bnx2x_link.c 399 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  27. struct link_params *params,
  28. u8 dev_addr, u16 addr, u8 byte_cnt,
  29. u8 *o_buf, u8);
  30. /********************************************************/
  31. #define ETH_HLEN 14
  32. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  33. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  34. #define ETH_MIN_PACKET_SIZE 60
  35. #define ETH_MAX_PACKET_SIZE 1500
  36. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  37. #define MDIO_ACCESS_TIMEOUT 1000
  38. #define WC_LANE_MAX 4
  39. #define I2C_SWITCH_WIDTH 2
  40. #define I2C_BSC0 0
  41. #define I2C_BSC1 1
  42. #define I2C_WA_RETRY_CNT 3
  43. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  44. #define MCPR_IMC_COMMAND_READ_OP 1
  45. #define MCPR_IMC_COMMAND_WRITE_OP 2
  46. /* LED Blink rate that will achieve ~15.9Hz */
  47. #define LED_BLINK_RATE_VAL_E3 354
  48. #define LED_BLINK_RATE_VAL_E1X_E2 480
  49. /***********************************************************/
  50. /* Shortcut definitions */
  51. /***********************************************************/
  52. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  53. #define NIG_STATUS_EMAC0_MI_INT \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  55. #define NIG_STATUS_XGXS0_LINK10G \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  57. #define NIG_STATUS_XGXS0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  59. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  60. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  61. #define NIG_STATUS_SERDES0_LINK_STATUS \
  62. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  63. #define NIG_MASK_MI_INT \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  65. #define NIG_MASK_XGXS0_LINK10G \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  67. #define NIG_MASK_XGXS0_LINK_STATUS \
  68. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  69. #define NIG_MASK_SERDES0_LINK_STATUS \
  70. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  71. #define MDIO_AN_CL73_OR_37_COMPLETE \
  72. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  73. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  74. #define XGXS_RESET_BITS \
  75. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  80. #define SERDES_RESET_BITS \
  81. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  82. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  83. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  84. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  85. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  86. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  87. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  88. #define AUTONEG_PARALLEL \
  89. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  90. #define AUTONEG_SGMII_FIBER_AUTODET \
  91. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  92. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  93. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  95. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  97. #define GP_STATUS_SPEED_MASK \
  98. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  99. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  100. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  101. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  102. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  103. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  104. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  105. #define GP_STATUS_10G_HIG \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  107. #define GP_STATUS_10G_CX4 \
  108. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  109. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  110. #define GP_STATUS_10G_KX4 \
  111. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  112. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  113. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  114. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  115. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  116. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  117. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  118. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  119. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  120. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  121. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  122. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  123. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  124. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  125. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  126. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  127. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  128. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  129. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  130. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  131. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  132. #define LINK_UPDATE_MASK \
  133. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  134. LINK_STATUS_LINK_UP | \
  135. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  136. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  137. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  138. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  139. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  140. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  141. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  142. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  143. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  144. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  145. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  146. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  147. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  148. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  149. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  150. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  151. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  152. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  153. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  154. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  155. #define SFP_EEPROM_OPTIONS_SIZE 2
  156. #define EDC_MODE_LINEAR 0x0022
  157. #define EDC_MODE_LIMITING 0x0044
  158. #define EDC_MODE_PASSIVE_DAC 0x0055
  159. /* ETS defines*/
  160. #define DCBX_INVALID_COS (0xFF)
  161. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  162. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  163. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  164. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  165. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  166. #define MAX_PACKET_SIZE (9700)
  167. #define MAX_KR_LINK_RETRY 4
  168. /**********************************************************/
  169. /* INTERFACE */
  170. /**********************************************************/
  171. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  172. bnx2x_cl45_write(_bp, _phy, \
  173. (_phy)->def_md_devad, \
  174. (_bank + (_addr & 0xf)), \
  175. _val)
  176. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  177. bnx2x_cl45_read(_bp, _phy, \
  178. (_phy)->def_md_devad, \
  179. (_bank + (_addr & 0xf)), \
  180. _val)
  181. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  182. {
  183. u32 val = REG_RD(bp, reg);
  184. val |= bits;
  185. REG_WR(bp, reg, val);
  186. return val;
  187. }
  188. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  189. {
  190. u32 val = REG_RD(bp, reg);
  191. val &= ~bits;
  192. REG_WR(bp, reg, val);
  193. return val;
  194. }
  195. /*
  196. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  197. * or link flap can be avoided.
  198. *
  199. * @params: link parameters
  200. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  201. * condition code.
  202. */
  203. static int bnx2x_check_lfa(struct link_params *params)
  204. {
  205. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  206. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  207. u32 saved_val, req_val, eee_status;
  208. struct bnx2x *bp = params->bp;
  209. additional_config =
  210. REG_RD(bp, params->lfa_base +
  211. offsetof(struct shmem_lfa, additional_config));
  212. /* NOTE: must be first condition checked -
  213. * to verify DCC bit is cleared in any case!
  214. */
  215. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  216. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  217. REG_WR(bp, params->lfa_base +
  218. offsetof(struct shmem_lfa, additional_config),
  219. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  220. return LFA_DCC_LFA_DISABLED;
  221. }
  222. /* Verify that link is up */
  223. link_status = REG_RD(bp, params->shmem_base +
  224. offsetof(struct shmem_region,
  225. port_mb[params->port].link_status));
  226. if (!(link_status & LINK_STATUS_LINK_UP))
  227. return LFA_LINK_DOWN;
  228. /* if loaded after BOOT from SAN, don't flap the link in any case and
  229. * rely on link set by preboot driver
  230. */
  231. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  232. return 0;
  233. /* Verify that loopback mode is not set */
  234. if (params->loopback_mode)
  235. return LFA_LOOPBACK_ENABLED;
  236. /* Verify that MFW supports LFA */
  237. if (!params->lfa_base)
  238. return LFA_MFW_IS_TOO_OLD;
  239. if (params->num_phys == 3) {
  240. cfg_size = 2;
  241. lfa_mask = 0xffffffff;
  242. } else {
  243. cfg_size = 1;
  244. lfa_mask = 0xffff;
  245. }
  246. /* Compare Duplex */
  247. saved_val = REG_RD(bp, params->lfa_base +
  248. offsetof(struct shmem_lfa, req_duplex));
  249. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  250. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  251. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  252. (saved_val & lfa_mask), (req_val & lfa_mask));
  253. return LFA_DUPLEX_MISMATCH;
  254. }
  255. /* Compare Flow Control */
  256. saved_val = REG_RD(bp, params->lfa_base +
  257. offsetof(struct shmem_lfa, req_flow_ctrl));
  258. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  259. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  260. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  261. (saved_val & lfa_mask), (req_val & lfa_mask));
  262. return LFA_FLOW_CTRL_MISMATCH;
  263. }
  264. /* Compare Link Speed */
  265. saved_val = REG_RD(bp, params->lfa_base +
  266. offsetof(struct shmem_lfa, req_line_speed));
  267. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  268. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  269. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  270. (saved_val & lfa_mask), (req_val & lfa_mask));
  271. return LFA_LINK_SPEED_MISMATCH;
  272. }
  273. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  274. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  275. offsetof(struct shmem_lfa,
  276. speed_cap_mask[cfg_idx]));
  277. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  278. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  279. cur_speed_cap_mask,
  280. params->speed_cap_mask[cfg_idx]);
  281. return LFA_SPEED_CAP_MISMATCH;
  282. }
  283. }
  284. cur_req_fc_auto_adv =
  285. REG_RD(bp, params->lfa_base +
  286. offsetof(struct shmem_lfa, additional_config)) &
  287. REQ_FC_AUTO_ADV_MASK;
  288. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  289. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  290. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  291. return LFA_FLOW_CTRL_MISMATCH;
  292. }
  293. eee_status = REG_RD(bp, params->shmem2_base +
  294. offsetof(struct shmem2_region,
  295. eee_status[params->port]));
  296. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  297. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  298. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  299. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  300. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  301. eee_status);
  302. return LFA_EEE_MISMATCH;
  303. }
  304. /* LFA conditions are met */
  305. return 0;
  306. }
  307. /******************************************************************/
  308. /* EPIO/GPIO section */
  309. /******************************************************************/
  310. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  311. {
  312. u32 epio_mask, gp_oenable;
  313. *en = 0;
  314. /* Sanity check */
  315. if (epio_pin > 31) {
  316. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  317. return;
  318. }
  319. epio_mask = 1 << epio_pin;
  320. /* Set this EPIO to output */
  321. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  322. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  323. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  324. }
  325. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  326. {
  327. u32 epio_mask, gp_output, gp_oenable;
  328. /* Sanity check */
  329. if (epio_pin > 31) {
  330. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  331. return;
  332. }
  333. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  334. epio_mask = 1 << epio_pin;
  335. /* Set this EPIO to output */
  336. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  337. if (en)
  338. gp_output |= epio_mask;
  339. else
  340. gp_output &= ~epio_mask;
  341. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  342. /* Set the value for this EPIO */
  343. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  344. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  345. }
  346. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  347. {
  348. if (pin_cfg == PIN_CFG_NA)
  349. return;
  350. if (pin_cfg >= PIN_CFG_EPIO0) {
  351. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  352. } else {
  353. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  354. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  355. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  356. }
  357. }
  358. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  359. {
  360. if (pin_cfg == PIN_CFG_NA)
  361. return -EINVAL;
  362. if (pin_cfg >= PIN_CFG_EPIO0) {
  363. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  364. } else {
  365. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  366. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  367. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  368. }
  369. return 0;
  370. }
  371. /******************************************************************/
  372. /* ETS section */
  373. /******************************************************************/
  374. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  375. {
  376. /* ETS disabled configuration*/
  377. struct bnx2x *bp = params->bp;
  378. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  379. /* mapping between entry priority to client number (0,1,2 -debug and
  380. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  381. * 3bits client num.
  382. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  383. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  384. */
  385. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  386. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  387. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  388. * COS0 entry, 4 - COS1 entry.
  389. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  390. * bit4 bit3 bit2 bit1 bit0
  391. * MCP and debug are strict
  392. */
  393. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  394. /* defines which entries (clients) are subjected to WFQ arbitration */
  395. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  396. /* For strict priority entries defines the number of consecutive
  397. * slots for the highest priority.
  398. */
  399. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  400. /* mapping between the CREDIT_WEIGHT registers and actual client
  401. * numbers
  402. */
  403. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  405. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  406. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  407. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  408. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  409. /* ETS mode disable */
  410. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  411. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  412. * weight for COS0/COS1.
  413. */
  414. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  415. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  416. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  417. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  418. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  419. /* Defines the number of consecutive slots for the strict priority */
  420. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  421. }
  422. /******************************************************************************
  423. * Description:
  424. * Getting min_w_val will be set according to line speed .
  425. *.
  426. ******************************************************************************/
  427. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  428. {
  429. u32 min_w_val = 0;
  430. /* Calculate min_w_val.*/
  431. if (vars->link_up) {
  432. if (vars->line_speed == SPEED_20000)
  433. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  434. else
  435. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  436. } else
  437. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  438. /* If the link isn't up (static configuration for example ) The
  439. * link will be according to 20GBPS.
  440. */
  441. return min_w_val;
  442. }
  443. /******************************************************************************
  444. * Description:
  445. * Getting credit upper bound form min_w_val.
  446. *.
  447. ******************************************************************************/
  448. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  449. {
  450. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  451. MAX_PACKET_SIZE);
  452. return credit_upper_bound;
  453. }
  454. /******************************************************************************
  455. * Description:
  456. * Set credit upper bound for NIG.
  457. *.
  458. ******************************************************************************/
  459. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  460. const struct link_params *params,
  461. const u32 min_w_val)
  462. {
  463. struct bnx2x *bp = params->bp;
  464. const u8 port = params->port;
  465. const u32 credit_upper_bound =
  466. bnx2x_ets_get_credit_upper_bound(min_w_val);
  467. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  468. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  469. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  470. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  471. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  472. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  473. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  474. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  475. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  476. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  477. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  478. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  479. if (!port) {
  480. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  481. credit_upper_bound);
  482. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  483. credit_upper_bound);
  484. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  485. credit_upper_bound);
  486. }
  487. }
  488. /******************************************************************************
  489. * Description:
  490. * Will return the NIG ETS registers to init values.Except
  491. * credit_upper_bound.
  492. * That isn't used in this configuration (No WFQ is enabled) and will be
  493. * configured acording to spec
  494. *.
  495. ******************************************************************************/
  496. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  497. const struct link_vars *vars)
  498. {
  499. struct bnx2x *bp = params->bp;
  500. const u8 port = params->port;
  501. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  502. /* Mapping between entry priority to client number (0,1,2 -debug and
  503. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  504. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  505. * reset value or init tool
  506. */
  507. if (port) {
  508. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  509. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  510. } else {
  511. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  512. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  513. }
  514. /* For strict priority entries defines the number of consecutive
  515. * slots for the highest priority.
  516. */
  517. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  518. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  519. /* Mapping between the CREDIT_WEIGHT registers and actual client
  520. * numbers
  521. */
  522. if (port) {
  523. /*Port 1 has 6 COS*/
  524. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  525. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  526. } else {
  527. /*Port 0 has 9 COS*/
  528. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  529. 0x43210876);
  530. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  531. }
  532. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  533. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  534. * COS0 entry, 4 - COS1 entry.
  535. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  536. * bit4 bit3 bit2 bit1 bit0
  537. * MCP and debug are strict
  538. */
  539. if (port)
  540. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  541. else
  542. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  543. /* defines which entries (clients) are subjected to WFQ arbitration */
  544. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  545. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  546. /* Please notice the register address are note continuous and a
  547. * for here is note appropriate.In 2 port mode port0 only COS0-5
  548. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  549. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  550. * are never used for WFQ
  551. */
  552. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  553. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  554. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  555. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  556. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  557. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  558. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  559. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  560. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  561. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  562. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  563. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  564. if (!port) {
  565. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  566. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  567. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  568. }
  569. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  570. }
  571. /******************************************************************************
  572. * Description:
  573. * Set credit upper bound for PBF.
  574. *.
  575. ******************************************************************************/
  576. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  577. const struct link_params *params,
  578. const u32 min_w_val)
  579. {
  580. struct bnx2x *bp = params->bp;
  581. const u32 credit_upper_bound =
  582. bnx2x_ets_get_credit_upper_bound(min_w_val);
  583. const u8 port = params->port;
  584. u32 base_upper_bound = 0;
  585. u8 max_cos = 0;
  586. u8 i = 0;
  587. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  588. * port mode port1 has COS0-2 that can be used for WFQ.
  589. */
  590. if (!port) {
  591. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  592. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  593. } else {
  594. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  595. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  596. }
  597. for (i = 0; i < max_cos; i++)
  598. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  599. }
  600. /******************************************************************************
  601. * Description:
  602. * Will return the PBF ETS registers to init values.Except
  603. * credit_upper_bound.
  604. * That isn't used in this configuration (No WFQ is enabled) and will be
  605. * configured acording to spec
  606. *.
  607. ******************************************************************************/
  608. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  609. {
  610. struct bnx2x *bp = params->bp;
  611. const u8 port = params->port;
  612. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  613. u8 i = 0;
  614. u32 base_weight = 0;
  615. u8 max_cos = 0;
  616. /* Mapping between entry priority to client number 0 - COS0
  617. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  618. * TODO_ETS - Should be done by reset value or init tool
  619. */
  620. if (port)
  621. /* 0x688 (|011|0 10|00 1|000) */
  622. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  623. else
  624. /* (10 1|100 |011|0 10|00 1|000) */
  625. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  626. /* TODO_ETS - Should be done by reset value or init tool */
  627. if (port)
  628. /* 0x688 (|011|0 10|00 1|000)*/
  629. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  630. else
  631. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  632. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  633. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  634. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  635. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  636. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  637. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  638. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  639. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  640. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  641. */
  642. if (!port) {
  643. base_weight = PBF_REG_COS0_WEIGHT_P0;
  644. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  645. } else {
  646. base_weight = PBF_REG_COS0_WEIGHT_P1;
  647. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  648. }
  649. for (i = 0; i < max_cos; i++)
  650. REG_WR(bp, base_weight + (0x4 * i), 0);
  651. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  652. }
  653. /******************************************************************************
  654. * Description:
  655. * E3B0 disable will return basicly the values to init values.
  656. *.
  657. ******************************************************************************/
  658. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  659. const struct link_vars *vars)
  660. {
  661. struct bnx2x *bp = params->bp;
  662. if (!CHIP_IS_E3B0(bp)) {
  663. DP(NETIF_MSG_LINK,
  664. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  665. return -EINVAL;
  666. }
  667. bnx2x_ets_e3b0_nig_disabled(params, vars);
  668. bnx2x_ets_e3b0_pbf_disabled(params);
  669. return 0;
  670. }
  671. /******************************************************************************
  672. * Description:
  673. * Disable will return basicly the values to init values.
  674. *
  675. ******************************************************************************/
  676. int bnx2x_ets_disabled(struct link_params *params,
  677. struct link_vars *vars)
  678. {
  679. struct bnx2x *bp = params->bp;
  680. int bnx2x_status = 0;
  681. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  682. bnx2x_ets_e2e3a0_disabled(params);
  683. else if (CHIP_IS_E3B0(bp))
  684. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  685. else {
  686. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  687. return -EINVAL;
  688. }
  689. return bnx2x_status;
  690. }
  691. /******************************************************************************
  692. * Description
  693. * Set the COS mappimg to SP and BW until this point all the COS are not
  694. * set as SP or BW.
  695. ******************************************************************************/
  696. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  697. const struct bnx2x_ets_params *ets_params,
  698. const u8 cos_sp_bitmap,
  699. const u8 cos_bw_bitmap)
  700. {
  701. struct bnx2x *bp = params->bp;
  702. const u8 port = params->port;
  703. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  704. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  705. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  706. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  707. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  708. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  709. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  710. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  711. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  712. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  713. nig_cli_subject2wfq_bitmap);
  714. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  715. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  716. pbf_cli_subject2wfq_bitmap);
  717. return 0;
  718. }
  719. /******************************************************************************
  720. * Description:
  721. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  722. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  723. ******************************************************************************/
  724. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  725. const u8 cos_entry,
  726. const u32 min_w_val_nig,
  727. const u32 min_w_val_pbf,
  728. const u16 total_bw,
  729. const u8 bw,
  730. const u8 port)
  731. {
  732. u32 nig_reg_adress_crd_weight = 0;
  733. u32 pbf_reg_adress_crd_weight = 0;
  734. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  735. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  736. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  737. switch (cos_entry) {
  738. case 0:
  739. nig_reg_adress_crd_weight =
  740. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  741. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  742. pbf_reg_adress_crd_weight = (port) ?
  743. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  744. break;
  745. case 1:
  746. nig_reg_adress_crd_weight = (port) ?
  747. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  748. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  749. pbf_reg_adress_crd_weight = (port) ?
  750. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  751. break;
  752. case 2:
  753. nig_reg_adress_crd_weight = (port) ?
  754. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  755. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  756. pbf_reg_adress_crd_weight = (port) ?
  757. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  758. break;
  759. case 3:
  760. if (port)
  761. return -EINVAL;
  762. nig_reg_adress_crd_weight =
  763. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  764. pbf_reg_adress_crd_weight =
  765. PBF_REG_COS3_WEIGHT_P0;
  766. break;
  767. case 4:
  768. if (port)
  769. return -EINVAL;
  770. nig_reg_adress_crd_weight =
  771. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  772. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  773. break;
  774. case 5:
  775. if (port)
  776. return -EINVAL;
  777. nig_reg_adress_crd_weight =
  778. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  779. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  780. break;
  781. }
  782. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  783. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  784. return 0;
  785. }
  786. /******************************************************************************
  787. * Description:
  788. * Calculate the total BW.A value of 0 isn't legal.
  789. *
  790. ******************************************************************************/
  791. static int bnx2x_ets_e3b0_get_total_bw(
  792. const struct link_params *params,
  793. struct bnx2x_ets_params *ets_params,
  794. u16 *total_bw)
  795. {
  796. struct bnx2x *bp = params->bp;
  797. u8 cos_idx = 0;
  798. u8 is_bw_cos_exist = 0;
  799. *total_bw = 0 ;
  800. /* Calculate total BW requested */
  801. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  802. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  803. is_bw_cos_exist = 1;
  804. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  805. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  806. "was set to 0\n");
  807. /* This is to prevent a state when ramrods
  808. * can't be sent
  809. */
  810. ets_params->cos[cos_idx].params.bw_params.bw
  811. = 1;
  812. }
  813. *total_bw +=
  814. ets_params->cos[cos_idx].params.bw_params.bw;
  815. }
  816. }
  817. /* Check total BW is valid */
  818. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  819. if (*total_bw == 0) {
  820. DP(NETIF_MSG_LINK,
  821. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  822. return -EINVAL;
  823. }
  824. DP(NETIF_MSG_LINK,
  825. "bnx2x_ets_E3B0_config total BW should be 100\n");
  826. /* We can handle a case whre the BW isn't 100 this can happen
  827. * if the TC are joined.
  828. */
  829. }
  830. return 0;
  831. }
  832. /******************************************************************************
  833. * Description:
  834. * Invalidate all the sp_pri_to_cos.
  835. *
  836. ******************************************************************************/
  837. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  838. {
  839. u8 pri = 0;
  840. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  841. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  846. * according to sp_pri_to_cos.
  847. *
  848. ******************************************************************************/
  849. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  850. u8 *sp_pri_to_cos, const u8 pri,
  851. const u8 cos_entry)
  852. {
  853. struct bnx2x *bp = params->bp;
  854. const u8 port = params->port;
  855. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  856. DCBX_E3B0_MAX_NUM_COS_PORT0;
  857. if (pri >= max_num_of_cos) {
  858. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  859. "parameter Illegal strict priority\n");
  860. return -EINVAL;
  861. }
  862. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  863. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  864. "parameter There can't be two COS's with "
  865. "the same strict pri\n");
  866. return -EINVAL;
  867. }
  868. sp_pri_to_cos[pri] = cos_entry;
  869. return 0;
  870. }
  871. /******************************************************************************
  872. * Description:
  873. * Returns the correct value according to COS and priority in
  874. * the sp_pri_cli register.
  875. *
  876. ******************************************************************************/
  877. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  878. const u8 pri_set,
  879. const u8 pri_offset,
  880. const u8 entry_size)
  881. {
  882. u64 pri_cli_nig = 0;
  883. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  884. (pri_set + pri_offset));
  885. return pri_cli_nig;
  886. }
  887. /******************************************************************************
  888. * Description:
  889. * Returns the correct value according to COS and priority in the
  890. * sp_pri_cli register for NIG.
  891. *
  892. ******************************************************************************/
  893. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  894. {
  895. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  896. const u8 nig_cos_offset = 3;
  897. const u8 nig_pri_offset = 3;
  898. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  899. nig_pri_offset, 4);
  900. }
  901. /******************************************************************************
  902. * Description:
  903. * Returns the correct value according to COS and priority in the
  904. * sp_pri_cli register for PBF.
  905. *
  906. ******************************************************************************/
  907. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  908. {
  909. const u8 pbf_cos_offset = 0;
  910. const u8 pbf_pri_offset = 0;
  911. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  912. pbf_pri_offset, 3);
  913. }
  914. /******************************************************************************
  915. * Description:
  916. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  917. * according to sp_pri_to_cos.(which COS has higher priority)
  918. *
  919. ******************************************************************************/
  920. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  921. u8 *sp_pri_to_cos)
  922. {
  923. struct bnx2x *bp = params->bp;
  924. u8 i = 0;
  925. const u8 port = params->port;
  926. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  927. u64 pri_cli_nig = 0x210;
  928. u32 pri_cli_pbf = 0x0;
  929. u8 pri_set = 0;
  930. u8 pri_bitmask = 0;
  931. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  932. DCBX_E3B0_MAX_NUM_COS_PORT0;
  933. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  934. /* Set all the strict priority first */
  935. for (i = 0; i < max_num_of_cos; i++) {
  936. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  937. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  938. DP(NETIF_MSG_LINK,
  939. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  940. "invalid cos entry\n");
  941. return -EINVAL;
  942. }
  943. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  944. sp_pri_to_cos[i], pri_set);
  945. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  946. sp_pri_to_cos[i], pri_set);
  947. pri_bitmask = 1 << sp_pri_to_cos[i];
  948. /* COS is used remove it from bitmap.*/
  949. if (!(pri_bitmask & cos_bit_to_set)) {
  950. DP(NETIF_MSG_LINK,
  951. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  952. "invalid There can't be two COS's with"
  953. " the same strict pri\n");
  954. return -EINVAL;
  955. }
  956. cos_bit_to_set &= ~pri_bitmask;
  957. pri_set++;
  958. }
  959. }
  960. /* Set all the Non strict priority i= COS*/
  961. for (i = 0; i < max_num_of_cos; i++) {
  962. pri_bitmask = 1 << i;
  963. /* Check if COS was already used for SP */
  964. if (pri_bitmask & cos_bit_to_set) {
  965. /* COS wasn't used for SP */
  966. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  967. i, pri_set);
  968. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  969. i, pri_set);
  970. /* COS is used remove it from bitmap.*/
  971. cos_bit_to_set &= ~pri_bitmask;
  972. pri_set++;
  973. }
  974. }
  975. if (pri_set != max_num_of_cos) {
  976. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  977. "entries were set\n");
  978. return -EINVAL;
  979. }
  980. if (port) {
  981. /* Only 6 usable clients*/
  982. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  983. (u32)pri_cli_nig);
  984. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  985. } else {
  986. /* Only 9 usable clients*/
  987. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  988. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  989. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  990. pri_cli_nig_lsb);
  991. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  992. pri_cli_nig_msb);
  993. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  994. }
  995. return 0;
  996. }
  997. /******************************************************************************
  998. * Description:
  999. * Configure the COS to ETS according to BW and SP settings.
  1000. ******************************************************************************/
  1001. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1002. const struct link_vars *vars,
  1003. struct bnx2x_ets_params *ets_params)
  1004. {
  1005. struct bnx2x *bp = params->bp;
  1006. int bnx2x_status = 0;
  1007. const u8 port = params->port;
  1008. u16 total_bw = 0;
  1009. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1010. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1011. u8 cos_bw_bitmap = 0;
  1012. u8 cos_sp_bitmap = 0;
  1013. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1014. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1015. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1016. u8 cos_entry = 0;
  1017. if (!CHIP_IS_E3B0(bp)) {
  1018. DP(NETIF_MSG_LINK,
  1019. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1020. return -EINVAL;
  1021. }
  1022. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1023. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1024. "isn't supported\n");
  1025. return -EINVAL;
  1026. }
  1027. /* Prepare sp strict priority parameters*/
  1028. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1029. /* Prepare BW parameters*/
  1030. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1031. &total_bw);
  1032. if (bnx2x_status) {
  1033. DP(NETIF_MSG_LINK,
  1034. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1035. return -EINVAL;
  1036. }
  1037. /* Upper bound is set according to current link speed (min_w_val
  1038. * should be the same for upper bound and COS credit val).
  1039. */
  1040. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1041. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1042. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1043. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1044. cos_bw_bitmap |= (1 << cos_entry);
  1045. /* The function also sets the BW in HW(not the mappin
  1046. * yet)
  1047. */
  1048. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1049. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1050. total_bw,
  1051. ets_params->cos[cos_entry].params.bw_params.bw,
  1052. port);
  1053. } else if (bnx2x_cos_state_strict ==
  1054. ets_params->cos[cos_entry].state){
  1055. cos_sp_bitmap |= (1 << cos_entry);
  1056. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1057. params,
  1058. sp_pri_to_cos,
  1059. ets_params->cos[cos_entry].params.sp_params.pri,
  1060. cos_entry);
  1061. } else {
  1062. DP(NETIF_MSG_LINK,
  1063. "bnx2x_ets_e3b0_config cos state not valid\n");
  1064. return -EINVAL;
  1065. }
  1066. if (bnx2x_status) {
  1067. DP(NETIF_MSG_LINK,
  1068. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1069. return bnx2x_status;
  1070. }
  1071. }
  1072. /* Set SP register (which COS has higher priority) */
  1073. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1074. sp_pri_to_cos);
  1075. if (bnx2x_status) {
  1076. DP(NETIF_MSG_LINK,
  1077. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1078. return bnx2x_status;
  1079. }
  1080. /* Set client mapping of BW and strict */
  1081. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1082. cos_sp_bitmap,
  1083. cos_bw_bitmap);
  1084. if (bnx2x_status) {
  1085. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1086. return bnx2x_status;
  1087. }
  1088. return 0;
  1089. }
  1090. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1091. {
  1092. /* ETS disabled configuration */
  1093. struct bnx2x *bp = params->bp;
  1094. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1095. /* Defines which entries (clients) are subjected to WFQ arbitration
  1096. * COS0 0x8
  1097. * COS1 0x10
  1098. */
  1099. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1100. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1101. * client numbers (WEIGHT_0 does not actually have to represent
  1102. * client 0)
  1103. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1104. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1105. */
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1107. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1108. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1109. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1110. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1111. /* ETS mode enabled*/
  1112. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1113. /* Defines the number of consecutive slots for the strict priority */
  1114. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1115. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1116. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1117. * entry, 4 - COS1 entry.
  1118. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1119. * bit4 bit3 bit2 bit1 bit0
  1120. * MCP and debug are strict
  1121. */
  1122. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1123. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1124. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1125. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1126. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1127. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1128. }
  1129. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1130. const u32 cos1_bw)
  1131. {
  1132. /* ETS disabled configuration*/
  1133. struct bnx2x *bp = params->bp;
  1134. const u32 total_bw = cos0_bw + cos1_bw;
  1135. u32 cos0_credit_weight = 0;
  1136. u32 cos1_credit_weight = 0;
  1137. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1138. if ((!total_bw) ||
  1139. (!cos0_bw) ||
  1140. (!cos1_bw)) {
  1141. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1142. return;
  1143. }
  1144. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1145. total_bw;
  1146. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1147. total_bw;
  1148. bnx2x_ets_bw_limit_common(params);
  1149. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1151. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1152. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1153. }
  1154. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1155. {
  1156. /* ETS disabled configuration*/
  1157. struct bnx2x *bp = params->bp;
  1158. u32 val = 0;
  1159. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1160. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1161. * as strict. Bits 0,1,2 - debug and management entries,
  1162. * 3 - COS0 entry, 4 - COS1 entry.
  1163. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1164. * bit4 bit3 bit2 bit1 bit0
  1165. * MCP and debug are strict
  1166. */
  1167. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1168. /* For strict priority entries defines the number of consecutive slots
  1169. * for the highest priority.
  1170. */
  1171. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1172. /* ETS mode disable */
  1173. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1174. /* Defines the number of consecutive slots for the strict priority */
  1175. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1176. /* Defines the number of consecutive slots for the strict priority */
  1177. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1178. /* Mapping between entry priority to client number (0,1,2 -debug and
  1179. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1180. * 3bits client num.
  1181. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1182. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1183. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1184. */
  1185. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1186. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1187. return 0;
  1188. }
  1189. /******************************************************************/
  1190. /* PFC section */
  1191. /******************************************************************/
  1192. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1193. struct link_vars *vars,
  1194. u8 is_lb)
  1195. {
  1196. struct bnx2x *bp = params->bp;
  1197. u32 xmac_base;
  1198. u32 pause_val, pfc0_val, pfc1_val;
  1199. /* XMAC base adrr */
  1200. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1201. /* Initialize pause and pfc registers */
  1202. pause_val = 0x18000;
  1203. pfc0_val = 0xFFFF8000;
  1204. pfc1_val = 0x2;
  1205. /* No PFC support */
  1206. if (!(params->feature_config_flags &
  1207. FEATURE_CONFIG_PFC_ENABLED)) {
  1208. /* RX flow control - Process pause frame in receive direction
  1209. */
  1210. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1211. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1212. /* TX flow control - Send pause packet when buffer is full */
  1213. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1214. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1215. } else {/* PFC support */
  1216. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1217. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1218. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1219. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1220. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1221. /* Write pause and PFC registers */
  1222. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1223. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1224. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1225. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1226. }
  1227. /* Write pause and PFC registers */
  1228. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1229. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1230. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1231. /* Set MAC address for source TX Pause/PFC frames */
  1232. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1233. ((params->mac_addr[2] << 24) |
  1234. (params->mac_addr[3] << 16) |
  1235. (params->mac_addr[4] << 8) |
  1236. (params->mac_addr[5])));
  1237. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1238. ((params->mac_addr[0] << 8) |
  1239. (params->mac_addr[1])));
  1240. udelay(30);
  1241. }
  1242. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1243. u32 pfc_frames_sent[2],
  1244. u32 pfc_frames_received[2])
  1245. {
  1246. /* Read pfc statistic */
  1247. struct bnx2x *bp = params->bp;
  1248. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1249. u32 val_xon = 0;
  1250. u32 val_xoff = 0;
  1251. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1252. /* PFC received frames */
  1253. val_xoff = REG_RD(bp, emac_base +
  1254. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1255. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1256. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1257. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1258. pfc_frames_received[0] = val_xon + val_xoff;
  1259. /* PFC received sent */
  1260. val_xoff = REG_RD(bp, emac_base +
  1261. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1262. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1263. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1264. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1265. pfc_frames_sent[0] = val_xon + val_xoff;
  1266. }
  1267. /* Read pfc statistic*/
  1268. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1269. u32 pfc_frames_sent[2],
  1270. u32 pfc_frames_received[2])
  1271. {
  1272. /* Read pfc statistic */
  1273. struct bnx2x *bp = params->bp;
  1274. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1275. if (!vars->link_up)
  1276. return;
  1277. if (vars->mac_type == MAC_TYPE_EMAC) {
  1278. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1279. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1280. pfc_frames_received);
  1281. }
  1282. }
  1283. /******************************************************************/
  1284. /* MAC/PBF section */
  1285. /******************************************************************/
  1286. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1287. u32 emac_base)
  1288. {
  1289. u32 new_mode, cur_mode;
  1290. u32 clc_cnt;
  1291. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1292. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1293. */
  1294. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1295. if (USES_WARPCORE(bp))
  1296. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1297. else
  1298. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1299. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1300. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1301. return;
  1302. new_mode = cur_mode &
  1303. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1304. new_mode |= clc_cnt;
  1305. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1306. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1307. cur_mode, new_mode);
  1308. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1309. udelay(40);
  1310. }
  1311. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1312. struct link_params *params)
  1313. {
  1314. u8 phy_index;
  1315. /* Set mdio clock per phy */
  1316. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1317. phy_index++)
  1318. bnx2x_set_mdio_clk(bp, params->chip_id,
  1319. params->phy[phy_index].mdio_ctrl);
  1320. }
  1321. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1322. {
  1323. u32 port4mode_ovwr_val;
  1324. /* Check 4-port override enabled */
  1325. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1326. if (port4mode_ovwr_val & (1<<0)) {
  1327. /* Return 4-port mode override value */
  1328. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1329. }
  1330. /* Return 4-port mode from input pin */
  1331. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1332. }
  1333. static void bnx2x_emac_init(struct link_params *params,
  1334. struct link_vars *vars)
  1335. {
  1336. /* reset and unreset the emac core */
  1337. struct bnx2x *bp = params->bp;
  1338. u8 port = params->port;
  1339. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1340. u32 val;
  1341. u16 timeout;
  1342. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1343. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1344. udelay(5);
  1345. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1346. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1347. /* init emac - use read-modify-write */
  1348. /* self clear reset */
  1349. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1350. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1351. timeout = 200;
  1352. do {
  1353. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1354. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1355. if (!timeout) {
  1356. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1357. return;
  1358. }
  1359. timeout--;
  1360. } while (val & EMAC_MODE_RESET);
  1361. bnx2x_set_mdio_emac_per_phy(bp, params);
  1362. /* Set mac address */
  1363. val = ((params->mac_addr[0] << 8) |
  1364. params->mac_addr[1]);
  1365. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1366. val = ((params->mac_addr[2] << 24) |
  1367. (params->mac_addr[3] << 16) |
  1368. (params->mac_addr[4] << 8) |
  1369. params->mac_addr[5]);
  1370. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1371. }
  1372. static void bnx2x_set_xumac_nig(struct link_params *params,
  1373. u16 tx_pause_en,
  1374. u8 enable)
  1375. {
  1376. struct bnx2x *bp = params->bp;
  1377. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1378. enable);
  1379. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1380. enable);
  1381. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1382. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1383. }
  1384. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1385. {
  1386. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1387. u32 val;
  1388. struct bnx2x *bp = params->bp;
  1389. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1390. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1391. return;
  1392. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1393. if (en)
  1394. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1395. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1396. else
  1397. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1398. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1399. /* Disable RX and TX */
  1400. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1401. }
  1402. static void bnx2x_umac_enable(struct link_params *params,
  1403. struct link_vars *vars, u8 lb)
  1404. {
  1405. u32 val;
  1406. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1407. struct bnx2x *bp = params->bp;
  1408. /* Reset UMAC */
  1409. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1410. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1411. usleep_range(1000, 2000);
  1412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1413. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1414. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1415. /* This register opens the gate for the UMAC despite its name */
  1416. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1417. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1418. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1419. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1420. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1421. switch (vars->line_speed) {
  1422. case SPEED_10:
  1423. val |= (0<<2);
  1424. break;
  1425. case SPEED_100:
  1426. val |= (1<<2);
  1427. break;
  1428. case SPEED_1000:
  1429. val |= (2<<2);
  1430. break;
  1431. case SPEED_2500:
  1432. val |= (3<<2);
  1433. break;
  1434. default:
  1435. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1436. vars->line_speed);
  1437. break;
  1438. }
  1439. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1440. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1441. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1442. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1443. if (vars->duplex == DUPLEX_HALF)
  1444. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1445. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1446. udelay(50);
  1447. /* Configure UMAC for EEE */
  1448. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1449. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1450. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1451. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1452. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1453. } else {
  1454. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1455. }
  1456. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1457. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1458. ((params->mac_addr[2] << 24) |
  1459. (params->mac_addr[3] << 16) |
  1460. (params->mac_addr[4] << 8) |
  1461. (params->mac_addr[5])));
  1462. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1463. ((params->mac_addr[0] << 8) |
  1464. (params->mac_addr[1])));
  1465. /* Enable RX and TX */
  1466. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1467. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1468. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1469. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1470. udelay(50);
  1471. /* Remove SW Reset */
  1472. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1473. /* Check loopback mode */
  1474. if (lb)
  1475. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1476. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1477. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1478. * length used by the MAC receive logic to check frames.
  1479. */
  1480. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1481. bnx2x_set_xumac_nig(params,
  1482. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1483. vars->mac_type = MAC_TYPE_UMAC;
  1484. }
  1485. /* Define the XMAC mode */
  1486. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1487. {
  1488. struct bnx2x *bp = params->bp;
  1489. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1490. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1491. * already out of reset, it means the mode has already been set,
  1492. * and it must not* reset the XMAC again, since it controls both
  1493. * ports of the path
  1494. */
  1495. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1496. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1497. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1498. is_port4mode &&
  1499. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1500. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1501. DP(NETIF_MSG_LINK,
  1502. "XMAC already out of reset in 4-port mode\n");
  1503. return;
  1504. }
  1505. /* Hard reset */
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC);
  1508. usleep_range(1000, 2000);
  1509. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1510. MISC_REGISTERS_RESET_REG_2_XMAC);
  1511. if (is_port4mode) {
  1512. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1513. /* Set the number of ports on the system side to up to 2 */
  1514. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1515. /* Set the number of ports on the Warp Core to 10G */
  1516. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1517. } else {
  1518. /* Set the number of ports on the system side to 1 */
  1519. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1520. if (max_speed == SPEED_10000) {
  1521. DP(NETIF_MSG_LINK,
  1522. "Init XMAC to 10G x 1 port per path\n");
  1523. /* Set the number of ports on the Warp Core to 10G */
  1524. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1525. } else {
  1526. DP(NETIF_MSG_LINK,
  1527. "Init XMAC to 20G x 2 ports per path\n");
  1528. /* Set the number of ports on the Warp Core to 20G */
  1529. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1530. }
  1531. }
  1532. /* Soft reset */
  1533. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1534. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1535. usleep_range(1000, 2000);
  1536. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1537. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1538. }
  1539. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1540. {
  1541. u8 port = params->port;
  1542. struct bnx2x *bp = params->bp;
  1543. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1544. u32 val;
  1545. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1546. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1547. /* Send an indication to change the state in the NIG back to XON
  1548. * Clearing this bit enables the next set of this bit to get
  1549. * rising edge
  1550. */
  1551. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1552. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1553. (pfc_ctrl & ~(1<<1)));
  1554. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1555. (pfc_ctrl | (1<<1)));
  1556. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1557. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1558. if (en)
  1559. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1560. else
  1561. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1562. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1563. }
  1564. }
  1565. static int bnx2x_xmac_enable(struct link_params *params,
  1566. struct link_vars *vars, u8 lb)
  1567. {
  1568. u32 val, xmac_base;
  1569. struct bnx2x *bp = params->bp;
  1570. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1571. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1572. bnx2x_xmac_init(params, vars->line_speed);
  1573. /* This register determines on which events the MAC will assert
  1574. * error on the i/f to the NIG along w/ EOP.
  1575. */
  1576. /* This register tells the NIG whether to send traffic to UMAC
  1577. * or XMAC
  1578. */
  1579. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1580. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1581. * detection.
  1582. */
  1583. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1584. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1585. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1586. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1587. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1588. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1589. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1590. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1591. }
  1592. /* Set Max packet size */
  1593. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1594. /* CRC append for Tx packets */
  1595. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1596. /* update PFC */
  1597. bnx2x_update_pfc_xmac(params, vars, 0);
  1598. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1599. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1600. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1601. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1602. } else {
  1603. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1604. }
  1605. /* Enable TX and RX */
  1606. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1607. /* Set MAC in XLGMII mode for dual-mode */
  1608. if ((vars->line_speed == SPEED_20000) &&
  1609. (params->phy[INT_PHY].supported &
  1610. SUPPORTED_20000baseKR2_Full))
  1611. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1612. /* Check loopback mode */
  1613. if (lb)
  1614. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1615. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1616. bnx2x_set_xumac_nig(params,
  1617. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1618. vars->mac_type = MAC_TYPE_XMAC;
  1619. return 0;
  1620. }
  1621. static int bnx2x_emac_enable(struct link_params *params,
  1622. struct link_vars *vars, u8 lb)
  1623. {
  1624. struct bnx2x *bp = params->bp;
  1625. u8 port = params->port;
  1626. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1627. u32 val;
  1628. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1629. /* Disable BMAC */
  1630. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1631. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1632. /* enable emac and not bmac */
  1633. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1634. /* ASIC */
  1635. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1636. u32 ser_lane = ((params->lane_config &
  1637. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1638. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1639. DP(NETIF_MSG_LINK, "XGXS\n");
  1640. /* select the master lanes (out of 0-3) */
  1641. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1642. /* select XGXS */
  1643. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1644. } else { /* SerDes */
  1645. DP(NETIF_MSG_LINK, "SerDes\n");
  1646. /* select SerDes */
  1647. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1648. }
  1649. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1650. EMAC_RX_MODE_RESET);
  1651. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1652. EMAC_TX_MODE_RESET);
  1653. /* pause enable/disable */
  1654. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1655. EMAC_RX_MODE_FLOW_EN);
  1656. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1657. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1658. EMAC_TX_MODE_FLOW_EN));
  1659. if (!(params->feature_config_flags &
  1660. FEATURE_CONFIG_PFC_ENABLED)) {
  1661. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1662. bnx2x_bits_en(bp, emac_base +
  1663. EMAC_REG_EMAC_RX_MODE,
  1664. EMAC_RX_MODE_FLOW_EN);
  1665. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1666. bnx2x_bits_en(bp, emac_base +
  1667. EMAC_REG_EMAC_TX_MODE,
  1668. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1669. EMAC_TX_MODE_FLOW_EN));
  1670. } else
  1671. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1672. EMAC_TX_MODE_FLOW_EN);
  1673. /* KEEP_VLAN_TAG, promiscuous */
  1674. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1675. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1676. /* Setting this bit causes MAC control frames (except for pause
  1677. * frames) to be passed on for processing. This setting has no
  1678. * affect on the operation of the pause frames. This bit effects
  1679. * all packets regardless of RX Parser packet sorting logic.
  1680. * Turn the PFC off to make sure we are in Xon state before
  1681. * enabling it.
