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 *bp,
  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. if (xfer_cnt > 16) {
  2741. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2742. xfer_cnt);
  2743. return -EINVAL;
  2744. }
  2745. bnx2x_bsc_module_sel(params);
  2746. xfer_cnt = 16 - lc_addr;
  2747. /* Enable the engine */
  2748. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2749. val |= MCPR_IMC_COMMAND_ENABLE;
  2750. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2751. /* Program slave device ID */
  2752. val = (sl_devid << 16) | sl_addr;
  2753. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2754. /* Start xfer with 0 byte to update the address pointer ???*/
  2755. val = (MCPR_IMC_COMMAND_ENABLE) |
  2756. (MCPR_IMC_COMMAND_WRITE_OP <<
  2757. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2758. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2759. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2760. /* Poll for completion */
  2761. i = 0;
  2762. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2763. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2764. udelay(10);
  2765. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2766. if (i++ > 1000) {
  2767. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2768. i);
  2769. rc = -EFAULT;
  2770. break;
  2771. }
  2772. }
  2773. if (rc == -EFAULT)
  2774. return rc;
  2775. /* Start xfer with read op */
  2776. val = (MCPR_IMC_COMMAND_ENABLE) |
  2777. (MCPR_IMC_COMMAND_READ_OP <<
  2778. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2779. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2780. (xfer_cnt);
  2781. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2782. /* Poll for completion */
  2783. i = 0;
  2784. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2785. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2786. udelay(10);
  2787. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2788. if (i++ > 1000) {
  2789. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2790. rc = -EFAULT;
  2791. break;
  2792. }
  2793. }
  2794. if (rc == -EFAULT)
  2795. return rc;
  2796. for (i = (lc_addr >> 2); i < 4; i++) {
  2797. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2798. #ifdef __BIG_ENDIAN
  2799. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2800. ((data_array[i] & 0x0000ff00) << 8) |
  2801. ((data_array[i] & 0x00ff0000) >> 8) |
  2802. ((data_array[i] & 0xff000000) >> 24);
  2803. #endif
  2804. }
  2805. return rc;
  2806. }
  2807. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2808. u8 devad, u16 reg, u16 or_val)
  2809. {
  2810. u16 val;
  2811. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2812. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2813. }
  2814. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2815. struct bnx2x_phy *phy,
  2816. u8 devad, u16 reg, u16 and_val)
  2817. {
  2818. u16 val;
  2819. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2820. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2821. }
  2822. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2823. u8 devad, u16 reg, u16 *ret_val)
  2824. {
  2825. u8 phy_index;
  2826. /* Probe for the phy according to the given phy_addr, and execute
  2827. * the read request on it
  2828. */
  2829. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2830. if (params->phy[phy_index].addr == phy_addr) {
  2831. return bnx2x_cl45_read(params->bp,
  2832. &params->phy[phy_index], devad,
  2833. reg, ret_val);
  2834. }
  2835. }
  2836. return -EINVAL;
  2837. }
  2838. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2839. u8 devad, u16 reg, u16 val)
  2840. {
  2841. u8 phy_index;
  2842. /* Probe for the phy according to the given phy_addr, and execute
  2843. * the write request on it
  2844. */
  2845. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2846. if (params->phy[phy_index].addr == phy_addr) {
  2847. return bnx2x_cl45_write(params->bp,
  2848. &params->phy[phy_index], devad,
  2849. reg, val);
  2850. }
  2851. }
  2852. return -EINVAL;
  2853. }
  2854. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2855. struct link_params *params)
  2856. {
  2857. u8 lane = 0;
  2858. struct bnx2x *bp = params->bp;
  2859. u32 path_swap, path_swap_ovr;
  2860. u8 path, port;
  2861. path = BP_PATH(bp);
  2862. port = params->port;
  2863. if (bnx2x_is_4_port_mode(bp)) {
  2864. u32 port_swap, port_swap_ovr;
  2865. /* Figure out path swap value */
  2866. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2867. if (path_swap_ovr & 0x1)
  2868. path_swap = (path_swap_ovr & 0x2);
  2869. else
  2870. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2871. if (path_swap)
  2872. path = path ^ 1;
  2873. /* Figure out port swap value */
  2874. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2875. if (port_swap_ovr & 0x1)
  2876. port_swap = (port_swap_ovr & 0x2);
  2877. else
  2878. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2879. if (port_swap)
  2880. port = port ^ 1;
  2881. lane = (port<<1) + path;
  2882. } else { /* Two port mode - no port swap */
  2883. /* Figure out path swap value */
  2884. path_swap_ovr =
  2885. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2886. if (path_swap_ovr & 0x1) {
  2887. path_swap = (path_swap_ovr & 0x2);
  2888. } else {
  2889. path_swap =
  2890. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2891. }
  2892. if (path_swap)
  2893. path = path ^ 1;
  2894. lane = path << 1 ;
  2895. }
  2896. return lane;
  2897. }
  2898. static void bnx2x_set_aer_mmd(struct link_params *params,
  2899. struct bnx2x_phy *phy)
  2900. {
  2901. u32 ser_lane;
  2902. u16 offset, aer_val;
  2903. struct bnx2x *bp = params->bp;
  2904. ser_lane = ((params->lane_config &
  2905. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2906. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2907. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2908. (phy->addr + ser_lane) : 0;
  2909. if (USES_WARPCORE(bp)) {
  2910. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2911. /* In Dual-lane mode, two lanes are joined together,
  2912. * so in order to configure them, the AER broadcast method is
  2913. * used here.
  2914. * 0x200 is the broadcast address for lanes 0,1
  2915. * 0x201 is the broadcast address for lanes 2,3
  2916. */
  2917. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2918. aer_val = (aer_val >> 1) | 0x200;
  2919. } else if (CHIP_IS_E2(bp))
  2920. aer_val = 0x3800 + offset - 1;
  2921. else
  2922. aer_val = 0x3800 + offset;
  2923. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2924. MDIO_AER_BLOCK_AER_REG, aer_val);
  2925. }
  2926. /******************************************************************/
  2927. /* Internal phy section */
  2928. /******************************************************************/
  2929. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2930. {
  2931. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2932. /* Set Clause 22 */
  2933. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2934. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2935. udelay(500);
  2936. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2937. udelay(500);
  2938. /* Set Clause 45 */
  2939. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2940. }
  2941. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2942. {
  2943. u32 val;
  2944. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2945. val = SERDES_RESET_BITS << (port*16);
  2946. /* Reset and unreset the SerDes/XGXS */
  2947. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2948. udelay(500);
  2949. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2950. bnx2x_set_serdes_access(bp, port);
  2951. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2952. DEFAULT_PHY_DEV_ADDR);
  2953. }
  2954. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2955. struct link_params *params,
  2956. u32 action)
  2957. {
  2958. struct bnx2x *bp = params->bp;
  2959. switch (action) {
  2960. case PHY_INIT:
  2961. /* Set correct devad */
  2962. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2963. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2964. phy->def_md_devad);
  2965. break;
  2966. }
  2967. }
  2968. static void bnx2x_xgxs_deassert(struct link_params *params)
  2969. {
  2970. struct bnx2x *bp = params->bp;
  2971. u8 port;
  2972. u32 val;
  2973. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2974. port = params->port;
  2975. val = XGXS_RESET_BITS << (port*16);
  2976. /* Reset and unreset the SerDes/XGXS */
  2977. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2978. udelay(500);
  2979. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2980. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2981. PHY_INIT);
  2982. }
  2983. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2984. struct link_params *params, u16 *ieee_fc)
  2985. {
  2986. struct bnx2x *bp = params->bp;
  2987. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2988. /* Resolve pause mode and advertisement Please refer to Table
  2989. * 28B-3 of the 802.3ab-1999 spec
  2990. */
  2991. switch (phy->req_flow_ctrl) {
  2992. case BNX2X_FLOW_CTRL_AUTO:
  2993. switch (params->req_fc_auto_adv) {
  2994. case BNX2X_FLOW_CTRL_BOTH:
  2995. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2996. break;
  2997. case BNX2X_FLOW_CTRL_RX:
  2998. case BNX2X_FLOW_CTRL_TX:
  2999. *ieee_fc |=
  3000. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3001. break;
  3002. default:
  3003. break;
  3004. }
  3005. break;
  3006. case BNX2X_FLOW_CTRL_TX:
  3007. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3008. break;
  3009. case BNX2X_FLOW_CTRL_RX:
  3010. case BNX2X_FLOW_CTRL_BOTH:
  3011. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3012. break;
  3013. case BNX2X_FLOW_CTRL_NONE:
  3014. default:
  3015. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3016. break;
  3017. }
  3018. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3019. }
  3020. static void set_phy_vars(struct link_params *params,
  3021. struct link_vars *vars)
  3022. {
  3023. struct bnx2x *bp = params->bp;
  3024. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3025. u8 phy_config_swapped = params->multi_phy_config &
  3026. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3027. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3028. phy_index++) {
  3029. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3030. actual_phy_idx = phy_index;
  3031. if (phy_config_swapped) {
  3032. if (phy_index == EXT_PHY1)
  3033. actual_phy_idx = EXT_PHY2;
  3034. else if (phy_index == EXT_PHY2)
  3035. actual_phy_idx = EXT_PHY1;
  3036. }
  3037. params->phy[actual_phy_idx].req_flow_ctrl =
  3038. params->req_flow_ctrl[link_cfg_idx];
  3039. params->phy[actual_phy_idx].req_line_speed =
  3040. params->req_line_speed[link_cfg_idx];
  3041. params->phy[actual_phy_idx].speed_cap_mask =
  3042. params->speed_cap_mask[link_cfg_idx];
  3043. params->phy[actual_phy_idx].req_duplex =
  3044. params->req_duplex[link_cfg_idx];
  3045. if (params->req_line_speed[link_cfg_idx] ==
  3046. SPEED_AUTO_NEG)
  3047. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3048. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3049. " speed_cap_mask %x\n",
  3050. params->phy[actual_phy_idx].req_flow_ctrl,
  3051. params->phy[actual_phy_idx].req_line_speed,
  3052. params->phy[actual_phy_idx].speed_cap_mask);
  3053. }
  3054. }
  3055. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3056. struct bnx2x_phy *phy,
  3057. struct link_vars *vars)
  3058. {
  3059. u16 val;
  3060. struct bnx2x *bp = params->bp;
  3061. /* Read modify write pause advertizing */
  3062. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3063. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3064. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3065. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3066. if ((vars->ieee_fc &
  3067. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3068. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3069. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3070. }
  3071. if ((vars->ieee_fc &
  3072. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3073. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3074. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3075. }
  3076. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3077. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3078. }
  3079. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3080. { /* LD LP */
  3081. switch (pause_result) { /* ASYM P ASYM P */
  3082. case 0xb: /* 1 0 1 1 */
  3083. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3084. break;
  3085. case 0xe: /* 1 1 1 0 */
  3086. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3087. break;
  3088. case 0x5: /* 0 1 0 1 */
  3089. case 0x7: /* 0 1 1 1 */
  3090. case 0xd: /* 1 1 0 1 */
  3091. case 0xf: /* 1 1 1 1 */
  3092. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3093. break;
  3094. default:
  3095. break;
  3096. }
  3097. if (pause_result & (1<<0))
  3098. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3099. if (pause_result & (1<<1))
  3100. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3101. }
  3102. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3103. struct link_params *params,
  3104. struct link_vars *vars)
  3105. {
  3106. u16 ld_pause; /* local */
  3107. u16 lp_pause; /* link partner */
  3108. u16 pause_result;
  3109. struct bnx2x *bp = params->bp;
  3110. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3111. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3112. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3113. } else if (CHIP_IS_E3(bp) &&
  3114. SINGLE_MEDIA_DIRECT(params)) {
  3115. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3116. u16 gp_status, gp_mask;
  3117. bnx2x_cl45_read(bp, phy,
  3118. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3119. &gp_status);
  3120. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3121. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3122. lane;
  3123. if ((gp_status & gp_mask) == gp_mask) {
  3124. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3125. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3126. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3127. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3128. } else {
  3129. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3130. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3131. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3132. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3133. ld_pause = ((ld_pause &
  3134. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3135. << 3);
  3136. lp_pause = ((lp_pause &
  3137. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3138. << 3);
  3139. }
  3140. } else {
  3141. bnx2x_cl45_read(bp, phy,
  3142. MDIO_AN_DEVAD,
  3143. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3144. bnx2x_cl45_read(bp, phy,
  3145. MDIO_AN_DEVAD,
  3146. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3147. }
  3148. pause_result = (ld_pause &
  3149. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3150. pause_result |= (lp_pause &
  3151. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3152. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3153. bnx2x_pause_resolve(vars, pause_result);
  3154. }
  3155. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3156. struct link_params *params,
  3157. struct link_vars *vars)
  3158. {
  3159. u8 ret = 0;
  3160. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3161. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3162. /* Update the advertised flow-controled of LD/LP in AN */
  3163. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3164. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3165. /* But set the flow-control result as the requested one */
  3166. vars->flow_ctrl = phy->req_flow_ctrl;
  3167. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3168. vars->flow_ctrl = params->req_fc_auto_adv;
  3169. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3170. ret = 1;
  3171. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3172. }
  3173. return ret;
  3174. }
  3175. /******************************************************************/
  3176. /* Warpcore section */
  3177. /******************************************************************/
  3178. /* The init_internal_warpcore should mirror the xgxs,
  3179. * i.e. reset the lane (if needed), set aer for the
  3180. * init configuration, and set/clear SGMII flag. Internal
  3181. * phy init is done purely in phy_init stage.
  3182. */
  3183. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3184. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3185. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3186. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3187. #define WC_TX_FIR(post, main, pre) \
  3188. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3189. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3190. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3191. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3192. struct link_params *params,
  3193. struct link_vars *vars)
  3194. {
  3195. struct bnx2x *bp = params->bp;
  3196. u16 i;
  3197. static struct bnx2x_reg_set reg_set[] = {
  3198. /* Step 1 - Program the TX/RX alignment markers */
  3199. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3205. /* Step 2 - Configure the NP registers */
  3206. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3207. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3214. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3215. };
  3216. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3217. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3218. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3219. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3220. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3221. reg_set[i].val);
  3222. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3223. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3224. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3225. }
  3226. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3227. struct link_params *params)
  3228. {
  3229. struct bnx2x *bp = params->bp;
  3230. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3231. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3232. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3233. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3234. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3235. }
  3236. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3237. struct link_params *params)
  3238. {
  3239. /* Restart autoneg on the leading lane only */
  3240. struct bnx2x *bp = params->bp;
  3241. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3242. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3243. MDIO_AER_BLOCK_AER_REG, lane);
  3244. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3245. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3246. /* Restore AER */
  3247. bnx2x_set_aer_mmd(params, phy);
  3248. }
  3249. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3250. struct link_params *params,
  3251. struct link_vars *vars) {
  3252. u16 lane, i, cl72_ctrl, an_adv = 0;
  3253. u16 ucode_ver;
  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. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3336. */
  3337. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3339. if (ucode_ver < 0xd108) {
  3340. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3341. ucode_ver);
  3342. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3343. }
  3344. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3346. /* Over 1G - AN local device user page 1 */
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3349. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3350. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3351. (phy->req_line_speed == SPEED_20000)) {
  3352. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3353. MDIO_AER_BLOCK_AER_REG, lane);
  3354. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3355. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3356. (1<<11));
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3359. bnx2x_set_aer_mmd(params, phy);
  3360. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3361. }
  3362. /* Enable Autoneg: only on the main lane */
  3363. bnx2x_warpcore_restart_AN_KR(phy, params);
  3364. }
  3365. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3366. struct link_params *params,
  3367. struct link_vars *vars)
  3368. {
  3369. struct bnx2x *bp = params->bp;
  3370. u16 val16, i, lane;
  3371. static struct bnx2x_reg_set reg_set[] = {
  3372. /* Disable Autoneg */
  3373. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3374. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3375. 0x3f00},
  3376. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3377. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3378. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3379. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3380. /* Leave cl72 training enable, needed for KR */
  3381. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3382. };
  3383. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3384. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3385. reg_set[i].val);
  3386. lane = bnx2x_get_warpcore_lane(phy, params);
  3387. /* Global registers */
  3388. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3389. MDIO_AER_BLOCK_AER_REG, 0);
  3390. /* Disable CL36 PCS Tx */
  3391. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3393. val16 &= ~(0x0011 << lane);
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3396. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3398. val16 |= (0x0303 << (lane << 1));
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3401. /* Restore AER */
  3402. bnx2x_set_aer_mmd(params, phy);
  3403. /* Set speed via PMA/PMD register */
  3404. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3405. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3406. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3407. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3408. /* Enable encoded forced speed */
  3409. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3410. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3411. /* Turn TX scramble payload only the 64/66 scrambler */
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3414. /* Turn RX scramble payload only the 64/66 scrambler */
  3415. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3417. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3418. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3420. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3422. }
  3423. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3424. struct link_params *params,
  3425. u8 is_xfi)
  3426. {
  3427. struct bnx2x *bp = params->bp;
  3428. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3429. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3430. /* Hold rxSeqStart */
  3431. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3433. /* Hold tx_fifo_reset */
  3434. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3436. /* Disable CL73 AN */
  3437. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3438. /* Disable 100FX Enable and Auto-Detect */
  3439. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3440. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3441. /* Disable 100FX Idle detect */
  3442. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3444. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3445. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3447. /* Turn off auto-detect & fiber mode */
  3448. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3449. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3450. 0xFFEE);
  3451. /* Set filter_force_link, disable_false_link and parallel_detect */
  3452. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3453. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3454. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3455. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3456. ((val | 0x0006) & 0xFFFE));
  3457. /* Set XFI / SFI */
  3458. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3460. misc1_val &= ~(0x1f);
  3461. if (is_xfi) {
  3462. misc1_val |= 0x5;
  3463. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3464. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3465. } else {
  3466. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3467. offsetof(struct shmem_region, dev_info.
  3468. port_hw_config[params->port].
  3469. sfi_tap_values));
  3470. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3471. tx_drv_brdct = (cfg_tap_val &
  3472. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3473. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3474. misc1_val |= 0x9;
  3475. /* TAP values are controlled by nvram, if value there isn't 0 */
  3476. if (tx_equal)
  3477. tap_val = (u16)tx_equal;
  3478. else
  3479. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3480. if (tx_drv_brdct)
  3481. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3482. 0x06);
  3483. else
  3484. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3485. }
  3486. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3488. /* Set Transmit PMD settings */
  3489. lane = bnx2x_get_warpcore_lane(phy, params);
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_TX_FIR_TAP,
  3492. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3495. tx_driver_val);
  3496. /* Enable fiber mode, enable and invert sig_det */
  3497. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3499. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3500. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3502. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3503. /* 10G XFI Full Duplex */
  3504. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3505. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3506. /* Release tx_fifo_reset */
  3507. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3508. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3509. 0xFFFE);
  3510. /* Release rxSeqStart */
  3511. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3513. }
  3514. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3515. struct link_params *params)
  3516. {
  3517. u16 val;
  3518. struct bnx2x *bp = params->bp;
  3519. /* Set global registers, so set AER lane to 0 */
  3520. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3521. MDIO_AER_BLOCK_AER_REG, 0);
  3522. /* Disable sequencer */
  3523. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3525. bnx2x_set_aer_mmd(params, phy);
  3526. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3527. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3528. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3529. MDIO_AN_REG_CTRL, 0);
  3530. /* Turn off CL73 */
  3531. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3533. val &= ~(1<<5);
  3534. val |= (1<<6);
  3535. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3537. /* Set 20G KR2 force speed */
  3538. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3540. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3542. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3544. val &= ~(3<<14);
  3545. val |= (1<<15);
  3546. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3547. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3548. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3549. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3550. /* Enable sequencer (over lane 0) */
  3551. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3552. MDIO_AER_BLOCK_AER_REG, 0);
  3553. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3555. bnx2x_set_aer_mmd(params, phy);
  3556. }
  3557. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3558. struct bnx2x_phy *phy,
  3559. u16 lane)
  3560. {
  3561. /* Rx0 anaRxControl1G */
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3564. /* Rx2 anaRxControl1G */
  3565. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3566. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3567. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3571. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3572. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3573. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3577. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3578. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3579. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3583. /* Serdes Digital Misc1 */
  3584. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3585. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3586. /* Serdes Digital4 Misc3 */
  3587. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3588. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3589. /* Set Transmit PMD settings */
  3590. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3591. MDIO_WC_REG_TX_FIR_TAP,
  3592. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3593. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3594. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3595. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3596. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3597. }
  3598. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3599. struct link_params *params,
  3600. u8 fiber_mode,
  3601. u8 always_autoneg)
  3602. {
  3603. struct bnx2x *bp = params->bp;
  3604. u16 val16, digctrl_kx1, digctrl_kx2;
  3605. /* Clear XFI clock comp in non-10G single lane mode. */
  3606. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3607. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3608. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3609. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3610. /* SGMII Autoneg */
  3611. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3613. 0x1000);
  3614. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3615. } else {
  3616. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3617. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3618. val16 &= 0xcebf;
  3619. switch (phy->req_line_speed) {
  3620. case SPEED_10:
  3621. break;
  3622. case SPEED_100:
  3623. val16 |= 0x2000;
  3624. break;
  3625. case SPEED_1000:
  3626. val16 |= 0x0040;
  3627. break;
  3628. default:
  3629. DP(NETIF_MSG_LINK,
  3630. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3631. return;
  3632. }
  3633. if (phy->req_duplex == DUPLEX_FULL)
  3634. val16 |= 0x0100;
  3635. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3636. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3637. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3638. phy->req_line_speed);
  3639. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3640. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3641. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3642. }
  3643. /* SGMII Slave mode and disable signal detect */
  3644. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3645. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3646. if (fiber_mode)
  3647. digctrl_kx1 = 1;
  3648. else
  3649. digctrl_kx1 &= 0xff4a;
  3650. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3651. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3652. digctrl_kx1);
  3653. /* Turn off parallel detect */
  3654. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3655. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3656. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3657. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3658. (digctrl_kx2 & ~(1<<2)));
  3659. /* Re-enable parallel detect */
  3660. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3661. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3662. (digctrl_kx2 | (1<<2)));
  3663. /* Enable autodet */
  3664. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3665. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3666. (digctrl_kx1 | 0x10));
  3667. }
  3668. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3669. struct bnx2x_phy *phy,
  3670. u8 reset)
  3671. {
  3672. u16 val;
  3673. /* Take lane out of reset after configuration is finished */
  3674. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3675. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3676. if (reset)
  3677. val |= 0xC000;
  3678. else
  3679. val &= 0x3FFF;
  3680. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3681. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3682. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3683. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3684. }
  3685. /* Clear SFI/XFI link settings registers */
  3686. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3687. struct link_params *params,
  3688. u16 lane)
  3689. {
  3690. struct bnx2x *bp = params->bp;
  3691. u16 i;
  3692. static struct bnx2x_reg_set wc_regs[] = {
  3693. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3694. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3698. 0x0195},
  3699. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3700. 0x0007},
  3701. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3702. 0x0002},
  3703. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3704. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3705. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3706. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3707. };
  3708. /* Set XFI clock comp as default. */
  3709. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3710. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3711. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3712. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3713. wc_regs[i].val);
  3714. lane = bnx2x_get_warpcore_lane(phy, params);
  3715. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3716. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3717. }
  3718. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3719. u32 chip_id,
  3720. u32 shmem_base, u8 port,
  3721. u8 *gpio_num, u8 *gpio_port)
  3722. {
  3723. u32 cfg_pin;
  3724. *gpio_num = 0;
  3725. *gpio_port = 0;
  3726. if (CHIP_IS_E3(bp)) {
  3727. cfg_pin = (REG_RD(bp, shmem_base +
  3728. offsetof(struct shmem_region,
  3729. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3730. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3731. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3732. /* Should not happen. This function called upon interrupt
  3733. * triggered by GPIO ( since EPIO can only generate interrupts
  3734. * to MCP).
  3735. * So if this function was called and none of the GPIOs was set,
  3736. * it means the shit hit the fan.
  3737. */
  3738. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3739. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3740. DP(NETIF_MSG_LINK,
  3741. "No cfg pin %x for module detect indication\n",
  3742. cfg_pin);
  3743. return -EINVAL;
  3744. }
  3745. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3746. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3747. } else {
  3748. *gpio_num = MISC_REGISTERS_GPIO_3;
  3749. *gpio_port = port;
  3750. }
  3751. return 0;
  3752. }
  3753. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3754. struct link_params *params)
  3755. {
  3756. struct bnx2x *bp = params->bp;
  3757. u8 gpio_num, gpio_port;
  3758. u32 gpio_val;
  3759. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3760. params->shmem_base, params->port,
  3761. &gpio_num, &gpio_port) != 0)
  3762. return 0;
  3763. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3764. /* Call the handling function in case module is detected */
  3765. if (gpio_val == 0)
  3766. return 1;
  3767. else
  3768. return 0;
  3769. }
  3770. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3771. struct link_params *params)
  3772. {
  3773. u16 gp2_status_reg0, lane;
  3774. struct bnx2x *bp = params->bp;
  3775. lane = bnx2x_get_warpcore_lane(phy, params);
  3776. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3777. &gp2_status_reg0);
  3778. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3779. }
  3780. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3781. struct link_params *params,
  3782. struct link_vars *vars)
  3783. {
  3784. struct bnx2x *bp = params->bp;
  3785. u32 serdes_net_if;
  3786. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3787. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3788. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3789. if (!vars->turn_to_run_wc_rt)
  3790. return;
  3791. /* Return if there is no link partner */
  3792. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3793. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3794. return;
  3795. }
  3796. if (vars->rx_tx_asic_rst) {
  3797. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3798. offsetof(struct shmem_region, dev_info.
