bnx2x_link.c 402 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_UNKNOWN 0x0
  144. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  145. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  146. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  147. #define SFP_EEPROM_10G_COMP_CODE_ADDR 0x3
  148. #define SFP_EEPROM_10G_COMP_CODE_SR_MASK (1<<4)
  149. #define SFP_EEPROM_10G_COMP_CODE_LR_MASK (1<<5)
  150. #define SFP_EEPROM_10G_COMP_CODE_LRM_MASK (1<<6)
  151. #define SFP_EEPROM_1G_COMP_CODE_ADDR 0x6
  152. #define SFP_EEPROM_1G_COMP_CODE_SX (1<<0)
  153. #define SFP_EEPROM_1G_COMP_CODE_LX (1<<1)
  154. #define SFP_EEPROM_1G_COMP_CODE_CX (1<<2)
  155. #define SFP_EEPROM_1G_COMP_CODE_BASE_T (1<<3)
  156. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  157. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  158. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  159. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  160. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  161. #define SFP_EEPROM_OPTIONS_SIZE 2
  162. #define EDC_MODE_LINEAR 0x0022
  163. #define EDC_MODE_LIMITING 0x0044
  164. #define EDC_MODE_PASSIVE_DAC 0x0055
  165. #define EDC_MODE_ACTIVE_DAC 0x0066
  166. /* ETS defines*/
  167. #define DCBX_INVALID_COS (0xFF)
  168. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  169. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  170. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  171. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  172. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  173. #define MAX_PACKET_SIZE (9700)
  174. #define MAX_KR_LINK_RETRY 4
  175. #define DEFAULT_TX_DRV_BRDCT 2
  176. #define DEFAULT_TX_DRV_IFIR 0
  177. #define DEFAULT_TX_DRV_POST2 3
  178. #define DEFAULT_TX_DRV_IPRE_DRIVER 6
  179. /**********************************************************/
  180. /* INTERFACE */
  181. /**********************************************************/
  182. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  183. bnx2x_cl45_write(_bp, _phy, \
  184. (_phy)->def_md_devad, \
  185. (_bank + (_addr & 0xf)), \
  186. _val)
  187. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  188. bnx2x_cl45_read(_bp, _phy, \
  189. (_phy)->def_md_devad, \
  190. (_bank + (_addr & 0xf)), \
  191. _val)
  192. static int bnx2x_check_half_open_conn(struct link_params *params,
  193. struct link_vars *vars, u8 notify);
  194. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  195. struct link_params *params);
  196. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  197. {
  198. u32 val = REG_RD(bp, reg);
  199. val |= bits;
  200. REG_WR(bp, reg, val);
  201. return val;
  202. }
  203. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  204. {
  205. u32 val = REG_RD(bp, reg);
  206. val &= ~bits;
  207. REG_WR(bp, reg, val);
  208. return val;
  209. }
  210. /*
  211. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  212. * or link flap can be avoided.
  213. *
  214. * @params: link parameters
  215. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  216. * condition code.
  217. */
  218. static int bnx2x_check_lfa(struct link_params *params)
  219. {
  220. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  221. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  222. u32 saved_val, req_val, eee_status;
  223. struct bnx2x *bp = params->bp;
  224. additional_config =
  225. REG_RD(bp, params->lfa_base +
  226. offsetof(struct shmem_lfa, additional_config));
  227. /* NOTE: must be first condition checked -
  228. * to verify DCC bit is cleared in any case!
  229. */
  230. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  231. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  232. REG_WR(bp, params->lfa_base +
  233. offsetof(struct shmem_lfa, additional_config),
  234. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  235. return LFA_DCC_LFA_DISABLED;
  236. }
  237. /* Verify that link is up */
  238. link_status = REG_RD(bp, params->shmem_base +
  239. offsetof(struct shmem_region,
  240. port_mb[params->port].link_status));
  241. if (!(link_status & LINK_STATUS_LINK_UP))
  242. return LFA_LINK_DOWN;
  243. /* if loaded after BOOT from SAN, don't flap the link in any case and
  244. * rely on link set by preboot driver
  245. */
  246. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  247. return 0;
  248. /* Verify that loopback mode is not set */
  249. if (params->loopback_mode)
  250. return LFA_LOOPBACK_ENABLED;
  251. /* Verify that MFW supports LFA */
  252. if (!params->lfa_base)
  253. return LFA_MFW_IS_TOO_OLD;
  254. if (params->num_phys == 3) {
  255. cfg_size = 2;
  256. lfa_mask = 0xffffffff;
  257. } else {
  258. cfg_size = 1;
  259. lfa_mask = 0xffff;
  260. }
  261. /* Compare Duplex */
  262. saved_val = REG_RD(bp, params->lfa_base +
  263. offsetof(struct shmem_lfa, req_duplex));
  264. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  265. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  266. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  267. (saved_val & lfa_mask), (req_val & lfa_mask));
  268. return LFA_DUPLEX_MISMATCH;
  269. }
  270. /* Compare Flow Control */
  271. saved_val = REG_RD(bp, params->lfa_base +
  272. offsetof(struct shmem_lfa, req_flow_ctrl));
  273. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  274. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  275. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  276. (saved_val & lfa_mask), (req_val & lfa_mask));
  277. return LFA_FLOW_CTRL_MISMATCH;
  278. }
  279. /* Compare Link Speed */
  280. saved_val = REG_RD(bp, params->lfa_base +
  281. offsetof(struct shmem_lfa, req_line_speed));
  282. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  283. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  284. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  285. (saved_val & lfa_mask), (req_val & lfa_mask));
  286. return LFA_LINK_SPEED_MISMATCH;
  287. }
  288. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  289. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  290. offsetof(struct shmem_lfa,
  291. speed_cap_mask[cfg_idx]));
  292. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  293. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  294. cur_speed_cap_mask,
  295. params->speed_cap_mask[cfg_idx]);
  296. return LFA_SPEED_CAP_MISMATCH;
  297. }
  298. }
  299. cur_req_fc_auto_adv =
  300. REG_RD(bp, params->lfa_base +
  301. offsetof(struct shmem_lfa, additional_config)) &
  302. REQ_FC_AUTO_ADV_MASK;
  303. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  304. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  305. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  306. return LFA_FLOW_CTRL_MISMATCH;
  307. }
  308. eee_status = REG_RD(bp, params->shmem2_base +
  309. offsetof(struct shmem2_region,
  310. eee_status[params->port]));
  311. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  312. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  313. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  314. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  315. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  316. eee_status);
  317. return LFA_EEE_MISMATCH;
  318. }
  319. /* LFA conditions are met */
  320. return 0;
  321. }
  322. /******************************************************************/
  323. /* EPIO/GPIO section */
  324. /******************************************************************/
  325. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  326. {
  327. u32 epio_mask, gp_oenable;
  328. *en = 0;
  329. /* Sanity check */
  330. if (epio_pin > 31) {
  331. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  332. return;
  333. }
  334. epio_mask = 1 << epio_pin;
  335. /* Set this EPIO to output */
  336. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  337. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  338. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  339. }
  340. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  341. {
  342. u32 epio_mask, gp_output, gp_oenable;
  343. /* Sanity check */
  344. if (epio_pin > 31) {
  345. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  346. return;
  347. }
  348. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  349. epio_mask = 1 << epio_pin;
  350. /* Set this EPIO to output */
  351. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  352. if (en)
  353. gp_output |= epio_mask;
  354. else
  355. gp_output &= ~epio_mask;
  356. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  357. /* Set the value for this EPIO */
  358. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  359. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  360. }
  361. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  362. {
  363. if (pin_cfg == PIN_CFG_NA)
  364. return;
  365. if (pin_cfg >= PIN_CFG_EPIO0) {
  366. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  367. } else {
  368. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  369. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  370. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  371. }
  372. }
  373. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  374. {
  375. if (pin_cfg == PIN_CFG_NA)
  376. return -EINVAL;
  377. if (pin_cfg >= PIN_CFG_EPIO0) {
  378. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  379. } else {
  380. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  381. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  382. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  383. }
  384. return 0;
  385. }
  386. /******************************************************************/
  387. /* ETS section */
  388. /******************************************************************/
  389. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  390. {
  391. /* ETS disabled configuration*/
  392. struct bnx2x *bp = params->bp;
  393. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  394. /* mapping between entry priority to client number (0,1,2 -debug and
  395. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  396. * 3bits client num.
  397. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  398. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  399. */
  400. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  401. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  402. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  403. * COS0 entry, 4 - COS1 entry.
  404. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  405. * bit4 bit3 bit2 bit1 bit0
  406. * MCP and debug are strict
  407. */
  408. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  409. /* defines which entries (clients) are subjected to WFQ arbitration */
  410. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  411. /* For strict priority entries defines the number of consecutive
  412. * slots for the highest priority.
  413. */
  414. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  415. /* mapping between the CREDIT_WEIGHT registers and actual client
  416. * numbers
  417. */
  418. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  419. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  420. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  421. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  422. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  423. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  424. /* ETS mode disable */
  425. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  426. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  427. * weight for COS0/COS1.
  428. */
  429. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  430. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  431. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  432. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  433. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  434. /* Defines the number of consecutive slots for the strict priority */
  435. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  436. }
  437. /******************************************************************************
  438. * Description:
  439. * Getting min_w_val will be set according to line speed .
  440. *.
  441. ******************************************************************************/
  442. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  443. {
  444. u32 min_w_val = 0;
  445. /* Calculate min_w_val.*/
  446. if (vars->link_up) {
  447. if (vars->line_speed == SPEED_20000)
  448. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  449. else
  450. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  451. } else
  452. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  453. /* If the link isn't up (static configuration for example ) The
  454. * link will be according to 20GBPS.
  455. */
  456. return min_w_val;
  457. }
  458. /******************************************************************************
  459. * Description:
  460. * Getting credit upper bound form min_w_val.
  461. *.
  462. ******************************************************************************/
  463. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  464. {
  465. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  466. MAX_PACKET_SIZE);
  467. return credit_upper_bound;
  468. }
  469. /******************************************************************************
  470. * Description:
  471. * Set credit upper bound for NIG.
  472. *.
  473. ******************************************************************************/
  474. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  475. const struct link_params *params,
  476. const u32 min_w_val)
  477. {
  478. struct bnx2x *bp = params->bp;
  479. const u8 port = params->port;
  480. const u32 credit_upper_bound =
  481. bnx2x_ets_get_credit_upper_bound(min_w_val);
  482. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  483. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  484. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  485. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  486. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  487. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  488. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  489. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  490. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  491. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  492. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  493. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  494. if (!port) {
  495. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  496. credit_upper_bound);
  497. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  498. credit_upper_bound);
  499. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  500. credit_upper_bound);
  501. }
  502. }
  503. /******************************************************************************
  504. * Description:
  505. * Will return the NIG ETS registers to init values.Except
  506. * credit_upper_bound.
  507. * That isn't used in this configuration (No WFQ is enabled) and will be
  508. * configured according to spec
  509. *.
  510. ******************************************************************************/
  511. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  512. const struct link_vars *vars)
  513. {
  514. struct bnx2x *bp = params->bp;
  515. const u8 port = params->port;
  516. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  517. /* Mapping between entry priority to client number (0,1,2 -debug and
  518. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  519. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  520. * reset value or init tool
  521. */
  522. if (port) {
  523. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  524. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  525. } else {
  526. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  527. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  528. }
  529. /* For strict priority entries defines the number of consecutive
  530. * slots for the highest priority.
  531. */
  532. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  533. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  534. /* Mapping between the CREDIT_WEIGHT registers and actual client
  535. * numbers
  536. */
  537. if (port) {
  538. /*Port 1 has 6 COS*/
  539. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  540. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  541. } else {
  542. /*Port 0 has 9 COS*/
  543. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  544. 0x43210876);
  545. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  546. }
  547. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  548. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  549. * COS0 entry, 4 - COS1 entry.
  550. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  551. * bit4 bit3 bit2 bit1 bit0
  552. * MCP and debug are strict
  553. */
  554. if (port)
  555. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  556. else
  557. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  558. /* defines which entries (clients) are subjected to WFQ arbitration */
  559. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  560. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  561. /* Please notice the register address are note continuous and a
  562. * for here is note appropriate.In 2 port mode port0 only COS0-5
  563. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  564. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  565. * are never used for WFQ
  566. */
  567. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  568. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  569. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  570. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  571. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  572. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  573. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  574. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  575. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  576. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  577. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  578. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  579. if (!port) {
  580. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  581. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  582. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  583. }
  584. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  585. }
  586. /******************************************************************************
  587. * Description:
  588. * Set credit upper bound for PBF.
  589. *.
  590. ******************************************************************************/
  591. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  592. const struct link_params *params,
  593. const u32 min_w_val)
  594. {
  595. struct bnx2x *bp = params->bp;
  596. const u32 credit_upper_bound =
  597. bnx2x_ets_get_credit_upper_bound(min_w_val);
  598. const u8 port = params->port;
  599. u32 base_upper_bound = 0;
  600. u8 max_cos = 0;
  601. u8 i = 0;
  602. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  603. * port mode port1 has COS0-2 that can be used for WFQ.
  604. */
  605. if (!port) {
  606. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  607. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  608. } else {
  609. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  610. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  611. }
  612. for (i = 0; i < max_cos; i++)
  613. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  614. }
  615. /******************************************************************************
  616. * Description:
  617. * Will return the PBF ETS registers to init values.Except
  618. * credit_upper_bound.
  619. * That isn't used in this configuration (No WFQ is enabled) and will be
  620. * configured according to spec
  621. *.
  622. ******************************************************************************/
  623. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  624. {
  625. struct bnx2x *bp = params->bp;
  626. const u8 port = params->port;
  627. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  628. u8 i = 0;
  629. u32 base_weight = 0;
  630. u8 max_cos = 0;
  631. /* Mapping between entry priority to client number 0 - COS0
  632. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  633. * TODO_ETS - Should be done by reset value or init tool
  634. */
  635. if (port)
  636. /* 0x688 (|011|0 10|00 1|000) */
  637. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  638. else
  639. /* (10 1|100 |011|0 10|00 1|000) */
  640. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  641. /* TODO_ETS - Should be done by reset value or init tool */
  642. if (port)
  643. /* 0x688 (|011|0 10|00 1|000)*/
  644. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  645. else
  646. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  647. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  648. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  649. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  650. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  651. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  652. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  653. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  654. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  655. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  656. */
  657. if (!port) {
  658. base_weight = PBF_REG_COS0_WEIGHT_P0;
  659. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  660. } else {
  661. base_weight = PBF_REG_COS0_WEIGHT_P1;
  662. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  663. }
  664. for (i = 0; i < max_cos; i++)
  665. REG_WR(bp, base_weight + (0x4 * i), 0);
  666. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  667. }
  668. /******************************************************************************
  669. * Description:
  670. * E3B0 disable will return basically the values to init values.
  671. *.
  672. ******************************************************************************/
  673. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  674. const struct link_vars *vars)
  675. {
  676. struct bnx2x *bp = params->bp;
  677. if (!CHIP_IS_E3B0(bp)) {
  678. DP(NETIF_MSG_LINK,
  679. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  680. return -EINVAL;
  681. }
  682. bnx2x_ets_e3b0_nig_disabled(params, vars);
  683. bnx2x_ets_e3b0_pbf_disabled(params);
  684. return 0;
  685. }
  686. /******************************************************************************
  687. * Description:
  688. * Disable will return basically the values to init values.
  689. *
  690. ******************************************************************************/
  691. int bnx2x_ets_disabled(struct link_params *params,
  692. struct link_vars *vars)
  693. {
  694. struct bnx2x *bp = params->bp;
  695. int bnx2x_status = 0;
  696. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  697. bnx2x_ets_e2e3a0_disabled(params);
  698. else if (CHIP_IS_E3B0(bp))
  699. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  700. else {
  701. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  702. return -EINVAL;
  703. }
  704. return bnx2x_status;
  705. }
  706. /******************************************************************************
  707. * Description
  708. * Set the COS mappimg to SP and BW until this point all the COS are not
  709. * set as SP or BW.
  710. ******************************************************************************/
  711. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  712. const struct bnx2x_ets_params *ets_params,
  713. const u8 cos_sp_bitmap,
  714. const u8 cos_bw_bitmap)
  715. {
  716. struct bnx2x *bp = params->bp;
  717. const u8 port = params->port;
  718. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  719. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  720. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  721. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  722. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  723. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  724. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  725. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  726. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  727. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  728. nig_cli_subject2wfq_bitmap);
  729. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  730. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  731. pbf_cli_subject2wfq_bitmap);
  732. return 0;
  733. }
  734. /******************************************************************************
  735. * Description:
  736. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  737. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  738. ******************************************************************************/
  739. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  740. const u8 cos_entry,
  741. const u32 min_w_val_nig,
  742. const u32 min_w_val_pbf,
  743. const u16 total_bw,
  744. const u8 bw,
  745. const u8 port)
  746. {
  747. u32 nig_reg_adress_crd_weight = 0;
  748. u32 pbf_reg_adress_crd_weight = 0;
  749. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  750. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  751. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  752. switch (cos_entry) {
  753. case 0:
  754. nig_reg_adress_crd_weight =
  755. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  756. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  757. pbf_reg_adress_crd_weight = (port) ?
  758. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  759. break;
  760. case 1:
  761. nig_reg_adress_crd_weight = (port) ?
  762. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  763. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  764. pbf_reg_adress_crd_weight = (port) ?
  765. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  766. break;
  767. case 2:
  768. nig_reg_adress_crd_weight = (port) ?
  769. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  770. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  771. pbf_reg_adress_crd_weight = (port) ?
  772. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  773. break;
  774. case 3:
  775. if (port)
  776. return -EINVAL;
  777. nig_reg_adress_crd_weight =
  778. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  779. pbf_reg_adress_crd_weight =
  780. PBF_REG_COS3_WEIGHT_P0;
  781. break;
  782. case 4:
  783. if (port)
  784. return -EINVAL;
  785. nig_reg_adress_crd_weight =
  786. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  787. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  788. break;
  789. case 5:
  790. if (port)
  791. return -EINVAL;
  792. nig_reg_adress_crd_weight =
  793. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  794. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  795. break;
  796. }
  797. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  798. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  799. return 0;
  800. }
  801. /******************************************************************************
  802. * Description:
  803. * Calculate the total BW.A value of 0 isn't legal.
  804. *
  805. ******************************************************************************/
  806. static int bnx2x_ets_e3b0_get_total_bw(
  807. const struct link_params *params,
  808. struct bnx2x_ets_params *ets_params,
  809. u16 *total_bw)
  810. {
  811. struct bnx2x *bp = params->bp;
  812. u8 cos_idx = 0;
  813. u8 is_bw_cos_exist = 0;
  814. *total_bw = 0 ;
  815. /* Calculate total BW requested */
  816. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  817. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  818. is_bw_cos_exist = 1;
  819. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  820. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  821. "was set to 0\n");
  822. /* This is to prevent a state when ramrods
  823. * can't be sent
  824. */
  825. ets_params->cos[cos_idx].params.bw_params.bw
  826. = 1;
  827. }
  828. *total_bw +=
  829. ets_params->cos[cos_idx].params.bw_params.bw;
  830. }
  831. }
  832. /* Check total BW is valid */
  833. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  834. if (*total_bw == 0) {
  835. DP(NETIF_MSG_LINK,
  836. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  837. return -EINVAL;
  838. }
  839. DP(NETIF_MSG_LINK,
  840. "bnx2x_ets_E3B0_config total BW should be 100\n");
  841. /* We can handle a case whre the BW isn't 100 this can happen
  842. * if the TC are joined.
  843. */
  844. }
  845. return 0;
  846. }
  847. /******************************************************************************
  848. * Description:
  849. * Invalidate all the sp_pri_to_cos.
  850. *
  851. ******************************************************************************/
  852. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  853. {
  854. u8 pri = 0;
  855. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  856. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  857. }
  858. /******************************************************************************
  859. * Description:
  860. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  861. * according to sp_pri_to_cos.
  862. *
  863. ******************************************************************************/
  864. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  865. u8 *sp_pri_to_cos, const u8 pri,
  866. const u8 cos_entry)
  867. {
  868. struct bnx2x *bp = params->bp;
  869. const u8 port = params->port;
  870. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  871. DCBX_E3B0_MAX_NUM_COS_PORT0;
  872. if (pri >= max_num_of_cos) {
  873. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  874. "parameter Illegal strict priority\n");
  875. return -EINVAL;
  876. }
  877. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  878. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  879. "parameter There can't be two COS's with "
  880. "the same strict pri\n");
  881. return -EINVAL;
  882. }
  883. sp_pri_to_cos[pri] = cos_entry;
  884. return 0;
  885. }
  886. /******************************************************************************
  887. * Description:
  888. * Returns the correct value according to COS and priority in
  889. * the sp_pri_cli register.
  890. *
  891. ******************************************************************************/
  892. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  893. const u8 pri_set,
  894. const u8 pri_offset,
  895. const u8 entry_size)
  896. {
  897. u64 pri_cli_nig = 0;
  898. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  899. (pri_set + pri_offset));
  900. return pri_cli_nig;
  901. }
  902. /******************************************************************************
  903. * Description:
  904. * Returns the correct value according to COS and priority in the
  905. * sp_pri_cli register for NIG.
  906. *
  907. ******************************************************************************/
  908. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  909. {
  910. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  911. const u8 nig_cos_offset = 3;
  912. const u8 nig_pri_offset = 3;
  913. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  914. nig_pri_offset, 4);
  915. }
  916. /******************************************************************************
  917. * Description:
  918. * Returns the correct value according to COS and priority in the
  919. * sp_pri_cli register for PBF.
  920. *
  921. ******************************************************************************/
  922. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  923. {
  924. const u8 pbf_cos_offset = 0;
  925. const u8 pbf_pri_offset = 0;
  926. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  927. pbf_pri_offset, 3);
  928. }
  929. /******************************************************************************
  930. * Description:
  931. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  932. * according to sp_pri_to_cos.(which COS has higher priority)
  933. *
  934. ******************************************************************************/
  935. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  936. u8 *sp_pri_to_cos)
  937. {
  938. struct bnx2x *bp = params->bp;
  939. u8 i = 0;
  940. const u8 port = params->port;
  941. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  942. u64 pri_cli_nig = 0x210;
  943. u32 pri_cli_pbf = 0x0;
  944. u8 pri_set = 0;
  945. u8 pri_bitmask = 0;
  946. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  947. DCBX_E3B0_MAX_NUM_COS_PORT0;
  948. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  949. /* Set all the strict priority first */
  950. for (i = 0; i < max_num_of_cos; i++) {
  951. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  952. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  953. DP(NETIF_MSG_LINK,
  954. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  955. "invalid cos entry\n");
  956. return -EINVAL;
  957. }
  958. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  959. sp_pri_to_cos[i], pri_set);
  960. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  961. sp_pri_to_cos[i], pri_set);
  962. pri_bitmask = 1 << sp_pri_to_cos[i];
  963. /* COS is used remove it from bitmap.*/
  964. if (!(pri_bitmask & cos_bit_to_set)) {
  965. DP(NETIF_MSG_LINK,
  966. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  967. "invalid There can't be two COS's with"
  968. " the same strict pri\n");
  969. return -EINVAL;
  970. }
  971. cos_bit_to_set &= ~pri_bitmask;
  972. pri_set++;
  973. }
  974. }
  975. /* Set all the Non strict priority i= COS*/
  976. for (i = 0; i < max_num_of_cos; i++) {
  977. pri_bitmask = 1 << i;
  978. /* Check if COS was already used for SP */
  979. if (pri_bitmask & cos_bit_to_set) {
  980. /* COS wasn't used for SP */
  981. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  982. i, pri_set);
  983. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  984. i, pri_set);
  985. /* COS is used remove it from bitmap.*/
  986. cos_bit_to_set &= ~pri_bitmask;
  987. pri_set++;
  988. }
  989. }
  990. if (pri_set != max_num_of_cos) {
  991. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  992. "entries were set\n");
  993. return -EINVAL;
  994. }
  995. if (port) {
  996. /* Only 6 usable clients*/
  997. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  998. (u32)pri_cli_nig);
  999. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  1000. } else {
  1001. /* Only 9 usable clients*/
  1002. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  1003. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  1004. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  1005. pri_cli_nig_lsb);
  1006. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  1007. pri_cli_nig_msb);
  1008. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  1009. }
  1010. return 0;
  1011. }
  1012. /******************************************************************************
  1013. * Description:
  1014. * Configure the COS to ETS according to BW and SP settings.
  1015. ******************************************************************************/
  1016. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1017. const struct link_vars *vars,
  1018. struct bnx2x_ets_params *ets_params)
  1019. {
  1020. struct bnx2x *bp = params->bp;
  1021. int bnx2x_status = 0;
  1022. const u8 port = params->port;
  1023. u16 total_bw = 0;
  1024. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1025. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1026. u8 cos_bw_bitmap = 0;
  1027. u8 cos_sp_bitmap = 0;
  1028. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1029. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1030. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1031. u8 cos_entry = 0;
  1032. if (!CHIP_IS_E3B0(bp)) {
  1033. DP(NETIF_MSG_LINK,
  1034. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1035. return -EINVAL;
  1036. }
  1037. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1038. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1039. "isn't supported\n");
  1040. return -EINVAL;
  1041. }
  1042. /* Prepare sp strict priority parameters*/
  1043. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1044. /* Prepare BW parameters*/
  1045. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1046. &total_bw);
  1047. if (bnx2x_status) {
  1048. DP(NETIF_MSG_LINK,
  1049. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1050. return -EINVAL;
  1051. }
  1052. /* Upper bound is set according to current link speed (min_w_val
  1053. * should be the same for upper bound and COS credit val).
  1054. */
  1055. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1056. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1057. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1058. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1059. cos_bw_bitmap |= (1 << cos_entry);
  1060. /* The function also sets the BW in HW(not the mappin
  1061. * yet)
  1062. */
  1063. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1064. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1065. total_bw,
  1066. ets_params->cos[cos_entry].params.bw_params.bw,
  1067. port);
  1068. } else if (bnx2x_cos_state_strict ==
  1069. ets_params->cos[cos_entry].state){
  1070. cos_sp_bitmap |= (1 << cos_entry);
  1071. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1072. params,
  1073. sp_pri_to_cos,
  1074. ets_params->cos[cos_entry].params.sp_params.pri,
  1075. cos_entry);
  1076. } else {
  1077. DP(NETIF_MSG_LINK,
  1078. "bnx2x_ets_e3b0_config cos state not valid\n");
  1079. return -EINVAL;
  1080. }
  1081. if (bnx2x_status) {
  1082. DP(NETIF_MSG_LINK,
  1083. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1084. return bnx2x_status;
  1085. }
  1086. }
  1087. /* Set SP register (which COS has higher priority) */
  1088. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1089. sp_pri_to_cos);
  1090. if (bnx2x_status) {
  1091. DP(NETIF_MSG_LINK,
  1092. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1093. return bnx2x_status;
  1094. }
  1095. /* Set client mapping of BW and strict */
  1096. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1097. cos_sp_bitmap,
  1098. cos_bw_bitmap);
  1099. if (bnx2x_status) {
  1100. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1101. return bnx2x_status;
  1102. }
  1103. return 0;
  1104. }
  1105. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1106. {
  1107. /* ETS disabled configuration */
  1108. struct bnx2x *bp = params->bp;
  1109. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1110. /* Defines which entries (clients) are subjected to WFQ arbitration
  1111. * COS0 0x8
  1112. * COS1 0x10
  1113. */
  1114. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1115. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1116. * client numbers (WEIGHT_0 does not actually have to represent
  1117. * client 0)
  1118. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1119. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1120. */
  1121. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1122. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1123. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1124. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1125. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1126. /* ETS mode enabled*/
  1127. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1128. /* Defines the number of consecutive slots for the strict priority */
  1129. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1130. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1131. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1132. * entry, 4 - COS1 entry.
  1133. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1134. * bit4 bit3 bit2 bit1 bit0
  1135. * MCP and debug are strict
  1136. */
  1137. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1138. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1139. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1140. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1141. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1142. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1143. }
  1144. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1145. const u32 cos1_bw)
  1146. {
  1147. /* ETS disabled configuration*/
  1148. struct bnx2x *bp = params->bp;
  1149. const u32 total_bw = cos0_bw + cos1_bw;
  1150. u32 cos0_credit_weight = 0;
  1151. u32 cos1_credit_weight = 0;
  1152. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1153. if ((!total_bw) ||
  1154. (!cos0_bw) ||
  1155. (!cos1_bw)) {
  1156. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1157. return;
  1158. }
  1159. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1160. total_bw;
  1161. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1162. total_bw;
  1163. bnx2x_ets_bw_limit_common(params);
  1164. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1165. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1166. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1167. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1168. }
  1169. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1170. {
  1171. /* ETS disabled configuration*/
  1172. struct bnx2x *bp = params->bp;
  1173. u32 val = 0;
  1174. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1175. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1176. * as strict. Bits 0,1,2 - debug and management entries,
  1177. * 3 - COS0 entry, 4 - COS1 entry.
  1178. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1179. * bit4 bit3 bit2 bit1 bit0
  1180. * MCP and debug are strict
  1181. */
  1182. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1183. /* For strict priority entries defines the number of consecutive slots
  1184. * for the highest priority.
  1185. */
  1186. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1187. /* ETS mode disable */
  1188. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1189. /* Defines the number of consecutive slots for the strict priority */
  1190. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1191. /* Defines the number of consecutive slots for the strict priority */
  1192. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1193. /* Mapping between entry priority to client number (0,1,2 -debug and
  1194. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1195. * 3bits client num.
  1196. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1197. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1198. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1199. */
  1200. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1201. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1202. return 0;
  1203. }
  1204. /******************************************************************/
  1205. /* PFC section */
  1206. /******************************************************************/
  1207. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1208. struct link_vars *vars,
  1209. u8 is_lb)
  1210. {
  1211. struct bnx2x *bp = params->bp;
  1212. u32 xmac_base;
  1213. u32 pause_val, pfc0_val, pfc1_val;
  1214. /* XMAC base adrr */
  1215. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1216. /* Initialize pause and pfc registers */
  1217. pause_val = 0x18000;
  1218. pfc0_val = 0xFFFF8000;
  1219. pfc1_val = 0x2;
  1220. /* No PFC support */
  1221. if (!(params->feature_config_flags &
  1222. FEATURE_CONFIG_PFC_ENABLED)) {
  1223. /* RX flow control - Process pause frame in receive direction
  1224. */
  1225. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1226. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1227. /* TX flow control - Send pause packet when buffer is full */
  1228. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1229. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1230. } else {/* PFC support */
  1231. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1232. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1233. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1234. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1235. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1236. /* Write pause and PFC registers */
  1237. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1238. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1239. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1240. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1241. }
  1242. /* Write pause and PFC registers */
  1243. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1244. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1245. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1246. /* Set MAC address for source TX Pause/PFC frames */
  1247. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1248. ((params->mac_addr[2] << 24) |
  1249. (params->mac_addr[3] << 16) |
  1250. (params->mac_addr[4] << 8) |
  1251. (params->mac_addr[5])));
  1252. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1253. ((params->mac_addr[0] << 8) |
  1254. (params->mac_addr[1])));
  1255. udelay(30);
  1256. }
  1257. /******************************************************************/
  1258. /* MAC/PBF section */
  1259. /******************************************************************/
  1260. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1261. u32 emac_base)
  1262. {
  1263. u32 new_mode, cur_mode;
  1264. u32 clc_cnt;
  1265. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1266. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1267. */
  1268. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1269. if (USES_WARPCORE(bp))
  1270. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1271. else
  1272. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1273. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1274. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1275. return;
  1276. new_mode = cur_mode &
  1277. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1278. new_mode |= clc_cnt;
  1279. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1280. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1281. cur_mode, new_mode);
  1282. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1283. udelay(40);
  1284. }
  1285. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1286. struct link_params *params)
  1287. {
  1288. u8 phy_index;
  1289. /* Set mdio clock per phy */
  1290. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1291. phy_index++)
  1292. bnx2x_set_mdio_clk(bp, params->chip_id,
  1293. params->phy[phy_index].mdio_ctrl);
  1294. }
  1295. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1296. {
  1297. u32 port4mode_ovwr_val;
  1298. /* Check 4-port override enabled */
  1299. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1300. if (port4mode_ovwr_val & (1<<0)) {
  1301. /* Return 4-port mode override value */
  1302. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1303. }
  1304. /* Return 4-port mode from input pin */
  1305. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1306. }
  1307. static void bnx2x_emac_init(struct link_params *params,
  1308. struct link_vars *vars)
  1309. {
  1310. /* reset and unreset the emac core */
  1311. struct bnx2x *bp = params->bp;
  1312. u8 port = params->port;
  1313. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1314. u32 val;
  1315. u16 timeout;
  1316. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1317. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1318. udelay(5);
  1319. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1320. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1321. /* init emac - use read-modify-write */
  1322. /* self clear reset */
  1323. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1324. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1325. timeout = 200;
  1326. do {
  1327. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1328. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1329. if (!timeout) {
  1330. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1331. return;
  1332. }
  1333. timeout--;
  1334. } while (val & EMAC_MODE_RESET);
  1335. bnx2x_set_mdio_emac_per_phy(bp, params);
  1336. /* Set mac address */
  1337. val = ((params->mac_addr[0] << 8) |
  1338. params->mac_addr[1]);
  1339. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1340. val = ((params->mac_addr[2] << 24) |
  1341. (params->mac_addr[3] << 16) |
  1342. (params->mac_addr[4] << 8) |
  1343. params->mac_addr[5]);
  1344. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1345. }
  1346. static void bnx2x_set_xumac_nig(struct link_params *params,
  1347. u16 tx_pause_en,
  1348. u8 enable)
  1349. {
  1350. struct bnx2x *bp = params->bp;
  1351. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1352. enable);
  1353. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1354. enable);
  1355. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1356. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1357. }
  1358. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1359. {
  1360. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1361. u32 val;
  1362. struct bnx2x *bp = params->bp;
  1363. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1364. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1365. return;
  1366. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1367. if (en)
  1368. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1369. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1370. else
  1371. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1372. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1373. /* Disable RX and TX */
  1374. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1375. }
  1376. static void bnx2x_umac_enable(struct link_params *params,
  1377. struct link_vars *vars, u8 lb)
  1378. {
  1379. u32 val;
  1380. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1381. struct bnx2x *bp = params->bp;
  1382. /* Reset UMAC */
  1383. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1384. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1385. usleep_range(1000, 2000);
  1386. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1387. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1388. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1389. /* This register opens the gate for the UMAC despite its name */
  1390. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1391. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1392. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1393. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1394. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1395. switch (vars->line_speed) {
  1396. case SPEED_10:
  1397. val |= (0<<2);
  1398. break;
  1399. case SPEED_100:
  1400. val |= (1<<2);
  1401. break;
  1402. case SPEED_1000:
  1403. val |= (2<<2);
  1404. break;
  1405. case SPEED_2500:
  1406. val |= (3<<2);
  1407. break;
  1408. default:
  1409. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1410. vars->line_speed);
  1411. break;
  1412. }
  1413. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1414. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1415. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1416. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1417. if (vars->duplex == DUPLEX_HALF)
  1418. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1419. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1420. udelay(50);
  1421. /* Configure UMAC for EEE */
  1422. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1423. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1424. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1425. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1426. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1427. } else {
  1428. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1429. }
  1430. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1431. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1432. ((params->mac_addr[2] << 24) |
  1433. (params->mac_addr[3] << 16) |
  1434. (params->mac_addr[4] << 8) |
  1435. (params->mac_addr[5])));
  1436. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1437. ((params->mac_addr[0] << 8) |
  1438. (params->mac_addr[1])));
  1439. /* Enable RX and TX */
  1440. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1441. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1442. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1443. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1444. udelay(50);
  1445. /* Remove SW Reset */
  1446. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1447. /* Check loopback mode */
  1448. if (lb)
  1449. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1450. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1451. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1452. * length used by the MAC receive logic to check frames.
  1453. */
  1454. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1455. bnx2x_set_xumac_nig(params,
  1456. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1457. vars->mac_type = MAC_TYPE_UMAC;
  1458. }
  1459. /* Define the XMAC mode */
  1460. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1461. {
  1462. struct bnx2x *bp = params->bp;
  1463. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1464. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1465. * already out of reset, it means the mode has already been set,
  1466. * and it must not* reset the XMAC again, since it controls both
  1467. * ports of the path
  1468. */
  1469. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1470. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1471. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1472. is_port4mode &&
  1473. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1474. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1475. DP(NETIF_MSG_LINK,
  1476. "XMAC already out of reset in 4-port mode\n");
  1477. return;
  1478. }
  1479. /* Hard reset */
  1480. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1481. MISC_REGISTERS_RESET_REG_2_XMAC);
  1482. usleep_range(1000, 2000);
  1483. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1484. MISC_REGISTERS_RESET_REG_2_XMAC);
  1485. if (is_port4mode) {
  1486. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1487. /* Set the number of ports on the system side to up to 2 */
  1488. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1489. /* Set the number of ports on the Warp Core to 10G */
  1490. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1491. } else {
  1492. /* Set the number of ports on the system side to 1 */
  1493. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1494. if (max_speed == SPEED_10000) {
  1495. DP(NETIF_MSG_LINK,
  1496. "Init XMAC to 10G x 1 port per path\n");
  1497. /* Set the number of ports on the Warp Core to 10G */
  1498. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1499. } else {
  1500. DP(NETIF_MSG_LINK,
  1501. "Init XMAC to 20G x 2 ports per path\n");
  1502. /* Set the number of ports on the Warp Core to 20G */
  1503. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1504. }
  1505. }
  1506. /* Soft reset */
  1507. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1508. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1509. usleep_range(1000, 2000);
  1510. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1511. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1512. }
  1513. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1514. {
  1515. u8 port = params->port;
  1516. struct bnx2x *bp = params->bp;
  1517. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1518. u32 val;
  1519. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1520. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1521. /* Send an indication to change the state in the NIG back to XON
  1522. * Clearing this bit enables the next set of this bit to get
  1523. * rising edge
  1524. */
  1525. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1526. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1527. (pfc_ctrl & ~(1<<1)));
  1528. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1529. (pfc_ctrl | (1<<1)));
  1530. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1531. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1532. if (en)
  1533. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1534. else
  1535. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1536. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1537. }
  1538. }
  1539. static int bnx2x_xmac_enable(struct link_params *params,
  1540. struct link_vars *vars, u8 lb)
  1541. {
  1542. u32 val, xmac_base;
  1543. struct bnx2x *bp = params->bp;
  1544. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1545. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1546. bnx2x_xmac_init(params, vars->line_speed);
  1547. /* This register determines on which events the MAC will assert
  1548. * error on the i/f to the NIG along w/ EOP.
  1549. */
  1550. /* This register tells the NIG whether to send traffic to UMAC
  1551. * or XMAC
  1552. */
  1553. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1554. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1555. * detection.
  1556. */
  1557. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1558. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1559. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1560. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1561. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1562. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1563. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1564. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1565. }
  1566. /* Set Max packet size */
  1567. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1568. /* CRC append for Tx packets */
  1569. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1570. /* update PFC */
  1571. bnx2x_update_pfc_xmac(params, vars, 0);
  1572. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1573. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1574. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1575. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1576. } else {
  1577. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1578. }
  1579. /* Enable TX and RX */
  1580. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1581. /* Set MAC in XLGMII mode for dual-mode */
  1582. if ((vars->line_speed == SPEED_20000) &&
  1583. (params->phy[INT_PHY].supported &
  1584. SUPPORTED_20000baseKR2_Full))
  1585. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1586. /* Check loopback mode */
  1587. if (lb)
  1588. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1589. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1590. bnx2x_set_xumac_nig(params,
  1591. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1592. vars->mac_type = MAC_TYPE_XMAC;
  1593. return 0;
  1594. }
  1595. static int bnx2x_emac_enable(struct link_params *params,
  1596. struct link_vars *vars, u8 lb)
  1597. {
  1598. struct bnx2x *bp = params->bp;
  1599. u8 port = params->port;
  1600. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1601. u32 val;
  1602. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1603. /* Disable BMAC */
  1604. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1605. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1606. /* enable emac and not bmac */
  1607. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1608. /* ASIC */
  1609. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1610. u32 ser_lane = ((params->lane_config &
  1611. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1612. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1613. DP(NETIF_MSG_LINK, "XGXS\n");
  1614. /* select the master lanes (out of 0-3) */
  1615. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1616. /* select XGXS */
  1617. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1618. } else { /* SerDes */
  1619. DP(NETIF_MSG_LINK, "SerDes\n");
  1620. /* select SerDes */
  1621. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1622. }
  1623. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1624. EMAC_RX_MODE_RESET);
  1625. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1626. EMAC_TX_MODE_RESET);
  1627. /* pause enable/disable */
  1628. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1629. EMAC_RX_MODE_FLOW_EN);
  1630. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1631. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1632. EMAC_TX_MODE_FLOW_EN));
  1633. if (!(params->feature_config_flags &
  1634. FEATURE_CONFIG_PFC_ENABLED)) {
  1635. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1636. bnx2x_bits_en(bp, emac_base +
  1637. EMAC_REG_EMAC_RX_MODE,
  1638. EMAC_RX_MODE_FLOW_EN);
  1639. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1640. bnx2x_bits_en(bp, emac_base +
  1641. EMAC_REG_EMAC_TX_MODE,
  1642. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1643. EMAC_TX_MODE_FLOW_EN));
  1644. } else
  1645. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1646. EMAC_TX_MODE_FLOW_EN);
  1647. /* KEEP_VLAN_TAG, promiscuous */
  1648. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1649. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1650. /* Setting this bit causes MAC control frames (except for pause
  1651. * frames) to be passed on for processing. This setting has no
  1652. * affect on the operation of the pause frames. This bit effects
  1653. * all packets regardless of RX Parser packet sorting logic.
  1654. * Turn the PFC off to make sure we are in Xon state before
  1655. * enabling it.
  1656. */
  1657. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1658. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1659. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1660. /* Enable PFC again */
  1661. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1662. EMAC_REG_RX_PFC_MODE_RX_EN |
  1663. EMAC_REG_RX_PFC_MODE_TX_EN |
  1664. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1665. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1666. ((0x0101 <<
  1667. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1668. (0x00ff <<
  1669. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1670. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1671. }
  1672. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1673. /* Set Loopback */
  1674. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1675. if (lb)
  1676. val |= 0x810;
  1677. else
  1678. val &= ~0x810;
  1679. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1680. /* Enable emac */
  1681. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1682. /* Enable emac for jumbo packets */
  1683. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1684. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1685. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1686. /* Strip CRC */
  1687. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1688. /* Disable the NIG in/out to the bmac */
  1689. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1690. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1691. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1692. /* Enable the NIG in/out to the emac */
  1693. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1694. val = 0;
  1695. if ((params->feature_config_flags &
  1696. FEATURE_CONFIG_PFC_ENABLED) ||
  1697. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1698. val = 1;
  1699. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1700. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1701. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1702. vars->mac_type = MAC_TYPE_EMAC;
  1703. return 0;
  1704. }
  1705. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1706. struct link_vars *vars)
  1707. {
  1708. u32 wb_data[2];
  1709. struct bnx2x *bp = params->bp;
  1710. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1711. NIG_REG_INGRESS_BMAC0_MEM;
  1712. u32 val = 0x14;
  1713. if ((!(params->feature_config_flags &
  1714. FEATURE_CONFIG_PFC_ENABLED)) &&
  1715. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1716. /* Enable BigMAC to react on received Pause packets */
  1717. val |= (1<<5);
  1718. wb_data[0] = val;
  1719. wb_data[1] = 0;
  1720. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1721. /* TX control */
  1722. val = 0xc0;
  1723. if (!(params->feature_config_flags &
  1724. FEATURE_CONFIG_PFC_ENABLED) &&
  1725. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1726. val |= 0x800000;
  1727. wb_data[0] = val;
  1728. wb_data[1] = 0;
  1729. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1730. }
  1731. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1732. struct link_vars *vars,
  1733. u8 is_lb)
  1734. {
  1735. /* Set rx control: Strip CRC and enable BigMAC to relay
  1736. * control packets to the system as well
  1737. */
  1738. u32 wb_data[2];
  1739. struct bnx2x *bp = params->bp;
  1740. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1741. NIG_REG_INGRESS_BMAC0_MEM;
  1742. u32 val = 0x14;
  1743. if ((!(params->feature_config_flags &
  1744. FEATURE_CONFIG_PFC_ENABLED)) &&
  1745. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1746. /* Enable BigMAC to react on received Pause packets */
  1747. val |= (1<<5);
  1748. wb_data[0] = val;
  1749. wb_data[1] = 0;
  1750. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1751. udelay(30);
  1752. /* Tx control */
  1753. val = 0xc0;
  1754. if (!(params->feature_config_flags &
  1755. FEATURE_CONFIG_PFC_ENABLED) &&
  1756. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1757. val |= 0x800000;
  1758. wb_data[0] = val;
  1759. wb_data[1] = 0;
  1760. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1761. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1762. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1763. /* Enable PFC RX & TX & STATS and set 8 COS */
  1764. wb_data[0] = 0x0;
  1765. wb_data[0] |= (1<<0); /* RX */
  1766. wb_data[0] |= (1<<1); /* TX */
  1767. wb_data[0] |= (1<<2); /* Force initial Xon */
  1768. wb_data[0] |= (1<<3); /* 8 cos */
  1769. wb_data[0] |= (1<<5); /* STATS */
  1770. wb_data[1] = 0;
  1771. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1772. wb_data, 2);
  1773. /* Clear the force Xon */
  1774. wb_data[0] &= ~(1<<2);
  1775. } else {
  1776. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1777. /* Disable PFC RX & TX & STATS and set 8 COS */
  1778. wb_data[0] = 0x8;
  1779. wb_data[1] = 0;
  1780. }
  1781. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1782. /* Set Time (based unit is 512 bit time) between automatic
  1783. * re-sending of PP packets amd enable automatic re-send of
  1784. * Per-Priroity Packet as long as pp_gen is asserted and
  1785. * pp_disable is low.
  1786. */
  1787. val = 0x8000;
  1788. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1789. val |= (1<<16); /* enable automatic re-send */
  1790. wb_data[0] = val;
  1791. wb_data[1] = 0;
  1792. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1793. wb_data, 2);
  1794. /* mac control */
  1795. val = 0x3; /* Enable RX and TX */
  1796. if (is_lb) {
  1797. val |= 0x4; /* Local loopback */
  1798. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1799. }
  1800. /* When PFC enabled, Pass pause frames towards the NIG. */
  1801. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1802. val |= ((1<<6)|(1<<5));
  1803. wb_data[0] = val;
  1804. wb_data[1] = 0;
  1805. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1806. }
  1807. /******************************************************************************
  1808. * Description:
  1809. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1810. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1811. ******************************************************************************/
  1812. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1813. u8 cos_entry,
  1814. u32 priority_mask, u8 port)
  1815. {
  1816. u32 nig_reg_rx_priority_mask_add = 0;
  1817. switch (cos_entry) {
  1818. case 0:
  1819. nig_reg_rx_priority_mask_add = (port) ?
  1820. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1821. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1822. break;
  1823. case 1:
  1824. nig_reg_rx_priority_mask_add = (port) ?
  1825. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1826. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1827. break;
  1828. case 2:
  1829. nig_reg_rx_priority_mask_add = (port) ?