  1682. */
  1683. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1684. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1685. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1686. /* Enable PFC again */
  1687. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1688. EMAC_REG_RX_PFC_MODE_RX_EN |
  1689. EMAC_REG_RX_PFC_MODE_TX_EN |
  1690. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1691. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1692. ((0x0101 <<
  1693. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1694. (0x00ff <<
  1695. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1696. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1697. }
  1698. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1699. /* Set Loopback */
  1700. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1701. if (lb)
  1702. val |= 0x810;
  1703. else
  1704. val &= ~0x810;
  1705. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1706. /* Enable emac */
  1707. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1708. /* Enable emac for jumbo packets */
  1709. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1710. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1711. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1712. /* Strip CRC */
  1713. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1714. /* Disable the NIG in/out to the bmac */
  1715. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1716. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1717. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1718. /* Enable the NIG in/out to the emac */
  1719. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1720. val = 0;
  1721. if ((params->feature_config_flags &
  1722. FEATURE_CONFIG_PFC_ENABLED) ||
  1723. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1724. val = 1;
  1725. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1726. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1727. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1728. vars->mac_type = MAC_TYPE_EMAC;
  1729. return 0;
  1730. }
  1731. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1732. struct link_vars *vars)
  1733. {
  1734. u32 wb_data[2];
  1735. struct bnx2x *bp = params->bp;
  1736. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1737. NIG_REG_INGRESS_BMAC0_MEM;
  1738. u32 val = 0x14;
  1739. if ((!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED)) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1742. /* Enable BigMAC to react on received Pause packets */
  1743. val |= (1<<5);
  1744. wb_data[0] = val;
  1745. wb_data[1] = 0;
  1746. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1747. /* TX control */
  1748. val = 0xc0;
  1749. if (!(params->feature_config_flags &
  1750. FEATURE_CONFIG_PFC_ENABLED) &&
  1751. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1752. val |= 0x800000;
  1753. wb_data[0] = val;
  1754. wb_data[1] = 0;
  1755. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1756. }
  1757. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1758. struct link_vars *vars,
  1759. u8 is_lb)
  1760. {
  1761. /* Set rx control: Strip CRC and enable BigMAC to relay
  1762. * control packets to the system as well
  1763. */
  1764. u32 wb_data[2];
  1765. struct bnx2x *bp = params->bp;
  1766. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1767. NIG_REG_INGRESS_BMAC0_MEM;
  1768. u32 val = 0x14;
  1769. if ((!(params->feature_config_flags &
  1770. FEATURE_CONFIG_PFC_ENABLED)) &&
  1771. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1772. /* Enable BigMAC to react on received Pause packets */
  1773. val |= (1<<5);
  1774. wb_data[0] = val;
  1775. wb_data[1] = 0;
  1776. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1777. udelay(30);
  1778. /* Tx control */
  1779. val = 0xc0;
  1780. if (!(params->feature_config_flags &
  1781. FEATURE_CONFIG_PFC_ENABLED) &&
  1782. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1783. val |= 0x800000;
  1784. wb_data[0] = val;
  1785. wb_data[1] = 0;
  1786. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1787. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1788. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1789. /* Enable PFC RX & TX & STATS and set 8 COS */
  1790. wb_data[0] = 0x0;
  1791. wb_data[0] |= (1<<0); /* RX */
  1792. wb_data[0] |= (1<<1); /* TX */
  1793. wb_data[0] |= (1<<2); /* Force initial Xon */
  1794. wb_data[0] |= (1<<3); /* 8 cos */
  1795. wb_data[0] |= (1<<5); /* STATS */
  1796. wb_data[1] = 0;
  1797. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1798. wb_data, 2);
  1799. /* Clear the force Xon */
  1800. wb_data[0] &= ~(1<<2);
  1801. } else {
  1802. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1803. /* Disable PFC RX & TX & STATS and set 8 COS */
  1804. wb_data[0] = 0x8;
  1805. wb_data[1] = 0;
  1806. }
  1807. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1808. /* Set Time (based unit is 512 bit time) between automatic
  1809. * re-sending of PP packets amd enable automatic re-send of
  1810. * Per-Priroity Packet as long as pp_gen is asserted and
  1811. * pp_disable is low.
  1812. */
  1813. val = 0x8000;
  1814. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1815. val |= (1<<16); /* enable automatic re-send */
  1816. wb_data[0] = val;
  1817. wb_data[1] = 0;
  1818. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1819. wb_data, 2);
  1820. /* mac control */
  1821. val = 0x3; /* Enable RX and TX */
  1822. if (is_lb) {
  1823. val |= 0x4; /* Local loopback */
  1824. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1825. }
  1826. /* When PFC enabled, Pass pause frames towards the NIG. */
  1827. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1828. val |= ((1<<6)|(1<<5));
  1829. wb_data[0] = val;
  1830. wb_data[1] = 0;
  1831. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1832. }
  1833. /******************************************************************************
  1834. * Description:
  1835. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1836. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1837. ******************************************************************************/
  1838. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1839. u8 cos_entry,
  1840. u32 priority_mask, u8 port)
  1841. {
  1842. u32 nig_reg_rx_priority_mask_add = 0;
  1843. switch (cos_entry) {
  1844. case 0:
  1845. nig_reg_rx_priority_mask_add = (port) ?
  1846. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1847. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1848. break;
  1849. case 1:
  1850. nig_reg_rx_priority_mask_add = (port) ?
  1851. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1852. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1853. break;
  1854. case 2:
  1855. nig_reg_rx_priority_mask_add = (port) ?
  1856. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1857. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1858. break;
  1859. case 3:
  1860. if (port)
  1861. return -EINVAL;
  1862. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1863. break;
  1864. case 4:
  1865. if (port)
  1866. return -EINVAL;
  1867. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1868. break;
  1869. case 5:
  1870. if (port)
  1871. return -EINVAL;
  1872. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1873. break;
  1874. }
  1875. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1876. return 0;
  1877. }
  1878. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1879. {
  1880. struct bnx2x *bp = params->bp;
  1881. REG_WR(bp, params->shmem_base +
  1882. offsetof(struct shmem_region,
  1883. port_mb[params->port].link_status), link_status);
  1884. }
  1885. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1886. {
  1887. struct bnx2x *bp = params->bp;
  1888. if (SHMEM2_HAS(bp, link_attr_sync))
  1889. REG_WR(bp, params->shmem2_base +
  1890. offsetof(struct shmem2_region,
  1891. link_attr_sync[params->port]), link_attr);
  1892. }
  1893. static void bnx2x_update_pfc_nig(struct link_params *params,
  1894. struct link_vars *vars,
  1895. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1896. {
  1897. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1898. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1899. u32 pkt_priority_to_cos = 0;
  1900. struct bnx2x *bp = params->bp;
  1901. u8 port = params->port;
  1902. int set_pfc = params->feature_config_flags &
  1903. FEATURE_CONFIG_PFC_ENABLED;
  1904. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1905. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1906. * MAC control frames (that are not pause packets)
  1907. * will be forwarded to the XCM.
  1908. */
  1909. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1910. NIG_REG_LLH0_XCM_MASK);
  1911. /* NIG params will override non PFC params, since it's possible to
  1912. * do transition from PFC to SAFC
  1913. */
  1914. if (set_pfc) {
  1915. pause_enable = 0;
  1916. llfc_out_en = 0;
  1917. llfc_enable = 0;
  1918. if (CHIP_IS_E3(bp))
  1919. ppp_enable = 0;
  1920. else
  1921. ppp_enable = 1;
  1922. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1923. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1924. xcm_out_en = 0;
  1925. hwpfc_enable = 1;
  1926. } else {
  1927. if (nig_params) {
  1928. llfc_out_en = nig_params->llfc_out_en;
  1929. llfc_enable = nig_params->llfc_enable;
  1930. pause_enable = nig_params->pause_enable;
  1931. } else /* Default non PFC mode - PAUSE */
  1932. pause_enable = 1;
  1933. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1934. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1935. xcm_out_en = 1;
  1936. }
  1937. if (CHIP_IS_E3(bp))
  1938. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1939. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1940. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1941. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1942. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1943. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1944. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1945. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1946. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1947. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1948. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1949. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1950. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1951. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1952. /* Output enable for RX_XCM # IF */
  1953. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1954. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1955. /* HW PFC TX enable */
  1956. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1957. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1958. if (nig_params) {
  1959. u8 i = 0;
  1960. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1961. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1962. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1963. nig_params->rx_cos_priority_mask[i], port);
  1964. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1965. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1966. nig_params->llfc_high_priority_classes);
  1967. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1968. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1969. nig_params->llfc_low_priority_classes);
  1970. }
  1971. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1972. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1973. pkt_priority_to_cos);
  1974. }
  1975. int bnx2x_update_pfc(struct link_params *params,
  1976. struct link_vars *vars,
  1977. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1978. {
  1979. /* The PFC and pause are orthogonal to one another, meaning when
  1980. * PFC is enabled, the pause are disabled, and when PFC is
  1981. * disabled, pause are set according to the pause result.
  1982. */
  1983. u32 val;
  1984. struct bnx2x *bp = params->bp;
  1985. int bnx2x_status = 0;
  1986. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1987. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1988. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1989. else
  1990. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1991. bnx2x_update_mng(params, vars->link_status);
  1992. /* Update NIG params */
  1993. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1994. if (!vars->link_up)
  1995. return bnx2x_status;
  1996. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1997. if (CHIP_IS_E3(bp)) {
  1998. if (vars->mac_type == MAC_TYPE_XMAC)
  1999. bnx2x_update_pfc_xmac(params, vars, 0);
  2000. } else {
  2001. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2002. if ((val &
  2003. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2004. == 0) {
  2005. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2006. bnx2x_emac_enable(params, vars, 0);
  2007. return bnx2x_status;
  2008. }
  2009. if (CHIP_IS_E2(bp))
  2010. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2011. else
  2012. bnx2x_update_pfc_bmac1(params, vars);
  2013. val = 0;
  2014. if ((params->feature_config_flags &
  2015. FEATURE_CONFIG_PFC_ENABLED) ||
  2016. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2017. val = 1;
  2018. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2019. }
  2020. return bnx2x_status;
  2021. }
  2022. static int bnx2x_bmac1_enable(struct link_params *params,
  2023. struct link_vars *vars,
  2024. u8 is_lb)
  2025. {
  2026. struct bnx2x *bp = params->bp;
  2027. u8 port = params->port;
  2028. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2029. NIG_REG_INGRESS_BMAC0_MEM;
  2030. u32 wb_data[2];
  2031. u32 val;
  2032. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2033. /* XGXS control */
  2034. wb_data[0] = 0x3c;
  2035. wb_data[1] = 0;
  2036. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2037. wb_data, 2);
  2038. /* TX MAC SA */
  2039. wb_data[0] = ((params->mac_addr[2] << 24) |
  2040. (params->mac_addr[3] << 16) |
  2041. (params->mac_addr[4] << 8) |
  2042. params->mac_addr[5]);
  2043. wb_data[1] = ((params->mac_addr[0] << 8) |
  2044. params->mac_addr[1]);
  2045. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2046. /* MAC control */
  2047. val = 0x3;
  2048. if (is_lb) {
  2049. val |= 0x4;
  2050. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2051. }
  2052. wb_data[0] = val;
  2053. wb_data[1] = 0;
  2054. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2055. /* Set rx mtu */
  2056. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2057. wb_data[1] = 0;
  2058. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2059. bnx2x_update_pfc_bmac1(params, vars);
  2060. /* Set tx mtu */
  2061. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2062. wb_data[1] = 0;
  2063. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2064. /* Set cnt max size */
  2065. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2066. wb_data[1] = 0;
  2067. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2068. /* Configure SAFC */
  2069. wb_data[0] = 0x1000200;
  2070. wb_data[1] = 0;
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2072. wb_data, 2);
  2073. return 0;
  2074. }
  2075. static int bnx2x_bmac2_enable(struct link_params *params,
  2076. struct link_vars *vars,
  2077. u8 is_lb)
  2078. {
  2079. struct bnx2x *bp = params->bp;
  2080. u8 port = params->port;
  2081. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2082. NIG_REG_INGRESS_BMAC0_MEM;
  2083. u32 wb_data[2];
  2084. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2085. wb_data[0] = 0;
  2086. wb_data[1] = 0;
  2087. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2088. udelay(30);
  2089. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2090. wb_data[0] = 0x3c;
  2091. wb_data[1] = 0;
  2092. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2093. wb_data, 2);
  2094. udelay(30);
  2095. /* TX MAC SA */
  2096. wb_data[0] = ((params->mac_addr[2] << 24) |
  2097. (params->mac_addr[3] << 16) |
  2098. (params->mac_addr[4] << 8) |
  2099. params->mac_addr[5]);
  2100. wb_data[1] = ((params->mac_addr[0] << 8) |
  2101. params->mac_addr[1]);
  2102. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2103. wb_data, 2);
  2104. udelay(30);
  2105. /* Configure SAFC */
  2106. wb_data[0] = 0x1000200;
  2107. wb_data[1] = 0;
  2108. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2109. wb_data, 2);
  2110. udelay(30);
  2111. /* Set RX MTU */
  2112. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2113. wb_data[1] = 0;
  2114. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2115. udelay(30);
  2116. /* Set TX MTU */
  2117. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2118. wb_data[1] = 0;
  2119. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2120. udelay(30);
  2121. /* Set cnt max size */
  2122. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2123. wb_data[1] = 0;
  2124. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2125. udelay(30);
  2126. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2127. return 0;
  2128. }
  2129. static int bnx2x_bmac_enable(struct link_params *params,
  2130. struct link_vars *vars,
  2131. u8 is_lb, u8 reset_bmac)
  2132. {
  2133. int rc = 0;
  2134. u8 port = params->port;
  2135. struct bnx2x *bp = params->bp;
  2136. u32 val;
  2137. /* Reset and unreset the BigMac */
  2138. if (reset_bmac) {
  2139. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2140. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2141. usleep_range(1000, 2000);
  2142. }
  2143. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2144. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2145. /* Enable access for bmac registers */
  2146. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2147. /* Enable BMAC according to BMAC type*/
  2148. if (CHIP_IS_E2(bp))
  2149. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2150. else
  2151. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2152. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2153. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2154. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2155. val = 0;
  2156. if ((params->feature_config_flags &
  2157. FEATURE_CONFIG_PFC_ENABLED) ||
  2158. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2159. val = 1;
  2160. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2161. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2162. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2163. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2164. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2165. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2166. vars->mac_type = MAC_TYPE_BMAC;
  2167. return rc;
  2168. }
  2169. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2170. {
  2171. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2172. NIG_REG_INGRESS_BMAC0_MEM;
  2173. u32 wb_data[2];
  2174. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2175. if (CHIP_IS_E2(bp))
  2176. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2177. else
  2178. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2179. /* Only if the bmac is out of reset */
  2180. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2181. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2182. nig_bmac_enable) {
  2183. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2184. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2185. if (en)
  2186. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2187. else
  2188. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2189. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2190. usleep_range(1000, 2000);
  2191. }
  2192. }
  2193. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2194. u32 line_speed)
  2195. {
  2196. struct bnx2x *bp = params->bp;
  2197. u8 port = params->port;
  2198. u32 init_crd, crd;
  2199. u32 count = 1000;
  2200. /* Disable port */
  2201. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2202. /* Wait for init credit */
  2203. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2204. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2205. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2206. while ((init_crd != crd) && count) {
  2207. usleep_range(5000, 10000);
  2208. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2209. count--;
  2210. }
  2211. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2212. if (init_crd != crd) {
  2213. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2214. init_crd, crd);
  2215. return -EINVAL;
  2216. }
  2217. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2218. line_speed == SPEED_10 ||
  2219. line_speed == SPEED_100 ||
  2220. line_speed == SPEED_1000 ||
  2221. line_speed == SPEED_2500) {
  2222. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2223. /* Update threshold */
  2224. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2225. /* Update init credit */
  2226. init_crd = 778; /* (800-18-4) */
  2227. } else {
  2228. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2229. ETH_OVREHEAD)/16;
  2230. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2231. /* Update threshold */
  2232. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2233. /* Update init credit */
  2234. switch (line_speed) {
  2235. case SPEED_10000:
  2236. init_crd = thresh + 553 - 22;
  2237. break;
  2238. default:
  2239. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2240. line_speed);
  2241. return -EINVAL;
  2242. }
  2243. }
  2244. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2245. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2246. line_speed, init_crd);
  2247. /* Probe the credit changes */
  2248. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2249. usleep_range(5000, 10000);
  2250. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2251. /* Enable port */
  2252. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2253. return 0;
  2254. }
  2255. /**
  2256. * bnx2x_get_emac_base - retrive emac base address
  2257. *
  2258. * @bp: driver handle
  2259. * @mdc_mdio_access: access type
  2260. * @port: port id
  2261. *
  2262. * This function selects the MDC/MDIO access (through emac0 or
  2263. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2264. * phy has a default access mode, which could also be overridden
  2265. * by nvram configuration. This parameter, whether this is the
  2266. * default phy configuration, or the nvram overrun
  2267. * configuration, is passed here as mdc_mdio_access and selects
  2268. * the emac_base for the CL45 read/writes operations
  2269. */
  2270. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2271. u32 mdc_mdio_access, u8 port)
  2272. {
  2273. u32 emac_base = 0;
  2274. switch (mdc_mdio_access) {
  2275. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2276. break;
  2277. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2278. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2279. emac_base = GRCBASE_EMAC1;
  2280. else
  2281. emac_base = GRCBASE_EMAC0;
  2282. break;
  2283. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2284. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2285. emac_base = GRCBASE_EMAC0;
  2286. else
  2287. emac_base = GRCBASE_EMAC1;
  2288. break;
  2289. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2290. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2291. break;
  2292. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2293. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2294. break;
  2295. default:
  2296. break;
  2297. }
  2298. return emac_base;
  2299. }
  2300. /******************************************************************/
  2301. /* CL22 access functions */
  2302. /******************************************************************/
  2303. static int bnx2x_cl22_write(struct bnx2x *bp,
  2304. struct bnx2x_phy *phy,
  2305. u16 reg, u16 val)
  2306. {
  2307. u32 tmp, mode;
  2308. u8 i;
  2309. int rc = 0;
  2310. /* Switch to CL22 */
  2311. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2312. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2313. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2314. /* Address */
  2315. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2316. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2317. EMAC_MDIO_COMM_START_BUSY);
  2318. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2319. for (i = 0; i < 50; i++) {
  2320. udelay(10);
  2321. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2322. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2323. udelay(5);
  2324. break;
  2325. }
  2326. }
  2327. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2328. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2329. rc = -EFAULT;
  2330. }
  2331. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2332. return rc;
  2333. }
  2334. static int bnx2x_cl22_read(struct bnx2x *bp,
  2335. struct bnx2x_phy *phy,
  2336. u16 reg, u16 *ret_val)
  2337. {
  2338. u32 val, mode;
  2339. u16 i;
  2340. int rc = 0;
  2341. /* Switch to CL22 */
  2342. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2343. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2344. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2345. /* Address */
  2346. val = ((phy->addr << 21) | (reg << 16) |
  2347. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2348. EMAC_MDIO_COMM_START_BUSY);
  2349. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2350. for (i = 0; i < 50; i++) {
  2351. udelay(10);
  2352. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2353. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2354. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2355. udelay(5);
  2356. break;
  2357. }
  2358. }
  2359. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2360. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2361. *ret_val = 0;
  2362. rc = -EFAULT;
  2363. }
  2364. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2365. return rc;
  2366. }
  2367. /******************************************************************/
  2368. /* CL45 access functions */
  2369. /******************************************************************/
  2370. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2371. u8 devad, u16 reg, u16 *ret_val)
  2372. {
  2373. u32 val;
  2374. u16 i;
  2375. int rc = 0;
  2376. u32 chip_id;
  2377. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2378. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2379. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2380. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2381. }
  2382. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2383. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2384. EMAC_MDIO_STATUS_10MB);
  2385. /* Address */
  2386. val = ((phy->addr << 21) | (devad << 16) | reg |
  2387. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2388. EMAC_MDIO_COMM_START_BUSY);
  2389. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2390. for (i = 0; i < 50; i++) {
  2391. udelay(10);
  2392. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2393. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2394. udelay(5);
  2395. break;
  2396. }
  2397. }
  2398. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2399. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2400. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2401. *ret_val = 0;
  2402. rc = -EFAULT;
  2403. } else {
  2404. /* Data */
  2405. val = ((phy->addr << 21) | (devad << 16) |
  2406. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2407. EMAC_MDIO_COMM_START_BUSY);
  2408. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2409. for (i = 0; i < 50; i++) {
  2410. udelay(10);
  2411. val = REG_RD(bp, phy->mdio_ctrl +
  2412. EMAC_REG_EMAC_MDIO_COMM);
  2413. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2414. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2415. break;
  2416. }
  2417. }
  2418. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2419. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2420. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2421. *ret_val = 0;
  2422. rc = -EFAULT;
  2423. }
  2424. }
  2425. /* Work around for E3 A0 */
  2426. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2427. phy->flags ^= FLAGS_DUMMY_READ;
  2428. if (phy->flags & FLAGS_DUMMY_READ) {
  2429. u16 temp_val;
  2430. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2431. }
  2432. }
  2433. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2434. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2435. EMAC_MDIO_STATUS_10MB);
  2436. return rc;
  2437. }
  2438. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2439. u8 devad, u16 reg, u16 val)
  2440. {
  2441. u32 tmp;
  2442. u8 i;
  2443. int rc = 0;
  2444. u32 chip_id;
  2445. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2446. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2447. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2448. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2449. }
  2450. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2451. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2452. EMAC_MDIO_STATUS_10MB);
  2453. /* Address */
  2454. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2455. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2456. EMAC_MDIO_COMM_START_BUSY);
  2457. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2458. for (i = 0; i < 50; i++) {
  2459. udelay(10);
  2460. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2461. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2462. udelay(5);
  2463. break;
  2464. }
  2465. }
  2466. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2467. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2468. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2469. rc = -EFAULT;
  2470. } else {
  2471. /* Data */
  2472. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2473. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2474. EMAC_MDIO_COMM_START_BUSY);
  2475. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2476. for (i = 0; i < 50; i++) {
  2477. udelay(10);
  2478. tmp = REG_RD(bp, phy->mdio_ctrl +
  2479. EMAC_REG_EMAC_MDIO_COMM);
  2480. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2481. udelay(5);
  2482. break;
  2483. }
  2484. }
  2485. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2486. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2487. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2488. rc = -EFAULT;
  2489. }
  2490. }
  2491. /* Work around for E3 A0 */
  2492. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2493. phy->flags ^= FLAGS_DUMMY_READ;
  2494. if (phy->flags & FLAGS_DUMMY_READ) {
  2495. u16 temp_val;
  2496. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2497. }
  2498. }
  2499. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2500. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2501. EMAC_MDIO_STATUS_10MB);
  2502. return rc;
  2503. }
  2504. /******************************************************************/
  2505. /* EEE section */
  2506. /******************************************************************/
  2507. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2508. {
  2509. struct bnx2x *bp = params->bp;
  2510. if (REG_RD(bp, params->shmem2_base) <=
  2511. offsetof(struct shmem2_region, eee_status[params->port]))
  2512. return 0;
  2513. return 1;
  2514. }
  2515. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2516. {
  2517. switch (nvram_mode) {
  2518. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2519. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2520. break;
  2521. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2522. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2523. break;
  2524. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2525. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2526. break;
  2527. default:
  2528. *idle_timer = 0;
  2529. break;
  2530. }
  2531. return 0;
  2532. }
  2533. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2534. {
  2535. switch (idle_timer) {
  2536. case EEE_MODE_NVRAM_BALANCED_TIME:
  2537. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2538. break;
  2539. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2540. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2541. break;
  2542. case EEE_MODE_NVRAM_LATENCY_TIME:
  2543. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2544. break;
  2545. default:
  2546. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2547. break;
  2548. }
  2549. return 0;
  2550. }
  2551. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2552. {
  2553. u32 eee_mode, eee_idle;
  2554. struct bnx2x *bp = params->bp;
  2555. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2556. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2557. /* time value in eee_mode --> used directly*/
  2558. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2559. } else {
  2560. /* hsi value in eee_mode --> time */
  2561. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2562. EEE_MODE_NVRAM_MASK,
  2563. &eee_idle))
  2564. return 0;
  2565. }
  2566. } else {
  2567. /* hsi values in nvram --> time*/
  2568. eee_mode = ((REG_RD(bp, params->shmem_base +
  2569. offsetof(struct shmem_region, dev_info.
  2570. port_feature_config[params->port].
  2571. eee_power_mode)) &
  2572. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2573. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2574. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2575. return 0;
  2576. }
  2577. return eee_idle;
  2578. }
  2579. static int bnx2x_eee_set_timers(struct link_params *params,
  2580. struct link_vars *vars)
  2581. {
  2582. u32 eee_idle = 0, eee_mode;
  2583. struct bnx2x *bp = params->bp;
  2584. eee_idle = bnx2x_eee_calc_timer(params);
  2585. if (eee_idle) {
  2586. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2587. eee_idle);
  2588. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2589. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2590. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2591. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2592. return -EINVAL;
  2593. }
  2594. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2595. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2596. /* eee_idle in 1u --> eee_status in 16u */
  2597. eee_idle >>= 4;
  2598. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2599. SHMEM_EEE_TIME_OUTPUT_BIT;
  2600. } else {
  2601. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2602. return -EINVAL;
  2603. vars->eee_status |= eee_mode;
  2604. }
  2605. return 0;
  2606. }
  2607. static int bnx2x_eee_initial_config(struct link_params *params,
  2608. struct link_vars *vars, u8 mode)
  2609. {
  2610. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2611. /* Propogate params' bits --> vars (for migration exposure) */
  2612. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2613. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2614. else
  2615. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2616. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2617. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2618. else
  2619. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2620. return bnx2x_eee_set_timers(params, vars);
  2621. }
  2622. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2623. struct link_params *params,
  2624. struct link_vars *vars)
  2625. {
  2626. struct bnx2x *bp = params->bp;
  2627. /* Make Certain LPI is disabled */
  2628. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2629. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2630. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2631. return 0;
  2632. }
  2633. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2634. struct link_params *params,
  2635. struct link_vars *vars, u8 modes)
  2636. {
  2637. struct bnx2x *bp = params->bp;
  2638. u16 val = 0;
  2639. /* Mask events preventing LPI generation */
  2640. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2641. if (modes & SHMEM_EEE_10G_ADV) {
  2642. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2643. val |= 0x8;
  2644. }
  2645. if (modes & SHMEM_EEE_1G_ADV) {
  2646. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2647. val |= 0x4;
  2648. }
  2649. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2650. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2651. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2652. return 0;
  2653. }
  2654. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2655. {
  2656. struct bnx2x *bp = params->bp;
  2657. if (bnx2x_eee_has_cap(params))
  2658. REG_WR(bp, params->shmem2_base +
  2659. offsetof(struct shmem2_region,
  2660. eee_status[params->port]), eee_status);
  2661. }
  2662. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2663. struct link_params *params,
  2664. struct link_vars *vars)
  2665. {
  2666. struct bnx2x *bp = params->bp;
  2667. u16 adv = 0, lp = 0;
  2668. u32 lp_adv = 0;
  2669. u8 neg = 0;
  2670. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2671. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2672. if (lp & 0x2) {
  2673. lp_adv |= SHMEM_EEE_100M_ADV;
  2674. if (adv & 0x2) {
  2675. if (vars->line_speed == SPEED_100)
  2676. neg = 1;
  2677. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2678. }
  2679. }
  2680. if (lp & 0x14) {
  2681. lp_adv |= SHMEM_EEE_1G_ADV;
  2682. if (adv & 0x14) {
  2683. if (vars->line_speed == SPEED_1000)
  2684. neg = 1;
  2685. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2686. }
  2687. }
  2688. if (lp & 0x68) {
  2689. lp_adv |= SHMEM_EEE_10G_ADV;
  2690. if (adv & 0x68) {
  2691. if (vars->line_speed == SPEED_10000)
  2692. neg = 1;
  2693. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2694. }
  2695. }
  2696. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2697. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2698. if (neg) {
  2699. DP(NETIF_MSG_LINK, "EEE is active\n");
  2700. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2701. }
  2702. }
  2703. /******************************************************************/
  2704. /* BSC access functions from E3 */
  2705. /******************************************************************/
  2706. static void bnx2x_bsc_module_sel(struct link_params *params)
  2707. {
  2708. int idx;
  2709. u32 board_cfg, sfp_ctrl;
  2710. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2711. struct bnx2x *bp = params->bp;
  2712. u8 port = params->port;
  2713. /* Read I2C output PINs */
  2714. board_cfg = REG_RD(bp, params->shmem_base +
  2715. offsetof(struct shmem_region,
  2716. dev_info.shared_hw_config.board));
  2717. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2718. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2719. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2720. /* Read I2C output value */
  2721. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2722. offsetof(struct shmem_region,
  2723. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2724. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2725. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2726. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2727. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2728. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2729. }
  2730. static int bnx2x_bsc_read(struct link_params *params,
  2731. struct bnx2x_phy *phy,
  2732. u8 sl_devid,
  2733. u16 sl_addr,
  2734. u8 lc_addr,
  2735. u8 xfer_cnt,
  2736. u32 *data_array)
  2737. {
  2738. u32 val, i;
  2739. int rc = 0;
  2740. struct bnx2x *bp = params->bp;
  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_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3228. struct link_params *params)
  3229. {
  3230. struct bnx2x *bp = params->bp;
  3231. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3234. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3235. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3236. }
  3237. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3238. struct link_params *params)
  3239. {
  3240. /* Restart autoneg on the leading lane only */
  3241. struct bnx2x *bp = params->bp;
  3242. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3243. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3244. MDIO_AER_BLOCK_AER_REG, lane);
  3245. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3246. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3247. /* Restore AER */
  3248. bnx2x_set_aer_mmd(params, phy);
  3249. }
  3250. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3251. struct link_params *params,
  3252. struct link_vars *vars) {
  3253. u16 lane, i, cl72_ctrl, an_adv = 0;
  3254. struct bnx2x *bp = params->bp;
  3255. static struct bnx2x_reg_set reg_set[] = {
  3256. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3257. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3258. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3259. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3260. /* Disable Autoneg: re-enable it after adv is done. */
  3261. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3262. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3263. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3264. };
  3265. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3266. /* Set to default registers that may be overriden by 10G force */
  3267. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3268. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3269. reg_set[i].val);
  3270. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3271. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3272. cl72_ctrl &= 0x08ff;
  3273. cl72_ctrl |= 0x3800;
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3276. /* Check adding advertisement for 1G KX */
  3277. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3278. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3279. (vars->line_speed == SPEED_1000)) {
  3280. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3281. an_adv |= (1<<5);
  3282. /* Enable CL37 1G Parallel Detect */
  3283. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3284. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3285. }
  3286. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3287. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3288. (vars->line_speed == SPEED_10000)) {
  3289. /* Check adding advertisement for 10G KR */
  3290. an_adv |= (1<<7);
  3291. /* Enable 10G Parallel Detect */
  3292. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3293. MDIO_AER_BLOCK_AER_REG, 0);
  3294. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3295. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3296. bnx2x_set_aer_mmd(params, phy);
  3297. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3298. }
  3299. /* Set Transmit PMD settings */
  3300. lane = bnx2x_get_warpcore_lane(phy, params);
  3301. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3302. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3303. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3304. /* Configure the next lane if dual mode */
  3305. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3306. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3307. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3308. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3309. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3310. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3311. 0x03f0);
  3312. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3313. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3314. 0x03f0);
  3315. /* Advertised speeds */
  3316. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3317. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3318. /* Advertised and set FEC (Forward Error Correction) */
  3319. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3320. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3321. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3322. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3323. /* Enable CL37 BAM */
  3324. if (REG_RD(bp, params->shmem_base +
  3325. offsetof(struct shmem_region, dev_info.
  3326. port_hw_config[params->port].default_cfg)) &
  3327. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3328. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3329. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3330. 1);
  3331. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3332. }
  3333. /* Advertise pause */
  3334. bnx2x_ext_phy_set_pause(params, phy, vars);
  3335. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3336. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3338. /* Over 1G - AN local device user page 1 */
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3341. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3342. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3343. (phy->req_line_speed == SPEED_20000)) {
  3344. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3345. MDIO_AER_BLOCK_AER_REG, lane);
  3346. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3348. (1<<11));
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3351. bnx2x_set_aer_mmd(params, phy);
  3352. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3353. }
  3354. /* Enable Autoneg: only on the main lane */
  3355. bnx2x_warpcore_restart_AN_KR(phy, params);
  3356. }
  3357. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3358. struct link_params *params,
  3359. struct link_vars *vars)
  3360. {
  3361. struct bnx2x *bp = params->bp;
  3362. u16 val16, i, lane;
  3363. static struct bnx2x_reg_set reg_set[] = {
  3364. /* Disable Autoneg */
  3365. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3366. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3367. 0x3f00},
  3368. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3369. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3370. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3371. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3372. /* Leave cl72 training enable, needed for KR */
  3373. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3374. };
  3375. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3376. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3377. reg_set[i].val);
  3378. lane = bnx2x_get_warpcore_lane(phy, params);
  3379. /* Global registers */
  3380. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3381. MDIO_AER_BLOCK_AER_REG, 0);
  3382. /* Disable CL36 PCS Tx */
  3383. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3385. val16 &= ~(0x0011 << lane);
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3388. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3390. val16 |= (0x0303 << (lane << 1));
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3393. /* Restore AER */
  3394. bnx2x_set_aer_mmd(params, phy);
  3395. /* Set speed via PMA/PMD register */
  3396. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3397. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3398. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3399. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3400. /* Enable encoded forced speed */
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3403. /* Turn TX scramble payload only the 64/66 scrambler */
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3406. /* Turn RX scramble payload only the 64/66 scrambler */
  3407. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3409. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3414. }
  3415. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3416. struct link_params *params,
  3417. u8 is_xfi)
  3418. {
  3419. struct bnx2x *bp = params->bp;
  3420. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3421. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3422. /* Hold rxSeqStart */
  3423. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3424. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3425. /* Hold tx_fifo_reset */
  3426. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3427. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3428. /* Disable CL73 AN */
  3429. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3430. /* Disable 100FX Enable and Auto-Detect */
  3431. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3433. /* Disable 100FX Idle detect */
  3434. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3436. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3437. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3438. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3439. /* Turn off auto-detect & fiber mode */
  3440. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3442. 0xFFEE);
  3443. /* Set filter_force_link, disable_false_link and parallel_detect */
  3444. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3445. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3446. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3448. ((val | 0x0006) & 0xFFFE));
  3449. /* Set XFI / SFI */
  3450. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3452. misc1_val &= ~(0x1f);
  3453. if (is_xfi) {
  3454. misc1_val |= 0x5;
  3455. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3456. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3457. } else {
  3458. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3459. offsetof(struct shmem_region, dev_info.
  3460. port_hw_config[params->port].
  3461. sfi_tap_values));
  3462. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3463. tx_drv_brdct = (cfg_tap_val &
  3464. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3465. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3466. misc1_val |= 0x9;
  3467. /* TAP values are controlled by nvram, if value there isn't 0 */
  3468. if (tx_equal)
  3469. tap_val = (u16)tx_equal;
  3470. else
  3471. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3472. if (tx_drv_brdct)
  3473. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3474. 0x06);
  3475. else
  3476. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3477. }
  3478. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3480. /* Set Transmit PMD settings */
  3481. lane = bnx2x_get_warpcore_lane(phy, params);
  3482. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_TX_FIR_TAP,
  3484. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3485. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3487. tx_driver_val);
  3488. /* Enable fiber mode, enable and invert sig_det */
  3489. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3491. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3492. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3494. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3495. /* 10G XFI Full Duplex */
  3496. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3497. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3498. /* Release tx_fifo_reset */
  3499. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3500. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3501. 0xFFFE);
  3502. /* Release rxSeqStart */
  3503. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3505. }
  3506. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3507. struct link_params *params)
  3508. {
  3509. u16 val;
  3510. struct bnx2x *bp = params->bp;
  3511. /* Set global registers, so set AER lane to 0 */
  3512. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3513. MDIO_AER_BLOCK_AER_REG, 0);
  3514. /* Disable sequencer */
  3515. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3517. bnx2x_set_aer_mmd(params, phy);
  3518. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3519. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3520. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3521. MDIO_AN_REG_CTRL, 0);
  3522. /* Turn off CL73 */
  3523. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3525. val &= ~(1<<5);
  3526. val |= (1<<6);
  3527. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3529. /* Set 20G KR2 force speed */
  3530. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3531. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3532. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3534. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3536. val &= ~(3<<14);
  3537. val |= (1<<15);
  3538. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3542. /* Enable sequencer (over lane 0) */
  3543. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3544. MDIO_AER_BLOCK_AER_REG, 0);
  3545. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3546. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3547. bnx2x_set_aer_mmd(params, phy);
  3548. }
  3549. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3550. struct bnx2x_phy *phy,
  3551. u16 lane)
  3552. {
  3553. /* Rx0 anaRxControl1G */
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3556. /* Rx2 anaRxControl1G */
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3559. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3560. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3561. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3565. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3567. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3571. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3572. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3575. /* Serdes Digital Misc1 */
  3576. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3578. /* Serdes Digital4 Misc3 */
  3579. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3581. /* Set Transmit PMD settings */
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_TX_FIR_TAP,
  3584. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3585. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3586. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3587. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3588. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3589. }
  3590. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3591. struct link_params *params,
  3592. u8 fiber_mode,
  3593. u8 always_autoneg)
  3594. {
  3595. struct bnx2x *bp = params->bp;
  3596. u16 val16, digctrl_kx1, digctrl_kx2;
  3597. /* Clear XFI clock comp in non-10G single lane mode. */
  3598. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3599. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3600. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3601. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3602. /* SGMII Autoneg */
  3603. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3605. 0x1000);
  3606. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3607. } else {
  3608. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3609. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3610. val16 &= 0xcebf;
  3611. switch (phy->req_line_speed) {
  3612. case SPEED_10:
  3613. break;
  3614. case SPEED_100:
  3615. val16 |= 0x2000;
  3616. break;
  3617. case SPEED_1000:
  3618. val16 |= 0x0040;
  3619. break;
  3620. default:
  3621. DP(NETIF_MSG_LINK,
  3622. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3623. return;
  3624. }
  3625. if (phy->req_duplex == DUPLEX_FULL)
  3626. val16 |= 0x0100;
  3627. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3628. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3629. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3630. phy->req_line_speed);
  3631. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3632. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3633. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3634. }
  3635. /* SGMII Slave mode and disable signal detect */
  3636. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3638. if (fiber_mode)
  3639. digctrl_kx1 = 1;
  3640. else
  3641. digctrl_kx1 &= 0xff4a;
  3642. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3643. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3644. digctrl_kx1);
  3645. /* Turn off parallel detect */
  3646. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3647. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3650. (digctrl_kx2 & ~(1<<2)));
  3651. /* Re-enable parallel detect */
  3652. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3653. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3654. (digctrl_kx2 | (1<<2)));
  3655. /* Enable autodet */
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3658. (digctrl_kx1 | 0x10));
  3659. }
  3660. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3661. struct bnx2x_phy *phy,
  3662. u8 reset)
  3663. {
  3664. u16 val;
  3665. /* Take lane out of reset after configuration is finished */
  3666. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3668. if (reset)
  3669. val |= 0xC000;
  3670. else
  3671. val &= 0x3FFF;
  3672. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3673. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3676. }
  3677. /* Clear SFI/XFI link settings registers */
  3678. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3679. struct link_params *params,
  3680. u16 lane)
  3681. {
  3682. struct bnx2x *bp = params->bp;
  3683. u16 i;
  3684. static struct bnx2x_reg_set wc_regs[] = {
  3685. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3686. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3687. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3689. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3690. 0x0195},
  3691. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3692. 0x0007},
  3693. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3694. 0x0002},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3699. };
  3700. /* Set XFI clock comp as default. */
  3701. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3702. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3703. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3704. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3705. wc_regs[i].val);
  3706. lane = bnx2x_get_warpcore_lane(phy, params);
  3707. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3708. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3709. }
  3710. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3711. u32 chip_id,
  3712. u32 shmem_base, u8 port,
  3713. u8 *gpio_num, u8 *gpio_port)
  3714. {
  3715. u32 cfg_pin;
  3716. *gpio_num = 0;
  3717. *gpio_port = 0;
  3718. if (CHIP_IS_E3(bp)) {
  3719. cfg_pin = (REG_RD(bp, shmem_base +
  3720. offsetof(struct shmem_region,
  3721. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3722. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3723. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3724. /* Should not happen. This function called upon interrupt
  3725. * triggered by GPIO ( since EPIO can only generate interrupts
  3726. * to MCP).
  3727. * So if this function was called and none of the GPIOs was set,
  3728. * it means the shit hit the fan.
  3729. */
  3730. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3731. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3732. DP(NETIF_MSG_LINK,
  3733. "No cfg pin %x for module detect indication\n",
  3734. cfg_pin);
  3735. return -EINVAL;
  3736. }
  3737. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3738. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3739. } else {
  3740. *gpio_num = MISC_REGISTERS_GPIO_3;
  3741. *gpio_port = port;
  3742. }
  3743. return 0;
  3744. }
  3745. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3746. struct link_params *params)
  3747. {
  3748. struct bnx2x *bp = params->bp;
  3749. u8 gpio_num, gpio_port;
  3750. u32 gpio_val;
  3751. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3752. params->shmem_base, params->port,
  3753. &gpio_num, &gpio_port) != 0)
  3754. return 0;
  3755. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3756. /* Call the handling function in case module is detected */
  3757. if (gpio_val == 0)
  3758. return 1;
  3759. else
  3760. return 0;
  3761. }
  3762. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3763. struct link_params *params)
  3764. {
  3765. u16 gp2_status_reg0, lane;
  3766. struct bnx2x *bp = params->bp;
  3767. lane = bnx2x_get_warpcore_lane(phy, params);
  3768. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3769. &gp2_status_reg0);
  3770. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3771. }
  3772. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3773. struct link_params *params,
  3774. struct link_vars *vars)
  3775. {
  3776. struct bnx2x *bp = params->bp;
  3777. u32 serdes_net_if;
  3778. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3779. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3780. if (!vars->turn_to_run_wc_rt)
  3781. return;
  3782. if (vars->rx_tx_asic_rst) {
  3783. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3784. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3785. offsetof(struct shmem_region, dev_info.
  3786. port_hw_config[params->port].default_cfg)) &
  3787. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3788. switch (serdes_net_if) {
  3789. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3790. /* Do we get link yet? */
  3791. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3792. &gp_status1);
  3793. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3794. /*10G KR*/
  3795. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3796. if (lnkup_kr || lnkup) {
  3797. vars->rx_tx_asic_rst = 0;
  3798. } else {
  3799. /* Reset the lane to see if link comes up.*/
  3800. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3801. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3802. /* Restart Autoneg */
  3803. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3804. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3805. vars->rx_tx_asic_rst--;
  3806. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3807. vars->rx_tx_asic_rst);
  3808. }
  3809. break;
  3810. default:
  3811. break;
  3812. }
  3813. } /*params->rx_tx_asic_rst*/
  3814. }
  3815. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3816. struct link_params *params)
  3817. {
  3818. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3819. struct bnx2x *bp = params->bp;
  3820. bnx2x_warpcore_clear_regs(phy, params, lane);
  3821. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3822. SPEED_10000) &&
  3823. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3824. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3825. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3826. } else {
  3827. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3828. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3829. }
  3830. }
  3831. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3832. struct bnx2x_phy *phy,
  3833. u8 tx_en)
  3834. {
  3835. struct bnx2x *bp = params->bp;
  3836. u32 cfg_pin;
  3837. u8 port = params->port;
  3838. cfg_pin = REG_RD(bp, params->shmem_base +
  3839. offsetof(struct shmem_region,
  3840. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3841. PORT_HW_CFG_E3_TX_LASER_MASK;
  3842. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3843. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3844. /* For 20G, the expected pin to be used is 3 pins after the current */
  3845. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3846. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3847. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3848. }
  3849. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3850. struct link_params *params,
  3851. struct link_vars *vars)
  3852. {
  3853. struct bnx2x *bp = params->bp;
  3854. u32 serdes_net_if;
  3855. u8 fiber_mode;
  3856. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3857. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3858. offsetof(struct shmem_region, dev_info.