  3799. port_hw_config[params->port].default_cfg)) &
  3800. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3801. switch (serdes_net_if) {
  3802. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3803. /* Do we get link yet? */
  3804. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3805. &gp_status1);
  3806. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3807. /*10G KR*/
  3808. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3809. DP(NETIF_MSG_LINK,
  3810. "gp_status1 0x%x\n", gp_status1);
  3811. if (lnkup_kr || lnkup) {
  3812. vars->rx_tx_asic_rst = 0;
  3813. DP(NETIF_MSG_LINK,
  3814. "link up, rx_tx_asic_rst 0x%x\n",
  3815. vars->rx_tx_asic_rst);
  3816. } else {
  3817. /* Reset the lane to see if link comes up.*/
  3818. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3819. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3820. /* Restart Autoneg */
  3821. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3822. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3823. vars->rx_tx_asic_rst--;
  3824. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3825. vars->rx_tx_asic_rst);
  3826. }
  3827. break;
  3828. default:
  3829. break;
  3830. }
  3831. } /*params->rx_tx_asic_rst*/
  3832. }
  3833. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3834. struct link_params *params)
  3835. {
  3836. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3837. struct bnx2x *bp = params->bp;
  3838. bnx2x_warpcore_clear_regs(phy, params, lane);
  3839. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3840. SPEED_10000) &&
  3841. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3842. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3843. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3844. } else {
  3845. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3846. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3847. }
  3848. }
  3849. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3850. struct bnx2x_phy *phy,
  3851. u8 tx_en)
  3852. {
  3853. struct bnx2x *bp = params->bp;
  3854. u32 cfg_pin;
  3855. u8 port = params->port;
  3856. cfg_pin = REG_RD(bp, params->shmem_base +
  3857. offsetof(struct shmem_region,
  3858. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3859. PORT_HW_CFG_E3_TX_LASER_MASK;
  3860. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3861. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3862. /* For 20G, the expected pin to be used is 3 pins after the current */
  3863. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3864. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3865. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3866. }
  3867. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3868. struct link_params *params,
  3869. struct link_vars *vars)
  3870. {
  3871. struct bnx2x *bp = params->bp;
  3872. u32 serdes_net_if;
  3873. u8 fiber_mode;
  3874. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3875. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3876. offsetof(struct shmem_region, dev_info.
  3877. port_hw_config[params->port].default_cfg)) &
  3878. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3879. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3880. "serdes_net_if = 0x%x\n",
  3881. vars->line_speed, serdes_net_if);
  3882. bnx2x_set_aer_mmd(params, phy);
  3883. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3884. vars->phy_flags |= PHY_XGXS_FLAG;
  3885. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3886. (phy->req_line_speed &&
  3887. ((phy->req_line_speed == SPEED_100) ||
  3888. (phy->req_line_speed == SPEED_10)))) {
  3889. vars->phy_flags |= PHY_SGMII_FLAG;
  3890. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3891. bnx2x_warpcore_clear_regs(phy, params, lane);
  3892. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3893. } else {
  3894. switch (serdes_net_if) {
  3895. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3896. /* Enable KR Auto Neg */
  3897. if (params->loopback_mode != LOOPBACK_EXT)
  3898. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3899. else {
  3900. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3901. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3902. }
  3903. break;
  3904. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3905. bnx2x_warpcore_clear_regs(phy, params, lane);
  3906. if (vars->line_speed == SPEED_10000) {
  3907. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3908. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3909. } else {
  3910. if (SINGLE_MEDIA_DIRECT(params)) {
  3911. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3912. fiber_mode = 1;
  3913. } else {
  3914. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3915. fiber_mode = 0;
  3916. }
  3917. bnx2x_warpcore_set_sgmii_speed(phy,
  3918. params,
  3919. fiber_mode,
  3920. 0);
  3921. }
  3922. break;
  3923. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3924. /* Issue Module detection if module is plugged, or
  3925. * enabled transmitter to avoid current leakage in case
  3926. * no module is connected
  3927. */
  3928. if (bnx2x_is_sfp_module_plugged(phy, params))
  3929. bnx2x_sfp_module_detection(phy, params);
  3930. else
  3931. bnx2x_sfp_e3_set_transmitter(params, phy, 1);
  3932. bnx2x_warpcore_config_sfi(phy, params);
  3933. break;
  3934. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3935. if (vars->line_speed != SPEED_20000) {
  3936. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3937. return;
  3938. }
  3939. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3940. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3941. /* Issue Module detection */
  3942. bnx2x_sfp_module_detection(phy, params);
  3943. break;
  3944. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3945. if (!params->loopback_mode) {
  3946. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3947. } else {
  3948. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3949. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3950. }
  3951. break;
  3952. default:
  3953. DP(NETIF_MSG_LINK,
  3954. "Unsupported Serdes Net Interface 0x%x\n",
  3955. serdes_net_if);
  3956. return;
  3957. }
  3958. }
  3959. /* Take lane out of reset after configuration is finished */
  3960. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3961. DP(NETIF_MSG_LINK, "Exit config init\n");
  3962. }
  3963. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3964. struct link_params *params)
  3965. {
  3966. struct bnx2x *bp = params->bp;
  3967. u16 val16, lane;
  3968. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3969. bnx2x_set_mdio_emac_per_phy(bp, params);
  3970. bnx2x_set_aer_mmd(params, phy);
  3971. /* Global register */
  3972. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3973. /* Clear loopback settings (if any) */
  3974. /* 10G & 20G */
  3975. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3977. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3978. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3979. /* Update those 1-copy registers */
  3980. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3981. MDIO_AER_BLOCK_AER_REG, 0);
  3982. /* Enable 1G MDIO (1-copy) */
  3983. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3984. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3985. ~0x10);
  3986. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3987. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3988. lane = bnx2x_get_warpcore_lane(phy, params);
  3989. /* Disable CL36 PCS Tx */
  3990. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3991. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3992. val16 |= (0x11 << lane);
  3993. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3994. val16 |= (0x22 << lane);
  3995. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3996. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3997. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3998. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3999. val16 &= ~(0x0303 << (lane << 1));
  4000. val16 |= (0x0101 << (lane << 1));
  4001. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4002. val16 &= ~(0x0c0c << (lane << 1));
  4003. val16 |= (0x0404 << (lane << 1));
  4004. }
  4005. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4006. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4007. /* Restore AER */
  4008. bnx2x_set_aer_mmd(params, phy);
  4009. }
  4010. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4011. struct link_params *params)
  4012. {
  4013. struct bnx2x *bp = params->bp;
  4014. u16 val16;
  4015. u32 lane;
  4016. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4017. params->loopback_mode, phy->req_line_speed);
  4018. if (phy->req_line_speed < SPEED_10000 ||
  4019. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4020. /* 10/100/1000/20G-KR2 */
  4021. /* Update those 1-copy registers */
  4022. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4023. MDIO_AER_BLOCK_AER_REG, 0);
  4024. /* Enable 1G MDIO (1-copy) */
  4025. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4026. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4027. 0x10);
  4028. /* Set 1G loopback based on lane (1-copy) */
  4029. lane = bnx2x_get_warpcore_lane(phy, params);
  4030. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4031. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4032. val16 |= (1<<lane);
  4033. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4034. val16 |= (2<<lane);
  4035. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4036. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4037. val16);
  4038. /* Switch back to 4-copy registers */
  4039. bnx2x_set_aer_mmd(params, phy);
  4040. } else {
  4041. /* 10G / 20G-DXGXS */
  4042. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4043. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4044. 0x4000);
  4045. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4046. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4047. }
  4048. }
  4049. static void bnx2x_sync_link(struct link_params *params,
  4050. struct link_vars *vars)
  4051. {
  4052. struct bnx2x *bp = params->bp;
  4053. u8 link_10g_plus;
  4054. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4055. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4056. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4057. if (vars->link_up) {
  4058. DP(NETIF_MSG_LINK, "phy link up\n");
  4059. vars->phy_link_up = 1;
  4060. vars->duplex = DUPLEX_FULL;
  4061. switch (vars->link_status &
  4062. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4063. case LINK_10THD:
  4064. vars->duplex = DUPLEX_HALF;
  4065. /* Fall thru */
  4066. case LINK_10TFD:
  4067. vars->line_speed = SPEED_10;
  4068. break;
  4069. case LINK_100TXHD:
  4070. vars->duplex = DUPLEX_HALF;
  4071. /* Fall thru */
  4072. case LINK_100T4:
  4073. case LINK_100TXFD:
  4074. vars->line_speed = SPEED_100;
  4075. break;
  4076. case LINK_1000THD:
  4077. vars->duplex = DUPLEX_HALF;
  4078. /* Fall thru */
  4079. case LINK_1000TFD:
  4080. vars->line_speed = SPEED_1000;
  4081. break;
  4082. case LINK_2500THD:
  4083. vars->duplex = DUPLEX_HALF;
  4084. /* Fall thru */
  4085. case LINK_2500TFD:
  4086. vars->line_speed = SPEED_2500;
  4087. break;
  4088. case LINK_10GTFD:
  4089. vars->line_speed = SPEED_10000;
  4090. break;
  4091. case LINK_20GTFD:
  4092. vars->line_speed = SPEED_20000;
  4093. break;
  4094. default:
  4095. break;
  4096. }
  4097. vars->flow_ctrl = 0;
  4098. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4099. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4100. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4101. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4102. if (!vars->flow_ctrl)
  4103. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4104. if (vars->line_speed &&
  4105. ((vars->line_speed == SPEED_10) ||
  4106. (vars->line_speed == SPEED_100))) {
  4107. vars->phy_flags |= PHY_SGMII_FLAG;
  4108. } else {
  4109. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4110. }
  4111. if (vars->line_speed &&
  4112. USES_WARPCORE(bp) &&
  4113. (vars->line_speed == SPEED_1000))
  4114. vars->phy_flags |= PHY_SGMII_FLAG;
  4115. /* Anything 10 and over uses the bmac */
  4116. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4117. if (link_10g_plus) {
  4118. if (USES_WARPCORE(bp))
  4119. vars->mac_type = MAC_TYPE_XMAC;
  4120. else
  4121. vars->mac_type = MAC_TYPE_BMAC;
  4122. } else {
  4123. if (USES_WARPCORE(bp))
  4124. vars->mac_type = MAC_TYPE_UMAC;
  4125. else
  4126. vars->mac_type = MAC_TYPE_EMAC;
  4127. }
  4128. } else { /* Link down */
  4129. DP(NETIF_MSG_LINK, "phy link down\n");
  4130. vars->phy_link_up = 0;
  4131. vars->line_speed = 0;
  4132. vars->duplex = DUPLEX_FULL;
  4133. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4134. /* Indicate no mac active */
  4135. vars->mac_type = MAC_TYPE_NONE;
  4136. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4137. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4138. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4139. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4140. }
  4141. }
  4142. void bnx2x_link_status_update(struct link_params *params,
  4143. struct link_vars *vars)
  4144. {
  4145. struct bnx2x *bp = params->bp;
  4146. u8 port = params->port;
  4147. u32 sync_offset, media_types;
  4148. /* Update PHY configuration */
  4149. set_phy_vars(params, vars);
  4150. vars->link_status = REG_RD(bp, params->shmem_base +
  4151. offsetof(struct shmem_region,
  4152. port_mb[port].link_status));
  4153. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4154. if (params->loopback_mode != LOOPBACK_NONE &&
  4155. params->loopback_mode != LOOPBACK_EXT)
  4156. vars->link_status |= LINK_STATUS_LINK_UP;
  4157. if (bnx2x_eee_has_cap(params))
  4158. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4159. offsetof(struct shmem2_region,
  4160. eee_status[params->port]));
  4161. vars->phy_flags = PHY_XGXS_FLAG;
  4162. bnx2x_sync_link(params, vars);
  4163. /* Sync media type */
  4164. sync_offset = params->shmem_base +
  4165. offsetof(struct shmem_region,
  4166. dev_info.port_hw_config[port].media_type);
  4167. media_types = REG_RD(bp, sync_offset);
  4168. params->phy[INT_PHY].media_type =
  4169. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4170. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4171. params->phy[EXT_PHY1].media_type =
  4172. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4173. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4174. params->phy[EXT_PHY2].media_type =
  4175. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4176. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4177. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4178. /* Sync AEU offset */
  4179. sync_offset = params->shmem_base +
  4180. offsetof(struct shmem_region,
  4181. dev_info.port_hw_config[port].aeu_int_mask);
  4182. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4183. /* Sync PFC status */
  4184. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4185. params->feature_config_flags |=
  4186. FEATURE_CONFIG_PFC_ENABLED;
  4187. else
  4188. params->feature_config_flags &=
  4189. ~FEATURE_CONFIG_PFC_ENABLED;
  4190. if (SHMEM2_HAS(bp, link_attr_sync))
  4191. vars->link_attr_sync = SHMEM2_RD(bp,
  4192. link_attr_sync[params->port]);
  4193. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4194. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4195. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4196. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4197. }
  4198. static void bnx2x_set_master_ln(struct link_params *params,
  4199. struct bnx2x_phy *phy)
  4200. {
  4201. struct bnx2x *bp = params->bp;
  4202. u16 new_master_ln, ser_lane;
  4203. ser_lane = ((params->lane_config &
  4204. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4205. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4206. /* Set the master_ln for AN */
  4207. CL22_RD_OVER_CL45(bp, phy,
  4208. MDIO_REG_BANK_XGXS_BLOCK2,
  4209. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4210. &new_master_ln);
  4211. CL22_WR_OVER_CL45(bp, phy,
  4212. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4213. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4214. (new_master_ln | ser_lane));
  4215. }
  4216. static int bnx2x_reset_unicore(struct link_params *params,
  4217. struct bnx2x_phy *phy,
  4218. u8 set_serdes)
  4219. {
  4220. struct bnx2x *bp = params->bp;
  4221. u16 mii_control;
  4222. u16 i;
  4223. CL22_RD_OVER_CL45(bp, phy,
  4224. MDIO_REG_BANK_COMBO_IEEE0,
  4225. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4226. /* Reset the unicore */
  4227. CL22_WR_OVER_CL45(bp, phy,
  4228. MDIO_REG_BANK_COMBO_IEEE0,
  4229. MDIO_COMBO_IEEE0_MII_CONTROL,
  4230. (mii_control |
  4231. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4232. if (set_serdes)
  4233. bnx2x_set_serdes_access(bp, params->port);
  4234. /* Wait for the reset to self clear */
  4235. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4236. udelay(5);
  4237. /* The reset erased the previous bank value */
  4238. CL22_RD_OVER_CL45(bp, phy,
  4239. MDIO_REG_BANK_COMBO_IEEE0,
  4240. MDIO_COMBO_IEEE0_MII_CONTROL,
  4241. &mii_control);
  4242. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4243. udelay(5);
  4244. return 0;
  4245. }
  4246. }
  4247. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4248. " Port %d\n",
  4249. params->port);
  4250. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4251. return -EINVAL;
  4252. }
  4253. static void bnx2x_set_swap_lanes(struct link_params *params,
  4254. struct bnx2x_phy *phy)
  4255. {
  4256. struct bnx2x *bp = params->bp;
  4257. /* Each two bits represents a lane number:
  4258. * No swap is 0123 => 0x1b no need to enable the swap
  4259. */
  4260. u16 rx_lane_swap, tx_lane_swap;
  4261. rx_lane_swap = ((params->lane_config &
  4262. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4263. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4264. tx_lane_swap = ((params->lane_config &
  4265. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4266. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4267. if (rx_lane_swap != 0x1b) {
  4268. CL22_WR_OVER_CL45(bp, phy,
  4269. MDIO_REG_BANK_XGXS_BLOCK2,
  4270. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4271. (rx_lane_swap |
  4272. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4273. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4274. } else {
  4275. CL22_WR_OVER_CL45(bp, phy,
  4276. MDIO_REG_BANK_XGXS_BLOCK2,
  4277. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4278. }
  4279. if (tx_lane_swap != 0x1b) {
  4280. CL22_WR_OVER_CL45(bp, phy,
  4281. MDIO_REG_BANK_XGXS_BLOCK2,
  4282. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4283. (tx_lane_swap |
  4284. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4285. } else {
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_XGXS_BLOCK2,
  4288. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4289. }
  4290. }
  4291. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4292. struct link_params *params)
  4293. {
  4294. struct bnx2x *bp = params->bp;
  4295. u16 control2;
  4296. CL22_RD_OVER_CL45(bp, phy,
  4297. MDIO_REG_BANK_SERDES_DIGITAL,
  4298. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4299. &control2);
  4300. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4301. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4302. else
  4303. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4304. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4305. phy->speed_cap_mask, control2);
  4306. CL22_WR_OVER_CL45(bp, phy,
  4307. MDIO_REG_BANK_SERDES_DIGITAL,
  4308. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4309. control2);
  4310. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4311. (phy->speed_cap_mask &
  4312. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4313. DP(NETIF_MSG_LINK, "XGXS\n");
  4314. CL22_WR_OVER_CL45(bp, phy,
  4315. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4316. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4317. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4318. CL22_RD_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4320. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4321. &control2);
  4322. control2 |=
  4323. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4324. CL22_WR_OVER_CL45(bp, phy,
  4325. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4326. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4327. control2);
  4328. /* Disable parallel detection of HiG */
  4329. CL22_WR_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_XGXS_BLOCK2,
  4331. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4332. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4333. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4334. }
  4335. }
  4336. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4337. struct link_params *params,
  4338. struct link_vars *vars,
  4339. u8 enable_cl73)
  4340. {
  4341. struct bnx2x *bp = params->bp;
  4342. u16 reg_val;
  4343. /* CL37 Autoneg */
  4344. CL22_RD_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_COMBO_IEEE0,
  4346. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4347. /* CL37 Autoneg Enabled */
  4348. if (vars->line_speed == SPEED_AUTO_NEG)
  4349. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4350. else /* CL37 Autoneg Disabled */
  4351. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4352. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4353. CL22_WR_OVER_CL45(bp, phy,
  4354. MDIO_REG_BANK_COMBO_IEEE0,
  4355. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4356. /* Enable/Disable Autodetection */
  4357. CL22_RD_OVER_CL45(bp, phy,
  4358. MDIO_REG_BANK_SERDES_DIGITAL,
  4359. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4360. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4361. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4362. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4363. if (vars->line_speed == SPEED_AUTO_NEG)
  4364. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4365. else
  4366. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4367. CL22_WR_OVER_CL45(bp, phy,
  4368. MDIO_REG_BANK_SERDES_DIGITAL,
  4369. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4370. /* Enable TetonII and BAM autoneg */
  4371. CL22_RD_OVER_CL45(bp, phy,
  4372. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4373. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4374. &reg_val);
  4375. if (vars->line_speed == SPEED_AUTO_NEG) {
  4376. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4377. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4378. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4379. } else {
  4380. /* TetonII and BAM Autoneg Disabled */
  4381. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4382. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4383. }
  4384. CL22_WR_OVER_CL45(bp, phy,
  4385. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4386. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4387. reg_val);
  4388. if (enable_cl73) {
  4389. /* Enable Cl73 FSM status bits */
  4390. CL22_WR_OVER_CL45(bp, phy,
  4391. MDIO_REG_BANK_CL73_USERB0,
  4392. MDIO_CL73_USERB0_CL73_UCTRL,
  4393. 0xe);
  4394. /* Enable BAM Station Manager*/
  4395. CL22_WR_OVER_CL45(bp, phy,
  4396. MDIO_REG_BANK_CL73_USERB0,
  4397. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4398. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4399. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4400. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4401. /* Advertise CL73 link speeds */
  4402. CL22_RD_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_CL73_IEEEB1,
  4404. MDIO_CL73_IEEEB1_AN_ADV2,
  4405. &reg_val);
  4406. if (phy->speed_cap_mask &
  4407. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4408. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4409. if (phy->speed_cap_mask &
  4410. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4411. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4412. CL22_WR_OVER_CL45(bp, phy,
  4413. MDIO_REG_BANK_CL73_IEEEB1,
  4414. MDIO_CL73_IEEEB1_AN_ADV2,
  4415. reg_val);
  4416. /* CL73 Autoneg Enabled */
  4417. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4418. } else /* CL73 Autoneg Disabled */
  4419. reg_val = 0;
  4420. CL22_WR_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_CL73_IEEEB0,
  4422. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4423. }
  4424. /* Program SerDes, forced speed */
  4425. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4426. struct link_params *params,
  4427. struct link_vars *vars)
  4428. {
  4429. struct bnx2x *bp = params->bp;
  4430. u16 reg_val;
  4431. /* Program duplex, disable autoneg and sgmii*/
  4432. CL22_RD_OVER_CL45(bp, phy,
  4433. MDIO_REG_BANK_COMBO_IEEE0,
  4434. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4435. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4436. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4437. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4438. if (phy->req_duplex == DUPLEX_FULL)
  4439. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4440. CL22_WR_OVER_CL45(bp, phy,
  4441. MDIO_REG_BANK_COMBO_IEEE0,
  4442. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4443. /* Program speed
  4444. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4445. */
  4446. CL22_RD_OVER_CL45(bp, phy,
  4447. MDIO_REG_BANK_SERDES_DIGITAL,
  4448. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4449. /* Clearing the speed value before setting the right speed */
  4450. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4451. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4452. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4453. if (!((vars->line_speed == SPEED_1000) ||
  4454. (vars->line_speed == SPEED_100) ||
  4455. (vars->line_speed == SPEED_10))) {
  4456. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4457. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4458. if (vars->line_speed == SPEED_10000)
  4459. reg_val |=
  4460. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4461. }
  4462. CL22_WR_OVER_CL45(bp, phy,
  4463. MDIO_REG_BANK_SERDES_DIGITAL,
  4464. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4465. }
  4466. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4467. struct link_params *params)
  4468. {
  4469. struct bnx2x *bp = params->bp;
  4470. u16 val = 0;
  4471. /* Set extended capabilities */
  4472. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4473. val |= MDIO_OVER_1G_UP1_2_5G;
  4474. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4475. val |= MDIO_OVER_1G_UP1_10G;
  4476. CL22_WR_OVER_CL45(bp, phy,
  4477. MDIO_REG_BANK_OVER_1G,
  4478. MDIO_OVER_1G_UP1, val);
  4479. CL22_WR_OVER_CL45(bp, phy,
  4480. MDIO_REG_BANK_OVER_1G,
  4481. MDIO_OVER_1G_UP3, 0x400);
  4482. }
  4483. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4484. struct link_params *params,
  4485. u16 ieee_fc)
  4486. {
  4487. struct bnx2x *bp = params->bp;
  4488. u16 val;
  4489. /* For AN, we are always publishing full duplex */
  4490. CL22_WR_OVER_CL45(bp, phy,
  4491. MDIO_REG_BANK_COMBO_IEEE0,
  4492. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4493. CL22_RD_OVER_CL45(bp, phy,
  4494. MDIO_REG_BANK_CL73_IEEEB1,
  4495. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4496. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4497. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4498. CL22_WR_OVER_CL45(bp, phy,
  4499. MDIO_REG_BANK_CL73_IEEEB1,
  4500. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4501. }
  4502. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4503. struct link_params *params,
  4504. u8 enable_cl73)
  4505. {
  4506. struct bnx2x *bp = params->bp;
  4507. u16 mii_control;
  4508. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4509. /* Enable and restart BAM/CL37 aneg */
  4510. if (enable_cl73) {
  4511. CL22_RD_OVER_CL45(bp, phy,
  4512. MDIO_REG_BANK_CL73_IEEEB0,
  4513. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4514. &mii_control);
  4515. CL22_WR_OVER_CL45(bp, phy,
  4516. MDIO_REG_BANK_CL73_IEEEB0,
  4517. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4518. (mii_control |
  4519. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4520. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4521. } else {
  4522. CL22_RD_OVER_CL45(bp, phy,
  4523. MDIO_REG_BANK_COMBO_IEEE0,
  4524. MDIO_COMBO_IEEE0_MII_CONTROL,
  4525. &mii_control);
  4526. DP(NETIF_MSG_LINK,
  4527. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4528. mii_control);
  4529. CL22_WR_OVER_CL45(bp, phy,
  4530. MDIO_REG_BANK_COMBO_IEEE0,
  4531. MDIO_COMBO_IEEE0_MII_CONTROL,
  4532. (mii_control |
  4533. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4534. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4535. }
  4536. }
  4537. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4538. struct link_params *params,
  4539. struct link_vars *vars)
  4540. {
  4541. struct bnx2x *bp = params->bp;
  4542. u16 control1;
  4543. /* In SGMII mode, the unicore is always slave */
  4544. CL22_RD_OVER_CL45(bp, phy,
  4545. MDIO_REG_BANK_SERDES_DIGITAL,
  4546. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4547. &control1);
  4548. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4549. /* Set sgmii mode (and not fiber) */
  4550. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4551. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4552. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4553. CL22_WR_OVER_CL45(bp, phy,
  4554. MDIO_REG_BANK_SERDES_DIGITAL,
  4555. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4556. control1);
  4557. /* If forced speed */
  4558. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4559. /* Set speed, disable autoneg */
  4560. u16 mii_control;
  4561. CL22_RD_OVER_CL45(bp, phy,
  4562. MDIO_REG_BANK_COMBO_IEEE0,
  4563. MDIO_COMBO_IEEE0_MII_CONTROL,
  4564. &mii_control);
  4565. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4566. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4567. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4568. switch (vars->line_speed) {
  4569. case SPEED_100:
  4570. mii_control |=
  4571. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4572. break;
  4573. case SPEED_1000:
  4574. mii_control |=
  4575. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4576. break;
  4577. case SPEED_10:
  4578. /* There is nothing to set for 10M */
  4579. break;
  4580. default:
  4581. /* Invalid speed for SGMII */
  4582. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4583. vars->line_speed);
  4584. break;
  4585. }
  4586. /* Setting the full duplex */
  4587. if (phy->req_duplex == DUPLEX_FULL)
  4588. mii_control |=
  4589. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4590. CL22_WR_OVER_CL45(bp, phy,
  4591. MDIO_REG_BANK_COMBO_IEEE0,
  4592. MDIO_COMBO_IEEE0_MII_CONTROL,
  4593. mii_control);
  4594. } else { /* AN mode */
  4595. /* Enable and restart AN */
  4596. bnx2x_restart_autoneg(phy, params, 0);
  4597. }
  4598. }
  4599. /* Link management
  4600. */
  4601. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4602. struct link_params *params)
  4603. {
  4604. struct bnx2x *bp = params->bp;
  4605. u16 pd_10g, status2_1000x;
  4606. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4607. return 0;
  4608. CL22_RD_OVER_CL45(bp, phy,
  4609. MDIO_REG_BANK_SERDES_DIGITAL,
  4610. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4611. &status2_1000x);
  4612. CL22_RD_OVER_CL45(bp, phy,
  4613. MDIO_REG_BANK_SERDES_DIGITAL,
  4614. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4615. &status2_1000x);
  4616. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4617. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4618. params->port);
  4619. return 1;
  4620. }
  4621. CL22_RD_OVER_CL45(bp, phy,
  4622. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4623. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4624. &pd_10g);
  4625. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4626. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4627. params->port);
  4628. return 1;
  4629. }
  4630. return 0;
  4631. }
  4632. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4633. struct link_params *params,
  4634. struct link_vars *vars,
  4635. u32 gp_status)
  4636. {
  4637. u16 ld_pause; /* local driver */
