bnx2x_link.c 238 KB

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  1. /* Copyright 2008-2011 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. /********************************************************/
  26. #define ETH_HLEN 14
  27. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  28. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  29. #define ETH_MIN_PACKET_SIZE 60
  30. #define ETH_MAX_PACKET_SIZE 1500
  31. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  32. #define MDIO_ACCESS_TIMEOUT 1000
  33. #define BMAC_CONTROL_RX_ENABLE 2
  34. /***********************************************************/
  35. /* Shortcut definitions */
  36. /***********************************************************/
  37. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  38. #define NIG_STATUS_EMAC0_MI_INT \
  39. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  40. #define NIG_STATUS_XGXS0_LINK10G \
  41. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  42. #define NIG_STATUS_XGXS0_LINK_STATUS \
  43. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  44. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  45. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  46. #define NIG_STATUS_SERDES0_LINK_STATUS \
  47. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  48. #define NIG_MASK_MI_INT \
  49. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  50. #define NIG_MASK_XGXS0_LINK10G \
  51. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  52. #define NIG_MASK_XGXS0_LINK_STATUS \
  53. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  54. #define NIG_MASK_SERDES0_LINK_STATUS \
  55. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  56. #define MDIO_AN_CL73_OR_37_COMPLETE \
  57. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  58. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  59. #define XGXS_RESET_BITS \
  60. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  61. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  62. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  63. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  64. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  65. #define SERDES_RESET_BITS \
  66. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  67. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  68. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  69. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  70. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  71. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  72. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  73. #define AUTONEG_PARALLEL \
  74. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  75. #define AUTONEG_SGMII_FIBER_AUTODET \
  76. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  77. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  78. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  79. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  80. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  81. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  82. #define GP_STATUS_SPEED_MASK \
  83. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  84. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  85. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  86. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  87. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  88. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  89. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  90. #define GP_STATUS_10G_HIG \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  92. #define GP_STATUS_10G_CX4 \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  94. #define GP_STATUS_12G_HIG \
  95. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
  96. #define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
  97. #define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
  98. #define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
  99. #define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
  100. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  101. #define GP_STATUS_10G_KX4 \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  103. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  104. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  105. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  106. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  107. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  108. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  109. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  110. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  111. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  112. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  113. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  114. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  115. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  116. #define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
  117. #define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
  118. #define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
  119. #define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
  120. #define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
  121. #define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
  122. #define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
  123. #define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
  124. #define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
  125. #define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
  126. #define PHY_XGXS_FLAG 0x1
  127. #define PHY_SGMII_FLAG 0x2
  128. #define PHY_SERDES_FLAG 0x4
  129. /* */
  130. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  131. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  132. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  133. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  134. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  135. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  136. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  137. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  138. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  139. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  140. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  141. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  142. #define SFP_EEPROM_OPTIONS_SIZE 2
  143. #define EDC_MODE_LINEAR 0x0022
  144. #define EDC_MODE_LIMITING 0x0044
  145. #define EDC_MODE_PASSIVE_DAC 0x0055
  146. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  147. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  148. /**********************************************************/
  149. /* INTERFACE */
  150. /**********************************************************/
  151. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  152. bnx2x_cl45_write(_bp, _phy, \
  153. (_phy)->def_md_devad, \
  154. (_bank + (_addr & 0xf)), \
  155. _val)
  156. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  157. bnx2x_cl45_read(_bp, _phy, \
  158. (_phy)->def_md_devad, \
  159. (_bank + (_addr & 0xf)), \
  160. _val)
  161. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  162. {
  163. u32 val = REG_RD(bp, reg);
  164. val |= bits;
  165. REG_WR(bp, reg, val);
  166. return val;
  167. }
  168. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  169. {
  170. u32 val = REG_RD(bp, reg);
  171. val &= ~bits;
  172. REG_WR(bp, reg, val);
  173. return val;
  174. }
  175. /******************************************************************/
  176. /* ETS section */
  177. /******************************************************************/
  178. void bnx2x_ets_disabled(struct link_params *params)
  179. {
  180. /* ETS disabled configuration*/
  181. struct bnx2x *bp = params->bp;
  182. DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
  183. /*
  184. * mapping between entry priority to client number (0,1,2 -debug and
  185. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  186. * 3bits client num.
  187. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  188. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  189. */
  190. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  191. /*
  192. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  193. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  194. * COS0 entry, 4 - COS1 entry.
  195. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  196. * bit4 bit3 bit2 bit1 bit0
  197. * MCP and debug are strict
  198. */
  199. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  200. /* defines which entries (clients) are subjected to WFQ arbitration */
  201. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  202. /*
  203. * For strict priority entries defines the number of consecutive
  204. * slots for the highest priority.
  205. */
  206. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  207. /*
  208. * mapping between the CREDIT_WEIGHT registers and actual client
  209. * numbers
  210. */
  211. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  212. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  213. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  214. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  215. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  216. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  217. /* ETS mode disable */
  218. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  219. /*
  220. * If ETS mode is enabled (there is no strict priority) defines a WFQ
  221. * weight for COS0/COS1.
  222. */
  223. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  224. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  225. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  226. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  227. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  228. /* Defines the number of consecutive slots for the strict priority */
  229. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  230. }
  231. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  232. {
  233. /* ETS disabled configuration */
  234. struct bnx2x *bp = params->bp;
  235. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  236. /*
  237. * defines which entries (clients) are subjected to WFQ arbitration
  238. * COS0 0x8
  239. * COS1 0x10
  240. */
  241. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  242. /*
  243. * mapping between the ARB_CREDIT_WEIGHT registers and actual
  244. * client numbers (WEIGHT_0 does not actually have to represent
  245. * client 0)
  246. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  247. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  248. */
  249. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  250. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  251. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  252. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  253. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  254. /* ETS mode enabled*/
  255. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  256. /* Defines the number of consecutive slots for the strict priority */
  257. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  258. /*
  259. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  260. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  261. * entry, 4 - COS1 entry.
  262. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  263. * bit4 bit3 bit2 bit1 bit0
  264. * MCP and debug are strict
  265. */
  266. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  267. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  268. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  269. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  270. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  271. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  272. }
  273. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  274. const u32 cos1_bw)
  275. {
  276. /* ETS disabled configuration*/
  277. struct bnx2x *bp = params->bp;
  278. const u32 total_bw = cos0_bw + cos1_bw;
  279. u32 cos0_credit_weight = 0;
  280. u32 cos1_credit_weight = 0;
  281. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  282. if ((0 == total_bw) ||
  283. (0 == cos0_bw) ||
  284. (0 == cos1_bw)) {
  285. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  286. return;
  287. }
  288. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  289. total_bw;
  290. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  291. total_bw;
  292. bnx2x_ets_bw_limit_common(params);
  293. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  294. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  295. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  296. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  297. }
  298. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  299. {
  300. /* ETS disabled configuration*/
  301. struct bnx2x *bp = params->bp;
  302. u32 val = 0;
  303. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  304. /*
  305. * Bitmap of 5bits length. Each bit specifies whether the entry behaves
  306. * as strict. Bits 0,1,2 - debug and management entries,
  307. * 3 - COS0 entry, 4 - COS1 entry.
  308. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  309. * bit4 bit3 bit2 bit1 bit0
  310. * MCP and debug are strict
  311. */
  312. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  313. /*
  314. * For strict priority entries defines the number of consecutive slots
  315. * for the highest priority.
  316. */
  317. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  318. /* ETS mode disable */
  319. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  320. /* Defines the number of consecutive slots for the strict priority */
  321. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  322. /* Defines the number of consecutive slots for the strict priority */
  323. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  324. /*
  325. * mapping between entry priority to client number (0,1,2 -debug and
  326. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  327. * 3bits client num.
  328. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  329. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  330. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  331. */
  332. val = (0 == strict_cos) ? 0x2318 : 0x22E0;
  333. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  334. return 0;
  335. }
  336. /******************************************************************/
  337. /* PFC section */
  338. /******************************************************************/
  339. static void bnx2x_bmac2_get_pfc_stat(struct link_params *params,
  340. u32 pfc_frames_sent[2],
  341. u32 pfc_frames_received[2])
  342. {
  343. /* Read pfc statistic */
  344. struct bnx2x *bp = params->bp;
  345. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  346. NIG_REG_INGRESS_BMAC0_MEM;
  347. DP(NETIF_MSG_LINK, "pfc statistic read from BMAC\n");
  348. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_STAT_GTPP,
  349. pfc_frames_sent, 2);
  350. REG_RD_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_STAT_GRPP,
  351. pfc_frames_received, 2);
  352. }
  353. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  354. u32 pfc_frames_sent[2],
  355. u32 pfc_frames_received[2])
  356. {
  357. /* Read pfc statistic */
  358. struct bnx2x *bp = params->bp;
  359. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  360. u32 val_xon = 0;
  361. u32 val_xoff = 0;
  362. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  363. /* PFC received frames */
  364. val_xoff = REG_RD(bp, emac_base +
  365. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  366. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  367. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  368. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  369. pfc_frames_received[0] = val_xon + val_xoff;
  370. /* PFC received sent */
  371. val_xoff = REG_RD(bp, emac_base +
  372. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  373. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  374. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  375. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  376. pfc_frames_sent[0] = val_xon + val_xoff;
  377. }
  378. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  379. u32 pfc_frames_sent[2],
  380. u32 pfc_frames_received[2])
  381. {
  382. /* Read pfc statistic */
  383. struct bnx2x *bp = params->bp;
  384. u32 val = 0;
  385. DP(NETIF_MSG_LINK, "pfc statistic\n");
  386. if (!vars->link_up)
  387. return;
  388. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  389. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  390. == 0) {
  391. DP(NETIF_MSG_LINK, "About to read stats from EMAC\n");
  392. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  393. pfc_frames_received);
  394. } else {
  395. DP(NETIF_MSG_LINK, "About to read stats from BMAC\n");
  396. bnx2x_bmac2_get_pfc_stat(params, pfc_frames_sent,
  397. pfc_frames_received);
  398. }
  399. }
  400. /******************************************************************/
  401. /* MAC/PBF section */
  402. /******************************************************************/
  403. static void bnx2x_emac_init(struct link_params *params,
  404. struct link_vars *vars)
  405. {
  406. /* reset and unreset the emac core */
  407. struct bnx2x *bp = params->bp;
  408. u8 port = params->port;
  409. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  410. u32 val;
  411. u16 timeout;
  412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  413. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  414. udelay(5);
  415. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  416. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  417. /* init emac - use read-modify-write */
  418. /* self clear reset */
  419. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  420. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  421. timeout = 200;
  422. do {
  423. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  424. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  425. if (!timeout) {
  426. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  427. return;
  428. }
  429. timeout--;
  430. } while (val & EMAC_MODE_RESET);
  431. /* Set mac address */
  432. val = ((params->mac_addr[0] << 8) |
  433. params->mac_addr[1]);
  434. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  435. val = ((params->mac_addr[2] << 24) |
  436. (params->mac_addr[3] << 16) |
  437. (params->mac_addr[4] << 8) |
  438. params->mac_addr[5]);
  439. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  440. }
  441. static int bnx2x_emac_enable(struct link_params *params,
  442. struct link_vars *vars, u8 lb)
  443. {
  444. struct bnx2x *bp = params->bp;
  445. u8 port = params->port;
  446. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  447. u32 val;
  448. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  449. /* enable emac and not bmac */
  450. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  451. /* ASIC */
  452. if (vars->phy_flags & PHY_XGXS_FLAG) {
  453. u32 ser_lane = ((params->lane_config &
  454. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  455. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  456. DP(NETIF_MSG_LINK, "XGXS\n");
  457. /* select the master lanes (out of 0-3) */
  458. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  459. /* select XGXS */
  460. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  461. } else { /* SerDes */
  462. DP(NETIF_MSG_LINK, "SerDes\n");
  463. /* select SerDes */
  464. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  465. }
  466. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  467. EMAC_RX_MODE_RESET);
  468. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  469. EMAC_TX_MODE_RESET);
  470. if (CHIP_REV_IS_SLOW(bp)) {
  471. /* config GMII mode */
  472. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  473. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  474. } else { /* ASIC */
  475. /* pause enable/disable */
  476. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  477. EMAC_RX_MODE_FLOW_EN);
  478. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  479. (EMAC_TX_MODE_EXT_PAUSE_EN |
  480. EMAC_TX_MODE_FLOW_EN));
  481. if (!(params->feature_config_flags &
  482. FEATURE_CONFIG_PFC_ENABLED)) {
  483. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  484. bnx2x_bits_en(bp, emac_base +
  485. EMAC_REG_EMAC_RX_MODE,
  486. EMAC_RX_MODE_FLOW_EN);
  487. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  488. bnx2x_bits_en(bp, emac_base +
  489. EMAC_REG_EMAC_TX_MODE,
  490. (EMAC_TX_MODE_EXT_PAUSE_EN |
  491. EMAC_TX_MODE_FLOW_EN));
  492. } else
  493. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  494. EMAC_TX_MODE_FLOW_EN);
  495. }
  496. /* KEEP_VLAN_TAG, promiscuous */
  497. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  498. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  499. /*
  500. * Setting this bit causes MAC control frames (except for pause
  501. * frames) to be passed on for processing. This setting has no
  502. * affect on the operation of the pause frames. This bit effects
  503. * all packets regardless of RX Parser packet sorting logic.
  504. * Turn the PFC off to make sure we are in Xon state before
  505. * enabling it.
  506. */
  507. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  508. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  509. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  510. /* Enable PFC again */
  511. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  512. EMAC_REG_RX_PFC_MODE_RX_EN |
  513. EMAC_REG_RX_PFC_MODE_TX_EN |
  514. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  515. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  516. ((0x0101 <<
  517. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  518. (0x00ff <<
  519. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  520. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  521. }
  522. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  523. /* Set Loopback */
  524. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  525. if (lb)
  526. val |= 0x810;
  527. else
  528. val &= ~0x810;
  529. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  530. /* enable emac */
  531. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  532. /* enable emac for jumbo packets */
  533. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  534. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  535. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  536. /* strip CRC */
  537. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  538. /* disable the NIG in/out to the bmac */
  539. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  540. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  541. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  542. /* enable the NIG in/out to the emac */
  543. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  544. val = 0;
  545. if ((params->feature_config_flags &
  546. FEATURE_CONFIG_PFC_ENABLED) ||
  547. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  548. val = 1;
  549. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  550. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  551. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  552. vars->mac_type = MAC_TYPE_EMAC;
  553. return 0;
  554. }
  555. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  556. struct link_vars *vars)
  557. {
  558. u32 wb_data[2];
  559. struct bnx2x *bp = params->bp;
  560. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  561. NIG_REG_INGRESS_BMAC0_MEM;
  562. u32 val = 0x14;
  563. if ((!(params->feature_config_flags &
  564. FEATURE_CONFIG_PFC_ENABLED)) &&
  565. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  566. /* Enable BigMAC to react on received Pause packets */
  567. val |= (1<<5);
  568. wb_data[0] = val;
  569. wb_data[1] = 0;
  570. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  571. /* tx control */
  572. val = 0xc0;
  573. if (!(params->feature_config_flags &
  574. FEATURE_CONFIG_PFC_ENABLED) &&
  575. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  576. val |= 0x800000;
  577. wb_data[0] = val;
  578. wb_data[1] = 0;
  579. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  580. }
  581. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  582. struct link_vars *vars,
  583. u8 is_lb)
  584. {
  585. /*
  586. * Set rx control: Strip CRC and enable BigMAC to relay
  587. * control packets to the system as well
  588. */
  589. u32 wb_data[2];
  590. struct bnx2x *bp = params->bp;
  591. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  592. NIG_REG_INGRESS_BMAC0_MEM;
  593. u32 val = 0x14;
  594. if ((!(params->feature_config_flags &
  595. FEATURE_CONFIG_PFC_ENABLED)) &&
  596. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  597. /* Enable BigMAC to react on received Pause packets */
  598. val |= (1<<5);
  599. wb_data[0] = val;
  600. wb_data[1] = 0;
  601. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  602. udelay(30);
  603. /* Tx control */
  604. val = 0xc0;
  605. if (!(params->feature_config_flags &
  606. FEATURE_CONFIG_PFC_ENABLED) &&
  607. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  608. val |= 0x800000;
  609. wb_data[0] = val;
  610. wb_data[1] = 0;
  611. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  612. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  613. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  614. /* Enable PFC RX & TX & STATS and set 8 COS */
  615. wb_data[0] = 0x0;
  616. wb_data[0] |= (1<<0); /* RX */
  617. wb_data[0] |= (1<<1); /* TX */
  618. wb_data[0] |= (1<<2); /* Force initial Xon */
  619. wb_data[0] |= (1<<3); /* 8 cos */
  620. wb_data[0] |= (1<<5); /* STATS */
  621. wb_data[1] = 0;
  622. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  623. wb_data, 2);
  624. /* Clear the force Xon */
  625. wb_data[0] &= ~(1<<2);
  626. } else {
  627. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  628. /* disable PFC RX & TX & STATS and set 8 COS */
  629. wb_data[0] = 0x8;
  630. wb_data[1] = 0;
  631. }
  632. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  633. /*
  634. * Set Time (based unit is 512 bit time) between automatic
  635. * re-sending of PP packets amd enable automatic re-send of
  636. * Per-Priroity Packet as long as pp_gen is asserted and
  637. * pp_disable is low.
  638. */
  639. val = 0x8000;
  640. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  641. val |= (1<<16); /* enable automatic re-send */
  642. wb_data[0] = val;
  643. wb_data[1] = 0;
  644. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  645. wb_data, 2);
  646. /* mac control */
  647. val = 0x3; /* Enable RX and TX */
  648. if (is_lb) {
  649. val |= 0x4; /* Local loopback */
  650. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  651. }
  652. /* When PFC enabled, Pass pause frames towards the NIG. */
  653. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  654. val |= ((1<<6)|(1<<5));
  655. wb_data[0] = val;
  656. wb_data[1] = 0;
  657. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  658. }
  659. static void bnx2x_update_pfc_brb(struct link_params *params,
  660. struct link_vars *vars,
  661. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  662. {
  663. struct bnx2x *bp = params->bp;
  664. int set_pfc = params->feature_config_flags &
  665. FEATURE_CONFIG_PFC_ENABLED;
  666. /* default - pause configuration */
  667. u32 pause_xoff_th = PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  668. u32 pause_xon_th = PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  669. u32 full_xoff_th = PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  670. u32 full_xon_th = PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  671. if (set_pfc && pfc_params)
  672. /* First COS */
  673. if (!pfc_params->cos0_pauseable) {
  674. pause_xoff_th =
  675. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  676. pause_xon_th =
  677. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  678. full_xoff_th =
  679. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  680. full_xon_th =
  681. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  682. }
  683. /*
  684. * The number of free blocks below which the pause signal to class 0
  685. * of MAC #n is asserted. n=0,1
  686. */
  687. REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 , pause_xoff_th);
  688. /*
  689. * The number of free blocks above which the pause signal to class 0
  690. * of MAC #n is de-asserted. n=0,1
  691. */
  692. REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , pause_xon_th);
  693. /*
  694. * The number of free blocks below which the full signal to class 0
  695. * of MAC #n is asserted. n=0,1
  696. */
  697. REG_WR(bp, BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , full_xoff_th);
  698. /*
  699. * The number of free blocks above which the full signal to class 0
  700. * of MAC #n is de-asserted. n=0,1
  701. */
  702. REG_WR(bp, BRB1_REG_FULL_0_XON_THRESHOLD_0 , full_xon_th);
  703. if (set_pfc && pfc_params) {
  704. /* Second COS */
  705. if (pfc_params->cos1_pauseable) {
  706. pause_xoff_th =
  707. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_PAUSEABLE;
  708. pause_xon_th =
  709. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_PAUSEABLE;
  710. full_xoff_th =
  711. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_PAUSEABLE;
  712. full_xon_th =
  713. PFC_BRB_MAC_FULL_XON_THRESHOLD_PAUSEABLE;
  714. } else {
  715. pause_xoff_th =
  716. PFC_BRB_MAC_PAUSE_XOFF_THRESHOLD_NON_PAUSEABLE;
  717. pause_xon_th =
  718. PFC_BRB_MAC_PAUSE_XON_THRESHOLD_NON_PAUSEABLE;
  719. full_xoff_th =
  720. PFC_BRB_MAC_FULL_XOFF_THRESHOLD_NON_PAUSEABLE;
  721. full_xon_th =
  722. PFC_BRB_MAC_FULL_XON_THRESHOLD_NON_PAUSEABLE;
  723. }
  724. /*
  725. * The number of free blocks below which the pause signal to
  726. * class 1 of MAC #n is asserted. n=0,1
  727. */
  728. REG_WR(bp, BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0, pause_xoff_th);
  729. /*
  730. * The number of free blocks above which the pause signal to
  731. * class 1 of MAC #n is de-asserted. n=0,1
  732. */
  733. REG_WR(bp, BRB1_REG_PAUSE_1_XON_THRESHOLD_0, pause_xon_th);
  734. /*
  735. * The number of free blocks below which the full signal to
  736. * class 1 of MAC #n is asserted. n=0,1
  737. */
  738. REG_WR(bp, BRB1_REG_FULL_1_XOFF_THRESHOLD_0, full_xoff_th);
  739. /*
  740. * The number of free blocks above which the full signal to
  741. * class 1 of MAC #n is de-asserted. n=0,1
  742. */
  743. REG_WR(bp, BRB1_REG_FULL_1_XON_THRESHOLD_0, full_xon_th);
  744. }
  745. }
  746. static void bnx2x_update_pfc_nig(struct link_params *params,
  747. struct link_vars *vars,
  748. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  749. {
  750. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  751. u32 llfc_enable = 0, xcm0_out_en = 0, p0_hwpfc_enable = 0;
  752. u32 pkt_priority_to_cos = 0;
  753. u32 val;
  754. struct bnx2x *bp = params->bp;
  755. int port = params->port;
  756. int set_pfc = params->feature_config_flags &
  757. FEATURE_CONFIG_PFC_ENABLED;
  758. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  759. /*
  760. * When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  761. * MAC control frames (that are not pause packets)
  762. * will be forwarded to the XCM.
  763. */
  764. xcm_mask = REG_RD(bp,
  765. port ? NIG_REG_LLH1_XCM_MASK :
  766. NIG_REG_LLH0_XCM_MASK);
  767. /*
  768. * nig params will override non PFC params, since it's possible to
  769. * do transition from PFC to SAFC
  770. */
  771. if (set_pfc) {
  772. pause_enable = 0;
  773. llfc_out_en = 0;
  774. llfc_enable = 0;
  775. ppp_enable = 1;
  776. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  777. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  778. xcm0_out_en = 0;
  779. p0_hwpfc_enable = 1;
  780. } else {
  781. if (nig_params) {
  782. llfc_out_en = nig_params->llfc_out_en;
  783. llfc_enable = nig_params->llfc_enable;
  784. pause_enable = nig_params->pause_enable;
  785. } else /*defaul non PFC mode - PAUSE */
  786. pause_enable = 1;
  787. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  788. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  789. xcm0_out_en = 1;
  790. }
  791. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  792. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  793. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  794. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  795. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  796. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  797. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  798. NIG_REG_PPP_ENABLE_0, ppp_enable);
  799. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  800. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  801. REG_WR(bp, NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  802. /* output enable for RX_XCM # IF */
  803. REG_WR(bp, NIG_REG_XCM0_OUT_EN, xcm0_out_en);
  804. /* HW PFC TX enable */
  805. REG_WR(bp, NIG_REG_P0_HWPFC_ENABLE, p0_hwpfc_enable);
  806. /* 0x2 = BMAC, 0x1= EMAC */
  807. switch (vars->mac_type) {
  808. case MAC_TYPE_EMAC:
  809. val = 1;
  810. break;
  811. case MAC_TYPE_BMAC:
  812. val = 0;
  813. break;
  814. default:
  815. val = 0;
  816. break;
  817. }
  818. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT, val);
  819. if (nig_params) {
  820. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  821. REG_WR(bp, port ? NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  822. NIG_REG_P0_RX_COS0_PRIORITY_MASK,
  823. nig_params->rx_cos0_priority_mask);
  824. REG_WR(bp, port ? NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  825. NIG_REG_P0_RX_COS1_PRIORITY_MASK,
  826. nig_params->rx_cos1_priority_mask);
  827. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  828. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  829. nig_params->llfc_high_priority_classes);
  830. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  831. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  832. nig_params->llfc_low_priority_classes);
  833. }
  834. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  835. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  836. pkt_priority_to_cos);
  837. }
  838. void bnx2x_update_pfc(struct link_params *params,
  839. struct link_vars *vars,
  840. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  841. {
  842. /*
  843. * The PFC and pause are orthogonal to one another, meaning when
  844. * PFC is enabled, the pause are disabled, and when PFC is
  845. * disabled, pause are set according to the pause result.