  1830. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1831. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1832. break;
  1833. case 3:
  1834. if (port)
  1835. return -EINVAL;
  1836. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1837. break;
  1838. case 4:
  1839. if (port)
  1840. return -EINVAL;
  1841. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1842. break;
  1843. case 5:
  1844. if (port)
  1845. return -EINVAL;
  1846. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1847. break;
  1848. }
  1849. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1850. return 0;
  1851. }
  1852. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1853. {
  1854. struct bnx2x *bp = params->bp;
  1855. REG_WR(bp, params->shmem_base +
  1856. offsetof(struct shmem_region,
  1857. port_mb[params->port].link_status), link_status);
  1858. }
  1859. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1860. {
  1861. struct bnx2x *bp = params->bp;
  1862. if (SHMEM2_HAS(bp, link_attr_sync))
  1863. REG_WR(bp, params->shmem2_base +
  1864. offsetof(struct shmem2_region,
  1865. link_attr_sync[params->port]), link_attr);
  1866. }
  1867. static void bnx2x_update_pfc_nig(struct link_params *params,
  1868. struct link_vars *vars,
  1869. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1870. {
  1871. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1872. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1873. u32 pkt_priority_to_cos = 0;
  1874. struct bnx2x *bp = params->bp;
  1875. u8 port = params->port;
  1876. int set_pfc = params->feature_config_flags &
  1877. FEATURE_CONFIG_PFC_ENABLED;
  1878. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1879. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1880. * MAC control frames (that are not pause packets)
  1881. * will be forwarded to the XCM.
  1882. */
  1883. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1884. NIG_REG_LLH0_XCM_MASK);
  1885. /* NIG params will override non PFC params, since it's possible to
  1886. * do transition from PFC to SAFC
  1887. */
  1888. if (set_pfc) {
  1889. pause_enable = 0;
  1890. llfc_out_en = 0;
  1891. llfc_enable = 0;
  1892. if (CHIP_IS_E3(bp))
  1893. ppp_enable = 0;
  1894. else
  1895. ppp_enable = 1;
  1896. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1897. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1898. xcm_out_en = 0;
  1899. hwpfc_enable = 1;
  1900. } else {
  1901. if (nig_params) {
  1902. llfc_out_en = nig_params->llfc_out_en;
  1903. llfc_enable = nig_params->llfc_enable;
  1904. pause_enable = nig_params->pause_enable;
  1905. } else /* Default non PFC mode - PAUSE */
  1906. pause_enable = 1;
  1907. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1908. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1909. xcm_out_en = 1;
  1910. }
  1911. if (CHIP_IS_E3(bp))
  1912. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1913. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1914. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1915. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1916. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1917. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1918. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1919. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1920. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1921. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1922. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1923. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1924. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1925. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1926. /* Output enable for RX_XCM # IF */
  1927. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1928. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1929. /* HW PFC TX enable */
  1930. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1931. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1932. if (nig_params) {
  1933. u8 i = 0;
  1934. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1935. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1936. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1937. nig_params->rx_cos_priority_mask[i], port);
  1938. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1939. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1940. nig_params->llfc_high_priority_classes);
  1941. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1942. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1943. nig_params->llfc_low_priority_classes);
  1944. }
  1945. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1946. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1947. pkt_priority_to_cos);
  1948. }
  1949. int bnx2x_update_pfc(struct link_params *params,
  1950. struct link_vars *vars,
  1951. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1952. {
  1953. /* The PFC and pause are orthogonal to one another, meaning when
  1954. * PFC is enabled, the pause are disabled, and when PFC is
  1955. * disabled, pause are set according to the pause result.
  1956. */
  1957. u32 val;
  1958. struct bnx2x *bp = params->bp;
  1959. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1960. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1961. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1962. else
  1963. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1964. bnx2x_update_mng(params, vars->link_status);
  1965. /* Update NIG params */
  1966. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1967. if (!vars->link_up)
  1968. return 0;
  1969. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1970. if (CHIP_IS_E3(bp)) {
  1971. if (vars->mac_type == MAC_TYPE_XMAC)
  1972. bnx2x_update_pfc_xmac(params, vars, 0);
  1973. } else {
  1974. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1975. if ((val &
  1976. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1977. == 0) {
  1978. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1979. bnx2x_emac_enable(params, vars, 0);
  1980. return 0;
  1981. }
  1982. if (CHIP_IS_E2(bp))
  1983. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1984. else
  1985. bnx2x_update_pfc_bmac1(params, vars);
  1986. val = 0;
  1987. if ((params->feature_config_flags &
  1988. FEATURE_CONFIG_PFC_ENABLED) ||
  1989. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1990. val = 1;
  1991. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1992. }
  1993. return 0;
  1994. }
  1995. static int bnx2x_bmac1_enable(struct link_params *params,
  1996. struct link_vars *vars,
  1997. u8 is_lb)
  1998. {
  1999. struct bnx2x *bp = params->bp;
  2000. u8 port = params->port;
  2001. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2002. NIG_REG_INGRESS_BMAC0_MEM;
  2003. u32 wb_data[2];
  2004. u32 val;
  2005. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2006. /* XGXS control */
  2007. wb_data[0] = 0x3c;
  2008. wb_data[1] = 0;
  2009. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2010. wb_data, 2);
  2011. /* TX MAC SA */
  2012. wb_data[0] = ((params->mac_addr[2] << 24) |
  2013. (params->mac_addr[3] << 16) |
  2014. (params->mac_addr[4] << 8) |
  2015. params->mac_addr[5]);
  2016. wb_data[1] = ((params->mac_addr[0] << 8) |
  2017. params->mac_addr[1]);
  2018. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2019. /* MAC control */
  2020. val = 0x3;
  2021. if (is_lb) {
  2022. val |= 0x4;
  2023. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2024. }
  2025. wb_data[0] = val;
  2026. wb_data[1] = 0;
  2027. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2028. /* Set rx mtu */
  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_RX_MAX_SIZE, wb_data, 2);
  2032. bnx2x_update_pfc_bmac1(params, vars);
  2033. /* Set tx mtu */
  2034. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2035. wb_data[1] = 0;
  2036. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2037. /* Set cnt max size */
  2038. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2039. wb_data[1] = 0;
  2040. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2041. /* Configure SAFC */
  2042. wb_data[0] = 0x1000200;
  2043. wb_data[1] = 0;
  2044. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2045. wb_data, 2);
  2046. return 0;
  2047. }
  2048. static int bnx2x_bmac2_enable(struct link_params *params,
  2049. struct link_vars *vars,
  2050. u8 is_lb)
  2051. {
  2052. struct bnx2x *bp = params->bp;
  2053. u8 port = params->port;
  2054. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2055. NIG_REG_INGRESS_BMAC0_MEM;
  2056. u32 wb_data[2];
  2057. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2058. wb_data[0] = 0;
  2059. wb_data[1] = 0;
  2060. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2061. udelay(30);
  2062. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2063. wb_data[0] = 0x3c;
  2064. wb_data[1] = 0;
  2065. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2066. wb_data, 2);
  2067. udelay(30);
  2068. /* TX MAC SA */
  2069. wb_data[0] = ((params->mac_addr[2] << 24) |
  2070. (params->mac_addr[3] << 16) |
  2071. (params->mac_addr[4] << 8) |
  2072. params->mac_addr[5]);
  2073. wb_data[1] = ((params->mac_addr[0] << 8) |
  2074. params->mac_addr[1]);
  2075. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2076. wb_data, 2);
  2077. udelay(30);
  2078. /* Configure SAFC */
  2079. wb_data[0] = 0x1000200;
  2080. wb_data[1] = 0;
  2081. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2082. wb_data, 2);
  2083. udelay(30);
  2084. /* Set RX MTU */
  2085. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2086. wb_data[1] = 0;
  2087. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2088. udelay(30);
  2089. /* Set TX MTU */
  2090. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2091. wb_data[1] = 0;
  2092. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2093. udelay(30);
  2094. /* Set cnt max size */
  2095. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2096. wb_data[1] = 0;
  2097. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2098. udelay(30);
  2099. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2100. return 0;
  2101. }
  2102. static int bnx2x_bmac_enable(struct link_params *params,
  2103. struct link_vars *vars,
  2104. u8 is_lb, u8 reset_bmac)
  2105. {
  2106. int rc = 0;
  2107. u8 port = params->port;
  2108. struct bnx2x *bp = params->bp;
  2109. u32 val;
  2110. /* Reset and unreset the BigMac */
  2111. if (reset_bmac) {
  2112. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2113. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2114. usleep_range(1000, 2000);
  2115. }
  2116. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2117. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2118. /* Enable access for bmac registers */
  2119. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2120. /* Enable BMAC according to BMAC type*/
  2121. if (CHIP_IS_E2(bp))
  2122. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2123. else
  2124. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2125. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2126. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2127. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2128. val = 0;
  2129. if ((params->feature_config_flags &
  2130. FEATURE_CONFIG_PFC_ENABLED) ||
  2131. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2132. val = 1;
  2133. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2134. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2135. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2136. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2137. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2138. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2139. vars->mac_type = MAC_TYPE_BMAC;
  2140. return rc;
  2141. }
  2142. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2143. {
  2144. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2145. NIG_REG_INGRESS_BMAC0_MEM;
  2146. u32 wb_data[2];
  2147. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2148. if (CHIP_IS_E2(bp))
  2149. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2150. else
  2151. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2152. /* Only if the bmac is out of reset */
  2153. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2154. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2155. nig_bmac_enable) {
  2156. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2157. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2158. if (en)
  2159. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2160. else
  2161. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2162. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2163. usleep_range(1000, 2000);
  2164. }
  2165. }
  2166. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2167. u32 line_speed)
  2168. {
  2169. struct bnx2x *bp = params->bp;
  2170. u8 port = params->port;
  2171. u32 init_crd, crd;
  2172. u32 count = 1000;
  2173. /* Disable port */
  2174. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2175. /* Wait for init credit */
  2176. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2177. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2178. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2179. while ((init_crd != crd) && count) {
  2180. usleep_range(5000, 10000);
  2181. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2182. count--;
  2183. }
  2184. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2185. if (init_crd != crd) {
  2186. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2187. init_crd, crd);
  2188. return -EINVAL;
  2189. }
  2190. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2191. line_speed == SPEED_10 ||
  2192. line_speed == SPEED_100 ||
  2193. line_speed == SPEED_1000 ||
  2194. line_speed == SPEED_2500) {
  2195. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2196. /* Update threshold */
  2197. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2198. /* Update init credit */
  2199. init_crd = 778; /* (800-18-4) */
  2200. } else {
  2201. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2202. ETH_OVREHEAD)/16;
  2203. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2204. /* Update threshold */
  2205. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2206. /* Update init credit */
  2207. switch (line_speed) {
  2208. case SPEED_10000:
  2209. init_crd = thresh + 553 - 22;
  2210. break;
  2211. default:
  2212. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2213. line_speed);
  2214. return -EINVAL;
  2215. }
  2216. }
  2217. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2218. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2219. line_speed, init_crd);
  2220. /* Probe the credit changes */
  2221. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2222. usleep_range(5000, 10000);
  2223. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2224. /* Enable port */
  2225. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2226. return 0;
  2227. }
  2228. /**
  2229. * bnx2x_get_emac_base - retrive emac base address
  2230. *
  2231. * @bp: driver handle
  2232. * @mdc_mdio_access: access type
  2233. * @port: port id
  2234. *
  2235. * This function selects the MDC/MDIO access (through emac0 or
  2236. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2237. * phy has a default access mode, which could also be overridden
  2238. * by nvram configuration. This parameter, whether this is the
  2239. * default phy configuration, or the nvram overrun
  2240. * configuration, is passed here as mdc_mdio_access and selects
  2241. * the emac_base for the CL45 read/writes operations
  2242. */
  2243. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2244. u32 mdc_mdio_access, u8 port)
  2245. {
  2246. u32 emac_base = 0;
  2247. switch (mdc_mdio_access) {
  2248. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2249. break;
  2250. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2251. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2252. emac_base = GRCBASE_EMAC1;
  2253. else
  2254. emac_base = GRCBASE_EMAC0;
  2255. break;
  2256. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2257. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2258. emac_base = GRCBASE_EMAC0;
  2259. else
  2260. emac_base = GRCBASE_EMAC1;
  2261. break;
  2262. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2263. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2264. break;
  2265. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2266. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2267. break;
  2268. default:
  2269. break;
  2270. }
  2271. return emac_base;
  2272. }
  2273. /******************************************************************/
  2274. /* CL22 access functions */
  2275. /******************************************************************/
  2276. static int bnx2x_cl22_write(struct bnx2x *bp,
  2277. struct bnx2x_phy *phy,
  2278. u16 reg, u16 val)
  2279. {
  2280. u32 tmp, mode;
  2281. u8 i;
  2282. int rc = 0;
  2283. /* Switch to CL22 */
  2284. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2285. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2286. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2287. /* Address */
  2288. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2289. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2290. EMAC_MDIO_COMM_START_BUSY);
  2291. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2292. for (i = 0; i < 50; i++) {
  2293. udelay(10);
  2294. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2295. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2296. udelay(5);
  2297. break;
  2298. }
  2299. }
  2300. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2301. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2302. rc = -EFAULT;
  2303. }
  2304. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2305. return rc;
  2306. }
  2307. static int bnx2x_cl22_read(struct bnx2x *bp,
  2308. struct bnx2x_phy *phy,
  2309. u16 reg, u16 *ret_val)
  2310. {
  2311. u32 val, mode;
  2312. u16 i;
  2313. int rc = 0;
  2314. /* Switch to CL22 */
  2315. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2316. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2317. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2318. /* Address */
  2319. val = ((phy->addr << 21) | (reg << 16) |
  2320. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2321. EMAC_MDIO_COMM_START_BUSY);
  2322. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2323. for (i = 0; i < 50; i++) {
  2324. udelay(10);
  2325. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2326. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2327. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2328. udelay(5);
  2329. break;
  2330. }
  2331. }
  2332. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2333. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2334. *ret_val = 0;
  2335. rc = -EFAULT;
  2336. }
  2337. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2338. return rc;
  2339. }
  2340. /******************************************************************/
  2341. /* CL45 access functions */
  2342. /******************************************************************/
  2343. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2344. u8 devad, u16 reg, u16 *ret_val)
  2345. {
  2346. u32 val;
  2347. u16 i;
  2348. int rc = 0;
  2349. u32 chip_id;
  2350. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2351. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2352. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2353. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2354. }
  2355. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2356. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2357. EMAC_MDIO_STATUS_10MB);
  2358. /* Address */
  2359. val = ((phy->addr << 21) | (devad << 16) | reg |
  2360. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2361. EMAC_MDIO_COMM_START_BUSY);
  2362. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2363. for (i = 0; i < 50; i++) {
  2364. udelay(10);
  2365. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2366. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2367. udelay(5);
  2368. break;
  2369. }
  2370. }
  2371. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2372. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2373. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2374. *ret_val = 0;
  2375. rc = -EFAULT;
  2376. } else {
  2377. /* Data */
  2378. val = ((phy->addr << 21) | (devad << 16) |
  2379. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2380. EMAC_MDIO_COMM_START_BUSY);
  2381. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2382. for (i = 0; i < 50; i++) {
  2383. udelay(10);
  2384. val = REG_RD(bp, phy->mdio_ctrl +
  2385. EMAC_REG_EMAC_MDIO_COMM);
  2386. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2387. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2388. break;
  2389. }
  2390. }
  2391. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2392. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2393. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2394. *ret_val = 0;
  2395. rc = -EFAULT;
  2396. }
  2397. }
  2398. /* Work around for E3 A0 */
  2399. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2400. phy->flags ^= FLAGS_DUMMY_READ;
  2401. if (phy->flags & FLAGS_DUMMY_READ) {
  2402. u16 temp_val;
  2403. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2404. }
  2405. }
  2406. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2407. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2408. EMAC_MDIO_STATUS_10MB);
  2409. return rc;
  2410. }
  2411. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2412. u8 devad, u16 reg, u16 val)
  2413. {
  2414. u32 tmp;
  2415. u8 i;
  2416. int rc = 0;
  2417. u32 chip_id;
  2418. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2419. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2420. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2421. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2422. }
  2423. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2424. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2425. EMAC_MDIO_STATUS_10MB);
  2426. /* Address */
  2427. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2428. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2429. EMAC_MDIO_COMM_START_BUSY);
  2430. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2431. for (i = 0; i < 50; i++) {
  2432. udelay(10);
  2433. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2434. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2435. udelay(5);
  2436. break;
  2437. }
  2438. }
  2439. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2440. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2441. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2442. rc = -EFAULT;
  2443. } else {
  2444. /* Data */
  2445. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2446. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2447. EMAC_MDIO_COMM_START_BUSY);
  2448. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2449. for (i = 0; i < 50; i++) {
  2450. udelay(10);
  2451. tmp = REG_RD(bp, phy->mdio_ctrl +
  2452. EMAC_REG_EMAC_MDIO_COMM);
  2453. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2454. udelay(5);
  2455. break;
  2456. }
  2457. }
  2458. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2459. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2460. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2461. rc = -EFAULT;
  2462. }
  2463. }
  2464. /* Work around for E3 A0 */
  2465. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2466. phy->flags ^= FLAGS_DUMMY_READ;
  2467. if (phy->flags & FLAGS_DUMMY_READ) {
  2468. u16 temp_val;
  2469. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2470. }
  2471. }
  2472. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2473. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2474. EMAC_MDIO_STATUS_10MB);
  2475. return rc;
  2476. }
  2477. /******************************************************************/
  2478. /* EEE section */
  2479. /******************************************************************/
  2480. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2481. {
  2482. struct bnx2x *bp = params->bp;
  2483. if (REG_RD(bp, params->shmem2_base) <=
  2484. offsetof(struct shmem2_region, eee_status[params->port]))
  2485. return 0;
  2486. return 1;
  2487. }
  2488. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2489. {
  2490. switch (nvram_mode) {
  2491. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2492. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2493. break;
  2494. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2495. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2496. break;
  2497. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2498. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2499. break;
  2500. default:
  2501. *idle_timer = 0;
  2502. break;
  2503. }
  2504. return 0;
  2505. }
  2506. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2507. {
  2508. switch (idle_timer) {
  2509. case EEE_MODE_NVRAM_BALANCED_TIME:
  2510. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2511. break;
  2512. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2513. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2514. break;
  2515. case EEE_MODE_NVRAM_LATENCY_TIME:
  2516. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2517. break;
  2518. default:
  2519. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2520. break;
  2521. }
  2522. return 0;
  2523. }
  2524. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2525. {
  2526. u32 eee_mode, eee_idle;
  2527. struct bnx2x *bp = params->bp;
  2528. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2529. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2530. /* time value in eee_mode --> used directly*/
  2531. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2532. } else {
  2533. /* hsi value in eee_mode --> time */
  2534. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2535. EEE_MODE_NVRAM_MASK,
  2536. &eee_idle))
  2537. return 0;
  2538. }
  2539. } else {
  2540. /* hsi values in nvram --> time*/
  2541. eee_mode = ((REG_RD(bp, params->shmem_base +
  2542. offsetof(struct shmem_region, dev_info.
  2543. port_feature_config[params->port].
  2544. eee_power_mode)) &
  2545. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2546. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2547. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2548. return 0;
  2549. }
  2550. return eee_idle;
  2551. }
  2552. static int bnx2x_eee_set_timers(struct link_params *params,
  2553. struct link_vars *vars)
  2554. {
  2555. u32 eee_idle = 0, eee_mode;
  2556. struct bnx2x *bp = params->bp;
  2557. eee_idle = bnx2x_eee_calc_timer(params);
  2558. if (eee_idle) {
  2559. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2560. eee_idle);
  2561. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2562. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2563. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2564. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2565. return -EINVAL;
  2566. }
  2567. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2568. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2569. /* eee_idle in 1u --> eee_status in 16u */
  2570. eee_idle >>= 4;
  2571. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2572. SHMEM_EEE_TIME_OUTPUT_BIT;
  2573. } else {
  2574. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2575. return -EINVAL;
  2576. vars->eee_status |= eee_mode;
  2577. }
  2578. return 0;
  2579. }
  2580. static int bnx2x_eee_initial_config(struct link_params *params,
  2581. struct link_vars *vars, u8 mode)
  2582. {
  2583. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2584. /* Propagate params' bits --> vars (for migration exposure) */
  2585. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2586. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2587. else
  2588. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2589. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2590. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2591. else
  2592. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2593. return bnx2x_eee_set_timers(params, vars);
  2594. }
  2595. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2596. struct link_params *params,
  2597. struct link_vars *vars)
  2598. {
  2599. struct bnx2x *bp = params->bp;
  2600. /* Make Certain LPI is disabled */
  2601. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2602. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2603. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2604. return 0;
  2605. }
  2606. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2607. struct link_params *params,
  2608. struct link_vars *vars, u8 modes)
  2609. {
  2610. struct bnx2x *bp = params->bp;
  2611. u16 val = 0;
  2612. /* Mask events preventing LPI generation */
  2613. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2614. if (modes & SHMEM_EEE_10G_ADV) {
  2615. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2616. val |= 0x8;
  2617. }
  2618. if (modes & SHMEM_EEE_1G_ADV) {
  2619. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2620. val |= 0x4;
  2621. }
  2622. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2623. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2624. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2625. return 0;
  2626. }
  2627. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2628. {
  2629. struct bnx2x *bp = params->bp;
  2630. if (bnx2x_eee_has_cap(params))
  2631. REG_WR(bp, params->shmem2_base +
  2632. offsetof(struct shmem2_region,
  2633. eee_status[params->port]), eee_status);
  2634. }
  2635. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2636. struct link_params *params,
  2637. struct link_vars *vars)
  2638. {
  2639. struct bnx2x *bp = params->bp;
  2640. u16 adv = 0, lp = 0;
  2641. u32 lp_adv = 0;
  2642. u8 neg = 0;
  2643. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2644. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2645. if (lp & 0x2) {
  2646. lp_adv |= SHMEM_EEE_100M_ADV;
  2647. if (adv & 0x2) {
  2648. if (vars->line_speed == SPEED_100)
  2649. neg = 1;
  2650. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2651. }
  2652. }
  2653. if (lp & 0x14) {
  2654. lp_adv |= SHMEM_EEE_1G_ADV;
  2655. if (adv & 0x14) {
  2656. if (vars->line_speed == SPEED_1000)
  2657. neg = 1;
  2658. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2659. }
  2660. }
  2661. if (lp & 0x68) {
  2662. lp_adv |= SHMEM_EEE_10G_ADV;
  2663. if (adv & 0x68) {
  2664. if (vars->line_speed == SPEED_10000)
  2665. neg = 1;
  2666. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2667. }
  2668. }
  2669. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2670. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2671. if (neg) {
  2672. DP(NETIF_MSG_LINK, "EEE is active\n");
  2673. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2674. }
  2675. }
  2676. /******************************************************************/
  2677. /* BSC access functions from E3 */
  2678. /******************************************************************/
  2679. static void bnx2x_bsc_module_sel(struct link_params *params)
  2680. {
  2681. int idx;
  2682. u32 board_cfg, sfp_ctrl;
  2683. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2684. struct bnx2x *bp = params->bp;
  2685. u8 port = params->port;
  2686. /* Read I2C output PINs */
  2687. board_cfg = REG_RD(bp, params->shmem_base +
  2688. offsetof(struct shmem_region,
  2689. dev_info.shared_hw_config.board));
  2690. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2691. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2692. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2693. /* Read I2C output value */
  2694. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2695. offsetof(struct shmem_region,
  2696. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2697. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2698. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2699. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2700. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2701. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2702. }
  2703. static int bnx2x_bsc_read(struct link_params *params,
  2704. struct bnx2x *bp,
  2705. u8 sl_devid,
  2706. u16 sl_addr,
  2707. u8 lc_addr,
  2708. u8 xfer_cnt,
  2709. u32 *data_array)
  2710. {
  2711. u32 val, i;
  2712. int rc = 0;
  2713. if (xfer_cnt > 16) {
  2714. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2715. xfer_cnt);
  2716. return -EINVAL;
  2717. }
  2718. bnx2x_bsc_module_sel(params);
  2719. xfer_cnt = 16 - lc_addr;
  2720. /* Enable the engine */
  2721. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2722. val |= MCPR_IMC_COMMAND_ENABLE;
  2723. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2724. /* Program slave device ID */
  2725. val = (sl_devid << 16) | sl_addr;
  2726. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2727. /* Start xfer with 0 byte to update the address pointer ???*/
  2728. val = (MCPR_IMC_COMMAND_ENABLE) |
  2729. (MCPR_IMC_COMMAND_WRITE_OP <<
  2730. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2731. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2732. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2733. /* Poll for completion */
  2734. i = 0;
  2735. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2736. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2737. udelay(10);
  2738. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2739. if (i++ > 1000) {
  2740. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2741. i);
  2742. rc = -EFAULT;
  2743. break;
  2744. }
  2745. }
  2746. if (rc == -EFAULT)
  2747. return rc;
  2748. /* Start xfer with read op */
  2749. val = (MCPR_IMC_COMMAND_ENABLE) |
  2750. (MCPR_IMC_COMMAND_READ_OP <<
  2751. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2752. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2753. (xfer_cnt);
  2754. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2755. /* Poll for completion */
  2756. i = 0;
  2757. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2758. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2759. udelay(10);
  2760. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2761. if (i++ > 1000) {
  2762. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2763. rc = -EFAULT;
  2764. break;
  2765. }
  2766. }
  2767. if (rc == -EFAULT)
  2768. return rc;
  2769. for (i = (lc_addr >> 2); i < 4; i++) {
  2770. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2771. #ifdef __BIG_ENDIAN
  2772. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2773. ((data_array[i] & 0x0000ff00) << 8) |
  2774. ((data_array[i] & 0x00ff0000) >> 8) |
  2775. ((data_array[i] & 0xff000000) >> 24);
  2776. #endif
  2777. }
  2778. return rc;
  2779. }
  2780. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2781. u8 devad, u16 reg, u16 or_val)
  2782. {
  2783. u16 val;
  2784. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2785. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2786. }
  2787. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2788. struct bnx2x_phy *phy,
  2789. u8 devad, u16 reg, u16 and_val)
  2790. {
  2791. u16 val;
  2792. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2793. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2794. }
  2795. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2796. u8 devad, u16 reg, u16 *ret_val)
  2797. {
  2798. u8 phy_index;
  2799. /* Probe for the phy according to the given phy_addr, and execute
  2800. * the read request on it
  2801. */
  2802. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2803. if (params->phy[phy_index].addr == phy_addr) {
  2804. return bnx2x_cl45_read(params->bp,
  2805. &params->phy[phy_index], devad,
  2806. reg, ret_val);
  2807. }
  2808. }
  2809. return -EINVAL;
  2810. }
  2811. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2812. u8 devad, u16 reg, u16 val)
  2813. {
  2814. u8 phy_index;
  2815. /* Probe for the phy according to the given phy_addr, and execute
  2816. * the write request on it
  2817. */
  2818. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2819. if (params->phy[phy_index].addr == phy_addr) {
  2820. return bnx2x_cl45_write(params->bp,
  2821. &params->phy[phy_index], devad,
  2822. reg, val);
  2823. }
  2824. }
  2825. return -EINVAL;
  2826. }
  2827. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2828. struct link_params *params)
  2829. {
  2830. u8 lane = 0;
  2831. struct bnx2x *bp = params->bp;
  2832. u32 path_swap, path_swap_ovr;
  2833. u8 path, port;
  2834. path = BP_PATH(bp);
  2835. port = params->port;
  2836. if (bnx2x_is_4_port_mode(bp)) {
  2837. u32 port_swap, port_swap_ovr;
  2838. /* Figure out path swap value */
  2839. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2840. if (path_swap_ovr & 0x1)
  2841. path_swap = (path_swap_ovr & 0x2);
  2842. else
  2843. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2844. if (path_swap)
  2845. path = path ^ 1;
  2846. /* Figure out port swap value */
  2847. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2848. if (port_swap_ovr & 0x1)
  2849. port_swap = (port_swap_ovr & 0x2);
  2850. else
  2851. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2852. if (port_swap)
  2853. port = port ^ 1;
  2854. lane = (port<<1) + path;
  2855. } else { /* Two port mode - no port swap */
  2856. /* Figure out path swap value */
  2857. path_swap_ovr =
  2858. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2859. if (path_swap_ovr & 0x1) {
  2860. path_swap = (path_swap_ovr & 0x2);
  2861. } else {
  2862. path_swap =
  2863. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2864. }
  2865. if (path_swap)
  2866. path = path ^ 1;
  2867. lane = path << 1 ;
  2868. }
  2869. return lane;
  2870. }
  2871. static void bnx2x_set_aer_mmd(struct link_params *params,
  2872. struct bnx2x_phy *phy)
  2873. {
  2874. u32 ser_lane;
  2875. u16 offset, aer_val;
  2876. struct bnx2x *bp = params->bp;
  2877. ser_lane = ((params->lane_config &
  2878. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2879. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2880. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2881. (phy->addr + ser_lane) : 0;
  2882. if (USES_WARPCORE(bp)) {
  2883. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2884. /* In Dual-lane mode, two lanes are joined together,
  2885. * so in order to configure them, the AER broadcast method is
  2886. * used here.
  2887. * 0x200 is the broadcast address for lanes 0,1
  2888. * 0x201 is the broadcast address for lanes 2,3
  2889. */
  2890. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2891. aer_val = (aer_val >> 1) | 0x200;
  2892. } else if (CHIP_IS_E2(bp))
  2893. aer_val = 0x3800 + offset - 1;
  2894. else
  2895. aer_val = 0x3800 + offset;
  2896. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2897. MDIO_AER_BLOCK_AER_REG, aer_val);
  2898. }
  2899. /******************************************************************/
  2900. /* Internal phy section */
  2901. /******************************************************************/
  2902. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2903. {
  2904. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2905. /* Set Clause 22 */
  2906. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2907. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2908. udelay(500);
  2909. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2910. udelay(500);
  2911. /* Set Clause 45 */
  2912. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2913. }
  2914. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2915. {
  2916. u32 val;
  2917. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2918. val = SERDES_RESET_BITS << (port*16);
  2919. /* Reset and unreset the SerDes/XGXS */
  2920. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2921. udelay(500);
  2922. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2923. bnx2x_set_serdes_access(bp, port);
  2924. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2925. DEFAULT_PHY_DEV_ADDR);
  2926. }
  2927. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2928. struct link_params *params,
  2929. u32 action)
  2930. {
  2931. struct bnx2x *bp = params->bp;
  2932. switch (action) {
  2933. case PHY_INIT:
  2934. /* Set correct devad */
  2935. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2936. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2937. phy->def_md_devad);
  2938. break;
  2939. }
  2940. }
  2941. static void bnx2x_xgxs_deassert(struct link_params *params)
  2942. {
  2943. struct bnx2x *bp = params->bp;
  2944. u8 port;
  2945. u32 val;
  2946. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2947. port = params->port;
  2948. val = XGXS_RESET_BITS << (port*16);
  2949. /* Reset and unreset the SerDes/XGXS */
  2950. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2951. udelay(500);
  2952. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2953. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2954. PHY_INIT);
  2955. }
  2956. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2957. struct link_params *params, u16 *ieee_fc)
  2958. {
  2959. struct bnx2x *bp = params->bp;
  2960. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2961. /* Resolve pause mode and advertisement Please refer to Table
  2962. * 28B-3 of the 802.3ab-1999 spec
  2963. */
  2964. switch (phy->req_flow_ctrl) {
  2965. case BNX2X_FLOW_CTRL_AUTO:
  2966. switch (params->req_fc_auto_adv) {
  2967. case BNX2X_FLOW_CTRL_BOTH:
  2968. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2969. break;
  2970. case BNX2X_FLOW_CTRL_RX:
  2971. case BNX2X_FLOW_CTRL_TX:
  2972. *ieee_fc |=
  2973. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2974. break;
  2975. default:
  2976. break;
  2977. }
  2978. break;
  2979. case BNX2X_FLOW_CTRL_TX:
  2980. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2981. break;
  2982. case BNX2X_FLOW_CTRL_RX:
  2983. case BNX2X_FLOW_CTRL_BOTH:
  2984. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2985. break;
  2986. case BNX2X_FLOW_CTRL_NONE:
  2987. default:
  2988. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2989. break;
  2990. }
  2991. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2992. }
  2993. static void set_phy_vars(struct link_params *params,
  2994. struct link_vars *vars)
  2995. {
  2996. struct bnx2x *bp = params->bp;
  2997. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2998. u8 phy_config_swapped = params->multi_phy_config &
  2999. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3000. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3001. phy_index++) {
  3002. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3003. actual_phy_idx = phy_index;
  3004. if (phy_config_swapped) {
  3005. if (phy_index == EXT_PHY1)
  3006. actual_phy_idx = EXT_PHY2;
  3007. else if (phy_index == EXT_PHY2)
  3008. actual_phy_idx = EXT_PHY1;
  3009. }
  3010. params->phy[actual_phy_idx].req_flow_ctrl =
  3011. params->req_flow_ctrl[link_cfg_idx];
  3012. params->phy[actual_phy_idx].req_line_speed =
  3013. params->req_line_speed[link_cfg_idx];
  3014. params->phy[actual_phy_idx].speed_cap_mask =
  3015. params->speed_cap_mask[link_cfg_idx];
  3016. params->phy[actual_phy_idx].req_duplex =
  3017. params->req_duplex[link_cfg_idx];
  3018. if (params->req_line_speed[link_cfg_idx] ==
  3019. SPEED_AUTO_NEG)
  3020. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3021. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3022. " speed_cap_mask %x\n",
  3023. params->phy[actual_phy_idx].req_flow_ctrl,
  3024. params->phy[actual_phy_idx].req_line_speed,
  3025. params->phy[actual_phy_idx].speed_cap_mask);
  3026. }
  3027. }
  3028. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3029. struct bnx2x_phy *phy,
  3030. struct link_vars *vars)
  3031. {
  3032. u16 val;
  3033. struct bnx2x *bp = params->bp;
  3034. /* Read modify write pause advertizing */
  3035. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3036. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3037. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3038. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3039. if ((vars->ieee_fc &
  3040. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3041. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3042. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3043. }
  3044. if ((vars->ieee_fc &
  3045. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3046. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3047. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3048. }
  3049. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3050. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3051. }
  3052. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3053. { /* LD LP */
  3054. switch (pause_result) { /* ASYM P ASYM P */
  3055. case 0xb: /* 1 0 1 1 */
  3056. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3057. break;
  3058. case 0xe: /* 1 1 1 0 */
  3059. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3060. break;
  3061. case 0x5: /* 0 1 0 1 */
  3062. case 0x7: /* 0 1 1 1 */
  3063. case 0xd: /* 1 1 0 1 */
  3064. case 0xf: /* 1 1 1 1 */
  3065. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3066. break;
  3067. default:
  3068. break;
  3069. }
  3070. if (pause_result & (1<<0))
  3071. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3072. if (pause_result & (1<<1))
  3073. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3074. }
  3075. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3076. struct link_params *params,
  3077. struct link_vars *vars)
  3078. {
  3079. u16 ld_pause; /* local */
  3080. u16 lp_pause; /* link partner */
  3081. u16 pause_result;
  3082. struct bnx2x *bp = params->bp;
  3083. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3084. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3085. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3086. } else if (CHIP_IS_E3(bp) &&
  3087. SINGLE_MEDIA_DIRECT(params)) {
  3088. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3089. u16 gp_status, gp_mask;
  3090. bnx2x_cl45_read(bp, phy,
  3091. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3092. &gp_status);
  3093. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3094. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3095. lane;
  3096. if ((gp_status & gp_mask) == gp_mask) {
  3097. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3098. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3099. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3100. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3101. } else {
  3102. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3103. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3104. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3105. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3106. ld_pause = ((ld_pause &
  3107. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3108. << 3);
  3109. lp_pause = ((lp_pause &
  3110. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3111. << 3);
  3112. }
  3113. } else {
  3114. bnx2x_cl45_read(bp, phy,
  3115. MDIO_AN_DEVAD,
  3116. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3117. bnx2x_cl45_read(bp, phy,
  3118. MDIO_AN_DEVAD,
  3119. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3120. }
  3121. pause_result = (ld_pause &
  3122. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3123. pause_result |= (lp_pause &
  3124. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3125. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3126. bnx2x_pause_resolve(vars, pause_result);
  3127. }
  3128. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3129. struct link_params *params,
  3130. struct link_vars *vars)
  3131. {
  3132. u8 ret = 0;
  3133. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3134. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3135. /* Update the advertised flow-controled of LD/LP in AN */
  3136. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3137. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3138. /* But set the flow-control result as the requested one */
  3139. vars->flow_ctrl = phy->req_flow_ctrl;
  3140. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3141. vars->flow_ctrl = params->req_fc_auto_adv;
  3142. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3143. ret = 1;
  3144. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3145. }
  3146. return ret;
  3147. }
  3148. /******************************************************************/
  3149. /* Warpcore section */
  3150. /******************************************************************/
  3151. /* The init_internal_warpcore should mirror the xgxs,
  3152. * i.e. reset the lane (if needed), set aer for the
  3153. * init configuration, and set/clear SGMII flag. Internal
  3154. * phy init is done purely in phy_init stage.
  3155. */
  3156. #define WC_TX_DRIVER(post2, idriver, ipre, ifir) \
  3157. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3158. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3159. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET) | \
  3160. (ifir << MDIO_WC_REG_TX0_TX_DRIVER_IFIR_OFFSET))
  3161. #define WC_TX_FIR(post, main, pre) \
  3162. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3163. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3164. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3165. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3166. struct link_params *params,
  3167. struct link_vars *vars)
  3168. {
  3169. struct bnx2x *bp = params->bp;
  3170. u16 i;
  3171. static struct bnx2x_reg_set reg_set[] = {
  3172. /* Step 1 - Program the TX/RX alignment markers */
  3173. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3174. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3175. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3176. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3177. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3178. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3179. /* Step 2 - Configure the NP registers */
  3180. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3181. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3182. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3183. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3184. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3185. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3186. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3187. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3188. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3189. };
  3190. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3191. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3192. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3193. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3194. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3195. reg_set[i].val);
  3196. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3197. params->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3198. bnx2x_update_link_attr(params, params->link_attr_sync);
  3199. }
  3200. static void bnx2x_disable_kr2(struct link_params *params,
  3201. struct link_vars *vars,
  3202. struct bnx2x_phy *phy)
  3203. {
  3204. struct bnx2x *bp = params->bp;
  3205. int i;
  3206. static struct bnx2x_reg_set reg_set[] = {
  3207. /* Step 1 - Program the TX/RX alignment markers */
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3214. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3216. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3217. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3218. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3219. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3220. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3221. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3222. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3223. };
  3224. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3225. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3226. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3227. reg_set[i].val);
  3228. params->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3229. bnx2x_update_link_attr(params, params->link_attr_sync);
  3230. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3231. }
  3232. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3233. struct link_params *params)
  3234. {
  3235. struct bnx2x *bp = params->bp;
  3236. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3237. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3238. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3239. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3240. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3241. }
  3242. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3243. struct link_params *params)
  3244. {
  3245. /* Restart autoneg on the leading lane only */
  3246. struct bnx2x *bp = params->bp;
  3247. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3248. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3249. MDIO_AER_BLOCK_AER_REG, lane);
  3250. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3251. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3252. /* Restore AER */
  3253. bnx2x_set_aer_mmd(params, phy);
  3254. }
  3255. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3256. struct link_params *params,
  3257. struct link_vars *vars) {
  3258. u16 lane, i, cl72_ctrl, an_adv = 0, val;
  3259. u32 wc_lane_config;
  3260. struct bnx2x *bp = params->bp;
  3261. static struct bnx2x_reg_set reg_set[] = {
  3262. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3263. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3264. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3265. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3266. /* Disable Autoneg: re-enable it after adv is done. */
  3267. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3268. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3269. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3270. };
  3271. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3272. /* Set to default registers that may be overriden by 10G force */
  3273. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3274. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3275. reg_set[i].val);
  3276. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3277. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3278. cl72_ctrl &= 0x08ff;
  3279. cl72_ctrl |= 0x3800;
  3280. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3282. /* Check adding advertisement for 1G KX */
  3283. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3284. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3285. (vars->line_speed == SPEED_1000)) {
  3286. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3287. an_adv |= (1<<5);
  3288. /* Enable CL37 1G Parallel Detect */
  3289. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3290. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3291. }
  3292. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3293. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3294. (vars->line_speed == SPEED_10000)) {
  3295. /* Check adding advertisement for 10G KR */
  3296. an_adv |= (1<<7);
  3297. /* Enable 10G Parallel Detect */
  3298. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3299. MDIO_AER_BLOCK_AER_REG, 0);
  3300. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3301. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3302. bnx2x_set_aer_mmd(params, phy);
  3303. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3304. }
  3305. /* Set Transmit PMD settings */
  3306. lane = bnx2x_get_warpcore_lane(phy, params);
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3309. WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
  3310. /* Configure the next lane if dual mode */
  3311. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3312. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3313. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3314. WC_TX_DRIVER(0x02, 0x06, 0x09, 0));
  3315. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3317. 0x03f0);
  3318. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3319. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3320. 0x03f0);
  3321. /* Advertised speeds */
  3322. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3323. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3324. /* Advertised and set FEC (Forward Error Correction) */
  3325. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3326. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3327. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3328. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3329. /* Enable CL37 BAM */
  3330. if (REG_RD(bp, params->shmem_base +
  3331. offsetof(struct shmem_region, dev_info.
  3332. port_hw_config[params->port].default_cfg)) &
  3333. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3334. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3336. 1);
  3337. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3338. }
  3339. /* Advertise pause */
  3340. bnx2x_ext_phy_set_pause(params, phy, vars);
  3341. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3342. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3343. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3344. /* Over 1G - AN local device user page 1 */
  3345. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3347. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3348. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3349. (phy->req_line_speed == SPEED_20000)) {
  3350. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3351. MDIO_AER_BLOCK_AER_REG, lane);
  3352. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3354. (1<<11));
  3355. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3357. bnx2x_set_aer_mmd(params, phy);
  3358. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3359. } else {
  3360. /* Enable Auto-Detect to support 1G over CL37 as well */
  3361. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x10);
  3363. wc_lane_config = REG_RD(bp, params->shmem_base +
  3364. offsetof(struct shmem_region, dev_info.
  3365. shared_hw_config.wc_lane_config));
  3366. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3367. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4), &val);
  3368. /* Force cl48 sync_status LOW to avoid getting stuck in CL73
  3369. * parallel-detect loop when CL73 and CL37 are enabled.
  3370. */
  3371. val |= 1 << 11;
  3372. /* Restore Polarity settings in case it was run over by
  3373. * previous link owner
  3374. */
  3375. if (wc_lane_config &
  3376. (SHARED_HW_CFG_RX_LANE0_POL_FLIP_ENABLED << lane))
  3377. val |= 3 << 2;
  3378. else
  3379. val &= ~(3 << 2);
  3380. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_RX0_PCI_CTRL + (lane << 4),
  3382. val);
  3383. bnx2x_disable_kr2(params, vars, phy);
  3384. }
  3385. /* Enable Autoneg: only on the main lane */
  3386. bnx2x_warpcore_restart_AN_KR(phy, params);
  3387. }
  3388. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3389. struct link_params *params,
  3390. struct link_vars *vars)
  3391. {
  3392. struct bnx2x *bp = params->bp;
  3393. u16 val16, i, lane;
  3394. static struct bnx2x_reg_set reg_set[] = {
  3395. /* Disable Autoneg */
  3396. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3397. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3398. 0x3f00},
  3399. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3400. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3401. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3402. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3403. /* Leave cl72 training enable, needed for KR */
  3404. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3405. };
  3406. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3407. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3408. reg_set[i].val);
  3409. lane = bnx2x_get_warpcore_lane(phy, params);
  3410. /* Global registers */
  3411. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3412. MDIO_AER_BLOCK_AER_REG, 0);
  3413. /* Disable CL36 PCS Tx */
  3414. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3416. val16 &= ~(0x0011 << lane);
  3417. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3419. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3421. val16 |= (0x0303 << (lane << 1));
  3422. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3424. /* Restore AER */
  3425. bnx2x_set_aer_mmd(params, phy);
  3426. /* Set speed via PMA/PMD register */
  3427. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3428. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3429. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3430. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3431. /* Enable encoded forced speed */
  3432. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3434. /* Turn TX scramble payload only the 64/66 scrambler */
  3435. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3437. /* Turn RX scramble payload only the 64/66 scrambler */
  3438. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3440. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3441. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3442. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3443. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3445. }
  3446. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3447. struct link_params *params,
  3448. u8 is_xfi)
  3449. {
  3450. struct bnx2x *bp = params->bp;
  3451. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3452. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3453. u32 ifir_val, ipost2_val, ipre_driver_val;
  3454. /* Hold rxSeqStart */
  3455. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3457. /* Hold tx_fifo_reset */
  3458. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3460. /* Disable CL73 AN */
  3461. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3462. /* Disable 100FX Enable and Auto-Detect */
  3463. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3464. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3465. /* Disable 100FX Idle detect */
  3466. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3468. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3469. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3471. /* Turn off auto-detect & fiber mode */
  3472. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3474. 0xFFEE);
  3475. /* Set filter_force_link, disable_false_link and parallel_detect */
  3476. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3478. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3480. ((val | 0x0006) & 0xFFFE));
  3481. /* Set XFI / SFI */
  3482. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3484. misc1_val &= ~(0x1f);
  3485. if (is_xfi) {
  3486. misc1_val |= 0x5;
  3487. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3488. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03, 0);
  3489. } else {
  3490. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3491. offsetof(struct shmem_region, dev_info.
  3492. port_hw_config[params->port].
  3493. sfi_tap_values));
  3494. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3495. misc1_val |= 0x9;
  3496. /* TAP values are controlled by nvram, if value there isn't 0 */
  3497. if (tx_equal)
  3498. tap_val = (u16)tx_equal;
  3499. else
  3500. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3501. ifir_val = DEFAULT_TX_DRV_IFIR;
  3502. ipost2_val = DEFAULT_TX_DRV_POST2;
  3503. ipre_driver_val = DEFAULT_TX_DRV_IPRE_DRIVER;
  3504. tx_drv_brdct = DEFAULT_TX_DRV_BRDCT;
  3505. /* If any of the IFIR/IPRE_DRIVER/POST@ is set, apply all
  3506. * configuration.
