bnx2x_link.c 411 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. * Copyright (c) 2014 QLogic Corporation
  3. * All rights reserved
  4. *
  5. * Unless you and QLogic execute a separate written software license
  6. * agreement governing use of this software, this software is licensed to you
  7. * under the terms of the GNU General Public License version 2, available
  8. * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
  9. *
  10. * Notwithstanding the above, under no circumstances may you combine this
  11. * software in any way with any other Qlogic software provided under a
  12. * license other than the GPL, without Qlogic's express prior written
  13. * consent.
  14. *
  15. * Written by Yaniv Rosner
  16. *
  17. */
  18. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19. #include <linux/kernel.h>
  20. #include <linux/errno.h>
  21. #include <linux/pci.h>
  22. #include <linux/netdevice.h>
  23. #include <linux/delay.h>
  24. #include <linux/ethtool.h>
  25. #include <linux/mutex.h>
  26. #include "bnx2x.h"
  27. #include "bnx2x_cmn.h"
  28. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  29. struct link_params *params,
  30. u8 dev_addr, u16 addr, u8 byte_cnt,
  31. u8 *o_buf, u8);
  32. /********************************************************/
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  113. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  114. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  115. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  116. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  117. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  118. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  119. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  120. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  121. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  122. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  123. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  124. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  125. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  126. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  127. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  128. #define LINK_UPDATE_MASK \
  129. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  130. LINK_STATUS_LINK_UP | \
  131. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  132. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  133. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  134. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  135. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  136. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  137. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  138. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  139. #define SFP_EEPROM_CON_TYPE_VAL_UNKNOWN 0x0
  140. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  141. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  142. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  143. #define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
  144. #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
  145. #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
  146. #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
  147. #define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
  148. #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
  149. #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
  150. #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
  151. #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
  152. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  153. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  154. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  155. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  156. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  157. #define SFP_EEPROM_OPTIONS_SIZE 2
  158. #define EDC_MODE_LINEAR 0x0022
  159. #define EDC_MODE_LIMITING 0x0044
  160. #define EDC_MODE_PASSIVE_DAC 0x0055
  161. #define EDC_MODE_ACTIVE_DAC 0x0066
  162. /* ETS defines*/
  163. #define DCBX_INVALID_COS (0xFF)
  164. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  165. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  166. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  167. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  168. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  169. #define MAX_PACKET_SIZE (9700)
  170. #define MAX_KR_LINK_RETRY 4
  171. #define DEFAULT_TX_DRV_BRDCT 2
  172. #define DEFAULT_TX_DRV_IFIR 0
  173. #define DEFAULT_TX_DRV_POST2 3
  174. #define DEFAULT_TX_DRV_IPRE_DRIVER 6
  175. /**********************************************************/
  176. /* INTERFACE */
  177. /**********************************************************/
  178. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  179. bnx2x_cl45_write(_bp, _phy, \
  180. (_phy)->def_md_devad, \
  181. (_bank + (_addr & 0xf)), \
  182. _val)
  183. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  184. bnx2x_cl45_read(_bp, _phy, \
  185. (_phy)->def_md_devad, \
  186. (_bank + (_addr & 0xf)), \
  187. _val)
  188. static int bnx2x_check_half_open_conn(struct link_params *params,
  189. struct link_vars *vars, u8 notify);
  190. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  191. struct link_params *params);
  192. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  193. {
  194. u32 val = REG_RD(bp, reg);
  195. val |= bits;
  196. REG_WR(bp, reg, val);
  197. return val;
  198. }
  199. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  200. {
  201. u32 val = REG_RD(bp, reg);
  202. val &= ~bits;
  203. REG_WR(bp, reg, val);
  204. return val;
  205. }
  206. /*
  207. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  208. * or link flap can be avoided.
  209. *
  210. * @params: link parameters
  211. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  212. * condition code.
  213. */
  214. static int bnx2x_check_lfa(struct link_params *params)
  215. {
  216. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  217. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  218. u32 saved_val, req_val, eee_status;
  219. struct bnx2x *bp = params->bp;
  220. additional_config =
  221. REG_RD(bp, params->lfa_base +
  222. offsetof(struct shmem_lfa, additional_config));
  223. /* NOTE: must be first condition checked -
  224. * to verify DCC bit is cleared in any case!
  225. */
  226. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  227. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  228. REG_WR(bp, params->lfa_base +
  229. offsetof(struct shmem_lfa, additional_config),
  230. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  231. return LFA_DCC_LFA_DISABLED;
  232. }
  233. /* Verify that link is up */
  234. link_status = REG_RD(bp, params->shmem_base +
  235. offsetof(struct shmem_region,
  236. port_mb[params->port].link_status));
  237. if (!(link_status & LINK_STATUS_LINK_UP))
  238. return LFA_LINK_DOWN;
  239. /* if loaded after BOOT from SAN, don't flap the link in any case and
  240. * rely on link set by preboot driver
  241. */
  242. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  243. return 0;
  244. /* Verify that loopback mode is not set */
  245. if (params->loopback_mode)
  246. return LFA_LOOPBACK_ENABLED;
  247. /* Verify that MFW supports LFA */
  248. if (!params->lfa_base)
  249. return LFA_MFW_IS_TOO_OLD;
  250. if (params->num_phys == 3) {
  251. cfg_size = 2;
  252. lfa_mask = 0xffffffff;
  253. } else {
  254. cfg_size = 1;
  255. lfa_mask = 0xffff;
  256. }
  257. /* Compare Duplex */
  258. saved_val = REG_RD(bp, params->lfa_base +
  259. offsetof(struct shmem_lfa, req_duplex));
  260. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  261. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  262. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  263. (saved_val & lfa_mask), (req_val & lfa_mask));
  264. return LFA_DUPLEX_MISMATCH;
  265. }
  266. /* Compare Flow Control */
  267. saved_val = REG_RD(bp, params->lfa_base +
  268. offsetof(struct shmem_lfa, req_flow_ctrl));
  269. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  270. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  271. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  272. (saved_val & lfa_mask), (req_val & lfa_mask));
  273. return LFA_FLOW_CTRL_MISMATCH;
  274. }
  275. /* Compare Link Speed */
  276. saved_val = REG_RD(bp, params->lfa_base +
  277. offsetof(struct shmem_lfa, req_line_speed));
  278. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  279. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  280. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  281. (saved_val & lfa_mask), (req_val & lfa_mask));
  282. return LFA_LINK_SPEED_MISMATCH;
  283. }
  284. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  285. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  286. offsetof(struct shmem_lfa,
  287. speed_cap_mask[cfg_idx]));
  288. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  289. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  290. cur_speed_cap_mask,
  291. params->speed_cap_mask[cfg_idx]);
  292. return LFA_SPEED_CAP_MISMATCH;
  293. }
  294. }
  295. cur_req_fc_auto_adv =
  296. REG_RD(bp, params->lfa_base +
  297. offsetof(struct shmem_lfa, additional_config)) &
  298. REQ_FC_AUTO_ADV_MASK;
  299. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  300. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  301. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  302. return LFA_FLOW_CTRL_MISMATCH;
  303. }
  304. eee_status = REG_RD(bp, params->shmem2_base +
  305. offsetof(struct shmem2_region,
  306. eee_status[params->port]));
  307. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  308. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  309. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  310. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  311. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  312. eee_status);
  313. return LFA_EEE_MISMATCH;
  314. }
  315. /* LFA conditions are met */
  316. return 0;
  317. }
  318. /******************************************************************/
  319. /* EPIO/GPIO section */
  320. /******************************************************************/
  321. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  322. {
  323. u32 epio_mask, gp_oenable;
  324. *en = 0;
  325. /* Sanity check */
  326. if (epio_pin > 31) {
  327. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  328. return;
  329. }
  330. epio_mask = 1 << epio_pin;
  331. /* Set this EPIO to output */
  332. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  333. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  334. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  335. }
  336. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  337. {
  338. u32 epio_mask, gp_output, gp_oenable;
  339. /* Sanity check */
  340. if (epio_pin > 31) {
  341. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  342. return;
  343. }
  344. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  345. epio_mask = 1 << epio_pin;
  346. /* Set this EPIO to output */
  347. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  348. if (en)
  349. gp_output |= epio_mask;
  350. else
  351. gp_output &= ~epio_mask;
  352. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  353. /* Set the value for this EPIO */
  354. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  355. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  356. }
  357. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  358. {
  359. if (pin_cfg == PIN_CFG_NA)
  360. return;
  361. if (pin_cfg >= PIN_CFG_EPIO0) {
  362. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  363. } else {
  364. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  365. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  366. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  367. }
  368. }
  369. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  370. {
  371. if (pin_cfg == PIN_CFG_NA)
  372. return -EINVAL;
  373. if (pin_cfg >= PIN_CFG_EPIO0) {
  374. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  375. } else {
  376. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  377. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  378. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  379. }
  380. return 0;
  381. }
  382. /******************************************************************/
  383. /* ETS section */
  384. /******************************************************************/
  385. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  386. {
  387. /* ETS disabled configuration*/
  388. struct bnx2x *bp = params->bp;
  389. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  390. /* mapping between entry priority to client number (0,1,2 -debug and
  391. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  392. * 3bits client num.
  393. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  394. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  395. */
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  397. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  398. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  399. * COS0 entry, 4 - COS1 entry.
  400. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  401. * bit4 bit3 bit2 bit1 bit0
  402. * MCP and debug are strict
  403. */
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  405. /* defines which entries (clients) are subjected to WFQ arbitration */
  406. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  407. /* For strict priority entries defines the number of consecutive
  408. * slots for the highest priority.
  409. */
  410. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  411. /* mapping between the CREDIT_WEIGHT registers and actual client
  412. * numbers
  413. */
  414. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  415. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  416. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  417. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  418. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  419. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  420. /* ETS mode disable */
  421. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  422. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  423. * weight for COS0/COS1.
  424. */
  425. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  426. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  427. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  428. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  429. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  430. /* Defines the number of consecutive slots for the strict priority */
  431. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Getting min_w_val will be set according to line speed .
  436. *.
  437. ******************************************************************************/
  438. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  439. {
  440. u32 min_w_val = 0;
  441. /* Calculate min_w_val.*/
  442. if (vars->link_up) {
  443. if (vars->line_speed == SPEED_20000)
  444. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  445. else
  446. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  447. } else
  448. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  449. /* If the link isn't up (static configuration for example ) The
  450. * link will be according to 20GBPS.
  451. */
  452. return min_w_val;
  453. }
  454. /******************************************************************************
  455. * Description:
  456. * Getting credit upper bound form min_w_val.
  457. *.
  458. ******************************************************************************/
  459. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  460. {
  461. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  462. MAX_PACKET_SIZE);
  463. return credit_upper_bound;
  464. }
  465. /******************************************************************************
  466. * Description:
  467. * Set credit upper bound for NIG.
  468. *.
  469. ******************************************************************************/
  470. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  471. const struct link_params *params,
  472. const u32 min_w_val)
  473. {
  474. struct bnx2x *bp = params->bp;
  475. const u8 port = params->port;
  476. const u32 credit_upper_bound =
  477. bnx2x_ets_get_credit_upper_bound(min_w_val);
  478. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  479. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  480. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  481. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  482. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  483. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  484. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  485. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  486. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  487. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  488. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  489. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  490. if (!port) {
  491. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  492. credit_upper_bound);
  493. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  494. credit_upper_bound);
  495. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  496. credit_upper_bound);
  497. }
  498. }
  499. /******************************************************************************
  500. * Description:
  501. * Will return the NIG ETS registers to init values.Except
  502. * credit_upper_bound.
  503. * That isn't used in this configuration (No WFQ is enabled) and will be
  504. * configured according to spec
  505. *.
  506. ******************************************************************************/
  507. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  508. const struct link_vars *vars)
  509. {
  510. struct bnx2x *bp = params->bp;
  511. const u8 port = params->port;
  512. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  513. /* Mapping between entry priority to client number (0,1,2 -debug and
  514. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  515. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  516. * reset value or init tool
  517. */
  518. if (port) {
  519. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  520. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  521. } else {
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  524. }
  525. /* For strict priority entries defines the number of consecutive
  526. * slots for the highest priority.
  527. */
  528. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  529. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  530. /* Mapping between the CREDIT_WEIGHT registers and actual client
  531. * numbers
  532. */
  533. if (port) {
  534. /*Port 1 has 6 COS*/
  535. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  536. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  537. } else {
  538. /*Port 0 has 9 COS*/
  539. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  540. 0x43210876);
  541. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  542. }
  543. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  544. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  545. * COS0 entry, 4 - COS1 entry.
  546. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  547. * bit4 bit3 bit2 bit1 bit0
  548. * MCP and debug are strict
  549. */
  550. if (port)
  551. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  552. else
  553. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  554. /* defines which entries (clients) are subjected to WFQ arbitration */
  555. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  556. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  557. /* Please notice the register address are note continuous and a
  558. * for here is note appropriate.In 2 port mode port0 only COS0-5
  559. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  560. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  561. * are never used for WFQ
  562. */
  563. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  564. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  565. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  566. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  567. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  568. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  569. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  570. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  571. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  572. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  573. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  574. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  575. if (!port) {
  576. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  577. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  578. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  579. }
  580. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  581. }
  582. /******************************************************************************
  583. * Description:
  584. * Set credit upper bound for PBF.
  585. *.
  586. ******************************************************************************/
  587. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  588. const struct link_params *params,
  589. const u32 min_w_val)
  590. {
  591. struct bnx2x *bp = params->bp;
  592. const u32 credit_upper_bound =
  593. bnx2x_ets_get_credit_upper_bound(min_w_val);
  594. const u8 port = params->port;
  595. u32 base_upper_bound = 0;
  596. u8 max_cos = 0;
  597. u8 i = 0;
  598. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  599. * port mode port1 has COS0-2 that can be used for WFQ.
  600. */
  601. if (!port) {
  602. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  603. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  604. } else {
  605. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  606. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  607. }
  608. for (i = 0; i < max_cos; i++)
  609. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  610. }
  611. /******************************************************************************
  612. * Description:
  613. * Will return the PBF ETS registers to init values.Except
  614. * credit_upper_bound.
  615. * That isn't used in this configuration (No WFQ is enabled) and will be
  616. * configured according to spec
  617. *.
  618. ******************************************************************************/
  619. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  620. {
  621. struct bnx2x *bp = params->bp;
  622. const u8 port = params->port;
  623. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  624. u8 i = 0;
  625. u32 base_weight = 0;
  626. u8 max_cos = 0;
  627. /* Mapping between entry priority to client number 0 - COS0
  628. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  629. * TODO_ETS - Should be done by reset value or init tool
  630. */
  631. if (port)
  632. /* 0x688 (|011|0 10|00 1|000) */
  633. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  634. else
  635. /* (10 1|100 |011|0 10|00 1|000) */
  636. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  637. /* TODO_ETS - Should be done by reset value or init tool */
  638. if (port)
  639. /* 0x688 (|011|0 10|00 1|000)*/
  640. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  641. else
  642. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  643. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  644. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  645. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  646. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  647. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  648. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  649. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  650. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  651. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  652. */
  653. if (!port) {
  654. base_weight = PBF_REG_COS0_WEIGHT_P0;
  655. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  656. } else {
  657. base_weight = PBF_REG_COS0_WEIGHT_P1;
  658. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  659. }
  660. for (i = 0; i < max_cos; i++)
  661. REG_WR(bp, base_weight + (0x4 * i), 0);
  662. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  663. }
  664. /******************************************************************************
  665. * Description:
  666. * E3B0 disable will return basically the values to init values.
  667. *.
  668. ******************************************************************************/
  669. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  670. const struct link_vars *vars)
  671. {
  672. struct bnx2x *bp = params->bp;
  673. if (!CHIP_IS_E3B0(bp)) {
  674. DP(NETIF_MSG_LINK,
  675. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  676. return -EINVAL;
  677. }
  678. bnx2x_ets_e3b0_nig_disabled(params, vars);
  679. bnx2x_ets_e3b0_pbf_disabled(params);
  680. return 0;
  681. }
  682. /******************************************************************************
  683. * Description:
  684. * Disable will return basically the values to init values.
  685. *
  686. ******************************************************************************/
  687. int bnx2x_ets_disabled(struct link_params *params,
  688. struct link_vars *vars)
  689. {
  690. struct bnx2x *bp = params->bp;
  691. int bnx2x_status = 0;
  692. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  693. bnx2x_ets_e2e3a0_disabled(params);
  694. else if (CHIP_IS_E3B0(bp))
  695. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  696. else {
  697. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  698. return -EINVAL;
  699. }
  700. return bnx2x_status;
  701. }
  702. /******************************************************************************
  703. * Description
  704. * Set the COS mappimg to SP and BW until this point all the COS are not
  705. * set as SP or BW.
  706. ******************************************************************************/
  707. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  708. const struct bnx2x_ets_params *ets_params,
  709. const u8 cos_sp_bitmap,
  710. const u8 cos_bw_bitmap)
  711. {
  712. struct bnx2x *bp = params->bp;
  713. const u8 port = params->port;
  714. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  715. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  716. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  717. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  718. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  719. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  720. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  721. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  722. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  723. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  724. nig_cli_subject2wfq_bitmap);
  725. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  726. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  727. pbf_cli_subject2wfq_bitmap);
  728. return 0;
  729. }
  730. /******************************************************************************
  731. * Description:
  732. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  733. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  734. ******************************************************************************/
  735. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  736. const u8 cos_entry,
  737. const u32 min_w_val_nig,
  738. const u32 min_w_val_pbf,
  739. const u16 total_bw,
  740. const u8 bw,
  741. const u8 port)
  742. {
  743. u32 nig_reg_adress_crd_weight = 0;
  744. u32 pbf_reg_adress_crd_weight = 0;
  745. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  746. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  747. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  748. switch (cos_entry) {
  749. case 0:
  750. nig_reg_adress_crd_weight =
  751. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  752. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  753. pbf_reg_adress_crd_weight = (port) ?
  754. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  755. break;
  756. case 1:
  757. nig_reg_adress_crd_weight = (port) ?
  758. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  759. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  760. pbf_reg_adress_crd_weight = (port) ?
  761. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  762. break;
  763. case 2:
  764. nig_reg_adress_crd_weight = (port) ?
  765. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  766. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  767. pbf_reg_adress_crd_weight = (port) ?
  768. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  769. break;
  770. case 3:
  771. if (port)
  772. return -EINVAL;
  773. nig_reg_adress_crd_weight =
  774. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  775. pbf_reg_adress_crd_weight =
  776. PBF_REG_COS3_WEIGHT_P0;
  777. break;
  778. case 4:
  779. if (port)
  780. return -EINVAL;
  781. nig_reg_adress_crd_weight =
  782. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  783. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  784. break;
  785. case 5:
  786. if (port)
  787. return -EINVAL;
  788. nig_reg_adress_crd_weight =
  789. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  790. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  791. break;
  792. }
  793. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  794. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  795. return 0;
  796. }
  797. /******************************************************************************
  798. * Description:
  799. * Calculate the total BW.A value of 0 isn't legal.
  800. *
  801. ******************************************************************************/
  802. static int bnx2x_ets_e3b0_get_total_bw(
  803. const struct link_params *params,
  804. struct bnx2x_ets_params *ets_params,
  805. u16 *total_bw)
  806. {
  807. struct bnx2x *bp = params->bp;
  808. u8 cos_idx = 0;
  809. u8 is_bw_cos_exist = 0;
  810. *total_bw = 0 ;
  811. /* Calculate total BW requested */
  812. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  813. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  814. is_bw_cos_exist = 1;
  815. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  816. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  817. "was set to 0\n");
  818. /* This is to prevent a state when ramrods
  819. * can't be sent
  820. */
  821. ets_params->cos[cos_idx].params.bw_params.bw
  822. = 1;
  823. }
  824. *total_bw +=
  825. ets_params->cos[cos_idx].params.bw_params.bw;
  826. }
  827. }
  828. /* Check total BW is valid */
  829. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  830. if (*total_bw == 0) {
  831. DP(NETIF_MSG_LINK,
  832. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  833. return -EINVAL;
  834. }
  835. DP(NETIF_MSG_LINK,
  836. "bnx2x_ets_E3B0_config total BW should be 100\n");
  837. /* We can handle a case whre the BW isn't 100 this can happen
  838. * if the TC are joined.
  839. */
  840. }
  841. return 0;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Invalidate all the sp_pri_to_cos.
  846. *
  847. ******************************************************************************/
  848. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  849. {
  850. u8 pri = 0;
  851. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  852. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  853. }
  854. /******************************************************************************
  855. * Description:
  856. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  857. * according to sp_pri_to_cos.
  858. *
  859. ******************************************************************************/
  860. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  861. u8 *sp_pri_to_cos, const u8 pri,
  862. const u8 cos_entry)
  863. {
  864. struct bnx2x *bp = params->bp;
  865. const u8 port = params->port;
  866. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  867. DCBX_E3B0_MAX_NUM_COS_PORT0;
  868. if (pri >= max_num_of_cos) {
  869. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  870. "parameter Illegal strict priority\n");
  871. return -EINVAL;
  872. }
  873. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  874. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  875. "parameter There can't be two COS's with "
  876. "the same strict pri\n");
  877. return -EINVAL;
  878. }
  879. sp_pri_to_cos[pri] = cos_entry;
  880. return 0;
  881. }
  882. /******************************************************************************
  883. * Description:
  884. * Returns the correct value according to COS and priority in
  885. * the sp_pri_cli register.
  886. *
  887. ******************************************************************************/
  888. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  889. const u8 pri_set,
  890. const u8 pri_offset,
  891. const u8 entry_size)
  892. {
  893. u64 pri_cli_nig = 0;
  894. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  895. (pri_set + pri_offset));
  896. return pri_cli_nig;
  897. }
  898. /******************************************************************************
  899. * Description:
  900. * Returns the correct value according to COS and priority in the
  901. * sp_pri_cli register for NIG.
  902. *
  903. ******************************************************************************/
  904. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  905. {
  906. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  907. const u8 nig_cos_offset = 3;
  908. const u8 nig_pri_offset = 3;
  909. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  910. nig_pri_offset, 4);
  911. }
  912. /******************************************************************************
  913. * Description:
  914. * Returns the correct value according to COS and priority in the
  915. * sp_pri_cli register for PBF.
  916. *
  917. ******************************************************************************/
  918. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  919. {
  920. const u8 pbf_cos_offset = 0;
  921. const u8 pbf_pri_offset = 0;
  922. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  923. pbf_pri_offset, 3);
  924. }
  925. /******************************************************************************
  926. * Description:
  927. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  928. * according to sp_pri_to_cos.(which COS has higher priority)
  929. *
  930. ******************************************************************************/
  931. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  932. u8 *sp_pri_to_cos)
  933. {
  934. struct bnx2x *bp = params->bp;
  935. u8 i = 0;
  936. const u8 port = params->port;
  937. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  938. u64 pri_cli_nig = 0x210;
  939. u32 pri_cli_pbf = 0x0;
  940. u8 pri_set = 0;
  941. u8 pri_bitmask = 0;
  942. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  943. DCBX_E3B0_MAX_NUM_COS_PORT0;
  944. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  945. /* Set all the strict priority first */
  946. for (i = 0; i < max_num_of_cos; i++) {
  947. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  948. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  949. DP(NETIF_MSG_LINK,
  950. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  951. "invalid cos entry\n");
  952. return -EINVAL;
  953. }
  954. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  955. sp_pri_to_cos[i], pri_set);
  956. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  957. sp_pri_to_cos[i], pri_set);
  958. pri_bitmask = 1 << sp_pri_to_cos[i];
  959. /* COS is used remove it from bitmap.*/
  960. if (!(pri_bitmask & cos_bit_to_set)) {
  961. DP(NETIF_MSG_LINK,
  962. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  963. "invalid There can't be two COS's with"
  964. " the same strict pri\n");
  965. return -EINVAL;
  966. }
  967. cos_bit_to_set &= ~pri_bitmask;
  968. pri_set++;
  969. }
  970. }
  971. /* Set all the Non strict priority i= COS*/
  972. for (i = 0; i < max_num_of_cos; i++) {
  973. pri_bitmask = 1 << i;
  974. /* Check if COS was already used for SP */
  975. if (pri_bitmask & cos_bit_to_set) {
  976. /* COS wasn't used for SP */
  977. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  978. i, pri_set);
  979. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  980. i, pri_set);
  981. /* COS is used remove it from bitmap.*/
  982. cos_bit_to_set &= ~pri_bitmask;
  983. pri_set++;
  984. }
  985. }
  986. if (pri_set != max_num_of_cos) {
  987. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  988. "entries were set\n");
  989. return -EINVAL;
  990. }
  991. if (port) {
  992. /* Only 6 usable clients*/
  993. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  994. (u32)pri_cli_nig);
  995. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  996. } else {
  997. /* Only 9 usable clients*/
  998. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  999. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  1000. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  1001. pri_cli_nig_lsb);
  1002. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  1003. pri_cli_nig_msb);
  1004. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  1005. }
  1006. return 0;
  1007. }
  1008. /******************************************************************************
  1009. * Description:
  1010. * Configure the COS to ETS according to BW and SP settings.
  1011. ******************************************************************************/
  1012. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1013. const struct link_vars *vars,
  1014. struct bnx2x_ets_params *ets_params)
  1015. {
  1016. struct bnx2x *bp = params->bp;
  1017. int bnx2x_status = 0;
  1018. const u8 port = params->port;
  1019. u16 total_bw = 0;
  1020. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1021. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1022. u8 cos_bw_bitmap = 0;
  1023. u8 cos_sp_bitmap = 0;
  1024. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1025. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1026. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1027. u8 cos_entry = 0;
  1028. if (!CHIP_IS_E3B0(bp)) {
  1029. DP(NETIF_MSG_LINK,
  1030. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1031. return -EINVAL;
  1032. }
  1033. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1034. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1035. "isn't supported\n");
  1036. return -EINVAL;
  1037. }
  1038. /* Prepare sp strict priority parameters*/
  1039. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1040. /* Prepare BW parameters*/
  1041. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1042. &total_bw);
  1043. if (bnx2x_status) {
  1044. DP(NETIF_MSG_LINK,
  1045. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1046. return -EINVAL;
  1047. }
  1048. /* Upper bound is set according to current link speed (min_w_val
  1049. * should be the same for upper bound and COS credit val).
  1050. */
  1051. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1052. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1053. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1054. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1055. cos_bw_bitmap |= (1 << cos_entry);
  1056. /* The function also sets the BW in HW(not the mappin
  1057. * yet)
  1058. */
  1059. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1060. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1061. total_bw,
  1062. ets_params->cos[cos_entry].params.bw_params.bw,
  1063. port);
  1064. } else if (bnx2x_cos_state_strict ==
  1065. ets_params->cos[cos_entry].state){
  1066. cos_sp_bitmap |= (1 << cos_entry);
  1067. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1068. params,
  1069. sp_pri_to_cos,
  1070. ets_params->cos[cos_entry].params.sp_params.pri,
  1071. cos_entry);
  1072. } else {
  1073. DP(NETIF_MSG_LINK,
  1074. "bnx2x_ets_e3b0_config cos state not valid\n");
  1075. return -EINVAL;
  1076. }
  1077. if (bnx2x_status) {
  1078. DP(NETIF_MSG_LINK,
  1079. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1080. return bnx2x_status;
  1081. }
  1082. }
  1083. /* Set SP register (which COS has higher priority) */
  1084. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1085. sp_pri_to_cos);
  1086. if (bnx2x_status) {
  1087. DP(NETIF_MSG_LINK,
  1088. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1089. return bnx2x_status;
  1090. }
  1091. /* Set client mapping of BW and strict */
  1092. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1093. cos_sp_bitmap,
  1094. cos_bw_bitmap);
  1095. if (bnx2x_status) {
  1096. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1097. return bnx2x_status;
  1098. }
  1099. return 0;
  1100. }
  1101. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1102. {
  1103. /* ETS disabled configuration */
  1104. struct bnx2x *bp = params->bp;
  1105. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1106. /* Defines which entries (clients) are subjected to WFQ arbitration
  1107. * COS0 0x8
  1108. * COS1 0x10
  1109. */
  1110. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1111. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1112. * client numbers (WEIGHT_0 does not actually have to represent
  1113. * client 0)
  1114. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1115. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1116. */
  1117. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1118. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1119. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1120. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1121. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1122. /* ETS mode enabled*/
  1123. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1124. /* Defines the number of consecutive slots for the strict priority */
  1125. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1126. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1127. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1128. * entry, 4 - COS1 entry.
  1129. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1130. * bit4 bit3 bit2 bit1 bit0
  1131. * MCP and debug are strict
  1132. */
  1133. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1134. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1135. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1136. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1137. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1138. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1139. }
  1140. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1141. const u32 cos1_bw)
  1142. {
  1143. /* ETS disabled configuration*/
  1144. struct bnx2x *bp = params->bp;
  1145. const u32 total_bw = cos0_bw + cos1_bw;
  1146. u32 cos0_credit_weight = 0;
  1147. u32 cos1_credit_weight = 0;
  1148. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1149. if ((!total_bw) ||
  1150. (!cos0_bw) ||
  1151. (!cos1_bw)) {
  1152. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1153. return;
  1154. }
  1155. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1156. total_bw;
  1157. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1158. total_bw;
  1159. bnx2x_ets_bw_limit_common(params);
  1160. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1161. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1162. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1163. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1164. }
  1165. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1166. {
  1167. /* ETS disabled configuration*/
  1168. struct bnx2x *bp = params->bp;
  1169. u32 val = 0;
  1170. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1171. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1172. * as strict. Bits 0,1,2 - debug and management entries,
  1173. * 3 - COS0 entry, 4 - COS1 entry.
  1174. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1175. * bit4 bit3 bit2 bit1 bit0
  1176. * MCP and debug are strict
  1177. */
  1178. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1179. /* For strict priority entries defines the number of consecutive slots
  1180. * for the highest priority.
  1181. */
  1182. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1183. /* ETS mode disable */
  1184. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1185. /* Defines the number of consecutive slots for the strict priority */
  1186. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1187. /* Defines the number of consecutive slots for the strict priority */
  1188. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1189. /* Mapping between entry priority to client number (0,1,2 -debug and
  1190. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1191. * 3bits client num.
  1192. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1193. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1194. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1195. */
  1196. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1197. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1198. return 0;
  1199. }
  1200. /******************************************************************/
  1201. /* PFC section */
  1202. /******************************************************************/
  1203. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1204. struct link_vars *vars,
  1205. u8 is_lb)
  1206. {
  1207. struct bnx2x *bp = params->bp;
  1208. u32 xmac_base;
  1209. u32 pause_val, pfc0_val, pfc1_val;
  1210. /* XMAC base adrr */
  1211. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1212. /* Initialize pause and pfc registers */
  1213. pause_val = 0x18000;
  1214. pfc0_val = 0xFFFF8000;
  1215. pfc1_val = 0x2;
  1216. /* No PFC support */
  1217. if (!(params->feature_config_flags &
  1218. FEATURE_CONFIG_PFC_ENABLED)) {
  1219. /* RX flow control - Process pause frame in receive direction
  1220. */
  1221. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1222. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1223. /* TX flow control - Send pause packet when buffer is full */
  1224. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1225. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1226. } else {/* PFC support */
  1227. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1228. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1229. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1230. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1231. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1232. /* Write pause and PFC registers */
  1233. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1234. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1235. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1236. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1237. }
  1238. /* Write pause and PFC registers */
  1239. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1240. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1241. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1242. /* Set MAC address for source TX Pause/PFC frames */
  1243. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1244. ((params->mac_addr[2] << 24) |
  1245. (params->mac_addr[3] << 16) |
  1246. (params->mac_addr[4] << 8) |
  1247. (params->mac_addr[5])));
  1248. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1249. ((params->mac_addr[0] << 8) |
  1250. (params->mac_addr[1])));
  1251. udelay(30);
  1252. }
  1253. /******************************************************************/
  1254. /* MAC/PBF section */
  1255. /******************************************************************/
  1256. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1257. u32 emac_base)
  1258. {
  1259. u32 new_mode, cur_mode;
  1260. u32 clc_cnt;
  1261. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1262. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1263. */
  1264. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1265. if (USES_WARPCORE(bp))
  1266. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1267. else
  1268. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1269. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1270. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1271. return;
  1272. new_mode = cur_mode &
  1273. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1274. new_mode |= clc_cnt;
  1275. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1276. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1277. cur_mode, new_mode);
  1278. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1279. udelay(40);
  1280. }
  1281. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1282. struct link_params *params)
  1283. {
  1284. u8 phy_index;
  1285. /* Set mdio clock per phy */
  1286. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1287. phy_index++)
  1288. bnx2x_set_mdio_clk(bp, params->chip_id,
  1289. params->phy[phy_index].mdio_ctrl);
  1290. }
  1291. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1292. {
  1293. u32 port4mode_ovwr_val;
  1294. /* Check 4-port override enabled */
  1295. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1296. if (port4mode_ovwr_val & (1<<0)) {
  1297. /* Return 4-port mode override value */
  1298. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1299. }
  1300. /* Return 4-port mode from input pin */
  1301. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1302. }
  1303. static void bnx2x_emac_init(struct link_params *params,
  1304. struct link_vars *vars)
  1305. {
  1306. /* reset and unreset the emac core */
  1307. struct bnx2x *bp = params->bp;
  1308. u8 port = params->port;
  1309. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1310. u32 val;
  1311. u16 timeout;
  1312. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1313. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1314. udelay(5);
  1315. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1316. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1317. /* init emac - use read-modify-write */
  1318. /* self clear reset */
  1319. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1320. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1321. timeout = 200;
  1322. do {
  1323. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1324. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1325. if (!timeout) {
  1326. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1327. return;
  1328. }
  1329. timeout--;
  1330. } while (val & EMAC_MODE_RESET);
  1331. bnx2x_set_mdio_emac_per_phy(bp, params);
  1332. /* Set mac address */
  1333. val = ((params->mac_addr[0] << 8) |
  1334. params->mac_addr[1]);
  1335. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1336. val = ((params->mac_addr[2] << 24) |
  1337. (params->mac_addr[3] << 16) |
  1338. (params->mac_addr[4] << 8) |
  1339. params->mac_addr[5]);
  1340. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1341. }
  1342. static void bnx2x_set_xumac_nig(struct link_params *params,
  1343. u16 tx_pause_en,
  1344. u8 enable)
  1345. {
  1346. struct bnx2x *bp = params->bp;
  1347. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1348. enable);
  1349. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1350. enable);
  1351. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1352. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1353. }
  1354. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1355. {
  1356. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1357. u32 val;
  1358. struct bnx2x *bp = params->bp;
  1359. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1360. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1361. return;
  1362. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1363. if (en)
  1364. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1365. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1366. else
  1367. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1368. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1369. /* Disable RX and TX */
  1370. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1371. }
  1372. static void bnx2x_umac_enable(struct link_params *params,
  1373. struct link_vars *vars, u8 lb)
  1374. {
  1375. u32 val;
  1376. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1377. struct bnx2x *bp = params->bp;
  1378. /* Reset UMAC */
  1379. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1380. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1381. usleep_range(1000, 2000);
  1382. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1383. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1384. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1385. /* This register opens the gate for the UMAC despite its name */
  1386. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1387. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1388. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1389. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1390. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1391. switch (vars->line_speed) {
  1392. case SPEED_10:
  1393. val |= (0<<2);
  1394. break;
  1395. case SPEED_100:
  1396. val |= (1<<2);
  1397. break;
  1398. case SPEED_1000:
  1399. val |= (2<<2);
  1400. break;
  1401. case SPEED_2500:
  1402. val |= (3<<2);
  1403. break;
  1404. default:
  1405. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1406. vars->line_speed);
  1407. break;
  1408. }
  1409. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1410. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1411. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1412. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1413. if (vars->duplex == DUPLEX_HALF)
  1414. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1415. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1416. udelay(50);
  1417. /* Configure UMAC for EEE */
  1418. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1419. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1420. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1421. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1422. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1423. } else {
  1424. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1425. }
  1426. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1427. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1428. ((params->mac_addr[2] << 24) |
  1429. (params->mac_addr[3] << 16) |
  1430. (params->mac_addr[4] << 8) |
  1431. (params->mac_addr[5])));
  1432. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1433. ((params->mac_addr[0] << 8) |
  1434. (params->mac_addr[1])));
  1435. /* Enable RX and TX */
  1436. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1437. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1438. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1439. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1440. udelay(50);
  1441. /* Remove SW Reset */
  1442. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1443. /* Check loopback mode */
  1444. if (lb)
  1445. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1446. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1447. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1448. * length used by the MAC receive logic to check frames.
  1449. */
  1450. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1451. bnx2x_set_xumac_nig(params,
  1452. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1453. vars->mac_type = MAC_TYPE_UMAC;
  1454. }
  1455. /* Define the XMAC mode */
  1456. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1457. {
  1458. struct bnx2x *bp = params->bp;
  1459. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1460. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1461. * already out of reset, it means the mode has already been set,
  1462. * and it must not* reset the XMAC again, since it controls both
  1463. * ports of the path
  1464. */
  1465. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1466. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1467. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1468. is_port4mode &&
  1469. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1470. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1471. DP(NETIF_MSG_LINK,
  1472. "XMAC already out of reset in 4-port mode\n");
  1473. return;
  1474. }
  1475. /* Hard reset */
  1476. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1477. MISC_REGISTERS_RESET_REG_2_XMAC);
  1478. usleep_range(1000, 2000);
  1479. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1480. MISC_REGISTERS_RESET_REG_2_XMAC);
  1481. if (is_port4mode) {
  1482. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1483. /* Set the number of ports on the system side to up to 2 */
  1484. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1485. /* Set the number of ports on the Warp Core to 10G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1487. } else {
  1488. /* Set the number of ports on the system side to 1 */
  1489. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1490. if (max_speed == SPEED_10000) {
  1491. DP(NETIF_MSG_LINK,
  1492. "Init XMAC to 10G x 1 port per path\n");
  1493. /* Set the number of ports on the Warp Core to 10G */
  1494. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1495. } else {
  1496. DP(NETIF_MSG_LINK,
  1497. "Init XMAC to 20G x 2 ports per path\n");
  1498. /* Set the number of ports on the Warp Core to 20G */
  1499. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1500. }
  1501. }
  1502. /* Soft reset */
  1503. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1504. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1505. usleep_range(1000, 2000);
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1508. }
  1509. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1510. {
  1511. u8 port = params->port;
  1512. struct bnx2x *bp = params->bp;
  1513. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1514. u32 val;
  1515. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1516. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1517. /* Send an indication to change the state in the NIG back to XON
  1518. * Clearing this bit enables the next set of this bit to get
  1519. * rising edge
  1520. */
  1521. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1522. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1523. (pfc_ctrl & ~(1<<1)));
  1524. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1525. (pfc_ctrl | (1<<1)));
  1526. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1527. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1528. if (en)
  1529. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1530. else
  1531. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1532. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1533. }
  1534. }
  1535. static int bnx2x_xmac_enable(struct link_params *params,
  1536. struct link_vars *vars, u8 lb)
  1537. {
  1538. u32 val, xmac_base;
  1539. struct bnx2x *bp = params->bp;
  1540. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1541. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1542. bnx2x_xmac_init(params, vars->line_speed);
  1543. /* This register determines on which events the MAC will assert
  1544. * error on the i/f to the NIG along w/ EOP.
  1545. */
  1546. /* This register tells the NIG whether to send traffic to UMAC
  1547. * or XMAC
  1548. */
  1549. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1550. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1551. * detection.
  1552. */
  1553. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1554. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1555. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1556. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1557. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1558. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1559. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1560. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1561. }
  1562. /* Set Max packet size */
  1563. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1564. /* CRC append for Tx packets */
  1565. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1566. /* update PFC */
  1567. bnx2x_update_pfc_xmac(params, vars, 0);
  1568. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1569. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1570. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1571. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1572. } else {
  1573. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1574. }
  1575. /* Enable TX and RX */
  1576. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1577. /* Set MAC in XLGMII mode for dual-mode */
  1578. if ((vars->line_speed == SPEED_20000) &&
  1579. (params->phy[INT_PHY].supported &
  1580. SUPPORTED_20000baseKR2_Full))
  1581. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1582. /* Check loopback mode */
  1583. if (lb)
  1584. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1585. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1586. bnx2x_set_xumac_nig(params,
  1587. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1588. vars->mac_type = MAC_TYPE_XMAC;
  1589. return 0;
  1590. }
  1591. static int bnx2x_emac_enable(struct link_params *params,
  1592. struct link_vars *vars, u8 lb)
  1593. {
  1594. struct bnx2x *bp = params->bp;
  1595. u8 port = params->port;
  1596. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1597. u32 val;
  1598. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1599. /* Disable BMAC */
  1600. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1601. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1602. /* enable emac and not bmac */
  1603. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1604. /* ASIC */
  1605. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1606. u32 ser_lane = ((params->lane_config &
  1607. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1608. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1609. DP(NETIF_MSG_LINK, "XGXS\n");
  1610. /* select the master lanes (out of 0-3) */
  1611. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1612. /* select XGXS */
  1613. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1614. } else { /* SerDes */
  1615. DP(NETIF_MSG_LINK, "SerDes\n");
  1616. /* select SerDes */
  1617. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1618. }
  1619. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1620. EMAC_RX_MODE_RESET);
  1621. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1622. EMAC_TX_MODE_RESET);
  1623. /* pause enable/disable */
  1624. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1625. EMAC_RX_MODE_FLOW_EN);
  1626. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1628. EMAC_TX_MODE_FLOW_EN));
  1629. if (!(params->feature_config_flags &
  1630. FEATURE_CONFIG_PFC_ENABLED)) {
  1631. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1632. bnx2x_bits_en(bp, emac_base +
  1633. EMAC_REG_EMAC_RX_MODE,
  1634. EMAC_RX_MODE_FLOW_EN);
  1635. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1636. bnx2x_bits_en(bp, emac_base +
  1637. EMAC_REG_EMAC_TX_MODE,
  1638. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1639. EMAC_TX_MODE_FLOW_EN));
  1640. } else
  1641. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1642. EMAC_TX_MODE_FLOW_EN);
  1643. /* KEEP_VLAN_TAG, promiscuous */
  1644. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1645. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1646. /* Setting this bit causes MAC control frames (except for pause
  1647. * frames) to be passed on for processing. This setting has no
  1648. * affect on the operation of the pause frames. This bit effects
  1649. * all packets regardless of RX Parser packet sorting logic.
  1650. * Turn the PFC off to make sure we are in Xon state before
  1651. * enabling it.
  1652. */
  1653. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1654. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1655. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1656. /* Enable PFC again */
  1657. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1658. EMAC_REG_RX_PFC_MODE_RX_EN |
  1659. EMAC_REG_RX_PFC_MODE_TX_EN |
  1660. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1661. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1662. ((0x0101 <<
  1663. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1664. (0x00ff <<
  1665. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1666. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1667. }
  1668. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1669. /* Set Loopback */
  1670. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1671. if (lb)
  1672. val |= 0x810;
  1673. else
  1674. val &= ~0x810;
  1675. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1676. /* Enable emac */
  1677. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1678. /* Enable emac for jumbo packets */
  1679. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1680. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1681. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD)));
  1682. /* Strip CRC */
  1683. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1684. /* Disable the NIG in/out to the bmac */
  1685. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1686. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1687. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1688. /* Enable the NIG in/out to the emac */
  1689. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1690. val = 0;
  1691. if ((params->feature_config_flags &
  1692. FEATURE_CONFIG_PFC_ENABLED) ||
  1693. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1694. val = 1;
  1695. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1696. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1697. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1698. vars->mac_type = MAC_TYPE_EMAC;
  1699. return 0;
  1700. }
  1701. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1702. struct link_vars *vars)
  1703. {
  1704. u32 wb_data[2];
  1705. struct bnx2x *bp = params->bp;
  1706. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1707. NIG_REG_INGRESS_BMAC0_MEM;
  1708. u32 val = 0x14;
  1709. if ((!(params->feature_config_flags &
  1710. FEATURE_CONFIG_PFC_ENABLED)) &&
  1711. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1712. /* Enable BigMAC to react on received Pause packets */
  1713. val |= (1<<5);
  1714. wb_data[0] = val;
  1715. wb_data[1] = 0;
  1716. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1717. /* TX control */
  1718. val = 0xc0;
  1719. if (!(params->feature_config_flags &
  1720. FEATURE_CONFIG_PFC_ENABLED) &&
  1721. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1722. val |= 0x800000;
  1723. wb_data[0] = val;
  1724. wb_data[1] = 0;
  1725. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1726. }
  1727. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1728. struct link_vars *vars,
  1729. u8 is_lb)
  1730. {
  1731. /* Set rx control: Strip CRC and enable BigMAC to relay
  1732. * control packets to the system as well
  1733. */
  1734. u32 wb_data[2];
  1735. struct bnx2x *bp = params->bp;
  1736. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1737. NIG_REG_INGRESS_BMAC0_MEM;
  1738. u32 val = 0x14;
  1739. if ((!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED)) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1742. /* Enable BigMAC to react on received Pause packets */
  1743. val |= (1<<5);
  1744. wb_data[0] = val;
  1745. wb_data[1] = 0;
  1746. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1747. udelay(30);
  1748. /* Tx control */
  1749. val = 0xc0;
  1750. if (!(params->feature_config_flags &
  1751. FEATURE_CONFIG_PFC_ENABLED) &&
  1752. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1753. val |= 0x800000;
  1754. wb_data[0] = val;
  1755. wb_data[1] = 0;
  1756. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1757. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1758. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1759. /* Enable PFC RX & TX & STATS and set 8 COS */
  1760. wb_data[0] = 0x0;
  1761. wb_data[0] |= (1<<0); /* RX */
  1762. wb_data[0] |= (1<<1); /* TX */
  1763. wb_data[0] |= (1<<2); /* Force initial Xon */
  1764. wb_data[0] |= (1<<3); /* 8 cos */
  1765. wb_data[0] |= (1<<5); /* STATS */
  1766. wb_data[1] = 0;
  1767. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1768. wb_data, 2);
  1769. /* Clear the force Xon */
  1770. wb_data[0] &= ~(1<<2);
  1771. } else {
  1772. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1773. /* Disable PFC RX & TX & STATS and set 8 COS */
  1774. wb_data[0] = 0x8;
  1775. wb_data[1] = 0;
  1776. }
  1777. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1778. /* Set Time (based unit is 512 bit time) between automatic
  1779. * re-sending of PP packets amd enable automatic re-send of
  1780. * Per-Priroity Packet as long as pp_gen is asserted and
  1781. * pp_disable is low.
  1782. */
  1783. val = 0x8000;
  1784. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1785. val |= (1<<16); /* enable automatic re-send */
  1786. wb_data[0] = val;
  1787. wb_data[1] = 0;
  1788. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1789. wb_data, 2);
  1790. /* mac control */
  1791. val = 0x3; /* Enable RX and TX */
  1792. if (is_lb) {
  1793. val |= 0x4; /* Local loopback */
  1794. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1795. }
  1796. /* When PFC enabled, Pass pause frames towards the NIG. */
  1797. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1798. val |= ((1<<6)|(1<<5));
  1799. wb_data[0] = val;
  1800. wb_data[1] = 0;
  1801. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1802. }
  1803. /******************************************************************************
  1804. * Description:
  1805. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1806. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1807. ******************************************************************************/
  1808. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1809. u8 cos_entry,
  1810. u32 priority_mask, u8 port)
  1811. {
  1812. u32 nig_reg_rx_priority_mask_add = 0;
  1813. switch (cos_entry) {
  1814. case 0:
  1815. nig_reg_rx_priority_mask_add = (port) ?
  1816. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1817. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1818. break;
  1819. case 1:
  1820. nig_reg_rx_priority_mask_add = (port) ?
  1821. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1822. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1823. break;
  1824. case 2:
  1825. nig_reg_rx_priority_mask_add = (port) ?
  1826. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1827. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1828. break;
  1829. case 3:
  1830. if (port)
  1831. return -EINVAL;
  1832. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1833. break;
  1834. case 4:
  1835. if (port)
  1836. return -EINVAL;
  1837. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1838. break;
  1839. case 5:
  1840. if (port)
  1841. return -EINVAL;
  1842. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1843. break;
  1844. }
  1845. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1846. return 0;
  1847. }
  1848. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1849. {
  1850. struct bnx2x *bp = params->bp;
  1851. REG_WR(bp, params->shmem_base +
  1852. offsetof(struct shmem_region,
  1853. port_mb[params->port].link_status), link_status);
  1854. }
  1855. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1856. {
  1857. struct bnx2x *bp = params->bp;
  1858. if (SHMEM2_HAS(bp, link_attr_sync))
  1859. REG_WR(bp, params->shmem2_base +
  1860. offsetof(struct shmem2_region,
  1861. link_attr_sync[params->port]), link_attr);
  1862. }
  1863. static void bnx2x_update_pfc_nig(struct link_params *params,
  1864. struct link_vars *vars,
  1865. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1866. {
  1867. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1868. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1869. u32 pkt_priority_to_cos = 0;
  1870. struct bnx2x *bp = params->bp;
  1871. u8 port = params->port;
  1872. int set_pfc = params->feature_config_flags &
  1873. FEATURE_CONFIG_PFC_ENABLED;
  1874. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1875. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1876. * MAC control frames (that are not pause packets)
  1877. * will be forwarded to the XCM.
