bnx2x_link.c 400 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  27. struct link_params *params,
  28. u8 dev_addr, u16 addr, u8 byte_cnt,
  29. u8 *o_buf, u8);
  30. /********************************************************/
  31. #define ETH_HLEN 14
  32. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  33. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  34. #define ETH_MIN_PACKET_SIZE 60
  35. #define ETH_MAX_PACKET_SIZE 1500
  36. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  37. #define MDIO_ACCESS_TIMEOUT 1000
  38. #define WC_LANE_MAX 4
  39. #define I2C_SWITCH_WIDTH 2
  40. #define I2C_BSC0 0
  41. #define I2C_BSC1 1
  42. #define I2C_WA_RETRY_CNT 3
  43. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  44. #define MCPR_IMC_COMMAND_READ_OP 1
  45. #define MCPR_IMC_COMMAND_WRITE_OP 2
  46. /* LED Blink rate that will achieve ~15.9Hz */
  47. #define LED_BLINK_RATE_VAL_E3 354
  48. #define LED_BLINK_RATE_VAL_E1X_E2 480
  49. /***********************************************************/
  50. /* Shortcut definitions */
  51. /***********************************************************/
  52. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  53. #define NIG_STATUS_EMAC0_MI_INT \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  55. #define NIG_STATUS_XGXS0_LINK10G \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  57. #define NIG_STATUS_XGXS0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  59. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  60. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  61. #define NIG_STATUS_SERDES0_LINK_STATUS \
  62. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  63. #define NIG_MASK_MI_INT \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  65. #define NIG_MASK_XGXS0_LINK10G \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  67. #define NIG_MASK_XGXS0_LINK_STATUS \
  68. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  69. #define NIG_MASK_SERDES0_LINK_STATUS \
  70. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  71. #define MDIO_AN_CL73_OR_37_COMPLETE \
  72. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  73. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  74. #define XGXS_RESET_BITS \
  75. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  80. #define SERDES_RESET_BITS \
  81. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  82. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  83. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  84. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  85. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  86. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  87. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  88. #define AUTONEG_PARALLEL \
  89. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  90. #define AUTONEG_SGMII_FIBER_AUTODET \
  91. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  92. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  93. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  95. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  97. #define GP_STATUS_SPEED_MASK \
  98. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  99. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  100. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  101. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  102. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  103. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  104. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  105. #define GP_STATUS_10G_HIG \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  107. #define GP_STATUS_10G_CX4 \
  108. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  109. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  110. #define GP_STATUS_10G_KX4 \
  111. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  112. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  113. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  114. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  115. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  116. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  117. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  118. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  119. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  120. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  121. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  122. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  123. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  124. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  125. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  126. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  127. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  128. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  129. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  130. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  131. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  132. #define LINK_UPDATE_MASK \
  133. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  134. LINK_STATUS_LINK_UP | \
  135. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  136. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  137. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  138. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  139. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  140. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  141. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  142. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  143. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  144. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  145. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  146. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  147. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  148. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  149. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  150. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  151. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  152. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  153. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  154. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  155. #define SFP_EEPROM_OPTIONS_SIZE 2
  156. #define EDC_MODE_LINEAR 0x0022
  157. #define EDC_MODE_LIMITING 0x0044
  158. #define EDC_MODE_PASSIVE_DAC 0x0055
  159. #define EDC_MODE_ACTIVE_DAC 0x0066
  160. /* ETS defines*/
  161. #define DCBX_INVALID_COS (0xFF)
  162. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  163. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  164. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  165. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  166. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  167. #define MAX_PACKET_SIZE (9700)
  168. #define MAX_KR_LINK_RETRY 4
  169. /**********************************************************/
  170. /* INTERFACE */
  171. /**********************************************************/
  172. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  173. bnx2x_cl45_write(_bp, _phy, \
  174. (_phy)->def_md_devad, \
  175. (_bank + (_addr & 0xf)), \
  176. _val)
  177. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  178. bnx2x_cl45_read(_bp, _phy, \
  179. (_phy)->def_md_devad, \
  180. (_bank + (_addr & 0xf)), \
  181. _val)
  182. static 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 *bp,
  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. if (xfer_cnt > 16) {
  2742. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2743. xfer_cnt);
  2744. return -EINVAL;
  2745. }
  2746. bnx2x_bsc_module_sel(params);
  2747. xfer_cnt = 16 - lc_addr;
  2748. /* Enable the engine */
  2749. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2750. val |= MCPR_IMC_COMMAND_ENABLE;
  2751. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2752. /* Program slave device ID */
  2753. val = (sl_devid << 16) | sl_addr;
  2754. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2755. /* Start xfer with 0 byte to update the address pointer ???*/
  2756. val = (MCPR_IMC_COMMAND_ENABLE) |
  2757. (MCPR_IMC_COMMAND_WRITE_OP <<
  2758. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2759. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2760. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2761. /* Poll for completion */
  2762. i = 0;
  2763. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2764. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2765. udelay(10);
  2766. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2767. if (i++ > 1000) {
  2768. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2769. i);
  2770. rc = -EFAULT;
  2771. break;
  2772. }
  2773. }
  2774. if (rc == -EFAULT)
  2775. return rc;
  2776. /* Start xfer with read op */
  2777. val = (MCPR_IMC_COMMAND_ENABLE) |
  2778. (MCPR_IMC_COMMAND_READ_OP <<
  2779. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2780. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2781. (xfer_cnt);
  2782. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2783. /* Poll for completion */
  2784. i = 0;
  2785. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2786. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2787. udelay(10);
  2788. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2789. if (i++ > 1000) {
  2790. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2791. rc = -EFAULT;
  2792. break;
  2793. }
  2794. }
  2795. if (rc == -EFAULT)
  2796. return rc;
  2797. for (i = (lc_addr >> 2); i < 4; i++) {
  2798. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2799. #ifdef __BIG_ENDIAN
  2800. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2801. ((data_array[i] & 0x0000ff00) << 8) |
  2802. ((data_array[i] & 0x00ff0000) >> 8) |
  2803. ((data_array[i] & 0xff000000) >> 24);
  2804. #endif
  2805. }
  2806. return rc;
  2807. }
  2808. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2809. u8 devad, u16 reg, u16 or_val)
  2810. {
  2811. u16 val;
  2812. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2813. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2814. }
  2815. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2816. struct bnx2x_phy *phy,
  2817. u8 devad, u16 reg, u16 and_val)
  2818. {
  2819. u16 val;
  2820. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2821. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2822. }
  2823. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2824. u8 devad, u16 reg, u16 *ret_val)
  2825. {
  2826. u8 phy_index;
  2827. /* Probe for the phy according to the given phy_addr, and execute
  2828. * the read request on it
  2829. */
  2830. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2831. if (params->phy[phy_index].addr == phy_addr) {
  2832. return bnx2x_cl45_read(params->bp,
  2833. &params->phy[phy_index], devad,
  2834. reg, ret_val);
  2835. }
  2836. }
  2837. return -EINVAL;
  2838. }
  2839. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2840. u8 devad, u16 reg, u16 val)
  2841. {
  2842. u8 phy_index;
  2843. /* Probe for the phy according to the given phy_addr, and execute
  2844. * the write request on it
  2845. */
  2846. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2847. if (params->phy[phy_index].addr == phy_addr) {
  2848. return bnx2x_cl45_write(params->bp,
  2849. &params->phy[phy_index], devad,
  2850. reg, val);
  2851. }
  2852. }
  2853. return -EINVAL;
  2854. }
  2855. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2856. struct link_params *params)
  2857. {
  2858. u8 lane = 0;
  2859. struct bnx2x *bp = params->bp;
  2860. u32 path_swap, path_swap_ovr;
  2861. u8 path, port;
  2862. path = BP_PATH(bp);
  2863. port = params->port;
  2864. if (bnx2x_is_4_port_mode(bp)) {
  2865. u32 port_swap, port_swap_ovr;
  2866. /* Figure out path swap value */
  2867. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2868. if (path_swap_ovr & 0x1)
  2869. path_swap = (path_swap_ovr & 0x2);
  2870. else
  2871. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2872. if (path_swap)
  2873. path = path ^ 1;
  2874. /* Figure out port swap value */
  2875. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2876. if (port_swap_ovr & 0x1)
  2877. port_swap = (port_swap_ovr & 0x2);
  2878. else
  2879. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2880. if (port_swap)
  2881. port = port ^ 1;
  2882. lane = (port<<1) + path;
  2883. } else { /* Two port mode - no port swap */
  2884. /* Figure out path swap value */
  2885. path_swap_ovr =
  2886. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2887. if (path_swap_ovr & 0x1) {
  2888. path_swap = (path_swap_ovr & 0x2);
  2889. } else {
  2890. path_swap =
  2891. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2892. }
  2893. if (path_swap)
  2894. path = path ^ 1;
  2895. lane = path << 1 ;
  2896. }
  2897. return lane;
  2898. }
  2899. static void bnx2x_set_aer_mmd(struct link_params *params,
  2900. struct bnx2x_phy *phy)
  2901. {
  2902. u32 ser_lane;
  2903. u16 offset, aer_val;
  2904. struct bnx2x *bp = params->bp;
  2905. ser_lane = ((params->lane_config &
  2906. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2907. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2908. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2909. (phy->addr + ser_lane) : 0;
  2910. if (USES_WARPCORE(bp)) {
  2911. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2912. /* In Dual-lane mode, two lanes are joined together,
  2913. * so in order to configure them, the AER broadcast method is
  2914. * used here.
  2915. * 0x200 is the broadcast address for lanes 0,1
  2916. * 0x201 is the broadcast address for lanes 2,3
  2917. */
  2918. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2919. aer_val = (aer_val >> 1) | 0x200;
  2920. } else if (CHIP_IS_E2(bp))
  2921. aer_val = 0x3800 + offset - 1;
  2922. else
  2923. aer_val = 0x3800 + offset;
  2924. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2925. MDIO_AER_BLOCK_AER_REG, aer_val);
  2926. }
  2927. /******************************************************************/
  2928. /* Internal phy section */
  2929. /******************************************************************/
  2930. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2931. {
  2932. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2933. /* Set Clause 22 */
  2934. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2935. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2936. udelay(500);
  2937. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2938. udelay(500);
  2939. /* Set Clause 45 */
  2940. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2941. }
  2942. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2943. {
  2944. u32 val;
  2945. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2946. val = SERDES_RESET_BITS << (port*16);
  2947. /* Reset and unreset the SerDes/XGXS */
  2948. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2949. udelay(500);
  2950. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2951. bnx2x_set_serdes_access(bp, port);
  2952. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2953. DEFAULT_PHY_DEV_ADDR);
  2954. }
  2955. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2956. struct link_params *params,
  2957. u32 action)
  2958. {
  2959. struct bnx2x *bp = params->bp;
  2960. switch (action) {
  2961. case PHY_INIT:
  2962. /* Set correct devad */
  2963. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2964. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2965. phy->def_md_devad);
  2966. break;
  2967. }
  2968. }
  2969. static void bnx2x_xgxs_deassert(struct link_params *params)
  2970. {
  2971. struct bnx2x *bp = params->bp;
  2972. u8 port;
  2973. u32 val;
  2974. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2975. port = params->port;
  2976. val = XGXS_RESET_BITS << (port*16);
  2977. /* Reset and unreset the SerDes/XGXS */
  2978. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2979. udelay(500);
  2980. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2981. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2982. PHY_INIT);
  2983. }
  2984. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2985. struct link_params *params, u16 *ieee_fc)
  2986. {
  2987. struct bnx2x *bp = params->bp;
  2988. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2989. /* Resolve pause mode and advertisement Please refer to Table
  2990. * 28B-3 of the 802.3ab-1999 spec
  2991. */
  2992. switch (phy->req_flow_ctrl) {
  2993. case BNX2X_FLOW_CTRL_AUTO:
  2994. switch (params->req_fc_auto_adv) {
  2995. case BNX2X_FLOW_CTRL_BOTH:
  2996. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2997. break;
  2998. case BNX2X_FLOW_CTRL_RX:
  2999. case BNX2X_FLOW_CTRL_TX:
  3000. *ieee_fc |=
  3001. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3002. break;
  3003. default:
  3004. break;
  3005. }
  3006. break;
  3007. case BNX2X_FLOW_CTRL_TX:
  3008. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3009. break;
  3010. case BNX2X_FLOW_CTRL_RX:
  3011. case BNX2X_FLOW_CTRL_BOTH:
  3012. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3013. break;
  3014. case BNX2X_FLOW_CTRL_NONE:
  3015. default:
  3016. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3017. break;
  3018. }
  3019. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3020. }
  3021. static void set_phy_vars(struct link_params *params,
  3022. struct link_vars *vars)
  3023. {
  3024. struct bnx2x *bp = params->bp;
  3025. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3026. u8 phy_config_swapped = params->multi_phy_config &
  3027. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3028. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3029. phy_index++) {
  3030. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3031. actual_phy_idx = phy_index;
  3032. if (phy_config_swapped) {
  3033. if (phy_index == EXT_PHY1)
  3034. actual_phy_idx = EXT_PHY2;
  3035. else if (phy_index == EXT_PHY2)
  3036. actual_phy_idx = EXT_PHY1;
  3037. }
  3038. params->phy[actual_phy_idx].req_flow_ctrl =
  3039. params->req_flow_ctrl[link_cfg_idx];
  3040. params->phy[actual_phy_idx].req_line_speed =
  3041. params->req_line_speed[link_cfg_idx];
  3042. params->phy[actual_phy_idx].speed_cap_mask =
  3043. params->speed_cap_mask[link_cfg_idx];
  3044. params->phy[actual_phy_idx].req_duplex =
  3045. params->req_duplex[link_cfg_idx];
  3046. if (params->req_line_speed[link_cfg_idx] ==
  3047. SPEED_AUTO_NEG)
  3048. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3049. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3050. " speed_cap_mask %x\n",
  3051. params->phy[actual_phy_idx].req_flow_ctrl,
  3052. params->phy[actual_phy_idx].req_line_speed,
  3053. params->phy[actual_phy_idx].speed_cap_mask);
  3054. }
  3055. }
  3056. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3057. struct bnx2x_phy *phy,
  3058. struct link_vars *vars)
  3059. {
  3060. u16 val;
  3061. struct bnx2x *bp = params->bp;
  3062. /* Read modify write pause advertizing */
  3063. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3064. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3065. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3066. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3067. if ((vars->ieee_fc &
  3068. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3069. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3070. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3071. }
  3072. if ((vars->ieee_fc &
  3073. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3074. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3075. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3076. }
  3077. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3078. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3079. }
  3080. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3081. { /* LD LP */
  3082. switch (pause_result) { /* ASYM P ASYM P */
  3083. case 0xb: /* 1 0 1 1 */
  3084. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3085. break;
  3086. case 0xe: /* 1 1 1 0 */
  3087. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3088. break;
  3089. case 0x5: /* 0 1 0 1 */
  3090. case 0x7: /* 0 1 1 1 */
  3091. case 0xd: /* 1 1 0 1 */
  3092. case 0xf: /* 1 1 1 1 */
  3093. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3094. break;
  3095. default:
  3096. break;
  3097. }
  3098. if (pause_result & (1<<0))
  3099. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3100. if (pause_result & (1<<1))
  3101. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3102. }
  3103. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3104. struct link_params *params,
  3105. struct link_vars *vars)
  3106. {
  3107. u16 ld_pause; /* local */
  3108. u16 lp_pause; /* link partner */
  3109. u16 pause_result;
  3110. struct bnx2x *bp = params->bp;
  3111. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3112. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3113. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3114. } else if (CHIP_IS_E3(bp) &&
  3115. SINGLE_MEDIA_DIRECT(params)) {
  3116. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3117. u16 gp_status, gp_mask;
  3118. bnx2x_cl45_read(bp, phy,
  3119. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3120. &gp_status);
  3121. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3122. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3123. lane;
  3124. if ((gp_status & gp_mask) == gp_mask) {
  3125. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3126. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3127. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3128. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3129. } else {
  3130. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3131. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3132. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3133. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3134. ld_pause = ((ld_pause &
  3135. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3136. << 3);
  3137. lp_pause = ((lp_pause &
  3138. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3139. << 3);
  3140. }
  3141. } else {
  3142. bnx2x_cl45_read(bp, phy,
  3143. MDIO_AN_DEVAD,
  3144. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3145. bnx2x_cl45_read(bp, phy,
  3146. MDIO_AN_DEVAD,
  3147. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3148. }
  3149. pause_result = (ld_pause &
  3150. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3151. pause_result |= (lp_pause &
  3152. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3153. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3154. bnx2x_pause_resolve(vars, pause_result);
  3155. }
  3156. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3157. struct link_params *params,
  3158. struct link_vars *vars)
  3159. {
  3160. u8 ret = 0;
  3161. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3162. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3163. /* Update the advertised flow-controled of LD/LP in AN */
  3164. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3165. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3166. /* But set the flow-control result as the requested one */
  3167. vars->flow_ctrl = phy->req_flow_ctrl;
  3168. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3169. vars->flow_ctrl = params->req_fc_auto_adv;
  3170. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3171. ret = 1;
  3172. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3173. }
  3174. return ret;
  3175. }
  3176. /******************************************************************/
  3177. /* Warpcore section */
  3178. /******************************************************************/
  3179. /* The init_internal_warpcore should mirror the xgxs,
  3180. * i.e. reset the lane (if needed), set aer for the
  3181. * init configuration, and set/clear SGMII flag. Internal
  3182. * phy init is done purely in phy_init stage.
  3183. */
  3184. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3185. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3186. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3187. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3188. #define WC_TX_FIR(post, main, pre) \
  3189. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3190. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3191. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3192. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3193. struct link_params *params,
  3194. struct link_vars *vars)
  3195. {
  3196. struct bnx2x *bp = params->bp;
  3197. u16 i;
  3198. static struct bnx2x_reg_set reg_set[] = {
  3199. /* Step 1 - Program the TX/RX alignment markers */
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3205. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3206. /* Step 2 - Configure the NP registers */
  3207. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3214. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3216. };
  3217. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3218. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3220. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3221. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3222. reg_set[i].val);
  3223. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3224. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3225. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3226. }
  3227. static void bnx2x_disable_kr2(struct link_params *params,
  3228. struct link_vars *vars,
  3229. struct bnx2x_phy *phy)
  3230. {
  3231. struct bnx2x *bp = params->bp;
  3232. int i;
  3233. static struct bnx2x_reg_set reg_set[] = {
  3234. /* Step 1 - Program the TX/RX alignment markers */
  3235. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  3236. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  3237. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  3238. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  3239. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  3240. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  3241. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  3242. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  3243. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  3244. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  3245. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  3246. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  3247. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  3248. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  3249. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  3250. };
  3251. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  3252. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3253. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3254. reg_set[i].val);
  3255. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  3256. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3257. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  3258. }
  3259. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3260. struct link_params *params)
  3261. {
  3262. struct bnx2x *bp = params->bp;
  3263. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3264. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3266. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3268. }
  3269. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3270. struct link_params *params)
  3271. {
  3272. /* Restart autoneg on the leading lane only */
  3273. struct bnx2x *bp = params->bp;
  3274. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3275. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3276. MDIO_AER_BLOCK_AER_REG, lane);
  3277. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3278. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3279. /* Restore AER */
  3280. bnx2x_set_aer_mmd(params, phy);
  3281. }
  3282. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3283. struct link_params *params,
  3284. struct link_vars *vars) {
  3285. u16 lane, i, cl72_ctrl, an_adv = 0;
  3286. struct bnx2x *bp = params->bp;
  3287. static struct bnx2x_reg_set reg_set[] = {
  3288. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3289. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3290. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3291. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3292. /* Disable Autoneg: re-enable it after adv is done. */
  3293. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3294. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3295. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3296. };
  3297. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3298. /* Set to default registers that may be overriden by 10G force */
  3299. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3300. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3301. reg_set[i].val);
  3302. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3304. cl72_ctrl &= 0x08ff;
  3305. cl72_ctrl |= 0x3800;
  3306. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3307. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3308. /* Check adding advertisement for 1G KX */
  3309. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3310. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3311. (vars->line_speed == SPEED_1000)) {
  3312. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3313. an_adv |= (1<<5);
  3314. /* Enable CL37 1G Parallel Detect */
  3315. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3316. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3317. }
  3318. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3319. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3320. (vars->line_speed == SPEED_10000)) {
  3321. /* Check adding advertisement for 10G KR */
  3322. an_adv |= (1<<7);
  3323. /* Enable 10G Parallel Detect */
  3324. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3325. MDIO_AER_BLOCK_AER_REG, 0);
  3326. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3327. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3328. bnx2x_set_aer_mmd(params, phy);
  3329. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3330. }
  3331. /* Set Transmit PMD settings */
  3332. lane = bnx2x_get_warpcore_lane(phy, params);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3335. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3336. /* Configure the next lane if dual mode */
  3337. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3338. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3340. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3341. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3343. 0x03f0);
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3346. 0x03f0);
  3347. /* Advertised speeds */
  3348. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3349. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3350. /* Advertised and set FEC (Forward Error Correction) */
  3351. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3352. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3353. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3354. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3355. /* Enable CL37 BAM */
  3356. if (REG_RD(bp, params->shmem_base +
  3357. offsetof(struct shmem_region, dev_info.
  3358. port_hw_config[params->port].default_cfg)) &
  3359. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3360. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3362. 1);
  3363. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3364. }
  3365. /* Advertise pause */
  3366. bnx2x_ext_phy_set_pause(params, phy, vars);
  3367. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3368. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3369. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3370. /* Over 1G - AN local device user page 1 */
  3371. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3373. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3374. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3375. (phy->req_line_speed == SPEED_20000)) {
  3376. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3377. MDIO_AER_BLOCK_AER_REG, lane);
  3378. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3380. (1<<11));
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3383. bnx2x_set_aer_mmd(params, phy);
  3384. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3385. } else {
  3386. bnx2x_disable_kr2(params, vars, phy);
  3387. }
  3388. /* Enable Autoneg: only on the main lane */
  3389. bnx2x_warpcore_restart_AN_KR(phy, params);
  3390. }
  3391. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3392. struct link_params *params,
  3393. struct link_vars *vars)
  3394. {
  3395. struct bnx2x *bp = params->bp;
  3396. u16 val16, i, lane;
  3397. static struct bnx2x_reg_set reg_set[] = {
  3398. /* Disable Autoneg */
  3399. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3400. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3401. 0x3f00},
  3402. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3403. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3404. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3405. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3406. /* Leave cl72 training enable, needed for KR */
  3407. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3408. };
  3409. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3410. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3411. reg_set[i].val);
  3412. lane = bnx2x_get_warpcore_lane(phy, params);
  3413. /* Global registers */
  3414. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3415. MDIO_AER_BLOCK_AER_REG, 0);
  3416. /* Disable CL36 PCS Tx */
  3417. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3419. val16 &= ~(0x0011 << lane);
  3420. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3422. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3424. val16 |= (0x0303 << (lane << 1));
  3425. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3427. /* Restore AER */
  3428. bnx2x_set_aer_mmd(params, phy);
  3429. /* Set speed via PMA/PMD register */
  3430. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3431. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3432. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3433. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3434. /* Enable encoded forced speed */
  3435. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3437. /* Turn TX scramble payload only the 64/66 scrambler */
  3438. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3440. /* Turn RX scramble payload only the 64/66 scrambler */
  3441. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3442. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3443. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3444. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3445. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3446. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3448. }
  3449. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3450. struct link_params *params,
  3451. u8 is_xfi)
  3452. {
  3453. struct bnx2x *bp = params->bp;
  3454. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3455. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3456. /* Hold rxSeqStart */
  3457. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3458. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3459. /* Hold tx_fifo_reset */
  3460. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3462. /* Disable CL73 AN */
  3463. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3464. /* Disable 100FX Enable and Auto-Detect */
  3465. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3466. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3467. /* Disable 100FX Idle detect */
  3468. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3469. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3470. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3471. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3473. /* Turn off auto-detect & fiber mode */
  3474. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3475. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3476. 0xFFEE);
  3477. /* Set filter_force_link, disable_false_link and parallel_detect */
  3478. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3480. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3482. ((val | 0x0006) & 0xFFFE));
  3483. /* Set XFI / SFI */
  3484. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3486. misc1_val &= ~(0x1f);
  3487. if (is_xfi) {
  3488. misc1_val |= 0x5;
  3489. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3490. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3491. } else {
  3492. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3493. offsetof(struct shmem_region, dev_info.
  3494. port_hw_config[params->port].
  3495. sfi_tap_values));
  3496. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3497. tx_drv_brdct = (cfg_tap_val &
  3498. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3499. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3500. misc1_val |= 0x9;
  3501. /* TAP values are controlled by nvram, if value there isn't 0 */
  3502. if (tx_equal)
  3503. tap_val = (u16)tx_equal;
  3504. else
  3505. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3506. if (tx_drv_brdct)
  3507. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3508. 0x06);
  3509. else
  3510. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3511. }
  3512. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3514. /* Set Transmit PMD settings */
  3515. lane = bnx2x_get_warpcore_lane(phy, params);
  3516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_TX_FIR_TAP,
  3518. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3519. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3520. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3521. tx_driver_val);
  3522. /* Enable fiber mode, enable and invert sig_det */
  3523. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3525. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3526. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3528. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3529. /* 10G XFI Full Duplex */
  3530. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3532. /* Release tx_fifo_reset */
  3533. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3535. 0xFFFE);
  3536. /* Release rxSeqStart */
  3537. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3538. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3539. }
  3540. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3541. struct link_params *params)
  3542. {
  3543. u16 val;
  3544. struct bnx2x *bp = params->bp;
  3545. /* Set global registers, so set AER lane to 0 */
  3546. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3547. MDIO_AER_BLOCK_AER_REG, 0);
  3548. /* Disable sequencer */
  3549. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3550. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3551. bnx2x_set_aer_mmd(params, phy);
  3552. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3553. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3554. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3555. MDIO_AN_REG_CTRL, 0);
  3556. /* Turn off CL73 */
  3557. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3559. val &= ~(1<<5);
  3560. val |= (1<<6);
  3561. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3563. /* Set 20G KR2 force speed */
  3564. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3566. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3568. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3569. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3570. val &= ~(3<<14);
  3571. val |= (1<<15);
  3572. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3574. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3575. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3576. /* Enable sequencer (over lane 0) */
  3577. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3578. MDIO_AER_BLOCK_AER_REG, 0);
  3579. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3581. bnx2x_set_aer_mmd(params, phy);
  3582. }
  3583. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3584. struct bnx2x_phy *phy,
  3585. u16 lane)
  3586. {
  3587. /* Rx0 anaRxControl1G */
  3588. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3589. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3590. /* Rx2 anaRxControl1G */
  3591. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3595. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3597. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3598. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3599. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3600. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3601. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3602. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3603. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3605. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3607. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3608. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3609. /* Serdes Digital Misc1 */
  3610. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3611. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3612. /* Serdes Digital4 Misc3 */
  3613. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3614. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3615. /* Set Transmit PMD settings */
  3616. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3617. MDIO_WC_REG_TX_FIR_TAP,
  3618. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3619. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3620. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3621. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3622. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3623. }
  3624. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3625. struct link_params *params,
  3626. u8 fiber_mode,
  3627. u8 always_autoneg)
  3628. {
  3629. struct bnx2x *bp = params->bp;
  3630. u16 val16, digctrl_kx1, digctrl_kx2;
  3631. /* Clear XFI clock comp in non-10G single lane mode. */
  3632. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3634. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3635. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3636. /* SGMII Autoneg */
  3637. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3638. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3639. 0x1000);
  3640. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3641. } else {
  3642. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3644. val16 &= 0xcebf;
  3645. switch (phy->req_line_speed) {
  3646. case SPEED_10:
  3647. break;
  3648. case SPEED_100:
  3649. val16 |= 0x2000;
  3650. break;
  3651. case SPEED_1000:
  3652. val16 |= 0x0040;
  3653. break;
  3654. default:
  3655. DP(NETIF_MSG_LINK,
  3656. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3657. return;
  3658. }
  3659. if (phy->req_duplex == DUPLEX_FULL)
  3660. val16 |= 0x0100;
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3663. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3664. phy->req_line_speed);
  3665. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3666. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3667. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3668. }
  3669. /* SGMII Slave mode and disable signal detect */
  3670. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3671. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3672. if (fiber_mode)
  3673. digctrl_kx1 = 1;
  3674. else
  3675. digctrl_kx1 &= 0xff4a;
  3676. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3677. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3678. digctrl_kx1);
  3679. /* Turn off parallel detect */
  3680. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3681. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3682. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3683. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3684. (digctrl_kx2 & ~(1<<2)));
  3685. /* Re-enable parallel detect */
  3686. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3687. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3688. (digctrl_kx2 | (1<<2)));
  3689. /* Enable autodet */
  3690. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3691. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3692. (digctrl_kx1 | 0x10));
  3693. }
  3694. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3695. struct bnx2x_phy *phy,
  3696. u8 reset)
  3697. {
  3698. u16 val;
  3699. /* Take lane out of reset after configuration is finished */
  3700. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3701. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3702. if (reset)
  3703. val |= 0xC000;
  3704. else
  3705. val &= 0x3FFF;
  3706. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3707. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3708. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3709. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3710. }
  3711. /* Clear SFI/XFI link settings registers */
  3712. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3713. struct link_params *params,
  3714. u16 lane)
  3715. {
  3716. struct bnx2x *bp = params->bp;
  3717. u16 i;
  3718. static struct bnx2x_reg_set wc_regs[] = {
  3719. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3720. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3721. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3722. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3723. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3724. 0x0195},
  3725. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3726. 0x0007},
  3727. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3728. 0x0002},
  3729. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3730. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3731. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3732. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3733. };
  3734. /* Set XFI clock comp as default. */
  3735. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3736. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3737. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3738. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3739. wc_regs[i].val);
  3740. lane = bnx2x_get_warpcore_lane(phy, params);
  3741. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3742. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3743. }
  3744. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3745. u32 chip_id,
  3746. u32 shmem_base, u8 port,
  3747. u8 *gpio_num, u8 *gpio_port)
  3748. {
  3749. u32 cfg_pin;
  3750. *gpio_num = 0;
  3751. *gpio_port = 0;
  3752. if (CHIP_IS_E3(bp)) {
  3753. cfg_pin = (REG_RD(bp, shmem_base +
  3754. offsetof(struct shmem_region,
  3755. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3756. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3757. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3758. /* Should not happen. This function called upon interrupt
  3759. * triggered by GPIO ( since EPIO can only generate interrupts
  3760. * to MCP).
  3761. * So if this function was called and none of the GPIOs was set,
  3762. * it means the shit hit the fan.
  3763. */
  3764. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3765. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3766. DP(NETIF_MSG_LINK,
  3767. "No cfg pin %x for module detect indication\n",
  3768. cfg_pin);
  3769. return -EINVAL;
  3770. }
  3771. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3772. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3773. } else {
  3774. *gpio_num = MISC_REGISTERS_GPIO_3;
  3775. *gpio_port = port;
  3776. }
  3777. return 0;
  3778. }
  3779. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3780. struct link_params *params)
  3781. {
  3782. struct bnx2x *bp = params->bp;
  3783. u8 gpio_num, gpio_port;
  3784. u32 gpio_val;
  3785. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3786. params->shmem_base, params->port,
  3787. &gpio_num, &gpio_port) != 0)
  3788. return 0;
  3789. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3790. /* Call the handling function in case module is detected */
  3791. if (gpio_val == 0)
  3792. return 1;
  3793. else
  3794. return 0;
  3795. }
  3796. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3797. struct link_params *params)
  3798. {
  3799. u16 gp2_status_reg0, lane;
  3800. struct bnx2x *bp = params->bp;
  3801. lane = bnx2x_get_warpcore_lane(phy, params);
  3802. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3803. &gp2_status_reg0);
  3804. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3805. }
  3806. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3807. struct link_params *params,
  3808. struct link_vars *vars)
  3809. {
  3810. struct bnx2x *bp = params->bp;
  3811. u32 serdes_net_if;
  3812. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3813. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3814. if (!vars->turn_to_run_wc_rt)
  3815. return;
  3816. if (vars->rx_tx_asic_rst) {
  3817. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3818. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3819. offsetof(struct shmem_region, dev_info.
  3820. port_hw_config[params->port].default_cfg)) &
  3821. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3822. switch (serdes_net_if) {
  3823. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3824. /* Do we get link yet? */
  3825. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3826. &gp_status1);
  3827. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3828. /*10G KR*/
  3829. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3830. if (lnkup_kr || lnkup) {
  3831. vars->rx_tx_asic_rst = 0;
  3832. } else {
  3833. /* Reset the lane to see if link comes up.*/
  3834. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3835. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3836. /* Restart Autoneg */
  3837. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3838. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3839. vars->rx_tx_asic_rst--;
  3840. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3841. vars->rx_tx_asic_rst);
  3842. }
  3843. break;
  3844. default:
  3845. break;
  3846. }
  3847. } /*params->rx_tx_asic_rst*/
  3848. }
  3849. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3850. struct link_params *params)
  3851. {
  3852. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3853. struct bnx2x *bp = params->bp;
  3854. bnx2x_warpcore_clear_regs(phy, params, lane);
  3855. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3856. SPEED_10000) &&
  3857. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3858. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3859. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3860. } else {
  3861. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3862. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3863. }
  3864. }
  3865. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3866. struct bnx2x_phy *phy,
  3867. u8 tx_en)
  3868. {
  3869. struct bnx2x *bp = params->bp;
  3870. u32 cfg_pin;
  3871. u8 port = params->port;
  3872. cfg_pin = REG_RD(bp, params->shmem_base +
  3873. offsetof(struct shmem_region,
  3874. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3875. PORT_HW_CFG_E3_TX_LASER_MASK;
  3876. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3877. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3878. /* For 20G, the expected pin to be used is 3 pins after the current */
  3879. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3880. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3881. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3882. }
  3883. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3884. struct link_params *params,
  3885. struct link_vars *vars)
  3886. {
  3887. struct bnx2x *bp = params->bp;
  3888. u32 serdes_net_if;
  3889. u8 fiber_mode;
  3890. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3891. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3892. offsetof(struct shmem_region, dev_info.