  3507. */
  3508. if (cfg_tap_val & (PORT_HW_CFG_TX_DRV_IFIR_MASK |
  3509. PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK |
  3510. PORT_HW_CFG_TX_DRV_POST2_MASK)) {
  3511. ifir_val = (cfg_tap_val &
  3512. PORT_HW_CFG_TX_DRV_IFIR_MASK) >>
  3513. PORT_HW_CFG_TX_DRV_IFIR_SHIFT;
  3514. ipre_driver_val = (cfg_tap_val &
  3515. PORT_HW_CFG_TX_DRV_IPREDRIVER_MASK)
  3516. >> PORT_HW_CFG_TX_DRV_IPREDRIVER_SHIFT;
  3517. ipost2_val = (cfg_tap_val &
  3518. PORT_HW_CFG_TX_DRV_POST2_MASK) >>
  3519. PORT_HW_CFG_TX_DRV_POST2_SHIFT;
  3520. }
  3521. if (cfg_tap_val & PORT_HW_CFG_TX_DRV_BROADCAST_MASK) {
  3522. tx_drv_brdct = (cfg_tap_val &
  3523. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3524. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3525. }
  3526. tx_driver_val = WC_TX_DRIVER(ipost2_val, tx_drv_brdct,
  3527. ipre_driver_val, ifir_val);
  3528. }
  3529. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3530. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3531. /* Set Transmit PMD settings */
  3532. lane = bnx2x_get_warpcore_lane(phy, params);
  3533. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_TX_FIR_TAP,
  3535. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3538. tx_driver_val);
  3539. /* Enable fiber mode, enable and invert sig_det */
  3540. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3542. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3543. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3544. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3545. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3546. /* 10G XFI Full Duplex */
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3549. /* Release tx_fifo_reset */
  3550. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3552. 0xFFFE);
  3553. /* Release rxSeqStart */
  3554. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3556. }
  3557. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3558. struct link_params *params)
  3559. {
  3560. u16 val;
  3561. struct bnx2x *bp = params->bp;
  3562. /* Set global registers, so set AER lane to 0 */
  3563. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3564. MDIO_AER_BLOCK_AER_REG, 0);
  3565. /* Disable sequencer */
  3566. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3568. bnx2x_set_aer_mmd(params, phy);
  3569. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3570. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3571. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3572. MDIO_AN_REG_CTRL, 0);
  3573. /* Turn off CL73 */
  3574. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3575. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3576. val &= ~(1<<5);
  3577. val |= (1<<6);
  3578. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3579. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3580. /* Set 20G KR2 force speed */
  3581. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3583. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3584. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3585. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3587. val &= ~(3<<14);
  3588. val |= (1<<15);
  3589. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3591. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3593. /* Enable sequencer (over lane 0) */
  3594. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3595. MDIO_AER_BLOCK_AER_REG, 0);
  3596. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3598. bnx2x_set_aer_mmd(params, phy);
  3599. }
  3600. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3601. struct bnx2x_phy *phy,
  3602. u16 lane)
  3603. {
  3604. /* Rx0 anaRxControl1G */
  3605. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3607. /* Rx2 anaRxControl1G */
  3608. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3610. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3611. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3612. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3613. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3614. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3615. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3616. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3617. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3618. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3619. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3620. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3621. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3622. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3623. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3624. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3625. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3626. /* Serdes Digital Misc1 */
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3629. /* Serdes Digital4 Misc3 */
  3630. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3631. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3632. /* Set Transmit PMD settings */
  3633. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3634. MDIO_WC_REG_TX_FIR_TAP,
  3635. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3636. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3637. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3639. WC_TX_DRIVER(0x02, 0x02, 0x02, 0));
  3640. }
  3641. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3642. struct link_params *params,
  3643. u8 fiber_mode,
  3644. u8 always_autoneg)
  3645. {
  3646. struct bnx2x *bp = params->bp;
  3647. u16 val16, digctrl_kx1, digctrl_kx2;
  3648. /* Clear XFI clock comp in non-10G single lane mode. */
  3649. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3650. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3651. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3652. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3653. /* SGMII Autoneg */
  3654. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3656. 0x1000);
  3657. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3658. } else {
  3659. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3660. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3661. val16 &= 0xcebf;
  3662. switch (phy->req_line_speed) {
  3663. case SPEED_10:
  3664. break;
  3665. case SPEED_100:
  3666. val16 |= 0x2000;
  3667. break;
  3668. case SPEED_1000:
  3669. val16 |= 0x0040;
  3670. break;
  3671. default:
  3672. DP(NETIF_MSG_LINK,
  3673. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3674. return;
  3675. }
  3676. if (phy->req_duplex == DUPLEX_FULL)
  3677. val16 |= 0x0100;
  3678. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3679. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3680. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3681. phy->req_line_speed);
  3682. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3683. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3684. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3685. }
  3686. /* SGMII Slave mode and disable signal detect */
  3687. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3688. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3689. if (fiber_mode)
  3690. digctrl_kx1 = 1;
  3691. else
  3692. digctrl_kx1 &= 0xff4a;
  3693. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3694. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3695. digctrl_kx1);
  3696. /* Turn off parallel detect */
  3697. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3698. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3699. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3700. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3701. (digctrl_kx2 & ~(1<<2)));
  3702. /* Re-enable parallel detect */
  3703. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3704. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3705. (digctrl_kx2 | (1<<2)));
  3706. /* Enable autodet */
  3707. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3708. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3709. (digctrl_kx1 | 0x10));
  3710. }
  3711. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3712. struct bnx2x_phy *phy,
  3713. u8 reset)
  3714. {
  3715. u16 val;
  3716. /* Take lane out of reset after configuration is finished */
  3717. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3718. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3719. if (reset)
  3720. val |= 0xC000;
  3721. else
  3722. val &= 0x3FFF;
  3723. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3724. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3725. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3726. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3727. }
  3728. /* Clear SFI/XFI link settings registers */
  3729. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3730. struct link_params *params,
  3731. u16 lane)
  3732. {
  3733. struct bnx2x *bp = params->bp;
  3734. u16 i;
  3735. static struct bnx2x_reg_set wc_regs[] = {
  3736. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3737. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3738. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3739. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3740. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3741. 0x0195},
  3742. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3743. 0x0007},
  3744. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3745. 0x0002},
  3746. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3747. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3748. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3749. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3750. };
  3751. /* Set XFI clock comp as default. */
  3752. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3753. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3754. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3755. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3756. wc_regs[i].val);
  3757. lane = bnx2x_get_warpcore_lane(phy, params);
  3758. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3759. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3760. }
  3761. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3762. u32 chip_id,
  3763. u32 shmem_base, u8 port,
  3764. u8 *gpio_num, u8 *gpio_port)
  3765. {
  3766. u32 cfg_pin;
  3767. *gpio_num = 0;
  3768. *gpio_port = 0;
  3769. if (CHIP_IS_E3(bp)) {
  3770. cfg_pin = (REG_RD(bp, shmem_base +
  3771. offsetof(struct shmem_region,
  3772. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3773. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3774. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3775. /* Should not happen. This function called upon interrupt
  3776. * triggered by GPIO ( since EPIO can only generate interrupts
  3777. * to MCP).
  3778. * So if this function was called and none of the GPIOs was set,
  3779. * it means the shit hit the fan.
  3780. */
  3781. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3782. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3783. DP(NETIF_MSG_LINK,
  3784. "No cfg pin %x for module detect indication\n",
  3785. cfg_pin);
  3786. return -EINVAL;
  3787. }
  3788. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3789. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3790. } else {
  3791. *gpio_num = MISC_REGISTERS_GPIO_3;
  3792. *gpio_port = port;
  3793. }
  3794. return 0;
  3795. }
  3796. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3797. struct link_params *params)
  3798. {
  3799. struct bnx2x *bp = params->bp;
  3800. u8 gpio_num, gpio_port;
  3801. u32 gpio_val;
  3802. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3803. params->shmem_base, params->port,
  3804. &gpio_num, &gpio_port) != 0)
  3805. return 0;
  3806. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3807. /* Call the handling function in case module is detected */
  3808. if (gpio_val == 0)
  3809. return 1;
  3810. else
  3811. return 0;
  3812. }
  3813. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3814. struct link_params *params)
  3815. {
  3816. u16 gp2_status_reg0, lane;
  3817. struct bnx2x *bp = params->bp;
  3818. lane = bnx2x_get_warpcore_lane(phy, params);
  3819. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3820. &gp2_status_reg0);
  3821. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3822. }
  3823. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3824. struct link_params *params,
  3825. struct link_vars *vars)
  3826. {
  3827. struct bnx2x *bp = params->bp;
  3828. u32 serdes_net_if;
  3829. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3830. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3831. if (!vars->turn_to_run_wc_rt)
  3832. return;
  3833. if (vars->rx_tx_asic_rst) {
  3834. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3835. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3836. offsetof(struct shmem_region, dev_info.
  3837. port_hw_config[params->port].default_cfg)) &
  3838. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3839. switch (serdes_net_if) {
  3840. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3841. /* Do we get link yet? */
  3842. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3843. &gp_status1);
  3844. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3845. /*10G KR*/
  3846. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3847. if (lnkup_kr || lnkup) {
  3848. vars->rx_tx_asic_rst = 0;
  3849. } else {
  3850. /* Reset the lane to see if link comes up.*/
  3851. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3852. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3853. /* Restart Autoneg */
  3854. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3855. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3856. vars->rx_tx_asic_rst--;
  3857. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3858. vars->rx_tx_asic_rst);
  3859. }
  3860. break;
  3861. default:
  3862. break;
  3863. }
  3864. } /*params->rx_tx_asic_rst*/
  3865. }
  3866. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3867. struct link_params *params)
  3868. {
  3869. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3870. struct bnx2x *bp = params->bp;
  3871. bnx2x_warpcore_clear_regs(phy, params, lane);
  3872. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3873. SPEED_10000) &&
  3874. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3875. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3876. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3877. } else {
  3878. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3879. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3880. }
  3881. }
  3882. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3883. struct bnx2x_phy *phy,
  3884. u8 tx_en)
  3885. {
  3886. struct bnx2x *bp = params->bp;
  3887. u32 cfg_pin;
  3888. u8 port = params->port;
  3889. cfg_pin = REG_RD(bp, params->shmem_base +
  3890. offsetof(struct shmem_region,
  3891. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3892. PORT_HW_CFG_E3_TX_LASER_MASK;
  3893. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3894. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3895. /* For 20G, the expected pin to be used is 3 pins after the current */
  3896. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3897. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3898. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3899. }
  3900. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3901. struct link_params *params,
  3902. struct link_vars *vars)
  3903. {
  3904. struct bnx2x *bp = params->bp;
  3905. u32 serdes_net_if;
  3906. u8 fiber_mode;
  3907. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3908. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3909. offsetof(struct shmem_region, dev_info.
  3910. port_hw_config[params->port].default_cfg)) &
  3911. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3912. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3913. "serdes_net_if = 0x%x\n",
  3914. vars->line_speed, serdes_net_if);
  3915. bnx2x_set_aer_mmd(params, phy);
  3916. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3917. vars->phy_flags |= PHY_XGXS_FLAG;
  3918. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3919. (phy->req_line_speed &&
  3920. ((phy->req_line_speed == SPEED_100) ||
  3921. (phy->req_line_speed == SPEED_10)))) {
  3922. vars->phy_flags |= PHY_SGMII_FLAG;
  3923. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3924. bnx2x_warpcore_clear_regs(phy, params, lane);
  3925. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3926. } else {
  3927. switch (serdes_net_if) {
  3928. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3929. /* Enable KR Auto Neg */
  3930. if (params->loopback_mode != LOOPBACK_EXT)
  3931. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3932. else {
  3933. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3934. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3935. }
  3936. break;
  3937. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3938. bnx2x_warpcore_clear_regs(phy, params, lane);
  3939. if (vars->line_speed == SPEED_10000) {
  3940. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3941. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3942. } else {
  3943. if (SINGLE_MEDIA_DIRECT(params)) {
  3944. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3945. fiber_mode = 1;
  3946. } else {
  3947. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3948. fiber_mode = 0;
  3949. }
  3950. bnx2x_warpcore_set_sgmii_speed(phy,
  3951. params,
  3952. fiber_mode,
  3953. 0);
  3954. }
  3955. break;
  3956. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3957. /* Issue Module detection if module is plugged, or
  3958. * enabled transmitter to avoid current leakage in case
  3959. * no module is connected
  3960. */
  3961. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3962. (params->loopback_mode == LOOPBACK_EXT)) {
  3963. if (bnx2x_is_sfp_module_plugged(phy, params))
  3964. bnx2x_sfp_module_detection(phy, params);
  3965. else
  3966. bnx2x_sfp_e3_set_transmitter(params,
  3967. phy, 1);
  3968. }
  3969. bnx2x_warpcore_config_sfi(phy, params);
  3970. break;
  3971. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3972. if (vars->line_speed != SPEED_20000) {
  3973. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3974. return;
  3975. }
  3976. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3977. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3978. /* Issue Module detection */
  3979. bnx2x_sfp_module_detection(phy, params);
  3980. break;
  3981. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3982. if (!params->loopback_mode) {
  3983. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3984. } else {
  3985. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3986. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3987. }
  3988. break;
  3989. default:
  3990. DP(NETIF_MSG_LINK,
  3991. "Unsupported Serdes Net Interface 0x%x\n",
  3992. serdes_net_if);
  3993. return;
  3994. }
  3995. }
  3996. /* Take lane out of reset after configuration is finished */
  3997. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3998. DP(NETIF_MSG_LINK, "Exit config init\n");
  3999. }
  4000. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  4001. struct link_params *params)
  4002. {
  4003. struct bnx2x *bp = params->bp;
  4004. u16 val16, lane;
  4005. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  4006. bnx2x_set_mdio_emac_per_phy(bp, params);
  4007. bnx2x_set_aer_mmd(params, phy);
  4008. /* Global register */
  4009. bnx2x_warpcore_reset_lane(bp, phy, 1);
  4010. /* Clear loopback settings (if any) */
  4011. /* 10G & 20G */
  4012. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4013. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  4014. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4015. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  4016. /* Update those 1-copy registers */
  4017. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4018. MDIO_AER_BLOCK_AER_REG, 0);
  4019. /* Enable 1G MDIO (1-copy) */
  4020. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4021. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4022. ~0x10);
  4023. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4024. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  4025. lane = bnx2x_get_warpcore_lane(phy, params);
  4026. /* Disable CL36 PCS Tx */
  4027. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4028. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4029. val16 |= (0x11 << lane);
  4030. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4031. val16 |= (0x22 << lane);
  4032. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4033. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4034. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4035. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4036. val16 &= ~(0x0303 << (lane << 1));
  4037. val16 |= (0x0101 << (lane << 1));
  4038. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4039. val16 &= ~(0x0c0c << (lane << 1));
  4040. val16 |= (0x0404 << (lane << 1));
  4041. }
  4042. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4043. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4044. /* Restore AER */
  4045. bnx2x_set_aer_mmd(params, phy);
  4046. }
  4047. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4048. struct link_params *params)
  4049. {
  4050. struct bnx2x *bp = params->bp;
  4051. u16 val16;
  4052. u32 lane;
  4053. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4054. params->loopback_mode, phy->req_line_speed);
  4055. if (phy->req_line_speed < SPEED_10000 ||
  4056. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4057. /* 10/100/1000/20G-KR2 */
  4058. /* Update those 1-copy registers */
  4059. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4060. MDIO_AER_BLOCK_AER_REG, 0);
  4061. /* Enable 1G MDIO (1-copy) */
  4062. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4063. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4064. 0x10);
  4065. /* Set 1G loopback based on lane (1-copy) */
  4066. lane = bnx2x_get_warpcore_lane(phy, params);
  4067. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4068. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4069. val16 |= (1<<lane);
  4070. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4071. val16 |= (2<<lane);
  4072. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4073. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4074. val16);
  4075. /* Switch back to 4-copy registers */
  4076. bnx2x_set_aer_mmd(params, phy);
  4077. } else {
  4078. /* 10G / 20G-DXGXS */
  4079. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4080. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4081. 0x4000);
  4082. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4083. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4084. }
  4085. }
  4086. static void bnx2x_sync_link(struct link_params *params,
  4087. struct link_vars *vars)
  4088. {
  4089. struct bnx2x *bp = params->bp;
  4090. u8 link_10g_plus;
  4091. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4092. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4093. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4094. if (vars->link_up) {
  4095. DP(NETIF_MSG_LINK, "phy link up\n");
  4096. vars->phy_link_up = 1;
  4097. vars->duplex = DUPLEX_FULL;
  4098. switch (vars->link_status &
  4099. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4100. case LINK_10THD:
  4101. vars->duplex = DUPLEX_HALF;
  4102. /* Fall thru */
  4103. case LINK_10TFD:
  4104. vars->line_speed = SPEED_10;
  4105. break;
  4106. case LINK_100TXHD:
  4107. vars->duplex = DUPLEX_HALF;
  4108. /* Fall thru */
  4109. case LINK_100T4:
  4110. case LINK_100TXFD:
  4111. vars->line_speed = SPEED_100;
  4112. break;
  4113. case LINK_1000THD:
  4114. vars->duplex = DUPLEX_HALF;
  4115. /* Fall thru */
  4116. case LINK_1000TFD:
  4117. vars->line_speed = SPEED_1000;
  4118. break;
  4119. case LINK_2500THD:
  4120. vars->duplex = DUPLEX_HALF;
  4121. /* Fall thru */
  4122. case LINK_2500TFD:
  4123. vars->line_speed = SPEED_2500;
  4124. break;
  4125. case LINK_10GTFD:
  4126. vars->line_speed = SPEED_10000;
  4127. break;
  4128. case LINK_20GTFD:
  4129. vars->line_speed = SPEED_20000;
  4130. break;
  4131. default:
  4132. break;
  4133. }
  4134. vars->flow_ctrl = 0;
  4135. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4136. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4137. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4138. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4139. if (!vars->flow_ctrl)
  4140. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4141. if (vars->line_speed &&
  4142. ((vars->line_speed == SPEED_10) ||
  4143. (vars->line_speed == SPEED_100))) {
  4144. vars->phy_flags |= PHY_SGMII_FLAG;
  4145. } else {
  4146. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4147. }
  4148. if (vars->line_speed &&
  4149. USES_WARPCORE(bp) &&
  4150. (vars->line_speed == SPEED_1000))
  4151. vars->phy_flags |= PHY_SGMII_FLAG;
  4152. /* Anything 10 and over uses the bmac */
  4153. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4154. if (link_10g_plus) {
  4155. if (USES_WARPCORE(bp))
  4156. vars->mac_type = MAC_TYPE_XMAC;
  4157. else
  4158. vars->mac_type = MAC_TYPE_BMAC;
  4159. } else {
  4160. if (USES_WARPCORE(bp))
  4161. vars->mac_type = MAC_TYPE_UMAC;
  4162. else
  4163. vars->mac_type = MAC_TYPE_EMAC;
  4164. }
  4165. } else { /* Link down */
  4166. DP(NETIF_MSG_LINK, "phy link down\n");
  4167. vars->phy_link_up = 0;
  4168. vars->line_speed = 0;
  4169. vars->duplex = DUPLEX_FULL;
  4170. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4171. /* Indicate no mac active */
  4172. vars->mac_type = MAC_TYPE_NONE;
  4173. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4174. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4175. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4176. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4177. }
  4178. }
  4179. void bnx2x_link_status_update(struct link_params *params,
  4180. struct link_vars *vars)
  4181. {
  4182. struct bnx2x *bp = params->bp;
  4183. u8 port = params->port;
  4184. u32 sync_offset, media_types;
  4185. /* Update PHY configuration */
  4186. set_phy_vars(params, vars);
  4187. vars->link_status = REG_RD(bp, params->shmem_base +
  4188. offsetof(struct shmem_region,
  4189. port_mb[port].link_status));
  4190. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4191. if (params->loopback_mode != LOOPBACK_NONE &&
  4192. params->loopback_mode != LOOPBACK_EXT)
  4193. vars->link_status |= LINK_STATUS_LINK_UP;
  4194. if (bnx2x_eee_has_cap(params))
  4195. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4196. offsetof(struct shmem2_region,
  4197. eee_status[params->port]));
  4198. vars->phy_flags = PHY_XGXS_FLAG;
  4199. bnx2x_sync_link(params, vars);
  4200. /* Sync media type */
  4201. sync_offset = params->shmem_base +
  4202. offsetof(struct shmem_region,
  4203. dev_info.port_hw_config[port].media_type);
  4204. media_types = REG_RD(bp, sync_offset);
  4205. params->phy[INT_PHY].media_type =
  4206. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4207. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4208. params->phy[EXT_PHY1].media_type =
  4209. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4210. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4211. params->phy[EXT_PHY2].media_type =
  4212. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4213. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4214. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4215. /* Sync AEU offset */
  4216. sync_offset = params->shmem_base +
  4217. offsetof(struct shmem_region,
  4218. dev_info.port_hw_config[port].aeu_int_mask);
  4219. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4220. /* Sync PFC status */
  4221. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4222. params->feature_config_flags |=
  4223. FEATURE_CONFIG_PFC_ENABLED;
  4224. else
  4225. params->feature_config_flags &=
  4226. ~FEATURE_CONFIG_PFC_ENABLED;
  4227. if (SHMEM2_HAS(bp, link_attr_sync))
  4228. params->link_attr_sync = SHMEM2_RD(bp,
  4229. link_attr_sync[params->port]);
  4230. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4231. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4232. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4233. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4234. }
  4235. static void bnx2x_set_master_ln(struct link_params *params,
  4236. struct bnx2x_phy *phy)
  4237. {
  4238. struct bnx2x *bp = params->bp;
  4239. u16 new_master_ln, ser_lane;
  4240. ser_lane = ((params->lane_config &
  4241. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4242. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4243. /* Set the master_ln for AN */
  4244. CL22_RD_OVER_CL45(bp, phy,
  4245. MDIO_REG_BANK_XGXS_BLOCK2,
  4246. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4247. &new_master_ln);
  4248. CL22_WR_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4250. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4251. (new_master_ln | ser_lane));
  4252. }
  4253. static int bnx2x_reset_unicore(struct link_params *params,
  4254. struct bnx2x_phy *phy,
  4255. u8 set_serdes)
  4256. {
  4257. struct bnx2x *bp = params->bp;
  4258. u16 mii_control;
  4259. u16 i;
  4260. CL22_RD_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_COMBO_IEEE0,
  4262. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4263. /* Reset the unicore */
  4264. CL22_WR_OVER_CL45(bp, phy,
  4265. MDIO_REG_BANK_COMBO_IEEE0,
  4266. MDIO_COMBO_IEEE0_MII_CONTROL,
  4267. (mii_control |
  4268. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4269. if (set_serdes)
  4270. bnx2x_set_serdes_access(bp, params->port);
  4271. /* Wait for the reset to self clear */
  4272. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4273. udelay(5);
  4274. /* The reset erased the previous bank value */
  4275. CL22_RD_OVER_CL45(bp, phy,
  4276. MDIO_REG_BANK_COMBO_IEEE0,
  4277. MDIO_COMBO_IEEE0_MII_CONTROL,
  4278. &mii_control);
  4279. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4280. udelay(5);
  4281. return 0;
  4282. }
  4283. }
  4284. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4285. " Port %d\n",
  4286. params->port);
  4287. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4288. return -EINVAL;
  4289. }
  4290. static void bnx2x_set_swap_lanes(struct link_params *params,
  4291. struct bnx2x_phy *phy)
  4292. {
  4293. struct bnx2x *bp = params->bp;
  4294. /* Each two bits represents a lane number:
  4295. * No swap is 0123 => 0x1b no need to enable the swap
  4296. */
  4297. u16 rx_lane_swap, tx_lane_swap;
  4298. rx_lane_swap = ((params->lane_config &
  4299. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4300. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4301. tx_lane_swap = ((params->lane_config &
  4302. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4303. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4304. if (rx_lane_swap != 0x1b) {
  4305. CL22_WR_OVER_CL45(bp, phy,
  4306. MDIO_REG_BANK_XGXS_BLOCK2,
  4307. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4308. (rx_lane_swap |
  4309. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4310. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4311. } else {
  4312. CL22_WR_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_XGXS_BLOCK2,
  4314. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4315. }
  4316. if (tx_lane_swap != 0x1b) {
  4317. CL22_WR_OVER_CL45(bp, phy,
  4318. MDIO_REG_BANK_XGXS_BLOCK2,
  4319. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4320. (tx_lane_swap |
  4321. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4322. } else {
  4323. CL22_WR_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_XGXS_BLOCK2,
  4325. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4326. }
  4327. }
  4328. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4329. struct link_params *params)
  4330. {
  4331. struct bnx2x *bp = params->bp;
  4332. u16 control2;
  4333. CL22_RD_OVER_CL45(bp, phy,
  4334. MDIO_REG_BANK_SERDES_DIGITAL,
  4335. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4336. &control2);
  4337. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4338. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4339. else
  4340. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4341. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4342. phy->speed_cap_mask, control2);
  4343. CL22_WR_OVER_CL45(bp, phy,
  4344. MDIO_REG_BANK_SERDES_DIGITAL,
  4345. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4346. control2);
  4347. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4348. (phy->speed_cap_mask &
  4349. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4350. DP(NETIF_MSG_LINK, "XGXS\n");
  4351. CL22_WR_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4353. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4354. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4355. CL22_RD_OVER_CL45(bp, phy,
  4356. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4357. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4358. &control2);
  4359. control2 |=
  4360. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4361. CL22_WR_OVER_CL45(bp, phy,
  4362. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4363. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4364. control2);
  4365. /* Disable parallel detection of HiG */
  4366. CL22_WR_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_XGXS_BLOCK2,
  4368. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4369. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4370. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4371. }
  4372. }
  4373. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4374. struct link_params *params,
  4375. struct link_vars *vars,
  4376. u8 enable_cl73)
  4377. {
  4378. struct bnx2x *bp = params->bp;
  4379. u16 reg_val;
  4380. /* CL37 Autoneg */
  4381. CL22_RD_OVER_CL45(bp, phy,
  4382. MDIO_REG_BANK_COMBO_IEEE0,
  4383. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4384. /* CL37 Autoneg Enabled */
  4385. if (vars->line_speed == SPEED_AUTO_NEG)
  4386. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4387. else /* CL37 Autoneg Disabled */
  4388. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4389. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4390. CL22_WR_OVER_CL45(bp, phy,
  4391. MDIO_REG_BANK_COMBO_IEEE0,
  4392. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4393. /* Enable/Disable Autodetection */
  4394. CL22_RD_OVER_CL45(bp, phy,
  4395. MDIO_REG_BANK_SERDES_DIGITAL,
  4396. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4397. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4398. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4399. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4400. if (vars->line_speed == SPEED_AUTO_NEG)
  4401. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4402. else
  4403. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4404. CL22_WR_OVER_CL45(bp, phy,
  4405. MDIO_REG_BANK_SERDES_DIGITAL,
  4406. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4407. /* Enable TetonII and BAM autoneg */
  4408. CL22_RD_OVER_CL45(bp, phy,
  4409. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4410. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4411. &reg_val);
  4412. if (vars->line_speed == SPEED_AUTO_NEG) {
  4413. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4414. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4415. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4416. } else {
  4417. /* TetonII and BAM Autoneg Disabled */
  4418. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4419. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4420. }
  4421. CL22_WR_OVER_CL45(bp, phy,
  4422. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4423. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4424. reg_val);
  4425. if (enable_cl73) {
  4426. /* Enable Cl73 FSM status bits */
  4427. CL22_WR_OVER_CL45(bp, phy,
  4428. MDIO_REG_BANK_CL73_USERB0,
  4429. MDIO_CL73_USERB0_CL73_UCTRL,
  4430. 0xe);
  4431. /* Enable BAM Station Manager*/
  4432. CL22_WR_OVER_CL45(bp, phy,
  4433. MDIO_REG_BANK_CL73_USERB0,
  4434. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4435. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4436. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4437. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4438. /* Advertise CL73 link speeds */
  4439. CL22_RD_OVER_CL45(bp, phy,
  4440. MDIO_REG_BANK_CL73_IEEEB1,
  4441. MDIO_CL73_IEEEB1_AN_ADV2,
  4442. &reg_val);
  4443. if (phy->speed_cap_mask &
  4444. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4445. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4446. if (phy->speed_cap_mask &
  4447. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4448. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4449. CL22_WR_OVER_CL45(bp, phy,
  4450. MDIO_REG_BANK_CL73_IEEEB1,
  4451. MDIO_CL73_IEEEB1_AN_ADV2,
  4452. reg_val);
  4453. /* CL73 Autoneg Enabled */
  4454. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4455. } else /* CL73 Autoneg Disabled */
  4456. reg_val = 0;
  4457. CL22_WR_OVER_CL45(bp, phy,
  4458. MDIO_REG_BANK_CL73_IEEEB0,
  4459. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4460. }
  4461. /* Program SerDes, forced speed */
  4462. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4463. struct link_params *params,
  4464. struct link_vars *vars)
  4465. {
  4466. struct bnx2x *bp = params->bp;
  4467. u16 reg_val;
  4468. /* Program duplex, disable autoneg and sgmii*/
  4469. CL22_RD_OVER_CL45(bp, phy,
  4470. MDIO_REG_BANK_COMBO_IEEE0,
  4471. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4472. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4473. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4474. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4475. if (phy->req_duplex == DUPLEX_FULL)
  4476. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4477. CL22_WR_OVER_CL45(bp, phy,
  4478. MDIO_REG_BANK_COMBO_IEEE0,
  4479. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4480. /* Program speed
  4481. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4482. */
  4483. CL22_RD_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_SERDES_DIGITAL,
  4485. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4486. /* Clearing the speed value before setting the right speed */
  4487. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4488. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4489. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4490. if (!((vars->line_speed == SPEED_1000) ||
  4491. (vars->line_speed == SPEED_100) ||
  4492. (vars->line_speed == SPEED_10))) {
  4493. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4494. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4495. if (vars->line_speed == SPEED_10000)
  4496. reg_val |=
  4497. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4498. }
  4499. CL22_WR_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_SERDES_DIGITAL,
  4501. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4502. }
  4503. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4504. struct link_params *params)
  4505. {
  4506. struct bnx2x *bp = params->bp;
  4507. u16 val = 0;
  4508. /* Set extended capabilities */
  4509. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4510. val |= MDIO_OVER_1G_UP1_2_5G;
  4511. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4512. val |= MDIO_OVER_1G_UP1_10G;
  4513. CL22_WR_OVER_CL45(bp, phy,
  4514. MDIO_REG_BANK_OVER_1G,
  4515. MDIO_OVER_1G_UP1, val);
  4516. CL22_WR_OVER_CL45(bp, phy,
  4517. MDIO_REG_BANK_OVER_1G,
  4518. MDIO_OVER_1G_UP3, 0x400);
  4519. }
  4520. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4521. struct link_params *params,
  4522. u16 ieee_fc)
  4523. {
  4524. struct bnx2x *bp = params->bp;
  4525. u16 val;
  4526. /* For AN, we are always publishing full duplex */
  4527. CL22_WR_OVER_CL45(bp, phy,
  4528. MDIO_REG_BANK_COMBO_IEEE0,
  4529. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4530. CL22_RD_OVER_CL45(bp, phy,
  4531. MDIO_REG_BANK_CL73_IEEEB1,
  4532. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4533. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4534. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4535. CL22_WR_OVER_CL45(bp, phy,
  4536. MDIO_REG_BANK_CL73_IEEEB1,
  4537. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4538. }
  4539. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4540. struct link_params *params,
  4541. u8 enable_cl73)
  4542. {
  4543. struct bnx2x *bp = params->bp;
  4544. u16 mii_control;
  4545. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4546. /* Enable and restart BAM/CL37 aneg */
  4547. if (enable_cl73) {
  4548. CL22_RD_OVER_CL45(bp, phy,
  4549. MDIO_REG_BANK_CL73_IEEEB0,
  4550. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4551. &mii_control);
  4552. CL22_WR_OVER_CL45(bp, phy,
  4553. MDIO_REG_BANK_CL73_IEEEB0,
  4554. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4555. (mii_control |
  4556. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4557. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4558. } else {
  4559. CL22_RD_OVER_CL45(bp, phy,
  4560. MDIO_REG_BANK_COMBO_IEEE0,
  4561. MDIO_COMBO_IEEE0_MII_CONTROL,
  4562. &mii_control);
  4563. DP(NETIF_MSG_LINK,
  4564. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4565. mii_control);
  4566. CL22_WR_OVER_CL45(bp, phy,
  4567. MDIO_REG_BANK_COMBO_IEEE0,
  4568. MDIO_COMBO_IEEE0_MII_CONTROL,
  4569. (mii_control |
  4570. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4571. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4572. }
  4573. }
  4574. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4575. struct link_params *params,
  4576. struct link_vars *vars)
  4577. {
  4578. struct bnx2x *bp = params->bp;
  4579. u16 control1;
  4580. /* In SGMII mode, the unicore is always slave */
  4581. CL22_RD_OVER_CL45(bp, phy,
  4582. MDIO_REG_BANK_SERDES_DIGITAL,
  4583. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4584. &control1);
  4585. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4586. /* Set sgmii mode (and not fiber) */
  4587. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4588. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4589. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4590. CL22_WR_OVER_CL45(bp, phy,
  4591. MDIO_REG_BANK_SERDES_DIGITAL,
  4592. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4593. control1);
  4594. /* If forced speed */
  4595. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4596. /* Set speed, disable autoneg */
  4597. u16 mii_control;
  4598. CL22_RD_OVER_CL45(bp, phy,
  4599. MDIO_REG_BANK_COMBO_IEEE0,
  4600. MDIO_COMBO_IEEE0_MII_CONTROL,
  4601. &mii_control);
  4602. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4603. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4604. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4605. switch (vars->line_speed) {
  4606. case SPEED_100:
  4607. mii_control |=
  4608. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4609. break;
  4610. case SPEED_1000:
  4611. mii_control |=
  4612. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4613. break;
  4614. case SPEED_10:
  4615. /* There is nothing to set for 10M */
  4616. break;
  4617. default:
  4618. /* Invalid speed for SGMII */
  4619. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4620. vars->line_speed);
  4621. break;
  4622. }
  4623. /* Setting the full duplex */
  4624. if (phy->req_duplex == DUPLEX_FULL)
  4625. mii_control |=
  4626. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4627. CL22_WR_OVER_CL45(bp, phy,
  4628. MDIO_REG_BANK_COMBO_IEEE0,
  4629. MDIO_COMBO_IEEE0_MII_CONTROL,
  4630. mii_control);
  4631. } else { /* AN mode */
  4632. /* Enable and restart AN */
  4633. bnx2x_restart_autoneg(phy, params, 0);
  4634. }
  4635. }
  4636. /* Link management
  4637. */
  4638. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4639. struct link_params *params)
  4640. {
  4641. struct bnx2x *bp = params->bp;
  4642. u16 pd_10g, status2_1000x;
  4643. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4644. return 0;
  4645. CL22_RD_OVER_CL45(bp, phy,
  4646. MDIO_REG_BANK_SERDES_DIGITAL,
  4647. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4648. &status2_1000x);
  4649. CL22_RD_OVER_CL45(bp, phy,
  4650. MDIO_REG_BANK_SERDES_DIGITAL,
  4651. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4652. &status2_1000x);
  4653. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4654. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4655. params->port);
  4656. return 1;
  4657. }
  4658. CL22_RD_OVER_CL45(bp, phy,
  4659. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4660. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4661. &pd_10g);
  4662. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4663. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4664. params->port);
  4665. return 1;
  4666. }
  4667. return 0;
  4668. }
  4669. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4670. struct link_params *params,
  4671. struct link_vars *vars,
  4672. u32 gp_status)
  4673. {
  4674. u16 ld_pause; /* local driver */
  4675. u16 lp_pause; /* link partner */
  4676. u16 pause_result;
  4677. struct bnx2x *bp = params->bp;
  4678. if ((gp_status &
  4679. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4680. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4681. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4682. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4683. CL22_RD_OVER_CL45(bp, phy,
  4684. MDIO_REG_BANK_CL73_IEEEB1,
  4685. MDIO_CL73_IEEEB1_AN_ADV1,
  4686. &ld_pause);
  4687. CL22_RD_OVER_CL45(bp, phy,
  4688. MDIO_REG_BANK_CL73_IEEEB1,
  4689. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4690. &lp_pause);
  4691. pause_result = (ld_pause &
  4692. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4693. pause_result |= (lp_pause &
  4694. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4695. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4696. } else {
  4697. CL22_RD_OVER_CL45(bp, phy,
  4698. MDIO_REG_BANK_COMBO_IEEE0,
  4699. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4700. &ld_pause);
  4701. CL22_RD_OVER_CL45(bp, phy,
  4702. MDIO_REG_BANK_COMBO_IEEE0,
  4703. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4704. &lp_pause);
  4705. pause_result = (ld_pause &
  4706. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4707. pause_result |= (lp_pause &
  4708. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4709. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4710. }
  4711. bnx2x_pause_resolve(vars, pause_result);
  4712. }
  4713. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4714. struct link_params *params,
  4715. struct link_vars *vars,
  4716. u32 gp_status)
  4717. {
  4718. struct bnx2x *bp = params->bp;
  4719. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4720. /* Resolve from gp_status in case of AN complete and not sgmii */
  4721. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4722. /* Update the advertised flow-controled of LD/LP in AN */
  4723. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4724. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4725. /* But set the flow-control result as the requested one */
  4726. vars->flow_ctrl = phy->req_flow_ctrl;
  4727. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4728. vars->flow_ctrl = params->req_fc_auto_adv;
  4729. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4730. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4731. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4732. vars->flow_ctrl = params->req_fc_auto_adv;
  4733. return;
  4734. }
  4735. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4736. }
  4737. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4738. }
  4739. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4740. struct link_params *params)
  4741. {
  4742. struct bnx2x *bp = params->bp;
  4743. u16 rx_status, ustat_val, cl37_fsm_received;
  4744. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4745. /* Step 1: Make sure signal is detected */
  4746. CL22_RD_OVER_CL45(bp, phy,
  4747. MDIO_REG_BANK_RX0,
  4748. MDIO_RX0_RX_STATUS,
  4749. &rx_status);
  4750. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4751. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4752. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4753. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4754. CL22_WR_OVER_CL45(bp, phy,
  4755. MDIO_REG_BANK_CL73_IEEEB0,
  4756. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4757. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4758. return;
  4759. }
  4760. /* Step 2: Check CL73 state machine */
  4761. CL22_RD_OVER_CL45(bp, phy,
  4762. MDIO_REG_BANK_CL73_USERB0,
  4763. MDIO_CL73_USERB0_CL73_USTAT1,
  4764. &ustat_val);
  4765. if ((ustat_val &
  4766. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4767. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4768. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4769. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4770. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4771. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4772. return;
  4773. }
  4774. /* Step 3: Check CL37 Message Pages received to indicate LP
  4775. * supports only CL37
  4776. */
  4777. CL22_RD_OVER_CL45(bp, phy,
  4778. MDIO_REG_BANK_REMOTE_PHY,
  4779. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4780. &cl37_fsm_received);
  4781. if ((cl37_fsm_received &
  4782. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4783. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4784. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4785. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4786. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4787. "misc_rx_status(0x8330) = 0x%x\n",
  4788. cl37_fsm_received);
  4789. return;
  4790. }
  4791. /* The combined cl37/cl73 fsm state information indicating that
  4792. * we are connected to a device which does not support cl73, but
  4793. * does support cl37 BAM. In this case we disable cl73 and
  4794. * restart cl37 auto-neg
  4795. */
  4796. /* Disable CL73 */
  4797. CL22_WR_OVER_CL45(bp, phy,
  4798. MDIO_REG_BANK_CL73_IEEEB0,
  4799. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4800. 0);
  4801. /* Restart CL37 autoneg */
  4802. bnx2x_restart_autoneg(phy, params, 0);
  4803. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4804. }
  4805. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4806. struct link_params *params,
  4807. struct link_vars *vars,
  4808. u32 gp_status)
  4809. {
  4810. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4811. vars->link_status |=
  4812. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4813. if (bnx2x_direct_parallel_detect_used(phy, params))
  4814. vars->link_status |=
  4815. LINK_STATUS_PARALLEL_DETECTION_USED;
  4816. }
  4817. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4818. struct link_params *params,
  4819. struct link_vars *vars,
  4820. u16 is_link_up,
  4821. u16 speed_mask,
  4822. u16 is_duplex)
  4823. {
  4824. struct bnx2x *bp = params->bp;
  4825. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4826. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4827. if (is_link_up) {
  4828. DP(NETIF_MSG_LINK, "phy link up\n");
  4829. vars->phy_link_up = 1;
  4830. vars->link_status |= LINK_STATUS_LINK_UP;
  4831. switch (speed_mask) {
  4832. case GP_STATUS_10M:
  4833. vars->line_speed = SPEED_10;
  4834. if (is_duplex == DUPLEX_FULL)
  4835. vars->link_status |= LINK_10TFD;
  4836. else
  4837. vars->link_status |= LINK_10THD;
  4838. break;
  4839. case GP_STATUS_100M:
  4840. vars->line_speed = SPEED_100;
  4841. if (is_duplex == DUPLEX_FULL)
  4842. vars->link_status |= LINK_100TXFD;
  4843. else
  4844. vars->link_status |= LINK_100TXHD;
  4845. break;
  4846. case GP_STATUS_1G:
  4847. case GP_STATUS_1G_KX:
  4848. vars->line_speed = SPEED_1000;
  4849. if (is_duplex == DUPLEX_FULL)
  4850. vars->link_status |= LINK_1000TFD;
  4851. else
  4852. vars->link_status |= LINK_1000THD;
  4853. break;
  4854. case GP_STATUS_2_5G:
  4855. vars->line_speed = SPEED_2500;
  4856. if (is_duplex == DUPLEX_FULL)
  4857. vars->link_status |= LINK_2500TFD;
  4858. else
  4859. vars->link_status |= LINK_2500THD;
  4860. break;
  4861. case GP_STATUS_5G:
  4862. case GP_STATUS_6G:
  4863. DP(NETIF_MSG_LINK,
  4864. "link speed unsupported gp_status 0x%x\n",
  4865. speed_mask);
  4866. return -EINVAL;
  4867. case GP_STATUS_10G_KX4:
  4868. case GP_STATUS_10G_HIG:
  4869. case GP_STATUS_10G_CX4:
  4870. case GP_STATUS_10G_KR:
  4871. case GP_STATUS_10G_SFI:
  4872. case GP_STATUS_10G_XFI:
  4873. vars->line_speed = SPEED_10000;
  4874. vars->link_status |= LINK_10GTFD;
  4875. break;
  4876. case GP_STATUS_20G_DXGXS:
  4877. case GP_STATUS_20G_KR2:
  4878. vars->line_speed = SPEED_20000;
  4879. vars->link_status |= LINK_20GTFD;
  4880. break;
  4881. default:
  4882. DP(NETIF_MSG_LINK,
  4883. "link speed unsupported gp_status 0x%x\n",
  4884. speed_mask);
  4885. return -EINVAL;
  4886. }
  4887. } else { /* link_down */
  4888. DP(NETIF_MSG_LINK, "phy link down\n");
  4889. vars->phy_link_up = 0;
  4890. vars->duplex = DUPLEX_FULL;
  4891. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4892. vars->mac_type = MAC_TYPE_NONE;
  4893. }
  4894. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4895. vars->phy_link_up, vars->line_speed);
  4896. return 0;
  4897. }
  4898. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4899. struct link_params *params,
  4900. struct link_vars *vars)
  4901. {
  4902. struct bnx2x *bp = params->bp;
  4903. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4904. int rc = 0;
  4905. /* Read gp_status */
  4906. CL22_RD_OVER_CL45(bp, phy,
  4907. MDIO_REG_BANK_GP_STATUS,
  4908. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4909. &gp_status);
  4910. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4911. duplex = DUPLEX_FULL;
  4912. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4913. link_up = 1;
  4914. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4915. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4916. gp_status, link_up, speed_mask);
  4917. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4918. duplex);
  4919. if (rc == -EINVAL)
  4920. return rc;
  4921. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4922. if (SINGLE_MEDIA_DIRECT(params)) {
  4923. vars->duplex = duplex;
  4924. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4925. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4926. bnx2x_xgxs_an_resolve(phy, params, vars,
  4927. gp_status);
  4928. }
  4929. } else { /* Link_down */
  4930. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4931. SINGLE_MEDIA_DIRECT(params)) {
  4932. /* Check signal is detected */
  4933. bnx2x_check_fallback_to_cl37(phy, params);
  4934. }
  4935. }
  4936. /* Read LP advertised speeds*/
  4937. if (SINGLE_MEDIA_DIRECT(params) &&
  4938. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4939. u16 val;
  4940. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4941. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4942. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4943. vars->link_status |=
  4944. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4945. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4946. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4947. vars->link_status |=
  4948. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4949. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4950. MDIO_OVER_1G_LP_UP1, &val);
  4951. if (val & MDIO_OVER_1G_UP1_2_5G)
  4952. vars->link_status |=
  4953. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4954. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4955. vars->link_status |=
  4956. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4957. }
  4958. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4959. vars->duplex, vars->flow_ctrl, vars->link_status);
  4960. return rc;
  4961. }
  4962. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4963. struct link_params *params,
  4964. struct link_vars *vars)
  4965. {
  4966. struct bnx2x *bp = params->bp;
  4967. u8 lane;
  4968. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4969. int rc = 0;
  4970. lane = bnx2x_get_warpcore_lane(phy, params);
  4971. /* Read gp_status */
  4972. if ((params->loopback_mode) &&
  4973. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4974. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4975. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4976. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4977. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4978. link_up &= 0x1;
  4979. } else if ((phy->req_line_speed > SPEED_10000) &&
  4980. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4981. u16 temp_link_up;