  1878. */
  1879. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1880. NIG_REG_LLH0_XCM_MASK);
  1881. /* NIG params will override non PFC params, since it's possible to
  1882. * do transition from PFC to SAFC
  1883. */
  1884. if (set_pfc) {
  1885. pause_enable = 0;
  1886. llfc_out_en = 0;
  1887. llfc_enable = 0;
  1888. if (CHIP_IS_E3(bp))
  1889. ppp_enable = 0;
  1890. else
  1891. ppp_enable = 1;
  1892. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1893. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1894. xcm_out_en = 0;
  1895. hwpfc_enable = 1;
  1896. } else {
  1897. if (nig_params) {
  1898. llfc_out_en = nig_params->llfc_out_en;
  1899. llfc_enable = nig_params->llfc_enable;
  1900. pause_enable = nig_params->pause_enable;
  1901. } else /* Default non PFC mode - PAUSE */
  1902. pause_enable = 1;
  1903. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1904. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1905. xcm_out_en = 1;
  1906. }
  1907. if (CHIP_IS_E3(bp))
  1908. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1909. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1910. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1911. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1912. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1913. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1914. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1915. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1916. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1917. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1918. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1919. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1920. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1921. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1922. /* Output enable for RX_XCM # IF */
  1923. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1924. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1925. /* HW PFC TX enable */
  1926. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1927. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1928. if (nig_params) {
  1929. u8 i = 0;
  1930. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1931. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1932. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1933. nig_params->rx_cos_priority_mask[i], port);
  1934. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1935. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1936. nig_params->llfc_high_priority_classes);
  1937. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1938. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1939. nig_params->llfc_low_priority_classes);
  1940. }
  1941. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1942. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1943. pkt_priority_to_cos);
  1944. }
  1945. int bnx2x_update_pfc(struct link_params *params,
  1946. struct link_vars *vars,
  1947. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1948. {
  1949. /* The PFC and pause are orthogonal to one another, meaning when
  1950. * PFC is enabled, the pause are disabled, and when PFC is
  1951. * disabled, pause are set according to the pause result.
  1952. */
  1953. u32 val;
  1954. struct bnx2x *bp = params->bp;
  1955. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1956. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1957. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1958. else
  1959. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1960. bnx2x_update_mng(params, vars->link_status);
  1961. /* Update NIG params */
  1962. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1963. if (!vars->link_up)
  1964. return 0;
  1965. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1966. if (CHIP_IS_E3(bp)) {
  1967. if (vars->mac_type == MAC_TYPE_XMAC)
  1968. bnx2x_update_pfc_xmac(params, vars, 0);
  1969. } else {
  1970. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1971. if ((val &
  1972. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1973. == 0) {
  1974. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1975. bnx2x_emac_enable(params, vars, 0);
  1976. return 0;
  1977. }
  1978. if (CHIP_IS_E2(bp))
  1979. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1980. else
  1981. bnx2x_update_pfc_bmac1(params, vars);
  1982. val = 0;
  1983. if ((params->feature_config_flags &
  1984. FEATURE_CONFIG_PFC_ENABLED) ||
  1985. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1986. val = 1;
  1987. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1988. }
  1989. return 0;
  1990. }
  1991. static int bnx2x_bmac1_enable(struct link_params *params,
  1992. struct link_vars *vars,
  1993. u8 is_lb)
  1994. {
  1995. struct bnx2x *bp = params->bp;
  1996. u8 port = params->port;
  1997. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1998. NIG_REG_INGRESS_BMAC0_MEM;
  1999. u32 wb_data[2];
  2000. u32 val;
  2001. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2002. /* XGXS control */
  2003. wb_data[0] = 0x3c;
  2004. wb_data[1] = 0;
  2005. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2006. wb_data, 2);
  2007. /* TX MAC SA */
  2008. wb_data[0] = ((params->mac_addr[2] << 24) |
  2009. (params->mac_addr[3] << 16) |
  2010. (params->mac_addr[4] << 8) |
  2011. params->mac_addr[5]);
  2012. wb_data[1] = ((params->mac_addr[0] << 8) |
  2013. params->mac_addr[1]);
  2014. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2015. /* MAC control */
  2016. val = 0x3;
  2017. if (is_lb) {
  2018. val |= 0x4;
  2019. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2020. }
  2021. wb_data[0] = val;
  2022. wb_data[1] = 0;
  2023. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2024. /* Set rx mtu */
  2025. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2026. wb_data[1] = 0;
  2027. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2028. bnx2x_update_pfc_bmac1(params, vars);
  2029. /* Set tx mtu */
  2030. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2031. wb_data[1] = 0;
  2032. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2033. /* Set cnt max size */
  2034. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2035. wb_data[1] = 0;
  2036. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2037. /* Configure SAFC */
  2038. wb_data[0] = 0x1000200;
  2039. wb_data[1] = 0;
  2040. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2041. wb_data, 2);
  2042. return 0;
  2043. }
  2044. static int bnx2x_bmac2_enable(struct link_params *params,
  2045. struct link_vars *vars,
  2046. u8 is_lb)
  2047. {
  2048. struct bnx2x *bp = params->bp;
  2049. u8 port = params->port;
  2050. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2051. NIG_REG_INGRESS_BMAC0_MEM;
  2052. u32 wb_data[2];
  2053. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2054. wb_data[0] = 0;
  2055. wb_data[1] = 0;
  2056. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2057. udelay(30);
  2058. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2059. wb_data[0] = 0x3c;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2062. wb_data, 2);
  2063. udelay(30);
  2064. /* TX MAC SA */
  2065. wb_data[0] = ((params->mac_addr[2] << 24) |
  2066. (params->mac_addr[3] << 16) |
  2067. (params->mac_addr[4] << 8) |
  2068. params->mac_addr[5]);
  2069. wb_data[1] = ((params->mac_addr[0] << 8) |
  2070. params->mac_addr[1]);
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2072. wb_data, 2);
  2073. udelay(30);
  2074. /* Configure SAFC */
  2075. wb_data[0] = 0x1000200;
  2076. wb_data[1] = 0;
  2077. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2078. wb_data, 2);
  2079. udelay(30);
  2080. /* Set RX MTU */
  2081. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2082. wb_data[1] = 0;
  2083. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2084. udelay(30);
  2085. /* Set TX MTU */
  2086. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD;
  2087. wb_data[1] = 0;
  2088. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2089. udelay(30);
  2090. /* Set cnt max size */
  2091. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVERHEAD - 2;
  2092. wb_data[1] = 0;
  2093. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2094. udelay(30);
  2095. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2096. return 0;
  2097. }
  2098. static int bnx2x_bmac_enable(struct link_params *params,
  2099. struct link_vars *vars,
  2100. u8 is_lb, u8 reset_bmac)
  2101. {
  2102. int rc = 0;
  2103. u8 port = params->port;
  2104. struct bnx2x *bp = params->bp;
  2105. u32 val;
  2106. /* Reset and unreset the BigMac */
  2107. if (reset_bmac) {
  2108. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2109. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2110. usleep_range(1000, 2000);
  2111. }
  2112. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2113. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2114. /* Enable access for bmac registers */
  2115. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2116. /* Enable BMAC according to BMAC type*/
  2117. if (CHIP_IS_E2(bp))
  2118. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2119. else
  2120. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2121. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2122. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2123. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2124. val = 0;
  2125. if ((params->feature_config_flags &
  2126. FEATURE_CONFIG_PFC_ENABLED) ||
  2127. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2128. val = 1;
  2129. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2130. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2131. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2132. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2133. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2134. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2135. vars->mac_type = MAC_TYPE_BMAC;
  2136. return rc;
  2137. }
  2138. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2139. {
  2140. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2141. NIG_REG_INGRESS_BMAC0_MEM;
  2142. u32 wb_data[2];
  2143. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2144. if (CHIP_IS_E2(bp))
  2145. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2146. else
  2147. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2148. /* Only if the bmac is out of reset */
  2149. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2150. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2151. nig_bmac_enable) {
  2152. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2153. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2154. if (en)
  2155. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2156. else
  2157. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2158. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2159. usleep_range(1000, 2000);
  2160. }
  2161. }
  2162. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2163. u32 line_speed)
  2164. {
  2165. struct bnx2x *bp = params->bp;
  2166. u8 port = params->port;
  2167. u32 init_crd, crd;
  2168. u32 count = 1000;
  2169. /* Disable port */
  2170. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2171. /* Wait for init credit */
  2172. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2173. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2174. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2175. while ((init_crd != crd) && count) {
  2176. usleep_range(5000, 10000);
  2177. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2178. count--;
  2179. }
  2180. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2181. if (init_crd != crd) {
  2182. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2183. init_crd, crd);
  2184. return -EINVAL;
  2185. }
  2186. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2187. line_speed == SPEED_10 ||
  2188. line_speed == SPEED_100 ||
  2189. line_speed == SPEED_1000 ||
  2190. line_speed == SPEED_2500) {
  2191. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2192. /* Update threshold */
  2193. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2194. /* Update init credit */
  2195. init_crd = 778; /* (800-18-4) */
  2196. } else {
  2197. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2198. ETH_OVERHEAD)/16;
  2199. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2200. /* Update threshold */
  2201. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2202. /* Update init credit */
  2203. switch (line_speed) {
  2204. case SPEED_10000:
  2205. init_crd = thresh + 553 - 22;
  2206. break;
  2207. default:
  2208. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2209. line_speed);
  2210. return -EINVAL;
  2211. }
  2212. }
  2213. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2214. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2215. line_speed, init_crd);
  2216. /* Probe the credit changes */
  2217. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2218. usleep_range(5000, 10000);
  2219. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2220. /* Enable port */
  2221. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2222. return 0;
  2223. }
  2224. /**
  2225. * bnx2x_get_emac_base - retrive emac base address
  2226. *
  2227. * @bp: driver handle
  2228. * @mdc_mdio_access: access type
  2229. * @port: port id
  2230. *
  2231. * This function selects the MDC/MDIO access (through emac0 or
  2232. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2233. * phy has a default access mode, which could also be overridden
  2234. * by nvram configuration. This parameter, whether this is the
  2235. * default phy configuration, or the nvram overrun
  2236. * configuration, is passed here as mdc_mdio_access and selects
  2237. * the emac_base for the CL45 read/writes operations
  2238. */
  2239. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2240. u32 mdc_mdio_access, u8 port)
  2241. {
  2242. u32 emac_base = 0;
  2243. switch (mdc_mdio_access) {
  2244. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2245. break;
  2246. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2247. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2248. emac_base = GRCBASE_EMAC1;
  2249. else
  2250. emac_base = GRCBASE_EMAC0;
  2251. break;
  2252. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2253. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2254. emac_base = GRCBASE_EMAC0;
  2255. else
  2256. emac_base = GRCBASE_EMAC1;
  2257. break;
  2258. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2259. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2260. break;
  2261. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2262. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2263. break;
  2264. default:
  2265. break;
  2266. }
  2267. return emac_base;
  2268. }
  2269. /******************************************************************/
  2270. /* CL22 access functions */
  2271. /******************************************************************/
  2272. static int bnx2x_cl22_write(struct bnx2x *bp,
  2273. struct bnx2x_phy *phy,
  2274. u16 reg, u16 val)
  2275. {
  2276. u32 tmp, mode;
  2277. u8 i;
  2278. int rc = 0;
  2279. /* Switch to CL22 */
  2280. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2281. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2282. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2283. /* Address */
  2284. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2285. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2286. EMAC_MDIO_COMM_START_BUSY);
  2287. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2288. for (i = 0; i < 50; i++) {
  2289. udelay(10);
  2290. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2291. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2292. udelay(5);
  2293. break;
  2294. }
  2295. }
  2296. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2297. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2298. rc = -EFAULT;
  2299. }
  2300. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2301. return rc;
  2302. }
  2303. static int bnx2x_cl22_read(struct bnx2x *bp,
  2304. struct bnx2x_phy *phy,
  2305. u16 reg, u16 *ret_val)
  2306. {
  2307. u32 val, mode;
  2308. u16 i;
  2309. int rc = 0;
  2310. /* Switch to CL22 */
  2311. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2312. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2313. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2314. /* Address */
  2315. val = ((phy->addr << 21) | (reg << 16) |
  2316. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2317. EMAC_MDIO_COMM_START_BUSY);
  2318. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2319. for (i = 0; i < 50; i++) {
  2320. udelay(10);
  2321. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2322. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2323. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2324. udelay(5);
  2325. break;
  2326. }
  2327. }
  2328. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2329. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2330. *ret_val = 0;
  2331. rc = -EFAULT;
  2332. }
  2333. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2334. return rc;
  2335. }
  2336. /******************************************************************/
  2337. /* CL45 access functions */
  2338. /******************************************************************/
  2339. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2340. u8 devad, u16 reg, u16 *ret_val)
  2341. {
  2342. u32 val;
  2343. u16 i;
  2344. int rc = 0;
  2345. u32 chip_id;
  2346. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2347. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2348. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2349. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2350. }
  2351. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2352. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2353. EMAC_MDIO_STATUS_10MB);
  2354. /* Address */
  2355. val = ((phy->addr << 21) | (devad << 16) | reg |
  2356. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2357. EMAC_MDIO_COMM_START_BUSY);
  2358. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2359. for (i = 0; i < 50; i++) {
  2360. udelay(10);
  2361. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2362. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2363. udelay(5);
  2364. break;
  2365. }
  2366. }
  2367. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2368. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2369. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2370. *ret_val = 0;
  2371. rc = -EFAULT;
  2372. } else {
  2373. /* Data */
  2374. val = ((phy->addr << 21) | (devad << 16) |
  2375. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2376. EMAC_MDIO_COMM_START_BUSY);
  2377. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2378. for (i = 0; i < 50; i++) {
  2379. udelay(10);
  2380. val = REG_RD(bp, phy->mdio_ctrl +
  2381. EMAC_REG_EMAC_MDIO_COMM);
  2382. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2383. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2384. break;
  2385. }
  2386. }
  2387. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2388. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2389. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2390. *ret_val = 0;
  2391. rc = -EFAULT;
  2392. }
  2393. }
  2394. /* Work around for E3 A0 */
  2395. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2396. phy->flags ^= FLAGS_DUMMY_READ;
  2397. if (phy->flags & FLAGS_DUMMY_READ) {
  2398. u16 temp_val;
  2399. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2400. }
  2401. }
  2402. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2403. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2404. EMAC_MDIO_STATUS_10MB);
  2405. return rc;
  2406. }
  2407. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2408. u8 devad, u16 reg, u16 val)
  2409. {
  2410. u32 tmp;
  2411. u8 i;
  2412. int rc = 0;
  2413. u32 chip_id;
  2414. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2415. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2416. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2417. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2418. }
  2419. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2420. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2421. EMAC_MDIO_STATUS_10MB);
  2422. /* Address */
  2423. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2424. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2425. EMAC_MDIO_COMM_START_BUSY);
  2426. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2427. for (i = 0; i < 50; i++) {
  2428. udelay(10);
  2429. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2430. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2431. udelay(5);
  2432. break;
  2433. }
  2434. }
  2435. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2436. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2437. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2438. rc = -EFAULT;
  2439. } else {
  2440. /* Data */
  2441. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2442. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2443. EMAC_MDIO_COMM_START_BUSY);
  2444. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2445. for (i = 0; i < 50; i++) {
  2446. udelay(10);
  2447. tmp = REG_RD(bp, phy->mdio_ctrl +
  2448. EMAC_REG_EMAC_MDIO_COMM);
  2449. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2450. udelay(5);
  2451. break;
  2452. }
  2453. }
  2454. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2455. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2456. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2457. rc = -EFAULT;
  2458. }
  2459. }
  2460. /* Work around for E3 A0 */
  2461. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2462. phy->flags ^= FLAGS_DUMMY_READ;
  2463. if (phy->flags & FLAGS_DUMMY_READ) {
  2464. u16 temp_val;
  2465. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2466. }
  2467. }
  2468. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2469. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2470. EMAC_MDIO_STATUS_10MB);
  2471. return rc;
  2472. }
  2473. /******************************************************************/
  2474. /* EEE section */
  2475. /******************************************************************/
  2476. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2477. {
  2478. struct bnx2x *bp = params->bp;
  2479. if (REG_RD(bp, params->shmem2_base) <=
  2480. offsetof(struct shmem2_region, eee_status[params->port]))
  2481. return 0;
  2482. return 1;
  2483. }
  2484. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2485. {
  2486. switch (nvram_mode) {
  2487. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2488. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2489. break;
  2490. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2491. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2492. break;
  2493. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2494. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2495. break;
  2496. default:
  2497. *idle_timer = 0;
  2498. break;
  2499. }
  2500. return 0;
  2501. }
  2502. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2503. {
  2504. switch (idle_timer) {
  2505. case EEE_MODE_NVRAM_BALANCED_TIME:
  2506. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2507. break;
  2508. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2509. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2510. break;
  2511. case EEE_MODE_NVRAM_LATENCY_TIME:
  2512. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2513. break;
  2514. default:
  2515. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2516. break;
  2517. }
  2518. return 0;
  2519. }
  2520. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2521. {
  2522. u32 eee_mode, eee_idle;
  2523. struct bnx2x *bp = params->bp;
  2524. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2525. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2526. /* time value in eee_mode --> used directly*/
  2527. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2528. } else {
  2529. /* hsi value in eee_mode --> time */
  2530. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2531. EEE_MODE_NVRAM_MASK,
  2532. &eee_idle))
  2533. return 0;
  2534. }
  2535. } else {
  2536. /* hsi values in nvram --> time*/
  2537. eee_mode = ((REG_RD(bp, params->shmem_base +
  2538. offsetof(struct shmem_region, dev_info.
  2539. port_feature_config[params->port].
  2540. eee_power_mode)) &
  2541. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2542. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2543. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2544. return 0;
  2545. }
  2546. return eee_idle;
  2547. }
  2548. static int bnx2x_eee_set_timers(struct link_params *params,
  2549. struct link_vars *vars)
  2550. {
  2551. u32 eee_idle = 0, eee_mode;
  2552. struct bnx2x *bp = params->bp;
  2553. eee_idle = bnx2x_eee_calc_timer(params);
  2554. if (eee_idle) {
  2555. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2556. eee_idle);
  2557. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2558. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2559. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2560. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2561. return -EINVAL;
  2562. }
  2563. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2564. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2565. /* eee_idle in 1u --> eee_status in 16u */
  2566. eee_idle >>= 4;
  2567. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2568. SHMEM_EEE_TIME_OUTPUT_BIT;
  2569. } else {
  2570. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2571. return -EINVAL;
  2572. vars->eee_status |= eee_mode;
  2573. }
  2574. return 0;
  2575. }
  2576. static int bnx2x_eee_initial_config(struct link_params *params,
  2577. struct link_vars *vars, u8 mode)
  2578. {
  2579. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2580. /* Propagate params' bits --> vars (for migration exposure) */
  2581. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2582. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2583. else
  2584. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2585. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2586. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2587. else
  2588. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2589. return bnx2x_eee_set_timers(params, vars);
  2590. }
  2591. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2592. struct link_params *params,
  2593. struct link_vars *vars)
  2594. {
  2595. struct bnx2x *bp = params->bp;
  2596. /* Make Certain LPI is disabled */
  2597. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2598. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2599. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2600. return 0;
  2601. }
  2602. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2603. struct link_params *params,
  2604. struct link_vars *vars, u8 modes)
  2605. {
  2606. struct bnx2x *bp = params->bp;
  2607. u16 val = 0;
  2608. /* Mask events preventing LPI generation */
  2609. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2610. if (modes & SHMEM_EEE_10G_ADV) {
  2611. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2612. val |= 0x8;
  2613. }
  2614. if (modes & SHMEM_EEE_1G_ADV) {
  2615. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2616. val |= 0x4;
  2617. }
  2618. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2619. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2620. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2621. return 0;
  2622. }
  2623. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2624. {
  2625. struct bnx2x *bp = params->bp;
  2626. if (bnx2x_eee_has_cap(params))
  2627. REG_WR(bp, params->shmem2_base +
  2628. offsetof(struct shmem2_region,
  2629. eee_status[params->port]), eee_status);
  2630. }
  2631. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2632. struct link_params *params,
  2633. struct link_vars *vars)
  2634. {
  2635. struct bnx2x *bp = params->bp;
  2636. u16 adv = 0, lp = 0;
  2637. u32 lp_adv = 0;
  2638. u8 neg = 0;
  2639. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2640. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2641. if (lp & 0x2) {
  2642. lp_adv |= SHMEM_EEE_100M_ADV;
  2643. if (adv & 0x2) {
  2644. if (vars->line_speed == SPEED_100)
  2645. neg = 1;
  2646. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2647. }
  2648. }
  2649. if (lp & 0x14) {
  2650. lp_adv |= SHMEM_EEE_1G_ADV;
  2651. if (adv & 0x14) {
  2652. if (vars->line_speed == SPEED_1000)
  2653. neg = 1;
  2654. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2655. }
  2656. }
  2657. if (lp & 0x68) {
  2658. lp_adv |= SHMEM_EEE_10G_ADV;
  2659. if (adv & 0x68) {
  2660. if (vars->line_speed == SPEED_10000)
  2661. neg = 1;
  2662. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2663. }
  2664. }
  2665. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2666. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2667. if (neg) {
  2668. DP(NETIF_MSG_LINK, "EEE is active\n");
  2669. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2670. }
  2671. }
  2672. /******************************************************************/
  2673. /* BSC access functions from E3 */
  2674. /******************************************************************/
  2675. static void bnx2x_bsc_module_sel(struct link_params *params)
  2676. {
  2677. int idx;
  2678. u32 board_cfg, sfp_ctrl;
  2679. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2680. struct bnx2x *bp = params->bp;
  2681. u8 port = params->port;
  2682. /* Read I2C output PINs */
  2683. board_cfg = REG_RD(bp, params->shmem_base +
  2684. offsetof(struct shmem_region,
  2685. dev_info.shared_hw_config.board));
  2686. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2687. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2688. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2689. /* Read I2C output value */
  2690. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2691. offsetof(struct shmem_region,
  2692. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2693. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2694. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2695. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2696. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2697. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2698. }
  2699. static int bnx2x_bsc_read(struct link_params *params,
  2700. struct bnx2x *bp,
  2701. u8 sl_devid,
  2702. u16 sl_addr,
  2703. u8 lc_addr,
  2704. u8 xfer_cnt,
  2705. u32 *data_array)
  2706. {
  2707. u32 val, i;
  2708. int rc = 0;
  2709. if (xfer_cnt > 16) {
  2710. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2711. xfer_cnt);
  2712. return -EINVAL;
  2713. }
  2714. bnx2x_bsc_module_sel(params);
  2715. xfer_cnt = 16 - lc_addr;
  2716. /* Enable the engine */
  2717. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2718. val |= MCPR_IMC_COMMAND_ENABLE;
  2719. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2720. /* Program slave device ID */
  2721. val = (sl_devid << 16) | sl_addr;
  2722. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2723. /* Start xfer with 0 byte to update the address pointer ???*/
  2724. val = (MCPR_IMC_COMMAND_ENABLE) |
  2725. (MCPR_IMC_COMMAND_WRITE_OP <<
  2726. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2727. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2728. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2729. /* Poll for completion */
  2730. i = 0;
  2731. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2732. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2733. udelay(10);
  2734. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2735. if (i++ > 1000) {
  2736. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2737. i);
  2738. rc = -EFAULT;
  2739. break;
  2740. }
  2741. }
  2742. if (rc == -EFAULT)
  2743. return rc;
  2744. /* Start xfer with read op */
  2745. val = (MCPR_IMC_COMMAND_ENABLE) |
  2746. (MCPR_IMC_COMMAND_READ_OP <<
  2747. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2748. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2749. (xfer_cnt);
  2750. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2751. /* Poll for completion */
  2752. i = 0;
  2753. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2754. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2755. udelay(10);
  2756. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2757. if (i++ > 1000) {
  2758. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2759. rc = -EFAULT;
  2760. break;
  2761. }
  2762. }
  2763. if (rc == -EFAULT)
  2764. return rc;
  2765. for (i = (lc_addr >> 2); i < 4; i++) {
  2766. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2767. #ifdef __BIG_ENDIAN
  2768. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2769. ((data_array[i] & 0x0000ff00) << 8) |
  2770. ((data_array[i] & 0x00ff0000) >> 8) |
  2771. ((data_array[i] & 0xff000000) >> 24);
  2772. #endif
  2773. }
  2774. return rc;
  2775. }
  2776. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2777. u8 devad, u16 reg, u16 or_val)
  2778. {
  2779. u16 val;
  2780. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2781. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2782. }
  2783. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2784. struct bnx2x_phy *phy,
  2785. u8 devad, u16 reg, u16 and_val)
  2786. {
  2787. u16 val;
  2788. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2789. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2790. }
  2791. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2792. u8 devad, u16 reg, u16 *ret_val)
  2793. {
  2794. u8 phy_index;
  2795. /* Probe for the phy according to the given phy_addr, and execute
  2796. * the read request on it
  2797. */
  2798. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2799. if (params->phy[phy_index].addr == phy_addr) {
  2800. return bnx2x_cl45_read(params->bp,
  2801. &params->phy[phy_index], devad,
  2802. reg, ret_val);
  2803. }
  2804. }
  2805. return -EINVAL;
  2806. }
  2807. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2808. u8 devad, u16 reg, u16 val)
  2809. {
  2810. u8 phy_index;
  2811. /* Probe for the phy according to the given phy_addr, and execute
  2812. * the write request on it
  2813. */
  2814. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2815. if (params->phy[phy_index].addr == phy_addr) {
  2816. return bnx2x_cl45_write(params->bp,
  2817. &params->phy[phy_index], devad,
  2818. reg, val);
  2819. }
  2820. }
  2821. return -EINVAL;
  2822. }
  2823. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2824. struct link_params *params)
  2825. {
  2826. u8 lane = 0;
  2827. struct bnx2x *bp = params->bp;
  2828. u32 path_swap, path_swap_ovr;
  2829. u8 path, port;
  2830. path = BP_PATH(bp);
  2831. port = params->port;
  2832. if (bnx2x_is_4_port_mode(bp)) {
  2833. u32 port_swap, port_swap_ovr;
  2834. /* Figure out path swap value */
  2835. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2836. if (path_swap_ovr & 0x1)
  2837. path_swap = (path_swap_ovr & 0x2);
  2838. else
  2839. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2840. if (path_swap)
  2841. path = path ^ 1;
  2842. /* Figure out port swap value */
  2843. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2844. if (port_swap_ovr & 0x1)
  2845. port_swap = (port_swap_ovr & 0x2);
  2846. else
  2847. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2848. if (port_swap)
  2849. port = port ^ 1;
  2850. lane = (port<<1) + path;
  2851. } else { /* Two port mode - no port swap */
  2852. /* Figure out path swap value */
  2853. path_swap_ovr =
  2854. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2855. if (path_swap_ovr & 0x1) {
  2856. path_swap = (path_swap_ovr & 0x2);
  2857. } else {
  2858. path_swap =
  2859. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2860. }
  2861. if (path_swap)
  2862. path = path ^ 1;
  2863. lane = path << 1 ;
  2864. }
  2865. return lane;
  2866. }
  2867. static void bnx2x_set_aer_mmd(struct link_params *params,
  2868. struct bnx2x_phy *phy)
  2869. {
  2870. u32 ser_lane;
  2871. u16 offset, aer_val;
  2872. struct bnx2x *bp = params->bp;
  2873. ser_lane = ((params->lane_config &
  2874. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2875. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2876. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2877. (phy->addr + ser_lane) : 0;
  2878. if (USES_WARPCORE(bp)) {
  2879. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2880. /* In Dual-lane mode, two lanes are joined together,
  2881. * so in order to configure them, the AER broadcast method is
  2882. * used here.
  2883. * 0x200 is the broadcast address for lanes 0,1
  2884. * 0x201 is the broadcast address for lanes 2,3
  2885. */
  2886. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2887. aer_val = (aer_val >> 1) | 0x200;
  2888. } else if (CHIP_IS_E2(bp))
  2889. aer_val = 0x3800 + offset - 1;
  2890. else
  2891. aer_val = 0x3800 + offset;
  2892. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2893. MDIO_AER_BLOCK_AER_REG, aer_val);
  2894. }
  2895. /******************************************************************/
  2896. /* Internal phy section */
  2897. /******************************************************************/
  2898. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2899. {
  2900. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2901. /* Set Clause 22 */
  2902. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2903. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2904. udelay(500);
  2905. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2906. udelay(500);
  2907. /* Set Clause 45 */
  2908. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2909. }
  2910. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2911. {
  2912. u32 val;
  2913. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2914. val = SERDES_RESET_BITS << (port*16);
  2915. /* Reset and unreset the SerDes/XGXS */
  2916. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2917. udelay(500);
  2918. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2919. bnx2x_set_serdes_access(bp, port);
  2920. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2921. DEFAULT_PHY_DEV_ADDR);
  2922. }
  2923. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2924. struct link_params *params,
  2925. u32 action)
  2926. {
  2927. struct bnx2x *bp = params->bp;
  2928. switch (action) {
  2929. case PHY_INIT:
  2930. /* Set correct devad */
  2931. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2932. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2933. phy->def_md_devad);
  2934. break;
  2935. }
  2936. }
  2937. static void bnx2x_xgxs_deassert(struct link_params *params)
  2938. {
  2939. struct bnx2x *bp = params->bp;
  2940. u8 port;
  2941. u32 val;
  2942. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2943. port = params->port;
  2944. val = XGXS_RESET_BITS << (port*16);
  2945. /* Reset and unreset the SerDes/XGXS */
  2946. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2947. udelay(500);
  2948. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2949. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2950. PHY_INIT);
  2951. }
  2952. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2953. struct link_params *params, u16 *ieee_fc)
  2954. {
  2955. struct bnx2x *bp = params->bp;
  2956. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2957. /* Resolve pause mode and advertisement Please refer to Table
  2958. * 28B-3 of the 802.3ab-1999 spec
  2959. */
  2960. switch (phy->req_flow_ctrl) {
  2961. case BNX2X_FLOW_CTRL_AUTO:
  2962. switch (params->req_fc_auto_adv) {
  2963. case BNX2X_FLOW_CTRL_BOTH:
  2964. case BNX2X_FLOW_CTRL_RX:
  2965. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2966. break;
  2967. case BNX2X_FLOW_CTRL_TX:
  2968. *ieee_fc |=
  2969. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2970. break;
  2971. default:
  2972. break;
  2973. }
  2974. break;
  2975. case BNX2X_FLOW_CTRL_TX:
  2976. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2977. break;
  2978. case BNX2X_FLOW_CTRL_RX:
  2979. case BNX2X_FLOW_CTRL_BOTH:
  2980. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2981. break;
  2982. case BNX2X_FLOW_CTRL_NONE:
  2983. default:
  2984. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2985. break;
  2986. }
  2987. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2988. }
  2989. static void set_phy_vars(struct link_params *params,
  2990. struct link_vars *vars)
  2991. {
  2992. struct bnx2x *bp = params->bp;
  2993. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2994. u8 phy_config_swapped = params->multi_phy_config &
  2995. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2996. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2997. phy_index++) {
  2998. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2999. actual_phy_idx = phy_index;
  3000. if (phy_config_swapped) {
  3001. if (phy_index == EXT_PHY1)
  3002. actual_phy_idx = EXT_PHY2;
  3003. else if (phy_index == EXT_PHY2)
  3004. actual_phy_idx = EXT_PHY1;
  3005. }
  3006. params->phy[actual_phy_idx].req_flow_ctrl =
  3007. params->req_flow_ctrl[link_cfg_idx];
  3008. params->phy[actual_phy_idx].req_line_speed =
  3009. params->req_line_speed[link_cfg_idx];
  3010. params->phy[actual_phy_idx].speed_cap_mask =
  3011. params->speed_cap_mask[link_cfg_idx];
  3012. params->phy[actual_phy_idx].req_duplex =
  3013. params->req_duplex[link_cfg_idx];
  3014. if (params->req_line_speed[link_cfg_idx] ==
  3015. SPEED_AUTO_NEG)
  3016. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3017. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3018. " speed_cap_mask %x\n",
  3019. params->phy[actual_phy_idx].req_flow_ctrl,
  3020. params->phy[actual_phy_idx].req_line_speed,
  3021. params->phy[actual_phy_idx].speed_cap_mask);
  3022. }
  3023. }
  3024. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3025. struct bnx2x_phy *phy,
  3026. struct link_vars *vars)
  3027. {
  3028. u16 val;
  3029. struct bnx2x *bp = params->bp;
  3030. /* Read modify write pause advertizing */
  3031. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3032. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3033. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3034. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3035. if ((vars->ieee_fc &
  3036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3037. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3038. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3039. }
  3040. if ((vars->ieee_fc &
  3041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3042. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3043. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3044. }
  3045. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3046. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3047. }
  3048. static void bnx2x_pause_resolve(struct bnx2x_phy *phy,
  3049. struct link_params *params,
  3050. struct link_vars *vars,
  3051. u32 pause_result)
  3052. {
  3053. struct bnx2x *bp = params->bp;
  3054. /* LD LP */
  3055. switch (pause_result) { /* ASYM P ASYM P */
  3056. case 0xb: /* 1 0 1 1 */
  3057. DP(NETIF_MSG_LINK, "Flow Control: TX only\n");
  3058. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3059. break;
  3060. case 0xe: /* 1 1 1 0 */
  3061. DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
  3062. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3063. break;
  3064. case 0x5: /* 0 1 0 1 */
  3065. case 0x7: /* 0 1 1 1 */
  3066. case 0xd: /* 1 1 0 1 */
  3067. case 0xf: /* 1 1 1 1 */
  3068. /* If the user selected to advertise RX ONLY,
  3069. * although we advertised both, need to enable
  3070. * RX only.
  3071. */
  3072. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
  3073. DP(NETIF_MSG_LINK, "Flow Control: RX & TX\n");
  3074. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3075. } else {
  3076. DP(NETIF_MSG_LINK, "Flow Control: RX only\n");
  3077. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3078. }
  3079. break;
  3080. default:
  3081. DP(NETIF_MSG_LINK, "Flow Control: None\n");
  3082. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3083. break;
  3084. }
  3085. if (pause_result & (1<<0))
  3086. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3087. if (pause_result & (1<<1))
  3088. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3089. }
  3090. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3091. struct link_params *params,
  3092. struct link_vars *vars)
  3093. {
  3094. u16 ld_pause; /* local */
  3095. u16 lp_pause; /* link partner */
  3096. u16 pause_result;
  3097. struct bnx2x *bp = params->bp;
  3098. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3099. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3100. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3101. } else if (CHIP_IS_E3(bp) &&
  3102. SINGLE_MEDIA_DIRECT(params)) {
  3103. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3104. u16 gp_status, gp_mask;
  3105. bnx2x_cl45_read(bp, phy,
  3106. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3107. &gp_status);
  3108. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3109. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3110. lane;
  3111. if ((gp_status & gp_mask) == gp_mask) {
  3112. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3113. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3114. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3115. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3116. } else {
  3117. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3118. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3119. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3120. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3121. ld_pause = ((ld_pause &
  3122. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3123. << 3);
  3124. lp_pause = ((lp_pause &
  3125. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3126. << 3);
  3127. }
  3128. } else {
  3129. bnx2x_cl45_read(bp, phy,
  3130. MDIO_AN_DEVAD,
  3131. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3132. bnx2x_cl45_read(bp, phy,
  3133. MDIO_AN_DEVAD,
  3134. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3135. }
  3136. pause_result = (ld_pause &
  3137. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3138. pause_result |= (lp_pause &
  3139. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3140. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3141. bnx2x_pause_resolve(phy, params, vars, pause_result);
  3142. }
  3143. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3144. struct link_params *params,
  3145. struct link_vars *vars)
  3146. {
  3147. u8 ret = 0;
  3148. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3149. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3150. /* Update the advertised flow-controled of LD/LP in AN */
  3151. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3152. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3153. /* But set the flow-control result as the requested one */
  3154. vars->flow_ctrl = phy->req_flow_ctrl;
  3155. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3156. vars->flow_ctrl = params->req_fc_auto_adv;
  3157. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3158. ret = 1;
  3159. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3160. }
  3161. return ret;
  3162. }
  3163. /******************************************************************/
  3164. /* Warpcore section */
  3165. /******************************************************************/
  3166. /* The init_internal_warpcore should mirror the xgxs,
  3167. * i.e. reset the lane (if needed), set aer for the
  3168. * init configuration, and set/clear SGMII flag. Internal
  3169. * phy init is done purely in phy_init stage.
  3170. */
  3171. #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
  3172. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3173. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3174. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
  3175. (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
  3176. #define WC_TX_FIR(post, main, pre) \
  3177. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3178. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3179. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3180. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3181. struct link_params *params,
  3182. struct link_vars *vars)
  3183. {
  3184. struct bnx2x *bp = params->bp;
  3185. u16 i;
  3186. static struct bnx2x_reg_set reg_set[] = {
  3187. /* Step 1 - Program the TX/RX alignment markers */
  3188. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3189. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3190. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3191. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3192. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3193. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3194. /* Step 2 - Configure the NP registers */
  3195. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3196. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3197. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3198. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3199. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3204. };
  3205. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3206. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3207. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3208. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3209. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3210. reg_set[i].val);
  3211. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3212. params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3213. bnx2x_update_link_attr(params, params->link_attr_sync);
  3214. }
  3215. static void bnx2x_disable_kr2(struct link_params *params,
  3216. struct link_vars *vars,
  3217. struct bnx2x_phy *phy)
  3218. {
  3219. struct bnx2x *bp = params->bp;
  3220. int i;
  3221. static struct bnx2x_reg_set reg_set[] = {
  3222. /* Step 1 - Program the TX/RX alignment markers */
  3223. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3224. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3225. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3226. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3227. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3228. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3229. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3230. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3231. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3232. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3233. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3234. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3235. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3236. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3237. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3238. };
  3239. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3240. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3241. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3242. reg_set[i].val);
  3243. params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3244. bnx2x_update_link_attr(params, params->link_attr_sync);
  3245. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3246. }
  3247. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3248. struct link_params *params)
  3249. {
  3250. struct bnx2x *bp = params->bp;
  3251. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3252. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3253. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3254. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3255. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3256. }
  3257. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3258. struct link_params *params)
  3259. {
  3260. /* Restart autoneg on the leading lane only */
  3261. struct bnx2x *bp = params->bp;
  3262. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3263. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3264. MDIO_AER_BLOCK_AER_REG, lane);
  3265. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3266. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3267. /* Restore AER */
  3268. bnx2x_set_aer_mmd(params, phy);
  3269. }
  3270. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3271. struct link_params *params,
  3272. struct link_vars *vars) {
  3273. u16 lane, i, cl72_ctrl, an_adv = 0, val;
  3274. u32 wc_lane_config;
  3275. struct bnx2x *bp = params->bp;
  3276. static struct bnx2x_reg_set reg_set[] = {
  3277. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3278. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3279. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3280. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3281. /* Disable Autoneg: re-enable it after adv is done. */
  3282. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3283. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3284. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3285. };
  3286. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3287. /* Set to default registers that may be overriden by 10G force */
  3288. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3289. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3290. reg_set[i].val);
  3291. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3293. cl72_ctrl &= 0x08ff;
  3294. cl72_ctrl |= 0x3800;
  3295. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3297. /* Check adding advertisement for 1G KX */
  3298. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3299. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3300. (vars->line_speed == SPEED_1000)) {
  3301. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3302. an_adv |= (1<<5);
  3303. /* Enable CL37 1G Parallel Detect */
  3304. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3305. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3306. }
  3307. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3308. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3309. (vars->line_speed == SPEED_10000)) {
  3310. /* Check adding advertisement for 10G KR */
  3311. an_adv |= (1<<7);
  3312. /* Enable 10G Parallel Detect */
  3313. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3314. MDIO_AER_BLOCK_AER_REG, 0);
  3315. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3316. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3317. bnx2x_set_aer_mmd(params, phy);
  3318. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3319. }
  3320. /* Set Transmit PMD settings */
  3321. lane = bnx2x_get_warpcore_lane(phy, params);
  3322. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3323. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3324. WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
  3325. /* Configure the next lane if dual mode */
  3326. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3327. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3328. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3329. WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
  3330. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3331. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3332. 0x03f0);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3335. 0x03f0);
  3336. /* Advertised speeds */
  3337. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3338. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3339. /* Advertised and set FEC (Forward Error Correction) */
  3340. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3341. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3342. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3343. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3344. /* Enable CL37 BAM */
  3345. if (REG_RD(bp, params->shmem_base +
  3346. offsetof(struct shmem_region, dev_info.
  3347. port_hw_config[params->port].default_cfg)) &
  3348. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3349. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3351. 1);
  3352. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3353. }
  3354. /* Advertise pause */
  3355. bnx2x_ext_phy_set_pause(params, phy, vars);
  3356. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3357. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3359. /* Over 1G - AN local device user page 1 */
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3362. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3363. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3364. (phy->req_line_speed == SPEED_20000)) {
  3365. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3366. MDIO_AER_BLOCK_AER_REG, lane);
  3367. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3369. (1<<11));
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3372. bnx2x_set_aer_mmd(params, phy);
  3373. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3374. } else {
  3375. /* Enable Auto-Detect to support 1G over CL37 as well */
  3376. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3377. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
  3378. wc_lane_config = REG_RD(bp, params->shmem_base +
  3379. offsetof(struct shmem_region, dev_info.
  3380. shared_hw_config.wc_lane_config));
  3381. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
  3383. /* Force cl48 sync_status LOW to avoid getting stuck in CL73
  3384. * parallel-detect loop when CL73 and CL37 are enabled.
  3385. */
  3386. val |= 1 << 11;
  3387. /* Restore Polarity settings in case it was run over by
  3388. * previous link owner
  3389. */
  3390. if (wc_lane_config &
  3391. (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
  3392. val |= 3 << 2;
  3393. else
  3394. val &= ~(3 << 2);
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
  3397. val);
  3398. bnx2x_disable_kr2(params, vars, phy);
  3399. }
  3400. /* Enable Autoneg: only on the main lane */
  3401. bnx2x_warpcore_restart_AN_KR(phy, params);
  3402. }
  3403. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3404. struct link_params *params,
  3405. struct link_vars *vars)
  3406. {
  3407. struct bnx2x *bp = params->bp;
  3408. u16 val16, i, lane;
  3409. static struct bnx2x_reg_set reg_set[] = {
  3410. /* Disable Autoneg */
  3411. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3412. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3413. 0x3f00},
  3414. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3415. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3416. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3417. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3418. /* Leave cl72 training enable, needed for KR */
  3419. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3420. };
  3421. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3422. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3423. reg_set[i].val);
  3424. lane = bnx2x_get_warpcore_lane(phy, params);
  3425. /* Global registers */
  3426. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3427. MDIO_AER_BLOCK_AER_REG, 0);
  3428. /* Disable CL36 PCS Tx */
  3429. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3430. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3431. val16 &= ~(0x0011 << lane);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3434. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3436. val16 |= (0x0303 << (lane << 1));
  3437. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3438. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3439. /* Restore AER */
  3440. bnx2x_set_aer_mmd(params, phy);
  3441. /* Set speed via PMA/PMD register */
  3442. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3443. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3444. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3445. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3446. /* Enable encoded forced speed */
  3447. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3448. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3449. /* Turn TX scramble payload only the 64/66 scrambler */
  3450. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3452. /* Turn RX scramble payload only the 64/66 scrambler */
  3453. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3455. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3458. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3460. }
  3461. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3462. struct link_params *params,
  3463. u8 is_xfi)
  3464. {
  3465. struct bnx2x *bp = params->bp;
  3466. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3467. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3468. u32 ifir_val, ipost2_val, ipre_driver_val;
  3469. /* Hold rxSeqStart */
  3470. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3472. /* Hold tx_fifo_reset */
  3473. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3475. /* Disable CL73 AN */
  3476. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3477. /* Disable 100FX Enable and Auto-Detect */
  3478. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3480. /* Disable 100FX Idle detect */
  3481. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3483. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3484. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3486. /* Turn off auto-detect & fiber mode */
  3487. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3489. 0xFFEE);
  3490. /* Set filter_force_link, disable_false_link and parallel_detect */
  3491. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3495. ((val | 0x0006) & 0xFFFE));
  3496. /* Set XFI / SFI */
  3497. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3499. misc1_val &= ~(0x1f);
  3500. if (is_xfi) {
  3501. misc1_val |= 0x5;
  3502. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3503. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
  3504. } else {
  3505. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3506. offsetof(struct shmem_region, dev_info.
  3507. port_hw_config[params->port].
  3508. sfi_tap_values));
  3509. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3510. misc1_val |= 0x9;
  3511. /* TAP values are controlled by nvram, if value there isn't 0 */
  3512. if (tx_equal)
  3513. tap_val = (u16)tx_equal;
  3514. else
  3515. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3516. ifir_val = DEFAULT_TX_DRV_IFIR;
  3517. ipost2_val = DEFAULT_TX_DRV_POST2;
  3518. ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
  3519. tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
  3520. /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
  3521. * configuration.
  3522. */
  3523. if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
  3524. PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
  3525. PORT_HW_CFG_TX_DRV_POST2_MASK)) {
  3526. ifir_val = (cfg_tap_val &
  3527. PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
  3528. PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
  3529. ipre_driver_val = (cfg_tap_val &
  3530. PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
  3531. >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
  3532. ipost2_val = (cfg_tap_val &
  3533. PORT_HW_CFG_TX_DRV_POST2_MASK) >>
  3534. PORT_HW_CFG_TX_DRV_POST2_SHIFT;
  3535. }
  3536. if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
  3537. tx_drv_brdct = (cfg_tap_val &
  3538. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3539. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3540. }
  3541. tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
  3542. ipre_driver_val, ifir_val);
  3543. }
  3544. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3545. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3546. /* Set Transmit PMD settings */
  3547. lane = bnx2x_get_warpcore_lane(phy, params);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_TX_FIR_TAP,
  3550. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3553. tx_driver_val);
  3554. /* Enable fiber mode, enable and invert sig_det */
  3555. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3557. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3558. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3560. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3561. /* 10G XFI Full Duplex */
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3564. /* Release tx_fifo_reset */
  3565. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3567. 0xFFFE);
  3568. /* Release rxSeqStart */
  3569. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3571. }
  3572. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3573. struct link_params *params)
  3574. {
  3575. u16 val;
  3576. struct bnx2x *bp = params->bp;
  3577. /* Set global registers, so set AER lane to 0 */
  3578. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3579. MDIO_AER_BLOCK_AER_REG, 0);
  3580. /* Disable sequencer */
  3581. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3583. bnx2x_set_aer_mmd(params, phy);
  3584. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3585. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3586. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3587. MDIO_AN_REG_CTRL, 0);
  3588. /* Turn off CL73 */
  3589. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3591. val &= ~(1<<5);
  3592. val |= (1<<6);
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3595. /* Set 20G KR2 force speed */
  3596. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3598. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3600. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3601. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3602. val &= ~(3<<14);
  3603. val |= (1<<15);
  3604. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3605. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3606. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3608. /* Enable sequencer (over lane 0) */
  3609. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3610. MDIO_AER_BLOCK_AER_REG, 0);
  3611. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3613. bnx2x_set_aer_mmd(params, phy);
  3614. }
  3615. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3616. struct bnx2x_phy *phy,
  3617. u16 lane)
  3618. {
  3619. /* Rx0 anaRxControl1G */
  3620. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3621. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3622. /* Rx2 anaRxControl1G */
  3623. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3624. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3625. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3626. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3629. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3630. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3631. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3633. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3634. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3635. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3637. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3639. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3640. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3641. /* Serdes Digital Misc1 */
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3644. /* Serdes Digital4 Misc3 */
  3645. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3647. /* Set Transmit PMD settings */
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_TX_FIR_TAP,
  3650. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3651. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3654. WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
  3655. }
  3656. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3657. struct link_params *params,
  3658. u8 fiber_mode,
  3659. u8 always_autoneg)
  3660. {
  3661. struct bnx2x *bp = params->bp;
  3662. u16 val16, digctrl_kx1, digctrl_kx2;
  3663. /* Clear XFI clock comp in non-10G single lane mode. */
  3664. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3665. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3666. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3667. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3668. /* SGMII Autoneg */
  3669. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3670. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3671. 0x1000);
  3672. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3673. } else {
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3676. val16 &= 0xcebf;
  3677. switch (phy->req_line_speed) {
  3678. case SPEED_10:
  3679. break;
  3680. case SPEED_100:
  3681. val16 |= 0x2000;
  3682. break;
  3683. case SPEED_1000:
  3684. val16 |= 0x0040;
  3685. break;
  3686. default:
  3687. DP(NETIF_MSG_LINK,
  3688. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3689. return;
  3690. }
  3691. if (phy->req_duplex == DUPLEX_FULL)
  3692. val16 |= 0x0100;
  3693. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3694. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3695. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3696. phy->req_line_speed);
  3697. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3698. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3699. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3700. }
  3701. /* SGMII Slave mode and disable signal detect */
  3702. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3703. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3704. if (fiber_mode)
  3705. digctrl_kx1 = 1;
  3706. else
  3707. digctrl_kx1 &= 0xff4a;
  3708. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3709. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3710. digctrl_kx1);
  3711. /* Turn off parallel detect */
  3712. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3713. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3714. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3715. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3716. (digctrl_kx2 & ~(1<<2)));
  3717. /* Re-enable parallel detect */
  3718. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3719. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3720. (digctrl_kx2 | (1<<2)));
  3721. /* Enable autodet */
  3722. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3723. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3724. (digctrl_kx1 | 0x10));
  3725. }
  3726. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3727. struct bnx2x_phy *phy,
  3728. u8 reset)
  3729. {
  3730. u16 val;
  3731. /* Take lane out of reset after configuration is finished */
  3732. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3733. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3734. if (reset)
  3735. val |= 0xC000;
  3736. else
  3737. val &= 0x3FFF;
  3738. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3739. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3740. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3741. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3742. }
  3743. /* Clear SFI/XFI link settings registers */
  3744. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3745. struct link_params *params,
  3746. u16 lane)
  3747. {
  3748. struct bnx2x *bp = params->bp;
  3749. u16 i;
  3750. static struct bnx2x_reg_set wc_regs[] = {
  3751. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3752. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3753. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3754. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3755. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3756. 0x0195},
  3757. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3758. 0x0007},
  3759. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3760. 0x0002},
  3761. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3762. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3763. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3764. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3765. };
  3766. /* Set XFI clock comp as default. */
  3767. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3768. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3769. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3770. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3771. wc_regs[i].val);
  3772. lane = bnx2x_get_warpcore_lane(phy, params);
  3773. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3774. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3775. }
  3776. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3777. u32 chip_id,
  3778. u32 shmem_base, u8 port,
  3779. u8 *gpio_num, u8 *gpio_port)
  3780. {
  3781. u32 cfg_pin;
  3782. *gpio_num = 0;
  3783. *gpio_port = 0;
  3784. if (CHIP_IS_E3(bp)) {
  3785. cfg_pin = (REG_RD(bp, shmem_base +
  3786. offsetof(struct shmem_region,
  3787. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3788. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3789. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3790. /* Should not happen. This function called upon interrupt
  3791. * triggered by GPIO ( since EPIO can only generate interrupts
  3792. * to MCP).