  3859. port_hw_config[params->port].default_cfg)) &
  3860. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3861. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3862. "serdes_net_if = 0x%x\n",
  3863. vars->line_speed, serdes_net_if);
  3864. bnx2x_set_aer_mmd(params, phy);
  3865. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3866. vars->phy_flags |= PHY_XGXS_FLAG;
  3867. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3868. (phy->req_line_speed &&
  3869. ((phy->req_line_speed == SPEED_100) ||
  3870. (phy->req_line_speed == SPEED_10)))) {
  3871. vars->phy_flags |= PHY_SGMII_FLAG;
  3872. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3873. bnx2x_warpcore_clear_regs(phy, params, lane);
  3874. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3875. } else {
  3876. switch (serdes_net_if) {
  3877. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3878. /* Enable KR Auto Neg */
  3879. if (params->loopback_mode != LOOPBACK_EXT)
  3880. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3881. else {
  3882. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3883. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3884. }
  3885. break;
  3886. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3887. bnx2x_warpcore_clear_regs(phy, params, lane);
  3888. if (vars->line_speed == SPEED_10000) {
  3889. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3890. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3891. } else {
  3892. if (SINGLE_MEDIA_DIRECT(params)) {
  3893. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3894. fiber_mode = 1;
  3895. } else {
  3896. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3897. fiber_mode = 0;
  3898. }
  3899. bnx2x_warpcore_set_sgmii_speed(phy,
  3900. params,
  3901. fiber_mode,
  3902. 0);
  3903. }
  3904. break;
  3905. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3906. /* Issue Module detection if module is plugged, or
  3907. * enabled transmitter to avoid current leakage in case
  3908. * no module is connected
  3909. */
  3910. if (bnx2x_is_sfp_module_plugged(phy, params))
  3911. bnx2x_sfp_module_detection(phy, params);
  3912. else
  3913. bnx2x_sfp_e3_set_transmitter(params, phy, 1);
  3914. bnx2x_warpcore_config_sfi(phy, params);
  3915. break;
  3916. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3917. if (vars->line_speed != SPEED_20000) {
  3918. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3919. return;
  3920. }
  3921. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3922. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3923. /* Issue Module detection */
  3924. bnx2x_sfp_module_detection(phy, params);
  3925. break;
  3926. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3927. if (!params->loopback_mode) {
  3928. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3929. } else {
  3930. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3931. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3932. }
  3933. break;
  3934. default:
  3935. DP(NETIF_MSG_LINK,
  3936. "Unsupported Serdes Net Interface 0x%x\n",
  3937. serdes_net_if);
  3938. return;
  3939. }
  3940. }
  3941. /* Take lane out of reset after configuration is finished */
  3942. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3943. DP(NETIF_MSG_LINK, "Exit config init\n");
  3944. }
  3945. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3946. struct link_params *params)
  3947. {
  3948. struct bnx2x *bp = params->bp;
  3949. u16 val16, lane;
  3950. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3951. bnx2x_set_mdio_emac_per_phy(bp, params);
  3952. bnx2x_set_aer_mmd(params, phy);
  3953. /* Global register */
  3954. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3955. /* Clear loopback settings (if any) */
  3956. /* 10G & 20G */
  3957. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3958. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3959. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3960. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3961. /* Update those 1-copy registers */
  3962. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3963. MDIO_AER_BLOCK_AER_REG, 0);
  3964. /* Enable 1G MDIO (1-copy) */
  3965. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3966. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3967. ~0x10);
  3968. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3969. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3970. lane = bnx2x_get_warpcore_lane(phy, params);
  3971. /* Disable CL36 PCS Tx */
  3972. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3973. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3974. val16 |= (0x11 << lane);
  3975. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3976. val16 |= (0x22 << lane);
  3977. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3979. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3981. val16 &= ~(0x0303 << (lane << 1));
  3982. val16 |= (0x0101 << (lane << 1));
  3983. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3984. val16 &= ~(0x0c0c << (lane << 1));
  3985. val16 |= (0x0404 << (lane << 1));
  3986. }
  3987. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3988. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3989. /* Restore AER */
  3990. bnx2x_set_aer_mmd(params, phy);
  3991. }
  3992. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3993. struct link_params *params)
  3994. {
  3995. struct bnx2x *bp = params->bp;
  3996. u16 val16;
  3997. u32 lane;
  3998. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3999. params->loopback_mode, phy->req_line_speed);
  4000. if (phy->req_line_speed < SPEED_10000 ||
  4001. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4002. /* 10/100/1000/20G-KR2 */
  4003. /* Update those 1-copy registers */
  4004. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4005. MDIO_AER_BLOCK_AER_REG, 0);
  4006. /* Enable 1G MDIO (1-copy) */
  4007. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4008. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4009. 0x10);
  4010. /* Set 1G loopback based on lane (1-copy) */
  4011. lane = bnx2x_get_warpcore_lane(phy, params);
  4012. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4013. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4014. val16 |= (1<<lane);
  4015. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4016. val16 |= (2<<lane);
  4017. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4018. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4019. val16);
  4020. /* Switch back to 4-copy registers */
  4021. bnx2x_set_aer_mmd(params, phy);
  4022. } else {
  4023. /* 10G / 20G-DXGXS */
  4024. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4025. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4026. 0x4000);
  4027. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4028. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4029. }
  4030. }
  4031. static void bnx2x_sync_link(struct link_params *params,
  4032. struct link_vars *vars)
  4033. {
  4034. struct bnx2x *bp = params->bp;
  4035. u8 link_10g_plus;
  4036. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4037. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4038. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4039. if (vars->link_up) {
  4040. DP(NETIF_MSG_LINK, "phy link up\n");
  4041. vars->phy_link_up = 1;
  4042. vars->duplex = DUPLEX_FULL;
  4043. switch (vars->link_status &
  4044. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4045. case LINK_10THD:
  4046. vars->duplex = DUPLEX_HALF;
  4047. /* Fall thru */
  4048. case LINK_10TFD:
  4049. vars->line_speed = SPEED_10;
  4050. break;
  4051. case LINK_100TXHD:
  4052. vars->duplex = DUPLEX_HALF;
  4053. /* Fall thru */
  4054. case LINK_100T4:
  4055. case LINK_100TXFD:
  4056. vars->line_speed = SPEED_100;
  4057. break;
  4058. case LINK_1000THD:
  4059. vars->duplex = DUPLEX_HALF;
  4060. /* Fall thru */
  4061. case LINK_1000TFD:
  4062. vars->line_speed = SPEED_1000;
  4063. break;
  4064. case LINK_2500THD:
  4065. vars->duplex = DUPLEX_HALF;
  4066. /* Fall thru */
  4067. case LINK_2500TFD:
  4068. vars->line_speed = SPEED_2500;
  4069. break;
  4070. case LINK_10GTFD:
  4071. vars->line_speed = SPEED_10000;
  4072. break;
  4073. case LINK_20GTFD:
  4074. vars->line_speed = SPEED_20000;
  4075. break;
  4076. default:
  4077. break;
  4078. }
  4079. vars->flow_ctrl = 0;
  4080. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4081. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4082. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4083. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4084. if (!vars->flow_ctrl)
  4085. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4086. if (vars->line_speed &&
  4087. ((vars->line_speed == SPEED_10) ||
  4088. (vars->line_speed == SPEED_100))) {
  4089. vars->phy_flags |= PHY_SGMII_FLAG;
  4090. } else {
  4091. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4092. }
  4093. if (vars->line_speed &&
  4094. USES_WARPCORE(bp) &&
  4095. (vars->line_speed == SPEED_1000))
  4096. vars->phy_flags |= PHY_SGMII_FLAG;
  4097. /* Anything 10 and over uses the bmac */
  4098. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4099. if (link_10g_plus) {
  4100. if (USES_WARPCORE(bp))
  4101. vars->mac_type = MAC_TYPE_XMAC;
  4102. else
  4103. vars->mac_type = MAC_TYPE_BMAC;
  4104. } else {
  4105. if (USES_WARPCORE(bp))
  4106. vars->mac_type = MAC_TYPE_UMAC;
  4107. else
  4108. vars->mac_type = MAC_TYPE_EMAC;
  4109. }
  4110. } else { /* Link down */
  4111. DP(NETIF_MSG_LINK, "phy link down\n");
  4112. vars->phy_link_up = 0;
  4113. vars->line_speed = 0;
  4114. vars->duplex = DUPLEX_FULL;
  4115. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4116. /* Indicate no mac active */
  4117. vars->mac_type = MAC_TYPE_NONE;
  4118. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4119. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4120. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4121. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4122. }
  4123. }
  4124. void bnx2x_link_status_update(struct link_params *params,
  4125. struct link_vars *vars)
  4126. {
  4127. struct bnx2x *bp = params->bp;
  4128. u8 port = params->port;
  4129. u32 sync_offset, media_types;
  4130. /* Update PHY configuration */
  4131. set_phy_vars(params, vars);
  4132. vars->link_status = REG_RD(bp, params->shmem_base +
  4133. offsetof(struct shmem_region,
  4134. port_mb[port].link_status));
  4135. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4136. if (params->loopback_mode != LOOPBACK_NONE &&
  4137. params->loopback_mode != LOOPBACK_EXT)
  4138. vars->link_status |= LINK_STATUS_LINK_UP;
  4139. if (bnx2x_eee_has_cap(params))
  4140. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4141. offsetof(struct shmem2_region,
  4142. eee_status[params->port]));
  4143. vars->phy_flags = PHY_XGXS_FLAG;
  4144. bnx2x_sync_link(params, vars);
  4145. /* Sync media type */
  4146. sync_offset = params->shmem_base +
  4147. offsetof(struct shmem_region,
  4148. dev_info.port_hw_config[port].media_type);
  4149. media_types = REG_RD(bp, sync_offset);
  4150. params->phy[INT_PHY].media_type =
  4151. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4152. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4153. params->phy[EXT_PHY1].media_type =
  4154. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4155. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4156. params->phy[EXT_PHY2].media_type =
  4157. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4158. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4159. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4160. /* Sync AEU offset */
  4161. sync_offset = params->shmem_base +
  4162. offsetof(struct shmem_region,
  4163. dev_info.port_hw_config[port].aeu_int_mask);
  4164. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4165. /* Sync PFC status */
  4166. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4167. params->feature_config_flags |=
  4168. FEATURE_CONFIG_PFC_ENABLED;
  4169. else
  4170. params->feature_config_flags &=
  4171. ~FEATURE_CONFIG_PFC_ENABLED;
  4172. if (SHMEM2_HAS(bp, link_attr_sync))
  4173. vars->link_attr_sync = SHMEM2_RD(bp,
  4174. link_attr_sync[params->port]);
  4175. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4176. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4177. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4178. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4179. }
  4180. static void bnx2x_set_master_ln(struct link_params *params,
  4181. struct bnx2x_phy *phy)
  4182. {
  4183. struct bnx2x *bp = params->bp;
  4184. u16 new_master_ln, ser_lane;
  4185. ser_lane = ((params->lane_config &
  4186. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4187. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4188. /* Set the master_ln for AN */
  4189. CL22_RD_OVER_CL45(bp, phy,
  4190. MDIO_REG_BANK_XGXS_BLOCK2,
  4191. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4192. &new_master_ln);
  4193. CL22_WR_OVER_CL45(bp, phy,
  4194. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4195. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4196. (new_master_ln | ser_lane));
  4197. }
  4198. static int bnx2x_reset_unicore(struct link_params *params,
  4199. struct bnx2x_phy *phy,
  4200. u8 set_serdes)
  4201. {
  4202. struct bnx2x *bp = params->bp;
  4203. u16 mii_control;
  4204. u16 i;
  4205. CL22_RD_OVER_CL45(bp, phy,
  4206. MDIO_REG_BANK_COMBO_IEEE0,
  4207. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4208. /* Reset the unicore */
  4209. CL22_WR_OVER_CL45(bp, phy,
  4210. MDIO_REG_BANK_COMBO_IEEE0,
  4211. MDIO_COMBO_IEEE0_MII_CONTROL,
  4212. (mii_control |
  4213. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4214. if (set_serdes)
  4215. bnx2x_set_serdes_access(bp, params->port);
  4216. /* Wait for the reset to self clear */
  4217. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4218. udelay(5);
  4219. /* The reset erased the previous bank value */
  4220. CL22_RD_OVER_CL45(bp, phy,
  4221. MDIO_REG_BANK_COMBO_IEEE0,
  4222. MDIO_COMBO_IEEE0_MII_CONTROL,
  4223. &mii_control);
  4224. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4225. udelay(5);
  4226. return 0;
  4227. }
  4228. }
  4229. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4230. " Port %d\n",
  4231. params->port);
  4232. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4233. return -EINVAL;
  4234. }
  4235. static void bnx2x_set_swap_lanes(struct link_params *params,
  4236. struct bnx2x_phy *phy)
  4237. {
  4238. struct bnx2x *bp = params->bp;
  4239. /* Each two bits represents a lane number:
  4240. * No swap is 0123 => 0x1b no need to enable the swap
  4241. */
  4242. u16 rx_lane_swap, tx_lane_swap;
  4243. rx_lane_swap = ((params->lane_config &
  4244. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4245. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4246. tx_lane_swap = ((params->lane_config &
  4247. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4248. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4249. if (rx_lane_swap != 0x1b) {
  4250. CL22_WR_OVER_CL45(bp, phy,
  4251. MDIO_REG_BANK_XGXS_BLOCK2,
  4252. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4253. (rx_lane_swap |
  4254. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4255. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4256. } else {
  4257. CL22_WR_OVER_CL45(bp, phy,
  4258. MDIO_REG_BANK_XGXS_BLOCK2,
  4259. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4260. }
  4261. if (tx_lane_swap != 0x1b) {
  4262. CL22_WR_OVER_CL45(bp, phy,
  4263. MDIO_REG_BANK_XGXS_BLOCK2,
  4264. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4265. (tx_lane_swap |
  4266. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4267. } else {
  4268. CL22_WR_OVER_CL45(bp, phy,
  4269. MDIO_REG_BANK_XGXS_BLOCK2,
  4270. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4271. }
  4272. }
  4273. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4274. struct link_params *params)
  4275. {
  4276. struct bnx2x *bp = params->bp;
  4277. u16 control2;
  4278. CL22_RD_OVER_CL45(bp, phy,
  4279. MDIO_REG_BANK_SERDES_DIGITAL,
  4280. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4281. &control2);
  4282. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4283. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4284. else
  4285. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4286. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4287. phy->speed_cap_mask, control2);
  4288. CL22_WR_OVER_CL45(bp, phy,
  4289. MDIO_REG_BANK_SERDES_DIGITAL,
  4290. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4291. control2);
  4292. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4293. (phy->speed_cap_mask &
  4294. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4295. DP(NETIF_MSG_LINK, "XGXS\n");
  4296. CL22_WR_OVER_CL45(bp, phy,
  4297. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4298. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4299. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4300. CL22_RD_OVER_CL45(bp, phy,
  4301. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4302. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4303. &control2);
  4304. control2 |=
  4305. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4306. CL22_WR_OVER_CL45(bp, phy,
  4307. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4308. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4309. control2);
  4310. /* Disable parallel detection of HiG */
  4311. CL22_WR_OVER_CL45(bp, phy,
  4312. MDIO_REG_BANK_XGXS_BLOCK2,
  4313. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4314. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4315. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4316. }
  4317. }
  4318. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4319. struct link_params *params,
  4320. struct link_vars *vars,
  4321. u8 enable_cl73)
  4322. {
  4323. struct bnx2x *bp = params->bp;
  4324. u16 reg_val;
  4325. /* CL37 Autoneg */
  4326. CL22_RD_OVER_CL45(bp, phy,
  4327. MDIO_REG_BANK_COMBO_IEEE0,
  4328. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4329. /* CL37 Autoneg Enabled */
  4330. if (vars->line_speed == SPEED_AUTO_NEG)
  4331. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4332. else /* CL37 Autoneg Disabled */
  4333. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4334. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4335. CL22_WR_OVER_CL45(bp, phy,
  4336. MDIO_REG_BANK_COMBO_IEEE0,
  4337. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4338. /* Enable/Disable Autodetection */
  4339. CL22_RD_OVER_CL45(bp, phy,
  4340. MDIO_REG_BANK_SERDES_DIGITAL,
  4341. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4342. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4343. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4344. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4345. if (vars->line_speed == SPEED_AUTO_NEG)
  4346. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4347. else
  4348. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4349. CL22_WR_OVER_CL45(bp, phy,
  4350. MDIO_REG_BANK_SERDES_DIGITAL,
  4351. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4352. /* Enable TetonII and BAM autoneg */
  4353. CL22_RD_OVER_CL45(bp, phy,
  4354. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4355. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4356. &reg_val);
  4357. if (vars->line_speed == SPEED_AUTO_NEG) {
  4358. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4359. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4360. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4361. } else {
  4362. /* TetonII and BAM Autoneg Disabled */
  4363. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4364. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4365. }
  4366. CL22_WR_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4368. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4369. reg_val);
  4370. if (enable_cl73) {
  4371. /* Enable Cl73 FSM status bits */
  4372. CL22_WR_OVER_CL45(bp, phy,
  4373. MDIO_REG_BANK_CL73_USERB0,
  4374. MDIO_CL73_USERB0_CL73_UCTRL,
  4375. 0xe);
  4376. /* Enable BAM Station Manager*/
  4377. CL22_WR_OVER_CL45(bp, phy,
  4378. MDIO_REG_BANK_CL73_USERB0,
  4379. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4380. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4381. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4382. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4383. /* Advertise CL73 link speeds */
  4384. CL22_RD_OVER_CL45(bp, phy,
  4385. MDIO_REG_BANK_CL73_IEEEB1,
  4386. MDIO_CL73_IEEEB1_AN_ADV2,
  4387. &reg_val);
  4388. if (phy->speed_cap_mask &
  4389. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4390. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4391. if (phy->speed_cap_mask &
  4392. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4393. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4394. CL22_WR_OVER_CL45(bp, phy,
  4395. MDIO_REG_BANK_CL73_IEEEB1,
  4396. MDIO_CL73_IEEEB1_AN_ADV2,
  4397. reg_val);
  4398. /* CL73 Autoneg Enabled */
  4399. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4400. } else /* CL73 Autoneg Disabled */
  4401. reg_val = 0;
  4402. CL22_WR_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_CL73_IEEEB0,
  4404. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4405. }
  4406. /* Program SerDes, forced speed */
  4407. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4408. struct link_params *params,
  4409. struct link_vars *vars)
  4410. {
  4411. struct bnx2x *bp = params->bp;
  4412. u16 reg_val;
  4413. /* Program duplex, disable autoneg and sgmii*/
  4414. CL22_RD_OVER_CL45(bp, phy,
  4415. MDIO_REG_BANK_COMBO_IEEE0,
  4416. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4417. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4418. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4419. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4420. if (phy->req_duplex == DUPLEX_FULL)
  4421. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4422. CL22_WR_OVER_CL45(bp, phy,
  4423. MDIO_REG_BANK_COMBO_IEEE0,
  4424. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4425. /* Program speed
  4426. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4427. */
  4428. CL22_RD_OVER_CL45(bp, phy,
  4429. MDIO_REG_BANK_SERDES_DIGITAL,
  4430. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4431. /* Clearing the speed value before setting the right speed */
  4432. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4433. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4434. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4435. if (!((vars->line_speed == SPEED_1000) ||
  4436. (vars->line_speed == SPEED_100) ||
  4437. (vars->line_speed == SPEED_10))) {
  4438. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4439. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4440. if (vars->line_speed == SPEED_10000)
  4441. reg_val |=
  4442. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4443. }
  4444. CL22_WR_OVER_CL45(bp, phy,
  4445. MDIO_REG_BANK_SERDES_DIGITAL,
  4446. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4447. }
  4448. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4449. struct link_params *params)
  4450. {
  4451. struct bnx2x *bp = params->bp;
  4452. u16 val = 0;
  4453. /* Set extended capabilities */
  4454. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4455. val |= MDIO_OVER_1G_UP1_2_5G;
  4456. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4457. val |= MDIO_OVER_1G_UP1_10G;
  4458. CL22_WR_OVER_CL45(bp, phy,
  4459. MDIO_REG_BANK_OVER_1G,
  4460. MDIO_OVER_1G_UP1, val);
  4461. CL22_WR_OVER_CL45(bp, phy,
  4462. MDIO_REG_BANK_OVER_1G,
  4463. MDIO_OVER_1G_UP3, 0x400);
  4464. }
  4465. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4466. struct link_params *params,
  4467. u16 ieee_fc)
  4468. {
  4469. struct bnx2x *bp = params->bp;
  4470. u16 val;
  4471. /* For AN, we are always publishing full duplex */
  4472. CL22_WR_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_COMBO_IEEE0,
  4474. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4475. CL22_RD_OVER_CL45(bp, phy,
  4476. MDIO_REG_BANK_CL73_IEEEB1,
  4477. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4478. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4479. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4480. CL22_WR_OVER_CL45(bp, phy,
  4481. MDIO_REG_BANK_CL73_IEEEB1,
  4482. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4483. }
  4484. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4485. struct link_params *params,
  4486. u8 enable_cl73)
  4487. {
  4488. struct bnx2x *bp = params->bp;
  4489. u16 mii_control;
  4490. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4491. /* Enable and restart BAM/CL37 aneg */
  4492. if (enable_cl73) {
  4493. CL22_RD_OVER_CL45(bp, phy,
  4494. MDIO_REG_BANK_CL73_IEEEB0,
  4495. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4496. &mii_control);
  4497. CL22_WR_OVER_CL45(bp, phy,
  4498. MDIO_REG_BANK_CL73_IEEEB0,
  4499. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4500. (mii_control |
  4501. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4502. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4503. } else {
  4504. CL22_RD_OVER_CL45(bp, phy,
  4505. MDIO_REG_BANK_COMBO_IEEE0,
  4506. MDIO_COMBO_IEEE0_MII_CONTROL,
  4507. &mii_control);
  4508. DP(NETIF_MSG_LINK,
  4509. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4510. mii_control);
  4511. CL22_WR_OVER_CL45(bp, phy,
  4512. MDIO_REG_BANK_COMBO_IEEE0,
  4513. MDIO_COMBO_IEEE0_MII_CONTROL,
  4514. (mii_control |
  4515. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4516. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4517. }
  4518. }
  4519. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4520. struct link_params *params,
  4521. struct link_vars *vars)
  4522. {
  4523. struct bnx2x *bp = params->bp;
  4524. u16 control1;
  4525. /* In SGMII mode, the unicore is always slave */
  4526. CL22_RD_OVER_CL45(bp, phy,
  4527. MDIO_REG_BANK_SERDES_DIGITAL,
  4528. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4529. &control1);
  4530. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4531. /* Set sgmii mode (and not fiber) */
  4532. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4533. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4534. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4535. CL22_WR_OVER_CL45(bp, phy,
  4536. MDIO_REG_BANK_SERDES_DIGITAL,
  4537. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4538. control1);
  4539. /* If forced speed */
  4540. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4541. /* Set speed, disable autoneg */
  4542. u16 mii_control;
  4543. CL22_RD_OVER_CL45(bp, phy,
  4544. MDIO_REG_BANK_COMBO_IEEE0,
  4545. MDIO_COMBO_IEEE0_MII_CONTROL,
  4546. &mii_control);
  4547. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4548. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4549. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4550. switch (vars->line_speed) {
  4551. case SPEED_100:
  4552. mii_control |=
  4553. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4554. break;
  4555. case SPEED_1000:
  4556. mii_control |=
  4557. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4558. break;
  4559. case SPEED_10:
  4560. /* There is nothing to set for 10M */
  4561. break;
  4562. default:
  4563. /* Invalid speed for SGMII */
  4564. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4565. vars->line_speed);
  4566. break;
  4567. }
  4568. /* Setting the full duplex */
  4569. if (phy->req_duplex == DUPLEX_FULL)
  4570. mii_control |=
  4571. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4572. CL22_WR_OVER_CL45(bp, phy,
  4573. MDIO_REG_BANK_COMBO_IEEE0,
  4574. MDIO_COMBO_IEEE0_MII_CONTROL,
  4575. mii_control);
  4576. } else { /* AN mode */
  4577. /* Enable and restart AN */
  4578. bnx2x_restart_autoneg(phy, params, 0);
  4579. }
  4580. }
  4581. /* Link management
  4582. */
  4583. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4584. struct link_params *params)
  4585. {
  4586. struct bnx2x *bp = params->bp;
  4587. u16 pd_10g, status2_1000x;
  4588. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4589. return 0;
  4590. CL22_RD_OVER_CL45(bp, phy,
  4591. MDIO_REG_BANK_SERDES_DIGITAL,
  4592. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4593. &status2_1000x);
  4594. CL22_RD_OVER_CL45(bp, phy,
  4595. MDIO_REG_BANK_SERDES_DIGITAL,
  4596. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4597. &status2_1000x);
  4598. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4599. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4600. params->port);
  4601. return 1;
  4602. }
  4603. CL22_RD_OVER_CL45(bp, phy,
  4604. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4605. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4606. &pd_10g);
  4607. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4608. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4609. params->port);
  4610. return 1;
  4611. }
  4612. return 0;
  4613. }
  4614. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4615. struct link_params *params,
  4616. struct link_vars *vars,
  4617. u32 gp_status)
  4618. {
  4619. u16 ld_pause; /* local driver */
  4620. u16 lp_pause; /* link partner */
  4621. u16 pause_result;
  4622. struct bnx2x *bp = params->bp;
  4623. if ((gp_status &
  4624. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4625. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4626. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4627. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4628. CL22_RD_OVER_CL45(bp, phy,
  4629. MDIO_REG_BANK_CL73_IEEEB1,
  4630. MDIO_CL73_IEEEB1_AN_ADV1,
  4631. &ld_pause);
  4632. CL22_RD_OVER_CL45(bp, phy,
  4633. MDIO_REG_BANK_CL73_IEEEB1,
  4634. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4635. &lp_pause);
  4636. pause_result = (ld_pause &
  4637. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4638. pause_result |= (lp_pause &
  4639. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4640. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4641. } else {
  4642. CL22_RD_OVER_CL45(bp, phy,
  4643. MDIO_REG_BANK_COMBO_IEEE0,
  4644. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4645. &ld_pause);
  4646. CL22_RD_OVER_CL45(bp, phy,
  4647. MDIO_REG_BANK_COMBO_IEEE0,
  4648. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4649. &lp_pause);
  4650. pause_result = (ld_pause &
  4651. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4652. pause_result |= (lp_pause &
  4653. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4654. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4655. }
  4656. bnx2x_pause_resolve(vars, pause_result);
  4657. }
  4658. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4659. struct link_params *params,
  4660. struct link_vars *vars,
  4661. u32 gp_status)
  4662. {
  4663. struct bnx2x *bp = params->bp;
  4664. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4665. /* Resolve from gp_status in case of AN complete and not sgmii */
  4666. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4667. /* Update the advertised flow-controled of LD/LP in AN */
  4668. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4669. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4670. /* But set the flow-control result as the requested one */
  4671. vars->flow_ctrl = phy->req_flow_ctrl;
  4672. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4673. vars->flow_ctrl = params->req_fc_auto_adv;
  4674. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4675. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4676. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4677. vars->flow_ctrl = params->req_fc_auto_adv;
  4678. return;
  4679. }
  4680. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4681. }
  4682. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4683. }
  4684. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4685. struct link_params *params)
  4686. {
  4687. struct bnx2x *bp = params->bp;
  4688. u16 rx_status, ustat_val, cl37_fsm_received;
  4689. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4690. /* Step 1: Make sure signal is detected */
  4691. CL22_RD_OVER_CL45(bp, phy,
  4692. MDIO_REG_BANK_RX0,
  4693. MDIO_RX0_RX_STATUS,
  4694. &rx_status);
  4695. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4696. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4697. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4698. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4699. CL22_WR_OVER_CL45(bp, phy,
  4700. MDIO_REG_BANK_CL73_IEEEB0,
  4701. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4702. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4703. return;
  4704. }
  4705. /* Step 2: Check CL73 state machine */
  4706. CL22_RD_OVER_CL45(bp, phy,
  4707. MDIO_REG_BANK_CL73_USERB0,
  4708. MDIO_CL73_USERB0_CL73_USTAT1,
  4709. &ustat_val);
  4710. if ((ustat_val &
  4711. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4712. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4713. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4714. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4715. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4716. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4717. return;
  4718. }
  4719. /* Step 3: Check CL37 Message Pages received to indicate LP
  4720. * supports only CL37
  4721. */
  4722. CL22_RD_OVER_CL45(bp, phy,
  4723. MDIO_REG_BANK_REMOTE_PHY,
  4724. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4725. &cl37_fsm_received);
  4726. if ((cl37_fsm_received &
  4727. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4728. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4729. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4730. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4731. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4732. "misc_rx_status(0x8330) = 0x%x\n",
  4733. cl37_fsm_received);
  4734. return;
  4735. }
  4736. /* The combined cl37/cl73 fsm state information indicating that
  4737. * we are connected to a device which does not support cl73, but
  4738. * does support cl37 BAM. In this case we disable cl73 and
  4739. * restart cl37 auto-neg
  4740. */
  4741. /* Disable CL73 */
  4742. CL22_WR_OVER_CL45(bp, phy,
  4743. MDIO_REG_BANK_CL73_IEEEB0,
  4744. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4745. 0);
  4746. /* Restart CL37 autoneg */
  4747. bnx2x_restart_autoneg(phy, params, 0);
  4748. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4749. }
  4750. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4751. struct link_params *params,
  4752. struct link_vars *vars,
  4753. u32 gp_status)
  4754. {
  4755. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4756. vars->link_status |=
  4757. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4758. if (bnx2x_direct_parallel_detect_used(phy, params))
  4759. vars->link_status |=
  4760. LINK_STATUS_PARALLEL_DETECTION_USED;
  4761. }
  4762. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4763. struct link_params *params,
  4764. struct link_vars *vars,
  4765. u16 is_link_up,
  4766. u16 speed_mask,
  4767. u16 is_duplex)
  4768. {
  4769. struct bnx2x *bp = params->bp;
  4770. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4771. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4772. if (is_link_up) {
  4773. DP(NETIF_MSG_LINK, "phy link up\n");
  4774. vars->phy_link_up = 1;
  4775. vars->link_status |= LINK_STATUS_LINK_UP;
  4776. switch (speed_mask) {
  4777. case GP_STATUS_10M:
  4778. vars->line_speed = SPEED_10;
  4779. if (is_duplex == DUPLEX_FULL)
  4780. vars->link_status |= LINK_10TFD;
  4781. else
  4782. vars->link_status |= LINK_10THD;
  4783. break;
  4784. case GP_STATUS_100M:
  4785. vars->line_speed = SPEED_100;
  4786. if (is_duplex == DUPLEX_FULL)
  4787. vars->link_status |= LINK_100TXFD;
  4788. else
  4789. vars->link_status |= LINK_100TXHD;
  4790. break;
  4791. case GP_STATUS_1G:
  4792. case GP_STATUS_1G_KX:
  4793. vars->line_speed = SPEED_1000;
  4794. if (is_duplex == DUPLEX_FULL)
  4795. vars->link_status |= LINK_1000TFD;
  4796. else
  4797. vars->link_status |= LINK_1000THD;
  4798. break;
  4799. case GP_STATUS_2_5G:
  4800. vars->line_speed = SPEED_2500;
  4801. if (is_duplex == DUPLEX_FULL)
  4802. vars->link_status |= LINK_2500TFD;
  4803. else
  4804. vars->link_status |= LINK_2500THD;
  4805. break;
  4806. case GP_STATUS_5G:
  4807. case GP_STATUS_6G:
  4808. DP(NETIF_MSG_LINK,
  4809. "link speed unsupported gp_status 0x%x\n",
  4810. speed_mask);
  4811. return -EINVAL;
  4812. case GP_STATUS_10G_KX4:
  4813. case GP_STATUS_10G_HIG:
  4814. case GP_STATUS_10G_CX4:
  4815. case GP_STATUS_10G_KR:
  4816. case GP_STATUS_10G_SFI:
  4817. case GP_STATUS_10G_XFI:
  4818. vars->line_speed = SPEED_10000;
  4819. vars->link_status |= LINK_10GTFD;
  4820. break;
  4821. case GP_STATUS_20G_DXGXS:
  4822. case GP_STATUS_20G_KR2:
  4823. vars->line_speed = SPEED_20000;
  4824. vars->link_status |= LINK_20GTFD;
  4825. break;
  4826. default:
  4827. DP(NETIF_MSG_LINK,
  4828. "link speed unsupported gp_status 0x%x\n",
  4829. speed_mask);
  4830. return -EINVAL;
  4831. }
  4832. } else { /* link_down */
  4833. DP(NETIF_MSG_LINK, "phy link down\n");
  4834. vars->phy_link_up = 0;
  4835. vars->duplex = DUPLEX_FULL;
  4836. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4837. vars->mac_type = MAC_TYPE_NONE;
  4838. }
  4839. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4840. vars->phy_link_up, vars->line_speed);
  4841. return 0;
  4842. }
  4843. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4844. struct link_params *params,
  4845. struct link_vars *vars)
  4846. {
  4847. struct bnx2x *bp = params->bp;
  4848. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4849. int rc = 0;
  4850. /* Read gp_status */
  4851. CL22_RD_OVER_CL45(bp, phy,
  4852. MDIO_REG_BANK_GP_STATUS,
  4853. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4854. &gp_status);
  4855. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4856. duplex = DUPLEX_FULL;
  4857. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4858. link_up = 1;
  4859. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4860. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4861. gp_status, link_up, speed_mask);
  4862. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4863. duplex);
  4864. if (rc == -EINVAL)
  4865. return rc;
  4866. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4867. if (SINGLE_MEDIA_DIRECT(params)) {
  4868. vars->duplex = duplex;
  4869. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4870. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4871. bnx2x_xgxs_an_resolve(phy, params, vars,
  4872. gp_status);
  4873. }
  4874. } else { /* Link_down */
  4875. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4876. SINGLE_MEDIA_DIRECT(params)) {
  4877. /* Check signal is detected */
  4878. bnx2x_check_fallback_to_cl37(phy, params);
  4879. }
  4880. }
  4881. /* Read LP advertised speeds*/
  4882. if (SINGLE_MEDIA_DIRECT(params) &&
  4883. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4884. u16 val;
  4885. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4886. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4887. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4888. vars->link_status |=
  4889. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4890. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4891. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4892. vars->link_status |=
  4893. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4894. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4895. MDIO_OVER_1G_LP_UP1, &val);
  4896. if (val & MDIO_OVER_1G_UP1_2_5G)
  4897. vars->link_status |=
  4898. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4899. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4900. vars->link_status |=
  4901. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4902. }
  4903. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4904. vars->duplex, vars->flow_ctrl, vars->link_status);
  4905. return rc;
  4906. }
  4907. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4908. struct link_params *params,
  4909. struct link_vars *vars)
  4910. {
  4911. struct bnx2x *bp = params->bp;
  4912. u8 lane;
  4913. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4914. int rc = 0;
  4915. lane = bnx2x_get_warpcore_lane(phy, params);
  4916. /* Read gp_status */
  4917. if ((params->loopback_mode) &&
  4918. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4919. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4920. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4921. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4922. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4923. link_up &= 0x1;
  4924. } else if ((phy->req_line_speed > SPEED_10000) &&
  4925. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4926. u16 temp_link_up;
  4927. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4928. 1, &temp_link_up);
  4929. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4930. 1, &link_up);
  4931. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4932. temp_link_up, link_up);
  4933. link_up &= (1<<2);
  4934. if (link_up)
  4935. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4936. } else {
  4937. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4938. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4939. &gp_status1);
  4940. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4941. /* Check for either KR, 1G, or AN up. */
  4942. link_up = ((gp_status1 >> 8) |
  4943. (gp_status1 >> 12) |
  4944. (gp_status1)) &
  4945. (1 << lane);
  4946. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4947. u16 an_link;
  4948. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4949. MDIO_AN_REG_STATUS, &an_link);
  4950. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4951. MDIO_AN_REG_STATUS, &an_link);
  4952. link_up |= (an_link & (1<<2));
  4953. }
  4954. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4955. u16 pd, gp_status4;
  4956. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4957. /* Check Autoneg complete */
  4958. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4959. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4960. &gp_status4);
  4961. if (gp_status4 & ((1<<12)<<lane))
  4962. vars->link_status |=
  4963. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4964. /* Check parallel detect used */
  4965. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4966. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4967. &pd);
  4968. if (pd & (1<<15))
  4969. vars->link_status |=
  4970. LINK_STATUS_PARALLEL_DETECTION_USED;
  4971. }
  4972. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4973. vars->duplex = duplex;
  4974. }
  4975. }
  4976. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4977. SINGLE_MEDIA_DIRECT(params)) {
  4978. u16 val;
  4979. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4980. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4981. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4982. vars->link_status |=
  4983. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4984. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4985. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4986. vars->link_status |=
  4987. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4988. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4989. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4990. if (val & MDIO_OVER_1G_UP1_2_5G)
  4991. vars->link_status |=
  4992. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4993. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4994. vars->link_status |=
  4995. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4996. }
  4997. if (lane < 2) {
  4998. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4999. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5000. } else {
  5001. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5002. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5003. }
  5004. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5005. if ((lane & 1) == 0)
  5006. gp_speed <<= 8;
  5007. gp_speed &= 0x3f00;
  5008. link_up = !!link_up;
  5009. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5010. duplex);
  5011. /* In case of KR link down, start up the recovering procedure */
  5012. if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
  5013. (!(phy->flags & FLAGS_WC_DUAL_MODE)))
  5014. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  5015. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5016. vars->duplex, vars->flow_ctrl, vars->link_status);
  5017. return rc;
  5018. }
  5019. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5020. {
  5021. struct bnx2x *bp = params->bp;
  5022. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5023. u16 lp_up2;
  5024. u16 tx_driver;
  5025. u16 bank;
  5026. /* Read precomp */
  5027. CL22_RD_OVER_CL45(bp, phy,
  5028. MDIO_REG_BANK_OVER_1G,
  5029. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5030. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5031. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5032. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5033. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5034. if (lp_up2 == 0)
  5035. return;
  5036. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5037. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5038. CL22_RD_OVER_CL45(bp, phy,
  5039. bank,
  5040. MDIO_TX0_TX_DRIVER, &tx_driver);
  5041. /* Replace tx_driver bits [15:12] */
  5042. if (lp_up2 !=
  5043. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5044. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5045. tx_driver |= lp_up2;
  5046. CL22_WR_OVER_CL45(bp, phy,
  5047. bank,
  5048. MDIO_TX0_TX_DRIVER, tx_driver);
  5049. }
  5050. }
  5051. }
  5052. static int bnx2x_emac_program(struct link_params *params,
  5053. struct link_vars *vars)
  5054. {
  5055. struct bnx2x *bp = params->bp;
  5056. u8 port = params->port;
  5057. u16 mode = 0;
  5058. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5059. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5060. EMAC_REG_EMAC_MODE,
  5061. (EMAC_MODE_25G_MODE |
  5062. EMAC_MODE_PORT_MII_10M |
  5063. EMAC_MODE_HALF_DUPLEX));
  5064. switch (vars->line_speed) {
  5065. case SPEED_10:
  5066. mode |= EMAC_MODE_PORT_MII_10M;
  5067. break;
  5068. case SPEED_100:
  5069. mode |= EMAC_MODE_PORT_MII;
  5070. break;
  5071. case SPEED_1000:
  5072. mode |= EMAC_MODE_PORT_GMII;
  5073. break;
  5074. case SPEED_2500:
  5075. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5076. break;
  5077. default:
  5078. /* 10G not valid for EMAC */
  5079. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5080. vars->line_speed);
  5081. return -EINVAL;
  5082. }
  5083. if (vars->duplex == DUPLEX_HALF)
  5084. mode |= EMAC_MODE_HALF_DUPLEX;
  5085. bnx2x_bits_en(bp,
  5086. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5087. mode);
  5088. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5089. return 0;
  5090. }
  5091. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5092. struct link_params *params)
  5093. {
  5094. u16 bank, i = 0;
  5095. struct bnx2x *bp = params->bp;
  5096. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5097. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5098. CL22_WR_OVER_CL45(bp, phy,
  5099. bank,
  5100. MDIO_RX0_RX_EQ_BOOST,
  5101. phy->rx_preemphasis[i]);
  5102. }
  5103. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5104. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5105. CL22_WR_OVER_CL45(bp, phy,
  5106. bank,
  5107. MDIO_TX0_TX_DRIVER,
  5108. phy->tx_preemphasis[i]);
  5109. }
  5110. }
  5111. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5112. struct link_params *params,
  5113. struct link_vars *vars)
  5114. {
  5115. struct bnx2x *bp = params->bp;
  5116. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5117. (params->loopback_mode == LOOPBACK_XGXS));
  5118. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5119. if (SINGLE_MEDIA_DIRECT(params) &&
  5120. (params->feature_config_flags &
  5121. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5122. bnx2x_set_preemphasis(phy, params);
  5123. /* Forced speed requested? */
  5124. if (vars->line_speed != SPEED_AUTO_NEG ||
  5125. (SINGLE_MEDIA_DIRECT(params) &&
  5126. params->loopback_mode == LOOPBACK_EXT)) {
  5127. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5128. /* Disable autoneg */
  5129. bnx2x_set_autoneg(phy, params, vars, 0);
  5130. /* Program speed and duplex */
  5131. bnx2x_program_serdes(phy, params, vars);
  5132. } else { /* AN_mode */
  5133. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5134. /* AN enabled */
  5135. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5136. /* Program duplex & pause advertisement (for aneg) */
  5137. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5138. vars->ieee_fc);
  5139. /* Enable autoneg */
  5140. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5141. /* Enable and restart AN */
  5142. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5143. }
  5144. } else { /* SGMII mode */
  5145. DP(NETIF_MSG_LINK, "SGMII\n");
  5146. bnx2x_initialize_sgmii_process(phy, params, vars);
  5147. }
  5148. }
  5149. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5150. struct link_params *params,
  5151. struct link_vars *vars)
  5152. {
  5153. int rc;
  5154. vars->phy_flags |= PHY_XGXS_FLAG;
  5155. if ((phy->req_line_speed &&
  5156. ((phy->req_line_speed == SPEED_100) ||
  5157. (phy->req_line_speed == SPEED_10))) ||
  5158. (!phy->req_line_speed &&
  5159. (phy->speed_cap_mask >=
  5160. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5161. (phy->speed_cap_mask <
  5162. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5163. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5164. vars->phy_flags |= PHY_SGMII_FLAG;
  5165. else
  5166. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5167. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5168. bnx2x_set_aer_mmd(params, phy);
  5169. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5170. bnx2x_set_master_ln(params, phy);
  5171. rc = bnx2x_reset_unicore(params, phy, 0);
  5172. /* Reset the SerDes and wait for reset bit return low */
  5173. if (rc)
  5174. return rc;
  5175. bnx2x_set_aer_mmd(params, phy);
  5176. /* Setting the masterLn_def again after the reset */
  5177. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5178. bnx2x_set_master_ln(params, phy);
  5179. bnx2x_set_swap_lanes(params, phy);
  5180. }
  5181. return rc;
  5182. }
  5183. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5184. struct bnx2x_phy *phy,
  5185. struct link_params *params)
  5186. {
  5187. u16 cnt, ctrl;
  5188. /* Wait for soft reset to get cleared up to 1 sec */
  5189. for (cnt = 0; cnt < 1000; cnt++) {
  5190. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5191. bnx2x_cl22_read(bp, phy,
  5192. MDIO_PMA_REG_CTRL, &ctrl);
  5193. else
  5194. bnx2x_cl45_read(bp, phy,
  5195. MDIO_PMA_DEVAD,
  5196. MDIO_PMA_REG_CTRL, &ctrl);
  5197. if (!(ctrl & (1<<15)))
  5198. break;
  5199. usleep_range(1000, 2000);
  5200. }
  5201. if (cnt == 1000)
  5202. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5203. " Port %d\n",
  5204. params->port);
  5205. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5206. return cnt;
  5207. }
  5208. static void bnx2x_link_int_enable(struct link_params *params)
  5209. {
  5210. u8 port = params->port;
  5211. u32 mask;
  5212. struct bnx2x *bp = params->bp;
  5213. /* Setting the status to report on link up for either XGXS or SerDes */
  5214. if (CHIP_IS_E3(bp)) {
  5215. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5216. if (!(SINGLE_MEDIA_DIRECT(params)))
  5217. mask |= NIG_MASK_MI_INT;
  5218. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5219. mask = (NIG_MASK_XGXS0_LINK10G |
  5220. NIG_MASK_XGXS0_LINK_STATUS);
  5221. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5222. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5223. params->phy[INT_PHY].type !=
  5224. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5225. mask |= NIG_MASK_MI_INT;
  5226. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5227. }
  5228. } else { /* SerDes */
  5229. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5230. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5231. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5232. params->phy[INT_PHY].type !=
  5233. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5234. mask |= NIG_MASK_MI_INT;
  5235. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5236. }
  5237. }
  5238. bnx2x_bits_en(bp,
  5239. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5240. mask);
  5241. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5242. (params->switch_cfg == SWITCH_CFG_10G),
  5243. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5244. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5245. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5246. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5247. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5248. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5249. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5250. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5251. }
  5252. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5253. u8 exp_mi_int)
  5254. {
  5255. u32 latch_status = 0;
  5256. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5257. * status register. Link down indication is high-active-signal,
  5258. * so in this case we need to write the status to clear the XOR
  5259. */
  5260. /* Read Latched signals */
  5261. latch_status = REG_RD(bp,
  5262. NIG_REG_LATCH_STATUS_0 + port*8);
  5263. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5264. /* Handle only those with latched-signal=up.*/
  5265. if (exp_mi_int)
  5266. bnx2x_bits_en(bp,
  5267. NIG_REG_STATUS_INTERRUPT_PORT0
  5268. + port*4,
  5269. NIG_STATUS_EMAC0_MI_INT);
  5270. else
  5271. bnx2x_bits_dis(bp,
  5272. NIG_REG_STATUS_INTERRUPT_PORT0
  5273. + port*4,
  5274. NIG_STATUS_EMAC0_MI_INT);
  5275. if (latch_status & 1) {
  5276. /* For all latched-signal=up : Re-Arm Latch signals */
  5277. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5278. (latch_status & 0xfffe) | (latch_status & 1));
  5279. }
  5280. /* For all latched-signal=up,Write original_signal to status */
  5281. }
  5282. static void bnx2x_link_int_ack(struct link_params *params,
  5283. struct link_vars *vars, u8 is_10g_plus)
  5284. {
  5285. struct bnx2x *bp = params->bp;
  5286. u8 port = params->port;
  5287. u32 mask;
  5288. /* First reset all status we assume only one line will be
  5289. * change at a time
  5290. */
  5291. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5292. (NIG_STATUS_XGXS0_LINK10G |
  5293. NIG_STATUS_XGXS0_LINK_STATUS |
  5294. NIG_STATUS_SERDES0_LINK_STATUS));
  5295. if (vars->phy_link_up) {
  5296. if (USES_WARPCORE(bp))
  5297. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5298. else {
  5299. if (is_10g_plus)
  5300. mask = NIG_STATUS_XGXS0_LINK10G;
  5301. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5302. /* Disable the link interrupt by writing 1 to
  5303. * the relevant lane in the status register
  5304. */
  5305. u32 ser_lane =
  5306. ((params->lane_config &
  5307. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5308. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5309. mask = ((1 << ser_lane) <<
  5310. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5311. } else
  5312. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5313. }
  5314. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5315. mask);
  5316. bnx2x_bits_en(bp,
  5317. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5318. mask);
  5319. }
  5320. }
  5321. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5322. {
  5323. u8 *str_ptr = str;
  5324. u32 mask = 0xf0000000;
  5325. u8 shift = 8*4;
  5326. u8 digit;
  5327. u8 remove_leading_zeros = 1;
  5328. if (*len < 10) {
  5329. /* Need more than 10chars for this format */
  5330. *str_ptr = '\0';
  5331. (*len)--;
  5332. return -EINVAL;
  5333. }
  5334. while (shift > 0) {
  5335. shift -= 4;
  5336. digit = ((num & mask) >> shift);
  5337. if (digit == 0 && remove_leading_zeros) {
  5338. mask = mask >> 4;
  5339. continue;
  5340. } else if (digit < 0xa)
  5341. *str_ptr = digit + '0';
  5342. else
  5343. *str_ptr = digit - 0xa + 'a';
  5344. remove_leading_zeros = 0;
  5345. str_ptr++;
  5346. (*len)--;
  5347. mask = mask >> 4;
  5348. if (shift == 4*4) {
  5349. *str_ptr = '.';
  5350. str_ptr++;
  5351. (*len)--;
  5352. remove_leading_zeros = 1;
  5353. }
  5354. }
  5355. return 0;
  5356. }
  5357. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5358. {
  5359. str[0] = '\0';
  5360. (*len)--;
  5361. return 0;
  5362. }
  5363. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5364. u16 len)
  5365. {
  5366. struct bnx2x *bp;
  5367. u32 spirom_ver = 0;
  5368. int status = 0;
  5369. u8 *ver_p = version;
  5370. u16 remain_len = len;
  5371. if (version == NULL || params == NULL)
  5372. return -EINVAL;
  5373. bp = params->bp;
  5374. /* Extract first external phy*/
  5375. version[0] = '\0';
  5376. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5377. if (params->phy[EXT_PHY1].format_fw_ver) {
  5378. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5379. ver_p,
  5380. &remain_len);
  5381. ver_p += (len - remain_len);
  5382. }
  5383. if ((params->num_phys == MAX_PHYS) &&
  5384. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5385. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5386. if (params->phy[EXT_PHY2].format_fw_ver) {
  5387. *ver_p = '/';
  5388. ver_p++;
  5389. remain_len--;
  5390. status |= params->phy[EXT_PHY2].format_fw_ver(
  5391. spirom_ver,
  5392. ver_p,
  5393. &remain_len);
  5394. ver_p = version + (len - remain_len);
  5395. }
  5396. }
  5397. *ver_p = '\0';
  5398. return status;
  5399. }
  5400. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5401. struct link_params *params)
  5402. {
  5403. u8 port = params->port;
  5404. struct bnx2x *bp = params->bp;
  5405. if (phy->req_line_speed != SPEED_1000) {
  5406. u32 md_devad = 0;
  5407. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5408. if (!CHIP_IS_E3(bp)) {
  5409. /* Change the uni_phy_addr in the nig */
  5410. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5411. port*0x18));
  5412. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5413. 0x5);
  5414. }
  5415. bnx2x_cl45_write(bp, phy,
  5416. 5,
  5417. (MDIO_REG_BANK_AER_BLOCK +
  5418. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5419. 0x2800);
  5420. bnx2x_cl45_write(bp, phy,
  5421. 5,
  5422. (MDIO_REG_BANK_CL73_IEEEB0 +
  5423. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5424. 0x6041);
  5425. msleep(200);
  5426. /* Set aer mmd back */
  5427. bnx2x_set_aer_mmd(params, phy);
  5428. if (!CHIP_IS_E3(bp)) {
  5429. /* And md_devad */
  5430. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5431. md_devad);
  5432. }
  5433. } else {
  5434. u16 mii_ctrl;
  5435. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5436. bnx2x_cl45_read(bp, phy, 5,
  5437. (MDIO_REG_BANK_COMBO_IEEE0 +
  5438. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5439. &mii_ctrl);
  5440. bnx2x_cl45_write(bp, phy, 5,
  5441. (MDIO_REG_BANK_COMBO_IEEE0 +
  5442. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5443. mii_ctrl |
  5444. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5445. }
  5446. }
  5447. int bnx2x_set_led(struct link_params *params,
  5448. struct link_vars *vars, u8 mode, u32 speed)
  5449. {
  5450. u8 port = params->port;
  5451. u16 hw_led_mode = params->hw_led_mode;
  5452. int rc = 0;
  5453. u8 phy_idx;
  5454. u32 tmp;
  5455. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5456. struct bnx2x *bp = params->bp;
  5457. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5458. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5459. speed, hw_led_mode);
  5460. /* In case */
  5461. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5462. if (params->phy[phy_idx].set_link_led) {
  5463. params->phy[phy_idx].set_link_led(
  5464. &params->phy[phy_idx], params, mode);
  5465. }
  5466. }
  5467. switch (mode) {
  5468. case LED_MODE_FRONT_PANEL_OFF:
  5469. case LED_MODE_OFF:
  5470. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5471. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5472. SHARED_HW_CFG_LED_MAC1);
  5473. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5474. if (params->phy[EXT_PHY1].type ==
  5475. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5476. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5477. EMAC_LED_100MB_OVERRIDE |
  5478. EMAC_LED_10MB_OVERRIDE);
  5479. else
  5480. tmp |= EMAC_LED_OVERRIDE;
  5481. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5482. break;
  5483. case LED_MODE_OPER:
  5484. /* For all other phys, OPER mode is same as ON, so in case
  5485. * link is down, do nothing
  5486. */
  5487. if (!vars->link_up)
  5488. break;
  5489. case LED_MODE_ON:
  5490. if (((params->phy[EXT_PHY1].type ==
  5491. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5492. (params->phy[EXT_PHY1].type ==
  5493. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5494. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5495. /* This is a work-around for E2+8727 Configurations */
  5496. if (mode == LED_MODE_ON ||
  5497. speed == SPEED_10000){
  5498. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5499. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5500. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5501. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5502. (tmp | EMAC_LED_OVERRIDE));
  5503. /* Return here without enabling traffic
  5504. * LED blink and setting rate in ON mode.