  4982. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4983. 1, &temp_link_up);
  4984. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4985. 1, &link_up);
  4986. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4987. temp_link_up, link_up);
  4988. link_up &= (1<<2);
  4989. if (link_up)
  4990. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4991. } else {
  4992. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4993. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4994. &gp_status1);
  4995. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4996. /* Check for either KR, 1G, or AN up. */
  4997. link_up = ((gp_status1 >> 8) |
  4998. (gp_status1 >> 12) |
  4999. (gp_status1)) &
  5000. (1 << lane);
  5001. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  5002. u16 an_link;
  5003. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5004. MDIO_AN_REG_STATUS, &an_link);
  5005. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5006. MDIO_AN_REG_STATUS, &an_link);
  5007. link_up |= (an_link & (1<<2));
  5008. }
  5009. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  5010. u16 pd, gp_status4;
  5011. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  5012. /* Check Autoneg complete */
  5013. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5014. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  5015. &gp_status4);
  5016. if (gp_status4 & ((1<<12)<<lane))
  5017. vars->link_status |=
  5018. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5019. /* Check parallel detect used */
  5020. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5021. MDIO_WC_REG_PAR_DET_10G_STATUS,
  5022. &pd);
  5023. if (pd & (1<<15))
  5024. vars->link_status |=
  5025. LINK_STATUS_PARALLEL_DETECTION_USED;
  5026. }
  5027. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5028. vars->duplex = duplex;
  5029. }
  5030. }
  5031. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5032. SINGLE_MEDIA_DIRECT(params)) {
  5033. u16 val;
  5034. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5035. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5036. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5037. vars->link_status |=
  5038. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5039. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5040. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5041. vars->link_status |=
  5042. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5043. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5044. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5045. if (val & MDIO_OVER_1G_UP1_2_5G)
  5046. vars->link_status |=
  5047. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5048. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5049. vars->link_status |=
  5050. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5051. }
  5052. if (lane < 2) {
  5053. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5054. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5055. } else {
  5056. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5057. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5058. }
  5059. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5060. if ((lane & 1) == 0)
  5061. gp_speed <<= 8;
  5062. gp_speed &= 0x3f00;
  5063. link_up = !!link_up;
  5064. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5065. duplex);
  5066. /* In case of KR link down, start up the recovering procedure */
  5067. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5068. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5069. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5070. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5071. vars->duplex, vars->flow_ctrl, vars->link_status);
  5072. return rc;
  5073. }
  5074. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5075. {
  5076. struct bnx2x *bp = params->bp;
  5077. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5078. u16 lp_up2;
  5079. u16 tx_driver;
  5080. u16 bank;
  5081. /* Read precomp */
  5082. CL22_RD_OVER_CL45(bp, phy,
  5083. MDIO_REG_BANK_OVER_1G,
  5084. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5085. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5086. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5087. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5088. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5089. if (lp_up2 == 0)
  5090. return;
  5091. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5092. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5093. CL22_RD_OVER_CL45(bp, phy,
  5094. bank,
  5095. MDIO_TX0_TX_DRIVER, &tx_driver);
  5096. /* Replace tx_driver bits [15:12] */
  5097. if (lp_up2 !=
  5098. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5099. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5100. tx_driver |= lp_up2;
  5101. CL22_WR_OVER_CL45(bp, phy,
  5102. bank,
  5103. MDIO_TX0_TX_DRIVER, tx_driver);
  5104. }
  5105. }
  5106. }
  5107. static int bnx2x_emac_program(struct link_params *params,
  5108. struct link_vars *vars)
  5109. {
  5110. struct bnx2x *bp = params->bp;
  5111. u8 port = params->port;
  5112. u16 mode = 0;
  5113. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5114. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5115. EMAC_REG_EMAC_MODE,
  5116. (EMAC_MODE_25G_MODE |
  5117. EMAC_MODE_PORT_MII_10M |
  5118. EMAC_MODE_HALF_DUPLEX));
  5119. switch (vars->line_speed) {
  5120. case SPEED_10:
  5121. mode |= EMAC_MODE_PORT_MII_10M;
  5122. break;
  5123. case SPEED_100:
  5124. mode |= EMAC_MODE_PORT_MII;
  5125. break;
  5126. case SPEED_1000:
  5127. mode |= EMAC_MODE_PORT_GMII;
  5128. break;
  5129. case SPEED_2500:
  5130. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5131. break;
  5132. default:
  5133. /* 10G not valid for EMAC */
  5134. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5135. vars->line_speed);
  5136. return -EINVAL;
  5137. }
  5138. if (vars->duplex == DUPLEX_HALF)
  5139. mode |= EMAC_MODE_HALF_DUPLEX;
  5140. bnx2x_bits_en(bp,
  5141. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5142. mode);
  5143. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5144. return 0;
  5145. }
  5146. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5147. struct link_params *params)
  5148. {
  5149. u16 bank, i = 0;
  5150. struct bnx2x *bp = params->bp;
  5151. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5152. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5153. CL22_WR_OVER_CL45(bp, phy,
  5154. bank,
  5155. MDIO_RX0_RX_EQ_BOOST,
  5156. phy->rx_preemphasis[i]);
  5157. }
  5158. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5159. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5160. CL22_WR_OVER_CL45(bp, phy,
  5161. bank,
  5162. MDIO_TX0_TX_DRIVER,
  5163. phy->tx_preemphasis[i]);
  5164. }
  5165. }
  5166. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5167. struct link_params *params,
  5168. struct link_vars *vars)
  5169. {
  5170. struct bnx2x *bp = params->bp;
  5171. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5172. (params->loopback_mode == LOOPBACK_XGXS));
  5173. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5174. if (SINGLE_MEDIA_DIRECT(params) &&
  5175. (params->feature_config_flags &
  5176. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5177. bnx2x_set_preemphasis(phy, params);
  5178. /* Forced speed requested? */
  5179. if (vars->line_speed != SPEED_AUTO_NEG ||
  5180. (SINGLE_MEDIA_DIRECT(params) &&
  5181. params->loopback_mode == LOOPBACK_EXT)) {
  5182. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5183. /* Disable autoneg */
  5184. bnx2x_set_autoneg(phy, params, vars, 0);
  5185. /* Program speed and duplex */
  5186. bnx2x_program_serdes(phy, params, vars);
  5187. } else { /* AN_mode */
  5188. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5189. /* AN enabled */
  5190. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5191. /* Program duplex & pause advertisement (for aneg) */
  5192. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5193. vars->ieee_fc);
  5194. /* Enable autoneg */
  5195. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5196. /* Enable and restart AN */
  5197. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5198. }
  5199. } else { /* SGMII mode */
  5200. DP(NETIF_MSG_LINK, "SGMII\n");
  5201. bnx2x_initialize_sgmii_process(phy, params, vars);
  5202. }
  5203. }
  5204. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5205. struct link_params *params,
  5206. struct link_vars *vars)
  5207. {
  5208. int rc;
  5209. vars->phy_flags |= PHY_XGXS_FLAG;
  5210. if ((phy->req_line_speed &&
  5211. ((phy->req_line_speed == SPEED_100) ||
  5212. (phy->req_line_speed == SPEED_10))) ||
  5213. (!phy->req_line_speed &&
  5214. (phy->speed_cap_mask >=
  5215. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5216. (phy->speed_cap_mask <
  5217. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5218. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5219. vars->phy_flags |= PHY_SGMII_FLAG;
  5220. else
  5221. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5222. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5223. bnx2x_set_aer_mmd(params, phy);
  5224. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5225. bnx2x_set_master_ln(params, phy);
  5226. rc = bnx2x_reset_unicore(params, phy, 0);
  5227. /* Reset the SerDes and wait for reset bit return low */
  5228. if (rc)
  5229. return rc;
  5230. bnx2x_set_aer_mmd(params, phy);
  5231. /* Setting the masterLn_def again after the reset */
  5232. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5233. bnx2x_set_master_ln(params, phy);
  5234. bnx2x_set_swap_lanes(params, phy);
  5235. }
  5236. return rc;
  5237. }
  5238. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5239. struct bnx2x_phy *phy,
  5240. struct link_params *params)
  5241. {
  5242. u16 cnt, ctrl;
  5243. /* Wait for soft reset to get cleared up to 1 sec */
  5244. for (cnt = 0; cnt < 1000; cnt++) {
  5245. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5246. bnx2x_cl22_read(bp, phy,
  5247. MDIO_PMA_REG_CTRL, &ctrl);
  5248. else
  5249. bnx2x_cl45_read(bp, phy,
  5250. MDIO_PMA_DEVAD,
  5251. MDIO_PMA_REG_CTRL, &ctrl);
  5252. if (!(ctrl & (1<<15)))
  5253. break;
  5254. usleep_range(1000, 2000);
  5255. }
  5256. if (cnt == 1000)
  5257. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5258. " Port %d\n",
  5259. params->port);
  5260. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5261. return cnt;
  5262. }
  5263. static void bnx2x_link_int_enable(struct link_params *params)
  5264. {
  5265. u8 port = params->port;
  5266. u32 mask;
  5267. struct bnx2x *bp = params->bp;
  5268. /* Setting the status to report on link up for either XGXS or SerDes */
  5269. if (CHIP_IS_E3(bp)) {
  5270. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5271. if (!(SINGLE_MEDIA_DIRECT(params)))
  5272. mask |= NIG_MASK_MI_INT;
  5273. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5274. mask = (NIG_MASK_XGXS0_LINK10G |
  5275. NIG_MASK_XGXS0_LINK_STATUS);
  5276. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5277. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5278. params->phy[INT_PHY].type !=
  5279. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5280. mask |= NIG_MASK_MI_INT;
  5281. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5282. }
  5283. } else { /* SerDes */
  5284. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5285. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5286. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5287. params->phy[INT_PHY].type !=
  5288. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5289. mask |= NIG_MASK_MI_INT;
  5290. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5291. }
  5292. }
  5293. bnx2x_bits_en(bp,
  5294. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5295. mask);
  5296. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5297. (params->switch_cfg == SWITCH_CFG_10G),
  5298. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5299. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5300. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5301. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5302. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5303. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5304. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5305. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5306. }
  5307. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5308. u8 exp_mi_int)
  5309. {
  5310. u32 latch_status = 0;
  5311. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5312. * status register. Link down indication is high-active-signal,
  5313. * so in this case we need to write the status to clear the XOR
  5314. */
  5315. /* Read Latched signals */
  5316. latch_status = REG_RD(bp,
  5317. NIG_REG_LATCH_STATUS_0 + port*8);
  5318. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5319. /* Handle only those with latched-signal=up.*/
  5320. if (exp_mi_int)
  5321. bnx2x_bits_en(bp,
  5322. NIG_REG_STATUS_INTERRUPT_PORT0
  5323. + port*4,
  5324. NIG_STATUS_EMAC0_MI_INT);
  5325. else
  5326. bnx2x_bits_dis(bp,
  5327. NIG_REG_STATUS_INTERRUPT_PORT0
  5328. + port*4,
  5329. NIG_STATUS_EMAC0_MI_INT);
  5330. if (latch_status & 1) {
  5331. /* For all latched-signal=up : Re-Arm Latch signals */
  5332. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5333. (latch_status & 0xfffe) | (latch_status & 1));
  5334. }
  5335. /* For all latched-signal=up,Write original_signal to status */
  5336. }
  5337. static void bnx2x_link_int_ack(struct link_params *params,
  5338. struct link_vars *vars, u8 is_10g_plus)
  5339. {
  5340. struct bnx2x *bp = params->bp;
  5341. u8 port = params->port;
  5342. u32 mask;
  5343. /* First reset all status we assume only one line will be
  5344. * change at a time
  5345. */
  5346. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5347. (NIG_STATUS_XGXS0_LINK10G |
  5348. NIG_STATUS_XGXS0_LINK_STATUS |
  5349. NIG_STATUS_SERDES0_LINK_STATUS));
  5350. if (vars->phy_link_up) {
  5351. if (USES_WARPCORE(bp))
  5352. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5353. else {
  5354. if (is_10g_plus)
  5355. mask = NIG_STATUS_XGXS0_LINK10G;
  5356. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5357. /* Disable the link interrupt by writing 1 to
  5358. * the relevant lane in the status register
  5359. */
  5360. u32 ser_lane =
  5361. ((params->lane_config &
  5362. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5363. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5364. mask = ((1 << ser_lane) <<
  5365. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5366. } else
  5367. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5368. }
  5369. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5370. mask);
  5371. bnx2x_bits_en(bp,
  5372. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5373. mask);
  5374. }
  5375. }
  5376. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5377. {
  5378. u8 *str_ptr = str;
  5379. u32 mask = 0xf0000000;
  5380. u8 shift = 8*4;
  5381. u8 digit;
  5382. u8 remove_leading_zeros = 1;
  5383. if (*len < 10) {
  5384. /* Need more than 10chars for this format */
  5385. *str_ptr = '\0';
  5386. (*len)--;
  5387. return -EINVAL;
  5388. }
  5389. while (shift > 0) {
  5390. shift -= 4;
  5391. digit = ((num & mask) >> shift);
  5392. if (digit == 0 && remove_leading_zeros) {
  5393. mask = mask >> 4;
  5394. continue;
  5395. } else if (digit < 0xa)
  5396. *str_ptr = digit + '0';
  5397. else
  5398. *str_ptr = digit - 0xa + 'a';
  5399. remove_leading_zeros = 0;
  5400. str_ptr++;
  5401. (*len)--;
  5402. mask = mask >> 4;
  5403. if (shift == 4*4) {
  5404. *str_ptr = '.';
  5405. str_ptr++;
  5406. (*len)--;
  5407. remove_leading_zeros = 1;
  5408. }
  5409. }
  5410. return 0;
  5411. }
  5412. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5413. {
  5414. str[0] = '\0';
  5415. (*len)--;
  5416. return 0;
  5417. }
  5418. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5419. u16 len)
  5420. {
  5421. struct bnx2x *bp;
  5422. u32 spirom_ver = 0;
  5423. int status = 0;
  5424. u8 *ver_p = version;
  5425. u16 remain_len = len;
  5426. if (version == NULL || params == NULL)
  5427. return -EINVAL;
  5428. bp = params->bp;
  5429. /* Extract first external phy*/
  5430. version[0] = '\0';
  5431. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5432. if (params->phy[EXT_PHY1].format_fw_ver) {
  5433. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5434. ver_p,
  5435. &remain_len);
  5436. ver_p += (len - remain_len);
  5437. }
  5438. if ((params->num_phys == MAX_PHYS) &&
  5439. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5440. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5441. if (params->phy[EXT_PHY2].format_fw_ver) {
  5442. *ver_p = '/';
  5443. ver_p++;
  5444. remain_len--;
  5445. status |= params->phy[EXT_PHY2].format_fw_ver(
  5446. spirom_ver,
  5447. ver_p,
  5448. &remain_len);
  5449. ver_p = version + (len - remain_len);
  5450. }
  5451. }
  5452. *ver_p = '\0';
  5453. return status;
  5454. }
  5455. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5456. struct link_params *params)
  5457. {
  5458. u8 port = params->port;
  5459. struct bnx2x *bp = params->bp;
  5460. if (phy->req_line_speed != SPEED_1000) {
  5461. u32 md_devad = 0;
  5462. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5463. if (!CHIP_IS_E3(bp)) {
  5464. /* Change the uni_phy_addr in the nig */
  5465. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5466. port*0x18));
  5467. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5468. 0x5);
  5469. }
  5470. bnx2x_cl45_write(bp, phy,
  5471. 5,
  5472. (MDIO_REG_BANK_AER_BLOCK +
  5473. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5474. 0x2800);
  5475. bnx2x_cl45_write(bp, phy,
  5476. 5,
  5477. (MDIO_REG_BANK_CL73_IEEEB0 +
  5478. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5479. 0x6041);
  5480. msleep(200);
  5481. /* Set aer mmd back */
  5482. bnx2x_set_aer_mmd(params, phy);
  5483. if (!CHIP_IS_E3(bp)) {
  5484. /* And md_devad */
  5485. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5486. md_devad);
  5487. }
  5488. } else {
  5489. u16 mii_ctrl;
  5490. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5491. bnx2x_cl45_read(bp, phy, 5,
  5492. (MDIO_REG_BANK_COMBO_IEEE0 +
  5493. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5494. &mii_ctrl);
  5495. bnx2x_cl45_write(bp, phy, 5,
  5496. (MDIO_REG_BANK_COMBO_IEEE0 +
  5497. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5498. mii_ctrl |
  5499. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5500. }
  5501. }
  5502. int bnx2x_set_led(struct link_params *params,
  5503. struct link_vars *vars, u8 mode, u32 speed)
  5504. {
  5505. u8 port = params->port;
  5506. u16 hw_led_mode = params->hw_led_mode;
  5507. int rc = 0;
  5508. u8 phy_idx;
  5509. u32 tmp;
  5510. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5511. struct bnx2x *bp = params->bp;
  5512. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5513. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5514. speed, hw_led_mode);
  5515. /* In case */
  5516. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5517. if (params->phy[phy_idx].set_link_led) {
  5518. params->phy[phy_idx].set_link_led(
  5519. &params->phy[phy_idx], params, mode);
  5520. }
  5521. }
  5522. switch (mode) {
  5523. case LED_MODE_FRONT_PANEL_OFF:
  5524. case LED_MODE_OFF:
  5525. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5526. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5527. SHARED_HW_CFG_LED_MAC1);
  5528. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5529. if (params->phy[EXT_PHY1].type ==
  5530. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5531. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5532. EMAC_LED_100MB_OVERRIDE |
  5533. EMAC_LED_10MB_OVERRIDE);
  5534. else
  5535. tmp |= EMAC_LED_OVERRIDE;
  5536. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5537. break;
  5538. case LED_MODE_OPER:
  5539. /* For all other phys, OPER mode is same as ON, so in case
  5540. * link is down, do nothing
  5541. */
  5542. if (!vars->link_up)
  5543. break;
  5544. case LED_MODE_ON:
  5545. if (((params->phy[EXT_PHY1].type ==
  5546. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5547. (params->phy[EXT_PHY1].type ==
  5548. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5549. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5550. /* This is a work-around for E2+8727 Configurations */
  5551. if (mode == LED_MODE_ON ||
  5552. speed == SPEED_10000){
  5553. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5554. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5555. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5556. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5557. (tmp | EMAC_LED_OVERRIDE));
  5558. /* Return here without enabling traffic
  5559. * LED blink and setting rate in ON mode.
  5560. * In oper mode, enabling LED blink
  5561. * and setting rate is needed.
  5562. */
  5563. if (mode == LED_MODE_ON)
  5564. return rc;
  5565. }
  5566. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5567. /* This is a work-around for HW issue found when link
  5568. * is up in CL73
  5569. */
  5570. if ((!CHIP_IS_E3(bp)) ||
  5571. (CHIP_IS_E3(bp) &&
  5572. mode == LED_MODE_ON))
  5573. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5574. if (CHIP_IS_E1x(bp) ||
  5575. CHIP_IS_E2(bp) ||
  5576. (mode == LED_MODE_ON))
  5577. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5578. else
  5579. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5580. hw_led_mode);
  5581. } else if ((params->phy[EXT_PHY1].type ==
  5582. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5583. (mode == LED_MODE_ON)) {
  5584. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5585. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5586. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5587. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5588. /* Break here; otherwise, it'll disable the
  5589. * intended override.
  5590. */
  5591. break;
  5592. } else {
  5593. u32 nig_led_mode = ((params->hw_led_mode <<
  5594. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5595. SHARED_HW_CFG_LED_EXTPHY2) ?
  5596. (SHARED_HW_CFG_LED_PHY1 >>
  5597. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5598. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5599. nig_led_mode);
  5600. }
  5601. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5602. /* Set blinking rate to ~15.9Hz */
  5603. if (CHIP_IS_E3(bp))
  5604. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5605. LED_BLINK_RATE_VAL_E3);
  5606. else
  5607. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5608. LED_BLINK_RATE_VAL_E1X_E2);
  5609. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5610. port*4, 1);
  5611. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5612. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5613. (tmp & (~EMAC_LED_OVERRIDE)));
  5614. if (CHIP_IS_E1(bp) &&
  5615. ((speed == SPEED_2500) ||
  5616. (speed == SPEED_1000) ||
  5617. (speed == SPEED_100) ||
  5618. (speed == SPEED_10))) {
  5619. /* For speeds less than 10G LED scheme is different */
  5620. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5621. + port*4, 1);
  5622. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5623. port*4, 0);
  5624. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5625. port*4, 1);
  5626. }
  5627. break;
  5628. default:
  5629. rc = -EINVAL;
  5630. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5631. mode);
  5632. break;
  5633. }
  5634. return rc;
  5635. }
  5636. /* This function comes to reflect the actual link state read DIRECTLY from the
  5637. * HW
  5638. */
  5639. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5640. u8 is_serdes)
  5641. {
  5642. struct bnx2x *bp = params->bp;
  5643. u16 gp_status = 0, phy_index = 0;
  5644. u8 ext_phy_link_up = 0, serdes_phy_type;
  5645. struct link_vars temp_vars;
  5646. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5647. if (CHIP_IS_E3(bp)) {
  5648. u16 link_up;
  5649. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5650. > SPEED_10000) {
  5651. /* Check 20G link */
  5652. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5653. 1, &link_up);
  5654. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5655. 1, &link_up);
  5656. link_up &= (1<<2);
  5657. } else {
  5658. /* Check 10G link and below*/
  5659. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5660. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5661. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5662. &gp_status);
  5663. gp_status = ((gp_status >> 8) & 0xf) |
  5664. ((gp_status >> 12) & 0xf);
  5665. link_up = gp_status & (1 << lane);
  5666. }
  5667. if (!link_up)
  5668. return -ESRCH;
  5669. } else {
  5670. CL22_RD_OVER_CL45(bp, int_phy,
  5671. MDIO_REG_BANK_GP_STATUS,
  5672. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5673. &gp_status);
  5674. /* Link is up only if both local phy and external phy are up */
  5675. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5676. return -ESRCH;
  5677. }
  5678. /* In XGXS loopback mode, do not check external PHY */
  5679. if (params->loopback_mode == LOOPBACK_XGXS)
  5680. return 0;
  5681. switch (params->num_phys) {
  5682. case 1:
  5683. /* No external PHY */
  5684. return 0;
  5685. case 2:
  5686. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5687. &params->phy[EXT_PHY1],
  5688. params, &temp_vars);
  5689. break;
  5690. case 3: /* Dual Media */
  5691. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5692. phy_index++) {
  5693. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5694. ETH_PHY_SFPP_10G_FIBER) ||
  5695. (params->phy[phy_index].media_type ==
  5696. ETH_PHY_SFP_1G_FIBER) ||
  5697. (params->phy[phy_index].media_type ==
  5698. ETH_PHY_XFP_FIBER) ||
  5699. (params->phy[phy_index].media_type ==
  5700. ETH_PHY_DA_TWINAX));
  5701. if (is_serdes != serdes_phy_type)
  5702. continue;
  5703. if (params->phy[phy_index].read_status) {
  5704. ext_phy_link_up |=
  5705. params->phy[phy_index].read_status(
  5706. &params->phy[phy_index],
  5707. params, &temp_vars);
  5708. }
  5709. }
  5710. break;
  5711. }
  5712. if (ext_phy_link_up)
  5713. return 0;
  5714. return -ESRCH;
  5715. }
  5716. static int bnx2x_link_initialize(struct link_params *params,
  5717. struct link_vars *vars)
  5718. {
  5719. u8 phy_index, non_ext_phy;
  5720. struct bnx2x *bp = params->bp;
  5721. /* In case of external phy existence, the line speed would be the
  5722. * line speed linked up by the external phy. In case it is direct
  5723. * only, then the line_speed during initialization will be
  5724. * equal to the req_line_speed
  5725. */
  5726. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5727. /* Initialize the internal phy in case this is a direct board
  5728. * (no external phys), or this board has external phy which requires
  5729. * to first.
  5730. */
  5731. if (!USES_WARPCORE(bp))
  5732. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5733. /* init ext phy and enable link state int */
  5734. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5735. (params->loopback_mode == LOOPBACK_XGXS));
  5736. if (non_ext_phy ||
  5737. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5738. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5739. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5740. if (vars->line_speed == SPEED_AUTO_NEG &&
  5741. (CHIP_IS_E1x(bp) ||
  5742. CHIP_IS_E2(bp)))
  5743. bnx2x_set_parallel_detection(phy, params);
  5744. if (params->phy[INT_PHY].config_init)
  5745. params->phy[INT_PHY].config_init(phy, params, vars);
  5746. }
  5747. /* Re-read this value in case it was changed inside config_init due to
  5748. * limitations of optic module
  5749. */
  5750. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5751. /* Init external phy*/
  5752. if (non_ext_phy) {
  5753. if (params->phy[INT_PHY].supported &
  5754. SUPPORTED_FIBRE)
  5755. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5756. } else {
  5757. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5758. phy_index++) {
  5759. /* No need to initialize second phy in case of first
  5760. * phy only selection. In case of second phy, we do
  5761. * need to initialize the first phy, since they are
  5762. * connected.
  5763. */
  5764. if (params->phy[phy_index].supported &
  5765. SUPPORTED_FIBRE)
  5766. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5767. if (phy_index == EXT_PHY2 &&
  5768. (bnx2x_phy_selection(params) ==
  5769. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5770. DP(NETIF_MSG_LINK,
  5771. "Not initializing second phy\n");
  5772. continue;
  5773. }
  5774. params->phy[phy_index].config_init(
  5775. &params->phy[phy_index],
  5776. params, vars);
  5777. }
  5778. }
  5779. /* Reset the interrupt indication after phy was initialized */
  5780. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5781. params->port*4,
  5782. (NIG_STATUS_XGXS0_LINK10G |
  5783. NIG_STATUS_XGXS0_LINK_STATUS |
  5784. NIG_STATUS_SERDES0_LINK_STATUS |
  5785. NIG_MASK_MI_INT));
  5786. return 0;
  5787. }
  5788. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5789. struct link_params *params)
  5790. {
  5791. /* Reset the SerDes/XGXS */
  5792. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5793. (0x1ff << (params->port*16)));
  5794. }
  5795. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5796. struct link_params *params)
  5797. {
  5798. struct bnx2x *bp = params->bp;
  5799. u8 gpio_port;
  5800. /* HW reset */
  5801. if (CHIP_IS_E2(bp))
  5802. gpio_port = BP_PATH(bp);
  5803. else
  5804. gpio_port = params->port;
  5805. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5806. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5807. gpio_port);
  5808. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5809. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5810. gpio_port);
  5811. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5812. }
  5813. static int bnx2x_update_link_down(struct link_params *params,
  5814. struct link_vars *vars)
  5815. {
  5816. struct bnx2x *bp = params->bp;
  5817. u8 port = params->port;
  5818. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5819. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5820. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5821. /* Indicate no mac active */
  5822. vars->mac_type = MAC_TYPE_NONE;
  5823. /* Update shared memory */
  5824. vars->link_status &= ~LINK_UPDATE_MASK;
  5825. vars->line_speed = 0;
  5826. bnx2x_update_mng(params, vars->link_status);
  5827. /* Activate nig drain */
  5828. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5829. /* Disable emac */
  5830. if (!CHIP_IS_E3(bp))
  5831. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5832. usleep_range(10000, 20000);
  5833. /* Reset BigMac/Xmac */
  5834. if (CHIP_IS_E1x(bp) ||
  5835. CHIP_IS_E2(bp))
  5836. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5837. if (CHIP_IS_E3(bp)) {
  5838. /* Prevent LPI Generation by chip */
  5839. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5840. 0);
  5841. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5842. 0);
  5843. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5844. SHMEM_EEE_ACTIVE_BIT);
  5845. bnx2x_update_mng_eee(params, vars->eee_status);
  5846. bnx2x_set_xmac_rxtx(params, 0);
  5847. bnx2x_set_umac_rxtx(params, 0);
  5848. }
  5849. return 0;
  5850. }
  5851. static int bnx2x_update_link_up(struct link_params *params,
  5852. struct link_vars *vars,
  5853. u8 link_10g)
  5854. {
  5855. struct bnx2x *bp = params->bp;
  5856. u8 phy_idx, port = params->port;
  5857. int rc = 0;
  5858. vars->link_status |= (LINK_STATUS_LINK_UP |
  5859. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5860. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5861. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5862. vars->link_status |=
  5863. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5864. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5865. vars->link_status |=
  5866. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5867. if (USES_WARPCORE(bp)) {
  5868. if (link_10g) {
  5869. if (bnx2x_xmac_enable(params, vars, 0) ==
  5870. -ESRCH) {
  5871. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5872. vars->link_up = 0;
  5873. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5874. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5875. }
  5876. } else
  5877. bnx2x_umac_enable(params, vars, 0);
  5878. bnx2x_set_led(params, vars,
  5879. LED_MODE_OPER, vars->line_speed);
  5880. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5881. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5882. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5883. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5884. (params->port << 2), 1);
  5885. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5886. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5887. (params->port << 2), 0xfc20);
  5888. }
  5889. }
  5890. if ((CHIP_IS_E1x(bp) ||
  5891. CHIP_IS_E2(bp))) {
  5892. if (link_10g) {
  5893. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5894. -ESRCH) {
  5895. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5896. vars->link_up = 0;
  5897. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5898. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5899. }
  5900. bnx2x_set_led(params, vars,
  5901. LED_MODE_OPER, SPEED_10000);
  5902. } else {
  5903. rc = bnx2x_emac_program(params, vars);
  5904. bnx2x_emac_enable(params, vars, 0);
  5905. /* AN complete? */
  5906. if ((vars->link_status &
  5907. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5908. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5909. SINGLE_MEDIA_DIRECT(params))
  5910. bnx2x_set_gmii_tx_driver(params);
  5911. }
  5912. }
  5913. /* PBF - link up */
  5914. if (CHIP_IS_E1x(bp))
  5915. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5916. vars->line_speed);
  5917. /* Disable drain */
  5918. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5919. /* Update shared memory */
  5920. bnx2x_update_mng(params, vars->link_status);
  5921. bnx2x_update_mng_eee(params, vars->eee_status);
  5922. /* Check remote fault */
  5923. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5924. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5925. bnx2x_check_half_open_conn(params, vars, 0);
  5926. break;
  5927. }
  5928. }
  5929. msleep(20);
  5930. return rc;
  5931. }
  5932. static void bnx2x_chng_link_count(struct link_params *params, bool clear)
  5933. {
  5934. struct bnx2x *bp = params->bp;
  5935. u32 addr, val;
  5936. /* Verify the link_change_count is supported by the MFW */
  5937. if (!(SHMEM2_HAS(bp, link_change_count)))
  5938. return;
  5939. addr = params->shmem2_base +
  5940. offsetof(struct shmem2_region, link_change_count[params->port]);
  5941. if (clear)
  5942. val = 0;
  5943. else
  5944. val = REG_RD(bp, addr) + 1;
  5945. REG_WR(bp, addr, val);
  5946. }
  5947. /* The bnx2x_link_update function should be called upon link
  5948. * interrupt.
  5949. * Link is considered up as follows:
  5950. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5951. * to be up
  5952. * - SINGLE_MEDIA - The link between the 577xx and the external
  5953. * phy (XGXS) need to up as well as the external link of the
  5954. * phy (PHY_EXT1)
  5955. * - DUAL_MEDIA - The link between the 577xx and the first
  5956. * external phy needs to be up, and at least one of the 2
  5957. * external phy link must be up.
  5958. */
  5959. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5960. {
  5961. struct bnx2x *bp = params->bp;
  5962. struct link_vars phy_vars[MAX_PHYS];
  5963. u8 port = params->port;
  5964. u8 link_10g_plus, phy_index;
  5965. u32 prev_link_status = vars->link_status;
  5966. u8 ext_phy_link_up = 0, cur_link_up;
  5967. int rc = 0;
  5968. u8 is_mi_int = 0;
  5969. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5970. u8 active_external_phy = INT_PHY;
  5971. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5972. vars->link_status &= ~LINK_UPDATE_MASK;
  5973. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5974. phy_index++) {
  5975. phy_vars[phy_index].flow_ctrl = 0;
  5976. phy_vars[phy_index].link_status = 0;
  5977. phy_vars[phy_index].line_speed = 0;
  5978. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5979. phy_vars[phy_index].phy_link_up = 0;
  5980. phy_vars[phy_index].link_up = 0;
  5981. phy_vars[phy_index].fault_detected = 0;
  5982. /* different consideration, since vars holds inner state */
  5983. phy_vars[phy_index].eee_status = vars->eee_status;
  5984. }
  5985. if (USES_WARPCORE(bp))
  5986. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5987. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5988. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5989. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5990. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5991. port*0x18) > 0);
  5992. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5993. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5994. is_mi_int,
  5995. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5996. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5997. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5998. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5999. /* Disable emac */
  6000. if (!CHIP_IS_E3(bp))
  6001. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  6002. /* Step 1:
  6003. * Check external link change only for external phys, and apply
  6004. * priority selection between them in case the link on both phys
  6005. * is up. Note that instead of the common vars, a temporary
  6006. * vars argument is used since each phy may have different link/
  6007. * speed/duplex result
  6008. */
  6009. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6010. phy_index++) {
  6011. struct bnx2x_phy *phy = &params->phy[phy_index];
  6012. if (!phy->read_status)
  6013. continue;
  6014. /* Read link status and params of this ext phy */
  6015. cur_link_up = phy->read_status(phy, params,
  6016. &phy_vars[phy_index]);
  6017. if (cur_link_up) {
  6018. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  6019. phy_index);
  6020. } else {
  6021. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  6022. phy_index);
  6023. continue;
  6024. }
  6025. if (!ext_phy_link_up) {
  6026. ext_phy_link_up = 1;
  6027. active_external_phy = phy_index;
  6028. } else {
  6029. switch (bnx2x_phy_selection(params)) {
  6030. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  6031. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6032. /* In this option, the first PHY makes sure to pass the
  6033. * traffic through itself only.
  6034. * Its not clear how to reset the link on the second phy
  6035. */
  6036. active_external_phy = EXT_PHY1;
  6037. break;
  6038. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6039. /* In this option, the first PHY makes sure to pass the
  6040. * traffic through the second PHY.
  6041. */
  6042. active_external_phy = EXT_PHY2;
  6043. break;
  6044. default:
  6045. /* Link indication on both PHYs with the following cases
  6046. * is invalid:
  6047. * - FIRST_PHY means that second phy wasn't initialized,
  6048. * hence its link is expected to be down
  6049. * - SECOND_PHY means that first phy should not be able
  6050. * to link up by itself (using configuration)
  6051. * - DEFAULT should be overriden during initialiazation
  6052. */
  6053. DP(NETIF_MSG_LINK, "Invalid link indication"
  6054. "mpc=0x%x. DISABLING LINK !!!\n",
  6055. params->multi_phy_config);
  6056. ext_phy_link_up = 0;
  6057. break;
  6058. }
  6059. }
  6060. }
  6061. prev_line_speed = vars->line_speed;
  6062. /* Step 2:
  6063. * Read the status of the internal phy. In case of
  6064. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6065. * otherwise this is the link between the 577xx and the first
  6066. * external phy
  6067. */
  6068. if (params->phy[INT_PHY].read_status)
  6069. params->phy[INT_PHY].read_status(
  6070. &params->phy[INT_PHY],
  6071. params, vars);
  6072. /* The INT_PHY flow control reside in the vars. This include the
  6073. * case where the speed or flow control are not set to AUTO.
  6074. * Otherwise, the active external phy flow control result is set
  6075. * to the vars. The ext_phy_line_speed is needed to check if the
  6076. * speed is different between the internal phy and external phy.
  6077. * This case may be result of intermediate link speed change.
  6078. */
  6079. if (active_external_phy > INT_PHY) {
  6080. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6081. /* Link speed is taken from the XGXS. AN and FC result from
  6082. * the external phy.
  6083. */
  6084. vars->link_status |= phy_vars[active_external_phy].link_status;
  6085. /* if active_external_phy is first PHY and link is up - disable
  6086. * disable TX on second external PHY
  6087. */
  6088. if (active_external_phy == EXT_PHY1) {
  6089. if (params->phy[EXT_PHY2].phy_specific_func) {
  6090. DP(NETIF_MSG_LINK,
  6091. "Disabling TX on EXT_PHY2\n");
  6092. params->phy[EXT_PHY2].phy_specific_func(
  6093. &params->phy[EXT_PHY2],
  6094. params, DISABLE_TX);
  6095. }
  6096. }
  6097. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6098. vars->duplex = phy_vars[active_external_phy].duplex;
  6099. if (params->phy[active_external_phy].supported &
  6100. SUPPORTED_FIBRE)
  6101. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6102. else
  6103. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6104. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6105. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6106. active_external_phy);
  6107. }
  6108. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6109. phy_index++) {
  6110. if (params->phy[phy_index].flags &
  6111. FLAGS_REARM_LATCH_SIGNAL) {
  6112. bnx2x_rearm_latch_signal(bp, port,
  6113. phy_index ==
  6114. active_external_phy);
  6115. break;
  6116. }
  6117. }
  6118. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6119. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6120. vars->link_status, ext_phy_line_speed);
  6121. /* Upon link speed change set the NIG into drain mode. Comes to
  6122. * deals with possible FIFO glitch due to clk change when speed
  6123. * is decreased without link down indicator
  6124. */
  6125. if (vars->phy_link_up) {
  6126. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6127. (ext_phy_line_speed != vars->line_speed)) {
  6128. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6129. " different than the external"
  6130. " link speed %d\n", vars->line_speed,
  6131. ext_phy_line_speed);
  6132. vars->phy_link_up = 0;
  6133. } else if (prev_line_speed != vars->line_speed) {
  6134. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6135. 0);
  6136. usleep_range(1000, 2000);
  6137. }
  6138. }
  6139. /* Anything 10 and over uses the bmac */
  6140. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6141. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6142. /* In case external phy link is up, and internal link is down
  6143. * (not initialized yet probably after link initialization, it
  6144. * needs to be initialized.
  6145. * Note that after link down-up as result of cable plug, the xgxs
  6146. * link would probably become up again without the need
  6147. * initialize it
  6148. */
  6149. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6150. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6151. " init_preceding = %d\n", ext_phy_link_up,
  6152. vars->phy_link_up,
  6153. params->phy[EXT_PHY1].flags &
  6154. FLAGS_INIT_XGXS_FIRST);
  6155. if (!(params->phy[EXT_PHY1].flags &
  6156. FLAGS_INIT_XGXS_FIRST)
  6157. && ext_phy_link_up && !vars->phy_link_up) {
  6158. vars->line_speed = ext_phy_line_speed;
  6159. if (vars->line_speed < SPEED_1000)
  6160. vars->phy_flags |= PHY_SGMII_FLAG;
  6161. else
  6162. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6163. if (params->phy[INT_PHY].config_init)
  6164. params->phy[INT_PHY].config_init(
  6165. &params->phy[INT_PHY], params,
  6166. vars);
  6167. }
  6168. }
  6169. /* Link is up only if both local phy and external phy (in case of
  6170. * non-direct board) are up and no fault detected on active PHY.
  6171. */
  6172. vars->link_up = (vars->phy_link_up &&
  6173. (ext_phy_link_up ||
  6174. SINGLE_MEDIA_DIRECT(params)) &&
  6175. (phy_vars[active_external_phy].fault_detected == 0));
  6176. /* Update the PFC configuration in case it was changed */
  6177. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6178. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6179. else
  6180. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6181. if (vars->link_up)
  6182. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6183. else
  6184. rc = bnx2x_update_link_down(params, vars);
  6185. if ((prev_link_status ^ vars->link_status) & LINK_STATUS_LINK_UP)
  6186. bnx2x_chng_link_count(params, false);
  6187. /* Update MCP link status was changed */
  6188. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6189. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6190. return rc;
  6191. }
  6192. /*****************************************************************************/
  6193. /* External Phy section */
  6194. /*****************************************************************************/
  6195. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6196. {
  6197. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6198. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6199. usleep_range(1000, 2000);
  6200. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6201. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6202. }
  6203. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6204. u32 spirom_ver, u32 ver_addr)
  6205. {
  6206. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6207. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6208. if (ver_addr)
  6209. REG_WR(bp, ver_addr, spirom_ver);
  6210. }
  6211. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6212. struct bnx2x_phy *phy,
  6213. u8 port)
  6214. {
  6215. u16 fw_ver1, fw_ver2;
  6216. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6217. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6218. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6219. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6220. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6221. phy->ver_addr);
  6222. }
  6223. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6224. struct bnx2x_phy *phy,
  6225. struct link_vars *vars)
  6226. {
  6227. u16 val;
  6228. bnx2x_cl45_read(bp, phy,
  6229. MDIO_AN_DEVAD,
  6230. MDIO_AN_REG_STATUS, &val);
  6231. bnx2x_cl45_read(bp, phy,
  6232. MDIO_AN_DEVAD,
  6233. MDIO_AN_REG_STATUS, &val);
  6234. if (val & (1<<5))
  6235. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6236. if ((val & (1<<0)) == 0)
  6237. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6238. }
  6239. /******************************************************************/
  6240. /* common BCM8073/BCM8727 PHY SECTION */
  6241. /******************************************************************/
  6242. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6243. struct link_params *params,
  6244. struct link_vars *vars)
  6245. {
  6246. struct bnx2x *bp = params->bp;
  6247. if (phy->req_line_speed == SPEED_10 ||
  6248. phy->req_line_speed == SPEED_100) {
  6249. vars->flow_ctrl = phy->req_flow_ctrl;
  6250. return;
  6251. }
  6252. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6253. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6254. u16 pause_result;
  6255. u16 ld_pause; /* local */
  6256. u16 lp_pause; /* link partner */
  6257. bnx2x_cl45_read(bp, phy,
  6258. MDIO_AN_DEVAD,
  6259. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6260. bnx2x_cl45_read(bp, phy,
  6261. MDIO_AN_DEVAD,
  6262. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6263. pause_result = (ld_pause &
  6264. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6265. pause_result |= (lp_pause &
  6266. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6267. bnx2x_pause_resolve(vars, pause_result);
  6268. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6269. pause_result);
  6270. }
  6271. }
  6272. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6273. struct bnx2x_phy *phy,
  6274. u8 port)
  6275. {
  6276. u32 count = 0;
  6277. u16 fw_ver1, fw_msgout;
  6278. int rc = 0;
  6279. /* Boot port from external ROM */
  6280. /* EDC grst */
  6281. bnx2x_cl45_write(bp, phy,
  6282. MDIO_PMA_DEVAD,
  6283. MDIO_PMA_REG_GEN_CTRL,
  6284. 0x0001);
  6285. /* Ucode reboot and rst */
  6286. bnx2x_cl45_write(bp, phy,
  6287. MDIO_PMA_DEVAD,
  6288. MDIO_PMA_REG_GEN_CTRL,
  6289. 0x008c);
  6290. bnx2x_cl45_write(bp, phy,
  6291. MDIO_PMA_DEVAD,
  6292. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6293. /* Reset internal microprocessor */
  6294. bnx2x_cl45_write(bp, phy,
  6295. MDIO_PMA_DEVAD,
  6296. MDIO_PMA_REG_GEN_CTRL,
  6297. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6298. /* Release srst bit */
  6299. bnx2x_cl45_write(bp, phy,
  6300. MDIO_PMA_DEVAD,
  6301. MDIO_PMA_REG_GEN_CTRL,
  6302. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6303. /* Delay 100ms per the PHY specifications */
  6304. msleep(100);
  6305. /* 8073 sometimes taking longer to download */
  6306. do {
  6307. count++;
  6308. if (count > 300) {
  6309. DP(NETIF_MSG_LINK,
  6310. "bnx2x_8073_8727_external_rom_boot port %x:"
  6311. "Download failed. fw version = 0x%x\n",
  6312. port, fw_ver1);
  6313. rc = -EINVAL;
  6314. break;
  6315. }
  6316. bnx2x_cl45_read(bp, phy,
  6317. MDIO_PMA_DEVAD,
  6318. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6319. bnx2x_cl45_read(bp, phy,
  6320. MDIO_PMA_DEVAD,
  6321. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6322. usleep_range(1000, 2000);
  6323. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6324. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6325. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6326. /* Clear ser_boot_ctl bit */
  6327. bnx2x_cl45_write(bp, phy,
  6328. MDIO_PMA_DEVAD,
  6329. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6330. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6331. DP(NETIF_MSG_LINK,
  6332. "bnx2x_8073_8727_external_rom_boot port %x:"
  6333. "Download complete. fw version = 0x%x\n",
  6334. port, fw_ver1);
  6335. return rc;
  6336. }
  6337. /******************************************************************/
  6338. /* BCM8073 PHY SECTION */
  6339. /******************************************************************/
  6340. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6341. {
  6342. /* This is only required for 8073A1, version 102 only */
  6343. u16 val;
  6344. /* Read 8073 HW revision*/
  6345. bnx2x_cl45_read(bp, phy,
  6346. MDIO_PMA_DEVAD,
  6347. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6348. if (val != 1) {
  6349. /* No need to workaround in 8073 A1 */
  6350. return 0;
  6351. }
  6352. bnx2x_cl45_read(bp, phy,
  6353. MDIO_PMA_DEVAD,
  6354. MDIO_PMA_REG_ROM_VER2, &val);
  6355. /* SNR should be applied only for version 0x102 */
  6356. if (val != 0x102)
  6357. return 0;
  6358. return 1;
  6359. }
  6360. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6361. {
  6362. u16 val, cnt, cnt1 ;
  6363. bnx2x_cl45_read(bp, phy,
  6364. MDIO_PMA_DEVAD,
  6365. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6366. if (val > 0) {
  6367. /* No need to workaround in 8073 A1 */
  6368. return 0;
  6369. }
  6370. /* XAUI workaround in 8073 A0: */
  6371. /* After loading the boot ROM and restarting Autoneg, poll
  6372. * Dev1, Reg $C820:
  6373. */
  6374. for (cnt = 0; cnt < 1000; cnt++) {
  6375. bnx2x_cl45_read(bp, phy,
  6376. MDIO_PMA_DEVAD,
  6377. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6378. &val);
  6379. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6380. * system initialization (XAUI work-around not required, as
  6381. * these bits indicate 2.5G or 1G link up).
  6382. */
  6383. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6384. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6385. return 0;
  6386. } else if (!(val & (1<<15))) {
  6387. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6388. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6389. * MSB (bit15) goes to 1 (indicating that the XAUI
  6390. * workaround has completed), then continue on with
  6391. * system initialization.
  6392. */
  6393. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6394. bnx2x_cl45_read(bp, phy,
  6395. MDIO_PMA_DEVAD,
  6396. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6397. if (val & (1<<15)) {
  6398. DP(NETIF_MSG_LINK,
  6399. "XAUI workaround has completed\n");
  6400. return 0;
  6401. }
  6402. usleep_range(3000, 6000);
  6403. }
  6404. break;
  6405. }
  6406. usleep_range(3000, 6000);
  6407. }
  6408. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6409. return -EINVAL;
  6410. }
  6411. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6412. {
  6413. /* Force KR or KX */
  6414. bnx2x_cl45_write(bp, phy,
  6415. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6416. bnx2x_cl45_write(bp, phy,
  6417. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6418. bnx2x_cl45_write(bp, phy,
  6419. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6420. bnx2x_cl45_write(bp, phy,
  6421. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6422. }
  6423. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6424. struct bnx2x_phy *phy,
  6425. struct link_vars *vars)
  6426. {
  6427. u16 cl37_val;
  6428. struct bnx2x *bp = params->bp;
  6429. bnx2x_cl45_read(bp, phy,
  6430. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6431. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6432. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6433. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6434. if ((vars->ieee_fc &
  6435. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6436. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6437. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6438. }
  6439. if ((vars->ieee_fc &
  6440. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6441. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6442. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6443. }
  6444. if ((vars->ieee_fc &
  6445. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6446. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6447. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6448. }
  6449. DP(NETIF_MSG_LINK,
  6450. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6451. bnx2x_cl45_write(bp, phy,
  6452. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6453. msleep(500);
  6454. }
  6455. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6456. struct link_params *params,
  6457. u32 action)
  6458. {
  6459. struct bnx2x *bp = params->bp;
  6460. switch (action) {
  6461. case PHY_INIT:
  6462. /* Enable LASI */
  6463. bnx2x_cl45_write(bp, phy,
  6464. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6465. bnx2x_cl45_write(bp, phy,
  6466. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6467. break;
  6468. }
  6469. }
  6470. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6471. struct link_params *params,
  6472. struct link_vars *vars)
  6473. {
  6474. struct bnx2x *bp = params->bp;
  6475. u16 val = 0, tmp1;
  6476. u8 gpio_port;
  6477. DP(NETIF_MSG_LINK, "Init 8073\n");
  6478. if (CHIP_IS_E2(bp))
  6479. gpio_port = BP_PATH(bp);
  6480. else
  6481. gpio_port = params->port;
  6482. /* Restore normal power mode*/
  6483. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6484. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6485. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6486. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6487. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6488. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6489. bnx2x_cl45_read(bp, phy,
  6490. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6491. bnx2x_cl45_read(bp, phy,
  6492. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6493. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6494. /* Swap polarity if required - Must be done only in non-1G mode */
  6495. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6496. /* Configure the 8073 to swap _P and _N of the KR lines */
  6497. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6498. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6499. bnx2x_cl45_read(bp, phy,
  6500. MDIO_PMA_DEVAD,
  6501. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6502. bnx2x_cl45_write(bp, phy,
  6503. MDIO_PMA_DEVAD,
  6504. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6505. (val | (3<<9)));
  6506. }
  6507. /* Enable CL37 BAM */
  6508. if (REG_RD(bp, params->shmem_base +
  6509. offsetof(struct shmem_region, dev_info.