  4638. u16 lp_pause; /* link partner */
  4639. u16 pause_result;
  4640. struct bnx2x *bp = params->bp;
  4641. if ((gp_status &
  4642. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4643. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4644. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4645. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4646. CL22_RD_OVER_CL45(bp, phy,
  4647. MDIO_REG_BANK_CL73_IEEEB1,
  4648. MDIO_CL73_IEEEB1_AN_ADV1,
  4649. &ld_pause);
  4650. CL22_RD_OVER_CL45(bp, phy,
  4651. MDIO_REG_BANK_CL73_IEEEB1,
  4652. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4653. &lp_pause);
  4654. pause_result = (ld_pause &
  4655. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4656. pause_result |= (lp_pause &
  4657. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4658. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4659. } else {
  4660. CL22_RD_OVER_CL45(bp, phy,
  4661. MDIO_REG_BANK_COMBO_IEEE0,
  4662. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4663. &ld_pause);
  4664. CL22_RD_OVER_CL45(bp, phy,
  4665. MDIO_REG_BANK_COMBO_IEEE0,
  4666. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4667. &lp_pause);
  4668. pause_result = (ld_pause &
  4669. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4670. pause_result |= (lp_pause &
  4671. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4672. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4673. }
  4674. bnx2x_pause_resolve(vars, pause_result);
  4675. }
  4676. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4677. struct link_params *params,
  4678. struct link_vars *vars,
  4679. u32 gp_status)
  4680. {
  4681. struct bnx2x *bp = params->bp;
  4682. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4683. /* Resolve from gp_status in case of AN complete and not sgmii */
  4684. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4685. /* Update the advertised flow-controled of LD/LP in AN */
  4686. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4687. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4688. /* But set the flow-control result as the requested one */
  4689. vars->flow_ctrl = phy->req_flow_ctrl;
  4690. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4691. vars->flow_ctrl = params->req_fc_auto_adv;
  4692. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4693. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4694. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4695. vars->flow_ctrl = params->req_fc_auto_adv;
  4696. return;
  4697. }
  4698. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4699. }
  4700. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4701. }
  4702. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4703. struct link_params *params)
  4704. {
  4705. struct bnx2x *bp = params->bp;
  4706. u16 rx_status, ustat_val, cl37_fsm_received;
  4707. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4708. /* Step 1: Make sure signal is detected */
  4709. CL22_RD_OVER_CL45(bp, phy,
  4710. MDIO_REG_BANK_RX0,
  4711. MDIO_RX0_RX_STATUS,
  4712. &rx_status);
  4713. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4714. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4715. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4716. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4717. CL22_WR_OVER_CL45(bp, phy,
  4718. MDIO_REG_BANK_CL73_IEEEB0,
  4719. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4720. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4721. return;
  4722. }
  4723. /* Step 2: Check CL73 state machine */
  4724. CL22_RD_OVER_CL45(bp, phy,
  4725. MDIO_REG_BANK_CL73_USERB0,
  4726. MDIO_CL73_USERB0_CL73_USTAT1,
  4727. &ustat_val);
  4728. if ((ustat_val &
  4729. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4730. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4731. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4732. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4733. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4734. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4735. return;
  4736. }
  4737. /* Step 3: Check CL37 Message Pages received to indicate LP
  4738. * supports only CL37
  4739. */
  4740. CL22_RD_OVER_CL45(bp, phy,
  4741. MDIO_REG_BANK_REMOTE_PHY,
  4742. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4743. &cl37_fsm_received);
  4744. if ((cl37_fsm_received &
  4745. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4746. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4747. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4748. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4749. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4750. "misc_rx_status(0x8330) = 0x%x\n",
  4751. cl37_fsm_received);
  4752. return;
  4753. }
  4754. /* The combined cl37/cl73 fsm state information indicating that
  4755. * we are connected to a device which does not support cl73, but
  4756. * does support cl37 BAM. In this case we disable cl73 and
  4757. * restart cl37 auto-neg
  4758. */
  4759. /* Disable CL73 */
  4760. CL22_WR_OVER_CL45(bp, phy,
  4761. MDIO_REG_BANK_CL73_IEEEB0,
  4762. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4763. 0);
  4764. /* Restart CL37 autoneg */
  4765. bnx2x_restart_autoneg(phy, params, 0);
  4766. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4767. }
  4768. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4769. struct link_params *params,
  4770. struct link_vars *vars,
  4771. u32 gp_status)
  4772. {
  4773. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4774. vars->link_status |=
  4775. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4776. if (bnx2x_direct_parallel_detect_used(phy, params))
  4777. vars->link_status |=
  4778. LINK_STATUS_PARALLEL_DETECTION_USED;
  4779. }
  4780. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4781. struct link_params *params,
  4782. struct link_vars *vars,
  4783. u16 is_link_up,
  4784. u16 speed_mask,
  4785. u16 is_duplex)
  4786. {
  4787. struct bnx2x *bp = params->bp;
  4788. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4789. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4790. if (is_link_up) {
  4791. DP(NETIF_MSG_LINK, "phy link up\n");
  4792. vars->phy_link_up = 1;
  4793. vars->link_status |= LINK_STATUS_LINK_UP;
  4794. switch (speed_mask) {
  4795. case GP_STATUS_10M:
  4796. vars->line_speed = SPEED_10;
  4797. if (is_duplex == DUPLEX_FULL)
  4798. vars->link_status |= LINK_10TFD;
  4799. else
  4800. vars->link_status |= LINK_10THD;
  4801. break;
  4802. case GP_STATUS_100M:
  4803. vars->line_speed = SPEED_100;
  4804. if (is_duplex == DUPLEX_FULL)
  4805. vars->link_status |= LINK_100TXFD;
  4806. else
  4807. vars->link_status |= LINK_100TXHD;
  4808. break;
  4809. case GP_STATUS_1G:
  4810. case GP_STATUS_1G_KX:
  4811. vars->line_speed = SPEED_1000;
  4812. if (is_duplex == DUPLEX_FULL)
  4813. vars->link_status |= LINK_1000TFD;
  4814. else
  4815. vars->link_status |= LINK_1000THD;
  4816. break;
  4817. case GP_STATUS_2_5G:
  4818. vars->line_speed = SPEED_2500;
  4819. if (is_duplex == DUPLEX_FULL)
  4820. vars->link_status |= LINK_2500TFD;
  4821. else
  4822. vars->link_status |= LINK_2500THD;
  4823. break;
  4824. case GP_STATUS_5G:
  4825. case GP_STATUS_6G:
  4826. DP(NETIF_MSG_LINK,
  4827. "link speed unsupported gp_status 0x%x\n",
  4828. speed_mask);
  4829. return -EINVAL;
  4830. case GP_STATUS_10G_KX4:
  4831. case GP_STATUS_10G_HIG:
  4832. case GP_STATUS_10G_CX4:
  4833. case GP_STATUS_10G_KR:
  4834. case GP_STATUS_10G_SFI:
  4835. case GP_STATUS_10G_XFI:
  4836. vars->line_speed = SPEED_10000;
  4837. vars->link_status |= LINK_10GTFD;
  4838. break;
  4839. case GP_STATUS_20G_DXGXS:
  4840. case GP_STATUS_20G_KR2:
  4841. vars->line_speed = SPEED_20000;
  4842. vars->link_status |= LINK_20GTFD;
  4843. break;
  4844. default:
  4845. DP(NETIF_MSG_LINK,
  4846. "link speed unsupported gp_status 0x%x\n",
  4847. speed_mask);
  4848. return -EINVAL;
  4849. }
  4850. } else { /* link_down */
  4851. DP(NETIF_MSG_LINK, "phy link down\n");
  4852. vars->phy_link_up = 0;
  4853. vars->duplex = DUPLEX_FULL;
  4854. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4855. vars->mac_type = MAC_TYPE_NONE;
  4856. }
  4857. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4858. vars->phy_link_up, vars->line_speed);
  4859. return 0;
  4860. }
  4861. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4862. struct link_params *params,
  4863. struct link_vars *vars)
  4864. {
  4865. struct bnx2x *bp = params->bp;
  4866. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4867. int rc = 0;
  4868. /* Read gp_status */
  4869. CL22_RD_OVER_CL45(bp, phy,
  4870. MDIO_REG_BANK_GP_STATUS,
  4871. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4872. &gp_status);
  4873. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4874. duplex = DUPLEX_FULL;
  4875. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4876. link_up = 1;
  4877. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4878. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4879. gp_status, link_up, speed_mask);
  4880. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4881. duplex);
  4882. if (rc == -EINVAL)
  4883. return rc;
  4884. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4885. if (SINGLE_MEDIA_DIRECT(params)) {
  4886. vars->duplex = duplex;
  4887. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4888. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4889. bnx2x_xgxs_an_resolve(phy, params, vars,
  4890. gp_status);
  4891. }
  4892. } else { /* Link_down */
  4893. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4894. SINGLE_MEDIA_DIRECT(params)) {
  4895. /* Check signal is detected */
  4896. bnx2x_check_fallback_to_cl37(phy, params);
  4897. }
  4898. }
  4899. /* Read LP advertised speeds*/
  4900. if (SINGLE_MEDIA_DIRECT(params) &&
  4901. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4902. u16 val;
  4903. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4904. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4905. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4906. vars->link_status |=
  4907. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4908. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4909. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4910. vars->link_status |=
  4911. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4912. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4913. MDIO_OVER_1G_LP_UP1, &val);
  4914. if (val & MDIO_OVER_1G_UP1_2_5G)
  4915. vars->link_status |=
  4916. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4917. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4918. vars->link_status |=
  4919. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4920. }
  4921. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4922. vars->duplex, vars->flow_ctrl, vars->link_status);
  4923. return rc;
  4924. }
  4925. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4926. struct link_params *params,
  4927. struct link_vars *vars)
  4928. {
  4929. struct bnx2x *bp = params->bp;
  4930. u8 lane;
  4931. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4932. int rc = 0;
  4933. lane = bnx2x_get_warpcore_lane(phy, params);
  4934. /* Read gp_status */
  4935. if ((params->loopback_mode) &&
  4936. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4937. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4938. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4939. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4940. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4941. link_up &= 0x1;
  4942. } else if ((phy->req_line_speed > SPEED_10000) &&
  4943. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4944. u16 temp_link_up;
  4945. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4946. 1, &temp_link_up);
  4947. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4948. 1, &link_up);
  4949. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4950. temp_link_up, link_up);
  4951. link_up &= (1<<2);
  4952. if (link_up)
  4953. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4954. } else {
  4955. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4956. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4957. &gp_status1);
  4958. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4959. /* Check for either KR, 1G, or AN up. */
  4960. link_up = ((gp_status1 >> 8) |
  4961. (gp_status1 >> 12) |
  4962. (gp_status1)) &
  4963. (1 << lane);
  4964. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4965. u16 an_link;
  4966. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4967. MDIO_AN_REG_STATUS, &an_link);
  4968. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4969. MDIO_AN_REG_STATUS, &an_link);
  4970. link_up |= (an_link & (1<<2));
  4971. }
  4972. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4973. u16 pd, gp_status4;
  4974. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4975. /* Check Autoneg complete */
  4976. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4977. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4978. &gp_status4);
  4979. if (gp_status4 & ((1<<12)<<lane))
  4980. vars->link_status |=
  4981. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4982. /* Check parallel detect used */
  4983. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4984. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4985. &pd);
  4986. if (pd & (1<<15))
  4987. vars->link_status |=
  4988. LINK_STATUS_PARALLEL_DETECTION_USED;
  4989. }
  4990. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4991. vars->duplex = duplex;
  4992. }
  4993. }
  4994. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4995. SINGLE_MEDIA_DIRECT(params)) {
  4996. u16 val;
  4997. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4998. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4999. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5000. vars->link_status |=
  5001. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5002. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5003. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5004. vars->link_status |=
  5005. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5006. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5007. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5008. if (val & MDIO_OVER_1G_UP1_2_5G)
  5009. vars->link_status |=
  5010. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5011. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5012. vars->link_status |=
  5013. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5014. }
  5015. if (lane < 2) {
  5016. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5017. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5018. } else {
  5019. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5020. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5021. }
  5022. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5023. if ((lane & 1) == 0)
  5024. gp_speed <<= 8;
  5025. gp_speed &= 0x3f00;
  5026. link_up = !!link_up;
  5027. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5028. duplex);
  5029. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5030. vars->duplex, vars->flow_ctrl, vars->link_status);
  5031. return rc;
  5032. }
  5033. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5034. {
  5035. struct bnx2x *bp = params->bp;
  5036. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5037. u16 lp_up2;
  5038. u16 tx_driver;
  5039. u16 bank;
  5040. /* Read precomp */
  5041. CL22_RD_OVER_CL45(bp, phy,
  5042. MDIO_REG_BANK_OVER_1G,
  5043. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5044. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5045. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5046. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5047. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5048. if (lp_up2 == 0)
  5049. return;
  5050. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5051. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5052. CL22_RD_OVER_CL45(bp, phy,
  5053. bank,
  5054. MDIO_TX0_TX_DRIVER, &tx_driver);
  5055. /* Replace tx_driver bits [15:12] */
  5056. if (lp_up2 !=
  5057. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5058. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5059. tx_driver |= lp_up2;
  5060. CL22_WR_OVER_CL45(bp, phy,
  5061. bank,
  5062. MDIO_TX0_TX_DRIVER, tx_driver);
  5063. }
  5064. }
  5065. }
  5066. static int bnx2x_emac_program(struct link_params *params,
  5067. struct link_vars *vars)
  5068. {
  5069. struct bnx2x *bp = params->bp;
  5070. u8 port = params->port;
  5071. u16 mode = 0;
  5072. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5073. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5074. EMAC_REG_EMAC_MODE,
  5075. (EMAC_MODE_25G_MODE |
  5076. EMAC_MODE_PORT_MII_10M |
  5077. EMAC_MODE_HALF_DUPLEX));
  5078. switch (vars->line_speed) {
  5079. case SPEED_10:
  5080. mode |= EMAC_MODE_PORT_MII_10M;
  5081. break;
  5082. case SPEED_100:
  5083. mode |= EMAC_MODE_PORT_MII;
  5084. break;
  5085. case SPEED_1000:
  5086. mode |= EMAC_MODE_PORT_GMII;
  5087. break;
  5088. case SPEED_2500:
  5089. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5090. break;
  5091. default:
  5092. /* 10G not valid for EMAC */
  5093. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5094. vars->line_speed);
  5095. return -EINVAL;
  5096. }
  5097. if (vars->duplex == DUPLEX_HALF)
  5098. mode |= EMAC_MODE_HALF_DUPLEX;
  5099. bnx2x_bits_en(bp,
  5100. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5101. mode);
  5102. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5103. return 0;
  5104. }
  5105. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5106. struct link_params *params)
  5107. {
  5108. u16 bank, i = 0;
  5109. struct bnx2x *bp = params->bp;
  5110. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5111. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5112. CL22_WR_OVER_CL45(bp, phy,
  5113. bank,
  5114. MDIO_RX0_RX_EQ_BOOST,
  5115. phy->rx_preemphasis[i]);
  5116. }
  5117. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5118. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5119. CL22_WR_OVER_CL45(bp, phy,
  5120. bank,
  5121. MDIO_TX0_TX_DRIVER,
  5122. phy->tx_preemphasis[i]);
  5123. }
  5124. }
  5125. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5126. struct link_params *params,
  5127. struct link_vars *vars)
  5128. {
  5129. struct bnx2x *bp = params->bp;
  5130. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5131. (params->loopback_mode == LOOPBACK_XGXS));
  5132. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5133. if (SINGLE_MEDIA_DIRECT(params) &&
  5134. (params->feature_config_flags &
  5135. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5136. bnx2x_set_preemphasis(phy, params);
  5137. /* Forced speed requested? */
  5138. if (vars->line_speed != SPEED_AUTO_NEG ||
  5139. (SINGLE_MEDIA_DIRECT(params) &&
  5140. params->loopback_mode == LOOPBACK_EXT)) {
  5141. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5142. /* Disable autoneg */
  5143. bnx2x_set_autoneg(phy, params, vars, 0);
  5144. /* Program speed and duplex */
  5145. bnx2x_program_serdes(phy, params, vars);
  5146. } else { /* AN_mode */
  5147. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5148. /* AN enabled */
  5149. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5150. /* Program duplex & pause advertisement (for aneg) */
  5151. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5152. vars->ieee_fc);
  5153. /* Enable autoneg */
  5154. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5155. /* Enable and restart AN */
  5156. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5157. }
  5158. } else { /* SGMII mode */
  5159. DP(NETIF_MSG_LINK, "SGMII\n");
  5160. bnx2x_initialize_sgmii_process(phy, params, vars);
  5161. }
  5162. }
  5163. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5164. struct link_params *params,
  5165. struct link_vars *vars)
  5166. {
  5167. int rc;
  5168. vars->phy_flags |= PHY_XGXS_FLAG;
  5169. if ((phy->req_line_speed &&
  5170. ((phy->req_line_speed == SPEED_100) ||
  5171. (phy->req_line_speed == SPEED_10))) ||
  5172. (!phy->req_line_speed &&
  5173. (phy->speed_cap_mask >=
  5174. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5175. (phy->speed_cap_mask <
  5176. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5177. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5178. vars->phy_flags |= PHY_SGMII_FLAG;
  5179. else
  5180. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5181. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5182. bnx2x_set_aer_mmd(params, phy);
  5183. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5184. bnx2x_set_master_ln(params, phy);
  5185. rc = bnx2x_reset_unicore(params, phy, 0);
  5186. /* Reset the SerDes and wait for reset bit return low */
  5187. if (rc)
  5188. return rc;
  5189. bnx2x_set_aer_mmd(params, phy);
  5190. /* Setting the masterLn_def again after the reset */
  5191. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5192. bnx2x_set_master_ln(params, phy);
  5193. bnx2x_set_swap_lanes(params, phy);
  5194. }
  5195. return rc;
  5196. }
  5197. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5198. struct bnx2x_phy *phy,
  5199. struct link_params *params)
  5200. {
  5201. u16 cnt, ctrl;
  5202. /* Wait for soft reset to get cleared up to 1 sec */
  5203. for (cnt = 0; cnt < 1000; cnt++) {
  5204. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5205. bnx2x_cl22_read(bp, phy,
  5206. MDIO_PMA_REG_CTRL, &ctrl);
  5207. else
  5208. bnx2x_cl45_read(bp, phy,
  5209. MDIO_PMA_DEVAD,
  5210. MDIO_PMA_REG_CTRL, &ctrl);
  5211. if (!(ctrl & (1<<15)))
  5212. break;
  5213. usleep_range(1000, 2000);
  5214. }
  5215. if (cnt == 1000)
  5216. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5217. " Port %d\n",
  5218. params->port);
  5219. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5220. return cnt;
  5221. }
  5222. static void bnx2x_link_int_enable(struct link_params *params)
  5223. {
  5224. u8 port = params->port;
  5225. u32 mask;
  5226. struct bnx2x *bp = params->bp;
  5227. /* Setting the status to report on link up for either XGXS or SerDes */
  5228. if (CHIP_IS_E3(bp)) {
  5229. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5230. if (!(SINGLE_MEDIA_DIRECT(params)))
  5231. mask |= NIG_MASK_MI_INT;
  5232. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5233. mask = (NIG_MASK_XGXS0_LINK10G |
  5234. NIG_MASK_XGXS0_LINK_STATUS);
  5235. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5236. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5237. params->phy[INT_PHY].type !=
  5238. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5239. mask |= NIG_MASK_MI_INT;
  5240. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5241. }
  5242. } else { /* SerDes */
  5243. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5244. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5245. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5246. params->phy[INT_PHY].type !=
  5247. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5248. mask |= NIG_MASK_MI_INT;
  5249. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5250. }
  5251. }
  5252. bnx2x_bits_en(bp,
  5253. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5254. mask);
  5255. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5256. (params->switch_cfg == SWITCH_CFG_10G),
  5257. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5258. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5259. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5260. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5261. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5262. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5263. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5264. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5265. }
  5266. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5267. u8 exp_mi_int)
  5268. {
  5269. u32 latch_status = 0;
  5270. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5271. * status register. Link down indication is high-active-signal,
  5272. * so in this case we need to write the status to clear the XOR
  5273. */
  5274. /* Read Latched signals */
  5275. latch_status = REG_RD(bp,
  5276. NIG_REG_LATCH_STATUS_0 + port*8);
  5277. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5278. /* Handle only those with latched-signal=up.*/
  5279. if (exp_mi_int)
  5280. bnx2x_bits_en(bp,
  5281. NIG_REG_STATUS_INTERRUPT_PORT0
  5282. + port*4,
  5283. NIG_STATUS_EMAC0_MI_INT);
  5284. else
  5285. bnx2x_bits_dis(bp,
  5286. NIG_REG_STATUS_INTERRUPT_PORT0
  5287. + port*4,
  5288. NIG_STATUS_EMAC0_MI_INT);
  5289. if (latch_status & 1) {
  5290. /* For all latched-signal=up : Re-Arm Latch signals */
  5291. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5292. (latch_status & 0xfffe) | (latch_status & 1));
  5293. }
  5294. /* For all latched-signal=up,Write original_signal to status */
  5295. }
  5296. static void bnx2x_link_int_ack(struct link_params *params,
  5297. struct link_vars *vars, u8 is_10g_plus)
  5298. {
  5299. struct bnx2x *bp = params->bp;
  5300. u8 port = params->port;
  5301. u32 mask;
  5302. /* First reset all status we assume only one line will be
  5303. * change at a time
  5304. */
  5305. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5306. (NIG_STATUS_XGXS0_LINK10G |
  5307. NIG_STATUS_XGXS0_LINK_STATUS |
  5308. NIG_STATUS_SERDES0_LINK_STATUS));
  5309. if (vars->phy_link_up) {
  5310. if (USES_WARPCORE(bp))
  5311. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5312. else {
  5313. if (is_10g_plus)
  5314. mask = NIG_STATUS_XGXS0_LINK10G;
  5315. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5316. /* Disable the link interrupt by writing 1 to
  5317. * the relevant lane in the status register
  5318. */
  5319. u32 ser_lane =
  5320. ((params->lane_config &
  5321. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5322. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5323. mask = ((1 << ser_lane) <<
  5324. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5325. } else
  5326. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5327. }
  5328. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5329. mask);
  5330. bnx2x_bits_en(bp,
  5331. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5332. mask);
  5333. }
  5334. }
  5335. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5336. {
  5337. u8 *str_ptr = str;
  5338. u32 mask = 0xf0000000;
  5339. u8 shift = 8*4;
  5340. u8 digit;
  5341. u8 remove_leading_zeros = 1;
  5342. if (*len < 10) {
  5343. /* Need more than 10chars for this format */
  5344. *str_ptr = '\0';
  5345. (*len)--;
  5346. return -EINVAL;
  5347. }
  5348. while (shift > 0) {
  5349. shift -= 4;
  5350. digit = ((num & mask) >> shift);
  5351. if (digit == 0 && remove_leading_zeros) {
  5352. mask = mask >> 4;
  5353. continue;
  5354. } else if (digit < 0xa)
  5355. *str_ptr = digit + '0';
  5356. else
  5357. *str_ptr = digit - 0xa + 'a';
  5358. remove_leading_zeros = 0;
  5359. str_ptr++;
  5360. (*len)--;
  5361. mask = mask >> 4;
  5362. if (shift == 4*4) {
  5363. *str_ptr = '.';
  5364. str_ptr++;
  5365. (*len)--;
  5366. remove_leading_zeros = 1;
  5367. }
  5368. }
  5369. return 0;
  5370. }
  5371. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5372. {
  5373. str[0] = '\0';
  5374. (*len)--;
  5375. return 0;
  5376. }
  5377. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5378. u16 len)
  5379. {
  5380. struct bnx2x *bp;
  5381. u32 spirom_ver = 0;
  5382. int status = 0;
  5383. u8 *ver_p = version;
  5384. u16 remain_len = len;
  5385. if (version == NULL || params == NULL)
  5386. return -EINVAL;
  5387. bp = params->bp;
  5388. /* Extract first external phy*/
  5389. version[0] = '\0';
  5390. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5391. if (params->phy[EXT_PHY1].format_fw_ver) {
  5392. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5393. ver_p,
  5394. &remain_len);
  5395. ver_p += (len - remain_len);
  5396. }
  5397. if ((params->num_phys == MAX_PHYS) &&
  5398. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5399. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5400. if (params->phy[EXT_PHY2].format_fw_ver) {
  5401. *ver_p = '/';
  5402. ver_p++;
  5403. remain_len--;
  5404. status |= params->phy[EXT_PHY2].format_fw_ver(
  5405. spirom_ver,
  5406. ver_p,
  5407. &remain_len);
  5408. ver_p = version + (len - remain_len);
  5409. }
  5410. }
  5411. *ver_p = '\0';
  5412. return status;
  5413. }
  5414. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5415. struct link_params *params)
  5416. {
  5417. u8 port = params->port;
  5418. struct bnx2x *bp = params->bp;
  5419. if (phy->req_line_speed != SPEED_1000) {
  5420. u32 md_devad = 0;
  5421. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5422. if (!CHIP_IS_E3(bp)) {
  5423. /* Change the uni_phy_addr in the nig */
  5424. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5425. port*0x18));
  5426. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5427. 0x5);
  5428. }
  5429. bnx2x_cl45_write(bp, phy,
  5430. 5,
  5431. (MDIO_REG_BANK_AER_BLOCK +
  5432. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5433. 0x2800);
  5434. bnx2x_cl45_write(bp, phy,
  5435. 5,
  5436. (MDIO_REG_BANK_CL73_IEEEB0 +
  5437. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5438. 0x6041);
  5439. msleep(200);
  5440. /* Set aer mmd back */
  5441. bnx2x_set_aer_mmd(params, phy);
  5442. if (!CHIP_IS_E3(bp)) {
  5443. /* And md_devad */
  5444. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5445. md_devad);
  5446. }
  5447. } else {
  5448. u16 mii_ctrl;
  5449. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5450. bnx2x_cl45_read(bp, phy, 5,
  5451. (MDIO_REG_BANK_COMBO_IEEE0 +
  5452. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5453. &mii_ctrl);
  5454. bnx2x_cl45_write(bp, phy, 5,
  5455. (MDIO_REG_BANK_COMBO_IEEE0 +
  5456. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5457. mii_ctrl |
  5458. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5459. }
  5460. }
  5461. int bnx2x_set_led(struct link_params *params,
  5462. struct link_vars *vars, u8 mode, u32 speed)
  5463. {
  5464. u8 port = params->port;
  5465. u16 hw_led_mode = params->hw_led_mode;
  5466. int rc = 0;
  5467. u8 phy_idx;
  5468. u32 tmp;
  5469. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5470. struct bnx2x *bp = params->bp;
  5471. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5472. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5473. speed, hw_led_mode);
  5474. /* In case */
  5475. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5476. if (params->phy[phy_idx].set_link_led) {
  5477. params->phy[phy_idx].set_link_led(
  5478. &params->phy[phy_idx], params, mode);
  5479. }
  5480. }
  5481. switch (mode) {
  5482. case LED_MODE_FRONT_PANEL_OFF:
  5483. case LED_MODE_OFF:
  5484. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5485. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5486. SHARED_HW_CFG_LED_MAC1);
  5487. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5488. if (params->phy[EXT_PHY1].type ==
  5489. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5490. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5491. EMAC_LED_100MB_OVERRIDE |
  5492. EMAC_LED_10MB_OVERRIDE);
  5493. else
  5494. tmp |= EMAC_LED_OVERRIDE;
  5495. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5496. break;
  5497. case LED_MODE_OPER:
  5498. /* For all other phys, OPER mode is same as ON, so in case
  5499. * link is down, do nothing
  5500. */
  5501. if (!vars->link_up)
  5502. break;
  5503. case LED_MODE_ON:
  5504. if (((params->phy[EXT_PHY1].type ==
  5505. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5506. (params->phy[EXT_PHY1].type ==
  5507. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5508. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5509. /* This is a work-around for E2+8727 Configurations */
  5510. if (mode == LED_MODE_ON ||
  5511. speed == SPEED_10000){
  5512. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5513. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5514. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5515. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5516. (tmp | EMAC_LED_OVERRIDE));
  5517. /* Return here without enabling traffic
  5518. * LED blink and setting rate in ON mode.
