bnx2x_link.c 400 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  27. struct link_params *params,
  28. u8 dev_addr, u16 addr, u8 byte_cnt,
  29. u8 *o_buf, u8);
  30. /********************************************************/
  31. #define ETH_HLEN 14
  32. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  33. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  34. #define ETH_MIN_PACKET_SIZE 60
  35. #define ETH_MAX_PACKET_SIZE 1500
  36. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  37. #define MDIO_ACCESS_TIMEOUT 1000
  38. #define WC_LANE_MAX 4
  39. #define I2C_SWITCH_WIDTH 2
  40. #define I2C_BSC0 0
  41. #define I2C_BSC1 1
  42. #define I2C_WA_RETRY_CNT 3
  43. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  44. #define MCPR_IMC_COMMAND_READ_OP 1
  45. #define MCPR_IMC_COMMAND_WRITE_OP 2
  46. /* LED Blink rate that will achieve ~15.9Hz */
  47. #define LED_BLINK_RATE_VAL_E3 354
  48. #define LED_BLINK_RATE_VAL_E1X_E2 480
  49. /***********************************************************/
  50. /* Shortcut definitions */
  51. /***********************************************************/
  52. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  53. #define NIG_STATUS_EMAC0_MI_INT \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  55. #define NIG_STATUS_XGXS0_LINK10G \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  57. #define NIG_STATUS_XGXS0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  59. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  60. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  61. #define NIG_STATUS_SERDES0_LINK_STATUS \
  62. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  63. #define NIG_MASK_MI_INT \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  65. #define NIG_MASK_XGXS0_LINK10G \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  67. #define NIG_MASK_XGXS0_LINK_STATUS \
  68. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  69. #define NIG_MASK_SERDES0_LINK_STATUS \
  70. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  71. #define MDIO_AN_CL73_OR_37_COMPLETE \
  72. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  73. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  74. #define XGXS_RESET_BITS \
  75. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  80. #define SERDES_RESET_BITS \
  81. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  82. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  83. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  84. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  85. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  86. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  87. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  88. #define AUTONEG_PARALLEL \
  89. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  90. #define AUTONEG_SGMII_FIBER_AUTODET \
  91. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  92. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  93. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  95. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  97. #define GP_STATUS_SPEED_MASK \
  98. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  99. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  100. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  101. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  102. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  103. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  104. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  105. #define GP_STATUS_10G_HIG \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  107. #define GP_STATUS_10G_CX4 \
  108. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  109. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  110. #define GP_STATUS_10G_KX4 \
  111. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  112. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  113. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  114. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  115. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  116. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  117. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  118. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  119. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  120. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  121. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  122. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  123. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  124. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  125. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  126. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  127. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  128. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  129. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  130. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  131. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  132. #define LINK_UPDATE_MASK \
  133. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  134. LINK_STATUS_LINK_UP | \
  135. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  136. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  137. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  138. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  139. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  140. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  141. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  142. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  143. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  144. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  145. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  146. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  147. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  148. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  149. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  150. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  151. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  152. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  153. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  154. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  155. #define SFP_EEPROM_OPTIONS_SIZE 2
  156. #define EDC_MODE_LINEAR 0x0022
  157. #define EDC_MODE_LIMITING 0x0044
  158. #define EDC_MODE_PASSIVE_DAC 0x0055
  159. #define EDC_MODE_ACTIVE_DAC 0x0066
  160. /* ETS defines*/
  161. #define DCBX_INVALID_COS (0xFF)
  162. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  163. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  164. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  165. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  166. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  167. #define MAX_PACKET_SIZE (9700)
  168. #define MAX_KR_LINK_RETRY 4
  169. /**********************************************************/
  170. /* INTERFACE */
  171. /**********************************************************/
  172. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  173. bnx2x_cl45_write(_bp, _phy, \
  174. (_phy)->def_md_devad, \
  175. (_bank + (_addr & 0xf)), \
  176. _val)
  177. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  178. bnx2x_cl45_read(_bp, _phy, \
  179. (_phy)->def_md_devad, \
  180. (_bank + (_addr & 0xf)), \
  181. _val)
  182. static int bnx2x_check_half_open_conn(struct link_params *params,
  183. struct link_vars *vars, u8 notify);
  184. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  185. struct link_params *params);
  186. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  187. {
  188. u32 val = REG_RD(bp, reg);
  189. val |= bits;
  190. REG_WR(bp, reg, val);
  191. return val;
  192. }
  193. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  194. {
  195. u32 val = REG_RD(bp, reg);
  196. val &= ~bits;
  197. REG_WR(bp, reg, val);
  198. return val;
  199. }
  200. /*
  201. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  202. * or link flap can be avoided.
  203. *
  204. * @params: link parameters
  205. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  206. * condition code.
  207. */
  208. static int bnx2x_check_lfa(struct link_params *params)
  209. {
  210. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  211. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  212. u32 saved_val, req_val, eee_status;
  213. struct bnx2x *bp = params->bp;
  214. additional_config =
  215. REG_RD(bp, params->lfa_base +
  216. offsetof(struct shmem_lfa, additional_config));
  217. /* NOTE: must be first condition checked -
  218. * to verify DCC bit is cleared in any case!
  219. */
  220. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  221. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  222. REG_WR(bp, params->lfa_base +
  223. offsetof(struct shmem_lfa, additional_config),
  224. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  225. return LFA_DCC_LFA_DISABLED;
  226. }
  227. /* Verify that link is up */
  228. link_status = REG_RD(bp, params->shmem_base +
  229. offsetof(struct shmem_region,
  230. port_mb[params->port].link_status));
  231. if (!(link_status & LINK_STATUS_LINK_UP))
  232. return LFA_LINK_DOWN;
  233. /* if loaded after BOOT from SAN, don't flap the link in any case and
  234. * rely on link set by preboot driver
  235. */
  236. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  237. return 0;
  238. /* Verify that loopback mode is not set */
  239. if (params->loopback_mode)
  240. return LFA_LOOPBACK_ENABLED;
  241. /* Verify that MFW supports LFA */
  242. if (!params->lfa_base)
  243. return LFA_MFW_IS_TOO_OLD;
  244. if (params->num_phys == 3) {
  245. cfg_size = 2;
  246. lfa_mask = 0xffffffff;
  247. } else {
  248. cfg_size = 1;
  249. lfa_mask = 0xffff;
  250. }
  251. /* Compare Duplex */
  252. saved_val = REG_RD(bp, params->lfa_base +
  253. offsetof(struct shmem_lfa, req_duplex));
  254. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  255. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  256. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  257. (saved_val & lfa_mask), (req_val & lfa_mask));
  258. return LFA_DUPLEX_MISMATCH;
  259. }
  260. /* Compare Flow Control */
  261. saved_val = REG_RD(bp, params->lfa_base +
  262. offsetof(struct shmem_lfa, req_flow_ctrl));
  263. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  264. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  265. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  266. (saved_val & lfa_mask), (req_val & lfa_mask));
  267. return LFA_FLOW_CTRL_MISMATCH;
  268. }
  269. /* Compare Link Speed */
  270. saved_val = REG_RD(bp, params->lfa_base +
  271. offsetof(struct shmem_lfa, req_line_speed));
  272. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  273. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  274. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  275. (saved_val & lfa_mask), (req_val & lfa_mask));
  276. return LFA_LINK_SPEED_MISMATCH;
  277. }
  278. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  279. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  280. offsetof(struct shmem_lfa,
  281. speed_cap_mask[cfg_idx]));
  282. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  283. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  284. cur_speed_cap_mask,
  285. params->speed_cap_mask[cfg_idx]);
  286. return LFA_SPEED_CAP_MISMATCH;
  287. }
  288. }
  289. cur_req_fc_auto_adv =
  290. REG_RD(bp, params->lfa_base +
  291. offsetof(struct shmem_lfa, additional_config)) &
  292. REQ_FC_AUTO_ADV_MASK;
  293. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  294. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  295. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  296. return LFA_FLOW_CTRL_MISMATCH;
  297. }
  298. eee_status = REG_RD(bp, params->shmem2_base +
  299. offsetof(struct shmem2_region,
  300. eee_status[params->port]));
  301. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  302. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  303. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  304. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  305. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  306. eee_status);
  307. return LFA_EEE_MISMATCH;
  308. }
  309. /* LFA conditions are met */
  310. return 0;
  311. }
  312. /******************************************************************/
  313. /* EPIO/GPIO section */
  314. /******************************************************************/
  315. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  316. {
  317. u32 epio_mask, gp_oenable;
  318. *en = 0;
  319. /* Sanity check */
  320. if (epio_pin > 31) {
  321. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  322. return;
  323. }
  324. epio_mask = 1 << epio_pin;
  325. /* Set this EPIO to output */
  326. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  327. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  328. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  329. }
  330. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  331. {
  332. u32 epio_mask, gp_output, gp_oenable;
  333. /* Sanity check */
  334. if (epio_pin > 31) {
  335. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  336. return;
  337. }
  338. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  339. epio_mask = 1 << epio_pin;
  340. /* Set this EPIO to output */
  341. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  342. if (en)
  343. gp_output |= epio_mask;
  344. else
  345. gp_output &= ~epio_mask;
  346. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  347. /* Set the value for this EPIO */
  348. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  349. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  350. }
  351. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  352. {
  353. if (pin_cfg == PIN_CFG_NA)
  354. return;
  355. if (pin_cfg >= PIN_CFG_EPIO0) {
  356. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  357. } else {
  358. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  359. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  360. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  361. }
  362. }
  363. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  364. {
  365. if (pin_cfg == PIN_CFG_NA)
  366. return -EINVAL;
  367. if (pin_cfg >= PIN_CFG_EPIO0) {
  368. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  369. } else {
  370. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  371. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  372. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  373. }
  374. return 0;
  375. }
  376. /******************************************************************/
  377. /* ETS section */
  378. /******************************************************************/
  379. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  380. {
  381. /* ETS disabled configuration*/
  382. struct bnx2x *bp = params->bp;
  383. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  384. /* mapping between entry priority to client number (0,1,2 -debug and
  385. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  386. * 3bits client num.
  387. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  388. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  389. */
  390. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  391. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  392. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  393. * COS0 entry, 4 - COS1 entry.
  394. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  395. * bit4 bit3 bit2 bit1 bit0
  396. * MCP and debug are strict
  397. */
  398. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  399. /* defines which entries (clients) are subjected to WFQ arbitration */
  400. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  401. /* For strict priority entries defines the number of consecutive
  402. * slots for the highest priority.
  403. */
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  405. /* mapping between the CREDIT_WEIGHT registers and actual client
  406. * numbers
  407. */
  408. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  409. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  410. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  411. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  412. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  413. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  414. /* ETS mode disable */
  415. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  416. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  417. * weight for COS0/COS1.
  418. */
  419. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  420. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  421. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  422. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  423. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  424. /* Defines the number of consecutive slots for the strict priority */
  425. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  426. }
  427. /******************************************************************************
  428. * Description:
  429. * Getting min_w_val will be set according to line speed .
  430. *.
  431. ******************************************************************************/
  432. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  433. {
  434. u32 min_w_val = 0;
  435. /* Calculate min_w_val.*/
  436. if (vars->link_up) {
  437. if (vars->line_speed == SPEED_20000)
  438. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  439. else
  440. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  441. } else
  442. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  443. /* If the link isn't up (static configuration for example ) The
  444. * link will be according to 20GBPS.
  445. */
  446. return min_w_val;
  447. }
  448. /******************************************************************************
  449. * Description:
  450. * Getting credit upper bound form min_w_val.
  451. *.
  452. ******************************************************************************/
  453. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  454. {
  455. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  456. MAX_PACKET_SIZE);
  457. return credit_upper_bound;
  458. }
  459. /******************************************************************************
  460. * Description:
  461. * Set credit upper bound for NIG.
  462. *.
  463. ******************************************************************************/
  464. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  465. const struct link_params *params,
  466. const u32 min_w_val)
  467. {
  468. struct bnx2x *bp = params->bp;
  469. const u8 port = params->port;
  470. const u32 credit_upper_bound =
  471. bnx2x_ets_get_credit_upper_bound(min_w_val);
  472. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  473. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  474. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  475. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  476. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  477. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  478. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  479. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  480. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  481. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  482. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  483. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  484. if (!port) {
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  486. credit_upper_bound);
  487. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  488. credit_upper_bound);
  489. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  490. credit_upper_bound);
  491. }
  492. }
  493. /******************************************************************************
  494. * Description:
  495. * Will return the NIG ETS registers to init values.Except
  496. * credit_upper_bound.
  497. * That isn't used in this configuration (No WFQ is enabled) and will be
  498. * configured acording to spec
  499. *.
  500. ******************************************************************************/
  501. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  502. const struct link_vars *vars)
  503. {
  504. struct bnx2x *bp = params->bp;
  505. const u8 port = params->port;
  506. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  507. /* Mapping between entry priority to client number (0,1,2 -debug and
  508. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  509. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  510. * reset value or init tool
  511. */
  512. if (port) {
  513. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  514. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  515. } else {
  516. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  517. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  518. }
  519. /* For strict priority entries defines the number of consecutive
  520. * slots for the highest priority.
  521. */
  522. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  523. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  524. /* Mapping between the CREDIT_WEIGHT registers and actual client
  525. * numbers
  526. */
  527. if (port) {
  528. /*Port 1 has 6 COS*/
  529. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  530. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  531. } else {
  532. /*Port 0 has 9 COS*/
  533. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  534. 0x43210876);
  535. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  536. }
  537. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  538. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  539. * COS0 entry, 4 - COS1 entry.
  540. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  541. * bit4 bit3 bit2 bit1 bit0
  542. * MCP and debug are strict
  543. */
  544. if (port)
  545. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  546. else
  547. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  548. /* defines which entries (clients) are subjected to WFQ arbitration */
  549. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  550. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  551. /* Please notice the register address are note continuous and a
  552. * for here is note appropriate.In 2 port mode port0 only COS0-5
  553. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  554. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  555. * are never used for WFQ
  556. */
  557. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  558. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  559. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  560. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  561. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  562. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  563. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  564. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  565. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  566. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  567. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  568. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  569. if (!port) {
  570. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  571. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  572. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  573. }
  574. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  575. }
  576. /******************************************************************************
  577. * Description:
  578. * Set credit upper bound for PBF.
  579. *.
  580. ******************************************************************************/
  581. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  582. const struct link_params *params,
  583. const u32 min_w_val)
  584. {
  585. struct bnx2x *bp = params->bp;
  586. const u32 credit_upper_bound =
  587. bnx2x_ets_get_credit_upper_bound(min_w_val);
  588. const u8 port = params->port;
  589. u32 base_upper_bound = 0;
  590. u8 max_cos = 0;
  591. u8 i = 0;
  592. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  593. * port mode port1 has COS0-2 that can be used for WFQ.
  594. */
  595. if (!port) {
  596. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  597. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  598. } else {
  599. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  600. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  601. }
  602. for (i = 0; i < max_cos; i++)
  603. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  604. }
  605. /******************************************************************************
  606. * Description:
  607. * Will return the PBF ETS registers to init values.Except
  608. * credit_upper_bound.
  609. * That isn't used in this configuration (No WFQ is enabled) and will be
  610. * configured acording to spec
  611. *.
  612. ******************************************************************************/
  613. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  614. {
  615. struct bnx2x *bp = params->bp;
  616. const u8 port = params->port;
  617. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  618. u8 i = 0;
  619. u32 base_weight = 0;
  620. u8 max_cos = 0;
  621. /* Mapping between entry priority to client number 0 - COS0
  622. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  623. * TODO_ETS - Should be done by reset value or init tool
  624. */
  625. if (port)
  626. /* 0x688 (|011|0 10|00 1|000) */
  627. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  628. else
  629. /* (10 1|100 |011|0 10|00 1|000) */
  630. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  631. /* TODO_ETS - Should be done by reset value or init tool */
  632. if (port)
  633. /* 0x688 (|011|0 10|00 1|000)*/
  634. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  635. else
  636. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  637. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  638. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  639. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  640. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  641. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  642. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  643. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  644. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  645. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  646. */
  647. if (!port) {
  648. base_weight = PBF_REG_COS0_WEIGHT_P0;
  649. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  650. } else {
  651. base_weight = PBF_REG_COS0_WEIGHT_P1;
  652. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  653. }
  654. for (i = 0; i < max_cos; i++)
  655. REG_WR(bp, base_weight + (0x4 * i), 0);
  656. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  657. }
  658. /******************************************************************************
  659. * Description:
  660. * E3B0 disable will return basicly the values to init values.
  661. *.
  662. ******************************************************************************/
  663. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  664. const struct link_vars *vars)
  665. {
  666. struct bnx2x *bp = params->bp;
  667. if (!CHIP_IS_E3B0(bp)) {
  668. DP(NETIF_MSG_LINK,
  669. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  670. return -EINVAL;
  671. }
  672. bnx2x_ets_e3b0_nig_disabled(params, vars);
  673. bnx2x_ets_e3b0_pbf_disabled(params);
  674. return 0;
  675. }
  676. /******************************************************************************
  677. * Description:
  678. * Disable will return basicly the values to init values.
  679. *
  680. ******************************************************************************/
  681. int bnx2x_ets_disabled(struct link_params *params,
  682. struct link_vars *vars)
  683. {
  684. struct bnx2x *bp = params->bp;
  685. int bnx2x_status = 0;
  686. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  687. bnx2x_ets_e2e3a0_disabled(params);
  688. else if (CHIP_IS_E3B0(bp))
  689. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  690. else {
  691. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  692. return -EINVAL;
  693. }
  694. return bnx2x_status;
  695. }
  696. /******************************************************************************
  697. * Description
  698. * Set the COS mappimg to SP and BW until this point all the COS are not
  699. * set as SP or BW.
  700. ******************************************************************************/
  701. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  702. const struct bnx2x_ets_params *ets_params,
  703. const u8 cos_sp_bitmap,
  704. const u8 cos_bw_bitmap)
  705. {
  706. struct bnx2x *bp = params->bp;
  707. const u8 port = params->port;
  708. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  709. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  710. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  711. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  712. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  713. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  714. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  715. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  716. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  717. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  718. nig_cli_subject2wfq_bitmap);
  719. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  720. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  721. pbf_cli_subject2wfq_bitmap);
  722. return 0;
  723. }
  724. /******************************************************************************
  725. * Description:
  726. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  727. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  728. ******************************************************************************/
  729. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  730. const u8 cos_entry,
  731. const u32 min_w_val_nig,
  732. const u32 min_w_val_pbf,
  733. const u16 total_bw,
  734. const u8 bw,
  735. const u8 port)
  736. {
  737. u32 nig_reg_adress_crd_weight = 0;
  738. u32 pbf_reg_adress_crd_weight = 0;
  739. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  740. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  741. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  742. switch (cos_entry) {
  743. case 0:
  744. nig_reg_adress_crd_weight =
  745. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  746. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  747. pbf_reg_adress_crd_weight = (port) ?
  748. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  749. break;
  750. case 1:
  751. nig_reg_adress_crd_weight = (port) ?
  752. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  754. pbf_reg_adress_crd_weight = (port) ?
  755. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  756. break;
  757. case 2:
  758. nig_reg_adress_crd_weight = (port) ?
  759. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  760. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  761. pbf_reg_adress_crd_weight = (port) ?
  762. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  763. break;
  764. case 3:
  765. if (port)
  766. return -EINVAL;
  767. nig_reg_adress_crd_weight =
  768. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  769. pbf_reg_adress_crd_weight =
  770. PBF_REG_COS3_WEIGHT_P0;
  771. break;
  772. case 4:
  773. if (port)
  774. return -EINVAL;
  775. nig_reg_adress_crd_weight =
  776. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  777. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  778. break;
  779. case 5:
  780. if (port)
  781. return -EINVAL;
  782. nig_reg_adress_crd_weight =
  783. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  784. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  785. break;
  786. }
  787. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  788. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  789. return 0;
  790. }
  791. /******************************************************************************
  792. * Description:
  793. * Calculate the total BW.A value of 0 isn't legal.
  794. *
  795. ******************************************************************************/
  796. static int bnx2x_ets_e3b0_get_total_bw(
  797. const struct link_params *params,
  798. struct bnx2x_ets_params *ets_params,
  799. u16 *total_bw)
  800. {
  801. struct bnx2x *bp = params->bp;
  802. u8 cos_idx = 0;
  803. u8 is_bw_cos_exist = 0;
  804. *total_bw = 0 ;
  805. /* Calculate total BW requested */
  806. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  807. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  808. is_bw_cos_exist = 1;
  809. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  810. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  811. "was set to 0\n");
  812. /* This is to prevent a state when ramrods
  813. * can't be sent
  814. */
  815. ets_params->cos[cos_idx].params.bw_params.bw
  816. = 1;
  817. }
  818. *total_bw +=
  819. ets_params->cos[cos_idx].params.bw_params.bw;
  820. }
  821. }
  822. /* Check total BW is valid */
  823. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  824. if (*total_bw == 0) {
  825. DP(NETIF_MSG_LINK,
  826. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  827. return -EINVAL;
  828. }
  829. DP(NETIF_MSG_LINK,
  830. "bnx2x_ets_E3B0_config total BW should be 100\n");
  831. /* We can handle a case whre the BW isn't 100 this can happen
  832. * if the TC are joined.
  833. */
  834. }
  835. return 0;
  836. }
  837. /******************************************************************************
  838. * Description:
  839. * Invalidate all the sp_pri_to_cos.
  840. *
  841. ******************************************************************************/
  842. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  843. {
  844. u8 pri = 0;
  845. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  846. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  847. }
  848. /******************************************************************************
  849. * Description:
  850. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  851. * according to sp_pri_to_cos.
  852. *
  853. ******************************************************************************/
  854. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  855. u8 *sp_pri_to_cos, const u8 pri,
  856. const u8 cos_entry)
  857. {
  858. struct bnx2x *bp = params->bp;
  859. const u8 port = params->port;
  860. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  861. DCBX_E3B0_MAX_NUM_COS_PORT0;
  862. if (pri >= max_num_of_cos) {
  863. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  864. "parameter Illegal strict priority\n");
  865. return -EINVAL;
  866. }
  867. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  868. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  869. "parameter There can't be two COS's with "
  870. "the same strict pri\n");
  871. return -EINVAL;
  872. }
  873. sp_pri_to_cos[pri] = cos_entry;
  874. return 0;
  875. }
  876. /******************************************************************************
  877. * Description:
  878. * Returns the correct value according to COS and priority in
  879. * the sp_pri_cli register.
  880. *
  881. ******************************************************************************/
  882. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  883. const u8 pri_set,
  884. const u8 pri_offset,
  885. const u8 entry_size)
  886. {
  887. u64 pri_cli_nig = 0;
  888. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  889. (pri_set + pri_offset));
  890. return pri_cli_nig;
  891. }
  892. /******************************************************************************
  893. * Description:
  894. * Returns the correct value according to COS and priority in the
  895. * sp_pri_cli register for NIG.
  896. *
  897. ******************************************************************************/
  898. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  899. {
  900. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  901. const u8 nig_cos_offset = 3;
  902. const u8 nig_pri_offset = 3;
  903. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  904. nig_pri_offset, 4);
  905. }
  906. /******************************************************************************
  907. * Description:
  908. * Returns the correct value according to COS and priority in the
  909. * sp_pri_cli register for PBF.
  910. *
  911. ******************************************************************************/
  912. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  913. {
  914. const u8 pbf_cos_offset = 0;
  915. const u8 pbf_pri_offset = 0;
  916. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  917. pbf_pri_offset, 3);
  918. }
  919. /******************************************************************************
  920. * Description:
  921. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  922. * according to sp_pri_to_cos.(which COS has higher priority)
  923. *
  924. ******************************************************************************/
  925. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  926. u8 *sp_pri_to_cos)
  927. {
  928. struct bnx2x *bp = params->bp;
  929. u8 i = 0;
  930. const u8 port = params->port;
  931. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  932. u64 pri_cli_nig = 0x210;
  933. u32 pri_cli_pbf = 0x0;
  934. u8 pri_set = 0;
  935. u8 pri_bitmask = 0;
  936. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  937. DCBX_E3B0_MAX_NUM_COS_PORT0;
  938. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  939. /* Set all the strict priority first */
  940. for (i = 0; i < max_num_of_cos; i++) {
  941. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  942. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  943. DP(NETIF_MSG_LINK,
  944. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  945. "invalid cos entry\n");
  946. return -EINVAL;
  947. }
  948. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  949. sp_pri_to_cos[i], pri_set);
  950. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  951. sp_pri_to_cos[i], pri_set);
  952. pri_bitmask = 1 << sp_pri_to_cos[i];
  953. /* COS is used remove it from bitmap.*/
  954. if (!(pri_bitmask & cos_bit_to_set)) {
  955. DP(NETIF_MSG_LINK,
  956. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  957. "invalid There can't be two COS's with"
  958. " the same strict pri\n");
  959. return -EINVAL;
  960. }
  961. cos_bit_to_set &= ~pri_bitmask;
  962. pri_set++;
  963. }
  964. }
  965. /* Set all the Non strict priority i= COS*/
  966. for (i = 0; i < max_num_of_cos; i++) {
  967. pri_bitmask = 1 << i;
  968. /* Check if COS was already used for SP */
  969. if (pri_bitmask & cos_bit_to_set) {
  970. /* COS wasn't used for SP */
  971. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  972. i, pri_set);
  973. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  974. i, pri_set);
  975. /* COS is used remove it from bitmap.*/
  976. cos_bit_to_set &= ~pri_bitmask;
  977. pri_set++;
  978. }
  979. }
  980. if (pri_set != max_num_of_cos) {
  981. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  982. "entries were set\n");
  983. return -EINVAL;
  984. }
  985. if (port) {
  986. /* Only 6 usable clients*/
  987. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  988. (u32)pri_cli_nig);
  989. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  990. } else {
  991. /* Only 9 usable clients*/
  992. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  993. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  994. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  995. pri_cli_nig_lsb);
  996. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  997. pri_cli_nig_msb);
  998. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  999. }
  1000. return 0;
  1001. }
  1002. /******************************************************************************
  1003. * Description:
  1004. * Configure the COS to ETS according to BW and SP settings.
  1005. ******************************************************************************/
  1006. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1007. const struct link_vars *vars,
  1008. struct bnx2x_ets_params *ets_params)
  1009. {
  1010. struct bnx2x *bp = params->bp;
  1011. int bnx2x_status = 0;
  1012. const u8 port = params->port;
  1013. u16 total_bw = 0;
  1014. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1015. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1016. u8 cos_bw_bitmap = 0;
  1017. u8 cos_sp_bitmap = 0;
  1018. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1019. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1020. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1021. u8 cos_entry = 0;
  1022. if (!CHIP_IS_E3B0(bp)) {
  1023. DP(NETIF_MSG_LINK,
  1024. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1025. return -EINVAL;
  1026. }
  1027. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1028. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1029. "isn't supported\n");
  1030. return -EINVAL;
  1031. }
  1032. /* Prepare sp strict priority parameters*/
  1033. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1034. /* Prepare BW parameters*/
  1035. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1036. &total_bw);
  1037. if (bnx2x_status) {
  1038. DP(NETIF_MSG_LINK,
  1039. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1040. return -EINVAL;
  1041. }
  1042. /* Upper bound is set according to current link speed (min_w_val
  1043. * should be the same for upper bound and COS credit val).
  1044. */
  1045. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1046. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1047. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1048. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1049. cos_bw_bitmap |= (1 << cos_entry);
  1050. /* The function also sets the BW in HW(not the mappin
  1051. * yet)
  1052. */
  1053. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1054. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1055. total_bw,
  1056. ets_params->cos[cos_entry].params.bw_params.bw,
  1057. port);
  1058. } else if (bnx2x_cos_state_strict ==
  1059. ets_params->cos[cos_entry].state){
  1060. cos_sp_bitmap |= (1 << cos_entry);
  1061. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1062. params,
  1063. sp_pri_to_cos,
  1064. ets_params->cos[cos_entry].params.sp_params.pri,
  1065. cos_entry);
  1066. } else {
  1067. DP(NETIF_MSG_LINK,
  1068. "bnx2x_ets_e3b0_config cos state not valid\n");
  1069. return -EINVAL;
  1070. }
  1071. if (bnx2x_status) {
  1072. DP(NETIF_MSG_LINK,
  1073. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1074. return bnx2x_status;
  1075. }
  1076. }
  1077. /* Set SP register (which COS has higher priority) */
  1078. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1079. sp_pri_to_cos);
  1080. if (bnx2x_status) {
  1081. DP(NETIF_MSG_LINK,
  1082. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1083. return bnx2x_status;
  1084. }
  1085. /* Set client mapping of BW and strict */
  1086. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1087. cos_sp_bitmap,
  1088. cos_bw_bitmap);
  1089. if (bnx2x_status) {
  1090. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1091. return bnx2x_status;
  1092. }
  1093. return 0;
  1094. }
  1095. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1096. {
  1097. /* ETS disabled configuration */
  1098. struct bnx2x *bp = params->bp;
  1099. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1100. /* Defines which entries (clients) are subjected to WFQ arbitration
  1101. * COS0 0x8
  1102. * COS1 0x10
  1103. */
  1104. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1105. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1106. * client numbers (WEIGHT_0 does not actually have to represent
  1107. * client 0)
  1108. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1109. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1110. */
  1111. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1112. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1113. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1114. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1115. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1116. /* ETS mode enabled*/
  1117. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1118. /* Defines the number of consecutive slots for the strict priority */
  1119. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1120. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1121. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1122. * entry, 4 - COS1 entry.
  1123. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1124. * bit4 bit3 bit2 bit1 bit0
  1125. * MCP and debug are strict
  1126. */
  1127. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1128. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1129. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1130. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1131. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1132. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1133. }
  1134. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1135. const u32 cos1_bw)
  1136. {
  1137. /* ETS disabled configuration*/
  1138. struct bnx2x *bp = params->bp;
  1139. const u32 total_bw = cos0_bw + cos1_bw;
  1140. u32 cos0_credit_weight = 0;
  1141. u32 cos1_credit_weight = 0;
  1142. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1143. if ((!total_bw) ||
  1144. (!cos0_bw) ||
  1145. (!cos1_bw)) {
  1146. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1147. return;
  1148. }
  1149. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1150. total_bw;
  1151. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1152. total_bw;
  1153. bnx2x_ets_bw_limit_common(params);
  1154. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1155. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1156. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1157. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1158. }
  1159. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1160. {
  1161. /* ETS disabled configuration*/
  1162. struct bnx2x *bp = params->bp;
  1163. u32 val = 0;
  1164. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1165. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1166. * as strict. Bits 0,1,2 - debug and management entries,
  1167. * 3 - COS0 entry, 4 - COS1 entry.
  1168. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1169. * bit4 bit3 bit2 bit1 bit0
  1170. * MCP and debug are strict
  1171. */
  1172. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1173. /* For strict priority entries defines the number of consecutive slots
  1174. * for the highest priority.
  1175. */
  1176. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1177. /* ETS mode disable */
  1178. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1179. /* Defines the number of consecutive slots for the strict priority */
  1180. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1181. /* Defines the number of consecutive slots for the strict priority */
  1182. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1183. /* Mapping between entry priority to client number (0,1,2 -debug and
  1184. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1185. * 3bits client num.
  1186. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1187. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1188. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1189. */
  1190. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1191. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1192. return 0;
  1193. }
  1194. /******************************************************************/
  1195. /* PFC section */
  1196. /******************************************************************/
  1197. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1198. struct link_vars *vars,
  1199. u8 is_lb)
  1200. {
  1201. struct bnx2x *bp = params->bp;
  1202. u32 xmac_base;
  1203. u32 pause_val, pfc0_val, pfc1_val;
  1204. /* XMAC base adrr */
  1205. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1206. /* Initialize pause and pfc registers */
  1207. pause_val = 0x18000;
  1208. pfc0_val = 0xFFFF8000;
  1209. pfc1_val = 0x2;
  1210. /* No PFC support */
  1211. if (!(params->feature_config_flags &
  1212. FEATURE_CONFIG_PFC_ENABLED)) {
  1213. /* RX flow control - Process pause frame in receive direction
  1214. */
  1215. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1216. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1217. /* TX flow control - Send pause packet when buffer is full */
  1218. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1219. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1220. } else {/* PFC support */
  1221. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1222. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1223. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1224. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1225. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1226. /* Write pause and PFC registers */
  1227. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1228. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1229. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1230. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1231. }
  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. /* Set MAC address for source TX Pause/PFC frames */
  1237. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1238. ((params->mac_addr[2] << 24) |
  1239. (params->mac_addr[3] << 16) |
  1240. (params->mac_addr[4] << 8) |
  1241. (params->mac_addr[5])));
  1242. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1243. ((params->mac_addr[0] << 8) |
  1244. (params->mac_addr[1])));
  1245. udelay(30);
  1246. }
  1247. /******************************************************************/
  1248. /* MAC/PBF section */
  1249. /******************************************************************/
  1250. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1251. u32 emac_base)
  1252. {
  1253. u32 new_mode, cur_mode;
  1254. u32 clc_cnt;
  1255. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1256. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1257. */
  1258. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1259. if (USES_WARPCORE(bp))
  1260. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1261. else
  1262. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1263. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1264. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1265. return;
  1266. new_mode = cur_mode &
  1267. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1268. new_mode |= clc_cnt;
  1269. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1270. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1271. cur_mode, new_mode);
  1272. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1273. udelay(40);
  1274. }
  1275. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1276. struct link_params *params)
  1277. {
  1278. u8 phy_index;
  1279. /* Set mdio clock per phy */
  1280. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1281. phy_index++)
  1282. bnx2x_set_mdio_clk(bp, params->chip_id,
  1283. params->phy[phy_index].mdio_ctrl);
  1284. }
  1285. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1286. {
  1287. u32 port4mode_ovwr_val;
  1288. /* Check 4-port override enabled */
  1289. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1290. if (port4mode_ovwr_val & (1<<0)) {
  1291. /* Return 4-port mode override value */
  1292. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1293. }
  1294. /* Return 4-port mode from input pin */
  1295. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1296. }
  1297. static void bnx2x_emac_init(struct link_params *params,
  1298. struct link_vars *vars)
  1299. {
  1300. /* reset and unreset the emac core */
  1301. struct bnx2x *bp = params->bp;
  1302. u8 port = params->port;
  1303. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1304. u32 val;
  1305. u16 timeout;
  1306. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1307. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1308. udelay(5);
  1309. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1310. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1311. /* init emac - use read-modify-write */
  1312. /* self clear reset */
  1313. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1314. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1315. timeout = 200;
  1316. do {
  1317. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1318. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1319. if (!timeout) {
  1320. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1321. return;
  1322. }
  1323. timeout--;
  1324. } while (val & EMAC_MODE_RESET);
  1325. bnx2x_set_mdio_emac_per_phy(bp, params);
  1326. /* Set mac address */
  1327. val = ((params->mac_addr[0] << 8) |
  1328. params->mac_addr[1]);
  1329. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1330. val = ((params->mac_addr[2] << 24) |
  1331. (params->mac_addr[3] << 16) |
  1332. (params->mac_addr[4] << 8) |
  1333. params->mac_addr[5]);
  1334. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1335. }
  1336. static void bnx2x_set_xumac_nig(struct link_params *params,
  1337. u16 tx_pause_en,
  1338. u8 enable)
  1339. {
  1340. struct bnx2x *bp = params->bp;
  1341. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1342. enable);
  1343. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1344. enable);
  1345. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1346. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1347. }
  1348. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1349. {
  1350. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1351. u32 val;
  1352. struct bnx2x *bp = params->bp;
  1353. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1354. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1355. return;
  1356. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1357. if (en)
  1358. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1359. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1360. else
  1361. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1362. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1363. /* Disable RX and TX */
  1364. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1365. }
  1366. static void bnx2x_umac_enable(struct link_params *params,
  1367. struct link_vars *vars, u8 lb)
  1368. {
  1369. u32 val;
  1370. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1371. struct bnx2x *bp = params->bp;
  1372. /* Reset UMAC */
  1373. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1374. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1375. usleep_range(1000, 2000);
  1376. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1377. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1378. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1379. /* This register opens the gate for the UMAC despite its name */
  1380. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1381. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1382. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1383. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1384. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1385. switch (vars->line_speed) {
  1386. case SPEED_10:
  1387. val |= (0<<2);
  1388. break;
  1389. case SPEED_100:
  1390. val |= (1<<2);
  1391. break;
  1392. case SPEED_1000:
  1393. val |= (2<<2);
  1394. break;
  1395. case SPEED_2500:
  1396. val |= (3<<2);
  1397. break;
  1398. default:
  1399. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1400. vars->line_speed);
  1401. break;
  1402. }
  1403. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1404. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1405. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1406. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1407. if (vars->duplex == DUPLEX_HALF)
  1408. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1409. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1410. udelay(50);
  1411. /* Configure UMAC for EEE */
  1412. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1413. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1414. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1415. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1416. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1417. } else {
  1418. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1419. }
  1420. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1421. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1422. ((params->mac_addr[2] << 24) |
  1423. (params->mac_addr[3] << 16) |
  1424. (params->mac_addr[4] << 8) |
  1425. (params->mac_addr[5])));
  1426. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1427. ((params->mac_addr[0] << 8) |
  1428. (params->mac_addr[1])));
  1429. /* Enable RX and TX */
  1430. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1431. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1432. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1433. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1434. udelay(50);
  1435. /* Remove SW Reset */
  1436. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1437. /* Check loopback mode */
  1438. if (lb)
  1439. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1440. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1441. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1442. * length used by the MAC receive logic to check frames.
  1443. */
  1444. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1445. bnx2x_set_xumac_nig(params,
  1446. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1447. vars->mac_type = MAC_TYPE_UMAC;
  1448. }
  1449. /* Define the XMAC mode */
  1450. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1451. {
  1452. struct bnx2x *bp = params->bp;
  1453. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1454. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1455. * already out of reset, it means the mode has already been set,
  1456. * and it must not* reset the XMAC again, since it controls both
  1457. * ports of the path
  1458. */
  1459. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1460. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1461. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1462. is_port4mode &&
  1463. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1464. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1465. DP(NETIF_MSG_LINK,
  1466. "XMAC already out of reset in 4-port mode\n");
  1467. return;
  1468. }
  1469. /* Hard reset */
  1470. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1471. MISC_REGISTERS_RESET_REG_2_XMAC);
  1472. usleep_range(1000, 2000);
  1473. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1474. MISC_REGISTERS_RESET_REG_2_XMAC);
  1475. if (is_port4mode) {
  1476. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1477. /* Set the number of ports on the system side to up to 2 */
  1478. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1479. /* Set the number of ports on the Warp Core to 10G */
  1480. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1481. } else {
  1482. /* Set the number of ports on the system side to 1 */
  1483. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1484. if (max_speed == SPEED_10000) {
  1485. DP(NETIF_MSG_LINK,
  1486. "Init XMAC to 10G x 1 port per path\n");
  1487. /* Set the number of ports on the Warp Core to 10G */
  1488. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1489. } else {
  1490. DP(NETIF_MSG_LINK,
  1491. "Init XMAC to 20G x 2 ports per path\n");
  1492. /* Set the number of ports on the Warp Core to 20G */
  1493. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1494. }
  1495. }
  1496. /* Soft reset */
  1497. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1498. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1499. usleep_range(1000, 2000);
  1500. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1501. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1502. }
  1503. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1504. {
  1505. u8 port = params->port;
  1506. struct bnx2x *bp = params->bp;
  1507. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1508. u32 val;
  1509. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1510. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1511. /* Send an indication to change the state in the NIG back to XON
  1512. * Clearing this bit enables the next set of this bit to get
  1513. * rising edge
  1514. */
  1515. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1516. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1517. (pfc_ctrl & ~(1<<1)));
  1518. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1519. (pfc_ctrl | (1<<1)));
  1520. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1521. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1522. if (en)
  1523. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1524. else
  1525. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1526. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1527. }
  1528. }
  1529. static int bnx2x_xmac_enable(struct link_params *params,
  1530. struct link_vars *vars, u8 lb)
  1531. {
  1532. u32 val, xmac_base;
  1533. struct bnx2x *bp = params->bp;
  1534. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1535. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1536. bnx2x_xmac_init(params, vars->line_speed);
  1537. /* This register determines on which events the MAC will assert
  1538. * error on the i/f to the NIG along w/ EOP.
  1539. */
  1540. /* This register tells the NIG whether to send traffic to UMAC
  1541. * or XMAC
  1542. */
  1543. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1544. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1545. * detection.
  1546. */
  1547. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1548. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1549. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1550. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1551. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1552. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1553. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1554. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1555. }
  1556. /* Set Max packet size */
  1557. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1558. /* CRC append for Tx packets */
  1559. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1560. /* update PFC */
  1561. bnx2x_update_pfc_xmac(params, vars, 0);
  1562. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1563. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1564. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1565. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1566. } else {
  1567. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1568. }
  1569. /* Enable TX and RX */
  1570. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1571. /* Set MAC in XLGMII mode for dual-mode */
  1572. if ((vars->line_speed == SPEED_20000) &&
  1573. (params->phy[INT_PHY].supported &
  1574. SUPPORTED_20000baseKR2_Full))
  1575. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1576. /* Check loopback mode */
  1577. if (lb)
  1578. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1579. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1580. bnx2x_set_xumac_nig(params,
  1581. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1582. vars->mac_type = MAC_TYPE_XMAC;
  1583. return 0;
  1584. }
  1585. static int bnx2x_emac_enable(struct link_params *params,
  1586. struct link_vars *vars, u8 lb)
  1587. {
  1588. struct bnx2x *bp = params->bp;
  1589. u8 port = params->port;
  1590. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1591. u32 val;
  1592. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1593. /* Disable BMAC */
  1594. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1595. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1596. /* enable emac and not bmac */
  1597. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1598. /* ASIC */
  1599. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1600. u32 ser_lane = ((params->lane_config &
  1601. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1602. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1603. DP(NETIF_MSG_LINK, "XGXS\n");
  1604. /* select the master lanes (out of 0-3) */
  1605. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1606. /* select XGXS */
  1607. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1608. } else { /* SerDes */
  1609. DP(NETIF_MSG_LINK, "SerDes\n");
  1610. /* select SerDes */
  1611. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1612. }
  1613. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1614. EMAC_RX_MODE_RESET);
  1615. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1616. EMAC_TX_MODE_RESET);
  1617. /* pause enable/disable */
  1618. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1619. EMAC_RX_MODE_FLOW_EN);
  1620. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1621. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1622. EMAC_TX_MODE_FLOW_EN));
  1623. if (!(params->feature_config_flags &
  1624. FEATURE_CONFIG_PFC_ENABLED)) {
  1625. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1626. bnx2x_bits_en(bp, emac_base +
  1627. EMAC_REG_EMAC_RX_MODE,
  1628. EMAC_RX_MODE_FLOW_EN);
  1629. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1630. bnx2x_bits_en(bp, emac_base +
  1631. EMAC_REG_EMAC_TX_MODE,
  1632. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1633. EMAC_TX_MODE_FLOW_EN));
  1634. } else
  1635. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1636. EMAC_TX_MODE_FLOW_EN);
  1637. /* KEEP_VLAN_TAG, promiscuous */
  1638. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1639. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1640. /* Setting this bit causes MAC control frames (except for pause
  1641. * frames) to be passed on for processing. This setting has no
  1642. * affect on the operation of the pause frames. This bit effects
  1643. * all packets regardless of RX Parser packet sorting logic.
  1644. * Turn the PFC off to make sure we are in Xon state before
  1645. * enabling it.
  1646. */
  1647. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1648. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1649. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1650. /* Enable PFC again */
  1651. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1652. EMAC_REG_RX_PFC_MODE_RX_EN |
  1653. EMAC_REG_RX_PFC_MODE_TX_EN |
  1654. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1655. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1656. ((0x0101 <<
  1657. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1658. (0x00ff <<
  1659. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1660. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1661. }
  1662. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1663. /* Set Loopback */
  1664. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1665. if (lb)
  1666. val |= 0x810;
  1667. else
  1668. val &= ~0x810;
  1669. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1670. /* Enable emac */
  1671. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1672. /* Enable emac for jumbo packets */
  1673. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1674. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1675. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1676. /* Strip CRC */
  1677. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1678. /* Disable the NIG in/out to the bmac */
  1679. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1680. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1681. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1682. /* Enable the NIG in/out to the emac */
  1683. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1684. val = 0;
  1685. if ((params->feature_config_flags &
  1686. FEATURE_CONFIG_PFC_ENABLED) ||
  1687. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1688. val = 1;
  1689. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1690. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1691. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1692. vars->mac_type = MAC_TYPE_EMAC;
  1693. return 0;
  1694. }
  1695. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1696. struct link_vars *vars)
  1697. {
  1698. u32 wb_data[2];
  1699. struct bnx2x *bp = params->bp;
  1700. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1701. NIG_REG_INGRESS_BMAC0_MEM;
  1702. u32 val = 0x14;
  1703. if ((!(params->feature_config_flags &
  1704. FEATURE_CONFIG_PFC_ENABLED)) &&
  1705. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1706. /* Enable BigMAC to react on received Pause packets */
  1707. val |= (1<<5);
  1708. wb_data[0] = val;
  1709. wb_data[1] = 0;
  1710. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1711. /* TX control */
  1712. val = 0xc0;
  1713. if (!(params->feature_config_flags &
  1714. FEATURE_CONFIG_PFC_ENABLED) &&
  1715. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1716. val |= 0x800000;
  1717. wb_data[0] = val;
  1718. wb_data[1] = 0;
  1719. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1720. }
  1721. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1722. struct link_vars *vars,
  1723. u8 is_lb)
  1724. {
  1725. /* Set rx control: Strip CRC and enable BigMAC to relay
  1726. * control packets to the system as well
  1727. */
  1728. u32 wb_data[2];
  1729. struct bnx2x *bp = params->bp;
  1730. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1731. NIG_REG_INGRESS_BMAC0_MEM;
  1732. u32 val = 0x14;
  1733. if ((!(params->feature_config_flags &
  1734. FEATURE_CONFIG_PFC_ENABLED)) &&
  1735. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1736. /* Enable BigMAC to react on received Pause packets */
  1737. val |= (1<<5);
  1738. wb_data[0] = val;
  1739. wb_data[1] = 0;
  1740. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1741. udelay(30);
  1742. /* Tx control */
  1743. val = 0xc0;
  1744. if (!(params->feature_config_flags &
  1745. FEATURE_CONFIG_PFC_ENABLED) &&
  1746. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1747. val |= 0x800000;
  1748. wb_data[0] = val;
  1749. wb_data[1] = 0;
  1750. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1751. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1752. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1753. /* Enable PFC RX & TX & STATS and set 8 COS */
  1754. wb_data[0] = 0x0;
  1755. wb_data[0] |= (1<<0); /* RX */
  1756. wb_data[0] |= (1<<1); /* TX */
  1757. wb_data[0] |= (1<<2); /* Force initial Xon */
  1758. wb_data[0] |= (1<<3); /* 8 cos */
  1759. wb_data[0] |= (1<<5); /* STATS */
  1760. wb_data[1] = 0;
  1761. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1762. wb_data, 2);
  1763. /* Clear the force Xon */
  1764. wb_data[0] &= ~(1<<2);
  1765. } else {
  1766. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1767. /* Disable PFC RX & TX & STATS and set 8 COS */
  1768. wb_data[0] = 0x8;
  1769. wb_data[1] = 0;
  1770. }
  1771. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1772. /* Set Time (based unit is 512 bit time) between automatic
  1773. * re-sending of PP packets amd enable automatic re-send of
  1774. * Per-Priroity Packet as long as pp_gen is asserted and
  1775. * pp_disable is low.
