bnx2x_link.c 399 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. int bnx2x_status = 0;
  1950. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1951. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1952. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1953. else
  1954. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1955. bnx2x_update_mng(params, vars->link_status);
  1956. /* Update NIG params */
  1957. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1958. if (!vars->link_up)
  1959. return bnx2x_status;
  1960. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1961. if (CHIP_IS_E3(bp)) {
  1962. if (vars->mac_type == MAC_TYPE_XMAC)
  1963. bnx2x_update_pfc_xmac(params, vars, 0);
  1964. } else {
  1965. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1966. if ((val &
  1967. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1968. == 0) {
  1969. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1970. bnx2x_emac_enable(params, vars, 0);
  1971. return bnx2x_status;
  1972. }
  1973. if (CHIP_IS_E2(bp))
  1974. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1975. else
  1976. bnx2x_update_pfc_bmac1(params, vars);
  1977. val = 0;
  1978. if ((params->feature_config_flags &
  1979. FEATURE_CONFIG_PFC_ENABLED) ||
  1980. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1981. val = 1;
  1982. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1983. }
  1984. return bnx2x_status;
  1985. }
  1986. static int bnx2x_bmac1_enable(struct link_params *params,
  1987. struct link_vars *vars,
  1988. u8 is_lb)
  1989. {
  1990. struct bnx2x *bp = params->bp;
  1991. u8 port = params->port;
  1992. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1993. NIG_REG_INGRESS_BMAC0_MEM;
  1994. u32 wb_data[2];
  1995. u32 val;
  1996. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  1997. /* XGXS control */
  1998. wb_data[0] = 0x3c;
  1999. wb_data[1] = 0;
  2000. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2001. wb_data, 2);
  2002. /* TX MAC SA */
  2003. wb_data[0] = ((params->mac_addr[2] << 24) |
  2004. (params->mac_addr[3] << 16) |
  2005. (params->mac_addr[4] << 8) |
  2006. params->mac_addr[5]);
  2007. wb_data[1] = ((params->mac_addr[0] << 8) |
  2008. params->mac_addr[1]);
  2009. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2010. /* MAC control */
  2011. val = 0x3;
  2012. if (is_lb) {
  2013. val |= 0x4;
  2014. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2015. }
  2016. wb_data[0] = val;
  2017. wb_data[1] = 0;
  2018. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2019. /* Set rx mtu */
  2020. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2021. wb_data[1] = 0;
  2022. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2023. bnx2x_update_pfc_bmac1(params, vars);
  2024. /* Set tx mtu */
  2025. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2026. wb_data[1] = 0;
  2027. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2028. /* Set cnt max size */
  2029. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2030. wb_data[1] = 0;
  2031. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2032. /* Configure SAFC */
  2033. wb_data[0] = 0x1000200;
  2034. wb_data[1] = 0;
  2035. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2036. wb_data, 2);
  2037. return 0;
  2038. }
  2039. static int bnx2x_bmac2_enable(struct link_params *params,
  2040. struct link_vars *vars,
  2041. u8 is_lb)
  2042. {
  2043. struct bnx2x *bp = params->bp;
  2044. u8 port = params->port;
  2045. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2046. NIG_REG_INGRESS_BMAC0_MEM;
  2047. u32 wb_data[2];
  2048. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2049. wb_data[0] = 0;
  2050. wb_data[1] = 0;
  2051. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2052. udelay(30);
  2053. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2054. wb_data[0] = 0x3c;
  2055. wb_data[1] = 0;
  2056. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2057. wb_data, 2);
  2058. udelay(30);
  2059. /* TX MAC SA */
  2060. wb_data[0] = ((params->mac_addr[2] << 24) |
  2061. (params->mac_addr[3] << 16) |
  2062. (params->mac_addr[4] << 8) |
  2063. params->mac_addr[5]);
  2064. wb_data[1] = ((params->mac_addr[0] << 8) |
  2065. params->mac_addr[1]);
  2066. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2067. wb_data, 2);
  2068. udelay(30);
  2069. /* Configure SAFC */
  2070. wb_data[0] = 0x1000200;
  2071. wb_data[1] = 0;
  2072. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2073. wb_data, 2);
  2074. udelay(30);
  2075. /* Set RX MTU */
  2076. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2077. wb_data[1] = 0;
  2078. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2079. udelay(30);
  2080. /* Set TX MTU */
  2081. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2082. wb_data[1] = 0;
  2083. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2084. udelay(30);
  2085. /* Set cnt max size */
  2086. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2087. wb_data[1] = 0;
  2088. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2089. udelay(30);
  2090. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2091. return 0;
  2092. }
  2093. static int bnx2x_bmac_enable(struct link_params *params,
  2094. struct link_vars *vars,
  2095. u8 is_lb, u8 reset_bmac)
  2096. {
  2097. int rc = 0;
  2098. u8 port = params->port;
  2099. struct bnx2x *bp = params->bp;
  2100. u32 val;
  2101. /* Reset and unreset the BigMac */
  2102. if (reset_bmac) {
  2103. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2104. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2105. usleep_range(1000, 2000);
  2106. }
  2107. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2108. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2109. /* Enable access for bmac registers */
  2110. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2111. /* Enable BMAC according to BMAC type*/
  2112. if (CHIP_IS_E2(bp))
  2113. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2114. else
  2115. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2116. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2117. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2118. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2119. val = 0;
  2120. if ((params->feature_config_flags &
  2121. FEATURE_CONFIG_PFC_ENABLED) ||
  2122. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2123. val = 1;
  2124. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2125. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2126. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2127. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2128. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2129. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2130. vars->mac_type = MAC_TYPE_BMAC;
  2131. return rc;
  2132. }
  2133. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2134. {
  2135. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2136. NIG_REG_INGRESS_BMAC0_MEM;
  2137. u32 wb_data[2];
  2138. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2139. if (CHIP_IS_E2(bp))
  2140. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2141. else
  2142. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2143. /* Only if the bmac is out of reset */
  2144. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2145. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2146. nig_bmac_enable) {
  2147. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2148. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2149. if (en)
  2150. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2151. else
  2152. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2153. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2154. usleep_range(1000, 2000);
  2155. }
  2156. }
  2157. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2158. u32 line_speed)
  2159. {
  2160. struct bnx2x *bp = params->bp;
  2161. u8 port = params->port;
  2162. u32 init_crd, crd;
  2163. u32 count = 1000;
  2164. /* Disable port */
  2165. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2166. /* Wait for init credit */
  2167. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2168. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2169. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2170. while ((init_crd != crd) && count) {
  2171. usleep_range(5000, 10000);
  2172. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2173. count--;
  2174. }
  2175. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2176. if (init_crd != crd) {
  2177. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2178. init_crd, crd);
  2179. return -EINVAL;
  2180. }
  2181. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2182. line_speed == SPEED_10 ||
  2183. line_speed == SPEED_100 ||
  2184. line_speed == SPEED_1000 ||
  2185. line_speed == SPEED_2500) {
  2186. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2187. /* Update threshold */
  2188. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2189. /* Update init credit */
  2190. init_crd = 778; /* (800-18-4) */
  2191. } else {
  2192. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2193. ETH_OVREHEAD)/16;
  2194. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2195. /* Update threshold */
  2196. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2197. /* Update init credit */
  2198. switch (line_speed) {
  2199. case SPEED_10000:
  2200. init_crd = thresh + 553 - 22;
  2201. break;
  2202. default:
  2203. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2204. line_speed);
  2205. return -EINVAL;
  2206. }
  2207. }
  2208. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2209. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2210. line_speed, init_crd);
  2211. /* Probe the credit changes */
  2212. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2213. usleep_range(5000, 10000);
  2214. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2215. /* Enable port */
  2216. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2217. return 0;
  2218. }
  2219. /**
  2220. * bnx2x_get_emac_base - retrive emac base address
  2221. *
  2222. * @bp: driver handle
  2223. * @mdc_mdio_access: access type
  2224. * @port: port id
  2225. *
  2226. * This function selects the MDC/MDIO access (through emac0 or
  2227. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2228. * phy has a default access mode, which could also be overridden
  2229. * by nvram configuration. This parameter, whether this is the
  2230. * default phy configuration, or the nvram overrun
  2231. * configuration, is passed here as mdc_mdio_access and selects
  2232. * the emac_base for the CL45 read/writes operations
  2233. */
  2234. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2235. u32 mdc_mdio_access, u8 port)
  2236. {
  2237. u32 emac_base = 0;
  2238. switch (mdc_mdio_access) {
  2239. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2240. break;
  2241. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2242. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2243. emac_base = GRCBASE_EMAC1;
  2244. else
  2245. emac_base = GRCBASE_EMAC0;
  2246. break;
  2247. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2248. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2249. emac_base = GRCBASE_EMAC0;
  2250. else
  2251. emac_base = GRCBASE_EMAC1;
  2252. break;
  2253. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2254. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2255. break;
  2256. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2257. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2258. break;
  2259. default:
  2260. break;
  2261. }
  2262. return emac_base;
  2263. }
  2264. /******************************************************************/
  2265. /* CL22 access functions */
  2266. /******************************************************************/
  2267. static int bnx2x_cl22_write(struct bnx2x *bp,
  2268. struct bnx2x_phy *phy,
  2269. u16 reg, u16 val)
  2270. {
  2271. u32 tmp, mode;
  2272. u8 i;
  2273. int rc = 0;
  2274. /* Switch to CL22 */
  2275. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2276. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2277. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2278. /* Address */
  2279. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2280. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2281. EMAC_MDIO_COMM_START_BUSY);
  2282. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2283. for (i = 0; i < 50; i++) {
  2284. udelay(10);
  2285. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2286. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2287. udelay(5);
  2288. break;
  2289. }
  2290. }
  2291. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2292. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2293. rc = -EFAULT;
  2294. }
  2295. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2296. return rc;
  2297. }
  2298. static int bnx2x_cl22_read(struct bnx2x *bp,
  2299. struct bnx2x_phy *phy,
  2300. u16 reg, u16 *ret_val)
  2301. {
  2302. u32 val, mode;
  2303. u16 i;
  2304. int rc = 0;
  2305. /* Switch to CL22 */
  2306. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2307. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2308. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2309. /* Address */
  2310. val = ((phy->addr << 21) | (reg << 16) |
  2311. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2312. EMAC_MDIO_COMM_START_BUSY);
  2313. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2314. for (i = 0; i < 50; i++) {
  2315. udelay(10);
  2316. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2317. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2318. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2319. udelay(5);
  2320. break;
  2321. }
  2322. }
  2323. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2324. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2325. *ret_val = 0;
  2326. rc = -EFAULT;
  2327. }
  2328. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2329. return rc;
  2330. }
  2331. /******************************************************************/
  2332. /* CL45 access functions */
  2333. /******************************************************************/
  2334. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2335. u8 devad, u16 reg, u16 *ret_val)
  2336. {
  2337. u32 val;
  2338. u16 i;
  2339. int rc = 0;
  2340. u32 chip_id;
  2341. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2342. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2343. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2344. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2345. }
  2346. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2347. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2348. EMAC_MDIO_STATUS_10MB);
  2349. /* Address */
  2350. val = ((phy->addr << 21) | (devad << 16) | reg |
  2351. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2352. EMAC_MDIO_COMM_START_BUSY);
  2353. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2354. for (i = 0; i < 50; i++) {
  2355. udelay(10);
  2356. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2357. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2358. udelay(5);
  2359. break;
  2360. }
  2361. }
  2362. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2363. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2364. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2365. *ret_val = 0;
  2366. rc = -EFAULT;
  2367. } else {
  2368. /* Data */
  2369. val = ((phy->addr << 21) | (devad << 16) |
  2370. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2371. EMAC_MDIO_COMM_START_BUSY);
  2372. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2373. for (i = 0; i < 50; i++) {
  2374. udelay(10);
  2375. val = REG_RD(bp, phy->mdio_ctrl +
  2376. EMAC_REG_EMAC_MDIO_COMM);
  2377. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2378. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2379. break;
  2380. }
  2381. }
  2382. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2383. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2384. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2385. *ret_val = 0;
  2386. rc = -EFAULT;
  2387. }
  2388. }
  2389. /* Work around for E3 A0 */
  2390. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2391. phy->flags ^= FLAGS_DUMMY_READ;
  2392. if (phy->flags & FLAGS_DUMMY_READ) {
  2393. u16 temp_val;
  2394. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2395. }
  2396. }
  2397. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2398. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2399. EMAC_MDIO_STATUS_10MB);
  2400. return rc;
  2401. }
  2402. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2403. u8 devad, u16 reg, u16 val)
  2404. {
  2405. u32 tmp;
  2406. u8 i;
  2407. int rc = 0;
  2408. u32 chip_id;
  2409. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2410. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2411. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2412. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2413. }
  2414. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2415. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2416. EMAC_MDIO_STATUS_10MB);
  2417. /* Address */
  2418. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2419. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2420. EMAC_MDIO_COMM_START_BUSY);
  2421. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2422. for (i = 0; i < 50; i++) {
  2423. udelay(10);
  2424. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2425. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2426. udelay(5);
  2427. break;
  2428. }
  2429. }
  2430. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2431. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2432. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2433. rc = -EFAULT;
  2434. } else {
  2435. /* Data */
  2436. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2437. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2438. EMAC_MDIO_COMM_START_BUSY);
  2439. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2440. for (i = 0; i < 50; i++) {
  2441. udelay(10);
  2442. tmp = REG_RD(bp, phy->mdio_ctrl +
  2443. EMAC_REG_EMAC_MDIO_COMM);
  2444. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2445. udelay(5);
  2446. break;
  2447. }
  2448. }
  2449. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2450. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2451. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2452. rc = -EFAULT;
  2453. }
  2454. }
  2455. /* Work around for E3 A0 */
  2456. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2457. phy->flags ^= FLAGS_DUMMY_READ;
  2458. if (phy->flags & FLAGS_DUMMY_READ) {
  2459. u16 temp_val;
  2460. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2461. }
  2462. }
  2463. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2464. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2465. EMAC_MDIO_STATUS_10MB);
  2466. return rc;
  2467. }
  2468. /******************************************************************/
  2469. /* EEE section */
  2470. /******************************************************************/
  2471. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2472. {
  2473. struct bnx2x *bp = params->bp;
  2474. if (REG_RD(bp, params->shmem2_base) <=
  2475. offsetof(struct shmem2_region, eee_status[params->port]))
  2476. return 0;
  2477. return 1;
  2478. }
  2479. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2480. {
  2481. switch (nvram_mode) {
  2482. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2483. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2484. break;
  2485. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2486. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2487. break;
  2488. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2489. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2490. break;
  2491. default:
  2492. *idle_timer = 0;
  2493. break;
  2494. }
  2495. return 0;
  2496. }
  2497. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2498. {
  2499. switch (idle_timer) {
  2500. case EEE_MODE_NVRAM_BALANCED_TIME:
  2501. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2502. break;
  2503. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2504. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2505. break;
  2506. case EEE_MODE_NVRAM_LATENCY_TIME:
  2507. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2508. break;
  2509. default:
  2510. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2511. break;
  2512. }
  2513. return 0;
  2514. }
  2515. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2516. {
  2517. u32 eee_mode, eee_idle;
  2518. struct bnx2x *bp = params->bp;
  2519. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2520. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2521. /* time value in eee_mode --> used directly*/
  2522. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2523. } else {
  2524. /* hsi value in eee_mode --> time */
  2525. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2526. EEE_MODE_NVRAM_MASK,
  2527. &eee_idle))
  2528. return 0;
  2529. }
  2530. } else {
  2531. /* hsi values in nvram --> time*/
  2532. eee_mode = ((REG_RD(bp, params->shmem_base +
  2533. offsetof(struct shmem_region, dev_info.
  2534. port_feature_config[params->port].
  2535. eee_power_mode)) &
  2536. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2537. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2538. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2539. return 0;
  2540. }
  2541. return eee_idle;
  2542. }
  2543. static int bnx2x_eee_set_timers(struct link_params *params,
  2544. struct link_vars *vars)
  2545. {
  2546. u32 eee_idle = 0, eee_mode;
  2547. struct bnx2x *bp = params->bp;
  2548. eee_idle = bnx2x_eee_calc_timer(params);
  2549. if (eee_idle) {
  2550. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2551. eee_idle);
  2552. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2553. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2554. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2555. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2556. return -EINVAL;
  2557. }
  2558. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2559. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2560. /* eee_idle in 1u --> eee_status in 16u */
  2561. eee_idle >>= 4;
  2562. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2563. SHMEM_EEE_TIME_OUTPUT_BIT;
  2564. } else {
  2565. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2566. return -EINVAL;
  2567. vars->eee_status |= eee_mode;
  2568. }
  2569. return 0;
  2570. }
  2571. static int bnx2x_eee_initial_config(struct link_params *params,
  2572. struct link_vars *vars, u8 mode)
  2573. {
  2574. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2575. /* Propogate params' bits --> vars (for migration exposure) */
  2576. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2577. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2578. else
  2579. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2580. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2581. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2582. else
  2583. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2584. return bnx2x_eee_set_timers(params, vars);
  2585. }
  2586. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2587. struct link_params *params,
  2588. struct link_vars *vars)
  2589. {
  2590. struct bnx2x *bp = params->bp;
  2591. /* Make Certain LPI is disabled */
  2592. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2593. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2594. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2595. return 0;
  2596. }
  2597. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2598. struct link_params *params,
  2599. struct link_vars *vars, u8 modes)
  2600. {
  2601. struct bnx2x *bp = params->bp;
  2602. u16 val = 0;
  2603. /* Mask events preventing LPI generation */
  2604. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2605. if (modes & SHMEM_EEE_10G_ADV) {
  2606. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2607. val |= 0x8;
  2608. }
  2609. if (modes & SHMEM_EEE_1G_ADV) {
  2610. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2611. val |= 0x4;
  2612. }
  2613. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2614. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2615. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2616. return 0;
  2617. }
  2618. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2619. {
  2620. struct bnx2x *bp = params->bp;
  2621. if (bnx2x_eee_has_cap(params))
  2622. REG_WR(bp, params->shmem2_base +
  2623. offsetof(struct shmem2_region,
  2624. eee_status[params->port]), eee_status);
  2625. }
  2626. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2627. struct link_params *params,
  2628. struct link_vars *vars)
  2629. {
  2630. struct bnx2x *bp = params->bp;
  2631. u16 adv = 0, lp = 0;
  2632. u32 lp_adv = 0;
  2633. u8 neg = 0;
  2634. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2635. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2636. if (lp & 0x2) {
  2637. lp_adv |= SHMEM_EEE_100M_ADV;
  2638. if (adv & 0x2) {
  2639. if (vars->line_speed == SPEED_100)
  2640. neg = 1;
  2641. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2642. }
  2643. }
  2644. if (lp & 0x14) {
  2645. lp_adv |= SHMEM_EEE_1G_ADV;
  2646. if (adv & 0x14) {
  2647. if (vars->line_speed == SPEED_1000)
  2648. neg = 1;
  2649. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2650. }
  2651. }
  2652. if (lp & 0x68) {
  2653. lp_adv |= SHMEM_EEE_10G_ADV;
  2654. if (adv & 0x68) {
  2655. if (vars->line_speed == SPEED_10000)
  2656. neg = 1;
  2657. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2658. }
  2659. }
  2660. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2661. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2662. if (neg) {
  2663. DP(NETIF_MSG_LINK, "EEE is active\n");
  2664. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2665. }
  2666. }
  2667. /******************************************************************/
  2668. /* BSC access functions from E3 */
  2669. /******************************************************************/
  2670. static void bnx2x_bsc_module_sel(struct link_params *params)
  2671. {
  2672. int idx;
  2673. u32 board_cfg, sfp_ctrl;
  2674. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2675. struct bnx2x *bp = params->bp;
  2676. u8 port = params->port;
  2677. /* Read I2C output PINs */
  2678. board_cfg = REG_RD(bp, params->shmem_base +
  2679. offsetof(struct shmem_region,
  2680. dev_info.shared_hw_config.board));
  2681. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2682. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2683. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2684. /* Read I2C output value */
  2685. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2686. offsetof(struct shmem_region,
  2687. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2688. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2689. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2690. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2691. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2692. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2693. }
  2694. static int bnx2x_bsc_read(struct link_params *params,
  2695. struct bnx2x *bp,
  2696. u8 sl_devid,
  2697. u16 sl_addr,
  2698. u8 lc_addr,
  2699. u8 xfer_cnt,
  2700. u32 *data_array)
  2701. {
  2702. u32 val, i;
  2703. int rc = 0;
  2704. if (xfer_cnt > 16) {
  2705. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2706. xfer_cnt);
  2707. return -EINVAL;
  2708. }
  2709. bnx2x_bsc_module_sel(params);
  2710. xfer_cnt = 16 - lc_addr;
  2711. /* Enable the engine */
  2712. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2713. val |= MCPR_IMC_COMMAND_ENABLE;
  2714. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2715. /* Program slave device ID */
  2716. val = (sl_devid << 16) | sl_addr;
  2717. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2718. /* Start xfer with 0 byte to update the address pointer ???*/
  2719. val = (MCPR_IMC_COMMAND_ENABLE) |
  2720. (MCPR_IMC_COMMAND_WRITE_OP <<
  2721. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2722. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2723. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2724. /* Poll for completion */
  2725. i = 0;
  2726. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2727. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2728. udelay(10);
  2729. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2730. if (i++ > 1000) {
  2731. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2732. i);
  2733. rc = -EFAULT;
  2734. break;
  2735. }
  2736. }
  2737. if (rc == -EFAULT)
  2738. return rc;
  2739. /* Start xfer with read op */
  2740. val = (MCPR_IMC_COMMAND_ENABLE) |
  2741. (MCPR_IMC_COMMAND_READ_OP <<
  2742. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2743. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2744. (xfer_cnt);
  2745. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2746. /* Poll for completion */
  2747. i = 0;
  2748. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2749. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2750. udelay(10);
  2751. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2752. if (i++ > 1000) {
  2753. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2754. rc = -EFAULT;
  2755. break;
  2756. }
  2757. }
  2758. if (rc == -EFAULT)
  2759. return rc;
  2760. for (i = (lc_addr >> 2); i < 4; i++) {
  2761. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2762. #ifdef __BIG_ENDIAN
  2763. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2764. ((data_array[i] & 0x0000ff00) << 8) |
  2765. ((data_array[i] & 0x00ff0000) >> 8) |
  2766. ((data_array[i] & 0xff000000) >> 24);
  2767. #endif
  2768. }
  2769. return rc;
  2770. }
  2771. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2772. u8 devad, u16 reg, u16 or_val)
  2773. {
  2774. u16 val;
  2775. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2776. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2777. }
  2778. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2779. struct bnx2x_phy *phy,
  2780. u8 devad, u16 reg, u16 and_val)
  2781. {
  2782. u16 val;
  2783. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2784. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2785. }
  2786. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2787. u8 devad, u16 reg, u16 *ret_val)
  2788. {
  2789. u8 phy_index;
  2790. /* Probe for the phy according to the given phy_addr, and execute
  2791. * the read request on it
  2792. */
  2793. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2794. if (params->phy[phy_index].addr == phy_addr) {
  2795. return bnx2x_cl45_read(params->bp,
  2796. &params->phy[phy_index], devad,
  2797. reg, ret_val);
  2798. }
  2799. }
  2800. return -EINVAL;
  2801. }
  2802. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2803. u8 devad, u16 reg, u16 val)
  2804. {
  2805. u8 phy_index;
  2806. /* Probe for the phy according to the given phy_addr, and execute
  2807. * the write request on it
  2808. */
  2809. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2810. if (params->phy[phy_index].addr == phy_addr) {
  2811. return bnx2x_cl45_write(params->bp,
  2812. &params->phy[phy_index], devad,
  2813. reg, val);
  2814. }
  2815. }
  2816. return -EINVAL;
  2817. }
  2818. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2819. struct link_params *params)
  2820. {
  2821. u8 lane = 0;
  2822. struct bnx2x *bp = params->bp;
  2823. u32 path_swap, path_swap_ovr;
  2824. u8 path, port;
  2825. path = BP_PATH(bp);
  2826. port = params->port;
  2827. if (bnx2x_is_4_port_mode(bp)) {
  2828. u32 port_swap, port_swap_ovr;
  2829. /* Figure out path swap value */
  2830. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2831. if (path_swap_ovr & 0x1)
  2832. path_swap = (path_swap_ovr & 0x2);
  2833. else
  2834. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2835. if (path_swap)
  2836. path = path ^ 1;
  2837. /* Figure out port swap value */
  2838. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2839. if (port_swap_ovr & 0x1)
  2840. port_swap = (port_swap_ovr & 0x2);
  2841. else
  2842. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2843. if (port_swap)
  2844. port = port ^ 1;
  2845. lane = (port<<1) + path;
  2846. } else { /* Two port mode - no port swap */
  2847. /* Figure out path swap value */
  2848. path_swap_ovr =
  2849. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2850. if (path_swap_ovr & 0x1) {
  2851. path_swap = (path_swap_ovr & 0x2);
  2852. } else {
  2853. path_swap =
  2854. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2855. }
  2856. if (path_swap)
  2857. path = path ^ 1;
  2858. lane = path << 1 ;
  2859. }
  2860. return lane;
  2861. }
  2862. static void bnx2x_set_aer_mmd(struct link_params *params,
  2863. struct bnx2x_phy *phy)
  2864. {
  2865. u32 ser_lane;
  2866. u16 offset, aer_val;
  2867. struct bnx2x *bp = params->bp;
  2868. ser_lane = ((params->lane_config &
  2869. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2870. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2871. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2872. (phy->addr + ser_lane) : 0;
  2873. if (USES_WARPCORE(bp)) {
  2874. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2875. /* In Dual-lane mode, two lanes are joined together,
  2876. * so in order to configure them, the AER broadcast method is
  2877. * used here.
  2878. * 0x200 is the broadcast address for lanes 0,1
  2879. * 0x201 is the broadcast address for lanes 2,3
  2880. */
  2881. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2882. aer_val = (aer_val >> 1) | 0x200;
  2883. } else if (CHIP_IS_E2(bp))
  2884. aer_val = 0x3800 + offset - 1;
  2885. else
  2886. aer_val = 0x3800 + offset;
  2887. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2888. MDIO_AER_BLOCK_AER_REG, aer_val);
  2889. }
  2890. /******************************************************************/
  2891. /* Internal phy section */
  2892. /******************************************************************/
  2893. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2894. {
  2895. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2896. /* Set Clause 22 */
  2897. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2898. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2899. udelay(500);
  2900. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2901. udelay(500);
  2902. /* Set Clause 45 */
  2903. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2904. }
  2905. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2906. {
  2907. u32 val;
  2908. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2909. val = SERDES_RESET_BITS << (port*16);
  2910. /* Reset and unreset the SerDes/XGXS */
  2911. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2912. udelay(500);
  2913. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2914. bnx2x_set_serdes_access(bp, port);
  2915. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2916. DEFAULT_PHY_DEV_ADDR);
  2917. }
  2918. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2919. struct link_params *params,
  2920. u32 action)
  2921. {
  2922. struct bnx2x *bp = params->bp;
  2923. switch (action) {
  2924. case PHY_INIT:
  2925. /* Set correct devad */
  2926. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2927. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2928. phy->def_md_devad);
  2929. break;
  2930. }
  2931. }
  2932. static void bnx2x_xgxs_deassert(struct link_params *params)
  2933. {
  2934. struct bnx2x *bp = params->bp;
  2935. u8 port;
  2936. u32 val;
  2937. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2938. port = params->port;
  2939. val = XGXS_RESET_BITS << (port*16);
  2940. /* Reset and unreset the SerDes/XGXS */
  2941. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2942. udelay(500);
  2943. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2944. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2945. PHY_INIT);
  2946. }
  2947. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2948. struct link_params *params, u16 *ieee_fc)
  2949. {
  2950. struct bnx2x *bp = params->bp;
  2951. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2952. /* Resolve pause mode and advertisement Please refer to Table
  2953. * 28B-3 of the 802.3ab-1999 spec
  2954. */
  2955. switch (phy->req_flow_ctrl) {
  2956. case BNX2X_FLOW_CTRL_AUTO:
  2957. switch (params->req_fc_auto_adv) {
  2958. case BNX2X_FLOW_CTRL_BOTH:
  2959. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2960. break;
  2961. case BNX2X_FLOW_CTRL_RX:
  2962. case BNX2X_FLOW_CTRL_TX:
  2963. *ieee_fc |=
  2964. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2965. break;
  2966. default:
  2967. break;
  2968. }
  2969. break;
  2970. case BNX2X_FLOW_CTRL_TX:
  2971. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2972. break;
  2973. case BNX2X_FLOW_CTRL_RX:
  2974. case BNX2X_FLOW_CTRL_BOTH:
  2975. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2976. break;
  2977. case BNX2X_FLOW_CTRL_NONE:
  2978. default:
  2979. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2980. break;
  2981. }
  2982. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2983. }
  2984. static void set_phy_vars(struct link_params *params,
  2985. struct link_vars *vars)
  2986. {
  2987. struct bnx2x *bp = params->bp;
  2988. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2989. u8 phy_config_swapped = params->multi_phy_config &
  2990. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2991. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2992. phy_index++) {
  2993. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2994. actual_phy_idx = phy_index;
  2995. if (phy_config_swapped) {
  2996. if (phy_index == EXT_PHY1)
  2997. actual_phy_idx = EXT_PHY2;
  2998. else if (phy_index == EXT_PHY2)
  2999. actual_phy_idx = EXT_PHY1;
  3000. }
  3001. params->phy[actual_phy_idx].req_flow_ctrl =
  3002. params->req_flow_ctrl[link_cfg_idx];
  3003. params->phy[actual_phy_idx].req_line_speed =
  3004. params->req_line_speed[link_cfg_idx];
  3005. params->phy[actual_phy_idx].speed_cap_mask =
  3006. params->speed_cap_mask[link_cfg_idx];
  3007. params->phy[actual_phy_idx].req_duplex =
  3008. params->req_duplex[link_cfg_idx];
  3009. if (params->req_line_speed[link_cfg_idx] ==
  3010. SPEED_AUTO_NEG)
  3011. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3012. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3013. " speed_cap_mask %x\n",
  3014. params->phy[actual_phy_idx].req_flow_ctrl,
  3015. params->phy[actual_phy_idx].req_line_speed,
  3016. params->phy[actual_phy_idx].speed_cap_mask);
  3017. }
  3018. }
  3019. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3020. struct bnx2x_phy *phy,
  3021. struct link_vars *vars)
  3022. {
  3023. u16 val;
  3024. struct bnx2x *bp = params->bp;
  3025. /* Read modify write pause advertizing */
  3026. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3027. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3028. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3029. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3030. if ((vars->ieee_fc &
  3031. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3032. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3033. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3034. }
  3035. if ((vars->ieee_fc &
  3036. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3037. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3038. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3039. }
  3040. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3041. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3042. }
  3043. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3044. { /* LD LP */
  3045. switch (pause_result) { /* ASYM P ASYM P */
  3046. case 0xb: /* 1 0 1 1 */
  3047. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3048. break;
  3049. case 0xe: /* 1 1 1 0 */
  3050. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3051. break;
  3052. case 0x5: /* 0 1 0 1 */
  3053. case 0x7: /* 0 1 1 1 */
  3054. case 0xd: /* 1 1 0 1 */
  3055. case 0xf: /* 1 1 1 1 */
  3056. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3057. break;
  3058. default:
  3059. break;
  3060. }
  3061. if (pause_result & (1<<0))
  3062. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3063. if (pause_result & (1<<1))
  3064. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3065. }
  3066. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3067. struct link_params *params,
  3068. struct link_vars *vars)
  3069. {
  3070. u16 ld_pause; /* local */
  3071. u16 lp_pause; /* link partner */
  3072. u16 pause_result;
  3073. struct bnx2x *bp = params->bp;
  3074. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3075. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3076. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3077. } else if (CHIP_IS_E3(bp) &&
  3078. SINGLE_MEDIA_DIRECT(params)) {
  3079. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3080. u16 gp_status, gp_mask;
  3081. bnx2x_cl45_read(bp, phy,
  3082. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3083. &gp_status);
  3084. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3085. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3086. lane;
  3087. if ((gp_status & gp_mask) == gp_mask) {
  3088. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3089. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3090. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3091. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3092. } else {
  3093. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3094. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3095. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3096. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3097. ld_pause = ((ld_pause &
  3098. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3099. << 3);
  3100. lp_pause = ((lp_pause &
  3101. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3102. << 3);
  3103. }
  3104. } else {
  3105. bnx2x_cl45_read(bp, phy,
  3106. MDIO_AN_DEVAD,
  3107. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3108. bnx2x_cl45_read(bp, phy,
  3109. MDIO_AN_DEVAD,
  3110. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3111. }
  3112. pause_result = (ld_pause &
  3113. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3114. pause_result |= (lp_pause &
  3115. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3116. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3117. bnx2x_pause_resolve(vars, pause_result);
  3118. }
  3119. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3120. struct link_params *params,
  3121. struct link_vars *vars)
  3122. {
  3123. u8 ret = 0;
  3124. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3125. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3126. /* Update the advertised flow-controled of LD/LP in AN */
  3127. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3128. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3129. /* But set the flow-control result as the requested one */
  3130. vars->flow_ctrl = phy->req_flow_ctrl;
  3131. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3132. vars->flow_ctrl = params->req_fc_auto_adv;
  3133. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3134. ret = 1;
  3135. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3136. }
  3137. return ret;
  3138. }
  3139. /******************************************************************/
  3140. /* Warpcore section */
  3141. /******************************************************************/
  3142. /* The init_internal_warpcore should mirror the xgxs,
  3143. * i.e. reset the lane (if needed), set aer for the
  3144. * init configuration, and set/clear SGMII flag. Internal
  3145. * phy init is done purely in phy_init stage.
  3146. */
  3147. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3148. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3149. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3150. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3151. #define WC_TX_FIR(post, main, pre) \
  3152. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3153. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3154. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3155. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3156. struct link_params *params,
  3157. struct link_vars *vars)
  3158. {
  3159. struct bnx2x *bp = params->bp;
  3160. u16 i;
  3161. static struct bnx2x_reg_set reg_set[] = {
  3162. /* Step 1 - Program the TX/RX alignment markers */
  3163. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3164. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3165. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3166. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3167. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3168. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3169. /* Step 2 - Configure the NP registers */
  3170. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3171. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3172. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3173. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3174. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3175. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3176. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3177. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3178. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3179. };
  3180. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3181. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3182. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3183. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3184. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3185. reg_set[i].val);
  3186. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3187. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3188. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3189. }
  3190. static void bnx2x_disable_kr2(struct link_params *params,
  3191. struct link_vars *vars,
  3192. struct bnx2x_phy *phy)
  3193. {
  3194. struct bnx2x *bp = params->bp;
  3195. int i;
  3196. static struct bnx2x_reg_set reg_set[] = {
  3197. /* Step 1 - Program the TX/RX alignment markers */
  3198. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3199. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3205. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3206. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3207. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3213. };
  3214. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3215. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3216. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3217. reg_set[i].val);
  3218. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3219. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3220. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3221. }
  3222. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3223. struct link_params *params)
  3224. {
  3225. struct bnx2x *bp = params->bp;
  3226. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3227. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3228. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3229. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3230. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3231. }
  3232. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3233. struct link_params *params)
  3234. {
  3235. /* Restart autoneg on the leading lane only */
  3236. struct bnx2x *bp = params->bp;
  3237. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3238. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3239. MDIO_AER_BLOCK_AER_REG, lane);
  3240. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3241. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3242. /* Restore AER */
  3243. bnx2x_set_aer_mmd(params, phy);
  3244. }
  3245. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3246. struct link_params *params,
  3247. struct link_vars *vars) {
  3248. u16 lane, i, cl72_ctrl, an_adv = 0;
  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. /* Force cl48 sync_status LOW to avoid getting stuck in CL73
  3353. * parallel-detect loop when CL73 and CL37 are enabled.
  3354. */
  3355. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3356. MDIO_AER_BLOCK_AER_REG, 0);
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_RXB_ANA_RX_CONTROL_PCI, 0x0800);
  3359. bnx2x_set_aer_mmd(params, phy);
  3360. bnx2x_disable_kr2(params, vars, phy);
  3361. }
  3362. /* Enable Autoneg: only on the main lane */
  3363. bnx2x_warpcore_restart_AN_KR(phy, params);
  3364. }
  3365. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3366. struct link_params *params,
  3367. struct link_vars *vars)
  3368. {
  3369. struct bnx2x *bp = params->bp;
  3370. u16 val16, i, lane;
  3371. static struct bnx2x_reg_set reg_set[] = {
  3372. /* Disable Autoneg */
  3373. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3374. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3375. 0x3f00},
  3376. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3377. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3378. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3379. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3380. /* Leave cl72 training enable, needed for KR */
  3381. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3382. };
  3383. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3384. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3385. reg_set[i].val);
  3386. lane = bnx2x_get_warpcore_lane(phy, params);
  3387. /* Global registers */
  3388. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3389. MDIO_AER_BLOCK_AER_REG, 0);
  3390. /* Disable CL36 PCS Tx */
  3391. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3393. val16 &= ~(0x0011 << lane);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3396. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3398. val16 |= (0x0303 << (lane << 1));
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3401. /* Restore AER */
  3402. bnx2x_set_aer_mmd(params, phy);
  3403. /* Set speed via PMA/PMD register */
  3404. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3405. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3406. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3407. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3408. /* Enable encoded forced speed */
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3411. /* Turn TX scramble payload only the 64/66 scrambler */
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3414. /* Turn RX scramble payload only the 64/66 scrambler */
  3415. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3417. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3418. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3420. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3422. }
  3423. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3424. struct link_params *params,
  3425. u8 is_xfi)
  3426. {
  3427. struct bnx2x *bp = params->bp;
  3428. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3429. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3430. /* Hold rxSeqStart */
  3431. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3433. /* Hold tx_fifo_reset */
  3434. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3436. /* Disable CL73 AN */
  3437. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3438. /* Disable 100FX Enable and Auto-Detect */
  3439. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3440. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3441. /* Disable 100FX Idle detect */
  3442. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3444. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3445. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3447. /* Turn off auto-detect & fiber mode */
  3448. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3450. 0xFFEE);
  3451. /* Set filter_force_link, disable_false_link and parallel_detect */
  3452. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3453. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3454. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3456. ((val | 0x0006) & 0xFFFE));
  3457. /* Set XFI / SFI */
  3458. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3460. misc1_val &= ~(0x1f);
  3461. if (is_xfi) {
  3462. misc1_val |= 0x5;
  3463. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3464. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3465. } else {
  3466. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3467. offsetof(struct shmem_region, dev_info.
  3468. port_hw_config[params->port].
