bnx2x_link.c 399 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  27. struct link_params *params,
  28. u8 dev_addr, u16 addr, u8 byte_cnt,
  29. u8 *o_buf, u8);
  30. /********************************************************/
  31. #define ETH_HLEN 14
  32. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  33. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  34. #define ETH_MIN_PACKET_SIZE 60
  35. #define ETH_MAX_PACKET_SIZE 1500
  36. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  37. #define MDIO_ACCESS_TIMEOUT 1000
  38. #define WC_LANE_MAX 4
  39. #define I2C_SWITCH_WIDTH 2
  40. #define I2C_BSC0 0
  41. #define I2C_BSC1 1
  42. #define I2C_WA_RETRY_CNT 3
  43. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  44. #define MCPR_IMC_COMMAND_READ_OP 1
  45. #define MCPR_IMC_COMMAND_WRITE_OP 2
  46. /* LED Blink rate that will achieve ~15.9Hz */
  47. #define LED_BLINK_RATE_VAL_E3 354
  48. #define LED_BLINK_RATE_VAL_E1X_E2 480
  49. /***********************************************************/
  50. /* Shortcut definitions */
  51. /***********************************************************/
  52. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  53. #define NIG_STATUS_EMAC0_MI_INT \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  55. #define NIG_STATUS_XGXS0_LINK10G \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  57. #define NIG_STATUS_XGXS0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  59. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  60. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  61. #define NIG_STATUS_SERDES0_LINK_STATUS \
  62. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  63. #define NIG_MASK_MI_INT \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  65. #define NIG_MASK_XGXS0_LINK10G \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  67. #define NIG_MASK_XGXS0_LINK_STATUS \
  68. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  69. #define NIG_MASK_SERDES0_LINK_STATUS \
  70. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  71. #define MDIO_AN_CL73_OR_37_COMPLETE \
  72. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  73. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  74. #define XGXS_RESET_BITS \
  75. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  80. #define SERDES_RESET_BITS \
  81. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  82. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  83. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  84. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  85. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  86. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  87. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  88. #define AUTONEG_PARALLEL \
  89. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  90. #define AUTONEG_SGMII_FIBER_AUTODET \
  91. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  92. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  93. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  95. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  97. #define GP_STATUS_SPEED_MASK \
  98. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  99. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  100. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  101. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  102. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  103. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  104. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  105. #define GP_STATUS_10G_HIG \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  107. #define GP_STATUS_10G_CX4 \
  108. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  109. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  110. #define GP_STATUS_10G_KX4 \
  111. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  112. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  113. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  114. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  115. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  116. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  117. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  118. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  119. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  120. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  121. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  122. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  123. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  124. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  125. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  126. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  127. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  128. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  129. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  130. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  131. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  132. #define LINK_UPDATE_MASK \
  133. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  134. LINK_STATUS_LINK_UP | \
  135. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  136. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  137. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  138. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  139. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  140. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  141. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  142. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  143. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  144. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  145. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  146. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  147. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  148. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  149. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  150. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  151. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  152. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  153. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  154. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  155. #define SFP_EEPROM_OPTIONS_SIZE 2
  156. #define EDC_MODE_LINEAR 0x0022
  157. #define EDC_MODE_LIMITING 0x0044
  158. #define EDC_MODE_PASSIVE_DAC 0x0055
  159. #define EDC_MODE_ACTIVE_DAC 0x0066
  160. /* ETS defines*/
  161. #define DCBX_INVALID_COS (0xFF)
  162. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  163. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  164. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  165. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  166. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  167. #define MAX_PACKET_SIZE (9700)
  168. #define MAX_KR_LINK_RETRY 4
  169. /**********************************************************/
  170. /* INTERFACE */
  171. /**********************************************************/
  172. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  173. bnx2x_cl45_write(_bp, _phy, \
  174. (_phy)->def_md_devad, \
  175. (_bank + (_addr & 0xf)), \
  176. _val)
  177. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  178. bnx2x_cl45_read(_bp, _phy, \
  179. (_phy)->def_md_devad, \
  180. (_bank + (_addr & 0xf)), \
  181. _val)
  182. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  183. {
  184. u32 val = REG_RD(bp, reg);
  185. val |= bits;
  186. REG_WR(bp, reg, val);
  187. return val;
  188. }
  189. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  190. {
  191. u32 val = REG_RD(bp, reg);
  192. val &= ~bits;
  193. REG_WR(bp, reg, val);
  194. return val;
  195. }
  196. /*
  197. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  198. * or link flap can be avoided.
  199. *
  200. * @params: link parameters
  201. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  202. * condition code.
  203. */
  204. static int bnx2x_check_lfa(struct link_params *params)
  205. {
  206. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  207. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  208. u32 saved_val, req_val, eee_status;
  209. struct bnx2x *bp = params->bp;
  210. additional_config =
  211. REG_RD(bp, params->lfa_base +
  212. offsetof(struct shmem_lfa, additional_config));
  213. /* NOTE: must be first condition checked -
  214. * to verify DCC bit is cleared in any case!
  215. */
  216. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  217. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  218. REG_WR(bp, params->lfa_base +
  219. offsetof(struct shmem_lfa, additional_config),
  220. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  221. return LFA_DCC_LFA_DISABLED;
  222. }
  223. /* Verify that link is up */
  224. link_status = REG_RD(bp, params->shmem_base +
  225. offsetof(struct shmem_region,
  226. port_mb[params->port].link_status));
  227. if (!(link_status & LINK_STATUS_LINK_UP))
  228. return LFA_LINK_DOWN;
  229. /* if loaded after BOOT from SAN, don't flap the link in any case and
  230. * rely on link set by preboot driver
  231. */
  232. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  233. return 0;
  234. /* Verify that loopback mode is not set */
  235. if (params->loopback_mode)
  236. return LFA_LOOPBACK_ENABLED;
  237. /* Verify that MFW supports LFA */
  238. if (!params->lfa_base)
  239. return LFA_MFW_IS_TOO_OLD;
  240. if (params->num_phys == 3) {
  241. cfg_size = 2;
  242. lfa_mask = 0xffffffff;
  243. } else {
  244. cfg_size = 1;
  245. lfa_mask = 0xffff;
  246. }
  247. /* Compare Duplex */
  248. saved_val = REG_RD(bp, params->lfa_base +
  249. offsetof(struct shmem_lfa, req_duplex));
  250. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  251. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  252. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  253. (saved_val & lfa_mask), (req_val & lfa_mask));
  254. return LFA_DUPLEX_MISMATCH;
  255. }
  256. /* Compare Flow Control */
  257. saved_val = REG_RD(bp, params->lfa_base +
  258. offsetof(struct shmem_lfa, req_flow_ctrl));
  259. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  260. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  261. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  262. (saved_val & lfa_mask), (req_val & lfa_mask));
  263. return LFA_FLOW_CTRL_MISMATCH;
  264. }
  265. /* Compare Link Speed */
  266. saved_val = REG_RD(bp, params->lfa_base +
  267. offsetof(struct shmem_lfa, req_line_speed));
  268. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  269. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  270. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  271. (saved_val & lfa_mask), (req_val & lfa_mask));
  272. return LFA_LINK_SPEED_MISMATCH;
  273. }
  274. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  275. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  276. offsetof(struct shmem_lfa,
  277. speed_cap_mask[cfg_idx]));
  278. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  279. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  280. cur_speed_cap_mask,
  281. params->speed_cap_mask[cfg_idx]);
  282. return LFA_SPEED_CAP_MISMATCH;
  283. }
  284. }
  285. cur_req_fc_auto_adv =
  286. REG_RD(bp, params->lfa_base +
  287. offsetof(struct shmem_lfa, additional_config)) &
  288. REQ_FC_AUTO_ADV_MASK;
  289. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  290. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  291. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  292. return LFA_FLOW_CTRL_MISMATCH;
  293. }
  294. eee_status = REG_RD(bp, params->shmem2_base +
  295. offsetof(struct shmem2_region,
  296. eee_status[params->port]));
  297. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  298. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  299. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  300. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  301. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  302. eee_status);
  303. return LFA_EEE_MISMATCH;
  304. }
  305. /* LFA conditions are met */
  306. return 0;
  307. }
  308. /******************************************************************/
  309. /* EPIO/GPIO section */
  310. /******************************************************************/
  311. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  312. {
  313. u32 epio_mask, gp_oenable;
  314. *en = 0;
  315. /* Sanity check */
  316. if (epio_pin > 31) {
  317. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  318. return;
  319. }
  320. epio_mask = 1 << epio_pin;
  321. /* Set this EPIO to output */
  322. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  323. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  324. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  325. }
  326. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  327. {
  328. u32 epio_mask, gp_output, gp_oenable;
  329. /* Sanity check */
  330. if (epio_pin > 31) {
  331. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  332. return;
  333. }
  334. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  335. epio_mask = 1 << epio_pin;
  336. /* Set this EPIO to output */
  337. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  338. if (en)
  339. gp_output |= epio_mask;
  340. else
  341. gp_output &= ~epio_mask;
  342. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  343. /* Set the value for this EPIO */
  344. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  345. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  346. }
  347. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  348. {
  349. if (pin_cfg == PIN_CFG_NA)
  350. return;
  351. if (pin_cfg >= PIN_CFG_EPIO0) {
  352. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  353. } else {
  354. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  355. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  356. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  357. }
  358. }
  359. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  360. {
  361. if (pin_cfg == PIN_CFG_NA)
  362. return -EINVAL;
  363. if (pin_cfg >= PIN_CFG_EPIO0) {
  364. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  365. } else {
  366. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  367. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  368. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  369. }
  370. return 0;
  371. }
  372. /******************************************************************/
  373. /* ETS section */
  374. /******************************************************************/
  375. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  376. {
  377. /* ETS disabled configuration*/
  378. struct bnx2x *bp = params->bp;
  379. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  380. /* mapping between entry priority to client number (0,1,2 -debug and
  381. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  382. * 3bits client num.
  383. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  384. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  385. */
  386. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  387. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  388. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  389. * COS0 entry, 4 - COS1 entry.
  390. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  391. * bit4 bit3 bit2 bit1 bit0
  392. * MCP and debug are strict
  393. */
  394. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  395. /* defines which entries (clients) are subjected to WFQ arbitration */
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  397. /* For strict priority entries defines the number of consecutive
  398. * slots for the highest priority.
  399. */
  400. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  401. /* mapping between the CREDIT_WEIGHT registers and actual client
  402. * numbers
  403. */
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  405. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  406. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  407. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  408. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  409. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  410. /* ETS mode disable */
  411. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  412. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  413. * weight for COS0/COS1.
  414. */
  415. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  416. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  417. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  418. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  419. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  420. /* Defines the number of consecutive slots for the strict priority */
  421. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  422. }
  423. /******************************************************************************
  424. * Description:
  425. * Getting min_w_val will be set according to line speed .
  426. *.
  427. ******************************************************************************/
  428. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  429. {
  430. u32 min_w_val = 0;
  431. /* Calculate min_w_val.*/
  432. if (vars->link_up) {
  433. if (vars->line_speed == SPEED_20000)
  434. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  435. else
  436. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  437. } else
  438. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  439. /* If the link isn't up (static configuration for example ) The
  440. * link will be according to 20GBPS.
  441. */
  442. return min_w_val;
  443. }
  444. /******************************************************************************
  445. * Description:
  446. * Getting credit upper bound form min_w_val.
  447. *.
  448. ******************************************************************************/
  449. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  450. {
  451. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  452. MAX_PACKET_SIZE);
  453. return credit_upper_bound;
  454. }
  455. /******************************************************************************
  456. * Description:
  457. * Set credit upper bound for NIG.
  458. *.
  459. ******************************************************************************/
  460. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  461. const struct link_params *params,
  462. const u32 min_w_val)
  463. {
  464. struct bnx2x *bp = params->bp;
  465. const u8 port = params->port;
  466. const u32 credit_upper_bound =
  467. bnx2x_ets_get_credit_upper_bound(min_w_val);
  468. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  469. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  470. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  471. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  472. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  473. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  474. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  475. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  476. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  477. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  478. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  479. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  480. if (!port) {
  481. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  482. credit_upper_bound);
  483. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  484. credit_upper_bound);
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  486. credit_upper_bound);
  487. }
  488. }
  489. /******************************************************************************
  490. * Description:
  491. * Will return the NIG ETS registers to init values.Except
  492. * credit_upper_bound.
  493. * That isn't used in this configuration (No WFQ is enabled) and will be
  494. * configured acording to spec
  495. *.
  496. ******************************************************************************/
  497. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  498. const struct link_vars *vars)
  499. {
  500. struct bnx2x *bp = params->bp;
  501. const u8 port = params->port;
  502. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  503. /* Mapping between entry priority to client number (0,1,2 -debug and
  504. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  505. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  506. * reset value or init tool
  507. */
  508. if (port) {
  509. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  510. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  511. } else {
  512. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  513. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  514. }
  515. /* For strict priority entries defines the number of consecutive
  516. * slots for the highest priority.
  517. */
  518. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  519. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  520. /* Mapping between the CREDIT_WEIGHT registers and actual client
  521. * numbers
  522. */
  523. if (port) {
  524. /*Port 1 has 6 COS*/
  525. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  526. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  527. } else {
  528. /*Port 0 has 9 COS*/
  529. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  530. 0x43210876);
  531. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  532. }
  533. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  534. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  535. * COS0 entry, 4 - COS1 entry.
  536. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  537. * bit4 bit3 bit2 bit1 bit0
  538. * MCP and debug are strict
  539. */
  540. if (port)
  541. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  542. else
  543. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  544. /* defines which entries (clients) are subjected to WFQ arbitration */
  545. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  546. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  547. /* Please notice the register address are note continuous and a
  548. * for here is note appropriate.In 2 port mode port0 only COS0-5
  549. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  550. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  551. * are never used for WFQ
  552. */
  553. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  554. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  555. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  556. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  557. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  558. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  559. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  560. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  561. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  562. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  563. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  564. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  565. if (!port) {
  566. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  567. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  568. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  569. }
  570. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  571. }
  572. /******************************************************************************
  573. * Description:
  574. * Set credit upper bound for PBF.
  575. *.
  576. ******************************************************************************/
  577. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  578. const struct link_params *params,
  579. const u32 min_w_val)
  580. {
  581. struct bnx2x *bp = params->bp;
  582. const u32 credit_upper_bound =
  583. bnx2x_ets_get_credit_upper_bound(min_w_val);
  584. const u8 port = params->port;
  585. u32 base_upper_bound = 0;
  586. u8 max_cos = 0;
  587. u8 i = 0;
  588. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  589. * port mode port1 has COS0-2 that can be used for WFQ.
  590. */
  591. if (!port) {
  592. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  593. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  594. } else {
  595. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  596. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  597. }
  598. for (i = 0; i < max_cos; i++)
  599. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  600. }
  601. /******************************************************************************
  602. * Description:
  603. * Will return the PBF ETS registers to init values.Except
  604. * credit_upper_bound.
  605. * That isn't used in this configuration (No WFQ is enabled) and will be
  606. * configured acording to spec
  607. *.
  608. ******************************************************************************/
  609. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  610. {
  611. struct bnx2x *bp = params->bp;
  612. const u8 port = params->port;
  613. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  614. u8 i = 0;
  615. u32 base_weight = 0;
  616. u8 max_cos = 0;
  617. /* Mapping between entry priority to client number 0 - COS0
  618. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  619. * TODO_ETS - Should be done by reset value or init tool
  620. */
  621. if (port)
  622. /* 0x688 (|011|0 10|00 1|000) */
  623. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  624. else
  625. /* (10 1|100 |011|0 10|00 1|000) */
  626. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  627. /* TODO_ETS - Should be done by reset value or init tool */
  628. if (port)
  629. /* 0x688 (|011|0 10|00 1|000)*/
  630. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  631. else
  632. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  633. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  634. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  635. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  636. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  637. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  638. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  639. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  640. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  641. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  642. */
  643. if (!port) {
  644. base_weight = PBF_REG_COS0_WEIGHT_P0;
  645. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  646. } else {
  647. base_weight = PBF_REG_COS0_WEIGHT_P1;
  648. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  649. }
  650. for (i = 0; i < max_cos; i++)
  651. REG_WR(bp, base_weight + (0x4 * i), 0);
  652. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  653. }
  654. /******************************************************************************
  655. * Description:
  656. * E3B0 disable will return basicly the values to init values.
  657. *.
  658. ******************************************************************************/
  659. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  660. const struct link_vars *vars)
  661. {
  662. struct bnx2x *bp = params->bp;
  663. if (!CHIP_IS_E3B0(bp)) {
  664. DP(NETIF_MSG_LINK,
  665. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  666. return -EINVAL;
  667. }
  668. bnx2x_ets_e3b0_nig_disabled(params, vars);
  669. bnx2x_ets_e3b0_pbf_disabled(params);
  670. return 0;
  671. }
  672. /******************************************************************************
  673. * Description:
  674. * Disable will return basicly the values to init values.
  675. *
  676. ******************************************************************************/
  677. int bnx2x_ets_disabled(struct link_params *params,
  678. struct link_vars *vars)
  679. {
  680. struct bnx2x *bp = params->bp;
  681. int bnx2x_status = 0;
  682. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  683. bnx2x_ets_e2e3a0_disabled(params);
  684. else if (CHIP_IS_E3B0(bp))
  685. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  686. else {
  687. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  688. return -EINVAL;
  689. }
  690. return bnx2x_status;
  691. }
  692. /******************************************************************************
  693. * Description
  694. * Set the COS mappimg to SP and BW until this point all the COS are not
  695. * set as SP or BW.
  696. ******************************************************************************/
  697. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  698. const struct bnx2x_ets_params *ets_params,
  699. const u8 cos_sp_bitmap,
  700. const u8 cos_bw_bitmap)
  701. {
  702. struct bnx2x *bp = params->bp;
  703. const u8 port = params->port;
  704. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  705. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  706. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  707. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  708. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  709. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  710. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  711. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  712. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  713. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  714. nig_cli_subject2wfq_bitmap);
  715. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  716. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  717. pbf_cli_subject2wfq_bitmap);
  718. return 0;
  719. }
  720. /******************************************************************************
  721. * Description:
  722. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  723. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  724. ******************************************************************************/
  725. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  726. const u8 cos_entry,
  727. const u32 min_w_val_nig,
  728. const u32 min_w_val_pbf,
  729. const u16 total_bw,
  730. const u8 bw,
  731. const u8 port)
  732. {
  733. u32 nig_reg_adress_crd_weight = 0;
  734. u32 pbf_reg_adress_crd_weight = 0;
  735. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  736. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  737. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  738. switch (cos_entry) {
  739. case 0:
  740. nig_reg_adress_crd_weight =
  741. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  742. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  743. pbf_reg_adress_crd_weight = (port) ?
  744. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  745. break;
  746. case 1:
  747. nig_reg_adress_crd_weight = (port) ?
  748. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  749. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  750. pbf_reg_adress_crd_weight = (port) ?
  751. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  752. break;
  753. case 2:
  754. nig_reg_adress_crd_weight = (port) ?
  755. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  756. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  757. pbf_reg_adress_crd_weight = (port) ?
  758. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  759. break;
  760. case 3:
  761. if (port)
  762. return -EINVAL;
  763. nig_reg_adress_crd_weight =
  764. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  765. pbf_reg_adress_crd_weight =
  766. PBF_REG_COS3_WEIGHT_P0;
  767. break;
  768. case 4:
  769. if (port)
  770. return -EINVAL;
  771. nig_reg_adress_crd_weight =
  772. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  773. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  774. break;
  775. case 5:
  776. if (port)
  777. return -EINVAL;
  778. nig_reg_adress_crd_weight =
  779. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  780. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  781. break;
  782. }
  783. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  784. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  785. return 0;
  786. }
  787. /******************************************************************************
  788. * Description:
  789. * Calculate the total BW.A value of 0 isn't legal.
  790. *
  791. ******************************************************************************/
  792. static int bnx2x_ets_e3b0_get_total_bw(
  793. const struct link_params *params,
  794. struct bnx2x_ets_params *ets_params,
  795. u16 *total_bw)
  796. {
  797. struct bnx2x *bp = params->bp;
  798. u8 cos_idx = 0;
  799. u8 is_bw_cos_exist = 0;
  800. *total_bw = 0 ;
  801. /* Calculate total BW requested */
  802. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  803. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  804. is_bw_cos_exist = 1;
  805. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  806. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  807. "was set to 0\n");
  808. /* This is to prevent a state when ramrods
  809. * can't be sent
  810. */
  811. ets_params->cos[cos_idx].params.bw_params.bw
  812. = 1;
  813. }
  814. *total_bw +=
  815. ets_params->cos[cos_idx].params.bw_params.bw;
  816. }
  817. }
  818. /* Check total BW is valid */
  819. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  820. if (*total_bw == 0) {
  821. DP(NETIF_MSG_LINK,
  822. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  823. return -EINVAL;
  824. }
  825. DP(NETIF_MSG_LINK,
  826. "bnx2x_ets_E3B0_config total BW should be 100\n");
  827. /* We can handle a case whre the BW isn't 100 this can happen
  828. * if the TC are joined.
  829. */
  830. }
  831. return 0;
  832. }
  833. /******************************************************************************
  834. * Description:
  835. * Invalidate all the sp_pri_to_cos.
  836. *
  837. ******************************************************************************/
  838. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  839. {
  840. u8 pri = 0;
  841. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  842. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  843. }
  844. /******************************************************************************
  845. * Description:
  846. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  847. * according to sp_pri_to_cos.
  848. *
  849. ******************************************************************************/
  850. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  851. u8 *sp_pri_to_cos, const u8 pri,
  852. const u8 cos_entry)
  853. {
  854. struct bnx2x *bp = params->bp;
  855. const u8 port = params->port;
  856. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  857. DCBX_E3B0_MAX_NUM_COS_PORT0;
  858. if (pri >= max_num_of_cos) {
  859. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  860. "parameter Illegal strict priority\n");
  861. return -EINVAL;
  862. }
  863. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  864. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  865. "parameter There can't be two COS's with "
  866. "the same strict pri\n");
  867. return -EINVAL;
  868. }
  869. sp_pri_to_cos[pri] = cos_entry;
  870. return 0;
  871. }
  872. /******************************************************************************
  873. * Description:
  874. * Returns the correct value according to COS and priority in
  875. * the sp_pri_cli register.
  876. *
  877. ******************************************************************************/
  878. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  879. const u8 pri_set,
  880. const u8 pri_offset,
  881. const u8 entry_size)
  882. {
  883. u64 pri_cli_nig = 0;
  884. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  885. (pri_set + pri_offset));
  886. return pri_cli_nig;
  887. }
  888. /******************************************************************************
  889. * Description:
  890. * Returns the correct value according to COS and priority in the
  891. * sp_pri_cli register for NIG.
  892. *
  893. ******************************************************************************/
  894. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  895. {
  896. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  897. const u8 nig_cos_offset = 3;
  898. const u8 nig_pri_offset = 3;
  899. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  900. nig_pri_offset, 4);
  901. }
  902. /******************************************************************************
  903. * Description:
  904. * Returns the correct value according to COS and priority in the
  905. * sp_pri_cli register for PBF.
  906. *
  907. ******************************************************************************/
  908. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  909. {
  910. const u8 pbf_cos_offset = 0;
  911. const u8 pbf_pri_offset = 0;
  912. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  913. pbf_pri_offset, 3);
  914. }
  915. /******************************************************************************
  916. * Description:
  917. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  918. * according to sp_pri_to_cos.(which COS has higher priority)
  919. *
  920. ******************************************************************************/
  921. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  922. u8 *sp_pri_to_cos)
  923. {
  924. struct bnx2x *bp = params->bp;
  925. u8 i = 0;
  926. const u8 port = params->port;
  927. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  928. u64 pri_cli_nig = 0x210;
  929. u32 pri_cli_pbf = 0x0;
  930. u8 pri_set = 0;
  931. u8 pri_bitmask = 0;
  932. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  933. DCBX_E3B0_MAX_NUM_COS_PORT0;
  934. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  935. /* Set all the strict priority first */
  936. for (i = 0; i < max_num_of_cos; i++) {
  937. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  938. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  939. DP(NETIF_MSG_LINK,
  940. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  941. "invalid cos entry\n");
  942. return -EINVAL;
  943. }
  944. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  945. sp_pri_to_cos[i], pri_set);
  946. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  947. sp_pri_to_cos[i], pri_set);
  948. pri_bitmask = 1 << sp_pri_to_cos[i];
  949. /* COS is used remove it from bitmap.*/
  950. if (!(pri_bitmask & cos_bit_to_set)) {
  951. DP(NETIF_MSG_LINK,
  952. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  953. "invalid There can't be two COS's with"
  954. " the same strict pri\n");
  955. return -EINVAL;
  956. }
  957. cos_bit_to_set &= ~pri_bitmask;
  958. pri_set++;
  959. }
  960. }
  961. /* Set all the Non strict priority i= COS*/
  962. for (i = 0; i < max_num_of_cos; i++) {
  963. pri_bitmask = 1 << i;
  964. /* Check if COS was already used for SP */
  965. if (pri_bitmask & cos_bit_to_set) {
  966. /* COS wasn't used for SP */
  967. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  968. i, pri_set);
  969. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  970. i, pri_set);
  971. /* COS is used remove it from bitmap.*/
  972. cos_bit_to_set &= ~pri_bitmask;
  973. pri_set++;
  974. }
  975. }
  976. if (pri_set != max_num_of_cos) {
  977. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  978. "entries were set\n");
  979. return -EINVAL;
  980. }
  981. if (port) {
  982. /* Only 6 usable clients*/
  983. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  984. (u32)pri_cli_nig);
  985. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  986. } else {
  987. /* Only 9 usable clients*/
  988. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  989. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  990. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  991. pri_cli_nig_lsb);
  992. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  993. pri_cli_nig_msb);
  994. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  995. }
  996. return 0;
  997. }
  998. /******************************************************************************
  999. * Description:
  1000. * Configure the COS to ETS according to BW and SP settings.
  1001. ******************************************************************************/
  1002. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1003. const struct link_vars *vars,
  1004. struct bnx2x_ets_params *ets_params)
  1005. {
  1006. struct bnx2x *bp = params->bp;
  1007. int bnx2x_status = 0;
  1008. const u8 port = params->port;
  1009. u16 total_bw = 0;
  1010. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1011. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1012. u8 cos_bw_bitmap = 0;
  1013. u8 cos_sp_bitmap = 0;
  1014. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1015. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1016. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1017. u8 cos_entry = 0;
  1018. if (!CHIP_IS_E3B0(bp)) {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1021. return -EINVAL;
  1022. }
  1023. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1024. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1025. "isn't supported\n");
  1026. return -EINVAL;
  1027. }
  1028. /* Prepare sp strict priority parameters*/
  1029. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1030. /* Prepare BW parameters*/
  1031. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1032. &total_bw);
  1033. if (bnx2x_status) {
  1034. DP(NETIF_MSG_LINK,
  1035. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1036. return -EINVAL;
  1037. }
  1038. /* Upper bound is set according to current link speed (min_w_val
  1039. * should be the same for upper bound and COS credit val).
  1040. */
  1041. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1042. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1043. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1044. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1045. cos_bw_bitmap |= (1 << cos_entry);
  1046. /* The function also sets the BW in HW(not the mappin
  1047. * yet)
  1048. */
  1049. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1050. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1051. total_bw,
  1052. ets_params->cos[cos_entry].params.bw_params.bw,
  1053. port);
  1054. } else if (bnx2x_cos_state_strict ==
  1055. ets_params->cos[cos_entry].state){
  1056. cos_sp_bitmap |= (1 << cos_entry);
  1057. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1058. params,
  1059. sp_pri_to_cos,
  1060. ets_params->cos[cos_entry].params.sp_params.pri,
  1061. cos_entry);
  1062. } else {
  1063. DP(NETIF_MSG_LINK,
  1064. "bnx2x_ets_e3b0_config cos state not valid\n");
  1065. return -EINVAL;
  1066. }
  1067. if (bnx2x_status) {
  1068. DP(NETIF_MSG_LINK,
  1069. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1070. return bnx2x_status;
  1071. }
  1072. }
  1073. /* Set SP register (which COS has higher priority) */
  1074. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1075. sp_pri_to_cos);
  1076. if (bnx2x_status) {
  1077. DP(NETIF_MSG_LINK,
  1078. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1079. return bnx2x_status;
  1080. }
  1081. /* Set client mapping of BW and strict */
  1082. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1083. cos_sp_bitmap,
  1084. cos_bw_bitmap);
  1085. if (bnx2x_status) {
  1086. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1087. return bnx2x_status;
  1088. }
  1089. return 0;
  1090. }
  1091. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1092. {
  1093. /* ETS disabled configuration */
  1094. struct bnx2x *bp = params->bp;
  1095. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1096. /* Defines which entries (clients) are subjected to WFQ arbitration
  1097. * COS0 0x8
  1098. * COS1 0x10
  1099. */
  1100. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1101. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1102. * client numbers (WEIGHT_0 does not actually have to represent
  1103. * client 0)
  1104. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1105. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1106. */
  1107. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1108. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1109. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1110. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1111. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1112. /* ETS mode enabled*/
  1113. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1114. /* Defines the number of consecutive slots for the strict priority */
  1115. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1116. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1117. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1118. * entry, 4 - COS1 entry.
  1119. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1120. * bit4 bit3 bit2 bit1 bit0
  1121. * MCP and debug are strict
  1122. */
  1123. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1124. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1125. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1126. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1127. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1128. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1129. }
  1130. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1131. const u32 cos1_bw)
  1132. {
  1133. /* ETS disabled configuration*/
  1134. struct bnx2x *bp = params->bp;
  1135. const u32 total_bw = cos0_bw + cos1_bw;
  1136. u32 cos0_credit_weight = 0;
  1137. u32 cos1_credit_weight = 0;
  1138. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1139. if ((!total_bw) ||
  1140. (!cos0_bw) ||
  1141. (!cos1_bw)) {
  1142. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1143. return;
  1144. }
  1145. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1146. total_bw;
  1147. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1148. total_bw;
  1149. bnx2x_ets_bw_limit_common(params);
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1151. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1152. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1153. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1154. }
  1155. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1156. {
  1157. /* ETS disabled configuration*/
  1158. struct bnx2x *bp = params->bp;
  1159. u32 val = 0;
  1160. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1161. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1162. * as strict. Bits 0,1,2 - debug and management entries,
  1163. * 3 - COS0 entry, 4 - COS1 entry.
  1164. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1165. * bit4 bit3 bit2 bit1 bit0
  1166. * MCP and debug are strict
  1167. */
  1168. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1169. /* For strict priority entries defines the number of consecutive slots
  1170. * for the highest priority.
  1171. */
  1172. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1173. /* ETS mode disable */
  1174. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1175. /* Defines the number of consecutive slots for the strict priority */
  1176. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1177. /* Defines the number of consecutive slots for the strict priority */
  1178. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1179. /* Mapping between entry priority to client number (0,1,2 -debug and
  1180. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1181. * 3bits client num.
  1182. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1183. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1184. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1185. */
  1186. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1187. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1188. return 0;
  1189. }
  1190. /******************************************************************/
  1191. /* PFC section */
  1192. /******************************************************************/
  1193. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1194. struct link_vars *vars,
  1195. u8 is_lb)
  1196. {
  1197. struct bnx2x *bp = params->bp;
  1198. u32 xmac_base;
  1199. u32 pause_val, pfc0_val, pfc1_val;
  1200. /* XMAC base adrr */
  1201. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1202. /* Initialize pause and pfc registers */
  1203. pause_val = 0x18000;
  1204. pfc0_val = 0xFFFF8000;
  1205. pfc1_val = 0x2;
  1206. /* No PFC support */
  1207. if (!(params->feature_config_flags &
  1208. FEATURE_CONFIG_PFC_ENABLED)) {
  1209. /* RX flow control - Process pause frame in receive direction
  1210. */
  1211. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1212. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1213. /* TX flow control - Send pause packet when buffer is full */
  1214. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1215. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1216. } else {/* PFC support */
  1217. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1218. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1219. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1220. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1221. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1222. /* Write pause and PFC registers */
  1223. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1224. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1225. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1226. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1227. }
  1228. /* Write pause and PFC registers */
  1229. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1230. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1231. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1232. /* Set MAC address for source TX Pause/PFC frames */
  1233. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1234. ((params->mac_addr[2] << 24) |
  1235. (params->mac_addr[3] << 16) |
  1236. (params->mac_addr[4] << 8) |
  1237. (params->mac_addr[5])));
  1238. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1239. ((params->mac_addr[0] << 8) |
  1240. (params->mac_addr[1])));
  1241. udelay(30);
  1242. }
  1243. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1244. u32 pfc_frames_sent[2],
  1245. u32 pfc_frames_received[2])
  1246. {
  1247. /* Read pfc statistic */
  1248. struct bnx2x *bp = params->bp;
  1249. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1250. u32 val_xon = 0;
  1251. u32 val_xoff = 0;
  1252. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1253. /* PFC received frames */
  1254. val_xoff = REG_RD(bp, emac_base +
  1255. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1256. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1257. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1258. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1259. pfc_frames_received[0] = val_xon + val_xoff;
  1260. /* PFC received sent */
  1261. val_xoff = REG_RD(bp, emac_base +
  1262. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1263. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1264. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1265. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1266. pfc_frames_sent[0] = val_xon + val_xoff;
  1267. }
  1268. /* Read pfc statistic*/
  1269. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1270. u32 pfc_frames_sent[2],
  1271. u32 pfc_frames_received[2])
  1272. {
  1273. /* Read pfc statistic */
  1274. struct bnx2x *bp = params->bp;
  1275. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1276. if (!vars->link_up)
  1277. return;
  1278. if (vars->mac_type == MAC_TYPE_EMAC) {
  1279. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1280. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1281. pfc_frames_received);
  1282. }
  1283. }
  1284. /******************************************************************/
  1285. /* MAC/PBF section */
  1286. /******************************************************************/
  1287. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1288. u32 emac_base)
  1289. {
  1290. u32 new_mode, cur_mode;
  1291. u32 clc_cnt;
  1292. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1293. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1294. */
  1295. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1296. if (USES_WARPCORE(bp))
  1297. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1298. else
  1299. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1300. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1301. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1302. return;
  1303. new_mode = cur_mode &
  1304. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1305. new_mode |= clc_cnt;
  1306. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1307. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1308. cur_mode, new_mode);
  1309. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1310. udelay(40);
  1311. }
  1312. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1313. struct link_params *params)
  1314. {
  1315. u8 phy_index;
  1316. /* Set mdio clock per phy */
  1317. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1318. phy_index++)
  1319. bnx2x_set_mdio_clk(bp, params->chip_id,
  1320. params->phy[phy_index].mdio_ctrl);
  1321. }
  1322. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1323. {
  1324. u32 port4mode_ovwr_val;
  1325. /* Check 4-port override enabled */
  1326. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1327. if (port4mode_ovwr_val & (1<<0)) {
  1328. /* Return 4-port mode override value */
  1329. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1330. }
  1331. /* Return 4-port mode from input pin */
  1332. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1333. }
  1334. static void bnx2x_emac_init(struct link_params *params,
  1335. struct link_vars *vars)
  1336. {
  1337. /* reset and unreset the emac core */
  1338. struct bnx2x *bp = params->bp;
  1339. u8 port = params->port;
  1340. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1341. u32 val;
  1342. u16 timeout;
  1343. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1344. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1345. udelay(5);
  1346. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1347. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1348. /* init emac - use read-modify-write */
  1349. /* self clear reset */
  1350. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1351. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1352. timeout = 200;
  1353. do {
  1354. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1355. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1356. if (!timeout) {
  1357. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1358. return;
  1359. }
  1360. timeout--;
  1361. } while (val & EMAC_MODE_RESET);
  1362. bnx2x_set_mdio_emac_per_phy(bp, params);
  1363. /* Set mac address */
  1364. val = ((params->mac_addr[0] << 8) |
  1365. params->mac_addr[1]);
  1366. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1367. val = ((params->mac_addr[2] << 24) |
  1368. (params->mac_addr[3] << 16) |
  1369. (params->mac_addr[4] << 8) |
  1370. params->mac_addr[5]);
  1371. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1372. }
  1373. static void bnx2x_set_xumac_nig(struct link_params *params,
  1374. u16 tx_pause_en,
  1375. u8 enable)
  1376. {
  1377. struct bnx2x *bp = params->bp;
  1378. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1379. enable);
  1380. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1381. enable);
  1382. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1383. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1384. }
  1385. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1386. {
  1387. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1388. u32 val;
  1389. struct bnx2x *bp = params->bp;
  1390. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1391. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1392. return;
  1393. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1394. if (en)
  1395. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1396. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1397. else
  1398. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1399. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1400. /* Disable RX and TX */
  1401. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1402. }
  1403. static void bnx2x_umac_enable(struct link_params *params,
  1404. struct link_vars *vars, u8 lb)
  1405. {
  1406. u32 val;
  1407. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1408. struct bnx2x *bp = params->bp;
  1409. /* Reset UMAC */
  1410. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1411. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1412. usleep_range(1000, 2000);
  1413. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1414. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1415. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1416. /* This register opens the gate for the UMAC despite its name */
  1417. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1418. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1419. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1420. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1421. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1422. switch (vars->line_speed) {
  1423. case SPEED_10:
  1424. val |= (0<<2);
  1425. break;
  1426. case SPEED_100:
  1427. val |= (1<<2);
  1428. break;
  1429. case SPEED_1000:
  1430. val |= (2<<2);
  1431. break;
  1432. case SPEED_2500:
  1433. val |= (3<<2);
  1434. break;
  1435. default:
  1436. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1437. vars->line_speed);
  1438. break;
  1439. }
  1440. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1441. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1442. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1443. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1444. if (vars->duplex == DUPLEX_HALF)
  1445. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1446. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1447. udelay(50);
  1448. /* Configure UMAC for EEE */
  1449. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1450. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1451. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1452. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1453. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1454. } else {
  1455. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1456. }
  1457. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1458. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1459. ((params->mac_addr[2] << 24) |
  1460. (params->mac_addr[3] << 16) |
  1461. (params->mac_addr[4] << 8) |
  1462. (params->mac_addr[5])));
  1463. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1464. ((params->mac_addr[0] << 8) |
  1465. (params->mac_addr[1])));
  1466. /* Enable RX and TX */
  1467. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1468. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1469. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1470. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1471. udelay(50);
  1472. /* Remove SW Reset */
  1473. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1474. /* Check loopback mode */
  1475. if (lb)
  1476. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1477. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1478. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1479. * length used by the MAC receive logic to check frames.
  1480. */
  1481. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1482. bnx2x_set_xumac_nig(params,
  1483. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1484. vars->mac_type = MAC_TYPE_UMAC;
  1485. }
  1486. /* Define the XMAC mode */
  1487. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1488. {
  1489. struct bnx2x *bp = params->bp;
  1490. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1491. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1492. * already out of reset, it means the mode has already been set,
  1493. * and it must not* reset the XMAC again, since it controls both
  1494. * ports of the path
  1495. */
  1496. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1497. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1498. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1499. is_port4mode &&
  1500. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1501. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1502. DP(NETIF_MSG_LINK,
  1503. "XMAC already out of reset in 4-port mode\n");
  1504. return;
  1505. }
  1506. /* Hard reset */
  1507. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1508. MISC_REGISTERS_RESET_REG_2_XMAC);
  1509. usleep_range(1000, 2000);
  1510. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1511. MISC_REGISTERS_RESET_REG_2_XMAC);
  1512. if (is_port4mode) {
  1513. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1514. /* Set the number of ports on the system side to up to 2 */
  1515. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1516. /* Set the number of ports on the Warp Core to 10G */
  1517. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1518. } else {
  1519. /* Set the number of ports on the system side to 1 */
  1520. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1521. if (max_speed == SPEED_10000) {
  1522. DP(NETIF_MSG_LINK,
  1523. "Init XMAC to 10G x 1 port per path\n");
  1524. /* Set the number of ports on the Warp Core to 10G */
  1525. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1526. } else {
  1527. DP(NETIF_MSG_LINK,
  1528. "Init XMAC to 20G x 2 ports per path\n");
  1529. /* Set the number of ports on the Warp Core to 20G */
  1530. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1531. }
  1532. }
  1533. /* Soft reset */
  1534. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1535. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1536. usleep_range(1000, 2000);
  1537. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1538. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1539. }
  1540. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1541. {
  1542. u8 port = params->port;
  1543. struct bnx2x *bp = params->bp;
  1544. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1545. u32 val;
  1546. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1547. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1548. /* Send an indication to change the state in the NIG back to XON
  1549. * Clearing this bit enables the next set of this bit to get
  1550. * rising edge
  1551. */
  1552. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1553. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1554. (pfc_ctrl & ~(1<<1)));
  1555. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1556. (pfc_ctrl | (1<<1)));
  1557. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1558. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1559. if (en)
  1560. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1561. else
  1562. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1563. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1564. }
  1565. }
  1566. static int bnx2x_xmac_enable(struct link_params *params,
  1567. struct link_vars *vars, u8 lb)
  1568. {
  1569. u32 val, xmac_base;
  1570. struct bnx2x *bp = params->bp;
  1571. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1572. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1573. bnx2x_xmac_init(params, vars->line_speed);
  1574. /* This register determines on which events the MAC will assert
  1575. * error on the i/f to the NIG along w/ EOP.
  1576. */
  1577. /* This register tells the NIG whether to send traffic to UMAC
  1578. * or XMAC
  1579. */
  1580. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1581. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1582. * detection.
  1583. */
  1584. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1585. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1586. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1587. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1588. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1589. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1590. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1591. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1592. }
  1593. /* Set Max packet size */
  1594. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1595. /* CRC append for Tx packets */
  1596. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1597. /* update PFC */
  1598. bnx2x_update_pfc_xmac(params, vars, 0);
  1599. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1600. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1601. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1602. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1603. } else {
  1604. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1605. }
  1606. /* Enable TX and RX */
  1607. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1608. /* Set MAC in XLGMII mode for dual-mode */
  1609. if ((vars->line_speed == SPEED_20000) &&
  1610. (params->phy[INT_PHY].supported &
  1611. SUPPORTED_20000baseKR2_Full))
  1612. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1613. /* Check loopback mode */
  1614. if (lb)
  1615. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1616. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1617. bnx2x_set_xumac_nig(params,
  1618. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1619. vars->mac_type = MAC_TYPE_XMAC;
  1620. return 0;
  1621. }
  1622. static int bnx2x_emac_enable(struct link_params *params,
  1623. struct link_vars *vars, u8 lb)
  1624. {
  1625. struct bnx2x *bp = params->bp;
  1626. u8 port = params->port;
  1627. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1628. u32 val;
  1629. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1630. /* Disable BMAC */
  1631. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1632. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1633. /* enable emac and not bmac */
  1634. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1635. /* ASIC */
  1636. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1637. u32 ser_lane = ((params->lane_config &
  1638. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1639. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1640. DP(NETIF_MSG_LINK, "XGXS\n");
  1641. /* select the master lanes (out of 0-3) */
  1642. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1643. /* select XGXS */
  1644. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1645. } else { /* SerDes */
  1646. DP(NETIF_MSG_LINK, "SerDes\n");
  1647. /* select SerDes */
  1648. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1649. }
  1650. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1651. EMAC_RX_MODE_RESET);
  1652. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1653. EMAC_TX_MODE_RESET);
  1654. /* pause enable/disable */
  1655. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1656. EMAC_RX_MODE_FLOW_EN);
  1657. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1658. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1659. EMAC_TX_MODE_FLOW_EN));
  1660. if (!(params->feature_config_flags &
  1661. FEATURE_CONFIG_PFC_ENABLED)) {
  1662. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1663. bnx2x_bits_en(bp, emac_base +
  1664. EMAC_REG_EMAC_RX_MODE,
  1665. EMAC_RX_MODE_FLOW_EN);
  1666. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1667. bnx2x_bits_en(bp, emac_base +
  1668. EMAC_REG_EMAC_TX_MODE,
  1669. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1670. EMAC_TX_MODE_FLOW_EN));
  1671. } else
  1672. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1673. EMAC_TX_MODE_FLOW_EN);
  1674. /* KEEP_VLAN_TAG, promiscuous */
  1675. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1676. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1677. /* Setting this bit causes MAC control frames (except for pause
  1678. * frames) to be passed on for processing. This setting has no
  1679. * affect on the operation of the pause frames. This bit effects
  1680. * all packets regardless of RX Parser packet sorting logic.
  1681. * Turn the PFC off to make sure we are in Xon state before
  1682. * enabling it.
  1683. */
  1684. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1685. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1686. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1687. /* Enable PFC again */
  1688. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1689. EMAC_REG_RX_PFC_MODE_RX_EN |
  1690. EMAC_REG_RX_PFC_MODE_TX_EN |
  1691. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1692. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1693. ((0x0101 <<
  1694. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1695. (0x00ff <<
  1696. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1697. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1698. }
  1699. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1700. /* Set Loopback */
  1701. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1702. if (lb)
  1703. val |= 0x810;
  1704. else
  1705. val &= ~0x810;
  1706. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1707. /* Enable emac */
  1708. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1709. /* Enable emac for jumbo packets */
  1710. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1711. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1712. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1713. /* Strip CRC */
  1714. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1715. /* Disable the NIG in/out to the bmac */
  1716. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1717. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1718. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1719. /* Enable the NIG in/out to the emac */
  1720. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1721. val = 0;
  1722. if ((params->feature_config_flags &
  1723. FEATURE_CONFIG_PFC_ENABLED) ||
  1724. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1725. val = 1;
  1726. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1727. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1728. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1729. vars->mac_type = MAC_TYPE_EMAC;
  1730. return 0;
  1731. }
  1732. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1733. struct link_vars *vars)
  1734. {
  1735. u32 wb_data[2];
  1736. struct bnx2x *bp = params->bp;
  1737. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1738. NIG_REG_INGRESS_BMAC0_MEM;
  1739. u32 val = 0x14;
  1740. if ((!(params->feature_config_flags &
  1741. FEATURE_CONFIG_PFC_ENABLED)) &&
  1742. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1743. /* Enable BigMAC to react on received Pause packets */
  1744. val |= (1<<5);
  1745. wb_data[0] = val;
  1746. wb_data[1] = 0;
  1747. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1748. /* TX control */
  1749. val = 0xc0;
  1750. if (!(params->feature_config_flags &
  1751. FEATURE_CONFIG_PFC_ENABLED) &&
  1752. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1753. val |= 0x800000;
  1754. wb_data[0] = val;
  1755. wb_data[1] = 0;
  1756. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1757. }
  1758. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1759. struct link_vars *vars,
  1760. u8 is_lb)
  1761. {
  1762. /* Set rx control: Strip CRC and enable BigMAC to relay
  1763. * control packets to the system as well
  1764. */
  1765. u32 wb_data[2];
  1766. struct bnx2x *bp = params->bp;
  1767. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1768. NIG_REG_INGRESS_BMAC0_MEM;
  1769. u32 val = 0x14;
  1770. if ((!(params->feature_config_flags &
  1771. FEATURE_CONFIG_PFC_ENABLED)) &&
  1772. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1773. /* Enable BigMAC to react on received Pause packets */
  1774. val |= (1<<5);
  1775. wb_data[0] = val;
  1776. wb_data[1] = 0;
  1777. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1778. udelay(30);
  1779. /* Tx control */
  1780. val = 0xc0;
  1781. if (!(params->feature_config_flags &
  1782. FEATURE_CONFIG_PFC_ENABLED) &&
  1783. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1784. val |= 0x800000;
  1785. wb_data[0] = val;
  1786. wb_data[1] = 0;
  1787. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1788. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1789. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1790. /* Enable PFC RX & TX & STATS and set 8 COS */
  1791. wb_data[0] = 0x0;
  1792. wb_data[0] |= (1<<0); /* RX */
  1793. wb_data[0] |= (1<<1); /* TX */
  1794. wb_data[0] |= (1<<2); /* Force initial Xon */
  1795. wb_data[0] |= (1<<3); /* 8 cos */
  1796. wb_data[0] |= (1<<5); /* STATS */
  1797. wb_data[1] = 0;
  1798. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1799. wb_data, 2);
  1800. /* Clear the force Xon */
  1801. wb_data[0] &= ~(1<<2);
  1802. } else {
  1803. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1804. /* Disable PFC RX & TX & STATS and set 8 COS */
  1805. wb_data[0] = 0x8;
  1806. wb_data[1] = 0;
  1807. }
  1808. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1809. /* Set Time (based unit is 512 bit time) between automatic
  1810. * re-sending of PP packets amd enable automatic re-send of
  1811. * Per-Priroity Packet as long as pp_gen is asserted and
  1812. * pp_disable is low.