  3893. port_hw_config[params->port].default_cfg)) &
  3894. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3895. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3896. "serdes_net_if = 0x%x\n",
  3897. vars->line_speed, serdes_net_if);
  3898. bnx2x_set_aer_mmd(params, phy);
  3899. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3900. vars->phy_flags |= PHY_XGXS_FLAG;
  3901. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3902. (phy->req_line_speed &&
  3903. ((phy->req_line_speed == SPEED_100) ||
  3904. (phy->req_line_speed == SPEED_10)))) {
  3905. vars->phy_flags |= PHY_SGMII_FLAG;
  3906. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3907. bnx2x_warpcore_clear_regs(phy, params, lane);
  3908. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3909. } else {
  3910. switch (serdes_net_if) {
  3911. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3912. /* Enable KR Auto Neg */
  3913. if (params->loopback_mode != LOOPBACK_EXT)
  3914. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3915. else {
  3916. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3917. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3918. }
  3919. break;
  3920. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3921. bnx2x_warpcore_clear_regs(phy, params, lane);
  3922. if (vars->line_speed == SPEED_10000) {
  3923. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3924. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3925. } else {
  3926. if (SINGLE_MEDIA_DIRECT(params)) {
  3927. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3928. fiber_mode = 1;
  3929. } else {
  3930. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3931. fiber_mode = 0;
  3932. }
  3933. bnx2x_warpcore_set_sgmii_speed(phy,
  3934. params,
  3935. fiber_mode,
  3936. 0);
  3937. }
  3938. break;
  3939. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3940. /* Issue Module detection if module is plugged, or
  3941. * enabled transmitter to avoid current leakage in case
  3942. * no module is connected
  3943. */
  3944. if ((params->loopback_mode == LOOPBACK_NONE) ||
  3945. (params->loopback_mode == LOOPBACK_EXT)) {
  3946. if (bnx2x_is_sfp_module_plugged(phy, params))
  3947. bnx2x_sfp_module_detection(phy, params);
  3948. else
  3949. bnx2x_sfp_e3_set_transmitter(params,
  3950. phy, 1);
  3951. }
  3952. bnx2x_warpcore_config_sfi(phy, params);
  3953. break;
  3954. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3955. if (vars->line_speed != SPEED_20000) {
  3956. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3957. return;
  3958. }
  3959. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3960. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3961. /* Issue Module detection */
  3962. bnx2x_sfp_module_detection(phy, params);
  3963. break;
  3964. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3965. if (!params->loopback_mode) {
  3966. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3967. } else {
  3968. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3969. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3970. }
  3971. break;
  3972. default:
  3973. DP(NETIF_MSG_LINK,
  3974. "Unsupported Serdes Net Interface 0x%x\n",
  3975. serdes_net_if);
  3976. return;
  3977. }
  3978. }
  3979. /* Take lane out of reset after configuration is finished */
  3980. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3981. DP(NETIF_MSG_LINK, "Exit config init\n");
  3982. }
  3983. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3984. struct link_params *params)
  3985. {
  3986. struct bnx2x *bp = params->bp;
  3987. u16 val16, lane;
  3988. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3989. bnx2x_set_mdio_emac_per_phy(bp, params);
  3990. bnx2x_set_aer_mmd(params, phy);
  3991. /* Global register */
  3992. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3993. /* Clear loopback settings (if any) */
  3994. /* 10G & 20G */
  3995. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3996. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3997. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3998. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3999. /* Update those 1-copy registers */
  4000. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4001. MDIO_AER_BLOCK_AER_REG, 0);
  4002. /* Enable 1G MDIO (1-copy) */
  4003. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4004. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4005. ~0x10);
  4006. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  4007. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  4008. lane = bnx2x_get_warpcore_lane(phy, params);
  4009. /* Disable CL36 PCS Tx */
  4010. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4011. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  4012. val16 |= (0x11 << lane);
  4013. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4014. val16 |= (0x22 << lane);
  4015. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4016. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  4017. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4018. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4019. val16 &= ~(0x0303 << (lane << 1));
  4020. val16 |= (0x0101 << (lane << 1));
  4021. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4022. val16 &= ~(0x0c0c << (lane << 1));
  4023. val16 |= (0x0404 << (lane << 1));
  4024. }
  4025. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4026. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4027. /* Restore AER */
  4028. bnx2x_set_aer_mmd(params, phy);
  4029. }
  4030. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4031. struct link_params *params)
  4032. {
  4033. struct bnx2x *bp = params->bp;
  4034. u16 val16;
  4035. u32 lane;
  4036. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4037. params->loopback_mode, phy->req_line_speed);
  4038. if (phy->req_line_speed < SPEED_10000 ||
  4039. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4040. /* 10/100/1000/20G-KR2 */
  4041. /* Update those 1-copy registers */
  4042. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4043. MDIO_AER_BLOCK_AER_REG, 0);
  4044. /* Enable 1G MDIO (1-copy) */
  4045. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4046. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4047. 0x10);
  4048. /* Set 1G loopback based on lane (1-copy) */
  4049. lane = bnx2x_get_warpcore_lane(phy, params);
  4050. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4051. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4052. val16 |= (1<<lane);
  4053. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4054. val16 |= (2<<lane);
  4055. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4056. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4057. val16);
  4058. /* Switch back to 4-copy registers */
  4059. bnx2x_set_aer_mmd(params, phy);
  4060. } else {
  4061. /* 10G / 20G-DXGXS */
  4062. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4063. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4064. 0x4000);
  4065. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4066. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4067. }
  4068. }
  4069. static void bnx2x_sync_link(struct link_params *params,
  4070. struct link_vars *vars)
  4071. {
  4072. struct bnx2x *bp = params->bp;
  4073. u8 link_10g_plus;
  4074. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4075. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4076. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4077. if (vars->link_up) {
  4078. DP(NETIF_MSG_LINK, "phy link up\n");
  4079. vars->phy_link_up = 1;
  4080. vars->duplex = DUPLEX_FULL;
  4081. switch (vars->link_status &
  4082. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4083. case LINK_10THD:
  4084. vars->duplex = DUPLEX_HALF;
  4085. /* Fall thru */
  4086. case LINK_10TFD:
  4087. vars->line_speed = SPEED_10;
  4088. break;
  4089. case LINK_100TXHD:
  4090. vars->duplex = DUPLEX_HALF;
  4091. /* Fall thru */
  4092. case LINK_100T4:
  4093. case LINK_100TXFD:
  4094. vars->line_speed = SPEED_100;
  4095. break;
  4096. case LINK_1000THD:
  4097. vars->duplex = DUPLEX_HALF;
  4098. /* Fall thru */
  4099. case LINK_1000TFD:
  4100. vars->line_speed = SPEED_1000;
  4101. break;
  4102. case LINK_2500THD:
  4103. vars->duplex = DUPLEX_HALF;
  4104. /* Fall thru */
  4105. case LINK_2500TFD:
  4106. vars->line_speed = SPEED_2500;
  4107. break;
  4108. case LINK_10GTFD:
  4109. vars->line_speed = SPEED_10000;
  4110. break;
  4111. case LINK_20GTFD:
  4112. vars->line_speed = SPEED_20000;
  4113. break;
  4114. default:
  4115. break;
  4116. }
  4117. vars->flow_ctrl = 0;
  4118. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4119. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4120. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4121. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4122. if (!vars->flow_ctrl)
  4123. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4124. if (vars->line_speed &&
  4125. ((vars->line_speed == SPEED_10) ||
  4126. (vars->line_speed == SPEED_100))) {
  4127. vars->phy_flags |= PHY_SGMII_FLAG;
  4128. } else {
  4129. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4130. }
  4131. if (vars->line_speed &&
  4132. USES_WARPCORE(bp) &&
  4133. (vars->line_speed == SPEED_1000))
  4134. vars->phy_flags |= PHY_SGMII_FLAG;
  4135. /* Anything 10 and over uses the bmac */
  4136. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4137. if (link_10g_plus) {
  4138. if (USES_WARPCORE(bp))
  4139. vars->mac_type = MAC_TYPE_XMAC;
  4140. else
  4141. vars->mac_type = MAC_TYPE_BMAC;
  4142. } else {
  4143. if (USES_WARPCORE(bp))
  4144. vars->mac_type = MAC_TYPE_UMAC;
  4145. else
  4146. vars->mac_type = MAC_TYPE_EMAC;
  4147. }
  4148. } else { /* Link down */
  4149. DP(NETIF_MSG_LINK, "phy link down\n");
  4150. vars->phy_link_up = 0;
  4151. vars->line_speed = 0;
  4152. vars->duplex = DUPLEX_FULL;
  4153. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4154. /* Indicate no mac active */
  4155. vars->mac_type = MAC_TYPE_NONE;
  4156. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4157. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4158. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4159. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4160. }
  4161. }
  4162. void bnx2x_link_status_update(struct link_params *params,
  4163. struct link_vars *vars)
  4164. {
  4165. struct bnx2x *bp = params->bp;
  4166. u8 port = params->port;
  4167. u32 sync_offset, media_types;
  4168. /* Update PHY configuration */
  4169. set_phy_vars(params, vars);
  4170. vars->link_status = REG_RD(bp, params->shmem_base +
  4171. offsetof(struct shmem_region,
  4172. port_mb[port].link_status));
  4173. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4174. if (params->loopback_mode != LOOPBACK_NONE &&
  4175. params->loopback_mode != LOOPBACK_EXT)
  4176. vars->link_status |= LINK_STATUS_LINK_UP;
  4177. if (bnx2x_eee_has_cap(params))
  4178. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4179. offsetof(struct shmem2_region,
  4180. eee_status[params->port]));
  4181. vars->phy_flags = PHY_XGXS_FLAG;
  4182. bnx2x_sync_link(params, vars);
  4183. /* Sync media type */
  4184. sync_offset = params->shmem_base +
  4185. offsetof(struct shmem_region,
  4186. dev_info.port_hw_config[port].media_type);
  4187. media_types = REG_RD(bp, sync_offset);
  4188. params->phy[INT_PHY].media_type =
  4189. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4190. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4191. params->phy[EXT_PHY1].media_type =
  4192. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4193. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4194. params->phy[EXT_PHY2].media_type =
  4195. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4196. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4197. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4198. /* Sync AEU offset */
  4199. sync_offset = params->shmem_base +
  4200. offsetof(struct shmem_region,
  4201. dev_info.port_hw_config[port].aeu_int_mask);
  4202. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4203. /* Sync PFC status */
  4204. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4205. params->feature_config_flags |=
  4206. FEATURE_CONFIG_PFC_ENABLED;
  4207. else
  4208. params->feature_config_flags &=
  4209. ~FEATURE_CONFIG_PFC_ENABLED;
  4210. if (SHMEM2_HAS(bp, link_attr_sync))
  4211. vars->link_attr_sync = SHMEM2_RD(bp,
  4212. link_attr_sync[params->port]);
  4213. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4214. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4215. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4216. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4217. }
  4218. static void bnx2x_set_master_ln(struct link_params *params,
  4219. struct bnx2x_phy *phy)
  4220. {
  4221. struct bnx2x *bp = params->bp;
  4222. u16 new_master_ln, ser_lane;
  4223. ser_lane = ((params->lane_config &
  4224. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4225. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4226. /* Set the master_ln for AN */
  4227. CL22_RD_OVER_CL45(bp, phy,
  4228. MDIO_REG_BANK_XGXS_BLOCK2,
  4229. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4230. &new_master_ln);
  4231. CL22_WR_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4233. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4234. (new_master_ln | ser_lane));
  4235. }
  4236. static int bnx2x_reset_unicore(struct link_params *params,
  4237. struct bnx2x_phy *phy,
  4238. u8 set_serdes)
  4239. {
  4240. struct bnx2x *bp = params->bp;
  4241. u16 mii_control;
  4242. u16 i;
  4243. CL22_RD_OVER_CL45(bp, phy,
  4244. MDIO_REG_BANK_COMBO_IEEE0,
  4245. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4246. /* Reset the unicore */
  4247. CL22_WR_OVER_CL45(bp, phy,
  4248. MDIO_REG_BANK_COMBO_IEEE0,
  4249. MDIO_COMBO_IEEE0_MII_CONTROL,
  4250. (mii_control |
  4251. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4252. if (set_serdes)
  4253. bnx2x_set_serdes_access(bp, params->port);
  4254. /* Wait for the reset to self clear */
  4255. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4256. udelay(5);
  4257. /* The reset erased the previous bank value */
  4258. CL22_RD_OVER_CL45(bp, phy,
  4259. MDIO_REG_BANK_COMBO_IEEE0,
  4260. MDIO_COMBO_IEEE0_MII_CONTROL,
  4261. &mii_control);
  4262. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4263. udelay(5);
  4264. return 0;
  4265. }
  4266. }
  4267. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4268. " Port %d\n",
  4269. params->port);
  4270. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4271. return -EINVAL;
  4272. }
  4273. static void bnx2x_set_swap_lanes(struct link_params *params,
  4274. struct bnx2x_phy *phy)
  4275. {
  4276. struct bnx2x *bp = params->bp;
  4277. /* Each two bits represents a lane number:
  4278. * No swap is 0123 => 0x1b no need to enable the swap
  4279. */
  4280. u16 rx_lane_swap, tx_lane_swap;
  4281. rx_lane_swap = ((params->lane_config &
  4282. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4283. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4284. tx_lane_swap = ((params->lane_config &
  4285. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4286. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4287. if (rx_lane_swap != 0x1b) {
  4288. CL22_WR_OVER_CL45(bp, phy,
  4289. MDIO_REG_BANK_XGXS_BLOCK2,
  4290. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4291. (rx_lane_swap |
  4292. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4293. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4294. } else {
  4295. CL22_WR_OVER_CL45(bp, phy,
  4296. MDIO_REG_BANK_XGXS_BLOCK2,
  4297. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4298. }
  4299. if (tx_lane_swap != 0x1b) {
  4300. CL22_WR_OVER_CL45(bp, phy,
  4301. MDIO_REG_BANK_XGXS_BLOCK2,
  4302. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4303. (tx_lane_swap |
  4304. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4305. } else {
  4306. CL22_WR_OVER_CL45(bp, phy,
  4307. MDIO_REG_BANK_XGXS_BLOCK2,
  4308. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4309. }
  4310. }
  4311. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4312. struct link_params *params)
  4313. {
  4314. struct bnx2x *bp = params->bp;
  4315. u16 control2;
  4316. CL22_RD_OVER_CL45(bp, phy,
  4317. MDIO_REG_BANK_SERDES_DIGITAL,
  4318. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4319. &control2);
  4320. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4321. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4322. else
  4323. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4324. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4325. phy->speed_cap_mask, control2);
  4326. CL22_WR_OVER_CL45(bp, phy,
  4327. MDIO_REG_BANK_SERDES_DIGITAL,
  4328. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4329. control2);
  4330. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4331. (phy->speed_cap_mask &
  4332. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4333. DP(NETIF_MSG_LINK, "XGXS\n");
  4334. CL22_WR_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4336. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4337. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4338. CL22_RD_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4340. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4341. &control2);
  4342. control2 |=
  4343. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4344. CL22_WR_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4346. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4347. control2);
  4348. /* Disable parallel detection of HiG */
  4349. CL22_WR_OVER_CL45(bp, phy,
  4350. MDIO_REG_BANK_XGXS_BLOCK2,
  4351. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4352. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4353. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4354. }
  4355. }
  4356. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4357. struct link_params *params,
  4358. struct link_vars *vars,
  4359. u8 enable_cl73)
  4360. {
  4361. struct bnx2x *bp = params->bp;
  4362. u16 reg_val;
  4363. /* CL37 Autoneg */
  4364. CL22_RD_OVER_CL45(bp, phy,
  4365. MDIO_REG_BANK_COMBO_IEEE0,
  4366. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4367. /* CL37 Autoneg Enabled */
  4368. if (vars->line_speed == SPEED_AUTO_NEG)
  4369. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4370. else /* CL37 Autoneg Disabled */
  4371. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4372. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4373. CL22_WR_OVER_CL45(bp, phy,
  4374. MDIO_REG_BANK_COMBO_IEEE0,
  4375. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4376. /* Enable/Disable Autodetection */
  4377. CL22_RD_OVER_CL45(bp, phy,
  4378. MDIO_REG_BANK_SERDES_DIGITAL,
  4379. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4380. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4381. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4382. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4383. if (vars->line_speed == SPEED_AUTO_NEG)
  4384. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4385. else
  4386. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4387. CL22_WR_OVER_CL45(bp, phy,
  4388. MDIO_REG_BANK_SERDES_DIGITAL,
  4389. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4390. /* Enable TetonII and BAM autoneg */
  4391. CL22_RD_OVER_CL45(bp, phy,
  4392. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4393. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4394. &reg_val);
  4395. if (vars->line_speed == SPEED_AUTO_NEG) {
  4396. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4397. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4398. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4399. } else {
  4400. /* TetonII and BAM Autoneg Disabled */
  4401. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4402. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4403. }
  4404. CL22_WR_OVER_CL45(bp, phy,
  4405. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4406. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4407. reg_val);
  4408. if (enable_cl73) {
  4409. /* Enable Cl73 FSM status bits */
  4410. CL22_WR_OVER_CL45(bp, phy,
  4411. MDIO_REG_BANK_CL73_USERB0,
  4412. MDIO_CL73_USERB0_CL73_UCTRL,
  4413. 0xe);
  4414. /* Enable BAM Station Manager*/
  4415. CL22_WR_OVER_CL45(bp, phy,
  4416. MDIO_REG_BANK_CL73_USERB0,
  4417. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4418. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4419. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4420. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4421. /* Advertise CL73 link speeds */
  4422. CL22_RD_OVER_CL45(bp, phy,
  4423. MDIO_REG_BANK_CL73_IEEEB1,
  4424. MDIO_CL73_IEEEB1_AN_ADV2,
  4425. &reg_val);
  4426. if (phy->speed_cap_mask &
  4427. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4428. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4429. if (phy->speed_cap_mask &
  4430. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4431. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4432. CL22_WR_OVER_CL45(bp, phy,
  4433. MDIO_REG_BANK_CL73_IEEEB1,
  4434. MDIO_CL73_IEEEB1_AN_ADV2,
  4435. reg_val);
  4436. /* CL73 Autoneg Enabled */
  4437. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4438. } else /* CL73 Autoneg Disabled */
  4439. reg_val = 0;
  4440. CL22_WR_OVER_CL45(bp, phy,
  4441. MDIO_REG_BANK_CL73_IEEEB0,
  4442. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4443. }
  4444. /* Program SerDes, forced speed */
  4445. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4446. struct link_params *params,
  4447. struct link_vars *vars)
  4448. {
  4449. struct bnx2x *bp = params->bp;
  4450. u16 reg_val;
  4451. /* Program duplex, disable autoneg and sgmii*/
  4452. CL22_RD_OVER_CL45(bp, phy,
  4453. MDIO_REG_BANK_COMBO_IEEE0,
  4454. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4455. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4456. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4457. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4458. if (phy->req_duplex == DUPLEX_FULL)
  4459. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4460. CL22_WR_OVER_CL45(bp, phy,
  4461. MDIO_REG_BANK_COMBO_IEEE0,
  4462. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4463. /* Program speed
  4464. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4465. */
  4466. CL22_RD_OVER_CL45(bp, phy,
  4467. MDIO_REG_BANK_SERDES_DIGITAL,
  4468. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4469. /* Clearing the speed value before setting the right speed */
  4470. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4471. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4472. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4473. if (!((vars->line_speed == SPEED_1000) ||
  4474. (vars->line_speed == SPEED_100) ||
  4475. (vars->line_speed == SPEED_10))) {
  4476. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4477. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4478. if (vars->line_speed == SPEED_10000)
  4479. reg_val |=
  4480. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4481. }
  4482. CL22_WR_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_SERDES_DIGITAL,
  4484. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4485. }
  4486. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4487. struct link_params *params)
  4488. {
  4489. struct bnx2x *bp = params->bp;
  4490. u16 val = 0;
  4491. /* Set extended capabilities */
  4492. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4493. val |= MDIO_OVER_1G_UP1_2_5G;
  4494. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4495. val |= MDIO_OVER_1G_UP1_10G;
  4496. CL22_WR_OVER_CL45(bp, phy,
  4497. MDIO_REG_BANK_OVER_1G,
  4498. MDIO_OVER_1G_UP1, val);
  4499. CL22_WR_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_OVER_1G,
  4501. MDIO_OVER_1G_UP3, 0x400);
  4502. }
  4503. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4504. struct link_params *params,
  4505. u16 ieee_fc)
  4506. {
  4507. struct bnx2x *bp = params->bp;
  4508. u16 val;
  4509. /* For AN, we are always publishing full duplex */
  4510. CL22_WR_OVER_CL45(bp, phy,
  4511. MDIO_REG_BANK_COMBO_IEEE0,
  4512. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4513. CL22_RD_OVER_CL45(bp, phy,
  4514. MDIO_REG_BANK_CL73_IEEEB1,
  4515. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4516. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4517. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4518. CL22_WR_OVER_CL45(bp, phy,
  4519. MDIO_REG_BANK_CL73_IEEEB1,
  4520. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4521. }
  4522. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4523. struct link_params *params,
  4524. u8 enable_cl73)
  4525. {
  4526. struct bnx2x *bp = params->bp;
  4527. u16 mii_control;
  4528. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4529. /* Enable and restart BAM/CL37 aneg */
  4530. if (enable_cl73) {
  4531. CL22_RD_OVER_CL45(bp, phy,
  4532. MDIO_REG_BANK_CL73_IEEEB0,
  4533. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4534. &mii_control);
  4535. CL22_WR_OVER_CL45(bp, phy,
  4536. MDIO_REG_BANK_CL73_IEEEB0,
  4537. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4538. (mii_control |
  4539. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4540. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4541. } else {
  4542. CL22_RD_OVER_CL45(bp, phy,
  4543. MDIO_REG_BANK_COMBO_IEEE0,
  4544. MDIO_COMBO_IEEE0_MII_CONTROL,
  4545. &mii_control);
  4546. DP(NETIF_MSG_LINK,
  4547. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4548. mii_control);
  4549. CL22_WR_OVER_CL45(bp, phy,
  4550. MDIO_REG_BANK_COMBO_IEEE0,
  4551. MDIO_COMBO_IEEE0_MII_CONTROL,
  4552. (mii_control |
  4553. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4554. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4555. }
  4556. }
  4557. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4558. struct link_params *params,
  4559. struct link_vars *vars)
  4560. {
  4561. struct bnx2x *bp = params->bp;
  4562. u16 control1;
  4563. /* In SGMII mode, the unicore is always slave */
  4564. CL22_RD_OVER_CL45(bp, phy,
  4565. MDIO_REG_BANK_SERDES_DIGITAL,
  4566. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4567. &control1);
  4568. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4569. /* Set sgmii mode (and not fiber) */
  4570. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4571. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4572. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4573. CL22_WR_OVER_CL45(bp, phy,
  4574. MDIO_REG_BANK_SERDES_DIGITAL,
  4575. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4576. control1);
  4577. /* If forced speed */
  4578. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4579. /* Set speed, disable autoneg */
  4580. u16 mii_control;
  4581. CL22_RD_OVER_CL45(bp, phy,
  4582. MDIO_REG_BANK_COMBO_IEEE0,
  4583. MDIO_COMBO_IEEE0_MII_CONTROL,
  4584. &mii_control);
  4585. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4586. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4587. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4588. switch (vars->line_speed) {
  4589. case SPEED_100:
  4590. mii_control |=
  4591. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4592. break;
  4593. case SPEED_1000:
  4594. mii_control |=
  4595. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4596. break;
  4597. case SPEED_10:
  4598. /* There is nothing to set for 10M */
  4599. break;
  4600. default:
  4601. /* Invalid speed for SGMII */
  4602. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4603. vars->line_speed);
  4604. break;
  4605. }
  4606. /* Setting the full duplex */
  4607. if (phy->req_duplex == DUPLEX_FULL)
  4608. mii_control |=
  4609. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4610. CL22_WR_OVER_CL45(bp, phy,
  4611. MDIO_REG_BANK_COMBO_IEEE0,
  4612. MDIO_COMBO_IEEE0_MII_CONTROL,
  4613. mii_control);
  4614. } else { /* AN mode */
  4615. /* Enable and restart AN */
  4616. bnx2x_restart_autoneg(phy, params, 0);
  4617. }
  4618. }
  4619. /* Link management
  4620. */
  4621. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4622. struct link_params *params)
  4623. {
  4624. struct bnx2x *bp = params->bp;
  4625. u16 pd_10g, status2_1000x;
  4626. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4627. return 0;
  4628. CL22_RD_OVER_CL45(bp, phy,
  4629. MDIO_REG_BANK_SERDES_DIGITAL,
  4630. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4631. &status2_1000x);
  4632. CL22_RD_OVER_CL45(bp, phy,
  4633. MDIO_REG_BANK_SERDES_DIGITAL,
  4634. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4635. &status2_1000x);
  4636. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4637. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4638. params->port);
  4639. return 1;
  4640. }
  4641. CL22_RD_OVER_CL45(bp, phy,
  4642. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4643. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4644. &pd_10g);
  4645. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4646. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4647. params->port);
  4648. return 1;
  4649. }
  4650. return 0;
  4651. }
  4652. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4653. struct link_params *params,
  4654. struct link_vars *vars,
  4655. u32 gp_status)
  4656. {
  4657. u16 ld_pause; /* local driver */
  4658. u16 lp_pause; /* link partner */
  4659. u16 pause_result;
  4660. struct bnx2x *bp = params->bp;
  4661. if ((gp_status &
  4662. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4663. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4664. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4665. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4666. CL22_RD_OVER_CL45(bp, phy,
  4667. MDIO_REG_BANK_CL73_IEEEB1,
  4668. MDIO_CL73_IEEEB1_AN_ADV1,
  4669. &ld_pause);
  4670. CL22_RD_OVER_CL45(bp, phy,
  4671. MDIO_REG_BANK_CL73_IEEEB1,
  4672. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4673. &lp_pause);
  4674. pause_result = (ld_pause &
  4675. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4676. pause_result |= (lp_pause &
  4677. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4678. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4679. } else {
  4680. CL22_RD_OVER_CL45(bp, phy,
  4681. MDIO_REG_BANK_COMBO_IEEE0,
  4682. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4683. &ld_pause);
  4684. CL22_RD_OVER_CL45(bp, phy,
  4685. MDIO_REG_BANK_COMBO_IEEE0,
  4686. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4687. &lp_pause);
  4688. pause_result = (ld_pause &
  4689. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4690. pause_result |= (lp_pause &
  4691. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4692. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4693. }
  4694. bnx2x_pause_resolve(vars, pause_result);
  4695. }
  4696. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4697. struct link_params *params,
  4698. struct link_vars *vars,
  4699. u32 gp_status)
  4700. {
  4701. struct bnx2x *bp = params->bp;
  4702. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4703. /* Resolve from gp_status in case of AN complete and not sgmii */
  4704. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4705. /* Update the advertised flow-controled of LD/LP in AN */
  4706. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4707. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4708. /* But set the flow-control result as the requested one */
  4709. vars->flow_ctrl = phy->req_flow_ctrl;
  4710. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4711. vars->flow_ctrl = params->req_fc_auto_adv;
  4712. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4713. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4714. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4715. vars->flow_ctrl = params->req_fc_auto_adv;
  4716. return;
  4717. }
  4718. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4719. }
  4720. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4721. }
  4722. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4723. struct link_params *params)
  4724. {
  4725. struct bnx2x *bp = params->bp;
  4726. u16 rx_status, ustat_val, cl37_fsm_received;
  4727. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4728. /* Step 1: Make sure signal is detected */
  4729. CL22_RD_OVER_CL45(bp, phy,
  4730. MDIO_REG_BANK_RX0,
  4731. MDIO_RX0_RX_STATUS,
  4732. &rx_status);
  4733. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4734. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4735. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4736. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4737. CL22_WR_OVER_CL45(bp, phy,
  4738. MDIO_REG_BANK_CL73_IEEEB0,
  4739. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4740. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4741. return;
  4742. }
  4743. /* Step 2: Check CL73 state machine */
  4744. CL22_RD_OVER_CL45(bp, phy,
  4745. MDIO_REG_BANK_CL73_USERB0,
  4746. MDIO_CL73_USERB0_CL73_USTAT1,
  4747. &ustat_val);
  4748. if ((ustat_val &
  4749. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4750. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4751. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4752. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4753. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4754. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4755. return;
  4756. }
  4757. /* Step 3: Check CL37 Message Pages received to indicate LP
  4758. * supports only CL37
  4759. */
  4760. CL22_RD_OVER_CL45(bp, phy,
  4761. MDIO_REG_BANK_REMOTE_PHY,
  4762. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4763. &cl37_fsm_received);
  4764. if ((cl37_fsm_received &
  4765. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4766. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4767. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4768. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4769. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4770. "misc_rx_status(0x8330) = 0x%x\n",
  4771. cl37_fsm_received);
  4772. return;
  4773. }
  4774. /* The combined cl37/cl73 fsm state information indicating that
  4775. * we are connected to a device which does not support cl73, but
  4776. * does support cl37 BAM. In this case we disable cl73 and
  4777. * restart cl37 auto-neg
  4778. */
  4779. /* Disable CL73 */
  4780. CL22_WR_OVER_CL45(bp, phy,
  4781. MDIO_REG_BANK_CL73_IEEEB0,
  4782. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4783. 0);
  4784. /* Restart CL37 autoneg */
  4785. bnx2x_restart_autoneg(phy, params, 0);
  4786. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4787. }
  4788. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4789. struct link_params *params,
  4790. struct link_vars *vars,
  4791. u32 gp_status)
  4792. {
  4793. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4794. vars->link_status |=
  4795. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4796. if (bnx2x_direct_parallel_detect_used(phy, params))
  4797. vars->link_status |=
  4798. LINK_STATUS_PARALLEL_DETECTION_USED;
  4799. }
  4800. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4801. struct link_params *params,
  4802. struct link_vars *vars,
  4803. u16 is_link_up,
  4804. u16 speed_mask,
  4805. u16 is_duplex)
  4806. {
  4807. struct bnx2x *bp = params->bp;
  4808. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4809. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4810. if (is_link_up) {
  4811. DP(NETIF_MSG_LINK, "phy link up\n");
  4812. vars->phy_link_up = 1;
  4813. vars->link_status |= LINK_STATUS_LINK_UP;
  4814. switch (speed_mask) {
  4815. case GP_STATUS_10M:
  4816. vars->line_speed = SPEED_10;
  4817. if (is_duplex == DUPLEX_FULL)
  4818. vars->link_status |= LINK_10TFD;
  4819. else
  4820. vars->link_status |= LINK_10THD;
  4821. break;
  4822. case GP_STATUS_100M:
  4823. vars->line_speed = SPEED_100;
  4824. if (is_duplex == DUPLEX_FULL)
  4825. vars->link_status |= LINK_100TXFD;
  4826. else
  4827. vars->link_status |= LINK_100TXHD;
  4828. break;
  4829. case GP_STATUS_1G:
  4830. case GP_STATUS_1G_KX:
  4831. vars->line_speed = SPEED_1000;
  4832. if (is_duplex == DUPLEX_FULL)
  4833. vars->link_status |= LINK_1000TFD;
  4834. else
  4835. vars->link_status |= LINK_1000THD;
  4836. break;
  4837. case GP_STATUS_2_5G:
  4838. vars->line_speed = SPEED_2500;
  4839. if (is_duplex == DUPLEX_FULL)
  4840. vars->link_status |= LINK_2500TFD;
  4841. else
  4842. vars->link_status |= LINK_2500THD;
  4843. break;
  4844. case GP_STATUS_5G:
  4845. case GP_STATUS_6G:
  4846. DP(NETIF_MSG_LINK,
  4847. "link speed unsupported gp_status 0x%x\n",
  4848. speed_mask);
  4849. return -EINVAL;
  4850. case GP_STATUS_10G_KX4:
  4851. case GP_STATUS_10G_HIG:
  4852. case GP_STATUS_10G_CX4:
  4853. case GP_STATUS_10G_KR:
  4854. case GP_STATUS_10G_SFI:
  4855. case GP_STATUS_10G_XFI:
  4856. vars->line_speed = SPEED_10000;
  4857. vars->link_status |= LINK_10GTFD;
  4858. break;
  4859. case GP_STATUS_20G_DXGXS:
  4860. case GP_STATUS_20G_KR2:
  4861. vars->line_speed = SPEED_20000;
  4862. vars->link_status |= LINK_20GTFD;
  4863. break;
  4864. default:
  4865. DP(NETIF_MSG_LINK,
  4866. "link speed unsupported gp_status 0x%x\n",
  4867. speed_mask);
  4868. return -EINVAL;
  4869. }
  4870. } else { /* link_down */
  4871. DP(NETIF_MSG_LINK, "phy link down\n");
  4872. vars->phy_link_up = 0;
  4873. vars->duplex = DUPLEX_FULL;
  4874. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4875. vars->mac_type = MAC_TYPE_NONE;
  4876. }
  4877. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4878. vars->phy_link_up, vars->line_speed);
  4879. return 0;
  4880. }
  4881. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4882. struct link_params *params,
  4883. struct link_vars *vars)
  4884. {
  4885. struct bnx2x *bp = params->bp;
  4886. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4887. int rc = 0;
  4888. /* Read gp_status */
  4889. CL22_RD_OVER_CL45(bp, phy,
  4890. MDIO_REG_BANK_GP_STATUS,
  4891. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4892. &gp_status);
  4893. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4894. duplex = DUPLEX_FULL;
  4895. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4896. link_up = 1;
  4897. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4898. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4899. gp_status, link_up, speed_mask);
  4900. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4901. duplex);
  4902. if (rc == -EINVAL)
  4903. return rc;
  4904. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4905. if (SINGLE_MEDIA_DIRECT(params)) {
  4906. vars->duplex = duplex;
  4907. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4908. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4909. bnx2x_xgxs_an_resolve(phy, params, vars,
  4910. gp_status);
  4911. }
  4912. } else { /* Link_down */
  4913. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4914. SINGLE_MEDIA_DIRECT(params)) {
  4915. /* Check signal is detected */
  4916. bnx2x_check_fallback_to_cl37(phy, params);
  4917. }
  4918. }
  4919. /* Read LP advertised speeds*/
  4920. if (SINGLE_MEDIA_DIRECT(params) &&
  4921. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4922. u16 val;
  4923. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4924. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4925. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4926. vars->link_status |=
  4927. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4928. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4929. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4930. vars->link_status |=
  4931. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4932. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4933. MDIO_OVER_1G_LP_UP1, &val);
  4934. if (val & MDIO_OVER_1G_UP1_2_5G)
  4935. vars->link_status |=
  4936. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4937. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4938. vars->link_status |=
  4939. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4940. }
  4941. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4942. vars->duplex, vars->flow_ctrl, vars->link_status);
  4943. return rc;
  4944. }
  4945. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4946. struct link_params *params,
  4947. struct link_vars *vars)
  4948. {
  4949. struct bnx2x *bp = params->bp;
  4950. u8 lane;
  4951. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4952. int rc = 0;
  4953. lane = bnx2x_get_warpcore_lane(phy, params);
  4954. /* Read gp_status */
  4955. if ((params->loopback_mode) &&
  4956. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4957. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4958. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4959. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4960. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4961. link_up &= 0x1;
  4962. } else if ((phy->req_line_speed > SPEED_10000) &&
  4963. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4964. u16 temp_link_up;
  4965. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4966. 1, &temp_link_up);
  4967. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4968. 1, &link_up);
  4969. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4970. temp_link_up, link_up);
  4971. link_up &= (1<<2);
  4972. if (link_up)
  4973. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4974. } else {
  4975. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4976. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4977. &gp_status1);
  4978. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4979. /* Check for either KR, 1G, or AN up. */
  4980. link_up = ((gp_status1 >> 8) |
  4981. (gp_status1 >> 12) |
  4982. (gp_status1)) &
  4983. (1 << lane);
  4984. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4985. u16 an_link;
  4986. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4987. MDIO_AN_REG_STATUS, &an_link);
  4988. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4989. MDIO_AN_REG_STATUS, &an_link);
  4990. link_up |= (an_link & (1<<2));
  4991. }
  4992. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4993. u16 pd, gp_status4;
  4994. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4995. /* Check Autoneg complete */
  4996. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4997. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4998. &gp_status4);
  4999. if (gp_status4 & ((1<<12)<<lane))
  5000. vars->link_status |=
  5001. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5002. /* Check parallel detect used */
  5003. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5004. MDIO_WC_REG_PAR_DET_10G_STATUS,
  5005. &pd);
  5006. if (pd & (1<<15))
  5007. vars->link_status |=
  5008. LINK_STATUS_PARALLEL_DETECTION_USED;
  5009. }
  5010. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  5011. vars->duplex = duplex;
  5012. }
  5013. }
  5014. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  5015. SINGLE_MEDIA_DIRECT(params)) {
  5016. u16 val;
  5017. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  5018. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5019. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5020. vars->link_status |=
  5021. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5022. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5023. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5024. vars->link_status |=
  5025. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5026. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5027. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5028. if (val & MDIO_OVER_1G_UP1_2_5G)
  5029. vars->link_status |=
  5030. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5031. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5032. vars->link_status |=
  5033. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5034. }
  5035. if (lane < 2) {
  5036. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5037. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5038. } else {
  5039. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5040. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5041. }
  5042. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5043. if ((lane & 1) == 0)
  5044. gp_speed <<= 8;
  5045. gp_speed &= 0x3f00;
  5046. link_up = !!link_up;
  5047. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5048. duplex);
  5049. /* In case of KR link down, start up the recovering procedure */
  5050. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5051. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5052. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5053. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5054. vars->duplex, vars->flow_ctrl, vars->link_status);
  5055. return rc;
  5056. }
  5057. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5058. {
  5059. struct bnx2x *bp = params->bp;
  5060. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5061. u16 lp_up2;
  5062. u16 tx_driver;
  5063. u16 bank;
  5064. /* Read precomp */
  5065. CL22_RD_OVER_CL45(bp, phy,
  5066. MDIO_REG_BANK_OVER_1G,
  5067. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5068. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5069. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5070. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5071. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5072. if (lp_up2 == 0)
  5073. return;
  5074. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5075. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5076. CL22_RD_OVER_CL45(bp, phy,
  5077. bank,
  5078. MDIO_TX0_TX_DRIVER, &tx_driver);
  5079. /* Replace tx_driver bits [15:12] */
  5080. if (lp_up2 !=
  5081. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5082. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5083. tx_driver |= lp_up2;
  5084. CL22_WR_OVER_CL45(bp, phy,
  5085. bank,
  5086. MDIO_TX0_TX_DRIVER, tx_driver);
  5087. }
  5088. }
  5089. }
  5090. static int bnx2x_emac_program(struct link_params *params,
  5091. struct link_vars *vars)
  5092. {
  5093. struct bnx2x *bp = params->bp;
  5094. u8 port = params->port;
  5095. u16 mode = 0;
  5096. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5097. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5098. EMAC_REG_EMAC_MODE,
  5099. (EMAC_MODE_25G_MODE |
  5100. EMAC_MODE_PORT_MII_10M |
  5101. EMAC_MODE_HALF_DUPLEX));
  5102. switch (vars->line_speed) {
  5103. case SPEED_10:
  5104. mode |= EMAC_MODE_PORT_MII_10M;
  5105. break;
  5106. case SPEED_100:
  5107. mode |= EMAC_MODE_PORT_MII;
  5108. break;
  5109. case SPEED_1000:
  5110. mode |= EMAC_MODE_PORT_GMII;
  5111. break;
  5112. case SPEED_2500:
  5113. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5114. break;
  5115. default:
  5116. /* 10G not valid for EMAC */
  5117. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5118. vars->line_speed);
  5119. return -EINVAL;
  5120. }
  5121. if (vars->duplex == DUPLEX_HALF)
  5122. mode |= EMAC_MODE_HALF_DUPLEX;
  5123. bnx2x_bits_en(bp,
  5124. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5125. mode);
  5126. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5127. return 0;
  5128. }
  5129. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5130. struct link_params *params)
  5131. {
  5132. u16 bank, i = 0;
  5133. struct bnx2x *bp = params->bp;
  5134. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5135. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5136. CL22_WR_OVER_CL45(bp, phy,
  5137. bank,
  5138. MDIO_RX0_RX_EQ_BOOST,
  5139. phy->rx_preemphasis[i]);
  5140. }
  5141. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5142. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5143. CL22_WR_OVER_CL45(bp, phy,
  5144. bank,
  5145. MDIO_TX0_TX_DRIVER,
  5146. phy->tx_preemphasis[i]);
  5147. }
  5148. }
  5149. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5150. struct link_params *params,
  5151. struct link_vars *vars)
  5152. {
  5153. struct bnx2x *bp = params->bp;
  5154. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5155. (params->loopback_mode == LOOPBACK_XGXS));
  5156. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5157. if (SINGLE_MEDIA_DIRECT(params) &&
  5158. (params->feature_config_flags &
  5159. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5160. bnx2x_set_preemphasis(phy, params);
  5161. /* Forced speed requested? */
  5162. if (vars->line_speed != SPEED_AUTO_NEG ||
  5163. (SINGLE_MEDIA_DIRECT(params) &&
  5164. params->loopback_mode == LOOPBACK_EXT)) {
  5165. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5166. /* Disable autoneg */
  5167. bnx2x_set_autoneg(phy, params, vars, 0);
  5168. /* Program speed and duplex */
  5169. bnx2x_program_serdes(phy, params, vars);
  5170. } else { /* AN_mode */
  5171. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5172. /* AN enabled */
  5173. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5174. /* Program duplex & pause advertisement (for aneg) */
  5175. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5176. vars->ieee_fc);
  5177. /* Enable autoneg */
  5178. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5179. /* Enable and restart AN */
  5180. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5181. }
  5182. } else { /* SGMII mode */
  5183. DP(NETIF_MSG_LINK, "SGMII\n");
  5184. bnx2x_initialize_sgmii_process(phy, params, vars);
  5185. }
  5186. }
  5187. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5188. struct link_params *params,
  5189. struct link_vars *vars)
  5190. {
  5191. int rc;
  5192. vars->phy_flags |= PHY_XGXS_FLAG;
  5193. if ((phy->req_line_speed &&
  5194. ((phy->req_line_speed == SPEED_100) ||
  5195. (phy->req_line_speed == SPEED_10))) ||
  5196. (!phy->req_line_speed &&
  5197. (phy->speed_cap_mask >=
  5198. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5199. (phy->speed_cap_mask <
  5200. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5201. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5202. vars->phy_flags |= PHY_SGMII_FLAG;
  5203. else
  5204. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5205. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5206. bnx2x_set_aer_mmd(params, phy);
  5207. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5208. bnx2x_set_master_ln(params, phy);
  5209. rc = bnx2x_reset_unicore(params, phy, 0);
  5210. /* Reset the SerDes and wait for reset bit return low */
  5211. if (rc)
  5212. return rc;
  5213. bnx2x_set_aer_mmd(params, phy);
  5214. /* Setting the masterLn_def again after the reset */
  5215. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5216. bnx2x_set_master_ln(params, phy);
  5217. bnx2x_set_swap_lanes(params, phy);
  5218. }
  5219. return rc;
  5220. }
  5221. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5222. struct bnx2x_phy *phy,
  5223. struct link_params *params)
  5224. {
  5225. u16 cnt, ctrl;
  5226. /* Wait for soft reset to get cleared up to 1 sec */
  5227. for (cnt = 0; cnt < 1000; cnt++) {
  5228. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5229. bnx2x_cl22_read(bp, phy,
  5230. MDIO_PMA_REG_CTRL, &ctrl);
  5231. else
  5232. bnx2x_cl45_read(bp, phy,
  5233. MDIO_PMA_DEVAD,
  5234. MDIO_PMA_REG_CTRL, &ctrl);
  5235. if (!(ctrl & (1<<15)))
  5236. break;
  5237. usleep_range(1000, 2000);
  5238. }
  5239. if (cnt == 1000)
  5240. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5241. " Port %d\n",
  5242. params->port);
  5243. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5244. return cnt;
  5245. }
  5246. static void bnx2x_link_int_enable(struct link_params *params)
  5247. {
  5248. u8 port = params->port;
  5249. u32 mask;
  5250. struct bnx2x *bp = params->bp;
  5251. /* Setting the status to report on link up for either XGXS or SerDes */
  5252. if (CHIP_IS_E3(bp)) {
  5253. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5254. if (!(SINGLE_MEDIA_DIRECT(params)))
  5255. mask |= NIG_MASK_MI_INT;
  5256. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5257. mask = (NIG_MASK_XGXS0_LINK10G |
  5258. NIG_MASK_XGXS0_LINK_STATUS);
  5259. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5260. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5261. params->phy[INT_PHY].type !=
  5262. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5263. mask |= NIG_MASK_MI_INT;
  5264. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5265. }
  5266. } else { /* SerDes */
  5267. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5268. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5269. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5270. params->phy[INT_PHY].type !=
  5271. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5272. mask |= NIG_MASK_MI_INT;
  5273. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5274. }
  5275. }
  5276. bnx2x_bits_en(bp,
  5277. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5278. mask);
  5279. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5280. (params->switch_cfg == SWITCH_CFG_10G),
  5281. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5282. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5283. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5284. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5285. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5286. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5287. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5288. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5289. }
  5290. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5291. u8 exp_mi_int)
  5292. {
  5293. u32 latch_status = 0;
  5294. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5295. * status register. Link down indication is high-active-signal,
  5296. * so in this case we need to write the status to clear the XOR
  5297. */
  5298. /* Read Latched signals */
  5299. latch_status = REG_RD(bp,
  5300. NIG_REG_LATCH_STATUS_0 + port*8);
  5301. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5302. /* Handle only those with latched-signal=up.*/
  5303. if (exp_mi_int)
  5304. bnx2x_bits_en(bp,
  5305. NIG_REG_STATUS_INTERRUPT_PORT0
  5306. + port*4,
  5307. NIG_STATUS_EMAC0_MI_INT);
  5308. else
  5309. bnx2x_bits_dis(bp,
  5310. NIG_REG_STATUS_INTERRUPT_PORT0
  5311. + port*4,
  5312. NIG_STATUS_EMAC0_MI_INT);
  5313. if (latch_status & 1) {
  5314. /* For all latched-signal=up : Re-Arm Latch signals */
  5315. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5316. (latch_status & 0xfffe) | (latch_status & 1));
  5317. }
  5318. /* For all latched-signal=up,Write original_signal to status */
  5319. }
  5320. static void bnx2x_link_int_ack(struct link_params *params,
  5321. struct link_vars *vars, u8 is_10g_plus)
  5322. {
  5323. struct bnx2x *bp = params->bp;
  5324. u8 port = params->port;
  5325. u32 mask;
  5326. /* First reset all status we assume only one line will be
  5327. * change at a time
  5328. */
  5329. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5330. (NIG_STATUS_XGXS0_LINK10G |
  5331. NIG_STATUS_XGXS0_LINK_STATUS |
  5332. NIG_STATUS_SERDES0_LINK_STATUS));
  5333. if (vars->phy_link_up) {
  5334. if (USES_WARPCORE(bp))
  5335. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5336. else {
  5337. if (is_10g_plus)
  5338. mask = NIG_STATUS_XGXS0_LINK10G;
  5339. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5340. /* Disable the link interrupt by writing 1 to
  5341. * the relevant lane in the status register
  5342. */
  5343. u32 ser_lane =
  5344. ((params->lane_config &
  5345. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5346. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5347. mask = ((1 << ser_lane) <<
  5348. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5349. } else
  5350. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5351. }
  5352. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5353. mask);
  5354. bnx2x_bits_en(bp,
  5355. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5356. mask);
  5357. }
  5358. }
  5359. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5360. {
  5361. u8 *str_ptr = str;
  5362. u32 mask = 0xf0000000;
  5363. u8 shift = 8*4;
  5364. u8 digit;
  5365. u8 remove_leading_zeros = 1;
  5366. if (*len < 10) {
  5367. /* Need more than 10chars for this format */
  5368. *str_ptr = '\0';
  5369. (*len)--;
  5370. return -EINVAL;
  5371. }
  5372. while (shift > 0) {
  5373. shift -= 4;
  5374. digit = ((num & mask) >> shift);
  5375. if (digit == 0 && remove_leading_zeros) {
  5376. mask = mask >> 4;
  5377. continue;
  5378. } else if (digit < 0xa)
  5379. *str_ptr = digit + '0';
  5380. else
  5381. *str_ptr = digit - 0xa + 'a';
  5382. remove_leading_zeros = 0;
  5383. str_ptr++;
  5384. (*len)--;
  5385. mask = mask >> 4;
  5386. if (shift == 4*4) {
  5387. *str_ptr = '.';
  5388. str_ptr++;
  5389. (*len)--;
  5390. remove_leading_zeros = 1;
  5391. }
  5392. }
  5393. return 0;
  5394. }
  5395. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5396. {
  5397. str[0] = '\0';
  5398. (*len)--;
  5399. return 0;
  5400. }
  5401. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5402. u16 len)
  5403. {
  5404. struct bnx2x *bp;
  5405. u32 spirom_ver = 0;
  5406. int status = 0;
  5407. u8 *ver_p = version;
  5408. u16 remain_len = len;
  5409. if (version == NULL || params == NULL)
  5410. return -EINVAL;
  5411. bp = params->bp;
  5412. /* Extract first external phy*/
  5413. version[0] = '\0';
  5414. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5415. if (params->phy[EXT_PHY1].format_fw_ver) {
  5416. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5417. ver_p,
  5418. &remain_len);
  5419. ver_p += (len - remain_len);
  5420. }
  5421. if ((params->num_phys == MAX_PHYS) &&
  5422. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5423. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5424. if (params->phy[EXT_PHY2].format_fw_ver) {
  5425. *ver_p = '/';
  5426. ver_p++;
  5427. remain_len--;
  5428. status |= params->phy[EXT_PHY2].format_fw_ver(
  5429. spirom_ver,
  5430. ver_p,
  5431. &remain_len);
  5432. ver_p = version + (len - remain_len);
  5433. }
  5434. }
  5435. *ver_p = '\0';
  5436. return status;
  5437. }
  5438. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5439. struct link_params *params)
  5440. {
  5441. u8 port = params->port;
  5442. struct bnx2x *bp = params->bp;
  5443. if (phy->req_line_speed != SPEED_1000) {
  5444. u32 md_devad = 0;
  5445. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5446. if (!CHIP_IS_E3(bp)) {
  5447. /* Change the uni_phy_addr in the nig */
  5448. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5449. port*0x18));
  5450. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5451. 0x5);
  5452. }
  5453. bnx2x_cl45_write(bp, phy,
  5454. 5,
  5455. (MDIO_REG_BANK_AER_BLOCK +
  5456. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5457. 0x2800);
  5458. bnx2x_cl45_write(bp, phy,
  5459. 5,
  5460. (MDIO_REG_BANK_CL73_IEEEB0 +
  5461. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5462. 0x6041);
  5463. msleep(200);
  5464. /* Set aer mmd back */
  5465. bnx2x_set_aer_mmd(params, phy);
  5466. if (!CHIP_IS_E3(bp)) {
  5467. /* And md_devad */
  5468. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5469. md_devad);
  5470. }
  5471. } else {
  5472. u16 mii_ctrl;
  5473. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5474. bnx2x_cl45_read(bp, phy, 5,
  5475. (MDIO_REG_BANK_COMBO_IEEE0 +
  5476. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5477. &mii_ctrl);
  5478. bnx2x_cl45_write(bp, phy, 5,
  5479. (MDIO_REG_BANK_COMBO_IEEE0 +
  5480. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5481. mii_ctrl |
  5482. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5483. }
  5484. }
  5485. int bnx2x_set_led(struct link_params *params,
  5486. struct link_vars *vars, u8 mode, u32 speed)
  5487. {
  5488. u8 port = params->port;
  5489. u16 hw_led_mode = params->hw_led_mode;
  5490. int rc = 0;
  5491. u8 phy_idx;
  5492. u32 tmp;
  5493. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5494. struct bnx2x *bp = params->bp;
  5495. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5496. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5497. speed, hw_led_mode);
  5498. /* In case */
  5499. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5500. if (params->phy[phy_idx].set_link_led) {
  5501. params->phy[phy_idx].set_link_led(
  5502. &params->phy[phy_idx], params, mode);
  5503. }
  5504. }
  5505. switch (mode) {
  5506. case LED_MODE_FRONT_PANEL_OFF:
  5507. case LED_MODE_OFF:
  5508. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5509. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5510. SHARED_HW_CFG_LED_MAC1);
  5511. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5512. if (params->phy[EXT_PHY1].type ==
  5513. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5514. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5515. EMAC_LED_100MB_OVERRIDE |
  5516. EMAC_LED_10MB_OVERRIDE);
  5517. else
  5518. tmp |= EMAC_LED_OVERRIDE;
  5519. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5520. break;
  5521. case LED_MODE_OPER:
  5522. /* For all other phys, OPER mode is same as ON, so in case
  5523. * link is down, do nothing
  5524. */
  5525. if (!vars->link_up)
  5526. break;
  5527. case LED_MODE_ON:
  5528. if (((params->phy[EXT_PHY1].type ==
  5529. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5530. (params->phy[EXT_PHY1].type ==
  5531. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5532. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5533. /* This is a work-around for E2+8727 Configurations */
  5534. if (mode == LED_MODE_ON ||
  5535. speed == SPEED_10000){
  5536. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5537. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5538. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5539. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5540. (tmp | EMAC_LED_OVERRIDE));
  5541. /* Return here without enabling traffic
  5542. * LED blink and setting rate in ON mode.