  1776. */
  1777. val = 0x8000;
  1778. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1779. val |= (1<<16); /* enable automatic re-send */
  1780. wb_data[0] = val;
  1781. wb_data[1] = 0;
  1782. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1783. wb_data, 2);
  1784. /* mac control */
  1785. val = 0x3; /* Enable RX and TX */
  1786. if (is_lb) {
  1787. val |= 0x4; /* Local loopback */
  1788. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1789. }
  1790. /* When PFC enabled, Pass pause frames towards the NIG. */
  1791. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1792. val |= ((1<<6)|(1<<5));
  1793. wb_data[0] = val;
  1794. wb_data[1] = 0;
  1795. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1796. }
  1797. /******************************************************************************
  1798. * Description:
  1799. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1800. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1801. ******************************************************************************/
  1802. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1803. u8 cos_entry,
  1804. u32 priority_mask, u8 port)
  1805. {
  1806. u32 nig_reg_rx_priority_mask_add = 0;
  1807. switch (cos_entry) {
  1808. case 0:
  1809. nig_reg_rx_priority_mask_add = (port) ?
  1810. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1811. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1812. break;
  1813. case 1:
  1814. nig_reg_rx_priority_mask_add = (port) ?
  1815. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1816. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1817. break;
  1818. case 2:
  1819. nig_reg_rx_priority_mask_add = (port) ?
  1820. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1821. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1822. break;
  1823. case 3:
  1824. if (port)
  1825. return -EINVAL;
  1826. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1827. break;
  1828. case 4:
  1829. if (port)
  1830. return -EINVAL;
  1831. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1832. break;
  1833. case 5:
  1834. if (port)
  1835. return -EINVAL;
  1836. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1837. break;
  1838. }
  1839. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1840. return 0;
  1841. }
  1842. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1843. {
  1844. struct bnx2x *bp = params->bp;
  1845. REG_WR(bp, params->shmem_base +
  1846. offsetof(struct shmem_region,
  1847. port_mb[params->port].link_status), link_status);
  1848. }
  1849. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1850. {
  1851. struct bnx2x *bp = params->bp;
  1852. if (SHMEM2_HAS(bp, link_attr_sync))
  1853. REG_WR(bp, params->shmem2_base +
  1854. offsetof(struct shmem2_region,
  1855. link_attr_sync[params->port]), link_attr);
  1856. }
  1857. static void bnx2x_update_pfc_nig(struct link_params *params,
  1858. struct link_vars *vars,
  1859. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1860. {
  1861. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1862. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1863. u32 pkt_priority_to_cos = 0;
  1864. struct bnx2x *bp = params->bp;
  1865. u8 port = params->port;
  1866. int set_pfc = params->feature_config_flags &
  1867. FEATURE_CONFIG_PFC_ENABLED;
  1868. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1869. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1870. * MAC control frames (that are not pause packets)
  1871. * will be forwarded to the XCM.
  1872. */
  1873. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1874. NIG_REG_LLH0_XCM_MASK);
  1875. /* NIG params will override non PFC params, since it's possible to
  1876. * do transition from PFC to SAFC
  1877. */
  1878. if (set_pfc) {
  1879. pause_enable = 0;
  1880. llfc_out_en = 0;
  1881. llfc_enable = 0;
  1882. if (CHIP_IS_E3(bp))
  1883. ppp_enable = 0;
  1884. else
  1885. ppp_enable = 1;
  1886. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1887. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1888. xcm_out_en = 0;
  1889. hwpfc_enable = 1;
  1890. } else {
  1891. if (nig_params) {
  1892. llfc_out_en = nig_params->llfc_out_en;
  1893. llfc_enable = nig_params->llfc_enable;
  1894. pause_enable = nig_params->pause_enable;
  1895. } else /* Default non PFC mode - PAUSE */
  1896. pause_enable = 1;
  1897. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1898. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1899. xcm_out_en = 1;
  1900. }
  1901. if (CHIP_IS_E3(bp))
  1902. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1903. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1904. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1905. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1906. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1907. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1908. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1909. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1910. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1911. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1912. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1913. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1914. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1915. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1916. /* Output enable for RX_XCM # IF */
  1917. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1918. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1919. /* HW PFC TX enable */
  1920. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1921. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1922. if (nig_params) {
  1923. u8 i = 0;
  1924. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1925. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1926. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1927. nig_params->rx_cos_priority_mask[i], port);
  1928. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1929. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1930. nig_params->llfc_high_priority_classes);
  1931. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1932. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1933. nig_params->llfc_low_priority_classes);
  1934. }
  1935. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1936. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1937. pkt_priority_to_cos);
  1938. }
  1939. int bnx2x_update_pfc(struct link_params *params,
  1940. struct link_vars *vars,
  1941. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1942. {
  1943. /* The PFC and pause are orthogonal to one another, meaning when
  1944. * PFC is enabled, the pause are disabled, and when PFC is
  1945. * disabled, pause are set according to the pause result.
  1946. */
  1947. u32 val;
  1948. struct bnx2x *bp = params->bp;
  1949. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1950. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1951. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1952. else
  1953. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1954. bnx2x_update_mng(params, vars->link_status);
  1955. /* Update NIG params */
  1956. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1957. if (!vars->link_up)
  1958. return 0;
  1959. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1960. if (CHIP_IS_E3(bp)) {
  1961. if (vars->mac_type == MAC_TYPE_XMAC)
  1962. bnx2x_update_pfc_xmac(params, vars, 0);
  1963. } else {
  1964. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1965. if ((val &
  1966. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1967. == 0) {
  1968. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1969. bnx2x_emac_enable(params, vars, 0);
  1970. return 0;
  1971. }
  1972. if (CHIP_IS_E2(bp))
  1973. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1974. else
  1975. bnx2x_update_pfc_bmac1(params, vars);
  1976. val = 0;
  1977. if ((params->feature_config_flags &
  1978. FEATURE_CONFIG_PFC_ENABLED) ||
  1979. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1980. val = 1;
  1981. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1982. }
  1983. return 0;
  1984. }
  1985. static int bnx2x_bmac1_enable(struct link_params *params,
  1986. struct link_vars *vars,
  1987. u8 is_lb)
  1988. {
  1989. struct bnx2x *bp = params->bp;
  1990. u8 port = params->port;
  1991. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1992. NIG_REG_INGRESS_BMAC0_MEM;
  1993. u32 wb_data[2];
  1994. u32 val;
  1995. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  1996. /* XGXS control */
  1997. wb_data[0] = 0x3c;
  1998. wb_data[1] = 0;
  1999. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2000. wb_data, 2);
  2001. /* TX MAC SA */
  2002. wb_data[0] = ((params->mac_addr[2] << 24) |
  2003. (params->mac_addr[3] << 16) |
  2004. (params->mac_addr[4] << 8) |
  2005. params->mac_addr[5]);
  2006. wb_data[1] = ((params->mac_addr[0] << 8) |
  2007. params->mac_addr[1]);
  2008. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2009. /* MAC control */
  2010. val = 0x3;
  2011. if (is_lb) {
  2012. val |= 0x4;
  2013. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2014. }
  2015. wb_data[0] = val;
  2016. wb_data[1] = 0;
  2017. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2018. /* Set rx mtu */
  2019. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2020. wb_data[1] = 0;
  2021. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2022. bnx2x_update_pfc_bmac1(params, vars);
  2023. /* Set tx mtu */
  2024. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2025. wb_data[1] = 0;
  2026. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2027. /* Set cnt max size */
  2028. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2029. wb_data[1] = 0;
  2030. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2031. /* Configure SAFC */
  2032. wb_data[0] = 0x1000200;
  2033. wb_data[1] = 0;
  2034. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2035. wb_data, 2);
  2036. return 0;
  2037. }
  2038. static int bnx2x_bmac2_enable(struct link_params *params,
  2039. struct link_vars *vars,
  2040. u8 is_lb)
  2041. {
  2042. struct bnx2x *bp = params->bp;
  2043. u8 port = params->port;
  2044. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2045. NIG_REG_INGRESS_BMAC0_MEM;
  2046. u32 wb_data[2];
  2047. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2048. wb_data[0] = 0;
  2049. wb_data[1] = 0;
  2050. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2051. udelay(30);
  2052. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2053. wb_data[0] = 0x3c;
  2054. wb_data[1] = 0;
  2055. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2056. wb_data, 2);
  2057. udelay(30);
  2058. /* TX MAC SA */
  2059. wb_data[0] = ((params->mac_addr[2] << 24) |
  2060. (params->mac_addr[3] << 16) |
  2061. (params->mac_addr[4] << 8) |
  2062. params->mac_addr[5]);
  2063. wb_data[1] = ((params->mac_addr[0] << 8) |
  2064. params->mac_addr[1]);
  2065. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2066. wb_data, 2);
  2067. udelay(30);
  2068. /* Configure SAFC */
  2069. wb_data[0] = 0x1000200;
  2070. wb_data[1] = 0;
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2072. wb_data, 2);
  2073. udelay(30);
  2074. /* Set RX MTU */
  2075. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2076. wb_data[1] = 0;
  2077. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2078. udelay(30);
  2079. /* Set TX MTU */
  2080. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2081. wb_data[1] = 0;
  2082. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2083. udelay(30);
  2084. /* Set cnt max size */
  2085. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2086. wb_data[1] = 0;
  2087. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2088. udelay(30);
  2089. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2090. return 0;
  2091. }
  2092. static int bnx2x_bmac_enable(struct link_params *params,
  2093. struct link_vars *vars,
  2094. u8 is_lb, u8 reset_bmac)
  2095. {
  2096. int rc = 0;
  2097. u8 port = params->port;
  2098. struct bnx2x *bp = params->bp;
  2099. u32 val;
  2100. /* Reset and unreset the BigMac */
  2101. if (reset_bmac) {
  2102. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2103. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2104. usleep_range(1000, 2000);
  2105. }
  2106. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2107. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2108. /* Enable access for bmac registers */
  2109. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2110. /* Enable BMAC according to BMAC type*/
  2111. if (CHIP_IS_E2(bp))
  2112. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2113. else
  2114. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2115. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2116. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2117. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2118. val = 0;
  2119. if ((params->feature_config_flags &
  2120. FEATURE_CONFIG_PFC_ENABLED) ||
  2121. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2122. val = 1;
  2123. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2124. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2125. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2126. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2127. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2128. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2129. vars->mac_type = MAC_TYPE_BMAC;
  2130. return rc;
  2131. }
  2132. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2133. {
  2134. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2135. NIG_REG_INGRESS_BMAC0_MEM;
  2136. u32 wb_data[2];
  2137. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2138. if (CHIP_IS_E2(bp))
  2139. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2140. else
  2141. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2142. /* Only if the bmac is out of reset */
  2143. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2144. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2145. nig_bmac_enable) {
  2146. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2147. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2148. if (en)
  2149. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2150. else
  2151. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2152. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2153. usleep_range(1000, 2000);
  2154. }
  2155. }
  2156. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2157. u32 line_speed)
  2158. {
  2159. struct bnx2x *bp = params->bp;
  2160. u8 port = params->port;
  2161. u32 init_crd, crd;
  2162. u32 count = 1000;
  2163. /* Disable port */
  2164. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2165. /* Wait for init credit */
  2166. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2167. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2168. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2169. while ((init_crd != crd) && count) {
  2170. usleep_range(5000, 10000);
  2171. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2172. count--;
  2173. }
  2174. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2175. if (init_crd != crd) {
  2176. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2177. init_crd, crd);
  2178. return -EINVAL;
  2179. }
  2180. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2181. line_speed == SPEED_10 ||
  2182. line_speed == SPEED_100 ||
  2183. line_speed == SPEED_1000 ||
  2184. line_speed == SPEED_2500) {
  2185. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2186. /* Update threshold */
  2187. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2188. /* Update init credit */
  2189. init_crd = 778; /* (800-18-4) */
  2190. } else {
  2191. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2192. ETH_OVREHEAD)/16;
  2193. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2194. /* Update threshold */
  2195. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2196. /* Update init credit */
  2197. switch (line_speed) {
  2198. case SPEED_10000:
  2199. init_crd = thresh + 553 - 22;
  2200. break;
  2201. default:
  2202. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2203. line_speed);
  2204. return -EINVAL;
  2205. }
  2206. }
  2207. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2208. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2209. line_speed, init_crd);
  2210. /* Probe the credit changes */
  2211. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2212. usleep_range(5000, 10000);
  2213. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2214. /* Enable port */
  2215. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2216. return 0;
  2217. }
  2218. /**
  2219. * bnx2x_get_emac_base - retrive emac base address
  2220. *
  2221. * @bp: driver handle
  2222. * @mdc_mdio_access: access type
  2223. * @port: port id
  2224. *
  2225. * This function selects the MDC/MDIO access (through emac0 or
  2226. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2227. * phy has a default access mode, which could also be overridden
  2228. * by nvram configuration. This parameter, whether this is the
  2229. * default phy configuration, or the nvram overrun
  2230. * configuration, is passed here as mdc_mdio_access and selects
  2231. * the emac_base for the CL45 read/writes operations
  2232. */
  2233. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2234. u32 mdc_mdio_access, u8 port)
  2235. {
  2236. u32 emac_base = 0;
  2237. switch (mdc_mdio_access) {
  2238. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2239. break;
  2240. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2241. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2242. emac_base = GRCBASE_EMAC1;
  2243. else
  2244. emac_base = GRCBASE_EMAC0;
  2245. break;
  2246. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2247. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2248. emac_base = GRCBASE_EMAC0;
  2249. else
  2250. emac_base = GRCBASE_EMAC1;
  2251. break;
  2252. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2253. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2254. break;
  2255. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2256. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2257. break;
  2258. default:
  2259. break;
  2260. }
  2261. return emac_base;
  2262. }
  2263. /******************************************************************/
  2264. /* CL22 access functions */
  2265. /******************************************************************/
  2266. static int bnx2x_cl22_write(struct bnx2x *bp,
  2267. struct bnx2x_phy *phy,
  2268. u16 reg, u16 val)
  2269. {
  2270. u32 tmp, mode;
  2271. u8 i;
  2272. int rc = 0;
  2273. /* Switch to CL22 */
  2274. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2275. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2276. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2277. /* Address */
  2278. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2279. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2280. EMAC_MDIO_COMM_START_BUSY);
  2281. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2282. for (i = 0; i < 50; i++) {
  2283. udelay(10);
  2284. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2285. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2286. udelay(5);
  2287. break;
  2288. }
  2289. }
  2290. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2291. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2292. rc = -EFAULT;
  2293. }
  2294. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2295. return rc;
  2296. }
  2297. static int bnx2x_cl22_read(struct bnx2x *bp,
  2298. struct bnx2x_phy *phy,
  2299. u16 reg, u16 *ret_val)
  2300. {
  2301. u32 val, mode;
  2302. u16 i;
  2303. int rc = 0;
  2304. /* Switch to CL22 */
  2305. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2306. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2307. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2308. /* Address */
  2309. val = ((phy->addr << 21) | (reg << 16) |
  2310. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2311. EMAC_MDIO_COMM_START_BUSY);
  2312. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2313. for (i = 0; i < 50; i++) {
  2314. udelay(10);
  2315. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2316. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2317. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2318. udelay(5);
  2319. break;
  2320. }
  2321. }
  2322. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2323. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2324. *ret_val = 0;
  2325. rc = -EFAULT;
  2326. }
  2327. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2328. return rc;
  2329. }
  2330. /******************************************************************/
  2331. /* CL45 access functions */
  2332. /******************************************************************/
  2333. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2334. u8 devad, u16 reg, u16 *ret_val)
  2335. {
  2336. u32 val;
  2337. u16 i;
  2338. int rc = 0;
  2339. u32 chip_id;
  2340. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2341. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2342. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2343. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2344. }
  2345. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2346. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2347. EMAC_MDIO_STATUS_10MB);
  2348. /* Address */
  2349. val = ((phy->addr << 21) | (devad << 16) | reg |
  2350. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2351. EMAC_MDIO_COMM_START_BUSY);
  2352. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2353. for (i = 0; i < 50; i++) {
  2354. udelay(10);
  2355. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2356. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2357. udelay(5);
  2358. break;
  2359. }
  2360. }
  2361. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2362. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2363. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2364. *ret_val = 0;
  2365. rc = -EFAULT;
  2366. } else {
  2367. /* Data */
  2368. val = ((phy->addr << 21) | (devad << 16) |
  2369. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2370. EMAC_MDIO_COMM_START_BUSY);
  2371. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2372. for (i = 0; i < 50; i++) {
  2373. udelay(10);
  2374. val = REG_RD(bp, phy->mdio_ctrl +
  2375. EMAC_REG_EMAC_MDIO_COMM);
  2376. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2377. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2378. break;
  2379. }
  2380. }
  2381. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2382. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2383. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2384. *ret_val = 0;
  2385. rc = -EFAULT;
  2386. }
  2387. }
  2388. /* Work around for E3 A0 */
  2389. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2390. phy->flags ^= FLAGS_DUMMY_READ;
  2391. if (phy->flags & FLAGS_DUMMY_READ) {
  2392. u16 temp_val;
  2393. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2394. }
  2395. }
  2396. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2397. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2398. EMAC_MDIO_STATUS_10MB);
  2399. return rc;
  2400. }
  2401. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2402. u8 devad, u16 reg, u16 val)
  2403. {
  2404. u32 tmp;
  2405. u8 i;
  2406. int rc = 0;
  2407. u32 chip_id;
  2408. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2409. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2410. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2411. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2412. }
  2413. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2414. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2415. EMAC_MDIO_STATUS_10MB);
  2416. /* Address */
  2417. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2418. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2419. EMAC_MDIO_COMM_START_BUSY);
  2420. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2421. for (i = 0; i < 50; i++) {
  2422. udelay(10);
  2423. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2424. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2425. udelay(5);
  2426. break;
  2427. }
  2428. }
  2429. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2430. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2431. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2432. rc = -EFAULT;
  2433. } else {
  2434. /* Data */
  2435. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2436. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2437. EMAC_MDIO_COMM_START_BUSY);
  2438. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2439. for (i = 0; i < 50; i++) {
  2440. udelay(10);
  2441. tmp = REG_RD(bp, phy->mdio_ctrl +
  2442. EMAC_REG_EMAC_MDIO_COMM);
  2443. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2444. udelay(5);
  2445. break;
  2446. }
  2447. }
  2448. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2449. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2450. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2451. rc = -EFAULT;
  2452. }
  2453. }
  2454. /* Work around for E3 A0 */
  2455. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2456. phy->flags ^= FLAGS_DUMMY_READ;
  2457. if (phy->flags & FLAGS_DUMMY_READ) {
  2458. u16 temp_val;
  2459. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2460. }
  2461. }
  2462. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2463. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2464. EMAC_MDIO_STATUS_10MB);
  2465. return rc;
  2466. }
  2467. /******************************************************************/
  2468. /* EEE section */
  2469. /******************************************************************/
  2470. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2471. {
  2472. struct bnx2x *bp = params->bp;
  2473. if (REG_RD(bp, params->shmem2_base) <=
  2474. offsetof(struct shmem2_region, eee_status[params->port]))
  2475. return 0;
  2476. return 1;
  2477. }
  2478. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2479. {
  2480. switch (nvram_mode) {
  2481. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2482. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2483. break;
  2484. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2485. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2486. break;
  2487. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2488. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2489. break;
  2490. default:
  2491. *idle_timer = 0;
  2492. break;
  2493. }
  2494. return 0;
  2495. }
  2496. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2497. {
  2498. switch (idle_timer) {
  2499. case EEE_MODE_NVRAM_BALANCED_TIME:
  2500. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2501. break;
  2502. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2503. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2504. break;
  2505. case EEE_MODE_NVRAM_LATENCY_TIME:
  2506. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2507. break;
  2508. default:
  2509. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2510. break;
  2511. }
  2512. return 0;
  2513. }
  2514. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2515. {
  2516. u32 eee_mode, eee_idle;
  2517. struct bnx2x *bp = params->bp;
  2518. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2519. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2520. /* time value in eee_mode --> used directly*/
  2521. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2522. } else {
  2523. /* hsi value in eee_mode --> time */
  2524. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2525. EEE_MODE_NVRAM_MASK,
  2526. &eee_idle))
  2527. return 0;
  2528. }
  2529. } else {
  2530. /* hsi values in nvram --> time*/
  2531. eee_mode = ((REG_RD(bp, params->shmem_base +
  2532. offsetof(struct shmem_region, dev_info.
  2533. port_feature_config[params->port].
  2534. eee_power_mode)) &
  2535. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2536. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2537. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2538. return 0;
  2539. }
  2540. return eee_idle;
  2541. }
  2542. static int bnx2x_eee_set_timers(struct link_params *params,
  2543. struct link_vars *vars)
  2544. {
  2545. u32 eee_idle = 0, eee_mode;
  2546. struct bnx2x *bp = params->bp;
  2547. eee_idle = bnx2x_eee_calc_timer(params);
  2548. if (eee_idle) {
  2549. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2550. eee_idle);
  2551. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2552. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2553. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2554. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2555. return -EINVAL;
  2556. }
  2557. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2558. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2559. /* eee_idle in 1u --> eee_status in 16u */
  2560. eee_idle >>= 4;
  2561. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2562. SHMEM_EEE_TIME_OUTPUT_BIT;
  2563. } else {
  2564. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2565. return -EINVAL;
  2566. vars->eee_status |= eee_mode;
  2567. }
  2568. return 0;
  2569. }
  2570. static int bnx2x_eee_initial_config(struct link_params *params,
  2571. struct link_vars *vars, u8 mode)
  2572. {
  2573. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2574. /* Propogate params' bits --> vars (for migration exposure) */
  2575. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2576. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2577. else
  2578. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2579. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2580. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2581. else
  2582. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2583. return bnx2x_eee_set_timers(params, vars);
  2584. }
  2585. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2586. struct link_params *params,
  2587. struct link_vars *vars)
  2588. {
  2589. struct bnx2x *bp = params->bp;
  2590. /* Make Certain LPI is disabled */
  2591. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2592. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2593. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2594. return 0;
  2595. }
  2596. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2597. struct link_params *params,
  2598. struct link_vars *vars, u8 modes)
  2599. {
  2600. struct bnx2x *bp = params->bp;
  2601. u16 val = 0;
  2602. /* Mask events preventing LPI generation */
  2603. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2604. if (modes & SHMEM_EEE_10G_ADV) {
  2605. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2606. val |= 0x8;
  2607. }
  2608. if (modes & SHMEM_EEE_1G_ADV) {
  2609. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2610. val |= 0x4;
  2611. }
  2612. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2613. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2614. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2615. return 0;
  2616. }
  2617. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2618. {
  2619. struct bnx2x *bp = params->bp;
  2620. if (bnx2x_eee_has_cap(params))
  2621. REG_WR(bp, params->shmem2_base +
  2622. offsetof(struct shmem2_region,
  2623. eee_status[params->port]), eee_status);
  2624. }
  2625. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2626. struct link_params *params,
  2627. struct link_vars *vars)
  2628. {
  2629. struct bnx2x *bp = params->bp;
  2630. u16 adv = 0, lp = 0;
  2631. u32 lp_adv = 0;
  2632. u8 neg = 0;
  2633. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2634. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2635. if (lp & 0x2) {
  2636. lp_adv |= SHMEM_EEE_100M_ADV;
  2637. if (adv & 0x2) {
  2638. if (vars->line_speed == SPEED_100)
  2639. neg = 1;
  2640. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2641. }
  2642. }
  2643. if (lp & 0x14) {
  2644. lp_adv |= SHMEM_EEE_1G_ADV;
  2645. if (adv & 0x14) {
  2646. if (vars->line_speed == SPEED_1000)
  2647. neg = 1;
  2648. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2649. }
  2650. }
  2651. if (lp & 0x68) {
  2652. lp_adv |= SHMEM_EEE_10G_ADV;
  2653. if (adv & 0x68) {
  2654. if (vars->line_speed == SPEED_10000)
  2655. neg = 1;
  2656. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2657. }
  2658. }
  2659. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2660. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2661. if (neg) {
  2662. DP(NETIF_MSG_LINK, "EEE is active\n");
  2663. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2664. }
  2665. }
  2666. /******************************************************************/
  2667. /* BSC access functions from E3 */
  2668. /******************************************************************/
  2669. static void bnx2x_bsc_module_sel(struct link_params *params)
  2670. {
  2671. int idx;
  2672. u32 board_cfg, sfp_ctrl;
  2673. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2674. struct bnx2x *bp = params->bp;
  2675. u8 port = params->port;
  2676. /* Read I2C output PINs */
  2677. board_cfg = REG_RD(bp, params->shmem_base +
  2678. offsetof(struct shmem_region,
  2679. dev_info.shared_hw_config.board));
  2680. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2681. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2682. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2683. /* Read I2C output value */
  2684. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2685. offsetof(struct shmem_region,
  2686. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2687. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2688. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2689. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2690. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2691. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2692. }
  2693. static int bnx2x_bsc_read(struct link_params *params,
  2694. struct bnx2x *bp,
  2695. u8 sl_devid,
  2696. u16 sl_addr,
  2697. u8 lc_addr,
  2698. u8 xfer_cnt,
  2699. u32 *data_array)
  2700. {
  2701. u32 val, i;
  2702. int rc = 0;
  2703. if (xfer_cnt > 16) {
  2704. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2705. xfer_cnt);
  2706. return -EINVAL;
  2707. }
  2708. bnx2x_bsc_module_sel(params);
  2709. xfer_cnt = 16 - lc_addr;
  2710. /* Enable the engine */
  2711. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2712. val |= MCPR_IMC_COMMAND_ENABLE;
  2713. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2714. /* Program slave device ID */
  2715. val = (sl_devid << 16) | sl_addr;
  2716. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2717. /* Start xfer with 0 byte to update the address pointer ???*/
  2718. val = (MCPR_IMC_COMMAND_ENABLE) |
  2719. (MCPR_IMC_COMMAND_WRITE_OP <<
  2720. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2721. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2722. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2723. /* Poll for completion */
  2724. i = 0;
  2725. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2726. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2727. udelay(10);
  2728. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2729. if (i++ > 1000) {
  2730. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2731. i);
  2732. rc = -EFAULT;
  2733. break;
  2734. }
  2735. }
  2736. if (rc == -EFAULT)
  2737. return rc;
  2738. /* Start xfer with read op */
  2739. val = (MCPR_IMC_COMMAND_ENABLE) |
  2740. (MCPR_IMC_COMMAND_READ_OP <<
  2741. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2742. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2743. (xfer_cnt);
  2744. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2745. /* Poll for completion */
  2746. i = 0;
  2747. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2748. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2749. udelay(10);
  2750. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2751. if (i++ > 1000) {
  2752. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2753. rc = -EFAULT;
  2754. break;
  2755. }
  2756. }
  2757. if (rc == -EFAULT)
  2758. return rc;
  2759. for (i = (lc_addr >> 2); i < 4; i++) {
  2760. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2761. #ifdef __BIG_ENDIAN
  2762. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2763. ((data_array[i] & 0x0000ff00) << 8) |
  2764. ((data_array[i] & 0x00ff0000) >> 8) |
  2765. ((data_array[i] & 0xff000000) >> 24);
  2766. #endif
  2767. }
  2768. return rc;
  2769. }
  2770. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2771. u8 devad, u16 reg, u16 or_val)
  2772. {
  2773. u16 val;
  2774. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2775. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2776. }
  2777. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2778. struct bnx2x_phy *phy,
  2779. u8 devad, u16 reg, u16 and_val)
  2780. {
  2781. u16 val;
  2782. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2783. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2784. }
  2785. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2786. u8 devad, u16 reg, u16 *ret_val)
  2787. {
  2788. u8 phy_index;
  2789. /* Probe for the phy according to the given phy_addr, and execute
  2790. * the read request on it
  2791. */
  2792. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2793. if (params->phy[phy_index].addr == phy_addr) {
  2794. return bnx2x_cl45_read(params->bp,
  2795. &params->phy[phy_index], devad,
  2796. reg, ret_val);
  2797. }
  2798. }
  2799. return -EINVAL;
  2800. }
  2801. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2802. u8 devad, u16 reg, u16 val)
  2803. {
  2804. u8 phy_index;
  2805. /* Probe for the phy according to the given phy_addr, and execute
  2806. * the write request on it
  2807. */
  2808. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2809. if (params->phy[phy_index].addr == phy_addr) {
  2810. return bnx2x_cl45_write(params->bp,
  2811. &params->phy[phy_index], devad,
  2812. reg, val);
  2813. }
  2814. }
  2815. return -EINVAL;
  2816. }
  2817. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2818. struct link_params *params)
  2819. {
  2820. u8 lane = 0;
  2821. struct bnx2x *bp = params->bp;
  2822. u32 path_swap, path_swap_ovr;
  2823. u8 path, port;
  2824. path = BP_PATH(bp);
  2825. port = params->port;
  2826. if (bnx2x_is_4_port_mode(bp)) {
  2827. u32 port_swap, port_swap_ovr;
  2828. /* Figure out path swap value */
  2829. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2830. if (path_swap_ovr & 0x1)
  2831. path_swap = (path_swap_ovr & 0x2);
  2832. else
  2833. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2834. if (path_swap)
  2835. path = path ^ 1;
  2836. /* Figure out port swap value */
  2837. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2838. if (port_swap_ovr & 0x1)
  2839. port_swap = (port_swap_ovr & 0x2);
  2840. else
  2841. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2842. if (port_swap)
  2843. port = port ^ 1;
  2844. lane = (port<<1) + path;
  2845. } else { /* Two port mode - no port swap */
  2846. /* Figure out path swap value */
  2847. path_swap_ovr =
  2848. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2849. if (path_swap_ovr & 0x1) {
  2850. path_swap = (path_swap_ovr & 0x2);
  2851. } else {
  2852. path_swap =
  2853. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2854. }
  2855. if (path_swap)
  2856. path = path ^ 1;
  2857. lane = path << 1 ;
  2858. }
  2859. return lane;
  2860. }
  2861. static void bnx2x_set_aer_mmd(struct link_params *params,
  2862. struct bnx2x_phy *phy)
  2863. {
  2864. u32 ser_lane;
  2865. u16 offset, aer_val;
  2866. struct bnx2x *bp = params->bp;
  2867. ser_lane = ((params->lane_config &
  2868. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2869. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2870. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2871. (phy->addr + ser_lane) : 0;
  2872. if (USES_WARPCORE(bp)) {
  2873. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2874. /* In Dual-lane mode, two lanes are joined together,
  2875. * so in order to configure them, the AER broadcast method is
  2876. * used here.
  2877. * 0x200 is the broadcast address for lanes 0,1
  2878. * 0x201 is the broadcast address for lanes 2,3
  2879. */
  2880. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2881. aer_val = (aer_val >> 1) | 0x200;
  2882. } else if (CHIP_IS_E2(bp))
  2883. aer_val = 0x3800 + offset - 1;
  2884. else
  2885. aer_val = 0x3800 + offset;
  2886. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2887. MDIO_AER_BLOCK_AER_REG, aer_val);
  2888. }
  2889. /******************************************************************/
  2890. /* Internal phy section */
  2891. /******************************************************************/
  2892. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2893. {
  2894. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2895. /* Set Clause 22 */
  2896. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2897. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2898. udelay(500);
  2899. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2900. udelay(500);
  2901. /* Set Clause 45 */
  2902. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2903. }
  2904. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2905. {
  2906. u32 val;
  2907. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2908. val = SERDES_RESET_BITS << (port*16);
  2909. /* Reset and unreset the SerDes/XGXS */
  2910. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2911. udelay(500);
  2912. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2913. bnx2x_set_serdes_access(bp, port);
  2914. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2915. DEFAULT_PHY_DEV_ADDR);
  2916. }
  2917. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2918. struct link_params *params,
  2919. u32 action)
  2920. {
  2921. struct bnx2x *bp = params->bp;
  2922. switch (action) {
  2923. case PHY_INIT:
  2924. /* Set correct devad */
  2925. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2926. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2927. phy->def_md_devad);
  2928. break;
  2929. }
  2930. }
  2931. static void bnx2x_xgxs_deassert(struct link_params *params)
  2932. {
  2933. struct bnx2x *bp = params->bp;
  2934. u8 port;
  2935. u32 val;
  2936. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2937. port = params->port;
  2938. val = XGXS_RESET_BITS << (port*16);
  2939. /* Reset and unreset the SerDes/XGXS */
  2940. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2941. udelay(500);
  2942. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2943. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2944. PHY_INIT);
  2945. }
  2946. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2947. struct link_params *params, u16 *ieee_fc)
  2948. {
  2949. struct bnx2x *bp = params->bp;
  2950. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2951. /* Resolve pause mode and advertisement Please refer to Table
  2952. * 28B-3 of the 802.3ab-1999 spec
  2953. */
  2954. switch (phy->req_flow_ctrl) {
  2955. case BNX2X_FLOW_CTRL_AUTO:
  2956. switch (params->req_fc_auto_adv) {
  2957. case BNX2X_FLOW_CTRL_BOTH:
  2958. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2959. break;
  2960. case BNX2X_FLOW_CTRL_RX:
  2961. case BNX2X_FLOW_CTRL_TX:
  2962. *ieee_fc |=
  2963. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2964. break;
  2965. default:
  2966. break;
  2967. }
  2968. break;
  2969. case BNX2X_FLOW_CTRL_TX:
  2970. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2971. break;
  2972. case BNX2X_FLOW_CTRL_RX:
  2973. case BNX2X_FLOW_CTRL_BOTH:
  2974. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2975. break;
  2976. case BNX2X_FLOW_CTRL_NONE:
  2977. default:
  2978. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2979. break;
  2980. }
  2981. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2982. }
  2983. static void set_phy_vars(struct link_params *params,
  2984. struct link_vars *vars)
  2985. {
  2986. struct bnx2x *bp = params->bp;
  2987. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2988. u8 phy_config_swapped = params->multi_phy_config &
  2989. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2990. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2991. phy_index++) {
  2992. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2993. actual_phy_idx = phy_index;
  2994. if (phy_config_swapped) {
  2995. if (phy_index == EXT_PHY1)
  2996. actual_phy_idx = EXT_PHY2;
  2997. else if (phy_index == EXT_PHY2)
  2998. actual_phy_idx = EXT_PHY1;
  2999. }
  3000. params->phy[actual_phy_idx].req_flow_ctrl =
  3001. params->req_flow_ctrl[link_cfg_idx];
  3002. params->phy[actual_phy_idx].req_line_speed =
  3003. params->req_line_speed[link_cfg_idx];
  3004. params->phy[actual_phy_idx].speed_cap_mask =
  3005. params->speed_cap_mask[link_cfg_idx];
  3006. params->phy[actual_phy_idx].req_duplex =
  3007. params->req_duplex[link_cfg_idx];
  3008. if (params->req_line_speed[link_cfg_idx] ==
  3009. SPEED_AUTO_NEG)
  3010. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3011. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3012. " speed_cap_mask %x\n",
  3013. params->phy[actual_phy_idx].req_flow_ctrl,
  3014. params->phy[actual_phy_idx].req_line_speed,
  3015. params->phy[actual_phy_idx].speed_cap_mask);
  3016. }
  3017. }
  3018. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3019. struct bnx2x_phy *phy,
  3020. struct link_vars *vars)
  3021. {
  3022. u16 val;
  3023. struct bnx2x *bp = params->bp;
  3024. /* Read modify write pause advertizing */
  3025. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3026. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3027. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3028. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3029. if ((vars->ieee_fc &
  3030. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3031. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3032. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3033. }
  3034. if ((vars->ieee_fc &
  3035. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3037. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3038. }
  3039. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3040. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3041. }
  3042. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3043. { /* LD LP */
  3044. switch (pause_result) { /* ASYM P ASYM P */
  3045. case 0xb: /* 1 0 1 1 */
  3046. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3047. break;
  3048. case 0xe: /* 1 1 1 0 */
  3049. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3050. break;
  3051. case 0x5: /* 0 1 0 1 */
  3052. case 0x7: /* 0 1 1 1 */
  3053. case 0xd: /* 1 1 0 1 */
  3054. case 0xf: /* 1 1 1 1 */
  3055. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3056. break;
  3057. default:
  3058. break;
  3059. }
  3060. if (pause_result & (1<<0))
  3061. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3062. if (pause_result & (1<<1))
  3063. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3064. }
  3065. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3066. struct link_params *params,
  3067. struct link_vars *vars)
  3068. {
  3069. u16 ld_pause; /* local */
  3070. u16 lp_pause; /* link partner */
  3071. u16 pause_result;
  3072. struct bnx2x *bp = params->bp;
  3073. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3074. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3075. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3076. } else if (CHIP_IS_E3(bp) &&
  3077. SINGLE_MEDIA_DIRECT(params)) {
  3078. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3079. u16 gp_status, gp_mask;
  3080. bnx2x_cl45_read(bp, phy,
  3081. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3082. &gp_status);
  3083. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3084. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3085. lane;
  3086. if ((gp_status & gp_mask) == gp_mask) {
  3087. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3088. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3089. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3090. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3091. } else {
  3092. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3093. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3094. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3095. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3096. ld_pause = ((ld_pause &
  3097. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3098. << 3);
  3099. lp_pause = ((lp_pause &
  3100. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3101. << 3);
  3102. }
  3103. } else {
  3104. bnx2x_cl45_read(bp, phy,
  3105. MDIO_AN_DEVAD,
  3106. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3107. bnx2x_cl45_read(bp, phy,
  3108. MDIO_AN_DEVAD,
  3109. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3110. }
  3111. pause_result = (ld_pause &
  3112. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3113. pause_result |= (lp_pause &
  3114. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3115. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3116. bnx2x_pause_resolve(vars, pause_result);
  3117. }
  3118. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3119. struct link_params *params,
  3120. struct link_vars *vars)
  3121. {
  3122. u8 ret = 0;
  3123. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3124. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3125. /* Update the advertised flow-controled of LD/LP in AN */
  3126. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3127. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3128. /* But set the flow-control result as the requested one */
  3129. vars->flow_ctrl = phy->req_flow_ctrl;
  3130. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3131. vars->flow_ctrl = params->req_fc_auto_adv;
  3132. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3133. ret = 1;
  3134. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3135. }
  3136. return ret;
  3137. }
  3138. /******************************************************************/
  3139. /* Warpcore section */
  3140. /******************************************************************/
  3141. /* The init_internal_warpcore should mirror the xgxs,
  3142. * i.e. reset the lane (if needed), set aer for the
  3143. * init configuration, and set/clear SGMII flag. Internal
  3144. * phy init is done purely in phy_init stage.
  3145. */
  3146. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3147. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3148. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3149. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3150. #define WC_TX_FIR(post, main, pre) \
  3151. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3152. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3153. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3154. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3155. struct link_params *params,
  3156. struct link_vars *vars)
  3157. {
  3158. struct bnx2x *bp = params->bp;
  3159. u16 i;
  3160. static struct bnx2x_reg_set reg_set[] = {
  3161. /* Step 1 - Program the TX/RX alignment markers */
  3162. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3163. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3164. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3165. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3166. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3167. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3168. /* Step 2 - Configure the NP registers */
  3169. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3170. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3171. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3172. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3173. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3174. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3175. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3176. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3177. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3178. };
  3179. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3180. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3181. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3182. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3183. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3184. reg_set[i].val);
  3185. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3186. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3187. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3188. }
  3189. static void bnx2x_disable_kr2(struct link_params *params,
  3190. struct link_vars *vars,
  3191. struct bnx2x_phy *phy)
  3192. {
  3193. struct bnx2x *bp = params->bp;
  3194. int i;
  3195. static struct bnx2x_reg_set reg_set[] = {
  3196. /* Step 1 - Program the TX/RX alignment markers */
  3197. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3198. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3199. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3205. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3206. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3207. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3212. };
  3213. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3214. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3215. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3216. reg_set[i].val);
  3217. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3218. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3219. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3220. }
  3221. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3222. struct link_params *params)
  3223. {
  3224. struct bnx2x *bp = params->bp;
  3225. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3226. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3227. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3228. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3229. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3230. }
  3231. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3232. struct link_params *params)
  3233. {
  3234. /* Restart autoneg on the leading lane only */
  3235. struct bnx2x *bp = params->bp;
  3236. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3237. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3238. MDIO_AER_BLOCK_AER_REG, lane);
  3239. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3240. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3241. /* Restore AER */
  3242. bnx2x_set_aer_mmd(params, phy);
  3243. }
  3244. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3245. struct link_params *params,
  3246. struct link_vars *vars) {
  3247. u16 lane, i, cl72_ctrl, an_adv = 0, val;
  3248. u32 wc_lane_config;
  3249. struct bnx2x *bp = params->bp;
  3250. static struct bnx2x_reg_set reg_set[] = {
  3251. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3252. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3253. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3254. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3255. /* Disable Autoneg: re-enable it after adv is done. */
  3256. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3257. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3258. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3259. };
  3260. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3261. /* Set to default registers that may be overriden by 10G force */
  3262. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3263. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3264. reg_set[i].val);
  3265. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3266. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3267. cl72_ctrl &= 0x08ff;
  3268. cl72_ctrl |= 0x3800;
  3269. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3270. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3271. /* Check adding advertisement for 1G KX */
  3272. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3273. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3274. (vars->line_speed == SPEED_1000)) {
  3275. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3276. an_adv |= (1<<5);
  3277. /* Enable CL37 1G Parallel Detect */
  3278. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3279. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3280. }
  3281. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3282. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3283. (vars->line_speed == SPEED_10000)) {
  3284. /* Check adding advertisement for 10G KR */
  3285. an_adv |= (1<<7);
  3286. /* Enable 10G Parallel Detect */
  3287. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3288. MDIO_AER_BLOCK_AER_REG, 0);
  3289. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3290. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3291. bnx2x_set_aer_mmd(params, phy);
  3292. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3293. }
  3294. /* Set Transmit PMD settings */
  3295. lane = bnx2x_get_warpcore_lane(phy, params);
  3296. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3297. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3298. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3299. /* Configure the next lane if dual mode */
  3300. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3301. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3302. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3303. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3304. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3305. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3306. 0x03f0);
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3309. 0x03f0);
  3310. /* Advertised speeds */
  3311. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3312. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3313. /* Advertised and set FEC (Forward Error Correction) */
  3314. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3315. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3316. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3317. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3318. /* Enable CL37 BAM */
  3319. if (REG_RD(bp, params->shmem_base +
  3320. offsetof(struct shmem_region, dev_info.
  3321. port_hw_config[params->port].default_cfg)) &
  3322. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3323. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3324. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3325. 1);
  3326. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3327. }
  3328. /* Advertise pause */
  3329. bnx2x_ext_phy_set_pause(params, phy, vars);
  3330. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3331. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3332. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3333. /* Over 1G - AN local device user page 1 */
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3336. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3337. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3338. (phy->req_line_speed == SPEED_20000)) {
  3339. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3340. MDIO_AER_BLOCK_AER_REG, lane);
  3341. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3343. (1<<11));
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3346. bnx2x_set_aer_mmd(params, phy);
  3347. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3348. } else {
  3349. /* Enable Auto-Detect to support 1G over CL37 as well */
  3350. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
  3352. wc_lane_config = REG_RD(bp, params->shmem_base +
  3353. offsetof(struct shmem_region, dev_info.
  3354. shared_hw_config.wc_lane_config));
  3355. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
  3357. /* Force cl48 sync_status LOW to avoid getting stuck in CL73
  3358. * parallel-detect loop when CL73 and CL37 are enabled.
  3359. */
  3360. val |= 1 << 11;
  3361. /* Restore Polarity settings in case it was run over by
  3362. * previous link owner
  3363. */
  3364. if (wc_lane_config &
  3365. (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
  3366. val |= 3 << 2;
  3367. else
  3368. val &= ~(3 << 2);
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
  3371. val);
  3372. bnx2x_disable_kr2(params, vars, phy);
  3373. }
  3374. /* Enable Autoneg: only on the main lane */
  3375. bnx2x_warpcore_restart_AN_KR(phy, params);
  3376. }
  3377. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3378. struct link_params *params,
  3379. struct link_vars *vars)
  3380. {
  3381. struct bnx2x *bp = params->bp;
  3382. u16 val16, i, lane;
  3383. static struct bnx2x_reg_set reg_set[] = {
  3384. /* Disable Autoneg */
  3385. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3386. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3387. 0x3f00},
  3388. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3389. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3390. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3391. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3392. /* Leave cl72 training enable, needed for KR */
  3393. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3394. };
  3395. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3396. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3397. reg_set[i].val);
  3398. lane = bnx2x_get_warpcore_lane(phy, params);
  3399. /* Global registers */
  3400. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3401. MDIO_AER_BLOCK_AER_REG, 0);
  3402. /* Disable CL36 PCS Tx */
  3403. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3404. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3405. val16 &= ~(0x0011 << lane);
  3406. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3408. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3410. val16 |= (0x0303 << (lane << 1));
  3411. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3412. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3413. /* Restore AER */
  3414. bnx2x_set_aer_mmd(params, phy);
  3415. /* Set speed via PMA/PMD register */
  3416. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3417. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3418. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3419. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3420. /* Enable encoded forced speed */
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3423. /* Turn TX scramble payload only the 64/66 scrambler */
  3424. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3425. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3426. /* Turn RX scramble payload only the 64/66 scrambler */
  3427. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3429. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3430. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3434. }
  3435. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3436. struct link_params *params,
  3437. u8 is_xfi)
  3438. {
  3439. struct bnx2x *bp = params->bp;
  3440. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3441. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3442. /* Hold rxSeqStart */
  3443. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3445. /* Hold tx_fifo_reset */
  3446. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3448. /* Disable CL73 AN */
  3449. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3450. /* Disable 100FX Enable and Auto-Detect */
  3451. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3452. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3453. /* Disable 100FX Idle detect */
  3454. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3456. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3457. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3459. /* Turn off auto-detect & fiber mode */
  3460. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3462. 0xFFEE);
  3463. /* Set filter_force_link, disable_false_link and parallel_detect */
  3464. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3468. ((val | 0x0006) & 0xFFFE));
  3469. /* Set XFI / SFI */
  3470. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3472. misc1_val &= ~(0x1f);
  3473. if (is_xfi) {
  3474. misc1_val |= 0x5;
  3475. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3476. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3477. } else {
  3478. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3479. offsetof(struct shmem_region, dev_info.