  1813. */
  1814. val = 0x8000;
  1815. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1816. val |= (1<<16); /* enable automatic re-send */
  1817. wb_data[0] = val;
  1818. wb_data[1] = 0;
  1819. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1820. wb_data, 2);
  1821. /* mac control */
  1822. val = 0x3; /* Enable RX and TX */
  1823. if (is_lb) {
  1824. val |= 0x4; /* Local loopback */
  1825. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1826. }
  1827. /* When PFC enabled, Pass pause frames towards the NIG. */
  1828. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1829. val |= ((1<<6)|(1<<5));
  1830. wb_data[0] = val;
  1831. wb_data[1] = 0;
  1832. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1833. }
  1834. /******************************************************************************
  1835. * Description:
  1836. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1837. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1838. ******************************************************************************/
  1839. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1840. u8 cos_entry,
  1841. u32 priority_mask, u8 port)
  1842. {
  1843. u32 nig_reg_rx_priority_mask_add = 0;
  1844. switch (cos_entry) {
  1845. case 0:
  1846. nig_reg_rx_priority_mask_add = (port) ?
  1847. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1848. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1849. break;
  1850. case 1:
  1851. nig_reg_rx_priority_mask_add = (port) ?
  1852. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1853. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1854. break;
  1855. case 2:
  1856. nig_reg_rx_priority_mask_add = (port) ?
  1857. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1858. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1859. break;
  1860. case 3:
  1861. if (port)
  1862. return -EINVAL;
  1863. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1864. break;
  1865. case 4:
  1866. if (port)
  1867. return -EINVAL;
  1868. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1869. break;
  1870. case 5:
  1871. if (port)
  1872. return -EINVAL;
  1873. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1874. break;
  1875. }
  1876. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1877. return 0;
  1878. }
  1879. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1880. {
  1881. struct bnx2x *bp = params->bp;
  1882. REG_WR(bp, params->shmem_base +
  1883. offsetof(struct shmem_region,
  1884. port_mb[params->port].link_status), link_status);
  1885. }
  1886. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1887. {
  1888. struct bnx2x *bp = params->bp;
  1889. if (SHMEM2_HAS(bp, link_attr_sync))
  1890. REG_WR(bp, params->shmem2_base +
  1891. offsetof(struct shmem2_region,
  1892. link_attr_sync[params->port]), link_attr);
  1893. }
  1894. static void bnx2x_update_pfc_nig(struct link_params *params,
  1895. struct link_vars *vars,
  1896. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1897. {
  1898. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1899. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1900. u32 pkt_priority_to_cos = 0;
  1901. struct bnx2x *bp = params->bp;
  1902. u8 port = params->port;
  1903. int set_pfc = params->feature_config_flags &
  1904. FEATURE_CONFIG_PFC_ENABLED;
  1905. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1906. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1907. * MAC control frames (that are not pause packets)
  1908. * will be forwarded to the XCM.
  1909. */
  1910. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1911. NIG_REG_LLH0_XCM_MASK);
  1912. /* NIG params will override non PFC params, since it's possible to
  1913. * do transition from PFC to SAFC
  1914. */
  1915. if (set_pfc) {
  1916. pause_enable = 0;
  1917. llfc_out_en = 0;
  1918. llfc_enable = 0;
  1919. if (CHIP_IS_E3(bp))
  1920. ppp_enable = 0;
  1921. else
  1922. ppp_enable = 1;
  1923. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1924. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1925. xcm_out_en = 0;
  1926. hwpfc_enable = 1;
  1927. } else {
  1928. if (nig_params) {
  1929. llfc_out_en = nig_params->llfc_out_en;
  1930. llfc_enable = nig_params->llfc_enable;
  1931. pause_enable = nig_params->pause_enable;
  1932. } else /* Default non PFC mode - PAUSE */
  1933. pause_enable = 1;
  1934. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1935. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1936. xcm_out_en = 1;
  1937. }
  1938. if (CHIP_IS_E3(bp))
  1939. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1940. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1941. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1942. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1943. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1944. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1945. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1946. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1947. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1948. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1949. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1950. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1951. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1952. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1953. /* Output enable for RX_XCM # IF */
  1954. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1955. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1956. /* HW PFC TX enable */
  1957. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1958. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1959. if (nig_params) {
  1960. u8 i = 0;
  1961. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1962. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1963. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1964. nig_params->rx_cos_priority_mask[i], port);
  1965. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1966. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1967. nig_params->llfc_high_priority_classes);
  1968. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1969. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1970. nig_params->llfc_low_priority_classes);
  1971. }
  1972. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1973. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1974. pkt_priority_to_cos);
  1975. }
  1976. int bnx2x_update_pfc(struct link_params *params,
  1977. struct link_vars *vars,
  1978. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1979. {
  1980. /* The PFC and pause are orthogonal to one another, meaning when
  1981. * PFC is enabled, the pause are disabled, and when PFC is
  1982. * disabled, pause are set according to the pause result.
  1983. */
  1984. u32 val;
  1985. struct bnx2x *bp = params->bp;
  1986. int bnx2x_status = 0;
  1987. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1988. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1989. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1990. else
  1991. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1992. bnx2x_update_mng(params, vars->link_status);
  1993. /* Update NIG params */
  1994. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1995. if (!vars->link_up)
  1996. return bnx2x_status;
  1997. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1998. if (CHIP_IS_E3(bp)) {
  1999. if (vars->mac_type == MAC_TYPE_XMAC)
  2000. bnx2x_update_pfc_xmac(params, vars, 0);
  2001. } else {
  2002. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2003. if ((val &
  2004. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2005. == 0) {
  2006. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2007. bnx2x_emac_enable(params, vars, 0);
  2008. return bnx2x_status;
  2009. }
  2010. if (CHIP_IS_E2(bp))
  2011. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2012. else
  2013. bnx2x_update_pfc_bmac1(params, vars);
  2014. val = 0;
  2015. if ((params->feature_config_flags &
  2016. FEATURE_CONFIG_PFC_ENABLED) ||
  2017. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2018. val = 1;
  2019. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2020. }
  2021. return bnx2x_status;
  2022. }
  2023. static int bnx2x_bmac1_enable(struct link_params *params,
  2024. struct link_vars *vars,
  2025. u8 is_lb)
  2026. {
  2027. struct bnx2x *bp = params->bp;
  2028. u8 port = params->port;
  2029. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2030. NIG_REG_INGRESS_BMAC0_MEM;
  2031. u32 wb_data[2];
  2032. u32 val;
  2033. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2034. /* XGXS control */
  2035. wb_data[0] = 0x3c;
  2036. wb_data[1] = 0;
  2037. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2038. wb_data, 2);
  2039. /* TX MAC SA */
  2040. wb_data[0] = ((params->mac_addr[2] << 24) |
  2041. (params->mac_addr[3] << 16) |
  2042. (params->mac_addr[4] << 8) |
  2043. params->mac_addr[5]);
  2044. wb_data[1] = ((params->mac_addr[0] << 8) |
  2045. params->mac_addr[1]);
  2046. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2047. /* MAC control */
  2048. val = 0x3;
  2049. if (is_lb) {
  2050. val |= 0x4;
  2051. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2052. }
  2053. wb_data[0] = val;
  2054. wb_data[1] = 0;
  2055. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2056. /* Set rx mtu */
  2057. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2058. wb_data[1] = 0;
  2059. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2060. bnx2x_update_pfc_bmac1(params, vars);
  2061. /* Set tx mtu */
  2062. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2063. wb_data[1] = 0;
  2064. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2065. /* Set cnt max size */
  2066. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2067. wb_data[1] = 0;
  2068. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2069. /* Configure SAFC */
  2070. wb_data[0] = 0x1000200;
  2071. wb_data[1] = 0;
  2072. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2073. wb_data, 2);
  2074. return 0;
  2075. }
  2076. static int bnx2x_bmac2_enable(struct link_params *params,
  2077. struct link_vars *vars,
  2078. u8 is_lb)
  2079. {
  2080. struct bnx2x *bp = params->bp;
  2081. u8 port = params->port;
  2082. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2083. NIG_REG_INGRESS_BMAC0_MEM;
  2084. u32 wb_data[2];
  2085. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2086. wb_data[0] = 0;
  2087. wb_data[1] = 0;
  2088. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2089. udelay(30);
  2090. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2091. wb_data[0] = 0x3c;
  2092. wb_data[1] = 0;
  2093. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2094. wb_data, 2);
  2095. udelay(30);
  2096. /* TX MAC SA */
  2097. wb_data[0] = ((params->mac_addr[2] << 24) |
  2098. (params->mac_addr[3] << 16) |
  2099. (params->mac_addr[4] << 8) |
  2100. params->mac_addr[5]);
  2101. wb_data[1] = ((params->mac_addr[0] << 8) |
  2102. params->mac_addr[1]);
  2103. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2104. wb_data, 2);
  2105. udelay(30);
  2106. /* Configure SAFC */
  2107. wb_data[0] = 0x1000200;
  2108. wb_data[1] = 0;
  2109. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2110. wb_data, 2);
  2111. udelay(30);
  2112. /* Set RX MTU */
  2113. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2114. wb_data[1] = 0;
  2115. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2116. udelay(30);
  2117. /* Set TX MTU */
  2118. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2119. wb_data[1] = 0;
  2120. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2121. udelay(30);
  2122. /* Set cnt max size */
  2123. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2124. wb_data[1] = 0;
  2125. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2126. udelay(30);
  2127. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2128. return 0;
  2129. }
  2130. static int bnx2x_bmac_enable(struct link_params *params,
  2131. struct link_vars *vars,
  2132. u8 is_lb, u8 reset_bmac)
  2133. {
  2134. int rc = 0;
  2135. u8 port = params->port;
  2136. struct bnx2x *bp = params->bp;
  2137. u32 val;
  2138. /* Reset and unreset the BigMac */
  2139. if (reset_bmac) {
  2140. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2141. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2142. usleep_range(1000, 2000);
  2143. }
  2144. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2145. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2146. /* Enable access for bmac registers */
  2147. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2148. /* Enable BMAC according to BMAC type*/
  2149. if (CHIP_IS_E2(bp))
  2150. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2151. else
  2152. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2153. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2154. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2155. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2156. val = 0;
  2157. if ((params->feature_config_flags &
  2158. FEATURE_CONFIG_PFC_ENABLED) ||
  2159. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2160. val = 1;
  2161. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2162. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2163. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2164. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2165. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2166. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2167. vars->mac_type = MAC_TYPE_BMAC;
  2168. return rc;
  2169. }
  2170. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2171. {
  2172. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2173. NIG_REG_INGRESS_BMAC0_MEM;
  2174. u32 wb_data[2];
  2175. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2176. if (CHIP_IS_E2(bp))
  2177. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2178. else
  2179. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2180. /* Only if the bmac is out of reset */
  2181. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2182. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2183. nig_bmac_enable) {
  2184. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2185. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2186. if (en)
  2187. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2188. else
  2189. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2190. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2191. usleep_range(1000, 2000);
  2192. }
  2193. }
  2194. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2195. u32 line_speed)
  2196. {
  2197. struct bnx2x *bp = params->bp;
  2198. u8 port = params->port;
  2199. u32 init_crd, crd;
  2200. u32 count = 1000;
  2201. /* Disable port */
  2202. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2203. /* Wait for init credit */
  2204. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2205. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2206. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2207. while ((init_crd != crd) && count) {
  2208. usleep_range(5000, 10000);
  2209. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2210. count--;
  2211. }
  2212. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2213. if (init_crd != crd) {
  2214. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2215. init_crd, crd);
  2216. return -EINVAL;
  2217. }
  2218. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2219. line_speed == SPEED_10 ||
  2220. line_speed == SPEED_100 ||
  2221. line_speed == SPEED_1000 ||
  2222. line_speed == SPEED_2500) {
  2223. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2224. /* Update threshold */
  2225. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2226. /* Update init credit */
  2227. init_crd = 778; /* (800-18-4) */
  2228. } else {
  2229. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2230. ETH_OVREHEAD)/16;
  2231. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2232. /* Update threshold */
  2233. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2234. /* Update init credit */
  2235. switch (line_speed) {
  2236. case SPEED_10000:
  2237. init_crd = thresh + 553 - 22;
  2238. break;
  2239. default:
  2240. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2241. line_speed);
  2242. return -EINVAL;
  2243. }
  2244. }
  2245. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2246. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2247. line_speed, init_crd);
  2248. /* Probe the credit changes */
  2249. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2250. usleep_range(5000, 10000);
  2251. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2252. /* Enable port */
  2253. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2254. return 0;
  2255. }
  2256. /**
  2257. * bnx2x_get_emac_base - retrive emac base address
  2258. *
  2259. * @bp: driver handle
  2260. * @mdc_mdio_access: access type
  2261. * @port: port id
  2262. *
  2263. * This function selects the MDC/MDIO access (through emac0 or
  2264. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2265. * phy has a default access mode, which could also be overridden
  2266. * by nvram configuration. This parameter, whether this is the
  2267. * default phy configuration, or the nvram overrun
  2268. * configuration, is passed here as mdc_mdio_access and selects
  2269. * the emac_base for the CL45 read/writes operations
  2270. */
  2271. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2272. u32 mdc_mdio_access, u8 port)
  2273. {
  2274. u32 emac_base = 0;
  2275. switch (mdc_mdio_access) {
  2276. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2277. break;
  2278. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2279. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2280. emac_base = GRCBASE_EMAC1;
  2281. else
  2282. emac_base = GRCBASE_EMAC0;
  2283. break;
  2284. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2285. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2286. emac_base = GRCBASE_EMAC0;
  2287. else
  2288. emac_base = GRCBASE_EMAC1;
  2289. break;
  2290. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2291. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2292. break;
  2293. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2294. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2295. break;
  2296. default:
  2297. break;
  2298. }
  2299. return emac_base;
  2300. }
  2301. /******************************************************************/
  2302. /* CL22 access functions */
  2303. /******************************************************************/
  2304. static int bnx2x_cl22_write(struct bnx2x *bp,
  2305. struct bnx2x_phy *phy,
  2306. u16 reg, u16 val)
  2307. {
  2308. u32 tmp, mode;
  2309. u8 i;
  2310. int rc = 0;
  2311. /* Switch to CL22 */
  2312. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2313. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2314. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2315. /* Address */
  2316. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2317. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2318. EMAC_MDIO_COMM_START_BUSY);
  2319. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2320. for (i = 0; i < 50; i++) {
  2321. udelay(10);
  2322. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2323. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2324. udelay(5);
  2325. break;
  2326. }
  2327. }
  2328. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2329. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2330. rc = -EFAULT;
  2331. }
  2332. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2333. return rc;
  2334. }
  2335. static int bnx2x_cl22_read(struct bnx2x *bp,
  2336. struct bnx2x_phy *phy,
  2337. u16 reg, u16 *ret_val)
  2338. {
  2339. u32 val, mode;
  2340. u16 i;
  2341. int rc = 0;
  2342. /* Switch to CL22 */
  2343. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2344. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2345. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2346. /* Address */
  2347. val = ((phy->addr << 21) | (reg << 16) |
  2348. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2349. EMAC_MDIO_COMM_START_BUSY);
  2350. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2351. for (i = 0; i < 50; i++) {
  2352. udelay(10);
  2353. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2354. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2355. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2356. udelay(5);
  2357. break;
  2358. }
  2359. }
  2360. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2361. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2362. *ret_val = 0;
  2363. rc = -EFAULT;
  2364. }
  2365. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2366. return rc;
  2367. }
  2368. /******************************************************************/
  2369. /* CL45 access functions */
  2370. /******************************************************************/
  2371. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2372. u8 devad, u16 reg, u16 *ret_val)
  2373. {
  2374. u32 val;
  2375. u16 i;
  2376. int rc = 0;
  2377. u32 chip_id;
  2378. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2379. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2380. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2381. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2382. }
  2383. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2384. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2385. EMAC_MDIO_STATUS_10MB);
  2386. /* Address */
  2387. val = ((phy->addr << 21) | (devad << 16) | reg |
  2388. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2389. EMAC_MDIO_COMM_START_BUSY);
  2390. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2391. for (i = 0; i < 50; i++) {
  2392. udelay(10);
  2393. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2394. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2395. udelay(5);
  2396. break;
  2397. }
  2398. }
  2399. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2400. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2401. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2402. *ret_val = 0;
  2403. rc = -EFAULT;
  2404. } else {
  2405. /* Data */
  2406. val = ((phy->addr << 21) | (devad << 16) |
  2407. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2408. EMAC_MDIO_COMM_START_BUSY);
  2409. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2410. for (i = 0; i < 50; i++) {
  2411. udelay(10);
  2412. val = REG_RD(bp, phy->mdio_ctrl +
  2413. EMAC_REG_EMAC_MDIO_COMM);
  2414. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2415. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2416. break;
  2417. }
  2418. }
  2419. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2420. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2421. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2422. *ret_val = 0;
  2423. rc = -EFAULT;
  2424. }
  2425. }
  2426. /* Work around for E3 A0 */
  2427. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2428. phy->flags ^= FLAGS_DUMMY_READ;
  2429. if (phy->flags & FLAGS_DUMMY_READ) {
  2430. u16 temp_val;
  2431. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2432. }
  2433. }
  2434. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2435. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2436. EMAC_MDIO_STATUS_10MB);
  2437. return rc;
  2438. }
  2439. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2440. u8 devad, u16 reg, u16 val)
  2441. {
  2442. u32 tmp;
  2443. u8 i;
  2444. int rc = 0;
  2445. u32 chip_id;
  2446. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2447. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2448. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2449. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2450. }
  2451. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2452. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2453. EMAC_MDIO_STATUS_10MB);
  2454. /* Address */
  2455. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2456. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2457. EMAC_MDIO_COMM_START_BUSY);
  2458. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2459. for (i = 0; i < 50; i++) {
  2460. udelay(10);
  2461. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2462. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2463. udelay(5);
  2464. break;
  2465. }
  2466. }
  2467. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2468. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2469. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2470. rc = -EFAULT;
  2471. } else {
  2472. /* Data */
  2473. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2474. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2475. EMAC_MDIO_COMM_START_BUSY);
  2476. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2477. for (i = 0; i < 50; i++) {
  2478. udelay(10);
  2479. tmp = REG_RD(bp, phy->mdio_ctrl +
  2480. EMAC_REG_EMAC_MDIO_COMM);
  2481. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2482. udelay(5);
  2483. break;
  2484. }
  2485. }
  2486. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2487. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2488. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2489. rc = -EFAULT;
  2490. }
  2491. }
  2492. /* Work around for E3 A0 */
  2493. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2494. phy->flags ^= FLAGS_DUMMY_READ;
  2495. if (phy->flags & FLAGS_DUMMY_READ) {
  2496. u16 temp_val;
  2497. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2498. }
  2499. }
  2500. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2501. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2502. EMAC_MDIO_STATUS_10MB);
  2503. return rc;
  2504. }
  2505. /******************************************************************/
  2506. /* EEE section */
  2507. /******************************************************************/
  2508. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2509. {
  2510. struct bnx2x *bp = params->bp;
  2511. if (REG_RD(bp, params->shmem2_base) <=
  2512. offsetof(struct shmem2_region, eee_status[params->port]))
  2513. return 0;
  2514. return 1;
  2515. }
  2516. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2517. {
  2518. switch (nvram_mode) {
  2519. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2520. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2521. break;
  2522. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2523. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2524. break;
  2525. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2526. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2527. break;
  2528. default:
  2529. *idle_timer = 0;
  2530. break;
  2531. }
  2532. return 0;
  2533. }
  2534. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2535. {
  2536. switch (idle_timer) {
  2537. case EEE_MODE_NVRAM_BALANCED_TIME:
  2538. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2539. break;
  2540. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2541. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2542. break;
  2543. case EEE_MODE_NVRAM_LATENCY_TIME:
  2544. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2545. break;
  2546. default:
  2547. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2548. break;
  2549. }
  2550. return 0;
  2551. }
  2552. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2553. {
  2554. u32 eee_mode, eee_idle;
  2555. struct bnx2x *bp = params->bp;
  2556. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2557. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2558. /* time value in eee_mode --> used directly*/
  2559. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2560. } else {
  2561. /* hsi value in eee_mode --> time */
  2562. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2563. EEE_MODE_NVRAM_MASK,
  2564. &eee_idle))
  2565. return 0;
  2566. }
  2567. } else {
  2568. /* hsi values in nvram --> time*/
  2569. eee_mode = ((REG_RD(bp, params->shmem_base +
  2570. offsetof(struct shmem_region, dev_info.
  2571. port_feature_config[params->port].
  2572. eee_power_mode)) &
  2573. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2574. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2575. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2576. return 0;
  2577. }
  2578. return eee_idle;
  2579. }
  2580. static int bnx2x_eee_set_timers(struct link_params *params,
  2581. struct link_vars *vars)
  2582. {
  2583. u32 eee_idle = 0, eee_mode;
  2584. struct bnx2x *bp = params->bp;
  2585. eee_idle = bnx2x_eee_calc_timer(params);
  2586. if (eee_idle) {
  2587. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2588. eee_idle);
  2589. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2590. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2591. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2592. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2593. return -EINVAL;
  2594. }
  2595. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2596. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2597. /* eee_idle in 1u --> eee_status in 16u */
  2598. eee_idle >>= 4;
  2599. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2600. SHMEM_EEE_TIME_OUTPUT_BIT;
  2601. } else {
  2602. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2603. return -EINVAL;
  2604. vars->eee_status |= eee_mode;
  2605. }
  2606. return 0;
  2607. }
  2608. static int bnx2x_eee_initial_config(struct link_params *params,
  2609. struct link_vars *vars, u8 mode)
  2610. {
  2611. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2612. /* Propogate params' bits --> vars (for migration exposure) */
  2613. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2614. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2615. else
  2616. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2617. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2618. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2619. else
  2620. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2621. return bnx2x_eee_set_timers(params, vars);
  2622. }
  2623. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2624. struct link_params *params,
  2625. struct link_vars *vars)
  2626. {
  2627. struct bnx2x *bp = params->bp;
  2628. /* Make Certain LPI is disabled */
  2629. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2630. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2631. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2632. return 0;
  2633. }
  2634. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2635. struct link_params *params,
  2636. struct link_vars *vars, u8 modes)
  2637. {
  2638. struct bnx2x *bp = params->bp;
  2639. u16 val = 0;
  2640. /* Mask events preventing LPI generation */
  2641. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2642. if (modes & SHMEM_EEE_10G_ADV) {
  2643. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2644. val |= 0x8;
  2645. }
  2646. if (modes & SHMEM_EEE_1G_ADV) {
  2647. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2648. val |= 0x4;
  2649. }
  2650. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2651. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2652. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2653. return 0;
  2654. }
  2655. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2656. {
  2657. struct bnx2x *bp = params->bp;
  2658. if (bnx2x_eee_has_cap(params))
  2659. REG_WR(bp, params->shmem2_base +
  2660. offsetof(struct shmem2_region,
  2661. eee_status[params->port]), eee_status);
  2662. }
  2663. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2664. struct link_params *params,
  2665. struct link_vars *vars)
  2666. {
  2667. struct bnx2x *bp = params->bp;
  2668. u16 adv = 0, lp = 0;
  2669. u32 lp_adv = 0;
  2670. u8 neg = 0;
  2671. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2672. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2673. if (lp & 0x2) {
  2674. lp_adv |= SHMEM_EEE_100M_ADV;
  2675. if (adv & 0x2) {
  2676. if (vars->line_speed == SPEED_100)
  2677. neg = 1;
  2678. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2679. }
  2680. }
  2681. if (lp & 0x14) {
  2682. lp_adv |= SHMEM_EEE_1G_ADV;
  2683. if (adv & 0x14) {
  2684. if (vars->line_speed == SPEED_1000)
  2685. neg = 1;
  2686. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2687. }
  2688. }
  2689. if (lp & 0x68) {
  2690. lp_adv |= SHMEM_EEE_10G_ADV;
  2691. if (adv & 0x68) {
  2692. if (vars->line_speed == SPEED_10000)
  2693. neg = 1;
  2694. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2695. }
  2696. }
  2697. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2698. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2699. if (neg) {
  2700. DP(NETIF_MSG_LINK, "EEE is active\n");
  2701. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2702. }
  2703. }
  2704. /******************************************************************/
  2705. /* BSC access functions from E3 */
  2706. /******************************************************************/
  2707. static void bnx2x_bsc_module_sel(struct link_params *params)
  2708. {
  2709. int idx;
  2710. u32 board_cfg, sfp_ctrl;
  2711. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2712. struct bnx2x *bp = params->bp;
  2713. u8 port = params->port;
  2714. /* Read I2C output PINs */
  2715. board_cfg = REG_RD(bp, params->shmem_base +
  2716. offsetof(struct shmem_region,
  2717. dev_info.shared_hw_config.board));
  2718. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2719. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2720. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2721. /* Read I2C output value */
  2722. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2723. offsetof(struct shmem_region,
  2724. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2725. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2726. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2727. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2728. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2729. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2730. }
  2731. static int bnx2x_bsc_read(struct link_params *params,
  2732. struct bnx2x_phy *phy,
  2733. u8 sl_devid,
  2734. u16 sl_addr,
  2735. u8 lc_addr,
  2736. u8 xfer_cnt,
  2737. u32 *data_array)
  2738. {
  2739. u32 val, i;
  2740. int rc = 0;
  2741. struct bnx2x *bp = params->bp;
  2742. if (xfer_cnt > 16) {
  2743. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2744. xfer_cnt);
  2745. return -EINVAL;
  2746. }
  2747. bnx2x_bsc_module_sel(params);
  2748. xfer_cnt = 16 - lc_addr;
  2749. /* Enable the engine */
  2750. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2751. val |= MCPR_IMC_COMMAND_ENABLE;
  2752. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2753. /* Program slave device ID */
  2754. val = (sl_devid << 16) | sl_addr;
  2755. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2756. /* Start xfer with 0 byte to update the address pointer ???*/
  2757. val = (MCPR_IMC_COMMAND_ENABLE) |
  2758. (MCPR_IMC_COMMAND_WRITE_OP <<
  2759. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2760. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2761. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2762. /* Poll for completion */
  2763. i = 0;
  2764. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2765. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2766. udelay(10);
  2767. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2768. if (i++ > 1000) {
  2769. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2770. i);
  2771. rc = -EFAULT;
  2772. break;
  2773. }
  2774. }
  2775. if (rc == -EFAULT)
  2776. return rc;
  2777. /* Start xfer with read op */
  2778. val = (MCPR_IMC_COMMAND_ENABLE) |
  2779. (MCPR_IMC_COMMAND_READ_OP <<
  2780. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2781. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2782. (xfer_cnt);
  2783. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2784. /* Poll for completion */
  2785. i = 0;
  2786. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2787. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2788. udelay(10);
  2789. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2790. if (i++ > 1000) {
  2791. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2792. rc = -EFAULT;
  2793. break;
  2794. }
  2795. }
  2796. if (rc == -EFAULT)
  2797. return rc;
  2798. for (i = (lc_addr >> 2); i < 4; i++) {
  2799. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2800. #ifdef __BIG_ENDIAN
  2801. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2802. ((data_array[i] & 0x0000ff00) << 8) |
  2803. ((data_array[i] & 0x00ff0000) >> 8) |
  2804. ((data_array[i] & 0xff000000) >> 24);
  2805. #endif
  2806. }
  2807. return rc;
  2808. }
  2809. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2810. u8 devad, u16 reg, u16 or_val)
  2811. {
  2812. u16 val;
  2813. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2814. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2815. }
  2816. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2817. struct bnx2x_phy *phy,
  2818. u8 devad, u16 reg, u16 and_val)
  2819. {
  2820. u16 val;
  2821. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2822. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2823. }
  2824. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2825. u8 devad, u16 reg, u16 *ret_val)
  2826. {
  2827. u8 phy_index;
  2828. /* Probe for the phy according to the given phy_addr, and execute
  2829. * the read request on it
  2830. */
  2831. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2832. if (params->phy[phy_index].addr == phy_addr) {
  2833. return bnx2x_cl45_read(params->bp,
  2834. &params->phy[phy_index], devad,
  2835. reg, ret_val);
  2836. }
  2837. }
  2838. return -EINVAL;
  2839. }
  2840. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2841. u8 devad, u16 reg, u16 val)
  2842. {
  2843. u8 phy_index;
  2844. /* Probe for the phy according to the given phy_addr, and execute
  2845. * the write request on it
  2846. */
  2847. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2848. if (params->phy[phy_index].addr == phy_addr) {
  2849. return bnx2x_cl45_write(params->bp,
  2850. &params->phy[phy_index], devad,
  2851. reg, val);
  2852. }
  2853. }
  2854. return -EINVAL;
  2855. }
  2856. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2857. struct link_params *params)
  2858. {
  2859. u8 lane = 0;
  2860. struct bnx2x *bp = params->bp;
  2861. u32 path_swap, path_swap_ovr;
  2862. u8 path, port;
  2863. path = BP_PATH(bp);
  2864. port = params->port;
  2865. if (bnx2x_is_4_port_mode(bp)) {
  2866. u32 port_swap, port_swap_ovr;
  2867. /* Figure out path swap value */
  2868. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2869. if (path_swap_ovr & 0x1)
  2870. path_swap = (path_swap_ovr & 0x2);
  2871. else
  2872. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2873. if (path_swap)
  2874. path = path ^ 1;
  2875. /* Figure out port swap value */
  2876. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2877. if (port_swap_ovr & 0x1)
  2878. port_swap = (port_swap_ovr & 0x2);
  2879. else
  2880. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2881. if (port_swap)
  2882. port = port ^ 1;
  2883. lane = (port<<1) + path;
  2884. } else { /* Two port mode - no port swap */
  2885. /* Figure out path swap value */
  2886. path_swap_ovr =
  2887. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2888. if (path_swap_ovr & 0x1) {
  2889. path_swap = (path_swap_ovr & 0x2);
  2890. } else {
  2891. path_swap =
  2892. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2893. }
  2894. if (path_swap)
  2895. path = path ^ 1;
  2896. lane = path << 1 ;
  2897. }
  2898. return lane;
  2899. }
  2900. static void bnx2x_set_aer_mmd(struct link_params *params,
  2901. struct bnx2x_phy *phy)
  2902. {
  2903. u32 ser_lane;
  2904. u16 offset, aer_val;
  2905. struct bnx2x *bp = params->bp;
  2906. ser_lane = ((params->lane_config &
  2907. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2908. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2909. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2910. (phy->addr + ser_lane) : 0;
  2911. if (USES_WARPCORE(bp)) {
  2912. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2913. /* In Dual-lane mode, two lanes are joined together,
  2914. * so in order to configure them, the AER broadcast method is
  2915. * used here.
  2916. * 0x200 is the broadcast address for lanes 0,1
  2917. * 0x201 is the broadcast address for lanes 2,3
  2918. */
  2919. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2920. aer_val = (aer_val >> 1) | 0x200;
  2921. } else if (CHIP_IS_E2(bp))
  2922. aer_val = 0x3800 + offset - 1;
  2923. else
  2924. aer_val = 0x3800 + offset;
  2925. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2926. MDIO_AER_BLOCK_AER_REG, aer_val);
  2927. }
  2928. /******************************************************************/
  2929. /* Internal phy section */
  2930. /******************************************************************/
  2931. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2932. {
  2933. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2934. /* Set Clause 22 */
  2935. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2936. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2937. udelay(500);
  2938. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2939. udelay(500);
  2940. /* Set Clause 45 */
  2941. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2942. }
  2943. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2944. {
  2945. u32 val;
  2946. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2947. val = SERDES_RESET_BITS << (port*16);
  2948. /* Reset and unreset the SerDes/XGXS */
  2949. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2950. udelay(500);
  2951. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2952. bnx2x_set_serdes_access(bp, port);
  2953. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2954. DEFAULT_PHY_DEV_ADDR);
  2955. }
  2956. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2957. struct link_params *params,
  2958. u32 action)
  2959. {
  2960. struct bnx2x *bp = params->bp;
  2961. switch (action) {
  2962. case PHY_INIT:
  2963. /* Set correct devad */
  2964. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2965. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2966. phy->def_md_devad);
  2967. break;
  2968. }
  2969. }
  2970. static void bnx2x_xgxs_deassert(struct link_params *params)
  2971. {
  2972. struct bnx2x *bp = params->bp;
  2973. u8 port;
  2974. u32 val;
  2975. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2976. port = params->port;
  2977. val = XGXS_RESET_BITS << (port*16);
  2978. /* Reset and unreset the SerDes/XGXS */
  2979. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2980. udelay(500);
  2981. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2982. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2983. PHY_INIT);
  2984. }
  2985. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2986. struct link_params *params, u16 *ieee_fc)
  2987. {
  2988. struct bnx2x *bp = params->bp;
  2989. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2990. /* Resolve pause mode and advertisement Please refer to Table
  2991. * 28B-3 of the 802.3ab-1999 spec
  2992. */
  2993. switch (phy->req_flow_ctrl) {
  2994. case BNX2X_FLOW_CTRL_AUTO:
  2995. switch (params->req_fc_auto_adv) {
  2996. case BNX2X_FLOW_CTRL_BOTH:
  2997. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2998. break;
  2999. case BNX2X_FLOW_CTRL_RX:
  3000. case BNX2X_FLOW_CTRL_TX:
  3001. *ieee_fc |=
  3002. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3003. break;
  3004. default:
  3005. break;
  3006. }
  3007. break;
  3008. case BNX2X_FLOW_CTRL_TX:
  3009. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3010. break;
  3011. case BNX2X_FLOW_CTRL_RX:
  3012. case BNX2X_FLOW_CTRL_BOTH:
  3013. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3014. break;
  3015. case BNX2X_FLOW_CTRL_NONE:
  3016. default:
  3017. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3018. break;
  3019. }
  3020. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3021. }
  3022. static void set_phy_vars(struct link_params *params,
  3023. struct link_vars *vars)
  3024. {
  3025. struct bnx2x *bp = params->bp;
  3026. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3027. u8 phy_config_swapped = params->multi_phy_config &
  3028. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3029. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3030. phy_index++) {
  3031. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3032. actual_phy_idx = phy_index;
  3033. if (phy_config_swapped) {
  3034. if (phy_index == EXT_PHY1)
  3035. actual_phy_idx = EXT_PHY2;
  3036. else if (phy_index == EXT_PHY2)
  3037. actual_phy_idx = EXT_PHY1;
  3038. }
  3039. params->phy[actual_phy_idx].req_flow_ctrl =
  3040. params->req_flow_ctrl[link_cfg_idx];
  3041. params->phy[actual_phy_idx].req_line_speed =
  3042. params->req_line_speed[link_cfg_idx];
  3043. params->phy[actual_phy_idx].speed_cap_mask =
  3044. params->speed_cap_mask[link_cfg_idx];
  3045. params->phy[actual_phy_idx].req_duplex =
  3046. params->req_duplex[link_cfg_idx];
  3047. if (params->req_line_speed[link_cfg_idx] ==
  3048. SPEED_AUTO_NEG)
  3049. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3050. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3051. " speed_cap_mask %x\n",
  3052. params->phy[actual_phy_idx].req_flow_ctrl,
  3053. params->phy[actual_phy_idx].req_line_speed,
  3054. params->phy[actual_phy_idx].speed_cap_mask);
  3055. }
  3056. }
  3057. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3058. struct bnx2x_phy *phy,
  3059. struct link_vars *vars)
  3060. {
  3061. u16 val;
  3062. struct bnx2x *bp = params->bp;
  3063. /* Read modify write pause advertizing */
  3064. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3065. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3066. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3067. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3068. if ((vars->ieee_fc &
  3069. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3070. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3071. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3072. }
  3073. if ((vars->ieee_fc &
  3074. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3075. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3076. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3077. }
  3078. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3079. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3080. }
  3081. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3082. { /* LD LP */
  3083. switch (pause_result) { /* ASYM P ASYM P */
  3084. case 0xb: /* 1 0 1 1 */
  3085. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3086. break;
  3087. case 0xe: /* 1 1 1 0 */
  3088. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3089. break;
  3090. case 0x5: /* 0 1 0 1 */
  3091. case 0x7: /* 0 1 1 1 */
  3092. case 0xd: /* 1 1 0 1 */
  3093. case 0xf: /* 1 1 1 1 */
  3094. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3095. break;
  3096. default:
  3097. break;
  3098. }
  3099. if (pause_result & (1<<0))
  3100. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3101. if (pause_result & (1<<1))
  3102. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3103. }
  3104. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3105. struct link_params *params,
  3106. struct link_vars *vars)
  3107. {
  3108. u16 ld_pause; /* local */
  3109. u16 lp_pause; /* link partner */
  3110. u16 pause_result;
  3111. struct bnx2x *bp = params->bp;
  3112. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3113. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3114. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3115. } else if (CHIP_IS_E3(bp) &&
  3116. SINGLE_MEDIA_DIRECT(params)) {
  3117. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3118. u16 gp_status, gp_mask;
  3119. bnx2x_cl45_read(bp, phy,
  3120. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3121. &gp_status);
  3122. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3123. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3124. lane;
  3125. if ((gp_status & gp_mask) == gp_mask) {
  3126. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3127. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3128. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3129. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3130. } else {
  3131. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3132. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3133. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3134. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3135. ld_pause = ((ld_pause &
  3136. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3137. << 3);
  3138. lp_pause = ((lp_pause &
  3139. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3140. << 3);
  3141. }
  3142. } else {
  3143. bnx2x_cl45_read(bp, phy,
  3144. MDIO_AN_DEVAD,
  3145. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3146. bnx2x_cl45_read(bp, phy,
  3147. MDIO_AN_DEVAD,
  3148. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3149. }
  3150. pause_result = (ld_pause &
  3151. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3152. pause_result |= (lp_pause &
  3153. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3154. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3155. bnx2x_pause_resolve(vars, pause_result);
  3156. }
  3157. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3158. struct link_params *params,
  3159. struct link_vars *vars)
  3160. {
  3161. u8 ret = 0;
  3162. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3163. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3164. /* Update the advertised flow-controled of LD/LP in AN */
  3165. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3166. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3167. /* But set the flow-control result as the requested one */
  3168. vars->flow_ctrl = phy->req_flow_ctrl;
  3169. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3170. vars->flow_ctrl = params->req_fc_auto_adv;
  3171. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3172. ret = 1;
  3173. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3174. }
  3175. return ret;
  3176. }
  3177. /******************************************************************/
  3178. /* Warpcore section */
  3179. /******************************************************************/
  3180. /* The init_internal_warpcore should mirror the xgxs,
  3181. * i.e. reset the lane (if needed), set aer for the
  3182. * init configuration, and set/clear SGMII flag. Internal
  3183. * phy init is done purely in phy_init stage.
  3184. */
  3185. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3186. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3187. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3188. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3189. #define WC_TX_FIR(post, main, pre) \
  3190. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3191. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3192. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3193. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3194. struct link_params *params,
  3195. struct link_vars *vars)
  3196. {
  3197. struct bnx2x *bp = params->bp;
  3198. u16 i;
  3199. static struct bnx2x_reg_set reg_set[] = {
  3200. /* Step 1 - Program the TX/RX alignment markers */
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3205. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3206. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3207. /* Step 2 - Configure the NP registers */
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3214. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3216. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3217. };
  3218. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3219. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3220. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3221. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3222. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3223. reg_set[i].val);
  3224. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3225. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3226. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3227. }
  3228. static void bnx2x_disable_kr2(struct link_params *params,
  3229. struct link_vars *vars,
  3230. struct bnx2x_phy *phy)
  3231. {
  3232. struct bnx2x *bp = params->bp;
  3233. int i;
  3234. static struct bnx2x_reg_set reg_set[] = {
  3235. /* Step 1 - Program the TX/RX alignment markers */
  3236. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3237. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3238. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3239. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3240. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3241. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3242. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3243. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3244. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3245. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3246. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3247. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3248. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3249. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3250. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3251. };
  3252. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3253. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3254. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3255. reg_set[i].val);
  3256. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3257. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3258. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3259. }
  3260. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3261. struct link_params *params)
  3262. {
  3263. struct bnx2x *bp = params->bp;
  3264. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3265. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3266. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3267. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3268. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3269. }
  3270. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3271. struct link_params *params)
  3272. {
  3273. /* Restart autoneg on the leading lane only */
  3274. struct bnx2x *bp = params->bp;
  3275. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3276. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3277. MDIO_AER_BLOCK_AER_REG, lane);
  3278. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3279. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3280. /* Restore AER */
  3281. bnx2x_set_aer_mmd(params, phy);
  3282. }
  3283. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3284. struct link_params *params,
  3285. struct link_vars *vars) {
  3286. u16 lane, i, cl72_ctrl, an_adv = 0;
  3287. struct bnx2x *bp = params->bp;
  3288. static struct bnx2x_reg_set reg_set[] = {
  3289. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3290. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3291. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3292. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3293. /* Disable Autoneg: re-enable it after adv is done. */
  3294. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3295. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3296. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3297. };
  3298. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3299. /* Set to default registers that may be overriden by 10G force */
  3300. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3301. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3302. reg_set[i].val);
  3303. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3305. cl72_ctrl &= 0x08ff;
  3306. cl72_ctrl |= 0x3800;
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3309. /* Check adding advertisement for 1G KX */
  3310. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3311. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3312. (vars->line_speed == SPEED_1000)) {
  3313. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3314. an_adv |= (1<<5);
  3315. /* Enable CL37 1G Parallel Detect */
  3316. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3317. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3318. }
  3319. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3320. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3321. (vars->line_speed == SPEED_10000)) {
  3322. /* Check adding advertisement for 10G KR */
  3323. an_adv |= (1<<7);
  3324. /* Enable 10G Parallel Detect */
  3325. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3326. MDIO_AER_BLOCK_AER_REG, 0);
  3327. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3328. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3329. bnx2x_set_aer_mmd(params, phy);
  3330. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3331. }
  3332. /* Set Transmit PMD settings */
  3333. lane = bnx2x_get_warpcore_lane(phy, params);
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3336. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3337. /* Configure the next lane if dual mode */
  3338. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3341. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3342. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3343. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3344. 0x03f0);
  3345. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3347. 0x03f0);
  3348. /* Advertised speeds */
  3349. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3350. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3351. /* Advertised and set FEC (Forward Error Correction) */
  3352. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3353. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3354. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3355. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3356. /* Enable CL37 BAM */
  3357. if (REG_RD(bp, params->shmem_base +
  3358. offsetof(struct shmem_region, dev_info.
  3359. port_hw_config[params->port].default_cfg)) &
  3360. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3361. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3363. 1);
  3364. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3365. }
  3366. /* Advertise pause */
  3367. bnx2x_ext_phy_set_pause(params, phy, vars);
  3368. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3369. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3371. /* Over 1G - AN local device user page 1 */
  3372. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3373. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3374. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3375. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3376. (phy->req_line_speed == SPEED_20000)) {
  3377. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3378. MDIO_AER_BLOCK_AER_REG, lane);
  3379. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3381. (1<<11));
  3382. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3384. bnx2x_set_aer_mmd(params, phy);
  3385. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3386. } else {
  3387. bnx2x_disable_kr2(params, vars, phy);
  3388. }
  3389. /* Enable Autoneg: only on the main lane */
  3390. bnx2x_warpcore_restart_AN_KR(phy, params);
  3391. }
  3392. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3393. struct link_params *params,
  3394. struct link_vars *vars)
  3395. {
  3396. struct bnx2x *bp = params->bp;
  3397. u16 val16, i, lane;
  3398. static struct bnx2x_reg_set reg_set[] = {
  3399. /* Disable Autoneg */
  3400. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3401. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3402. 0x3f00},
  3403. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3404. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3405. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3406. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3407. /* Leave cl72 training enable, needed for KR */
  3408. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3409. };
  3410. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3411. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3412. reg_set[i].val);
  3413. lane = bnx2x_get_warpcore_lane(phy, params);
  3414. /* Global registers */
  3415. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3416. MDIO_AER_BLOCK_AER_REG, 0);
  3417. /* Disable CL36 PCS Tx */
  3418. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3420. val16 &= ~(0x0011 << lane);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3423. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3424. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3425. val16 |= (0x0303 << (lane << 1));
  3426. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3428. /* Restore AER */
  3429. bnx2x_set_aer_mmd(params, phy);
  3430. /* Set speed via PMA/PMD register */
  3431. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3432. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3433. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3434. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3435. /* Enable encoded forced speed */
  3436. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3438. /* Turn TX scramble payload only the 64/66 scrambler */
  3439. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3440. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3441. /* Turn RX scramble payload only the 64/66 scrambler */
  3442. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3444. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3445. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3447. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3448. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3449. }
  3450. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3451. struct link_params *params,
  3452. u8 is_xfi)
  3453. {
  3454. struct bnx2x *bp = params->bp;
  3455. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3456. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3457. /* Hold rxSeqStart */
  3458. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3460. /* Hold tx_fifo_reset */
  3461. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3462. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3463. /* Disable CL73 AN */
  3464. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3465. /* Disable 100FX Enable and Auto-Detect */
  3466. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3468. /* Disable 100FX Idle detect */
  3469. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3471. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3472. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3474. /* Turn off auto-detect & fiber mode */
  3475. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3476. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3477. 0xFFEE);
  3478. /* Set filter_force_link, disable_false_link and parallel_detect */
  3479. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3480. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3481. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3482. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3483. ((val | 0x0006) & 0xFFFE));
  3484. /* Set XFI / SFI */
  3485. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3487. misc1_val &= ~(0x1f);
  3488. if (is_xfi) {
  3489. misc1_val |= 0x5;
  3490. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3491. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3492. } else {
  3493. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3494. offsetof(struct shmem_region, dev_info.