  5543. * In oper mode, enabling LED blink
  5544. * and setting rate is needed.
  5545. */
  5546. if (mode == LED_MODE_ON)
  5547. return rc;
  5548. }
  5549. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5550. /* This is a work-around for HW issue found when link
  5551. * is up in CL73
  5552. */
  5553. if ((!CHIP_IS_E3(bp)) ||
  5554. (CHIP_IS_E3(bp) &&
  5555. mode == LED_MODE_ON))
  5556. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5557. if (CHIP_IS_E1x(bp) ||
  5558. CHIP_IS_E2(bp) ||
  5559. (mode == LED_MODE_ON))
  5560. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5561. else
  5562. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5563. hw_led_mode);
  5564. } else if ((params->phy[EXT_PHY1].type ==
  5565. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5566. (mode == LED_MODE_ON)) {
  5567. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5568. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5569. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5570. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5571. /* Break here; otherwise, it'll disable the
  5572. * intended override.
  5573. */
  5574. break;
  5575. } else {
  5576. u32 nig_led_mode = ((params->hw_led_mode <<
  5577. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  5578. SHARED_HW_CFG_LED_EXTPHY2) ?
  5579. (SHARED_HW_CFG_LED_PHY1 >>
  5580. SHARED_HW_CFG_LED_MODE_SHIFT) : hw_led_mode;
  5581. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5582. nig_led_mode);
  5583. }
  5584. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5585. /* Set blinking rate to ~15.9Hz */
  5586. if (CHIP_IS_E3(bp))
  5587. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5588. LED_BLINK_RATE_VAL_E3);
  5589. else
  5590. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5591. LED_BLINK_RATE_VAL_E1X_E2);
  5592. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5593. port*4, 1);
  5594. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5595. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5596. (tmp & (~EMAC_LED_OVERRIDE)));
  5597. if (CHIP_IS_E1(bp) &&
  5598. ((speed == SPEED_2500) ||
  5599. (speed == SPEED_1000) ||
  5600. (speed == SPEED_100) ||
  5601. (speed == SPEED_10))) {
  5602. /* For speeds less than 10G LED scheme is different */
  5603. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5604. + port*4, 1);
  5605. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5606. port*4, 0);
  5607. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5608. port*4, 1);
  5609. }
  5610. break;
  5611. default:
  5612. rc = -EINVAL;
  5613. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5614. mode);
  5615. break;
  5616. }
  5617. return rc;
  5618. }
  5619. /* This function comes to reflect the actual link state read DIRECTLY from the
  5620. * HW
  5621. */
  5622. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5623. u8 is_serdes)
  5624. {
  5625. struct bnx2x *bp = params->bp;
  5626. u16 gp_status = 0, phy_index = 0;
  5627. u8 ext_phy_link_up = 0, serdes_phy_type;
  5628. struct link_vars temp_vars;
  5629. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5630. if (CHIP_IS_E3(bp)) {
  5631. u16 link_up;
  5632. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5633. > SPEED_10000) {
  5634. /* Check 20G link */
  5635. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5636. 1, &link_up);
  5637. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5638. 1, &link_up);
  5639. link_up &= (1<<2);
  5640. } else {
  5641. /* Check 10G link and below*/
  5642. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5643. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5644. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5645. &gp_status);
  5646. gp_status = ((gp_status >> 8) & 0xf) |
  5647. ((gp_status >> 12) & 0xf);
  5648. link_up = gp_status & (1 << lane);
  5649. }
  5650. if (!link_up)
  5651. return -ESRCH;
  5652. } else {
  5653. CL22_RD_OVER_CL45(bp, int_phy,
  5654. MDIO_REG_BANK_GP_STATUS,
  5655. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5656. &gp_status);
  5657. /* Link is up only if both local phy and external phy are up */
  5658. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5659. return -ESRCH;
  5660. }
  5661. /* In XGXS loopback mode, do not check external PHY */
  5662. if (params->loopback_mode == LOOPBACK_XGXS)
  5663. return 0;
  5664. switch (params->num_phys) {
  5665. case 1:
  5666. /* No external PHY */
  5667. return 0;
  5668. case 2:
  5669. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5670. &params->phy[EXT_PHY1],
  5671. params, &temp_vars);
  5672. break;
  5673. case 3: /* Dual Media */
  5674. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5675. phy_index++) {
  5676. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5677. ETH_PHY_SFPP_10G_FIBER) ||
  5678. (params->phy[phy_index].media_type ==
  5679. ETH_PHY_SFP_1G_FIBER) ||
  5680. (params->phy[phy_index].media_type ==
  5681. ETH_PHY_XFP_FIBER) ||
  5682. (params->phy[phy_index].media_type ==
  5683. ETH_PHY_DA_TWINAX));
  5684. if (is_serdes != serdes_phy_type)
  5685. continue;
  5686. if (params->phy[phy_index].read_status) {
  5687. ext_phy_link_up |=
  5688. params->phy[phy_index].read_status(
  5689. &params->phy[phy_index],
  5690. params, &temp_vars);
  5691. }
  5692. }
  5693. break;
  5694. }
  5695. if (ext_phy_link_up)
  5696. return 0;
  5697. return -ESRCH;
  5698. }
  5699. static int bnx2x_link_initialize(struct link_params *params,
  5700. struct link_vars *vars)
  5701. {
  5702. int rc = 0;
  5703. u8 phy_index, non_ext_phy;
  5704. struct bnx2x *bp = params->bp;
  5705. /* In case of external phy existence, the line speed would be the
  5706. * line speed linked up by the external phy. In case it is direct
  5707. * only, then the line_speed during initialization will be
  5708. * equal to the req_line_speed
  5709. */
  5710. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5711. /* Initialize the internal phy in case this is a direct board
  5712. * (no external phys), or this board has external phy which requires
  5713. * to first.
  5714. */
  5715. if (!USES_WARPCORE(bp))
  5716. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5717. /* init ext phy and enable link state int */
  5718. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5719. (params->loopback_mode == LOOPBACK_XGXS));
  5720. if (non_ext_phy ||
  5721. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5722. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5723. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5724. if (vars->line_speed == SPEED_AUTO_NEG &&
  5725. (CHIP_IS_E1x(bp) ||
  5726. CHIP_IS_E2(bp)))
  5727. bnx2x_set_parallel_detection(phy, params);
  5728. if (params->phy[INT_PHY].config_init)
  5729. params->phy[INT_PHY].config_init(phy, params, vars);
  5730. }
  5731. /* Re-read this value in case it was changed inside config_init due to
  5732. * limitations of optic module
  5733. */
  5734. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5735. /* Init external phy*/
  5736. if (non_ext_phy) {
  5737. if (params->phy[INT_PHY].supported &
  5738. SUPPORTED_FIBRE)
  5739. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5740. } else {
  5741. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5742. phy_index++) {
  5743. /* No need to initialize second phy in case of first
  5744. * phy only selection. In case of second phy, we do
  5745. * need to initialize the first phy, since they are
  5746. * connected.
  5747. */
  5748. if (params->phy[phy_index].supported &
  5749. SUPPORTED_FIBRE)
  5750. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5751. if (phy_index == EXT_PHY2 &&
  5752. (bnx2x_phy_selection(params) ==
  5753. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5754. DP(NETIF_MSG_LINK,
  5755. "Not initializing second phy\n");
  5756. continue;
  5757. }
  5758. params->phy[phy_index].config_init(
  5759. &params->phy[phy_index],
  5760. params, vars);
  5761. }
  5762. }
  5763. /* Reset the interrupt indication after phy was initialized */
  5764. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5765. params->port*4,
  5766. (NIG_STATUS_XGXS0_LINK10G |
  5767. NIG_STATUS_XGXS0_LINK_STATUS |
  5768. NIG_STATUS_SERDES0_LINK_STATUS |
  5769. NIG_MASK_MI_INT));
  5770. return rc;
  5771. }
  5772. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5773. struct link_params *params)
  5774. {
  5775. /* Reset the SerDes/XGXS */
  5776. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5777. (0x1ff << (params->port*16)));
  5778. }
  5779. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5780. struct link_params *params)
  5781. {
  5782. struct bnx2x *bp = params->bp;
  5783. u8 gpio_port;
  5784. /* HW reset */
  5785. if (CHIP_IS_E2(bp))
  5786. gpio_port = BP_PATH(bp);
  5787. else
  5788. gpio_port = params->port;
  5789. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5790. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5791. gpio_port);
  5792. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5793. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5794. gpio_port);
  5795. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5796. }
  5797. static int bnx2x_update_link_down(struct link_params *params,
  5798. struct link_vars *vars)
  5799. {
  5800. struct bnx2x *bp = params->bp;
  5801. u8 port = params->port;
  5802. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5803. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5804. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5805. /* Indicate no mac active */
  5806. vars->mac_type = MAC_TYPE_NONE;
  5807. /* Update shared memory */
  5808. vars->link_status &= ~LINK_UPDATE_MASK;
  5809. vars->line_speed = 0;
  5810. bnx2x_update_mng(params, vars->link_status);
  5811. /* Activate nig drain */
  5812. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5813. /* Disable emac */
  5814. if (!CHIP_IS_E3(bp))
  5815. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5816. usleep_range(10000, 20000);
  5817. /* Reset BigMac/Xmac */
  5818. if (CHIP_IS_E1x(bp) ||
  5819. CHIP_IS_E2(bp))
  5820. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5821. if (CHIP_IS_E3(bp)) {
  5822. /* Prevent LPI Generation by chip */
  5823. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5824. 0);
  5825. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5826. 0);
  5827. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5828. SHMEM_EEE_ACTIVE_BIT);
  5829. bnx2x_update_mng_eee(params, vars->eee_status);
  5830. bnx2x_set_xmac_rxtx(params, 0);
  5831. bnx2x_set_umac_rxtx(params, 0);
  5832. }
  5833. return 0;
  5834. }
  5835. static int bnx2x_update_link_up(struct link_params *params,
  5836. struct link_vars *vars,
  5837. u8 link_10g)
  5838. {
  5839. struct bnx2x *bp = params->bp;
  5840. u8 phy_idx, port = params->port;
  5841. int rc = 0;
  5842. vars->link_status |= (LINK_STATUS_LINK_UP |
  5843. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5844. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5845. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5846. vars->link_status |=
  5847. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5848. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5849. vars->link_status |=
  5850. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5851. if (USES_WARPCORE(bp)) {
  5852. if (link_10g) {
  5853. if (bnx2x_xmac_enable(params, vars, 0) ==
  5854. -ESRCH) {
  5855. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5856. vars->link_up = 0;
  5857. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5858. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5859. }
  5860. } else
  5861. bnx2x_umac_enable(params, vars, 0);
  5862. bnx2x_set_led(params, vars,
  5863. LED_MODE_OPER, vars->line_speed);
  5864. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5865. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5866. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5867. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5868. (params->port << 2), 1);
  5869. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5870. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5871. (params->port << 2), 0xfc20);
  5872. }
  5873. }
  5874. if ((CHIP_IS_E1x(bp) ||
  5875. CHIP_IS_E2(bp))) {
  5876. if (link_10g) {
  5877. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5878. -ESRCH) {
  5879. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5880. vars->link_up = 0;
  5881. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5882. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5883. }
  5884. bnx2x_set_led(params, vars,
  5885. LED_MODE_OPER, SPEED_10000);
  5886. } else {
  5887. rc = bnx2x_emac_program(params, vars);
  5888. bnx2x_emac_enable(params, vars, 0);
  5889. /* AN complete? */
  5890. if ((vars->link_status &
  5891. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5892. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5893. SINGLE_MEDIA_DIRECT(params))
  5894. bnx2x_set_gmii_tx_driver(params);
  5895. }
  5896. }
  5897. /* PBF - link up */
  5898. if (CHIP_IS_E1x(bp))
  5899. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5900. vars->line_speed);
  5901. /* Disable drain */
  5902. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5903. /* Update shared memory */
  5904. bnx2x_update_mng(params, vars->link_status);
  5905. bnx2x_update_mng_eee(params, vars->eee_status);
  5906. /* Check remote fault */
  5907. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5908. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5909. bnx2x_check_half_open_conn(params, vars, 0);
  5910. break;
  5911. }
  5912. }
  5913. msleep(20);
  5914. return rc;
  5915. }
  5916. /* The bnx2x_link_update function should be called upon link
  5917. * interrupt.
  5918. * Link is considered up as follows:
  5919. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5920. * to be up
  5921. * - SINGLE_MEDIA - The link between the 577xx and the external
  5922. * phy (XGXS) need to up as well as the external link of the
  5923. * phy (PHY_EXT1)
  5924. * - DUAL_MEDIA - The link between the 577xx and the first
  5925. * external phy needs to be up, and at least one of the 2
  5926. * external phy link must be up.
  5927. */
  5928. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5929. {
  5930. struct bnx2x *bp = params->bp;
  5931. struct link_vars phy_vars[MAX_PHYS];
  5932. u8 port = params->port;
  5933. u8 link_10g_plus, phy_index;
  5934. u8 ext_phy_link_up = 0, cur_link_up;
  5935. int rc = 0;
  5936. u8 is_mi_int = 0;
  5937. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5938. u8 active_external_phy = INT_PHY;
  5939. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5940. vars->link_status &= ~LINK_UPDATE_MASK;
  5941. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5942. phy_index++) {
  5943. phy_vars[phy_index].flow_ctrl = 0;
  5944. phy_vars[phy_index].link_status = 0;
  5945. phy_vars[phy_index].line_speed = 0;
  5946. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5947. phy_vars[phy_index].phy_link_up = 0;
  5948. phy_vars[phy_index].link_up = 0;
  5949. phy_vars[phy_index].fault_detected = 0;
  5950. /* different consideration, since vars holds inner state */
  5951. phy_vars[phy_index].eee_status = vars->eee_status;
  5952. }
  5953. if (USES_WARPCORE(bp))
  5954. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5955. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5956. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5957. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5958. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5959. port*0x18) > 0);
  5960. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5961. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5962. is_mi_int,
  5963. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5964. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5965. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5966. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5967. /* Disable emac */
  5968. if (!CHIP_IS_E3(bp))
  5969. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5970. /* Step 1:
  5971. * Check external link change only for external phys, and apply
  5972. * priority selection between them in case the link on both phys
  5973. * is up. Note that instead of the common vars, a temporary
  5974. * vars argument is used since each phy may have different link/
  5975. * speed/duplex result
  5976. */
  5977. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5978. phy_index++) {
  5979. struct bnx2x_phy *phy = &params->phy[phy_index];
  5980. if (!phy->read_status)
  5981. continue;
  5982. /* Read link status and params of this ext phy */
  5983. cur_link_up = phy->read_status(phy, params,
  5984. &phy_vars[phy_index]);
  5985. if (cur_link_up) {
  5986. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5987. phy_index);
  5988. } else {
  5989. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5990. phy_index);
  5991. continue;
  5992. }
  5993. if (!ext_phy_link_up) {
  5994. ext_phy_link_up = 1;
  5995. active_external_phy = phy_index;
  5996. } else {
  5997. switch (bnx2x_phy_selection(params)) {
  5998. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5999. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  6000. /* In this option, the first PHY makes sure to pass the
  6001. * traffic through itself only.
  6002. * Its not clear how to reset the link on the second phy
  6003. */
  6004. active_external_phy = EXT_PHY1;
  6005. break;
  6006. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  6007. /* In this option, the first PHY makes sure to pass the
  6008. * traffic through the second PHY.
  6009. */
  6010. active_external_phy = EXT_PHY2;
  6011. break;
  6012. default:
  6013. /* Link indication on both PHYs with the following cases
  6014. * is invalid:
  6015. * - FIRST_PHY means that second phy wasn't initialized,
  6016. * hence its link is expected to be down
  6017. * - SECOND_PHY means that first phy should not be able
  6018. * to link up by itself (using configuration)
  6019. * - DEFAULT should be overriden during initialiazation
  6020. */
  6021. DP(NETIF_MSG_LINK, "Invalid link indication"
  6022. "mpc=0x%x. DISABLING LINK !!!\n",
  6023. params->multi_phy_config);
  6024. ext_phy_link_up = 0;
  6025. break;
  6026. }
  6027. }
  6028. }
  6029. prev_line_speed = vars->line_speed;
  6030. /* Step 2:
  6031. * Read the status of the internal phy. In case of
  6032. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6033. * otherwise this is the link between the 577xx and the first
  6034. * external phy
  6035. */
  6036. if (params->phy[INT_PHY].read_status)
  6037. params->phy[INT_PHY].read_status(
  6038. &params->phy[INT_PHY],
  6039. params, vars);
  6040. /* The INT_PHY flow control reside in the vars. This include the
  6041. * case where the speed or flow control are not set to AUTO.
  6042. * Otherwise, the active external phy flow control result is set
  6043. * to the vars. The ext_phy_line_speed is needed to check if the
  6044. * speed is different between the internal phy and external phy.
  6045. * This case may be result of intermediate link speed change.
  6046. */
  6047. if (active_external_phy > INT_PHY) {
  6048. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6049. /* Link speed is taken from the XGXS. AN and FC result from
  6050. * the external phy.
  6051. */
  6052. vars->link_status |= phy_vars[active_external_phy].link_status;
  6053. /* if active_external_phy is first PHY and link is up - disable
  6054. * disable TX on second external PHY
  6055. */
  6056. if (active_external_phy == EXT_PHY1) {
  6057. if (params->phy[EXT_PHY2].phy_specific_func) {
  6058. DP(NETIF_MSG_LINK,
  6059. "Disabling TX on EXT_PHY2\n");
  6060. params->phy[EXT_PHY2].phy_specific_func(
  6061. &params->phy[EXT_PHY2],
  6062. params, DISABLE_TX);
  6063. }
  6064. }
  6065. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6066. vars->duplex = phy_vars[active_external_phy].duplex;
  6067. if (params->phy[active_external_phy].supported &
  6068. SUPPORTED_FIBRE)
  6069. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6070. else
  6071. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6072. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6073. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6074. active_external_phy);
  6075. }
  6076. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6077. phy_index++) {
  6078. if (params->phy[phy_index].flags &
  6079. FLAGS_REARM_LATCH_SIGNAL) {
  6080. bnx2x_rearm_latch_signal(bp, port,
  6081. phy_index ==
  6082. active_external_phy);
  6083. break;
  6084. }
  6085. }
  6086. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6087. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6088. vars->link_status, ext_phy_line_speed);
  6089. /* Upon link speed change set the NIG into drain mode. Comes to
  6090. * deals with possible FIFO glitch due to clk change when speed
  6091. * is decreased without link down indicator
  6092. */
  6093. if (vars->phy_link_up) {
  6094. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6095. (ext_phy_line_speed != vars->line_speed)) {
  6096. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6097. " different than the external"
  6098. " link speed %d\n", vars->line_speed,
  6099. ext_phy_line_speed);
  6100. vars->phy_link_up = 0;
  6101. } else if (prev_line_speed != vars->line_speed) {
  6102. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6103. 0);
  6104. usleep_range(1000, 2000);
  6105. }
  6106. }
  6107. /* Anything 10 and over uses the bmac */
  6108. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6109. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6110. /* In case external phy link is up, and internal link is down
  6111. * (not initialized yet probably after link initialization, it
  6112. * needs to be initialized.
  6113. * Note that after link down-up as result of cable plug, the xgxs
  6114. * link would probably become up again without the need
  6115. * initialize it
  6116. */
  6117. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6118. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6119. " init_preceding = %d\n", ext_phy_link_up,
  6120. vars->phy_link_up,
  6121. params->phy[EXT_PHY1].flags &
  6122. FLAGS_INIT_XGXS_FIRST);
  6123. if (!(params->phy[EXT_PHY1].flags &
  6124. FLAGS_INIT_XGXS_FIRST)
  6125. && ext_phy_link_up && !vars->phy_link_up) {
  6126. vars->line_speed = ext_phy_line_speed;
  6127. if (vars->line_speed < SPEED_1000)
  6128. vars->phy_flags |= PHY_SGMII_FLAG;
  6129. else
  6130. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6131. if (params->phy[INT_PHY].config_init)
  6132. params->phy[INT_PHY].config_init(
  6133. &params->phy[INT_PHY], params,
  6134. vars);
  6135. }
  6136. }
  6137. /* Link is up only if both local phy and external phy (in case of
  6138. * non-direct board) are up and no fault detected on active PHY.
  6139. */
  6140. vars->link_up = (vars->phy_link_up &&
  6141. (ext_phy_link_up ||
  6142. SINGLE_MEDIA_DIRECT(params)) &&
  6143. (phy_vars[active_external_phy].fault_detected == 0));
  6144. /* Update the PFC configuration in case it was changed */
  6145. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6146. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6147. else
  6148. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6149. if (vars->link_up)
  6150. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6151. else
  6152. rc = bnx2x_update_link_down(params, vars);
  6153. /* Update MCP link status was changed */
  6154. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6155. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6156. return rc;
  6157. }
  6158. /*****************************************************************************/
  6159. /* External Phy section */
  6160. /*****************************************************************************/
  6161. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6162. {
  6163. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6164. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6165. usleep_range(1000, 2000);
  6166. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6167. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6168. }
  6169. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6170. u32 spirom_ver, u32 ver_addr)
  6171. {
  6172. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6173. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6174. if (ver_addr)
  6175. REG_WR(bp, ver_addr, spirom_ver);
  6176. }
  6177. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6178. struct bnx2x_phy *phy,
  6179. u8 port)
  6180. {
  6181. u16 fw_ver1, fw_ver2;
  6182. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6183. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6184. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6185. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6186. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6187. phy->ver_addr);
  6188. }
  6189. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6190. struct bnx2x_phy *phy,
  6191. struct link_vars *vars)
  6192. {
  6193. u16 val;
  6194. bnx2x_cl45_read(bp, phy,
  6195. MDIO_AN_DEVAD,
  6196. MDIO_AN_REG_STATUS, &val);
  6197. bnx2x_cl45_read(bp, phy,
  6198. MDIO_AN_DEVAD,
  6199. MDIO_AN_REG_STATUS, &val);
  6200. if (val & (1<<5))
  6201. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6202. if ((val & (1<<0)) == 0)
  6203. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6204. }
  6205. /******************************************************************/
  6206. /* common BCM8073/BCM8727 PHY SECTION */
  6207. /******************************************************************/
  6208. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6209. struct link_params *params,
  6210. struct link_vars *vars)
  6211. {
  6212. struct bnx2x *bp = params->bp;
  6213. if (phy->req_line_speed == SPEED_10 ||
  6214. phy->req_line_speed == SPEED_100) {
  6215. vars->flow_ctrl = phy->req_flow_ctrl;
  6216. return;
  6217. }
  6218. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6219. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6220. u16 pause_result;
  6221. u16 ld_pause; /* local */
  6222. u16 lp_pause; /* link partner */
  6223. bnx2x_cl45_read(bp, phy,
  6224. MDIO_AN_DEVAD,
  6225. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6226. bnx2x_cl45_read(bp, phy,
  6227. MDIO_AN_DEVAD,
  6228. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6229. pause_result = (ld_pause &
  6230. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6231. pause_result |= (lp_pause &
  6232. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6233. bnx2x_pause_resolve(vars, pause_result);
  6234. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6235. pause_result);
  6236. }
  6237. }
  6238. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6239. struct bnx2x_phy *phy,
  6240. u8 port)
  6241. {
  6242. u32 count = 0;
  6243. u16 fw_ver1, fw_msgout;
  6244. int rc = 0;
  6245. /* Boot port from external ROM */
  6246. /* EDC grst */
  6247. bnx2x_cl45_write(bp, phy,
  6248. MDIO_PMA_DEVAD,
  6249. MDIO_PMA_REG_GEN_CTRL,
  6250. 0x0001);
  6251. /* Ucode reboot and rst */
  6252. bnx2x_cl45_write(bp, phy,
  6253. MDIO_PMA_DEVAD,
  6254. MDIO_PMA_REG_GEN_CTRL,
  6255. 0x008c);
  6256. bnx2x_cl45_write(bp, phy,
  6257. MDIO_PMA_DEVAD,
  6258. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6259. /* Reset internal microprocessor */
  6260. bnx2x_cl45_write(bp, phy,
  6261. MDIO_PMA_DEVAD,
  6262. MDIO_PMA_REG_GEN_CTRL,
  6263. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6264. /* Release srst bit */
  6265. bnx2x_cl45_write(bp, phy,
  6266. MDIO_PMA_DEVAD,
  6267. MDIO_PMA_REG_GEN_CTRL,
  6268. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6269. /* Delay 100ms per the PHY specifications */
  6270. msleep(100);
  6271. /* 8073 sometimes taking longer to download */
  6272. do {
  6273. count++;
  6274. if (count > 300) {
  6275. DP(NETIF_MSG_LINK,
  6276. "bnx2x_8073_8727_external_rom_boot port %x:"
  6277. "Download failed. fw version = 0x%x\n",
  6278. port, fw_ver1);
  6279. rc = -EINVAL;
  6280. break;
  6281. }
  6282. bnx2x_cl45_read(bp, phy,
  6283. MDIO_PMA_DEVAD,
  6284. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6285. bnx2x_cl45_read(bp, phy,
  6286. MDIO_PMA_DEVAD,
  6287. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6288. usleep_range(1000, 2000);
  6289. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6290. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6291. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6292. /* Clear ser_boot_ctl bit */
  6293. bnx2x_cl45_write(bp, phy,
  6294. MDIO_PMA_DEVAD,
  6295. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6296. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6297. DP(NETIF_MSG_LINK,
  6298. "bnx2x_8073_8727_external_rom_boot port %x:"
  6299. "Download complete. fw version = 0x%x\n",
  6300. port, fw_ver1);
  6301. return rc;
  6302. }
  6303. /******************************************************************/
  6304. /* BCM8073 PHY SECTION */
  6305. /******************************************************************/
  6306. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6307. {
  6308. /* This is only required for 8073A1, version 102 only */
  6309. u16 val;
  6310. /* Read 8073 HW revision*/
  6311. bnx2x_cl45_read(bp, phy,
  6312. MDIO_PMA_DEVAD,
  6313. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6314. if (val != 1) {
  6315. /* No need to workaround in 8073 A1 */
  6316. return 0;
  6317. }
  6318. bnx2x_cl45_read(bp, phy,
  6319. MDIO_PMA_DEVAD,
  6320. MDIO_PMA_REG_ROM_VER2, &val);
  6321. /* SNR should be applied only for version 0x102 */
  6322. if (val != 0x102)
  6323. return 0;
  6324. return 1;
  6325. }
  6326. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6327. {
  6328. u16 val, cnt, cnt1 ;
  6329. bnx2x_cl45_read(bp, phy,
  6330. MDIO_PMA_DEVAD,
  6331. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6332. if (val > 0) {
  6333. /* No need to workaround in 8073 A1 */
  6334. return 0;
  6335. }
  6336. /* XAUI workaround in 8073 A0: */
  6337. /* After loading the boot ROM and restarting Autoneg, poll
  6338. * Dev1, Reg $C820:
  6339. */
  6340. for (cnt = 0; cnt < 1000; cnt++) {
  6341. bnx2x_cl45_read(bp, phy,
  6342. MDIO_PMA_DEVAD,
  6343. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6344. &val);
  6345. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6346. * system initialization (XAUI work-around not required, as
  6347. * these bits indicate 2.5G or 1G link up).
  6348. */
  6349. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6350. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6351. return 0;
  6352. } else if (!(val & (1<<15))) {
  6353. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6354. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6355. * MSB (bit15) goes to 1 (indicating that the XAUI
  6356. * workaround has completed), then continue on with
  6357. * system initialization.