  5519. * In oper mode, enabling LED blink
  5520. * and setting rate is needed.
  5521. */
  5522. if (mode == LED_MODE_ON)
  5523. return rc;
  5524. }
  5525. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5526. /* This is a work-around for HW issue found when link
  5527. * is up in CL73
  5528. */
  5529. if ((!CHIP_IS_E3(bp)) ||
  5530. (CHIP_IS_E3(bp) &&
  5531. mode == LED_MODE_ON))
  5532. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5533. if (CHIP_IS_E1x(bp) ||
  5534. CHIP_IS_E2(bp) ||
  5535. (mode == LED_MODE_ON))
  5536. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5537. else
  5538. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5539. hw_led_mode);
  5540. } else if ((params->phy[EXT_PHY1].type ==
  5541. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5542. (mode == LED_MODE_ON)) {
  5543. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5544. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5545. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5546. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5547. /* Break here; otherwise, it'll disable the
  5548. * intended override.
  5549. */
  5550. break;
  5551. } else
  5552. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5553. hw_led_mode);
  5554. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5555. /* Set blinking rate to ~15.9Hz */
  5556. if (CHIP_IS_E3(bp))
  5557. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5558. LED_BLINK_RATE_VAL_E3);
  5559. else
  5560. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5561. LED_BLINK_RATE_VAL_E1X_E2);
  5562. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5563. port*4, 1);
  5564. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5565. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5566. (tmp & (~EMAC_LED_OVERRIDE)));
  5567. if (CHIP_IS_E1(bp) &&
  5568. ((speed == SPEED_2500) ||
  5569. (speed == SPEED_1000) ||
  5570. (speed == SPEED_100) ||
  5571. (speed == SPEED_10))) {
  5572. /* For speeds less than 10G LED scheme is different */
  5573. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5574. + port*4, 1);
  5575. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5576. port*4, 0);
  5577. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5578. port*4, 1);
  5579. }
  5580. break;
  5581. default:
  5582. rc = -EINVAL;
  5583. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5584. mode);
  5585. break;
  5586. }
  5587. return rc;
  5588. }
  5589. /* This function comes to reflect the actual link state read DIRECTLY from the
  5590. * HW
  5591. */
  5592. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5593. u8 is_serdes)
  5594. {
  5595. struct bnx2x *bp = params->bp;
  5596. u16 gp_status = 0, phy_index = 0;
  5597. u8 ext_phy_link_up = 0, serdes_phy_type;
  5598. struct link_vars temp_vars;
  5599. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5600. if (CHIP_IS_E3(bp)) {
  5601. u16 link_up;
  5602. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5603. > SPEED_10000) {
  5604. /* Check 20G link */
  5605. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5606. 1, &link_up);
  5607. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5608. 1, &link_up);
  5609. link_up &= (1<<2);
  5610. } else {
  5611. /* Check 10G link and below*/
  5612. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5613. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5614. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5615. &gp_status);
  5616. gp_status = ((gp_status >> 8) & 0xf) |
  5617. ((gp_status >> 12) & 0xf);
  5618. link_up = gp_status & (1 << lane);
  5619. }
  5620. if (!link_up)
  5621. return -ESRCH;
  5622. } else {
  5623. CL22_RD_OVER_CL45(bp, int_phy,
  5624. MDIO_REG_BANK_GP_STATUS,
  5625. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5626. &gp_status);
  5627. /* Link is up only if both local phy and external phy are up */
  5628. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5629. return -ESRCH;
  5630. }
  5631. /* In XGXS loopback mode, do not check external PHY */
  5632. if (params->loopback_mode == LOOPBACK_XGXS)
  5633. return 0;
  5634. switch (params->num_phys) {
  5635. case 1:
  5636. /* No external PHY */
  5637. return 0;
  5638. case 2:
  5639. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5640. &params->phy[EXT_PHY1],
  5641. params, &temp_vars);
  5642. break;
  5643. case 3: /* Dual Media */
  5644. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5645. phy_index++) {
  5646. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5647. ETH_PHY_SFPP_10G_FIBER) ||
  5648. (params->phy[phy_index].media_type ==
  5649. ETH_PHY_SFP_1G_FIBER) ||
  5650. (params->phy[phy_index].media_type ==
  5651. ETH_PHY_XFP_FIBER) ||
  5652. (params->phy[phy_index].media_type ==
  5653. ETH_PHY_DA_TWINAX));
  5654. if (is_serdes != serdes_phy_type)
  5655. continue;
  5656. if (params->phy[phy_index].read_status) {
  5657. ext_phy_link_up |=
  5658. params->phy[phy_index].read_status(
  5659. &params->phy[phy_index],
  5660. params, &temp_vars);
  5661. }
  5662. }
  5663. break;
  5664. }
  5665. if (ext_phy_link_up)
  5666. return 0;
  5667. return -ESRCH;
  5668. }
  5669. static int bnx2x_link_initialize(struct link_params *params,
  5670. struct link_vars *vars)
  5671. {
  5672. int rc = 0;
  5673. u8 phy_index, non_ext_phy;
  5674. struct bnx2x *bp = params->bp;
  5675. /* In case of external phy existence, the line speed would be the
  5676. * line speed linked up by the external phy. In case it is direct
  5677. * only, then the line_speed during initialization will be
  5678. * equal to the req_line_speed
  5679. */
  5680. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5681. /* Initialize the internal phy in case this is a direct board
  5682. * (no external phys), or this board has external phy which requires
  5683. * to first.
  5684. */
  5685. if (!USES_WARPCORE(bp))
  5686. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5687. /* init ext phy and enable link state int */
  5688. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5689. (params->loopback_mode == LOOPBACK_XGXS));
  5690. if (non_ext_phy ||
  5691. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5692. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5693. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5694. if (vars->line_speed == SPEED_AUTO_NEG &&
  5695. (CHIP_IS_E1x(bp) ||
  5696. CHIP_IS_E2(bp)))
  5697. bnx2x_set_parallel_detection(phy, params);
  5698. if (params->phy[INT_PHY].config_init)
  5699. params->phy[INT_PHY].config_init(phy, params, vars);
  5700. }
  5701. /* Init external phy*/
  5702. if (non_ext_phy) {
  5703. if (params->phy[INT_PHY].supported &
  5704. SUPPORTED_FIBRE)
  5705. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5706. } else {
  5707. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5708. phy_index++) {
  5709. /* No need to initialize second phy in case of first
  5710. * phy only selection. In case of second phy, we do
  5711. * need to initialize the first phy, since they are
  5712. * connected.
  5713. */
  5714. if (params->phy[phy_index].supported &
  5715. SUPPORTED_FIBRE)
  5716. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5717. if (phy_index == EXT_PHY2 &&
  5718. (bnx2x_phy_selection(params) ==
  5719. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5720. DP(NETIF_MSG_LINK,
  5721. "Not initializing second phy\n");
  5722. continue;
  5723. }
  5724. params->phy[phy_index].config_init(
  5725. &params->phy[phy_index],
  5726. params, vars);
  5727. }
  5728. }
  5729. /* Reset the interrupt indication after phy was initialized */
  5730. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5731. params->port*4,
  5732. (NIG_STATUS_XGXS0_LINK10G |
  5733. NIG_STATUS_XGXS0_LINK_STATUS |
  5734. NIG_STATUS_SERDES0_LINK_STATUS |
  5735. NIG_MASK_MI_INT));
  5736. return rc;
  5737. }
  5738. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5739. struct link_params *params)
  5740. {
  5741. /* Reset the SerDes/XGXS */
  5742. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5743. (0x1ff << (params->port*16)));
  5744. }
  5745. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5746. struct link_params *params)
  5747. {
  5748. struct bnx2x *bp = params->bp;
  5749. u8 gpio_port;
  5750. /* HW reset */
  5751. if (CHIP_IS_E2(bp))
  5752. gpio_port = BP_PATH(bp);
  5753. else
  5754. gpio_port = params->port;
  5755. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5756. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5757. gpio_port);
  5758. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5759. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5760. gpio_port);
  5761. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5762. }
  5763. static int bnx2x_update_link_down(struct link_params *params,
  5764. struct link_vars *vars)
  5765. {
  5766. struct bnx2x *bp = params->bp;
  5767. u8 port = params->port;
  5768. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5769. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5770. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5771. /* Indicate no mac active */
  5772. vars->mac_type = MAC_TYPE_NONE;
  5773. /* Update shared memory */
  5774. vars->link_status &= ~LINK_UPDATE_MASK;
  5775. vars->line_speed = 0;
  5776. bnx2x_update_mng(params, vars->link_status);
  5777. /* Activate nig drain */
  5778. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5779. /* Disable emac */
  5780. if (!CHIP_IS_E3(bp))
  5781. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5782. usleep_range(10000, 20000);
  5783. /* Reset BigMac/Xmac */
  5784. if (CHIP_IS_E1x(bp) ||
  5785. CHIP_IS_E2(bp))
  5786. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5787. if (CHIP_IS_E3(bp)) {
  5788. /* Prevent LPI Generation by chip */
  5789. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5790. 0);
  5791. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5792. 0);
  5793. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5794. SHMEM_EEE_ACTIVE_BIT);
  5795. bnx2x_update_mng_eee(params, vars->eee_status);
  5796. bnx2x_set_xmac_rxtx(params, 0);
  5797. bnx2x_set_umac_rxtx(params, 0);
  5798. }
  5799. return 0;
  5800. }
  5801. static int bnx2x_update_link_up(struct link_params *params,
  5802. struct link_vars *vars,
  5803. u8 link_10g)
  5804. {
  5805. struct bnx2x *bp = params->bp;
  5806. u8 phy_idx, port = params->port;
  5807. int rc = 0;
  5808. vars->link_status |= (LINK_STATUS_LINK_UP |
  5809. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5810. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5811. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5812. vars->link_status |=
  5813. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5814. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5815. vars->link_status |=
  5816. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5817. if (USES_WARPCORE(bp)) {
  5818. if (link_10g) {
  5819. if (bnx2x_xmac_enable(params, vars, 0) ==
  5820. -ESRCH) {
  5821. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5822. vars->link_up = 0;
  5823. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5824. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5825. }
  5826. } else
  5827. bnx2x_umac_enable(params, vars, 0);
  5828. bnx2x_set_led(params, vars,
  5829. LED_MODE_OPER, vars->line_speed);
  5830. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5831. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5832. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5833. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5834. (params->port << 2), 1);
  5835. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5836. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5837. (params->port << 2), 0xfc20);
  5838. }
  5839. }
  5840. if ((CHIP_IS_E1x(bp) ||
  5841. CHIP_IS_E2(bp))) {
  5842. if (link_10g) {
  5843. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5844. -ESRCH) {
  5845. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5846. vars->link_up = 0;
  5847. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5848. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5849. }
  5850. bnx2x_set_led(params, vars,
  5851. LED_MODE_OPER, SPEED_10000);
  5852. } else {
  5853. rc = bnx2x_emac_program(params, vars);
  5854. bnx2x_emac_enable(params, vars, 0);
  5855. /* AN complete? */
  5856. if ((vars->link_status &
  5857. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5858. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5859. SINGLE_MEDIA_DIRECT(params))
  5860. bnx2x_set_gmii_tx_driver(params);
  5861. }
  5862. }
  5863. /* PBF - link up */
  5864. if (CHIP_IS_E1x(bp))
  5865. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5866. vars->line_speed);
  5867. /* Disable drain */
  5868. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5869. /* Update shared memory */
  5870. bnx2x_update_mng(params, vars->link_status);
  5871. bnx2x_update_mng_eee(params, vars->eee_status);
  5872. /* Check remote fault */
  5873. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5874. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5875. bnx2x_check_half_open_conn(params, vars, 0);
  5876. break;
  5877. }
  5878. }
  5879. msleep(20);
  5880. return rc;
  5881. }
  5882. /* The bnx2x_link_update function should be called upon link
  5883. * interrupt.
  5884. * Link is considered up as follows:
  5885. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5886. * to be up
  5887. * - SINGLE_MEDIA - The link between the 577xx and the external
  5888. * phy (XGXS) need to up as well as the external link of the
  5889. * phy (PHY_EXT1)
  5890. * - DUAL_MEDIA - The link between the 577xx and the first
  5891. * external phy needs to be up, and at least one of the 2
  5892. * external phy link must be up.
  5893. */
  5894. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5895. {
  5896. struct bnx2x *bp = params->bp;
  5897. struct link_vars phy_vars[MAX_PHYS];
  5898. u8 port = params->port;
  5899. u8 link_10g_plus, phy_index;
  5900. u8 ext_phy_link_up = 0, cur_link_up;
  5901. int rc = 0;
  5902. u8 is_mi_int = 0;
  5903. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5904. u8 active_external_phy = INT_PHY;
  5905. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5906. vars->link_status &= ~LINK_UPDATE_MASK;
  5907. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5908. phy_index++) {
  5909. phy_vars[phy_index].flow_ctrl = 0;
  5910. phy_vars[phy_index].link_status = 0;
  5911. phy_vars[phy_index].line_speed = 0;
  5912. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5913. phy_vars[phy_index].phy_link_up = 0;
  5914. phy_vars[phy_index].link_up = 0;
  5915. phy_vars[phy_index].fault_detected = 0;
  5916. /* different consideration, since vars holds inner state */
  5917. phy_vars[phy_index].eee_status = vars->eee_status;
  5918. }
  5919. if (USES_WARPCORE(bp))
  5920. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5921. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5922. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5923. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5924. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5925. port*0x18) > 0);
  5926. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5927. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5928. is_mi_int,
  5929. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5930. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5931. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5932. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5933. /* Disable emac */
  5934. if (!CHIP_IS_E3(bp))
  5935. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5936. /* Step 1:
  5937. * Check external link change only for external phys, and apply
  5938. * priority selection between them in case the link on both phys
  5939. * is up. Note that instead of the common vars, a temporary
  5940. * vars argument is used since each phy may have different link/
  5941. * speed/duplex result
  5942. */
  5943. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5944. phy_index++) {
  5945. struct bnx2x_phy *phy = &params->phy[phy_index];
  5946. if (!phy->read_status)
  5947. continue;
  5948. /* Read link status and params of this ext phy */
  5949. cur_link_up = phy->read_status(phy, params,
  5950. &phy_vars[phy_index]);
  5951. if (cur_link_up) {
  5952. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5953. phy_index);
  5954. } else {
  5955. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5956. phy_index);
  5957. continue;
  5958. }
  5959. if (!ext_phy_link_up) {
  5960. ext_phy_link_up = 1;
  5961. active_external_phy = phy_index;
  5962. } else {
  5963. switch (bnx2x_phy_selection(params)) {
  5964. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5965. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5966. /* In this option, the first PHY makes sure to pass the
  5967. * traffic through itself only.
  5968. * Its not clear how to reset the link on the second phy
  5969. */
  5970. active_external_phy = EXT_PHY1;
  5971. break;
  5972. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5973. /* In this option, the first PHY makes sure to pass the
  5974. * traffic through the second PHY.
  5975. */
  5976. active_external_phy = EXT_PHY2;
  5977. break;
  5978. default:
  5979. /* Link indication on both PHYs with the following cases
  5980. * is invalid:
  5981. * - FIRST_PHY means that second phy wasn't initialized,
  5982. * hence its link is expected to be down
  5983. * - SECOND_PHY means that first phy should not be able
  5984. * to link up by itself (using configuration)
  5985. * - DEFAULT should be overriden during initialiazation
  5986. */
  5987. DP(NETIF_MSG_LINK, "Invalid link indication"
  5988. "mpc=0x%x. DISABLING LINK !!!\n",
  5989. params->multi_phy_config);
  5990. ext_phy_link_up = 0;
  5991. break;
  5992. }
  5993. }
  5994. }
  5995. prev_line_speed = vars->line_speed;
  5996. /* Step 2:
  5997. * Read the status of the internal phy. In case of
  5998. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5999. * otherwise this is the link between the 577xx and the first
  6000. * external phy
  6001. */
  6002. if (params->phy[INT_PHY].read_status)
  6003. params->phy[INT_PHY].read_status(
  6004. &params->phy[INT_PHY],
  6005. params, vars);
  6006. /* The INT_PHY flow control reside in the vars. This include the
  6007. * case where the speed or flow control are not set to AUTO.
  6008. * Otherwise, the active external phy flow control result is set
  6009. * to the vars. The ext_phy_line_speed is needed to check if the
  6010. * speed is different between the internal phy and external phy.
  6011. * This case may be result of intermediate link speed change.
  6012. */
  6013. if (active_external_phy > INT_PHY) {
  6014. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6015. /* Link speed is taken from the XGXS. AN and FC result from
  6016. * the external phy.
  6017. */
  6018. vars->link_status |= phy_vars[active_external_phy].link_status;
  6019. /* if active_external_phy is first PHY and link is up - disable
  6020. * disable TX on second external PHY
  6021. */
  6022. if (active_external_phy == EXT_PHY1) {
  6023. if (params->phy[EXT_PHY2].phy_specific_func) {
  6024. DP(NETIF_MSG_LINK,
  6025. "Disabling TX on EXT_PHY2\n");
  6026. params->phy[EXT_PHY2].phy_specific_func(
  6027. &params->phy[EXT_PHY2],
  6028. params, DISABLE_TX);
  6029. }
  6030. }
  6031. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6032. vars->duplex = phy_vars[active_external_phy].duplex;
  6033. if (params->phy[active_external_phy].supported &
  6034. SUPPORTED_FIBRE)
  6035. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6036. else
  6037. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6038. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6039. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6040. active_external_phy);
  6041. }
  6042. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6043. phy_index++) {
  6044. if (params->phy[phy_index].flags &
  6045. FLAGS_REARM_LATCH_SIGNAL) {
  6046. bnx2x_rearm_latch_signal(bp, port,
  6047. phy_index ==
  6048. active_external_phy);
  6049. break;
  6050. }
  6051. }
  6052. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6053. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6054. vars->link_status, ext_phy_line_speed);
  6055. /* Upon link speed change set the NIG into drain mode. Comes to
  6056. * deals with possible FIFO glitch due to clk change when speed
  6057. * is decreased without link down indicator
  6058. */
  6059. if (vars->phy_link_up) {
  6060. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6061. (ext_phy_line_speed != vars->line_speed)) {
  6062. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6063. " different than the external"
  6064. " link speed %d\n", vars->line_speed,
  6065. ext_phy_line_speed);
  6066. vars->phy_link_up = 0;
  6067. } else if (prev_line_speed != vars->line_speed) {
  6068. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6069. 0);
  6070. usleep_range(1000, 2000);
  6071. }
  6072. }
  6073. /* Anything 10 and over uses the bmac */
  6074. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6075. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6076. /* In case external phy link is up, and internal link is down
  6077. * (not initialized yet probably after link initialization, it
  6078. * needs to be initialized.