  846. */
  847. u32 val;
  848. struct bnx2x *bp = params->bp;
  849. /* update NIG params */
  850. bnx2x_update_pfc_nig(params, vars, pfc_params);
  851. /* update BRB params */
  852. bnx2x_update_pfc_brb(params, vars, pfc_params);
  853. if (!vars->link_up)
  854. return;
  855. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  856. if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  857. == 0) {
  858. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  859. bnx2x_emac_enable(params, vars, 0);
  860. return;
  861. }
  862. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  863. if (CHIP_IS_E2(bp))
  864. bnx2x_update_pfc_bmac2(params, vars, 0);
  865. else
  866. bnx2x_update_pfc_bmac1(params, vars);
  867. val = 0;
  868. if ((params->feature_config_flags &
  869. FEATURE_CONFIG_PFC_ENABLED) ||
  870. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  871. val = 1;
  872. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  873. }
  874. static int bnx2x_bmac1_enable(struct link_params *params,
  875. struct link_vars *vars,
  876. u8 is_lb)
  877. {
  878. struct bnx2x *bp = params->bp;
  879. u8 port = params->port;
  880. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  881. NIG_REG_INGRESS_BMAC0_MEM;
  882. u32 wb_data[2];
  883. u32 val;
  884. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  885. /* XGXS control */
  886. wb_data[0] = 0x3c;
  887. wb_data[1] = 0;
  888. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  889. wb_data, 2);
  890. /* tx MAC SA */
  891. wb_data[0] = ((params->mac_addr[2] << 24) |
  892. (params->mac_addr[3] << 16) |
  893. (params->mac_addr[4] << 8) |
  894. params->mac_addr[5]);
  895. wb_data[1] = ((params->mac_addr[0] << 8) |
  896. params->mac_addr[1]);
  897. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  898. /* mac control */
  899. val = 0x3;
  900. if (is_lb) {
  901. val |= 0x4;
  902. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  903. }
  904. wb_data[0] = val;
  905. wb_data[1] = 0;
  906. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  907. /* set rx mtu */
  908. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  909. wb_data[1] = 0;
  910. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  911. bnx2x_update_pfc_bmac1(params, vars);
  912. /* set tx mtu */
  913. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  914. wb_data[1] = 0;
  915. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  916. /* set cnt max size */
  917. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  918. wb_data[1] = 0;
  919. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  920. /* configure safc */
  921. wb_data[0] = 0x1000200;
  922. wb_data[1] = 0;
  923. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  924. wb_data, 2);
  925. return 0;
  926. }
  927. static int bnx2x_bmac2_enable(struct link_params *params,
  928. struct link_vars *vars,
  929. u8 is_lb)
  930. {
  931. struct bnx2x *bp = params->bp;
  932. u8 port = params->port;
  933. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  934. NIG_REG_INGRESS_BMAC0_MEM;
  935. u32 wb_data[2];
  936. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  937. wb_data[0] = 0;
  938. wb_data[1] = 0;
  939. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  940. udelay(30);
  941. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  942. wb_data[0] = 0x3c;
  943. wb_data[1] = 0;
  944. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  945. wb_data, 2);
  946. udelay(30);
  947. /* tx MAC SA */
  948. wb_data[0] = ((params->mac_addr[2] << 24) |
  949. (params->mac_addr[3] << 16) |
  950. (params->mac_addr[4] << 8) |
  951. params->mac_addr[5]);
  952. wb_data[1] = ((params->mac_addr[0] << 8) |
  953. params->mac_addr[1]);
  954. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  955. wb_data, 2);
  956. udelay(30);
  957. /* Configure SAFC */
  958. wb_data[0] = 0x1000200;
  959. wb_data[1] = 0;
  960. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  961. wb_data, 2);
  962. udelay(30);
  963. /* set rx mtu */
  964. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  965. wb_data[1] = 0;
  966. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  967. udelay(30);
  968. /* set tx mtu */
  969. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  970. wb_data[1] = 0;
  971. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  972. udelay(30);
  973. /* set cnt max size */
  974. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  975. wb_data[1] = 0;
  976. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  977. udelay(30);
  978. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  979. return 0;
  980. }
  981. static int bnx2x_bmac_enable(struct link_params *params,
  982. struct link_vars *vars,
  983. u8 is_lb)
  984. {
  985. int rc = 0;
  986. u8 port = params->port;
  987. struct bnx2x *bp = params->bp;
  988. u32 val;
  989. /* reset and unreset the BigMac */
  990. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  991. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  992. msleep(1);
  993. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  994. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  995. /* enable access for bmac registers */
  996. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  997. /* Enable BMAC according to BMAC type*/
  998. if (CHIP_IS_E2(bp))
  999. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  1000. else
  1001. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  1002. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  1003. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  1004. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  1005. val = 0;
  1006. if ((params->feature_config_flags &
  1007. FEATURE_CONFIG_PFC_ENABLED) ||
  1008. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1009. val = 1;
  1010. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  1011. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  1012. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  1013. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1014. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  1015. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  1016. vars->mac_type = MAC_TYPE_BMAC;
  1017. return rc;
  1018. }
  1019. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1020. {
  1021. struct bnx2x *bp = params->bp;
  1022. REG_WR(bp, params->shmem_base +
  1023. offsetof(struct shmem_region,
  1024. port_mb[params->port].link_status), link_status);
  1025. }
  1026. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  1027. {
  1028. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1029. NIG_REG_INGRESS_BMAC0_MEM;
  1030. u32 wb_data[2];
  1031. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  1032. /* Only if the bmac is out of reset */
  1033. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1034. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  1035. nig_bmac_enable) {
  1036. if (CHIP_IS_E2(bp)) {
  1037. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1038. REG_RD_DMAE(bp, bmac_addr +
  1039. BIGMAC2_REGISTER_BMAC_CONTROL,
  1040. wb_data, 2);
  1041. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1042. REG_WR_DMAE(bp, bmac_addr +
  1043. BIGMAC2_REGISTER_BMAC_CONTROL,
  1044. wb_data, 2);
  1045. } else {
  1046. /* Clear Rx Enable bit in BMAC_CONTROL register */
  1047. REG_RD_DMAE(bp, bmac_addr +
  1048. BIGMAC_REGISTER_BMAC_CONTROL,
  1049. wb_data, 2);
  1050. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  1051. REG_WR_DMAE(bp, bmac_addr +
  1052. BIGMAC_REGISTER_BMAC_CONTROL,
  1053. wb_data, 2);
  1054. }
  1055. msleep(1);
  1056. }
  1057. }
  1058. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  1059. u32 line_speed)
  1060. {
  1061. struct bnx2x *bp = params->bp;
  1062. u8 port = params->port;
  1063. u32 init_crd, crd;
  1064. u32 count = 1000;
  1065. /* disable port */
  1066. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  1067. /* wait for init credit */
  1068. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  1069. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1070. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  1071. while ((init_crd != crd) && count) {
  1072. msleep(5);
  1073. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1074. count--;
  1075. }
  1076. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  1077. if (init_crd != crd) {
  1078. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  1079. init_crd, crd);
  1080. return -EINVAL;
  1081. }
  1082. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  1083. line_speed == SPEED_10 ||
  1084. line_speed == SPEED_100 ||
  1085. line_speed == SPEED_1000 ||
  1086. line_speed == SPEED_2500) {
  1087. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  1088. /* update threshold */
  1089. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  1090. /* update init credit */
  1091. init_crd = 778; /* (800-18-4) */
  1092. } else {
  1093. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  1094. ETH_OVREHEAD)/16;
  1095. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  1096. /* update threshold */
  1097. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  1098. /* update init credit */
  1099. switch (line_speed) {
  1100. case SPEED_10000:
  1101. init_crd = thresh + 553 - 22;
  1102. break;
  1103. case SPEED_12000:
  1104. init_crd = thresh + 664 - 22;
  1105. break;
  1106. case SPEED_13000:
  1107. init_crd = thresh + 742 - 22;
  1108. break;
  1109. case SPEED_16000:
  1110. init_crd = thresh + 778 - 22;
  1111. break;
  1112. default:
  1113. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1114. line_speed);
  1115. return -EINVAL;
  1116. }
  1117. }
  1118. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  1119. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  1120. line_speed, init_crd);
  1121. /* probe the credit changes */
  1122. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  1123. msleep(5);
  1124. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  1125. /* enable port */
  1126. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  1127. return 0;
  1128. }
  1129. /**
  1130. * bnx2x_get_emac_base - retrive emac base address
  1131. *
  1132. * @bp: driver handle
  1133. * @mdc_mdio_access: access type
  1134. * @port: port id
  1135. *
  1136. * This function selects the MDC/MDIO access (through emac0 or
  1137. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  1138. * phy has a default access mode, which could also be overridden
  1139. * by nvram configuration. This parameter, whether this is the
  1140. * default phy configuration, or the nvram overrun
  1141. * configuration, is passed here as mdc_mdio_access and selects
  1142. * the emac_base for the CL45 read/writes operations
  1143. */
  1144. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  1145. u32 mdc_mdio_access, u8 port)
  1146. {
  1147. u32 emac_base = 0;
  1148. switch (mdc_mdio_access) {
  1149. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  1150. break;
  1151. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  1152. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1153. emac_base = GRCBASE_EMAC1;
  1154. else
  1155. emac_base = GRCBASE_EMAC0;
  1156. break;
  1157. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  1158. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  1159. emac_base = GRCBASE_EMAC0;
  1160. else
  1161. emac_base = GRCBASE_EMAC1;
  1162. break;
  1163. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  1164. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1165. break;
  1166. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  1167. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  1168. break;
  1169. default:
  1170. break;
  1171. }
  1172. return emac_base;
  1173. }
  1174. /******************************************************************/
  1175. /* CL45 access functions */
  1176. /******************************************************************/
  1177. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  1178. u8 devad, u16 reg, u16 val)
  1179. {
  1180. u32 tmp, saved_mode;
  1181. u8 i;
  1182. int rc = 0;
  1183. /*
  1184. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1185. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1186. */
  1187. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1188. tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
  1189. EMAC_MDIO_MODE_CLOCK_CNT);
  1190. tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1191. (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1192. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
  1193. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1194. udelay(40);
  1195. /* address */
  1196. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  1197. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1198. EMAC_MDIO_COMM_START_BUSY);
  1199. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1200. for (i = 0; i < 50; i++) {
  1201. udelay(10);
  1202. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1203. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1204. udelay(5);
  1205. break;
  1206. }
  1207. }
  1208. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1209. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1210. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1211. rc = -EFAULT;
  1212. } else {
  1213. /* data */
  1214. tmp = ((phy->addr << 21) | (devad << 16) | val |
  1215. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  1216. EMAC_MDIO_COMM_START_BUSY);
  1217. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  1218. for (i = 0; i < 50; i++) {
  1219. udelay(10);
  1220. tmp = REG_RD(bp, phy->mdio_ctrl +
  1221. EMAC_REG_EMAC_MDIO_COMM);
  1222. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  1223. udelay(5);
  1224. break;
  1225. }
  1226. }
  1227. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  1228. DP(NETIF_MSG_LINK, "write phy register failed\n");
  1229. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1230. rc = -EFAULT;
  1231. }
  1232. }
  1233. /* Restore the saved mode */
  1234. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1235. return rc;
  1236. }
  1237. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  1238. u8 devad, u16 reg, u16 *ret_val)
  1239. {
  1240. u32 val, saved_mode;
  1241. u16 i;
  1242. int rc = 0;
  1243. /*
  1244. * Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1245. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1246. */
  1247. saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1248. val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
  1249. EMAC_MDIO_MODE_CLOCK_CNT));
  1250. val |= (EMAC_MDIO_MODE_CLAUSE_45 |
  1251. (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
  1252. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
  1253. REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  1254. udelay(40);
  1255. /* address */
  1256. val = ((phy->addr << 21) | (devad << 16) | reg |
  1257. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  1258. EMAC_MDIO_COMM_START_BUSY);
  1259. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1260. for (i = 0; i < 50; i++) {
  1261. udelay(10);
  1262. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  1263. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1264. udelay(5);
  1265. break;
  1266. }
  1267. }
  1268. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1269. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1270. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1271. *ret_val = 0;
  1272. rc = -EFAULT;
  1273. } else {
  1274. /* data */
  1275. val = ((phy->addr << 21) | (devad << 16) |
  1276. EMAC_MDIO_COMM_COMMAND_READ_45 |
  1277. EMAC_MDIO_COMM_START_BUSY);
  1278. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  1279. for (i = 0; i < 50; i++) {
  1280. udelay(10);
  1281. val = REG_RD(bp, phy->mdio_ctrl +
  1282. EMAC_REG_EMAC_MDIO_COMM);
  1283. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  1284. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  1285. break;
  1286. }
  1287. }
  1288. if (val & EMAC_MDIO_COMM_START_BUSY) {
  1289. DP(NETIF_MSG_LINK, "read phy register failed\n");
  1290. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  1291. *ret_val = 0;
  1292. rc = -EFAULT;
  1293. }
  1294. }
  1295. /* Restore the saved mode */
  1296. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
  1297. return rc;
  1298. }
  1299. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  1300. u8 devad, u16 reg, u16 *ret_val)
  1301. {
  1302. u8 phy_index;
  1303. /*
  1304. * Probe for the phy according to the given phy_addr, and execute
  1305. * the read request on it
  1306. */
  1307. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1308. if (params->phy[phy_index].addr == phy_addr) {
  1309. return bnx2x_cl45_read(params->bp,
  1310. &params->phy[phy_index], devad,
  1311. reg, ret_val);
  1312. }
  1313. }
  1314. return -EINVAL;
  1315. }
  1316. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  1317. u8 devad, u16 reg, u16 val)
  1318. {
  1319. u8 phy_index;
  1320. /*
  1321. * Probe for the phy according to the given phy_addr, and execute
  1322. * the write request on it
  1323. */
  1324. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  1325. if (params->phy[phy_index].addr == phy_addr) {
  1326. return bnx2x_cl45_write(params->bp,
  1327. &params->phy[phy_index], devad,
  1328. reg, val);
  1329. }
  1330. }
  1331. return -EINVAL;
  1332. }
  1333. static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
  1334. struct bnx2x_phy *phy)
  1335. {
  1336. u32 ser_lane;
  1337. u16 offset, aer_val;
  1338. struct bnx2x *bp = params->bp;
  1339. ser_lane = ((params->lane_config &
  1340. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1341. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1342. offset = phy->addr + ser_lane;
  1343. if (CHIP_IS_E2(bp))
  1344. aer_val = 0x3800 + offset - 1;
  1345. else
  1346. aer_val = 0x3800 + offset;
  1347. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  1348. MDIO_AER_BLOCK_AER_REG, aer_val);
  1349. }
  1350. static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
  1351. struct bnx2x_phy *phy)
  1352. {
  1353. CL22_WR_OVER_CL45(bp, phy,
  1354. MDIO_REG_BANK_AER_BLOCK,
  1355. MDIO_AER_BLOCK_AER_REG, 0x3800);
  1356. }
  1357. /******************************************************************/
  1358. /* Internal phy section */
  1359. /******************************************************************/
  1360. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  1361. {
  1362. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1363. /* Set Clause 22 */
  1364. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  1365. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  1366. udelay(500);
  1367. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  1368. udelay(500);
  1369. /* Set Clause 45 */
  1370. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  1371. }
  1372. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  1373. {
  1374. u32 val;
  1375. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  1376. val = SERDES_RESET_BITS << (port*16);
  1377. /* reset and unreset the SerDes/XGXS */
  1378. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1379. udelay(500);
  1380. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1381. bnx2x_set_serdes_access(bp, port);
  1382. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  1383. DEFAULT_PHY_DEV_ADDR);
  1384. }
  1385. static void bnx2x_xgxs_deassert(struct link_params *params)
  1386. {
  1387. struct bnx2x *bp = params->bp;
  1388. u8 port;
  1389. u32 val;
  1390. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  1391. port = params->port;
  1392. val = XGXS_RESET_BITS << (port*16);
  1393. /* reset and unreset the SerDes/XGXS */
  1394. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  1395. udelay(500);
  1396. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  1397. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  1398. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  1399. params->phy[INT_PHY].def_md_devad);
  1400. }
  1401. void bnx2x_link_status_update(struct link_params *params,
  1402. struct link_vars *vars)
  1403. {
  1404. struct bnx2x *bp = params->bp;
  1405. u8 link_10g;
  1406. u8 port = params->port;
  1407. u32 sync_offset, media_types;
  1408. vars->link_status = REG_RD(bp, params->shmem_base +
  1409. offsetof(struct shmem_region,
  1410. port_mb[port].link_status));
  1411. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  1412. if (vars->link_up) {
  1413. DP(NETIF_MSG_LINK, "phy link up\n");
  1414. vars->phy_link_up = 1;
  1415. vars->duplex = DUPLEX_FULL;
  1416. switch (vars->link_status &
  1417. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  1418. case LINK_10THD:
  1419. vars->duplex = DUPLEX_HALF;
  1420. /* fall thru */
  1421. case LINK_10TFD:
  1422. vars->line_speed = SPEED_10;
  1423. break;
  1424. case LINK_100TXHD:
  1425. vars->duplex = DUPLEX_HALF;
  1426. /* fall thru */
  1427. case LINK_100T4:
  1428. case LINK_100TXFD:
  1429. vars->line_speed = SPEED_100;
  1430. break;
  1431. case LINK_1000THD:
  1432. vars->duplex = DUPLEX_HALF;
  1433. /* fall thru */
  1434. case LINK_1000TFD:
  1435. vars->line_speed = SPEED_1000;
  1436. break;
  1437. case LINK_2500THD:
  1438. vars->duplex = DUPLEX_HALF;
  1439. /* fall thru */
  1440. case LINK_2500TFD:
  1441. vars->line_speed = SPEED_2500;
  1442. break;
  1443. case LINK_10GTFD:
  1444. vars->line_speed = SPEED_10000;
  1445. break;
  1446. case LINK_12GTFD:
  1447. vars->line_speed = SPEED_12000;
  1448. break;
  1449. case LINK_12_5GTFD:
  1450. vars->line_speed = SPEED_12500;
  1451. break;
  1452. case LINK_13GTFD:
  1453. vars->line_speed = SPEED_13000;
  1454. break;
  1455. case LINK_15GTFD:
  1456. vars->line_speed = SPEED_15000;
  1457. break;
  1458. case LINK_16GTFD:
  1459. vars->line_speed = SPEED_16000;
  1460. break;
  1461. default:
  1462. break;
  1463. }
  1464. vars->flow_ctrl = 0;
  1465. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  1466. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  1467. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  1468. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  1469. if (!vars->flow_ctrl)
  1470. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1471. if (vars->line_speed &&
  1472. ((vars->line_speed == SPEED_10) ||
  1473. (vars->line_speed == SPEED_100))) {
  1474. vars->phy_flags |= PHY_SGMII_FLAG;
  1475. } else {
  1476. vars->phy_flags &= ~PHY_SGMII_FLAG;
  1477. }
  1478. /* anything 10 and over uses the bmac */
  1479. link_10g = ((vars->line_speed == SPEED_10000) ||
  1480. (vars->line_speed == SPEED_12000) ||
  1481. (vars->line_speed == SPEED_12500) ||
  1482. (vars->line_speed == SPEED_13000) ||
  1483. (vars->line_speed == SPEED_15000) ||
  1484. (vars->line_speed == SPEED_16000));
  1485. if (link_10g)
  1486. vars->mac_type = MAC_TYPE_BMAC;
  1487. else
  1488. vars->mac_type = MAC_TYPE_EMAC;
  1489. } else { /* link down */
  1490. DP(NETIF_MSG_LINK, "phy link down\n");
  1491. vars->phy_link_up = 0;
  1492. vars->line_speed = 0;
  1493. vars->duplex = DUPLEX_FULL;
  1494. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  1495. /* indicate no mac active */
  1496. vars->mac_type = MAC_TYPE_NONE;
  1497. }
  1498. /* Sync media type */
  1499. sync_offset = params->shmem_base +
  1500. offsetof(struct shmem_region,
  1501. dev_info.port_hw_config[port].media_type);
  1502. media_types = REG_RD(bp, sync_offset);
  1503. params->phy[INT_PHY].media_type =
  1504. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  1505. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  1506. params->phy[EXT_PHY1].media_type =
  1507. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  1508. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  1509. params->phy[EXT_PHY2].media_type =
  1510. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  1511. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  1512. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  1513. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
  1514. vars->link_status, vars->phy_link_up);
  1515. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  1516. vars->line_speed, vars->duplex, vars->flow_ctrl);
  1517. }
  1518. static void bnx2x_set_master_ln(struct link_params *params,
  1519. struct bnx2x_phy *phy)
  1520. {
  1521. struct bnx2x *bp = params->bp;
  1522. u16 new_master_ln, ser_lane;
  1523. ser_lane = ((params->lane_config &
  1524. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1525. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1526. /* set the master_ln for AN */
  1527. CL22_RD_OVER_CL45(bp, phy,
  1528. MDIO_REG_BANK_XGXS_BLOCK2,
  1529. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1530. &new_master_ln);
  1531. CL22_WR_OVER_CL45(bp, phy,
  1532. MDIO_REG_BANK_XGXS_BLOCK2 ,
  1533. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  1534. (new_master_ln | ser_lane));
  1535. }
  1536. static int bnx2x_reset_unicore(struct link_params *params,
  1537. struct bnx2x_phy *phy,
  1538. u8 set_serdes)
  1539. {
  1540. struct bnx2x *bp = params->bp;
  1541. u16 mii_control;
  1542. u16 i;
  1543. CL22_RD_OVER_CL45(bp, phy,
  1544. MDIO_REG_BANK_COMBO_IEEE0,
  1545. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  1546. /* reset the unicore */
  1547. CL22_WR_OVER_CL45(bp, phy,
  1548. MDIO_REG_BANK_COMBO_IEEE0,
  1549. MDIO_COMBO_IEEE0_MII_CONTROL,
  1550. (mii_control |
  1551. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  1552. if (set_serdes)
  1553. bnx2x_set_serdes_access(bp, params->port);
  1554. /* wait for the reset to self clear */
  1555. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  1556. udelay(5);
  1557. /* the reset erased the previous bank value */
  1558. CL22_RD_OVER_CL45(bp, phy,
  1559. MDIO_REG_BANK_COMBO_IEEE0,
  1560. MDIO_COMBO_IEEE0_MII_CONTROL,
  1561. &mii_control);
  1562. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  1563. udelay(5);
  1564. return 0;
  1565. }
  1566. }
  1567. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  1568. " Port %d\n",
  1569. params->port);
  1570. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  1571. return -EINVAL;
  1572. }
  1573. static void bnx2x_set_swap_lanes(struct link_params *params,
  1574. struct bnx2x_phy *phy)
  1575. {
  1576. struct bnx2x *bp = params->bp;
  1577. /*
  1578. * Each two bits represents a lane number:
  1579. * No swap is 0123 => 0x1b no need to enable the swap
  1580. */
  1581. u16 ser_lane, rx_lane_swap, tx_lane_swap;
  1582. ser_lane = ((params->lane_config &
  1583. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1584. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1585. rx_lane_swap = ((params->lane_config &
  1586. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  1587. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  1588. tx_lane_swap = ((params->lane_config &
  1589. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  1590. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  1591. if (rx_lane_swap != 0x1b) {
  1592. CL22_WR_OVER_CL45(bp, phy,
  1593. MDIO_REG_BANK_XGXS_BLOCK2,
  1594. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  1595. (rx_lane_swap |
  1596. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  1597. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  1598. } else {
  1599. CL22_WR_OVER_CL45(bp, phy,
  1600. MDIO_REG_BANK_XGXS_BLOCK2,
  1601. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  1602. }
  1603. if (tx_lane_swap != 0x1b) {
  1604. CL22_WR_OVER_CL45(bp, phy,
  1605. MDIO_REG_BANK_XGXS_BLOCK2,
  1606. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  1607. (tx_lane_swap |
  1608. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  1609. } else {
  1610. CL22_WR_OVER_CL45(bp, phy,
  1611. MDIO_REG_BANK_XGXS_BLOCK2,
  1612. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  1613. }
  1614. }
  1615. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  1616. struct link_params *params)
  1617. {
  1618. struct bnx2x *bp = params->bp;
  1619. u16 control2;
  1620. CL22_RD_OVER_CL45(bp, phy,
  1621. MDIO_REG_BANK_SERDES_DIGITAL,
  1622. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1623. &control2);
  1624. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1625. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1626. else
  1627. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  1628. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  1629. phy->speed_cap_mask, control2);
  1630. CL22_WR_OVER_CL45(bp, phy,
  1631. MDIO_REG_BANK_SERDES_DIGITAL,
  1632. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  1633. control2);
  1634. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  1635. (phy->speed_cap_mask &
  1636. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  1637. DP(NETIF_MSG_LINK, "XGXS\n");
  1638. CL22_WR_OVER_CL45(bp, phy,
  1639. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1640. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  1641. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  1642. CL22_RD_OVER_CL45(bp, phy,
  1643. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1644. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1645. &control2);
  1646. control2 |=
  1647. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  1648. CL22_WR_OVER_CL45(bp, phy,
  1649. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  1650. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  1651. control2);
  1652. /* Disable parallel detection of HiG */
  1653. CL22_WR_OVER_CL45(bp, phy,
  1654. MDIO_REG_BANK_XGXS_BLOCK2,
  1655. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  1656. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  1657. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  1658. }
  1659. }
  1660. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  1661. struct link_params *params,
  1662. struct link_vars *vars,
  1663. u8 enable_cl73)
  1664. {
  1665. struct bnx2x *bp = params->bp;
  1666. u16 reg_val;
  1667. /* CL37 Autoneg */
  1668. CL22_RD_OVER_CL45(bp, phy,
  1669. MDIO_REG_BANK_COMBO_IEEE0,
  1670. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1671. /* CL37 Autoneg Enabled */
  1672. if (vars->line_speed == SPEED_AUTO_NEG)
  1673. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  1674. else /* CL37 Autoneg Disabled */
  1675. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1676. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  1677. CL22_WR_OVER_CL45(bp, phy,
  1678. MDIO_REG_BANK_COMBO_IEEE0,
  1679. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1680. /* Enable/Disable Autodetection */
  1681. CL22_RD_OVER_CL45(bp, phy,
  1682. MDIO_REG_BANK_SERDES_DIGITAL,
  1683. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  1684. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  1685. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  1686. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  1687. if (vars->line_speed == SPEED_AUTO_NEG)
  1688. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1689. else
  1690. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  1691. CL22_WR_OVER_CL45(bp, phy,
  1692. MDIO_REG_BANK_SERDES_DIGITAL,
  1693. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  1694. /* Enable TetonII and BAM autoneg */
  1695. CL22_RD_OVER_CL45(bp, phy,
  1696. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1697. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1698. &reg_val);
  1699. if (vars->line_speed == SPEED_AUTO_NEG) {
  1700. /* Enable BAM aneg Mode and TetonII aneg Mode */
  1701. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1702. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1703. } else {
  1704. /* TetonII and BAM Autoneg Disabled */
  1705. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  1706. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  1707. }
  1708. CL22_WR_OVER_CL45(bp, phy,
  1709. MDIO_REG_BANK_BAM_NEXT_PAGE,
  1710. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  1711. reg_val);
  1712. if (enable_cl73) {
  1713. /* Enable Cl73 FSM status bits */
  1714. CL22_WR_OVER_CL45(bp, phy,
  1715. MDIO_REG_BANK_CL73_USERB0,
  1716. MDIO_CL73_USERB0_CL73_UCTRL,
  1717. 0xe);
  1718. /* Enable BAM Station Manager*/
  1719. CL22_WR_OVER_CL45(bp, phy,
  1720. MDIO_REG_BANK_CL73_USERB0,
  1721. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  1722. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  1723. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  1724. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  1725. /* Advertise CL73 link speeds */
  1726. CL22_RD_OVER_CL45(bp, phy,
  1727. MDIO_REG_BANK_CL73_IEEEB1,
  1728. MDIO_CL73_IEEEB1_AN_ADV2,
  1729. &reg_val);
  1730. if (phy->speed_cap_mask &
  1731. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1732. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  1733. if (phy->speed_cap_mask &
  1734. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  1735. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  1736. CL22_WR_OVER_CL45(bp, phy,
  1737. MDIO_REG_BANK_CL73_IEEEB1,
  1738. MDIO_CL73_IEEEB1_AN_ADV2,
  1739. reg_val);
  1740. /* CL73 Autoneg Enabled */
  1741. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  1742. } else /* CL73 Autoneg Disabled */
  1743. reg_val = 0;
  1744. CL22_WR_OVER_CL45(bp, phy,
  1745. MDIO_REG_BANK_CL73_IEEEB0,
  1746. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  1747. }
  1748. /* program SerDes, forced speed */
  1749. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  1750. struct link_params *params,
  1751. struct link_vars *vars)
  1752. {
  1753. struct bnx2x *bp = params->bp;
  1754. u16 reg_val;
  1755. /* program duplex, disable autoneg and sgmii*/
  1756. CL22_RD_OVER_CL45(bp, phy,
  1757. MDIO_REG_BANK_COMBO_IEEE0,
  1758. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  1759. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  1760. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1761. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  1762. if (phy->req_duplex == DUPLEX_FULL)
  1763. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1764. CL22_WR_OVER_CL45(bp, phy,
  1765. MDIO_REG_BANK_COMBO_IEEE0,
  1766. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  1767. /*
  1768. * program speed
  1769. * - needed only if the speed is greater than 1G (2.5G or 10G)
  1770. */
  1771. CL22_RD_OVER_CL45(bp, phy,
  1772. MDIO_REG_BANK_SERDES_DIGITAL,
  1773. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  1774. /* clearing the speed value before setting the right speed */
  1775. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  1776. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  1777. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1778. if (!((vars->line_speed == SPEED_1000) ||
  1779. (vars->line_speed == SPEED_100) ||
  1780. (vars->line_speed == SPEED_10))) {
  1781. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  1782. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  1783. if (vars->line_speed == SPEED_10000)
  1784. reg_val |=
  1785. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  1786. if (vars->line_speed == SPEED_13000)
  1787. reg_val |=
  1788. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
  1789. }
  1790. CL22_WR_OVER_CL45(bp, phy,
  1791. MDIO_REG_BANK_SERDES_DIGITAL,
  1792. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  1793. }
  1794. static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
  1795. struct link_params *params)
  1796. {
  1797. struct bnx2x *bp = params->bp;
  1798. u16 val = 0;
  1799. /* configure the 48 bits for BAM AN */
  1800. /* set extended capabilities */
  1801. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  1802. val |= MDIO_OVER_1G_UP1_2_5G;
  1803. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  1804. val |= MDIO_OVER_1G_UP1_10G;
  1805. CL22_WR_OVER_CL45(bp, phy,
  1806. MDIO_REG_BANK_OVER_1G,
  1807. MDIO_OVER_1G_UP1, val);
  1808. CL22_WR_OVER_CL45(bp, phy,
  1809. MDIO_REG_BANK_OVER_1G,
  1810. MDIO_OVER_1G_UP3, 0x400);
  1811. }
  1812. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  1813. struct link_params *params, u16 *ieee_fc)
  1814. {
  1815. struct bnx2x *bp = params->bp;
  1816. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  1817. /*
  1818. * Resolve pause mode and advertisement.