  6358. */
  6359. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6360. bnx2x_cl45_read(bp, phy,
  6361. MDIO_PMA_DEVAD,
  6362. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6363. if (val & (1<<15)) {
  6364. DP(NETIF_MSG_LINK,
  6365. "XAUI workaround has completed\n");
  6366. return 0;
  6367. }
  6368. usleep_range(3000, 6000);
  6369. }
  6370. break;
  6371. }
  6372. usleep_range(3000, 6000);
  6373. }
  6374. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6375. return -EINVAL;
  6376. }
  6377. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6378. {
  6379. /* Force KR or KX */
  6380. bnx2x_cl45_write(bp, phy,
  6381. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6382. bnx2x_cl45_write(bp, phy,
  6383. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6384. bnx2x_cl45_write(bp, phy,
  6385. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6386. bnx2x_cl45_write(bp, phy,
  6387. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6388. }
  6389. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6390. struct bnx2x_phy *phy,
  6391. struct link_vars *vars)
  6392. {
  6393. u16 cl37_val;
  6394. struct bnx2x *bp = params->bp;
  6395. bnx2x_cl45_read(bp, phy,
  6396. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6397. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6398. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6399. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6400. if ((vars->ieee_fc &
  6401. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6402. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6403. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6404. }
  6405. if ((vars->ieee_fc &
  6406. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6407. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6408. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6409. }
  6410. if ((vars->ieee_fc &
  6411. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6412. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6413. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6414. }
  6415. DP(NETIF_MSG_LINK,
  6416. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6417. bnx2x_cl45_write(bp, phy,
  6418. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6419. msleep(500);
  6420. }
  6421. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6422. struct link_params *params,
  6423. u32 action)
  6424. {
  6425. struct bnx2x *bp = params->bp;
  6426. switch (action) {
  6427. case PHY_INIT:
  6428. /* Enable LASI */
  6429. bnx2x_cl45_write(bp, phy,
  6430. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6431. bnx2x_cl45_write(bp, phy,
  6432. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6433. break;
  6434. }
  6435. }
  6436. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6437. struct link_params *params,
  6438. struct link_vars *vars)
  6439. {
  6440. struct bnx2x *bp = params->bp;
  6441. u16 val = 0, tmp1;
  6442. u8 gpio_port;
  6443. DP(NETIF_MSG_LINK, "Init 8073\n");
  6444. if (CHIP_IS_E2(bp))
  6445. gpio_port = BP_PATH(bp);
  6446. else
  6447. gpio_port = params->port;
  6448. /* Restore normal power mode*/
  6449. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6450. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6451. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6452. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6453. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6454. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6455. bnx2x_cl45_read(bp, phy,
  6456. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6457. bnx2x_cl45_read(bp, phy,
  6458. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6459. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6460. /* Swap polarity if required - Must be done only in non-1G mode */
  6461. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6462. /* Configure the 8073 to swap _P and _N of the KR lines */
  6463. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6464. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6465. bnx2x_cl45_read(bp, phy,
  6466. MDIO_PMA_DEVAD,
  6467. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6468. bnx2x_cl45_write(bp, phy,
  6469. MDIO_PMA_DEVAD,
  6470. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6471. (val | (3<<9)));
  6472. }
  6473. /* Enable CL37 BAM */
  6474. if (REG_RD(bp, params->shmem_base +
  6475. offsetof(struct shmem_region, dev_info.
  6476. port_hw_config[params->port].default_cfg)) &
  6477. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6478. bnx2x_cl45_read(bp, phy,
  6479. MDIO_AN_DEVAD,
  6480. MDIO_AN_REG_8073_BAM, &val);
  6481. bnx2x_cl45_write(bp, phy,
  6482. MDIO_AN_DEVAD,
  6483. MDIO_AN_REG_8073_BAM, val | 1);
  6484. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6485. }
  6486. if (params->loopback_mode == LOOPBACK_EXT) {
  6487. bnx2x_807x_force_10G(bp, phy);
  6488. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6489. return 0;
  6490. } else {
  6491. bnx2x_cl45_write(bp, phy,
  6492. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6493. }
  6494. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6495. if (phy->req_line_speed == SPEED_10000) {
  6496. val = (1<<7);
  6497. } else if (phy->req_line_speed == SPEED_2500) {
  6498. val = (1<<5);
  6499. /* Note that 2.5G works only when used with 1G
  6500. * advertisement
  6501. */
  6502. } else
  6503. val = (1<<5);
  6504. } else {
  6505. val = 0;
  6506. if (phy->speed_cap_mask &
  6507. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6508. val |= (1<<7);
  6509. /* Note that 2.5G works only when used with 1G advertisement */
  6510. if (phy->speed_cap_mask &
  6511. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6512. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6513. val |= (1<<5);
  6514. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6515. }
  6516. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6517. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6518. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6519. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6520. (phy->req_line_speed == SPEED_2500)) {
  6521. u16 phy_ver;
  6522. /* Allow 2.5G for A1 and above */
  6523. bnx2x_cl45_read(bp, phy,
  6524. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6525. &phy_ver);
  6526. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6527. if (phy_ver > 0)
  6528. tmp1 |= 1;
  6529. else
  6530. tmp1 &= 0xfffe;
  6531. } else {
  6532. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6533. tmp1 &= 0xfffe;
  6534. }
  6535. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6536. /* Add support for CL37 (passive mode) II */
  6537. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6538. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6539. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6540. 0x20 : 0x40)));
  6541. /* Add support for CL37 (passive mode) III */
  6542. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6543. /* The SNR will improve about 2db by changing BW and FEE main
  6544. * tap. Rest commands are executed after link is up
  6545. * Change FFE main cursor to 5 in EDC register
  6546. */
  6547. if (bnx2x_8073_is_snr_needed(bp, phy))
  6548. bnx2x_cl45_write(bp, phy,
  6549. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6550. 0xFB0C);
  6551. /* Enable FEC (Forware Error Correction) Request in the AN */
  6552. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6553. tmp1 |= (1<<15);
  6554. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6555. bnx2x_ext_phy_set_pause(params, phy, vars);
  6556. /* Restart autoneg */
  6557. msleep(500);
  6558. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6559. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6560. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6561. return 0;
  6562. }
  6563. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6564. struct link_params *params,
  6565. struct link_vars *vars)
  6566. {
  6567. struct bnx2x *bp = params->bp;
  6568. u8 link_up = 0;
  6569. u16 val1, val2;
  6570. u16 link_status = 0;
  6571. u16 an1000_status = 0;
  6572. bnx2x_cl45_read(bp, phy,
  6573. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6574. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6575. /* Clear the interrupt LASI status register */
  6576. bnx2x_cl45_read(bp, phy,
  6577. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6578. bnx2x_cl45_read(bp, phy,
  6579. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6580. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6581. /* Clear MSG-OUT */
  6582. bnx2x_cl45_read(bp, phy,
  6583. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6584. /* Check the LASI */
  6585. bnx2x_cl45_read(bp, phy,
  6586. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6587. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6588. /* Check the link status */
  6589. bnx2x_cl45_read(bp, phy,
  6590. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6591. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6592. bnx2x_cl45_read(bp, phy,
  6593. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6594. bnx2x_cl45_read(bp, phy,
  6595. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6596. link_up = ((val1 & 4) == 4);
  6597. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6598. if (link_up &&
  6599. ((phy->req_line_speed != SPEED_10000))) {
  6600. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6601. return 0;
  6602. }
  6603. bnx2x_cl45_read(bp, phy,
  6604. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6605. bnx2x_cl45_read(bp, phy,
  6606. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6607. /* Check the link status on 1.1.2 */
  6608. bnx2x_cl45_read(bp, phy,
  6609. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6610. bnx2x_cl45_read(bp, phy,
  6611. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6612. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6613. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6614. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6615. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6616. /* The SNR will improve about 2dbby changing the BW and FEE main
  6617. * tap. The 1st write to change FFE main tap is set before
  6618. * restart AN. Change PLL Bandwidth in EDC register
  6619. */
  6620. bnx2x_cl45_write(bp, phy,
  6621. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6622. 0x26BC);
  6623. /* Change CDR Bandwidth in EDC register */
  6624. bnx2x_cl45_write(bp, phy,
  6625. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6626. 0x0333);
  6627. }
  6628. bnx2x_cl45_read(bp, phy,
  6629. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6630. &link_status);
  6631. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6632. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6633. link_up = 1;
  6634. vars->line_speed = SPEED_10000;
  6635. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6636. params->port);
  6637. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6638. link_up = 1;
  6639. vars->line_speed = SPEED_2500;
  6640. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6641. params->port);
  6642. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6643. link_up = 1;
  6644. vars->line_speed = SPEED_1000;
  6645. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6646. params->port);
  6647. } else {
  6648. link_up = 0;
  6649. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6650. params->port);
  6651. }
  6652. if (link_up) {
  6653. /* Swap polarity if required */
  6654. if (params->lane_config &
  6655. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6656. /* Configure the 8073 to swap P and N of the KR lines */
  6657. bnx2x_cl45_read(bp, phy,
  6658. MDIO_XS_DEVAD,
  6659. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6660. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6661. * when it`s in 10G mode.
  6662. */
  6663. if (vars->line_speed == SPEED_1000) {
  6664. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6665. "the 8073\n");
  6666. val1 |= (1<<3);
  6667. } else
  6668. val1 &= ~(1<<3);
  6669. bnx2x_cl45_write(bp, phy,
  6670. MDIO_XS_DEVAD,
  6671. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6672. val1);
  6673. }
  6674. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6675. bnx2x_8073_resolve_fc(phy, params, vars);
  6676. vars->duplex = DUPLEX_FULL;
  6677. }
  6678. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6679. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6680. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6681. if (val1 & (1<<5))
  6682. vars->link_status |=
  6683. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6684. if (val1 & (1<<7))
  6685. vars->link_status |=
  6686. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6687. }
  6688. return link_up;
  6689. }
  6690. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6691. struct link_params *params)
  6692. {
  6693. struct bnx2x *bp = params->bp;
  6694. u8 gpio_port;
  6695. if (CHIP_IS_E2(bp))
  6696. gpio_port = BP_PATH(bp);
  6697. else
  6698. gpio_port = params->port;
  6699. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6700. gpio_port);
  6701. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6702. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6703. gpio_port);
  6704. }
  6705. /******************************************************************/
  6706. /* BCM8705 PHY SECTION */
  6707. /******************************************************************/
  6708. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6709. struct link_params *params,
  6710. struct link_vars *vars)
  6711. {
  6712. struct bnx2x *bp = params->bp;
  6713. DP(NETIF_MSG_LINK, "init 8705\n");
  6714. /* Restore normal power mode*/
  6715. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6716. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6717. /* HW reset */
  6718. bnx2x_ext_phy_hw_reset(bp, params->port);
  6719. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6720. bnx2x_wait_reset_complete(bp, phy, params);
  6721. bnx2x_cl45_write(bp, phy,
  6722. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6723. bnx2x_cl45_write(bp, phy,
  6724. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6725. bnx2x_cl45_write(bp, phy,
  6726. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6727. bnx2x_cl45_write(bp, phy,
  6728. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6729. /* BCM8705 doesn't have microcode, hence the 0 */
  6730. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6731. return 0;
  6732. }
  6733. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6734. struct link_params *params,
  6735. struct link_vars *vars)
  6736. {
  6737. u8 link_up = 0;
  6738. u16 val1, rx_sd;
  6739. struct bnx2x *bp = params->bp;
  6740. DP(NETIF_MSG_LINK, "read status 8705\n");
  6741. bnx2x_cl45_read(bp, phy,
  6742. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6743. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6744. bnx2x_cl45_read(bp, phy,
  6745. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6746. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6747. bnx2x_cl45_read(bp, phy,
  6748. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6749. bnx2x_cl45_read(bp, phy,
  6750. MDIO_PMA_DEVAD, 0xc809, &val1);
  6751. bnx2x_cl45_read(bp, phy,
  6752. MDIO_PMA_DEVAD, 0xc809, &val1);
  6753. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6754. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6755. if (link_up) {
  6756. vars->line_speed = SPEED_10000;
  6757. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6758. }
  6759. return link_up;
  6760. }
  6761. /******************************************************************/
  6762. /* SFP+ module Section */
  6763. /******************************************************************/
  6764. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6765. struct bnx2x_phy *phy,
  6766. u8 pmd_dis)
  6767. {
  6768. struct bnx2x *bp = params->bp;
  6769. /* Disable transmitter only for bootcodes which can enable it afterwards
  6770. * (for D3 link)
  6771. */
  6772. if (pmd_dis) {
  6773. if (params->feature_config_flags &
  6774. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6775. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6776. else {
  6777. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6778. return;
  6779. }
  6780. } else
  6781. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6782. bnx2x_cl45_write(bp, phy,
  6783. MDIO_PMA_DEVAD,
  6784. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6785. }
  6786. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6787. {
  6788. u8 gpio_port;
  6789. u32 swap_val, swap_override;
  6790. struct bnx2x *bp = params->bp;
  6791. if (CHIP_IS_E2(bp))
  6792. gpio_port = BP_PATH(bp);
  6793. else
  6794. gpio_port = params->port;
  6795. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6796. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6797. return gpio_port ^ (swap_val && swap_override);
  6798. }
  6799. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6800. struct bnx2x_phy *phy,
  6801. u8 tx_en)
  6802. {
  6803. u16 val;
  6804. u8 port = params->port;
  6805. struct bnx2x *bp = params->bp;
  6806. u32 tx_en_mode;
  6807. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6808. tx_en_mode = REG_RD(bp, params->shmem_base +
  6809. offsetof(struct shmem_region,
  6810. dev_info.port_hw_config[port].sfp_ctrl)) &
  6811. PORT_HW_CFG_TX_LASER_MASK;
  6812. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6813. "mode = %x\n", tx_en, port, tx_en_mode);
  6814. switch (tx_en_mode) {
  6815. case PORT_HW_CFG_TX_LASER_MDIO:
  6816. bnx2x_cl45_read(bp, phy,
  6817. MDIO_PMA_DEVAD,
  6818. MDIO_PMA_REG_PHY_IDENTIFIER,
  6819. &val);
  6820. if (tx_en)
  6821. val &= ~(1<<15);
  6822. else
  6823. val |= (1<<15);
  6824. bnx2x_cl45_write(bp, phy,
  6825. MDIO_PMA_DEVAD,
  6826. MDIO_PMA_REG_PHY_IDENTIFIER,
  6827. val);
  6828. break;
  6829. case PORT_HW_CFG_TX_LASER_GPIO0:
  6830. case PORT_HW_CFG_TX_LASER_GPIO1:
  6831. case PORT_HW_CFG_TX_LASER_GPIO2:
  6832. case PORT_HW_CFG_TX_LASER_GPIO3:
  6833. {
  6834. u16 gpio_pin;
  6835. u8 gpio_port, gpio_mode;
  6836. if (tx_en)
  6837. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6838. else
  6839. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6840. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6841. gpio_port = bnx2x_get_gpio_port(params);
  6842. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6843. break;
  6844. }
  6845. default:
  6846. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6847. break;
  6848. }
  6849. }
  6850. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6851. struct bnx2x_phy *phy,
  6852. u8 tx_en)
  6853. {
  6854. struct bnx2x *bp = params->bp;
  6855. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6856. if (CHIP_IS_E3(bp))
  6857. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6858. else
  6859. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6860. }
  6861. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6862. struct link_params *params,
  6863. u8 dev_addr, u16 addr, u8 byte_cnt,
  6864. u8 *o_buf, u8 is_init)
  6865. {
  6866. struct bnx2x *bp = params->bp;
  6867. u16 val = 0;
  6868. u16 i;
  6869. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6870. DP(NETIF_MSG_LINK,
  6871. "Reading from eeprom is limited to 0xf\n");
  6872. return -EINVAL;
  6873. }
  6874. /* Set the read command byte count */
  6875. bnx2x_cl45_write(bp, phy,
  6876. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6877. (byte_cnt | (dev_addr << 8)));
  6878. /* Set the read command address */
  6879. bnx2x_cl45_write(bp, phy,
  6880. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6881. addr);
  6882. /* Activate read command */
  6883. bnx2x_cl45_write(bp, phy,
  6884. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6885. 0x2c0f);
  6886. /* Wait up to 500us for command complete status */
  6887. for (i = 0; i < 100; i++) {
  6888. bnx2x_cl45_read(bp, phy,
  6889. MDIO_PMA_DEVAD,
  6890. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6891. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6892. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6893. break;
  6894. udelay(5);
  6895. }
  6896. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6897. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6898. DP(NETIF_MSG_LINK,
  6899. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6900. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6901. return -EINVAL;
  6902. }
  6903. /* Read the buffer */
  6904. for (i = 0; i < byte_cnt; i++) {
  6905. bnx2x_cl45_read(bp, phy,
  6906. MDIO_PMA_DEVAD,
  6907. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6908. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6909. }
  6910. for (i = 0; i < 100; i++) {
  6911. bnx2x_cl45_read(bp, phy,
  6912. MDIO_PMA_DEVAD,
  6913. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6914. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6915. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6916. return 0;
  6917. usleep_range(1000, 2000);
  6918. }
  6919. return -EINVAL;
  6920. }
  6921. static void bnx2x_warpcore_power_module(struct link_params *params,
  6922. u8 power)
  6923. {
  6924. u32 pin_cfg;
  6925. struct bnx2x *bp = params->bp;
  6926. pin_cfg = (REG_RD(bp, params->shmem_base +
  6927. offsetof(struct shmem_region,
  6928. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6929. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6930. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6931. if (pin_cfg == PIN_CFG_NA)
  6932. return;
  6933. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6934. power, pin_cfg);
  6935. /* Low ==> corresponding SFP+ module is powered
  6936. * high ==> the SFP+ module is powered down
  6937. */
  6938. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6939. }
  6940. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6941. struct link_params *params,
  6942. u8 dev_addr,
  6943. u16 addr, u8 byte_cnt,
  6944. u8 *o_buf, u8 is_init)
  6945. {
  6946. int rc = 0;
  6947. u8 i, j = 0, cnt = 0;
  6948. u32 data_array[4];
  6949. u16 addr32;
  6950. struct bnx2x *bp = params->bp;
  6951. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6952. DP(NETIF_MSG_LINK,
  6953. "Reading from eeprom is limited to 16 bytes\n");
  6954. return -EINVAL;
  6955. }
  6956. /* 4 byte aligned address */
  6957. addr32 = addr & (~0x3);
  6958. do {
  6959. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6960. bnx2x_warpcore_power_module(params, 0);
  6961. /* Note that 100us are not enough here */
  6962. usleep_range(1000, 2000);
  6963. bnx2x_warpcore_power_module(params, 1);
  6964. }
  6965. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  6966. data_array);
  6967. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6968. if (rc == 0) {
  6969. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6970. o_buf[j] = *((u8 *)data_array + i);
  6971. j++;
  6972. }
  6973. }
  6974. return rc;
  6975. }
  6976. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6977. struct link_params *params,
  6978. u8 dev_addr, u16 addr, u8 byte_cnt,
  6979. u8 *o_buf, u8 is_init)
  6980. {
  6981. struct bnx2x *bp = params->bp;
  6982. u16 val, i;
  6983. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6984. DP(NETIF_MSG_LINK,
  6985. "Reading from eeprom is limited to 0xf\n");
  6986. return -EINVAL;
  6987. }
  6988. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6989. * to 100Khz since some DACs(direct attached cables) do
  6990. * not work at 400Khz.
  6991. */
  6992. bnx2x_cl45_write(bp, phy,
  6993. MDIO_PMA_DEVAD,
  6994. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6995. ((dev_addr << 8) | 1));
  6996. /* Need to read from 1.8000 to clear it */
  6997. bnx2x_cl45_read(bp, phy,
  6998. MDIO_PMA_DEVAD,
  6999. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7000. &val);
  7001. /* Set the read command byte count */
  7002. bnx2x_cl45_write(bp, phy,
  7003. MDIO_PMA_DEVAD,
  7004. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  7005. ((byte_cnt < 2) ? 2 : byte_cnt));
  7006. /* Set the read command address */
  7007. bnx2x_cl45_write(bp, phy,
  7008. MDIO_PMA_DEVAD,
  7009. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  7010. addr);
  7011. /* Set the destination address */
  7012. bnx2x_cl45_write(bp, phy,
  7013. MDIO_PMA_DEVAD,
  7014. 0x8004,
  7015. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  7016. /* Activate read command */
  7017. bnx2x_cl45_write(bp, phy,
  7018. MDIO_PMA_DEVAD,
  7019. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  7020. 0x8002);
  7021. /* Wait appropriate time for two-wire command to finish before
  7022. * polling the status register
  7023. */
  7024. usleep_range(1000, 2000);
  7025. /* Wait up to 500us for command complete status */
  7026. for (i = 0; i < 100; i++) {
  7027. bnx2x_cl45_read(bp, phy,
  7028. MDIO_PMA_DEVAD,
  7029. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7030. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7031. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7032. break;
  7033. udelay(5);
  7034. }
  7035. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7036. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7037. DP(NETIF_MSG_LINK,
  7038. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7039. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7040. return -EFAULT;
  7041. }
  7042. /* Read the buffer */
  7043. for (i = 0; i < byte_cnt; i++) {
  7044. bnx2x_cl45_read(bp, phy,
  7045. MDIO_PMA_DEVAD,
  7046. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7047. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7048. }
  7049. for (i = 0; i < 100; i++) {
  7050. bnx2x_cl45_read(bp, phy,
  7051. MDIO_PMA_DEVAD,
  7052. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7053. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7054. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7055. return 0;
  7056. usleep_range(1000, 2000);
  7057. }
  7058. return -EINVAL;
  7059. }
  7060. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7061. struct link_params *params, u8 dev_addr,
  7062. u16 addr, u16 byte_cnt, u8 *o_buf)
  7063. {
  7064. int rc = 0;
  7065. struct bnx2x *bp = params->bp;
  7066. u8 xfer_size;
  7067. u8 *user_data = o_buf;
  7068. read_sfp_module_eeprom_func_p read_func;
  7069. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7070. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7071. return -EINVAL;
  7072. }
  7073. switch (phy->type) {
  7074. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7075. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7076. break;
  7077. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7078. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7079. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7080. break;
  7081. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7082. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7083. break;
  7084. default:
  7085. return -EOPNOTSUPP;
  7086. }
  7087. while (!rc && (byte_cnt > 0)) {
  7088. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7089. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7090. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7091. user_data, 0);
  7092. byte_cnt -= xfer_size;
  7093. user_data += xfer_size;
  7094. addr += xfer_size;
  7095. }
  7096. return rc;
  7097. }
  7098. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7099. struct link_params *params,
  7100. u16 *edc_mode)
  7101. {
  7102. struct bnx2x *bp = params->bp;
  7103. u32 sync_offset = 0, phy_idx, media_types;
  7104. u8 gport, val[2], check_limiting_mode = 0;
  7105. *edc_mode = EDC_MODE_LIMITING;
  7106. phy->media_type = ETH_PHY_UNSPECIFIED;
  7107. /* First check for copper cable */
  7108. if (bnx2x_read_sfp_module_eeprom(phy,
  7109. params,
  7110. I2C_DEV_ADDR_A0,
  7111. SFP_EEPROM_CON_TYPE_ADDR,
  7112. 2,
  7113. (u8 *)val) != 0) {
  7114. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7115. return -EINVAL;
  7116. }
  7117. switch (val[0]) {
  7118. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7119. {
  7120. u8 copper_module_type;
  7121. phy->media_type = ETH_PHY_DA_TWINAX;
  7122. /* Check if its active cable (includes SFP+ module)
  7123. * of passive cable
  7124. */
  7125. if (bnx2x_read_sfp_module_eeprom(phy,
  7126. params,
  7127. I2C_DEV_ADDR_A0,
  7128. SFP_EEPROM_FC_TX_TECH_ADDR,
  7129. 1,
  7130. &copper_module_type) != 0) {
  7131. DP(NETIF_MSG_LINK,
  7132. "Failed to read copper-cable-type"
  7133. " from SFP+ EEPROM\n");
  7134. return -EINVAL;
  7135. }
  7136. if (copper_module_type &
  7137. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7138. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7139. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7140. *edc_mode = EDC_MODE_ACTIVE_DAC;
  7141. else
  7142. check_limiting_mode = 1;
  7143. } else if (copper_module_type &
  7144. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7145. DP(NETIF_MSG_LINK,
  7146. "Passive Copper cable detected\n");
  7147. *edc_mode =
  7148. EDC_MODE_PASSIVE_DAC;
  7149. } else {
  7150. DP(NETIF_MSG_LINK,
  7151. "Unknown copper-cable-type 0x%x !!!\n",
  7152. copper_module_type);
  7153. return -EINVAL;
  7154. }
  7155. break;
  7156. }
  7157. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7158. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7159. check_limiting_mode = 1;
  7160. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7161. SFP_EEPROM_COMP_CODE_LR_MASK |
  7162. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7163. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7164. gport = params->port;
  7165. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7166. if (phy->req_line_speed != SPEED_1000) {
  7167. phy->req_line_speed = SPEED_1000;
  7168. if (!CHIP_IS_E1x(bp)) {
  7169. gport = BP_PATH(bp) +
  7170. (params->port << 1);
  7171. }
  7172. netdev_err(bp->dev,
  7173. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7174. gport);
  7175. }
  7176. } else {
  7177. int idx, cfg_idx = 0;
  7178. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7179. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7180. if (params->phy[idx].type == phy->type) {
  7181. cfg_idx = LINK_CONFIG_IDX(idx);
  7182. break;
  7183. }
  7184. }
  7185. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7186. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7187. }
  7188. break;
  7189. default:
  7190. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7191. val[0]);
  7192. return -EINVAL;
  7193. }
  7194. sync_offset = params->shmem_base +
  7195. offsetof(struct shmem_region,
  7196. dev_info.port_hw_config[params->port].media_type);
  7197. media_types = REG_RD(bp, sync_offset);
  7198. /* Update media type for non-PMF sync */
  7199. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7200. if (&(params->phy[phy_idx]) == phy) {
  7201. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7202. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7203. media_types |= ((phy->media_type &
  7204. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7205. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7206. break;
  7207. }
  7208. }
  7209. REG_WR(bp, sync_offset, media_types);
  7210. if (check_limiting_mode) {
  7211. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7212. if (bnx2x_read_sfp_module_eeprom(phy,
  7213. params,
  7214. I2C_DEV_ADDR_A0,
  7215. SFP_EEPROM_OPTIONS_ADDR,
  7216. SFP_EEPROM_OPTIONS_SIZE,
  7217. options) != 0) {
  7218. DP(NETIF_MSG_LINK,
  7219. "Failed to read Option field from module EEPROM\n");
  7220. return -EINVAL;
  7221. }
  7222. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7223. *edc_mode = EDC_MODE_LINEAR;
  7224. else
  7225. *edc_mode = EDC_MODE_LIMITING;
  7226. }
  7227. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7228. return 0;
  7229. }
  7230. /* This function read the relevant field from the module (SFP+), and verify it
  7231. * is compliant with this board
  7232. */
  7233. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7234. struct link_params *params)
  7235. {
  7236. struct bnx2x *bp = params->bp;
  7237. u32 val, cmd;
  7238. u32 fw_resp, fw_cmd_param;
  7239. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7240. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7241. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7242. val = REG_RD(bp, params->shmem_base +
  7243. offsetof(struct shmem_region, dev_info.
  7244. port_feature_config[params->port].config));
  7245. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7246. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7247. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7248. return 0;
  7249. }
  7250. if (params->feature_config_flags &
  7251. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7252. /* Use specific phy request */
  7253. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7254. } else if (params->feature_config_flags &
  7255. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7256. /* Use first phy request only in case of non-dual media*/
  7257. if (DUAL_MEDIA(params)) {
  7258. DP(NETIF_MSG_LINK,
  7259. "FW does not support OPT MDL verification\n");
  7260. return -EINVAL;
  7261. }
  7262. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7263. } else {
  7264. /* No support in OPT MDL detection */
  7265. DP(NETIF_MSG_LINK,
  7266. "FW does not support OPT MDL verification\n");
  7267. return -EINVAL;
  7268. }
  7269. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7270. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7271. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7272. DP(NETIF_MSG_LINK, "Approved module\n");
  7273. return 0;
  7274. }
  7275. /* Format the warning message */
  7276. if (bnx2x_read_sfp_module_eeprom(phy,
  7277. params,
  7278. I2C_DEV_ADDR_A0,
  7279. SFP_EEPROM_VENDOR_NAME_ADDR,
  7280. SFP_EEPROM_VENDOR_NAME_SIZE,
  7281. (u8 *)vendor_name))
  7282. vendor_name[0] = '\0';
  7283. else
  7284. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7285. if (bnx2x_read_sfp_module_eeprom(phy,
  7286. params,
  7287. I2C_DEV_ADDR_A0,
  7288. SFP_EEPROM_PART_NO_ADDR,
  7289. SFP_EEPROM_PART_NO_SIZE,
  7290. (u8 *)vendor_pn))
  7291. vendor_pn[0] = '\0';
  7292. else
  7293. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7294. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7295. " Port %d from %s part number %s\n",
  7296. params->port, vendor_name, vendor_pn);
  7297. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7298. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7299. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7300. return -EINVAL;
  7301. }
  7302. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7303. struct link_params *params)
  7304. {
  7305. u8 val;
  7306. int rc;
  7307. struct bnx2x *bp = params->bp;
  7308. u16 timeout;
  7309. /* Initialization time after hot-plug may take up to 300ms for
  7310. * some phys type ( e.g. JDSU )
  7311. */
  7312. for (timeout = 0; timeout < 60; timeout++) {
  7313. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7314. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7315. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7316. 1);
  7317. else
  7318. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7319. I2C_DEV_ADDR_A0,
  7320. 1, 1, &val);
  7321. if (rc == 0) {
  7322. DP(NETIF_MSG_LINK,
  7323. "SFP+ module initialization took %d ms\n",
  7324. timeout * 5);
  7325. return 0;
  7326. }
  7327. usleep_range(5000, 10000);
  7328. }
  7329. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7330. 1, 1, &val);
  7331. return rc;
  7332. }
  7333. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7334. struct bnx2x_phy *phy,
  7335. u8 is_power_up) {
  7336. /* Make sure GPIOs are not using for LED mode */
  7337. u16 val;
  7338. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7339. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7340. * output
  7341. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7342. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7343. * where the 1st bit is the over-current(only input), and 2nd bit is
  7344. * for power( only output )
  7345. *
  7346. * In case of NOC feature is disabled and power is up, set GPIO control
  7347. * as input to enable listening of over-current indication
  7348. */
  7349. if (phy->flags & FLAGS_NOC)
  7350. return;
  7351. if (is_power_up)
  7352. val = (1<<4);
  7353. else
  7354. /* Set GPIO control to OUTPUT, and set the power bit
  7355. * to according to the is_power_up
  7356. */
  7357. val = (1<<1);
  7358. bnx2x_cl45_write(bp, phy,
  7359. MDIO_PMA_DEVAD,
  7360. MDIO_PMA_REG_8727_GPIO_CTRL,
  7361. val);
  7362. }
  7363. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7364. struct bnx2x_phy *phy,
  7365. u16 edc_mode)
  7366. {
  7367. u16 cur_limiting_mode;
  7368. bnx2x_cl45_read(bp, phy,
  7369. MDIO_PMA_DEVAD,
  7370. MDIO_PMA_REG_ROM_VER2,
  7371. &cur_limiting_mode);
  7372. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7373. cur_limiting_mode);
  7374. if (edc_mode == EDC_MODE_LIMITING) {
  7375. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7376. bnx2x_cl45_write(bp, phy,
  7377. MDIO_PMA_DEVAD,
  7378. MDIO_PMA_REG_ROM_VER2,
  7379. EDC_MODE_LIMITING);
  7380. } else { /* LRM mode ( default )*/
  7381. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7382. /* Changing to LRM mode takes quite few seconds. So do it only
  7383. * if current mode is limiting (default is LRM)
  7384. */
  7385. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7386. return 0;
  7387. bnx2x_cl45_write(bp, phy,
  7388. MDIO_PMA_DEVAD,
  7389. MDIO_PMA_REG_LRM_MODE,
  7390. 0);
  7391. bnx2x_cl45_write(bp, phy,
  7392. MDIO_PMA_DEVAD,
  7393. MDIO_PMA_REG_ROM_VER2,
  7394. 0x128);
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD,
  7397. MDIO_PMA_REG_MISC_CTRL0,
  7398. 0x4008);
  7399. bnx2x_cl45_write(bp, phy,
  7400. MDIO_PMA_DEVAD,
  7401. MDIO_PMA_REG_LRM_MODE,
  7402. 0xaaaa);
  7403. }
  7404. return 0;
  7405. }
  7406. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7407. struct bnx2x_phy *phy,
  7408. u16 edc_mode)
  7409. {
  7410. u16 phy_identifier;
  7411. u16 rom_ver2_val;
  7412. bnx2x_cl45_read(bp, phy,
  7413. MDIO_PMA_DEVAD,
  7414. MDIO_PMA_REG_PHY_IDENTIFIER,
  7415. &phy_identifier);
  7416. bnx2x_cl45_write(bp, phy,
  7417. MDIO_PMA_DEVAD,
  7418. MDIO_PMA_REG_PHY_IDENTIFIER,
  7419. (phy_identifier & ~(1<<9)));
  7420. bnx2x_cl45_read(bp, phy,
  7421. MDIO_PMA_DEVAD,
  7422. MDIO_PMA_REG_ROM_VER2,
  7423. &rom_ver2_val);
  7424. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7425. bnx2x_cl45_write(bp, phy,
  7426. MDIO_PMA_DEVAD,
  7427. MDIO_PMA_REG_ROM_VER2,
  7428. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7429. bnx2x_cl45_write(bp, phy,
  7430. MDIO_PMA_DEVAD,
  7431. MDIO_PMA_REG_PHY_IDENTIFIER,
  7432. (phy_identifier | (1<<9)));
  7433. return 0;
  7434. }
  7435. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7436. struct link_params *params,
  7437. u32 action)
  7438. {
  7439. struct bnx2x *bp = params->bp;
  7440. u16 val;
  7441. switch (action) {
  7442. case DISABLE_TX:
  7443. bnx2x_sfp_set_transmitter(params, phy, 0);
  7444. break;
  7445. case ENABLE_TX:
  7446. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7447. bnx2x_sfp_set_transmitter(params, phy, 1);
  7448. break;
  7449. case PHY_INIT:
  7450. bnx2x_cl45_write(bp, phy,
  7451. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7452. (1<<2) | (1<<5));
  7453. bnx2x_cl45_write(bp, phy,
  7454. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7455. 0);
  7456. bnx2x_cl45_write(bp, phy,
  7457. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7458. /* Make MOD_ABS give interrupt on change */
  7459. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7460. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7461. &val);
  7462. val |= (1<<12);
  7463. if (phy->flags & FLAGS_NOC)
  7464. val |= (3<<5);
  7465. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7466. * status which reflect SFP+ module over-current
  7467. */
  7468. if (!(phy->flags & FLAGS_NOC))
  7469. val &= 0xff8f; /* Reset bits 4-6 */
  7470. bnx2x_cl45_write(bp, phy,
  7471. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7472. val);
  7473. break;
  7474. default:
  7475. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7476. action);
  7477. return;
  7478. }
  7479. }
  7480. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7481. u8 gpio_mode)
  7482. {
  7483. struct bnx2x *bp = params->bp;
  7484. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7485. offsetof(struct shmem_region,
  7486. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7487. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7488. switch (fault_led_gpio) {
  7489. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7490. return;
  7491. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7492. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7493. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7494. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7495. {
  7496. u8 gpio_port = bnx2x_get_gpio_port(params);
  7497. u16 gpio_pin = fault_led_gpio -
  7498. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7499. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7500. "pin %x port %x mode %x\n",
  7501. gpio_pin, gpio_port, gpio_mode);
  7502. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7503. }
  7504. break;
  7505. default:
  7506. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7507. fault_led_gpio);
  7508. }
  7509. }
  7510. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7511. u8 gpio_mode)
  7512. {
  7513. u32 pin_cfg;
  7514. u8 port = params->port;
  7515. struct bnx2x *bp = params->bp;
  7516. pin_cfg = (REG_RD(bp, params->shmem_base +
  7517. offsetof(struct shmem_region,
  7518. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7519. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7520. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7521. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7522. gpio_mode, pin_cfg);
  7523. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7524. }
  7525. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7526. u8 gpio_mode)
  7527. {
  7528. struct bnx2x *bp = params->bp;
  7529. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7530. if (CHIP_IS_E3(bp)) {
  7531. /* Low ==> if SFP+ module is supported otherwise
  7532. * High ==> if SFP+ module is not on the approved vendor list
  7533. */
  7534. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7535. } else
  7536. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7537. }
  7538. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7539. struct link_params *params)
  7540. {
  7541. struct bnx2x *bp = params->bp;
  7542. bnx2x_warpcore_power_module(params, 0);
  7543. /* Put Warpcore in low power mode */
  7544. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7545. /* Put LCPLL in low power mode */
  7546. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7547. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7548. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7549. }
  7550. static void bnx2x_power_sfp_module(struct link_params *params,
  7551. struct bnx2x_phy *phy,
  7552. u8 power)
  7553. {
  7554. struct bnx2x *bp = params->bp;
  7555. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7556. switch (phy->type) {
  7557. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7559. bnx2x_8727_power_module(params->bp, phy, power);
  7560. break;
  7561. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7562. bnx2x_warpcore_power_module(params, power);
  7563. break;
  7564. default:
  7565. break;
  7566. }
  7567. }
  7568. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7569. struct bnx2x_phy *phy,
  7570. u16 edc_mode)
  7571. {
  7572. u16 val = 0;
  7573. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7574. struct bnx2x *bp = params->bp;
  7575. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7576. /* This is a global register which controls all lanes */
  7577. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7578. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7579. val &= ~(0xf << (lane << 2));
  7580. switch (edc_mode) {
  7581. case EDC_MODE_LINEAR:
  7582. case EDC_MODE_LIMITING:
  7583. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7584. break;
  7585. case EDC_MODE_PASSIVE_DAC:
  7586. case EDC_MODE_ACTIVE_DAC:
  7587. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7588. break;
  7589. default:
  7590. break;
  7591. }
  7592. val |= (mode << (lane << 2));
  7593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7594. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7595. /* A must read */
  7596. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7597. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7598. /* Restart microcode to re-read the new mode */
  7599. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7600. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7601. }
  7602. static void bnx2x_set_limiting_mode(struct link_params *params,
  7603. struct bnx2x_phy *phy,
  7604. u16 edc_mode)
  7605. {
  7606. switch (phy->type) {
  7607. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7608. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7609. break;
  7610. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7611. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7612. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7613. break;
  7614. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7615. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7616. break;
  7617. }
  7618. }
  7619. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7620. struct link_params *params)
  7621. {
  7622. struct bnx2x *bp = params->bp;
  7623. u16 edc_mode;
  7624. int rc = 0;
  7625. u32 val = REG_RD(bp, params->shmem_base +
  7626. offsetof(struct shmem_region, dev_info.