  3793. * So if this function was called and none of the GPIOs was set,
  3794. * it means the shit hit the fan.
  3795. */
  3796. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3797. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3798. DP(NETIF_MSG_LINK,
  3799. "No cfg pin %x for module detect indication\n",
  3800. cfg_pin);
  3801. return -EINVAL;
  3802. }
  3803. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3804. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3805. } else {
  3806. *gpio_num = MISC_REGISTERS_GPIO_3;
  3807. *gpio_port = port;
  3808. }
  3809. return 0;
  3810. }
  3811. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3812. struct link_params *params)
  3813. {
  3814. struct bnx2x *bp = params->bp;
  3815. u8 gpio_num, gpio_port;
  3816. u32 gpio_val;
  3817. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3818. params->shmem_base, params->port,
  3819. &gpio_num, &gpio_port) != 0)
  3820. return 0;
  3821. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3822. /* Call the handling function in case module is detected */
  3823. if (gpio_val == 0)
  3824. return 1;
  3825. else
  3826. return 0;
  3827. }
  3828. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3829. struct link_params *params)
  3830. {
  3831. u16 gp2_status_reg0, lane;
  3832. struct bnx2x *bp = params->bp;
  3833. lane = bnx2x_get_warpcore_lane(phy, params);
  3834. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3835. &gp2_status_reg0);
  3836. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3837. }
  3838. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3839. struct link_params *params,
  3840. struct link_vars *vars)
  3841. {
  3842. struct bnx2x *bp = params->bp;
  3843. u32 serdes_net_if;
  3844. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3845. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3846. if (!vars->turn_to_run_wc_rt)
  3847. return;
  3848. if (vars->rx_tx_asic_rst) {
  3849. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3850. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3851. offsetof(struct shmem_region, dev_info.
  3852. port_hw_config[params->port].default_cfg)) &
  3853. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3854. switch (serdes_net_if) {
  3855. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3856. /* Do we get link yet? */
  3857. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3858. &gp_status1);
  3859. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3860. /*10G KR*/
  3861. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3862. if (lnkup_kr || lnkup) {
  3863. vars->rx_tx_asic_rst = 0;
  3864. } else {
  3865. /* Reset the lane to see if link comes up.*/
  3866. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3867. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3868. /* Restart Autoneg */
  3869. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3870. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3871. vars->rx_tx_asic_rst--;
  3872. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3873. vars->rx_tx_asic_rst);
  3874. }
  3875. break;
  3876. default:
  3877. break;
  3878. }
  3879. } /*params->rx_tx_asic_rst*/
  3880. }
  3881. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3882. struct link_params *params)
  3883. {
  3884. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3885. struct bnx2x *bp = params->bp;
  3886. bnx2x_warpcore_clear_regs(phy, params, lane);
  3887. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3888. SPEED_10000) &&
  3889. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3890. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3891. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3892. } else {
  3893. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3894. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3895. }
  3896. }
  3897. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3898. struct bnx2x_phy *phy,
  3899. u8 tx_en)
  3900. {
  3901. struct bnx2x *bp = params->bp;
  3902. u32 cfg_pin;
  3903. u8 port = params->port;
  3904. cfg_pin = REG_RD(bp, params->shmem_base +
  3905. offsetof(struct shmem_region,
  3906. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3907. PORT_HW_CFG_E3_TX_LASER_MASK;
  3908. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3909. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3910. /* For 20G, the expected pin to be used is 3 pins after the current */
  3911. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3912. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3913. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3914. }
  3915. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3916. struct link_params *params,
  3917. struct link_vars *vars)
  3918. {
  3919. struct bnx2x *bp = params->bp;
  3920. u32 serdes_net_if;
  3921. u8 fiber_mode;
  3922. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3923. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3924. offsetof(struct shmem_region, dev_info.
  3925. port_hw_config[params->port].default_cfg)) &
  3926. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3927. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3928. "serdes_net_if = 0x%x\n",
  3929. vars->line_speed, serdes_net_if);
  3930. bnx2x_set_aer_mmd(params, phy);
  3931. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3932. vars->phy_flags |= PHY_XGXS_FLAG;
  3933. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3934. (phy->req_line_speed &&
  3935. ((phy->req_line_speed == SPEED_100) ||
  3936. (phy->req_line_speed == SPEED_10)))) {
  3937. vars->phy_flags |= PHY_SGMII_FLAG;
  3938. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3939. bnx2x_warpcore_clear_regs(phy, params, lane);
  3940. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3941. } else {
  3942. switch (serdes_net_if) {
  3943. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3944. /* Enable KR Auto Neg */
  3945. if (params->loopback_mode != LOOPBACK_EXT)
  3946. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3947. else {
  3948. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3949. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3950. }
  3951. break;
  3952. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3953. bnx2x_warpcore_clear_regs(phy, params, lane);
  3954. if (vars->line_speed == SPEED_10000) {
  3955. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3956. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3957. } else {
  3958. if (SINGLE_MEDIA_DIRECT(params)) {
  3959. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3960. fiber_mode = 1;
  3961. } else {
  3962. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3963. fiber_mode = 0;
  3964. }
  3965. bnx2x_warpcore_set_sgmii_speed(phy,
  3966. params,
  3967. fiber_mode,
  3968. 0);
  3969. }
  3970. break;
  3971. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3972. /* Issue Module detection if module is plugged, or
  3973. * enabled transmitter to avoid current leakage in case
  3974. * no module is connected
  3975. */
  3976. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3977. (params->loopback_mode == LOOPBACK_EXT)) {
  3978. if (bnx2x_is_sfp_module_plugged(phy, params))
  3979. bnx2x_sfp_module_detection(phy, params);
  3980. else
  3981. bnx2x_sfp_e3_set_transmitter(params,
  3982. phy, 1);
  3983. }
  3984. bnx2x_warpcore_config_sfi(phy, params);
  3985. break;
  3986. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3987. if (vars->line_speed != SPEED_20000) {
  3988. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3989. return;
  3990. }
  3991. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3992. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3993. /* Issue Module detection */
  3994. bnx2x_sfp_module_detection(phy, params);
  3995. break;
  3996. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3997. if (!params->loopback_mode) {
  3998. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3999. } else {
  4000. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  4001. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  4002. }
  4003. break;
  4004. default:
  4005. DP(NETIF_MSG_LINK,
  4006. "Unsupported Serdes Net Interface 0x%x\n",
  4007. serdes_net_if);
  4008. return;
  4009. }
  4010. }
  4011. /* Take lane out of reset after configuration is finished */
  4012. bnx2x_warpcore_reset_lane(bp, phy, 0);
  4013. DP(NETIF_MSG_LINK, "Exit config init\n");
  4014. }
  4015. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  4016. struct link_params *params)
  4017. {
  4018. struct bnx2x *bp = params->bp;
  4019. u16 val16, lane;
  4020. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  4021. bnx2x_set_mdio_emac_per_phy(bp, params);
  4022. bnx2x_set_aer_mmd(params, phy);
  4023. /* Global register */
  4024. bnx2x_warpcore_reset_lane(bp, phy, 1);
  4025. /* Clear loopback settings (if any) */
  4026. /* 10G & 20G */
  4027. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4028. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  4029. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4030. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  4031. /* Update those 1-copy registers */
  4032. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4033. MDIO_AER_BLOCK_AER_REG, 0);
  4034. /* Enable 1G MDIO (1-copy) */
  4035. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4036. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4037. ~0x10);
  4038. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4039. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  4040. lane = bnx2x_get_warpcore_lane(phy, params);
  4041. /* Disable CL36 PCS Tx */
  4042. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4043. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4044. val16 |= (0x11 << lane);
  4045. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4046. val16 |= (0x22 << lane);
  4047. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4048. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4049. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4050. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4051. val16 &= ~(0x0303 << (lane << 1));
  4052. val16 |= (0x0101 << (lane << 1));
  4053. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4054. val16 &= ~(0x0c0c << (lane << 1));
  4055. val16 |= (0x0404 << (lane << 1));
  4056. }
  4057. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4058. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4059. /* Restore AER */
  4060. bnx2x_set_aer_mmd(params, phy);
  4061. }
  4062. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4063. struct link_params *params)
  4064. {
  4065. struct bnx2x *bp = params->bp;
  4066. u16 val16;
  4067. u32 lane;
  4068. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4069. params->loopback_mode, phy->req_line_speed);
  4070. if (phy->req_line_speed < SPEED_10000 ||
  4071. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4072. /* 10/100/1000/20G-KR2 */
  4073. /* Update those 1-copy registers */
  4074. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4075. MDIO_AER_BLOCK_AER_REG, 0);
  4076. /* Enable 1G MDIO (1-copy) */
  4077. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4078. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4079. 0x10);
  4080. /* Set 1G loopback based on lane (1-copy) */
  4081. lane = bnx2x_get_warpcore_lane(phy, params);
  4082. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4083. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4084. val16 |= (1<<lane);
  4085. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4086. val16 |= (2<<lane);
  4087. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4088. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4089. val16);
  4090. /* Switch back to 4-copy registers */
  4091. bnx2x_set_aer_mmd(params, phy);
  4092. } else {
  4093. /* 10G / 20G-DXGXS */
  4094. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4095. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4096. 0x4000);
  4097. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4098. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4099. }
  4100. }
  4101. static void bnx2x_sync_link(struct link_params *params,
  4102. struct link_vars *vars)
  4103. {
  4104. struct bnx2x *bp = params->bp;
  4105. u8 link_10g_plus;
  4106. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4107. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4108. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4109. if (vars->link_up) {
  4110. DP(NETIF_MSG_LINK, "phy link up\n");
  4111. vars->phy_link_up = 1;
  4112. vars->duplex = DUPLEX_FULL;
  4113. switch (vars->link_status &
  4114. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4115. case LINK_10THD:
  4116. vars->duplex = DUPLEX_HALF;
  4117. /* Fall thru */
  4118. case LINK_10TFD:
  4119. vars->line_speed = SPEED_10;
  4120. break;
  4121. case LINK_100TXHD:
  4122. vars->duplex = DUPLEX_HALF;
  4123. /* Fall thru */
  4124. case LINK_100T4:
  4125. case LINK_100TXFD:
  4126. vars->line_speed = SPEED_100;
  4127. break;
  4128. case LINK_1000THD:
  4129. vars->duplex = DUPLEX_HALF;
  4130. /* Fall thru */
  4131. case LINK_1000TFD:
  4132. vars->line_speed = SPEED_1000;
  4133. break;
  4134. case LINK_2500THD:
  4135. vars->duplex = DUPLEX_HALF;
  4136. /* Fall thru */
  4137. case LINK_2500TFD:
  4138. vars->line_speed = SPEED_2500;
  4139. break;
  4140. case LINK_10GTFD:
  4141. vars->line_speed = SPEED_10000;
  4142. break;
  4143. case LINK_20GTFD:
  4144. vars->line_speed = SPEED_20000;
  4145. break;
  4146. default:
  4147. break;
  4148. }
  4149. vars->flow_ctrl = 0;
  4150. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4151. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4152. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4153. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4154. if (!vars->flow_ctrl)
  4155. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4156. if (vars->line_speed &&
  4157. ((vars->line_speed == SPEED_10) ||
  4158. (vars->line_speed == SPEED_100))) {
  4159. vars->phy_flags |= PHY_SGMII_FLAG;
  4160. } else {
  4161. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4162. }
  4163. if (vars->line_speed &&
  4164. USES_WARPCORE(bp) &&
  4165. (vars->line_speed == SPEED_1000))
  4166. vars->phy_flags |= PHY_SGMII_FLAG;
  4167. /* Anything 10 and over uses the bmac */
  4168. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4169. if (link_10g_plus) {
  4170. if (USES_WARPCORE(bp))
  4171. vars->mac_type = MAC_TYPE_XMAC;
  4172. else
  4173. vars->mac_type = MAC_TYPE_BMAC;
  4174. } else {
  4175. if (USES_WARPCORE(bp))
  4176. vars->mac_type = MAC_TYPE_UMAC;
  4177. else
  4178. vars->mac_type = MAC_TYPE_EMAC;
  4179. }
  4180. } else { /* Link down */
  4181. DP(NETIF_MSG_LINK, "phy link down\n");
  4182. vars->phy_link_up = 0;
  4183. vars->line_speed = 0;
  4184. vars->duplex = DUPLEX_FULL;
  4185. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4186. /* Indicate no mac active */
  4187. vars->mac_type = MAC_TYPE_NONE;
  4188. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4189. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4190. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4191. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4192. }
  4193. }
  4194. void bnx2x_link_status_update(struct link_params *params,
  4195. struct link_vars *vars)
  4196. {
  4197. struct bnx2x *bp = params->bp;
  4198. u8 port = params->port;
  4199. u32 sync_offset, media_types;
  4200. /* Update PHY configuration */
  4201. set_phy_vars(params, vars);
  4202. vars->link_status = REG_RD(bp, params->shmem_base +
  4203. offsetof(struct shmem_region,
  4204. port_mb[port].link_status));
  4205. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4206. if (params->loopback_mode != LOOPBACK_NONE &&
  4207. params->loopback_mode != LOOPBACK_EXT)
  4208. vars->link_status |= LINK_STATUS_LINK_UP;
  4209. if (bnx2x_eee_has_cap(params))
  4210. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4211. offsetof(struct shmem2_region,
  4212. eee_status[params->port]));
  4213. vars->phy_flags = PHY_XGXS_FLAG;
  4214. bnx2x_sync_link(params, vars);
  4215. /* Sync media type */
  4216. sync_offset = params->shmem_base +
  4217. offsetof(struct shmem_region,
  4218. dev_info.port_hw_config[port].media_type);
  4219. media_types = REG_RD(bp, sync_offset);
  4220. params->phy[INT_PHY].media_type =
  4221. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4222. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4223. params->phy[EXT_PHY1].media_type =
  4224. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4225. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4226. params->phy[EXT_PHY2].media_type =
  4227. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4228. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4229. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4230. /* Sync AEU offset */
  4231. sync_offset = params->shmem_base +
  4232. offsetof(struct shmem_region,
  4233. dev_info.port_hw_config[port].aeu_int_mask);
  4234. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4235. /* Sync PFC status */
  4236. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4237. params->feature_config_flags |=
  4238. FEATURE_CONFIG_PFC_ENABLED;
  4239. else
  4240. params->feature_config_flags &=
  4241. ~FEATURE_CONFIG_PFC_ENABLED;
  4242. if (SHMEM2_HAS(bp, link_attr_sync))
  4243. params->link_attr_sync = SHMEM2_RD(bp,
  4244. link_attr_sync[params->port]);
  4245. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4246. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4247. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4248. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4249. }
  4250. static void bnx2x_set_master_ln(struct link_params *params,
  4251. struct bnx2x_phy *phy)
  4252. {
  4253. struct bnx2x *bp = params->bp;
  4254. u16 new_master_ln, ser_lane;
  4255. ser_lane = ((params->lane_config &
  4256. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4257. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4258. /* Set the master_ln for AN */
  4259. CL22_RD_OVER_CL45(bp, phy,
  4260. MDIO_REG_BANK_XGXS_BLOCK2,
  4261. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4262. &new_master_ln);
  4263. CL22_WR_OVER_CL45(bp, phy,
  4264. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4265. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4266. (new_master_ln | ser_lane));
  4267. }
  4268. static int bnx2x_reset_unicore(struct link_params *params,
  4269. struct bnx2x_phy *phy,
  4270. u8 set_serdes)
  4271. {
  4272. struct bnx2x *bp = params->bp;
  4273. u16 mii_control;
  4274. u16 i;
  4275. CL22_RD_OVER_CL45(bp, phy,
  4276. MDIO_REG_BANK_COMBO_IEEE0,
  4277. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4278. /* Reset the unicore */
  4279. CL22_WR_OVER_CL45(bp, phy,
  4280. MDIO_REG_BANK_COMBO_IEEE0,
  4281. MDIO_COMBO_IEEE0_MII_CONTROL,
  4282. (mii_control |
  4283. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4284. if (set_serdes)
  4285. bnx2x_set_serdes_access(bp, params->port);
  4286. /* Wait for the reset to self clear */
  4287. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4288. udelay(5);
  4289. /* The reset erased the previous bank value */
  4290. CL22_RD_OVER_CL45(bp, phy,
  4291. MDIO_REG_BANK_COMBO_IEEE0,
  4292. MDIO_COMBO_IEEE0_MII_CONTROL,
  4293. &mii_control);
  4294. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4295. udelay(5);
  4296. return 0;
  4297. }
  4298. }
  4299. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4300. " Port %d\n",
  4301. params->port);
  4302. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4303. return -EINVAL;
  4304. }
  4305. static void bnx2x_set_swap_lanes(struct link_params *params,
  4306. struct bnx2x_phy *phy)
  4307. {
  4308. struct bnx2x *bp = params->bp;
  4309. /* Each two bits represents a lane number:
  4310. * No swap is 0123 => 0x1b no need to enable the swap
  4311. */
  4312. u16 rx_lane_swap, tx_lane_swap;
  4313. rx_lane_swap = ((params->lane_config &
  4314. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4315. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4316. tx_lane_swap = ((params->lane_config &
  4317. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4318. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4319. if (rx_lane_swap != 0x1b) {
  4320. CL22_WR_OVER_CL45(bp, phy,
  4321. MDIO_REG_BANK_XGXS_BLOCK2,
  4322. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4323. (rx_lane_swap |
  4324. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4325. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4326. } else {
  4327. CL22_WR_OVER_CL45(bp, phy,
  4328. MDIO_REG_BANK_XGXS_BLOCK2,
  4329. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4330. }
  4331. if (tx_lane_swap != 0x1b) {
  4332. CL22_WR_OVER_CL45(bp, phy,
  4333. MDIO_REG_BANK_XGXS_BLOCK2,
  4334. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4335. (tx_lane_swap |
  4336. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4337. } else {
  4338. CL22_WR_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_XGXS_BLOCK2,
  4340. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4341. }
  4342. }
  4343. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4344. struct link_params *params)
  4345. {
  4346. struct bnx2x *bp = params->bp;
  4347. u16 control2;
  4348. CL22_RD_OVER_CL45(bp, phy,
  4349. MDIO_REG_BANK_SERDES_DIGITAL,
  4350. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4351. &control2);
  4352. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4353. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4354. else
  4355. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4356. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4357. phy->speed_cap_mask, control2);
  4358. CL22_WR_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_SERDES_DIGITAL,
  4360. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4361. control2);
  4362. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4363. (phy->speed_cap_mask &
  4364. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4365. DP(NETIF_MSG_LINK, "XGXS\n");
  4366. CL22_WR_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4368. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4369. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4370. CL22_RD_OVER_CL45(bp, phy,
  4371. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4372. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4373. &control2);
  4374. control2 |=
  4375. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4376. CL22_WR_OVER_CL45(bp, phy,
  4377. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4378. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4379. control2);
  4380. /* Disable parallel detection of HiG */
  4381. CL22_WR_OVER_CL45(bp, phy,
  4382. MDIO_REG_BANK_XGXS_BLOCK2,
  4383. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4384. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4385. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4386. }
  4387. }
  4388. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4389. struct link_params *params,
  4390. struct link_vars *vars,
  4391. u8 enable_cl73)
  4392. {
  4393. struct bnx2x *bp = params->bp;
  4394. u16 reg_val;
  4395. /* CL37 Autoneg */
  4396. CL22_RD_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_COMBO_IEEE0,
  4398. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4399. /* CL37 Autoneg Enabled */
  4400. if (vars->line_speed == SPEED_AUTO_NEG)
  4401. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4402. else /* CL37 Autoneg Disabled */
  4403. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4404. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_COMBO_IEEE0,
  4407. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4408. /* Enable/Disable Autodetection */
  4409. CL22_RD_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_SERDES_DIGITAL,
  4411. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4412. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4413. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4414. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4415. if (vars->line_speed == SPEED_AUTO_NEG)
  4416. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4417. else
  4418. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4419. CL22_WR_OVER_CL45(bp, phy,
  4420. MDIO_REG_BANK_SERDES_DIGITAL,
  4421. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4422. /* Enable TetonII and BAM autoneg */
  4423. CL22_RD_OVER_CL45(bp, phy,
  4424. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4425. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4426. &reg_val);
  4427. if (vars->line_speed == SPEED_AUTO_NEG) {
  4428. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4429. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4430. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4431. } else {
  4432. /* TetonII and BAM Autoneg Disabled */
  4433. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4434. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4435. }
  4436. CL22_WR_OVER_CL45(bp, phy,
  4437. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4438. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4439. reg_val);
  4440. if (enable_cl73) {
  4441. /* Enable Cl73 FSM status bits */
  4442. CL22_WR_OVER_CL45(bp, phy,
  4443. MDIO_REG_BANK_CL73_USERB0,
  4444. MDIO_CL73_USERB0_CL73_UCTRL,
  4445. 0xe);
  4446. /* Enable BAM Station Manager*/
  4447. CL22_WR_OVER_CL45(bp, phy,
  4448. MDIO_REG_BANK_CL73_USERB0,
  4449. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4450. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4451. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4452. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4453. /* Advertise CL73 link speeds */
  4454. CL22_RD_OVER_CL45(bp, phy,
  4455. MDIO_REG_BANK_CL73_IEEEB1,
  4456. MDIO_CL73_IEEEB1_AN_ADV2,
  4457. &reg_val);
  4458. if (phy->speed_cap_mask &
  4459. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4460. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4461. if (phy->speed_cap_mask &
  4462. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4463. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4464. CL22_WR_OVER_CL45(bp, phy,
  4465. MDIO_REG_BANK_CL73_IEEEB1,
  4466. MDIO_CL73_IEEEB1_AN_ADV2,
  4467. reg_val);
  4468. /* CL73 Autoneg Enabled */
  4469. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4470. } else /* CL73 Autoneg Disabled */
  4471. reg_val = 0;
  4472. CL22_WR_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_CL73_IEEEB0,
  4474. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4475. }
  4476. /* Program SerDes, forced speed */
  4477. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4478. struct link_params *params,
  4479. struct link_vars *vars)
  4480. {
  4481. struct bnx2x *bp = params->bp;
  4482. u16 reg_val;
  4483. /* Program duplex, disable autoneg and sgmii*/
  4484. CL22_RD_OVER_CL45(bp, phy,
  4485. MDIO_REG_BANK_COMBO_IEEE0,
  4486. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4487. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4488. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4489. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4490. if (phy->req_duplex == DUPLEX_FULL)
  4491. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4492. CL22_WR_OVER_CL45(bp, phy,
  4493. MDIO_REG_BANK_COMBO_IEEE0,
  4494. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4495. /* Program speed
  4496. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4497. */
  4498. CL22_RD_OVER_CL45(bp, phy,
  4499. MDIO_REG_BANK_SERDES_DIGITAL,
  4500. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4501. /* Clearing the speed value before setting the right speed */
  4502. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4503. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4504. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4505. if (!((vars->line_speed == SPEED_1000) ||
  4506. (vars->line_speed == SPEED_100) ||
  4507. (vars->line_speed == SPEED_10))) {
  4508. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4509. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4510. if (vars->line_speed == SPEED_10000)
  4511. reg_val |=
  4512. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4513. }
  4514. CL22_WR_OVER_CL45(bp, phy,
  4515. MDIO_REG_BANK_SERDES_DIGITAL,
  4516. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4517. }
  4518. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4519. struct link_params *params)
  4520. {
  4521. struct bnx2x *bp = params->bp;
  4522. u16 val = 0;
  4523. /* Set extended capabilities */
  4524. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4525. val |= MDIO_OVER_1G_UP1_2_5G;
  4526. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4527. val |= MDIO_OVER_1G_UP1_10G;
  4528. CL22_WR_OVER_CL45(bp, phy,
  4529. MDIO_REG_BANK_OVER_1G,
  4530. MDIO_OVER_1G_UP1, val);
  4531. CL22_WR_OVER_CL45(bp, phy,
  4532. MDIO_REG_BANK_OVER_1G,
  4533. MDIO_OVER_1G_UP3, 0x400);
  4534. }
  4535. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4536. struct link_params *params,
  4537. u16 ieee_fc)
  4538. {
  4539. struct bnx2x *bp = params->bp;
  4540. u16 val;
  4541. /* For AN, we are always publishing full duplex */
  4542. CL22_WR_OVER_CL45(bp, phy,
  4543. MDIO_REG_BANK_COMBO_IEEE0,
  4544. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4545. CL22_RD_OVER_CL45(bp, phy,
  4546. MDIO_REG_BANK_CL73_IEEEB1,
  4547. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4548. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4549. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4550. CL22_WR_OVER_CL45(bp, phy,
  4551. MDIO_REG_BANK_CL73_IEEEB1,
  4552. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4553. }
  4554. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4555. struct link_params *params,
  4556. u8 enable_cl73)
  4557. {
  4558. struct bnx2x *bp = params->bp;
  4559. u16 mii_control;
  4560. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4561. /* Enable and restart BAM/CL37 aneg */
  4562. if (enable_cl73) {
  4563. CL22_RD_OVER_CL45(bp, phy,
  4564. MDIO_REG_BANK_CL73_IEEEB0,
  4565. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4566. &mii_control);
  4567. CL22_WR_OVER_CL45(bp, phy,
  4568. MDIO_REG_BANK_CL73_IEEEB0,
  4569. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4570. (mii_control |
  4571. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4572. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4573. } else {
  4574. CL22_RD_OVER_CL45(bp, phy,
  4575. MDIO_REG_BANK_COMBO_IEEE0,
  4576. MDIO_COMBO_IEEE0_MII_CONTROL,
  4577. &mii_control);
  4578. DP(NETIF_MSG_LINK,
  4579. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4580. mii_control);
  4581. CL22_WR_OVER_CL45(bp, phy,
  4582. MDIO_REG_BANK_COMBO_IEEE0,
  4583. MDIO_COMBO_IEEE0_MII_CONTROL,
  4584. (mii_control |
  4585. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4586. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4587. }
  4588. }
  4589. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4590. struct link_params *params,
  4591. struct link_vars *vars)
  4592. {
  4593. struct bnx2x *bp = params->bp;
  4594. u16 control1;
  4595. /* In SGMII mode, the unicore is always slave */
  4596. CL22_RD_OVER_CL45(bp, phy,
  4597. MDIO_REG_BANK_SERDES_DIGITAL,
  4598. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4599. &control1);
  4600. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4601. /* Set sgmii mode (and not fiber) */
  4602. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4603. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4604. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4605. CL22_WR_OVER_CL45(bp, phy,
  4606. MDIO_REG_BANK_SERDES_DIGITAL,
  4607. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4608. control1);
  4609. /* If forced speed */
  4610. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4611. /* Set speed, disable autoneg */
  4612. u16 mii_control;
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_COMBO_IEEE0,
  4615. MDIO_COMBO_IEEE0_MII_CONTROL,
  4616. &mii_control);
  4617. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4618. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4619. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4620. switch (vars->line_speed) {
  4621. case SPEED_100:
  4622. mii_control |=
  4623. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4624. break;
  4625. case SPEED_1000:
  4626. mii_control |=
  4627. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4628. break;
  4629. case SPEED_10:
  4630. /* There is nothing to set for 10M */
  4631. break;
  4632. default:
  4633. /* Invalid speed for SGMII */
  4634. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4635. vars->line_speed);
  4636. break;
  4637. }
  4638. /* Setting the full duplex */
  4639. if (phy->req_duplex == DUPLEX_FULL)
  4640. mii_control |=
  4641. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4642. CL22_WR_OVER_CL45(bp, phy,
  4643. MDIO_REG_BANK_COMBO_IEEE0,
  4644. MDIO_COMBO_IEEE0_MII_CONTROL,
  4645. mii_control);
  4646. } else { /* AN mode */
  4647. /* Enable and restart AN */
  4648. bnx2x_restart_autoneg(phy, params, 0);
  4649. }
  4650. }
  4651. /* Link management
  4652. */
  4653. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4654. struct link_params *params)
  4655. {
  4656. struct bnx2x *bp = params->bp;
  4657. u16 pd_10g, status2_1000x;
  4658. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4659. return 0;
  4660. CL22_RD_OVER_CL45(bp, phy,
  4661. MDIO_REG_BANK_SERDES_DIGITAL,
  4662. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4663. &status2_1000x);
  4664. CL22_RD_OVER_CL45(bp, phy,
  4665. MDIO_REG_BANK_SERDES_DIGITAL,
  4666. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4667. &status2_1000x);
  4668. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4669. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4670. params->port);
  4671. return 1;
  4672. }
  4673. CL22_RD_OVER_CL45(bp, phy,
  4674. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4675. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4676. &pd_10g);
  4677. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4678. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4679. params->port);
  4680. return 1;
  4681. }
  4682. return 0;
  4683. }
  4684. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4685. struct link_params *params,
  4686. struct link_vars *vars,
  4687. u32 gp_status)
  4688. {
  4689. u16 ld_pause; /* local driver */
  4690. u16 lp_pause; /* link partner */
  4691. u16 pause_result;
  4692. struct bnx2x *bp = params->bp;
  4693. if ((gp_status &
  4694. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4695. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4696. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4697. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4698. CL22_RD_OVER_CL45(bp, phy,
  4699. MDIO_REG_BANK_CL73_IEEEB1,
  4700. MDIO_CL73_IEEEB1_AN_ADV1,
  4701. &ld_pause);
  4702. CL22_RD_OVER_CL45(bp, phy,
  4703. MDIO_REG_BANK_CL73_IEEEB1,
  4704. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4705. &lp_pause);
  4706. pause_result = (ld_pause &
  4707. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4708. pause_result |= (lp_pause &
  4709. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4710. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4711. } else {
  4712. CL22_RD_OVER_CL45(bp, phy,
  4713. MDIO_REG_BANK_COMBO_IEEE0,
  4714. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4715. &ld_pause);
  4716. CL22_RD_OVER_CL45(bp, phy,
  4717. MDIO_REG_BANK_COMBO_IEEE0,
  4718. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4719. &lp_pause);
  4720. pause_result = (ld_pause &
  4721. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4722. pause_result |= (lp_pause &
  4723. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4724. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4725. }
  4726. bnx2x_pause_resolve(phy, params, vars, pause_result);
  4727. }
  4728. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4729. struct link_params *params,
  4730. struct link_vars *vars,
  4731. u32 gp_status)
  4732. {
  4733. struct bnx2x *bp = params->bp;
  4734. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4735. /* Resolve from gp_status in case of AN complete and not sgmii */
  4736. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4737. /* Update the advertised flow-controled of LD/LP in AN */
  4738. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4739. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4740. /* But set the flow-control result as the requested one */
  4741. vars->flow_ctrl = phy->req_flow_ctrl;
  4742. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4743. vars->flow_ctrl = params->req_fc_auto_adv;
  4744. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4745. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4746. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4747. vars->flow_ctrl = params->req_fc_auto_adv;
  4748. return;
  4749. }
  4750. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4751. }
  4752. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4753. }
  4754. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4755. struct link_params *params)
  4756. {
  4757. struct bnx2x *bp = params->bp;
  4758. u16 rx_status, ustat_val, cl37_fsm_received;
  4759. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4760. /* Step 1: Make sure signal is detected */
  4761. CL22_RD_OVER_CL45(bp, phy,
  4762. MDIO_REG_BANK_RX0,
  4763. MDIO_RX0_RX_STATUS,
  4764. &rx_status);
  4765. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4766. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4767. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4768. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4769. CL22_WR_OVER_CL45(bp, phy,
  4770. MDIO_REG_BANK_CL73_IEEEB0,
  4771. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4772. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4773. return;
  4774. }
  4775. /* Step 2: Check CL73 state machine */
  4776. CL22_RD_OVER_CL45(bp, phy,
  4777. MDIO_REG_BANK_CL73_USERB0,
  4778. MDIO_CL73_USERB0_CL73_USTAT1,
  4779. &ustat_val);
  4780. if ((ustat_val &
  4781. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4782. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4783. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4784. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4785. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4786. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4787. return;
  4788. }
  4789. /* Step 3: Check CL37 Message Pages received to indicate LP
  4790. * supports only CL37
  4791. */
  4792. CL22_RD_OVER_CL45(bp, phy,
  4793. MDIO_REG_BANK_REMOTE_PHY,
  4794. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4795. &cl37_fsm_received);
  4796. if ((cl37_fsm_received &
  4797. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4798. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4799. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4800. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4801. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4802. "misc_rx_status(0x8330) = 0x%x\n",
  4803. cl37_fsm_received);
  4804. return;
  4805. }
  4806. /* The combined cl37/cl73 fsm state information indicating that
  4807. * we are connected to a device which does not support cl73, but
  4808. * does support cl37 BAM. In this case we disable cl73 and
  4809. * restart cl37 auto-neg
  4810. */
  4811. /* Disable CL73 */
  4812. CL22_WR_OVER_CL45(bp, phy,
  4813. MDIO_REG_BANK_CL73_IEEEB0,
  4814. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4815. 0);
  4816. /* Restart CL37 autoneg */
  4817. bnx2x_restart_autoneg(phy, params, 0);
  4818. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4819. }
  4820. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4821. struct link_params *params,
  4822. struct link_vars *vars,
  4823. u32 gp_status)
  4824. {
  4825. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4826. vars->link_status |=
  4827. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4828. if (bnx2x_direct_parallel_detect_used(phy, params))
  4829. vars->link_status |=
  4830. LINK_STATUS_PARALLEL_DETECTION_USED;
  4831. }
  4832. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4833. struct link_params *params,
  4834. struct link_vars *vars,
  4835. u16 is_link_up,
  4836. u16 speed_mask,
  4837. u16 is_duplex)
  4838. {
  4839. struct bnx2x *bp = params->bp;
  4840. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4841. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4842. if (is_link_up) {
  4843. DP(NETIF_MSG_LINK, "phy link up\n");
  4844. vars->phy_link_up = 1;
  4845. vars->link_status |= LINK_STATUS_LINK_UP;
  4846. switch (speed_mask) {
  4847. case GP_STATUS_10M:
  4848. vars->line_speed = SPEED_10;
  4849. if (is_duplex == DUPLEX_FULL)
  4850. vars->link_status |= LINK_10TFD;
  4851. else
  4852. vars->link_status |= LINK_10THD;
  4853. break;
  4854. case GP_STATUS_100M:
  4855. vars->line_speed = SPEED_100;
  4856. if (is_duplex == DUPLEX_FULL)
  4857. vars->link_status |= LINK_100TXFD;
  4858. else
  4859. vars->link_status |= LINK_100TXHD;
  4860. break;
  4861. case GP_STATUS_1G:
  4862. case GP_STATUS_1G_KX:
  4863. vars->line_speed = SPEED_1000;
  4864. if (is_duplex == DUPLEX_FULL)
  4865. vars->link_status |= LINK_1000TFD;
  4866. else
  4867. vars->link_status |= LINK_1000THD;
  4868. break;
  4869. case GP_STATUS_2_5G:
  4870. vars->line_speed = SPEED_2500;
  4871. if (is_duplex == DUPLEX_FULL)
  4872. vars->link_status |= LINK_2500TFD;
  4873. else
  4874. vars->link_status |= LINK_2500THD;
  4875. break;
  4876. case GP_STATUS_5G:
  4877. case GP_STATUS_6G:
  4878. DP(NETIF_MSG_LINK,
  4879. "link speed unsupported gp_status 0x%x\n",
  4880. speed_mask);
  4881. return -EINVAL;
  4882. case GP_STATUS_10G_KX4:
  4883. case GP_STATUS_10G_HIG:
  4884. case GP_STATUS_10G_CX4:
  4885. case GP_STATUS_10G_KR:
  4886. case GP_STATUS_10G_SFI:
  4887. case GP_STATUS_10G_XFI:
  4888. vars->line_speed = SPEED_10000;
  4889. vars->link_status |= LINK_10GTFD;
  4890. break;
  4891. case GP_STATUS_20G_DXGXS:
  4892. case GP_STATUS_20G_KR2:
  4893. vars->line_speed = SPEED_20000;
  4894. vars->link_status |= LINK_20GTFD;
  4895. break;
  4896. default:
  4897. DP(NETIF_MSG_LINK,
  4898. "link speed unsupported gp_status 0x%x\n",
  4899. speed_mask);
  4900. return -EINVAL;
  4901. }
  4902. } else { /* link_down */
  4903. DP(NETIF_MSG_LINK, "phy link down\n");
  4904. vars->phy_link_up = 0;
  4905. vars->duplex = DUPLEX_FULL;
  4906. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4907. vars->mac_type = MAC_TYPE_NONE;
  4908. }
  4909. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4910. vars->phy_link_up, vars->line_speed);
  4911. return 0;
  4912. }
  4913. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4914. struct link_params *params,
  4915. struct link_vars *vars)
  4916. {
  4917. struct bnx2x *bp = params->bp;
  4918. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4919. int rc = 0;
  4920. /* Read gp_status */
  4921. CL22_RD_OVER_CL45(bp, phy,
  4922. MDIO_REG_BANK_GP_STATUS,
  4923. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4924. &gp_status);
  4925. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4926. duplex = DUPLEX_FULL;
  4927. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4928. link_up = 1;
  4929. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4930. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4931. gp_status, link_up, speed_mask);
  4932. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4933. duplex);
  4934. if (rc == -EINVAL)
  4935. return rc;
  4936. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4937. if (SINGLE_MEDIA_DIRECT(params)) {
  4938. vars->duplex = duplex;
  4939. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4940. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4941. bnx2x_xgxs_an_resolve(phy, params, vars,
  4942. gp_status);
  4943. }
  4944. } else { /* Link_down */
  4945. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4946. SINGLE_MEDIA_DIRECT(params)) {
  4947. /* Check signal is detected */
  4948. bnx2x_check_fallback_to_cl37(phy, params);
  4949. }
  4950. }
  4951. /* Read LP advertised speeds*/
  4952. if (SINGLE_MEDIA_DIRECT(params) &&
  4953. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4954. u16 val;
  4955. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4956. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4957. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4958. vars->link_status |=
  4959. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4960. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4961. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4962. vars->link_status |=
  4963. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4964. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4965. MDIO_OVER_1G_LP_UP1, &val);
  4966. if (val & MDIO_OVER_1G_UP1_2_5G)
  4967. vars->link_status |=
  4968. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4969. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4970. vars->link_status |=
  4971. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4972. }
  4973. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4974. vars->duplex, vars->flow_ctrl, vars->link_status);
  4975. return rc;
  4976. }
  4977. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4978. struct link_params *params,
  4979. struct link_vars *vars)
  4980. {
  4981. struct bnx2x *bp = params->bp;
  4982. u8 lane;
  4983. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4984. int rc = 0;
  4985. lane = bnx2x_get_warpcore_lane(phy, params);
  4986. /* Read gp_status */
  4987. if ((params->loopback_mode) &&
  4988. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4989. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4990. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4991. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4992. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4993. link_up &= 0x1;
  4994. } else if ((phy->req_line_speed > SPEED_10000) &&
  4995. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4996. u16 temp_link_up;
  4997. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4998. 1, &temp_link_up);
  4999. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5000. 1, &link_up);
  5001. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  5002. temp_link_up, link_up);
  5003. link_up &= (1<<2);
  5004. if (link_up)
  5005. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5006. } else {
  5007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5008. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5009. &gp_status1);
  5010. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  5011. /* Check for either KR, 1G, or AN up. */
  5012. link_up = ((gp_status1 >> 8) |
  5013. (gp_status1 >> 12) |
  5014. (gp_status1)) &
  5015. (1 << lane);
  5016. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  5017. u16 an_link;
  5018. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5019. MDIO_AN_REG_STATUS, &an_link);
  5020. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5021. MDIO_AN_REG_STATUS, &an_link);
  5022. link_up |= (an_link & (1<<2));
  5023. }
  5024. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  5025. u16 pd, gp_status4;
  5026. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  5027. /* Check Autoneg complete */
  5028. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5029. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  5030. &gp_status4);
  5031. if (gp_status4 & ((1<<12)<<lane))
  5032. vars->link_status |=
  5033. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5034. /* Check parallel detect used */
  5035. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5036. MDIO_WC_REG_PAR_DET_10G_STATUS,
  5037. &pd);
  5038. if (pd & (1<<15))
  5039. vars->link_status |=
  5040. LINK_STATUS_PARALLEL_DETECTION_USED;
  5041. }
  5042. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5043. vars->duplex = duplex;
  5044. }
  5045. }
  5046. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5047. SINGLE_MEDIA_DIRECT(params)) {
  5048. u16 val;
  5049. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5050. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5051. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5052. vars->link_status |=
  5053. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5054. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5055. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5056. vars->link_status |=
  5057. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5058. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5059. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5060. if (val & MDIO_OVER_1G_UP1_2_5G)
  5061. vars->link_status |=
  5062. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5063. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5064. vars->link_status |=
  5065. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5066. }
  5067. if (lane < 2) {
  5068. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5069. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5070. } else {
  5071. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5072. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5073. }
  5074. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5075. if ((lane & 1) == 0)
  5076. gp_speed <<= 8;
  5077. gp_speed &= 0x3f00;
  5078. link_up = !!link_up;
  5079. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5080. duplex);
  5081. /* In case of KR link down, start up the recovering procedure */
  5082. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5083. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5084. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5085. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5086. vars->duplex, vars->flow_ctrl, vars->link_status);
  5087. return rc;
  5088. }
  5089. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5090. {
  5091. struct bnx2x *bp = params->bp;
  5092. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5093. u16 lp_up2;
  5094. u16 tx_driver;
  5095. u16 bank;
  5096. /* Read precomp */
  5097. CL22_RD_OVER_CL45(bp, phy,
  5098. MDIO_REG_BANK_OVER_1G,
  5099. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5100. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5101. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5102. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5103. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5104. if (lp_up2 == 0)
  5105. return;
  5106. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5107. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5108. CL22_RD_OVER_CL45(bp, phy,
  5109. bank,
  5110. MDIO_TX0_TX_DRIVER, &tx_driver);
  5111. /* Replace tx_driver bits [15:12] */
  5112. if (lp_up2 !=
  5113. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5114. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5115. tx_driver |= lp_up2;
  5116. CL22_WR_OVER_CL45(bp, phy,
  5117. bank,
  5118. MDIO_TX0_TX_DRIVER, tx_driver);
  5119. }
  5120. }
  5121. }
  5122. static int bnx2x_emac_program(struct link_params *params,
  5123. struct link_vars *vars)
  5124. {
  5125. struct bnx2x *bp = params->bp;
  5126. u8 port = params->port;
  5127. u16 mode = 0;
  5128. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5129. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5130. EMAC_REG_EMAC_MODE,
  5131. (EMAC_MODE_25G_MODE |
  5132. EMAC_MODE_PORT_MII_10M |
  5133. EMAC_MODE_HALF_DUPLEX));
  5134. switch (vars->line_speed) {
  5135. case SPEED_10:
  5136. mode |= EMAC_MODE_PORT_MII_10M;
  5137. break;
  5138. case SPEED_100:
  5139. mode |= EMAC_MODE_PORT_MII;
  5140. break;
  5141. case SPEED_1000:
  5142. mode |= EMAC_MODE_PORT_GMII;
  5143. break;
  5144. case SPEED_2500:
  5145. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5146. break;
  5147. default:
  5148. /* 10G not valid for EMAC */
  5149. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5150. vars->line_speed);
  5151. return -EINVAL;
  5152. }
  5153. if (vars->duplex == DUPLEX_HALF)
  5154. mode |= EMAC_MODE_HALF_DUPLEX;
  5155. bnx2x_bits_en(bp,
  5156. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5157. mode);
  5158. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5159. return 0;
  5160. }
  5161. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5162. struct link_params *params)
  5163. {
  5164. u16 bank, i = 0;
  5165. struct bnx2x *bp = params->bp;
  5166. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5167. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5168. CL22_WR_OVER_CL45(bp, phy,
  5169. bank,
  5170. MDIO_RX0_RX_EQ_BOOST,
  5171. phy->rx_preemphasis[i]);
  5172. }
  5173. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5174. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5175. CL22_WR_OVER_CL45(bp, phy,
  5176. bank,
  5177. MDIO_TX0_TX_DRIVER,
  5178. phy->tx_preemphasis[i]);
  5179. }
  5180. }
  5181. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5182. struct link_params *params,
  5183. struct link_vars *vars)
  5184. {
  5185. struct bnx2x *bp = params->bp;
  5186. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5187. (params->loopback_mode == LOOPBACK_XGXS));
  5188. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5189. if (SINGLE_MEDIA_DIRECT(params) &&
  5190. (params->feature_config_flags &
  5191. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5192. bnx2x_set_preemphasis(phy, params);
  5193. /* Forced speed requested? */
  5194. if (vars->line_speed != SPEED_AUTO_NEG ||
  5195. (SINGLE_MEDIA_DIRECT(params) &&
  5196. params->loopback_mode == LOOPBACK_EXT)) {
  5197. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5198. /* Disable autoneg */
  5199. bnx2x_set_autoneg(phy, params, vars, 0);
  5200. /* Program speed and duplex */
  5201. bnx2x_program_serdes(phy, params, vars);
  5202. } else { /* AN_mode */
  5203. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5204. /* AN enabled */
  5205. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5206. /* Program duplex & pause advertisement (for aneg) */
  5207. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5208. vars->ieee_fc);
  5209. /* Enable autoneg */
  5210. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5211. /* Enable and restart AN */
  5212. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5213. }
  5214. } else { /* SGMII mode */
  5215. DP(NETIF_MSG_LINK, "SGMII\n");
  5216. bnx2x_initialize_sgmii_process(phy, params, vars);
  5217. }
  5218. }
  5219. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5220. struct link_params *params,
  5221. struct link_vars *vars)
  5222. {
  5223. int rc;
  5224. vars->phy_flags |= PHY_XGXS_FLAG;
  5225. if ((phy->req_line_speed &&
  5226. ((phy->req_line_speed == SPEED_100) ||
  5227. (phy->req_line_speed == SPEED_10))) ||
  5228. (!phy->req_line_speed &&
  5229. (phy->speed_cap_mask >=
  5230. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5231. (phy->speed_cap_mask <
  5232. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5233. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5234. vars->phy_flags |= PHY_SGMII_FLAG;
  5235. else
  5236. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5237. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5238. bnx2x_set_aer_mmd(params, phy);
  5239. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5240. bnx2x_set_master_ln(params, phy);
  5241. rc = bnx2x_reset_unicore(params, phy, 0);
  5242. /* Reset the SerDes and wait for reset bit return low */
  5243. if (rc)
  5244. return rc;
  5245. bnx2x_set_aer_mmd(params, phy);
  5246. /* Setting the masterLn_def again after the reset */
  5247. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5248. bnx2x_set_master_ln(params, phy);
  5249. bnx2x_set_swap_lanes(params, phy);
  5250. }
  5251. return rc;
  5252. }
  5253. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5254. struct bnx2x_phy *phy,
  5255. struct link_params *params)
  5256. {
  5257. u16 cnt, ctrl;
  5258. /* Wait for soft reset to get cleared up to 1 sec */
  5259. for (cnt = 0; cnt < 1000; cnt++) {
  5260. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5261. bnx2x_cl22_read(bp, phy,
  5262. MDIO_PMA_REG_CTRL, &ctrl);
  5263. else
  5264. bnx2x_cl45_read(bp, phy,
  5265. MDIO_PMA_DEVAD,
  5266. MDIO_PMA_REG_CTRL, &ctrl);
  5267. if (!(ctrl & (1<<15)))
  5268. break;
  5269. usleep_range(1000, 2000);
  5270. }
  5271. if (cnt == 1000)
  5272. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5273. " Port %d\n",
  5274. params->port);
  5275. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5276. return cnt;
  5277. }
  5278. static void bnx2x_link_int_enable(struct link_params *params)
  5279. {
  5280. u8 port = params->port;
  5281. u32 mask;
  5282. struct bnx2x *bp = params->bp;
  5283. /* Setting the status to report on link up for either XGXS or SerDes */
  5284. if (CHIP_IS_E3(bp)) {
  5285. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5286. if (!(SINGLE_MEDIA_DIRECT(params)))
  5287. mask |= NIG_MASK_MI_INT;
  5288. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5289. mask = (NIG_MASK_XGXS0_LINK10G |
  5290. NIG_MASK_XGXS0_LINK_STATUS);
  5291. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5292. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5293. params->phy[INT_PHY].type !=
  5294. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5295. mask |= NIG_MASK_MI_INT;
  5296. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5297. }
  5298. } else { /* SerDes */
  5299. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5300. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5301. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5302. params->phy[INT_PHY].type !=
  5303. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5304. mask |= NIG_MASK_MI_INT;
  5305. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5306. }
  5307. }
  5308. bnx2x_bits_en(bp,
  5309. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5310. mask);
  5311. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5312. (params->switch_cfg == SWITCH_CFG_10G),
  5313. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5314. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5315. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5316. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5317. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5318. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5319. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5320. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5321. }
  5322. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5323. u8 exp_mi_int)
  5324. {
  5325. u32 latch_status = 0;
  5326. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5327. * status register. Link down indication is high-active-signal,
  5328. * so in this case we need to write the status to clear the XOR
  5329. */
  5330. /* Read Latched signals */
  5331. latch_status = REG_RD(bp,
  5332. NIG_REG_LATCH_STATUS_0 + port*8);
  5333. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5334. /* Handle only those with latched-signal=up.*/
  5335. if (exp_mi_int)
  5336. bnx2x_bits_en(bp,
  5337. NIG_REG_STATUS_INTERRUPT_PORT0
  5338. + port*4,
  5339. NIG_STATUS_EMAC0_MI_INT);
  5340. else
  5341. bnx2x_bits_dis(bp,
  5342. NIG_REG_STATUS_INTERRUPT_PORT0
  5343. + port*4,
  5344. NIG_STATUS_EMAC0_MI_INT);
  5345. if (latch_status & 1) {
  5346. /* For all latched-signal=up : Re-Arm Latch signals */
  5347. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5348. (latch_status & 0xfffe) | (latch_status & 1));
  5349. }
  5350. /* For all latched-signal=up,Write original_signal to status */
  5351. }
  5352. static void bnx2x_link_int_ack(struct link_params *params,
  5353. struct link_vars *vars, u8 is_10g_plus)
  5354. {
  5355. struct bnx2x *bp = params->bp;
  5356. u8 port = params->port;
  5357. u32 mask;
  5358. /* First reset all status we assume only one line will be
  5359. * change at a time
  5360. */
  5361. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5362. (NIG_STATUS_XGXS0_LINK10G |
  5363. NIG_STATUS_XGXS0_LINK_STATUS |
  5364. NIG_STATUS_SERDES0_LINK_STATUS));
  5365. if (vars->phy_link_up) {
  5366. if (USES_WARPCORE(bp))
  5367. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5368. else {
  5369. if (is_10g_plus)
  5370. mask = NIG_STATUS_XGXS0_LINK10G;
  5371. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5372. /* Disable the link interrupt by writing 1 to
  5373. * the relevant lane in the status register
  5374. */
  5375. u32 ser_lane =
  5376. ((params->lane_config &
  5377. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5378. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5379. mask = ((1 << ser_lane) <<
  5380. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5381. } else
  5382. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5383. }
  5384. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5385. mask);
  5386. bnx2x_bits_en(bp,
  5387. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5388. mask);
  5389. }
  5390. }
  5391. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5392. {
  5393. u8 *str_ptr = str;
  5394. u32 mask = 0xf0000000;
  5395. u8 shift = 8*4;
  5396. u8 digit;
  5397. u8 remove_leading_zeros = 1;
  5398. if (*len < 10) {
  5399. /* Need more than 10chars for this format */
  5400. *str_ptr = '\0';
  5401. (*len)--;
  5402. return -EINVAL;
  5403. }
  5404. while (shift > 0) {
  5405. shift -= 4;
  5406. digit = ((num & mask) >> shift);
  5407. if (digit == 0 && remove_leading_zeros) {
  5408. *str_ptr = '0';
  5409. } else {
  5410. if (digit < 0xa)
  5411. *str_ptr = digit + '0';
  5412. else
  5413. *str_ptr = digit - 0xa + 'a';
  5414. remove_leading_zeros = 0;
  5415. str_ptr++;
  5416. (*len)--;
  5417. }
  5418. mask = mask >> 4;
  5419. if (shift == 4*4) {
  5420. if (remove_leading_zeros) {
  5421. str_ptr++;
  5422. (*len)--;
  5423. }
  5424. *str_ptr = '.';
  5425. str_ptr++;
  5426. (*len)--;
  5427. remove_leading_zeros = 1;
  5428. }
  5429. }
  5430. if (remove_leading_zeros)
  5431. (*len)--;
  5432. return 0;
  5433. }
  5434. static int bnx2x_3_seq_format_ver(u32 num, u8 *str, u16 *len)
  5435. {
  5436. u8 *str_ptr = str;
  5437. u32 mask = 0x00f00000;
  5438. u8 shift = 8*3;
  5439. u8 digit;
  5440. u8 remove_leading_zeros = 1;
  5441. if (*len < 10) {
  5442. /* Need more than 10chars for this format */
  5443. *str_ptr = '\0';
  5444. (*len)--;
  5445. return -EINVAL;
  5446. }
  5447. while (shift > 0) {
  5448. shift -= 4;
  5449. digit = ((num & mask) >> shift);
  5450. if (digit == 0 && remove_leading_zeros) {
  5451. *str_ptr = '0';
  5452. } else {
  5453. if (digit < 0xa)
  5454. *str_ptr = digit + '0';
  5455. else
  5456. *str_ptr = digit - 0xa + 'a';
  5457. remove_leading_zeros = 0;
  5458. str_ptr++;
  5459. (*len)--;
  5460. }
  5461. mask = mask >> 4;
  5462. if ((shift == 4*4) || (shift == 4*2)) {
  5463. if (remove_leading_zeros) {
  5464. str_ptr++;
  5465. (*len)--;
  5466. }
  5467. *str_ptr = '.';
  5468. str_ptr++;
  5469. (*len)--;
  5470. remove_leading_zeros = 1;
  5471. }
  5472. }
  5473. if (remove_leading_zeros)
  5474. (*len)--;
  5475. return 0;
  5476. }
  5477. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5478. {
  5479. str[0] = '\0';
  5480. (*len)--;
  5481. return 0;
  5482. }
  5483. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5484. u16 len)
  5485. {
  5486. struct bnx2x *bp;
  5487. u32 spirom_ver = 0;
  5488. int status = 0;
  5489. u8 *ver_p = version;
  5490. u16 remain_len = len;
  5491. if (version == NULL || params == NULL)
  5492. return -EINVAL;
  5493. bp = params->bp;
  5494. /* Extract first external phy*/
  5495. version[0] = '\0';
  5496. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5497. if (params->phy[EXT_PHY1].format_fw_ver) {
  5498. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5499. ver_p,
  5500. &remain_len);
  5501. ver_p += (len - remain_len);
  5502. }
  5503. if ((params->num_phys == MAX_PHYS) &&
  5504. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5505. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5506. if (params->phy[EXT_PHY2].format_fw_ver) {
  5507. *ver_p = '/';
  5508. ver_p++;
  5509. remain_len--;
  5510. status |= params->phy[EXT_PHY2].format_fw_ver(
  5511. spirom_ver,
  5512. ver_p,
  5513. &remain_len);
  5514. ver_p = version + (len - remain_len);
  5515. }
  5516. }
  5517. *ver_p = '\0';
  5518. return status;
  5519. }
  5520. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5521. struct link_params *params)
  5522. {
  5523. u8 port = params->port;
  5524. struct bnx2x *bp = params->bp;
  5525. if (phy->req_line_speed != SPEED_1000) {
  5526. u32 md_devad = 0;
  5527. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5528. if (!CHIP_IS_E3(bp)) {
  5529. /* Change the uni_phy_addr in the nig */
  5530. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5531. port*0x18));
  5532. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5533. 0x5);
  5534. }
  5535. bnx2x_cl45_write(bp, phy,
  5536. 5,
  5537. (MDIO_REG_BANK_AER_BLOCK +
  5538. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5539. 0x2800);
  5540. bnx2x_cl45_write(bp, phy,
  5541. 5,
  5542. (MDIO_REG_BANK_CL73_IEEEB0 +
  5543. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5544. 0x6041);
  5545. msleep(200);
  5546. /* Set aer mmd back */
  5547. bnx2x_set_aer_mmd(params, phy);
  5548. if (!CHIP_IS_E3(bp)) {
  5549. /* And md_devad */
  5550. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5551. md_devad);
  5552. }
  5553. } else {
  5554. u16 mii_ctrl;
  5555. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5556. bnx2x_cl45_read(bp, phy, 5,
  5557. (MDIO_REG_BANK_COMBO_IEEE0 +
  5558. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5559. &mii_ctrl);
  5560. bnx2x_cl45_write(bp, phy, 5,
  5561. (MDIO_REG_BANK_COMBO_IEEE0 +
  5562. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5563. mii_ctrl |
  5564. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5565. }
  5566. }
  5567. int bnx2x_set_led(struct link_params *params,
  5568. struct link_vars *vars, u8 mode, u32 speed)
  5569. {
  5570. u8 port = params->port;
  5571. u16 hw_led_mode = params->hw_led_mode;
  5572. int rc = 0;
  5573. u8 phy_idx;
  5574. u32 tmp;
  5575. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5576. struct bnx2x *bp = params->bp;
  5577. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5578. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5579. speed, hw_led_mode);
  5580. /* In case */
  5581. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5582. if (params->phy[phy_idx].set_link_led) {
  5583. params->phy[phy_idx].set_link_led(
  5584. &params->phy[phy_idx], params, mode);
  5585. }
  5586. }
  5587. switch (mode) {
  5588. case LED_MODE_FRONT_PANEL_OFF:
  5589. case LED_MODE_OFF:
  5590. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5591. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5592. SHARED_HW_CFG_LED_MAC1);
  5593. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5594. if (params->phy[EXT_PHY1].type ==
  5595. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5596. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5597. EMAC_LED_100MB_OVERRIDE |
  5598. EMAC_LED_10MB_OVERRIDE);
  5599. else
  5600. tmp |= EMAC_LED_OVERRIDE;
  5601. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5602. break;
  5603. case LED_MODE_OPER:
  5604. /* For all other phys, OPER mode is same as ON, so in case
  5605. * link is down, do nothing
  5606. */
  5607. if (!vars->link_up)
  5608. break;
  5609. case LED_MODE_ON:
  5610. if (((params->phy[EXT_PHY1].type ==
  5611. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5612. (params->phy[EXT_PHY1].type ==
  5613. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5614. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5615. /* This is a work-around for E2+8727 Configurations */
  5616. if (mode == LED_MODE_ON ||
  5617. speed == SPEED_10000){
  5618. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5619. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5620. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5621. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5622. (tmp | EMAC_LED_OVERRIDE));
  5623. /* Return here without enabling traffic
  5624. * LED blink and setting rate in ON mode.