  3495. port_hw_config[params->port].
  3496. sfi_tap_values));
  3497. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3498. tx_drv_brdct = (cfg_tap_val &
  3499. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3500. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3501. misc1_val |= 0x9;
  3502. /* TAP values are controlled by nvram, if value there isn't 0 */
  3503. if (tx_equal)
  3504. tap_val = (u16)tx_equal;
  3505. else
  3506. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3507. if (tx_drv_brdct)
  3508. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3509. 0x06);
  3510. else
  3511. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3512. }
  3513. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3514. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3515. /* Set Transmit PMD settings */
  3516. lane = bnx2x_get_warpcore_lane(phy, params);
  3517. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3518. MDIO_WC_REG_TX_FIR_TAP,
  3519. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3520. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3522. tx_driver_val);
  3523. /* Enable fiber mode, enable and invert sig_det */
  3524. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3526. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3527. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3529. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3530. /* 10G XFI Full Duplex */
  3531. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3533. /* Release tx_fifo_reset */
  3534. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3536. 0xFFFE);
  3537. /* Release rxSeqStart */
  3538. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3540. }
  3541. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3542. struct link_params *params)
  3543. {
  3544. u16 val;
  3545. struct bnx2x *bp = params->bp;
  3546. /* Set global registers, so set AER lane to 0 */
  3547. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3548. MDIO_AER_BLOCK_AER_REG, 0);
  3549. /* Disable sequencer */
  3550. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3552. bnx2x_set_aer_mmd(params, phy);
  3553. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3554. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3555. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3556. MDIO_AN_REG_CTRL, 0);
  3557. /* Turn off CL73 */
  3558. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3560. val &= ~(1<<5);
  3561. val |= (1<<6);
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3564. /* Set 20G KR2 force speed */
  3565. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3567. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3569. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3571. val &= ~(3<<14);
  3572. val |= (1<<15);
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3577. /* Enable sequencer (over lane 0) */
  3578. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3579. MDIO_AER_BLOCK_AER_REG, 0);
  3580. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3581. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3582. bnx2x_set_aer_mmd(params, phy);
  3583. }
  3584. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3585. struct bnx2x_phy *phy,
  3586. u16 lane)
  3587. {
  3588. /* Rx0 anaRxControl1G */
  3589. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3591. /* Rx2 anaRxControl1G */
  3592. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3593. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3594. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3595. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3596. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3597. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3598. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3600. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3601. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3602. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3603. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3604. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3605. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3606. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3608. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3610. /* Serdes Digital Misc1 */
  3611. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3613. /* Serdes Digital4 Misc3 */
  3614. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3615. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3616. /* Set Transmit PMD settings */
  3617. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3618. MDIO_WC_REG_TX_FIR_TAP,
  3619. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3620. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3621. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3622. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3623. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3624. }
  3625. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3626. struct link_params *params,
  3627. u8 fiber_mode,
  3628. u8 always_autoneg)
  3629. {
  3630. struct bnx2x *bp = params->bp;
  3631. u16 val16, digctrl_kx1, digctrl_kx2;
  3632. /* Clear XFI clock comp in non-10G single lane mode. */
  3633. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3634. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3635. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3636. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3637. /* SGMII Autoneg */
  3638. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3640. 0x1000);
  3641. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3642. } else {
  3643. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3644. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3645. val16 &= 0xcebf;
  3646. switch (phy->req_line_speed) {
  3647. case SPEED_10:
  3648. break;
  3649. case SPEED_100:
  3650. val16 |= 0x2000;
  3651. break;
  3652. case SPEED_1000:
  3653. val16 |= 0x0040;
  3654. break;
  3655. default:
  3656. DP(NETIF_MSG_LINK,
  3657. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3658. return;
  3659. }
  3660. if (phy->req_duplex == DUPLEX_FULL)
  3661. val16 |= 0x0100;
  3662. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3663. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3664. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3665. phy->req_line_speed);
  3666. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3668. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3669. }
  3670. /* SGMII Slave mode and disable signal detect */
  3671. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3672. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3673. if (fiber_mode)
  3674. digctrl_kx1 = 1;
  3675. else
  3676. digctrl_kx1 &= 0xff4a;
  3677. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3678. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3679. digctrl_kx1);
  3680. /* Turn off parallel detect */
  3681. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3682. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3683. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3684. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3685. (digctrl_kx2 & ~(1<<2)));
  3686. /* Re-enable parallel detect */
  3687. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3688. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3689. (digctrl_kx2 | (1<<2)));
  3690. /* Enable autodet */
  3691. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3692. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3693. (digctrl_kx1 | 0x10));
  3694. }
  3695. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3696. struct bnx2x_phy *phy,
  3697. u8 reset)
  3698. {
  3699. u16 val;
  3700. /* Take lane out of reset after configuration is finished */
  3701. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3702. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3703. if (reset)
  3704. val |= 0xC000;
  3705. else
  3706. val &= 0x3FFF;
  3707. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3708. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3709. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3710. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3711. }
  3712. /* Clear SFI/XFI link settings registers */
  3713. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3714. struct link_params *params,
  3715. u16 lane)
  3716. {
  3717. struct bnx2x *bp = params->bp;
  3718. u16 i;
  3719. static struct bnx2x_reg_set wc_regs[] = {
  3720. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3721. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3722. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3723. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3724. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3725. 0x0195},
  3726. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3727. 0x0007},
  3728. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3729. 0x0002},
  3730. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3731. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3732. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3733. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3734. };
  3735. /* Set XFI clock comp as default. */
  3736. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3737. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3738. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3739. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3740. wc_regs[i].val);
  3741. lane = bnx2x_get_warpcore_lane(phy, params);
  3742. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3743. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3744. }
  3745. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3746. u32 chip_id,
  3747. u32 shmem_base, u8 port,
  3748. u8 *gpio_num, u8 *gpio_port)
  3749. {
  3750. u32 cfg_pin;
  3751. *gpio_num = 0;
  3752. *gpio_port = 0;
  3753. if (CHIP_IS_E3(bp)) {
  3754. cfg_pin = (REG_RD(bp, shmem_base +
  3755. offsetof(struct shmem_region,
  3756. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3757. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3758. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3759. /* Should not happen. This function called upon interrupt
  3760. * triggered by GPIO ( since EPIO can only generate interrupts
  3761. * to MCP).
  3762. * So if this function was called and none of the GPIOs was set,
  3763. * it means the shit hit the fan.
  3764. */
  3765. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3766. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3767. DP(NETIF_MSG_LINK,
  3768. "No cfg pin %x for module detect indication\n",
  3769. cfg_pin);
  3770. return -EINVAL;
  3771. }
  3772. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3773. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3774. } else {
  3775. *gpio_num = MISC_REGISTERS_GPIO_3;
  3776. *gpio_port = port;
  3777. }
  3778. return 0;
  3779. }
  3780. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3781. struct link_params *params)
  3782. {
  3783. struct bnx2x *bp = params->bp;
  3784. u8 gpio_num, gpio_port;
  3785. u32 gpio_val;
  3786. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3787. params->shmem_base, params->port,
  3788. &gpio_num, &gpio_port) != 0)
  3789. return 0;
  3790. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3791. /* Call the handling function in case module is detected */
  3792. if (gpio_val == 0)
  3793. return 1;
  3794. else
  3795. return 0;
  3796. }
  3797. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3798. struct link_params *params)
  3799. {
  3800. u16 gp2_status_reg0, lane;
  3801. struct bnx2x *bp = params->bp;
  3802. lane = bnx2x_get_warpcore_lane(phy, params);
  3803. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3804. &gp2_status_reg0);
  3805. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3806. }
  3807. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3808. struct link_params *params,
  3809. struct link_vars *vars)
  3810. {
  3811. struct bnx2x *bp = params->bp;
  3812. u32 serdes_net_if;
  3813. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3814. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3815. if (!vars->turn_to_run_wc_rt)
  3816. return;
  3817. if (vars->rx_tx_asic_rst) {
  3818. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3819. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3820. offsetof(struct shmem_region, dev_info.
  3821. port_hw_config[params->port].default_cfg)) &
  3822. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3823. switch (serdes_net_if) {
  3824. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3825. /* Do we get link yet? */
  3826. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3827. &gp_status1);
  3828. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3829. /*10G KR*/
  3830. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3831. if (lnkup_kr || lnkup) {
  3832. vars->rx_tx_asic_rst = 0;
  3833. } else {
  3834. /* Reset the lane to see if link comes up.*/
  3835. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3836. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3837. /* Restart Autoneg */
  3838. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3839. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3840. vars->rx_tx_asic_rst--;
  3841. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3842. vars->rx_tx_asic_rst);
  3843. }
  3844. break;
  3845. default:
  3846. break;
  3847. }
  3848. } /*params->rx_tx_asic_rst*/
  3849. }
  3850. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3851. struct link_params *params)
  3852. {
  3853. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3854. struct bnx2x *bp = params->bp;
  3855. bnx2x_warpcore_clear_regs(phy, params, lane);
  3856. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3857. SPEED_10000) &&
  3858. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3859. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3860. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3861. } else {
  3862. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3863. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3864. }
  3865. }
  3866. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3867. struct bnx2x_phy *phy,
  3868. u8 tx_en)
  3869. {
  3870. struct bnx2x *bp = params->bp;
  3871. u32 cfg_pin;
  3872. u8 port = params->port;
  3873. cfg_pin = REG_RD(bp, params->shmem_base +
  3874. offsetof(struct shmem_region,
  3875. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3876. PORT_HW_CFG_E3_TX_LASER_MASK;
  3877. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3878. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3879. /* For 20G, the expected pin to be used is 3 pins after the current */
  3880. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3881. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3882. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3883. }
  3884. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3885. struct link_params *params,
  3886. struct link_vars *vars)
  3887. {
  3888. struct bnx2x *bp = params->bp;
  3889. u32 serdes_net_if;
  3890. u8 fiber_mode;
  3891. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3892. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3893. offsetof(struct shmem_region, dev_info.
  3894. port_hw_config[params->port].default_cfg)) &
  3895. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3896. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3897. "serdes_net_if = 0x%x\n",
  3898. vars->line_speed, serdes_net_if);
  3899. bnx2x_set_aer_mmd(params, phy);
  3900. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3901. vars->phy_flags |= PHY_XGXS_FLAG;
  3902. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3903. (phy->req_line_speed &&
  3904. ((phy->req_line_speed == SPEED_100) ||
  3905. (phy->req_line_speed == SPEED_10)))) {
  3906. vars->phy_flags |= PHY_SGMII_FLAG;
  3907. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3908. bnx2x_warpcore_clear_regs(phy, params, lane);
  3909. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3910. } else {
  3911. switch (serdes_net_if) {
  3912. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3913. /* Enable KR Auto Neg */
  3914. if (params->loopback_mode != LOOPBACK_EXT)
  3915. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3916. else {
  3917. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3918. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3919. }
  3920. break;
  3921. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3922. bnx2x_warpcore_clear_regs(phy, params, lane);
  3923. if (vars->line_speed == SPEED_10000) {
  3924. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3925. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3926. } else {
  3927. if (SINGLE_MEDIA_DIRECT(params)) {
  3928. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3929. fiber_mode = 1;
  3930. } else {
  3931. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3932. fiber_mode = 0;
  3933. }
  3934. bnx2x_warpcore_set_sgmii_speed(phy,
  3935. params,
  3936. fiber_mode,
  3937. 0);
  3938. }
  3939. break;
  3940. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3941. /* Issue Module detection if module is plugged, or
  3942. * enabled transmitter to avoid current leakage in case
  3943. * no module is connected
  3944. */
  3945. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3946. (params->loopback_mode == LOOPBACK_EXT)) {
  3947. if (bnx2x_is_sfp_module_plugged(phy, params))
  3948. bnx2x_sfp_module_detection(phy, params);
  3949. else
  3950. bnx2x_sfp_e3_set_transmitter(params,
  3951. phy, 1);
  3952. }
  3953. bnx2x_warpcore_config_sfi(phy, params);
  3954. break;
  3955. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3956. if (vars->line_speed != SPEED_20000) {
  3957. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3958. return;
  3959. }
  3960. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3961. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3962. /* Issue Module detection */
  3963. bnx2x_sfp_module_detection(phy, params);
  3964. break;
  3965. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3966. if (!params->loopback_mode) {
  3967. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3968. } else {
  3969. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3970. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3971. }
  3972. break;
  3973. default:
  3974. DP(NETIF_MSG_LINK,
  3975. "Unsupported Serdes Net Interface 0x%x\n",
  3976. serdes_net_if);
  3977. return;
  3978. }
  3979. }
  3980. /* Take lane out of reset after configuration is finished */
  3981. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3982. DP(NETIF_MSG_LINK, "Exit config init\n");
  3983. }
  3984. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3985. struct link_params *params)
  3986. {
  3987. struct bnx2x *bp = params->bp;
  3988. u16 val16, lane;
  3989. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3990. bnx2x_set_mdio_emac_per_phy(bp, params);
  3991. bnx2x_set_aer_mmd(params, phy);
  3992. /* Global register */
  3993. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3994. /* Clear loopback settings (if any) */
  3995. /* 10G & 20G */
  3996. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3997. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3998. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3999. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  4000. /* Update those 1-copy registers */
  4001. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4002. MDIO_AER_BLOCK_AER_REG, 0);
  4003. /* Enable 1G MDIO (1-copy) */
  4004. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4005. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4006. ~0x10);
  4007. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  4009. lane = bnx2x_get_warpcore_lane(phy, params);
  4010. /* Disable CL36 PCS Tx */
  4011. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4012. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4013. val16 |= (0x11 << lane);
  4014. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4015. val16 |= (0x22 << lane);
  4016. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4017. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4018. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4019. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4020. val16 &= ~(0x0303 << (lane << 1));
  4021. val16 |= (0x0101 << (lane << 1));
  4022. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4023. val16 &= ~(0x0c0c << (lane << 1));
  4024. val16 |= (0x0404 << (lane << 1));
  4025. }
  4026. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4027. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4028. /* Restore AER */
  4029. bnx2x_set_aer_mmd(params, phy);
  4030. }
  4031. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4032. struct link_params *params)
  4033. {
  4034. struct bnx2x *bp = params->bp;
  4035. u16 val16;
  4036. u32 lane;
  4037. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4038. params->loopback_mode, phy->req_line_speed);
  4039. if (phy->req_line_speed < SPEED_10000 ||
  4040. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4041. /* 10/100/1000/20G-KR2 */
  4042. /* Update those 1-copy registers */
  4043. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4044. MDIO_AER_BLOCK_AER_REG, 0);
  4045. /* Enable 1G MDIO (1-copy) */
  4046. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4047. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4048. 0x10);
  4049. /* Set 1G loopback based on lane (1-copy) */
  4050. lane = bnx2x_get_warpcore_lane(phy, params);
  4051. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4052. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4053. val16 |= (1<<lane);
  4054. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4055. val16 |= (2<<lane);
  4056. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4057. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4058. val16);
  4059. /* Switch back to 4-copy registers */
  4060. bnx2x_set_aer_mmd(params, phy);
  4061. } else {
  4062. /* 10G / 20G-DXGXS */
  4063. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4064. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4065. 0x4000);
  4066. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4067. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4068. }
  4069. }
  4070. static void bnx2x_sync_link(struct link_params *params,
  4071. struct link_vars *vars)
  4072. {
  4073. struct bnx2x *bp = params->bp;
  4074. u8 link_10g_plus;
  4075. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4076. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4077. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4078. if (vars->link_up) {
  4079. DP(NETIF_MSG_LINK, "phy link up\n");
  4080. vars->phy_link_up = 1;
  4081. vars->duplex = DUPLEX_FULL;
  4082. switch (vars->link_status &
  4083. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4084. case LINK_10THD:
  4085. vars->duplex = DUPLEX_HALF;
  4086. /* Fall thru */
  4087. case LINK_10TFD:
  4088. vars->line_speed = SPEED_10;
  4089. break;
  4090. case LINK_100TXHD:
  4091. vars->duplex = DUPLEX_HALF;
  4092. /* Fall thru */
  4093. case LINK_100T4:
  4094. case LINK_100TXFD:
  4095. vars->line_speed = SPEED_100;
  4096. break;
  4097. case LINK_1000THD:
  4098. vars->duplex = DUPLEX_HALF;
  4099. /* Fall thru */
  4100. case LINK_1000TFD:
  4101. vars->line_speed = SPEED_1000;
  4102. break;
  4103. case LINK_2500THD:
  4104. vars->duplex = DUPLEX_HALF;
  4105. /* Fall thru */
  4106. case LINK_2500TFD:
  4107. vars->line_speed = SPEED_2500;
  4108. break;
  4109. case LINK_10GTFD:
  4110. vars->line_speed = SPEED_10000;
  4111. break;
  4112. case LINK_20GTFD:
  4113. vars->line_speed = SPEED_20000;
  4114. break;
  4115. default:
  4116. break;
  4117. }
  4118. vars->flow_ctrl = 0;
  4119. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4120. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4121. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4122. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4123. if (!vars->flow_ctrl)
  4124. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4125. if (vars->line_speed &&
  4126. ((vars->line_speed == SPEED_10) ||
  4127. (vars->line_speed == SPEED_100))) {
  4128. vars->phy_flags |= PHY_SGMII_FLAG;
  4129. } else {
  4130. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4131. }
  4132. if (vars->line_speed &&
  4133. USES_WARPCORE(bp) &&
  4134. (vars->line_speed == SPEED_1000))
  4135. vars->phy_flags |= PHY_SGMII_FLAG;
  4136. /* Anything 10 and over uses the bmac */
  4137. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4138. if (link_10g_plus) {
  4139. if (USES_WARPCORE(bp))
  4140. vars->mac_type = MAC_TYPE_XMAC;
  4141. else
  4142. vars->mac_type = MAC_TYPE_BMAC;
  4143. } else {
  4144. if (USES_WARPCORE(bp))
  4145. vars->mac_type = MAC_TYPE_UMAC;
  4146. else
  4147. vars->mac_type = MAC_TYPE_EMAC;
  4148. }
  4149. } else { /* Link down */
  4150. DP(NETIF_MSG_LINK, "phy link down\n");
  4151. vars->phy_link_up = 0;
  4152. vars->line_speed = 0;
  4153. vars->duplex = DUPLEX_FULL;
  4154. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4155. /* Indicate no mac active */
  4156. vars->mac_type = MAC_TYPE_NONE;
  4157. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4158. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4159. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4160. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4161. }
  4162. }
  4163. void bnx2x_link_status_update(struct link_params *params,
  4164. struct link_vars *vars)
  4165. {
  4166. struct bnx2x *bp = params->bp;
  4167. u8 port = params->port;
  4168. u32 sync_offset, media_types;
  4169. /* Update PHY configuration */
  4170. set_phy_vars(params, vars);
  4171. vars->link_status = REG_RD(bp, params->shmem_base +
  4172. offsetof(struct shmem_region,
  4173. port_mb[port].link_status));
  4174. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4175. if (params->loopback_mode != LOOPBACK_NONE &&
  4176. params->loopback_mode != LOOPBACK_EXT)
  4177. vars->link_status |= LINK_STATUS_LINK_UP;
  4178. if (bnx2x_eee_has_cap(params))
  4179. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4180. offsetof(struct shmem2_region,
  4181. eee_status[params->port]));
  4182. vars->phy_flags = PHY_XGXS_FLAG;
  4183. bnx2x_sync_link(params, vars);
  4184. /* Sync media type */
  4185. sync_offset = params->shmem_base +
  4186. offsetof(struct shmem_region,
  4187. dev_info.port_hw_config[port].media_type);
  4188. media_types = REG_RD(bp, sync_offset);
  4189. params->phy[INT_PHY].media_type =
  4190. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4191. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4192. params->phy[EXT_PHY1].media_type =
  4193. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4194. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4195. params->phy[EXT_PHY2].media_type =
  4196. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4197. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4198. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4199. /* Sync AEU offset */
  4200. sync_offset = params->shmem_base +
  4201. offsetof(struct shmem_region,
  4202. dev_info.port_hw_config[port].aeu_int_mask);
  4203. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4204. /* Sync PFC status */
  4205. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4206. params->feature_config_flags |=
  4207. FEATURE_CONFIG_PFC_ENABLED;
  4208. else
  4209. params->feature_config_flags &=
  4210. ~FEATURE_CONFIG_PFC_ENABLED;
  4211. if (SHMEM2_HAS(bp, link_attr_sync))
  4212. vars->link_attr_sync = SHMEM2_RD(bp,
  4213. link_attr_sync[params->port]);
  4214. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4215. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4216. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4217. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4218. }
  4219. static void bnx2x_set_master_ln(struct link_params *params,
  4220. struct bnx2x_phy *phy)
  4221. {
  4222. struct bnx2x *bp = params->bp;
  4223. u16 new_master_ln, ser_lane;
  4224. ser_lane = ((params->lane_config &
  4225. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4226. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4227. /* Set the master_ln for AN */
  4228. CL22_RD_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_XGXS_BLOCK2,
  4230. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4231. &new_master_ln);
  4232. CL22_WR_OVER_CL45(bp, phy,
  4233. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4234. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4235. (new_master_ln | ser_lane));
  4236. }
  4237. static int bnx2x_reset_unicore(struct link_params *params,
  4238. struct bnx2x_phy *phy,
  4239. u8 set_serdes)
  4240. {
  4241. struct bnx2x *bp = params->bp;
  4242. u16 mii_control;
  4243. u16 i;
  4244. CL22_RD_OVER_CL45(bp, phy,
  4245. MDIO_REG_BANK_COMBO_IEEE0,
  4246. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4247. /* Reset the unicore */
  4248. CL22_WR_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_COMBO_IEEE0,
  4250. MDIO_COMBO_IEEE0_MII_CONTROL,
  4251. (mii_control |
  4252. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4253. if (set_serdes)
  4254. bnx2x_set_serdes_access(bp, params->port);
  4255. /* Wait for the reset to self clear */
  4256. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4257. udelay(5);
  4258. /* The reset erased the previous bank value */
  4259. CL22_RD_OVER_CL45(bp, phy,
  4260. MDIO_REG_BANK_COMBO_IEEE0,
  4261. MDIO_COMBO_IEEE0_MII_CONTROL,
  4262. &mii_control);
  4263. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4264. udelay(5);
  4265. return 0;
  4266. }
  4267. }
  4268. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4269. " Port %d\n",
  4270. params->port);
  4271. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4272. return -EINVAL;
  4273. }
  4274. static void bnx2x_set_swap_lanes(struct link_params *params,
  4275. struct bnx2x_phy *phy)
  4276. {
  4277. struct bnx2x *bp = params->bp;
  4278. /* Each two bits represents a lane number:
  4279. * No swap is 0123 => 0x1b no need to enable the swap
  4280. */
  4281. u16 rx_lane_swap, tx_lane_swap;
  4282. rx_lane_swap = ((params->lane_config &
  4283. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4284. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4285. tx_lane_swap = ((params->lane_config &
  4286. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4287. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4288. if (rx_lane_swap != 0x1b) {
  4289. CL22_WR_OVER_CL45(bp, phy,
  4290. MDIO_REG_BANK_XGXS_BLOCK2,
  4291. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4292. (rx_lane_swap |
  4293. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4294. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4295. } else {
  4296. CL22_WR_OVER_CL45(bp, phy,
  4297. MDIO_REG_BANK_XGXS_BLOCK2,
  4298. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4299. }
  4300. if (tx_lane_swap != 0x1b) {
  4301. CL22_WR_OVER_CL45(bp, phy,
  4302. MDIO_REG_BANK_XGXS_BLOCK2,
  4303. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4304. (tx_lane_swap |
  4305. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4306. } else {
  4307. CL22_WR_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_XGXS_BLOCK2,
  4309. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4310. }
  4311. }
  4312. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4313. struct link_params *params)
  4314. {
  4315. struct bnx2x *bp = params->bp;
  4316. u16 control2;
  4317. CL22_RD_OVER_CL45(bp, phy,
  4318. MDIO_REG_BANK_SERDES_DIGITAL,
  4319. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4320. &control2);
  4321. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4322. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4323. else
  4324. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4325. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4326. phy->speed_cap_mask, control2);
  4327. CL22_WR_OVER_CL45(bp, phy,
  4328. MDIO_REG_BANK_SERDES_DIGITAL,
  4329. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4330. control2);
  4331. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4332. (phy->speed_cap_mask &
  4333. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4334. DP(NETIF_MSG_LINK, "XGXS\n");
  4335. CL22_WR_OVER_CL45(bp, phy,
  4336. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4337. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4338. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4339. CL22_RD_OVER_CL45(bp, phy,
  4340. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4341. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4342. &control2);
  4343. control2 |=
  4344. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4345. CL22_WR_OVER_CL45(bp, phy,
  4346. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4347. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4348. control2);
  4349. /* Disable parallel detection of HiG */
  4350. CL22_WR_OVER_CL45(bp, phy,
  4351. MDIO_REG_BANK_XGXS_BLOCK2,
  4352. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4353. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4354. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4355. }
  4356. }
  4357. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4358. struct link_params *params,
  4359. struct link_vars *vars,
  4360. u8 enable_cl73)
  4361. {
  4362. struct bnx2x *bp = params->bp;
  4363. u16 reg_val;
  4364. /* CL37 Autoneg */
  4365. CL22_RD_OVER_CL45(bp, phy,
  4366. MDIO_REG_BANK_COMBO_IEEE0,
  4367. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4368. /* CL37 Autoneg Enabled */
  4369. if (vars->line_speed == SPEED_AUTO_NEG)
  4370. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4371. else /* CL37 Autoneg Disabled */
  4372. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4373. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4374. CL22_WR_OVER_CL45(bp, phy,
  4375. MDIO_REG_BANK_COMBO_IEEE0,
  4376. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4377. /* Enable/Disable Autodetection */
  4378. CL22_RD_OVER_CL45(bp, phy,
  4379. MDIO_REG_BANK_SERDES_DIGITAL,
  4380. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4381. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4382. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4383. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4384. if (vars->line_speed == SPEED_AUTO_NEG)
  4385. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4386. else
  4387. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4388. CL22_WR_OVER_CL45(bp, phy,
  4389. MDIO_REG_BANK_SERDES_DIGITAL,
  4390. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4391. /* Enable TetonII and BAM autoneg */
  4392. CL22_RD_OVER_CL45(bp, phy,
  4393. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4394. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4395. &reg_val);
  4396. if (vars->line_speed == SPEED_AUTO_NEG) {
  4397. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4398. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4399. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4400. } else {
  4401. /* TetonII and BAM Autoneg Disabled */
  4402. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4403. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4404. }
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4407. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4408. reg_val);
  4409. if (enable_cl73) {
  4410. /* Enable Cl73 FSM status bits */
  4411. CL22_WR_OVER_CL45(bp, phy,
  4412. MDIO_REG_BANK_CL73_USERB0,
  4413. MDIO_CL73_USERB0_CL73_UCTRL,
  4414. 0xe);
  4415. /* Enable BAM Station Manager*/
  4416. CL22_WR_OVER_CL45(bp, phy,
  4417. MDIO_REG_BANK_CL73_USERB0,
  4418. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4419. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4420. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4421. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4422. /* Advertise CL73 link speeds */
  4423. CL22_RD_OVER_CL45(bp, phy,
  4424. MDIO_REG_BANK_CL73_IEEEB1,
  4425. MDIO_CL73_IEEEB1_AN_ADV2,
  4426. &reg_val);
  4427. if (phy->speed_cap_mask &
  4428. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4429. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4430. if (phy->speed_cap_mask &
  4431. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4432. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4433. CL22_WR_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_CL73_IEEEB1,
  4435. MDIO_CL73_IEEEB1_AN_ADV2,
  4436. reg_val);
  4437. /* CL73 Autoneg Enabled */
  4438. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4439. } else /* CL73 Autoneg Disabled */
  4440. reg_val = 0;
  4441. CL22_WR_OVER_CL45(bp, phy,
  4442. MDIO_REG_BANK_CL73_IEEEB0,
  4443. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4444. }
  4445. /* Program SerDes, forced speed */
  4446. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4447. struct link_params *params,
  4448. struct link_vars *vars)
  4449. {
  4450. struct bnx2x *bp = params->bp;
  4451. u16 reg_val;
  4452. /* Program duplex, disable autoneg and sgmii*/
  4453. CL22_RD_OVER_CL45(bp, phy,
  4454. MDIO_REG_BANK_COMBO_IEEE0,
  4455. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4456. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4457. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4458. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4459. if (phy->req_duplex == DUPLEX_FULL)
  4460. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4461. CL22_WR_OVER_CL45(bp, phy,
  4462. MDIO_REG_BANK_COMBO_IEEE0,
  4463. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4464. /* Program speed
  4465. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4466. */
  4467. CL22_RD_OVER_CL45(bp, phy,
  4468. MDIO_REG_BANK_SERDES_DIGITAL,
  4469. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4470. /* Clearing the speed value before setting the right speed */
  4471. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4472. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4473. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4474. if (!((vars->line_speed == SPEED_1000) ||
  4475. (vars->line_speed == SPEED_100) ||
  4476. (vars->line_speed == SPEED_10))) {
  4477. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4478. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4479. if (vars->line_speed == SPEED_10000)
  4480. reg_val |=
  4481. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4482. }
  4483. CL22_WR_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_SERDES_DIGITAL,
  4485. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4486. }
  4487. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4488. struct link_params *params)
  4489. {
  4490. struct bnx2x *bp = params->bp;
  4491. u16 val = 0;
  4492. /* Set extended capabilities */
  4493. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4494. val |= MDIO_OVER_1G_UP1_2_5G;
  4495. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4496. val |= MDIO_OVER_1G_UP1_10G;
  4497. CL22_WR_OVER_CL45(bp, phy,
  4498. MDIO_REG_BANK_OVER_1G,
  4499. MDIO_OVER_1G_UP1, val);
  4500. CL22_WR_OVER_CL45(bp, phy,
  4501. MDIO_REG_BANK_OVER_1G,
  4502. MDIO_OVER_1G_UP3, 0x400);
  4503. }
  4504. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4505. struct link_params *params,
  4506. u16 ieee_fc)
  4507. {
  4508. struct bnx2x *bp = params->bp;
  4509. u16 val;
  4510. /* For AN, we are always publishing full duplex */
  4511. CL22_WR_OVER_CL45(bp, phy,
  4512. MDIO_REG_BANK_COMBO_IEEE0,
  4513. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4514. CL22_RD_OVER_CL45(bp, phy,
  4515. MDIO_REG_BANK_CL73_IEEEB1,
  4516. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4517. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4518. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4519. CL22_WR_OVER_CL45(bp, phy,
  4520. MDIO_REG_BANK_CL73_IEEEB1,
  4521. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4522. }
  4523. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4524. struct link_params *params,
  4525. u8 enable_cl73)
  4526. {
  4527. struct bnx2x *bp = params->bp;
  4528. u16 mii_control;
  4529. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4530. /* Enable and restart BAM/CL37 aneg */
  4531. if (enable_cl73) {
  4532. CL22_RD_OVER_CL45(bp, phy,
  4533. MDIO_REG_BANK_CL73_IEEEB0,
  4534. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4535. &mii_control);
  4536. CL22_WR_OVER_CL45(bp, phy,
  4537. MDIO_REG_BANK_CL73_IEEEB0,
  4538. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4539. (mii_control |
  4540. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4541. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4542. } else {
  4543. CL22_RD_OVER_CL45(bp, phy,
  4544. MDIO_REG_BANK_COMBO_IEEE0,
  4545. MDIO_COMBO_IEEE0_MII_CONTROL,
  4546. &mii_control);
  4547. DP(NETIF_MSG_LINK,
  4548. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4549. mii_control);
  4550. CL22_WR_OVER_CL45(bp, phy,
  4551. MDIO_REG_BANK_COMBO_IEEE0,
  4552. MDIO_COMBO_IEEE0_MII_CONTROL,
  4553. (mii_control |
  4554. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4555. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4556. }
  4557. }
  4558. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4559. struct link_params *params,
  4560. struct link_vars *vars)
  4561. {
  4562. struct bnx2x *bp = params->bp;
  4563. u16 control1;
  4564. /* In SGMII mode, the unicore is always slave */
  4565. CL22_RD_OVER_CL45(bp, phy,
  4566. MDIO_REG_BANK_SERDES_DIGITAL,
  4567. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4568. &control1);
  4569. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4570. /* Set sgmii mode (and not fiber) */
  4571. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4572. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4573. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4574. CL22_WR_OVER_CL45(bp, phy,
  4575. MDIO_REG_BANK_SERDES_DIGITAL,
  4576. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4577. control1);
  4578. /* If forced speed */
  4579. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4580. /* Set speed, disable autoneg */
  4581. u16 mii_control;
  4582. CL22_RD_OVER_CL45(bp, phy,
  4583. MDIO_REG_BANK_COMBO_IEEE0,
  4584. MDIO_COMBO_IEEE0_MII_CONTROL,
  4585. &mii_control);
  4586. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4587. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4588. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4589. switch (vars->line_speed) {
  4590. case SPEED_100:
  4591. mii_control |=
  4592. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4593. break;
  4594. case SPEED_1000:
  4595. mii_control |=
  4596. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4597. break;
  4598. case SPEED_10:
  4599. /* There is nothing to set for 10M */
  4600. break;
  4601. default:
  4602. /* Invalid speed for SGMII */
  4603. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4604. vars->line_speed);
  4605. break;
  4606. }
  4607. /* Setting the full duplex */
  4608. if (phy->req_duplex == DUPLEX_FULL)
  4609. mii_control |=
  4610. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4611. CL22_WR_OVER_CL45(bp, phy,
  4612. MDIO_REG_BANK_COMBO_IEEE0,
  4613. MDIO_COMBO_IEEE0_MII_CONTROL,
  4614. mii_control);
  4615. } else { /* AN mode */
  4616. /* Enable and restart AN */
  4617. bnx2x_restart_autoneg(phy, params, 0);
  4618. }
  4619. }
  4620. /* Link management
  4621. */
  4622. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4623. struct link_params *params)
  4624. {
  4625. struct bnx2x *bp = params->bp;
  4626. u16 pd_10g, status2_1000x;
  4627. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4628. return 0;
  4629. CL22_RD_OVER_CL45(bp, phy,
  4630. MDIO_REG_BANK_SERDES_DIGITAL,
  4631. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4632. &status2_1000x);
  4633. CL22_RD_OVER_CL45(bp, phy,
  4634. MDIO_REG_BANK_SERDES_DIGITAL,
  4635. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4636. &status2_1000x);
  4637. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4638. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4639. params->port);
  4640. return 1;
  4641. }
  4642. CL22_RD_OVER_CL45(bp, phy,
  4643. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4644. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4645. &pd_10g);
  4646. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4647. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4648. params->port);
  4649. return 1;
  4650. }
  4651. return 0;
  4652. }
  4653. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4654. struct link_params *params,
  4655. struct link_vars *vars,
  4656. u32 gp_status)
  4657. {
  4658. u16 ld_pause; /* local driver */
  4659. u16 lp_pause; /* link partner */
  4660. u16 pause_result;
  4661. struct bnx2x *bp = params->bp;
  4662. if ((gp_status &
  4663. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4664. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4665. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4666. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4667. CL22_RD_OVER_CL45(bp, phy,
  4668. MDIO_REG_BANK_CL73_IEEEB1,
  4669. MDIO_CL73_IEEEB1_AN_ADV1,
  4670. &ld_pause);
  4671. CL22_RD_OVER_CL45(bp, phy,
  4672. MDIO_REG_BANK_CL73_IEEEB1,
  4673. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4674. &lp_pause);
  4675. pause_result = (ld_pause &
  4676. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4677. pause_result |= (lp_pause &
  4678. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4679. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4680. } else {
  4681. CL22_RD_OVER_CL45(bp, phy,
  4682. MDIO_REG_BANK_COMBO_IEEE0,
  4683. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4684. &ld_pause);
  4685. CL22_RD_OVER_CL45(bp, phy,
  4686. MDIO_REG_BANK_COMBO_IEEE0,
  4687. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4688. &lp_pause);
  4689. pause_result = (ld_pause &
  4690. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4691. pause_result |= (lp_pause &
  4692. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4693. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4694. }
  4695. bnx2x_pause_resolve(vars, pause_result);
  4696. }
  4697. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4698. struct link_params *params,
  4699. struct link_vars *vars,
  4700. u32 gp_status)
  4701. {
  4702. struct bnx2x *bp = params->bp;
  4703. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4704. /* Resolve from gp_status in case of AN complete and not sgmii */
  4705. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4706. /* Update the advertised flow-controled of LD/LP in AN */
  4707. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4708. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4709. /* But set the flow-control result as the requested one */
  4710. vars->flow_ctrl = phy->req_flow_ctrl;
  4711. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4712. vars->flow_ctrl = params->req_fc_auto_adv;
  4713. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4714. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4715. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4716. vars->flow_ctrl = params->req_fc_auto_adv;
  4717. return;
  4718. }
  4719. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4720. }
  4721. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4722. }
  4723. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4724. struct link_params *params)
  4725. {
  4726. struct bnx2x *bp = params->bp;
  4727. u16 rx_status, ustat_val, cl37_fsm_received;
  4728. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4729. /* Step 1: Make sure signal is detected */
  4730. CL22_RD_OVER_CL45(bp, phy,
  4731. MDIO_REG_BANK_RX0,
  4732. MDIO_RX0_RX_STATUS,
  4733. &rx_status);
  4734. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4735. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4736. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4737. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4738. CL22_WR_OVER_CL45(bp, phy,
  4739. MDIO_REG_BANK_CL73_IEEEB0,
  4740. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4741. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4742. return;
  4743. }
  4744. /* Step 2: Check CL73 state machine */
  4745. CL22_RD_OVER_CL45(bp, phy,
  4746. MDIO_REG_BANK_CL73_USERB0,
  4747. MDIO_CL73_USERB0_CL73_USTAT1,
  4748. &ustat_val);
  4749. if ((ustat_val &
  4750. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4751. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4752. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4753. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4754. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4755. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4756. return;
  4757. }
  4758. /* Step 3: Check CL37 Message Pages received to indicate LP
  4759. * supports only CL37
  4760. */
  4761. CL22_RD_OVER_CL45(bp, phy,
  4762. MDIO_REG_BANK_REMOTE_PHY,
  4763. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4764. &cl37_fsm_received);
  4765. if ((cl37_fsm_received &
  4766. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4767. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4768. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4769. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4770. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4771. "misc_rx_status(0x8330) = 0x%x\n",
  4772. cl37_fsm_received);
  4773. return;
  4774. }
  4775. /* The combined cl37/cl73 fsm state information indicating that
  4776. * we are connected to a device which does not support cl73, but
  4777. * does support cl37 BAM. In this case we disable cl73 and
  4778. * restart cl37 auto-neg
  4779. */
  4780. /* Disable CL73 */
  4781. CL22_WR_OVER_CL45(bp, phy,
  4782. MDIO_REG_BANK_CL73_IEEEB0,
  4783. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4784. 0);
  4785. /* Restart CL37 autoneg */
  4786. bnx2x_restart_autoneg(phy, params, 0);
  4787. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4788. }
  4789. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4790. struct link_params *params,
  4791. struct link_vars *vars,
  4792. u32 gp_status)
  4793. {
  4794. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4795. vars->link_status |=
  4796. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4797. if (bnx2x_direct_parallel_detect_used(phy, params))
  4798. vars->link_status |=
  4799. LINK_STATUS_PARALLEL_DETECTION_USED;
  4800. }
  4801. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4802. struct link_params *params,
  4803. struct link_vars *vars,
  4804. u16 is_link_up,
  4805. u16 speed_mask,
  4806. u16 is_duplex)
  4807. {
  4808. struct bnx2x *bp = params->bp;
  4809. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4810. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4811. if (is_link_up) {
  4812. DP(NETIF_MSG_LINK, "phy link up\n");
  4813. vars->phy_link_up = 1;
  4814. vars->link_status |= LINK_STATUS_LINK_UP;
  4815. switch (speed_mask) {
  4816. case GP_STATUS_10M:
  4817. vars->line_speed = SPEED_10;
  4818. if (is_duplex == DUPLEX_FULL)
  4819. vars->link_status |= LINK_10TFD;
  4820. else
  4821. vars->link_status |= LINK_10THD;
  4822. break;
  4823. case GP_STATUS_100M:
  4824. vars->line_speed = SPEED_100;
  4825. if (is_duplex == DUPLEX_FULL)
  4826. vars->link_status |= LINK_100TXFD;
  4827. else
  4828. vars->link_status |= LINK_100TXHD;
  4829. break;
  4830. case GP_STATUS_1G:
  4831. case GP_STATUS_1G_KX:
  4832. vars->line_speed = SPEED_1000;
  4833. if (is_duplex == DUPLEX_FULL)
  4834. vars->link_status |= LINK_1000TFD;
  4835. else
  4836. vars->link_status |= LINK_1000THD;
  4837. break;
  4838. case GP_STATUS_2_5G:
  4839. vars->line_speed = SPEED_2500;
  4840. if (is_duplex == DUPLEX_FULL)
  4841. vars->link_status |= LINK_2500TFD;
  4842. else
  4843. vars->link_status |= LINK_2500THD;
  4844. break;
  4845. case GP_STATUS_5G:
  4846. case GP_STATUS_6G:
  4847. DP(NETIF_MSG_LINK,
  4848. "link speed unsupported gp_status 0x%x\n",
  4849. speed_mask);
  4850. return -EINVAL;
  4851. case GP_STATUS_10G_KX4:
  4852. case GP_STATUS_10G_HIG:
  4853. case GP_STATUS_10G_CX4:
  4854. case GP_STATUS_10G_KR:
  4855. case GP_STATUS_10G_SFI:
  4856. case GP_STATUS_10G_XFI:
  4857. vars->line_speed = SPEED_10000;
  4858. vars->link_status |= LINK_10GTFD;
  4859. break;
  4860. case GP_STATUS_20G_DXGXS:
  4861. case GP_STATUS_20G_KR2:
  4862. vars->line_speed = SPEED_20000;
  4863. vars->link_status |= LINK_20GTFD;
  4864. break;
  4865. default:
  4866. DP(NETIF_MSG_LINK,
  4867. "link speed unsupported gp_status 0x%x\n",
  4868. speed_mask);
  4869. return -EINVAL;
  4870. }
  4871. } else { /* link_down */
  4872. DP(NETIF_MSG_LINK, "phy link down\n");
  4873. vars->phy_link_up = 0;
  4874. vars->duplex = DUPLEX_FULL;
  4875. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4876. vars->mac_type = MAC_TYPE_NONE;
  4877. }
  4878. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4879. vars->phy_link_up, vars->line_speed);
  4880. return 0;
  4881. }
  4882. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4883. struct link_params *params,
  4884. struct link_vars *vars)
  4885. {
  4886. struct bnx2x *bp = params->bp;
  4887. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4888. int rc = 0;
  4889. /* Read gp_status */
  4890. CL22_RD_OVER_CL45(bp, phy,
  4891. MDIO_REG_BANK_GP_STATUS,
  4892. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4893. &gp_status);
  4894. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4895. duplex = DUPLEX_FULL;
  4896. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4897. link_up = 1;
  4898. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4899. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4900. gp_status, link_up, speed_mask);
  4901. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4902. duplex);
  4903. if (rc == -EINVAL)
  4904. return rc;
  4905. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4906. if (SINGLE_MEDIA_DIRECT(params)) {
  4907. vars->duplex = duplex;
  4908. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4909. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4910. bnx2x_xgxs_an_resolve(phy, params, vars,
  4911. gp_status);
  4912. }
  4913. } else { /* Link_down */
  4914. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4915. SINGLE_MEDIA_DIRECT(params)) {
  4916. /* Check signal is detected */
  4917. bnx2x_check_fallback_to_cl37(phy, params);
  4918. }
  4919. }
  4920. /* Read LP advertised speeds*/
  4921. if (SINGLE_MEDIA_DIRECT(params) &&
  4922. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4923. u16 val;
  4924. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4925. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4926. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4927. vars->link_status |=
  4928. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4929. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4930. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4931. vars->link_status |=
  4932. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4933. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4934. MDIO_OVER_1G_LP_UP1, &val);
  4935. if (val & MDIO_OVER_1G_UP1_2_5G)
  4936. vars->link_status |=
  4937. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4938. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4939. vars->link_status |=
  4940. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4941. }
  4942. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4943. vars->duplex, vars->flow_ctrl, vars->link_status);
  4944. return rc;
  4945. }
  4946. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4947. struct link_params *params,
  4948. struct link_vars *vars)
  4949. {
  4950. struct bnx2x *bp = params->bp;
  4951. u8 lane;
  4952. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4953. int rc = 0;
  4954. lane = bnx2x_get_warpcore_lane(phy, params);
  4955. /* Read gp_status */
  4956. if ((params->loopback_mode) &&
  4957. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4958. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4959. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4960. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4961. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4962. link_up &= 0x1;