  7627. port_feature_config[params->port].config));
  7628. /* Enabled transmitter by default */
  7629. bnx2x_sfp_set_transmitter(params, phy, 1);
  7630. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7631. params->port);
  7632. /* Power up module */
  7633. bnx2x_power_sfp_module(params, phy, 1);
  7634. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7635. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7636. return -EINVAL;
  7637. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7638. /* Check SFP+ module compatibility */
  7639. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7640. rc = -EINVAL;
  7641. /* Turn on fault module-detected led */
  7642. bnx2x_set_sfp_module_fault_led(params,
  7643. MISC_REGISTERS_GPIO_HIGH);
  7644. /* Check if need to power down the SFP+ module */
  7645. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7646. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7647. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7648. bnx2x_power_sfp_module(params, phy, 0);
  7649. return rc;
  7650. }
  7651. } else {
  7652. /* Turn off fault module-detected led */
  7653. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7654. }
  7655. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7656. * is done automatically
  7657. */
  7658. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7659. /* Disable transmit for this module if the module is not approved, and
  7660. * laser needs to be disabled.
  7661. */
  7662. if ((rc) &&
  7663. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7664. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7665. bnx2x_sfp_set_transmitter(params, phy, 0);
  7666. return rc;
  7667. }
  7668. void bnx2x_handle_module_detect_int(struct link_params *params)
  7669. {
  7670. struct bnx2x *bp = params->bp;
  7671. struct bnx2x_phy *phy;
  7672. u32 gpio_val;
  7673. u8 gpio_num, gpio_port;
  7674. if (CHIP_IS_E3(bp)) {
  7675. phy = &params->phy[INT_PHY];
  7676. /* Always enable TX laser,will be disabled in case of fault */
  7677. bnx2x_sfp_set_transmitter(params, phy, 1);
  7678. } else {
  7679. phy = &params->phy[EXT_PHY1];
  7680. }
  7681. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7682. params->port, &gpio_num, &gpio_port) ==
  7683. -EINVAL) {
  7684. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7685. return;
  7686. }
  7687. /* Set valid module led off */
  7688. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7689. /* Get current gpio val reflecting module plugged in / out*/
  7690. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7691. /* Call the handling function in case module is detected */
  7692. if (gpio_val == 0) {
  7693. bnx2x_set_mdio_emac_per_phy(bp, params);
  7694. bnx2x_set_aer_mmd(params, phy);
  7695. bnx2x_power_sfp_module(params, phy, 1);
  7696. bnx2x_set_gpio_int(bp, gpio_num,
  7697. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7698. gpio_port);
  7699. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7700. bnx2x_sfp_module_detection(phy, params);
  7701. if (CHIP_IS_E3(bp)) {
  7702. u16 rx_tx_in_reset;
  7703. /* In case WC is out of reset, reconfigure the
  7704. * link speed while taking into account 1G
  7705. * module limitation.
  7706. */
  7707. bnx2x_cl45_read(bp, phy,
  7708. MDIO_WC_DEVAD,
  7709. MDIO_WC_REG_DIGITAL5_MISC6,
  7710. &rx_tx_in_reset);
  7711. if ((!rx_tx_in_reset) &&
  7712. (params->link_flags &
  7713. PHY_INITIALIZED)) {
  7714. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7715. bnx2x_warpcore_config_sfi(phy, params);
  7716. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7717. }
  7718. }
  7719. } else {
  7720. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7721. }
  7722. } else {
  7723. bnx2x_set_gpio_int(bp, gpio_num,
  7724. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7725. gpio_port);
  7726. /* Module was plugged out.
  7727. * Disable transmit for this module
  7728. */
  7729. phy->media_type = ETH_PHY_NOT_PRESENT;
  7730. }
  7731. }
  7732. /******************************************************************/
  7733. /* Used by 8706 and 8727 */
  7734. /******************************************************************/
  7735. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7736. struct bnx2x_phy *phy,
  7737. u16 alarm_status_offset,
  7738. u16 alarm_ctrl_offset)
  7739. {
  7740. u16 alarm_status, val;
  7741. bnx2x_cl45_read(bp, phy,
  7742. MDIO_PMA_DEVAD, alarm_status_offset,
  7743. &alarm_status);
  7744. bnx2x_cl45_read(bp, phy,
  7745. MDIO_PMA_DEVAD, alarm_status_offset,
  7746. &alarm_status);
  7747. /* Mask or enable the fault event. */
  7748. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7749. if (alarm_status & (1<<0))
  7750. val &= ~(1<<0);
  7751. else
  7752. val |= (1<<0);
  7753. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7754. }
  7755. /******************************************************************/
  7756. /* common BCM8706/BCM8726 PHY SECTION */
  7757. /******************************************************************/
  7758. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7759. struct link_params *params,
  7760. struct link_vars *vars)
  7761. {
  7762. u8 link_up = 0;
  7763. u16 val1, val2, rx_sd, pcs_status;
  7764. struct bnx2x *bp = params->bp;
  7765. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7766. /* Clear RX Alarm*/
  7767. bnx2x_cl45_read(bp, phy,
  7768. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7769. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7770. MDIO_PMA_LASI_TXCTRL);
  7771. /* Clear LASI indication*/
  7772. bnx2x_cl45_read(bp, phy,
  7773. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7774. bnx2x_cl45_read(bp, phy,
  7775. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7776. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7777. bnx2x_cl45_read(bp, phy,
  7778. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7779. bnx2x_cl45_read(bp, phy,
  7780. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7781. bnx2x_cl45_read(bp, phy,
  7782. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7783. bnx2x_cl45_read(bp, phy,
  7784. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7785. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7786. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7787. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7788. * are set, or if the autoneg bit 1 is set
  7789. */
  7790. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7791. if (link_up) {
  7792. if (val2 & (1<<1))
  7793. vars->line_speed = SPEED_1000;
  7794. else
  7795. vars->line_speed = SPEED_10000;
  7796. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7797. vars->duplex = DUPLEX_FULL;
  7798. }
  7799. /* Capture 10G link fault. Read twice to clear stale value. */
  7800. if (vars->line_speed == SPEED_10000) {
  7801. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7802. MDIO_PMA_LASI_TXSTAT, &val1);
  7803. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7804. MDIO_PMA_LASI_TXSTAT, &val1);
  7805. if (val1 & (1<<0))
  7806. vars->fault_detected = 1;
  7807. }
  7808. return link_up;
  7809. }
  7810. /******************************************************************/
  7811. /* BCM8706 PHY SECTION */
  7812. /******************************************************************/
  7813. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7814. struct link_params *params,
  7815. struct link_vars *vars)
  7816. {
  7817. u32 tx_en_mode;
  7818. u16 cnt, val, tmp1;
  7819. struct bnx2x *bp = params->bp;
  7820. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7821. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7822. /* HW reset */
  7823. bnx2x_ext_phy_hw_reset(bp, params->port);
  7824. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7825. bnx2x_wait_reset_complete(bp, phy, params);
  7826. /* Wait until fw is loaded */
  7827. for (cnt = 0; cnt < 100; cnt++) {
  7828. bnx2x_cl45_read(bp, phy,
  7829. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7830. if (val)
  7831. break;
  7832. usleep_range(10000, 20000);
  7833. }
  7834. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7835. if ((params->feature_config_flags &
  7836. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7837. u8 i;
  7838. u16 reg;
  7839. for (i = 0; i < 4; i++) {
  7840. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7841. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7842. MDIO_XS_8706_REG_BANK_RX0);
  7843. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7844. /* Clear first 3 bits of the control */
  7845. val &= ~0x7;
  7846. /* Set control bits according to configuration */
  7847. val |= (phy->rx_preemphasis[i] & 0x7);
  7848. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7849. " reg 0x%x <-- val 0x%x\n", reg, val);
  7850. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7851. }
  7852. }
  7853. /* Force speed */
  7854. if (phy->req_line_speed == SPEED_10000) {
  7855. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7856. bnx2x_cl45_write(bp, phy,
  7857. MDIO_PMA_DEVAD,
  7858. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7859. bnx2x_cl45_write(bp, phy,
  7860. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7861. 0);
  7862. /* Arm LASI for link and Tx fault. */
  7863. bnx2x_cl45_write(bp, phy,
  7864. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7865. } else {
  7866. /* Force 1Gbps using autoneg with 1G advertisement */
  7867. /* Allow CL37 through CL73 */
  7868. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7869. bnx2x_cl45_write(bp, phy,
  7870. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7871. /* Enable Full-Duplex advertisement on CL37 */
  7872. bnx2x_cl45_write(bp, phy,
  7873. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7874. /* Enable CL37 AN */
  7875. bnx2x_cl45_write(bp, phy,
  7876. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7877. /* 1G support */
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7880. /* Enable clause 73 AN */
  7881. bnx2x_cl45_write(bp, phy,
  7882. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7883. bnx2x_cl45_write(bp, phy,
  7884. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7885. 0x0400);
  7886. bnx2x_cl45_write(bp, phy,
  7887. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7888. 0x0004);
  7889. }
  7890. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7891. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7892. * power mode, if TX Laser is disabled
  7893. */
  7894. tx_en_mode = REG_RD(bp, params->shmem_base +
  7895. offsetof(struct shmem_region,
  7896. dev_info.port_hw_config[params->port].sfp_ctrl))
  7897. & PORT_HW_CFG_TX_LASER_MASK;
  7898. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7899. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7900. bnx2x_cl45_read(bp, phy,
  7901. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7902. tmp1 |= 0x1;
  7903. bnx2x_cl45_write(bp, phy,
  7904. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7905. }
  7906. return 0;
  7907. }
  7908. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7909. struct link_params *params,
  7910. struct link_vars *vars)
  7911. {
  7912. return bnx2x_8706_8726_read_status(phy, params, vars);
  7913. }
  7914. /******************************************************************/
  7915. /* BCM8726 PHY SECTION */
  7916. /******************************************************************/
  7917. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7918. struct link_params *params)
  7919. {
  7920. struct bnx2x *bp = params->bp;
  7921. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7922. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7923. }
  7924. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7925. struct link_params *params)
  7926. {
  7927. struct bnx2x *bp = params->bp;
  7928. /* Need to wait 100ms after reset */
  7929. msleep(100);
  7930. /* Micro controller re-boot */
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7933. /* Set soft reset */
  7934. bnx2x_cl45_write(bp, phy,
  7935. MDIO_PMA_DEVAD,
  7936. MDIO_PMA_REG_GEN_CTRL,
  7937. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7938. bnx2x_cl45_write(bp, phy,
  7939. MDIO_PMA_DEVAD,
  7940. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7941. bnx2x_cl45_write(bp, phy,
  7942. MDIO_PMA_DEVAD,
  7943. MDIO_PMA_REG_GEN_CTRL,
  7944. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7945. /* Wait for 150ms for microcode load */
  7946. msleep(150);
  7947. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7948. bnx2x_cl45_write(bp, phy,
  7949. MDIO_PMA_DEVAD,
  7950. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7951. msleep(200);
  7952. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7953. }
  7954. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7955. struct link_params *params,
  7956. struct link_vars *vars)
  7957. {
  7958. struct bnx2x *bp = params->bp;
  7959. u16 val1;
  7960. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7961. if (link_up) {
  7962. bnx2x_cl45_read(bp, phy,
  7963. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7964. &val1);
  7965. if (val1 & (1<<15)) {
  7966. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7967. link_up = 0;
  7968. vars->line_speed = 0;
  7969. }
  7970. }
  7971. return link_up;
  7972. }
  7973. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7974. struct link_params *params,
  7975. struct link_vars *vars)
  7976. {
  7977. struct bnx2x *bp = params->bp;
  7978. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7979. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7980. bnx2x_wait_reset_complete(bp, phy, params);
  7981. bnx2x_8726_external_rom_boot(phy, params);
  7982. /* Need to call module detected on initialization since the module
  7983. * detection triggered by actual module insertion might occur before
  7984. * driver is loaded, and when driver is loaded, it reset all
  7985. * registers, including the transmitter
  7986. */
  7987. bnx2x_sfp_module_detection(phy, params);
  7988. if (phy->req_line_speed == SPEED_1000) {
  7989. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7990. bnx2x_cl45_write(bp, phy,
  7991. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7992. bnx2x_cl45_write(bp, phy,
  7993. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7994. bnx2x_cl45_write(bp, phy,
  7995. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7996. bnx2x_cl45_write(bp, phy,
  7997. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7998. 0x400);
  7999. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8000. (phy->speed_cap_mask &
  8001. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  8002. ((phy->speed_cap_mask &
  8003. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8004. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8005. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8006. /* Set Flow control */
  8007. bnx2x_ext_phy_set_pause(params, phy, vars);
  8008. bnx2x_cl45_write(bp, phy,
  8009. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  8010. bnx2x_cl45_write(bp, phy,
  8011. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  8012. bnx2x_cl45_write(bp, phy,
  8013. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  8014. bnx2x_cl45_write(bp, phy,
  8015. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  8016. bnx2x_cl45_write(bp, phy,
  8017. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  8018. /* Enable RX-ALARM control to receive interrupt for 1G speed
  8019. * change
  8020. */
  8021. bnx2x_cl45_write(bp, phy,
  8022. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  8023. bnx2x_cl45_write(bp, phy,
  8024. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8025. 0x400);
  8026. } else { /* Default 10G. Set only LASI control */
  8027. bnx2x_cl45_write(bp, phy,
  8028. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  8029. }
  8030. /* Set TX PreEmphasis if needed */
  8031. if ((params->feature_config_flags &
  8032. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8033. DP(NETIF_MSG_LINK,
  8034. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8035. phy->tx_preemphasis[0],
  8036. phy->tx_preemphasis[1]);
  8037. bnx2x_cl45_write(bp, phy,
  8038. MDIO_PMA_DEVAD,
  8039. MDIO_PMA_REG_8726_TX_CTRL1,
  8040. phy->tx_preemphasis[0]);
  8041. bnx2x_cl45_write(bp, phy,
  8042. MDIO_PMA_DEVAD,
  8043. MDIO_PMA_REG_8726_TX_CTRL2,
  8044. phy->tx_preemphasis[1]);
  8045. }
  8046. return 0;
  8047. }
  8048. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8049. struct link_params *params)
  8050. {
  8051. struct bnx2x *bp = params->bp;
  8052. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8053. /* Set serial boot control for external load */
  8054. bnx2x_cl45_write(bp, phy,
  8055. MDIO_PMA_DEVAD,
  8056. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8057. }
  8058. /******************************************************************/
  8059. /* BCM8727 PHY SECTION */
  8060. /******************************************************************/
  8061. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8062. struct link_params *params, u8 mode)
  8063. {
  8064. struct bnx2x *bp = params->bp;
  8065. u16 led_mode_bitmask = 0;
  8066. u16 gpio_pins_bitmask = 0;
  8067. u16 val;
  8068. /* Only NOC flavor requires to set the LED specifically */
  8069. if (!(phy->flags & FLAGS_NOC))
  8070. return;
  8071. switch (mode) {
  8072. case LED_MODE_FRONT_PANEL_OFF:
  8073. case LED_MODE_OFF:
  8074. led_mode_bitmask = 0;
  8075. gpio_pins_bitmask = 0x03;
  8076. break;
  8077. case LED_MODE_ON:
  8078. led_mode_bitmask = 0;
  8079. gpio_pins_bitmask = 0x02;
  8080. break;
  8081. case LED_MODE_OPER:
  8082. led_mode_bitmask = 0x60;
  8083. gpio_pins_bitmask = 0x11;
  8084. break;
  8085. }
  8086. bnx2x_cl45_read(bp, phy,
  8087. MDIO_PMA_DEVAD,
  8088. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8089. &val);
  8090. val &= 0xff8f;
  8091. val |= led_mode_bitmask;
  8092. bnx2x_cl45_write(bp, phy,
  8093. MDIO_PMA_DEVAD,
  8094. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8095. val);
  8096. bnx2x_cl45_read(bp, phy,
  8097. MDIO_PMA_DEVAD,
  8098. MDIO_PMA_REG_8727_GPIO_CTRL,
  8099. &val);
  8100. val &= 0xffe0;
  8101. val |= gpio_pins_bitmask;
  8102. bnx2x_cl45_write(bp, phy,
  8103. MDIO_PMA_DEVAD,
  8104. MDIO_PMA_REG_8727_GPIO_CTRL,
  8105. val);
  8106. }
  8107. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8108. struct link_params *params) {
  8109. u32 swap_val, swap_override;
  8110. u8 port;
  8111. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8112. * to cancel the swap done in set_gpio()
  8113. */
  8114. struct bnx2x *bp = params->bp;
  8115. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8116. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8117. port = (swap_val && swap_override) ^ 1;
  8118. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8119. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8120. }
  8121. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8122. struct link_params *params)
  8123. {
  8124. struct bnx2x *bp = params->bp;
  8125. u16 tmp1, val;
  8126. /* Set option 1G speed */
  8127. if ((phy->req_line_speed == SPEED_1000) ||
  8128. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8129. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8130. bnx2x_cl45_write(bp, phy,
  8131. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8132. bnx2x_cl45_write(bp, phy,
  8133. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8134. bnx2x_cl45_read(bp, phy,
  8135. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8136. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8137. /* Power down the XAUI until link is up in case of dual-media
  8138. * and 1G
  8139. */
  8140. if (DUAL_MEDIA(params)) {
  8141. bnx2x_cl45_read(bp, phy,
  8142. MDIO_PMA_DEVAD,
  8143. MDIO_PMA_REG_8727_PCS_GP, &val);
  8144. val |= (3<<10);
  8145. bnx2x_cl45_write(bp, phy,
  8146. MDIO_PMA_DEVAD,
  8147. MDIO_PMA_REG_8727_PCS_GP, val);
  8148. }
  8149. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8150. ((phy->speed_cap_mask &
  8151. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8152. ((phy->speed_cap_mask &
  8153. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8154. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8155. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8156. bnx2x_cl45_write(bp, phy,
  8157. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8158. bnx2x_cl45_write(bp, phy,
  8159. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8160. } else {
  8161. /* Since the 8727 has only single reset pin, need to set the 10G
  8162. * registers although it is default
  8163. */
  8164. bnx2x_cl45_write(bp, phy,
  8165. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8166. 0x0020);
  8167. bnx2x_cl45_write(bp, phy,
  8168. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8169. bnx2x_cl45_write(bp, phy,
  8170. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8171. bnx2x_cl45_write(bp, phy,
  8172. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8173. 0x0008);
  8174. }
  8175. }
  8176. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8177. struct link_params *params,
  8178. struct link_vars *vars)
  8179. {
  8180. u32 tx_en_mode;
  8181. u16 tmp1, mod_abs, tmp2;
  8182. struct bnx2x *bp = params->bp;
  8183. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8184. bnx2x_wait_reset_complete(bp, phy, params);
  8185. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8186. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8187. /* Initially configure MOD_ABS to interrupt when module is
  8188. * presence( bit 8)
  8189. */
  8190. bnx2x_cl45_read(bp, phy,
  8191. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8192. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8193. * When the EDC is off it locks onto a reference clock and avoids
  8194. * becoming 'lost'
  8195. */
  8196. mod_abs &= ~(1<<8);
  8197. if (!(phy->flags & FLAGS_NOC))
  8198. mod_abs &= ~(1<<9);
  8199. bnx2x_cl45_write(bp, phy,
  8200. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8201. /* Enable/Disable PHY transmitter output */
  8202. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8203. bnx2x_8727_power_module(bp, phy, 1);
  8204. bnx2x_cl45_read(bp, phy,
  8205. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8206. bnx2x_cl45_read(bp, phy,
  8207. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8208. bnx2x_8727_config_speed(phy, params);
  8209. /* Set TX PreEmphasis if needed */
  8210. if ((params->feature_config_flags &
  8211. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8212. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8213. phy->tx_preemphasis[0],
  8214. phy->tx_preemphasis[1]);
  8215. bnx2x_cl45_write(bp, phy,
  8216. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8217. phy->tx_preemphasis[0]);
  8218. bnx2x_cl45_write(bp, phy,
  8219. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8220. phy->tx_preemphasis[1]);
  8221. }
  8222. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8223. * power mode, if TX Laser is disabled
  8224. */
  8225. tx_en_mode = REG_RD(bp, params->shmem_base +
  8226. offsetof(struct shmem_region,
  8227. dev_info.port_hw_config[params->port].sfp_ctrl))
  8228. & PORT_HW_CFG_TX_LASER_MASK;
  8229. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8230. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8231. bnx2x_cl45_read(bp, phy,
  8232. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8233. tmp2 |= 0x1000;
  8234. tmp2 &= 0xFFEF;
  8235. bnx2x_cl45_write(bp, phy,
  8236. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8237. bnx2x_cl45_read(bp, phy,
  8238. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8239. &tmp2);
  8240. bnx2x_cl45_write(bp, phy,
  8241. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8242. (tmp2 & 0x7fff));
  8243. }
  8244. return 0;
  8245. }
  8246. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8247. struct link_params *params)
  8248. {
  8249. struct bnx2x *bp = params->bp;
  8250. u16 mod_abs, rx_alarm_status;
  8251. u32 val = REG_RD(bp, params->shmem_base +
  8252. offsetof(struct shmem_region, dev_info.
  8253. port_feature_config[params->port].
  8254. config));
  8255. bnx2x_cl45_read(bp, phy,
  8256. MDIO_PMA_DEVAD,
  8257. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8258. if (mod_abs & (1<<8)) {
  8259. /* Module is absent */
  8260. DP(NETIF_MSG_LINK,
  8261. "MOD_ABS indication show module is absent\n");
  8262. phy->media_type = ETH_PHY_NOT_PRESENT;
  8263. /* 1. Set mod_abs to detect next module
  8264. * presence event
  8265. * 2. Set EDC off by setting OPTXLOS signal input to low
  8266. * (bit 9).
  8267. * When the EDC is off it locks onto a reference clock and
  8268. * avoids becoming 'lost'.
  8269. */
  8270. mod_abs &= ~(1<<8);
  8271. if (!(phy->flags & FLAGS_NOC))
  8272. mod_abs &= ~(1<<9);
  8273. bnx2x_cl45_write(bp, phy,
  8274. MDIO_PMA_DEVAD,
  8275. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8276. /* Clear RX alarm since it stays up as long as
  8277. * the mod_abs wasn't changed
  8278. */
  8279. bnx2x_cl45_read(bp, phy,
  8280. MDIO_PMA_DEVAD,
  8281. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8282. } else {
  8283. /* Module is present */
  8284. DP(NETIF_MSG_LINK,
  8285. "MOD_ABS indication show module is present\n");
  8286. /* First disable transmitter, and if the module is ok, the
  8287. * module_detection will enable it
  8288. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8289. * 2. Restore the default polarity of the OPRXLOS signal and
  8290. * this signal will then correctly indicate the presence or
  8291. * absence of the Rx signal. (bit 9)
  8292. */
  8293. mod_abs |= (1<<8);
  8294. if (!(phy->flags & FLAGS_NOC))
  8295. mod_abs |= (1<<9);
  8296. bnx2x_cl45_write(bp, phy,
  8297. MDIO_PMA_DEVAD,
  8298. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8299. /* Clear RX alarm since it stays up as long as the mod_abs
  8300. * wasn't changed. This is need to be done before calling the
  8301. * module detection, otherwise it will clear* the link update
  8302. * alarm
  8303. */
  8304. bnx2x_cl45_read(bp, phy,
  8305. MDIO_PMA_DEVAD,
  8306. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8307. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8308. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8309. bnx2x_sfp_set_transmitter(params, phy, 0);
  8310. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8311. bnx2x_sfp_module_detection(phy, params);
  8312. else
  8313. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8314. /* Reconfigure link speed based on module type limitations */
  8315. bnx2x_8727_config_speed(phy, params);
  8316. }
  8317. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8318. rx_alarm_status);
  8319. /* No need to check link status in case of module plugged in/out */
  8320. }
  8321. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8322. struct link_params *params,
  8323. struct link_vars *vars)
  8324. {
  8325. struct bnx2x *bp = params->bp;
  8326. u8 link_up = 0, oc_port = params->port;
  8327. u16 link_status = 0;
  8328. u16 rx_alarm_status, lasi_ctrl, val1;
  8329. /* If PHY is not initialized, do not check link status */
  8330. bnx2x_cl45_read(bp, phy,
  8331. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8332. &lasi_ctrl);
  8333. if (!lasi_ctrl)
  8334. return 0;
  8335. /* Check the LASI on Rx */
  8336. bnx2x_cl45_read(bp, phy,
  8337. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8338. &rx_alarm_status);
  8339. vars->line_speed = 0;
  8340. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8341. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8342. MDIO_PMA_LASI_TXCTRL);
  8343. bnx2x_cl45_read(bp, phy,
  8344. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8345. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8346. /* Clear MSG-OUT */
  8347. bnx2x_cl45_read(bp, phy,
  8348. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8349. /* If a module is present and there is need to check
  8350. * for over current
  8351. */
  8352. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8353. /* Check over-current using 8727 GPIO0 input*/
  8354. bnx2x_cl45_read(bp, phy,
  8355. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8356. &val1);
  8357. if ((val1 & (1<<8)) == 0) {
  8358. if (!CHIP_IS_E1x(bp))
  8359. oc_port = BP_PATH(bp) + (params->port << 1);
  8360. DP(NETIF_MSG_LINK,
  8361. "8727 Power fault has been detected on port %d\n",
  8362. oc_port);
  8363. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8364. "been detected and the power to "
  8365. "that SFP+ module has been removed "
  8366. "to prevent failure of the card. "
  8367. "Please remove the SFP+ module and "
  8368. "restart the system to clear this "
  8369. "error.\n",
  8370. oc_port);
  8371. /* Disable all RX_ALARMs except for mod_abs */
  8372. bnx2x_cl45_write(bp, phy,
  8373. MDIO_PMA_DEVAD,
  8374. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8375. bnx2x_cl45_read(bp, phy,
  8376. MDIO_PMA_DEVAD,
  8377. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8378. /* Wait for module_absent_event */
  8379. val1 |= (1<<8);
  8380. bnx2x_cl45_write(bp, phy,
  8381. MDIO_PMA_DEVAD,
  8382. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8383. /* Clear RX alarm */
  8384. bnx2x_cl45_read(bp, phy,
  8385. MDIO_PMA_DEVAD,
  8386. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8387. bnx2x_8727_power_module(params->bp, phy, 0);
  8388. return 0;
  8389. }
  8390. } /* Over current check */
  8391. /* When module absent bit is set, check module */
  8392. if (rx_alarm_status & (1<<5)) {
  8393. bnx2x_8727_handle_mod_abs(phy, params);
  8394. /* Enable all mod_abs and link detection bits */
  8395. bnx2x_cl45_write(bp, phy,
  8396. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8397. ((1<<5) | (1<<2)));
  8398. }
  8399. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8400. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8401. bnx2x_sfp_set_transmitter(params, phy, 1);
  8402. } else {
  8403. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8404. return 0;
  8405. }
  8406. bnx2x_cl45_read(bp, phy,
  8407. MDIO_PMA_DEVAD,
  8408. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8409. /* Bits 0..2 --> speed detected,
  8410. * Bits 13..15--> link is down
  8411. */
  8412. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8413. link_up = 1;
  8414. vars->line_speed = SPEED_10000;
  8415. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8416. params->port);
  8417. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8418. link_up = 1;
  8419. vars->line_speed = SPEED_1000;
  8420. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8421. params->port);
  8422. } else {
  8423. link_up = 0;
  8424. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8425. params->port);
  8426. }
  8427. /* Capture 10G link fault. */
  8428. if (vars->line_speed == SPEED_10000) {
  8429. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8430. MDIO_PMA_LASI_TXSTAT, &val1);
  8431. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8432. MDIO_PMA_LASI_TXSTAT, &val1);
  8433. if (val1 & (1<<0)) {
  8434. vars->fault_detected = 1;
  8435. }
  8436. }
  8437. if (link_up) {
  8438. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8439. vars->duplex = DUPLEX_FULL;
  8440. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8441. }
  8442. if ((DUAL_MEDIA(params)) &&
  8443. (phy->req_line_speed == SPEED_1000)) {
  8444. bnx2x_cl45_read(bp, phy,
  8445. MDIO_PMA_DEVAD,
  8446. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8447. /* In case of dual-media board and 1G, power up the XAUI side,
  8448. * otherwise power it down. For 10G it is done automatically
  8449. */
  8450. if (link_up)
  8451. val1 &= ~(3<<10);
  8452. else
  8453. val1 |= (3<<10);
  8454. bnx2x_cl45_write(bp, phy,
  8455. MDIO_PMA_DEVAD,
  8456. MDIO_PMA_REG_8727_PCS_GP, val1);
  8457. }
  8458. return link_up;
  8459. }
  8460. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8461. struct link_params *params)
  8462. {
  8463. struct bnx2x *bp = params->bp;
  8464. /* Enable/Disable PHY transmitter output */
  8465. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8466. /* Disable Transmitter */
  8467. bnx2x_sfp_set_transmitter(params, phy, 0);
  8468. /* Clear LASI */
  8469. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8470. }
  8471. /******************************************************************/
  8472. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8473. /******************************************************************/
  8474. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8475. struct bnx2x *bp,
  8476. u8 port)
  8477. {
  8478. u16 val, fw_ver2, cnt, i;
  8479. static struct bnx2x_reg_set reg_set[] = {
  8480. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8481. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8482. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8483. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8484. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8485. };
  8486. u16 fw_ver1;
  8487. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8488. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8489. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8490. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8491. phy->ver_addr);
  8492. } else {
  8493. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8494. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8495. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8496. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8497. reg_set[i].reg, reg_set[i].val);
  8498. for (cnt = 0; cnt < 100; cnt++) {
  8499. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8500. if (val & 1)
  8501. break;
  8502. udelay(5);
  8503. }
  8504. if (cnt == 100) {
  8505. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8506. "phy fw version(1)\n");
  8507. bnx2x_save_spirom_version(bp, port, 0,
  8508. phy->ver_addr);
  8509. return;
  8510. }
  8511. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8512. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8513. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8514. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8515. for (cnt = 0; cnt < 100; cnt++) {
  8516. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8517. if (val & 1)
  8518. break;
  8519. udelay(5);
  8520. }
  8521. if (cnt == 100) {
  8522. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8523. "version(2)\n");
  8524. bnx2x_save_spirom_version(bp, port, 0,
  8525. phy->ver_addr);
  8526. return;
  8527. }
  8528. /* lower 16 bits of the register SPI_FW_STATUS */
  8529. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8530. /* upper 16 bits of register SPI_FW_STATUS */
  8531. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8532. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8533. phy->ver_addr);
  8534. }
  8535. }
  8536. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8537. struct bnx2x_phy *phy)
  8538. {
  8539. u16 val, offset, i;
  8540. static struct bnx2x_reg_set reg_set[] = {
  8541. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8542. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8543. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8544. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8545. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8546. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8547. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8548. };
  8549. /* PHYC_CTL_LED_CTL */
  8550. bnx2x_cl45_read(bp, phy,
  8551. MDIO_PMA_DEVAD,
  8552. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8553. val &= 0xFE00;
  8554. val |= 0x0092;
  8555. bnx2x_cl45_write(bp, phy,
  8556. MDIO_PMA_DEVAD,
  8557. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8558. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8559. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8560. reg_set[i].val);
  8561. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8562. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8563. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8564. else
  8565. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8566. /* stretch_en for LED3*/
  8567. bnx2x_cl45_read_or_write(bp, phy,
  8568. MDIO_PMA_DEVAD, offset,
  8569. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8570. }
  8571. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8572. struct link_params *params,
  8573. u32 action)
  8574. {
  8575. struct bnx2x *bp = params->bp;
  8576. switch (action) {
  8577. case PHY_INIT:
  8578. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8579. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8580. /* Save spirom version */
  8581. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8582. }
  8583. /* This phy uses the NIG latch mechanism since link indication
  8584. * arrives through its LED4 and not via its LASI signal, so we
  8585. * get steady signal instead of clear on read
  8586. */
  8587. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8588. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8589. bnx2x_848xx_set_led(bp, phy);
  8590. break;
  8591. }
  8592. }
  8593. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8594. struct link_params *params,
  8595. struct link_vars *vars)
  8596. {
  8597. struct bnx2x *bp = params->bp;
  8598. u16 autoneg_val, an_1000_val, an_10_100_val;
  8599. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8600. bnx2x_cl45_write(bp, phy,
  8601. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8602. /* set 1000 speed advertisement */
  8603. bnx2x_cl45_read(bp, phy,
  8604. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8605. &an_1000_val);
  8606. bnx2x_ext_phy_set_pause(params, phy, vars);
  8607. bnx2x_cl45_read(bp, phy,
  8608. MDIO_AN_DEVAD,
  8609. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8610. &an_10_100_val);
  8611. bnx2x_cl45_read(bp, phy,
  8612. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8613. &autoneg_val);
  8614. /* Disable forced speed */
  8615. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8616. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8617. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8618. (phy->speed_cap_mask &
  8619. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8620. (phy->req_line_speed == SPEED_1000)) {
  8621. an_1000_val |= (1<<8);
  8622. autoneg_val |= (1<<9 | 1<<12);
  8623. if (phy->req_duplex == DUPLEX_FULL)
  8624. an_1000_val |= (1<<9);
  8625. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8626. } else
  8627. an_1000_val &= ~((1<<8) | (1<<9));
  8628. bnx2x_cl45_write(bp, phy,
  8629. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8630. an_1000_val);
  8631. /* Set 10/100 speed advertisement */
  8632. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  8633. if (phy->speed_cap_mask &
  8634. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
  8635. /* Enable autoneg and restart autoneg for legacy speeds
  8636. */
  8637. autoneg_val |= (1<<9 | 1<<12);
  8638. an_10_100_val |= (1<<8);
  8639. DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
  8640. }
  8641. if (phy->speed_cap_mask &
  8642. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
  8643. /* Enable autoneg and restart autoneg for legacy speeds
  8644. */
  8645. autoneg_val |= (1<<9 | 1<<12);
  8646. an_10_100_val |= (1<<7);
  8647. DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
  8648. }
  8649. if ((phy->speed_cap_mask &
  8650. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  8651. (phy->supported & SUPPORTED_10baseT_Full)) {
  8652. an_10_100_val |= (1<<6);
  8653. autoneg_val |= (1<<9 | 1<<12);
  8654. DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
  8655. }
  8656. if ((phy->speed_cap_mask &
  8657. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
  8658. (phy->supported & SUPPORTED_10baseT_Half)) {
  8659. an_10_100_val |= (1<<5);
  8660. autoneg_val |= (1<<9 | 1<<12);
  8661. DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
  8662. }
  8663. }
  8664. /* Only 10/100 are allowed to work in FORCE mode */
  8665. if ((phy->req_line_speed == SPEED_100) &&
  8666. (phy->supported &
  8667. (SUPPORTED_100baseT_Half |
  8668. SUPPORTED_100baseT_Full))) {
  8669. autoneg_val |= (1<<13);
  8670. /* Enabled AUTO-MDIX when autoneg is disabled */
  8671. bnx2x_cl45_write(bp, phy,
  8672. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8673. (1<<15 | 1<<9 | 7<<0));
  8674. /* The PHY needs this set even for forced link. */
  8675. an_10_100_val |= (1<<8) | (1<<7);
  8676. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8677. }
  8678. if ((phy->req_line_speed == SPEED_10) &&
  8679. (phy->supported &
  8680. (SUPPORTED_10baseT_Half |
  8681. SUPPORTED_10baseT_Full))) {
  8682. /* Enabled AUTO-MDIX when autoneg is disabled */
  8683. bnx2x_cl45_write(bp, phy,
  8684. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8685. (1<<15 | 1<<9 | 7<<0));
  8686. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8687. }
  8688. bnx2x_cl45_write(bp, phy,
  8689. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8690. an_10_100_val);
  8691. if (phy->req_duplex == DUPLEX_FULL)
  8692. autoneg_val |= (1<<8);
  8693. /* Always write this if this is not 84833/4.
  8694. * For 84833/4, write it only when it's a forced speed.