  1819. * Please refer to Table 28B-3 of the 802.3ab-1999 spec
  1820. */
  1821. switch (phy->req_flow_ctrl) {
  1822. case BNX2X_FLOW_CTRL_AUTO:
  1823. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  1824. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1825. else
  1826. *ieee_fc |=
  1827. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1828. break;
  1829. case BNX2X_FLOW_CTRL_TX:
  1830. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  1831. break;
  1832. case BNX2X_FLOW_CTRL_RX:
  1833. case BNX2X_FLOW_CTRL_BOTH:
  1834. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  1835. break;
  1836. case BNX2X_FLOW_CTRL_NONE:
  1837. default:
  1838. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  1839. break;
  1840. }
  1841. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  1842. }
  1843. static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
  1844. struct link_params *params,
  1845. u16 ieee_fc)
  1846. {
  1847. struct bnx2x *bp = params->bp;
  1848. u16 val;
  1849. /* for AN, we are always publishing full duplex */
  1850. CL22_WR_OVER_CL45(bp, phy,
  1851. MDIO_REG_BANK_COMBO_IEEE0,
  1852. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  1853. CL22_RD_OVER_CL45(bp, phy,
  1854. MDIO_REG_BANK_CL73_IEEEB1,
  1855. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  1856. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  1857. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  1858. CL22_WR_OVER_CL45(bp, phy,
  1859. MDIO_REG_BANK_CL73_IEEEB1,
  1860. MDIO_CL73_IEEEB1_AN_ADV1, val);
  1861. }
  1862. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  1863. struct link_params *params,
  1864. u8 enable_cl73)
  1865. {
  1866. struct bnx2x *bp = params->bp;
  1867. u16 mii_control;
  1868. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  1869. /* Enable and restart BAM/CL37 aneg */
  1870. if (enable_cl73) {
  1871. CL22_RD_OVER_CL45(bp, phy,
  1872. MDIO_REG_BANK_CL73_IEEEB0,
  1873. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1874. &mii_control);
  1875. CL22_WR_OVER_CL45(bp, phy,
  1876. MDIO_REG_BANK_CL73_IEEEB0,
  1877. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  1878. (mii_control |
  1879. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  1880. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  1881. } else {
  1882. CL22_RD_OVER_CL45(bp, phy,
  1883. MDIO_REG_BANK_COMBO_IEEE0,
  1884. MDIO_COMBO_IEEE0_MII_CONTROL,
  1885. &mii_control);
  1886. DP(NETIF_MSG_LINK,
  1887. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  1888. mii_control);
  1889. CL22_WR_OVER_CL45(bp, phy,
  1890. MDIO_REG_BANK_COMBO_IEEE0,
  1891. MDIO_COMBO_IEEE0_MII_CONTROL,
  1892. (mii_control |
  1893. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1894. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  1895. }
  1896. }
  1897. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  1898. struct link_params *params,
  1899. struct link_vars *vars)
  1900. {
  1901. struct bnx2x *bp = params->bp;
  1902. u16 control1;
  1903. /* in SGMII mode, the unicore is always slave */
  1904. CL22_RD_OVER_CL45(bp, phy,
  1905. MDIO_REG_BANK_SERDES_DIGITAL,
  1906. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1907. &control1);
  1908. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  1909. /* set sgmii mode (and not fiber) */
  1910. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  1911. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  1912. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  1913. CL22_WR_OVER_CL45(bp, phy,
  1914. MDIO_REG_BANK_SERDES_DIGITAL,
  1915. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  1916. control1);
  1917. /* if forced speed */
  1918. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  1919. /* set speed, disable autoneg */
  1920. u16 mii_control;
  1921. CL22_RD_OVER_CL45(bp, phy,
  1922. MDIO_REG_BANK_COMBO_IEEE0,
  1923. MDIO_COMBO_IEEE0_MII_CONTROL,
  1924. &mii_control);
  1925. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  1926. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  1927. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  1928. switch (vars->line_speed) {
  1929. case SPEED_100:
  1930. mii_control |=
  1931. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  1932. break;
  1933. case SPEED_1000:
  1934. mii_control |=
  1935. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  1936. break;
  1937. case SPEED_10:
  1938. /* there is nothing to set for 10M */
  1939. break;
  1940. default:
  1941. /* invalid speed for SGMII */
  1942. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  1943. vars->line_speed);
  1944. break;
  1945. }
  1946. /* setting the full duplex */
  1947. if (phy->req_duplex == DUPLEX_FULL)
  1948. mii_control |=
  1949. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  1950. CL22_WR_OVER_CL45(bp, phy,
  1951. MDIO_REG_BANK_COMBO_IEEE0,
  1952. MDIO_COMBO_IEEE0_MII_CONTROL,
  1953. mii_control);
  1954. } else { /* AN mode */
  1955. /* enable and restart AN */
  1956. bnx2x_restart_autoneg(phy, params, 0);
  1957. }
  1958. }
  1959. /*
  1960. * link management
  1961. */
  1962. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  1963. { /* LD LP */
  1964. switch (pause_result) { /* ASYM P ASYM P */
  1965. case 0xb: /* 1 0 1 1 */
  1966. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  1967. break;
  1968. case 0xe: /* 1 1 1 0 */
  1969. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  1970. break;
  1971. case 0x5: /* 0 1 0 1 */
  1972. case 0x7: /* 0 1 1 1 */
  1973. case 0xd: /* 1 1 0 1 */
  1974. case 0xf: /* 1 1 1 1 */
  1975. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  1976. break;
  1977. default:
  1978. break;
  1979. }
  1980. if (pause_result & (1<<0))
  1981. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  1982. if (pause_result & (1<<1))
  1983. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  1984. }
  1985. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  1986. struct link_params *params)
  1987. {
  1988. struct bnx2x *bp = params->bp;
  1989. u16 pd_10g, status2_1000x;
  1990. if (phy->req_line_speed != SPEED_AUTO_NEG)
  1991. return 0;
  1992. CL22_RD_OVER_CL45(bp, phy,
  1993. MDIO_REG_BANK_SERDES_DIGITAL,
  1994. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1995. &status2_1000x);
  1996. CL22_RD_OVER_CL45(bp, phy,
  1997. MDIO_REG_BANK_SERDES_DIGITAL,
  1998. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  1999. &status2_1000x);
  2000. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  2001. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  2002. params->port);
  2003. return 1;
  2004. }
  2005. CL22_RD_OVER_CL45(bp, phy,
  2006. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  2007. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  2008. &pd_10g);
  2009. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  2010. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  2011. params->port);
  2012. return 1;
  2013. }
  2014. return 0;
  2015. }
  2016. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  2017. struct link_params *params,
  2018. struct link_vars *vars,
  2019. u32 gp_status)
  2020. {
  2021. struct bnx2x *bp = params->bp;
  2022. u16 ld_pause; /* local driver */
  2023. u16 lp_pause; /* link partner */
  2024. u16 pause_result;
  2025. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2026. /* resolve from gp_status in case of AN complete and not sgmii */
  2027. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  2028. vars->flow_ctrl = phy->req_flow_ctrl;
  2029. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  2030. vars->flow_ctrl = params->req_fc_auto_adv;
  2031. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  2032. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  2033. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  2034. vars->flow_ctrl = params->req_fc_auto_adv;
  2035. return;
  2036. }
  2037. if ((gp_status &
  2038. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2039. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  2040. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  2041. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  2042. CL22_RD_OVER_CL45(bp, phy,
  2043. MDIO_REG_BANK_CL73_IEEEB1,
  2044. MDIO_CL73_IEEEB1_AN_ADV1,
  2045. &ld_pause);
  2046. CL22_RD_OVER_CL45(bp, phy,
  2047. MDIO_REG_BANK_CL73_IEEEB1,
  2048. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  2049. &lp_pause);
  2050. pause_result = (ld_pause &
  2051. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
  2052. >> 8;
  2053. pause_result |= (lp_pause &
  2054. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
  2055. >> 10;
  2056. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
  2057. pause_result);
  2058. } else {
  2059. CL22_RD_OVER_CL45(bp, phy,
  2060. MDIO_REG_BANK_COMBO_IEEE0,
  2061. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  2062. &ld_pause);
  2063. CL22_RD_OVER_CL45(bp, phy,
  2064. MDIO_REG_BANK_COMBO_IEEE0,
  2065. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  2066. &lp_pause);
  2067. pause_result = (ld_pause &
  2068. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  2069. pause_result |= (lp_pause &
  2070. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  2071. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
  2072. pause_result);
  2073. }
  2074. bnx2x_pause_resolve(vars, pause_result);
  2075. }
  2076. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  2077. }
  2078. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  2079. struct link_params *params)
  2080. {
  2081. struct bnx2x *bp = params->bp;
  2082. u16 rx_status, ustat_val, cl37_fsm_recieved;
  2083. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  2084. /* Step 1: Make sure signal is detected */
  2085. CL22_RD_OVER_CL45(bp, phy,
  2086. MDIO_REG_BANK_RX0,
  2087. MDIO_RX0_RX_STATUS,
  2088. &rx_status);
  2089. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  2090. (MDIO_RX0_RX_STATUS_SIGDET)) {
  2091. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  2092. "rx_status(0x80b0) = 0x%x\n", rx_status);
  2093. CL22_WR_OVER_CL45(bp, phy,
  2094. MDIO_REG_BANK_CL73_IEEEB0,
  2095. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2096. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  2097. return;
  2098. }
  2099. /* Step 2: Check CL73 state machine */
  2100. CL22_RD_OVER_CL45(bp, phy,
  2101. MDIO_REG_BANK_CL73_USERB0,
  2102. MDIO_CL73_USERB0_CL73_USTAT1,
  2103. &ustat_val);
  2104. if ((ustat_val &
  2105. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2106. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  2107. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  2108. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  2109. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  2110. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  2111. return;
  2112. }
  2113. /*
  2114. * Step 3: Check CL37 Message Pages received to indicate LP
  2115. * supports only CL37
  2116. */
  2117. CL22_RD_OVER_CL45(bp, phy,
  2118. MDIO_REG_BANK_REMOTE_PHY,
  2119. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  2120. &cl37_fsm_recieved);
  2121. if ((cl37_fsm_recieved &
  2122. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2123. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  2124. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  2125. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  2126. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  2127. "misc_rx_status(0x8330) = 0x%x\n",
  2128. cl37_fsm_recieved);
  2129. return;
  2130. }
  2131. /*
  2132. * The combined cl37/cl73 fsm state information indicating that
  2133. * we are connected to a device which does not support cl73, but
  2134. * does support cl37 BAM. In this case we disable cl73 and
  2135. * restart cl37 auto-neg
  2136. */
  2137. /* Disable CL73 */
  2138. CL22_WR_OVER_CL45(bp, phy,
  2139. MDIO_REG_BANK_CL73_IEEEB0,
  2140. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  2141. 0);
  2142. /* Restart CL37 autoneg */
  2143. bnx2x_restart_autoneg(phy, params, 0);
  2144. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  2145. }
  2146. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  2147. struct link_params *params,
  2148. struct link_vars *vars,
  2149. u32 gp_status)
  2150. {
  2151. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  2152. vars->link_status |=
  2153. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  2154. if (bnx2x_direct_parallel_detect_used(phy, params))
  2155. vars->link_status |=
  2156. LINK_STATUS_PARALLEL_DETECTION_USED;
  2157. }
  2158. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  2159. struct link_params *params,
  2160. struct link_vars *vars)
  2161. {
  2162. struct bnx2x *bp = params->bp;
  2163. u16 new_line_speed, gp_status;
  2164. int rc = 0;
  2165. /* Read gp_status */
  2166. CL22_RD_OVER_CL45(bp, phy,
  2167. MDIO_REG_BANK_GP_STATUS,
  2168. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2169. &gp_status);
  2170. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2171. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2172. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  2173. DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
  2174. gp_status);
  2175. vars->phy_link_up = 1;
  2176. vars->link_status |= LINK_STATUS_LINK_UP;
  2177. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  2178. vars->duplex = DUPLEX_FULL;
  2179. else
  2180. vars->duplex = DUPLEX_HALF;
  2181. if (SINGLE_MEDIA_DIRECT(params)) {
  2182. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  2183. if (phy->req_line_speed == SPEED_AUTO_NEG)
  2184. bnx2x_xgxs_an_resolve(phy, params, vars,
  2185. gp_status);
  2186. }
  2187. switch (gp_status & GP_STATUS_SPEED_MASK) {
  2188. case GP_STATUS_10M:
  2189. new_line_speed = SPEED_10;
  2190. if (vars->duplex == DUPLEX_FULL)
  2191. vars->link_status |= LINK_10TFD;
  2192. else
  2193. vars->link_status |= LINK_10THD;
  2194. break;
  2195. case GP_STATUS_100M:
  2196. new_line_speed = SPEED_100;
  2197. if (vars->duplex == DUPLEX_FULL)
  2198. vars->link_status |= LINK_100TXFD;
  2199. else
  2200. vars->link_status |= LINK_100TXHD;
  2201. break;
  2202. case GP_STATUS_1G:
  2203. case GP_STATUS_1G_KX:
  2204. new_line_speed = SPEED_1000;
  2205. if (vars->duplex == DUPLEX_FULL)
  2206. vars->link_status |= LINK_1000TFD;
  2207. else
  2208. vars->link_status |= LINK_1000THD;
  2209. break;
  2210. case GP_STATUS_2_5G:
  2211. new_line_speed = SPEED_2500;
  2212. if (vars->duplex == DUPLEX_FULL)
  2213. vars->link_status |= LINK_2500TFD;
  2214. else
  2215. vars->link_status |= LINK_2500THD;
  2216. break;
  2217. case GP_STATUS_5G:
  2218. case GP_STATUS_6G:
  2219. DP(NETIF_MSG_LINK,
  2220. "link speed unsupported gp_status 0x%x\n",
  2221. gp_status);
  2222. return -EINVAL;
  2223. case GP_STATUS_10G_KX4:
  2224. case GP_STATUS_10G_HIG:
  2225. case GP_STATUS_10G_CX4:
  2226. new_line_speed = SPEED_10000;
  2227. vars->link_status |= LINK_10GTFD;
  2228. break;
  2229. case GP_STATUS_12G_HIG:
  2230. new_line_speed = SPEED_12000;
  2231. vars->link_status |= LINK_12GTFD;
  2232. break;
  2233. case GP_STATUS_12_5G:
  2234. new_line_speed = SPEED_12500;
  2235. vars->link_status |= LINK_12_5GTFD;
  2236. break;
  2237. case GP_STATUS_13G:
  2238. new_line_speed = SPEED_13000;
  2239. vars->link_status |= LINK_13GTFD;
  2240. break;
  2241. case GP_STATUS_15G:
  2242. new_line_speed = SPEED_15000;
  2243. vars->link_status |= LINK_15GTFD;
  2244. break;
  2245. case GP_STATUS_16G:
  2246. new_line_speed = SPEED_16000;
  2247. vars->link_status |= LINK_16GTFD;
  2248. break;
  2249. default:
  2250. DP(NETIF_MSG_LINK,
  2251. "link speed unsupported gp_status 0x%x\n",
  2252. gp_status);
  2253. return -EINVAL;
  2254. }
  2255. vars->line_speed = new_line_speed;
  2256. } else { /* link_down */
  2257. DP(NETIF_MSG_LINK, "phy link down\n");
  2258. vars->phy_link_up = 0;
  2259. vars->duplex = DUPLEX_FULL;
  2260. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  2261. vars->mac_type = MAC_TYPE_NONE;
  2262. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  2263. SINGLE_MEDIA_DIRECT(params)) {
  2264. /* Check signal is detected */
  2265. bnx2x_check_fallback_to_cl37(phy, params);
  2266. }
  2267. }
  2268. DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
  2269. gp_status, vars->phy_link_up, vars->line_speed);
  2270. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  2271. vars->duplex, vars->flow_ctrl, vars->link_status);
  2272. return rc;
  2273. }
  2274. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  2275. {
  2276. struct bnx2x *bp = params->bp;
  2277. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2278. u16 lp_up2;
  2279. u16 tx_driver;
  2280. u16 bank;
  2281. /* read precomp */
  2282. CL22_RD_OVER_CL45(bp, phy,
  2283. MDIO_REG_BANK_OVER_1G,
  2284. MDIO_OVER_1G_LP_UP2, &lp_up2);
  2285. /* bits [10:7] at lp_up2, positioned at [15:12] */
  2286. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  2287. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  2288. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  2289. if (lp_up2 == 0)
  2290. return;
  2291. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  2292. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  2293. CL22_RD_OVER_CL45(bp, phy,
  2294. bank,
  2295. MDIO_TX0_TX_DRIVER, &tx_driver);
  2296. /* replace tx_driver bits [15:12] */
  2297. if (lp_up2 !=
  2298. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  2299. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  2300. tx_driver |= lp_up2;
  2301. CL22_WR_OVER_CL45(bp, phy,
  2302. bank,
  2303. MDIO_TX0_TX_DRIVER, tx_driver);
  2304. }
  2305. }
  2306. }
  2307. static int bnx2x_emac_program(struct link_params *params,
  2308. struct link_vars *vars)
  2309. {
  2310. struct bnx2x *bp = params->bp;
  2311. u8 port = params->port;
  2312. u16 mode = 0;
  2313. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  2314. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  2315. EMAC_REG_EMAC_MODE,
  2316. (EMAC_MODE_25G_MODE |
  2317. EMAC_MODE_PORT_MII_10M |
  2318. EMAC_MODE_HALF_DUPLEX));
  2319. switch (vars->line_speed) {
  2320. case SPEED_10:
  2321. mode |= EMAC_MODE_PORT_MII_10M;
  2322. break;
  2323. case SPEED_100:
  2324. mode |= EMAC_MODE_PORT_MII;
  2325. break;
  2326. case SPEED_1000:
  2327. mode |= EMAC_MODE_PORT_GMII;
  2328. break;
  2329. case SPEED_2500:
  2330. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  2331. break;
  2332. default:
  2333. /* 10G not valid for EMAC */
  2334. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2335. vars->line_speed);
  2336. return -EINVAL;
  2337. }
  2338. if (vars->duplex == DUPLEX_HALF)
  2339. mode |= EMAC_MODE_HALF_DUPLEX;
  2340. bnx2x_bits_en(bp,
  2341. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  2342. mode);
  2343. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  2344. return 0;
  2345. }
  2346. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  2347. struct link_params *params)
  2348. {
  2349. u16 bank, i = 0;
  2350. struct bnx2x *bp = params->bp;
  2351. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  2352. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  2353. CL22_WR_OVER_CL45(bp, phy,
  2354. bank,
  2355. MDIO_RX0_RX_EQ_BOOST,
  2356. phy->rx_preemphasis[i]);
  2357. }
  2358. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  2359. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  2360. CL22_WR_OVER_CL45(bp, phy,
  2361. bank,
  2362. MDIO_TX0_TX_DRIVER,
  2363. phy->tx_preemphasis[i]);
  2364. }
  2365. }
  2366. static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
  2367. struct link_params *params,
  2368. struct link_vars *vars)
  2369. {
  2370. struct bnx2x *bp = params->bp;
  2371. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  2372. (params->loopback_mode == LOOPBACK_XGXS));
  2373. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  2374. if (SINGLE_MEDIA_DIRECT(params) &&
  2375. (params->feature_config_flags &
  2376. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  2377. bnx2x_set_preemphasis(phy, params);
  2378. /* forced speed requested? */
  2379. if (vars->line_speed != SPEED_AUTO_NEG ||
  2380. (SINGLE_MEDIA_DIRECT(params) &&
  2381. params->loopback_mode == LOOPBACK_EXT)) {
  2382. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  2383. /* disable autoneg */
  2384. bnx2x_set_autoneg(phy, params, vars, 0);
  2385. /* program speed and duplex */
  2386. bnx2x_program_serdes(phy, params, vars);
  2387. } else { /* AN_mode */
  2388. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  2389. /* AN enabled */
  2390. bnx2x_set_brcm_cl37_advertisment(phy, params);
  2391. /* program duplex & pause advertisement (for aneg) */
  2392. bnx2x_set_ieee_aneg_advertisment(phy, params,
  2393. vars->ieee_fc);
  2394. /* enable autoneg */
  2395. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  2396. /* enable and restart AN */
  2397. bnx2x_restart_autoneg(phy, params, enable_cl73);
  2398. }
  2399. } else { /* SGMII mode */
  2400. DP(NETIF_MSG_LINK, "SGMII\n");
  2401. bnx2x_initialize_sgmii_process(phy, params, vars);
  2402. }
  2403. }
  2404. static int bnx2x_init_serdes(struct bnx2x_phy *phy,
  2405. struct link_params *params,
  2406. struct link_vars *vars)
  2407. {
  2408. int rc;
  2409. vars->phy_flags |= PHY_SGMII_FLAG;
  2410. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2411. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2412. rc = bnx2x_reset_unicore(params, phy, 1);
  2413. /* reset the SerDes and wait for reset bit return low */
  2414. if (rc != 0)
  2415. return rc;
  2416. bnx2x_set_aer_mmd_serdes(params->bp, phy);
  2417. return rc;
  2418. }
  2419. static int bnx2x_init_xgxs(struct bnx2x_phy *phy,
  2420. struct link_params *params,
  2421. struct link_vars *vars)
  2422. {
  2423. int rc;
  2424. vars->phy_flags = PHY_XGXS_FLAG;
  2425. if ((phy->req_line_speed &&
  2426. ((phy->req_line_speed == SPEED_100) ||
  2427. (phy->req_line_speed == SPEED_10))) ||
  2428. (!phy->req_line_speed &&
  2429. (phy->speed_cap_mask >=
  2430. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  2431. (phy->speed_cap_mask <
  2432. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  2433. ))
  2434. vars->phy_flags |= PHY_SGMII_FLAG;
  2435. else
  2436. vars->phy_flags &= ~PHY_SGMII_FLAG;
  2437. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2438. bnx2x_set_aer_mmd_xgxs(params, phy);
  2439. bnx2x_set_master_ln(params, phy);
  2440. rc = bnx2x_reset_unicore(params, phy, 0);
  2441. /* reset the SerDes and wait for reset bit return low */
  2442. if (rc != 0)
  2443. return rc;
  2444. bnx2x_set_aer_mmd_xgxs(params, phy);
  2445. /* setting the masterLn_def again after the reset */
  2446. bnx2x_set_master_ln(params, phy);
  2447. bnx2x_set_swap_lanes(params, phy);
  2448. return rc;
  2449. }
  2450. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  2451. struct bnx2x_phy *phy,
  2452. struct link_params *params)
  2453. {
  2454. u16 cnt, ctrl;
  2455. /* Wait for soft reset to get cleared up to 1 sec */
  2456. for (cnt = 0; cnt < 1000; cnt++) {
  2457. bnx2x_cl45_read(bp, phy,
  2458. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
  2459. if (!(ctrl & (1<<15)))
  2460. break;
  2461. msleep(1);
  2462. }
  2463. if (cnt == 1000)
  2464. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  2465. " Port %d\n",
  2466. params->port);
  2467. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  2468. return cnt;
  2469. }
  2470. static void bnx2x_link_int_enable(struct link_params *params)
  2471. {
  2472. u8 port = params->port;
  2473. u32 mask;
  2474. struct bnx2x *bp = params->bp;
  2475. /* Setting the status to report on link up for either XGXS or SerDes */
  2476. if (params->switch_cfg == SWITCH_CFG_10G) {
  2477. mask = (NIG_MASK_XGXS0_LINK10G |
  2478. NIG_MASK_XGXS0_LINK_STATUS);
  2479. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  2480. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2481. params->phy[INT_PHY].type !=
  2482. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  2483. mask |= NIG_MASK_MI_INT;
  2484. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2485. }
  2486. } else { /* SerDes */
  2487. mask = NIG_MASK_SERDES0_LINK_STATUS;
  2488. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  2489. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  2490. params->phy[INT_PHY].type !=
  2491. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  2492. mask |= NIG_MASK_MI_INT;
  2493. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  2494. }
  2495. }
  2496. bnx2x_bits_en(bp,
  2497. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  2498. mask);
  2499. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  2500. (params->switch_cfg == SWITCH_CFG_10G),
  2501. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  2502. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  2503. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  2504. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  2505. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  2506. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  2507. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  2508. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  2509. }
  2510. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  2511. u8 exp_mi_int)
  2512. {
  2513. u32 latch_status = 0;
  2514. /*
  2515. * Disable the MI INT ( external phy int ) by writing 1 to the
  2516. * status register. Link down indication is high-active-signal,
  2517. * so in this case we need to write the status to clear the XOR
  2518. */
  2519. /* Read Latched signals */
  2520. latch_status = REG_RD(bp,
  2521. NIG_REG_LATCH_STATUS_0 + port*8);
  2522. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  2523. /* Handle only those with latched-signal=up.*/
  2524. if (exp_mi_int)
  2525. bnx2x_bits_en(bp,
  2526. NIG_REG_STATUS_INTERRUPT_PORT0
  2527. + port*4,
  2528. NIG_STATUS_EMAC0_MI_INT);
  2529. else
  2530. bnx2x_bits_dis(bp,
  2531. NIG_REG_STATUS_INTERRUPT_PORT0
  2532. + port*4,
  2533. NIG_STATUS_EMAC0_MI_INT);
  2534. if (latch_status & 1) {
  2535. /* For all latched-signal=up : Re-Arm Latch signals */
  2536. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  2537. (latch_status & 0xfffe) | (latch_status & 1));
  2538. }
  2539. /* For all latched-signal=up,Write original_signal to status */
  2540. }
  2541. static void bnx2x_link_int_ack(struct link_params *params,
  2542. struct link_vars *vars, u8 is_10g)
  2543. {
  2544. struct bnx2x *bp = params->bp;
  2545. u8 port = params->port;
  2546. /*
  2547. * First reset all status we assume only one line will be
  2548. * change at a time
  2549. */
  2550. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2551. (NIG_STATUS_XGXS0_LINK10G |
  2552. NIG_STATUS_XGXS0_LINK_STATUS |
  2553. NIG_STATUS_SERDES0_LINK_STATUS));
  2554. if (vars->phy_link_up) {
  2555. if (is_10g) {
  2556. /*
  2557. * Disable the 10G link interrupt by writing 1 to the
  2558. * status register
  2559. */
  2560. DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
  2561. bnx2x_bits_en(bp,
  2562. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2563. NIG_STATUS_XGXS0_LINK10G);
  2564. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  2565. /*
  2566. * Disable the link interrupt by writing 1 to the
  2567. * relevant lane in the status register
  2568. */
  2569. u32 ser_lane = ((params->lane_config &
  2570. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2571. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2572. DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
  2573. vars->line_speed);
  2574. bnx2x_bits_en(bp,
  2575. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2576. ((1 << ser_lane) <<
  2577. NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
  2578. } else { /* SerDes */
  2579. DP(NETIF_MSG_LINK, "SerDes phy link up\n");
  2580. /*
  2581. * Disable the link interrupt by writing 1 to the status
  2582. * register
  2583. */
  2584. bnx2x_bits_en(bp,
  2585. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  2586. NIG_STATUS_SERDES0_LINK_STATUS);
  2587. }
  2588. }
  2589. }
  2590. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  2591. {
  2592. u8 *str_ptr = str;
  2593. u32 mask = 0xf0000000;
  2594. u8 shift = 8*4;
  2595. u8 digit;
  2596. u8 remove_leading_zeros = 1;
  2597. if (*len < 10) {
  2598. /* Need more than 10chars for this format */
  2599. *str_ptr = '\0';
  2600. (*len)--;
  2601. return -EINVAL;
  2602. }
  2603. while (shift > 0) {
  2604. shift -= 4;
  2605. digit = ((num & mask) >> shift);
  2606. if (digit == 0 && remove_leading_zeros) {
  2607. mask = mask >> 4;
  2608. continue;
  2609. } else if (digit < 0xa)
  2610. *str_ptr = digit + '0';
  2611. else
  2612. *str_ptr = digit - 0xa + 'a';
  2613. remove_leading_zeros = 0;
  2614. str_ptr++;
  2615. (*len)--;
  2616. mask = mask >> 4;
  2617. if (shift == 4*4) {
  2618. *str_ptr = '.';
  2619. str_ptr++;
  2620. (*len)--;
  2621. remove_leading_zeros = 1;
  2622. }
  2623. }
  2624. return 0;
  2625. }
  2626. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  2627. {
  2628. str[0] = '\0';
  2629. (*len)--;
  2630. return 0;
  2631. }
  2632. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
  2633. u8 *version, u16 len)
  2634. {
  2635. struct bnx2x *bp;
  2636. u32 spirom_ver = 0;
  2637. int status = 0;
  2638. u8 *ver_p = version;
  2639. u16 remain_len = len;
  2640. if (version == NULL || params == NULL)
  2641. return -EINVAL;
  2642. bp = params->bp;
  2643. /* Extract first external phy*/
  2644. version[0] = '\0';
  2645. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  2646. if (params->phy[EXT_PHY1].format_fw_ver) {
  2647. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  2648. ver_p,
  2649. &remain_len);
  2650. ver_p += (len - remain_len);
  2651. }
  2652. if ((params->num_phys == MAX_PHYS) &&
  2653. (params->phy[EXT_PHY2].ver_addr != 0)) {
  2654. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  2655. if (params->phy[EXT_PHY2].format_fw_ver) {
  2656. *ver_p = '/';
  2657. ver_p++;
  2658. remain_len--;
  2659. status |= params->phy[EXT_PHY2].format_fw_ver(
  2660. spirom_ver,
  2661. ver_p,
  2662. &remain_len);
  2663. ver_p = version + (len - remain_len);
  2664. }
  2665. }
  2666. *ver_p = '\0';
  2667. return status;
  2668. }
  2669. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  2670. struct link_params *params)
  2671. {
  2672. u8 port = params->port;
  2673. struct bnx2x *bp = params->bp;
  2674. if (phy->req_line_speed != SPEED_1000) {
  2675. u32 md_devad;
  2676. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  2677. /* change the uni_phy_addr in the nig */
  2678. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  2679. port*0x18));
  2680. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
  2681. bnx2x_cl45_write(bp, phy,
  2682. 5,
  2683. (MDIO_REG_BANK_AER_BLOCK +
  2684. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  2685. 0x2800);
  2686. bnx2x_cl45_write(bp, phy,
  2687. 5,
  2688. (MDIO_REG_BANK_CL73_IEEEB0 +
  2689. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  2690. 0x6041);
  2691. msleep(200);
  2692. /* set aer mmd back */
  2693. bnx2x_set_aer_mmd_xgxs(params, phy);
  2694. /* and md_devad */
  2695. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, md_devad);
  2696. } else {
  2697. u16 mii_ctrl;
  2698. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  2699. bnx2x_cl45_read(bp, phy, 5,
  2700. (MDIO_REG_BANK_COMBO_IEEE0 +
  2701. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2702. &mii_ctrl);
  2703. bnx2x_cl45_write(bp, phy, 5,
  2704. (MDIO_REG_BANK_COMBO_IEEE0 +
  2705. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  2706. mii_ctrl |
  2707. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  2708. }
  2709. }
  2710. int bnx2x_set_led(struct link_params *params,
  2711. struct link_vars *vars, u8 mode, u32 speed)
  2712. {
  2713. u8 port = params->port;
  2714. u16 hw_led_mode = params->hw_led_mode;
  2715. int rc = 0;
  2716. u8 phy_idx;
  2717. u32 tmp;
  2718. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2719. struct bnx2x *bp = params->bp;
  2720. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  2721. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  2722. speed, hw_led_mode);
  2723. /* In case */
  2724. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  2725. if (params->phy[phy_idx].set_link_led) {
  2726. params->phy[phy_idx].set_link_led(
  2727. &params->phy[phy_idx], params, mode);
  2728. }
  2729. }
  2730. switch (mode) {
  2731. case LED_MODE_FRONT_PANEL_OFF:
  2732. case LED_MODE_OFF:
  2733. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  2734. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  2735. SHARED_HW_CFG_LED_MAC1);
  2736. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2737. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
  2738. break;
  2739. case LED_MODE_OPER:
  2740. /*
  2741. * For all other phys, OPER mode is same as ON, so in case
  2742. * link is down, do nothing
  2743. */
  2744. if (!vars->link_up)
  2745. break;
  2746. case LED_MODE_ON:
  2747. if (((params->phy[EXT_PHY1].type ==
  2748. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  2749. (params->phy[EXT_PHY1].type ==
  2750. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  2751. CHIP_IS_E2(bp) && params->num_phys == 2) {
  2752. /*
  2753. * This is a work-around for E2+8727 Configurations
  2754. */
  2755. if (mode == LED_MODE_ON ||
  2756. speed == SPEED_10000){
  2757. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2758. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2759. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2760. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  2761. (tmp | EMAC_LED_OVERRIDE));
  2762. return rc;
  2763. }
  2764. } else if (SINGLE_MEDIA_DIRECT(params)) {
  2765. /*
  2766. * This is a work-around for HW issue found when link
  2767. * is up in CL73
  2768. */
  2769. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  2770. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  2771. } else {
  2772. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
  2773. }
  2774. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  2775. /* Set blinking rate to ~15.9Hz */
  2776. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  2777. LED_BLINK_RATE_VAL);
  2778. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  2779. port*4, 1);
  2780. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  2781. EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp & (~EMAC_LED_OVERRIDE)));
  2782. if (CHIP_IS_E1(bp) &&
  2783. ((speed == SPEED_2500) ||
  2784. (speed == SPEED_1000) ||
  2785. (speed == SPEED_100) ||
  2786. (speed == SPEED_10))) {
  2787. /*
  2788. * On Everest 1 Ax chip versions for speeds less than
  2789. * 10G LED scheme is different
  2790. */
  2791. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  2792. + port*4, 1);
  2793. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  2794. port*4, 0);
  2795. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  2796. port*4, 1);
  2797. }
  2798. break;
  2799. default:
  2800. rc = -EINVAL;
  2801. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  2802. mode);
  2803. break;
  2804. }
  2805. return rc;
  2806. }
  2807. /*
  2808. * This function comes to reflect the actual link state read DIRECTLY from the
  2809. * HW
  2810. */
  2811. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  2812. u8 is_serdes)
  2813. {
  2814. struct bnx2x *bp = params->bp;
  2815. u16 gp_status = 0, phy_index = 0;
  2816. u8 ext_phy_link_up = 0, serdes_phy_type;
  2817. struct link_vars temp_vars;
  2818. CL22_RD_OVER_CL45(bp, &params->phy[INT_PHY],
  2819. MDIO_REG_BANK_GP_STATUS,
  2820. MDIO_GP_STATUS_TOP_AN_STATUS1,
  2821. &gp_status);
  2822. /* link is up only if both local phy and external phy are up */
  2823. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  2824. return -ESRCH;
  2825. switch (params->num_phys) {
  2826. case 1:
  2827. /* No external PHY */
  2828. return 0;
  2829. case 2:
  2830. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  2831. &params->phy[EXT_PHY1],
  2832. params, &temp_vars);
  2833. break;
  2834. case 3: /* Dual Media */
  2835. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2836. phy_index++) {
  2837. serdes_phy_type = ((params->phy[phy_index].media_type ==
  2838. ETH_PHY_SFP_FIBER) ||
  2839. (params->phy[phy_index].media_type ==
  2840. ETH_PHY_XFP_FIBER) ||
  2841. (params->phy[phy_index].media_type ==
  2842. ETH_PHY_DA_TWINAX));
  2843. if (is_serdes != serdes_phy_type)
  2844. continue;
  2845. if (params->phy[phy_index].read_status) {
  2846. ext_phy_link_up |=
  2847. params->phy[phy_index].read_status(
  2848. &params->phy[phy_index],
  2849. params, &temp_vars);
  2850. }
  2851. }
  2852. break;
  2853. }
  2854. if (ext_phy_link_up)
  2855. return 0;
  2856. return -ESRCH;
  2857. }
  2858. static int bnx2x_link_initialize(struct link_params *params,
  2859. struct link_vars *vars)
  2860. {
  2861. int rc = 0;
  2862. u8 phy_index, non_ext_phy;
  2863. struct bnx2x *bp = params->bp;
  2864. /*
  2865. * In case of external phy existence, the line speed would be the
  2866. * line speed linked up by the external phy. In case it is direct
  2867. * only, then the line_speed during initialization will be
  2868. * equal to the req_line_speed
  2869. */
  2870. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  2871. /*
  2872. * Initialize the internal phy in case this is a direct board
  2873. * (no external phys), or this board has external phy which requires
  2874. * to first.
  2875. */
  2876. if (params->phy[INT_PHY].config_init)
  2877. params->phy[INT_PHY].config_init(
  2878. &params->phy[INT_PHY],
  2879. params, vars);
  2880. /* init ext phy and enable link state int */
  2881. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  2882. (params->loopback_mode == LOOPBACK_XGXS));
  2883. if (non_ext_phy ||
  2884. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  2885. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  2886. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  2887. if (vars->line_speed == SPEED_AUTO_NEG)
  2888. bnx2x_set_parallel_detection(phy, params);
  2889. bnx2x_init_internal_phy(phy, params, vars);
  2890. }
  2891. /* Init external phy*/
  2892. if (!non_ext_phy)
  2893. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  2894. phy_index++) {
  2895. /*
  2896. * No need to initialize second phy in case of first
  2897. * phy only selection. In case of second phy, we do
  2898. * need to initialize the first phy, since they are
  2899. * connected.