  3469. sfi_tap_values));
  3470. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3471. tx_drv_brdct = (cfg_tap_val &
  3472. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3473. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3474. misc1_val |= 0x9;
  3475. /* TAP values are controlled by nvram, if value there isn't 0 */
  3476. if (tx_equal)
  3477. tap_val = (u16)tx_equal;
  3478. else
  3479. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3480. if (tx_drv_brdct)
  3481. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3482. 0x06);
  3483. else
  3484. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3485. }
  3486. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3488. /* Set Transmit PMD settings */
  3489. lane = bnx2x_get_warpcore_lane(phy, params);
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_TX_FIR_TAP,
  3492. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3495. tx_driver_val);
  3496. /* Enable fiber mode, enable and invert sig_det */
  3497. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3499. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3500. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3502. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3503. /* 10G XFI Full Duplex */
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3506. /* Release tx_fifo_reset */
  3507. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3509. 0xFFFE);
  3510. /* Release rxSeqStart */
  3511. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3513. }
  3514. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3515. struct link_params *params)
  3516. {
  3517. u16 val;
  3518. struct bnx2x *bp = params->bp;
  3519. /* Set global registers, so set AER lane to 0 */
  3520. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3521. MDIO_AER_BLOCK_AER_REG, 0);
  3522. /* Disable sequencer */
  3523. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3525. bnx2x_set_aer_mmd(params, phy);
  3526. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3527. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3528. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3529. MDIO_AN_REG_CTRL, 0);
  3530. /* Turn off CL73 */
  3531. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3533. val &= ~(1<<5);
  3534. val |= (1<<6);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3537. /* Set 20G KR2 force speed */
  3538. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3540. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3542. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3544. val &= ~(3<<14);
  3545. val |= (1<<15);
  3546. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3550. /* Enable sequencer (over lane 0) */
  3551. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3552. MDIO_AER_BLOCK_AER_REG, 0);
  3553. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3555. bnx2x_set_aer_mmd(params, phy);
  3556. }
  3557. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3558. struct bnx2x_phy *phy,
  3559. u16 lane)
  3560. {
  3561. /* Rx0 anaRxControl1G */
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3564. /* Rx2 anaRxControl1G */
  3565. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3567. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3571. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3572. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3577. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3578. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3579. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3583. /* Serdes Digital Misc1 */
  3584. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3585. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3586. /* Serdes Digital4 Misc3 */
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3589. /* Set Transmit PMD settings */
  3590. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3591. MDIO_WC_REG_TX_FIR_TAP,
  3592. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3593. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3594. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3595. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3596. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3597. }
  3598. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3599. struct link_params *params,
  3600. u8 fiber_mode,
  3601. u8 always_autoneg)
  3602. {
  3603. struct bnx2x *bp = params->bp;
  3604. u16 val16, digctrl_kx1, digctrl_kx2;
  3605. /* Clear XFI clock comp in non-10G single lane mode. */
  3606. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3608. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3609. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3610. /* SGMII Autoneg */
  3611. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3613. 0x1000);
  3614. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3615. } else {
  3616. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3617. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3618. val16 &= 0xcebf;
  3619. switch (phy->req_line_speed) {
  3620. case SPEED_10:
  3621. break;
  3622. case SPEED_100:
  3623. val16 |= 0x2000;
  3624. break;
  3625. case SPEED_1000:
  3626. val16 |= 0x0040;
  3627. break;
  3628. default:
  3629. DP(NETIF_MSG_LINK,
  3630. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3631. return;
  3632. }
  3633. if (phy->req_duplex == DUPLEX_FULL)
  3634. val16 |= 0x0100;
  3635. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3637. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3638. phy->req_line_speed);
  3639. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3640. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3641. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3642. }
  3643. /* SGMII Slave mode and disable signal detect */
  3644. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3645. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3646. if (fiber_mode)
  3647. digctrl_kx1 = 1;
  3648. else
  3649. digctrl_kx1 &= 0xff4a;
  3650. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3651. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3652. digctrl_kx1);
  3653. /* Turn off parallel detect */
  3654. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3658. (digctrl_kx2 & ~(1<<2)));
  3659. /* Re-enable parallel detect */
  3660. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3661. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3662. (digctrl_kx2 | (1<<2)));
  3663. /* Enable autodet */
  3664. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3665. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3666. (digctrl_kx1 | 0x10));
  3667. }
  3668. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3669. struct bnx2x_phy *phy,
  3670. u8 reset)
  3671. {
  3672. u16 val;
  3673. /* Take lane out of reset after configuration is finished */
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3676. if (reset)
  3677. val |= 0xC000;
  3678. else
  3679. val &= 0x3FFF;
  3680. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3681. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3682. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3683. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3684. }
  3685. /* Clear SFI/XFI link settings registers */
  3686. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3687. struct link_params *params,
  3688. u16 lane)
  3689. {
  3690. struct bnx2x *bp = params->bp;
  3691. u16 i;
  3692. static struct bnx2x_reg_set wc_regs[] = {
  3693. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3694. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3698. 0x0195},
  3699. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3700. 0x0007},
  3701. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3702. 0x0002},
  3703. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3704. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3705. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3706. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3707. };
  3708. /* Set XFI clock comp as default. */
  3709. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3710. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3711. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3712. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3713. wc_regs[i].val);
  3714. lane = bnx2x_get_warpcore_lane(phy, params);
  3715. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3716. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3717. }
  3718. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3719. u32 chip_id,
  3720. u32 shmem_base, u8 port,
  3721. u8 *gpio_num, u8 *gpio_port)
  3722. {
  3723. u32 cfg_pin;
  3724. *gpio_num = 0;
  3725. *gpio_port = 0;
  3726. if (CHIP_IS_E3(bp)) {
  3727. cfg_pin = (REG_RD(bp, shmem_base +
  3728. offsetof(struct shmem_region,
  3729. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3730. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3731. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3732. /* Should not happen. This function called upon interrupt
  3733. * triggered by GPIO ( since EPIO can only generate interrupts
  3734. * to MCP).
  3735. * So if this function was called and none of the GPIOs was set,
  3736. * it means the shit hit the fan.
  3737. */
  3738. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3739. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3740. DP(NETIF_MSG_LINK,
  3741. "No cfg pin %x for module detect indication\n",
  3742. cfg_pin);
  3743. return -EINVAL;
  3744. }
  3745. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3746. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3747. } else {
  3748. *gpio_num = MISC_REGISTERS_GPIO_3;
  3749. *gpio_port = port;
  3750. }
  3751. return 0;
  3752. }
  3753. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3754. struct link_params *params)
  3755. {
  3756. struct bnx2x *bp = params->bp;
  3757. u8 gpio_num, gpio_port;
  3758. u32 gpio_val;
  3759. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3760. params->shmem_base, params->port,
  3761. &gpio_num, &gpio_port) != 0)
  3762. return 0;
  3763. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3764. /* Call the handling function in case module is detected */
  3765. if (gpio_val == 0)
  3766. return 1;
  3767. else
  3768. return 0;
  3769. }
  3770. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3771. struct link_params *params)
  3772. {
  3773. u16 gp2_status_reg0, lane;
  3774. struct bnx2x *bp = params->bp;
  3775. lane = bnx2x_get_warpcore_lane(phy, params);
  3776. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3777. &gp2_status_reg0);
  3778. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3779. }
  3780. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3781. struct link_params *params,
  3782. struct link_vars *vars)
  3783. {
  3784. struct bnx2x *bp = params->bp;
  3785. u32 serdes_net_if;
  3786. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3787. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3788. if (!vars->turn_to_run_wc_rt)
  3789. return;
  3790. if (vars->rx_tx_asic_rst) {
  3791. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3792. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3793. offsetof(struct shmem_region, dev_info.
  3794. port_hw_config[params->port].default_cfg)) &
  3795. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3796. switch (serdes_net_if) {
  3797. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3798. /* Do we get link yet? */
  3799. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3800. &gp_status1);
  3801. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3802. /*10G KR*/
  3803. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3804. if (lnkup_kr || lnkup) {
  3805. vars->rx_tx_asic_rst = 0;
  3806. } else {
  3807. /* Reset the lane to see if link comes up.*/
  3808. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3809. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3810. /* Restart Autoneg */
  3811. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3812. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3813. vars->rx_tx_asic_rst--;
  3814. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3815. vars->rx_tx_asic_rst);
  3816. }
  3817. break;
  3818. default:
  3819. break;
  3820. }
  3821. } /*params->rx_tx_asic_rst*/
  3822. }
  3823. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3824. struct link_params *params)
  3825. {
  3826. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3827. struct bnx2x *bp = params->bp;
  3828. bnx2x_warpcore_clear_regs(phy, params, lane);
  3829. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3830. SPEED_10000) &&
  3831. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3832. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3833. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3834. } else {
  3835. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3836. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3837. }
  3838. }
  3839. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3840. struct bnx2x_phy *phy,
  3841. u8 tx_en)
  3842. {
  3843. struct bnx2x *bp = params->bp;
  3844. u32 cfg_pin;
  3845. u8 port = params->port;
  3846. cfg_pin = REG_RD(bp, params->shmem_base +
  3847. offsetof(struct shmem_region,
  3848. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3849. PORT_HW_CFG_E3_TX_LASER_MASK;
  3850. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3851. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3852. /* For 20G, the expected pin to be used is 3 pins after the current */
  3853. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3854. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3855. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3856. }
  3857. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3858. struct link_params *params,
  3859. struct link_vars *vars)
  3860. {
  3861. struct bnx2x *bp = params->bp;
  3862. u32 serdes_net_if;
  3863. u8 fiber_mode;
  3864. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3865. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3866. offsetof(struct shmem_region, dev_info.
  3867. port_hw_config[params->port].default_cfg)) &
  3868. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3869. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3870. "serdes_net_if = 0x%x\n",
  3871. vars->line_speed, serdes_net_if);
  3872. bnx2x_set_aer_mmd(params, phy);
  3873. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3874. vars->phy_flags |= PHY_XGXS_FLAG;
  3875. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3876. (phy->req_line_speed &&
  3877. ((phy->req_line_speed == SPEED_100) ||
  3878. (phy->req_line_speed == SPEED_10)))) {
  3879. vars->phy_flags |= PHY_SGMII_FLAG;
  3880. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3881. bnx2x_warpcore_clear_regs(phy, params, lane);
  3882. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3883. } else {
  3884. switch (serdes_net_if) {
  3885. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3886. /* Enable KR Auto Neg */
  3887. if (params->loopback_mode != LOOPBACK_EXT)
  3888. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3889. else {
  3890. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3891. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3892. }
  3893. break;
  3894. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3895. bnx2x_warpcore_clear_regs(phy, params, lane);
  3896. if (vars->line_speed == SPEED_10000) {
  3897. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3898. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3899. } else {
  3900. if (SINGLE_MEDIA_DIRECT(params)) {
  3901. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3902. fiber_mode = 1;
  3903. } else {
  3904. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3905. fiber_mode = 0;
  3906. }
  3907. bnx2x_warpcore_set_sgmii_speed(phy,
  3908. params,
  3909. fiber_mode,
  3910. 0);
  3911. }
  3912. break;
  3913. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3914. /* Issue Module detection if module is plugged, or
  3915. * enabled transmitter to avoid current leakage in case
  3916. * no module is connected
  3917. */
  3918. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3919. (params->loopback_mode == LOOPBACK_EXT)) {
  3920. if (bnx2x_is_sfp_module_plugged(phy, params))
  3921. bnx2x_sfp_module_detection(phy, params);
  3922. else
  3923. bnx2x_sfp_e3_set_transmitter(params,
  3924. phy, 1);
  3925. }
  3926. bnx2x_warpcore_config_sfi(phy, params);
  3927. break;
  3928. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3929. if (vars->line_speed != SPEED_20000) {
  3930. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3931. return;
  3932. }
  3933. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3934. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3935. /* Issue Module detection */
  3936. bnx2x_sfp_module_detection(phy, params);
  3937. break;
  3938. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3939. if (!params->loopback_mode) {
  3940. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3941. } else {
  3942. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3943. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3944. }
  3945. break;
  3946. default:
  3947. DP(NETIF_MSG_LINK,
  3948. "Unsupported Serdes Net Interface 0x%x\n",
  3949. serdes_net_if);
  3950. return;
  3951. }
  3952. }
  3953. /* Take lane out of reset after configuration is finished */
  3954. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3955. DP(NETIF_MSG_LINK, "Exit config init\n");
  3956. }
  3957. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3958. struct link_params *params)
  3959. {
  3960. struct bnx2x *bp = params->bp;
  3961. u16 val16, lane;
  3962. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3963. bnx2x_set_mdio_emac_per_phy(bp, params);
  3964. bnx2x_set_aer_mmd(params, phy);
  3965. /* Global register */
  3966. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3967. /* Clear loopback settings (if any) */
  3968. /* 10G & 20G */
  3969. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3970. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3971. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3972. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3973. /* Update those 1-copy registers */
  3974. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3975. MDIO_AER_BLOCK_AER_REG, 0);
  3976. /* Enable 1G MDIO (1-copy) */
  3977. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3979. ~0x10);
  3980. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3981. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3982. lane = bnx2x_get_warpcore_lane(phy, params);
  3983. /* Disable CL36 PCS Tx */
  3984. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3985. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3986. val16 |= (0x11 << lane);
  3987. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3988. val16 |= (0x22 << lane);
  3989. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3990. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3991. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3992. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3993. val16 &= ~(0x0303 << (lane << 1));
  3994. val16 |= (0x0101 << (lane << 1));
  3995. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3996. val16 &= ~(0x0c0c << (lane << 1));
  3997. val16 |= (0x0404 << (lane << 1));
  3998. }
  3999. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4000. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4001. /* Restore AER */
  4002. bnx2x_set_aer_mmd(params, phy);
  4003. }
  4004. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4005. struct link_params *params)
  4006. {
  4007. struct bnx2x *bp = params->bp;
  4008. u16 val16;
  4009. u32 lane;
  4010. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4011. params->loopback_mode, phy->req_line_speed);
  4012. if (phy->req_line_speed < SPEED_10000 ||
  4013. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4014. /* 10/100/1000/20G-KR2 */
  4015. /* Update those 1-copy registers */
  4016. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4017. MDIO_AER_BLOCK_AER_REG, 0);
  4018. /* Enable 1G MDIO (1-copy) */
  4019. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4020. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4021. 0x10);
  4022. /* Set 1G loopback based on lane (1-copy) */
  4023. lane = bnx2x_get_warpcore_lane(phy, params);
  4024. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4025. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4026. val16 |= (1<<lane);
  4027. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4028. val16 |= (2<<lane);
  4029. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4030. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4031. val16);
  4032. /* Switch back to 4-copy registers */
  4033. bnx2x_set_aer_mmd(params, phy);
  4034. } else {
  4035. /* 10G / 20G-DXGXS */
  4036. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4037. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4038. 0x4000);
  4039. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4040. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4041. }
  4042. }
  4043. static void bnx2x_sync_link(struct link_params *params,
  4044. struct link_vars *vars)
  4045. {
  4046. struct bnx2x *bp = params->bp;
  4047. u8 link_10g_plus;
  4048. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4049. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4050. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4051. if (vars->link_up) {
  4052. DP(NETIF_MSG_LINK, "phy link up\n");
  4053. vars->phy_link_up = 1;
  4054. vars->duplex = DUPLEX_FULL;
  4055. switch (vars->link_status &
  4056. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4057. case LINK_10THD:
  4058. vars->duplex = DUPLEX_HALF;
  4059. /* Fall thru */
  4060. case LINK_10TFD:
  4061. vars->line_speed = SPEED_10;
  4062. break;
  4063. case LINK_100TXHD:
  4064. vars->duplex = DUPLEX_HALF;
  4065. /* Fall thru */
  4066. case LINK_100T4:
  4067. case LINK_100TXFD:
  4068. vars->line_speed = SPEED_100;
  4069. break;
  4070. case LINK_1000THD:
  4071. vars->duplex = DUPLEX_HALF;
  4072. /* Fall thru */
  4073. case LINK_1000TFD:
  4074. vars->line_speed = SPEED_1000;
  4075. break;
  4076. case LINK_2500THD:
  4077. vars->duplex = DUPLEX_HALF;
  4078. /* Fall thru */
  4079. case LINK_2500TFD:
  4080. vars->line_speed = SPEED_2500;
  4081. break;
  4082. case LINK_10GTFD:
  4083. vars->line_speed = SPEED_10000;
  4084. break;
  4085. case LINK_20GTFD:
  4086. vars->line_speed = SPEED_20000;
  4087. break;
  4088. default:
  4089. break;
  4090. }
  4091. vars->flow_ctrl = 0;
  4092. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4093. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4094. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4095. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4096. if (!vars->flow_ctrl)
  4097. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4098. if (vars->line_speed &&
  4099. ((vars->line_speed == SPEED_10) ||
  4100. (vars->line_speed == SPEED_100))) {
  4101. vars->phy_flags |= PHY_SGMII_FLAG;
  4102. } else {
  4103. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4104. }
  4105. if (vars->line_speed &&
  4106. USES_WARPCORE(bp) &&
  4107. (vars->line_speed == SPEED_1000))
  4108. vars->phy_flags |= PHY_SGMII_FLAG;
  4109. /* Anything 10 and over uses the bmac */
  4110. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4111. if (link_10g_plus) {
  4112. if (USES_WARPCORE(bp))
  4113. vars->mac_type = MAC_TYPE_XMAC;
  4114. else
  4115. vars->mac_type = MAC_TYPE_BMAC;
  4116. } else {
  4117. if (USES_WARPCORE(bp))
  4118. vars->mac_type = MAC_TYPE_UMAC;
  4119. else
  4120. vars->mac_type = MAC_TYPE_EMAC;
  4121. }
  4122. } else { /* Link down */
  4123. DP(NETIF_MSG_LINK, "phy link down\n");
  4124. vars->phy_link_up = 0;
  4125. vars->line_speed = 0;
  4126. vars->duplex = DUPLEX_FULL;
  4127. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4128. /* Indicate no mac active */
  4129. vars->mac_type = MAC_TYPE_NONE;
  4130. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4131. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4132. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4133. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4134. }
  4135. }
  4136. void bnx2x_link_status_update(struct link_params *params,
  4137. struct link_vars *vars)
  4138. {
  4139. struct bnx2x *bp = params->bp;
  4140. u8 port = params->port;
  4141. u32 sync_offset, media_types;
  4142. /* Update PHY configuration */
  4143. set_phy_vars(params, vars);
  4144. vars->link_status = REG_RD(bp, params->shmem_base +
  4145. offsetof(struct shmem_region,
  4146. port_mb[port].link_status));
  4147. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4148. if (params->loopback_mode != LOOPBACK_NONE &&
  4149. params->loopback_mode != LOOPBACK_EXT)
  4150. vars->link_status |= LINK_STATUS_LINK_UP;
  4151. if (bnx2x_eee_has_cap(params))
  4152. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4153. offsetof(struct shmem2_region,
  4154. eee_status[params->port]));
  4155. vars->phy_flags = PHY_XGXS_FLAG;
  4156. bnx2x_sync_link(params, vars);
  4157. /* Sync media type */
  4158. sync_offset = params->shmem_base +
  4159. offsetof(struct shmem_region,
  4160. dev_info.port_hw_config[port].media_type);
  4161. media_types = REG_RD(bp, sync_offset);
  4162. params->phy[INT_PHY].media_type =
  4163. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4164. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4165. params->phy[EXT_PHY1].media_type =
  4166. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4167. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4168. params->phy[EXT_PHY2].media_type =
  4169. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4170. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4171. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4172. /* Sync AEU offset */
  4173. sync_offset = params->shmem_base +
  4174. offsetof(struct shmem_region,
  4175. dev_info.port_hw_config[port].aeu_int_mask);
  4176. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4177. /* Sync PFC status */
  4178. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4179. params->feature_config_flags |=
  4180. FEATURE_CONFIG_PFC_ENABLED;
  4181. else
  4182. params->feature_config_flags &=
  4183. ~FEATURE_CONFIG_PFC_ENABLED;
  4184. if (SHMEM2_HAS(bp, link_attr_sync))
  4185. vars->link_attr_sync = SHMEM2_RD(bp,
  4186. link_attr_sync[params->port]);
  4187. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4188. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4189. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4190. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4191. }
  4192. static void bnx2x_set_master_ln(struct link_params *params,
  4193. struct bnx2x_phy *phy)
  4194. {
  4195. struct bnx2x *bp = params->bp;
  4196. u16 new_master_ln, ser_lane;
  4197. ser_lane = ((params->lane_config &
  4198. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4199. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4200. /* Set the master_ln for AN */
  4201. CL22_RD_OVER_CL45(bp, phy,
  4202. MDIO_REG_BANK_XGXS_BLOCK2,
  4203. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4204. &new_master_ln);
  4205. CL22_WR_OVER_CL45(bp, phy,
  4206. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4207. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4208. (new_master_ln | ser_lane));
  4209. }
  4210. static int bnx2x_reset_unicore(struct link_params *params,
  4211. struct bnx2x_phy *phy,
  4212. u8 set_serdes)
  4213. {
  4214. struct bnx2x *bp = params->bp;
  4215. u16 mii_control;
  4216. u16 i;
  4217. CL22_RD_OVER_CL45(bp, phy,
  4218. MDIO_REG_BANK_COMBO_IEEE0,
  4219. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4220. /* Reset the unicore */
  4221. CL22_WR_OVER_CL45(bp, phy,
  4222. MDIO_REG_BANK_COMBO_IEEE0,
  4223. MDIO_COMBO_IEEE0_MII_CONTROL,
  4224. (mii_control |
  4225. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4226. if (set_serdes)
  4227. bnx2x_set_serdes_access(bp, params->port);
  4228. /* Wait for the reset to self clear */
  4229. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4230. udelay(5);
  4231. /* The reset erased the previous bank value */
  4232. CL22_RD_OVER_CL45(bp, phy,
  4233. MDIO_REG_BANK_COMBO_IEEE0,
  4234. MDIO_COMBO_IEEE0_MII_CONTROL,
  4235. &mii_control);
  4236. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4237. udelay(5);
  4238. return 0;
  4239. }
  4240. }
  4241. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4242. " Port %d\n",
  4243. params->port);
  4244. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4245. return -EINVAL;
  4246. }
  4247. static void bnx2x_set_swap_lanes(struct link_params *params,
  4248. struct bnx2x_phy *phy)
  4249. {
  4250. struct bnx2x *bp = params->bp;
  4251. /* Each two bits represents a lane number:
  4252. * No swap is 0123 => 0x1b no need to enable the swap
  4253. */
  4254. u16 rx_lane_swap, tx_lane_swap;
  4255. rx_lane_swap = ((params->lane_config &
  4256. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4257. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4258. tx_lane_swap = ((params->lane_config &
  4259. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4260. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4261. if (rx_lane_swap != 0x1b) {
  4262. CL22_WR_OVER_CL45(bp, phy,
  4263. MDIO_REG_BANK_XGXS_BLOCK2,
  4264. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4265. (rx_lane_swap |
  4266. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4267. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4268. } else {
  4269. CL22_WR_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_XGXS_BLOCK2,
  4271. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4272. }
  4273. if (tx_lane_swap != 0x1b) {
  4274. CL22_WR_OVER_CL45(bp, phy,
  4275. MDIO_REG_BANK_XGXS_BLOCK2,
  4276. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4277. (tx_lane_swap |
  4278. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4279. } else {
  4280. CL22_WR_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_XGXS_BLOCK2,
  4282. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4283. }
  4284. }
  4285. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4286. struct link_params *params)
  4287. {
  4288. struct bnx2x *bp = params->bp;
  4289. u16 control2;
  4290. CL22_RD_OVER_CL45(bp, phy,
  4291. MDIO_REG_BANK_SERDES_DIGITAL,
  4292. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4293. &control2);
  4294. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4295. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4296. else
  4297. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4298. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4299. phy->speed_cap_mask, control2);
  4300. CL22_WR_OVER_CL45(bp, phy,
  4301. MDIO_REG_BANK_SERDES_DIGITAL,
  4302. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4303. control2);
  4304. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4305. (phy->speed_cap_mask &
  4306. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4307. DP(NETIF_MSG_LINK, "XGXS\n");
  4308. CL22_WR_OVER_CL45(bp, phy,
  4309. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4310. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4311. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4312. CL22_RD_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4314. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4315. &control2);
  4316. control2 |=
  4317. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4318. CL22_WR_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4320. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4321. control2);
  4322. /* Disable parallel detection of HiG */
  4323. CL22_WR_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_XGXS_BLOCK2,
  4325. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4326. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4327. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4328. }
  4329. }
  4330. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4331. struct link_params *params,
  4332. struct link_vars *vars,
  4333. u8 enable_cl73)
  4334. {
  4335. struct bnx2x *bp = params->bp;
  4336. u16 reg_val;
  4337. /* CL37 Autoneg */
  4338. CL22_RD_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_COMBO_IEEE0,
  4340. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4341. /* CL37 Autoneg Enabled */
  4342. if (vars->line_speed == SPEED_AUTO_NEG)
  4343. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4344. else /* CL37 Autoneg Disabled */
  4345. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4346. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4347. CL22_WR_OVER_CL45(bp, phy,
  4348. MDIO_REG_BANK_COMBO_IEEE0,
  4349. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4350. /* Enable/Disable Autodetection */
  4351. CL22_RD_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_SERDES_DIGITAL,
  4353. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4354. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4355. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4356. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4357. if (vars->line_speed == SPEED_AUTO_NEG)
  4358. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4359. else
  4360. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4361. CL22_WR_OVER_CL45(bp, phy,
  4362. MDIO_REG_BANK_SERDES_DIGITAL,
  4363. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4364. /* Enable TetonII and BAM autoneg */
  4365. CL22_RD_OVER_CL45(bp, phy,
  4366. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4367. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4368. &reg_val);
  4369. if (vars->line_speed == SPEED_AUTO_NEG) {
  4370. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4371. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4372. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4373. } else {
  4374. /* TetonII and BAM Autoneg Disabled */
  4375. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4376. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4377. }
  4378. CL22_WR_OVER_CL45(bp, phy,
  4379. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4380. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4381. reg_val);
  4382. if (enable_cl73) {
  4383. /* Enable Cl73 FSM status bits */
  4384. CL22_WR_OVER_CL45(bp, phy,
  4385. MDIO_REG_BANK_CL73_USERB0,
  4386. MDIO_CL73_USERB0_CL73_UCTRL,
  4387. 0xe);
  4388. /* Enable BAM Station Manager*/
  4389. CL22_WR_OVER_CL45(bp, phy,
  4390. MDIO_REG_BANK_CL73_USERB0,
  4391. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4392. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4393. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4394. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4395. /* Advertise CL73 link speeds */
  4396. CL22_RD_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_CL73_IEEEB1,
  4398. MDIO_CL73_IEEEB1_AN_ADV2,
  4399. &reg_val);
  4400. if (phy->speed_cap_mask &
  4401. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4402. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4403. if (phy->speed_cap_mask &
  4404. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4405. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4406. CL22_WR_OVER_CL45(bp, phy,
  4407. MDIO_REG_BANK_CL73_IEEEB1,
  4408. MDIO_CL73_IEEEB1_AN_ADV2,
  4409. reg_val);
  4410. /* CL73 Autoneg Enabled */
  4411. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4412. } else /* CL73 Autoneg Disabled */
  4413. reg_val = 0;
  4414. CL22_WR_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_CL73_IEEEB0,
  4416. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4417. }
  4418. /* Program SerDes, forced speed */
  4419. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4420. struct link_params *params,
  4421. struct link_vars *vars)
  4422. {
  4423. struct bnx2x *bp = params->bp;
  4424. u16 reg_val;
  4425. /* Program duplex, disable autoneg and sgmii*/
  4426. CL22_RD_OVER_CL45(bp, phy,
  4427. MDIO_REG_BANK_COMBO_IEEE0,
  4428. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4429. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4430. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4431. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4432. if (phy->req_duplex == DUPLEX_FULL)
  4433. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4434. CL22_WR_OVER_CL45(bp, phy,
  4435. MDIO_REG_BANK_COMBO_IEEE0,
  4436. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4437. /* Program speed
  4438. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4439. */
  4440. CL22_RD_OVER_CL45(bp, phy,
  4441. MDIO_REG_BANK_SERDES_DIGITAL,
  4442. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4443. /* Clearing the speed value before setting the right speed */
  4444. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4445. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4446. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4447. if (!((vars->line_speed == SPEED_1000) ||
  4448. (vars->line_speed == SPEED_100) ||
  4449. (vars->line_speed == SPEED_10))) {
  4450. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4451. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4452. if (vars->line_speed == SPEED_10000)
  4453. reg_val |=
  4454. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4455. }
  4456. CL22_WR_OVER_CL45(bp, phy,
  4457. MDIO_REG_BANK_SERDES_DIGITAL,
  4458. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4459. }
  4460. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4461. struct link_params *params)
  4462. {
  4463. struct bnx2x *bp = params->bp;
  4464. u16 val = 0;
  4465. /* Set extended capabilities */
  4466. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4467. val |= MDIO_OVER_1G_UP1_2_5G;
  4468. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4469. val |= MDIO_OVER_1G_UP1_10G;
  4470. CL22_WR_OVER_CL45(bp, phy,
  4471. MDIO_REG_BANK_OVER_1G,
  4472. MDIO_OVER_1G_UP1, val);
  4473. CL22_WR_OVER_CL45(bp, phy,
  4474. MDIO_REG_BANK_OVER_1G,
  4475. MDIO_OVER_1G_UP3, 0x400);
  4476. }
  4477. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4478. struct link_params *params,
  4479. u16 ieee_fc)
  4480. {
  4481. struct bnx2x *bp = params->bp;
  4482. u16 val;
  4483. /* For AN, we are always publishing full duplex */
  4484. CL22_WR_OVER_CL45(bp, phy,
  4485. MDIO_REG_BANK_COMBO_IEEE0,
  4486. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4487. CL22_RD_OVER_CL45(bp, phy,
  4488. MDIO_REG_BANK_CL73_IEEEB1,
  4489. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4490. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4491. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4492. CL22_WR_OVER_CL45(bp, phy,
  4493. MDIO_REG_BANK_CL73_IEEEB1,
  4494. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4495. }
  4496. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4497. struct link_params *params,
  4498. u8 enable_cl73)
  4499. {
  4500. struct bnx2x *bp = params->bp;
  4501. u16 mii_control;
  4502. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4503. /* Enable and restart BAM/CL37 aneg */
  4504. if (enable_cl73) {
  4505. CL22_RD_OVER_CL45(bp, phy,
  4506. MDIO_REG_BANK_CL73_IEEEB0,
  4507. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4508. &mii_control);
  4509. CL22_WR_OVER_CL45(bp, phy,
  4510. MDIO_REG_BANK_CL73_IEEEB0,
  4511. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4512. (mii_control |
  4513. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4514. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4515. } else {
  4516. CL22_RD_OVER_CL45(bp, phy,
  4517. MDIO_REG_BANK_COMBO_IEEE0,
  4518. MDIO_COMBO_IEEE0_MII_CONTROL,
  4519. &mii_control);
  4520. DP(NETIF_MSG_LINK,
  4521. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4522. mii_control);
  4523. CL22_WR_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_COMBO_IEEE0,
  4525. MDIO_COMBO_IEEE0_MII_CONTROL,
  4526. (mii_control |
  4527. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4528. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4529. }
  4530. }
  4531. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4532. struct link_params *params,
  4533. struct link_vars *vars)
  4534. {
  4535. struct bnx2x *bp = params->bp;
  4536. u16 control1;
  4537. /* In SGMII mode, the unicore is always slave */
  4538. CL22_RD_OVER_CL45(bp, phy,
  4539. MDIO_REG_BANK_SERDES_DIGITAL,
  4540. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4541. &control1);
  4542. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4543. /* Set sgmii mode (and not fiber) */
  4544. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4545. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4546. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4547. CL22_WR_OVER_CL45(bp, phy,
  4548. MDIO_REG_BANK_SERDES_DIGITAL,
  4549. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4550. control1);
  4551. /* If forced speed */
  4552. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4553. /* Set speed, disable autoneg */
  4554. u16 mii_control;
  4555. CL22_RD_OVER_CL45(bp, phy,
  4556. MDIO_REG_BANK_COMBO_IEEE0,
  4557. MDIO_COMBO_IEEE0_MII_CONTROL,
  4558. &mii_control);
  4559. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4560. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4561. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4562. switch (vars->line_speed) {
  4563. case SPEED_100:
  4564. mii_control |=
  4565. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4566. break;
  4567. case SPEED_1000:
  4568. mii_control |=
  4569. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4570. break;
  4571. case SPEED_10:
  4572. /* There is nothing to set for 10M */
  4573. break;
  4574. default:
  4575. /* Invalid speed for SGMII */
  4576. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4577. vars->line_speed);
  4578. break;
  4579. }
  4580. /* Setting the full duplex */
  4581. if (phy->req_duplex == DUPLEX_FULL)
  4582. mii_control |=
  4583. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4584. CL22_WR_OVER_CL45(bp, phy,
  4585. MDIO_REG_BANK_COMBO_IEEE0,
  4586. MDIO_COMBO_IEEE0_MII_CONTROL,
  4587. mii_control);
  4588. } else { /* AN mode */
  4589. /* Enable and restart AN */
  4590. bnx2x_restart_autoneg(phy, params, 0);
  4591. }
  4592. }
  4593. /* Link management
  4594. */
  4595. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4596. struct link_params *params)
  4597. {
  4598. struct bnx2x *bp = params->bp;
  4599. u16 pd_10g, status2_1000x;
  4600. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4601. return 0;
  4602. CL22_RD_OVER_CL45(bp, phy,
  4603. MDIO_REG_BANK_SERDES_DIGITAL,
  4604. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4605. &status2_1000x);
  4606. CL22_RD_OVER_CL45(bp, phy,
  4607. MDIO_REG_BANK_SERDES_DIGITAL,
  4608. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4609. &status2_1000x);
  4610. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4611. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4612. params->port);
  4613. return 1;
  4614. }
  4615. CL22_RD_OVER_CL45(bp, phy,
  4616. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4617. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4618. &pd_10g);
  4619. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4620. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4621. params->port);
  4622. return 1;
  4623. }
  4624. return 0;
  4625. }
  4626. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4627. struct link_params *params,
  4628. struct link_vars *vars,
  4629. u32 gp_status)
  4630. {
  4631. u16 ld_pause; /* local driver */
  4632. u16 lp_pause; /* link partner */
  4633. u16 pause_result;
  4634. struct bnx2x *bp = params->bp;
  4635. if ((gp_status &
  4636. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4637. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4638. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4639. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4640. CL22_RD_OVER_CL45(bp, phy,
  4641. MDIO_REG_BANK_CL73_IEEEB1,
  4642. MDIO_CL73_IEEEB1_AN_ADV1,
  4643. &ld_pause);
  4644. CL22_RD_OVER_CL45(bp, phy,
  4645. MDIO_REG_BANK_CL73_IEEEB1,
  4646. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4647. &lp_pause);
  4648. pause_result = (ld_pause &
  4649. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4650. pause_result |= (lp_pause &
  4651. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4652. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4653. } else {
  4654. CL22_RD_OVER_CL45(bp, phy,
  4655. MDIO_REG_BANK_COMBO_IEEE0,
  4656. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4657. &ld_pause);
  4658. CL22_RD_OVER_CL45(bp, phy,
  4659. MDIO_REG_BANK_COMBO_IEEE0,
  4660. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4661. &lp_pause);
  4662. pause_result = (ld_pause &
  4663. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4664. pause_result |= (lp_pause &
  4665. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4666. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4667. }
  4668. bnx2x_pause_resolve(vars, pause_result);
  4669. }
  4670. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4671. struct link_params *params,
  4672. struct link_vars *vars,
  4673. u32 gp_status)
  4674. {
  4675. struct bnx2x *bp = params->bp;
  4676. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4677. /* Resolve from gp_status in case of AN complete and not sgmii */
  4678. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4679. /* Update the advertised flow-controled of LD/LP in AN */
  4680. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4681. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4682. /* But set the flow-control result as the requested one */
  4683. vars->flow_ctrl = phy->req_flow_ctrl;
  4684. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4685. vars->flow_ctrl = params->req_fc_auto_adv;
  4686. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4687. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4688. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4689. vars->flow_ctrl = params->req_fc_auto_adv;
  4690. return;
  4691. }
  4692. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4693. }
  4694. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4695. }
  4696. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4697. struct link_params *params)
  4698. {
  4699. struct bnx2x *bp = params->bp;
  4700. u16 rx_status, ustat_val, cl37_fsm_received;
  4701. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4702. /* Step 1: Make sure signal is detected */
  4703. CL22_RD_OVER_CL45(bp, phy,
  4704. MDIO_REG_BANK_RX0,
  4705. MDIO_RX0_RX_STATUS,
  4706. &rx_status);
  4707. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4708. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4709. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4710. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4711. CL22_WR_OVER_CL45(bp, phy,
  4712. MDIO_REG_BANK_CL73_IEEEB0,
  4713. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4714. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4715. return;
  4716. }
  4717. /* Step 2: Check CL73 state machine */
  4718. CL22_RD_OVER_CL45(bp, phy,
  4719. MDIO_REG_BANK_CL73_USERB0,
  4720. MDIO_CL73_USERB0_CL73_USTAT1,
  4721. &ustat_val);
  4722. if ((ustat_val &
  4723. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4724. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4725. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4726. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4727. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4728. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4729. return;
  4730. }
  4731. /* Step 3: Check CL37 Message Pages received to indicate LP
  4732. * supports only CL37
  4733. */
  4734. CL22_RD_OVER_CL45(bp, phy,
  4735. MDIO_REG_BANK_REMOTE_PHY,
  4736. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4737. &cl37_fsm_received);
  4738. if ((cl37_fsm_received &
  4739. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4740. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4741. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4742. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4743. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4744. "misc_rx_status(0x8330) = 0x%x\n",
  4745. cl37_fsm_received);
  4746. return;
  4747. }
  4748. /* The combined cl37/cl73 fsm state information indicating that
  4749. * we are connected to a device which does not support cl73, but
  4750. * does support cl37 BAM. In this case we disable cl73 and
  4751. * restart cl37 auto-neg
  4752. */
  4753. /* Disable CL73 */
  4754. CL22_WR_OVER_CL45(bp, phy,
  4755. MDIO_REG_BANK_CL73_IEEEB0,
  4756. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4757. 0);
  4758. /* Restart CL37 autoneg */
  4759. bnx2x_restart_autoneg(phy, params, 0);
  4760. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4761. }
  4762. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4763. struct link_params *params,
  4764. struct link_vars *vars,