  5625. * In oper mode, enabling LED blink
  5626. * and setting rate is needed.
  5627. */
  5628. if (mode == LED_MODE_ON)
  5629. return rc;
  5630. }
  5631. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5632. /* This is a work-around for HW issue found when link
  5633. * is up in CL73
  5634. */
  5635. if ((!CHIP_IS_E3(bp)) ||
  5636. (CHIP_IS_E3(bp) &&
  5637. mode == LED_MODE_ON))
  5638. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5639. if (CHIP_IS_E1x(bp) ||
  5640. CHIP_IS_E2(bp) ||
  5641. (mode == LED_MODE_ON))
  5642. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5643. else
  5644. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5645. hw_led_mode);
  5646. } else if ((params->phy[EXT_PHY1].type ==
  5647. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5648. (mode == LED_MODE_ON)) {
  5649. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5650. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5651. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5652. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5653. /* Break here; otherwise, it'll disable the
  5654. * intended override.
  5655. */
  5656. break;
  5657. } else {
  5658. u32 nig_led_mode = ((params->hw_led_mode <<
  5659. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5660. SHARED_HW_CFG_LED_EXTPHY2) ?
  5661. (SHARED_HW_CFG_LED_PHY1 >>
  5662. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5663. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5664. nig_led_mode);
  5665. }
  5666. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5667. /* Set blinking rate to ~15.9Hz */
  5668. if (CHIP_IS_E3(bp))
  5669. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5670. LED_BLINK_RATE_VAL_E3);
  5671. else
  5672. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5673. LED_BLINK_RATE_VAL_E1X_E2);
  5674. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5675. port*4, 1);
  5676. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5677. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5678. (tmp & (~EMAC_LED_OVERRIDE)));
  5679. if (CHIP_IS_E1(bp) &&
  5680. ((speed == SPEED_2500) ||
  5681. (speed == SPEED_1000) ||
  5682. (speed == SPEED_100) ||
  5683. (speed == SPEED_10))) {
  5684. /* For speeds less than 10G LED scheme is different */
  5685. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5686. + port*4, 1);
  5687. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5688. port*4, 0);
  5689. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5690. port*4, 1);
  5691. }
  5692. break;
  5693. default:
  5694. rc = -EINVAL;
  5695. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5696. mode);
  5697. break;
  5698. }
  5699. return rc;
  5700. }
  5701. /* This function comes to reflect the actual link state read DIRECTLY from the
  5702. * HW
  5703. */
  5704. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5705. u8 is_serdes)
  5706. {
  5707. struct bnx2x *bp = params->bp;
  5708. u16 gp_status = 0, phy_index = 0;
  5709. u8 ext_phy_link_up = 0, serdes_phy_type;
  5710. struct link_vars temp_vars;
  5711. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5712. if (CHIP_IS_E3(bp)) {
  5713. u16 link_up;
  5714. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5715. > SPEED_10000) {
  5716. /* Check 20G link */
  5717. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5718. 1, &link_up);
  5719. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5720. 1, &link_up);
  5721. link_up &= (1<<2);
  5722. } else {
  5723. /* Check 10G link and below*/
  5724. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5725. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5726. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5727. &gp_status);
  5728. gp_status = ((gp_status >> 8) & 0xf) |
  5729. ((gp_status >> 12) & 0xf);
  5730. link_up = gp_status & (1 << lane);
  5731. }
  5732. if (!link_up)
  5733. return -ESRCH;
  5734. } else {
  5735. CL22_RD_OVER_CL45(bp, int_phy,
  5736. MDIO_REG_BANK_GP_STATUS,
  5737. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5738. &gp_status);
  5739. /* Link is up only if both local phy and external phy are up */
  5740. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5741. return -ESRCH;
  5742. }
  5743. /* In XGXS loopback mode, do not check external PHY */
  5744. if (params->loopback_mode == LOOPBACK_XGXS)
  5745. return 0;
  5746. switch (params->num_phys) {
  5747. case 1:
  5748. /* No external PHY */
  5749. return 0;
  5750. case 2:
  5751. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5752. &params->phy[EXT_PHY1],
  5753. params, &temp_vars);
  5754. break;
  5755. case 3: /* Dual Media */
  5756. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5757. phy_index++) {
  5758. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5759. ETH_PHY_SFPP_10G_FIBER) ||
  5760. (params->phy[phy_index].media_type ==
  5761. ETH_PHY_SFP_1G_FIBER) ||
  5762. (params->phy[phy_index].media_type ==
  5763. ETH_PHY_XFP_FIBER) ||
  5764. (params->phy[phy_index].media_type ==
  5765. ETH_PHY_DA_TWINAX));
  5766. if (is_serdes != serdes_phy_type)
  5767. continue;
  5768. if (params->phy[phy_index].read_status) {
  5769. ext_phy_link_up |=
  5770. params->phy[phy_index].read_status(
  5771. &params->phy[phy_index],
  5772. params, &temp_vars);
  5773. }
  5774. }
  5775. break;
  5776. }
  5777. if (ext_phy_link_up)
  5778. return 0;
  5779. return -ESRCH;
  5780. }
  5781. static int bnx2x_link_initialize(struct link_params *params,
  5782. struct link_vars *vars)
  5783. {
  5784. u8 phy_index, non_ext_phy;
  5785. struct bnx2x *bp = params->bp;
  5786. /* In case of external phy existence, the line speed would be the
  5787. * line speed linked up by the external phy. In case it is direct
  5788. * only, then the line_speed during initialization will be
  5789. * equal to the req_line_speed
  5790. */
  5791. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5792. /* Initialize the internal phy in case this is a direct board
  5793. * (no external phys), or this board has external phy which requires
  5794. * to first.
  5795. */
  5796. if (!USES_WARPCORE(bp))
  5797. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5798. /* init ext phy and enable link state int */
  5799. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5800. (params->loopback_mode == LOOPBACK_XGXS));
  5801. if (non_ext_phy ||
  5802. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5803. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5804. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5805. if (vars->line_speed == SPEED_AUTO_NEG &&
  5806. (CHIP_IS_E1x(bp) ||
  5807. CHIP_IS_E2(bp)))
  5808. bnx2x_set_parallel_detection(phy, params);
  5809. if (params->phy[INT_PHY].config_init)
  5810. params->phy[INT_PHY].config_init(phy, params, vars);
  5811. }
  5812. /* Re-read this value in case it was changed inside config_init due to
  5813. * limitations of optic module
  5814. */
  5815. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5816. /* Init external phy*/
  5817. if (non_ext_phy) {
  5818. if (params->phy[INT_PHY].supported &
  5819. SUPPORTED_FIBRE)
  5820. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5821. } else {
  5822. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5823. phy_index++) {
  5824. /* No need to initialize second phy in case of first
  5825. * phy only selection. In case of second phy, we do
  5826. * need to initialize the first phy, since they are
  5827. * connected.
  5828. */
  5829. if (params->phy[phy_index].supported &
  5830. SUPPORTED_FIBRE)
  5831. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5832. if (phy_index == EXT_PHY2 &&
  5833. (bnx2x_phy_selection(params) ==
  5834. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5835. DP(NETIF_MSG_LINK,
  5836. "Not initializing second phy\n");
  5837. continue;
  5838. }
  5839. params->phy[phy_index].config_init(
  5840. &params->phy[phy_index],
  5841. params, vars);
  5842. }
  5843. }
  5844. /* Reset the interrupt indication after phy was initialized */
  5845. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5846. params->port*4,
  5847. (NIG_STATUS_XGXS0_LINK10G |
  5848. NIG_STATUS_XGXS0_LINK_STATUS |
  5849. NIG_STATUS_SERDES0_LINK_STATUS |
  5850. NIG_MASK_MI_INT));
  5851. return 0;
  5852. }
  5853. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5854. struct link_params *params)
  5855. {
  5856. /* Reset the SerDes/XGXS */
  5857. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5858. (0x1ff << (params->port*16)));
  5859. }
  5860. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5861. struct link_params *params)
  5862. {
  5863. struct bnx2x *bp = params->bp;
  5864. u8 gpio_port;
  5865. /* HW reset */
  5866. if (CHIP_IS_E2(bp))
  5867. gpio_port = BP_PATH(bp);
  5868. else
  5869. gpio_port = params->port;
  5870. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5871. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5872. gpio_port);
  5873. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5874. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5875. gpio_port);
  5876. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5877. }
  5878. static int bnx2x_update_link_down(struct link_params *params,
  5879. struct link_vars *vars)
  5880. {
  5881. struct bnx2x *bp = params->bp;
  5882. u8 port = params->port;
  5883. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5884. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5885. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5886. /* Indicate no mac active */
  5887. vars->mac_type = MAC_TYPE_NONE;
  5888. /* Update shared memory */
  5889. vars->link_status &= ~LINK_UPDATE_MASK;
  5890. vars->line_speed = 0;
  5891. bnx2x_update_mng(params, vars->link_status);
  5892. /* Activate nig drain */
  5893. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5894. /* Disable emac */
  5895. if (!CHIP_IS_E3(bp))
  5896. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5897. usleep_range(10000, 20000);
  5898. /* Reset BigMac/Xmac */
  5899. if (CHIP_IS_E1x(bp) ||
  5900. CHIP_IS_E2(bp))
  5901. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5902. if (CHIP_IS_E3(bp)) {
  5903. /* Prevent LPI Generation by chip */
  5904. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5905. 0);
  5906. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5907. 0);
  5908. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5909. SHMEM_EEE_ACTIVE_BIT);
  5910. bnx2x_update_mng_eee(params, vars->eee_status);
  5911. bnx2x_set_xmac_rxtx(params, 0);
  5912. bnx2x_set_umac_rxtx(params, 0);
  5913. }
  5914. return 0;
  5915. }
  5916. static int bnx2x_update_link_up(struct link_params *params,
  5917. struct link_vars *vars,
  5918. u8 link_10g)
  5919. {
  5920. struct bnx2x *bp = params->bp;
  5921. u8 phy_idx, port = params->port;
  5922. int rc = 0;
  5923. vars->link_status |= (LINK_STATUS_LINK_UP |
  5924. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5925. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5926. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5927. vars->link_status |=
  5928. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5929. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5930. vars->link_status |=
  5931. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5932. if (USES_WARPCORE(bp)) {
  5933. if (link_10g) {
  5934. if (bnx2x_xmac_enable(params, vars, 0) ==
  5935. -ESRCH) {
  5936. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5937. vars->link_up = 0;
  5938. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5939. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5940. }
  5941. } else
  5942. bnx2x_umac_enable(params, vars, 0);
  5943. bnx2x_set_led(params, vars,
  5944. LED_MODE_OPER, vars->line_speed);
  5945. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5946. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5947. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5948. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5949. (params->port << 2), 1);
  5950. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5951. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5952. (params->port << 2), 0xfc20);
  5953. }
  5954. }
  5955. if ((CHIP_IS_E1x(bp) ||
  5956. CHIP_IS_E2(bp))) {
  5957. if (link_10g) {
  5958. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5959. -ESRCH) {
  5960. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5961. vars->link_up = 0;
  5962. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5963. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5964. }
  5965. bnx2x_set_led(params, vars,
  5966. LED_MODE_OPER, SPEED_10000);
  5967. } else {
  5968. rc = bnx2x_emac_program(params, vars);
  5969. bnx2x_emac_enable(params, vars, 0);
  5970. /* AN complete? */
  5971. if ((vars->link_status &
  5972. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5973. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5974. SINGLE_MEDIA_DIRECT(params))
  5975. bnx2x_set_gmii_tx_driver(params);
  5976. }
  5977. }
  5978. /* PBF - link up */
  5979. if (CHIP_IS_E1x(bp))
  5980. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5981. vars->line_speed);
  5982. /* Disable drain */
  5983. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5984. /* Update shared memory */
  5985. bnx2x_update_mng(params, vars->link_status);
  5986. bnx2x_update_mng_eee(params, vars->eee_status);
  5987. /* Check remote fault */
  5988. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5989. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5990. bnx2x_check_half_open_conn(params, vars, 0);
  5991. break;
  5992. }
  5993. }
  5994. msleep(20);
  5995. return rc;
  5996. }
  5997. static void bnx2x_chng_link_count(struct link_params *params, bool clear)
  5998. {
  5999. struct bnx2x *bp = params->bp;
  6000. u32 addr, val;
  6001. /* Verify the link_change_count is supported by the MFW */
  6002. if (!(SHMEM2_HAS(bp, link_change_count)))
  6003. return;
  6004. addr = params->shmem2_base +
  6005. offsetof(struct shmem2_region, link_change_count[params->port]);
  6006. if (clear)
  6007. val = 0;
  6008. else
  6009. val = REG_RD(bp, addr) + 1;
  6010. REG_WR(bp, addr, val);
  6011. }
  6012. /* The bnx2x_link_update function should be called upon link
  6013. * interrupt.
  6014. * Link is considered up as follows:
  6015. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  6016. * to be up
  6017. * - SINGLE_MEDIA - The link between the 577xx and the external
  6018. * phy (XGXS) need to up as well as the external link of the
  6019. * phy (PHY_EXT1)
  6020. * - DUAL_MEDIA - The link between the 577xx and the first
  6021. * external phy needs to be up, and at least one of the 2
  6022. * external phy link must be up.
  6023. */
  6024. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  6025. {
  6026. struct bnx2x *bp = params->bp;
  6027. struct link_vars phy_vars[MAX_PHYS];
  6028. u8 port = params->port;
  6029. u8 link_10g_plus, phy_index;
  6030. u32 prev_link_status = vars->link_status;
  6031. u8 ext_phy_link_up = 0, cur_link_up;
  6032. int rc = 0;
  6033. u8 is_mi_int = 0;
  6034. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  6035. u8 active_external_phy = INT_PHY;
  6036. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  6037. vars->link_status &= ~LINK_UPDATE_MASK;
  6038. for (phy_index = INT_PHY; phy_index < params->num_phys;
  6039. phy_index++) {
  6040. phy_vars[phy_index].flow_ctrl = 0;
  6041. phy_vars[phy_index].link_status = 0;
  6042. phy_vars[phy_index].line_speed = 0;
  6043. phy_vars[phy_index].duplex = DUPLEX_FULL;
  6044. phy_vars[phy_index].phy_link_up = 0;
  6045. phy_vars[phy_index].link_up = 0;
  6046. phy_vars[phy_index].fault_detected = 0;
  6047. /* different consideration, since vars holds inner state */
  6048. phy_vars[phy_index].eee_status = vars->eee_status;
  6049. }
  6050. if (USES_WARPCORE(bp))
  6051. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  6052. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  6053. port, (vars->phy_flags & PHY_XGXS_FLAG),
  6054. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  6055. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  6056. port*0x18) > 0);
  6057. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  6058. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  6059. is_mi_int,
  6060. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  6061. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  6062. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  6063. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  6064. /* Disable emac */
  6065. if (!CHIP_IS_E3(bp))
  6066. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6067. /* Step 1:
  6068. * Check external link change only for external phys, and apply
  6069. * priority selection between them in case the link on both phys
  6070. * is up. Note that instead of the common vars, a temporary
  6071. * vars argument is used since each phy may have different link/
  6072. * speed/duplex result
  6073. */
  6074. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6075. phy_index++) {
  6076. struct bnx2x_phy *phy = &params->phy[phy_index];
  6077. if (!phy->read_status)
  6078. continue;
  6079. /* Read link status and params of this ext phy */
  6080. cur_link_up = phy->read_status(phy, params,
  6081. &phy_vars[phy_index]);
  6082. if (cur_link_up) {
  6083. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  6084. phy_index);
  6085. } else {
  6086. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  6087. phy_index);
  6088. continue;
  6089. }
  6090. if (!ext_phy_link_up) {
  6091. ext_phy_link_up = 1;
  6092. active_external_phy = phy_index;
  6093. } else {
  6094. switch (bnx2x_phy_selection(params)) {
  6095. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  6096. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6097. /* In this option, the first PHY makes sure to pass the
  6098. * traffic through itself only.
  6099. * Its not clear how to reset the link on the second phy
  6100. */
  6101. active_external_phy = EXT_PHY1;
  6102. break;
  6103. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6104. /* In this option, the first PHY makes sure to pass the
  6105. * traffic through the second PHY.
  6106. */
  6107. active_external_phy = EXT_PHY2;
  6108. break;
  6109. default:
  6110. /* Link indication on both PHYs with the following cases
  6111. * is invalid:
  6112. * - FIRST_PHY means that second phy wasn't initialized,
  6113. * hence its link is expected to be down
  6114. * - SECOND_PHY means that first phy should not be able
  6115. * to link up by itself (using configuration)
  6116. * - DEFAULT should be overridden during initialization
  6117. */
  6118. DP(NETIF_MSG_LINK, "Invalid link indication"
  6119. "mpc=0x%x. DISABLING LINK !!!\n",
  6120. params->multi_phy_config);
  6121. ext_phy_link_up = 0;
  6122. break;
  6123. }
  6124. }
  6125. }
  6126. prev_line_speed = vars->line_speed;
  6127. /* Step 2:
  6128. * Read the status of the internal phy. In case of
  6129. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6130. * otherwise this is the link between the 577xx and the first
  6131. * external phy
  6132. */
  6133. if (params->phy[INT_PHY].read_status)
  6134. params->phy[INT_PHY].read_status(
  6135. &params->phy[INT_PHY],
  6136. params, vars);
  6137. /* The INT_PHY flow control reside in the vars. This include the
  6138. * case where the speed or flow control are not set to AUTO.
  6139. * Otherwise, the active external phy flow control result is set
  6140. * to the vars. The ext_phy_line_speed is needed to check if the
  6141. * speed is different between the internal phy and external phy.
  6142. * This case may be result of intermediate link speed change.
  6143. */
  6144. if (active_external_phy > INT_PHY) {
  6145. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6146. /* Link speed is taken from the XGXS. AN and FC result from
  6147. * the external phy.
  6148. */
  6149. vars->link_status |= phy_vars[active_external_phy].link_status;
  6150. /* if active_external_phy is first PHY and link is up - disable
  6151. * disable TX on second external PHY
  6152. */
  6153. if (active_external_phy == EXT_PHY1) {
  6154. if (params->phy[EXT_PHY2].phy_specific_func) {
  6155. DP(NETIF_MSG_LINK,
  6156. "Disabling TX on EXT_PHY2\n");
  6157. params->phy[EXT_PHY2].phy_specific_func(
  6158. &params->phy[EXT_PHY2],
  6159. params, DISABLE_TX);
  6160. }
  6161. }
  6162. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6163. vars->duplex = phy_vars[active_external_phy].duplex;
  6164. if (params->phy[active_external_phy].supported &
  6165. SUPPORTED_FIBRE)
  6166. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6167. else
  6168. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6169. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6170. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6171. active_external_phy);
  6172. }
  6173. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6174. phy_index++) {
  6175. if (params->phy[phy_index].flags &
  6176. FLAGS_REARM_LATCH_SIGNAL) {
  6177. bnx2x_rearm_latch_signal(bp, port,
  6178. phy_index ==
  6179. active_external_phy);
  6180. break;
  6181. }
  6182. }
  6183. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6184. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6185. vars->link_status, ext_phy_line_speed);
  6186. /* Upon link speed change set the NIG into drain mode. Comes to
  6187. * deals with possible FIFO glitch due to clk change when speed
  6188. * is decreased without link down indicator
  6189. */
  6190. if (vars->phy_link_up) {
  6191. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6192. (ext_phy_line_speed != vars->line_speed)) {
  6193. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6194. " different than the external"
  6195. " link speed %d\n", vars->line_speed,
  6196. ext_phy_line_speed);
  6197. vars->phy_link_up = 0;
  6198. } else if (prev_line_speed != vars->line_speed) {
  6199. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6200. 0);
  6201. usleep_range(1000, 2000);
  6202. }
  6203. }
  6204. /* Anything 10 and over uses the bmac */
  6205. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6206. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6207. /* In case external phy link is up, and internal link is down
  6208. * (not initialized yet probably after link initialization, it
  6209. * needs to be initialized.
  6210. * Note that after link down-up as result of cable plug, the xgxs
  6211. * link would probably become up again without the need
  6212. * initialize it
  6213. */
  6214. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6215. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6216. " init_preceding = %d\n", ext_phy_link_up,
  6217. vars->phy_link_up,
  6218. params->phy[EXT_PHY1].flags &
  6219. FLAGS_INIT_XGXS_FIRST);
  6220. if (!(params->phy[EXT_PHY1].flags &
  6221. FLAGS_INIT_XGXS_FIRST)
  6222. && ext_phy_link_up && !vars->phy_link_up) {
  6223. vars->line_speed = ext_phy_line_speed;
  6224. if (vars->line_speed < SPEED_1000)
  6225. vars->phy_flags |= PHY_SGMII_FLAG;
  6226. else
  6227. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6228. if (params->phy[INT_PHY].config_init)
  6229. params->phy[INT_PHY].config_init(
  6230. &params->phy[INT_PHY], params,
  6231. vars);
  6232. }
  6233. }
  6234. /* Link is up only if both local phy and external phy (in case of
  6235. * non-direct board) are up and no fault detected on active PHY.
  6236. */
  6237. vars->link_up = (vars->phy_link_up &&
  6238. (ext_phy_link_up ||
  6239. SINGLE_MEDIA_DIRECT(params)) &&
  6240. (phy_vars[active_external_phy].fault_detected == 0));
  6241. /* Update the PFC configuration in case it was changed */
  6242. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6243. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6244. else
  6245. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6246. if (vars->link_up)
  6247. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6248. else
  6249. rc = bnx2x_update_link_down(params, vars);
  6250. if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
  6251. bnx2x_chng_link_count(params, false);
  6252. /* Update MCP link status was changed */
  6253. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6254. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6255. return rc;
  6256. }
  6257. /*****************************************************************************/
  6258. /* External Phy section */
  6259. /*****************************************************************************/
  6260. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6261. {
  6262. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6263. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6264. usleep_range(1000, 2000);
  6265. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6266. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6267. }
  6268. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6269. u32 spirom_ver, u32 ver_addr)
  6270. {
  6271. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6272. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6273. if (ver_addr)
  6274. REG_WR(bp, ver_addr, spirom_ver);
  6275. }
  6276. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6277. struct bnx2x_phy *phy,
  6278. u8 port)
  6279. {
  6280. u16 fw_ver1, fw_ver2;
  6281. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6282. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6283. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6284. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6285. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6286. phy->ver_addr);
  6287. }
  6288. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6289. struct bnx2x_phy *phy,
  6290. struct link_vars *vars)
  6291. {
  6292. u16 val;
  6293. bnx2x_cl45_read(bp, phy,
  6294. MDIO_AN_DEVAD,
  6295. MDIO_AN_REG_STATUS, &val);
  6296. bnx2x_cl45_read(bp, phy,
  6297. MDIO_AN_DEVAD,
  6298. MDIO_AN_REG_STATUS, &val);
  6299. if (val & (1<<5))
  6300. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6301. if ((val & (1<<0)) == 0)
  6302. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6303. }
  6304. /******************************************************************/
  6305. /* common BCM8073/BCM8727 PHY SECTION */
  6306. /******************************************************************/
  6307. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6308. struct link_params *params,
  6309. struct link_vars *vars)
  6310. {
  6311. struct bnx2x *bp = params->bp;
  6312. if (phy->req_line_speed == SPEED_10 ||
  6313. phy->req_line_speed == SPEED_100) {
  6314. vars->flow_ctrl = phy->req_flow_ctrl;
  6315. return;
  6316. }
  6317. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6318. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6319. u16 pause_result;
  6320. u16 ld_pause; /* local */
  6321. u16 lp_pause; /* link partner */
  6322. bnx2x_cl45_read(bp, phy,
  6323. MDIO_AN_DEVAD,
  6324. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6325. bnx2x_cl45_read(bp, phy,
  6326. MDIO_AN_DEVAD,
  6327. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6328. pause_result = (ld_pause &
  6329. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6330. pause_result |= (lp_pause &
  6331. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6332. bnx2x_pause_resolve(phy, params, vars, pause_result);
  6333. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6334. pause_result);
  6335. }
  6336. }
  6337. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6338. struct bnx2x_phy *phy,
  6339. u8 port)
  6340. {
  6341. u32 count = 0;
  6342. u16 fw_ver1, fw_msgout;
  6343. int rc = 0;
  6344. /* Boot port from external ROM */
  6345. /* EDC grst */
  6346. bnx2x_cl45_write(bp, phy,
  6347. MDIO_PMA_DEVAD,
  6348. MDIO_PMA_REG_GEN_CTRL,
  6349. 0x0001);
  6350. /* Ucode reboot and rst */
  6351. bnx2x_cl45_write(bp, phy,
  6352. MDIO_PMA_DEVAD,
  6353. MDIO_PMA_REG_GEN_CTRL,
  6354. 0x008c);
  6355. bnx2x_cl45_write(bp, phy,
  6356. MDIO_PMA_DEVAD,
  6357. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6358. /* Reset internal microprocessor */
  6359. bnx2x_cl45_write(bp, phy,
  6360. MDIO_PMA_DEVAD,
  6361. MDIO_PMA_REG_GEN_CTRL,
  6362. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6363. /* Release srst bit */
  6364. bnx2x_cl45_write(bp, phy,
  6365. MDIO_PMA_DEVAD,
  6366. MDIO_PMA_REG_GEN_CTRL,
  6367. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6368. /* Delay 100ms per the PHY specifications */
  6369. msleep(100);
  6370. /* 8073 sometimes taking longer to download */
  6371. do {
  6372. count++;
  6373. if (count > 300) {
  6374. DP(NETIF_MSG_LINK,
  6375. "bnx2x_8073_8727_external_rom_boot port %x:"
  6376. "Download failed. fw version = 0x%x\n",
  6377. port, fw_ver1);
  6378. rc = -EINVAL;
  6379. break;
  6380. }
  6381. bnx2x_cl45_read(bp, phy,
  6382. MDIO_PMA_DEVAD,
  6383. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6384. bnx2x_cl45_read(bp, phy,
  6385. MDIO_PMA_DEVAD,
  6386. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6387. usleep_range(1000, 2000);
  6388. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6389. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6390. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6391. /* Clear ser_boot_ctl bit */
  6392. bnx2x_cl45_write(bp, phy,
  6393. MDIO_PMA_DEVAD,
  6394. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6395. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6396. DP(NETIF_MSG_LINK,
  6397. "bnx2x_8073_8727_external_rom_boot port %x:"
  6398. "Download complete. fw version = 0x%x\n",
  6399. port, fw_ver1);
  6400. return rc;
  6401. }
  6402. /******************************************************************/
  6403. /* BCM8073 PHY SECTION */
  6404. /******************************************************************/
  6405. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6406. {
  6407. /* This is only required for 8073A1, version 102 only */
  6408. u16 val;
  6409. /* Read 8073 HW revision*/
  6410. bnx2x_cl45_read(bp, phy,
  6411. MDIO_PMA_DEVAD,
  6412. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6413. if (val != 1) {
  6414. /* No need to workaround in 8073 A1 */
  6415. return 0;
  6416. }
  6417. bnx2x_cl45_read(bp, phy,
  6418. MDIO_PMA_DEVAD,
  6419. MDIO_PMA_REG_ROM_VER2, &val);
  6420. /* SNR should be applied only for version 0x102 */
  6421. if (val != 0x102)
  6422. return 0;
  6423. return 1;
  6424. }
  6425. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6426. {
  6427. u16 val, cnt, cnt1 ;
  6428. bnx2x_cl45_read(bp, phy,
  6429. MDIO_PMA_DEVAD,
  6430. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6431. if (val > 0) {
  6432. /* No need to workaround in 8073 A1 */
  6433. return 0;
  6434. }
  6435. /* XAUI workaround in 8073 A0: */
  6436. /* After loading the boot ROM and restarting Autoneg, poll
  6437. * Dev1, Reg $C820:
  6438. */
  6439. for (cnt = 0; cnt < 1000; cnt++) {
  6440. bnx2x_cl45_read(bp, phy,
  6441. MDIO_PMA_DEVAD,
  6442. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6443. &val);
  6444. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6445. * system initialization (XAUI work-around not required, as
  6446. * these bits indicate 2.5G or 1G link up).
  6447. */
  6448. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6449. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6450. return 0;
  6451. } else if (!(val & (1<<15))) {
  6452. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6453. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6454. * MSB (bit15) goes to 1 (indicating that the XAUI
  6455. * workaround has completed), then continue on with
  6456. * system initialization.
  6457. */
  6458. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6459. bnx2x_cl45_read(bp, phy,
  6460. MDIO_PMA_DEVAD,
  6461. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6462. if (val & (1<<15)) {
  6463. DP(NETIF_MSG_LINK,
  6464. "XAUI workaround has completed\n");
  6465. return 0;
  6466. }
  6467. usleep_range(3000, 6000);
  6468. }
  6469. break;
  6470. }
  6471. usleep_range(3000, 6000);
  6472. }
  6473. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6474. return -EINVAL;
  6475. }
  6476. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6477. {
  6478. /* Force KR or KX */
  6479. bnx2x_cl45_write(bp, phy,
  6480. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6481. bnx2x_cl45_write(bp, phy,
  6482. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6483. bnx2x_cl45_write(bp, phy,
  6484. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6485. bnx2x_cl45_write(bp, phy,
  6486. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6487. }
  6488. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6489. struct bnx2x_phy *phy,
  6490. struct link_vars *vars)
  6491. {
  6492. u16 cl37_val;
  6493. struct bnx2x *bp = params->bp;
  6494. bnx2x_cl45_read(bp, phy,
  6495. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6496. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6497. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6498. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6499. if ((vars->ieee_fc &
  6500. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6501. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6502. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6503. }
  6504. if ((vars->ieee_fc &
  6505. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6506. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6507. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6508. }
  6509. if ((vars->ieee_fc &
  6510. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6511. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6512. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6513. }
  6514. DP(NETIF_MSG_LINK,
  6515. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6516. bnx2x_cl45_write(bp, phy,
  6517. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6518. msleep(500);
  6519. }
  6520. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6521. struct link_params *params,
  6522. u32 action)
  6523. {
  6524. struct bnx2x *bp = params->bp;
  6525. switch (action) {
  6526. case PHY_INIT:
  6527. /* Enable LASI */
  6528. bnx2x_cl45_write(bp, phy,
  6529. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6530. bnx2x_cl45_write(bp, phy,
  6531. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6532. break;
  6533. }
  6534. }
  6535. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6536. struct link_params *params,
  6537. struct link_vars *vars)
  6538. {
  6539. struct bnx2x *bp = params->bp;
  6540. u16 val = 0, tmp1;
  6541. u8 gpio_port;
  6542. DP(NETIF_MSG_LINK, "Init 8073\n");
  6543. if (CHIP_IS_E2(bp))
  6544. gpio_port = BP_PATH(bp);
  6545. else
  6546. gpio_port = params->port;
  6547. /* Restore normal power mode*/
  6548. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6549. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6550. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6551. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6552. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6553. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6554. bnx2x_cl45_read(bp, phy,
  6555. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6558. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6559. /* Swap polarity if required - Must be done only in non-1G mode */
  6560. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6561. /* Configure the 8073 to swap _P and _N of the KR lines */
  6562. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6563. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6564. bnx2x_cl45_read(bp, phy,
  6565. MDIO_PMA_DEVAD,
  6566. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6567. bnx2x_cl45_write(bp, phy,
  6568. MDIO_PMA_DEVAD,
  6569. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6570. (val | (3<<9)));
  6571. }
  6572. /* Enable CL37 BAM */
  6573. if (REG_RD(bp, params->shmem_base +
  6574. offsetof(struct shmem_region, dev_info.
  6575. port_hw_config[params->port].default_cfg)) &
  6576. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6577. bnx2x_cl45_read(bp, phy,
  6578. MDIO_AN_DEVAD,
  6579. MDIO_AN_REG_8073_BAM, &val);
  6580. bnx2x_cl45_write(bp, phy,
  6581. MDIO_AN_DEVAD,
  6582. MDIO_AN_REG_8073_BAM, val | 1);
  6583. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6584. }
  6585. if (params->loopback_mode == LOOPBACK_EXT) {
  6586. bnx2x_807x_force_10G(bp, phy);
  6587. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6588. return 0;
  6589. } else {
  6590. bnx2x_cl45_write(bp, phy,
  6591. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6592. }
  6593. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6594. if (phy->req_line_speed == SPEED_10000) {
  6595. val = (1<<7);
  6596. } else if (phy->req_line_speed == SPEED_2500) {
  6597. val = (1<<5);
  6598. /* Note that 2.5G works only when used with 1G
  6599. * advertisement
  6600. */
  6601. } else
  6602. val = (1<<5);
  6603. } else {
  6604. val = 0;
  6605. if (phy->speed_cap_mask &
  6606. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6607. val |= (1<<7);
  6608. /* Note that 2.5G works only when used with 1G advertisement */
  6609. if (phy->speed_cap_mask &
  6610. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6611. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6612. val |= (1<<5);
  6613. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6614. }
  6615. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6616. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6617. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6618. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6619. (phy->req_line_speed == SPEED_2500)) {
  6620. u16 phy_ver;
  6621. /* Allow 2.5G for A1 and above */
  6622. bnx2x_cl45_read(bp, phy,
  6623. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6624. &phy_ver);
  6625. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6626. if (phy_ver > 0)
  6627. tmp1 |= 1;
  6628. else
  6629. tmp1 &= 0xfffe;
  6630. } else {
  6631. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6632. tmp1 &= 0xfffe;
  6633. }
  6634. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6635. /* Add support for CL37 (passive mode) II */
  6636. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6637. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6638. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6639. 0x20 : 0x40)));
  6640. /* Add support for CL37 (passive mode) III */
  6641. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6642. /* The SNR will improve about 2db by changing BW and FEE main
  6643. * tap. Rest commands are executed after link is up
  6644. * Change FFE main cursor to 5 in EDC register
  6645. */
  6646. if (bnx2x_8073_is_snr_needed(bp, phy))
  6647. bnx2x_cl45_write(bp, phy,
  6648. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6649. 0xFB0C);
  6650. /* Enable FEC (Forware Error Correction) Request in the AN */
  6651. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6652. tmp1 |= (1<<15);
  6653. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6654. bnx2x_ext_phy_set_pause(params, phy, vars);
  6655. /* Restart autoneg */
  6656. msleep(500);
  6657. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6658. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6659. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6660. return 0;
  6661. }
  6662. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6663. struct link_params *params,
  6664. struct link_vars *vars)
  6665. {
  6666. struct bnx2x *bp = params->bp;
  6667. u8 link_up = 0;
  6668. u16 val1, val2;
  6669. u16 link_status = 0;
  6670. u16 an1000_status = 0;
  6671. bnx2x_cl45_read(bp, phy,
  6672. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6673. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6674. /* Clear the interrupt LASI status register */
  6675. bnx2x_cl45_read(bp, phy,
  6676. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6677. bnx2x_cl45_read(bp, phy,
  6678. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6679. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6680. /* Clear MSG-OUT */
  6681. bnx2x_cl45_read(bp, phy,
  6682. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6683. /* Check the LASI */
  6684. bnx2x_cl45_read(bp, phy,
  6685. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6686. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6687. /* Check the link status */
  6688. bnx2x_cl45_read(bp, phy,
  6689. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6690. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6691. bnx2x_cl45_read(bp, phy,
  6692. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6693. bnx2x_cl45_read(bp, phy,
  6694. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6695. link_up = ((val1 & 4) == 4);
  6696. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6697. if (link_up &&
  6698. ((phy->req_line_speed != SPEED_10000))) {
  6699. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6700. return 0;
  6701. }
  6702. bnx2x_cl45_read(bp, phy,
  6703. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6704. bnx2x_cl45_read(bp, phy,
  6705. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6706. /* Check the link status on 1.1.2 */
  6707. bnx2x_cl45_read(bp, phy,
  6708. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6709. bnx2x_cl45_read(bp, phy,
  6710. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6711. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6712. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6713. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6714. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6715. /* The SNR will improve about 2dbby changing the BW and FEE main
  6716. * tap. The 1st write to change FFE main tap is set before
  6717. * restart AN. Change PLL Bandwidth in EDC register
  6718. */
  6719. bnx2x_cl45_write(bp, phy,
  6720. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6721. 0x26BC);
  6722. /* Change CDR Bandwidth in EDC register */
  6723. bnx2x_cl45_write(bp, phy,
  6724. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6725. 0x0333);
  6726. }
  6727. bnx2x_cl45_read(bp, phy,
  6728. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6729. &link_status);
  6730. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6731. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6732. link_up = 1;
  6733. vars->line_speed = SPEED_10000;
  6734. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6735. params->port);
  6736. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6737. link_up = 1;
  6738. vars->line_speed = SPEED_2500;
  6739. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6740. params->port);
  6741. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6742. link_up = 1;
  6743. vars->line_speed = SPEED_1000;
  6744. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6745. params->port);
  6746. } else {
  6747. link_up = 0;
  6748. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6749. params->port);
  6750. }
  6751. if (link_up) {
  6752. /* Swap polarity if required */
  6753. if (params->lane_config &
  6754. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6755. /* Configure the 8073 to swap P and N of the KR lines */
  6756. bnx2x_cl45_read(bp, phy,
  6757. MDIO_XS_DEVAD,
  6758. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6759. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6760. * when it`s in 10G mode.