  8695. */
  8696. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8697. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8698. ((autoneg_val & (1<<12)) == 0))
  8699. bnx2x_cl45_write(bp, phy,
  8700. MDIO_AN_DEVAD,
  8701. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8702. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8703. (phy->speed_cap_mask &
  8704. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8705. (phy->req_line_speed == SPEED_10000)) {
  8706. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8707. /* Restart autoneg for 10G*/
  8708. bnx2x_cl45_read_or_write(
  8709. bp, phy,
  8710. MDIO_AN_DEVAD,
  8711. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8712. 0x1000);
  8713. bnx2x_cl45_write(bp, phy,
  8714. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8715. 0x3200);
  8716. } else
  8717. bnx2x_cl45_write(bp, phy,
  8718. MDIO_AN_DEVAD,
  8719. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8720. 1);
  8721. return 0;
  8722. }
  8723. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8724. struct link_params *params,
  8725. struct link_vars *vars)
  8726. {
  8727. struct bnx2x *bp = params->bp;
  8728. /* Restore normal power mode*/
  8729. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8730. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8731. /* HW reset */
  8732. bnx2x_ext_phy_hw_reset(bp, params->port);
  8733. bnx2x_wait_reset_complete(bp, phy, params);
  8734. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8735. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8736. }
  8737. #define PHY84833_CMDHDLR_WAIT 300
  8738. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8739. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8740. struct link_params *params, u16 fw_cmd,
  8741. u16 cmd_args[], int argc)
  8742. {
  8743. int idx;
  8744. u16 val;
  8745. struct bnx2x *bp = params->bp;
  8746. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8747. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8748. MDIO_84833_CMD_HDLR_STATUS,
  8749. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8750. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8751. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8752. MDIO_84833_CMD_HDLR_STATUS, &val);
  8753. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8754. break;
  8755. usleep_range(1000, 2000);
  8756. }
  8757. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8758. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8759. return -EINVAL;
  8760. }
  8761. /* Prepare argument(s) and issue command */
  8762. for (idx = 0; idx < argc; idx++) {
  8763. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8764. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8765. cmd_args[idx]);
  8766. }
  8767. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8768. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8769. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8770. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8771. MDIO_84833_CMD_HDLR_STATUS, &val);
  8772. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8773. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8774. break;
  8775. usleep_range(1000, 2000);
  8776. }
  8777. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8778. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8779. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8780. return -EINVAL;
  8781. }
  8782. /* Gather returning data */
  8783. for (idx = 0; idx < argc; idx++) {
  8784. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8785. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8786. &cmd_args[idx]);
  8787. }
  8788. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8789. MDIO_84833_CMD_HDLR_STATUS,
  8790. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8791. return 0;
  8792. }
  8793. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8794. struct link_params *params,
  8795. struct link_vars *vars)
  8796. {
  8797. u32 pair_swap;
  8798. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8799. int status;
  8800. struct bnx2x *bp = params->bp;
  8801. /* Check for configuration. */
  8802. pair_swap = REG_RD(bp, params->shmem_base +
  8803. offsetof(struct shmem_region,
  8804. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8805. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8806. if (pair_swap == 0)
  8807. return 0;
  8808. /* Only the second argument is used for this command */
  8809. data[1] = (u16)pair_swap;
  8810. status = bnx2x_84833_cmd_hdlr(phy, params,
  8811. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8812. if (status == 0)
  8813. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8814. return status;
  8815. }
  8816. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8817. u32 shmem_base_path[],
  8818. u32 chip_id)
  8819. {
  8820. u32 reset_pin[2];
  8821. u32 idx;
  8822. u8 reset_gpios;
  8823. if (CHIP_IS_E3(bp)) {
  8824. /* Assume that these will be GPIOs, not EPIOs. */
  8825. for (idx = 0; idx < 2; idx++) {
  8826. /* Map config param to register bit. */
  8827. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8828. offsetof(struct shmem_region,
  8829. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8830. reset_pin[idx] = (reset_pin[idx] &
  8831. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8832. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8833. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8834. reset_pin[idx] = (1 << reset_pin[idx]);
  8835. }
  8836. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8837. } else {
  8838. /* E2, look from diff place of shmem. */
  8839. for (idx = 0; idx < 2; idx++) {
  8840. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8841. offsetof(struct shmem_region,
  8842. dev_info.port_hw_config[0].default_cfg));
  8843. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8844. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8845. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8846. reset_pin[idx] = (1 << reset_pin[idx]);
  8847. }
  8848. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8849. }
  8850. return reset_gpios;
  8851. }
  8852. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8853. struct link_params *params)
  8854. {
  8855. struct bnx2x *bp = params->bp;
  8856. u8 reset_gpios;
  8857. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8858. offsetof(struct shmem2_region,
  8859. other_shmem_base_addr));
  8860. u32 shmem_base_path[2];
  8861. /* Work around for 84833 LED failure inside RESET status */
  8862. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8863. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8864. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8865. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8866. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8867. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8868. shmem_base_path[0] = params->shmem_base;
  8869. shmem_base_path[1] = other_shmem_base_addr;
  8870. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8871. params->chip_id);
  8872. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8873. udelay(10);
  8874. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8875. reset_gpios);
  8876. return 0;
  8877. }
  8878. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8879. struct link_params *params,
  8880. struct link_vars *vars)
  8881. {
  8882. int rc;
  8883. struct bnx2x *bp = params->bp;
  8884. u16 cmd_args = 0;
  8885. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8886. /* Prevent Phy from working in EEE and advertising it */
  8887. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8888. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8889. if (rc) {
  8890. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8891. return rc;
  8892. }
  8893. return bnx2x_eee_disable(phy, params, vars);
  8894. }
  8895. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8896. struct link_params *params,
  8897. struct link_vars *vars)
  8898. {
  8899. int rc;
  8900. struct bnx2x *bp = params->bp;
  8901. u16 cmd_args = 1;
  8902. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8903. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8904. if (rc) {
  8905. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8906. return rc;
  8907. }
  8908. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8909. }
  8910. #define PHY84833_CONSTANT_LATENCY 1193
  8911. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8912. struct link_params *params,
  8913. struct link_vars *vars)
  8914. {
  8915. struct bnx2x *bp = params->bp;
  8916. u8 port, initialize = 1;
  8917. u16 val;
  8918. u32 actual_phy_selection;
  8919. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8920. int rc = 0;
  8921. usleep_range(1000, 2000);
  8922. if (!(CHIP_IS_E1x(bp)))
  8923. port = BP_PATH(bp);
  8924. else
  8925. port = params->port;
  8926. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8927. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8928. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8929. port);
  8930. } else {
  8931. /* MDIO reset */
  8932. bnx2x_cl45_write(bp, phy,
  8933. MDIO_PMA_DEVAD,
  8934. MDIO_PMA_REG_CTRL, 0x8000);
  8935. }
  8936. bnx2x_wait_reset_complete(bp, phy, params);
  8937. /* Wait for GPHY to come out of reset */
  8938. msleep(50);
  8939. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8940. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8941. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8942. * behavior.
  8943. */
  8944. u16 temp;
  8945. temp = vars->line_speed;
  8946. vars->line_speed = SPEED_10000;
  8947. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8948. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8949. vars->line_speed = temp;
  8950. }
  8951. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8952. MDIO_CTL_REG_84823_MEDIA, &val);
  8953. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8954. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8955. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8956. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8957. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8958. if (CHIP_IS_E3(bp)) {
  8959. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8960. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8961. } else {
  8962. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8963. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8964. }
  8965. actual_phy_selection = bnx2x_phy_selection(params);
  8966. switch (actual_phy_selection) {
  8967. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8968. /* Do nothing. Essentially this is like the priority copper */
  8969. break;
  8970. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8971. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8972. break;
  8973. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8974. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8975. break;
  8976. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8977. /* Do nothing here. The first PHY won't be initialized at all */
  8978. break;
  8979. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8980. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8981. initialize = 0;
  8982. break;
  8983. }
  8984. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8985. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8986. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8987. MDIO_CTL_REG_84823_MEDIA, val);
  8988. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8989. params->multi_phy_config, val);
  8990. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8991. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8992. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8993. /* Keep AutogrEEEn disabled. */
  8994. cmd_args[0] = 0x0;
  8995. cmd_args[1] = 0x0;
  8996. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8997. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8998. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8999. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  9000. PHY84833_CMDHDLR_MAX_ARGS);
  9001. if (rc)
  9002. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  9003. }
  9004. if (initialize)
  9005. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  9006. else
  9007. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  9008. /* 84833 PHY has a better feature and doesn't need to support this. */
  9009. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9010. u32 cms_enable = REG_RD(bp, params->shmem_base +
  9011. offsetof(struct shmem_region,
  9012. dev_info.port_hw_config[params->port].default_cfg)) &
  9013. PORT_HW_CFG_ENABLE_CMS_MASK;
  9014. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9015. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  9016. if (cms_enable)
  9017. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9018. else
  9019. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  9020. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  9021. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  9022. }
  9023. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  9024. MDIO_84833_TOP_CFG_FW_REV, &val);
  9025. /* Configure EEE support */
  9026. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  9027. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  9028. bnx2x_eee_has_cap(params)) {
  9029. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  9030. if (rc) {
  9031. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9032. bnx2x_8483x_disable_eee(phy, params, vars);
  9033. return rc;
  9034. }
  9035. if ((phy->req_duplex == DUPLEX_FULL) &&
  9036. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  9037. (bnx2x_eee_calc_timer(params) ||
  9038. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  9039. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  9040. else
  9041. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9042. if (rc) {
  9043. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9044. return rc;
  9045. }
  9046. } else {
  9047. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9048. }
  9049. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9050. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9051. /* Bring PHY out of super isolate mode as the final step. */
  9052. bnx2x_cl45_read_and_write(bp, phy,
  9053. MDIO_CTL_DEVAD,
  9054. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9055. (u16)~MDIO_84833_SUPER_ISOLATE);
  9056. }
  9057. return rc;
  9058. }
  9059. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9060. struct link_params *params,
  9061. struct link_vars *vars)
  9062. {
  9063. struct bnx2x *bp = params->bp;
  9064. u16 val, val1, val2;
  9065. u8 link_up = 0;
  9066. /* Check 10G-BaseT link status */
  9067. /* Check PMD signal ok */
  9068. bnx2x_cl45_read(bp, phy,
  9069. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9070. bnx2x_cl45_read(bp, phy,
  9071. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9072. &val2);
  9073. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9074. /* Check link 10G */
  9075. if (val2 & (1<<11)) {
  9076. vars->line_speed = SPEED_10000;
  9077. vars->duplex = DUPLEX_FULL;
  9078. link_up = 1;
  9079. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9080. } else { /* Check Legacy speed link */
  9081. u16 legacy_status, legacy_speed;
  9082. /* Enable expansion register 0x42 (Operation mode status) */
  9083. bnx2x_cl45_write(bp, phy,
  9084. MDIO_AN_DEVAD,
  9085. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9086. /* Get legacy speed operation status */
  9087. bnx2x_cl45_read(bp, phy,
  9088. MDIO_AN_DEVAD,
  9089. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9090. &legacy_status);
  9091. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9092. legacy_status);
  9093. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9094. legacy_speed = (legacy_status & (3<<9));
  9095. if (legacy_speed == (0<<9))
  9096. vars->line_speed = SPEED_10;
  9097. else if (legacy_speed == (1<<9))
  9098. vars->line_speed = SPEED_100;
  9099. else if (legacy_speed == (2<<9))
  9100. vars->line_speed = SPEED_1000;
  9101. else { /* Should not happen: Treat as link down */
  9102. vars->line_speed = 0;
  9103. link_up = 0;
  9104. }
  9105. if (link_up) {
  9106. if (legacy_status & (1<<8))
  9107. vars->duplex = DUPLEX_FULL;
  9108. else
  9109. vars->duplex = DUPLEX_HALF;
  9110. DP(NETIF_MSG_LINK,
  9111. "Link is up in %dMbps, is_duplex_full= %d\n",
  9112. vars->line_speed,
  9113. (vars->duplex == DUPLEX_FULL));
  9114. /* Check legacy speed AN resolution */
  9115. bnx2x_cl45_read(bp, phy,
  9116. MDIO_AN_DEVAD,
  9117. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9118. &val);
  9119. if (val & (1<<5))
  9120. vars->link_status |=
  9121. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9122. bnx2x_cl45_read(bp, phy,
  9123. MDIO_AN_DEVAD,
  9124. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9125. &val);
  9126. if ((val & (1<<0)) == 0)
  9127. vars->link_status |=
  9128. LINK_STATUS_PARALLEL_DETECTION_USED;
  9129. }
  9130. }
  9131. if (link_up) {
  9132. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9133. vars->line_speed);
  9134. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9135. /* Read LP advertised speeds */
  9136. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9137. MDIO_AN_REG_CL37_FC_LP, &val);
  9138. if (val & (1<<5))
  9139. vars->link_status |=
  9140. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9141. if (val & (1<<6))
  9142. vars->link_status |=
  9143. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9144. if (val & (1<<7))
  9145. vars->link_status |=
  9146. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9147. if (val & (1<<8))
  9148. vars->link_status |=
  9149. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9150. if (val & (1<<9))
  9151. vars->link_status |=
  9152. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9153. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9154. MDIO_AN_REG_1000T_STATUS, &val);
  9155. if (val & (1<<10))
  9156. vars->link_status |=
  9157. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9158. if (val & (1<<11))
  9159. vars->link_status |=
  9160. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9161. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9162. MDIO_AN_REG_MASTER_STATUS, &val);
  9163. if (val & (1<<11))
  9164. vars->link_status |=
  9165. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9166. /* Determine if EEE was negotiated */
  9167. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9168. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9169. bnx2x_eee_an_resolve(phy, params, vars);
  9170. }
  9171. return link_up;
  9172. }
  9173. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9174. {
  9175. int status = 0;
  9176. u32 spirom_ver;
  9177. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9178. status = bnx2x_format_ver(spirom_ver, str, len);
  9179. return status;
  9180. }
  9181. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9182. struct link_params *params)
  9183. {
  9184. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9185. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9186. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9187. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9188. }
  9189. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9190. struct link_params *params)
  9191. {
  9192. bnx2x_cl45_write(params->bp, phy,
  9193. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9194. bnx2x_cl45_write(params->bp, phy,
  9195. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9196. }
  9197. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9198. struct link_params *params)
  9199. {
  9200. struct bnx2x *bp = params->bp;
  9201. u8 port;
  9202. u16 val16;
  9203. if (!(CHIP_IS_E1x(bp)))
  9204. port = BP_PATH(bp);
  9205. else
  9206. port = params->port;
  9207. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9208. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9209. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9210. port);
  9211. } else {
  9212. bnx2x_cl45_read(bp, phy,
  9213. MDIO_CTL_DEVAD,
  9214. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9215. val16 |= MDIO_84833_SUPER_ISOLATE;
  9216. bnx2x_cl45_write(bp, phy,
  9217. MDIO_CTL_DEVAD,
  9218. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9219. }
  9220. }
  9221. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9222. struct link_params *params, u8 mode)
  9223. {
  9224. struct bnx2x *bp = params->bp;
  9225. u16 val;
  9226. u8 port;
  9227. if (!(CHIP_IS_E1x(bp)))
  9228. port = BP_PATH(bp);
  9229. else
  9230. port = params->port;
  9231. switch (mode) {
  9232. case LED_MODE_OFF:
  9233. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9234. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9235. SHARED_HW_CFG_LED_EXTPHY1) {
  9236. /* Set LED masks */
  9237. bnx2x_cl45_write(bp, phy,
  9238. MDIO_PMA_DEVAD,
  9239. MDIO_PMA_REG_8481_LED1_MASK,
  9240. 0x0);
  9241. bnx2x_cl45_write(bp, phy,
  9242. MDIO_PMA_DEVAD,
  9243. MDIO_PMA_REG_8481_LED2_MASK,
  9244. 0x0);
  9245. bnx2x_cl45_write(bp, phy,
  9246. MDIO_PMA_DEVAD,
  9247. MDIO_PMA_REG_8481_LED3_MASK,
  9248. 0x0);
  9249. bnx2x_cl45_write(bp, phy,
  9250. MDIO_PMA_DEVAD,
  9251. MDIO_PMA_REG_8481_LED5_MASK,
  9252. 0x0);
  9253. } else {
  9254. bnx2x_cl45_write(bp, phy,
  9255. MDIO_PMA_DEVAD,
  9256. MDIO_PMA_REG_8481_LED1_MASK,
  9257. 0x0);
  9258. }
  9259. break;
  9260. case LED_MODE_FRONT_PANEL_OFF:
  9261. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9262. port);
  9263. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9264. SHARED_HW_CFG_LED_EXTPHY1) {
  9265. /* Set LED masks */
  9266. bnx2x_cl45_write(bp, phy,
  9267. MDIO_PMA_DEVAD,
  9268. MDIO_PMA_REG_8481_LED1_MASK,
  9269. 0x0);
  9270. bnx2x_cl45_write(bp, phy,
  9271. MDIO_PMA_DEVAD,
  9272. MDIO_PMA_REG_8481_LED2_MASK,
  9273. 0x0);
  9274. bnx2x_cl45_write(bp, phy,
  9275. MDIO_PMA_DEVAD,
  9276. MDIO_PMA_REG_8481_LED3_MASK,
  9277. 0x0);
  9278. bnx2x_cl45_write(bp, phy,
  9279. MDIO_PMA_DEVAD,
  9280. MDIO_PMA_REG_8481_LED5_MASK,
  9281. 0x20);
  9282. } else {
  9283. bnx2x_cl45_write(bp, phy,
  9284. MDIO_PMA_DEVAD,
  9285. MDIO_PMA_REG_8481_LED1_MASK,
  9286. 0x0);
  9287. if (phy->type ==
  9288. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9289. /* Disable MI_INT interrupt before setting LED4
  9290. * source to constant off.
  9291. */
  9292. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9293. params->port*4) &
  9294. NIG_MASK_MI_INT) {
  9295. params->link_flags |=
  9296. LINK_FLAGS_INT_DISABLED;
  9297. bnx2x_bits_dis(
  9298. bp,
  9299. NIG_REG_MASK_INTERRUPT_PORT0 +
  9300. params->port*4,
  9301. NIG_MASK_MI_INT);
  9302. }
  9303. bnx2x_cl45_write(bp, phy,
  9304. MDIO_PMA_DEVAD,
  9305. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9306. 0x0);
  9307. }
  9308. }
  9309. break;
  9310. case LED_MODE_ON:
  9311. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9312. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9313. SHARED_HW_CFG_LED_EXTPHY1) {
  9314. /* Set control reg */
  9315. bnx2x_cl45_read(bp, phy,
  9316. MDIO_PMA_DEVAD,
  9317. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9318. &val);
  9319. val &= 0x8000;
  9320. val |= 0x2492;
  9321. bnx2x_cl45_write(bp, phy,
  9322. MDIO_PMA_DEVAD,
  9323. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9324. val);
  9325. /* Set LED masks */
  9326. bnx2x_cl45_write(bp, phy,
  9327. MDIO_PMA_DEVAD,
  9328. MDIO_PMA_REG_8481_LED1_MASK,
  9329. 0x0);
  9330. bnx2x_cl45_write(bp, phy,
  9331. MDIO_PMA_DEVAD,
  9332. MDIO_PMA_REG_8481_LED2_MASK,
  9333. 0x20);
  9334. bnx2x_cl45_write(bp, phy,
  9335. MDIO_PMA_DEVAD,
  9336. MDIO_PMA_REG_8481_LED3_MASK,
  9337. 0x20);
  9338. bnx2x_cl45_write(bp, phy,
  9339. MDIO_PMA_DEVAD,
  9340. MDIO_PMA_REG_8481_LED5_MASK,
  9341. 0x0);
  9342. } else {
  9343. bnx2x_cl45_write(bp, phy,
  9344. MDIO_PMA_DEVAD,
  9345. MDIO_PMA_REG_8481_LED1_MASK,
  9346. 0x20);
  9347. if (phy->type ==
  9348. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9349. /* Disable MI_INT interrupt before setting LED4
  9350. * source to constant on.
  9351. */
  9352. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9353. params->port*4) &
  9354. NIG_MASK_MI_INT) {
  9355. params->link_flags |=
  9356. LINK_FLAGS_INT_DISABLED;
  9357. bnx2x_bits_dis(
  9358. bp,
  9359. NIG_REG_MASK_INTERRUPT_PORT0 +
  9360. params->port*4,
  9361. NIG_MASK_MI_INT);
  9362. }
  9363. bnx2x_cl45_write(bp, phy,
  9364. MDIO_PMA_DEVAD,
  9365. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9366. 0x20);
  9367. }
  9368. }
  9369. break;
  9370. case LED_MODE_OPER:
  9371. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9372. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9373. SHARED_HW_CFG_LED_EXTPHY1) {
  9374. /* Set control reg */
  9375. bnx2x_cl45_read(bp, phy,
  9376. MDIO_PMA_DEVAD,
  9377. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9378. &val);
  9379. if (!((val &
  9380. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9381. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9382. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9383. bnx2x_cl45_write(bp, phy,
  9384. MDIO_PMA_DEVAD,
  9385. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9386. 0xa492);
  9387. }
  9388. /* Set LED masks */
  9389. bnx2x_cl45_write(bp, phy,
  9390. MDIO_PMA_DEVAD,
  9391. MDIO_PMA_REG_8481_LED1_MASK,
  9392. 0x10);
  9393. bnx2x_cl45_write(bp, phy,
  9394. MDIO_PMA_DEVAD,
  9395. MDIO_PMA_REG_8481_LED2_MASK,
  9396. 0x80);
  9397. bnx2x_cl45_write(bp, phy,
  9398. MDIO_PMA_DEVAD,
  9399. MDIO_PMA_REG_8481_LED3_MASK,
  9400. 0x98);
  9401. bnx2x_cl45_write(bp, phy,
  9402. MDIO_PMA_DEVAD,
  9403. MDIO_PMA_REG_8481_LED5_MASK,
  9404. 0x40);
  9405. } else {
  9406. /* EXTPHY2 LED mode indicate that the 100M/1G/10G LED
  9407. * sources are all wired through LED1, rather than only
  9408. * 10G in other modes.
  9409. */
  9410. val = ((params->hw_led_mode <<
  9411. SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9412. SHARED_HW_CFG_LED_EXTPHY2) ? 0x98 : 0x80;
  9413. bnx2x_cl45_write(bp, phy,
  9414. MDIO_PMA_DEVAD,
  9415. MDIO_PMA_REG_8481_LED1_MASK,
  9416. val);
  9417. /* Tell LED3 to blink on source */
  9418. bnx2x_cl45_read(bp, phy,
  9419. MDIO_PMA_DEVAD,
  9420. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9421. &val);
  9422. val &= ~(7<<6);
  9423. val |= (1<<6); /* A83B[8:6]= 1 */
  9424. bnx2x_cl45_write(bp, phy,
  9425. MDIO_PMA_DEVAD,
  9426. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9427. val);
  9428. if (phy->type ==
  9429. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9430. /* Restore LED4 source to external link,
  9431. * and re-enable interrupts.
  9432. */
  9433. bnx2x_cl45_write(bp, phy,
  9434. MDIO_PMA_DEVAD,
  9435. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9436. 0x40);
  9437. if (params->link_flags &
  9438. LINK_FLAGS_INT_DISABLED) {
  9439. bnx2x_link_int_enable(params);
  9440. params->link_flags &=
  9441. ~LINK_FLAGS_INT_DISABLED;
  9442. }
  9443. }
  9444. }
  9445. break;
  9446. }
  9447. /* This is a workaround for E3+84833 until autoneg
  9448. * restart is fixed in f/w
  9449. */
  9450. if (CHIP_IS_E3(bp)) {
  9451. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9452. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9453. }
  9454. }
  9455. /******************************************************************/
  9456. /* 54618SE PHY SECTION */
  9457. /******************************************************************/
  9458. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9459. struct link_params *params,
  9460. u32 action)
  9461. {
  9462. struct bnx2x *bp = params->bp;
  9463. u16 temp;
  9464. switch (action) {
  9465. case PHY_INIT:
  9466. /* Configure LED4: set to INTR (0x6). */
  9467. /* Accessing shadow register 0xe. */
  9468. bnx2x_cl22_write(bp, phy,
  9469. MDIO_REG_GPHY_SHADOW,
  9470. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9471. bnx2x_cl22_read(bp, phy,
  9472. MDIO_REG_GPHY_SHADOW,
  9473. &temp);
  9474. temp &= ~(0xf << 4);
  9475. temp |= (0x6 << 4);
  9476. bnx2x_cl22_write(bp, phy,
  9477. MDIO_REG_GPHY_SHADOW,
  9478. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9479. /* Configure INTR based on link status change. */
  9480. bnx2x_cl22_write(bp, phy,
  9481. MDIO_REG_INTR_MASK,
  9482. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9483. break;
  9484. }
  9485. }
  9486. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9487. struct link_params *params,
  9488. struct link_vars *vars)
  9489. {
  9490. struct bnx2x *bp = params->bp;
  9491. u8 port;
  9492. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9493. u32 cfg_pin;
  9494. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9495. usleep_range(1000, 2000);
  9496. /* This works with E3 only, no need to check the chip
  9497. * before determining the port.
  9498. */
  9499. port = params->port;
  9500. cfg_pin = (REG_RD(bp, params->shmem_base +
  9501. offsetof(struct shmem_region,
  9502. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9503. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9504. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9505. /* Drive pin high to bring the GPHY out of reset. */
  9506. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9507. /* wait for GPHY to reset */
  9508. msleep(50);
  9509. /* reset phy */
  9510. bnx2x_cl22_write(bp, phy,
  9511. MDIO_PMA_REG_CTRL, 0x8000);
  9512. bnx2x_wait_reset_complete(bp, phy, params);
  9513. /* Wait for GPHY to reset */
  9514. msleep(50);
  9515. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9516. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9517. bnx2x_cl22_write(bp, phy,
  9518. MDIO_REG_GPHY_SHADOW,
  9519. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9520. bnx2x_cl22_read(bp, phy,
  9521. MDIO_REG_GPHY_SHADOW,
  9522. &temp);
  9523. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9524. bnx2x_cl22_write(bp, phy,
  9525. MDIO_REG_GPHY_SHADOW,
  9526. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9527. /* Set up fc */
  9528. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9529. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9530. fc_val = 0;
  9531. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9532. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9533. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9534. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9535. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9536. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9537. /* Read all advertisement */
  9538. bnx2x_cl22_read(bp, phy,
  9539. 0x09,
  9540. &an_1000_val);
  9541. bnx2x_cl22_read(bp, phy,
  9542. 0x04,
  9543. &an_10_100_val);
  9544. bnx2x_cl22_read(bp, phy,
  9545. MDIO_PMA_REG_CTRL,
  9546. &autoneg_val);
  9547. /* Disable forced speed */
  9548. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9549. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9550. (1<<11));
  9551. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9552. (phy->speed_cap_mask &
  9553. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9554. (phy->req_line_speed == SPEED_1000)) {
  9555. an_1000_val |= (1<<8);
  9556. autoneg_val |= (1<<9 | 1<<12);
  9557. if (phy->req_duplex == DUPLEX_FULL)
  9558. an_1000_val |= (1<<9);
  9559. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9560. } else
  9561. an_1000_val &= ~((1<<8) | (1<<9));
  9562. bnx2x_cl22_write(bp, phy,
  9563. 0x09,
  9564. an_1000_val);
  9565. bnx2x_cl22_read(bp, phy,
  9566. 0x09,
  9567. &an_1000_val);
  9568. /* Set 100 speed advertisement */
  9569. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9570. (phy->speed_cap_mask &
  9571. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9572. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9573. an_10_100_val |= (1<<7);
  9574. /* Enable autoneg and restart autoneg for legacy speeds */
  9575. autoneg_val |= (1<<9 | 1<<12);
  9576. if (phy->req_duplex == DUPLEX_FULL)
  9577. an_10_100_val |= (1<<8);
  9578. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9579. }
  9580. /* Set 10 speed advertisement */
  9581. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9582. (phy->speed_cap_mask &
  9583. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9584. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9585. an_10_100_val |= (1<<5);
  9586. autoneg_val |= (1<<9 | 1<<12);
  9587. if (phy->req_duplex == DUPLEX_FULL)
  9588. an_10_100_val |= (1<<6);
  9589. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9590. }
  9591. /* Only 10/100 are allowed to work in FORCE mode */
  9592. if (phy->req_line_speed == SPEED_100) {
  9593. autoneg_val |= (1<<13);
  9594. /* Enabled AUTO-MDIX when autoneg is disabled */
  9595. bnx2x_cl22_write(bp, phy,
  9596. 0x18,
  9597. (1<<15 | 1<<9 | 7<<0));
  9598. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9599. }
  9600. if (phy->req_line_speed == SPEED_10) {
  9601. /* Enabled AUTO-MDIX when autoneg is disabled */
  9602. bnx2x_cl22_write(bp, phy,
  9603. 0x18,
  9604. (1<<15 | 1<<9 | 7<<0));
  9605. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9606. }
  9607. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9608. int rc;
  9609. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9610. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9611. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9612. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9613. temp &= 0xfffe;
  9614. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9615. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9616. if (rc) {
  9617. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9618. bnx2x_eee_disable(phy, params, vars);
  9619. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9620. (phy->req_duplex == DUPLEX_FULL) &&
  9621. (bnx2x_eee_calc_timer(params) ||
  9622. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9623. /* Need to advertise EEE only when requested,
  9624. * and either no LPI assertion was requested,
  9625. * or it was requested and a valid timer was set.
  9626. * Also notice full duplex is required for EEE.
  9627. */
  9628. bnx2x_eee_advertise(phy, params, vars,
  9629. SHMEM_EEE_1G_ADV);
  9630. } else {
  9631. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9632. bnx2x_eee_disable(phy, params, vars);
  9633. }
  9634. } else {
  9635. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9636. SHMEM_EEE_SUPPORTED_SHIFT;
  9637. if (phy->flags & FLAGS_EEE) {
  9638. /* Handle legacy auto-grEEEn */
  9639. if (params->feature_config_flags &
  9640. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9641. temp = 6;
  9642. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9643. } else {
  9644. temp = 0;
  9645. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9646. }
  9647. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9648. MDIO_AN_REG_EEE_ADV, temp);
  9649. }
  9650. }
  9651. bnx2x_cl22_write(bp, phy,
  9652. 0x04,
  9653. an_10_100_val | fc_val);
  9654. if (phy->req_duplex == DUPLEX_FULL)
  9655. autoneg_val |= (1<<8);
  9656. bnx2x_cl22_write(bp, phy,
  9657. MDIO_PMA_REG_CTRL, autoneg_val);
  9658. return 0;
  9659. }
  9660. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9661. struct link_params *params, u8 mode)
  9662. {
  9663. struct bnx2x *bp = params->bp;
  9664. u16 temp;
  9665. bnx2x_cl22_write(bp, phy,
  9666. MDIO_REG_GPHY_SHADOW,
  9667. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9668. bnx2x_cl22_read(bp, phy,
  9669. MDIO_REG_GPHY_SHADOW,
  9670. &temp);
  9671. temp &= 0xff00;
  9672. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9673. switch (mode) {
  9674. case LED_MODE_FRONT_PANEL_OFF:
  9675. case LED_MODE_OFF:
  9676. temp |= 0x00ee;
  9677. break;
  9678. case LED_MODE_OPER:
  9679. temp |= 0x0001;
  9680. break;
  9681. case LED_MODE_ON:
  9682. temp |= 0x00ff;
  9683. break;
  9684. default:
  9685. break;
  9686. }
  9687. bnx2x_cl22_write(bp, phy,
  9688. MDIO_REG_GPHY_SHADOW,
  9689. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9690. return;
  9691. }
  9692. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9693. struct link_params *params)
  9694. {
  9695. struct bnx2x *bp = params->bp;
  9696. u32 cfg_pin;
  9697. u8 port;
  9698. /* In case of no EPIO routed to reset the GPHY, put it
  9699. * in low power mode.
  9700. */
  9701. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9702. /* This works with E3 only, no need to check the chip
  9703. * before determining the port.
  9704. */
  9705. port = params->port;
  9706. cfg_pin = (REG_RD(bp, params->shmem_base +
  9707. offsetof(struct shmem_region,
  9708. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9709. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9710. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9711. /* Drive pin low to put GPHY in reset. */
  9712. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9713. }
  9714. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9715. struct link_params *params,
  9716. struct link_vars *vars)
  9717. {
  9718. struct bnx2x *bp = params->bp;
  9719. u16 val;
  9720. u8 link_up = 0;
  9721. u16 legacy_status, legacy_speed;
  9722. /* Get speed operation status */
  9723. bnx2x_cl22_read(bp, phy,
  9724. MDIO_REG_GPHY_AUX_STATUS,
  9725. &legacy_status);
  9726. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9727. /* Read status to clear the PHY interrupt. */
  9728. bnx2x_cl22_read(bp, phy,
  9729. MDIO_REG_INTR_STATUS,
  9730. &val);
  9731. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9732. if (link_up) {
  9733. legacy_speed = (legacy_status & (7<<8));
  9734. if (legacy_speed == (7<<8)) {
  9735. vars->line_speed = SPEED_1000;
  9736. vars->duplex = DUPLEX_FULL;
  9737. } else if (legacy_speed == (6<<8)) {
  9738. vars->line_speed = SPEED_1000;
  9739. vars->duplex = DUPLEX_HALF;
  9740. } else if (legacy_speed == (5<<8)) {
  9741. vars->line_speed = SPEED_100;
  9742. vars->duplex = DUPLEX_FULL;
  9743. }
  9744. /* Omitting 100Base-T4 for now */
  9745. else if (legacy_speed == (3<<8)) {
  9746. vars->line_speed = SPEED_100;
  9747. vars->duplex = DUPLEX_HALF;
  9748. } else if (legacy_speed == (2<<8)) {
  9749. vars->line_speed = SPEED_10;
  9750. vars->duplex = DUPLEX_FULL;
  9751. } else if (legacy_speed == (1<<8)) {
  9752. vars->line_speed = SPEED_10;
  9753. vars->duplex = DUPLEX_HALF;
  9754. } else /* Should not happen */
  9755. vars->line_speed = 0;
  9756. DP(NETIF_MSG_LINK,
  9757. "Link is up in %dMbps, is_duplex_full= %d\n",
  9758. vars->line_speed,
  9759. (vars->duplex == DUPLEX_FULL));
  9760. /* Check legacy speed AN resolution */
  9761. bnx2x_cl22_read(bp, phy,
  9762. 0x01,
  9763. &val);
  9764. if (val & (1<<5))
  9765. vars->link_status |=
  9766. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9767. bnx2x_cl22_read(bp, phy,
  9768. 0x06,
  9769. &val);
  9770. if ((val & (1<<0)) == 0)
  9771. vars->link_status |=
  9772. LINK_STATUS_PARALLEL_DETECTION_USED;
  9773. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9774. vars->line_speed);
  9775. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9776. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9777. /* Report LP advertised speeds */
  9778. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9779. if (val & (1<<5))
  9780. vars->link_status |=
  9781. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9782. if (val & (1<<6))
  9783. vars->link_status |=
  9784. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9785. if (val & (1<<7))
  9786. vars->link_status |=
  9787. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9788. if (val & (1<<8))
  9789. vars->link_status |=
  9790. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9791. if (val & (1<<9))
  9792. vars->link_status |=
  9793. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9794. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9795. if (val & (1<<10))
  9796. vars->link_status |=
  9797. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9798. if (val & (1<<11))
  9799. vars->link_status |=
  9800. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9801. if ((phy->flags & FLAGS_EEE) &&
  9802. bnx2x_eee_has_cap(params))
  9803. bnx2x_eee_an_resolve(phy, params, vars);
  9804. }
  9805. }
  9806. return link_up;
  9807. }
  9808. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9809. struct link_params *params)
  9810. {
  9811. struct bnx2x *bp = params->bp;
  9812. u16 val;
  9813. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9814. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9815. /* Enable master/slave manual mmode and set to master */
  9816. /* mii write 9 [bits set 11 12] */
  9817. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9818. /* forced 1G and disable autoneg */
  9819. /* set val [mii read 0] */
  9820. /* set val [expr $val & [bits clear 6 12 13]] */
  9821. /* set val [expr $val | [bits set 6 8]] */
  9822. /* mii write 0 $val */
  9823. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9824. val &= ~((1<<6) | (1<<12) | (1<<13));
  9825. val |= (1<<6) | (1<<8);
  9826. bnx2x_cl22_write(bp, phy, 0x00, val);
  9827. /* Set external loopback and Tx using 6dB coding */
  9828. /* mii write 0x18 7 */
  9829. /* set val [mii read 0x18] */
  9830. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9831. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9832. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9833. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9834. /* This register opens the gate for the UMAC despite its name */
  9835. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9836. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9837. * length used by the MAC receive logic to check frames.