  6510. port_hw_config[params->port].default_cfg)) &
  6511. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6512. bnx2x_cl45_read(bp, phy,
  6513. MDIO_AN_DEVAD,
  6514. MDIO_AN_REG_8073_BAM, &val);
  6515. bnx2x_cl45_write(bp, phy,
  6516. MDIO_AN_DEVAD,
  6517. MDIO_AN_REG_8073_BAM, val | 1);
  6518. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6519. }
  6520. if (params->loopback_mode == LOOPBACK_EXT) {
  6521. bnx2x_807x_force_10G(bp, phy);
  6522. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6523. return 0;
  6524. } else {
  6525. bnx2x_cl45_write(bp, phy,
  6526. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6527. }
  6528. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6529. if (phy->req_line_speed == SPEED_10000) {
  6530. val = (1<<7);
  6531. } else if (phy->req_line_speed == SPEED_2500) {
  6532. val = (1<<5);
  6533. /* Note that 2.5G works only when used with 1G
  6534. * advertisement
  6535. */
  6536. } else
  6537. val = (1<<5);
  6538. } else {
  6539. val = 0;
  6540. if (phy->speed_cap_mask &
  6541. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6542. val |= (1<<7);
  6543. /* Note that 2.5G works only when used with 1G advertisement */
  6544. if (phy->speed_cap_mask &
  6545. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6546. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6547. val |= (1<<5);
  6548. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6549. }
  6550. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6551. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6552. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6553. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6554. (phy->req_line_speed == SPEED_2500)) {
  6555. u16 phy_ver;
  6556. /* Allow 2.5G for A1 and above */
  6557. bnx2x_cl45_read(bp, phy,
  6558. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6559. &phy_ver);
  6560. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6561. if (phy_ver > 0)
  6562. tmp1 |= 1;
  6563. else
  6564. tmp1 &= 0xfffe;
  6565. } else {
  6566. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6567. tmp1 &= 0xfffe;
  6568. }
  6569. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6570. /* Add support for CL37 (passive mode) II */
  6571. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6572. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6573. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6574. 0x20 : 0x40)));
  6575. /* Add support for CL37 (passive mode) III */
  6576. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6577. /* The SNR will improve about 2db by changing BW and FEE main
  6578. * tap. Rest commands are executed after link is up
  6579. * Change FFE main cursor to 5 in EDC register
  6580. */
  6581. if (bnx2x_8073_is_snr_needed(bp, phy))
  6582. bnx2x_cl45_write(bp, phy,
  6583. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6584. 0xFB0C);
  6585. /* Enable FEC (Forware Error Correction) Request in the AN */
  6586. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6587. tmp1 |= (1<<15);
  6588. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6589. bnx2x_ext_phy_set_pause(params, phy, vars);
  6590. /* Restart autoneg */
  6591. msleep(500);
  6592. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6593. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6594. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6595. return 0;
  6596. }
  6597. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6598. struct link_params *params,
  6599. struct link_vars *vars)
  6600. {
  6601. struct bnx2x *bp = params->bp;
  6602. u8 link_up = 0;
  6603. u16 val1, val2;
  6604. u16 link_status = 0;
  6605. u16 an1000_status = 0;
  6606. bnx2x_cl45_read(bp, phy,
  6607. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6608. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6609. /* Clear the interrupt LASI status register */
  6610. bnx2x_cl45_read(bp, phy,
  6611. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6612. bnx2x_cl45_read(bp, phy,
  6613. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6614. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6615. /* Clear MSG-OUT */
  6616. bnx2x_cl45_read(bp, phy,
  6617. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6618. /* Check the LASI */
  6619. bnx2x_cl45_read(bp, phy,
  6620. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6621. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6622. /* Check the link status */
  6623. bnx2x_cl45_read(bp, phy,
  6624. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6625. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6626. bnx2x_cl45_read(bp, phy,
  6627. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6628. bnx2x_cl45_read(bp, phy,
  6629. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6630. link_up = ((val1 & 4) == 4);
  6631. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6632. if (link_up &&
  6633. ((phy->req_line_speed != SPEED_10000))) {
  6634. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6635. return 0;
  6636. }
  6637. bnx2x_cl45_read(bp, phy,
  6638. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6639. bnx2x_cl45_read(bp, phy,
  6640. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6641. /* Check the link status on 1.1.2 */
  6642. bnx2x_cl45_read(bp, phy,
  6643. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6644. bnx2x_cl45_read(bp, phy,
  6645. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6646. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6647. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6648. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6649. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6650. /* The SNR will improve about 2dbby changing the BW and FEE main
  6651. * tap. The 1st write to change FFE main tap is set before
  6652. * restart AN. Change PLL Bandwidth in EDC register
  6653. */
  6654. bnx2x_cl45_write(bp, phy,
  6655. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6656. 0x26BC);
  6657. /* Change CDR Bandwidth in EDC register */
  6658. bnx2x_cl45_write(bp, phy,
  6659. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6660. 0x0333);
  6661. }
  6662. bnx2x_cl45_read(bp, phy,
  6663. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6664. &link_status);
  6665. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6666. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6667. link_up = 1;
  6668. vars->line_speed = SPEED_10000;
  6669. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6670. params->port);
  6671. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6672. link_up = 1;
  6673. vars->line_speed = SPEED_2500;
  6674. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6675. params->port);
  6676. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6677. link_up = 1;
  6678. vars->line_speed = SPEED_1000;
  6679. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6680. params->port);
  6681. } else {
  6682. link_up = 0;
  6683. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6684. params->port);
  6685. }
  6686. if (link_up) {
  6687. /* Swap polarity if required */
  6688. if (params->lane_config &
  6689. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6690. /* Configure the 8073 to swap P and N of the KR lines */
  6691. bnx2x_cl45_read(bp, phy,
  6692. MDIO_XS_DEVAD,
  6693. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6694. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6695. * when it`s in 10G mode.
  6696. */
  6697. if (vars->line_speed == SPEED_1000) {
  6698. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6699. "the 8073\n");
  6700. val1 |= (1<<3);
  6701. } else
  6702. val1 &= ~(1<<3);
  6703. bnx2x_cl45_write(bp, phy,
  6704. MDIO_XS_DEVAD,
  6705. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6706. val1);
  6707. }
  6708. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6709. bnx2x_8073_resolve_fc(phy, params, vars);
  6710. vars->duplex = DUPLEX_FULL;
  6711. }
  6712. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6713. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6714. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6715. if (val1 & (1<<5))
  6716. vars->link_status |=
  6717. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6718. if (val1 & (1<<7))
  6719. vars->link_status |=
  6720. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6721. }
  6722. return link_up;
  6723. }
  6724. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6725. struct link_params *params)
  6726. {
  6727. struct bnx2x *bp = params->bp;
  6728. u8 gpio_port;
  6729. if (CHIP_IS_E2(bp))
  6730. gpio_port = BP_PATH(bp);
  6731. else
  6732. gpio_port = params->port;
  6733. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6734. gpio_port);
  6735. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6736. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6737. gpio_port);
  6738. }
  6739. /******************************************************************/
  6740. /* BCM8705 PHY SECTION */
  6741. /******************************************************************/
  6742. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6743. struct link_params *params,
  6744. struct link_vars *vars)
  6745. {
  6746. struct bnx2x *bp = params->bp;
  6747. DP(NETIF_MSG_LINK, "init 8705\n");
  6748. /* Restore normal power mode*/
  6749. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6750. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6751. /* HW reset */
  6752. bnx2x_ext_phy_hw_reset(bp, params->port);
  6753. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6754. bnx2x_wait_reset_complete(bp, phy, params);
  6755. bnx2x_cl45_write(bp, phy,
  6756. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6757. bnx2x_cl45_write(bp, phy,
  6758. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6759. bnx2x_cl45_write(bp, phy,
  6760. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6761. bnx2x_cl45_write(bp, phy,
  6762. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6763. /* BCM8705 doesn't have microcode, hence the 0 */
  6764. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6765. return 0;
  6766. }
  6767. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6768. struct link_params *params,
  6769. struct link_vars *vars)
  6770. {
  6771. u8 link_up = 0;
  6772. u16 val1, rx_sd;
  6773. struct bnx2x *bp = params->bp;
  6774. DP(NETIF_MSG_LINK, "read status 8705\n");
  6775. bnx2x_cl45_read(bp, phy,
  6776. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6777. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6778. bnx2x_cl45_read(bp, phy,
  6779. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6780. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6781. bnx2x_cl45_read(bp, phy,
  6782. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6783. bnx2x_cl45_read(bp, phy,
  6784. MDIO_PMA_DEVAD, 0xc809, &val1);
  6785. bnx2x_cl45_read(bp, phy,
  6786. MDIO_PMA_DEVAD, 0xc809, &val1);
  6787. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6788. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6789. if (link_up) {
  6790. vars->line_speed = SPEED_10000;
  6791. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6792. }
  6793. return link_up;
  6794. }
  6795. /******************************************************************/
  6796. /* SFP+ module Section */
  6797. /******************************************************************/
  6798. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6799. struct bnx2x_phy *phy,
  6800. u8 pmd_dis)
  6801. {
  6802. struct bnx2x *bp = params->bp;
  6803. /* Disable transmitter only for bootcodes which can enable it afterwards
  6804. * (for D3 link)
  6805. */
  6806. if (pmd_dis) {
  6807. if (params->feature_config_flags &
  6808. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6809. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6810. else {
  6811. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6812. return;
  6813. }
  6814. } else
  6815. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6816. bnx2x_cl45_write(bp, phy,
  6817. MDIO_PMA_DEVAD,
  6818. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6819. }
  6820. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6821. {
  6822. u8 gpio_port;
  6823. u32 swap_val, swap_override;
  6824. struct bnx2x *bp = params->bp;
  6825. if (CHIP_IS_E2(bp))
  6826. gpio_port = BP_PATH(bp);
  6827. else
  6828. gpio_port = params->port;
  6829. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6830. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6831. return gpio_port ^ (swap_val && swap_override);
  6832. }
  6833. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6834. struct bnx2x_phy *phy,
  6835. u8 tx_en)
  6836. {
  6837. u16 val;
  6838. u8 port = params->port;
  6839. struct bnx2x *bp = params->bp;
  6840. u32 tx_en_mode;
  6841. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6842. tx_en_mode = REG_RD(bp, params->shmem_base +
  6843. offsetof(struct shmem_region,
  6844. dev_info.port_hw_config[port].sfp_ctrl)) &
  6845. PORT_HW_CFG_TX_LASER_MASK;
  6846. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6847. "mode = %x\n", tx_en, port, tx_en_mode);
  6848. switch (tx_en_mode) {
  6849. case PORT_HW_CFG_TX_LASER_MDIO:
  6850. bnx2x_cl45_read(bp, phy,
  6851. MDIO_PMA_DEVAD,
  6852. MDIO_PMA_REG_PHY_IDENTIFIER,
  6853. &val);
  6854. if (tx_en)
  6855. val &= ~(1<<15);
  6856. else
  6857. val |= (1<<15);
  6858. bnx2x_cl45_write(bp, phy,
  6859. MDIO_PMA_DEVAD,
  6860. MDIO_PMA_REG_PHY_IDENTIFIER,
  6861. val);
  6862. break;
  6863. case PORT_HW_CFG_TX_LASER_GPIO0:
  6864. case PORT_HW_CFG_TX_LASER_GPIO1:
  6865. case PORT_HW_CFG_TX_LASER_GPIO2:
  6866. case PORT_HW_CFG_TX_LASER_GPIO3:
  6867. {
  6868. u16 gpio_pin;
  6869. u8 gpio_port, gpio_mode;
  6870. if (tx_en)
  6871. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6872. else
  6873. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6874. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6875. gpio_port = bnx2x_get_gpio_port(params);
  6876. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6877. break;
  6878. }
  6879. default:
  6880. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6881. break;
  6882. }
  6883. }
  6884. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6885. struct bnx2x_phy *phy,
  6886. u8 tx_en)
  6887. {
  6888. struct bnx2x *bp = params->bp;
  6889. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6890. if (CHIP_IS_E3(bp))
  6891. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6892. else
  6893. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6894. }
  6895. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6896. struct link_params *params,
  6897. u8 dev_addr, u16 addr, u8 byte_cnt,
  6898. u8 *o_buf, u8 is_init)
  6899. {
  6900. struct bnx2x *bp = params->bp;
  6901. u16 val = 0;
  6902. u16 i;
  6903. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6904. DP(NETIF_MSG_LINK,
  6905. "Reading from eeprom is limited to 0xf\n");
  6906. return -EINVAL;
  6907. }
  6908. /* Set the read command byte count */
  6909. bnx2x_cl45_write(bp, phy,
  6910. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6911. (byte_cnt | (dev_addr << 8)));
  6912. /* Set the read command address */
  6913. bnx2x_cl45_write(bp, phy,
  6914. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6915. addr);
  6916. /* Activate read command */
  6917. bnx2x_cl45_write(bp, phy,
  6918. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6919. 0x2c0f);
  6920. /* Wait up to 500us for command complete status */
  6921. for (i = 0; i < 100; i++) {
  6922. bnx2x_cl45_read(bp, phy,
  6923. MDIO_PMA_DEVAD,
  6924. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6925. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6926. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6927. break;
  6928. udelay(5);
  6929. }
  6930. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6931. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6932. DP(NETIF_MSG_LINK,
  6933. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6934. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6935. return -EINVAL;
  6936. }
  6937. /* Read the buffer */
  6938. for (i = 0; i < byte_cnt; i++) {
  6939. bnx2x_cl45_read(bp, phy,
  6940. MDIO_PMA_DEVAD,
  6941. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6942. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6943. }
  6944. for (i = 0; i < 100; i++) {
  6945. bnx2x_cl45_read(bp, phy,
  6946. MDIO_PMA_DEVAD,
  6947. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6948. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6949. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6950. return 0;
  6951. usleep_range(1000, 2000);
  6952. }
  6953. return -EINVAL;
  6954. }
  6955. static void bnx2x_warpcore_power_module(struct link_params *params,
  6956. u8 power)
  6957. {
  6958. u32 pin_cfg;
  6959. struct bnx2x *bp = params->bp;
  6960. pin_cfg = (REG_RD(bp, params->shmem_base +
  6961. offsetof(struct shmem_region,
  6962. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6963. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6964. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6965. if (pin_cfg == PIN_CFG_NA)
  6966. return;
  6967. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6968. power, pin_cfg);
  6969. /* Low ==> corresponding SFP+ module is powered
  6970. * high ==> the SFP+ module is powered down
  6971. */
  6972. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6973. }
  6974. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6975. struct link_params *params,
  6976. u8 dev_addr,
  6977. u16 addr, u8 byte_cnt,
  6978. u8 *o_buf, u8 is_init)
  6979. {
  6980. int rc = 0;
  6981. u8 i, j = 0, cnt = 0;
  6982. u32 data_array[4];
  6983. u16 addr32;
  6984. struct bnx2x *bp = params->bp;
  6985. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6986. DP(NETIF_MSG_LINK,
  6987. "Reading from eeprom is limited to 16 bytes\n");
  6988. return -EINVAL;
  6989. }
  6990. /* 4 byte aligned address */
  6991. addr32 = addr & (~0x3);
  6992. do {
  6993. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6994. bnx2x_warpcore_power_module(params, 0);
  6995. /* Note that 100us are not enough here */
  6996. usleep_range(1000, 2000);
  6997. bnx2x_warpcore_power_module(params, 1);
  6998. }
  6999. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  7000. data_array);
  7001. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  7002. if (rc == 0) {
  7003. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  7004. o_buf[j] = *((u8 *)data_array + i);
  7005. j++;
  7006. }
  7007. }
  7008. return rc;
  7009. }
  7010. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7011. struct link_params *params,
  7012. u8 dev_addr, u16 addr, u8 byte_cnt,
  7013. u8 *o_buf, u8 is_init)
  7014. {
  7015. struct bnx2x *bp = params->bp;
  7016. u16 val, i;
  7017. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  7018. DP(NETIF_MSG_LINK,
  7019. "Reading from eeprom is limited to 0xf\n");
  7020. return -EINVAL;
  7021. }
  7022. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7023. * to 100Khz since some DACs(direct attached cables) do
  7024. * not work at 400Khz.
  7025. */
  7026. bnx2x_cl45_write(bp, phy,
  7027. MDIO_PMA_DEVAD,
  7028. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7029. ((dev_addr << 8) | 1));
  7030. /* Need to read from 1.8000 to clear it */
  7031. bnx2x_cl45_read(bp, phy,
  7032. MDIO_PMA_DEVAD,
  7033. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7034. &val);
  7035. /* Set the read command byte count */
  7036. bnx2x_cl45_write(bp, phy,
  7037. MDIO_PMA_DEVAD,
  7038. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  7039. ((byte_cnt < 2) ? 2 : byte_cnt));
  7040. /* Set the read command address */
  7041. bnx2x_cl45_write(bp, phy,
  7042. MDIO_PMA_DEVAD,
  7043. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7044. addr);
  7045. /* Set the destination address */
  7046. bnx2x_cl45_write(bp, phy,
  7047. MDIO_PMA_DEVAD,
  7048. 0x8004,
  7049. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7050. /* Activate read command */
  7051. bnx2x_cl45_write(bp, phy,
  7052. MDIO_PMA_DEVAD,
  7053. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7054. 0x8002);
  7055. /* Wait appropriate time for two-wire command to finish before
  7056. * polling the status register
  7057. */
  7058. usleep_range(1000, 2000);
  7059. /* Wait up to 500us for command complete status */
  7060. for (i = 0; i < 100; i++) {
  7061. bnx2x_cl45_read(bp, phy,
  7062. MDIO_PMA_DEVAD,
  7063. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7064. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7065. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7066. break;
  7067. udelay(5);
  7068. }
  7069. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7070. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7071. DP(NETIF_MSG_LINK,
  7072. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7073. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7074. return -EFAULT;
  7075. }
  7076. /* Read the buffer */
  7077. for (i = 0; i < byte_cnt; i++) {
  7078. bnx2x_cl45_read(bp, phy,
  7079. MDIO_PMA_DEVAD,
  7080. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7081. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7082. }
  7083. for (i = 0; i < 100; i++) {
  7084. bnx2x_cl45_read(bp, phy,
  7085. MDIO_PMA_DEVAD,
  7086. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7087. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7088. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7089. return 0;
  7090. usleep_range(1000, 2000);
  7091. }
  7092. return -EINVAL;
  7093. }
  7094. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7095. struct link_params *params, u8 dev_addr,
  7096. u16 addr, u16 byte_cnt, u8 *o_buf)
  7097. {
  7098. int rc = 0;
  7099. struct bnx2x *bp = params->bp;
  7100. u8 xfer_size;
  7101. u8 *user_data = o_buf;
  7102. read_sfp_module_eeprom_func_p read_func;
  7103. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7104. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7105. return -EINVAL;
  7106. }
  7107. switch (phy->type) {
  7108. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7109. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7110. break;
  7111. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7112. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7113. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7114. break;
  7115. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7116. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7117. break;
  7118. default:
  7119. return -EOPNOTSUPP;
  7120. }
  7121. while (!rc && (byte_cnt > 0)) {
  7122. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7123. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7124. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7125. user_data, 0);
  7126. byte_cnt -= xfer_size;
  7127. user_data += xfer_size;
  7128. addr += xfer_size;
  7129. }
  7130. return rc;
  7131. }
  7132. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7133. struct link_params *params,
  7134. u16 *edc_mode)
  7135. {
  7136. struct bnx2x *bp = params->bp;
  7137. u32 sync_offset = 0, phy_idx, media_types;
  7138. u8 val[SFP_EEPROM_FC_TX_TECH_ADDR + 1], check_limiting_mode = 0;
  7139. *edc_mode = EDC_MODE_LIMITING;
  7140. phy->media_type = ETH_PHY_UNSPECIFIED;
  7141. /* First check for copper cable */
  7142. if (bnx2x_read_sfp_module_eeprom(phy,
  7143. params,
  7144. I2C_DEV_ADDR_A0,
  7145. 0,
  7146. SFP_EEPROM_FC_TX_TECH_ADDR + 1,
  7147. (u8 *)val) != 0) {
  7148. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7149. return -EINVAL;
  7150. }
  7151. params->link_attr_sync &= ~LINK_SFP_EEPROM_COMP_CODE_MASK;
  7152. params->link_attr_sync |= val[SFP_EEPROM_10G_COMP_CODE_ADDR] <<
  7153. LINK_SFP_EEPROM_COMP_CODE_SHIFT;
  7154. bnx2x_update_link_attr(params, params->link_attr_sync);
  7155. switch (val[SFP_EEPROM_CON_TYPE_ADDR]) {
  7156. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7157. {
  7158. u8 copper_module_type;
  7159. phy->media_type = ETH_PHY_DA_TWINAX;
  7160. /* Check if its active cable (includes SFP+ module)
  7161. * of passive cable
  7162. */
  7163. copper_module_type = val[SFP_EEPROM_FC_TX_TECH_ADDR];
  7164. if (copper_module_type &
  7165. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7166. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7167. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7168. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7169. else
  7170. check_limiting_mode = 1;
  7171. } else {
  7172. *edc_mode = EDC_MODE_PASSIVE_DAC;
  7173. /* Even in case PASSIVE_DAC indication is not set,
  7174. * treat it as a passive DAC cable, since some cables
  7175. * don't have this indication.
  7176. */
  7177. if (copper_module_type &
  7178. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7179. DP(NETIF_MSG_LINK,
  7180. "Passive Copper cable detected\n");
  7181. } else {
  7182. DP(NETIF_MSG_LINK,
  7183. "Unknown copper-cable-type\n");
  7184. }
  7185. }
  7186. break;
  7187. }
  7188. case SFP_EEPROM_CON_TYPE_VAL_UNKNOWN:
  7189. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7190. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7191. check_limiting_mode = 1;
  7192. if (((val[SFP_EEPROM_10G_COMP_CODE_ADDR] &
  7193. (SFP_EEPROM_10G_COMP_CODE_SR_MASK |
  7194. SFP_EEPROM_10G_COMP_CODE_LR_MASK |
  7195. SFP_EEPROM_10G_COMP_CODE_LRM_MASK)) == 0) &&
  7196. (val[SFP_EEPROM_1G_COMP_CODE_ADDR] != 0)) {
  7197. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7198. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7199. if (phy->req_line_speed != SPEED_1000) {
  7200. u8 gport = params->port;
  7201. phy->req_line_speed = SPEED_1000;
  7202. if (!CHIP_IS_E1x(bp)) {
  7203. gport = BP_PATH(bp) +
  7204. (params->port << 1);
  7205. }
  7206. netdev_err(bp->dev,
  7207. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7208. gport);
  7209. }
  7210. if (val[SFP_EEPROM_1G_COMP_CODE_ADDR] &
  7211. SFP_EEPROM_1G_COMP_CODE_BASE_T) {
  7212. bnx2x_sfp_set_transmitter(params, phy, 0);
  7213. msleep(40);
  7214. bnx2x_sfp_set_transmitter(params, phy, 1);
  7215. }
  7216. } else {
  7217. int idx, cfg_idx = 0;
  7218. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7219. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7220. if (params->phy[idx].type == phy->type) {
  7221. cfg_idx = LINK_CONFIG_IDX(idx);
  7222. break;
  7223. }
  7224. }
  7225. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7226. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7227. }
  7228. break;
  7229. default:
  7230. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7231. val[SFP_EEPROM_CON_TYPE_ADDR]);
  7232. return -EINVAL;
  7233. }
  7234. sync_offset = params->shmem_base +
  7235. offsetof(struct shmem_region,
  7236. dev_info.port_hw_config[params->port].media_type);
  7237. media_types = REG_RD(bp, sync_offset);
  7238. /* Update media type for non-PMF sync */
  7239. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7240. if (&(params->phy[phy_idx]) == phy) {
  7241. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7242. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7243. media_types |= ((phy->media_type &
  7244. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7245. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7246. break;
  7247. }
  7248. }
  7249. REG_WR(bp, sync_offset, media_types);
  7250. if (check_limiting_mode) {
  7251. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7252. if (bnx2x_read_sfp_module_eeprom(phy,
  7253. params,
  7254. I2C_DEV_ADDR_A0,
  7255. SFP_EEPROM_OPTIONS_ADDR,
  7256. SFP_EEPROM_OPTIONS_SIZE,
  7257. options) != 0) {
  7258. DP(NETIF_MSG_LINK,
  7259. "Failed to read Option field from module EEPROM\n");
  7260. return -EINVAL;
  7261. }
  7262. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7263. *edc_mode = EDC_MODE_LINEAR;
  7264. else
  7265. *edc_mode = EDC_MODE_LIMITING;
  7266. }
  7267. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7268. return 0;
  7269. }
  7270. /* This function read the relevant field from the module (SFP+), and verify it
  7271. * is compliant with this board
  7272. */
  7273. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7274. struct link_params *params)
  7275. {
  7276. struct bnx2x *bp = params->bp;
  7277. u32 val, cmd;
  7278. u32 fw_resp, fw_cmd_param;
  7279. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7280. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7281. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7282. val = REG_RD(bp, params->shmem_base +
  7283. offsetof(struct shmem_region, dev_info.
  7284. port_feature_config[params->port].config));
  7285. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7286. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7287. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7288. return 0;
  7289. }
  7290. if (params->feature_config_flags &
  7291. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7292. /* Use specific phy request */
  7293. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7294. } else if (params->feature_config_flags &
  7295. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7296. /* Use first phy request only in case of non-dual media*/
  7297. if (DUAL_MEDIA(params)) {
  7298. DP(NETIF_MSG_LINK,
  7299. "FW does not support OPT MDL verification\n");
  7300. return -EINVAL;
  7301. }
  7302. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7303. } else {
  7304. /* No support in OPT MDL detection */
  7305. DP(NETIF_MSG_LINK,
  7306. "FW does not support OPT MDL verification\n");
  7307. return -EINVAL;
  7308. }
  7309. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7310. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7311. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7312. DP(NETIF_MSG_LINK, "Approved module\n");
  7313. return 0;
  7314. }
  7315. /* Format the warning message */
  7316. if (bnx2x_read_sfp_module_eeprom(phy,
  7317. params,
  7318. I2C_DEV_ADDR_A0,
  7319. SFP_EEPROM_VENDOR_NAME_ADDR,
  7320. SFP_EEPROM_VENDOR_NAME_SIZE,
  7321. (u8 *)vendor_name))
  7322. vendor_name[0] = '\0';
  7323. else
  7324. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7325. if (bnx2x_read_sfp_module_eeprom(phy,
  7326. params,
  7327. I2C_DEV_ADDR_A0,
  7328. SFP_EEPROM_PART_NO_ADDR,
  7329. SFP_EEPROM_PART_NO_SIZE,
  7330. (u8 *)vendor_pn))
  7331. vendor_pn[0] = '\0';
  7332. else
  7333. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7334. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7335. " Port %d from %s part number %s\n",
  7336. params->port, vendor_name, vendor_pn);
  7337. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7338. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7339. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7340. return -EINVAL;
  7341. }
  7342. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7343. struct link_params *params)
  7344. {
  7345. u8 val;
  7346. int rc;
  7347. struct bnx2x *bp = params->bp;
  7348. u16 timeout;
  7349. /* Initialization time after hot-plug may take up to 300ms for
  7350. * some phys type ( e.g. JDSU )
  7351. */
  7352. for (timeout = 0; timeout < 60; timeout++) {
  7353. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7354. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7355. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7356. 1);
  7357. else
  7358. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7359. I2C_DEV_ADDR_A0,
  7360. 1, 1, &val);
  7361. if (rc == 0) {
  7362. DP(NETIF_MSG_LINK,
  7363. "SFP+ module initialization took %d ms\n",
  7364. timeout * 5);
  7365. return 0;
  7366. }
  7367. usleep_range(5000, 10000);
  7368. }
  7369. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7370. 1, 1, &val);
  7371. return rc;
  7372. }
  7373. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7374. struct bnx2x_phy *phy,
  7375. u8 is_power_up) {
  7376. /* Make sure GPIOs are not using for LED mode */
  7377. u16 val;
  7378. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7379. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7380. * output
  7381. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7382. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7383. * where the 1st bit is the over-current(only input), and 2nd bit is
  7384. * for power( only output )
  7385. *
  7386. * In case of NOC feature is disabled and power is up, set GPIO control
  7387. * as input to enable listening of over-current indication
  7388. */
  7389. if (phy->flags & FLAGS_NOC)
  7390. return;
  7391. if (is_power_up)
  7392. val = (1<<4);
  7393. else
  7394. /* Set GPIO control to OUTPUT, and set the power bit
  7395. * to according to the is_power_up
  7396. */
  7397. val = (1<<1);
  7398. bnx2x_cl45_write(bp, phy,
  7399. MDIO_PMA_DEVAD,
  7400. MDIO_PMA_REG_8727_GPIO_CTRL,
  7401. val);
  7402. }
  7403. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7404. struct bnx2x_phy *phy,
  7405. u16 edc_mode)
  7406. {
  7407. u16 cur_limiting_mode;
  7408. bnx2x_cl45_read(bp, phy,
  7409. MDIO_PMA_DEVAD,
  7410. MDIO_PMA_REG_ROM_VER2,
  7411. &cur_limiting_mode);
  7412. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7413. cur_limiting_mode);
  7414. if (edc_mode == EDC_MODE_LIMITING) {
  7415. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7416. bnx2x_cl45_write(bp, phy,
  7417. MDIO_PMA_DEVAD,
  7418. MDIO_PMA_REG_ROM_VER2,
  7419. EDC_MODE_LIMITING);
  7420. } else { /* LRM mode ( default )*/
  7421. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7422. /* Changing to LRM mode takes quite few seconds. So do it only
  7423. * if current mode is limiting (default is LRM)
  7424. */
  7425. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7426. return 0;
  7427. bnx2x_cl45_write(bp, phy,
  7428. MDIO_PMA_DEVAD,
  7429. MDIO_PMA_REG_LRM_MODE,
  7430. 0);
  7431. bnx2x_cl45_write(bp, phy,
  7432. MDIO_PMA_DEVAD,
  7433. MDIO_PMA_REG_ROM_VER2,
  7434. 0x128);
  7435. bnx2x_cl45_write(bp, phy,
  7436. MDIO_PMA_DEVAD,
  7437. MDIO_PMA_REG_MISC_CTRL0,
  7438. 0x4008);
  7439. bnx2x_cl45_write(bp, phy,
  7440. MDIO_PMA_DEVAD,
  7441. MDIO_PMA_REG_LRM_MODE,
  7442. 0xaaaa);
  7443. }
  7444. return 0;
  7445. }
  7446. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7447. struct bnx2x_phy *phy,
  7448. u16 edc_mode)
  7449. {
  7450. u16 phy_identifier;
  7451. u16 rom_ver2_val;
  7452. bnx2x_cl45_read(bp, phy,
  7453. MDIO_PMA_DEVAD,
  7454. MDIO_PMA_REG_PHY_IDENTIFIER,
  7455. &phy_identifier);
  7456. bnx2x_cl45_write(bp, phy,
  7457. MDIO_PMA_DEVAD,
  7458. MDIO_PMA_REG_PHY_IDENTIFIER,
  7459. (phy_identifier & ~(1<<9)));
  7460. bnx2x_cl45_read(bp, phy,
  7461. MDIO_PMA_DEVAD,
  7462. MDIO_PMA_REG_ROM_VER2,
  7463. &rom_ver2_val);
  7464. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7465. bnx2x_cl45_write(bp, phy,
  7466. MDIO_PMA_DEVAD,
  7467. MDIO_PMA_REG_ROM_VER2,
  7468. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7469. bnx2x_cl45_write(bp, phy,
  7470. MDIO_PMA_DEVAD,
  7471. MDIO_PMA_REG_PHY_IDENTIFIER,
  7472. (phy_identifier | (1<<9)));
  7473. return 0;
  7474. }
  7475. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7476. struct link_params *params,
  7477. u32 action)
  7478. {
  7479. struct bnx2x *bp = params->bp;
  7480. u16 val;
  7481. switch (action) {
  7482. case DISABLE_TX:
  7483. bnx2x_sfp_set_transmitter(params, phy, 0);
  7484. break;
  7485. case ENABLE_TX:
  7486. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7487. bnx2x_sfp_set_transmitter(params, phy, 1);
  7488. break;
  7489. case PHY_INIT:
  7490. bnx2x_cl45_write(bp, phy,
  7491. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7492. (1<<2) | (1<<5));
  7493. bnx2x_cl45_write(bp, phy,
  7494. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7495. 0);
  7496. bnx2x_cl45_write(bp, phy,
  7497. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7498. /* Make MOD_ABS give interrupt on change */
  7499. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7500. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7501. &val);
  7502. val |= (1<<12);
  7503. if (phy->flags & FLAGS_NOC)
  7504. val |= (3<<5);
  7505. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7506. * status which reflect SFP+ module over-current
  7507. */
  7508. if (!(phy->flags & FLAGS_NOC))
  7509. val &= 0xff8f; /* Reset bits 4-6 */
  7510. bnx2x_cl45_write(bp, phy,
  7511. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7512. val);
  7513. break;
  7514. default:
  7515. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7516. action);
  7517. return;
  7518. }
  7519. }
  7520. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7521. u8 gpio_mode)
  7522. {
  7523. struct bnx2x *bp = params->bp;
  7524. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7525. offsetof(struct shmem_region,
  7526. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7527. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7528. switch (fault_led_gpio) {
  7529. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7530. return;
  7531. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7532. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7533. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7534. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7535. {
  7536. u8 gpio_port = bnx2x_get_gpio_port(params);
  7537. u16 gpio_pin = fault_led_gpio -
  7538. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7539. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7540. "pin %x port %x mode %x\n",
  7541. gpio_pin, gpio_port, gpio_mode);
  7542. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7543. }
  7544. break;
  7545. default:
  7546. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7547. fault_led_gpio);
  7548. }
  7549. }
  7550. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7551. u8 gpio_mode)
  7552. {
  7553. u32 pin_cfg;
  7554. u8 port = params->port;
  7555. struct bnx2x *bp = params->bp;
  7556. pin_cfg = (REG_RD(bp, params->shmem_base +
  7557. offsetof(struct shmem_region,
  7558. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7559. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7560. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7561. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7562. gpio_mode, pin_cfg);
  7563. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7564. }
  7565. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7566. u8 gpio_mode)
  7567. {
  7568. struct bnx2x *bp = params->bp;
  7569. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7570. if (CHIP_IS_E3(bp)) {
  7571. /* Low ==> if SFP+ module is supported otherwise
  7572. * High ==> if SFP+ module is not on the approved vendor list
  7573. */
  7574. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7575. } else
  7576. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7577. }
  7578. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7579. struct link_params *params)
  7580. {
  7581. struct bnx2x *bp = params->bp;
  7582. bnx2x_warpcore_power_module(params, 0);
  7583. /* Put Warpcore in low power mode */
  7584. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7585. /* Put LCPLL in low power mode */
  7586. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7587. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7588. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7589. }
  7590. static void bnx2x_power_sfp_module(struct link_params *params,
  7591. struct bnx2x_phy *phy,
  7592. u8 power)
  7593. {
  7594. struct bnx2x *bp = params->bp;
  7595. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7596. switch (phy->type) {
  7597. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7598. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7599. bnx2x_8727_power_module(params->bp, phy, power);
  7600. break;
  7601. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7602. bnx2x_warpcore_power_module(params, power);
  7603. break;
  7604. default:
  7605. break;
  7606. }
  7607. }
  7608. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7609. struct bnx2x_phy *phy,
  7610. u16 edc_mode)
  7611. {
  7612. u16 val = 0;
  7613. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7614. struct bnx2x *bp = params->bp;
  7615. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7616. /* This is a global register which controls all lanes */
  7617. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7618. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7619. val &= ~(0xf << (lane << 2));
  7620. switch (edc_mode) {
  7621. case EDC_MODE_LINEAR:
  7622. case EDC_MODE_LIMITING:
  7623. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7624. break;
  7625. case EDC_MODE_PASSIVE_DAC:
  7626. case EDC_MODE_ACTIVE_DAC:
  7627. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7628. break;
  7629. default:
  7630. break;
  7631. }
  7632. val |= (mode << (lane << 2));
  7633. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7634. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7635. /* A must read */
  7636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7637. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7638. /* Restart microcode to re-read the new mode */
  7639. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7640. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7641. }
  7642. static void bnx2x_set_limiting_mode(struct link_params *params,
  7643. struct bnx2x_phy *phy,
  7644. u16 edc_mode)
  7645. {
  7646. switch (phy->type) {
  7647. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7648. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7649. break;
  7650. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7651. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7652. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7653. break;
  7654. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7655. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7656. break;
  7657. }
  7658. }
  7659. static int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7660. struct link_params *params)
  7661. {
  7662. struct bnx2x *bp = params->bp;
  7663. u16 edc_mode;
  7664. int rc = 0;
  7665. u32 val = REG_RD(bp, params->shmem_base +
  7666. offsetof(struct shmem_region, dev_info.
  7667. port_feature_config[params->port].config));
  7668. /* Enabled transmitter by default */
  7669. bnx2x_sfp_set_transmitter(params, phy, 1);
  7670. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7671. params->port);
  7672. /* Power up module */
  7673. bnx2x_power_sfp_module(params, phy, 1);
  7674. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7675. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7676. return -EINVAL;
  7677. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7678. /* Check SFP+ module compatibility */
  7679. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7680. rc = -EINVAL;
  7681. /* Turn on fault module-detected led */
  7682. bnx2x_set_sfp_module_fault_led(params,
  7683. MISC_REGISTERS_GPIO_HIGH);
  7684. /* Check if need to power down the SFP+ module */
  7685. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7686. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7687. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7688. bnx2x_power_sfp_module(params, phy, 0);
  7689. return rc;
  7690. }
  7691. } else {
  7692. /* Turn off fault module-detected led */
  7693. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7694. }
  7695. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7696. * is done automatically
  7697. */
  7698. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7699. /* Disable transmit for this module if the module is not approved, and
  7700. * laser needs to be disabled.
  7701. */
  7702. if ((rc) &&
  7703. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7704. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7705. bnx2x_sfp_set_transmitter(params, phy, 0);
  7706. return rc;
  7707. }
  7708. void bnx2x_handle_module_detect_int(struct link_params *params)
  7709. {
  7710. struct bnx2x *bp = params->bp;
  7711. struct bnx2x_phy *phy;
  7712. u32 gpio_val;
  7713. u8 gpio_num, gpio_port;
  7714. if (CHIP_IS_E3(bp)) {
  7715. phy = &params->phy[INT_PHY];
  7716. /* Always enable TX laser,will be disabled in case of fault */
  7717. bnx2x_sfp_set_transmitter(params, phy, 1);
  7718. } else {
  7719. phy = &params->phy[EXT_PHY1];
  7720. }
  7721. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7722. params->port, &gpio_num, &gpio_port) ==
  7723. -EINVAL) {
  7724. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7725. return;
  7726. }
  7727. /* Set valid module led off */
  7728. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7729. /* Get current gpio val reflecting module plugged in / out*/
  7730. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7731. /* Call the handling function in case module is detected */
  7732. if (gpio_val == 0) {
  7733. bnx2x_set_mdio_emac_per_phy(bp, params);
  7734. bnx2x_set_aer_mmd(params, phy);
  7735. bnx2x_power_sfp_module(params, phy, 1);
  7736. bnx2x_set_gpio_int(bp, gpio_num,
  7737. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7738. gpio_port);
  7739. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7740. bnx2x_sfp_module_detection(phy, params);
  7741. if (CHIP_IS_E3(bp)) {
  7742. u16 rx_tx_in_reset;
  7743. /* In case WC is out of reset, reconfigure the
  7744. * link speed while taking into account 1G
  7745. * module limitation.
  7746. */
  7747. bnx2x_cl45_read(bp, phy,
  7748. MDIO_WC_DEVAD,
  7749. MDIO_WC_REG_DIGITAL5_MISC6,
  7750. &rx_tx_in_reset);
  7751. if ((!rx_tx_in_reset) &&
  7752. (params->link_flags &
  7753. PHY_INITIALIZED)) {
  7754. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7755. bnx2x_warpcore_config_sfi(phy, params);
  7756. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7757. }
  7758. }
  7759. } else {
  7760. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7761. }
  7762. } else {
  7763. bnx2x_set_gpio_int(bp, gpio_num,
  7764. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7765. gpio_port);
  7766. /* Module was plugged out.