  4765. u32 gp_status)
  4766. {
  4767. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4768. vars->link_status |=
  4769. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4770. if (bnx2x_direct_parallel_detect_used(phy, params))
  4771. vars->link_status |=
  4772. LINK_STATUS_PARALLEL_DETECTION_USED;
  4773. }
  4774. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4775. struct link_params *params,
  4776. struct link_vars *vars,
  4777. u16 is_link_up,
  4778. u16 speed_mask,
  4779. u16 is_duplex)
  4780. {
  4781. struct bnx2x *bp = params->bp;
  4782. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4783. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4784. if (is_link_up) {
  4785. DP(NETIF_MSG_LINK, "phy link up\n");
  4786. vars->phy_link_up = 1;
  4787. vars->link_status |= LINK_STATUS_LINK_UP;
  4788. switch (speed_mask) {
  4789. case GP_STATUS_10M:
  4790. vars->line_speed = SPEED_10;
  4791. if (is_duplex == DUPLEX_FULL)
  4792. vars->link_status |= LINK_10TFD;
  4793. else
  4794. vars->link_status |= LINK_10THD;
  4795. break;
  4796. case GP_STATUS_100M:
  4797. vars->line_speed = SPEED_100;
  4798. if (is_duplex == DUPLEX_FULL)
  4799. vars->link_status |= LINK_100TXFD;
  4800. else
  4801. vars->link_status |= LINK_100TXHD;
  4802. break;
  4803. case GP_STATUS_1G:
  4804. case GP_STATUS_1G_KX:
  4805. vars->line_speed = SPEED_1000;
  4806. if (is_duplex == DUPLEX_FULL)
  4807. vars->link_status |= LINK_1000TFD;
  4808. else
  4809. vars->link_status |= LINK_1000THD;
  4810. break;
  4811. case GP_STATUS_2_5G:
  4812. vars->line_speed = SPEED_2500;
  4813. if (is_duplex == DUPLEX_FULL)
  4814. vars->link_status |= LINK_2500TFD;
  4815. else
  4816. vars->link_status |= LINK_2500THD;
  4817. break;
  4818. case GP_STATUS_5G:
  4819. case GP_STATUS_6G:
  4820. DP(NETIF_MSG_LINK,
  4821. "link speed unsupported gp_status 0x%x\n",
  4822. speed_mask);
  4823. return -EINVAL;
  4824. case GP_STATUS_10G_KX4:
  4825. case GP_STATUS_10G_HIG:
  4826. case GP_STATUS_10G_CX4:
  4827. case GP_STATUS_10G_KR:
  4828. case GP_STATUS_10G_SFI:
  4829. case GP_STATUS_10G_XFI:
  4830. vars->line_speed = SPEED_10000;
  4831. vars->link_status |= LINK_10GTFD;
  4832. break;
  4833. case GP_STATUS_20G_DXGXS:
  4834. case GP_STATUS_20G_KR2:
  4835. vars->line_speed = SPEED_20000;
  4836. vars->link_status |= LINK_20GTFD;
  4837. break;
  4838. default:
  4839. DP(NETIF_MSG_LINK,
  4840. "link speed unsupported gp_status 0x%x\n",
  4841. speed_mask);
  4842. return -EINVAL;
  4843. }
  4844. } else { /* link_down */
  4845. DP(NETIF_MSG_LINK, "phy link down\n");
  4846. vars->phy_link_up = 0;
  4847. vars->duplex = DUPLEX_FULL;
  4848. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4849. vars->mac_type = MAC_TYPE_NONE;
  4850. }
  4851. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4852. vars->phy_link_up, vars->line_speed);
  4853. return 0;
  4854. }
  4855. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4856. struct link_params *params,
  4857. struct link_vars *vars)
  4858. {
  4859. struct bnx2x *bp = params->bp;
  4860. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4861. int rc = 0;
  4862. /* Read gp_status */
  4863. CL22_RD_OVER_CL45(bp, phy,
  4864. MDIO_REG_BANK_GP_STATUS,
  4865. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4866. &gp_status);
  4867. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4868. duplex = DUPLEX_FULL;
  4869. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4870. link_up = 1;
  4871. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4872. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4873. gp_status, link_up, speed_mask);
  4874. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4875. duplex);
  4876. if (rc == -EINVAL)
  4877. return rc;
  4878. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4879. if (SINGLE_MEDIA_DIRECT(params)) {
  4880. vars->duplex = duplex;
  4881. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4882. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4883. bnx2x_xgxs_an_resolve(phy, params, vars,
  4884. gp_status);
  4885. }
  4886. } else { /* Link_down */
  4887. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4888. SINGLE_MEDIA_DIRECT(params)) {
  4889. /* Check signal is detected */
  4890. bnx2x_check_fallback_to_cl37(phy, params);
  4891. }
  4892. }
  4893. /* Read LP advertised speeds*/
  4894. if (SINGLE_MEDIA_DIRECT(params) &&
  4895. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4896. u16 val;
  4897. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4898. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4899. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4900. vars->link_status |=
  4901. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4902. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4903. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4904. vars->link_status |=
  4905. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4906. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4907. MDIO_OVER_1G_LP_UP1, &val);
  4908. if (val & MDIO_OVER_1G_UP1_2_5G)
  4909. vars->link_status |=
  4910. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4911. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4912. vars->link_status |=
  4913. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4914. }
  4915. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4916. vars->duplex, vars->flow_ctrl, vars->link_status);
  4917. return rc;
  4918. }
  4919. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4920. struct link_params *params,
  4921. struct link_vars *vars)
  4922. {
  4923. struct bnx2x *bp = params->bp;
  4924. u8 lane;
  4925. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4926. int rc = 0;
  4927. lane = bnx2x_get_warpcore_lane(phy, params);
  4928. /* Read gp_status */
  4929. if ((params->loopback_mode) &&
  4930. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4931. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4932. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4933. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4934. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4935. link_up &= 0x1;
  4936. } else if ((phy->req_line_speed > SPEED_10000) &&
  4937. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4938. u16 temp_link_up;
  4939. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4940. 1, &temp_link_up);
  4941. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4942. 1, &link_up);
  4943. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4944. temp_link_up, link_up);
  4945. link_up &= (1<<2);
  4946. if (link_up)
  4947. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4948. } else {
  4949. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4950. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4951. &gp_status1);
  4952. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4953. /* Check for either KR, 1G, or AN up. */
  4954. link_up = ((gp_status1 >> 8) |
  4955. (gp_status1 >> 12) |
  4956. (gp_status1)) &
  4957. (1 << lane);
  4958. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4959. u16 an_link;
  4960. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4961. MDIO_AN_REG_STATUS, &an_link);
  4962. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4963. MDIO_AN_REG_STATUS, &an_link);
  4964. link_up |= (an_link & (1<<2));
  4965. }
  4966. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4967. u16 pd, gp_status4;
  4968. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4969. /* Check Autoneg complete */
  4970. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4971. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4972. &gp_status4);
  4973. if (gp_status4 & ((1<<12)<<lane))
  4974. vars->link_status |=
  4975. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4976. /* Check parallel detect used */
  4977. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4978. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4979. &pd);
  4980. if (pd & (1<<15))
  4981. vars->link_status |=
  4982. LINK_STATUS_PARALLEL_DETECTION_USED;
  4983. }
  4984. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4985. vars->duplex = duplex;
  4986. }
  4987. }
  4988. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4989. SINGLE_MEDIA_DIRECT(params)) {
  4990. u16 val;
  4991. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4992. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4993. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4994. vars->link_status |=
  4995. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4996. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4997. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4998. vars->link_status |=
  4999. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5000. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5001. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5002. if (val & MDIO_OVER_1G_UP1_2_5G)
  5003. vars->link_status |=
  5004. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5005. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5006. vars->link_status |=
  5007. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5008. }
  5009. if (lane < 2) {
  5010. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5011. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5012. } else {
  5013. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5014. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5015. }
  5016. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5017. if ((lane & 1) == 0)
  5018. gp_speed <<= 8;
  5019. gp_speed &= 0x3f00;
  5020. link_up = !!link_up;
  5021. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5022. duplex);
  5023. /* In case of KR link down, start up the recovering procedure */
  5024. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5025. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5026. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5027. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5028. vars->duplex, vars->flow_ctrl, vars->link_status);
  5029. return rc;
  5030. }
  5031. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5032. {
  5033. struct bnx2x *bp = params->bp;
  5034. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5035. u16 lp_up2;
  5036. u16 tx_driver;
  5037. u16 bank;
  5038. /* Read precomp */
  5039. CL22_RD_OVER_CL45(bp, phy,
  5040. MDIO_REG_BANK_OVER_1G,
  5041. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5042. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5043. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5044. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5045. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5046. if (lp_up2 == 0)
  5047. return;
  5048. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5049. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5050. CL22_RD_OVER_CL45(bp, phy,
  5051. bank,
  5052. MDIO_TX0_TX_DRIVER, &tx_driver);
  5053. /* Replace tx_driver bits [15:12] */
  5054. if (lp_up2 !=
  5055. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5056. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5057. tx_driver |= lp_up2;
  5058. CL22_WR_OVER_CL45(bp, phy,
  5059. bank,
  5060. MDIO_TX0_TX_DRIVER, tx_driver);
  5061. }
  5062. }
  5063. }
  5064. static int bnx2x_emac_program(struct link_params *params,
  5065. struct link_vars *vars)
  5066. {
  5067. struct bnx2x *bp = params->bp;
  5068. u8 port = params->port;
  5069. u16 mode = 0;
  5070. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5071. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5072. EMAC_REG_EMAC_MODE,
  5073. (EMAC_MODE_25G_MODE |
  5074. EMAC_MODE_PORT_MII_10M |
  5075. EMAC_MODE_HALF_DUPLEX));
  5076. switch (vars->line_speed) {
  5077. case SPEED_10:
  5078. mode |= EMAC_MODE_PORT_MII_10M;
  5079. break;
  5080. case SPEED_100:
  5081. mode |= EMAC_MODE_PORT_MII;
  5082. break;
  5083. case SPEED_1000:
  5084. mode |= EMAC_MODE_PORT_GMII;
  5085. break;
  5086. case SPEED_2500:
  5087. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5088. break;
  5089. default:
  5090. /* 10G not valid for EMAC */
  5091. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5092. vars->line_speed);
  5093. return -EINVAL;
  5094. }
  5095. if (vars->duplex == DUPLEX_HALF)
  5096. mode |= EMAC_MODE_HALF_DUPLEX;
  5097. bnx2x_bits_en(bp,
  5098. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5099. mode);
  5100. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5101. return 0;
  5102. }
  5103. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5104. struct link_params *params)
  5105. {
  5106. u16 bank, i = 0;
  5107. struct bnx2x *bp = params->bp;
  5108. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5109. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5110. CL22_WR_OVER_CL45(bp, phy,
  5111. bank,
  5112. MDIO_RX0_RX_EQ_BOOST,
  5113. phy->rx_preemphasis[i]);
  5114. }
  5115. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5116. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5117. CL22_WR_OVER_CL45(bp, phy,
  5118. bank,
  5119. MDIO_TX0_TX_DRIVER,
  5120. phy->tx_preemphasis[i]);
  5121. }
  5122. }
  5123. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5124. struct link_params *params,
  5125. struct link_vars *vars)
  5126. {
  5127. struct bnx2x *bp = params->bp;
  5128. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5129. (params->loopback_mode == LOOPBACK_XGXS));
  5130. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5131. if (SINGLE_MEDIA_DIRECT(params) &&
  5132. (params->feature_config_flags &
  5133. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5134. bnx2x_set_preemphasis(phy, params);
  5135. /* Forced speed requested? */
  5136. if (vars->line_speed != SPEED_AUTO_NEG ||
  5137. (SINGLE_MEDIA_DIRECT(params) &&
  5138. params->loopback_mode == LOOPBACK_EXT)) {
  5139. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5140. /* Disable autoneg */
  5141. bnx2x_set_autoneg(phy, params, vars, 0);
  5142. /* Program speed and duplex */
  5143. bnx2x_program_serdes(phy, params, vars);
  5144. } else { /* AN_mode */
  5145. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5146. /* AN enabled */
  5147. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5148. /* Program duplex & pause advertisement (for aneg) */
  5149. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5150. vars->ieee_fc);
  5151. /* Enable autoneg */
  5152. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5153. /* Enable and restart AN */
  5154. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5155. }
  5156. } else { /* SGMII mode */
  5157. DP(NETIF_MSG_LINK, "SGMII\n");
  5158. bnx2x_initialize_sgmii_process(phy, params, vars);
  5159. }
  5160. }
  5161. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5162. struct link_params *params,
  5163. struct link_vars *vars)
  5164. {
  5165. int rc;
  5166. vars->phy_flags |= PHY_XGXS_FLAG;
  5167. if ((phy->req_line_speed &&
  5168. ((phy->req_line_speed == SPEED_100) ||
  5169. (phy->req_line_speed == SPEED_10))) ||
  5170. (!phy->req_line_speed &&
  5171. (phy->speed_cap_mask >=
  5172. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5173. (phy->speed_cap_mask <
  5174. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5175. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5176. vars->phy_flags |= PHY_SGMII_FLAG;
  5177. else
  5178. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5179. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5180. bnx2x_set_aer_mmd(params, phy);
  5181. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5182. bnx2x_set_master_ln(params, phy);
  5183. rc = bnx2x_reset_unicore(params, phy, 0);
  5184. /* Reset the SerDes and wait for reset bit return low */
  5185. if (rc)
  5186. return rc;
  5187. bnx2x_set_aer_mmd(params, phy);
  5188. /* Setting the masterLn_def again after the reset */
  5189. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5190. bnx2x_set_master_ln(params, phy);
  5191. bnx2x_set_swap_lanes(params, phy);
  5192. }
  5193. return rc;
  5194. }
  5195. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5196. struct bnx2x_phy *phy,
  5197. struct link_params *params)
  5198. {
  5199. u16 cnt, ctrl;
  5200. /* Wait for soft reset to get cleared up to 1 sec */
  5201. for (cnt = 0; cnt < 1000; cnt++) {
  5202. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5203. bnx2x_cl22_read(bp, phy,
  5204. MDIO_PMA_REG_CTRL, &ctrl);
  5205. else
  5206. bnx2x_cl45_read(bp, phy,
  5207. MDIO_PMA_DEVAD,
  5208. MDIO_PMA_REG_CTRL, &ctrl);
  5209. if (!(ctrl & (1<<15)))
  5210. break;
  5211. usleep_range(1000, 2000);
  5212. }
  5213. if (cnt == 1000)
  5214. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5215. " Port %d\n",
  5216. params->port);
  5217. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5218. return cnt;
  5219. }
  5220. static void bnx2x_link_int_enable(struct link_params *params)
  5221. {
  5222. u8 port = params->port;
  5223. u32 mask;
  5224. struct bnx2x *bp = params->bp;
  5225. /* Setting the status to report on link up for either XGXS or SerDes */
  5226. if (CHIP_IS_E3(bp)) {
  5227. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5228. if (!(SINGLE_MEDIA_DIRECT(params)))
  5229. mask |= NIG_MASK_MI_INT;
  5230. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5231. mask = (NIG_MASK_XGXS0_LINK10G |
  5232. NIG_MASK_XGXS0_LINK_STATUS);
  5233. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5234. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5235. params->phy[INT_PHY].type !=
  5236. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5237. mask |= NIG_MASK_MI_INT;
  5238. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5239. }
  5240. } else { /* SerDes */
  5241. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5242. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5243. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5244. params->phy[INT_PHY].type !=
  5245. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5246. mask |= NIG_MASK_MI_INT;
  5247. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5248. }
  5249. }
  5250. bnx2x_bits_en(bp,
  5251. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5252. mask);
  5253. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5254. (params->switch_cfg == SWITCH_CFG_10G),
  5255. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5256. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5257. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5258. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5259. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5260. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5261. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5262. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5263. }
  5264. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5265. u8 exp_mi_int)
  5266. {
  5267. u32 latch_status = 0;
  5268. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5269. * status register. Link down indication is high-active-signal,
  5270. * so in this case we need to write the status to clear the XOR
  5271. */
  5272. /* Read Latched signals */
  5273. latch_status = REG_RD(bp,
  5274. NIG_REG_LATCH_STATUS_0 + port*8);
  5275. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5276. /* Handle only those with latched-signal=up.*/
  5277. if (exp_mi_int)
  5278. bnx2x_bits_en(bp,
  5279. NIG_REG_STATUS_INTERRUPT_PORT0
  5280. + port*4,
  5281. NIG_STATUS_EMAC0_MI_INT);
  5282. else
  5283. bnx2x_bits_dis(bp,
  5284. NIG_REG_STATUS_INTERRUPT_PORT0
  5285. + port*4,
  5286. NIG_STATUS_EMAC0_MI_INT);
  5287. if (latch_status & 1) {
  5288. /* For all latched-signal=up : Re-Arm Latch signals */
  5289. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5290. (latch_status & 0xfffe) | (latch_status & 1));
  5291. }
  5292. /* For all latched-signal=up,Write original_signal to status */
  5293. }
  5294. static void bnx2x_link_int_ack(struct link_params *params,
  5295. struct link_vars *vars, u8 is_10g_plus)
  5296. {
  5297. struct bnx2x *bp = params->bp;
  5298. u8 port = params->port;
  5299. u32 mask;
  5300. /* First reset all status we assume only one line will be
  5301. * change at a time
  5302. */
  5303. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5304. (NIG_STATUS_XGXS0_LINK10G |
  5305. NIG_STATUS_XGXS0_LINK_STATUS |
  5306. NIG_STATUS_SERDES0_LINK_STATUS));
  5307. if (vars->phy_link_up) {
  5308. if (USES_WARPCORE(bp))
  5309. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5310. else {
  5311. if (is_10g_plus)
  5312. mask = NIG_STATUS_XGXS0_LINK10G;
  5313. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5314. /* Disable the link interrupt by writing 1 to
  5315. * the relevant lane in the status register
  5316. */
  5317. u32 ser_lane =
  5318. ((params->lane_config &
  5319. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5320. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5321. mask = ((1 << ser_lane) <<
  5322. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5323. } else
  5324. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5325. }
  5326. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5327. mask);
  5328. bnx2x_bits_en(bp,
  5329. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5330. mask);
  5331. }
  5332. }
  5333. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5334. {
  5335. u8 *str_ptr = str;
  5336. u32 mask = 0xf0000000;
  5337. u8 shift = 8*4;
  5338. u8 digit;
  5339. u8 remove_leading_zeros = 1;
  5340. if (*len < 10) {
  5341. /* Need more than 10chars for this format */
  5342. *str_ptr = '\0';
  5343. (*len)--;
  5344. return -EINVAL;
  5345. }
  5346. while (shift > 0) {
  5347. shift -= 4;
  5348. digit = ((num & mask) >> shift);
  5349. if (digit == 0 && remove_leading_zeros) {
  5350. mask = mask >> 4;
  5351. continue;
  5352. } else if (digit < 0xa)
  5353. *str_ptr = digit + '0';
  5354. else
  5355. *str_ptr = digit - 0xa + 'a';
  5356. remove_leading_zeros = 0;
  5357. str_ptr++;
  5358. (*len)--;
  5359. mask = mask >> 4;
  5360. if (shift == 4*4) {
  5361. *str_ptr = '.';
  5362. str_ptr++;
  5363. (*len)--;
  5364. remove_leading_zeros = 1;
  5365. }
  5366. }
  5367. return 0;
  5368. }
  5369. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5370. {
  5371. str[0] = '\0';
  5372. (*len)--;
  5373. return 0;
  5374. }
  5375. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5376. u16 len)
  5377. {
  5378. struct bnx2x *bp;
  5379. u32 spirom_ver = 0;
  5380. int status = 0;
  5381. u8 *ver_p = version;
  5382. u16 remain_len = len;
  5383. if (version == NULL || params == NULL)
  5384. return -EINVAL;
  5385. bp = params->bp;
  5386. /* Extract first external phy*/
  5387. version[0] = '\0';
  5388. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5389. if (params->phy[EXT_PHY1].format_fw_ver) {
  5390. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5391. ver_p,
  5392. &remain_len);
  5393. ver_p += (len - remain_len);
  5394. }
  5395. if ((params->num_phys == MAX_PHYS) &&
  5396. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5397. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5398. if (params->phy[EXT_PHY2].format_fw_ver) {
  5399. *ver_p = '/';
  5400. ver_p++;
  5401. remain_len--;
  5402. status |= params->phy[EXT_PHY2].format_fw_ver(
  5403. spirom_ver,
  5404. ver_p,
  5405. &remain_len);
  5406. ver_p = version + (len - remain_len);
  5407. }
  5408. }
  5409. *ver_p = '\0';
  5410. return status;
  5411. }
  5412. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5413. struct link_params *params)
  5414. {
  5415. u8 port = params->port;
  5416. struct bnx2x *bp = params->bp;
  5417. if (phy->req_line_speed != SPEED_1000) {
  5418. u32 md_devad = 0;
  5419. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5420. if (!CHIP_IS_E3(bp)) {
  5421. /* Change the uni_phy_addr in the nig */
  5422. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5423. port*0x18));
  5424. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5425. 0x5);
  5426. }
  5427. bnx2x_cl45_write(bp, phy,
  5428. 5,
  5429. (MDIO_REG_BANK_AER_BLOCK +
  5430. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5431. 0x2800);
  5432. bnx2x_cl45_write(bp, phy,
  5433. 5,
  5434. (MDIO_REG_BANK_CL73_IEEEB0 +
  5435. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5436. 0x6041);
  5437. msleep(200);
  5438. /* Set aer mmd back */
  5439. bnx2x_set_aer_mmd(params, phy);
  5440. if (!CHIP_IS_E3(bp)) {
  5441. /* And md_devad */
  5442. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5443. md_devad);
  5444. }
  5445. } else {
  5446. u16 mii_ctrl;
  5447. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5448. bnx2x_cl45_read(bp, phy, 5,
  5449. (MDIO_REG_BANK_COMBO_IEEE0 +
  5450. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5451. &mii_ctrl);
  5452. bnx2x_cl45_write(bp, phy, 5,
  5453. (MDIO_REG_BANK_COMBO_IEEE0 +
  5454. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5455. mii_ctrl |
  5456. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5457. }
  5458. }
  5459. int bnx2x_set_led(struct link_params *params,
  5460. struct link_vars *vars, u8 mode, u32 speed)
  5461. {
  5462. u8 port = params->port;
  5463. u16 hw_led_mode = params->hw_led_mode;
  5464. int rc = 0;
  5465. u8 phy_idx;
  5466. u32 tmp;
  5467. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5468. struct bnx2x *bp = params->bp;
  5469. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5470. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5471. speed, hw_led_mode);
  5472. /* In case */
  5473. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5474. if (params->phy[phy_idx].set_link_led) {
  5475. params->phy[phy_idx].set_link_led(
  5476. &params->phy[phy_idx], params, mode);
  5477. }
  5478. }
  5479. switch (mode) {
  5480. case LED_MODE_FRONT_PANEL_OFF:
  5481. case LED_MODE_OFF:
  5482. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5483. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5484. SHARED_HW_CFG_LED_MAC1);
  5485. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5486. if (params->phy[EXT_PHY1].type ==
  5487. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5488. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5489. EMAC_LED_100MB_OVERRIDE |
  5490. EMAC_LED_10MB_OVERRIDE);
  5491. else
  5492. tmp |= EMAC_LED_OVERRIDE;
  5493. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5494. break;
  5495. case LED_MODE_OPER:
  5496. /* For all other phys, OPER mode is same as ON, so in case
  5497. * link is down, do nothing
  5498. */
  5499. if (!vars->link_up)
  5500. break;
  5501. case LED_MODE_ON:
  5502. if (((params->phy[EXT_PHY1].type ==
  5503. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5504. (params->phy[EXT_PHY1].type ==
  5505. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5506. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5507. /* This is a work-around for E2+8727 Configurations */
  5508. if (mode == LED_MODE_ON ||
  5509. speed == SPEED_10000){
  5510. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5511. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5512. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5513. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5514. (tmp | EMAC_LED_OVERRIDE));
  5515. /* Return here without enabling traffic
  5516. * LED blink and setting rate in ON mode.
  5517. * In oper mode, enabling LED blink
  5518. * and setting rate is needed.
  5519. */
  5520. if (mode == LED_MODE_ON)
  5521. return rc;
  5522. }
  5523. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5524. /* This is a work-around for HW issue found when link
  5525. * is up in CL73
  5526. */
  5527. if ((!CHIP_IS_E3(bp)) ||
  5528. (CHIP_IS_E3(bp) &&
  5529. mode == LED_MODE_ON))
  5530. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5531. if (CHIP_IS_E1x(bp) ||
  5532. CHIP_IS_E2(bp) ||
  5533. (mode == LED_MODE_ON))
  5534. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5535. else
  5536. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5537. hw_led_mode);
  5538. } else if ((params->phy[EXT_PHY1].type ==
  5539. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5540. (mode == LED_MODE_ON)) {
  5541. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5542. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5543. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5544. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5545. /* Break here; otherwise, it'll disable the
  5546. * intended override.
  5547. */
  5548. break;
  5549. } else {
  5550. u32 nig_led_mode = ((params->hw_led_mode <<
  5551. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5552. SHARED_HW_CFG_LED_EXTPHY2) ?
  5553. (SHARED_HW_CFG_LED_PHY1 >>
  5554. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5555. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5556. nig_led_mode);
  5557. }
  5558. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5559. /* Set blinking rate to ~15.9Hz */
  5560. if (CHIP_IS_E3(bp))
  5561. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5562. LED_BLINK_RATE_VAL_E3);
  5563. else
  5564. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5565. LED_BLINK_RATE_VAL_E1X_E2);
  5566. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5567. port*4, 1);
  5568. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5569. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5570. (tmp & (~EMAC_LED_OVERRIDE)));
  5571. if (CHIP_IS_E1(bp) &&
  5572. ((speed == SPEED_2500) ||
  5573. (speed == SPEED_1000) ||
  5574. (speed == SPEED_100) ||
  5575. (speed == SPEED_10))) {
  5576. /* For speeds less than 10G LED scheme is different */
  5577. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5578. + port*4, 1);
  5579. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5580. port*4, 0);
  5581. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5582. port*4, 1);
  5583. }
  5584. break;
  5585. default:
  5586. rc = -EINVAL;
  5587. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5588. mode);
  5589. break;
  5590. }
  5591. return rc;
  5592. }
  5593. /* This function comes to reflect the actual link state read DIRECTLY from the
  5594. * HW
  5595. */
  5596. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5597. u8 is_serdes)
  5598. {
  5599. struct bnx2x *bp = params->bp;
  5600. u16 gp_status = 0, phy_index = 0;
  5601. u8 ext_phy_link_up = 0, serdes_phy_type;
  5602. struct link_vars temp_vars;
  5603. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5604. if (CHIP_IS_E3(bp)) {
  5605. u16 link_up;
  5606. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5607. > SPEED_10000) {
  5608. /* Check 20G link */
  5609. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5610. 1, &link_up);
  5611. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5612. 1, &link_up);
  5613. link_up &= (1<<2);
  5614. } else {
  5615. /* Check 10G link and below*/
  5616. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5617. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5618. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5619. &gp_status);
  5620. gp_status = ((gp_status >> 8) & 0xf) |
  5621. ((gp_status >> 12) & 0xf);
  5622. link_up = gp_status & (1 << lane);
  5623. }
  5624. if (!link_up)
  5625. return -ESRCH;
  5626. } else {
  5627. CL22_RD_OVER_CL45(bp, int_phy,
  5628. MDIO_REG_BANK_GP_STATUS,
  5629. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5630. &gp_status);
  5631. /* Link is up only if both local phy and external phy are up */
  5632. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5633. return -ESRCH;
  5634. }
  5635. /* In XGXS loopback mode, do not check external PHY */
  5636. if (params->loopback_mode == LOOPBACK_XGXS)
  5637. return 0;
  5638. switch (params->num_phys) {
  5639. case 1:
  5640. /* No external PHY */
  5641. return 0;
  5642. case 2:
  5643. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5644. &params->phy[EXT_PHY1],
  5645. params, &temp_vars);
  5646. break;
  5647. case 3: /* Dual Media */
  5648. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5649. phy_index++) {
  5650. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5651. ETH_PHY_SFPP_10G_FIBER) ||
  5652. (params->phy[phy_index].media_type ==
  5653. ETH_PHY_SFP_1G_FIBER) ||
  5654. (params->phy[phy_index].media_type ==
  5655. ETH_PHY_XFP_FIBER) ||
  5656. (params->phy[phy_index].media_type ==
  5657. ETH_PHY_DA_TWINAX));
  5658. if (is_serdes != serdes_phy_type)
  5659. continue;
  5660. if (params->phy[phy_index].read_status) {
  5661. ext_phy_link_up |=
  5662. params->phy[phy_index].read_status(
  5663. &params->phy[phy_index],
  5664. params, &temp_vars);
  5665. }
  5666. }
  5667. break;
  5668. }
  5669. if (ext_phy_link_up)
  5670. return 0;
  5671. return -ESRCH;
  5672. }
  5673. static int bnx2x_link_initialize(struct link_params *params,
  5674. struct link_vars *vars)
  5675. {
  5676. int rc = 0;
  5677. u8 phy_index, non_ext_phy;
  5678. struct bnx2x *bp = params->bp;
  5679. /* In case of external phy existence, the line speed would be the
  5680. * line speed linked up by the external phy. In case it is direct
  5681. * only, then the line_speed during initialization will be
  5682. * equal to the req_line_speed
  5683. */
  5684. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5685. /* Initialize the internal phy in case this is a direct board
  5686. * (no external phys), or this board has external phy which requires
  5687. * to first.
  5688. */
  5689. if (!USES_WARPCORE(bp))
  5690. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5691. /* init ext phy and enable link state int */
  5692. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5693. (params->loopback_mode == LOOPBACK_XGXS));
  5694. if (non_ext_phy ||
  5695. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5696. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5697. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5698. if (vars->line_speed == SPEED_AUTO_NEG &&
  5699. (CHIP_IS_E1x(bp) ||
  5700. CHIP_IS_E2(bp)))
  5701. bnx2x_set_parallel_detection(phy, params);
  5702. if (params->phy[INT_PHY].config_init)
  5703. params->phy[INT_PHY].config_init(phy, params, vars);
  5704. }
  5705. /* Re-read this value in case it was changed inside config_init due to
  5706. * limitations of optic module
  5707. */
  5708. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5709. /* Init external phy*/
  5710. if (non_ext_phy) {
  5711. if (params->phy[INT_PHY].supported &
  5712. SUPPORTED_FIBRE)
  5713. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5714. } else {
  5715. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5716. phy_index++) {
  5717. /* No need to initialize second phy in case of first
  5718. * phy only selection. In case of second phy, we do
  5719. * need to initialize the first phy, since they are
  5720. * connected.
  5721. */
  5722. if (params->phy[phy_index].supported &
  5723. SUPPORTED_FIBRE)
  5724. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5725. if (phy_index == EXT_PHY2 &&
  5726. (bnx2x_phy_selection(params) ==
  5727. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5728. DP(NETIF_MSG_LINK,
  5729. "Not initializing second phy\n");
  5730. continue;
  5731. }
  5732. params->phy[phy_index].config_init(
  5733. &params->phy[phy_index],
  5734. params, vars);
  5735. }
  5736. }
  5737. /* Reset the interrupt indication after phy was initialized */
  5738. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5739. params->port*4,
  5740. (NIG_STATUS_XGXS0_LINK10G |
  5741. NIG_STATUS_XGXS0_LINK_STATUS |
  5742. NIG_STATUS_SERDES0_LINK_STATUS |
  5743. NIG_MASK_MI_INT));
  5744. return rc;
  5745. }
  5746. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5747. struct link_params *params)
  5748. {
  5749. /* Reset the SerDes/XGXS */
  5750. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5751. (0x1ff << (params->port*16)));
  5752. }
  5753. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5754. struct link_params *params)
  5755. {
  5756. struct bnx2x *bp = params->bp;
  5757. u8 gpio_port;
  5758. /* HW reset */
  5759. if (CHIP_IS_E2(bp))
  5760. gpio_port = BP_PATH(bp);
  5761. else
  5762. gpio_port = params->port;
  5763. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5764. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5765. gpio_port);
  5766. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5767. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5768. gpio_port);
  5769. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5770. }
  5771. static int bnx2x_update_link_down(struct link_params *params,
  5772. struct link_vars *vars)
  5773. {
  5774. struct bnx2x *bp = params->bp;
  5775. u8 port = params->port;
  5776. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5777. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5778. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5779. /* Indicate no mac active */
  5780. vars->mac_type = MAC_TYPE_NONE;
  5781. /* Update shared memory */
  5782. vars->link_status &= ~LINK_UPDATE_MASK;
  5783. vars->line_speed = 0;
  5784. bnx2x_update_mng(params, vars->link_status);
  5785. /* Activate nig drain */
  5786. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5787. /* Disable emac */
  5788. if (!CHIP_IS_E3(bp))
  5789. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5790. usleep_range(10000, 20000);
  5791. /* Reset BigMac/Xmac */
  5792. if (CHIP_IS_E1x(bp) ||
  5793. CHIP_IS_E2(bp))
  5794. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5795. if (CHIP_IS_E3(bp)) {
  5796. /* Prevent LPI Generation by chip */
  5797. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5798. 0);
  5799. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5800. 0);
  5801. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5802. SHMEM_EEE_ACTIVE_BIT);
  5803. bnx2x_update_mng_eee(params, vars->eee_status);
  5804. bnx2x_set_xmac_rxtx(params, 0);
  5805. bnx2x_set_umac_rxtx(params, 0);
  5806. }
  5807. return 0;
  5808. }
  5809. static int bnx2x_update_link_up(struct link_params *params,
  5810. struct link_vars *vars,
  5811. u8 link_10g)
  5812. {
  5813. struct bnx2x *bp = params->bp;
  5814. u8 phy_idx, port = params->port;
  5815. int rc = 0;
  5816. vars->link_status |= (LINK_STATUS_LINK_UP |
  5817. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5818. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5819. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5820. vars->link_status |=
  5821. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5822. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5823. vars->link_status |=
  5824. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5825. if (USES_WARPCORE(bp)) {
  5826. if (link_10g) {
  5827. if (bnx2x_xmac_enable(params, vars, 0) ==
  5828. -ESRCH) {
  5829. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5830. vars->link_up = 0;
  5831. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5832. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5833. }
  5834. } else
  5835. bnx2x_umac_enable(params, vars, 0);
  5836. bnx2x_set_led(params, vars,
  5837. LED_MODE_OPER, vars->line_speed);
  5838. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5839. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5840. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5841. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5842. (params->port << 2), 1);
  5843. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5844. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5845. (params->port << 2), 0xfc20);
  5846. }
  5847. }
  5848. if ((CHIP_IS_E1x(bp) ||
  5849. CHIP_IS_E2(bp))) {
  5850. if (link_10g) {
  5851. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5852. -ESRCH) {
  5853. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5854. vars->link_up = 0;
  5855. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5856. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5857. }
  5858. bnx2x_set_led(params, vars,
  5859. LED_MODE_OPER, SPEED_10000);
  5860. } else {
  5861. rc = bnx2x_emac_program(params, vars);
  5862. bnx2x_emac_enable(params, vars, 0);
  5863. /* AN complete? */
  5864. if ((vars->link_status &
  5865. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5866. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5867. SINGLE_MEDIA_DIRECT(params))
  5868. bnx2x_set_gmii_tx_driver(params);
  5869. }
  5870. }
  5871. /* PBF - link up */
  5872. if (CHIP_IS_E1x(bp))
  5873. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5874. vars->line_speed);
  5875. /* Disable drain */
  5876. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5877. /* Update shared memory */
  5878. bnx2x_update_mng(params, vars->link_status);
  5879. bnx2x_update_mng_eee(params, vars->eee_status);
  5880. /* Check remote fault */
  5881. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5882. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5883. bnx2x_check_half_open_conn(params, vars, 0);
  5884. break;
  5885. }
  5886. }
  5887. msleep(20);
  5888. return rc;
  5889. }
  5890. /* The bnx2x_link_update function should be called upon link
  5891. * interrupt.
  5892. * Link is considered up as follows:
  5893. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5894. * to be up
  5895. * - SINGLE_MEDIA - The link between the 577xx and the external
  5896. * phy (XGXS) need to up as well as the external link of the
  5897. * phy (PHY_EXT1)
  5898. * - DUAL_MEDIA - The link between the 577xx and the first
  5899. * external phy needs to be up, and at least one of the 2
  5900. * external phy link must be up.
  5901. */
  5902. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5903. {
  5904. struct bnx2x *bp = params->bp;
  5905. struct link_vars phy_vars[MAX_PHYS];
  5906. u8 port = params->port;
  5907. u8 link_10g_plus, phy_index;
  5908. u8 ext_phy_link_up = 0, cur_link_up;
  5909. int rc = 0;
  5910. u8 is_mi_int = 0;
  5911. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5912. u8 active_external_phy = INT_PHY;
  5913. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5914. vars->link_status &= ~LINK_UPDATE_MASK;
  5915. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5916. phy_index++) {
  5917. phy_vars[phy_index].flow_ctrl = 0;
  5918. phy_vars[phy_index].link_status = 0;
  5919. phy_vars[phy_index].line_speed = 0;
  5920. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5921. phy_vars[phy_index].phy_link_up = 0;
  5922. phy_vars[phy_index].link_up = 0;
  5923. phy_vars[phy_index].fault_detected = 0;
  5924. /* different consideration, since vars holds inner state */
  5925. phy_vars[phy_index].eee_status = vars->eee_status;
  5926. }
  5927. if (USES_WARPCORE(bp))
  5928. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5929. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5930. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5931. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5932. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5933. port*0x18) > 0);
  5934. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5935. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5936. is_mi_int,
  5937. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5938. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5939. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5940. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5941. /* Disable emac */
  5942. if (!CHIP_IS_E3(bp))
  5943. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5944. /* Step 1:
  5945. * Check external link change only for external phys, and apply
  5946. * priority selection between them in case the link on both phys
  5947. * is up. Note that instead of the common vars, a temporary
  5948. * vars argument is used since each phy may have different link/
  5949. * speed/duplex result
  5950. */
  5951. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5952. phy_index++) {
  5953. struct bnx2x_phy *phy = &params->phy[phy_index];
  5954. if (!phy->read_status)
  5955. continue;
  5956. /* Read link status and params of this ext phy */
  5957. cur_link_up = phy->read_status(phy, params,
  5958. &phy_vars[phy_index]);
  5959. if (cur_link_up) {
  5960. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5961. phy_index);
  5962. } else {
  5963. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5964. phy_index);
  5965. continue;
  5966. }
  5967. if (!ext_phy_link_up) {
  5968. ext_phy_link_up = 1;
  5969. active_external_phy = phy_index;
  5970. } else {
  5971. switch (bnx2x_phy_selection(params)) {
  5972. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5973. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5974. /* In this option, the first PHY makes sure to pass the
  5975. * traffic through itself only.
  5976. * Its not clear how to reset the link on the second phy
  5977. */
  5978. active_external_phy = EXT_PHY1;
  5979. break;
  5980. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5981. /* In this option, the first PHY makes sure to pass the
  5982. * traffic through the second PHY.
  5983. */
  5984. active_external_phy = EXT_PHY2;
  5985. break;
  5986. default:
  5987. /* Link indication on both PHYs with the following cases
  5988. * is invalid:
  5989. * - FIRST_PHY means that second phy wasn't initialized,
  5990. * hence its link is expected to be down
  5991. * - SECOND_PHY means that first phy should not be able
  5992. * to link up by itself (using configuration)
  5993. * - DEFAULT should be overriden during initialiazation
  5994. */
  5995. DP(NETIF_MSG_LINK, "Invalid link indication"
  5996. "mpc=0x%x. DISABLING LINK !!!\n",
  5997. params->multi_phy_config);
  5998. ext_phy_link_up = 0;
  5999. break;
  6000. }
  6001. }
  6002. }
  6003. prev_line_speed = vars->line_speed;
  6004. /* Step 2:
  6005. * Read the status of the internal phy. In case of
  6006. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6007. * otherwise this is the link between the 577xx and the first
  6008. * external phy
  6009. */
  6010. if (params->phy[INT_PHY].read_status)
  6011. params->phy[INT_PHY].read_status(
  6012. &params->phy[INT_PHY],
  6013. params, vars);
  6014. /* The INT_PHY flow control reside in the vars. This include the
  6015. * case where the speed or flow control are not set to AUTO.
  6016. * Otherwise, the active external phy flow control result is set
  6017. * to the vars. The ext_phy_line_speed is needed to check if the
  6018. * speed is different between the internal phy and external phy.
  6019. * This case may be result of intermediate link speed change.
  6020. */
  6021. if (active_external_phy > INT_PHY) {
  6022. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6023. /* Link speed is taken from the XGXS. AN and FC result from
  6024. * the external phy.
  6025. */
  6026. vars->link_status |= phy_vars[active_external_phy].link_status;
  6027. /* if active_external_phy is first PHY and link is up - disable
  6028. * disable TX on second external PHY
  6029. */
  6030. if (active_external_phy == EXT_PHY1) {
  6031. if (params->phy[EXT_PHY2].phy_specific_func) {
  6032. DP(NETIF_MSG_LINK,
  6033. "Disabling TX on EXT_PHY2\n");
  6034. params->phy[EXT_PHY2].phy_specific_func(
  6035. &params->phy[EXT_PHY2],
  6036. params, DISABLE_TX);
  6037. }
  6038. }
  6039. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6040. vars->duplex = phy_vars[active_external_phy].duplex;
  6041. if (params->phy[active_external_phy].supported &
  6042. SUPPORTED_FIBRE)
  6043. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6044. else
  6045. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6046. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6047. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6048. active_external_phy);
  6049. }
  6050. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6051. phy_index++) {
  6052. if (params->phy[phy_index].flags &
  6053. FLAGS_REARM_LATCH_SIGNAL) {
  6054. bnx2x_rearm_latch_signal(bp, port,
  6055. phy_index ==
  6056. active_external_phy);
  6057. break;
  6058. }
  6059. }
  6060. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6061. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6062. vars->link_status, ext_phy_line_speed);
  6063. /* Upon link speed change set the NIG into drain mode. Comes to
  6064. * deals with possible FIFO glitch due to clk change when speed
  6065. * is decreased without link down indicator
  6066. */
  6067. if (vars->phy_link_up) {
  6068. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6069. (ext_phy_line_speed != vars->line_speed)) {
  6070. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6071. " different than the external"
  6072. " link speed %d\n", vars->line_speed,
  6073. ext_phy_line_speed);
  6074. vars->phy_link_up = 0;
  6075. } else if (prev_line_speed != vars->line_speed) {
  6076. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6077. 0);
  6078. usleep_range(1000, 2000);
  6079. }
  6080. }
  6081. /* Anything 10 and over uses the bmac */
  6082. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6083. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6084. /* In case external phy link is up, and internal link is down
  6085. * (not initialized yet probably after link initialization, it
  6086. * needs to be initialized.