  9838. */
  9839. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9840. }
  9841. /******************************************************************/
  9842. /* SFX7101 PHY SECTION */
  9843. /******************************************************************/
  9844. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9845. struct link_params *params)
  9846. {
  9847. struct bnx2x *bp = params->bp;
  9848. /* SFX7101_XGXS_TEST1 */
  9849. bnx2x_cl45_write(bp, phy,
  9850. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9851. }
  9852. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9853. struct link_params *params,
  9854. struct link_vars *vars)
  9855. {
  9856. u16 fw_ver1, fw_ver2, val;
  9857. struct bnx2x *bp = params->bp;
  9858. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9859. /* Restore normal power mode*/
  9860. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9861. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9862. /* HW reset */
  9863. bnx2x_ext_phy_hw_reset(bp, params->port);
  9864. bnx2x_wait_reset_complete(bp, phy, params);
  9865. bnx2x_cl45_write(bp, phy,
  9866. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9867. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9868. bnx2x_cl45_write(bp, phy,
  9869. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9870. bnx2x_ext_phy_set_pause(params, phy, vars);
  9871. /* Restart autoneg */
  9872. bnx2x_cl45_read(bp, phy,
  9873. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9874. val |= 0x200;
  9875. bnx2x_cl45_write(bp, phy,
  9876. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9877. /* Save spirom version */
  9878. bnx2x_cl45_read(bp, phy,
  9879. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9880. bnx2x_cl45_read(bp, phy,
  9881. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9882. bnx2x_save_spirom_version(bp, params->port,
  9883. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9884. return 0;
  9885. }
  9886. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9887. struct link_params *params,
  9888. struct link_vars *vars)
  9889. {
  9890. struct bnx2x *bp = params->bp;
  9891. u8 link_up;
  9892. u16 val1, val2;
  9893. bnx2x_cl45_read(bp, phy,
  9894. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9895. bnx2x_cl45_read(bp, phy,
  9896. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9897. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9898. val2, val1);
  9899. bnx2x_cl45_read(bp, phy,
  9900. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9901. bnx2x_cl45_read(bp, phy,
  9902. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9903. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9904. val2, val1);
  9905. link_up = ((val1 & 4) == 4);
  9906. /* If link is up print the AN outcome of the SFX7101 PHY */
  9907. if (link_up) {
  9908. bnx2x_cl45_read(bp, phy,
  9909. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9910. &val2);
  9911. vars->line_speed = SPEED_10000;
  9912. vars->duplex = DUPLEX_FULL;
  9913. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9914. val2, (val2 & (1<<14)));
  9915. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9916. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9917. /* Read LP advertised speeds */
  9918. if (val2 & (1<<11))
  9919. vars->link_status |=
  9920. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9921. }
  9922. return link_up;
  9923. }
  9924. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9925. {
  9926. if (*len < 5)
  9927. return -EINVAL;
  9928. str[0] = (spirom_ver & 0xFF);
  9929. str[1] = (spirom_ver & 0xFF00) >> 8;
  9930. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9931. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9932. str[4] = '\0';
  9933. *len -= 5;
  9934. return 0;
  9935. }
  9936. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9937. {
  9938. u16 val, cnt;
  9939. bnx2x_cl45_read(bp, phy,
  9940. MDIO_PMA_DEVAD,
  9941. MDIO_PMA_REG_7101_RESET, &val);
  9942. for (cnt = 0; cnt < 10; cnt++) {
  9943. msleep(50);
  9944. /* Writes a self-clearing reset */
  9945. bnx2x_cl45_write(bp, phy,
  9946. MDIO_PMA_DEVAD,
  9947. MDIO_PMA_REG_7101_RESET,
  9948. (val | (1<<15)));
  9949. /* Wait for clear */
  9950. bnx2x_cl45_read(bp, phy,
  9951. MDIO_PMA_DEVAD,
  9952. MDIO_PMA_REG_7101_RESET, &val);
  9953. if ((val & (1<<15)) == 0)
  9954. break;
  9955. }
  9956. }
  9957. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9958. struct link_params *params) {
  9959. /* Low power mode is controlled by GPIO 2 */
  9960. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9961. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9962. /* The PHY reset is controlled by GPIO 1 */
  9963. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9964. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9965. }
  9966. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9967. struct link_params *params, u8 mode)
  9968. {
  9969. u16 val = 0;
  9970. struct bnx2x *bp = params->bp;
  9971. switch (mode) {
  9972. case LED_MODE_FRONT_PANEL_OFF:
  9973. case LED_MODE_OFF:
  9974. val = 2;
  9975. break;
  9976. case LED_MODE_ON:
  9977. val = 1;
  9978. break;
  9979. case LED_MODE_OPER:
  9980. val = 0;
  9981. break;
  9982. }
  9983. bnx2x_cl45_write(bp, phy,
  9984. MDIO_PMA_DEVAD,
  9985. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9986. val);
  9987. }
  9988. /******************************************************************/
  9989. /* STATIC PHY DECLARATION */
  9990. /******************************************************************/
  9991. static const struct bnx2x_phy phy_null = {
  9992. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9993. .addr = 0,
  9994. .def_md_devad = 0,
  9995. .flags = FLAGS_INIT_XGXS_FIRST,
  9996. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9997. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9998. .mdio_ctrl = 0,
  9999. .supported = 0,
  10000. .media_type = ETH_PHY_NOT_PRESENT,
  10001. .ver_addr = 0,
  10002. .req_flow_ctrl = 0,
  10003. .req_line_speed = 0,
  10004. .speed_cap_mask = 0,
  10005. .req_duplex = 0,
  10006. .rsrv = 0,
  10007. .config_init = (config_init_t)NULL,
  10008. .read_status = (read_status_t)NULL,
  10009. .link_reset = (link_reset_t)NULL,
  10010. .config_loopback = (config_loopback_t)NULL,
  10011. .format_fw_ver = (format_fw_ver_t)NULL,
  10012. .hw_reset = (hw_reset_t)NULL,
  10013. .set_link_led = (set_link_led_t)NULL,
  10014. .phy_specific_func = (phy_specific_func_t)NULL
  10015. };
  10016. static const struct bnx2x_phy phy_serdes = {
  10017. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  10018. .addr = 0xff,
  10019. .def_md_devad = 0,
  10020. .flags = 0,
  10021. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10022. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10023. .mdio_ctrl = 0,
  10024. .supported = (SUPPORTED_10baseT_Half |
  10025. SUPPORTED_10baseT_Full |
  10026. SUPPORTED_100baseT_Half |
  10027. SUPPORTED_100baseT_Full |
  10028. SUPPORTED_1000baseT_Full |
  10029. SUPPORTED_2500baseX_Full |
  10030. SUPPORTED_TP |
  10031. SUPPORTED_Autoneg |
  10032. SUPPORTED_Pause |
  10033. SUPPORTED_Asym_Pause),
  10034. .media_type = ETH_PHY_BASE_T,
  10035. .ver_addr = 0,
  10036. .req_flow_ctrl = 0,
  10037. .req_line_speed = 0,
  10038. .speed_cap_mask = 0,
  10039. .req_duplex = 0,
  10040. .rsrv = 0,
  10041. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10042. .read_status = (read_status_t)bnx2x_link_settings_status,
  10043. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10044. .config_loopback = (config_loopback_t)NULL,
  10045. .format_fw_ver = (format_fw_ver_t)NULL,
  10046. .hw_reset = (hw_reset_t)NULL,
  10047. .set_link_led = (set_link_led_t)NULL,
  10048. .phy_specific_func = (phy_specific_func_t)NULL
  10049. };
  10050. static const struct bnx2x_phy phy_xgxs = {
  10051. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10052. .addr = 0xff,
  10053. .def_md_devad = 0,
  10054. .flags = 0,
  10055. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10056. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10057. .mdio_ctrl = 0,
  10058. .supported = (SUPPORTED_10baseT_Half |
  10059. SUPPORTED_10baseT_Full |
  10060. SUPPORTED_100baseT_Half |
  10061. SUPPORTED_100baseT_Full |
  10062. SUPPORTED_1000baseT_Full |
  10063. SUPPORTED_2500baseX_Full |
  10064. SUPPORTED_10000baseT_Full |
  10065. SUPPORTED_FIBRE |
  10066. SUPPORTED_Autoneg |
  10067. SUPPORTED_Pause |
  10068. SUPPORTED_Asym_Pause),
  10069. .media_type = ETH_PHY_CX4,
  10070. .ver_addr = 0,
  10071. .req_flow_ctrl = 0,
  10072. .req_line_speed = 0,
  10073. .speed_cap_mask = 0,
  10074. .req_duplex = 0,
  10075. .rsrv = 0,
  10076. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10077. .read_status = (read_status_t)bnx2x_link_settings_status,
  10078. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10079. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10080. .format_fw_ver = (format_fw_ver_t)NULL,
  10081. .hw_reset = (hw_reset_t)NULL,
  10082. .set_link_led = (set_link_led_t)NULL,
  10083. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10084. };
  10085. static const struct bnx2x_phy phy_warpcore = {
  10086. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10087. .addr = 0xff,
  10088. .def_md_devad = 0,
  10089. .flags = FLAGS_TX_ERROR_CHECK,
  10090. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10091. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10092. .mdio_ctrl = 0,
  10093. .supported = (SUPPORTED_10baseT_Half |
  10094. SUPPORTED_10baseT_Full |
  10095. SUPPORTED_100baseT_Half |
  10096. SUPPORTED_100baseT_Full |
  10097. SUPPORTED_1000baseT_Full |
  10098. SUPPORTED_10000baseT_Full |
  10099. SUPPORTED_20000baseKR2_Full |
  10100. SUPPORTED_20000baseMLD2_Full |
  10101. SUPPORTED_FIBRE |
  10102. SUPPORTED_Autoneg |
  10103. SUPPORTED_Pause |
  10104. SUPPORTED_Asym_Pause),
  10105. .media_type = ETH_PHY_UNSPECIFIED,
  10106. .ver_addr = 0,
  10107. .req_flow_ctrl = 0,
  10108. .req_line_speed = 0,
  10109. .speed_cap_mask = 0,
  10110. /* req_duplex = */0,
  10111. /* rsrv = */0,
  10112. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10113. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10114. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10115. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10116. .format_fw_ver = (format_fw_ver_t)NULL,
  10117. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10118. .set_link_led = (set_link_led_t)NULL,
  10119. .phy_specific_func = (phy_specific_func_t)NULL
  10120. };
  10121. static const struct bnx2x_phy phy_7101 = {
  10122. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10123. .addr = 0xff,
  10124. .def_md_devad = 0,
  10125. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10126. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10127. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10128. .mdio_ctrl = 0,
  10129. .supported = (SUPPORTED_10000baseT_Full |
  10130. SUPPORTED_TP |
  10131. SUPPORTED_Autoneg |
  10132. SUPPORTED_Pause |
  10133. SUPPORTED_Asym_Pause),
  10134. .media_type = ETH_PHY_BASE_T,
  10135. .ver_addr = 0,
  10136. .req_flow_ctrl = 0,
  10137. .req_line_speed = 0,
  10138. .speed_cap_mask = 0,
  10139. .req_duplex = 0,
  10140. .rsrv = 0,
  10141. .config_init = (config_init_t)bnx2x_7101_config_init,
  10142. .read_status = (read_status_t)bnx2x_7101_read_status,
  10143. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10144. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10145. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10146. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10147. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10148. .phy_specific_func = (phy_specific_func_t)NULL
  10149. };
  10150. static const struct bnx2x_phy phy_8073 = {
  10151. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10152. .addr = 0xff,
  10153. .def_md_devad = 0,
  10154. .flags = 0,
  10155. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10156. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10157. .mdio_ctrl = 0,
  10158. .supported = (SUPPORTED_10000baseT_Full |
  10159. SUPPORTED_2500baseX_Full |
  10160. SUPPORTED_1000baseT_Full |
  10161. SUPPORTED_FIBRE |
  10162. SUPPORTED_Autoneg |
  10163. SUPPORTED_Pause |
  10164. SUPPORTED_Asym_Pause),
  10165. .media_type = ETH_PHY_KR,
  10166. .ver_addr = 0,
  10167. .req_flow_ctrl = 0,
  10168. .req_line_speed = 0,
  10169. .speed_cap_mask = 0,
  10170. .req_duplex = 0,
  10171. .rsrv = 0,
  10172. .config_init = (config_init_t)bnx2x_8073_config_init,
  10173. .read_status = (read_status_t)bnx2x_8073_read_status,
  10174. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10175. .config_loopback = (config_loopback_t)NULL,
  10176. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10177. .hw_reset = (hw_reset_t)NULL,
  10178. .set_link_led = (set_link_led_t)NULL,
  10179. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10180. };
  10181. static const struct bnx2x_phy phy_8705 = {
  10182. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10183. .addr = 0xff,
  10184. .def_md_devad = 0,
  10185. .flags = FLAGS_INIT_XGXS_FIRST,
  10186. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10187. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10188. .mdio_ctrl = 0,
  10189. .supported = (SUPPORTED_10000baseT_Full |
  10190. SUPPORTED_FIBRE |
  10191. SUPPORTED_Pause |
  10192. SUPPORTED_Asym_Pause),
  10193. .media_type = ETH_PHY_XFP_FIBER,
  10194. .ver_addr = 0,
  10195. .req_flow_ctrl = 0,
  10196. .req_line_speed = 0,
  10197. .speed_cap_mask = 0,
  10198. .req_duplex = 0,
  10199. .rsrv = 0,
  10200. .config_init = (config_init_t)bnx2x_8705_config_init,
  10201. .read_status = (read_status_t)bnx2x_8705_read_status,
  10202. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10203. .config_loopback = (config_loopback_t)NULL,
  10204. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10205. .hw_reset = (hw_reset_t)NULL,
  10206. .set_link_led = (set_link_led_t)NULL,
  10207. .phy_specific_func = (phy_specific_func_t)NULL
  10208. };
  10209. static const struct bnx2x_phy phy_8706 = {
  10210. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10211. .addr = 0xff,
  10212. .def_md_devad = 0,
  10213. .flags = FLAGS_INIT_XGXS_FIRST,
  10214. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10215. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10216. .mdio_ctrl = 0,
  10217. .supported = (SUPPORTED_10000baseT_Full |
  10218. SUPPORTED_1000baseT_Full |
  10219. SUPPORTED_FIBRE |
  10220. SUPPORTED_Pause |
  10221. SUPPORTED_Asym_Pause),
  10222. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10223. .ver_addr = 0,
  10224. .req_flow_ctrl = 0,
  10225. .req_line_speed = 0,
  10226. .speed_cap_mask = 0,
  10227. .req_duplex = 0,
  10228. .rsrv = 0,
  10229. .config_init = (config_init_t)bnx2x_8706_config_init,
  10230. .read_status = (read_status_t)bnx2x_8706_read_status,
  10231. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10232. .config_loopback = (config_loopback_t)NULL,
  10233. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10234. .hw_reset = (hw_reset_t)NULL,
  10235. .set_link_led = (set_link_led_t)NULL,
  10236. .phy_specific_func = (phy_specific_func_t)NULL
  10237. };
  10238. static const struct bnx2x_phy phy_8726 = {
  10239. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10240. .addr = 0xff,
  10241. .def_md_devad = 0,
  10242. .flags = (FLAGS_INIT_XGXS_FIRST |
  10243. FLAGS_TX_ERROR_CHECK),
  10244. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10245. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10246. .mdio_ctrl = 0,
  10247. .supported = (SUPPORTED_10000baseT_Full |
  10248. SUPPORTED_1000baseT_Full |
  10249. SUPPORTED_Autoneg |
  10250. SUPPORTED_FIBRE |
  10251. SUPPORTED_Pause |
  10252. SUPPORTED_Asym_Pause),
  10253. .media_type = ETH_PHY_NOT_PRESENT,
  10254. .ver_addr = 0,
  10255. .req_flow_ctrl = 0,
  10256. .req_line_speed = 0,
  10257. .speed_cap_mask = 0,
  10258. .req_duplex = 0,
  10259. .rsrv = 0,
  10260. .config_init = (config_init_t)bnx2x_8726_config_init,
  10261. .read_status = (read_status_t)bnx2x_8726_read_status,
  10262. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10263. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10264. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10265. .hw_reset = (hw_reset_t)NULL,
  10266. .set_link_led = (set_link_led_t)NULL,
  10267. .phy_specific_func = (phy_specific_func_t)NULL
  10268. };
  10269. static const struct bnx2x_phy phy_8727 = {
  10270. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10271. .addr = 0xff,
  10272. .def_md_devad = 0,
  10273. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10274. FLAGS_TX_ERROR_CHECK),
  10275. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10276. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10277. .mdio_ctrl = 0,
  10278. .supported = (SUPPORTED_10000baseT_Full |
  10279. SUPPORTED_1000baseT_Full |
  10280. SUPPORTED_FIBRE |
  10281. SUPPORTED_Pause |
  10282. SUPPORTED_Asym_Pause),
  10283. .media_type = ETH_PHY_NOT_PRESENT,
  10284. .ver_addr = 0,
  10285. .req_flow_ctrl = 0,
  10286. .req_line_speed = 0,
  10287. .speed_cap_mask = 0,
  10288. .req_duplex = 0,
  10289. .rsrv = 0,
  10290. .config_init = (config_init_t)bnx2x_8727_config_init,
  10291. .read_status = (read_status_t)bnx2x_8727_read_status,
  10292. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10293. .config_loopback = (config_loopback_t)NULL,
  10294. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10295. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10296. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10297. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10298. };
  10299. static const struct bnx2x_phy phy_8481 = {
  10300. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10301. .addr = 0xff,
  10302. .def_md_devad = 0,
  10303. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10304. FLAGS_REARM_LATCH_SIGNAL,
  10305. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10306. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10307. .mdio_ctrl = 0,
  10308. .supported = (SUPPORTED_10baseT_Half |
  10309. SUPPORTED_10baseT_Full |
  10310. SUPPORTED_100baseT_Half |
  10311. SUPPORTED_100baseT_Full |
  10312. SUPPORTED_1000baseT_Full |
  10313. SUPPORTED_10000baseT_Full |
  10314. SUPPORTED_TP |
  10315. SUPPORTED_Autoneg |
  10316. SUPPORTED_Pause |
  10317. SUPPORTED_Asym_Pause),
  10318. .media_type = ETH_PHY_BASE_T,
  10319. .ver_addr = 0,
  10320. .req_flow_ctrl = 0,
  10321. .req_line_speed = 0,
  10322. .speed_cap_mask = 0,
  10323. .req_duplex = 0,
  10324. .rsrv = 0,
  10325. .config_init = (config_init_t)bnx2x_8481_config_init,
  10326. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10327. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10328. .config_loopback = (config_loopback_t)NULL,
  10329. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10330. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10331. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10332. .phy_specific_func = (phy_specific_func_t)NULL
  10333. };
  10334. static const struct bnx2x_phy phy_84823 = {
  10335. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10336. .addr = 0xff,
  10337. .def_md_devad = 0,
  10338. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10339. FLAGS_REARM_LATCH_SIGNAL |
  10340. FLAGS_TX_ERROR_CHECK),
  10341. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10342. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10343. .mdio_ctrl = 0,
  10344. .supported = (SUPPORTED_10baseT_Half |
  10345. SUPPORTED_10baseT_Full |
  10346. SUPPORTED_100baseT_Half |
  10347. SUPPORTED_100baseT_Full |
  10348. SUPPORTED_1000baseT_Full |
  10349. SUPPORTED_10000baseT_Full |
  10350. SUPPORTED_TP |
  10351. SUPPORTED_Autoneg |
  10352. SUPPORTED_Pause |
  10353. SUPPORTED_Asym_Pause),
  10354. .media_type = ETH_PHY_BASE_T,
  10355. .ver_addr = 0,
  10356. .req_flow_ctrl = 0,
  10357. .req_line_speed = 0,
  10358. .speed_cap_mask = 0,
  10359. .req_duplex = 0,
  10360. .rsrv = 0,
  10361. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10362. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10363. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10364. .config_loopback = (config_loopback_t)NULL,
  10365. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10366. .hw_reset = (hw_reset_t)NULL,
  10367. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10368. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10369. };
  10370. static const struct bnx2x_phy phy_84833 = {
  10371. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10372. .addr = 0xff,
  10373. .def_md_devad = 0,
  10374. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10375. FLAGS_REARM_LATCH_SIGNAL |
  10376. FLAGS_TX_ERROR_CHECK),
  10377. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10378. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10379. .mdio_ctrl = 0,
  10380. .supported = (SUPPORTED_100baseT_Half |
  10381. SUPPORTED_100baseT_Full |
  10382. SUPPORTED_1000baseT_Full |
  10383. SUPPORTED_10000baseT_Full |
  10384. SUPPORTED_TP |
  10385. SUPPORTED_Autoneg |
  10386. SUPPORTED_Pause |
  10387. SUPPORTED_Asym_Pause),
  10388. .media_type = ETH_PHY_BASE_T,
  10389. .ver_addr = 0,
  10390. .req_flow_ctrl = 0,
  10391. .req_line_speed = 0,
  10392. .speed_cap_mask = 0,
  10393. .req_duplex = 0,
  10394. .rsrv = 0,
  10395. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10396. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10397. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10398. .config_loopback = (config_loopback_t)NULL,
  10399. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10400. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10401. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10402. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10403. };
  10404. static const struct bnx2x_phy phy_84834 = {
  10405. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10406. .addr = 0xff,
  10407. .def_md_devad = 0,
  10408. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10409. FLAGS_REARM_LATCH_SIGNAL,
  10410. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10411. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10412. .mdio_ctrl = 0,
  10413. .supported = (SUPPORTED_100baseT_Half |
  10414. SUPPORTED_100baseT_Full |
  10415. SUPPORTED_1000baseT_Full |
  10416. SUPPORTED_10000baseT_Full |
  10417. SUPPORTED_TP |
  10418. SUPPORTED_Autoneg |
  10419. SUPPORTED_Pause |
  10420. SUPPORTED_Asym_Pause),
  10421. .media_type = ETH_PHY_BASE_T,
  10422. .ver_addr = 0,
  10423. .req_flow_ctrl = 0,
  10424. .req_line_speed = 0,
  10425. .speed_cap_mask = 0,
  10426. .req_duplex = 0,
  10427. .rsrv = 0,
  10428. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10429. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10430. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10431. .config_loopback = (config_loopback_t)NULL,
  10432. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10433. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10434. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10435. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10436. };
  10437. static const struct bnx2x_phy phy_54618se = {
  10438. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10439. .addr = 0xff,
  10440. .def_md_devad = 0,
  10441. .flags = FLAGS_INIT_XGXS_FIRST,
  10442. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10443. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10444. .mdio_ctrl = 0,
  10445. .supported = (SUPPORTED_10baseT_Half |
  10446. SUPPORTED_10baseT_Full |
  10447. SUPPORTED_100baseT_Half |
  10448. SUPPORTED_100baseT_Full |
  10449. SUPPORTED_1000baseT_Full |
  10450. SUPPORTED_TP |
  10451. SUPPORTED_Autoneg |
  10452. SUPPORTED_Pause |
  10453. SUPPORTED_Asym_Pause),
  10454. .media_type = ETH_PHY_BASE_T,
  10455. .ver_addr = 0,
  10456. .req_flow_ctrl = 0,
  10457. .req_line_speed = 0,
  10458. .speed_cap_mask = 0,
  10459. /* req_duplex = */0,
  10460. /* rsrv = */0,
  10461. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10462. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10463. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10464. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10465. .format_fw_ver = (format_fw_ver_t)NULL,
  10466. .hw_reset = (hw_reset_t)NULL,
  10467. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10468. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10469. };
  10470. /*****************************************************************/
  10471. /* */
  10472. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10473. /* */
  10474. /*****************************************************************/
  10475. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10476. struct bnx2x_phy *phy, u8 port,
  10477. u8 phy_index)
  10478. {
  10479. /* Get the 4 lanes xgxs config rx and tx */
  10480. u32 rx = 0, tx = 0, i;
  10481. for (i = 0; i < 2; i++) {
  10482. /* INT_PHY and EXT_PHY1 share the same value location in
  10483. * the shmem. When num_phys is greater than 1, than this value
  10484. * applies only to EXT_PHY1
  10485. */
  10486. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10487. rx = REG_RD(bp, shmem_base +
  10488. offsetof(struct shmem_region,
  10489. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10490. tx = REG_RD(bp, shmem_base +
  10491. offsetof(struct shmem_region,
  10492. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10493. } else {
  10494. rx = REG_RD(bp, shmem_base +
  10495. offsetof(struct shmem_region,
  10496. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10497. tx = REG_RD(bp, shmem_base +
  10498. offsetof(struct shmem_region,
  10499. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10500. }
  10501. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10502. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10503. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10504. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10505. }
  10506. }
  10507. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10508. u8 phy_index, u8 port)
  10509. {
  10510. u32 ext_phy_config = 0;
  10511. switch (phy_index) {
  10512. case EXT_PHY1:
  10513. ext_phy_config = REG_RD(bp, shmem_base +
  10514. offsetof(struct shmem_region,
  10515. dev_info.port_hw_config[port].external_phy_config));
  10516. break;
  10517. case EXT_PHY2:
  10518. ext_phy_config = REG_RD(bp, shmem_base +
  10519. offsetof(struct shmem_region,
  10520. dev_info.port_hw_config[port].external_phy_config2));
  10521. break;
  10522. default:
  10523. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10524. return -EINVAL;
  10525. }
  10526. return ext_phy_config;
  10527. }
  10528. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10529. struct bnx2x_phy *phy)
  10530. {
  10531. u32 phy_addr;
  10532. u32 chip_id;
  10533. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10534. offsetof(struct shmem_region,
  10535. dev_info.port_feature_config[port].link_config)) &
  10536. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10537. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10538. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10539. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10540. if (USES_WARPCORE(bp)) {
  10541. u32 serdes_net_if;
  10542. phy_addr = REG_RD(bp,
  10543. MISC_REG_WC0_CTRL_PHY_ADDR);
  10544. *phy = phy_warpcore;
  10545. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10546. phy->flags |= FLAGS_4_PORT_MODE;
  10547. else
  10548. phy->flags &= ~FLAGS_4_PORT_MODE;
  10549. /* Check Dual mode */
  10550. serdes_net_if = (REG_RD(bp, shmem_base +
  10551. offsetof(struct shmem_region, dev_info.
  10552. port_hw_config[port].default_cfg)) &
  10553. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10554. /* Set the appropriate supported and flags indications per
  10555. * interface type of the chip
  10556. */
  10557. switch (serdes_net_if) {
  10558. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10559. phy->supported &= (SUPPORTED_10baseT_Half |
  10560. SUPPORTED_10baseT_Full |
  10561. SUPPORTED_100baseT_Half |
  10562. SUPPORTED_100baseT_Full |
  10563. SUPPORTED_1000baseT_Full |
  10564. SUPPORTED_FIBRE |
  10565. SUPPORTED_Autoneg |
  10566. SUPPORTED_Pause |
  10567. SUPPORTED_Asym_Pause);
  10568. phy->media_type = ETH_PHY_BASE_T;
  10569. break;
  10570. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10571. phy->supported &= (SUPPORTED_1000baseT_Full |
  10572. SUPPORTED_10000baseT_Full |
  10573. SUPPORTED_FIBRE |
  10574. SUPPORTED_Pause |
  10575. SUPPORTED_Asym_Pause);
  10576. phy->media_type = ETH_PHY_XFP_FIBER;
  10577. break;
  10578. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10579. phy->supported &= (SUPPORTED_1000baseT_Full |
  10580. SUPPORTED_10000baseT_Full |
  10581. SUPPORTED_FIBRE |
  10582. SUPPORTED_Pause |
  10583. SUPPORTED_Asym_Pause);
  10584. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10585. break;
  10586. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10587. phy->media_type = ETH_PHY_KR;
  10588. phy->supported &= (SUPPORTED_1000baseT_Full |
  10589. SUPPORTED_10000baseT_Full |
  10590. SUPPORTED_FIBRE |
  10591. SUPPORTED_Autoneg |
  10592. SUPPORTED_Pause |
  10593. SUPPORTED_Asym_Pause);
  10594. break;
  10595. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10596. phy->media_type = ETH_PHY_KR;
  10597. phy->flags |= FLAGS_WC_DUAL_MODE;
  10598. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10599. SUPPORTED_FIBRE |
  10600. SUPPORTED_Pause |
  10601. SUPPORTED_Asym_Pause);
  10602. break;
  10603. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10604. phy->media_type = ETH_PHY_KR;
  10605. phy->flags |= FLAGS_WC_DUAL_MODE;
  10606. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10607. SUPPORTED_10000baseT_Full |
  10608. SUPPORTED_1000baseT_Full |
  10609. SUPPORTED_Autoneg |
  10610. SUPPORTED_FIBRE |
  10611. SUPPORTED_Pause |
  10612. SUPPORTED_Asym_Pause);
  10613. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10614. break;
  10615. default:
  10616. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10617. serdes_net_if);
  10618. break;
  10619. }
  10620. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10621. * was not set as expected. For B0, ECO will be enabled so there
  10622. * won't be an issue there
  10623. */
  10624. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10625. phy->flags |= FLAGS_MDC_MDIO_WA;
  10626. else
  10627. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10628. } else {
  10629. switch (switch_cfg) {
  10630. case SWITCH_CFG_1G:
  10631. phy_addr = REG_RD(bp,
  10632. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10633. port * 0x10);
  10634. *phy = phy_serdes;
  10635. break;
  10636. case SWITCH_CFG_10G:
  10637. phy_addr = REG_RD(bp,
  10638. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10639. port * 0x18);
  10640. *phy = phy_xgxs;
  10641. break;
  10642. default:
  10643. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10644. return -EINVAL;
  10645. }
  10646. }
  10647. phy->addr = (u8)phy_addr;
  10648. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10649. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10650. port);
  10651. if (CHIP_IS_E2(bp))
  10652. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10653. else
  10654. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10655. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10656. port, phy->addr, phy->mdio_ctrl);
  10657. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10658. return 0;
  10659. }
  10660. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10661. u8 phy_index,
  10662. u32 shmem_base,
  10663. u32 shmem2_base,
  10664. u8 port,
  10665. struct bnx2x_phy *phy)
  10666. {
  10667. u32 ext_phy_config, phy_type, config2;
  10668. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10669. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10670. phy_index, port);
  10671. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10672. /* Select the phy type */
  10673. switch (phy_type) {
  10674. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10675. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10676. *phy = phy_8073;
  10677. break;
  10678. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10679. *phy = phy_8705;
  10680. break;
  10681. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10682. *phy = phy_8706;
  10683. break;
  10684. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10685. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10686. *phy = phy_8726;
  10687. break;
  10688. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10689. /* BCM8727_NOC => BCM8727 no over current */
  10690. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10691. *phy = phy_8727;
  10692. phy->flags |= FLAGS_NOC;
  10693. break;
  10694. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10695. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10696. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10697. *phy = phy_8727;
  10698. break;
  10699. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10700. *phy = phy_8481;
  10701. break;
  10702. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10703. *phy = phy_84823;
  10704. break;
  10705. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10706. *phy = phy_84833;
  10707. break;
  10708. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10709. *phy = phy_84834;
  10710. break;
  10711. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10712. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10713. *phy = phy_54618se;
  10714. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10715. phy->flags |= FLAGS_EEE;
  10716. break;
  10717. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10718. *phy = phy_7101;
  10719. break;
  10720. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10721. *phy = phy_null;
  10722. return -EINVAL;
  10723. default:
  10724. *phy = phy_null;
  10725. /* In case external PHY wasn't found */
  10726. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10727. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10728. return -EINVAL;
  10729. return 0;
  10730. }
  10731. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10732. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10733. /* The shmem address of the phy version is located on different
  10734. * structures. In case this structure is too old, do not set
  10735. * the address
  10736. */
  10737. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10738. dev_info.shared_hw_config.config2));
  10739. if (phy_index == EXT_PHY1) {
  10740. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10741. port_mb[port].ext_phy_fw_version);
  10742. /* Check specific mdc mdio settings */
  10743. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10744. mdc_mdio_access = config2 &
  10745. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10746. } else {
  10747. u32 size = REG_RD(bp, shmem2_base);
  10748. if (size >
  10749. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10750. phy->ver_addr = shmem2_base +
  10751. offsetof(struct shmem2_region,
  10752. ext_phy_fw_version2[port]);
  10753. }
  10754. /* Check specific mdc mdio settings */
  10755. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10756. mdc_mdio_access = (config2 &
  10757. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10758. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10759. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10760. }
  10761. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10762. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10763. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10764. (phy->ver_addr)) {
  10765. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10766. * version lower than or equal to 1.39
  10767. */
  10768. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10769. if (((raw_ver & 0x7F) <= 39) &&
  10770. (((raw_ver & 0xF80) >> 7) <= 1))
  10771. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10772. SUPPORTED_100baseT_Full);
  10773. }
  10774. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10775. phy_type, port, phy_index);
  10776. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10777. phy->addr, phy->mdio_ctrl);
  10778. return 0;
  10779. }
  10780. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10781. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10782. {
  10783. int status = 0;
  10784. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10785. if (phy_index == INT_PHY)
  10786. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10787. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10788. port, phy);
  10789. return status;
  10790. }
  10791. static void bnx2x_phy_def_cfg(struct link_params *params,
  10792. struct bnx2x_phy *phy,
  10793. u8 phy_index)
  10794. {
  10795. struct bnx2x *bp = params->bp;
  10796. u32 link_config;
  10797. /* Populate the default phy configuration for MF mode */
  10798. if (phy_index == EXT_PHY2) {
  10799. link_config = REG_RD(bp, params->shmem_base +
  10800. offsetof(struct shmem_region, dev_info.
  10801. port_feature_config[params->port].link_config2));
  10802. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10803. offsetof(struct shmem_region,
  10804. dev_info.
  10805. port_hw_config[params->port].speed_capability_mask2));
  10806. } else {
  10807. link_config = REG_RD(bp, params->shmem_base +
  10808. offsetof(struct shmem_region, dev_info.
  10809. port_feature_config[params->port].link_config));
  10810. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10811. offsetof(struct shmem_region,
  10812. dev_info.