  6761. */
  6762. if (vars->line_speed == SPEED_1000) {
  6763. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6764. "the 8073\n");
  6765. val1 |= (1<<3);
  6766. } else
  6767. val1 &= ~(1<<3);
  6768. bnx2x_cl45_write(bp, phy,
  6769. MDIO_XS_DEVAD,
  6770. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6771. val1);
  6772. }
  6773. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6774. bnx2x_8073_resolve_fc(phy, params, vars);
  6775. vars->duplex = DUPLEX_FULL;
  6776. }
  6777. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6778. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6779. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6780. if (val1 & (1<<5))
  6781. vars->link_status |=
  6782. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6783. if (val1 & (1<<7))
  6784. vars->link_status |=
  6785. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6786. }
  6787. return link_up;
  6788. }
  6789. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6790. struct link_params *params)
  6791. {
  6792. struct bnx2x *bp = params->bp;
  6793. u8 gpio_port;
  6794. if (CHIP_IS_E2(bp))
  6795. gpio_port = BP_PATH(bp);
  6796. else
  6797. gpio_port = params->port;
  6798. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6799. gpio_port);
  6800. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6801. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6802. gpio_port);
  6803. }
  6804. /******************************************************************/
  6805. /* BCM8705 PHY SECTION */
  6806. /******************************************************************/
  6807. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6808. struct link_params *params,
  6809. struct link_vars *vars)
  6810. {
  6811. struct bnx2x *bp = params->bp;
  6812. DP(NETIF_MSG_LINK, "init 8705\n");
  6813. /* Restore normal power mode*/
  6814. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6815. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6816. /* HW reset */
  6817. bnx2x_ext_phy_hw_reset(bp, params->port);
  6818. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6819. bnx2x_wait_reset_complete(bp, phy, params);
  6820. bnx2x_cl45_write(bp, phy,
  6821. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6822. bnx2x_cl45_write(bp, phy,
  6823. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6824. bnx2x_cl45_write(bp, phy,
  6825. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6826. bnx2x_cl45_write(bp, phy,
  6827. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6828. /* BCM8705 doesn't have microcode, hence the 0 */
  6829. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6830. return 0;
  6831. }
  6832. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6833. struct link_params *params,
  6834. struct link_vars *vars)
  6835. {
  6836. u8 link_up = 0;
  6837. u16 val1, rx_sd;
  6838. struct bnx2x *bp = params->bp;
  6839. DP(NETIF_MSG_LINK, "read status 8705\n");
  6840. bnx2x_cl45_read(bp, phy,
  6841. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6842. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6843. bnx2x_cl45_read(bp, phy,
  6844. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6845. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6846. bnx2x_cl45_read(bp, phy,
  6847. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6848. bnx2x_cl45_read(bp, phy,
  6849. MDIO_PMA_DEVAD, 0xc809, &val1);
  6850. bnx2x_cl45_read(bp, phy,
  6851. MDIO_PMA_DEVAD, 0xc809, &val1);
  6852. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6853. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6854. if (link_up) {
  6855. vars->line_speed = SPEED_10000;
  6856. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6857. }
  6858. return link_up;
  6859. }
  6860. /******************************************************************/
  6861. /* SFP+ module Section */
  6862. /******************************************************************/
  6863. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6864. struct bnx2x_phy *phy,
  6865. u8 pmd_dis)
  6866. {
  6867. struct bnx2x *bp = params->bp;
  6868. /* Disable transmitter only for bootcodes which can enable it afterwards
  6869. * (for D3 link)
  6870. */
  6871. if (pmd_dis) {
  6872. if (params->feature_config_flags &
  6873. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6874. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6875. else {
  6876. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6877. return;
  6878. }
  6879. } else
  6880. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6881. bnx2x_cl45_write(bp, phy,
  6882. MDIO_PMA_DEVAD,
  6883. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6884. }
  6885. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6886. {
  6887. u8 gpio_port;
  6888. u32 swap_val, swap_override;
  6889. struct bnx2x *bp = params->bp;
  6890. if (CHIP_IS_E2(bp))
  6891. gpio_port = BP_PATH(bp);
  6892. else
  6893. gpio_port = params->port;
  6894. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6895. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6896. return gpio_port ^ (swap_val && swap_override);
  6897. }
  6898. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6899. struct bnx2x_phy *phy,
  6900. u8 tx_en)
  6901. {
  6902. u16 val;
  6903. u8 port = params->port;
  6904. struct bnx2x *bp = params->bp;
  6905. u32 tx_en_mode;
  6906. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6907. tx_en_mode = REG_RD(bp, params->shmem_base +
  6908. offsetof(struct shmem_region,
  6909. dev_info.port_hw_config[port].sfp_ctrl)) &
  6910. PORT_HW_CFG_TX_LASER_MASK;
  6911. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6912. "mode = %x\n", tx_en, port, tx_en_mode);
  6913. switch (tx_en_mode) {
  6914. case PORT_HW_CFG_TX_LASER_MDIO:
  6915. bnx2x_cl45_read(bp, phy,
  6916. MDIO_PMA_DEVAD,
  6917. MDIO_PMA_REG_PHY_IDENTIFIER,
  6918. &val);
  6919. if (tx_en)
  6920. val &= ~(1<<15);
  6921. else
  6922. val |= (1<<15);
  6923. bnx2x_cl45_write(bp, phy,
  6924. MDIO_PMA_DEVAD,
  6925. MDIO_PMA_REG_PHY_IDENTIFIER,
  6926. val);
  6927. break;
  6928. case PORT_HW_CFG_TX_LASER_GPIO0:
  6929. case PORT_HW_CFG_TX_LASER_GPIO1:
  6930. case PORT_HW_CFG_TX_LASER_GPIO2:
  6931. case PORT_HW_CFG_TX_LASER_GPIO3:
  6932. {
  6933. u16 gpio_pin;
  6934. u8 gpio_port, gpio_mode;
  6935. if (tx_en)
  6936. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6937. else
  6938. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6939. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6940. gpio_port = bnx2x_get_gpio_port(params);
  6941. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6942. break;
  6943. }
  6944. default:
  6945. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6946. break;
  6947. }
  6948. }
  6949. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6950. struct bnx2x_phy *phy,
  6951. u8 tx_en)
  6952. {
  6953. struct bnx2x *bp = params->bp;
  6954. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6955. if (CHIP_IS_E3(bp))
  6956. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6957. else
  6958. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6959. }
  6960. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6961. struct link_params *params,
  6962. u8 dev_addr, u16 addr, u8 byte_cnt,
  6963. u8 *o_buf, u8 is_init)
  6964. {
  6965. struct bnx2x *bp = params->bp;
  6966. u16 val = 0;
  6967. u16 i;
  6968. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6969. DP(NETIF_MSG_LINK,
  6970. "Reading from eeprom is limited to 0xf\n");
  6971. return -EINVAL;
  6972. }
  6973. /* Set the read command byte count */
  6974. bnx2x_cl45_write(bp, phy,
  6975. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6976. (byte_cnt | (dev_addr << 8)));
  6977. /* Set the read command address */
  6978. bnx2x_cl45_write(bp, phy,
  6979. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6980. addr);
  6981. /* Activate read command */
  6982. bnx2x_cl45_write(bp, phy,
  6983. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6984. 0x2c0f);
  6985. /* Wait up to 500us for command complete status */
  6986. for (i = 0; i < 100; i++) {
  6987. bnx2x_cl45_read(bp, phy,
  6988. MDIO_PMA_DEVAD,
  6989. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6990. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6991. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6992. break;
  6993. udelay(5);
  6994. }
  6995. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6996. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6997. DP(NETIF_MSG_LINK,
  6998. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6999. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7000. return -EINVAL;
  7001. }
  7002. /* Read the buffer */
  7003. for (i = 0; i < byte_cnt; i++) {
  7004. bnx2x_cl45_read(bp, phy,
  7005. MDIO_PMA_DEVAD,
  7006. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  7007. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  7008. }
  7009. for (i = 0; i < 100; i++) {
  7010. bnx2x_cl45_read(bp, phy,
  7011. MDIO_PMA_DEVAD,
  7012. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7013. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7014. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7015. return 0;
  7016. usleep_range(1000, 2000);
  7017. }
  7018. return -EINVAL;
  7019. }
  7020. static void bnx2x_warpcore_power_module(struct link_params *params,
  7021. u8 power)
  7022. {
  7023. u32 pin_cfg;
  7024. struct bnx2x *bp = params->bp;
  7025. pin_cfg = (REG_RD(bp, params->shmem_base +
  7026. offsetof(struct shmem_region,
  7027. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7028. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7029. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7030. if (pin_cfg == PIN_CFG_NA)
  7031. return;
  7032. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7033. power, pin_cfg);
  7034. /* Low ==> corresponding SFP+ module is powered
  7035. * high ==> the SFP+ module is powered down
  7036. */
  7037. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7038. }
  7039. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7040. struct link_params *params,
  7041. u8 dev_addr,
  7042. u16 addr, u8 byte_cnt,
  7043. u8 *o_buf, u8 is_init)
  7044. {
  7045. int rc = 0;
  7046. u8 i, j = 0, cnt = 0;
  7047. u32 data_array[4];
  7048. u16 addr32;
  7049. struct bnx2x *bp = params->bp;
  7050. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  7051. DP(NETIF_MSG_LINK,
  7052. "Reading from eeprom is limited to 16 bytes\n");
  7053. return -EINVAL;
  7054. }
  7055. /* 4 byte aligned address */
  7056. addr32 = addr & (~0x3);
  7057. do {
  7058. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  7059. bnx2x_warpcore_power_module(params, 0);
  7060. /* Note that 100us are not enough here */
  7061. usleep_range(1000, 2000);
  7062. bnx2x_warpcore_power_module(params, 1);
  7063. }
  7064. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  7065. data_array);
  7066. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  7067. if (rc == 0) {
  7068. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  7069. o_buf[j] = *((u8 *)data_array + i);
  7070. j++;
  7071. }
  7072. }
  7073. return rc;
  7074. }
  7075. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7076. struct link_params *params,
  7077. u8 dev_addr, u16 addr, u8 byte_cnt,
  7078. u8 *o_buf, u8 is_init)
  7079. {
  7080. struct bnx2x *bp = params->bp;
  7081. u16 val, i;
  7082. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  7083. DP(NETIF_MSG_LINK,
  7084. "Reading from eeprom is limited to 0xf\n");
  7085. return -EINVAL;
  7086. }
  7087. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7088. * to 100Khz since some DACs(direct attached cables) do
  7089. * not work at 400Khz.
  7090. */
  7091. bnx2x_cl45_write(bp, phy,
  7092. MDIO_PMA_DEVAD,
  7093. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7094. ((dev_addr << 8) | 1));
  7095. /* Need to read from 1.8000 to clear it */
  7096. bnx2x_cl45_read(bp, phy,
  7097. MDIO_PMA_DEVAD,
  7098. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7099. &val);
  7100. /* Set the read command byte count */
  7101. bnx2x_cl45_write(bp, phy,
  7102. MDIO_PMA_DEVAD,
  7103. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  7104. ((byte_cnt < 2) ? 2 : byte_cnt));
  7105. /* Set the read command address */
  7106. bnx2x_cl45_write(bp, phy,
  7107. MDIO_PMA_DEVAD,
  7108. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7109. addr);
  7110. /* Set the destination address */
  7111. bnx2x_cl45_write(bp, phy,
  7112. MDIO_PMA_DEVAD,
  7113. 0x8004,
  7114. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7115. /* Activate read command */
  7116. bnx2x_cl45_write(bp, phy,
  7117. MDIO_PMA_DEVAD,
  7118. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7119. 0x8002);
  7120. /* Wait appropriate time for two-wire command to finish before
  7121. * polling the status register
  7122. */
  7123. usleep_range(1000, 2000);
  7124. /* Wait up to 500us for command complete status */
  7125. for (i = 0; i < 100; i++) {
  7126. bnx2x_cl45_read(bp, phy,
  7127. MDIO_PMA_DEVAD,
  7128. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7129. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7130. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7131. break;
  7132. udelay(5);
  7133. }
  7134. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7135. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7136. DP(NETIF_MSG_LINK,
  7137. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7138. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7139. return -EFAULT;
  7140. }
  7141. /* Read the buffer */
  7142. for (i = 0; i < byte_cnt; i++) {
  7143. bnx2x_cl45_read(bp, phy,
  7144. MDIO_PMA_DEVAD,
  7145. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7146. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7147. }
  7148. for (i = 0; i < 100; i++) {
  7149. bnx2x_cl45_read(bp, phy,
  7150. MDIO_PMA_DEVAD,
  7151. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7152. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7153. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7154. return 0;
  7155. usleep_range(1000, 2000);
  7156. }
  7157. return -EINVAL;
  7158. }
  7159. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7160. struct link_params *params, u8 dev_addr,
  7161. u16 addr, u16 byte_cnt, u8 *o_buf)
  7162. {
  7163. int rc = 0;
  7164. struct bnx2x *bp = params->bp;
  7165. u8 xfer_size;
  7166. u8 *user_data = o_buf;
  7167. read_sfp_module_eeprom_func_p read_func;
  7168. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7169. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7170. return -EINVAL;
  7171. }
  7172. switch (phy->type) {
  7173. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7174. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7175. break;
  7176. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7177. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7178. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7179. break;
  7180. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7181. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7182. break;
  7183. default:
  7184. return -EOPNOTSUPP;
  7185. }
  7186. while (!rc && (byte_cnt > 0)) {
  7187. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7188. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7189. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7190. user_data, 0);
  7191. byte_cnt -= xfer_size;
  7192. user_data += xfer_size;
  7193. addr += xfer_size;
  7194. }
  7195. return rc;
  7196. }
  7197. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7198. struct link_params *params,
  7199. u16 *edc_mode)
  7200. {
  7201. struct bnx2x *bp = params->bp;
  7202. u32 sync_offset = 0, phy_idx, media_types;
  7203. u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
  7204. *edc_mode = EDC_MODE_LIMITING;
  7205. phy->media_type = ETH_PHY_UNSPECIFIED;
  7206. /* First check for copper cable */
  7207. if (bnx2x_read_sfp_module_eeprom(phy,
  7208. params,
  7209. I2C_DEV_ADDR_A0,
  7210. 0,
  7211. SFP_EEPROM_FC_TX_TECH_ADDR + 1,
  7212. (u8 *)val) != 0) {
  7213. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7214. return -EINVAL;
  7215. }
  7216. params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
  7217. params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
  7218. LINK_SFP_EEPROM_COMP_CODE_SHIFT;
  7219. bnx2x_update_link_attr(params, params->link_attr_sync);
  7220. switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
  7221. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7222. {
  7223. u8 copper_module_type;
  7224. phy->media_type = ETH_PHY_DA_TWINAX;
  7225. /* Check if its active cable (includes SFP+ module)
  7226. * of passive cable
  7227. */
  7228. copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
  7229. if (copper_module_type &
  7230. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7231. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7232. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7233. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7234. else
  7235. check_limiting_mode = 1;
  7236. } else {
  7237. *edc_mode = EDC_MODE_PASSIVE_DAC;
  7238. /* Even in case PASSIVE_DAC indication is not set,
  7239. * treat it as a passive DAC cable, since some cables
  7240. * don't have this indication.
  7241. */
  7242. if (copper_module_type &
  7243. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7244. DP(NETIF_MSG_LINK,
  7245. "Passive Copper cable detected\n");
  7246. } else {
  7247. DP(NETIF_MSG_LINK,
  7248. "Unknown copper-cable-type\n");
  7249. }
  7250. }
  7251. break;
  7252. }
  7253. case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
  7254. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7255. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7256. check_limiting_mode = 1;
  7257. if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
  7258. (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
  7259. SFP_EEPROM_10G_COMP_CODE_LR_MASK |
  7260. SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
  7261. (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
  7262. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7263. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7264. if (phy->req_line_speed != SPEED_1000) {
  7265. u8 gport = params->port;
  7266. phy->req_line_speed = SPEED_1000;
  7267. if (!CHIP_IS_E1x(bp)) {
  7268. gport = BP_PATH(bp) +
  7269. (params->port << 1);
  7270. }
  7271. netdev_err(bp->dev,
  7272. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7273. gport);
  7274. }
  7275. if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
  7276. SFP_EEPROM_1G_COMP_CODE_BASE_T) {
  7277. bnx2x_sfp_set_transmitter(params, phy, 0);
  7278. msleep(40);
  7279. bnx2x_sfp_set_transmitter(params, phy, 1);
  7280. }
  7281. } else {
  7282. int idx, cfg_idx = 0;
  7283. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7284. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7285. if (params->phy[idx].type == phy->type) {
  7286. cfg_idx = LINK_CONFIG_IDX(idx);
  7287. break;
  7288. }
  7289. }
  7290. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7291. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7292. }
  7293. break;
  7294. default:
  7295. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7296. val[SFP_EEPROM_CON_TYPE_ADDR]);
  7297. return -EINVAL;
  7298. }
  7299. sync_offset = params->shmem_base +
  7300. offsetof(struct shmem_region,
  7301. dev_info.port_hw_config[params->port].media_type);
  7302. media_types = REG_RD(bp, sync_offset);
  7303. /* Update media type for non-PMF sync */
  7304. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7305. if (&(params->phy[phy_idx]) == phy) {
  7306. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7307. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7308. media_types |= ((phy->media_type &
  7309. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7310. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7311. break;
  7312. }
  7313. }
  7314. REG_WR(bp, sync_offset, media_types);
  7315. if (check_limiting_mode) {
  7316. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7317. if (bnx2x_read_sfp_module_eeprom(phy,
  7318. params,
  7319. I2C_DEV_ADDR_A0,
  7320. SFP_EEPROM_OPTIONS_ADDR,
  7321. SFP_EEPROM_OPTIONS_SIZE,
  7322. options) != 0) {
  7323. DP(NETIF_MSG_LINK,
  7324. "Failed to read Option field from module EEPROM\n");
  7325. return -EINVAL;
  7326. }
  7327. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7328. *edc_mode = EDC_MODE_LINEAR;
  7329. else
  7330. *edc_mode = EDC_MODE_LIMITING;
  7331. }
  7332. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7333. return 0;
  7334. }
  7335. /* This function read the relevant field from the module (SFP+), and verify it
  7336. * is compliant with this board
  7337. */
  7338. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7339. struct link_params *params)
  7340. {
  7341. struct bnx2x *bp = params->bp;
  7342. u32 val, cmd;
  7343. u32 fw_resp, fw_cmd_param;
  7344. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7345. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7346. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7347. val = REG_RD(bp, params->shmem_base +
  7348. offsetof(struct shmem_region, dev_info.
  7349. port_feature_config[params->port].config));
  7350. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7351. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7352. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7353. return 0;
  7354. }
  7355. if (params->feature_config_flags &
  7356. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7357. /* Use specific phy request */
  7358. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7359. } else if (params->feature_config_flags &
  7360. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7361. /* Use first phy request only in case of non-dual media*/
  7362. if (DUAL_MEDIA(params)) {
  7363. DP(NETIF_MSG_LINK,
  7364. "FW does not support OPT MDL verification\n");
  7365. return -EINVAL;
  7366. }
  7367. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7368. } else {
  7369. /* No support in OPT MDL detection */
  7370. DP(NETIF_MSG_LINK,
  7371. "FW does not support OPT MDL verification\n");
  7372. return -EINVAL;
  7373. }
  7374. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7375. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7376. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7377. DP(NETIF_MSG_LINK, "Approved module\n");
  7378. return 0;
  7379. }
  7380. /* Format the warning message */
  7381. if (bnx2x_read_sfp_module_eeprom(phy,
  7382. params,
  7383. I2C_DEV_ADDR_A0,
  7384. SFP_EEPROM_VENDOR_NAME_ADDR,
  7385. SFP_EEPROM_VENDOR_NAME_SIZE,
  7386. (u8 *)vendor_name))
  7387. vendor_name[0] = '\0';
  7388. else
  7389. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7390. if (bnx2x_read_sfp_module_eeprom(phy,
  7391. params,
  7392. I2C_DEV_ADDR_A0,
  7393. SFP_EEPROM_PART_NO_ADDR,
  7394. SFP_EEPROM_PART_NO_SIZE,
  7395. (u8 *)vendor_pn))
  7396. vendor_pn[0] = '\0';
  7397. else
  7398. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7399. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7400. " Port %d from %s part number %s\n",
  7401. params->port, vendor_name, vendor_pn);
  7402. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7403. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7404. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7405. return -EINVAL;
  7406. }
  7407. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7408. struct link_params *params)
  7409. {
  7410. u8 val;
  7411. int rc;
  7412. struct bnx2x *bp = params->bp;
  7413. u16 timeout;
  7414. /* Initialization time after hot-plug may take up to 300ms for
  7415. * some phys type ( e.g. JDSU )
  7416. */
  7417. for (timeout = 0; timeout < 60; timeout++) {
  7418. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7419. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7420. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7421. 1);
  7422. else
  7423. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7424. I2C_DEV_ADDR_A0,
  7425. 1, 1, &val);
  7426. if (rc == 0) {
  7427. DP(NETIF_MSG_LINK,
  7428. "SFP+ module initialization took %d ms\n",
  7429. timeout * 5);
  7430. return 0;
  7431. }
  7432. usleep_range(5000, 10000);
  7433. }
  7434. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7435. 1, 1, &val);
  7436. return rc;
  7437. }
  7438. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7439. struct bnx2x_phy *phy,
  7440. u8 is_power_up) {
  7441. /* Make sure GPIOs are not using for LED mode */
  7442. u16 val;
  7443. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7444. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7445. * output
  7446. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7447. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7448. * where the 1st bit is the over-current(only input), and 2nd bit is
  7449. * for power( only output )
  7450. *
  7451. * In case of NOC feature is disabled and power is up, set GPIO control
  7452. * as input to enable listening of over-current indication
  7453. */
  7454. if (phy->flags & FLAGS_NOC)
  7455. return;
  7456. if (is_power_up)
  7457. val = (1<<4);
  7458. else
  7459. /* Set GPIO control to OUTPUT, and set the power bit
  7460. * to according to the is_power_up
  7461. */
  7462. val = (1<<1);
  7463. bnx2x_cl45_write(bp, phy,
  7464. MDIO_PMA_DEVAD,
  7465. MDIO_PMA_REG_8727_GPIO_CTRL,
  7466. val);
  7467. }
  7468. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7469. struct bnx2x_phy *phy,
  7470. u16 edc_mode)
  7471. {
  7472. u16 cur_limiting_mode;
  7473. bnx2x_cl45_read(bp, phy,
  7474. MDIO_PMA_DEVAD,
  7475. MDIO_PMA_REG_ROM_VER2,
  7476. &cur_limiting_mode);
  7477. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7478. cur_limiting_mode);
  7479. if (edc_mode == EDC_MODE_LIMITING) {
  7480. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7481. bnx2x_cl45_write(bp, phy,
  7482. MDIO_PMA_DEVAD,
  7483. MDIO_PMA_REG_ROM_VER2,
  7484. EDC_MODE_LIMITING);
  7485. } else { /* LRM mode ( default )*/
  7486. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7487. /* Changing to LRM mode takes quite few seconds. So do it only
  7488. * if current mode is limiting (default is LRM)
  7489. */
  7490. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7491. return 0;
  7492. bnx2x_cl45_write(bp, phy,
  7493. MDIO_PMA_DEVAD,
  7494. MDIO_PMA_REG_LRM_MODE,
  7495. 0);
  7496. bnx2x_cl45_write(bp, phy,
  7497. MDIO_PMA_DEVAD,
  7498. MDIO_PMA_REG_ROM_VER2,
  7499. 0x128);
  7500. bnx2x_cl45_write(bp, phy,
  7501. MDIO_PMA_DEVAD,
  7502. MDIO_PMA_REG_MISC_CTRL0,
  7503. 0x4008);
  7504. bnx2x_cl45_write(bp, phy,
  7505. MDIO_PMA_DEVAD,
  7506. MDIO_PMA_REG_LRM_MODE,
  7507. 0xaaaa);
  7508. }
  7509. return 0;
  7510. }
  7511. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7512. struct bnx2x_phy *phy,
  7513. u16 edc_mode)
  7514. {
  7515. u16 phy_identifier;
  7516. u16 rom_ver2_val;
  7517. bnx2x_cl45_read(bp, phy,
  7518. MDIO_PMA_DEVAD,
  7519. MDIO_PMA_REG_PHY_IDENTIFIER,
  7520. &phy_identifier);
  7521. bnx2x_cl45_write(bp, phy,
  7522. MDIO_PMA_DEVAD,
  7523. MDIO_PMA_REG_PHY_IDENTIFIER,
  7524. (phy_identifier & ~(1<<9)));
  7525. bnx2x_cl45_read(bp, phy,
  7526. MDIO_PMA_DEVAD,
  7527. MDIO_PMA_REG_ROM_VER2,
  7528. &rom_ver2_val);
  7529. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7530. bnx2x_cl45_write(bp, phy,
  7531. MDIO_PMA_DEVAD,
  7532. MDIO_PMA_REG_ROM_VER2,
  7533. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7534. bnx2x_cl45_write(bp, phy,
  7535. MDIO_PMA_DEVAD,
  7536. MDIO_PMA_REG_PHY_IDENTIFIER,
  7537. (phy_identifier | (1<<9)));
  7538. return 0;
  7539. }
  7540. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7541. struct link_params *params,
  7542. u32 action)
  7543. {
  7544. struct bnx2x *bp = params->bp;
  7545. u16 val;
  7546. switch (action) {
  7547. case DISABLE_TX:
  7548. bnx2x_sfp_set_transmitter(params, phy, 0);
  7549. break;
  7550. case ENABLE_TX:
  7551. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7552. bnx2x_sfp_set_transmitter(params, phy, 1);
  7553. break;
  7554. case PHY_INIT:
  7555. bnx2x_cl45_write(bp, phy,
  7556. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7557. (1<<2) | (1<<5));
  7558. bnx2x_cl45_write(bp, phy,
  7559. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7560. 0);
  7561. bnx2x_cl45_write(bp, phy,
  7562. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7563. /* Make MOD_ABS give interrupt on change */
  7564. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7565. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7566. &val);
  7567. val |= (1<<12);
  7568. if (phy->flags & FLAGS_NOC)
  7569. val |= (3<<5);
  7570. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7571. * status which reflect SFP+ module over-current
  7572. */
  7573. if (!(phy->flags & FLAGS_NOC))
  7574. val &= 0xff8f; /* Reset bits 4-6 */
  7575. bnx2x_cl45_write(bp, phy,
  7576. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7577. val);
  7578. break;
  7579. default:
  7580. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7581. action);
  7582. return;
  7583. }
  7584. }
  7585. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7586. u8 gpio_mode)
  7587. {
  7588. struct bnx2x *bp = params->bp;
  7589. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7590. offsetof(struct shmem_region,
  7591. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7592. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7593. switch (fault_led_gpio) {
  7594. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7595. return;
  7596. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7597. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7598. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7599. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7600. {
  7601. u8 gpio_port = bnx2x_get_gpio_port(params);
  7602. u16 gpio_pin = fault_led_gpio -
  7603. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7604. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7605. "pin %x port %x mode %x\n",
  7606. gpio_pin, gpio_port, gpio_mode);
  7607. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7608. }
  7609. break;
  7610. default:
  7611. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7612. fault_led_gpio);
  7613. }
  7614. }
  7615. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7616. u8 gpio_mode)
  7617. {
  7618. u32 pin_cfg;
  7619. u8 port = params->port;
  7620. struct bnx2x *bp = params->bp;
  7621. pin_cfg = (REG_RD(bp, params->shmem_base +
  7622. offsetof(struct shmem_region,
  7623. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7624. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7625. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7626. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7627. gpio_mode, pin_cfg);
  7628. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7629. }
  7630. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7631. u8 gpio_mode)
  7632. {
  7633. struct bnx2x *bp = params->bp;
  7634. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7635. if (CHIP_IS_E3(bp)) {
  7636. /* Low ==> if SFP+ module is supported otherwise
  7637. * High ==> if SFP+ module is not on the approved vendor list
  7638. */
  7639. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7640. } else
  7641. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7642. }
  7643. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7644. struct link_params *params)
  7645. {
  7646. struct bnx2x *bp = params->bp;
  7647. bnx2x_warpcore_power_module(params, 0);
  7648. /* Put Warpcore in low power mode */
  7649. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7650. /* Put LCPLL in low power mode */
  7651. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7652. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7653. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7654. }
  7655. static void bnx2x_power_sfp_module(struct link_params *params,
  7656. struct bnx2x_phy *phy,
  7657. u8 power)
  7658. {
  7659. struct bnx2x *bp = params->bp;
  7660. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7661. switch (phy->type) {
  7662. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7663. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7664. bnx2x_8727_power_module(params->bp, phy, power);
  7665. break;
  7666. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7667. bnx2x_warpcore_power_module(params, power);
  7668. break;
  7669. default:
  7670. break;
  7671. }
  7672. }
  7673. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7674. struct bnx2x_phy *phy,
  7675. u16 edc_mode)
  7676. {
  7677. u16 val = 0;
  7678. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7679. struct bnx2x *bp = params->bp;
  7680. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7681. /* This is a global register which controls all lanes */
  7682. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7683. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7684. val &= ~(0xf << (lane << 2));
  7685. switch (edc_mode) {
  7686. case EDC_MODE_LINEAR:
  7687. case EDC_MODE_LIMITING:
  7688. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7689. break;
  7690. case EDC_MODE_PASSIVE_DAC:
  7691. case EDC_MODE_ACTIVE_DAC:
  7692. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7693. break;
  7694. default:
  7695. break;
  7696. }
  7697. val |= (mode << (lane << 2));
  7698. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7699. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7700. /* A must read */
  7701. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7702. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7703. /* Restart microcode to re-read the new mode */
  7704. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7705. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7706. }
  7707. static void bnx2x_set_limiting_mode(struct link_params *params,
  7708. struct bnx2x_phy *phy,
  7709. u16 edc_mode)
  7710. {
  7711. switch (phy->type) {
  7712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7713. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7714. break;
  7715. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7716. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7717. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7718. break;
  7719. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7720. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7721. break;
  7722. }
  7723. }
  7724. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7725. struct link_params *params)
  7726. {
  7727. struct bnx2x *bp = params->bp;
  7728. u16 edc_mode;
  7729. int rc = 0;
  7730. u32 val = REG_RD(bp, params->shmem_base +
  7731. offsetof(struct shmem_region, dev_info.
  7732. port_feature_config[params->port].config));
  7733. /* Enabled transmitter by default */
  7734. bnx2x_sfp_set_transmitter(params, phy, 1);
  7735. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7736. params->port);
  7737. /* Power up module */
  7738. bnx2x_power_sfp_module(params, phy, 1);
  7739. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7740. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7741. return -EINVAL;
  7742. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7743. /* Check SFP+ module compatibility */
  7744. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7745. rc = -EINVAL;
  7746. /* Turn on fault module-detected led */
  7747. bnx2x_set_sfp_module_fault_led(params,
  7748. MISC_REGISTERS_GPIO_HIGH);
  7749. /* Check if need to power down the SFP+ module */
  7750. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7751. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7752. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7753. bnx2x_power_sfp_module(params, phy, 0);
  7754. return rc;
  7755. }
  7756. } else {
  7757. /* Turn off fault module-detected led */
  7758. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7759. }
  7760. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7761. * is done automatically
  7762. */
  7763. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7764. /* Disable transmit for this module if the module is not approved, and
  7765. * laser needs to be disabled.
  7766. */
  7767. if ((rc) &&
  7768. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7769. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7770. bnx2x_sfp_set_transmitter(params, phy, 0);
  7771. return rc;
  7772. }
  7773. void bnx2x_handle_module_detect_int(struct link_params *params)
  7774. {
  7775. struct bnx2x *bp = params->bp;
  7776. struct bnx2x_phy *phy;
  7777. u32 gpio_val;
  7778. u8 gpio_num, gpio_port;
  7779. if (CHIP_IS_E3(bp)) {
  7780. phy = &params->phy[INT_PHY];
  7781. /* Always enable TX laser,will be disabled in case of fault */
  7782. bnx2x_sfp_set_transmitter(params, phy, 1);
  7783. } else {
  7784. phy = &params->phy[EXT_PHY1];
  7785. }
  7786. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7787. params->port, &gpio_num, &gpio_port) ==
  7788. -EINVAL) {
  7789. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7790. return;
  7791. }
  7792. /* Set valid module led off */
  7793. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7794. /* Get current gpio val reflecting module plugged in / out*/
  7795. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7796. /* Call the handling function in case module is detected */
  7797. if (gpio_val == 0) {
  7798. bnx2x_set_mdio_emac_per_phy(bp, params);
  7799. bnx2x_set_aer_mmd(params, phy);
  7800. bnx2x_power_sfp_module(params, phy, 1);
  7801. bnx2x_set_gpio_int(bp, gpio_num,
  7802. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7803. gpio_port);
  7804. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7805. bnx2x_sfp_module_detection(phy, params);
  7806. if (CHIP_IS_E3(bp)) {
  7807. u16 rx_tx_in_reset;
  7808. /* In case WC is out of reset, reconfigure the
  7809. * link speed while taking into account 1G
  7810. * module limitation.
  7811. */
  7812. bnx2x_cl45_read(bp, phy,
  7813. MDIO_WC_DEVAD,
  7814. MDIO_WC_REG_DIGITAL5_MISC6,
  7815. &rx_tx_in_reset);
  7816. if ((!rx_tx_in_reset) &&
  7817. (params->link_flags &
  7818. PHY_INITIALIZED)) {
  7819. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7820. bnx2x_warpcore_config_sfi(phy, params);
  7821. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7822. }
  7823. }
  7824. } else {
  7825. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7826. }
  7827. } else {
  7828. bnx2x_set_gpio_int(bp, gpio_num,
  7829. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7830. gpio_port);
  7831. /* Module was plugged out.
  7832. * Disable transmit for this module
  7833. */
  7834. phy->media_type = ETH_PHY_NOT_PRESENT;
  7835. }
  7836. }
  7837. /******************************************************************/
  7838. /* Used by 8706 and 8727 */
  7839. /******************************************************************/
  7840. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7841. struct bnx2x_phy *phy,
  7842. u16 alarm_status_offset,
  7843. u16 alarm_ctrl_offset)
  7844. {
  7845. u16 alarm_status, val;
  7846. bnx2x_cl45_read(bp, phy,
  7847. MDIO_PMA_DEVAD, alarm_status_offset,
  7848. &alarm_status);
  7849. bnx2x_cl45_read(bp, phy,
  7850. MDIO_PMA_DEVAD, alarm_status_offset,
  7851. &alarm_status);
  7852. /* Mask or enable the fault event. */
  7853. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7854. if (alarm_status & (1<<0))
  7855. val &= ~(1<<0);
  7856. else
  7857. val |= (1<<0);
  7858. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7859. }
  7860. /******************************************************************/
  7861. /* common BCM8706/BCM8726 PHY SECTION */
  7862. /******************************************************************/
  7863. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7864. struct link_params *params,
  7865. struct link_vars *vars)
  7866. {
  7867. u8 link_up = 0;
  7868. u16 val1, val2, rx_sd, pcs_status;
  7869. struct bnx2x *bp = params->bp;
  7870. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7871. /* Clear RX Alarm*/
  7872. bnx2x_cl45_read(bp, phy,
  7873. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7874. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7875. MDIO_PMA_LASI_TXCTRL);
  7876. /* Clear LASI indication*/
  7877. bnx2x_cl45_read(bp, phy,
  7878. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7879. bnx2x_cl45_read(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7881. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7882. bnx2x_cl45_read(bp, phy,
  7883. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7884. bnx2x_cl45_read(bp, phy,
  7885. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7886. bnx2x_cl45_read(bp, phy,
  7887. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7888. bnx2x_cl45_read(bp, phy,
  7889. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7890. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7891. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7892. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7893. * are set, or if the autoneg bit 1 is set
  7894. */
  7895. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7896. if (link_up) {
  7897. if (val2 & (1<<1))
  7898. vars->line_speed = SPEED_1000;
  7899. else
  7900. vars->line_speed = SPEED_10000;
  7901. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7902. vars->duplex = DUPLEX_FULL;
  7903. }
  7904. /* Capture 10G link fault. Read twice to clear stale value. */
  7905. if (vars->line_speed == SPEED_10000) {
  7906. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7907. MDIO_PMA_LASI_TXSTAT, &val1);
  7908. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7909. MDIO_PMA_LASI_TXSTAT, &val1);
  7910. if (val1 & (1<<0))
  7911. vars->fault_detected = 1;
  7912. }
  7913. return link_up;
  7914. }
  7915. /******************************************************************/
  7916. /* BCM8706 PHY SECTION */
  7917. /******************************************************************/
  7918. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7919. struct link_params *params,
  7920. struct link_vars *vars)
  7921. {
  7922. u32 tx_en_mode;
  7923. u16 cnt, val, tmp1;
  7924. struct bnx2x *bp = params->bp;
  7925. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7926. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7927. /* HW reset */
  7928. bnx2x_ext_phy_hw_reset(bp, params->port);
  7929. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7930. bnx2x_wait_reset_complete(bp, phy, params);
  7931. /* Wait until fw is loaded */
  7932. for (cnt = 0; cnt < 100; cnt++) {
  7933. bnx2x_cl45_read(bp, phy,
  7934. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7935. if (val)
  7936. break;
  7937. usleep_range(10000, 20000);
  7938. }
  7939. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7940. if ((params->feature_config_flags &
  7941. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7942. u8 i;
  7943. u16 reg;
  7944. for (i = 0; i < 4; i++) {
  7945. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7946. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7947. MDIO_XS_8706_REG_BANK_RX0);
  7948. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7949. /* Clear first 3 bits of the control */
  7950. val &= ~0x7;
  7951. /* Set control bits according to configuration */
  7952. val |= (phy->rx_preemphasis[i] & 0x7);
  7953. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7954. " reg 0x%x <-- val 0x%x\n", reg, val);
  7955. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7956. }
  7957. }
  7958. /* Force speed */
  7959. if (phy->req_line_speed == SPEED_10000) {
  7960. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7961. bnx2x_cl45_write(bp, phy,
  7962. MDIO_PMA_DEVAD,
  7963. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7964. bnx2x_cl45_write(bp, phy,
  7965. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7966. 0);
  7967. /* Arm LASI for link and Tx fault. */
  7968. bnx2x_cl45_write(bp, phy,
  7969. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7970. } else {
  7971. /* Force 1Gbps using autoneg with 1G advertisement */
  7972. /* Allow CL37 through CL73 */
  7973. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7974. bnx2x_cl45_write(bp, phy,
  7975. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7976. /* Enable Full-Duplex advertisement on CL37 */
  7977. bnx2x_cl45_write(bp, phy,
  7978. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7979. /* Enable CL37 AN */
  7980. bnx2x_cl45_write(bp, phy,
  7981. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7982. /* 1G support */
  7983. bnx2x_cl45_write(bp, phy,
  7984. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7985. /* Enable clause 73 AN */
  7986. bnx2x_cl45_write(bp, phy,
  7987. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7988. bnx2x_cl45_write(bp, phy,
  7989. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7990. 0x0400);
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7993. 0x0004);
  7994. }
  7995. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7996. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7997. * power mode, if TX Laser is disabled
  7998. */
  7999. tx_en_mode = REG_RD(bp, params->shmem_base +
  8000. offsetof(struct shmem_region,
  8001. dev_info.port_hw_config[params->port].sfp_ctrl))
  8002. & PORT_HW_CFG_TX_LASER_MASK;
  8003. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8004. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8005. bnx2x_cl45_read(bp, phy,
  8006. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  8007. tmp1 |= 0x1;
  8008. bnx2x_cl45_write(bp, phy,
  8009. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  8010. }
  8011. return 0;
  8012. }
  8013. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  8014. struct link_params *params,
  8015. struct link_vars *vars)
  8016. {
  8017. return bnx2x_8706_8726_read_status(phy, params, vars);
  8018. }
  8019. /******************************************************************/
  8020. /* BCM8726 PHY SECTION */
  8021. /******************************************************************/
  8022. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  8023. struct link_params *params)
  8024. {
  8025. struct bnx2x *bp = params->bp;
  8026. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  8027. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  8028. }
  8029. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  8030. struct link_params *params)
  8031. {
  8032. struct bnx2x *bp = params->bp;
  8033. /* Need to wait 100ms after reset */
  8034. msleep(100);
  8035. /* Micro controller re-boot */
  8036. bnx2x_cl45_write(bp, phy,
  8037. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  8038. /* Set soft reset */
  8039. bnx2x_cl45_write(bp, phy,
  8040. MDIO_PMA_DEVAD,
  8041. MDIO_PMA_REG_GEN_CTRL,
  8042. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  8043. bnx2x_cl45_write(bp, phy,
  8044. MDIO_PMA_DEVAD,
  8045. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  8046. bnx2x_cl45_write(bp, phy,
  8047. MDIO_PMA_DEVAD,
  8048. MDIO_PMA_REG_GEN_CTRL,
  8049. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  8050. /* Wait for 150ms for microcode load */
  8051. msleep(150);
  8052. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  8053. bnx2x_cl45_write(bp, phy,
  8054. MDIO_PMA_DEVAD,
  8055. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  8056. msleep(200);
  8057. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  8058. }
  8059. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  8060. struct link_params *params,
  8061. struct link_vars *vars)
  8062. {
  8063. struct bnx2x *bp = params->bp;
  8064. u16 val1;
  8065. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  8066. if (link_up) {
  8067. bnx2x_cl45_read(bp, phy,
  8068. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8069. &val1);
  8070. if (val1 & (1<<15)) {
  8071. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8072. link_up = 0;
  8073. vars->line_speed = 0;
  8074. }
  8075. }
  8076. return link_up;
  8077. }
  8078. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  8079. struct link_params *params,
  8080. struct link_vars *vars)
  8081. {
  8082. struct bnx2x *bp = params->bp;
  8083. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  8084. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8085. bnx2x_wait_reset_complete(bp, phy, params);
  8086. bnx2x_8726_external_rom_boot(phy, params);
  8087. /* Need to call module detected on initialization since the module
  8088. * detection triggered by actual module insertion might occur before
  8089. * driver is loaded, and when driver is loaded, it reset all
  8090. * registers, including the transmitter
  8091. */
  8092. bnx2x_sfp_module_detection(phy, params);
  8093. if (phy->req_line_speed == SPEED_1000) {
  8094. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8095. bnx2x_cl45_write(bp, phy,
  8096. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8099. bnx2x_cl45_write(bp, phy,
  8100. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  8101. bnx2x_cl45_write(bp, phy,
  8102. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8103. 0x400);
  8104. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8105. (phy->speed_cap_mask &
  8106. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  8107. ((phy->speed_cap_mask &
  8108. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8109. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8110. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8111. /* Set Flow control */
  8112. bnx2x_ext_phy_set_pause(params, phy, vars);
  8113. bnx2x_cl45_write(bp, phy,
  8114. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  8115. bnx2x_cl45_write(bp, phy,
  8116. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8117. bnx2x_cl45_write(bp, phy,
  8118. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8119. bnx2x_cl45_write(bp, phy,
  8120. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8121. bnx2x_cl45_write(bp, phy,
  8122. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8123. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8124. * change
  8125. */
  8126. bnx2x_cl45_write(bp, phy,
  8127. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8128. bnx2x_cl45_write(bp, phy,
  8129. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8130. 0x400);
  8131. } else { /* Default 10G. Set only LASI control */
  8132. bnx2x_cl45_write(bp, phy,
  8133. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8134. }
  8135. /* Set TX PreEmphasis if needed */
  8136. if ((params->feature_config_flags &
  8137. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8138. DP(NETIF_MSG_LINK,
  8139. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8140. phy->tx_preemphasis[0],
  8141. phy->tx_preemphasis[1]);
  8142. bnx2x_cl45_write(bp, phy,
  8143. MDIO_PMA_DEVAD,
  8144. MDIO_PMA_REG_8726_TX_CTRL1,
  8145. phy->tx_preemphasis[0]);
  8146. bnx2x_cl45_write(bp, phy,
  8147. MDIO_PMA_DEVAD,
  8148. MDIO_PMA_REG_8726_TX_CTRL2,
  8149. phy->tx_preemphasis[1]);
  8150. }
  8151. return 0;
  8152. }
  8153. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8154. struct link_params *params)
  8155. {
  8156. struct bnx2x *bp = params->bp;
  8157. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8158. /* Set serial boot control for external load */
  8159. bnx2x_cl45_write(bp, phy,
  8160. MDIO_PMA_DEVAD,
  8161. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8162. }
  8163. /******************************************************************/
  8164. /* BCM8727 PHY SECTION */
  8165. /******************************************************************/
  8166. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8167. struct link_params *params, u8 mode)
  8168. {
  8169. struct bnx2x *bp = params->bp;
  8170. u16 led_mode_bitmask = 0;
  8171. u16 gpio_pins_bitmask = 0;
  8172. u16 val;
  8173. /* Only NOC flavor requires to set the LED specifically */
  8174. if (!(phy->flags & FLAGS_NOC))
  8175. return;
  8176. switch (mode) {
  8177. case LED_MODE_FRONT_PANEL_OFF:
  8178. case LED_MODE_OFF:
  8179. led_mode_bitmask = 0;
  8180. gpio_pins_bitmask = 0x03;
  8181. break;
  8182. case LED_MODE_ON:
  8183. led_mode_bitmask = 0;
  8184. gpio_pins_bitmask = 0x02;
  8185. break;
  8186. case LED_MODE_OPER:
  8187. led_mode_bitmask = 0x60;
  8188. gpio_pins_bitmask = 0x11;
  8189. break;
  8190. }
  8191. bnx2x_cl45_read(bp, phy,
  8192. MDIO_PMA_DEVAD,
  8193. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8194. &val);
  8195. val &= 0xff8f;
  8196. val |= led_mode_bitmask;
  8197. bnx2x_cl45_write(bp, phy,
  8198. MDIO_PMA_DEVAD,
  8199. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8200. val);
  8201. bnx2x_cl45_read(bp, phy,
  8202. MDIO_PMA_DEVAD,
  8203. MDIO_PMA_REG_8727_GPIO_CTRL,
  8204. &val);
  8205. val &= 0xffe0;
  8206. val |= gpio_pins_bitmask;
  8207. bnx2x_cl45_write(bp, phy,
  8208. MDIO_PMA_DEVAD,
  8209. MDIO_PMA_REG_8727_GPIO_CTRL,
  8210. val);
  8211. }
  8212. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8213. struct link_params *params) {
  8214. u32 swap_val, swap_override;
  8215. u8 port;
  8216. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8217. * to cancel the swap done in set_gpio()
  8218. */
  8219. struct bnx2x *bp = params->bp;
  8220. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8221. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8222. port = (swap_val && swap_override) ^ 1;
  8223. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8224. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8225. }
  8226. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8227. struct link_params *params)
  8228. {
  8229. struct bnx2x *bp = params->bp;
  8230. u16 tmp1, val;
  8231. /* Set option 1G speed */
  8232. if ((phy->req_line_speed == SPEED_1000) ||
  8233. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8234. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8235. bnx2x_cl45_write(bp, phy,
  8236. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8237. bnx2x_cl45_write(bp, phy,
  8238. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8239. bnx2x_cl45_read(bp, phy,
  8240. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8241. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8242. /* Power down the XAUI until link is up in case of dual-media
  8243. * and 1G
  8244. */
  8245. if (DUAL_MEDIA(params)) {
  8246. bnx2x_cl45_read(bp, phy,
  8247. MDIO_PMA_DEVAD,
  8248. MDIO_PMA_REG_8727_PCS_GP, &val);
  8249. val |= (3<<10);
  8250. bnx2x_cl45_write(bp, phy,
  8251. MDIO_PMA_DEVAD,
  8252. MDIO_PMA_REG_8727_PCS_GP, val);
  8253. }
  8254. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8255. ((phy->speed_cap_mask &
  8256. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8257. ((phy->speed_cap_mask &
  8258. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8259. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8260. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8261. bnx2x_cl45_write(bp, phy,
  8262. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8263. bnx2x_cl45_write(bp, phy,
  8264. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8265. } else {
  8266. /* Since the 8727 has only single reset pin, need to set the 10G
  8267. * registers although it is default
  8268. */
  8269. bnx2x_cl45_write(bp, phy,
  8270. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8271. 0x0020);
  8272. bnx2x_cl45_write(bp, phy,
  8273. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8274. bnx2x_cl45_write(bp, phy,
  8275. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8276. bnx2x_cl45_write(bp, phy,
  8277. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8278. 0x0008);
  8279. }
  8280. }
  8281. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8282. struct link_params *params,
  8283. struct link_vars *vars)
  8284. {
  8285. u32 tx_en_mode;
  8286. u16 tmp1, mod_abs, tmp2;
  8287. struct bnx2x *bp = params->bp;
  8288. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8289. bnx2x_wait_reset_complete(bp, phy, params);
  8290. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8291. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8292. /* Initially configure MOD_ABS to interrupt when module is
  8293. * presence( bit 8)
  8294. */
  8295. bnx2x_cl45_read(bp, phy,
  8296. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8297. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8298. * When the EDC is off it locks onto a reference clock and avoids
  8299. * becoming 'lost'
  8300. */
  8301. mod_abs &= ~(1<<8);
  8302. if (!(phy->flags & FLAGS_NOC))
  8303. mod_abs &= ~(1<<9);
  8304. bnx2x_cl45_write(bp, phy,
  8305. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8306. /* Enable/Disable PHY transmitter output */
  8307. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8308. bnx2x_8727_power_module(bp, phy, 1);
  8309. bnx2x_cl45_read(bp, phy,
  8310. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8311. bnx2x_cl45_read(bp, phy,
  8312. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8313. bnx2x_8727_config_speed(phy, params);
  8314. /* Set TX PreEmphasis if needed */
  8315. if ((params->feature_config_flags &
  8316. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8317. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8318. phy->tx_preemphasis[0],
  8319. phy->tx_preemphasis[1]);
  8320. bnx2x_cl45_write(bp, phy,
  8321. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8322. phy->tx_preemphasis[0]);
  8323. bnx2x_cl45_write(bp, phy,
  8324. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8325. phy->tx_preemphasis[1]);
  8326. }
  8327. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8328. * power mode, if TX Laser is disabled
  8329. */
  8330. tx_en_mode = REG_RD(bp, params->shmem_base +
  8331. offsetof(struct shmem_region,
  8332. dev_info.port_hw_config[params->port].sfp_ctrl))
  8333. & PORT_HW_CFG_TX_LASER_MASK;
  8334. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8335. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8336. bnx2x_cl45_read(bp, phy,
  8337. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8338. tmp2 |= 0x1000;
  8339. tmp2 &= 0xFFEF;
  8340. bnx2x_cl45_write(bp, phy,
  8341. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8342. bnx2x_cl45_read(bp, phy,
  8343. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8344. &tmp2);
  8345. bnx2x_cl45_write(bp, phy,
  8346. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8347. (tmp2 & 0x7fff));
  8348. }
  8349. return 0;
  8350. }
  8351. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8352. struct link_params *params)
  8353. {
  8354. struct bnx2x *bp = params->bp;
  8355. u16 mod_abs, rx_alarm_status;
  8356. u32 val = REG_RD(bp, params->shmem_base +
  8357. offsetof(struct shmem_region, dev_info.