  3480. port_hw_config[params->port].
  3481. sfi_tap_values));
  3482. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3483. tx_drv_brdct = (cfg_tap_val &
  3484. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3485. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3486. misc1_val |= 0x9;
  3487. /* TAP values are controlled by nvram, if value there isn't 0 */
  3488. if (tx_equal)
  3489. tap_val = (u16)tx_equal;
  3490. else
  3491. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3492. if (tx_drv_brdct)
  3493. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3494. 0x06);
  3495. else
  3496. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3497. }
  3498. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3500. /* Set Transmit PMD settings */
  3501. lane = bnx2x_get_warpcore_lane(phy, params);
  3502. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3503. MDIO_WC_REG_TX_FIR_TAP,
  3504. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3507. tx_driver_val);
  3508. /* Enable fiber mode, enable and invert sig_det */
  3509. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3511. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3512. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3514. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3515. /* 10G XFI Full Duplex */
  3516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3518. /* Release tx_fifo_reset */
  3519. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3521. 0xFFFE);
  3522. /* Release rxSeqStart */
  3523. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3525. }
  3526. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3527. struct link_params *params)
  3528. {
  3529. u16 val;
  3530. struct bnx2x *bp = params->bp;
  3531. /* Set global registers, so set AER lane to 0 */
  3532. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3533. MDIO_AER_BLOCK_AER_REG, 0);
  3534. /* Disable sequencer */
  3535. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3537. bnx2x_set_aer_mmd(params, phy);
  3538. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3539. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3540. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3541. MDIO_AN_REG_CTRL, 0);
  3542. /* Turn off CL73 */
  3543. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3544. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3545. val &= ~(1<<5);
  3546. val |= (1<<6);
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3549. /* Set 20G KR2 force speed */
  3550. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3552. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3554. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3556. val &= ~(3<<14);
  3557. val |= (1<<15);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3560. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3562. /* Enable sequencer (over lane 0) */
  3563. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3564. MDIO_AER_BLOCK_AER_REG, 0);
  3565. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3567. bnx2x_set_aer_mmd(params, phy);
  3568. }
  3569. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3570. struct bnx2x_phy *phy,
  3571. u16 lane)
  3572. {
  3573. /* Rx0 anaRxControl1G */
  3574. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3575. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3576. /* Rx2 anaRxControl1G */
  3577. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3578. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3579. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3583. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3584. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3585. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3589. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3591. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3595. /* Serdes Digital Misc1 */
  3596. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3598. /* Serdes Digital4 Misc3 */
  3599. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3601. /* Set Transmit PMD settings */
  3602. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_TX_FIR_TAP,
  3604. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3605. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3606. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3608. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3609. }
  3610. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3611. struct link_params *params,
  3612. u8 fiber_mode,
  3613. u8 always_autoneg)
  3614. {
  3615. struct bnx2x *bp = params->bp;
  3616. u16 val16, digctrl_kx1, digctrl_kx2;
  3617. /* Clear XFI clock comp in non-10G single lane mode. */
  3618. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3619. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3620. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3621. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3622. /* SGMII Autoneg */
  3623. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3624. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3625. 0x1000);
  3626. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3627. } else {
  3628. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3629. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3630. val16 &= 0xcebf;
  3631. switch (phy->req_line_speed) {
  3632. case SPEED_10:
  3633. break;
  3634. case SPEED_100:
  3635. val16 |= 0x2000;
  3636. break;
  3637. case SPEED_1000:
  3638. val16 |= 0x0040;
  3639. break;
  3640. default:
  3641. DP(NETIF_MSG_LINK,
  3642. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3643. return;
  3644. }
  3645. if (phy->req_duplex == DUPLEX_FULL)
  3646. val16 |= 0x0100;
  3647. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3649. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3650. phy->req_line_speed);
  3651. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3653. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3654. }
  3655. /* SGMII Slave mode and disable signal detect */
  3656. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3658. if (fiber_mode)
  3659. digctrl_kx1 = 1;
  3660. else
  3661. digctrl_kx1 &= 0xff4a;
  3662. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3663. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3664. digctrl_kx1);
  3665. /* Turn off parallel detect */
  3666. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3668. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3669. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3670. (digctrl_kx2 & ~(1<<2)));
  3671. /* Re-enable parallel detect */
  3672. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3674. (digctrl_kx2 | (1<<2)));
  3675. /* Enable autodet */
  3676. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3677. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3678. (digctrl_kx1 | 0x10));
  3679. }
  3680. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3681. struct bnx2x_phy *phy,
  3682. u8 reset)
  3683. {
  3684. u16 val;
  3685. /* Take lane out of reset after configuration is finished */
  3686. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3687. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3688. if (reset)
  3689. val |= 0xC000;
  3690. else
  3691. val &= 0x3FFF;
  3692. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3693. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3694. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3695. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3696. }
  3697. /* Clear SFI/XFI link settings registers */
  3698. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3699. struct link_params *params,
  3700. u16 lane)
  3701. {
  3702. struct bnx2x *bp = params->bp;
  3703. u16 i;
  3704. static struct bnx2x_reg_set wc_regs[] = {
  3705. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3706. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3707. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3708. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3709. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3710. 0x0195},
  3711. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3712. 0x0007},
  3713. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3714. 0x0002},
  3715. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3716. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3717. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3718. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3719. };
  3720. /* Set XFI clock comp as default. */
  3721. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3722. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3723. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3724. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3725. wc_regs[i].val);
  3726. lane = bnx2x_get_warpcore_lane(phy, params);
  3727. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3728. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3729. }
  3730. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3731. u32 chip_id,
  3732. u32 shmem_base, u8 port,
  3733. u8 *gpio_num, u8 *gpio_port)
  3734. {
  3735. u32 cfg_pin;
  3736. *gpio_num = 0;
  3737. *gpio_port = 0;
  3738. if (CHIP_IS_E3(bp)) {
  3739. cfg_pin = (REG_RD(bp, shmem_base +
  3740. offsetof(struct shmem_region,
  3741. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3742. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3743. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3744. /* Should not happen. This function called upon interrupt
  3745. * triggered by GPIO ( since EPIO can only generate interrupts
  3746. * to MCP).
  3747. * So if this function was called and none of the GPIOs was set,
  3748. * it means the shit hit the fan.
  3749. */
  3750. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3751. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3752. DP(NETIF_MSG_LINK,
  3753. "No cfg pin %x for module detect indication\n",
  3754. cfg_pin);
  3755. return -EINVAL;
  3756. }
  3757. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3758. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3759. } else {
  3760. *gpio_num = MISC_REGISTERS_GPIO_3;
  3761. *gpio_port = port;
  3762. }
  3763. return 0;
  3764. }
  3765. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3766. struct link_params *params)
  3767. {
  3768. struct bnx2x *bp = params->bp;
  3769. u8 gpio_num, gpio_port;
  3770. u32 gpio_val;
  3771. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3772. params->shmem_base, params->port,
  3773. &gpio_num, &gpio_port) != 0)
  3774. return 0;
  3775. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3776. /* Call the handling function in case module is detected */
  3777. if (gpio_val == 0)
  3778. return 1;
  3779. else
  3780. return 0;
  3781. }
  3782. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3783. struct link_params *params)
  3784. {
  3785. u16 gp2_status_reg0, lane;
  3786. struct bnx2x *bp = params->bp;
  3787. lane = bnx2x_get_warpcore_lane(phy, params);
  3788. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3789. &gp2_status_reg0);
  3790. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3791. }
  3792. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3793. struct link_params *params,
  3794. struct link_vars *vars)
  3795. {
  3796. struct bnx2x *bp = params->bp;
  3797. u32 serdes_net_if;
  3798. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3799. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3800. if (!vars->turn_to_run_wc_rt)
  3801. return;
  3802. if (vars->rx_tx_asic_rst) {
  3803. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3804. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3805. offsetof(struct shmem_region, dev_info.
  3806. port_hw_config[params->port].default_cfg)) &
  3807. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3808. switch (serdes_net_if) {
  3809. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3810. /* Do we get link yet? */
  3811. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3812. &gp_status1);
  3813. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3814. /*10G KR*/
  3815. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3816. if (lnkup_kr || lnkup) {
  3817. vars->rx_tx_asic_rst = 0;
  3818. } else {
  3819. /* Reset the lane to see if link comes up.*/
  3820. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3821. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3822. /* Restart Autoneg */
  3823. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3824. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3825. vars->rx_tx_asic_rst--;
  3826. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3827. vars->rx_tx_asic_rst);
  3828. }
  3829. break;
  3830. default:
  3831. break;
  3832. }
  3833. } /*params->rx_tx_asic_rst*/
  3834. }
  3835. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3836. struct link_params *params)
  3837. {
  3838. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3839. struct bnx2x *bp = params->bp;
  3840. bnx2x_warpcore_clear_regs(phy, params, lane);
  3841. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3842. SPEED_10000) &&
  3843. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3844. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3845. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3846. } else {
  3847. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3848. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3849. }
  3850. }
  3851. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3852. struct bnx2x_phy *phy,
  3853. u8 tx_en)
  3854. {
  3855. struct bnx2x *bp = params->bp;
  3856. u32 cfg_pin;
  3857. u8 port = params->port;
  3858. cfg_pin = REG_RD(bp, params->shmem_base +
  3859. offsetof(struct shmem_region,
  3860. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3861. PORT_HW_CFG_E3_TX_LASER_MASK;
  3862. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3863. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3864. /* For 20G, the expected pin to be used is 3 pins after the current */
  3865. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3866. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3867. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3868. }
  3869. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3870. struct link_params *params,
  3871. struct link_vars *vars)
  3872. {
  3873. struct bnx2x *bp = params->bp;
  3874. u32 serdes_net_if;
  3875. u8 fiber_mode;
  3876. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3877. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3878. offsetof(struct shmem_region, dev_info.
  3879. port_hw_config[params->port].default_cfg)) &
  3880. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3881. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3882. "serdes_net_if = 0x%x\n",
  3883. vars->line_speed, serdes_net_if);
  3884. bnx2x_set_aer_mmd(params, phy);
  3885. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3886. vars->phy_flags |= PHY_XGXS_FLAG;
  3887. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3888. (phy->req_line_speed &&
  3889. ((phy->req_line_speed == SPEED_100) ||
  3890. (phy->req_line_speed == SPEED_10)))) {
  3891. vars->phy_flags |= PHY_SGMII_FLAG;
  3892. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3893. bnx2x_warpcore_clear_regs(phy, params, lane);
  3894. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3895. } else {
  3896. switch (serdes_net_if) {
  3897. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3898. /* Enable KR Auto Neg */
  3899. if (params->loopback_mode != LOOPBACK_EXT)
  3900. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3901. else {
  3902. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3903. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3904. }
  3905. break;
  3906. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3907. bnx2x_warpcore_clear_regs(phy, params, lane);
  3908. if (vars->line_speed == SPEED_10000) {
  3909. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3910. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3911. } else {
  3912. if (SINGLE_MEDIA_DIRECT(params)) {
  3913. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3914. fiber_mode = 1;
  3915. } else {
  3916. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3917. fiber_mode = 0;
  3918. }
  3919. bnx2x_warpcore_set_sgmii_speed(phy,
  3920. params,
  3921. fiber_mode,
  3922. 0);
  3923. }
  3924. break;
  3925. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3926. /* Issue Module detection if module is plugged, or
  3927. * enabled transmitter to avoid current leakage in case
  3928. * no module is connected
  3929. */
  3930. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3931. (params->loopback_mode == LOOPBACK_EXT)) {
  3932. if (bnx2x_is_sfp_module_plugged(phy, params))
  3933. bnx2x_sfp_module_detection(phy, params);
  3934. else
  3935. bnx2x_sfp_e3_set_transmitter(params,
  3936. phy, 1);
  3937. }
  3938. bnx2x_warpcore_config_sfi(phy, params);
  3939. break;
  3940. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3941. if (vars->line_speed != SPEED_20000) {
  3942. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3943. return;
  3944. }
  3945. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3946. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3947. /* Issue Module detection */
  3948. bnx2x_sfp_module_detection(phy, params);
  3949. break;
  3950. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3951. if (!params->loopback_mode) {
  3952. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3953. } else {
  3954. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3955. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3956. }
  3957. break;
  3958. default:
  3959. DP(NETIF_MSG_LINK,
  3960. "Unsupported Serdes Net Interface 0x%x\n",
  3961. serdes_net_if);
  3962. return;
  3963. }
  3964. }
  3965. /* Take lane out of reset after configuration is finished */
  3966. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3967. DP(NETIF_MSG_LINK, "Exit config init\n");
  3968. }
  3969. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3970. struct link_params *params)
  3971. {
  3972. struct bnx2x *bp = params->bp;
  3973. u16 val16, lane;
  3974. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3975. bnx2x_set_mdio_emac_per_phy(bp, params);
  3976. bnx2x_set_aer_mmd(params, phy);
  3977. /* Global register */
  3978. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3979. /* Clear loopback settings (if any) */
  3980. /* 10G & 20G */
  3981. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3982. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3983. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3984. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3985. /* Update those 1-copy registers */
  3986. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3987. MDIO_AER_BLOCK_AER_REG, 0);
  3988. /* Enable 1G MDIO (1-copy) */
  3989. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3990. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3991. ~0x10);
  3992. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3993. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3994. lane = bnx2x_get_warpcore_lane(phy, params);
  3995. /* Disable CL36 PCS Tx */
  3996. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3997. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3998. val16 |= (0x11 << lane);
  3999. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4000. val16 |= (0x22 << lane);
  4001. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4002. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4003. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4004. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4005. val16 &= ~(0x0303 << (lane << 1));
  4006. val16 |= (0x0101 << (lane << 1));
  4007. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4008. val16 &= ~(0x0c0c << (lane << 1));
  4009. val16 |= (0x0404 << (lane << 1));
  4010. }
  4011. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4012. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4013. /* Restore AER */
  4014. bnx2x_set_aer_mmd(params, phy);
  4015. }
  4016. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4017. struct link_params *params)
  4018. {
  4019. struct bnx2x *bp = params->bp;
  4020. u16 val16;
  4021. u32 lane;
  4022. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4023. params->loopback_mode, phy->req_line_speed);
  4024. if (phy->req_line_speed < SPEED_10000 ||
  4025. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4026. /* 10/100/1000/20G-KR2 */
  4027. /* Update those 1-copy registers */
  4028. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4029. MDIO_AER_BLOCK_AER_REG, 0);
  4030. /* Enable 1G MDIO (1-copy) */
  4031. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4032. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4033. 0x10);
  4034. /* Set 1G loopback based on lane (1-copy) */
  4035. lane = bnx2x_get_warpcore_lane(phy, params);
  4036. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4037. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4038. val16 |= (1<<lane);
  4039. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4040. val16 |= (2<<lane);
  4041. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4042. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4043. val16);
  4044. /* Switch back to 4-copy registers */
  4045. bnx2x_set_aer_mmd(params, phy);
  4046. } else {
  4047. /* 10G / 20G-DXGXS */
  4048. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4049. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4050. 0x4000);
  4051. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4052. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4053. }
  4054. }
  4055. static void bnx2x_sync_link(struct link_params *params,
  4056. struct link_vars *vars)
  4057. {
  4058. struct bnx2x *bp = params->bp;
  4059. u8 link_10g_plus;
  4060. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4061. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4062. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4063. if (vars->link_up) {
  4064. DP(NETIF_MSG_LINK, "phy link up\n");
  4065. vars->phy_link_up = 1;
  4066. vars->duplex = DUPLEX_FULL;
  4067. switch (vars->link_status &
  4068. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4069. case LINK_10THD:
  4070. vars->duplex = DUPLEX_HALF;
  4071. /* Fall thru */
  4072. case LINK_10TFD:
  4073. vars->line_speed = SPEED_10;
  4074. break;
  4075. case LINK_100TXHD:
  4076. vars->duplex = DUPLEX_HALF;
  4077. /* Fall thru */
  4078. case LINK_100T4:
  4079. case LINK_100TXFD:
  4080. vars->line_speed = SPEED_100;
  4081. break;
  4082. case LINK_1000THD:
  4083. vars->duplex = DUPLEX_HALF;
  4084. /* Fall thru */
  4085. case LINK_1000TFD:
  4086. vars->line_speed = SPEED_1000;
  4087. break;
  4088. case LINK_2500THD:
  4089. vars->duplex = DUPLEX_HALF;
  4090. /* Fall thru */
  4091. case LINK_2500TFD:
  4092. vars->line_speed = SPEED_2500;
  4093. break;
  4094. case LINK_10GTFD:
  4095. vars->line_speed = SPEED_10000;
  4096. break;
  4097. case LINK_20GTFD:
  4098. vars->line_speed = SPEED_20000;
  4099. break;
  4100. default:
  4101. break;
  4102. }
  4103. vars->flow_ctrl = 0;
  4104. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4105. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4106. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4107. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4108. if (!vars->flow_ctrl)
  4109. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4110. if (vars->line_speed &&
  4111. ((vars->line_speed == SPEED_10) ||
  4112. (vars->line_speed == SPEED_100))) {
  4113. vars->phy_flags |= PHY_SGMII_FLAG;
  4114. } else {
  4115. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4116. }
  4117. if (vars->line_speed &&
  4118. USES_WARPCORE(bp) &&
  4119. (vars->line_speed == SPEED_1000))
  4120. vars->phy_flags |= PHY_SGMII_FLAG;
  4121. /* Anything 10 and over uses the bmac */
  4122. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4123. if (link_10g_plus) {
  4124. if (USES_WARPCORE(bp))
  4125. vars->mac_type = MAC_TYPE_XMAC;
  4126. else
  4127. vars->mac_type = MAC_TYPE_BMAC;
  4128. } else {
  4129. if (USES_WARPCORE(bp))
  4130. vars->mac_type = MAC_TYPE_UMAC;
  4131. else
  4132. vars->mac_type = MAC_TYPE_EMAC;
  4133. }
  4134. } else { /* Link down */
  4135. DP(NETIF_MSG_LINK, "phy link down\n");
  4136. vars->phy_link_up = 0;
  4137. vars->line_speed = 0;
  4138. vars->duplex = DUPLEX_FULL;
  4139. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4140. /* Indicate no mac active */
  4141. vars->mac_type = MAC_TYPE_NONE;
  4142. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4143. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4144. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4145. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4146. }
  4147. }
  4148. void bnx2x_link_status_update(struct link_params *params,
  4149. struct link_vars *vars)
  4150. {
  4151. struct bnx2x *bp = params->bp;
  4152. u8 port = params->port;
  4153. u32 sync_offset, media_types;
  4154. /* Update PHY configuration */
  4155. set_phy_vars(params, vars);
  4156. vars->link_status = REG_RD(bp, params->shmem_base +
  4157. offsetof(struct shmem_region,
  4158. port_mb[port].link_status));
  4159. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4160. if (params->loopback_mode != LOOPBACK_NONE &&
  4161. params->loopback_mode != LOOPBACK_EXT)
  4162. vars->link_status |= LINK_STATUS_LINK_UP;
  4163. if (bnx2x_eee_has_cap(params))
  4164. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4165. offsetof(struct shmem2_region,
  4166. eee_status[params->port]));
  4167. vars->phy_flags = PHY_XGXS_FLAG;
  4168. bnx2x_sync_link(params, vars);
  4169. /* Sync media type */
  4170. sync_offset = params->shmem_base +
  4171. offsetof(struct shmem_region,
  4172. dev_info.port_hw_config[port].media_type);
  4173. media_types = REG_RD(bp, sync_offset);
  4174. params->phy[INT_PHY].media_type =
  4175. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4176. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4177. params->phy[EXT_PHY1].media_type =
  4178. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4179. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4180. params->phy[EXT_PHY2].media_type =
  4181. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4182. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4183. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4184. /* Sync AEU offset */
  4185. sync_offset = params->shmem_base +
  4186. offsetof(struct shmem_region,
  4187. dev_info.port_hw_config[port].aeu_int_mask);
  4188. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4189. /* Sync PFC status */
  4190. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4191. params->feature_config_flags |=
  4192. FEATURE_CONFIG_PFC_ENABLED;
  4193. else
  4194. params->feature_config_flags &=
  4195. ~FEATURE_CONFIG_PFC_ENABLED;
  4196. if (SHMEM2_HAS(bp, link_attr_sync))
  4197. vars->link_attr_sync = SHMEM2_RD(bp,
  4198. link_attr_sync[params->port]);
  4199. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4200. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4201. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4202. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4203. }
  4204. static void bnx2x_set_master_ln(struct link_params *params,
  4205. struct bnx2x_phy *phy)
  4206. {
  4207. struct bnx2x *bp = params->bp;
  4208. u16 new_master_ln, ser_lane;
  4209. ser_lane = ((params->lane_config &
  4210. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4211. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4212. /* Set the master_ln for AN */
  4213. CL22_RD_OVER_CL45(bp, phy,
  4214. MDIO_REG_BANK_XGXS_BLOCK2,
  4215. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4216. &new_master_ln);
  4217. CL22_WR_OVER_CL45(bp, phy,
  4218. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4219. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4220. (new_master_ln | ser_lane));
  4221. }
  4222. static int bnx2x_reset_unicore(struct link_params *params,
  4223. struct bnx2x_phy *phy,
  4224. u8 set_serdes)
  4225. {
  4226. struct bnx2x *bp = params->bp;
  4227. u16 mii_control;
  4228. u16 i;
  4229. CL22_RD_OVER_CL45(bp, phy,
  4230. MDIO_REG_BANK_COMBO_IEEE0,
  4231. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4232. /* Reset the unicore */
  4233. CL22_WR_OVER_CL45(bp, phy,
  4234. MDIO_REG_BANK_COMBO_IEEE0,
  4235. MDIO_COMBO_IEEE0_MII_CONTROL,
  4236. (mii_control |
  4237. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4238. if (set_serdes)
  4239. bnx2x_set_serdes_access(bp, params->port);
  4240. /* Wait for the reset to self clear */
  4241. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4242. udelay(5);
  4243. /* The reset erased the previous bank value */
  4244. CL22_RD_OVER_CL45(bp, phy,
  4245. MDIO_REG_BANK_COMBO_IEEE0,
  4246. MDIO_COMBO_IEEE0_MII_CONTROL,
  4247. &mii_control);
  4248. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4249. udelay(5);
  4250. return 0;
  4251. }
  4252. }
  4253. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4254. " Port %d\n",
  4255. params->port);
  4256. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4257. return -EINVAL;
  4258. }
  4259. static void bnx2x_set_swap_lanes(struct link_params *params,
  4260. struct bnx2x_phy *phy)
  4261. {
  4262. struct bnx2x *bp = params->bp;
  4263. /* Each two bits represents a lane number:
  4264. * No swap is 0123 => 0x1b no need to enable the swap
  4265. */
  4266. u16 rx_lane_swap, tx_lane_swap;
  4267. rx_lane_swap = ((params->lane_config &
  4268. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4269. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4270. tx_lane_swap = ((params->lane_config &
  4271. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4272. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4273. if (rx_lane_swap != 0x1b) {
  4274. CL22_WR_OVER_CL45(bp, phy,
  4275. MDIO_REG_BANK_XGXS_BLOCK2,
  4276. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4277. (rx_lane_swap |
  4278. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4279. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4280. } else {
  4281. CL22_WR_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_XGXS_BLOCK2,
  4283. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4284. }
  4285. if (tx_lane_swap != 0x1b) {
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_XGXS_BLOCK2,
  4288. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4289. (tx_lane_swap |
  4290. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4291. } else {
  4292. CL22_WR_OVER_CL45(bp, phy,
  4293. MDIO_REG_BANK_XGXS_BLOCK2,
  4294. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4295. }
  4296. }
  4297. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4298. struct link_params *params)
  4299. {
  4300. struct bnx2x *bp = params->bp;
  4301. u16 control2;
  4302. CL22_RD_OVER_CL45(bp, phy,
  4303. MDIO_REG_BANK_SERDES_DIGITAL,
  4304. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4305. &control2);
  4306. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4307. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4308. else
  4309. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4310. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4311. phy->speed_cap_mask, control2);
  4312. CL22_WR_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_SERDES_DIGITAL,
  4314. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4315. control2);
  4316. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4317. (phy->speed_cap_mask &
  4318. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4319. DP(NETIF_MSG_LINK, "XGXS\n");
  4320. CL22_WR_OVER_CL45(bp, phy,
  4321. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4322. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4323. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4324. CL22_RD_OVER_CL45(bp, phy,
  4325. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4326. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4327. &control2);
  4328. control2 |=
  4329. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4330. CL22_WR_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4332. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4333. control2);
  4334. /* Disable parallel detection of HiG */
  4335. CL22_WR_OVER_CL45(bp, phy,
  4336. MDIO_REG_BANK_XGXS_BLOCK2,
  4337. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4338. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4339. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4340. }
  4341. }
  4342. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4343. struct link_params *params,
  4344. struct link_vars *vars,
  4345. u8 enable_cl73)
  4346. {
  4347. struct bnx2x *bp = params->bp;
  4348. u16 reg_val;
  4349. /* CL37 Autoneg */
  4350. CL22_RD_OVER_CL45(bp, phy,
  4351. MDIO_REG_BANK_COMBO_IEEE0,
  4352. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4353. /* CL37 Autoneg Enabled */
  4354. if (vars->line_speed == SPEED_AUTO_NEG)
  4355. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4356. else /* CL37 Autoneg Disabled */
  4357. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4358. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4359. CL22_WR_OVER_CL45(bp, phy,
  4360. MDIO_REG_BANK_COMBO_IEEE0,
  4361. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4362. /* Enable/Disable Autodetection */
  4363. CL22_RD_OVER_CL45(bp, phy,
  4364. MDIO_REG_BANK_SERDES_DIGITAL,
  4365. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4366. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4367. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4368. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4369. if (vars->line_speed == SPEED_AUTO_NEG)
  4370. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4371. else
  4372. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4373. CL22_WR_OVER_CL45(bp, phy,
  4374. MDIO_REG_BANK_SERDES_DIGITAL,
  4375. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4376. /* Enable TetonII and BAM autoneg */
  4377. CL22_RD_OVER_CL45(bp, phy,
  4378. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4379. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4380. &reg_val);
  4381. if (vars->line_speed == SPEED_AUTO_NEG) {
  4382. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4383. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4384. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4385. } else {
  4386. /* TetonII and BAM Autoneg Disabled */
  4387. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4388. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4389. }
  4390. CL22_WR_OVER_CL45(bp, phy,
  4391. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4392. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4393. reg_val);
  4394. if (enable_cl73) {
  4395. /* Enable Cl73 FSM status bits */
  4396. CL22_WR_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_CL73_USERB0,
  4398. MDIO_CL73_USERB0_CL73_UCTRL,
  4399. 0xe);
  4400. /* Enable BAM Station Manager*/
  4401. CL22_WR_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_CL73_USERB0,
  4403. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4404. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4405. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4406. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4407. /* Advertise CL73 link speeds */
  4408. CL22_RD_OVER_CL45(bp, phy,
  4409. MDIO_REG_BANK_CL73_IEEEB1,
  4410. MDIO_CL73_IEEEB1_AN_ADV2,
  4411. &reg_val);
  4412. if (phy->speed_cap_mask &
  4413. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4414. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4415. if (phy->speed_cap_mask &
  4416. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4417. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4418. CL22_WR_OVER_CL45(bp, phy,
  4419. MDIO_REG_BANK_CL73_IEEEB1,
  4420. MDIO_CL73_IEEEB1_AN_ADV2,
  4421. reg_val);
  4422. /* CL73 Autoneg Enabled */
  4423. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4424. } else /* CL73 Autoneg Disabled */
  4425. reg_val = 0;
  4426. CL22_WR_OVER_CL45(bp, phy,
  4427. MDIO_REG_BANK_CL73_IEEEB0,
  4428. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4429. }
  4430. /* Program SerDes, forced speed */
  4431. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4432. struct link_params *params,
  4433. struct link_vars *vars)
  4434. {
  4435. struct bnx2x *bp = params->bp;
  4436. u16 reg_val;
  4437. /* Program duplex, disable autoneg and sgmii*/
  4438. CL22_RD_OVER_CL45(bp, phy,
  4439. MDIO_REG_BANK_COMBO_IEEE0,
  4440. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4441. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4442. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4443. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4444. if (phy->req_duplex == DUPLEX_FULL)
  4445. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4446. CL22_WR_OVER_CL45(bp, phy,
  4447. MDIO_REG_BANK_COMBO_IEEE0,
  4448. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4449. /* Program speed
  4450. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4451. */
  4452. CL22_RD_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_SERDES_DIGITAL,
  4454. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4455. /* Clearing the speed value before setting the right speed */
  4456. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4457. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4458. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4459. if (!((vars->line_speed == SPEED_1000) ||
  4460. (vars->line_speed == SPEED_100) ||
  4461. (vars->line_speed == SPEED_10))) {
  4462. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4463. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4464. if (vars->line_speed == SPEED_10000)
  4465. reg_val |=
  4466. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4467. }
  4468. CL22_WR_OVER_CL45(bp, phy,
  4469. MDIO_REG_BANK_SERDES_DIGITAL,
  4470. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4471. }
  4472. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4473. struct link_params *params)
  4474. {
  4475. struct bnx2x *bp = params->bp;
  4476. u16 val = 0;
  4477. /* Set extended capabilities */
  4478. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4479. val |= MDIO_OVER_1G_UP1_2_5G;
  4480. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4481. val |= MDIO_OVER_1G_UP1_10G;
  4482. CL22_WR_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_OVER_1G,
  4484. MDIO_OVER_1G_UP1, val);
  4485. CL22_WR_OVER_CL45(bp, phy,
  4486. MDIO_REG_BANK_OVER_1G,
  4487. MDIO_OVER_1G_UP3, 0x400);
  4488. }
  4489. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4490. struct link_params *params,
  4491. u16 ieee_fc)
  4492. {
  4493. struct bnx2x *bp = params->bp;
  4494. u16 val;
  4495. /* For AN, we are always publishing full duplex */
  4496. CL22_WR_OVER_CL45(bp, phy,
  4497. MDIO_REG_BANK_COMBO_IEEE0,
  4498. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4499. CL22_RD_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_CL73_IEEEB1,
  4501. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4502. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4503. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4504. CL22_WR_OVER_CL45(bp, phy,
  4505. MDIO_REG_BANK_CL73_IEEEB1,
  4506. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4507. }
  4508. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4509. struct link_params *params,
  4510. u8 enable_cl73)
  4511. {
  4512. struct bnx2x *bp = params->bp;
  4513. u16 mii_control;
  4514. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4515. /* Enable and restart BAM/CL37 aneg */
  4516. if (enable_cl73) {
  4517. CL22_RD_OVER_CL45(bp, phy,
  4518. MDIO_REG_BANK_CL73_IEEEB0,
  4519. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4520. &mii_control);
  4521. CL22_WR_OVER_CL45(bp, phy,
  4522. MDIO_REG_BANK_CL73_IEEEB0,
  4523. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4524. (mii_control |
  4525. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4526. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4527. } else {
  4528. CL22_RD_OVER_CL45(bp, phy,
  4529. MDIO_REG_BANK_COMBO_IEEE0,
  4530. MDIO_COMBO_IEEE0_MII_CONTROL,
  4531. &mii_control);
  4532. DP(NETIF_MSG_LINK,
  4533. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4534. mii_control);
  4535. CL22_WR_OVER_CL45(bp, phy,
  4536. MDIO_REG_BANK_COMBO_IEEE0,
  4537. MDIO_COMBO_IEEE0_MII_CONTROL,
  4538. (mii_control |
  4539. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4540. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4541. }
  4542. }
  4543. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4544. struct link_params *params,
  4545. struct link_vars *vars)
  4546. {
  4547. struct bnx2x *bp = params->bp;
  4548. u16 control1;
  4549. /* In SGMII mode, the unicore is always slave */
  4550. CL22_RD_OVER_CL45(bp, phy,
  4551. MDIO_REG_BANK_SERDES_DIGITAL,
  4552. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4553. &control1);
  4554. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4555. /* Set sgmii mode (and not fiber) */
  4556. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4557. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4558. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4559. CL22_WR_OVER_CL45(bp, phy,
  4560. MDIO_REG_BANK_SERDES_DIGITAL,
  4561. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4562. control1);
  4563. /* If forced speed */
  4564. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4565. /* Set speed, disable autoneg */
  4566. u16 mii_control;
  4567. CL22_RD_OVER_CL45(bp, phy,
  4568. MDIO_REG_BANK_COMBO_IEEE0,
  4569. MDIO_COMBO_IEEE0_MII_CONTROL,
  4570. &mii_control);
  4571. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4572. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4573. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4574. switch (vars->line_speed) {
  4575. case SPEED_100:
  4576. mii_control |=
  4577. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4578. break;
  4579. case SPEED_1000:
  4580. mii_control |=
  4581. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4582. break;
  4583. case SPEED_10:
  4584. /* There is nothing to set for 10M */
  4585. break;
  4586. default:
  4587. /* Invalid speed for SGMII */
  4588. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4589. vars->line_speed);
  4590. break;
  4591. }
  4592. /* Setting the full duplex */
  4593. if (phy->req_duplex == DUPLEX_FULL)
  4594. mii_control |=
  4595. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4596. CL22_WR_OVER_CL45(bp, phy,
  4597. MDIO_REG_BANK_COMBO_IEEE0,
  4598. MDIO_COMBO_IEEE0_MII_CONTROL,
  4599. mii_control);
  4600. } else { /* AN mode */
  4601. /* Enable and restart AN */
  4602. bnx2x_restart_autoneg(phy, params, 0);
  4603. }
  4604. }
  4605. /* Link management
  4606. */
  4607. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4608. struct link_params *params)
  4609. {
  4610. struct bnx2x *bp = params->bp;
  4611. u16 pd_10g, status2_1000x;
  4612. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4613. return 0;
  4614. CL22_RD_OVER_CL45(bp, phy,
  4615. MDIO_REG_BANK_SERDES_DIGITAL,
  4616. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4617. &status2_1000x);
  4618. CL22_RD_OVER_CL45(bp, phy,
  4619. MDIO_REG_BANK_SERDES_DIGITAL,
  4620. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4621. &status2_1000x);
  4622. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4623. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4624. params->port);
  4625. return 1;
  4626. }
  4627. CL22_RD_OVER_CL45(bp, phy,
  4628. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4629. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4630. &pd_10g);
  4631. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4632. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4633. params->port);
  4634. return 1;
  4635. }
  4636. return 0;
  4637. }
  4638. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4639. struct link_params *params,
  4640. struct link_vars *vars,
  4641. u32 gp_status)
  4642. {
  4643. u16 ld_pause; /* local driver */
  4644. u16 lp_pause; /* link partner */
  4645. u16 pause_result;
  4646. struct bnx2x *bp = params->bp;
  4647. if ((gp_status &
  4648. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4649. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4650. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4651. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4652. CL22_RD_OVER_CL45(bp, phy,
  4653. MDIO_REG_BANK_CL73_IEEEB1,
  4654. MDIO_CL73_IEEEB1_AN_ADV1,
  4655. &ld_pause);
  4656. CL22_RD_OVER_CL45(bp, phy,
  4657. MDIO_REG_BANK_CL73_IEEEB1,
  4658. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4659. &lp_pause);
  4660. pause_result = (ld_pause &
  4661. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4662. pause_result |= (lp_pause &
  4663. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4664. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4665. } else {
  4666. CL22_RD_OVER_CL45(bp, phy,
  4667. MDIO_REG_BANK_COMBO_IEEE0,
  4668. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4669. &ld_pause);
  4670. CL22_RD_OVER_CL45(bp, phy,
  4671. MDIO_REG_BANK_COMBO_IEEE0,
  4672. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4673. &lp_pause);
  4674. pause_result = (ld_pause &
  4675. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4676. pause_result |= (lp_pause &
  4677. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4678. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4679. }
  4680. bnx2x_pause_resolve(vars, pause_result);
  4681. }
  4682. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4683. struct link_params *params,
  4684. struct link_vars *vars,
  4685. u32 gp_status)
  4686. {
  4687. struct bnx2x *bp = params->bp;
  4688. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4689. /* Resolve from gp_status in case of AN complete and not sgmii */
  4690. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4691. /* Update the advertised flow-controled of LD/LP in AN */
  4692. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4693. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4694. /* But set the flow-control result as the requested one */
  4695. vars->flow_ctrl = phy->req_flow_ctrl;
  4696. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4697. vars->flow_ctrl = params->req_fc_auto_adv;
  4698. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4699. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4700. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4701. vars->flow_ctrl = params->req_fc_auto_adv;
  4702. return;
  4703. }
  4704. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4705. }
  4706. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4707. }
  4708. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4709. struct link_params *params)
  4710. {
  4711. struct bnx2x *bp = params->bp;
  4712. u16 rx_status, ustat_val, cl37_fsm_received;
  4713. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4714. /* Step 1: Make sure signal is detected */
  4715. CL22_RD_OVER_CL45(bp, phy,
  4716. MDIO_REG_BANK_RX0,
  4717. MDIO_RX0_RX_STATUS,
  4718. &rx_status);
  4719. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4720. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4721. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4722. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4723. CL22_WR_OVER_CL45(bp, phy,
  4724. MDIO_REG_BANK_CL73_IEEEB0,
  4725. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4726. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4727. return;
  4728. }
  4729. /* Step 2: Check CL73 state machine */
  4730. CL22_RD_OVER_CL45(bp, phy,
  4731. MDIO_REG_BANK_CL73_USERB0,
  4732. MDIO_CL73_USERB0_CL73_USTAT1,
  4733. &ustat_val);
  4734. if ((ustat_val &
  4735. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4736. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4737. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4738. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4739. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4740. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4741. return;
  4742. }
  4743. /* Step 3: Check CL37 Message Pages received to indicate LP
  4744. * supports only CL37
  4745. */
  4746. CL22_RD_OVER_CL45(bp, phy,
  4747. MDIO_REG_BANK_REMOTE_PHY,
  4748. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4749. &cl37_fsm_received);
  4750. if ((cl37_fsm_received &
  4751. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4752. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4753. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4754. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4755. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4756. "misc_rx_status(0x8330) = 0x%x\n",
  4757. cl37_fsm_received);
  4758. return;
  4759. }
  4760. /* The combined cl37/cl73 fsm state information indicating that
  4761. * we are connected to a device which does not support cl73, but
  4762. * does support cl37 BAM. In this case we disable cl73 and
  4763. * restart cl37 auto-neg
  4764. */
  4765. /* Disable CL73 */
  4766. CL22_WR_OVER_CL45(bp, phy,
  4767. MDIO_REG_BANK_CL73_IEEEB0,
  4768. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4769. 0);
  4770. /* Restart CL37 autoneg */
  4771. bnx2x_restart_autoneg(phy, params, 0);
  4772. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4773. }
  4774. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4775. struct link_params *params,
  4776. struct link_vars *vars,
  4777. u32 gp_status)
  4778. {
  4779. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4780. vars->link_status |=
  4781. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4782. if (bnx2x_direct_parallel_detect_used(phy, params))
  4783. vars->link_status |=
  4784. LINK_STATUS_PARALLEL_DETECTION_USED;
  4785. }
  4786. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4787. struct link_params *params,
  4788. struct link_vars *vars,
  4789. u16 is_link_up,
  4790. u16 speed_mask,
  4791. u16 is_duplex)
  4792. {
  4793. struct bnx2x *bp = params->bp;
  4794. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4795. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4796. if (is_link_up) {
  4797. DP(NETIF_MSG_LINK, "phy link up\n");
  4798. vars->phy_link_up = 1;
  4799. vars->link_status |= LINK_STATUS_LINK_UP;
  4800. switch (speed_mask) {
  4801. case GP_STATUS_10M:
  4802. vars->line_speed = SPEED_10;
  4803. if (is_duplex == DUPLEX_FULL)
  4804. vars->link_status |= LINK_10TFD;
  4805. else
  4806. vars->link_status |= LINK_10THD;
  4807. break;
  4808. case GP_STATUS_100M:
  4809. vars->line_speed = SPEED_100;
  4810. if (is_duplex == DUPLEX_FULL)
  4811. vars->link_status |= LINK_100TXFD;
  4812. else
  4813. vars->link_status |= LINK_100TXHD;
  4814. break;
  4815. case GP_STATUS_1G:
  4816. case GP_STATUS_1G_KX:
  4817. vars->line_speed = SPEED_1000;
  4818. if (is_duplex == DUPLEX_FULL)
  4819. vars->link_status |= LINK_1000TFD;
  4820. else
  4821. vars->link_status |= LINK_1000THD;
  4822. break;
  4823. case GP_STATUS_2_5G:
  4824. vars->line_speed = SPEED_2500;
  4825. if (is_duplex == DUPLEX_FULL)
  4826. vars->link_status |= LINK_2500TFD;
  4827. else
  4828. vars->link_status |= LINK_2500THD;
  4829. break;
  4830. case GP_STATUS_5G:
  4831. case GP_STATUS_6G:
  4832. DP(NETIF_MSG_LINK,
  4833. "link speed unsupported gp_status 0x%x\n",
  4834. speed_mask);
  4835. return -EINVAL;
  4836. case GP_STATUS_10G_KX4:
  4837. case GP_STATUS_10G_HIG:
  4838. case GP_STATUS_10G_CX4:
  4839. case GP_STATUS_10G_KR:
  4840. case GP_STATUS_10G_SFI:
  4841. case GP_STATUS_10G_XFI:
  4842. vars->line_speed = SPEED_10000;
  4843. vars->link_status |= LINK_10GTFD;
  4844. break;
  4845. case GP_STATUS_20G_DXGXS:
  4846. case GP_STATUS_20G_KR2:
  4847. vars->line_speed = SPEED_20000;
  4848. vars->link_status |= LINK_20GTFD;
  4849. break;
  4850. default:
  4851. DP(NETIF_MSG_LINK,
  4852. "link speed unsupported gp_status 0x%x\n",
  4853. speed_mask);
  4854. return -EINVAL;
  4855. }
  4856. } else { /* link_down */
  4857. DP(NETIF_MSG_LINK, "phy link down\n");
  4858. vars->phy_link_up = 0;
  4859. vars->duplex = DUPLEX_FULL;
  4860. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4861. vars->mac_type = MAC_TYPE_NONE;
  4862. }
  4863. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4864. vars->phy_link_up, vars->line_speed);
  4865. return 0;
  4866. }
  4867. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4868. struct link_params *params,
  4869. struct link_vars *vars)
  4870. {
  4871. struct bnx2x *bp = params->bp;
  4872. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4873. int rc = 0;
  4874. /* Read gp_status */
  4875. CL22_RD_OVER_CL45(bp, phy,
  4876. MDIO_REG_BANK_GP_STATUS,
  4877. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4878. &gp_status);
  4879. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4880. duplex = DUPLEX_FULL;
  4881. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4882. link_up = 1;
  4883. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4884. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4885. gp_status, link_up, speed_mask);
  4886. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4887. duplex);
  4888. if (rc == -EINVAL)
  4889. return rc;
  4890. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4891. if (SINGLE_MEDIA_DIRECT(params)) {
  4892. vars->duplex = duplex;
  4893. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4894. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4895. bnx2x_xgxs_an_resolve(phy, params, vars,
  4896. gp_status);
  4897. }
  4898. } else { /* Link_down */
  4899. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4900. SINGLE_MEDIA_DIRECT(params)) {
  4901. /* Check signal is detected */
  4902. bnx2x_check_fallback_to_cl37(phy, params);
  4903. }
  4904. }
  4905. /* Read LP advertised speeds*/
  4906. if (SINGLE_MEDIA_DIRECT(params) &&
  4907. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4908. u16 val;
  4909. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4910. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4911. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4912. vars->link_status |=
  4913. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4914. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4915. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4916. vars->link_status |=
  4917. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4918. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4919. MDIO_OVER_1G_LP_UP1, &val);
  4920. if (val & MDIO_OVER_1G_UP1_2_5G)
  4921. vars->link_status |=
  4922. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4923. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4924. vars->link_status |=
  4925. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4926. }
  4927. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4928. vars->duplex, vars->flow_ctrl, vars->link_status);
  4929. return rc;
  4930. }
  4931. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4932. struct link_params *params,
  4933. struct link_vars *vars)
  4934. {
  4935. struct bnx2x *bp = params->bp;
  4936. u8 lane;
  4937. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4938. int rc = 0;
  4939. lane = bnx2x_get_warpcore_lane(phy, params);
  4940. /* Read gp_status */
  4941. if ((params->loopback_mode) &&
  4942. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4943. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4944. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4945. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4946. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4947. link_up &= 0x1;
  4948. } else if ((phy->req_line_speed > SPEED_10000) &&
  4949. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4950. u16 temp_link_up;
  4951. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4952. 1, &temp_link_up);
  4953. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4954. 1, &link_up);
  4955. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4956. temp_link_up, link_up);