  5505. * In oper mode, enabling LED blink
  5506. * and setting rate is needed.
  5507. */
  5508. if (mode == LED_MODE_ON)
  5509. return rc;
  5510. }
  5511. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5512. /* This is a work-around for HW issue found when link
  5513. * is up in CL73
  5514. */
  5515. if ((!CHIP_IS_E3(bp)) ||
  5516. (CHIP_IS_E3(bp) &&
  5517. mode == LED_MODE_ON))
  5518. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5519. if (CHIP_IS_E1x(bp) ||
  5520. CHIP_IS_E2(bp) ||
  5521. (mode == LED_MODE_ON))
  5522. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5523. else
  5524. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5525. hw_led_mode);
  5526. } else if ((params->phy[EXT_PHY1].type ==
  5527. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5528. (mode == LED_MODE_ON)) {
  5529. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5530. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5531. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5532. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5533. /* Break here; otherwise, it'll disable the
  5534. * intended override.
  5535. */
  5536. break;
  5537. } else
  5538. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5539. hw_led_mode);
  5540. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5541. /* Set blinking rate to ~15.9Hz */
  5542. if (CHIP_IS_E3(bp))
  5543. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5544. LED_BLINK_RATE_VAL_E3);
  5545. else
  5546. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5547. LED_BLINK_RATE_VAL_E1X_E2);
  5548. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5549. port*4, 1);
  5550. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5551. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5552. (tmp & (~EMAC_LED_OVERRIDE)));
  5553. if (CHIP_IS_E1(bp) &&
  5554. ((speed == SPEED_2500) ||
  5555. (speed == SPEED_1000) ||
  5556. (speed == SPEED_100) ||
  5557. (speed == SPEED_10))) {
  5558. /* For speeds less than 10G LED scheme is different */
  5559. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5560. + port*4, 1);
  5561. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5562. port*4, 0);
  5563. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5564. port*4, 1);
  5565. }
  5566. break;
  5567. default:
  5568. rc = -EINVAL;
  5569. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5570. mode);
  5571. break;
  5572. }
  5573. return rc;
  5574. }
  5575. /* This function comes to reflect the actual link state read DIRECTLY from the
  5576. * HW
  5577. */
  5578. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5579. u8 is_serdes)
  5580. {
  5581. struct bnx2x *bp = params->bp;
  5582. u16 gp_status = 0, phy_index = 0;
  5583. u8 ext_phy_link_up = 0, serdes_phy_type;
  5584. struct link_vars temp_vars;
  5585. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5586. if (CHIP_IS_E3(bp)) {
  5587. u16 link_up;
  5588. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5589. > SPEED_10000) {
  5590. /* Check 20G link */
  5591. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5592. 1, &link_up);
  5593. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5594. 1, &link_up);
  5595. link_up &= (1<<2);
  5596. } else {
  5597. /* Check 10G link and below*/
  5598. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5599. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5600. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5601. &gp_status);
  5602. gp_status = ((gp_status >> 8) & 0xf) |
  5603. ((gp_status >> 12) & 0xf);
  5604. link_up = gp_status & (1 << lane);
  5605. }
  5606. if (!link_up)
  5607. return -ESRCH;
  5608. } else {
  5609. CL22_RD_OVER_CL45(bp, int_phy,
  5610. MDIO_REG_BANK_GP_STATUS,
  5611. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5612. &gp_status);
  5613. /* Link is up only if both local phy and external phy are up */
  5614. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5615. return -ESRCH;
  5616. }
  5617. /* In XGXS loopback mode, do not check external PHY */
  5618. if (params->loopback_mode == LOOPBACK_XGXS)
  5619. return 0;
  5620. switch (params->num_phys) {
  5621. case 1:
  5622. /* No external PHY */
  5623. return 0;
  5624. case 2:
  5625. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5626. &params->phy[EXT_PHY1],
  5627. params, &temp_vars);
  5628. break;
  5629. case 3: /* Dual Media */
  5630. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5631. phy_index++) {
  5632. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5633. ETH_PHY_SFPP_10G_FIBER) ||
  5634. (params->phy[phy_index].media_type ==
  5635. ETH_PHY_SFP_1G_FIBER) ||
  5636. (params->phy[phy_index].media_type ==
  5637. ETH_PHY_XFP_FIBER) ||
  5638. (params->phy[phy_index].media_type ==
  5639. ETH_PHY_DA_TWINAX));
  5640. if (is_serdes != serdes_phy_type)
  5641. continue;
  5642. if (params->phy[phy_index].read_status) {
  5643. ext_phy_link_up |=
  5644. params->phy[phy_index].read_status(
  5645. &params->phy[phy_index],
  5646. params, &temp_vars);
  5647. }
  5648. }
  5649. break;
  5650. }
  5651. if (ext_phy_link_up)
  5652. return 0;
  5653. return -ESRCH;
  5654. }
  5655. static int bnx2x_link_initialize(struct link_params *params,
  5656. struct link_vars *vars)
  5657. {
  5658. int rc = 0;
  5659. u8 phy_index, non_ext_phy;
  5660. struct bnx2x *bp = params->bp;
  5661. /* In case of external phy existence, the line speed would be the
  5662. * line speed linked up by the external phy. In case it is direct
  5663. * only, then the line_speed during initialization will be
  5664. * equal to the req_line_speed
  5665. */
  5666. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5667. /* Initialize the internal phy in case this is a direct board
  5668. * (no external phys), or this board has external phy which requires
  5669. * to first.
  5670. */
  5671. if (!USES_WARPCORE(bp))
  5672. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5673. /* init ext phy and enable link state int */
  5674. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5675. (params->loopback_mode == LOOPBACK_XGXS));
  5676. if (non_ext_phy ||
  5677. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5678. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5679. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5680. if (vars->line_speed == SPEED_AUTO_NEG &&
  5681. (CHIP_IS_E1x(bp) ||
  5682. CHIP_IS_E2(bp)))
  5683. bnx2x_set_parallel_detection(phy, params);
  5684. if (params->phy[INT_PHY].config_init)
  5685. params->phy[INT_PHY].config_init(phy, params, vars);
  5686. }
  5687. /* Init external phy*/
  5688. if (non_ext_phy) {
  5689. if (params->phy[INT_PHY].supported &
  5690. SUPPORTED_FIBRE)
  5691. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5692. } else {
  5693. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5694. phy_index++) {
  5695. /* No need to initialize second phy in case of first
  5696. * phy only selection. In case of second phy, we do
  5697. * need to initialize the first phy, since they are
  5698. * connected.
  5699. */
  5700. if (params->phy[phy_index].supported &
  5701. SUPPORTED_FIBRE)
  5702. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5703. if (phy_index == EXT_PHY2 &&
  5704. (bnx2x_phy_selection(params) ==
  5705. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5706. DP(NETIF_MSG_LINK,
  5707. "Not initializing second phy\n");
  5708. continue;
  5709. }
  5710. params->phy[phy_index].config_init(
  5711. &params->phy[phy_index],
  5712. params, vars);
  5713. }
  5714. }
  5715. /* Reset the interrupt indication after phy was initialized */
  5716. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5717. params->port*4,
  5718. (NIG_STATUS_XGXS0_LINK10G |
  5719. NIG_STATUS_XGXS0_LINK_STATUS |
  5720. NIG_STATUS_SERDES0_LINK_STATUS |
  5721. NIG_MASK_MI_INT));
  5722. return rc;
  5723. }
  5724. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5725. struct link_params *params)
  5726. {
  5727. /* Reset the SerDes/XGXS */
  5728. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5729. (0x1ff << (params->port*16)));
  5730. }
  5731. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5732. struct link_params *params)
  5733. {
  5734. struct bnx2x *bp = params->bp;
  5735. u8 gpio_port;
  5736. /* HW reset */
  5737. if (CHIP_IS_E2(bp))
  5738. gpio_port = BP_PATH(bp);
  5739. else
  5740. gpio_port = params->port;
  5741. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5742. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5743. gpio_port);
  5744. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5745. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5746. gpio_port);
  5747. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5748. }
  5749. static int bnx2x_update_link_down(struct link_params *params,
  5750. struct link_vars *vars)
  5751. {
  5752. struct bnx2x *bp = params->bp;
  5753. u8 port = params->port;
  5754. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5755. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5756. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5757. /* Indicate no mac active */
  5758. vars->mac_type = MAC_TYPE_NONE;
  5759. /* Update shared memory */
  5760. vars->link_status &= ~LINK_UPDATE_MASK;
  5761. vars->line_speed = 0;
  5762. bnx2x_update_mng(params, vars->link_status);
  5763. /* Activate nig drain */
  5764. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5765. /* Disable emac */
  5766. if (!CHIP_IS_E3(bp))
  5767. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5768. usleep_range(10000, 20000);
  5769. /* Reset BigMac/Xmac */
  5770. if (CHIP_IS_E1x(bp) ||
  5771. CHIP_IS_E2(bp))
  5772. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5773. if (CHIP_IS_E3(bp)) {
  5774. /* Prevent LPI Generation by chip */
  5775. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5776. 0);
  5777. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5778. 0);
  5779. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5780. SHMEM_EEE_ACTIVE_BIT);
  5781. bnx2x_update_mng_eee(params, vars->eee_status);
  5782. bnx2x_set_xmac_rxtx(params, 0);
  5783. bnx2x_set_umac_rxtx(params, 0);
  5784. }
  5785. return 0;
  5786. }
  5787. static int bnx2x_update_link_up(struct link_params *params,
  5788. struct link_vars *vars,
  5789. u8 link_10g)
  5790. {
  5791. struct bnx2x *bp = params->bp;
  5792. u8 phy_idx, port = params->port;
  5793. int rc = 0;
  5794. vars->link_status |= (LINK_STATUS_LINK_UP |
  5795. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5796. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5797. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5798. vars->link_status |=
  5799. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5800. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5801. vars->link_status |=
  5802. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5803. if (USES_WARPCORE(bp)) {
  5804. if (link_10g) {
  5805. if (bnx2x_xmac_enable(params, vars, 0) ==
  5806. -ESRCH) {
  5807. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5808. vars->link_up = 0;
  5809. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5810. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5811. }
  5812. } else
  5813. bnx2x_umac_enable(params, vars, 0);
  5814. bnx2x_set_led(params, vars,
  5815. LED_MODE_OPER, vars->line_speed);
  5816. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5817. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5818. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5819. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5820. (params->port << 2), 1);
  5821. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5822. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5823. (params->port << 2), 0xfc20);
  5824. }
  5825. }
  5826. if ((CHIP_IS_E1x(bp) ||
  5827. CHIP_IS_E2(bp))) {
  5828. if (link_10g) {
  5829. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5830. -ESRCH) {
  5831. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5832. vars->link_up = 0;
  5833. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5834. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5835. }
  5836. bnx2x_set_led(params, vars,
  5837. LED_MODE_OPER, SPEED_10000);
  5838. } else {
  5839. rc = bnx2x_emac_program(params, vars);
  5840. bnx2x_emac_enable(params, vars, 0);
  5841. /* AN complete? */
  5842. if ((vars->link_status &
  5843. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5844. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5845. SINGLE_MEDIA_DIRECT(params))
  5846. bnx2x_set_gmii_tx_driver(params);
  5847. }
  5848. }
  5849. /* PBF - link up */
  5850. if (CHIP_IS_E1x(bp))
  5851. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5852. vars->line_speed);
  5853. /* Disable drain */
  5854. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5855. /* Update shared memory */
  5856. bnx2x_update_mng(params, vars->link_status);
  5857. bnx2x_update_mng_eee(params, vars->eee_status);
  5858. /* Check remote fault */
  5859. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5860. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5861. bnx2x_check_half_open_conn(params, vars, 0);
  5862. break;
  5863. }
  5864. }
  5865. msleep(20);
  5866. return rc;
  5867. }
  5868. /* The bnx2x_link_update function should be called upon link
  5869. * interrupt.
  5870. * Link is considered up as follows:
  5871. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5872. * to be up
  5873. * - SINGLE_MEDIA - The link between the 577xx and the external
  5874. * phy (XGXS) need to up as well as the external link of the
  5875. * phy (PHY_EXT1)
  5876. * - DUAL_MEDIA - The link between the 577xx and the first
  5877. * external phy needs to be up, and at least one of the 2
  5878. * external phy link must be up.
  5879. */
  5880. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5881. {
  5882. struct bnx2x *bp = params->bp;
  5883. struct link_vars phy_vars[MAX_PHYS];
  5884. u8 port = params->port;
  5885. u8 link_10g_plus, phy_index;
  5886. u8 ext_phy_link_up = 0, cur_link_up;
  5887. int rc = 0;
  5888. u8 is_mi_int = 0;
  5889. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5890. u8 active_external_phy = INT_PHY;
  5891. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5892. vars->link_status &= ~LINK_UPDATE_MASK;
  5893. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5894. phy_index++) {
  5895. phy_vars[phy_index].flow_ctrl = 0;
  5896. phy_vars[phy_index].link_status = 0;
  5897. phy_vars[phy_index].line_speed = 0;
  5898. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5899. phy_vars[phy_index].phy_link_up = 0;
  5900. phy_vars[phy_index].link_up = 0;
  5901. phy_vars[phy_index].fault_detected = 0;
  5902. /* different consideration, since vars holds inner state */
  5903. phy_vars[phy_index].eee_status = vars->eee_status;
  5904. }
  5905. if (USES_WARPCORE(bp))
  5906. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5907. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5908. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5909. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5910. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5911. port*0x18) > 0);
  5912. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5913. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5914. is_mi_int,
  5915. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5916. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5917. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5918. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5919. /* Disable emac */
  5920. if (!CHIP_IS_E3(bp))
  5921. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5922. /* Step 1:
  5923. * Check external link change only for external phys, and apply
  5924. * priority selection between them in case the link on both phys
  5925. * is up. Note that instead of the common vars, a temporary
  5926. * vars argument is used since each phy may have different link/
  5927. * speed/duplex result
  5928. */
  5929. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5930. phy_index++) {
  5931. struct bnx2x_phy *phy = &params->phy[phy_index];
  5932. if (!phy->read_status)
  5933. continue;
  5934. /* Read link status and params of this ext phy */
  5935. cur_link_up = phy->read_status(phy, params,
  5936. &phy_vars[phy_index]);
  5937. if (cur_link_up) {
  5938. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5939. phy_index);
  5940. } else {
  5941. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5942. phy_index);
  5943. continue;
  5944. }
  5945. if (!ext_phy_link_up) {
  5946. ext_phy_link_up = 1;
  5947. active_external_phy = phy_index;
  5948. } else {
  5949. switch (bnx2x_phy_selection(params)) {
  5950. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5951. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5952. /* In this option, the first PHY makes sure to pass the
  5953. * traffic through itself only.
  5954. * Its not clear how to reset the link on the second phy
  5955. */
  5956. active_external_phy = EXT_PHY1;
  5957. break;
  5958. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5959. /* In this option, the first PHY makes sure to pass the
  5960. * traffic through the second PHY.
  5961. */
  5962. active_external_phy = EXT_PHY2;
  5963. break;
  5964. default:
  5965. /* Link indication on both PHYs with the following cases
  5966. * is invalid:
  5967. * - FIRST_PHY means that second phy wasn't initialized,
  5968. * hence its link is expected to be down
  5969. * - SECOND_PHY means that first phy should not be able
  5970. * to link up by itself (using configuration)
  5971. * - DEFAULT should be overriden during initialiazation
  5972. */
  5973. DP(NETIF_MSG_LINK, "Invalid link indication"
  5974. "mpc=0x%x. DISABLING LINK !!!\n",
  5975. params->multi_phy_config);
  5976. ext_phy_link_up = 0;
  5977. break;
  5978. }
  5979. }
  5980. }
  5981. prev_line_speed = vars->line_speed;
  5982. /* Step 2:
  5983. * Read the status of the internal phy. In case of
  5984. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5985. * otherwise this is the link between the 577xx and the first
  5986. * external phy
  5987. */
  5988. if (params->phy[INT_PHY].read_status)
  5989. params->phy[INT_PHY].read_status(
  5990. &params->phy[INT_PHY],
  5991. params, vars);
  5992. /* The INT_PHY flow control reside in the vars. This include the
  5993. * case where the speed or flow control are not set to AUTO.
  5994. * Otherwise, the active external phy flow control result is set
  5995. * to the vars. The ext_phy_line_speed is needed to check if the
  5996. * speed is different between the internal phy and external phy.
  5997. * This case may be result of intermediate link speed change.
  5998. */
  5999. if (active_external_phy > INT_PHY) {
  6000. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6001. /* Link speed is taken from the XGXS. AN and FC result from
  6002. * the external phy.
  6003. */
  6004. vars->link_status |= phy_vars[active_external_phy].link_status;
  6005. /* if active_external_phy is first PHY and link is up - disable
  6006. * disable TX on second external PHY
  6007. */
  6008. if (active_external_phy == EXT_PHY1) {
  6009. if (params->phy[EXT_PHY2].phy_specific_func) {
  6010. DP(NETIF_MSG_LINK,
  6011. "Disabling TX on EXT_PHY2\n");
  6012. params->phy[EXT_PHY2].phy_specific_func(
  6013. &params->phy[EXT_PHY2],
  6014. params, DISABLE_TX);
  6015. }
  6016. }
  6017. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6018. vars->duplex = phy_vars[active_external_phy].duplex;
  6019. if (params->phy[active_external_phy].supported &
  6020. SUPPORTED_FIBRE)
  6021. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6022. else
  6023. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6024. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6025. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6026. active_external_phy);
  6027. }
  6028. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6029. phy_index++) {
  6030. if (params->phy[phy_index].flags &
  6031. FLAGS_REARM_LATCH_SIGNAL) {
  6032. bnx2x_rearm_latch_signal(bp, port,
  6033. phy_index ==
  6034. active_external_phy);
  6035. break;
  6036. }
  6037. }
  6038. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6039. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6040. vars->link_status, ext_phy_line_speed);
  6041. /* Upon link speed change set the NIG into drain mode. Comes to
  6042. * deals with possible FIFO glitch due to clk change when speed
  6043. * is decreased without link down indicator
  6044. */
  6045. if (vars->phy_link_up) {
  6046. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6047. (ext_phy_line_speed != vars->line_speed)) {
  6048. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6049. " different than the external"
  6050. " link speed %d\n", vars->line_speed,
  6051. ext_phy_line_speed);
  6052. vars->phy_link_up = 0;
  6053. } else if (prev_line_speed != vars->line_speed) {
  6054. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6055. 0);
  6056. usleep_range(1000, 2000);
  6057. }
  6058. }
  6059. /* Anything 10 and over uses the bmac */
  6060. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6061. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6062. /* In case external phy link is up, and internal link is down
  6063. * (not initialized yet probably after link initialization, it
  6064. * needs to be initialized.
  6065. * Note that after link down-up as result of cable plug, the xgxs
  6066. * link would probably become up again without the need
  6067. * initialize it
  6068. */
  6069. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6070. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6071. " init_preceding = %d\n", ext_phy_link_up,
  6072. vars->phy_link_up,
  6073. params->phy[EXT_PHY1].flags &
  6074. FLAGS_INIT_XGXS_FIRST);
  6075. if (!(params->phy[EXT_PHY1].flags &
  6076. FLAGS_INIT_XGXS_FIRST)
  6077. && ext_phy_link_up && !vars->phy_link_up) {
  6078. vars->line_speed = ext_phy_line_speed;
  6079. if (vars->line_speed < SPEED_1000)
  6080. vars->phy_flags |= PHY_SGMII_FLAG;
  6081. else
  6082. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6083. if (params->phy[INT_PHY].config_init)
  6084. params->phy[INT_PHY].config_init(
  6085. &params->phy[INT_PHY], params,
  6086. vars);
  6087. }
  6088. }
  6089. /* Link is up only if both local phy and external phy (in case of
  6090. * non-direct board) are up and no fault detected on active PHY.
  6091. */
  6092. vars->link_up = (vars->phy_link_up &&
  6093. (ext_phy_link_up ||
  6094. SINGLE_MEDIA_DIRECT(params)) &&
  6095. (phy_vars[active_external_phy].fault_detected == 0));
  6096. /* Update the PFC configuration in case it was changed */
  6097. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6098. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6099. else
  6100. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6101. if (vars->link_up)
  6102. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6103. else
  6104. rc = bnx2x_update_link_down(params, vars);
  6105. /* Update MCP link status was changed */
  6106. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6107. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6108. return rc;
  6109. }
  6110. /*****************************************************************************/
  6111. /* External Phy section */
  6112. /*****************************************************************************/
  6113. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6114. {
  6115. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6116. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6117. usleep_range(1000, 2000);
  6118. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6119. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6120. }
  6121. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6122. u32 spirom_ver, u32 ver_addr)
  6123. {
  6124. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6125. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6126. if (ver_addr)
  6127. REG_WR(bp, ver_addr, spirom_ver);
  6128. }
  6129. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6130. struct bnx2x_phy *phy,
  6131. u8 port)
  6132. {
  6133. u16 fw_ver1, fw_ver2;
  6134. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6135. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6136. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6137. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6138. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6139. phy->ver_addr);
  6140. }
  6141. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6142. struct bnx2x_phy *phy,
  6143. struct link_vars *vars)
  6144. {
  6145. u16 val;
  6146. bnx2x_cl45_read(bp, phy,
  6147. MDIO_AN_DEVAD,
  6148. MDIO_AN_REG_STATUS, &val);
  6149. bnx2x_cl45_read(bp, phy,
  6150. MDIO_AN_DEVAD,
  6151. MDIO_AN_REG_STATUS, &val);
  6152. if (val & (1<<5))
  6153. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6154. if ((val & (1<<0)) == 0)
  6155. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6156. }
  6157. /******************************************************************/
  6158. /* common BCM8073/BCM8727 PHY SECTION */
  6159. /******************************************************************/
  6160. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6161. struct link_params *params,
  6162. struct link_vars *vars)
  6163. {
  6164. struct bnx2x *bp = params->bp;
  6165. if (phy->req_line_speed == SPEED_10 ||
  6166. phy->req_line_speed == SPEED_100) {
  6167. vars->flow_ctrl = phy->req_flow_ctrl;
  6168. return;
  6169. }
  6170. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6171. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6172. u16 pause_result;
  6173. u16 ld_pause; /* local */
  6174. u16 lp_pause; /* link partner */
  6175. bnx2x_cl45_read(bp, phy,
  6176. MDIO_AN_DEVAD,
  6177. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6178. bnx2x_cl45_read(bp, phy,
  6179. MDIO_AN_DEVAD,
  6180. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6181. pause_result = (ld_pause &
  6182. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6183. pause_result |= (lp_pause &
  6184. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6185. bnx2x_pause_resolve(vars, pause_result);
  6186. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6187. pause_result);
  6188. }
  6189. }
  6190. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6191. struct bnx2x_phy *phy,
  6192. u8 port)
  6193. {
  6194. u32 count = 0;
  6195. u16 fw_ver1, fw_msgout;
  6196. int rc = 0;
  6197. /* Boot port from external ROM */
  6198. /* EDC grst */
  6199. bnx2x_cl45_write(bp, phy,
  6200. MDIO_PMA_DEVAD,
  6201. MDIO_PMA_REG_GEN_CTRL,
  6202. 0x0001);
  6203. /* Ucode reboot and rst */
  6204. bnx2x_cl45_write(bp, phy,
  6205. MDIO_PMA_DEVAD,
  6206. MDIO_PMA_REG_GEN_CTRL,
  6207. 0x008c);
  6208. bnx2x_cl45_write(bp, phy,
  6209. MDIO_PMA_DEVAD,
  6210. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6211. /* Reset internal microprocessor */
  6212. bnx2x_cl45_write(bp, phy,
  6213. MDIO_PMA_DEVAD,
  6214. MDIO_PMA_REG_GEN_CTRL,
  6215. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6216. /* Release srst bit */
  6217. bnx2x_cl45_write(bp, phy,
  6218. MDIO_PMA_DEVAD,
  6219. MDIO_PMA_REG_GEN_CTRL,
  6220. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6221. /* Delay 100ms per the PHY specifications */
  6222. msleep(100);
  6223. /* 8073 sometimes taking longer to download */
  6224. do {
  6225. count++;
  6226. if (count > 300) {
  6227. DP(NETIF_MSG_LINK,
  6228. "bnx2x_8073_8727_external_rom_boot port %x:"
  6229. "Download failed. fw version = 0x%x\n",
  6230. port, fw_ver1);
  6231. rc = -EINVAL;
  6232. break;
  6233. }
  6234. bnx2x_cl45_read(bp, phy,
  6235. MDIO_PMA_DEVAD,
  6236. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6237. bnx2x_cl45_read(bp, phy,
  6238. MDIO_PMA_DEVAD,
  6239. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6240. usleep_range(1000, 2000);
  6241. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6242. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6243. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6244. /* Clear ser_boot_ctl bit */
  6245. bnx2x_cl45_write(bp, phy,
  6246. MDIO_PMA_DEVAD,
  6247. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6248. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6249. DP(NETIF_MSG_LINK,
  6250. "bnx2x_8073_8727_external_rom_boot port %x:"
  6251. "Download complete. fw version = 0x%x\n",
  6252. port, fw_ver1);
  6253. return rc;
  6254. }
  6255. /******************************************************************/
  6256. /* BCM8073 PHY SECTION */
  6257. /******************************************************************/
  6258. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6259. {
  6260. /* This is only required for 8073A1, version 102 only */
  6261. u16 val;
  6262. /* Read 8073 HW revision*/
  6263. bnx2x_cl45_read(bp, phy,
  6264. MDIO_PMA_DEVAD,
  6265. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6266. if (val != 1) {
  6267. /* No need to workaround in 8073 A1 */
  6268. return 0;
  6269. }
  6270. bnx2x_cl45_read(bp, phy,
  6271. MDIO_PMA_DEVAD,
  6272. MDIO_PMA_REG_ROM_VER2, &val);
  6273. /* SNR should be applied only for version 0x102 */
  6274. if (val != 0x102)
  6275. return 0;
  6276. return 1;
  6277. }
  6278. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6279. {
  6280. u16 val, cnt, cnt1 ;
  6281. bnx2x_cl45_read(bp, phy,
  6282. MDIO_PMA_DEVAD,
  6283. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6284. if (val > 0) {
  6285. /* No need to workaround in 8073 A1 */
  6286. return 0;
  6287. }
  6288. /* XAUI workaround in 8073 A0: */
  6289. /* After loading the boot ROM and restarting Autoneg, poll
  6290. * Dev1, Reg $C820:
  6291. */
  6292. for (cnt = 0; cnt < 1000; cnt++) {
  6293. bnx2x_cl45_read(bp, phy,
  6294. MDIO_PMA_DEVAD,
  6295. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6296. &val);
  6297. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6298. * system initialization (XAUI work-around not required, as
  6299. * these bits indicate 2.5G or 1G link up).
  6300. */
  6301. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6302. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6303. return 0;
  6304. } else if (!(val & (1<<15))) {
  6305. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6306. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6307. * MSB (bit15) goes to 1 (indicating that the XAUI
  6308. * workaround has completed), then continue on with
  6309. * system initialization.
  6310. */
  6311. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6312. bnx2x_cl45_read(bp, phy,
  6313. MDIO_PMA_DEVAD,
  6314. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6315. if (val & (1<<15)) {
  6316. DP(NETIF_MSG_LINK,
  6317. "XAUI workaround has completed\n");
  6318. return 0;
  6319. }
  6320. usleep_range(3000, 6000);
  6321. }
  6322. break;
  6323. }
  6324. usleep_range(3000, 6000);
  6325. }
  6326. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6327. return -EINVAL;
  6328. }
  6329. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6330. {
  6331. /* Force KR or KX */
  6332. bnx2x_cl45_write(bp, phy,
  6333. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6334. bnx2x_cl45_write(bp, phy,
  6335. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6336. bnx2x_cl45_write(bp, phy,
  6337. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6338. bnx2x_cl45_write(bp, phy,
  6339. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6340. }
  6341. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6342. struct bnx2x_phy *phy,
  6343. struct link_vars *vars)
  6344. {
  6345. u16 cl37_val;
  6346. struct bnx2x *bp = params->bp;
  6347. bnx2x_cl45_read(bp, phy,
  6348. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6349. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6350. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6351. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6352. if ((vars->ieee_fc &
  6353. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6354. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6355. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6356. }
  6357. if ((vars->ieee_fc &
  6358. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6359. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6360. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6361. }
  6362. if ((vars->ieee_fc &
  6363. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6364. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6365. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6366. }
  6367. DP(NETIF_MSG_LINK,
  6368. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6369. bnx2x_cl45_write(bp, phy,
  6370. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6371. msleep(500);
  6372. }
  6373. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6374. struct link_params *params,
  6375. u32 action)
  6376. {
  6377. struct bnx2x *bp = params->bp;
  6378. switch (action) {
  6379. case PHY_INIT:
  6380. /* Enable LASI */
  6381. bnx2x_cl45_write(bp, phy,
  6382. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6383. bnx2x_cl45_write(bp, phy,
  6384. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6385. break;
  6386. }
  6387. }
  6388. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6389. struct link_params *params,
  6390. struct link_vars *vars)
  6391. {
  6392. struct bnx2x *bp = params->bp;
  6393. u16 val = 0, tmp1;
  6394. u8 gpio_port;
  6395. DP(NETIF_MSG_LINK, "Init 8073\n");
  6396. if (CHIP_IS_E2(bp))
  6397. gpio_port = BP_PATH(bp);
  6398. else
  6399. gpio_port = params->port;
  6400. /* Restore normal power mode*/
  6401. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6402. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6403. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6404. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6405. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6406. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6407. bnx2x_cl45_read(bp, phy,
  6408. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6409. bnx2x_cl45_read(bp, phy,
  6410. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6411. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6412. /* Swap polarity if required - Must be done only in non-1G mode */
  6413. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6414. /* Configure the 8073 to swap _P and _N of the KR lines */
  6415. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6416. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6417. bnx2x_cl45_read(bp, phy,
  6418. MDIO_PMA_DEVAD,
  6419. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6420. bnx2x_cl45_write(bp, phy,
  6421. MDIO_PMA_DEVAD,
  6422. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6423. (val | (3<<9)));
  6424. }
  6425. /* Enable CL37 BAM */
  6426. if (REG_RD(bp, params->shmem_base +
  6427. offsetof(struct shmem_region, dev_info.
  6428. port_hw_config[params->port].default_cfg)) &
  6429. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6430. bnx2x_cl45_read(bp, phy,
  6431. MDIO_AN_DEVAD,
  6432. MDIO_AN_REG_8073_BAM, &val);
  6433. bnx2x_cl45_write(bp, phy,
  6434. MDIO_AN_DEVAD,
  6435. MDIO_AN_REG_8073_BAM, val | 1);
  6436. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6437. }
  6438. if (params->loopback_mode == LOOPBACK_EXT) {
  6439. bnx2x_807x_force_10G(bp, phy);
  6440. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6441. return 0;
  6442. } else {
  6443. bnx2x_cl45_write(bp, phy,
  6444. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6445. }
  6446. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6447. if (phy->req_line_speed == SPEED_10000) {
  6448. val = (1<<7);
  6449. } else if (phy->req_line_speed == SPEED_2500) {
  6450. val = (1<<5);
  6451. /* Note that 2.5G works only when used with 1G
  6452. * advertisement
  6453. */
  6454. } else
  6455. val = (1<<5);
  6456. } else {
  6457. val = 0;
  6458. if (phy->speed_cap_mask &
  6459. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6460. val |= (1<<7);
  6461. /* Note that 2.5G works only when used with 1G advertisement */
  6462. if (phy->speed_cap_mask &
  6463. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6464. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6465. val |= (1<<5);
  6466. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6467. }
  6468. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6469. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6470. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6471. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6472. (phy->req_line_speed == SPEED_2500)) {
  6473. u16 phy_ver;
  6474. /* Allow 2.5G for A1 and above */
  6475. bnx2x_cl45_read(bp, phy,
  6476. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6477. &phy_ver);
  6478. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6479. if (phy_ver > 0)
  6480. tmp1 |= 1;
  6481. else
  6482. tmp1 &= 0xfffe;
  6483. } else {
  6484. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6485. tmp1 &= 0xfffe;
  6486. }
  6487. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6488. /* Add support for CL37 (passive mode) II */
  6489. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6490. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6491. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6492. 0x20 : 0x40)));
  6493. /* Add support for CL37 (passive mode) III */
  6494. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6495. /* The SNR will improve about 2db by changing BW and FEE main
  6496. * tap. Rest commands are executed after link is up
  6497. * Change FFE main cursor to 5 in EDC register
  6498. */
  6499. if (bnx2x_8073_is_snr_needed(bp, phy))
  6500. bnx2x_cl45_write(bp, phy,
  6501. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6502. 0xFB0C);
  6503. /* Enable FEC (Forware Error Correction) Request in the AN */
  6504. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6505. tmp1 |= (1<<15);
  6506. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6507. bnx2x_ext_phy_set_pause(params, phy, vars);
  6508. /* Restart autoneg */
  6509. msleep(500);
  6510. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6511. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6512. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6513. return 0;
  6514. }
  6515. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6516. struct link_params *params,
  6517. struct link_vars *vars)
  6518. {
  6519. struct bnx2x *bp = params->bp;
  6520. u8 link_up = 0;
  6521. u16 val1, val2;
  6522. u16 link_status = 0;
  6523. u16 an1000_status = 0;
  6524. bnx2x_cl45_read(bp, phy,
  6525. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6526. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6527. /* Clear the interrupt LASI status register */
  6528. bnx2x_cl45_read(bp, phy,
  6529. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6530. bnx2x_cl45_read(bp, phy,
  6531. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6532. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6533. /* Clear MSG-OUT */
  6534. bnx2x_cl45_read(bp, phy,
  6535. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6536. /* Check the LASI */
  6537. bnx2x_cl45_read(bp, phy,
  6538. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6539. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6540. /* Check the link status */
  6541. bnx2x_cl45_read(bp, phy,
  6542. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6543. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6544. bnx2x_cl45_read(bp, phy,
  6545. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6546. bnx2x_cl45_read(bp, phy,
  6547. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6548. link_up = ((val1 & 4) == 4);
  6549. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6550. if (link_up &&
  6551. ((phy->req_line_speed != SPEED_10000))) {
  6552. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6553. return 0;
  6554. }
  6555. bnx2x_cl45_read(bp, phy,
  6556. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6557. bnx2x_cl45_read(bp, phy,
  6558. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6559. /* Check the link status on 1.1.2 */
  6560. bnx2x_cl45_read(bp, phy,
  6561. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6562. bnx2x_cl45_read(bp, phy,
  6563. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6564. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6565. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6566. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6567. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6568. /* The SNR will improve about 2dbby changing the BW and FEE main
  6569. * tap. The 1st write to change FFE main tap is set before
  6570. * restart AN. Change PLL Bandwidth in EDC register
  6571. */
  6572. bnx2x_cl45_write(bp, phy,
  6573. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6574. 0x26BC);
  6575. /* Change CDR Bandwidth in EDC register */
  6576. bnx2x_cl45_write(bp, phy,
  6577. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6578. 0x0333);
  6579. }
  6580. bnx2x_cl45_read(bp, phy,
  6581. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6582. &link_status);
  6583. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6584. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6585. link_up = 1;
  6586. vars->line_speed = SPEED_10000;
  6587. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6588. params->port);
  6589. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6590. link_up = 1;
  6591. vars->line_speed = SPEED_2500;
  6592. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6593. params->port);
  6594. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6595. link_up = 1;
  6596. vars->line_speed = SPEED_1000;
  6597. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6598. params->port);
  6599. } else {
  6600. link_up = 0;
  6601. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6602. params->port);
  6603. }
  6604. if (link_up) {
  6605. /* Swap polarity if required */
  6606. if (params->lane_config &
  6607. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6608. /* Configure the 8073 to swap P and N of the KR lines */
  6609. bnx2x_cl45_read(bp, phy,
  6610. MDIO_XS_DEVAD,
  6611. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6612. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6613. * when it`s in 10G mode.