  10813. port_hw_config[params->port].speed_capability_mask));
  10814. }
  10815. DP(NETIF_MSG_LINK,
  10816. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10817. phy_index, link_config, phy->speed_cap_mask);
  10818. phy->req_duplex = DUPLEX_FULL;
  10819. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10820. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10821. phy->req_duplex = DUPLEX_HALF;
  10822. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10823. phy->req_line_speed = SPEED_10;
  10824. break;
  10825. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10826. phy->req_duplex = DUPLEX_HALF;
  10827. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10828. phy->req_line_speed = SPEED_100;
  10829. break;
  10830. case PORT_FEATURE_LINK_SPEED_1G:
  10831. phy->req_line_speed = SPEED_1000;
  10832. break;
  10833. case PORT_FEATURE_LINK_SPEED_2_5G:
  10834. phy->req_line_speed = SPEED_2500;
  10835. break;
  10836. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10837. phy->req_line_speed = SPEED_10000;
  10838. break;
  10839. default:
  10840. phy->req_line_speed = SPEED_AUTO_NEG;
  10841. break;
  10842. }
  10843. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10844. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10845. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10846. break;
  10847. case PORT_FEATURE_FLOW_CONTROL_TX:
  10848. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10849. break;
  10850. case PORT_FEATURE_FLOW_CONTROL_RX:
  10851. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10852. break;
  10853. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10854. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10855. break;
  10856. default:
  10857. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10858. break;
  10859. }
  10860. }
  10861. u32 bnx2x_phy_selection(struct link_params *params)
  10862. {
  10863. u32 phy_config_swapped, prio_cfg;
  10864. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10865. phy_config_swapped = params->multi_phy_config &
  10866. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10867. prio_cfg = params->multi_phy_config &
  10868. PORT_HW_CFG_PHY_SELECTION_MASK;
  10869. if (phy_config_swapped) {
  10870. switch (prio_cfg) {
  10871. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10872. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10873. break;
  10874. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10875. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10876. break;
  10877. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10878. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10879. break;
  10880. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10881. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10882. break;
  10883. }
  10884. } else
  10885. return_cfg = prio_cfg;
  10886. return return_cfg;
  10887. }
  10888. int bnx2x_phy_probe(struct link_params *params)
  10889. {
  10890. u8 phy_index, actual_phy_idx;
  10891. u32 phy_config_swapped, sync_offset, media_types;
  10892. struct bnx2x *bp = params->bp;
  10893. struct bnx2x_phy *phy;
  10894. params->num_phys = 0;
  10895. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10896. phy_config_swapped = params->multi_phy_config &
  10897. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10898. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10899. phy_index++) {
  10900. actual_phy_idx = phy_index;
  10901. if (phy_config_swapped) {
  10902. if (phy_index == EXT_PHY1)
  10903. actual_phy_idx = EXT_PHY2;
  10904. else if (phy_index == EXT_PHY2)
  10905. actual_phy_idx = EXT_PHY1;
  10906. }
  10907. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10908. " actual_phy_idx %x\n", phy_config_swapped,
  10909. phy_index, actual_phy_idx);
  10910. phy = &params->phy[actual_phy_idx];
  10911. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10912. params->shmem2_base, params->port,
  10913. phy) != 0) {
  10914. params->num_phys = 0;
  10915. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10916. phy_index);
  10917. for (phy_index = INT_PHY;
  10918. phy_index < MAX_PHYS;
  10919. phy_index++)
  10920. *phy = phy_null;
  10921. return -EINVAL;
  10922. }
  10923. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10924. break;
  10925. if (params->feature_config_flags &
  10926. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10927. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10928. if (!(params->feature_config_flags &
  10929. FEATURE_CONFIG_MT_SUPPORT))
  10930. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10931. sync_offset = params->shmem_base +
  10932. offsetof(struct shmem_region,
  10933. dev_info.port_hw_config[params->port].media_type);
  10934. media_types = REG_RD(bp, sync_offset);
  10935. /* Update media type for non-PMF sync only for the first time
  10936. * In case the media type changes afterwards, it will be updated
  10937. * using the update_status function
  10938. */
  10939. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10940. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10941. actual_phy_idx))) == 0) {
  10942. media_types |= ((phy->media_type &
  10943. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10944. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10945. actual_phy_idx));
  10946. }
  10947. REG_WR(bp, sync_offset, media_types);
  10948. bnx2x_phy_def_cfg(params, phy, phy_index);
  10949. params->num_phys++;
  10950. }
  10951. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10952. return 0;
  10953. }
  10954. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10955. struct link_vars *vars)
  10956. {
  10957. struct bnx2x *bp = params->bp;
  10958. vars->link_up = 1;
  10959. vars->line_speed = SPEED_10000;
  10960. vars->duplex = DUPLEX_FULL;
  10961. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10962. vars->mac_type = MAC_TYPE_BMAC;
  10963. vars->phy_flags = PHY_XGXS_FLAG;
  10964. bnx2x_xgxs_deassert(params);
  10965. /* Set bmac loopback */
  10966. bnx2x_bmac_enable(params, vars, 1, 1);
  10967. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10968. }
  10969. static void bnx2x_init_emac_loopback(struct link_params *params,
  10970. struct link_vars *vars)
  10971. {
  10972. struct bnx2x *bp = params->bp;
  10973. vars->link_up = 1;
  10974. vars->line_speed = SPEED_1000;
  10975. vars->duplex = DUPLEX_FULL;
  10976. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10977. vars->mac_type = MAC_TYPE_EMAC;
  10978. vars->phy_flags = PHY_XGXS_FLAG;
  10979. bnx2x_xgxs_deassert(params);
  10980. /* Set bmac loopback */
  10981. bnx2x_emac_enable(params, vars, 1);
  10982. bnx2x_emac_program(params, vars);
  10983. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10984. }
  10985. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10986. struct link_vars *vars)
  10987. {
  10988. struct bnx2x *bp = params->bp;
  10989. vars->link_up = 1;
  10990. if (!params->req_line_speed[0])
  10991. vars->line_speed = SPEED_10000;
  10992. else
  10993. vars->line_speed = params->req_line_speed[0];
  10994. vars->duplex = DUPLEX_FULL;
  10995. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10996. vars->mac_type = MAC_TYPE_XMAC;
  10997. vars->phy_flags = PHY_XGXS_FLAG;
  10998. /* Set WC to loopback mode since link is required to provide clock
  10999. * to the XMAC in 20G mode
  11000. */
  11001. bnx2x_set_aer_mmd(params, &params->phy[0]);
  11002. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  11003. params->phy[INT_PHY].config_loopback(
  11004. &params->phy[INT_PHY],
  11005. params);
  11006. bnx2x_xmac_enable(params, vars, 1);
  11007. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11008. }
  11009. static void bnx2x_init_umac_loopback(struct link_params *params,
  11010. struct link_vars *vars)
  11011. {
  11012. struct bnx2x *bp = params->bp;
  11013. vars->link_up = 1;
  11014. vars->line_speed = SPEED_1000;
  11015. vars->duplex = DUPLEX_FULL;
  11016. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11017. vars->mac_type = MAC_TYPE_UMAC;
  11018. vars->phy_flags = PHY_XGXS_FLAG;
  11019. bnx2x_umac_enable(params, vars, 1);
  11020. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11021. }
  11022. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  11023. struct link_vars *vars)
  11024. {
  11025. struct bnx2x *bp = params->bp;
  11026. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  11027. vars->link_up = 1;
  11028. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11029. vars->duplex = DUPLEX_FULL;
  11030. if (params->req_line_speed[0] == SPEED_1000)
  11031. vars->line_speed = SPEED_1000;
  11032. else if ((params->req_line_speed[0] == SPEED_20000) ||
  11033. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  11034. vars->line_speed = SPEED_20000;
  11035. else
  11036. vars->line_speed = SPEED_10000;
  11037. if (!USES_WARPCORE(bp))
  11038. bnx2x_xgxs_deassert(params);
  11039. bnx2x_link_initialize(params, vars);
  11040. if (params->req_line_speed[0] == SPEED_1000) {
  11041. if (USES_WARPCORE(bp))
  11042. bnx2x_umac_enable(params, vars, 0);
  11043. else {
  11044. bnx2x_emac_program(params, vars);
  11045. bnx2x_emac_enable(params, vars, 0);
  11046. }
  11047. } else {
  11048. if (USES_WARPCORE(bp))
  11049. bnx2x_xmac_enable(params, vars, 0);
  11050. else
  11051. bnx2x_bmac_enable(params, vars, 0, 1);
  11052. }
  11053. if (params->loopback_mode == LOOPBACK_XGXS) {
  11054. /* Set 10G XGXS loopback */
  11055. int_phy->config_loopback(int_phy, params);
  11056. } else {
  11057. /* Set external phy loopback */
  11058. u8 phy_index;
  11059. for (phy_index = EXT_PHY1;
  11060. phy_index < params->num_phys; phy_index++)
  11061. if (params->phy[phy_index].config_loopback)
  11062. params->phy[phy_index].config_loopback(
  11063. &params->phy[phy_index],
  11064. params);
  11065. }
  11066. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11067. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11068. }
  11069. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11070. {
  11071. struct bnx2x *bp = params->bp;
  11072. u8 val = en * 0x1F;
  11073. /* Open / close the gate between the NIG and the BRB */
  11074. if (!CHIP_IS_E1x(bp))
  11075. val |= en * 0x20;
  11076. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11077. if (!CHIP_IS_E1(bp)) {
  11078. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11079. en*0x3);
  11080. }
  11081. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11082. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11083. }
  11084. static int bnx2x_avoid_link_flap(struct link_params *params,
  11085. struct link_vars *vars)
  11086. {
  11087. u32 phy_idx;
  11088. u32 dont_clear_stat, lfa_sts;
  11089. struct bnx2x *bp = params->bp;
  11090. /* Sync the link parameters */
  11091. bnx2x_link_status_update(params, vars);
  11092. /*
  11093. * The module verification was already done by previous link owner,
  11094. * so this call is meant only to get warning message
  11095. */
  11096. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11097. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11098. if (phy->phy_specific_func) {
  11099. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11100. phy->phy_specific_func(phy, params, PHY_INIT);
  11101. }
  11102. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11103. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11104. (phy->media_type == ETH_PHY_DA_TWINAX))
  11105. bnx2x_verify_sfp_module(phy, params);
  11106. }
  11107. lfa_sts = REG_RD(bp, params->lfa_base +
  11108. offsetof(struct shmem_lfa,
  11109. lfa_sts));
  11110. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11111. /* Re-enable the NIG/MAC */
  11112. if (CHIP_IS_E3(bp)) {
  11113. if (!dont_clear_stat) {
  11114. REG_WR(bp, GRCBASE_MISC +
  11115. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11116. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11117. params->port));
  11118. REG_WR(bp, GRCBASE_MISC +
  11119. MISC_REGISTERS_RESET_REG_2_SET,
  11120. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11121. params->port));
  11122. }
  11123. if (vars->line_speed < SPEED_10000)
  11124. bnx2x_umac_enable(params, vars, 0);
  11125. else
  11126. bnx2x_xmac_enable(params, vars, 0);
  11127. } else {
  11128. if (vars->line_speed < SPEED_10000)
  11129. bnx2x_emac_enable(params, vars, 0);
  11130. else
  11131. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11132. }
  11133. /* Increment LFA count */
  11134. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11135. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11136. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11137. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11138. /* Clear link flap reason */
  11139. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11140. REG_WR(bp, params->lfa_base +
  11141. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11142. /* Disable NIG DRAIN */
  11143. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11144. /* Enable interrupts */
  11145. bnx2x_link_int_enable(params);
  11146. return 0;
  11147. }
  11148. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11149. struct link_vars *vars,
  11150. int lfa_status)
  11151. {
  11152. u32 lfa_sts, cfg_idx, tmp_val;
  11153. struct bnx2x *bp = params->bp;
  11154. bnx2x_link_reset(params, vars, 1);
  11155. if (!params->lfa_base)
  11156. return;
  11157. /* Store the new link parameters */
  11158. REG_WR(bp, params->lfa_base +
  11159. offsetof(struct shmem_lfa, req_duplex),
  11160. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11161. REG_WR(bp, params->lfa_base +
  11162. offsetof(struct shmem_lfa, req_flow_ctrl),
  11163. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11164. REG_WR(bp, params->lfa_base +
  11165. offsetof(struct shmem_lfa, req_line_speed),
  11166. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11167. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11168. REG_WR(bp, params->lfa_base +
  11169. offsetof(struct shmem_lfa,
  11170. speed_cap_mask[cfg_idx]),
  11171. params->speed_cap_mask[cfg_idx]);
  11172. }
  11173. tmp_val = REG_RD(bp, params->lfa_base +
  11174. offsetof(struct shmem_lfa, additional_config));
  11175. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11176. tmp_val |= params->req_fc_auto_adv;
  11177. REG_WR(bp, params->lfa_base +
  11178. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11179. lfa_sts = REG_RD(bp, params->lfa_base +
  11180. offsetof(struct shmem_lfa, lfa_sts));
  11181. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11182. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11183. /* Set link flap reason */
  11184. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11185. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11186. LFA_LINK_FLAP_REASON_OFFSET);
  11187. /* Increment link flap counter */
  11188. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11189. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11190. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11191. << LINK_FLAP_COUNT_OFFSET));
  11192. REG_WR(bp, params->lfa_base +
  11193. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11194. /* Proceed with regular link initialization */
  11195. }
  11196. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11197. {
  11198. int lfa_status;
  11199. struct bnx2x *bp = params->bp;
  11200. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11201. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11202. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11203. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11204. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11205. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11206. vars->link_status = 0;
  11207. vars->phy_link_up = 0;
  11208. vars->link_up = 0;
  11209. vars->line_speed = 0;
  11210. vars->duplex = DUPLEX_FULL;
  11211. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11212. vars->mac_type = MAC_TYPE_NONE;
  11213. vars->phy_flags = 0;
  11214. vars->check_kr2_recovery_cnt = 0;
  11215. params->link_flags = PHY_INITIALIZED;
  11216. /* Driver opens NIG-BRB filters */
  11217. bnx2x_set_rx_filter(params, 1);
  11218. /* Check if link flap can be avoided */
  11219. lfa_status = bnx2x_check_lfa(params);
  11220. if (lfa_status == 0) {
  11221. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11222. return bnx2x_avoid_link_flap(params, vars);
  11223. }
  11224. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11225. lfa_status);
  11226. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11227. /* Disable attentions */
  11228. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11229. (NIG_MASK_XGXS0_LINK_STATUS |
  11230. NIG_MASK_XGXS0_LINK10G |
  11231. NIG_MASK_SERDES0_LINK_STATUS |
  11232. NIG_MASK_MI_INT));
  11233. bnx2x_emac_init(params, vars);
  11234. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11235. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11236. if (params->num_phys == 0) {
  11237. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11238. return -EINVAL;
  11239. }
  11240. set_phy_vars(params, vars);
  11241. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11242. switch (params->loopback_mode) {
  11243. case LOOPBACK_BMAC:
  11244. bnx2x_init_bmac_loopback(params, vars);
  11245. break;
  11246. case LOOPBACK_EMAC:
  11247. bnx2x_init_emac_loopback(params, vars);
  11248. break;
  11249. case LOOPBACK_XMAC:
  11250. bnx2x_init_xmac_loopback(params, vars);
  11251. break;
  11252. case LOOPBACK_UMAC:
  11253. bnx2x_init_umac_loopback(params, vars);
  11254. break;
  11255. case LOOPBACK_XGXS:
  11256. case LOOPBACK_EXT_PHY:
  11257. bnx2x_init_xgxs_loopback(params, vars);
  11258. break;
  11259. default:
  11260. if (!CHIP_IS_E3(bp)) {
  11261. if (params->switch_cfg == SWITCH_CFG_10G)
  11262. bnx2x_xgxs_deassert(params);
  11263. else
  11264. bnx2x_serdes_deassert(bp, params->port);
  11265. }
  11266. bnx2x_link_initialize(params, vars);
  11267. msleep(30);
  11268. bnx2x_link_int_enable(params);
  11269. break;
  11270. }
  11271. bnx2x_update_mng(params, vars->link_status);
  11272. bnx2x_update_mng_eee(params, vars->eee_status);
  11273. return 0;
  11274. }
  11275. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11276. u8 reset_ext_phy)
  11277. {
  11278. struct bnx2x *bp = params->bp;
  11279. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11280. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11281. /* Disable attentions */
  11282. vars->link_status = 0;
  11283. bnx2x_update_mng(params, vars->link_status);
  11284. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11285. SHMEM_EEE_ACTIVE_BIT);
  11286. bnx2x_update_mng_eee(params, vars->eee_status);
  11287. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11288. (NIG_MASK_XGXS0_LINK_STATUS |
  11289. NIG_MASK_XGXS0_LINK10G |
  11290. NIG_MASK_SERDES0_LINK_STATUS |
  11291. NIG_MASK_MI_INT));
  11292. /* Activate nig drain */
  11293. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11294. /* Disable nig egress interface */
  11295. if (!CHIP_IS_E3(bp)) {
  11296. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11297. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11298. }
  11299. if (!CHIP_IS_E3(bp)) {
  11300. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11301. } else {
  11302. bnx2x_set_xmac_rxtx(params, 0);
  11303. bnx2x_set_umac_rxtx(params, 0);
  11304. }
  11305. /* Disable emac */
  11306. if (!CHIP_IS_E3(bp))
  11307. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11308. usleep_range(10000, 20000);
  11309. /* The PHY reset is controlled by GPIO 1
  11310. * Hold it as vars low
  11311. */
  11312. /* Clear link led */
  11313. bnx2x_set_mdio_emac_per_phy(bp, params);
  11314. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11315. if (reset_ext_phy) {
  11316. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11317. phy_index++) {
  11318. if (params->phy[phy_index].link_reset) {
  11319. bnx2x_set_aer_mmd(params,
  11320. &params->phy[phy_index]);
  11321. params->phy[phy_index].link_reset(
  11322. &params->phy[phy_index],
  11323. params);
  11324. }
  11325. if (params->phy[phy_index].flags &
  11326. FLAGS_REARM_LATCH_SIGNAL)
  11327. clear_latch_ind = 1;
  11328. }
  11329. }
  11330. if (clear_latch_ind) {
  11331. /* Clear latching indication */
  11332. bnx2x_rearm_latch_signal(bp, port, 0);
  11333. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11334. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11335. }
  11336. if (params->phy[INT_PHY].link_reset)
  11337. params->phy[INT_PHY].link_reset(
  11338. &params->phy[INT_PHY], params);
  11339. /* Disable nig ingress interface */
  11340. if (!CHIP_IS_E3(bp)) {
  11341. /* Reset BigMac */
  11342. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11343. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11344. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11345. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11346. } else {
  11347. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11348. bnx2x_set_xumac_nig(params, 0, 0);
  11349. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11350. MISC_REGISTERS_RESET_REG_2_XMAC)
  11351. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11352. XMAC_CTRL_REG_SOFT_RESET);
  11353. }
  11354. vars->link_up = 0;
  11355. vars->phy_flags = 0;
  11356. return 0;
  11357. }
  11358. int bnx2x_lfa_reset(struct link_params *params,
  11359. struct link_vars *vars)
  11360. {
  11361. struct bnx2x *bp = params->bp;
  11362. vars->link_up = 0;
  11363. vars->phy_flags = 0;
  11364. params->link_flags &= ~PHY_INITIALIZED;
  11365. if (!params->lfa_base)
  11366. return bnx2x_link_reset(params, vars, 1);
  11367. /*
  11368. * Activate NIG drain so that during this time the device won't send
  11369. * anything while it is unable to response.
  11370. */
  11371. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11372. /*
  11373. * Close gracefully the gate from BMAC to NIG such that no half packets
  11374. * are passed.
  11375. */
  11376. if (!CHIP_IS_E3(bp))
  11377. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11378. if (CHIP_IS_E3(bp)) {
  11379. bnx2x_set_xmac_rxtx(params, 0);
  11380. bnx2x_set_umac_rxtx(params, 0);
  11381. }
  11382. /* Wait 10ms for the pipe to clean up*/
  11383. usleep_range(10000, 20000);
  11384. /* Clean the NIG-BRB using the network filters in a way that will
  11385. * not cut a packet in the middle.
  11386. */
  11387. bnx2x_set_rx_filter(params, 0);
  11388. /*
  11389. * Re-open the gate between the BMAC and the NIG, after verifying the
  11390. * gate to the BRB is closed, otherwise packets may arrive to the
  11391. * firmware before driver had initialized it. The target is to achieve
  11392. * minimum management protocol down time.
  11393. */
  11394. if (!CHIP_IS_E3(bp))
  11395. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11396. if (CHIP_IS_E3(bp)) {
  11397. bnx2x_set_xmac_rxtx(params, 1);
  11398. bnx2x_set_umac_rxtx(params, 1);
  11399. }
  11400. /* Disable NIG drain */
  11401. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11402. return 0;
  11403. }
  11404. /****************************************************************************/
  11405. /* Common function */
  11406. /****************************************************************************/
  11407. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11408. u32 shmem_base_path[],
  11409. u32 shmem2_base_path[], u8 phy_index,
  11410. u32 chip_id)
  11411. {
  11412. struct bnx2x_phy phy[PORT_MAX];
  11413. struct bnx2x_phy *phy_blk[PORT_MAX];
  11414. u16 val;
  11415. s8 port = 0;
  11416. s8 port_of_path = 0;
  11417. u32 swap_val, swap_override;
  11418. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11419. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11420. port ^= (swap_val && swap_override);
  11421. bnx2x_ext_phy_hw_reset(bp, port);
  11422. /* PART1 - Reset both phys */
  11423. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11424. u32 shmem_base, shmem2_base;
  11425. /* In E2, same phy is using for port0 of the two paths */
  11426. if (CHIP_IS_E1x(bp)) {
  11427. shmem_base = shmem_base_path[0];
  11428. shmem2_base = shmem2_base_path[0];
  11429. port_of_path = port;
  11430. } else {
  11431. shmem_base = shmem_base_path[port];
  11432. shmem2_base = shmem2_base_path[port];
  11433. port_of_path = 0;
  11434. }
  11435. /* Extract the ext phy address for the port */
  11436. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11437. port_of_path, &phy[port]) !=
  11438. 0) {
  11439. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11440. return -EINVAL;
  11441. }
  11442. /* Disable attentions */
  11443. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11444. port_of_path*4,
  11445. (NIG_MASK_XGXS0_LINK_STATUS |
  11446. NIG_MASK_XGXS0_LINK10G |
  11447. NIG_MASK_SERDES0_LINK_STATUS |
  11448. NIG_MASK_MI_INT));
  11449. /* Need to take the phy out of low power mode in order
  11450. * to write to access its registers
  11451. */
  11452. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11453. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11454. port);
  11455. /* Reset the phy */
  11456. bnx2x_cl45_write(bp, &phy[port],
  11457. MDIO_PMA_DEVAD,
  11458. MDIO_PMA_REG_CTRL,
  11459. 1<<15);
  11460. }
  11461. /* Add delay of 150ms after reset */
  11462. msleep(150);
  11463. if (phy[PORT_0].addr & 0x1) {
  11464. phy_blk[PORT_0] = &(phy[PORT_1]);
  11465. phy_blk[PORT_1] = &(phy[PORT_0]);
  11466. } else {
  11467. phy_blk[PORT_0] = &(phy[PORT_0]);
  11468. phy_blk[PORT_1] = &(phy[PORT_1]);
  11469. }
  11470. /* PART2 - Download firmware to both phys */
  11471. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11472. if (CHIP_IS_E1x(bp))
  11473. port_of_path = port;
  11474. else
  11475. port_of_path = 0;
  11476. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11477. phy_blk[port]->addr);
  11478. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11479. port_of_path))
  11480. return -EINVAL;
  11481. /* Only set bit 10 = 1 (Tx power down) */
  11482. bnx2x_cl45_read(bp, phy_blk[port],
  11483. MDIO_PMA_DEVAD,
  11484. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11485. /* Phase1 of TX_POWER_DOWN reset */
  11486. bnx2x_cl45_write(bp, phy_blk[port],
  11487. MDIO_PMA_DEVAD,
  11488. MDIO_PMA_REG_TX_POWER_DOWN,
  11489. (val | 1<<10));
  11490. }
  11491. /* Toggle Transmitter: Power down and then up with 600ms delay
  11492. * between
  11493. */
  11494. msleep(600);
  11495. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11496. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11497. /* Phase2 of POWER_DOWN_RESET */
  11498. /* Release bit 10 (Release Tx power down) */
  11499. bnx2x_cl45_read(bp, phy_blk[port],
  11500. MDIO_PMA_DEVAD,
  11501. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11502. bnx2x_cl45_write(bp, phy_blk[port],
  11503. MDIO_PMA_DEVAD,
  11504. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11505. usleep_range(15000, 30000);
  11506. /* Read modify write the SPI-ROM version select register */
  11507. bnx2x_cl45_read(bp, phy_blk[port],
  11508. MDIO_PMA_DEVAD,
  11509. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11510. bnx2x_cl45_write(bp, phy_blk[port],
  11511. MDIO_PMA_DEVAD,
  11512. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11513. /* set GPIO2 back to LOW */
  11514. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11515. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11516. }
  11517. return 0;
  11518. }
  11519. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11520. u32 shmem_base_path[],
  11521. u32 shmem2_base_path[], u8 phy_index,
  11522. u32 chip_id)
  11523. {
  11524. u32 val;
  11525. s8 port;
  11526. struct bnx2x_phy phy;
  11527. /* Use port1 because of the static port-swap */
  11528. /* Enable the module detection interrupt */
  11529. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11530. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11531. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11532. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11533. bnx2x_ext_phy_hw_reset(bp, 0);
  11534. usleep_range(5000, 10000);
  11535. for (port = 0; port < PORT_MAX; port++) {
  11536. u32 shmem_base, shmem2_base;
  11537. /* In E2, same phy is using for port0 of the two paths */
  11538. if (CHIP_IS_E1x(bp)) {
  11539. shmem_base = shmem_base_path[0];
  11540. shmem2_base = shmem2_base_path[0];
  11541. } else {
  11542. shmem_base = shmem_base_path[port];
  11543. shmem2_base = shmem2_base_path[port];
  11544. }
  11545. /* Extract the ext phy address for the port */
  11546. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11547. port, &phy) !=
  11548. 0) {
  11549. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11550. return -EINVAL;
  11551. }
  11552. /* Reset phy*/
  11553. bnx2x_cl45_write(bp, &phy,
  11554. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11555. /* Set fault module detected LED on */
  11556. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11557. MISC_REGISTERS_GPIO_HIGH,
  11558. port);
  11559. }
  11560. return 0;
  11561. }
  11562. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11563. u8 *io_gpio, u8 *io_port)
  11564. {
  11565. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11566. offsetof(struct shmem_region,
  11567. dev_info.port_hw_config[PORT_0].default_cfg));
  11568. switch (phy_gpio_reset) {
  11569. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11570. *io_gpio = 0;
  11571. *io_port = 0;
  11572. break;
  11573. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11574. *io_gpio = 1;
  11575. *io_port = 0;
  11576. break;
  11577. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11578. *io_gpio = 2;
  11579. *io_port = 0;
  11580. break;
  11581. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11582. *io_gpio = 3;
  11583. *io_port = 0;
  11584. break;
  11585. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11586. *io_gpio = 0;
  11587. *io_port = 1;
  11588. break;
  11589. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11590. *io_gpio = 1;
  11591. *io_port = 1;
  11592. break;
  11593. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11594. *io_gpio = 2;
  11595. *io_port = 1;
  11596. break;
  11597. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11598. *io_gpio = 3;
  11599. *io_port = 1;
  11600. break;
  11601. default:
  11602. /* Don't override the io_gpio and io_port */
  11603. break;
  11604. }
  11605. }
  11606. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11607. u32 shmem_base_path[],
  11608. u32 shmem2_base_path[], u8 phy_index,
  11609. u32 chip_id)
  11610. {
  11611. s8 port, reset_gpio;
  11612. u32 swap_val, swap_override;
  11613. struct bnx2x_phy phy[PORT_MAX];
  11614. struct bnx2x_phy *phy_blk[PORT_MAX];
  11615. s8 port_of_path;
  11616. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11617. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11618. reset_gpio = MISC_REGISTERS_GPIO_1;
  11619. port = 1;
  11620. /* Retrieve the reset gpio/port which control the reset.
  11621. * Default is GPIO1, PORT1
  11622. */
  11623. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11624. (u8 *)&reset_gpio, (u8 *)&port);
  11625. /* Calculate the port based on port swap */
  11626. port ^= (swap_val && swap_override);
  11627. /* Initiate PHY reset*/
  11628. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11629. port);
  11630. usleep_range(1000, 2000);
  11631. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11632. port);
  11633. usleep_range(5000, 10000);
  11634. /* PART1 - Reset both phys */
  11635. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11636. u32 shmem_base, shmem2_base;
  11637. /* In E2, same phy is using for port0 of the two paths */
  11638. if (CHIP_IS_E1x(bp)) {
  11639. shmem_base = shmem_base_path[0];
  11640. shmem2_base = shmem2_base_path[0];
  11641. port_of_path = port;
  11642. } else {
  11643. shmem_base = shmem_base_path[port];
  11644. shmem2_base = shmem2_base_path[port];
  11645. port_of_path = 0;
  11646. }
  11647. /* Extract the ext phy address for the port */
  11648. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11649. port_of_path, &phy[port]) !=
  11650. 0) {
  11651. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11652. return -EINVAL;
  11653. }
  11654. /* disable attentions */
  11655. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11656. port_of_path*4,
  11657. (NIG_MASK_XGXS0_LINK_STATUS |
  11658. NIG_MASK_XGXS0_LINK10G |
  11659. NIG_MASK_SERDES0_LINK_STATUS |
  11660. NIG_MASK_MI_INT));
  11661. /* Reset the phy */
  11662. bnx2x_cl45_write(bp, &phy[port],
  11663. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11664. }
  11665. /* Add delay of 150ms after reset */
  11666. msleep(150);
  11667. if (phy[PORT_0].addr & 0x1) {
  11668. phy_blk[PORT_0] = &(phy[PORT_1]);
  11669. phy_blk[PORT_1] = &(phy[PORT_0]);
  11670. } else {
  11671. phy_blk[PORT_0] = &(phy[PORT_0]);
  11672. phy_blk[PORT_1] = &(phy[PORT_1]);
  11673. }
  11674. /* PART2 - Download firmware to both phys */
  11675. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11676. if (CHIP_IS_E1x(bp))
  11677. port_of_path = port;
  11678. else
  11679. port_of_path = 0;
  11680. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11681. phy_blk[port]->addr);
  11682. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11683. port_of_path))
  11684. return -EINVAL;
  11685. /* Disable PHY transmitter output */
  11686. bnx2x_cl45_write(bp, phy_blk[port],
  11687. MDIO_PMA_DEVAD,
  11688. MDIO_PMA_REG_TX_DISABLE, 1);
  11689. }
  11690. return 0;
  11691. }
  11692. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11693. u32 shmem_base_path[],
  11694. u32 shmem2_base_path[],
  11695. u8 phy_index,
  11696. u32 chip_id)
  11697. {
  11698. u8 reset_gpios;
  11699. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11700. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11701. udelay(10);
  11702. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11703. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11704. reset_gpios);
  11705. return 0;
  11706. }
  11707. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11708. u32 shmem2_base_path[], u8 phy_index,
  11709. u32 ext_phy_type, u32 chip_id)
  11710. {
  11711. int rc = 0;
  11712. switch (ext_phy_type) {
  11713. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11714. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11715. shmem2_base_path,
  11716. phy_index, chip_id);
  11717. break;
  11718. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11719. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11720. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11721. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11722. shmem2_base_path,
  11723. phy_index, chip_id);
  11724. break;
  11725. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11726. /* GPIO1 affects both ports, so there's need to pull
  11727. * it for single port alone
  11728. */
  11729. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11730. shmem2_base_path,
  11731. phy_index, chip_id);
  11732. break;
  11733. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11734. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11735. /* GPIO3's are linked, and so both need to be toggled
  11736. * to obtain required 2us pulse.
  11737. */
  11738. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11739. shmem2_base_path,
  11740. phy_index, chip_id);
  11741. break;
  11742. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11743. rc = -EINVAL;
  11744. break;
  11745. default:
  11746. DP(NETIF_MSG_LINK,
  11747. "ext_phy 0x%x common init not required\n",
  11748. ext_phy_type);
  11749. break;
  11750. }
  11751. if (rc)
  11752. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11753. " Port %d\n",
  11754. 0);
  11755. return rc;
  11756. }
  11757. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11758. u32 shmem2_base_path[], u32 chip_id)
  11759. {
  11760. int rc = 0;
  11761. u32 phy_ver, val;
  11762. u8 phy_index = 0;
  11763. u32 ext_phy_type, ext_phy_config;
  11764. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11765. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11766. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11767. if (CHIP_IS_E3(bp)) {
  11768. /* Enable EPIO */
  11769. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11770. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11771. }
  11772. /* Check if common init was already done */
  11773. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11774. offsetof(struct shmem_region,
  11775. port_mb[PORT_0].ext_phy_fw_version));
  11776. if (phy_ver) {
  11777. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11778. phy_ver);
  11779. return 0;
  11780. }
  11781. /* Read the ext_phy_type for arbitrary port(0) */
  11782. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11783. phy_index++) {
  11784. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11785. shmem_base_path[0],
  11786. phy_index, 0);
  11787. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11788. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11789. shmem2_base_path,
  11790. phy_index, ext_phy_type,
  11791. chip_id);
  11792. }
  11793. return rc;
  11794. }
  11795. static void bnx2x_check_over_curr(struct link_params *params,
  11796. struct link_vars *vars)
  11797. {
  11798. struct bnx2x *bp = params->bp;
  11799. u32 cfg_pin;
  11800. u8 port = params->port;
  11801. u32 pin_val;
  11802. cfg_pin = (REG_RD(bp, params->shmem_base +
  11803. offsetof(struct shmem_region,
  11804. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11805. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11806. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11807. /* Ignore check if no external input PIN available */
  11808. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11809. return;
  11810. if (!pin_val) {
  11811. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11812. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11813. " been detected and the power to "
  11814. "that SFP+ module has been removed"
  11815. " to prevent failure of the card."
  11816. " Please remove the SFP+ module and"
  11817. " restart the system to clear this"
  11818. " error.\n",
  11819. params->port);
  11820. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11821. bnx2x_warpcore_power_module(params, 0);
  11822. }
  11823. } else
  11824. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11825. }
  11826. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11827. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11828. struct link_vars *vars, u32 status,
  11829. u32 phy_flag, u32 link_flag, u8 notify)
  11830. {
  11831. struct bnx2x *bp = params->bp;
  11832. /* Compare new value with previous value */
  11833. u8 led_mode;
  11834. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11835. if ((status ^ old_status) == 0)
  11836. return 0;
  11837. /* If values differ */
  11838. switch (phy_flag) {
  11839. case PHY_HALF_OPEN_CONN_FLAG:
  11840. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11841. break;
  11842. case PHY_SFP_TX_FAULT_FLAG:
  11843. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11844. break;
  11845. default:
  11846. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11847. }
  11848. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11849. old_status, status);
  11850. /* a. Update shmem->link_status accordingly
  11851. * b. Update link_vars->link_up
  11852. */
  11853. if (status) {
  11854. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11855. vars->link_status |= link_flag;
  11856. vars->link_up = 0;
  11857. vars->phy_flags |= phy_flag;
  11858. /* activate nig drain */
  11859. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11860. /* Set LED mode to off since the PHY doesn't know about these
  11861. * errors
  11862. */
  11863. led_mode = LED_MODE_OFF;
  11864. } else {
  11865. vars->link_status |= LINK_STATUS_LINK_UP;
  11866. vars->link_status &= ~link_flag;
  11867. vars->link_up = 1;
  11868. vars->phy_flags &= ~phy_flag;
  11869. led_mode = LED_MODE_OPER;
  11870. /* Clear nig drain */
  11871. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11872. }
  11873. bnx2x_sync_link(params, vars);
  11874. /* Update the LED according to the link state */
  11875. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11876. /* Update link status in the shared memory */
  11877. bnx2x_update_mng(params, vars->link_status);
  11878. /* C. Trigger General Attention */
  11879. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11880. if (notify)
  11881. bnx2x_notify_link_changed(bp);
  11882. return 1;
  11883. }
  11884. /******************************************************************************
  11885. * Description:
  11886. * This function checks for half opened connection change indication.
  11887. * When such change occurs, it calls the bnx2x_analyze_link_error
  11888. * to check if Remote Fault is set or cleared. Reception of remote fault
  11889. * status message in the MAC indicates that the peer's MAC has detected
  11890. * a fault, for example, due to break in the TX side of fiber.
  11891. *
  11892. ******************************************************************************/
  11893. int bnx2x_check_half_open_conn(struct link_params *params,
  11894. struct link_vars *vars,
  11895. u8 notify)
  11896. {
  11897. struct bnx2x *bp = params->bp;
  11898. u32 lss_status = 0;
  11899. u32 mac_base;
  11900. /* In case link status is physically up @ 10G do */
  11901. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11902. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11903. return 0;
  11904. if (CHIP_IS_E3(bp) &&
  11905. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11906. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11907. /* Check E3 XMAC */
  11908. /* Note that link speed cannot be queried here, since it may be
  11909. * zero while link is down. In case UMAC is active, LSS will
  11910. * simply not be set
  11911. */
  11912. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11913. /* Clear stick bits (Requires rising edge) */
  11914. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11915. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11916. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11917. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11918. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11919. lss_status = 1;
  11920. bnx2x_analyze_link_error(params, vars, lss_status,
  11921. PHY_HALF_OPEN_CONN_FLAG,
  11922. LINK_STATUS_NONE, notify);
  11923. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11924. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11925. /* Check E1X / E2 BMAC */
  11926. u32 lss_status_reg;
  11927. u32 wb_data[2];
  11928. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11929. NIG_REG_INGRESS_BMAC0_MEM;
  11930. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11931. if (CHIP_IS_E2(bp))
  11932. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11933. else
  11934. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11935. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11936. lss_status = (wb_data[0] > 0);
  11937. bnx2x_analyze_link_error(params, vars, lss_status,
  11938. PHY_HALF_OPEN_CONN_FLAG,
  11939. LINK_STATUS_NONE, notify);
  11940. }
  11941. return 0;
  11942. }
  11943. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11944. struct link_params *params,
  11945. struct link_vars *vars)
  11946. {
  11947. struct bnx2x *bp = params->bp;
  11948. u32 cfg_pin, value = 0;
  11949. u8 led_change, port = params->port;
  11950. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11951. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11952. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11953. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11954. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11955. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11956. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11957. return;
  11958. }
  11959. led_change = bnx2x_analyze_link_error(params, vars, value,
  11960. PHY_SFP_TX_FAULT_FLAG,
  11961. LINK_STATUS_SFP_TX_FAULT, 1);
  11962. if (led_change) {
  11963. /* Change TX_Fault led, set link status for further syncs */
  11964. u8 led_mode;
  11965. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11966. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11967. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11968. } else {
  11969. led_mode = MISC_REGISTERS_GPIO_LOW;
  11970. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11971. }
  11972. /* If module is unapproved, led should be on regardless */
  11973. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11974. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11975. led_mode);
  11976. bnx2x_set_e3_module_fault_led(params, led_mode);
  11977. }
  11978. }
  11979. }
  11980. static void bnx2x_kr2_recovery(struct link_params *params,
  11981. struct link_vars *vars,
  11982. struct bnx2x_phy *phy)
  11983. {
  11984. struct bnx2x *bp = params->bp;
  11985. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11986. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11987. bnx2x_warpcore_restart_AN_KR(phy, params);
  11988. }
  11989. static void bnx2x_check_kr2_wa(struct link_params *params,
  11990. struct link_vars *vars,
  11991. struct bnx2x_phy *phy)
  11992. {
  11993. struct bnx2x *bp = params->bp;
  11994. u16 base_page, next_page, not_kr2_device, lane;
  11995. int sigdet;
  11996. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11997. * Since some switches tend to reinit the AN process and clear the
  11998. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11999. * and recovered many times
  12000. */
  12001. if (vars->check_kr2_recovery_cnt > 0) {
  12002. vars->check_kr2_recovery_cnt--;
  12003. return;
  12004. }
  12005. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  12006. if (!sigdet) {
  12007. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12008. bnx2x_kr2_recovery(params, vars, phy);
  12009. DP(NETIF_MSG_LINK, "No sigdet\n");
  12010. }
  12011. return;
  12012. }
  12013. lane = bnx2x_get_warpcore_lane(phy, params);
  12014. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12015. MDIO_AER_BLOCK_AER_REG, lane);
  12016. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12017. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12018. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12019. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12020. bnx2x_set_aer_mmd(params, phy);
  12021. /* CL73 has not begun yet */
  12022. if (base_page == 0) {
  12023. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12024. bnx2x_kr2_recovery(params, vars, phy);
  12025. DP(NETIF_MSG_LINK, "No BP\n");
  12026. }
  12027. return;
  12028. }
  12029. /* In case NP bit is not set in the BasePage, or it is set,
  12030. * but only KX is advertised, declare this link partner as non-KR2
  12031. * device.
  12032. */
  12033. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12034. (((base_page & 0x8000) &&
  12035. ((next_page & 0xe0) == 0x2))));
  12036. /* In case KR2 is already disabled, check if we need to re-enable it */
  12037. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12038. if (!not_kr2_device) {
  12039. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12040. next_page);
  12041. bnx2x_kr2_recovery(params, vars, phy);
  12042. }
  12043. return;
  12044. }
  12045. /* KR2 is enabled, but not KR2 device */
  12046. if (not_kr2_device) {
  12047. /* Disable KR2 on both lanes */
  12048. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12049. bnx2x_disable_kr2(params, vars, phy);
  12050. /* Restart AN on leading lane */
  12051. bnx2x_warpcore_restart_AN_KR(phy, params);
  12052. return;
  12053. }
  12054. }
  12055. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12056. {
  12057. u16 phy_idx;
  12058. struct bnx2x *bp = params->bp;
  12059. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12060. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12061. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12062. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12063. 0)
  12064. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12065. break;
  12066. }
  12067. }
  12068. if (CHIP_IS_E3(bp)) {
  12069. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12070. bnx2x_set_aer_mmd(params, phy);
  12071. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12072. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12073. bnx2x_check_kr2_wa(params, vars, phy);
  12074. bnx2x_check_over_curr(params, vars);
  12075. if (vars->rx_tx_asic_rst)
  12076. bnx2x_warpcore_config_runtime(phy, params, vars);
  12077. if ((REG_RD(bp, params->shmem_base +
  12078. offsetof(struct shmem_region, dev_info.
  12079. port_hw_config[params->port].default_cfg))
  12080. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12081. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12082. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12083. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12084. } else if (vars->link_status &
  12085. LINK_STATUS_SFP_TX_FAULT) {
  12086. /* Clean trail, interrupt corrects the leds */
  12087. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12088. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12089. /* Update link status in the shared memory */
  12090. bnx2x_update_mng(params, vars->link_status);
  12091. }
  12092. }
  12093. }
  12094. }
  12095. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12096. u32 shmem_base,
  12097. u32 shmem2_base,
  12098. u8 port)
  12099. {
  12100. u8 phy_index, fan_failure_det_req = 0;
  12101. struct bnx2x_phy phy;
  12102. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12103. phy_index++) {
  12104. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12105. port, &phy)
  12106. != 0) {
  12107. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12108. return 0;
  12109. }
  12110. fan_failure_det_req |= (phy.flags &
  12111. FLAGS_FAN_FAILURE_DET_REQ);
  12112. }
  12113. return fan_failure_det_req;
  12114. }
  12115. void bnx2x_hw_reset_phy(struct link_params *params)
  12116. {
  12117. u8 phy_index;
  12118. struct bnx2x *bp = params->bp;
  12119. bnx2x_update_mng(params, 0);
  12120. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12121. (NIG_MASK_XGXS0_LINK_STATUS |
  12122. NIG_MASK_XGXS0_LINK10G |
  12123. NIG_MASK_SERDES0_LINK_STATUS |
  12124. NIG_MASK_MI_INT));
  12125. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12126. phy_index++) {
  12127. if (params->phy[phy_index].hw_reset) {
  12128. params->phy[phy_index].hw_reset(
  12129. &params->phy[phy_index],
  12130. params);
  12131. params->phy[phy_index] = phy_null;
  12132. }
  12133. }
  12134. }
  12135. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12136. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12137. u8 port)
  12138. {
  12139. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12140. u32 val;
  12141. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12142. if (CHIP_IS_E3(bp)) {
  12143. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12144. shmem_base,
  12145. port,
  12146. &gpio_num,
  12147. &gpio_port) != 0)
  12148. return;
  12149. } else {
  12150. struct bnx2x_phy phy;
  12151. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12152. phy_index++) {
  12153. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12154. shmem2_base, port, &phy)
  12155. != 0) {
  12156. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12157. return;
  12158. }
  12159. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12160. gpio_num = MISC_REGISTERS_GPIO_3;
  12161. gpio_port = port;
  12162. break;
  12163. }
  12164. }
  12165. }
  12166. if (gpio_num == 0xff)
  12167. return;
  12168. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12169. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12170. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12171. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12172. gpio_port ^= (swap_val && swap_override);
  12173. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12174. (gpio_num + (gpio_port << 2));
  12175. sync_offset = shmem_base +
  12176. offsetof(struct shmem_region,
  12177. dev_info.port_hw_config[port].aeu_int_mask);
  12178. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12179. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12180. gpio_num, gpio_port, vars->aeu_int_mask);
  12181. if (port == 0)
  12182. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12183. else
  12184. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12185. /* Open appropriate AEU for interrupts */
  12186. aeu_mask = REG_RD(bp, offset);
  12187. aeu_mask |= vars->aeu_int_mask;
  12188. REG_WR(bp, offset, aeu_mask);
  12189. /* Enable the GPIO to trigger interrupt */
  12190. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12191. val |= 1 << (gpio_num + (gpio_port << 2));
  12192. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12193. }