  8358. port_feature_config[params->port].
  8359. config));
  8360. bnx2x_cl45_read(bp, phy,
  8361. MDIO_PMA_DEVAD,
  8362. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8363. if (mod_abs & (1<<8)) {
  8364. /* Module is absent */
  8365. DP(NETIF_MSG_LINK,
  8366. "MOD_ABS indication show module is absent\n");
  8367. phy->media_type = ETH_PHY_NOT_PRESENT;
  8368. /* 1. Set mod_abs to detect next module
  8369. * presence event
  8370. * 2. Set EDC off by setting OPTXLOS signal input to low
  8371. * (bit 9).
  8372. * When the EDC is off it locks onto a reference clock and
  8373. * avoids becoming 'lost'.
  8374. */
  8375. mod_abs &= ~(1<<8);
  8376. if (!(phy->flags & FLAGS_NOC))
  8377. mod_abs &= ~(1<<9);
  8378. bnx2x_cl45_write(bp, phy,
  8379. MDIO_PMA_DEVAD,
  8380. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8381. /* Clear RX alarm since it stays up as long as
  8382. * the mod_abs wasn't changed
  8383. */
  8384. bnx2x_cl45_read(bp, phy,
  8385. MDIO_PMA_DEVAD,
  8386. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8387. } else {
  8388. /* Module is present */
  8389. DP(NETIF_MSG_LINK,
  8390. "MOD_ABS indication show module is present\n");
  8391. /* First disable transmitter, and if the module is ok, the
  8392. * module_detection will enable it
  8393. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8394. * 2. Restore the default polarity of the OPRXLOS signal and
  8395. * this signal will then correctly indicate the presence or
  8396. * absence of the Rx signal. (bit 9)
  8397. */
  8398. mod_abs |= (1<<8);
  8399. if (!(phy->flags & FLAGS_NOC))
  8400. mod_abs |= (1<<9);
  8401. bnx2x_cl45_write(bp, phy,
  8402. MDIO_PMA_DEVAD,
  8403. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8404. /* Clear RX alarm since it stays up as long as the mod_abs
  8405. * wasn't changed. This is need to be done before calling the
  8406. * module detection, otherwise it will clear* the link update
  8407. * alarm
  8408. */
  8409. bnx2x_cl45_read(bp, phy,
  8410. MDIO_PMA_DEVAD,
  8411. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8412. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8413. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8414. bnx2x_sfp_set_transmitter(params, phy, 0);
  8415. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8416. bnx2x_sfp_module_detection(phy, params);
  8417. else
  8418. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8419. /* Reconfigure link speed based on module type limitations */
  8420. bnx2x_8727_config_speed(phy, params);
  8421. }
  8422. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8423. rx_alarm_status);
  8424. /* No need to check link status in case of module plugged in/out */
  8425. }
  8426. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8427. struct link_params *params,
  8428. struct link_vars *vars)
  8429. {
  8430. struct bnx2x *bp = params->bp;
  8431. u8 link_up = 0, oc_port = params->port;
  8432. u16 link_status = 0;
  8433. u16 rx_alarm_status, lasi_ctrl, val1;
  8434. /* If PHY is not initialized, do not check link status */
  8435. bnx2x_cl45_read(bp, phy,
  8436. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8437. &lasi_ctrl);
  8438. if (!lasi_ctrl)
  8439. return 0;
  8440. /* Check the LASI on Rx */
  8441. bnx2x_cl45_read(bp, phy,
  8442. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8443. &rx_alarm_status);
  8444. vars->line_speed = 0;
  8445. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8446. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8447. MDIO_PMA_LASI_TXCTRL);
  8448. bnx2x_cl45_read(bp, phy,
  8449. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8450. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8451. /* Clear MSG-OUT */
  8452. bnx2x_cl45_read(bp, phy,
  8453. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8454. /* If a module is present and there is need to check
  8455. * for over current
  8456. */
  8457. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8458. /* Check over-current using 8727 GPIO0 input*/
  8459. bnx2x_cl45_read(bp, phy,
  8460. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8461. &val1);
  8462. if ((val1 & (1<<8)) == 0) {
  8463. if (!CHIP_IS_E1x(bp))
  8464. oc_port = BP_PATH(bp) + (params->port << 1);
  8465. DP(NETIF_MSG_LINK,
  8466. "8727 Power fault has been detected on port %d\n",
  8467. oc_port);
  8468. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8469. "been detected and the power to "
  8470. "that SFP+ module has been removed "
  8471. "to prevent failure of the card. "
  8472. "Please remove the SFP+ module and "
  8473. "restart the system to clear this "
  8474. "error.\n",
  8475. oc_port);
  8476. /* Disable all RX_ALARMs except for mod_abs */
  8477. bnx2x_cl45_write(bp, phy,
  8478. MDIO_PMA_DEVAD,
  8479. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8480. bnx2x_cl45_read(bp, phy,
  8481. MDIO_PMA_DEVAD,
  8482. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8483. /* Wait for module_absent_event */
  8484. val1 |= (1<<8);
  8485. bnx2x_cl45_write(bp, phy,
  8486. MDIO_PMA_DEVAD,
  8487. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8488. /* Clear RX alarm */
  8489. bnx2x_cl45_read(bp, phy,
  8490. MDIO_PMA_DEVAD,
  8491. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8492. bnx2x_8727_power_module(params->bp, phy, 0);
  8493. return 0;
  8494. }
  8495. } /* Over current check */
  8496. /* When module absent bit is set, check module */
  8497. if (rx_alarm_status & (1<<5)) {
  8498. bnx2x_8727_handle_mod_abs(phy, params);
  8499. /* Enable all mod_abs and link detection bits */
  8500. bnx2x_cl45_write(bp, phy,
  8501. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8502. ((1<<5) | (1<<2)));
  8503. }
  8504. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8505. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8506. bnx2x_sfp_set_transmitter(params, phy, 1);
  8507. } else {
  8508. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8509. return 0;
  8510. }
  8511. bnx2x_cl45_read(bp, phy,
  8512. MDIO_PMA_DEVAD,
  8513. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8514. /* Bits 0..2 --> speed detected,
  8515. * Bits 13..15--> link is down
  8516. */
  8517. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8518. link_up = 1;
  8519. vars->line_speed = SPEED_10000;
  8520. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8521. params->port);
  8522. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8523. link_up = 1;
  8524. vars->line_speed = SPEED_1000;
  8525. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8526. params->port);
  8527. } else {
  8528. link_up = 0;
  8529. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8530. params->port);
  8531. }
  8532. /* Capture 10G link fault. */
  8533. if (vars->line_speed == SPEED_10000) {
  8534. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8535. MDIO_PMA_LASI_TXSTAT, &val1);
  8536. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8537. MDIO_PMA_LASI_TXSTAT, &val1);
  8538. if (val1 & (1<<0)) {
  8539. vars->fault_detected = 1;
  8540. }
  8541. }
  8542. if (link_up) {
  8543. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8544. vars->duplex = DUPLEX_FULL;
  8545. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8546. }
  8547. if ((DUAL_MEDIA(params)) &&
  8548. (phy->req_line_speed == SPEED_1000)) {
  8549. bnx2x_cl45_read(bp, phy,
  8550. MDIO_PMA_DEVAD,
  8551. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8552. /* In case of dual-media board and 1G, power up the XAUI side,
  8553. * otherwise power it down. For 10G it is done automatically
  8554. */
  8555. if (link_up)
  8556. val1 &= ~(3<<10);
  8557. else
  8558. val1 |= (3<<10);
  8559. bnx2x_cl45_write(bp, phy,
  8560. MDIO_PMA_DEVAD,
  8561. MDIO_PMA_REG_8727_PCS_GP, val1);
  8562. }
  8563. return link_up;
  8564. }
  8565. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8566. struct link_params *params)
  8567. {
  8568. struct bnx2x *bp = params->bp;
  8569. /* Enable/Disable PHY transmitter output */
  8570. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8571. /* Disable Transmitter */
  8572. bnx2x_sfp_set_transmitter(params, phy, 0);
  8573. /* Clear LASI */
  8574. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8575. }
  8576. /******************************************************************/
  8577. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8578. /******************************************************************/
  8579. static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
  8580. {
  8581. return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8582. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
  8583. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
  8584. }
  8585. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8586. struct bnx2x *bp,
  8587. u8 port)
  8588. {
  8589. u16 val, fw_ver2, cnt, i;
  8590. static struct bnx2x_reg_set reg_set[] = {
  8591. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8592. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8593. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8594. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8595. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8596. };
  8597. u16 fw_ver1;
  8598. if (bnx2x_is_8483x_8485x(phy)) {
  8599. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8600. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
  8601. fw_ver1 &= 0xfff;
  8602. bnx2x_save_spirom_version(bp, port, fw_ver1, phy->ver_addr);
  8603. } else {
  8604. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8605. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8606. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8607. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8608. reg_set[i].reg, reg_set[i].val);
  8609. for (cnt = 0; cnt < 100; cnt++) {
  8610. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8611. if (val & 1)
  8612. break;
  8613. udelay(5);
  8614. }
  8615. if (cnt == 100) {
  8616. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8617. "phy fw version(1)\n");
  8618. bnx2x_save_spirom_version(bp, port, 0,
  8619. phy->ver_addr);
  8620. return;
  8621. }
  8622. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8623. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8624. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8625. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8626. for (cnt = 0; cnt < 100; cnt++) {
  8627. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8628. if (val & 1)
  8629. break;
  8630. udelay(5);
  8631. }
  8632. if (cnt == 100) {
  8633. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8634. "version(2)\n");
  8635. bnx2x_save_spirom_version(bp, port, 0,
  8636. phy->ver_addr);
  8637. return;
  8638. }
  8639. /* lower 16 bits of the register SPI_FW_STATUS */
  8640. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8641. /* upper 16 bits of register SPI_FW_STATUS */
  8642. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8643. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8644. phy->ver_addr);
  8645. }
  8646. }
  8647. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8648. struct bnx2x_phy *phy)
  8649. {
  8650. u16 val, led3_blink_rate, offset, i;
  8651. static struct bnx2x_reg_set reg_set[] = {
  8652. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8653. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8654. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8655. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8656. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8657. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8658. };
  8659. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  8660. /* Set LED5 source */
  8661. bnx2x_cl45_write(bp, phy,
  8662. MDIO_PMA_DEVAD,
  8663. MDIO_PMA_REG_8481_LED5_MASK,
  8664. 0x90);
  8665. led3_blink_rate = 0x000f;
  8666. } else {
  8667. led3_blink_rate = 0x0000;
  8668. }
  8669. /* Set LED3 BLINK */
  8670. bnx2x_cl45_write(bp, phy,
  8671. MDIO_PMA_DEVAD,
  8672. MDIO_PMA_REG_8481_LED3_BLINK,
  8673. led3_blink_rate);
  8674. /* PHYC_CTL_LED_CTL */
  8675. bnx2x_cl45_read(bp, phy,
  8676. MDIO_PMA_DEVAD,
  8677. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8678. val &= 0xFE00;
  8679. val |= 0x0092;
  8680. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
  8681. val |= 2 << 12; /* LED5 ON based on source */
  8682. bnx2x_cl45_write(bp, phy,
  8683. MDIO_PMA_DEVAD,
  8684. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8685. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8686. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8687. reg_set[i].val);
  8688. if (bnx2x_is_8483x_8485x(phy))
  8689. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8690. else
  8691. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8692. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858)
  8693. val = MDIO_PMA_REG_84858_ALLOW_GPHY_ACT |
  8694. MDIO_PMA_REG_84823_LED3_STRETCH_EN;
  8695. else
  8696. val = MDIO_PMA_REG_84823_LED3_STRETCH_EN;
  8697. /* stretch_en for LEDs */
  8698. bnx2x_cl45_read_or_write(bp, phy,
  8699. MDIO_PMA_DEVAD,
  8700. offset,
  8701. val);
  8702. }
  8703. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8704. struct link_params *params,
  8705. u32 action)
  8706. {
  8707. struct bnx2x *bp = params->bp;
  8708. switch (action) {
  8709. case PHY_INIT:
  8710. if (bnx2x_is_8483x_8485x(phy)) {
  8711. /* Save spirom version */
  8712. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8713. }
  8714. /* This phy uses the NIG latch mechanism since link indication
  8715. * arrives through its LED4 and not via its LASI signal, so we
  8716. * get steady signal instead of clear on read
  8717. */
  8718. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8719. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8720. bnx2x_848xx_set_led(bp, phy);
  8721. break;
  8722. }
  8723. }
  8724. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8725. struct link_params *params,
  8726. struct link_vars *vars)
  8727. {
  8728. struct bnx2x *bp = params->bp;
  8729. u16 autoneg_val, an_1000_val, an_10_100_val;
  8730. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8731. bnx2x_cl45_write(bp, phy,
  8732. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8733. /* set 1000 speed advertisement */
  8734. bnx2x_cl45_read(bp, phy,
  8735. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8736. &an_1000_val);
  8737. bnx2x_ext_phy_set_pause(params, phy, vars);
  8738. bnx2x_cl45_read(bp, phy,
  8739. MDIO_AN_DEVAD,
  8740. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8741. &an_10_100_val);
  8742. bnx2x_cl45_read(bp, phy,
  8743. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8744. &autoneg_val);
  8745. /* Disable forced speed */
  8746. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8747. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8748. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8749. (phy->speed_cap_mask &
  8750. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8751. (phy->req_line_speed == SPEED_1000)) {
  8752. an_1000_val |= (1<<8);
  8753. autoneg_val |= (1<<9 | 1<<12);
  8754. if (phy->req_duplex == DUPLEX_FULL)
  8755. an_1000_val |= (1<<9);
  8756. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8757. } else
  8758. an_1000_val &= ~((1<<8) | (1<<9));
  8759. bnx2x_cl45_write(bp, phy,
  8760. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8761. an_1000_val);
  8762. /* Set 10/100 speed advertisement */
  8763. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8764. if (phy->speed_cap_mask &
  8765. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8766. /* Enable autoneg and restart autoneg for legacy speeds
  8767. */
  8768. autoneg_val |= (1<<9 | 1<<12);
  8769. an_10_100_val |= (1<<8);
  8770. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8771. }
  8772. if (phy->speed_cap_mask &
  8773. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8774. /* Enable autoneg and restart autoneg for legacy speeds
  8775. */
  8776. autoneg_val |= (1<<9 | 1<<12);
  8777. an_10_100_val |= (1<<7);
  8778. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8779. }
  8780. if ((phy->speed_cap_mask &
  8781. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8782. (phy->supported & SUPPORTED_10baseT_Full)) {
  8783. an_10_100_val |= (1<<6);
  8784. autoneg_val |= (1<<9 | 1<<12);
  8785. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8786. }
  8787. if ((phy->speed_cap_mask &
  8788. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8789. (phy->supported & SUPPORTED_10baseT_Half)) {
  8790. an_10_100_val |= (1<<5);
  8791. autoneg_val |= (1<<9 | 1<<12);
  8792. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8793. }
  8794. }
  8795. /* Only 10/100 are allowed to work in FORCE mode */
  8796. if ((phy->req_line_speed == SPEED_100) &&
  8797. (phy->supported &
  8798. (SUPPORTED_100baseT_Half |
  8799. SUPPORTED_100baseT_Full))) {
  8800. autoneg_val |= (1<<13);
  8801. /* Enabled AUTO-MDIX when autoneg is disabled */
  8802. bnx2x_cl45_write(bp, phy,
  8803. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8804. (1<<15 | 1<<9 | 7<<0));
  8805. /* The PHY needs this set even for forced link. */
  8806. an_10_100_val |= (1<<8) | (1<<7);
  8807. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8808. }
  8809. if ((phy->req_line_speed == SPEED_10) &&
  8810. (phy->supported &
  8811. (SUPPORTED_10baseT_Half |
  8812. SUPPORTED_10baseT_Full))) {
  8813. /* Enabled AUTO-MDIX when autoneg is disabled */
  8814. bnx2x_cl45_write(bp, phy,
  8815. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8816. (1<<15 | 1<<9 | 7<<0));
  8817. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8818. }
  8819. bnx2x_cl45_write(bp, phy,
  8820. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8821. an_10_100_val);
  8822. if (phy->req_duplex == DUPLEX_FULL)
  8823. autoneg_val |= (1<<8);
  8824. /* Always write this if this is not 84833/4.
  8825. * For 84833/4, write it only when it's a forced speed.
  8826. */
  8827. if (!bnx2x_is_8483x_8485x(phy) ||
  8828. ((autoneg_val & (1<<12)) == 0))
  8829. bnx2x_cl45_write(bp, phy,
  8830. MDIO_AN_DEVAD,
  8831. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8832. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8833. (phy->speed_cap_mask &
  8834. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8835. (phy->req_line_speed == SPEED_10000)) {
  8836. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8837. /* Restart autoneg for 10G*/
  8838. bnx2x_cl45_read_or_write(
  8839. bp, phy,
  8840. MDIO_AN_DEVAD,
  8841. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8842. 0x1000);
  8843. bnx2x_cl45_write(bp, phy,
  8844. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8845. 0x3200);
  8846. } else
  8847. bnx2x_cl45_write(bp, phy,
  8848. MDIO_AN_DEVAD,
  8849. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8850. 1);
  8851. return 0;
  8852. }
  8853. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8854. struct link_params *params,
  8855. struct link_vars *vars)
  8856. {
  8857. struct bnx2x *bp = params->bp;
  8858. /* Restore normal power mode*/
  8859. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8860. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8861. /* HW reset */
  8862. bnx2x_ext_phy_hw_reset(bp, params->port);
  8863. bnx2x_wait_reset_complete(bp, phy, params);
  8864. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8865. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8866. }
  8867. #define PHY848xx_CMDHDLR_WAIT 300
  8868. #define PHY848xx_CMDHDLR_MAX_ARGS 5
  8869. static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
  8870. struct link_params *params,
  8871. u16 fw_cmd,
  8872. u16 cmd_args[], int argc)
  8873. {
  8874. int idx;
  8875. u16 val;
  8876. struct bnx2x *bp = params->bp;
  8877. /* Step 1: Poll the STATUS register to see whether the previous command
  8878. * is in progress or the system is busy (CMD_IN_PROGRESS or
  8879. * SYSTEM_BUSY). If previous command is in progress or system is busy,
  8880. * check again until the previous command finishes execution and the
  8881. * system is available for taking command
  8882. */
  8883. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8884. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8885. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8886. if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
  8887. (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
  8888. break;
  8889. usleep_range(1000, 2000);
  8890. }
  8891. if (idx >= PHY848xx_CMDHDLR_WAIT) {
  8892. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8893. return -EINVAL;
  8894. }
  8895. /* Step2: If any parameters are required for the function, write them
  8896. * to the required DATA registers
  8897. */
  8898. for (idx = 0; idx < argc; idx++) {
  8899. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8900. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8901. cmd_args[idx]);
  8902. }
  8903. /* Step3: When the firmware is ready for commands, write the 'Command
  8904. * code' to the CMD register
  8905. */
  8906. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8907. MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
  8908. /* Step4: Once the command has been written, poll the STATUS register
  8909. * to check whether the command has completed (CMD_COMPLETED_PASS/
  8910. * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
  8911. */
  8912. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8913. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8914. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8915. if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
  8916. (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
  8917. break;
  8918. usleep_range(1000, 2000);
  8919. }
  8920. if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
  8921. (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
  8922. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8923. return -EINVAL;
  8924. }
  8925. /* Step5: Once the command has completed, read the specficied DATA
  8926. * registers for any saved results for the command, if applicable
  8927. */
  8928. /* Gather returning data */
  8929. for (idx = 0; idx < argc; idx++) {
  8930. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8931. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8932. &cmd_args[idx]);
  8933. }
  8934. return 0;
  8935. }
  8936. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8937. struct link_params *params, u16 fw_cmd,
  8938. u16 cmd_args[], int argc, int process)
  8939. {
  8940. int idx;
  8941. u16 val;
  8942. struct bnx2x *bp = params->bp;
  8943. int rc = 0;
  8944. if (process == PHY84833_MB_PROCESS2) {
  8945. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8946. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8947. MDIO_848xx_CMD_HDLR_STATUS,
  8948. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8949. }
  8950. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8951. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8952. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8953. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8954. break;
  8955. usleep_range(1000, 2000);
  8956. }
  8957. if (idx >= PHY848xx_CMDHDLR_WAIT) {
  8958. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8959. /* if the status is CMD_COMPLETE_PASS or CMD_COMPLETE_ERROR
  8960. * clear the status to CMD_CLEAR_COMPLETE
  8961. */
  8962. if (val == PHY84833_STATUS_CMD_COMPLETE_PASS ||
  8963. val == PHY84833_STATUS_CMD_COMPLETE_ERROR) {
  8964. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8965. MDIO_848xx_CMD_HDLR_STATUS,
  8966. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8967. }
  8968. return -EINVAL;
  8969. }
  8970. if (process == PHY84833_MB_PROCESS1 ||
  8971. process == PHY84833_MB_PROCESS2) {
  8972. /* Prepare argument(s) */
  8973. for (idx = 0; idx < argc; idx++) {
  8974. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8975. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8976. cmd_args[idx]);
  8977. }
  8978. }
  8979. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8980. MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
  8981. for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
  8982. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8983. MDIO_848xx_CMD_HDLR_STATUS, &val);
  8984. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8985. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8986. break;
  8987. usleep_range(1000, 2000);
  8988. }
  8989. if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
  8990. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8991. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8992. rc = -EINVAL;
  8993. }
  8994. if (process == PHY84833_MB_PROCESS3 && rc == 0) {
  8995. /* Gather returning data */
  8996. for (idx = 0; idx < argc; idx++) {
  8997. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8998. MDIO_848xx_CMD_HDLR_DATA1 + idx,
  8999. &cmd_args[idx]);
  9000. }
  9001. }
  9002. if (val == PHY84833_STATUS_CMD_COMPLETE_ERROR ||
  9003. val == PHY84833_STATUS_CMD_COMPLETE_PASS) {
  9004. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9005. MDIO_848xx_CMD_HDLR_STATUS,
  9006. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  9007. }
  9008. return rc;
  9009. }
  9010. static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
  9011. struct link_params *params,
  9012. u16 fw_cmd,
  9013. u16 cmd_args[], int argc,
  9014. int process)
  9015. {
  9016. struct bnx2x *bp = params->bp;
  9017. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
  9018. (REG_RD(bp, params->shmem2_base +
  9019. offsetof(struct shmem2_region,
  9020. link_attr_sync[params->port])) &
  9021. LINK_ATTR_84858)) {
  9022. return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
  9023. argc);
  9024. } else {
  9025. return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
  9026. argc, process);
  9027. }
  9028. }
  9029. static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
  9030. struct link_params *params,
  9031. struct link_vars *vars)
  9032. {
  9033. u32 pair_swap;
  9034. u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
  9035. int status;
  9036. struct bnx2x *bp = params->bp;
  9037. /* Check for configuration. */
  9038. pair_swap = REG_RD(bp, params->shmem_base +
  9039. offsetof(struct shmem_region,
  9040. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  9041. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  9042. if (pair_swap == 0)
  9043. return 0;
  9044. /* Only the second argument is used for this command */
  9045. data[1] = (u16)pair_swap;
  9046. status = bnx2x_848xx_cmd_hdlr(phy, params,
  9047. PHY848xx_CMD_SET_PAIR_SWAP, data,
  9048. 2, PHY84833_MB_PROCESS2);
  9049. if (status == 0)
  9050. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  9051. return status;
  9052. }
  9053. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  9054. u32 shmem_base_path[],
  9055. u32 chip_id)
  9056. {
  9057. u32 reset_pin[2];
  9058. u32 idx;
  9059. u8 reset_gpios;
  9060. if (CHIP_IS_E3(bp)) {
  9061. /* Assume that these will be GPIOs, not EPIOs. */
  9062. for (idx = 0; idx < 2; idx++) {
  9063. /* Map config param to register bit. */
  9064. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  9065. offsetof(struct shmem_region,
  9066. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  9067. reset_pin[idx] = (reset_pin[idx] &
  9068. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9069. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9070. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  9071. reset_pin[idx] = (1 << reset_pin[idx]);
  9072. }
  9073. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  9074. } else {
  9075. /* E2, look from diff place of shmem. */
  9076. for (idx = 0; idx < 2; idx++) {
  9077. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  9078. offsetof(struct shmem_region,
  9079. dev_info.port_hw_config[0].default_cfg));
  9080. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  9081. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  9082. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  9083. reset_pin[idx] = (1 << reset_pin[idx]);
  9084. }
  9085. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  9086. }
  9087. return reset_gpios;
  9088. }
  9089. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  9090. struct link_params *params)
  9091. {
  9092. struct bnx2x *bp = params->bp;
  9093. u8 reset_gpios;
  9094. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  9095. offsetof(struct shmem2_region,
  9096. other_shmem_base_addr));
  9097. u32 shmem_base_path[2];
  9098. /* Work around for 84833 LED failure inside RESET status */
  9099. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9100. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  9101. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  9102. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9103. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  9104. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  9105. shmem_base_path[0] = params->shmem_base;
  9106. shmem_base_path[1] = other_shmem_base_addr;
  9107. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  9108. params->chip_id);
  9109. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  9110. udelay(10);
  9111. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  9112. reset_gpios);
  9113. return 0;
  9114. }
  9115. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  9116. struct link_params *params,
  9117. struct link_vars *vars)
  9118. {
  9119. int rc;
  9120. struct bnx2x *bp = params->bp;
  9121. u16 cmd_args = 0;
  9122. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  9123. /* Prevent Phy from working in EEE and advertising it */
  9124. rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
  9125. &cmd_args, 1, PHY84833_MB_PROCESS1);
  9126. if (rc) {
  9127. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  9128. return rc;
  9129. }
  9130. return bnx2x_eee_disable(phy, params, vars);
  9131. }
  9132. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  9133. struct link_params *params,
  9134. struct link_vars *vars)
  9135. {
  9136. int rc;
  9137. struct bnx2x *bp = params->bp;
  9138. u16 cmd_args = 1;
  9139. rc = bnx2x_848xx_cmd_hdlr(phy, params, PHY848xx_CMD_SET_EEE_MODE,
  9140. &cmd_args, 1, PHY84833_MB_PROCESS1);
  9141. if (rc) {
  9142. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  9143. return rc;
  9144. }
  9145. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  9146. }
  9147. #define PHY84833_CONSTANT_LATENCY 1193
  9148. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  9149. struct link_params *params,
  9150. struct link_vars *vars)
  9151. {
  9152. struct bnx2x *bp = params->bp;
  9153. u8 port, initialize = 1;
  9154. u16 val;
  9155. u32 actual_phy_selection;
  9156. u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
  9157. int rc = 0;
  9158. usleep_range(1000, 2000);
  9159. if (!(CHIP_IS_E1x(bp)))
  9160. port = BP_PATH(bp);
  9161. else
  9162. port = params->port;
  9163. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9164. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9165. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  9166. port);
  9167. } else {
  9168. /* MDIO reset */
  9169. bnx2x_cl45_write(bp, phy,
  9170. MDIO_PMA_DEVAD,
  9171. MDIO_PMA_REG_CTRL, 0x8000);
  9172. }
  9173. bnx2x_wait_reset_complete(bp, phy, params);
  9174. /* Wait for GPHY to come out of reset */
  9175. msleep(50);
  9176. if (!bnx2x_is_8483x_8485x(phy)) {
  9177. /* BCM84823 requires that XGXS links up first @ 10G for normal
  9178. * behavior.
  9179. */
  9180. u16 temp;
  9181. temp = vars->line_speed;
  9182. vars->line_speed = SPEED_10000;
  9183. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  9184. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  9185. vars->line_speed = temp;
  9186. }
  9187. /* Check if this is actually BCM84858 */
  9188. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9189. u16 hw_rev;
  9190. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9191. MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
  9192. if (hw_rev == BCM84858_PHY_ID) {
  9193. params->link_attr_sync |= LINK_ATTR_84858;
  9194. bnx2x_update_link_attr(params, params->link_attr_sync);
  9195. }
  9196. }
  9197. /* Set dual-media configuration according to configuration */
  9198. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9199. MDIO_CTL_REG_84823_MEDIA, &val);
  9200. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  9201. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  9202. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  9203. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  9204. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  9205. if (CHIP_IS_E3(bp)) {
  9206. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  9207. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  9208. } else {
  9209. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  9210. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  9211. }
  9212. actual_phy_selection = bnx2x_phy_selection(params);
  9213. switch (actual_phy_selection) {
  9214. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  9215. /* Do nothing. Essentially this is like the priority copper */
  9216. break;
  9217. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  9218. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  9219. break;
  9220. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  9221. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  9222. break;
  9223. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  9224. /* Do nothing here. The first PHY won't be initialized at all */
  9225. break;
  9226. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  9227. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  9228. initialize = 0;
  9229. break;
  9230. }
  9231. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  9232. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  9233. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9234. MDIO_CTL_REG_84823_MEDIA, val);
  9235. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  9236. params->multi_phy_config, val);
  9237. if (bnx2x_is_8483x_8485x(phy)) {
  9238. bnx2x_848xx_pair_swap_cfg(phy, params, vars);
  9239. /* Keep AutogrEEEn disabled. */
  9240. cmd_args[0] = 0x0;
  9241. cmd_args[1] = 0x0;
  9242. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  9243. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  9244. rc = bnx2x_848xx_cmd_hdlr(phy, params,
  9245. PHY848xx_CMD_SET_EEE_MODE, cmd_args,
  9246. 4, PHY84833_MB_PROCESS1);
  9247. if (rc)
  9248. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  9249. }
  9250. if (initialize)
  9251. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  9252. else
  9253. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  9254. /* 84833 PHY has a better feature and doesn't need to support this. */
  9255. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9256. u32 cms_enable = REG_RD(bp, params->shmem_base +
  9257. offsetof(struct shmem_region,
  9258. dev_info.port_hw_config[params->port].default_cfg)) &
  9259. PORT_HW_CFG_ENABLE_CMS_MASK;
  9260. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9261. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9262. if (cms_enable)
  9263. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9264. else
  9265. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9266. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9267. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9268. }
  9269. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9270. MDIO_84833_TOP_CFG_FW_REV, &val);
  9271. /* Configure EEE support */
  9272. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9273. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9274. bnx2x_eee_has_cap(params)) {
  9275. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9276. if (rc) {
  9277. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9278. bnx2x_8483x_disable_eee(phy, params, vars);
  9279. return rc;
  9280. }
  9281. if ((phy->req_duplex == DUPLEX_FULL) &&
  9282. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9283. (bnx2x_eee_calc_timer(params) ||
  9284. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9285. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9286. else
  9287. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9288. if (rc) {
  9289. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9290. return rc;
  9291. }
  9292. } else {
  9293. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9294. }
  9295. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  9296. /* Additional settings for jumbo packets in 1000BASE-T mode */
  9297. /* Allow rx extended length */
  9298. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9299. MDIO_AN_REG_8481_AUX_CTRL, &val);
  9300. val |= 0x4000;
  9301. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9302. MDIO_AN_REG_8481_AUX_CTRL, val);
  9303. /* TX FIFO Elasticity LSB */
  9304. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9305. MDIO_AN_REG_8481_1G_100T_EXT_CTRL, &val);
  9306. val |= 0x1;
  9307. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9308. MDIO_AN_REG_8481_1G_100T_EXT_CTRL, val);
  9309. /* TX FIFO Elasticity MSB */
  9310. /* Enable expansion register 0x46 (Pattern Generator status) */
  9311. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9312. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf46);
  9313. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9314. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, &val);
  9315. val |= 0x4000;
  9316. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9317. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW, val);
  9318. }
  9319. if (bnx2x_is_8483x_8485x(phy)) {
  9320. /* Bring PHY out of super isolate mode as the final step. */
  9321. bnx2x_cl45_read_and_write(bp, phy,
  9322. MDIO_CTL_DEVAD,
  9323. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9324. (u16)~MDIO_84833_SUPER_ISOLATE);
  9325. }
  9326. return rc;
  9327. }
  9328. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9329. struct link_params *params,
  9330. struct link_vars *vars)
  9331. {
  9332. struct bnx2x *bp = params->bp;
  9333. u16 val, val1, val2;
  9334. u8 link_up = 0;
  9335. /* Check 10G-BaseT link status */
  9336. /* Check PMD signal ok */
  9337. bnx2x_cl45_read(bp, phy,
  9338. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9339. bnx2x_cl45_read(bp, phy,
  9340. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9341. &val2);
  9342. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9343. /* Check link 10G */
  9344. if (val2 & (1<<11)) {
  9345. vars->line_speed = SPEED_10000;
  9346. vars->duplex = DUPLEX_FULL;
  9347. link_up = 1;
  9348. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9349. } else { /* Check Legacy speed link */
  9350. u16 legacy_status, legacy_speed;
  9351. /* Enable expansion register 0x42 (Operation mode status) */
  9352. bnx2x_cl45_write(bp, phy,
  9353. MDIO_AN_DEVAD,
  9354. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9355. /* Get legacy speed operation status */
  9356. bnx2x_cl45_read(bp, phy,
  9357. MDIO_AN_DEVAD,
  9358. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9359. &legacy_status);
  9360. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9361. legacy_status);
  9362. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9363. legacy_speed = (legacy_status & (3<<9));
  9364. if (legacy_speed == (0<<9))
  9365. vars->line_speed = SPEED_10;
  9366. else if (legacy_speed == (1<<9))
  9367. vars->line_speed = SPEED_100;
  9368. else if (legacy_speed == (2<<9))
  9369. vars->line_speed = SPEED_1000;
  9370. else { /* Should not happen: Treat as link down */
  9371. vars->line_speed = 0;
  9372. link_up = 0;
  9373. }
  9374. if (link_up) {
  9375. if (legacy_status & (1<<8))
  9376. vars->duplex = DUPLEX_FULL;
  9377. else
  9378. vars->duplex = DUPLEX_HALF;
  9379. DP(NETIF_MSG_LINK,
  9380. "Link is up in %dMbps, is_duplex_full= %d\n",
  9381. vars->line_speed,
  9382. (vars->duplex == DUPLEX_FULL));
  9383. /* Check legacy speed AN resolution */
  9384. bnx2x_cl45_read(bp, phy,
  9385. MDIO_AN_DEVAD,
  9386. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9387. &val);
  9388. if (val & (1<<5))
  9389. vars->link_status |=
  9390. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9391. bnx2x_cl45_read(bp, phy,
  9392. MDIO_AN_DEVAD,
  9393. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9394. &val);
  9395. if ((val & (1<<0)) == 0)
  9396. vars->link_status |=
  9397. LINK_STATUS_PARALLEL_DETECTION_USED;
  9398. }
  9399. }
  9400. if (link_up) {
  9401. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9402. vars->line_speed);
  9403. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9404. /* Read LP advertised speeds */
  9405. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9406. MDIO_AN_REG_CL37_FC_LP, &val);
  9407. if (val & (1<<5))
  9408. vars->link_status |=
  9409. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9410. if (val & (1<<6))
  9411. vars->link_status |=
  9412. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9413. if (val & (1<<7))
  9414. vars->link_status |=
  9415. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9416. if (val & (1<<8))
  9417. vars->link_status |=
  9418. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9419. if (val & (1<<9))
  9420. vars->link_status |=
  9421. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9422. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9423. MDIO_AN_REG_1000T_STATUS, &val);
  9424. if (val & (1<<10))
  9425. vars->link_status |=
  9426. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9427. if (val & (1<<11))
  9428. vars->link_status |=
  9429. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9430. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9431. MDIO_AN_REG_MASTER_STATUS, &val);
  9432. if (val & (1<<11))
  9433. vars->link_status |=
  9434. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9435. /* Determine if EEE was negotiated */
  9436. if (bnx2x_is_8483x_8485x(phy))
  9437. bnx2x_eee_an_resolve(phy, params, vars);
  9438. }
  9439. return link_up;
  9440. }
  9441. static int bnx2x_8485x_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9442. {
  9443. int status = 0;
  9444. u32 num;
  9445. num = ((raw_ver & 0xF80) >> 7) << 16 | ((raw_ver & 0x7F) << 8) |
  9446. ((raw_ver & 0xF000) >> 12);
  9447. status = bnx2x_3_seq_format_ver(num, str, len);
  9448. return status;
  9449. }
  9450. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9451. {
  9452. int status = 0;
  9453. u32 spirom_ver;
  9454. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9455. status = bnx2x_format_ver(spirom_ver, str, len);
  9456. return status;
  9457. }
  9458. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9459. struct link_params *params)
  9460. {
  9461. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9462. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9463. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9464. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9465. }
  9466. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9467. struct link_params *params)
  9468. {
  9469. bnx2x_cl45_write(params->bp, phy,
  9470. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9471. bnx2x_cl45_write(params->bp, phy,
  9472. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9473. }
  9474. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9475. struct link_params *params)
  9476. {
  9477. struct bnx2x *bp = params->bp;
  9478. u8 port;
  9479. u16 val16;
  9480. if (!(CHIP_IS_E1x(bp)))
  9481. port = BP_PATH(bp);
  9482. else
  9483. port = params->port;
  9484. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9485. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9486. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9487. port);
  9488. } else {
  9489. bnx2x_cl45_read(bp, phy,
  9490. MDIO_CTL_DEVAD,
  9491. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9492. val16 |= MDIO_84833_SUPER_ISOLATE;
  9493. bnx2x_cl45_write(bp, phy,
  9494. MDIO_CTL_DEVAD,
  9495. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9496. }
  9497. }
  9498. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9499. struct link_params *params, u8 mode)
  9500. {
  9501. struct bnx2x *bp = params->bp;
  9502. u16 val;
  9503. u8 port;
  9504. if (!(CHIP_IS_E1x(bp)))
  9505. port = BP_PATH(bp);
  9506. else
  9507. port = params->port;
  9508. switch (mode) {
  9509. case LED_MODE_OFF:
  9510. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9511. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9512. SHARED_HW_CFG_LED_EXTPHY1) {
  9513. /* Set LED masks */
  9514. bnx2x_cl45_write(bp, phy,
  9515. MDIO_PMA_DEVAD,
  9516. MDIO_PMA_REG_8481_LED1_MASK,
  9517. 0x0);
  9518. bnx2x_cl45_write(bp, phy,
  9519. MDIO_PMA_DEVAD,
  9520. MDIO_PMA_REG_8481_LED2_MASK,
  9521. 0x0);
  9522. bnx2x_cl45_write(bp, phy,
  9523. MDIO_PMA_DEVAD,
  9524. MDIO_PMA_REG_8481_LED3_MASK,
  9525. 0x0);
  9526. bnx2x_cl45_write(bp, phy,
  9527. MDIO_PMA_DEVAD,
  9528. MDIO_PMA_REG_8481_LED5_MASK,
  9529. 0x0);
  9530. } else {
  9531. /* LED 1 OFF */
  9532. bnx2x_cl45_write(bp, phy,
  9533. MDIO_PMA_DEVAD,
  9534. MDIO_PMA_REG_8481_LED1_MASK,
  9535. 0x0);
  9536. if (phy->type ==
  9537. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9538. /* LED 2 OFF */
  9539. bnx2x_cl45_write(bp, phy,
  9540. MDIO_PMA_DEVAD,
  9541. MDIO_PMA_REG_8481_LED2_MASK,
  9542. 0x0);
  9543. /* LED 3 OFF */
  9544. bnx2x_cl45_write(bp, phy,
  9545. MDIO_PMA_DEVAD,
  9546. MDIO_PMA_REG_8481_LED3_MASK,
  9547. 0x0);
  9548. }
  9549. }
  9550. break;
  9551. case LED_MODE_FRONT_PANEL_OFF:
  9552. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9553. port);
  9554. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9555. SHARED_HW_CFG_LED_EXTPHY1) {
  9556. /* Set LED masks */
  9557. bnx2x_cl45_write(bp, phy,
  9558. MDIO_PMA_DEVAD,
  9559. MDIO_PMA_REG_8481_LED1_MASK,
  9560. 0x0);
  9561. bnx2x_cl45_write(bp, phy,
  9562. MDIO_PMA_DEVAD,
  9563. MDIO_PMA_REG_8481_LED2_MASK,
  9564. 0x0);
  9565. bnx2x_cl45_write(bp, phy,
  9566. MDIO_PMA_DEVAD,
  9567. MDIO_PMA_REG_8481_LED3_MASK,
  9568. 0x0);
  9569. bnx2x_cl45_write(bp, phy,
  9570. MDIO_PMA_DEVAD,
  9571. MDIO_PMA_REG_8481_LED5_MASK,
  9572. 0x20);
  9573. } else {
  9574. bnx2x_cl45_write(bp, phy,
  9575. MDIO_PMA_DEVAD,
  9576. MDIO_PMA_REG_8481_LED1_MASK,
  9577. 0x0);
  9578. if (phy->type ==
  9579. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9580. /* Disable MI_INT interrupt before setting LED4
  9581. * source to constant off.
  9582. */
  9583. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9584. params->port*4) &
  9585. NIG_MASK_MI_INT) {
  9586. params->link_flags |=
  9587. LINK_FLAGS_INT_DISABLED;
  9588. bnx2x_bits_dis(
  9589. bp,
  9590. NIG_REG_MASK_INTERRUPT_PORT0 +
  9591. params->port*4,
  9592. NIG_MASK_MI_INT);
  9593. }
  9594. bnx2x_cl45_write(bp, phy,
  9595. MDIO_PMA_DEVAD,
  9596. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9597. 0x0);
  9598. }
  9599. if (phy->type ==
  9600. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9601. /* LED 2 OFF */
  9602. bnx2x_cl45_write(bp, phy,
  9603. MDIO_PMA_DEVAD,
  9604. MDIO_PMA_REG_8481_LED2_MASK,
  9605. 0x0);
  9606. /* LED 3 OFF */
  9607. bnx2x_cl45_write(bp, phy,
  9608. MDIO_PMA_DEVAD,
  9609. MDIO_PMA_REG_8481_LED3_MASK,
  9610. 0x0);
  9611. }
  9612. }
  9613. break;
  9614. case LED_MODE_ON:
  9615. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9616. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9617. SHARED_HW_CFG_LED_EXTPHY1) {
  9618. /* Set control reg */
  9619. bnx2x_cl45_read(bp, phy,
  9620. MDIO_PMA_DEVAD,
  9621. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9622. &val);
  9623. val &= 0x8000;
  9624. val |= 0x2492;
  9625. bnx2x_cl45_write(bp, phy,
  9626. MDIO_PMA_DEVAD,
  9627. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9628. val);
  9629. /* Set LED masks */
  9630. bnx2x_cl45_write(bp, phy,
  9631. MDIO_PMA_DEVAD,
  9632. MDIO_PMA_REG_8481_LED1_MASK,
  9633. 0x0);
  9634. bnx2x_cl45_write(bp, phy,
  9635. MDIO_PMA_DEVAD,
  9636. MDIO_PMA_REG_8481_LED2_MASK,
  9637. 0x20);
  9638. bnx2x_cl45_write(bp, phy,
  9639. MDIO_PMA_DEVAD,
  9640. MDIO_PMA_REG_8481_LED3_MASK,
  9641. 0x20);
  9642. bnx2x_cl45_write(bp, phy,
  9643. MDIO_PMA_DEVAD,
  9644. MDIO_PMA_REG_8481_LED5_MASK,
  9645. 0x0);
  9646. } else {
  9647. bnx2x_cl45_write(bp, phy,
  9648. MDIO_PMA_DEVAD,
  9649. MDIO_PMA_REG_8481_LED1_MASK,
  9650. 0x20);
  9651. if (phy->type ==
  9652. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9653. /* Disable MI_INT interrupt before setting LED4
  9654. * source to constant on.
  9655. */
  9656. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9657. params->port*4) &
  9658. NIG_MASK_MI_INT) {
  9659. params->link_flags |=
  9660. LINK_FLAGS_INT_DISABLED;
  9661. bnx2x_bits_dis(
  9662. bp,
  9663. NIG_REG_MASK_INTERRUPT_PORT0 +
  9664. params->port*4,
  9665. NIG_MASK_MI_INT);
  9666. }
  9667. }
  9668. if (phy->type ==
  9669. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9670. /* Tell LED3 to constant on */
  9671. bnx2x_cl45_read(bp, phy,
  9672. MDIO_PMA_DEVAD,
  9673. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9674. &val);
  9675. val &= ~(7<<6);
  9676. val |= (2<<6); /* A83B[8:6]= 2 */
  9677. bnx2x_cl45_write(bp, phy,
  9678. MDIO_PMA_DEVAD,
  9679. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9680. val);
  9681. bnx2x_cl45_write(bp, phy,
  9682. MDIO_PMA_DEVAD,
  9683. MDIO_PMA_REG_8481_LED3_MASK,
  9684. 0x20);
  9685. } else {
  9686. bnx2x_cl45_write(bp, phy,
  9687. MDIO_PMA_DEVAD,
  9688. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9689. 0x20);
  9690. }
  9691. }
  9692. break;
  9693. case LED_MODE_OPER:
  9694. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9695. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9696. SHARED_HW_CFG_LED_EXTPHY1) {
  9697. /* Set control reg */
  9698. bnx2x_cl45_read(bp, phy,
  9699. MDIO_PMA_DEVAD,
  9700. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9701. &val);
  9702. if (!((val &
  9703. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9704. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9705. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9706. bnx2x_cl45_write(bp, phy,
  9707. MDIO_PMA_DEVAD,
  9708. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9709. 0xa492);
  9710. }
  9711. /* Set LED masks */
  9712. bnx2x_cl45_write(bp, phy,
  9713. MDIO_PMA_DEVAD,
  9714. MDIO_PMA_REG_8481_LED1_MASK,
  9715. 0x10);
  9716. bnx2x_cl45_write(bp, phy,
  9717. MDIO_PMA_DEVAD,
  9718. MDIO_PMA_REG_8481_LED2_MASK,
  9719. 0x80);
  9720. bnx2x_cl45_write(bp, phy,
  9721. MDIO_PMA_DEVAD,
  9722. MDIO_PMA_REG_8481_LED3_MASK,
  9723. 0x98);
  9724. bnx2x_cl45_write(bp, phy,
  9725. MDIO_PMA_DEVAD,
  9726. MDIO_PMA_REG_8481_LED5_MASK,
  9727. 0x40);
  9728. } else {
  9729. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9730. * sources are all wired through LED1, rather than only
  9731. * 10G in other modes.