  4957. link_up &= (1<<2);
  4958. if (link_up)
  4959. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4960. } else {
  4961. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4962. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4963. &gp_status1);
  4964. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4965. /* Check for either KR, 1G, or AN up. */
  4966. link_up = ((gp_status1 >> 8) |
  4967. (gp_status1 >> 12) |
  4968. (gp_status1)) &
  4969. (1 << lane);
  4970. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4971. u16 an_link;
  4972. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4973. MDIO_AN_REG_STATUS, &an_link);
  4974. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4975. MDIO_AN_REG_STATUS, &an_link);
  4976. link_up |= (an_link & (1<<2));
  4977. }
  4978. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4979. u16 pd, gp_status4;
  4980. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4981. /* Check Autoneg complete */
  4982. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4983. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4984. &gp_status4);
  4985. if (gp_status4 & ((1<<12)<<lane))
  4986. vars->link_status |=
  4987. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4988. /* Check parallel detect used */
  4989. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4990. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4991. &pd);
  4992. if (pd & (1<<15))
  4993. vars->link_status |=
  4994. LINK_STATUS_PARALLEL_DETECTION_USED;
  4995. }
  4996. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4997. vars->duplex = duplex;
  4998. }
  4999. }
  5000. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5001. SINGLE_MEDIA_DIRECT(params)) {
  5002. u16 val;
  5003. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5004. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5005. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5006. vars->link_status |=
  5007. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5008. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5009. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5010. vars->link_status |=
  5011. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5012. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5013. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5014. if (val & MDIO_OVER_1G_UP1_2_5G)
  5015. vars->link_status |=
  5016. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5017. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5018. vars->link_status |=
  5019. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5020. }
  5021. if (lane < 2) {
  5022. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5023. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5024. } else {
  5025. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5026. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5027. }
  5028. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5029. if ((lane & 1) == 0)
  5030. gp_speed <<= 8;
  5031. gp_speed &= 0x3f00;
  5032. link_up = !!link_up;
  5033. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5034. duplex);
  5035. /* In case of KR link down, start up the recovering procedure */
  5036. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5037. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5038. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5039. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5040. vars->duplex, vars->flow_ctrl, vars->link_status);
  5041. return rc;
  5042. }
  5043. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5044. {
  5045. struct bnx2x *bp = params->bp;
  5046. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5047. u16 lp_up2;
  5048. u16 tx_driver;
  5049. u16 bank;
  5050. /* Read precomp */
  5051. CL22_RD_OVER_CL45(bp, phy,
  5052. MDIO_REG_BANK_OVER_1G,
  5053. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5054. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5055. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5056. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5057. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5058. if (lp_up2 == 0)
  5059. return;
  5060. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5061. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5062. CL22_RD_OVER_CL45(bp, phy,
  5063. bank,
  5064. MDIO_TX0_TX_DRIVER, &tx_driver);
  5065. /* Replace tx_driver bits [15:12] */
  5066. if (lp_up2 !=
  5067. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5068. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5069. tx_driver |= lp_up2;
  5070. CL22_WR_OVER_CL45(bp, phy,
  5071. bank,
  5072. MDIO_TX0_TX_DRIVER, tx_driver);
  5073. }
  5074. }
  5075. }
  5076. static int bnx2x_emac_program(struct link_params *params,
  5077. struct link_vars *vars)
  5078. {
  5079. struct bnx2x *bp = params->bp;
  5080. u8 port = params->port;
  5081. u16 mode = 0;
  5082. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5083. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5084. EMAC_REG_EMAC_MODE,
  5085. (EMAC_MODE_25G_MODE |
  5086. EMAC_MODE_PORT_MII_10M |
  5087. EMAC_MODE_HALF_DUPLEX));
  5088. switch (vars->line_speed) {
  5089. case SPEED_10:
  5090. mode |= EMAC_MODE_PORT_MII_10M;
  5091. break;
  5092. case SPEED_100:
  5093. mode |= EMAC_MODE_PORT_MII;
  5094. break;
  5095. case SPEED_1000:
  5096. mode |= EMAC_MODE_PORT_GMII;
  5097. break;
  5098. case SPEED_2500:
  5099. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5100. break;
  5101. default:
  5102. /* 10G not valid for EMAC */
  5103. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5104. vars->line_speed);
  5105. return -EINVAL;
  5106. }
  5107. if (vars->duplex == DUPLEX_HALF)
  5108. mode |= EMAC_MODE_HALF_DUPLEX;
  5109. bnx2x_bits_en(bp,
  5110. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5111. mode);
  5112. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5113. return 0;
  5114. }
  5115. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5116. struct link_params *params)
  5117. {
  5118. u16 bank, i = 0;
  5119. struct bnx2x *bp = params->bp;
  5120. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5121. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5122. CL22_WR_OVER_CL45(bp, phy,
  5123. bank,
  5124. MDIO_RX0_RX_EQ_BOOST,
  5125. phy->rx_preemphasis[i]);
  5126. }
  5127. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5128. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5129. CL22_WR_OVER_CL45(bp, phy,
  5130. bank,
  5131. MDIO_TX0_TX_DRIVER,
  5132. phy->tx_preemphasis[i]);
  5133. }
  5134. }
  5135. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5136. struct link_params *params,
  5137. struct link_vars *vars)
  5138. {
  5139. struct bnx2x *bp = params->bp;
  5140. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5141. (params->loopback_mode == LOOPBACK_XGXS));
  5142. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5143. if (SINGLE_MEDIA_DIRECT(params) &&
  5144. (params->feature_config_flags &
  5145. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5146. bnx2x_set_preemphasis(phy, params);
  5147. /* Forced speed requested? */
  5148. if (vars->line_speed != SPEED_AUTO_NEG ||
  5149. (SINGLE_MEDIA_DIRECT(params) &&
  5150. params->loopback_mode == LOOPBACK_EXT)) {
  5151. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5152. /* Disable autoneg */
  5153. bnx2x_set_autoneg(phy, params, vars, 0);
  5154. /* Program speed and duplex */
  5155. bnx2x_program_serdes(phy, params, vars);
  5156. } else { /* AN_mode */
  5157. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5158. /* AN enabled */
  5159. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5160. /* Program duplex & pause advertisement (for aneg) */
  5161. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5162. vars->ieee_fc);
  5163. /* Enable autoneg */
  5164. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5165. /* Enable and restart AN */
  5166. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5167. }
  5168. } else { /* SGMII mode */
  5169. DP(NETIF_MSG_LINK, "SGMII\n");
  5170. bnx2x_initialize_sgmii_process(phy, params, vars);
  5171. }
  5172. }
  5173. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5174. struct link_params *params,
  5175. struct link_vars *vars)
  5176. {
  5177. int rc;
  5178. vars->phy_flags |= PHY_XGXS_FLAG;
  5179. if ((phy->req_line_speed &&
  5180. ((phy->req_line_speed == SPEED_100) ||
  5181. (phy->req_line_speed == SPEED_10))) ||
  5182. (!phy->req_line_speed &&
  5183. (phy->speed_cap_mask >=
  5184. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5185. (phy->speed_cap_mask <
  5186. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5187. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5188. vars->phy_flags |= PHY_SGMII_FLAG;
  5189. else
  5190. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5191. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5192. bnx2x_set_aer_mmd(params, phy);
  5193. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5194. bnx2x_set_master_ln(params, phy);
  5195. rc = bnx2x_reset_unicore(params, phy, 0);
  5196. /* Reset the SerDes and wait for reset bit return low */
  5197. if (rc)
  5198. return rc;
  5199. bnx2x_set_aer_mmd(params, phy);
  5200. /* Setting the masterLn_def again after the reset */
  5201. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5202. bnx2x_set_master_ln(params, phy);
  5203. bnx2x_set_swap_lanes(params, phy);
  5204. }
  5205. return rc;
  5206. }
  5207. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5208. struct bnx2x_phy *phy,
  5209. struct link_params *params)
  5210. {
  5211. u16 cnt, ctrl;
  5212. /* Wait for soft reset to get cleared up to 1 sec */
  5213. for (cnt = 0; cnt < 1000; cnt++) {
  5214. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5215. bnx2x_cl22_read(bp, phy,
  5216. MDIO_PMA_REG_CTRL, &ctrl);
  5217. else
  5218. bnx2x_cl45_read(bp, phy,
  5219. MDIO_PMA_DEVAD,
  5220. MDIO_PMA_REG_CTRL, &ctrl);
  5221. if (!(ctrl & (1<<15)))
  5222. break;
  5223. usleep_range(1000, 2000);
  5224. }
  5225. if (cnt == 1000)
  5226. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5227. " Port %d\n",
  5228. params->port);
  5229. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5230. return cnt;
  5231. }
  5232. static void bnx2x_link_int_enable(struct link_params *params)
  5233. {
  5234. u8 port = params->port;
  5235. u32 mask;
  5236. struct bnx2x *bp = params->bp;
  5237. /* Setting the status to report on link up for either XGXS or SerDes */
  5238. if (CHIP_IS_E3(bp)) {
  5239. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5240. if (!(SINGLE_MEDIA_DIRECT(params)))
  5241. mask |= NIG_MASK_MI_INT;
  5242. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5243. mask = (NIG_MASK_XGXS0_LINK10G |
  5244. NIG_MASK_XGXS0_LINK_STATUS);
  5245. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5246. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5247. params->phy[INT_PHY].type !=
  5248. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5249. mask |= NIG_MASK_MI_INT;
  5250. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5251. }
  5252. } else { /* SerDes */
  5253. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5254. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5255. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5256. params->phy[INT_PHY].type !=
  5257. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5258. mask |= NIG_MASK_MI_INT;
  5259. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5260. }
  5261. }
  5262. bnx2x_bits_en(bp,
  5263. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5264. mask);
  5265. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5266. (params->switch_cfg == SWITCH_CFG_10G),
  5267. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5268. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5269. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5270. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5271. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5272. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5273. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5274. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5275. }
  5276. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5277. u8 exp_mi_int)
  5278. {
  5279. u32 latch_status = 0;
  5280. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5281. * status register. Link down indication is high-active-signal,
  5282. * so in this case we need to write the status to clear the XOR
  5283. */
  5284. /* Read Latched signals */
  5285. latch_status = REG_RD(bp,
  5286. NIG_REG_LATCH_STATUS_0 + port*8);
  5287. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5288. /* Handle only those with latched-signal=up.*/
  5289. if (exp_mi_int)
  5290. bnx2x_bits_en(bp,
  5291. NIG_REG_STATUS_INTERRUPT_PORT0
  5292. + port*4,
  5293. NIG_STATUS_EMAC0_MI_INT);
  5294. else
  5295. bnx2x_bits_dis(bp,
  5296. NIG_REG_STATUS_INTERRUPT_PORT0
  5297. + port*4,
  5298. NIG_STATUS_EMAC0_MI_INT);
  5299. if (latch_status & 1) {
  5300. /* For all latched-signal=up : Re-Arm Latch signals */
  5301. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5302. (latch_status & 0xfffe) | (latch_status & 1));
  5303. }
  5304. /* For all latched-signal=up,Write original_signal to status */
  5305. }
  5306. static void bnx2x_link_int_ack(struct link_params *params,
  5307. struct link_vars *vars, u8 is_10g_plus)
  5308. {
  5309. struct bnx2x *bp = params->bp;
  5310. u8 port = params->port;
  5311. u32 mask;
  5312. /* First reset all status we assume only one line will be
  5313. * change at a time
  5314. */
  5315. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5316. (NIG_STATUS_XGXS0_LINK10G |
  5317. NIG_STATUS_XGXS0_LINK_STATUS |
  5318. NIG_STATUS_SERDES0_LINK_STATUS));
  5319. if (vars->phy_link_up) {
  5320. if (USES_WARPCORE(bp))
  5321. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5322. else {
  5323. if (is_10g_plus)
  5324. mask = NIG_STATUS_XGXS0_LINK10G;
  5325. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5326. /* Disable the link interrupt by writing 1 to
  5327. * the relevant lane in the status register
  5328. */
  5329. u32 ser_lane =
  5330. ((params->lane_config &
  5331. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5332. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5333. mask = ((1 << ser_lane) <<
  5334. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5335. } else
  5336. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5337. }
  5338. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5339. mask);
  5340. bnx2x_bits_en(bp,
  5341. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5342. mask);
  5343. }
  5344. }
  5345. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5346. {
  5347. u8 *str_ptr = str;
  5348. u32 mask = 0xf0000000;
  5349. u8 shift = 8*4;
  5350. u8 digit;
  5351. u8 remove_leading_zeros = 1;
  5352. if (*len < 10) {
  5353. /* Need more than 10chars for this format */
  5354. *str_ptr = '\0';
  5355. (*len)--;
  5356. return -EINVAL;
  5357. }
  5358. while (shift > 0) {
  5359. shift -= 4;
  5360. digit = ((num & mask) >> shift);
  5361. if (digit == 0 && remove_leading_zeros) {
  5362. mask = mask >> 4;
  5363. continue;
  5364. } else if (digit < 0xa)
  5365. *str_ptr = digit + '0';
  5366. else
  5367. *str_ptr = digit - 0xa + 'a';
  5368. remove_leading_zeros = 0;
  5369. str_ptr++;
  5370. (*len)--;
  5371. mask = mask >> 4;
  5372. if (shift == 4*4) {
  5373. *str_ptr = '.';
  5374. str_ptr++;
  5375. (*len)--;
  5376. remove_leading_zeros = 1;
  5377. }
  5378. }
  5379. return 0;
  5380. }
  5381. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5382. {
  5383. str[0] = '\0';
  5384. (*len)--;
  5385. return 0;
  5386. }
  5387. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5388. u16 len)
  5389. {
  5390. struct bnx2x *bp;
  5391. u32 spirom_ver = 0;
  5392. int status = 0;
  5393. u8 *ver_p = version;
  5394. u16 remain_len = len;
  5395. if (version == NULL || params == NULL)
  5396. return -EINVAL;
  5397. bp = params->bp;
  5398. /* Extract first external phy*/
  5399. version[0] = '\0';
  5400. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5401. if (params->phy[EXT_PHY1].format_fw_ver) {
  5402. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5403. ver_p,
  5404. &remain_len);
  5405. ver_p += (len - remain_len);
  5406. }
  5407. if ((params->num_phys == MAX_PHYS) &&
  5408. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5409. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5410. if (params->phy[EXT_PHY2].format_fw_ver) {
  5411. *ver_p = '/';
  5412. ver_p++;
  5413. remain_len--;
  5414. status |= params->phy[EXT_PHY2].format_fw_ver(
  5415. spirom_ver,
  5416. ver_p,
  5417. &remain_len);
  5418. ver_p = version + (len - remain_len);
  5419. }
  5420. }
  5421. *ver_p = '\0';
  5422. return status;
  5423. }
  5424. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5425. struct link_params *params)
  5426. {
  5427. u8 port = params->port;
  5428. struct bnx2x *bp = params->bp;
  5429. if (phy->req_line_speed != SPEED_1000) {
  5430. u32 md_devad = 0;
  5431. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5432. if (!CHIP_IS_E3(bp)) {
  5433. /* Change the uni_phy_addr in the nig */
  5434. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5435. port*0x18));
  5436. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5437. 0x5);
  5438. }
  5439. bnx2x_cl45_write(bp, phy,
  5440. 5,
  5441. (MDIO_REG_BANK_AER_BLOCK +
  5442. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5443. 0x2800);
  5444. bnx2x_cl45_write(bp, phy,
  5445. 5,
  5446. (MDIO_REG_BANK_CL73_IEEEB0 +
  5447. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5448. 0x6041);
  5449. msleep(200);
  5450. /* Set aer mmd back */
  5451. bnx2x_set_aer_mmd(params, phy);
  5452. if (!CHIP_IS_E3(bp)) {
  5453. /* And md_devad */
  5454. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5455. md_devad);
  5456. }
  5457. } else {
  5458. u16 mii_ctrl;
  5459. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5460. bnx2x_cl45_read(bp, phy, 5,
  5461. (MDIO_REG_BANK_COMBO_IEEE0 +
  5462. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5463. &mii_ctrl);
  5464. bnx2x_cl45_write(bp, phy, 5,
  5465. (MDIO_REG_BANK_COMBO_IEEE0 +
  5466. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5467. mii_ctrl |
  5468. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5469. }
  5470. }
  5471. int bnx2x_set_led(struct link_params *params,
  5472. struct link_vars *vars, u8 mode, u32 speed)
  5473. {
  5474. u8 port = params->port;
  5475. u16 hw_led_mode = params->hw_led_mode;
  5476. int rc = 0;
  5477. u8 phy_idx;
  5478. u32 tmp;
  5479. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5480. struct bnx2x *bp = params->bp;
  5481. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5482. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5483. speed, hw_led_mode);
  5484. /* In case */
  5485. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5486. if (params->phy[phy_idx].set_link_led) {
  5487. params->phy[phy_idx].set_link_led(
  5488. &params->phy[phy_idx], params, mode);
  5489. }
  5490. }
  5491. switch (mode) {
  5492. case LED_MODE_FRONT_PANEL_OFF:
  5493. case LED_MODE_OFF:
  5494. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5495. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5496. SHARED_HW_CFG_LED_MAC1);
  5497. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5498. if (params->phy[EXT_PHY1].type ==
  5499. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5500. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5501. EMAC_LED_100MB_OVERRIDE |
  5502. EMAC_LED_10MB_OVERRIDE);
  5503. else
  5504. tmp |= EMAC_LED_OVERRIDE;
  5505. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5506. break;
  5507. case LED_MODE_OPER:
  5508. /* For all other phys, OPER mode is same as ON, so in case
  5509. * link is down, do nothing
  5510. */
  5511. if (!vars->link_up)
  5512. break;
  5513. case LED_MODE_ON:
  5514. if (((params->phy[EXT_PHY1].type ==
  5515. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5516. (params->phy[EXT_PHY1].type ==
  5517. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5518. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5519. /* This is a work-around for E2+8727 Configurations */
  5520. if (mode == LED_MODE_ON ||
  5521. speed == SPEED_10000){
  5522. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5523. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5524. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5525. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5526. (tmp | EMAC_LED_OVERRIDE));
  5527. /* Return here without enabling traffic
  5528. * LED blink and setting rate in ON mode.
  5529. * In oper mode, enabling LED blink
  5530. * and setting rate is needed.
  5531. */
  5532. if (mode == LED_MODE_ON)
  5533. return rc;
  5534. }
  5535. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5536. /* This is a work-around for HW issue found when link
  5537. * is up in CL73
  5538. */
  5539. if ((!CHIP_IS_E3(bp)) ||
  5540. (CHIP_IS_E3(bp) &&
  5541. mode == LED_MODE_ON))
  5542. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5543. if (CHIP_IS_E1x(bp) ||
  5544. CHIP_IS_E2(bp) ||
  5545. (mode == LED_MODE_ON))
  5546. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5547. else
  5548. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5549. hw_led_mode);
  5550. } else if ((params->phy[EXT_PHY1].type ==
  5551. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5552. (mode == LED_MODE_ON)) {
  5553. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5554. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5555. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5556. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5557. /* Break here; otherwise, it'll disable the
  5558. * intended override.
  5559. */
  5560. break;
  5561. } else {
  5562. u32 nig_led_mode = ((params->hw_led_mode <<
  5563. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5564. SHARED_HW_CFG_LED_EXTPHY2) ?
  5565. (SHARED_HW_CFG_LED_PHY1 >>
  5566. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5567. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5568. nig_led_mode);
  5569. }
  5570. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5571. /* Set blinking rate to ~15.9Hz */
  5572. if (CHIP_IS_E3(bp))
  5573. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5574. LED_BLINK_RATE_VAL_E3);
  5575. else
  5576. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5577. LED_BLINK_RATE_VAL_E1X_E2);
  5578. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5579. port*4, 1);
  5580. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5581. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5582. (tmp & (~EMAC_LED_OVERRIDE)));
  5583. if (CHIP_IS_E1(bp) &&
  5584. ((speed == SPEED_2500) ||
  5585. (speed == SPEED_1000) ||
  5586. (speed == SPEED_100) ||
  5587. (speed == SPEED_10))) {
  5588. /* For speeds less than 10G LED scheme is different */
  5589. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5590. + port*4, 1);
  5591. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5592. port*4, 0);
  5593. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5594. port*4, 1);
  5595. }
  5596. break;
  5597. default:
  5598. rc = -EINVAL;
  5599. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5600. mode);
  5601. break;
  5602. }
  5603. return rc;
  5604. }
  5605. /* This function comes to reflect the actual link state read DIRECTLY from the
  5606. * HW
  5607. */
  5608. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5609. u8 is_serdes)
  5610. {
  5611. struct bnx2x *bp = params->bp;
  5612. u16 gp_status = 0, phy_index = 0;
  5613. u8 ext_phy_link_up = 0, serdes_phy_type;
  5614. struct link_vars temp_vars;
  5615. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5616. if (CHIP_IS_E3(bp)) {
  5617. u16 link_up;
  5618. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5619. > SPEED_10000) {
  5620. /* Check 20G link */
  5621. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5622. 1, &link_up);
  5623. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5624. 1, &link_up);
  5625. link_up &= (1<<2);
  5626. } else {
  5627. /* Check 10G link and below*/
  5628. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5629. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5630. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5631. &gp_status);
  5632. gp_status = ((gp_status >> 8) & 0xf) |
  5633. ((gp_status >> 12) & 0xf);
  5634. link_up = gp_status & (1 << lane);
  5635. }
  5636. if (!link_up)
  5637. return -ESRCH;
  5638. } else {
  5639. CL22_RD_OVER_CL45(bp, int_phy,
  5640. MDIO_REG_BANK_GP_STATUS,
  5641. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5642. &gp_status);
  5643. /* Link is up only if both local phy and external phy are up */
  5644. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5645. return -ESRCH;
  5646. }
  5647. /* In XGXS loopback mode, do not check external PHY */
  5648. if (params->loopback_mode == LOOPBACK_XGXS)
  5649. return 0;
  5650. switch (params->num_phys) {
  5651. case 1:
  5652. /* No external PHY */
  5653. return 0;
  5654. case 2:
  5655. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5656. &params->phy[EXT_PHY1],
  5657. params, &temp_vars);
  5658. break;
  5659. case 3: /* Dual Media */
  5660. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5661. phy_index++) {
  5662. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5663. ETH_PHY_SFPP_10G_FIBER) ||
  5664. (params->phy[phy_index].media_type ==
  5665. ETH_PHY_SFP_1G_FIBER) ||
  5666. (params->phy[phy_index].media_type ==
  5667. ETH_PHY_XFP_FIBER) ||
  5668. (params->phy[phy_index].media_type ==
  5669. ETH_PHY_DA_TWINAX));
  5670. if (is_serdes != serdes_phy_type)
  5671. continue;
  5672. if (params->phy[phy_index].read_status) {
  5673. ext_phy_link_up |=
  5674. params->phy[phy_index].read_status(
  5675. &params->phy[phy_index],
  5676. params, &temp_vars);
  5677. }
  5678. }
  5679. break;
  5680. }
  5681. if (ext_phy_link_up)
  5682. return 0;
  5683. return -ESRCH;
  5684. }
  5685. static int bnx2x_link_initialize(struct link_params *params,
  5686. struct link_vars *vars)
  5687. {
  5688. u8 phy_index, non_ext_phy;
  5689. struct bnx2x *bp = params->bp;
  5690. /* In case of external phy existence, the line speed would be the
  5691. * line speed linked up by the external phy. In case it is direct
  5692. * only, then the line_speed during initialization will be
  5693. * equal to the req_line_speed
  5694. */
  5695. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5696. /* Initialize the internal phy in case this is a direct board
  5697. * (no external phys), or this board has external phy which requires
  5698. * to first.
  5699. */
  5700. if (!USES_WARPCORE(bp))
  5701. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5702. /* init ext phy and enable link state int */
  5703. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5704. (params->loopback_mode == LOOPBACK_XGXS));
  5705. if (non_ext_phy ||
  5706. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5707. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5708. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5709. if (vars->line_speed == SPEED_AUTO_NEG &&
  5710. (CHIP_IS_E1x(bp) ||
  5711. CHIP_IS_E2(bp)))
  5712. bnx2x_set_parallel_detection(phy, params);
  5713. if (params->phy[INT_PHY].config_init)
  5714. params->phy[INT_PHY].config_init(phy, params, vars);
  5715. }
  5716. /* Re-read this value in case it was changed inside config_init due to
  5717. * limitations of optic module
  5718. */
  5719. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5720. /* Init external phy*/
  5721. if (non_ext_phy) {
  5722. if (params->phy[INT_PHY].supported &
  5723. SUPPORTED_FIBRE)
  5724. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5725. } else {
  5726. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5727. phy_index++) {
  5728. /* No need to initialize second phy in case of first
  5729. * phy only selection. In case of second phy, we do
  5730. * need to initialize the first phy, since they are
  5731. * connected.
  5732. */
  5733. if (params->phy[phy_index].supported &
  5734. SUPPORTED_FIBRE)
  5735. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5736. if (phy_index == EXT_PHY2 &&
  5737. (bnx2x_phy_selection(params) ==
  5738. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5739. DP(NETIF_MSG_LINK,
  5740. "Not initializing second phy\n");
  5741. continue;
  5742. }
  5743. params->phy[phy_index].config_init(
  5744. &params->phy[phy_index],
  5745. params, vars);
  5746. }
  5747. }
  5748. /* Reset the interrupt indication after phy was initialized */
  5749. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5750. params->port*4,
  5751. (NIG_STATUS_XGXS0_LINK10G |
  5752. NIG_STATUS_XGXS0_LINK_STATUS |
  5753. NIG_STATUS_SERDES0_LINK_STATUS |
  5754. NIG_MASK_MI_INT));
  5755. return 0;
  5756. }
  5757. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5758. struct link_params *params)
  5759. {
  5760. /* Reset the SerDes/XGXS */
  5761. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5762. (0x1ff << (params->port*16)));
  5763. }
  5764. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5765. struct link_params *params)
  5766. {
  5767. struct bnx2x *bp = params->bp;
  5768. u8 gpio_port;
  5769. /* HW reset */
  5770. if (CHIP_IS_E2(bp))
  5771. gpio_port = BP_PATH(bp);
  5772. else
  5773. gpio_port = params->port;
  5774. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5775. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5776. gpio_port);
  5777. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5778. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5779. gpio_port);
  5780. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5781. }
  5782. static int bnx2x_update_link_down(struct link_params *params,
  5783. struct link_vars *vars)
  5784. {
  5785. struct bnx2x *bp = params->bp;
  5786. u8 port = params->port;
  5787. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5788. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5789. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5790. /* Indicate no mac active */
  5791. vars->mac_type = MAC_TYPE_NONE;
  5792. /* Update shared memory */
  5793. vars->link_status &= ~LINK_UPDATE_MASK;
  5794. vars->line_speed = 0;
  5795. bnx2x_update_mng(params, vars->link_status);
  5796. /* Activate nig drain */
  5797. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5798. /* Disable emac */
  5799. if (!CHIP_IS_E3(bp))
  5800. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5801. usleep_range(10000, 20000);
  5802. /* Reset BigMac/Xmac */
  5803. if (CHIP_IS_E1x(bp) ||
  5804. CHIP_IS_E2(bp))
  5805. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5806. if (CHIP_IS_E3(bp)) {
  5807. /* Prevent LPI Generation by chip */
  5808. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5809. 0);
  5810. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5811. 0);
  5812. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5813. SHMEM_EEE_ACTIVE_BIT);
  5814. bnx2x_update_mng_eee(params, vars->eee_status);
  5815. bnx2x_set_xmac_rxtx(params, 0);
  5816. bnx2x_set_umac_rxtx(params, 0);
  5817. }
  5818. return 0;
  5819. }
  5820. static int bnx2x_update_link_up(struct link_params *params,
  5821. struct link_vars *vars,
  5822. u8 link_10g)
  5823. {
  5824. struct bnx2x *bp = params->bp;
  5825. u8 phy_idx, port = params->port;
  5826. int rc = 0;
  5827. vars->link_status |= (LINK_STATUS_LINK_UP |
  5828. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5829. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5830. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5831. vars->link_status |=
  5832. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5833. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5834. vars->link_status |=
  5835. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5836. if (USES_WARPCORE(bp)) {
  5837. if (link_10g) {
  5838. if (bnx2x_xmac_enable(params, vars, 0) ==
  5839. -ESRCH) {
  5840. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5841. vars->link_up = 0;
  5842. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5843. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5844. }
  5845. } else
  5846. bnx2x_umac_enable(params, vars, 0);
  5847. bnx2x_set_led(params, vars,
  5848. LED_MODE_OPER, vars->line_speed);
  5849. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5850. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5851. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5852. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5853. (params->port << 2), 1);
  5854. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5855. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5856. (params->port << 2), 0xfc20);
  5857. }
  5858. }
  5859. if ((CHIP_IS_E1x(bp) ||
  5860. CHIP_IS_E2(bp))) {
  5861. if (link_10g) {
  5862. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5863. -ESRCH) {
  5864. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5865. vars->link_up = 0;
  5866. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5867. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5868. }
  5869. bnx2x_set_led(params, vars,
  5870. LED_MODE_OPER, SPEED_10000);
  5871. } else {
  5872. rc = bnx2x_emac_program(params, vars);
  5873. bnx2x_emac_enable(params, vars, 0);
  5874. /* AN complete? */
  5875. if ((vars->link_status &
  5876. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5877. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5878. SINGLE_MEDIA_DIRECT(params))
  5879. bnx2x_set_gmii_tx_driver(params);
  5880. }
  5881. }
  5882. /* PBF - link up */
  5883. if (CHIP_IS_E1x(bp))
  5884. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5885. vars->line_speed);
  5886. /* Disable drain */
  5887. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5888. /* Update shared memory */
  5889. bnx2x_update_mng(params, vars->link_status);
  5890. bnx2x_update_mng_eee(params, vars->eee_status);
  5891. /* Check remote fault */
  5892. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5893. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5894. bnx2x_check_half_open_conn(params, vars, 0);
  5895. break;
  5896. }
  5897. }
  5898. msleep(20);
  5899. return rc;
  5900. }
  5901. /* The bnx2x_link_update function should be called upon link
  5902. * interrupt.
  5903. * Link is considered up as follows:
  5904. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5905. * to be up
  5906. * - SINGLE_MEDIA - The link between the 577xx and the external
  5907. * phy (XGXS) need to up as well as the external link of the
  5908. * phy (PHY_EXT1)
  5909. * - DUAL_MEDIA - The link between the 577xx and the first
  5910. * external phy needs to be up, and at least one of the 2
  5911. * external phy link must be up.
  5912. */
  5913. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5914. {
  5915. struct bnx2x *bp = params->bp;
  5916. struct link_vars phy_vars[MAX_PHYS];
  5917. u8 port = params->port;
  5918. u8 link_10g_plus, phy_index;
  5919. u8 ext_phy_link_up = 0, cur_link_up;
  5920. int rc = 0;
  5921. u8 is_mi_int = 0;
  5922. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5923. u8 active_external_phy = INT_PHY;
  5924. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5925. vars->link_status &= ~LINK_UPDATE_MASK;
  5926. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5927. phy_index++) {
  5928. phy_vars[phy_index].flow_ctrl = 0;
  5929. phy_vars[phy_index].link_status = 0;
  5930. phy_vars[phy_index].line_speed = 0;
  5931. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5932. phy_vars[phy_index].phy_link_up = 0;
  5933. phy_vars[phy_index].link_up = 0;
  5934. phy_vars[phy_index].fault_detected = 0;
  5935. /* different consideration, since vars holds inner state */
  5936. phy_vars[phy_index].eee_status = vars->eee_status;
  5937. }
  5938. if (USES_WARPCORE(bp))
  5939. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5940. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5941. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5942. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5943. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5944. port*0x18) > 0);
  5945. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5946. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5947. is_mi_int,
  5948. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5949. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5950. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5951. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5952. /* Disable emac */
  5953. if (!CHIP_IS_E3(bp))
  5954. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5955. /* Step 1:
  5956. * Check external link change only for external phys, and apply
  5957. * priority selection between them in case the link on both phys
  5958. * is up. Note that instead of the common vars, a temporary
  5959. * vars argument is used since each phy may have different link/
  5960. * speed/duplex result
  5961. */
  5962. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5963. phy_index++) {
  5964. struct bnx2x_phy *phy = &params->phy[phy_index];
  5965. if (!phy->read_status)
  5966. continue;
  5967. /* Read link status and params of this ext phy */
  5968. cur_link_up = phy->read_status(phy, params,
  5969. &phy_vars[phy_index]);
  5970. if (cur_link_up) {
  5971. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5972. phy_index);
  5973. } else {
  5974. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5975. phy_index);
  5976. continue;
  5977. }
  5978. if (!ext_phy_link_up) {
  5979. ext_phy_link_up = 1;
  5980. active_external_phy = phy_index;
  5981. } else {
  5982. switch (bnx2x_phy_selection(params)) {
  5983. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5984. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5985. /* In this option, the first PHY makes sure to pass the
  5986. * traffic through itself only.
  5987. * Its not clear how to reset the link on the second phy
  5988. */
  5989. active_external_phy = EXT_PHY1;
  5990. break;
  5991. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5992. /* In this option, the first PHY makes sure to pass the
  5993. * traffic through the second PHY.
  5994. */
  5995. active_external_phy = EXT_PHY2;
  5996. break;
  5997. default:
  5998. /* Link indication on both PHYs with the following cases
  5999. * is invalid:
  6000. * - FIRST_PHY means that second phy wasn't initialized,
  6001. * hence its link is expected to be down
  6002. * - SECOND_PHY means that first phy should not be able
  6003. * to link up by itself (using configuration)
  6004. * - DEFAULT should be overriden during initialiazation
  6005. */
  6006. DP(NETIF_MSG_LINK, "Invalid link indication"
  6007. "mpc=0x%x. DISABLING LINK !!!\n",
  6008. params->multi_phy_config);
  6009. ext_phy_link_up = 0;
  6010. break;
  6011. }
  6012. }
  6013. }
  6014. prev_line_speed = vars->line_speed;
  6015. /* Step 2:
  6016. * Read the status of the internal phy. In case of
  6017. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6018. * otherwise this is the link between the 577xx and the first
  6019. * external phy
  6020. */
  6021. if (params->phy[INT_PHY].read_status)
  6022. params->phy[INT_PHY].read_status(
  6023. &params->phy[INT_PHY],
  6024. params, vars);
  6025. /* The INT_PHY flow control reside in the vars. This include the
  6026. * case where the speed or flow control are not set to AUTO.
  6027. * Otherwise, the active external phy flow control result is set
  6028. * to the vars. The ext_phy_line_speed is needed to check if the
  6029. * speed is different between the internal phy and external phy.
  6030. * This case may be result of intermediate link speed change.
  6031. */
  6032. if (active_external_phy > INT_PHY) {
  6033. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6034. /* Link speed is taken from the XGXS. AN and FC result from
  6035. * the external phy.
  6036. */
  6037. vars->link_status |= phy_vars[active_external_phy].link_status;
  6038. /* if active_external_phy is first PHY and link is up - disable
  6039. * disable TX on second external PHY
  6040. */
  6041. if (active_external_phy == EXT_PHY1) {
  6042. if (params->phy[EXT_PHY2].phy_specific_func) {
  6043. DP(NETIF_MSG_LINK,
  6044. "Disabling TX on EXT_PHY2\n");
  6045. params->phy[EXT_PHY2].phy_specific_func(
  6046. &params->phy[EXT_PHY2],
  6047. params, DISABLE_TX);
  6048. }
  6049. }
  6050. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6051. vars->duplex = phy_vars[active_external_phy].duplex;
  6052. if (params->phy[active_external_phy].supported &
  6053. SUPPORTED_FIBRE)
  6054. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6055. else
  6056. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6057. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6058. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6059. active_external_phy);
  6060. }
  6061. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6062. phy_index++) {
  6063. if (params->phy[phy_index].flags &
  6064. FLAGS_REARM_LATCH_SIGNAL) {
  6065. bnx2x_rearm_latch_signal(bp, port,
  6066. phy_index ==
  6067. active_external_phy);
  6068. break;
  6069. }
  6070. }
  6071. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6072. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6073. vars->link_status, ext_phy_line_speed);
  6074. /* Upon link speed change set the NIG into drain mode. Comes to
  6075. * deals with possible FIFO glitch due to clk change when speed
  6076. * is decreased without link down indicator
  6077. */
  6078. if (vars->phy_link_up) {
  6079. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6080. (ext_phy_line_speed != vars->line_speed)) {
  6081. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6082. " different than the external"
  6083. " link speed %d\n", vars->line_speed,
  6084. ext_phy_line_speed);
  6085. vars->phy_link_up = 0;
  6086. } else if (prev_line_speed != vars->line_speed) {
  6087. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6088. 0);
  6089. usleep_range(1000, 2000);
  6090. }
  6091. }
  6092. /* Anything 10 and over uses the bmac */
  6093. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6094. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6095. /* In case external phy link is up, and internal link is down
  6096. * (not initialized yet probably after link initialization, it
  6097. * needs to be initialized.
  6098. * Note that after link down-up as result of cable plug, the xgxs
  6099. * link would probably become up again without the need
  6100. * initialize it
  6101. */
  6102. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6103. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6104. " init_preceding = %d\n", ext_phy_link_up,
  6105. vars->phy_link_up,
  6106. params->phy[EXT_PHY1].flags &
  6107. FLAGS_INIT_XGXS_FIRST);
  6108. if (!(params->phy[EXT_PHY1].flags &
  6109. FLAGS_INIT_XGXS_FIRST)
  6110. && ext_phy_link_up && !vars->phy_link_up) {
  6111. vars->line_speed = ext_phy_line_speed;
  6112. if (vars->line_speed < SPEED_1000)
  6113. vars->phy_flags |= PHY_SGMII_FLAG;
  6114. else
  6115. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6116. if (params->phy[INT_PHY].config_init)
  6117. params->phy[INT_PHY].config_init(
  6118. &params->phy[INT_PHY], params,
  6119. vars);
  6120. }
  6121. }
  6122. /* Link is up only if both local phy and external phy (in case of
  6123. * non-direct board) are up and no fault detected on active PHY.
  6124. */
  6125. vars->link_up = (vars->phy_link_up &&
  6126. (ext_phy_link_up ||
  6127. SINGLE_MEDIA_DIRECT(params)) &&
  6128. (phy_vars[active_external_phy].fault_detected == 0));
  6129. /* Update the PFC configuration in case it was changed */
  6130. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6131. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6132. else
  6133. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6134. if (vars->link_up)
  6135. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6136. else
  6137. rc = bnx2x_update_link_down(params, vars);
  6138. /* Update MCP link status was changed */
  6139. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6140. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6141. return rc;
  6142. }
  6143. /*****************************************************************************/
  6144. /* External Phy section */
  6145. /*****************************************************************************/
  6146. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6147. {
  6148. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6149. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6150. usleep_range(1000, 2000);
  6151. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6152. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6153. }
  6154. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6155. u32 spirom_ver, u32 ver_addr)
  6156. {
  6157. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6158. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6159. if (ver_addr)
  6160. REG_WR(bp, ver_addr, spirom_ver);
  6161. }
  6162. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6163. struct bnx2x_phy *phy,
  6164. u8 port)
  6165. {
  6166. u16 fw_ver1, fw_ver2;
  6167. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6168. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6169. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6170. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6171. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6172. phy->ver_addr);
  6173. }
  6174. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6175. struct bnx2x_phy *phy,
  6176. struct link_vars *vars)
  6177. {
  6178. u16 val;
  6179. bnx2x_cl45_read(bp, phy,
  6180. MDIO_AN_DEVAD,
  6181. MDIO_AN_REG_STATUS, &val);
  6182. bnx2x_cl45_read(bp, phy,
  6183. MDIO_AN_DEVAD,
  6184. MDIO_AN_REG_STATUS, &val);
  6185. if (val & (1<<5))
  6186. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6187. if ((val & (1<<0)) == 0)
  6188. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6189. }
  6190. /******************************************************************/
  6191. /* common BCM8073/BCM8727 PHY SECTION */
  6192. /******************************************************************/
  6193. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6194. struct link_params *params,
  6195. struct link_vars *vars)
  6196. {
  6197. struct bnx2x *bp = params->bp;
  6198. if (phy->req_line_speed == SPEED_10 ||
  6199. phy->req_line_speed == SPEED_100) {
  6200. vars->flow_ctrl = phy->req_flow_ctrl;
  6201. return;
  6202. }
  6203. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6204. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6205. u16 pause_result;
  6206. u16 ld_pause; /* local */
  6207. u16 lp_pause; /* link partner */
  6208. bnx2x_cl45_read(bp, phy,
  6209. MDIO_AN_DEVAD,
  6210. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6211. bnx2x_cl45_read(bp, phy,
  6212. MDIO_AN_DEVAD,
  6213. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6214. pause_result = (ld_pause &
  6215. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6216. pause_result |= (lp_pause &
  6217. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6218. bnx2x_pause_resolve(vars, pause_result);
  6219. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6220. pause_result);
  6221. }
  6222. }
  6223. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6224. struct bnx2x_phy *phy,
  6225. u8 port)
  6226. {
  6227. u32 count = 0;
  6228. u16 fw_ver1, fw_msgout;
  6229. int rc = 0;
  6230. /* Boot port from external ROM */
  6231. /* EDC grst */
  6232. bnx2x_cl45_write(bp, phy,
  6233. MDIO_PMA_DEVAD,
  6234. MDIO_PMA_REG_GEN_CTRL,
  6235. 0x0001);
  6236. /* Ucode reboot and rst */
  6237. bnx2x_cl45_write(bp, phy,
  6238. MDIO_PMA_DEVAD,
  6239. MDIO_PMA_REG_GEN_CTRL,
  6240. 0x008c);
  6241. bnx2x_cl45_write(bp, phy,
  6242. MDIO_PMA_DEVAD,
  6243. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6244. /* Reset internal microprocessor */
  6245. bnx2x_cl45_write(bp, phy,
  6246. MDIO_PMA_DEVAD,
  6247. MDIO_PMA_REG_GEN_CTRL,
  6248. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6249. /* Release srst bit */
  6250. bnx2x_cl45_write(bp, phy,
  6251. MDIO_PMA_DEVAD,
  6252. MDIO_PMA_REG_GEN_CTRL,
  6253. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6254. /* Delay 100ms per the PHY specifications */
  6255. msleep(100);
  6256. /* 8073 sometimes taking longer to download */
  6257. do {
  6258. count++;
  6259. if (count > 300) {
  6260. DP(NETIF_MSG_LINK,
  6261. "bnx2x_8073_8727_external_rom_boot port %x:"
  6262. "Download failed. fw version = 0x%x\n",
  6263. port, fw_ver1);
  6264. rc = -EINVAL;
  6265. break;
  6266. }
  6267. bnx2x_cl45_read(bp, phy,
  6268. MDIO_PMA_DEVAD,
  6269. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6270. bnx2x_cl45_read(bp, phy,
  6271. MDIO_PMA_DEVAD,
  6272. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6273. usleep_range(1000, 2000);
  6274. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6275. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6276. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6277. /* Clear ser_boot_ctl bit */
  6278. bnx2x_cl45_write(bp, phy,
  6279. MDIO_PMA_DEVAD,
  6280. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6281. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6282. DP(NETIF_MSG_LINK,
  6283. "bnx2x_8073_8727_external_rom_boot port %x:"
  6284. "Download complete. fw version = 0x%x\n",
  6285. port, fw_ver1);
  6286. return rc;
  6287. }
  6288. /******************************************************************/
  6289. /* BCM8073 PHY SECTION */
  6290. /******************************************************************/
  6291. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6292. {
  6293. /* This is only required for 8073A1, version 102 only */
  6294. u16 val;
  6295. /* Read 8073 HW revision*/
  6296. bnx2x_cl45_read(bp, phy,
  6297. MDIO_PMA_DEVAD,
  6298. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6299. if (val != 1) {
  6300. /* No need to workaround in 8073 A1 */
  6301. return 0;
  6302. }
  6303. bnx2x_cl45_read(bp, phy,
  6304. MDIO_PMA_DEVAD,
  6305. MDIO_PMA_REG_ROM_VER2, &val);
  6306. /* SNR should be applied only for version 0x102 */
  6307. if (val != 0x102)
  6308. return 0;
  6309. return 1;
  6310. }
  6311. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6312. {
  6313. u16 val, cnt, cnt1 ;
  6314. bnx2x_cl45_read(bp, phy,
  6315. MDIO_PMA_DEVAD,
  6316. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6317. if (val > 0) {
  6318. /* No need to workaround in 8073 A1 */
  6319. return 0;
  6320. }
  6321. /* XAUI workaround in 8073 A0: */
  6322. /* After loading the boot ROM and restarting Autoneg, poll
  6323. * Dev1, Reg $C820:
  6324. */
  6325. for (cnt = 0; cnt < 1000; cnt++) {
  6326. bnx2x_cl45_read(bp, phy,
  6327. MDIO_PMA_DEVAD,
  6328. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6329. &val);
  6330. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6331. * system initialization (XAUI work-around not required, as
  6332. * these bits indicate 2.5G or 1G link up).
  6333. */
  6334. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6335. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6336. return 0;
  6337. } else if (!(val & (1<<15))) {
  6338. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6339. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6340. * MSB (bit15) goes to 1 (indicating that the XAUI
  6341. * workaround has completed), then continue on with
  6342. * system initialization.
  6343. */
  6344. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6345. bnx2x_cl45_read(bp, phy,
  6346. MDIO_PMA_DEVAD,
  6347. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6348. if (val & (1<<15)) {
  6349. DP(NETIF_MSG_LINK,
  6350. "XAUI workaround has completed\n");
  6351. return 0;
  6352. }
  6353. usleep_range(3000, 6000);
  6354. }
  6355. break;
  6356. }
  6357. usleep_range(3000, 6000);
  6358. }
  6359. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6360. return -EINVAL;
  6361. }
  6362. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6363. {
  6364. /* Force KR or KX */
  6365. bnx2x_cl45_write(bp, phy,
  6366. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6367. bnx2x_cl45_write(bp, phy,
  6368. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6369. bnx2x_cl45_write(bp, phy,
  6370. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6371. bnx2x_cl45_write(bp, phy,
  6372. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6373. }
  6374. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6375. struct bnx2x_phy *phy,
  6376. struct link_vars *vars)
  6377. {
  6378. u16 cl37_val;
  6379. struct bnx2x *bp = params->bp;
  6380. bnx2x_cl45_read(bp, phy,
  6381. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6382. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6383. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6384. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6385. if ((vars->ieee_fc &
  6386. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6387. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6388. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6389. }
  6390. if ((vars->ieee_fc &
  6391. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6392. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6393. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6394. }
  6395. if ((vars->ieee_fc &
  6396. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6397. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6398. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6399. }
  6400. DP(NETIF_MSG_LINK,
  6401. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6402. bnx2x_cl45_write(bp, phy,
  6403. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6404. msleep(500);
  6405. }
  6406. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6407. struct link_params *params,
  6408. u32 action)
  6409. {
  6410. struct bnx2x *bp = params->bp;
  6411. switch (action) {
  6412. case PHY_INIT:
  6413. /* Enable LASI */
  6414. bnx2x_cl45_write(bp, phy,
  6415. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6416. bnx2x_cl45_write(bp, phy,
  6417. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6418. break;
  6419. }
  6420. }
  6421. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6422. struct link_params *params,
  6423. struct link_vars *vars)
  6424. {
  6425. struct bnx2x *bp = params->bp;
  6426. u16 val = 0, tmp1;
  6427. u8 gpio_port;
  6428. DP(NETIF_MSG_LINK, "Init 8073\n");
  6429. if (CHIP_IS_E2(bp))
  6430. gpio_port = BP_PATH(bp);
  6431. else
  6432. gpio_port = params->port;
  6433. /* Restore normal power mode*/
  6434. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6435. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6436. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6437. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6438. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6439. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6440. bnx2x_cl45_read(bp, phy,
  6441. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6442. bnx2x_cl45_read(bp, phy,
  6443. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6444. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6445. /* Swap polarity if required - Must be done only in non-1G mode */
  6446. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6447. /* Configure the 8073 to swap _P and _N of the KR lines */
  6448. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6449. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6450. bnx2x_cl45_read(bp, phy,
  6451. MDIO_PMA_DEVAD,
  6452. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6453. bnx2x_cl45_write(bp, phy,
  6454. MDIO_PMA_DEVAD,
  6455. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6456. (val | (3<<9)));
  6457. }
  6458. /* Enable CL37 BAM */
  6459. if (REG_RD(bp, params->shmem_base +
  6460. offsetof(struct shmem_region, dev_info.