  6087. * Note that after link down-up as result of cable plug, the xgxs
  6088. * link would probably become up again without the need
  6089. * initialize it
  6090. */
  6091. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6092. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6093. " init_preceding = %d\n", ext_phy_link_up,
  6094. vars->phy_link_up,
  6095. params->phy[EXT_PHY1].flags &
  6096. FLAGS_INIT_XGXS_FIRST);
  6097. if (!(params->phy[EXT_PHY1].flags &
  6098. FLAGS_INIT_XGXS_FIRST)
  6099. && ext_phy_link_up && !vars->phy_link_up) {
  6100. vars->line_speed = ext_phy_line_speed;
  6101. if (vars->line_speed < SPEED_1000)
  6102. vars->phy_flags |= PHY_SGMII_FLAG;
  6103. else
  6104. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6105. if (params->phy[INT_PHY].config_init)
  6106. params->phy[INT_PHY].config_init(
  6107. &params->phy[INT_PHY], params,
  6108. vars);
  6109. }
  6110. }
  6111. /* Link is up only if both local phy and external phy (in case of
  6112. * non-direct board) are up and no fault detected on active PHY.
  6113. */
  6114. vars->link_up = (vars->phy_link_up &&
  6115. (ext_phy_link_up ||
  6116. SINGLE_MEDIA_DIRECT(params)) &&
  6117. (phy_vars[active_external_phy].fault_detected == 0));
  6118. /* Update the PFC configuration in case it was changed */
  6119. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6120. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6121. else
  6122. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6123. if (vars->link_up)
  6124. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6125. else
  6126. rc = bnx2x_update_link_down(params, vars);
  6127. /* Update MCP link status was changed */
  6128. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6129. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6130. return rc;
  6131. }
  6132. /*****************************************************************************/
  6133. /* External Phy section */
  6134. /*****************************************************************************/
  6135. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6136. {
  6137. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6138. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6139. usleep_range(1000, 2000);
  6140. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6141. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6142. }
  6143. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6144. u32 spirom_ver, u32 ver_addr)
  6145. {
  6146. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6147. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6148. if (ver_addr)
  6149. REG_WR(bp, ver_addr, spirom_ver);
  6150. }
  6151. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6152. struct bnx2x_phy *phy,
  6153. u8 port)
  6154. {
  6155. u16 fw_ver1, fw_ver2;
  6156. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6157. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6158. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6159. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6160. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6161. phy->ver_addr);
  6162. }
  6163. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6164. struct bnx2x_phy *phy,
  6165. struct link_vars *vars)
  6166. {
  6167. u16 val;
  6168. bnx2x_cl45_read(bp, phy,
  6169. MDIO_AN_DEVAD,
  6170. MDIO_AN_REG_STATUS, &val);
  6171. bnx2x_cl45_read(bp, phy,
  6172. MDIO_AN_DEVAD,
  6173. MDIO_AN_REG_STATUS, &val);
  6174. if (val & (1<<5))
  6175. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6176. if ((val & (1<<0)) == 0)
  6177. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6178. }
  6179. /******************************************************************/
  6180. /* common BCM8073/BCM8727 PHY SECTION */
  6181. /******************************************************************/
  6182. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6183. struct link_params *params,
  6184. struct link_vars *vars)
  6185. {
  6186. struct bnx2x *bp = params->bp;
  6187. if (phy->req_line_speed == SPEED_10 ||
  6188. phy->req_line_speed == SPEED_100) {
  6189. vars->flow_ctrl = phy->req_flow_ctrl;
  6190. return;
  6191. }
  6192. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6193. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6194. u16 pause_result;
  6195. u16 ld_pause; /* local */
  6196. u16 lp_pause; /* link partner */
  6197. bnx2x_cl45_read(bp, phy,
  6198. MDIO_AN_DEVAD,
  6199. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6200. bnx2x_cl45_read(bp, phy,
  6201. MDIO_AN_DEVAD,
  6202. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6203. pause_result = (ld_pause &
  6204. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6205. pause_result |= (lp_pause &
  6206. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6207. bnx2x_pause_resolve(vars, pause_result);
  6208. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6209. pause_result);
  6210. }
  6211. }
  6212. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6213. struct bnx2x_phy *phy,
  6214. u8 port)
  6215. {
  6216. u32 count = 0;
  6217. u16 fw_ver1, fw_msgout;
  6218. int rc = 0;
  6219. /* Boot port from external ROM */
  6220. /* EDC grst */
  6221. bnx2x_cl45_write(bp, phy,
  6222. MDIO_PMA_DEVAD,
  6223. MDIO_PMA_REG_GEN_CTRL,
  6224. 0x0001);
  6225. /* Ucode reboot and rst */
  6226. bnx2x_cl45_write(bp, phy,
  6227. MDIO_PMA_DEVAD,
  6228. MDIO_PMA_REG_GEN_CTRL,
  6229. 0x008c);
  6230. bnx2x_cl45_write(bp, phy,
  6231. MDIO_PMA_DEVAD,
  6232. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6233. /* Reset internal microprocessor */
  6234. bnx2x_cl45_write(bp, phy,
  6235. MDIO_PMA_DEVAD,
  6236. MDIO_PMA_REG_GEN_CTRL,
  6237. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6238. /* Release srst bit */
  6239. bnx2x_cl45_write(bp, phy,
  6240. MDIO_PMA_DEVAD,
  6241. MDIO_PMA_REG_GEN_CTRL,
  6242. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6243. /* Delay 100ms per the PHY specifications */
  6244. msleep(100);
  6245. /* 8073 sometimes taking longer to download */
  6246. do {
  6247. count++;
  6248. if (count > 300) {
  6249. DP(NETIF_MSG_LINK,
  6250. "bnx2x_8073_8727_external_rom_boot port %x:"
  6251. "Download failed. fw version = 0x%x\n",
  6252. port, fw_ver1);
  6253. rc = -EINVAL;
  6254. break;
  6255. }
  6256. bnx2x_cl45_read(bp, phy,
  6257. MDIO_PMA_DEVAD,
  6258. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6259. bnx2x_cl45_read(bp, phy,
  6260. MDIO_PMA_DEVAD,
  6261. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6262. usleep_range(1000, 2000);
  6263. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6264. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6265. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6266. /* Clear ser_boot_ctl bit */
  6267. bnx2x_cl45_write(bp, phy,
  6268. MDIO_PMA_DEVAD,
  6269. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6270. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6271. DP(NETIF_MSG_LINK,
  6272. "bnx2x_8073_8727_external_rom_boot port %x:"
  6273. "Download complete. fw version = 0x%x\n",
  6274. port, fw_ver1);
  6275. return rc;
  6276. }
  6277. /******************************************************************/
  6278. /* BCM8073 PHY SECTION */
  6279. /******************************************************************/
  6280. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6281. {
  6282. /* This is only required for 8073A1, version 102 only */
  6283. u16 val;
  6284. /* Read 8073 HW revision*/
  6285. bnx2x_cl45_read(bp, phy,
  6286. MDIO_PMA_DEVAD,
  6287. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6288. if (val != 1) {
  6289. /* No need to workaround in 8073 A1 */
  6290. return 0;
  6291. }
  6292. bnx2x_cl45_read(bp, phy,
  6293. MDIO_PMA_DEVAD,
  6294. MDIO_PMA_REG_ROM_VER2, &val);
  6295. /* SNR should be applied only for version 0x102 */
  6296. if (val != 0x102)
  6297. return 0;
  6298. return 1;
  6299. }
  6300. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6301. {
  6302. u16 val, cnt, cnt1 ;
  6303. bnx2x_cl45_read(bp, phy,
  6304. MDIO_PMA_DEVAD,
  6305. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6306. if (val > 0) {
  6307. /* No need to workaround in 8073 A1 */
  6308. return 0;
  6309. }
  6310. /* XAUI workaround in 8073 A0: */
  6311. /* After loading the boot ROM and restarting Autoneg, poll
  6312. * Dev1, Reg $C820:
  6313. */
  6314. for (cnt = 0; cnt < 1000; cnt++) {
  6315. bnx2x_cl45_read(bp, phy,
  6316. MDIO_PMA_DEVAD,
  6317. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6318. &val);
  6319. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6320. * system initialization (XAUI work-around not required, as
  6321. * these bits indicate 2.5G or 1G link up).
  6322. */
  6323. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6324. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6325. return 0;
  6326. } else if (!(val & (1<<15))) {
  6327. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6328. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6329. * MSB (bit15) goes to 1 (indicating that the XAUI
  6330. * workaround has completed), then continue on with
  6331. * system initialization.
  6332. */
  6333. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6334. bnx2x_cl45_read(bp, phy,
  6335. MDIO_PMA_DEVAD,
  6336. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6337. if (val & (1<<15)) {
  6338. DP(NETIF_MSG_LINK,
  6339. "XAUI workaround has completed\n");
  6340. return 0;
  6341. }
  6342. usleep_range(3000, 6000);
  6343. }
  6344. break;
  6345. }
  6346. usleep_range(3000, 6000);
  6347. }
  6348. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6349. return -EINVAL;
  6350. }
  6351. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6352. {
  6353. /* Force KR or KX */
  6354. bnx2x_cl45_write(bp, phy,
  6355. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6356. bnx2x_cl45_write(bp, phy,
  6357. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6358. bnx2x_cl45_write(bp, phy,
  6359. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6360. bnx2x_cl45_write(bp, phy,
  6361. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6362. }
  6363. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6364. struct bnx2x_phy *phy,
  6365. struct link_vars *vars)
  6366. {
  6367. u16 cl37_val;
  6368. struct bnx2x *bp = params->bp;
  6369. bnx2x_cl45_read(bp, phy,
  6370. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6371. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6372. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6373. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6374. if ((vars->ieee_fc &
  6375. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6376. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6377. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6378. }
  6379. if ((vars->ieee_fc &
  6380. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6381. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6382. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6383. }
  6384. if ((vars->ieee_fc &
  6385. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6386. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6387. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6388. }
  6389. DP(NETIF_MSG_LINK,
  6390. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6391. bnx2x_cl45_write(bp, phy,
  6392. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6393. msleep(500);
  6394. }
  6395. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6396. struct link_params *params,
  6397. u32 action)
  6398. {
  6399. struct bnx2x *bp = params->bp;
  6400. switch (action) {
  6401. case PHY_INIT:
  6402. /* Enable LASI */
  6403. bnx2x_cl45_write(bp, phy,
  6404. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6405. bnx2x_cl45_write(bp, phy,
  6406. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6407. break;
  6408. }
  6409. }
  6410. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6411. struct link_params *params,
  6412. struct link_vars *vars)
  6413. {
  6414. struct bnx2x *bp = params->bp;
  6415. u16 val = 0, tmp1;
  6416. u8 gpio_port;
  6417. DP(NETIF_MSG_LINK, "Init 8073\n");
  6418. if (CHIP_IS_E2(bp))
  6419. gpio_port = BP_PATH(bp);
  6420. else
  6421. gpio_port = params->port;
  6422. /* Restore normal power mode*/
  6423. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6424. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6425. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6426. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6427. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6428. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6429. bnx2x_cl45_read(bp, phy,
  6430. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6431. bnx2x_cl45_read(bp, phy,
  6432. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6433. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6434. /* Swap polarity if required - Must be done only in non-1G mode */
  6435. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6436. /* Configure the 8073 to swap _P and _N of the KR lines */
  6437. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6438. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6439. bnx2x_cl45_read(bp, phy,
  6440. MDIO_PMA_DEVAD,
  6441. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6442. bnx2x_cl45_write(bp, phy,
  6443. MDIO_PMA_DEVAD,
  6444. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6445. (val | (3<<9)));
  6446. }
  6447. /* Enable CL37 BAM */
  6448. if (REG_RD(bp, params->shmem_base +
  6449. offsetof(struct shmem_region, dev_info.
  6450. port_hw_config[params->port].default_cfg)) &
  6451. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6452. bnx2x_cl45_read(bp, phy,
  6453. MDIO_AN_DEVAD,
  6454. MDIO_AN_REG_8073_BAM, &val);
  6455. bnx2x_cl45_write(bp, phy,
  6456. MDIO_AN_DEVAD,
  6457. MDIO_AN_REG_8073_BAM, val | 1);
  6458. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6459. }
  6460. if (params->loopback_mode == LOOPBACK_EXT) {
  6461. bnx2x_807x_force_10G(bp, phy);
  6462. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6463. return 0;
  6464. } else {
  6465. bnx2x_cl45_write(bp, phy,
  6466. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6467. }
  6468. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6469. if (phy->req_line_speed == SPEED_10000) {
  6470. val = (1<<7);
  6471. } else if (phy->req_line_speed == SPEED_2500) {
  6472. val = (1<<5);
  6473. /* Note that 2.5G works only when used with 1G
  6474. * advertisement
  6475. */
  6476. } else
  6477. val = (1<<5);
  6478. } else {
  6479. val = 0;
  6480. if (phy->speed_cap_mask &
  6481. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6482. val |= (1<<7);
  6483. /* Note that 2.5G works only when used with 1G advertisement */
  6484. if (phy->speed_cap_mask &
  6485. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6486. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6487. val |= (1<<5);
  6488. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6489. }
  6490. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6491. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6492. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6493. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6494. (phy->req_line_speed == SPEED_2500)) {
  6495. u16 phy_ver;
  6496. /* Allow 2.5G for A1 and above */
  6497. bnx2x_cl45_read(bp, phy,
  6498. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6499. &phy_ver);
  6500. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6501. if (phy_ver > 0)
  6502. tmp1 |= 1;
  6503. else
  6504. tmp1 &= 0xfffe;
  6505. } else {
  6506. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6507. tmp1 &= 0xfffe;
  6508. }
  6509. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6510. /* Add support for CL37 (passive mode) II */
  6511. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6512. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6513. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6514. 0x20 : 0x40)));
  6515. /* Add support for CL37 (passive mode) III */
  6516. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6517. /* The SNR will improve about 2db by changing BW and FEE main
  6518. * tap. Rest commands are executed after link is up
  6519. * Change FFE main cursor to 5 in EDC register
  6520. */
  6521. if (bnx2x_8073_is_snr_needed(bp, phy))
  6522. bnx2x_cl45_write(bp, phy,
  6523. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6524. 0xFB0C);
  6525. /* Enable FEC (Forware Error Correction) Request in the AN */
  6526. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6527. tmp1 |= (1<<15);
  6528. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6529. bnx2x_ext_phy_set_pause(params, phy, vars);
  6530. /* Restart autoneg */
  6531. msleep(500);
  6532. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6533. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6534. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6535. return 0;
  6536. }
  6537. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6538. struct link_params *params,
  6539. struct link_vars *vars)
  6540. {
  6541. struct bnx2x *bp = params->bp;
  6542. u8 link_up = 0;
  6543. u16 val1, val2;
  6544. u16 link_status = 0;
  6545. u16 an1000_status = 0;
  6546. bnx2x_cl45_read(bp, phy,
  6547. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6548. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6549. /* Clear the interrupt LASI status register */
  6550. bnx2x_cl45_read(bp, phy,
  6551. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6552. bnx2x_cl45_read(bp, phy,
  6553. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6554. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6555. /* Clear MSG-OUT */
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6558. /* Check the LASI */
  6559. bnx2x_cl45_read(bp, phy,
  6560. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6561. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6562. /* Check the link status */
  6563. bnx2x_cl45_read(bp, phy,
  6564. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6565. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6566. bnx2x_cl45_read(bp, phy,
  6567. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6568. bnx2x_cl45_read(bp, phy,
  6569. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6570. link_up = ((val1 & 4) == 4);
  6571. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6572. if (link_up &&
  6573. ((phy->req_line_speed != SPEED_10000))) {
  6574. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6575. return 0;
  6576. }
  6577. bnx2x_cl45_read(bp, phy,
  6578. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6579. bnx2x_cl45_read(bp, phy,
  6580. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6581. /* Check the link status on 1.1.2 */
  6582. bnx2x_cl45_read(bp, phy,
  6583. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6584. bnx2x_cl45_read(bp, phy,
  6585. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6586. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6587. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6588. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6589. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6590. /* The SNR will improve about 2dbby changing the BW and FEE main
  6591. * tap. The 1st write to change FFE main tap is set before
  6592. * restart AN. Change PLL Bandwidth in EDC register
  6593. */
  6594. bnx2x_cl45_write(bp, phy,
  6595. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6596. 0x26BC);
  6597. /* Change CDR Bandwidth in EDC register */
  6598. bnx2x_cl45_write(bp, phy,
  6599. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6600. 0x0333);
  6601. }
  6602. bnx2x_cl45_read(bp, phy,
  6603. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6604. &link_status);
  6605. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6606. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6607. link_up = 1;
  6608. vars->line_speed = SPEED_10000;
  6609. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6610. params->port);
  6611. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6612. link_up = 1;
  6613. vars->line_speed = SPEED_2500;
  6614. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6615. params->port);
  6616. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6617. link_up = 1;
  6618. vars->line_speed = SPEED_1000;
  6619. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6620. params->port);
  6621. } else {
  6622. link_up = 0;
  6623. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6624. params->port);
  6625. }
  6626. if (link_up) {
  6627. /* Swap polarity if required */
  6628. if (params->lane_config &
  6629. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6630. /* Configure the 8073 to swap P and N of the KR lines */
  6631. bnx2x_cl45_read(bp, phy,
  6632. MDIO_XS_DEVAD,
  6633. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6634. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6635. * when it`s in 10G mode.
  6636. */
  6637. if (vars->line_speed == SPEED_1000) {
  6638. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6639. "the 8073\n");
  6640. val1 |= (1<<3);
  6641. } else
  6642. val1 &= ~(1<<3);
  6643. bnx2x_cl45_write(bp, phy,
  6644. MDIO_XS_DEVAD,
  6645. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6646. val1);
  6647. }
  6648. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6649. bnx2x_8073_resolve_fc(phy, params, vars);
  6650. vars->duplex = DUPLEX_FULL;
  6651. }
  6652. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6653. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6654. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6655. if (val1 & (1<<5))
  6656. vars->link_status |=
  6657. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6658. if (val1 & (1<<7))
  6659. vars->link_status |=
  6660. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6661. }
  6662. return link_up;
  6663. }
  6664. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6665. struct link_params *params)
  6666. {
  6667. struct bnx2x *bp = params->bp;
  6668. u8 gpio_port;
  6669. if (CHIP_IS_E2(bp))
  6670. gpio_port = BP_PATH(bp);
  6671. else
  6672. gpio_port = params->port;
  6673. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6674. gpio_port);
  6675. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6676. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6677. gpio_port);
  6678. }
  6679. /******************************************************************/
  6680. /* BCM8705 PHY SECTION */
  6681. /******************************************************************/
  6682. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6683. struct link_params *params,
  6684. struct link_vars *vars)
  6685. {
  6686. struct bnx2x *bp = params->bp;
  6687. DP(NETIF_MSG_LINK, "init 8705\n");
  6688. /* Restore normal power mode*/
  6689. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6690. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6691. /* HW reset */
  6692. bnx2x_ext_phy_hw_reset(bp, params->port);
  6693. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6694. bnx2x_wait_reset_complete(bp, phy, params);
  6695. bnx2x_cl45_write(bp, phy,
  6696. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6697. bnx2x_cl45_write(bp, phy,
  6698. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6699. bnx2x_cl45_write(bp, phy,
  6700. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6701. bnx2x_cl45_write(bp, phy,
  6702. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6703. /* BCM8705 doesn't have microcode, hence the 0 */
  6704. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6705. return 0;
  6706. }
  6707. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6708. struct link_params *params,
  6709. struct link_vars *vars)
  6710. {
  6711. u8 link_up = 0;
  6712. u16 val1, rx_sd;
  6713. struct bnx2x *bp = params->bp;
  6714. DP(NETIF_MSG_LINK, "read status 8705\n");
  6715. bnx2x_cl45_read(bp, phy,
  6716. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6717. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6718. bnx2x_cl45_read(bp, phy,
  6719. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6720. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6721. bnx2x_cl45_read(bp, phy,
  6722. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6723. bnx2x_cl45_read(bp, phy,
  6724. MDIO_PMA_DEVAD, 0xc809, &val1);
  6725. bnx2x_cl45_read(bp, phy,
  6726. MDIO_PMA_DEVAD, 0xc809, &val1);
  6727. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6728. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6729. if (link_up) {
  6730. vars->line_speed = SPEED_10000;
  6731. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6732. }
  6733. return link_up;
  6734. }
  6735. /******************************************************************/
  6736. /* SFP+ module Section */
  6737. /******************************************************************/
  6738. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6739. struct bnx2x_phy *phy,
  6740. u8 pmd_dis)
  6741. {
  6742. struct bnx2x *bp = params->bp;
  6743. /* Disable transmitter only for bootcodes which can enable it afterwards
  6744. * (for D3 link)
  6745. */
  6746. if (pmd_dis) {
  6747. if (params->feature_config_flags &
  6748. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6749. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6750. else {
  6751. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6752. return;
  6753. }
  6754. } else
  6755. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6756. bnx2x_cl45_write(bp, phy,
  6757. MDIO_PMA_DEVAD,
  6758. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6759. }
  6760. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6761. {
  6762. u8 gpio_port;
  6763. u32 swap_val, swap_override;
  6764. struct bnx2x *bp = params->bp;
  6765. if (CHIP_IS_E2(bp))
  6766. gpio_port = BP_PATH(bp);
  6767. else
  6768. gpio_port = params->port;
  6769. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6770. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6771. return gpio_port ^ (swap_val && swap_override);
  6772. }
  6773. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6774. struct bnx2x_phy *phy,
  6775. u8 tx_en)
  6776. {
  6777. u16 val;
  6778. u8 port = params->port;
  6779. struct bnx2x *bp = params->bp;
  6780. u32 tx_en_mode;
  6781. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6782. tx_en_mode = REG_RD(bp, params->shmem_base +
  6783. offsetof(struct shmem_region,
  6784. dev_info.port_hw_config[port].sfp_ctrl)) &
  6785. PORT_HW_CFG_TX_LASER_MASK;
  6786. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6787. "mode = %x\n", tx_en, port, tx_en_mode);
  6788. switch (tx_en_mode) {
  6789. case PORT_HW_CFG_TX_LASER_MDIO:
  6790. bnx2x_cl45_read(bp, phy,
  6791. MDIO_PMA_DEVAD,
  6792. MDIO_PMA_REG_PHY_IDENTIFIER,
  6793. &val);
  6794. if (tx_en)
  6795. val &= ~(1<<15);
  6796. else
  6797. val |= (1<<15);
  6798. bnx2x_cl45_write(bp, phy,
  6799. MDIO_PMA_DEVAD,
  6800. MDIO_PMA_REG_PHY_IDENTIFIER,
  6801. val);
  6802. break;
  6803. case PORT_HW_CFG_TX_LASER_GPIO0:
  6804. case PORT_HW_CFG_TX_LASER_GPIO1:
  6805. case PORT_HW_CFG_TX_LASER_GPIO2:
  6806. case PORT_HW_CFG_TX_LASER_GPIO3:
  6807. {
  6808. u16 gpio_pin;
  6809. u8 gpio_port, gpio_mode;
  6810. if (tx_en)
  6811. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6812. else
  6813. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6814. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6815. gpio_port = bnx2x_get_gpio_port(params);
  6816. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6817. break;
  6818. }
  6819. default:
  6820. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6821. break;
  6822. }
  6823. }
  6824. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6825. struct bnx2x_phy *phy,
  6826. u8 tx_en)
  6827. {
  6828. struct bnx2x *bp = params->bp;
  6829. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6830. if (CHIP_IS_E3(bp))
  6831. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6832. else
  6833. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6834. }
  6835. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6836. struct link_params *params,
  6837. u8 dev_addr, u16 addr, u8 byte_cnt,
  6838. u8 *o_buf, u8 is_init)
  6839. {
  6840. struct bnx2x *bp = params->bp;
  6841. u16 val = 0;
  6842. u16 i;
  6843. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6844. DP(NETIF_MSG_LINK,
  6845. "Reading from eeprom is limited to 0xf\n");
  6846. return -EINVAL;
  6847. }
  6848. /* Set the read command byte count */
  6849. bnx2x_cl45_write(bp, phy,
  6850. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6851. (byte_cnt | (dev_addr << 8)));
  6852. /* Set the read command address */
  6853. bnx2x_cl45_write(bp, phy,
  6854. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6855. addr);
  6856. /* Activate read command */
  6857. bnx2x_cl45_write(bp, phy,
  6858. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6859. 0x2c0f);
  6860. /* Wait up to 500us for command complete status */
  6861. for (i = 0; i < 100; i++) {
  6862. bnx2x_cl45_read(bp, phy,
  6863. MDIO_PMA_DEVAD,
  6864. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6865. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6866. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6867. break;
  6868. udelay(5);
  6869. }
  6870. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6871. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6872. DP(NETIF_MSG_LINK,
  6873. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6874. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6875. return -EINVAL;
  6876. }
  6877. /* Read the buffer */
  6878. for (i = 0; i < byte_cnt; i++) {
  6879. bnx2x_cl45_read(bp, phy,
  6880. MDIO_PMA_DEVAD,
  6881. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6882. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6883. }
  6884. for (i = 0; i < 100; i++) {
  6885. bnx2x_cl45_read(bp, phy,
  6886. MDIO_PMA_DEVAD,
  6887. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6888. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6889. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6890. return 0;
  6891. usleep_range(1000, 2000);
  6892. }
  6893. return -EINVAL;
  6894. }
  6895. static void bnx2x_warpcore_power_module(struct link_params *params,
  6896. u8 power)
  6897. {
  6898. u32 pin_cfg;
  6899. struct bnx2x *bp = params->bp;
  6900. pin_cfg = (REG_RD(bp, params->shmem_base +
  6901. offsetof(struct shmem_region,
  6902. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6903. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6904. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6905. if (pin_cfg == PIN_CFG_NA)
  6906. return;
  6907. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6908. power, pin_cfg);
  6909. /* Low ==> corresponding SFP+ module is powered
  6910. * high ==> the SFP+ module is powered down
  6911. */
  6912. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6913. }
  6914. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6915. struct link_params *params,
  6916. u8 dev_addr,
  6917. u16 addr, u8 byte_cnt,
  6918. u8 *o_buf, u8 is_init)
  6919. {
  6920. int rc = 0;
  6921. u8 i, j = 0, cnt = 0;
  6922. u32 data_array[4];
  6923. u16 addr32;
  6924. struct bnx2x *bp = params->bp;
  6925. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6926. DP(NETIF_MSG_LINK,
  6927. "Reading from eeprom is limited to 16 bytes\n");
  6928. return -EINVAL;
  6929. }
  6930. /* 4 byte aligned address */
  6931. addr32 = addr & (~0x3);
  6932. do {
  6933. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6934. bnx2x_warpcore_power_module(params, 0);
  6935. /* Note that 100us are not enough here */
  6936. usleep_range(1000, 2000);
  6937. bnx2x_warpcore_power_module(params, 1);
  6938. }
  6939. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  6940. data_array);
  6941. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6942. if (rc == 0) {
  6943. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6944. o_buf[j] = *((u8 *)data_array + i);
  6945. j++;
  6946. }
  6947. }
  6948. return rc;
  6949. }
  6950. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6951. struct link_params *params,
  6952. u8 dev_addr, u16 addr, u8 byte_cnt,
  6953. u8 *o_buf, u8 is_init)
  6954. {
  6955. struct bnx2x *bp = params->bp;
  6956. u16 val, i;
  6957. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6958. DP(NETIF_MSG_LINK,
  6959. "Reading from eeprom is limited to 0xf\n");
  6960. return -EINVAL;
  6961. }
  6962. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6963. * to 100Khz since some DACs(direct attached cables) do
  6964. * not work at 400Khz.
  6965. */
  6966. bnx2x_cl45_write(bp, phy,
  6967. MDIO_PMA_DEVAD,
  6968. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6969. ((dev_addr << 8) | 1));
  6970. /* Need to read from 1.8000 to clear it */
  6971. bnx2x_cl45_read(bp, phy,
  6972. MDIO_PMA_DEVAD,
  6973. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6974. &val);
  6975. /* Set the read command byte count */
  6976. bnx2x_cl45_write(bp, phy,
  6977. MDIO_PMA_DEVAD,
  6978. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6979. ((byte_cnt < 2) ? 2 : byte_cnt));
  6980. /* Set the read command address */
  6981. bnx2x_cl45_write(bp, phy,
  6982. MDIO_PMA_DEVAD,
  6983. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6984. addr);
  6985. /* Set the destination address */
  6986. bnx2x_cl45_write(bp, phy,
  6987. MDIO_PMA_DEVAD,
  6988. 0x8004,
  6989. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6990. /* Activate read command */
  6991. bnx2x_cl45_write(bp, phy,
  6992. MDIO_PMA_DEVAD,
  6993. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6994. 0x8002);
  6995. /* Wait appropriate time for two-wire command to finish before
  6996. * polling the status register
  6997. */
  6998. usleep_range(1000, 2000);
  6999. /* Wait up to 500us for command complete status */
  7000. for (i = 0; i < 100; i++) {
  7001. bnx2x_cl45_read(bp, phy,
  7002. MDIO_PMA_DEVAD,
  7003. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7004. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7005. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7006. break;
  7007. udelay(5);
  7008. }
  7009. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7010. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7011. DP(NETIF_MSG_LINK,
  7012. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7013. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7014. return -EFAULT;
  7015. }
  7016. /* Read the buffer */
  7017. for (i = 0; i < byte_cnt; i++) {
  7018. bnx2x_cl45_read(bp, phy,
  7019. MDIO_PMA_DEVAD,
  7020. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7021. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7022. }
  7023. for (i = 0; i < 100; i++) {
  7024. bnx2x_cl45_read(bp, phy,
  7025. MDIO_PMA_DEVAD,
  7026. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7027. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7028. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7029. return 0;
  7030. usleep_range(1000, 2000);
  7031. }
  7032. return -EINVAL;
  7033. }
  7034. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7035. struct link_params *params, u8 dev_addr,
  7036. u16 addr, u16 byte_cnt, u8 *o_buf)
  7037. {
  7038. int rc = 0;
  7039. struct bnx2x *bp = params->bp;
  7040. u8 xfer_size;
  7041. u8 *user_data = o_buf;
  7042. read_sfp_module_eeprom_func_p read_func;
  7043. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7044. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7045. return -EINVAL;
  7046. }
  7047. switch (phy->type) {
  7048. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7049. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7050. break;
  7051. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7052. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7053. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7054. break;
  7055. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7056. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7057. break;
  7058. default:
  7059. return -EOPNOTSUPP;
  7060. }
  7061. while (!rc && (byte_cnt > 0)) {
  7062. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7063. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7064. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7065. user_data, 0);
  7066. byte_cnt -= xfer_size;
  7067. user_data += xfer_size;
  7068. addr += xfer_size;
  7069. }
  7070. return rc;
  7071. }
  7072. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7073. struct link_params *params,
  7074. u16 *edc_mode)
  7075. {
  7076. struct bnx2x *bp = params->bp;
  7077. u32 sync_offset = 0, phy_idx, media_types;
  7078. u8 gport, val[2], check_limiting_mode = 0;
  7079. *edc_mode = EDC_MODE_LIMITING;
  7080. phy->media_type = ETH_PHY_UNSPECIFIED;
  7081. /* First check for copper cable */
  7082. if (bnx2x_read_sfp_module_eeprom(phy,
  7083. params,
  7084. I2C_DEV_ADDR_A0,
  7085. SFP_EEPROM_CON_TYPE_ADDR,
  7086. 2,
  7087. (u8 *)val) != 0) {
  7088. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7089. return -EINVAL;
  7090. }
  7091. switch (val[0]) {
  7092. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7093. {
  7094. u8 copper_module_type;
  7095. phy->media_type = ETH_PHY_DA_TWINAX;
  7096. /* Check if its active cable (includes SFP+ module)
  7097. * of passive cable
  7098. */
  7099. if (bnx2x_read_sfp_module_eeprom(phy,
  7100. params,
  7101. I2C_DEV_ADDR_A0,
  7102. SFP_EEPROM_FC_TX_TECH_ADDR,
  7103. 1,
  7104. &copper_module_type) != 0) {
  7105. DP(NETIF_MSG_LINK,
  7106. "Failed to read copper-cable-type"
  7107. " from SFP+ EEPROM\n");
  7108. return -EINVAL;
  7109. }
  7110. if (copper_module_type &
  7111. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7112. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7113. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7114. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7115. else
  7116. check_limiting_mode = 1;
  7117. } else {
  7118. *edc_mode = EDC_MODE_PASSIVE_DAC;
  7119. /* Even in case PASSIVE_DAC indication is not set,
  7120. * treat it as a passive DAC cable, since some cables
  7121. * don't have this indication.
  7122. */
  7123. if (copper_module_type &
  7124. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7125. DP(NETIF_MSG_LINK,
  7126. "Passive Copper cable detected\n");
  7127. } else {
  7128. DP(NETIF_MSG_LINK,
  7129. "Unknown copper-cable-type\n");
  7130. }
  7131. }
  7132. break;
  7133. }
  7134. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7135. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7136. check_limiting_mode = 1;
  7137. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7138. SFP_EEPROM_COMP_CODE_LR_MASK |
  7139. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7140. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7141. gport = params->port;
  7142. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7143. if (phy->req_line_speed != SPEED_1000) {
  7144. phy->req_line_speed = SPEED_1000;
  7145. if (!CHIP_IS_E1x(bp)) {
  7146. gport = BP_PATH(bp) +
  7147. (params->port << 1);
  7148. }
  7149. netdev_err(bp->dev,
  7150. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7151. gport);
  7152. }
  7153. } else {
  7154. int idx, cfg_idx = 0;
  7155. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7156. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7157. if (params->phy[idx].type == phy->type) {
  7158. cfg_idx = LINK_CONFIG_IDX(idx);
  7159. break;
  7160. }
  7161. }
  7162. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7163. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7164. }
  7165. break;
  7166. default:
  7167. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7168. val[0]);
  7169. return -EINVAL;
  7170. }
  7171. sync_offset = params->shmem_base +
  7172. offsetof(struct shmem_region,
  7173. dev_info.port_hw_config[params->port].media_type);
  7174. media_types = REG_RD(bp, sync_offset);
  7175. /* Update media type for non-PMF sync */
  7176. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7177. if (&(params->phy[phy_idx]) == phy) {
  7178. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7179. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7180. media_types |= ((phy->media_type &
  7181. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7182. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7183. break;
  7184. }
  7185. }
  7186. REG_WR(bp, sync_offset, media_types);
  7187. if (check_limiting_mode) {
  7188. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7189. if (bnx2x_read_sfp_module_eeprom(phy,
  7190. params,
  7191. I2C_DEV_ADDR_A0,
  7192. SFP_EEPROM_OPTIONS_ADDR,
  7193. SFP_EEPROM_OPTIONS_SIZE,
  7194. options) != 0) {
  7195. DP(NETIF_MSG_LINK,
  7196. "Failed to read Option field from module EEPROM\n");
  7197. return -EINVAL;
  7198. }
  7199. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7200. *edc_mode = EDC_MODE_LINEAR;
  7201. else
  7202. *edc_mode = EDC_MODE_LIMITING;
  7203. }
  7204. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7205. return 0;
  7206. }
  7207. /* This function read the relevant field from the module (SFP+), and verify it
  7208. * is compliant with this board
  7209. */
  7210. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7211. struct link_params *params)
  7212. {
  7213. struct bnx2x *bp = params->bp;
  7214. u32 val, cmd;
  7215. u32 fw_resp, fw_cmd_param;
  7216. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7217. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7218. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7219. val = REG_RD(bp, params->shmem_base +
  7220. offsetof(struct shmem_region, dev_info.