  6614. */
  6615. if (vars->line_speed == SPEED_1000) {
  6616. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6617. "the 8073\n");
  6618. val1 |= (1<<3);
  6619. } else
  6620. val1 &= ~(1<<3);
  6621. bnx2x_cl45_write(bp, phy,
  6622. MDIO_XS_DEVAD,
  6623. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6624. val1);
  6625. }
  6626. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6627. bnx2x_8073_resolve_fc(phy, params, vars);
  6628. vars->duplex = DUPLEX_FULL;
  6629. }
  6630. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6631. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6632. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6633. if (val1 & (1<<5))
  6634. vars->link_status |=
  6635. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6636. if (val1 & (1<<7))
  6637. vars->link_status |=
  6638. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6639. }
  6640. return link_up;
  6641. }
  6642. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6643. struct link_params *params)
  6644. {
  6645. struct bnx2x *bp = params->bp;
  6646. u8 gpio_port;
  6647. if (CHIP_IS_E2(bp))
  6648. gpio_port = BP_PATH(bp);
  6649. else
  6650. gpio_port = params->port;
  6651. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6652. gpio_port);
  6653. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6654. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6655. gpio_port);
  6656. }
  6657. /******************************************************************/
  6658. /* BCM8705 PHY SECTION */
  6659. /******************************************************************/
  6660. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6661. struct link_params *params,
  6662. struct link_vars *vars)
  6663. {
  6664. struct bnx2x *bp = params->bp;
  6665. DP(NETIF_MSG_LINK, "init 8705\n");
  6666. /* Restore normal power mode*/
  6667. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6668. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6669. /* HW reset */
  6670. bnx2x_ext_phy_hw_reset(bp, params->port);
  6671. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6672. bnx2x_wait_reset_complete(bp, phy, params);
  6673. bnx2x_cl45_write(bp, phy,
  6674. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6675. bnx2x_cl45_write(bp, phy,
  6676. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6677. bnx2x_cl45_write(bp, phy,
  6678. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6679. bnx2x_cl45_write(bp, phy,
  6680. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6681. /* BCM8705 doesn't have microcode, hence the 0 */
  6682. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6683. return 0;
  6684. }
  6685. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6686. struct link_params *params,
  6687. struct link_vars *vars)
  6688. {
  6689. u8 link_up = 0;
  6690. u16 val1, rx_sd;
  6691. struct bnx2x *bp = params->bp;
  6692. DP(NETIF_MSG_LINK, "read status 8705\n");
  6693. bnx2x_cl45_read(bp, phy,
  6694. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6695. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6696. bnx2x_cl45_read(bp, phy,
  6697. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6698. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6699. bnx2x_cl45_read(bp, phy,
  6700. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6701. bnx2x_cl45_read(bp, phy,
  6702. MDIO_PMA_DEVAD, 0xc809, &val1);
  6703. bnx2x_cl45_read(bp, phy,
  6704. MDIO_PMA_DEVAD, 0xc809, &val1);
  6705. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6706. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6707. if (link_up) {
  6708. vars->line_speed = SPEED_10000;
  6709. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6710. }
  6711. return link_up;
  6712. }
  6713. /******************************************************************/
  6714. /* SFP+ module Section */
  6715. /******************************************************************/
  6716. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6717. struct bnx2x_phy *phy,
  6718. u8 pmd_dis)
  6719. {
  6720. struct bnx2x *bp = params->bp;
  6721. /* Disable transmitter only for bootcodes which can enable it afterwards
  6722. * (for D3 link)
  6723. */
  6724. if (pmd_dis) {
  6725. if (params->feature_config_flags &
  6726. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6727. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6728. else {
  6729. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6730. return;
  6731. }
  6732. } else
  6733. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6734. bnx2x_cl45_write(bp, phy,
  6735. MDIO_PMA_DEVAD,
  6736. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6737. }
  6738. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6739. {
  6740. u8 gpio_port;
  6741. u32 swap_val, swap_override;
  6742. struct bnx2x *bp = params->bp;
  6743. if (CHIP_IS_E2(bp))
  6744. gpio_port = BP_PATH(bp);
  6745. else
  6746. gpio_port = params->port;
  6747. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6748. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6749. return gpio_port ^ (swap_val && swap_override);
  6750. }
  6751. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6752. struct bnx2x_phy *phy,
  6753. u8 tx_en)
  6754. {
  6755. u16 val;
  6756. u8 port = params->port;
  6757. struct bnx2x *bp = params->bp;
  6758. u32 tx_en_mode;
  6759. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6760. tx_en_mode = REG_RD(bp, params->shmem_base +
  6761. offsetof(struct shmem_region,
  6762. dev_info.port_hw_config[port].sfp_ctrl)) &
  6763. PORT_HW_CFG_TX_LASER_MASK;
  6764. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6765. "mode = %x\n", tx_en, port, tx_en_mode);
  6766. switch (tx_en_mode) {
  6767. case PORT_HW_CFG_TX_LASER_MDIO:
  6768. bnx2x_cl45_read(bp, phy,
  6769. MDIO_PMA_DEVAD,
  6770. MDIO_PMA_REG_PHY_IDENTIFIER,
  6771. &val);
  6772. if (tx_en)
  6773. val &= ~(1<<15);
  6774. else
  6775. val |= (1<<15);
  6776. bnx2x_cl45_write(bp, phy,
  6777. MDIO_PMA_DEVAD,
  6778. MDIO_PMA_REG_PHY_IDENTIFIER,
  6779. val);
  6780. break;
  6781. case PORT_HW_CFG_TX_LASER_GPIO0:
  6782. case PORT_HW_CFG_TX_LASER_GPIO1:
  6783. case PORT_HW_CFG_TX_LASER_GPIO2:
  6784. case PORT_HW_CFG_TX_LASER_GPIO3:
  6785. {
  6786. u16 gpio_pin;
  6787. u8 gpio_port, gpio_mode;
  6788. if (tx_en)
  6789. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6790. else
  6791. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6792. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6793. gpio_port = bnx2x_get_gpio_port(params);
  6794. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6795. break;
  6796. }
  6797. default:
  6798. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6799. break;
  6800. }
  6801. }
  6802. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6803. struct bnx2x_phy *phy,
  6804. u8 tx_en)
  6805. {
  6806. struct bnx2x *bp = params->bp;
  6807. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6808. if (CHIP_IS_E3(bp))
  6809. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6810. else
  6811. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6812. }
  6813. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6814. struct link_params *params,
  6815. u8 dev_addr, u16 addr, u8 byte_cnt,
  6816. u8 *o_buf, u8 is_init)
  6817. {
  6818. struct bnx2x *bp = params->bp;
  6819. u16 val = 0;
  6820. u16 i;
  6821. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6822. DP(NETIF_MSG_LINK,
  6823. "Reading from eeprom is limited to 0xf\n");
  6824. return -EINVAL;
  6825. }
  6826. /* Set the read command byte count */
  6827. bnx2x_cl45_write(bp, phy,
  6828. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6829. (byte_cnt | (dev_addr << 8)));
  6830. /* Set the read command address */
  6831. bnx2x_cl45_write(bp, phy,
  6832. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6833. addr);
  6834. /* Activate read command */
  6835. bnx2x_cl45_write(bp, phy,
  6836. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6837. 0x2c0f);
  6838. /* Wait up to 500us for command complete status */
  6839. for (i = 0; i < 100; i++) {
  6840. bnx2x_cl45_read(bp, phy,
  6841. MDIO_PMA_DEVAD,
  6842. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6843. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6844. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6845. break;
  6846. udelay(5);
  6847. }
  6848. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6849. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6850. DP(NETIF_MSG_LINK,
  6851. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6852. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6853. return -EINVAL;
  6854. }
  6855. /* Read the buffer */
  6856. for (i = 0; i < byte_cnt; i++) {
  6857. bnx2x_cl45_read(bp, phy,
  6858. MDIO_PMA_DEVAD,
  6859. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6860. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6861. }
  6862. for (i = 0; i < 100; i++) {
  6863. bnx2x_cl45_read(bp, phy,
  6864. MDIO_PMA_DEVAD,
  6865. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6866. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6867. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6868. return 0;
  6869. usleep_range(1000, 2000);
  6870. }
  6871. return -EINVAL;
  6872. }
  6873. static void bnx2x_warpcore_power_module(struct link_params *params,
  6874. u8 power)
  6875. {
  6876. u32 pin_cfg;
  6877. struct bnx2x *bp = params->bp;
  6878. pin_cfg = (REG_RD(bp, params->shmem_base +
  6879. offsetof(struct shmem_region,
  6880. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6881. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6882. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6883. if (pin_cfg == PIN_CFG_NA)
  6884. return;
  6885. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6886. power, pin_cfg);
  6887. /* Low ==> corresponding SFP+ module is powered
  6888. * high ==> the SFP+ module is powered down
  6889. */
  6890. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6891. }
  6892. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6893. struct link_params *params,
  6894. u8 dev_addr,
  6895. u16 addr, u8 byte_cnt,
  6896. u8 *o_buf, u8 is_init)
  6897. {
  6898. int rc = 0;
  6899. u8 i, j = 0, cnt = 0;
  6900. u32 data_array[4];
  6901. u16 addr32;
  6902. struct bnx2x *bp = params->bp;
  6903. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6904. DP(NETIF_MSG_LINK,
  6905. "Reading from eeprom is limited to 16 bytes\n");
  6906. return -EINVAL;
  6907. }
  6908. /* 4 byte aligned address */
  6909. addr32 = addr & (~0x3);
  6910. do {
  6911. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6912. bnx2x_warpcore_power_module(params, 0);
  6913. /* Note that 100us are not enough here */
  6914. usleep_range(1000, 2000);
  6915. bnx2x_warpcore_power_module(params, 1);
  6916. }
  6917. rc = bnx2x_bsc_read(params, phy, dev_addr, addr32, 0, byte_cnt,
  6918. data_array);
  6919. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6920. if (rc == 0) {
  6921. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6922. o_buf[j] = *((u8 *)data_array + i);
  6923. j++;
  6924. }
  6925. }
  6926. return rc;
  6927. }
  6928. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6929. struct link_params *params,
  6930. u8 dev_addr, u16 addr, u8 byte_cnt,
  6931. u8 *o_buf, u8 is_init)
  6932. {
  6933. struct bnx2x *bp = params->bp;
  6934. u16 val, i;
  6935. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6936. DP(NETIF_MSG_LINK,
  6937. "Reading from eeprom is limited to 0xf\n");
  6938. return -EINVAL;
  6939. }
  6940. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6941. * to 100Khz since some DACs(direct attached cables) do
  6942. * not work at 400Khz.
  6943. */
  6944. bnx2x_cl45_write(bp, phy,
  6945. MDIO_PMA_DEVAD,
  6946. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6947. ((dev_addr << 8) | 1));
  6948. /* Need to read from 1.8000 to clear it */
  6949. bnx2x_cl45_read(bp, phy,
  6950. MDIO_PMA_DEVAD,
  6951. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6952. &val);
  6953. /* Set the read command byte count */
  6954. bnx2x_cl45_write(bp, phy,
  6955. MDIO_PMA_DEVAD,
  6956. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6957. ((byte_cnt < 2) ? 2 : byte_cnt));
  6958. /* Set the read command address */
  6959. bnx2x_cl45_write(bp, phy,
  6960. MDIO_PMA_DEVAD,
  6961. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6962. addr);
  6963. /* Set the destination address */
  6964. bnx2x_cl45_write(bp, phy,
  6965. MDIO_PMA_DEVAD,
  6966. 0x8004,
  6967. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6968. /* Activate read command */
  6969. bnx2x_cl45_write(bp, phy,
  6970. MDIO_PMA_DEVAD,
  6971. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6972. 0x8002);
  6973. /* Wait appropriate time for two-wire command to finish before
  6974. * polling the status register
  6975. */
  6976. usleep_range(1000, 2000);
  6977. /* Wait up to 500us for command complete status */
  6978. for (i = 0; i < 100; i++) {
  6979. bnx2x_cl45_read(bp, phy,
  6980. MDIO_PMA_DEVAD,
  6981. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6982. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6983. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6984. break;
  6985. udelay(5);
  6986. }
  6987. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6988. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6989. DP(NETIF_MSG_LINK,
  6990. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6991. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6992. return -EFAULT;
  6993. }
  6994. /* Read the buffer */
  6995. for (i = 0; i < byte_cnt; i++) {
  6996. bnx2x_cl45_read(bp, phy,
  6997. MDIO_PMA_DEVAD,
  6998. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6999. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7000. }
  7001. for (i = 0; i < 100; i++) {
  7002. bnx2x_cl45_read(bp, phy,
  7003. MDIO_PMA_DEVAD,
  7004. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7005. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7006. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7007. return 0;
  7008. usleep_range(1000, 2000);
  7009. }
  7010. return -EINVAL;
  7011. }
  7012. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7013. struct link_params *params, u8 dev_addr,
  7014. u16 addr, u16 byte_cnt, u8 *o_buf)
  7015. {
  7016. int rc = 0;
  7017. struct bnx2x *bp = params->bp;
  7018. u8 xfer_size;
  7019. u8 *user_data = o_buf;
  7020. read_sfp_module_eeprom_func_p read_func;
  7021. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7022. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7023. return -EINVAL;
  7024. }
  7025. switch (phy->type) {
  7026. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7027. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7028. break;
  7029. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7030. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7031. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7032. break;
  7033. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7034. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7035. break;
  7036. default:
  7037. return -EOPNOTSUPP;
  7038. }
  7039. while (!rc && (byte_cnt > 0)) {
  7040. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7041. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7042. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7043. user_data, 0);
  7044. byte_cnt -= xfer_size;
  7045. user_data += xfer_size;
  7046. addr += xfer_size;
  7047. }
  7048. return rc;
  7049. }
  7050. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7051. struct link_params *params,
  7052. u16 *edc_mode)
  7053. {
  7054. struct bnx2x *bp = params->bp;
  7055. u32 sync_offset = 0, phy_idx, media_types;
  7056. u8 gport, val[2], check_limiting_mode = 0;
  7057. *edc_mode = EDC_MODE_LIMITING;
  7058. phy->media_type = ETH_PHY_UNSPECIFIED;
  7059. /* First check for copper cable */
  7060. if (bnx2x_read_sfp_module_eeprom(phy,
  7061. params,
  7062. I2C_DEV_ADDR_A0,
  7063. SFP_EEPROM_CON_TYPE_ADDR,
  7064. 2,
  7065. (u8 *)val) != 0) {
  7066. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7067. return -EINVAL;
  7068. }
  7069. switch (val[0]) {
  7070. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7071. {
  7072. u8 copper_module_type;
  7073. phy->media_type = ETH_PHY_DA_TWINAX;
  7074. /* Check if its active cable (includes SFP+ module)
  7075. * of passive cable
  7076. */
  7077. if (bnx2x_read_sfp_module_eeprom(phy,
  7078. params,
  7079. I2C_DEV_ADDR_A0,
  7080. SFP_EEPROM_FC_TX_TECH_ADDR,
  7081. 1,
  7082. &copper_module_type) != 0) {
  7083. DP(NETIF_MSG_LINK,
  7084. "Failed to read copper-cable-type"
  7085. " from SFP+ EEPROM\n");
  7086. return -EINVAL;
  7087. }
  7088. if (copper_module_type &
  7089. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7090. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7091. check_limiting_mode = 1;
  7092. } else if (copper_module_type &
  7093. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7094. DP(NETIF_MSG_LINK,
  7095. "Passive Copper cable detected\n");
  7096. *edc_mode =
  7097. EDC_MODE_PASSIVE_DAC;
  7098. } else {
  7099. DP(NETIF_MSG_LINK,
  7100. "Unknown copper-cable-type 0x%x !!!\n",
  7101. copper_module_type);
  7102. return -EINVAL;
  7103. }
  7104. break;
  7105. }
  7106. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7107. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7108. check_limiting_mode = 1;
  7109. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7110. SFP_EEPROM_COMP_CODE_LR_MASK |
  7111. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7112. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7113. gport = params->port;
  7114. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7115. if (phy->req_line_speed != SPEED_1000) {
  7116. phy->req_line_speed = SPEED_1000;
  7117. if (!CHIP_IS_E1x(bp)) {
  7118. gport = BP_PATH(bp) +
  7119. (params->port << 1);
  7120. }
  7121. netdev_err(bp->dev,
  7122. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7123. gport);
  7124. }
  7125. } else {
  7126. int idx, cfg_idx = 0;
  7127. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7128. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7129. if (params->phy[idx].type == phy->type) {
  7130. cfg_idx = LINK_CONFIG_IDX(idx);
  7131. break;
  7132. }
  7133. }
  7134. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7135. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7136. }
  7137. break;
  7138. default:
  7139. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7140. val[0]);
  7141. return -EINVAL;
  7142. }
  7143. sync_offset = params->shmem_base +
  7144. offsetof(struct shmem_region,
  7145. dev_info.port_hw_config[params->port].media_type);
  7146. media_types = REG_RD(bp, sync_offset);
  7147. /* Update media type for non-PMF sync */
  7148. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7149. if (&(params->phy[phy_idx]) == phy) {
  7150. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7151. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7152. media_types |= ((phy->media_type &
  7153. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7154. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7155. break;
  7156. }
  7157. }
  7158. REG_WR(bp, sync_offset, media_types);
  7159. if (check_limiting_mode) {
  7160. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7161. if (bnx2x_read_sfp_module_eeprom(phy,
  7162. params,
  7163. I2C_DEV_ADDR_A0,
  7164. SFP_EEPROM_OPTIONS_ADDR,
  7165. SFP_EEPROM_OPTIONS_SIZE,
  7166. options) != 0) {
  7167. DP(NETIF_MSG_LINK,
  7168. "Failed to read Option field from module EEPROM\n");
  7169. return -EINVAL;
  7170. }
  7171. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7172. *edc_mode = EDC_MODE_LINEAR;
  7173. else
  7174. *edc_mode = EDC_MODE_LIMITING;
  7175. }
  7176. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7177. return 0;
  7178. }
  7179. /* This function read the relevant field from the module (SFP+), and verify it
  7180. * is compliant with this board
  7181. */
  7182. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7183. struct link_params *params)
  7184. {
  7185. struct bnx2x *bp = params->bp;
  7186. u32 val, cmd;
  7187. u32 fw_resp, fw_cmd_param;
  7188. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7189. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7190. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7191. val = REG_RD(bp, params->shmem_base +
  7192. offsetof(struct shmem_region, dev_info.
  7193. port_feature_config[params->port].config));
  7194. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7195. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7196. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7197. return 0;
  7198. }
  7199. if (params->feature_config_flags &
  7200. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7201. /* Use specific phy request */
  7202. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7203. } else if (params->feature_config_flags &
  7204. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7205. /* Use first phy request only in case of non-dual media*/
  7206. if (DUAL_MEDIA(params)) {
  7207. DP(NETIF_MSG_LINK,
  7208. "FW does not support OPT MDL verification\n");
  7209. return -EINVAL;
  7210. }
  7211. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7212. } else {
  7213. /* No support in OPT MDL detection */
  7214. DP(NETIF_MSG_LINK,
  7215. "FW does not support OPT MDL verification\n");
  7216. return -EINVAL;
  7217. }
  7218. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7219. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7220. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7221. DP(NETIF_MSG_LINK, "Approved module\n");
  7222. return 0;
  7223. }
  7224. /* Format the warning message */
  7225. if (bnx2x_read_sfp_module_eeprom(phy,
  7226. params,
  7227. I2C_DEV_ADDR_A0,
  7228. SFP_EEPROM_VENDOR_NAME_ADDR,
  7229. SFP_EEPROM_VENDOR_NAME_SIZE,
  7230. (u8 *)vendor_name))
  7231. vendor_name[0] = '\0';
  7232. else
  7233. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7234. if (bnx2x_read_sfp_module_eeprom(phy,
  7235. params,
  7236. I2C_DEV_ADDR_A0,
  7237. SFP_EEPROM_PART_NO_ADDR,
  7238. SFP_EEPROM_PART_NO_SIZE,
  7239. (u8 *)vendor_pn))
  7240. vendor_pn[0] = '\0';
  7241. else
  7242. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7243. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7244. " Port %d from %s part number %s\n",
  7245. params->port, vendor_name, vendor_pn);
  7246. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7247. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7248. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7249. return -EINVAL;
  7250. }
  7251. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7252. struct link_params *params)
  7253. {
  7254. u8 val;
  7255. int rc;
  7256. struct bnx2x *bp = params->bp;
  7257. u16 timeout;
  7258. /* Initialization time after hot-plug may take up to 300ms for
  7259. * some phys type ( e.g. JDSU )
  7260. */
  7261. for (timeout = 0; timeout < 60; timeout++) {
  7262. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7263. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7264. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7265. 1);
  7266. else
  7267. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7268. I2C_DEV_ADDR_A0,
  7269. 1, 1, &val);
  7270. if (rc == 0) {
  7271. DP(NETIF_MSG_LINK,
  7272. "SFP+ module initialization took %d ms\n",
  7273. timeout * 5);
  7274. return 0;
  7275. }
  7276. usleep_range(5000, 10000);
  7277. }
  7278. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7279. 1, 1, &val);
  7280. return rc;
  7281. }
  7282. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7283. struct bnx2x_phy *phy,
  7284. u8 is_power_up) {
  7285. /* Make sure GPIOs are not using for LED mode */
  7286. u16 val;
  7287. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7288. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7289. * output
  7290. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7291. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7292. * where the 1st bit is the over-current(only input), and 2nd bit is
  7293. * for power( only output )
  7294. *
  7295. * In case of NOC feature is disabled and power is up, set GPIO control
  7296. * as input to enable listening of over-current indication
  7297. */
  7298. if (phy->flags & FLAGS_NOC)
  7299. return;
  7300. if (is_power_up)
  7301. val = (1<<4);
  7302. else
  7303. /* Set GPIO control to OUTPUT, and set the power bit
  7304. * to according to the is_power_up
  7305. */
  7306. val = (1<<1);
  7307. bnx2x_cl45_write(bp, phy,
  7308. MDIO_PMA_DEVAD,
  7309. MDIO_PMA_REG_8727_GPIO_CTRL,
  7310. val);
  7311. }
  7312. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7313. struct bnx2x_phy *phy,
  7314. u16 edc_mode)
  7315. {
  7316. u16 cur_limiting_mode;
  7317. bnx2x_cl45_read(bp, phy,
  7318. MDIO_PMA_DEVAD,
  7319. MDIO_PMA_REG_ROM_VER2,
  7320. &cur_limiting_mode);
  7321. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7322. cur_limiting_mode);
  7323. if (edc_mode == EDC_MODE_LIMITING) {
  7324. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7325. bnx2x_cl45_write(bp, phy,
  7326. MDIO_PMA_DEVAD,
  7327. MDIO_PMA_REG_ROM_VER2,
  7328. EDC_MODE_LIMITING);
  7329. } else { /* LRM mode ( default )*/
  7330. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7331. /* Changing to LRM mode takes quite few seconds. So do it only
  7332. * if current mode is limiting (default is LRM)
  7333. */
  7334. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7335. return 0;
  7336. bnx2x_cl45_write(bp, phy,
  7337. MDIO_PMA_DEVAD,
  7338. MDIO_PMA_REG_LRM_MODE,
  7339. 0);
  7340. bnx2x_cl45_write(bp, phy,
  7341. MDIO_PMA_DEVAD,
  7342. MDIO_PMA_REG_ROM_VER2,
  7343. 0x128);
  7344. bnx2x_cl45_write(bp, phy,
  7345. MDIO_PMA_DEVAD,
  7346. MDIO_PMA_REG_MISC_CTRL0,
  7347. 0x4008);
  7348. bnx2x_cl45_write(bp, phy,
  7349. MDIO_PMA_DEVAD,
  7350. MDIO_PMA_REG_LRM_MODE,
  7351. 0xaaaa);
  7352. }
  7353. return 0;
  7354. }
  7355. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7356. struct bnx2x_phy *phy,
  7357. u16 edc_mode)
  7358. {
  7359. u16 phy_identifier;
  7360. u16 rom_ver2_val;
  7361. bnx2x_cl45_read(bp, phy,
  7362. MDIO_PMA_DEVAD,
  7363. MDIO_PMA_REG_PHY_IDENTIFIER,
  7364. &phy_identifier);
  7365. bnx2x_cl45_write(bp, phy,
  7366. MDIO_PMA_DEVAD,
  7367. MDIO_PMA_REG_PHY_IDENTIFIER,
  7368. (phy_identifier & ~(1<<9)));
  7369. bnx2x_cl45_read(bp, phy,
  7370. MDIO_PMA_DEVAD,
  7371. MDIO_PMA_REG_ROM_VER2,
  7372. &rom_ver2_val);
  7373. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7374. bnx2x_cl45_write(bp, phy,
  7375. MDIO_PMA_DEVAD,
  7376. MDIO_PMA_REG_ROM_VER2,
  7377. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7378. bnx2x_cl45_write(bp, phy,
  7379. MDIO_PMA_DEVAD,
  7380. MDIO_PMA_REG_PHY_IDENTIFIER,
  7381. (phy_identifier | (1<<9)));
  7382. return 0;
  7383. }
  7384. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7385. struct link_params *params,
  7386. u32 action)
  7387. {
  7388. struct bnx2x *bp = params->bp;
  7389. u16 val;
  7390. switch (action) {
  7391. case DISABLE_TX:
  7392. bnx2x_sfp_set_transmitter(params, phy, 0);
  7393. break;
  7394. case ENABLE_TX:
  7395. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7396. bnx2x_sfp_set_transmitter(params, phy, 1);
  7397. break;
  7398. case PHY_INIT:
  7399. bnx2x_cl45_write(bp, phy,
  7400. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7401. (1<<2) | (1<<5));
  7402. bnx2x_cl45_write(bp, phy,
  7403. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7404. 0);
  7405. bnx2x_cl45_write(bp, phy,
  7406. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7407. /* Make MOD_ABS give interrupt on change */
  7408. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7409. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7410. &val);
  7411. val |= (1<<12);
  7412. if (phy->flags & FLAGS_NOC)
  7413. val |= (3<<5);
  7414. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7415. * status which reflect SFP+ module over-current
  7416. */
  7417. if (!(phy->flags & FLAGS_NOC))
  7418. val &= 0xff8f; /* Reset bits 4-6 */
  7419. bnx2x_cl45_write(bp, phy,
  7420. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7421. val);
  7422. break;
  7423. default:
  7424. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7425. action);
  7426. return;
  7427. }
  7428. }
  7429. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7430. u8 gpio_mode)
  7431. {
  7432. struct bnx2x *bp = params->bp;
  7433. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7434. offsetof(struct shmem_region,
  7435. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7436. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7437. switch (fault_led_gpio) {
  7438. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7439. return;
  7440. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7441. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7442. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7443. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7444. {
  7445. u8 gpio_port = bnx2x_get_gpio_port(params);
  7446. u16 gpio_pin = fault_led_gpio -
  7447. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7448. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7449. "pin %x port %x mode %x\n",
  7450. gpio_pin, gpio_port, gpio_mode);
  7451. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7452. }
  7453. break;
  7454. default:
  7455. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7456. fault_led_gpio);
  7457. }
  7458. }
  7459. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7460. u8 gpio_mode)
  7461. {
  7462. u32 pin_cfg;
  7463. u8 port = params->port;
  7464. struct bnx2x *bp = params->bp;
  7465. pin_cfg = (REG_RD(bp, params->shmem_base +
  7466. offsetof(struct shmem_region,
  7467. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7468. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7469. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7470. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7471. gpio_mode, pin_cfg);
  7472. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7473. }
  7474. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7475. u8 gpio_mode)
  7476. {
  7477. struct bnx2x *bp = params->bp;
  7478. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7479. if (CHIP_IS_E3(bp)) {
  7480. /* Low ==> if SFP+ module is supported otherwise
  7481. * High ==> if SFP+ module is not on the approved vendor list
  7482. */
  7483. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7484. } else
  7485. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7486. }
  7487. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7488. struct link_params *params)
  7489. {
  7490. struct bnx2x *bp = params->bp;
  7491. bnx2x_warpcore_power_module(params, 0);
  7492. /* Put Warpcore in low power mode */
  7493. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7494. /* Put LCPLL in low power mode */
  7495. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7496. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7497. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7498. }
  7499. static void bnx2x_power_sfp_module(struct link_params *params,
  7500. struct bnx2x_phy *phy,
  7501. u8 power)
  7502. {
  7503. struct bnx2x *bp = params->bp;
  7504. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7505. switch (phy->type) {
  7506. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7507. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7508. bnx2x_8727_power_module(params->bp, phy, power);
  7509. break;
  7510. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7511. bnx2x_warpcore_power_module(params, power);
  7512. break;
  7513. default:
  7514. break;
  7515. }
  7516. }
  7517. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7518. struct bnx2x_phy *phy,
  7519. u16 edc_mode)
  7520. {
  7521. u16 val = 0;
  7522. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7523. struct bnx2x *bp = params->bp;
  7524. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7525. /* This is a global register which controls all lanes */
  7526. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7527. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7528. val &= ~(0xf << (lane << 2));
  7529. switch (edc_mode) {
  7530. case EDC_MODE_LINEAR:
  7531. case EDC_MODE_LIMITING:
  7532. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7533. break;
  7534. case EDC_MODE_PASSIVE_DAC:
  7535. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7536. break;
  7537. default:
  7538. break;
  7539. }
  7540. val |= (mode << (lane << 2));
  7541. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7542. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7543. /* A must read */
  7544. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7545. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7546. /* Restart microcode to re-read the new mode */
  7547. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7548. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7549. }
  7550. static void bnx2x_set_limiting_mode(struct link_params *params,
  7551. struct bnx2x_phy *phy,
  7552. u16 edc_mode)
  7553. {
  7554. switch (phy->type) {
  7555. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7556. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7557. break;
  7558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7559. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7560. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7561. break;
  7562. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7563. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7564. break;
  7565. }
  7566. }
  7567. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7568. struct link_params *params)
  7569. {
  7570. struct bnx2x *bp = params->bp;
  7571. u16 edc_mode;
  7572. int rc = 0;
  7573. u32 val = REG_RD(bp, params->shmem_base +
  7574. offsetof(struct shmem_region, dev_info.
  7575. port_feature_config[params->port].config));
  7576. /* Enabled transmitter by default */
  7577. bnx2x_sfp_set_transmitter(params, phy, 1);
  7578. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7579. params->port);
  7580. /* Power up module */
  7581. bnx2x_power_sfp_module(params, phy, 1);
  7582. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7583. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7584. return -EINVAL;
  7585. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7586. /* Check SFP+ module compatibility */
  7587. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7588. rc = -EINVAL;
  7589. /* Turn on fault module-detected led */
  7590. bnx2x_set_sfp_module_fault_led(params,
  7591. MISC_REGISTERS_GPIO_HIGH);
  7592. /* Check if need to power down the SFP+ module */
  7593. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7594. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7595. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7596. bnx2x_power_sfp_module(params, phy, 0);
  7597. return rc;
  7598. }
  7599. } else {
  7600. /* Turn off fault module-detected led */
  7601. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7602. }
  7603. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7604. * is done automatically
  7605. */
  7606. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7607. /* Disable transmit for this module if the module is not approved, and
  7608. * laser needs to be disabled.
  7609. */
  7610. if ((rc) &&
  7611. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7612. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7613. bnx2x_sfp_set_transmitter(params, phy, 0);
  7614. return rc;
  7615. }
  7616. void bnx2x_handle_module_detect_int(struct link_params *params)
  7617. {
  7618. struct bnx2x *bp = params->bp;
  7619. struct bnx2x_phy *phy;
  7620. u32 gpio_val;
  7621. u8 gpio_num, gpio_port;
  7622. if (CHIP_IS_E3(bp)) {
  7623. phy = &params->phy[INT_PHY];
  7624. /* Always enable TX laser,will be disabled in case of fault */
  7625. bnx2x_sfp_set_transmitter(params, phy, 1);
  7626. } else {
  7627. phy = &params->phy[EXT_PHY1];
  7628. }
  7629. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7630. params->port, &gpio_num, &gpio_port) ==
  7631. -EINVAL) {
  7632. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7633. return;
  7634. }
  7635. /* Set valid module led off */
  7636. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7637. /* Get current gpio val reflecting module plugged in / out*/
  7638. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7639. /* Call the handling function in case module is detected */
  7640. if (gpio_val == 0) {
  7641. bnx2x_set_mdio_emac_per_phy(bp, params);
  7642. bnx2x_set_aer_mmd(params, phy);
  7643. bnx2x_power_sfp_module(params, phy, 1);
  7644. bnx2x_set_gpio_int(bp, gpio_num,
  7645. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7646. gpio_port);
  7647. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7648. bnx2x_sfp_module_detection(phy, params);
  7649. if (CHIP_IS_E3(bp)) {
  7650. u16 rx_tx_in_reset;
  7651. /* In case WC is out of reset, reconfigure the
  7652. * link speed while taking into account 1G
  7653. * module limitation.
  7654. */
  7655. bnx2x_cl45_read(bp, phy,
  7656. MDIO_WC_DEVAD,
  7657. MDIO_WC_REG_DIGITAL5_MISC6,
  7658. &rx_tx_in_reset);
  7659. if ((!rx_tx_in_reset) &&
  7660. (params->link_flags &
  7661. PHY_INITIALIZED)) {
  7662. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7663. bnx2x_warpcore_config_sfi(phy, params);
  7664. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7665. }
  7666. }
  7667. } else {
  7668. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7669. }
  7670. } else {
  7671. bnx2x_set_gpio_int(bp, gpio_num,
  7672. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7673. gpio_port);
  7674. /* Module was plugged out.
  7675. * Disable transmit for this module
  7676. */
  7677. phy->media_type = ETH_PHY_NOT_PRESENT;
  7678. }
  7679. }
  7680. /******************************************************************/
  7681. /* Used by 8706 and 8727 */
  7682. /******************************************************************/
  7683. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7684. struct bnx2x_phy *phy,
  7685. u16 alarm_status_offset,
  7686. u16 alarm_ctrl_offset)
  7687. {
  7688. u16 alarm_status, val;
  7689. bnx2x_cl45_read(bp, phy,
  7690. MDIO_PMA_DEVAD, alarm_status_offset,
  7691. &alarm_status);
  7692. bnx2x_cl45_read(bp, phy,
  7693. MDIO_PMA_DEVAD, alarm_status_offset,
  7694. &alarm_status);
  7695. /* Mask or enable the fault event. */
  7696. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7697. if (alarm_status & (1<<0))
  7698. val &= ~(1<<0);
  7699. else
  7700. val |= (1<<0);
  7701. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7702. }
  7703. /******************************************************************/
  7704. /* common BCM8706/BCM8726 PHY SECTION */
  7705. /******************************************************************/
  7706. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7707. struct link_params *params,
  7708. struct link_vars *vars)
  7709. {
  7710. u8 link_up = 0;
  7711. u16 val1, val2, rx_sd, pcs_status;
  7712. struct bnx2x *bp = params->bp;
  7713. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7714. /* Clear RX Alarm*/
  7715. bnx2x_cl45_read(bp, phy,
  7716. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7717. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7718. MDIO_PMA_LASI_TXCTRL);
  7719. /* Clear LASI indication*/
  7720. bnx2x_cl45_read(bp, phy,
  7721. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7722. bnx2x_cl45_read(bp, phy,
  7723. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7724. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7725. bnx2x_cl45_read(bp, phy,
  7726. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7727. bnx2x_cl45_read(bp, phy,
  7728. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7729. bnx2x_cl45_read(bp, phy,
  7730. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7731. bnx2x_cl45_read(bp, phy,
  7732. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7733. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7734. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7735. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7736. * are set, or if the autoneg bit 1 is set
  7737. */
  7738. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7739. if (link_up) {
  7740. if (val2 & (1<<1))
  7741. vars->line_speed = SPEED_1000;
  7742. else
  7743. vars->line_speed = SPEED_10000;
  7744. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7745. vars->duplex = DUPLEX_FULL;
  7746. }
  7747. /* Capture 10G link fault. Read twice to clear stale value. */
  7748. if (vars->line_speed == SPEED_10000) {
  7749. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7750. MDIO_PMA_LASI_TXSTAT, &val1);
  7751. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7752. MDIO_PMA_LASI_TXSTAT, &val1);
  7753. if (val1 & (1<<0))
  7754. vars->fault_detected = 1;
  7755. }
  7756. return link_up;
  7757. }
  7758. /******************************************************************/
  7759. /* BCM8706 PHY SECTION */
  7760. /******************************************************************/
  7761. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7762. struct link_params *params,
  7763. struct link_vars *vars)
  7764. {
  7765. u32 tx_en_mode;
  7766. u16 cnt, val, tmp1;
  7767. struct bnx2x *bp = params->bp;
  7768. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7769. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7770. /* HW reset */
  7771. bnx2x_ext_phy_hw_reset(bp, params->port);
  7772. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7773. bnx2x_wait_reset_complete(bp, phy, params);
  7774. /* Wait until fw is loaded */
  7775. for (cnt = 0; cnt < 100; cnt++) {
  7776. bnx2x_cl45_read(bp, phy,
  7777. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7778. if (val)
  7779. break;
  7780. usleep_range(10000, 20000);
  7781. }
  7782. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7783. if ((params->feature_config_flags &
  7784. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7785. u8 i;
  7786. u16 reg;
  7787. for (i = 0; i < 4; i++) {
  7788. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7789. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7790. MDIO_XS_8706_REG_BANK_RX0);
  7791. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7792. /* Clear first 3 bits of the control */
  7793. val &= ~0x7;
  7794. /* Set control bits according to configuration */
  7795. val |= (phy->rx_preemphasis[i] & 0x7);
  7796. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7797. " reg 0x%x <-- val 0x%x\n", reg, val);
  7798. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7799. }
  7800. }
  7801. /* Force speed */
  7802. if (phy->req_line_speed == SPEED_10000) {
  7803. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7804. bnx2x_cl45_write(bp, phy,
  7805. MDIO_PMA_DEVAD,
  7806. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7807. bnx2x_cl45_write(bp, phy,
  7808. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7809. 0);
  7810. /* Arm LASI for link and Tx fault. */
  7811. bnx2x_cl45_write(bp, phy,
  7812. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7813. } else {
  7814. /* Force 1Gbps using autoneg with 1G advertisement */
  7815. /* Allow CL37 through CL73 */
  7816. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7817. bnx2x_cl45_write(bp, phy,
  7818. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7819. /* Enable Full-Duplex advertisement on CL37 */
  7820. bnx2x_cl45_write(bp, phy,
  7821. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7822. /* Enable CL37 AN */
  7823. bnx2x_cl45_write(bp, phy,
  7824. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7825. /* 1G support */
  7826. bnx2x_cl45_write(bp, phy,
  7827. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7828. /* Enable clause 73 AN */
  7829. bnx2x_cl45_write(bp, phy,
  7830. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7831. bnx2x_cl45_write(bp, phy,
  7832. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7833. 0x0400);
  7834. bnx2x_cl45_write(bp, phy,
  7835. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7836. 0x0004);
  7837. }
  7838. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7839. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7840. * power mode, if TX Laser is disabled
  7841. */
  7842. tx_en_mode = REG_RD(bp, params->shmem_base +
  7843. offsetof(struct shmem_region,
  7844. dev_info.port_hw_config[params->port].sfp_ctrl))
  7845. & PORT_HW_CFG_TX_LASER_MASK;
  7846. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7847. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7848. bnx2x_cl45_read(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7850. tmp1 |= 0x1;
  7851. bnx2x_cl45_write(bp, phy,
  7852. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7853. }
  7854. return 0;
  7855. }
  7856. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7857. struct link_params *params,
  7858. struct link_vars *vars)
  7859. {
  7860. return bnx2x_8706_8726_read_status(phy, params, vars);
  7861. }
  7862. /******************************************************************/
  7863. /* BCM8726 PHY SECTION */
  7864. /******************************************************************/
  7865. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7866. struct link_params *params)
  7867. {
  7868. struct bnx2x *bp = params->bp;
  7869. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7870. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7871. }
  7872. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7873. struct link_params *params)
  7874. {
  7875. struct bnx2x *bp = params->bp;
  7876. /* Need to wait 100ms after reset */
  7877. msleep(100);
  7878. /* Micro controller re-boot */
  7879. bnx2x_cl45_write(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7881. /* Set soft reset */
  7882. bnx2x_cl45_write(bp, phy,
  7883. MDIO_PMA_DEVAD,
  7884. MDIO_PMA_REG_GEN_CTRL,
  7885. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7886. bnx2x_cl45_write(bp, phy,
  7887. MDIO_PMA_DEVAD,
  7888. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7889. bnx2x_cl45_write(bp, phy,
  7890. MDIO_PMA_DEVAD,
  7891. MDIO_PMA_REG_GEN_CTRL,
  7892. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7893. /* Wait for 150ms for microcode load */
  7894. msleep(150);
  7895. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_PMA_DEVAD,
  7898. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7899. msleep(200);
  7900. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7901. }
  7902. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7903. struct link_params *params,
  7904. struct link_vars *vars)
  7905. {
  7906. struct bnx2x *bp = params->bp;
  7907. u16 val1;
  7908. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7909. if (link_up) {
  7910. bnx2x_cl45_read(bp, phy,
  7911. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7912. &val1);
  7913. if (val1 & (1<<15)) {
  7914. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7915. link_up = 0;
  7916. vars->line_speed = 0;
  7917. }
  7918. }
  7919. return link_up;
  7920. }
  7921. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7922. struct link_params *params,
  7923. struct link_vars *vars)
  7924. {
  7925. struct bnx2x *bp = params->bp;
  7926. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7927. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7928. bnx2x_wait_reset_complete(bp, phy, params);
  7929. bnx2x_8726_external_rom_boot(phy, params);
  7930. /* Need to call module detected on initialization since the module
  7931. * detection triggered by actual module insertion might occur before
  7932. * driver is loaded, and when driver is loaded, it reset all
  7933. * registers, including the transmitter
  7934. */
  7935. bnx2x_sfp_module_detection(phy, params);
  7936. if (phy->req_line_speed == SPEED_1000) {
  7937. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7938. bnx2x_cl45_write(bp, phy,
  7939. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7940. bnx2x_cl45_write(bp, phy,
  7941. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7942. bnx2x_cl45_write(bp, phy,
  7943. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7944. bnx2x_cl45_write(bp, phy,
  7945. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7946. 0x400);
  7947. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7948. (phy->speed_cap_mask &
  7949. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7950. ((phy->speed_cap_mask &
  7951. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7952. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7953. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7954. /* Set Flow control */
  7955. bnx2x_ext_phy_set_pause(params, phy, vars);
  7956. bnx2x_cl45_write(bp, phy,
  7957. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7958. bnx2x_cl45_write(bp, phy,
  7959. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7960. bnx2x_cl45_write(bp, phy,
  7961. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7962. bnx2x_cl45_write(bp, phy,
  7963. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7964. bnx2x_cl45_write(bp, phy,
  7965. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7966. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7967. * change
  7968. */
  7969. bnx2x_cl45_write(bp, phy,
  7970. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7973. 0x400);
  7974. } else { /* Default 10G. Set only LASI control */
  7975. bnx2x_cl45_write(bp, phy,
  7976. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7977. }
  7978. /* Set TX PreEmphasis if needed */
  7979. if ((params->feature_config_flags &
  7980. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7981. DP(NETIF_MSG_LINK,
  7982. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7983. phy->tx_preemphasis[0],
  7984. phy->tx_preemphasis[1]);
  7985. bnx2x_cl45_write(bp, phy,
  7986. MDIO_PMA_DEVAD,
  7987. MDIO_PMA_REG_8726_TX_CTRL1,
  7988. phy->tx_preemphasis[0]);
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_PMA_DEVAD,
  7991. MDIO_PMA_REG_8726_TX_CTRL2,
  7992. phy->tx_preemphasis[1]);
  7993. }
  7994. return 0;
  7995. }
  7996. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7997. struct link_params *params)
  7998. {
  7999. struct bnx2x *bp = params->bp;
  8000. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8001. /* Set serial boot control for external load */
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_PMA_DEVAD,
  8004. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8005. }
  8006. /******************************************************************/
  8007. /* BCM8727 PHY SECTION */
  8008. /******************************************************************/
  8009. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8010. struct link_params *params, u8 mode)
  8011. {
  8012. struct bnx2x *bp = params->bp;
  8013. u16 led_mode_bitmask = 0;
  8014. u16 gpio_pins_bitmask = 0;
  8015. u16 val;
  8016. /* Only NOC flavor requires to set the LED specifically */
  8017. if (!(phy->flags & FLAGS_NOC))
  8018. return;
  8019. switch (mode) {
  8020. case LED_MODE_FRONT_PANEL_OFF:
  8021. case LED_MODE_OFF:
  8022. led_mode_bitmask = 0;
  8023. gpio_pins_bitmask = 0x03;
  8024. break;
  8025. case LED_MODE_ON:
  8026. led_mode_bitmask = 0;
  8027. gpio_pins_bitmask = 0x02;
  8028. break;
  8029. case LED_MODE_OPER:
  8030. led_mode_bitmask = 0x60;
  8031. gpio_pins_bitmask = 0x11;
  8032. break;
  8033. }
  8034. bnx2x_cl45_read(bp, phy,
  8035. MDIO_PMA_DEVAD,
  8036. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8037. &val);
  8038. val &= 0xff8f;
  8039. val |= led_mode_bitmask;
  8040. bnx2x_cl45_write(bp, phy,
  8041. MDIO_PMA_DEVAD,
  8042. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8043. val);
  8044. bnx2x_cl45_read(bp, phy,
  8045. MDIO_PMA_DEVAD,
  8046. MDIO_PMA_REG_8727_GPIO_CTRL,
  8047. &val);
  8048. val &= 0xffe0;
  8049. val |= gpio_pins_bitmask;
  8050. bnx2x_cl45_write(bp, phy,
  8051. MDIO_PMA_DEVAD,
  8052. MDIO_PMA_REG_8727_GPIO_CTRL,
  8053. val);
  8054. }
  8055. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8056. struct link_params *params) {
  8057. u32 swap_val, swap_override;
  8058. u8 port;
  8059. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8060. * to cancel the swap done in set_gpio()
  8061. */
  8062. struct bnx2x *bp = params->bp;
  8063. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8064. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8065. port = (swap_val && swap_override) ^ 1;
  8066. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8067. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8068. }
  8069. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8070. struct link_params *params)
  8071. {
  8072. struct bnx2x *bp = params->bp;
  8073. u16 tmp1, val;
  8074. /* Set option 1G speed */
  8075. if ((phy->req_line_speed == SPEED_1000) ||
  8076. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8077. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8078. bnx2x_cl45_write(bp, phy,
  8079. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8080. bnx2x_cl45_write(bp, phy,
  8081. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8082. bnx2x_cl45_read(bp, phy,
  8083. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8084. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8085. /* Power down the XAUI until link is up in case of dual-media
  8086. * and 1G
  8087. */
  8088. if (DUAL_MEDIA(params)) {
  8089. bnx2x_cl45_read(bp, phy,
  8090. MDIO_PMA_DEVAD,
  8091. MDIO_PMA_REG_8727_PCS_GP, &val);
  8092. val |= (3<<10);
  8093. bnx2x_cl45_write(bp, phy,
  8094. MDIO_PMA_DEVAD,
  8095. MDIO_PMA_REG_8727_PCS_GP, val);
  8096. }
  8097. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8098. ((phy->speed_cap_mask &
  8099. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8100. ((phy->speed_cap_mask &
  8101. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8102. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8103. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8104. bnx2x_cl45_write(bp, phy,
  8105. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8106. bnx2x_cl45_write(bp, phy,
  8107. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8108. } else {
  8109. /* Since the 8727 has only single reset pin, need to set the 10G
  8110. * registers although it is default
  8111. */
  8112. bnx2x_cl45_write(bp, phy,
  8113. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8114. 0x0020);
  8115. bnx2x_cl45_write(bp, phy,
  8116. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8117. bnx2x_cl45_write(bp, phy,
  8118. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8119. bnx2x_cl45_write(bp, phy,
  8120. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8121. 0x0008);
  8122. }
  8123. }
  8124. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8125. struct link_params *params,
  8126. struct link_vars *vars)
  8127. {
  8128. u32 tx_en_mode;
  8129. u16 tmp1, mod_abs, tmp2;
  8130. struct bnx2x *bp = params->bp;
  8131. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8132. bnx2x_wait_reset_complete(bp, phy, params);
  8133. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8134. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8135. /* Initially configure MOD_ABS to interrupt when module is
  8136. * presence( bit 8)
  8137. */
  8138. bnx2x_cl45_read(bp, phy,
  8139. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8140. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8141. * When the EDC is off it locks onto a reference clock and avoids
  8142. * becoming 'lost'
  8143. */
  8144. mod_abs &= ~(1<<8);
  8145. if (!(phy->flags & FLAGS_NOC))
  8146. mod_abs &= ~(1<<9);
  8147. bnx2x_cl45_write(bp, phy,
  8148. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8149. /* Enable/Disable PHY transmitter output */
  8150. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8151. bnx2x_8727_power_module(bp, phy, 1);
  8152. bnx2x_cl45_read(bp, phy,
  8153. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8154. bnx2x_cl45_read(bp, phy,
  8155. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8156. bnx2x_8727_config_speed(phy, params);
  8157. /* Set TX PreEmphasis if needed */
  8158. if ((params->feature_config_flags &
  8159. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8160. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8161. phy->tx_preemphasis[0],
  8162. phy->tx_preemphasis[1]);
  8163. bnx2x_cl45_write(bp, phy,
  8164. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8165. phy->tx_preemphasis[0]);
  8166. bnx2x_cl45_write(bp, phy,
  8167. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8168. phy->tx_preemphasis[1]);
  8169. }
  8170. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8171. * power mode, if TX Laser is disabled
  8172. */
  8173. tx_en_mode = REG_RD(bp, params->shmem_base +
  8174. offsetof(struct shmem_region,
  8175. dev_info.port_hw_config[params->port].sfp_ctrl))
  8176. & PORT_HW_CFG_TX_LASER_MASK;
  8177. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8178. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8179. bnx2x_cl45_read(bp, phy,
  8180. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8181. tmp2 |= 0x1000;
  8182. tmp2 &= 0xFFEF;
  8183. bnx2x_cl45_write(bp, phy,
  8184. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8185. bnx2x_cl45_read(bp, phy,
  8186. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8187. &tmp2);
  8188. bnx2x_cl45_write(bp, phy,
  8189. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8190. (tmp2 & 0x7fff));
  8191. }
  8192. return 0;
  8193. }
  8194. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8195. struct link_params *params)
  8196. {
  8197. struct bnx2x *bp = params->bp;
  8198. u16 mod_abs, rx_alarm_status;
  8199. u32 val = REG_RD(bp, params->shmem_base +
  8200. offsetof(struct shmem_region, dev_info.