  6461. port_hw_config[params->port].default_cfg)) &
  6462. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6463. bnx2x_cl45_read(bp, phy,
  6464. MDIO_AN_DEVAD,
  6465. MDIO_AN_REG_8073_BAM, &val);
  6466. bnx2x_cl45_write(bp, phy,
  6467. MDIO_AN_DEVAD,
  6468. MDIO_AN_REG_8073_BAM, val | 1);
  6469. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6470. }
  6471. if (params->loopback_mode == LOOPBACK_EXT) {
  6472. bnx2x_807x_force_10G(bp, phy);
  6473. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6474. return 0;
  6475. } else {
  6476. bnx2x_cl45_write(bp, phy,
  6477. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6478. }
  6479. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6480. if (phy->req_line_speed == SPEED_10000) {
  6481. val = (1<<7);
  6482. } else if (phy->req_line_speed == SPEED_2500) {
  6483. val = (1<<5);
  6484. /* Note that 2.5G works only when used with 1G
  6485. * advertisement
  6486. */
  6487. } else
  6488. val = (1<<5);
  6489. } else {
  6490. val = 0;
  6491. if (phy->speed_cap_mask &
  6492. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6493. val |= (1<<7);
  6494. /* Note that 2.5G works only when used with 1G advertisement */
  6495. if (phy->speed_cap_mask &
  6496. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6497. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6498. val |= (1<<5);
  6499. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6500. }
  6501. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6502. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6503. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6504. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6505. (phy->req_line_speed == SPEED_2500)) {
  6506. u16 phy_ver;
  6507. /* Allow 2.5G for A1 and above */
  6508. bnx2x_cl45_read(bp, phy,
  6509. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6510. &phy_ver);
  6511. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6512. if (phy_ver > 0)
  6513. tmp1 |= 1;
  6514. else
  6515. tmp1 &= 0xfffe;
  6516. } else {
  6517. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6518. tmp1 &= 0xfffe;
  6519. }
  6520. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6521. /* Add support for CL37 (passive mode) II */
  6522. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6523. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6524. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6525. 0x20 : 0x40)));
  6526. /* Add support for CL37 (passive mode) III */
  6527. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6528. /* The SNR will improve about 2db by changing BW and FEE main
  6529. * tap. Rest commands are executed after link is up
  6530. * Change FFE main cursor to 5 in EDC register
  6531. */
  6532. if (bnx2x_8073_is_snr_needed(bp, phy))
  6533. bnx2x_cl45_write(bp, phy,
  6534. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6535. 0xFB0C);
  6536. /* Enable FEC (Forware Error Correction) Request in the AN */
  6537. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6538. tmp1 |= (1<<15);
  6539. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6540. bnx2x_ext_phy_set_pause(params, phy, vars);
  6541. /* Restart autoneg */
  6542. msleep(500);
  6543. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6544. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6545. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6546. return 0;
  6547. }
  6548. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6549. struct link_params *params,
  6550. struct link_vars *vars)
  6551. {
  6552. struct bnx2x *bp = params->bp;
  6553. u8 link_up = 0;
  6554. u16 val1, val2;
  6555. u16 link_status = 0;
  6556. u16 an1000_status = 0;
  6557. bnx2x_cl45_read(bp, phy,
  6558. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6559. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6560. /* Clear the interrupt LASI status register */
  6561. bnx2x_cl45_read(bp, phy,
  6562. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6563. bnx2x_cl45_read(bp, phy,
  6564. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6565. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6566. /* Clear MSG-OUT */
  6567. bnx2x_cl45_read(bp, phy,
  6568. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6569. /* Check the LASI */
  6570. bnx2x_cl45_read(bp, phy,
  6571. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6572. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6573. /* Check the link status */
  6574. bnx2x_cl45_read(bp, phy,
  6575. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6576. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6577. bnx2x_cl45_read(bp, phy,
  6578. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6579. bnx2x_cl45_read(bp, phy,
  6580. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6581. link_up = ((val1 & 4) == 4);
  6582. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6583. if (link_up &&
  6584. ((phy->req_line_speed != SPEED_10000))) {
  6585. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6586. return 0;
  6587. }
  6588. bnx2x_cl45_read(bp, phy,
  6589. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6590. bnx2x_cl45_read(bp, phy,
  6591. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6592. /* Check the link status on 1.1.2 */
  6593. bnx2x_cl45_read(bp, phy,
  6594. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6595. bnx2x_cl45_read(bp, phy,
  6596. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6597. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6598. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6599. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6600. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6601. /* The SNR will improve about 2dbby changing the BW and FEE main
  6602. * tap. The 1st write to change FFE main tap is set before
  6603. * restart AN. Change PLL Bandwidth in EDC register
  6604. */
  6605. bnx2x_cl45_write(bp, phy,
  6606. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6607. 0x26BC);
  6608. /* Change CDR Bandwidth in EDC register */
  6609. bnx2x_cl45_write(bp, phy,
  6610. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6611. 0x0333);
  6612. }
  6613. bnx2x_cl45_read(bp, phy,
  6614. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6615. &link_status);
  6616. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6617. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6618. link_up = 1;
  6619. vars->line_speed = SPEED_10000;
  6620. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6621. params->port);
  6622. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6623. link_up = 1;
  6624. vars->line_speed = SPEED_2500;
  6625. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6626. params->port);
  6627. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6628. link_up = 1;
  6629. vars->line_speed = SPEED_1000;
  6630. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6631. params->port);
  6632. } else {
  6633. link_up = 0;
  6634. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6635. params->port);
  6636. }
  6637. if (link_up) {
  6638. /* Swap polarity if required */
  6639. if (params->lane_config &
  6640. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6641. /* Configure the 8073 to swap P and N of the KR lines */
  6642. bnx2x_cl45_read(bp, phy,
  6643. MDIO_XS_DEVAD,
  6644. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6645. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6646. * when it`s in 10G mode.
  6647. */
  6648. if (vars->line_speed == SPEED_1000) {
  6649. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6650. "the 8073\n");
  6651. val1 |= (1<<3);
  6652. } else
  6653. val1 &= ~(1<<3);
  6654. bnx2x_cl45_write(bp, phy,
  6655. MDIO_XS_DEVAD,
  6656. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6657. val1);
  6658. }
  6659. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6660. bnx2x_8073_resolve_fc(phy, params, vars);
  6661. vars->duplex = DUPLEX_FULL;
  6662. }
  6663. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6664. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6665. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6666. if (val1 & (1<<5))
  6667. vars->link_status |=
  6668. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6669. if (val1 & (1<<7))
  6670. vars->link_status |=
  6671. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6672. }
  6673. return link_up;
  6674. }
  6675. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6676. struct link_params *params)
  6677. {
  6678. struct bnx2x *bp = params->bp;
  6679. u8 gpio_port;
  6680. if (CHIP_IS_E2(bp))
  6681. gpio_port = BP_PATH(bp);
  6682. else
  6683. gpio_port = params->port;
  6684. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6685. gpio_port);
  6686. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6687. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6688. gpio_port);
  6689. }
  6690. /******************************************************************/
  6691. /* BCM8705 PHY SECTION */
  6692. /******************************************************************/
  6693. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6694. struct link_params *params,
  6695. struct link_vars *vars)
  6696. {
  6697. struct bnx2x *bp = params->bp;
  6698. DP(NETIF_MSG_LINK, "init 8705\n");
  6699. /* Restore normal power mode*/
  6700. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6701. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6702. /* HW reset */
  6703. bnx2x_ext_phy_hw_reset(bp, params->port);
  6704. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6705. bnx2x_wait_reset_complete(bp, phy, params);
  6706. bnx2x_cl45_write(bp, phy,
  6707. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6708. bnx2x_cl45_write(bp, phy,
  6709. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6710. bnx2x_cl45_write(bp, phy,
  6711. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6712. bnx2x_cl45_write(bp, phy,
  6713. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6714. /* BCM8705 doesn't have microcode, hence the 0 */
  6715. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6716. return 0;
  6717. }
  6718. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6719. struct link_params *params,
  6720. struct link_vars *vars)
  6721. {
  6722. u8 link_up = 0;
  6723. u16 val1, rx_sd;
  6724. struct bnx2x *bp = params->bp;
  6725. DP(NETIF_MSG_LINK, "read status 8705\n");
  6726. bnx2x_cl45_read(bp, phy,
  6727. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6728. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6729. bnx2x_cl45_read(bp, phy,
  6730. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6731. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6732. bnx2x_cl45_read(bp, phy,
  6733. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6734. bnx2x_cl45_read(bp, phy,
  6735. MDIO_PMA_DEVAD, 0xc809, &val1);
  6736. bnx2x_cl45_read(bp, phy,
  6737. MDIO_PMA_DEVAD, 0xc809, &val1);
  6738. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6739. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6740. if (link_up) {
  6741. vars->line_speed = SPEED_10000;
  6742. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6743. }
  6744. return link_up;
  6745. }
  6746. /******************************************************************/
  6747. /* SFP+ module Section */
  6748. /******************************************************************/
  6749. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6750. struct bnx2x_phy *phy,
  6751. u8 pmd_dis)
  6752. {
  6753. struct bnx2x *bp = params->bp;
  6754. /* Disable transmitter only for bootcodes which can enable it afterwards
  6755. * (for D3 link)
  6756. */
  6757. if (pmd_dis) {
  6758. if (params->feature_config_flags &
  6759. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6760. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6761. else {
  6762. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6763. return;
  6764. }
  6765. } else
  6766. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6767. bnx2x_cl45_write(bp, phy,
  6768. MDIO_PMA_DEVAD,
  6769. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6770. }
  6771. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6772. {
  6773. u8 gpio_port;
  6774. u32 swap_val, swap_override;
  6775. struct bnx2x *bp = params->bp;
  6776. if (CHIP_IS_E2(bp))
  6777. gpio_port = BP_PATH(bp);
  6778. else
  6779. gpio_port = params->port;
  6780. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6781. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6782. return gpio_port ^ (swap_val && swap_override);
  6783. }
  6784. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6785. struct bnx2x_phy *phy,
  6786. u8 tx_en)
  6787. {
  6788. u16 val;
  6789. u8 port = params->port;
  6790. struct bnx2x *bp = params->bp;
  6791. u32 tx_en_mode;
  6792. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6793. tx_en_mode = REG_RD(bp, params->shmem_base +
  6794. offsetof(struct shmem_region,
  6795. dev_info.port_hw_config[port].sfp_ctrl)) &
  6796. PORT_HW_CFG_TX_LASER_MASK;
  6797. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6798. "mode = %x\n", tx_en, port, tx_en_mode);
  6799. switch (tx_en_mode) {
  6800. case PORT_HW_CFG_TX_LASER_MDIO:
  6801. bnx2x_cl45_read(bp, phy,
  6802. MDIO_PMA_DEVAD,
  6803. MDIO_PMA_REG_PHY_IDENTIFIER,
  6804. &val);
  6805. if (tx_en)
  6806. val &= ~(1<<15);
  6807. else
  6808. val |= (1<<15);
  6809. bnx2x_cl45_write(bp, phy,
  6810. MDIO_PMA_DEVAD,
  6811. MDIO_PMA_REG_PHY_IDENTIFIER,
  6812. val);
  6813. break;
  6814. case PORT_HW_CFG_TX_LASER_GPIO0:
  6815. case PORT_HW_CFG_TX_LASER_GPIO1:
  6816. case PORT_HW_CFG_TX_LASER_GPIO2:
  6817. case PORT_HW_CFG_TX_LASER_GPIO3:
  6818. {
  6819. u16 gpio_pin;
  6820. u8 gpio_port, gpio_mode;
  6821. if (tx_en)
  6822. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6823. else
  6824. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6825. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6826. gpio_port = bnx2x_get_gpio_port(params);
  6827. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6828. break;
  6829. }
  6830. default:
  6831. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6832. break;
  6833. }
  6834. }
  6835. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6836. struct bnx2x_phy *phy,
  6837. u8 tx_en)
  6838. {
  6839. struct bnx2x *bp = params->bp;
  6840. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6841. if (CHIP_IS_E3(bp))
  6842. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6843. else
  6844. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6845. }
  6846. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6847. struct link_params *params,
  6848. u8 dev_addr, u16 addr, u8 byte_cnt,
  6849. u8 *o_buf, u8 is_init)
  6850. {
  6851. struct bnx2x *bp = params->bp;
  6852. u16 val = 0;
  6853. u16 i;
  6854. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6855. DP(NETIF_MSG_LINK,
  6856. "Reading from eeprom is limited to 0xf\n");
  6857. return -EINVAL;
  6858. }
  6859. /* Set the read command byte count */
  6860. bnx2x_cl45_write(bp, phy,
  6861. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6862. (byte_cnt | (dev_addr << 8)));
  6863. /* Set the read command address */
  6864. bnx2x_cl45_write(bp, phy,
  6865. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6866. addr);
  6867. /* Activate read command */
  6868. bnx2x_cl45_write(bp, phy,
  6869. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6870. 0x2c0f);
  6871. /* Wait up to 500us for command complete status */
  6872. for (i = 0; i < 100; i++) {
  6873. bnx2x_cl45_read(bp, phy,
  6874. MDIO_PMA_DEVAD,
  6875. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6876. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6877. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6878. break;
  6879. udelay(5);
  6880. }
  6881. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6882. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6883. DP(NETIF_MSG_LINK,
  6884. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6885. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6886. return -EINVAL;
  6887. }
  6888. /* Read the buffer */
  6889. for (i = 0; i < byte_cnt; i++) {
  6890. bnx2x_cl45_read(bp, phy,
  6891. MDIO_PMA_DEVAD,
  6892. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6893. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6894. }
  6895. for (i = 0; i < 100; i++) {
  6896. bnx2x_cl45_read(bp, phy,
  6897. MDIO_PMA_DEVAD,
  6898. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6899. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6900. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6901. return 0;
  6902. usleep_range(1000, 2000);
  6903. }
  6904. return -EINVAL;
  6905. }
  6906. static void bnx2x_warpcore_power_module(struct link_params *params,
  6907. u8 power)
  6908. {
  6909. u32 pin_cfg;
  6910. struct bnx2x *bp = params->bp;
  6911. pin_cfg = (REG_RD(bp, params->shmem_base +
  6912. offsetof(struct shmem_region,
  6913. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6914. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6915. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6916. if (pin_cfg == PIN_CFG_NA)
  6917. return;
  6918. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6919. power, pin_cfg);
  6920. /* Low ==> corresponding SFP+ module is powered
  6921. * high ==> the SFP+ module is powered down
  6922. */
  6923. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6924. }
  6925. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6926. struct link_params *params,
  6927. u8 dev_addr,
  6928. u16 addr, u8 byte_cnt,
  6929. u8 *o_buf, u8 is_init)
  6930. {
  6931. int rc = 0;
  6932. u8 i, j = 0, cnt = 0;
  6933. u32 data_array[4];
  6934. u16 addr32;
  6935. struct bnx2x *bp = params->bp;
  6936. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6937. DP(NETIF_MSG_LINK,
  6938. "Reading from eeprom is limited to 16 bytes\n");
  6939. return -EINVAL;
  6940. }
  6941. /* 4 byte aligned address */
  6942. addr32 = addr & (~0x3);
  6943. do {
  6944. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6945. bnx2x_warpcore_power_module(params, 0);
  6946. /* Note that 100us are not enough here */
  6947. usleep_range(1000, 2000);
  6948. bnx2x_warpcore_power_module(params, 1);
  6949. }
  6950. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  6951. data_array);
  6952. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6953. if (rc == 0) {
  6954. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6955. o_buf[j] = *((u8 *)data_array + i);
  6956. j++;
  6957. }
  6958. }
  6959. return rc;
  6960. }
  6961. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6962. struct link_params *params,
  6963. u8 dev_addr, u16 addr, u8 byte_cnt,
  6964. u8 *o_buf, u8 is_init)
  6965. {
  6966. struct bnx2x *bp = params->bp;
  6967. u16 val, 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 2-wire transfer rate of SFP+ module EEPROM
  6974. * to 100Khz since some DACs(direct attached cables) do
  6975. * not work at 400Khz.
  6976. */
  6977. bnx2x_cl45_write(bp, phy,
  6978. MDIO_PMA_DEVAD,
  6979. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6980. ((dev_addr << 8) | 1));
  6981. /* Need to read from 1.8000 to clear it */
  6982. bnx2x_cl45_read(bp, phy,
  6983. MDIO_PMA_DEVAD,
  6984. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6985. &val);
  6986. /* Set the read command byte count */
  6987. bnx2x_cl45_write(bp, phy,
  6988. MDIO_PMA_DEVAD,
  6989. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6990. ((byte_cnt < 2) ? 2 : byte_cnt));
  6991. /* Set the read command address */
  6992. bnx2x_cl45_write(bp, phy,
  6993. MDIO_PMA_DEVAD,
  6994. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6995. addr);
  6996. /* Set the destination address */
  6997. bnx2x_cl45_write(bp, phy,
  6998. MDIO_PMA_DEVAD,
  6999. 0x8004,
  7000. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7001. /* Activate read command */
  7002. bnx2x_cl45_write(bp, phy,
  7003. MDIO_PMA_DEVAD,
  7004. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7005. 0x8002);
  7006. /* Wait appropriate time for two-wire command to finish before
  7007. * polling the status register
  7008. */
  7009. usleep_range(1000, 2000);
  7010. /* Wait up to 500us for command complete status */
  7011. for (i = 0; i < 100; i++) {
  7012. bnx2x_cl45_read(bp, phy,
  7013. MDIO_PMA_DEVAD,
  7014. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7015. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7016. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7017. break;
  7018. udelay(5);
  7019. }
  7020. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7021. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7022. DP(NETIF_MSG_LINK,
  7023. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7024. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7025. return -EFAULT;
  7026. }
  7027. /* Read the buffer */
  7028. for (i = 0; i < byte_cnt; i++) {
  7029. bnx2x_cl45_read(bp, phy,
  7030. MDIO_PMA_DEVAD,
  7031. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7032. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7033. }
  7034. for (i = 0; i < 100; i++) {
  7035. bnx2x_cl45_read(bp, phy,
  7036. MDIO_PMA_DEVAD,
  7037. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7038. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7039. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7040. return 0;
  7041. usleep_range(1000, 2000);
  7042. }
  7043. return -EINVAL;
  7044. }
  7045. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7046. struct link_params *params, u8 dev_addr,
  7047. u16 addr, u16 byte_cnt, u8 *o_buf)
  7048. {
  7049. int rc = 0;
  7050. struct bnx2x *bp = params->bp;
  7051. u8 xfer_size;
  7052. u8 *user_data = o_buf;
  7053. read_sfp_module_eeprom_func_p read_func;
  7054. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7055. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7056. return -EINVAL;
  7057. }
  7058. switch (phy->type) {
  7059. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7060. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7061. break;
  7062. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7063. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7064. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7065. break;
  7066. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7067. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7068. break;
  7069. default:
  7070. return -EOPNOTSUPP;
  7071. }
  7072. while (!rc && (byte_cnt > 0)) {
  7073. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7074. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7075. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7076. user_data, 0);
  7077. byte_cnt -= xfer_size;
  7078. user_data += xfer_size;
  7079. addr += xfer_size;
  7080. }
  7081. return rc;
  7082. }
  7083. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7084. struct link_params *params,
  7085. u16 *edc_mode)
  7086. {
  7087. struct bnx2x *bp = params->bp;
  7088. u32 sync_offset = 0, phy_idx, media_types;
  7089. u8 gport, val[2], check_limiting_mode = 0;
  7090. *edc_mode = EDC_MODE_LIMITING;
  7091. phy->media_type = ETH_PHY_UNSPECIFIED;
  7092. /* First check for copper cable */
  7093. if (bnx2x_read_sfp_module_eeprom(phy,
  7094. params,
  7095. I2C_DEV_ADDR_A0,
  7096. SFP_EEPROM_CON_TYPE_ADDR,
  7097. 2,
  7098. (u8 *)val) != 0) {
  7099. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7100. return -EINVAL;
  7101. }
  7102. switch (val[0]) {
  7103. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7104. {
  7105. u8 copper_module_type;
  7106. phy->media_type = ETH_PHY_DA_TWINAX;
  7107. /* Check if its active cable (includes SFP+ module)
  7108. * of passive cable
  7109. */
  7110. if (bnx2x_read_sfp_module_eeprom(phy,
  7111. params,
  7112. I2C_DEV_ADDR_A0,
  7113. SFP_EEPROM_FC_TX_TECH_ADDR,
  7114. 1,
  7115. &copper_module_type) != 0) {
  7116. DP(NETIF_MSG_LINK,
  7117. "Failed to read copper-cable-type"
  7118. " from SFP+ EEPROM\n");
  7119. return -EINVAL;
  7120. }
  7121. if (copper_module_type &
  7122. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7123. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7124. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7125. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7126. else
  7127. check_limiting_mode = 1;
  7128. } else {
  7129. *edc_mode = EDC_MODE_PASSIVE_DAC;
  7130. /* Even in case PASSIVE_DAC indication is not set,
  7131. * treat it as a passive DAC cable, since some cables
  7132. * don't have this indication.
  7133. */
  7134. if (copper_module_type &
  7135. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7136. DP(NETIF_MSG_LINK,
  7137. "Passive Copper cable detected\n");
  7138. } else {
  7139. DP(NETIF_MSG_LINK,
  7140. "Unknown copper-cable-type\n");
  7141. }
  7142. }
  7143. break;
  7144. }
  7145. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7146. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7147. check_limiting_mode = 1;
  7148. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7149. SFP_EEPROM_COMP_CODE_LR_MASK |
  7150. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7151. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7152. gport = params->port;
  7153. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7154. if (phy->req_line_speed != SPEED_1000) {
  7155. phy->req_line_speed = SPEED_1000;
  7156. if (!CHIP_IS_E1x(bp)) {
  7157. gport = BP_PATH(bp) +
  7158. (params->port << 1);
  7159. }
  7160. netdev_err(bp->dev,
  7161. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7162. gport);
  7163. }
  7164. } else {
  7165. int idx, cfg_idx = 0;
  7166. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7167. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7168. if (params->phy[idx].type == phy->type) {
  7169. cfg_idx = LINK_CONFIG_IDX(idx);
  7170. break;
  7171. }
  7172. }
  7173. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7174. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7175. }
  7176. break;
  7177. default:
  7178. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7179. val[0]);
  7180. return -EINVAL;
  7181. }
  7182. sync_offset = params->shmem_base +
  7183. offsetof(struct shmem_region,
  7184. dev_info.port_hw_config[params->port].media_type);
  7185. media_types = REG_RD(bp, sync_offset);
  7186. /* Update media type for non-PMF sync */
  7187. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7188. if (&(params->phy[phy_idx]) == phy) {
  7189. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7190. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7191. media_types |= ((phy->media_type &
  7192. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7193. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7194. break;
  7195. }
  7196. }
  7197. REG_WR(bp, sync_offset, media_types);
  7198. if (check_limiting_mode) {
  7199. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7200. if (bnx2x_read_sfp_module_eeprom(phy,
  7201. params,
  7202. I2C_DEV_ADDR_A0,
  7203. SFP_EEPROM_OPTIONS_ADDR,
  7204. SFP_EEPROM_OPTIONS_SIZE,
  7205. options) != 0) {
  7206. DP(NETIF_MSG_LINK,
  7207. "Failed to read Option field from module EEPROM\n");
  7208. return -EINVAL;
  7209. }
  7210. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7211. *edc_mode = EDC_MODE_LINEAR;
  7212. else
  7213. *edc_mode = EDC_MODE_LIMITING;
  7214. }
  7215. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7216. return 0;
  7217. }
  7218. /* This function read the relevant field from the module (SFP+), and verify it
  7219. * is compliant with this board
  7220. */
  7221. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7222. struct link_params *params)
  7223. {
  7224. struct bnx2x *bp = params->bp;
  7225. u32 val, cmd;
  7226. u32 fw_resp, fw_cmd_param;
  7227. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7228. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7229. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7230. val = REG_RD(bp, params->shmem_base +
  7231. offsetof(struct shmem_region, dev_info.
  7232. port_feature_config[params->port].config));
  7233. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7234. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7235. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7236. return 0;
  7237. }
  7238. if (params->feature_config_flags &
  7239. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7240. /* Use specific phy request */
  7241. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7242. } else if (params->feature_config_flags &
  7243. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7244. /* Use first phy request only in case of non-dual media*/
  7245. if (DUAL_MEDIA(params)) {
  7246. DP(NETIF_MSG_LINK,
  7247. "FW does not support OPT MDL verification\n");
  7248. return -EINVAL;
  7249. }
  7250. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7251. } else {
  7252. /* No support in OPT MDL detection */
  7253. DP(NETIF_MSG_LINK,
  7254. "FW does not support OPT MDL verification\n");
  7255. return -EINVAL;
  7256. }
  7257. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7258. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7259. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7260. DP(NETIF_MSG_LINK, "Approved module\n");
  7261. return 0;
  7262. }
  7263. /* Format the warning message */
  7264. if (bnx2x_read_sfp_module_eeprom(phy,
  7265. params,
  7266. I2C_DEV_ADDR_A0,
  7267. SFP_EEPROM_VENDOR_NAME_ADDR,
  7268. SFP_EEPROM_VENDOR_NAME_SIZE,
  7269. (u8 *)vendor_name))
  7270. vendor_name[0] = '\0';
  7271. else
  7272. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7273. if (bnx2x_read_sfp_module_eeprom(phy,
  7274. params,
  7275. I2C_DEV_ADDR_A0,
  7276. SFP_EEPROM_PART_NO_ADDR,
  7277. SFP_EEPROM_PART_NO_SIZE,
  7278. (u8 *)vendor_pn))
  7279. vendor_pn[0] = '\0';
  7280. else
  7281. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7282. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7283. " Port %d from %s part number %s\n",
  7284. params->port, vendor_name, vendor_pn);
  7285. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7286. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7287. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7288. return -EINVAL;
  7289. }
  7290. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7291. struct link_params *params)
  7292. {
  7293. u8 val;
  7294. int rc;
  7295. struct bnx2x *bp = params->bp;
  7296. u16 timeout;
  7297. /* Initialization time after hot-plug may take up to 300ms for
  7298. * some phys type ( e.g. JDSU )
  7299. */
  7300. for (timeout = 0; timeout < 60; timeout++) {
  7301. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7302. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7303. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7304. 1);
  7305. else
  7306. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7307. I2C_DEV_ADDR_A0,
  7308. 1, 1, &val);
  7309. if (rc == 0) {
  7310. DP(NETIF_MSG_LINK,
  7311. "SFP+ module initialization took %d ms\n",
  7312. timeout * 5);
  7313. return 0;
  7314. }
  7315. usleep_range(5000, 10000);
  7316. }
  7317. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7318. 1, 1, &val);
  7319. return rc;
  7320. }
  7321. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7322. struct bnx2x_phy *phy,
  7323. u8 is_power_up) {
  7324. /* Make sure GPIOs are not using for LED mode */
  7325. u16 val;
  7326. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7327. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7328. * output
  7329. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7330. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7331. * where the 1st bit is the over-current(only input), and 2nd bit is
  7332. * for power( only output )
  7333. *
  7334. * In case of NOC feature is disabled and power is up, set GPIO control
  7335. * as input to enable listening of over-current indication
  7336. */
  7337. if (phy->flags & FLAGS_NOC)
  7338. return;
  7339. if (is_power_up)
  7340. val = (1<<4);
  7341. else
  7342. /* Set GPIO control to OUTPUT, and set the power bit
  7343. * to according to the is_power_up
  7344. */
  7345. val = (1<<1);
  7346. bnx2x_cl45_write(bp, phy,
  7347. MDIO_PMA_DEVAD,
  7348. MDIO_PMA_REG_8727_GPIO_CTRL,
  7349. val);
  7350. }
  7351. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7352. struct bnx2x_phy *phy,
  7353. u16 edc_mode)
  7354. {
  7355. u16 cur_limiting_mode;
  7356. bnx2x_cl45_read(bp, phy,
  7357. MDIO_PMA_DEVAD,
  7358. MDIO_PMA_REG_ROM_VER2,
  7359. &cur_limiting_mode);
  7360. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7361. cur_limiting_mode);
  7362. if (edc_mode == EDC_MODE_LIMITING) {
  7363. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7364. bnx2x_cl45_write(bp, phy,
  7365. MDIO_PMA_DEVAD,
  7366. MDIO_PMA_REG_ROM_VER2,
  7367. EDC_MODE_LIMITING);
  7368. } else { /* LRM mode ( default )*/
  7369. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7370. /* Changing to LRM mode takes quite few seconds. So do it only
  7371. * if current mode is limiting (default is LRM)
  7372. */
  7373. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7374. return 0;
  7375. bnx2x_cl45_write(bp, phy,
  7376. MDIO_PMA_DEVAD,
  7377. MDIO_PMA_REG_LRM_MODE,
  7378. 0);
  7379. bnx2x_cl45_write(bp, phy,
  7380. MDIO_PMA_DEVAD,
  7381. MDIO_PMA_REG_ROM_VER2,
  7382. 0x128);
  7383. bnx2x_cl45_write(bp, phy,
  7384. MDIO_PMA_DEVAD,
  7385. MDIO_PMA_REG_MISC_CTRL0,
  7386. 0x4008);
  7387. bnx2x_cl45_write(bp, phy,
  7388. MDIO_PMA_DEVAD,
  7389. MDIO_PMA_REG_LRM_MODE,
  7390. 0xaaaa);
  7391. }
  7392. return 0;
  7393. }
  7394. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7395. struct bnx2x_phy *phy,
  7396. u16 edc_mode)
  7397. {
  7398. u16 phy_identifier;
  7399. u16 rom_ver2_val;
  7400. bnx2x_cl45_read(bp, phy,
  7401. MDIO_PMA_DEVAD,
  7402. MDIO_PMA_REG_PHY_IDENTIFIER,
  7403. &phy_identifier);
  7404. bnx2x_cl45_write(bp, phy,
  7405. MDIO_PMA_DEVAD,
  7406. MDIO_PMA_REG_PHY_IDENTIFIER,
  7407. (phy_identifier & ~(1<<9)));
  7408. bnx2x_cl45_read(bp, phy,
  7409. MDIO_PMA_DEVAD,
  7410. MDIO_PMA_REG_ROM_VER2,
  7411. &rom_ver2_val);
  7412. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7413. bnx2x_cl45_write(bp, phy,
  7414. MDIO_PMA_DEVAD,
  7415. MDIO_PMA_REG_ROM_VER2,
  7416. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7417. bnx2x_cl45_write(bp, phy,
  7418. MDIO_PMA_DEVAD,
  7419. MDIO_PMA_REG_PHY_IDENTIFIER,
  7420. (phy_identifier | (1<<9)));
  7421. return 0;
  7422. }
  7423. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7424. struct link_params *params,
  7425. u32 action)
  7426. {
  7427. struct bnx2x *bp = params->bp;
  7428. u16 val;
  7429. switch (action) {
  7430. case DISABLE_TX:
  7431. bnx2x_sfp_set_transmitter(params, phy, 0);
  7432. break;
  7433. case ENABLE_TX:
  7434. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7435. bnx2x_sfp_set_transmitter(params, phy, 1);
  7436. break;
  7437. case PHY_INIT:
  7438. bnx2x_cl45_write(bp, phy,
  7439. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7440. (1<<2) | (1<<5));
  7441. bnx2x_cl45_write(bp, phy,
  7442. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7443. 0);
  7444. bnx2x_cl45_write(bp, phy,
  7445. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7446. /* Make MOD_ABS give interrupt on change */
  7447. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7448. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7449. &val);
  7450. val |= (1<<12);
  7451. if (phy->flags & FLAGS_NOC)
  7452. val |= (3<<5);
  7453. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7454. * status which reflect SFP+ module over-current
  7455. */
  7456. if (!(phy->flags & FLAGS_NOC))
  7457. val &= 0xff8f; /* Reset bits 4-6 */
  7458. bnx2x_cl45_write(bp, phy,
  7459. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7460. val);
  7461. break;
  7462. default:
  7463. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7464. action);
  7465. return;
  7466. }
  7467. }
  7468. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7469. u8 gpio_mode)
  7470. {
  7471. struct bnx2x *bp = params->bp;
  7472. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7473. offsetof(struct shmem_region,
  7474. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7475. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7476. switch (fault_led_gpio) {
  7477. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7478. return;
  7479. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7480. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7481. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7482. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7483. {
  7484. u8 gpio_port = bnx2x_get_gpio_port(params);
  7485. u16 gpio_pin = fault_led_gpio -
  7486. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7487. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7488. "pin %x port %x mode %x\n",
  7489. gpio_pin, gpio_port, gpio_mode);
  7490. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7491. }
  7492. break;
  7493. default:
  7494. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7495. fault_led_gpio);
  7496. }
  7497. }
  7498. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7499. u8 gpio_mode)
  7500. {
  7501. u32 pin_cfg;
  7502. u8 port = params->port;
  7503. struct bnx2x *bp = params->bp;
  7504. pin_cfg = (REG_RD(bp, params->shmem_base +
  7505. offsetof(struct shmem_region,
  7506. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7507. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7508. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7509. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7510. gpio_mode, pin_cfg);
  7511. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7512. }
  7513. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7514. u8 gpio_mode)
  7515. {
  7516. struct bnx2x *bp = params->bp;
  7517. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7518. if (CHIP_IS_E3(bp)) {
  7519. /* Low ==> if SFP+ module is supported otherwise
  7520. * High ==> if SFP+ module is not on the approved vendor list
  7521. */
  7522. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7523. } else
  7524. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7525. }
  7526. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7527. struct link_params *params)
  7528. {
  7529. struct bnx2x *bp = params->bp;
  7530. bnx2x_warpcore_power_module(params, 0);
  7531. /* Put Warpcore in low power mode */
  7532. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7533. /* Put LCPLL in low power mode */
  7534. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7535. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7536. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7537. }
  7538. static void bnx2x_power_sfp_module(struct link_params *params,
  7539. struct bnx2x_phy *phy,
  7540. u8 power)
  7541. {
  7542. struct bnx2x *bp = params->bp;
  7543. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7544. switch (phy->type) {
  7545. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7546. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7547. bnx2x_8727_power_module(params->bp, phy, power);
  7548. break;
  7549. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7550. bnx2x_warpcore_power_module(params, power);
  7551. break;
  7552. default:
  7553. break;
  7554. }
  7555. }
  7556. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7557. struct bnx2x_phy *phy,
  7558. u16 edc_mode)
  7559. {
  7560. u16 val = 0;
  7561. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7562. struct bnx2x *bp = params->bp;
  7563. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7564. /* This is a global register which controls all lanes */
  7565. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7566. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7567. val &= ~(0xf << (lane << 2));
  7568. switch (edc_mode) {
  7569. case EDC_MODE_LINEAR:
  7570. case EDC_MODE_LIMITING:
  7571. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7572. break;
  7573. case EDC_MODE_PASSIVE_DAC:
  7574. case EDC_MODE_ACTIVE_DAC:
  7575. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7576. break;
  7577. default:
  7578. break;
  7579. }
  7580. val |= (mode << (lane << 2));
  7581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7582. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7583. /* A must read */
  7584. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7585. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7586. /* Restart microcode to re-read the new mode */
  7587. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7588. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7589. }
  7590. static void bnx2x_set_limiting_mode(struct link_params *params,
  7591. struct bnx2x_phy *phy,
  7592. u16 edc_mode)
  7593. {
  7594. switch (phy->type) {
  7595. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7596. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7597. break;
  7598. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7599. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7600. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7601. break;
  7602. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7603. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7604. break;
  7605. }
  7606. }
  7607. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7608. struct link_params *params)
  7609. {
  7610. struct bnx2x *bp = params->bp;
  7611. u16 edc_mode;
  7612. int rc = 0;
  7613. u32 val = REG_RD(bp, params->shmem_base +
  7614. offsetof(struct shmem_region, dev_info.
  7615. port_feature_config[params->port].config));
  7616. /* Enabled transmitter by default */
  7617. bnx2x_sfp_set_transmitter(params, phy, 1);
  7618. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7619. params->port);
  7620. /* Power up module */
  7621. bnx2x_power_sfp_module(params, phy, 1);
  7622. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7623. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7624. return -EINVAL;
  7625. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7626. /* Check SFP+ module compatibility */
  7627. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7628. rc = -EINVAL;
  7629. /* Turn on fault module-detected led */
  7630. bnx2x_set_sfp_module_fault_led(params,
  7631. MISC_REGISTERS_GPIO_HIGH);
  7632. /* Check if need to power down the SFP+ module */
  7633. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7634. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7635. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7636. bnx2x_power_sfp_module(params, phy, 0);
  7637. return rc;
  7638. }
  7639. } else {
  7640. /* Turn off fault module-detected led */
  7641. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7642. }
  7643. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7644. * is done automatically
  7645. */
  7646. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7647. /* Disable transmit for this module if the module is not approved, and
  7648. * laser needs to be disabled.
  7649. */
  7650. if ((rc) &&
  7651. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7652. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7653. bnx2x_sfp_set_transmitter(params, phy, 0);
  7654. return rc;
  7655. }
  7656. void bnx2x_handle_module_detect_int(struct link_params *params)
  7657. {
  7658. struct bnx2x *bp = params->bp;
  7659. struct bnx2x_phy *phy;
  7660. u32 gpio_val;
  7661. u8 gpio_num, gpio_port;
  7662. if (CHIP_IS_E3(bp)) {
  7663. phy = &params->phy[INT_PHY];
  7664. /* Always enable TX laser,will be disabled in case of fault */
  7665. bnx2x_sfp_set_transmitter(params, phy, 1);
  7666. } else {
  7667. phy = &params->phy[EXT_PHY1];
  7668. }
  7669. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7670. params->port, &gpio_num, &gpio_port) ==
  7671. -EINVAL) {
  7672. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7673. return;
  7674. }
  7675. /* Set valid module led off */
  7676. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7677. /* Get current gpio val reflecting module plugged in / out*/
  7678. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7679. /* Call the handling function in case module is detected */
  7680. if (gpio_val == 0) {
  7681. bnx2x_set_mdio_emac_per_phy(bp, params);
  7682. bnx2x_set_aer_mmd(params, phy);
  7683. bnx2x_power_sfp_module(params, phy, 1);
  7684. bnx2x_set_gpio_int(bp, gpio_num,
  7685. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7686. gpio_port);
  7687. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7688. bnx2x_sfp_module_detection(phy, params);
  7689. if (CHIP_IS_E3(bp)) {
  7690. u16 rx_tx_in_reset;
  7691. /* In case WC is out of reset, reconfigure the
  7692. * link speed while taking into account 1G
  7693. * module limitation.
  7694. */
  7695. bnx2x_cl45_read(bp, phy,
  7696. MDIO_WC_DEVAD,
  7697. MDIO_WC_REG_DIGITAL5_MISC6,
  7698. &rx_tx_in_reset);
  7699. if ((!rx_tx_in_reset) &&
  7700. (params->link_flags &
  7701. PHY_INITIALIZED)) {
  7702. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7703. bnx2x_warpcore_config_sfi(phy, params);
  7704. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7705. }
  7706. }
  7707. } else {
  7708. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7709. }
  7710. } else {
  7711. bnx2x_set_gpio_int(bp, gpio_num,
  7712. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7713. gpio_port);
  7714. /* Module was plugged out.