  7221. port_feature_config[params->port].config));
  7222. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7223. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7224. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7225. return 0;
  7226. }
  7227. if (params->feature_config_flags &
  7228. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7229. /* Use specific phy request */
  7230. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7231. } else if (params->feature_config_flags &
  7232. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7233. /* Use first phy request only in case of non-dual media*/
  7234. if (DUAL_MEDIA(params)) {
  7235. DP(NETIF_MSG_LINK,
  7236. "FW does not support OPT MDL verification\n");
  7237. return -EINVAL;
  7238. }
  7239. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7240. } else {
  7241. /* No support in OPT MDL detection */
  7242. DP(NETIF_MSG_LINK,
  7243. "FW does not support OPT MDL verification\n");
  7244. return -EINVAL;
  7245. }
  7246. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7247. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7248. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7249. DP(NETIF_MSG_LINK, "Approved module\n");
  7250. return 0;
  7251. }
  7252. /* Format the warning message */
  7253. if (bnx2x_read_sfp_module_eeprom(phy,
  7254. params,
  7255. I2C_DEV_ADDR_A0,
  7256. SFP_EEPROM_VENDOR_NAME_ADDR,
  7257. SFP_EEPROM_VENDOR_NAME_SIZE,
  7258. (u8 *)vendor_name))
  7259. vendor_name[0] = '\0';
  7260. else
  7261. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7262. if (bnx2x_read_sfp_module_eeprom(phy,
  7263. params,
  7264. I2C_DEV_ADDR_A0,
  7265. SFP_EEPROM_PART_NO_ADDR,
  7266. SFP_EEPROM_PART_NO_SIZE,
  7267. (u8 *)vendor_pn))
  7268. vendor_pn[0] = '\0';
  7269. else
  7270. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7271. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7272. " Port %d from %s part number %s\n",
  7273. params->port, vendor_name, vendor_pn);
  7274. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7275. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7276. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7277. return -EINVAL;
  7278. }
  7279. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7280. struct link_params *params)
  7281. {
  7282. u8 val;
  7283. int rc;
  7284. struct bnx2x *bp = params->bp;
  7285. u16 timeout;
  7286. /* Initialization time after hot-plug may take up to 300ms for
  7287. * some phys type ( e.g. JDSU )
  7288. */
  7289. for (timeout = 0; timeout < 60; timeout++) {
  7290. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7291. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7292. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7293. 1);
  7294. else
  7295. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7296. I2C_DEV_ADDR_A0,
  7297. 1, 1, &val);
  7298. if (rc == 0) {
  7299. DP(NETIF_MSG_LINK,
  7300. "SFP+ module initialization took %d ms\n",
  7301. timeout * 5);
  7302. return 0;
  7303. }
  7304. usleep_range(5000, 10000);
  7305. }
  7306. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7307. 1, 1, &val);
  7308. return rc;
  7309. }
  7310. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7311. struct bnx2x_phy *phy,
  7312. u8 is_power_up) {
  7313. /* Make sure GPIOs are not using for LED mode */
  7314. u16 val;
  7315. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7316. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7317. * output
  7318. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7319. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7320. * where the 1st bit is the over-current(only input), and 2nd bit is
  7321. * for power( only output )
  7322. *
  7323. * In case of NOC feature is disabled and power is up, set GPIO control
  7324. * as input to enable listening of over-current indication
  7325. */
  7326. if (phy->flags & FLAGS_NOC)
  7327. return;
  7328. if (is_power_up)
  7329. val = (1<<4);
  7330. else
  7331. /* Set GPIO control to OUTPUT, and set the power bit
  7332. * to according to the is_power_up
  7333. */
  7334. val = (1<<1);
  7335. bnx2x_cl45_write(bp, phy,
  7336. MDIO_PMA_DEVAD,
  7337. MDIO_PMA_REG_8727_GPIO_CTRL,
  7338. val);
  7339. }
  7340. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7341. struct bnx2x_phy *phy,
  7342. u16 edc_mode)
  7343. {
  7344. u16 cur_limiting_mode;
  7345. bnx2x_cl45_read(bp, phy,
  7346. MDIO_PMA_DEVAD,
  7347. MDIO_PMA_REG_ROM_VER2,
  7348. &cur_limiting_mode);
  7349. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7350. cur_limiting_mode);
  7351. if (edc_mode == EDC_MODE_LIMITING) {
  7352. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7353. bnx2x_cl45_write(bp, phy,
  7354. MDIO_PMA_DEVAD,
  7355. MDIO_PMA_REG_ROM_VER2,
  7356. EDC_MODE_LIMITING);
  7357. } else { /* LRM mode ( default )*/
  7358. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7359. /* Changing to LRM mode takes quite few seconds. So do it only
  7360. * if current mode is limiting (default is LRM)
  7361. */
  7362. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7363. return 0;
  7364. bnx2x_cl45_write(bp, phy,
  7365. MDIO_PMA_DEVAD,
  7366. MDIO_PMA_REG_LRM_MODE,
  7367. 0);
  7368. bnx2x_cl45_write(bp, phy,
  7369. MDIO_PMA_DEVAD,
  7370. MDIO_PMA_REG_ROM_VER2,
  7371. 0x128);
  7372. bnx2x_cl45_write(bp, phy,
  7373. MDIO_PMA_DEVAD,
  7374. MDIO_PMA_REG_MISC_CTRL0,
  7375. 0x4008);
  7376. bnx2x_cl45_write(bp, phy,
  7377. MDIO_PMA_DEVAD,
  7378. MDIO_PMA_REG_LRM_MODE,
  7379. 0xaaaa);
  7380. }
  7381. return 0;
  7382. }
  7383. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7384. struct bnx2x_phy *phy,
  7385. u16 edc_mode)
  7386. {
  7387. u16 phy_identifier;
  7388. u16 rom_ver2_val;
  7389. bnx2x_cl45_read(bp, phy,
  7390. MDIO_PMA_DEVAD,
  7391. MDIO_PMA_REG_PHY_IDENTIFIER,
  7392. &phy_identifier);
  7393. bnx2x_cl45_write(bp, phy,
  7394. MDIO_PMA_DEVAD,
  7395. MDIO_PMA_REG_PHY_IDENTIFIER,
  7396. (phy_identifier & ~(1<<9)));
  7397. bnx2x_cl45_read(bp, phy,
  7398. MDIO_PMA_DEVAD,
  7399. MDIO_PMA_REG_ROM_VER2,
  7400. &rom_ver2_val);
  7401. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7402. bnx2x_cl45_write(bp, phy,
  7403. MDIO_PMA_DEVAD,
  7404. MDIO_PMA_REG_ROM_VER2,
  7405. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7406. bnx2x_cl45_write(bp, phy,
  7407. MDIO_PMA_DEVAD,
  7408. MDIO_PMA_REG_PHY_IDENTIFIER,
  7409. (phy_identifier | (1<<9)));
  7410. return 0;
  7411. }
  7412. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7413. struct link_params *params,
  7414. u32 action)
  7415. {
  7416. struct bnx2x *bp = params->bp;
  7417. u16 val;
  7418. switch (action) {
  7419. case DISABLE_TX:
  7420. bnx2x_sfp_set_transmitter(params, phy, 0);
  7421. break;
  7422. case ENABLE_TX:
  7423. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7424. bnx2x_sfp_set_transmitter(params, phy, 1);
  7425. break;
  7426. case PHY_INIT:
  7427. bnx2x_cl45_write(bp, phy,
  7428. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7429. (1<<2) | (1<<5));
  7430. bnx2x_cl45_write(bp, phy,
  7431. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7432. 0);
  7433. bnx2x_cl45_write(bp, phy,
  7434. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7435. /* Make MOD_ABS give interrupt on change */
  7436. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7437. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7438. &val);
  7439. val |= (1<<12);
  7440. if (phy->flags & FLAGS_NOC)
  7441. val |= (3<<5);
  7442. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7443. * status which reflect SFP+ module over-current
  7444. */
  7445. if (!(phy->flags & FLAGS_NOC))
  7446. val &= 0xff8f; /* Reset bits 4-6 */
  7447. bnx2x_cl45_write(bp, phy,
  7448. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7449. val);
  7450. break;
  7451. default:
  7452. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7453. action);
  7454. return;
  7455. }
  7456. }
  7457. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7458. u8 gpio_mode)
  7459. {
  7460. struct bnx2x *bp = params->bp;
  7461. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7462. offsetof(struct shmem_region,
  7463. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7464. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7465. switch (fault_led_gpio) {
  7466. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7467. return;
  7468. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7469. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7470. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7471. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7472. {
  7473. u8 gpio_port = bnx2x_get_gpio_port(params);
  7474. u16 gpio_pin = fault_led_gpio -
  7475. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7476. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7477. "pin %x port %x mode %x\n",
  7478. gpio_pin, gpio_port, gpio_mode);
  7479. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7480. }
  7481. break;
  7482. default:
  7483. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7484. fault_led_gpio);
  7485. }
  7486. }
  7487. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7488. u8 gpio_mode)
  7489. {
  7490. u32 pin_cfg;
  7491. u8 port = params->port;
  7492. struct bnx2x *bp = params->bp;
  7493. pin_cfg = (REG_RD(bp, params->shmem_base +
  7494. offsetof(struct shmem_region,
  7495. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7496. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7497. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7498. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7499. gpio_mode, pin_cfg);
  7500. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7501. }
  7502. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7503. u8 gpio_mode)
  7504. {
  7505. struct bnx2x *bp = params->bp;
  7506. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7507. if (CHIP_IS_E3(bp)) {
  7508. /* Low ==> if SFP+ module is supported otherwise
  7509. * High ==> if SFP+ module is not on the approved vendor list
  7510. */
  7511. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7512. } else
  7513. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7514. }
  7515. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7516. struct link_params *params)
  7517. {
  7518. struct bnx2x *bp = params->bp;
  7519. bnx2x_warpcore_power_module(params, 0);
  7520. /* Put Warpcore in low power mode */
  7521. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7522. /* Put LCPLL in low power mode */
  7523. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7524. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7525. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7526. }
  7527. static void bnx2x_power_sfp_module(struct link_params *params,
  7528. struct bnx2x_phy *phy,
  7529. u8 power)
  7530. {
  7531. struct bnx2x *bp = params->bp;
  7532. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7533. switch (phy->type) {
  7534. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7535. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7536. bnx2x_8727_power_module(params->bp, phy, power);
  7537. break;
  7538. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7539. bnx2x_warpcore_power_module(params, power);
  7540. break;
  7541. default:
  7542. break;
  7543. }
  7544. }
  7545. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7546. struct bnx2x_phy *phy,
  7547. u16 edc_mode)
  7548. {
  7549. u16 val = 0;
  7550. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7551. struct bnx2x *bp = params->bp;
  7552. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7553. /* This is a global register which controls all lanes */
  7554. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7555. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7556. val &= ~(0xf << (lane << 2));
  7557. switch (edc_mode) {
  7558. case EDC_MODE_LINEAR:
  7559. case EDC_MODE_LIMITING:
  7560. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7561. break;
  7562. case EDC_MODE_PASSIVE_DAC:
  7563. case EDC_MODE_ACTIVE_DAC:
  7564. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7565. break;
  7566. default:
  7567. break;
  7568. }
  7569. val |= (mode << (lane << 2));
  7570. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7571. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7572. /* A must read */
  7573. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7574. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7575. /* Restart microcode to re-read the new mode */
  7576. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7577. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7578. }
  7579. static void bnx2x_set_limiting_mode(struct link_params *params,
  7580. struct bnx2x_phy *phy,
  7581. u16 edc_mode)
  7582. {
  7583. switch (phy->type) {
  7584. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7585. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7586. break;
  7587. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7588. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7589. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7590. break;
  7591. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7592. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7593. break;
  7594. }
  7595. }
  7596. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7597. struct link_params *params)
  7598. {
  7599. struct bnx2x *bp = params->bp;
  7600. u16 edc_mode;
  7601. int rc = 0;
  7602. u32 val = REG_RD(bp, params->shmem_base +
  7603. offsetof(struct shmem_region, dev_info.
  7604. port_feature_config[params->port].config));
  7605. /* Enabled transmitter by default */
  7606. bnx2x_sfp_set_transmitter(params, phy, 1);
  7607. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7608. params->port);
  7609. /* Power up module */
  7610. bnx2x_power_sfp_module(params, phy, 1);
  7611. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7612. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7613. return -EINVAL;
  7614. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7615. /* Check SFP+ module compatibility */
  7616. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7617. rc = -EINVAL;
  7618. /* Turn on fault module-detected led */
  7619. bnx2x_set_sfp_module_fault_led(params,
  7620. MISC_REGISTERS_GPIO_HIGH);
  7621. /* Check if need to power down the SFP+ module */
  7622. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7623. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7624. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7625. bnx2x_power_sfp_module(params, phy, 0);
  7626. return rc;
  7627. }
  7628. } else {
  7629. /* Turn off fault module-detected led */
  7630. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7631. }
  7632. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7633. * is done automatically
  7634. */
  7635. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7636. /* Disable transmit for this module if the module is not approved, and
  7637. * laser needs to be disabled.
  7638. */
  7639. if ((rc) &&
  7640. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7641. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7642. bnx2x_sfp_set_transmitter(params, phy, 0);
  7643. return rc;
  7644. }
  7645. void bnx2x_handle_module_detect_int(struct link_params *params)
  7646. {
  7647. struct bnx2x *bp = params->bp;
  7648. struct bnx2x_phy *phy;
  7649. u32 gpio_val;
  7650. u8 gpio_num, gpio_port;
  7651. if (CHIP_IS_E3(bp)) {
  7652. phy = &params->phy[INT_PHY];
  7653. /* Always enable TX laser,will be disabled in case of fault */
  7654. bnx2x_sfp_set_transmitter(params, phy, 1);
  7655. } else {
  7656. phy = &params->phy[EXT_PHY1];
  7657. }
  7658. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7659. params->port, &gpio_num, &gpio_port) ==
  7660. -EINVAL) {
  7661. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7662. return;
  7663. }
  7664. /* Set valid module led off */
  7665. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7666. /* Get current gpio val reflecting module plugged in / out*/
  7667. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7668. /* Call the handling function in case module is detected */
  7669. if (gpio_val == 0) {
  7670. bnx2x_set_mdio_emac_per_phy(bp, params);
  7671. bnx2x_set_aer_mmd(params, phy);
  7672. bnx2x_power_sfp_module(params, phy, 1);
  7673. bnx2x_set_gpio_int(bp, gpio_num,
  7674. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7675. gpio_port);
  7676. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7677. bnx2x_sfp_module_detection(phy, params);
  7678. if (CHIP_IS_E3(bp)) {
  7679. u16 rx_tx_in_reset;
  7680. /* In case WC is out of reset, reconfigure the
  7681. * link speed while taking into account 1G
  7682. * module limitation.
  7683. */
  7684. bnx2x_cl45_read(bp, phy,
  7685. MDIO_WC_DEVAD,
  7686. MDIO_WC_REG_DIGITAL5_MISC6,
  7687. &rx_tx_in_reset);
  7688. if ((!rx_tx_in_reset) &&
  7689. (params->link_flags &
  7690. PHY_INITIALIZED)) {
  7691. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7692. bnx2x_warpcore_config_sfi(phy, params);
  7693. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7694. }
  7695. }
  7696. } else {
  7697. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7698. }
  7699. } else {
  7700. bnx2x_set_gpio_int(bp, gpio_num,
  7701. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7702. gpio_port);
  7703. /* Module was plugged out.
  7704. * Disable transmit for this module
  7705. */
  7706. phy->media_type = ETH_PHY_NOT_PRESENT;
  7707. }
  7708. }
  7709. /******************************************************************/
  7710. /* Used by 8706 and 8727 */
  7711. /******************************************************************/
  7712. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7713. struct bnx2x_phy *phy,
  7714. u16 alarm_status_offset,
  7715. u16 alarm_ctrl_offset)
  7716. {
  7717. u16 alarm_status, val;
  7718. bnx2x_cl45_read(bp, phy,
  7719. MDIO_PMA_DEVAD, alarm_status_offset,
  7720. &alarm_status);
  7721. bnx2x_cl45_read(bp, phy,
  7722. MDIO_PMA_DEVAD, alarm_status_offset,
  7723. &alarm_status);
  7724. /* Mask or enable the fault event. */
  7725. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7726. if (alarm_status & (1<<0))
  7727. val &= ~(1<<0);
  7728. else
  7729. val |= (1<<0);
  7730. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7731. }
  7732. /******************************************************************/
  7733. /* common BCM8706/BCM8726 PHY SECTION */
  7734. /******************************************************************/
  7735. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7736. struct link_params *params,
  7737. struct link_vars *vars)
  7738. {
  7739. u8 link_up = 0;
  7740. u16 val1, val2, rx_sd, pcs_status;
  7741. struct bnx2x *bp = params->bp;
  7742. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7743. /* Clear RX Alarm*/
  7744. bnx2x_cl45_read(bp, phy,
  7745. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7746. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7747. MDIO_PMA_LASI_TXCTRL);
  7748. /* Clear LASI indication*/
  7749. bnx2x_cl45_read(bp, phy,
  7750. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7751. bnx2x_cl45_read(bp, phy,
  7752. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7753. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7754. bnx2x_cl45_read(bp, phy,
  7755. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7756. bnx2x_cl45_read(bp, phy,
  7757. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7758. bnx2x_cl45_read(bp, phy,
  7759. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7760. bnx2x_cl45_read(bp, phy,
  7761. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7762. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7763. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7764. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7765. * are set, or if the autoneg bit 1 is set
  7766. */
  7767. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7768. if (link_up) {
  7769. if (val2 & (1<<1))
  7770. vars->line_speed = SPEED_1000;
  7771. else
  7772. vars->line_speed = SPEED_10000;
  7773. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7774. vars->duplex = DUPLEX_FULL;
  7775. }
  7776. /* Capture 10G link fault. Read twice to clear stale value. */
  7777. if (vars->line_speed == SPEED_10000) {
  7778. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7779. MDIO_PMA_LASI_TXSTAT, &val1);
  7780. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7781. MDIO_PMA_LASI_TXSTAT, &val1);
  7782. if (val1 & (1<<0))
  7783. vars->fault_detected = 1;
  7784. }
  7785. return link_up;
  7786. }
  7787. /******************************************************************/
  7788. /* BCM8706 PHY SECTION */
  7789. /******************************************************************/
  7790. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7791. struct link_params *params,
  7792. struct link_vars *vars)
  7793. {
  7794. u32 tx_en_mode;
  7795. u16 cnt, val, tmp1;
  7796. struct bnx2x *bp = params->bp;
  7797. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7798. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7799. /* HW reset */
  7800. bnx2x_ext_phy_hw_reset(bp, params->port);
  7801. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7802. bnx2x_wait_reset_complete(bp, phy, params);
  7803. /* Wait until fw is loaded */
  7804. for (cnt = 0; cnt < 100; cnt++) {
  7805. bnx2x_cl45_read(bp, phy,
  7806. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7807. if (val)
  7808. break;
  7809. usleep_range(10000, 20000);
  7810. }
  7811. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7812. if ((params->feature_config_flags &
  7813. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7814. u8 i;
  7815. u16 reg;
  7816. for (i = 0; i < 4; i++) {
  7817. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7818. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7819. MDIO_XS_8706_REG_BANK_RX0);
  7820. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7821. /* Clear first 3 bits of the control */
  7822. val &= ~0x7;
  7823. /* Set control bits according to configuration */
  7824. val |= (phy->rx_preemphasis[i] & 0x7);
  7825. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7826. " reg 0x%x <-- val 0x%x\n", reg, val);
  7827. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7828. }
  7829. }
  7830. /* Force speed */
  7831. if (phy->req_line_speed == SPEED_10000) {
  7832. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7833. bnx2x_cl45_write(bp, phy,
  7834. MDIO_PMA_DEVAD,
  7835. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7836. bnx2x_cl45_write(bp, phy,
  7837. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7838. 0);
  7839. /* Arm LASI for link and Tx fault. */
  7840. bnx2x_cl45_write(bp, phy,
  7841. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7842. } else {
  7843. /* Force 1Gbps using autoneg with 1G advertisement */
  7844. /* Allow CL37 through CL73 */
  7845. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7846. bnx2x_cl45_write(bp, phy,
  7847. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7848. /* Enable Full-Duplex advertisement on CL37 */
  7849. bnx2x_cl45_write(bp, phy,
  7850. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7851. /* Enable CL37 AN */
  7852. bnx2x_cl45_write(bp, phy,
  7853. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7854. /* 1G support */
  7855. bnx2x_cl45_write(bp, phy,
  7856. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7857. /* Enable clause 73 AN */
  7858. bnx2x_cl45_write(bp, phy,
  7859. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7862. 0x0400);
  7863. bnx2x_cl45_write(bp, phy,
  7864. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7865. 0x0004);
  7866. }
  7867. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7868. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7869. * power mode, if TX Laser is disabled
  7870. */
  7871. tx_en_mode = REG_RD(bp, params->shmem_base +
  7872. offsetof(struct shmem_region,
  7873. dev_info.port_hw_config[params->port].sfp_ctrl))
  7874. & PORT_HW_CFG_TX_LASER_MASK;
  7875. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7876. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7877. bnx2x_cl45_read(bp, phy,
  7878. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7879. tmp1 |= 0x1;
  7880. bnx2x_cl45_write(bp, phy,
  7881. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7882. }
  7883. return 0;
  7884. }
  7885. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7886. struct link_params *params,
  7887. struct link_vars *vars)
  7888. {
  7889. return bnx2x_8706_8726_read_status(phy, params, vars);
  7890. }
  7891. /******************************************************************/
  7892. /* BCM8726 PHY SECTION */
  7893. /******************************************************************/
  7894. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7895. struct link_params *params)
  7896. {
  7897. struct bnx2x *bp = params->bp;
  7898. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7899. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7900. }
  7901. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7902. struct link_params *params)
  7903. {
  7904. struct bnx2x *bp = params->bp;
  7905. /* Need to wait 100ms after reset */
  7906. msleep(100);
  7907. /* Micro controller re-boot */
  7908. bnx2x_cl45_write(bp, phy,
  7909. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7910. /* Set soft reset */
  7911. bnx2x_cl45_write(bp, phy,
  7912. MDIO_PMA_DEVAD,
  7913. MDIO_PMA_REG_GEN_CTRL,
  7914. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_PMA_DEVAD,
  7917. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7918. bnx2x_cl45_write(bp, phy,
  7919. MDIO_PMA_DEVAD,
  7920. MDIO_PMA_REG_GEN_CTRL,
  7921. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7922. /* Wait for 150ms for microcode load */
  7923. msleep(150);
  7924. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7925. bnx2x_cl45_write(bp, phy,
  7926. MDIO_PMA_DEVAD,
  7927. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7928. msleep(200);
  7929. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7930. }
  7931. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7932. struct link_params *params,
  7933. struct link_vars *vars)
  7934. {
  7935. struct bnx2x *bp = params->bp;
  7936. u16 val1;
  7937. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7938. if (link_up) {
  7939. bnx2x_cl45_read(bp, phy,
  7940. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7941. &val1);
  7942. if (val1 & (1<<15)) {
  7943. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7944. link_up = 0;
  7945. vars->line_speed = 0;
  7946. }
  7947. }
  7948. return link_up;
  7949. }
  7950. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7951. struct link_params *params,
  7952. struct link_vars *vars)
  7953. {
  7954. struct bnx2x *bp = params->bp;
  7955. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7956. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7957. bnx2x_wait_reset_complete(bp, phy, params);
  7958. bnx2x_8726_external_rom_boot(phy, params);
  7959. /* Need to call module detected on initialization since the module
  7960. * detection triggered by actual module insertion might occur before
  7961. * driver is loaded, and when driver is loaded, it reset all
  7962. * registers, including the transmitter
  7963. */
  7964. bnx2x_sfp_module_detection(phy, params);
  7965. if (phy->req_line_speed == SPEED_1000) {
  7966. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7967. bnx2x_cl45_write(bp, phy,
  7968. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7969. bnx2x_cl45_write(bp, phy,
  7970. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7973. bnx2x_cl45_write(bp, phy,
  7974. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7975. 0x400);
  7976. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7977. (phy->speed_cap_mask &
  7978. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7979. ((phy->speed_cap_mask &
  7980. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7981. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7982. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7983. /* Set Flow control */
  7984. bnx2x_ext_phy_set_pause(params, phy, vars);
  7985. bnx2x_cl45_write(bp, phy,
  7986. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7993. bnx2x_cl45_write(bp, phy,
  7994. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7995. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7996. * change
  7997. */
  7998. bnx2x_cl45_write(bp, phy,
  7999. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8000. bnx2x_cl45_write(bp, phy,
  8001. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8002. 0x400);
  8003. } else { /* Default 10G. Set only LASI control */
  8004. bnx2x_cl45_write(bp, phy,
  8005. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8006. }
  8007. /* Set TX PreEmphasis if needed */
  8008. if ((params->feature_config_flags &
  8009. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8010. DP(NETIF_MSG_LINK,
  8011. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8012. phy->tx_preemphasis[0],
  8013. phy->tx_preemphasis[1]);
  8014. bnx2x_cl45_write(bp, phy,
  8015. MDIO_PMA_DEVAD,
  8016. MDIO_PMA_REG_8726_TX_CTRL1,
  8017. phy->tx_preemphasis[0]);
  8018. bnx2x_cl45_write(bp, phy,
  8019. MDIO_PMA_DEVAD,
  8020. MDIO_PMA_REG_8726_TX_CTRL2,
  8021. phy->tx_preemphasis[1]);
  8022. }
  8023. return 0;
  8024. }
  8025. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8026. struct link_params *params)
  8027. {
  8028. struct bnx2x *bp = params->bp;
  8029. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8030. /* Set serial boot control for external load */
  8031. bnx2x_cl45_write(bp, phy,
  8032. MDIO_PMA_DEVAD,
  8033. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8034. }
  8035. /******************************************************************/
  8036. /* BCM8727 PHY SECTION */
  8037. /******************************************************************/
  8038. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8039. struct link_params *params, u8 mode)
  8040. {
  8041. struct bnx2x *bp = params->bp;
  8042. u16 led_mode_bitmask = 0;
  8043. u16 gpio_pins_bitmask = 0;
  8044. u16 val;
  8045. /* Only NOC flavor requires to set the LED specifically */
  8046. if (!(phy->flags & FLAGS_NOC))
  8047. return;
  8048. switch (mode) {
  8049. case LED_MODE_FRONT_PANEL_OFF:
  8050. case LED_MODE_OFF:
  8051. led_mode_bitmask = 0;
  8052. gpio_pins_bitmask = 0x03;
  8053. break;
  8054. case LED_MODE_ON:
  8055. led_mode_bitmask = 0;
  8056. gpio_pins_bitmask = 0x02;
  8057. break;
  8058. case LED_MODE_OPER:
  8059. led_mode_bitmask = 0x60;
  8060. gpio_pins_bitmask = 0x11;
  8061. break;
  8062. }
  8063. bnx2x_cl45_read(bp, phy,
  8064. MDIO_PMA_DEVAD,
  8065. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8066. &val);
  8067. val &= 0xff8f;
  8068. val |= led_mode_bitmask;
  8069. bnx2x_cl45_write(bp, phy,
  8070. MDIO_PMA_DEVAD,
  8071. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8072. val);
  8073. bnx2x_cl45_read(bp, phy,
  8074. MDIO_PMA_DEVAD,
  8075. MDIO_PMA_REG_8727_GPIO_CTRL,
  8076. &val);
  8077. val &= 0xffe0;
  8078. val |= gpio_pins_bitmask;
  8079. bnx2x_cl45_write(bp, phy,
  8080. MDIO_PMA_DEVAD,
  8081. MDIO_PMA_REG_8727_GPIO_CTRL,
  8082. val);
  8083. }
  8084. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8085. struct link_params *params) {
  8086. u32 swap_val, swap_override;
  8087. u8 port;
  8088. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8089. * to cancel the swap done in set_gpio()
  8090. */
  8091. struct bnx2x *bp = params->bp;
  8092. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8093. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8094. port = (swap_val && swap_override) ^ 1;
  8095. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8096. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8097. }
  8098. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8099. struct link_params *params)
  8100. {
  8101. struct bnx2x *bp = params->bp;
  8102. u16 tmp1, val;
  8103. /* Set option 1G speed */
  8104. if ((phy->req_line_speed == SPEED_1000) ||
  8105. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8106. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8107. bnx2x_cl45_write(bp, phy,
  8108. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8109. bnx2x_cl45_write(bp, phy,
  8110. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8111. bnx2x_cl45_read(bp, phy,
  8112. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8113. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8114. /* Power down the XAUI until link is up in case of dual-media
  8115. * and 1G
  8116. */
  8117. if (DUAL_MEDIA(params)) {
  8118. bnx2x_cl45_read(bp, phy,
  8119. MDIO_PMA_DEVAD,
  8120. MDIO_PMA_REG_8727_PCS_GP, &val);
  8121. val |= (3<<10);
  8122. bnx2x_cl45_write(bp, phy,
  8123. MDIO_PMA_DEVAD,
  8124. MDIO_PMA_REG_8727_PCS_GP, val);
  8125. }
  8126. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8127. ((phy->speed_cap_mask &
  8128. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8129. ((phy->speed_cap_mask &
  8130. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8131. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8132. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8133. bnx2x_cl45_write(bp, phy,
  8134. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8135. bnx2x_cl45_write(bp, phy,
  8136. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8137. } else {
  8138. /* Since the 8727 has only single reset pin, need to set the 10G
  8139. * registers although it is default
  8140. */
  8141. bnx2x_cl45_write(bp, phy,
  8142. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8143. 0x0020);
  8144. bnx2x_cl45_write(bp, phy,
  8145. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8146. bnx2x_cl45_write(bp, phy,
  8147. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8148. bnx2x_cl45_write(bp, phy,
  8149. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8150. 0x0008);
  8151. }
  8152. }
  8153. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8154. struct link_params *params,
  8155. struct link_vars *vars)
  8156. {
  8157. u32 tx_en_mode;
  8158. u16 tmp1, mod_abs, tmp2;
  8159. struct bnx2x *bp = params->bp;
  8160. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8161. bnx2x_wait_reset_complete(bp, phy, params);
  8162. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8163. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8164. /* Initially configure MOD_ABS to interrupt when module is
  8165. * presence( bit 8)
  8166. */
  8167. bnx2x_cl45_read(bp, phy,
  8168. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8169. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8170. * When the EDC is off it locks onto a reference clock and avoids
  8171. * becoming 'lost'
  8172. */
  8173. mod_abs &= ~(1<<8);
  8174. if (!(phy->flags & FLAGS_NOC))
  8175. mod_abs &= ~(1<<9);
  8176. bnx2x_cl45_write(bp, phy,
  8177. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8178. /* Enable/Disable PHY transmitter output */
  8179. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8180. bnx2x_8727_power_module(bp, phy, 1);
  8181. bnx2x_cl45_read(bp, phy,
  8182. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8183. bnx2x_cl45_read(bp, phy,
  8184. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8185. bnx2x_8727_config_speed(phy, params);
  8186. /* Set TX PreEmphasis if needed */
  8187. if ((params->feature_config_flags &
  8188. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8189. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8190. phy->tx_preemphasis[0],
  8191. phy->tx_preemphasis[1]);
  8192. bnx2x_cl45_write(bp, phy,
  8193. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8194. phy->tx_preemphasis[0]);
  8195. bnx2x_cl45_write(bp, phy,
  8196. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8197. phy->tx_preemphasis[1]);
  8198. }
  8199. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8200. * power mode, if TX Laser is disabled
  8201. */
  8202. tx_en_mode = REG_RD(bp, params->shmem_base +
  8203. offsetof(struct shmem_region,
  8204. dev_info.port_hw_config[params->port].sfp_ctrl))
  8205. & PORT_HW_CFG_TX_LASER_MASK;
  8206. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8207. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8208. bnx2x_cl45_read(bp, phy,
  8209. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8210. tmp2 |= 0x1000;
  8211. tmp2 &= 0xFFEF;
  8212. bnx2x_cl45_write(bp, phy,
  8213. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8214. bnx2x_cl45_read(bp, phy,
  8215. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8216. &tmp2);
  8217. bnx2x_cl45_write(bp, phy,
  8218. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8219. (tmp2 & 0x7fff));
  8220. }
  8221. return 0;
  8222. }
  8223. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8224. struct link_params *params)
  8225. {
  8226. struct bnx2x *bp = params->bp;
  8227. u16 mod_abs, rx_alarm_status;
  8228. u32 val = REG_RD(bp, params->shmem_base +
  8229. offsetof(struct shmem_region, dev_info.
  8230. port_feature_config[params->port].
  8231. config));
  8232. bnx2x_cl45_read(bp, phy,
  8233. MDIO_PMA_DEVAD,
  8234. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8235. if (mod_abs & (1<<8)) {
  8236. /* Module is absent */
  8237. DP(NETIF_MSG_LINK,
  8238. "MOD_ABS indication show module is absent\n");
  8239. phy->media_type = ETH_PHY_NOT_PRESENT;
  8240. /* 1. Set mod_abs to detect next module
  8241. * presence event
  8242. * 2. Set EDC off by setting OPTXLOS signal input to low
  8243. * (bit 9).
  8244. * When the EDC is off it locks onto a reference clock and
  8245. * avoids becoming 'lost'.
  8246. */
  8247. mod_abs &= ~(1<<8);
  8248. if (!(phy->flags & FLAGS_NOC))
  8249. mod_abs &= ~(1<<9);
  8250. bnx2x_cl45_write(bp, phy,
  8251. MDIO_PMA_DEVAD,
  8252. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8253. /* Clear RX alarm since it stays up as long as
  8254. * the mod_abs wasn't changed
  8255. */
  8256. bnx2x_cl45_read(bp, phy,
  8257. MDIO_PMA_DEVAD,
  8258. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8259. } else {
  8260. /* Module is present */
  8261. DP(NETIF_MSG_LINK,
  8262. "MOD_ABS indication show module is present\n");
  8263. /* First disable transmitter, and if the module is ok, the
  8264. * module_detection will enable it
  8265. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8266. * 2. Restore the default polarity of the OPRXLOS signal and
  8267. * this signal will then correctly indicate the presence or
  8268. * absence of the Rx signal. (bit 9)
  8269. */
  8270. mod_abs |= (1<<8);
  8271. if (!(phy->flags & FLAGS_NOC))
  8272. mod_abs |= (1<<9);
  8273. bnx2x_cl45_write(bp, phy,
  8274. MDIO_PMA_DEVAD,
  8275. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8276. /* Clear RX alarm since it stays up as long as the mod_abs
  8277. * wasn't changed. This is need to be done before calling the
  8278. * module detection, otherwise it will clear* the link update
  8279. * alarm
  8280. */
  8281. bnx2x_cl45_read(bp, phy,
  8282. MDIO_PMA_DEVAD,
  8283. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8284. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8285. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8286. bnx2x_sfp_set_transmitter(params, phy, 0);
  8287. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8288. bnx2x_sfp_module_detection(phy, params);
  8289. else
  8290. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8291. /* Reconfigure link speed based on module type limitations */
  8292. bnx2x_8727_config_speed(phy, params);
  8293. }
  8294. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8295. rx_alarm_status);
  8296. /* No need to check link status in case of module plugged in/out */
  8297. }
  8298. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8299. struct link_params *params,
  8300. struct link_vars *vars)
  8301. {
  8302. struct bnx2x *bp = params->bp;
  8303. u8 link_up = 0, oc_port = params->port;
  8304. u16 link_status = 0;
  8305. u16 rx_alarm_status, lasi_ctrl, val1;
  8306. /* If PHY is not initialized, do not check link status */
  8307. bnx2x_cl45_read(bp, phy,
  8308. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8309. &lasi_ctrl);
  8310. if (!lasi_ctrl)
  8311. return 0;
  8312. /* Check the LASI on Rx */
  8313. bnx2x_cl45_read(bp, phy,
  8314. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8315. &rx_alarm_status);
  8316. vars->line_speed = 0;
  8317. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8318. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8319. MDIO_PMA_LASI_TXCTRL);
  8320. bnx2x_cl45_read(bp, phy,
  8321. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8322. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8323. /* Clear MSG-OUT */
  8324. bnx2x_cl45_read(bp, phy,
  8325. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8326. /* If a module is present and there is need to check
  8327. * for over current
  8328. */
  8329. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8330. /* Check over-current using 8727 GPIO0 input*/
  8331. bnx2x_cl45_read(bp, phy,
  8332. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8333. &val1);
  8334. if ((val1 & (1<<8)) == 0) {
  8335. if (!CHIP_IS_E1x(bp))
  8336. oc_port = BP_PATH(bp) + (params->port << 1);
  8337. DP(NETIF_MSG_LINK,
  8338. "8727 Power fault has been detected on port %d\n",
  8339. oc_port);
  8340. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8341. "been detected and the power to "
  8342. "that SFP+ module has been removed "
  8343. "to prevent failure of the card. "
  8344. "Please remove the SFP+ module and "
  8345. "restart the system to clear this "
  8346. "error.\n",
  8347. oc_port);
  8348. /* Disable all RX_ALARMs except for mod_abs */
  8349. bnx2x_cl45_write(bp, phy,
  8350. MDIO_PMA_DEVAD,
  8351. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8352. bnx2x_cl45_read(bp, phy,
  8353. MDIO_PMA_DEVAD,
  8354. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8355. /* Wait for module_absent_event */
  8356. val1 |= (1<<8);
  8357. bnx2x_cl45_write(bp, phy,
  8358. MDIO_PMA_DEVAD,
  8359. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8360. /* Clear RX alarm */
  8361. bnx2x_cl45_read(bp, phy,
  8362. MDIO_PMA_DEVAD,
  8363. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8364. bnx2x_8727_power_module(params->bp, phy, 0);
  8365. return 0;
  8366. }
  8367. } /* Over current check */
  8368. /* When module absent bit is set, check module */
  8369. if (rx_alarm_status & (1<<5)) {
  8370. bnx2x_8727_handle_mod_abs(phy, params);
  8371. /* Enable all mod_abs and link detection bits */
  8372. bnx2x_cl45_write(bp, phy,
  8373. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8374. ((1<<5) | (1<<2)));
  8375. }
  8376. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8377. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8378. bnx2x_sfp_set_transmitter(params, phy, 1);
  8379. } else {
  8380. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8381. return 0;
  8382. }
  8383. bnx2x_cl45_read(bp, phy,
  8384. MDIO_PMA_DEVAD,
  8385. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8386. /* Bits 0..2 --> speed detected,
  8387. * Bits 13..15--> link is down
  8388. */
  8389. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8390. link_up = 1;
  8391. vars->line_speed = SPEED_10000;
  8392. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8393. params->port);
  8394. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8395. link_up = 1;
  8396. vars->line_speed = SPEED_1000;
  8397. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8398. params->port);
  8399. } else {
  8400. link_up = 0;
  8401. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8402. params->port);
  8403. }
  8404. /* Capture 10G link fault. */
  8405. if (vars->line_speed == SPEED_10000) {
  8406. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8407. MDIO_PMA_LASI_TXSTAT, &val1);
  8408. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8409. MDIO_PMA_LASI_TXSTAT, &val1);
  8410. if (val1 & (1<<0)) {
  8411. vars->fault_detected = 1;
  8412. }
  8413. }
  8414. if (link_up) {
  8415. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8416. vars->duplex = DUPLEX_FULL;
  8417. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8418. }
  8419. if ((DUAL_MEDIA(params)) &&
  8420. (phy->req_line_speed == SPEED_1000)) {
  8421. bnx2x_cl45_read(bp, phy,
  8422. MDIO_PMA_DEVAD,
  8423. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8424. /* In case of dual-media board and 1G, power up the XAUI side,
  8425. * otherwise power it down. For 10G it is done automatically
  8426. */
  8427. if (link_up)
  8428. val1 &= ~(3<<10);
  8429. else
  8430. val1 |= (3<<10);
  8431. bnx2x_cl45_write(bp, phy,
  8432. MDIO_PMA_DEVAD,
  8433. MDIO_PMA_REG_8727_PCS_GP, val1);
  8434. }
  8435. return link_up;
  8436. }
  8437. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8438. struct link_params *params)
  8439. {
  8440. struct bnx2x *bp = params->bp;
  8441. /* Enable/Disable PHY transmitter output */
  8442. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8443. /* Disable Transmitter */
  8444. bnx2x_sfp_set_transmitter(params, phy, 0);
  8445. /* Clear LASI */
  8446. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8447. }
  8448. /******************************************************************/
  8449. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8450. /******************************************************************/
  8451. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8452. struct bnx2x *bp,
  8453. u8 port)
  8454. {
  8455. u16 val, fw_ver2, cnt, i;
  8456. static struct bnx2x_reg_set reg_set[] = {
  8457. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8458. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8459. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8460. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8461. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8462. };
  8463. u16 fw_ver1;
  8464. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8465. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8466. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8467. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8468. phy->ver_addr);
  8469. } else {
  8470. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8471. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8472. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8473. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8474. reg_set[i].reg, reg_set[i].val);
  8475. for (cnt = 0; cnt < 100; cnt++) {
  8476. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8477. if (val & 1)
  8478. break;
  8479. udelay(5);
  8480. }
  8481. if (cnt == 100) {
  8482. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8483. "phy fw version(1)\n");
  8484. bnx2x_save_spirom_version(bp, port, 0,
  8485. phy->ver_addr);
  8486. return;
  8487. }
  8488. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8489. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8490. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8491. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8492. for (cnt = 0; cnt < 100; cnt++) {
  8493. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8494. if (val & 1)
  8495. break;
  8496. udelay(5);
  8497. }
  8498. if (cnt == 100) {
  8499. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8500. "version(2)\n");
  8501. bnx2x_save_spirom_version(bp, port, 0,
  8502. phy->ver_addr);
  8503. return;
  8504. }
  8505. /* lower 16 bits of the register SPI_FW_STATUS */
  8506. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8507. /* upper 16 bits of register SPI_FW_STATUS */
  8508. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8509. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8510. phy->ver_addr);
  8511. }
  8512. }
  8513. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8514. struct bnx2x_phy *phy)
  8515. {
  8516. u16 val, offset, i;
  8517. static struct bnx2x_reg_set reg_set[] = {
  8518. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8519. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8520. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8521. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8522. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8523. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8524. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8525. };
  8526. /* PHYC_CTL_LED_CTL */
  8527. bnx2x_cl45_read(bp, phy,
  8528. MDIO_PMA_DEVAD,
  8529. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8530. val &= 0xFE00;
  8531. val |= 0x0092;
  8532. bnx2x_cl45_write(bp, phy,
  8533. MDIO_PMA_DEVAD,
  8534. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8535. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8536. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8537. reg_set[i].val);
  8538. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8539. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8540. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8541. else
  8542. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8543. /* stretch_en for LED3*/
  8544. bnx2x_cl45_read_or_write(bp, phy,
  8545. MDIO_PMA_DEVAD, offset,
  8546. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8547. }
  8548. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8549. struct link_params *params,
  8550. u32 action)
  8551. {
  8552. struct bnx2x *bp = params->bp;
  8553. switch (action) {
  8554. case PHY_INIT:
  8555. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8556. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8557. /* Save spirom version */
  8558. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8559. }
  8560. /* This phy uses the NIG latch mechanism since link indication
  8561. * arrives through its LED4 and not via its LASI signal, so we
  8562. * get steady signal instead of clear on read
  8563. */
  8564. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8565. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8566. bnx2x_848xx_set_led(bp, phy);
  8567. break;
  8568. }
  8569. }
  8570. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8571. struct link_params *params,
  8572. struct link_vars *vars)
  8573. {
  8574. struct bnx2x *bp = params->bp;
  8575. u16 autoneg_val, an_1000_val, an_10_100_val;
  8576. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8577. bnx2x_cl45_write(bp, phy,
  8578. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8579. /* set 1000 speed advertisement */
  8580. bnx2x_cl45_read(bp, phy,
  8581. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8582. &an_1000_val);
  8583. bnx2x_ext_phy_set_pause(params, phy, vars);
  8584. bnx2x_cl45_read(bp, phy,
  8585. MDIO_AN_DEVAD,
  8586. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8587. &an_10_100_val);
  8588. bnx2x_cl45_read(bp, phy,
  8589. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8590. &autoneg_val);
  8591. /* Disable forced speed */
  8592. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8593. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8594. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8595. (phy->speed_cap_mask &
  8596. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8597. (phy->req_line_speed == SPEED_1000)) {
  8598. an_1000_val |= (1<<8);
  8599. autoneg_val |= (1<<9 | 1<<12);
  8600. if (phy->req_duplex == DUPLEX_FULL)
  8601. an_1000_val |= (1<<9);
  8602. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8603. } else
  8604. an_1000_val &= ~((1<<8) | (1<<9));
  8605. bnx2x_cl45_write(bp, phy,
  8606. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8607. an_1000_val);
  8608. /* Set 10/100 speed advertisement */
  8609. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8610. if (phy->speed_cap_mask &
  8611. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8612. /* Enable autoneg and restart autoneg for legacy speeds
  8613. */
  8614. autoneg_val |= (1<<9 | 1<<12);
  8615. an_10_100_val |= (1<<8);
  8616. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8617. }
  8618. if (phy->speed_cap_mask &
  8619. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8620. /* Enable autoneg and restart autoneg for legacy speeds
  8621. */
  8622. autoneg_val |= (1<<9 | 1<<12);
  8623. an_10_100_val |= (1<<7);
  8624. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8625. }
  8626. if ((phy->speed_cap_mask &
  8627. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8628. (phy->supported & SUPPORTED_10baseT_Full)) {
  8629. an_10_100_val |= (1<<6);
  8630. autoneg_val |= (1<<9 | 1<<12);
  8631. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8632. }
  8633. if ((phy->speed_cap_mask &
  8634. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8635. (phy->supported & SUPPORTED_10baseT_Half)) {
  8636. an_10_100_val |= (1<<5);
  8637. autoneg_val |= (1<<9 | 1<<12);
  8638. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8639. }
  8640. }
  8641. /* Only 10/100 are allowed to work in FORCE mode */
  8642. if ((phy->req_line_speed == SPEED_100) &&
  8643. (phy->supported &
  8644. (SUPPORTED_100baseT_Half |
  8645. SUPPORTED_100baseT_Full))) {
  8646. autoneg_val |= (1<<13);
  8647. /* Enabled AUTO-MDIX when autoneg is disabled */
  8648. bnx2x_cl45_write(bp, phy,
  8649. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8650. (1<<15 | 1<<9 | 7<<0));
  8651. /* The PHY needs this set even for forced link. */
  8652. an_10_100_val |= (1<<8) | (1<<7);
  8653. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8654. }
  8655. if ((phy->req_line_speed == SPEED_10) &&
  8656. (phy->supported &
  8657. (SUPPORTED_10baseT_Half |
  8658. SUPPORTED_10baseT_Full))) {
  8659. /* Enabled AUTO-MDIX when autoneg is disabled */
  8660. bnx2x_cl45_write(bp, phy,
  8661. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8662. (1<<15 | 1<<9 | 7<<0));
  8663. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8664. }
  8665. bnx2x_cl45_write(bp, phy,
  8666. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8667. an_10_100_val);
  8668. if (phy->req_duplex == DUPLEX_FULL)
  8669. autoneg_val |= (1<<8);
  8670. /* Always write this if this is not 84833/4.