  4963. } else if ((phy->req_line_speed > SPEED_10000) &&
  4964. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4965. u16 temp_link_up;
  4966. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4967. 1, &temp_link_up);
  4968. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4969. 1, &link_up);
  4970. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4971. temp_link_up, link_up);
  4972. link_up &= (1<<2);
  4973. if (link_up)
  4974. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4975. } else {
  4976. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4977. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4978. &gp_status1);
  4979. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4980. /* Check for either KR, 1G, or AN up. */
  4981. link_up = ((gp_status1 >> 8) |
  4982. (gp_status1 >> 12) |
  4983. (gp_status1)) &
  4984. (1 << lane);
  4985. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4986. u16 an_link;
  4987. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4988. MDIO_AN_REG_STATUS, &an_link);
  4989. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4990. MDIO_AN_REG_STATUS, &an_link);
  4991. link_up |= (an_link & (1<<2));
  4992. }
  4993. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4994. u16 pd, gp_status4;
  4995. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4996. /* Check Autoneg complete */
  4997. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4998. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4999. &gp_status4);
  5000. if (gp_status4 & ((1<<12)<<lane))
  5001. vars->link_status |=
  5002. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5003. /* Check parallel detect used */
  5004. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5005. MDIO_WC_REG_PAR_DET_10G_STATUS,
  5006. &pd);
  5007. if (pd & (1<<15))
  5008. vars->link_status |=
  5009. LINK_STATUS_PARALLEL_DETECTION_USED;
  5010. }
  5011. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5012. vars->duplex = duplex;
  5013. }
  5014. }
  5015. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5016. SINGLE_MEDIA_DIRECT(params)) {
  5017. u16 val;
  5018. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5019. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5020. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5021. vars->link_status |=
  5022. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5023. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5024. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5025. vars->link_status |=
  5026. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5027. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5028. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5029. if (val & MDIO_OVER_1G_UP1_2_5G)
  5030. vars->link_status |=
  5031. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5032. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5033. vars->link_status |=
  5034. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5035. }
  5036. if (lane < 2) {
  5037. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5038. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5039. } else {
  5040. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5041. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5042. }
  5043. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5044. if ((lane & 1) == 0)
  5045. gp_speed <<= 8;
  5046. gp_speed &= 0x3f00;
  5047. link_up = !!link_up;
  5048. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5049. duplex);
  5050. /* In case of KR link down, start up the recovering procedure */
  5051. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5052. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5053. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5054. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5055. vars->duplex, vars->flow_ctrl, vars->link_status);
  5056. return rc;
  5057. }
  5058. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5059. {
  5060. struct bnx2x *bp = params->bp;
  5061. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5062. u16 lp_up2;
  5063. u16 tx_driver;
  5064. u16 bank;
  5065. /* Read precomp */
  5066. CL22_RD_OVER_CL45(bp, phy,
  5067. MDIO_REG_BANK_OVER_1G,
  5068. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5069. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5070. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5071. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5072. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5073. if (lp_up2 == 0)
  5074. return;
  5075. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5076. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5077. CL22_RD_OVER_CL45(bp, phy,
  5078. bank,
  5079. MDIO_TX0_TX_DRIVER, &tx_driver);
  5080. /* Replace tx_driver bits [15:12] */
  5081. if (lp_up2 !=
  5082. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5083. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5084. tx_driver |= lp_up2;
  5085. CL22_WR_OVER_CL45(bp, phy,
  5086. bank,
  5087. MDIO_TX0_TX_DRIVER, tx_driver);
  5088. }
  5089. }
  5090. }
  5091. static int bnx2x_emac_program(struct link_params *params,
  5092. struct link_vars *vars)
  5093. {
  5094. struct bnx2x *bp = params->bp;
  5095. u8 port = params->port;
  5096. u16 mode = 0;
  5097. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5098. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5099. EMAC_REG_EMAC_MODE,
  5100. (EMAC_MODE_25G_MODE |
  5101. EMAC_MODE_PORT_MII_10M |
  5102. EMAC_MODE_HALF_DUPLEX));
  5103. switch (vars->line_speed) {
  5104. case SPEED_10:
  5105. mode |= EMAC_MODE_PORT_MII_10M;
  5106. break;
  5107. case SPEED_100:
  5108. mode |= EMAC_MODE_PORT_MII;
  5109. break;
  5110. case SPEED_1000:
  5111. mode |= EMAC_MODE_PORT_GMII;
  5112. break;
  5113. case SPEED_2500:
  5114. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5115. break;
  5116. default:
  5117. /* 10G not valid for EMAC */
  5118. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5119. vars->line_speed);
  5120. return -EINVAL;
  5121. }
  5122. if (vars->duplex == DUPLEX_HALF)
  5123. mode |= EMAC_MODE_HALF_DUPLEX;
  5124. bnx2x_bits_en(bp,
  5125. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5126. mode);
  5127. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5128. return 0;
  5129. }
  5130. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5131. struct link_params *params)
  5132. {
  5133. u16 bank, i = 0;
  5134. struct bnx2x *bp = params->bp;
  5135. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5136. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5137. CL22_WR_OVER_CL45(bp, phy,
  5138. bank,
  5139. MDIO_RX0_RX_EQ_BOOST,
  5140. phy->rx_preemphasis[i]);
  5141. }
  5142. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5143. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5144. CL22_WR_OVER_CL45(bp, phy,
  5145. bank,
  5146. MDIO_TX0_TX_DRIVER,
  5147. phy->tx_preemphasis[i]);
  5148. }
  5149. }
  5150. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5151. struct link_params *params,
  5152. struct link_vars *vars)
  5153. {
  5154. struct bnx2x *bp = params->bp;
  5155. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5156. (params->loopback_mode == LOOPBACK_XGXS));
  5157. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5158. if (SINGLE_MEDIA_DIRECT(params) &&
  5159. (params->feature_config_flags &
  5160. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5161. bnx2x_set_preemphasis(phy, params);
  5162. /* Forced speed requested? */
  5163. if (vars->line_speed != SPEED_AUTO_NEG ||
  5164. (SINGLE_MEDIA_DIRECT(params) &&
  5165. params->loopback_mode == LOOPBACK_EXT)) {
  5166. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5167. /* Disable autoneg */
  5168. bnx2x_set_autoneg(phy, params, vars, 0);
  5169. /* Program speed and duplex */
  5170. bnx2x_program_serdes(phy, params, vars);
  5171. } else { /* AN_mode */
  5172. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5173. /* AN enabled */
  5174. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5175. /* Program duplex & pause advertisement (for aneg) */
  5176. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5177. vars->ieee_fc);
  5178. /* Enable autoneg */
  5179. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5180. /* Enable and restart AN */
  5181. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5182. }
  5183. } else { /* SGMII mode */
  5184. DP(NETIF_MSG_LINK, "SGMII\n");
  5185. bnx2x_initialize_sgmii_process(phy, params, vars);
  5186. }
  5187. }
  5188. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5189. struct link_params *params,
  5190. struct link_vars *vars)
  5191. {
  5192. int rc;
  5193. vars->phy_flags |= PHY_XGXS_FLAG;
  5194. if ((phy->req_line_speed &&
  5195. ((phy->req_line_speed == SPEED_100) ||
  5196. (phy->req_line_speed == SPEED_10))) ||
  5197. (!phy->req_line_speed &&
  5198. (phy->speed_cap_mask >=
  5199. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5200. (phy->speed_cap_mask <
  5201. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5202. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5203. vars->phy_flags |= PHY_SGMII_FLAG;
  5204. else
  5205. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5206. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5207. bnx2x_set_aer_mmd(params, phy);
  5208. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5209. bnx2x_set_master_ln(params, phy);
  5210. rc = bnx2x_reset_unicore(params, phy, 0);
  5211. /* Reset the SerDes and wait for reset bit return low */
  5212. if (rc)
  5213. return rc;
  5214. bnx2x_set_aer_mmd(params, phy);
  5215. /* Setting the masterLn_def again after the reset */
  5216. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5217. bnx2x_set_master_ln(params, phy);
  5218. bnx2x_set_swap_lanes(params, phy);
  5219. }
  5220. return rc;
  5221. }
  5222. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5223. struct bnx2x_phy *phy,
  5224. struct link_params *params)
  5225. {
  5226. u16 cnt, ctrl;
  5227. /* Wait for soft reset to get cleared up to 1 sec */
  5228. for (cnt = 0; cnt < 1000; cnt++) {
  5229. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5230. bnx2x_cl22_read(bp, phy,
  5231. MDIO_PMA_REG_CTRL, &ctrl);
  5232. else
  5233. bnx2x_cl45_read(bp, phy,
  5234. MDIO_PMA_DEVAD,
  5235. MDIO_PMA_REG_CTRL, &ctrl);
  5236. if (!(ctrl & (1<<15)))
  5237. break;
  5238. usleep_range(1000, 2000);
  5239. }
  5240. if (cnt == 1000)
  5241. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5242. " Port %d\n",
  5243. params->port);
  5244. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5245. return cnt;
  5246. }
  5247. static void bnx2x_link_int_enable(struct link_params *params)
  5248. {
  5249. u8 port = params->port;
  5250. u32 mask;
  5251. struct bnx2x *bp = params->bp;
  5252. /* Setting the status to report on link up for either XGXS or SerDes */
  5253. if (CHIP_IS_E3(bp)) {
  5254. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5255. if (!(SINGLE_MEDIA_DIRECT(params)))
  5256. mask |= NIG_MASK_MI_INT;
  5257. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5258. mask = (NIG_MASK_XGXS0_LINK10G |
  5259. NIG_MASK_XGXS0_LINK_STATUS);
  5260. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5261. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5262. params->phy[INT_PHY].type !=
  5263. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5264. mask |= NIG_MASK_MI_INT;
  5265. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5266. }
  5267. } else { /* SerDes */
  5268. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5269. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5270. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5271. params->phy[INT_PHY].type !=
  5272. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5273. mask |= NIG_MASK_MI_INT;
  5274. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5275. }
  5276. }
  5277. bnx2x_bits_en(bp,
  5278. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5279. mask);
  5280. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5281. (params->switch_cfg == SWITCH_CFG_10G),
  5282. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5283. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5284. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5285. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5286. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5287. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5288. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5289. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5290. }
  5291. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5292. u8 exp_mi_int)
  5293. {
  5294. u32 latch_status = 0;
  5295. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5296. * status register. Link down indication is high-active-signal,
  5297. * so in this case we need to write the status to clear the XOR
  5298. */
  5299. /* Read Latched signals */
  5300. latch_status = REG_RD(bp,
  5301. NIG_REG_LATCH_STATUS_0 + port*8);
  5302. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5303. /* Handle only those with latched-signal=up.*/
  5304. if (exp_mi_int)
  5305. bnx2x_bits_en(bp,
  5306. NIG_REG_STATUS_INTERRUPT_PORT0
  5307. + port*4,
  5308. NIG_STATUS_EMAC0_MI_INT);
  5309. else
  5310. bnx2x_bits_dis(bp,
  5311. NIG_REG_STATUS_INTERRUPT_PORT0
  5312. + port*4,
  5313. NIG_STATUS_EMAC0_MI_INT);
  5314. if (latch_status & 1) {
  5315. /* For all latched-signal=up : Re-Arm Latch signals */
  5316. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5317. (latch_status & 0xfffe) | (latch_status & 1));
  5318. }
  5319. /* For all latched-signal=up,Write original_signal to status */
  5320. }
  5321. static void bnx2x_link_int_ack(struct link_params *params,
  5322. struct link_vars *vars, u8 is_10g_plus)
  5323. {
  5324. struct bnx2x *bp = params->bp;
  5325. u8 port = params->port;
  5326. u32 mask;
  5327. /* First reset all status we assume only one line will be
  5328. * change at a time
  5329. */
  5330. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5331. (NIG_STATUS_XGXS0_LINK10G |
  5332. NIG_STATUS_XGXS0_LINK_STATUS |
  5333. NIG_STATUS_SERDES0_LINK_STATUS));
  5334. if (vars->phy_link_up) {
  5335. if (USES_WARPCORE(bp))
  5336. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5337. else {
  5338. if (is_10g_plus)
  5339. mask = NIG_STATUS_XGXS0_LINK10G;
  5340. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5341. /* Disable the link interrupt by writing 1 to
  5342. * the relevant lane in the status register
  5343. */
  5344. u32 ser_lane =
  5345. ((params->lane_config &
  5346. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5347. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5348. mask = ((1 << ser_lane) <<
  5349. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5350. } else
  5351. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5352. }
  5353. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5354. mask);
  5355. bnx2x_bits_en(bp,
  5356. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5357. mask);
  5358. }
  5359. }
  5360. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5361. {
  5362. u8 *str_ptr = str;
  5363. u32 mask = 0xf0000000;
  5364. u8 shift = 8*4;
  5365. u8 digit;
  5366. u8 remove_leading_zeros = 1;
  5367. if (*len < 10) {
  5368. /* Need more than 10chars for this format */
  5369. *str_ptr = '\0';
  5370. (*len)--;
  5371. return -EINVAL;
  5372. }
  5373. while (shift > 0) {
  5374. shift -= 4;
  5375. digit = ((num & mask) >> shift);
  5376. if (digit == 0 && remove_leading_zeros) {
  5377. mask = mask >> 4;
  5378. continue;
  5379. } else if (digit < 0xa)
  5380. *str_ptr = digit + '0';
  5381. else
  5382. *str_ptr = digit - 0xa + 'a';
  5383. remove_leading_zeros = 0;
  5384. str_ptr++;
  5385. (*len)--;
  5386. mask = mask >> 4;
  5387. if (shift == 4*4) {
  5388. *str_ptr = '.';
  5389. str_ptr++;
  5390. (*len)--;
  5391. remove_leading_zeros = 1;
  5392. }
  5393. }
  5394. return 0;
  5395. }
  5396. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5397. {
  5398. str[0] = '\0';
  5399. (*len)--;
  5400. return 0;
  5401. }
  5402. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5403. u16 len)
  5404. {
  5405. struct bnx2x *bp;
  5406. u32 spirom_ver = 0;
  5407. int status = 0;
  5408. u8 *ver_p = version;
  5409. u16 remain_len = len;
  5410. if (version == NULL || params == NULL)
  5411. return -EINVAL;
  5412. bp = params->bp;
  5413. /* Extract first external phy*/
  5414. version[0] = '\0';
  5415. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5416. if (params->phy[EXT_PHY1].format_fw_ver) {
  5417. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5418. ver_p,
  5419. &remain_len);
  5420. ver_p += (len - remain_len);
  5421. }
  5422. if ((params->num_phys == MAX_PHYS) &&
  5423. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5424. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5425. if (params->phy[EXT_PHY2].format_fw_ver) {
  5426. *ver_p = '/';
  5427. ver_p++;
  5428. remain_len--;
  5429. status |= params->phy[EXT_PHY2].format_fw_ver(
  5430. spirom_ver,
  5431. ver_p,
  5432. &remain_len);
  5433. ver_p = version + (len - remain_len);
  5434. }
  5435. }
  5436. *ver_p = '\0';
  5437. return status;
  5438. }
  5439. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5440. struct link_params *params)
  5441. {
  5442. u8 port = params->port;
  5443. struct bnx2x *bp = params->bp;
  5444. if (phy->req_line_speed != SPEED_1000) {
  5445. u32 md_devad = 0;
  5446. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5447. if (!CHIP_IS_E3(bp)) {
  5448. /* Change the uni_phy_addr in the nig */
  5449. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5450. port*0x18));
  5451. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5452. 0x5);
  5453. }
  5454. bnx2x_cl45_write(bp, phy,
  5455. 5,
  5456. (MDIO_REG_BANK_AER_BLOCK +
  5457. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5458. 0x2800);
  5459. bnx2x_cl45_write(bp, phy,
  5460. 5,
  5461. (MDIO_REG_BANK_CL73_IEEEB0 +
  5462. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5463. 0x6041);
  5464. msleep(200);
  5465. /* Set aer mmd back */
  5466. bnx2x_set_aer_mmd(params, phy);
  5467. if (!CHIP_IS_E3(bp)) {
  5468. /* And md_devad */
  5469. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5470. md_devad);
  5471. }
  5472. } else {
  5473. u16 mii_ctrl;
  5474. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5475. bnx2x_cl45_read(bp, phy, 5,
  5476. (MDIO_REG_BANK_COMBO_IEEE0 +
  5477. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5478. &mii_ctrl);
  5479. bnx2x_cl45_write(bp, phy, 5,
  5480. (MDIO_REG_BANK_COMBO_IEEE0 +
  5481. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5482. mii_ctrl |
  5483. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5484. }
  5485. }
  5486. int bnx2x_set_led(struct link_params *params,
  5487. struct link_vars *vars, u8 mode, u32 speed)
  5488. {
  5489. u8 port = params->port;
  5490. u16 hw_led_mode = params->hw_led_mode;
  5491. int rc = 0;
  5492. u8 phy_idx;
  5493. u32 tmp;
  5494. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5495. struct bnx2x *bp = params->bp;
  5496. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5497. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5498. speed, hw_led_mode);
  5499. /* In case */
  5500. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5501. if (params->phy[phy_idx].set_link_led) {
  5502. params->phy[phy_idx].set_link_led(
  5503. &params->phy[phy_idx], params, mode);
  5504. }
  5505. }
  5506. switch (mode) {
  5507. case LED_MODE_FRONT_PANEL_OFF:
  5508. case LED_MODE_OFF:
  5509. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5510. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5511. SHARED_HW_CFG_LED_MAC1);
  5512. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5513. if (params->phy[EXT_PHY1].type ==
  5514. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5515. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5516. EMAC_LED_100MB_OVERRIDE |
  5517. EMAC_LED_10MB_OVERRIDE);
  5518. else
  5519. tmp |= EMAC_LED_OVERRIDE;
  5520. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5521. break;
  5522. case LED_MODE_OPER:
  5523. /* For all other phys, OPER mode is same as ON, so in case
  5524. * link is down, do nothing
  5525. */
  5526. if (!vars->link_up)
  5527. break;
  5528. case LED_MODE_ON:
  5529. if (((params->phy[EXT_PHY1].type ==
  5530. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5531. (params->phy[EXT_PHY1].type ==
  5532. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5533. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5534. /* This is a work-around for E2+8727 Configurations */
  5535. if (mode == LED_MODE_ON ||
  5536. speed == SPEED_10000){
  5537. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5538. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5539. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5540. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5541. (tmp | EMAC_LED_OVERRIDE));
  5542. /* Return here without enabling traffic
  5543. * LED blink and setting rate in ON mode.
  5544. * In oper mode, enabling LED blink
  5545. * and setting rate is needed.
  5546. */
  5547. if (mode == LED_MODE_ON)
  5548. return rc;
  5549. }
  5550. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5551. /* This is a work-around for HW issue found when link
  5552. * is up in CL73
  5553. */
  5554. if ((!CHIP_IS_E3(bp)) ||
  5555. (CHIP_IS_E3(bp) &&
  5556. mode == LED_MODE_ON))
  5557. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5558. if (CHIP_IS_E1x(bp) ||
  5559. CHIP_IS_E2(bp) ||
  5560. (mode == LED_MODE_ON))
  5561. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5562. else
  5563. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5564. hw_led_mode);
  5565. } else if ((params->phy[EXT_PHY1].type ==
  5566. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5567. (mode == LED_MODE_ON)) {
  5568. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5569. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5570. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5571. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5572. /* Break here; otherwise, it'll disable the
  5573. * intended override.
  5574. */
  5575. break;
  5576. } else
  5577. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5578. hw_led_mode);
  5579. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5580. /* Set blinking rate to ~15.9Hz */
  5581. if (CHIP_IS_E3(bp))
  5582. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5583. LED_BLINK_RATE_VAL_E3);
  5584. else
  5585. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5586. LED_BLINK_RATE_VAL_E1X_E2);
  5587. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5588. port*4, 1);
  5589. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5590. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5591. (tmp & (~EMAC_LED_OVERRIDE)));
  5592. if (CHIP_IS_E1(bp) &&
  5593. ((speed == SPEED_2500) ||
  5594. (speed == SPEED_1000) ||
  5595. (speed == SPEED_100) ||
  5596. (speed == SPEED_10))) {
  5597. /* For speeds less than 10G LED scheme is different */
  5598. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5599. + port*4, 1);
  5600. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5601. port*4, 0);
  5602. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5603. port*4, 1);
  5604. }
  5605. break;
  5606. default:
  5607. rc = -EINVAL;
  5608. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5609. mode);
  5610. break;
  5611. }
  5612. return rc;
  5613. }
  5614. /* This function comes to reflect the actual link state read DIRECTLY from the
  5615. * HW
  5616. */
  5617. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5618. u8 is_serdes)
  5619. {
  5620. struct bnx2x *bp = params->bp;
  5621. u16 gp_status = 0, phy_index = 0;
  5622. u8 ext_phy_link_up = 0, serdes_phy_type;
  5623. struct link_vars temp_vars;
  5624. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5625. if (CHIP_IS_E3(bp)) {
  5626. u16 link_up;
  5627. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5628. > SPEED_10000) {
  5629. /* Check 20G link */
  5630. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5631. 1, &link_up);
  5632. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5633. 1, &link_up);
  5634. link_up &= (1<<2);
  5635. } else {
  5636. /* Check 10G link and below*/
  5637. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5638. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5639. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5640. &gp_status);
  5641. gp_status = ((gp_status >> 8) & 0xf) |
  5642. ((gp_status >> 12) & 0xf);
  5643. link_up = gp_status & (1 << lane);
  5644. }
  5645. if (!link_up)
  5646. return -ESRCH;
  5647. } else {
  5648. CL22_RD_OVER_CL45(bp, int_phy,
  5649. MDIO_REG_BANK_GP_STATUS,
  5650. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5651. &gp_status);
  5652. /* Link is up only if both local phy and external phy are up */
  5653. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5654. return -ESRCH;
  5655. }
  5656. /* In XGXS loopback mode, do not check external PHY */
  5657. if (params->loopback_mode == LOOPBACK_XGXS)
  5658. return 0;
  5659. switch (params->num_phys) {
  5660. case 1:
  5661. /* No external PHY */
  5662. return 0;
  5663. case 2:
  5664. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5665. &params->phy[EXT_PHY1],
  5666. params, &temp_vars);
  5667. break;
  5668. case 3: /* Dual Media */
  5669. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5670. phy_index++) {
  5671. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5672. ETH_PHY_SFPP_10G_FIBER) ||
  5673. (params->phy[phy_index].media_type ==
  5674. ETH_PHY_SFP_1G_FIBER) ||
  5675. (params->phy[phy_index].media_type ==
  5676. ETH_PHY_XFP_FIBER) ||
  5677. (params->phy[phy_index].media_type ==
  5678. ETH_PHY_DA_TWINAX));
  5679. if (is_serdes != serdes_phy_type)
  5680. continue;
  5681. if (params->phy[phy_index].read_status) {
  5682. ext_phy_link_up |=
  5683. params->phy[phy_index].read_status(
  5684. &params->phy[phy_index],
  5685. params, &temp_vars);
  5686. }
  5687. }
  5688. break;
  5689. }
  5690. if (ext_phy_link_up)
  5691. return 0;
  5692. return -ESRCH;
  5693. }
  5694. static int bnx2x_link_initialize(struct link_params *params,
  5695. struct link_vars *vars)
  5696. {
  5697. int rc = 0;
  5698. u8 phy_index, non_ext_phy;
  5699. struct bnx2x *bp = params->bp;
  5700. /* In case of external phy existence, the line speed would be the
  5701. * line speed linked up by the external phy. In case it is direct
  5702. * only, then the line_speed during initialization will be
  5703. * equal to the req_line_speed
  5704. */
  5705. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5706. /* Initialize the internal phy in case this is a direct board
  5707. * (no external phys), or this board has external phy which requires
  5708. * to first.
  5709. */
  5710. if (!USES_WARPCORE(bp))
  5711. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5712. /* init ext phy and enable link state int */
  5713. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5714. (params->loopback_mode == LOOPBACK_XGXS));
  5715. if (non_ext_phy ||
  5716. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5717. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5718. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5719. if (vars->line_speed == SPEED_AUTO_NEG &&
  5720. (CHIP_IS_E1x(bp) ||
  5721. CHIP_IS_E2(bp)))
  5722. bnx2x_set_parallel_detection(phy, params);
  5723. if (params->phy[INT_PHY].config_init)
  5724. params->phy[INT_PHY].config_init(phy, params, vars);
  5725. }
  5726. /* Re-read this value in case it was changed inside config_init due to
  5727. * limitations of optic module
  5728. */
  5729. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5730. /* Init external phy*/
  5731. if (non_ext_phy) {
  5732. if (params->phy[INT_PHY].supported &
  5733. SUPPORTED_FIBRE)
  5734. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5735. } else {
  5736. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5737. phy_index++) {
  5738. /* No need to initialize second phy in case of first
  5739. * phy only selection. In case of second phy, we do
  5740. * need to initialize the first phy, since they are
  5741. * connected.
  5742. */
  5743. if (params->phy[phy_index].supported &
  5744. SUPPORTED_FIBRE)
  5745. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5746. if (phy_index == EXT_PHY2 &&
  5747. (bnx2x_phy_selection(params) ==
  5748. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5749. DP(NETIF_MSG_LINK,
  5750. "Not initializing second phy\n");
  5751. continue;
  5752. }
  5753. params->phy[phy_index].config_init(
  5754. &params->phy[phy_index],
  5755. params, vars);
  5756. }
  5757. }
  5758. /* Reset the interrupt indication after phy was initialized */
  5759. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5760. params->port*4,
  5761. (NIG_STATUS_XGXS0_LINK10G |
  5762. NIG_STATUS_XGXS0_LINK_STATUS |
  5763. NIG_STATUS_SERDES0_LINK_STATUS |
  5764. NIG_MASK_MI_INT));
  5765. return rc;
  5766. }
  5767. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5768. struct link_params *params)
  5769. {
  5770. /* Reset the SerDes/XGXS */
  5771. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5772. (0x1ff << (params->port*16)));
  5773. }
  5774. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5775. struct link_params *params)
  5776. {
  5777. struct bnx2x *bp = params->bp;
  5778. u8 gpio_port;
  5779. /* HW reset */
  5780. if (CHIP_IS_E2(bp))
  5781. gpio_port = BP_PATH(bp);
  5782. else
  5783. gpio_port = params->port;
  5784. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5785. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5786. gpio_port);
  5787. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5788. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5789. gpio_port);
  5790. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5791. }
  5792. static int bnx2x_update_link_down(struct link_params *params,
  5793. struct link_vars *vars)
  5794. {
  5795. struct bnx2x *bp = params->bp;
  5796. u8 port = params->port;
  5797. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5798. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5799. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5800. /* Indicate no mac active */
  5801. vars->mac_type = MAC_TYPE_NONE;
  5802. /* Update shared memory */
  5803. vars->link_status &= ~LINK_UPDATE_MASK;
  5804. vars->line_speed = 0;
  5805. bnx2x_update_mng(params, vars->link_status);
  5806. /* Activate nig drain */
  5807. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5808. /* Disable emac */
  5809. if (!CHIP_IS_E3(bp))
  5810. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5811. usleep_range(10000, 20000);
  5812. /* Reset BigMac/Xmac */
  5813. if (CHIP_IS_E1x(bp) ||
  5814. CHIP_IS_E2(bp))
  5815. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5816. if (CHIP_IS_E3(bp)) {
  5817. /* Prevent LPI Generation by chip */
  5818. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5819. 0);
  5820. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5821. 0);
  5822. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5823. SHMEM_EEE_ACTIVE_BIT);
  5824. bnx2x_update_mng_eee(params, vars->eee_status);
  5825. bnx2x_set_xmac_rxtx(params, 0);
  5826. bnx2x_set_umac_rxtx(params, 0);
  5827. }
  5828. return 0;
  5829. }
  5830. static int bnx2x_update_link_up(struct link_params *params,
  5831. struct link_vars *vars,
  5832. u8 link_10g)
  5833. {
  5834. struct bnx2x *bp = params->bp;
  5835. u8 phy_idx, port = params->port;
  5836. int rc = 0;
  5837. vars->link_status |= (LINK_STATUS_LINK_UP |
  5838. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5839. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5840. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5841. vars->link_status |=
  5842. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5843. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5844. vars->link_status |=
  5845. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5846. if (USES_WARPCORE(bp)) {
  5847. if (link_10g) {
  5848. if (bnx2x_xmac_enable(params, vars, 0) ==
  5849. -ESRCH) {
  5850. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5851. vars->link_up = 0;
  5852. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5853. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5854. }
  5855. } else
  5856. bnx2x_umac_enable(params, vars, 0);
  5857. bnx2x_set_led(params, vars,
  5858. LED_MODE_OPER, vars->line_speed);
  5859. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5860. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5861. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5862. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5863. (params->port << 2), 1);
  5864. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5865. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5866. (params->port << 2), 0xfc20);
  5867. }
  5868. }
  5869. if ((CHIP_IS_E1x(bp) ||
  5870. CHIP_IS_E2(bp))) {
  5871. if (link_10g) {
  5872. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5873. -ESRCH) {
  5874. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5875. vars->link_up = 0;
  5876. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5877. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5878. }
  5879. bnx2x_set_led(params, vars,
  5880. LED_MODE_OPER, SPEED_10000);
  5881. } else {
  5882. rc = bnx2x_emac_program(params, vars);
  5883. bnx2x_emac_enable(params, vars, 0);
  5884. /* AN complete? */
  5885. if ((vars->link_status &
  5886. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5887. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5888. SINGLE_MEDIA_DIRECT(params))
  5889. bnx2x_set_gmii_tx_driver(params);
  5890. }
  5891. }
  5892. /* PBF - link up */
  5893. if (CHIP_IS_E1x(bp))
  5894. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5895. vars->line_speed);
  5896. /* Disable drain */
  5897. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5898. /* Update shared memory */
  5899. bnx2x_update_mng(params, vars->link_status);
  5900. bnx2x_update_mng_eee(params, vars->eee_status);
  5901. /* Check remote fault */
  5902. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5903. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5904. bnx2x_check_half_open_conn(params, vars, 0);
  5905. break;
  5906. }
  5907. }
  5908. msleep(20);
  5909. return rc;
  5910. }
  5911. /* The bnx2x_link_update function should be called upon link
  5912. * interrupt.
  5913. * Link is considered up as follows:
  5914. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5915. * to be up
  5916. * - SINGLE_MEDIA - The link between the 577xx and the external
  5917. * phy (XGXS) need to up as well as the external link of the
  5918. * phy (PHY_EXT1)
  5919. * - DUAL_MEDIA - The link between the 577xx and the first
  5920. * external phy needs to be up, and at least one of the 2
  5921. * external phy link must be up.
  5922. */
  5923. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5924. {
  5925. struct bnx2x *bp = params->bp;
  5926. struct link_vars phy_vars[MAX_PHYS];
  5927. u8 port = params->port;
  5928. u8 link_10g_plus, phy_index;
  5929. u8 ext_phy_link_up = 0, cur_link_up;
  5930. int rc = 0;
  5931. u8 is_mi_int = 0;
  5932. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5933. u8 active_external_phy = INT_PHY;
  5934. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5935. vars->link_status &= ~LINK_UPDATE_MASK;
  5936. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5937. phy_index++) {
  5938. phy_vars[phy_index].flow_ctrl = 0;
  5939. phy_vars[phy_index].link_status = 0;
  5940. phy_vars[phy_index].line_speed = 0;
  5941. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5942. phy_vars[phy_index].phy_link_up = 0;
  5943. phy_vars[phy_index].link_up = 0;
  5944. phy_vars[phy_index].fault_detected = 0;
  5945. /* different consideration, since vars holds inner state */
  5946. phy_vars[phy_index].eee_status = vars->eee_status;
  5947. }
  5948. if (USES_WARPCORE(bp))
  5949. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5950. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5951. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5952. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5953. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5954. port*0x18) > 0);
  5955. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5956. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5957. is_mi_int,
  5958. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5959. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5960. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5961. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5962. /* Disable emac */
  5963. if (!CHIP_IS_E3(bp))
  5964. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5965. /* Step 1:
  5966. * Check external link change only for external phys, and apply
  5967. * priority selection between them in case the link on both phys
  5968. * is up. Note that instead of the common vars, a temporary
  5969. * vars argument is used since each phy may have different link/
  5970. * speed/duplex result
  5971. */
  5972. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5973. phy_index++) {
  5974. struct bnx2x_phy *phy = &params->phy[phy_index];
  5975. if (!phy->read_status)
  5976. continue;
  5977. /* Read link status and params of this ext phy */
  5978. cur_link_up = phy->read_status(phy, params,
  5979. &phy_vars[phy_index]);
  5980. if (cur_link_up) {
  5981. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5982. phy_index);
  5983. } else {
  5984. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5985. phy_index);
  5986. continue;
  5987. }
  5988. if (!ext_phy_link_up) {
  5989. ext_phy_link_up = 1;
  5990. active_external_phy = phy_index;
  5991. } else {
  5992. switch (bnx2x_phy_selection(params)) {
  5993. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5994. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5995. /* In this option, the first PHY makes sure to pass the
  5996. * traffic through itself only.
  5997. * Its not clear how to reset the link on the second phy
  5998. */
  5999. active_external_phy = EXT_PHY1;
  6000. break;
  6001. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6002. /* In this option, the first PHY makes sure to pass the
  6003. * traffic through the second PHY.
  6004. */
  6005. active_external_phy = EXT_PHY2;
  6006. break;
  6007. default:
  6008. /* Link indication on both PHYs with the following cases
  6009. * is invalid:
  6010. * - FIRST_PHY means that second phy wasn't initialized,
  6011. * hence its link is expected to be down
  6012. * - SECOND_PHY means that first phy should not be able
  6013. * to link up by itself (using configuration)
  6014. * - DEFAULT should be overriden during initialiazation
  6015. */
  6016. DP(NETIF_MSG_LINK, "Invalid link indication"
  6017. "mpc=0x%x. DISABLING LINK !!!\n",
  6018. params->multi_phy_config);
  6019. ext_phy_link_up = 0;
  6020. break;
  6021. }
  6022. }
  6023. }
  6024. prev_line_speed = vars->line_speed;
  6025. /* Step 2:
  6026. * Read the status of the internal phy. In case of
  6027. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6028. * otherwise this is the link between the 577xx and the first
  6029. * external phy
  6030. */
  6031. if (params->phy[INT_PHY].read_status)
  6032. params->phy[INT_PHY].read_status(
  6033. &params->phy[INT_PHY],
  6034. params, vars);
  6035. /* The INT_PHY flow control reside in the vars. This include the
  6036. * case where the speed or flow control are not set to AUTO.
  6037. * Otherwise, the active external phy flow control result is set
  6038. * to the vars. The ext_phy_line_speed is needed to check if the
  6039. * speed is different between the internal phy and external phy.
  6040. * This case may be result of intermediate link speed change.
  6041. */
  6042. if (active_external_phy > INT_PHY) {
  6043. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6044. /* Link speed is taken from the XGXS. AN and FC result from
  6045. * the external phy.
  6046. */
  6047. vars->link_status |= phy_vars[active_external_phy].link_status;
  6048. /* if active_external_phy is first PHY and link is up - disable
  6049. * disable TX on second external PHY
  6050. */
  6051. if (active_external_phy == EXT_PHY1) {
  6052. if (params->phy[EXT_PHY2].phy_specific_func) {
  6053. DP(NETIF_MSG_LINK,
  6054. "Disabling TX on EXT_PHY2\n");
  6055. params->phy[EXT_PHY2].phy_specific_func(
  6056. &params->phy[EXT_PHY2],
  6057. params, DISABLE_TX);
  6058. }
  6059. }
  6060. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6061. vars->duplex = phy_vars[active_external_phy].duplex;
  6062. if (params->phy[active_external_phy].supported &
  6063. SUPPORTED_FIBRE)
  6064. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6065. else
  6066. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6067. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6068. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6069. active_external_phy);
  6070. }
  6071. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6072. phy_index++) {
  6073. if (params->phy[phy_index].flags &
  6074. FLAGS_REARM_LATCH_SIGNAL) {
  6075. bnx2x_rearm_latch_signal(bp, port,
  6076. phy_index ==
  6077. active_external_phy);
  6078. break;
  6079. }
  6080. }
  6081. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6082. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6083. vars->link_status, ext_phy_line_speed);
  6084. /* Upon link speed change set the NIG into drain mode. Comes to
  6085. * deals with possible FIFO glitch due to clk change when speed
  6086. * is decreased without link down indicator
  6087. */
  6088. if (vars->phy_link_up) {
  6089. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6090. (ext_phy_line_speed != vars->line_speed)) {
  6091. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6092. " different than the external"
  6093. " link speed %d\n", vars->line_speed,
  6094. ext_phy_line_speed);
  6095. vars->phy_link_up = 0;
  6096. } else if (prev_line_speed != vars->line_speed) {
  6097. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6098. 0);
  6099. usleep_range(1000, 2000);
  6100. }
  6101. }
  6102. /* Anything 10 and over uses the bmac */
  6103. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6104. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6105. /* In case external phy link is up, and internal link is down
  6106. * (not initialized yet probably after link initialization, it
  6107. * needs to be initialized.
  6108. * Note that after link down-up as result of cable plug, the xgxs
  6109. * link would probably become up again without the need
  6110. * initialize it
  6111. */
  6112. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6113. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6114. " init_preceding = %d\n", ext_phy_link_up,
  6115. vars->phy_link_up,
  6116. params->phy[EXT_PHY1].flags &
  6117. FLAGS_INIT_XGXS_FIRST);
  6118. if (!(params->phy[EXT_PHY1].flags &
  6119. FLAGS_INIT_XGXS_FIRST)
  6120. && ext_phy_link_up && !vars->phy_link_up) {
  6121. vars->line_speed = ext_phy_line_speed;
  6122. if (vars->line_speed < SPEED_1000)
  6123. vars->phy_flags |= PHY_SGMII_FLAG;
  6124. else
  6125. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6126. if (params->phy[INT_PHY].config_init)
  6127. params->phy[INT_PHY].config_init(
  6128. &params->phy[INT_PHY], params,
  6129. vars);
  6130. }
  6131. }
  6132. /* Link is up only if both local phy and external phy (in case of
  6133. * non-direct board) are up and no fault detected on active PHY.
  6134. */
  6135. vars->link_up = (vars->phy_link_up &&
  6136. (ext_phy_link_up ||
  6137. SINGLE_MEDIA_DIRECT(params)) &&
  6138. (phy_vars[active_external_phy].fault_detected == 0));
  6139. /* Update the PFC configuration in case it was changed */
  6140. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6141. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6142. else
  6143. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6144. if (vars->link_up)
  6145. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6146. else
  6147. rc = bnx2x_update_link_down(params, vars);
  6148. /* Update MCP link status was changed */
  6149. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6150. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6151. return rc;
  6152. }
  6153. /*****************************************************************************/
  6154. /* External Phy section */
  6155. /*****************************************************************************/
  6156. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6157. {
  6158. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6159. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6160. usleep_range(1000, 2000);
  6161. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6162. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6163. }
  6164. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6165. u32 spirom_ver, u32 ver_addr)
  6166. {
  6167. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6168. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6169. if (ver_addr)
  6170. REG_WR(bp, ver_addr, spirom_ver);
  6171. }
  6172. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6173. struct bnx2x_phy *phy,
  6174. u8 port)
  6175. {
  6176. u16 fw_ver1, fw_ver2;
  6177. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6178. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6179. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6180. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6181. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6182. phy->ver_addr);
  6183. }
  6184. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6185. struct bnx2x_phy *phy,
  6186. struct link_vars *vars)
  6187. {
  6188. u16 val;
  6189. bnx2x_cl45_read(bp, phy,
  6190. MDIO_AN_DEVAD,
  6191. MDIO_AN_REG_STATUS, &val);
  6192. bnx2x_cl45_read(bp, phy,
  6193. MDIO_AN_DEVAD,
  6194. MDIO_AN_REG_STATUS, &val);
  6195. if (val & (1<<5))
  6196. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6197. if ((val & (1<<0)) == 0)
  6198. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6199. }
  6200. /******************************************************************/
  6201. /* common BCM8073/BCM8727 PHY SECTION */
  6202. /******************************************************************/
  6203. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6204. struct link_params *params,
  6205. struct link_vars *vars)
  6206. {
  6207. struct bnx2x *bp = params->bp;
  6208. if (phy->req_line_speed == SPEED_10 ||
  6209. phy->req_line_speed == SPEED_100) {
  6210. vars->flow_ctrl = phy->req_flow_ctrl;
  6211. return;
  6212. }
  6213. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6214. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6215. u16 pause_result;
  6216. u16 ld_pause; /* local */
  6217. u16 lp_pause; /* link partner */
  6218. bnx2x_cl45_read(bp, phy,
  6219. MDIO_AN_DEVAD,
  6220. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6221. bnx2x_cl45_read(bp, phy,
  6222. MDIO_AN_DEVAD,
  6223. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6224. pause_result = (ld_pause &
  6225. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6226. pause_result |= (lp_pause &
  6227. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6228. bnx2x_pause_resolve(vars, pause_result);
  6229. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6230. pause_result);
  6231. }
  6232. }
  6233. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6234. struct bnx2x_phy *phy,
  6235. u8 port)
  6236. {
  6237. u32 count = 0;
  6238. u16 fw_ver1, fw_msgout;
  6239. int rc = 0;
  6240. /* Boot port from external ROM */
  6241. /* EDC grst */
  6242. bnx2x_cl45_write(bp, phy,
  6243. MDIO_PMA_DEVAD,
  6244. MDIO_PMA_REG_GEN_CTRL,
  6245. 0x0001);
  6246. /* Ucode reboot and rst */
  6247. bnx2x_cl45_write(bp, phy,
  6248. MDIO_PMA_DEVAD,
  6249. MDIO_PMA_REG_GEN_CTRL,
  6250. 0x008c);
  6251. bnx2x_cl45_write(bp, phy,
  6252. MDIO_PMA_DEVAD,
  6253. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6254. /* Reset internal microprocessor */
  6255. bnx2x_cl45_write(bp, phy,
  6256. MDIO_PMA_DEVAD,
  6257. MDIO_PMA_REG_GEN_CTRL,
  6258. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6259. /* Release srst bit */
  6260. bnx2x_cl45_write(bp, phy,
  6261. MDIO_PMA_DEVAD,
  6262. MDIO_PMA_REG_GEN_CTRL,
  6263. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6264. /* Delay 100ms per the PHY specifications */
  6265. msleep(100);
  6266. /* 8073 sometimes taking longer to download */
  6267. do {
  6268. count++;
  6269. if (count > 300) {
  6270. DP(NETIF_MSG_LINK,
  6271. "bnx2x_8073_8727_external_rom_boot port %x:"
  6272. "Download failed. fw version = 0x%x\n",
  6273. port, fw_ver1);
  6274. rc = -EINVAL;
  6275. break;
  6276. }
  6277. bnx2x_cl45_read(bp, phy,
  6278. MDIO_PMA_DEVAD,
  6279. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6280. bnx2x_cl45_read(bp, phy,
  6281. MDIO_PMA_DEVAD,
  6282. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6283. usleep_range(1000, 2000);
  6284. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6285. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6286. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6287. /* Clear ser_boot_ctl bit */
  6288. bnx2x_cl45_write(bp, phy,
  6289. MDIO_PMA_DEVAD,
  6290. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6291. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6292. DP(NETIF_MSG_LINK,
  6293. "bnx2x_8073_8727_external_rom_boot port %x:"
  6294. "Download complete. fw version = 0x%x\n",
  6295. port, fw_ver1);
  6296. return rc;
  6297. }
  6298. /******************************************************************/
  6299. /* BCM8073 PHY SECTION */
  6300. /******************************************************************/
  6301. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6302. {
  6303. /* This is only required for 8073A1, version 102 only */
  6304. u16 val;
  6305. /* Read 8073 HW revision*/
  6306. bnx2x_cl45_read(bp, phy,
  6307. MDIO_PMA_DEVAD,
  6308. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6309. if (val != 1) {
  6310. /* No need to workaround in 8073 A1 */
  6311. return 0;
  6312. }
  6313. bnx2x_cl45_read(bp, phy,
  6314. MDIO_PMA_DEVAD,
  6315. MDIO_PMA_REG_ROM_VER2, &val);
  6316. /* SNR should be applied only for version 0x102 */
  6317. if (val != 0x102)
  6318. return 0;
  6319. return 1;
  6320. }
  6321. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6322. {
  6323. u16 val, cnt, cnt1 ;
  6324. bnx2x_cl45_read(bp, phy,
  6325. MDIO_PMA_DEVAD,
  6326. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6327. if (val > 0) {
  6328. /* No need to workaround in 8073 A1 */
  6329. return 0;
  6330. }
  6331. /* XAUI workaround in 8073 A0: */
  6332. /* After loading the boot ROM and restarting Autoneg, poll
  6333. * Dev1, Reg $C820:
  6334. */
  6335. for (cnt = 0; cnt < 1000; cnt++) {
  6336. bnx2x_cl45_read(bp, phy,
  6337. MDIO_PMA_DEVAD,
  6338. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6339. &val);
  6340. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6341. * system initialization (XAUI work-around not required, as
  6342. * these bits indicate 2.5G or 1G link up).
  6343. */
  6344. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6345. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6346. return 0;
  6347. } else if (!(val & (1<<15))) {
  6348. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6349. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6350. * MSB (bit15) goes to 1 (indicating that the XAUI
  6351. * workaround has completed), then continue on with
  6352. * system initialization.
  6353. */
  6354. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6355. bnx2x_cl45_read(bp, phy,
  6356. MDIO_PMA_DEVAD,
  6357. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6358. if (val & (1<<15)) {
  6359. DP(NETIF_MSG_LINK,
  6360. "XAUI workaround has completed\n");
  6361. return 0;
  6362. }
  6363. usleep_range(3000, 6000);
  6364. }
  6365. break;
  6366. }
  6367. usleep_range(3000, 6000);
  6368. }
  6369. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6370. return -EINVAL;
  6371. }
  6372. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6373. {
  6374. /* Force KR or KX */
  6375. bnx2x_cl45_write(bp, phy,
  6376. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6377. bnx2x_cl45_write(bp, phy,
  6378. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6379. bnx2x_cl45_write(bp, phy,
  6380. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6381. bnx2x_cl45_write(bp, phy,
  6382. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6383. }
  6384. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6385. struct bnx2x_phy *phy,
  6386. struct link_vars *vars)
  6387. {
  6388. u16 cl37_val;
  6389. struct bnx2x *bp = params->bp;
  6390. bnx2x_cl45_read(bp, phy,
  6391. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6392. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6393. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6394. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6395. if ((vars->ieee_fc &
  6396. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6397. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6398. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6399. }
  6400. if ((vars->ieee_fc &
  6401. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6402. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6403. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6404. }
  6405. if ((vars->ieee_fc &
  6406. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6407. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6408. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6409. }
  6410. DP(NETIF_MSG_LINK,
  6411. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6412. bnx2x_cl45_write(bp, phy,
  6413. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6414. msleep(500);
  6415. }
  6416. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6417. struct link_params *params,
  6418. u32 action)
  6419. {
  6420. struct bnx2x *bp = params->bp;
  6421. switch (action) {
  6422. case PHY_INIT:
  6423. /* Enable LASI */
  6424. bnx2x_cl45_write(bp, phy,
  6425. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6426. bnx2x_cl45_write(bp, phy,
  6427. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6428. break;
  6429. }
  6430. }
  6431. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6432. struct link_params *params,
  6433. struct link_vars *vars)
  6434. {
  6435. struct bnx2x *bp = params->bp;
  6436. u16 val = 0, tmp1;
  6437. u8 gpio_port;
  6438. DP(NETIF_MSG_LINK, "Init 8073\n");
  6439. if (CHIP_IS_E2(bp))
  6440. gpio_port = BP_PATH(bp);
  6441. else
  6442. gpio_port = params->port;
  6443. /* Restore normal power mode*/
  6444. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6445. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6446. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6447. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6448. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6449. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6450. bnx2x_cl45_read(bp, phy,
  6451. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6452. bnx2x_cl45_read(bp, phy,
  6453. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6454. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6455. /* Swap polarity if required - Must be done only in non-1G mode */
  6456. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6457. /* Configure the 8073 to swap _P and _N of the KR lines */
  6458. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6459. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6460. bnx2x_cl45_read(bp, phy,
  6461. MDIO_PMA_DEVAD,
  6462. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6463. bnx2x_cl45_write(bp, phy,
  6464. MDIO_PMA_DEVAD,
  6465. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6466. (val | (3<<9)));
  6467. }
  6468. /* Enable CL37 BAM */
  6469. if (REG_RD(bp, params->shmem_base +
  6470. offsetof(struct shmem_region, dev_info.