  7767. * Disable transmit for this module
  7768. */
  7769. phy->media_type = ETH_PHY_NOT_PRESENT;
  7770. }
  7771. }
  7772. /******************************************************************/
  7773. /* Used by 8706 and 8727 */
  7774. /******************************************************************/
  7775. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7776. struct bnx2x_phy *phy,
  7777. u16 alarm_status_offset,
  7778. u16 alarm_ctrl_offset)
  7779. {
  7780. u16 alarm_status, val;
  7781. bnx2x_cl45_read(bp, phy,
  7782. MDIO_PMA_DEVAD, alarm_status_offset,
  7783. &alarm_status);
  7784. bnx2x_cl45_read(bp, phy,
  7785. MDIO_PMA_DEVAD, alarm_status_offset,
  7786. &alarm_status);
  7787. /* Mask or enable the fault event. */
  7788. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7789. if (alarm_status & (1<<0))
  7790. val &= ~(1<<0);
  7791. else
  7792. val |= (1<<0);
  7793. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7794. }
  7795. /******************************************************************/
  7796. /* common BCM8706/BCM8726 PHY SECTION */
  7797. /******************************************************************/
  7798. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7799. struct link_params *params,
  7800. struct link_vars *vars)
  7801. {
  7802. u8 link_up = 0;
  7803. u16 val1, val2, rx_sd, pcs_status;
  7804. struct bnx2x *bp = params->bp;
  7805. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7806. /* Clear RX Alarm*/
  7807. bnx2x_cl45_read(bp, phy,
  7808. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7809. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7810. MDIO_PMA_LASI_TXCTRL);
  7811. /* Clear LASI indication*/
  7812. bnx2x_cl45_read(bp, phy,
  7813. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7814. bnx2x_cl45_read(bp, phy,
  7815. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7816. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7817. bnx2x_cl45_read(bp, phy,
  7818. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7819. bnx2x_cl45_read(bp, phy,
  7820. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7821. bnx2x_cl45_read(bp, phy,
  7822. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7823. bnx2x_cl45_read(bp, phy,
  7824. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7825. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7826. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7827. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7828. * are set, or if the autoneg bit 1 is set
  7829. */
  7830. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7831. if (link_up) {
  7832. if (val2 & (1<<1))
  7833. vars->line_speed = SPEED_1000;
  7834. else
  7835. vars->line_speed = SPEED_10000;
  7836. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7837. vars->duplex = DUPLEX_FULL;
  7838. }
  7839. /* Capture 10G link fault. Read twice to clear stale value. */
  7840. if (vars->line_speed == SPEED_10000) {
  7841. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7842. MDIO_PMA_LASI_TXSTAT, &val1);
  7843. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7844. MDIO_PMA_LASI_TXSTAT, &val1);
  7845. if (val1 & (1<<0))
  7846. vars->fault_detected = 1;
  7847. }
  7848. return link_up;
  7849. }
  7850. /******************************************************************/
  7851. /* BCM8706 PHY SECTION */
  7852. /******************************************************************/
  7853. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7854. struct link_params *params,
  7855. struct link_vars *vars)
  7856. {
  7857. u32 tx_en_mode;
  7858. u16 cnt, val, tmp1;
  7859. struct bnx2x *bp = params->bp;
  7860. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7861. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7862. /* HW reset */
  7863. bnx2x_ext_phy_hw_reset(bp, params->port);
  7864. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7865. bnx2x_wait_reset_complete(bp, phy, params);
  7866. /* Wait until fw is loaded */
  7867. for (cnt = 0; cnt < 100; cnt++) {
  7868. bnx2x_cl45_read(bp, phy,
  7869. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7870. if (val)
  7871. break;
  7872. usleep_range(10000, 20000);
  7873. }
  7874. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7875. if ((params->feature_config_flags &
  7876. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7877. u8 i;
  7878. u16 reg;
  7879. for (i = 0; i < 4; i++) {
  7880. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7881. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7882. MDIO_XS_8706_REG_BANK_RX0);
  7883. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7884. /* Clear first 3 bits of the control */
  7885. val &= ~0x7;
  7886. /* Set control bits according to configuration */
  7887. val |= (phy->rx_preemphasis[i] & 0x7);
  7888. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7889. " reg 0x%x <-- val 0x%x\n", reg, val);
  7890. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7891. }
  7892. }
  7893. /* Force speed */
  7894. if (phy->req_line_speed == SPEED_10000) {
  7895. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_PMA_DEVAD,
  7898. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7899. bnx2x_cl45_write(bp, phy,
  7900. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7901. 0);
  7902. /* Arm LASI for link and Tx fault. */
  7903. bnx2x_cl45_write(bp, phy,
  7904. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7905. } else {
  7906. /* Force 1Gbps using autoneg with 1G advertisement */
  7907. /* Allow CL37 through CL73 */
  7908. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7909. bnx2x_cl45_write(bp, phy,
  7910. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7911. /* Enable Full-Duplex advertisement on CL37 */
  7912. bnx2x_cl45_write(bp, phy,
  7913. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7914. /* Enable CL37 AN */
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7917. /* 1G support */
  7918. bnx2x_cl45_write(bp, phy,
  7919. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7920. /* Enable clause 73 AN */
  7921. bnx2x_cl45_write(bp, phy,
  7922. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7923. bnx2x_cl45_write(bp, phy,
  7924. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7925. 0x0400);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7928. 0x0004);
  7929. }
  7930. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7931. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7932. * power mode, if TX Laser is disabled
  7933. */
  7934. tx_en_mode = REG_RD(bp, params->shmem_base +
  7935. offsetof(struct shmem_region,
  7936. dev_info.port_hw_config[params->port].sfp_ctrl))
  7937. & PORT_HW_CFG_TX_LASER_MASK;
  7938. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7939. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7940. bnx2x_cl45_read(bp, phy,
  7941. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7942. tmp1 |= 0x1;
  7943. bnx2x_cl45_write(bp, phy,
  7944. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7945. }
  7946. return 0;
  7947. }
  7948. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7949. struct link_params *params,
  7950. struct link_vars *vars)
  7951. {
  7952. return bnx2x_8706_8726_read_status(phy, params, vars);
  7953. }
  7954. /******************************************************************/
  7955. /* BCM8726 PHY SECTION */
  7956. /******************************************************************/
  7957. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7958. struct link_params *params)
  7959. {
  7960. struct bnx2x *bp = params->bp;
  7961. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7962. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7963. }
  7964. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7965. struct link_params *params)
  7966. {
  7967. struct bnx2x *bp = params->bp;
  7968. /* Need to wait 100ms after reset */
  7969. msleep(100);
  7970. /* Micro controller re-boot */
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7973. /* Set soft reset */
  7974. bnx2x_cl45_write(bp, phy,
  7975. MDIO_PMA_DEVAD,
  7976. MDIO_PMA_REG_GEN_CTRL,
  7977. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7978. bnx2x_cl45_write(bp, phy,
  7979. MDIO_PMA_DEVAD,
  7980. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7981. bnx2x_cl45_write(bp, phy,
  7982. MDIO_PMA_DEVAD,
  7983. MDIO_PMA_REG_GEN_CTRL,
  7984. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7985. /* Wait for 150ms for microcode load */
  7986. msleep(150);
  7987. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7988. bnx2x_cl45_write(bp, phy,
  7989. MDIO_PMA_DEVAD,
  7990. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7991. msleep(200);
  7992. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7993. }
  7994. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7995. struct link_params *params,
  7996. struct link_vars *vars)
  7997. {
  7998. struct bnx2x *bp = params->bp;
  7999. u16 val1;
  8000. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  8001. if (link_up) {
  8002. bnx2x_cl45_read(bp, phy,
  8003. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8004. &val1);
  8005. if (val1 & (1<<15)) {
  8006. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8007. link_up = 0;
  8008. vars->line_speed = 0;
  8009. }
  8010. }
  8011. return link_up;
  8012. }
  8013. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  8014. struct link_params *params,
  8015. struct link_vars *vars)
  8016. {
  8017. struct bnx2x *bp = params->bp;
  8018. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  8019. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8020. bnx2x_wait_reset_complete(bp, phy, params);
  8021. bnx2x_8726_external_rom_boot(phy, params);
  8022. /* Need to call module detected on initialization since the module
  8023. * detection triggered by actual module insertion might occur before
  8024. * driver is loaded, and when driver is loaded, it reset all
  8025. * registers, including the transmitter
  8026. */
  8027. bnx2x_sfp_module_detection(phy, params);
  8028. if (phy->req_line_speed == SPEED_1000) {
  8029. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8030. bnx2x_cl45_write(bp, phy,
  8031. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8032. bnx2x_cl45_write(bp, phy,
  8033. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8034. bnx2x_cl45_write(bp, phy,
  8035. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  8036. bnx2x_cl45_write(bp, phy,
  8037. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8038. 0x400);
  8039. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8040. (phy->speed_cap_mask &
  8041. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  8042. ((phy->speed_cap_mask &
  8043. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8044. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8045. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8046. /* Set Flow control */
  8047. bnx2x_ext_phy_set_pause(params, phy, vars);
  8048. bnx2x_cl45_write(bp, phy,
  8049. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  8050. bnx2x_cl45_write(bp, phy,
  8051. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8052. bnx2x_cl45_write(bp, phy,
  8053. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8054. bnx2x_cl45_write(bp, phy,
  8055. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8056. bnx2x_cl45_write(bp, phy,
  8057. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8058. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8059. * change
  8060. */
  8061. bnx2x_cl45_write(bp, phy,
  8062. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8063. bnx2x_cl45_write(bp, phy,
  8064. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8065. 0x400);
  8066. } else { /* Default 10G. Set only LASI control */
  8067. bnx2x_cl45_write(bp, phy,
  8068. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8069. }
  8070. /* Set TX PreEmphasis if needed */
  8071. if ((params->feature_config_flags &
  8072. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8073. DP(NETIF_MSG_LINK,
  8074. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8075. phy->tx_preemphasis[0],
  8076. phy->tx_preemphasis[1]);
  8077. bnx2x_cl45_write(bp, phy,
  8078. MDIO_PMA_DEVAD,
  8079. MDIO_PMA_REG_8726_TX_CTRL1,
  8080. phy->tx_preemphasis[0]);
  8081. bnx2x_cl45_write(bp, phy,
  8082. MDIO_PMA_DEVAD,
  8083. MDIO_PMA_REG_8726_TX_CTRL2,
  8084. phy->tx_preemphasis[1]);
  8085. }
  8086. return 0;
  8087. }
  8088. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8089. struct link_params *params)
  8090. {
  8091. struct bnx2x *bp = params->bp;
  8092. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8093. /* Set serial boot control for external load */
  8094. bnx2x_cl45_write(bp, phy,
  8095. MDIO_PMA_DEVAD,
  8096. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8097. }
  8098. /******************************************************************/
  8099. /* BCM8727 PHY SECTION */
  8100. /******************************************************************/
  8101. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8102. struct link_params *params, u8 mode)
  8103. {
  8104. struct bnx2x *bp = params->bp;
  8105. u16 led_mode_bitmask = 0;
  8106. u16 gpio_pins_bitmask = 0;
  8107. u16 val;
  8108. /* Only NOC flavor requires to set the LED specifically */
  8109. if (!(phy->flags & FLAGS_NOC))
  8110. return;
  8111. switch (mode) {
  8112. case LED_MODE_FRONT_PANEL_OFF:
  8113. case LED_MODE_OFF:
  8114. led_mode_bitmask = 0;
  8115. gpio_pins_bitmask = 0x03;
  8116. break;
  8117. case LED_MODE_ON:
  8118. led_mode_bitmask = 0;
  8119. gpio_pins_bitmask = 0x02;
  8120. break;
  8121. case LED_MODE_OPER:
  8122. led_mode_bitmask = 0x60;
  8123. gpio_pins_bitmask = 0x11;
  8124. break;
  8125. }
  8126. bnx2x_cl45_read(bp, phy,
  8127. MDIO_PMA_DEVAD,
  8128. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8129. &val);
  8130. val &= 0xff8f;
  8131. val |= led_mode_bitmask;
  8132. bnx2x_cl45_write(bp, phy,
  8133. MDIO_PMA_DEVAD,
  8134. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8135. val);
  8136. bnx2x_cl45_read(bp, phy,
  8137. MDIO_PMA_DEVAD,
  8138. MDIO_PMA_REG_8727_GPIO_CTRL,
  8139. &val);
  8140. val &= 0xffe0;
  8141. val |= gpio_pins_bitmask;
  8142. bnx2x_cl45_write(bp, phy,
  8143. MDIO_PMA_DEVAD,
  8144. MDIO_PMA_REG_8727_GPIO_CTRL,
  8145. val);
  8146. }
  8147. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8148. struct link_params *params) {
  8149. u32 swap_val, swap_override;
  8150. u8 port;
  8151. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8152. * to cancel the swap done in set_gpio()
  8153. */
  8154. struct bnx2x *bp = params->bp;
  8155. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8156. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8157. port = (swap_val && swap_override) ^ 1;
  8158. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8159. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8160. }
  8161. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8162. struct link_params *params)
  8163. {
  8164. struct bnx2x *bp = params->bp;
  8165. u16 tmp1, val;
  8166. /* Set option 1G speed */
  8167. if ((phy->req_line_speed == SPEED_1000) ||
  8168. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8169. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8170. bnx2x_cl45_write(bp, phy,
  8171. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8172. bnx2x_cl45_write(bp, phy,
  8173. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8174. bnx2x_cl45_read(bp, phy,
  8175. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8176. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8177. /* Power down the XAUI until link is up in case of dual-media
  8178. * and 1G
  8179. */
  8180. if (DUAL_MEDIA(params)) {
  8181. bnx2x_cl45_read(bp, phy,
  8182. MDIO_PMA_DEVAD,
  8183. MDIO_PMA_REG_8727_PCS_GP, &val);
  8184. val |= (3<<10);
  8185. bnx2x_cl45_write(bp, phy,
  8186. MDIO_PMA_DEVAD,
  8187. MDIO_PMA_REG_8727_PCS_GP, val);
  8188. }
  8189. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8190. ((phy->speed_cap_mask &
  8191. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8192. ((phy->speed_cap_mask &
  8193. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8194. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8195. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8196. bnx2x_cl45_write(bp, phy,
  8197. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8198. bnx2x_cl45_write(bp, phy,
  8199. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8200. } else {
  8201. /* Since the 8727 has only single reset pin, need to set the 10G
  8202. * registers although it is default
  8203. */
  8204. bnx2x_cl45_write(bp, phy,
  8205. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8206. 0x0020);
  8207. bnx2x_cl45_write(bp, phy,
  8208. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8209. bnx2x_cl45_write(bp, phy,
  8210. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8211. bnx2x_cl45_write(bp, phy,
  8212. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8213. 0x0008);
  8214. }
  8215. }
  8216. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8217. struct link_params *params,
  8218. struct link_vars *vars)
  8219. {
  8220. u32 tx_en_mode;
  8221. u16 tmp1, mod_abs, tmp2;
  8222. struct bnx2x *bp = params->bp;
  8223. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8224. bnx2x_wait_reset_complete(bp, phy, params);
  8225. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8226. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8227. /* Initially configure MOD_ABS to interrupt when module is
  8228. * presence( bit 8)
  8229. */
  8230. bnx2x_cl45_read(bp, phy,
  8231. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8232. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8233. * When the EDC is off it locks onto a reference clock and avoids
  8234. * becoming 'lost'
  8235. */
  8236. mod_abs &= ~(1<<8);
  8237. if (!(phy->flags & FLAGS_NOC))
  8238. mod_abs &= ~(1<<9);
  8239. bnx2x_cl45_write(bp, phy,
  8240. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8241. /* Enable/Disable PHY transmitter output */
  8242. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8243. bnx2x_8727_power_module(bp, phy, 1);
  8244. bnx2x_cl45_read(bp, phy,
  8245. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8246. bnx2x_cl45_read(bp, phy,
  8247. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8248. bnx2x_8727_config_speed(phy, params);
  8249. /* Set TX PreEmphasis if needed */
  8250. if ((params->feature_config_flags &
  8251. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8252. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8253. phy->tx_preemphasis[0],
  8254. phy->tx_preemphasis[1]);
  8255. bnx2x_cl45_write(bp, phy,
  8256. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8257. phy->tx_preemphasis[0]);
  8258. bnx2x_cl45_write(bp, phy,
  8259. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8260. phy->tx_preemphasis[1]);
  8261. }
  8262. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8263. * power mode, if TX Laser is disabled
  8264. */
  8265. tx_en_mode = REG_RD(bp, params->shmem_base +
  8266. offsetof(struct shmem_region,
  8267. dev_info.port_hw_config[params->port].sfp_ctrl))
  8268. & PORT_HW_CFG_TX_LASER_MASK;
  8269. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8270. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8271. bnx2x_cl45_read(bp, phy,
  8272. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8273. tmp2 |= 0x1000;
  8274. tmp2 &= 0xFFEF;
  8275. bnx2x_cl45_write(bp, phy,
  8276. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8277. bnx2x_cl45_read(bp, phy,
  8278. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8279. &tmp2);
  8280. bnx2x_cl45_write(bp, phy,
  8281. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8282. (tmp2 & 0x7fff));
  8283. }
  8284. return 0;
  8285. }
  8286. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8287. struct link_params *params)
  8288. {
  8289. struct bnx2x *bp = params->bp;
  8290. u16 mod_abs, rx_alarm_status;
  8291. u32 val = REG_RD(bp, params->shmem_base +
  8292. offsetof(struct shmem_region, dev_info.
  8293. port_feature_config[params->port].
  8294. config));
  8295. bnx2x_cl45_read(bp, phy,
  8296. MDIO_PMA_DEVAD,
  8297. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8298. if (mod_abs & (1<<8)) {
  8299. /* Module is absent */
  8300. DP(NETIF_MSG_LINK,
  8301. "MOD_ABS indication show module is absent\n");
  8302. phy->media_type = ETH_PHY_NOT_PRESENT;
  8303. /* 1. Set mod_abs to detect next module
  8304. * presence event
  8305. * 2. Set EDC off by setting OPTXLOS signal input to low
  8306. * (bit 9).
  8307. * When the EDC is off it locks onto a reference clock and
  8308. * avoids becoming 'lost'.
  8309. */
  8310. mod_abs &= ~(1<<8);
  8311. if (!(phy->flags & FLAGS_NOC))
  8312. mod_abs &= ~(1<<9);
  8313. bnx2x_cl45_write(bp, phy,
  8314. MDIO_PMA_DEVAD,
  8315. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8316. /* Clear RX alarm since it stays up as long as
  8317. * the mod_abs wasn't changed
  8318. */
  8319. bnx2x_cl45_read(bp, phy,
  8320. MDIO_PMA_DEVAD,
  8321. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8322. } else {
  8323. /* Module is present */
  8324. DP(NETIF_MSG_LINK,
  8325. "MOD_ABS indication show module is present\n");
  8326. /* First disable transmitter, and if the module is ok, the
  8327. * module_detection will enable it
  8328. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8329. * 2. Restore the default polarity of the OPRXLOS signal and
  8330. * this signal will then correctly indicate the presence or
  8331. * absence of the Rx signal. (bit 9)
  8332. */
  8333. mod_abs |= (1<<8);
  8334. if (!(phy->flags & FLAGS_NOC))
  8335. mod_abs |= (1<<9);
  8336. bnx2x_cl45_write(bp, phy,
  8337. MDIO_PMA_DEVAD,
  8338. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8339. /* Clear RX alarm since it stays up as long as the mod_abs
  8340. * wasn't changed. This is need to be done before calling the
  8341. * module detection, otherwise it will clear* the link update
  8342. * alarm
  8343. */
  8344. bnx2x_cl45_read(bp, phy,
  8345. MDIO_PMA_DEVAD,
  8346. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8347. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8348. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8349. bnx2x_sfp_set_transmitter(params, phy, 0);
  8350. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8351. bnx2x_sfp_module_detection(phy, params);
  8352. else
  8353. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8354. /* Reconfigure link speed based on module type limitations */
  8355. bnx2x_8727_config_speed(phy, params);
  8356. }
  8357. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8358. rx_alarm_status);
  8359. /* No need to check link status in case of module plugged in/out */
  8360. }
  8361. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8362. struct link_params *params,
  8363. struct link_vars *vars)
  8364. {
  8365. struct bnx2x *bp = params->bp;
  8366. u8 link_up = 0, oc_port = params->port;
  8367. u16 link_status = 0;
  8368. u16 rx_alarm_status, lasi_ctrl, val1;
  8369. /* If PHY is not initialized, do not check link status */
  8370. bnx2x_cl45_read(bp, phy,
  8371. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8372. &lasi_ctrl);
  8373. if (!lasi_ctrl)
  8374. return 0;
  8375. /* Check the LASI on Rx */
  8376. bnx2x_cl45_read(bp, phy,
  8377. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8378. &rx_alarm_status);
  8379. vars->line_speed = 0;
  8380. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8381. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8382. MDIO_PMA_LASI_TXCTRL);
  8383. bnx2x_cl45_read(bp, phy,
  8384. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8385. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8386. /* Clear MSG-OUT */
  8387. bnx2x_cl45_read(bp, phy,
  8388. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8389. /* If a module is present and there is need to check
  8390. * for over current
  8391. */
  8392. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8393. /* Check over-current using 8727 GPIO0 input*/
  8394. bnx2x_cl45_read(bp, phy,
  8395. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8396. &val1);
  8397. if ((val1 & (1<<8)) == 0) {
  8398. if (!CHIP_IS_E1x(bp))
  8399. oc_port = BP_PATH(bp) + (params->port << 1);
  8400. DP(NETIF_MSG_LINK,
  8401. "8727 Power fault has been detected on port %d\n",
  8402. oc_port);
  8403. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8404. "been detected and the power to "
  8405. "that SFP+ module has been removed "
  8406. "to prevent failure of the card. "
  8407. "Please remove the SFP+ module and "
  8408. "restart the system to clear this "
  8409. "error.\n",
  8410. oc_port);
  8411. /* Disable all RX_ALARMs except for mod_abs */
  8412. bnx2x_cl45_write(bp, phy,
  8413. MDIO_PMA_DEVAD,
  8414. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8415. bnx2x_cl45_read(bp, phy,
  8416. MDIO_PMA_DEVAD,
  8417. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8418. /* Wait for module_absent_event */
  8419. val1 |= (1<<8);
  8420. bnx2x_cl45_write(bp, phy,
  8421. MDIO_PMA_DEVAD,
  8422. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8423. /* Clear RX alarm */
  8424. bnx2x_cl45_read(bp, phy,
  8425. MDIO_PMA_DEVAD,
  8426. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8427. bnx2x_8727_power_module(params->bp, phy, 0);
  8428. return 0;
  8429. }
  8430. } /* Over current check */
  8431. /* When module absent bit is set, check module */
  8432. if (rx_alarm_status & (1<<5)) {
  8433. bnx2x_8727_handle_mod_abs(phy, params);
  8434. /* Enable all mod_abs and link detection bits */
  8435. bnx2x_cl45_write(bp, phy,
  8436. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8437. ((1<<5) | (1<<2)));
  8438. }
  8439. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8440. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8441. bnx2x_sfp_set_transmitter(params, phy, 1);
  8442. } else {
  8443. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8444. return 0;
  8445. }
  8446. bnx2x_cl45_read(bp, phy,
  8447. MDIO_PMA_DEVAD,
  8448. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8449. /* Bits 0..2 --> speed detected,
  8450. * Bits 13..15--> link is down
  8451. */
  8452. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8453. link_up = 1;
  8454. vars->line_speed = SPEED_10000;
  8455. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8456. params->port);
  8457. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8458. link_up = 1;
  8459. vars->line_speed = SPEED_1000;
  8460. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8461. params->port);
  8462. } else {
  8463. link_up = 0;
  8464. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8465. params->port);
  8466. }
  8467. /* Capture 10G link fault. */
  8468. if (vars->line_speed == SPEED_10000) {
  8469. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8470. MDIO_PMA_LASI_TXSTAT, &val1);
  8471. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8472. MDIO_PMA_LASI_TXSTAT, &val1);
  8473. if (val1 & (1<<0)) {
  8474. vars->fault_detected = 1;
  8475. }
  8476. }
  8477. if (link_up) {
  8478. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8479. vars->duplex = DUPLEX_FULL;
  8480. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8481. }
  8482. if ((DUAL_MEDIA(params)) &&
  8483. (phy->req_line_speed == SPEED_1000)) {
  8484. bnx2x_cl45_read(bp, phy,
  8485. MDIO_PMA_DEVAD,
  8486. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8487. /* In case of dual-media board and 1G, power up the XAUI side,
  8488. * otherwise power it down. For 10G it is done automatically
  8489. */
  8490. if (link_up)
  8491. val1 &= ~(3<<10);
  8492. else
  8493. val1 |= (3<<10);
  8494. bnx2x_cl45_write(bp, phy,
  8495. MDIO_PMA_DEVAD,
  8496. MDIO_PMA_REG_8727_PCS_GP, val1);
  8497. }
  8498. return link_up;
  8499. }
  8500. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8501. struct link_params *params)
  8502. {
  8503. struct bnx2x *bp = params->bp;
  8504. /* Enable/Disable PHY transmitter output */
  8505. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8506. /* Disable Transmitter */
  8507. bnx2x_sfp_set_transmitter(params, phy, 0);
  8508. /* Clear LASI */
  8509. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8510. }
  8511. /******************************************************************/
  8512. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8513. /******************************************************************/
  8514. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8515. struct bnx2x *bp,
  8516. u8 port)
  8517. {
  8518. u16 val, fw_ver2, cnt, i;
  8519. static struct bnx2x_reg_set reg_set[] = {
  8520. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8521. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8522. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8523. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8524. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8525. };
  8526. u16 fw_ver1;
  8527. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8528. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8529. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8530. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8531. phy->ver_addr);
  8532. } else {
  8533. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8534. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8535. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8536. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8537. reg_set[i].reg, reg_set[i].val);
  8538. for (cnt = 0; cnt < 100; cnt++) {
  8539. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8540. if (val & 1)
  8541. break;
  8542. udelay(5);
  8543. }
  8544. if (cnt == 100) {
  8545. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8546. "phy fw version(1)\n");
  8547. bnx2x_save_spirom_version(bp, port, 0,
  8548. phy->ver_addr);
  8549. return;
  8550. }
  8551. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8552. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8553. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8554. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8555. for (cnt = 0; cnt < 100; cnt++) {
  8556. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8557. if (val & 1)
  8558. break;
  8559. udelay(5);
  8560. }
  8561. if (cnt == 100) {
  8562. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8563. "version(2)\n");
  8564. bnx2x_save_spirom_version(bp, port, 0,
  8565. phy->ver_addr);
  8566. return;
  8567. }
  8568. /* lower 16 bits of the register SPI_FW_STATUS */
  8569. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8570. /* upper 16 bits of register SPI_FW_STATUS */
  8571. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8572. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8573. phy->ver_addr);
  8574. }
  8575. }
  8576. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8577. struct bnx2x_phy *phy)
  8578. {
  8579. u16 val, offset, i;
  8580. static struct bnx2x_reg_set reg_set[] = {
  8581. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8582. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8583. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8584. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8585. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8586. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8587. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8588. };
  8589. /* PHYC_CTL_LED_CTL */
  8590. bnx2x_cl45_read(bp, phy,
  8591. MDIO_PMA_DEVAD,
  8592. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8593. val &= 0xFE00;
  8594. val |= 0x0092;
  8595. bnx2x_cl45_write(bp, phy,
  8596. MDIO_PMA_DEVAD,
  8597. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8598. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8599. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8600. reg_set[i].val);
  8601. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8602. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8603. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8604. else
  8605. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8606. /* stretch_en for LED3*/
  8607. bnx2x_cl45_read_or_write(bp, phy,
  8608. MDIO_PMA_DEVAD, offset,
  8609. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8610. }
  8611. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8612. struct link_params *params,
  8613. u32 action)
  8614. {
  8615. struct bnx2x *bp = params->bp;
  8616. switch (action) {
  8617. case PHY_INIT:
  8618. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8619. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8620. /* Save spirom version */
  8621. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8622. }
  8623. /* This phy uses the NIG latch mechanism since link indication
  8624. * arrives through its LED4 and not via its LASI signal, so we
  8625. * get steady signal instead of clear on read
  8626. */
  8627. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8628. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8629. bnx2x_848xx_set_led(bp, phy);
  8630. break;
  8631. }
  8632. }
  8633. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8634. struct link_params *params,
  8635. struct link_vars *vars)
  8636. {
  8637. struct bnx2x *bp = params->bp;
  8638. u16 autoneg_val, an_1000_val, an_10_100_val;
  8639. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8640. bnx2x_cl45_write(bp, phy,
  8641. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8642. /* set 1000 speed advertisement */
  8643. bnx2x_cl45_read(bp, phy,
  8644. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8645. &an_1000_val);
  8646. bnx2x_ext_phy_set_pause(params, phy, vars);
  8647. bnx2x_cl45_read(bp, phy,
  8648. MDIO_AN_DEVAD,
  8649. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8650. &an_10_100_val);
  8651. bnx2x_cl45_read(bp, phy,
  8652. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8653. &autoneg_val);
  8654. /* Disable forced speed */
  8655. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8656. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8657. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8658. (phy->speed_cap_mask &
  8659. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8660. (phy->req_line_speed == SPEED_1000)) {
  8661. an_1000_val |= (1<<8);
  8662. autoneg_val |= (1<<9 | 1<<12);
  8663. if (phy->req_duplex == DUPLEX_FULL)
  8664. an_1000_val |= (1<<9);
  8665. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8666. } else
  8667. an_1000_val &= ~((1<<8) | (1<<9));
  8668. bnx2x_cl45_write(bp, phy,
  8669. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8670. an_1000_val);
  8671. /* Set 10/100 speed advertisement */
  8672. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8673. if (phy->speed_cap_mask &
  8674. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8675. /* Enable autoneg and restart autoneg for legacy speeds
  8676. */
  8677. autoneg_val |= (1<<9 | 1<<12);
  8678. an_10_100_val |= (1<<8);
  8679. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8680. }
  8681. if (phy->speed_cap_mask &
  8682. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8683. /* Enable autoneg and restart autoneg for legacy speeds
  8684. */
  8685. autoneg_val |= (1<<9 | 1<<12);
  8686. an_10_100_val |= (1<<7);
  8687. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8688. }
  8689. if ((phy->speed_cap_mask &
  8690. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8691. (phy->supported & SUPPORTED_10baseT_Full)) {
  8692. an_10_100_val |= (1<<6);
  8693. autoneg_val |= (1<<9 | 1<<12);
  8694. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8695. }
  8696. if ((phy->speed_cap_mask &
  8697. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8698. (phy->supported & SUPPORTED_10baseT_Half)) {
  8699. an_10_100_val |= (1<<5);
  8700. autoneg_val |= (1<<9 | 1<<12);
  8701. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8702. }
  8703. }
  8704. /* Only 10/100 are allowed to work in FORCE mode */
  8705. if ((phy->req_line_speed == SPEED_100) &&
  8706. (phy->supported &
  8707. (SUPPORTED_100baseT_Half |
  8708. SUPPORTED_100baseT_Full))) {
  8709. autoneg_val |= (1<<13);
  8710. /* Enabled AUTO-MDIX when autoneg is disabled */
  8711. bnx2x_cl45_write(bp, phy,
  8712. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8713. (1<<15 | 1<<9 | 7<<0));
  8714. /* The PHY needs this set even for forced link. */
  8715. an_10_100_val |= (1<<8) | (1<<7);
  8716. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8717. }
  8718. if ((phy->req_line_speed == SPEED_10) &&
  8719. (phy->supported &
  8720. (SUPPORTED_10baseT_Half |
  8721. SUPPORTED_10baseT_Full))) {
  8722. /* Enabled AUTO-MDIX when autoneg is disabled */
  8723. bnx2x_cl45_write(bp, phy,
  8724. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8725. (1<<15 | 1<<9 | 7<<0));
  8726. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8727. }
  8728. bnx2x_cl45_write(bp, phy,
  8729. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8730. an_10_100_val);
  8731. if (phy->req_duplex == DUPLEX_FULL)
  8732. autoneg_val |= (1<<8);
  8733. /* Always write this if this is not 84833/4.
  8734. * For 84833/4, write it only when it's a forced speed.
  8735. */
  8736. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8737. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8738. ((autoneg_val & (1<<12)) == 0))
  8739. bnx2x_cl45_write(bp, phy,
  8740. MDIO_AN_DEVAD,
  8741. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8742. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8743. (phy->speed_cap_mask &
  8744. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8745. (phy->req_line_speed == SPEED_10000)) {
  8746. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8747. /* Restart autoneg for 10G*/
  8748. bnx2x_cl45_read_or_write(
  8749. bp, phy,
  8750. MDIO_AN_DEVAD,
  8751. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8752. 0x1000);
  8753. bnx2x_cl45_write(bp, phy,
  8754. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8755. 0x3200);
  8756. } else
  8757. bnx2x_cl45_write(bp, phy,
  8758. MDIO_AN_DEVAD,
  8759. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8760. 1);
  8761. return 0;
  8762. }
  8763. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8764. struct link_params *params,
  8765. struct link_vars *vars)
  8766. {
  8767. struct bnx2x *bp = params->bp;
  8768. /* Restore normal power mode*/
  8769. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8770. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8771. /* HW reset */
  8772. bnx2x_ext_phy_hw_reset(bp, params->port);
  8773. bnx2x_wait_reset_complete(bp, phy, params);
  8774. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8775. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8776. }
  8777. #define PHY84833_CMDHDLR_WAIT 300
  8778. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8779. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8780. struct link_params *params, u16 fw_cmd,
  8781. u16 cmd_args[], int argc)
  8782. {
  8783. int idx;
  8784. u16 val;
  8785. struct bnx2x *bp = params->bp;
  8786. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8787. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8788. MDIO_84833_CMD_HDLR_STATUS,
  8789. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8790. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8791. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8792. MDIO_84833_CMD_HDLR_STATUS, &val);
  8793. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8794. break;
  8795. usleep_range(1000, 2000);
  8796. }
  8797. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8798. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8799. return -EINVAL;
  8800. }
  8801. /* Prepare argument(s) and issue command */
  8802. for (idx = 0; idx < argc; idx++) {
  8803. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8804. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8805. cmd_args[idx]);
  8806. }
  8807. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8808. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8809. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8810. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8811. MDIO_84833_CMD_HDLR_STATUS, &val);
  8812. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8813. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8814. break;
  8815. usleep_range(1000, 2000);
  8816. }
  8817. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8818. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8819. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8820. return -EINVAL;
  8821. }
  8822. /* Gather returning data */
  8823. for (idx = 0; idx < argc; idx++) {
  8824. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8825. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8826. &cmd_args[idx]);
  8827. }
  8828. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8829. MDIO_84833_CMD_HDLR_STATUS,
  8830. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8831. return 0;
  8832. }
  8833. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8834. struct link_params *params,
  8835. struct link_vars *vars)
  8836. {
  8837. u32 pair_swap;
  8838. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8839. int status;
  8840. struct bnx2x *bp = params->bp;
  8841. /* Check for configuration. */
  8842. pair_swap = REG_RD(bp, params->shmem_base +
  8843. offsetof(struct shmem_region,
  8844. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8845. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8846. if (pair_swap == 0)
  8847. return 0;
  8848. /* Only the second argument is used for this command */
  8849. data[1] = (u16)pair_swap;
  8850. status = bnx2x_84833_cmd_hdlr(phy, params,
  8851. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8852. if (status == 0)
  8853. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8854. return status;
  8855. }
  8856. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8857. u32 shmem_base_path[],
  8858. u32 chip_id)
  8859. {
  8860. u32 reset_pin[2];
  8861. u32 idx;
  8862. u8 reset_gpios;
  8863. if (CHIP_IS_E3(bp)) {
  8864. /* Assume that these will be GPIOs, not EPIOs. */
  8865. for (idx = 0; idx < 2; idx++) {
  8866. /* Map config param to register bit. */
  8867. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8868. offsetof(struct shmem_region,
  8869. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8870. reset_pin[idx] = (reset_pin[idx] &
  8871. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8872. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8873. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8874. reset_pin[idx] = (1 << reset_pin[idx]);
  8875. }
  8876. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8877. } else {
  8878. /* E2, look from diff place of shmem. */
  8879. for (idx = 0; idx < 2; idx++) {
  8880. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8881. offsetof(struct shmem_region,
  8882. dev_info.port_hw_config[0].default_cfg));
  8883. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8884. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8885. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8886. reset_pin[idx] = (1 << reset_pin[idx]);
  8887. }
  8888. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8889. }
  8890. return reset_gpios;
  8891. }
  8892. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8893. struct link_params *params)
  8894. {
  8895. struct bnx2x *bp = params->bp;
  8896. u8 reset_gpios;
  8897. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8898. offsetof(struct shmem2_region,
  8899. other_shmem_base_addr));
  8900. u32 shmem_base_path[2];
  8901. /* Work around for 84833 LED failure inside RESET status */
  8902. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8903. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8904. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8905. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8906. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8907. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8908. shmem_base_path[0] = params->shmem_base;
  8909. shmem_base_path[1] = other_shmem_base_addr;
  8910. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8911. params->chip_id);
  8912. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8913. udelay(10);
  8914. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8915. reset_gpios);
  8916. return 0;
  8917. }
  8918. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8919. struct link_params *params,
  8920. struct link_vars *vars)
  8921. {
  8922. int rc;
  8923. struct bnx2x *bp = params->bp;
  8924. u16 cmd_args = 0;
  8925. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8926. /* Prevent Phy from working in EEE and advertising it */
  8927. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8928. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8929. if (rc) {
  8930. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8931. return rc;
  8932. }
  8933. return bnx2x_eee_disable(phy, params, vars);
  8934. }
  8935. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8936. struct link_params *params,
  8937. struct link_vars *vars)
  8938. {
  8939. int rc;
  8940. struct bnx2x *bp = params->bp;
  8941. u16 cmd_args = 1;
  8942. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8943. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8944. if (rc) {
  8945. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8946. return rc;
  8947. }
  8948. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8949. }
  8950. #define PHY84833_CONSTANT_LATENCY 1193
  8951. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8952. struct link_params *params,
  8953. struct link_vars *vars)
  8954. {
  8955. struct bnx2x *bp = params->bp;
  8956. u8 port, initialize = 1;
  8957. u16 val;
  8958. u32 actual_phy_selection;
  8959. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8960. int rc = 0;
  8961. usleep_range(1000, 2000);
  8962. if (!(CHIP_IS_E1x(bp)))
  8963. port = BP_PATH(bp);
  8964. else
  8965. port = params->port;
  8966. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8967. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8968. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8969. port);
  8970. } else {
  8971. /* MDIO reset */
  8972. bnx2x_cl45_write(bp, phy,
  8973. MDIO_PMA_DEVAD,
  8974. MDIO_PMA_REG_CTRL, 0x8000);
  8975. }
  8976. bnx2x_wait_reset_complete(bp, phy, params);
  8977. /* Wait for GPHY to come out of reset */
  8978. msleep(50);
  8979. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8980. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8981. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8982. * behavior.
  8983. */
  8984. u16 temp;
  8985. temp = vars->line_speed;
  8986. vars->line_speed = SPEED_10000;
  8987. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8988. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8989. vars->line_speed = temp;
  8990. }
  8991. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8992. MDIO_CTL_REG_84823_MEDIA, &val);
  8993. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8994. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8995. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8996. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8997. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8998. if (CHIP_IS_E3(bp)) {
  8999. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  9000. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  9001. } else {
  9002. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  9003. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  9004. }
  9005. actual_phy_selection = bnx2x_phy_selection(params);
  9006. switch (actual_phy_selection) {
  9007. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  9008. /* Do nothing. Essentially this is like the priority copper */
  9009. break;
  9010. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  9011. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  9012. break;
  9013. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  9014. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  9015. break;
  9016. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  9017. /* Do nothing here. The first PHY won't be initialized at all */
  9018. break;
  9019. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  9020. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  9021. initialize = 0;
  9022. break;
  9023. }
  9024. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  9025. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  9026. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9027. MDIO_CTL_REG_84823_MEDIA, val);
  9028. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  9029. params->multi_phy_config, val);
  9030. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9031. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9032. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  9033. /* Keep AutogrEEEn disabled. */
  9034. cmd_args[0] = 0x0;
  9035. cmd_args[1] = 0x0;
  9036. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  9037. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  9038. rc = bnx2x_84833_cmd_hdlr(phy, params,
  9039. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  9040. PHY84833_CMDHDLR_MAX_ARGS);
  9041. if (rc)
  9042. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  9043. }
  9044. if (initialize)
  9045. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  9046. else
  9047. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  9048. /* 84833 PHY has a better feature and doesn't need to support this. */
  9049. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9050. u32 cms_enable = REG_RD(bp, params->shmem_base +
  9051. offsetof(struct shmem_region,
  9052. dev_info.port_hw_config[params->port].default_cfg)) &
  9053. PORT_HW_CFG_ENABLE_CMS_MASK;
  9054. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9055. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9056. if (cms_enable)
  9057. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9058. else
  9059. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9060. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9061. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9062. }
  9063. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9064. MDIO_84833_TOP_CFG_FW_REV, &val);
  9065. /* Configure EEE support */
  9066. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9067. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9068. bnx2x_eee_has_cap(params)) {
  9069. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9070. if (rc) {
  9071. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9072. bnx2x_8483x_disable_eee(phy, params, vars);
  9073. return rc;
  9074. }
  9075. if ((phy->req_duplex == DUPLEX_FULL) &&
  9076. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9077. (bnx2x_eee_calc_timer(params) ||
  9078. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9079. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9080. else
  9081. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9082. if (rc) {
  9083. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9084. return rc;
  9085. }
  9086. } else {
  9087. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9088. }
  9089. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9090. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9091. /* Bring PHY out of super isolate mode as the final step. */
  9092. bnx2x_cl45_read_and_write(bp, phy,
  9093. MDIO_CTL_DEVAD,
  9094. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9095. (u16)~MDIO_84833_SUPER_ISOLATE);
  9096. }
  9097. return rc;
  9098. }
  9099. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9100. struct link_params *params,
  9101. struct link_vars *vars)
  9102. {
  9103. struct bnx2x *bp = params->bp;
  9104. u16 val, val1, val2;
  9105. u8 link_up = 0;
  9106. /* Check 10G-BaseT link status */
  9107. /* Check PMD signal ok */
  9108. bnx2x_cl45_read(bp, phy,
  9109. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9110. bnx2x_cl45_read(bp, phy,
  9111. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9112. &val2);
  9113. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9114. /* Check link 10G */
  9115. if (val2 & (1<<11)) {
  9116. vars->line_speed = SPEED_10000;
  9117. vars->duplex = DUPLEX_FULL;
  9118. link_up = 1;
  9119. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9120. } else { /* Check Legacy speed link */
  9121. u16 legacy_status, legacy_speed;
  9122. /* Enable expansion register 0x42 (Operation mode status) */
  9123. bnx2x_cl45_write(bp, phy,
  9124. MDIO_AN_DEVAD,
  9125. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9126. /* Get legacy speed operation status */
  9127. bnx2x_cl45_read(bp, phy,
  9128. MDIO_AN_DEVAD,
  9129. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9130. &legacy_status);
  9131. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9132. legacy_status);
  9133. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9134. legacy_speed = (legacy_status & (3<<9));
  9135. if (legacy_speed == (0<<9))
  9136. vars->line_speed = SPEED_10;
  9137. else if (legacy_speed == (1<<9))
  9138. vars->line_speed = SPEED_100;
  9139. else if (legacy_speed == (2<<9))
  9140. vars->line_speed = SPEED_1000;
  9141. else { /* Should not happen: Treat as link down */
  9142. vars->line_speed = 0;
  9143. link_up = 0;
  9144. }
  9145. if (link_up) {
  9146. if (legacy_status & (1<<8))
  9147. vars->duplex = DUPLEX_FULL;
  9148. else
  9149. vars->duplex = DUPLEX_HALF;
  9150. DP(NETIF_MSG_LINK,
  9151. "Link is up in %dMbps, is_duplex_full= %d\n",
  9152. vars->line_speed,
  9153. (vars->duplex == DUPLEX_FULL));
  9154. /* Check legacy speed AN resolution */
  9155. bnx2x_cl45_read(bp, phy,
  9156. MDIO_AN_DEVAD,
  9157. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9158. &val);
  9159. if (val & (1<<5))
  9160. vars->link_status |=
  9161. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9162. bnx2x_cl45_read(bp, phy,
  9163. MDIO_AN_DEVAD,
  9164. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9165. &val);
  9166. if ((val & (1<<0)) == 0)
  9167. vars->link_status |=
  9168. LINK_STATUS_PARALLEL_DETECTION_USED;
  9169. }
  9170. }
  9171. if (link_up) {
  9172. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9173. vars->line_speed);
  9174. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9175. /* Read LP advertised speeds */
  9176. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9177. MDIO_AN_REG_CL37_FC_LP, &val);
  9178. if (val & (1<<5))
  9179. vars->link_status |=
  9180. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9181. if (val & (1<<6))
  9182. vars->link_status |=
  9183. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9184. if (val & (1<<7))
  9185. vars->link_status |=
  9186. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9187. if (val & (1<<8))
  9188. vars->link_status |=
  9189. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9190. if (val & (1<<9))
  9191. vars->link_status |=
  9192. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9193. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9194. MDIO_AN_REG_1000T_STATUS, &val);
  9195. if (val & (1<<10))
  9196. vars->link_status |=
  9197. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9198. if (val & (1<<11))
  9199. vars->link_status |=
  9200. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9201. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9202. MDIO_AN_REG_MASTER_STATUS, &val);
  9203. if (val & (1<<11))
  9204. vars->link_status |=
  9205. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9206. /* Determine if EEE was negotiated */
  9207. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9208. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9209. bnx2x_eee_an_resolve(phy, params, vars);
  9210. }
  9211. return link_up;
  9212. }
  9213. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9214. {
  9215. int status = 0;
  9216. u32 spirom_ver;
  9217. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9218. status = bnx2x_format_ver(spirom_ver, str, len);
  9219. return status;
  9220. }
  9221. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9222. struct link_params *params)
  9223. {
  9224. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9225. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9226. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9227. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9228. }
  9229. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9230. struct link_params *params)
  9231. {
  9232. bnx2x_cl45_write(params->bp, phy,
  9233. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9234. bnx2x_cl45_write(params->bp, phy,
  9235. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9236. }
  9237. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9238. struct link_params *params)
  9239. {
  9240. struct bnx2x *bp = params->bp;
  9241. u8 port;
  9242. u16 val16;
  9243. if (!(CHIP_IS_E1x(bp)))
  9244. port = BP_PATH(bp);
  9245. else
  9246. port = params->port;
  9247. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9248. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9249. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9250. port);
  9251. } else {
  9252. bnx2x_cl45_read(bp, phy,
  9253. MDIO_CTL_DEVAD,
  9254. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9255. val16 |= MDIO_84833_SUPER_ISOLATE;
  9256. bnx2x_cl45_write(bp, phy,
  9257. MDIO_CTL_DEVAD,
  9258. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9259. }
  9260. }
  9261. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9262. struct link_params *params, u8 mode)
  9263. {
  9264. struct bnx2x *bp = params->bp;
  9265. u16 val;
  9266. u8 port;
  9267. if (!(CHIP_IS_E1x(bp)))
  9268. port = BP_PATH(bp);
  9269. else
  9270. port = params->port;
  9271. switch (mode) {
  9272. case LED_MODE_OFF:
  9273. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9274. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9275. SHARED_HW_CFG_LED_EXTPHY1) {
  9276. /* Set LED masks */
  9277. bnx2x_cl45_write(bp, phy,
  9278. MDIO_PMA_DEVAD,
  9279. MDIO_PMA_REG_8481_LED1_MASK,
  9280. 0x0);
  9281. bnx2x_cl45_write(bp, phy,
  9282. MDIO_PMA_DEVAD,
  9283. MDIO_PMA_REG_8481_LED2_MASK,
  9284. 0x0);
  9285. bnx2x_cl45_write(bp, phy,
  9286. MDIO_PMA_DEVAD,
  9287. MDIO_PMA_REG_8481_LED3_MASK,
  9288. 0x0);
  9289. bnx2x_cl45_write(bp, phy,
  9290. MDIO_PMA_DEVAD,
  9291. MDIO_PMA_REG_8481_LED5_MASK,
  9292. 0x0);
  9293. } else {
  9294. bnx2x_cl45_write(bp, phy,
  9295. MDIO_PMA_DEVAD,
  9296. MDIO_PMA_REG_8481_LED1_MASK,
  9297. 0x0);
  9298. }
  9299. break;
  9300. case LED_MODE_FRONT_PANEL_OFF:
  9301. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9302. port);
  9303. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9304. SHARED_HW_CFG_LED_EXTPHY1) {
  9305. /* Set LED masks */
  9306. bnx2x_cl45_write(bp, phy,
  9307. MDIO_PMA_DEVAD,
  9308. MDIO_PMA_REG_8481_LED1_MASK,
  9309. 0x0);
  9310. bnx2x_cl45_write(bp, phy,
  9311. MDIO_PMA_DEVAD,
  9312. MDIO_PMA_REG_8481_LED2_MASK,
  9313. 0x0);
  9314. bnx2x_cl45_write(bp, phy,
  9315. MDIO_PMA_DEVAD,
  9316. MDIO_PMA_REG_8481_LED3_MASK,
  9317. 0x0);
  9318. bnx2x_cl45_write(bp, phy,
  9319. MDIO_PMA_DEVAD,
  9320. MDIO_PMA_REG_8481_LED5_MASK,
  9321. 0x20);
  9322. } else {
  9323. bnx2x_cl45_write(bp, phy,
  9324. MDIO_PMA_DEVAD,
  9325. MDIO_PMA_REG_8481_LED1_MASK,
  9326. 0x0);
  9327. if (phy->type ==
  9328. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9329. /* Disable MI_INT interrupt before setting LED4
  9330. * source to constant off.
  9331. */
  9332. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9333. params->port*4) &
  9334. NIG_MASK_MI_INT) {
  9335. params->link_flags |=
  9336. LINK_FLAGS_INT_DISABLED;
  9337. bnx2x_bits_dis(
  9338. bp,
  9339. NIG_REG_MASK_INTERRUPT_PORT0 +
  9340. params->port*4,
  9341. NIG_MASK_MI_INT);
  9342. }
  9343. bnx2x_cl45_write(bp, phy,
  9344. MDIO_PMA_DEVAD,
  9345. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9346. 0x0);
  9347. }
  9348. }
  9349. break;
  9350. case LED_MODE_ON:
  9351. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9352. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9353. SHARED_HW_CFG_LED_EXTPHY1) {
  9354. /* Set control reg */
  9355. bnx2x_cl45_read(bp, phy,
  9356. MDIO_PMA_DEVAD,
  9357. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9358. &val);
  9359. val &= 0x8000;
  9360. val |= 0x2492;
  9361. bnx2x_cl45_write(bp, phy,
  9362. MDIO_PMA_DEVAD,
  9363. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9364. val);
  9365. /* Set LED masks */
  9366. bnx2x_cl45_write(bp, phy,
  9367. MDIO_PMA_DEVAD,
  9368. MDIO_PMA_REG_8481_LED1_MASK,
  9369. 0x0);
  9370. bnx2x_cl45_write(bp, phy,
  9371. MDIO_PMA_DEVAD,
  9372. MDIO_PMA_REG_8481_LED2_MASK,
  9373. 0x20);
  9374. bnx2x_cl45_write(bp, phy,
  9375. MDIO_PMA_DEVAD,
  9376. MDIO_PMA_REG_8481_LED3_MASK,
  9377. 0x20);
  9378. bnx2x_cl45_write(bp, phy,
  9379. MDIO_PMA_DEVAD,
  9380. MDIO_PMA_REG_8481_LED5_MASK,
  9381. 0x0);
  9382. } else {
  9383. bnx2x_cl45_write(bp, phy,
  9384. MDIO_PMA_DEVAD,
  9385. MDIO_PMA_REG_8481_LED1_MASK,
  9386. 0x20);
  9387. if (phy->type ==
  9388. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9389. /* Disable MI_INT interrupt before setting LED4
  9390. * source to constant on.
  9391. */
  9392. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9393. params->port*4) &
  9394. NIG_MASK_MI_INT) {
  9395. params->link_flags |=
  9396. LINK_FLAGS_INT_DISABLED;
  9397. bnx2x_bits_dis(
  9398. bp,
  9399. NIG_REG_MASK_INTERRUPT_PORT0 +
  9400. params->port*4,
  9401. NIG_MASK_MI_INT);
  9402. }
  9403. bnx2x_cl45_write(bp, phy,
  9404. MDIO_PMA_DEVAD,
  9405. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9406. 0x20);
  9407. }
  9408. }
  9409. break;
  9410. case LED_MODE_OPER:
  9411. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9412. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9413. SHARED_HW_CFG_LED_EXTPHY1) {
  9414. /* Set control reg */
  9415. bnx2x_cl45_read(bp, phy,
  9416. MDIO_PMA_DEVAD,
  9417. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9418. &val);
  9419. if (!((val &
  9420. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9421. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9422. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9423. bnx2x_cl45_write(bp, phy,
  9424. MDIO_PMA_DEVAD,
  9425. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9426. 0xa492);
  9427. }
  9428. /* Set LED masks */
  9429. bnx2x_cl45_write(bp, phy,
  9430. MDIO_PMA_DEVAD,
  9431. MDIO_PMA_REG_8481_LED1_MASK,
  9432. 0x10);
  9433. bnx2x_cl45_write(bp, phy,
  9434. MDIO_PMA_DEVAD,
  9435. MDIO_PMA_REG_8481_LED2_MASK,
  9436. 0x80);
  9437. bnx2x_cl45_write(bp, phy,
  9438. MDIO_PMA_DEVAD,
  9439. MDIO_PMA_REG_8481_LED3_MASK,
  9440. 0x98);
  9441. bnx2x_cl45_write(bp, phy,
  9442. MDIO_PMA_DEVAD,
  9443. MDIO_PMA_REG_8481_LED5_MASK,
  9444. 0x40);
  9445. } else {
  9446. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9447. * sources are all wired through LED1, rather than only
  9448. * 10G in other modes.
  9449. */
  9450. val = ((params->hw_led_mode <<
  9451. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9452. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9453. bnx2x_cl45_write(bp, phy,
  9454. MDIO_PMA_DEVAD,
  9455. MDIO_PMA_REG_8481_LED1_MASK,
  9456. val);
  9457. /* Tell LED3 to blink on source */
  9458. bnx2x_cl45_read(bp, phy,
  9459. MDIO_PMA_DEVAD,
  9460. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9461. &val);
  9462. val &= ~(7<<6);
  9463. val |= (1<<6); /* A83B[8:6]= 1 */
  9464. bnx2x_cl45_write(bp, phy,
  9465. MDIO_PMA_DEVAD,
  9466. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9467. val);
  9468. if (phy->type ==
  9469. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9470. /* Restore LED4 source to external link,
  9471. * and re-enable interrupts.