  8671. * For 84833/4, write it only when it's a forced speed.
  8672. */
  8673. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8674. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8675. ((autoneg_val & (1<<12)) == 0))
  8676. bnx2x_cl45_write(bp, phy,
  8677. MDIO_AN_DEVAD,
  8678. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8679. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8680. (phy->speed_cap_mask &
  8681. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8682. (phy->req_line_speed == SPEED_10000)) {
  8683. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8684. /* Restart autoneg for 10G*/
  8685. bnx2x_cl45_read_or_write(
  8686. bp, phy,
  8687. MDIO_AN_DEVAD,
  8688. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8689. 0x1000);
  8690. bnx2x_cl45_write(bp, phy,
  8691. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8692. 0x3200);
  8693. } else
  8694. bnx2x_cl45_write(bp, phy,
  8695. MDIO_AN_DEVAD,
  8696. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8697. 1);
  8698. return 0;
  8699. }
  8700. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8701. struct link_params *params,
  8702. struct link_vars *vars)
  8703. {
  8704. struct bnx2x *bp = params->bp;
  8705. /* Restore normal power mode*/
  8706. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8707. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8708. /* HW reset */
  8709. bnx2x_ext_phy_hw_reset(bp, params->port);
  8710. bnx2x_wait_reset_complete(bp, phy, params);
  8711. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8712. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8713. }
  8714. #define PHY84833_CMDHDLR_WAIT 300
  8715. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8716. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8717. struct link_params *params, u16 fw_cmd,
  8718. u16 cmd_args[], int argc)
  8719. {
  8720. int idx;
  8721. u16 val;
  8722. struct bnx2x *bp = params->bp;
  8723. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8724. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8725. MDIO_84833_CMD_HDLR_STATUS,
  8726. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8727. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8728. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8729. MDIO_84833_CMD_HDLR_STATUS, &val);
  8730. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8731. break;
  8732. usleep_range(1000, 2000);
  8733. }
  8734. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8735. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8736. return -EINVAL;
  8737. }
  8738. /* Prepare argument(s) and issue command */
  8739. for (idx = 0; idx < argc; idx++) {
  8740. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8741. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8742. cmd_args[idx]);
  8743. }
  8744. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8745. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8746. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8747. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8748. MDIO_84833_CMD_HDLR_STATUS, &val);
  8749. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8750. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8751. break;
  8752. usleep_range(1000, 2000);
  8753. }
  8754. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8755. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8756. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8757. return -EINVAL;
  8758. }
  8759. /* Gather returning data */
  8760. for (idx = 0; idx < argc; idx++) {
  8761. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8762. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8763. &cmd_args[idx]);
  8764. }
  8765. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8766. MDIO_84833_CMD_HDLR_STATUS,
  8767. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8768. return 0;
  8769. }
  8770. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8771. struct link_params *params,
  8772. struct link_vars *vars)
  8773. {
  8774. u32 pair_swap;
  8775. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8776. int status;
  8777. struct bnx2x *bp = params->bp;
  8778. /* Check for configuration. */
  8779. pair_swap = REG_RD(bp, params->shmem_base +
  8780. offsetof(struct shmem_region,
  8781. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8782. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8783. if (pair_swap == 0)
  8784. return 0;
  8785. /* Only the second argument is used for this command */
  8786. data[1] = (u16)pair_swap;
  8787. status = bnx2x_84833_cmd_hdlr(phy, params,
  8788. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8789. if (status == 0)
  8790. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8791. return status;
  8792. }
  8793. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8794. u32 shmem_base_path[],
  8795. u32 chip_id)
  8796. {
  8797. u32 reset_pin[2];
  8798. u32 idx;
  8799. u8 reset_gpios;
  8800. if (CHIP_IS_E3(bp)) {
  8801. /* Assume that these will be GPIOs, not EPIOs. */
  8802. for (idx = 0; idx < 2; idx++) {
  8803. /* Map config param to register bit. */
  8804. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8805. offsetof(struct shmem_region,
  8806. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8807. reset_pin[idx] = (reset_pin[idx] &
  8808. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8809. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8810. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8811. reset_pin[idx] = (1 << reset_pin[idx]);
  8812. }
  8813. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8814. } else {
  8815. /* E2, look from diff place of shmem. */
  8816. for (idx = 0; idx < 2; idx++) {
  8817. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8818. offsetof(struct shmem_region,
  8819. dev_info.port_hw_config[0].default_cfg));
  8820. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8821. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8822. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8823. reset_pin[idx] = (1 << reset_pin[idx]);
  8824. }
  8825. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8826. }
  8827. return reset_gpios;
  8828. }
  8829. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8830. struct link_params *params)
  8831. {
  8832. struct bnx2x *bp = params->bp;
  8833. u8 reset_gpios;
  8834. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8835. offsetof(struct shmem2_region,
  8836. other_shmem_base_addr));
  8837. u32 shmem_base_path[2];
  8838. /* Work around for 84833 LED failure inside RESET status */
  8839. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8840. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8841. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8842. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8843. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8844. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8845. shmem_base_path[0] = params->shmem_base;
  8846. shmem_base_path[1] = other_shmem_base_addr;
  8847. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8848. params->chip_id);
  8849. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8850. udelay(10);
  8851. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8852. reset_gpios);
  8853. return 0;
  8854. }
  8855. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8856. struct link_params *params,
  8857. struct link_vars *vars)
  8858. {
  8859. int rc;
  8860. struct bnx2x *bp = params->bp;
  8861. u16 cmd_args = 0;
  8862. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8863. /* Prevent Phy from working in EEE and advertising it */
  8864. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8865. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8866. if (rc) {
  8867. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8868. return rc;
  8869. }
  8870. return bnx2x_eee_disable(phy, params, vars);
  8871. }
  8872. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8873. struct link_params *params,
  8874. struct link_vars *vars)
  8875. {
  8876. int rc;
  8877. struct bnx2x *bp = params->bp;
  8878. u16 cmd_args = 1;
  8879. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8880. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8881. if (rc) {
  8882. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8883. return rc;
  8884. }
  8885. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8886. }
  8887. #define PHY84833_CONSTANT_LATENCY 1193
  8888. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8889. struct link_params *params,
  8890. struct link_vars *vars)
  8891. {
  8892. struct bnx2x *bp = params->bp;
  8893. u8 port, initialize = 1;
  8894. u16 val;
  8895. u32 actual_phy_selection;
  8896. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8897. int rc = 0;
  8898. usleep_range(1000, 2000);
  8899. if (!(CHIP_IS_E1x(bp)))
  8900. port = BP_PATH(bp);
  8901. else
  8902. port = params->port;
  8903. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8904. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8905. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8906. port);
  8907. } else {
  8908. /* MDIO reset */
  8909. bnx2x_cl45_write(bp, phy,
  8910. MDIO_PMA_DEVAD,
  8911. MDIO_PMA_REG_CTRL, 0x8000);
  8912. }
  8913. bnx2x_wait_reset_complete(bp, phy, params);
  8914. /* Wait for GPHY to come out of reset */
  8915. msleep(50);
  8916. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8917. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8918. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8919. * behavior.
  8920. */
  8921. u16 temp;
  8922. temp = vars->line_speed;
  8923. vars->line_speed = SPEED_10000;
  8924. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8925. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8926. vars->line_speed = temp;
  8927. }
  8928. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8929. MDIO_CTL_REG_84823_MEDIA, &val);
  8930. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8931. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8932. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8933. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8934. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8935. if (CHIP_IS_E3(bp)) {
  8936. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8937. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8938. } else {
  8939. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8940. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8941. }
  8942. actual_phy_selection = bnx2x_phy_selection(params);
  8943. switch (actual_phy_selection) {
  8944. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8945. /* Do nothing. Essentially this is like the priority copper */
  8946. break;
  8947. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8948. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8949. break;
  8950. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8951. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8952. break;
  8953. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8954. /* Do nothing here. The first PHY won't be initialized at all */
  8955. break;
  8956. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8957. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8958. initialize = 0;
  8959. break;
  8960. }
  8961. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8962. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8963. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8964. MDIO_CTL_REG_84823_MEDIA, val);
  8965. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8966. params->multi_phy_config, val);
  8967. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8968. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8969. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8970. /* Keep AutogrEEEn disabled. */
  8971. cmd_args[0] = 0x0;
  8972. cmd_args[1] = 0x0;
  8973. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8974. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8975. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8976. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8977. PHY84833_CMDHDLR_MAX_ARGS);
  8978. if (rc)
  8979. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8980. }
  8981. if (initialize)
  8982. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8983. else
  8984. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8985. /* 84833 PHY has a better feature and doesn't need to support this. */
  8986. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8987. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8988. offsetof(struct shmem_region,
  8989. dev_info.port_hw_config[params->port].default_cfg)) &
  8990. PORT_HW_CFG_ENABLE_CMS_MASK;
  8991. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8992. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8993. if (cms_enable)
  8994. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8995. else
  8996. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8997. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8998. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8999. }
  9000. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9001. MDIO_84833_TOP_CFG_FW_REV, &val);
  9002. /* Configure EEE support */
  9003. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9004. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9005. bnx2x_eee_has_cap(params)) {
  9006. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9007. if (rc) {
  9008. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9009. bnx2x_8483x_disable_eee(phy, params, vars);
  9010. return rc;
  9011. }
  9012. if ((phy->req_duplex == DUPLEX_FULL) &&
  9013. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9014. (bnx2x_eee_calc_timer(params) ||
  9015. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9016. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9017. else
  9018. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9019. if (rc) {
  9020. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9021. return rc;
  9022. }
  9023. } else {
  9024. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9025. }
  9026. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9027. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9028. /* Bring PHY out of super isolate mode as the final step. */
  9029. bnx2x_cl45_read_and_write(bp, phy,
  9030. MDIO_CTL_DEVAD,
  9031. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9032. (u16)~MDIO_84833_SUPER_ISOLATE);
  9033. }
  9034. return rc;
  9035. }
  9036. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9037. struct link_params *params,
  9038. struct link_vars *vars)
  9039. {
  9040. struct bnx2x *bp = params->bp;
  9041. u16 val, val1, val2;
  9042. u8 link_up = 0;
  9043. /* Check 10G-BaseT link status */
  9044. /* Check PMD signal ok */
  9045. bnx2x_cl45_read(bp, phy,
  9046. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9047. bnx2x_cl45_read(bp, phy,
  9048. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9049. &val2);
  9050. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9051. /* Check link 10G */
  9052. if (val2 & (1<<11)) {
  9053. vars->line_speed = SPEED_10000;
  9054. vars->duplex = DUPLEX_FULL;
  9055. link_up = 1;
  9056. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9057. } else { /* Check Legacy speed link */
  9058. u16 legacy_status, legacy_speed;
  9059. /* Enable expansion register 0x42 (Operation mode status) */
  9060. bnx2x_cl45_write(bp, phy,
  9061. MDIO_AN_DEVAD,
  9062. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9063. /* Get legacy speed operation status */
  9064. bnx2x_cl45_read(bp, phy,
  9065. MDIO_AN_DEVAD,
  9066. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9067. &legacy_status);
  9068. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9069. legacy_status);
  9070. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9071. legacy_speed = (legacy_status & (3<<9));
  9072. if (legacy_speed == (0<<9))
  9073. vars->line_speed = SPEED_10;
  9074. else if (legacy_speed == (1<<9))
  9075. vars->line_speed = SPEED_100;
  9076. else if (legacy_speed == (2<<9))
  9077. vars->line_speed = SPEED_1000;
  9078. else { /* Should not happen: Treat as link down */
  9079. vars->line_speed = 0;
  9080. link_up = 0;
  9081. }
  9082. if (link_up) {
  9083. if (legacy_status & (1<<8))
  9084. vars->duplex = DUPLEX_FULL;
  9085. else
  9086. vars->duplex = DUPLEX_HALF;
  9087. DP(NETIF_MSG_LINK,
  9088. "Link is up in %dMbps, is_duplex_full= %d\n",
  9089. vars->line_speed,
  9090. (vars->duplex == DUPLEX_FULL));
  9091. /* Check legacy speed AN resolution */
  9092. bnx2x_cl45_read(bp, phy,
  9093. MDIO_AN_DEVAD,
  9094. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9095. &val);
  9096. if (val & (1<<5))
  9097. vars->link_status |=
  9098. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9099. bnx2x_cl45_read(bp, phy,
  9100. MDIO_AN_DEVAD,
  9101. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9102. &val);
  9103. if ((val & (1<<0)) == 0)
  9104. vars->link_status |=
  9105. LINK_STATUS_PARALLEL_DETECTION_USED;
  9106. }
  9107. }
  9108. if (link_up) {
  9109. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9110. vars->line_speed);
  9111. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9112. /* Read LP advertised speeds */
  9113. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9114. MDIO_AN_REG_CL37_FC_LP, &val);
  9115. if (val & (1<<5))
  9116. vars->link_status |=
  9117. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9118. if (val & (1<<6))
  9119. vars->link_status |=
  9120. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9121. if (val & (1<<7))
  9122. vars->link_status |=
  9123. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9124. if (val & (1<<8))
  9125. vars->link_status |=
  9126. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9127. if (val & (1<<9))
  9128. vars->link_status |=
  9129. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9130. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9131. MDIO_AN_REG_1000T_STATUS, &val);
  9132. if (val & (1<<10))
  9133. vars->link_status |=
  9134. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9135. if (val & (1<<11))
  9136. vars->link_status |=
  9137. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9138. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9139. MDIO_AN_REG_MASTER_STATUS, &val);
  9140. if (val & (1<<11))
  9141. vars->link_status |=
  9142. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9143. /* Determine if EEE was negotiated */
  9144. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9145. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9146. bnx2x_eee_an_resolve(phy, params, vars);
  9147. }
  9148. return link_up;
  9149. }
  9150. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9151. {
  9152. int status = 0;
  9153. u32 spirom_ver;
  9154. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9155. status = bnx2x_format_ver(spirom_ver, str, len);
  9156. return status;
  9157. }
  9158. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9159. struct link_params *params)
  9160. {
  9161. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9162. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9163. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9164. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9165. }
  9166. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9167. struct link_params *params)
  9168. {
  9169. bnx2x_cl45_write(params->bp, phy,
  9170. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9171. bnx2x_cl45_write(params->bp, phy,
  9172. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9173. }
  9174. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9175. struct link_params *params)
  9176. {
  9177. struct bnx2x *bp = params->bp;
  9178. u8 port;
  9179. u16 val16;
  9180. if (!(CHIP_IS_E1x(bp)))
  9181. port = BP_PATH(bp);
  9182. else
  9183. port = params->port;
  9184. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9185. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9186. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9187. port);
  9188. } else {
  9189. bnx2x_cl45_read(bp, phy,
  9190. MDIO_CTL_DEVAD,
  9191. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9192. val16 |= MDIO_84833_SUPER_ISOLATE;
  9193. bnx2x_cl45_write(bp, phy,
  9194. MDIO_CTL_DEVAD,
  9195. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9196. }
  9197. }
  9198. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9199. struct link_params *params, u8 mode)
  9200. {
  9201. struct bnx2x *bp = params->bp;
  9202. u16 val;
  9203. u8 port;
  9204. if (!(CHIP_IS_E1x(bp)))
  9205. port = BP_PATH(bp);
  9206. else
  9207. port = params->port;
  9208. switch (mode) {
  9209. case LED_MODE_OFF:
  9210. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9211. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9212. SHARED_HW_CFG_LED_EXTPHY1) {
  9213. /* Set LED masks */
  9214. bnx2x_cl45_write(bp, phy,
  9215. MDIO_PMA_DEVAD,
  9216. MDIO_PMA_REG_8481_LED1_MASK,
  9217. 0x0);
  9218. bnx2x_cl45_write(bp, phy,
  9219. MDIO_PMA_DEVAD,
  9220. MDIO_PMA_REG_8481_LED2_MASK,
  9221. 0x0);
  9222. bnx2x_cl45_write(bp, phy,
  9223. MDIO_PMA_DEVAD,
  9224. MDIO_PMA_REG_8481_LED3_MASK,
  9225. 0x0);
  9226. bnx2x_cl45_write(bp, phy,
  9227. MDIO_PMA_DEVAD,
  9228. MDIO_PMA_REG_8481_LED5_MASK,
  9229. 0x0);
  9230. } else {
  9231. bnx2x_cl45_write(bp, phy,
  9232. MDIO_PMA_DEVAD,
  9233. MDIO_PMA_REG_8481_LED1_MASK,
  9234. 0x0);
  9235. }
  9236. break;
  9237. case LED_MODE_FRONT_PANEL_OFF:
  9238. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9239. port);
  9240. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9241. SHARED_HW_CFG_LED_EXTPHY1) {
  9242. /* Set LED masks */
  9243. bnx2x_cl45_write(bp, phy,
  9244. MDIO_PMA_DEVAD,
  9245. MDIO_PMA_REG_8481_LED1_MASK,
  9246. 0x0);
  9247. bnx2x_cl45_write(bp, phy,
  9248. MDIO_PMA_DEVAD,
  9249. MDIO_PMA_REG_8481_LED2_MASK,
  9250. 0x0);
  9251. bnx2x_cl45_write(bp, phy,
  9252. MDIO_PMA_DEVAD,
  9253. MDIO_PMA_REG_8481_LED3_MASK,
  9254. 0x0);
  9255. bnx2x_cl45_write(bp, phy,
  9256. MDIO_PMA_DEVAD,
  9257. MDIO_PMA_REG_8481_LED5_MASK,
  9258. 0x20);
  9259. } else {
  9260. bnx2x_cl45_write(bp, phy,
  9261. MDIO_PMA_DEVAD,
  9262. MDIO_PMA_REG_8481_LED1_MASK,
  9263. 0x0);
  9264. if (phy->type ==
  9265. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9266. /* Disable MI_INT interrupt before setting LED4
  9267. * source to constant off.
  9268. */
  9269. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9270. params->port*4) &
  9271. NIG_MASK_MI_INT) {
  9272. params->link_flags |=
  9273. LINK_FLAGS_INT_DISABLED;
  9274. bnx2x_bits_dis(
  9275. bp,
  9276. NIG_REG_MASK_INTERRUPT_PORT0 +
  9277. params->port*4,
  9278. NIG_MASK_MI_INT);
  9279. }
  9280. bnx2x_cl45_write(bp, phy,
  9281. MDIO_PMA_DEVAD,
  9282. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9283. 0x0);
  9284. }
  9285. }
  9286. break;
  9287. case LED_MODE_ON:
  9288. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9289. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9290. SHARED_HW_CFG_LED_EXTPHY1) {
  9291. /* Set control reg */
  9292. bnx2x_cl45_read(bp, phy,
  9293. MDIO_PMA_DEVAD,
  9294. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9295. &val);
  9296. val &= 0x8000;
  9297. val |= 0x2492;
  9298. bnx2x_cl45_write(bp, phy,
  9299. MDIO_PMA_DEVAD,
  9300. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9301. val);
  9302. /* Set LED masks */
  9303. bnx2x_cl45_write(bp, phy,
  9304. MDIO_PMA_DEVAD,
  9305. MDIO_PMA_REG_8481_LED1_MASK,
  9306. 0x0);
  9307. bnx2x_cl45_write(bp, phy,
  9308. MDIO_PMA_DEVAD,
  9309. MDIO_PMA_REG_8481_LED2_MASK,
  9310. 0x20);
  9311. bnx2x_cl45_write(bp, phy,
  9312. MDIO_PMA_DEVAD,
  9313. MDIO_PMA_REG_8481_LED3_MASK,
  9314. 0x20);
  9315. bnx2x_cl45_write(bp, phy,
  9316. MDIO_PMA_DEVAD,
  9317. MDIO_PMA_REG_8481_LED5_MASK,
  9318. 0x0);
  9319. } else {
  9320. bnx2x_cl45_write(bp, phy,
  9321. MDIO_PMA_DEVAD,
  9322. MDIO_PMA_REG_8481_LED1_MASK,
  9323. 0x20);
  9324. if (phy->type ==
  9325. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9326. /* Disable MI_INT interrupt before setting LED4
  9327. * source to constant on.
  9328. */
  9329. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9330. params->port*4) &
  9331. NIG_MASK_MI_INT) {
  9332. params->link_flags |=
  9333. LINK_FLAGS_INT_DISABLED;
  9334. bnx2x_bits_dis(
  9335. bp,
  9336. NIG_REG_MASK_INTERRUPT_PORT0 +
  9337. params->port*4,
  9338. NIG_MASK_MI_INT);
  9339. }
  9340. bnx2x_cl45_write(bp, phy,
  9341. MDIO_PMA_DEVAD,
  9342. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9343. 0x20);
  9344. }
  9345. }
  9346. break;
  9347. case LED_MODE_OPER:
  9348. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9349. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9350. SHARED_HW_CFG_LED_EXTPHY1) {
  9351. /* Set control reg */
  9352. bnx2x_cl45_read(bp, phy,
  9353. MDIO_PMA_DEVAD,
  9354. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9355. &val);
  9356. if (!((val &
  9357. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9358. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9359. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9360. bnx2x_cl45_write(bp, phy,
  9361. MDIO_PMA_DEVAD,
  9362. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9363. 0xa492);
  9364. }
  9365. /* Set LED masks */
  9366. bnx2x_cl45_write(bp, phy,
  9367. MDIO_PMA_DEVAD,
  9368. MDIO_PMA_REG_8481_LED1_MASK,
  9369. 0x10);
  9370. bnx2x_cl45_write(bp, phy,
  9371. MDIO_PMA_DEVAD,
  9372. MDIO_PMA_REG_8481_LED2_MASK,
  9373. 0x80);
  9374. bnx2x_cl45_write(bp, phy,
  9375. MDIO_PMA_DEVAD,
  9376. MDIO_PMA_REG_8481_LED3_MASK,
  9377. 0x98);
  9378. bnx2x_cl45_write(bp, phy,
  9379. MDIO_PMA_DEVAD,
  9380. MDIO_PMA_REG_8481_LED5_MASK,
  9381. 0x40);
  9382. } else {
  9383. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9384. * sources are all wired through LED1, rather than only
  9385. * 10G in other modes.
  9386. */
  9387. val = ((params->hw_led_mode <<
  9388. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9389. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9390. bnx2x_cl45_write(bp, phy,
  9391. MDIO_PMA_DEVAD,
  9392. MDIO_PMA_REG_8481_LED1_MASK,
  9393. val);
  9394. /* Tell LED3 to blink on source */
  9395. bnx2x_cl45_read(bp, phy,
  9396. MDIO_PMA_DEVAD,
  9397. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9398. &val);
  9399. val &= ~(7<<6);
  9400. val |= (1<<6); /* A83B[8:6]= 1 */
  9401. bnx2x_cl45_write(bp, phy,
  9402. MDIO_PMA_DEVAD,
  9403. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9404. val);
  9405. if (phy->type ==
  9406. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9407. /* Restore LED4 source to external link,
  9408. * and re-enable interrupts.
  9409. */
  9410. bnx2x_cl45_write(bp, phy,
  9411. MDIO_PMA_DEVAD,
  9412. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9413. 0x40);
  9414. if (params->link_flags &
  9415. LINK_FLAGS_INT_DISABLED) {
  9416. bnx2x_link_int_enable(params);
  9417. params->link_flags &=
  9418. ~LINK_FLAGS_INT_DISABLED;
  9419. }
  9420. }
  9421. }
  9422. break;
  9423. }
  9424. /* This is a workaround for E3+84833 until autoneg
  9425. * restart is fixed in f/w
  9426. */
  9427. if (CHIP_IS_E3(bp)) {
  9428. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9429. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9430. }
  9431. }
  9432. /******************************************************************/
  9433. /* 54618SE PHY SECTION */
  9434. /******************************************************************/
  9435. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9436. struct link_params *params,
  9437. u32 action)
  9438. {
  9439. struct bnx2x *bp = params->bp;
  9440. u16 temp;
  9441. switch (action) {
  9442. case PHY_INIT:
  9443. /* Configure LED4: set to INTR (0x6). */
  9444. /* Accessing shadow register 0xe. */
  9445. bnx2x_cl22_write(bp, phy,
  9446. MDIO_REG_GPHY_SHADOW,
  9447. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9448. bnx2x_cl22_read(bp, phy,
  9449. MDIO_REG_GPHY_SHADOW,
  9450. &temp);
  9451. temp &= ~(0xf << 4);
  9452. temp |= (0x6 << 4);
  9453. bnx2x_cl22_write(bp, phy,
  9454. MDIO_REG_GPHY_SHADOW,
  9455. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9456. /* Configure INTR based on link status change. */
  9457. bnx2x_cl22_write(bp, phy,
  9458. MDIO_REG_INTR_MASK,
  9459. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9460. break;
  9461. }
  9462. }
  9463. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9464. struct link_params *params,
  9465. struct link_vars *vars)
  9466. {
  9467. struct bnx2x *bp = params->bp;
  9468. u8 port;
  9469. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9470. u32 cfg_pin;
  9471. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9472. usleep_range(1000, 2000);
  9473. /* This works with E3 only, no need to check the chip
  9474. * before determining the port.
  9475. */
  9476. port = params->port;
  9477. cfg_pin = (REG_RD(bp, params->shmem_base +
  9478. offsetof(struct shmem_region,
  9479. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9480. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9481. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9482. /* Drive pin high to bring the GPHY out of reset. */
  9483. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9484. /* wait for GPHY to reset */
  9485. msleep(50);
  9486. /* reset phy */
  9487. bnx2x_cl22_write(bp, phy,
  9488. MDIO_PMA_REG_CTRL, 0x8000);
  9489. bnx2x_wait_reset_complete(bp, phy, params);
  9490. /* Wait for GPHY to reset */
  9491. msleep(50);
  9492. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9493. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9494. bnx2x_cl22_write(bp, phy,
  9495. MDIO_REG_GPHY_SHADOW,
  9496. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9497. bnx2x_cl22_read(bp, phy,
  9498. MDIO_REG_GPHY_SHADOW,
  9499. &temp);
  9500. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9501. bnx2x_cl22_write(bp, phy,
  9502. MDIO_REG_GPHY_SHADOW,
  9503. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9504. /* Set up fc */
  9505. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9506. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9507. fc_val = 0;
  9508. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9509. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9510. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9511. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9512. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9513. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9514. /* Read all advertisement */
  9515. bnx2x_cl22_read(bp, phy,
  9516. 0x09,
  9517. &an_1000_val);
  9518. bnx2x_cl22_read(bp, phy,
  9519. 0x04,
  9520. &an_10_100_val);
  9521. bnx2x_cl22_read(bp, phy,
  9522. MDIO_PMA_REG_CTRL,
  9523. &autoneg_val);
  9524. /* Disable forced speed */
  9525. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9526. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9527. (1<<11));
  9528. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9529. (phy->speed_cap_mask &
  9530. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9531. (phy->req_line_speed == SPEED_1000)) {
  9532. an_1000_val |= (1<<8);
  9533. autoneg_val |= (1<<9 | 1<<12);
  9534. if (phy->req_duplex == DUPLEX_FULL)
  9535. an_1000_val |= (1<<9);
  9536. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9537. } else
  9538. an_1000_val &= ~((1<<8) | (1<<9));
  9539. bnx2x_cl22_write(bp, phy,
  9540. 0x09,
  9541. an_1000_val);
  9542. bnx2x_cl22_read(bp, phy,
  9543. 0x09,
  9544. &an_1000_val);
  9545. /* Advertise 10/100 link speed */
  9546. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  9547. if (phy->speed_cap_mask &
  9548. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
  9549. an_10_100_val |= (1<<5);
  9550. autoneg_val |= (1<<9 | 1<<12);
  9551. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  9552. }
  9553. if (phy->speed_cap_mask &
  9554. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
  9555. an_10_100_val |= (1<<6);
  9556. autoneg_val |= (1<<9 | 1<<12);
  9557. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  9558. }
  9559. if (phy->speed_cap_mask &
  9560. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  9561. an_10_100_val |= (1<<7);
  9562. autoneg_val |= (1<<9 | 1<<12);
  9563. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  9564. }
  9565. if (phy->speed_cap_mask &
  9566. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  9567. an_10_100_val |= (1<<8);
  9568. autoneg_val |= (1<<9 | 1<<12);
  9569. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  9570. }
  9571. }
  9572. /* Only 10/100 are allowed to work in FORCE mode */
  9573. if (phy->req_line_speed == SPEED_100) {
  9574. autoneg_val |= (1<<13);
  9575. /* Enabled AUTO-MDIX when autoneg is disabled */
  9576. bnx2x_cl22_write(bp, phy,
  9577. 0x18,
  9578. (1<<15 | 1<<9 | 7<<0));
  9579. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9580. }
  9581. if (phy->req_line_speed == SPEED_10) {
  9582. /* Enabled AUTO-MDIX when autoneg is disabled */
  9583. bnx2x_cl22_write(bp, phy,
  9584. 0x18,
  9585. (1<<15 | 1<<9 | 7<<0));
  9586. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9587. }
  9588. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9589. int rc;
  9590. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9591. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9592. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9593. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9594. temp &= 0xfffe;
  9595. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9596. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9597. if (rc) {
  9598. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9599. bnx2x_eee_disable(phy, params, vars);
  9600. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9601. (phy->req_duplex == DUPLEX_FULL) &&
  9602. (bnx2x_eee_calc_timer(params) ||
  9603. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9604. /* Need to advertise EEE only when requested,
  9605. * and either no LPI assertion was requested,
  9606. * or it was requested and a valid timer was set.
  9607. * Also notice full duplex is required for EEE.
  9608. */
  9609. bnx2x_eee_advertise(phy, params, vars,
  9610. SHMEM_EEE_1G_ADV);
  9611. } else {
  9612. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9613. bnx2x_eee_disable(phy, params, vars);
  9614. }
  9615. } else {
  9616. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9617. SHMEM_EEE_SUPPORTED_SHIFT;
  9618. if (phy->flags & FLAGS_EEE) {
  9619. /* Handle legacy auto-grEEEn */
  9620. if (params->feature_config_flags &
  9621. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9622. temp = 6;
  9623. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9624. } else {
  9625. temp = 0;
  9626. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9627. }
  9628. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9629. MDIO_AN_REG_EEE_ADV, temp);
  9630. }
  9631. }
  9632. bnx2x_cl22_write(bp, phy,
  9633. 0x04,
  9634. an_10_100_val | fc_val);
  9635. if (phy->req_duplex == DUPLEX_FULL)
  9636. autoneg_val |= (1<<8);
  9637. bnx2x_cl22_write(bp, phy,
  9638. MDIO_PMA_REG_CTRL, autoneg_val);
  9639. return 0;
  9640. }
  9641. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9642. struct link_params *params, u8 mode)
  9643. {
  9644. struct bnx2x *bp = params->bp;
  9645. u16 temp;
  9646. bnx2x_cl22_write(bp, phy,
  9647. MDIO_REG_GPHY_SHADOW,
  9648. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9649. bnx2x_cl22_read(bp, phy,
  9650. MDIO_REG_GPHY_SHADOW,
  9651. &temp);
  9652. temp &= 0xff00;
  9653. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9654. switch (mode) {
  9655. case LED_MODE_FRONT_PANEL_OFF:
  9656. case LED_MODE_OFF:
  9657. temp |= 0x00ee;
  9658. break;
  9659. case LED_MODE_OPER:
  9660. temp |= 0x0001;
  9661. break;
  9662. case LED_MODE_ON:
  9663. temp |= 0x00ff;
  9664. break;
  9665. default:
  9666. break;
  9667. }
  9668. bnx2x_cl22_write(bp, phy,
  9669. MDIO_REG_GPHY_SHADOW,
  9670. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9671. return;
  9672. }
  9673. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9674. struct link_params *params)
  9675. {
  9676. struct bnx2x *bp = params->bp;
  9677. u32 cfg_pin;
  9678. u8 port;
  9679. /* In case of no EPIO routed to reset the GPHY, put it
  9680. * in low power mode.
  9681. */
  9682. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9683. /* This works with E3 only, no need to check the chip
  9684. * before determining the port.
  9685. */
  9686. port = params->port;
  9687. cfg_pin = (REG_RD(bp, params->shmem_base +
  9688. offsetof(struct shmem_region,
  9689. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9690. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9691. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9692. /* Drive pin low to put GPHY in reset. */
  9693. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9694. }
  9695. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9696. struct link_params *params,
  9697. struct link_vars *vars)
  9698. {
  9699. struct bnx2x *bp = params->bp;
  9700. u16 val;
  9701. u8 link_up = 0;
  9702. u16 legacy_status, legacy_speed;
  9703. /* Get speed operation status */
  9704. bnx2x_cl22_read(bp, phy,
  9705. MDIO_REG_GPHY_AUX_STATUS,
  9706. &legacy_status);
  9707. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9708. /* Read status to clear the PHY interrupt. */
  9709. bnx2x_cl22_read(bp, phy,
  9710. MDIO_REG_INTR_STATUS,
  9711. &val);
  9712. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9713. if (link_up) {
  9714. legacy_speed = (legacy_status & (7<<8));
  9715. if (legacy_speed == (7<<8)) {
  9716. vars->line_speed = SPEED_1000;
  9717. vars->duplex = DUPLEX_FULL;
  9718. } else if (legacy_speed == (6<<8)) {
  9719. vars->line_speed = SPEED_1000;
  9720. vars->duplex = DUPLEX_HALF;
  9721. } else if (legacy_speed == (5<<8)) {
  9722. vars->line_speed = SPEED_100;
  9723. vars->duplex = DUPLEX_FULL;
  9724. }
  9725. /* Omitting 100Base-T4 for now */
  9726. else if (legacy_speed == (3<<8)) {
  9727. vars->line_speed = SPEED_100;
  9728. vars->duplex = DUPLEX_HALF;
  9729. } else if (legacy_speed == (2<<8)) {
  9730. vars->line_speed = SPEED_10;
  9731. vars->duplex = DUPLEX_FULL;
  9732. } else if (legacy_speed == (1<<8)) {
  9733. vars->line_speed = SPEED_10;
  9734. vars->duplex = DUPLEX_HALF;
  9735. } else /* Should not happen */
  9736. vars->line_speed = 0;
  9737. DP(NETIF_MSG_LINK,
  9738. "Link is up in %dMbps, is_duplex_full= %d\n",
  9739. vars->line_speed,
  9740. (vars->duplex == DUPLEX_FULL));
  9741. /* Check legacy speed AN resolution */
  9742. bnx2x_cl22_read(bp, phy,
  9743. 0x01,
  9744. &val);
  9745. if (val & (1<<5))
  9746. vars->link_status |=
  9747. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9748. bnx2x_cl22_read(bp, phy,
  9749. 0x06,
  9750. &val);
  9751. if ((val & (1<<0)) == 0)
  9752. vars->link_status |=
  9753. LINK_STATUS_PARALLEL_DETECTION_USED;
  9754. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9755. vars->line_speed);
  9756. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9757. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9758. /* Report LP advertised speeds */
  9759. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9760. if (val & (1<<5))
  9761. vars->link_status |=
  9762. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9763. if (val & (1<<6))
  9764. vars->link_status |=
  9765. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9766. if (val & (1<<7))
  9767. vars->link_status |=
  9768. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9769. if (val & (1<<8))
  9770. vars->link_status |=
  9771. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9772. if (val & (1<<9))
  9773. vars->link_status |=
  9774. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9775. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9776. if (val & (1<<10))
  9777. vars->link_status |=
  9778. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9779. if (val & (1<<11))
  9780. vars->link_status |=
  9781. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9782. if ((phy->flags & FLAGS_EEE) &&
  9783. bnx2x_eee_has_cap(params))
  9784. bnx2x_eee_an_resolve(phy, params, vars);
  9785. }
  9786. }
  9787. return link_up;
  9788. }
  9789. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9790. struct link_params *params)
  9791. {
  9792. struct bnx2x *bp = params->bp;
  9793. u16 val;
  9794. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9795. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9796. /* Enable master/slave manual mmode and set to master */
  9797. /* mii write 9 [bits set 11 12] */
  9798. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9799. /* forced 1G and disable autoneg */
  9800. /* set val [mii read 0] */
  9801. /* set val [expr $val & [bits clear 6 12 13]] */
  9802. /* set val [expr $val | [bits set 6 8]] */
  9803. /* mii write 0 $val */
  9804. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9805. val &= ~((1<<6) | (1<<12) | (1<<13));
  9806. val |= (1<<6) | (1<<8);
  9807. bnx2x_cl22_write(bp, phy, 0x00, val);
  9808. /* Set external loopback and Tx using 6dB coding */
  9809. /* mii write 0x18 7 */
  9810. /* set val [mii read 0x18] */
  9811. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9812. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9813. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9814. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9815. /* This register opens the gate for the UMAC despite its name */
  9816. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9817. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9818. * length used by the MAC receive logic to check frames.