  6471. port_hw_config[params->port].default_cfg)) &
  6472. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6473. bnx2x_cl45_read(bp, phy,
  6474. MDIO_AN_DEVAD,
  6475. MDIO_AN_REG_8073_BAM, &val);
  6476. bnx2x_cl45_write(bp, phy,
  6477. MDIO_AN_DEVAD,
  6478. MDIO_AN_REG_8073_BAM, val | 1);
  6479. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6480. }
  6481. if (params->loopback_mode == LOOPBACK_EXT) {
  6482. bnx2x_807x_force_10G(bp, phy);
  6483. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6484. return 0;
  6485. } else {
  6486. bnx2x_cl45_write(bp, phy,
  6487. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6488. }
  6489. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6490. if (phy->req_line_speed == SPEED_10000) {
  6491. val = (1<<7);
  6492. } else if (phy->req_line_speed == SPEED_2500) {
  6493. val = (1<<5);
  6494. /* Note that 2.5G works only when used with 1G
  6495. * advertisement
  6496. */
  6497. } else
  6498. val = (1<<5);
  6499. } else {
  6500. val = 0;
  6501. if (phy->speed_cap_mask &
  6502. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6503. val |= (1<<7);
  6504. /* Note that 2.5G works only when used with 1G advertisement */
  6505. if (phy->speed_cap_mask &
  6506. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6507. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6508. val |= (1<<5);
  6509. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6510. }
  6511. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6512. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6513. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6514. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6515. (phy->req_line_speed == SPEED_2500)) {
  6516. u16 phy_ver;
  6517. /* Allow 2.5G for A1 and above */
  6518. bnx2x_cl45_read(bp, phy,
  6519. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6520. &phy_ver);
  6521. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6522. if (phy_ver > 0)
  6523. tmp1 |= 1;
  6524. else
  6525. tmp1 &= 0xfffe;
  6526. } else {
  6527. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6528. tmp1 &= 0xfffe;
  6529. }
  6530. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6531. /* Add support for CL37 (passive mode) II */
  6532. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6533. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6534. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6535. 0x20 : 0x40)));
  6536. /* Add support for CL37 (passive mode) III */
  6537. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6538. /* The SNR will improve about 2db by changing BW and FEE main
  6539. * tap. Rest commands are executed after link is up
  6540. * Change FFE main cursor to 5 in EDC register
  6541. */
  6542. if (bnx2x_8073_is_snr_needed(bp, phy))
  6543. bnx2x_cl45_write(bp, phy,
  6544. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6545. 0xFB0C);
  6546. /* Enable FEC (Forware Error Correction) Request in the AN */
  6547. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6548. tmp1 |= (1<<15);
  6549. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6550. bnx2x_ext_phy_set_pause(params, phy, vars);
  6551. /* Restart autoneg */
  6552. msleep(500);
  6553. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6554. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6555. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6556. return 0;
  6557. }
  6558. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6559. struct link_params *params,
  6560. struct link_vars *vars)
  6561. {
  6562. struct bnx2x *bp = params->bp;
  6563. u8 link_up = 0;
  6564. u16 val1, val2;
  6565. u16 link_status = 0;
  6566. u16 an1000_status = 0;
  6567. bnx2x_cl45_read(bp, phy,
  6568. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6569. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6570. /* Clear the interrupt LASI status register */
  6571. bnx2x_cl45_read(bp, phy,
  6572. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6573. bnx2x_cl45_read(bp, phy,
  6574. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6575. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6576. /* Clear MSG-OUT */
  6577. bnx2x_cl45_read(bp, phy,
  6578. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6579. /* Check the LASI */
  6580. bnx2x_cl45_read(bp, phy,
  6581. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6582. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6583. /* Check the link status */
  6584. bnx2x_cl45_read(bp, phy,
  6585. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6586. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6587. bnx2x_cl45_read(bp, phy,
  6588. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6589. bnx2x_cl45_read(bp, phy,
  6590. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6591. link_up = ((val1 & 4) == 4);
  6592. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6593. if (link_up &&
  6594. ((phy->req_line_speed != SPEED_10000))) {
  6595. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6596. return 0;
  6597. }
  6598. bnx2x_cl45_read(bp, phy,
  6599. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6600. bnx2x_cl45_read(bp, phy,
  6601. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6602. /* Check the link status on 1.1.2 */
  6603. bnx2x_cl45_read(bp, phy,
  6604. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6605. bnx2x_cl45_read(bp, phy,
  6606. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6607. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6608. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6609. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6610. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6611. /* The SNR will improve about 2dbby changing the BW and FEE main
  6612. * tap. The 1st write to change FFE main tap is set before
  6613. * restart AN. Change PLL Bandwidth in EDC register
  6614. */
  6615. bnx2x_cl45_write(bp, phy,
  6616. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6617. 0x26BC);
  6618. /* Change CDR Bandwidth in EDC register */
  6619. bnx2x_cl45_write(bp, phy,
  6620. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6621. 0x0333);
  6622. }
  6623. bnx2x_cl45_read(bp, phy,
  6624. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6625. &link_status);
  6626. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6627. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6628. link_up = 1;
  6629. vars->line_speed = SPEED_10000;
  6630. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6631. params->port);
  6632. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6633. link_up = 1;
  6634. vars->line_speed = SPEED_2500;
  6635. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6636. params->port);
  6637. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6638. link_up = 1;
  6639. vars->line_speed = SPEED_1000;
  6640. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6641. params->port);
  6642. } else {
  6643. link_up = 0;
  6644. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6645. params->port);
  6646. }
  6647. if (link_up) {
  6648. /* Swap polarity if required */
  6649. if (params->lane_config &
  6650. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6651. /* Configure the 8073 to swap P and N of the KR lines */
  6652. bnx2x_cl45_read(bp, phy,
  6653. MDIO_XS_DEVAD,
  6654. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6655. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6656. * when it`s in 10G mode.
  6657. */
  6658. if (vars->line_speed == SPEED_1000) {
  6659. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6660. "the 8073\n");
  6661. val1 |= (1<<3);
  6662. } else
  6663. val1 &= ~(1<<3);
  6664. bnx2x_cl45_write(bp, phy,
  6665. MDIO_XS_DEVAD,
  6666. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6667. val1);
  6668. }
  6669. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6670. bnx2x_8073_resolve_fc(phy, params, vars);
  6671. vars->duplex = DUPLEX_FULL;
  6672. }
  6673. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6674. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6675. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6676. if (val1 & (1<<5))
  6677. vars->link_status |=
  6678. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6679. if (val1 & (1<<7))
  6680. vars->link_status |=
  6681. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6682. }
  6683. return link_up;
  6684. }
  6685. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6686. struct link_params *params)
  6687. {
  6688. struct bnx2x *bp = params->bp;
  6689. u8 gpio_port;
  6690. if (CHIP_IS_E2(bp))
  6691. gpio_port = BP_PATH(bp);
  6692. else
  6693. gpio_port = params->port;
  6694. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6695. gpio_port);
  6696. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6697. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6698. gpio_port);
  6699. }
  6700. /******************************************************************/
  6701. /* BCM8705 PHY SECTION */
  6702. /******************************************************************/
  6703. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6704. struct link_params *params,
  6705. struct link_vars *vars)
  6706. {
  6707. struct bnx2x *bp = params->bp;
  6708. DP(NETIF_MSG_LINK, "init 8705\n");
  6709. /* Restore normal power mode*/
  6710. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6711. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6712. /* HW reset */
  6713. bnx2x_ext_phy_hw_reset(bp, params->port);
  6714. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6715. bnx2x_wait_reset_complete(bp, phy, params);
  6716. bnx2x_cl45_write(bp, phy,
  6717. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6718. bnx2x_cl45_write(bp, phy,
  6719. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6720. bnx2x_cl45_write(bp, phy,
  6721. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6722. bnx2x_cl45_write(bp, phy,
  6723. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6724. /* BCM8705 doesn't have microcode, hence the 0 */
  6725. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6726. return 0;
  6727. }
  6728. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6729. struct link_params *params,
  6730. struct link_vars *vars)
  6731. {
  6732. u8 link_up = 0;
  6733. u16 val1, rx_sd;
  6734. struct bnx2x *bp = params->bp;
  6735. DP(NETIF_MSG_LINK, "read status 8705\n");
  6736. bnx2x_cl45_read(bp, phy,
  6737. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6738. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6739. bnx2x_cl45_read(bp, phy,
  6740. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6741. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6742. bnx2x_cl45_read(bp, phy,
  6743. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6744. bnx2x_cl45_read(bp, phy,
  6745. MDIO_PMA_DEVAD, 0xc809, &val1);
  6746. bnx2x_cl45_read(bp, phy,
  6747. MDIO_PMA_DEVAD, 0xc809, &val1);
  6748. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6749. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6750. if (link_up) {
  6751. vars->line_speed = SPEED_10000;
  6752. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6753. }
  6754. return link_up;
  6755. }
  6756. /******************************************************************/
  6757. /* SFP+ module Section */
  6758. /******************************************************************/
  6759. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6760. struct bnx2x_phy *phy,
  6761. u8 pmd_dis)
  6762. {
  6763. struct bnx2x *bp = params->bp;
  6764. /* Disable transmitter only for bootcodes which can enable it afterwards
  6765. * (for D3 link)
  6766. */
  6767. if (pmd_dis) {
  6768. if (params->feature_config_flags &
  6769. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6770. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6771. else {
  6772. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6773. return;
  6774. }
  6775. } else
  6776. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6777. bnx2x_cl45_write(bp, phy,
  6778. MDIO_PMA_DEVAD,
  6779. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6780. }
  6781. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6782. {
  6783. u8 gpio_port;
  6784. u32 swap_val, swap_override;
  6785. struct bnx2x *bp = params->bp;
  6786. if (CHIP_IS_E2(bp))
  6787. gpio_port = BP_PATH(bp);
  6788. else
  6789. gpio_port = params->port;
  6790. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6791. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6792. return gpio_port ^ (swap_val && swap_override);
  6793. }
  6794. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6795. struct bnx2x_phy *phy,
  6796. u8 tx_en)
  6797. {
  6798. u16 val;
  6799. u8 port = params->port;
  6800. struct bnx2x *bp = params->bp;
  6801. u32 tx_en_mode;
  6802. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6803. tx_en_mode = REG_RD(bp, params->shmem_base +
  6804. offsetof(struct shmem_region,
  6805. dev_info.port_hw_config[port].sfp_ctrl)) &
  6806. PORT_HW_CFG_TX_LASER_MASK;
  6807. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6808. "mode = %x\n", tx_en, port, tx_en_mode);
  6809. switch (tx_en_mode) {
  6810. case PORT_HW_CFG_TX_LASER_MDIO:
  6811. bnx2x_cl45_read(bp, phy,
  6812. MDIO_PMA_DEVAD,
  6813. MDIO_PMA_REG_PHY_IDENTIFIER,
  6814. &val);
  6815. if (tx_en)
  6816. val &= ~(1<<15);
  6817. else
  6818. val |= (1<<15);
  6819. bnx2x_cl45_write(bp, phy,
  6820. MDIO_PMA_DEVAD,
  6821. MDIO_PMA_REG_PHY_IDENTIFIER,
  6822. val);
  6823. break;
  6824. case PORT_HW_CFG_TX_LASER_GPIO0:
  6825. case PORT_HW_CFG_TX_LASER_GPIO1:
  6826. case PORT_HW_CFG_TX_LASER_GPIO2:
  6827. case PORT_HW_CFG_TX_LASER_GPIO3:
  6828. {
  6829. u16 gpio_pin;
  6830. u8 gpio_port, gpio_mode;
  6831. if (tx_en)
  6832. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6833. else
  6834. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6835. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6836. gpio_port = bnx2x_get_gpio_port(params);
  6837. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6838. break;
  6839. }
  6840. default:
  6841. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6842. break;
  6843. }
  6844. }
  6845. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6846. struct bnx2x_phy *phy,
  6847. u8 tx_en)
  6848. {
  6849. struct bnx2x *bp = params->bp;
  6850. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6851. if (CHIP_IS_E3(bp))
  6852. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6853. else
  6854. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6855. }
  6856. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6857. struct link_params *params,
  6858. u8 dev_addr, u16 addr, u8 byte_cnt,
  6859. u8 *o_buf, u8 is_init)
  6860. {
  6861. struct bnx2x *bp = params->bp;
  6862. u16 val = 0;
  6863. u16 i;
  6864. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6865. DP(NETIF_MSG_LINK,
  6866. "Reading from eeprom is limited to 0xf\n");
  6867. return -EINVAL;
  6868. }
  6869. /* Set the read command byte count */
  6870. bnx2x_cl45_write(bp, phy,
  6871. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6872. (byte_cnt | (dev_addr << 8)));
  6873. /* Set the read command address */
  6874. bnx2x_cl45_write(bp, phy,
  6875. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6876. addr);
  6877. /* Activate read command */
  6878. bnx2x_cl45_write(bp, phy,
  6879. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6880. 0x2c0f);
  6881. /* Wait up to 500us for command complete status */
  6882. for (i = 0; i < 100; i++) {
  6883. bnx2x_cl45_read(bp, phy,
  6884. MDIO_PMA_DEVAD,
  6885. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6886. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6887. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6888. break;
  6889. udelay(5);
  6890. }
  6891. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6892. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6893. DP(NETIF_MSG_LINK,
  6894. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6895. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6896. return -EINVAL;
  6897. }
  6898. /* Read the buffer */
  6899. for (i = 0; i < byte_cnt; i++) {
  6900. bnx2x_cl45_read(bp, phy,
  6901. MDIO_PMA_DEVAD,
  6902. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6903. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6904. }
  6905. for (i = 0; i < 100; i++) {
  6906. bnx2x_cl45_read(bp, phy,
  6907. MDIO_PMA_DEVAD,
  6908. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6909. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6910. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6911. return 0;
  6912. usleep_range(1000, 2000);
  6913. }
  6914. return -EINVAL;
  6915. }
  6916. static void bnx2x_warpcore_power_module(struct link_params *params,
  6917. u8 power)
  6918. {
  6919. u32 pin_cfg;
  6920. struct bnx2x *bp = params->bp;
  6921. pin_cfg = (REG_RD(bp, params->shmem_base +
  6922. offsetof(struct shmem_region,
  6923. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6924. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6925. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6926. if (pin_cfg == PIN_CFG_NA)
  6927. return;
  6928. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6929. power, pin_cfg);
  6930. /* Low ==> corresponding SFP+ module is powered
  6931. * high ==> the SFP+ module is powered down
  6932. */
  6933. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6934. }
  6935. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6936. struct link_params *params,
  6937. u8 dev_addr,
  6938. u16 addr, u8 byte_cnt,
  6939. u8 *o_buf, u8 is_init)
  6940. {
  6941. int rc = 0;
  6942. u8 i, j = 0, cnt = 0;
  6943. u32 data_array[4];
  6944. u16 addr32;
  6945. struct bnx2x *bp = params->bp;
  6946. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6947. DP(NETIF_MSG_LINK,
  6948. "Reading from eeprom is limited to 16 bytes\n");
  6949. return -EINVAL;
  6950. }
  6951. /* 4 byte aligned address */
  6952. addr32 = addr & (~0x3);
  6953. do {
  6954. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6955. bnx2x_warpcore_power_module(params, 0);
  6956. /* Note that 100us are not enough here */
  6957. usleep_range(1000, 2000);
  6958. bnx2x_warpcore_power_module(params, 1);
  6959. }
  6960. rc = bnx2x_bsc_read(params, phy, dev_addr, addr32, 0, byte_cnt,
  6961. data_array);
  6962. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6963. if (rc == 0) {
  6964. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6965. o_buf[j] = *((u8 *)data_array + i);
  6966. j++;
  6967. }
  6968. }
  6969. return rc;
  6970. }
  6971. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6972. struct link_params *params,
  6973. u8 dev_addr, u16 addr, u8 byte_cnt,
  6974. u8 *o_buf, u8 is_init)
  6975. {
  6976. struct bnx2x *bp = params->bp;
  6977. u16 val, i;
  6978. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6979. DP(NETIF_MSG_LINK,
  6980. "Reading from eeprom is limited to 0xf\n");
  6981. return -EINVAL;
  6982. }
  6983. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6984. * to 100Khz since some DACs(direct attached cables) do
  6985. * not work at 400Khz.
  6986. */
  6987. bnx2x_cl45_write(bp, phy,
  6988. MDIO_PMA_DEVAD,
  6989. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6990. ((dev_addr << 8) | 1));
  6991. /* Need to read from 1.8000 to clear it */
  6992. bnx2x_cl45_read(bp, phy,
  6993. MDIO_PMA_DEVAD,
  6994. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6995. &val);
  6996. /* Set the read command byte count */
  6997. bnx2x_cl45_write(bp, phy,
  6998. MDIO_PMA_DEVAD,
  6999. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  7000. ((byte_cnt < 2) ? 2 : byte_cnt));
  7001. /* Set the read command address */
  7002. bnx2x_cl45_write(bp, phy,
  7003. MDIO_PMA_DEVAD,
  7004. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7005. addr);
  7006. /* Set the destination address */
  7007. bnx2x_cl45_write(bp, phy,
  7008. MDIO_PMA_DEVAD,
  7009. 0x8004,
  7010. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7011. /* Activate read command */
  7012. bnx2x_cl45_write(bp, phy,
  7013. MDIO_PMA_DEVAD,
  7014. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7015. 0x8002);
  7016. /* Wait appropriate time for two-wire command to finish before
  7017. * polling the status register
  7018. */
  7019. usleep_range(1000, 2000);
  7020. /* Wait up to 500us for command complete status */
  7021. for (i = 0; i < 100; i++) {
  7022. bnx2x_cl45_read(bp, phy,
  7023. MDIO_PMA_DEVAD,
  7024. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7025. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7026. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7027. break;
  7028. udelay(5);
  7029. }
  7030. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7031. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7032. DP(NETIF_MSG_LINK,
  7033. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7034. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7035. return -EFAULT;
  7036. }
  7037. /* Read the buffer */
  7038. for (i = 0; i < byte_cnt; i++) {
  7039. bnx2x_cl45_read(bp, phy,
  7040. MDIO_PMA_DEVAD,
  7041. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7042. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7043. }
  7044. for (i = 0; i < 100; i++) {
  7045. bnx2x_cl45_read(bp, phy,
  7046. MDIO_PMA_DEVAD,
  7047. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7048. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7049. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7050. return 0;
  7051. usleep_range(1000, 2000);
  7052. }
  7053. return -EINVAL;
  7054. }
  7055. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7056. struct link_params *params, u8 dev_addr,
  7057. u16 addr, u16 byte_cnt, u8 *o_buf)
  7058. {
  7059. int rc = 0;
  7060. struct bnx2x *bp = params->bp;
  7061. u8 xfer_size;
  7062. u8 *user_data = o_buf;
  7063. read_sfp_module_eeprom_func_p read_func;
  7064. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7065. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7066. return -EINVAL;
  7067. }
  7068. switch (phy->type) {
  7069. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7070. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7071. break;
  7072. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7073. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7074. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7075. break;
  7076. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7077. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7078. break;
  7079. default:
  7080. return -EOPNOTSUPP;
  7081. }
  7082. while (!rc && (byte_cnt > 0)) {
  7083. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7084. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7085. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7086. user_data, 0);
  7087. byte_cnt -= xfer_size;
  7088. user_data += xfer_size;
  7089. addr += xfer_size;
  7090. }
  7091. return rc;
  7092. }
  7093. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7094. struct link_params *params,
  7095. u16 *edc_mode)
  7096. {
  7097. struct bnx2x *bp = params->bp;
  7098. u32 sync_offset = 0, phy_idx, media_types;
  7099. u8 gport, val[2], check_limiting_mode = 0;
  7100. *edc_mode = EDC_MODE_LIMITING;
  7101. phy->media_type = ETH_PHY_UNSPECIFIED;
  7102. /* First check for copper cable */
  7103. if (bnx2x_read_sfp_module_eeprom(phy,
  7104. params,
  7105. I2C_DEV_ADDR_A0,
  7106. SFP_EEPROM_CON_TYPE_ADDR,
  7107. 2,
  7108. (u8 *)val) != 0) {
  7109. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7110. return -EINVAL;
  7111. }
  7112. switch (val[0]) {
  7113. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7114. {
  7115. u8 copper_module_type;
  7116. phy->media_type = ETH_PHY_DA_TWINAX;
  7117. /* Check if its active cable (includes SFP+ module)
  7118. * of passive cable
  7119. */
  7120. if (bnx2x_read_sfp_module_eeprom(phy,
  7121. params,
  7122. I2C_DEV_ADDR_A0,
  7123. SFP_EEPROM_FC_TX_TECH_ADDR,
  7124. 1,
  7125. &copper_module_type) != 0) {
  7126. DP(NETIF_MSG_LINK,
  7127. "Failed to read copper-cable-type"
  7128. " from SFP+ EEPROM\n");
  7129. return -EINVAL;
  7130. }
  7131. if (copper_module_type &
  7132. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7133. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7134. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7135. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7136. else
  7137. check_limiting_mode = 1;
  7138. } else if (copper_module_type &
  7139. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7140. DP(NETIF_MSG_LINK,
  7141. "Passive Copper cable detected\n");
  7142. *edc_mode =
  7143. EDC_MODE_PASSIVE_DAC;
  7144. } else {
  7145. DP(NETIF_MSG_LINK,
  7146. "Unknown copper-cable-type 0x%x !!!\n",
  7147. copper_module_type);
  7148. return -EINVAL;
  7149. }
  7150. break;
  7151. }
  7152. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7153. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7154. check_limiting_mode = 1;
  7155. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7156. SFP_EEPROM_COMP_CODE_LR_MASK |
  7157. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7158. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7159. gport = params->port;
  7160. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7161. if (phy->req_line_speed != SPEED_1000) {
  7162. phy->req_line_speed = SPEED_1000;
  7163. if (!CHIP_IS_E1x(bp)) {
  7164. gport = BP_PATH(bp) +
  7165. (params->port << 1);
  7166. }
  7167. netdev_err(bp->dev,
  7168. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7169. gport);
  7170. }
  7171. } else {
  7172. int idx, cfg_idx = 0;
  7173. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7174. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7175. if (params->phy[idx].type == phy->type) {
  7176. cfg_idx = LINK_CONFIG_IDX(idx);
  7177. break;
  7178. }
  7179. }
  7180. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7181. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7182. }
  7183. break;
  7184. default:
  7185. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7186. val[0]);
  7187. return -EINVAL;
  7188. }
  7189. sync_offset = params->shmem_base +
  7190. offsetof(struct shmem_region,
  7191. dev_info.port_hw_config[params->port].media_type);
  7192. media_types = REG_RD(bp, sync_offset);
  7193. /* Update media type for non-PMF sync */
  7194. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7195. if (&(params->phy[phy_idx]) == phy) {
  7196. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7197. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7198. media_types |= ((phy->media_type &
  7199. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7200. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7201. break;
  7202. }
  7203. }
  7204. REG_WR(bp, sync_offset, media_types);
  7205. if (check_limiting_mode) {
  7206. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7207. if (bnx2x_read_sfp_module_eeprom(phy,
  7208. params,
  7209. I2C_DEV_ADDR_A0,
  7210. SFP_EEPROM_OPTIONS_ADDR,
  7211. SFP_EEPROM_OPTIONS_SIZE,
  7212. options) != 0) {
  7213. DP(NETIF_MSG_LINK,
  7214. "Failed to read Option field from module EEPROM\n");
  7215. return -EINVAL;
  7216. }
  7217. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7218. *edc_mode = EDC_MODE_LINEAR;
  7219. else
  7220. *edc_mode = EDC_MODE_LIMITING;
  7221. }
  7222. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7223. return 0;
  7224. }
  7225. /* This function read the relevant field from the module (SFP+), and verify it
  7226. * is compliant with this board
  7227. */
  7228. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7229. struct link_params *params)
  7230. {
  7231. struct bnx2x *bp = params->bp;
  7232. u32 val, cmd;
  7233. u32 fw_resp, fw_cmd_param;
  7234. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7235. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7236. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7237. val = REG_RD(bp, params->shmem_base +
  7238. offsetof(struct shmem_region, dev_info.
  7239. port_feature_config[params->port].config));
  7240. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7241. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7242. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7243. return 0;
  7244. }
  7245. if (params->feature_config_flags &
  7246. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7247. /* Use specific phy request */
  7248. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7249. } else if (params->feature_config_flags &
  7250. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7251. /* Use first phy request only in case of non-dual media*/
  7252. if (DUAL_MEDIA(params)) {
  7253. DP(NETIF_MSG_LINK,
  7254. "FW does not support OPT MDL verification\n");
  7255. return -EINVAL;
  7256. }
  7257. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7258. } else {
  7259. /* No support in OPT MDL detection */
  7260. DP(NETIF_MSG_LINK,
  7261. "FW does not support OPT MDL verification\n");
  7262. return -EINVAL;
  7263. }
  7264. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7265. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7266. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7267. DP(NETIF_MSG_LINK, "Approved module\n");
  7268. return 0;
  7269. }
  7270. /* Format the warning message */
  7271. if (bnx2x_read_sfp_module_eeprom(phy,
  7272. params,
  7273. I2C_DEV_ADDR_A0,
  7274. SFP_EEPROM_VENDOR_NAME_ADDR,
  7275. SFP_EEPROM_VENDOR_NAME_SIZE,
  7276. (u8 *)vendor_name))
  7277. vendor_name[0] = '\0';
  7278. else
  7279. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7280. if (bnx2x_read_sfp_module_eeprom(phy,
  7281. params,
  7282. I2C_DEV_ADDR_A0,
  7283. SFP_EEPROM_PART_NO_ADDR,
  7284. SFP_EEPROM_PART_NO_SIZE,
  7285. (u8 *)vendor_pn))
  7286. vendor_pn[0] = '\0';
  7287. else
  7288. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7289. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7290. " Port %d from %s part number %s\n",
  7291. params->port, vendor_name, vendor_pn);
  7292. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7293. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7294. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7295. return -EINVAL;
  7296. }
  7297. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7298. struct link_params *params)
  7299. {
  7300. u8 val;
  7301. int rc;
  7302. struct bnx2x *bp = params->bp;
  7303. u16 timeout;
  7304. /* Initialization time after hot-plug may take up to 300ms for
  7305. * some phys type ( e.g. JDSU )
  7306. */
  7307. for (timeout = 0; timeout < 60; timeout++) {
  7308. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7309. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7310. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7311. 1);
  7312. else
  7313. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7314. I2C_DEV_ADDR_A0,
  7315. 1, 1, &val);
  7316. if (rc == 0) {
  7317. DP(NETIF_MSG_LINK,
  7318. "SFP+ module initialization took %d ms\n",
  7319. timeout * 5);
  7320. return 0;
  7321. }
  7322. usleep_range(5000, 10000);
  7323. }
  7324. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7325. 1, 1, &val);
  7326. return rc;
  7327. }
  7328. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7329. struct bnx2x_phy *phy,
  7330. u8 is_power_up) {
  7331. /* Make sure GPIOs are not using for LED mode */
  7332. u16 val;
  7333. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7334. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7335. * output
  7336. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7337. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7338. * where the 1st bit is the over-current(only input), and 2nd bit is
  7339. * for power( only output )
  7340. *
  7341. * In case of NOC feature is disabled and power is up, set GPIO control
  7342. * as input to enable listening of over-current indication
  7343. */
  7344. if (phy->flags & FLAGS_NOC)
  7345. return;
  7346. if (is_power_up)
  7347. val = (1<<4);
  7348. else
  7349. /* Set GPIO control to OUTPUT, and set the power bit
  7350. * to according to the is_power_up
  7351. */
  7352. val = (1<<1);
  7353. bnx2x_cl45_write(bp, phy,
  7354. MDIO_PMA_DEVAD,
  7355. MDIO_PMA_REG_8727_GPIO_CTRL,
  7356. val);
  7357. }
  7358. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7359. struct bnx2x_phy *phy,
  7360. u16 edc_mode)
  7361. {
  7362. u16 cur_limiting_mode;
  7363. bnx2x_cl45_read(bp, phy,
  7364. MDIO_PMA_DEVAD,
  7365. MDIO_PMA_REG_ROM_VER2,
  7366. &cur_limiting_mode);
  7367. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7368. cur_limiting_mode);
  7369. if (edc_mode == EDC_MODE_LIMITING) {
  7370. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7371. bnx2x_cl45_write(bp, phy,
  7372. MDIO_PMA_DEVAD,
  7373. MDIO_PMA_REG_ROM_VER2,
  7374. EDC_MODE_LIMITING);
  7375. } else { /* LRM mode ( default )*/
  7376. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7377. /* Changing to LRM mode takes quite few seconds. So do it only
  7378. * if current mode is limiting (default is LRM)
  7379. */
  7380. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7381. return 0;
  7382. bnx2x_cl45_write(bp, phy,
  7383. MDIO_PMA_DEVAD,
  7384. MDIO_PMA_REG_LRM_MODE,
  7385. 0);
  7386. bnx2x_cl45_write(bp, phy,
  7387. MDIO_PMA_DEVAD,
  7388. MDIO_PMA_REG_ROM_VER2,
  7389. 0x128);
  7390. bnx2x_cl45_write(bp, phy,
  7391. MDIO_PMA_DEVAD,
  7392. MDIO_PMA_REG_MISC_CTRL0,
  7393. 0x4008);
  7394. bnx2x_cl45_write(bp, phy,
  7395. MDIO_PMA_DEVAD,
  7396. MDIO_PMA_REG_LRM_MODE,
  7397. 0xaaaa);
  7398. }
  7399. return 0;
  7400. }
  7401. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7402. struct bnx2x_phy *phy,
  7403. u16 edc_mode)
  7404. {
  7405. u16 phy_identifier;
  7406. u16 rom_ver2_val;
  7407. bnx2x_cl45_read(bp, phy,
  7408. MDIO_PMA_DEVAD,
  7409. MDIO_PMA_REG_PHY_IDENTIFIER,
  7410. &phy_identifier);
  7411. bnx2x_cl45_write(bp, phy,
  7412. MDIO_PMA_DEVAD,
  7413. MDIO_PMA_REG_PHY_IDENTIFIER,
  7414. (phy_identifier & ~(1<<9)));
  7415. bnx2x_cl45_read(bp, phy,
  7416. MDIO_PMA_DEVAD,
  7417. MDIO_PMA_REG_ROM_VER2,
  7418. &rom_ver2_val);
  7419. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7420. bnx2x_cl45_write(bp, phy,
  7421. MDIO_PMA_DEVAD,
  7422. MDIO_PMA_REG_ROM_VER2,
  7423. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7424. bnx2x_cl45_write(bp, phy,
  7425. MDIO_PMA_DEVAD,
  7426. MDIO_PMA_REG_PHY_IDENTIFIER,
  7427. (phy_identifier | (1<<9)));
  7428. return 0;
  7429. }
  7430. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7431. struct link_params *params,
  7432. u32 action)
  7433. {
  7434. struct bnx2x *bp = params->bp;
  7435. u16 val;
  7436. switch (action) {
  7437. case DISABLE_TX:
  7438. bnx2x_sfp_set_transmitter(params, phy, 0);
  7439. break;
  7440. case ENABLE_TX:
  7441. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7442. bnx2x_sfp_set_transmitter(params, phy, 1);
  7443. break;
  7444. case PHY_INIT:
  7445. bnx2x_cl45_write(bp, phy,
  7446. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7447. (1<<2) | (1<<5));
  7448. bnx2x_cl45_write(bp, phy,
  7449. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7450. 0);
  7451. bnx2x_cl45_write(bp, phy,
  7452. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7453. /* Make MOD_ABS give interrupt on change */
  7454. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7455. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7456. &val);
  7457. val |= (1<<12);
  7458. if (phy->flags & FLAGS_NOC)
  7459. val |= (3<<5);
  7460. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7461. * status which reflect SFP+ module over-current
  7462. */
  7463. if (!(phy->flags & FLAGS_NOC))
  7464. val &= 0xff8f; /* Reset bits 4-6 */
  7465. bnx2x_cl45_write(bp, phy,
  7466. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7467. val);
  7468. break;
  7469. default:
  7470. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7471. action);
  7472. return;
  7473. }
  7474. }
  7475. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7476. u8 gpio_mode)
  7477. {
  7478. struct bnx2x *bp = params->bp;
  7479. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7480. offsetof(struct shmem_region,
  7481. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7482. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7483. switch (fault_led_gpio) {
  7484. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7485. return;
  7486. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7487. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7488. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7489. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7490. {
  7491. u8 gpio_port = bnx2x_get_gpio_port(params);
  7492. u16 gpio_pin = fault_led_gpio -
  7493. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7494. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7495. "pin %x port %x mode %x\n",
  7496. gpio_pin, gpio_port, gpio_mode);
  7497. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7498. }
  7499. break;
  7500. default:
  7501. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7502. fault_led_gpio);
  7503. }
  7504. }
  7505. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7506. u8 gpio_mode)
  7507. {
  7508. u32 pin_cfg;
  7509. u8 port = params->port;
  7510. struct bnx2x *bp = params->bp;
  7511. pin_cfg = (REG_RD(bp, params->shmem_base +
  7512. offsetof(struct shmem_region,
  7513. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7514. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7515. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7516. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7517. gpio_mode, pin_cfg);
  7518. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7519. }
  7520. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7521. u8 gpio_mode)
  7522. {
  7523. struct bnx2x *bp = params->bp;
  7524. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7525. if (CHIP_IS_E3(bp)) {
  7526. /* Low ==> if SFP+ module is supported otherwise
  7527. * High ==> if SFP+ module is not on the approved vendor list
  7528. */
  7529. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7530. } else
  7531. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7532. }
  7533. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7534. struct link_params *params)
  7535. {
  7536. struct bnx2x *bp = params->bp;
  7537. bnx2x_warpcore_power_module(params, 0);
  7538. /* Put Warpcore in low power mode */
  7539. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7540. /* Put LCPLL in low power mode */
  7541. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7542. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7543. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7544. }
  7545. static void bnx2x_power_sfp_module(struct link_params *params,
  7546. struct bnx2x_phy *phy,
  7547. u8 power)
  7548. {
  7549. struct bnx2x *bp = params->bp;
  7550. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7551. switch (phy->type) {
  7552. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7553. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7554. bnx2x_8727_power_module(params->bp, phy, power);
  7555. break;
  7556. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7557. bnx2x_warpcore_power_module(params, power);
  7558. break;
  7559. default:
  7560. break;
  7561. }
  7562. }
  7563. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7564. struct bnx2x_phy *phy,
  7565. u16 edc_mode)
  7566. {
  7567. u16 val = 0;
  7568. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7569. struct bnx2x *bp = params->bp;
  7570. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7571. /* This is a global register which controls all lanes */
  7572. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7573. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7574. val &= ~(0xf << (lane << 2));
  7575. switch (edc_mode) {
  7576. case EDC_MODE_LINEAR:
  7577. case EDC_MODE_LIMITING:
  7578. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7579. break;
  7580. case EDC_MODE_PASSIVE_DAC:
  7581. case EDC_MODE_ACTIVE_DAC:
  7582. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7583. break;
  7584. default:
  7585. break;
  7586. }
  7587. val |= (mode << (lane << 2));
  7588. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7589. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7590. /* A must read */
  7591. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7592. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7593. /* Restart microcode to re-read the new mode */
  7594. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7595. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7596. }
  7597. static void bnx2x_set_limiting_mode(struct link_params *params,
  7598. struct bnx2x_phy *phy,
  7599. u16 edc_mode)
  7600. {
  7601. switch (phy->type) {
  7602. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7603. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7604. break;
  7605. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7606. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7607. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7608. break;
  7609. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7610. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7611. break;
  7612. }
  7613. }
  7614. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7615. struct link_params *params)
  7616. {
  7617. struct bnx2x *bp = params->bp;
  7618. u16 edc_mode;
  7619. int rc = 0;
  7620. u32 val = REG_RD(bp, params->shmem_base +
  7621. offsetof(struct shmem_region, dev_info.
  7622. port_feature_config[params->port].config));
  7623. /* Enabled transmitter by default */
  7624. bnx2x_sfp_set_transmitter(params, phy, 1);
  7625. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7626. params->port);
  7627. /* Power up module */
  7628. bnx2x_power_sfp_module(params, phy, 1);
  7629. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7630. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7631. return -EINVAL;
  7632. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7633. /* Check SFP+ module compatibility */
  7634. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7635. rc = -EINVAL;
  7636. /* Turn on fault module-detected led */
  7637. bnx2x_set_sfp_module_fault_led(params,
  7638. MISC_REGISTERS_GPIO_HIGH);
  7639. /* Check if need to power down the SFP+ module */
  7640. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7641. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7642. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7643. bnx2x_power_sfp_module(params, phy, 0);
  7644. return rc;
  7645. }
  7646. } else {
  7647. /* Turn off fault module-detected led */
  7648. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7649. }
  7650. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7651. * is done automatically
  7652. */
  7653. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7654. /* Disable transmit for this module if the module is not approved, and
  7655. * laser needs to be disabled.
  7656. */
  7657. if ((rc) &&
  7658. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7659. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7660. bnx2x_sfp_set_transmitter(params, phy, 0);
  7661. return rc;
  7662. }
  7663. void bnx2x_handle_module_detect_int(struct link_params *params)
  7664. {
  7665. struct bnx2x *bp = params->bp;
  7666. struct bnx2x_phy *phy;
  7667. u32 gpio_val;
  7668. u8 gpio_num, gpio_port;
  7669. if (CHIP_IS_E3(bp)) {
  7670. phy = &params->phy[INT_PHY];
  7671. /* Always enable TX laser,will be disabled in case of fault */
  7672. bnx2x_sfp_set_transmitter(params, phy, 1);
  7673. } else {
  7674. phy = &params->phy[EXT_PHY1];
  7675. }
  7676. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7677. params->port, &gpio_num, &gpio_port) ==
  7678. -EINVAL) {
  7679. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7680. return;
  7681. }
  7682. /* Set valid module led off */
  7683. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7684. /* Get current gpio val reflecting module plugged in / out*/
  7685. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7686. /* Call the handling function in case module is detected */
  7687. if (gpio_val == 0) {
  7688. bnx2x_set_mdio_emac_per_phy(bp, params);
  7689. bnx2x_set_aer_mmd(params, phy);
  7690. bnx2x_power_sfp_module(params, phy, 1);
  7691. bnx2x_set_gpio_int(bp, gpio_num,
  7692. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7693. gpio_port);
  7694. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7695. bnx2x_sfp_module_detection(phy, params);
  7696. if (CHIP_IS_E3(bp)) {
  7697. u16 rx_tx_in_reset;
  7698. /* In case WC is out of reset, reconfigure the
  7699. * link speed while taking into account 1G
  7700. * module limitation.
  7701. */
  7702. bnx2x_cl45_read(bp, phy,
  7703. MDIO_WC_DEVAD,
  7704. MDIO_WC_REG_DIGITAL5_MISC6,
  7705. &rx_tx_in_reset);
  7706. if ((!rx_tx_in_reset) &&
  7707. (params->link_flags &
  7708. PHY_INITIALIZED)) {
  7709. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7710. bnx2x_warpcore_config_sfi(phy, params);
  7711. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7712. }
  7713. }
  7714. } else {
  7715. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7716. }
  7717. } else {
  7718. bnx2x_set_gpio_int(bp, gpio_num,
  7719. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7720. gpio_port);
  7721. /* Module was plugged out.