  7715. * Disable transmit for this module
  7716. */
  7717. phy->media_type = ETH_PHY_NOT_PRESENT;
  7718. }
  7719. }
  7720. /******************************************************************/
  7721. /* Used by 8706 and 8727 */
  7722. /******************************************************************/
  7723. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7724. struct bnx2x_phy *phy,
  7725. u16 alarm_status_offset,
  7726. u16 alarm_ctrl_offset)
  7727. {
  7728. u16 alarm_status, val;
  7729. bnx2x_cl45_read(bp, phy,
  7730. MDIO_PMA_DEVAD, alarm_status_offset,
  7731. &alarm_status);
  7732. bnx2x_cl45_read(bp, phy,
  7733. MDIO_PMA_DEVAD, alarm_status_offset,
  7734. &alarm_status);
  7735. /* Mask or enable the fault event. */
  7736. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7737. if (alarm_status & (1<<0))
  7738. val &= ~(1<<0);
  7739. else
  7740. val |= (1<<0);
  7741. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7742. }
  7743. /******************************************************************/
  7744. /* common BCM8706/BCM8726 PHY SECTION */
  7745. /******************************************************************/
  7746. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7747. struct link_params *params,
  7748. struct link_vars *vars)
  7749. {
  7750. u8 link_up = 0;
  7751. u16 val1, val2, rx_sd, pcs_status;
  7752. struct bnx2x *bp = params->bp;
  7753. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7754. /* Clear RX Alarm*/
  7755. bnx2x_cl45_read(bp, phy,
  7756. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7757. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7758. MDIO_PMA_LASI_TXCTRL);
  7759. /* Clear LASI indication*/
  7760. bnx2x_cl45_read(bp, phy,
  7761. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7762. bnx2x_cl45_read(bp, phy,
  7763. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7764. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7765. bnx2x_cl45_read(bp, phy,
  7766. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7767. bnx2x_cl45_read(bp, phy,
  7768. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7769. bnx2x_cl45_read(bp, phy,
  7770. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7771. bnx2x_cl45_read(bp, phy,
  7772. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7773. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7774. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7775. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7776. * are set, or if the autoneg bit 1 is set
  7777. */
  7778. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7779. if (link_up) {
  7780. if (val2 & (1<<1))
  7781. vars->line_speed = SPEED_1000;
  7782. else
  7783. vars->line_speed = SPEED_10000;
  7784. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7785. vars->duplex = DUPLEX_FULL;
  7786. }
  7787. /* Capture 10G link fault. Read twice to clear stale value. */
  7788. if (vars->line_speed == SPEED_10000) {
  7789. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7790. MDIO_PMA_LASI_TXSTAT, &val1);
  7791. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7792. MDIO_PMA_LASI_TXSTAT, &val1);
  7793. if (val1 & (1<<0))
  7794. vars->fault_detected = 1;
  7795. }
  7796. return link_up;
  7797. }
  7798. /******************************************************************/
  7799. /* BCM8706 PHY SECTION */
  7800. /******************************************************************/
  7801. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7802. struct link_params *params,
  7803. struct link_vars *vars)
  7804. {
  7805. u32 tx_en_mode;
  7806. u16 cnt, val, tmp1;
  7807. struct bnx2x *bp = params->bp;
  7808. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7809. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7810. /* HW reset */
  7811. bnx2x_ext_phy_hw_reset(bp, params->port);
  7812. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7813. bnx2x_wait_reset_complete(bp, phy, params);
  7814. /* Wait until fw is loaded */
  7815. for (cnt = 0; cnt < 100; cnt++) {
  7816. bnx2x_cl45_read(bp, phy,
  7817. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7818. if (val)
  7819. break;
  7820. usleep_range(10000, 20000);
  7821. }
  7822. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7823. if ((params->feature_config_flags &
  7824. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7825. u8 i;
  7826. u16 reg;
  7827. for (i = 0; i < 4; i++) {
  7828. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7829. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7830. MDIO_XS_8706_REG_BANK_RX0);
  7831. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7832. /* Clear first 3 bits of the control */
  7833. val &= ~0x7;
  7834. /* Set control bits according to configuration */
  7835. val |= (phy->rx_preemphasis[i] & 0x7);
  7836. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7837. " reg 0x%x <-- val 0x%x\n", reg, val);
  7838. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7839. }
  7840. }
  7841. /* Force speed */
  7842. if (phy->req_line_speed == SPEED_10000) {
  7843. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7844. bnx2x_cl45_write(bp, phy,
  7845. MDIO_PMA_DEVAD,
  7846. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7847. bnx2x_cl45_write(bp, phy,
  7848. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7849. 0);
  7850. /* Arm LASI for link and Tx fault. */
  7851. bnx2x_cl45_write(bp, phy,
  7852. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7853. } else {
  7854. /* Force 1Gbps using autoneg with 1G advertisement */
  7855. /* Allow CL37 through CL73 */
  7856. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7857. bnx2x_cl45_write(bp, phy,
  7858. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7859. /* Enable Full-Duplex advertisement on CL37 */
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7862. /* Enable CL37 AN */
  7863. bnx2x_cl45_write(bp, phy,
  7864. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7865. /* 1G support */
  7866. bnx2x_cl45_write(bp, phy,
  7867. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7868. /* Enable clause 73 AN */
  7869. bnx2x_cl45_write(bp, phy,
  7870. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7871. bnx2x_cl45_write(bp, phy,
  7872. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7873. 0x0400);
  7874. bnx2x_cl45_write(bp, phy,
  7875. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7876. 0x0004);
  7877. }
  7878. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7879. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7880. * power mode, if TX Laser is disabled
  7881. */
  7882. tx_en_mode = REG_RD(bp, params->shmem_base +
  7883. offsetof(struct shmem_region,
  7884. dev_info.port_hw_config[params->port].sfp_ctrl))
  7885. & PORT_HW_CFG_TX_LASER_MASK;
  7886. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7887. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7888. bnx2x_cl45_read(bp, phy,
  7889. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7890. tmp1 |= 0x1;
  7891. bnx2x_cl45_write(bp, phy,
  7892. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7893. }
  7894. return 0;
  7895. }
  7896. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7897. struct link_params *params,
  7898. struct link_vars *vars)
  7899. {
  7900. return bnx2x_8706_8726_read_status(phy, params, vars);
  7901. }
  7902. /******************************************************************/
  7903. /* BCM8726 PHY SECTION */
  7904. /******************************************************************/
  7905. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7906. struct link_params *params)
  7907. {
  7908. struct bnx2x *bp = params->bp;
  7909. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7910. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7911. }
  7912. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7913. struct link_params *params)
  7914. {
  7915. struct bnx2x *bp = params->bp;
  7916. /* Need to wait 100ms after reset */
  7917. msleep(100);
  7918. /* Micro controller re-boot */
  7919. bnx2x_cl45_write(bp, phy,
  7920. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7921. /* Set soft reset */
  7922. bnx2x_cl45_write(bp, phy,
  7923. MDIO_PMA_DEVAD,
  7924. MDIO_PMA_REG_GEN_CTRL,
  7925. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD,
  7928. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7929. bnx2x_cl45_write(bp, phy,
  7930. MDIO_PMA_DEVAD,
  7931. MDIO_PMA_REG_GEN_CTRL,
  7932. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7933. /* Wait for 150ms for microcode load */
  7934. msleep(150);
  7935. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7936. bnx2x_cl45_write(bp, phy,
  7937. MDIO_PMA_DEVAD,
  7938. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7939. msleep(200);
  7940. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7941. }
  7942. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7943. struct link_params *params,
  7944. struct link_vars *vars)
  7945. {
  7946. struct bnx2x *bp = params->bp;
  7947. u16 val1;
  7948. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7949. if (link_up) {
  7950. bnx2x_cl45_read(bp, phy,
  7951. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7952. &val1);
  7953. if (val1 & (1<<15)) {
  7954. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7955. link_up = 0;
  7956. vars->line_speed = 0;
  7957. }
  7958. }
  7959. return link_up;
  7960. }
  7961. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7962. struct link_params *params,
  7963. struct link_vars *vars)
  7964. {
  7965. struct bnx2x *bp = params->bp;
  7966. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7967. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7968. bnx2x_wait_reset_complete(bp, phy, params);
  7969. bnx2x_8726_external_rom_boot(phy, params);
  7970. /* Need to call module detected on initialization since the module
  7971. * detection triggered by actual module insertion might occur before
  7972. * driver is loaded, and when driver is loaded, it reset all
  7973. * registers, including the transmitter
  7974. */
  7975. bnx2x_sfp_module_detection(phy, params);
  7976. if (phy->req_line_speed == SPEED_1000) {
  7977. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7978. bnx2x_cl45_write(bp, phy,
  7979. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7980. bnx2x_cl45_write(bp, phy,
  7981. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7982. bnx2x_cl45_write(bp, phy,
  7983. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7984. bnx2x_cl45_write(bp, phy,
  7985. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7986. 0x400);
  7987. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7988. (phy->speed_cap_mask &
  7989. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7990. ((phy->speed_cap_mask &
  7991. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7992. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7993. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7994. /* Set Flow control */
  7995. bnx2x_ext_phy_set_pause(params, phy, vars);
  7996. bnx2x_cl45_write(bp, phy,
  7997. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8000. bnx2x_cl45_write(bp, phy,
  8001. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8004. bnx2x_cl45_write(bp, phy,
  8005. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8006. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8007. * change
  8008. */
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8011. bnx2x_cl45_write(bp, phy,
  8012. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8013. 0x400);
  8014. } else { /* Default 10G. Set only LASI control */
  8015. bnx2x_cl45_write(bp, phy,
  8016. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8017. }
  8018. /* Set TX PreEmphasis if needed */
  8019. if ((params->feature_config_flags &
  8020. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8021. DP(NETIF_MSG_LINK,
  8022. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8023. phy->tx_preemphasis[0],
  8024. phy->tx_preemphasis[1]);
  8025. bnx2x_cl45_write(bp, phy,
  8026. MDIO_PMA_DEVAD,
  8027. MDIO_PMA_REG_8726_TX_CTRL1,
  8028. phy->tx_preemphasis[0]);
  8029. bnx2x_cl45_write(bp, phy,
  8030. MDIO_PMA_DEVAD,
  8031. MDIO_PMA_REG_8726_TX_CTRL2,
  8032. phy->tx_preemphasis[1]);
  8033. }
  8034. return 0;
  8035. }
  8036. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8037. struct link_params *params)
  8038. {
  8039. struct bnx2x *bp = params->bp;
  8040. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8041. /* Set serial boot control for external load */
  8042. bnx2x_cl45_write(bp, phy,
  8043. MDIO_PMA_DEVAD,
  8044. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8045. }
  8046. /******************************************************************/
  8047. /* BCM8727 PHY SECTION */
  8048. /******************************************************************/
  8049. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8050. struct link_params *params, u8 mode)
  8051. {
  8052. struct bnx2x *bp = params->bp;
  8053. u16 led_mode_bitmask = 0;
  8054. u16 gpio_pins_bitmask = 0;
  8055. u16 val;
  8056. /* Only NOC flavor requires to set the LED specifically */
  8057. if (!(phy->flags & FLAGS_NOC))
  8058. return;
  8059. switch (mode) {
  8060. case LED_MODE_FRONT_PANEL_OFF:
  8061. case LED_MODE_OFF:
  8062. led_mode_bitmask = 0;
  8063. gpio_pins_bitmask = 0x03;
  8064. break;
  8065. case LED_MODE_ON:
  8066. led_mode_bitmask = 0;
  8067. gpio_pins_bitmask = 0x02;
  8068. break;
  8069. case LED_MODE_OPER:
  8070. led_mode_bitmask = 0x60;
  8071. gpio_pins_bitmask = 0x11;
  8072. break;
  8073. }
  8074. bnx2x_cl45_read(bp, phy,
  8075. MDIO_PMA_DEVAD,
  8076. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8077. &val);
  8078. val &= 0xff8f;
  8079. val |= led_mode_bitmask;
  8080. bnx2x_cl45_write(bp, phy,
  8081. MDIO_PMA_DEVAD,
  8082. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8083. val);
  8084. bnx2x_cl45_read(bp, phy,
  8085. MDIO_PMA_DEVAD,
  8086. MDIO_PMA_REG_8727_GPIO_CTRL,
  8087. &val);
  8088. val &= 0xffe0;
  8089. val |= gpio_pins_bitmask;
  8090. bnx2x_cl45_write(bp, phy,
  8091. MDIO_PMA_DEVAD,
  8092. MDIO_PMA_REG_8727_GPIO_CTRL,
  8093. val);
  8094. }
  8095. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8096. struct link_params *params) {
  8097. u32 swap_val, swap_override;
  8098. u8 port;
  8099. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8100. * to cancel the swap done in set_gpio()
  8101. */
  8102. struct bnx2x *bp = params->bp;
  8103. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8104. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8105. port = (swap_val && swap_override) ^ 1;
  8106. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8107. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8108. }
  8109. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8110. struct link_params *params)
  8111. {
  8112. struct bnx2x *bp = params->bp;
  8113. u16 tmp1, val;
  8114. /* Set option 1G speed */
  8115. if ((phy->req_line_speed == SPEED_1000) ||
  8116. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8117. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8118. bnx2x_cl45_write(bp, phy,
  8119. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8120. bnx2x_cl45_write(bp, phy,
  8121. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8122. bnx2x_cl45_read(bp, phy,
  8123. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8124. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8125. /* Power down the XAUI until link is up in case of dual-media
  8126. * and 1G
  8127. */
  8128. if (DUAL_MEDIA(params)) {
  8129. bnx2x_cl45_read(bp, phy,
  8130. MDIO_PMA_DEVAD,
  8131. MDIO_PMA_REG_8727_PCS_GP, &val);
  8132. val |= (3<<10);
  8133. bnx2x_cl45_write(bp, phy,
  8134. MDIO_PMA_DEVAD,
  8135. MDIO_PMA_REG_8727_PCS_GP, val);
  8136. }
  8137. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8138. ((phy->speed_cap_mask &
  8139. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8140. ((phy->speed_cap_mask &
  8141. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8142. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8143. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8144. bnx2x_cl45_write(bp, phy,
  8145. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8146. bnx2x_cl45_write(bp, phy,
  8147. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8148. } else {
  8149. /* Since the 8727 has only single reset pin, need to set the 10G
  8150. * registers although it is default
  8151. */
  8152. bnx2x_cl45_write(bp, phy,
  8153. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8154. 0x0020);
  8155. bnx2x_cl45_write(bp, phy,
  8156. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8157. bnx2x_cl45_write(bp, phy,
  8158. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8159. bnx2x_cl45_write(bp, phy,
  8160. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8161. 0x0008);
  8162. }
  8163. }
  8164. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8165. struct link_params *params,
  8166. struct link_vars *vars)
  8167. {
  8168. u32 tx_en_mode;
  8169. u16 tmp1, mod_abs, tmp2;
  8170. struct bnx2x *bp = params->bp;
  8171. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8172. bnx2x_wait_reset_complete(bp, phy, params);
  8173. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8174. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8175. /* Initially configure MOD_ABS to interrupt when module is
  8176. * presence( bit 8)
  8177. */
  8178. bnx2x_cl45_read(bp, phy,
  8179. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8180. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8181. * When the EDC is off it locks onto a reference clock and avoids
  8182. * becoming 'lost'
  8183. */
  8184. mod_abs &= ~(1<<8);
  8185. if (!(phy->flags & FLAGS_NOC))
  8186. mod_abs &= ~(1<<9);
  8187. bnx2x_cl45_write(bp, phy,
  8188. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8189. /* Enable/Disable PHY transmitter output */
  8190. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8191. bnx2x_8727_power_module(bp, phy, 1);
  8192. bnx2x_cl45_read(bp, phy,
  8193. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8194. bnx2x_cl45_read(bp, phy,
  8195. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8196. bnx2x_8727_config_speed(phy, params);
  8197. /* Set TX PreEmphasis if needed */
  8198. if ((params->feature_config_flags &
  8199. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8200. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8201. phy->tx_preemphasis[0],
  8202. phy->tx_preemphasis[1]);
  8203. bnx2x_cl45_write(bp, phy,
  8204. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8205. phy->tx_preemphasis[0]);
  8206. bnx2x_cl45_write(bp, phy,
  8207. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8208. phy->tx_preemphasis[1]);
  8209. }
  8210. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8211. * power mode, if TX Laser is disabled
  8212. */
  8213. tx_en_mode = REG_RD(bp, params->shmem_base +
  8214. offsetof(struct shmem_region,
  8215. dev_info.port_hw_config[params->port].sfp_ctrl))
  8216. & PORT_HW_CFG_TX_LASER_MASK;
  8217. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8218. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8219. bnx2x_cl45_read(bp, phy,
  8220. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8221. tmp2 |= 0x1000;
  8222. tmp2 &= 0xFFEF;
  8223. bnx2x_cl45_write(bp, phy,
  8224. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8225. bnx2x_cl45_read(bp, phy,
  8226. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8227. &tmp2);
  8228. bnx2x_cl45_write(bp, phy,
  8229. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8230. (tmp2 & 0x7fff));
  8231. }
  8232. return 0;
  8233. }
  8234. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8235. struct link_params *params)
  8236. {
  8237. struct bnx2x *bp = params->bp;
  8238. u16 mod_abs, rx_alarm_status;
  8239. u32 val = REG_RD(bp, params->shmem_base +
  8240. offsetof(struct shmem_region, dev_info.
  8241. port_feature_config[params->port].
  8242. config));
  8243. bnx2x_cl45_read(bp, phy,
  8244. MDIO_PMA_DEVAD,
  8245. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8246. if (mod_abs & (1<<8)) {
  8247. /* Module is absent */
  8248. DP(NETIF_MSG_LINK,
  8249. "MOD_ABS indication show module is absent\n");
  8250. phy->media_type = ETH_PHY_NOT_PRESENT;
  8251. /* 1. Set mod_abs to detect next module
  8252. * presence event
  8253. * 2. Set EDC off by setting OPTXLOS signal input to low
  8254. * (bit 9).
  8255. * When the EDC is off it locks onto a reference clock and
  8256. * avoids becoming 'lost'.
  8257. */
  8258. mod_abs &= ~(1<<8);
  8259. if (!(phy->flags & FLAGS_NOC))
  8260. mod_abs &= ~(1<<9);
  8261. bnx2x_cl45_write(bp, phy,
  8262. MDIO_PMA_DEVAD,
  8263. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8264. /* Clear RX alarm since it stays up as long as
  8265. * the mod_abs wasn't changed
  8266. */
  8267. bnx2x_cl45_read(bp, phy,
  8268. MDIO_PMA_DEVAD,
  8269. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8270. } else {
  8271. /* Module is present */
  8272. DP(NETIF_MSG_LINK,
  8273. "MOD_ABS indication show module is present\n");
  8274. /* First disable transmitter, and if the module is ok, the
  8275. * module_detection will enable it
  8276. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8277. * 2. Restore the default polarity of the OPRXLOS signal and
  8278. * this signal will then correctly indicate the presence or
  8279. * absence of the Rx signal. (bit 9)
  8280. */
  8281. mod_abs |= (1<<8);
  8282. if (!(phy->flags & FLAGS_NOC))
  8283. mod_abs |= (1<<9);
  8284. bnx2x_cl45_write(bp, phy,
  8285. MDIO_PMA_DEVAD,
  8286. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8287. /* Clear RX alarm since it stays up as long as the mod_abs
  8288. * wasn't changed. This is need to be done before calling the
  8289. * module detection, otherwise it will clear* the link update
  8290. * alarm
  8291. */
  8292. bnx2x_cl45_read(bp, phy,
  8293. MDIO_PMA_DEVAD,
  8294. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8295. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8296. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8297. bnx2x_sfp_set_transmitter(params, phy, 0);
  8298. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8299. bnx2x_sfp_module_detection(phy, params);
  8300. else
  8301. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8302. /* Reconfigure link speed based on module type limitations */
  8303. bnx2x_8727_config_speed(phy, params);
  8304. }
  8305. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8306. rx_alarm_status);
  8307. /* No need to check link status in case of module plugged in/out */
  8308. }
  8309. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8310. struct link_params *params,
  8311. struct link_vars *vars)
  8312. {
  8313. struct bnx2x *bp = params->bp;
  8314. u8 link_up = 0, oc_port = params->port;
  8315. u16 link_status = 0;
  8316. u16 rx_alarm_status, lasi_ctrl, val1;
  8317. /* If PHY is not initialized, do not check link status */
  8318. bnx2x_cl45_read(bp, phy,
  8319. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8320. &lasi_ctrl);
  8321. if (!lasi_ctrl)
  8322. return 0;
  8323. /* Check the LASI on Rx */
  8324. bnx2x_cl45_read(bp, phy,
  8325. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8326. &rx_alarm_status);
  8327. vars->line_speed = 0;
  8328. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8329. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8330. MDIO_PMA_LASI_TXCTRL);
  8331. bnx2x_cl45_read(bp, phy,
  8332. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8333. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8334. /* Clear MSG-OUT */
  8335. bnx2x_cl45_read(bp, phy,
  8336. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8337. /* If a module is present and there is need to check
  8338. * for over current
  8339. */
  8340. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8341. /* Check over-current using 8727 GPIO0 input*/
  8342. bnx2x_cl45_read(bp, phy,
  8343. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8344. &val1);
  8345. if ((val1 & (1<<8)) == 0) {
  8346. if (!CHIP_IS_E1x(bp))
  8347. oc_port = BP_PATH(bp) + (params->port << 1);
  8348. DP(NETIF_MSG_LINK,
  8349. "8727 Power fault has been detected on port %d\n",
  8350. oc_port);
  8351. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8352. "been detected and the power to "
  8353. "that SFP+ module has been removed "
  8354. "to prevent failure of the card. "
  8355. "Please remove the SFP+ module and "
  8356. "restart the system to clear this "
  8357. "error.\n",
  8358. oc_port);
  8359. /* Disable all RX_ALARMs except for mod_abs */
  8360. bnx2x_cl45_write(bp, phy,
  8361. MDIO_PMA_DEVAD,
  8362. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8363. bnx2x_cl45_read(bp, phy,
  8364. MDIO_PMA_DEVAD,
  8365. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8366. /* Wait for module_absent_event */
  8367. val1 |= (1<<8);
  8368. bnx2x_cl45_write(bp, phy,
  8369. MDIO_PMA_DEVAD,
  8370. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8371. /* Clear RX alarm */
  8372. bnx2x_cl45_read(bp, phy,
  8373. MDIO_PMA_DEVAD,
  8374. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8375. bnx2x_8727_power_module(params->bp, phy, 0);
  8376. return 0;
  8377. }
  8378. } /* Over current check */
  8379. /* When module absent bit is set, check module */
  8380. if (rx_alarm_status & (1<<5)) {
  8381. bnx2x_8727_handle_mod_abs(phy, params);
  8382. /* Enable all mod_abs and link detection bits */
  8383. bnx2x_cl45_write(bp, phy,
  8384. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8385. ((1<<5) | (1<<2)));
  8386. }
  8387. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8388. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8389. bnx2x_sfp_set_transmitter(params, phy, 1);
  8390. } else {
  8391. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8392. return 0;
  8393. }
  8394. bnx2x_cl45_read(bp, phy,
  8395. MDIO_PMA_DEVAD,
  8396. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8397. /* Bits 0..2 --> speed detected,
  8398. * Bits 13..15--> link is down
  8399. */
  8400. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8401. link_up = 1;
  8402. vars->line_speed = SPEED_10000;
  8403. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8404. params->port);
  8405. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8406. link_up = 1;
  8407. vars->line_speed = SPEED_1000;
  8408. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8409. params->port);
  8410. } else {
  8411. link_up = 0;
  8412. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8413. params->port);
  8414. }
  8415. /* Capture 10G link fault. */
  8416. if (vars->line_speed == SPEED_10000) {
  8417. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8418. MDIO_PMA_LASI_TXSTAT, &val1);
  8419. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8420. MDIO_PMA_LASI_TXSTAT, &val1);
  8421. if (val1 & (1<<0)) {
  8422. vars->fault_detected = 1;
  8423. }
  8424. }
  8425. if (link_up) {
  8426. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8427. vars->duplex = DUPLEX_FULL;
  8428. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8429. }
  8430. if ((DUAL_MEDIA(params)) &&
  8431. (phy->req_line_speed == SPEED_1000)) {
  8432. bnx2x_cl45_read(bp, phy,
  8433. MDIO_PMA_DEVAD,
  8434. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8435. /* In case of dual-media board and 1G, power up the XAUI side,
  8436. * otherwise power it down. For 10G it is done automatically
  8437. */
  8438. if (link_up)
  8439. val1 &= ~(3<<10);
  8440. else
  8441. val1 |= (3<<10);
  8442. bnx2x_cl45_write(bp, phy,
  8443. MDIO_PMA_DEVAD,
  8444. MDIO_PMA_REG_8727_PCS_GP, val1);
  8445. }
  8446. return link_up;
  8447. }
  8448. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8449. struct link_params *params)
  8450. {
  8451. struct bnx2x *bp = params->bp;
  8452. /* Enable/Disable PHY transmitter output */
  8453. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8454. /* Disable Transmitter */
  8455. bnx2x_sfp_set_transmitter(params, phy, 0);
  8456. /* Clear LASI */
  8457. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8458. }
  8459. /******************************************************************/
  8460. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8461. /******************************************************************/
  8462. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8463. struct bnx2x *bp,
  8464. u8 port)
  8465. {
  8466. u16 val, fw_ver2, cnt, i;
  8467. static struct bnx2x_reg_set reg_set[] = {
  8468. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8469. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8470. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8471. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8472. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8473. };
  8474. u16 fw_ver1;
  8475. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8476. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8477. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8478. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8479. phy->ver_addr);
  8480. } else {
  8481. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8482. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8483. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8484. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8485. reg_set[i].reg, reg_set[i].val);
  8486. for (cnt = 0; cnt < 100; cnt++) {
  8487. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8488. if (val & 1)
  8489. break;
  8490. udelay(5);
  8491. }
  8492. if (cnt == 100) {
  8493. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8494. "phy fw version(1)\n");
  8495. bnx2x_save_spirom_version(bp, port, 0,
  8496. phy->ver_addr);
  8497. return;
  8498. }
  8499. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8500. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8501. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8502. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8503. for (cnt = 0; cnt < 100; cnt++) {
  8504. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8505. if (val & 1)
  8506. break;
  8507. udelay(5);
  8508. }
  8509. if (cnt == 100) {
  8510. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8511. "version(2)\n");
  8512. bnx2x_save_spirom_version(bp, port, 0,
  8513. phy->ver_addr);
  8514. return;
  8515. }
  8516. /* lower 16 bits of the register SPI_FW_STATUS */
  8517. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8518. /* upper 16 bits of register SPI_FW_STATUS */
  8519. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8520. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8521. phy->ver_addr);
  8522. }
  8523. }
  8524. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8525. struct bnx2x_phy *phy)
  8526. {
  8527. u16 val, offset, i;
  8528. static struct bnx2x_reg_set reg_set[] = {
  8529. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8530. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8531. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8532. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8533. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8534. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8535. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8536. };
  8537. /* PHYC_CTL_LED_CTL */
  8538. bnx2x_cl45_read(bp, phy,
  8539. MDIO_PMA_DEVAD,
  8540. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8541. val &= 0xFE00;
  8542. val |= 0x0092;
  8543. bnx2x_cl45_write(bp, phy,
  8544. MDIO_PMA_DEVAD,
  8545. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8546. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8547. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8548. reg_set[i].val);
  8549. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8550. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8551. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8552. else
  8553. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8554. /* stretch_en for LED3*/
  8555. bnx2x_cl45_read_or_write(bp, phy,
  8556. MDIO_PMA_DEVAD, offset,
  8557. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8558. }
  8559. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8560. struct link_params *params,
  8561. u32 action)
  8562. {
  8563. struct bnx2x *bp = params->bp;
  8564. switch (action) {
  8565. case PHY_INIT:
  8566. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8567. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8568. /* Save spirom version */
  8569. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8570. }
  8571. /* This phy uses the NIG latch mechanism since link indication
  8572. * arrives through its LED4 and not via its LASI signal, so we
  8573. * get steady signal instead of clear on read
  8574. */
  8575. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8576. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8577. bnx2x_848xx_set_led(bp, phy);
  8578. break;
  8579. }
  8580. }
  8581. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8582. struct link_params *params,
  8583. struct link_vars *vars)
  8584. {
  8585. struct bnx2x *bp = params->bp;
  8586. u16 autoneg_val, an_1000_val, an_10_100_val;
  8587. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8588. bnx2x_cl45_write(bp, phy,
  8589. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8590. /* set 1000 speed advertisement */
  8591. bnx2x_cl45_read(bp, phy,
  8592. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8593. &an_1000_val);
  8594. bnx2x_ext_phy_set_pause(params, phy, vars);
  8595. bnx2x_cl45_read(bp, phy,
  8596. MDIO_AN_DEVAD,
  8597. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8598. &an_10_100_val);
  8599. bnx2x_cl45_read(bp, phy,
  8600. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8601. &autoneg_val);
  8602. /* Disable forced speed */
  8603. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8604. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8605. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8606. (phy->speed_cap_mask &
  8607. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8608. (phy->req_line_speed == SPEED_1000)) {
  8609. an_1000_val |= (1<<8);
  8610. autoneg_val |= (1<<9 | 1<<12);
  8611. if (phy->req_duplex == DUPLEX_FULL)
  8612. an_1000_val |= (1<<9);
  8613. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8614. } else
  8615. an_1000_val &= ~((1<<8) | (1<<9));
  8616. bnx2x_cl45_write(bp, phy,
  8617. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8618. an_1000_val);
  8619. /* Set 10/100 speed advertisement */
  8620. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8621. if (phy->speed_cap_mask &
  8622. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8623. /* Enable autoneg and restart autoneg for legacy speeds
  8624. */
  8625. autoneg_val |= (1<<9 | 1<<12);
  8626. an_10_100_val |= (1<<8);
  8627. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8628. }
  8629. if (phy->speed_cap_mask &
  8630. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8631. /* Enable autoneg and restart autoneg for legacy speeds
  8632. */
  8633. autoneg_val |= (1<<9 | 1<<12);
  8634. an_10_100_val |= (1<<7);
  8635. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8636. }
  8637. if ((phy->speed_cap_mask &
  8638. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8639. (phy->supported & SUPPORTED_10baseT_Full)) {
  8640. an_10_100_val |= (1<<6);
  8641. autoneg_val |= (1<<9 | 1<<12);
  8642. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8643. }
  8644. if ((phy->speed_cap_mask &
  8645. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8646. (phy->supported & SUPPORTED_10baseT_Half)) {
  8647. an_10_100_val |= (1<<5);
  8648. autoneg_val |= (1<<9 | 1<<12);
  8649. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8650. }
  8651. }
  8652. /* Only 10/100 are allowed to work in FORCE mode */
  8653. if ((phy->req_line_speed == SPEED_100) &&
  8654. (phy->supported &
  8655. (SUPPORTED_100baseT_Half |
  8656. SUPPORTED_100baseT_Full))) {
  8657. autoneg_val |= (1<<13);
  8658. /* Enabled AUTO-MDIX when autoneg is disabled */
  8659. bnx2x_cl45_write(bp, phy,
  8660. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8661. (1<<15 | 1<<9 | 7<<0));
  8662. /* The PHY needs this set even for forced link. */
  8663. an_10_100_val |= (1<<8) | (1<<7);
  8664. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8665. }
  8666. if ((phy->req_line_speed == SPEED_10) &&
  8667. (phy->supported &
  8668. (SUPPORTED_10baseT_Half |
  8669. SUPPORTED_10baseT_Full))) {
  8670. /* Enabled AUTO-MDIX when autoneg is disabled */
  8671. bnx2x_cl45_write(bp, phy,
  8672. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8673. (1<<15 | 1<<9 | 7<<0));
  8674. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8675. }
  8676. bnx2x_cl45_write(bp, phy,
  8677. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8678. an_10_100_val);
  8679. if (phy->req_duplex == DUPLEX_FULL)
  8680. autoneg_val |= (1<<8);
  8681. /* Always write this if this is not 84833/4.
  8682. * For 84833/4, write it only when it's a forced speed.
  8683. */
  8684. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8685. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8686. ((autoneg_val & (1<<12)) == 0))
  8687. bnx2x_cl45_write(bp, phy,
  8688. MDIO_AN_DEVAD,
  8689. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8690. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8691. (phy->speed_cap_mask &
  8692. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8693. (phy->req_line_speed == SPEED_10000)) {
  8694. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8695. /* Restart autoneg for 10G*/
  8696. bnx2x_cl45_read_or_write(
  8697. bp, phy,
  8698. MDIO_AN_DEVAD,
  8699. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8700. 0x1000);
  8701. bnx2x_cl45_write(bp, phy,
  8702. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8703. 0x3200);
  8704. } else
  8705. bnx2x_cl45_write(bp, phy,
  8706. MDIO_AN_DEVAD,
  8707. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8708. 1);
  8709. return 0;
  8710. }
  8711. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8712. struct link_params *params,
  8713. struct link_vars *vars)
  8714. {
  8715. struct bnx2x *bp = params->bp;
  8716. /* Restore normal power mode*/
  8717. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8718. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8719. /* HW reset */
  8720. bnx2x_ext_phy_hw_reset(bp, params->port);
  8721. bnx2x_wait_reset_complete(bp, phy, params);
  8722. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8723. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8724. }
  8725. #define PHY84833_CMDHDLR_WAIT 300
  8726. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8727. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8728. struct link_params *params, u16 fw_cmd,
  8729. u16 cmd_args[], int argc)
  8730. {
  8731. int idx;
  8732. u16 val;
  8733. struct bnx2x *bp = params->bp;
  8734. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8735. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8736. MDIO_84833_CMD_HDLR_STATUS,
  8737. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8738. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8739. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8740. MDIO_84833_CMD_HDLR_STATUS, &val);
  8741. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8742. break;
  8743. usleep_range(1000, 2000);
  8744. }
  8745. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8746. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8747. return -EINVAL;
  8748. }
  8749. /* Prepare argument(s) and issue command */
  8750. for (idx = 0; idx < argc; idx++) {
  8751. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8752. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8753. cmd_args[idx]);
  8754. }
  8755. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8756. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8757. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8758. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8759. MDIO_84833_CMD_HDLR_STATUS, &val);
  8760. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8761. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8762. break;
  8763. usleep_range(1000, 2000);
  8764. }
  8765. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8766. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8767. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8768. return -EINVAL;
  8769. }
  8770. /* Gather returning data */
  8771. for (idx = 0; idx < argc; idx++) {
  8772. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8773. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8774. &cmd_args[idx]);
  8775. }
  8776. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8777. MDIO_84833_CMD_HDLR_STATUS,
  8778. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8779. return 0;
  8780. }
  8781. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8782. struct link_params *params,
  8783. struct link_vars *vars)
  8784. {
  8785. u32 pair_swap;
  8786. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8787. int status;
  8788. struct bnx2x *bp = params->bp;
  8789. /* Check for configuration. */
  8790. pair_swap = REG_RD(bp, params->shmem_base +
  8791. offsetof(struct shmem_region,
  8792. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8793. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8794. if (pair_swap == 0)
  8795. return 0;
  8796. /* Only the second argument is used for this command */
  8797. data[1] = (u16)pair_swap;
  8798. status = bnx2x_84833_cmd_hdlr(phy, params,
  8799. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8800. if (status == 0)
  8801. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8802. return status;
  8803. }
  8804. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8805. u32 shmem_base_path[],
  8806. u32 chip_id)
  8807. {
  8808. u32 reset_pin[2];
  8809. u32 idx;
  8810. u8 reset_gpios;
  8811. if (CHIP_IS_E3(bp)) {
  8812. /* Assume that these will be GPIOs, not EPIOs. */
  8813. for (idx = 0; idx < 2; idx++) {
  8814. /* Map config param to register bit. */
  8815. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8816. offsetof(struct shmem_region,
  8817. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8818. reset_pin[idx] = (reset_pin[idx] &
  8819. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8820. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8821. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8822. reset_pin[idx] = (1 << reset_pin[idx]);
  8823. }
  8824. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8825. } else {
  8826. /* E2, look from diff place of shmem. */
  8827. for (idx = 0; idx < 2; idx++) {
  8828. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8829. offsetof(struct shmem_region,
  8830. dev_info.port_hw_config[0].default_cfg));
  8831. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8832. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8833. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8834. reset_pin[idx] = (1 << reset_pin[idx]);
  8835. }
  8836. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8837. }
  8838. return reset_gpios;
  8839. }
  8840. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8841. struct link_params *params)
  8842. {
  8843. struct bnx2x *bp = params->bp;
  8844. u8 reset_gpios;
  8845. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8846. offsetof(struct shmem2_region,
  8847. other_shmem_base_addr));
  8848. u32 shmem_base_path[2];
  8849. /* Work around for 84833 LED failure inside RESET status */
  8850. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8851. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8852. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8853. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8854. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8855. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8856. shmem_base_path[0] = params->shmem_base;
  8857. shmem_base_path[1] = other_shmem_base_addr;
  8858. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8859. params->chip_id);
  8860. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8861. udelay(10);
  8862. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8863. reset_gpios);
  8864. return 0;
  8865. }
  8866. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8867. struct link_params *params,
  8868. struct link_vars *vars)
  8869. {
  8870. int rc;
  8871. struct bnx2x *bp = params->bp;
  8872. u16 cmd_args = 0;
  8873. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8874. /* Prevent Phy from working in EEE and advertising it */
  8875. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8876. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8877. if (rc) {
  8878. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8879. return rc;
  8880. }
  8881. return bnx2x_eee_disable(phy, params, vars);
  8882. }
  8883. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8884. struct link_params *params,
  8885. struct link_vars *vars)
  8886. {
  8887. int rc;
  8888. struct bnx2x *bp = params->bp;
  8889. u16 cmd_args = 1;
  8890. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8891. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8892. if (rc) {
  8893. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8894. return rc;
  8895. }
  8896. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8897. }
  8898. #define PHY84833_CONSTANT_LATENCY 1193
  8899. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8900. struct link_params *params,
  8901. struct link_vars *vars)
  8902. {
  8903. struct bnx2x *bp = params->bp;
  8904. u8 port, initialize = 1;
  8905. u16 val;
  8906. u32 actual_phy_selection;
  8907. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8908. int rc = 0;
  8909. usleep_range(1000, 2000);
  8910. if (!(CHIP_IS_E1x(bp)))
  8911. port = BP_PATH(bp);
  8912. else
  8913. port = params->port;
  8914. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8915. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8916. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8917. port);
  8918. } else {
  8919. /* MDIO reset */
  8920. bnx2x_cl45_write(bp, phy,
  8921. MDIO_PMA_DEVAD,
  8922. MDIO_PMA_REG_CTRL, 0x8000);
  8923. }
  8924. bnx2x_wait_reset_complete(bp, phy, params);
  8925. /* Wait for GPHY to come out of reset */
  8926. msleep(50);
  8927. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8928. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8929. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8930. * behavior.
  8931. */
  8932. u16 temp;
  8933. temp = vars->line_speed;
  8934. vars->line_speed = SPEED_10000;
  8935. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8936. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8937. vars->line_speed = temp;
  8938. }
  8939. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8940. MDIO_CTL_REG_84823_MEDIA, &val);
  8941. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8942. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8943. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8944. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8945. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8946. if (CHIP_IS_E3(bp)) {
  8947. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8948. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8949. } else {
  8950. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8951. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8952. }
  8953. actual_phy_selection = bnx2x_phy_selection(params);
  8954. switch (actual_phy_selection) {
  8955. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8956. /* Do nothing. Essentially this is like the priority copper */
  8957. break;
  8958. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8959. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8960. break;
  8961. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8962. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8963. break;
  8964. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8965. /* Do nothing here. The first PHY won't be initialized at all */
  8966. break;
  8967. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8968. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8969. initialize = 0;
  8970. break;
  8971. }
  8972. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8973. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8974. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8975. MDIO_CTL_REG_84823_MEDIA, val);
  8976. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8977. params->multi_phy_config, val);
  8978. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8979. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8980. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8981. /* Keep AutogrEEEn disabled. */
  8982. cmd_args[0] = 0x0;
  8983. cmd_args[1] = 0x0;
  8984. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8985. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8986. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8987. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8988. PHY84833_CMDHDLR_MAX_ARGS);
  8989. if (rc)
  8990. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8991. }
  8992. if (initialize)
  8993. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8994. else
  8995. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8996. /* 84833 PHY has a better feature and doesn't need to support this. */
  8997. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8998. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8999. offsetof(struct shmem_region,
  9000. dev_info.port_hw_config[params->port].default_cfg)) &
  9001. PORT_HW_CFG_ENABLE_CMS_MASK;
  9002. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9003. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9004. if (cms_enable)
  9005. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9006. else
  9007. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9008. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9009. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9010. }
  9011. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9012. MDIO_84833_TOP_CFG_FW_REV, &val);
  9013. /* Configure EEE support */
  9014. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9015. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9016. bnx2x_eee_has_cap(params)) {
  9017. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9018. if (rc) {
  9019. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9020. bnx2x_8483x_disable_eee(phy, params, vars);
  9021. return rc;
  9022. }
  9023. if ((phy->req_duplex == DUPLEX_FULL) &&
  9024. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9025. (bnx2x_eee_calc_timer(params) ||
  9026. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9027. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9028. else
  9029. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9030. if (rc) {
  9031. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9032. return rc;
  9033. }
  9034. } else {
  9035. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9036. }
  9037. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9038. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9039. /* Bring PHY out of super isolate mode as the final step. */
  9040. bnx2x_cl45_read_and_write(bp, phy,
  9041. MDIO_CTL_DEVAD,
  9042. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9043. (u16)~MDIO_84833_SUPER_ISOLATE);
  9044. }
  9045. return rc;
  9046. }
  9047. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9048. struct link_params *params,
  9049. struct link_vars *vars)
  9050. {
  9051. struct bnx2x *bp = params->bp;
  9052. u16 val, val1, val2;
  9053. u8 link_up = 0;
  9054. /* Check 10G-BaseT link status */
  9055. /* Check PMD signal ok */
  9056. bnx2x_cl45_read(bp, phy,
  9057. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9058. bnx2x_cl45_read(bp, phy,
  9059. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9060. &val2);
  9061. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9062. /* Check link 10G */
  9063. if (val2 & (1<<11)) {
  9064. vars->line_speed = SPEED_10000;
  9065. vars->duplex = DUPLEX_FULL;
  9066. link_up = 1;
  9067. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9068. } else { /* Check Legacy speed link */
  9069. u16 legacy_status, legacy_speed;
  9070. /* Enable expansion register 0x42 (Operation mode status) */
  9071. bnx2x_cl45_write(bp, phy,
  9072. MDIO_AN_DEVAD,
  9073. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9074. /* Get legacy speed operation status */
  9075. bnx2x_cl45_read(bp, phy,
  9076. MDIO_AN_DEVAD,
  9077. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9078. &legacy_status);
  9079. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9080. legacy_status);
  9081. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9082. legacy_speed = (legacy_status & (3<<9));
  9083. if (legacy_speed == (0<<9))
  9084. vars->line_speed = SPEED_10;
  9085. else if (legacy_speed == (1<<9))
  9086. vars->line_speed = SPEED_100;
  9087. else if (legacy_speed == (2<<9))
  9088. vars->line_speed = SPEED_1000;
  9089. else { /* Should not happen: Treat as link down */
  9090. vars->line_speed = 0;
  9091. link_up = 0;
  9092. }
  9093. if (link_up) {
  9094. if (legacy_status & (1<<8))
  9095. vars->duplex = DUPLEX_FULL;
  9096. else
  9097. vars->duplex = DUPLEX_HALF;
  9098. DP(NETIF_MSG_LINK,
  9099. "Link is up in %dMbps, is_duplex_full= %d\n",
  9100. vars->line_speed,
  9101. (vars->duplex == DUPLEX_FULL));
  9102. /* Check legacy speed AN resolution */
  9103. bnx2x_cl45_read(bp, phy,
  9104. MDIO_AN_DEVAD,
  9105. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9106. &val);
  9107. if (val & (1<<5))
  9108. vars->link_status |=
  9109. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9110. bnx2x_cl45_read(bp, phy,
  9111. MDIO_AN_DEVAD,
  9112. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9113. &val);
  9114. if ((val & (1<<0)) == 0)
  9115. vars->link_status |=
  9116. LINK_STATUS_PARALLEL_DETECTION_USED;
  9117. }
  9118. }
  9119. if (link_up) {
  9120. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9121. vars->line_speed);
  9122. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9123. /* Read LP advertised speeds */
  9124. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9125. MDIO_AN_REG_CL37_FC_LP, &val);
  9126. if (val & (1<<5))
  9127. vars->link_status |=
  9128. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9129. if (val & (1<<6))
  9130. vars->link_status |=
  9131. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9132. if (val & (1<<7))
  9133. vars->link_status |=
  9134. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9135. if (val & (1<<8))
  9136. vars->link_status |=
  9137. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9138. if (val & (1<<9))
  9139. vars->link_status |=
  9140. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9141. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9142. MDIO_AN_REG_1000T_STATUS, &val);
  9143. if (val & (1<<10))
  9144. vars->link_status |=
  9145. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9146. if (val & (1<<11))
  9147. vars->link_status |=
  9148. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9149. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9150. MDIO_AN_REG_MASTER_STATUS, &val);
  9151. if (val & (1<<11))
  9152. vars->link_status |=
  9153. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9154. /* Determine if EEE was negotiated */
  9155. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9156. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9157. bnx2x_eee_an_resolve(phy, params, vars);
  9158. }
  9159. return link_up;
  9160. }
  9161. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9162. {
  9163. int status = 0;
  9164. u32 spirom_ver;
  9165. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9166. status = bnx2x_format_ver(spirom_ver, str, len);
  9167. return status;
  9168. }
  9169. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9170. struct link_params *params)
  9171. {
  9172. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9173. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9174. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9175. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9176. }
  9177. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9178. struct link_params *params)
  9179. {
  9180. bnx2x_cl45_write(params->bp, phy,
  9181. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9182. bnx2x_cl45_write(params->bp, phy,
  9183. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9184. }
  9185. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9186. struct link_params *params)
  9187. {
  9188. struct bnx2x *bp = params->bp;
  9189. u8 port;
  9190. u16 val16;
  9191. if (!(CHIP_IS_E1x(bp)))
  9192. port = BP_PATH(bp);
  9193. else
  9194. port = params->port;
  9195. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9196. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9197. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9198. port);
  9199. } else {
  9200. bnx2x_cl45_read(bp, phy,
  9201. MDIO_CTL_DEVAD,
  9202. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9203. val16 |= MDIO_84833_SUPER_ISOLATE;
  9204. bnx2x_cl45_write(bp, phy,
  9205. MDIO_CTL_DEVAD,
  9206. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9207. }
  9208. }
  9209. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9210. struct link_params *params, u8 mode)
  9211. {
  9212. struct bnx2x *bp = params->bp;
  9213. u16 val;
  9214. u8 port;
  9215. if (!(CHIP_IS_E1x(bp)))
  9216. port = BP_PATH(bp);
  9217. else
  9218. port = params->port;
  9219. switch (mode) {
  9220. case LED_MODE_OFF:
  9221. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9222. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9223. SHARED_HW_CFG_LED_EXTPHY1) {
  9224. /* Set LED masks */
  9225. bnx2x_cl45_write(bp, phy,
  9226. MDIO_PMA_DEVAD,
  9227. MDIO_PMA_REG_8481_LED1_MASK,
  9228. 0x0);
  9229. bnx2x_cl45_write(bp, phy,
  9230. MDIO_PMA_DEVAD,
  9231. MDIO_PMA_REG_8481_LED2_MASK,
  9232. 0x0);
  9233. bnx2x_cl45_write(bp, phy,
  9234. MDIO_PMA_DEVAD,
  9235. MDIO_PMA_REG_8481_LED3_MASK,
  9236. 0x0);
  9237. bnx2x_cl45_write(bp, phy,
  9238. MDIO_PMA_DEVAD,
  9239. MDIO_PMA_REG_8481_LED5_MASK,
  9240. 0x0);
  9241. } else {
  9242. bnx2x_cl45_write(bp, phy,
  9243. MDIO_PMA_DEVAD,
  9244. MDIO_PMA_REG_8481_LED1_MASK,
  9245. 0x0);
  9246. }
  9247. break;
  9248. case LED_MODE_FRONT_PANEL_OFF:
  9249. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9250. port);
  9251. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9252. SHARED_HW_CFG_LED_EXTPHY1) {
  9253. /* Set LED masks */
  9254. bnx2x_cl45_write(bp, phy,
  9255. MDIO_PMA_DEVAD,
  9256. MDIO_PMA_REG_8481_LED1_MASK,
  9257. 0x0);
  9258. bnx2x_cl45_write(bp, phy,
  9259. MDIO_PMA_DEVAD,
  9260. MDIO_PMA_REG_8481_LED2_MASK,
  9261. 0x0);
  9262. bnx2x_cl45_write(bp, phy,
  9263. MDIO_PMA_DEVAD,
  9264. MDIO_PMA_REG_8481_LED3_MASK,
  9265. 0x0);
  9266. bnx2x_cl45_write(bp, phy,
  9267. MDIO_PMA_DEVAD,
  9268. MDIO_PMA_REG_8481_LED5_MASK,
  9269. 0x20);
  9270. } else {
  9271. bnx2x_cl45_write(bp, phy,
  9272. MDIO_PMA_DEVAD,
  9273. MDIO_PMA_REG_8481_LED1_MASK,
  9274. 0x0);
  9275. if (phy->type ==
  9276. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9277. /* Disable MI_INT interrupt before setting LED4
  9278. * source to constant off.
  9279. */
  9280. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9281. params->port*4) &
  9282. NIG_MASK_MI_INT) {
  9283. params->link_flags |=
  9284. LINK_FLAGS_INT_DISABLED;
  9285. bnx2x_bits_dis(
  9286. bp,
  9287. NIG_REG_MASK_INTERRUPT_PORT0 +
  9288. params->port*4,
  9289. NIG_MASK_MI_INT);
  9290. }
  9291. bnx2x_cl45_write(bp, phy,
  9292. MDIO_PMA_DEVAD,
  9293. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9294. 0x0);
  9295. }
  9296. }
  9297. break;
  9298. case LED_MODE_ON:
  9299. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9300. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9301. SHARED_HW_CFG_LED_EXTPHY1) {
  9302. /* Set control reg */
  9303. bnx2x_cl45_read(bp, phy,
  9304. MDIO_PMA_DEVAD,
  9305. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9306. &val);
  9307. val &= 0x8000;
  9308. val |= 0x2492;
  9309. bnx2x_cl45_write(bp, phy,
  9310. MDIO_PMA_DEVAD,
  9311. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9312. val);
  9313. /* Set LED masks */
  9314. bnx2x_cl45_write(bp, phy,
  9315. MDIO_PMA_DEVAD,
  9316. MDIO_PMA_REG_8481_LED1_MASK,
  9317. 0x0);
  9318. bnx2x_cl45_write(bp, phy,
  9319. MDIO_PMA_DEVAD,
  9320. MDIO_PMA_REG_8481_LED2_MASK,
  9321. 0x20);
  9322. bnx2x_cl45_write(bp, phy,
  9323. MDIO_PMA_DEVAD,
  9324. MDIO_PMA_REG_8481_LED3_MASK,
  9325. 0x20);
  9326. bnx2x_cl45_write(bp, phy,
  9327. MDIO_PMA_DEVAD,
  9328. MDIO_PMA_REG_8481_LED5_MASK,
  9329. 0x0);
  9330. } else {
  9331. bnx2x_cl45_write(bp, phy,
  9332. MDIO_PMA_DEVAD,
  9333. MDIO_PMA_REG_8481_LED1_MASK,
  9334. 0x20);
  9335. if (phy->type ==
  9336. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9337. /* Disable MI_INT interrupt before setting LED4
  9338. * source to constant on.
  9339. */
  9340. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9341. params->port*4) &
  9342. NIG_MASK_MI_INT) {
  9343. params->link_flags |=
  9344. LINK_FLAGS_INT_DISABLED;
  9345. bnx2x_bits_dis(
  9346. bp,
  9347. NIG_REG_MASK_INTERRUPT_PORT0 +
  9348. params->port*4,
  9349. NIG_MASK_MI_INT);
  9350. }
  9351. bnx2x_cl45_write(bp, phy,
  9352. MDIO_PMA_DEVAD,
  9353. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9354. 0x20);
  9355. }
  9356. }
  9357. break;
  9358. case LED_MODE_OPER:
  9359. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9360. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9361. SHARED_HW_CFG_LED_EXTPHY1) {
  9362. /* Set control reg */
  9363. bnx2x_cl45_read(bp, phy,
  9364. MDIO_PMA_DEVAD,
  9365. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9366. &val);
  9367. if (!((val &
  9368. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9369. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9370. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9371. bnx2x_cl45_write(bp, phy,
  9372. MDIO_PMA_DEVAD,
  9373. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9374. 0xa492);
  9375. }
  9376. /* Set LED masks */
  9377. bnx2x_cl45_write(bp, phy,
  9378. MDIO_PMA_DEVAD,
  9379. MDIO_PMA_REG_8481_LED1_MASK,
  9380. 0x10);
  9381. bnx2x_cl45_write(bp, phy,
  9382. MDIO_PMA_DEVAD,
  9383. MDIO_PMA_REG_8481_LED2_MASK,
  9384. 0x80);
  9385. bnx2x_cl45_write(bp, phy,
  9386. MDIO_PMA_DEVAD,
  9387. MDIO_PMA_REG_8481_LED3_MASK,
  9388. 0x98);
  9389. bnx2x_cl45_write(bp, phy,
  9390. MDIO_PMA_DEVAD,
  9391. MDIO_PMA_REG_8481_LED5_MASK,
  9392. 0x40);
  9393. } else {
  9394. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9395. * sources are all wired through LED1, rather than only
  9396. * 10G in other modes.
  9397. */
  9398. val = ((params->hw_led_mode <<
  9399. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9400. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9401. bnx2x_cl45_write(bp, phy,
  9402. MDIO_PMA_DEVAD,
  9403. MDIO_PMA_REG_8481_LED1_MASK,
  9404. val);
  9405. /* Tell LED3 to blink on source */
  9406. bnx2x_cl45_read(bp, phy,
  9407. MDIO_PMA_DEVAD,
  9408. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9409. &val);
  9410. val &= ~(7<<6);
  9411. val |= (1<<6); /* A83B[8:6]= 1 */
  9412. bnx2x_cl45_write(bp, phy,
  9413. MDIO_PMA_DEVAD,
  9414. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9415. val);
  9416. if (phy->type ==
  9417. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9418. /* Restore LED4 source to external link,
  9419. * and re-enable interrupts.