  2900. */
  2901. if (phy_index == EXT_PHY2 &&
  2902. (bnx2x_phy_selection(params) ==
  2903. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  2904. DP(NETIF_MSG_LINK, "Ignoring second phy\n");
  2905. continue;
  2906. }
  2907. params->phy[phy_index].config_init(
  2908. &params->phy[phy_index],
  2909. params, vars);
  2910. }
  2911. /* Reset the interrupt indication after phy was initialized */
  2912. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  2913. params->port*4,
  2914. (NIG_STATUS_XGXS0_LINK10G |
  2915. NIG_STATUS_XGXS0_LINK_STATUS |
  2916. NIG_STATUS_SERDES0_LINK_STATUS |
  2917. NIG_MASK_MI_INT));
  2918. return rc;
  2919. }
  2920. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  2921. struct link_params *params)
  2922. {
  2923. /* reset the SerDes/XGXS */
  2924. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  2925. (0x1ff << (params->port*16)));
  2926. }
  2927. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  2928. struct link_params *params)
  2929. {
  2930. struct bnx2x *bp = params->bp;
  2931. u8 gpio_port;
  2932. /* HW reset */
  2933. if (CHIP_IS_E2(bp))
  2934. gpio_port = BP_PATH(bp);
  2935. else
  2936. gpio_port = params->port;
  2937. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  2938. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2939. gpio_port);
  2940. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  2941. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  2942. gpio_port);
  2943. DP(NETIF_MSG_LINK, "reset external PHY\n");
  2944. }
  2945. static int bnx2x_update_link_down(struct link_params *params,
  2946. struct link_vars *vars)
  2947. {
  2948. struct bnx2x *bp = params->bp;
  2949. u8 port = params->port;
  2950. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  2951. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  2952. /* indicate no mac active */
  2953. vars->mac_type = MAC_TYPE_NONE;
  2954. /* update shared memory */
  2955. vars->link_status = 0;
  2956. vars->line_speed = 0;
  2957. bnx2x_update_mng(params, vars->link_status);
  2958. /* activate nig drain */
  2959. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  2960. /* disable emac */
  2961. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  2962. msleep(10);
  2963. /* reset BigMac */
  2964. bnx2x_bmac_rx_disable(bp, params->port);
  2965. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2966. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2967. return 0;
  2968. }
  2969. static int bnx2x_update_link_up(struct link_params *params,
  2970. struct link_vars *vars,
  2971. u8 link_10g)
  2972. {
  2973. struct bnx2x *bp = params->bp;
  2974. u8 port = params->port;
  2975. int rc = 0;
  2976. vars->link_status |= LINK_STATUS_LINK_UP;
  2977. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  2978. vars->link_status |=
  2979. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  2980. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  2981. vars->link_status |=
  2982. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  2983. if (link_10g) {
  2984. bnx2x_bmac_enable(params, vars, 0);
  2985. bnx2x_set_led(params, vars,
  2986. LED_MODE_OPER, SPEED_10000);
  2987. } else {
  2988. rc = bnx2x_emac_program(params, vars);
  2989. bnx2x_emac_enable(params, vars, 0);
  2990. /* AN complete? */
  2991. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  2992. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  2993. SINGLE_MEDIA_DIRECT(params))
  2994. bnx2x_set_gmii_tx_driver(params);
  2995. }
  2996. /* PBF - link up */
  2997. if (!(CHIP_IS_E2(bp)))
  2998. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  2999. vars->line_speed);
  3000. /* disable drain */
  3001. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  3002. /* update shared memory */
  3003. bnx2x_update_mng(params, vars->link_status);
  3004. msleep(20);
  3005. return rc;
  3006. }
  3007. /*
  3008. * The bnx2x_link_update function should be called upon link
  3009. * interrupt.
  3010. * Link is considered up as follows:
  3011. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  3012. * to be up
  3013. * - SINGLE_MEDIA - The link between the 577xx and the external
  3014. * phy (XGXS) need to up as well as the external link of the
  3015. * phy (PHY_EXT1)
  3016. * - DUAL_MEDIA - The link between the 577xx and the first
  3017. * external phy needs to be up, and at least one of the 2
  3018. * external phy link must be up.
  3019. */
  3020. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  3021. {
  3022. struct bnx2x *bp = params->bp;
  3023. struct link_vars phy_vars[MAX_PHYS];
  3024. u8 port = params->port;
  3025. u8 link_10g, phy_index;
  3026. u8 ext_phy_link_up = 0, cur_link_up;
  3027. int rc = 0;
  3028. u8 is_mi_int = 0;
  3029. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  3030. u8 active_external_phy = INT_PHY;
  3031. vars->link_status = 0;
  3032. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3033. phy_index++) {
  3034. phy_vars[phy_index].flow_ctrl = 0;
  3035. phy_vars[phy_index].link_status = 0;
  3036. phy_vars[phy_index].line_speed = 0;
  3037. phy_vars[phy_index].duplex = DUPLEX_FULL;
  3038. phy_vars[phy_index].phy_link_up = 0;
  3039. phy_vars[phy_index].link_up = 0;
  3040. phy_vars[phy_index].fault_detected = 0;
  3041. }
  3042. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  3043. port, (vars->phy_flags & PHY_XGXS_FLAG),
  3044. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  3045. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  3046. port*0x18) > 0);
  3047. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  3048. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  3049. is_mi_int,
  3050. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  3051. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  3052. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  3053. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  3054. /* disable emac */
  3055. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  3056. /*
  3057. * Step 1:
  3058. * Check external link change only for external phys, and apply
  3059. * priority selection between them in case the link on both phys
  3060. * is up. Note that the instead of the common vars, a temporary
  3061. * vars argument is used since each phy may have different link/
  3062. * speed/duplex result
  3063. */
  3064. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3065. phy_index++) {
  3066. struct bnx2x_phy *phy = &params->phy[phy_index];
  3067. if (!phy->read_status)
  3068. continue;
  3069. /* Read link status and params of this ext phy */
  3070. cur_link_up = phy->read_status(phy, params,
  3071. &phy_vars[phy_index]);
  3072. if (cur_link_up) {
  3073. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  3074. phy_index);
  3075. } else {
  3076. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  3077. phy_index);
  3078. continue;
  3079. }
  3080. if (!ext_phy_link_up) {
  3081. ext_phy_link_up = 1;
  3082. active_external_phy = phy_index;
  3083. } else {
  3084. switch (bnx2x_phy_selection(params)) {
  3085. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  3086. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  3087. /*
  3088. * In this option, the first PHY makes sure to pass the
  3089. * traffic through itself only.
  3090. * Its not clear how to reset the link on the second phy
  3091. */
  3092. active_external_phy = EXT_PHY1;
  3093. break;
  3094. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  3095. /*
  3096. * In this option, the first PHY makes sure to pass the
  3097. * traffic through the second PHY.
  3098. */
  3099. active_external_phy = EXT_PHY2;
  3100. break;
  3101. default:
  3102. /*
  3103. * Link indication on both PHYs with the following cases
  3104. * is invalid:
  3105. * - FIRST_PHY means that second phy wasn't initialized,
  3106. * hence its link is expected to be down
  3107. * - SECOND_PHY means that first phy should not be able
  3108. * to link up by itself (using configuration)
  3109. * - DEFAULT should be overriden during initialiazation
  3110. */
  3111. DP(NETIF_MSG_LINK, "Invalid link indication"
  3112. "mpc=0x%x. DISABLING LINK !!!\n",
  3113. params->multi_phy_config);
  3114. ext_phy_link_up = 0;
  3115. break;
  3116. }
  3117. }
  3118. }
  3119. prev_line_speed = vars->line_speed;
  3120. /*
  3121. * Step 2:
  3122. * Read the status of the internal phy. In case of
  3123. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  3124. * otherwise this is the link between the 577xx and the first
  3125. * external phy
  3126. */
  3127. if (params->phy[INT_PHY].read_status)
  3128. params->phy[INT_PHY].read_status(
  3129. &params->phy[INT_PHY],
  3130. params, vars);
  3131. /*
  3132. * The INT_PHY flow control reside in the vars. This include the
  3133. * case where the speed or flow control are not set to AUTO.
  3134. * Otherwise, the active external phy flow control result is set
  3135. * to the vars. The ext_phy_line_speed is needed to check if the
  3136. * speed is different between the internal phy and external phy.
  3137. * This case may be result of intermediate link speed change.
  3138. */
  3139. if (active_external_phy > INT_PHY) {
  3140. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  3141. /*
  3142. * Link speed is taken from the XGXS. AN and FC result from
  3143. * the external phy.
  3144. */
  3145. vars->link_status |= phy_vars[active_external_phy].link_status;
  3146. /*
  3147. * if active_external_phy is first PHY and link is up - disable
  3148. * disable TX on second external PHY
  3149. */
  3150. if (active_external_phy == EXT_PHY1) {
  3151. if (params->phy[EXT_PHY2].phy_specific_func) {
  3152. DP(NETIF_MSG_LINK, "Disabling TX on"
  3153. " EXT_PHY2\n");
  3154. params->phy[EXT_PHY2].phy_specific_func(
  3155. &params->phy[EXT_PHY2],
  3156. params, DISABLE_TX);
  3157. }
  3158. }
  3159. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  3160. vars->duplex = phy_vars[active_external_phy].duplex;
  3161. if (params->phy[active_external_phy].supported &
  3162. SUPPORTED_FIBRE)
  3163. vars->link_status |= LINK_STATUS_SERDES_LINK;
  3164. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  3165. active_external_phy);
  3166. }
  3167. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  3168. phy_index++) {
  3169. if (params->phy[phy_index].flags &
  3170. FLAGS_REARM_LATCH_SIGNAL) {
  3171. bnx2x_rearm_latch_signal(bp, port,
  3172. phy_index ==
  3173. active_external_phy);
  3174. break;
  3175. }
  3176. }
  3177. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  3178. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  3179. vars->link_status, ext_phy_line_speed);
  3180. /*
  3181. * Upon link speed change set the NIG into drain mode. Comes to
  3182. * deals with possible FIFO glitch due to clk change when speed
  3183. * is decreased without link down indicator
  3184. */
  3185. if (vars->phy_link_up) {
  3186. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  3187. (ext_phy_line_speed != vars->line_speed)) {
  3188. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  3189. " different than the external"
  3190. " link speed %d\n", vars->line_speed,
  3191. ext_phy_line_speed);
  3192. vars->phy_link_up = 0;
  3193. } else if (prev_line_speed != vars->line_speed) {
  3194. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  3195. 0);
  3196. msleep(1);
  3197. }
  3198. }
  3199. /* anything 10 and over uses the bmac */
  3200. link_10g = ((vars->line_speed == SPEED_10000) ||
  3201. (vars->line_speed == SPEED_12000) ||
  3202. (vars->line_speed == SPEED_12500) ||
  3203. (vars->line_speed == SPEED_13000) ||
  3204. (vars->line_speed == SPEED_15000) ||
  3205. (vars->line_speed == SPEED_16000));
  3206. bnx2x_link_int_ack(params, vars, link_10g);
  3207. /*
  3208. * In case external phy link is up, and internal link is down
  3209. * (not initialized yet probably after link initialization, it
  3210. * needs to be initialized.
  3211. * Note that after link down-up as result of cable plug, the xgxs
  3212. * link would probably become up again without the need
  3213. * initialize it
  3214. */
  3215. if (!(SINGLE_MEDIA_DIRECT(params))) {
  3216. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  3217. " init_preceding = %d\n", ext_phy_link_up,
  3218. vars->phy_link_up,
  3219. params->phy[EXT_PHY1].flags &
  3220. FLAGS_INIT_XGXS_FIRST);
  3221. if (!(params->phy[EXT_PHY1].flags &
  3222. FLAGS_INIT_XGXS_FIRST)
  3223. && ext_phy_link_up && !vars->phy_link_up) {
  3224. vars->line_speed = ext_phy_line_speed;
  3225. if (vars->line_speed < SPEED_1000)
  3226. vars->phy_flags |= PHY_SGMII_FLAG;
  3227. else
  3228. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3229. bnx2x_init_internal_phy(&params->phy[INT_PHY],
  3230. params,
  3231. vars);
  3232. }
  3233. }
  3234. /*
  3235. * Link is up only if both local phy and external phy (in case of
  3236. * non-direct board) are up
  3237. */
  3238. vars->link_up = (vars->phy_link_up &&
  3239. (ext_phy_link_up ||
  3240. SINGLE_MEDIA_DIRECT(params)) &&
  3241. (phy_vars[active_external_phy].fault_detected == 0));
  3242. if (vars->link_up)
  3243. rc = bnx2x_update_link_up(params, vars, link_10g);
  3244. else
  3245. rc = bnx2x_update_link_down(params, vars);
  3246. return rc;
  3247. }
  3248. /*****************************************************************************/
  3249. /* External Phy section */
  3250. /*****************************************************************************/
  3251. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  3252. {
  3253. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3254. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  3255. msleep(1);
  3256. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3257. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  3258. }
  3259. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  3260. u32 spirom_ver, u32 ver_addr)
  3261. {
  3262. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  3263. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  3264. if (ver_addr)
  3265. REG_WR(bp, ver_addr, spirom_ver);
  3266. }
  3267. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  3268. struct bnx2x_phy *phy,
  3269. u8 port)
  3270. {
  3271. u16 fw_ver1, fw_ver2;
  3272. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3273. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3274. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  3275. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  3276. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  3277. phy->ver_addr);
  3278. }
  3279. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3280. struct bnx2x_phy *phy,
  3281. struct link_vars *vars)
  3282. {
  3283. u16 val;
  3284. struct bnx2x *bp = params->bp;
  3285. /* read modify write pause advertizing */
  3286. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3287. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3288. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3289. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3290. if ((vars->ieee_fc &
  3291. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3292. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3293. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3294. }
  3295. if ((vars->ieee_fc &
  3296. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3297. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3298. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3299. }
  3300. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3301. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3302. }
  3303. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3304. struct link_params *params,
  3305. struct link_vars *vars)
  3306. {
  3307. struct bnx2x *bp = params->bp;
  3308. u16 ld_pause; /* local */
  3309. u16 lp_pause; /* link partner */
  3310. u16 pause_result;
  3311. u8 ret = 0;
  3312. /* read twice */
  3313. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3314. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
  3315. vars->flow_ctrl = phy->req_flow_ctrl;
  3316. else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3317. vars->flow_ctrl = params->req_fc_auto_adv;
  3318. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3319. ret = 1;
  3320. bnx2x_cl45_read(bp, phy,
  3321. MDIO_AN_DEVAD,
  3322. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3323. bnx2x_cl45_read(bp, phy,
  3324. MDIO_AN_DEVAD,
  3325. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3326. pause_result = (ld_pause &
  3327. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3328. pause_result |= (lp_pause &
  3329. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3330. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
  3331. pause_result);
  3332. bnx2x_pause_resolve(vars, pause_result);
  3333. }
  3334. return ret;
  3335. }
  3336. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  3337. struct bnx2x_phy *phy,
  3338. struct link_vars *vars)
  3339. {
  3340. u16 val;
  3341. bnx2x_cl45_read(bp, phy,
  3342. MDIO_AN_DEVAD,
  3343. MDIO_AN_REG_STATUS, &val);
  3344. bnx2x_cl45_read(bp, phy,
  3345. MDIO_AN_DEVAD,
  3346. MDIO_AN_REG_STATUS, &val);
  3347. if (val & (1<<5))
  3348. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  3349. if ((val & (1<<0)) == 0)
  3350. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  3351. }
  3352. /******************************************************************/
  3353. /* common BCM8073/BCM8727 PHY SECTION */
  3354. /******************************************************************/
  3355. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  3356. struct link_params *params,
  3357. struct link_vars *vars)
  3358. {
  3359. struct bnx2x *bp = params->bp;
  3360. if (phy->req_line_speed == SPEED_10 ||
  3361. phy->req_line_speed == SPEED_100) {
  3362. vars->flow_ctrl = phy->req_flow_ctrl;
  3363. return;
  3364. }
  3365. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  3366. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  3367. u16 pause_result;
  3368. u16 ld_pause; /* local */
  3369. u16 lp_pause; /* link partner */
  3370. bnx2x_cl45_read(bp, phy,
  3371. MDIO_AN_DEVAD,
  3372. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3373. bnx2x_cl45_read(bp, phy,
  3374. MDIO_AN_DEVAD,
  3375. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3376. pause_result = (ld_pause &
  3377. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  3378. pause_result |= (lp_pause &
  3379. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  3380. bnx2x_pause_resolve(vars, pause_result);
  3381. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  3382. pause_result);
  3383. }
  3384. }
  3385. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  3386. struct bnx2x_phy *phy,
  3387. u8 port)
  3388. {
  3389. u32 count = 0;
  3390. u16 fw_ver1, fw_msgout;
  3391. int rc = 0;
  3392. /* Boot port from external ROM */
  3393. /* EDC grst */
  3394. bnx2x_cl45_write(bp, phy,
  3395. MDIO_PMA_DEVAD,
  3396. MDIO_PMA_REG_GEN_CTRL,
  3397. 0x0001);
  3398. /* ucode reboot and rst */
  3399. bnx2x_cl45_write(bp, phy,
  3400. MDIO_PMA_DEVAD,
  3401. MDIO_PMA_REG_GEN_CTRL,
  3402. 0x008c);
  3403. bnx2x_cl45_write(bp, phy,
  3404. MDIO_PMA_DEVAD,
  3405. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  3406. /* Reset internal microprocessor */
  3407. bnx2x_cl45_write(bp, phy,
  3408. MDIO_PMA_DEVAD,
  3409. MDIO_PMA_REG_GEN_CTRL,
  3410. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  3411. /* Release srst bit */
  3412. bnx2x_cl45_write(bp, phy,
  3413. MDIO_PMA_DEVAD,
  3414. MDIO_PMA_REG_GEN_CTRL,
  3415. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  3416. /* Delay 100ms per the PHY specifications */
  3417. msleep(100);
  3418. /* 8073 sometimes taking longer to download */
  3419. do {
  3420. count++;
  3421. if (count > 300) {
  3422. DP(NETIF_MSG_LINK,
  3423. "bnx2x_8073_8727_external_rom_boot port %x:"
  3424. "Download failed. fw version = 0x%x\n",
  3425. port, fw_ver1);
  3426. rc = -EINVAL;
  3427. break;
  3428. }
  3429. bnx2x_cl45_read(bp, phy,
  3430. MDIO_PMA_DEVAD,
  3431. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  3432. bnx2x_cl45_read(bp, phy,
  3433. MDIO_PMA_DEVAD,
  3434. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  3435. msleep(1);
  3436. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  3437. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  3438. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  3439. /* Clear ser_boot_ctl bit */
  3440. bnx2x_cl45_write(bp, phy,
  3441. MDIO_PMA_DEVAD,
  3442. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  3443. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  3444. DP(NETIF_MSG_LINK,
  3445. "bnx2x_8073_8727_external_rom_boot port %x:"
  3446. "Download complete. fw version = 0x%x\n",
  3447. port, fw_ver1);
  3448. return rc;
  3449. }
  3450. /******************************************************************/
  3451. /* BCM8073 PHY SECTION */
  3452. /******************************************************************/
  3453. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  3454. {
  3455. /* This is only required for 8073A1, version 102 only */
  3456. u16 val;
  3457. /* Read 8073 HW revision*/
  3458. bnx2x_cl45_read(bp, phy,
  3459. MDIO_PMA_DEVAD,
  3460. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3461. if (val != 1) {
  3462. /* No need to workaround in 8073 A1 */
  3463. return 0;
  3464. }
  3465. bnx2x_cl45_read(bp, phy,
  3466. MDIO_PMA_DEVAD,
  3467. MDIO_PMA_REG_ROM_VER2, &val);
  3468. /* SNR should be applied only for version 0x102 */
  3469. if (val != 0x102)
  3470. return 0;
  3471. return 1;
  3472. }
  3473. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  3474. {
  3475. u16 val, cnt, cnt1 ;
  3476. bnx2x_cl45_read(bp, phy,
  3477. MDIO_PMA_DEVAD,
  3478. MDIO_PMA_REG_8073_CHIP_REV, &val);
  3479. if (val > 0) {
  3480. /* No need to workaround in 8073 A1 */
  3481. return 0;
  3482. }
  3483. /* XAUI workaround in 8073 A0: */
  3484. /*
  3485. * After loading the boot ROM and restarting Autoneg, poll
  3486. * Dev1, Reg $C820:
  3487. */
  3488. for (cnt = 0; cnt < 1000; cnt++) {
  3489. bnx2x_cl45_read(bp, phy,
  3490. MDIO_PMA_DEVAD,
  3491. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3492. &val);
  3493. /*
  3494. * If bit [14] = 0 or bit [13] = 0, continue on with
  3495. * system initialization (XAUI work-around not required, as
  3496. * these bits indicate 2.5G or 1G link up).
  3497. */
  3498. if (!(val & (1<<14)) || !(val & (1<<13))) {
  3499. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  3500. return 0;
  3501. } else if (!(val & (1<<15))) {
  3502. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  3503. /*
  3504. * If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  3505. * MSB (bit15) goes to 1 (indicating that the XAUI
  3506. * workaround has completed), then continue on with
  3507. * system initialization.
  3508. */
  3509. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  3510. bnx2x_cl45_read(bp, phy,
  3511. MDIO_PMA_DEVAD,
  3512. MDIO_PMA_REG_8073_XAUI_WA, &val);
  3513. if (val & (1<<15)) {
  3514. DP(NETIF_MSG_LINK,
  3515. "XAUI workaround has completed\n");
  3516. return 0;
  3517. }
  3518. msleep(3);
  3519. }
  3520. break;
  3521. }
  3522. msleep(3);
  3523. }
  3524. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  3525. return -EINVAL;
  3526. }
  3527. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  3528. {
  3529. /* Force KR or KX */
  3530. bnx2x_cl45_write(bp, phy,
  3531. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  3532. bnx2x_cl45_write(bp, phy,
  3533. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  3534. bnx2x_cl45_write(bp, phy,
  3535. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  3536. bnx2x_cl45_write(bp, phy,
  3537. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  3538. }
  3539. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  3540. struct bnx2x_phy *phy,
  3541. struct link_vars *vars)
  3542. {
  3543. u16 cl37_val;
  3544. struct bnx2x *bp = params->bp;
  3545. bnx2x_cl45_read(bp, phy,
  3546. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  3547. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3548. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3549. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3550. if ((vars->ieee_fc &
  3551. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  3552. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  3553. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  3554. }
  3555. if ((vars->ieee_fc &
  3556. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3557. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3558. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3559. }
  3560. if ((vars->ieee_fc &
  3561. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3562. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3563. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3564. }
  3565. DP(NETIF_MSG_LINK,
  3566. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  3567. bnx2x_cl45_write(bp, phy,
  3568. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  3569. msleep(500);
  3570. }
  3571. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  3572. struct link_params *params,
  3573. struct link_vars *vars)
  3574. {
  3575. struct bnx2x *bp = params->bp;
  3576. u16 val = 0, tmp1;
  3577. u8 gpio_port;
  3578. DP(NETIF_MSG_LINK, "Init 8073\n");
  3579. if (CHIP_IS_E2(bp))
  3580. gpio_port = BP_PATH(bp);
  3581. else
  3582. gpio_port = params->port;
  3583. /* Restore normal power mode*/
  3584. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3585. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3586. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  3587. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  3588. /* enable LASI */
  3589. bnx2x_cl45_write(bp, phy,
  3590. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
  3591. bnx2x_cl45_write(bp, phy,
  3592. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
  3593. bnx2x_8073_set_pause_cl37(params, phy, vars);
  3594. bnx2x_cl45_read(bp, phy,
  3595. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  3596. bnx2x_cl45_read(bp, phy,
  3597. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  3598. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  3599. /* Swap polarity if required - Must be done only in non-1G mode */
  3600. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3601. /* Configure the 8073 to swap _P and _N of the KR lines */
  3602. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  3603. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  3604. bnx2x_cl45_read(bp, phy,
  3605. MDIO_PMA_DEVAD,
  3606. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  3607. bnx2x_cl45_write(bp, phy,
  3608. MDIO_PMA_DEVAD,
  3609. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  3610. (val | (3<<9)));
  3611. }
  3612. /* Enable CL37 BAM */
  3613. if (REG_RD(bp, params->shmem_base +
  3614. offsetof(struct shmem_region, dev_info.
  3615. port_hw_config[params->port].default_cfg)) &
  3616. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3617. bnx2x_cl45_read(bp, phy,
  3618. MDIO_AN_DEVAD,
  3619. MDIO_AN_REG_8073_BAM, &val);
  3620. bnx2x_cl45_write(bp, phy,
  3621. MDIO_AN_DEVAD,
  3622. MDIO_AN_REG_8073_BAM, val | 1);
  3623. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3624. }
  3625. if (params->loopback_mode == LOOPBACK_EXT) {
  3626. bnx2x_807x_force_10G(bp, phy);
  3627. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  3628. return 0;
  3629. } else {
  3630. bnx2x_cl45_write(bp, phy,
  3631. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  3632. }
  3633. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  3634. if (phy->req_line_speed == SPEED_10000) {
  3635. val = (1<<7);
  3636. } else if (phy->req_line_speed == SPEED_2500) {
  3637. val = (1<<5);
  3638. /*
  3639. * Note that 2.5G works only when used with 1G
  3640. * advertisement
  3641. */
  3642. } else
  3643. val = (1<<5);
  3644. } else {
  3645. val = 0;
  3646. if (phy->speed_cap_mask &
  3647. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  3648. val |= (1<<7);
  3649. /* Note that 2.5G works only when used with 1G advertisement */
  3650. if (phy->speed_cap_mask &
  3651. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  3652. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  3653. val |= (1<<5);
  3654. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  3655. }
  3656. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  3657. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  3658. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  3659. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  3660. (phy->req_line_speed == SPEED_2500)) {
  3661. u16 phy_ver;
  3662. /* Allow 2.5G for A1 and above */
  3663. bnx2x_cl45_read(bp, phy,
  3664. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  3665. &phy_ver);
  3666. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  3667. if (phy_ver > 0)
  3668. tmp1 |= 1;
  3669. else
  3670. tmp1 &= 0xfffe;
  3671. } else {
  3672. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  3673. tmp1 &= 0xfffe;
  3674. }
  3675. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  3676. /* Add support for CL37 (passive mode) II */
  3677. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  3678. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  3679. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  3680. 0x20 : 0x40)));
  3681. /* Add support for CL37 (passive mode) III */
  3682. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  3683. /*
  3684. * The SNR will improve about 2db by changing BW and FEE main
  3685. * tap. Rest commands are executed after link is up
  3686. * Change FFE main cursor to 5 in EDC register
  3687. */
  3688. if (bnx2x_8073_is_snr_needed(bp, phy))
  3689. bnx2x_cl45_write(bp, phy,
  3690. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  3691. 0xFB0C);
  3692. /* Enable FEC (Forware Error Correction) Request in the AN */
  3693. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  3694. tmp1 |= (1<<15);
  3695. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  3696. bnx2x_ext_phy_set_pause(params, phy, vars);
  3697. /* Restart autoneg */
  3698. msleep(500);
  3699. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  3700. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  3701. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  3702. return 0;
  3703. }
  3704. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  3705. struct link_params *params,
  3706. struct link_vars *vars)
  3707. {
  3708. struct bnx2x *bp = params->bp;
  3709. u8 link_up = 0;
  3710. u16 val1, val2;
  3711. u16 link_status = 0;
  3712. u16 an1000_status = 0;
  3713. bnx2x_cl45_read(bp, phy,
  3714. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  3715. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  3716. /* clear the interrupt LASI status register */
  3717. bnx2x_cl45_read(bp, phy,
  3718. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3719. bnx2x_cl45_read(bp, phy,
  3720. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  3721. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  3722. /* Clear MSG-OUT */
  3723. bnx2x_cl45_read(bp, phy,
  3724. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  3725. /* Check the LASI */
  3726. bnx2x_cl45_read(bp, phy,
  3727. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  3728. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  3729. /* Check the link status */
  3730. bnx2x_cl45_read(bp, phy,
  3731. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  3732. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  3733. bnx2x_cl45_read(bp, phy,
  3734. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3735. bnx2x_cl45_read(bp, phy,
  3736. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3737. link_up = ((val1 & 4) == 4);
  3738. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  3739. if (link_up &&
  3740. ((phy->req_line_speed != SPEED_10000))) {
  3741. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  3742. return 0;
  3743. }
  3744. bnx2x_cl45_read(bp, phy,
  3745. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3746. bnx2x_cl45_read(bp, phy,
  3747. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  3748. /* Check the link status on 1.1.2 */
  3749. bnx2x_cl45_read(bp, phy,
  3750. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  3751. bnx2x_cl45_read(bp, phy,
  3752. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  3753. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  3754. "an_link_status=0x%x\n", val2, val1, an1000_status);
  3755. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  3756. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  3757. /*
  3758. * The SNR will improve about 2dbby changing the BW and FEE main
  3759. * tap. The 1st write to change FFE main tap is set before
  3760. * restart AN. Change PLL Bandwidth in EDC register
  3761. */
  3762. bnx2x_cl45_write(bp, phy,
  3763. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  3764. 0x26BC);
  3765. /* Change CDR Bandwidth in EDC register */
  3766. bnx2x_cl45_write(bp, phy,
  3767. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  3768. 0x0333);
  3769. }
  3770. bnx2x_cl45_read(bp, phy,
  3771. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  3772. &link_status);
  3773. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  3774. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  3775. link_up = 1;
  3776. vars->line_speed = SPEED_10000;
  3777. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  3778. params->port);
  3779. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  3780. link_up = 1;
  3781. vars->line_speed = SPEED_2500;
  3782. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  3783. params->port);
  3784. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  3785. link_up = 1;
  3786. vars->line_speed = SPEED_1000;
  3787. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  3788. params->port);
  3789. } else {
  3790. link_up = 0;
  3791. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  3792. params->port);
  3793. }
  3794. if (link_up) {
  3795. /* Swap polarity if required */
  3796. if (params->lane_config &
  3797. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  3798. /* Configure the 8073 to swap P and N of the KR lines */
  3799. bnx2x_cl45_read(bp, phy,
  3800. MDIO_XS_DEVAD,
  3801. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  3802. /*
  3803. * Set bit 3 to invert Rx in 1G mode and clear this bit
  3804. * when it`s in 10G mode.