  8201. port_feature_config[params->port].
  8202. config));
  8203. bnx2x_cl45_read(bp, phy,
  8204. MDIO_PMA_DEVAD,
  8205. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8206. if (mod_abs & (1<<8)) {
  8207. /* Module is absent */
  8208. DP(NETIF_MSG_LINK,
  8209. "MOD_ABS indication show module is absent\n");
  8210. phy->media_type = ETH_PHY_NOT_PRESENT;
  8211. /* 1. Set mod_abs to detect next module
  8212. * presence event
  8213. * 2. Set EDC off by setting OPTXLOS signal input to low
  8214. * (bit 9).
  8215. * When the EDC is off it locks onto a reference clock and
  8216. * avoids becoming 'lost'.
  8217. */
  8218. mod_abs &= ~(1<<8);
  8219. if (!(phy->flags & FLAGS_NOC))
  8220. mod_abs &= ~(1<<9);
  8221. bnx2x_cl45_write(bp, phy,
  8222. MDIO_PMA_DEVAD,
  8223. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8224. /* Clear RX alarm since it stays up as long as
  8225. * the mod_abs wasn't changed
  8226. */
  8227. bnx2x_cl45_read(bp, phy,
  8228. MDIO_PMA_DEVAD,
  8229. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8230. } else {
  8231. /* Module is present */
  8232. DP(NETIF_MSG_LINK,
  8233. "MOD_ABS indication show module is present\n");
  8234. /* First disable transmitter, and if the module is ok, the
  8235. * module_detection will enable it
  8236. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8237. * 2. Restore the default polarity of the OPRXLOS signal and
  8238. * this signal will then correctly indicate the presence or
  8239. * absence of the Rx signal. (bit 9)
  8240. */
  8241. mod_abs |= (1<<8);
  8242. if (!(phy->flags & FLAGS_NOC))
  8243. mod_abs |= (1<<9);
  8244. bnx2x_cl45_write(bp, phy,
  8245. MDIO_PMA_DEVAD,
  8246. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8247. /* Clear RX alarm since it stays up as long as the mod_abs
  8248. * wasn't changed. This is need to be done before calling the
  8249. * module detection, otherwise it will clear* the link update
  8250. * alarm
  8251. */
  8252. bnx2x_cl45_read(bp, phy,
  8253. MDIO_PMA_DEVAD,
  8254. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8255. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8256. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8257. bnx2x_sfp_set_transmitter(params, phy, 0);
  8258. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8259. bnx2x_sfp_module_detection(phy, params);
  8260. else
  8261. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8262. /* Reconfigure link speed based on module type limitations */
  8263. bnx2x_8727_config_speed(phy, params);
  8264. }
  8265. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8266. rx_alarm_status);
  8267. /* No need to check link status in case of module plugged in/out */
  8268. }
  8269. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8270. struct link_params *params,
  8271. struct link_vars *vars)
  8272. {
  8273. struct bnx2x *bp = params->bp;
  8274. u8 link_up = 0, oc_port = params->port;
  8275. u16 link_status = 0;
  8276. u16 rx_alarm_status, lasi_ctrl, val1;
  8277. /* If PHY is not initialized, do not check link status */
  8278. bnx2x_cl45_read(bp, phy,
  8279. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8280. &lasi_ctrl);
  8281. if (!lasi_ctrl)
  8282. return 0;
  8283. /* Check the LASI on Rx */
  8284. bnx2x_cl45_read(bp, phy,
  8285. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8286. &rx_alarm_status);
  8287. vars->line_speed = 0;
  8288. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8289. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8290. MDIO_PMA_LASI_TXCTRL);
  8291. bnx2x_cl45_read(bp, phy,
  8292. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8293. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8294. /* Clear MSG-OUT */
  8295. bnx2x_cl45_read(bp, phy,
  8296. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8297. /* If a module is present and there is need to check
  8298. * for over current
  8299. */
  8300. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8301. /* Check over-current using 8727 GPIO0 input*/
  8302. bnx2x_cl45_read(bp, phy,
  8303. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8304. &val1);
  8305. if ((val1 & (1<<8)) == 0) {
  8306. if (!CHIP_IS_E1x(bp))
  8307. oc_port = BP_PATH(bp) + (params->port << 1);
  8308. DP(NETIF_MSG_LINK,
  8309. "8727 Power fault has been detected on port %d\n",
  8310. oc_port);
  8311. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8312. "been detected and the power to "
  8313. "that SFP+ module has been removed "
  8314. "to prevent failure of the card. "
  8315. "Please remove the SFP+ module and "
  8316. "restart the system to clear this "
  8317. "error.\n",
  8318. oc_port);
  8319. /* Disable all RX_ALARMs except for mod_abs */
  8320. bnx2x_cl45_write(bp, phy,
  8321. MDIO_PMA_DEVAD,
  8322. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8323. bnx2x_cl45_read(bp, phy,
  8324. MDIO_PMA_DEVAD,
  8325. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8326. /* Wait for module_absent_event */
  8327. val1 |= (1<<8);
  8328. bnx2x_cl45_write(bp, phy,
  8329. MDIO_PMA_DEVAD,
  8330. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8331. /* Clear RX alarm */
  8332. bnx2x_cl45_read(bp, phy,
  8333. MDIO_PMA_DEVAD,
  8334. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8335. bnx2x_8727_power_module(params->bp, phy, 0);
  8336. return 0;
  8337. }
  8338. } /* Over current check */
  8339. /* When module absent bit is set, check module */
  8340. if (rx_alarm_status & (1<<5)) {
  8341. bnx2x_8727_handle_mod_abs(phy, params);
  8342. /* Enable all mod_abs and link detection bits */
  8343. bnx2x_cl45_write(bp, phy,
  8344. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8345. ((1<<5) | (1<<2)));
  8346. }
  8347. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8348. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8349. bnx2x_sfp_set_transmitter(params, phy, 1);
  8350. } else {
  8351. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8352. return 0;
  8353. }
  8354. bnx2x_cl45_read(bp, phy,
  8355. MDIO_PMA_DEVAD,
  8356. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8357. /* Bits 0..2 --> speed detected,
  8358. * Bits 13..15--> link is down
  8359. */
  8360. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8361. link_up = 1;
  8362. vars->line_speed = SPEED_10000;
  8363. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8364. params->port);
  8365. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8366. link_up = 1;
  8367. vars->line_speed = SPEED_1000;
  8368. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8369. params->port);
  8370. } else {
  8371. link_up = 0;
  8372. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8373. params->port);
  8374. }
  8375. /* Capture 10G link fault. */
  8376. if (vars->line_speed == SPEED_10000) {
  8377. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8378. MDIO_PMA_LASI_TXSTAT, &val1);
  8379. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8380. MDIO_PMA_LASI_TXSTAT, &val1);
  8381. if (val1 & (1<<0)) {
  8382. vars->fault_detected = 1;
  8383. }
  8384. }
  8385. if (link_up) {
  8386. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8387. vars->duplex = DUPLEX_FULL;
  8388. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8389. }
  8390. if ((DUAL_MEDIA(params)) &&
  8391. (phy->req_line_speed == SPEED_1000)) {
  8392. bnx2x_cl45_read(bp, phy,
  8393. MDIO_PMA_DEVAD,
  8394. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8395. /* In case of dual-media board and 1G, power up the XAUI side,
  8396. * otherwise power it down. For 10G it is done automatically
  8397. */
  8398. if (link_up)
  8399. val1 &= ~(3<<10);
  8400. else
  8401. val1 |= (3<<10);
  8402. bnx2x_cl45_write(bp, phy,
  8403. MDIO_PMA_DEVAD,
  8404. MDIO_PMA_REG_8727_PCS_GP, val1);
  8405. }
  8406. return link_up;
  8407. }
  8408. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8409. struct link_params *params)
  8410. {
  8411. struct bnx2x *bp = params->bp;
  8412. /* Enable/Disable PHY transmitter output */
  8413. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8414. /* Disable Transmitter */
  8415. bnx2x_sfp_set_transmitter(params, phy, 0);
  8416. /* Clear LASI */
  8417. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8418. }
  8419. /******************************************************************/
  8420. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8421. /******************************************************************/
  8422. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8423. struct bnx2x *bp,
  8424. u8 port)
  8425. {
  8426. u16 val, fw_ver2, cnt, i;
  8427. static struct bnx2x_reg_set reg_set[] = {
  8428. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8429. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8430. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8431. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8432. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8433. };
  8434. u16 fw_ver1;
  8435. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8436. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8437. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8438. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8439. phy->ver_addr);
  8440. } else {
  8441. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8442. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8443. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8444. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8445. reg_set[i].reg, reg_set[i].val);
  8446. for (cnt = 0; cnt < 100; cnt++) {
  8447. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8448. if (val & 1)
  8449. break;
  8450. udelay(5);
  8451. }
  8452. if (cnt == 100) {
  8453. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8454. "phy fw version(1)\n");
  8455. bnx2x_save_spirom_version(bp, port, 0,
  8456. phy->ver_addr);
  8457. return;
  8458. }
  8459. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8460. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8461. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8462. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8463. for (cnt = 0; cnt < 100; cnt++) {
  8464. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8465. if (val & 1)
  8466. break;
  8467. udelay(5);
  8468. }
  8469. if (cnt == 100) {
  8470. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8471. "version(2)\n");
  8472. bnx2x_save_spirom_version(bp, port, 0,
  8473. phy->ver_addr);
  8474. return;
  8475. }
  8476. /* lower 16 bits of the register SPI_FW_STATUS */
  8477. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8478. /* upper 16 bits of register SPI_FW_STATUS */
  8479. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8480. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8481. phy->ver_addr);
  8482. }
  8483. }
  8484. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8485. struct bnx2x_phy *phy)
  8486. {
  8487. u16 val, offset, i;
  8488. static struct bnx2x_reg_set reg_set[] = {
  8489. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8490. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8491. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8492. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8493. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8494. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8495. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8496. };
  8497. /* PHYC_CTL_LED_CTL */
  8498. bnx2x_cl45_read(bp, phy,
  8499. MDIO_PMA_DEVAD,
  8500. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8501. val &= 0xFE00;
  8502. val |= 0x0092;
  8503. bnx2x_cl45_write(bp, phy,
  8504. MDIO_PMA_DEVAD,
  8505. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8506. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8507. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8508. reg_set[i].val);
  8509. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8510. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8511. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8512. else
  8513. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8514. /* stretch_en for LED3*/
  8515. bnx2x_cl45_read_or_write(bp, phy,
  8516. MDIO_PMA_DEVAD, offset,
  8517. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8518. }
  8519. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8520. struct link_params *params,
  8521. u32 action)
  8522. {
  8523. struct bnx2x *bp = params->bp;
  8524. switch (action) {
  8525. case PHY_INIT:
  8526. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8527. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8528. /* Save spirom version */
  8529. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8530. }
  8531. /* This phy uses the NIG latch mechanism since link indication
  8532. * arrives through its LED4 and not via its LASI signal, so we
  8533. * get steady signal instead of clear on read
  8534. */
  8535. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8536. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8537. bnx2x_848xx_set_led(bp, phy);
  8538. break;
  8539. }
  8540. }
  8541. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8542. struct link_params *params,
  8543. struct link_vars *vars)
  8544. {
  8545. struct bnx2x *bp = params->bp;
  8546. u16 autoneg_val, an_1000_val, an_10_100_val;
  8547. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8548. bnx2x_cl45_write(bp, phy,
  8549. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8550. /* set 1000 speed advertisement */
  8551. bnx2x_cl45_read(bp, phy,
  8552. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8553. &an_1000_val);
  8554. bnx2x_ext_phy_set_pause(params, phy, vars);
  8555. bnx2x_cl45_read(bp, phy,
  8556. MDIO_AN_DEVAD,
  8557. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8558. &an_10_100_val);
  8559. bnx2x_cl45_read(bp, phy,
  8560. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8561. &autoneg_val);
  8562. /* Disable forced speed */
  8563. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8564. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8565. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8566. (phy->speed_cap_mask &
  8567. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8568. (phy->req_line_speed == SPEED_1000)) {
  8569. an_1000_val |= (1<<8);
  8570. autoneg_val |= (1<<9 | 1<<12);
  8571. if (phy->req_duplex == DUPLEX_FULL)
  8572. an_1000_val |= (1<<9);
  8573. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8574. } else
  8575. an_1000_val &= ~((1<<8) | (1<<9));
  8576. bnx2x_cl45_write(bp, phy,
  8577. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8578. an_1000_val);
  8579. /* set 100 speed advertisement */
  8580. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8581. (phy->speed_cap_mask &
  8582. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8583. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8584. an_10_100_val |= (1<<7);
  8585. /* Enable autoneg and restart autoneg for legacy speeds */
  8586. autoneg_val |= (1<<9 | 1<<12);
  8587. if (phy->req_duplex == DUPLEX_FULL)
  8588. an_10_100_val |= (1<<8);
  8589. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8590. }
  8591. /* set 10 speed advertisement */
  8592. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8593. (phy->speed_cap_mask &
  8594. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8595. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8596. (phy->supported &
  8597. (SUPPORTED_10baseT_Half |
  8598. SUPPORTED_10baseT_Full)))) {
  8599. an_10_100_val |= (1<<5);
  8600. autoneg_val |= (1<<9 | 1<<12);
  8601. if (phy->req_duplex == DUPLEX_FULL)
  8602. an_10_100_val |= (1<<6);
  8603. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8604. }
  8605. /* Only 10/100 are allowed to work in FORCE mode */
  8606. if ((phy->req_line_speed == SPEED_100) &&
  8607. (phy->supported &
  8608. (SUPPORTED_100baseT_Half |
  8609. SUPPORTED_100baseT_Full))) {
  8610. autoneg_val |= (1<<13);
  8611. /* Enabled AUTO-MDIX when autoneg is disabled */
  8612. bnx2x_cl45_write(bp, phy,
  8613. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8614. (1<<15 | 1<<9 | 7<<0));
  8615. /* The PHY needs this set even for forced link. */
  8616. an_10_100_val |= (1<<8) | (1<<7);
  8617. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8618. }
  8619. if ((phy->req_line_speed == SPEED_10) &&
  8620. (phy->supported &
  8621. (SUPPORTED_10baseT_Half |
  8622. SUPPORTED_10baseT_Full))) {
  8623. /* Enabled AUTO-MDIX when autoneg is disabled */
  8624. bnx2x_cl45_write(bp, phy,
  8625. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8626. (1<<15 | 1<<9 | 7<<0));
  8627. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8628. }
  8629. bnx2x_cl45_write(bp, phy,
  8630. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8631. an_10_100_val);
  8632. if (phy->req_duplex == DUPLEX_FULL)
  8633. autoneg_val |= (1<<8);
  8634. /* Always write this if this is not 84833/4.
  8635. * For 84833/4, write it only when it's a forced speed.
  8636. */
  8637. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8638. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8639. ((autoneg_val & (1<<12)) == 0))
  8640. bnx2x_cl45_write(bp, phy,
  8641. MDIO_AN_DEVAD,
  8642. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8643. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8644. (phy->speed_cap_mask &
  8645. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8646. (phy->req_line_speed == SPEED_10000)) {
  8647. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8648. /* Restart autoneg for 10G*/
  8649. bnx2x_cl45_read_or_write(
  8650. bp, phy,
  8651. MDIO_AN_DEVAD,
  8652. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8653. 0x1000);
  8654. bnx2x_cl45_write(bp, phy,
  8655. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8656. 0x3200);
  8657. } else
  8658. bnx2x_cl45_write(bp, phy,
  8659. MDIO_AN_DEVAD,
  8660. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8661. 1);
  8662. return 0;
  8663. }
  8664. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8665. struct link_params *params,
  8666. struct link_vars *vars)
  8667. {
  8668. struct bnx2x *bp = params->bp;
  8669. /* Restore normal power mode*/
  8670. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8671. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8672. /* HW reset */
  8673. bnx2x_ext_phy_hw_reset(bp, params->port);
  8674. bnx2x_wait_reset_complete(bp, phy, params);
  8675. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8676. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8677. }
  8678. #define PHY84833_CMDHDLR_WAIT 300
  8679. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8680. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8681. struct link_params *params, u16 fw_cmd,
  8682. u16 cmd_args[], int argc)
  8683. {
  8684. int idx;
  8685. u16 val;
  8686. struct bnx2x *bp = params->bp;
  8687. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8688. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8689. MDIO_84833_CMD_HDLR_STATUS,
  8690. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8691. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8692. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8693. MDIO_84833_CMD_HDLR_STATUS, &val);
  8694. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8695. break;
  8696. usleep_range(1000, 2000);
  8697. }
  8698. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8699. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8700. return -EINVAL;
  8701. }
  8702. /* Prepare argument(s) and issue command */
  8703. for (idx = 0; idx < argc; idx++) {
  8704. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8705. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8706. cmd_args[idx]);
  8707. }
  8708. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8709. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8710. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8711. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8712. MDIO_84833_CMD_HDLR_STATUS, &val);
  8713. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8714. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8715. break;
  8716. usleep_range(1000, 2000);
  8717. }
  8718. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8719. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8720. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8721. return -EINVAL;
  8722. }
  8723. /* Gather returning data */
  8724. for (idx = 0; idx < argc; idx++) {
  8725. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8726. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8727. &cmd_args[idx]);
  8728. }
  8729. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8730. MDIO_84833_CMD_HDLR_STATUS,
  8731. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8732. return 0;
  8733. }
  8734. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8735. struct link_params *params,
  8736. struct link_vars *vars)
  8737. {
  8738. u32 pair_swap;
  8739. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8740. int status;
  8741. struct bnx2x *bp = params->bp;
  8742. /* Check for configuration. */
  8743. pair_swap = REG_RD(bp, params->shmem_base +
  8744. offsetof(struct shmem_region,
  8745. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8746. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8747. if (pair_swap == 0)
  8748. return 0;
  8749. /* Only the second argument is used for this command */
  8750. data[1] = (u16)pair_swap;
  8751. status = bnx2x_84833_cmd_hdlr(phy, params,
  8752. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8753. if (status == 0)
  8754. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8755. return status;
  8756. }
  8757. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8758. u32 shmem_base_path[],
  8759. u32 chip_id)
  8760. {
  8761. u32 reset_pin[2];
  8762. u32 idx;
  8763. u8 reset_gpios;
  8764. if (CHIP_IS_E3(bp)) {
  8765. /* Assume that these will be GPIOs, not EPIOs. */
  8766. for (idx = 0; idx < 2; idx++) {
  8767. /* Map config param to register bit. */
  8768. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8769. offsetof(struct shmem_region,
  8770. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8771. reset_pin[idx] = (reset_pin[idx] &
  8772. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8773. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8774. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8775. reset_pin[idx] = (1 << reset_pin[idx]);
  8776. }
  8777. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8778. } else {
  8779. /* E2, look from diff place of shmem. */
  8780. for (idx = 0; idx < 2; idx++) {
  8781. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8782. offsetof(struct shmem_region,
  8783. dev_info.port_hw_config[0].default_cfg));
  8784. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8785. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8786. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8787. reset_pin[idx] = (1 << reset_pin[idx]);
  8788. }
  8789. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8790. }
  8791. return reset_gpios;
  8792. }
  8793. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8794. struct link_params *params)
  8795. {
  8796. struct bnx2x *bp = params->bp;
  8797. u8 reset_gpios;
  8798. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8799. offsetof(struct shmem2_region,
  8800. other_shmem_base_addr));
  8801. u32 shmem_base_path[2];
  8802. /* Work around for 84833 LED failure inside RESET status */
  8803. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8804. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8805. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8806. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8807. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8808. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8809. shmem_base_path[0] = params->shmem_base;
  8810. shmem_base_path[1] = other_shmem_base_addr;
  8811. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8812. params->chip_id);
  8813. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8814. udelay(10);
  8815. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8816. reset_gpios);
  8817. return 0;
  8818. }
  8819. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8820. struct link_params *params,
  8821. struct link_vars *vars)
  8822. {
  8823. int rc;
  8824. struct bnx2x *bp = params->bp;
  8825. u16 cmd_args = 0;
  8826. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8827. /* Prevent Phy from working in EEE and advertising it */
  8828. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8829. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8830. if (rc) {
  8831. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8832. return rc;
  8833. }
  8834. return bnx2x_eee_disable(phy, params, vars);
  8835. }
  8836. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8837. struct link_params *params,
  8838. struct link_vars *vars)
  8839. {
  8840. int rc;
  8841. struct bnx2x *bp = params->bp;
  8842. u16 cmd_args = 1;
  8843. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8844. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8845. if (rc) {
  8846. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8847. return rc;
  8848. }
  8849. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8850. }
  8851. #define PHY84833_CONSTANT_LATENCY 1193
  8852. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8853. struct link_params *params,
  8854. struct link_vars *vars)
  8855. {
  8856. struct bnx2x *bp = params->bp;
  8857. u8 port, initialize = 1;
  8858. u16 val;
  8859. u32 actual_phy_selection;
  8860. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8861. int rc = 0;
  8862. usleep_range(1000, 2000);
  8863. if (!(CHIP_IS_E1x(bp)))
  8864. port = BP_PATH(bp);
  8865. else
  8866. port = params->port;
  8867. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8868. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8869. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8870. port);
  8871. } else {
  8872. /* MDIO reset */
  8873. bnx2x_cl45_write(bp, phy,
  8874. MDIO_PMA_DEVAD,
  8875. MDIO_PMA_REG_CTRL, 0x8000);
  8876. }
  8877. bnx2x_wait_reset_complete(bp, phy, params);
  8878. /* Wait for GPHY to come out of reset */
  8879. msleep(50);
  8880. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8881. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8882. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8883. * behavior.
  8884. */
  8885. u16 temp;
  8886. temp = vars->line_speed;
  8887. vars->line_speed = SPEED_10000;
  8888. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8889. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8890. vars->line_speed = temp;
  8891. }
  8892. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8893. MDIO_CTL_REG_84823_MEDIA, &val);
  8894. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8895. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8896. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8897. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8898. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8899. if (CHIP_IS_E3(bp)) {
  8900. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8901. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8902. } else {
  8903. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8904. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8905. }
  8906. actual_phy_selection = bnx2x_phy_selection(params);
  8907. switch (actual_phy_selection) {
  8908. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8909. /* Do nothing. Essentially this is like the priority copper */
  8910. break;
  8911. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8912. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8913. break;
  8914. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8915. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8916. break;
  8917. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8918. /* Do nothing here. The first PHY won't be initialized at all */
  8919. break;
  8920. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8921. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8922. initialize = 0;
  8923. break;
  8924. }
  8925. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8926. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8927. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8928. MDIO_CTL_REG_84823_MEDIA, val);
  8929. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8930. params->multi_phy_config, val);
  8931. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8932. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8933. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8934. /* Keep AutogrEEEn disabled. */
  8935. cmd_args[0] = 0x0;
  8936. cmd_args[1] = 0x0;
  8937. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8938. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8939. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8940. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8941. PHY84833_CMDHDLR_MAX_ARGS);
  8942. if (rc)
  8943. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8944. }
  8945. if (initialize)
  8946. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8947. else
  8948. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8949. /* 84833 PHY has a better feature and doesn't need to support this. */
  8950. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8951. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8952. offsetof(struct shmem_region,
  8953. dev_info.port_hw_config[params->port].default_cfg)) &
  8954. PORT_HW_CFG_ENABLE_CMS_MASK;
  8955. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8956. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8957. if (cms_enable)
  8958. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8959. else
  8960. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8961. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8962. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8963. }
  8964. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8965. MDIO_84833_TOP_CFG_FW_REV, &val);
  8966. /* Configure EEE support */
  8967. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8968. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8969. bnx2x_eee_has_cap(params)) {
  8970. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8971. if (rc) {
  8972. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8973. bnx2x_8483x_disable_eee(phy, params, vars);
  8974. return rc;
  8975. }
  8976. if ((phy->req_duplex == DUPLEX_FULL) &&
  8977. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8978. (bnx2x_eee_calc_timer(params) ||
  8979. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8980. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8981. else
  8982. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8983. if (rc) {
  8984. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8985. return rc;
  8986. }
  8987. } else {
  8988. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8989. }
  8990. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8991. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8992. /* Bring PHY out of super isolate mode as the final step. */
  8993. bnx2x_cl45_read_and_write(bp, phy,
  8994. MDIO_CTL_DEVAD,
  8995. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  8996. (u16)~MDIO_84833_SUPER_ISOLATE);
  8997. }
  8998. return rc;
  8999. }
  9000. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9001. struct link_params *params,
  9002. struct link_vars *vars)
  9003. {
  9004. struct bnx2x *bp = params->bp;
  9005. u16 val, val1, val2;
  9006. u8 link_up = 0;
  9007. /* Check 10G-BaseT link status */
  9008. /* Check PMD signal ok */
  9009. bnx2x_cl45_read(bp, phy,
  9010. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9011. bnx2x_cl45_read(bp, phy,
  9012. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9013. &val2);
  9014. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9015. /* Check link 10G */
  9016. if (val2 & (1<<11)) {
  9017. vars->line_speed = SPEED_10000;
  9018. vars->duplex = DUPLEX_FULL;
  9019. link_up = 1;
  9020. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9021. } else { /* Check Legacy speed link */
  9022. u16 legacy_status, legacy_speed;
  9023. /* Enable expansion register 0x42 (Operation mode status) */
  9024. bnx2x_cl45_write(bp, phy,
  9025. MDIO_AN_DEVAD,
  9026. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9027. /* Get legacy speed operation status */
  9028. bnx2x_cl45_read(bp, phy,
  9029. MDIO_AN_DEVAD,
  9030. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9031. &legacy_status);
  9032. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9033. legacy_status);
  9034. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9035. legacy_speed = (legacy_status & (3<<9));
  9036. if (legacy_speed == (0<<9))
  9037. vars->line_speed = SPEED_10;
  9038. else if (legacy_speed == (1<<9))
  9039. vars->line_speed = SPEED_100;
  9040. else if (legacy_speed == (2<<9))
  9041. vars->line_speed = SPEED_1000;
  9042. else { /* Should not happen: Treat as link down */
  9043. vars->line_speed = 0;
  9044. link_up = 0;
  9045. }
  9046. if (link_up) {
  9047. if (legacy_status & (1<<8))
  9048. vars->duplex = DUPLEX_FULL;
  9049. else
  9050. vars->duplex = DUPLEX_HALF;
  9051. DP(NETIF_MSG_LINK,
  9052. "Link is up in %dMbps, is_duplex_full= %d\n",
  9053. vars->line_speed,
  9054. (vars->duplex == DUPLEX_FULL));
  9055. /* Check legacy speed AN resolution */
  9056. bnx2x_cl45_read(bp, phy,
  9057. MDIO_AN_DEVAD,
  9058. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9059. &val);
  9060. if (val & (1<<5))
  9061. vars->link_status |=
  9062. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9063. bnx2x_cl45_read(bp, phy,
  9064. MDIO_AN_DEVAD,
  9065. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9066. &val);
  9067. if ((val & (1<<0)) == 0)
  9068. vars->link_status |=
  9069. LINK_STATUS_PARALLEL_DETECTION_USED;
  9070. }
  9071. }
  9072. if (link_up) {
  9073. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9074. vars->line_speed);
  9075. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9076. /* Read LP advertised speeds */
  9077. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9078. MDIO_AN_REG_CL37_FC_LP, &val);
  9079. if (val & (1<<5))
  9080. vars->link_status |=
  9081. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9082. if (val & (1<<6))
  9083. vars->link_status |=
  9084. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9085. if (val & (1<<7))
  9086. vars->link_status |=
  9087. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9088. if (val & (1<<8))
  9089. vars->link_status |=
  9090. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9091. if (val & (1<<9))
  9092. vars->link_status |=
  9093. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9094. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9095. MDIO_AN_REG_1000T_STATUS, &val);
  9096. if (val & (1<<10))
  9097. vars->link_status |=
  9098. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9099. if (val & (1<<11))
  9100. vars->link_status |=
  9101. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9102. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9103. MDIO_AN_REG_MASTER_STATUS, &val);
  9104. if (val & (1<<11))
  9105. vars->link_status |=
  9106. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9107. /* Determine if EEE was negotiated */
  9108. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9109. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9110. bnx2x_eee_an_resolve(phy, params, vars);
  9111. }
  9112. return link_up;
  9113. }
  9114. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9115. {
  9116. int status = 0;
  9117. u32 spirom_ver;
  9118. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9119. status = bnx2x_format_ver(spirom_ver, str, len);
  9120. return status;
  9121. }
  9122. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9123. struct link_params *params)
  9124. {
  9125. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9126. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9127. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9128. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9129. }
  9130. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9131. struct link_params *params)
  9132. {
  9133. bnx2x_cl45_write(params->bp, phy,
  9134. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9135. bnx2x_cl45_write(params->bp, phy,
  9136. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9137. }
  9138. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9139. struct link_params *params)
  9140. {
  9141. struct bnx2x *bp = params->bp;
  9142. u8 port;
  9143. u16 val16;
  9144. if (!(CHIP_IS_E1x(bp)))
  9145. port = BP_PATH(bp);
  9146. else
  9147. port = params->port;
  9148. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9149. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9150. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9151. port);
  9152. } else {
  9153. bnx2x_cl45_read(bp, phy,
  9154. MDIO_CTL_DEVAD,
  9155. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9156. val16 |= MDIO_84833_SUPER_ISOLATE;
  9157. bnx2x_cl45_write(bp, phy,
  9158. MDIO_CTL_DEVAD,
  9159. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9160. }
  9161. }
  9162. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9163. struct link_params *params, u8 mode)
  9164. {
  9165. struct bnx2x *bp = params->bp;
  9166. u16 val;
  9167. u8 port;
  9168. if (!(CHIP_IS_E1x(bp)))
  9169. port = BP_PATH(bp);
  9170. else
  9171. port = params->port;
  9172. switch (mode) {
  9173. case LED_MODE_OFF:
  9174. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9175. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9176. SHARED_HW_CFG_LED_EXTPHY1) {
  9177. /* Set LED masks */
  9178. bnx2x_cl45_write(bp, phy,
  9179. MDIO_PMA_DEVAD,
  9180. MDIO_PMA_REG_8481_LED1_MASK,
  9181. 0x0);
  9182. bnx2x_cl45_write(bp, phy,
  9183. MDIO_PMA_DEVAD,
  9184. MDIO_PMA_REG_8481_LED2_MASK,
  9185. 0x0);
  9186. bnx2x_cl45_write(bp, phy,
  9187. MDIO_PMA_DEVAD,
  9188. MDIO_PMA_REG_8481_LED3_MASK,
  9189. 0x0);
  9190. bnx2x_cl45_write(bp, phy,
  9191. MDIO_PMA_DEVAD,
  9192. MDIO_PMA_REG_8481_LED5_MASK,
  9193. 0x0);
  9194. } else {
  9195. bnx2x_cl45_write(bp, phy,
  9196. MDIO_PMA_DEVAD,
  9197. MDIO_PMA_REG_8481_LED1_MASK,
  9198. 0x0);
  9199. }
  9200. break;
  9201. case LED_MODE_FRONT_PANEL_OFF:
  9202. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9203. port);
  9204. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9205. SHARED_HW_CFG_LED_EXTPHY1) {
  9206. /* Set LED masks */
  9207. bnx2x_cl45_write(bp, phy,
  9208. MDIO_PMA_DEVAD,
  9209. MDIO_PMA_REG_8481_LED1_MASK,
  9210. 0x0);
  9211. bnx2x_cl45_write(bp, phy,
  9212. MDIO_PMA_DEVAD,
  9213. MDIO_PMA_REG_8481_LED2_MASK,
  9214. 0x0);
  9215. bnx2x_cl45_write(bp, phy,
  9216. MDIO_PMA_DEVAD,
  9217. MDIO_PMA_REG_8481_LED3_MASK,
  9218. 0x0);
  9219. bnx2x_cl45_write(bp, phy,
  9220. MDIO_PMA_DEVAD,
  9221. MDIO_PMA_REG_8481_LED5_MASK,
  9222. 0x20);
  9223. } else {
  9224. bnx2x_cl45_write(bp, phy,
  9225. MDIO_PMA_DEVAD,
  9226. MDIO_PMA_REG_8481_LED1_MASK,
  9227. 0x0);
  9228. if (phy->type ==
  9229. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9230. /* Disable MI_INT interrupt before setting LED4
  9231. * source to constant off.
  9232. */
  9233. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9234. params->port*4) &
  9235. NIG_MASK_MI_INT) {
  9236. params->link_flags |=
  9237. LINK_FLAGS_INT_DISABLED;
  9238. bnx2x_bits_dis(
  9239. bp,
  9240. NIG_REG_MASK_INTERRUPT_PORT0 +
  9241. params->port*4,
  9242. NIG_MASK_MI_INT);
  9243. }
  9244. bnx2x_cl45_write(bp, phy,
  9245. MDIO_PMA_DEVAD,
  9246. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9247. 0x0);
  9248. }
  9249. }
  9250. break;
  9251. case LED_MODE_ON:
  9252. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9253. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9254. SHARED_HW_CFG_LED_EXTPHY1) {
  9255. /* Set control reg */
  9256. bnx2x_cl45_read(bp, phy,
  9257. MDIO_PMA_DEVAD,
  9258. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9259. &val);
  9260. val &= 0x8000;
  9261. val |= 0x2492;
  9262. bnx2x_cl45_write(bp, phy,
  9263. MDIO_PMA_DEVAD,
  9264. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9265. val);
  9266. /* Set LED masks */
  9267. bnx2x_cl45_write(bp, phy,
  9268. MDIO_PMA_DEVAD,
  9269. MDIO_PMA_REG_8481_LED1_MASK,
  9270. 0x0);
  9271. bnx2x_cl45_write(bp, phy,
  9272. MDIO_PMA_DEVAD,
  9273. MDIO_PMA_REG_8481_LED2_MASK,
  9274. 0x20);
  9275. bnx2x_cl45_write(bp, phy,
  9276. MDIO_PMA_DEVAD,
  9277. MDIO_PMA_REG_8481_LED3_MASK,
  9278. 0x20);
  9279. bnx2x_cl45_write(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_LED5_MASK,
  9282. 0x0);
  9283. } else {
  9284. bnx2x_cl45_write(bp, phy,
  9285. MDIO_PMA_DEVAD,
  9286. MDIO_PMA_REG_8481_LED1_MASK,
  9287. 0x20);
  9288. if (phy->type ==
  9289. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9290. /* Disable MI_INT interrupt before setting LED4
  9291. * source to constant on.
  9292. */
  9293. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9294. params->port*4) &
  9295. NIG_MASK_MI_INT) {
  9296. params->link_flags |=
  9297. LINK_FLAGS_INT_DISABLED;
  9298. bnx2x_bits_dis(
  9299. bp,
  9300. NIG_REG_MASK_INTERRUPT_PORT0 +
  9301. params->port*4,
  9302. NIG_MASK_MI_INT);
  9303. }
  9304. bnx2x_cl45_write(bp, phy,
  9305. MDIO_PMA_DEVAD,
  9306. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9307. 0x20);
  9308. }
  9309. }
  9310. break;
  9311. case LED_MODE_OPER:
  9312. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9313. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9314. SHARED_HW_CFG_LED_EXTPHY1) {
  9315. /* Set control reg */
  9316. bnx2x_cl45_read(bp, phy,
  9317. MDIO_PMA_DEVAD,
  9318. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9319. &val);
  9320. if (!((val &
  9321. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9322. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9323. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9324. bnx2x_cl45_write(bp, phy,
  9325. MDIO_PMA_DEVAD,
  9326. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9327. 0xa492);
  9328. }
  9329. /* Set LED masks */
  9330. bnx2x_cl45_write(bp, phy,
  9331. MDIO_PMA_DEVAD,
  9332. MDIO_PMA_REG_8481_LED1_MASK,
  9333. 0x10);
  9334. bnx2x_cl45_write(bp, phy,
  9335. MDIO_PMA_DEVAD,
  9336. MDIO_PMA_REG_8481_LED2_MASK,
  9337. 0x80);
  9338. bnx2x_cl45_write(bp, phy,
  9339. MDIO_PMA_DEVAD,
  9340. MDIO_PMA_REG_8481_LED3_MASK,
  9341. 0x98);
  9342. bnx2x_cl45_write(bp, phy,
  9343. MDIO_PMA_DEVAD,
  9344. MDIO_PMA_REG_8481_LED5_MASK,
  9345. 0x40);
  9346. } else {
  9347. bnx2x_cl45_write(bp, phy,
  9348. MDIO_PMA_DEVAD,
  9349. MDIO_PMA_REG_8481_LED1_MASK,
  9350. 0x80);
  9351. /* Tell LED3 to blink on source */
  9352. bnx2x_cl45_read(bp, phy,
  9353. MDIO_PMA_DEVAD,
  9354. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9355. &val);
  9356. val &= ~(7<<6);
  9357. val |= (1<<6); /* A83B[8:6]= 1 */
  9358. bnx2x_cl45_write(bp, phy,
  9359. MDIO_PMA_DEVAD,
  9360. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9361. val);
  9362. if (phy->type ==
  9363. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9364. /* Restore LED4 source to external link,
  9365. * and re-enable interrupts.
  9366. */
  9367. bnx2x_cl45_write(bp, phy,
  9368. MDIO_PMA_DEVAD,
  9369. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9370. 0x40);
  9371. if (params->link_flags &
  9372. LINK_FLAGS_INT_DISABLED) {
  9373. bnx2x_link_int_enable(params);
  9374. params->link_flags &=
  9375. ~LINK_FLAGS_INT_DISABLED;
  9376. }
  9377. }
  9378. }
  9379. break;
  9380. }
  9381. /* This is a workaround for E3+84833 until autoneg
  9382. * restart is fixed in f/w
  9383. */
  9384. if (CHIP_IS_E3(bp)) {
  9385. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9386. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9387. }
  9388. }
  9389. /******************************************************************/
  9390. /* 54618SE PHY SECTION */
  9391. /******************************************************************/
  9392. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9393. struct link_params *params,
  9394. u32 action)
  9395. {
  9396. struct bnx2x *bp = params->bp;
  9397. u16 temp;
  9398. switch (action) {
  9399. case PHY_INIT:
  9400. /* Configure LED4: set to INTR (0x6). */
  9401. /* Accessing shadow register 0xe. */
  9402. bnx2x_cl22_write(bp, phy,
  9403. MDIO_REG_GPHY_SHADOW,
  9404. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9405. bnx2x_cl22_read(bp, phy,
  9406. MDIO_REG_GPHY_SHADOW,
  9407. &temp);
  9408. temp &= ~(0xf << 4);
  9409. temp |= (0x6 << 4);
  9410. bnx2x_cl22_write(bp, phy,
  9411. MDIO_REG_GPHY_SHADOW,
  9412. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9413. /* Configure INTR based on link status change. */
  9414. bnx2x_cl22_write(bp, phy,
  9415. MDIO_REG_INTR_MASK,
  9416. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9417. break;
  9418. }
  9419. }
  9420. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9421. struct link_params *params,
  9422. struct link_vars *vars)
  9423. {
  9424. struct bnx2x *bp = params->bp;
  9425. u8 port;
  9426. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9427. u32 cfg_pin;
  9428. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9429. usleep_range(1000, 2000);
  9430. /* This works with E3 only, no need to check the chip
  9431. * before determining the port.