  6079. * Note that after link down-up as result of cable plug, the xgxs
  6080. * link would probably become up again without the need
  6081. * initialize it
  6082. */
  6083. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6084. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6085. " init_preceding = %d\n", ext_phy_link_up,
  6086. vars->phy_link_up,
  6087. params->phy[EXT_PHY1].flags &
  6088. FLAGS_INIT_XGXS_FIRST);
  6089. if (!(params->phy[EXT_PHY1].flags &
  6090. FLAGS_INIT_XGXS_FIRST)
  6091. && ext_phy_link_up && !vars->phy_link_up) {
  6092. vars->line_speed = ext_phy_line_speed;
  6093. if (vars->line_speed < SPEED_1000)
  6094. vars->phy_flags |= PHY_SGMII_FLAG;
  6095. else
  6096. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6097. if (params->phy[INT_PHY].config_init)
  6098. params->phy[INT_PHY].config_init(
  6099. &params->phy[INT_PHY], params,
  6100. vars);
  6101. }
  6102. }
  6103. /* Link is up only if both local phy and external phy (in case of
  6104. * non-direct board) are up and no fault detected on active PHY.
  6105. */
  6106. vars->link_up = (vars->phy_link_up &&
  6107. (ext_phy_link_up ||
  6108. SINGLE_MEDIA_DIRECT(params)) &&
  6109. (phy_vars[active_external_phy].fault_detected == 0));
  6110. /* Update the PFC configuration in case it was changed */
  6111. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6112. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6113. else
  6114. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6115. if (vars->link_up)
  6116. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6117. else
  6118. rc = bnx2x_update_link_down(params, vars);
  6119. /* Update MCP link status was changed */
  6120. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6121. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6122. return rc;
  6123. }
  6124. /*****************************************************************************/
  6125. /* External Phy section */
  6126. /*****************************************************************************/
  6127. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6128. {
  6129. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6130. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6131. usleep_range(1000, 2000);
  6132. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6133. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6134. }
  6135. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6136. u32 spirom_ver, u32 ver_addr)
  6137. {
  6138. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6139. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6140. if (ver_addr)
  6141. REG_WR(bp, ver_addr, spirom_ver);
  6142. }
  6143. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6144. struct bnx2x_phy *phy,
  6145. u8 port)
  6146. {
  6147. u16 fw_ver1, fw_ver2;
  6148. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6149. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6150. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6151. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6152. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6153. phy->ver_addr);
  6154. }
  6155. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6156. struct bnx2x_phy *phy,
  6157. struct link_vars *vars)
  6158. {
  6159. u16 val;
  6160. bnx2x_cl45_read(bp, phy,
  6161. MDIO_AN_DEVAD,
  6162. MDIO_AN_REG_STATUS, &val);
  6163. bnx2x_cl45_read(bp, phy,
  6164. MDIO_AN_DEVAD,
  6165. MDIO_AN_REG_STATUS, &val);
  6166. if (val & (1<<5))
  6167. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6168. if ((val & (1<<0)) == 0)
  6169. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6170. }
  6171. /******************************************************************/
  6172. /* common BCM8073/BCM8727 PHY SECTION */
  6173. /******************************************************************/
  6174. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6175. struct link_params *params,
  6176. struct link_vars *vars)
  6177. {
  6178. struct bnx2x *bp = params->bp;
  6179. if (phy->req_line_speed == SPEED_10 ||
  6180. phy->req_line_speed == SPEED_100) {
  6181. vars->flow_ctrl = phy->req_flow_ctrl;
  6182. return;
  6183. }
  6184. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6185. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6186. u16 pause_result;
  6187. u16 ld_pause; /* local */
  6188. u16 lp_pause; /* link partner */
  6189. bnx2x_cl45_read(bp, phy,
  6190. MDIO_AN_DEVAD,
  6191. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6192. bnx2x_cl45_read(bp, phy,
  6193. MDIO_AN_DEVAD,
  6194. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6195. pause_result = (ld_pause &
  6196. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6197. pause_result |= (lp_pause &
  6198. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6199. bnx2x_pause_resolve(vars, pause_result);
  6200. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6201. pause_result);
  6202. }
  6203. }
  6204. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6205. struct bnx2x_phy *phy,
  6206. u8 port)
  6207. {
  6208. u32 count = 0;
  6209. u16 fw_ver1, fw_msgout;
  6210. int rc = 0;
  6211. /* Boot port from external ROM */
  6212. /* EDC grst */
  6213. bnx2x_cl45_write(bp, phy,
  6214. MDIO_PMA_DEVAD,
  6215. MDIO_PMA_REG_GEN_CTRL,
  6216. 0x0001);
  6217. /* Ucode reboot and rst */
  6218. bnx2x_cl45_write(bp, phy,
  6219. MDIO_PMA_DEVAD,
  6220. MDIO_PMA_REG_GEN_CTRL,
  6221. 0x008c);
  6222. bnx2x_cl45_write(bp, phy,
  6223. MDIO_PMA_DEVAD,
  6224. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6225. /* Reset internal microprocessor */
  6226. bnx2x_cl45_write(bp, phy,
  6227. MDIO_PMA_DEVAD,
  6228. MDIO_PMA_REG_GEN_CTRL,
  6229. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6230. /* Release srst bit */
  6231. bnx2x_cl45_write(bp, phy,
  6232. MDIO_PMA_DEVAD,
  6233. MDIO_PMA_REG_GEN_CTRL,
  6234. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6235. /* Delay 100ms per the PHY specifications */
  6236. msleep(100);
  6237. /* 8073 sometimes taking longer to download */
  6238. do {
  6239. count++;
  6240. if (count > 300) {
  6241. DP(NETIF_MSG_LINK,
  6242. "bnx2x_8073_8727_external_rom_boot port %x:"
  6243. "Download failed. fw version = 0x%x\n",
  6244. port, fw_ver1);
  6245. rc = -EINVAL;
  6246. break;
  6247. }
  6248. bnx2x_cl45_read(bp, phy,
  6249. MDIO_PMA_DEVAD,
  6250. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6251. bnx2x_cl45_read(bp, phy,
  6252. MDIO_PMA_DEVAD,
  6253. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6254. usleep_range(1000, 2000);
  6255. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6256. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6257. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6258. /* Clear ser_boot_ctl bit */
  6259. bnx2x_cl45_write(bp, phy,
  6260. MDIO_PMA_DEVAD,
  6261. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6262. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6263. DP(NETIF_MSG_LINK,
  6264. "bnx2x_8073_8727_external_rom_boot port %x:"
  6265. "Download complete. fw version = 0x%x\n",
  6266. port, fw_ver1);
  6267. return rc;
  6268. }
  6269. /******************************************************************/
  6270. /* BCM8073 PHY SECTION */
  6271. /******************************************************************/
  6272. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6273. {
  6274. /* This is only required for 8073A1, version 102 only */
  6275. u16 val;
  6276. /* Read 8073 HW revision*/
  6277. bnx2x_cl45_read(bp, phy,
  6278. MDIO_PMA_DEVAD,
  6279. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6280. if (val != 1) {
  6281. /* No need to workaround in 8073 A1 */
  6282. return 0;
  6283. }
  6284. bnx2x_cl45_read(bp, phy,
  6285. MDIO_PMA_DEVAD,
  6286. MDIO_PMA_REG_ROM_VER2, &val);
  6287. /* SNR should be applied only for version 0x102 */
  6288. if (val != 0x102)
  6289. return 0;
  6290. return 1;
  6291. }
  6292. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6293. {
  6294. u16 val, cnt, cnt1 ;
  6295. bnx2x_cl45_read(bp, phy,
  6296. MDIO_PMA_DEVAD,
  6297. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6298. if (val > 0) {
  6299. /* No need to workaround in 8073 A1 */
  6300. return 0;
  6301. }
  6302. /* XAUI workaround in 8073 A0: */
  6303. /* After loading the boot ROM and restarting Autoneg, poll
  6304. * Dev1, Reg $C820:
  6305. */
  6306. for (cnt = 0; cnt < 1000; cnt++) {
  6307. bnx2x_cl45_read(bp, phy,
  6308. MDIO_PMA_DEVAD,
  6309. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6310. &val);
  6311. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6312. * system initialization (XAUI work-around not required, as
  6313. * these bits indicate 2.5G or 1G link up).
  6314. */
  6315. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6316. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6317. return 0;
  6318. } else if (!(val & (1<<15))) {
  6319. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6320. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6321. * MSB (bit15) goes to 1 (indicating that the XAUI
  6322. * workaround has completed), then continue on with
  6323. * system initialization.
  6324. */
  6325. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6326. bnx2x_cl45_read(bp, phy,
  6327. MDIO_PMA_DEVAD,
  6328. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6329. if (val & (1<<15)) {
  6330. DP(NETIF_MSG_LINK,
  6331. "XAUI workaround has completed\n");
  6332. return 0;
  6333. }
  6334. usleep_range(3000, 6000);
  6335. }
  6336. break;
  6337. }
  6338. usleep_range(3000, 6000);
  6339. }
  6340. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6341. return -EINVAL;
  6342. }
  6343. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6344. {
  6345. /* Force KR or KX */
  6346. bnx2x_cl45_write(bp, phy,
  6347. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6348. bnx2x_cl45_write(bp, phy,
  6349. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6350. bnx2x_cl45_write(bp, phy,
  6351. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6352. bnx2x_cl45_write(bp, phy,
  6353. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6354. }
  6355. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6356. struct bnx2x_phy *phy,
  6357. struct link_vars *vars)
  6358. {
  6359. u16 cl37_val;
  6360. struct bnx2x *bp = params->bp;
  6361. bnx2x_cl45_read(bp, phy,
  6362. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6363. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6364. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6365. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6366. if ((vars->ieee_fc &
  6367. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6368. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6369. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6370. }
  6371. if ((vars->ieee_fc &
  6372. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6373. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6374. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6375. }
  6376. if ((vars->ieee_fc &
  6377. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6378. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6379. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6380. }
  6381. DP(NETIF_MSG_LINK,
  6382. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6383. bnx2x_cl45_write(bp, phy,
  6384. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6385. msleep(500);
  6386. }
  6387. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6388. struct link_params *params,
  6389. u32 action)
  6390. {
  6391. struct bnx2x *bp = params->bp;
  6392. switch (action) {
  6393. case PHY_INIT:
  6394. /* Enable LASI */
  6395. bnx2x_cl45_write(bp, phy,
  6396. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6397. bnx2x_cl45_write(bp, phy,
  6398. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6399. break;
  6400. }
  6401. }
  6402. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6403. struct link_params *params,
  6404. struct link_vars *vars)
  6405. {
  6406. struct bnx2x *bp = params->bp;
  6407. u16 val = 0, tmp1;
  6408. u8 gpio_port;
  6409. DP(NETIF_MSG_LINK, "Init 8073\n");
  6410. if (CHIP_IS_E2(bp))
  6411. gpio_port = BP_PATH(bp);
  6412. else
  6413. gpio_port = params->port;
  6414. /* Restore normal power mode*/
  6415. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6416. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6417. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6418. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6419. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6420. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6421. bnx2x_cl45_read(bp, phy,
  6422. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6423. bnx2x_cl45_read(bp, phy,
  6424. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6425. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6426. /* Swap polarity if required - Must be done only in non-1G mode */
  6427. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6428. /* Configure the 8073 to swap _P and _N of the KR lines */
  6429. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6430. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6431. bnx2x_cl45_read(bp, phy,
  6432. MDIO_PMA_DEVAD,
  6433. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6434. bnx2x_cl45_write(bp, phy,
  6435. MDIO_PMA_DEVAD,
  6436. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6437. (val | (3<<9)));
  6438. }
  6439. /* Enable CL37 BAM */
  6440. if (REG_RD(bp, params->shmem_base +
  6441. offsetof(struct shmem_region, dev_info.
  6442. port_hw_config[params->port].default_cfg)) &
  6443. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6444. bnx2x_cl45_read(bp, phy,
  6445. MDIO_AN_DEVAD,
  6446. MDIO_AN_REG_8073_BAM, &val);
  6447. bnx2x_cl45_write(bp, phy,
  6448. MDIO_AN_DEVAD,
  6449. MDIO_AN_REG_8073_BAM, val | 1);
  6450. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6451. }
  6452. if (params->loopback_mode == LOOPBACK_EXT) {
  6453. bnx2x_807x_force_10G(bp, phy);
  6454. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6455. return 0;
  6456. } else {
  6457. bnx2x_cl45_write(bp, phy,
  6458. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6459. }
  6460. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6461. if (phy->req_line_speed == SPEED_10000) {
  6462. val = (1<<7);
  6463. } else if (phy->req_line_speed == SPEED_2500) {
  6464. val = (1<<5);
  6465. /* Note that 2.5G works only when used with 1G
  6466. * advertisement
  6467. */
  6468. } else
  6469. val = (1<<5);
  6470. } else {
  6471. val = 0;
  6472. if (phy->speed_cap_mask &
  6473. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6474. val |= (1<<7);
  6475. /* Note that 2.5G works only when used with 1G advertisement */
  6476. if (phy->speed_cap_mask &
  6477. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6478. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6479. val |= (1<<5);
  6480. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6481. }
  6482. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6483. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6484. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6485. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6486. (phy->req_line_speed == SPEED_2500)) {
  6487. u16 phy_ver;
  6488. /* Allow 2.5G for A1 and above */
  6489. bnx2x_cl45_read(bp, phy,
  6490. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6491. &phy_ver);
  6492. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6493. if (phy_ver > 0)
  6494. tmp1 |= 1;
  6495. else
  6496. tmp1 &= 0xfffe;
  6497. } else {
  6498. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6499. tmp1 &= 0xfffe;
  6500. }
  6501. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6502. /* Add support for CL37 (passive mode) II */
  6503. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6504. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6505. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6506. 0x20 : 0x40)));
  6507. /* Add support for CL37 (passive mode) III */
  6508. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6509. /* The SNR will improve about 2db by changing BW and FEE main
  6510. * tap. Rest commands are executed after link is up
  6511. * Change FFE main cursor to 5 in EDC register
  6512. */
  6513. if (bnx2x_8073_is_snr_needed(bp, phy))
  6514. bnx2x_cl45_write(bp, phy,
  6515. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6516. 0xFB0C);
  6517. /* Enable FEC (Forware Error Correction) Request in the AN */
  6518. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6519. tmp1 |= (1<<15);
  6520. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6521. bnx2x_ext_phy_set_pause(params, phy, vars);
  6522. /* Restart autoneg */
  6523. msleep(500);
  6524. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6525. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6526. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6527. return 0;
  6528. }
  6529. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6530. struct link_params *params,
  6531. struct link_vars *vars)
  6532. {
  6533. struct bnx2x *bp = params->bp;
  6534. u8 link_up = 0;
  6535. u16 val1, val2;
  6536. u16 link_status = 0;
  6537. u16 an1000_status = 0;
  6538. bnx2x_cl45_read(bp, phy,
  6539. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6540. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6541. /* Clear the interrupt LASI status register */
  6542. bnx2x_cl45_read(bp, phy,
  6543. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6544. bnx2x_cl45_read(bp, phy,
  6545. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6546. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6547. /* Clear MSG-OUT */
  6548. bnx2x_cl45_read(bp, phy,
  6549. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6550. /* Check the LASI */
  6551. bnx2x_cl45_read(bp, phy,
  6552. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6553. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6554. /* Check the link status */
  6555. bnx2x_cl45_read(bp, phy,
  6556. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6557. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6558. bnx2x_cl45_read(bp, phy,
  6559. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6560. bnx2x_cl45_read(bp, phy,
  6561. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6562. link_up = ((val1 & 4) == 4);
  6563. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6564. if (link_up &&
  6565. ((phy->req_line_speed != SPEED_10000))) {
  6566. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6567. return 0;
  6568. }
  6569. bnx2x_cl45_read(bp, phy,
  6570. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6571. bnx2x_cl45_read(bp, phy,
  6572. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6573. /* Check the link status on 1.1.2 */
  6574. bnx2x_cl45_read(bp, phy,
  6575. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6576. bnx2x_cl45_read(bp, phy,
  6577. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6578. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6579. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6580. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6581. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6582. /* The SNR will improve about 2dbby changing the BW and FEE main
  6583. * tap. The 1st write to change FFE main tap is set before
  6584. * restart AN. Change PLL Bandwidth in EDC register
  6585. */
  6586. bnx2x_cl45_write(bp, phy,
  6587. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6588. 0x26BC);
  6589. /* Change CDR Bandwidth in EDC register */
  6590. bnx2x_cl45_write(bp, phy,
  6591. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6592. 0x0333);
  6593. }
  6594. bnx2x_cl45_read(bp, phy,
  6595. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6596. &link_status);
  6597. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6598. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6599. link_up = 1;
  6600. vars->line_speed = SPEED_10000;
  6601. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6602. params->port);
  6603. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6604. link_up = 1;
  6605. vars->line_speed = SPEED_2500;
  6606. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6607. params->port);
  6608. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6609. link_up = 1;
  6610. vars->line_speed = SPEED_1000;
  6611. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6612. params->port);
  6613. } else {
  6614. link_up = 0;
  6615. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6616. params->port);
  6617. }
  6618. if (link_up) {
  6619. /* Swap polarity if required */
  6620. if (params->lane_config &
  6621. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6622. /* Configure the 8073 to swap P and N of the KR lines */
  6623. bnx2x_cl45_read(bp, phy,
  6624. MDIO_XS_DEVAD,
  6625. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6626. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6627. * when it`s in 10G mode.
  6628. */
  6629. if (vars->line_speed == SPEED_1000) {
  6630. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6631. "the 8073\n");
  6632. val1 |= (1<<3);
  6633. } else
  6634. val1 &= ~(1<<3);
  6635. bnx2x_cl45_write(bp, phy,
  6636. MDIO_XS_DEVAD,
  6637. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6638. val1);
  6639. }
  6640. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6641. bnx2x_8073_resolve_fc(phy, params, vars);
  6642. vars->duplex = DUPLEX_FULL;
  6643. }
  6644. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6645. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6646. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6647. if (val1 & (1<<5))
  6648. vars->link_status |=
  6649. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6650. if (val1 & (1<<7))
  6651. vars->link_status |=
  6652. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6653. }
  6654. return link_up;
  6655. }
  6656. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6657. struct link_params *params)
  6658. {
  6659. struct bnx2x *bp = params->bp;
  6660. u8 gpio_port;
  6661. if (CHIP_IS_E2(bp))
  6662. gpio_port = BP_PATH(bp);
  6663. else
  6664. gpio_port = params->port;
  6665. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6666. gpio_port);
  6667. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6668. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6669. gpio_port);
  6670. }
  6671. /******************************************************************/
  6672. /* BCM8705 PHY SECTION */
  6673. /******************************************************************/
  6674. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6675. struct link_params *params,
  6676. struct link_vars *vars)
  6677. {
  6678. struct bnx2x *bp = params->bp;
  6679. DP(NETIF_MSG_LINK, "init 8705\n");
  6680. /* Restore normal power mode*/
  6681. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6682. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6683. /* HW reset */
  6684. bnx2x_ext_phy_hw_reset(bp, params->port);
  6685. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6686. bnx2x_wait_reset_complete(bp, phy, params);
  6687. bnx2x_cl45_write(bp, phy,
  6688. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6689. bnx2x_cl45_write(bp, phy,
  6690. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6691. bnx2x_cl45_write(bp, phy,
  6692. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6693. bnx2x_cl45_write(bp, phy,
  6694. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6695. /* BCM8705 doesn't have microcode, hence the 0 */
  6696. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6697. return 0;
  6698. }
  6699. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6700. struct link_params *params,
  6701. struct link_vars *vars)
  6702. {
  6703. u8 link_up = 0;
  6704. u16 val1, rx_sd;
  6705. struct bnx2x *bp = params->bp;
  6706. DP(NETIF_MSG_LINK, "read status 8705\n");
  6707. bnx2x_cl45_read(bp, phy,
  6708. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6709. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6710. bnx2x_cl45_read(bp, phy,
  6711. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6712. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6713. bnx2x_cl45_read(bp, phy,
  6714. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6715. bnx2x_cl45_read(bp, phy,
  6716. MDIO_PMA_DEVAD, 0xc809, &val1);
  6717. bnx2x_cl45_read(bp, phy,
  6718. MDIO_PMA_DEVAD, 0xc809, &val1);
  6719. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6720. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6721. if (link_up) {
  6722. vars->line_speed = SPEED_10000;
  6723. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6724. }
  6725. return link_up;
  6726. }
  6727. /******************************************************************/
  6728. /* SFP+ module Section */
  6729. /******************************************************************/
  6730. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6731. struct bnx2x_phy *phy,
  6732. u8 pmd_dis)
  6733. {
  6734. struct bnx2x *bp = params->bp;
  6735. /* Disable transmitter only for bootcodes which can enable it afterwards
  6736. * (for D3 link)
  6737. */
  6738. if (pmd_dis) {
  6739. if (params->feature_config_flags &
  6740. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6741. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6742. else {
  6743. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6744. return;
  6745. }
  6746. } else
  6747. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6748. bnx2x_cl45_write(bp, phy,
  6749. MDIO_PMA_DEVAD,
  6750. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6751. }
  6752. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6753. {
  6754. u8 gpio_port;
  6755. u32 swap_val, swap_override;
  6756. struct bnx2x *bp = params->bp;
  6757. if (CHIP_IS_E2(bp))
  6758. gpio_port = BP_PATH(bp);
  6759. else
  6760. gpio_port = params->port;
  6761. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6762. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6763. return gpio_port ^ (swap_val && swap_override);
  6764. }
  6765. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6766. struct bnx2x_phy *phy,
  6767. u8 tx_en)
  6768. {
  6769. u16 val;
  6770. u8 port = params->port;
  6771. struct bnx2x *bp = params->bp;
  6772. u32 tx_en_mode;
  6773. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6774. tx_en_mode = REG_RD(bp, params->shmem_base +
  6775. offsetof(struct shmem_region,
  6776. dev_info.port_hw_config[port].sfp_ctrl)) &
  6777. PORT_HW_CFG_TX_LASER_MASK;
  6778. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6779. "mode = %x\n", tx_en, port, tx_en_mode);
  6780. switch (tx_en_mode) {
  6781. case PORT_HW_CFG_TX_LASER_MDIO:
  6782. bnx2x_cl45_read(bp, phy,
  6783. MDIO_PMA_DEVAD,
  6784. MDIO_PMA_REG_PHY_IDENTIFIER,
  6785. &val);
  6786. if (tx_en)
  6787. val &= ~(1<<15);
  6788. else
  6789. val |= (1<<15);
  6790. bnx2x_cl45_write(bp, phy,
  6791. MDIO_PMA_DEVAD,
  6792. MDIO_PMA_REG_PHY_IDENTIFIER,
  6793. val);
  6794. break;
  6795. case PORT_HW_CFG_TX_LASER_GPIO0:
  6796. case PORT_HW_CFG_TX_LASER_GPIO1:
  6797. case PORT_HW_CFG_TX_LASER_GPIO2:
  6798. case PORT_HW_CFG_TX_LASER_GPIO3:
  6799. {
  6800. u16 gpio_pin;
  6801. u8 gpio_port, gpio_mode;
  6802. if (tx_en)
  6803. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6804. else
  6805. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6806. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6807. gpio_port = bnx2x_get_gpio_port(params);
  6808. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6809. break;
  6810. }
  6811. default:
  6812. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6813. break;
  6814. }
  6815. }
  6816. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6817. struct bnx2x_phy *phy,
  6818. u8 tx_en)
  6819. {
  6820. struct bnx2x *bp = params->bp;
  6821. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6822. if (CHIP_IS_E3(bp))
  6823. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6824. else
  6825. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6826. }
  6827. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6828. struct link_params *params,
  6829. u8 dev_addr, u16 addr, u8 byte_cnt,
  6830. u8 *o_buf, u8 is_init)
  6831. {
  6832. struct bnx2x *bp = params->bp;
  6833. u16 val = 0;
  6834. u16 i;
  6835. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6836. DP(NETIF_MSG_LINK,
  6837. "Reading from eeprom is limited to 0xf\n");
  6838. return -EINVAL;
  6839. }
  6840. /* Set the read command byte count */
  6841. bnx2x_cl45_write(bp, phy,
  6842. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6843. (byte_cnt | (dev_addr << 8)));
  6844. /* Set the read command address */
  6845. bnx2x_cl45_write(bp, phy,
  6846. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6847. addr);
  6848. /* Activate read command */
  6849. bnx2x_cl45_write(bp, phy,
  6850. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6851. 0x2c0f);
  6852. /* Wait up to 500us for command complete status */
  6853. for (i = 0; i < 100; i++) {
  6854. bnx2x_cl45_read(bp, phy,
  6855. MDIO_PMA_DEVAD,
  6856. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6857. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6858. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6859. break;
  6860. udelay(5);
  6861. }
  6862. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6863. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6864. DP(NETIF_MSG_LINK,
  6865. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6866. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6867. return -EINVAL;
  6868. }
  6869. /* Read the buffer */
  6870. for (i = 0; i < byte_cnt; i++) {
  6871. bnx2x_cl45_read(bp, phy,
  6872. MDIO_PMA_DEVAD,
  6873. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6874. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6875. }
  6876. for (i = 0; i < 100; i++) {
  6877. bnx2x_cl45_read(bp, phy,
  6878. MDIO_PMA_DEVAD,
  6879. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6880. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6881. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6882. return 0;
  6883. usleep_range(1000, 2000);
  6884. }
  6885. return -EINVAL;
  6886. }
  6887. static void bnx2x_warpcore_power_module(struct link_params *params,
  6888. u8 power)
  6889. {
  6890. u32 pin_cfg;
  6891. struct bnx2x *bp = params->bp;
  6892. pin_cfg = (REG_RD(bp, params->shmem_base +
  6893. offsetof(struct shmem_region,
  6894. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6895. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6896. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6897. if (pin_cfg == PIN_CFG_NA)
  6898. return;
  6899. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6900. power, pin_cfg);
  6901. /* Low ==> corresponding SFP+ module is powered
  6902. * high ==> the SFP+ module is powered down
  6903. */
  6904. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6905. }
  6906. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6907. struct link_params *params,
  6908. u8 dev_addr,
  6909. u16 addr, u8 byte_cnt,
  6910. u8 *o_buf, u8 is_init)
  6911. {
  6912. int rc = 0;
  6913. u8 i, j = 0, cnt = 0;
  6914. u32 data_array[4];
  6915. u16 addr32;
  6916. struct bnx2x *bp = params->bp;
  6917. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6918. DP(NETIF_MSG_LINK,
  6919. "Reading from eeprom is limited to 16 bytes\n");
  6920. return -EINVAL;
  6921. }
  6922. /* 4 byte aligned address */
  6923. addr32 = addr & (~0x3);
  6924. do {
  6925. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6926. bnx2x_warpcore_power_module(params, 0);
  6927. /* Note that 100us are not enough here */
  6928. usleep_range(1000, 2000);
  6929. bnx2x_warpcore_power_module(params, 1);
  6930. }
  6931. rc = bnx2x_bsc_read(params, bp, dev_addr, addr32, 0, byte_cnt,
  6932. data_array);
  6933. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6934. if (rc == 0) {
  6935. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6936. o_buf[j] = *((u8 *)data_array + i);
  6937. j++;
  6938. }
  6939. }
  6940. return rc;
  6941. }
  6942. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6943. struct link_params *params,
  6944. u8 dev_addr, u16 addr, u8 byte_cnt,
  6945. u8 *o_buf, u8 is_init)
  6946. {
  6947. struct bnx2x *bp = params->bp;
  6948. u16 val, i;
  6949. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6950. DP(NETIF_MSG_LINK,
  6951. "Reading from eeprom is limited to 0xf\n");
  6952. return -EINVAL;
  6953. }
  6954. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6955. * to 100Khz since some DACs(direct attached cables) do
  6956. * not work at 400Khz.