  9420. */
  9421. bnx2x_cl45_write(bp, phy,
  9422. MDIO_PMA_DEVAD,
  9423. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9424. 0x40);
  9425. if (params->link_flags &
  9426. LINK_FLAGS_INT_DISABLED) {
  9427. bnx2x_link_int_enable(params);
  9428. params->link_flags &=
  9429. ~LINK_FLAGS_INT_DISABLED;
  9430. }
  9431. }
  9432. }
  9433. break;
  9434. }
  9435. /* This is a workaround for E3+84833 until autoneg
  9436. * restart is fixed in f/w
  9437. */
  9438. if (CHIP_IS_E3(bp)) {
  9439. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9440. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9441. }
  9442. }
  9443. /******************************************************************/
  9444. /* 54618SE PHY SECTION */
  9445. /******************************************************************/
  9446. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9447. struct link_params *params,
  9448. u32 action)
  9449. {
  9450. struct bnx2x *bp = params->bp;
  9451. u16 temp;
  9452. switch (action) {
  9453. case PHY_INIT:
  9454. /* Configure LED4: set to INTR (0x6). */
  9455. /* Accessing shadow register 0xe. */
  9456. bnx2x_cl22_write(bp, phy,
  9457. MDIO_REG_GPHY_SHADOW,
  9458. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9459. bnx2x_cl22_read(bp, phy,
  9460. MDIO_REG_GPHY_SHADOW,
  9461. &temp);
  9462. temp &= ~(0xf << 4);
  9463. temp |= (0x6 << 4);
  9464. bnx2x_cl22_write(bp, phy,
  9465. MDIO_REG_GPHY_SHADOW,
  9466. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9467. /* Configure INTR based on link status change. */
  9468. bnx2x_cl22_write(bp, phy,
  9469. MDIO_REG_INTR_MASK,
  9470. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9471. break;
  9472. }
  9473. }
  9474. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9475. struct link_params *params,
  9476. struct link_vars *vars)
  9477. {
  9478. struct bnx2x *bp = params->bp;
  9479. u8 port;
  9480. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9481. u32 cfg_pin;
  9482. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9483. usleep_range(1000, 2000);
  9484. /* This works with E3 only, no need to check the chip
  9485. * before determining the port.
  9486. */
  9487. port = params->port;
  9488. cfg_pin = (REG_RD(bp, params->shmem_base +
  9489. offsetof(struct shmem_region,
  9490. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9491. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9492. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9493. /* Drive pin high to bring the GPHY out of reset. */
  9494. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9495. /* wait for GPHY to reset */
  9496. msleep(50);
  9497. /* reset phy */
  9498. bnx2x_cl22_write(bp, phy,
  9499. MDIO_PMA_REG_CTRL, 0x8000);
  9500. bnx2x_wait_reset_complete(bp, phy, params);
  9501. /* Wait for GPHY to reset */
  9502. msleep(50);
  9503. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9504. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9505. bnx2x_cl22_write(bp, phy,
  9506. MDIO_REG_GPHY_SHADOW,
  9507. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9508. bnx2x_cl22_read(bp, phy,
  9509. MDIO_REG_GPHY_SHADOW,
  9510. &temp);
  9511. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9512. bnx2x_cl22_write(bp, phy,
  9513. MDIO_REG_GPHY_SHADOW,
  9514. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9515. /* Set up fc */
  9516. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9517. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9518. fc_val = 0;
  9519. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9520. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9521. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9522. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9523. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9524. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9525. /* Read all advertisement */
  9526. bnx2x_cl22_read(bp, phy,
  9527. 0x09,
  9528. &an_1000_val);
  9529. bnx2x_cl22_read(bp, phy,
  9530. 0x04,
  9531. &an_10_100_val);
  9532. bnx2x_cl22_read(bp, phy,
  9533. MDIO_PMA_REG_CTRL,
  9534. &autoneg_val);
  9535. /* Disable forced speed */
  9536. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9537. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9538. (1<<11));
  9539. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9540. (phy->speed_cap_mask &
  9541. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9542. (phy->req_line_speed == SPEED_1000)) {
  9543. an_1000_val |= (1<<8);
  9544. autoneg_val |= (1<<9 | 1<<12);
  9545. if (phy->req_duplex == DUPLEX_FULL)
  9546. an_1000_val |= (1<<9);
  9547. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9548. } else
  9549. an_1000_val &= ~((1<<8) | (1<<9));
  9550. bnx2x_cl22_write(bp, phy,
  9551. 0x09,
  9552. an_1000_val);
  9553. bnx2x_cl22_read(bp, phy,
  9554. 0x09,
  9555. &an_1000_val);
  9556. /* Advertise 10/100 link speed */
  9557. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  9558. if (phy->speed_cap_mask &
  9559. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
  9560. an_10_100_val |= (1<<5);
  9561. autoneg_val |= (1<<9 | 1<<12);
  9562. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  9563. }
  9564. if (phy->speed_cap_mask &
  9565. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
  9566. an_10_100_val |= (1<<6);
  9567. autoneg_val |= (1<<9 | 1<<12);
  9568. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  9569. }
  9570. if (phy->speed_cap_mask &
  9571. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  9572. an_10_100_val |= (1<<7);
  9573. autoneg_val |= (1<<9 | 1<<12);
  9574. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  9575. }
  9576. if (phy->speed_cap_mask &
  9577. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  9578. an_10_100_val |= (1<<8);
  9579. autoneg_val |= (1<<9 | 1<<12);
  9580. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  9581. }
  9582. }
  9583. /* Only 10/100 are allowed to work in FORCE mode */
  9584. if (phy->req_line_speed == SPEED_100) {
  9585. autoneg_val |= (1<<13);
  9586. /* Enabled AUTO-MDIX when autoneg is disabled */
  9587. bnx2x_cl22_write(bp, phy,
  9588. 0x18,
  9589. (1<<15 | 1<<9 | 7<<0));
  9590. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9591. }
  9592. if (phy->req_line_speed == SPEED_10) {
  9593. /* Enabled AUTO-MDIX when autoneg is disabled */
  9594. bnx2x_cl22_write(bp, phy,
  9595. 0x18,
  9596. (1<<15 | 1<<9 | 7<<0));
  9597. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9598. }
  9599. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9600. int rc;
  9601. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9602. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9603. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9604. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9605. temp &= 0xfffe;
  9606. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9607. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9608. if (rc) {
  9609. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9610. bnx2x_eee_disable(phy, params, vars);
  9611. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9612. (phy->req_duplex == DUPLEX_FULL) &&
  9613. (bnx2x_eee_calc_timer(params) ||
  9614. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9615. /* Need to advertise EEE only when requested,
  9616. * and either no LPI assertion was requested,
  9617. * or it was requested and a valid timer was set.
  9618. * Also notice full duplex is required for EEE.
  9619. */
  9620. bnx2x_eee_advertise(phy, params, vars,
  9621. SHMEM_EEE_1G_ADV);
  9622. } else {
  9623. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9624. bnx2x_eee_disable(phy, params, vars);
  9625. }
  9626. } else {
  9627. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9628. SHMEM_EEE_SUPPORTED_SHIFT;
  9629. if (phy->flags & FLAGS_EEE) {
  9630. /* Handle legacy auto-grEEEn */
  9631. if (params->feature_config_flags &
  9632. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9633. temp = 6;
  9634. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9635. } else {
  9636. temp = 0;
  9637. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9638. }
  9639. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9640. MDIO_AN_REG_EEE_ADV, temp);
  9641. }
  9642. }
  9643. bnx2x_cl22_write(bp, phy,
  9644. 0x04,
  9645. an_10_100_val | fc_val);
  9646. if (phy->req_duplex == DUPLEX_FULL)
  9647. autoneg_val |= (1<<8);
  9648. bnx2x_cl22_write(bp, phy,
  9649. MDIO_PMA_REG_CTRL, autoneg_val);
  9650. return 0;
  9651. }
  9652. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9653. struct link_params *params, u8 mode)
  9654. {
  9655. struct bnx2x *bp = params->bp;
  9656. u16 temp;
  9657. bnx2x_cl22_write(bp, phy,
  9658. MDIO_REG_GPHY_SHADOW,
  9659. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9660. bnx2x_cl22_read(bp, phy,
  9661. MDIO_REG_GPHY_SHADOW,
  9662. &temp);
  9663. temp &= 0xff00;
  9664. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9665. switch (mode) {
  9666. case LED_MODE_FRONT_PANEL_OFF:
  9667. case LED_MODE_OFF:
  9668. temp |= 0x00ee;
  9669. break;
  9670. case LED_MODE_OPER:
  9671. temp |= 0x0001;
  9672. break;
  9673. case LED_MODE_ON:
  9674. temp |= 0x00ff;
  9675. break;
  9676. default:
  9677. break;
  9678. }
  9679. bnx2x_cl22_write(bp, phy,
  9680. MDIO_REG_GPHY_SHADOW,
  9681. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9682. return;
  9683. }
  9684. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9685. struct link_params *params)
  9686. {
  9687. struct bnx2x *bp = params->bp;
  9688. u32 cfg_pin;
  9689. u8 port;
  9690. /* In case of no EPIO routed to reset the GPHY, put it
  9691. * in low power mode.
  9692. */
  9693. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9694. /* This works with E3 only, no need to check the chip
  9695. * before determining the port.
  9696. */
  9697. port = params->port;
  9698. cfg_pin = (REG_RD(bp, params->shmem_base +
  9699. offsetof(struct shmem_region,
  9700. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9701. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9702. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9703. /* Drive pin low to put GPHY in reset. */
  9704. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9705. }
  9706. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9707. struct link_params *params,
  9708. struct link_vars *vars)
  9709. {
  9710. struct bnx2x *bp = params->bp;
  9711. u16 val;
  9712. u8 link_up = 0;
  9713. u16 legacy_status, legacy_speed;
  9714. /* Get speed operation status */
  9715. bnx2x_cl22_read(bp, phy,
  9716. MDIO_REG_GPHY_AUX_STATUS,
  9717. &legacy_status);
  9718. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9719. /* Read status to clear the PHY interrupt. */
  9720. bnx2x_cl22_read(bp, phy,
  9721. MDIO_REG_INTR_STATUS,
  9722. &val);
  9723. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9724. if (link_up) {
  9725. legacy_speed = (legacy_status & (7<<8));
  9726. if (legacy_speed == (7<<8)) {
  9727. vars->line_speed = SPEED_1000;
  9728. vars->duplex = DUPLEX_FULL;
  9729. } else if (legacy_speed == (6<<8)) {
  9730. vars->line_speed = SPEED_1000;
  9731. vars->duplex = DUPLEX_HALF;
  9732. } else if (legacy_speed == (5<<8)) {
  9733. vars->line_speed = SPEED_100;
  9734. vars->duplex = DUPLEX_FULL;
  9735. }
  9736. /* Omitting 100Base-T4 for now */
  9737. else if (legacy_speed == (3<<8)) {
  9738. vars->line_speed = SPEED_100;
  9739. vars->duplex = DUPLEX_HALF;
  9740. } else if (legacy_speed == (2<<8)) {
  9741. vars->line_speed = SPEED_10;
  9742. vars->duplex = DUPLEX_FULL;
  9743. } else if (legacy_speed == (1<<8)) {
  9744. vars->line_speed = SPEED_10;
  9745. vars->duplex = DUPLEX_HALF;
  9746. } else /* Should not happen */
  9747. vars->line_speed = 0;
  9748. DP(NETIF_MSG_LINK,
  9749. "Link is up in %dMbps, is_duplex_full= %d\n",
  9750. vars->line_speed,
  9751. (vars->duplex == DUPLEX_FULL));
  9752. /* Check legacy speed AN resolution */
  9753. bnx2x_cl22_read(bp, phy,
  9754. 0x01,
  9755. &val);
  9756. if (val & (1<<5))
  9757. vars->link_status |=
  9758. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9759. bnx2x_cl22_read(bp, phy,
  9760. 0x06,
  9761. &val);
  9762. if ((val & (1<<0)) == 0)
  9763. vars->link_status |=
  9764. LINK_STATUS_PARALLEL_DETECTION_USED;
  9765. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9766. vars->line_speed);
  9767. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9768. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9769. /* Report LP advertised speeds */
  9770. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9771. if (val & (1<<5))
  9772. vars->link_status |=
  9773. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9774. if (val & (1<<6))
  9775. vars->link_status |=
  9776. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9777. if (val & (1<<7))
  9778. vars->link_status |=
  9779. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9780. if (val & (1<<8))
  9781. vars->link_status |=
  9782. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9783. if (val & (1<<9))
  9784. vars->link_status |=
  9785. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9786. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9787. if (val & (1<<10))
  9788. vars->link_status |=
  9789. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9790. if (val & (1<<11))
  9791. vars->link_status |=
  9792. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9793. if ((phy->flags & FLAGS_EEE) &&
  9794. bnx2x_eee_has_cap(params))
  9795. bnx2x_eee_an_resolve(phy, params, vars);
  9796. }
  9797. }
  9798. return link_up;
  9799. }
  9800. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9801. struct link_params *params)
  9802. {
  9803. struct bnx2x *bp = params->bp;
  9804. u16 val;
  9805. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9806. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9807. /* Enable master/slave manual mmode and set to master */
  9808. /* mii write 9 [bits set 11 12] */
  9809. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9810. /* forced 1G and disable autoneg */
  9811. /* set val [mii read 0] */
  9812. /* set val [expr $val & [bits clear 6 12 13]] */
  9813. /* set val [expr $val | [bits set 6 8]] */
  9814. /* mii write 0 $val */
  9815. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9816. val &= ~((1<<6) | (1<<12) | (1<<13));
  9817. val |= (1<<6) | (1<<8);
  9818. bnx2x_cl22_write(bp, phy, 0x00, val);
  9819. /* Set external loopback and Tx using 6dB coding */
  9820. /* mii write 0x18 7 */
  9821. /* set val [mii read 0x18] */
  9822. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9823. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9824. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9825. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9826. /* This register opens the gate for the UMAC despite its name */
  9827. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9828. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9829. * length used by the MAC receive logic to check frames.
  9830. */
  9831. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9832. }
  9833. /******************************************************************/
  9834. /* SFX7101 PHY SECTION */
  9835. /******************************************************************/
  9836. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9837. struct link_params *params)
  9838. {
  9839. struct bnx2x *bp = params->bp;
  9840. /* SFX7101_XGXS_TEST1 */
  9841. bnx2x_cl45_write(bp, phy,
  9842. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9843. }
  9844. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9845. struct link_params *params,
  9846. struct link_vars *vars)
  9847. {
  9848. u16 fw_ver1, fw_ver2, val;
  9849. struct bnx2x *bp = params->bp;
  9850. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9851. /* Restore normal power mode*/
  9852. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9853. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9854. /* HW reset */
  9855. bnx2x_ext_phy_hw_reset(bp, params->port);
  9856. bnx2x_wait_reset_complete(bp, phy, params);
  9857. bnx2x_cl45_write(bp, phy,
  9858. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9859. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9860. bnx2x_cl45_write(bp, phy,
  9861. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9862. bnx2x_ext_phy_set_pause(params, phy, vars);
  9863. /* Restart autoneg */
  9864. bnx2x_cl45_read(bp, phy,
  9865. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9866. val |= 0x200;
  9867. bnx2x_cl45_write(bp, phy,
  9868. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9869. /* Save spirom version */
  9870. bnx2x_cl45_read(bp, phy,
  9871. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9872. bnx2x_cl45_read(bp, phy,
  9873. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9874. bnx2x_save_spirom_version(bp, params->port,
  9875. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9876. return 0;
  9877. }
  9878. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9879. struct link_params *params,
  9880. struct link_vars *vars)
  9881. {
  9882. struct bnx2x *bp = params->bp;
  9883. u8 link_up;
  9884. u16 val1, val2;
  9885. bnx2x_cl45_read(bp, phy,
  9886. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9887. bnx2x_cl45_read(bp, phy,
  9888. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9889. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9890. val2, val1);
  9891. bnx2x_cl45_read(bp, phy,
  9892. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9893. bnx2x_cl45_read(bp, phy,
  9894. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9895. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9896. val2, val1);
  9897. link_up = ((val1 & 4) == 4);
  9898. /* If link is up print the AN outcome of the SFX7101 PHY */
  9899. if (link_up) {
  9900. bnx2x_cl45_read(bp, phy,
  9901. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9902. &val2);
  9903. vars->line_speed = SPEED_10000;
  9904. vars->duplex = DUPLEX_FULL;
  9905. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9906. val2, (val2 & (1<<14)));
  9907. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9908. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9909. /* Read LP advertised speeds */
  9910. if (val2 & (1<<11))
  9911. vars->link_status |=
  9912. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9913. }
  9914. return link_up;
  9915. }
  9916. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9917. {
  9918. if (*len < 5)
  9919. return -EINVAL;
  9920. str[0] = (spirom_ver & 0xFF);
  9921. str[1] = (spirom_ver & 0xFF00) >> 8;
  9922. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9923. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9924. str[4] = '\0';
  9925. *len -= 5;
  9926. return 0;
  9927. }
  9928. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9929. {
  9930. u16 val, cnt;
  9931. bnx2x_cl45_read(bp, phy,
  9932. MDIO_PMA_DEVAD,
  9933. MDIO_PMA_REG_7101_RESET, &val);
  9934. for (cnt = 0; cnt < 10; cnt++) {
  9935. msleep(50);
  9936. /* Writes a self-clearing reset */
  9937. bnx2x_cl45_write(bp, phy,
  9938. MDIO_PMA_DEVAD,
  9939. MDIO_PMA_REG_7101_RESET,
  9940. (val | (1<<15)));
  9941. /* Wait for clear */
  9942. bnx2x_cl45_read(bp, phy,
  9943. MDIO_PMA_DEVAD,
  9944. MDIO_PMA_REG_7101_RESET, &val);
  9945. if ((val & (1<<15)) == 0)
  9946. break;
  9947. }
  9948. }
  9949. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9950. struct link_params *params) {
  9951. /* Low power mode is controlled by GPIO 2 */
  9952. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9953. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9954. /* The PHY reset is controlled by GPIO 1 */
  9955. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9956. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9957. }
  9958. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9959. struct link_params *params, u8 mode)
  9960. {
  9961. u16 val = 0;
  9962. struct bnx2x *bp = params->bp;
  9963. switch (mode) {
  9964. case LED_MODE_FRONT_PANEL_OFF:
  9965. case LED_MODE_OFF:
  9966. val = 2;
  9967. break;
  9968. case LED_MODE_ON:
  9969. val = 1;
  9970. break;
  9971. case LED_MODE_OPER:
  9972. val = 0;
  9973. break;
  9974. }
  9975. bnx2x_cl45_write(bp, phy,
  9976. MDIO_PMA_DEVAD,
  9977. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9978. val);
  9979. }
  9980. /******************************************************************/
  9981. /* STATIC PHY DECLARATION */
  9982. /******************************************************************/
  9983. static const struct bnx2x_phy phy_null = {
  9984. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9985. .addr = 0,
  9986. .def_md_devad = 0,
  9987. .flags = FLAGS_INIT_XGXS_FIRST,
  9988. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9989. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9990. .mdio_ctrl = 0,
  9991. .supported = 0,
  9992. .media_type = ETH_PHY_NOT_PRESENT,
  9993. .ver_addr = 0,
  9994. .req_flow_ctrl = 0,
  9995. .req_line_speed = 0,
  9996. .speed_cap_mask = 0,
  9997. .req_duplex = 0,
  9998. .rsrv = 0,
  9999. .config_init = (config_init_t)NULL,
  10000. .read_status = (read_status_t)NULL,
  10001. .link_reset = (link_reset_t)NULL,
  10002. .config_loopback = (config_loopback_t)NULL,
  10003. .format_fw_ver = (format_fw_ver_t)NULL,
  10004. .hw_reset = (hw_reset_t)NULL,
  10005. .set_link_led = (set_link_led_t)NULL,
  10006. .phy_specific_func = (phy_specific_func_t)NULL
  10007. };
  10008. static const struct bnx2x_phy phy_serdes = {
  10009. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10010. .addr = 0xff,
  10011. .def_md_devad = 0,
  10012. .flags = 0,
  10013. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10014. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10015. .mdio_ctrl = 0,
  10016. .supported = (SUPPORTED_10baseT_Half |
  10017. SUPPORTED_10baseT_Full |
  10018. SUPPORTED_100baseT_Half |
  10019. SUPPORTED_100baseT_Full |
  10020. SUPPORTED_1000baseT_Full |
  10021. SUPPORTED_2500baseX_Full |
  10022. SUPPORTED_TP |
  10023. SUPPORTED_Autoneg |
  10024. SUPPORTED_Pause |
  10025. SUPPORTED_Asym_Pause),
  10026. .media_type = ETH_PHY_BASE_T,
  10027. .ver_addr = 0,
  10028. .req_flow_ctrl = 0,
  10029. .req_line_speed = 0,
  10030. .speed_cap_mask = 0,
  10031. .req_duplex = 0,
  10032. .rsrv = 0,
  10033. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10034. .read_status = (read_status_t)bnx2x_link_settings_status,
  10035. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10036. .config_loopback = (config_loopback_t)NULL,
  10037. .format_fw_ver = (format_fw_ver_t)NULL,
  10038. .hw_reset = (hw_reset_t)NULL,
  10039. .set_link_led = (set_link_led_t)NULL,
  10040. .phy_specific_func = (phy_specific_func_t)NULL
  10041. };
  10042. static const struct bnx2x_phy phy_xgxs = {
  10043. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10044. .addr = 0xff,
  10045. .def_md_devad = 0,
  10046. .flags = 0,
  10047. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10048. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10049. .mdio_ctrl = 0,
  10050. .supported = (SUPPORTED_10baseT_Half |
  10051. SUPPORTED_10baseT_Full |
  10052. SUPPORTED_100baseT_Half |
  10053. SUPPORTED_100baseT_Full |
  10054. SUPPORTED_1000baseT_Full |
  10055. SUPPORTED_2500baseX_Full |
  10056. SUPPORTED_10000baseT_Full |
  10057. SUPPORTED_FIBRE |
  10058. SUPPORTED_Autoneg |
  10059. SUPPORTED_Pause |
  10060. SUPPORTED_Asym_Pause),
  10061. .media_type = ETH_PHY_CX4,
  10062. .ver_addr = 0,
  10063. .req_flow_ctrl = 0,
  10064. .req_line_speed = 0,
  10065. .speed_cap_mask = 0,
  10066. .req_duplex = 0,
  10067. .rsrv = 0,
  10068. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10069. .read_status = (read_status_t)bnx2x_link_settings_status,
  10070. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10071. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10072. .format_fw_ver = (format_fw_ver_t)NULL,
  10073. .hw_reset = (hw_reset_t)NULL,
  10074. .set_link_led = (set_link_led_t)NULL,
  10075. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10076. };
  10077. static const struct bnx2x_phy phy_warpcore = {
  10078. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10079. .addr = 0xff,
  10080. .def_md_devad = 0,
  10081. .flags = FLAGS_TX_ERROR_CHECK,
  10082. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10083. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10084. .mdio_ctrl = 0,
  10085. .supported = (SUPPORTED_10baseT_Half |
  10086. SUPPORTED_10baseT_Full |
  10087. SUPPORTED_100baseT_Half |
  10088. SUPPORTED_100baseT_Full |
  10089. SUPPORTED_1000baseT_Full |
  10090. SUPPORTED_10000baseT_Full |
  10091. SUPPORTED_20000baseKR2_Full |
  10092. SUPPORTED_20000baseMLD2_Full |
  10093. SUPPORTED_FIBRE |
  10094. SUPPORTED_Autoneg |
  10095. SUPPORTED_Pause |
  10096. SUPPORTED_Asym_Pause),
  10097. .media_type = ETH_PHY_UNSPECIFIED,
  10098. .ver_addr = 0,
  10099. .req_flow_ctrl = 0,
  10100. .req_line_speed = 0,
  10101. .speed_cap_mask = 0,
  10102. /* req_duplex = */0,
  10103. /* rsrv = */0,
  10104. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10105. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10106. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10107. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10108. .format_fw_ver = (format_fw_ver_t)NULL,
  10109. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10110. .set_link_led = (set_link_led_t)NULL,
  10111. .phy_specific_func = (phy_specific_func_t)NULL
  10112. };
  10113. static const struct bnx2x_phy phy_7101 = {
  10114. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10115. .addr = 0xff,
  10116. .def_md_devad = 0,
  10117. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10118. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10119. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10120. .mdio_ctrl = 0,
  10121. .supported = (SUPPORTED_10000baseT_Full |
  10122. SUPPORTED_TP |
  10123. SUPPORTED_Autoneg |
  10124. SUPPORTED_Pause |
  10125. SUPPORTED_Asym_Pause),
  10126. .media_type = ETH_PHY_BASE_T,
  10127. .ver_addr = 0,
  10128. .req_flow_ctrl = 0,
  10129. .req_line_speed = 0,
  10130. .speed_cap_mask = 0,
  10131. .req_duplex = 0,
  10132. .rsrv = 0,
  10133. .config_init = (config_init_t)bnx2x_7101_config_init,
  10134. .read_status = (read_status_t)bnx2x_7101_read_status,
  10135. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10136. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10137. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10138. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10139. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10140. .phy_specific_func = (phy_specific_func_t)NULL
  10141. };
  10142. static const struct bnx2x_phy phy_8073 = {
  10143. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10144. .addr = 0xff,
  10145. .def_md_devad = 0,
  10146. .flags = 0,
  10147. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10148. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10149. .mdio_ctrl = 0,
  10150. .supported = (SUPPORTED_10000baseT_Full |
  10151. SUPPORTED_2500baseX_Full |
  10152. SUPPORTED_1000baseT_Full |
  10153. SUPPORTED_FIBRE |
  10154. SUPPORTED_Autoneg |
  10155. SUPPORTED_Pause |
  10156. SUPPORTED_Asym_Pause),
  10157. .media_type = ETH_PHY_KR,
  10158. .ver_addr = 0,
  10159. .req_flow_ctrl = 0,
  10160. .req_line_speed = 0,
  10161. .speed_cap_mask = 0,
  10162. .req_duplex = 0,
  10163. .rsrv = 0,
  10164. .config_init = (config_init_t)bnx2x_8073_config_init,
  10165. .read_status = (read_status_t)bnx2x_8073_read_status,
  10166. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10167. .config_loopback = (config_loopback_t)NULL,
  10168. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10169. .hw_reset = (hw_reset_t)NULL,
  10170. .set_link_led = (set_link_led_t)NULL,
  10171. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10172. };
  10173. static const struct bnx2x_phy phy_8705 = {
  10174. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10175. .addr = 0xff,
  10176. .def_md_devad = 0,
  10177. .flags = FLAGS_INIT_XGXS_FIRST,
  10178. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10179. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10180. .mdio_ctrl = 0,
  10181. .supported = (SUPPORTED_10000baseT_Full |
  10182. SUPPORTED_FIBRE |
  10183. SUPPORTED_Pause |
  10184. SUPPORTED_Asym_Pause),
  10185. .media_type = ETH_PHY_XFP_FIBER,
  10186. .ver_addr = 0,
  10187. .req_flow_ctrl = 0,
  10188. .req_line_speed = 0,
  10189. .speed_cap_mask = 0,
  10190. .req_duplex = 0,
  10191. .rsrv = 0,
  10192. .config_init = (config_init_t)bnx2x_8705_config_init,
  10193. .read_status = (read_status_t)bnx2x_8705_read_status,
  10194. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10195. .config_loopback = (config_loopback_t)NULL,
  10196. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10197. .hw_reset = (hw_reset_t)NULL,
  10198. .set_link_led = (set_link_led_t)NULL,
  10199. .phy_specific_func = (phy_specific_func_t)NULL
  10200. };
  10201. static const struct bnx2x_phy phy_8706 = {
  10202. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10203. .addr = 0xff,
  10204. .def_md_devad = 0,
  10205. .flags = FLAGS_INIT_XGXS_FIRST,
  10206. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10207. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10208. .mdio_ctrl = 0,
  10209. .supported = (SUPPORTED_10000baseT_Full |
  10210. SUPPORTED_1000baseT_Full |
  10211. SUPPORTED_FIBRE |
  10212. SUPPORTED_Pause |
  10213. SUPPORTED_Asym_Pause),
  10214. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10215. .ver_addr = 0,
  10216. .req_flow_ctrl = 0,
  10217. .req_line_speed = 0,
  10218. .speed_cap_mask = 0,
  10219. .req_duplex = 0,
  10220. .rsrv = 0,
  10221. .config_init = (config_init_t)bnx2x_8706_config_init,
  10222. .read_status = (read_status_t)bnx2x_8706_read_status,
  10223. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10224. .config_loopback = (config_loopback_t)NULL,
  10225. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10226. .hw_reset = (hw_reset_t)NULL,
  10227. .set_link_led = (set_link_led_t)NULL,
  10228. .phy_specific_func = (phy_specific_func_t)NULL
  10229. };
  10230. static const struct bnx2x_phy phy_8726 = {
  10231. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10232. .addr = 0xff,
  10233. .def_md_devad = 0,
  10234. .flags = (FLAGS_INIT_XGXS_FIRST |
  10235. FLAGS_TX_ERROR_CHECK),
  10236. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10237. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10238. .mdio_ctrl = 0,
  10239. .supported = (SUPPORTED_10000baseT_Full |
  10240. SUPPORTED_1000baseT_Full |
  10241. SUPPORTED_Autoneg |
  10242. SUPPORTED_FIBRE |
  10243. SUPPORTED_Pause |
  10244. SUPPORTED_Asym_Pause),
  10245. .media_type = ETH_PHY_NOT_PRESENT,
  10246. .ver_addr = 0,
  10247. .req_flow_ctrl = 0,
  10248. .req_line_speed = 0,
  10249. .speed_cap_mask = 0,
  10250. .req_duplex = 0,
  10251. .rsrv = 0,
  10252. .config_init = (config_init_t)bnx2x_8726_config_init,
  10253. .read_status = (read_status_t)bnx2x_8726_read_status,
  10254. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10255. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10256. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10257. .hw_reset = (hw_reset_t)NULL,
  10258. .set_link_led = (set_link_led_t)NULL,
  10259. .phy_specific_func = (phy_specific_func_t)NULL
  10260. };
  10261. static const struct bnx2x_phy phy_8727 = {
  10262. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10263. .addr = 0xff,
  10264. .def_md_devad = 0,
  10265. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10266. FLAGS_TX_ERROR_CHECK),
  10267. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10268. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10269. .mdio_ctrl = 0,
  10270. .supported = (SUPPORTED_10000baseT_Full |
  10271. SUPPORTED_1000baseT_Full |
  10272. SUPPORTED_FIBRE |
  10273. SUPPORTED_Pause |
  10274. SUPPORTED_Asym_Pause),
  10275. .media_type = ETH_PHY_NOT_PRESENT,
  10276. .ver_addr = 0,
  10277. .req_flow_ctrl = 0,
  10278. .req_line_speed = 0,
  10279. .speed_cap_mask = 0,
  10280. .req_duplex = 0,
  10281. .rsrv = 0,
  10282. .config_init = (config_init_t)bnx2x_8727_config_init,
  10283. .read_status = (read_status_t)bnx2x_8727_read_status,
  10284. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10285. .config_loopback = (config_loopback_t)NULL,
  10286. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10287. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10288. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10289. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10290. };
  10291. static const struct bnx2x_phy phy_8481 = {
  10292. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10293. .addr = 0xff,
  10294. .def_md_devad = 0,
  10295. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10296. FLAGS_REARM_LATCH_SIGNAL,
  10297. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10298. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10299. .mdio_ctrl = 0,
  10300. .supported = (SUPPORTED_10baseT_Half |
  10301. SUPPORTED_10baseT_Full |
  10302. SUPPORTED_100baseT_Half |
  10303. SUPPORTED_100baseT_Full |
  10304. SUPPORTED_1000baseT_Full |
  10305. SUPPORTED_10000baseT_Full |
  10306. SUPPORTED_TP |
  10307. SUPPORTED_Autoneg |
  10308. SUPPORTED_Pause |
  10309. SUPPORTED_Asym_Pause),
  10310. .media_type = ETH_PHY_BASE_T,
  10311. .ver_addr = 0,
  10312. .req_flow_ctrl = 0,
  10313. .req_line_speed = 0,
  10314. .speed_cap_mask = 0,
  10315. .req_duplex = 0,
  10316. .rsrv = 0,
  10317. .config_init = (config_init_t)bnx2x_8481_config_init,
  10318. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10319. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10320. .config_loopback = (config_loopback_t)NULL,
  10321. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10322. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10323. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10324. .phy_specific_func = (phy_specific_func_t)NULL
  10325. };
  10326. static const struct bnx2x_phy phy_84823 = {
  10327. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10328. .addr = 0xff,
  10329. .def_md_devad = 0,
  10330. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10331. FLAGS_REARM_LATCH_SIGNAL |
  10332. FLAGS_TX_ERROR_CHECK),
  10333. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10334. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10335. .mdio_ctrl = 0,
  10336. .supported = (SUPPORTED_10baseT_Half |
  10337. SUPPORTED_10baseT_Full |
  10338. SUPPORTED_100baseT_Half |
  10339. SUPPORTED_100baseT_Full |
  10340. SUPPORTED_1000baseT_Full |
  10341. SUPPORTED_10000baseT_Full |
  10342. SUPPORTED_TP |
  10343. SUPPORTED_Autoneg |
  10344. SUPPORTED_Pause |
  10345. SUPPORTED_Asym_Pause),
  10346. .media_type = ETH_PHY_BASE_T,
  10347. .ver_addr = 0,
  10348. .req_flow_ctrl = 0,
  10349. .req_line_speed = 0,
  10350. .speed_cap_mask = 0,
  10351. .req_duplex = 0,
  10352. .rsrv = 0,
  10353. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10354. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10355. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10356. .config_loopback = (config_loopback_t)NULL,
  10357. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10358. .hw_reset = (hw_reset_t)NULL,
  10359. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10360. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10361. };
  10362. static const struct bnx2x_phy phy_84833 = {
  10363. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10364. .addr = 0xff,
  10365. .def_md_devad = 0,
  10366. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10367. FLAGS_REARM_LATCH_SIGNAL |
  10368. FLAGS_TX_ERROR_CHECK),
  10369. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10370. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10371. .mdio_ctrl = 0,
  10372. .supported = (SUPPORTED_100baseT_Half |
  10373. SUPPORTED_100baseT_Full |
  10374. SUPPORTED_1000baseT_Full |
  10375. SUPPORTED_10000baseT_Full |
  10376. SUPPORTED_TP |
  10377. SUPPORTED_Autoneg |
  10378. SUPPORTED_Pause |
  10379. SUPPORTED_Asym_Pause),
  10380. .media_type = ETH_PHY_BASE_T,
  10381. .ver_addr = 0,
  10382. .req_flow_ctrl = 0,
  10383. .req_line_speed = 0,
  10384. .speed_cap_mask = 0,
  10385. .req_duplex = 0,
  10386. .rsrv = 0,
  10387. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10388. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10389. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10390. .config_loopback = (config_loopback_t)NULL,
  10391. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10392. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10393. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10394. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10395. };
  10396. static const struct bnx2x_phy phy_84834 = {
  10397. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10398. .addr = 0xff,
  10399. .def_md_devad = 0,
  10400. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10401. FLAGS_REARM_LATCH_SIGNAL,
  10402. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10403. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10404. .mdio_ctrl = 0,
  10405. .supported = (SUPPORTED_100baseT_Half |
  10406. SUPPORTED_100baseT_Full |
  10407. SUPPORTED_1000baseT_Full |
  10408. SUPPORTED_10000baseT_Full |
  10409. SUPPORTED_TP |
  10410. SUPPORTED_Autoneg |
  10411. SUPPORTED_Pause |
  10412. SUPPORTED_Asym_Pause),
  10413. .media_type = ETH_PHY_BASE_T,
  10414. .ver_addr = 0,
  10415. .req_flow_ctrl = 0,
  10416. .req_line_speed = 0,
  10417. .speed_cap_mask = 0,
  10418. .req_duplex = 0,
  10419. .rsrv = 0,
  10420. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10421. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10422. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10423. .config_loopback = (config_loopback_t)NULL,
  10424. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10425. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10426. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10427. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10428. };
  10429. static const struct bnx2x_phy phy_54618se = {
  10430. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10431. .addr = 0xff,
  10432. .def_md_devad = 0,
  10433. .flags = FLAGS_INIT_XGXS_FIRST,
  10434. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10435. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10436. .mdio_ctrl = 0,
  10437. .supported = (SUPPORTED_10baseT_Half |
  10438. SUPPORTED_10baseT_Full |
  10439. SUPPORTED_100baseT_Half |
  10440. SUPPORTED_100baseT_Full |
  10441. SUPPORTED_1000baseT_Full |
  10442. SUPPORTED_TP |
  10443. SUPPORTED_Autoneg |
  10444. SUPPORTED_Pause |
  10445. SUPPORTED_Asym_Pause),
  10446. .media_type = ETH_PHY_BASE_T,
  10447. .ver_addr = 0,
  10448. .req_flow_ctrl = 0,
  10449. .req_line_speed = 0,
  10450. .speed_cap_mask = 0,
  10451. /* req_duplex = */0,
  10452. /* rsrv = */0,
  10453. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10454. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10455. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10456. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10457. .format_fw_ver = (format_fw_ver_t)NULL,
  10458. .hw_reset = (hw_reset_t)NULL,
  10459. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10460. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10461. };
  10462. /*****************************************************************/
  10463. /* */
  10464. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10465. /* */
  10466. /*****************************************************************/
  10467. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10468. struct bnx2x_phy *phy, u8 port,
  10469. u8 phy_index)
  10470. {
  10471. /* Get the 4 lanes xgxs config rx and tx */
  10472. u32 rx = 0, tx = 0, i;
  10473. for (i = 0; i < 2; i++) {
  10474. /* INT_PHY and EXT_PHY1 share the same value location in
  10475. * the shmem. When num_phys is greater than 1, than this value
  10476. * applies only to EXT_PHY1
  10477. */
  10478. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10479. rx = REG_RD(bp, shmem_base +
  10480. offsetof(struct shmem_region,
  10481. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10482. tx = REG_RD(bp, shmem_base +
  10483. offsetof(struct shmem_region,
  10484. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10485. } else {
  10486. rx = REG_RD(bp, shmem_base +
  10487. offsetof(struct shmem_region,
  10488. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10489. tx = REG_RD(bp, shmem_base +
  10490. offsetof(struct shmem_region,
  10491. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10492. }
  10493. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10494. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10495. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10496. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10497. }
  10498. }
  10499. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10500. u8 phy_index, u8 port)
  10501. {
  10502. u32 ext_phy_config = 0;
  10503. switch (phy_index) {
  10504. case EXT_PHY1:
  10505. ext_phy_config = REG_RD(bp, shmem_base +
  10506. offsetof(struct shmem_region,
  10507. dev_info.port_hw_config[port].external_phy_config));
  10508. break;
  10509. case EXT_PHY2:
  10510. ext_phy_config = REG_RD(bp, shmem_base +
  10511. offsetof(struct shmem_region,
  10512. dev_info.port_hw_config[port].external_phy_config2));
  10513. break;
  10514. default:
  10515. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10516. return -EINVAL;
  10517. }
  10518. return ext_phy_config;
  10519. }
  10520. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10521. struct bnx2x_phy *phy)
  10522. {
  10523. u32 phy_addr;
  10524. u32 chip_id;
  10525. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10526. offsetof(struct shmem_region,
  10527. dev_info.port_feature_config[port].link_config)) &
  10528. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10529. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10530. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10531. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10532. if (USES_WARPCORE(bp)) {
  10533. u32 serdes_net_if;
  10534. phy_addr = REG_RD(bp,
  10535. MISC_REG_WC0_CTRL_PHY_ADDR);
  10536. *phy = phy_warpcore;
  10537. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10538. phy->flags |= FLAGS_4_PORT_MODE;
  10539. else
  10540. phy->flags &= ~FLAGS_4_PORT_MODE;
  10541. /* Check Dual mode */
  10542. serdes_net_if = (REG_RD(bp, shmem_base +
  10543. offsetof(struct shmem_region, dev_info.
  10544. port_hw_config[port].default_cfg)) &
  10545. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10546. /* Set the appropriate supported and flags indications per
  10547. * interface type of the chip
  10548. */
  10549. switch (serdes_net_if) {
  10550. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10551. phy->supported &= (SUPPORTED_10baseT_Half |
  10552. SUPPORTED_10baseT_Full |
  10553. SUPPORTED_100baseT_Half |
  10554. SUPPORTED_100baseT_Full |
  10555. SUPPORTED_1000baseT_Full |
  10556. SUPPORTED_FIBRE |
  10557. SUPPORTED_Autoneg |
  10558. SUPPORTED_Pause |
  10559. SUPPORTED_Asym_Pause);
  10560. phy->media_type = ETH_PHY_BASE_T;
  10561. break;
  10562. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10563. phy->supported &= (SUPPORTED_1000baseT_Full |
  10564. SUPPORTED_10000baseT_Full |
  10565. SUPPORTED_FIBRE |
  10566. SUPPORTED_Pause |
  10567. SUPPORTED_Asym_Pause);
  10568. phy->media_type = ETH_PHY_XFP_FIBER;
  10569. break;
  10570. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10571. phy->supported &= (SUPPORTED_1000baseT_Full |
  10572. SUPPORTED_10000baseT_Full |
  10573. SUPPORTED_FIBRE |
  10574. SUPPORTED_Pause |
  10575. SUPPORTED_Asym_Pause);
  10576. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10577. break;
  10578. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10579. phy->media_type = ETH_PHY_KR;
  10580. phy->supported &= (SUPPORTED_1000baseT_Full |
  10581. SUPPORTED_10000baseT_Full |
  10582. SUPPORTED_FIBRE |
  10583. SUPPORTED_Autoneg |
  10584. SUPPORTED_Pause |
  10585. SUPPORTED_Asym_Pause);
  10586. break;
  10587. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10588. phy->media_type = ETH_PHY_KR;
  10589. phy->flags |= FLAGS_WC_DUAL_MODE;
  10590. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10591. SUPPORTED_FIBRE |
  10592. SUPPORTED_Pause |
  10593. SUPPORTED_Asym_Pause);
  10594. break;
  10595. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10596. phy->media_type = ETH_PHY_KR;
  10597. phy->flags |= FLAGS_WC_DUAL_MODE;
  10598. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10599. SUPPORTED_10000baseT_Full |
  10600. SUPPORTED_1000baseT_Full |
  10601. SUPPORTED_Autoneg |
  10602. SUPPORTED_FIBRE |
  10603. SUPPORTED_Pause |
  10604. SUPPORTED_Asym_Pause);
  10605. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10606. break;
  10607. default:
  10608. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10609. serdes_net_if);
  10610. break;
  10611. }
  10612. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10613. * was not set as expected. For B0, ECO will be enabled so there
  10614. * won't be an issue there
  10615. */
  10616. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10617. phy->flags |= FLAGS_MDC_MDIO_WA;
  10618. else
  10619. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10620. } else {
  10621. switch (switch_cfg) {
  10622. case SWITCH_CFG_1G:
  10623. phy_addr = REG_RD(bp,
  10624. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10625. port * 0x10);
  10626. *phy = phy_serdes;
  10627. break;
  10628. case SWITCH_CFG_10G:
  10629. phy_addr = REG_RD(bp,
  10630. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10631. port * 0x18);
  10632. *phy = phy_xgxs;
  10633. break;
  10634. default:
  10635. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10636. return -EINVAL;
  10637. }
  10638. }
  10639. phy->addr = (u8)phy_addr;
  10640. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10641. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10642. port);
  10643. if (CHIP_IS_E2(bp))
  10644. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10645. else
  10646. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10647. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10648. port, phy->addr, phy->mdio_ctrl);
  10649. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10650. return 0;
  10651. }
  10652. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10653. u8 phy_index,
  10654. u32 shmem_base,
  10655. u32 shmem2_base,
  10656. u8 port,
  10657. struct bnx2x_phy *phy)
  10658. {
  10659. u32 ext_phy_config, phy_type, config2;
  10660. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10661. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10662. phy_index, port);
  10663. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10664. /* Select the phy type */
  10665. switch (phy_type) {
  10666. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10667. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10668. *phy = phy_8073;
  10669. break;
  10670. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10671. *phy = phy_8705;
  10672. break;
  10673. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10674. *phy = phy_8706;
  10675. break;
  10676. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10677. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10678. *phy = phy_8726;
  10679. break;
  10680. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10681. /* BCM8727_NOC => BCM8727 no over current */
  10682. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10683. *phy = phy_8727;
  10684. phy->flags |= FLAGS_NOC;
  10685. break;
  10686. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10687. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10688. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10689. *phy = phy_8727;
  10690. break;
  10691. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10692. *phy = phy_8481;
  10693. break;
  10694. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10695. *phy = phy_84823;
  10696. break;
  10697. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10698. *phy = phy_84833;
  10699. break;
  10700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10701. *phy = phy_84834;
  10702. break;
  10703. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10704. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10705. *phy = phy_54618se;
  10706. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10707. phy->flags |= FLAGS_EEE;
  10708. break;
  10709. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10710. *phy = phy_7101;
  10711. break;
  10712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10713. *phy = phy_null;
  10714. return -EINVAL;
  10715. default:
  10716. *phy = phy_null;
  10717. /* In case external PHY wasn't found */
  10718. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10719. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10720. return -EINVAL;
  10721. return 0;
  10722. }
  10723. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10724. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10725. /* The shmem address of the phy version is located on different
  10726. * structures. In case this structure is too old, do not set
  10727. * the address
  10728. */
  10729. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10730. dev_info.shared_hw_config.config2));
  10731. if (phy_index == EXT_PHY1) {
  10732. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10733. port_mb[port].ext_phy_fw_version);
  10734. /* Check specific mdc mdio settings */
  10735. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10736. mdc_mdio_access = config2 &
  10737. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10738. } else {
  10739. u32 size = REG_RD(bp, shmem2_base);
  10740. if (size >
  10741. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10742. phy->ver_addr = shmem2_base +
  10743. offsetof(struct shmem2_region,
  10744. ext_phy_fw_version2[port]);
  10745. }
  10746. /* Check specific mdc mdio settings */
  10747. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10748. mdc_mdio_access = (config2 &
  10749. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10750. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10751. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10752. }
  10753. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10754. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10755. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10756. (phy->ver_addr)) {
  10757. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10758. * version lower than or equal to 1.39
  10759. */
  10760. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10761. if (((raw_ver & 0x7F) <= 39) &&
  10762. (((raw_ver & 0xF80) >> 7) <= 1))
  10763. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10764. SUPPORTED_100baseT_Full);
  10765. }
  10766. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10767. phy_type, port, phy_index);
  10768. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10769. phy->addr, phy->mdio_ctrl);
  10770. return 0;
  10771. }
  10772. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10773. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10774. {
  10775. int status = 0;
  10776. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10777. if (phy_index == INT_PHY)
  10778. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10779. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10780. port, phy);
  10781. return status;
  10782. }
  10783. static void bnx2x_phy_def_cfg(struct link_params *params,
  10784. struct bnx2x_phy *phy,
  10785. u8 phy_index)
  10786. {
  10787. struct bnx2x *bp = params->bp;
  10788. u32 link_config;
  10789. /* Populate the default phy configuration for MF mode */
  10790. if (phy_index == EXT_PHY2) {
  10791. link_config = REG_RD(bp, params->shmem_base +
  10792. offsetof(struct shmem_region, dev_info.