  3805. */
  3806. if (vars->line_speed == SPEED_1000) {
  3807. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  3808. "the 8073\n");
  3809. val1 |= (1<<3);
  3810. } else
  3811. val1 &= ~(1<<3);
  3812. bnx2x_cl45_write(bp, phy,
  3813. MDIO_XS_DEVAD,
  3814. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  3815. val1);
  3816. }
  3817. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  3818. bnx2x_8073_resolve_fc(phy, params, vars);
  3819. vars->duplex = DUPLEX_FULL;
  3820. }
  3821. return link_up;
  3822. }
  3823. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  3824. struct link_params *params)
  3825. {
  3826. struct bnx2x *bp = params->bp;
  3827. u8 gpio_port;
  3828. if (CHIP_IS_E2(bp))
  3829. gpio_port = BP_PATH(bp);
  3830. else
  3831. gpio_port = params->port;
  3832. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  3833. gpio_port);
  3834. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3835. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  3836. gpio_port);
  3837. }
  3838. /******************************************************************/
  3839. /* BCM8705 PHY SECTION */
  3840. /******************************************************************/
  3841. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  3842. struct link_params *params,
  3843. struct link_vars *vars)
  3844. {
  3845. struct bnx2x *bp = params->bp;
  3846. DP(NETIF_MSG_LINK, "init 8705\n");
  3847. /* Restore normal power mode*/
  3848. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  3849. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  3850. /* HW reset */
  3851. bnx2x_ext_phy_hw_reset(bp, params->port);
  3852. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  3853. bnx2x_wait_reset_complete(bp, phy, params);
  3854. bnx2x_cl45_write(bp, phy,
  3855. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  3856. bnx2x_cl45_write(bp, phy,
  3857. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  3858. bnx2x_cl45_write(bp, phy,
  3859. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  3860. bnx2x_cl45_write(bp, phy,
  3861. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  3862. /* BCM8705 doesn't have microcode, hence the 0 */
  3863. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  3864. return 0;
  3865. }
  3866. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  3867. struct link_params *params,
  3868. struct link_vars *vars)
  3869. {
  3870. u8 link_up = 0;
  3871. u16 val1, rx_sd;
  3872. struct bnx2x *bp = params->bp;
  3873. DP(NETIF_MSG_LINK, "read status 8705\n");
  3874. bnx2x_cl45_read(bp, phy,
  3875. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3876. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3877. bnx2x_cl45_read(bp, phy,
  3878. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  3879. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  3880. bnx2x_cl45_read(bp, phy,
  3881. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  3882. bnx2x_cl45_read(bp, phy,
  3883. MDIO_PMA_DEVAD, 0xc809, &val1);
  3884. bnx2x_cl45_read(bp, phy,
  3885. MDIO_PMA_DEVAD, 0xc809, &val1);
  3886. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  3887. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  3888. if (link_up) {
  3889. vars->line_speed = SPEED_10000;
  3890. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  3891. }
  3892. return link_up;
  3893. }
  3894. /******************************************************************/
  3895. /* SFP+ module Section */
  3896. /******************************************************************/
  3897. static u8 bnx2x_get_gpio_port(struct link_params *params)
  3898. {
  3899. u8 gpio_port;
  3900. u32 swap_val, swap_override;
  3901. struct bnx2x *bp = params->bp;
  3902. if (CHIP_IS_E2(bp))
  3903. gpio_port = BP_PATH(bp);
  3904. else
  3905. gpio_port = params->port;
  3906. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  3907. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  3908. return gpio_port ^ (swap_val && swap_override);
  3909. }
  3910. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  3911. struct bnx2x_phy *phy,
  3912. u8 tx_en)
  3913. {
  3914. u16 val;
  3915. u8 port = params->port;
  3916. struct bnx2x *bp = params->bp;
  3917. u32 tx_en_mode;
  3918. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  3919. tx_en_mode = REG_RD(bp, params->shmem_base +
  3920. offsetof(struct shmem_region,
  3921. dev_info.port_hw_config[port].sfp_ctrl)) &
  3922. PORT_HW_CFG_TX_LASER_MASK;
  3923. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  3924. "mode = %x\n", tx_en, port, tx_en_mode);
  3925. switch (tx_en_mode) {
  3926. case PORT_HW_CFG_TX_LASER_MDIO:
  3927. bnx2x_cl45_read(bp, phy,
  3928. MDIO_PMA_DEVAD,
  3929. MDIO_PMA_REG_PHY_IDENTIFIER,
  3930. &val);
  3931. if (tx_en)
  3932. val &= ~(1<<15);
  3933. else
  3934. val |= (1<<15);
  3935. bnx2x_cl45_write(bp, phy,
  3936. MDIO_PMA_DEVAD,
  3937. MDIO_PMA_REG_PHY_IDENTIFIER,
  3938. val);
  3939. break;
  3940. case PORT_HW_CFG_TX_LASER_GPIO0:
  3941. case PORT_HW_CFG_TX_LASER_GPIO1:
  3942. case PORT_HW_CFG_TX_LASER_GPIO2:
  3943. case PORT_HW_CFG_TX_LASER_GPIO3:
  3944. {
  3945. u16 gpio_pin;
  3946. u8 gpio_port, gpio_mode;
  3947. if (tx_en)
  3948. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  3949. else
  3950. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  3951. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  3952. gpio_port = bnx2x_get_gpio_port(params);
  3953. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  3954. break;
  3955. }
  3956. default:
  3957. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  3958. break;
  3959. }
  3960. }
  3961. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  3962. struct link_params *params,
  3963. u16 addr, u8 byte_cnt, u8 *o_buf)
  3964. {
  3965. struct bnx2x *bp = params->bp;
  3966. u16 val = 0;
  3967. u16 i;
  3968. if (byte_cnt > 16) {
  3969. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  3970. " is limited to 0xf\n");
  3971. return -EINVAL;
  3972. }
  3973. /* Set the read command byte count */
  3974. bnx2x_cl45_write(bp, phy,
  3975. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  3976. (byte_cnt | 0xa000));
  3977. /* Set the read command address */
  3978. bnx2x_cl45_write(bp, phy,
  3979. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  3980. addr);
  3981. /* Activate read command */
  3982. bnx2x_cl45_write(bp, phy,
  3983. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  3984. 0x2c0f);
  3985. /* Wait up to 500us for command complete status */
  3986. for (i = 0; i < 100; i++) {
  3987. bnx2x_cl45_read(bp, phy,
  3988. MDIO_PMA_DEVAD,
  3989. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  3990. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  3991. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  3992. break;
  3993. udelay(5);
  3994. }
  3995. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  3996. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  3997. DP(NETIF_MSG_LINK,
  3998. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  3999. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4000. return -EINVAL;
  4001. }
  4002. /* Read the buffer */
  4003. for (i = 0; i < byte_cnt; i++) {
  4004. bnx2x_cl45_read(bp, phy,
  4005. MDIO_PMA_DEVAD,
  4006. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  4007. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  4008. }
  4009. for (i = 0; i < 100; i++) {
  4010. bnx2x_cl45_read(bp, phy,
  4011. MDIO_PMA_DEVAD,
  4012. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4013. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4014. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4015. return 0;
  4016. msleep(1);
  4017. }
  4018. return -EINVAL;
  4019. }
  4020. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4021. struct link_params *params,
  4022. u16 addr, u8 byte_cnt, u8 *o_buf)
  4023. {
  4024. struct bnx2x *bp = params->bp;
  4025. u16 val, i;
  4026. if (byte_cnt > 16) {
  4027. DP(NETIF_MSG_LINK, "Reading from eeprom is"
  4028. " is limited to 0xf\n");
  4029. return -EINVAL;
  4030. }
  4031. /* Need to read from 1.8000 to clear it */
  4032. bnx2x_cl45_read(bp, phy,
  4033. MDIO_PMA_DEVAD,
  4034. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4035. &val);
  4036. /* Set the read command byte count */
  4037. bnx2x_cl45_write(bp, phy,
  4038. MDIO_PMA_DEVAD,
  4039. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  4040. ((byte_cnt < 2) ? 2 : byte_cnt));
  4041. /* Set the read command address */
  4042. bnx2x_cl45_write(bp, phy,
  4043. MDIO_PMA_DEVAD,
  4044. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  4045. addr);
  4046. /* Set the destination address */
  4047. bnx2x_cl45_write(bp, phy,
  4048. MDIO_PMA_DEVAD,
  4049. 0x8004,
  4050. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  4051. /* Activate read command */
  4052. bnx2x_cl45_write(bp, phy,
  4053. MDIO_PMA_DEVAD,
  4054. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  4055. 0x8002);
  4056. /*
  4057. * Wait appropriate time for two-wire command to finish before
  4058. * polling the status register
  4059. */
  4060. msleep(1);
  4061. /* Wait up to 500us for command complete status */
  4062. for (i = 0; i < 100; i++) {
  4063. bnx2x_cl45_read(bp, phy,
  4064. MDIO_PMA_DEVAD,
  4065. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4066. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4067. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  4068. break;
  4069. udelay(5);
  4070. }
  4071. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  4072. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  4073. DP(NETIF_MSG_LINK,
  4074. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  4075. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  4076. return -EFAULT;
  4077. }
  4078. /* Read the buffer */
  4079. for (i = 0; i < byte_cnt; i++) {
  4080. bnx2x_cl45_read(bp, phy,
  4081. MDIO_PMA_DEVAD,
  4082. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  4083. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  4084. }
  4085. for (i = 0; i < 100; i++) {
  4086. bnx2x_cl45_read(bp, phy,
  4087. MDIO_PMA_DEVAD,
  4088. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  4089. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  4090. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  4091. return 0;
  4092. msleep(1);
  4093. }
  4094. return -EINVAL;
  4095. }
  4096. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  4097. struct link_params *params, u16 addr,
  4098. u8 byte_cnt, u8 *o_buf)
  4099. {
  4100. int rc = -EINVAL;
  4101. switch (phy->type) {
  4102. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4103. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  4104. byte_cnt, o_buf);
  4105. break;
  4106. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4107. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4108. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  4109. byte_cnt, o_buf);
  4110. break;
  4111. }
  4112. return rc;
  4113. }
  4114. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  4115. struct link_params *params,
  4116. u16 *edc_mode)
  4117. {
  4118. struct bnx2x *bp = params->bp;
  4119. u32 sync_offset = 0, phy_idx, media_types;
  4120. u8 val, check_limiting_mode = 0;
  4121. *edc_mode = EDC_MODE_LIMITING;
  4122. phy->media_type = ETH_PHY_UNSPECIFIED;
  4123. /* First check for copper cable */
  4124. if (bnx2x_read_sfp_module_eeprom(phy,
  4125. params,
  4126. SFP_EEPROM_CON_TYPE_ADDR,
  4127. 1,
  4128. &val) != 0) {
  4129. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  4130. return -EINVAL;
  4131. }
  4132. switch (val) {
  4133. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  4134. {
  4135. u8 copper_module_type;
  4136. phy->media_type = ETH_PHY_DA_TWINAX;
  4137. /*
  4138. * Check if its active cable (includes SFP+ module)
  4139. * of passive cable
  4140. */
  4141. if (bnx2x_read_sfp_module_eeprom(phy,
  4142. params,
  4143. SFP_EEPROM_FC_TX_TECH_ADDR,
  4144. 1,
  4145. &copper_module_type) !=
  4146. 0) {
  4147. DP(NETIF_MSG_LINK,
  4148. "Failed to read copper-cable-type"
  4149. " from SFP+ EEPROM\n");
  4150. return -EINVAL;
  4151. }
  4152. if (copper_module_type &
  4153. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  4154. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  4155. check_limiting_mode = 1;
  4156. } else if (copper_module_type &
  4157. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  4158. DP(NETIF_MSG_LINK, "Passive Copper"
  4159. " cable detected\n");
  4160. *edc_mode =
  4161. EDC_MODE_PASSIVE_DAC;
  4162. } else {
  4163. DP(NETIF_MSG_LINK, "Unknown copper-cable-"
  4164. "type 0x%x !!!\n", copper_module_type);
  4165. return -EINVAL;
  4166. }
  4167. break;
  4168. }
  4169. case SFP_EEPROM_CON_TYPE_VAL_LC:
  4170. phy->media_type = ETH_PHY_SFP_FIBER;
  4171. DP(NETIF_MSG_LINK, "Optic module detected\n");
  4172. check_limiting_mode = 1;
  4173. break;
  4174. default:
  4175. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  4176. val);
  4177. return -EINVAL;
  4178. }
  4179. sync_offset = params->shmem_base +
  4180. offsetof(struct shmem_region,
  4181. dev_info.port_hw_config[params->port].media_type);
  4182. media_types = REG_RD(bp, sync_offset);
  4183. /* Update media type for non-PMF sync */
  4184. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  4185. if (&(params->phy[phy_idx]) == phy) {
  4186. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  4187. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4188. media_types |= ((phy->media_type &
  4189. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  4190. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  4191. break;
  4192. }
  4193. }
  4194. REG_WR(bp, sync_offset, media_types);
  4195. if (check_limiting_mode) {
  4196. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  4197. if (bnx2x_read_sfp_module_eeprom(phy,
  4198. params,
  4199. SFP_EEPROM_OPTIONS_ADDR,
  4200. SFP_EEPROM_OPTIONS_SIZE,
  4201. options) != 0) {
  4202. DP(NETIF_MSG_LINK, "Failed to read Option"
  4203. " field from module EEPROM\n");
  4204. return -EINVAL;
  4205. }
  4206. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  4207. *edc_mode = EDC_MODE_LINEAR;
  4208. else
  4209. *edc_mode = EDC_MODE_LIMITING;
  4210. }
  4211. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  4212. return 0;
  4213. }
  4214. /*
  4215. * This function read the relevant field from the module (SFP+), and verify it
  4216. * is compliant with this board
  4217. */
  4218. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  4219. struct link_params *params)
  4220. {
  4221. struct bnx2x *bp = params->bp;
  4222. u32 val, cmd;
  4223. u32 fw_resp, fw_cmd_param;
  4224. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  4225. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  4226. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  4227. val = REG_RD(bp, params->shmem_base +
  4228. offsetof(struct shmem_region, dev_info.
  4229. port_feature_config[params->port].config));
  4230. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4231. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  4232. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  4233. return 0;
  4234. }
  4235. if (params->feature_config_flags &
  4236. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  4237. /* Use specific phy request */
  4238. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  4239. } else if (params->feature_config_flags &
  4240. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  4241. /* Use first phy request only in case of non-dual media*/
  4242. if (DUAL_MEDIA(params)) {
  4243. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4244. "verification\n");
  4245. return -EINVAL;
  4246. }
  4247. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  4248. } else {
  4249. /* No support in OPT MDL detection */
  4250. DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
  4251. "verification\n");
  4252. return -EINVAL;
  4253. }
  4254. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  4255. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  4256. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  4257. DP(NETIF_MSG_LINK, "Approved module\n");
  4258. return 0;
  4259. }
  4260. /* format the warning message */
  4261. if (bnx2x_read_sfp_module_eeprom(phy,
  4262. params,
  4263. SFP_EEPROM_VENDOR_NAME_ADDR,
  4264. SFP_EEPROM_VENDOR_NAME_SIZE,
  4265. (u8 *)vendor_name))
  4266. vendor_name[0] = '\0';
  4267. else
  4268. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  4269. if (bnx2x_read_sfp_module_eeprom(phy,
  4270. params,
  4271. SFP_EEPROM_PART_NO_ADDR,
  4272. SFP_EEPROM_PART_NO_SIZE,
  4273. (u8 *)vendor_pn))
  4274. vendor_pn[0] = '\0';
  4275. else
  4276. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  4277. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  4278. " Port %d from %s part number %s\n",
  4279. params->port, vendor_name, vendor_pn);
  4280. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  4281. return -EINVAL;
  4282. }
  4283. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  4284. struct link_params *params)
  4285. {
  4286. u8 val;
  4287. struct bnx2x *bp = params->bp;
  4288. u16 timeout;
  4289. /*
  4290. * Initialization time after hot-plug may take up to 300ms for
  4291. * some phys type ( e.g. JDSU )
  4292. */
  4293. for (timeout = 0; timeout < 60; timeout++) {
  4294. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  4295. == 0) {
  4296. DP(NETIF_MSG_LINK, "SFP+ module initialization "
  4297. "took %d ms\n", timeout * 5);
  4298. return 0;
  4299. }
  4300. msleep(5);
  4301. }
  4302. return -EINVAL;
  4303. }
  4304. static void bnx2x_8727_power_module(struct bnx2x *bp,
  4305. struct bnx2x_phy *phy,
  4306. u8 is_power_up) {
  4307. /* Make sure GPIOs are not using for LED mode */
  4308. u16 val;
  4309. /*
  4310. * In the GPIO register, bit 4 is use to determine if the GPIOs are
  4311. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  4312. * output
  4313. * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
  4314. * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
  4315. * where the 1st bit is the over-current(only input), and 2nd bit is
  4316. * for power( only output )
  4317. *
  4318. * In case of NOC feature is disabled and power is up, set GPIO control
  4319. * as input to enable listening of over-current indication
  4320. */
  4321. if (phy->flags & FLAGS_NOC)
  4322. return;
  4323. if (!(phy->flags &
  4324. FLAGS_NOC) && is_power_up)
  4325. val = (1<<4);
  4326. else
  4327. /*
  4328. * Set GPIO control to OUTPUT, and set the power bit
  4329. * to according to the is_power_up
  4330. */
  4331. val = ((!(is_power_up)) << 1);
  4332. bnx2x_cl45_write(bp, phy,
  4333. MDIO_PMA_DEVAD,
  4334. MDIO_PMA_REG_8727_GPIO_CTRL,
  4335. val);
  4336. }
  4337. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  4338. struct bnx2x_phy *phy,
  4339. u16 edc_mode)
  4340. {
  4341. u16 cur_limiting_mode;
  4342. bnx2x_cl45_read(bp, phy,
  4343. MDIO_PMA_DEVAD,
  4344. MDIO_PMA_REG_ROM_VER2,
  4345. &cur_limiting_mode);
  4346. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  4347. cur_limiting_mode);
  4348. if (edc_mode == EDC_MODE_LIMITING) {
  4349. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  4350. bnx2x_cl45_write(bp, phy,
  4351. MDIO_PMA_DEVAD,
  4352. MDIO_PMA_REG_ROM_VER2,
  4353. EDC_MODE_LIMITING);
  4354. } else { /* LRM mode ( default )*/
  4355. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  4356. /*
  4357. * Changing to LRM mode takes quite few seconds. So do it only
  4358. * if current mode is limiting (default is LRM)
  4359. */
  4360. if (cur_limiting_mode != EDC_MODE_LIMITING)
  4361. return 0;
  4362. bnx2x_cl45_write(bp, phy,
  4363. MDIO_PMA_DEVAD,
  4364. MDIO_PMA_REG_LRM_MODE,
  4365. 0);
  4366. bnx2x_cl45_write(bp, phy,
  4367. MDIO_PMA_DEVAD,
  4368. MDIO_PMA_REG_ROM_VER2,
  4369. 0x128);
  4370. bnx2x_cl45_write(bp, phy,
  4371. MDIO_PMA_DEVAD,
  4372. MDIO_PMA_REG_MISC_CTRL0,
  4373. 0x4008);
  4374. bnx2x_cl45_write(bp, phy,
  4375. MDIO_PMA_DEVAD,
  4376. MDIO_PMA_REG_LRM_MODE,
  4377. 0xaaaa);
  4378. }
  4379. return 0;
  4380. }
  4381. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  4382. struct bnx2x_phy *phy,
  4383. u16 edc_mode)
  4384. {
  4385. u16 phy_identifier;
  4386. u16 rom_ver2_val;
  4387. bnx2x_cl45_read(bp, phy,
  4388. MDIO_PMA_DEVAD,
  4389. MDIO_PMA_REG_PHY_IDENTIFIER,
  4390. &phy_identifier);
  4391. bnx2x_cl45_write(bp, phy,
  4392. MDIO_PMA_DEVAD,
  4393. MDIO_PMA_REG_PHY_IDENTIFIER,
  4394. (phy_identifier & ~(1<<9)));
  4395. bnx2x_cl45_read(bp, phy,
  4396. MDIO_PMA_DEVAD,
  4397. MDIO_PMA_REG_ROM_VER2,
  4398. &rom_ver2_val);
  4399. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  4400. bnx2x_cl45_write(bp, phy,
  4401. MDIO_PMA_DEVAD,
  4402. MDIO_PMA_REG_ROM_VER2,
  4403. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  4404. bnx2x_cl45_write(bp, phy,
  4405. MDIO_PMA_DEVAD,
  4406. MDIO_PMA_REG_PHY_IDENTIFIER,
  4407. (phy_identifier | (1<<9)));
  4408. return 0;
  4409. }
  4410. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  4411. struct link_params *params,
  4412. u32 action)
  4413. {
  4414. struct bnx2x *bp = params->bp;
  4415. switch (action) {
  4416. case DISABLE_TX:
  4417. bnx2x_sfp_set_transmitter(params, phy, 0);
  4418. break;
  4419. case ENABLE_TX:
  4420. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  4421. bnx2x_sfp_set_transmitter(params, phy, 1);
  4422. break;
  4423. default:
  4424. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  4425. action);
  4426. return;
  4427. }
  4428. }
  4429. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  4430. u8 gpio_mode)
  4431. {
  4432. struct bnx2x *bp = params->bp;
  4433. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  4434. offsetof(struct shmem_region,
  4435. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  4436. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  4437. switch (fault_led_gpio) {
  4438. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  4439. return;
  4440. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  4441. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  4442. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  4443. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  4444. {
  4445. u8 gpio_port = bnx2x_get_gpio_port(params);
  4446. u16 gpio_pin = fault_led_gpio -
  4447. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  4448. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  4449. "pin %x port %x mode %x\n",
  4450. gpio_pin, gpio_port, gpio_mode);
  4451. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  4452. }
  4453. break;
  4454. default:
  4455. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  4456. fault_led_gpio);
  4457. }
  4458. }
  4459. static void bnx2x_power_sfp_module(struct link_params *params,
  4460. struct bnx2x_phy *phy,
  4461. u8 power)
  4462. {
  4463. struct bnx2x *bp = params->bp;
  4464. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  4465. switch (phy->type) {
  4466. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4467. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4468. bnx2x_8727_power_module(params->bp, phy, power);
  4469. break;
  4470. default:
  4471. break;
  4472. }
  4473. }
  4474. static void bnx2x_set_limiting_mode(struct link_params *params,
  4475. struct bnx2x_phy *phy,
  4476. u16 edc_mode)
  4477. {
  4478. switch (phy->type) {
  4479. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  4480. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  4481. break;
  4482. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  4483. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  4484. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  4485. break;
  4486. }
  4487. }
  4488. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  4489. struct link_params *params)
  4490. {
  4491. struct bnx2x *bp = params->bp;
  4492. u16 edc_mode;
  4493. int rc = 0;
  4494. u32 val = REG_RD(bp, params->shmem_base +
  4495. offsetof(struct shmem_region, dev_info.
  4496. port_feature_config[params->port].config));
  4497. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  4498. params->port);
  4499. /* Power up module */
  4500. bnx2x_power_sfp_module(params, phy, 1);
  4501. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  4502. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  4503. return -EINVAL;
  4504. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  4505. /* check SFP+ module compatibility */
  4506. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  4507. rc = -EINVAL;
  4508. /* Turn on fault module-detected led */
  4509. bnx2x_set_sfp_module_fault_led(params,
  4510. MISC_REGISTERS_GPIO_HIGH);
  4511. /* Check if need to power down the SFP+ module */
  4512. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4513. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  4514. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  4515. bnx2x_power_sfp_module(params, phy, 0);
  4516. return rc;
  4517. }
  4518. } else {
  4519. /* Turn off fault module-detected led */
  4520. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  4521. }
  4522. /*
  4523. * Check and set limiting mode / LRM mode on 8726. On 8727 it
  4524. * is done automatically
  4525. */
  4526. bnx2x_set_limiting_mode(params, phy, edc_mode);
  4527. /*
  4528. * Enable transmit for this module if the module is approved, or
  4529. * if unapproved modules should also enable the Tx laser
  4530. */
  4531. if (rc == 0 ||
  4532. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  4533. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4534. bnx2x_sfp_set_transmitter(params, phy, 1);
  4535. else
  4536. bnx2x_sfp_set_transmitter(params, phy, 0);
  4537. return rc;
  4538. }
  4539. void bnx2x_handle_module_detect_int(struct link_params *params)
  4540. {
  4541. struct bnx2x *bp = params->bp;
  4542. struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
  4543. u32 gpio_val;
  4544. u8 port = params->port;
  4545. /* Set valid module led off */
  4546. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  4547. /* Get current gpio val reflecting module plugged in / out*/
  4548. gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
  4549. /* Call the handling function in case module is detected */
  4550. if (gpio_val == 0) {
  4551. bnx2x_power_sfp_module(params, phy, 1);
  4552. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4553. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  4554. port);
  4555. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  4556. bnx2x_sfp_module_detection(phy, params);
  4557. else
  4558. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  4559. } else {
  4560. u32 val = REG_RD(bp, params->shmem_base +
  4561. offsetof(struct shmem_region, dev_info.
  4562. port_feature_config[params->port].
  4563. config));
  4564. bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
  4565. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  4566. port);
  4567. /*
  4568. * Module was plugged out.
  4569. * Disable transmit for this module
  4570. */
  4571. phy->media_type = ETH_PHY_NOT_PRESENT;
  4572. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  4573. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  4574. bnx2x_sfp_set_transmitter(params, phy, 0);
  4575. }
  4576. }
  4577. /******************************************************************/
  4578. /* Used by 8706 and 8727 */
  4579. /******************************************************************/
  4580. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  4581. struct bnx2x_phy *phy,
  4582. u16 alarm_status_offset,
  4583. u16 alarm_ctrl_offset)
  4584. {
  4585. u16 alarm_status, val;
  4586. bnx2x_cl45_read(bp, phy,
  4587. MDIO_PMA_DEVAD, alarm_status_offset,
  4588. &alarm_status);
  4589. bnx2x_cl45_read(bp, phy,
  4590. MDIO_PMA_DEVAD, alarm_status_offset,
  4591. &alarm_status);
  4592. /* Mask or enable the fault event. */
  4593. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  4594. if (alarm_status & (1<<0))
  4595. val &= ~(1<<0);
  4596. else
  4597. val |= (1<<0);
  4598. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  4599. }
  4600. /******************************************************************/
  4601. /* common BCM8706/BCM8726 PHY SECTION */
  4602. /******************************************************************/
  4603. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  4604. struct link_params *params,
  4605. struct link_vars *vars)
  4606. {
  4607. u8 link_up = 0;
  4608. u16 val1, val2, rx_sd, pcs_status;
  4609. struct bnx2x *bp = params->bp;
  4610. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  4611. /* Clear RX Alarm*/
  4612. bnx2x_cl45_read(bp, phy,
  4613. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
  4614. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  4615. MDIO_PMA_REG_TX_ALARM_CTRL);
  4616. /* clear LASI indication*/
  4617. bnx2x_cl45_read(bp, phy,
  4618. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  4619. bnx2x_cl45_read(bp, phy,
  4620. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  4621. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  4622. bnx2x_cl45_read(bp, phy,
  4623. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  4624. bnx2x_cl45_read(bp, phy,
  4625. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  4626. bnx2x_cl45_read(bp, phy,
  4627. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4628. bnx2x_cl45_read(bp, phy,
  4629. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  4630. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  4631. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  4632. /*
  4633. * link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  4634. * are set, or if the autoneg bit 1 is set
  4635. */
  4636. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  4637. if (link_up) {
  4638. if (val2 & (1<<1))
  4639. vars->line_speed = SPEED_1000;
  4640. else
  4641. vars->line_speed = SPEED_10000;
  4642. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4643. vars->duplex = DUPLEX_FULL;
  4644. }
  4645. /* Capture 10G link fault. Read twice to clear stale value. */
  4646. if (vars->line_speed == SPEED_10000) {
  4647. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4648. MDIO_PMA_REG_TX_ALARM, &val1);
  4649. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  4650. MDIO_PMA_REG_TX_ALARM, &val1);
  4651. if (val1 & (1<<0))
  4652. vars->fault_detected = 1;
  4653. }
  4654. return link_up;
  4655. }
  4656. /******************************************************************/
  4657. /* BCM8706 PHY SECTION */
  4658. /******************************************************************/
  4659. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  4660. struct link_params *params,
  4661. struct link_vars *vars)
  4662. {
  4663. u32 tx_en_mode;
  4664. u16 cnt, val, tmp1;
  4665. struct bnx2x *bp = params->bp;
  4666. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  4667. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  4668. /* HW reset */
  4669. bnx2x_ext_phy_hw_reset(bp, params->port);
  4670. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  4671. bnx2x_wait_reset_complete(bp, phy, params);
  4672. /* Wait until fw is loaded */
  4673. for (cnt = 0; cnt < 100; cnt++) {
  4674. bnx2x_cl45_read(bp, phy,
  4675. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  4676. if (val)
  4677. break;
  4678. msleep(10);
  4679. }
  4680. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  4681. if ((params->feature_config_flags &
  4682. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4683. u8 i;
  4684. u16 reg;
  4685. for (i = 0; i < 4; i++) {
  4686. reg = MDIO_XS_8706_REG_BANK_RX0 +
  4687. i*(MDIO_XS_8706_REG_BANK_RX1 -
  4688. MDIO_XS_8706_REG_BANK_RX0);
  4689. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  4690. /* Clear first 3 bits of the control */
  4691. val &= ~0x7;
  4692. /* Set control bits according to configuration */
  4693. val |= (phy->rx_preemphasis[i] & 0x7);
  4694. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  4695. " reg 0x%x <-- val 0x%x\n", reg, val);
  4696. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  4697. }
  4698. }
  4699. /* Force speed */
  4700. if (phy->req_line_speed == SPEED_10000) {
  4701. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  4702. bnx2x_cl45_write(bp, phy,
  4703. MDIO_PMA_DEVAD,
  4704. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  4705. bnx2x_cl45_write(bp, phy,
  4706. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  4707. 0);
  4708. /* Arm LASI for link and Tx fault. */
  4709. bnx2x_cl45_write(bp, phy,
  4710. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 3);
  4711. } else {
  4712. /* Force 1Gbps using autoneg with 1G advertisement */
  4713. /* Allow CL37 through CL73 */
  4714. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  4715. bnx2x_cl45_write(bp, phy,
  4716. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4717. /* Enable Full-Duplex advertisement on CL37 */
  4718. bnx2x_cl45_write(bp, phy,
  4719. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  4720. /* Enable CL37 AN */
  4721. bnx2x_cl45_write(bp, phy,
  4722. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4723. /* 1G support */
  4724. bnx2x_cl45_write(bp, phy,
  4725. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  4726. /* Enable clause 73 AN */
  4727. bnx2x_cl45_write(bp, phy,
  4728. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4729. bnx2x_cl45_write(bp, phy,
  4730. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4731. 0x0400);
  4732. bnx2x_cl45_write(bp, phy,
  4733. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  4734. 0x0004);
  4735. }
  4736. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4737. /*
  4738. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  4739. * power mode, if TX Laser is disabled
  4740. */
  4741. tx_en_mode = REG_RD(bp, params->shmem_base +
  4742. offsetof(struct shmem_region,
  4743. dev_info.port_hw_config[params->port].sfp_ctrl))
  4744. & PORT_HW_CFG_TX_LASER_MASK;
  4745. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  4746. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  4747. bnx2x_cl45_read(bp, phy,
  4748. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  4749. tmp1 |= 0x1;
  4750. bnx2x_cl45_write(bp, phy,
  4751. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  4752. }
  4753. return 0;
  4754. }
  4755. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  4756. struct link_params *params,
  4757. struct link_vars *vars)
  4758. {
  4759. return bnx2x_8706_8726_read_status(phy, params, vars);
  4760. }
  4761. /******************************************************************/
  4762. /* BCM8726 PHY SECTION */
  4763. /******************************************************************/
  4764. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  4765. struct link_params *params)
  4766. {
  4767. struct bnx2x *bp = params->bp;
  4768. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  4769. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  4770. }
  4771. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  4772. struct link_params *params)
  4773. {
  4774. struct bnx2x *bp = params->bp;
  4775. /* Need to wait 100ms after reset */
  4776. msleep(100);
  4777. /* Micro controller re-boot */
  4778. bnx2x_cl45_write(bp, phy,
  4779. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  4780. /* Set soft reset */
  4781. bnx2x_cl45_write(bp, phy,
  4782. MDIO_PMA_DEVAD,
  4783. MDIO_PMA_REG_GEN_CTRL,
  4784. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  4785. bnx2x_cl45_write(bp, phy,
  4786. MDIO_PMA_DEVAD,
  4787. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  4788. bnx2x_cl45_write(bp, phy,
  4789. MDIO_PMA_DEVAD,
  4790. MDIO_PMA_REG_GEN_CTRL,
  4791. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  4792. /* wait for 150ms for microcode load */
  4793. msleep(150);
  4794. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  4795. bnx2x_cl45_write(bp, phy,
  4796. MDIO_PMA_DEVAD,
  4797. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  4798. msleep(200);
  4799. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  4800. }
  4801. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  4802. struct link_params *params,
  4803. struct link_vars *vars)
  4804. {
  4805. struct bnx2x *bp = params->bp;
  4806. u16 val1;
  4807. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  4808. if (link_up) {
  4809. bnx2x_cl45_read(bp, phy,
  4810. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  4811. &val1);
  4812. if (val1 & (1<<15)) {
  4813. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  4814. link_up = 0;
  4815. vars->line_speed = 0;
  4816. }
  4817. }
  4818. return link_up;
  4819. }
  4820. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  4821. struct link_params *params,
  4822. struct link_vars *vars)
  4823. {
  4824. struct bnx2x *bp = params->bp;
  4825. u32 val;
  4826. u32 swap_val, swap_override, aeu_gpio_mask, offset;
  4827. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  4828. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  4829. bnx2x_wait_reset_complete(bp, phy, params);
  4830. bnx2x_8726_external_rom_boot(phy, params);
  4831. /*
  4832. * Need to call module detected on initialization since the module
  4833. * detection triggered by actual module insertion might occur before
  4834. * driver is loaded, and when driver is loaded, it reset all
  4835. * registers, including the transmitter
  4836. */
  4837. bnx2x_sfp_module_detection(phy, params);
  4838. if (phy->req_line_speed == SPEED_1000) {
  4839. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  4840. bnx2x_cl45_write(bp, phy,
  4841. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  4842. bnx2x_cl45_write(bp, phy,
  4843. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  4844. bnx2x_cl45_write(bp, phy,
  4845. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
  4846. bnx2x_cl45_write(bp, phy,
  4847. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4848. 0x400);
  4849. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4850. (phy->speed_cap_mask &
  4851. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  4852. ((phy->speed_cap_mask &
  4853. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  4854. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4855. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  4856. /* Set Flow control */
  4857. bnx2x_ext_phy_set_pause(params, phy, vars);
  4858. bnx2x_cl45_write(bp, phy,
  4859. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  4860. bnx2x_cl45_write(bp, phy,
  4861. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  4862. bnx2x_cl45_write(bp, phy,
  4863. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  4864. bnx2x_cl45_write(bp, phy,
  4865. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  4866. bnx2x_cl45_write(bp, phy,
  4867. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  4868. /*
  4869. * Enable RX-ALARM control to receive interrupt for 1G speed
  4870. * change
  4871. */
  4872. bnx2x_cl45_write(bp, phy,
  4873. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
  4874. bnx2x_cl45_write(bp, phy,
  4875. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  4876. 0x400);
  4877. } else { /* Default 10G. Set only LASI control */
  4878. bnx2x_cl45_write(bp, phy,
  4879. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
  4880. }
  4881. /* Set TX PreEmphasis if needed */
  4882. if ((params->feature_config_flags &
  4883. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  4884. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
  4885. "TX_CTRL2 0x%x\n",
  4886. phy->tx_preemphasis[0],
  4887. phy->tx_preemphasis[1]);
  4888. bnx2x_cl45_write(bp, phy,
  4889. MDIO_PMA_DEVAD,
  4890. MDIO_PMA_REG_8726_TX_CTRL1,
  4891. phy->tx_preemphasis[0]);
  4892. bnx2x_cl45_write(bp, phy,
  4893. MDIO_PMA_DEVAD,
  4894. MDIO_PMA_REG_8726_TX_CTRL2,
  4895. phy->tx_preemphasis[1]);
  4896. }
  4897. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  4898. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  4899. MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
  4900. /* The GPIO should be swapped if the swap register is set and active */
  4901. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4902. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4903. /* Select function upon port-swap configuration */
  4904. if (params->port == 0) {
  4905. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  4906. aeu_gpio_mask = (swap_val && swap_override) ?