  9432. */
  9433. port = params->port;
  9434. cfg_pin = (REG_RD(bp, params->shmem_base +
  9435. offsetof(struct shmem_region,
  9436. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9437. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9438. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9439. /* Drive pin high to bring the GPHY out of reset. */
  9440. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9441. /* wait for GPHY to reset */
  9442. msleep(50);
  9443. /* reset phy */
  9444. bnx2x_cl22_write(bp, phy,
  9445. MDIO_PMA_REG_CTRL, 0x8000);
  9446. bnx2x_wait_reset_complete(bp, phy, params);
  9447. /* Wait for GPHY to reset */
  9448. msleep(50);
  9449. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9450. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9451. bnx2x_cl22_write(bp, phy,
  9452. MDIO_REG_GPHY_SHADOW,
  9453. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9454. bnx2x_cl22_read(bp, phy,
  9455. MDIO_REG_GPHY_SHADOW,
  9456. &temp);
  9457. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9458. bnx2x_cl22_write(bp, phy,
  9459. MDIO_REG_GPHY_SHADOW,
  9460. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9461. /* Set up fc */
  9462. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9463. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9464. fc_val = 0;
  9465. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9466. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9467. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9468. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9469. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9470. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9471. /* Read all advertisement */
  9472. bnx2x_cl22_read(bp, phy,
  9473. 0x09,
  9474. &an_1000_val);
  9475. bnx2x_cl22_read(bp, phy,
  9476. 0x04,
  9477. &an_10_100_val);
  9478. bnx2x_cl22_read(bp, phy,
  9479. MDIO_PMA_REG_CTRL,
  9480. &autoneg_val);
  9481. /* Disable forced speed */
  9482. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9483. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9484. (1<<11));
  9485. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9486. (phy->speed_cap_mask &
  9487. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9488. (phy->req_line_speed == SPEED_1000)) {
  9489. an_1000_val |= (1<<8);
  9490. autoneg_val |= (1<<9 | 1<<12);
  9491. if (phy->req_duplex == DUPLEX_FULL)
  9492. an_1000_val |= (1<<9);
  9493. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9494. } else
  9495. an_1000_val &= ~((1<<8) | (1<<9));
  9496. bnx2x_cl22_write(bp, phy,
  9497. 0x09,
  9498. an_1000_val);
  9499. bnx2x_cl22_read(bp, phy,
  9500. 0x09,
  9501. &an_1000_val);
  9502. /* Set 100 speed advertisement */
  9503. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9504. (phy->speed_cap_mask &
  9505. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9506. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9507. an_10_100_val |= (1<<7);
  9508. /* Enable autoneg and restart autoneg for legacy speeds */
  9509. autoneg_val |= (1<<9 | 1<<12);
  9510. if (phy->req_duplex == DUPLEX_FULL)
  9511. an_10_100_val |= (1<<8);
  9512. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9513. }
  9514. /* Set 10 speed advertisement */
  9515. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9516. (phy->speed_cap_mask &
  9517. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9518. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9519. an_10_100_val |= (1<<5);
  9520. autoneg_val |= (1<<9 | 1<<12);
  9521. if (phy->req_duplex == DUPLEX_FULL)
  9522. an_10_100_val |= (1<<6);
  9523. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9524. }
  9525. /* Only 10/100 are allowed to work in FORCE mode */
  9526. if (phy->req_line_speed == SPEED_100) {
  9527. autoneg_val |= (1<<13);
  9528. /* Enabled AUTO-MDIX when autoneg is disabled */
  9529. bnx2x_cl22_write(bp, phy,
  9530. 0x18,
  9531. (1<<15 | 1<<9 | 7<<0));
  9532. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9533. }
  9534. if (phy->req_line_speed == SPEED_10) {
  9535. /* Enabled AUTO-MDIX when autoneg is disabled */
  9536. bnx2x_cl22_write(bp, phy,
  9537. 0x18,
  9538. (1<<15 | 1<<9 | 7<<0));
  9539. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9540. }
  9541. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9542. int rc;
  9543. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9544. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9545. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9546. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9547. temp &= 0xfffe;
  9548. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9549. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9550. if (rc) {
  9551. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9552. bnx2x_eee_disable(phy, params, vars);
  9553. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9554. (phy->req_duplex == DUPLEX_FULL) &&
  9555. (bnx2x_eee_calc_timer(params) ||
  9556. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9557. /* Need to advertise EEE only when requested,
  9558. * and either no LPI assertion was requested,
  9559. * or it was requested and a valid timer was set.
  9560. * Also notice full duplex is required for EEE.
  9561. */
  9562. bnx2x_eee_advertise(phy, params, vars,
  9563. SHMEM_EEE_1G_ADV);
  9564. } else {
  9565. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9566. bnx2x_eee_disable(phy, params, vars);
  9567. }
  9568. } else {
  9569. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9570. SHMEM_EEE_SUPPORTED_SHIFT;
  9571. if (phy->flags & FLAGS_EEE) {
  9572. /* Handle legacy auto-grEEEn */
  9573. if (params->feature_config_flags &
  9574. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9575. temp = 6;
  9576. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9577. } else {
  9578. temp = 0;
  9579. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9580. }
  9581. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9582. MDIO_AN_REG_EEE_ADV, temp);
  9583. }
  9584. }
  9585. bnx2x_cl22_write(bp, phy,
  9586. 0x04,
  9587. an_10_100_val | fc_val);
  9588. if (phy->req_duplex == DUPLEX_FULL)
  9589. autoneg_val |= (1<<8);
  9590. bnx2x_cl22_write(bp, phy,
  9591. MDIO_PMA_REG_CTRL, autoneg_val);
  9592. return 0;
  9593. }
  9594. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9595. struct link_params *params, u8 mode)
  9596. {
  9597. struct bnx2x *bp = params->bp;
  9598. u16 temp;
  9599. bnx2x_cl22_write(bp, phy,
  9600. MDIO_REG_GPHY_SHADOW,
  9601. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9602. bnx2x_cl22_read(bp, phy,
  9603. MDIO_REG_GPHY_SHADOW,
  9604. &temp);
  9605. temp &= 0xff00;
  9606. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9607. switch (mode) {
  9608. case LED_MODE_FRONT_PANEL_OFF:
  9609. case LED_MODE_OFF:
  9610. temp |= 0x00ee;
  9611. break;
  9612. case LED_MODE_OPER:
  9613. temp |= 0x0001;
  9614. break;
  9615. case LED_MODE_ON:
  9616. temp |= 0x00ff;
  9617. break;
  9618. default:
  9619. break;
  9620. }
  9621. bnx2x_cl22_write(bp, phy,
  9622. MDIO_REG_GPHY_SHADOW,
  9623. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9624. return;
  9625. }
  9626. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9627. struct link_params *params)
  9628. {
  9629. struct bnx2x *bp = params->bp;
  9630. u32 cfg_pin;
  9631. u8 port;
  9632. /* In case of no EPIO routed to reset the GPHY, put it
  9633. * in low power mode.
  9634. */
  9635. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9636. /* This works with E3 only, no need to check the chip
  9637. * before determining the port.
  9638. */
  9639. port = params->port;
  9640. cfg_pin = (REG_RD(bp, params->shmem_base +
  9641. offsetof(struct shmem_region,
  9642. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9643. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9644. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9645. /* Drive pin low to put GPHY in reset. */
  9646. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9647. }
  9648. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9649. struct link_params *params,
  9650. struct link_vars *vars)
  9651. {
  9652. struct bnx2x *bp = params->bp;
  9653. u16 val;
  9654. u8 link_up = 0;
  9655. u16 legacy_status, legacy_speed;
  9656. /* Get speed operation status */
  9657. bnx2x_cl22_read(bp, phy,
  9658. MDIO_REG_GPHY_AUX_STATUS,
  9659. &legacy_status);
  9660. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9661. /* Read status to clear the PHY interrupt. */
  9662. bnx2x_cl22_read(bp, phy,
  9663. MDIO_REG_INTR_STATUS,
  9664. &val);
  9665. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9666. if (link_up) {
  9667. legacy_speed = (legacy_status & (7<<8));
  9668. if (legacy_speed == (7<<8)) {
  9669. vars->line_speed = SPEED_1000;
  9670. vars->duplex = DUPLEX_FULL;
  9671. } else if (legacy_speed == (6<<8)) {
  9672. vars->line_speed = SPEED_1000;
  9673. vars->duplex = DUPLEX_HALF;
  9674. } else if (legacy_speed == (5<<8)) {
  9675. vars->line_speed = SPEED_100;
  9676. vars->duplex = DUPLEX_FULL;
  9677. }
  9678. /* Omitting 100Base-T4 for now */
  9679. else if (legacy_speed == (3<<8)) {
  9680. vars->line_speed = SPEED_100;
  9681. vars->duplex = DUPLEX_HALF;
  9682. } else if (legacy_speed == (2<<8)) {
  9683. vars->line_speed = SPEED_10;
  9684. vars->duplex = DUPLEX_FULL;
  9685. } else if (legacy_speed == (1<<8)) {
  9686. vars->line_speed = SPEED_10;
  9687. vars->duplex = DUPLEX_HALF;
  9688. } else /* Should not happen */
  9689. vars->line_speed = 0;
  9690. DP(NETIF_MSG_LINK,
  9691. "Link is up in %dMbps, is_duplex_full= %d\n",
  9692. vars->line_speed,
  9693. (vars->duplex == DUPLEX_FULL));
  9694. /* Check legacy speed AN resolution */
  9695. bnx2x_cl22_read(bp, phy,
  9696. 0x01,
  9697. &val);
  9698. if (val & (1<<5))
  9699. vars->link_status |=
  9700. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9701. bnx2x_cl22_read(bp, phy,
  9702. 0x06,
  9703. &val);
  9704. if ((val & (1<<0)) == 0)
  9705. vars->link_status |=
  9706. LINK_STATUS_PARALLEL_DETECTION_USED;
  9707. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9708. vars->line_speed);
  9709. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9710. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9711. /* Report LP advertised speeds */
  9712. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9713. if (val & (1<<5))
  9714. vars->link_status |=
  9715. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9716. if (val & (1<<6))
  9717. vars->link_status |=
  9718. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9719. if (val & (1<<7))
  9720. vars->link_status |=
  9721. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9722. if (val & (1<<8))
  9723. vars->link_status |=
  9724. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9725. if (val & (1<<9))
  9726. vars->link_status |=
  9727. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9728. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9729. if (val & (1<<10))
  9730. vars->link_status |=
  9731. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9732. if (val & (1<<11))
  9733. vars->link_status |=
  9734. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9735. if ((phy->flags & FLAGS_EEE) &&
  9736. bnx2x_eee_has_cap(params))
  9737. bnx2x_eee_an_resolve(phy, params, vars);
  9738. }
  9739. }
  9740. return link_up;
  9741. }
  9742. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9743. struct link_params *params)
  9744. {
  9745. struct bnx2x *bp = params->bp;
  9746. u16 val;
  9747. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9748. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9749. /* Enable master/slave manual mmode and set to master */
  9750. /* mii write 9 [bits set 11 12] */
  9751. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9752. /* forced 1G and disable autoneg */
  9753. /* set val [mii read 0] */
  9754. /* set val [expr $val & [bits clear 6 12 13]] */
  9755. /* set val [expr $val | [bits set 6 8]] */
  9756. /* mii write 0 $val */
  9757. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9758. val &= ~((1<<6) | (1<<12) | (1<<13));
  9759. val |= (1<<6) | (1<<8);
  9760. bnx2x_cl22_write(bp, phy, 0x00, val);
  9761. /* Set external loopback and Tx using 6dB coding */
  9762. /* mii write 0x18 7 */
  9763. /* set val [mii read 0x18] */
  9764. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9765. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9766. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9767. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9768. /* This register opens the gate for the UMAC despite its name */
  9769. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9770. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9771. * length used by the MAC receive logic to check frames.
  9772. */
  9773. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9774. }
  9775. /******************************************************************/
  9776. /* SFX7101 PHY SECTION */
  9777. /******************************************************************/
  9778. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9779. struct link_params *params)
  9780. {
  9781. struct bnx2x *bp = params->bp;
  9782. /* SFX7101_XGXS_TEST1 */
  9783. bnx2x_cl45_write(bp, phy,
  9784. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9785. }
  9786. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9787. struct link_params *params,
  9788. struct link_vars *vars)
  9789. {
  9790. u16 fw_ver1, fw_ver2, val;
  9791. struct bnx2x *bp = params->bp;
  9792. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9793. /* Restore normal power mode*/
  9794. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9795. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9796. /* HW reset */
  9797. bnx2x_ext_phy_hw_reset(bp, params->port);
  9798. bnx2x_wait_reset_complete(bp, phy, params);
  9799. bnx2x_cl45_write(bp, phy,
  9800. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9801. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9802. bnx2x_cl45_write(bp, phy,
  9803. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9804. bnx2x_ext_phy_set_pause(params, phy, vars);
  9805. /* Restart autoneg */
  9806. bnx2x_cl45_read(bp, phy,
  9807. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9808. val |= 0x200;
  9809. bnx2x_cl45_write(bp, phy,
  9810. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9811. /* Save spirom version */
  9812. bnx2x_cl45_read(bp, phy,
  9813. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9814. bnx2x_cl45_read(bp, phy,
  9815. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9816. bnx2x_save_spirom_version(bp, params->port,
  9817. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9818. return 0;
  9819. }
  9820. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9821. struct link_params *params,
  9822. struct link_vars *vars)
  9823. {
  9824. struct bnx2x *bp = params->bp;
  9825. u8 link_up;
  9826. u16 val1, val2;
  9827. bnx2x_cl45_read(bp, phy,
  9828. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9829. bnx2x_cl45_read(bp, phy,
  9830. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9831. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9832. val2, val1);
  9833. bnx2x_cl45_read(bp, phy,
  9834. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9835. bnx2x_cl45_read(bp, phy,
  9836. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9837. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9838. val2, val1);
  9839. link_up = ((val1 & 4) == 4);
  9840. /* If link is up print the AN outcome of the SFX7101 PHY */
  9841. if (link_up) {
  9842. bnx2x_cl45_read(bp, phy,
  9843. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9844. &val2);
  9845. vars->line_speed = SPEED_10000;
  9846. vars->duplex = DUPLEX_FULL;
  9847. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9848. val2, (val2 & (1<<14)));
  9849. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9850. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9851. /* Read LP advertised speeds */
  9852. if (val2 & (1<<11))
  9853. vars->link_status |=
  9854. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9855. }
  9856. return link_up;
  9857. }
  9858. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9859. {
  9860. if (*len < 5)
  9861. return -EINVAL;
  9862. str[0] = (spirom_ver & 0xFF);
  9863. str[1] = (spirom_ver & 0xFF00) >> 8;
  9864. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9865. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9866. str[4] = '\0';
  9867. *len -= 5;
  9868. return 0;
  9869. }
  9870. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9871. {
  9872. u16 val, cnt;
  9873. bnx2x_cl45_read(bp, phy,
  9874. MDIO_PMA_DEVAD,
  9875. MDIO_PMA_REG_7101_RESET, &val);
  9876. for (cnt = 0; cnt < 10; cnt++) {
  9877. msleep(50);
  9878. /* Writes a self-clearing reset */
  9879. bnx2x_cl45_write(bp, phy,
  9880. MDIO_PMA_DEVAD,
  9881. MDIO_PMA_REG_7101_RESET,
  9882. (val | (1<<15)));
  9883. /* Wait for clear */
  9884. bnx2x_cl45_read(bp, phy,
  9885. MDIO_PMA_DEVAD,
  9886. MDIO_PMA_REG_7101_RESET, &val);
  9887. if ((val & (1<<15)) == 0)
  9888. break;
  9889. }
  9890. }
  9891. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9892. struct link_params *params) {
  9893. /* Low power mode is controlled by GPIO 2 */
  9894. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9895. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9896. /* The PHY reset is controlled by GPIO 1 */
  9897. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9898. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9899. }
  9900. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9901. struct link_params *params, u8 mode)
  9902. {
  9903. u16 val = 0;
  9904. struct bnx2x *bp = params->bp;
  9905. switch (mode) {
  9906. case LED_MODE_FRONT_PANEL_OFF:
  9907. case LED_MODE_OFF:
  9908. val = 2;
  9909. break;
  9910. case LED_MODE_ON:
  9911. val = 1;
  9912. break;
  9913. case LED_MODE_OPER:
  9914. val = 0;
  9915. break;
  9916. }
  9917. bnx2x_cl45_write(bp, phy,
  9918. MDIO_PMA_DEVAD,
  9919. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9920. val);
  9921. }
  9922. /******************************************************************/
  9923. /* STATIC PHY DECLARATION */
  9924. /******************************************************************/
  9925. static const struct bnx2x_phy phy_null = {
  9926. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9927. .addr = 0,
  9928. .def_md_devad = 0,
  9929. .flags = FLAGS_INIT_XGXS_FIRST,
  9930. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9931. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9932. .mdio_ctrl = 0,
  9933. .supported = 0,
  9934. .media_type = ETH_PHY_NOT_PRESENT,
  9935. .ver_addr = 0,
  9936. .req_flow_ctrl = 0,
  9937. .req_line_speed = 0,
  9938. .speed_cap_mask = 0,
  9939. .req_duplex = 0,
  9940. .rsrv = 0,
  9941. .config_init = (config_init_t)NULL,
  9942. .read_status = (read_status_t)NULL,
  9943. .link_reset = (link_reset_t)NULL,
  9944. .config_loopback = (config_loopback_t)NULL,
  9945. .format_fw_ver = (format_fw_ver_t)NULL,
  9946. .hw_reset = (hw_reset_t)NULL,
  9947. .set_link_led = (set_link_led_t)NULL,
  9948. .phy_specific_func = (phy_specific_func_t)NULL
  9949. };
  9950. static const struct bnx2x_phy phy_serdes = {
  9951. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9952. .addr = 0xff,
  9953. .def_md_devad = 0,
  9954. .flags = 0,
  9955. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9956. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9957. .mdio_ctrl = 0,
  9958. .supported = (SUPPORTED_10baseT_Half |
  9959. SUPPORTED_10baseT_Full |
  9960. SUPPORTED_100baseT_Half |
  9961. SUPPORTED_100baseT_Full |
  9962. SUPPORTED_1000baseT_Full |
  9963. SUPPORTED_2500baseX_Full |
  9964. SUPPORTED_TP |
  9965. SUPPORTED_Autoneg |
  9966. SUPPORTED_Pause |
  9967. SUPPORTED_Asym_Pause),
  9968. .media_type = ETH_PHY_BASE_T,
  9969. .ver_addr = 0,
  9970. .req_flow_ctrl = 0,
  9971. .req_line_speed = 0,
  9972. .speed_cap_mask = 0,
  9973. .req_duplex = 0,
  9974. .rsrv = 0,
  9975. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9976. .read_status = (read_status_t)bnx2x_link_settings_status,
  9977. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9978. .config_loopback = (config_loopback_t)NULL,
  9979. .format_fw_ver = (format_fw_ver_t)NULL,
  9980. .hw_reset = (hw_reset_t)NULL,
  9981. .set_link_led = (set_link_led_t)NULL,
  9982. .phy_specific_func = (phy_specific_func_t)NULL
  9983. };
  9984. static const struct bnx2x_phy phy_xgxs = {
  9985. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9986. .addr = 0xff,
  9987. .def_md_devad = 0,
  9988. .flags = 0,
  9989. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9990. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9991. .mdio_ctrl = 0,
  9992. .supported = (SUPPORTED_10baseT_Half |
  9993. SUPPORTED_10baseT_Full |
  9994. SUPPORTED_100baseT_Half |
  9995. SUPPORTED_100baseT_Full |
  9996. SUPPORTED_1000baseT_Full |
  9997. SUPPORTED_2500baseX_Full |
  9998. SUPPORTED_10000baseT_Full |
  9999. SUPPORTED_FIBRE |
  10000. SUPPORTED_Autoneg |
  10001. SUPPORTED_Pause |
  10002. SUPPORTED_Asym_Pause),
  10003. .media_type = ETH_PHY_CX4,
  10004. .ver_addr = 0,
  10005. .req_flow_ctrl = 0,
  10006. .req_line_speed = 0,
  10007. .speed_cap_mask = 0,
  10008. .req_duplex = 0,
  10009. .rsrv = 0,
  10010. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10011. .read_status = (read_status_t)bnx2x_link_settings_status,
  10012. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10013. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10014. .format_fw_ver = (format_fw_ver_t)NULL,
  10015. .hw_reset = (hw_reset_t)NULL,
  10016. .set_link_led = (set_link_led_t)NULL,
  10017. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10018. };
  10019. static const struct bnx2x_phy phy_warpcore = {
  10020. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10021. .addr = 0xff,
  10022. .def_md_devad = 0,
  10023. .flags = FLAGS_TX_ERROR_CHECK,
  10024. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10025. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10026. .mdio_ctrl = 0,
  10027. .supported = (SUPPORTED_10baseT_Half |
  10028. SUPPORTED_10baseT_Full |
  10029. SUPPORTED_100baseT_Half |
  10030. SUPPORTED_100baseT_Full |
  10031. SUPPORTED_1000baseT_Full |
  10032. SUPPORTED_10000baseT_Full |
  10033. SUPPORTED_20000baseKR2_Full |
  10034. SUPPORTED_20000baseMLD2_Full |
  10035. SUPPORTED_FIBRE |
  10036. SUPPORTED_Autoneg |
  10037. SUPPORTED_Pause |
  10038. SUPPORTED_Asym_Pause),
  10039. .media_type = ETH_PHY_UNSPECIFIED,
  10040. .ver_addr = 0,
  10041. .req_flow_ctrl = 0,
  10042. .req_line_speed = 0,
  10043. .speed_cap_mask = 0,
  10044. /* req_duplex = */0,
  10045. /* rsrv = */0,
  10046. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10047. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10048. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10049. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10050. .format_fw_ver = (format_fw_ver_t)NULL,
  10051. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10052. .set_link_led = (set_link_led_t)NULL,
  10053. .phy_specific_func = (phy_specific_func_t)NULL
  10054. };
  10055. static const struct bnx2x_phy phy_7101 = {
  10056. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10057. .addr = 0xff,
  10058. .def_md_devad = 0,
  10059. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10060. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10061. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10062. .mdio_ctrl = 0,
  10063. .supported = (SUPPORTED_10000baseT_Full |
  10064. SUPPORTED_TP |
  10065. SUPPORTED_Autoneg |
  10066. SUPPORTED_Pause |
  10067. SUPPORTED_Asym_Pause),
  10068. .media_type = ETH_PHY_BASE_T,
  10069. .ver_addr = 0,
  10070. .req_flow_ctrl = 0,
  10071. .req_line_speed = 0,
  10072. .speed_cap_mask = 0,
  10073. .req_duplex = 0,
  10074. .rsrv = 0,
  10075. .config_init = (config_init_t)bnx2x_7101_config_init,
  10076. .read_status = (read_status_t)bnx2x_7101_read_status,
  10077. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10078. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10079. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10080. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10081. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10082. .phy_specific_func = (phy_specific_func_t)NULL
  10083. };
  10084. static const struct bnx2x_phy phy_8073 = {
  10085. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10086. .addr = 0xff,
  10087. .def_md_devad = 0,
  10088. .flags = 0,
  10089. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10090. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10091. .mdio_ctrl = 0,
  10092. .supported = (SUPPORTED_10000baseT_Full |
  10093. SUPPORTED_2500baseX_Full |
  10094. SUPPORTED_1000baseT_Full |
  10095. SUPPORTED_FIBRE |
  10096. SUPPORTED_Autoneg |
  10097. SUPPORTED_Pause |
  10098. SUPPORTED_Asym_Pause),
  10099. .media_type = ETH_PHY_KR,
  10100. .ver_addr = 0,
  10101. .req_flow_ctrl = 0,
  10102. .req_line_speed = 0,
  10103. .speed_cap_mask = 0,
  10104. .req_duplex = 0,
  10105. .rsrv = 0,
  10106. .config_init = (config_init_t)bnx2x_8073_config_init,
  10107. .read_status = (read_status_t)bnx2x_8073_read_status,
  10108. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10109. .config_loopback = (config_loopback_t)NULL,
  10110. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10111. .hw_reset = (hw_reset_t)NULL,
  10112. .set_link_led = (set_link_led_t)NULL,
  10113. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10114. };
  10115. static const struct bnx2x_phy phy_8705 = {
  10116. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10117. .addr = 0xff,
  10118. .def_md_devad = 0,
  10119. .flags = FLAGS_INIT_XGXS_FIRST,
  10120. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10121. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10122. .mdio_ctrl = 0,
  10123. .supported = (SUPPORTED_10000baseT_Full |
  10124. SUPPORTED_FIBRE |
  10125. SUPPORTED_Pause |
  10126. SUPPORTED_Asym_Pause),
  10127. .media_type = ETH_PHY_XFP_FIBER,
  10128. .ver_addr = 0,
  10129. .req_flow_ctrl = 0,
  10130. .req_line_speed = 0,
  10131. .speed_cap_mask = 0,
  10132. .req_duplex = 0,
  10133. .rsrv = 0,
  10134. .config_init = (config_init_t)bnx2x_8705_config_init,
  10135. .read_status = (read_status_t)bnx2x_8705_read_status,
  10136. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10137. .config_loopback = (config_loopback_t)NULL,
  10138. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10139. .hw_reset = (hw_reset_t)NULL,
  10140. .set_link_led = (set_link_led_t)NULL,
  10141. .phy_specific_func = (phy_specific_func_t)NULL
  10142. };
  10143. static const struct bnx2x_phy phy_8706 = {
  10144. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10145. .addr = 0xff,
  10146. .def_md_devad = 0,
  10147. .flags = FLAGS_INIT_XGXS_FIRST,
  10148. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10149. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10150. .mdio_ctrl = 0,
  10151. .supported = (SUPPORTED_10000baseT_Full |
  10152. SUPPORTED_1000baseT_Full |
  10153. SUPPORTED_FIBRE |
  10154. SUPPORTED_Pause |
  10155. SUPPORTED_Asym_Pause),
  10156. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10157. .ver_addr = 0,
  10158. .req_flow_ctrl = 0,
  10159. .req_line_speed = 0,
  10160. .speed_cap_mask = 0,
  10161. .req_duplex = 0,
  10162. .rsrv = 0,
  10163. .config_init = (config_init_t)bnx2x_8706_config_init,
  10164. .read_status = (read_status_t)bnx2x_8706_read_status,
  10165. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10166. .config_loopback = (config_loopback_t)NULL,
  10167. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10168. .hw_reset = (hw_reset_t)NULL,
  10169. .set_link_led = (set_link_led_t)NULL,
  10170. .phy_specific_func = (phy_specific_func_t)NULL
  10171. };
  10172. static const struct bnx2x_phy phy_8726 = {
  10173. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10174. .addr = 0xff,
  10175. .def_md_devad = 0,
  10176. .flags = (FLAGS_INIT_XGXS_FIRST |
  10177. FLAGS_TX_ERROR_CHECK),
  10178. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10179. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10180. .mdio_ctrl = 0,
  10181. .supported = (SUPPORTED_10000baseT_Full |
  10182. SUPPORTED_1000baseT_Full |
  10183. SUPPORTED_Autoneg |
  10184. SUPPORTED_FIBRE |
  10185. SUPPORTED_Pause |
  10186. SUPPORTED_Asym_Pause),
  10187. .media_type = ETH_PHY_NOT_PRESENT,
  10188. .ver_addr = 0,
  10189. .req_flow_ctrl = 0,
  10190. .req_line_speed = 0,
  10191. .speed_cap_mask = 0,
  10192. .req_duplex = 0,
  10193. .rsrv = 0,
  10194. .config_init = (config_init_t)bnx2x_8726_config_init,
  10195. .read_status = (read_status_t)bnx2x_8726_read_status,
  10196. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10197. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10198. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10199. .hw_reset = (hw_reset_t)NULL,
  10200. .set_link_led = (set_link_led_t)NULL,
  10201. .phy_specific_func = (phy_specific_func_t)NULL
  10202. };
  10203. static const struct bnx2x_phy phy_8727 = {
  10204. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10205. .addr = 0xff,
  10206. .def_md_devad = 0,
  10207. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10208. FLAGS_TX_ERROR_CHECK),
  10209. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10210. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10211. .mdio_ctrl = 0,
  10212. .supported = (SUPPORTED_10000baseT_Full |
  10213. SUPPORTED_1000baseT_Full |
  10214. SUPPORTED_FIBRE |
  10215. SUPPORTED_Pause |
  10216. SUPPORTED_Asym_Pause),
  10217. .media_type = ETH_PHY_NOT_PRESENT,
  10218. .ver_addr = 0,
  10219. .req_flow_ctrl = 0,
  10220. .req_line_speed = 0,
  10221. .speed_cap_mask = 0,
  10222. .req_duplex = 0,
  10223. .rsrv = 0,
  10224. .config_init = (config_init_t)bnx2x_8727_config_init,
  10225. .read_status = (read_status_t)bnx2x_8727_read_status,
  10226. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10227. .config_loopback = (config_loopback_t)NULL,
  10228. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10229. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10230. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10231. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10232. };
  10233. static const struct bnx2x_phy phy_8481 = {
  10234. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10235. .addr = 0xff,
  10236. .def_md_devad = 0,
  10237. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10238. FLAGS_REARM_LATCH_SIGNAL,
  10239. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10240. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10241. .mdio_ctrl = 0,
  10242. .supported = (SUPPORTED_10baseT_Half |
  10243. SUPPORTED_10baseT_Full |
  10244. SUPPORTED_100baseT_Half |
  10245. SUPPORTED_100baseT_Full |
  10246. SUPPORTED_1000baseT_Full |
  10247. SUPPORTED_10000baseT_Full |
  10248. SUPPORTED_TP |
  10249. SUPPORTED_Autoneg |
  10250. SUPPORTED_Pause |
  10251. SUPPORTED_Asym_Pause),
  10252. .media_type = ETH_PHY_BASE_T,
  10253. .ver_addr = 0,
  10254. .req_flow_ctrl = 0,
  10255. .req_line_speed = 0,
  10256. .speed_cap_mask = 0,
  10257. .req_duplex = 0,
  10258. .rsrv = 0,
  10259. .config_init = (config_init_t)bnx2x_8481_config_init,
  10260. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10261. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10262. .config_loopback = (config_loopback_t)NULL,
  10263. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10264. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10265. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10266. .phy_specific_func = (phy_specific_func_t)NULL
  10267. };
  10268. static const struct bnx2x_phy phy_84823 = {
  10269. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10270. .addr = 0xff,
  10271. .def_md_devad = 0,
  10272. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10273. FLAGS_REARM_LATCH_SIGNAL |
  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_10baseT_Half |
  10279. SUPPORTED_10baseT_Full |
  10280. SUPPORTED_100baseT_Half |
  10281. SUPPORTED_100baseT_Full |
  10282. SUPPORTED_1000baseT_Full |
  10283. SUPPORTED_10000baseT_Full |
  10284. SUPPORTED_TP |
  10285. SUPPORTED_Autoneg |
  10286. SUPPORTED_Pause |
  10287. SUPPORTED_Asym_Pause),
  10288. .media_type = ETH_PHY_BASE_T,
  10289. .ver_addr = 0,
  10290. .req_flow_ctrl = 0,
  10291. .req_line_speed = 0,
  10292. .speed_cap_mask = 0,
  10293. .req_duplex = 0,
  10294. .rsrv = 0,
  10295. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10296. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10297. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10298. .config_loopback = (config_loopback_t)NULL,
  10299. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10300. .hw_reset = (hw_reset_t)NULL,
  10301. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10302. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10303. };
  10304. static const struct bnx2x_phy phy_84833 = {
  10305. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10306. .addr = 0xff,
  10307. .def_md_devad = 0,
  10308. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10309. FLAGS_REARM_LATCH_SIGNAL |
  10310. FLAGS_TX_ERROR_CHECK),
  10311. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10312. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10313. .mdio_ctrl = 0,
  10314. .supported = (SUPPORTED_100baseT_Half |
  10315. SUPPORTED_100baseT_Full |
  10316. SUPPORTED_1000baseT_Full |
  10317. SUPPORTED_10000baseT_Full |
  10318. SUPPORTED_TP |
  10319. SUPPORTED_Autoneg |
  10320. SUPPORTED_Pause |
  10321. SUPPORTED_Asym_Pause),
  10322. .media_type = ETH_PHY_BASE_T,
  10323. .ver_addr = 0,
  10324. .req_flow_ctrl = 0,
  10325. .req_line_speed = 0,
  10326. .speed_cap_mask = 0,
  10327. .req_duplex = 0,
  10328. .rsrv = 0,
  10329. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10330. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10331. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10332. .config_loopback = (config_loopback_t)NULL,
  10333. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10334. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10335. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10336. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10337. };
  10338. static const struct bnx2x_phy phy_84834 = {
  10339. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10340. .addr = 0xff,
  10341. .def_md_devad = 0,
  10342. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10343. FLAGS_REARM_LATCH_SIGNAL,
  10344. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10345. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10346. .mdio_ctrl = 0,
  10347. .supported = (SUPPORTED_100baseT_Half |
  10348. SUPPORTED_100baseT_Full |
  10349. SUPPORTED_1000baseT_Full |
  10350. SUPPORTED_10000baseT_Full |
  10351. SUPPORTED_TP |
  10352. SUPPORTED_Autoneg |
  10353. SUPPORTED_Pause |
  10354. SUPPORTED_Asym_Pause),
  10355. .media_type = ETH_PHY_BASE_T,
  10356. .ver_addr = 0,
  10357. .req_flow_ctrl = 0,
  10358. .req_line_speed = 0,
  10359. .speed_cap_mask = 0,
  10360. .req_duplex = 0,
  10361. .rsrv = 0,
  10362. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10363. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10364. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10365. .config_loopback = (config_loopback_t)NULL,
  10366. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10367. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10368. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10369. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10370. };
  10371. static const struct bnx2x_phy phy_54618se = {
  10372. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10373. .addr = 0xff,
  10374. .def_md_devad = 0,
  10375. .flags = FLAGS_INIT_XGXS_FIRST,
  10376. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10377. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10378. .mdio_ctrl = 0,
  10379. .supported = (SUPPORTED_10baseT_Half |
  10380. SUPPORTED_10baseT_Full |
  10381. SUPPORTED_100baseT_Half |
  10382. SUPPORTED_100baseT_Full |
  10383. SUPPORTED_1000baseT_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_54618se_config_init,
  10396. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10397. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10398. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10399. .format_fw_ver = (format_fw_ver_t)NULL,
  10400. .hw_reset = (hw_reset_t)NULL,
  10401. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10402. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10403. };
  10404. /*****************************************************************/
  10405. /* */
  10406. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10407. /* */
  10408. /*****************************************************************/
  10409. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10410. struct bnx2x_phy *phy, u8 port,
  10411. u8 phy_index)
  10412. {
  10413. /* Get the 4 lanes xgxs config rx and tx */
  10414. u32 rx = 0, tx = 0, i;
  10415. for (i = 0; i < 2; i++) {
  10416. /* INT_PHY and EXT_PHY1 share the same value location in
  10417. * the shmem. When num_phys is greater than 1, than this value
  10418. * applies only to EXT_PHY1
  10419. */
  10420. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10421. rx = REG_RD(bp, shmem_base +
  10422. offsetof(struct shmem_region,
  10423. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10424. tx = REG_RD(bp, shmem_base +
  10425. offsetof(struct shmem_region,
  10426. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10427. } else {
  10428. rx = REG_RD(bp, shmem_base +
  10429. offsetof(struct shmem_region,
  10430. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10431. tx = REG_RD(bp, shmem_base +
  10432. offsetof(struct shmem_region,
  10433. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10434. }
  10435. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10436. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10437. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10438. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10439. }
  10440. }
  10441. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10442. u8 phy_index, u8 port)
  10443. {
  10444. u32 ext_phy_config = 0;
  10445. switch (phy_index) {
  10446. case EXT_PHY1:
  10447. ext_phy_config = REG_RD(bp, shmem_base +
  10448. offsetof(struct shmem_region,
  10449. dev_info.port_hw_config[port].external_phy_config));
  10450. break;
  10451. case EXT_PHY2:
  10452. ext_phy_config = REG_RD(bp, shmem_base +
  10453. offsetof(struct shmem_region,
  10454. dev_info.port_hw_config[port].external_phy_config2));
  10455. break;
  10456. default:
  10457. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10458. return -EINVAL;
  10459. }
  10460. return ext_phy_config;
  10461. }
  10462. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10463. struct bnx2x_phy *phy)
  10464. {
  10465. u32 phy_addr;
  10466. u32 chip_id;
  10467. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10468. offsetof(struct shmem_region,
  10469. dev_info.port_feature_config[port].link_config)) &
  10470. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10471. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10472. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10473. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10474. if (USES_WARPCORE(bp)) {
  10475. u32 serdes_net_if;
  10476. phy_addr = REG_RD(bp,
  10477. MISC_REG_WC0_CTRL_PHY_ADDR);
  10478. *phy = phy_warpcore;
  10479. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10480. phy->flags |= FLAGS_4_PORT_MODE;
  10481. else
  10482. phy->flags &= ~FLAGS_4_PORT_MODE;
  10483. /* Check Dual mode */
  10484. serdes_net_if = (REG_RD(bp, shmem_base +
  10485. offsetof(struct shmem_region, dev_info.
  10486. port_hw_config[port].default_cfg)) &
  10487. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10488. /* Set the appropriate supported and flags indications per
  10489. * interface type of the chip
  10490. */
  10491. switch (serdes_net_if) {
  10492. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10493. phy->supported &= (SUPPORTED_10baseT_Half |
  10494. SUPPORTED_10baseT_Full |
  10495. SUPPORTED_100baseT_Half |
  10496. SUPPORTED_100baseT_Full |
  10497. SUPPORTED_1000baseT_Full |
  10498. SUPPORTED_FIBRE |
  10499. SUPPORTED_Autoneg |
  10500. SUPPORTED_Pause |
  10501. SUPPORTED_Asym_Pause);
  10502. phy->media_type = ETH_PHY_BASE_T;
  10503. break;
  10504. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10505. phy->supported &= (SUPPORTED_1000baseT_Full |
  10506. SUPPORTED_10000baseT_Full |
  10507. SUPPORTED_FIBRE |
  10508. SUPPORTED_Pause |
  10509. SUPPORTED_Asym_Pause);
  10510. phy->media_type = ETH_PHY_XFP_FIBER;
  10511. break;
  10512. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10513. phy->supported &= (SUPPORTED_1000baseT_Full |
  10514. SUPPORTED_10000baseT_Full |
  10515. SUPPORTED_FIBRE |
  10516. SUPPORTED_Pause |
  10517. SUPPORTED_Asym_Pause);
  10518. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10519. break;
  10520. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10521. phy->media_type = ETH_PHY_KR;
  10522. phy->supported &= (SUPPORTED_1000baseT_Full |
  10523. SUPPORTED_10000baseT_Full |
  10524. SUPPORTED_FIBRE |
  10525. SUPPORTED_Autoneg |
  10526. SUPPORTED_Pause |
  10527. SUPPORTED_Asym_Pause);
  10528. break;
  10529. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10530. phy->media_type = ETH_PHY_KR;
  10531. phy->flags |= FLAGS_WC_DUAL_MODE;
  10532. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10533. SUPPORTED_FIBRE |
  10534. SUPPORTED_Pause |
  10535. SUPPORTED_Asym_Pause);
  10536. break;
  10537. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10538. phy->media_type = ETH_PHY_KR;
  10539. phy->flags |= FLAGS_WC_DUAL_MODE;
  10540. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10541. SUPPORTED_10000baseT_Full |
  10542. SUPPORTED_1000baseT_Full |
  10543. SUPPORTED_Autoneg |
  10544. SUPPORTED_FIBRE |
  10545. SUPPORTED_Pause |
  10546. SUPPORTED_Asym_Pause);
  10547. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10548. break;
  10549. default:
  10550. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10551. serdes_net_if);
  10552. break;
  10553. }
  10554. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10555. * was not set as expected. For B0, ECO will be enabled so there
  10556. * won't be an issue there
  10557. */
  10558. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10559. phy->flags |= FLAGS_MDC_MDIO_WA;
  10560. else
  10561. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10562. } else {
  10563. switch (switch_cfg) {
  10564. case SWITCH_CFG_1G:
  10565. phy_addr = REG_RD(bp,
  10566. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10567. port * 0x10);
  10568. *phy = phy_serdes;
  10569. break;
  10570. case SWITCH_CFG_10G:
  10571. phy_addr = REG_RD(bp,
  10572. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10573. port * 0x18);
  10574. *phy = phy_xgxs;
  10575. break;
  10576. default:
  10577. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10578. return -EINVAL;
  10579. }
  10580. }
  10581. phy->addr = (u8)phy_addr;
  10582. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10583. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10584. port);
  10585. if (CHIP_IS_E2(bp))
  10586. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10587. else
  10588. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10589. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10590. port, phy->addr, phy->mdio_ctrl);
  10591. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10592. return 0;
  10593. }
  10594. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10595. u8 phy_index,
  10596. u32 shmem_base,
  10597. u32 shmem2_base,
  10598. u8 port,
  10599. struct bnx2x_phy *phy)
  10600. {
  10601. u32 ext_phy_config, phy_type, config2;
  10602. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10603. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10604. phy_index, port);
  10605. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10606. /* Select the phy type */
  10607. switch (phy_type) {
  10608. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10609. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10610. *phy = phy_8073;
  10611. break;
  10612. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10613. *phy = phy_8705;
  10614. break;
  10615. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10616. *phy = phy_8706;
  10617. break;
  10618. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10619. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10620. *phy = phy_8726;
  10621. break;
  10622. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10623. /* BCM8727_NOC => BCM8727 no over current */
  10624. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10625. *phy = phy_8727;
  10626. phy->flags |= FLAGS_NOC;
  10627. break;
  10628. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10629. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10630. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10631. *phy = phy_8727;
  10632. break;
  10633. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10634. *phy = phy_8481;
  10635. break;
  10636. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10637. *phy = phy_84823;
  10638. break;
  10639. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10640. *phy = phy_84833;
  10641. break;
  10642. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10643. *phy = phy_84834;
  10644. break;
  10645. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10646. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10647. *phy = phy_54618se;
  10648. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10649. phy->flags |= FLAGS_EEE;
  10650. break;
  10651. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10652. *phy = phy_7101;
  10653. break;
  10654. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10655. *phy = phy_null;
  10656. return -EINVAL;
  10657. default:
  10658. *phy = phy_null;
  10659. /* In case external PHY wasn't found */
  10660. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10661. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10662. return -EINVAL;
  10663. return 0;
  10664. }
  10665. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10666. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10667. /* The shmem address of the phy version is located on different
  10668. * structures. In case this structure is too old, do not set
  10669. * the address
  10670. */
  10671. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10672. dev_info.shared_hw_config.config2));
  10673. if (phy_index == EXT_PHY1) {
  10674. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10675. port_mb[port].ext_phy_fw_version);
  10676. /* Check specific mdc mdio settings */
  10677. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10678. mdc_mdio_access = config2 &
  10679. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10680. } else {
  10681. u32 size = REG_RD(bp, shmem2_base);
  10682. if (size >
  10683. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10684. phy->ver_addr = shmem2_base +
  10685. offsetof(struct shmem2_region,
  10686. ext_phy_fw_version2[port]);
  10687. }
  10688. /* Check specific mdc mdio settings */
  10689. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10690. mdc_mdio_access = (config2 &
  10691. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10692. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10693. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10694. }
  10695. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10696. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10697. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10698. (phy->ver_addr)) {
  10699. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10700. * version lower than or equal to 1.39
  10701. */
  10702. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10703. if (((raw_ver & 0x7F) <= 39) &&
  10704. (((raw_ver & 0xF80) >> 7) <= 1))
  10705. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10706. SUPPORTED_100baseT_Full);
  10707. }
  10708. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10709. phy_type, port, phy_index);
  10710. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10711. phy->addr, phy->mdio_ctrl);
  10712. return 0;
  10713. }
  10714. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10715. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10716. {
  10717. int status = 0;
  10718. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10719. if (phy_index == INT_PHY)
  10720. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10721. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10722. port, phy);
  10723. return status;
  10724. }
  10725. static void bnx2x_phy_def_cfg(struct link_params *params,
  10726. struct bnx2x_phy *phy,
  10727. u8 phy_index)
  10728. {
  10729. struct bnx2x *bp = params->bp;
  10730. u32 link_config;
  10731. /* Populate the default phy configuration for MF mode */
  10732. if (phy_index == EXT_PHY2) {
  10733. link_config = REG_RD(bp, params->shmem_base +
  10734. offsetof(struct shmem_region, dev_info.
  10735. port_feature_config[params->port].link_config2));
  10736. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10737. offsetof(struct shmem_region,
  10738. dev_info.
  10739. port_hw_config[params->port].speed_capability_mask2));
  10740. } else {
  10741. link_config = REG_RD(bp, params->shmem_base +
  10742. offsetof(struct shmem_region, dev_info.
  10743. port_feature_config[params->port].link_config));
  10744. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10745. offsetof(struct shmem_region,
  10746. dev_info.