  9819. */
  9820. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9821. }
  9822. /******************************************************************/
  9823. /* SFX7101 PHY SECTION */
  9824. /******************************************************************/
  9825. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9826. struct link_params *params)
  9827. {
  9828. struct bnx2x *bp = params->bp;
  9829. /* SFX7101_XGXS_TEST1 */
  9830. bnx2x_cl45_write(bp, phy,
  9831. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9832. }
  9833. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9834. struct link_params *params,
  9835. struct link_vars *vars)
  9836. {
  9837. u16 fw_ver1, fw_ver2, val;
  9838. struct bnx2x *bp = params->bp;
  9839. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9840. /* Restore normal power mode*/
  9841. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9842. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9843. /* HW reset */
  9844. bnx2x_ext_phy_hw_reset(bp, params->port);
  9845. bnx2x_wait_reset_complete(bp, phy, params);
  9846. bnx2x_cl45_write(bp, phy,
  9847. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9848. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9849. bnx2x_cl45_write(bp, phy,
  9850. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9851. bnx2x_ext_phy_set_pause(params, phy, vars);
  9852. /* Restart autoneg */
  9853. bnx2x_cl45_read(bp, phy,
  9854. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9855. val |= 0x200;
  9856. bnx2x_cl45_write(bp, phy,
  9857. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9858. /* Save spirom version */
  9859. bnx2x_cl45_read(bp, phy,
  9860. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9861. bnx2x_cl45_read(bp, phy,
  9862. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9863. bnx2x_save_spirom_version(bp, params->port,
  9864. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9865. return 0;
  9866. }
  9867. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9868. struct link_params *params,
  9869. struct link_vars *vars)
  9870. {
  9871. struct bnx2x *bp = params->bp;
  9872. u8 link_up;
  9873. u16 val1, val2;
  9874. bnx2x_cl45_read(bp, phy,
  9875. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9876. bnx2x_cl45_read(bp, phy,
  9877. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9878. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9879. val2, val1);
  9880. bnx2x_cl45_read(bp, phy,
  9881. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9882. bnx2x_cl45_read(bp, phy,
  9883. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9884. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9885. val2, val1);
  9886. link_up = ((val1 & 4) == 4);
  9887. /* If link is up print the AN outcome of the SFX7101 PHY */
  9888. if (link_up) {
  9889. bnx2x_cl45_read(bp, phy,
  9890. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9891. &val2);
  9892. vars->line_speed = SPEED_10000;
  9893. vars->duplex = DUPLEX_FULL;
  9894. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9895. val2, (val2 & (1<<14)));
  9896. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9897. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9898. /* Read LP advertised speeds */
  9899. if (val2 & (1<<11))
  9900. vars->link_status |=
  9901. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9902. }
  9903. return link_up;
  9904. }
  9905. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9906. {
  9907. if (*len < 5)
  9908. return -EINVAL;
  9909. str[0] = (spirom_ver & 0xFF);
  9910. str[1] = (spirom_ver & 0xFF00) >> 8;
  9911. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9912. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9913. str[4] = '\0';
  9914. *len -= 5;
  9915. return 0;
  9916. }
  9917. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9918. {
  9919. u16 val, cnt;
  9920. bnx2x_cl45_read(bp, phy,
  9921. MDIO_PMA_DEVAD,
  9922. MDIO_PMA_REG_7101_RESET, &val);
  9923. for (cnt = 0; cnt < 10; cnt++) {
  9924. msleep(50);
  9925. /* Writes a self-clearing reset */
  9926. bnx2x_cl45_write(bp, phy,
  9927. MDIO_PMA_DEVAD,
  9928. MDIO_PMA_REG_7101_RESET,
  9929. (val | (1<<15)));
  9930. /* Wait for clear */
  9931. bnx2x_cl45_read(bp, phy,
  9932. MDIO_PMA_DEVAD,
  9933. MDIO_PMA_REG_7101_RESET, &val);
  9934. if ((val & (1<<15)) == 0)
  9935. break;
  9936. }
  9937. }
  9938. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9939. struct link_params *params) {
  9940. /* Low power mode is controlled by GPIO 2 */
  9941. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9942. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9943. /* The PHY reset is controlled by GPIO 1 */
  9944. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9945. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9946. }
  9947. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9948. struct link_params *params, u8 mode)
  9949. {
  9950. u16 val = 0;
  9951. struct bnx2x *bp = params->bp;
  9952. switch (mode) {
  9953. case LED_MODE_FRONT_PANEL_OFF:
  9954. case LED_MODE_OFF:
  9955. val = 2;
  9956. break;
  9957. case LED_MODE_ON:
  9958. val = 1;
  9959. break;
  9960. case LED_MODE_OPER:
  9961. val = 0;
  9962. break;
  9963. }
  9964. bnx2x_cl45_write(bp, phy,
  9965. MDIO_PMA_DEVAD,
  9966. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9967. val);
  9968. }
  9969. /******************************************************************/
  9970. /* STATIC PHY DECLARATION */
  9971. /******************************************************************/
  9972. static const struct bnx2x_phy phy_null = {
  9973. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9974. .addr = 0,
  9975. .def_md_devad = 0,
  9976. .flags = FLAGS_INIT_XGXS_FIRST,
  9977. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9978. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9979. .mdio_ctrl = 0,
  9980. .supported = 0,
  9981. .media_type = ETH_PHY_NOT_PRESENT,
  9982. .ver_addr = 0,
  9983. .req_flow_ctrl = 0,
  9984. .req_line_speed = 0,
  9985. .speed_cap_mask = 0,
  9986. .req_duplex = 0,
  9987. .rsrv = 0,
  9988. .config_init = (config_init_t)NULL,
  9989. .read_status = (read_status_t)NULL,
  9990. .link_reset = (link_reset_t)NULL,
  9991. .config_loopback = (config_loopback_t)NULL,
  9992. .format_fw_ver = (format_fw_ver_t)NULL,
  9993. .hw_reset = (hw_reset_t)NULL,
  9994. .set_link_led = (set_link_led_t)NULL,
  9995. .phy_specific_func = (phy_specific_func_t)NULL
  9996. };
  9997. static const struct bnx2x_phy phy_serdes = {
  9998. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9999. .addr = 0xff,
  10000. .def_md_devad = 0,
  10001. .flags = 0,
  10002. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10003. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10004. .mdio_ctrl = 0,
  10005. .supported = (SUPPORTED_10baseT_Half |
  10006. SUPPORTED_10baseT_Full |
  10007. SUPPORTED_100baseT_Half |
  10008. SUPPORTED_100baseT_Full |
  10009. SUPPORTED_1000baseT_Full |
  10010. SUPPORTED_2500baseX_Full |
  10011. SUPPORTED_TP |
  10012. SUPPORTED_Autoneg |
  10013. SUPPORTED_Pause |
  10014. SUPPORTED_Asym_Pause),
  10015. .media_type = ETH_PHY_BASE_T,
  10016. .ver_addr = 0,
  10017. .req_flow_ctrl = 0,
  10018. .req_line_speed = 0,
  10019. .speed_cap_mask = 0,
  10020. .req_duplex = 0,
  10021. .rsrv = 0,
  10022. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10023. .read_status = (read_status_t)bnx2x_link_settings_status,
  10024. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10025. .config_loopback = (config_loopback_t)NULL,
  10026. .format_fw_ver = (format_fw_ver_t)NULL,
  10027. .hw_reset = (hw_reset_t)NULL,
  10028. .set_link_led = (set_link_led_t)NULL,
  10029. .phy_specific_func = (phy_specific_func_t)NULL
  10030. };
  10031. static const struct bnx2x_phy phy_xgxs = {
  10032. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10033. .addr = 0xff,
  10034. .def_md_devad = 0,
  10035. .flags = 0,
  10036. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10037. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10038. .mdio_ctrl = 0,
  10039. .supported = (SUPPORTED_10baseT_Half |
  10040. SUPPORTED_10baseT_Full |
  10041. SUPPORTED_100baseT_Half |
  10042. SUPPORTED_100baseT_Full |
  10043. SUPPORTED_1000baseT_Full |
  10044. SUPPORTED_2500baseX_Full |
  10045. SUPPORTED_10000baseT_Full |
  10046. SUPPORTED_FIBRE |
  10047. SUPPORTED_Autoneg |
  10048. SUPPORTED_Pause |
  10049. SUPPORTED_Asym_Pause),
  10050. .media_type = ETH_PHY_CX4,
  10051. .ver_addr = 0,
  10052. .req_flow_ctrl = 0,
  10053. .req_line_speed = 0,
  10054. .speed_cap_mask = 0,
  10055. .req_duplex = 0,
  10056. .rsrv = 0,
  10057. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10058. .read_status = (read_status_t)bnx2x_link_settings_status,
  10059. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10060. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10061. .format_fw_ver = (format_fw_ver_t)NULL,
  10062. .hw_reset = (hw_reset_t)NULL,
  10063. .set_link_led = (set_link_led_t)NULL,
  10064. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10065. };
  10066. static const struct bnx2x_phy phy_warpcore = {
  10067. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10068. .addr = 0xff,
  10069. .def_md_devad = 0,
  10070. .flags = FLAGS_TX_ERROR_CHECK,
  10071. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10072. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10073. .mdio_ctrl = 0,
  10074. .supported = (SUPPORTED_10baseT_Half |
  10075. SUPPORTED_10baseT_Full |
  10076. SUPPORTED_100baseT_Half |
  10077. SUPPORTED_100baseT_Full |
  10078. SUPPORTED_1000baseT_Full |
  10079. SUPPORTED_10000baseT_Full |
  10080. SUPPORTED_20000baseKR2_Full |
  10081. SUPPORTED_20000baseMLD2_Full |
  10082. SUPPORTED_FIBRE |
  10083. SUPPORTED_Autoneg |
  10084. SUPPORTED_Pause |
  10085. SUPPORTED_Asym_Pause),
  10086. .media_type = ETH_PHY_UNSPECIFIED,
  10087. .ver_addr = 0,
  10088. .req_flow_ctrl = 0,
  10089. .req_line_speed = 0,
  10090. .speed_cap_mask = 0,
  10091. /* req_duplex = */0,
  10092. /* rsrv = */0,
  10093. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10094. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10095. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10096. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10097. .format_fw_ver = (format_fw_ver_t)NULL,
  10098. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10099. .set_link_led = (set_link_led_t)NULL,
  10100. .phy_specific_func = (phy_specific_func_t)NULL
  10101. };
  10102. static const struct bnx2x_phy phy_7101 = {
  10103. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10104. .addr = 0xff,
  10105. .def_md_devad = 0,
  10106. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10107. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10108. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10109. .mdio_ctrl = 0,
  10110. .supported = (SUPPORTED_10000baseT_Full |
  10111. SUPPORTED_TP |
  10112. SUPPORTED_Autoneg |
  10113. SUPPORTED_Pause |
  10114. SUPPORTED_Asym_Pause),
  10115. .media_type = ETH_PHY_BASE_T,
  10116. .ver_addr = 0,
  10117. .req_flow_ctrl = 0,
  10118. .req_line_speed = 0,
  10119. .speed_cap_mask = 0,
  10120. .req_duplex = 0,
  10121. .rsrv = 0,
  10122. .config_init = (config_init_t)bnx2x_7101_config_init,
  10123. .read_status = (read_status_t)bnx2x_7101_read_status,
  10124. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10125. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10126. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10127. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10128. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10129. .phy_specific_func = (phy_specific_func_t)NULL
  10130. };
  10131. static const struct bnx2x_phy phy_8073 = {
  10132. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10133. .addr = 0xff,
  10134. .def_md_devad = 0,
  10135. .flags = 0,
  10136. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10137. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10138. .mdio_ctrl = 0,
  10139. .supported = (SUPPORTED_10000baseT_Full |
  10140. SUPPORTED_2500baseX_Full |
  10141. SUPPORTED_1000baseT_Full |
  10142. SUPPORTED_FIBRE |
  10143. SUPPORTED_Autoneg |
  10144. SUPPORTED_Pause |
  10145. SUPPORTED_Asym_Pause),
  10146. .media_type = ETH_PHY_KR,
  10147. .ver_addr = 0,
  10148. .req_flow_ctrl = 0,
  10149. .req_line_speed = 0,
  10150. .speed_cap_mask = 0,
  10151. .req_duplex = 0,
  10152. .rsrv = 0,
  10153. .config_init = (config_init_t)bnx2x_8073_config_init,
  10154. .read_status = (read_status_t)bnx2x_8073_read_status,
  10155. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10156. .config_loopback = (config_loopback_t)NULL,
  10157. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10158. .hw_reset = (hw_reset_t)NULL,
  10159. .set_link_led = (set_link_led_t)NULL,
  10160. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10161. };
  10162. static const struct bnx2x_phy phy_8705 = {
  10163. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10164. .addr = 0xff,
  10165. .def_md_devad = 0,
  10166. .flags = FLAGS_INIT_XGXS_FIRST,
  10167. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10168. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10169. .mdio_ctrl = 0,
  10170. .supported = (SUPPORTED_10000baseT_Full |
  10171. SUPPORTED_FIBRE |
  10172. SUPPORTED_Pause |
  10173. SUPPORTED_Asym_Pause),
  10174. .media_type = ETH_PHY_XFP_FIBER,
  10175. .ver_addr = 0,
  10176. .req_flow_ctrl = 0,
  10177. .req_line_speed = 0,
  10178. .speed_cap_mask = 0,
  10179. .req_duplex = 0,
  10180. .rsrv = 0,
  10181. .config_init = (config_init_t)bnx2x_8705_config_init,
  10182. .read_status = (read_status_t)bnx2x_8705_read_status,
  10183. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10184. .config_loopback = (config_loopback_t)NULL,
  10185. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10186. .hw_reset = (hw_reset_t)NULL,
  10187. .set_link_led = (set_link_led_t)NULL,
  10188. .phy_specific_func = (phy_specific_func_t)NULL
  10189. };
  10190. static const struct bnx2x_phy phy_8706 = {
  10191. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10192. .addr = 0xff,
  10193. .def_md_devad = 0,
  10194. .flags = FLAGS_INIT_XGXS_FIRST,
  10195. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10196. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10197. .mdio_ctrl = 0,
  10198. .supported = (SUPPORTED_10000baseT_Full |
  10199. SUPPORTED_1000baseT_Full |
  10200. SUPPORTED_FIBRE |
  10201. SUPPORTED_Pause |
  10202. SUPPORTED_Asym_Pause),
  10203. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10204. .ver_addr = 0,
  10205. .req_flow_ctrl = 0,
  10206. .req_line_speed = 0,
  10207. .speed_cap_mask = 0,
  10208. .req_duplex = 0,
  10209. .rsrv = 0,
  10210. .config_init = (config_init_t)bnx2x_8706_config_init,
  10211. .read_status = (read_status_t)bnx2x_8706_read_status,
  10212. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10213. .config_loopback = (config_loopback_t)NULL,
  10214. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10215. .hw_reset = (hw_reset_t)NULL,
  10216. .set_link_led = (set_link_led_t)NULL,
  10217. .phy_specific_func = (phy_specific_func_t)NULL
  10218. };
  10219. static const struct bnx2x_phy phy_8726 = {
  10220. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10221. .addr = 0xff,
  10222. .def_md_devad = 0,
  10223. .flags = (FLAGS_INIT_XGXS_FIRST |
  10224. FLAGS_TX_ERROR_CHECK),
  10225. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10226. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10227. .mdio_ctrl = 0,
  10228. .supported = (SUPPORTED_10000baseT_Full |
  10229. SUPPORTED_1000baseT_Full |
  10230. SUPPORTED_Autoneg |
  10231. SUPPORTED_FIBRE |
  10232. SUPPORTED_Pause |
  10233. SUPPORTED_Asym_Pause),
  10234. .media_type = ETH_PHY_NOT_PRESENT,
  10235. .ver_addr = 0,
  10236. .req_flow_ctrl = 0,
  10237. .req_line_speed = 0,
  10238. .speed_cap_mask = 0,
  10239. .req_duplex = 0,
  10240. .rsrv = 0,
  10241. .config_init = (config_init_t)bnx2x_8726_config_init,
  10242. .read_status = (read_status_t)bnx2x_8726_read_status,
  10243. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10244. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10245. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10246. .hw_reset = (hw_reset_t)NULL,
  10247. .set_link_led = (set_link_led_t)NULL,
  10248. .phy_specific_func = (phy_specific_func_t)NULL
  10249. };
  10250. static const struct bnx2x_phy phy_8727 = {
  10251. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10252. .addr = 0xff,
  10253. .def_md_devad = 0,
  10254. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10255. FLAGS_TX_ERROR_CHECK),
  10256. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10257. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10258. .mdio_ctrl = 0,
  10259. .supported = (SUPPORTED_10000baseT_Full |
  10260. SUPPORTED_1000baseT_Full |
  10261. SUPPORTED_FIBRE |
  10262. SUPPORTED_Pause |
  10263. SUPPORTED_Asym_Pause),
  10264. .media_type = ETH_PHY_NOT_PRESENT,
  10265. .ver_addr = 0,
  10266. .req_flow_ctrl = 0,
  10267. .req_line_speed = 0,
  10268. .speed_cap_mask = 0,
  10269. .req_duplex = 0,
  10270. .rsrv = 0,
  10271. .config_init = (config_init_t)bnx2x_8727_config_init,
  10272. .read_status = (read_status_t)bnx2x_8727_read_status,
  10273. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10274. .config_loopback = (config_loopback_t)NULL,
  10275. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10276. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10277. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10278. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10279. };
  10280. static const struct bnx2x_phy phy_8481 = {
  10281. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10282. .addr = 0xff,
  10283. .def_md_devad = 0,
  10284. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10285. FLAGS_REARM_LATCH_SIGNAL,
  10286. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10287. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10288. .mdio_ctrl = 0,
  10289. .supported = (SUPPORTED_10baseT_Half |
  10290. SUPPORTED_10baseT_Full |
  10291. SUPPORTED_100baseT_Half |
  10292. SUPPORTED_100baseT_Full |
  10293. SUPPORTED_1000baseT_Full |
  10294. SUPPORTED_10000baseT_Full |
  10295. SUPPORTED_TP |
  10296. SUPPORTED_Autoneg |
  10297. SUPPORTED_Pause |
  10298. SUPPORTED_Asym_Pause),
  10299. .media_type = ETH_PHY_BASE_T,
  10300. .ver_addr = 0,
  10301. .req_flow_ctrl = 0,
  10302. .req_line_speed = 0,
  10303. .speed_cap_mask = 0,
  10304. .req_duplex = 0,
  10305. .rsrv = 0,
  10306. .config_init = (config_init_t)bnx2x_8481_config_init,
  10307. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10308. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10309. .config_loopback = (config_loopback_t)NULL,
  10310. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10311. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10312. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10313. .phy_specific_func = (phy_specific_func_t)NULL
  10314. };
  10315. static const struct bnx2x_phy phy_84823 = {
  10316. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10317. .addr = 0xff,
  10318. .def_md_devad = 0,
  10319. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10320. FLAGS_REARM_LATCH_SIGNAL |
  10321. FLAGS_TX_ERROR_CHECK),
  10322. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10323. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10324. .mdio_ctrl = 0,
  10325. .supported = (SUPPORTED_10baseT_Half |
  10326. SUPPORTED_10baseT_Full |
  10327. SUPPORTED_100baseT_Half |
  10328. SUPPORTED_100baseT_Full |
  10329. SUPPORTED_1000baseT_Full |
  10330. SUPPORTED_10000baseT_Full |
  10331. SUPPORTED_TP |
  10332. SUPPORTED_Autoneg |
  10333. SUPPORTED_Pause |
  10334. SUPPORTED_Asym_Pause),
  10335. .media_type = ETH_PHY_BASE_T,
  10336. .ver_addr = 0,
  10337. .req_flow_ctrl = 0,
  10338. .req_line_speed = 0,
  10339. .speed_cap_mask = 0,
  10340. .req_duplex = 0,
  10341. .rsrv = 0,
  10342. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10343. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10344. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10345. .config_loopback = (config_loopback_t)NULL,
  10346. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10347. .hw_reset = (hw_reset_t)NULL,
  10348. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10349. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10350. };
  10351. static const struct bnx2x_phy phy_84833 = {
  10352. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10353. .addr = 0xff,
  10354. .def_md_devad = 0,
  10355. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10356. FLAGS_REARM_LATCH_SIGNAL |
  10357. FLAGS_TX_ERROR_CHECK),
  10358. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10359. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10360. .mdio_ctrl = 0,
  10361. .supported = (SUPPORTED_100baseT_Half |
  10362. SUPPORTED_100baseT_Full |
  10363. SUPPORTED_1000baseT_Full |
  10364. SUPPORTED_10000baseT_Full |
  10365. SUPPORTED_TP |
  10366. SUPPORTED_Autoneg |
  10367. SUPPORTED_Pause |
  10368. SUPPORTED_Asym_Pause),
  10369. .media_type = ETH_PHY_BASE_T,
  10370. .ver_addr = 0,
  10371. .req_flow_ctrl = 0,
  10372. .req_line_speed = 0,
  10373. .speed_cap_mask = 0,
  10374. .req_duplex = 0,
  10375. .rsrv = 0,
  10376. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10377. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10378. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10379. .config_loopback = (config_loopback_t)NULL,
  10380. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10381. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10382. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10383. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10384. };
  10385. static const struct bnx2x_phy phy_84834 = {
  10386. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10387. .addr = 0xff,
  10388. .def_md_devad = 0,
  10389. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10390. FLAGS_REARM_LATCH_SIGNAL,
  10391. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10392. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10393. .mdio_ctrl = 0,
  10394. .supported = (SUPPORTED_100baseT_Half |
  10395. SUPPORTED_100baseT_Full |
  10396. SUPPORTED_1000baseT_Full |
  10397. SUPPORTED_10000baseT_Full |
  10398. SUPPORTED_TP |
  10399. SUPPORTED_Autoneg |
  10400. SUPPORTED_Pause |
  10401. SUPPORTED_Asym_Pause),
  10402. .media_type = ETH_PHY_BASE_T,
  10403. .ver_addr = 0,
  10404. .req_flow_ctrl = 0,
  10405. .req_line_speed = 0,
  10406. .speed_cap_mask = 0,
  10407. .req_duplex = 0,
  10408. .rsrv = 0,
  10409. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10410. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10411. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10412. .config_loopback = (config_loopback_t)NULL,
  10413. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10414. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10415. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10416. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10417. };
  10418. static const struct bnx2x_phy phy_54618se = {
  10419. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10420. .addr = 0xff,
  10421. .def_md_devad = 0,
  10422. .flags = FLAGS_INIT_XGXS_FIRST,
  10423. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10424. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10425. .mdio_ctrl = 0,
  10426. .supported = (SUPPORTED_10baseT_Half |
  10427. SUPPORTED_10baseT_Full |
  10428. SUPPORTED_100baseT_Half |
  10429. SUPPORTED_100baseT_Full |
  10430. SUPPORTED_1000baseT_Full |
  10431. SUPPORTED_TP |
  10432. SUPPORTED_Autoneg |
  10433. SUPPORTED_Pause |
  10434. SUPPORTED_Asym_Pause),
  10435. .media_type = ETH_PHY_BASE_T,
  10436. .ver_addr = 0,
  10437. .req_flow_ctrl = 0,
  10438. .req_line_speed = 0,
  10439. .speed_cap_mask = 0,
  10440. /* req_duplex = */0,
  10441. /* rsrv = */0,
  10442. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10443. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10444. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10445. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10446. .format_fw_ver = (format_fw_ver_t)NULL,
  10447. .hw_reset = (hw_reset_t)NULL,
  10448. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10449. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10450. };
  10451. /*****************************************************************/
  10452. /* */
  10453. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10454. /* */
  10455. /*****************************************************************/
  10456. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10457. struct bnx2x_phy *phy, u8 port,
  10458. u8 phy_index)
  10459. {
  10460. /* Get the 4 lanes xgxs config rx and tx */
  10461. u32 rx = 0, tx = 0, i;
  10462. for (i = 0; i < 2; i++) {
  10463. /* INT_PHY and EXT_PHY1 share the same value location in
  10464. * the shmem. When num_phys is greater than 1, than this value
  10465. * applies only to EXT_PHY1
  10466. */
  10467. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10468. rx = REG_RD(bp, shmem_base +
  10469. offsetof(struct shmem_region,
  10470. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10471. tx = REG_RD(bp, shmem_base +
  10472. offsetof(struct shmem_region,
  10473. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10474. } else {
  10475. rx = REG_RD(bp, shmem_base +
  10476. offsetof(struct shmem_region,
  10477. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10478. tx = REG_RD(bp, shmem_base +
  10479. offsetof(struct shmem_region,
  10480. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10481. }
  10482. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10483. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10484. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10485. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10486. }
  10487. }
  10488. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10489. u8 phy_index, u8 port)
  10490. {
  10491. u32 ext_phy_config = 0;
  10492. switch (phy_index) {
  10493. case EXT_PHY1:
  10494. ext_phy_config = REG_RD(bp, shmem_base +
  10495. offsetof(struct shmem_region,
  10496. dev_info.port_hw_config[port].external_phy_config));
  10497. break;
  10498. case EXT_PHY2:
  10499. ext_phy_config = REG_RD(bp, shmem_base +
  10500. offsetof(struct shmem_region,
  10501. dev_info.port_hw_config[port].external_phy_config2));
  10502. break;
  10503. default:
  10504. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10505. return -EINVAL;
  10506. }
  10507. return ext_phy_config;
  10508. }
  10509. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10510. struct bnx2x_phy *phy)
  10511. {
  10512. u32 phy_addr;
  10513. u32 chip_id;
  10514. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10515. offsetof(struct shmem_region,
  10516. dev_info.port_feature_config[port].link_config)) &
  10517. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10518. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10519. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10520. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10521. if (USES_WARPCORE(bp)) {
  10522. u32 serdes_net_if;
  10523. phy_addr = REG_RD(bp,
  10524. MISC_REG_WC0_CTRL_PHY_ADDR);
  10525. *phy = phy_warpcore;
  10526. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10527. phy->flags |= FLAGS_4_PORT_MODE;
  10528. else
  10529. phy->flags &= ~FLAGS_4_PORT_MODE;
  10530. /* Check Dual mode */
  10531. serdes_net_if = (REG_RD(bp, shmem_base +
  10532. offsetof(struct shmem_region, dev_info.
  10533. port_hw_config[port].default_cfg)) &
  10534. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10535. /* Set the appropriate supported and flags indications per
  10536. * interface type of the chip
  10537. */
  10538. switch (serdes_net_if) {
  10539. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10540. phy->supported &= (SUPPORTED_10baseT_Half |
  10541. SUPPORTED_10baseT_Full |
  10542. SUPPORTED_100baseT_Half |
  10543. SUPPORTED_100baseT_Full |
  10544. SUPPORTED_1000baseT_Full |
  10545. SUPPORTED_FIBRE |
  10546. SUPPORTED_Autoneg |
  10547. SUPPORTED_Pause |
  10548. SUPPORTED_Asym_Pause);
  10549. phy->media_type = ETH_PHY_BASE_T;
  10550. break;
  10551. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10552. phy->supported &= (SUPPORTED_1000baseT_Full |
  10553. SUPPORTED_10000baseT_Full |
  10554. SUPPORTED_FIBRE |
  10555. SUPPORTED_Pause |
  10556. SUPPORTED_Asym_Pause);
  10557. phy->media_type = ETH_PHY_XFP_FIBER;
  10558. break;
  10559. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10560. phy->supported &= (SUPPORTED_1000baseT_Full |
  10561. SUPPORTED_10000baseT_Full |
  10562. SUPPORTED_FIBRE |
  10563. SUPPORTED_Pause |
  10564. SUPPORTED_Asym_Pause);
  10565. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10566. break;
  10567. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10568. phy->media_type = ETH_PHY_KR;
  10569. phy->supported &= (SUPPORTED_1000baseT_Full |
  10570. SUPPORTED_10000baseT_Full |
  10571. SUPPORTED_FIBRE |
  10572. SUPPORTED_Autoneg |
  10573. SUPPORTED_Pause |
  10574. SUPPORTED_Asym_Pause);
  10575. break;
  10576. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10577. phy->media_type = ETH_PHY_KR;
  10578. phy->flags |= FLAGS_WC_DUAL_MODE;
  10579. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10580. SUPPORTED_FIBRE |
  10581. SUPPORTED_Pause |
  10582. SUPPORTED_Asym_Pause);
  10583. break;
  10584. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10585. phy->media_type = ETH_PHY_KR;
  10586. phy->flags |= FLAGS_WC_DUAL_MODE;
  10587. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10588. SUPPORTED_10000baseT_Full |
  10589. SUPPORTED_1000baseT_Full |
  10590. SUPPORTED_Autoneg |
  10591. SUPPORTED_FIBRE |
  10592. SUPPORTED_Pause |
  10593. SUPPORTED_Asym_Pause);
  10594. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10595. break;
  10596. default:
  10597. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10598. serdes_net_if);
  10599. break;
  10600. }
  10601. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10602. * was not set as expected. For B0, ECO will be enabled so there
  10603. * won't be an issue there
  10604. */
  10605. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10606. phy->flags |= FLAGS_MDC_MDIO_WA;
  10607. else
  10608. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10609. } else {
  10610. switch (switch_cfg) {
  10611. case SWITCH_CFG_1G:
  10612. phy_addr = REG_RD(bp,
  10613. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10614. port * 0x10);
  10615. *phy = phy_serdes;
  10616. break;
  10617. case SWITCH_CFG_10G:
  10618. phy_addr = REG_RD(bp,
  10619. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10620. port * 0x18);
  10621. *phy = phy_xgxs;
  10622. break;
  10623. default:
  10624. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10625. return -EINVAL;
  10626. }
  10627. }
  10628. phy->addr = (u8)phy_addr;
  10629. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10630. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10631. port);
  10632. if (CHIP_IS_E2(bp))
  10633. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10634. else
  10635. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10636. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10637. port, phy->addr, phy->mdio_ctrl);
  10638. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10639. return 0;
  10640. }
  10641. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10642. u8 phy_index,
  10643. u32 shmem_base,
  10644. u32 shmem2_base,
  10645. u8 port,
  10646. struct bnx2x_phy *phy)
  10647. {
  10648. u32 ext_phy_config, phy_type, config2;
  10649. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10650. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10651. phy_index, port);
  10652. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10653. /* Select the phy type */
  10654. switch (phy_type) {
  10655. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10656. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10657. *phy = phy_8073;
  10658. break;
  10659. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10660. *phy = phy_8705;
  10661. break;
  10662. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10663. *phy = phy_8706;
  10664. break;
  10665. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10666. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10667. *phy = phy_8726;
  10668. break;
  10669. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10670. /* BCM8727_NOC => BCM8727 no over current */
  10671. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10672. *phy = phy_8727;
  10673. phy->flags |= FLAGS_NOC;
  10674. break;
  10675. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10676. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10677. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10678. *phy = phy_8727;
  10679. break;
  10680. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10681. *phy = phy_8481;
  10682. break;
  10683. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10684. *phy = phy_84823;
  10685. break;
  10686. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10687. *phy = phy_84833;
  10688. break;
  10689. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10690. *phy = phy_84834;
  10691. break;
  10692. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10693. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10694. *phy = phy_54618se;
  10695. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10696. phy->flags |= FLAGS_EEE;
  10697. break;
  10698. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10699. *phy = phy_7101;
  10700. break;
  10701. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10702. *phy = phy_null;
  10703. return -EINVAL;
  10704. default:
  10705. *phy = phy_null;
  10706. /* In case external PHY wasn't found */
  10707. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10708. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10709. return -EINVAL;
  10710. return 0;
  10711. }
  10712. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10713. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10714. /* The shmem address of the phy version is located on different
  10715. * structures. In case this structure is too old, do not set
  10716. * the address
  10717. */
  10718. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10719. dev_info.shared_hw_config.config2));
  10720. if (phy_index == EXT_PHY1) {
  10721. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10722. port_mb[port].ext_phy_fw_version);
  10723. /* Check specific mdc mdio settings */
  10724. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10725. mdc_mdio_access = config2 &
  10726. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10727. } else {
  10728. u32 size = REG_RD(bp, shmem2_base);
  10729. if (size >
  10730. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10731. phy->ver_addr = shmem2_base +
  10732. offsetof(struct shmem2_region,
  10733. ext_phy_fw_version2[port]);
  10734. }
  10735. /* Check specific mdc mdio settings */
  10736. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10737. mdc_mdio_access = (config2 &
  10738. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10739. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10740. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10741. }
  10742. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10743. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10744. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10745. (phy->ver_addr)) {
  10746. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10747. * version lower than or equal to 1.39
  10748. */
  10749. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10750. if (((raw_ver & 0x7F) <= 39) &&
  10751. (((raw_ver & 0xF80) >> 7) <= 1))
  10752. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10753. SUPPORTED_100baseT_Full);
  10754. }
  10755. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10756. phy_type, port, phy_index);
  10757. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10758. phy->addr, phy->mdio_ctrl);
  10759. return 0;
  10760. }
  10761. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10762. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10763. {
  10764. int status = 0;
  10765. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10766. if (phy_index == INT_PHY)
  10767. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10768. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10769. port, phy);
  10770. return status;
  10771. }
  10772. static void bnx2x_phy_def_cfg(struct link_params *params,
  10773. struct bnx2x_phy *phy,
  10774. u8 phy_index)
  10775. {
  10776. struct bnx2x *bp = params->bp;
  10777. u32 link_config;
  10778. /* Populate the default phy configuration for MF mode */
  10779. if (phy_index == EXT_PHY2) {
  10780. link_config = REG_RD(bp, params->shmem_base +
  10781. offsetof(struct shmem_region, dev_info.
  10782. port_feature_config[params->port].link_config2));
  10783. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10784. offsetof(struct shmem_region,
  10785. dev_info.
  10786. port_hw_config[params->port].speed_capability_mask2));
  10787. } else {
  10788. link_config = REG_RD(bp, params->shmem_base +
  10789. offsetof(struct shmem_region, dev_info.
  10790. port_feature_config[params->port].link_config));
  10791. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10792. offsetof(struct shmem_region,
  10793. dev_info.