  9732. */
  9733. val = ((params->hw_led_mode <<
  9734. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9735. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9736. bnx2x_cl45_write(bp, phy,
  9737. MDIO_PMA_DEVAD,
  9738. MDIO_PMA_REG_8481_LED1_MASK,
  9739. val);
  9740. /* Tell LED3 to blink on source */
  9741. bnx2x_cl45_read(bp, phy,
  9742. MDIO_PMA_DEVAD,
  9743. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9744. &val);
  9745. val &= ~(7<<6);
  9746. val |= (1<<6); /* A83B[8:6]= 1 */
  9747. bnx2x_cl45_write(bp, phy,
  9748. MDIO_PMA_DEVAD,
  9749. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9750. val);
  9751. if (phy->type ==
  9752. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
  9753. bnx2x_cl45_write(bp, phy,
  9754. MDIO_PMA_DEVAD,
  9755. MDIO_PMA_REG_8481_LED2_MASK,
  9756. 0x18);
  9757. bnx2x_cl45_write(bp, phy,
  9758. MDIO_PMA_DEVAD,
  9759. MDIO_PMA_REG_8481_LED3_MASK,
  9760. 0x06);
  9761. }
  9762. if (phy->type ==
  9763. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9764. /* Restore LED4 source to external link,
  9765. * and re-enable interrupts.
  9766. */
  9767. bnx2x_cl45_write(bp, phy,
  9768. MDIO_PMA_DEVAD,
  9769. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9770. 0x40);
  9771. if (params->link_flags &
  9772. LINK_FLAGS_INT_DISABLED) {
  9773. bnx2x_link_int_enable(params);
  9774. params->link_flags &=
  9775. ~LINK_FLAGS_INT_DISABLED;
  9776. }
  9777. }
  9778. }
  9779. break;
  9780. }
  9781. /* This is a workaround for E3+84833 until autoneg
  9782. * restart is fixed in f/w
  9783. */
  9784. if (CHIP_IS_E3(bp)) {
  9785. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9786. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9787. }
  9788. }
  9789. /******************************************************************/
  9790. /* 54618SE PHY SECTION */
  9791. /******************************************************************/
  9792. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9793. struct link_params *params,
  9794. u32 action)
  9795. {
  9796. struct bnx2x *bp = params->bp;
  9797. u16 temp;
  9798. switch (action) {
  9799. case PHY_INIT:
  9800. /* Configure LED4: set to INTR (0x6). */
  9801. /* Accessing shadow register 0xe. */
  9802. bnx2x_cl22_write(bp, phy,
  9803. MDIO_REG_GPHY_SHADOW,
  9804. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9805. bnx2x_cl22_read(bp, phy,
  9806. MDIO_REG_GPHY_SHADOW,
  9807. &temp);
  9808. temp &= ~(0xf << 4);
  9809. temp |= (0x6 << 4);
  9810. bnx2x_cl22_write(bp, phy,
  9811. MDIO_REG_GPHY_SHADOW,
  9812. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9813. /* Configure INTR based on link status change. */
  9814. bnx2x_cl22_write(bp, phy,
  9815. MDIO_REG_INTR_MASK,
  9816. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9817. break;
  9818. }
  9819. }
  9820. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9821. struct link_params *params,
  9822. struct link_vars *vars)
  9823. {
  9824. struct bnx2x *bp = params->bp;
  9825. u8 port;
  9826. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9827. u32 cfg_pin;
  9828. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9829. usleep_range(1000, 2000);
  9830. /* This works with E3 only, no need to check the chip
  9831. * before determining the port.
  9832. */
  9833. port = params->port;
  9834. cfg_pin = (REG_RD(bp, params->shmem_base +
  9835. offsetof(struct shmem_region,
  9836. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9837. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9838. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9839. /* Drive pin high to bring the GPHY out of reset. */
  9840. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9841. /* wait for GPHY to reset */
  9842. msleep(50);
  9843. /* reset phy */
  9844. bnx2x_cl22_write(bp, phy,
  9845. MDIO_PMA_REG_CTRL, 0x8000);
  9846. bnx2x_wait_reset_complete(bp, phy, params);
  9847. /* Wait for GPHY to reset */
  9848. msleep(50);
  9849. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9850. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9851. bnx2x_cl22_write(bp, phy,
  9852. MDIO_REG_GPHY_SHADOW,
  9853. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9854. bnx2x_cl22_read(bp, phy,
  9855. MDIO_REG_GPHY_SHADOW,
  9856. &temp);
  9857. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9858. bnx2x_cl22_write(bp, phy,
  9859. MDIO_REG_GPHY_SHADOW,
  9860. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9861. /* Set up fc */
  9862. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9863. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9864. fc_val = 0;
  9865. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9866. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9867. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9868. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9869. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9870. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9871. /* Read all advertisement */
  9872. bnx2x_cl22_read(bp, phy,
  9873. 0x09,
  9874. &an_1000_val);
  9875. bnx2x_cl22_read(bp, phy,
  9876. 0x04,
  9877. &an_10_100_val);
  9878. bnx2x_cl22_read(bp, phy,
  9879. MDIO_PMA_REG_CTRL,
  9880. &autoneg_val);
  9881. /* Disable forced speed */
  9882. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9883. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9884. (1<<11));
  9885. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9886. (phy->speed_cap_mask &
  9887. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9888. (phy->req_line_speed == SPEED_1000)) {
  9889. an_1000_val |= (1<<8);
  9890. autoneg_val |= (1<<9 | 1<<12);
  9891. if (phy->req_duplex == DUPLEX_FULL)
  9892. an_1000_val |= (1<<9);
  9893. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9894. } else
  9895. an_1000_val &= ~((1<<8) | (1<<9));
  9896. bnx2x_cl22_write(bp, phy,
  9897. 0x09,
  9898. an_1000_val);
  9899. bnx2x_cl22_read(bp, phy,
  9900. 0x09,
  9901. &an_1000_val);
  9902. /* Advertise 10/100 link speed */
  9903. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  9904. if (phy->speed_cap_mask &
  9905. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
  9906. an_10_100_val |= (1<<5);
  9907. autoneg_val |= (1<<9 | 1<<12);
  9908. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  9909. }
  9910. if (phy->speed_cap_mask &
  9911. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
  9912. an_10_100_val |= (1<<6);
  9913. autoneg_val |= (1<<9 | 1<<12);
  9914. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  9915. }
  9916. if (phy->speed_cap_mask &
  9917. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  9918. an_10_100_val |= (1<<7);
  9919. autoneg_val |= (1<<9 | 1<<12);
  9920. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  9921. }
  9922. if (phy->speed_cap_mask &
  9923. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  9924. an_10_100_val |= (1<<8);
  9925. autoneg_val |= (1<<9 | 1<<12);
  9926. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  9927. }
  9928. }
  9929. /* Only 10/100 are allowed to work in FORCE mode */
  9930. if (phy->req_line_speed == SPEED_100) {
  9931. autoneg_val |= (1<<13);
  9932. /* Enabled AUTO-MDIX when autoneg is disabled */
  9933. bnx2x_cl22_write(bp, phy,
  9934. 0x18,
  9935. (1<<15 | 1<<9 | 7<<0));
  9936. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9937. }
  9938. if (phy->req_line_speed == SPEED_10) {
  9939. /* Enabled AUTO-MDIX when autoneg is disabled */
  9940. bnx2x_cl22_write(bp, phy,
  9941. 0x18,
  9942. (1<<15 | 1<<9 | 7<<0));
  9943. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9944. }
  9945. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9946. int rc;
  9947. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9948. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9949. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9950. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9951. temp &= 0xfffe;
  9952. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9953. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9954. if (rc) {
  9955. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9956. bnx2x_eee_disable(phy, params, vars);
  9957. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9958. (phy->req_duplex == DUPLEX_FULL) &&
  9959. (bnx2x_eee_calc_timer(params) ||
  9960. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9961. /* Need to advertise EEE only when requested,
  9962. * and either no LPI assertion was requested,
  9963. * or it was requested and a valid timer was set.
  9964. * Also notice full duplex is required for EEE.
  9965. */
  9966. bnx2x_eee_advertise(phy, params, vars,
  9967. SHMEM_EEE_1G_ADV);
  9968. } else {
  9969. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9970. bnx2x_eee_disable(phy, params, vars);
  9971. }
  9972. } else {
  9973. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9974. SHMEM_EEE_SUPPORTED_SHIFT;
  9975. if (phy->flags & FLAGS_EEE) {
  9976. /* Handle legacy auto-grEEEn */
  9977. if (params->feature_config_flags &
  9978. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9979. temp = 6;
  9980. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9981. } else {
  9982. temp = 0;
  9983. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9984. }
  9985. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9986. MDIO_AN_REG_EEE_ADV, temp);
  9987. }
  9988. }
  9989. bnx2x_cl22_write(bp, phy,
  9990. 0x04,
  9991. an_10_100_val | fc_val);
  9992. if (phy->req_duplex == DUPLEX_FULL)
  9993. autoneg_val |= (1<<8);
  9994. bnx2x_cl22_write(bp, phy,
  9995. MDIO_PMA_REG_CTRL, autoneg_val);
  9996. return 0;
  9997. }
  9998. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9999. struct link_params *params, u8 mode)
  10000. {
  10001. struct bnx2x *bp = params->bp;
  10002. u16 temp;
  10003. bnx2x_cl22_write(bp, phy,
  10004. MDIO_REG_GPHY_SHADOW,
  10005. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  10006. bnx2x_cl22_read(bp, phy,
  10007. MDIO_REG_GPHY_SHADOW,
  10008. &temp);
  10009. temp &= 0xff00;
  10010. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  10011. switch (mode) {
  10012. case LED_MODE_FRONT_PANEL_OFF:
  10013. case LED_MODE_OFF:
  10014. temp |= 0x00ee;
  10015. break;
  10016. case LED_MODE_OPER:
  10017. temp |= 0x0001;
  10018. break;
  10019. case LED_MODE_ON:
  10020. temp |= 0x00ff;
  10021. break;
  10022. default:
  10023. break;
  10024. }
  10025. bnx2x_cl22_write(bp, phy,
  10026. MDIO_REG_GPHY_SHADOW,
  10027. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  10028. return;
  10029. }
  10030. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  10031. struct link_params *params)
  10032. {
  10033. struct bnx2x *bp = params->bp;
  10034. u32 cfg_pin;
  10035. u8 port;
  10036. /* In case of no EPIO routed to reset the GPHY, put it
  10037. * in low power mode.
  10038. */
  10039. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  10040. /* This works with E3 only, no need to check the chip
  10041. * before determining the port.
  10042. */
  10043. port = params->port;
  10044. cfg_pin = (REG_RD(bp, params->shmem_base +
  10045. offsetof(struct shmem_region,
  10046. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  10047. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  10048. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  10049. /* Drive pin low to put GPHY in reset. */
  10050. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  10051. }
  10052. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  10053. struct link_params *params,
  10054. struct link_vars *vars)
  10055. {
  10056. struct bnx2x *bp = params->bp;
  10057. u16 val;
  10058. u8 link_up = 0;
  10059. u16 legacy_status, legacy_speed;
  10060. /* Get speed operation status */
  10061. bnx2x_cl22_read(bp, phy,
  10062. MDIO_REG_GPHY_AUX_STATUS,
  10063. &legacy_status);
  10064. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  10065. /* Read status to clear the PHY interrupt. */
  10066. bnx2x_cl22_read(bp, phy,
  10067. MDIO_REG_INTR_STATUS,
  10068. &val);
  10069. link_up = ((legacy_status & (1<<2)) == (1<<2));
  10070. if (link_up) {
  10071. legacy_speed = (legacy_status & (7<<8));
  10072. if (legacy_speed == (7<<8)) {
  10073. vars->line_speed = SPEED_1000;
  10074. vars->duplex = DUPLEX_FULL;
  10075. } else if (legacy_speed == (6<<8)) {
  10076. vars->line_speed = SPEED_1000;
  10077. vars->duplex = DUPLEX_HALF;
  10078. } else if (legacy_speed == (5<<8)) {
  10079. vars->line_speed = SPEED_100;
  10080. vars->duplex = DUPLEX_FULL;
  10081. }
  10082. /* Omitting 100Base-T4 for now */
  10083. else if (legacy_speed == (3<<8)) {
  10084. vars->line_speed = SPEED_100;
  10085. vars->duplex = DUPLEX_HALF;
  10086. } else if (legacy_speed == (2<<8)) {
  10087. vars->line_speed = SPEED_10;
  10088. vars->duplex = DUPLEX_FULL;
  10089. } else if (legacy_speed == (1<<8)) {
  10090. vars->line_speed = SPEED_10;
  10091. vars->duplex = DUPLEX_HALF;
  10092. } else /* Should not happen */
  10093. vars->line_speed = 0;
  10094. DP(NETIF_MSG_LINK,
  10095. "Link is up in %dMbps, is_duplex_full= %d\n",
  10096. vars->line_speed,
  10097. (vars->duplex == DUPLEX_FULL));
  10098. /* Check legacy speed AN resolution */
  10099. bnx2x_cl22_read(bp, phy,
  10100. 0x01,
  10101. &val);
  10102. if (val & (1<<5))
  10103. vars->link_status |=
  10104. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  10105. bnx2x_cl22_read(bp, phy,
  10106. 0x06,
  10107. &val);
  10108. if ((val & (1<<0)) == 0)
  10109. vars->link_status |=
  10110. LINK_STATUS_PARALLEL_DETECTION_USED;
  10111. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  10112. vars->line_speed);
  10113. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  10114. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  10115. /* Report LP advertised speeds */
  10116. bnx2x_cl22_read(bp, phy, 0x5, &val);
  10117. if (val & (1<<5))
  10118. vars->link_status |=
  10119. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  10120. if (val & (1<<6))
  10121. vars->link_status |=
  10122. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  10123. if (val & (1<<7))
  10124. vars->link_status |=
  10125. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  10126. if (val & (1<<8))
  10127. vars->link_status |=
  10128. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  10129. if (val & (1<<9))
  10130. vars->link_status |=
  10131. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  10132. bnx2x_cl22_read(bp, phy, 0xa, &val);
  10133. if (val & (1<<10))
  10134. vars->link_status |=
  10135. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  10136. if (val & (1<<11))
  10137. vars->link_status |=
  10138. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  10139. if ((phy->flags & FLAGS_EEE) &&
  10140. bnx2x_eee_has_cap(params))
  10141. bnx2x_eee_an_resolve(phy, params, vars);
  10142. }
  10143. }
  10144. return link_up;
  10145. }
  10146. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  10147. struct link_params *params)
  10148. {
  10149. struct bnx2x *bp = params->bp;
  10150. u16 val;
  10151. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  10152. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  10153. /* Enable master/slave manual mmode and set to master */
  10154. /* mii write 9 [bits set 11 12] */
  10155. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  10156. /* forced 1G and disable autoneg */
  10157. /* set val [mii read 0] */
  10158. /* set val [expr $val & [bits clear 6 12 13]] */
  10159. /* set val [expr $val | [bits set 6 8]] */
  10160. /* mii write 0 $val */
  10161. bnx2x_cl22_read(bp, phy, 0x00, &val);
  10162. val &= ~((1<<6) | (1<<12) | (1<<13));
  10163. val |= (1<<6) | (1<<8);
  10164. bnx2x_cl22_write(bp, phy, 0x00, val);
  10165. /* Set external loopback and Tx using 6dB coding */
  10166. /* mii write 0x18 7 */
  10167. /* set val [mii read 0x18] */
  10168. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  10169. bnx2x_cl22_write(bp, phy, 0x18, 7);
  10170. bnx2x_cl22_read(bp, phy, 0x18, &val);
  10171. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  10172. /* This register opens the gate for the UMAC despite its name */
  10173. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  10174. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  10175. * length used by the MAC receive logic to check frames.
  10176. */
  10177. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  10178. }
  10179. /******************************************************************/
  10180. /* SFX7101 PHY SECTION */
  10181. /******************************************************************/
  10182. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  10183. struct link_params *params)
  10184. {
  10185. struct bnx2x *bp = params->bp;
  10186. /* SFX7101_XGXS_TEST1 */
  10187. bnx2x_cl45_write(bp, phy,
  10188. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  10189. }
  10190. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  10191. struct link_params *params,
  10192. struct link_vars *vars)
  10193. {
  10194. u16 fw_ver1, fw_ver2, val;
  10195. struct bnx2x *bp = params->bp;
  10196. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  10197. /* Restore normal power mode*/
  10198. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10199. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  10200. /* HW reset */
  10201. bnx2x_ext_phy_hw_reset(bp, params->port);
  10202. bnx2x_wait_reset_complete(bp, phy, params);
  10203. bnx2x_cl45_write(bp, phy,
  10204. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  10205. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  10206. bnx2x_cl45_write(bp, phy,
  10207. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  10208. bnx2x_ext_phy_set_pause(params, phy, vars);
  10209. /* Restart autoneg */
  10210. bnx2x_cl45_read(bp, phy,
  10211. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  10212. val |= 0x200;
  10213. bnx2x_cl45_write(bp, phy,
  10214. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  10215. /* Save spirom version */
  10216. bnx2x_cl45_read(bp, phy,
  10217. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  10218. bnx2x_cl45_read(bp, phy,
  10219. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  10220. bnx2x_save_spirom_version(bp, params->port,
  10221. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  10222. return 0;
  10223. }
  10224. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  10225. struct link_params *params,
  10226. struct link_vars *vars)
  10227. {
  10228. struct bnx2x *bp = params->bp;
  10229. u8 link_up;
  10230. u16 val1, val2;
  10231. bnx2x_cl45_read(bp, phy,
  10232. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  10233. bnx2x_cl45_read(bp, phy,
  10234. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  10235. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  10236. val2, val1);
  10237. bnx2x_cl45_read(bp, phy,
  10238. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  10239. bnx2x_cl45_read(bp, phy,
  10240. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  10241. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  10242. val2, val1);
  10243. link_up = ((val1 & 4) == 4);
  10244. /* If link is up print the AN outcome of the SFX7101 PHY */
  10245. if (link_up) {
  10246. bnx2x_cl45_read(bp, phy,
  10247. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  10248. &val2);
  10249. vars->line_speed = SPEED_10000;
  10250. vars->duplex = DUPLEX_FULL;
  10251. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  10252. val2, (val2 & (1<<14)));
  10253. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  10254. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  10255. /* Read LP advertised speeds */
  10256. if (val2 & (1<<11))
  10257. vars->link_status |=
  10258. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  10259. }
  10260. return link_up;
  10261. }
  10262. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  10263. {
  10264. if (*len < 5)
  10265. return -EINVAL;
  10266. str[0] = (spirom_ver & 0xFF);
  10267. str[1] = (spirom_ver & 0xFF00) >> 8;
  10268. str[2] = (spirom_ver & 0xFF0000) >> 16;
  10269. str[3] = (spirom_ver & 0xFF000000) >> 24;
  10270. str[4] = '\0';
  10271. *len -= 5;
  10272. return 0;
  10273. }
  10274. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  10275. {
  10276. u16 val, cnt;
  10277. bnx2x_cl45_read(bp, phy,
  10278. MDIO_PMA_DEVAD,
  10279. MDIO_PMA_REG_7101_RESET, &val);
  10280. for (cnt = 0; cnt < 10; cnt++) {
  10281. msleep(50);
  10282. /* Writes a self-clearing reset */
  10283. bnx2x_cl45_write(bp, phy,
  10284. MDIO_PMA_DEVAD,
  10285. MDIO_PMA_REG_7101_RESET,
  10286. (val | (1<<15)));
  10287. /* Wait for clear */
  10288. bnx2x_cl45_read(bp, phy,
  10289. MDIO_PMA_DEVAD,
  10290. MDIO_PMA_REG_7101_RESET, &val);
  10291. if ((val & (1<<15)) == 0)
  10292. break;
  10293. }
  10294. }
  10295. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  10296. struct link_params *params) {
  10297. /* Low power mode is controlled by GPIO 2 */
  10298. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  10299. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  10300. /* The PHY reset is controlled by GPIO 1 */
  10301. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  10302. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  10303. }
  10304. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  10305. struct link_params *params, u8 mode)
  10306. {
  10307. u16 val = 0;
  10308. struct bnx2x *bp = params->bp;
  10309. switch (mode) {
  10310. case LED_MODE_FRONT_PANEL_OFF:
  10311. case LED_MODE_OFF:
  10312. val = 2;
  10313. break;
  10314. case LED_MODE_ON:
  10315. val = 1;
  10316. break;
  10317. case LED_MODE_OPER:
  10318. val = 0;
  10319. break;
  10320. }
  10321. bnx2x_cl45_write(bp, phy,
  10322. MDIO_PMA_DEVAD,
  10323. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  10324. val);
  10325. }
  10326. /******************************************************************/
  10327. /* STATIC PHY DECLARATION */
  10328. /******************************************************************/
  10329. static const struct bnx2x_phy phy_null = {
  10330. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  10331. .addr = 0,
  10332. .def_md_devad = 0,
  10333. .flags = FLAGS_INIT_XGXS_FIRST,
  10334. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10335. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10336. .mdio_ctrl = 0,
  10337. .supported = 0,
  10338. .media_type = ETH_PHY_NOT_PRESENT,
  10339. .ver_addr = 0,
  10340. .req_flow_ctrl = 0,
  10341. .req_line_speed = 0,
  10342. .speed_cap_mask = 0,
  10343. .req_duplex = 0,
  10344. .rsrv = 0,
  10345. .config_init = (config_init_t)NULL,
  10346. .read_status = (read_status_t)NULL,
  10347. .link_reset = (link_reset_t)NULL,
  10348. .config_loopback = (config_loopback_t)NULL,
  10349. .format_fw_ver = (format_fw_ver_t)NULL,
  10350. .hw_reset = (hw_reset_t)NULL,
  10351. .set_link_led = (set_link_led_t)NULL,
  10352. .phy_specific_func = (phy_specific_func_t)NULL
  10353. };
  10354. static const struct bnx2x_phy phy_serdes = {
  10355. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10356. .addr = 0xff,
  10357. .def_md_devad = 0,
  10358. .flags = 0,
  10359. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10360. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10361. .mdio_ctrl = 0,
  10362. .supported = (SUPPORTED_10baseT_Half |
  10363. SUPPORTED_10baseT_Full |
  10364. SUPPORTED_100baseT_Half |
  10365. SUPPORTED_100baseT_Full |
  10366. SUPPORTED_1000baseT_Full |
  10367. SUPPORTED_2500baseX_Full |
  10368. SUPPORTED_TP |
  10369. SUPPORTED_Autoneg |
  10370. SUPPORTED_Pause |
  10371. SUPPORTED_Asym_Pause),
  10372. .media_type = ETH_PHY_BASE_T,
  10373. .ver_addr = 0,
  10374. .req_flow_ctrl = 0,
  10375. .req_line_speed = 0,
  10376. .speed_cap_mask = 0,
  10377. .req_duplex = 0,
  10378. .rsrv = 0,
  10379. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10380. .read_status = (read_status_t)bnx2x_link_settings_status,
  10381. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10382. .config_loopback = (config_loopback_t)NULL,
  10383. .format_fw_ver = (format_fw_ver_t)NULL,
  10384. .hw_reset = (hw_reset_t)NULL,
  10385. .set_link_led = (set_link_led_t)NULL,
  10386. .phy_specific_func = (phy_specific_func_t)NULL
  10387. };
  10388. static const struct bnx2x_phy phy_xgxs = {
  10389. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10390. .addr = 0xff,
  10391. .def_md_devad = 0,
  10392. .flags = 0,
  10393. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10394. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10395. .mdio_ctrl = 0,
  10396. .supported = (SUPPORTED_10baseT_Half |
  10397. SUPPORTED_10baseT_Full |
  10398. SUPPORTED_100baseT_Half |
  10399. SUPPORTED_100baseT_Full |
  10400. SUPPORTED_1000baseT_Full |
  10401. SUPPORTED_2500baseX_Full |
  10402. SUPPORTED_10000baseT_Full |
  10403. SUPPORTED_FIBRE |
  10404. SUPPORTED_Autoneg |
  10405. SUPPORTED_Pause |
  10406. SUPPORTED_Asym_Pause),
  10407. .media_type = ETH_PHY_CX4,
  10408. .ver_addr = 0,
  10409. .req_flow_ctrl = 0,
  10410. .req_line_speed = 0,
  10411. .speed_cap_mask = 0,
  10412. .req_duplex = 0,
  10413. .rsrv = 0,
  10414. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10415. .read_status = (read_status_t)bnx2x_link_settings_status,
  10416. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10417. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10418. .format_fw_ver = (format_fw_ver_t)NULL,
  10419. .hw_reset = (hw_reset_t)NULL,
  10420. .set_link_led = (set_link_led_t)NULL,
  10421. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10422. };
  10423. static const struct bnx2x_phy phy_warpcore = {
  10424. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10425. .addr = 0xff,
  10426. .def_md_devad = 0,
  10427. .flags = FLAGS_TX_ERROR_CHECK,
  10428. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10429. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10430. .mdio_ctrl = 0,
  10431. .supported = (SUPPORTED_10baseT_Half |
  10432. SUPPORTED_10baseT_Full |
  10433. SUPPORTED_100baseT_Half |
  10434. SUPPORTED_100baseT_Full |
  10435. SUPPORTED_1000baseT_Full |
  10436. SUPPORTED_1000baseKX_Full |
  10437. SUPPORTED_10000baseT_Full |
  10438. SUPPORTED_10000baseKR_Full |
  10439. SUPPORTED_20000baseKR2_Full |
  10440. SUPPORTED_20000baseMLD2_Full |
  10441. SUPPORTED_FIBRE |
  10442. SUPPORTED_Autoneg |
  10443. SUPPORTED_Pause |
  10444. SUPPORTED_Asym_Pause),
  10445. .media_type = ETH_PHY_UNSPECIFIED,
  10446. .ver_addr = 0,
  10447. .req_flow_ctrl = 0,
  10448. .req_line_speed = 0,
  10449. .speed_cap_mask = 0,
  10450. /* req_duplex = */0,
  10451. /* rsrv = */0,
  10452. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10453. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10454. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10455. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10456. .format_fw_ver = (format_fw_ver_t)NULL,
  10457. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10458. .set_link_led = (set_link_led_t)NULL,
  10459. .phy_specific_func = (phy_specific_func_t)NULL
  10460. };
  10461. static const struct bnx2x_phy phy_7101 = {
  10462. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10463. .addr = 0xff,
  10464. .def_md_devad = 0,
  10465. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10466. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10467. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10468. .mdio_ctrl = 0,
  10469. .supported = (SUPPORTED_10000baseT_Full |
  10470. SUPPORTED_TP |
  10471. SUPPORTED_Autoneg |
  10472. SUPPORTED_Pause |
  10473. SUPPORTED_Asym_Pause),
  10474. .media_type = ETH_PHY_BASE_T,
  10475. .ver_addr = 0,
  10476. .req_flow_ctrl = 0,
  10477. .req_line_speed = 0,
  10478. .speed_cap_mask = 0,
  10479. .req_duplex = 0,
  10480. .rsrv = 0,
  10481. .config_init = (config_init_t)bnx2x_7101_config_init,
  10482. .read_status = (read_status_t)bnx2x_7101_read_status,
  10483. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10484. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10485. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10486. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10487. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10488. .phy_specific_func = (phy_specific_func_t)NULL
  10489. };
  10490. static const struct bnx2x_phy phy_8073 = {
  10491. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10492. .addr = 0xff,
  10493. .def_md_devad = 0,
  10494. .flags = 0,
  10495. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10496. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10497. .mdio_ctrl = 0,
  10498. .supported = (SUPPORTED_10000baseT_Full |
  10499. SUPPORTED_2500baseX_Full |
  10500. SUPPORTED_1000baseT_Full |
  10501. SUPPORTED_FIBRE |
  10502. SUPPORTED_Autoneg |
  10503. SUPPORTED_Pause |
  10504. SUPPORTED_Asym_Pause),
  10505. .media_type = ETH_PHY_KR,
  10506. .ver_addr = 0,
  10507. .req_flow_ctrl = 0,
  10508. .req_line_speed = 0,
  10509. .speed_cap_mask = 0,
  10510. .req_duplex = 0,
  10511. .rsrv = 0,
  10512. .config_init = (config_init_t)bnx2x_8073_config_init,
  10513. .read_status = (read_status_t)bnx2x_8073_read_status,
  10514. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10515. .config_loopback = (config_loopback_t)NULL,
  10516. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10517. .hw_reset = (hw_reset_t)NULL,
  10518. .set_link_led = (set_link_led_t)NULL,
  10519. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10520. };
  10521. static const struct bnx2x_phy phy_8705 = {
  10522. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10523. .addr = 0xff,
  10524. .def_md_devad = 0,
  10525. .flags = FLAGS_INIT_XGXS_FIRST,
  10526. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10527. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10528. .mdio_ctrl = 0,
  10529. .supported = (SUPPORTED_10000baseT_Full |
  10530. SUPPORTED_FIBRE |
  10531. SUPPORTED_Pause |
  10532. SUPPORTED_Asym_Pause),
  10533. .media_type = ETH_PHY_XFP_FIBER,
  10534. .ver_addr = 0,
  10535. .req_flow_ctrl = 0,
  10536. .req_line_speed = 0,
  10537. .speed_cap_mask = 0,
  10538. .req_duplex = 0,
  10539. .rsrv = 0,
  10540. .config_init = (config_init_t)bnx2x_8705_config_init,
  10541. .read_status = (read_status_t)bnx2x_8705_read_status,
  10542. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10543. .config_loopback = (config_loopback_t)NULL,
  10544. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10545. .hw_reset = (hw_reset_t)NULL,
  10546. .set_link_led = (set_link_led_t)NULL,
  10547. .phy_specific_func = (phy_specific_func_t)NULL
  10548. };
  10549. static const struct bnx2x_phy phy_8706 = {
  10550. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10551. .addr = 0xff,
  10552. .def_md_devad = 0,
  10553. .flags = FLAGS_INIT_XGXS_FIRST,
  10554. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10555. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10556. .mdio_ctrl = 0,
  10557. .supported = (SUPPORTED_10000baseT_Full |
  10558. SUPPORTED_1000baseT_Full |
  10559. SUPPORTED_FIBRE |
  10560. SUPPORTED_Pause |
  10561. SUPPORTED_Asym_Pause),
  10562. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10563. .ver_addr = 0,
  10564. .req_flow_ctrl = 0,
  10565. .req_line_speed = 0,
  10566. .speed_cap_mask = 0,
  10567. .req_duplex = 0,
  10568. .rsrv = 0,
  10569. .config_init = (config_init_t)bnx2x_8706_config_init,
  10570. .read_status = (read_status_t)bnx2x_8706_read_status,
  10571. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10572. .config_loopback = (config_loopback_t)NULL,
  10573. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10574. .hw_reset = (hw_reset_t)NULL,
  10575. .set_link_led = (set_link_led_t)NULL,
  10576. .phy_specific_func = (phy_specific_func_t)NULL
  10577. };
  10578. static const struct bnx2x_phy phy_8726 = {
  10579. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10580. .addr = 0xff,
  10581. .def_md_devad = 0,
  10582. .flags = (FLAGS_INIT_XGXS_FIRST |
  10583. FLAGS_TX_ERROR_CHECK),
  10584. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10585. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10586. .mdio_ctrl = 0,
  10587. .supported = (SUPPORTED_10000baseT_Full |
  10588. SUPPORTED_1000baseT_Full |
  10589. SUPPORTED_Autoneg |
  10590. SUPPORTED_FIBRE |
  10591. SUPPORTED_Pause |
  10592. SUPPORTED_Asym_Pause),
  10593. .media_type = ETH_PHY_NOT_PRESENT,
  10594. .ver_addr = 0,
  10595. .req_flow_ctrl = 0,
  10596. .req_line_speed = 0,
  10597. .speed_cap_mask = 0,
  10598. .req_duplex = 0,
  10599. .rsrv = 0,
  10600. .config_init = (config_init_t)bnx2x_8726_config_init,
  10601. .read_status = (read_status_t)bnx2x_8726_read_status,
  10602. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10603. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10604. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10605. .hw_reset = (hw_reset_t)NULL,
  10606. .set_link_led = (set_link_led_t)NULL,
  10607. .phy_specific_func = (phy_specific_func_t)NULL
  10608. };
  10609. static const struct bnx2x_phy phy_8727 = {
  10610. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10611. .addr = 0xff,
  10612. .def_md_devad = 0,
  10613. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10614. FLAGS_TX_ERROR_CHECK),
  10615. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10616. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10617. .mdio_ctrl = 0,
  10618. .supported = (SUPPORTED_10000baseT_Full |
  10619. SUPPORTED_1000baseT_Full |
  10620. SUPPORTED_FIBRE |
  10621. SUPPORTED_Pause |
  10622. SUPPORTED_Asym_Pause),
  10623. .media_type = ETH_PHY_NOT_PRESENT,
  10624. .ver_addr = 0,
  10625. .req_flow_ctrl = 0,
  10626. .req_line_speed = 0,
  10627. .speed_cap_mask = 0,
  10628. .req_duplex = 0,
  10629. .rsrv = 0,
  10630. .config_init = (config_init_t)bnx2x_8727_config_init,
  10631. .read_status = (read_status_t)bnx2x_8727_read_status,
  10632. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10633. .config_loopback = (config_loopback_t)NULL,
  10634. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10635. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10636. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10637. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10638. };
  10639. static const struct bnx2x_phy phy_8481 = {
  10640. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10641. .addr = 0xff,
  10642. .def_md_devad = 0,
  10643. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10644. FLAGS_REARM_LATCH_SIGNAL,
  10645. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10646. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10647. .mdio_ctrl = 0,
  10648. .supported = (SUPPORTED_10baseT_Half |
  10649. SUPPORTED_10baseT_Full |
  10650. SUPPORTED_100baseT_Half |
  10651. SUPPORTED_100baseT_Full |
  10652. SUPPORTED_1000baseT_Full |
  10653. SUPPORTED_10000baseT_Full |
  10654. SUPPORTED_TP |
  10655. SUPPORTED_Autoneg |
  10656. SUPPORTED_Pause |
  10657. SUPPORTED_Asym_Pause),
  10658. .media_type = ETH_PHY_BASE_T,
  10659. .ver_addr = 0,
  10660. .req_flow_ctrl = 0,
  10661. .req_line_speed = 0,
  10662. .speed_cap_mask = 0,
  10663. .req_duplex = 0,
  10664. .rsrv = 0,
  10665. .config_init = (config_init_t)bnx2x_8481_config_init,
  10666. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10667. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10668. .config_loopback = (config_loopback_t)NULL,
  10669. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10670. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10671. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10672. .phy_specific_func = (phy_specific_func_t)NULL
  10673. };
  10674. static const struct bnx2x_phy phy_84823 = {
  10675. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10676. .addr = 0xff,
  10677. .def_md_devad = 0,
  10678. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10679. FLAGS_REARM_LATCH_SIGNAL |
  10680. FLAGS_TX_ERROR_CHECK),
  10681. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10682. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10683. .mdio_ctrl = 0,
  10684. .supported = (SUPPORTED_10baseT_Half |
  10685. SUPPORTED_10baseT_Full |
  10686. SUPPORTED_100baseT_Half |
  10687. SUPPORTED_100baseT_Full |
  10688. SUPPORTED_1000baseT_Full |
  10689. SUPPORTED_10000baseT_Full |
  10690. SUPPORTED_TP |
  10691. SUPPORTED_Autoneg |
  10692. SUPPORTED_Pause |
  10693. SUPPORTED_Asym_Pause),
  10694. .media_type = ETH_PHY_BASE_T,
  10695. .ver_addr = 0,
  10696. .req_flow_ctrl = 0,
  10697. .req_line_speed = 0,
  10698. .speed_cap_mask = 0,
  10699. .req_duplex = 0,
  10700. .rsrv = 0,
  10701. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10702. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10703. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10704. .config_loopback = (config_loopback_t)NULL,
  10705. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10706. .hw_reset = (hw_reset_t)NULL,
  10707. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10708. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10709. };
  10710. static const struct bnx2x_phy phy_84833 = {
  10711. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10712. .addr = 0xff,
  10713. .def_md_devad = 0,
  10714. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10715. FLAGS_REARM_LATCH_SIGNAL |
  10716. FLAGS_TX_ERROR_CHECK),
  10717. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10718. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10719. .mdio_ctrl = 0,
  10720. .supported = (SUPPORTED_100baseT_Half |
  10721. SUPPORTED_100baseT_Full |
  10722. SUPPORTED_1000baseT_Full |
  10723. SUPPORTED_10000baseT_Full |
  10724. SUPPORTED_TP |
  10725. SUPPORTED_Autoneg |
  10726. SUPPORTED_Pause |
  10727. SUPPORTED_Asym_Pause),
  10728. .media_type = ETH_PHY_BASE_T,
  10729. .ver_addr = 0,
  10730. .req_flow_ctrl = 0,
  10731. .req_line_speed = 0,
  10732. .speed_cap_mask = 0,
  10733. .req_duplex = 0,
  10734. .rsrv = 0,
  10735. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10736. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10737. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10738. .config_loopback = (config_loopback_t)NULL,
  10739. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10740. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10741. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10742. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10743. };
  10744. static const struct bnx2x_phy phy_84834 = {
  10745. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10746. .addr = 0xff,
  10747. .def_md_devad = 0,
  10748. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10749. FLAGS_REARM_LATCH_SIGNAL,
  10750. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10751. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10752. .mdio_ctrl = 0,
  10753. .supported = (SUPPORTED_100baseT_Half |
  10754. SUPPORTED_100baseT_Full |
  10755. SUPPORTED_1000baseT_Full |
  10756. SUPPORTED_10000baseT_Full |
  10757. SUPPORTED_TP |
  10758. SUPPORTED_Autoneg |
  10759. SUPPORTED_Pause |
  10760. SUPPORTED_Asym_Pause),
  10761. .media_type = ETH_PHY_BASE_T,
  10762. .ver_addr = 0,
  10763. .req_flow_ctrl = 0,
  10764. .req_line_speed = 0,
  10765. .speed_cap_mask = 0,
  10766. .req_duplex = 0,
  10767. .rsrv = 0,
  10768. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10769. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10770. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10771. .config_loopback = (config_loopback_t)NULL,
  10772. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10773. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10774. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10775. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10776. };
  10777. static const struct bnx2x_phy phy_84858 = {
  10778. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
  10779. .addr = 0xff,
  10780. .def_md_devad = 0,
  10781. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10782. FLAGS_REARM_LATCH_SIGNAL,
  10783. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10784. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10785. .mdio_ctrl = 0,
  10786. .supported = (SUPPORTED_100baseT_Half |
  10787. SUPPORTED_100baseT_Full |
  10788. SUPPORTED_1000baseT_Full |
  10789. SUPPORTED_10000baseT_Full |
  10790. SUPPORTED_TP |
  10791. SUPPORTED_Autoneg |
  10792. SUPPORTED_Pause |
  10793. SUPPORTED_Asym_Pause),
  10794. .media_type = ETH_PHY_BASE_T,
  10795. .ver_addr = 0,
  10796. .req_flow_ctrl = 0,
  10797. .req_line_speed = 0,
  10798. .speed_cap_mask = 0,
  10799. .req_duplex = 0,
  10800. .rsrv = 0,
  10801. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10802. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10803. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10804. .config_loopback = (config_loopback_t)NULL,
  10805. .format_fw_ver = (format_fw_ver_t)bnx2x_8485x_format_ver,
  10806. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10807. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10808. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10809. };
  10810. static const struct bnx2x_phy phy_54618se = {
  10811. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10812. .addr = 0xff,
  10813. .def_md_devad = 0,
  10814. .flags = FLAGS_INIT_XGXS_FIRST,
  10815. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10816. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10817. .mdio_ctrl = 0,
  10818. .supported = (SUPPORTED_10baseT_Half |
  10819. SUPPORTED_10baseT_Full |
  10820. SUPPORTED_100baseT_Half |
  10821. SUPPORTED_100baseT_Full |
  10822. SUPPORTED_1000baseT_Full |
  10823. SUPPORTED_TP |
  10824. SUPPORTED_Autoneg |
  10825. SUPPORTED_Pause |
  10826. SUPPORTED_Asym_Pause),
  10827. .media_type = ETH_PHY_BASE_T,
  10828. .ver_addr = 0,
  10829. .req_flow_ctrl = 0,
  10830. .req_line_speed = 0,
  10831. .speed_cap_mask = 0,
  10832. /* req_duplex = */0,
  10833. /* rsrv = */0,
  10834. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10835. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10836. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10837. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10838. .format_fw_ver = (format_fw_ver_t)NULL,
  10839. .hw_reset = (hw_reset_t)NULL,
  10840. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10841. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10842. };
  10843. /*****************************************************************/
  10844. /* */
  10845. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10846. /* */
  10847. /*****************************************************************/
  10848. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10849. struct bnx2x_phy *phy, u8 port,
  10850. u8 phy_index)
  10851. {
  10852. /* Get the 4 lanes xgxs config rx and tx */
  10853. u32 rx = 0, tx = 0, i;
  10854. for (i = 0; i < 2; i++) {
  10855. /* INT_PHY and EXT_PHY1 share the same value location in
  10856. * the shmem. When num_phys is greater than 1, than this value
  10857. * applies only to EXT_PHY1
  10858. */
  10859. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10860. rx = REG_RD(bp, shmem_base +
  10861. offsetof(struct shmem_region,
  10862. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10863. tx = REG_RD(bp, shmem_base +
  10864. offsetof(struct shmem_region,
  10865. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10866. } else {
  10867. rx = REG_RD(bp, shmem_base +
  10868. offsetof(struct shmem_region,
  10869. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10870. tx = REG_RD(bp, shmem_base +
  10871. offsetof(struct shmem_region,
  10872. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10873. }
  10874. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10875. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10876. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10877. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10878. }
  10879. }
  10880. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10881. u8 phy_index, u8 port)
  10882. {
  10883. u32 ext_phy_config = 0;
  10884. switch (phy_index) {
  10885. case EXT_PHY1:
  10886. ext_phy_config = REG_RD(bp, shmem_base +
  10887. offsetof(struct shmem_region,
  10888. dev_info.port_hw_config[port].external_phy_config));
  10889. break;
  10890. case EXT_PHY2:
  10891. ext_phy_config = REG_RD(bp, shmem_base +
  10892. offsetof(struct shmem_region,
  10893. dev_info.port_hw_config[port].external_phy_config2));
  10894. break;
  10895. default:
  10896. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10897. return -EINVAL;
  10898. }
  10899. return ext_phy_config;
  10900. }
  10901. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10902. struct bnx2x_phy *phy)
  10903. {
  10904. u32 phy_addr;
  10905. u32 chip_id;
  10906. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10907. offsetof(struct shmem_region,
  10908. dev_info.port_feature_config[port].link_config)) &
  10909. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10910. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10911. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10912. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10913. if (USES_WARPCORE(bp)) {
  10914. u32 serdes_net_if;
  10915. phy_addr = REG_RD(bp,
  10916. MISC_REG_WC0_CTRL_PHY_ADDR);
  10917. *phy = phy_warpcore;
  10918. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10919. phy->flags |= FLAGS_4_PORT_MODE;
  10920. else
  10921. phy->flags &= ~FLAGS_4_PORT_MODE;
  10922. /* Check Dual mode */
  10923. serdes_net_if = (REG_RD(bp, shmem_base +
  10924. offsetof(struct shmem_region, dev_info.
  10925. port_hw_config[port].default_cfg)) &
  10926. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10927. /* Set the appropriate supported and flags indications per
  10928. * interface type of the chip
  10929. */
  10930. switch (serdes_net_if) {
  10931. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10932. phy->supported &= (SUPPORTED_10baseT_Half |
  10933. SUPPORTED_10baseT_Full |
  10934. SUPPORTED_100baseT_Half |
  10935. SUPPORTED_100baseT_Full |
  10936. SUPPORTED_1000baseT_Full |
  10937. SUPPORTED_FIBRE |
  10938. SUPPORTED_Autoneg |
  10939. SUPPORTED_Pause |
  10940. SUPPORTED_Asym_Pause);
  10941. phy->media_type = ETH_PHY_BASE_T;
  10942. break;
  10943. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10944. phy->supported &= (SUPPORTED_1000baseT_Full |
  10945. SUPPORTED_10000baseT_Full |
  10946. SUPPORTED_FIBRE |
  10947. SUPPORTED_Pause |
  10948. SUPPORTED_Asym_Pause);
  10949. phy->media_type = ETH_PHY_XFP_FIBER;
  10950. break;
  10951. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10952. phy->supported &= (SUPPORTED_1000baseT_Full |
  10953. SUPPORTED_10000baseT_Full |
  10954. SUPPORTED_FIBRE |
  10955. SUPPORTED_Pause |
  10956. SUPPORTED_Asym_Pause);
  10957. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10958. break;
  10959. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10960. phy->media_type = ETH_PHY_KR;
  10961. phy->supported &= (SUPPORTED_1000baseKX_Full |
  10962. SUPPORTED_10000baseKR_Full |
  10963. SUPPORTED_FIBRE |
  10964. SUPPORTED_Autoneg |
  10965. SUPPORTED_Pause |
  10966. SUPPORTED_Asym_Pause);
  10967. break;
  10968. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10969. phy->media_type = ETH_PHY_KR;
  10970. phy->flags |= FLAGS_WC_DUAL_MODE;
  10971. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10972. SUPPORTED_FIBRE |
  10973. SUPPORTED_Pause |
  10974. SUPPORTED_Asym_Pause);
  10975. break;
  10976. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10977. phy->media_type = ETH_PHY_KR;
  10978. phy->flags |= FLAGS_WC_DUAL_MODE;
  10979. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10980. SUPPORTED_10000baseKR_Full |
  10981. SUPPORTED_1000baseKX_Full |
  10982. SUPPORTED_Autoneg |
  10983. SUPPORTED_FIBRE |
  10984. SUPPORTED_Pause |
  10985. SUPPORTED_Asym_Pause);
  10986. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10987. break;
  10988. default:
  10989. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10990. serdes_net_if);
  10991. break;
  10992. }
  10993. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10994. * was not set as expected. For B0, ECO will be enabled so there
  10995. * won't be an issue there
  10996. */
  10997. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10998. phy->flags |= FLAGS_MDC_MDIO_WA;
  10999. else
  11000. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  11001. } else {
  11002. switch (switch_cfg) {
  11003. case SWITCH_CFG_1G:
  11004. phy_addr = REG_RD(bp,
  11005. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  11006. port * 0x10);
  11007. *phy = phy_serdes;
  11008. break;
  11009. case SWITCH_CFG_10G:
  11010. phy_addr = REG_RD(bp,
  11011. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  11012. port * 0x18);
  11013. *phy = phy_xgxs;
  11014. break;
  11015. default:
  11016. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  11017. return -EINVAL;
  11018. }
  11019. }
  11020. phy->addr = (u8)phy_addr;
  11021. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  11022. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  11023. port);
  11024. if (CHIP_IS_E2(bp))
  11025. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  11026. else
  11027. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  11028. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  11029. port, phy->addr, phy->mdio_ctrl);
  11030. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  11031. return 0;
  11032. }
  11033. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  11034. u8 phy_index,
  11035. u32 shmem_base,
  11036. u32 shmem2_base,
  11037. u8 port,
  11038. struct bnx2x_phy *phy)
  11039. {
  11040. u32 ext_phy_config, phy_type, config2;
  11041. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  11042. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  11043. phy_index, port);
  11044. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11045. /* Select the phy type */
  11046. switch (phy_type) {
  11047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11048. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  11049. *phy = phy_8073;
  11050. break;
  11051. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  11052. *phy = phy_8705;
  11053. break;
  11054. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  11055. *phy = phy_8706;
  11056. break;
  11057. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11058. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  11059. *phy = phy_8726;
  11060. break;
  11061. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11062. /* BCM8727_NOC => BCM8727 no over current */
  11063. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  11064. *phy = phy_8727;
  11065. phy->flags |= FLAGS_NOC;
  11066. break;
  11067. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11068. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11069. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  11070. *phy = phy_8727;
  11071. break;
  11072. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  11073. *phy = phy_8481;
  11074. break;
  11075. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  11076. *phy = phy_84823;
  11077. break;
  11078. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11079. *phy = phy_84833;
  11080. break;
  11081. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11082. *phy = phy_84834;
  11083. break;
  11084. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
  11085. *phy = phy_84858;
  11086. break;
  11087. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  11088. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  11089. *phy = phy_54618se;
  11090. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  11091. phy->flags |= FLAGS_EEE;
  11092. break;
  11093. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  11094. *phy = phy_7101;
  11095. break;
  11096. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11097. *phy = phy_null;
  11098. return -EINVAL;
  11099. default:
  11100. *phy = phy_null;
  11101. /* In case external PHY wasn't found */
  11102. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  11103. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  11104. return -EINVAL;
  11105. return 0;
  11106. }
  11107. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  11108. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  11109. /* The shmem address of the phy version is located on different
  11110. * structures. In case this structure is too old, do not set
  11111. * the address
  11112. */
  11113. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  11114. dev_info.shared_hw_config.config2));
  11115. if (phy_index == EXT_PHY1) {
  11116. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  11117. port_mb[port].ext_phy_fw_version);
  11118. /* Check specific mdc mdio settings */
  11119. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  11120. mdc_mdio_access = config2 &
  11121. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  11122. } else {
  11123. u32 size = REG_RD(bp, shmem2_base);
  11124. if (size >
  11125. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  11126. phy->ver_addr = shmem2_base +
  11127. offsetof(struct shmem2_region,
  11128. ext_phy_fw_version2[port]);
  11129. }
  11130. /* Check specific mdc mdio settings */
  11131. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  11132. mdc_mdio_access = (config2 &
  11133. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  11134. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  11135. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  11136. }
  11137. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  11138. if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
  11139. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  11140. * version lower than or equal to 1.39
  11141. */
  11142. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  11143. if (((raw_ver & 0x7F) <= 39) &&
  11144. (((raw_ver & 0xF80) >> 7) <= 1))
  11145. phy->supported &= ~(SUPPORTED_100baseT_Half |
  11146. SUPPORTED_100baseT_Full);
  11147. }
  11148. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  11149. phy_type, port, phy_index);
  11150. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  11151. phy->addr, phy->mdio_ctrl);
  11152. return 0;
  11153. }
  11154. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  11155. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  11156. {
  11157. int status = 0;
  11158. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  11159. if (phy_index == INT_PHY)
  11160. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  11161. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  11162. port, phy);
  11163. return status;
  11164. }
  11165. static void bnx2x_phy_def_cfg(struct link_params *params,
  11166. struct bnx2x_phy *phy,
  11167. u8 phy_index)
  11168. {
  11169. struct bnx2x *bp = params->bp;
  11170. u32 link_config;
  11171. /* Populate the default phy configuration for MF mode */
  11172. if (phy_index == EXT_PHY2) {
  11173. link_config = REG_RD(bp, params->shmem_base +
  11174. offsetof(struct shmem_region, dev_info.