  4907. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
  4908. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
  4909. } else {
  4910. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  4911. aeu_gpio_mask = (swap_val && swap_override) ?
  4912. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
  4913. AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
  4914. }
  4915. val = REG_RD(bp, offset);
  4916. /* add GPIO3 to group */
  4917. val |= aeu_gpio_mask;
  4918. REG_WR(bp, offset, val);
  4919. return 0;
  4920. }
  4921. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  4922. struct link_params *params)
  4923. {
  4924. struct bnx2x *bp = params->bp;
  4925. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  4926. /* Set serial boot control for external load */
  4927. bnx2x_cl45_write(bp, phy,
  4928. MDIO_PMA_DEVAD,
  4929. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  4930. }
  4931. /******************************************************************/
  4932. /* BCM8727 PHY SECTION */
  4933. /******************************************************************/
  4934. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  4935. struct link_params *params, u8 mode)
  4936. {
  4937. struct bnx2x *bp = params->bp;
  4938. u16 led_mode_bitmask = 0;
  4939. u16 gpio_pins_bitmask = 0;
  4940. u16 val;
  4941. /* Only NOC flavor requires to set the LED specifically */
  4942. if (!(phy->flags & FLAGS_NOC))
  4943. return;
  4944. switch (mode) {
  4945. case LED_MODE_FRONT_PANEL_OFF:
  4946. case LED_MODE_OFF:
  4947. led_mode_bitmask = 0;
  4948. gpio_pins_bitmask = 0x03;
  4949. break;
  4950. case LED_MODE_ON:
  4951. led_mode_bitmask = 0;
  4952. gpio_pins_bitmask = 0x02;
  4953. break;
  4954. case LED_MODE_OPER:
  4955. led_mode_bitmask = 0x60;
  4956. gpio_pins_bitmask = 0x11;
  4957. break;
  4958. }
  4959. bnx2x_cl45_read(bp, phy,
  4960. MDIO_PMA_DEVAD,
  4961. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4962. &val);
  4963. val &= 0xff8f;
  4964. val |= led_mode_bitmask;
  4965. bnx2x_cl45_write(bp, phy,
  4966. MDIO_PMA_DEVAD,
  4967. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  4968. val);
  4969. bnx2x_cl45_read(bp, phy,
  4970. MDIO_PMA_DEVAD,
  4971. MDIO_PMA_REG_8727_GPIO_CTRL,
  4972. &val);
  4973. val &= 0xffe0;
  4974. val |= gpio_pins_bitmask;
  4975. bnx2x_cl45_write(bp, phy,
  4976. MDIO_PMA_DEVAD,
  4977. MDIO_PMA_REG_8727_GPIO_CTRL,
  4978. val);
  4979. }
  4980. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  4981. struct link_params *params) {
  4982. u32 swap_val, swap_override;
  4983. u8 port;
  4984. /*
  4985. * The PHY reset is controlled by GPIO 1. Fake the port number
  4986. * to cancel the swap done in set_gpio()
  4987. */
  4988. struct bnx2x *bp = params->bp;
  4989. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  4990. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  4991. port = (swap_val && swap_override) ^ 1;
  4992. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  4993. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  4994. }
  4995. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  4996. struct link_params *params,
  4997. struct link_vars *vars)
  4998. {
  4999. u32 tx_en_mode;
  5000. u16 tmp1, val, mod_abs, tmp2;
  5001. u16 rx_alarm_ctrl_val;
  5002. u16 lasi_ctrl_val;
  5003. struct bnx2x *bp = params->bp;
  5004. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  5005. bnx2x_wait_reset_complete(bp, phy, params);
  5006. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  5007. /* Should be 0x6 to enable XS on Tx side. */
  5008. lasi_ctrl_val = 0x0006;
  5009. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  5010. /* enable LASI */
  5011. bnx2x_cl45_write(bp, phy,
  5012. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5013. rx_alarm_ctrl_val);
  5014. bnx2x_cl45_write(bp, phy,
  5015. MDIO_PMA_DEVAD, MDIO_PMA_REG_TX_ALARM_CTRL,
  5016. 0);
  5017. bnx2x_cl45_write(bp, phy,
  5018. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
  5019. /*
  5020. * Initially configure MOD_ABS to interrupt when module is
  5021. * presence( bit 8)
  5022. */
  5023. bnx2x_cl45_read(bp, phy,
  5024. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5025. /*
  5026. * Set EDC off by setting OPTXLOS signal input to low (bit 9).
  5027. * When the EDC is off it locks onto a reference clock and avoids
  5028. * becoming 'lost'
  5029. */
  5030. mod_abs &= ~(1<<8);
  5031. if (!(phy->flags & FLAGS_NOC))
  5032. mod_abs &= ~(1<<9);
  5033. bnx2x_cl45_write(bp, phy,
  5034. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5035. /* Make MOD_ABS give interrupt on change */
  5036. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  5037. &val);
  5038. val |= (1<<12);
  5039. if (phy->flags & FLAGS_NOC)
  5040. val |= (3<<5);
  5041. /*
  5042. * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  5043. * status which reflect SFP+ module over-current
  5044. */
  5045. if (!(phy->flags & FLAGS_NOC))
  5046. val &= 0xff8f; /* Reset bits 4-6 */
  5047. bnx2x_cl45_write(bp, phy,
  5048. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  5049. bnx2x_8727_power_module(bp, phy, 1);
  5050. bnx2x_cl45_read(bp, phy,
  5051. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  5052. bnx2x_cl45_read(bp, phy,
  5053. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
  5054. /* Set option 1G speed */
  5055. if (phy->req_line_speed == SPEED_1000) {
  5056. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  5057. bnx2x_cl45_write(bp, phy,
  5058. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  5059. bnx2x_cl45_write(bp, phy,
  5060. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  5061. bnx2x_cl45_read(bp, phy,
  5062. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  5063. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  5064. /*
  5065. * Power down the XAUI until link is up in case of dual-media
  5066. * and 1G
  5067. */
  5068. if (DUAL_MEDIA(params)) {
  5069. bnx2x_cl45_read(bp, phy,
  5070. MDIO_PMA_DEVAD,
  5071. MDIO_PMA_REG_8727_PCS_GP, &val);
  5072. val |= (3<<10);
  5073. bnx2x_cl45_write(bp, phy,
  5074. MDIO_PMA_DEVAD,
  5075. MDIO_PMA_REG_8727_PCS_GP, val);
  5076. }
  5077. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5078. ((phy->speed_cap_mask &
  5079. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  5080. ((phy->speed_cap_mask &
  5081. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  5082. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  5083. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  5084. bnx2x_cl45_write(bp, phy,
  5085. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  5086. bnx2x_cl45_write(bp, phy,
  5087. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  5088. } else {
  5089. /*
  5090. * Since the 8727 has only single reset pin, need to set the 10G
  5091. * registers although it is default
  5092. */
  5093. bnx2x_cl45_write(bp, phy,
  5094. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  5095. 0x0020);
  5096. bnx2x_cl45_write(bp, phy,
  5097. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  5098. bnx2x_cl45_write(bp, phy,
  5099. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  5100. bnx2x_cl45_write(bp, phy,
  5101. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  5102. 0x0008);
  5103. }
  5104. /*
  5105. * Set 2-wire transfer rate of SFP+ module EEPROM
  5106. * to 100Khz since some DACs(direct attached cables) do
  5107. * not work at 400Khz.
  5108. */
  5109. bnx2x_cl45_write(bp, phy,
  5110. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  5111. 0xa001);
  5112. /* Set TX PreEmphasis if needed */
  5113. if ((params->feature_config_flags &
  5114. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  5115. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  5116. phy->tx_preemphasis[0],
  5117. phy->tx_preemphasis[1]);
  5118. bnx2x_cl45_write(bp, phy,
  5119. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  5120. phy->tx_preemphasis[0]);
  5121. bnx2x_cl45_write(bp, phy,
  5122. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  5123. phy->tx_preemphasis[1]);
  5124. }
  5125. /*
  5126. * If TX Laser is controlled by GPIO_0, do not let PHY go into low
  5127. * power mode, if TX Laser is disabled
  5128. */
  5129. tx_en_mode = REG_RD(bp, params->shmem_base +
  5130. offsetof(struct shmem_region,
  5131. dev_info.port_hw_config[params->port].sfp_ctrl))
  5132. & PORT_HW_CFG_TX_LASER_MASK;
  5133. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  5134. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  5135. bnx2x_cl45_read(bp, phy,
  5136. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  5137. tmp2 |= 0x1000;
  5138. tmp2 &= 0xFFEF;
  5139. bnx2x_cl45_write(bp, phy,
  5140. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  5141. }
  5142. return 0;
  5143. }
  5144. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  5145. struct link_params *params)
  5146. {
  5147. struct bnx2x *bp = params->bp;
  5148. u16 mod_abs, rx_alarm_status;
  5149. u32 val = REG_RD(bp, params->shmem_base +
  5150. offsetof(struct shmem_region, dev_info.
  5151. port_feature_config[params->port].
  5152. config));
  5153. bnx2x_cl45_read(bp, phy,
  5154. MDIO_PMA_DEVAD,
  5155. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  5156. if (mod_abs & (1<<8)) {
  5157. /* Module is absent */
  5158. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5159. "show module is absent\n");
  5160. phy->media_type = ETH_PHY_NOT_PRESENT;
  5161. /*
  5162. * 1. Set mod_abs to detect next module
  5163. * presence event
  5164. * 2. Set EDC off by setting OPTXLOS signal input to low
  5165. * (bit 9).
  5166. * When the EDC is off it locks onto a reference clock and
  5167. * avoids becoming 'lost'.
  5168. */
  5169. mod_abs &= ~(1<<8);
  5170. if (!(phy->flags & FLAGS_NOC))
  5171. mod_abs &= ~(1<<9);
  5172. bnx2x_cl45_write(bp, phy,
  5173. MDIO_PMA_DEVAD,
  5174. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5175. /*
  5176. * Clear RX alarm since it stays up as long as
  5177. * the mod_abs wasn't changed
  5178. */
  5179. bnx2x_cl45_read(bp, phy,
  5180. MDIO_PMA_DEVAD,
  5181. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5182. } else {
  5183. /* Module is present */
  5184. DP(NETIF_MSG_LINK, "MOD_ABS indication "
  5185. "show module is present\n");
  5186. /*
  5187. * First disable transmitter, and if the module is ok, the
  5188. * module_detection will enable it
  5189. * 1. Set mod_abs to detect next module absent event ( bit 8)
  5190. * 2. Restore the default polarity of the OPRXLOS signal and
  5191. * this signal will then correctly indicate the presence or
  5192. * absence of the Rx signal. (bit 9)
  5193. */
  5194. mod_abs |= (1<<8);
  5195. if (!(phy->flags & FLAGS_NOC))
  5196. mod_abs |= (1<<9);
  5197. bnx2x_cl45_write(bp, phy,
  5198. MDIO_PMA_DEVAD,
  5199. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  5200. /*
  5201. * Clear RX alarm since it stays up as long as the mod_abs
  5202. * wasn't changed. This is need to be done before calling the
  5203. * module detection, otherwise it will clear* the link update
  5204. * alarm
  5205. */
  5206. bnx2x_cl45_read(bp, phy,
  5207. MDIO_PMA_DEVAD,
  5208. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5209. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  5210. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  5211. bnx2x_sfp_set_transmitter(params, phy, 0);
  5212. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  5213. bnx2x_sfp_module_detection(phy, params);
  5214. else
  5215. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  5216. }
  5217. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  5218. rx_alarm_status);
  5219. /* No need to check link status in case of module plugged in/out */
  5220. }
  5221. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  5222. struct link_params *params,
  5223. struct link_vars *vars)
  5224. {
  5225. struct bnx2x *bp = params->bp;
  5226. u8 link_up = 0;
  5227. u16 link_status = 0;
  5228. u16 rx_alarm_status, lasi_ctrl, val1;
  5229. /* If PHY is not initialized, do not check link status */
  5230. bnx2x_cl45_read(bp, phy,
  5231. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
  5232. &lasi_ctrl);
  5233. if (!lasi_ctrl)
  5234. return 0;
  5235. /* Check the LASI */
  5236. bnx2x_cl45_read(bp, phy,
  5237. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
  5238. &rx_alarm_status);
  5239. vars->line_speed = 0;
  5240. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  5241. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_REG_TX_ALARM,
  5242. MDIO_PMA_REG_TX_ALARM_CTRL);
  5243. bnx2x_cl45_read(bp, phy,
  5244. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  5245. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  5246. /* Clear MSG-OUT */
  5247. bnx2x_cl45_read(bp, phy,
  5248. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  5249. /*
  5250. * If a module is present and there is need to check
  5251. * for over current
  5252. */
  5253. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  5254. /* Check over-current using 8727 GPIO0 input*/
  5255. bnx2x_cl45_read(bp, phy,
  5256. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  5257. &val1);
  5258. if ((val1 & (1<<8)) == 0) {
  5259. DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
  5260. " on port %d\n", params->port);
  5261. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  5262. " been detected and the power to "
  5263. "that SFP+ module has been removed"
  5264. " to prevent failure of the card."
  5265. " Please remove the SFP+ module and"
  5266. " restart the system to clear this"
  5267. " error.\n",
  5268. params->port);
  5269. /* Disable all RX_ALARMs except for mod_abs */
  5270. bnx2x_cl45_write(bp, phy,
  5271. MDIO_PMA_DEVAD,
  5272. MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
  5273. bnx2x_cl45_read(bp, phy,
  5274. MDIO_PMA_DEVAD,
  5275. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5276. /* Wait for module_absent_event */
  5277. val1 |= (1<<8);
  5278. bnx2x_cl45_write(bp, phy,
  5279. MDIO_PMA_DEVAD,
  5280. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  5281. /* Clear RX alarm */
  5282. bnx2x_cl45_read(bp, phy,
  5283. MDIO_PMA_DEVAD,
  5284. MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
  5285. return 0;
  5286. }
  5287. } /* Over current check */
  5288. /* When module absent bit is set, check module */
  5289. if (rx_alarm_status & (1<<5)) {
  5290. bnx2x_8727_handle_mod_abs(phy, params);
  5291. /* Enable all mod_abs and link detection bits */
  5292. bnx2x_cl45_write(bp, phy,
  5293. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
  5294. ((1<<5) | (1<<2)));
  5295. }
  5296. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
  5297. bnx2x_8727_specific_func(phy, params, ENABLE_TX);
  5298. /* If transmitter is disabled, ignore false link up indication */
  5299. bnx2x_cl45_read(bp, phy,
  5300. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  5301. if (val1 & (1<<15)) {
  5302. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  5303. return 0;
  5304. }
  5305. bnx2x_cl45_read(bp, phy,
  5306. MDIO_PMA_DEVAD,
  5307. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  5308. /*
  5309. * Bits 0..2 --> speed detected,
  5310. * Bits 13..15--> link is down
  5311. */
  5312. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  5313. link_up = 1;
  5314. vars->line_speed = SPEED_10000;
  5315. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  5316. params->port);
  5317. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  5318. link_up = 1;
  5319. vars->line_speed = SPEED_1000;
  5320. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  5321. params->port);
  5322. } else {
  5323. link_up = 0;
  5324. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  5325. params->port);
  5326. }
  5327. /* Capture 10G link fault. */
  5328. if (vars->line_speed == SPEED_10000) {
  5329. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5330. MDIO_PMA_REG_TX_ALARM, &val1);
  5331. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5332. MDIO_PMA_REG_TX_ALARM, &val1);
  5333. if (val1 & (1<<0)) {
  5334. vars->fault_detected = 1;
  5335. }
  5336. }
  5337. if (link_up) {
  5338. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5339. vars->duplex = DUPLEX_FULL;
  5340. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  5341. }
  5342. if ((DUAL_MEDIA(params)) &&
  5343. (phy->req_line_speed == SPEED_1000)) {
  5344. bnx2x_cl45_read(bp, phy,
  5345. MDIO_PMA_DEVAD,
  5346. MDIO_PMA_REG_8727_PCS_GP, &val1);
  5347. /*
  5348. * In case of dual-media board and 1G, power up the XAUI side,
  5349. * otherwise power it down. For 10G it is done automatically
  5350. */
  5351. if (link_up)
  5352. val1 &= ~(3<<10);
  5353. else
  5354. val1 |= (3<<10);
  5355. bnx2x_cl45_write(bp, phy,
  5356. MDIO_PMA_DEVAD,
  5357. MDIO_PMA_REG_8727_PCS_GP, val1);
  5358. }
  5359. return link_up;
  5360. }
  5361. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  5362. struct link_params *params)
  5363. {
  5364. struct bnx2x *bp = params->bp;
  5365. /* Disable Transmitter */
  5366. bnx2x_sfp_set_transmitter(params, phy, 0);
  5367. /* Clear LASI */
  5368. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
  5369. }
  5370. /******************************************************************/
  5371. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  5372. /******************************************************************/
  5373. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  5374. struct link_params *params)
  5375. {
  5376. u16 val, fw_ver1, fw_ver2, cnt, adj;
  5377. struct bnx2x *bp = params->bp;
  5378. adj = 0;
  5379. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5380. adj = -1;
  5381. /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
  5382. /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  5383. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0014);
  5384. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5385. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, 0x0000);
  5386. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, 0x0300);
  5387. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x0009);
  5388. for (cnt = 0; cnt < 100; cnt++) {
  5389. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5390. if (val & 1)
  5391. break;
  5392. udelay(5);
  5393. }
  5394. if (cnt == 100) {
  5395. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
  5396. bnx2x_save_spirom_version(bp, params->port, 0,
  5397. phy->ver_addr);
  5398. return;
  5399. }
  5400. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  5401. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819 + adj, 0x0000);
  5402. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A + adj, 0xc200);
  5403. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817 + adj, 0x000A);
  5404. for (cnt = 0; cnt < 100; cnt++) {
  5405. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818 + adj, &val);
  5406. if (val & 1)
  5407. break;
  5408. udelay(5);
  5409. }
  5410. if (cnt == 100) {
  5411. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
  5412. bnx2x_save_spirom_version(bp, params->port, 0,
  5413. phy->ver_addr);
  5414. return;
  5415. }
  5416. /* lower 16 bits of the register SPI_FW_STATUS */
  5417. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B + adj, &fw_ver1);
  5418. /* upper 16 bits of register SPI_FW_STATUS */
  5419. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C + adj, &fw_ver2);
  5420. bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
  5421. phy->ver_addr);
  5422. }
  5423. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  5424. struct bnx2x_phy *phy)
  5425. {
  5426. u16 val, adj;
  5427. adj = 0;
  5428. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5429. adj = -1;
  5430. /* PHYC_CTL_LED_CTL */
  5431. bnx2x_cl45_read(bp, phy,
  5432. MDIO_PMA_DEVAD,
  5433. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, &val);
  5434. val &= 0xFE00;
  5435. val |= 0x0092;
  5436. bnx2x_cl45_write(bp, phy,
  5437. MDIO_PMA_DEVAD,
  5438. MDIO_PMA_REG_8481_LINK_SIGNAL + adj, val);
  5439. bnx2x_cl45_write(bp, phy,
  5440. MDIO_PMA_DEVAD,
  5441. MDIO_PMA_REG_8481_LED1_MASK + adj,
  5442. 0x80);
  5443. bnx2x_cl45_write(bp, phy,
  5444. MDIO_PMA_DEVAD,
  5445. MDIO_PMA_REG_8481_LED2_MASK + adj,
  5446. 0x18);
  5447. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  5448. bnx2x_cl45_write(bp, phy,
  5449. MDIO_PMA_DEVAD,
  5450. MDIO_PMA_REG_8481_LED3_MASK + adj,
  5451. 0x0006);
  5452. /* Select the closest activity blink rate to that in 10/100/1000 */
  5453. bnx2x_cl45_write(bp, phy,
  5454. MDIO_PMA_DEVAD,
  5455. MDIO_PMA_REG_8481_LED3_BLINK + adj,
  5456. 0);
  5457. bnx2x_cl45_read(bp, phy,
  5458. MDIO_PMA_DEVAD,
  5459. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, &val);
  5460. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  5461. bnx2x_cl45_write(bp, phy,
  5462. MDIO_PMA_DEVAD,
  5463. MDIO_PMA_REG_84823_CTL_LED_CTL_1 + adj, val);
  5464. /* 'Interrupt Mask' */
  5465. bnx2x_cl45_write(bp, phy,
  5466. MDIO_AN_DEVAD,
  5467. 0xFFFB, 0xFFFD);
  5468. }
  5469. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  5470. struct link_params *params,
  5471. struct link_vars *vars)
  5472. {
  5473. struct bnx2x *bp = params->bp;
  5474. u16 autoneg_val, an_1000_val, an_10_100_val;
  5475. /*
  5476. * This phy uses the NIG latch mechanism since link indication
  5477. * arrives through its LED4 and not via its LASI signal, so we
  5478. * get steady signal instead of clear on read
  5479. */
  5480. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  5481. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  5482. bnx2x_cl45_write(bp, phy,
  5483. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  5484. bnx2x_848xx_set_led(bp, phy);
  5485. /* set 1000 speed advertisement */
  5486. bnx2x_cl45_read(bp, phy,
  5487. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5488. &an_1000_val);
  5489. bnx2x_ext_phy_set_pause(params, phy, vars);
  5490. bnx2x_cl45_read(bp, phy,
  5491. MDIO_AN_DEVAD,
  5492. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5493. &an_10_100_val);
  5494. bnx2x_cl45_read(bp, phy,
  5495. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  5496. &autoneg_val);
  5497. /* Disable forced speed */
  5498. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  5499. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  5500. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5501. (phy->speed_cap_mask &
  5502. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5503. (phy->req_line_speed == SPEED_1000)) {
  5504. an_1000_val |= (1<<8);
  5505. autoneg_val |= (1<<9 | 1<<12);
  5506. if (phy->req_duplex == DUPLEX_FULL)
  5507. an_1000_val |= (1<<9);
  5508. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  5509. } else
  5510. an_1000_val &= ~((1<<8) | (1<<9));
  5511. bnx2x_cl45_write(bp, phy,
  5512. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  5513. an_1000_val);
  5514. /* set 10 speed advertisement */
  5515. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5516. (phy->speed_cap_mask &
  5517. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  5518. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  5519. an_10_100_val |= (1<<7);
  5520. /* Enable autoneg and restart autoneg for legacy speeds */
  5521. autoneg_val |= (1<<9 | 1<<12);
  5522. if (phy->req_duplex == DUPLEX_FULL)
  5523. an_10_100_val |= (1<<8);
  5524. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  5525. }
  5526. /* set 10 speed advertisement */
  5527. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5528. (phy->speed_cap_mask &
  5529. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  5530. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  5531. an_10_100_val |= (1<<5);
  5532. autoneg_val |= (1<<9 | 1<<12);
  5533. if (phy->req_duplex == DUPLEX_FULL)
  5534. an_10_100_val |= (1<<6);
  5535. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  5536. }
  5537. /* Only 10/100 are allowed to work in FORCE mode */
  5538. if (phy->req_line_speed == SPEED_100) {
  5539. autoneg_val |= (1<<13);
  5540. /* Enabled AUTO-MDIX when autoneg is disabled */
  5541. bnx2x_cl45_write(bp, phy,
  5542. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5543. (1<<15 | 1<<9 | 7<<0));
  5544. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  5545. }
  5546. if (phy->req_line_speed == SPEED_10) {
  5547. /* Enabled AUTO-MDIX when autoneg is disabled */
  5548. bnx2x_cl45_write(bp, phy,
  5549. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  5550. (1<<15 | 1<<9 | 7<<0));
  5551. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  5552. }
  5553. bnx2x_cl45_write(bp, phy,
  5554. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  5555. an_10_100_val);
  5556. if (phy->req_duplex == DUPLEX_FULL)
  5557. autoneg_val |= (1<<8);
  5558. bnx2x_cl45_write(bp, phy,
  5559. MDIO_AN_DEVAD,
  5560. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  5561. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  5562. (phy->speed_cap_mask &
  5563. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  5564. (phy->req_line_speed == SPEED_10000)) {
  5565. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  5566. /* Restart autoneg for 10G*/
  5567. bnx2x_cl45_write(bp, phy,
  5568. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  5569. 0x3200);
  5570. } else if (phy->req_line_speed != SPEED_10 &&
  5571. phy->req_line_speed != SPEED_100) {
  5572. bnx2x_cl45_write(bp, phy,
  5573. MDIO_AN_DEVAD,
  5574. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  5575. 1);
  5576. }
  5577. /* Save spirom version */
  5578. bnx2x_save_848xx_spirom_version(phy, params);
  5579. return 0;
  5580. }
  5581. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  5582. struct link_params *params,
  5583. struct link_vars *vars)
  5584. {
  5585. struct bnx2x *bp = params->bp;
  5586. /* Restore normal power mode*/
  5587. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5588. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5589. /* HW reset */
  5590. bnx2x_ext_phy_hw_reset(bp, params->port);
  5591. bnx2x_wait_reset_complete(bp, phy, params);
  5592. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  5593. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  5594. }
  5595. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  5596. struct link_params *params,
  5597. struct link_vars *vars)
  5598. {
  5599. struct bnx2x *bp = params->bp;
  5600. u8 port, initialize = 1;
  5601. u16 val, adj;
  5602. u16 temp;
  5603. u32 actual_phy_selection, cms_enable;
  5604. int rc = 0;
  5605. /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
  5606. adj = 0;
  5607. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5608. adj = 3;
  5609. msleep(1);
  5610. if (CHIP_IS_E2(bp))
  5611. port = BP_PATH(bp);
  5612. else
  5613. port = params->port;
  5614. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5615. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  5616. port);
  5617. bnx2x_wait_reset_complete(bp, phy, params);
  5618. /* Wait for GPHY to come out of reset */
  5619. msleep(50);
  5620. /*
  5621. * BCM84823 requires that XGXS links up first @ 10G for normal behavior
  5622. */
  5623. temp = vars->line_speed;
  5624. vars->line_speed = SPEED_10000;
  5625. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  5626. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  5627. vars->line_speed = temp;
  5628. /* Set dual-media configuration according to configuration */
  5629. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5630. MDIO_CTL_REG_84823_MEDIA + adj, &val);
  5631. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  5632. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  5633. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  5634. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  5635. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  5636. val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  5637. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
  5638. actual_phy_selection = bnx2x_phy_selection(params);
  5639. switch (actual_phy_selection) {
  5640. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5641. /* Do nothing. Essentially this is like the priority copper */
  5642. break;
  5643. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5644. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  5645. break;
  5646. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5647. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  5648. break;
  5649. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  5650. /* Do nothing here. The first PHY won't be initialized at all */
  5651. break;
  5652. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  5653. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  5654. initialize = 0;
  5655. break;
  5656. }
  5657. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  5658. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  5659. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5660. MDIO_CTL_REG_84823_MEDIA + adj, val);
  5661. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  5662. params->multi_phy_config, val);
  5663. if (initialize)
  5664. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  5665. else
  5666. bnx2x_save_848xx_spirom_version(phy, params);
  5667. cms_enable = REG_RD(bp, params->shmem_base +
  5668. offsetof(struct shmem_region,
  5669. dev_info.port_hw_config[params->port].default_cfg)) &
  5670. PORT_HW_CFG_ENABLE_CMS_MASK;
  5671. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  5672. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  5673. if (cms_enable)
  5674. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5675. else
  5676. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  5677. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  5678. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  5679. return rc;
  5680. }
  5681. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  5682. struct link_params *params,
  5683. struct link_vars *vars)
  5684. {
  5685. struct bnx2x *bp = params->bp;
  5686. u16 val, val1, val2, adj;
  5687. u8 link_up = 0;
  5688. /* Reg offset adjustment for 84833 */
  5689. adj = 0;
  5690. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  5691. adj = -1;
  5692. /* Check 10G-BaseT link status */
  5693. /* Check PMD signal ok */
  5694. bnx2x_cl45_read(bp, phy,
  5695. MDIO_AN_DEVAD, 0xFFFA, &val1);
  5696. bnx2x_cl45_read(bp, phy,
  5697. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL + adj,
  5698. &val2);
  5699. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  5700. /* Check link 10G */
  5701. if (val2 & (1<<11)) {
  5702. vars->line_speed = SPEED_10000;
  5703. vars->duplex = DUPLEX_FULL;
  5704. link_up = 1;
  5705. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  5706. } else { /* Check Legacy speed link */
  5707. u16 legacy_status, legacy_speed;
  5708. /* Enable expansion register 0x42 (Operation mode status) */
  5709. bnx2x_cl45_write(bp, phy,
  5710. MDIO_AN_DEVAD,
  5711. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  5712. /* Get legacy speed operation status */
  5713. bnx2x_cl45_read(bp, phy,
  5714. MDIO_AN_DEVAD,
  5715. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  5716. &legacy_status);
  5717. DP(NETIF_MSG_LINK, "Legacy speed status"
  5718. " = 0x%x\n", legacy_status);
  5719. link_up = ((legacy_status & (1<<11)) == (1<<11));
  5720. if (link_up) {
  5721. legacy_speed = (legacy_status & (3<<9));
  5722. if (legacy_speed == (0<<9))
  5723. vars->line_speed = SPEED_10;
  5724. else if (legacy_speed == (1<<9))
  5725. vars->line_speed = SPEED_100;
  5726. else if (legacy_speed == (2<<9))
  5727. vars->line_speed = SPEED_1000;
  5728. else /* Should not happen */
  5729. vars->line_speed = 0;
  5730. if (legacy_status & (1<<8))
  5731. vars->duplex = DUPLEX_FULL;
  5732. else
  5733. vars->duplex = DUPLEX_HALF;
  5734. DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
  5735. " is_duplex_full= %d\n", vars->line_speed,
  5736. (vars->duplex == DUPLEX_FULL));
  5737. /* Check legacy speed AN resolution */
  5738. bnx2x_cl45_read(bp, phy,
  5739. MDIO_AN_DEVAD,
  5740. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  5741. &val);
  5742. if (val & (1<<5))
  5743. vars->link_status |=
  5744. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5745. bnx2x_cl45_read(bp, phy,
  5746. MDIO_AN_DEVAD,
  5747. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  5748. &val);
  5749. if ((val & (1<<0)) == 0)
  5750. vars->link_status |=
  5751. LINK_STATUS_PARALLEL_DETECTION_USED;
  5752. }
  5753. }
  5754. if (link_up) {
  5755. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  5756. vars->line_speed);
  5757. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5758. }
  5759. return link_up;
  5760. }
  5761. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  5762. {
  5763. int status = 0;