  6957. */
  6958. bnx2x_cl45_write(bp, phy,
  6959. MDIO_PMA_DEVAD,
  6960. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6961. ((dev_addr << 8) | 1));
  6962. /* Need to read from 1.8000 to clear it */
  6963. bnx2x_cl45_read(bp, phy,
  6964. MDIO_PMA_DEVAD,
  6965. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6966. &val);
  6967. /* Set the read command byte count */
  6968. bnx2x_cl45_write(bp, phy,
  6969. MDIO_PMA_DEVAD,
  6970. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6971. ((byte_cnt < 2) ? 2 : byte_cnt));
  6972. /* Set the read command address */
  6973. bnx2x_cl45_write(bp, phy,
  6974. MDIO_PMA_DEVAD,
  6975. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6976. addr);
  6977. /* Set the destination address */
  6978. bnx2x_cl45_write(bp, phy,
  6979. MDIO_PMA_DEVAD,
  6980. 0x8004,
  6981. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6982. /* Activate read command */
  6983. bnx2x_cl45_write(bp, phy,
  6984. MDIO_PMA_DEVAD,
  6985. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6986. 0x8002);
  6987. /* Wait appropriate time for two-wire command to finish before
  6988. * polling the status register
  6989. */
  6990. usleep_range(1000, 2000);
  6991. /* Wait up to 500us for command complete status */
  6992. for (i = 0; i < 100; i++) {
  6993. bnx2x_cl45_read(bp, phy,
  6994. MDIO_PMA_DEVAD,
  6995. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6996. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6997. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6998. break;
  6999. udelay(5);
  7000. }
  7001. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7002. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7003. DP(NETIF_MSG_LINK,
  7004. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7005. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7006. return -EFAULT;
  7007. }
  7008. /* Read the buffer */
  7009. for (i = 0; i < byte_cnt; i++) {
  7010. bnx2x_cl45_read(bp, phy,
  7011. MDIO_PMA_DEVAD,
  7012. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7013. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7014. }
  7015. for (i = 0; i < 100; i++) {
  7016. bnx2x_cl45_read(bp, phy,
  7017. MDIO_PMA_DEVAD,
  7018. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7019. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7020. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7021. return 0;
  7022. usleep_range(1000, 2000);
  7023. }
  7024. return -EINVAL;
  7025. }
  7026. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7027. struct link_params *params, u8 dev_addr,
  7028. u16 addr, u16 byte_cnt, u8 *o_buf)
  7029. {
  7030. int rc = 0;
  7031. struct bnx2x *bp = params->bp;
  7032. u8 xfer_size;
  7033. u8 *user_data = o_buf;
  7034. read_sfp_module_eeprom_func_p read_func;
  7035. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7036. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7037. return -EINVAL;
  7038. }
  7039. switch (phy->type) {
  7040. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7041. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7042. break;
  7043. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7044. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7045. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7046. break;
  7047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7048. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7049. break;
  7050. default:
  7051. return -EOPNOTSUPP;
  7052. }
  7053. while (!rc && (byte_cnt > 0)) {
  7054. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7055. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7056. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7057. user_data, 0);
  7058. byte_cnt -= xfer_size;
  7059. user_data += xfer_size;
  7060. addr += xfer_size;
  7061. }
  7062. return rc;
  7063. }
  7064. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7065. struct link_params *params,
  7066. u16 *edc_mode)
  7067. {
  7068. struct bnx2x *bp = params->bp;
  7069. u32 sync_offset = 0, phy_idx, media_types;
  7070. u8 gport, val[2], check_limiting_mode = 0;
  7071. *edc_mode = EDC_MODE_LIMITING;
  7072. phy->media_type = ETH_PHY_UNSPECIFIED;
  7073. /* First check for copper cable */
  7074. if (bnx2x_read_sfp_module_eeprom(phy,
  7075. params,
  7076. I2C_DEV_ADDR_A0,
  7077. SFP_EEPROM_CON_TYPE_ADDR,
  7078. 2,
  7079. (u8 *)val) != 0) {
  7080. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7081. return -EINVAL;
  7082. }
  7083. switch (val[0]) {
  7084. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7085. {
  7086. u8 copper_module_type;
  7087. phy->media_type = ETH_PHY_DA_TWINAX;
  7088. /* Check if its active cable (includes SFP+ module)
  7089. * of passive cable
  7090. */
  7091. if (bnx2x_read_sfp_module_eeprom(phy,
  7092. params,
  7093. I2C_DEV_ADDR_A0,
  7094. SFP_EEPROM_FC_TX_TECH_ADDR,
  7095. 1,
  7096. &copper_module_type) != 0) {
  7097. DP(NETIF_MSG_LINK,
  7098. "Failed to read copper-cable-type"
  7099. " from SFP+ EEPROM\n");
  7100. return -EINVAL;
  7101. }
  7102. if (copper_module_type &
  7103. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7104. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7105. check_limiting_mode = 1;
  7106. } else if (copper_module_type &
  7107. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7108. DP(NETIF_MSG_LINK,
  7109. "Passive Copper cable detected\n");
  7110. *edc_mode =
  7111. EDC_MODE_PASSIVE_DAC;
  7112. } else {
  7113. DP(NETIF_MSG_LINK,
  7114. "Unknown copper-cable-type 0x%x !!!\n",
  7115. copper_module_type);
  7116. return -EINVAL;
  7117. }
  7118. break;
  7119. }
  7120. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7121. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7122. check_limiting_mode = 1;
  7123. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7124. SFP_EEPROM_COMP_CODE_LR_MASK |
  7125. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7126. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7127. gport = params->port;
  7128. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7129. if (phy->req_line_speed != SPEED_1000) {
  7130. phy->req_line_speed = SPEED_1000;
  7131. if (!CHIP_IS_E1x(bp)) {
  7132. gport = BP_PATH(bp) +
  7133. (params->port << 1);
  7134. }
  7135. netdev_err(bp->dev,
  7136. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7137. gport);
  7138. }
  7139. } else {
  7140. int idx, cfg_idx = 0;
  7141. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7142. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7143. if (params->phy[idx].type == phy->type) {
  7144. cfg_idx = LINK_CONFIG_IDX(idx);
  7145. break;
  7146. }
  7147. }
  7148. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7149. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7150. }
  7151. break;
  7152. default:
  7153. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7154. val[0]);
  7155. return -EINVAL;
  7156. }
  7157. sync_offset = params->shmem_base +
  7158. offsetof(struct shmem_region,
  7159. dev_info.port_hw_config[params->port].media_type);
  7160. media_types = REG_RD(bp, sync_offset);
  7161. /* Update media type for non-PMF sync */
  7162. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7163. if (&(params->phy[phy_idx]) == phy) {
  7164. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7165. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7166. media_types |= ((phy->media_type &
  7167. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7168. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7169. break;
  7170. }
  7171. }
  7172. REG_WR(bp, sync_offset, media_types);
  7173. if (check_limiting_mode) {
  7174. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7175. if (bnx2x_read_sfp_module_eeprom(phy,
  7176. params,
  7177. I2C_DEV_ADDR_A0,
  7178. SFP_EEPROM_OPTIONS_ADDR,
  7179. SFP_EEPROM_OPTIONS_SIZE,
  7180. options) != 0) {
  7181. DP(NETIF_MSG_LINK,
  7182. "Failed to read Option field from module EEPROM\n");
  7183. return -EINVAL;
  7184. }
  7185. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7186. *edc_mode = EDC_MODE_LINEAR;
  7187. else
  7188. *edc_mode = EDC_MODE_LIMITING;
  7189. }
  7190. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7191. return 0;
  7192. }
  7193. /* This function read the relevant field from the module (SFP+), and verify it
  7194. * is compliant with this board
  7195. */
  7196. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7197. struct link_params *params)
  7198. {
  7199. struct bnx2x *bp = params->bp;
  7200. u32 val, cmd;
  7201. u32 fw_resp, fw_cmd_param;
  7202. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7203. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7204. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7205. val = REG_RD(bp, params->shmem_base +
  7206. offsetof(struct shmem_region, dev_info.
  7207. port_feature_config[params->port].config));
  7208. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7209. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7210. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7211. return 0;
  7212. }
  7213. if (params->feature_config_flags &
  7214. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7215. /* Use specific phy request */
  7216. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7217. } else if (params->feature_config_flags &
  7218. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7219. /* Use first phy request only in case of non-dual media*/
  7220. if (DUAL_MEDIA(params)) {
  7221. DP(NETIF_MSG_LINK,
  7222. "FW does not support OPT MDL verification\n");
  7223. return -EINVAL;
  7224. }
  7225. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7226. } else {
  7227. /* No support in OPT MDL detection */
  7228. DP(NETIF_MSG_LINK,
  7229. "FW does not support OPT MDL verification\n");
  7230. return -EINVAL;
  7231. }
  7232. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7233. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7234. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7235. DP(NETIF_MSG_LINK, "Approved module\n");
  7236. return 0;
  7237. }
  7238. /* Format the warning message */
  7239. if (bnx2x_read_sfp_module_eeprom(phy,
  7240. params,
  7241. I2C_DEV_ADDR_A0,
  7242. SFP_EEPROM_VENDOR_NAME_ADDR,
  7243. SFP_EEPROM_VENDOR_NAME_SIZE,
  7244. (u8 *)vendor_name))
  7245. vendor_name[0] = '\0';
  7246. else
  7247. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7248. if (bnx2x_read_sfp_module_eeprom(phy,
  7249. params,
  7250. I2C_DEV_ADDR_A0,
  7251. SFP_EEPROM_PART_NO_ADDR,
  7252. SFP_EEPROM_PART_NO_SIZE,
  7253. (u8 *)vendor_pn))
  7254. vendor_pn[0] = '\0';
  7255. else
  7256. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7257. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7258. " Port %d from %s part number %s\n",
  7259. params->port, vendor_name, vendor_pn);
  7260. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7261. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7262. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7263. return -EINVAL;
  7264. }
  7265. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7266. struct link_params *params)
  7267. {
  7268. u8 val;
  7269. int rc;
  7270. struct bnx2x *bp = params->bp;
  7271. u16 timeout;
  7272. /* Initialization time after hot-plug may take up to 300ms for
  7273. * some phys type ( e.g. JDSU )
  7274. */
  7275. for (timeout = 0; timeout < 60; timeout++) {
  7276. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7277. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7278. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7279. 1);
  7280. else
  7281. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7282. I2C_DEV_ADDR_A0,
  7283. 1, 1, &val);
  7284. if (rc == 0) {
  7285. DP(NETIF_MSG_LINK,
  7286. "SFP+ module initialization took %d ms\n",
  7287. timeout * 5);
  7288. return 0;
  7289. }
  7290. usleep_range(5000, 10000);
  7291. }
  7292. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7293. 1, 1, &val);
  7294. return rc;
  7295. }
  7296. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7297. struct bnx2x_phy *phy,
  7298. u8 is_power_up) {
  7299. /* Make sure GPIOs are not using for LED mode */
  7300. u16 val;
  7301. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7302. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7303. * output
  7304. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7305. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7306. * where the 1st bit is the over-current(only input), and 2nd bit is
  7307. * for power( only output )
  7308. *
  7309. * In case of NOC feature is disabled and power is up, set GPIO control
  7310. * as input to enable listening of over-current indication
  7311. */
  7312. if (phy->flags & FLAGS_NOC)
  7313. return;
  7314. if (is_power_up)
  7315. val = (1<<4);
  7316. else
  7317. /* Set GPIO control to OUTPUT, and set the power bit
  7318. * to according to the is_power_up
  7319. */
  7320. val = (1<<1);
  7321. bnx2x_cl45_write(bp, phy,
  7322. MDIO_PMA_DEVAD,
  7323. MDIO_PMA_REG_8727_GPIO_CTRL,
  7324. val);
  7325. }
  7326. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7327. struct bnx2x_phy *phy,
  7328. u16 edc_mode)
  7329. {
  7330. u16 cur_limiting_mode;
  7331. bnx2x_cl45_read(bp, phy,
  7332. MDIO_PMA_DEVAD,
  7333. MDIO_PMA_REG_ROM_VER2,
  7334. &cur_limiting_mode);
  7335. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7336. cur_limiting_mode);
  7337. if (edc_mode == EDC_MODE_LIMITING) {
  7338. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7339. bnx2x_cl45_write(bp, phy,
  7340. MDIO_PMA_DEVAD,
  7341. MDIO_PMA_REG_ROM_VER2,
  7342. EDC_MODE_LIMITING);
  7343. } else { /* LRM mode ( default )*/
  7344. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7345. /* Changing to LRM mode takes quite few seconds. So do it only
  7346. * if current mode is limiting (default is LRM)
  7347. */
  7348. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7349. return 0;
  7350. bnx2x_cl45_write(bp, phy,
  7351. MDIO_PMA_DEVAD,
  7352. MDIO_PMA_REG_LRM_MODE,
  7353. 0);
  7354. bnx2x_cl45_write(bp, phy,
  7355. MDIO_PMA_DEVAD,
  7356. MDIO_PMA_REG_ROM_VER2,
  7357. 0x128);
  7358. bnx2x_cl45_write(bp, phy,
  7359. MDIO_PMA_DEVAD,
  7360. MDIO_PMA_REG_MISC_CTRL0,
  7361. 0x4008);
  7362. bnx2x_cl45_write(bp, phy,
  7363. MDIO_PMA_DEVAD,
  7364. MDIO_PMA_REG_LRM_MODE,
  7365. 0xaaaa);
  7366. }
  7367. return 0;
  7368. }
  7369. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7370. struct bnx2x_phy *phy,
  7371. u16 edc_mode)
  7372. {
  7373. u16 phy_identifier;
  7374. u16 rom_ver2_val;
  7375. bnx2x_cl45_read(bp, phy,
  7376. MDIO_PMA_DEVAD,
  7377. MDIO_PMA_REG_PHY_IDENTIFIER,
  7378. &phy_identifier);
  7379. bnx2x_cl45_write(bp, phy,
  7380. MDIO_PMA_DEVAD,
  7381. MDIO_PMA_REG_PHY_IDENTIFIER,
  7382. (phy_identifier & ~(1<<9)));
  7383. bnx2x_cl45_read(bp, phy,
  7384. MDIO_PMA_DEVAD,
  7385. MDIO_PMA_REG_ROM_VER2,
  7386. &rom_ver2_val);
  7387. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7388. bnx2x_cl45_write(bp, phy,
  7389. MDIO_PMA_DEVAD,
  7390. MDIO_PMA_REG_ROM_VER2,
  7391. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7392. bnx2x_cl45_write(bp, phy,
  7393. MDIO_PMA_DEVAD,
  7394. MDIO_PMA_REG_PHY_IDENTIFIER,
  7395. (phy_identifier | (1<<9)));
  7396. return 0;
  7397. }
  7398. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7399. struct link_params *params,
  7400. u32 action)
  7401. {
  7402. struct bnx2x *bp = params->bp;
  7403. u16 val;
  7404. switch (action) {
  7405. case DISABLE_TX:
  7406. bnx2x_sfp_set_transmitter(params, phy, 0);
  7407. break;
  7408. case ENABLE_TX:
  7409. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7410. bnx2x_sfp_set_transmitter(params, phy, 1);
  7411. break;
  7412. case PHY_INIT:
  7413. bnx2x_cl45_write(bp, phy,
  7414. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7415. (1<<2) | (1<<5));
  7416. bnx2x_cl45_write(bp, phy,
  7417. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7418. 0);
  7419. bnx2x_cl45_write(bp, phy,
  7420. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7421. /* Make MOD_ABS give interrupt on change */
  7422. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7423. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7424. &val);
  7425. val |= (1<<12);
  7426. if (phy->flags & FLAGS_NOC)
  7427. val |= (3<<5);
  7428. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7429. * status which reflect SFP+ module over-current
  7430. */
  7431. if (!(phy->flags & FLAGS_NOC))
  7432. val &= 0xff8f; /* Reset bits 4-6 */
  7433. bnx2x_cl45_write(bp, phy,
  7434. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7435. val);
  7436. break;
  7437. default:
  7438. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7439. action);
  7440. return;
  7441. }
  7442. }
  7443. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7444. u8 gpio_mode)
  7445. {
  7446. struct bnx2x *bp = params->bp;
  7447. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7448. offsetof(struct shmem_region,
  7449. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7450. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7451. switch (fault_led_gpio) {
  7452. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7453. return;
  7454. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7455. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7456. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7457. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7458. {
  7459. u8 gpio_port = bnx2x_get_gpio_port(params);
  7460. u16 gpio_pin = fault_led_gpio -
  7461. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7462. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7463. "pin %x port %x mode %x\n",
  7464. gpio_pin, gpio_port, gpio_mode);
  7465. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7466. }
  7467. break;
  7468. default:
  7469. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7470. fault_led_gpio);
  7471. }
  7472. }
  7473. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7474. u8 gpio_mode)
  7475. {
  7476. u32 pin_cfg;
  7477. u8 port = params->port;
  7478. struct bnx2x *bp = params->bp;
  7479. pin_cfg = (REG_RD(bp, params->shmem_base +
  7480. offsetof(struct shmem_region,
  7481. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7482. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7483. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7484. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7485. gpio_mode, pin_cfg);
  7486. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7487. }
  7488. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7489. u8 gpio_mode)
  7490. {
  7491. struct bnx2x *bp = params->bp;
  7492. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7493. if (CHIP_IS_E3(bp)) {
  7494. /* Low ==> if SFP+ module is supported otherwise
  7495. * High ==> if SFP+ module is not on the approved vendor list
  7496. */
  7497. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7498. } else
  7499. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7500. }
  7501. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7502. struct link_params *params)
  7503. {
  7504. struct bnx2x *bp = params->bp;
  7505. bnx2x_warpcore_power_module(params, 0);
  7506. /* Put Warpcore in low power mode */
  7507. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7508. /* Put LCPLL in low power mode */
  7509. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7510. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7511. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7512. }
  7513. static void bnx2x_power_sfp_module(struct link_params *params,
  7514. struct bnx2x_phy *phy,
  7515. u8 power)
  7516. {
  7517. struct bnx2x *bp = params->bp;
  7518. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7519. switch (phy->type) {
  7520. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7521. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7522. bnx2x_8727_power_module(params->bp, phy, power);
  7523. break;
  7524. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7525. bnx2x_warpcore_power_module(params, power);
  7526. break;
  7527. default:
  7528. break;
  7529. }
  7530. }
  7531. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7532. struct bnx2x_phy *phy,
  7533. u16 edc_mode)
  7534. {
  7535. u16 val = 0;
  7536. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7537. struct bnx2x *bp = params->bp;
  7538. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7539. /* This is a global register which controls all lanes */
  7540. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7541. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7542. val &= ~(0xf << (lane << 2));
  7543. switch (edc_mode) {
  7544. case EDC_MODE_LINEAR:
  7545. case EDC_MODE_LIMITING:
  7546. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7547. break;
  7548. case EDC_MODE_PASSIVE_DAC:
  7549. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7550. break;
  7551. default:
  7552. break;
  7553. }
  7554. val |= (mode << (lane << 2));
  7555. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7556. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7557. /* A must read */
  7558. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7559. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7560. /* Restart microcode to re-read the new mode */
  7561. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7562. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7563. }
  7564. static void bnx2x_set_limiting_mode(struct link_params *params,
  7565. struct bnx2x_phy *phy,
  7566. u16 edc_mode)
  7567. {
  7568. switch (phy->type) {
  7569. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7570. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7571. break;
  7572. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7573. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7574. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7575. break;
  7576. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7577. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7578. break;
  7579. }
  7580. }
  7581. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7582. struct link_params *params)
  7583. {
  7584. struct bnx2x *bp = params->bp;
  7585. u16 edc_mode;
  7586. int rc = 0;
  7587. u32 val = REG_RD(bp, params->shmem_base +
  7588. offsetof(struct shmem_region, dev_info.
  7589. port_feature_config[params->port].config));
  7590. /* Enabled transmitter by default */
  7591. bnx2x_sfp_set_transmitter(params, phy, 1);
  7592. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7593. params->port);
  7594. /* Power up module */
  7595. bnx2x_power_sfp_module(params, phy, 1);
  7596. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7597. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7598. return -EINVAL;
  7599. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7600. /* Check SFP+ module compatibility */
  7601. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7602. rc = -EINVAL;
  7603. /* Turn on fault module-detected led */
  7604. bnx2x_set_sfp_module_fault_led(params,
  7605. MISC_REGISTERS_GPIO_HIGH);
  7606. /* Check if need to power down the SFP+ module */
  7607. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7608. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7609. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7610. bnx2x_power_sfp_module(params, phy, 0);
  7611. return rc;
  7612. }
  7613. } else {
  7614. /* Turn off fault module-detected led */
  7615. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7616. }
  7617. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7618. * is done automatically
  7619. */
  7620. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7621. /* Disable transmit for this module if the module is not approved, and
  7622. * laser needs to be disabled.
  7623. */
  7624. if ((rc) &&
  7625. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7626. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7627. bnx2x_sfp_set_transmitter(params, phy, 0);
  7628. return rc;
  7629. }
  7630. void bnx2x_handle_module_detect_int(struct link_params *params)
  7631. {
  7632. struct bnx2x *bp = params->bp;
  7633. struct bnx2x_phy *phy;
  7634. u32 gpio_val;
  7635. u8 gpio_num, gpio_port;
  7636. if (CHIP_IS_E3(bp)) {
  7637. phy = &params->phy[INT_PHY];
  7638. /* Always enable TX laser,will be disabled in case of fault */
  7639. bnx2x_sfp_set_transmitter(params, phy, 1);
  7640. } else {
  7641. phy = &params->phy[EXT_PHY1];
  7642. }
  7643. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7644. params->port, &gpio_num, &gpio_port) ==
  7645. -EINVAL) {
  7646. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7647. return;
  7648. }
  7649. /* Set valid module led off */
  7650. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7651. /* Get current gpio val reflecting module plugged in / out*/
  7652. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7653. /* Call the handling function in case module is detected */
  7654. if (gpio_val == 0) {
  7655. bnx2x_set_mdio_emac_per_phy(bp, params);
  7656. bnx2x_set_aer_mmd(params, phy);
  7657. bnx2x_power_sfp_module(params, phy, 1);
  7658. bnx2x_set_gpio_int(bp, gpio_num,
  7659. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7660. gpio_port);
  7661. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7662. bnx2x_sfp_module_detection(phy, params);
  7663. if (CHIP_IS_E3(bp)) {
  7664. u16 rx_tx_in_reset;
  7665. /* In case WC is out of reset, reconfigure the
  7666. * link speed while taking into account 1G
  7667. * module limitation.