  11175. port_feature_config[params->port].link_config2));
  11176. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  11177. offsetof(struct shmem_region,
  11178. dev_info.
  11179. port_hw_config[params->port].speed_capability_mask2));
  11180. } else {
  11181. link_config = REG_RD(bp, params->shmem_base +
  11182. offsetof(struct shmem_region, dev_info.
  11183. port_feature_config[params->port].link_config));
  11184. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  11185. offsetof(struct shmem_region,
  11186. dev_info.
  11187. port_hw_config[params->port].speed_capability_mask));
  11188. }
  11189. DP(NETIF_MSG_LINK,
  11190. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  11191. phy_index, link_config, phy->speed_cap_mask);
  11192. phy->req_duplex = DUPLEX_FULL;
  11193. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  11194. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  11195. phy->req_duplex = DUPLEX_HALF;
  11196. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  11197. phy->req_line_speed = SPEED_10;
  11198. break;
  11199. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  11200. phy->req_duplex = DUPLEX_HALF;
  11201. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  11202. phy->req_line_speed = SPEED_100;
  11203. break;
  11204. case PORT_FEATURE_LINK_SPEED_1G:
  11205. phy->req_line_speed = SPEED_1000;
  11206. break;
  11207. case PORT_FEATURE_LINK_SPEED_2_5G:
  11208. phy->req_line_speed = SPEED_2500;
  11209. break;
  11210. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  11211. phy->req_line_speed = SPEED_10000;
  11212. break;
  11213. default:
  11214. phy->req_line_speed = SPEED_AUTO_NEG;
  11215. break;
  11216. }
  11217. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  11218. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  11219. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  11220. break;
  11221. case PORT_FEATURE_FLOW_CONTROL_TX:
  11222. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  11223. break;
  11224. case PORT_FEATURE_FLOW_CONTROL_RX:
  11225. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  11226. break;
  11227. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  11228. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  11229. break;
  11230. default:
  11231. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11232. break;
  11233. }
  11234. }
  11235. u32 bnx2x_phy_selection(struct link_params *params)
  11236. {
  11237. u32 phy_config_swapped, prio_cfg;
  11238. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  11239. phy_config_swapped = params->multi_phy_config &
  11240. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  11241. prio_cfg = params->multi_phy_config &
  11242. PORT_HW_CFG_PHY_SELECTION_MASK;
  11243. if (phy_config_swapped) {
  11244. switch (prio_cfg) {
  11245. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  11246. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  11247. break;
  11248. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  11249. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  11250. break;
  11251. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  11252. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  11253. break;
  11254. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  11255. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  11256. break;
  11257. }
  11258. } else
  11259. return_cfg = prio_cfg;
  11260. return return_cfg;
  11261. }
  11262. int bnx2x_phy_probe(struct link_params *params)
  11263. {
  11264. u8 phy_index, actual_phy_idx;
  11265. u32 phy_config_swapped, sync_offset, media_types;
  11266. struct bnx2x *bp = params->bp;
  11267. struct bnx2x_phy *phy;
  11268. params->num_phys = 0;
  11269. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  11270. phy_config_swapped = params->multi_phy_config &
  11271. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  11272. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11273. phy_index++) {
  11274. actual_phy_idx = phy_index;
  11275. if (phy_config_swapped) {
  11276. if (phy_index == EXT_PHY1)
  11277. actual_phy_idx = EXT_PHY2;
  11278. else if (phy_index == EXT_PHY2)
  11279. actual_phy_idx = EXT_PHY1;
  11280. }
  11281. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  11282. " actual_phy_idx %x\n", phy_config_swapped,
  11283. phy_index, actual_phy_idx);
  11284. phy = &params->phy[actual_phy_idx];
  11285. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  11286. params->shmem2_base, params->port,
  11287. phy) != 0) {
  11288. params->num_phys = 0;
  11289. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  11290. phy_index);
  11291. for (phy_index = INT_PHY;
  11292. phy_index < MAX_PHYS;
  11293. phy_index++)
  11294. *phy = phy_null;
  11295. return -EINVAL;
  11296. }
  11297. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  11298. break;
  11299. if (params->feature_config_flags &
  11300. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  11301. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  11302. if (!(params->feature_config_flags &
  11303. FEATURE_CONFIG_MT_SUPPORT))
  11304. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  11305. sync_offset = params->shmem_base +
  11306. offsetof(struct shmem_region,
  11307. dev_info.port_hw_config[params->port].media_type);
  11308. media_types = REG_RD(bp, sync_offset);
  11309. /* Update media type for non-PMF sync only for the first time
  11310. * In case the media type changes afterwards, it will be updated
  11311. * using the update_status function
  11312. */
  11313. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  11314. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  11315. actual_phy_idx))) == 0) {
  11316. media_types |= ((phy->media_type &
  11317. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  11318. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  11319. actual_phy_idx));
  11320. }
  11321. REG_WR(bp, sync_offset, media_types);
  11322. bnx2x_phy_def_cfg(params, phy, phy_index);
  11323. params->num_phys++;
  11324. }
  11325. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  11326. return 0;
  11327. }
  11328. static void bnx2x_init_bmac_loopback(struct link_params *params,
  11329. struct link_vars *vars)
  11330. {
  11331. struct bnx2x *bp = params->bp;
  11332. vars->link_up = 1;
  11333. vars->line_speed = SPEED_10000;
  11334. vars->duplex = DUPLEX_FULL;
  11335. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11336. vars->mac_type = MAC_TYPE_BMAC;
  11337. vars->phy_flags = PHY_XGXS_FLAG;
  11338. bnx2x_xgxs_deassert(params);
  11339. /* Set bmac loopback */
  11340. bnx2x_bmac_enable(params, vars, 1, 1);
  11341. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11342. }
  11343. static void bnx2x_init_emac_loopback(struct link_params *params,
  11344. struct link_vars *vars)
  11345. {
  11346. struct bnx2x *bp = params->bp;
  11347. vars->link_up = 1;
  11348. vars->line_speed = SPEED_1000;
  11349. vars->duplex = DUPLEX_FULL;
  11350. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11351. vars->mac_type = MAC_TYPE_EMAC;
  11352. vars->phy_flags = PHY_XGXS_FLAG;
  11353. bnx2x_xgxs_deassert(params);
  11354. /* Set bmac loopback */
  11355. bnx2x_emac_enable(params, vars, 1);
  11356. bnx2x_emac_program(params, vars);
  11357. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11358. }
  11359. static void bnx2x_init_xmac_loopback(struct link_params *params,
  11360. struct link_vars *vars)
  11361. {
  11362. struct bnx2x *bp = params->bp;
  11363. vars->link_up = 1;
  11364. if (!params->req_line_speed[0])
  11365. vars->line_speed = SPEED_10000;
  11366. else
  11367. vars->line_speed = params->req_line_speed[0];
  11368. vars->duplex = DUPLEX_FULL;
  11369. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11370. vars->mac_type = MAC_TYPE_XMAC;
  11371. vars->phy_flags = PHY_XGXS_FLAG;
  11372. /* Set WC to loopback mode since link is required to provide clock
  11373. * to the XMAC in 20G mode
  11374. */
  11375. bnx2x_set_aer_mmd(params, &params->phy[0]);
  11376. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  11377. params->phy[INT_PHY].config_loopback(
  11378. &params->phy[INT_PHY],
  11379. params);
  11380. bnx2x_xmac_enable(params, vars, 1);
  11381. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11382. }
  11383. static void bnx2x_init_umac_loopback(struct link_params *params,
  11384. struct link_vars *vars)
  11385. {
  11386. struct bnx2x *bp = params->bp;
  11387. vars->link_up = 1;
  11388. vars->line_speed = SPEED_1000;
  11389. vars->duplex = DUPLEX_FULL;
  11390. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11391. vars->mac_type = MAC_TYPE_UMAC;
  11392. vars->phy_flags = PHY_XGXS_FLAG;
  11393. bnx2x_umac_enable(params, vars, 1);
  11394. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11395. }
  11396. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11397. struct link_vars *vars)
  11398. {
  11399. struct bnx2x *bp = params->bp;
  11400. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11401. vars->link_up = 1;
  11402. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11403. vars->duplex = DUPLEX_FULL;
  11404. if (params->req_line_speed[0] == SPEED_1000)
  11405. vars->line_speed = SPEED_1000;
  11406. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11407. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11408. vars->line_speed = SPEED_20000;
  11409. else
  11410. vars->line_speed = SPEED_10000;
  11411. if (!USES_WARPCORE(bp))
  11412. bnx2x_xgxs_deassert(params);
  11413. bnx2x_link_initialize(params, vars);
  11414. if (params->req_line_speed[0] == SPEED_1000) {
  11415. if (USES_WARPCORE(bp))
  11416. bnx2x_umac_enable(params, vars, 0);
  11417. else {
  11418. bnx2x_emac_program(params, vars);
  11419. bnx2x_emac_enable(params, vars, 0);
  11420. }
  11421. } else {
  11422. if (USES_WARPCORE(bp))
  11423. bnx2x_xmac_enable(params, vars, 0);
  11424. else
  11425. bnx2x_bmac_enable(params, vars, 0, 1);
  11426. }
  11427. if (params->loopback_mode == LOOPBACK_XGXS) {
  11428. /* Set 10G XGXS loopback */
  11429. int_phy->config_loopback(int_phy, params);
  11430. } else {
  11431. /* Set external phy loopback */
  11432. u8 phy_index;
  11433. for (phy_index = EXT_PHY1;
  11434. phy_index < params->num_phys; phy_index++)
  11435. if (params->phy[phy_index].config_loopback)
  11436. params->phy[phy_index].config_loopback(
  11437. &params->phy[phy_index],
  11438. params);
  11439. }
  11440. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11441. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11442. }
  11443. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11444. {
  11445. struct bnx2x *bp = params->bp;
  11446. u8 val = en * 0x1F;
  11447. /* Open / close the gate between the NIG and the BRB */
  11448. if (!CHIP_IS_E1x(bp))
  11449. val |= en * 0x20;
  11450. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11451. if (!CHIP_IS_E1(bp)) {
  11452. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11453. en*0x3);
  11454. }
  11455. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11456. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11457. }
  11458. static int bnx2x_avoid_link_flap(struct link_params *params,
  11459. struct link_vars *vars)
  11460. {
  11461. u32 phy_idx;
  11462. u32 dont_clear_stat, lfa_sts;
  11463. struct bnx2x *bp = params->bp;
  11464. bnx2x_set_mdio_emac_per_phy(bp, params);
  11465. /* Sync the link parameters */
  11466. bnx2x_link_status_update(params, vars);
  11467. /*
  11468. * The module verification was already done by previous link owner,
  11469. * so this call is meant only to get warning message
  11470. */
  11471. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11472. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11473. if (phy->phy_specific_func) {
  11474. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11475. phy->phy_specific_func(phy, params, PHY_INIT);
  11476. }
  11477. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11478. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11479. (phy->media_type == ETH_PHY_DA_TWINAX))
  11480. bnx2x_verify_sfp_module(phy, params);
  11481. }
  11482. lfa_sts = REG_RD(bp, params->lfa_base +
  11483. offsetof(struct shmem_lfa,
  11484. lfa_sts));
  11485. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11486. /* Re-enable the NIG/MAC */
  11487. if (CHIP_IS_E3(bp)) {
  11488. if (!dont_clear_stat) {
  11489. REG_WR(bp, GRCBASE_MISC +
  11490. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11491. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11492. params->port));
  11493. REG_WR(bp, GRCBASE_MISC +
  11494. MISC_REGISTERS_RESET_REG_2_SET,
  11495. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11496. params->port));
  11497. }
  11498. if (vars->line_speed < SPEED_10000)
  11499. bnx2x_umac_enable(params, vars, 0);
  11500. else
  11501. bnx2x_xmac_enable(params, vars, 0);
  11502. } else {
  11503. if (vars->line_speed < SPEED_10000)
  11504. bnx2x_emac_enable(params, vars, 0);
  11505. else
  11506. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11507. }
  11508. /* Increment LFA count */
  11509. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11510. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11511. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11512. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11513. /* Clear link flap reason */
  11514. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11515. REG_WR(bp, params->lfa_base +
  11516. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11517. /* Disable NIG DRAIN */
  11518. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11519. /* Enable interrupts */
  11520. bnx2x_link_int_enable(params);
  11521. return 0;
  11522. }
  11523. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11524. struct link_vars *vars,
  11525. int lfa_status)
  11526. {
  11527. u32 lfa_sts, cfg_idx, tmp_val;
  11528. struct bnx2x *bp = params->bp;
  11529. bnx2x_link_reset(params, vars, 1);
  11530. if (!params->lfa_base)
  11531. return;
  11532. /* Store the new link parameters */
  11533. REG_WR(bp, params->lfa_base +
  11534. offsetof(struct shmem_lfa, req_duplex),
  11535. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11536. REG_WR(bp, params->lfa_base +
  11537. offsetof(struct shmem_lfa, req_flow_ctrl),
  11538. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11539. REG_WR(bp, params->lfa_base +
  11540. offsetof(struct shmem_lfa, req_line_speed),
  11541. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11542. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11543. REG_WR(bp, params->lfa_base +
  11544. offsetof(struct shmem_lfa,
  11545. speed_cap_mask[cfg_idx]),
  11546. params->speed_cap_mask[cfg_idx]);
  11547. }
  11548. tmp_val = REG_RD(bp, params->lfa_base +
  11549. offsetof(struct shmem_lfa, additional_config));
  11550. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11551. tmp_val |= params->req_fc_auto_adv;
  11552. REG_WR(bp, params->lfa_base +
  11553. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11554. lfa_sts = REG_RD(bp, params->lfa_base +
  11555. offsetof(struct shmem_lfa, lfa_sts));
  11556. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11557. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11558. /* Set link flap reason */
  11559. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11560. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11561. LFA_LINK_FLAP_REASON_OFFSET);
  11562. /* Increment link flap counter */
  11563. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11564. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11565. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11566. << LINK_FLAP_COUNT_OFFSET));
  11567. REG_WR(bp, params->lfa_base +
  11568. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11569. /* Proceed with regular link initialization */
  11570. }
  11571. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11572. {
  11573. int lfa_status;
  11574. struct bnx2x *bp = params->bp;
  11575. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11576. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11577. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11578. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11579. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11580. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11581. vars->link_status = 0;
  11582. vars->phy_link_up = 0;
  11583. vars->link_up = 0;
  11584. vars->line_speed = 0;
  11585. vars->duplex = DUPLEX_FULL;
  11586. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11587. vars->mac_type = MAC_TYPE_NONE;
  11588. vars->phy_flags = 0;
  11589. vars->check_kr2_recovery_cnt = 0;
  11590. params->link_flags = PHY_INITIALIZED;
  11591. /* Driver opens NIG-BRB filters */
  11592. bnx2x_set_rx_filter(params, 1);
  11593. bnx2x_chng_link_count(params, true);
  11594. /* Check if link flap can be avoided */
  11595. lfa_status = bnx2x_check_lfa(params);
  11596. if (lfa_status == 0) {
  11597. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11598. return bnx2x_avoid_link_flap(params, vars);
  11599. }
  11600. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11601. lfa_status);
  11602. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11603. /* Disable attentions */
  11604. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11605. (NIG_MASK_XGXS0_LINK_STATUS |
  11606. NIG_MASK_XGXS0_LINK10G |
  11607. NIG_MASK_SERDES0_LINK_STATUS |
  11608. NIG_MASK_MI_INT));
  11609. bnx2x_emac_init(params, vars);
  11610. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11611. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11612. if (params->num_phys == 0) {
  11613. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11614. return -EINVAL;
  11615. }
  11616. set_phy_vars(params, vars);
  11617. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11618. switch (params->loopback_mode) {
  11619. case LOOPBACK_BMAC:
  11620. bnx2x_init_bmac_loopback(params, vars);
  11621. break;
  11622. case LOOPBACK_EMAC:
  11623. bnx2x_init_emac_loopback(params, vars);
  11624. break;
  11625. case LOOPBACK_XMAC:
  11626. bnx2x_init_xmac_loopback(params, vars);
  11627. break;
  11628. case LOOPBACK_UMAC:
  11629. bnx2x_init_umac_loopback(params, vars);
  11630. break;
  11631. case LOOPBACK_XGXS:
  11632. case LOOPBACK_EXT_PHY:
  11633. bnx2x_init_xgxs_loopback(params, vars);
  11634. break;
  11635. default:
  11636. if (!CHIP_IS_E3(bp)) {
  11637. if (params->switch_cfg == SWITCH_CFG_10G)
  11638. bnx2x_xgxs_deassert(params);
  11639. else
  11640. bnx2x_serdes_deassert(bp, params->port);
  11641. }
  11642. bnx2x_link_initialize(params, vars);
  11643. msleep(30);
  11644. bnx2x_link_int_enable(params);
  11645. break;
  11646. }
  11647. bnx2x_update_mng(params, vars->link_status);
  11648. bnx2x_update_mng_eee(params, vars->eee_status);
  11649. return 0;
  11650. }
  11651. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11652. u8 reset_ext_phy)
  11653. {
  11654. struct bnx2x *bp = params->bp;
  11655. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11656. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11657. /* Disable attentions */
  11658. vars->link_status = 0;
  11659. bnx2x_chng_link_count(params, true);
  11660. bnx2x_update_mng(params, vars->link_status);
  11661. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11662. SHMEM_EEE_ACTIVE_BIT);
  11663. bnx2x_update_mng_eee(params, vars->eee_status);
  11664. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11665. (NIG_MASK_XGXS0_LINK_STATUS |
  11666. NIG_MASK_XGXS0_LINK10G |
  11667. NIG_MASK_SERDES0_LINK_STATUS |
  11668. NIG_MASK_MI_INT));
  11669. /* Activate nig drain */
  11670. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11671. /* Disable nig egress interface */
  11672. if (!CHIP_IS_E3(bp)) {
  11673. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11674. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11675. }
  11676. if (!CHIP_IS_E3(bp)) {
  11677. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11678. } else {
  11679. bnx2x_set_xmac_rxtx(params, 0);
  11680. bnx2x_set_umac_rxtx(params, 0);
  11681. }
  11682. /* Disable emac */
  11683. if (!CHIP_IS_E3(bp))
  11684. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11685. usleep_range(10000, 20000);
  11686. /* The PHY reset is controlled by GPIO 1
  11687. * Hold it as vars low
  11688. */
  11689. /* Clear link led */
  11690. bnx2x_set_mdio_emac_per_phy(bp, params);
  11691. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11692. if (reset_ext_phy) {
  11693. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11694. phy_index++) {
  11695. if (params->phy[phy_index].link_reset) {
  11696. bnx2x_set_aer_mmd(params,
  11697. &params->phy[phy_index]);
  11698. params->phy[phy_index].link_reset(
  11699. &params->phy[phy_index],
  11700. params);
  11701. }
  11702. if (params->phy[phy_index].flags &
  11703. FLAGS_REARM_LATCH_SIGNAL)
  11704. clear_latch_ind = 1;
  11705. }
  11706. }
  11707. if (clear_latch_ind) {
  11708. /* Clear latching indication */
  11709. bnx2x_rearm_latch_signal(bp, port, 0);
  11710. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11711. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11712. }
  11713. if (params->phy[INT_PHY].link_reset)
  11714. params->phy[INT_PHY].link_reset(
  11715. &params->phy[INT_PHY], params);
  11716. /* Disable nig ingress interface */
  11717. if (!CHIP_IS_E3(bp)) {
  11718. /* Reset BigMac */
  11719. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11720. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11721. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11722. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11723. } else {
  11724. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11725. bnx2x_set_xumac_nig(params, 0, 0);
  11726. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11727. MISC_REGISTERS_RESET_REG_2_XMAC)
  11728. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11729. XMAC_CTRL_REG_SOFT_RESET);
  11730. }
  11731. vars->link_up = 0;
  11732. vars->phy_flags = 0;
  11733. return 0;
  11734. }
  11735. int bnx2x_lfa_reset(struct link_params *params,
  11736. struct link_vars *vars)
  11737. {
  11738. struct bnx2x *bp = params->bp;
  11739. vars->link_up = 0;
  11740. vars->phy_flags = 0;
  11741. params->link_flags &= ~PHY_INITIALIZED;
  11742. if (!params->lfa_base)
  11743. return bnx2x_link_reset(params, vars, 1);
  11744. /*
  11745. * Activate NIG drain so that during this time the device won't send
  11746. * anything while it is unable to response.
  11747. */
  11748. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11749. /*
  11750. * Close gracefully the gate from BMAC to NIG such that no half packets
  11751. * are passed.
  11752. */
  11753. if (!CHIP_IS_E3(bp))
  11754. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11755. if (CHIP_IS_E3(bp)) {
  11756. bnx2x_set_xmac_rxtx(params, 0);
  11757. bnx2x_set_umac_rxtx(params, 0);
  11758. }
  11759. /* Wait 10ms for the pipe to clean up*/
  11760. usleep_range(10000, 20000);
  11761. /* Clean the NIG-BRB using the network filters in a way that will
  11762. * not cut a packet in the middle.
  11763. */
  11764. bnx2x_set_rx_filter(params, 0);
  11765. /*
  11766. * Re-open the gate between the BMAC and the NIG, after verifying the
  11767. * gate to the BRB is closed, otherwise packets may arrive to the
  11768. * firmware before driver had initialized it. The target is to achieve
  11769. * minimum management protocol down time.
  11770. */
  11771. if (!CHIP_IS_E3(bp))
  11772. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11773. if (CHIP_IS_E3(bp)) {
  11774. bnx2x_set_xmac_rxtx(params, 1);
  11775. bnx2x_set_umac_rxtx(params, 1);
  11776. }
  11777. /* Disable NIG drain */
  11778. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11779. return 0;
  11780. }
  11781. /****************************************************************************/
  11782. /* Common function */
  11783. /****************************************************************************/
  11784. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11785. u32 shmem_base_path[],
  11786. u32 shmem2_base_path[], u8 phy_index,
  11787. u32 chip_id)
  11788. {
  11789. struct bnx2x_phy phy[PORT_MAX];
  11790. struct bnx2x_phy *phy_blk[PORT_MAX];
  11791. u16 val;
  11792. s8 port = 0;
  11793. s8 port_of_path = 0;
  11794. u32 swap_val, swap_override;
  11795. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11796. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11797. port ^= (swap_val && swap_override);
  11798. bnx2x_ext_phy_hw_reset(bp, port);
  11799. /* PART1 - Reset both phys */
  11800. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11801. u32 shmem_base, shmem2_base;
  11802. /* In E2, same phy is using for port0 of the two paths */
  11803. if (CHIP_IS_E1x(bp)) {
  11804. shmem_base = shmem_base_path[0];
  11805. shmem2_base = shmem2_base_path[0];
  11806. port_of_path = port;
  11807. } else {
  11808. shmem_base = shmem_base_path[port];
  11809. shmem2_base = shmem2_base_path[port];
  11810. port_of_path = 0;
  11811. }
  11812. /* Extract the ext phy address for the port */
  11813. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11814. port_of_path, &phy[port]) !=
  11815. 0) {
  11816. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11817. return -EINVAL;
  11818. }
  11819. /* Disable attentions */
  11820. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11821. port_of_path*4,
  11822. (NIG_MASK_XGXS0_LINK_STATUS |
  11823. NIG_MASK_XGXS0_LINK10G |
  11824. NIG_MASK_SERDES0_LINK_STATUS |
  11825. NIG_MASK_MI_INT));
  11826. /* Need to take the phy out of low power mode in order
  11827. * to write to access its registers
  11828. */
  11829. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11830. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11831. port);
  11832. /* Reset the phy */
  11833. bnx2x_cl45_write(bp, &phy[port],
  11834. MDIO_PMA_DEVAD,
  11835. MDIO_PMA_REG_CTRL,
  11836. 1<<15);
  11837. }
  11838. /* Add delay of 150ms after reset */
  11839. msleep(150);
  11840. if (phy[PORT_0].addr & 0x1) {
  11841. phy_blk[PORT_0] = &(phy[PORT_1]);
  11842. phy_blk[PORT_1] = &(phy[PORT_0]);
  11843. } else {
  11844. phy_blk[PORT_0] = &(phy[PORT_0]);
  11845. phy_blk[PORT_1] = &(phy[PORT_1]);
  11846. }
  11847. /* PART2 - Download firmware to both phys */
  11848. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11849. if (CHIP_IS_E1x(bp))
  11850. port_of_path = port;
  11851. else
  11852. port_of_path = 0;
  11853. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11854. phy_blk[port]->addr);
  11855. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11856. port_of_path))
  11857. return -EINVAL;
  11858. /* Only set bit 10 = 1 (Tx power down) */
  11859. bnx2x_cl45_read(bp, phy_blk[port],
  11860. MDIO_PMA_DEVAD,
  11861. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11862. /* Phase1 of TX_POWER_DOWN reset */
  11863. bnx2x_cl45_write(bp, phy_blk[port],
  11864. MDIO_PMA_DEVAD,
  11865. MDIO_PMA_REG_TX_POWER_DOWN,
  11866. (val | 1<<10));
  11867. }
  11868. /* Toggle Transmitter: Power down and then up with 600ms delay
  11869. * between
  11870. */
  11871. msleep(600);
  11872. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11873. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11874. /* Phase2 of POWER_DOWN_RESET */
  11875. /* Release bit 10 (Release Tx power down) */
  11876. bnx2x_cl45_read(bp, phy_blk[port],
  11877. MDIO_PMA_DEVAD,
  11878. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11879. bnx2x_cl45_write(bp, phy_blk[port],
  11880. MDIO_PMA_DEVAD,
  11881. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11882. usleep_range(15000, 30000);
  11883. /* Read modify write the SPI-ROM version select register */
  11884. bnx2x_cl45_read(bp, phy_blk[port],
  11885. MDIO_PMA_DEVAD,
  11886. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11887. bnx2x_cl45_write(bp, phy_blk[port],
  11888. MDIO_PMA_DEVAD,
  11889. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11890. /* set GPIO2 back to LOW */
  11891. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11892. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11893. }
  11894. return 0;
  11895. }
  11896. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11897. u32 shmem_base_path[],
  11898. u32 shmem2_base_path[], u8 phy_index,
  11899. u32 chip_id)
  11900. {
  11901. u32 val;
  11902. s8 port;
  11903. struct bnx2x_phy phy;
  11904. /* Use port1 because of the static port-swap */
  11905. /* Enable the module detection interrupt */
  11906. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11907. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11908. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11909. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11910. bnx2x_ext_phy_hw_reset(bp, 0);
  11911. usleep_range(5000, 10000);
  11912. for (port = 0; port < PORT_MAX; port++) {
  11913. u32 shmem_base, shmem2_base;
  11914. /* In E2, same phy is using for port0 of the two paths */
  11915. if (CHIP_IS_E1x(bp)) {
  11916. shmem_base = shmem_base_path[0];
  11917. shmem2_base = shmem2_base_path[0];
  11918. } else {
  11919. shmem_base = shmem_base_path[port];
  11920. shmem2_base = shmem2_base_path[port];
  11921. }
  11922. /* Extract the ext phy address for the port */
  11923. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11924. port, &phy) !=
  11925. 0) {
  11926. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11927. return -EINVAL;
  11928. }
  11929. /* Reset phy*/
  11930. bnx2x_cl45_write(bp, &phy,
  11931. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11932. /* Set fault module detected LED on */
  11933. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11934. MISC_REGISTERS_GPIO_HIGH,
  11935. port);
  11936. }
  11937. return 0;
  11938. }
  11939. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11940. u8 *io_gpio, u8 *io_port)
  11941. {
  11942. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11943. offsetof(struct shmem_region,
  11944. dev_info.port_hw_config[PORT_0].default_cfg));
  11945. switch (phy_gpio_reset) {
  11946. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11947. *io_gpio = 0;
  11948. *io_port = 0;
  11949. break;
  11950. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11951. *io_gpio = 1;
  11952. *io_port = 0;
  11953. break;
  11954. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11955. *io_gpio = 2;
  11956. *io_port = 0;
  11957. break;
  11958. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11959. *io_gpio = 3;
  11960. *io_port = 0;
  11961. break;
  11962. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11963. *io_gpio = 0;
  11964. *io_port = 1;
  11965. break;
  11966. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11967. *io_gpio = 1;
  11968. *io_port = 1;
  11969. break;
  11970. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11971. *io_gpio = 2;
  11972. *io_port = 1;
  11973. break;
  11974. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11975. *io_gpio = 3;
  11976. *io_port = 1;
  11977. break;
  11978. default:
  11979. /* Don't override the io_gpio and io_port */
  11980. break;
  11981. }
  11982. }
  11983. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11984. u32 shmem_base_path[],
  11985. u32 shmem2_base_path[], u8 phy_index,
  11986. u32 chip_id)
  11987. {
  11988. s8 port, reset_gpio;
  11989. u32 swap_val, swap_override;
  11990. struct bnx2x_phy phy[PORT_MAX];
  11991. struct bnx2x_phy *phy_blk[PORT_MAX];
  11992. s8 port_of_path;
  11993. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11994. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11995. reset_gpio = MISC_REGISTERS_GPIO_1;
  11996. port = 1;
  11997. /* Retrieve the reset gpio/port which control the reset.
  11998. * Default is GPIO1, PORT1
  11999. */
  12000. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  12001. (u8 *)&reset_gpio, (u8 *)&port);
  12002. /* Calculate the port based on port swap */
  12003. port ^= (swap_val && swap_override);
  12004. /* Initiate PHY reset*/
  12005. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  12006. port);
  12007. usleep_range(1000, 2000);
  12008. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  12009. port);
  12010. usleep_range(5000, 10000);
  12011. /* PART1 - Reset both phys */
  12012. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  12013. u32 shmem_base, shmem2_base;
  12014. /* In E2, same phy is using for port0 of the two paths */
  12015. if (CHIP_IS_E1x(bp)) {
  12016. shmem_base = shmem_base_path[0];
  12017. shmem2_base = shmem2_base_path[0];
  12018. port_of_path = port;
  12019. } else {
  12020. shmem_base = shmem_base_path[port];
  12021. shmem2_base = shmem2_base_path[port];
  12022. port_of_path = 0;
  12023. }
  12024. /* Extract the ext phy address for the port */
  12025. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12026. port_of_path, &phy[port]) !=
  12027. 0) {
  12028. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12029. return -EINVAL;
  12030. }
  12031. /* disable attentions */
  12032. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  12033. port_of_path*4,
  12034. (NIG_MASK_XGXS0_LINK_STATUS |
  12035. NIG_MASK_XGXS0_LINK10G |
  12036. NIG_MASK_SERDES0_LINK_STATUS |
  12037. NIG_MASK_MI_INT));
  12038. /* Reset the phy */
  12039. bnx2x_cl45_write(bp, &phy[port],
  12040. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  12041. }
  12042. /* Add delay of 150ms after reset */
  12043. msleep(150);
  12044. if (phy[PORT_0].addr & 0x1) {
  12045. phy_blk[PORT_0] = &(phy[PORT_1]);
  12046. phy_blk[PORT_1] = &(phy[PORT_0]);
  12047. } else {
  12048. phy_blk[PORT_0] = &(phy[PORT_0]);
  12049. phy_blk[PORT_1] = &(phy[PORT_1]);
  12050. }
  12051. /* PART2 - Download firmware to both phys */
  12052. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  12053. if (CHIP_IS_E1x(bp))
  12054. port_of_path = port;
  12055. else
  12056. port_of_path = 0;
  12057. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  12058. phy_blk[port]->addr);
  12059. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  12060. port_of_path))
  12061. return -EINVAL;
  12062. /* Disable PHY transmitter output */
  12063. bnx2x_cl45_write(bp, phy_blk[port],
  12064. MDIO_PMA_DEVAD,
  12065. MDIO_PMA_REG_TX_DISABLE, 1);
  12066. }
  12067. return 0;
  12068. }
  12069. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  12070. u32 shmem_base_path[],
  12071. u32 shmem2_base_path[],
  12072. u8 phy_index,
  12073. u32 chip_id)
  12074. {
  12075. u8 reset_gpios;
  12076. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  12077. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  12078. udelay(10);
  12079. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  12080. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  12081. reset_gpios);
  12082. return 0;
  12083. }
  12084. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  12085. u32 shmem2_base_path[], u8 phy_index,
  12086. u32 ext_phy_type, u32 chip_id)
  12087. {
  12088. int rc = 0;
  12089. switch (ext_phy_type) {
  12090. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  12091. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  12092. shmem2_base_path,
  12093. phy_index, chip_id);
  12094. break;
  12095. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  12096. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  12097. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  12098. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  12099. shmem2_base_path,
  12100. phy_index, chip_id);
  12101. break;
  12102. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  12103. /* GPIO1 affects both ports, so there's need to pull
  12104. * it for single port alone
  12105. */
  12106. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  12107. shmem2_base_path,
  12108. phy_index, chip_id);
  12109. break;
  12110. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  12111. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  12112. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
  12113. /* GPIO3's are linked, and so both need to be toggled
  12114. * to obtain required 2us pulse.
  12115. */
  12116. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  12117. shmem2_base_path,
  12118. phy_index, chip_id);
  12119. break;
  12120. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  12121. rc = -EINVAL;
  12122. break;
  12123. default:
  12124. DP(NETIF_MSG_LINK,
  12125. "ext_phy 0x%x common init not required\n",
  12126. ext_phy_type);
  12127. break;
  12128. }
  12129. if (rc)
  12130. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  12131. " Port %d\n",
  12132. 0);
  12133. return rc;
  12134. }
  12135. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  12136. u32 shmem2_base_path[], u32 chip_id)
  12137. {
  12138. int rc = 0;
  12139. u32 phy_ver, val;
  12140. u8 phy_index = 0;
  12141. u32 ext_phy_type, ext_phy_config;
  12142. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  12143. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  12144. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  12145. if (CHIP_IS_E3(bp)) {
  12146. /* Enable EPIO */
  12147. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  12148. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  12149. }
  12150. /* Check if common init was already done */
  12151. phy_ver = REG_RD(bp, shmem_base_path[0] +
  12152. offsetof(struct shmem_region,
  12153. port_mb[PORT_0].ext_phy_fw_version));
  12154. if (phy_ver) {
  12155. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  12156. phy_ver);
  12157. return 0;
  12158. }
  12159. /* Read the ext_phy_type for arbitrary port(0) */
  12160. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12161. phy_index++) {
  12162. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  12163. shmem_base_path[0],
  12164. phy_index, 0);
  12165. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  12166. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  12167. shmem2_base_path,
  12168. phy_index, ext_phy_type,
  12169. chip_id);
  12170. }
  12171. return rc;
  12172. }
  12173. static void bnx2x_check_over_curr(struct link_params *params,
  12174. struct link_vars *vars)
  12175. {
  12176. struct bnx2x *bp = params->bp;
  12177. u32 cfg_pin;
  12178. u8 port = params->port;
  12179. u32 pin_val;
  12180. cfg_pin = (REG_RD(bp, params->shmem_base +
  12181. offsetof(struct shmem_region,
  12182. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  12183. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  12184. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  12185. /* Ignore check if no external input PIN available */
  12186. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  12187. return;
  12188. if (!pin_val) {
  12189. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  12190. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  12191. " been detected and the power to "
  12192. "that SFP+ module has been removed"
  12193. " to prevent failure of the card."
  12194. " Please remove the SFP+ module and"
  12195. " restart the system to clear this"
  12196. " error.\n",
  12197. params->port);
  12198. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  12199. bnx2x_warpcore_power_module(params, 0);
  12200. }
  12201. } else
  12202. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  12203. }
  12204. /* Returns 0 if no change occurred since last check; 1 otherwise. */
  12205. static u8 bnx2x_analyze_link_error(struct link_params *params,
  12206. struct link_vars *vars, u32 status,
  12207. u32 phy_flag, u32 link_flag, u8 notify)
  12208. {
  12209. struct bnx2x *bp = params->bp;
  12210. /* Compare new value with previous value */
  12211. u8 led_mode;
  12212. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  12213. if ((status ^ old_status) == 0)
  12214. return 0;
  12215. /* If values differ */
  12216. switch (phy_flag) {
  12217. case PHY_HALF_OPEN_CONN_FLAG:
  12218. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  12219. break;
  12220. case PHY_SFP_TX_FAULT_FLAG:
  12221. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  12222. break;
  12223. default:
  12224. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  12225. }
  12226. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  12227. old_status, status);
  12228. /* Do not touch the link in case physical link down */
  12229. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  12230. return 1;
  12231. /* a. Update shmem->link_status accordingly
  12232. * b. Update link_vars->link_up
  12233. */
  12234. if (status) {
  12235. vars->link_status &= ~LINK_STATUS_LINK_UP;
  12236. vars->link_status |= link_flag;
  12237. vars->link_up = 0;
  12238. vars->phy_flags |= phy_flag;
  12239. /* activate nig drain */
  12240. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  12241. /* Set LED mode to off since the PHY doesn't know about these
  12242. * errors
  12243. */
  12244. led_mode = LED_MODE_OFF;
  12245. } else {
  12246. vars->link_status |= LINK_STATUS_LINK_UP;
  12247. vars->link_status &= ~link_flag;
  12248. vars->link_up = 1;
  12249. vars->phy_flags &= ~phy_flag;
  12250. led_mode = LED_MODE_OPER;
  12251. /* Clear nig drain */
  12252. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  12253. }
  12254. bnx2x_sync_link(params, vars);
  12255. /* Update the LED according to the link state */
  12256. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  12257. /* Update link status in the shared memory */
  12258. bnx2x_update_mng(params, vars->link_status);
  12259. /* C. Trigger General Attention */
  12260. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  12261. if (notify)
  12262. bnx2x_notify_link_changed(bp);
  12263. return 1;
  12264. }
  12265. /******************************************************************************
  12266. * Description:
  12267. * This function checks for half opened connection change indication.
  12268. * When such change occurs, it calls the bnx2x_analyze_link_error
  12269. * to check if Remote Fault is set or cleared. Reception of remote fault
  12270. * status message in the MAC indicates that the peer's MAC has detected
  12271. * a fault, for example, due to break in the TX side of fiber.
  12272. *
  12273. ******************************************************************************/
  12274. static int bnx2x_check_half_open_conn(struct link_params *params,
  12275. struct link_vars *vars,
  12276. u8 notify)
  12277. {
  12278. struct bnx2x *bp = params->bp;
  12279. u32 lss_status = 0;
  12280. u32 mac_base;
  12281. /* In case link status is physically up @ 10G do */
  12282. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  12283. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  12284. return 0;
  12285. if (CHIP_IS_E3(bp) &&
  12286. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  12287. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  12288. /* Check E3 XMAC */
  12289. /* Note that link speed cannot be queried here, since it may be
  12290. * zero while link is down. In case UMAC is active, LSS will
  12291. * simply not be set
  12292. */
  12293. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  12294. /* Clear stick bits (Requires rising edge) */
  12295. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  12296. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  12297. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  12298. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  12299. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  12300. lss_status = 1;
  12301. bnx2x_analyze_link_error(params, vars, lss_status,
  12302. PHY_HALF_OPEN_CONN_FLAG,
  12303. LINK_STATUS_NONE, notify);
  12304. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  12305. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  12306. /* Check E1X / E2 BMAC */
  12307. u32 lss_status_reg;
  12308. u32 wb_data[2];
  12309. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  12310. NIG_REG_INGRESS_BMAC0_MEM;
  12311. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  12312. if (CHIP_IS_E2(bp))
  12313. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  12314. else
  12315. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  12316. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  12317. lss_status = (wb_data[0] > 0);
  12318. bnx2x_analyze_link_error(params, vars, lss_status,
  12319. PHY_HALF_OPEN_CONN_FLAG,
  12320. LINK_STATUS_NONE, notify);
  12321. }
  12322. return 0;
  12323. }
  12324. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  12325. struct link_params *params,
  12326. struct link_vars *vars)
  12327. {
  12328. struct bnx2x *bp = params->bp;
  12329. u32 cfg_pin, value = 0;
  12330. u8 led_change, port = params->port;
  12331. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  12332. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  12333. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  12334. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  12335. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  12336. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  12337. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  12338. return;
  12339. }
  12340. led_change = bnx2x_analyze_link_error(params, vars, value,
  12341. PHY_SFP_TX_FAULT_FLAG,
  12342. LINK_STATUS_SFP_TX_FAULT, 1);
  12343. if (led_change) {
  12344. /* Change TX_Fault led, set link status for further syncs */
  12345. u8 led_mode;
  12346. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  12347. led_mode = MISC_REGISTERS_GPIO_HIGH;
  12348. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  12349. } else {
  12350. led_mode = MISC_REGISTERS_GPIO_LOW;
  12351. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12352. }
  12353. /* If module is unapproved, led should be on regardless */
  12354. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  12355. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  12356. led_mode);
  12357. bnx2x_set_e3_module_fault_led(params, led_mode);
  12358. }
  12359. }
  12360. }
  12361. static void bnx2x_kr2_recovery(struct link_params *params,
  12362. struct link_vars *vars,
  12363. struct bnx2x_phy *phy)
  12364. {
  12365. struct bnx2x *bp = params->bp;
  12366. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  12367. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  12368. bnx2x_warpcore_restart_AN_KR(phy, params);
  12369. }
  12370. static void bnx2x_check_kr2_wa(struct link_params *params,
  12371. struct link_vars *vars,
  12372. struct bnx2x_phy *phy)
  12373. {
  12374. struct bnx2x *bp = params->bp;
  12375. u16 base_page, next_page, not_kr2_device, lane;
  12376. int sigdet;
  12377. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  12378. * Since some switches tend to reinit the AN process and clear the
  12379. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  12380. * and recovered many times
  12381. */
  12382. if (vars->check_kr2_recovery_cnt > 0) {
  12383. vars->check_kr2_recovery_cnt--;
  12384. return;
  12385. }
  12386. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  12387. if (!sigdet) {
  12388. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12389. bnx2x_kr2_recovery(params, vars, phy);
  12390. DP(NETIF_MSG_LINK, "No sigdet\n");
  12391. }
  12392. return;
  12393. }
  12394. lane = bnx2x_get_warpcore_lane(phy, params);
  12395. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12396. MDIO_AER_BLOCK_AER_REG, lane);
  12397. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12398. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12399. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12400. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12401. bnx2x_set_aer_mmd(params, phy);
  12402. /* CL73 has not begun yet */
  12403. if (base_page == 0) {
  12404. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12405. bnx2x_kr2_recovery(params, vars, phy);
  12406. DP(NETIF_MSG_LINK, "No BP\n");
  12407. }
  12408. return;
  12409. }
  12410. /* In case NP bit is not set in the BasePage, or it is set,
  12411. * but only KX is advertised, declare this link partner as non-KR2
  12412. * device.
  12413. */
  12414. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12415. (((base_page & 0x8000) &&
  12416. ((next_page & 0xe0) == 0x20))));
  12417. /* In case KR2 is already disabled, check if we need to re-enable it */
  12418. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12419. if (!not_kr2_device) {
  12420. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12421. next_page);
  12422. bnx2x_kr2_recovery(params, vars, phy);
  12423. }
  12424. return;
  12425. }
  12426. /* KR2 is enabled, but not KR2 device */
  12427. if (not_kr2_device) {
  12428. /* Disable KR2 on both lanes */
  12429. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12430. bnx2x_disable_kr2(params, vars, phy);
  12431. /* Restart AN on leading lane */
  12432. bnx2x_warpcore_restart_AN_KR(phy, params);
  12433. return;
  12434. }
  12435. }
  12436. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12437. {
  12438. u16 phy_idx;
  12439. struct bnx2x *bp = params->bp;
  12440. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12441. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12442. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12443. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12444. 0)
  12445. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12446. break;
  12447. }
  12448. }
  12449. if (CHIP_IS_E3(bp)) {
  12450. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12451. bnx2x_set_aer_mmd(params, phy);
  12452. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  12453. (phy->speed_cap_mask &
  12454. PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  12455. (phy->req_line_speed == SPEED_20000))
  12456. bnx2x_check_kr2_wa(params, vars, phy);
  12457. bnx2x_check_over_curr(params, vars);
  12458. if (vars->rx_tx_asic_rst)
  12459. bnx2x_warpcore_config_runtime(phy, params, vars);
  12460. if ((REG_RD(bp, params->shmem_base +
  12461. offsetof(struct shmem_region, dev_info.
  12462. port_hw_config[params->port].default_cfg))
  12463. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12464. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12465. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12466. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12467. } else if (vars->link_status &
  12468. LINK_STATUS_SFP_TX_FAULT) {
  12469. /* Clean trail, interrupt corrects the leds */
  12470. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12471. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12472. /* Update link status in the shared memory */
  12473. bnx2x_update_mng(params, vars->link_status);
  12474. }
  12475. }
  12476. }
  12477. }
  12478. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12479. u32 shmem_base,
  12480. u32 shmem2_base,
  12481. u8 port)
  12482. {
  12483. u8 phy_index, fan_failure_det_req = 0;
  12484. struct bnx2x_phy phy;
  12485. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12486. phy_index++) {
  12487. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12488. port, &phy)
  12489. != 0) {
  12490. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12491. return 0;
  12492. }
  12493. fan_failure_det_req |= (phy.flags &
  12494. FLAGS_FAN_FAILURE_DET_REQ);
  12495. }
  12496. return fan_failure_det_req;
  12497. }
  12498. void bnx2x_hw_reset_phy(struct link_params *params)
  12499. {
  12500. u8 phy_index;
  12501. struct bnx2x *bp = params->bp;
  12502. bnx2x_update_mng(params, 0);
  12503. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12504. (NIG_MASK_XGXS0_LINK_STATUS |
  12505. NIG_MASK_XGXS0_LINK10G |
  12506. NIG_MASK_SERDES0_LINK_STATUS |
  12507. NIG_MASK_MI_INT));
  12508. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12509. phy_index++) {
  12510. if (params->phy[phy_index].hw_reset) {
  12511. params->phy[phy_index].hw_reset(
  12512. &params->phy[phy_index],
  12513. params);
  12514. params->phy[phy_index] = phy_null;
  12515. }
  12516. }
  12517. }
  12518. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12519. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12520. u8 port)
  12521. {
  12522. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12523. u32 val;
  12524. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12525. if (CHIP_IS_E3(bp)) {
  12526. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12527. shmem_base,
  12528. port,
  12529. &gpio_num,
  12530. &gpio_port) != 0)
  12531. return;
  12532. } else {
  12533. struct bnx2x_phy phy;
  12534. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12535. phy_index++) {
  12536. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12537. shmem2_base, port, &phy)
  12538. != 0) {
  12539. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12540. return;
  12541. }
  12542. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12543. gpio_num = MISC_REGISTERS_GPIO_3;
  12544. gpio_port = port;
  12545. break;
  12546. }
  12547. }
  12548. }
  12549. if (gpio_num == 0xff)
  12550. return;
  12551. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12552. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12553. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12554. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12555. gpio_port ^= (swap_val && swap_override);
  12556. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12557. (gpio_num + (gpio_port << 2));
  12558. sync_offset = shmem_base +
  12559. offsetof(struct shmem_region,
  12560. dev_info.port_hw_config[port].aeu_int_mask);
  12561. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12562. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12563. gpio_num, gpio_port, vars->aeu_int_mask);
  12564. if (port == 0)
  12565. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12566. else
  12567. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12568. /* Open appropriate AEU for interrupts */
  12569. aeu_mask = REG_RD(bp, offset);
  12570. aeu_mask |= vars->aeu_int_mask;
  12571. REG_WR(bp, offset, aeu_mask);
  12572. /* Enable the GPIO to trigger interrupt */
  12573. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12574. val |= 1 << (gpio_num + (gpio_port << 2));
  12575. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12576. }