  9472. */
  9473. bnx2x_cl45_write(bp, phy,
  9474. MDIO_PMA_DEVAD,
  9475. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9476. 0x40);
  9477. if (params->link_flags &
  9478. LINK_FLAGS_INT_DISABLED) {
  9479. bnx2x_link_int_enable(params);
  9480. params->link_flags &=
  9481. ~LINK_FLAGS_INT_DISABLED;
  9482. }
  9483. }
  9484. }
  9485. break;
  9486. }
  9487. /* This is a workaround for E3+84833 until autoneg
  9488. * restart is fixed in f/w
  9489. */
  9490. if (CHIP_IS_E3(bp)) {
  9491. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9492. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9493. }
  9494. }
  9495. /******************************************************************/
  9496. /* 54618SE PHY SECTION */
  9497. /******************************************************************/
  9498. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9499. struct link_params *params,
  9500. u32 action)
  9501. {
  9502. struct bnx2x *bp = params->bp;
  9503. u16 temp;
  9504. switch (action) {
  9505. case PHY_INIT:
  9506. /* Configure LED4: set to INTR (0x6). */
  9507. /* Accessing shadow register 0xe. */
  9508. bnx2x_cl22_write(bp, phy,
  9509. MDIO_REG_GPHY_SHADOW,
  9510. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9511. bnx2x_cl22_read(bp, phy,
  9512. MDIO_REG_GPHY_SHADOW,
  9513. &temp);
  9514. temp &= ~(0xf << 4);
  9515. temp |= (0x6 << 4);
  9516. bnx2x_cl22_write(bp, phy,
  9517. MDIO_REG_GPHY_SHADOW,
  9518. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9519. /* Configure INTR based on link status change. */
  9520. bnx2x_cl22_write(bp, phy,
  9521. MDIO_REG_INTR_MASK,
  9522. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9523. break;
  9524. }
  9525. }
  9526. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9527. struct link_params *params,
  9528. struct link_vars *vars)
  9529. {
  9530. struct bnx2x *bp = params->bp;
  9531. u8 port;
  9532. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9533. u32 cfg_pin;
  9534. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9535. usleep_range(1000, 2000);
  9536. /* This works with E3 only, no need to check the chip
  9537. * before determining the port.
  9538. */
  9539. port = params->port;
  9540. cfg_pin = (REG_RD(bp, params->shmem_base +
  9541. offsetof(struct shmem_region,
  9542. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9543. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9544. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9545. /* Drive pin high to bring the GPHY out of reset. */
  9546. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9547. /* wait for GPHY to reset */
  9548. msleep(50);
  9549. /* reset phy */
  9550. bnx2x_cl22_write(bp, phy,
  9551. MDIO_PMA_REG_CTRL, 0x8000);
  9552. bnx2x_wait_reset_complete(bp, phy, params);
  9553. /* Wait for GPHY to reset */
  9554. msleep(50);
  9555. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9556. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9557. bnx2x_cl22_write(bp, phy,
  9558. MDIO_REG_GPHY_SHADOW,
  9559. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9560. bnx2x_cl22_read(bp, phy,
  9561. MDIO_REG_GPHY_SHADOW,
  9562. &temp);
  9563. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9564. bnx2x_cl22_write(bp, phy,
  9565. MDIO_REG_GPHY_SHADOW,
  9566. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9567. /* Set up fc */
  9568. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9569. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9570. fc_val = 0;
  9571. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9572. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9573. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9574. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9575. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9576. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9577. /* Read all advertisement */
  9578. bnx2x_cl22_read(bp, phy,
  9579. 0x09,
  9580. &an_1000_val);
  9581. bnx2x_cl22_read(bp, phy,
  9582. 0x04,
  9583. &an_10_100_val);
  9584. bnx2x_cl22_read(bp, phy,
  9585. MDIO_PMA_REG_CTRL,
  9586. &autoneg_val);
  9587. /* Disable forced speed */
  9588. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9589. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9590. (1<<11));
  9591. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9592. (phy->speed_cap_mask &
  9593. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9594. (phy->req_line_speed == SPEED_1000)) {
  9595. an_1000_val |= (1<<8);
  9596. autoneg_val |= (1<<9 | 1<<12);
  9597. if (phy->req_duplex == DUPLEX_FULL)
  9598. an_1000_val |= (1<<9);
  9599. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9600. } else
  9601. an_1000_val &= ~((1<<8) | (1<<9));
  9602. bnx2x_cl22_write(bp, phy,
  9603. 0x09,
  9604. an_1000_val);
  9605. bnx2x_cl22_read(bp, phy,
  9606. 0x09,
  9607. &an_1000_val);
  9608. /* Advertise 10/100 link speed */
  9609. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  9610. if (phy->speed_cap_mask &
  9611. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
  9612. an_10_100_val |= (1<<5);
  9613. autoneg_val |= (1<<9 | 1<<12);
  9614. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  9615. }
  9616. if (phy->speed_cap_mask &
  9617. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
  9618. an_10_100_val |= (1<<6);
  9619. autoneg_val |= (1<<9 | 1<<12);
  9620. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  9621. }
  9622. if (phy->speed_cap_mask &
  9623. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  9624. an_10_100_val |= (1<<7);
  9625. autoneg_val |= (1<<9 | 1<<12);
  9626. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  9627. }
  9628. if (phy->speed_cap_mask &
  9629. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  9630. an_10_100_val |= (1<<8);
  9631. autoneg_val |= (1<<9 | 1<<12);
  9632. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  9633. }
  9634. }
  9635. /* Only 10/100 are allowed to work in FORCE mode */
  9636. if (phy->req_line_speed == SPEED_100) {
  9637. autoneg_val |= (1<<13);
  9638. /* Enabled AUTO-MDIX when autoneg is disabled */
  9639. bnx2x_cl22_write(bp, phy,
  9640. 0x18,
  9641. (1<<15 | 1<<9 | 7<<0));
  9642. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9643. }
  9644. if (phy->req_line_speed == SPEED_10) {
  9645. /* Enabled AUTO-MDIX when autoneg is disabled */
  9646. bnx2x_cl22_write(bp, phy,
  9647. 0x18,
  9648. (1<<15 | 1<<9 | 7<<0));
  9649. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9650. }
  9651. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9652. int rc;
  9653. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9654. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9655. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9656. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9657. temp &= 0xfffe;
  9658. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9659. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9660. if (rc) {
  9661. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9662. bnx2x_eee_disable(phy, params, vars);
  9663. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9664. (phy->req_duplex == DUPLEX_FULL) &&
  9665. (bnx2x_eee_calc_timer(params) ||
  9666. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9667. /* Need to advertise EEE only when requested,
  9668. * and either no LPI assertion was requested,
  9669. * or it was requested and a valid timer was set.
  9670. * Also notice full duplex is required for EEE.
  9671. */
  9672. bnx2x_eee_advertise(phy, params, vars,
  9673. SHMEM_EEE_1G_ADV);
  9674. } else {
  9675. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9676. bnx2x_eee_disable(phy, params, vars);
  9677. }
  9678. } else {
  9679. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9680. SHMEM_EEE_SUPPORTED_SHIFT;
  9681. if (phy->flags & FLAGS_EEE) {
  9682. /* Handle legacy auto-grEEEn */
  9683. if (params->feature_config_flags &
  9684. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9685. temp = 6;
  9686. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9687. } else {
  9688. temp = 0;
  9689. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9690. }
  9691. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9692. MDIO_AN_REG_EEE_ADV, temp);
  9693. }
  9694. }
  9695. bnx2x_cl22_write(bp, phy,
  9696. 0x04,
  9697. an_10_100_val | fc_val);
  9698. if (phy->req_duplex == DUPLEX_FULL)
  9699. autoneg_val |= (1<<8);
  9700. bnx2x_cl22_write(bp, phy,
  9701. MDIO_PMA_REG_CTRL, autoneg_val);
  9702. return 0;
  9703. }
  9704. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9705. struct link_params *params, u8 mode)
  9706. {
  9707. struct bnx2x *bp = params->bp;
  9708. u16 temp;
  9709. bnx2x_cl22_write(bp, phy,
  9710. MDIO_REG_GPHY_SHADOW,
  9711. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9712. bnx2x_cl22_read(bp, phy,
  9713. MDIO_REG_GPHY_SHADOW,
  9714. &temp);
  9715. temp &= 0xff00;
  9716. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9717. switch (mode) {
  9718. case LED_MODE_FRONT_PANEL_OFF:
  9719. case LED_MODE_OFF:
  9720. temp |= 0x00ee;
  9721. break;
  9722. case LED_MODE_OPER:
  9723. temp |= 0x0001;
  9724. break;
  9725. case LED_MODE_ON:
  9726. temp |= 0x00ff;
  9727. break;
  9728. default:
  9729. break;
  9730. }
  9731. bnx2x_cl22_write(bp, phy,
  9732. MDIO_REG_GPHY_SHADOW,
  9733. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9734. return;
  9735. }
  9736. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9737. struct link_params *params)
  9738. {
  9739. struct bnx2x *bp = params->bp;
  9740. u32 cfg_pin;
  9741. u8 port;
  9742. /* In case of no EPIO routed to reset the GPHY, put it
  9743. * in low power mode.
  9744. */
  9745. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9746. /* This works with E3 only, no need to check the chip
  9747. * before determining the port.
  9748. */
  9749. port = params->port;
  9750. cfg_pin = (REG_RD(bp, params->shmem_base +
  9751. offsetof(struct shmem_region,
  9752. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9753. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9754. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9755. /* Drive pin low to put GPHY in reset. */
  9756. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9757. }
  9758. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9759. struct link_params *params,
  9760. struct link_vars *vars)
  9761. {
  9762. struct bnx2x *bp = params->bp;
  9763. u16 val;
  9764. u8 link_up = 0;
  9765. u16 legacy_status, legacy_speed;
  9766. /* Get speed operation status */
  9767. bnx2x_cl22_read(bp, phy,
  9768. MDIO_REG_GPHY_AUX_STATUS,
  9769. &legacy_status);
  9770. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9771. /* Read status to clear the PHY interrupt. */
  9772. bnx2x_cl22_read(bp, phy,
  9773. MDIO_REG_INTR_STATUS,
  9774. &val);
  9775. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9776. if (link_up) {
  9777. legacy_speed = (legacy_status & (7<<8));
  9778. if (legacy_speed == (7<<8)) {
  9779. vars->line_speed = SPEED_1000;
  9780. vars->duplex = DUPLEX_FULL;
  9781. } else if (legacy_speed == (6<<8)) {
  9782. vars->line_speed = SPEED_1000;
  9783. vars->duplex = DUPLEX_HALF;
  9784. } else if (legacy_speed == (5<<8)) {
  9785. vars->line_speed = SPEED_100;
  9786. vars->duplex = DUPLEX_FULL;
  9787. }
  9788. /* Omitting 100Base-T4 for now */
  9789. else if (legacy_speed == (3<<8)) {
  9790. vars->line_speed = SPEED_100;
  9791. vars->duplex = DUPLEX_HALF;
  9792. } else if (legacy_speed == (2<<8)) {
  9793. vars->line_speed = SPEED_10;
  9794. vars->duplex = DUPLEX_FULL;
  9795. } else if (legacy_speed == (1<<8)) {
  9796. vars->line_speed = SPEED_10;
  9797. vars->duplex = DUPLEX_HALF;
  9798. } else /* Should not happen */
  9799. vars->line_speed = 0;
  9800. DP(NETIF_MSG_LINK,
  9801. "Link is up in %dMbps, is_duplex_full= %d\n",
  9802. vars->line_speed,
  9803. (vars->duplex == DUPLEX_FULL));
  9804. /* Check legacy speed AN resolution */
  9805. bnx2x_cl22_read(bp, phy,
  9806. 0x01,
  9807. &val);
  9808. if (val & (1<<5))
  9809. vars->link_status |=
  9810. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9811. bnx2x_cl22_read(bp, phy,
  9812. 0x06,
  9813. &val);
  9814. if ((val & (1<<0)) == 0)
  9815. vars->link_status |=
  9816. LINK_STATUS_PARALLEL_DETECTION_USED;
  9817. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9818. vars->line_speed);
  9819. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9820. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9821. /* Report LP advertised speeds */
  9822. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9823. if (val & (1<<5))
  9824. vars->link_status |=
  9825. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9826. if (val & (1<<6))
  9827. vars->link_status |=
  9828. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9829. if (val & (1<<7))
  9830. vars->link_status |=
  9831. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9832. if (val & (1<<8))
  9833. vars->link_status |=
  9834. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9835. if (val & (1<<9))
  9836. vars->link_status |=
  9837. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9838. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9839. if (val & (1<<10))
  9840. vars->link_status |=
  9841. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9842. if (val & (1<<11))
  9843. vars->link_status |=
  9844. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9845. if ((phy->flags & FLAGS_EEE) &&
  9846. bnx2x_eee_has_cap(params))
  9847. bnx2x_eee_an_resolve(phy, params, vars);
  9848. }
  9849. }
  9850. return link_up;
  9851. }
  9852. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9853. struct link_params *params)
  9854. {
  9855. struct bnx2x *bp = params->bp;
  9856. u16 val;
  9857. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9858. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9859. /* Enable master/slave manual mmode and set to master */
  9860. /* mii write 9 [bits set 11 12] */
  9861. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9862. /* forced 1G and disable autoneg */
  9863. /* set val [mii read 0] */
  9864. /* set val [expr $val & [bits clear 6 12 13]] */
  9865. /* set val [expr $val | [bits set 6 8]] */
  9866. /* mii write 0 $val */
  9867. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9868. val &= ~((1<<6) | (1<<12) | (1<<13));
  9869. val |= (1<<6) | (1<<8);
  9870. bnx2x_cl22_write(bp, phy, 0x00, val);
  9871. /* Set external loopback and Tx using 6dB coding */
  9872. /* mii write 0x18 7 */
  9873. /* set val [mii read 0x18] */
  9874. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9875. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9876. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9877. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9878. /* This register opens the gate for the UMAC despite its name */
  9879. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9880. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9881. * length used by the MAC receive logic to check frames.
  9882. */
  9883. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9884. }
  9885. /******************************************************************/
  9886. /* SFX7101 PHY SECTION */
  9887. /******************************************************************/
  9888. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9889. struct link_params *params)
  9890. {
  9891. struct bnx2x *bp = params->bp;
  9892. /* SFX7101_XGXS_TEST1 */
  9893. bnx2x_cl45_write(bp, phy,
  9894. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9895. }
  9896. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9897. struct link_params *params,
  9898. struct link_vars *vars)
  9899. {
  9900. u16 fw_ver1, fw_ver2, val;
  9901. struct bnx2x *bp = params->bp;
  9902. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9903. /* Restore normal power mode*/
  9904. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9905. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9906. /* HW reset */
  9907. bnx2x_ext_phy_hw_reset(bp, params->port);
  9908. bnx2x_wait_reset_complete(bp, phy, params);
  9909. bnx2x_cl45_write(bp, phy,
  9910. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9911. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9912. bnx2x_cl45_write(bp, phy,
  9913. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9914. bnx2x_ext_phy_set_pause(params, phy, vars);
  9915. /* Restart autoneg */
  9916. bnx2x_cl45_read(bp, phy,
  9917. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9918. val |= 0x200;
  9919. bnx2x_cl45_write(bp, phy,
  9920. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9921. /* Save spirom version */
  9922. bnx2x_cl45_read(bp, phy,
  9923. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9924. bnx2x_cl45_read(bp, phy,
  9925. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9926. bnx2x_save_spirom_version(bp, params->port,
  9927. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9928. return 0;
  9929. }
  9930. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9931. struct link_params *params,
  9932. struct link_vars *vars)
  9933. {
  9934. struct bnx2x *bp = params->bp;
  9935. u8 link_up;
  9936. u16 val1, val2;
  9937. bnx2x_cl45_read(bp, phy,
  9938. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9939. bnx2x_cl45_read(bp, phy,
  9940. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9941. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9942. val2, val1);
  9943. bnx2x_cl45_read(bp, phy,
  9944. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9945. bnx2x_cl45_read(bp, phy,
  9946. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9947. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9948. val2, val1);
  9949. link_up = ((val1 & 4) == 4);
  9950. /* If link is up print the AN outcome of the SFX7101 PHY */
  9951. if (link_up) {
  9952. bnx2x_cl45_read(bp, phy,
  9953. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9954. &val2);
  9955. vars->line_speed = SPEED_10000;
  9956. vars->duplex = DUPLEX_FULL;
  9957. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9958. val2, (val2 & (1<<14)));
  9959. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9960. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9961. /* Read LP advertised speeds */
  9962. if (val2 & (1<<11))
  9963. vars->link_status |=
  9964. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9965. }
  9966. return link_up;
  9967. }
  9968. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9969. {
  9970. if (*len < 5)
  9971. return -EINVAL;
  9972. str[0] = (spirom_ver & 0xFF);
  9973. str[1] = (spirom_ver & 0xFF00) >> 8;
  9974. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9975. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9976. str[4] = '\0';
  9977. *len -= 5;
  9978. return 0;
  9979. }
  9980. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9981. {
  9982. u16 val, cnt;
  9983. bnx2x_cl45_read(bp, phy,
  9984. MDIO_PMA_DEVAD,
  9985. MDIO_PMA_REG_7101_RESET, &val);
  9986. for (cnt = 0; cnt < 10; cnt++) {
  9987. msleep(50);
  9988. /* Writes a self-clearing reset */
  9989. bnx2x_cl45_write(bp, phy,
  9990. MDIO_PMA_DEVAD,
  9991. MDIO_PMA_REG_7101_RESET,
  9992. (val | (1<<15)));
  9993. /* Wait for clear */
  9994. bnx2x_cl45_read(bp, phy,
  9995. MDIO_PMA_DEVAD,
  9996. MDIO_PMA_REG_7101_RESET, &val);
  9997. if ((val & (1<<15)) == 0)
  9998. break;
  9999. }
  10000. }
  10001. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  10002. struct link_params *params) {
  10003. /* Low power mode is controlled by GPIO 2 */
  10004. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  10005. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  10006. /* The PHY reset is controlled by GPIO 1 */
  10007. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  10008. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  10009. }
  10010. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  10011. struct link_params *params, u8 mode)
  10012. {
  10013. u16 val = 0;
  10014. struct bnx2x *bp = params->bp;
  10015. switch (mode) {
  10016. case LED_MODE_FRONT_PANEL_OFF:
  10017. case LED_MODE_OFF:
  10018. val = 2;
  10019. break;
  10020. case LED_MODE_ON:
  10021. val = 1;
  10022. break;
  10023. case LED_MODE_OPER:
  10024. val = 0;
  10025. break;
  10026. }
  10027. bnx2x_cl45_write(bp, phy,
  10028. MDIO_PMA_DEVAD,
  10029. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  10030. val);
  10031. }
  10032. /******************************************************************/
  10033. /* STATIC PHY DECLARATION */
  10034. /******************************************************************/
  10035. static const struct bnx2x_phy phy_null = {
  10036. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  10037. .addr = 0,
  10038. .def_md_devad = 0,
  10039. .flags = FLAGS_INIT_XGXS_FIRST,
  10040. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10041. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10042. .mdio_ctrl = 0,
  10043. .supported = 0,
  10044. .media_type = ETH_PHY_NOT_PRESENT,
  10045. .ver_addr = 0,
  10046. .req_flow_ctrl = 0,
  10047. .req_line_speed = 0,
  10048. .speed_cap_mask = 0,
  10049. .req_duplex = 0,
  10050. .rsrv = 0,
  10051. .config_init = (config_init_t)NULL,
  10052. .read_status = (read_status_t)NULL,
  10053. .link_reset = (link_reset_t)NULL,
  10054. .config_loopback = (config_loopback_t)NULL,
  10055. .format_fw_ver = (format_fw_ver_t)NULL,
  10056. .hw_reset = (hw_reset_t)NULL,
  10057. .set_link_led = (set_link_led_t)NULL,
  10058. .phy_specific_func = (phy_specific_func_t)NULL
  10059. };
  10060. static const struct bnx2x_phy phy_serdes = {
  10061. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10062. .addr = 0xff,
  10063. .def_md_devad = 0,
  10064. .flags = 0,
  10065. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10066. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10067. .mdio_ctrl = 0,
  10068. .supported = (SUPPORTED_10baseT_Half |
  10069. SUPPORTED_10baseT_Full |
  10070. SUPPORTED_100baseT_Half |
  10071. SUPPORTED_100baseT_Full |
  10072. SUPPORTED_1000baseT_Full |
  10073. SUPPORTED_2500baseX_Full |
  10074. SUPPORTED_TP |
  10075. SUPPORTED_Autoneg |
  10076. SUPPORTED_Pause |
  10077. SUPPORTED_Asym_Pause),
  10078. .media_type = ETH_PHY_BASE_T,
  10079. .ver_addr = 0,
  10080. .req_flow_ctrl = 0,
  10081. .req_line_speed = 0,
  10082. .speed_cap_mask = 0,
  10083. .req_duplex = 0,
  10084. .rsrv = 0,
  10085. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10086. .read_status = (read_status_t)bnx2x_link_settings_status,
  10087. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10088. .config_loopback = (config_loopback_t)NULL,
  10089. .format_fw_ver = (format_fw_ver_t)NULL,
  10090. .hw_reset = (hw_reset_t)NULL,
  10091. .set_link_led = (set_link_led_t)NULL,
  10092. .phy_specific_func = (phy_specific_func_t)NULL
  10093. };
  10094. static const struct bnx2x_phy phy_xgxs = {
  10095. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10096. .addr = 0xff,
  10097. .def_md_devad = 0,
  10098. .flags = 0,
  10099. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10100. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10101. .mdio_ctrl = 0,
  10102. .supported = (SUPPORTED_10baseT_Half |
  10103. SUPPORTED_10baseT_Full |
  10104. SUPPORTED_100baseT_Half |
  10105. SUPPORTED_100baseT_Full |
  10106. SUPPORTED_1000baseT_Full |
  10107. SUPPORTED_2500baseX_Full |
  10108. SUPPORTED_10000baseT_Full |
  10109. SUPPORTED_FIBRE |
  10110. SUPPORTED_Autoneg |
  10111. SUPPORTED_Pause |
  10112. SUPPORTED_Asym_Pause),
  10113. .media_type = ETH_PHY_CX4,
  10114. .ver_addr = 0,
  10115. .req_flow_ctrl = 0,
  10116. .req_line_speed = 0,
  10117. .speed_cap_mask = 0,
  10118. .req_duplex = 0,
  10119. .rsrv = 0,
  10120. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10121. .read_status = (read_status_t)bnx2x_link_settings_status,
  10122. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10123. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10124. .format_fw_ver = (format_fw_ver_t)NULL,
  10125. .hw_reset = (hw_reset_t)NULL,
  10126. .set_link_led = (set_link_led_t)NULL,
  10127. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10128. };
  10129. static const struct bnx2x_phy phy_warpcore = {
  10130. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10131. .addr = 0xff,
  10132. .def_md_devad = 0,
  10133. .flags = FLAGS_TX_ERROR_CHECK,
  10134. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10135. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10136. .mdio_ctrl = 0,
  10137. .supported = (SUPPORTED_10baseT_Half |
  10138. SUPPORTED_10baseT_Full |
  10139. SUPPORTED_100baseT_Half |
  10140. SUPPORTED_100baseT_Full |
  10141. SUPPORTED_1000baseT_Full |
  10142. SUPPORTED_10000baseT_Full |
  10143. SUPPORTED_20000baseKR2_Full |
  10144. SUPPORTED_20000baseMLD2_Full |
  10145. SUPPORTED_FIBRE |
  10146. SUPPORTED_Autoneg |
  10147. SUPPORTED_Pause |
  10148. SUPPORTED_Asym_Pause),
  10149. .media_type = ETH_PHY_UNSPECIFIED,
  10150. .ver_addr = 0,
  10151. .req_flow_ctrl = 0,
  10152. .req_line_speed = 0,
  10153. .speed_cap_mask = 0,
  10154. /* req_duplex = */0,
  10155. /* rsrv = */0,
  10156. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10157. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10158. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10159. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10160. .format_fw_ver = (format_fw_ver_t)NULL,
  10161. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10162. .set_link_led = (set_link_led_t)NULL,
  10163. .phy_specific_func = (phy_specific_func_t)NULL
  10164. };
  10165. static const struct bnx2x_phy phy_7101 = {
  10166. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10167. .addr = 0xff,
  10168. .def_md_devad = 0,
  10169. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10170. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10171. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10172. .mdio_ctrl = 0,
  10173. .supported = (SUPPORTED_10000baseT_Full |
  10174. SUPPORTED_TP |
  10175. SUPPORTED_Autoneg |
  10176. SUPPORTED_Pause |
  10177. SUPPORTED_Asym_Pause),
  10178. .media_type = ETH_PHY_BASE_T,
  10179. .ver_addr = 0,
  10180. .req_flow_ctrl = 0,
  10181. .req_line_speed = 0,
  10182. .speed_cap_mask = 0,
  10183. .req_duplex = 0,
  10184. .rsrv = 0,
  10185. .config_init = (config_init_t)bnx2x_7101_config_init,
  10186. .read_status = (read_status_t)bnx2x_7101_read_status,
  10187. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10188. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10189. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10190. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10191. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10192. .phy_specific_func = (phy_specific_func_t)NULL
  10193. };
  10194. static const struct bnx2x_phy phy_8073 = {
  10195. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10196. .addr = 0xff,
  10197. .def_md_devad = 0,
  10198. .flags = 0,
  10199. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10200. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10201. .mdio_ctrl = 0,
  10202. .supported = (SUPPORTED_10000baseT_Full |
  10203. SUPPORTED_2500baseX_Full |
  10204. SUPPORTED_1000baseT_Full |
  10205. SUPPORTED_FIBRE |
  10206. SUPPORTED_Autoneg |
  10207. SUPPORTED_Pause |
  10208. SUPPORTED_Asym_Pause),
  10209. .media_type = ETH_PHY_KR,
  10210. .ver_addr = 0,
  10211. .req_flow_ctrl = 0,
  10212. .req_line_speed = 0,
  10213. .speed_cap_mask = 0,
  10214. .req_duplex = 0,
  10215. .rsrv = 0,
  10216. .config_init = (config_init_t)bnx2x_8073_config_init,
  10217. .read_status = (read_status_t)bnx2x_8073_read_status,
  10218. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10219. .config_loopback = (config_loopback_t)NULL,
  10220. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10221. .hw_reset = (hw_reset_t)NULL,
  10222. .set_link_led = (set_link_led_t)NULL,
  10223. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10224. };
  10225. static const struct bnx2x_phy phy_8705 = {
  10226. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10227. .addr = 0xff,
  10228. .def_md_devad = 0,
  10229. .flags = FLAGS_INIT_XGXS_FIRST,
  10230. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10231. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10232. .mdio_ctrl = 0,
  10233. .supported = (SUPPORTED_10000baseT_Full |
  10234. SUPPORTED_FIBRE |
  10235. SUPPORTED_Pause |
  10236. SUPPORTED_Asym_Pause),
  10237. .media_type = ETH_PHY_XFP_FIBER,
  10238. .ver_addr = 0,
  10239. .req_flow_ctrl = 0,
  10240. .req_line_speed = 0,
  10241. .speed_cap_mask = 0,
  10242. .req_duplex = 0,
  10243. .rsrv = 0,
  10244. .config_init = (config_init_t)bnx2x_8705_config_init,
  10245. .read_status = (read_status_t)bnx2x_8705_read_status,
  10246. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10247. .config_loopback = (config_loopback_t)NULL,
  10248. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10249. .hw_reset = (hw_reset_t)NULL,
  10250. .set_link_led = (set_link_led_t)NULL,
  10251. .phy_specific_func = (phy_specific_func_t)NULL
  10252. };
  10253. static const struct bnx2x_phy phy_8706 = {
  10254. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10255. .addr = 0xff,
  10256. .def_md_devad = 0,
  10257. .flags = FLAGS_INIT_XGXS_FIRST,
  10258. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10259. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10260. .mdio_ctrl = 0,
  10261. .supported = (SUPPORTED_10000baseT_Full |
  10262. SUPPORTED_1000baseT_Full |
  10263. SUPPORTED_FIBRE |
  10264. SUPPORTED_Pause |
  10265. SUPPORTED_Asym_Pause),
  10266. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10267. .ver_addr = 0,
  10268. .req_flow_ctrl = 0,
  10269. .req_line_speed = 0,
  10270. .speed_cap_mask = 0,
  10271. .req_duplex = 0,
  10272. .rsrv = 0,
  10273. .config_init = (config_init_t)bnx2x_8706_config_init,
  10274. .read_status = (read_status_t)bnx2x_8706_read_status,
  10275. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10276. .config_loopback = (config_loopback_t)NULL,
  10277. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10278. .hw_reset = (hw_reset_t)NULL,
  10279. .set_link_led = (set_link_led_t)NULL,
  10280. .phy_specific_func = (phy_specific_func_t)NULL
  10281. };
  10282. static const struct bnx2x_phy phy_8726 = {
  10283. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10284. .addr = 0xff,
  10285. .def_md_devad = 0,
  10286. .flags = (FLAGS_INIT_XGXS_FIRST |
  10287. FLAGS_TX_ERROR_CHECK),
  10288. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10289. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10290. .mdio_ctrl = 0,
  10291. .supported = (SUPPORTED_10000baseT_Full |
  10292. SUPPORTED_1000baseT_Full |
  10293. SUPPORTED_Autoneg |
  10294. SUPPORTED_FIBRE |
  10295. SUPPORTED_Pause |
  10296. SUPPORTED_Asym_Pause),
  10297. .media_type = ETH_PHY_NOT_PRESENT,
  10298. .ver_addr = 0,
  10299. .req_flow_ctrl = 0,
  10300. .req_line_speed = 0,
  10301. .speed_cap_mask = 0,
  10302. .req_duplex = 0,
  10303. .rsrv = 0,
  10304. .config_init = (config_init_t)bnx2x_8726_config_init,
  10305. .read_status = (read_status_t)bnx2x_8726_read_status,
  10306. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10307. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10308. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10309. .hw_reset = (hw_reset_t)NULL,
  10310. .set_link_led = (set_link_led_t)NULL,
  10311. .phy_specific_func = (phy_specific_func_t)NULL
  10312. };
  10313. static const struct bnx2x_phy phy_8727 = {
  10314. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10315. .addr = 0xff,
  10316. .def_md_devad = 0,
  10317. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10318. FLAGS_TX_ERROR_CHECK),
  10319. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10320. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10321. .mdio_ctrl = 0,
  10322. .supported = (SUPPORTED_10000baseT_Full |
  10323. SUPPORTED_1000baseT_Full |
  10324. SUPPORTED_FIBRE |
  10325. SUPPORTED_Pause |
  10326. SUPPORTED_Asym_Pause),
  10327. .media_type = ETH_PHY_NOT_PRESENT,
  10328. .ver_addr = 0,
  10329. .req_flow_ctrl = 0,
  10330. .req_line_speed = 0,
  10331. .speed_cap_mask = 0,
  10332. .req_duplex = 0,
  10333. .rsrv = 0,
  10334. .config_init = (config_init_t)bnx2x_8727_config_init,
  10335. .read_status = (read_status_t)bnx2x_8727_read_status,
  10336. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10337. .config_loopback = (config_loopback_t)NULL,
  10338. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10339. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10340. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10341. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10342. };
  10343. static const struct bnx2x_phy phy_8481 = {
  10344. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10345. .addr = 0xff,
  10346. .def_md_devad = 0,
  10347. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10348. FLAGS_REARM_LATCH_SIGNAL,
  10349. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10350. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10351. .mdio_ctrl = 0,
  10352. .supported = (SUPPORTED_10baseT_Half |
  10353. SUPPORTED_10baseT_Full |
  10354. SUPPORTED_100baseT_Half |
  10355. SUPPORTED_100baseT_Full |
  10356. SUPPORTED_1000baseT_Full |
  10357. SUPPORTED_10000baseT_Full |
  10358. SUPPORTED_TP |
  10359. SUPPORTED_Autoneg |
  10360. SUPPORTED_Pause |
  10361. SUPPORTED_Asym_Pause),
  10362. .media_type = ETH_PHY_BASE_T,
  10363. .ver_addr = 0,
  10364. .req_flow_ctrl = 0,
  10365. .req_line_speed = 0,
  10366. .speed_cap_mask = 0,
  10367. .req_duplex = 0,
  10368. .rsrv = 0,
  10369. .config_init = (config_init_t)bnx2x_8481_config_init,
  10370. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10371. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10372. .config_loopback = (config_loopback_t)NULL,
  10373. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10374. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10375. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10376. .phy_specific_func = (phy_specific_func_t)NULL
  10377. };
  10378. static const struct bnx2x_phy phy_84823 = {
  10379. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10380. .addr = 0xff,
  10381. .def_md_devad = 0,
  10382. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10383. FLAGS_REARM_LATCH_SIGNAL |
  10384. FLAGS_TX_ERROR_CHECK),
  10385. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10386. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10387. .mdio_ctrl = 0,
  10388. .supported = (SUPPORTED_10baseT_Half |
  10389. SUPPORTED_10baseT_Full |
  10390. SUPPORTED_100baseT_Half |
  10391. SUPPORTED_100baseT_Full |
  10392. SUPPORTED_1000baseT_Full |
  10393. SUPPORTED_10000baseT_Full |
  10394. SUPPORTED_TP |
  10395. SUPPORTED_Autoneg |
  10396. SUPPORTED_Pause |
  10397. SUPPORTED_Asym_Pause),
  10398. .media_type = ETH_PHY_BASE_T,
  10399. .ver_addr = 0,
  10400. .req_flow_ctrl = 0,
  10401. .req_line_speed = 0,
  10402. .speed_cap_mask = 0,
  10403. .req_duplex = 0,
  10404. .rsrv = 0,
  10405. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10406. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10407. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10408. .config_loopback = (config_loopback_t)NULL,
  10409. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10410. .hw_reset = (hw_reset_t)NULL,
  10411. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10412. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10413. };
  10414. static const struct bnx2x_phy phy_84833 = {
  10415. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10416. .addr = 0xff,
  10417. .def_md_devad = 0,
  10418. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10419. FLAGS_REARM_LATCH_SIGNAL |
  10420. FLAGS_TX_ERROR_CHECK),
  10421. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10422. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10423. .mdio_ctrl = 0,
  10424. .supported = (SUPPORTED_100baseT_Half |
  10425. SUPPORTED_100baseT_Full |
  10426. SUPPORTED_1000baseT_Full |
  10427. SUPPORTED_10000baseT_Full |
  10428. SUPPORTED_TP |
  10429. SUPPORTED_Autoneg |
  10430. SUPPORTED_Pause |
  10431. SUPPORTED_Asym_Pause),
  10432. .media_type = ETH_PHY_BASE_T,
  10433. .ver_addr = 0,
  10434. .req_flow_ctrl = 0,
  10435. .req_line_speed = 0,
  10436. .speed_cap_mask = 0,
  10437. .req_duplex = 0,
  10438. .rsrv = 0,
  10439. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10440. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10441. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10442. .config_loopback = (config_loopback_t)NULL,
  10443. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10444. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10445. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10446. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10447. };
  10448. static const struct bnx2x_phy phy_84834 = {
  10449. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10450. .addr = 0xff,
  10451. .def_md_devad = 0,
  10452. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10453. FLAGS_REARM_LATCH_SIGNAL,
  10454. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10455. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10456. .mdio_ctrl = 0,
  10457. .supported = (SUPPORTED_100baseT_Half |
  10458. SUPPORTED_100baseT_Full |
  10459. SUPPORTED_1000baseT_Full |
  10460. SUPPORTED_10000baseT_Full |
  10461. SUPPORTED_TP |
  10462. SUPPORTED_Autoneg |
  10463. SUPPORTED_Pause |
  10464. SUPPORTED_Asym_Pause),
  10465. .media_type = ETH_PHY_BASE_T,
  10466. .ver_addr = 0,
  10467. .req_flow_ctrl = 0,
  10468. .req_line_speed = 0,
  10469. .speed_cap_mask = 0,
  10470. .req_duplex = 0,
  10471. .rsrv = 0,
  10472. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10473. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10474. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10475. .config_loopback = (config_loopback_t)NULL,
  10476. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10477. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10478. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10479. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10480. };
  10481. static const struct bnx2x_phy phy_54618se = {
  10482. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10483. .addr = 0xff,
  10484. .def_md_devad = 0,
  10485. .flags = FLAGS_INIT_XGXS_FIRST,
  10486. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10487. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10488. .mdio_ctrl = 0,
  10489. .supported = (SUPPORTED_10baseT_Half |
  10490. SUPPORTED_10baseT_Full |
  10491. SUPPORTED_100baseT_Half |
  10492. SUPPORTED_100baseT_Full |
  10493. SUPPORTED_1000baseT_Full |
  10494. SUPPORTED_TP |
  10495. SUPPORTED_Autoneg |
  10496. SUPPORTED_Pause |
  10497. SUPPORTED_Asym_Pause),
  10498. .media_type = ETH_PHY_BASE_T,
  10499. .ver_addr = 0,
  10500. .req_flow_ctrl = 0,
  10501. .req_line_speed = 0,
  10502. .speed_cap_mask = 0,
  10503. /* req_duplex = */0,
  10504. /* rsrv = */0,
  10505. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10506. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10507. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10508. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10509. .format_fw_ver = (format_fw_ver_t)NULL,
  10510. .hw_reset = (hw_reset_t)NULL,
  10511. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10512. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10513. };
  10514. /*****************************************************************/
  10515. /* */
  10516. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10517. /* */
  10518. /*****************************************************************/
  10519. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10520. struct bnx2x_phy *phy, u8 port,
  10521. u8 phy_index)
  10522. {
  10523. /* Get the 4 lanes xgxs config rx and tx */
  10524. u32 rx = 0, tx = 0, i;
  10525. for (i = 0; i < 2; i++) {
  10526. /* INT_PHY and EXT_PHY1 share the same value location in
  10527. * the shmem. When num_phys is greater than 1, than this value
  10528. * applies only to EXT_PHY1
  10529. */
  10530. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10531. rx = REG_RD(bp, shmem_base +
  10532. offsetof(struct shmem_region,
  10533. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10534. tx = REG_RD(bp, shmem_base +
  10535. offsetof(struct shmem_region,
  10536. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10537. } else {
  10538. rx = REG_RD(bp, shmem_base +
  10539. offsetof(struct shmem_region,
  10540. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10541. tx = REG_RD(bp, shmem_base +
  10542. offsetof(struct shmem_region,
  10543. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10544. }
  10545. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10546. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10547. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10548. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10549. }
  10550. }
  10551. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10552. u8 phy_index, u8 port)
  10553. {
  10554. u32 ext_phy_config = 0;
  10555. switch (phy_index) {
  10556. case EXT_PHY1:
  10557. ext_phy_config = REG_RD(bp, shmem_base +
  10558. offsetof(struct shmem_region,
  10559. dev_info.port_hw_config[port].external_phy_config));
  10560. break;
  10561. case EXT_PHY2:
  10562. ext_phy_config = REG_RD(bp, shmem_base +
  10563. offsetof(struct shmem_region,
  10564. dev_info.port_hw_config[port].external_phy_config2));
  10565. break;
  10566. default:
  10567. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10568. return -EINVAL;
  10569. }
  10570. return ext_phy_config;
  10571. }
  10572. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10573. struct bnx2x_phy *phy)
  10574. {
  10575. u32 phy_addr;
  10576. u32 chip_id;
  10577. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10578. offsetof(struct shmem_region,
  10579. dev_info.port_feature_config[port].link_config)) &
  10580. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10581. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10582. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10583. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10584. if (USES_WARPCORE(bp)) {
  10585. u32 serdes_net_if;
  10586. phy_addr = REG_RD(bp,
  10587. MISC_REG_WC0_CTRL_PHY_ADDR);
  10588. *phy = phy_warpcore;
  10589. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10590. phy->flags |= FLAGS_4_PORT_MODE;
  10591. else
  10592. phy->flags &= ~FLAGS_4_PORT_MODE;
  10593. /* Check Dual mode */
  10594. serdes_net_if = (REG_RD(bp, shmem_base +
  10595. offsetof(struct shmem_region, dev_info.
  10596. port_hw_config[port].default_cfg)) &
  10597. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10598. /* Set the appropriate supported and flags indications per
  10599. * interface type of the chip
  10600. */
  10601. switch (serdes_net_if) {
  10602. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10603. phy->supported &= (SUPPORTED_10baseT_Half |
  10604. SUPPORTED_10baseT_Full |
  10605. SUPPORTED_100baseT_Half |
  10606. SUPPORTED_100baseT_Full |
  10607. SUPPORTED_1000baseT_Full |
  10608. SUPPORTED_FIBRE |
  10609. SUPPORTED_Autoneg |
  10610. SUPPORTED_Pause |
  10611. SUPPORTED_Asym_Pause);
  10612. phy->media_type = ETH_PHY_BASE_T;
  10613. break;
  10614. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10615. phy->supported &= (SUPPORTED_1000baseT_Full |
  10616. SUPPORTED_10000baseT_Full |
  10617. SUPPORTED_FIBRE |
  10618. SUPPORTED_Pause |
  10619. SUPPORTED_Asym_Pause);
  10620. phy->media_type = ETH_PHY_XFP_FIBER;
  10621. break;
  10622. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10623. phy->supported &= (SUPPORTED_1000baseT_Full |
  10624. SUPPORTED_10000baseT_Full |
  10625. SUPPORTED_FIBRE |
  10626. SUPPORTED_Pause |
  10627. SUPPORTED_Asym_Pause);
  10628. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10629. break;
  10630. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10631. phy->media_type = ETH_PHY_KR;
  10632. phy->supported &= (SUPPORTED_1000baseT_Full |
  10633. SUPPORTED_10000baseT_Full |
  10634. SUPPORTED_FIBRE |
  10635. SUPPORTED_Autoneg |
  10636. SUPPORTED_Pause |
  10637. SUPPORTED_Asym_Pause);
  10638. break;
  10639. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10640. phy->media_type = ETH_PHY_KR;
  10641. phy->flags |= FLAGS_WC_DUAL_MODE;
  10642. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10643. SUPPORTED_FIBRE |
  10644. SUPPORTED_Pause |
  10645. SUPPORTED_Asym_Pause);
  10646. break;
  10647. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10648. phy->media_type = ETH_PHY_KR;
  10649. phy->flags |= FLAGS_WC_DUAL_MODE;
  10650. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10651. SUPPORTED_10000baseT_Full |
  10652. SUPPORTED_1000baseT_Full |
  10653. SUPPORTED_Autoneg |
  10654. SUPPORTED_FIBRE |
  10655. SUPPORTED_Pause |
  10656. SUPPORTED_Asym_Pause);
  10657. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10658. break;
  10659. default:
  10660. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10661. serdes_net_if);
  10662. break;
  10663. }
  10664. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10665. * was not set as expected. For B0, ECO will be enabled so there
  10666. * won't be an issue there
  10667. */
  10668. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10669. phy->flags |= FLAGS_MDC_MDIO_WA;
  10670. else
  10671. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10672. } else {
  10673. switch (switch_cfg) {
  10674. case SWITCH_CFG_1G:
  10675. phy_addr = REG_RD(bp,
  10676. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10677. port * 0x10);
  10678. *phy = phy_serdes;
  10679. break;
  10680. case SWITCH_CFG_10G:
  10681. phy_addr = REG_RD(bp,
  10682. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10683. port * 0x18);
  10684. *phy = phy_xgxs;
  10685. break;
  10686. default:
  10687. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10688. return -EINVAL;
  10689. }
  10690. }
  10691. phy->addr = (u8)phy_addr;
  10692. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10693. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10694. port);
  10695. if (CHIP_IS_E2(bp))
  10696. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10697. else
  10698. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10699. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10700. port, phy->addr, phy->mdio_ctrl);
  10701. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10702. return 0;
  10703. }
  10704. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10705. u8 phy_index,
  10706. u32 shmem_base,
  10707. u32 shmem2_base,
  10708. u8 port,
  10709. struct bnx2x_phy *phy)
  10710. {
  10711. u32 ext_phy_config, phy_type, config2;
  10712. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10713. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10714. phy_index, port);
  10715. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10716. /* Select the phy type */
  10717. switch (phy_type) {
  10718. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10719. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10720. *phy = phy_8073;
  10721. break;
  10722. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10723. *phy = phy_8705;
  10724. break;
  10725. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10726. *phy = phy_8706;
  10727. break;
  10728. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10729. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10730. *phy = phy_8726;
  10731. break;
  10732. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10733. /* BCM8727_NOC => BCM8727 no over current */
  10734. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10735. *phy = phy_8727;
  10736. phy->flags |= FLAGS_NOC;
  10737. break;
  10738. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10739. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10740. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10741. *phy = phy_8727;
  10742. break;
  10743. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10744. *phy = phy_8481;
  10745. break;
  10746. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10747. *phy = phy_84823;
  10748. break;
  10749. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10750. *phy = phy_84833;
  10751. break;
  10752. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10753. *phy = phy_84834;
  10754. break;
  10755. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10756. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10757. *phy = phy_54618se;
  10758. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10759. phy->flags |= FLAGS_EEE;
  10760. break;
  10761. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10762. *phy = phy_7101;
  10763. break;
  10764. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10765. *phy = phy_null;
  10766. return -EINVAL;
  10767. default:
  10768. *phy = phy_null;
  10769. /* In case external PHY wasn't found */
  10770. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10771. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10772. return -EINVAL;
  10773. return 0;
  10774. }
  10775. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10776. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10777. /* The shmem address of the phy version is located on different
  10778. * structures. In case this structure is too old, do not set
  10779. * the address
  10780. */
  10781. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10782. dev_info.shared_hw_config.config2));
  10783. if (phy_index == EXT_PHY1) {
  10784. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10785. port_mb[port].ext_phy_fw_version);
  10786. /* Check specific mdc mdio settings */
  10787. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10788. mdc_mdio_access = config2 &
  10789. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10790. } else {
  10791. u32 size = REG_RD(bp, shmem2_base);
  10792. if (size >
  10793. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10794. phy->ver_addr = shmem2_base +
  10795. offsetof(struct shmem2_region,
  10796. ext_phy_fw_version2[port]);
  10797. }
  10798. /* Check specific mdc mdio settings */
  10799. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10800. mdc_mdio_access = (config2 &
  10801. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10802. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10803. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10804. }
  10805. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10806. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10807. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10808. (phy->ver_addr)) {
  10809. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10810. * version lower than or equal to 1.39
  10811. */
  10812. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10813. if (((raw_ver & 0x7F) <= 39) &&
  10814. (((raw_ver & 0xF80) >> 7) <= 1))
  10815. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10816. SUPPORTED_100baseT_Full);
  10817. }
  10818. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10819. phy_type, port, phy_index);
  10820. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10821. phy->addr, phy->mdio_ctrl);
  10822. return 0;
  10823. }
  10824. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10825. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10826. {
  10827. int status = 0;
  10828. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10829. if (phy_index == INT_PHY)
  10830. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10831. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10832. port, phy);
  10833. return status;
  10834. }
  10835. static void bnx2x_phy_def_cfg(struct link_params *params,
  10836. struct bnx2x_phy *phy,
  10837. u8 phy_index)
  10838. {
  10839. struct bnx2x *bp = params->bp;
  10840. u32 link_config;
  10841. /* Populate the default phy configuration for MF mode */
  10842. if (phy_index == EXT_PHY2) {
  10843. link_config = REG_RD(bp, params->shmem_base +
  10844. offsetof(struct shmem_region, dev_info.