  7668. */
  7669. bnx2x_cl45_read(bp, phy,
  7670. MDIO_WC_DEVAD,
  7671. MDIO_WC_REG_DIGITAL5_MISC6,
  7672. &rx_tx_in_reset);
  7673. if ((!rx_tx_in_reset) &&
  7674. (params->link_flags &
  7675. PHY_INITIALIZED)) {
  7676. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7677. bnx2x_warpcore_config_sfi(phy, params);
  7678. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7679. }
  7680. }
  7681. } else {
  7682. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7683. }
  7684. } else {
  7685. bnx2x_set_gpio_int(bp, gpio_num,
  7686. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7687. gpio_port);
  7688. /* Module was plugged out.
  7689. * Disable transmit for this module
  7690. */
  7691. phy->media_type = ETH_PHY_NOT_PRESENT;
  7692. }
  7693. }
  7694. /******************************************************************/
  7695. /* Used by 8706 and 8727 */
  7696. /******************************************************************/
  7697. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7698. struct bnx2x_phy *phy,
  7699. u16 alarm_status_offset,
  7700. u16 alarm_ctrl_offset)
  7701. {
  7702. u16 alarm_status, val;
  7703. bnx2x_cl45_read(bp, phy,
  7704. MDIO_PMA_DEVAD, alarm_status_offset,
  7705. &alarm_status);
  7706. bnx2x_cl45_read(bp, phy,
  7707. MDIO_PMA_DEVAD, alarm_status_offset,
  7708. &alarm_status);
  7709. /* Mask or enable the fault event. */
  7710. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7711. if (alarm_status & (1<<0))
  7712. val &= ~(1<<0);
  7713. else
  7714. val |= (1<<0);
  7715. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7716. }
  7717. /******************************************************************/
  7718. /* common BCM8706/BCM8726 PHY SECTION */
  7719. /******************************************************************/
  7720. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7721. struct link_params *params,
  7722. struct link_vars *vars)
  7723. {
  7724. u8 link_up = 0;
  7725. u16 val1, val2, rx_sd, pcs_status;
  7726. struct bnx2x *bp = params->bp;
  7727. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7728. /* Clear RX Alarm*/
  7729. bnx2x_cl45_read(bp, phy,
  7730. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7731. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7732. MDIO_PMA_LASI_TXCTRL);
  7733. /* Clear LASI indication*/
  7734. bnx2x_cl45_read(bp, phy,
  7735. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7736. bnx2x_cl45_read(bp, phy,
  7737. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7738. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7739. bnx2x_cl45_read(bp, phy,
  7740. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7741. bnx2x_cl45_read(bp, phy,
  7742. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7743. bnx2x_cl45_read(bp, phy,
  7744. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7745. bnx2x_cl45_read(bp, phy,
  7746. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7747. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7748. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7749. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7750. * are set, or if the autoneg bit 1 is set
  7751. */
  7752. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7753. if (link_up) {
  7754. if (val2 & (1<<1))
  7755. vars->line_speed = SPEED_1000;
  7756. else
  7757. vars->line_speed = SPEED_10000;
  7758. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7759. vars->duplex = DUPLEX_FULL;
  7760. }
  7761. /* Capture 10G link fault. Read twice to clear stale value. */
  7762. if (vars->line_speed == SPEED_10000) {
  7763. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7764. MDIO_PMA_LASI_TXSTAT, &val1);
  7765. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7766. MDIO_PMA_LASI_TXSTAT, &val1);
  7767. if (val1 & (1<<0))
  7768. vars->fault_detected = 1;
  7769. }
  7770. return link_up;
  7771. }
  7772. /******************************************************************/
  7773. /* BCM8706 PHY SECTION */
  7774. /******************************************************************/
  7775. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7776. struct link_params *params,
  7777. struct link_vars *vars)
  7778. {
  7779. u32 tx_en_mode;
  7780. u16 cnt, val, tmp1;
  7781. struct bnx2x *bp = params->bp;
  7782. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7783. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7784. /* HW reset */
  7785. bnx2x_ext_phy_hw_reset(bp, params->port);
  7786. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7787. bnx2x_wait_reset_complete(bp, phy, params);
  7788. /* Wait until fw is loaded */
  7789. for (cnt = 0; cnt < 100; cnt++) {
  7790. bnx2x_cl45_read(bp, phy,
  7791. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7792. if (val)
  7793. break;
  7794. usleep_range(10000, 20000);
  7795. }
  7796. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7797. if ((params->feature_config_flags &
  7798. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7799. u8 i;
  7800. u16 reg;
  7801. for (i = 0; i < 4; i++) {
  7802. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7803. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7804. MDIO_XS_8706_REG_BANK_RX0);
  7805. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7806. /* Clear first 3 bits of the control */
  7807. val &= ~0x7;
  7808. /* Set control bits according to configuration */
  7809. val |= (phy->rx_preemphasis[i] & 0x7);
  7810. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7811. " reg 0x%x <-- val 0x%x\n", reg, val);
  7812. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7813. }
  7814. }
  7815. /* Force speed */
  7816. if (phy->req_line_speed == SPEED_10000) {
  7817. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7818. bnx2x_cl45_write(bp, phy,
  7819. MDIO_PMA_DEVAD,
  7820. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7821. bnx2x_cl45_write(bp, phy,
  7822. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7823. 0);
  7824. /* Arm LASI for link and Tx fault. */
  7825. bnx2x_cl45_write(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7827. } else {
  7828. /* Force 1Gbps using autoneg with 1G advertisement */
  7829. /* Allow CL37 through CL73 */
  7830. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7831. bnx2x_cl45_write(bp, phy,
  7832. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7833. /* Enable Full-Duplex advertisement on CL37 */
  7834. bnx2x_cl45_write(bp, phy,
  7835. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7836. /* Enable CL37 AN */
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7839. /* 1G support */
  7840. bnx2x_cl45_write(bp, phy,
  7841. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7842. /* Enable clause 73 AN */
  7843. bnx2x_cl45_write(bp, phy,
  7844. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7845. bnx2x_cl45_write(bp, phy,
  7846. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7847. 0x0400);
  7848. bnx2x_cl45_write(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7850. 0x0004);
  7851. }
  7852. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7853. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7854. * power mode, if TX Laser is disabled
  7855. */
  7856. tx_en_mode = REG_RD(bp, params->shmem_base +
  7857. offsetof(struct shmem_region,
  7858. dev_info.port_hw_config[params->port].sfp_ctrl))
  7859. & PORT_HW_CFG_TX_LASER_MASK;
  7860. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7861. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7862. bnx2x_cl45_read(bp, phy,
  7863. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7864. tmp1 |= 0x1;
  7865. bnx2x_cl45_write(bp, phy,
  7866. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7867. }
  7868. return 0;
  7869. }
  7870. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7871. struct link_params *params,
  7872. struct link_vars *vars)
  7873. {
  7874. return bnx2x_8706_8726_read_status(phy, params, vars);
  7875. }
  7876. /******************************************************************/
  7877. /* BCM8726 PHY SECTION */
  7878. /******************************************************************/
  7879. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7880. struct link_params *params)
  7881. {
  7882. struct bnx2x *bp = params->bp;
  7883. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7884. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7885. }
  7886. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7887. struct link_params *params)
  7888. {
  7889. struct bnx2x *bp = params->bp;
  7890. /* Need to wait 100ms after reset */
  7891. msleep(100);
  7892. /* Micro controller re-boot */
  7893. bnx2x_cl45_write(bp, phy,
  7894. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7895. /* Set soft reset */
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_PMA_DEVAD,
  7898. MDIO_PMA_REG_GEN_CTRL,
  7899. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7900. bnx2x_cl45_write(bp, phy,
  7901. MDIO_PMA_DEVAD,
  7902. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7903. bnx2x_cl45_write(bp, phy,
  7904. MDIO_PMA_DEVAD,
  7905. MDIO_PMA_REG_GEN_CTRL,
  7906. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7907. /* Wait for 150ms for microcode load */
  7908. msleep(150);
  7909. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7910. bnx2x_cl45_write(bp, phy,
  7911. MDIO_PMA_DEVAD,
  7912. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7913. msleep(200);
  7914. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7915. }
  7916. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7917. struct link_params *params,
  7918. struct link_vars *vars)
  7919. {
  7920. struct bnx2x *bp = params->bp;
  7921. u16 val1;
  7922. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7923. if (link_up) {
  7924. bnx2x_cl45_read(bp, phy,
  7925. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7926. &val1);
  7927. if (val1 & (1<<15)) {
  7928. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7929. link_up = 0;
  7930. vars->line_speed = 0;
  7931. }
  7932. }
  7933. return link_up;
  7934. }
  7935. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7936. struct link_params *params,
  7937. struct link_vars *vars)
  7938. {
  7939. struct bnx2x *bp = params->bp;
  7940. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7941. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7942. bnx2x_wait_reset_complete(bp, phy, params);
  7943. bnx2x_8726_external_rom_boot(phy, params);
  7944. /* Need to call module detected on initialization since the module
  7945. * detection triggered by actual module insertion might occur before
  7946. * driver is loaded, and when driver is loaded, it reset all
  7947. * registers, including the transmitter
  7948. */
  7949. bnx2x_sfp_module_detection(phy, params);
  7950. if (phy->req_line_speed == SPEED_1000) {
  7951. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7952. bnx2x_cl45_write(bp, phy,
  7953. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7954. bnx2x_cl45_write(bp, phy,
  7955. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7956. bnx2x_cl45_write(bp, phy,
  7957. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7958. bnx2x_cl45_write(bp, phy,
  7959. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7960. 0x400);
  7961. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7962. (phy->speed_cap_mask &
  7963. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7964. ((phy->speed_cap_mask &
  7965. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7966. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7967. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7968. /* Set Flow control */
  7969. bnx2x_ext_phy_set_pause(params, phy, vars);
  7970. bnx2x_cl45_write(bp, phy,
  7971. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7972. bnx2x_cl45_write(bp, phy,
  7973. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7974. bnx2x_cl45_write(bp, phy,
  7975. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7976. bnx2x_cl45_write(bp, phy,
  7977. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7978. bnx2x_cl45_write(bp, phy,
  7979. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7980. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7981. * change
  7982. */
  7983. bnx2x_cl45_write(bp, phy,
  7984. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7985. bnx2x_cl45_write(bp, phy,
  7986. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7987. 0x400);
  7988. } else { /* Default 10G. Set only LASI control */
  7989. bnx2x_cl45_write(bp, phy,
  7990. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7991. }
  7992. /* Set TX PreEmphasis if needed */
  7993. if ((params->feature_config_flags &
  7994. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7995. DP(NETIF_MSG_LINK,
  7996. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7997. phy->tx_preemphasis[0],
  7998. phy->tx_preemphasis[1]);
  7999. bnx2x_cl45_write(bp, phy,
  8000. MDIO_PMA_DEVAD,
  8001. MDIO_PMA_REG_8726_TX_CTRL1,
  8002. phy->tx_preemphasis[0]);
  8003. bnx2x_cl45_write(bp, phy,
  8004. MDIO_PMA_DEVAD,
  8005. MDIO_PMA_REG_8726_TX_CTRL2,
  8006. phy->tx_preemphasis[1]);
  8007. }
  8008. return 0;
  8009. }
  8010. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8011. struct link_params *params)
  8012. {
  8013. struct bnx2x *bp = params->bp;
  8014. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8015. /* Set serial boot control for external load */
  8016. bnx2x_cl45_write(bp, phy,
  8017. MDIO_PMA_DEVAD,
  8018. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8019. }
  8020. /******************************************************************/
  8021. /* BCM8727 PHY SECTION */
  8022. /******************************************************************/
  8023. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8024. struct link_params *params, u8 mode)
  8025. {
  8026. struct bnx2x *bp = params->bp;
  8027. u16 led_mode_bitmask = 0;
  8028. u16 gpio_pins_bitmask = 0;
  8029. u16 val;
  8030. /* Only NOC flavor requires to set the LED specifically */
  8031. if (!(phy->flags & FLAGS_NOC))
  8032. return;
  8033. switch (mode) {
  8034. case LED_MODE_FRONT_PANEL_OFF:
  8035. case LED_MODE_OFF:
  8036. led_mode_bitmask = 0;
  8037. gpio_pins_bitmask = 0x03;
  8038. break;
  8039. case LED_MODE_ON:
  8040. led_mode_bitmask = 0;
  8041. gpio_pins_bitmask = 0x02;
  8042. break;
  8043. case LED_MODE_OPER:
  8044. led_mode_bitmask = 0x60;
  8045. gpio_pins_bitmask = 0x11;
  8046. break;
  8047. }
  8048. bnx2x_cl45_read(bp, phy,
  8049. MDIO_PMA_DEVAD,
  8050. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8051. &val);
  8052. val &= 0xff8f;
  8053. val |= led_mode_bitmask;
  8054. bnx2x_cl45_write(bp, phy,
  8055. MDIO_PMA_DEVAD,
  8056. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8057. val);
  8058. bnx2x_cl45_read(bp, phy,
  8059. MDIO_PMA_DEVAD,
  8060. MDIO_PMA_REG_8727_GPIO_CTRL,
  8061. &val);
  8062. val &= 0xffe0;
  8063. val |= gpio_pins_bitmask;
  8064. bnx2x_cl45_write(bp, phy,
  8065. MDIO_PMA_DEVAD,
  8066. MDIO_PMA_REG_8727_GPIO_CTRL,
  8067. val);
  8068. }
  8069. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8070. struct link_params *params) {
  8071. u32 swap_val, swap_override;
  8072. u8 port;
  8073. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8074. * to cancel the swap done in set_gpio()
  8075. */
  8076. struct bnx2x *bp = params->bp;
  8077. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8078. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8079. port = (swap_val && swap_override) ^ 1;
  8080. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8081. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8082. }
  8083. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8084. struct link_params *params)
  8085. {
  8086. struct bnx2x *bp = params->bp;
  8087. u16 tmp1, val;
  8088. /* Set option 1G speed */
  8089. if ((phy->req_line_speed == SPEED_1000) ||
  8090. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8091. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8092. bnx2x_cl45_write(bp, phy,
  8093. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8094. bnx2x_cl45_write(bp, phy,
  8095. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8096. bnx2x_cl45_read(bp, phy,
  8097. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8098. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8099. /* Power down the XAUI until link is up in case of dual-media
  8100. * and 1G
  8101. */
  8102. if (DUAL_MEDIA(params)) {
  8103. bnx2x_cl45_read(bp, phy,
  8104. MDIO_PMA_DEVAD,
  8105. MDIO_PMA_REG_8727_PCS_GP, &val);
  8106. val |= (3<<10);
  8107. bnx2x_cl45_write(bp, phy,
  8108. MDIO_PMA_DEVAD,
  8109. MDIO_PMA_REG_8727_PCS_GP, val);
  8110. }
  8111. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8112. ((phy->speed_cap_mask &
  8113. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8114. ((phy->speed_cap_mask &
  8115. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8116. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8117. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8118. bnx2x_cl45_write(bp, phy,
  8119. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8120. bnx2x_cl45_write(bp, phy,
  8121. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8122. } else {
  8123. /* Since the 8727 has only single reset pin, need to set the 10G
  8124. * registers although it is default
  8125. */
  8126. bnx2x_cl45_write(bp, phy,
  8127. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8128. 0x0020);
  8129. bnx2x_cl45_write(bp, phy,
  8130. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8131. bnx2x_cl45_write(bp, phy,
  8132. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8133. bnx2x_cl45_write(bp, phy,
  8134. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8135. 0x0008);
  8136. }
  8137. }
  8138. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8139. struct link_params *params,
  8140. struct link_vars *vars)
  8141. {
  8142. u32 tx_en_mode;
  8143. u16 tmp1, mod_abs, tmp2;
  8144. struct bnx2x *bp = params->bp;
  8145. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8146. bnx2x_wait_reset_complete(bp, phy, params);
  8147. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8148. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8149. /* Initially configure MOD_ABS to interrupt when module is
  8150. * presence( bit 8)
  8151. */
  8152. bnx2x_cl45_read(bp, phy,
  8153. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8154. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8155. * When the EDC is off it locks onto a reference clock and avoids
  8156. * becoming 'lost'
  8157. */
  8158. mod_abs &= ~(1<<8);
  8159. if (!(phy->flags & FLAGS_NOC))
  8160. mod_abs &= ~(1<<9);
  8161. bnx2x_cl45_write(bp, phy,
  8162. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8163. /* Enable/Disable PHY transmitter output */
  8164. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8165. bnx2x_8727_power_module(bp, phy, 1);
  8166. bnx2x_cl45_read(bp, phy,
  8167. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8168. bnx2x_cl45_read(bp, phy,
  8169. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8170. bnx2x_8727_config_speed(phy, params);
  8171. /* Set TX PreEmphasis if needed */
  8172. if ((params->feature_config_flags &
  8173. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8174. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8175. phy->tx_preemphasis[0],
  8176. phy->tx_preemphasis[1]);
  8177. bnx2x_cl45_write(bp, phy,
  8178. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8179. phy->tx_preemphasis[0]);
  8180. bnx2x_cl45_write(bp, phy,
  8181. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8182. phy->tx_preemphasis[1]);
  8183. }
  8184. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8185. * power mode, if TX Laser is disabled
  8186. */
  8187. tx_en_mode = REG_RD(bp, params->shmem_base +
  8188. offsetof(struct shmem_region,
  8189. dev_info.port_hw_config[params->port].sfp_ctrl))
  8190. & PORT_HW_CFG_TX_LASER_MASK;
  8191. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8192. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8193. bnx2x_cl45_read(bp, phy,
  8194. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8195. tmp2 |= 0x1000;
  8196. tmp2 &= 0xFFEF;
  8197. bnx2x_cl45_write(bp, phy,
  8198. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8199. bnx2x_cl45_read(bp, phy,
  8200. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8201. &tmp2);
  8202. bnx2x_cl45_write(bp, phy,
  8203. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8204. (tmp2 & 0x7fff));
  8205. }
  8206. return 0;
  8207. }
  8208. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8209. struct link_params *params)
  8210. {
  8211. struct bnx2x *bp = params->bp;
  8212. u16 mod_abs, rx_alarm_status;
  8213. u32 val = REG_RD(bp, params->shmem_base +
  8214. offsetof(struct shmem_region, dev_info.
  8215. port_feature_config[params->port].
  8216. config));
  8217. bnx2x_cl45_read(bp, phy,
  8218. MDIO_PMA_DEVAD,
  8219. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8220. if (mod_abs & (1<<8)) {
  8221. /* Module is absent */
  8222. DP(NETIF_MSG_LINK,
  8223. "MOD_ABS indication show module is absent\n");
  8224. phy->media_type = ETH_PHY_NOT_PRESENT;
  8225. /* 1. Set mod_abs to detect next module
  8226. * presence event
  8227. * 2. Set EDC off by setting OPTXLOS signal input to low
  8228. * (bit 9).
  8229. * When the EDC is off it locks onto a reference clock and
  8230. * avoids becoming 'lost'.