  7722. * Disable transmit for this module
  7723. */
  7724. phy->media_type = ETH_PHY_NOT_PRESENT;
  7725. }
  7726. }
  7727. /******************************************************************/
  7728. /* Used by 8706 and 8727 */
  7729. /******************************************************************/
  7730. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7731. struct bnx2x_phy *phy,
  7732. u16 alarm_status_offset,
  7733. u16 alarm_ctrl_offset)
  7734. {
  7735. u16 alarm_status, val;
  7736. bnx2x_cl45_read(bp, phy,
  7737. MDIO_PMA_DEVAD, alarm_status_offset,
  7738. &alarm_status);
  7739. bnx2x_cl45_read(bp, phy,
  7740. MDIO_PMA_DEVAD, alarm_status_offset,
  7741. &alarm_status);
  7742. /* Mask or enable the fault event. */
  7743. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7744. if (alarm_status & (1<<0))
  7745. val &= ~(1<<0);
  7746. else
  7747. val |= (1<<0);
  7748. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7749. }
  7750. /******************************************************************/
  7751. /* common BCM8706/BCM8726 PHY SECTION */
  7752. /******************************************************************/
  7753. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7754. struct link_params *params,
  7755. struct link_vars *vars)
  7756. {
  7757. u8 link_up = 0;
  7758. u16 val1, val2, rx_sd, pcs_status;
  7759. struct bnx2x *bp = params->bp;
  7760. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7761. /* Clear RX Alarm*/
  7762. bnx2x_cl45_read(bp, phy,
  7763. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7764. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7765. MDIO_PMA_LASI_TXCTRL);
  7766. /* Clear LASI indication*/
  7767. bnx2x_cl45_read(bp, phy,
  7768. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7769. bnx2x_cl45_read(bp, phy,
  7770. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7771. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7772. bnx2x_cl45_read(bp, phy,
  7773. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7774. bnx2x_cl45_read(bp, phy,
  7775. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7776. bnx2x_cl45_read(bp, phy,
  7777. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7778. bnx2x_cl45_read(bp, phy,
  7779. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7780. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7781. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7782. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7783. * are set, or if the autoneg bit 1 is set
  7784. */
  7785. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7786. if (link_up) {
  7787. if (val2 & (1<<1))
  7788. vars->line_speed = SPEED_1000;
  7789. else
  7790. vars->line_speed = SPEED_10000;
  7791. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7792. vars->duplex = DUPLEX_FULL;
  7793. }
  7794. /* Capture 10G link fault. Read twice to clear stale value. */
  7795. if (vars->line_speed == SPEED_10000) {
  7796. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7797. MDIO_PMA_LASI_TXSTAT, &val1);
  7798. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7799. MDIO_PMA_LASI_TXSTAT, &val1);
  7800. if (val1 & (1<<0))
  7801. vars->fault_detected = 1;
  7802. }
  7803. return link_up;
  7804. }
  7805. /******************************************************************/
  7806. /* BCM8706 PHY SECTION */
  7807. /******************************************************************/
  7808. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7809. struct link_params *params,
  7810. struct link_vars *vars)
  7811. {
  7812. u32 tx_en_mode;
  7813. u16 cnt, val, tmp1;
  7814. struct bnx2x *bp = params->bp;
  7815. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7816. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7817. /* HW reset */
  7818. bnx2x_ext_phy_hw_reset(bp, params->port);
  7819. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7820. bnx2x_wait_reset_complete(bp, phy, params);
  7821. /* Wait until fw is loaded */
  7822. for (cnt = 0; cnt < 100; cnt++) {
  7823. bnx2x_cl45_read(bp, phy,
  7824. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7825. if (val)
  7826. break;
  7827. usleep_range(10000, 20000);
  7828. }
  7829. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7830. if ((params->feature_config_flags &
  7831. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7832. u8 i;
  7833. u16 reg;
  7834. for (i = 0; i < 4; i++) {
  7835. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7836. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7837. MDIO_XS_8706_REG_BANK_RX0);
  7838. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7839. /* Clear first 3 bits of the control */
  7840. val &= ~0x7;
  7841. /* Set control bits according to configuration */
  7842. val |= (phy->rx_preemphasis[i] & 0x7);
  7843. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7844. " reg 0x%x <-- val 0x%x\n", reg, val);
  7845. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7846. }
  7847. }
  7848. /* Force speed */
  7849. if (phy->req_line_speed == SPEED_10000) {
  7850. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7851. bnx2x_cl45_write(bp, phy,
  7852. MDIO_PMA_DEVAD,
  7853. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7854. bnx2x_cl45_write(bp, phy,
  7855. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7856. 0);
  7857. /* Arm LASI for link and Tx fault. */
  7858. bnx2x_cl45_write(bp, phy,
  7859. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7860. } else {
  7861. /* Force 1Gbps using autoneg with 1G advertisement */
  7862. /* Allow CL37 through CL73 */
  7863. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7864. bnx2x_cl45_write(bp, phy,
  7865. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7866. /* Enable Full-Duplex advertisement on CL37 */
  7867. bnx2x_cl45_write(bp, phy,
  7868. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7869. /* Enable CL37 AN */
  7870. bnx2x_cl45_write(bp, phy,
  7871. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7872. /* 1G support */
  7873. bnx2x_cl45_write(bp, phy,
  7874. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7875. /* Enable clause 73 AN */
  7876. bnx2x_cl45_write(bp, phy,
  7877. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7880. 0x0400);
  7881. bnx2x_cl45_write(bp, phy,
  7882. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7883. 0x0004);
  7884. }
  7885. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7886. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7887. * power mode, if TX Laser is disabled
  7888. */
  7889. tx_en_mode = REG_RD(bp, params->shmem_base +
  7890. offsetof(struct shmem_region,
  7891. dev_info.port_hw_config[params->port].sfp_ctrl))
  7892. & PORT_HW_CFG_TX_LASER_MASK;
  7893. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7894. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7895. bnx2x_cl45_read(bp, phy,
  7896. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7897. tmp1 |= 0x1;
  7898. bnx2x_cl45_write(bp, phy,
  7899. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7900. }
  7901. return 0;
  7902. }
  7903. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7904. struct link_params *params,
  7905. struct link_vars *vars)
  7906. {
  7907. return bnx2x_8706_8726_read_status(phy, params, vars);
  7908. }
  7909. /******************************************************************/
  7910. /* BCM8726 PHY SECTION */
  7911. /******************************************************************/
  7912. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7913. struct link_params *params)
  7914. {
  7915. struct bnx2x *bp = params->bp;
  7916. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7917. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7918. }
  7919. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7920. struct link_params *params)
  7921. {
  7922. struct bnx2x *bp = params->bp;
  7923. /* Need to wait 100ms after reset */
  7924. msleep(100);
  7925. /* Micro controller re-boot */
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7928. /* Set soft reset */
  7929. bnx2x_cl45_write(bp, phy,
  7930. MDIO_PMA_DEVAD,
  7931. MDIO_PMA_REG_GEN_CTRL,
  7932. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7933. bnx2x_cl45_write(bp, phy,
  7934. MDIO_PMA_DEVAD,
  7935. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7936. bnx2x_cl45_write(bp, phy,
  7937. MDIO_PMA_DEVAD,
  7938. MDIO_PMA_REG_GEN_CTRL,
  7939. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7940. /* Wait for 150ms for microcode load */
  7941. msleep(150);
  7942. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7943. bnx2x_cl45_write(bp, phy,
  7944. MDIO_PMA_DEVAD,
  7945. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7946. msleep(200);
  7947. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7948. }
  7949. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7950. struct link_params *params,
  7951. struct link_vars *vars)
  7952. {
  7953. struct bnx2x *bp = params->bp;
  7954. u16 val1;
  7955. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7956. if (link_up) {
  7957. bnx2x_cl45_read(bp, phy,
  7958. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7959. &val1);
  7960. if (val1 & (1<<15)) {
  7961. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7962. link_up = 0;
  7963. vars->line_speed = 0;
  7964. }
  7965. }
  7966. return link_up;
  7967. }
  7968. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7969. struct link_params *params,
  7970. struct link_vars *vars)
  7971. {
  7972. struct bnx2x *bp = params->bp;
  7973. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7974. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7975. bnx2x_wait_reset_complete(bp, phy, params);
  7976. bnx2x_8726_external_rom_boot(phy, params);
  7977. /* Need to call module detected on initialization since the module
  7978. * detection triggered by actual module insertion might occur before
  7979. * driver is loaded, and when driver is loaded, it reset all
  7980. * registers, including the transmitter
  7981. */
  7982. bnx2x_sfp_module_detection(phy, params);
  7983. if (phy->req_line_speed == SPEED_1000) {
  7984. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7985. bnx2x_cl45_write(bp, phy,
  7986. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7991. bnx2x_cl45_write(bp, phy,
  7992. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7993. 0x400);
  7994. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7995. (phy->speed_cap_mask &
  7996. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7997. ((phy->speed_cap_mask &
  7998. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7999. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8000. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8001. /* Set Flow control */
  8002. bnx2x_ext_phy_set_pause(params, phy, vars);
  8003. bnx2x_cl45_write(bp, phy,
  8004. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  8005. bnx2x_cl45_write(bp, phy,
  8006. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8007. bnx2x_cl45_write(bp, phy,
  8008. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8011. bnx2x_cl45_write(bp, phy,
  8012. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8013. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8014. * change
  8015. */
  8016. bnx2x_cl45_write(bp, phy,
  8017. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8018. bnx2x_cl45_write(bp, phy,
  8019. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8020. 0x400);
  8021. } else { /* Default 10G. Set only LASI control */
  8022. bnx2x_cl45_write(bp, phy,
  8023. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8024. }
  8025. /* Set TX PreEmphasis if needed */
  8026. if ((params->feature_config_flags &
  8027. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8028. DP(NETIF_MSG_LINK,
  8029. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8030. phy->tx_preemphasis[0],
  8031. phy->tx_preemphasis[1]);
  8032. bnx2x_cl45_write(bp, phy,
  8033. MDIO_PMA_DEVAD,
  8034. MDIO_PMA_REG_8726_TX_CTRL1,
  8035. phy->tx_preemphasis[0]);
  8036. bnx2x_cl45_write(bp, phy,
  8037. MDIO_PMA_DEVAD,
  8038. MDIO_PMA_REG_8726_TX_CTRL2,
  8039. phy->tx_preemphasis[1]);
  8040. }
  8041. return 0;
  8042. }
  8043. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8044. struct link_params *params)
  8045. {
  8046. struct bnx2x *bp = params->bp;
  8047. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8048. /* Set serial boot control for external load */
  8049. bnx2x_cl45_write(bp, phy,
  8050. MDIO_PMA_DEVAD,
  8051. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8052. }
  8053. /******************************************************************/
  8054. /* BCM8727 PHY SECTION */
  8055. /******************************************************************/
  8056. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8057. struct link_params *params, u8 mode)
  8058. {
  8059. struct bnx2x *bp = params->bp;
  8060. u16 led_mode_bitmask = 0;
  8061. u16 gpio_pins_bitmask = 0;
  8062. u16 val;
  8063. /* Only NOC flavor requires to set the LED specifically */
  8064. if (!(phy->flags & FLAGS_NOC))
  8065. return;
  8066. switch (mode) {
  8067. case LED_MODE_FRONT_PANEL_OFF:
  8068. case LED_MODE_OFF:
  8069. led_mode_bitmask = 0;
  8070. gpio_pins_bitmask = 0x03;
  8071. break;
  8072. case LED_MODE_ON:
  8073. led_mode_bitmask = 0;
  8074. gpio_pins_bitmask = 0x02;
  8075. break;
  8076. case LED_MODE_OPER:
  8077. led_mode_bitmask = 0x60;
  8078. gpio_pins_bitmask = 0x11;
  8079. break;
  8080. }
  8081. bnx2x_cl45_read(bp, phy,
  8082. MDIO_PMA_DEVAD,
  8083. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8084. &val);
  8085. val &= 0xff8f;
  8086. val |= led_mode_bitmask;
  8087. bnx2x_cl45_write(bp, phy,
  8088. MDIO_PMA_DEVAD,
  8089. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8090. val);
  8091. bnx2x_cl45_read(bp, phy,
  8092. MDIO_PMA_DEVAD,
  8093. MDIO_PMA_REG_8727_GPIO_CTRL,
  8094. &val);
  8095. val &= 0xffe0;
  8096. val |= gpio_pins_bitmask;
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD,
  8099. MDIO_PMA_REG_8727_GPIO_CTRL,
  8100. val);
  8101. }
  8102. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8103. struct link_params *params) {
  8104. u32 swap_val, swap_override;
  8105. u8 port;
  8106. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8107. * to cancel the swap done in set_gpio()
  8108. */
  8109. struct bnx2x *bp = params->bp;
  8110. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8111. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8112. port = (swap_val && swap_override) ^ 1;
  8113. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8114. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8115. }
  8116. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8117. struct link_params *params)
  8118. {
  8119. struct bnx2x *bp = params->bp;
  8120. u16 tmp1, val;
  8121. /* Set option 1G speed */
  8122. if ((phy->req_line_speed == SPEED_1000) ||
  8123. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8124. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8125. bnx2x_cl45_write(bp, phy,
  8126. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8127. bnx2x_cl45_write(bp, phy,
  8128. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8129. bnx2x_cl45_read(bp, phy,
  8130. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8131. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8132. /* Power down the XAUI until link is up in case of dual-media
  8133. * and 1G
  8134. */
  8135. if (DUAL_MEDIA(params)) {
  8136. bnx2x_cl45_read(bp, phy,
  8137. MDIO_PMA_DEVAD,
  8138. MDIO_PMA_REG_8727_PCS_GP, &val);
  8139. val |= (3<<10);
  8140. bnx2x_cl45_write(bp, phy,
  8141. MDIO_PMA_DEVAD,
  8142. MDIO_PMA_REG_8727_PCS_GP, val);
  8143. }
  8144. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8145. ((phy->speed_cap_mask &
  8146. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8147. ((phy->speed_cap_mask &
  8148. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8149. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8150. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8151. bnx2x_cl45_write(bp, phy,
  8152. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8153. bnx2x_cl45_write(bp, phy,
  8154. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8155. } else {
  8156. /* Since the 8727 has only single reset pin, need to set the 10G
  8157. * registers although it is default
  8158. */
  8159. bnx2x_cl45_write(bp, phy,
  8160. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8161. 0x0020);
  8162. bnx2x_cl45_write(bp, phy,
  8163. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8164. bnx2x_cl45_write(bp, phy,
  8165. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8166. bnx2x_cl45_write(bp, phy,
  8167. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8168. 0x0008);
  8169. }
  8170. }
  8171. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8172. struct link_params *params,
  8173. struct link_vars *vars)
  8174. {
  8175. u32 tx_en_mode;
  8176. u16 tmp1, mod_abs, tmp2;
  8177. struct bnx2x *bp = params->bp;
  8178. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8179. bnx2x_wait_reset_complete(bp, phy, params);
  8180. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8181. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8182. /* Initially configure MOD_ABS to interrupt when module is
  8183. * presence( bit 8)
  8184. */
  8185. bnx2x_cl45_read(bp, phy,
  8186. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8187. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8188. * When the EDC is off it locks onto a reference clock and avoids
  8189. * becoming 'lost'
  8190. */
  8191. mod_abs &= ~(1<<8);
  8192. if (!(phy->flags & FLAGS_NOC))
  8193. mod_abs &= ~(1<<9);
  8194. bnx2x_cl45_write(bp, phy,
  8195. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8196. /* Enable/Disable PHY transmitter output */
  8197. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8198. bnx2x_8727_power_module(bp, phy, 1);
  8199. bnx2x_cl45_read(bp, phy,
  8200. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8201. bnx2x_cl45_read(bp, phy,
  8202. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8203. bnx2x_8727_config_speed(phy, params);
  8204. /* Set TX PreEmphasis if needed */
  8205. if ((params->feature_config_flags &
  8206. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8207. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8208. phy->tx_preemphasis[0],
  8209. phy->tx_preemphasis[1]);
  8210. bnx2x_cl45_write(bp, phy,
  8211. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8212. phy->tx_preemphasis[0]);
  8213. bnx2x_cl45_write(bp, phy,
  8214. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8215. phy->tx_preemphasis[1]);
  8216. }
  8217. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8218. * power mode, if TX Laser is disabled
  8219. */
  8220. tx_en_mode = REG_RD(bp, params->shmem_base +
  8221. offsetof(struct shmem_region,
  8222. dev_info.port_hw_config[params->port].sfp_ctrl))
  8223. & PORT_HW_CFG_TX_LASER_MASK;
  8224. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8225. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8226. bnx2x_cl45_read(bp, phy,
  8227. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8228. tmp2 |= 0x1000;
  8229. tmp2 &= 0xFFEF;
  8230. bnx2x_cl45_write(bp, phy,
  8231. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8232. bnx2x_cl45_read(bp, phy,
  8233. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8234. &tmp2);
  8235. bnx2x_cl45_write(bp, phy,
  8236. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8237. (tmp2 & 0x7fff));
  8238. }
  8239. return 0;
  8240. }
  8241. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8242. struct link_params *params)
  8243. {
  8244. struct bnx2x *bp = params->bp;
  8245. u16 mod_abs, rx_alarm_status;
  8246. u32 val = REG_RD(bp, params->shmem_base +
  8247. offsetof(struct shmem_region, dev_info.
  8248. port_feature_config[params->port].
  8249. config));
  8250. bnx2x_cl45_read(bp, phy,
  8251. MDIO_PMA_DEVAD,
  8252. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8253. if (mod_abs & (1<<8)) {
  8254. /* Module is absent */
  8255. DP(NETIF_MSG_LINK,
  8256. "MOD_ABS indication show module is absent\n");
  8257. phy->media_type = ETH_PHY_NOT_PRESENT;
  8258. /* 1. Set mod_abs to detect next module
  8259. * presence event
  8260. * 2. Set EDC off by setting OPTXLOS signal input to low
  8261. * (bit 9).
  8262. * When the EDC is off it locks onto a reference clock and
  8263. * avoids becoming 'lost'.
  8264. */
  8265. mod_abs &= ~(1<<8);
  8266. if (!(phy->flags & FLAGS_NOC))
  8267. mod_abs &= ~(1<<9);
  8268. bnx2x_cl45_write(bp, phy,
  8269. MDIO_PMA_DEVAD,
  8270. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8271. /* Clear RX alarm since it stays up as long as
  8272. * the mod_abs wasn't changed
  8273. */
  8274. bnx2x_cl45_read(bp, phy,
  8275. MDIO_PMA_DEVAD,
  8276. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8277. } else {
  8278. /* Module is present */
  8279. DP(NETIF_MSG_LINK,
  8280. "MOD_ABS indication show module is present\n");
  8281. /* First disable transmitter, and if the module is ok, the
  8282. * module_detection will enable it
  8283. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8284. * 2. Restore the default polarity of the OPRXLOS signal and
  8285. * this signal will then correctly indicate the presence or
  8286. * absence of the Rx signal. (bit 9)
  8287. */
  8288. mod_abs |= (1<<8);
  8289. if (!(phy->flags & FLAGS_NOC))
  8290. mod_abs |= (1<<9);
  8291. bnx2x_cl45_write(bp, phy,
  8292. MDIO_PMA_DEVAD,
  8293. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8294. /* Clear RX alarm since it stays up as long as the mod_abs
  8295. * wasn't changed. This is need to be done before calling the
  8296. * module detection, otherwise it will clear* the link update
  8297. * alarm
  8298. */
  8299. bnx2x_cl45_read(bp, phy,
  8300. MDIO_PMA_DEVAD,
  8301. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8302. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8303. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8304. bnx2x_sfp_set_transmitter(params, phy, 0);
  8305. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8306. bnx2x_sfp_module_detection(phy, params);
  8307. else
  8308. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8309. /* Reconfigure link speed based on module type limitations */
  8310. bnx2x_8727_config_speed(phy, params);
  8311. }
  8312. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8313. rx_alarm_status);
  8314. /* No need to check link status in case of module plugged in/out */
  8315. }
  8316. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8317. struct link_params *params,
  8318. struct link_vars *vars)
  8319. {
  8320. struct bnx2x *bp = params->bp;
  8321. u8 link_up = 0, oc_port = params->port;
  8322. u16 link_status = 0;
  8323. u16 rx_alarm_status, lasi_ctrl, val1;
  8324. /* If PHY is not initialized, do not check link status */
  8325. bnx2x_cl45_read(bp, phy,
  8326. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8327. &lasi_ctrl);
  8328. if (!lasi_ctrl)
  8329. return 0;
  8330. /* Check the LASI on Rx */
  8331. bnx2x_cl45_read(bp, phy,
  8332. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8333. &rx_alarm_status);
  8334. vars->line_speed = 0;
  8335. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8336. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8337. MDIO_PMA_LASI_TXCTRL);
  8338. bnx2x_cl45_read(bp, phy,
  8339. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8340. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8341. /* Clear MSG-OUT */
  8342. bnx2x_cl45_read(bp, phy,
  8343. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8344. /* If a module is present and there is need to check
  8345. * for over current
  8346. */
  8347. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8348. /* Check over-current using 8727 GPIO0 input*/
  8349. bnx2x_cl45_read(bp, phy,
  8350. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8351. &val1);
  8352. if ((val1 & (1<<8)) == 0) {
  8353. if (!CHIP_IS_E1x(bp))
  8354. oc_port = BP_PATH(bp) + (params->port << 1);
  8355. DP(NETIF_MSG_LINK,
  8356. "8727 Power fault has been detected on port %d\n",
  8357. oc_port);
  8358. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8359. "been detected and the power to "
  8360. "that SFP+ module has been removed "
  8361. "to prevent failure of the card. "
  8362. "Please remove the SFP+ module and "
  8363. "restart the system to clear this "
  8364. "error.\n",
  8365. oc_port);
  8366. /* Disable all RX_ALARMs except for mod_abs */
  8367. bnx2x_cl45_write(bp, phy,
  8368. MDIO_PMA_DEVAD,
  8369. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8370. bnx2x_cl45_read(bp, phy,
  8371. MDIO_PMA_DEVAD,
  8372. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8373. /* Wait for module_absent_event */
  8374. val1 |= (1<<8);
  8375. bnx2x_cl45_write(bp, phy,
  8376. MDIO_PMA_DEVAD,
  8377. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8378. /* Clear RX alarm */
  8379. bnx2x_cl45_read(bp, phy,
  8380. MDIO_PMA_DEVAD,
  8381. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8382. bnx2x_8727_power_module(params->bp, phy, 0);
  8383. return 0;
  8384. }
  8385. } /* Over current check */
  8386. /* When module absent bit is set, check module */
  8387. if (rx_alarm_status & (1<<5)) {
  8388. bnx2x_8727_handle_mod_abs(phy, params);
  8389. /* Enable all mod_abs and link detection bits */
  8390. bnx2x_cl45_write(bp, phy,
  8391. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8392. ((1<<5) | (1<<2)));
  8393. }
  8394. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8395. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8396. bnx2x_sfp_set_transmitter(params, phy, 1);
  8397. } else {
  8398. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8399. return 0;
  8400. }
  8401. bnx2x_cl45_read(bp, phy,
  8402. MDIO_PMA_DEVAD,
  8403. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8404. /* Bits 0..2 --> speed detected,
  8405. * Bits 13..15--> link is down
  8406. */
  8407. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8408. link_up = 1;
  8409. vars->line_speed = SPEED_10000;
  8410. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8411. params->port);
  8412. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8413. link_up = 1;
  8414. vars->line_speed = SPEED_1000;
  8415. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8416. params->port);
  8417. } else {
  8418. link_up = 0;
  8419. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8420. params->port);
  8421. }
  8422. /* Capture 10G link fault. */
  8423. if (vars->line_speed == SPEED_10000) {
  8424. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8425. MDIO_PMA_LASI_TXSTAT, &val1);
  8426. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8427. MDIO_PMA_LASI_TXSTAT, &val1);
  8428. if (val1 & (1<<0)) {
  8429. vars->fault_detected = 1;
  8430. }
  8431. }
  8432. if (link_up) {
  8433. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8434. vars->duplex = DUPLEX_FULL;
  8435. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8436. }
  8437. if ((DUAL_MEDIA(params)) &&
  8438. (phy->req_line_speed == SPEED_1000)) {
  8439. bnx2x_cl45_read(bp, phy,
  8440. MDIO_PMA_DEVAD,
  8441. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8442. /* In case of dual-media board and 1G, power up the XAUI side,
  8443. * otherwise power it down. For 10G it is done automatically
  8444. */
  8445. if (link_up)
  8446. val1 &= ~(3<<10);
  8447. else
  8448. val1 |= (3<<10);
  8449. bnx2x_cl45_write(bp, phy,
  8450. MDIO_PMA_DEVAD,
  8451. MDIO_PMA_REG_8727_PCS_GP, val1);
  8452. }
  8453. return link_up;
  8454. }
  8455. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8456. struct link_params *params)
  8457. {
  8458. struct bnx2x *bp = params->bp;
  8459. /* Enable/Disable PHY transmitter output */
  8460. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8461. /* Disable Transmitter */
  8462. bnx2x_sfp_set_transmitter(params, phy, 0);
  8463. /* Clear LASI */
  8464. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8465. }
  8466. /******************************************************************/
  8467. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8468. /******************************************************************/
  8469. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8470. struct bnx2x *bp,
  8471. u8 port)
  8472. {
  8473. u16 val, fw_ver2, cnt, i;
  8474. static struct bnx2x_reg_set reg_set[] = {
  8475. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8476. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8477. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8478. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8479. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8480. };
  8481. u16 fw_ver1;
  8482. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8483. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8484. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8485. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8486. phy->ver_addr);
  8487. } else {
  8488. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8489. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8490. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8491. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8492. reg_set[i].reg, reg_set[i].val);
  8493. for (cnt = 0; cnt < 100; cnt++) {
  8494. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8495. if (val & 1)
  8496. break;
  8497. udelay(5);
  8498. }
  8499. if (cnt == 100) {
  8500. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8501. "phy fw version(1)\n");
  8502. bnx2x_save_spirom_version(bp, port, 0,
  8503. phy->ver_addr);
  8504. return;
  8505. }
  8506. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8507. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8508. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8509. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8510. for (cnt = 0; cnt < 100; cnt++) {
  8511. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8512. if (val & 1)
  8513. break;
  8514. udelay(5);
  8515. }
  8516. if (cnt == 100) {
  8517. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8518. "version(2)\n");
  8519. bnx2x_save_spirom_version(bp, port, 0,
  8520. phy->ver_addr);
  8521. return;
  8522. }
  8523. /* lower 16 bits of the register SPI_FW_STATUS */
  8524. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8525. /* upper 16 bits of register SPI_FW_STATUS */
  8526. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8527. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8528. phy->ver_addr);
  8529. }
  8530. }
  8531. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8532. struct bnx2x_phy *phy)
  8533. {
  8534. u16 val, offset, i;
  8535. static struct bnx2x_reg_set reg_set[] = {
  8536. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8537. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8538. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8539. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8540. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8541. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8542. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8543. };
  8544. /* PHYC_CTL_LED_CTL */
  8545. bnx2x_cl45_read(bp, phy,
  8546. MDIO_PMA_DEVAD,
  8547. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8548. val &= 0xFE00;
  8549. val |= 0x0092;
  8550. bnx2x_cl45_write(bp, phy,
  8551. MDIO_PMA_DEVAD,
  8552. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8553. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8554. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8555. reg_set[i].val);
  8556. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8557. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8558. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8559. else
  8560. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8561. /* stretch_en for LED3*/
  8562. bnx2x_cl45_read_or_write(bp, phy,
  8563. MDIO_PMA_DEVAD, offset,
  8564. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8565. }
  8566. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8567. struct link_params *params,
  8568. u32 action)
  8569. {
  8570. struct bnx2x *bp = params->bp;
  8571. switch (action) {
  8572. case PHY_INIT:
  8573. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8574. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8575. /* Save spirom version */
  8576. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8577. }
  8578. /* This phy uses the NIG latch mechanism since link indication
  8579. * arrives through its LED4 and not via its LASI signal, so we
  8580. * get steady signal instead of clear on read
  8581. */
  8582. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8583. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8584. bnx2x_848xx_set_led(bp, phy);
  8585. break;
  8586. }
  8587. }
  8588. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8589. struct link_params *params,
  8590. struct link_vars *vars)
  8591. {
  8592. struct bnx2x *bp = params->bp;
  8593. u16 autoneg_val, an_1000_val, an_10_100_val;
  8594. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8595. bnx2x_cl45_write(bp, phy,
  8596. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8597. /* set 1000 speed advertisement */
  8598. bnx2x_cl45_read(bp, phy,
  8599. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8600. &an_1000_val);
  8601. bnx2x_ext_phy_set_pause(params, phy, vars);
  8602. bnx2x_cl45_read(bp, phy,
  8603. MDIO_AN_DEVAD,
  8604. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8605. &an_10_100_val);
  8606. bnx2x_cl45_read(bp, phy,
  8607. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8608. &autoneg_val);
  8609. /* Disable forced speed */
  8610. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8611. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8612. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8613. (phy->speed_cap_mask &
  8614. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8615. (phy->req_line_speed == SPEED_1000)) {
  8616. an_1000_val |= (1<<8);
  8617. autoneg_val |= (1<<9 | 1<<12);
  8618. if (phy->req_duplex == DUPLEX_FULL)
  8619. an_1000_val |= (1<<9);
  8620. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8621. } else
  8622. an_1000_val &= ~((1<<8) | (1<<9));
  8623. bnx2x_cl45_write(bp, phy,
  8624. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8625. an_1000_val);
  8626. /* Set 10/100 speed advertisement */
  8627. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8628. if (phy->speed_cap_mask &
  8629. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8630. /* Enable autoneg and restart autoneg for legacy speeds
  8631. */
  8632. autoneg_val |= (1<<9 | 1<<12);
  8633. an_10_100_val |= (1<<8);
  8634. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8635. }
  8636. if (phy->speed_cap_mask &
  8637. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8638. /* Enable autoneg and restart autoneg for legacy speeds
  8639. */
  8640. autoneg_val |= (1<<9 | 1<<12);
  8641. an_10_100_val |= (1<<7);
  8642. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8643. }
  8644. if ((phy->speed_cap_mask &
  8645. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8646. (phy->supported & SUPPORTED_10baseT_Full)) {
  8647. an_10_100_val |= (1<<6);
  8648. autoneg_val |= (1<<9 | 1<<12);
  8649. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8650. }
  8651. if ((phy->speed_cap_mask &
  8652. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8653. (phy->supported & SUPPORTED_10baseT_Half)) {
  8654. an_10_100_val |= (1<<5);
  8655. autoneg_val |= (1<<9 | 1<<12);
  8656. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8657. }
  8658. }
  8659. /* Only 10/100 are allowed to work in FORCE mode */
  8660. if ((phy->req_line_speed == SPEED_100) &&
  8661. (phy->supported &
  8662. (SUPPORTED_100baseT_Half |
  8663. SUPPORTED_100baseT_Full))) {
  8664. autoneg_val |= (1<<13);
  8665. /* Enabled AUTO-MDIX when autoneg is disabled */
  8666. bnx2x_cl45_write(bp, phy,
  8667. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8668. (1<<15 | 1<<9 | 7<<0));
  8669. /* The PHY needs this set even for forced link. */
  8670. an_10_100_val |= (1<<8) | (1<<7);
  8671. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8672. }
  8673. if ((phy->req_line_speed == SPEED_10) &&
  8674. (phy->supported &
  8675. (SUPPORTED_10baseT_Half |
  8676. SUPPORTED_10baseT_Full))) {
  8677. /* Enabled AUTO-MDIX when autoneg is disabled */
  8678. bnx2x_cl45_write(bp, phy,
  8679. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8680. (1<<15 | 1<<9 | 7<<0));
  8681. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8682. }
  8683. bnx2x_cl45_write(bp, phy,
  8684. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8685. an_10_100_val);
  8686. if (phy->req_duplex == DUPLEX_FULL)
  8687. autoneg_val |= (1<<8);
  8688. /* Always write this if this is not 84833/4.
  8689. * For 84833/4, write it only when it's a forced speed.
  8690. */
  8691. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8692. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8693. ((autoneg_val & (1<<12)) == 0))
  8694. bnx2x_cl45_write(bp, phy,
  8695. MDIO_AN_DEVAD,
  8696. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8697. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8698. (phy->speed_cap_mask &
  8699. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8700. (phy->req_line_speed == SPEED_10000)) {
  8701. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8702. /* Restart autoneg for 10G*/
  8703. bnx2x_cl45_read_or_write(
  8704. bp, phy,
  8705. MDIO_AN_DEVAD,
  8706. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8707. 0x1000);
  8708. bnx2x_cl45_write(bp, phy,
  8709. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8710. 0x3200);
  8711. } else
  8712. bnx2x_cl45_write(bp, phy,
  8713. MDIO_AN_DEVAD,
  8714. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8715. 1);
  8716. return 0;
  8717. }
  8718. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8719. struct link_params *params,
  8720. struct link_vars *vars)
  8721. {
  8722. struct bnx2x *bp = params->bp;
  8723. /* Restore normal power mode*/
  8724. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8725. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8726. /* HW reset */
  8727. bnx2x_ext_phy_hw_reset(bp, params->port);
  8728. bnx2x_wait_reset_complete(bp, phy, params);
  8729. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8730. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8731. }
  8732. #define PHY84833_CMDHDLR_WAIT 300
  8733. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8734. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8735. struct link_params *params, u16 fw_cmd,
  8736. u16 cmd_args[], int argc)
  8737. {
  8738. int idx;
  8739. u16 val;
  8740. struct bnx2x *bp = params->bp;
  8741. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8742. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8743. MDIO_84833_CMD_HDLR_STATUS,
  8744. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8745. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8746. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8747. MDIO_84833_CMD_HDLR_STATUS, &val);
  8748. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8749. break;
  8750. usleep_range(1000, 2000);
  8751. }
  8752. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8753. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8754. return -EINVAL;
  8755. }
  8756. /* Prepare argument(s) and issue command */
  8757. for (idx = 0; idx < argc; idx++) {
  8758. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8759. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8760. cmd_args[idx]);
  8761. }
  8762. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8763. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8764. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8765. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8766. MDIO_84833_CMD_HDLR_STATUS, &val);
  8767. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8768. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8769. break;
  8770. usleep_range(1000, 2000);
  8771. }
  8772. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8773. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8774. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8775. return -EINVAL;
  8776. }
  8777. /* Gather returning data */
  8778. for (idx = 0; idx < argc; idx++) {
  8779. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8780. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8781. &cmd_args[idx]);
  8782. }
  8783. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8784. MDIO_84833_CMD_HDLR_STATUS,
  8785. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8786. return 0;
  8787. }
  8788. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8789. struct link_params *params,
  8790. struct link_vars *vars)
  8791. {
  8792. u32 pair_swap;
  8793. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8794. int status;
  8795. struct bnx2x *bp = params->bp;
  8796. /* Check for configuration. */
  8797. pair_swap = REG_RD(bp, params->shmem_base +
  8798. offsetof(struct shmem_region,
  8799. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8800. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8801. if (pair_swap == 0)
  8802. return 0;
  8803. /* Only the second argument is used for this command */
  8804. data[1] = (u16)pair_swap;
  8805. status = bnx2x_84833_cmd_hdlr(phy, params,
  8806. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8807. if (status == 0)
  8808. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8809. return status;
  8810. }
  8811. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8812. u32 shmem_base_path[],
  8813. u32 chip_id)
  8814. {
  8815. u32 reset_pin[2];
  8816. u32 idx;
  8817. u8 reset_gpios;
  8818. if (CHIP_IS_E3(bp)) {
  8819. /* Assume that these will be GPIOs, not EPIOs. */
  8820. for (idx = 0; idx < 2; idx++) {
  8821. /* Map config param to register bit. */
  8822. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8823. offsetof(struct shmem_region,
  8824. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8825. reset_pin[idx] = (reset_pin[idx] &
  8826. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8827. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8828. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8829. reset_pin[idx] = (1 << reset_pin[idx]);
  8830. }
  8831. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8832. } else {
  8833. /* E2, look from diff place of shmem. */
  8834. for (idx = 0; idx < 2; idx++) {
  8835. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8836. offsetof(struct shmem_region,
  8837. dev_info.port_hw_config[0].default_cfg));
  8838. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8839. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8840. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8841. reset_pin[idx] = (1 << reset_pin[idx]);
  8842. }
  8843. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8844. }
  8845. return reset_gpios;
  8846. }
  8847. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8848. struct link_params *params)
  8849. {
  8850. struct bnx2x *bp = params->bp;
  8851. u8 reset_gpios;
  8852. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8853. offsetof(struct shmem2_region,
  8854. other_shmem_base_addr));
  8855. u32 shmem_base_path[2];
  8856. /* Work around for 84833 LED failure inside RESET status */
  8857. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8858. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8859. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8860. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8861. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8862. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8863. shmem_base_path[0] = params->shmem_base;
  8864. shmem_base_path[1] = other_shmem_base_addr;
  8865. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8866. params->chip_id);
  8867. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8868. udelay(10);
  8869. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8870. reset_gpios);
  8871. return 0;
  8872. }
  8873. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8874. struct link_params *params,
  8875. struct link_vars *vars)
  8876. {
  8877. int rc;
  8878. struct bnx2x *bp = params->bp;
  8879. u16 cmd_args = 0;
  8880. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8881. /* Prevent Phy from working in EEE and advertising it */
  8882. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8883. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8884. if (rc) {
  8885. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8886. return rc;
  8887. }
  8888. return bnx2x_eee_disable(phy, params, vars);
  8889. }
  8890. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8891. struct link_params *params,
  8892. struct link_vars *vars)
  8893. {
  8894. int rc;
  8895. struct bnx2x *bp = params->bp;
  8896. u16 cmd_args = 1;
  8897. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8898. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8899. if (rc) {
  8900. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8901. return rc;
  8902. }
  8903. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8904. }
  8905. #define PHY84833_CONSTANT_LATENCY 1193
  8906. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8907. struct link_params *params,
  8908. struct link_vars *vars)
  8909. {
  8910. struct bnx2x *bp = params->bp;
  8911. u8 port, initialize = 1;
  8912. u16 val;
  8913. u32 actual_phy_selection;
  8914. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8915. int rc = 0;
  8916. usleep_range(1000, 2000);
  8917. if (!(CHIP_IS_E1x(bp)))
  8918. port = BP_PATH(bp);
  8919. else
  8920. port = params->port;
  8921. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8922. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8923. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8924. port);
  8925. } else {
  8926. /* MDIO reset */
  8927. bnx2x_cl45_write(bp, phy,
  8928. MDIO_PMA_DEVAD,
  8929. MDIO_PMA_REG_CTRL, 0x8000);
  8930. }
  8931. bnx2x_wait_reset_complete(bp, phy, params);
  8932. /* Wait for GPHY to come out of reset */
  8933. msleep(50);
  8934. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8935. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8936. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8937. * behavior.
  8938. */
  8939. u16 temp;
  8940. temp = vars->line_speed;
  8941. vars->line_speed = SPEED_10000;
  8942. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8943. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8944. vars->line_speed = temp;
  8945. }
  8946. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8947. MDIO_CTL_REG_84823_MEDIA, &val);
  8948. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8949. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8950. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8951. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8952. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8953. if (CHIP_IS_E3(bp)) {
  8954. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8955. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8956. } else {
  8957. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8958. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8959. }
  8960. actual_phy_selection = bnx2x_phy_selection(params);
  8961. switch (actual_phy_selection) {
  8962. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8963. /* Do nothing. Essentially this is like the priority copper */
  8964. break;
  8965. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8966. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8967. break;
  8968. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8969. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8970. break;
  8971. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8972. /* Do nothing here. The first PHY won't be initialized at all */
  8973. break;
  8974. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8975. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8976. initialize = 0;
  8977. break;
  8978. }
  8979. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8980. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8981. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8982. MDIO_CTL_REG_84823_MEDIA, val);
  8983. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8984. params->multi_phy_config, val);
  8985. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8986. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8987. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8988. /* Keep AutogrEEEn disabled. */
  8989. cmd_args[0] = 0x0;
  8990. cmd_args[1] = 0x0;
  8991. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8992. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8993. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8994. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8995. PHY84833_CMDHDLR_MAX_ARGS);
  8996. if (rc)
  8997. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8998. }
  8999. if (initialize)
  9000. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  9001. else
  9002. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  9003. /* 84833 PHY has a better feature and doesn't need to support this. */
  9004. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9005. u32 cms_enable = REG_RD(bp, params->shmem_base +
  9006. offsetof(struct shmem_region,
  9007. dev_info.port_hw_config[params->port].default_cfg)) &
  9008. PORT_HW_CFG_ENABLE_CMS_MASK;
  9009. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9010. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9011. if (cms_enable)
  9012. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9013. else
  9014. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9015. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9016. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9017. }
  9018. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9019. MDIO_84833_TOP_CFG_FW_REV, &val);
  9020. /* Configure EEE support */
  9021. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9022. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9023. bnx2x_eee_has_cap(params)) {
  9024. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9025. if (rc) {
  9026. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9027. bnx2x_8483x_disable_eee(phy, params, vars);
  9028. return rc;
  9029. }
  9030. if ((phy->req_duplex == DUPLEX_FULL) &&
  9031. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9032. (bnx2x_eee_calc_timer(params) ||
  9033. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9034. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9035. else
  9036. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9037. if (rc) {
  9038. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9039. return rc;
  9040. }
  9041. } else {
  9042. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9043. }
  9044. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9045. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9046. /* Bring PHY out of super isolate mode as the final step. */
  9047. bnx2x_cl45_read_and_write(bp, phy,
  9048. MDIO_CTL_DEVAD,
  9049. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9050. (u16)~MDIO_84833_SUPER_ISOLATE);
  9051. }
  9052. return rc;
  9053. }
  9054. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9055. struct link_params *params,
  9056. struct link_vars *vars)
  9057. {
  9058. struct bnx2x *bp = params->bp;
  9059. u16 val, val1, val2;
  9060. u8 link_up = 0;
  9061. /* Check 10G-BaseT link status */
  9062. /* Check PMD signal ok */
  9063. bnx2x_cl45_read(bp, phy,
  9064. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9065. bnx2x_cl45_read(bp, phy,
  9066. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9067. &val2);
  9068. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9069. /* Check link 10G */
  9070. if (val2 & (1<<11)) {
  9071. vars->line_speed = SPEED_10000;
  9072. vars->duplex = DUPLEX_FULL;
  9073. link_up = 1;
  9074. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9075. } else { /* Check Legacy speed link */
  9076. u16 legacy_status, legacy_speed;
  9077. /* Enable expansion register 0x42 (Operation mode status) */
  9078. bnx2x_cl45_write(bp, phy,
  9079. MDIO_AN_DEVAD,
  9080. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9081. /* Get legacy speed operation status */
  9082. bnx2x_cl45_read(bp, phy,
  9083. MDIO_AN_DEVAD,
  9084. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9085. &legacy_status);
  9086. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9087. legacy_status);
  9088. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9089. legacy_speed = (legacy_status & (3<<9));
  9090. if (legacy_speed == (0<<9))
  9091. vars->line_speed = SPEED_10;
  9092. else if (legacy_speed == (1<<9))
  9093. vars->line_speed = SPEED_100;
  9094. else if (legacy_speed == (2<<9))
  9095. vars->line_speed = SPEED_1000;
  9096. else { /* Should not happen: Treat as link down */
  9097. vars->line_speed = 0;
  9098. link_up = 0;
  9099. }
  9100. if (link_up) {
  9101. if (legacy_status & (1<<8))
  9102. vars->duplex = DUPLEX_FULL;
  9103. else
  9104. vars->duplex = DUPLEX_HALF;
  9105. DP(NETIF_MSG_LINK,
  9106. "Link is up in %dMbps, is_duplex_full= %d\n",
  9107. vars->line_speed,
  9108. (vars->duplex == DUPLEX_FULL));
  9109. /* Check legacy speed AN resolution */
  9110. bnx2x_cl45_read(bp, phy,
  9111. MDIO_AN_DEVAD,
  9112. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9113. &val);
  9114. if (val & (1<<5))
  9115. vars->link_status |=
  9116. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9117. bnx2x_cl45_read(bp, phy,
  9118. MDIO_AN_DEVAD,
  9119. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9120. &val);
  9121. if ((val & (1<<0)) == 0)
  9122. vars->link_status |=
  9123. LINK_STATUS_PARALLEL_DETECTION_USED;
  9124. }
  9125. }
  9126. if (link_up) {
  9127. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9128. vars->line_speed);
  9129. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9130. /* Read LP advertised speeds */
  9131. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9132. MDIO_AN_REG_CL37_FC_LP, &val);
  9133. if (val & (1<<5))
  9134. vars->link_status |=
  9135. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9136. if (val & (1<<6))
  9137. vars->link_status |=
  9138. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9139. if (val & (1<<7))
  9140. vars->link_status |=
  9141. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9142. if (val & (1<<8))
  9143. vars->link_status |=
  9144. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9145. if (val & (1<<9))
  9146. vars->link_status |=
  9147. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9148. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9149. MDIO_AN_REG_1000T_STATUS, &val);
  9150. if (val & (1<<10))
  9151. vars->link_status |=
  9152. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9153. if (val & (1<<11))
  9154. vars->link_status |=
  9155. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9156. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9157. MDIO_AN_REG_MASTER_STATUS, &val);
  9158. if (val & (1<<11))
  9159. vars->link_status |=
  9160. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9161. /* Determine if EEE was negotiated */
  9162. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9163. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9164. bnx2x_eee_an_resolve(phy, params, vars);
  9165. }
  9166. return link_up;
  9167. }
  9168. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9169. {
  9170. int status = 0;
  9171. u32 spirom_ver;
  9172. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9173. status = bnx2x_format_ver(spirom_ver, str, len);
  9174. return status;
  9175. }
  9176. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9177. struct link_params *params)
  9178. {
  9179. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9180. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9181. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9182. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9183. }
  9184. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9185. struct link_params *params)
  9186. {
  9187. bnx2x_cl45_write(params->bp, phy,
  9188. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9189. bnx2x_cl45_write(params->bp, phy,
  9190. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9191. }
  9192. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9193. struct link_params *params)
  9194. {
  9195. struct bnx2x *bp = params->bp;
  9196. u8 port;
  9197. u16 val16;
  9198. if (!(CHIP_IS_E1x(bp)))
  9199. port = BP_PATH(bp);
  9200. else
  9201. port = params->port;
  9202. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9203. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9204. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9205. port);
  9206. } else {
  9207. bnx2x_cl45_read(bp, phy,
  9208. MDIO_CTL_DEVAD,
  9209. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9210. val16 |= MDIO_84833_SUPER_ISOLATE;
  9211. bnx2x_cl45_write(bp, phy,
  9212. MDIO_CTL_DEVAD,
  9213. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9214. }
  9215. }
  9216. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9217. struct link_params *params, u8 mode)
  9218. {
  9219. struct bnx2x *bp = params->bp;
  9220. u16 val;
  9221. u8 port;
  9222. if (!(CHIP_IS_E1x(bp)))
  9223. port = BP_PATH(bp);
  9224. else
  9225. port = params->port;
  9226. switch (mode) {
  9227. case LED_MODE_OFF:
  9228. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9229. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9230. SHARED_HW_CFG_LED_EXTPHY1) {
  9231. /* Set LED masks */
  9232. bnx2x_cl45_write(bp, phy,
  9233. MDIO_PMA_DEVAD,
  9234. MDIO_PMA_REG_8481_LED1_MASK,
  9235. 0x0);
  9236. bnx2x_cl45_write(bp, phy,
  9237. MDIO_PMA_DEVAD,
  9238. MDIO_PMA_REG_8481_LED2_MASK,
  9239. 0x0);
  9240. bnx2x_cl45_write(bp, phy,
  9241. MDIO_PMA_DEVAD,
  9242. MDIO_PMA_REG_8481_LED3_MASK,
  9243. 0x0);
  9244. bnx2x_cl45_write(bp, phy,
  9245. MDIO_PMA_DEVAD,
  9246. MDIO_PMA_REG_8481_LED5_MASK,
  9247. 0x0);
  9248. } else {
  9249. bnx2x_cl45_write(bp, phy,
  9250. MDIO_PMA_DEVAD,
  9251. MDIO_PMA_REG_8481_LED1_MASK,
  9252. 0x0);
  9253. }
  9254. break;
  9255. case LED_MODE_FRONT_PANEL_OFF:
  9256. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9257. port);
  9258. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9259. SHARED_HW_CFG_LED_EXTPHY1) {
  9260. /* Set LED masks */
  9261. bnx2x_cl45_write(bp, phy,
  9262. MDIO_PMA_DEVAD,
  9263. MDIO_PMA_REG_8481_LED1_MASK,
  9264. 0x0);
  9265. bnx2x_cl45_write(bp, phy,
  9266. MDIO_PMA_DEVAD,
  9267. MDIO_PMA_REG_8481_LED2_MASK,
  9268. 0x0);
  9269. bnx2x_cl45_write(bp, phy,
  9270. MDIO_PMA_DEVAD,
  9271. MDIO_PMA_REG_8481_LED3_MASK,
  9272. 0x0);
  9273. bnx2x_cl45_write(bp, phy,
  9274. MDIO_PMA_DEVAD,
  9275. MDIO_PMA_REG_8481_LED5_MASK,
  9276. 0x20);
  9277. } else {
  9278. bnx2x_cl45_write(bp, phy,
  9279. MDIO_PMA_DEVAD,
  9280. MDIO_PMA_REG_8481_LED1_MASK,
  9281. 0x0);
  9282. if (phy->type ==
  9283. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9284. /* Disable MI_INT interrupt before setting LED4
  9285. * source to constant off.
  9286. */
  9287. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9288. params->port*4) &
  9289. NIG_MASK_MI_INT) {
  9290. params->link_flags |=
  9291. LINK_FLAGS_INT_DISABLED;
  9292. bnx2x_bits_dis(
  9293. bp,
  9294. NIG_REG_MASK_INTERRUPT_PORT0 +
  9295. params->port*4,
  9296. NIG_MASK_MI_INT);
  9297. }
  9298. bnx2x_cl45_write(bp, phy,
  9299. MDIO_PMA_DEVAD,
  9300. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9301. 0x0);
  9302. }
  9303. }
  9304. break;
  9305. case LED_MODE_ON:
  9306. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9307. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9308. SHARED_HW_CFG_LED_EXTPHY1) {
  9309. /* Set control reg */
  9310. bnx2x_cl45_read(bp, phy,
  9311. MDIO_PMA_DEVAD,
  9312. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9313. &val);
  9314. val &= 0x8000;
  9315. val |= 0x2492;
  9316. bnx2x_cl45_write(bp, phy,
  9317. MDIO_PMA_DEVAD,
  9318. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9319. val);
  9320. /* Set LED masks */
  9321. bnx2x_cl45_write(bp, phy,
  9322. MDIO_PMA_DEVAD,
  9323. MDIO_PMA_REG_8481_LED1_MASK,
  9324. 0x0);
  9325. bnx2x_cl45_write(bp, phy,
  9326. MDIO_PMA_DEVAD,
  9327. MDIO_PMA_REG_8481_LED2_MASK,
  9328. 0x20);
  9329. bnx2x_cl45_write(bp, phy,
  9330. MDIO_PMA_DEVAD,
  9331. MDIO_PMA_REG_8481_LED3_MASK,
  9332. 0x20);
  9333. bnx2x_cl45_write(bp, phy,
  9334. MDIO_PMA_DEVAD,
  9335. MDIO_PMA_REG_8481_LED5_MASK,
  9336. 0x0);
  9337. } else {
  9338. bnx2x_cl45_write(bp, phy,
  9339. MDIO_PMA_DEVAD,
  9340. MDIO_PMA_REG_8481_LED1_MASK,
  9341. 0x20);
  9342. if (phy->type ==
  9343. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9344. /* Disable MI_INT interrupt before setting LED4
  9345. * source to constant on.
  9346. */
  9347. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9348. params->port*4) &
  9349. NIG_MASK_MI_INT) {
  9350. params->link_flags |=
  9351. LINK_FLAGS_INT_DISABLED;
  9352. bnx2x_bits_dis(
  9353. bp,
  9354. NIG_REG_MASK_INTERRUPT_PORT0 +
  9355. params->port*4,
  9356. NIG_MASK_MI_INT);
  9357. }
  9358. bnx2x_cl45_write(bp, phy,
  9359. MDIO_PMA_DEVAD,
  9360. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9361. 0x20);
  9362. }
  9363. }
  9364. break;
  9365. case LED_MODE_OPER:
  9366. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9367. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9368. SHARED_HW_CFG_LED_EXTPHY1) {
  9369. /* Set control reg */
  9370. bnx2x_cl45_read(bp, phy,
  9371. MDIO_PMA_DEVAD,
  9372. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9373. &val);
  9374. if (!((val &
  9375. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9376. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9377. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9378. bnx2x_cl45_write(bp, phy,
  9379. MDIO_PMA_DEVAD,
  9380. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9381. 0xa492);
  9382. }
  9383. /* Set LED masks */
  9384. bnx2x_cl45_write(bp, phy,
  9385. MDIO_PMA_DEVAD,
  9386. MDIO_PMA_REG_8481_LED1_MASK,
  9387. 0x10);
  9388. bnx2x_cl45_write(bp, phy,
  9389. MDIO_PMA_DEVAD,
  9390. MDIO_PMA_REG_8481_LED2_MASK,
  9391. 0x80);
  9392. bnx2x_cl45_write(bp, phy,
  9393. MDIO_PMA_DEVAD,
  9394. MDIO_PMA_REG_8481_LED3_MASK,
  9395. 0x98);
  9396. bnx2x_cl45_write(bp, phy,
  9397. MDIO_PMA_DEVAD,
  9398. MDIO_PMA_REG_8481_LED5_MASK,
  9399. 0x40);
  9400. } else {
  9401. bnx2x_cl45_write(bp, phy,
  9402. MDIO_PMA_DEVAD,
  9403. MDIO_PMA_REG_8481_LED1_MASK,
  9404. 0x80);
  9405. /* Tell LED3 to blink on source */
  9406. bnx2x_cl45_read(bp, phy,
  9407. MDIO_PMA_DEVAD,
  9408. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9409. &val);
  9410. val &= ~(7<<6);
  9411. val |= (1<<6); /* A83B[8:6]= 1 */
  9412. bnx2x_cl45_write(bp, phy,
  9413. MDIO_PMA_DEVAD,
  9414. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9415. val);
  9416. if (phy->type ==
  9417. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9418. /* Restore LED4 source to external link,
  9419. * and re-enable interrupts.