  10845. port_feature_config[params->port].link_config2));
  10846. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10847. offsetof(struct shmem_region,
  10848. dev_info.
  10849. port_hw_config[params->port].speed_capability_mask2));
  10850. } else {
  10851. link_config = REG_RD(bp, params->shmem_base +
  10852. offsetof(struct shmem_region, dev_info.
  10853. port_feature_config[params->port].link_config));
  10854. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10855. offsetof(struct shmem_region,
  10856. dev_info.
  10857. port_hw_config[params->port].speed_capability_mask));
  10858. }
  10859. DP(NETIF_MSG_LINK,
  10860. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10861. phy_index, link_config, phy->speed_cap_mask);
  10862. phy->req_duplex = DUPLEX_FULL;
  10863. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10864. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10865. phy->req_duplex = DUPLEX_HALF;
  10866. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10867. phy->req_line_speed = SPEED_10;
  10868. break;
  10869. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10870. phy->req_duplex = DUPLEX_HALF;
  10871. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10872. phy->req_line_speed = SPEED_100;
  10873. break;
  10874. case PORT_FEATURE_LINK_SPEED_1G:
  10875. phy->req_line_speed = SPEED_1000;
  10876. break;
  10877. case PORT_FEATURE_LINK_SPEED_2_5G:
  10878. phy->req_line_speed = SPEED_2500;
  10879. break;
  10880. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10881. phy->req_line_speed = SPEED_10000;
  10882. break;
  10883. default:
  10884. phy->req_line_speed = SPEED_AUTO_NEG;
  10885. break;
  10886. }
  10887. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10888. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10889. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10890. break;
  10891. case PORT_FEATURE_FLOW_CONTROL_TX:
  10892. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10893. break;
  10894. case PORT_FEATURE_FLOW_CONTROL_RX:
  10895. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10896. break;
  10897. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10898. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10899. break;
  10900. default:
  10901. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10902. break;
  10903. }
  10904. }
  10905. u32 bnx2x_phy_selection(struct link_params *params)
  10906. {
  10907. u32 phy_config_swapped, prio_cfg;
  10908. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10909. phy_config_swapped = params->multi_phy_config &
  10910. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10911. prio_cfg = params->multi_phy_config &
  10912. PORT_HW_CFG_PHY_SELECTION_MASK;
  10913. if (phy_config_swapped) {
  10914. switch (prio_cfg) {
  10915. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10916. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10917. break;
  10918. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10919. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10920. break;
  10921. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10922. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10923. break;
  10924. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10925. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10926. break;
  10927. }
  10928. } else
  10929. return_cfg = prio_cfg;
  10930. return return_cfg;
  10931. }
  10932. int bnx2x_phy_probe(struct link_params *params)
  10933. {
  10934. u8 phy_index, actual_phy_idx;
  10935. u32 phy_config_swapped, sync_offset, media_types;
  10936. struct bnx2x *bp = params->bp;
  10937. struct bnx2x_phy *phy;
  10938. params->num_phys = 0;
  10939. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10940. phy_config_swapped = params->multi_phy_config &
  10941. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10942. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10943. phy_index++) {
  10944. actual_phy_idx = phy_index;
  10945. if (phy_config_swapped) {
  10946. if (phy_index == EXT_PHY1)
  10947. actual_phy_idx = EXT_PHY2;
  10948. else if (phy_index == EXT_PHY2)
  10949. actual_phy_idx = EXT_PHY1;
  10950. }
  10951. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10952. " actual_phy_idx %x\n", phy_config_swapped,
  10953. phy_index, actual_phy_idx);
  10954. phy = &params->phy[actual_phy_idx];
  10955. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10956. params->shmem2_base, params->port,
  10957. phy) != 0) {
  10958. params->num_phys = 0;
  10959. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10960. phy_index);
  10961. for (phy_index = INT_PHY;
  10962. phy_index < MAX_PHYS;
  10963. phy_index++)
  10964. *phy = phy_null;
  10965. return -EINVAL;
  10966. }
  10967. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10968. break;
  10969. if (params->feature_config_flags &
  10970. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10971. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10972. if (!(params->feature_config_flags &
  10973. FEATURE_CONFIG_MT_SUPPORT))
  10974. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10975. sync_offset = params->shmem_base +
  10976. offsetof(struct shmem_region,
  10977. dev_info.port_hw_config[params->port].media_type);
  10978. media_types = REG_RD(bp, sync_offset);
  10979. /* Update media type for non-PMF sync only for the first time
  10980. * In case the media type changes afterwards, it will be updated
  10981. * using the update_status function
  10982. */
  10983. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10984. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10985. actual_phy_idx))) == 0) {
  10986. media_types |= ((phy->media_type &
  10987. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10988. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10989. actual_phy_idx));
  10990. }
  10991. REG_WR(bp, sync_offset, media_types);
  10992. bnx2x_phy_def_cfg(params, phy, phy_index);
  10993. params->num_phys++;
  10994. }
  10995. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10996. return 0;
  10997. }
  10998. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10999. struct link_vars *vars)
  11000. {
  11001. struct bnx2x *bp = params->bp;
  11002. vars->link_up = 1;
  11003. vars->line_speed = SPEED_10000;
  11004. vars->duplex = DUPLEX_FULL;
  11005. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11006. vars->mac_type = MAC_TYPE_BMAC;
  11007. vars->phy_flags = PHY_XGXS_FLAG;
  11008. bnx2x_xgxs_deassert(params);
  11009. /* Set bmac loopback */
  11010. bnx2x_bmac_enable(params, vars, 1, 1);
  11011. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11012. }
  11013. static void bnx2x_init_emac_loopback(struct link_params *params,
  11014. struct link_vars *vars)
  11015. {
  11016. struct bnx2x *bp = params->bp;
  11017. vars->link_up = 1;
  11018. vars->line_speed = SPEED_1000;
  11019. vars->duplex = DUPLEX_FULL;
  11020. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11021. vars->mac_type = MAC_TYPE_EMAC;
  11022. vars->phy_flags = PHY_XGXS_FLAG;
  11023. bnx2x_xgxs_deassert(params);
  11024. /* Set bmac loopback */
  11025. bnx2x_emac_enable(params, vars, 1);
  11026. bnx2x_emac_program(params, vars);
  11027. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11028. }
  11029. static void bnx2x_init_xmac_loopback(struct link_params *params,
  11030. struct link_vars *vars)
  11031. {
  11032. struct bnx2x *bp = params->bp;
  11033. vars->link_up = 1;
  11034. if (!params->req_line_speed[0])
  11035. vars->line_speed = SPEED_10000;
  11036. else
  11037. vars->line_speed = params->req_line_speed[0];
  11038. vars->duplex = DUPLEX_FULL;
  11039. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11040. vars->mac_type = MAC_TYPE_XMAC;
  11041. vars->phy_flags = PHY_XGXS_FLAG;
  11042. /* Set WC to loopback mode since link is required to provide clock
  11043. * to the XMAC in 20G mode
  11044. */
  11045. bnx2x_set_aer_mmd(params, &params->phy[0]);
  11046. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  11047. params->phy[INT_PHY].config_loopback(
  11048. &params->phy[INT_PHY],
  11049. params);
  11050. bnx2x_xmac_enable(params, vars, 1);
  11051. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11052. }
  11053. static void bnx2x_init_umac_loopback(struct link_params *params,
  11054. struct link_vars *vars)
  11055. {
  11056. struct bnx2x *bp = params->bp;
  11057. vars->link_up = 1;
  11058. vars->line_speed = SPEED_1000;
  11059. vars->duplex = DUPLEX_FULL;
  11060. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11061. vars->mac_type = MAC_TYPE_UMAC;
  11062. vars->phy_flags = PHY_XGXS_FLAG;
  11063. bnx2x_umac_enable(params, vars, 1);
  11064. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11065. }
  11066. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11067. struct link_vars *vars)
  11068. {
  11069. struct bnx2x *bp = params->bp;
  11070. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11071. vars->link_up = 1;
  11072. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11073. vars->duplex = DUPLEX_FULL;
  11074. if (params->req_line_speed[0] == SPEED_1000)
  11075. vars->line_speed = SPEED_1000;
  11076. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11077. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11078. vars->line_speed = SPEED_20000;
  11079. else
  11080. vars->line_speed = SPEED_10000;
  11081. if (!USES_WARPCORE(bp))
  11082. bnx2x_xgxs_deassert(params);
  11083. bnx2x_link_initialize(params, vars);
  11084. if (params->req_line_speed[0] == SPEED_1000) {
  11085. if (USES_WARPCORE(bp))
  11086. bnx2x_umac_enable(params, vars, 0);
  11087. else {
  11088. bnx2x_emac_program(params, vars);
  11089. bnx2x_emac_enable(params, vars, 0);
  11090. }
  11091. } else {
  11092. if (USES_WARPCORE(bp))
  11093. bnx2x_xmac_enable(params, vars, 0);
  11094. else
  11095. bnx2x_bmac_enable(params, vars, 0, 1);
  11096. }
  11097. if (params->loopback_mode == LOOPBACK_XGXS) {
  11098. /* Set 10G XGXS loopback */
  11099. int_phy->config_loopback(int_phy, params);
  11100. } else {
  11101. /* Set external phy loopback */
  11102. u8 phy_index;
  11103. for (phy_index = EXT_PHY1;
  11104. phy_index < params->num_phys; phy_index++)
  11105. if (params->phy[phy_index].config_loopback)
  11106. params->phy[phy_index].config_loopback(
  11107. &params->phy[phy_index],
  11108. params);
  11109. }
  11110. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11111. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11112. }
  11113. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11114. {
  11115. struct bnx2x *bp = params->bp;
  11116. u8 val = en * 0x1F;
  11117. /* Open / close the gate between the NIG and the BRB */
  11118. if (!CHIP_IS_E1x(bp))
  11119. val |= en * 0x20;
  11120. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11121. if (!CHIP_IS_E1(bp)) {
  11122. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11123. en*0x3);
  11124. }
  11125. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11126. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11127. }
  11128. static int bnx2x_avoid_link_flap(struct link_params *params,
  11129. struct link_vars *vars)
  11130. {
  11131. u32 phy_idx;
  11132. u32 dont_clear_stat, lfa_sts;
  11133. struct bnx2x *bp = params->bp;
  11134. bnx2x_set_mdio_emac_per_phy(bp, params);
  11135. /* Sync the link parameters */
  11136. bnx2x_link_status_update(params, vars);
  11137. /*
  11138. * The module verification was already done by previous link owner,
  11139. * so this call is meant only to get warning message
  11140. */
  11141. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11142. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11143. if (phy->phy_specific_func) {
  11144. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11145. phy->phy_specific_func(phy, params, PHY_INIT);
  11146. }
  11147. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11148. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11149. (phy->media_type == ETH_PHY_DA_TWINAX))
  11150. bnx2x_verify_sfp_module(phy, params);
  11151. }
  11152. lfa_sts = REG_RD(bp, params->lfa_base +
  11153. offsetof(struct shmem_lfa,
  11154. lfa_sts));
  11155. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11156. /* Re-enable the NIG/MAC */
  11157. if (CHIP_IS_E3(bp)) {
  11158. if (!dont_clear_stat) {
  11159. REG_WR(bp, GRCBASE_MISC +
  11160. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11161. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11162. params->port));
  11163. REG_WR(bp, GRCBASE_MISC +
  11164. MISC_REGISTERS_RESET_REG_2_SET,
  11165. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11166. params->port));
  11167. }
  11168. if (vars->line_speed < SPEED_10000)
  11169. bnx2x_umac_enable(params, vars, 0);
  11170. else
  11171. bnx2x_xmac_enable(params, vars, 0);
  11172. } else {
  11173. if (vars->line_speed < SPEED_10000)
  11174. bnx2x_emac_enable(params, vars, 0);
  11175. else
  11176. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11177. }
  11178. /* Increment LFA count */
  11179. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11180. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11181. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11182. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11183. /* Clear link flap reason */
  11184. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11185. REG_WR(bp, params->lfa_base +
  11186. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11187. /* Disable NIG DRAIN */
  11188. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11189. /* Enable interrupts */
  11190. bnx2x_link_int_enable(params);
  11191. return 0;
  11192. }
  11193. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11194. struct link_vars *vars,
  11195. int lfa_status)
  11196. {
  11197. u32 lfa_sts, cfg_idx, tmp_val;
  11198. struct bnx2x *bp = params->bp;
  11199. bnx2x_link_reset(params, vars, 1);
  11200. if (!params->lfa_base)
  11201. return;
  11202. /* Store the new link parameters */
  11203. REG_WR(bp, params->lfa_base +
  11204. offsetof(struct shmem_lfa, req_duplex),
  11205. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11206. REG_WR(bp, params->lfa_base +
  11207. offsetof(struct shmem_lfa, req_flow_ctrl),
  11208. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11209. REG_WR(bp, params->lfa_base +
  11210. offsetof(struct shmem_lfa, req_line_speed),
  11211. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11212. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11213. REG_WR(bp, params->lfa_base +
  11214. offsetof(struct shmem_lfa,
  11215. speed_cap_mask[cfg_idx]),
  11216. params->speed_cap_mask[cfg_idx]);
  11217. }
  11218. tmp_val = REG_RD(bp, params->lfa_base +
  11219. offsetof(struct shmem_lfa, additional_config));
  11220. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11221. tmp_val |= params->req_fc_auto_adv;
  11222. REG_WR(bp, params->lfa_base +
  11223. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11224. lfa_sts = REG_RD(bp, params->lfa_base +
  11225. offsetof(struct shmem_lfa, lfa_sts));
  11226. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11227. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11228. /* Set link flap reason */
  11229. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11230. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11231. LFA_LINK_FLAP_REASON_OFFSET);
  11232. /* Increment link flap counter */
  11233. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11234. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11235. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11236. << LINK_FLAP_COUNT_OFFSET));
  11237. REG_WR(bp, params->lfa_base +
  11238. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11239. /* Proceed with regular link initialization */
  11240. }
  11241. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11242. {
  11243. int lfa_status;
  11244. struct bnx2x *bp = params->bp;
  11245. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11246. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11247. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11248. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11249. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11250. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11251. vars->link_status = 0;
  11252. vars->phy_link_up = 0;
  11253. vars->link_up = 0;
  11254. vars->line_speed = 0;
  11255. vars->duplex = DUPLEX_FULL;
  11256. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11257. vars->mac_type = MAC_TYPE_NONE;
  11258. vars->phy_flags = 0;
  11259. vars->check_kr2_recovery_cnt = 0;
  11260. params->link_flags = PHY_INITIALIZED;
  11261. /* Driver opens NIG-BRB filters */
  11262. bnx2x_set_rx_filter(params, 1);
  11263. bnx2x_chng_link_count(params, true);
  11264. /* Check if link flap can be avoided */
  11265. lfa_status = bnx2x_check_lfa(params);
  11266. if (lfa_status == 0) {
  11267. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11268. return bnx2x_avoid_link_flap(params, vars);
  11269. }
  11270. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11271. lfa_status);
  11272. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11273. /* Disable attentions */
  11274. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11275. (NIG_MASK_XGXS0_LINK_STATUS |
  11276. NIG_MASK_XGXS0_LINK10G |
  11277. NIG_MASK_SERDES0_LINK_STATUS |
  11278. NIG_MASK_MI_INT));
  11279. bnx2x_emac_init(params, vars);
  11280. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11281. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11282. if (params->num_phys == 0) {
  11283. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11284. return -EINVAL;
  11285. }
  11286. set_phy_vars(params, vars);
  11287. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11288. switch (params->loopback_mode) {
  11289. case LOOPBACK_BMAC:
  11290. bnx2x_init_bmac_loopback(params, vars);
  11291. break;
  11292. case LOOPBACK_EMAC:
  11293. bnx2x_init_emac_loopback(params, vars);
  11294. break;
  11295. case LOOPBACK_XMAC:
  11296. bnx2x_init_xmac_loopback(params, vars);
  11297. break;
  11298. case LOOPBACK_UMAC:
  11299. bnx2x_init_umac_loopback(params, vars);
  11300. break;
  11301. case LOOPBACK_XGXS:
  11302. case LOOPBACK_EXT_PHY:
  11303. bnx2x_init_xgxs_loopback(params, vars);
  11304. break;
  11305. default:
  11306. if (!CHIP_IS_E3(bp)) {
  11307. if (params->switch_cfg == SWITCH_CFG_10G)
  11308. bnx2x_xgxs_deassert(params);
  11309. else
  11310. bnx2x_serdes_deassert(bp, params->port);
  11311. }
  11312. bnx2x_link_initialize(params, vars);
  11313. msleep(30);
  11314. bnx2x_link_int_enable(params);
  11315. break;
  11316. }
  11317. bnx2x_update_mng(params, vars->link_status);
  11318. bnx2x_update_mng_eee(params, vars->eee_status);
  11319. return 0;
  11320. }
  11321. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11322. u8 reset_ext_phy)
  11323. {
  11324. struct bnx2x *bp = params->bp;
  11325. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11326. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11327. /* Disable attentions */
  11328. vars->link_status = 0;
  11329. bnx2x_chng_link_count(params, true);
  11330. bnx2x_update_mng(params, vars->link_status);
  11331. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11332. SHMEM_EEE_ACTIVE_BIT);
  11333. bnx2x_update_mng_eee(params, vars->eee_status);
  11334. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11335. (NIG_MASK_XGXS0_LINK_STATUS |
  11336. NIG_MASK_XGXS0_LINK10G |
  11337. NIG_MASK_SERDES0_LINK_STATUS |
  11338. NIG_MASK_MI_INT));
  11339. /* Activate nig drain */
  11340. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11341. /* Disable nig egress interface */
  11342. if (!CHIP_IS_E3(bp)) {
  11343. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11344. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11345. }
  11346. if (!CHIP_IS_E3(bp)) {
  11347. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11348. } else {
  11349. bnx2x_set_xmac_rxtx(params, 0);
  11350. bnx2x_set_umac_rxtx(params, 0);
  11351. }
  11352. /* Disable emac */
  11353. if (!CHIP_IS_E3(bp))
  11354. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11355. usleep_range(10000, 20000);
  11356. /* The PHY reset is controlled by GPIO 1
  11357. * Hold it as vars low
  11358. */
  11359. /* Clear link led */
  11360. bnx2x_set_mdio_emac_per_phy(bp, params);
  11361. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11362. if (reset_ext_phy) {
  11363. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11364. phy_index++) {
  11365. if (params->phy[phy_index].link_reset) {
  11366. bnx2x_set_aer_mmd(params,
  11367. &params->phy[phy_index]);
  11368. params->phy[phy_index].link_reset(
  11369. &params->phy[phy_index],
  11370. params);
  11371. }
  11372. if (params->phy[phy_index].flags &
  11373. FLAGS_REARM_LATCH_SIGNAL)
  11374. clear_latch_ind = 1;
  11375. }
  11376. }
  11377. if (clear_latch_ind) {
  11378. /* Clear latching indication */
  11379. bnx2x_rearm_latch_signal(bp, port, 0);
  11380. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11381. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11382. }
  11383. if (params->phy[INT_PHY].link_reset)
  11384. params->phy[INT_PHY].link_reset(
  11385. &params->phy[INT_PHY], params);
  11386. /* Disable nig ingress interface */
  11387. if (!CHIP_IS_E3(bp)) {
  11388. /* Reset BigMac */
  11389. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11390. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11391. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11392. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11393. } else {
  11394. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11395. bnx2x_set_xumac_nig(params, 0, 0);
  11396. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11397. MISC_REGISTERS_RESET_REG_2_XMAC)
  11398. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11399. XMAC_CTRL_REG_SOFT_RESET);
  11400. }
  11401. vars->link_up = 0;
  11402. vars->phy_flags = 0;
  11403. return 0;
  11404. }
  11405. int bnx2x_lfa_reset(struct link_params *params,
  11406. struct link_vars *vars)
  11407. {
  11408. struct bnx2x *bp = params->bp;
  11409. vars->link_up = 0;
  11410. vars->phy_flags = 0;
  11411. params->link_flags &= ~PHY_INITIALIZED;
  11412. if (!params->lfa_base)
  11413. return bnx2x_link_reset(params, vars, 1);
  11414. /*
  11415. * Activate NIG drain so that during this time the device won't send
  11416. * anything while it is unable to response.
  11417. */
  11418. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11419. /*
  11420. * Close gracefully the gate from BMAC to NIG such that no half packets
  11421. * are passed.
  11422. */
  11423. if (!CHIP_IS_E3(bp))
  11424. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11425. if (CHIP_IS_E3(bp)) {
  11426. bnx2x_set_xmac_rxtx(params, 0);
  11427. bnx2x_set_umac_rxtx(params, 0);
  11428. }
  11429. /* Wait 10ms for the pipe to clean up*/
  11430. usleep_range(10000, 20000);
  11431. /* Clean the NIG-BRB using the network filters in a way that will
  11432. * not cut a packet in the middle.
  11433. */
  11434. bnx2x_set_rx_filter(params, 0);
  11435. /*
  11436. * Re-open the gate between the BMAC and the NIG, after verifying the
  11437. * gate to the BRB is closed, otherwise packets may arrive to the
  11438. * firmware before driver had initialized it. The target is to achieve
  11439. * minimum management protocol down time.
  11440. */
  11441. if (!CHIP_IS_E3(bp))
  11442. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11443. if (CHIP_IS_E3(bp)) {
  11444. bnx2x_set_xmac_rxtx(params, 1);
  11445. bnx2x_set_umac_rxtx(params, 1);
  11446. }
  11447. /* Disable NIG drain */
  11448. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11449. return 0;
  11450. }
  11451. /****************************************************************************/
  11452. /* Common function */
  11453. /****************************************************************************/
  11454. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11455. u32 shmem_base_path[],
  11456. u32 shmem2_base_path[], u8 phy_index,
  11457. u32 chip_id)
  11458. {
  11459. struct bnx2x_phy phy[PORT_MAX];
  11460. struct bnx2x_phy *phy_blk[PORT_MAX];
  11461. u16 val;
  11462. s8 port = 0;
  11463. s8 port_of_path = 0;
  11464. u32 swap_val, swap_override;
  11465. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11466. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11467. port ^= (swap_val && swap_override);
  11468. bnx2x_ext_phy_hw_reset(bp, port);
  11469. /* PART1 - Reset both phys */
  11470. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11471. u32 shmem_base, shmem2_base;
  11472. /* In E2, same phy is using for port0 of the two paths */
  11473. if (CHIP_IS_E1x(bp)) {
  11474. shmem_base = shmem_base_path[0];
  11475. shmem2_base = shmem2_base_path[0];
  11476. port_of_path = port;
  11477. } else {
  11478. shmem_base = shmem_base_path[port];
  11479. shmem2_base = shmem2_base_path[port];
  11480. port_of_path = 0;
  11481. }
  11482. /* Extract the ext phy address for the port */
  11483. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11484. port_of_path, &phy[port]) !=
  11485. 0) {
  11486. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11487. return -EINVAL;
  11488. }
  11489. /* Disable attentions */
  11490. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11491. port_of_path*4,
  11492. (NIG_MASK_XGXS0_LINK_STATUS |
  11493. NIG_MASK_XGXS0_LINK10G |
  11494. NIG_MASK_SERDES0_LINK_STATUS |
  11495. NIG_MASK_MI_INT));
  11496. /* Need to take the phy out of low power mode in order
  11497. * to write to access its registers
  11498. */
  11499. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11500. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11501. port);
  11502. /* Reset the phy */
  11503. bnx2x_cl45_write(bp, &phy[port],
  11504. MDIO_PMA_DEVAD,
  11505. MDIO_PMA_REG_CTRL,
  11506. 1<<15);
  11507. }
  11508. /* Add delay of 150ms after reset */
  11509. msleep(150);
  11510. if (phy[PORT_0].addr & 0x1) {
  11511. phy_blk[PORT_0] = &(phy[PORT_1]);
  11512. phy_blk[PORT_1] = &(phy[PORT_0]);
  11513. } else {
  11514. phy_blk[PORT_0] = &(phy[PORT_0]);
  11515. phy_blk[PORT_1] = &(phy[PORT_1]);
  11516. }
  11517. /* PART2 - Download firmware to both phys */
  11518. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11519. if (CHIP_IS_E1x(bp))
  11520. port_of_path = port;
  11521. else
  11522. port_of_path = 0;
  11523. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11524. phy_blk[port]->addr);
  11525. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11526. port_of_path))
  11527. return -EINVAL;
  11528. /* Only set bit 10 = 1 (Tx power down) */
  11529. bnx2x_cl45_read(bp, phy_blk[port],
  11530. MDIO_PMA_DEVAD,
  11531. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11532. /* Phase1 of TX_POWER_DOWN reset */
  11533. bnx2x_cl45_write(bp, phy_blk[port],
  11534. MDIO_PMA_DEVAD,
  11535. MDIO_PMA_REG_TX_POWER_DOWN,
  11536. (val | 1<<10));
  11537. }
  11538. /* Toggle Transmitter: Power down and then up with 600ms delay
  11539. * between
  11540. */
  11541. msleep(600);
  11542. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11543. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11544. /* Phase2 of POWER_DOWN_RESET */
  11545. /* Release bit 10 (Release Tx power down) */
  11546. bnx2x_cl45_read(bp, phy_blk[port],
  11547. MDIO_PMA_DEVAD,
  11548. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11549. bnx2x_cl45_write(bp, phy_blk[port],
  11550. MDIO_PMA_DEVAD,
  11551. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11552. usleep_range(15000, 30000);
  11553. /* Read modify write the SPI-ROM version select register */
  11554. bnx2x_cl45_read(bp, phy_blk[port],
  11555. MDIO_PMA_DEVAD,
  11556. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11557. bnx2x_cl45_write(bp, phy_blk[port],
  11558. MDIO_PMA_DEVAD,
  11559. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11560. /* set GPIO2 back to LOW */
  11561. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11562. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11563. }
  11564. return 0;
  11565. }
  11566. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11567. u32 shmem_base_path[],
  11568. u32 shmem2_base_path[], u8 phy_index,
  11569. u32 chip_id)
  11570. {
  11571. u32 val;
  11572. s8 port;
  11573. struct bnx2x_phy phy;
  11574. /* Use port1 because of the static port-swap */
  11575. /* Enable the module detection interrupt */
  11576. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11577. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11578. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11579. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11580. bnx2x_ext_phy_hw_reset(bp, 0);
  11581. usleep_range(5000, 10000);
  11582. for (port = 0; port < PORT_MAX; port++) {
  11583. u32 shmem_base, shmem2_base;
  11584. /* In E2, same phy is using for port0 of the two paths */
  11585. if (CHIP_IS_E1x(bp)) {
  11586. shmem_base = shmem_base_path[0];
  11587. shmem2_base = shmem2_base_path[0];
  11588. } else {
  11589. shmem_base = shmem_base_path[port];
  11590. shmem2_base = shmem2_base_path[port];
  11591. }
  11592. /* Extract the ext phy address for the port */
  11593. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11594. port, &phy) !=
  11595. 0) {
  11596. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11597. return -EINVAL;
  11598. }
  11599. /* Reset phy*/
  11600. bnx2x_cl45_write(bp, &phy,
  11601. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11602. /* Set fault module detected LED on */
  11603. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11604. MISC_REGISTERS_GPIO_HIGH,
  11605. port);
  11606. }
  11607. return 0;
  11608. }
  11609. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11610. u8 *io_gpio, u8 *io_port)
  11611. {
  11612. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11613. offsetof(struct shmem_region,
  11614. dev_info.port_hw_config[PORT_0].default_cfg));
  11615. switch (phy_gpio_reset) {
  11616. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11617. *io_gpio = 0;
  11618. *io_port = 0;
  11619. break;
  11620. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11621. *io_gpio = 1;
  11622. *io_port = 0;
  11623. break;
  11624. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11625. *io_gpio = 2;
  11626. *io_port = 0;
  11627. break;
  11628. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11629. *io_gpio = 3;
  11630. *io_port = 0;
  11631. break;
  11632. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11633. *io_gpio = 0;
  11634. *io_port = 1;
  11635. break;
  11636. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11637. *io_gpio = 1;
  11638. *io_port = 1;
  11639. break;
  11640. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11641. *io_gpio = 2;
  11642. *io_port = 1;
  11643. break;
  11644. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11645. *io_gpio = 3;
  11646. *io_port = 1;
  11647. break;
  11648. default:
  11649. /* Don't override the io_gpio and io_port */
  11650. break;
  11651. }
  11652. }
  11653. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11654. u32 shmem_base_path[],
  11655. u32 shmem2_base_path[], u8 phy_index,
  11656. u32 chip_id)
  11657. {
  11658. s8 port, reset_gpio;
  11659. u32 swap_val, swap_override;
  11660. struct bnx2x_phy phy[PORT_MAX];
  11661. struct bnx2x_phy *phy_blk[PORT_MAX];
  11662. s8 port_of_path;
  11663. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11664. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11665. reset_gpio = MISC_REGISTERS_GPIO_1;
  11666. port = 1;
  11667. /* Retrieve the reset gpio/port which control the reset.
  11668. * Default is GPIO1, PORT1
  11669. */
  11670. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11671. (u8 *)&reset_gpio, (u8 *)&port);
  11672. /* Calculate the port based on port swap */
  11673. port ^= (swap_val && swap_override);
  11674. /* Initiate PHY reset*/
  11675. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11676. port);
  11677. usleep_range(1000, 2000);
  11678. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11679. port);
  11680. usleep_range(5000, 10000);
  11681. /* PART1 - Reset both phys */
  11682. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11683. u32 shmem_base, shmem2_base;
  11684. /* In E2, same phy is using for port0 of the two paths */
  11685. if (CHIP_IS_E1x(bp)) {
  11686. shmem_base = shmem_base_path[0];
  11687. shmem2_base = shmem2_base_path[0];
  11688. port_of_path = port;
  11689. } else {
  11690. shmem_base = shmem_base_path[port];
  11691. shmem2_base = shmem2_base_path[port];
  11692. port_of_path = 0;
  11693. }
  11694. /* Extract the ext phy address for the port */
  11695. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11696. port_of_path, &phy[port]) !=
  11697. 0) {
  11698. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11699. return -EINVAL;
  11700. }
  11701. /* disable attentions */
  11702. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11703. port_of_path*4,
  11704. (NIG_MASK_XGXS0_LINK_STATUS |
  11705. NIG_MASK_XGXS0_LINK10G |
  11706. NIG_MASK_SERDES0_LINK_STATUS |
  11707. NIG_MASK_MI_INT));
  11708. /* Reset the phy */
  11709. bnx2x_cl45_write(bp, &phy[port],
  11710. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11711. }
  11712. /* Add delay of 150ms after reset */
  11713. msleep(150);
  11714. if (phy[PORT_0].addr & 0x1) {
  11715. phy_blk[PORT_0] = &(phy[PORT_1]);
  11716. phy_blk[PORT_1] = &(phy[PORT_0]);
  11717. } else {
  11718. phy_blk[PORT_0] = &(phy[PORT_0]);
  11719. phy_blk[PORT_1] = &(phy[PORT_1]);
  11720. }
  11721. /* PART2 - Download firmware to both phys */
  11722. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11723. if (CHIP_IS_E1x(bp))
  11724. port_of_path = port;
  11725. else
  11726. port_of_path = 0;
  11727. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11728. phy_blk[port]->addr);
  11729. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11730. port_of_path))
  11731. return -EINVAL;
  11732. /* Disable PHY transmitter output */
  11733. bnx2x_cl45_write(bp, phy_blk[port],
  11734. MDIO_PMA_DEVAD,
  11735. MDIO_PMA_REG_TX_DISABLE, 1);
  11736. }
  11737. return 0;
  11738. }
  11739. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11740. u32 shmem_base_path[],
  11741. u32 shmem2_base_path[],
  11742. u8 phy_index,
  11743. u32 chip_id)
  11744. {
  11745. u8 reset_gpios;
  11746. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11747. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11748. udelay(10);
  11749. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11750. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11751. reset_gpios);
  11752. return 0;
  11753. }
  11754. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11755. u32 shmem2_base_path[], u8 phy_index,
  11756. u32 ext_phy_type, u32 chip_id)
  11757. {
  11758. int rc = 0;
  11759. switch (ext_phy_type) {
  11760. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11761. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11762. shmem2_base_path,
  11763. phy_index, chip_id);
  11764. break;
  11765. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11766. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11767. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11768. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11769. shmem2_base_path,
  11770. phy_index, chip_id);
  11771. break;
  11772. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11773. /* GPIO1 affects both ports, so there's need to pull
  11774. * it for single port alone
  11775. */
  11776. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11777. shmem2_base_path,
  11778. phy_index, chip_id);
  11779. break;
  11780. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11781. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11782. /* GPIO3's are linked, and so both need to be toggled
  11783. * to obtain required 2us pulse.
  11784. */
  11785. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11786. shmem2_base_path,
  11787. phy_index, chip_id);
  11788. break;
  11789. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11790. rc = -EINVAL;
  11791. break;
  11792. default:
  11793. DP(NETIF_MSG_LINK,
  11794. "ext_phy 0x%x common init not required\n",
  11795. ext_phy_type);
  11796. break;
  11797. }
  11798. if (rc)
  11799. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11800. " Port %d\n",
  11801. 0);
  11802. return rc;
  11803. }
  11804. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11805. u32 shmem2_base_path[], u32 chip_id)
  11806. {
  11807. int rc = 0;
  11808. u32 phy_ver, val;
  11809. u8 phy_index = 0;
  11810. u32 ext_phy_type, ext_phy_config;
  11811. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11812. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11813. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11814. if (CHIP_IS_E3(bp)) {
  11815. /* Enable EPIO */
  11816. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11817. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11818. }
  11819. /* Check if common init was already done */
  11820. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11821. offsetof(struct shmem_region,
  11822. port_mb[PORT_0].ext_phy_fw_version));
  11823. if (phy_ver) {
  11824. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11825. phy_ver);
  11826. return 0;
  11827. }
  11828. /* Read the ext_phy_type for arbitrary port(0) */
  11829. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11830. phy_index++) {
  11831. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11832. shmem_base_path[0],
  11833. phy_index, 0);
  11834. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11835. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11836. shmem2_base_path,
  11837. phy_index, ext_phy_type,
  11838. chip_id);
  11839. }
  11840. return rc;
  11841. }
  11842. static void bnx2x_check_over_curr(struct link_params *params,
  11843. struct link_vars *vars)
  11844. {
  11845. struct bnx2x *bp = params->bp;
  11846. u32 cfg_pin;
  11847. u8 port = params->port;
  11848. u32 pin_val;
  11849. cfg_pin = (REG_RD(bp, params->shmem_base +
  11850. offsetof(struct shmem_region,
  11851. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11852. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11853. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11854. /* Ignore check if no external input PIN available */
  11855. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11856. return;
  11857. if (!pin_val) {
  11858. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11859. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11860. " been detected and the power to "
  11861. "that SFP+ module has been removed"
  11862. " to prevent failure of the card."
  11863. " Please remove the SFP+ module and"
  11864. " restart the system to clear this"
  11865. " error.\n",
  11866. params->port);
  11867. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11868. bnx2x_warpcore_power_module(params, 0);
  11869. }
  11870. } else
  11871. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11872. }
  11873. /* Returns 0 if no change occurred since last check; 1 otherwise. */
  11874. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11875. struct link_vars *vars, u32 status,
  11876. u32 phy_flag, u32 link_flag, u8 notify)
  11877. {
  11878. struct bnx2x *bp = params->bp;
  11879. /* Compare new value with previous value */
  11880. u8 led_mode;
  11881. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11882. if ((status ^ old_status) == 0)
  11883. return 0;
  11884. /* If values differ */
  11885. switch (phy_flag) {
  11886. case PHY_HALF_OPEN_CONN_FLAG:
  11887. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11888. break;
  11889. case PHY_SFP_TX_FAULT_FLAG:
  11890. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11891. break;
  11892. default:
  11893. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11894. }
  11895. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11896. old_status, status);
  11897. /* Do not touch the link in case physical link down */
  11898. if ((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0)
  11899. return 1;
  11900. /* a. Update shmem->link_status accordingly
  11901. * b. Update link_vars->link_up
  11902. */
  11903. if (status) {
  11904. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11905. vars->link_status |= link_flag;
  11906. vars->link_up = 0;
  11907. vars->phy_flags |= phy_flag;
  11908. /* activate nig drain */
  11909. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11910. /* Set LED mode to off since the PHY doesn't know about these
  11911. * errors
  11912. */
  11913. led_mode = LED_MODE_OFF;
  11914. } else {
  11915. vars->link_status |= LINK_STATUS_LINK_UP;
  11916. vars->link_status &= ~link_flag;
  11917. vars->link_up = 1;
  11918. vars->phy_flags &= ~phy_flag;
  11919. led_mode = LED_MODE_OPER;
  11920. /* Clear nig drain */
  11921. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11922. }
  11923. bnx2x_sync_link(params, vars);
  11924. /* Update the LED according to the link state */
  11925. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11926. /* Update link status in the shared memory */
  11927. bnx2x_update_mng(params, vars->link_status);
  11928. /* C. Trigger General Attention */
  11929. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11930. if (notify)
  11931. bnx2x_notify_link_changed(bp);
  11932. return 1;
  11933. }
  11934. /******************************************************************************
  11935. * Description:
  11936. * This function checks for half opened connection change indication.
  11937. * When such change occurs, it calls the bnx2x_analyze_link_error
  11938. * to check if Remote Fault is set or cleared. Reception of remote fault
  11939. * status message in the MAC indicates that the peer's MAC has detected
  11940. * a fault, for example, due to break in the TX side of fiber.
  11941. *
  11942. ******************************************************************************/
  11943. static int bnx2x_check_half_open_conn(struct link_params *params,
  11944. struct link_vars *vars,
  11945. u8 notify)
  11946. {
  11947. struct bnx2x *bp = params->bp;
  11948. u32 lss_status = 0;
  11949. u32 mac_base;
  11950. /* In case link status is physically up @ 10G do */
  11951. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11952. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11953. return 0;
  11954. if (CHIP_IS_E3(bp) &&
  11955. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11956. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11957. /* Check E3 XMAC */
  11958. /* Note that link speed cannot be queried here, since it may be
  11959. * zero while link is down. In case UMAC is active, LSS will
  11960. * simply not be set
  11961. */
  11962. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11963. /* Clear stick bits (Requires rising edge) */
  11964. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11965. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11966. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11967. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11968. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11969. lss_status = 1;
  11970. bnx2x_analyze_link_error(params, vars, lss_status,
  11971. PHY_HALF_OPEN_CONN_FLAG,
  11972. LINK_STATUS_NONE, notify);
  11973. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11974. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11975. /* Check E1X / E2 BMAC */
  11976. u32 lss_status_reg;
  11977. u32 wb_data[2];
  11978. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11979. NIG_REG_INGRESS_BMAC0_MEM;
  11980. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11981. if (CHIP_IS_E2(bp))
  11982. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11983. else
  11984. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11985. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11986. lss_status = (wb_data[0] > 0);
  11987. bnx2x_analyze_link_error(params, vars, lss_status,
  11988. PHY_HALF_OPEN_CONN_FLAG,
  11989. LINK_STATUS_NONE, notify);
  11990. }
  11991. return 0;
  11992. }
  11993. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11994. struct link_params *params,
  11995. struct link_vars *vars)
  11996. {
  11997. struct bnx2x *bp = params->bp;
  11998. u32 cfg_pin, value = 0;
  11999. u8 led_change, port = params->port;
  12000. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  12001. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  12002. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  12003. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  12004. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  12005. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  12006. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  12007. return;
  12008. }
  12009. led_change = bnx2x_analyze_link_error(params, vars, value,
  12010. PHY_SFP_TX_FAULT_FLAG,
  12011. LINK_STATUS_SFP_TX_FAULT, 1);
  12012. if (led_change) {
  12013. /* Change TX_Fault led, set link status for further syncs */
  12014. u8 led_mode;
  12015. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  12016. led_mode = MISC_REGISTERS_GPIO_HIGH;
  12017. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  12018. } else {
  12019. led_mode = MISC_REGISTERS_GPIO_LOW;
  12020. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12021. }
  12022. /* If module is unapproved, led should be on regardless */
  12023. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  12024. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  12025. led_mode);
  12026. bnx2x_set_e3_module_fault_led(params, led_mode);
  12027. }
  12028. }
  12029. }
  12030. static void bnx2x_kr2_recovery(struct link_params *params,
  12031. struct link_vars *vars,
  12032. struct bnx2x_phy *phy)
  12033. {
  12034. struct bnx2x *bp = params->bp;
  12035. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  12036. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  12037. bnx2x_warpcore_restart_AN_KR(phy, params);
  12038. }
  12039. static void bnx2x_check_kr2_wa(struct link_params *params,
  12040. struct link_vars *vars,
  12041. struct bnx2x_phy *phy)
  12042. {
  12043. struct bnx2x *bp = params->bp;
  12044. u16 base_page, next_page, not_kr2_device, lane;
  12045. int sigdet;
  12046. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  12047. * Since some switches tend to reinit the AN process and clear the
  12048. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  12049. * and recovered many times
  12050. */
  12051. if (vars->check_kr2_recovery_cnt > 0) {
  12052. vars->check_kr2_recovery_cnt--;
  12053. return;
  12054. }
  12055. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  12056. if (!sigdet) {
  12057. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12058. bnx2x_kr2_recovery(params, vars, phy);
  12059. DP(NETIF_MSG_LINK, "No sigdet\n");
  12060. }
  12061. return;
  12062. }
  12063. lane = bnx2x_get_warpcore_lane(phy, params);
  12064. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12065. MDIO_AER_BLOCK_AER_REG, lane);
  12066. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12067. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12068. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12069. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12070. bnx2x_set_aer_mmd(params, phy);
  12071. /* CL73 has not begun yet */
  12072. if (base_page == 0) {
  12073. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12074. bnx2x_kr2_recovery(params, vars, phy);
  12075. DP(NETIF_MSG_LINK, "No BP\n");
  12076. }
  12077. return;
  12078. }
  12079. /* In case NP bit is not set in the BasePage, or it is set,
  12080. * but only KX is advertised, declare this link partner as non-KR2
  12081. * device.
  12082. */
  12083. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12084. (((base_page & 0x8000) &&
  12085. ((next_page & 0xe0) == 0x20))));
  12086. /* In case KR2 is already disabled, check if we need to re-enable it */
  12087. if (!(params->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12088. if (!not_kr2_device) {
  12089. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12090. next_page);
  12091. bnx2x_kr2_recovery(params, vars, phy);
  12092. }
  12093. return;
  12094. }
  12095. /* KR2 is enabled, but not KR2 device */
  12096. if (not_kr2_device) {
  12097. /* Disable KR2 on both lanes */
  12098. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12099. bnx2x_disable_kr2(params, vars, phy);
  12100. /* Restart AN on leading lane */
  12101. bnx2x_warpcore_restart_AN_KR(phy, params);
  12102. return;
  12103. }
  12104. }
  12105. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12106. {
  12107. u16 phy_idx;
  12108. struct bnx2x *bp = params->bp;
  12109. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12110. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12111. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12112. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12113. 0)
  12114. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12115. break;
  12116. }
  12117. }
  12118. if (CHIP_IS_E3(bp)) {
  12119. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12120. bnx2x_set_aer_mmd(params, phy);
  12121. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12122. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12123. bnx2x_check_kr2_wa(params, vars, phy);
  12124. bnx2x_check_over_curr(params, vars);
  12125. if (vars->rx_tx_asic_rst)
  12126. bnx2x_warpcore_config_runtime(phy, params, vars);
  12127. if ((REG_RD(bp, params->shmem_base +
  12128. offsetof(struct shmem_region, dev_info.
  12129. port_hw_config[params->port].default_cfg))
  12130. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12131. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12132. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12133. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12134. } else if (vars->link_status &
  12135. LINK_STATUS_SFP_TX_FAULT) {
  12136. /* Clean trail, interrupt corrects the leds */
  12137. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12138. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12139. /* Update link status in the shared memory */
  12140. bnx2x_update_mng(params, vars->link_status);
  12141. }
  12142. }
  12143. }
  12144. }
  12145. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12146. u32 shmem_base,
  12147. u32 shmem2_base,
  12148. u8 port)
  12149. {
  12150. u8 phy_index, fan_failure_det_req = 0;
  12151. struct bnx2x_phy phy;
  12152. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12153. phy_index++) {
  12154. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12155. port, &phy)
  12156. != 0) {
  12157. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12158. return 0;
  12159. }
  12160. fan_failure_det_req |= (phy.flags &
  12161. FLAGS_FAN_FAILURE_DET_REQ);
  12162. }
  12163. return fan_failure_det_req;
  12164. }
  12165. void bnx2x_hw_reset_phy(struct link_params *params)
  12166. {
  12167. u8 phy_index;
  12168. struct bnx2x *bp = params->bp;
  12169. bnx2x_update_mng(params, 0);
  12170. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12171. (NIG_MASK_XGXS0_LINK_STATUS |
  12172. NIG_MASK_XGXS0_LINK10G |
  12173. NIG_MASK_SERDES0_LINK_STATUS |
  12174. NIG_MASK_MI_INT));
  12175. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12176. phy_index++) {
  12177. if (params->phy[phy_index].hw_reset) {
  12178. params->phy[phy_index].hw_reset(
  12179. &params->phy[phy_index],
  12180. params);
  12181. params->phy[phy_index] = phy_null;
  12182. }
  12183. }
  12184. }
  12185. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12186. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12187. u8 port)
  12188. {
  12189. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12190. u32 val;
  12191. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12192. if (CHIP_IS_E3(bp)) {
  12193. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12194. shmem_base,
  12195. port,
  12196. &gpio_num,
  12197. &gpio_port) != 0)
  12198. return;
  12199. } else {
  12200. struct bnx2x_phy phy;
  12201. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12202. phy_index++) {
  12203. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12204. shmem2_base, port, &phy)
  12205. != 0) {
  12206. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12207. return;
  12208. }
  12209. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12210. gpio_num = MISC_REGISTERS_GPIO_3;
  12211. gpio_port = port;
  12212. break;
  12213. }
  12214. }
  12215. }
  12216. if (gpio_num == 0xff)
  12217. return;
  12218. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12219. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12220. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12221. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12222. gpio_port ^= (swap_val && swap_override);
  12223. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12224. (gpio_num + (gpio_port << 2));
  12225. sync_offset = shmem_base +
  12226. offsetof(struct shmem_region,
  12227. dev_info.port_hw_config[port].aeu_int_mask);
  12228. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12229. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12230. gpio_num, gpio_port, vars->aeu_int_mask);
  12231. if (port == 0)
  12232. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12233. else
  12234. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12235. /* Open appropriate AEU for interrupts */
  12236. aeu_mask = REG_RD(bp, offset);
  12237. aeu_mask |= vars->aeu_int_mask;
  12238. REG_WR(bp, offset, aeu_mask);
  12239. /* Enable the GPIO to trigger interrupt */
  12240. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12241. val |= 1 << (gpio_num + (gpio_port << 2));
  12242. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12243. }