  5764. u32 spirom_ver;
  5765. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  5766. status = bnx2x_format_ver(spirom_ver, str, len);
  5767. return status;
  5768. }
  5769. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  5770. struct link_params *params)
  5771. {
  5772. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5773. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  5774. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  5775. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  5776. }
  5777. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  5778. struct link_params *params)
  5779. {
  5780. bnx2x_cl45_write(params->bp, phy,
  5781. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  5782. bnx2x_cl45_write(params->bp, phy,
  5783. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  5784. }
  5785. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  5786. struct link_params *params)
  5787. {
  5788. struct bnx2x *bp = params->bp;
  5789. u8 port;
  5790. if (CHIP_IS_E2(bp))
  5791. port = BP_PATH(bp);
  5792. else
  5793. port = params->port;
  5794. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  5795. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5796. port);
  5797. }
  5798. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  5799. struct link_params *params, u8 mode)
  5800. {
  5801. struct bnx2x *bp = params->bp;
  5802. u16 val;
  5803. switch (mode) {
  5804. case LED_MODE_OFF:
  5805. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
  5806. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5807. SHARED_HW_CFG_LED_EXTPHY1) {
  5808. /* Set LED masks */
  5809. bnx2x_cl45_write(bp, phy,
  5810. MDIO_PMA_DEVAD,
  5811. MDIO_PMA_REG_8481_LED1_MASK,
  5812. 0x0);
  5813. bnx2x_cl45_write(bp, phy,
  5814. MDIO_PMA_DEVAD,
  5815. MDIO_PMA_REG_8481_LED2_MASK,
  5816. 0x0);
  5817. bnx2x_cl45_write(bp, phy,
  5818. MDIO_PMA_DEVAD,
  5819. MDIO_PMA_REG_8481_LED3_MASK,
  5820. 0x0);
  5821. bnx2x_cl45_write(bp, phy,
  5822. MDIO_PMA_DEVAD,
  5823. MDIO_PMA_REG_8481_LED5_MASK,
  5824. 0x0);
  5825. } else {
  5826. bnx2x_cl45_write(bp, phy,
  5827. MDIO_PMA_DEVAD,
  5828. MDIO_PMA_REG_8481_LED1_MASK,
  5829. 0x0);
  5830. }
  5831. break;
  5832. case LED_MODE_FRONT_PANEL_OFF:
  5833. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  5834. params->port);
  5835. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5836. SHARED_HW_CFG_LED_EXTPHY1) {
  5837. /* Set LED masks */
  5838. bnx2x_cl45_write(bp, phy,
  5839. MDIO_PMA_DEVAD,
  5840. MDIO_PMA_REG_8481_LED1_MASK,
  5841. 0x0);
  5842. bnx2x_cl45_write(bp, phy,
  5843. MDIO_PMA_DEVAD,
  5844. MDIO_PMA_REG_8481_LED2_MASK,
  5845. 0x0);
  5846. bnx2x_cl45_write(bp, phy,
  5847. MDIO_PMA_DEVAD,
  5848. MDIO_PMA_REG_8481_LED3_MASK,
  5849. 0x0);
  5850. bnx2x_cl45_write(bp, phy,
  5851. MDIO_PMA_DEVAD,
  5852. MDIO_PMA_REG_8481_LED5_MASK,
  5853. 0x20);
  5854. } else {
  5855. bnx2x_cl45_write(bp, phy,
  5856. MDIO_PMA_DEVAD,
  5857. MDIO_PMA_REG_8481_LED1_MASK,
  5858. 0x0);
  5859. }
  5860. break;
  5861. case LED_MODE_ON:
  5862. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
  5863. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5864. SHARED_HW_CFG_LED_EXTPHY1) {
  5865. /* Set control reg */
  5866. bnx2x_cl45_read(bp, phy,
  5867. MDIO_PMA_DEVAD,
  5868. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5869. &val);
  5870. val &= 0x8000;
  5871. val |= 0x2492;
  5872. bnx2x_cl45_write(bp, phy,
  5873. MDIO_PMA_DEVAD,
  5874. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5875. val);
  5876. /* Set LED masks */
  5877. bnx2x_cl45_write(bp, phy,
  5878. MDIO_PMA_DEVAD,
  5879. MDIO_PMA_REG_8481_LED1_MASK,
  5880. 0x0);
  5881. bnx2x_cl45_write(bp, phy,
  5882. MDIO_PMA_DEVAD,
  5883. MDIO_PMA_REG_8481_LED2_MASK,
  5884. 0x20);
  5885. bnx2x_cl45_write(bp, phy,
  5886. MDIO_PMA_DEVAD,
  5887. MDIO_PMA_REG_8481_LED3_MASK,
  5888. 0x20);
  5889. bnx2x_cl45_write(bp, phy,
  5890. MDIO_PMA_DEVAD,
  5891. MDIO_PMA_REG_8481_LED5_MASK,
  5892. 0x0);
  5893. } else {
  5894. bnx2x_cl45_write(bp, phy,
  5895. MDIO_PMA_DEVAD,
  5896. MDIO_PMA_REG_8481_LED1_MASK,
  5897. 0x20);
  5898. }
  5899. break;
  5900. case LED_MODE_OPER:
  5901. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
  5902. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5903. SHARED_HW_CFG_LED_EXTPHY1) {
  5904. /* Set control reg */
  5905. bnx2x_cl45_read(bp, phy,
  5906. MDIO_PMA_DEVAD,
  5907. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5908. &val);
  5909. if (!((val &
  5910. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  5911. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  5912. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  5913. bnx2x_cl45_write(bp, phy,
  5914. MDIO_PMA_DEVAD,
  5915. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5916. 0xa492);
  5917. }
  5918. /* Set LED masks */
  5919. bnx2x_cl45_write(bp, phy,
  5920. MDIO_PMA_DEVAD,
  5921. MDIO_PMA_REG_8481_LED1_MASK,
  5922. 0x10);
  5923. bnx2x_cl45_write(bp, phy,
  5924. MDIO_PMA_DEVAD,
  5925. MDIO_PMA_REG_8481_LED2_MASK,
  5926. 0x80);
  5927. bnx2x_cl45_write(bp, phy,
  5928. MDIO_PMA_DEVAD,
  5929. MDIO_PMA_REG_8481_LED3_MASK,
  5930. 0x98);
  5931. bnx2x_cl45_write(bp, phy,
  5932. MDIO_PMA_DEVAD,
  5933. MDIO_PMA_REG_8481_LED5_MASK,
  5934. 0x40);
  5935. } else {
  5936. bnx2x_cl45_write(bp, phy,
  5937. MDIO_PMA_DEVAD,
  5938. MDIO_PMA_REG_8481_LED1_MASK,
  5939. 0x80);
  5940. /* Tell LED3 to blink on source */
  5941. bnx2x_cl45_read(bp, phy,
  5942. MDIO_PMA_DEVAD,
  5943. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5944. &val);
  5945. val &= ~(7<<6);
  5946. val |= (1<<6); /* A83B[8:6]= 1 */
  5947. bnx2x_cl45_write(bp, phy,
  5948. MDIO_PMA_DEVAD,
  5949. MDIO_PMA_REG_8481_LINK_SIGNAL,
  5950. val);
  5951. }
  5952. break;
  5953. }
  5954. }
  5955. /******************************************************************/
  5956. /* SFX7101 PHY SECTION */
  5957. /******************************************************************/
  5958. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  5959. struct link_params *params)
  5960. {
  5961. struct bnx2x *bp = params->bp;
  5962. /* SFX7101_XGXS_TEST1 */
  5963. bnx2x_cl45_write(bp, phy,
  5964. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  5965. }
  5966. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  5967. struct link_params *params,
  5968. struct link_vars *vars)
  5969. {
  5970. u16 fw_ver1, fw_ver2, val;
  5971. struct bnx2x *bp = params->bp;
  5972. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  5973. /* Restore normal power mode*/
  5974. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5975. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  5976. /* HW reset */
  5977. bnx2x_ext_phy_hw_reset(bp, params->port);
  5978. bnx2x_wait_reset_complete(bp, phy, params);
  5979. bnx2x_cl45_write(bp, phy,
  5980. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
  5981. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  5982. bnx2x_cl45_write(bp, phy,
  5983. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  5984. bnx2x_ext_phy_set_pause(params, phy, vars);
  5985. /* Restart autoneg */
  5986. bnx2x_cl45_read(bp, phy,
  5987. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  5988. val |= 0x200;
  5989. bnx2x_cl45_write(bp, phy,
  5990. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  5991. /* Save spirom version */
  5992. bnx2x_cl45_read(bp, phy,
  5993. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  5994. bnx2x_cl45_read(bp, phy,
  5995. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  5996. bnx2x_save_spirom_version(bp, params->port,
  5997. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  5998. return 0;
  5999. }
  6000. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  6001. struct link_params *params,
  6002. struct link_vars *vars)
  6003. {
  6004. struct bnx2x *bp = params->bp;
  6005. u8 link_up;
  6006. u16 val1, val2;
  6007. bnx2x_cl45_read(bp, phy,
  6008. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
  6009. bnx2x_cl45_read(bp, phy,
  6010. MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
  6011. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  6012. val2, val1);
  6013. bnx2x_cl45_read(bp, phy,
  6014. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6015. bnx2x_cl45_read(bp, phy,
  6016. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6017. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  6018. val2, val1);
  6019. link_up = ((val1 & 4) == 4);
  6020. /* if link is up print the AN outcome of the SFX7101 PHY */
  6021. if (link_up) {
  6022. bnx2x_cl45_read(bp, phy,
  6023. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  6024. &val2);
  6025. vars->line_speed = SPEED_10000;
  6026. vars->duplex = DUPLEX_FULL;
  6027. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  6028. val2, (val2 & (1<<14)));
  6029. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6030. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6031. }
  6032. return link_up;
  6033. }
  6034. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  6035. {
  6036. if (*len < 5)
  6037. return -EINVAL;
  6038. str[0] = (spirom_ver & 0xFF);
  6039. str[1] = (spirom_ver & 0xFF00) >> 8;
  6040. str[2] = (spirom_ver & 0xFF0000) >> 16;
  6041. str[3] = (spirom_ver & 0xFF000000) >> 24;
  6042. str[4] = '\0';
  6043. *len -= 5;
  6044. return 0;
  6045. }
  6046. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  6047. {
  6048. u16 val, cnt;
  6049. bnx2x_cl45_read(bp, phy,
  6050. MDIO_PMA_DEVAD,
  6051. MDIO_PMA_REG_7101_RESET, &val);
  6052. for (cnt = 0; cnt < 10; cnt++) {
  6053. msleep(50);
  6054. /* Writes a self-clearing reset */
  6055. bnx2x_cl45_write(bp, phy,
  6056. MDIO_PMA_DEVAD,
  6057. MDIO_PMA_REG_7101_RESET,
  6058. (val | (1<<15)));
  6059. /* Wait for clear */
  6060. bnx2x_cl45_read(bp, phy,
  6061. MDIO_PMA_DEVAD,
  6062. MDIO_PMA_REG_7101_RESET, &val);
  6063. if ((val & (1<<15)) == 0)
  6064. break;
  6065. }
  6066. }
  6067. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  6068. struct link_params *params) {
  6069. /* Low power mode is controlled by GPIO 2 */
  6070. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  6071. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6072. /* The PHY reset is controlled by GPIO 1 */
  6073. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  6074. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  6075. }
  6076. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  6077. struct link_params *params, u8 mode)
  6078. {
  6079. u16 val = 0;
  6080. struct bnx2x *bp = params->bp;
  6081. switch (mode) {
  6082. case LED_MODE_FRONT_PANEL_OFF:
  6083. case LED_MODE_OFF:
  6084. val = 2;
  6085. break;
  6086. case LED_MODE_ON:
  6087. val = 1;
  6088. break;
  6089. case LED_MODE_OPER:
  6090. val = 0;
  6091. break;
  6092. }
  6093. bnx2x_cl45_write(bp, phy,
  6094. MDIO_PMA_DEVAD,
  6095. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  6096. val);
  6097. }
  6098. /******************************************************************/
  6099. /* STATIC PHY DECLARATION */
  6100. /******************************************************************/
  6101. static struct bnx2x_phy phy_null = {
  6102. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  6103. .addr = 0,
  6104. .flags = FLAGS_INIT_XGXS_FIRST,
  6105. .def_md_devad = 0,
  6106. .reserved = 0,
  6107. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6108. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6109. .mdio_ctrl = 0,
  6110. .supported = 0,
  6111. .media_type = ETH_PHY_NOT_PRESENT,
  6112. .ver_addr = 0,
  6113. .req_flow_ctrl = 0,
  6114. .req_line_speed = 0,
  6115. .speed_cap_mask = 0,
  6116. .req_duplex = 0,
  6117. .rsrv = 0,
  6118. .config_init = (config_init_t)NULL,
  6119. .read_status = (read_status_t)NULL,
  6120. .link_reset = (link_reset_t)NULL,
  6121. .config_loopback = (config_loopback_t)NULL,
  6122. .format_fw_ver = (format_fw_ver_t)NULL,
  6123. .hw_reset = (hw_reset_t)NULL,
  6124. .set_link_led = (set_link_led_t)NULL,
  6125. .phy_specific_func = (phy_specific_func_t)NULL
  6126. };
  6127. static struct bnx2x_phy phy_serdes = {
  6128. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  6129. .addr = 0xff,
  6130. .flags = 0,
  6131. .def_md_devad = 0,
  6132. .reserved = 0,
  6133. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6134. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6135. .mdio_ctrl = 0,
  6136. .supported = (SUPPORTED_10baseT_Half |
  6137. SUPPORTED_10baseT_Full |
  6138. SUPPORTED_100baseT_Half |
  6139. SUPPORTED_100baseT_Full |
  6140. SUPPORTED_1000baseT_Full |
  6141. SUPPORTED_2500baseX_Full |
  6142. SUPPORTED_TP |
  6143. SUPPORTED_Autoneg |
  6144. SUPPORTED_Pause |
  6145. SUPPORTED_Asym_Pause),
  6146. .media_type = ETH_PHY_BASE_T,
  6147. .ver_addr = 0,
  6148. .req_flow_ctrl = 0,
  6149. .req_line_speed = 0,
  6150. .speed_cap_mask = 0,
  6151. .req_duplex = 0,
  6152. .rsrv = 0,
  6153. .config_init = (config_init_t)bnx2x_init_serdes,
  6154. .read_status = (read_status_t)bnx2x_link_settings_status,
  6155. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6156. .config_loopback = (config_loopback_t)NULL,
  6157. .format_fw_ver = (format_fw_ver_t)NULL,
  6158. .hw_reset = (hw_reset_t)NULL,
  6159. .set_link_led = (set_link_led_t)NULL,
  6160. .phy_specific_func = (phy_specific_func_t)NULL
  6161. };
  6162. static struct bnx2x_phy phy_xgxs = {
  6163. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  6164. .addr = 0xff,
  6165. .flags = 0,
  6166. .def_md_devad = 0,
  6167. .reserved = 0,
  6168. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6169. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6170. .mdio_ctrl = 0,
  6171. .supported = (SUPPORTED_10baseT_Half |
  6172. SUPPORTED_10baseT_Full |
  6173. SUPPORTED_100baseT_Half |
  6174. SUPPORTED_100baseT_Full |
  6175. SUPPORTED_1000baseT_Full |
  6176. SUPPORTED_2500baseX_Full |
  6177. SUPPORTED_10000baseT_Full |
  6178. SUPPORTED_FIBRE |
  6179. SUPPORTED_Autoneg |
  6180. SUPPORTED_Pause |
  6181. SUPPORTED_Asym_Pause),
  6182. .media_type = ETH_PHY_CX4,
  6183. .ver_addr = 0,
  6184. .req_flow_ctrl = 0,
  6185. .req_line_speed = 0,
  6186. .speed_cap_mask = 0,
  6187. .req_duplex = 0,
  6188. .rsrv = 0,
  6189. .config_init = (config_init_t)bnx2x_init_xgxs,
  6190. .read_status = (read_status_t)bnx2x_link_settings_status,
  6191. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  6192. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  6193. .format_fw_ver = (format_fw_ver_t)NULL,
  6194. .hw_reset = (hw_reset_t)NULL,
  6195. .set_link_led = (set_link_led_t)NULL,
  6196. .phy_specific_func = (phy_specific_func_t)NULL
  6197. };
  6198. static struct bnx2x_phy phy_7101 = {
  6199. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  6200. .addr = 0xff,
  6201. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6202. .def_md_devad = 0,
  6203. .reserved = 0,
  6204. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6205. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6206. .mdio_ctrl = 0,
  6207. .supported = (SUPPORTED_10000baseT_Full |
  6208. SUPPORTED_TP |
  6209. SUPPORTED_Autoneg |
  6210. SUPPORTED_Pause |
  6211. SUPPORTED_Asym_Pause),
  6212. .media_type = ETH_PHY_BASE_T,
  6213. .ver_addr = 0,
  6214. .req_flow_ctrl = 0,
  6215. .req_line_speed = 0,
  6216. .speed_cap_mask = 0,
  6217. .req_duplex = 0,
  6218. .rsrv = 0,
  6219. .config_init = (config_init_t)bnx2x_7101_config_init,
  6220. .read_status = (read_status_t)bnx2x_7101_read_status,
  6221. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6222. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  6223. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  6224. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  6225. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  6226. .phy_specific_func = (phy_specific_func_t)NULL
  6227. };
  6228. static struct bnx2x_phy phy_8073 = {
  6229. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  6230. .addr = 0xff,
  6231. .flags = FLAGS_HW_LOCK_REQUIRED,
  6232. .def_md_devad = 0,
  6233. .reserved = 0,
  6234. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6235. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6236. .mdio_ctrl = 0,
  6237. .supported = (SUPPORTED_10000baseT_Full |
  6238. SUPPORTED_2500baseX_Full |
  6239. SUPPORTED_1000baseT_Full |
  6240. SUPPORTED_FIBRE |
  6241. SUPPORTED_Autoneg |
  6242. SUPPORTED_Pause |
  6243. SUPPORTED_Asym_Pause),
  6244. .media_type = ETH_PHY_KR,
  6245. .ver_addr = 0,
  6246. .req_flow_ctrl = 0,
  6247. .req_line_speed = 0,
  6248. .speed_cap_mask = 0,
  6249. .req_duplex = 0,
  6250. .rsrv = 0,
  6251. .config_init = (config_init_t)bnx2x_8073_config_init,
  6252. .read_status = (read_status_t)bnx2x_8073_read_status,
  6253. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  6254. .config_loopback = (config_loopback_t)NULL,
  6255. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6256. .hw_reset = (hw_reset_t)NULL,
  6257. .set_link_led = (set_link_led_t)NULL,
  6258. .phy_specific_func = (phy_specific_func_t)NULL
  6259. };
  6260. static struct bnx2x_phy phy_8705 = {
  6261. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  6262. .addr = 0xff,
  6263. .flags = FLAGS_INIT_XGXS_FIRST,
  6264. .def_md_devad = 0,
  6265. .reserved = 0,
  6266. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6267. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6268. .mdio_ctrl = 0,
  6269. .supported = (SUPPORTED_10000baseT_Full |
  6270. SUPPORTED_FIBRE |
  6271. SUPPORTED_Pause |
  6272. SUPPORTED_Asym_Pause),
  6273. .media_type = ETH_PHY_XFP_FIBER,
  6274. .ver_addr = 0,
  6275. .req_flow_ctrl = 0,
  6276. .req_line_speed = 0,
  6277. .speed_cap_mask = 0,
  6278. .req_duplex = 0,
  6279. .rsrv = 0,
  6280. .config_init = (config_init_t)bnx2x_8705_config_init,
  6281. .read_status = (read_status_t)bnx2x_8705_read_status,
  6282. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6283. .config_loopback = (config_loopback_t)NULL,
  6284. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  6285. .hw_reset = (hw_reset_t)NULL,
  6286. .set_link_led = (set_link_led_t)NULL,
  6287. .phy_specific_func = (phy_specific_func_t)NULL
  6288. };
  6289. static struct bnx2x_phy phy_8706 = {
  6290. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  6291. .addr = 0xff,
  6292. .flags = FLAGS_INIT_XGXS_FIRST,
  6293. .def_md_devad = 0,
  6294. .reserved = 0,
  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_1000baseT_Full |
  6300. SUPPORTED_FIBRE |
  6301. SUPPORTED_Pause |
  6302. SUPPORTED_Asym_Pause),
  6303. .media_type = ETH_PHY_SFP_FIBER,
  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_8706_config_init,
  6311. .read_status = (read_status_t)bnx2x_8706_read_status,
  6312. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  6313. .config_loopback = (config_loopback_t)NULL,
  6314. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6315. .hw_reset = (hw_reset_t)NULL,
  6316. .set_link_led = (set_link_led_t)NULL,
  6317. .phy_specific_func = (phy_specific_func_t)NULL
  6318. };
  6319. static struct bnx2x_phy phy_8726 = {
  6320. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  6321. .addr = 0xff,
  6322. .flags = (FLAGS_HW_LOCK_REQUIRED |
  6323. FLAGS_INIT_XGXS_FIRST),
  6324. .def_md_devad = 0,
  6325. .reserved = 0,
  6326. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6327. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6328. .mdio_ctrl = 0,
  6329. .supported = (SUPPORTED_10000baseT_Full |
  6330. SUPPORTED_1000baseT_Full |
  6331. SUPPORTED_Autoneg |
  6332. SUPPORTED_FIBRE |
  6333. SUPPORTED_Pause |
  6334. SUPPORTED_Asym_Pause),
  6335. .media_type = ETH_PHY_NOT_PRESENT,
  6336. .ver_addr = 0,
  6337. .req_flow_ctrl = 0,
  6338. .req_line_speed = 0,
  6339. .speed_cap_mask = 0,
  6340. .req_duplex = 0,
  6341. .rsrv = 0,
  6342. .config_init = (config_init_t)bnx2x_8726_config_init,
  6343. .read_status = (read_status_t)bnx2x_8726_read_status,
  6344. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  6345. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  6346. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6347. .hw_reset = (hw_reset_t)NULL,
  6348. .set_link_led = (set_link_led_t)NULL,
  6349. .phy_specific_func = (phy_specific_func_t)NULL
  6350. };
  6351. static struct bnx2x_phy phy_8727 = {
  6352. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  6353. .addr = 0xff,
  6354. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  6355. .def_md_devad = 0,
  6356. .reserved = 0,
  6357. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6358. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6359. .mdio_ctrl = 0,
  6360. .supported = (SUPPORTED_10000baseT_Full |
  6361. SUPPORTED_1000baseT_Full |
  6362. SUPPORTED_FIBRE |
  6363. SUPPORTED_Pause |
  6364. SUPPORTED_Asym_Pause),
  6365. .media_type = ETH_PHY_NOT_PRESENT,
  6366. .ver_addr = 0,
  6367. .req_flow_ctrl = 0,
  6368. .req_line_speed = 0,
  6369. .speed_cap_mask = 0,
  6370. .req_duplex = 0,
  6371. .rsrv = 0,
  6372. .config_init = (config_init_t)bnx2x_8727_config_init,
  6373. .read_status = (read_status_t)bnx2x_8727_read_status,
  6374. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  6375. .config_loopback = (config_loopback_t)NULL,
  6376. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  6377. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  6378. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  6379. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  6380. };
  6381. static struct bnx2x_phy phy_8481 = {
  6382. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  6383. .addr = 0xff,
  6384. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6385. FLAGS_REARM_LATCH_SIGNAL,
  6386. .def_md_devad = 0,
  6387. .reserved = 0,
  6388. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6389. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6390. .mdio_ctrl = 0,
  6391. .supported = (SUPPORTED_10baseT_Half |
  6392. SUPPORTED_10baseT_Full |
  6393. SUPPORTED_100baseT_Half |
  6394. SUPPORTED_100baseT_Full |
  6395. SUPPORTED_1000baseT_Full |
  6396. SUPPORTED_10000baseT_Full |
  6397. SUPPORTED_TP |
  6398. SUPPORTED_Autoneg |
  6399. SUPPORTED_Pause |
  6400. SUPPORTED_Asym_Pause),
  6401. .media_type = ETH_PHY_BASE_T,
  6402. .ver_addr = 0,
  6403. .req_flow_ctrl = 0,
  6404. .req_line_speed = 0,
  6405. .speed_cap_mask = 0,
  6406. .req_duplex = 0,
  6407. .rsrv = 0,
  6408. .config_init = (config_init_t)bnx2x_8481_config_init,
  6409. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6410. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  6411. .config_loopback = (config_loopback_t)NULL,
  6412. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6413. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  6414. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6415. .phy_specific_func = (phy_specific_func_t)NULL
  6416. };
  6417. static struct bnx2x_phy phy_84823 = {
  6418. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  6419. .addr = 0xff,
  6420. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6421. FLAGS_REARM_LATCH_SIGNAL,
  6422. .def_md_devad = 0,
  6423. .reserved = 0,
  6424. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6425. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6426. .mdio_ctrl = 0,
  6427. .supported = (SUPPORTED_10baseT_Half |
  6428. SUPPORTED_10baseT_Full |
  6429. SUPPORTED_100baseT_Half |
  6430. SUPPORTED_100baseT_Full |
  6431. SUPPORTED_1000baseT_Full |
  6432. SUPPORTED_10000baseT_Full |
  6433. SUPPORTED_TP |
  6434. SUPPORTED_Autoneg |
  6435. SUPPORTED_Pause |
  6436. SUPPORTED_Asym_Pause),
  6437. .media_type = ETH_PHY_BASE_T,
  6438. .ver_addr = 0,
  6439. .req_flow_ctrl = 0,
  6440. .req_line_speed = 0,
  6441. .speed_cap_mask = 0,
  6442. .req_duplex = 0,
  6443. .rsrv = 0,
  6444. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6445. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6446. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6447. .config_loopback = (config_loopback_t)NULL,
  6448. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6449. .hw_reset = (hw_reset_t)NULL,
  6450. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6451. .phy_specific_func = (phy_specific_func_t)NULL
  6452. };
  6453. static struct bnx2x_phy phy_84833 = {
  6454. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  6455. .addr = 0xff,
  6456. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  6457. FLAGS_REARM_LATCH_SIGNAL,
  6458. .def_md_devad = 0,
  6459. .reserved = 0,
  6460. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6461. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  6462. .mdio_ctrl = 0,
  6463. .supported = (SUPPORTED_10baseT_Half |
  6464. SUPPORTED_10baseT_Full |
  6465. SUPPORTED_100baseT_Half |
  6466. SUPPORTED_100baseT_Full |
  6467. SUPPORTED_1000baseT_Full |
  6468. SUPPORTED_10000baseT_Full |
  6469. SUPPORTED_TP |
  6470. SUPPORTED_Autoneg |
  6471. SUPPORTED_Pause |
  6472. SUPPORTED_Asym_Pause),
  6473. .media_type = ETH_PHY_BASE_T,
  6474. .ver_addr = 0,
  6475. .req_flow_ctrl = 0,
  6476. .req_line_speed = 0,
  6477. .speed_cap_mask = 0,
  6478. .req_duplex = 0,
  6479. .rsrv = 0,
  6480. .config_init = (config_init_t)bnx2x_848x3_config_init,
  6481. .read_status = (read_status_t)bnx2x_848xx_read_status,
  6482. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  6483. .config_loopback = (config_loopback_t)NULL,
  6484. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  6485. .hw_reset = (hw_reset_t)NULL,
  6486. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  6487. .phy_specific_func = (phy_specific_func_t)NULL
  6488. };
  6489. /*****************************************************************/
  6490. /* */
  6491. /* Populate the phy according. Main function: bnx2x_populate_phy */
  6492. /* */
  6493. /*****************************************************************/
  6494. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  6495. struct bnx2x_phy *phy, u8 port,
  6496. u8 phy_index)
  6497. {
  6498. /* Get the 4 lanes xgxs config rx and tx */
  6499. u32 rx = 0, tx = 0, i;
  6500. for (i = 0; i < 2; i++) {
  6501. /*
  6502. * INT_PHY and EXT_PHY1 share the same value location in the
  6503. * shmem. When num_phys is greater than 1, than this value
  6504. * applies only to EXT_PHY1
  6505. */
  6506. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  6507. rx = REG_RD(bp, shmem_base +
  6508. offsetof(struct shmem_region,
  6509. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  6510. tx = REG_RD(bp, shmem_base +
  6511. offsetof(struct shmem_region,
  6512. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  6513. } else {
  6514. rx = REG_RD(bp, shmem_base +
  6515. offsetof(struct shmem_region,
  6516. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6517. tx = REG_RD(bp, shmem_base +
  6518. offsetof(struct shmem_region,
  6519. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  6520. }
  6521. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  6522. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  6523. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  6524. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  6525. }
  6526. }
  6527. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  6528. u8 phy_index, u8 port)
  6529. {
  6530. u32 ext_phy_config = 0;
  6531. switch (phy_index) {
  6532. case EXT_PHY1:
  6533. ext_phy_config = REG_RD(bp, shmem_base +
  6534. offsetof(struct shmem_region,
  6535. dev_info.port_hw_config[port].external_phy_config));
  6536. break;
  6537. case EXT_PHY2:
  6538. ext_phy_config = REG_RD(bp, shmem_base +
  6539. offsetof(struct shmem_region,
  6540. dev_info.port_hw_config[port].external_phy_config2));
  6541. break;
  6542. default:
  6543. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  6544. return -EINVAL;
  6545. }
  6546. return ext_phy_config;
  6547. }
  6548. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  6549. struct bnx2x_phy *phy)
  6550. {
  6551. u32 phy_addr;
  6552. u32 chip_id;
  6553. u32 switch_cfg = (REG_RD(bp, shmem_base +
  6554. offsetof(struct shmem_region,
  6555. dev_info.port_feature_config[port].link_config)) &
  6556. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  6557. chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
  6558. switch (switch_cfg) {
  6559. case SWITCH_CFG_1G:
  6560. phy_addr = REG_RD(bp,
  6561. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  6562. port * 0x10);
  6563. *phy = phy_serdes;
  6564. break;
  6565. case SWITCH_CFG_10G:
  6566. phy_addr = REG_RD(bp,
  6567. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  6568. port * 0x18);
  6569. *phy = phy_xgxs;
  6570. break;
  6571. default:
  6572. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  6573. return -EINVAL;
  6574. }
  6575. phy->addr = (u8)phy_addr;
  6576. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  6577. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  6578. port);
  6579. if (CHIP_IS_E2(bp))
  6580. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  6581. else
  6582. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  6583. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  6584. port, phy->addr, phy->mdio_ctrl);
  6585. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  6586. return 0;
  6587. }
  6588. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  6589. u8 phy_index,
  6590. u32 shmem_base,
  6591. u32 shmem2_base,
  6592. u8 port,
  6593. struct bnx2x_phy *phy)
  6594. {
  6595. u32 ext_phy_config, phy_type, config2;
  6596. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  6597. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  6598. phy_index, port);
  6599. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  6600. /* Select the phy type */
  6601. switch (phy_type) {
  6602. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  6603. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  6604. *phy = phy_8073;
  6605. break;
  6606. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  6607. *phy = phy_8705;
  6608. break;
  6609. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  6610. *phy = phy_8706;
  6611. break;
  6612. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6613. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6614. *phy = phy_8726;
  6615. break;
  6616. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  6617. /* BCM8727_NOC => BCM8727 no over current */
  6618. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6619. *phy = phy_8727;
  6620. phy->flags |= FLAGS_NOC;
  6621. break;
  6622. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6623. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6624. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  6625. *phy = phy_8727;
  6626. break;
  6627. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  6628. *phy = phy_8481;
  6629. break;
  6630. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  6631. *phy = phy_84823;
  6632. break;
  6633. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  6634. *phy = phy_84833;
  6635. break;
  6636. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  6637. *phy = phy_7101;
  6638. break;
  6639. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  6640. *phy = phy_null;
  6641. return -EINVAL;
  6642. default:
  6643. *phy = phy_null;
  6644. return 0;
  6645. }
  6646. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  6647. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  6648. /*
  6649. * The shmem address of the phy version is located on different
  6650. * structures. In case this structure is too old, do not set
  6651. * the address
  6652. */
  6653. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  6654. dev_info.shared_hw_config.config2));
  6655. if (phy_index == EXT_PHY1) {
  6656. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  6657. port_mb[port].ext_phy_fw_version);
  6658. /* Check specific mdc mdio settings */
  6659. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  6660. mdc_mdio_access = config2 &
  6661. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  6662. } else {
  6663. u32 size = REG_RD(bp, shmem2_base);
  6664. if (size >
  6665. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  6666. phy->ver_addr = shmem2_base +
  6667. offsetof(struct shmem2_region,
  6668. ext_phy_fw_version2[port]);
  6669. }
  6670. /* Check specific mdc mdio settings */
  6671. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  6672. mdc_mdio_access = (config2 &
  6673. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  6674. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  6675. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  6676. }
  6677. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  6678. /*
  6679. * In case mdc/mdio_access of the external phy is different than the
  6680. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  6681. * to prevent one port interfere with another port's CL45 operations.