  9420. */
  9421. bnx2x_cl45_write(bp, phy,
  9422. MDIO_PMA_DEVAD,
  9423. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9424. 0x40);
  9425. if (params->link_flags &
  9426. LINK_FLAGS_INT_DISABLED) {
  9427. bnx2x_link_int_enable(params);
  9428. params->link_flags &=
  9429. ~LINK_FLAGS_INT_DISABLED;
  9430. }
  9431. }
  9432. }
  9433. break;
  9434. }
  9435. /* This is a workaround for E3+84833 until autoneg
  9436. * restart is fixed in f/w
  9437. */
  9438. if (CHIP_IS_E3(bp)) {
  9439. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9440. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9441. }
  9442. }
  9443. /******************************************************************/
  9444. /* 54618SE PHY SECTION */
  9445. /******************************************************************/
  9446. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9447. struct link_params *params,
  9448. u32 action)
  9449. {
  9450. struct bnx2x *bp = params->bp;
  9451. u16 temp;
  9452. switch (action) {
  9453. case PHY_INIT:
  9454. /* Configure LED4: set to INTR (0x6). */
  9455. /* Accessing shadow register 0xe. */
  9456. bnx2x_cl22_write(bp, phy,
  9457. MDIO_REG_GPHY_SHADOW,
  9458. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9459. bnx2x_cl22_read(bp, phy,
  9460. MDIO_REG_GPHY_SHADOW,
  9461. &temp);
  9462. temp &= ~(0xf << 4);
  9463. temp |= (0x6 << 4);
  9464. bnx2x_cl22_write(bp, phy,
  9465. MDIO_REG_GPHY_SHADOW,
  9466. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9467. /* Configure INTR based on link status change. */
  9468. bnx2x_cl22_write(bp, phy,
  9469. MDIO_REG_INTR_MASK,
  9470. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9471. break;
  9472. }
  9473. }
  9474. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9475. struct link_params *params,
  9476. struct link_vars *vars)
  9477. {
  9478. struct bnx2x *bp = params->bp;
  9479. u8 port;
  9480. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9481. u32 cfg_pin;
  9482. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9483. usleep_range(1000, 2000);
  9484. /* This works with E3 only, no need to check the chip
  9485. * before determining the port.
  9486. */
  9487. port = params->port;
  9488. cfg_pin = (REG_RD(bp, params->shmem_base +
  9489. offsetof(struct shmem_region,
  9490. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9491. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9492. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9493. /* Drive pin high to bring the GPHY out of reset. */
  9494. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9495. /* wait for GPHY to reset */
  9496. msleep(50);
  9497. /* reset phy */
  9498. bnx2x_cl22_write(bp, phy,
  9499. MDIO_PMA_REG_CTRL, 0x8000);
  9500. bnx2x_wait_reset_complete(bp, phy, params);
  9501. /* Wait for GPHY to reset */
  9502. msleep(50);
  9503. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9504. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9505. bnx2x_cl22_write(bp, phy,
  9506. MDIO_REG_GPHY_SHADOW,
  9507. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9508. bnx2x_cl22_read(bp, phy,
  9509. MDIO_REG_GPHY_SHADOW,
  9510. &temp);
  9511. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9512. bnx2x_cl22_write(bp, phy,
  9513. MDIO_REG_GPHY_SHADOW,
  9514. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9515. /* Set up fc */
  9516. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9517. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9518. fc_val = 0;
  9519. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9520. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9521. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9522. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9523. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9524. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9525. /* Read all advertisement */
  9526. bnx2x_cl22_read(bp, phy,
  9527. 0x09,
  9528. &an_1000_val);
  9529. bnx2x_cl22_read(bp, phy,
  9530. 0x04,
  9531. &an_10_100_val);
  9532. bnx2x_cl22_read(bp, phy,
  9533. MDIO_PMA_REG_CTRL,
  9534. &autoneg_val);
  9535. /* Disable forced speed */
  9536. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9537. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9538. (1<<11));
  9539. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9540. (phy->speed_cap_mask &
  9541. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9542. (phy->req_line_speed == SPEED_1000)) {
  9543. an_1000_val |= (1<<8);
  9544. autoneg_val |= (1<<9 | 1<<12);
  9545. if (phy->req_duplex == DUPLEX_FULL)
  9546. an_1000_val |= (1<<9);
  9547. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9548. } else
  9549. an_1000_val &= ~((1<<8) | (1<<9));
  9550. bnx2x_cl22_write(bp, phy,
  9551. 0x09,
  9552. an_1000_val);
  9553. bnx2x_cl22_read(bp, phy,
  9554. 0x09,
  9555. &an_1000_val);
  9556. /* Set 100 speed advertisement */
  9557. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9558. (phy->speed_cap_mask &
  9559. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9560. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9561. an_10_100_val |= (1<<7);
  9562. /* Enable autoneg and restart autoneg for legacy speeds */
  9563. autoneg_val |= (1<<9 | 1<<12);
  9564. if (phy->req_duplex == DUPLEX_FULL)
  9565. an_10_100_val |= (1<<8);
  9566. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9567. }
  9568. /* Set 10 speed advertisement */
  9569. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9570. (phy->speed_cap_mask &
  9571. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9572. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9573. an_10_100_val |= (1<<5);
  9574. autoneg_val |= (1<<9 | 1<<12);
  9575. if (phy->req_duplex == DUPLEX_FULL)
  9576. an_10_100_val |= (1<<6);
  9577. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9578. }
  9579. /* Only 10/100 are allowed to work in FORCE mode */
  9580. if (phy->req_line_speed == SPEED_100) {
  9581. autoneg_val |= (1<<13);
  9582. /* Enabled AUTO-MDIX when autoneg is disabled */
  9583. bnx2x_cl22_write(bp, phy,
  9584. 0x18,
  9585. (1<<15 | 1<<9 | 7<<0));
  9586. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9587. }
  9588. if (phy->req_line_speed == SPEED_10) {
  9589. /* Enabled AUTO-MDIX when autoneg is disabled */
  9590. bnx2x_cl22_write(bp, phy,
  9591. 0x18,
  9592. (1<<15 | 1<<9 | 7<<0));
  9593. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9594. }
  9595. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9596. int rc;
  9597. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9598. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9599. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9600. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9601. temp &= 0xfffe;
  9602. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9603. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9604. if (rc) {
  9605. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9606. bnx2x_eee_disable(phy, params, vars);
  9607. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9608. (phy->req_duplex == DUPLEX_FULL) &&
  9609. (bnx2x_eee_calc_timer(params) ||
  9610. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9611. /* Need to advertise EEE only when requested,
  9612. * and either no LPI assertion was requested,
  9613. * or it was requested and a valid timer was set.
  9614. * Also notice full duplex is required for EEE.
  9615. */
  9616. bnx2x_eee_advertise(phy, params, vars,
  9617. SHMEM_EEE_1G_ADV);
  9618. } else {
  9619. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9620. bnx2x_eee_disable(phy, params, vars);
  9621. }
  9622. } else {
  9623. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9624. SHMEM_EEE_SUPPORTED_SHIFT;
  9625. if (phy->flags & FLAGS_EEE) {
  9626. /* Handle legacy auto-grEEEn */
  9627. if (params->feature_config_flags &
  9628. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9629. temp = 6;
  9630. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9631. } else {
  9632. temp = 0;
  9633. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9634. }
  9635. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9636. MDIO_AN_REG_EEE_ADV, temp);
  9637. }
  9638. }
  9639. bnx2x_cl22_write(bp, phy,
  9640. 0x04,
  9641. an_10_100_val | fc_val);
  9642. if (phy->req_duplex == DUPLEX_FULL)
  9643. autoneg_val |= (1<<8);
  9644. bnx2x_cl22_write(bp, phy,
  9645. MDIO_PMA_REG_CTRL, autoneg_val);
  9646. return 0;
  9647. }
  9648. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9649. struct link_params *params, u8 mode)
  9650. {
  9651. struct bnx2x *bp = params->bp;
  9652. u16 temp;
  9653. bnx2x_cl22_write(bp, phy,
  9654. MDIO_REG_GPHY_SHADOW,
  9655. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9656. bnx2x_cl22_read(bp, phy,
  9657. MDIO_REG_GPHY_SHADOW,
  9658. &temp);
  9659. temp &= 0xff00;
  9660. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9661. switch (mode) {
  9662. case LED_MODE_FRONT_PANEL_OFF:
  9663. case LED_MODE_OFF:
  9664. temp |= 0x00ee;
  9665. break;
  9666. case LED_MODE_OPER:
  9667. temp |= 0x0001;
  9668. break;
  9669. case LED_MODE_ON:
  9670. temp |= 0x00ff;
  9671. break;
  9672. default:
  9673. break;
  9674. }
  9675. bnx2x_cl22_write(bp, phy,
  9676. MDIO_REG_GPHY_SHADOW,
  9677. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9678. return;
  9679. }
  9680. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9681. struct link_params *params)
  9682. {
  9683. struct bnx2x *bp = params->bp;
  9684. u32 cfg_pin;
  9685. u8 port;
  9686. /* In case of no EPIO routed to reset the GPHY, put it
  9687. * in low power mode.
  9688. */
  9689. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9690. /* This works with E3 only, no need to check the chip
  9691. * before determining the port.
  9692. */
  9693. port = params->port;
  9694. cfg_pin = (REG_RD(bp, params->shmem_base +
  9695. offsetof(struct shmem_region,
  9696. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9697. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9698. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9699. /* Drive pin low to put GPHY in reset. */
  9700. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9701. }
  9702. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9703. struct link_params *params,
  9704. struct link_vars *vars)
  9705. {
  9706. struct bnx2x *bp = params->bp;
  9707. u16 val;
  9708. u8 link_up = 0;
  9709. u16 legacy_status, legacy_speed;
  9710. /* Get speed operation status */
  9711. bnx2x_cl22_read(bp, phy,
  9712. MDIO_REG_GPHY_AUX_STATUS,
  9713. &legacy_status);
  9714. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9715. /* Read status to clear the PHY interrupt. */
  9716. bnx2x_cl22_read(bp, phy,
  9717. MDIO_REG_INTR_STATUS,
  9718. &val);
  9719. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9720. if (link_up) {
  9721. legacy_speed = (legacy_status & (7<<8));
  9722. if (legacy_speed == (7<<8)) {
  9723. vars->line_speed = SPEED_1000;
  9724. vars->duplex = DUPLEX_FULL;
  9725. } else if (legacy_speed == (6<<8)) {
  9726. vars->line_speed = SPEED_1000;
  9727. vars->duplex = DUPLEX_HALF;
  9728. } else if (legacy_speed == (5<<8)) {
  9729. vars->line_speed = SPEED_100;
  9730. vars->duplex = DUPLEX_FULL;
  9731. }
  9732. /* Omitting 100Base-T4 for now */
  9733. else if (legacy_speed == (3<<8)) {
  9734. vars->line_speed = SPEED_100;
  9735. vars->duplex = DUPLEX_HALF;
  9736. } else if (legacy_speed == (2<<8)) {
  9737. vars->line_speed = SPEED_10;
  9738. vars->duplex = DUPLEX_FULL;
  9739. } else if (legacy_speed == (1<<8)) {
  9740. vars->line_speed = SPEED_10;
  9741. vars->duplex = DUPLEX_HALF;
  9742. } else /* Should not happen */
  9743. vars->line_speed = 0;
  9744. DP(NETIF_MSG_LINK,
  9745. "Link is up in %dMbps, is_duplex_full= %d\n",
  9746. vars->line_speed,
  9747. (vars->duplex == DUPLEX_FULL));
  9748. /* Check legacy speed AN resolution */
  9749. bnx2x_cl22_read(bp, phy,
  9750. 0x01,
  9751. &val);
  9752. if (val & (1<<5))
  9753. vars->link_status |=
  9754. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9755. bnx2x_cl22_read(bp, phy,
  9756. 0x06,
  9757. &val);
  9758. if ((val & (1<<0)) == 0)
  9759. vars->link_status |=
  9760. LINK_STATUS_PARALLEL_DETECTION_USED;
  9761. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9762. vars->line_speed);
  9763. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9764. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9765. /* Report LP advertised speeds */
  9766. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9767. if (val & (1<<5))
  9768. vars->link_status |=
  9769. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9770. if (val & (1<<6))
  9771. vars->link_status |=
  9772. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9773. if (val & (1<<7))
  9774. vars->link_status |=
  9775. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9776. if (val & (1<<8))
  9777. vars->link_status |=
  9778. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9779. if (val & (1<<9))
  9780. vars->link_status |=
  9781. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9782. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9783. if (val & (1<<10))
  9784. vars->link_status |=
  9785. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9786. if (val & (1<<11))
  9787. vars->link_status |=
  9788. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9789. if ((phy->flags & FLAGS_EEE) &&
  9790. bnx2x_eee_has_cap(params))
  9791. bnx2x_eee_an_resolve(phy, params, vars);
  9792. }
  9793. }
  9794. return link_up;
  9795. }
  9796. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9797. struct link_params *params)
  9798. {
  9799. struct bnx2x *bp = params->bp;
  9800. u16 val;
  9801. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9802. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9803. /* Enable master/slave manual mmode and set to master */
  9804. /* mii write 9 [bits set 11 12] */
  9805. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9806. /* forced 1G and disable autoneg */
  9807. /* set val [mii read 0] */
  9808. /* set val [expr $val & [bits clear 6 12 13]] */
  9809. /* set val [expr $val | [bits set 6 8]] */
  9810. /* mii write 0 $val */
  9811. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9812. val &= ~((1<<6) | (1<<12) | (1<<13));
  9813. val |= (1<<6) | (1<<8);
  9814. bnx2x_cl22_write(bp, phy, 0x00, val);
  9815. /* Set external loopback and Tx using 6dB coding */
  9816. /* mii write 0x18 7 */
  9817. /* set val [mii read 0x18] */
  9818. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9819. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9820. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9821. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9822. /* This register opens the gate for the UMAC despite its name */
  9823. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9824. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9825. * length used by the MAC receive logic to check frames.
  9826. */
  9827. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9828. }
  9829. /******************************************************************/
  9830. /* SFX7101 PHY SECTION */
  9831. /******************************************************************/
  9832. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9833. struct link_params *params)
  9834. {
  9835. struct bnx2x *bp = params->bp;
  9836. /* SFX7101_XGXS_TEST1 */
  9837. bnx2x_cl45_write(bp, phy,
  9838. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9839. }
  9840. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9841. struct link_params *params,
  9842. struct link_vars *vars)
  9843. {
  9844. u16 fw_ver1, fw_ver2, val;
  9845. struct bnx2x *bp = params->bp;
  9846. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9847. /* Restore normal power mode*/
  9848. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9849. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9850. /* HW reset */
  9851. bnx2x_ext_phy_hw_reset(bp, params->port);
  9852. bnx2x_wait_reset_complete(bp, phy, params);
  9853. bnx2x_cl45_write(bp, phy,
  9854. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9855. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9856. bnx2x_cl45_write(bp, phy,
  9857. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9858. bnx2x_ext_phy_set_pause(params, phy, vars);
  9859. /* Restart autoneg */
  9860. bnx2x_cl45_read(bp, phy,
  9861. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9862. val |= 0x200;
  9863. bnx2x_cl45_write(bp, phy,
  9864. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9865. /* Save spirom version */
  9866. bnx2x_cl45_read(bp, phy,
  9867. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9868. bnx2x_cl45_read(bp, phy,
  9869. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9870. bnx2x_save_spirom_version(bp, params->port,
  9871. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9872. return 0;
  9873. }
  9874. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9875. struct link_params *params,
  9876. struct link_vars *vars)
  9877. {
  9878. struct bnx2x *bp = params->bp;
  9879. u8 link_up;
  9880. u16 val1, val2;
  9881. bnx2x_cl45_read(bp, phy,
  9882. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9883. bnx2x_cl45_read(bp, phy,
  9884. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9885. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9886. val2, val1);
  9887. bnx2x_cl45_read(bp, phy,
  9888. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9889. bnx2x_cl45_read(bp, phy,
  9890. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9891. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9892. val2, val1);
  9893. link_up = ((val1 & 4) == 4);
  9894. /* If link is up print the AN outcome of the SFX7101 PHY */
  9895. if (link_up) {
  9896. bnx2x_cl45_read(bp, phy,
  9897. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9898. &val2);
  9899. vars->line_speed = SPEED_10000;
  9900. vars->duplex = DUPLEX_FULL;
  9901. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9902. val2, (val2 & (1<<14)));
  9903. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9904. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9905. /* Read LP advertised speeds */
  9906. if (val2 & (1<<11))
  9907. vars->link_status |=
  9908. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9909. }
  9910. return link_up;
  9911. }
  9912. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9913. {
  9914. if (*len < 5)
  9915. return -EINVAL;
  9916. str[0] = (spirom_ver & 0xFF);
  9917. str[1] = (spirom_ver & 0xFF00) >> 8;
  9918. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9919. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9920. str[4] = '\0';
  9921. *len -= 5;
  9922. return 0;
  9923. }
  9924. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9925. {
  9926. u16 val, cnt;
  9927. bnx2x_cl45_read(bp, phy,
  9928. MDIO_PMA_DEVAD,
  9929. MDIO_PMA_REG_7101_RESET, &val);
  9930. for (cnt = 0; cnt < 10; cnt++) {
  9931. msleep(50);
  9932. /* Writes a self-clearing reset */
  9933. bnx2x_cl45_write(bp, phy,
  9934. MDIO_PMA_DEVAD,
  9935. MDIO_PMA_REG_7101_RESET,
  9936. (val | (1<<15)));
  9937. /* Wait for clear */
  9938. bnx2x_cl45_read(bp, phy,
  9939. MDIO_PMA_DEVAD,
  9940. MDIO_PMA_REG_7101_RESET, &val);
  9941. if ((val & (1<<15)) == 0)
  9942. break;
  9943. }
  9944. }
  9945. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9946. struct link_params *params) {
  9947. /* Low power mode is controlled by GPIO 2 */
  9948. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9949. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9950. /* The PHY reset is controlled by GPIO 1 */
  9951. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9952. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9953. }
  9954. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9955. struct link_params *params, u8 mode)
  9956. {
  9957. u16 val = 0;
  9958. struct bnx2x *bp = params->bp;
  9959. switch (mode) {
  9960. case LED_MODE_FRONT_PANEL_OFF:
  9961. case LED_MODE_OFF:
  9962. val = 2;
  9963. break;
  9964. case LED_MODE_ON:
  9965. val = 1;
  9966. break;
  9967. case LED_MODE_OPER:
  9968. val = 0;
  9969. break;
  9970. }
  9971. bnx2x_cl45_write(bp, phy,
  9972. MDIO_PMA_DEVAD,
  9973. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9974. val);
  9975. }
  9976. /******************************************************************/
  9977. /* STATIC PHY DECLARATION */
  9978. /******************************************************************/
  9979. static const struct bnx2x_phy phy_null = {
  9980. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9981. .addr = 0,
  9982. .def_md_devad = 0,
  9983. .flags = FLAGS_INIT_XGXS_FIRST,
  9984. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9985. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9986. .mdio_ctrl = 0,
  9987. .supported = 0,
  9988. .media_type = ETH_PHY_NOT_PRESENT,
  9989. .ver_addr = 0,
  9990. .req_flow_ctrl = 0,
  9991. .req_line_speed = 0,
  9992. .speed_cap_mask = 0,
  9993. .req_duplex = 0,
  9994. .rsrv = 0,
  9995. .config_init = (config_init_t)NULL,
  9996. .read_status = (read_status_t)NULL,
  9997. .link_reset = (link_reset_t)NULL,
  9998. .config_loopback = (config_loopback_t)NULL,
  9999. .format_fw_ver = (format_fw_ver_t)NULL,
  10000. .hw_reset = (hw_reset_t)NULL,
  10001. .set_link_led = (set_link_led_t)NULL,
  10002. .phy_specific_func = (phy_specific_func_t)NULL
  10003. };
  10004. static const struct bnx2x_phy phy_serdes = {
  10005. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10006. .addr = 0xff,
  10007. .def_md_devad = 0,
  10008. .flags = 0,
  10009. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10010. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10011. .mdio_ctrl = 0,
  10012. .supported = (SUPPORTED_10baseT_Half |
  10013. SUPPORTED_10baseT_Full |
  10014. SUPPORTED_100baseT_Half |
  10015. SUPPORTED_100baseT_Full |
  10016. SUPPORTED_1000baseT_Full |
  10017. SUPPORTED_2500baseX_Full |
  10018. SUPPORTED_TP |
  10019. SUPPORTED_Autoneg |
  10020. SUPPORTED_Pause |
  10021. SUPPORTED_Asym_Pause),
  10022. .media_type = ETH_PHY_BASE_T,
  10023. .ver_addr = 0,
  10024. .req_flow_ctrl = 0,
  10025. .req_line_speed = 0,
  10026. .speed_cap_mask = 0,
  10027. .req_duplex = 0,
  10028. .rsrv = 0,
  10029. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10030. .read_status = (read_status_t)bnx2x_link_settings_status,
  10031. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10032. .config_loopback = (config_loopback_t)NULL,
  10033. .format_fw_ver = (format_fw_ver_t)NULL,
  10034. .hw_reset = (hw_reset_t)NULL,
  10035. .set_link_led = (set_link_led_t)NULL,
  10036. .phy_specific_func = (phy_specific_func_t)NULL
  10037. };
  10038. static const struct bnx2x_phy phy_xgxs = {
  10039. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10040. .addr = 0xff,
  10041. .def_md_devad = 0,
  10042. .flags = 0,
  10043. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10044. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10045. .mdio_ctrl = 0,
  10046. .supported = (SUPPORTED_10baseT_Half |
  10047. SUPPORTED_10baseT_Full |
  10048. SUPPORTED_100baseT_Half |
  10049. SUPPORTED_100baseT_Full |
  10050. SUPPORTED_1000baseT_Full |
  10051. SUPPORTED_2500baseX_Full |
  10052. SUPPORTED_10000baseT_Full |
  10053. SUPPORTED_FIBRE |
  10054. SUPPORTED_Autoneg |
  10055. SUPPORTED_Pause |
  10056. SUPPORTED_Asym_Pause),
  10057. .media_type = ETH_PHY_CX4,
  10058. .ver_addr = 0,
  10059. .req_flow_ctrl = 0,
  10060. .req_line_speed = 0,
  10061. .speed_cap_mask = 0,
  10062. .req_duplex = 0,
  10063. .rsrv = 0,
  10064. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10065. .read_status = (read_status_t)bnx2x_link_settings_status,
  10066. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10067. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10068. .format_fw_ver = (format_fw_ver_t)NULL,
  10069. .hw_reset = (hw_reset_t)NULL,
  10070. .set_link_led = (set_link_led_t)NULL,
  10071. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10072. };
  10073. static const struct bnx2x_phy phy_warpcore = {
  10074. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10075. .addr = 0xff,
  10076. .def_md_devad = 0,
  10077. .flags = FLAGS_TX_ERROR_CHECK,
  10078. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10079. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10080. .mdio_ctrl = 0,
  10081. .supported = (SUPPORTED_10baseT_Half |
  10082. SUPPORTED_10baseT_Full |
  10083. SUPPORTED_100baseT_Half |
  10084. SUPPORTED_100baseT_Full |
  10085. SUPPORTED_1000baseT_Full |
  10086. SUPPORTED_10000baseT_Full |
  10087. SUPPORTED_20000baseKR2_Full |
  10088. SUPPORTED_20000baseMLD2_Full |
  10089. SUPPORTED_FIBRE |
  10090. SUPPORTED_Autoneg |
  10091. SUPPORTED_Pause |
  10092. SUPPORTED_Asym_Pause),
  10093. .media_type = ETH_PHY_UNSPECIFIED,
  10094. .ver_addr = 0,
  10095. .req_flow_ctrl = 0,
  10096. .req_line_speed = 0,
  10097. .speed_cap_mask = 0,
  10098. /* req_duplex = */0,
  10099. /* rsrv = */0,
  10100. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10101. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10102. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10103. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10104. .format_fw_ver = (format_fw_ver_t)NULL,
  10105. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10106. .set_link_led = (set_link_led_t)NULL,
  10107. .phy_specific_func = (phy_specific_func_t)NULL
  10108. };
  10109. static const struct bnx2x_phy phy_7101 = {
  10110. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10111. .addr = 0xff,
  10112. .def_md_devad = 0,
  10113. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10114. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10115. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10116. .mdio_ctrl = 0,
  10117. .supported = (SUPPORTED_10000baseT_Full |
  10118. SUPPORTED_TP |
  10119. SUPPORTED_Autoneg |
  10120. SUPPORTED_Pause |
  10121. SUPPORTED_Asym_Pause),
  10122. .media_type = ETH_PHY_BASE_T,
  10123. .ver_addr = 0,
  10124. .req_flow_ctrl = 0,
  10125. .req_line_speed = 0,
  10126. .speed_cap_mask = 0,
  10127. .req_duplex = 0,
  10128. .rsrv = 0,
  10129. .config_init = (config_init_t)bnx2x_7101_config_init,
  10130. .read_status = (read_status_t)bnx2x_7101_read_status,
  10131. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10132. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10133. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10134. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10135. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10136. .phy_specific_func = (phy_specific_func_t)NULL
  10137. };
  10138. static const struct bnx2x_phy phy_8073 = {
  10139. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10140. .addr = 0xff,
  10141. .def_md_devad = 0,
  10142. .flags = 0,
  10143. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10144. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10145. .mdio_ctrl = 0,
  10146. .supported = (SUPPORTED_10000baseT_Full |
  10147. SUPPORTED_2500baseX_Full |
  10148. SUPPORTED_1000baseT_Full |
  10149. SUPPORTED_FIBRE |
  10150. SUPPORTED_Autoneg |
  10151. SUPPORTED_Pause |
  10152. SUPPORTED_Asym_Pause),
  10153. .media_type = ETH_PHY_KR,
  10154. .ver_addr = 0,
  10155. .req_flow_ctrl = 0,
  10156. .req_line_speed = 0,
  10157. .speed_cap_mask = 0,
  10158. .req_duplex = 0,
  10159. .rsrv = 0,
  10160. .config_init = (config_init_t)bnx2x_8073_config_init,
  10161. .read_status = (read_status_t)bnx2x_8073_read_status,
  10162. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10163. .config_loopback = (config_loopback_t)NULL,
  10164. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10165. .hw_reset = (hw_reset_t)NULL,
  10166. .set_link_led = (set_link_led_t)NULL,
  10167. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10168. };
  10169. static const struct bnx2x_phy phy_8705 = {
  10170. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10171. .addr = 0xff,
  10172. .def_md_devad = 0,
  10173. .flags = FLAGS_INIT_XGXS_FIRST,
  10174. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10175. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10176. .mdio_ctrl = 0,
  10177. .supported = (SUPPORTED_10000baseT_Full |
  10178. SUPPORTED_FIBRE |
  10179. SUPPORTED_Pause |
  10180. SUPPORTED_Asym_Pause),
  10181. .media_type = ETH_PHY_XFP_FIBER,
  10182. .ver_addr = 0,
  10183. .req_flow_ctrl = 0,
  10184. .req_line_speed = 0,
  10185. .speed_cap_mask = 0,
  10186. .req_duplex = 0,
  10187. .rsrv = 0,
  10188. .config_init = (config_init_t)bnx2x_8705_config_init,
  10189. .read_status = (read_status_t)bnx2x_8705_read_status,
  10190. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10191. .config_loopback = (config_loopback_t)NULL,
  10192. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10193. .hw_reset = (hw_reset_t)NULL,
  10194. .set_link_led = (set_link_led_t)NULL,
  10195. .phy_specific_func = (phy_specific_func_t)NULL
  10196. };
  10197. static const struct bnx2x_phy phy_8706 = {
  10198. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10199. .addr = 0xff,
  10200. .def_md_devad = 0,
  10201. .flags = FLAGS_INIT_XGXS_FIRST,
  10202. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10203. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10204. .mdio_ctrl = 0,
  10205. .supported = (SUPPORTED_10000baseT_Full |
  10206. SUPPORTED_1000baseT_Full |
  10207. SUPPORTED_FIBRE |
  10208. SUPPORTED_Pause |
  10209. SUPPORTED_Asym_Pause),
  10210. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10211. .ver_addr = 0,
  10212. .req_flow_ctrl = 0,
  10213. .req_line_speed = 0,
  10214. .speed_cap_mask = 0,
  10215. .req_duplex = 0,
  10216. .rsrv = 0,
  10217. .config_init = (config_init_t)bnx2x_8706_config_init,
  10218. .read_status = (read_status_t)bnx2x_8706_read_status,
  10219. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10220. .config_loopback = (config_loopback_t)NULL,
  10221. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10222. .hw_reset = (hw_reset_t)NULL,
  10223. .set_link_led = (set_link_led_t)NULL,
  10224. .phy_specific_func = (phy_specific_func_t)NULL
  10225. };
  10226. static const struct bnx2x_phy phy_8726 = {
  10227. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10228. .addr = 0xff,
  10229. .def_md_devad = 0,
  10230. .flags = (FLAGS_INIT_XGXS_FIRST |
  10231. FLAGS_TX_ERROR_CHECK),
  10232. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10233. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10234. .mdio_ctrl = 0,
  10235. .supported = (SUPPORTED_10000baseT_Full |
  10236. SUPPORTED_1000baseT_Full |
  10237. SUPPORTED_Autoneg |
  10238. SUPPORTED_FIBRE |
  10239. SUPPORTED_Pause |
  10240. SUPPORTED_Asym_Pause),
  10241. .media_type = ETH_PHY_NOT_PRESENT,
  10242. .ver_addr = 0,
  10243. .req_flow_ctrl = 0,
  10244. .req_line_speed = 0,
  10245. .speed_cap_mask = 0,
  10246. .req_duplex = 0,
  10247. .rsrv = 0,
  10248. .config_init = (config_init_t)bnx2x_8726_config_init,
  10249. .read_status = (read_status_t)bnx2x_8726_read_status,
  10250. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10251. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10252. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10253. .hw_reset = (hw_reset_t)NULL,
  10254. .set_link_led = (set_link_led_t)NULL,
  10255. .phy_specific_func = (phy_specific_func_t)NULL
  10256. };
  10257. static const struct bnx2x_phy phy_8727 = {
  10258. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10259. .addr = 0xff,
  10260. .def_md_devad = 0,
  10261. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10262. FLAGS_TX_ERROR_CHECK),
  10263. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10264. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10265. .mdio_ctrl = 0,
  10266. .supported = (SUPPORTED_10000baseT_Full |
  10267. SUPPORTED_1000baseT_Full |
  10268. SUPPORTED_FIBRE |
  10269. SUPPORTED_Pause |
  10270. SUPPORTED_Asym_Pause),
  10271. .media_type = ETH_PHY_NOT_PRESENT,
  10272. .ver_addr = 0,
  10273. .req_flow_ctrl = 0,
  10274. .req_line_speed = 0,
  10275. .speed_cap_mask = 0,
  10276. .req_duplex = 0,
  10277. .rsrv = 0,
  10278. .config_init = (config_init_t)bnx2x_8727_config_init,
  10279. .read_status = (read_status_t)bnx2x_8727_read_status,
  10280. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10281. .config_loopback = (config_loopback_t)NULL,
  10282. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10283. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10284. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10285. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10286. };
  10287. static const struct bnx2x_phy phy_8481 = {
  10288. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10289. .addr = 0xff,
  10290. .def_md_devad = 0,
  10291. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10292. FLAGS_REARM_LATCH_SIGNAL,
  10293. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10294. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10295. .mdio_ctrl = 0,
  10296. .supported = (SUPPORTED_10baseT_Half |
  10297. SUPPORTED_10baseT_Full |
  10298. SUPPORTED_100baseT_Half |
  10299. SUPPORTED_100baseT_Full |
  10300. SUPPORTED_1000baseT_Full |
  10301. SUPPORTED_10000baseT_Full |
  10302. SUPPORTED_TP |
  10303. SUPPORTED_Autoneg |
  10304. SUPPORTED_Pause |
  10305. SUPPORTED_Asym_Pause),
  10306. .media_type = ETH_PHY_BASE_T,
  10307. .ver_addr = 0,
  10308. .req_flow_ctrl = 0,
  10309. .req_line_speed = 0,
  10310. .speed_cap_mask = 0,
  10311. .req_duplex = 0,
  10312. .rsrv = 0,
  10313. .config_init = (config_init_t)bnx2x_8481_config_init,
  10314. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10315. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10316. .config_loopback = (config_loopback_t)NULL,
  10317. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10318. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10319. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10320. .phy_specific_func = (phy_specific_func_t)NULL
  10321. };
  10322. static const struct bnx2x_phy phy_84823 = {
  10323. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10324. .addr = 0xff,
  10325. .def_md_devad = 0,
  10326. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10327. FLAGS_REARM_LATCH_SIGNAL |
  10328. FLAGS_TX_ERROR_CHECK),
  10329. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10330. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10331. .mdio_ctrl = 0,
  10332. .supported = (SUPPORTED_10baseT_Half |
  10333. SUPPORTED_10baseT_Full |
  10334. SUPPORTED_100baseT_Half |
  10335. SUPPORTED_100baseT_Full |
  10336. SUPPORTED_1000baseT_Full |
  10337. SUPPORTED_10000baseT_Full |
  10338. SUPPORTED_TP |
  10339. SUPPORTED_Autoneg |
  10340. SUPPORTED_Pause |
  10341. SUPPORTED_Asym_Pause),
  10342. .media_type = ETH_PHY_BASE_T,
  10343. .ver_addr = 0,
  10344. .req_flow_ctrl = 0,
  10345. .req_line_speed = 0,
  10346. .speed_cap_mask = 0,
  10347. .req_duplex = 0,
  10348. .rsrv = 0,
  10349. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10350. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10351. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10352. .config_loopback = (config_loopback_t)NULL,
  10353. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10354. .hw_reset = (hw_reset_t)NULL,
  10355. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10356. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10357. };
  10358. static const struct bnx2x_phy phy_84833 = {
  10359. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10360. .addr = 0xff,
  10361. .def_md_devad = 0,
  10362. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10363. FLAGS_REARM_LATCH_SIGNAL |
  10364. FLAGS_TX_ERROR_CHECK),
  10365. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10366. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10367. .mdio_ctrl = 0,
  10368. .supported = (SUPPORTED_100baseT_Half |
  10369. SUPPORTED_100baseT_Full |
  10370. SUPPORTED_1000baseT_Full |
  10371. SUPPORTED_10000baseT_Full |
  10372. SUPPORTED_TP |
  10373. SUPPORTED_Autoneg |
  10374. SUPPORTED_Pause |
  10375. SUPPORTED_Asym_Pause),
  10376. .media_type = ETH_PHY_BASE_T,
  10377. .ver_addr = 0,
  10378. .req_flow_ctrl = 0,
  10379. .req_line_speed = 0,
  10380. .speed_cap_mask = 0,
  10381. .req_duplex = 0,
  10382. .rsrv = 0,
  10383. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10384. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10385. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10386. .config_loopback = (config_loopback_t)NULL,
  10387. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10388. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10389. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10390. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10391. };
  10392. static const struct bnx2x_phy phy_84834 = {
  10393. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10394. .addr = 0xff,
  10395. .def_md_devad = 0,
  10396. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10397. FLAGS_REARM_LATCH_SIGNAL,
  10398. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10399. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10400. .mdio_ctrl = 0,
  10401. .supported = (SUPPORTED_100baseT_Half |
  10402. SUPPORTED_100baseT_Full |
  10403. SUPPORTED_1000baseT_Full |
  10404. SUPPORTED_10000baseT_Full |
  10405. SUPPORTED_TP |
  10406. SUPPORTED_Autoneg |
  10407. SUPPORTED_Pause |
  10408. SUPPORTED_Asym_Pause),
  10409. .media_type = ETH_PHY_BASE_T,
  10410. .ver_addr = 0,
  10411. .req_flow_ctrl = 0,
  10412. .req_line_speed = 0,
  10413. .speed_cap_mask = 0,
  10414. .req_duplex = 0,
  10415. .rsrv = 0,
  10416. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10417. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10418. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10419. .config_loopback = (config_loopback_t)NULL,
  10420. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10421. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10422. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10423. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10424. };
  10425. static const struct bnx2x_phy phy_54618se = {
  10426. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10427. .addr = 0xff,
  10428. .def_md_devad = 0,
  10429. .flags = FLAGS_INIT_XGXS_FIRST,
  10430. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10431. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10432. .mdio_ctrl = 0,
  10433. .supported = (SUPPORTED_10baseT_Half |
  10434. SUPPORTED_10baseT_Full |
  10435. SUPPORTED_100baseT_Half |
  10436. SUPPORTED_100baseT_Full |
  10437. SUPPORTED_1000baseT_Full |
  10438. SUPPORTED_TP |
  10439. SUPPORTED_Autoneg |
  10440. SUPPORTED_Pause |
  10441. SUPPORTED_Asym_Pause),
  10442. .media_type = ETH_PHY_BASE_T,
  10443. .ver_addr = 0,
  10444. .req_flow_ctrl = 0,
  10445. .req_line_speed = 0,
  10446. .speed_cap_mask = 0,
  10447. /* req_duplex = */0,
  10448. /* rsrv = */0,
  10449. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10450. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10451. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10452. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10453. .format_fw_ver = (format_fw_ver_t)NULL,
  10454. .hw_reset = (hw_reset_t)NULL,
  10455. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10456. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10457. };
  10458. /*****************************************************************/
  10459. /* */
  10460. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10461. /* */
  10462. /*****************************************************************/
  10463. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10464. struct bnx2x_phy *phy, u8 port,
  10465. u8 phy_index)
  10466. {
  10467. /* Get the 4 lanes xgxs config rx and tx */
  10468. u32 rx = 0, tx = 0, i;
  10469. for (i = 0; i < 2; i++) {
  10470. /* INT_PHY and EXT_PHY1 share the same value location in
  10471. * the shmem. When num_phys is greater than 1, than this value
  10472. * applies only to EXT_PHY1
  10473. */
  10474. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10475. rx = REG_RD(bp, shmem_base +
  10476. offsetof(struct shmem_region,
  10477. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10478. tx = REG_RD(bp, shmem_base +
  10479. offsetof(struct shmem_region,
  10480. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10481. } else {
  10482. rx = REG_RD(bp, shmem_base +
  10483. offsetof(struct shmem_region,
  10484. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10485. tx = REG_RD(bp, shmem_base +
  10486. offsetof(struct shmem_region,
  10487. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10488. }
  10489. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10490. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10491. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10492. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10493. }
  10494. }
  10495. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10496. u8 phy_index, u8 port)
  10497. {
  10498. u32 ext_phy_config = 0;
  10499. switch (phy_index) {
  10500. case EXT_PHY1:
  10501. ext_phy_config = REG_RD(bp, shmem_base +
  10502. offsetof(struct shmem_region,
  10503. dev_info.port_hw_config[port].external_phy_config));
  10504. break;
  10505. case EXT_PHY2:
  10506. ext_phy_config = REG_RD(bp, shmem_base +
  10507. offsetof(struct shmem_region,
  10508. dev_info.port_hw_config[port].external_phy_config2));
  10509. break;
  10510. default:
  10511. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10512. return -EINVAL;
  10513. }
  10514. return ext_phy_config;
  10515. }
  10516. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10517. struct bnx2x_phy *phy)
  10518. {
  10519. u32 phy_addr;
  10520. u32 chip_id;
  10521. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10522. offsetof(struct shmem_region,
  10523. dev_info.port_feature_config[port].link_config)) &
  10524. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10525. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10526. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10527. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10528. if (USES_WARPCORE(bp)) {
  10529. u32 serdes_net_if;
  10530. phy_addr = REG_RD(bp,
  10531. MISC_REG_WC0_CTRL_PHY_ADDR);
  10532. *phy = phy_warpcore;
  10533. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10534. phy->flags |= FLAGS_4_PORT_MODE;
  10535. else
  10536. phy->flags &= ~FLAGS_4_PORT_MODE;
  10537. /* Check Dual mode */
  10538. serdes_net_if = (REG_RD(bp, shmem_base +
  10539. offsetof(struct shmem_region, dev_info.
  10540. port_hw_config[port].default_cfg)) &
  10541. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10542. /* Set the appropriate supported and flags indications per
  10543. * interface type of the chip
  10544. */
  10545. switch (serdes_net_if) {
  10546. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10547. phy->supported &= (SUPPORTED_10baseT_Half |
  10548. SUPPORTED_10baseT_Full |
  10549. SUPPORTED_100baseT_Half |
  10550. SUPPORTED_100baseT_Full |
  10551. SUPPORTED_1000baseT_Full |
  10552. SUPPORTED_FIBRE |
  10553. SUPPORTED_Autoneg |
  10554. SUPPORTED_Pause |
  10555. SUPPORTED_Asym_Pause);
  10556. phy->media_type = ETH_PHY_BASE_T;
  10557. break;
  10558. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10559. phy->supported &= (SUPPORTED_1000baseT_Full |
  10560. SUPPORTED_10000baseT_Full |
  10561. SUPPORTED_FIBRE |
  10562. SUPPORTED_Pause |
  10563. SUPPORTED_Asym_Pause);
  10564. phy->media_type = ETH_PHY_XFP_FIBER;
  10565. break;
  10566. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10567. phy->supported &= (SUPPORTED_1000baseT_Full |
  10568. SUPPORTED_10000baseT_Full |
  10569. SUPPORTED_FIBRE |
  10570. SUPPORTED_Pause |
  10571. SUPPORTED_Asym_Pause);
  10572. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10573. break;
  10574. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10575. phy->media_type = ETH_PHY_KR;
  10576. phy->supported &= (SUPPORTED_1000baseT_Full |
  10577. SUPPORTED_10000baseT_Full |
  10578. SUPPORTED_FIBRE |
  10579. SUPPORTED_Autoneg |
  10580. SUPPORTED_Pause |
  10581. SUPPORTED_Asym_Pause);
  10582. break;
  10583. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10584. phy->media_type = ETH_PHY_KR;
  10585. phy->flags |= FLAGS_WC_DUAL_MODE;
  10586. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10587. SUPPORTED_FIBRE |
  10588. SUPPORTED_Pause |
  10589. SUPPORTED_Asym_Pause);
  10590. break;
  10591. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10592. phy->media_type = ETH_PHY_KR;
  10593. phy->flags |= FLAGS_WC_DUAL_MODE;
  10594. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10595. SUPPORTED_10000baseT_Full |
  10596. SUPPORTED_1000baseT_Full |
  10597. SUPPORTED_Autoneg |
  10598. SUPPORTED_FIBRE |
  10599. SUPPORTED_Pause |
  10600. SUPPORTED_Asym_Pause);
  10601. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10602. break;
  10603. default:
  10604. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10605. serdes_net_if);
  10606. break;
  10607. }
  10608. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10609. * was not set as expected. For B0, ECO will be enabled so there
  10610. * won't be an issue there
  10611. */
  10612. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10613. phy->flags |= FLAGS_MDC_MDIO_WA;
  10614. else
  10615. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10616. } else {
  10617. switch (switch_cfg) {
  10618. case SWITCH_CFG_1G:
  10619. phy_addr = REG_RD(bp,
  10620. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10621. port * 0x10);
  10622. *phy = phy_serdes;
  10623. break;
  10624. case SWITCH_CFG_10G:
  10625. phy_addr = REG_RD(bp,
  10626. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10627. port * 0x18);
  10628. *phy = phy_xgxs;
  10629. break;
  10630. default:
  10631. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10632. return -EINVAL;
  10633. }
  10634. }
  10635. phy->addr = (u8)phy_addr;
  10636. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10637. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10638. port);
  10639. if (CHIP_IS_E2(bp))
  10640. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10641. else
  10642. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10643. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10644. port, phy->addr, phy->mdio_ctrl);
  10645. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10646. return 0;
  10647. }
  10648. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10649. u8 phy_index,
  10650. u32 shmem_base,
  10651. u32 shmem2_base,
  10652. u8 port,
  10653. struct bnx2x_phy *phy)
  10654. {
  10655. u32 ext_phy_config, phy_type, config2;
  10656. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10657. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10658. phy_index, port);
  10659. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10660. /* Select the phy type */
  10661. switch (phy_type) {
  10662. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10663. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10664. *phy = phy_8073;
  10665. break;
  10666. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10667. *phy = phy_8705;
  10668. break;
  10669. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10670. *phy = phy_8706;
  10671. break;
  10672. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10673. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10674. *phy = phy_8726;
  10675. break;
  10676. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10677. /* BCM8727_NOC => BCM8727 no over current */
  10678. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10679. *phy = phy_8727;
  10680. phy->flags |= FLAGS_NOC;
  10681. break;
  10682. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10683. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10684. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10685. *phy = phy_8727;
  10686. break;
  10687. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10688. *phy = phy_8481;
  10689. break;
  10690. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10691. *phy = phy_84823;
  10692. break;
  10693. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10694. *phy = phy_84833;
  10695. break;
  10696. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10697. *phy = phy_84834;
  10698. break;
  10699. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10700. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10701. *phy = phy_54618se;
  10702. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10703. phy->flags |= FLAGS_EEE;
  10704. break;
  10705. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10706. *phy = phy_7101;
  10707. break;
  10708. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10709. *phy = phy_null;
  10710. return -EINVAL;
  10711. default:
  10712. *phy = phy_null;
  10713. /* In case external PHY wasn't found */
  10714. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10715. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10716. return -EINVAL;
  10717. return 0;
  10718. }
  10719. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10720. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10721. /* The shmem address of the phy version is located on different
  10722. * structures. In case this structure is too old, do not set
  10723. * the address
  10724. */
  10725. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10726. dev_info.shared_hw_config.config2));
  10727. if (phy_index == EXT_PHY1) {
  10728. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10729. port_mb[port].ext_phy_fw_version);
  10730. /* Check specific mdc mdio settings */
  10731. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10732. mdc_mdio_access = config2 &
  10733. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10734. } else {
  10735. u32 size = REG_RD(bp, shmem2_base);
  10736. if (size >
  10737. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10738. phy->ver_addr = shmem2_base +
  10739. offsetof(struct shmem2_region,
  10740. ext_phy_fw_version2[port]);
  10741. }
  10742. /* Check specific mdc mdio settings */
  10743. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10744. mdc_mdio_access = (config2 &
  10745. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10746. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10747. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10748. }
  10749. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10750. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10751. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10752. (phy->ver_addr)) {
  10753. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10754. * version lower than or equal to 1.39
  10755. */
  10756. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10757. if (((raw_ver & 0x7F) <= 39) &&
  10758. (((raw_ver & 0xF80) >> 7) <= 1))
  10759. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10760. SUPPORTED_100baseT_Full);
  10761. }
  10762. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10763. phy_type, port, phy_index);
  10764. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10765. phy->addr, phy->mdio_ctrl);
  10766. return 0;
  10767. }
  10768. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10769. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10770. {
  10771. int status = 0;
  10772. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10773. if (phy_index == INT_PHY)
  10774. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10775. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10776. port, phy);
  10777. return status;
  10778. }
  10779. static void bnx2x_phy_def_cfg(struct link_params *params,
  10780. struct bnx2x_phy *phy,
  10781. u8 phy_index)
  10782. {
  10783. struct bnx2x *bp = params->bp;
  10784. u32 link_config;
  10785. /* Populate the default phy configuration for MF mode */
  10786. if (phy_index == EXT_PHY2) {
  10787. link_config = REG_RD(bp, params->shmem_base +
  10788. offsetof(struct shmem_region, dev_info.