  10793. port_feature_config[params->port].link_config2));
  10794. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10795. offsetof(struct shmem_region,
  10796. dev_info.
  10797. port_hw_config[params->port].speed_capability_mask2));
  10798. } else {
  10799. link_config = REG_RD(bp, params->shmem_base +
  10800. offsetof(struct shmem_region, dev_info.
  10801. port_feature_config[params->port].link_config));
  10802. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10803. offsetof(struct shmem_region,
  10804. dev_info.
  10805. port_hw_config[params->port].speed_capability_mask));
  10806. }
  10807. DP(NETIF_MSG_LINK,
  10808. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10809. phy_index, link_config, phy->speed_cap_mask);
  10810. phy->req_duplex = DUPLEX_FULL;
  10811. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10812. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10813. phy->req_duplex = DUPLEX_HALF;
  10814. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10815. phy->req_line_speed = SPEED_10;
  10816. break;
  10817. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10818. phy->req_duplex = DUPLEX_HALF;
  10819. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10820. phy->req_line_speed = SPEED_100;
  10821. break;
  10822. case PORT_FEATURE_LINK_SPEED_1G:
  10823. phy->req_line_speed = SPEED_1000;
  10824. break;
  10825. case PORT_FEATURE_LINK_SPEED_2_5G:
  10826. phy->req_line_speed = SPEED_2500;
  10827. break;
  10828. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10829. phy->req_line_speed = SPEED_10000;
  10830. break;
  10831. default:
  10832. phy->req_line_speed = SPEED_AUTO_NEG;
  10833. break;
  10834. }
  10835. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10836. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10837. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10838. break;
  10839. case PORT_FEATURE_FLOW_CONTROL_TX:
  10840. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10841. break;
  10842. case PORT_FEATURE_FLOW_CONTROL_RX:
  10843. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10844. break;
  10845. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10846. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10847. break;
  10848. default:
  10849. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10850. break;
  10851. }
  10852. }
  10853. u32 bnx2x_phy_selection(struct link_params *params)
  10854. {
  10855. u32 phy_config_swapped, prio_cfg;
  10856. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10857. phy_config_swapped = params->multi_phy_config &
  10858. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10859. prio_cfg = params->multi_phy_config &
  10860. PORT_HW_CFG_PHY_SELECTION_MASK;
  10861. if (phy_config_swapped) {
  10862. switch (prio_cfg) {
  10863. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10864. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10865. break;
  10866. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10867. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10868. break;
  10869. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10870. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10871. break;
  10872. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10873. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10874. break;
  10875. }
  10876. } else
  10877. return_cfg = prio_cfg;
  10878. return return_cfg;
  10879. }
  10880. int bnx2x_phy_probe(struct link_params *params)
  10881. {
  10882. u8 phy_index, actual_phy_idx;
  10883. u32 phy_config_swapped, sync_offset, media_types;
  10884. struct bnx2x *bp = params->bp;
  10885. struct bnx2x_phy *phy;
  10886. params->num_phys = 0;
  10887. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10888. phy_config_swapped = params->multi_phy_config &
  10889. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10890. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10891. phy_index++) {
  10892. actual_phy_idx = phy_index;
  10893. if (phy_config_swapped) {
  10894. if (phy_index == EXT_PHY1)
  10895. actual_phy_idx = EXT_PHY2;
  10896. else if (phy_index == EXT_PHY2)
  10897. actual_phy_idx = EXT_PHY1;
  10898. }
  10899. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10900. " actual_phy_idx %x\n", phy_config_swapped,
  10901. phy_index, actual_phy_idx);
  10902. phy = &params->phy[actual_phy_idx];
  10903. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10904. params->shmem2_base, params->port,
  10905. phy) != 0) {
  10906. params->num_phys = 0;
  10907. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10908. phy_index);
  10909. for (phy_index = INT_PHY;
  10910. phy_index < MAX_PHYS;
  10911. phy_index++)
  10912. *phy = phy_null;
  10913. return -EINVAL;
  10914. }
  10915. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10916. break;
  10917. if (params->feature_config_flags &
  10918. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10919. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10920. if (!(params->feature_config_flags &
  10921. FEATURE_CONFIG_MT_SUPPORT))
  10922. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10923. sync_offset = params->shmem_base +
  10924. offsetof(struct shmem_region,
  10925. dev_info.port_hw_config[params->port].media_type);
  10926. media_types = REG_RD(bp, sync_offset);
  10927. /* Update media type for non-PMF sync only for the first time
  10928. * In case the media type changes afterwards, it will be updated
  10929. * using the update_status function
  10930. */
  10931. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10932. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10933. actual_phy_idx))) == 0) {
  10934. media_types |= ((phy->media_type &
  10935. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10936. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10937. actual_phy_idx));
  10938. }
  10939. REG_WR(bp, sync_offset, media_types);
  10940. bnx2x_phy_def_cfg(params, phy, phy_index);
  10941. params->num_phys++;
  10942. }
  10943. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10944. return 0;
  10945. }
  10946. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10947. struct link_vars *vars)
  10948. {
  10949. struct bnx2x *bp = params->bp;
  10950. vars->link_up = 1;
  10951. vars->line_speed = SPEED_10000;
  10952. vars->duplex = DUPLEX_FULL;
  10953. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10954. vars->mac_type = MAC_TYPE_BMAC;
  10955. vars->phy_flags = PHY_XGXS_FLAG;
  10956. bnx2x_xgxs_deassert(params);
  10957. /* Set bmac loopback */
  10958. bnx2x_bmac_enable(params, vars, 1, 1);
  10959. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10960. }
  10961. static void bnx2x_init_emac_loopback(struct link_params *params,
  10962. struct link_vars *vars)
  10963. {
  10964. struct bnx2x *bp = params->bp;
  10965. vars->link_up = 1;
  10966. vars->line_speed = SPEED_1000;
  10967. vars->duplex = DUPLEX_FULL;
  10968. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10969. vars->mac_type = MAC_TYPE_EMAC;
  10970. vars->phy_flags = PHY_XGXS_FLAG;
  10971. bnx2x_xgxs_deassert(params);
  10972. /* Set bmac loopback */
  10973. bnx2x_emac_enable(params, vars, 1);
  10974. bnx2x_emac_program(params, vars);
  10975. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10976. }
  10977. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10978. struct link_vars *vars)
  10979. {
  10980. struct bnx2x *bp = params->bp;
  10981. vars->link_up = 1;
  10982. if (!params->req_line_speed[0])
  10983. vars->line_speed = SPEED_10000;
  10984. else
  10985. vars->line_speed = params->req_line_speed[0];
  10986. vars->duplex = DUPLEX_FULL;
  10987. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10988. vars->mac_type = MAC_TYPE_XMAC;
  10989. vars->phy_flags = PHY_XGXS_FLAG;
  10990. /* Set WC to loopback mode since link is required to provide clock
  10991. * to the XMAC in 20G mode
  10992. */
  10993. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10994. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10995. params->phy[INT_PHY].config_loopback(
  10996. &params->phy[INT_PHY],
  10997. params);
  10998. bnx2x_xmac_enable(params, vars, 1);
  10999. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11000. }
  11001. static void bnx2x_init_umac_loopback(struct link_params *params,
  11002. struct link_vars *vars)
  11003. {
  11004. struct bnx2x *bp = params->bp;
  11005. vars->link_up = 1;
  11006. vars->line_speed = SPEED_1000;
  11007. vars->duplex = DUPLEX_FULL;
  11008. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11009. vars->mac_type = MAC_TYPE_UMAC;
  11010. vars->phy_flags = PHY_XGXS_FLAG;
  11011. bnx2x_umac_enable(params, vars, 1);
  11012. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11013. }
  11014. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11015. struct link_vars *vars)
  11016. {
  11017. struct bnx2x *bp = params->bp;
  11018. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11019. vars->link_up = 1;
  11020. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11021. vars->duplex = DUPLEX_FULL;
  11022. if (params->req_line_speed[0] == SPEED_1000)
  11023. vars->line_speed = SPEED_1000;
  11024. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11025. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11026. vars->line_speed = SPEED_20000;
  11027. else
  11028. vars->line_speed = SPEED_10000;
  11029. if (!USES_WARPCORE(bp))
  11030. bnx2x_xgxs_deassert(params);
  11031. bnx2x_link_initialize(params, vars);
  11032. if (params->req_line_speed[0] == SPEED_1000) {
  11033. if (USES_WARPCORE(bp))
  11034. bnx2x_umac_enable(params, vars, 0);
  11035. else {
  11036. bnx2x_emac_program(params, vars);
  11037. bnx2x_emac_enable(params, vars, 0);
  11038. }
  11039. } else {
  11040. if (USES_WARPCORE(bp))
  11041. bnx2x_xmac_enable(params, vars, 0);
  11042. else
  11043. bnx2x_bmac_enable(params, vars, 0, 1);
  11044. }
  11045. if (params->loopback_mode == LOOPBACK_XGXS) {
  11046. /* Set 10G XGXS loopback */
  11047. int_phy->config_loopback(int_phy, params);
  11048. } else {
  11049. /* Set external phy loopback */
  11050. u8 phy_index;
  11051. for (phy_index = EXT_PHY1;
  11052. phy_index < params->num_phys; phy_index++)
  11053. if (params->phy[phy_index].config_loopback)
  11054. params->phy[phy_index].config_loopback(
  11055. &params->phy[phy_index],
  11056. params);
  11057. }
  11058. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11059. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11060. }
  11061. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11062. {
  11063. struct bnx2x *bp = params->bp;
  11064. u8 val = en * 0x1F;
  11065. /* Open / close the gate between the NIG and the BRB */
  11066. if (!CHIP_IS_E1x(bp))
  11067. val |= en * 0x20;
  11068. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11069. if (!CHIP_IS_E1(bp)) {
  11070. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11071. en*0x3);
  11072. }
  11073. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11074. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11075. }
  11076. static int bnx2x_avoid_link_flap(struct link_params *params,
  11077. struct link_vars *vars)
  11078. {
  11079. u32 phy_idx;
  11080. u32 dont_clear_stat, lfa_sts;
  11081. struct bnx2x *bp = params->bp;
  11082. bnx2x_set_mdio_emac_per_phy(bp, params);
  11083. /* Sync the link parameters */
  11084. bnx2x_link_status_update(params, vars);
  11085. /*
  11086. * The module verification was already done by previous link owner,
  11087. * so this call is meant only to get warning message
  11088. */
  11089. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11090. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11091. if (phy->phy_specific_func) {
  11092. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11093. phy->phy_specific_func(phy, params, PHY_INIT);
  11094. }
  11095. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11096. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11097. (phy->media_type == ETH_PHY_DA_TWINAX))
  11098. bnx2x_verify_sfp_module(phy, params);
  11099. }
  11100. lfa_sts = REG_RD(bp, params->lfa_base +
  11101. offsetof(struct shmem_lfa,
  11102. lfa_sts));
  11103. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11104. /* Re-enable the NIG/MAC */
  11105. if (CHIP_IS_E3(bp)) {
  11106. if (!dont_clear_stat) {
  11107. REG_WR(bp, GRCBASE_MISC +
  11108. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11109. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11110. params->port));
  11111. REG_WR(bp, GRCBASE_MISC +
  11112. MISC_REGISTERS_RESET_REG_2_SET,
  11113. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11114. params->port));
  11115. }
  11116. if (vars->line_speed < SPEED_10000)
  11117. bnx2x_umac_enable(params, vars, 0);
  11118. else
  11119. bnx2x_xmac_enable(params, vars, 0);
  11120. } else {
  11121. if (vars->line_speed < SPEED_10000)
  11122. bnx2x_emac_enable(params, vars, 0);
  11123. else
  11124. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11125. }
  11126. /* Increment LFA count */
  11127. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11128. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11129. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11130. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11131. /* Clear link flap reason */
  11132. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11133. REG_WR(bp, params->lfa_base +
  11134. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11135. /* Disable NIG DRAIN */
  11136. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11137. /* Enable interrupts */
  11138. bnx2x_link_int_enable(params);
  11139. return 0;
  11140. }
  11141. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11142. struct link_vars *vars,
  11143. int lfa_status)
  11144. {
  11145. u32 lfa_sts, cfg_idx, tmp_val;
  11146. struct bnx2x *bp = params->bp;
  11147. bnx2x_link_reset(params, vars, 1);
  11148. if (!params->lfa_base)
  11149. return;
  11150. /* Store the new link parameters */
  11151. REG_WR(bp, params->lfa_base +
  11152. offsetof(struct shmem_lfa, req_duplex),
  11153. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11154. REG_WR(bp, params->lfa_base +
  11155. offsetof(struct shmem_lfa, req_flow_ctrl),
  11156. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11157. REG_WR(bp, params->lfa_base +
  11158. offsetof(struct shmem_lfa, req_line_speed),
  11159. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11160. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11161. REG_WR(bp, params->lfa_base +
  11162. offsetof(struct shmem_lfa,
  11163. speed_cap_mask[cfg_idx]),
  11164. params->speed_cap_mask[cfg_idx]);
  11165. }
  11166. tmp_val = REG_RD(bp, params->lfa_base +
  11167. offsetof(struct shmem_lfa, additional_config));
  11168. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11169. tmp_val |= params->req_fc_auto_adv;
  11170. REG_WR(bp, params->lfa_base +
  11171. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11172. lfa_sts = REG_RD(bp, params->lfa_base +
  11173. offsetof(struct shmem_lfa, lfa_sts));
  11174. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11175. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11176. /* Set link flap reason */
  11177. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11178. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11179. LFA_LINK_FLAP_REASON_OFFSET);
  11180. /* Increment link flap counter */
  11181. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11182. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11183. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11184. << LINK_FLAP_COUNT_OFFSET));
  11185. REG_WR(bp, params->lfa_base +
  11186. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11187. /* Proceed with regular link initialization */
  11188. }
  11189. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11190. {
  11191. int lfa_status;
  11192. struct bnx2x *bp = params->bp;
  11193. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11194. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11195. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11196. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11197. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11198. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11199. vars->link_status = 0;
  11200. vars->phy_link_up = 0;
  11201. vars->link_up = 0;
  11202. vars->line_speed = 0;
  11203. vars->duplex = DUPLEX_FULL;
  11204. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11205. vars->mac_type = MAC_TYPE_NONE;
  11206. vars->phy_flags = 0;
  11207. vars->check_kr2_recovery_cnt = 0;
  11208. params->link_flags = PHY_INITIALIZED;
  11209. /* Driver opens NIG-BRB filters */
  11210. bnx2x_set_rx_filter(params, 1);
  11211. /* Check if link flap can be avoided */
  11212. lfa_status = bnx2x_check_lfa(params);
  11213. if (lfa_status == 0) {
  11214. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11215. return bnx2x_avoid_link_flap(params, vars);
  11216. }
  11217. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11218. lfa_status);
  11219. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11220. /* Disable attentions */
  11221. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11222. (NIG_MASK_XGXS0_LINK_STATUS |
  11223. NIG_MASK_XGXS0_LINK10G |
  11224. NIG_MASK_SERDES0_LINK_STATUS |
  11225. NIG_MASK_MI_INT));
  11226. bnx2x_emac_init(params, vars);
  11227. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11228. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11229. if (params->num_phys == 0) {
  11230. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11231. return -EINVAL;
  11232. }
  11233. set_phy_vars(params, vars);
  11234. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11235. switch (params->loopback_mode) {
  11236. case LOOPBACK_BMAC:
  11237. bnx2x_init_bmac_loopback(params, vars);
  11238. break;
  11239. case LOOPBACK_EMAC:
  11240. bnx2x_init_emac_loopback(params, vars);
  11241. break;
  11242. case LOOPBACK_XMAC:
  11243. bnx2x_init_xmac_loopback(params, vars);
  11244. break;
  11245. case LOOPBACK_UMAC:
  11246. bnx2x_init_umac_loopback(params, vars);
  11247. break;
  11248. case LOOPBACK_XGXS:
  11249. case LOOPBACK_EXT_PHY:
  11250. bnx2x_init_xgxs_loopback(params, vars);
  11251. break;
  11252. default:
  11253. if (!CHIP_IS_E3(bp)) {
  11254. if (params->switch_cfg == SWITCH_CFG_10G)
  11255. bnx2x_xgxs_deassert(params);
  11256. else
  11257. bnx2x_serdes_deassert(bp, params->port);
  11258. }
  11259. bnx2x_link_initialize(params, vars);
  11260. msleep(30);
  11261. bnx2x_link_int_enable(params);
  11262. break;
  11263. }
  11264. bnx2x_update_mng(params, vars->link_status);
  11265. bnx2x_update_mng_eee(params, vars->eee_status);
  11266. return 0;
  11267. }
  11268. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11269. u8 reset_ext_phy)
  11270. {
  11271. struct bnx2x *bp = params->bp;
  11272. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11273. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11274. /* Disable attentions */
  11275. vars->link_status = 0;
  11276. bnx2x_update_mng(params, vars->link_status);
  11277. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11278. SHMEM_EEE_ACTIVE_BIT);
  11279. bnx2x_update_mng_eee(params, vars->eee_status);
  11280. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11281. (NIG_MASK_XGXS0_LINK_STATUS |
  11282. NIG_MASK_XGXS0_LINK10G |
  11283. NIG_MASK_SERDES0_LINK_STATUS |
  11284. NIG_MASK_MI_INT));
  11285. /* Activate nig drain */
  11286. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11287. /* Disable nig egress interface */
  11288. if (!CHIP_IS_E3(bp)) {
  11289. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11290. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11291. }
  11292. if (!CHIP_IS_E3(bp)) {
  11293. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11294. } else {
  11295. bnx2x_set_xmac_rxtx(params, 0);
  11296. bnx2x_set_umac_rxtx(params, 0);
  11297. }
  11298. /* Disable emac */
  11299. if (!CHIP_IS_E3(bp))
  11300. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11301. usleep_range(10000, 20000);
  11302. /* The PHY reset is controlled by GPIO 1
  11303. * Hold it as vars low
  11304. */
  11305. /* Clear link led */
  11306. bnx2x_set_mdio_emac_per_phy(bp, params);
  11307. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11308. if (reset_ext_phy) {
  11309. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11310. phy_index++) {
  11311. if (params->phy[phy_index].link_reset) {
  11312. bnx2x_set_aer_mmd(params,
  11313. &params->phy[phy_index]);
  11314. params->phy[phy_index].link_reset(
  11315. &params->phy[phy_index],
  11316. params);
  11317. }
  11318. if (params->phy[phy_index].flags &
  11319. FLAGS_REARM_LATCH_SIGNAL)
  11320. clear_latch_ind = 1;
  11321. }
  11322. }
  11323. if (clear_latch_ind) {
  11324. /* Clear latching indication */
  11325. bnx2x_rearm_latch_signal(bp, port, 0);
  11326. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11327. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11328. }
  11329. if (params->phy[INT_PHY].link_reset)
  11330. params->phy[INT_PHY].link_reset(
  11331. &params->phy[INT_PHY], params);
  11332. /* Disable nig ingress interface */
  11333. if (!CHIP_IS_E3(bp)) {
  11334. /* Reset BigMac */
  11335. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11336. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11337. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11338. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11339. } else {
  11340. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11341. bnx2x_set_xumac_nig(params, 0, 0);
  11342. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11343. MISC_REGISTERS_RESET_REG_2_XMAC)
  11344. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11345. XMAC_CTRL_REG_SOFT_RESET);
  11346. }
  11347. vars->link_up = 0;
  11348. vars->phy_flags = 0;
  11349. return 0;
  11350. }
  11351. int bnx2x_lfa_reset(struct link_params *params,
  11352. struct link_vars *vars)
  11353. {
  11354. struct bnx2x *bp = params->bp;
  11355. vars->link_up = 0;
  11356. vars->phy_flags = 0;
  11357. params->link_flags &= ~PHY_INITIALIZED;
  11358. if (!params->lfa_base)
  11359. return bnx2x_link_reset(params, vars, 1);
  11360. /*
  11361. * Activate NIG drain so that during this time the device won't send
  11362. * anything while it is unable to response.
  11363. */
  11364. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11365. /*
  11366. * Close gracefully the gate from BMAC to NIG such that no half packets
  11367. * are passed.
  11368. */
  11369. if (!CHIP_IS_E3(bp))
  11370. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11371. if (CHIP_IS_E3(bp)) {
  11372. bnx2x_set_xmac_rxtx(params, 0);
  11373. bnx2x_set_umac_rxtx(params, 0);
  11374. }
  11375. /* Wait 10ms for the pipe to clean up*/
  11376. usleep_range(10000, 20000);
  11377. /* Clean the NIG-BRB using the network filters in a way that will
  11378. * not cut a packet in the middle.
  11379. */
  11380. bnx2x_set_rx_filter(params, 0);
  11381. /*
  11382. * Re-open the gate between the BMAC and the NIG, after verifying the
  11383. * gate to the BRB is closed, otherwise packets may arrive to the
  11384. * firmware before driver had initialized it. The target is to achieve
  11385. * minimum management protocol down time.
  11386. */
  11387. if (!CHIP_IS_E3(bp))
  11388. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11389. if (CHIP_IS_E3(bp)) {
  11390. bnx2x_set_xmac_rxtx(params, 1);
  11391. bnx2x_set_umac_rxtx(params, 1);
  11392. }
  11393. /* Disable NIG drain */
  11394. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11395. return 0;
  11396. }
  11397. /****************************************************************************/
  11398. /* Common function */
  11399. /****************************************************************************/
  11400. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11401. u32 shmem_base_path[],
  11402. u32 shmem2_base_path[], u8 phy_index,
  11403. u32 chip_id)
  11404. {
  11405. struct bnx2x_phy phy[PORT_MAX];
  11406. struct bnx2x_phy *phy_blk[PORT_MAX];
  11407. u16 val;
  11408. s8 port = 0;
  11409. s8 port_of_path = 0;
  11410. u32 swap_val, swap_override;
  11411. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11412. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11413. port ^= (swap_val && swap_override);
  11414. bnx2x_ext_phy_hw_reset(bp, port);
  11415. /* PART1 - Reset both phys */
  11416. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11417. u32 shmem_base, shmem2_base;
  11418. /* In E2, same phy is using for port0 of the two paths */
  11419. if (CHIP_IS_E1x(bp)) {
  11420. shmem_base = shmem_base_path[0];
  11421. shmem2_base = shmem2_base_path[0];
  11422. port_of_path = port;
  11423. } else {
  11424. shmem_base = shmem_base_path[port];
  11425. shmem2_base = shmem2_base_path[port];
  11426. port_of_path = 0;
  11427. }
  11428. /* Extract the ext phy address for the port */
  11429. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11430. port_of_path, &phy[port]) !=
  11431. 0) {
  11432. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11433. return -EINVAL;
  11434. }
  11435. /* Disable attentions */
  11436. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11437. port_of_path*4,
  11438. (NIG_MASK_XGXS0_LINK_STATUS |
  11439. NIG_MASK_XGXS0_LINK10G |
  11440. NIG_MASK_SERDES0_LINK_STATUS |
  11441. NIG_MASK_MI_INT));
  11442. /* Need to take the phy out of low power mode in order
  11443. * to write to access its registers
  11444. */
  11445. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11446. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11447. port);
  11448. /* Reset the phy */
  11449. bnx2x_cl45_write(bp, &phy[port],
  11450. MDIO_PMA_DEVAD,
  11451. MDIO_PMA_REG_CTRL,
  11452. 1<<15);
  11453. }
  11454. /* Add delay of 150ms after reset */
  11455. msleep(150);
  11456. if (phy[PORT_0].addr & 0x1) {
  11457. phy_blk[PORT_0] = &(phy[PORT_1]);
  11458. phy_blk[PORT_1] = &(phy[PORT_0]);
  11459. } else {
  11460. phy_blk[PORT_0] = &(phy[PORT_0]);
  11461. phy_blk[PORT_1] = &(phy[PORT_1]);
  11462. }
  11463. /* PART2 - Download firmware to both phys */
  11464. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11465. if (CHIP_IS_E1x(bp))
  11466. port_of_path = port;
  11467. else
  11468. port_of_path = 0;
  11469. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11470. phy_blk[port]->addr);
  11471. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11472. port_of_path))
  11473. return -EINVAL;
  11474. /* Only set bit 10 = 1 (Tx power down) */
  11475. bnx2x_cl45_read(bp, phy_blk[port],
  11476. MDIO_PMA_DEVAD,
  11477. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11478. /* Phase1 of TX_POWER_DOWN reset */
  11479. bnx2x_cl45_write(bp, phy_blk[port],
  11480. MDIO_PMA_DEVAD,
  11481. MDIO_PMA_REG_TX_POWER_DOWN,
  11482. (val | 1<<10));
  11483. }
  11484. /* Toggle Transmitter: Power down and then up with 600ms delay
  11485. * between
  11486. */
  11487. msleep(600);
  11488. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11489. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11490. /* Phase2 of POWER_DOWN_RESET */
  11491. /* Release bit 10 (Release Tx power down) */
  11492. bnx2x_cl45_read(bp, phy_blk[port],
  11493. MDIO_PMA_DEVAD,
  11494. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11495. bnx2x_cl45_write(bp, phy_blk[port],
  11496. MDIO_PMA_DEVAD,
  11497. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11498. usleep_range(15000, 30000);
  11499. /* Read modify write the SPI-ROM version select register */
  11500. bnx2x_cl45_read(bp, phy_blk[port],
  11501. MDIO_PMA_DEVAD,
  11502. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11503. bnx2x_cl45_write(bp, phy_blk[port],
  11504. MDIO_PMA_DEVAD,
  11505. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11506. /* set GPIO2 back to LOW */
  11507. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11508. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11509. }
  11510. return 0;
  11511. }
  11512. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11513. u32 shmem_base_path[],
  11514. u32 shmem2_base_path[], u8 phy_index,
  11515. u32 chip_id)
  11516. {
  11517. u32 val;
  11518. s8 port;
  11519. struct bnx2x_phy phy;
  11520. /* Use port1 because of the static port-swap */
  11521. /* Enable the module detection interrupt */
  11522. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11523. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11524. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11525. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11526. bnx2x_ext_phy_hw_reset(bp, 0);
  11527. usleep_range(5000, 10000);
  11528. for (port = 0; port < PORT_MAX; port++) {
  11529. u32 shmem_base, shmem2_base;
  11530. /* In E2, same phy is using for port0 of the two paths */
  11531. if (CHIP_IS_E1x(bp)) {
  11532. shmem_base = shmem_base_path[0];
  11533. shmem2_base = shmem2_base_path[0];
  11534. } else {
  11535. shmem_base = shmem_base_path[port];
  11536. shmem2_base = shmem2_base_path[port];
  11537. }
  11538. /* Extract the ext phy address for the port */
  11539. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11540. port, &phy) !=
  11541. 0) {
  11542. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11543. return -EINVAL;
  11544. }
  11545. /* Reset phy*/
  11546. bnx2x_cl45_write(bp, &phy,
  11547. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11548. /* Set fault module detected LED on */
  11549. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11550. MISC_REGISTERS_GPIO_HIGH,
  11551. port);
  11552. }
  11553. return 0;
  11554. }
  11555. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11556. u8 *io_gpio, u8 *io_port)
  11557. {
  11558. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11559. offsetof(struct shmem_region,
  11560. dev_info.port_hw_config[PORT_0].default_cfg));
  11561. switch (phy_gpio_reset) {
  11562. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11563. *io_gpio = 0;
  11564. *io_port = 0;
  11565. break;
  11566. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11567. *io_gpio = 1;
  11568. *io_port = 0;
  11569. break;
  11570. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11571. *io_gpio = 2;
  11572. *io_port = 0;
  11573. break;
  11574. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11575. *io_gpio = 3;
  11576. *io_port = 0;
  11577. break;
  11578. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11579. *io_gpio = 0;
  11580. *io_port = 1;
  11581. break;
  11582. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11583. *io_gpio = 1;
  11584. *io_port = 1;
  11585. break;
  11586. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11587. *io_gpio = 2;
  11588. *io_port = 1;
  11589. break;
  11590. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11591. *io_gpio = 3;
  11592. *io_port = 1;
  11593. break;
  11594. default:
  11595. /* Don't override the io_gpio and io_port */
  11596. break;
  11597. }
  11598. }
  11599. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11600. u32 shmem_base_path[],
  11601. u32 shmem2_base_path[], u8 phy_index,
  11602. u32 chip_id)
  11603. {
  11604. s8 port, reset_gpio;
  11605. u32 swap_val, swap_override;
  11606. struct bnx2x_phy phy[PORT_MAX];
  11607. struct bnx2x_phy *phy_blk[PORT_MAX];
  11608. s8 port_of_path;
  11609. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11610. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11611. reset_gpio = MISC_REGISTERS_GPIO_1;
  11612. port = 1;
  11613. /* Retrieve the reset gpio/port which control the reset.
  11614. * Default is GPIO1, PORT1
  11615. */
  11616. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11617. (u8 *)&reset_gpio, (u8 *)&port);
  11618. /* Calculate the port based on port swap */
  11619. port ^= (swap_val && swap_override);
  11620. /* Initiate PHY reset*/
  11621. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11622. port);
  11623. usleep_range(1000, 2000);
  11624. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11625. port);
  11626. usleep_range(5000, 10000);
  11627. /* PART1 - Reset both phys */
  11628. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11629. u32 shmem_base, shmem2_base;
  11630. /* In E2, same phy is using for port0 of the two paths */
  11631. if (CHIP_IS_E1x(bp)) {
  11632. shmem_base = shmem_base_path[0];
  11633. shmem2_base = shmem2_base_path[0];
  11634. port_of_path = port;
  11635. } else {
  11636. shmem_base = shmem_base_path[port];
  11637. shmem2_base = shmem2_base_path[port];
  11638. port_of_path = 0;
  11639. }
  11640. /* Extract the ext phy address for the port */
  11641. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11642. port_of_path, &phy[port]) !=
  11643. 0) {
  11644. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11645. return -EINVAL;
  11646. }
  11647. /* disable attentions */
  11648. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11649. port_of_path*4,
  11650. (NIG_MASK_XGXS0_LINK_STATUS |
  11651. NIG_MASK_XGXS0_LINK10G |
  11652. NIG_MASK_SERDES0_LINK_STATUS |
  11653. NIG_MASK_MI_INT));
  11654. /* Reset the phy */
  11655. bnx2x_cl45_write(bp, &phy[port],
  11656. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11657. }
  11658. /* Add delay of 150ms after reset */
  11659. msleep(150);
  11660. if (phy[PORT_0].addr & 0x1) {
  11661. phy_blk[PORT_0] = &(phy[PORT_1]);
  11662. phy_blk[PORT_1] = &(phy[PORT_0]);
  11663. } else {
  11664. phy_blk[PORT_0] = &(phy[PORT_0]);
  11665. phy_blk[PORT_1] = &(phy[PORT_1]);
  11666. }
  11667. /* PART2 - Download firmware to both phys */
  11668. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11669. if (CHIP_IS_E1x(bp))
  11670. port_of_path = port;
  11671. else
  11672. port_of_path = 0;
  11673. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11674. phy_blk[port]->addr);
  11675. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11676. port_of_path))
  11677. return -EINVAL;
  11678. /* Disable PHY transmitter output */
  11679. bnx2x_cl45_write(bp, phy_blk[port],
  11680. MDIO_PMA_DEVAD,
  11681. MDIO_PMA_REG_TX_DISABLE, 1);
  11682. }
  11683. return 0;
  11684. }
  11685. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11686. u32 shmem_base_path[],
  11687. u32 shmem2_base_path[],
  11688. u8 phy_index,
  11689. u32 chip_id)
  11690. {
  11691. u8 reset_gpios;
  11692. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11693. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11694. udelay(10);
  11695. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11696. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11697. reset_gpios);
  11698. return 0;
  11699. }
  11700. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11701. u32 shmem2_base_path[], u8 phy_index,
  11702. u32 ext_phy_type, u32 chip_id)
  11703. {
  11704. int rc = 0;
  11705. switch (ext_phy_type) {
  11706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11707. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11708. shmem2_base_path,
  11709. phy_index, chip_id);
  11710. break;
  11711. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11714. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11715. shmem2_base_path,
  11716. phy_index, chip_id);
  11717. break;
  11718. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11719. /* GPIO1 affects both ports, so there's need to pull
  11720. * it for single port alone
  11721. */
  11722. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11723. shmem2_base_path,
  11724. phy_index, chip_id);
  11725. break;
  11726. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11727. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11728. /* GPIO3's are linked, and so both need to be toggled
  11729. * to obtain required 2us pulse.
  11730. */
  11731. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11732. shmem2_base_path,
  11733. phy_index, chip_id);
  11734. break;
  11735. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11736. rc = -EINVAL;
  11737. break;
  11738. default:
  11739. DP(NETIF_MSG_LINK,
  11740. "ext_phy 0x%x common init not required\n",
  11741. ext_phy_type);
  11742. break;
  11743. }
  11744. if (rc)
  11745. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11746. " Port %d\n",
  11747. 0);
  11748. return rc;
  11749. }
  11750. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11751. u32 shmem2_base_path[], u32 chip_id)
  11752. {
  11753. int rc = 0;
  11754. u32 phy_ver, val;
  11755. u8 phy_index = 0;
  11756. u32 ext_phy_type, ext_phy_config;
  11757. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11758. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11759. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11760. if (CHIP_IS_E3(bp)) {
  11761. /* Enable EPIO */
  11762. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11763. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11764. }
  11765. /* Check if common init was already done */
  11766. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11767. offsetof(struct shmem_region,
  11768. port_mb[PORT_0].ext_phy_fw_version));
  11769. if (phy_ver) {
  11770. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11771. phy_ver);
  11772. return 0;
  11773. }
  11774. /* Read the ext_phy_type for arbitrary port(0) */
  11775. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11776. phy_index++) {
  11777. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11778. shmem_base_path[0],
  11779. phy_index, 0);
  11780. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11781. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11782. shmem2_base_path,
  11783. phy_index, ext_phy_type,
  11784. chip_id);
  11785. }
  11786. return rc;
  11787. }
  11788. static void bnx2x_check_over_curr(struct link_params *params,
  11789. struct link_vars *vars)
  11790. {
  11791. struct bnx2x *bp = params->bp;
  11792. u32 cfg_pin;
  11793. u8 port = params->port;
  11794. u32 pin_val;
  11795. cfg_pin = (REG_RD(bp, params->shmem_base +
  11796. offsetof(struct shmem_region,
  11797. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11798. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11799. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11800. /* Ignore check if no external input PIN available */
  11801. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11802. return;
  11803. if (!pin_val) {
  11804. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11805. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11806. " been detected and the power to "
  11807. "that SFP+ module has been removed"
  11808. " to prevent failure of the card."
  11809. " Please remove the SFP+ module and"
  11810. " restart the system to clear this"
  11811. " error.\n",
  11812. params->port);
  11813. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11814. bnx2x_warpcore_power_module(params, 0);
  11815. }
  11816. } else
  11817. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11818. }
  11819. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11820. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11821. struct link_vars *vars, u32 status,
  11822. u32 phy_flag, u32 link_flag, u8 notify)
  11823. {
  11824. struct bnx2x *bp = params->bp;
  11825. /* Compare new value with previous value */
  11826. u8 led_mode;
  11827. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11828. if ((status ^ old_status) == 0)
  11829. return 0;
  11830. /* If values differ */
  11831. switch (phy_flag) {
  11832. case PHY_HALF_OPEN_CONN_FLAG:
  11833. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11834. break;
  11835. case PHY_SFP_TX_FAULT_FLAG:
  11836. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11837. break;
  11838. default:
  11839. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11840. }
  11841. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11842. old_status, status);
  11843. /* Do not touch the link in case physical link down */
  11844. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11845. return 1;
  11846. /* a. Update shmem->link_status accordingly
  11847. * b. Update link_vars->link_up
  11848. */
  11849. if (status) {
  11850. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11851. vars->link_status |= link_flag;
  11852. vars->link_up = 0;
  11853. vars->phy_flags |= phy_flag;
  11854. /* activate nig drain */
  11855. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11856. /* Set LED mode to off since the PHY doesn't know about these
  11857. * errors
  11858. */
  11859. led_mode = LED_MODE_OFF;
  11860. } else {
  11861. vars->link_status |= LINK_STATUS_LINK_UP;
  11862. vars->link_status &= ~link_flag;
  11863. vars->link_up = 1;
  11864. vars->phy_flags &= ~phy_flag;
  11865. led_mode = LED_MODE_OPER;
  11866. /* Clear nig drain */
  11867. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11868. }
  11869. bnx2x_sync_link(params, vars);
  11870. /* Update the LED according to the link state */
  11871. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11872. /* Update link status in the shared memory */
  11873. bnx2x_update_mng(params, vars->link_status);
  11874. /* C. Trigger General Attention */
  11875. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11876. if (notify)
  11877. bnx2x_notify_link_changed(bp);
  11878. return 1;
  11879. }
  11880. /******************************************************************************
  11881. * Description:
  11882. * This function checks for half opened connection change indication.
  11883. * When such change occurs, it calls the bnx2x_analyze_link_error
  11884. * to check if Remote Fault is set or cleared. Reception of remote fault
  11885. * status message in the MAC indicates that the peer's MAC has detected
  11886. * a fault, for example, due to break in the TX side of fiber.
  11887. *
  11888. ******************************************************************************/
  11889. static int bnx2x_check_half_open_conn(struct link_params *params,
  11890. struct link_vars *vars,
  11891. u8 notify)
  11892. {
  11893. struct bnx2x *bp = params->bp;
  11894. u32 lss_status = 0;
  11895. u32 mac_base;
  11896. /* In case link status is physically up @ 10G do */
  11897. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11898. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11899. return 0;
  11900. if (CHIP_IS_E3(bp) &&
  11901. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11902. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11903. /* Check E3 XMAC */
  11904. /* Note that link speed cannot be queried here, since it may be
  11905. * zero while link is down. In case UMAC is active, LSS will
  11906. * simply not be set
  11907. */
  11908. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11909. /* Clear stick bits (Requires rising edge) */
  11910. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11911. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11912. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11913. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11914. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11915. lss_status = 1;
  11916. bnx2x_analyze_link_error(params, vars, lss_status,
  11917. PHY_HALF_OPEN_CONN_FLAG,
  11918. LINK_STATUS_NONE, notify);
  11919. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11920. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11921. /* Check E1X / E2 BMAC */
  11922. u32 lss_status_reg;
  11923. u32 wb_data[2];
  11924. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11925. NIG_REG_INGRESS_BMAC0_MEM;
  11926. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11927. if (CHIP_IS_E2(bp))
  11928. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11929. else
  11930. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11931. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11932. lss_status = (wb_data[0] > 0);
  11933. bnx2x_analyze_link_error(params, vars, lss_status,
  11934. PHY_HALF_OPEN_CONN_FLAG,
  11935. LINK_STATUS_NONE, notify);
  11936. }
  11937. return 0;
  11938. }
  11939. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11940. struct link_params *params,
  11941. struct link_vars *vars)
  11942. {
  11943. struct bnx2x *bp = params->bp;
  11944. u32 cfg_pin, value = 0;
  11945. u8 led_change, port = params->port;
  11946. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11947. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11948. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11949. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11950. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11951. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11952. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11953. return;
  11954. }
  11955. led_change = bnx2x_analyze_link_error(params, vars, value,
  11956. PHY_SFP_TX_FAULT_FLAG,
  11957. LINK_STATUS_SFP_TX_FAULT, 1);
  11958. if (led_change) {
  11959. /* Change TX_Fault led, set link status for further syncs */
  11960. u8 led_mode;
  11961. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11962. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11963. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11964. } else {
  11965. led_mode = MISC_REGISTERS_GPIO_LOW;
  11966. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11967. }
  11968. /* If module is unapproved, led should be on regardless */
  11969. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11970. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11971. led_mode);
  11972. bnx2x_set_e3_module_fault_led(params, led_mode);
  11973. }
  11974. }
  11975. }
  11976. static void bnx2x_kr2_recovery(struct link_params *params,
  11977. struct link_vars *vars,
  11978. struct bnx2x_phy *phy)
  11979. {
  11980. struct bnx2x *bp = params->bp;
  11981. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11982. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11983. bnx2x_warpcore_restart_AN_KR(phy, params);
  11984. }
  11985. static void bnx2x_check_kr2_wa(struct link_params *params,
  11986. struct link_vars *vars,
  11987. struct bnx2x_phy *phy)
  11988. {
  11989. struct bnx2x *bp = params->bp;
  11990. u16 base_page, next_page, not_kr2_device, lane;
  11991. int sigdet;
  11992. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11993. * Since some switches tend to reinit the AN process and clear the
  11994. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11995. * and recovered many times
  11996. */
  11997. if (vars->check_kr2_recovery_cnt > 0) {
  11998. vars->check_kr2_recovery_cnt--;
  11999. return;
  12000. }
  12001. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  12002. if (!sigdet) {
  12003. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12004. bnx2x_kr2_recovery(params, vars, phy);
  12005. DP(NETIF_MSG_LINK, "No sigdet\n");
  12006. }
  12007. return;
  12008. }
  12009. lane = bnx2x_get_warpcore_lane(phy, params);
  12010. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12011. MDIO_AER_BLOCK_AER_REG, lane);
  12012. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12013. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12014. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12015. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12016. bnx2x_set_aer_mmd(params, phy);
  12017. /* CL73 has not begun yet */
  12018. if (base_page == 0) {
  12019. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12020. bnx2x_kr2_recovery(params, vars, phy);
  12021. DP(NETIF_MSG_LINK, "No BP\n");
  12022. }
  12023. return;
  12024. }
  12025. /* In case NP bit is not set in the BasePage, or it is set,
  12026. * but only KX is advertised, declare this link partner as non-KR2
  12027. * device.
  12028. */
  12029. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12030. (((base_page & 0x8000) &&
  12031. ((next_page & 0xe0) == 0x20))));
  12032. /* In case KR2 is already disabled, check if we need to re-enable it */
  12033. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12034. if (!not_kr2_device) {
  12035. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12036. next_page);
  12037. bnx2x_kr2_recovery(params, vars, phy);
  12038. }
  12039. return;
  12040. }
  12041. /* KR2 is enabled, but not KR2 device */
  12042. if (not_kr2_device) {
  12043. /* Disable KR2 on both lanes */
  12044. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12045. bnx2x_disable_kr2(params, vars, phy);
  12046. /* Restart AN on leading lane */
  12047. bnx2x_warpcore_restart_AN_KR(phy, params);
  12048. return;
  12049. }
  12050. }
  12051. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12052. {
  12053. u16 phy_idx;
  12054. struct bnx2x *bp = params->bp;
  12055. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12056. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12057. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12058. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12059. 0)
  12060. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12061. break;
  12062. }
  12063. }
  12064. if (CHIP_IS_E3(bp)) {
  12065. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12066. bnx2x_set_aer_mmd(params, phy);
  12067. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12068. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12069. bnx2x_check_kr2_wa(params, vars, phy);
  12070. bnx2x_check_over_curr(params, vars);
  12071. if (vars->rx_tx_asic_rst)
  12072. bnx2x_warpcore_config_runtime(phy, params, vars);
  12073. if ((REG_RD(bp, params->shmem_base +
  12074. offsetof(struct shmem_region, dev_info.
  12075. port_hw_config[params->port].default_cfg))
  12076. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12077. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12078. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12079. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12080. } else if (vars->link_status &
  12081. LINK_STATUS_SFP_TX_FAULT) {
  12082. /* Clean trail, interrupt corrects the leds */
  12083. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12084. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12085. /* Update link status in the shared memory */
  12086. bnx2x_update_mng(params, vars->link_status);
  12087. }
  12088. }
  12089. }
  12090. }
  12091. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12092. u32 shmem_base,
  12093. u32 shmem2_base,
  12094. u8 port)
  12095. {
  12096. u8 phy_index, fan_failure_det_req = 0;
  12097. struct bnx2x_phy phy;
  12098. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12099. phy_index++) {
  12100. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12101. port, &phy)
  12102. != 0) {
  12103. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12104. return 0;
  12105. }
  12106. fan_failure_det_req |= (phy.flags &
  12107. FLAGS_FAN_FAILURE_DET_REQ);
  12108. }
  12109. return fan_failure_det_req;
  12110. }
  12111. void bnx2x_hw_reset_phy(struct link_params *params)
  12112. {
  12113. u8 phy_index;
  12114. struct bnx2x *bp = params->bp;
  12115. bnx2x_update_mng(params, 0);
  12116. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12117. (NIG_MASK_XGXS0_LINK_STATUS |
  12118. NIG_MASK_XGXS0_LINK10G |
  12119. NIG_MASK_SERDES0_LINK_STATUS |
  12120. NIG_MASK_MI_INT));
  12121. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12122. phy_index++) {
  12123. if (params->phy[phy_index].hw_reset) {
  12124. params->phy[phy_index].hw_reset(
  12125. &params->phy[phy_index],
  12126. params);
  12127. params->phy[phy_index] = phy_null;
  12128. }
  12129. }
  12130. }
  12131. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12132. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12133. u8 port)
  12134. {
  12135. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12136. u32 val;
  12137. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12138. if (CHIP_IS_E3(bp)) {
  12139. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12140. shmem_base,
  12141. port,
  12142. &gpio_num,
  12143. &gpio_port) != 0)
  12144. return;
  12145. } else {
  12146. struct bnx2x_phy phy;
  12147. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12148. phy_index++) {
  12149. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12150. shmem2_base, port, &phy)
  12151. != 0) {
  12152. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12153. return;
  12154. }
  12155. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12156. gpio_num = MISC_REGISTERS_GPIO_3;
  12157. gpio_port = port;
  12158. break;
  12159. }
  12160. }
  12161. }
  12162. if (gpio_num == 0xff)
  12163. return;
  12164. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12165. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12166. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12167. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12168. gpio_port ^= (swap_val && swap_override);
  12169. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12170. (gpio_num + (gpio_port << 2));
  12171. sync_offset = shmem_base +
  12172. offsetof(struct shmem_region,
  12173. dev_info.port_hw_config[port].aeu_int_mask);
  12174. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12175. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12176. gpio_num, gpio_port, vars->aeu_int_mask);
  12177. if (port == 0)
  12178. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12179. else
  12180. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12181. /* Open appropriate AEU for interrupts */
  12182. aeu_mask = REG_RD(bp, offset);
  12183. aeu_mask |= vars->aeu_int_mask;
  12184. REG_WR(bp, offset, aeu_mask);
  12185. /* Enable the GPIO to trigger interrupt */
  12186. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12187. val |= 1 << (gpio_num + (gpio_port << 2));
  12188. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12189. }