  6682. */
  6683. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  6684. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  6685. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  6686. phy_type, port, phy_index);
  6687. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  6688. phy->addr, phy->mdio_ctrl);
  6689. return 0;
  6690. }
  6691. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  6692. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  6693. {
  6694. int status = 0;
  6695. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  6696. if (phy_index == INT_PHY)
  6697. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  6698. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  6699. port, phy);
  6700. return status;
  6701. }
  6702. static void bnx2x_phy_def_cfg(struct link_params *params,
  6703. struct bnx2x_phy *phy,
  6704. u8 phy_index)
  6705. {
  6706. struct bnx2x *bp = params->bp;
  6707. u32 link_config;
  6708. /* Populate the default phy configuration for MF mode */
  6709. if (phy_index == EXT_PHY2) {
  6710. link_config = REG_RD(bp, params->shmem_base +
  6711. offsetof(struct shmem_region, dev_info.
  6712. port_feature_config[params->port].link_config2));
  6713. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6714. offsetof(struct shmem_region,
  6715. dev_info.
  6716. port_hw_config[params->port].speed_capability_mask2));
  6717. } else {
  6718. link_config = REG_RD(bp, params->shmem_base +
  6719. offsetof(struct shmem_region, dev_info.
  6720. port_feature_config[params->port].link_config));
  6721. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  6722. offsetof(struct shmem_region,
  6723. dev_info.
  6724. port_hw_config[params->port].speed_capability_mask));
  6725. }
  6726. DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
  6727. " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
  6728. phy->req_duplex = DUPLEX_FULL;
  6729. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  6730. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  6731. phy->req_duplex = DUPLEX_HALF;
  6732. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  6733. phy->req_line_speed = SPEED_10;
  6734. break;
  6735. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  6736. phy->req_duplex = DUPLEX_HALF;
  6737. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  6738. phy->req_line_speed = SPEED_100;
  6739. break;
  6740. case PORT_FEATURE_LINK_SPEED_1G:
  6741. phy->req_line_speed = SPEED_1000;
  6742. break;
  6743. case PORT_FEATURE_LINK_SPEED_2_5G:
  6744. phy->req_line_speed = SPEED_2500;
  6745. break;
  6746. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  6747. phy->req_line_speed = SPEED_10000;
  6748. break;
  6749. default:
  6750. phy->req_line_speed = SPEED_AUTO_NEG;
  6751. break;
  6752. }
  6753. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  6754. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  6755. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  6756. break;
  6757. case PORT_FEATURE_FLOW_CONTROL_TX:
  6758. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  6759. break;
  6760. case PORT_FEATURE_FLOW_CONTROL_RX:
  6761. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  6762. break;
  6763. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  6764. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  6765. break;
  6766. default:
  6767. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6768. break;
  6769. }
  6770. }
  6771. u32 bnx2x_phy_selection(struct link_params *params)
  6772. {
  6773. u32 phy_config_swapped, prio_cfg;
  6774. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  6775. phy_config_swapped = params->multi_phy_config &
  6776. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6777. prio_cfg = params->multi_phy_config &
  6778. PORT_HW_CFG_PHY_SELECTION_MASK;
  6779. if (phy_config_swapped) {
  6780. switch (prio_cfg) {
  6781. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6782. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  6783. break;
  6784. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6785. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  6786. break;
  6787. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  6788. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  6789. break;
  6790. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  6791. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  6792. break;
  6793. }
  6794. } else
  6795. return_cfg = prio_cfg;
  6796. return return_cfg;
  6797. }
  6798. int bnx2x_phy_probe(struct link_params *params)
  6799. {
  6800. u8 phy_index, actual_phy_idx, link_cfg_idx;
  6801. u32 phy_config_swapped, sync_offset, media_types;
  6802. struct bnx2x *bp = params->bp;
  6803. struct bnx2x_phy *phy;
  6804. params->num_phys = 0;
  6805. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  6806. phy_config_swapped = params->multi_phy_config &
  6807. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6808. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  6809. phy_index++) {
  6810. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6811. actual_phy_idx = phy_index;
  6812. if (phy_config_swapped) {
  6813. if (phy_index == EXT_PHY1)
  6814. actual_phy_idx = EXT_PHY2;
  6815. else if (phy_index == EXT_PHY2)
  6816. actual_phy_idx = EXT_PHY1;
  6817. }
  6818. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  6819. " actual_phy_idx %x\n", phy_config_swapped,
  6820. phy_index, actual_phy_idx);
  6821. phy = &params->phy[actual_phy_idx];
  6822. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  6823. params->shmem2_base, params->port,
  6824. phy) != 0) {
  6825. params->num_phys = 0;
  6826. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  6827. phy_index);
  6828. for (phy_index = INT_PHY;
  6829. phy_index < MAX_PHYS;
  6830. phy_index++)
  6831. *phy = phy_null;
  6832. return -EINVAL;
  6833. }
  6834. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  6835. break;
  6836. sync_offset = params->shmem_base +
  6837. offsetof(struct shmem_region,
  6838. dev_info.port_hw_config[params->port].media_type);
  6839. media_types = REG_RD(bp, sync_offset);
  6840. /*
  6841. * Update media type for non-PMF sync only for the first time
  6842. * In case the media type changes afterwards, it will be updated
  6843. * using the update_status function
  6844. */
  6845. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6846. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6847. actual_phy_idx))) == 0) {
  6848. media_types |= ((phy->media_type &
  6849. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6850. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  6851. actual_phy_idx));
  6852. }
  6853. REG_WR(bp, sync_offset, media_types);
  6854. bnx2x_phy_def_cfg(params, phy, phy_index);
  6855. params->num_phys++;
  6856. }
  6857. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  6858. return 0;
  6859. }
  6860. static void set_phy_vars(struct link_params *params)
  6861. {
  6862. struct bnx2x *bp = params->bp;
  6863. u8 actual_phy_idx, phy_index, link_cfg_idx;
  6864. u8 phy_config_swapped = params->multi_phy_config &
  6865. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  6866. for (phy_index = INT_PHY; phy_index < params->num_phys;
  6867. phy_index++) {
  6868. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  6869. actual_phy_idx = phy_index;
  6870. if (phy_config_swapped) {
  6871. if (phy_index == EXT_PHY1)
  6872. actual_phy_idx = EXT_PHY2;
  6873. else if (phy_index == EXT_PHY2)
  6874. actual_phy_idx = EXT_PHY1;
  6875. }
  6876. params->phy[actual_phy_idx].req_flow_ctrl =
  6877. params->req_flow_ctrl[link_cfg_idx];
  6878. params->phy[actual_phy_idx].req_line_speed =
  6879. params->req_line_speed[link_cfg_idx];
  6880. params->phy[actual_phy_idx].speed_cap_mask =
  6881. params->speed_cap_mask[link_cfg_idx];
  6882. params->phy[actual_phy_idx].req_duplex =
  6883. params->req_duplex[link_cfg_idx];
  6884. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  6885. " speed_cap_mask %x\n",
  6886. params->phy[actual_phy_idx].req_flow_ctrl,
  6887. params->phy[actual_phy_idx].req_line_speed,
  6888. params->phy[actual_phy_idx].speed_cap_mask);
  6889. }
  6890. }
  6891. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  6892. {
  6893. struct bnx2x *bp = params->bp;
  6894. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  6895. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  6896. params->req_line_speed[0], params->req_flow_ctrl[0]);
  6897. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  6898. params->req_line_speed[1], params->req_flow_ctrl[1]);
  6899. vars->link_status = 0;
  6900. vars->phy_link_up = 0;
  6901. vars->link_up = 0;
  6902. vars->line_speed = 0;
  6903. vars->duplex = DUPLEX_FULL;
  6904. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6905. vars->mac_type = MAC_TYPE_NONE;
  6906. vars->phy_flags = 0;
  6907. /* disable attentions */
  6908. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  6909. (NIG_MASK_XGXS0_LINK_STATUS |
  6910. NIG_MASK_XGXS0_LINK10G |
  6911. NIG_MASK_SERDES0_LINK_STATUS |
  6912. NIG_MASK_MI_INT));
  6913. bnx2x_emac_init(params, vars);
  6914. if (params->num_phys == 0) {
  6915. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  6916. return -EINVAL;
  6917. }
  6918. set_phy_vars(params);
  6919. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  6920. if (params->loopback_mode == LOOPBACK_BMAC) {
  6921. vars->link_up = 1;
  6922. vars->line_speed = SPEED_10000;
  6923. vars->duplex = DUPLEX_FULL;
  6924. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6925. vars->mac_type = MAC_TYPE_BMAC;
  6926. vars->phy_flags = PHY_XGXS_FLAG;
  6927. bnx2x_xgxs_deassert(params);
  6928. /* set bmac loopback */
  6929. bnx2x_bmac_enable(params, vars, 1);
  6930. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6931. } else if (params->loopback_mode == LOOPBACK_EMAC) {
  6932. vars->link_up = 1;
  6933. vars->line_speed = SPEED_1000;
  6934. vars->duplex = DUPLEX_FULL;
  6935. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6936. vars->mac_type = MAC_TYPE_EMAC;
  6937. vars->phy_flags = PHY_XGXS_FLAG;
  6938. bnx2x_xgxs_deassert(params);
  6939. /* set bmac loopback */
  6940. bnx2x_emac_enable(params, vars, 1);
  6941. bnx2x_emac_program(params, vars);
  6942. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6943. } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
  6944. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  6945. vars->link_up = 1;
  6946. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  6947. vars->duplex = DUPLEX_FULL;
  6948. if (params->req_line_speed[0] == SPEED_1000) {
  6949. vars->line_speed = SPEED_1000;
  6950. vars->mac_type = MAC_TYPE_EMAC;
  6951. } else {
  6952. vars->line_speed = SPEED_10000;
  6953. vars->mac_type = MAC_TYPE_BMAC;
  6954. }
  6955. bnx2x_xgxs_deassert(params);
  6956. bnx2x_link_initialize(params, vars);
  6957. if (params->req_line_speed[0] == SPEED_1000) {
  6958. bnx2x_emac_program(params, vars);
  6959. bnx2x_emac_enable(params, vars, 0);
  6960. } else
  6961. bnx2x_bmac_enable(params, vars, 0);
  6962. if (params->loopback_mode == LOOPBACK_XGXS) {
  6963. /* set 10G XGXS loopback */
  6964. params->phy[INT_PHY].config_loopback(
  6965. &params->phy[INT_PHY],
  6966. params);
  6967. } else {
  6968. /* set external phy loopback */
  6969. u8 phy_index;
  6970. for (phy_index = EXT_PHY1;
  6971. phy_index < params->num_phys; phy_index++) {
  6972. if (params->phy[phy_index].config_loopback)
  6973. params->phy[phy_index].config_loopback(
  6974. &params->phy[phy_index],
  6975. params);
  6976. }
  6977. }
  6978. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  6979. bnx2x_set_led(params, vars,
  6980. LED_MODE_OPER, vars->line_speed);
  6981. } else
  6982. /* No loopback */
  6983. {
  6984. if (params->switch_cfg == SWITCH_CFG_10G)
  6985. bnx2x_xgxs_deassert(params);
  6986. else
  6987. bnx2x_serdes_deassert(bp, params->port);
  6988. bnx2x_link_initialize(params, vars);
  6989. msleep(30);
  6990. bnx2x_link_int_enable(params);
  6991. }
  6992. return 0;
  6993. }
  6994. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  6995. u8 reset_ext_phy)
  6996. {
  6997. struct bnx2x *bp = params->bp;
  6998. u8 phy_index, port = params->port, clear_latch_ind = 0;
  6999. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  7000. /* disable attentions */
  7001. vars->link_status = 0;
  7002. bnx2x_update_mng(params, vars->link_status);
  7003. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  7004. (NIG_MASK_XGXS0_LINK_STATUS |
  7005. NIG_MASK_XGXS0_LINK10G |
  7006. NIG_MASK_SERDES0_LINK_STATUS |
  7007. NIG_MASK_MI_INT));
  7008. /* activate nig drain */
  7009. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  7010. /* disable nig egress interface */
  7011. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7012. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7013. /* Stop BigMac rx */
  7014. bnx2x_bmac_rx_disable(bp, port);
  7015. /* disable emac */
  7016. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  7017. msleep(10);
  7018. /* The PHY reset is controlled by GPIO 1
  7019. * Hold it as vars low
  7020. */
  7021. /* clear link led */
  7022. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  7023. if (reset_ext_phy) {
  7024. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  7025. phy_index++) {
  7026. if (params->phy[phy_index].link_reset)
  7027. params->phy[phy_index].link_reset(
  7028. &params->phy[phy_index],
  7029. params);
  7030. if (params->phy[phy_index].flags &
  7031. FLAGS_REARM_LATCH_SIGNAL)
  7032. clear_latch_ind = 1;
  7033. }
  7034. }
  7035. if (clear_latch_ind) {
  7036. /* Clear latching indication */
  7037. bnx2x_rearm_latch_signal(bp, port, 0);
  7038. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  7039. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  7040. }
  7041. if (params->phy[INT_PHY].link_reset)
  7042. params->phy[INT_PHY].link_reset(
  7043. &params->phy[INT_PHY], params);
  7044. /* reset BigMac */
  7045. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  7046. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  7047. /* disable nig ingress interface */
  7048. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  7049. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  7050. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  7051. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  7052. vars->link_up = 0;
  7053. return 0;
  7054. }
  7055. /****************************************************************************/
  7056. /* Common function */
  7057. /****************************************************************************/
  7058. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  7059. u32 shmem_base_path[],
  7060. u32 shmem2_base_path[], u8 phy_index,
  7061. u32 chip_id)
  7062. {
  7063. struct bnx2x_phy phy[PORT_MAX];
  7064. struct bnx2x_phy *phy_blk[PORT_MAX];
  7065. u16 val;
  7066. s8 port = 0;
  7067. s8 port_of_path = 0;
  7068. u32 swap_val, swap_override;
  7069. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7070. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7071. port ^= (swap_val && swap_override);
  7072. bnx2x_ext_phy_hw_reset(bp, port);
  7073. /* PART1 - Reset both phys */
  7074. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7075. u32 shmem_base, shmem2_base;
  7076. /* In E2, same phy is using for port0 of the two paths */
  7077. if (CHIP_IS_E2(bp)) {
  7078. shmem_base = shmem_base_path[port];
  7079. shmem2_base = shmem2_base_path[port];
  7080. port_of_path = 0;
  7081. } else {
  7082. shmem_base = shmem_base_path[0];
  7083. shmem2_base = shmem2_base_path[0];
  7084. port_of_path = port;
  7085. }
  7086. /* Extract the ext phy address for the port */
  7087. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7088. port_of_path, &phy[port]) !=
  7089. 0) {
  7090. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  7091. return -EINVAL;
  7092. }
  7093. /* disable attentions */
  7094. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7095. port_of_path*4,
  7096. (NIG_MASK_XGXS0_LINK_STATUS |
  7097. NIG_MASK_XGXS0_LINK10G |
  7098. NIG_MASK_SERDES0_LINK_STATUS |
  7099. NIG_MASK_MI_INT));
  7100. /* Need to take the phy out of low power mode in order
  7101. to write to access its registers */
  7102. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7103. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7104. port);
  7105. /* Reset the phy */
  7106. bnx2x_cl45_write(bp, &phy[port],
  7107. MDIO_PMA_DEVAD,
  7108. MDIO_PMA_REG_CTRL,
  7109. 1<<15);
  7110. }
  7111. /* Add delay of 150ms after reset */
  7112. msleep(150);
  7113. if (phy[PORT_0].addr & 0x1) {
  7114. phy_blk[PORT_0] = &(phy[PORT_1]);
  7115. phy_blk[PORT_1] = &(phy[PORT_0]);
  7116. } else {
  7117. phy_blk[PORT_0] = &(phy[PORT_0]);
  7118. phy_blk[PORT_1] = &(phy[PORT_1]);
  7119. }
  7120. /* PART2 - Download firmware to both phys */
  7121. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7122. if (CHIP_IS_E2(bp))
  7123. port_of_path = 0;
  7124. else
  7125. port_of_path = port;
  7126. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7127. phy_blk[port]->addr);
  7128. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7129. port_of_path))
  7130. return -EINVAL;
  7131. /* Only set bit 10 = 1 (Tx power down) */
  7132. bnx2x_cl45_read(bp, phy_blk[port],
  7133. MDIO_PMA_DEVAD,
  7134. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7135. /* Phase1 of TX_POWER_DOWN reset */
  7136. bnx2x_cl45_write(bp, phy_blk[port],
  7137. MDIO_PMA_DEVAD,
  7138. MDIO_PMA_REG_TX_POWER_DOWN,
  7139. (val | 1<<10));
  7140. }
  7141. /*
  7142. * Toggle Transmitter: Power down and then up with 600ms delay
  7143. * between
  7144. */
  7145. msleep(600);
  7146. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  7147. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7148. /* Phase2 of POWER_DOWN_RESET */
  7149. /* Release bit 10 (Release Tx power down) */
  7150. bnx2x_cl45_read(bp, phy_blk[port],
  7151. MDIO_PMA_DEVAD,
  7152. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  7153. bnx2x_cl45_write(bp, phy_blk[port],
  7154. MDIO_PMA_DEVAD,
  7155. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  7156. msleep(15);
  7157. /* Read modify write the SPI-ROM version select register */
  7158. bnx2x_cl45_read(bp, phy_blk[port],
  7159. MDIO_PMA_DEVAD,
  7160. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  7161. bnx2x_cl45_write(bp, phy_blk[port],
  7162. MDIO_PMA_DEVAD,
  7163. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  7164. /* set GPIO2 back to LOW */
  7165. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7166. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7167. }
  7168. return 0;
  7169. }
  7170. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  7171. u32 shmem_base_path[],
  7172. u32 shmem2_base_path[], u8 phy_index,
  7173. u32 chip_id)
  7174. {
  7175. u32 val;
  7176. s8 port;
  7177. struct bnx2x_phy phy;
  7178. /* Use port1 because of the static port-swap */
  7179. /* Enable the module detection interrupt */
  7180. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  7181. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  7182. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  7183. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  7184. bnx2x_ext_phy_hw_reset(bp, 0);
  7185. msleep(5);
  7186. for (port = 0; port < PORT_MAX; port++) {
  7187. u32 shmem_base, shmem2_base;
  7188. /* In E2, same phy is using for port0 of the two paths */
  7189. if (CHIP_IS_E2(bp)) {
  7190. shmem_base = shmem_base_path[port];
  7191. shmem2_base = shmem2_base_path[port];
  7192. } else {
  7193. shmem_base = shmem_base_path[0];
  7194. shmem2_base = shmem2_base_path[0];
  7195. }
  7196. /* Extract the ext phy address for the port */
  7197. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7198. port, &phy) !=
  7199. 0) {
  7200. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7201. return -EINVAL;
  7202. }
  7203. /* Reset phy*/
  7204. bnx2x_cl45_write(bp, &phy,
  7205. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7206. /* Set fault module detected LED on */
  7207. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  7208. MISC_REGISTERS_GPIO_HIGH,
  7209. port);
  7210. }
  7211. return 0;
  7212. }
  7213. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  7214. u8 *io_gpio, u8 *io_port)
  7215. {
  7216. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  7217. offsetof(struct shmem_region,
  7218. dev_info.port_hw_config[PORT_0].default_cfg));
  7219. switch (phy_gpio_reset) {
  7220. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  7221. *io_gpio = 0;
  7222. *io_port = 0;
  7223. break;
  7224. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  7225. *io_gpio = 1;
  7226. *io_port = 0;
  7227. break;
  7228. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  7229. *io_gpio = 2;
  7230. *io_port = 0;
  7231. break;
  7232. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  7233. *io_gpio = 3;
  7234. *io_port = 0;
  7235. break;
  7236. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  7237. *io_gpio = 0;
  7238. *io_port = 1;
  7239. break;
  7240. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  7241. *io_gpio = 1;
  7242. *io_port = 1;
  7243. break;
  7244. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  7245. *io_gpio = 2;
  7246. *io_port = 1;
  7247. break;
  7248. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  7249. *io_gpio = 3;
  7250. *io_port = 1;
  7251. break;
  7252. default:
  7253. /* Don't override the io_gpio and io_port */
  7254. break;
  7255. }
  7256. }
  7257. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  7258. u32 shmem_base_path[],
  7259. u32 shmem2_base_path[], u8 phy_index,
  7260. u32 chip_id)
  7261. {
  7262. s8 port, reset_gpio;
  7263. u32 swap_val, swap_override;
  7264. struct bnx2x_phy phy[PORT_MAX];
  7265. struct bnx2x_phy *phy_blk[PORT_MAX];
  7266. s8 port_of_path;
  7267. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7268. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7269. reset_gpio = MISC_REGISTERS_GPIO_1;
  7270. port = 1;
  7271. /*
  7272. * Retrieve the reset gpio/port which control the reset.
  7273. * Default is GPIO1, PORT1
  7274. */
  7275. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  7276. (u8 *)&reset_gpio, (u8 *)&port);
  7277. /* Calculate the port based on port swap */
  7278. port ^= (swap_val && swap_override);
  7279. /* Initiate PHY reset*/
  7280. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  7281. port);
  7282. msleep(1);
  7283. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  7284. port);
  7285. msleep(5);
  7286. /* PART1 - Reset both phys */
  7287. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7288. u32 shmem_base, shmem2_base;
  7289. /* In E2, same phy is using for port0 of the two paths */
  7290. if (CHIP_IS_E2(bp)) {
  7291. shmem_base = shmem_base_path[port];
  7292. shmem2_base = shmem2_base_path[port];
  7293. port_of_path = 0;
  7294. } else {
  7295. shmem_base = shmem_base_path[0];
  7296. shmem2_base = shmem2_base_path[0];
  7297. port_of_path = port;
  7298. }
  7299. /* Extract the ext phy address for the port */
  7300. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7301. port_of_path, &phy[port]) !=
  7302. 0) {
  7303. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7304. return -EINVAL;
  7305. }
  7306. /* disable attentions */
  7307. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  7308. port_of_path*4,
  7309. (NIG_MASK_XGXS0_LINK_STATUS |
  7310. NIG_MASK_XGXS0_LINK10G |
  7311. NIG_MASK_SERDES0_LINK_STATUS |
  7312. NIG_MASK_MI_INT));
  7313. /* Reset the phy */
  7314. bnx2x_cl45_write(bp, &phy[port],
  7315. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7316. }
  7317. /* Add delay of 150ms after reset */
  7318. msleep(150);
  7319. if (phy[PORT_0].addr & 0x1) {
  7320. phy_blk[PORT_0] = &(phy[PORT_1]);
  7321. phy_blk[PORT_1] = &(phy[PORT_0]);
  7322. } else {
  7323. phy_blk[PORT_0] = &(phy[PORT_0]);
  7324. phy_blk[PORT_1] = &(phy[PORT_1]);
  7325. }
  7326. /* PART2 - Download firmware to both phys */
  7327. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  7328. if (CHIP_IS_E2(bp))
  7329. port_of_path = 0;
  7330. else
  7331. port_of_path = port;
  7332. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  7333. phy_blk[port]->addr);
  7334. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  7335. port_of_path))
  7336. return -EINVAL;
  7337. }
  7338. return 0;
  7339. }
  7340. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  7341. u32 shmem2_base_path[], u8 phy_index,
  7342. u32 ext_phy_type, u32 chip_id)
  7343. {
  7344. int rc = 0;
  7345. switch (ext_phy_type) {
  7346. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  7347. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  7348. shmem2_base_path,
  7349. phy_index, chip_id);
  7350. break;
  7351. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7352. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7353. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  7354. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  7355. shmem2_base_path,
  7356. phy_index, chip_id);
  7357. break;
  7358. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7359. /*
  7360. * GPIO1 affects both ports, so there's need to pull
  7361. * it for single port alone
  7362. */
  7363. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  7364. shmem2_base_path,
  7365. phy_index, chip_id);
  7366. break;
  7367. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  7368. rc = -EINVAL;
  7369. break;
  7370. default:
  7371. DP(NETIF_MSG_LINK,
  7372. "ext_phy 0x%x common init not required\n",
  7373. ext_phy_type);
  7374. break;
  7375. }
  7376. if (rc != 0)
  7377. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  7378. " Port %d\n",
  7379. 0);
  7380. return rc;
  7381. }
  7382. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  7383. u32 shmem2_base_path[], u32 chip_id)
  7384. {
  7385. int rc = 0;
  7386. u32 phy_ver;
  7387. u8 phy_index;
  7388. u32 ext_phy_type, ext_phy_config;
  7389. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  7390. /* Check if common init was already done */
  7391. phy_ver = REG_RD(bp, shmem_base_path[0] +
  7392. offsetof(struct shmem_region,
  7393. port_mb[PORT_0].ext_phy_fw_version));
  7394. if (phy_ver) {
  7395. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  7396. phy_ver);
  7397. return 0;
  7398. }
  7399. /* Read the ext_phy_type for arbitrary port(0) */
  7400. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7401. phy_index++) {
  7402. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  7403. shmem_base_path[0],
  7404. phy_index, 0);
  7405. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  7406. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  7407. shmem2_base_path,
  7408. phy_index, ext_phy_type,
  7409. chip_id);
  7410. }
  7411. return rc;
  7412. }
  7413. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  7414. {
  7415. u8 phy_index;
  7416. struct bnx2x_phy phy;
  7417. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  7418. phy_index++) {
  7419. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7420. 0, &phy) != 0) {
  7421. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7422. return 0;
  7423. }
  7424. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  7425. return 1;
  7426. }
  7427. return 0;
  7428. }
  7429. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  7430. u32 shmem_base,
  7431. u32 shmem2_base,
  7432. u8 port)
  7433. {
  7434. u8 phy_index, fan_failure_det_req = 0;
  7435. struct bnx2x_phy phy;
  7436. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7437. phy_index++) {
  7438. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  7439. port, &phy)
  7440. != 0) {
  7441. DP(NETIF_MSG_LINK, "populate phy failed\n");
  7442. return 0;
  7443. }
  7444. fan_failure_det_req |= (phy.flags &
  7445. FLAGS_FAN_FAILURE_DET_REQ);
  7446. }
  7447. return fan_failure_det_req;
  7448. }
  7449. void bnx2x_hw_reset_phy(struct link_params *params)
  7450. {
  7451. u8 phy_index;
  7452. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  7453. phy_index++) {
  7454. if (params->phy[phy_index].hw_reset) {
  7455. params->phy[phy_index].hw_reset(
  7456. &params->phy[phy_index],
  7457. params);
  7458. params->phy[phy_index] = phy_null;
  7459. }
  7460. }
  7461. }