  10789. port_feature_config[params->port].link_config2));
  10790. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10791. offsetof(struct shmem_region,
  10792. dev_info.
  10793. port_hw_config[params->port].speed_capability_mask2));
  10794. } else {
  10795. link_config = REG_RD(bp, params->shmem_base +
  10796. offsetof(struct shmem_region, dev_info.
  10797. port_feature_config[params->port].link_config));
  10798. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10799. offsetof(struct shmem_region,
  10800. dev_info.
  10801. port_hw_config[params->port].speed_capability_mask));
  10802. }
  10803. DP(NETIF_MSG_LINK,
  10804. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10805. phy_index, link_config, phy->speed_cap_mask);
  10806. phy->req_duplex = DUPLEX_FULL;
  10807. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10808. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10809. phy->req_duplex = DUPLEX_HALF;
  10810. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10811. phy->req_line_speed = SPEED_10;
  10812. break;
  10813. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10814. phy->req_duplex = DUPLEX_HALF;
  10815. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10816. phy->req_line_speed = SPEED_100;
  10817. break;
  10818. case PORT_FEATURE_LINK_SPEED_1G:
  10819. phy->req_line_speed = SPEED_1000;
  10820. break;
  10821. case PORT_FEATURE_LINK_SPEED_2_5G:
  10822. phy->req_line_speed = SPEED_2500;
  10823. break;
  10824. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10825. phy->req_line_speed = SPEED_10000;
  10826. break;
  10827. default:
  10828. phy->req_line_speed = SPEED_AUTO_NEG;
  10829. break;
  10830. }
  10831. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10832. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10833. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10834. break;
  10835. case PORT_FEATURE_FLOW_CONTROL_TX:
  10836. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10837. break;
  10838. case PORT_FEATURE_FLOW_CONTROL_RX:
  10839. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10840. break;
  10841. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10842. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10843. break;
  10844. default:
  10845. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10846. break;
  10847. }
  10848. }
  10849. u32 bnx2x_phy_selection(struct link_params *params)
  10850. {
  10851. u32 phy_config_swapped, prio_cfg;
  10852. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10853. phy_config_swapped = params->multi_phy_config &
  10854. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10855. prio_cfg = params->multi_phy_config &
  10856. PORT_HW_CFG_PHY_SELECTION_MASK;
  10857. if (phy_config_swapped) {
  10858. switch (prio_cfg) {
  10859. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10860. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10861. break;
  10862. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10863. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10864. break;
  10865. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10866. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10867. break;
  10868. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10869. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10870. break;
  10871. }
  10872. } else
  10873. return_cfg = prio_cfg;
  10874. return return_cfg;
  10875. }
  10876. int bnx2x_phy_probe(struct link_params *params)
  10877. {
  10878. u8 phy_index, actual_phy_idx;
  10879. u32 phy_config_swapped, sync_offset, media_types;
  10880. struct bnx2x *bp = params->bp;
  10881. struct bnx2x_phy *phy;
  10882. params->num_phys = 0;
  10883. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10884. phy_config_swapped = params->multi_phy_config &
  10885. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10886. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10887. phy_index++) {
  10888. actual_phy_idx = phy_index;
  10889. if (phy_config_swapped) {
  10890. if (phy_index == EXT_PHY1)
  10891. actual_phy_idx = EXT_PHY2;
  10892. else if (phy_index == EXT_PHY2)
  10893. actual_phy_idx = EXT_PHY1;
  10894. }
  10895. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10896. " actual_phy_idx %x\n", phy_config_swapped,
  10897. phy_index, actual_phy_idx);
  10898. phy = &params->phy[actual_phy_idx];
  10899. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10900. params->shmem2_base, params->port,
  10901. phy) != 0) {
  10902. params->num_phys = 0;
  10903. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10904. phy_index);
  10905. for (phy_index = INT_PHY;
  10906. phy_index < MAX_PHYS;
  10907. phy_index++)
  10908. *phy = phy_null;
  10909. return -EINVAL;
  10910. }
  10911. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10912. break;
  10913. if (params->feature_config_flags &
  10914. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10915. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10916. if (!(params->feature_config_flags &
  10917. FEATURE_CONFIG_MT_SUPPORT))
  10918. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10919. sync_offset = params->shmem_base +
  10920. offsetof(struct shmem_region,
  10921. dev_info.port_hw_config[params->port].media_type);
  10922. media_types = REG_RD(bp, sync_offset);
  10923. /* Update media type for non-PMF sync only for the first time
  10924. * In case the media type changes afterwards, it will be updated
  10925. * using the update_status function
  10926. */
  10927. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10928. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10929. actual_phy_idx))) == 0) {
  10930. media_types |= ((phy->media_type &
  10931. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10932. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10933. actual_phy_idx));
  10934. }
  10935. REG_WR(bp, sync_offset, media_types);
  10936. bnx2x_phy_def_cfg(params, phy, phy_index);
  10937. params->num_phys++;
  10938. }
  10939. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10940. return 0;
  10941. }
  10942. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10943. struct link_vars *vars)
  10944. {
  10945. struct bnx2x *bp = params->bp;
  10946. vars->link_up = 1;
  10947. vars->line_speed = SPEED_10000;
  10948. vars->duplex = DUPLEX_FULL;
  10949. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10950. vars->mac_type = MAC_TYPE_BMAC;
  10951. vars->phy_flags = PHY_XGXS_FLAG;
  10952. bnx2x_xgxs_deassert(params);
  10953. /* Set bmac loopback */
  10954. bnx2x_bmac_enable(params, vars, 1, 1);
  10955. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10956. }
  10957. static void bnx2x_init_emac_loopback(struct link_params *params,
  10958. struct link_vars *vars)
  10959. {
  10960. struct bnx2x *bp = params->bp;
  10961. vars->link_up = 1;
  10962. vars->line_speed = SPEED_1000;
  10963. vars->duplex = DUPLEX_FULL;
  10964. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10965. vars->mac_type = MAC_TYPE_EMAC;
  10966. vars->phy_flags = PHY_XGXS_FLAG;
  10967. bnx2x_xgxs_deassert(params);
  10968. /* Set bmac loopback */
  10969. bnx2x_emac_enable(params, vars, 1);
  10970. bnx2x_emac_program(params, vars);
  10971. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10972. }
  10973. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10974. struct link_vars *vars)
  10975. {
  10976. struct bnx2x *bp = params->bp;
  10977. vars->link_up = 1;
  10978. if (!params->req_line_speed[0])
  10979. vars->line_speed = SPEED_10000;
  10980. else
  10981. vars->line_speed = params->req_line_speed[0];
  10982. vars->duplex = DUPLEX_FULL;
  10983. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10984. vars->mac_type = MAC_TYPE_XMAC;
  10985. vars->phy_flags = PHY_XGXS_FLAG;
  10986. /* Set WC to loopback mode since link is required to provide clock
  10987. * to the XMAC in 20G mode
  10988. */
  10989. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10990. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10991. params->phy[INT_PHY].config_loopback(
  10992. &params->phy[INT_PHY],
  10993. params);
  10994. bnx2x_xmac_enable(params, vars, 1);
  10995. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10996. }
  10997. static void bnx2x_init_umac_loopback(struct link_params *params,
  10998. struct link_vars *vars)
  10999. {
  11000. struct bnx2x *bp = params->bp;
  11001. vars->link_up = 1;
  11002. vars->line_speed = SPEED_1000;
  11003. vars->duplex = DUPLEX_FULL;
  11004. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11005. vars->mac_type = MAC_TYPE_UMAC;
  11006. vars->phy_flags = PHY_XGXS_FLAG;
  11007. bnx2x_umac_enable(params, vars, 1);
  11008. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11009. }
  11010. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11011. struct link_vars *vars)
  11012. {
  11013. struct bnx2x *bp = params->bp;
  11014. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11015. vars->link_up = 1;
  11016. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11017. vars->duplex = DUPLEX_FULL;
  11018. if (params->req_line_speed[0] == SPEED_1000)
  11019. vars->line_speed = SPEED_1000;
  11020. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11021. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11022. vars->line_speed = SPEED_20000;
  11023. else
  11024. vars->line_speed = SPEED_10000;
  11025. if (!USES_WARPCORE(bp))
  11026. bnx2x_xgxs_deassert(params);
  11027. bnx2x_link_initialize(params, vars);
  11028. if (params->req_line_speed[0] == SPEED_1000) {
  11029. if (USES_WARPCORE(bp))
  11030. bnx2x_umac_enable(params, vars, 0);
  11031. else {
  11032. bnx2x_emac_program(params, vars);
  11033. bnx2x_emac_enable(params, vars, 0);
  11034. }
  11035. } else {
  11036. if (USES_WARPCORE(bp))
  11037. bnx2x_xmac_enable(params, vars, 0);
  11038. else
  11039. bnx2x_bmac_enable(params, vars, 0, 1);
  11040. }
  11041. if (params->loopback_mode == LOOPBACK_XGXS) {
  11042. /* Set 10G XGXS loopback */
  11043. int_phy->config_loopback(int_phy, params);
  11044. } else {
  11045. /* Set external phy loopback */
  11046. u8 phy_index;
  11047. for (phy_index = EXT_PHY1;
  11048. phy_index < params->num_phys; phy_index++)
  11049. if (params->phy[phy_index].config_loopback)
  11050. params->phy[phy_index].config_loopback(
  11051. &params->phy[phy_index],
  11052. params);
  11053. }
  11054. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11055. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11056. }
  11057. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11058. {
  11059. struct bnx2x *bp = params->bp;
  11060. u8 val = en * 0x1F;
  11061. /* Open / close the gate between the NIG and the BRB */
  11062. if (!CHIP_IS_E1x(bp))
  11063. val |= en * 0x20;
  11064. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11065. if (!CHIP_IS_E1(bp)) {
  11066. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11067. en*0x3);
  11068. }
  11069. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11070. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11071. }
  11072. static int bnx2x_avoid_link_flap(struct link_params *params,
  11073. struct link_vars *vars)
  11074. {
  11075. u32 phy_idx;
  11076. u32 dont_clear_stat, lfa_sts;
  11077. struct bnx2x *bp = params->bp;
  11078. /* Sync the link parameters */
  11079. bnx2x_link_status_update(params, vars);
  11080. /*
  11081. * The module verification was already done by previous link owner,
  11082. * so this call is meant only to get warning message
  11083. */
  11084. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11085. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11086. if (phy->phy_specific_func) {
  11087. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11088. phy->phy_specific_func(phy, params, PHY_INIT);
  11089. }
  11090. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11091. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11092. (phy->media_type == ETH_PHY_DA_TWINAX))
  11093. bnx2x_verify_sfp_module(phy, params);
  11094. }
  11095. lfa_sts = REG_RD(bp, params->lfa_base +
  11096. offsetof(struct shmem_lfa,
  11097. lfa_sts));
  11098. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11099. /* Re-enable the NIG/MAC */
  11100. if (CHIP_IS_E3(bp)) {
  11101. if (!dont_clear_stat) {
  11102. REG_WR(bp, GRCBASE_MISC +
  11103. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11104. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11105. params->port));
  11106. REG_WR(bp, GRCBASE_MISC +
  11107. MISC_REGISTERS_RESET_REG_2_SET,
  11108. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11109. params->port));
  11110. }
  11111. if (vars->line_speed < SPEED_10000)
  11112. bnx2x_umac_enable(params, vars, 0);
  11113. else
  11114. bnx2x_xmac_enable(params, vars, 0);
  11115. } else {
  11116. if (vars->line_speed < SPEED_10000)
  11117. bnx2x_emac_enable(params, vars, 0);
  11118. else
  11119. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11120. }
  11121. /* Increment LFA count */
  11122. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11123. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11124. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11125. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11126. /* Clear link flap reason */
  11127. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11128. REG_WR(bp, params->lfa_base +
  11129. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11130. /* Disable NIG DRAIN */
  11131. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11132. /* Enable interrupts */
  11133. bnx2x_link_int_enable(params);
  11134. return 0;
  11135. }
  11136. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11137. struct link_vars *vars,
  11138. int lfa_status)
  11139. {
  11140. u32 lfa_sts, cfg_idx, tmp_val;
  11141. struct bnx2x *bp = params->bp;
  11142. bnx2x_link_reset(params, vars, 1);
  11143. if (!params->lfa_base)
  11144. return;
  11145. /* Store the new link parameters */
  11146. REG_WR(bp, params->lfa_base +
  11147. offsetof(struct shmem_lfa, req_duplex),
  11148. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11149. REG_WR(bp, params->lfa_base +
  11150. offsetof(struct shmem_lfa, req_flow_ctrl),
  11151. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11152. REG_WR(bp, params->lfa_base +
  11153. offsetof(struct shmem_lfa, req_line_speed),
  11154. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11155. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11156. REG_WR(bp, params->lfa_base +
  11157. offsetof(struct shmem_lfa,
  11158. speed_cap_mask[cfg_idx]),
  11159. params->speed_cap_mask[cfg_idx]);
  11160. }
  11161. tmp_val = REG_RD(bp, params->lfa_base +
  11162. offsetof(struct shmem_lfa, additional_config));
  11163. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11164. tmp_val |= params->req_fc_auto_adv;
  11165. REG_WR(bp, params->lfa_base +
  11166. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11167. lfa_sts = REG_RD(bp, params->lfa_base +
  11168. offsetof(struct shmem_lfa, lfa_sts));
  11169. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11170. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11171. /* Set link flap reason */
  11172. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11173. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11174. LFA_LINK_FLAP_REASON_OFFSET);
  11175. /* Increment link flap counter */
  11176. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11177. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11178. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11179. << LINK_FLAP_COUNT_OFFSET));
  11180. REG_WR(bp, params->lfa_base +
  11181. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11182. /* Proceed with regular link initialization */
  11183. }
  11184. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11185. {
  11186. int lfa_status;
  11187. struct bnx2x *bp = params->bp;
  11188. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11189. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11190. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11191. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11192. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11193. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11194. vars->link_status = 0;
  11195. vars->phy_link_up = 0;
  11196. vars->link_up = 0;
  11197. vars->line_speed = 0;
  11198. vars->duplex = DUPLEX_FULL;
  11199. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11200. vars->mac_type = MAC_TYPE_NONE;
  11201. vars->phy_flags = 0;
  11202. vars->check_kr2_recovery_cnt = 0;
  11203. params->link_flags = PHY_INITIALIZED;
  11204. /* Driver opens NIG-BRB filters */
  11205. bnx2x_set_rx_filter(params, 1);
  11206. /* Check if link flap can be avoided */
  11207. lfa_status = bnx2x_check_lfa(params);
  11208. if (lfa_status == 0) {
  11209. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11210. return bnx2x_avoid_link_flap(params, vars);
  11211. }
  11212. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11213. lfa_status);
  11214. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11215. /* Disable attentions */
  11216. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11217. (NIG_MASK_XGXS0_LINK_STATUS |
  11218. NIG_MASK_XGXS0_LINK10G |
  11219. NIG_MASK_SERDES0_LINK_STATUS |
  11220. NIG_MASK_MI_INT));
  11221. bnx2x_emac_init(params, vars);
  11222. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11223. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11224. if (params->num_phys == 0) {
  11225. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11226. return -EINVAL;
  11227. }
  11228. set_phy_vars(params, vars);
  11229. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11230. switch (params->loopback_mode) {
  11231. case LOOPBACK_BMAC:
  11232. bnx2x_init_bmac_loopback(params, vars);
  11233. break;
  11234. case LOOPBACK_EMAC:
  11235. bnx2x_init_emac_loopback(params, vars);
  11236. break;
  11237. case LOOPBACK_XMAC:
  11238. bnx2x_init_xmac_loopback(params, vars);
  11239. break;
  11240. case LOOPBACK_UMAC:
  11241. bnx2x_init_umac_loopback(params, vars);
  11242. break;
  11243. case LOOPBACK_XGXS:
  11244. case LOOPBACK_EXT_PHY:
  11245. bnx2x_init_xgxs_loopback(params, vars);
  11246. break;
  11247. default:
  11248. if (!CHIP_IS_E3(bp)) {
  11249. if (params->switch_cfg == SWITCH_CFG_10G)
  11250. bnx2x_xgxs_deassert(params);
  11251. else
  11252. bnx2x_serdes_deassert(bp, params->port);
  11253. }
  11254. bnx2x_link_initialize(params, vars);
  11255. msleep(30);
  11256. bnx2x_link_int_enable(params);
  11257. break;
  11258. }
  11259. bnx2x_update_mng(params, vars->link_status);
  11260. bnx2x_update_mng_eee(params, vars->eee_status);
  11261. return 0;
  11262. }
  11263. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11264. u8 reset_ext_phy)
  11265. {
  11266. struct bnx2x *bp = params->bp;
  11267. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11268. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11269. /* Disable attentions */
  11270. vars->link_status = 0;
  11271. bnx2x_update_mng(params, vars->link_status);
  11272. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11273. SHMEM_EEE_ACTIVE_BIT);
  11274. bnx2x_update_mng_eee(params, vars->eee_status);
  11275. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11276. (NIG_MASK_XGXS0_LINK_STATUS |
  11277. NIG_MASK_XGXS0_LINK10G |
  11278. NIG_MASK_SERDES0_LINK_STATUS |
  11279. NIG_MASK_MI_INT));
  11280. /* Activate nig drain */
  11281. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11282. /* Disable nig egress interface */
  11283. if (!CHIP_IS_E3(bp)) {
  11284. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11285. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11286. }
  11287. if (!CHIP_IS_E3(bp)) {
  11288. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11289. } else {
  11290. bnx2x_set_xmac_rxtx(params, 0);
  11291. bnx2x_set_umac_rxtx(params, 0);
  11292. }
  11293. /* Disable emac */
  11294. if (!CHIP_IS_E3(bp))
  11295. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11296. usleep_range(10000, 20000);
  11297. /* The PHY reset is controlled by GPIO 1
  11298. * Hold it as vars low
  11299. */
  11300. /* Clear link led */
  11301. bnx2x_set_mdio_emac_per_phy(bp, params);
  11302. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11303. if (reset_ext_phy) {
  11304. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11305. phy_index++) {
  11306. if (params->phy[phy_index].link_reset) {
  11307. bnx2x_set_aer_mmd(params,
  11308. &params->phy[phy_index]);
  11309. params->phy[phy_index].link_reset(
  11310. &params->phy[phy_index],
  11311. params);
  11312. }
  11313. if (params->phy[phy_index].flags &
  11314. FLAGS_REARM_LATCH_SIGNAL)
  11315. clear_latch_ind = 1;
  11316. }
  11317. }
  11318. if (clear_latch_ind) {
  11319. /* Clear latching indication */
  11320. bnx2x_rearm_latch_signal(bp, port, 0);
  11321. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11322. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11323. }
  11324. if (params->phy[INT_PHY].link_reset)
  11325. params->phy[INT_PHY].link_reset(
  11326. &params->phy[INT_PHY], params);
  11327. /* Disable nig ingress interface */
  11328. if (!CHIP_IS_E3(bp)) {
  11329. /* Reset BigMac */
  11330. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11331. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11332. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11333. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11334. } else {
  11335. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11336. bnx2x_set_xumac_nig(params, 0, 0);
  11337. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11338. MISC_REGISTERS_RESET_REG_2_XMAC)
  11339. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11340. XMAC_CTRL_REG_SOFT_RESET);
  11341. }
  11342. vars->link_up = 0;
  11343. vars->phy_flags = 0;
  11344. return 0;
  11345. }
  11346. int bnx2x_lfa_reset(struct link_params *params,
  11347. struct link_vars *vars)
  11348. {
  11349. struct bnx2x *bp = params->bp;
  11350. vars->link_up = 0;
  11351. vars->phy_flags = 0;
  11352. params->link_flags &= ~PHY_INITIALIZED;
  11353. if (!params->lfa_base)
  11354. return bnx2x_link_reset(params, vars, 1);
  11355. /*
  11356. * Activate NIG drain so that during this time the device won't send
  11357. * anything while it is unable to response.
  11358. */
  11359. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11360. /*
  11361. * Close gracefully the gate from BMAC to NIG such that no half packets
  11362. * are passed.
  11363. */
  11364. if (!CHIP_IS_E3(bp))
  11365. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11366. if (CHIP_IS_E3(bp)) {
  11367. bnx2x_set_xmac_rxtx(params, 0);
  11368. bnx2x_set_umac_rxtx(params, 0);
  11369. }
  11370. /* Wait 10ms for the pipe to clean up*/
  11371. usleep_range(10000, 20000);
  11372. /* Clean the NIG-BRB using the network filters in a way that will
  11373. * not cut a packet in the middle.
  11374. */
  11375. bnx2x_set_rx_filter(params, 0);
  11376. /*
  11377. * Re-open the gate between the BMAC and the NIG, after verifying the
  11378. * gate to the BRB is closed, otherwise packets may arrive to the
  11379. * firmware before driver had initialized it. The target is to achieve
  11380. * minimum management protocol down time.
  11381. */
  11382. if (!CHIP_IS_E3(bp))
  11383. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11384. if (CHIP_IS_E3(bp)) {
  11385. bnx2x_set_xmac_rxtx(params, 1);
  11386. bnx2x_set_umac_rxtx(params, 1);
  11387. }
  11388. /* Disable NIG drain */
  11389. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11390. return 0;
  11391. }
  11392. /****************************************************************************/
  11393. /* Common function */
  11394. /****************************************************************************/
  11395. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11396. u32 shmem_base_path[],
  11397. u32 shmem2_base_path[], u8 phy_index,
  11398. u32 chip_id)
  11399. {
  11400. struct bnx2x_phy phy[PORT_MAX];
  11401. struct bnx2x_phy *phy_blk[PORT_MAX];
  11402. u16 val;
  11403. s8 port = 0;
  11404. s8 port_of_path = 0;
  11405. u32 swap_val, swap_override;
  11406. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11407. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11408. port ^= (swap_val && swap_override);
  11409. bnx2x_ext_phy_hw_reset(bp, port);
  11410. /* PART1 - Reset both phys */
  11411. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11412. u32 shmem_base, shmem2_base;
  11413. /* In E2, same phy is using for port0 of the two paths */
  11414. if (CHIP_IS_E1x(bp)) {
  11415. shmem_base = shmem_base_path[0];
  11416. shmem2_base = shmem2_base_path[0];
  11417. port_of_path = port;
  11418. } else {
  11419. shmem_base = shmem_base_path[port];
  11420. shmem2_base = shmem2_base_path[port];
  11421. port_of_path = 0;
  11422. }
  11423. /* Extract the ext phy address for the port */
  11424. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11425. port_of_path, &phy[port]) !=
  11426. 0) {
  11427. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11428. return -EINVAL;
  11429. }
  11430. /* Disable attentions */
  11431. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11432. port_of_path*4,
  11433. (NIG_MASK_XGXS0_LINK_STATUS |
  11434. NIG_MASK_XGXS0_LINK10G |
  11435. NIG_MASK_SERDES0_LINK_STATUS |
  11436. NIG_MASK_MI_INT));
  11437. /* Need to take the phy out of low power mode in order
  11438. * to write to access its registers
  11439. */
  11440. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11441. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11442. port);
  11443. /* Reset the phy */
  11444. bnx2x_cl45_write(bp, &phy[port],
  11445. MDIO_PMA_DEVAD,
  11446. MDIO_PMA_REG_CTRL,
  11447. 1<<15);
  11448. }
  11449. /* Add delay of 150ms after reset */
  11450. msleep(150);
  11451. if (phy[PORT_0].addr & 0x1) {
  11452. phy_blk[PORT_0] = &(phy[PORT_1]);
  11453. phy_blk[PORT_1] = &(phy[PORT_0]);
  11454. } else {
  11455. phy_blk[PORT_0] = &(phy[PORT_0]);
  11456. phy_blk[PORT_1] = &(phy[PORT_1]);
  11457. }
  11458. /* PART2 - Download firmware to both phys */
  11459. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11460. if (CHIP_IS_E1x(bp))
  11461. port_of_path = port;
  11462. else
  11463. port_of_path = 0;
  11464. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11465. phy_blk[port]->addr);
  11466. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11467. port_of_path))
  11468. return -EINVAL;
  11469. /* Only set bit 10 = 1 (Tx power down) */
  11470. bnx2x_cl45_read(bp, phy_blk[port],
  11471. MDIO_PMA_DEVAD,
  11472. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11473. /* Phase1 of TX_POWER_DOWN reset */
  11474. bnx2x_cl45_write(bp, phy_blk[port],
  11475. MDIO_PMA_DEVAD,
  11476. MDIO_PMA_REG_TX_POWER_DOWN,
  11477. (val | 1<<10));
  11478. }
  11479. /* Toggle Transmitter: Power down and then up with 600ms delay
  11480. * between
  11481. */
  11482. msleep(600);
  11483. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11484. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11485. /* Phase2 of POWER_DOWN_RESET */
  11486. /* Release bit 10 (Release Tx power down) */
  11487. bnx2x_cl45_read(bp, phy_blk[port],
  11488. MDIO_PMA_DEVAD,
  11489. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11490. bnx2x_cl45_write(bp, phy_blk[port],
  11491. MDIO_PMA_DEVAD,
  11492. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11493. usleep_range(15000, 30000);
  11494. /* Read modify write the SPI-ROM version select register */
  11495. bnx2x_cl45_read(bp, phy_blk[port],
  11496. MDIO_PMA_DEVAD,
  11497. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11498. bnx2x_cl45_write(bp, phy_blk[port],
  11499. MDIO_PMA_DEVAD,
  11500. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11501. /* set GPIO2 back to LOW */
  11502. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11503. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11504. }
  11505. return 0;
  11506. }
  11507. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11508. u32 shmem_base_path[],
  11509. u32 shmem2_base_path[], u8 phy_index,
  11510. u32 chip_id)
  11511. {
  11512. u32 val;
  11513. s8 port;
  11514. struct bnx2x_phy phy;
  11515. /* Use port1 because of the static port-swap */
  11516. /* Enable the module detection interrupt */
  11517. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11518. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11519. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11520. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11521. bnx2x_ext_phy_hw_reset(bp, 0);
  11522. usleep_range(5000, 10000);
  11523. for (port = 0; port < PORT_MAX; port++) {
  11524. u32 shmem_base, shmem2_base;
  11525. /* In E2, same phy is using for port0 of the two paths */
  11526. if (CHIP_IS_E1x(bp)) {
  11527. shmem_base = shmem_base_path[0];
  11528. shmem2_base = shmem2_base_path[0];
  11529. } else {
  11530. shmem_base = shmem_base_path[port];
  11531. shmem2_base = shmem2_base_path[port];
  11532. }
  11533. /* Extract the ext phy address for the port */
  11534. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11535. port, &phy) !=
  11536. 0) {
  11537. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11538. return -EINVAL;
  11539. }
  11540. /* Reset phy*/
  11541. bnx2x_cl45_write(bp, &phy,
  11542. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11543. /* Set fault module detected LED on */
  11544. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11545. MISC_REGISTERS_GPIO_HIGH,
  11546. port);
  11547. }
  11548. return 0;
  11549. }
  11550. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11551. u8 *io_gpio, u8 *io_port)
  11552. {
  11553. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11554. offsetof(struct shmem_region,
  11555. dev_info.port_hw_config[PORT_0].default_cfg));
  11556. switch (phy_gpio_reset) {
  11557. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11558. *io_gpio = 0;
  11559. *io_port = 0;
  11560. break;
  11561. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11562. *io_gpio = 1;
  11563. *io_port = 0;
  11564. break;
  11565. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11566. *io_gpio = 2;
  11567. *io_port = 0;
  11568. break;
  11569. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11570. *io_gpio = 3;
  11571. *io_port = 0;
  11572. break;
  11573. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11574. *io_gpio = 0;
  11575. *io_port = 1;
  11576. break;
  11577. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11578. *io_gpio = 1;
  11579. *io_port = 1;
  11580. break;
  11581. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11582. *io_gpio = 2;
  11583. *io_port = 1;
  11584. break;
  11585. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11586. *io_gpio = 3;
  11587. *io_port = 1;
  11588. break;
  11589. default:
  11590. /* Don't override the io_gpio and io_port */
  11591. break;
  11592. }
  11593. }
  11594. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11595. u32 shmem_base_path[],
  11596. u32 shmem2_base_path[], u8 phy_index,
  11597. u32 chip_id)
  11598. {
  11599. s8 port, reset_gpio;
  11600. u32 swap_val, swap_override;
  11601. struct bnx2x_phy phy[PORT_MAX];
  11602. struct bnx2x_phy *phy_blk[PORT_MAX];
  11603. s8 port_of_path;
  11604. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11605. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11606. reset_gpio = MISC_REGISTERS_GPIO_1;
  11607. port = 1;
  11608. /* Retrieve the reset gpio/port which control the reset.
  11609. * Default is GPIO1, PORT1
  11610. */
  11611. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11612. (u8 *)&reset_gpio, (u8 *)&port);
  11613. /* Calculate the port based on port swap */
  11614. port ^= (swap_val && swap_override);
  11615. /* Initiate PHY reset*/
  11616. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11617. port);
  11618. usleep_range(1000, 2000);
  11619. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11620. port);
  11621. usleep_range(5000, 10000);
  11622. /* PART1 - Reset both phys */
  11623. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11624. u32 shmem_base, shmem2_base;
  11625. /* In E2, same phy is using for port0 of the two paths */
  11626. if (CHIP_IS_E1x(bp)) {
  11627. shmem_base = shmem_base_path[0];
  11628. shmem2_base = shmem2_base_path[0];
  11629. port_of_path = port;
  11630. } else {
  11631. shmem_base = shmem_base_path[port];
  11632. shmem2_base = shmem2_base_path[port];
  11633. port_of_path = 0;
  11634. }
  11635. /* Extract the ext phy address for the port */
  11636. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11637. port_of_path, &phy[port]) !=
  11638. 0) {
  11639. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11640. return -EINVAL;
  11641. }
  11642. /* disable attentions */
  11643. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11644. port_of_path*4,
  11645. (NIG_MASK_XGXS0_LINK_STATUS |
  11646. NIG_MASK_XGXS0_LINK10G |
  11647. NIG_MASK_SERDES0_LINK_STATUS |
  11648. NIG_MASK_MI_INT));
  11649. /* Reset the phy */
  11650. bnx2x_cl45_write(bp, &phy[port],
  11651. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11652. }
  11653. /* Add delay of 150ms after reset */
  11654. msleep(150);
  11655. if (phy[PORT_0].addr & 0x1) {
  11656. phy_blk[PORT_0] = &(phy[PORT_1]);
  11657. phy_blk[PORT_1] = &(phy[PORT_0]);
  11658. } else {
  11659. phy_blk[PORT_0] = &(phy[PORT_0]);
  11660. phy_blk[PORT_1] = &(phy[PORT_1]);
  11661. }
  11662. /* PART2 - Download firmware to both phys */
  11663. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11664. if (CHIP_IS_E1x(bp))
  11665. port_of_path = port;
  11666. else
  11667. port_of_path = 0;
  11668. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11669. phy_blk[port]->addr);
  11670. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11671. port_of_path))
  11672. return -EINVAL;
  11673. /* Disable PHY transmitter output */
  11674. bnx2x_cl45_write(bp, phy_blk[port],
  11675. MDIO_PMA_DEVAD,
  11676. MDIO_PMA_REG_TX_DISABLE, 1);
  11677. }
  11678. return 0;
  11679. }
  11680. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11681. u32 shmem_base_path[],
  11682. u32 shmem2_base_path[],
  11683. u8 phy_index,
  11684. u32 chip_id)
  11685. {
  11686. u8 reset_gpios;
  11687. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11688. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11689. udelay(10);
  11690. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11691. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11692. reset_gpios);
  11693. return 0;
  11694. }
  11695. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11696. u32 shmem2_base_path[], u8 phy_index,
  11697. u32 ext_phy_type, u32 chip_id)
  11698. {
  11699. int rc = 0;
  11700. switch (ext_phy_type) {
  11701. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11702. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11703. shmem2_base_path,
  11704. phy_index, chip_id);
  11705. break;
  11706. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11707. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11708. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11709. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11710. shmem2_base_path,
  11711. phy_index, chip_id);
  11712. break;
  11713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11714. /* GPIO1 affects both ports, so there's need to pull
  11715. * it for single port alone
  11716. */
  11717. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11718. shmem2_base_path,
  11719. phy_index, chip_id);
  11720. break;
  11721. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11722. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11723. /* GPIO3's are linked, and so both need to be toggled
  11724. * to obtain required 2us pulse.
  11725. */
  11726. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11727. shmem2_base_path,
  11728. phy_index, chip_id);
  11729. break;
  11730. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11731. rc = -EINVAL;
  11732. break;
  11733. default:
  11734. DP(NETIF_MSG_LINK,
  11735. "ext_phy 0x%x common init not required\n",
  11736. ext_phy_type);
  11737. break;
  11738. }
  11739. if (rc)
  11740. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11741. " Port %d\n",
  11742. 0);
  11743. return rc;
  11744. }
  11745. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11746. u32 shmem2_base_path[], u32 chip_id)
  11747. {
  11748. int rc = 0;
  11749. u32 phy_ver, val;
  11750. u8 phy_index = 0;
  11751. u32 ext_phy_type, ext_phy_config;
  11752. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11753. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11754. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11755. if (CHIP_IS_E3(bp)) {
  11756. /* Enable EPIO */
  11757. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11758. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11759. }
  11760. /* Check if common init was already done */
  11761. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11762. offsetof(struct shmem_region,
  11763. port_mb[PORT_0].ext_phy_fw_version));
  11764. if (phy_ver) {
  11765. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11766. phy_ver);
  11767. return 0;
  11768. }
  11769. /* Read the ext_phy_type for arbitrary port(0) */
  11770. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11771. phy_index++) {
  11772. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11773. shmem_base_path[0],
  11774. phy_index, 0);
  11775. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11776. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11777. shmem2_base_path,
  11778. phy_index, ext_phy_type,
  11779. chip_id);
  11780. }
  11781. return rc;
  11782. }
  11783. static void bnx2x_check_over_curr(struct link_params *params,
  11784. struct link_vars *vars)
  11785. {
  11786. struct bnx2x *bp = params->bp;
  11787. u32 cfg_pin;
  11788. u8 port = params->port;
  11789. u32 pin_val;
  11790. cfg_pin = (REG_RD(bp, params->shmem_base +
  11791. offsetof(struct shmem_region,
  11792. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11793. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11794. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11795. /* Ignore check if no external input PIN available */
  11796. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11797. return;
  11798. if (!pin_val) {
  11799. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11800. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11801. " been detected and the power to "
  11802. "that SFP+ module has been removed"
  11803. " to prevent failure of the card."
  11804. " Please remove the SFP+ module and"
  11805. " restart the system to clear this"
  11806. " error.\n",
  11807. params->port);
  11808. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11809. bnx2x_warpcore_power_module(params, 0);
  11810. }
  11811. } else
  11812. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11813. }
  11814. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11815. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11816. struct link_vars *vars, u32 status,
  11817. u32 phy_flag, u32 link_flag, u8 notify)
  11818. {
  11819. struct bnx2x *bp = params->bp;
  11820. /* Compare new value with previous value */
  11821. u8 led_mode;
  11822. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11823. if ((status ^ old_status) == 0)
  11824. return 0;
  11825. /* If values differ */
  11826. switch (phy_flag) {
  11827. case PHY_HALF_OPEN_CONN_FLAG:
  11828. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11829. break;
  11830. case PHY_SFP_TX_FAULT_FLAG:
  11831. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11832. break;
  11833. default:
  11834. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11835. }
  11836. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11837. old_status, status);
  11838. /* a. Update shmem->link_status accordingly
  11839. * b. Update link_vars->link_up
  11840. */
  11841. if (status) {
  11842. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11843. vars->link_status |= link_flag;
  11844. vars->link_up = 0;
  11845. vars->phy_flags |= phy_flag;
  11846. /* activate nig drain */
  11847. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11848. /* Set LED mode to off since the PHY doesn't know about these
  11849. * errors
  11850. */
  11851. led_mode = LED_MODE_OFF;
  11852. } else {
  11853. vars->link_status |= LINK_STATUS_LINK_UP;
  11854. vars->link_status &= ~link_flag;
  11855. vars->link_up = 1;
  11856. vars->phy_flags &= ~phy_flag;
  11857. led_mode = LED_MODE_OPER;
  11858. /* Clear nig drain */
  11859. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11860. }
  11861. bnx2x_sync_link(params, vars);
  11862. /* Update the LED according to the link state */
  11863. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11864. /* Update link status in the shared memory */
  11865. bnx2x_update_mng(params, vars->link_status);
  11866. /* C. Trigger General Attention */
  11867. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11868. if (notify)
  11869. bnx2x_notify_link_changed(bp);
  11870. return 1;
  11871. }
  11872. /******************************************************************************
  11873. * Description:
  11874. * This function checks for half opened connection change indication.
  11875. * When such change occurs, it calls the bnx2x_analyze_link_error
  11876. * to check if Remote Fault is set or cleared. Reception of remote fault
  11877. * status message in the MAC indicates that the peer's MAC has detected
  11878. * a fault, for example, due to break in the TX side of fiber.
  11879. *
  11880. ******************************************************************************/
  11881. int bnx2x_check_half_open_conn(struct link_params *params,
  11882. struct link_vars *vars,
  11883. u8 notify)
  11884. {
  11885. struct bnx2x *bp = params->bp;
  11886. u32 lss_status = 0;
  11887. u32 mac_base;
  11888. /* In case link status is physically up @ 10G do */
  11889. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11890. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11891. return 0;
  11892. if (CHIP_IS_E3(bp) &&
  11893. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11894. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11895. /* Check E3 XMAC */
  11896. /* Note that link speed cannot be queried here, since it may be
  11897. * zero while link is down. In case UMAC is active, LSS will
  11898. * simply not be set
  11899. */
  11900. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11901. /* Clear stick bits (Requires rising edge) */
  11902. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11903. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11904. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11905. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11906. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11907. lss_status = 1;
  11908. bnx2x_analyze_link_error(params, vars, lss_status,
  11909. PHY_HALF_OPEN_CONN_FLAG,
  11910. LINK_STATUS_NONE, notify);
  11911. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11912. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11913. /* Check E1X / E2 BMAC */
  11914. u32 lss_status_reg;
  11915. u32 wb_data[2];
  11916. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11917. NIG_REG_INGRESS_BMAC0_MEM;
  11918. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11919. if (CHIP_IS_E2(bp))
  11920. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11921. else
  11922. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11923. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11924. lss_status = (wb_data[0] > 0);
  11925. bnx2x_analyze_link_error(params, vars, lss_status,
  11926. PHY_HALF_OPEN_CONN_FLAG,
  11927. LINK_STATUS_NONE, notify);
  11928. }
  11929. return 0;
  11930. }
  11931. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11932. struct link_params *params,
  11933. struct link_vars *vars)
  11934. {
  11935. struct bnx2x *bp = params->bp;
  11936. u32 cfg_pin, value = 0;
  11937. u8 led_change, port = params->port;
  11938. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11939. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11940. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11941. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11942. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11943. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11944. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11945. return;
  11946. }
  11947. led_change = bnx2x_analyze_link_error(params, vars, value,
  11948. PHY_SFP_TX_FAULT_FLAG,
  11949. LINK_STATUS_SFP_TX_FAULT, 1);
  11950. if (led_change) {
  11951. /* Change TX_Fault led, set link status for further syncs */
  11952. u8 led_mode;
  11953. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11954. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11955. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11956. } else {
  11957. led_mode = MISC_REGISTERS_GPIO_LOW;
  11958. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11959. }
  11960. /* If module is unapproved, led should be on regardless */
  11961. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11962. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11963. led_mode);
  11964. bnx2x_set_e3_module_fault_led(params, led_mode);
  11965. }
  11966. }
  11967. }
  11968. static void bnx2x_kr2_recovery(struct link_params *params,
  11969. struct link_vars *vars,
  11970. struct bnx2x_phy *phy)
  11971. {
  11972. struct bnx2x *bp = params->bp;
  11973. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11974. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11975. bnx2x_warpcore_restart_AN_KR(phy, params);
  11976. }
  11977. static void bnx2x_check_kr2_wa(struct link_params *params,
  11978. struct link_vars *vars,
  11979. struct bnx2x_phy *phy)
  11980. {
  11981. struct bnx2x *bp = params->bp;
  11982. u16 base_page, next_page, not_kr2_device, lane;
  11983. int sigdet;
  11984. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11985. * Since some switches tend to reinit the AN process and clear the
  11986. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11987. * and recovered many times
  11988. */
  11989. if (vars->check_kr2_recovery_cnt > 0) {
  11990. vars->check_kr2_recovery_cnt--;
  11991. return;
  11992. }
  11993. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11994. if (!sigdet) {
  11995. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11996. bnx2x_kr2_recovery(params, vars, phy);
  11997. DP(NETIF_MSG_LINK, "No sigdet\n");
  11998. }
  11999. return;
  12000. }
  12001. lane = bnx2x_get_warpcore_lane(phy, params);
  12002. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12003. MDIO_AER_BLOCK_AER_REG, lane);
  12004. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12005. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12006. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12007. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12008. bnx2x_set_aer_mmd(params, phy);
  12009. /* CL73 has not begun yet */
  12010. if (base_page == 0) {
  12011. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12012. bnx2x_kr2_recovery(params, vars, phy);
  12013. DP(NETIF_MSG_LINK, "No BP\n");
  12014. }
  12015. return;
  12016. }
  12017. /* In case NP bit is not set in the BasePage, or it is set,
  12018. * but only KX is advertised, declare this link partner as non-KR2
  12019. * device.
  12020. */
  12021. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12022. (((base_page & 0x8000) &&
  12023. ((next_page & 0xe0) == 0x2))));
  12024. /* In case KR2 is already disabled, check if we need to re-enable it */
  12025. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12026. if (!not_kr2_device) {
  12027. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12028. next_page);
  12029. bnx2x_kr2_recovery(params, vars, phy);
  12030. }
  12031. return;
  12032. }
  12033. /* KR2 is enabled, but not KR2 device */
  12034. if (not_kr2_device) {
  12035. /* Disable KR2 on both lanes */
  12036. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12037. bnx2x_disable_kr2(params, vars, phy);
  12038. /* Restart AN on leading lane */
  12039. bnx2x_warpcore_restart_AN_KR(phy, params);
  12040. return;
  12041. }
  12042. }
  12043. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12044. {
  12045. u16 phy_idx;
  12046. struct bnx2x *bp = params->bp;
  12047. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12048. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12049. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12050. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12051. 0)
  12052. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12053. break;
  12054. }
  12055. }
  12056. if (CHIP_IS_E3(bp)) {
  12057. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12058. bnx2x_set_aer_mmd(params, phy);
  12059. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12060. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12061. bnx2x_check_kr2_wa(params, vars, phy);
  12062. bnx2x_check_over_curr(params, vars);
  12063. if (vars->rx_tx_asic_rst)
  12064. bnx2x_warpcore_config_runtime(phy, params, vars);
  12065. if ((REG_RD(bp, params->shmem_base +
  12066. offsetof(struct shmem_region, dev_info.
  12067. port_hw_config[params->port].default_cfg))
  12068. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12069. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12070. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12071. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12072. } else if (vars->link_status &
  12073. LINK_STATUS_SFP_TX_FAULT) {
  12074. /* Clean trail, interrupt corrects the leds */
  12075. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12076. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12077. /* Update link status in the shared memory */
  12078. bnx2x_update_mng(params, vars->link_status);
  12079. }
  12080. }
  12081. }
  12082. }
  12083. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12084. u32 shmem_base,
  12085. u32 shmem2_base,
  12086. u8 port)
  12087. {
  12088. u8 phy_index, fan_failure_det_req = 0;
  12089. struct bnx2x_phy phy;
  12090. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12091. phy_index++) {
  12092. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12093. port, &phy)
  12094. != 0) {
  12095. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12096. return 0;
  12097. }
  12098. fan_failure_det_req |= (phy.flags &
  12099. FLAGS_FAN_FAILURE_DET_REQ);
  12100. }
  12101. return fan_failure_det_req;
  12102. }
  12103. void bnx2x_hw_reset_phy(struct link_params *params)
  12104. {
  12105. u8 phy_index;
  12106. struct bnx2x *bp = params->bp;
  12107. bnx2x_update_mng(params, 0);
  12108. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12109. (NIG_MASK_XGXS0_LINK_STATUS |
  12110. NIG_MASK_XGXS0_LINK10G |
  12111. NIG_MASK_SERDES0_LINK_STATUS |
  12112. NIG_MASK_MI_INT));
  12113. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12114. phy_index++) {
  12115. if (params->phy[phy_index].hw_reset) {
  12116. params->phy[phy_index].hw_reset(
  12117. &params->phy[phy_index],
  12118. params);
  12119. params->phy[phy_index] = phy_null;
  12120. }
  12121. }
  12122. }
  12123. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12124. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12125. u8 port)
  12126. {
  12127. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12128. u32 val;
  12129. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12130. if (CHIP_IS_E3(bp)) {
  12131. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12132. shmem_base,
  12133. port,
  12134. &gpio_num,
  12135. &gpio_port) != 0)
  12136. return;
  12137. } else {
  12138. struct bnx2x_phy phy;
  12139. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12140. phy_index++) {
  12141. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12142. shmem2_base, port, &phy)
  12143. != 0) {
  12144. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12145. return;
  12146. }
  12147. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12148. gpio_num = MISC_REGISTERS_GPIO_3;
  12149. gpio_port = port;
  12150. break;
  12151. }
  12152. }
  12153. }
  12154. if (gpio_num == 0xff)
  12155. return;
  12156. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12157. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12158. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12159. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12160. gpio_port ^= (swap_val && swap_override);
  12161. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12162. (gpio_num + (gpio_port << 2));
  12163. sync_offset = shmem_base +
  12164. offsetof(struct shmem_region,
  12165. dev_info.port_hw_config[port].aeu_int_mask);
  12166. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12167. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12168. gpio_num, gpio_port, vars->aeu_int_mask);
  12169. if (port == 0)
  12170. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12171. else
  12172. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12173. /* Open appropriate AEU for interrupts */
  12174. aeu_mask = REG_RD(bp, offset);
  12175. aeu_mask |= vars->aeu_int_mask;
  12176. REG_WR(bp, offset, aeu_mask);
  12177. /* Enable the GPIO to trigger interrupt */
  12178. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12179. val |= 1 << (gpio_num + (gpio_port << 2));
  12180. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12181. }