  10794. port_hw_config[params->port].speed_capability_mask));
  10795. }
  10796. DP(NETIF_MSG_LINK,
  10797. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10798. phy_index, link_config, phy->speed_cap_mask);
  10799. phy->req_duplex = DUPLEX_FULL;
  10800. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10801. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10802. phy->req_duplex = DUPLEX_HALF;
  10803. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10804. phy->req_line_speed = SPEED_10;
  10805. break;
  10806. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10807. phy->req_duplex = DUPLEX_HALF;
  10808. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10809. phy->req_line_speed = SPEED_100;
  10810. break;
  10811. case PORT_FEATURE_LINK_SPEED_1G:
  10812. phy->req_line_speed = SPEED_1000;
  10813. break;
  10814. case PORT_FEATURE_LINK_SPEED_2_5G:
  10815. phy->req_line_speed = SPEED_2500;
  10816. break;
  10817. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10818. phy->req_line_speed = SPEED_10000;
  10819. break;
  10820. default:
  10821. phy->req_line_speed = SPEED_AUTO_NEG;
  10822. break;
  10823. }
  10824. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10825. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10826. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10827. break;
  10828. case PORT_FEATURE_FLOW_CONTROL_TX:
  10829. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10830. break;
  10831. case PORT_FEATURE_FLOW_CONTROL_RX:
  10832. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10833. break;
  10834. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10835. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10836. break;
  10837. default:
  10838. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10839. break;
  10840. }
  10841. }
  10842. u32 bnx2x_phy_selection(struct link_params *params)
  10843. {
  10844. u32 phy_config_swapped, prio_cfg;
  10845. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10846. phy_config_swapped = params->multi_phy_config &
  10847. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10848. prio_cfg = params->multi_phy_config &
  10849. PORT_HW_CFG_PHY_SELECTION_MASK;
  10850. if (phy_config_swapped) {
  10851. switch (prio_cfg) {
  10852. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10853. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10854. break;
  10855. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10856. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10857. break;
  10858. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10859. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10860. break;
  10861. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10862. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10863. break;
  10864. }
  10865. } else
  10866. return_cfg = prio_cfg;
  10867. return return_cfg;
  10868. }
  10869. int bnx2x_phy_probe(struct link_params *params)
  10870. {
  10871. u8 phy_index, actual_phy_idx;
  10872. u32 phy_config_swapped, sync_offset, media_types;
  10873. struct bnx2x *bp = params->bp;
  10874. struct bnx2x_phy *phy;
  10875. params->num_phys = 0;
  10876. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10877. phy_config_swapped = params->multi_phy_config &
  10878. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10879. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10880. phy_index++) {
  10881. actual_phy_idx = phy_index;
  10882. if (phy_config_swapped) {
  10883. if (phy_index == EXT_PHY1)
  10884. actual_phy_idx = EXT_PHY2;
  10885. else if (phy_index == EXT_PHY2)
  10886. actual_phy_idx = EXT_PHY1;
  10887. }
  10888. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10889. " actual_phy_idx %x\n", phy_config_swapped,
  10890. phy_index, actual_phy_idx);
  10891. phy = &params->phy[actual_phy_idx];
  10892. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10893. params->shmem2_base, params->port,
  10894. phy) != 0) {
  10895. params->num_phys = 0;
  10896. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10897. phy_index);
  10898. for (phy_index = INT_PHY;
  10899. phy_index < MAX_PHYS;
  10900. phy_index++)
  10901. *phy = phy_null;
  10902. return -EINVAL;
  10903. }
  10904. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10905. break;
  10906. if (params->feature_config_flags &
  10907. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10908. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10909. if (!(params->feature_config_flags &
  10910. FEATURE_CONFIG_MT_SUPPORT))
  10911. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10912. sync_offset = params->shmem_base +
  10913. offsetof(struct shmem_region,
  10914. dev_info.port_hw_config[params->port].media_type);
  10915. media_types = REG_RD(bp, sync_offset);
  10916. /* Update media type for non-PMF sync only for the first time
  10917. * In case the media type changes afterwards, it will be updated
  10918. * using the update_status function
  10919. */
  10920. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10921. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10922. actual_phy_idx))) == 0) {
  10923. media_types |= ((phy->media_type &
  10924. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10925. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10926. actual_phy_idx));
  10927. }
  10928. REG_WR(bp, sync_offset, media_types);
  10929. bnx2x_phy_def_cfg(params, phy, phy_index);
  10930. params->num_phys++;
  10931. }
  10932. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10933. return 0;
  10934. }
  10935. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10936. struct link_vars *vars)
  10937. {
  10938. struct bnx2x *bp = params->bp;
  10939. vars->link_up = 1;
  10940. vars->line_speed = SPEED_10000;
  10941. vars->duplex = DUPLEX_FULL;
  10942. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10943. vars->mac_type = MAC_TYPE_BMAC;
  10944. vars->phy_flags = PHY_XGXS_FLAG;
  10945. bnx2x_xgxs_deassert(params);
  10946. /* Set bmac loopback */
  10947. bnx2x_bmac_enable(params, vars, 1, 1);
  10948. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10949. }
  10950. static void bnx2x_init_emac_loopback(struct link_params *params,
  10951. struct link_vars *vars)
  10952. {
  10953. struct bnx2x *bp = params->bp;
  10954. vars->link_up = 1;
  10955. vars->line_speed = SPEED_1000;
  10956. vars->duplex = DUPLEX_FULL;
  10957. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10958. vars->mac_type = MAC_TYPE_EMAC;
  10959. vars->phy_flags = PHY_XGXS_FLAG;
  10960. bnx2x_xgxs_deassert(params);
  10961. /* Set bmac loopback */
  10962. bnx2x_emac_enable(params, vars, 1);
  10963. bnx2x_emac_program(params, vars);
  10964. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10965. }
  10966. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10967. struct link_vars *vars)
  10968. {
  10969. struct bnx2x *bp = params->bp;
  10970. vars->link_up = 1;
  10971. if (!params->req_line_speed[0])
  10972. vars->line_speed = SPEED_10000;
  10973. else
  10974. vars->line_speed = params->req_line_speed[0];
  10975. vars->duplex = DUPLEX_FULL;
  10976. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10977. vars->mac_type = MAC_TYPE_XMAC;
  10978. vars->phy_flags = PHY_XGXS_FLAG;
  10979. /* Set WC to loopback mode since link is required to provide clock
  10980. * to the XMAC in 20G mode
  10981. */
  10982. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10983. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10984. params->phy[INT_PHY].config_loopback(
  10985. &params->phy[INT_PHY],
  10986. params);
  10987. bnx2x_xmac_enable(params, vars, 1);
  10988. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10989. }
  10990. static void bnx2x_init_umac_loopback(struct link_params *params,
  10991. struct link_vars *vars)
  10992. {
  10993. struct bnx2x *bp = params->bp;
  10994. vars->link_up = 1;
  10995. vars->line_speed = SPEED_1000;
  10996. vars->duplex = DUPLEX_FULL;
  10997. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10998. vars->mac_type = MAC_TYPE_UMAC;
  10999. vars->phy_flags = PHY_XGXS_FLAG;
  11000. bnx2x_umac_enable(params, vars, 1);
  11001. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11002. }
  11003. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11004. struct link_vars *vars)
  11005. {
  11006. struct bnx2x *bp = params->bp;
  11007. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11008. vars->link_up = 1;
  11009. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11010. vars->duplex = DUPLEX_FULL;
  11011. if (params->req_line_speed[0] == SPEED_1000)
  11012. vars->line_speed = SPEED_1000;
  11013. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11014. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11015. vars->line_speed = SPEED_20000;
  11016. else
  11017. vars->line_speed = SPEED_10000;
  11018. if (!USES_WARPCORE(bp))
  11019. bnx2x_xgxs_deassert(params);
  11020. bnx2x_link_initialize(params, vars);
  11021. if (params->req_line_speed[0] == SPEED_1000) {
  11022. if (USES_WARPCORE(bp))
  11023. bnx2x_umac_enable(params, vars, 0);
  11024. else {
  11025. bnx2x_emac_program(params, vars);
  11026. bnx2x_emac_enable(params, vars, 0);
  11027. }
  11028. } else {
  11029. if (USES_WARPCORE(bp))
  11030. bnx2x_xmac_enable(params, vars, 0);
  11031. else
  11032. bnx2x_bmac_enable(params, vars, 0, 1);
  11033. }
  11034. if (params->loopback_mode == LOOPBACK_XGXS) {
  11035. /* Set 10G XGXS loopback */
  11036. int_phy->config_loopback(int_phy, params);
  11037. } else {
  11038. /* Set external phy loopback */
  11039. u8 phy_index;
  11040. for (phy_index = EXT_PHY1;
  11041. phy_index < params->num_phys; phy_index++)
  11042. if (params->phy[phy_index].config_loopback)
  11043. params->phy[phy_index].config_loopback(
  11044. &params->phy[phy_index],
  11045. params);
  11046. }
  11047. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11048. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11049. }
  11050. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11051. {
  11052. struct bnx2x *bp = params->bp;
  11053. u8 val = en * 0x1F;
  11054. /* Open / close the gate between the NIG and the BRB */
  11055. if (!CHIP_IS_E1x(bp))
  11056. val |= en * 0x20;
  11057. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11058. if (!CHIP_IS_E1(bp)) {
  11059. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11060. en*0x3);
  11061. }
  11062. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11063. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11064. }
  11065. static int bnx2x_avoid_link_flap(struct link_params *params,
  11066. struct link_vars *vars)
  11067. {
  11068. u32 phy_idx;
  11069. u32 dont_clear_stat, lfa_sts;
  11070. struct bnx2x *bp = params->bp;
  11071. /* Sync the link parameters */
  11072. bnx2x_link_status_update(params, vars);
  11073. /*
  11074. * The module verification was already done by previous link owner,
  11075. * so this call is meant only to get warning message
  11076. */
  11077. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11078. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11079. if (phy->phy_specific_func) {
  11080. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11081. phy->phy_specific_func(phy, params, PHY_INIT);
  11082. }
  11083. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11084. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11085. (phy->media_type == ETH_PHY_DA_TWINAX))
  11086. bnx2x_verify_sfp_module(phy, params);
  11087. }
  11088. lfa_sts = REG_RD(bp, params->lfa_base +
  11089. offsetof(struct shmem_lfa,
  11090. lfa_sts));
  11091. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11092. /* Re-enable the NIG/MAC */
  11093. if (CHIP_IS_E3(bp)) {
  11094. if (!dont_clear_stat) {
  11095. REG_WR(bp, GRCBASE_MISC +
  11096. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11097. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11098. params->port));
  11099. REG_WR(bp, GRCBASE_MISC +
  11100. MISC_REGISTERS_RESET_REG_2_SET,
  11101. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11102. params->port));
  11103. }
  11104. if (vars->line_speed < SPEED_10000)
  11105. bnx2x_umac_enable(params, vars, 0);
  11106. else
  11107. bnx2x_xmac_enable(params, vars, 0);
  11108. } else {
  11109. if (vars->line_speed < SPEED_10000)
  11110. bnx2x_emac_enable(params, vars, 0);
  11111. else
  11112. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11113. }
  11114. /* Increment LFA count */
  11115. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11116. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11117. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11118. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11119. /* Clear link flap reason */
  11120. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11121. REG_WR(bp, params->lfa_base +
  11122. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11123. /* Disable NIG DRAIN */
  11124. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11125. /* Enable interrupts */
  11126. bnx2x_link_int_enable(params);
  11127. return 0;
  11128. }
  11129. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11130. struct link_vars *vars,
  11131. int lfa_status)
  11132. {
  11133. u32 lfa_sts, cfg_idx, tmp_val;
  11134. struct bnx2x *bp = params->bp;
  11135. bnx2x_link_reset(params, vars, 1);
  11136. if (!params->lfa_base)
  11137. return;
  11138. /* Store the new link parameters */
  11139. REG_WR(bp, params->lfa_base +
  11140. offsetof(struct shmem_lfa, req_duplex),
  11141. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11142. REG_WR(bp, params->lfa_base +
  11143. offsetof(struct shmem_lfa, req_flow_ctrl),
  11144. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11145. REG_WR(bp, params->lfa_base +
  11146. offsetof(struct shmem_lfa, req_line_speed),
  11147. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11148. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11149. REG_WR(bp, params->lfa_base +
  11150. offsetof(struct shmem_lfa,
  11151. speed_cap_mask[cfg_idx]),
  11152. params->speed_cap_mask[cfg_idx]);
  11153. }
  11154. tmp_val = REG_RD(bp, params->lfa_base +
  11155. offsetof(struct shmem_lfa, additional_config));
  11156. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11157. tmp_val |= params->req_fc_auto_adv;
  11158. REG_WR(bp, params->lfa_base +
  11159. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11160. lfa_sts = REG_RD(bp, params->lfa_base +
  11161. offsetof(struct shmem_lfa, lfa_sts));
  11162. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11163. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11164. /* Set link flap reason */
  11165. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11166. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11167. LFA_LINK_FLAP_REASON_OFFSET);
  11168. /* Increment link flap counter */
  11169. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11170. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11171. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11172. << LINK_FLAP_COUNT_OFFSET));
  11173. REG_WR(bp, params->lfa_base +
  11174. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11175. /* Proceed with regular link initialization */
  11176. }
  11177. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11178. {
  11179. int lfa_status;
  11180. struct bnx2x *bp = params->bp;
  11181. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11182. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11183. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11184. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11185. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11186. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11187. vars->link_status = 0;
  11188. vars->phy_link_up = 0;
  11189. vars->link_up = 0;
  11190. vars->line_speed = 0;
  11191. vars->duplex = DUPLEX_FULL;
  11192. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11193. vars->mac_type = MAC_TYPE_NONE;
  11194. vars->phy_flags = 0;
  11195. vars->check_kr2_recovery_cnt = 0;
  11196. params->link_flags = PHY_INITIALIZED;
  11197. /* Driver opens NIG-BRB filters */
  11198. bnx2x_set_rx_filter(params, 1);
  11199. /* Check if link flap can be avoided */
  11200. lfa_status = bnx2x_check_lfa(params);
  11201. if (lfa_status == 0) {
  11202. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11203. return bnx2x_avoid_link_flap(params, vars);
  11204. }
  11205. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11206. lfa_status);
  11207. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11208. /* Disable attentions */
  11209. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11210. (NIG_MASK_XGXS0_LINK_STATUS |
  11211. NIG_MASK_XGXS0_LINK10G |
  11212. NIG_MASK_SERDES0_LINK_STATUS |
  11213. NIG_MASK_MI_INT));
  11214. bnx2x_emac_init(params, vars);
  11215. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11216. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11217. if (params->num_phys == 0) {
  11218. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11219. return -EINVAL;
  11220. }
  11221. set_phy_vars(params, vars);
  11222. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11223. switch (params->loopback_mode) {
  11224. case LOOPBACK_BMAC:
  11225. bnx2x_init_bmac_loopback(params, vars);
  11226. break;
  11227. case LOOPBACK_EMAC:
  11228. bnx2x_init_emac_loopback(params, vars);
  11229. break;
  11230. case LOOPBACK_XMAC:
  11231. bnx2x_init_xmac_loopback(params, vars);
  11232. break;
  11233. case LOOPBACK_UMAC:
  11234. bnx2x_init_umac_loopback(params, vars);
  11235. break;
  11236. case LOOPBACK_XGXS:
  11237. case LOOPBACK_EXT_PHY:
  11238. bnx2x_init_xgxs_loopback(params, vars);
  11239. break;
  11240. default:
  11241. if (!CHIP_IS_E3(bp)) {
  11242. if (params->switch_cfg == SWITCH_CFG_10G)
  11243. bnx2x_xgxs_deassert(params);
  11244. else
  11245. bnx2x_serdes_deassert(bp, params->port);
  11246. }
  11247. bnx2x_link_initialize(params, vars);
  11248. msleep(30);
  11249. bnx2x_link_int_enable(params);
  11250. break;
  11251. }
  11252. bnx2x_update_mng(params, vars->link_status);
  11253. bnx2x_update_mng_eee(params, vars->eee_status);
  11254. return 0;
  11255. }
  11256. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11257. u8 reset_ext_phy)
  11258. {
  11259. struct bnx2x *bp = params->bp;
  11260. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11261. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11262. /* Disable attentions */
  11263. vars->link_status = 0;
  11264. bnx2x_update_mng(params, vars->link_status);
  11265. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11266. SHMEM_EEE_ACTIVE_BIT);
  11267. bnx2x_update_mng_eee(params, vars->eee_status);
  11268. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11269. (NIG_MASK_XGXS0_LINK_STATUS |
  11270. NIG_MASK_XGXS0_LINK10G |
  11271. NIG_MASK_SERDES0_LINK_STATUS |
  11272. NIG_MASK_MI_INT));
  11273. /* Activate nig drain */
  11274. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11275. /* Disable nig egress interface */
  11276. if (!CHIP_IS_E3(bp)) {
  11277. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11278. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11279. }
  11280. if (!CHIP_IS_E3(bp)) {
  11281. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11282. } else {
  11283. bnx2x_set_xmac_rxtx(params, 0);
  11284. bnx2x_set_umac_rxtx(params, 0);
  11285. }
  11286. /* Disable emac */
  11287. if (!CHIP_IS_E3(bp))
  11288. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11289. usleep_range(10000, 20000);
  11290. /* The PHY reset is controlled by GPIO 1
  11291. * Hold it as vars low
  11292. */
  11293. /* Clear link led */
  11294. bnx2x_set_mdio_emac_per_phy(bp, params);
  11295. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11296. if (reset_ext_phy) {
  11297. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11298. phy_index++) {
  11299. if (params->phy[phy_index].link_reset) {
  11300. bnx2x_set_aer_mmd(params,
  11301. &params->phy[phy_index]);
  11302. params->phy[phy_index].link_reset(
  11303. &params->phy[phy_index],
  11304. params);
  11305. }
  11306. if (params->phy[phy_index].flags &
  11307. FLAGS_REARM_LATCH_SIGNAL)
  11308. clear_latch_ind = 1;
  11309. }
  11310. }
  11311. if (clear_latch_ind) {
  11312. /* Clear latching indication */
  11313. bnx2x_rearm_latch_signal(bp, port, 0);
  11314. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11315. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11316. }
  11317. if (params->phy[INT_PHY].link_reset)
  11318. params->phy[INT_PHY].link_reset(
  11319. &params->phy[INT_PHY], params);
  11320. /* Disable nig ingress interface */
  11321. if (!CHIP_IS_E3(bp)) {
  11322. /* Reset BigMac */
  11323. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11324. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11325. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11326. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11327. } else {
  11328. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11329. bnx2x_set_xumac_nig(params, 0, 0);
  11330. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11331. MISC_REGISTERS_RESET_REG_2_XMAC)
  11332. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11333. XMAC_CTRL_REG_SOFT_RESET);
  11334. }
  11335. vars->link_up = 0;
  11336. vars->phy_flags = 0;
  11337. return 0;
  11338. }
  11339. int bnx2x_lfa_reset(struct link_params *params,
  11340. struct link_vars *vars)
  11341. {
  11342. struct bnx2x *bp = params->bp;
  11343. vars->link_up = 0;
  11344. vars->phy_flags = 0;
  11345. params->link_flags &= ~PHY_INITIALIZED;
  11346. if (!params->lfa_base)
  11347. return bnx2x_link_reset(params, vars, 1);
  11348. /*
  11349. * Activate NIG drain so that during this time the device won't send
  11350. * anything while it is unable to response.
  11351. */
  11352. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11353. /*
  11354. * Close gracefully the gate from BMAC to NIG such that no half packets
  11355. * are passed.
  11356. */
  11357. if (!CHIP_IS_E3(bp))
  11358. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11359. if (CHIP_IS_E3(bp)) {
  11360. bnx2x_set_xmac_rxtx(params, 0);
  11361. bnx2x_set_umac_rxtx(params, 0);
  11362. }
  11363. /* Wait 10ms for the pipe to clean up*/
  11364. usleep_range(10000, 20000);
  11365. /* Clean the NIG-BRB using the network filters in a way that will
  11366. * not cut a packet in the middle.
  11367. */
  11368. bnx2x_set_rx_filter(params, 0);
  11369. /*
  11370. * Re-open the gate between the BMAC and the NIG, after verifying the
  11371. * gate to the BRB is closed, otherwise packets may arrive to the
  11372. * firmware before driver had initialized it. The target is to achieve
  11373. * minimum management protocol down time.
  11374. */
  11375. if (!CHIP_IS_E3(bp))
  11376. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11377. if (CHIP_IS_E3(bp)) {
  11378. bnx2x_set_xmac_rxtx(params, 1);
  11379. bnx2x_set_umac_rxtx(params, 1);
  11380. }
  11381. /* Disable NIG drain */
  11382. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11383. return 0;
  11384. }
  11385. /****************************************************************************/
  11386. /* Common function */
  11387. /****************************************************************************/
  11388. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11389. u32 shmem_base_path[],
  11390. u32 shmem2_base_path[], u8 phy_index,
  11391. u32 chip_id)
  11392. {
  11393. struct bnx2x_phy phy[PORT_MAX];
  11394. struct bnx2x_phy *phy_blk[PORT_MAX];
  11395. u16 val;
  11396. s8 port = 0;
  11397. s8 port_of_path = 0;
  11398. u32 swap_val, swap_override;
  11399. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11400. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11401. port ^= (swap_val && swap_override);
  11402. bnx2x_ext_phy_hw_reset(bp, port);
  11403. /* PART1 - Reset both phys */
  11404. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11405. u32 shmem_base, shmem2_base;
  11406. /* In E2, same phy is using for port0 of the two paths */
  11407. if (CHIP_IS_E1x(bp)) {
  11408. shmem_base = shmem_base_path[0];
  11409. shmem2_base = shmem2_base_path[0];
  11410. port_of_path = port;
  11411. } else {
  11412. shmem_base = shmem_base_path[port];
  11413. shmem2_base = shmem2_base_path[port];
  11414. port_of_path = 0;
  11415. }
  11416. /* Extract the ext phy address for the port */
  11417. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11418. port_of_path, &phy[port]) !=
  11419. 0) {
  11420. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11421. return -EINVAL;
  11422. }
  11423. /* Disable attentions */
  11424. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11425. port_of_path*4,
  11426. (NIG_MASK_XGXS0_LINK_STATUS |
  11427. NIG_MASK_XGXS0_LINK10G |
  11428. NIG_MASK_SERDES0_LINK_STATUS |
  11429. NIG_MASK_MI_INT));
  11430. /* Need to take the phy out of low power mode in order
  11431. * to write to access its registers
  11432. */
  11433. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11434. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11435. port);
  11436. /* Reset the phy */
  11437. bnx2x_cl45_write(bp, &phy[port],
  11438. MDIO_PMA_DEVAD,
  11439. MDIO_PMA_REG_CTRL,
  11440. 1<<15);
  11441. }
  11442. /* Add delay of 150ms after reset */
  11443. msleep(150);
  11444. if (phy[PORT_0].addr & 0x1) {
  11445. phy_blk[PORT_0] = &(phy[PORT_1]);
  11446. phy_blk[PORT_1] = &(phy[PORT_0]);
  11447. } else {
  11448. phy_blk[PORT_0] = &(phy[PORT_0]);
  11449. phy_blk[PORT_1] = &(phy[PORT_1]);
  11450. }
  11451. /* PART2 - Download firmware to both phys */
  11452. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11453. if (CHIP_IS_E1x(bp))
  11454. port_of_path = port;
  11455. else
  11456. port_of_path = 0;
  11457. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11458. phy_blk[port]->addr);
  11459. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11460. port_of_path))
  11461. return -EINVAL;
  11462. /* Only set bit 10 = 1 (Tx power down) */
  11463. bnx2x_cl45_read(bp, phy_blk[port],
  11464. MDIO_PMA_DEVAD,
  11465. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11466. /* Phase1 of TX_POWER_DOWN reset */
  11467. bnx2x_cl45_write(bp, phy_blk[port],
  11468. MDIO_PMA_DEVAD,
  11469. MDIO_PMA_REG_TX_POWER_DOWN,
  11470. (val | 1<<10));
  11471. }
  11472. /* Toggle Transmitter: Power down and then up with 600ms delay
  11473. * between
  11474. */
  11475. msleep(600);
  11476. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11477. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11478. /* Phase2 of POWER_DOWN_RESET */
  11479. /* Release bit 10 (Release Tx power down) */
  11480. bnx2x_cl45_read(bp, phy_blk[port],
  11481. MDIO_PMA_DEVAD,
  11482. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11483. bnx2x_cl45_write(bp, phy_blk[port],
  11484. MDIO_PMA_DEVAD,
  11485. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11486. usleep_range(15000, 30000);
  11487. /* Read modify write the SPI-ROM version select register */
  11488. bnx2x_cl45_read(bp, phy_blk[port],
  11489. MDIO_PMA_DEVAD,
  11490. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11491. bnx2x_cl45_write(bp, phy_blk[port],
  11492. MDIO_PMA_DEVAD,
  11493. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11494. /* set GPIO2 back to LOW */
  11495. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11496. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11497. }
  11498. return 0;
  11499. }
  11500. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11501. u32 shmem_base_path[],
  11502. u32 shmem2_base_path[], u8 phy_index,
  11503. u32 chip_id)
  11504. {
  11505. u32 val;
  11506. s8 port;
  11507. struct bnx2x_phy phy;
  11508. /* Use port1 because of the static port-swap */
  11509. /* Enable the module detection interrupt */
  11510. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11511. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11512. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11513. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11514. bnx2x_ext_phy_hw_reset(bp, 0);
  11515. usleep_range(5000, 10000);
  11516. for (port = 0; port < PORT_MAX; port++) {
  11517. u32 shmem_base, shmem2_base;
  11518. /* In E2, same phy is using for port0 of the two paths */
  11519. if (CHIP_IS_E1x(bp)) {
  11520. shmem_base = shmem_base_path[0];
  11521. shmem2_base = shmem2_base_path[0];
  11522. } else {
  11523. shmem_base = shmem_base_path[port];
  11524. shmem2_base = shmem2_base_path[port];
  11525. }
  11526. /* Extract the ext phy address for the port */
  11527. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11528. port, &phy) !=
  11529. 0) {
  11530. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11531. return -EINVAL;
  11532. }
  11533. /* Reset phy*/
  11534. bnx2x_cl45_write(bp, &phy,
  11535. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11536. /* Set fault module detected LED on */
  11537. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11538. MISC_REGISTERS_GPIO_HIGH,
  11539. port);
  11540. }
  11541. return 0;
  11542. }
  11543. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11544. u8 *io_gpio, u8 *io_port)
  11545. {
  11546. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11547. offsetof(struct shmem_region,
  11548. dev_info.port_hw_config[PORT_0].default_cfg));
  11549. switch (phy_gpio_reset) {
  11550. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11551. *io_gpio = 0;
  11552. *io_port = 0;
  11553. break;
  11554. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11555. *io_gpio = 1;
  11556. *io_port = 0;
  11557. break;
  11558. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11559. *io_gpio = 2;
  11560. *io_port = 0;
  11561. break;
  11562. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11563. *io_gpio = 3;
  11564. *io_port = 0;
  11565. break;
  11566. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11567. *io_gpio = 0;
  11568. *io_port = 1;
  11569. break;
  11570. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11571. *io_gpio = 1;
  11572. *io_port = 1;
  11573. break;
  11574. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11575. *io_gpio = 2;
  11576. *io_port = 1;
  11577. break;
  11578. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11579. *io_gpio = 3;
  11580. *io_port = 1;
  11581. break;
  11582. default:
  11583. /* Don't override the io_gpio and io_port */
  11584. break;
  11585. }
  11586. }
  11587. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11588. u32 shmem_base_path[],
  11589. u32 shmem2_base_path[], u8 phy_index,
  11590. u32 chip_id)
  11591. {
  11592. s8 port, reset_gpio;
  11593. u32 swap_val, swap_override;
  11594. struct bnx2x_phy phy[PORT_MAX];
  11595. struct bnx2x_phy *phy_blk[PORT_MAX];
  11596. s8 port_of_path;
  11597. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11598. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11599. reset_gpio = MISC_REGISTERS_GPIO_1;
  11600. port = 1;
  11601. /* Retrieve the reset gpio/port which control the reset.
  11602. * Default is GPIO1, PORT1
  11603. */
  11604. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11605. (u8 *)&reset_gpio, (u8 *)&port);
  11606. /* Calculate the port based on port swap */
  11607. port ^= (swap_val && swap_override);
  11608. /* Initiate PHY reset*/
  11609. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11610. port);
  11611. usleep_range(1000, 2000);
  11612. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11613. port);
  11614. usleep_range(5000, 10000);
  11615. /* PART1 - Reset both phys */
  11616. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11617. u32 shmem_base, shmem2_base;
  11618. /* In E2, same phy is using for port0 of the two paths */
  11619. if (CHIP_IS_E1x(bp)) {
  11620. shmem_base = shmem_base_path[0];
  11621. shmem2_base = shmem2_base_path[0];
  11622. port_of_path = port;
  11623. } else {
  11624. shmem_base = shmem_base_path[port];
  11625. shmem2_base = shmem2_base_path[port];
  11626. port_of_path = 0;
  11627. }
  11628. /* Extract the ext phy address for the port */
  11629. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11630. port_of_path, &phy[port]) !=
  11631. 0) {
  11632. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11633. return -EINVAL;
  11634. }
  11635. /* disable attentions */
  11636. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11637. port_of_path*4,
  11638. (NIG_MASK_XGXS0_LINK_STATUS |
  11639. NIG_MASK_XGXS0_LINK10G |
  11640. NIG_MASK_SERDES0_LINK_STATUS |
  11641. NIG_MASK_MI_INT));
  11642. /* Reset the phy */
  11643. bnx2x_cl45_write(bp, &phy[port],
  11644. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11645. }
  11646. /* Add delay of 150ms after reset */
  11647. msleep(150);
  11648. if (phy[PORT_0].addr & 0x1) {
  11649. phy_blk[PORT_0] = &(phy[PORT_1]);
  11650. phy_blk[PORT_1] = &(phy[PORT_0]);
  11651. } else {
  11652. phy_blk[PORT_0] = &(phy[PORT_0]);
  11653. phy_blk[PORT_1] = &(phy[PORT_1]);
  11654. }
  11655. /* PART2 - Download firmware to both phys */
  11656. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11657. if (CHIP_IS_E1x(bp))
  11658. port_of_path = port;
  11659. else
  11660. port_of_path = 0;
  11661. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11662. phy_blk[port]->addr);
  11663. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11664. port_of_path))
  11665. return -EINVAL;
  11666. /* Disable PHY transmitter output */
  11667. bnx2x_cl45_write(bp, phy_blk[port],
  11668. MDIO_PMA_DEVAD,
  11669. MDIO_PMA_REG_TX_DISABLE, 1);
  11670. }
  11671. return 0;
  11672. }
  11673. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11674. u32 shmem_base_path[],
  11675. u32 shmem2_base_path[],
  11676. u8 phy_index,
  11677. u32 chip_id)
  11678. {
  11679. u8 reset_gpios;
  11680. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11681. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11682. udelay(10);
  11683. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11684. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11685. reset_gpios);
  11686. return 0;
  11687. }
  11688. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11689. u32 shmem2_base_path[], u8 phy_index,
  11690. u32 ext_phy_type, u32 chip_id)
  11691. {
  11692. int rc = 0;
  11693. switch (ext_phy_type) {
  11694. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11695. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11696. shmem2_base_path,
  11697. phy_index, chip_id);
  11698. break;
  11699. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11701. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11702. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11703. shmem2_base_path,
  11704. phy_index, chip_id);
  11705. break;
  11706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11707. /* GPIO1 affects both ports, so there's need to pull
  11708. * it for single port alone
  11709. */
  11710. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11711. shmem2_base_path,
  11712. phy_index, chip_id);
  11713. break;
  11714. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11715. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11716. /* GPIO3's are linked, and so both need to be toggled
  11717. * to obtain required 2us pulse.
  11718. */
  11719. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11720. shmem2_base_path,
  11721. phy_index, chip_id);
  11722. break;
  11723. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11724. rc = -EINVAL;
  11725. break;
  11726. default:
  11727. DP(NETIF_MSG_LINK,
  11728. "ext_phy 0x%x common init not required\n",
  11729. ext_phy_type);
  11730. break;
  11731. }
  11732. if (rc)
  11733. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11734. " Port %d\n",
  11735. 0);
  11736. return rc;
  11737. }
  11738. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11739. u32 shmem2_base_path[], u32 chip_id)
  11740. {
  11741. int rc = 0;
  11742. u32 phy_ver, val;
  11743. u8 phy_index = 0;
  11744. u32 ext_phy_type, ext_phy_config;
  11745. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11746. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11747. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11748. if (CHIP_IS_E3(bp)) {
  11749. /* Enable EPIO */
  11750. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11751. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11752. }
  11753. /* Check if common init was already done */
  11754. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11755. offsetof(struct shmem_region,
  11756. port_mb[PORT_0].ext_phy_fw_version));
  11757. if (phy_ver) {
  11758. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11759. phy_ver);
  11760. return 0;
  11761. }
  11762. /* Read the ext_phy_type for arbitrary port(0) */
  11763. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11764. phy_index++) {
  11765. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11766. shmem_base_path[0],
  11767. phy_index, 0);
  11768. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11769. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11770. shmem2_base_path,
  11771. phy_index, ext_phy_type,
  11772. chip_id);
  11773. }
  11774. return rc;
  11775. }
  11776. static void bnx2x_check_over_curr(struct link_params *params,
  11777. struct link_vars *vars)
  11778. {
  11779. struct bnx2x *bp = params->bp;
  11780. u32 cfg_pin;
  11781. u8 port = params->port;
  11782. u32 pin_val;
  11783. cfg_pin = (REG_RD(bp, params->shmem_base +
  11784. offsetof(struct shmem_region,
  11785. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11786. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11787. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11788. /* Ignore check if no external input PIN available */
  11789. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11790. return;
  11791. if (!pin_val) {
  11792. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11793. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11794. " been detected and the power to "
  11795. "that SFP+ module has been removed"
  11796. " to prevent failure of the card."
  11797. " Please remove the SFP+ module and"
  11798. " restart the system to clear this"
  11799. " error.\n",
  11800. params->port);
  11801. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11802. bnx2x_warpcore_power_module(params, 0);
  11803. }
  11804. } else
  11805. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11806. }
  11807. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11808. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11809. struct link_vars *vars, u32 status,
  11810. u32 phy_flag, u32 link_flag, u8 notify)
  11811. {
  11812. struct bnx2x *bp = params->bp;
  11813. /* Compare new value with previous value */
  11814. u8 led_mode;
  11815. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11816. if ((status ^ old_status) == 0)
  11817. return 0;
  11818. /* If values differ */
  11819. switch (phy_flag) {
  11820. case PHY_HALF_OPEN_CONN_FLAG:
  11821. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11822. break;
  11823. case PHY_SFP_TX_FAULT_FLAG:
  11824. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11825. break;
  11826. default:
  11827. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11828. }
  11829. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11830. old_status, status);
  11831. /* Do not touch the link in case physical link down */
  11832. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11833. return 1;
  11834. /* a. Update shmem->link_status accordingly
  11835. * b. Update link_vars->link_up
  11836. */
  11837. if (status) {
  11838. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11839. vars->link_status |= link_flag;
  11840. vars->link_up = 0;
  11841. vars->phy_flags |= phy_flag;
  11842. /* activate nig drain */
  11843. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11844. /* Set LED mode to off since the PHY doesn't know about these
  11845. * errors
  11846. */
  11847. led_mode = LED_MODE_OFF;
  11848. } else {
  11849. vars->link_status |= LINK_STATUS_LINK_UP;
  11850. vars->link_status &= ~link_flag;
  11851. vars->link_up = 1;
  11852. vars->phy_flags &= ~phy_flag;
  11853. led_mode = LED_MODE_OPER;
  11854. /* Clear nig drain */
  11855. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11856. }
  11857. bnx2x_sync_link(params, vars);
  11858. /* Update the LED according to the link state */
  11859. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11860. /* Update link status in the shared memory */
  11861. bnx2x_update_mng(params, vars->link_status);
  11862. /* C. Trigger General Attention */
  11863. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11864. if (notify)
  11865. bnx2x_notify_link_changed(bp);
  11866. return 1;
  11867. }
  11868. /******************************************************************************
  11869. * Description:
  11870. * This function checks for half opened connection change indication.
  11871. * When such change occurs, it calls the bnx2x_analyze_link_error
  11872. * to check if Remote Fault is set or cleared. Reception of remote fault
  11873. * status message in the MAC indicates that the peer's MAC has detected
  11874. * a fault, for example, due to break in the TX side of fiber.
  11875. *
  11876. ******************************************************************************/
  11877. static int bnx2x_check_half_open_conn(struct link_params *params,
  11878. struct link_vars *vars,
  11879. u8 notify)
  11880. {
  11881. struct bnx2x *bp = params->bp;
  11882. u32 lss_status = 0;
  11883. u32 mac_base;
  11884. /* In case link status is physically up @ 10G do */
  11885. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11886. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11887. return 0;
  11888. if (CHIP_IS_E3(bp) &&
  11889. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11890. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11891. /* Check E3 XMAC */
  11892. /* Note that link speed cannot be queried here, since it may be
  11893. * zero while link is down. In case UMAC is active, LSS will
  11894. * simply not be set
  11895. */
  11896. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11897. /* Clear stick bits (Requires rising edge) */
  11898. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11899. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11900. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11901. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11902. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11903. lss_status = 1;
  11904. bnx2x_analyze_link_error(params, vars, lss_status,
  11905. PHY_HALF_OPEN_CONN_FLAG,
  11906. LINK_STATUS_NONE, notify);
  11907. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11908. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11909. /* Check E1X / E2 BMAC */
  11910. u32 lss_status_reg;
  11911. u32 wb_data[2];
  11912. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11913. NIG_REG_INGRESS_BMAC0_MEM;
  11914. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11915. if (CHIP_IS_E2(bp))
  11916. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11917. else
  11918. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11919. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11920. lss_status = (wb_data[0] > 0);
  11921. bnx2x_analyze_link_error(params, vars, lss_status,
  11922. PHY_HALF_OPEN_CONN_FLAG,
  11923. LINK_STATUS_NONE, notify);
  11924. }
  11925. return 0;
  11926. }
  11927. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11928. struct link_params *params,
  11929. struct link_vars *vars)
  11930. {
  11931. struct bnx2x *bp = params->bp;
  11932. u32 cfg_pin, value = 0;
  11933. u8 led_change, port = params->port;
  11934. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11935. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11936. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11937. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11938. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11939. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11940. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11941. return;
  11942. }
  11943. led_change = bnx2x_analyze_link_error(params, vars, value,
  11944. PHY_SFP_TX_FAULT_FLAG,
  11945. LINK_STATUS_SFP_TX_FAULT, 1);
  11946. if (led_change) {
  11947. /* Change TX_Fault led, set link status for further syncs */
  11948. u8 led_mode;
  11949. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11950. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11951. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11952. } else {
  11953. led_mode = MISC_REGISTERS_GPIO_LOW;
  11954. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11955. }
  11956. /* If module is unapproved, led should be on regardless */
  11957. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11958. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11959. led_mode);
  11960. bnx2x_set_e3_module_fault_led(params, led_mode);
  11961. }
  11962. }
  11963. }
  11964. static void bnx2x_kr2_recovery(struct link_params *params,
  11965. struct link_vars *vars,
  11966. struct bnx2x_phy *phy)
  11967. {
  11968. struct bnx2x *bp = params->bp;
  11969. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11970. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11971. bnx2x_warpcore_restart_AN_KR(phy, params);
  11972. }
  11973. static void bnx2x_check_kr2_wa(struct link_params *params,
  11974. struct link_vars *vars,
  11975. struct bnx2x_phy *phy)
  11976. {
  11977. struct bnx2x *bp = params->bp;
  11978. u16 base_page, next_page, not_kr2_device, lane;
  11979. int sigdet;
  11980. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11981. * Since some switches tend to reinit the AN process and clear the
  11982. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11983. * and recovered many times
  11984. */
  11985. if (vars->check_kr2_recovery_cnt > 0) {
  11986. vars->check_kr2_recovery_cnt--;
  11987. return;
  11988. }
  11989. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11990. if (!sigdet) {
  11991. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11992. bnx2x_kr2_recovery(params, vars, phy);
  11993. DP(NETIF_MSG_LINK, "No sigdet\n");
  11994. }
  11995. return;
  11996. }
  11997. lane = bnx2x_get_warpcore_lane(phy, params);
  11998. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11999. MDIO_AER_BLOCK_AER_REG, lane);
  12000. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12001. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12002. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12003. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12004. bnx2x_set_aer_mmd(params, phy);
  12005. /* CL73 has not begun yet */
  12006. if (base_page == 0) {
  12007. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12008. bnx2x_kr2_recovery(params, vars, phy);
  12009. DP(NETIF_MSG_LINK, "No BP\n");
  12010. }
  12011. return;
  12012. }
  12013. /* In case NP bit is not set in the BasePage, or it is set,
  12014. * but only KX is advertised, declare this link partner as non-KR2
  12015. * device.
  12016. */
  12017. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12018. (((base_page & 0x8000) &&
  12019. ((next_page & 0xe0) == 0x20))));
  12020. /* In case KR2 is already disabled, check if we need to re-enable it */
  12021. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12022. if (!not_kr2_device) {
  12023. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12024. next_page);
  12025. bnx2x_kr2_recovery(params, vars, phy);
  12026. }
  12027. return;
  12028. }
  12029. /* KR2 is enabled, but not KR2 device */
  12030. if (not_kr2_device) {
  12031. /* Disable KR2 on both lanes */
  12032. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12033. bnx2x_disable_kr2(params, vars, phy);
  12034. /* Restart AN on leading lane */
  12035. bnx2x_warpcore_restart_AN_KR(phy, params);
  12036. return;
  12037. }
  12038. }
  12039. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12040. {
  12041. u16 phy_idx;
  12042. struct bnx2x *bp = params->bp;
  12043. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12044. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12045. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12046. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12047. 0)
  12048. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12049. break;
  12050. }
  12051. }
  12052. if (CHIP_IS_E3(bp)) {
  12053. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12054. bnx2x_set_aer_mmd(params, phy);
  12055. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12056. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12057. bnx2x_check_kr2_wa(params, vars, phy);
  12058. bnx2x_check_over_curr(params, vars);
  12059. if (vars->rx_tx_asic_rst)
  12060. bnx2x_warpcore_config_runtime(phy, params, vars);
  12061. if ((REG_RD(bp, params->shmem_base +
  12062. offsetof(struct shmem_region, dev_info.
  12063. port_hw_config[params->port].default_cfg))
  12064. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12065. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12066. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12067. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12068. } else if (vars->link_status &
  12069. LINK_STATUS_SFP_TX_FAULT) {
  12070. /* Clean trail, interrupt corrects the leds */
  12071. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12072. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12073. /* Update link status in the shared memory */
  12074. bnx2x_update_mng(params, vars->link_status);
  12075. }
  12076. }
  12077. }
  12078. }
  12079. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12080. u32 shmem_base,
  12081. u32 shmem2_base,
  12082. u8 port)
  12083. {
  12084. u8 phy_index, fan_failure_det_req = 0;
  12085. struct bnx2x_phy phy;
  12086. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12087. phy_index++) {
  12088. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12089. port, &phy)
  12090. != 0) {
  12091. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12092. return 0;
  12093. }
  12094. fan_failure_det_req |= (phy.flags &
  12095. FLAGS_FAN_FAILURE_DET_REQ);
  12096. }
  12097. return fan_failure_det_req;
  12098. }
  12099. void bnx2x_hw_reset_phy(struct link_params *params)
  12100. {
  12101. u8 phy_index;
  12102. struct bnx2x *bp = params->bp;
  12103. bnx2x_update_mng(params, 0);
  12104. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12105. (NIG_MASK_XGXS0_LINK_STATUS |
  12106. NIG_MASK_XGXS0_LINK10G |
  12107. NIG_MASK_SERDES0_LINK_STATUS |
  12108. NIG_MASK_MI_INT));
  12109. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12110. phy_index++) {
  12111. if (params->phy[phy_index].hw_reset) {
  12112. params->phy[phy_index].hw_reset(
  12113. &params->phy[phy_index],
  12114. params);
  12115. params->phy[phy_index] = phy_null;
  12116. }
  12117. }
  12118. }
  12119. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12120. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12121. u8 port)
  12122. {
  12123. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12124. u32 val;
  12125. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12126. if (CHIP_IS_E3(bp)) {
  12127. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12128. shmem_base,
  12129. port,
  12130. &gpio_num,
  12131. &gpio_port) != 0)
  12132. return;
  12133. } else {
  12134. struct bnx2x_phy phy;
  12135. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12136. phy_index++) {
  12137. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12138. shmem2_base, port, &phy)
  12139. != 0) {
  12140. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12141. return;
  12142. }
  12143. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12144. gpio_num = MISC_REGISTERS_GPIO_3;
  12145. gpio_port = port;
  12146. break;
  12147. }
  12148. }
  12149. }
  12150. if (gpio_num == 0xff)
  12151. return;
  12152. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12153. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12154. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12155. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12156. gpio_port ^= (swap_val && swap_override);
  12157. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12158. (gpio_num + (gpio_port << 2));
  12159. sync_offset = shmem_base +
  12160. offsetof(struct shmem_region,
  12161. dev_info.port_hw_config[port].aeu_int_mask);
  12162. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12163. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12164. gpio_num, gpio_port, vars->aeu_int_mask);
  12165. if (port == 0)
  12166. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12167. else
  12168. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12169. /* Open appropriate AEU for interrupts */
  12170. aeu_mask = REG_RD(bp, offset);
  12171. aeu_mask |= vars->aeu_int_mask;
  12172. REG_WR(bp, offset, aeu_mask);
  12173. /* Enable the GPIO to trigger interrupt */
  12174. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12175. val |= 1 << (gpio_num + (gpio_port << 2));
  12176. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12177. }