  10747. port_hw_config[params->port].speed_capability_mask));
  10748. }
  10749. DP(NETIF_MSG_LINK,
  10750. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10751. phy_index, link_config, phy->speed_cap_mask);
  10752. phy->req_duplex = DUPLEX_FULL;
  10753. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10754. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10755. phy->req_duplex = DUPLEX_HALF;
  10756. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10757. phy->req_line_speed = SPEED_10;
  10758. break;
  10759. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10760. phy->req_duplex = DUPLEX_HALF;
  10761. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10762. phy->req_line_speed = SPEED_100;
  10763. break;
  10764. case PORT_FEATURE_LINK_SPEED_1G:
  10765. phy->req_line_speed = SPEED_1000;
  10766. break;
  10767. case PORT_FEATURE_LINK_SPEED_2_5G:
  10768. phy->req_line_speed = SPEED_2500;
  10769. break;
  10770. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10771. phy->req_line_speed = SPEED_10000;
  10772. break;
  10773. default:
  10774. phy->req_line_speed = SPEED_AUTO_NEG;
  10775. break;
  10776. }
  10777. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10778. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10779. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10780. break;
  10781. case PORT_FEATURE_FLOW_CONTROL_TX:
  10782. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10783. break;
  10784. case PORT_FEATURE_FLOW_CONTROL_RX:
  10785. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10786. break;
  10787. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10788. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10789. break;
  10790. default:
  10791. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10792. break;
  10793. }
  10794. }
  10795. u32 bnx2x_phy_selection(struct link_params *params)
  10796. {
  10797. u32 phy_config_swapped, prio_cfg;
  10798. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10799. phy_config_swapped = params->multi_phy_config &
  10800. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10801. prio_cfg = params->multi_phy_config &
  10802. PORT_HW_CFG_PHY_SELECTION_MASK;
  10803. if (phy_config_swapped) {
  10804. switch (prio_cfg) {
  10805. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10806. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10807. break;
  10808. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10809. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10810. break;
  10811. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10812. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10813. break;
  10814. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10815. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10816. break;
  10817. }
  10818. } else
  10819. return_cfg = prio_cfg;
  10820. return return_cfg;
  10821. }
  10822. int bnx2x_phy_probe(struct link_params *params)
  10823. {
  10824. u8 phy_index, actual_phy_idx;
  10825. u32 phy_config_swapped, sync_offset, media_types;
  10826. struct bnx2x *bp = params->bp;
  10827. struct bnx2x_phy *phy;
  10828. params->num_phys = 0;
  10829. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10830. phy_config_swapped = params->multi_phy_config &
  10831. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10832. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10833. phy_index++) {
  10834. actual_phy_idx = phy_index;
  10835. if (phy_config_swapped) {
  10836. if (phy_index == EXT_PHY1)
  10837. actual_phy_idx = EXT_PHY2;
  10838. else if (phy_index == EXT_PHY2)
  10839. actual_phy_idx = EXT_PHY1;
  10840. }
  10841. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10842. " actual_phy_idx %x\n", phy_config_swapped,
  10843. phy_index, actual_phy_idx);
  10844. phy = &params->phy[actual_phy_idx];
  10845. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10846. params->shmem2_base, params->port,
  10847. phy) != 0) {
  10848. params->num_phys = 0;
  10849. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10850. phy_index);
  10851. for (phy_index = INT_PHY;
  10852. phy_index < MAX_PHYS;
  10853. phy_index++)
  10854. *phy = phy_null;
  10855. return -EINVAL;
  10856. }
  10857. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10858. break;
  10859. if (params->feature_config_flags &
  10860. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10861. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10862. if (!(params->feature_config_flags &
  10863. FEATURE_CONFIG_MT_SUPPORT))
  10864. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10865. sync_offset = params->shmem_base +
  10866. offsetof(struct shmem_region,
  10867. dev_info.port_hw_config[params->port].media_type);
  10868. media_types = REG_RD(bp, sync_offset);
  10869. /* Update media type for non-PMF sync only for the first time
  10870. * In case the media type changes afterwards, it will be updated
  10871. * using the update_status function
  10872. */
  10873. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10874. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10875. actual_phy_idx))) == 0) {
  10876. media_types |= ((phy->media_type &
  10877. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10878. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10879. actual_phy_idx));
  10880. }
  10881. REG_WR(bp, sync_offset, media_types);
  10882. bnx2x_phy_def_cfg(params, phy, phy_index);
  10883. params->num_phys++;
  10884. }
  10885. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10886. return 0;
  10887. }
  10888. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10889. struct link_vars *vars)
  10890. {
  10891. struct bnx2x *bp = params->bp;
  10892. vars->link_up = 1;
  10893. vars->line_speed = SPEED_10000;
  10894. vars->duplex = DUPLEX_FULL;
  10895. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10896. vars->mac_type = MAC_TYPE_BMAC;
  10897. vars->phy_flags = PHY_XGXS_FLAG;
  10898. bnx2x_xgxs_deassert(params);
  10899. /* Set bmac loopback */
  10900. bnx2x_bmac_enable(params, vars, 1, 1);
  10901. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10902. }
  10903. static void bnx2x_init_emac_loopback(struct link_params *params,
  10904. struct link_vars *vars)
  10905. {
  10906. struct bnx2x *bp = params->bp;
  10907. vars->link_up = 1;
  10908. vars->line_speed = SPEED_1000;
  10909. vars->duplex = DUPLEX_FULL;
  10910. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10911. vars->mac_type = MAC_TYPE_EMAC;
  10912. vars->phy_flags = PHY_XGXS_FLAG;
  10913. bnx2x_xgxs_deassert(params);
  10914. /* Set bmac loopback */
  10915. bnx2x_emac_enable(params, vars, 1);
  10916. bnx2x_emac_program(params, vars);
  10917. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10918. }
  10919. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10920. struct link_vars *vars)
  10921. {
  10922. struct bnx2x *bp = params->bp;
  10923. vars->link_up = 1;
  10924. if (!params->req_line_speed[0])
  10925. vars->line_speed = SPEED_10000;
  10926. else
  10927. vars->line_speed = params->req_line_speed[0];
  10928. vars->duplex = DUPLEX_FULL;
  10929. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10930. vars->mac_type = MAC_TYPE_XMAC;
  10931. vars->phy_flags = PHY_XGXS_FLAG;
  10932. /* Set WC to loopback mode since link is required to provide clock
  10933. * to the XMAC in 20G mode
  10934. */
  10935. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10936. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10937. params->phy[INT_PHY].config_loopback(
  10938. &params->phy[INT_PHY],
  10939. params);
  10940. bnx2x_xmac_enable(params, vars, 1);
  10941. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10942. }
  10943. static void bnx2x_init_umac_loopback(struct link_params *params,
  10944. struct link_vars *vars)
  10945. {
  10946. struct bnx2x *bp = params->bp;
  10947. vars->link_up = 1;
  10948. vars->line_speed = SPEED_1000;
  10949. vars->duplex = DUPLEX_FULL;
  10950. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10951. vars->mac_type = MAC_TYPE_UMAC;
  10952. vars->phy_flags = PHY_XGXS_FLAG;
  10953. bnx2x_umac_enable(params, vars, 1);
  10954. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10955. }
  10956. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10957. struct link_vars *vars)
  10958. {
  10959. struct bnx2x *bp = params->bp;
  10960. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10961. vars->link_up = 1;
  10962. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10963. vars->duplex = DUPLEX_FULL;
  10964. if (params->req_line_speed[0] == SPEED_1000)
  10965. vars->line_speed = SPEED_1000;
  10966. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10967. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10968. vars->line_speed = SPEED_20000;
  10969. else
  10970. vars->line_speed = SPEED_10000;
  10971. if (!USES_WARPCORE(bp))
  10972. bnx2x_xgxs_deassert(params);
  10973. bnx2x_link_initialize(params, vars);
  10974. if (params->req_line_speed[0] == SPEED_1000) {
  10975. if (USES_WARPCORE(bp))
  10976. bnx2x_umac_enable(params, vars, 0);
  10977. else {
  10978. bnx2x_emac_program(params, vars);
  10979. bnx2x_emac_enable(params, vars, 0);
  10980. }
  10981. } else {
  10982. if (USES_WARPCORE(bp))
  10983. bnx2x_xmac_enable(params, vars, 0);
  10984. else
  10985. bnx2x_bmac_enable(params, vars, 0, 1);
  10986. }
  10987. if (params->loopback_mode == LOOPBACK_XGXS) {
  10988. /* Set 10G XGXS loopback */
  10989. int_phy->config_loopback(int_phy, params);
  10990. } else {
  10991. /* Set external phy loopback */
  10992. u8 phy_index;
  10993. for (phy_index = EXT_PHY1;
  10994. phy_index < params->num_phys; phy_index++)
  10995. if (params->phy[phy_index].config_loopback)
  10996. params->phy[phy_index].config_loopback(
  10997. &params->phy[phy_index],
  10998. params);
  10999. }
  11000. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11001. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11002. }
  11003. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11004. {
  11005. struct bnx2x *bp = params->bp;
  11006. u8 val = en * 0x1F;
  11007. /* Open / close the gate between the NIG and the BRB */
  11008. if (!CHIP_IS_E1x(bp))
  11009. val |= en * 0x20;
  11010. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11011. if (!CHIP_IS_E1(bp)) {
  11012. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11013. en*0x3);
  11014. }
  11015. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11016. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11017. }
  11018. static int bnx2x_avoid_link_flap(struct link_params *params,
  11019. struct link_vars *vars)
  11020. {
  11021. u32 phy_idx;
  11022. u32 dont_clear_stat, lfa_sts;
  11023. struct bnx2x *bp = params->bp;
  11024. /* Sync the link parameters */
  11025. bnx2x_link_status_update(params, vars);
  11026. /*
  11027. * The module verification was already done by previous link owner,
  11028. * so this call is meant only to get warning message
  11029. */
  11030. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11031. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11032. if (phy->phy_specific_func) {
  11033. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11034. phy->phy_specific_func(phy, params, PHY_INIT);
  11035. }
  11036. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11037. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11038. (phy->media_type == ETH_PHY_DA_TWINAX))
  11039. bnx2x_verify_sfp_module(phy, params);
  11040. }
  11041. lfa_sts = REG_RD(bp, params->lfa_base +
  11042. offsetof(struct shmem_lfa,
  11043. lfa_sts));
  11044. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11045. /* Re-enable the NIG/MAC */
  11046. if (CHIP_IS_E3(bp)) {
  11047. if (!dont_clear_stat) {
  11048. REG_WR(bp, GRCBASE_MISC +
  11049. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11050. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11051. params->port));
  11052. REG_WR(bp, GRCBASE_MISC +
  11053. MISC_REGISTERS_RESET_REG_2_SET,
  11054. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11055. params->port));
  11056. }
  11057. if (vars->line_speed < SPEED_10000)
  11058. bnx2x_umac_enable(params, vars, 0);
  11059. else
  11060. bnx2x_xmac_enable(params, vars, 0);
  11061. } else {
  11062. if (vars->line_speed < SPEED_10000)
  11063. bnx2x_emac_enable(params, vars, 0);
  11064. else
  11065. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11066. }
  11067. /* Increment LFA count */
  11068. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11069. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11070. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11071. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11072. /* Clear link flap reason */
  11073. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11074. REG_WR(bp, params->lfa_base +
  11075. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11076. /* Disable NIG DRAIN */
  11077. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11078. /* Enable interrupts */
  11079. bnx2x_link_int_enable(params);
  11080. return 0;
  11081. }
  11082. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11083. struct link_vars *vars,
  11084. int lfa_status)
  11085. {
  11086. u32 lfa_sts, cfg_idx, tmp_val;
  11087. struct bnx2x *bp = params->bp;
  11088. bnx2x_link_reset(params, vars, 1);
  11089. if (!params->lfa_base)
  11090. return;
  11091. /* Store the new link parameters */
  11092. REG_WR(bp, params->lfa_base +
  11093. offsetof(struct shmem_lfa, req_duplex),
  11094. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11095. REG_WR(bp, params->lfa_base +
  11096. offsetof(struct shmem_lfa, req_flow_ctrl),
  11097. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11098. REG_WR(bp, params->lfa_base +
  11099. offsetof(struct shmem_lfa, req_line_speed),
  11100. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11101. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11102. REG_WR(bp, params->lfa_base +
  11103. offsetof(struct shmem_lfa,
  11104. speed_cap_mask[cfg_idx]),
  11105. params->speed_cap_mask[cfg_idx]);
  11106. }
  11107. tmp_val = REG_RD(bp, params->lfa_base +
  11108. offsetof(struct shmem_lfa, additional_config));
  11109. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11110. tmp_val |= params->req_fc_auto_adv;
  11111. REG_WR(bp, params->lfa_base +
  11112. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11113. lfa_sts = REG_RD(bp, params->lfa_base +
  11114. offsetof(struct shmem_lfa, lfa_sts));
  11115. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11116. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11117. /* Set link flap reason */
  11118. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11119. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11120. LFA_LINK_FLAP_REASON_OFFSET);
  11121. /* Increment link flap counter */
  11122. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11123. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11124. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11125. << LINK_FLAP_COUNT_OFFSET));
  11126. REG_WR(bp, params->lfa_base +
  11127. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11128. /* Proceed with regular link initialization */
  11129. }
  11130. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11131. {
  11132. int lfa_status;
  11133. struct bnx2x *bp = params->bp;
  11134. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11135. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11136. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11137. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11138. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11139. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11140. vars->link_status = 0;
  11141. vars->phy_link_up = 0;
  11142. vars->link_up = 0;
  11143. vars->line_speed = 0;
  11144. vars->duplex = DUPLEX_FULL;
  11145. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11146. vars->mac_type = MAC_TYPE_NONE;
  11147. vars->phy_flags = 0;
  11148. vars->check_kr2_recovery_cnt = 0;
  11149. params->link_flags = PHY_INITIALIZED;
  11150. /* Driver opens NIG-BRB filters */
  11151. bnx2x_set_rx_filter(params, 1);
  11152. /* Check if link flap can be avoided */
  11153. lfa_status = bnx2x_check_lfa(params);
  11154. if (lfa_status == 0) {
  11155. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11156. return bnx2x_avoid_link_flap(params, vars);
  11157. }
  11158. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11159. lfa_status);
  11160. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11161. /* Disable attentions */
  11162. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11163. (NIG_MASK_XGXS0_LINK_STATUS |
  11164. NIG_MASK_XGXS0_LINK10G |
  11165. NIG_MASK_SERDES0_LINK_STATUS |
  11166. NIG_MASK_MI_INT));
  11167. bnx2x_emac_init(params, vars);
  11168. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11169. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11170. if (params->num_phys == 0) {
  11171. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11172. return -EINVAL;
  11173. }
  11174. set_phy_vars(params, vars);
  11175. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11176. switch (params->loopback_mode) {
  11177. case LOOPBACK_BMAC:
  11178. bnx2x_init_bmac_loopback(params, vars);
  11179. break;
  11180. case LOOPBACK_EMAC:
  11181. bnx2x_init_emac_loopback(params, vars);
  11182. break;
  11183. case LOOPBACK_XMAC:
  11184. bnx2x_init_xmac_loopback(params, vars);
  11185. break;
  11186. case LOOPBACK_UMAC:
  11187. bnx2x_init_umac_loopback(params, vars);
  11188. break;
  11189. case LOOPBACK_XGXS:
  11190. case LOOPBACK_EXT_PHY:
  11191. bnx2x_init_xgxs_loopback(params, vars);
  11192. break;
  11193. default:
  11194. if (!CHIP_IS_E3(bp)) {
  11195. if (params->switch_cfg == SWITCH_CFG_10G)
  11196. bnx2x_xgxs_deassert(params);
  11197. else
  11198. bnx2x_serdes_deassert(bp, params->port);
  11199. }
  11200. bnx2x_link_initialize(params, vars);
  11201. msleep(30);
  11202. bnx2x_link_int_enable(params);
  11203. break;
  11204. }
  11205. bnx2x_update_mng(params, vars->link_status);
  11206. bnx2x_update_mng_eee(params, vars->eee_status);
  11207. return 0;
  11208. }
  11209. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11210. u8 reset_ext_phy)
  11211. {
  11212. struct bnx2x *bp = params->bp;
  11213. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11214. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11215. /* Disable attentions */
  11216. vars->link_status = 0;
  11217. bnx2x_update_mng(params, vars->link_status);
  11218. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11219. SHMEM_EEE_ACTIVE_BIT);
  11220. bnx2x_update_mng_eee(params, vars->eee_status);
  11221. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11222. (NIG_MASK_XGXS0_LINK_STATUS |
  11223. NIG_MASK_XGXS0_LINK10G |
  11224. NIG_MASK_SERDES0_LINK_STATUS |
  11225. NIG_MASK_MI_INT));
  11226. /* Activate nig drain */
  11227. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11228. /* Disable nig egress interface */
  11229. if (!CHIP_IS_E3(bp)) {
  11230. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11231. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11232. }
  11233. if (!CHIP_IS_E3(bp)) {
  11234. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11235. } else {
  11236. bnx2x_set_xmac_rxtx(params, 0);
  11237. bnx2x_set_umac_rxtx(params, 0);
  11238. }
  11239. /* Disable emac */
  11240. if (!CHIP_IS_E3(bp))
  11241. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11242. usleep_range(10000, 20000);
  11243. /* The PHY reset is controlled by GPIO 1
  11244. * Hold it as vars low
  11245. */
  11246. /* Clear link led */
  11247. bnx2x_set_mdio_emac_per_phy(bp, params);
  11248. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11249. if (reset_ext_phy) {
  11250. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11251. phy_index++) {
  11252. if (params->phy[phy_index].link_reset) {
  11253. bnx2x_set_aer_mmd(params,
  11254. &params->phy[phy_index]);
  11255. params->phy[phy_index].link_reset(
  11256. &params->phy[phy_index],
  11257. params);
  11258. }
  11259. if (params->phy[phy_index].flags &
  11260. FLAGS_REARM_LATCH_SIGNAL)
  11261. clear_latch_ind = 1;
  11262. }
  11263. }
  11264. if (clear_latch_ind) {
  11265. /* Clear latching indication */
  11266. bnx2x_rearm_latch_signal(bp, port, 0);
  11267. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11268. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11269. }
  11270. if (params->phy[INT_PHY].link_reset)
  11271. params->phy[INT_PHY].link_reset(
  11272. &params->phy[INT_PHY], params);
  11273. /* Disable nig ingress interface */
  11274. if (!CHIP_IS_E3(bp)) {
  11275. /* Reset BigMac */
  11276. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11277. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11278. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11279. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11280. } else {
  11281. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11282. bnx2x_set_xumac_nig(params, 0, 0);
  11283. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11284. MISC_REGISTERS_RESET_REG_2_XMAC)
  11285. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11286. XMAC_CTRL_REG_SOFT_RESET);
  11287. }
  11288. vars->link_up = 0;
  11289. vars->phy_flags = 0;
  11290. return 0;
  11291. }
  11292. int bnx2x_lfa_reset(struct link_params *params,
  11293. struct link_vars *vars)
  11294. {
  11295. struct bnx2x *bp = params->bp;
  11296. vars->link_up = 0;
  11297. vars->phy_flags = 0;
  11298. params->link_flags &= ~PHY_INITIALIZED;
  11299. if (!params->lfa_base)
  11300. return bnx2x_link_reset(params, vars, 1);
  11301. /*
  11302. * Activate NIG drain so that during this time the device won't send
  11303. * anything while it is unable to response.
  11304. */
  11305. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11306. /*
  11307. * Close gracefully the gate from BMAC to NIG such that no half packets
  11308. * are passed.
  11309. */
  11310. if (!CHIP_IS_E3(bp))
  11311. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11312. if (CHIP_IS_E3(bp)) {
  11313. bnx2x_set_xmac_rxtx(params, 0);
  11314. bnx2x_set_umac_rxtx(params, 0);
  11315. }
  11316. /* Wait 10ms for the pipe to clean up*/
  11317. usleep_range(10000, 20000);
  11318. /* Clean the NIG-BRB using the network filters in a way that will
  11319. * not cut a packet in the middle.
  11320. */
  11321. bnx2x_set_rx_filter(params, 0);
  11322. /*
  11323. * Re-open the gate between the BMAC and the NIG, after verifying the
  11324. * gate to the BRB is closed, otherwise packets may arrive to the
  11325. * firmware before driver had initialized it. The target is to achieve
  11326. * minimum management protocol down time.
  11327. */
  11328. if (!CHIP_IS_E3(bp))
  11329. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11330. if (CHIP_IS_E3(bp)) {
  11331. bnx2x_set_xmac_rxtx(params, 1);
  11332. bnx2x_set_umac_rxtx(params, 1);
  11333. }
  11334. /* Disable NIG drain */
  11335. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11336. return 0;
  11337. }
  11338. /****************************************************************************/
  11339. /* Common function */
  11340. /****************************************************************************/
  11341. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11342. u32 shmem_base_path[],
  11343. u32 shmem2_base_path[], u8 phy_index,
  11344. u32 chip_id)
  11345. {
  11346. struct bnx2x_phy phy[PORT_MAX];
  11347. struct bnx2x_phy *phy_blk[PORT_MAX];
  11348. u16 val;
  11349. s8 port = 0;
  11350. s8 port_of_path = 0;
  11351. u32 swap_val, swap_override;
  11352. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11353. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11354. port ^= (swap_val && swap_override);
  11355. bnx2x_ext_phy_hw_reset(bp, port);
  11356. /* PART1 - Reset both phys */
  11357. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11358. u32 shmem_base, shmem2_base;
  11359. /* In E2, same phy is using for port0 of the two paths */
  11360. if (CHIP_IS_E1x(bp)) {
  11361. shmem_base = shmem_base_path[0];
  11362. shmem2_base = shmem2_base_path[0];
  11363. port_of_path = port;
  11364. } else {
  11365. shmem_base = shmem_base_path[port];
  11366. shmem2_base = shmem2_base_path[port];
  11367. port_of_path = 0;
  11368. }
  11369. /* Extract the ext phy address for the port */
  11370. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11371. port_of_path, &phy[port]) !=
  11372. 0) {
  11373. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11374. return -EINVAL;
  11375. }
  11376. /* Disable attentions */
  11377. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11378. port_of_path*4,
  11379. (NIG_MASK_XGXS0_LINK_STATUS |
  11380. NIG_MASK_XGXS0_LINK10G |
  11381. NIG_MASK_SERDES0_LINK_STATUS |
  11382. NIG_MASK_MI_INT));
  11383. /* Need to take the phy out of low power mode in order
  11384. * to write to access its registers
  11385. */
  11386. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11387. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11388. port);
  11389. /* Reset the phy */
  11390. bnx2x_cl45_write(bp, &phy[port],
  11391. MDIO_PMA_DEVAD,
  11392. MDIO_PMA_REG_CTRL,
  11393. 1<<15);
  11394. }
  11395. /* Add delay of 150ms after reset */
  11396. msleep(150);
  11397. if (phy[PORT_0].addr & 0x1) {
  11398. phy_blk[PORT_0] = &(phy[PORT_1]);
  11399. phy_blk[PORT_1] = &(phy[PORT_0]);
  11400. } else {
  11401. phy_blk[PORT_0] = &(phy[PORT_0]);
  11402. phy_blk[PORT_1] = &(phy[PORT_1]);
  11403. }
  11404. /* PART2 - Download firmware to both phys */
  11405. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11406. if (CHIP_IS_E1x(bp))
  11407. port_of_path = port;
  11408. else
  11409. port_of_path = 0;
  11410. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11411. phy_blk[port]->addr);
  11412. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11413. port_of_path))
  11414. return -EINVAL;
  11415. /* Only set bit 10 = 1 (Tx power down) */
  11416. bnx2x_cl45_read(bp, phy_blk[port],
  11417. MDIO_PMA_DEVAD,
  11418. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11419. /* Phase1 of TX_POWER_DOWN reset */
  11420. bnx2x_cl45_write(bp, phy_blk[port],
  11421. MDIO_PMA_DEVAD,
  11422. MDIO_PMA_REG_TX_POWER_DOWN,
  11423. (val | 1<<10));
  11424. }
  11425. /* Toggle Transmitter: Power down and then up with 600ms delay
  11426. * between
  11427. */
  11428. msleep(600);
  11429. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11430. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11431. /* Phase2 of POWER_DOWN_RESET */
  11432. /* Release bit 10 (Release Tx power down) */
  11433. bnx2x_cl45_read(bp, phy_blk[port],
  11434. MDIO_PMA_DEVAD,
  11435. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11436. bnx2x_cl45_write(bp, phy_blk[port],
  11437. MDIO_PMA_DEVAD,
  11438. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11439. usleep_range(15000, 30000);
  11440. /* Read modify write the SPI-ROM version select register */
  11441. bnx2x_cl45_read(bp, phy_blk[port],
  11442. MDIO_PMA_DEVAD,
  11443. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11444. bnx2x_cl45_write(bp, phy_blk[port],
  11445. MDIO_PMA_DEVAD,
  11446. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11447. /* set GPIO2 back to LOW */
  11448. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11449. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11450. }
  11451. return 0;
  11452. }
  11453. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11454. u32 shmem_base_path[],
  11455. u32 shmem2_base_path[], u8 phy_index,
  11456. u32 chip_id)
  11457. {
  11458. u32 val;
  11459. s8 port;
  11460. struct bnx2x_phy phy;
  11461. /* Use port1 because of the static port-swap */
  11462. /* Enable the module detection interrupt */
  11463. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11464. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11465. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11466. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11467. bnx2x_ext_phy_hw_reset(bp, 0);
  11468. usleep_range(5000, 10000);
  11469. for (port = 0; port < PORT_MAX; port++) {
  11470. u32 shmem_base, shmem2_base;
  11471. /* In E2, same phy is using for port0 of the two paths */
  11472. if (CHIP_IS_E1x(bp)) {
  11473. shmem_base = shmem_base_path[0];
  11474. shmem2_base = shmem2_base_path[0];
  11475. } else {
  11476. shmem_base = shmem_base_path[port];
  11477. shmem2_base = shmem2_base_path[port];
  11478. }
  11479. /* Extract the ext phy address for the port */
  11480. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11481. port, &phy) !=
  11482. 0) {
  11483. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11484. return -EINVAL;
  11485. }
  11486. /* Reset phy*/
  11487. bnx2x_cl45_write(bp, &phy,
  11488. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11489. /* Set fault module detected LED on */
  11490. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11491. MISC_REGISTERS_GPIO_HIGH,
  11492. port);
  11493. }
  11494. return 0;
  11495. }
  11496. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11497. u8 *io_gpio, u8 *io_port)
  11498. {
  11499. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11500. offsetof(struct shmem_region,
  11501. dev_info.port_hw_config[PORT_0].default_cfg));
  11502. switch (phy_gpio_reset) {
  11503. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11504. *io_gpio = 0;
  11505. *io_port = 0;
  11506. break;
  11507. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11508. *io_gpio = 1;
  11509. *io_port = 0;
  11510. break;
  11511. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11512. *io_gpio = 2;
  11513. *io_port = 0;
  11514. break;
  11515. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11516. *io_gpio = 3;
  11517. *io_port = 0;
  11518. break;
  11519. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11520. *io_gpio = 0;
  11521. *io_port = 1;
  11522. break;
  11523. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11524. *io_gpio = 1;
  11525. *io_port = 1;
  11526. break;
  11527. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11528. *io_gpio = 2;
  11529. *io_port = 1;
  11530. break;
  11531. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11532. *io_gpio = 3;
  11533. *io_port = 1;
  11534. break;
  11535. default:
  11536. /* Don't override the io_gpio and io_port */
  11537. break;
  11538. }
  11539. }
  11540. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11541. u32 shmem_base_path[],
  11542. u32 shmem2_base_path[], u8 phy_index,
  11543. u32 chip_id)
  11544. {
  11545. s8 port, reset_gpio;
  11546. u32 swap_val, swap_override;
  11547. struct bnx2x_phy phy[PORT_MAX];
  11548. struct bnx2x_phy *phy_blk[PORT_MAX];
  11549. s8 port_of_path;
  11550. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11551. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11552. reset_gpio = MISC_REGISTERS_GPIO_1;
  11553. port = 1;
  11554. /* Retrieve the reset gpio/port which control the reset.
  11555. * Default is GPIO1, PORT1
  11556. */
  11557. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11558. (u8 *)&reset_gpio, (u8 *)&port);
  11559. /* Calculate the port based on port swap */
  11560. port ^= (swap_val && swap_override);
  11561. /* Initiate PHY reset*/
  11562. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11563. port);
  11564. usleep_range(1000, 2000);
  11565. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11566. port);
  11567. usleep_range(5000, 10000);
  11568. /* PART1 - Reset both phys */
  11569. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11570. u32 shmem_base, shmem2_base;
  11571. /* In E2, same phy is using for port0 of the two paths */
  11572. if (CHIP_IS_E1x(bp)) {
  11573. shmem_base = shmem_base_path[0];
  11574. shmem2_base = shmem2_base_path[0];
  11575. port_of_path = port;
  11576. } else {
  11577. shmem_base = shmem_base_path[port];
  11578. shmem2_base = shmem2_base_path[port];
  11579. port_of_path = 0;
  11580. }
  11581. /* Extract the ext phy address for the port */
  11582. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11583. port_of_path, &phy[port]) !=
  11584. 0) {
  11585. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11586. return -EINVAL;
  11587. }
  11588. /* disable attentions */
  11589. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11590. port_of_path*4,
  11591. (NIG_MASK_XGXS0_LINK_STATUS |
  11592. NIG_MASK_XGXS0_LINK10G |
  11593. NIG_MASK_SERDES0_LINK_STATUS |
  11594. NIG_MASK_MI_INT));
  11595. /* Reset the phy */
  11596. bnx2x_cl45_write(bp, &phy[port],
  11597. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11598. }
  11599. /* Add delay of 150ms after reset */
  11600. msleep(150);
  11601. if (phy[PORT_0].addr & 0x1) {
  11602. phy_blk[PORT_0] = &(phy[PORT_1]);
  11603. phy_blk[PORT_1] = &(phy[PORT_0]);
  11604. } else {
  11605. phy_blk[PORT_0] = &(phy[PORT_0]);
  11606. phy_blk[PORT_1] = &(phy[PORT_1]);
  11607. }
  11608. /* PART2 - Download firmware to both phys */
  11609. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11610. if (CHIP_IS_E1x(bp))
  11611. port_of_path = port;
  11612. else
  11613. port_of_path = 0;
  11614. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11615. phy_blk[port]->addr);
  11616. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11617. port_of_path))
  11618. return -EINVAL;
  11619. /* Disable PHY transmitter output */
  11620. bnx2x_cl45_write(bp, phy_blk[port],
  11621. MDIO_PMA_DEVAD,
  11622. MDIO_PMA_REG_TX_DISABLE, 1);
  11623. }
  11624. return 0;
  11625. }
  11626. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11627. u32 shmem_base_path[],
  11628. u32 shmem2_base_path[],
  11629. u8 phy_index,
  11630. u32 chip_id)
  11631. {
  11632. u8 reset_gpios;
  11633. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11634. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11635. udelay(10);
  11636. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11637. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11638. reset_gpios);
  11639. return 0;
  11640. }
  11641. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11642. u32 shmem2_base_path[], u8 phy_index,
  11643. u32 ext_phy_type, u32 chip_id)
  11644. {
  11645. int rc = 0;
  11646. switch (ext_phy_type) {
  11647. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11648. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11649. shmem2_base_path,
  11650. phy_index, chip_id);
  11651. break;
  11652. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11653. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11654. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11655. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11656. shmem2_base_path,
  11657. phy_index, chip_id);
  11658. break;
  11659. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11660. /* GPIO1 affects both ports, so there's need to pull
  11661. * it for single port alone
  11662. */
  11663. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11664. shmem2_base_path,
  11665. phy_index, chip_id);
  11666. break;
  11667. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11668. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11669. /* GPIO3's are linked, and so both need to be toggled
  11670. * to obtain required 2us pulse.
  11671. */
  11672. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11673. shmem2_base_path,
  11674. phy_index, chip_id);
  11675. break;
  11676. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11677. rc = -EINVAL;
  11678. break;
  11679. default:
  11680. DP(NETIF_MSG_LINK,
  11681. "ext_phy 0x%x common init not required\n",
  11682. ext_phy_type);
  11683. break;
  11684. }
  11685. if (rc)
  11686. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11687. " Port %d\n",
  11688. 0);
  11689. return rc;
  11690. }
  11691. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11692. u32 shmem2_base_path[], u32 chip_id)
  11693. {
  11694. int rc = 0;
  11695. u32 phy_ver, val;
  11696. u8 phy_index = 0;
  11697. u32 ext_phy_type, ext_phy_config;
  11698. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11699. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11700. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11701. if (CHIP_IS_E3(bp)) {
  11702. /* Enable EPIO */
  11703. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11704. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11705. }
  11706. /* Check if common init was already done */
  11707. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11708. offsetof(struct shmem_region,
  11709. port_mb[PORT_0].ext_phy_fw_version));
  11710. if (phy_ver) {
  11711. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11712. phy_ver);
  11713. return 0;
  11714. }
  11715. /* Read the ext_phy_type for arbitrary port(0) */
  11716. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11717. phy_index++) {
  11718. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11719. shmem_base_path[0],
  11720. phy_index, 0);
  11721. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11722. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11723. shmem2_base_path,
  11724. phy_index, ext_phy_type,
  11725. chip_id);
  11726. }
  11727. return rc;
  11728. }
  11729. static void bnx2x_check_over_curr(struct link_params *params,
  11730. struct link_vars *vars)
  11731. {
  11732. struct bnx2x *bp = params->bp;
  11733. u32 cfg_pin;
  11734. u8 port = params->port;
  11735. u32 pin_val;
  11736. cfg_pin = (REG_RD(bp, params->shmem_base +
  11737. offsetof(struct shmem_region,
  11738. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11739. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11740. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11741. /* Ignore check if no external input PIN available */
  11742. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11743. return;
  11744. if (!pin_val) {
  11745. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11746. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11747. " been detected and the power to "
  11748. "that SFP+ module has been removed"
  11749. " to prevent failure of the card."
  11750. " Please remove the SFP+ module and"
  11751. " restart the system to clear this"
  11752. " error.\n",
  11753. params->port);
  11754. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11755. bnx2x_warpcore_power_module(params, 0);
  11756. }
  11757. } else
  11758. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11759. }
  11760. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11761. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11762. struct link_vars *vars, u32 status,
  11763. u32 phy_flag, u32 link_flag, u8 notify)
  11764. {
  11765. struct bnx2x *bp = params->bp;
  11766. /* Compare new value with previous value */
  11767. u8 led_mode;
  11768. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11769. if ((status ^ old_status) == 0)
  11770. return 0;
  11771. /* If values differ */
  11772. switch (phy_flag) {
  11773. case PHY_HALF_OPEN_CONN_FLAG:
  11774. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11775. break;
  11776. case PHY_SFP_TX_FAULT_FLAG:
  11777. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11778. break;
  11779. default:
  11780. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11781. }
  11782. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11783. old_status, status);
  11784. /* a. Update shmem->link_status accordingly
  11785. * b. Update link_vars->link_up
  11786. */
  11787. if (status) {
  11788. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11789. vars->link_status |= link_flag;
  11790. vars->link_up = 0;
  11791. vars->phy_flags |= phy_flag;
  11792. /* activate nig drain */
  11793. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11794. /* Set LED mode to off since the PHY doesn't know about these
  11795. * errors
  11796. */
  11797. led_mode = LED_MODE_OFF;
  11798. } else {
  11799. vars->link_status |= LINK_STATUS_LINK_UP;
  11800. vars->link_status &= ~link_flag;
  11801. vars->link_up = 1;
  11802. vars->phy_flags &= ~phy_flag;
  11803. led_mode = LED_MODE_OPER;
  11804. /* Clear nig drain */
  11805. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11806. }
  11807. bnx2x_sync_link(params, vars);
  11808. /* Update the LED according to the link state */
  11809. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11810. /* Update link status in the shared memory */
  11811. bnx2x_update_mng(params, vars->link_status);
  11812. /* C. Trigger General Attention */
  11813. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11814. if (notify)
  11815. bnx2x_notify_link_changed(bp);
  11816. return 1;
  11817. }
  11818. /******************************************************************************
  11819. * Description:
  11820. * This function checks for half opened connection change indication.
  11821. * When such change occurs, it calls the bnx2x_analyze_link_error
  11822. * to check if Remote Fault is set or cleared. Reception of remote fault
  11823. * status message in the MAC indicates that the peer's MAC has detected
  11824. * a fault, for example, due to break in the TX side of fiber.
  11825. *
  11826. ******************************************************************************/
  11827. int bnx2x_check_half_open_conn(struct link_params *params,
  11828. struct link_vars *vars,
  11829. u8 notify)
  11830. {
  11831. struct bnx2x *bp = params->bp;
  11832. u32 lss_status = 0;
  11833. u32 mac_base;
  11834. /* In case link status is physically up @ 10G do */
  11835. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11836. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11837. return 0;
  11838. if (CHIP_IS_E3(bp) &&
  11839. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11840. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11841. /* Check E3 XMAC */
  11842. /* Note that link speed cannot be queried here, since it may be
  11843. * zero while link is down. In case UMAC is active, LSS will
  11844. * simply not be set
  11845. */
  11846. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11847. /* Clear stick bits (Requires rising edge) */
  11848. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11849. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11850. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11851. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11852. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11853. lss_status = 1;
  11854. bnx2x_analyze_link_error(params, vars, lss_status,
  11855. PHY_HALF_OPEN_CONN_FLAG,
  11856. LINK_STATUS_NONE, notify);
  11857. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11858. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11859. /* Check E1X / E2 BMAC */
  11860. u32 lss_status_reg;
  11861. u32 wb_data[2];
  11862. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11863. NIG_REG_INGRESS_BMAC0_MEM;
  11864. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11865. if (CHIP_IS_E2(bp))
  11866. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11867. else
  11868. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11869. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11870. lss_status = (wb_data[0] > 0);
  11871. bnx2x_analyze_link_error(params, vars, lss_status,
  11872. PHY_HALF_OPEN_CONN_FLAG,
  11873. LINK_STATUS_NONE, notify);
  11874. }
  11875. return 0;
  11876. }
  11877. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11878. struct link_params *params,
  11879. struct link_vars *vars)
  11880. {
  11881. struct bnx2x *bp = params->bp;
  11882. u32 cfg_pin, value = 0;
  11883. u8 led_change, port = params->port;
  11884. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11885. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11886. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11887. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11888. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11889. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11890. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11891. return;
  11892. }
  11893. led_change = bnx2x_analyze_link_error(params, vars, value,
  11894. PHY_SFP_TX_FAULT_FLAG,
  11895. LINK_STATUS_SFP_TX_FAULT, 1);
  11896. if (led_change) {
  11897. /* Change TX_Fault led, set link status for further syncs */
  11898. u8 led_mode;
  11899. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11900. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11901. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11902. } else {
  11903. led_mode = MISC_REGISTERS_GPIO_LOW;
  11904. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11905. }
  11906. /* If module is unapproved, led should be on regardless */
  11907. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11908. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11909. led_mode);
  11910. bnx2x_set_e3_module_fault_led(params, led_mode);
  11911. }
  11912. }
  11913. }
  11914. static void bnx2x_disable_kr2(struct link_params *params,
  11915. struct link_vars *vars,
  11916. struct bnx2x_phy *phy)
  11917. {
  11918. struct bnx2x *bp = params->bp;
  11919. int i;
  11920. static struct bnx2x_reg_set reg_set[] = {
  11921. /* Step 1 - Program the TX/RX alignment markers */
  11922. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11923. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11924. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11925. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11926. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11927. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11928. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11929. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11930. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11931. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11932. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11933. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11934. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11935. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11936. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11937. };
  11938. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11939. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  11940. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11941. reg_set[i].val);
  11942. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11943. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11944. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  11945. /* Restart AN on leading lane */
  11946. bnx2x_warpcore_restart_AN_KR(phy, params);
  11947. }
  11948. static void bnx2x_kr2_recovery(struct link_params *params,
  11949. struct link_vars *vars,
  11950. struct bnx2x_phy *phy)
  11951. {
  11952. struct bnx2x *bp = params->bp;
  11953. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11954. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11955. bnx2x_warpcore_restart_AN_KR(phy, params);
  11956. }
  11957. static void bnx2x_check_kr2_wa(struct link_params *params,
  11958. struct link_vars *vars,
  11959. struct bnx2x_phy *phy)
  11960. {
  11961. struct bnx2x *bp = params->bp;
  11962. u16 base_page, next_page, not_kr2_device, lane;
  11963. int sigdet;
  11964. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11965. * Since some switches tend to reinit the AN process and clear the
  11966. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11967. * and recovered many times
  11968. */
  11969. if (vars->check_kr2_recovery_cnt > 0) {
  11970. vars->check_kr2_recovery_cnt--;
  11971. return;
  11972. }
  11973. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11974. if (!sigdet) {
  11975. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11976. bnx2x_kr2_recovery(params, vars, phy);
  11977. DP(NETIF_MSG_LINK, "No sigdet\n");
  11978. }
  11979. return;
  11980. }
  11981. lane = bnx2x_get_warpcore_lane(phy, params);
  11982. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11983. MDIO_AER_BLOCK_AER_REG, lane);
  11984. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11985. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  11986. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11987. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  11988. bnx2x_set_aer_mmd(params, phy);
  11989. /* CL73 has not begun yet */
  11990. if (base_page == 0) {
  11991. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11992. bnx2x_kr2_recovery(params, vars, phy);
  11993. DP(NETIF_MSG_LINK, "No BP\n");
  11994. }
  11995. return;
  11996. }
  11997. /* In case NP bit is not set in the BasePage, or it is set,
  11998. * but only KX is advertised, declare this link partner as non-KR2
  11999. * device.
  12000. */
  12001. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12002. (((base_page & 0x8000) &&
  12003. ((next_page & 0xe0) == 0x2))));
  12004. /* In case KR2 is already disabled, check if we need to re-enable it */
  12005. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12006. if (!not_kr2_device) {
  12007. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12008. next_page);
  12009. bnx2x_kr2_recovery(params, vars, phy);
  12010. }
  12011. return;
  12012. }
  12013. /* KR2 is enabled, but not KR2 device */
  12014. if (not_kr2_device) {
  12015. /* Disable KR2 on both lanes */
  12016. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12017. bnx2x_disable_kr2(params, vars, phy);
  12018. return;
  12019. }
  12020. }
  12021. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12022. {
  12023. u16 phy_idx;
  12024. struct bnx2x *bp = params->bp;
  12025. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12026. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12027. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12028. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12029. 0)
  12030. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12031. break;
  12032. }
  12033. }
  12034. if (CHIP_IS_E3(bp)) {
  12035. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12036. bnx2x_set_aer_mmd(params, phy);
  12037. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12038. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12039. bnx2x_check_kr2_wa(params, vars, phy);
  12040. bnx2x_check_over_curr(params, vars);
  12041. if (vars->rx_tx_asic_rst)
  12042. bnx2x_warpcore_config_runtime(phy, params, vars);
  12043. if ((REG_RD(bp, params->shmem_base +
  12044. offsetof(struct shmem_region, dev_info.
  12045. port_hw_config[params->port].default_cfg))
  12046. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12047. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12048. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12049. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12050. } else if (vars->link_status &
  12051. LINK_STATUS_SFP_TX_FAULT) {
  12052. /* Clean trail, interrupt corrects the leds */
  12053. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12054. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12055. /* Update link status in the shared memory */
  12056. bnx2x_update_mng(params, vars->link_status);
  12057. }
  12058. }
  12059. }
  12060. }
  12061. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12062. u32 shmem_base,
  12063. u32 shmem2_base,
  12064. u8 port)
  12065. {
  12066. u8 phy_index, fan_failure_det_req = 0;
  12067. struct bnx2x_phy phy;
  12068. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12069. phy_index++) {
  12070. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12071. port, &phy)
  12072. != 0) {
  12073. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12074. return 0;
  12075. }
  12076. fan_failure_det_req |= (phy.flags &
  12077. FLAGS_FAN_FAILURE_DET_REQ);
  12078. }
  12079. return fan_failure_det_req;
  12080. }
  12081. void bnx2x_hw_reset_phy(struct link_params *params)
  12082. {
  12083. u8 phy_index;
  12084. struct bnx2x *bp = params->bp;
  12085. bnx2x_update_mng(params, 0);
  12086. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12087. (NIG_MASK_XGXS0_LINK_STATUS |
  12088. NIG_MASK_XGXS0_LINK10G |
  12089. NIG_MASK_SERDES0_LINK_STATUS |
  12090. NIG_MASK_MI_INT));
  12091. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12092. phy_index++) {
  12093. if (params->phy[phy_index].hw_reset) {
  12094. params->phy[phy_index].hw_reset(
  12095. &params->phy[phy_index],
  12096. params);
  12097. params->phy[phy_index] = phy_null;
  12098. }
  12099. }
  12100. }
  12101. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12102. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12103. u8 port)
  12104. {
  12105. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12106. u32 val;
  12107. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12108. if (CHIP_IS_E3(bp)) {
  12109. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12110. shmem_base,
  12111. port,
  12112. &gpio_num,
  12113. &gpio_port) != 0)
  12114. return;
  12115. } else {
  12116. struct bnx2x_phy phy;
  12117. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12118. phy_index++) {
  12119. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12120. shmem2_base, port, &phy)
  12121. != 0) {
  12122. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12123. return;
  12124. }
  12125. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12126. gpio_num = MISC_REGISTERS_GPIO_3;
  12127. gpio_port = port;
  12128. break;
  12129. }
  12130. }
  12131. }
  12132. if (gpio_num == 0xff)
  12133. return;
  12134. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12135. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12136. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12137. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12138. gpio_port ^= (swap_val && swap_override);
  12139. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12140. (gpio_num + (gpio_port << 2));
  12141. sync_offset = shmem_base +
  12142. offsetof(struct shmem_region,
  12143. dev_info.port_hw_config[port].aeu_int_mask);
  12144. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12145. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12146. gpio_num, gpio_port, vars->aeu_int_mask);
  12147. if (port == 0)
  12148. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12149. else
  12150. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12151. /* Open appropriate AEU for interrupts */
  12152. aeu_mask = REG_RD(bp, offset);
  12153. aeu_mask |= vars->aeu_int_mask;
  12154. REG_WR(bp, offset, aeu_mask);
  12155. /* Enable the GPIO to trigger interrupt */
  12156. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12157. val |= 1 << (gpio_num + (gpio_port << 2));
  12158. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12159. }