  8231. */
  8232. mod_abs &= ~(1<<8);
  8233. if (!(phy->flags & FLAGS_NOC))
  8234. mod_abs &= ~(1<<9);
  8235. bnx2x_cl45_write(bp, phy,
  8236. MDIO_PMA_DEVAD,
  8237. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8238. /* Clear RX alarm since it stays up as long as
  8239. * the mod_abs wasn't changed
  8240. */
  8241. bnx2x_cl45_read(bp, phy,
  8242. MDIO_PMA_DEVAD,
  8243. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8244. } else {
  8245. /* Module is present */
  8246. DP(NETIF_MSG_LINK,
  8247. "MOD_ABS indication show module is present\n");
  8248. /* First disable transmitter, and if the module is ok, the
  8249. * module_detection will enable it
  8250. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8251. * 2. Restore the default polarity of the OPRXLOS signal and
  8252. * this signal will then correctly indicate the presence or
  8253. * absence of the Rx signal. (bit 9)
  8254. */
  8255. mod_abs |= (1<<8);
  8256. if (!(phy->flags & FLAGS_NOC))
  8257. mod_abs |= (1<<9);
  8258. bnx2x_cl45_write(bp, phy,
  8259. MDIO_PMA_DEVAD,
  8260. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8261. /* Clear RX alarm since it stays up as long as the mod_abs
  8262. * wasn't changed. This is need to be done before calling the
  8263. * module detection, otherwise it will clear* the link update
  8264. * alarm
  8265. */
  8266. bnx2x_cl45_read(bp, phy,
  8267. MDIO_PMA_DEVAD,
  8268. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8269. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8270. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8271. bnx2x_sfp_set_transmitter(params, phy, 0);
  8272. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8273. bnx2x_sfp_module_detection(phy, params);
  8274. else
  8275. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8276. /* Reconfigure link speed based on module type limitations */
  8277. bnx2x_8727_config_speed(phy, params);
  8278. }
  8279. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8280. rx_alarm_status);
  8281. /* No need to check link status in case of module plugged in/out */
  8282. }
  8283. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8284. struct link_params *params,
  8285. struct link_vars *vars)
  8286. {
  8287. struct bnx2x *bp = params->bp;
  8288. u8 link_up = 0, oc_port = params->port;
  8289. u16 link_status = 0;
  8290. u16 rx_alarm_status, lasi_ctrl, val1;
  8291. /* If PHY is not initialized, do not check link status */
  8292. bnx2x_cl45_read(bp, phy,
  8293. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8294. &lasi_ctrl);
  8295. if (!lasi_ctrl)
  8296. return 0;
  8297. /* Check the LASI on Rx */
  8298. bnx2x_cl45_read(bp, phy,
  8299. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8300. &rx_alarm_status);
  8301. vars->line_speed = 0;
  8302. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8303. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8304. MDIO_PMA_LASI_TXCTRL);
  8305. bnx2x_cl45_read(bp, phy,
  8306. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8307. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8308. /* Clear MSG-OUT */
  8309. bnx2x_cl45_read(bp, phy,
  8310. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8311. /* If a module is present and there is need to check
  8312. * for over current
  8313. */
  8314. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8315. /* Check over-current using 8727 GPIO0 input*/
  8316. bnx2x_cl45_read(bp, phy,
  8317. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8318. &val1);
  8319. if ((val1 & (1<<8)) == 0) {
  8320. if (!CHIP_IS_E1x(bp))
  8321. oc_port = BP_PATH(bp) + (params->port << 1);
  8322. DP(NETIF_MSG_LINK,
  8323. "8727 Power fault has been detected on port %d\n",
  8324. oc_port);
  8325. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8326. "been detected and the power to "
  8327. "that SFP+ module has been removed "
  8328. "to prevent failure of the card. "
  8329. "Please remove the SFP+ module and "
  8330. "restart the system to clear this "
  8331. "error.\n",
  8332. oc_port);
  8333. /* Disable all RX_ALARMs except for mod_abs */
  8334. bnx2x_cl45_write(bp, phy,
  8335. MDIO_PMA_DEVAD,
  8336. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8337. bnx2x_cl45_read(bp, phy,
  8338. MDIO_PMA_DEVAD,
  8339. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8340. /* Wait for module_absent_event */
  8341. val1 |= (1<<8);
  8342. bnx2x_cl45_write(bp, phy,
  8343. MDIO_PMA_DEVAD,
  8344. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8345. /* Clear RX alarm */
  8346. bnx2x_cl45_read(bp, phy,
  8347. MDIO_PMA_DEVAD,
  8348. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8349. bnx2x_8727_power_module(params->bp, phy, 0);
  8350. return 0;
  8351. }
  8352. } /* Over current check */
  8353. /* When module absent bit is set, check module */
  8354. if (rx_alarm_status & (1<<5)) {
  8355. bnx2x_8727_handle_mod_abs(phy, params);
  8356. /* Enable all mod_abs and link detection bits */
  8357. bnx2x_cl45_write(bp, phy,
  8358. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8359. ((1<<5) | (1<<2)));
  8360. }
  8361. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8362. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8363. bnx2x_sfp_set_transmitter(params, phy, 1);
  8364. } else {
  8365. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8366. return 0;
  8367. }
  8368. bnx2x_cl45_read(bp, phy,
  8369. MDIO_PMA_DEVAD,
  8370. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8371. /* Bits 0..2 --> speed detected,
  8372. * Bits 13..15--> link is down
  8373. */
  8374. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8375. link_up = 1;
  8376. vars->line_speed = SPEED_10000;
  8377. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8378. params->port);
  8379. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8380. link_up = 1;
  8381. vars->line_speed = SPEED_1000;
  8382. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8383. params->port);
  8384. } else {
  8385. link_up = 0;
  8386. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8387. params->port);
  8388. }
  8389. /* Capture 10G link fault. */
  8390. if (vars->line_speed == SPEED_10000) {
  8391. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8392. MDIO_PMA_LASI_TXSTAT, &val1);
  8393. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8394. MDIO_PMA_LASI_TXSTAT, &val1);
  8395. if (val1 & (1<<0)) {
  8396. vars->fault_detected = 1;
  8397. }
  8398. }
  8399. if (link_up) {
  8400. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8401. vars->duplex = DUPLEX_FULL;
  8402. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8403. }
  8404. if ((DUAL_MEDIA(params)) &&
  8405. (phy->req_line_speed == SPEED_1000)) {
  8406. bnx2x_cl45_read(bp, phy,
  8407. MDIO_PMA_DEVAD,
  8408. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8409. /* In case of dual-media board and 1G, power up the XAUI side,
  8410. * otherwise power it down. For 10G it is done automatically
  8411. */
  8412. if (link_up)
  8413. val1 &= ~(3<<10);
  8414. else
  8415. val1 |= (3<<10);
  8416. bnx2x_cl45_write(bp, phy,
  8417. MDIO_PMA_DEVAD,
  8418. MDIO_PMA_REG_8727_PCS_GP, val1);
  8419. }
  8420. return link_up;
  8421. }
  8422. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8423. struct link_params *params)
  8424. {
  8425. struct bnx2x *bp = params->bp;
  8426. /* Enable/Disable PHY transmitter output */
  8427. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8428. /* Disable Transmitter */
  8429. bnx2x_sfp_set_transmitter(params, phy, 0);
  8430. /* Clear LASI */
  8431. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8432. }
  8433. /******************************************************************/
  8434. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8435. /******************************************************************/
  8436. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8437. struct bnx2x *bp,
  8438. u8 port)
  8439. {
  8440. u16 val, fw_ver2, cnt, i;
  8441. static struct bnx2x_reg_set reg_set[] = {
  8442. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8443. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8444. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8445. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8446. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8447. };
  8448. u16 fw_ver1;
  8449. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8450. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8451. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8452. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8453. phy->ver_addr);
  8454. } else {
  8455. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8456. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8457. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8458. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8459. reg_set[i].reg, reg_set[i].val);
  8460. for (cnt = 0; cnt < 100; cnt++) {
  8461. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8462. if (val & 1)
  8463. break;
  8464. udelay(5);
  8465. }
  8466. if (cnt == 100) {
  8467. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8468. "phy fw version(1)\n");
  8469. bnx2x_save_spirom_version(bp, port, 0,
  8470. phy->ver_addr);
  8471. return;
  8472. }
  8473. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8474. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8475. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8476. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8477. for (cnt = 0; cnt < 100; cnt++) {
  8478. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8479. if (val & 1)
  8480. break;
  8481. udelay(5);
  8482. }
  8483. if (cnt == 100) {
  8484. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8485. "version(2)\n");
  8486. bnx2x_save_spirom_version(bp, port, 0,
  8487. phy->ver_addr);
  8488. return;
  8489. }
  8490. /* lower 16 bits of the register SPI_FW_STATUS */
  8491. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8492. /* upper 16 bits of register SPI_FW_STATUS */
  8493. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8494. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8495. phy->ver_addr);
  8496. }
  8497. }
  8498. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8499. struct bnx2x_phy *phy)
  8500. {
  8501. u16 val, offset, i;
  8502. static struct bnx2x_reg_set reg_set[] = {
  8503. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8504. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8505. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8506. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8507. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8508. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8509. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8510. };
  8511. /* PHYC_CTL_LED_CTL */
  8512. bnx2x_cl45_read(bp, phy,
  8513. MDIO_PMA_DEVAD,
  8514. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8515. val &= 0xFE00;
  8516. val |= 0x0092;
  8517. bnx2x_cl45_write(bp, phy,
  8518. MDIO_PMA_DEVAD,
  8519. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8520. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8521. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8522. reg_set[i].val);
  8523. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8524. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8525. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8526. else
  8527. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8528. /* stretch_en for LED3*/
  8529. bnx2x_cl45_read_or_write(bp, phy,
  8530. MDIO_PMA_DEVAD, offset,
  8531. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8532. }
  8533. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8534. struct link_params *params,
  8535. u32 action)
  8536. {
  8537. struct bnx2x *bp = params->bp;
  8538. switch (action) {
  8539. case PHY_INIT:
  8540. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8541. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8542. /* Save spirom version */
  8543. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8544. }
  8545. /* This phy uses the NIG latch mechanism since link indication
  8546. * arrives through its LED4 and not via its LASI signal, so we
  8547. * get steady signal instead of clear on read
  8548. */
  8549. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8550. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8551. bnx2x_848xx_set_led(bp, phy);
  8552. break;
  8553. }
  8554. }
  8555. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8556. struct link_params *params,
  8557. struct link_vars *vars)
  8558. {
  8559. struct bnx2x *bp = params->bp;
  8560. u16 autoneg_val, an_1000_val, an_10_100_val;
  8561. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8562. bnx2x_cl45_write(bp, phy,
  8563. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8564. /* set 1000 speed advertisement */
  8565. bnx2x_cl45_read(bp, phy,
  8566. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8567. &an_1000_val);
  8568. bnx2x_ext_phy_set_pause(params, phy, vars);
  8569. bnx2x_cl45_read(bp, phy,
  8570. MDIO_AN_DEVAD,
  8571. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8572. &an_10_100_val);
  8573. bnx2x_cl45_read(bp, phy,
  8574. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8575. &autoneg_val);
  8576. /* Disable forced speed */
  8577. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8578. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8579. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8580. (phy->speed_cap_mask &
  8581. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8582. (phy->req_line_speed == SPEED_1000)) {
  8583. an_1000_val |= (1<<8);
  8584. autoneg_val |= (1<<9 | 1<<12);
  8585. if (phy->req_duplex == DUPLEX_FULL)
  8586. an_1000_val |= (1<<9);
  8587. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8588. } else
  8589. an_1000_val &= ~((1<<8) | (1<<9));
  8590. bnx2x_cl45_write(bp, phy,
  8591. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8592. an_1000_val);
  8593. /* set 100 speed advertisement */
  8594. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8595. (phy->speed_cap_mask &
  8596. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8597. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8598. an_10_100_val |= (1<<7);
  8599. /* Enable autoneg and restart autoneg for legacy speeds */
  8600. autoneg_val |= (1<<9 | 1<<12);
  8601. if (phy->req_duplex == DUPLEX_FULL)
  8602. an_10_100_val |= (1<<8);
  8603. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8604. }
  8605. /* set 10 speed advertisement */
  8606. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8607. (phy->speed_cap_mask &
  8608. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8609. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8610. (phy->supported &
  8611. (SUPPORTED_10baseT_Half |
  8612. SUPPORTED_10baseT_Full)))) {
  8613. an_10_100_val |= (1<<5);
  8614. autoneg_val |= (1<<9 | 1<<12);
  8615. if (phy->req_duplex == DUPLEX_FULL)
  8616. an_10_100_val |= (1<<6);
  8617. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8618. }
  8619. /* Only 10/100 are allowed to work in FORCE mode */
  8620. if ((phy->req_line_speed == SPEED_100) &&
  8621. (phy->supported &
  8622. (SUPPORTED_100baseT_Half |
  8623. SUPPORTED_100baseT_Full))) {
  8624. autoneg_val |= (1<<13);
  8625. /* Enabled AUTO-MDIX when autoneg is disabled */
  8626. bnx2x_cl45_write(bp, phy,
  8627. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8628. (1<<15 | 1<<9 | 7<<0));
  8629. /* The PHY needs this set even for forced link. */
  8630. an_10_100_val |= (1<<8) | (1<<7);
  8631. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8632. }
  8633. if ((phy->req_line_speed == SPEED_10) &&
  8634. (phy->supported &
  8635. (SUPPORTED_10baseT_Half |
  8636. SUPPORTED_10baseT_Full))) {
  8637. /* Enabled AUTO-MDIX when autoneg is disabled */
  8638. bnx2x_cl45_write(bp, phy,
  8639. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8640. (1<<15 | 1<<9 | 7<<0));
  8641. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8642. }
  8643. bnx2x_cl45_write(bp, phy,
  8644. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8645. an_10_100_val);
  8646. if (phy->req_duplex == DUPLEX_FULL)
  8647. autoneg_val |= (1<<8);
  8648. /* Always write this if this is not 84833/4.
  8649. * For 84833/4, write it only when it's a forced speed.
  8650. */
  8651. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8652. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8653. ((autoneg_val & (1<<12)) == 0))
  8654. bnx2x_cl45_write(bp, phy,
  8655. MDIO_AN_DEVAD,
  8656. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8657. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8658. (phy->speed_cap_mask &
  8659. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8660. (phy->req_line_speed == SPEED_10000)) {
  8661. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8662. /* Restart autoneg for 10G*/
  8663. bnx2x_cl45_read_or_write(
  8664. bp, phy,
  8665. MDIO_AN_DEVAD,
  8666. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8667. 0x1000);
  8668. bnx2x_cl45_write(bp, phy,
  8669. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8670. 0x3200);
  8671. } else
  8672. bnx2x_cl45_write(bp, phy,
  8673. MDIO_AN_DEVAD,
  8674. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8675. 1);
  8676. return 0;
  8677. }
  8678. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8679. struct link_params *params,
  8680. struct link_vars *vars)
  8681. {
  8682. struct bnx2x *bp = params->bp;
  8683. /* Restore normal power mode*/
  8684. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8685. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8686. /* HW reset */
  8687. bnx2x_ext_phy_hw_reset(bp, params->port);
  8688. bnx2x_wait_reset_complete(bp, phy, params);
  8689. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8690. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8691. }
  8692. #define PHY84833_CMDHDLR_WAIT 300
  8693. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8694. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8695. struct link_params *params, u16 fw_cmd,
  8696. u16 cmd_args[], int argc)
  8697. {
  8698. int idx;
  8699. u16 val;
  8700. struct bnx2x *bp = params->bp;
  8701. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8702. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8703. MDIO_84833_CMD_HDLR_STATUS,
  8704. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8705. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8706. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8707. MDIO_84833_CMD_HDLR_STATUS, &val);
  8708. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8709. break;
  8710. usleep_range(1000, 2000);
  8711. }
  8712. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8713. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8714. return -EINVAL;
  8715. }
  8716. /* Prepare argument(s) and issue command */
  8717. for (idx = 0; idx < argc; idx++) {
  8718. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8719. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8720. cmd_args[idx]);
  8721. }
  8722. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8723. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8724. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8725. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8726. MDIO_84833_CMD_HDLR_STATUS, &val);
  8727. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8728. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8729. break;
  8730. usleep_range(1000, 2000);
  8731. }
  8732. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8733. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8734. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8735. return -EINVAL;
  8736. }
  8737. /* Gather returning data */
  8738. for (idx = 0; idx < argc; idx++) {
  8739. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8740. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8741. &cmd_args[idx]);
  8742. }
  8743. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8744. MDIO_84833_CMD_HDLR_STATUS,
  8745. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8746. return 0;
  8747. }
  8748. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8749. struct link_params *params,
  8750. struct link_vars *vars)
  8751. {
  8752. u32 pair_swap;
  8753. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8754. int status;
  8755. struct bnx2x *bp = params->bp;
  8756. /* Check for configuration. */
  8757. pair_swap = REG_RD(bp, params->shmem_base +
  8758. offsetof(struct shmem_region,
  8759. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8760. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8761. if (pair_swap == 0)
  8762. return 0;
  8763. /* Only the second argument is used for this command */
  8764. data[1] = (u16)pair_swap;
  8765. status = bnx2x_84833_cmd_hdlr(phy, params,
  8766. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8767. if (status == 0)
  8768. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8769. return status;
  8770. }
  8771. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8772. u32 shmem_base_path[],
  8773. u32 chip_id)
  8774. {
  8775. u32 reset_pin[2];
  8776. u32 idx;
  8777. u8 reset_gpios;
  8778. if (CHIP_IS_E3(bp)) {
  8779. /* Assume that these will be GPIOs, not EPIOs. */
  8780. for (idx = 0; idx < 2; idx++) {
  8781. /* Map config param to register bit. */
  8782. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8783. offsetof(struct shmem_region,
  8784. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8785. reset_pin[idx] = (reset_pin[idx] &
  8786. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8787. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8788. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8789. reset_pin[idx] = (1 << reset_pin[idx]);
  8790. }
  8791. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8792. } else {
  8793. /* E2, look from diff place of shmem. */
  8794. for (idx = 0; idx < 2; idx++) {
  8795. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8796. offsetof(struct shmem_region,
  8797. dev_info.port_hw_config[0].default_cfg));
  8798. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8799. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8800. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8801. reset_pin[idx] = (1 << reset_pin[idx]);
  8802. }
  8803. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8804. }
  8805. return reset_gpios;
  8806. }
  8807. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8808. struct link_params *params)
  8809. {
  8810. struct bnx2x *bp = params->bp;
  8811. u8 reset_gpios;
  8812. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8813. offsetof(struct shmem2_region,
  8814. other_shmem_base_addr));
  8815. u32 shmem_base_path[2];
  8816. /* Work around for 84833 LED failure inside RESET status */
  8817. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8818. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8819. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8820. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8821. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8822. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8823. shmem_base_path[0] = params->shmem_base;
  8824. shmem_base_path[1] = other_shmem_base_addr;
  8825. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8826. params->chip_id);
  8827. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8828. udelay(10);
  8829. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8830. reset_gpios);
  8831. return 0;
  8832. }
  8833. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8834. struct link_params *params,
  8835. struct link_vars *vars)
  8836. {
  8837. int rc;
  8838. struct bnx2x *bp = params->bp;
  8839. u16 cmd_args = 0;
  8840. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8841. /* Prevent Phy from working in EEE and advertising it */
  8842. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8843. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8844. if (rc) {
  8845. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8846. return rc;
  8847. }
  8848. return bnx2x_eee_disable(phy, params, vars);
  8849. }
  8850. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8851. struct link_params *params,
  8852. struct link_vars *vars)
  8853. {
  8854. int rc;
  8855. struct bnx2x *bp = params->bp;
  8856. u16 cmd_args = 1;
  8857. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8858. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8859. if (rc) {
  8860. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8861. return rc;
  8862. }
  8863. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8864. }
  8865. #define PHY84833_CONSTANT_LATENCY 1193
  8866. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8867. struct link_params *params,
  8868. struct link_vars *vars)
  8869. {
  8870. struct bnx2x *bp = params->bp;
  8871. u8 port, initialize = 1;
  8872. u16 val;
  8873. u32 actual_phy_selection;
  8874. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8875. int rc = 0;
  8876. usleep_range(1000, 2000);
  8877. if (!(CHIP_IS_E1x(bp)))
  8878. port = BP_PATH(bp);
  8879. else
  8880. port = params->port;
  8881. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8882. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8883. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8884. port);
  8885. } else {
  8886. /* MDIO reset */
  8887. bnx2x_cl45_write(bp, phy,
  8888. MDIO_PMA_DEVAD,
  8889. MDIO_PMA_REG_CTRL, 0x8000);
  8890. }
  8891. bnx2x_wait_reset_complete(bp, phy, params);
  8892. /* Wait for GPHY to come out of reset */
  8893. msleep(50);
  8894. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8895. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8896. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8897. * behavior.
  8898. */
  8899. u16 temp;
  8900. temp = vars->line_speed;
  8901. vars->line_speed = SPEED_10000;
  8902. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8903. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8904. vars->line_speed = temp;
  8905. }
  8906. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8907. MDIO_CTL_REG_84823_MEDIA, &val);
  8908. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8909. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8910. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8911. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8912. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8913. if (CHIP_IS_E3(bp)) {
  8914. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8915. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8916. } else {
  8917. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8918. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8919. }
  8920. actual_phy_selection = bnx2x_phy_selection(params);
  8921. switch (actual_phy_selection) {
  8922. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8923. /* Do nothing. Essentially this is like the priority copper */
  8924. break;
  8925. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8926. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8927. break;
  8928. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8929. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8930. break;
  8931. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8932. /* Do nothing here. The first PHY won't be initialized at all */
  8933. break;
  8934. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8935. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8936. initialize = 0;
  8937. break;
  8938. }
  8939. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8940. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8941. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8942. MDIO_CTL_REG_84823_MEDIA, val);
  8943. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8944. params->multi_phy_config, val);
  8945. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8946. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8947. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8948. /* Keep AutogrEEEn disabled. */
  8949. cmd_args[0] = 0x0;
  8950. cmd_args[1] = 0x0;
  8951. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8952. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8953. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8954. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8955. PHY84833_CMDHDLR_MAX_ARGS);
  8956. if (rc)
  8957. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8958. }
  8959. if (initialize)
  8960. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8961. else
  8962. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8963. /* 84833 PHY has a better feature and doesn't need to support this. */
  8964. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8965. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8966. offsetof(struct shmem_region,
  8967. dev_info.port_hw_config[params->port].default_cfg)) &
  8968. PORT_HW_CFG_ENABLE_CMS_MASK;
  8969. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8970. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8971. if (cms_enable)
  8972. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8973. else
  8974. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8975. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8976. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8977. }
  8978. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8979. MDIO_84833_TOP_CFG_FW_REV, &val);
  8980. /* Configure EEE support */
  8981. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8982. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8983. bnx2x_eee_has_cap(params)) {
  8984. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8985. if (rc) {
  8986. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8987. bnx2x_8483x_disable_eee(phy, params, vars);
  8988. return rc;
  8989. }
  8990. if ((phy->req_duplex == DUPLEX_FULL) &&
  8991. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8992. (bnx2x_eee_calc_timer(params) ||
  8993. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8994. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8995. else
  8996. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8997. if (rc) {
  8998. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8999. return rc;
  9000. }
  9001. } else {
  9002. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9003. }
  9004. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9005. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9006. /* Bring PHY out of super isolate mode as the final step. */
  9007. bnx2x_cl45_read_and_write(bp, phy,
  9008. MDIO_CTL_DEVAD,
  9009. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9010. (u16)~MDIO_84833_SUPER_ISOLATE);
  9011. }
  9012. return rc;
  9013. }
  9014. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9015. struct link_params *params,
  9016. struct link_vars *vars)
  9017. {
  9018. struct bnx2x *bp = params->bp;
  9019. u16 val, val1, val2;
  9020. u8 link_up = 0;
  9021. /* Check 10G-BaseT link status */
  9022. /* Check PMD signal ok */
  9023. bnx2x_cl45_read(bp, phy,
  9024. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9025. bnx2x_cl45_read(bp, phy,
  9026. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9027. &val2);
  9028. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9029. /* Check link 10G */
  9030. if (val2 & (1<<11)) {
  9031. vars->line_speed = SPEED_10000;
  9032. vars->duplex = DUPLEX_FULL;
  9033. link_up = 1;
  9034. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9035. } else { /* Check Legacy speed link */
  9036. u16 legacy_status, legacy_speed;
  9037. /* Enable expansion register 0x42 (Operation mode status) */
  9038. bnx2x_cl45_write(bp, phy,
  9039. MDIO_AN_DEVAD,
  9040. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9041. /* Get legacy speed operation status */
  9042. bnx2x_cl45_read(bp, phy,
  9043. MDIO_AN_DEVAD,
  9044. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9045. &legacy_status);
  9046. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9047. legacy_status);
  9048. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9049. legacy_speed = (legacy_status & (3<<9));
  9050. if (legacy_speed == (0<<9))
  9051. vars->line_speed = SPEED_10;
  9052. else if (legacy_speed == (1<<9))
  9053. vars->line_speed = SPEED_100;
  9054. else if (legacy_speed == (2<<9))
  9055. vars->line_speed = SPEED_1000;
  9056. else { /* Should not happen: Treat as link down */
  9057. vars->line_speed = 0;
  9058. link_up = 0;
  9059. }
  9060. if (link_up) {
  9061. if (legacy_status & (1<<8))
  9062. vars->duplex = DUPLEX_FULL;
  9063. else
  9064. vars->duplex = DUPLEX_HALF;
  9065. DP(NETIF_MSG_LINK,
  9066. "Link is up in %dMbps, is_duplex_full= %d\n",
  9067. vars->line_speed,
  9068. (vars->duplex == DUPLEX_FULL));
  9069. /* Check legacy speed AN resolution */
  9070. bnx2x_cl45_read(bp, phy,
  9071. MDIO_AN_DEVAD,
  9072. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9073. &val);
  9074. if (val & (1<<5))
  9075. vars->link_status |=
  9076. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9077. bnx2x_cl45_read(bp, phy,
  9078. MDIO_AN_DEVAD,
  9079. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9080. &val);
  9081. if ((val & (1<<0)) == 0)
  9082. vars->link_status |=
  9083. LINK_STATUS_PARALLEL_DETECTION_USED;
  9084. }
  9085. }
  9086. if (link_up) {
  9087. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9088. vars->line_speed);
  9089. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9090. /* Read LP advertised speeds */
  9091. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9092. MDIO_AN_REG_CL37_FC_LP, &val);
  9093. if (val & (1<<5))
  9094. vars->link_status |=
  9095. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9096. if (val & (1<<6))
  9097. vars->link_status |=
  9098. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9099. if (val & (1<<7))
  9100. vars->link_status |=
  9101. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9102. if (val & (1<<8))
  9103. vars->link_status |=
  9104. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9105. if (val & (1<<9))
  9106. vars->link_status |=
  9107. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9108. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9109. MDIO_AN_REG_1000T_STATUS, &val);
  9110. if (val & (1<<10))
  9111. vars->link_status |=
  9112. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9113. if (val & (1<<11))
  9114. vars->link_status |=
  9115. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9116. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9117. MDIO_AN_REG_MASTER_STATUS, &val);
  9118. if (val & (1<<11))
  9119. vars->link_status |=
  9120. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9121. /* Determine if EEE was negotiated */
  9122. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9123. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9124. bnx2x_eee_an_resolve(phy, params, vars);
  9125. }
  9126. return link_up;
  9127. }
  9128. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9129. {
  9130. int status = 0;
  9131. u32 spirom_ver;
  9132. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9133. status = bnx2x_format_ver(spirom_ver, str, len);
  9134. return status;
  9135. }
  9136. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9137. struct link_params *params)
  9138. {
  9139. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9140. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9141. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9142. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9143. }
  9144. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9145. struct link_params *params)
  9146. {
  9147. bnx2x_cl45_write(params->bp, phy,
  9148. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9149. bnx2x_cl45_write(params->bp, phy,
  9150. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9151. }
  9152. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9153. struct link_params *params)
  9154. {
  9155. struct bnx2x *bp = params->bp;
  9156. u8 port;
  9157. u16 val16;
  9158. if (!(CHIP_IS_E1x(bp)))
  9159. port = BP_PATH(bp);
  9160. else
  9161. port = params->port;
  9162. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9163. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9164. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9165. port);
  9166. } else {
  9167. bnx2x_cl45_read(bp, phy,
  9168. MDIO_CTL_DEVAD,
  9169. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9170. val16 |= MDIO_84833_SUPER_ISOLATE;
  9171. bnx2x_cl45_write(bp, phy,
  9172. MDIO_CTL_DEVAD,
  9173. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9174. }
  9175. }
  9176. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9177. struct link_params *params, u8 mode)
  9178. {
  9179. struct bnx2x *bp = params->bp;
  9180. u16 val;
  9181. u8 port;
  9182. if (!(CHIP_IS_E1x(bp)))
  9183. port = BP_PATH(bp);
  9184. else
  9185. port = params->port;
  9186. switch (mode) {
  9187. case LED_MODE_OFF:
  9188. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9189. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9190. SHARED_HW_CFG_LED_EXTPHY1) {
  9191. /* Set LED masks */
  9192. bnx2x_cl45_write(bp, phy,
  9193. MDIO_PMA_DEVAD,
  9194. MDIO_PMA_REG_8481_LED1_MASK,
  9195. 0x0);
  9196. bnx2x_cl45_write(bp, phy,
  9197. MDIO_PMA_DEVAD,
  9198. MDIO_PMA_REG_8481_LED2_MASK,
  9199. 0x0);
  9200. bnx2x_cl45_write(bp, phy,
  9201. MDIO_PMA_DEVAD,
  9202. MDIO_PMA_REG_8481_LED3_MASK,
  9203. 0x0);
  9204. bnx2x_cl45_write(bp, phy,
  9205. MDIO_PMA_DEVAD,
  9206. MDIO_PMA_REG_8481_LED5_MASK,
  9207. 0x0);
  9208. } else {
  9209. bnx2x_cl45_write(bp, phy,
  9210. MDIO_PMA_DEVAD,
  9211. MDIO_PMA_REG_8481_LED1_MASK,
  9212. 0x0);
  9213. }
  9214. break;
  9215. case LED_MODE_FRONT_PANEL_OFF:
  9216. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9217. port);
  9218. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9219. SHARED_HW_CFG_LED_EXTPHY1) {
  9220. /* Set LED masks */
  9221. bnx2x_cl45_write(bp, phy,
  9222. MDIO_PMA_DEVAD,
  9223. MDIO_PMA_REG_8481_LED1_MASK,
  9224. 0x0);
  9225. bnx2x_cl45_write(bp, phy,
  9226. MDIO_PMA_DEVAD,
  9227. MDIO_PMA_REG_8481_LED2_MASK,
  9228. 0x0);
  9229. bnx2x_cl45_write(bp, phy,
  9230. MDIO_PMA_DEVAD,
  9231. MDIO_PMA_REG_8481_LED3_MASK,
  9232. 0x0);
  9233. bnx2x_cl45_write(bp, phy,
  9234. MDIO_PMA_DEVAD,
  9235. MDIO_PMA_REG_8481_LED5_MASK,
  9236. 0x20);
  9237. } else {
  9238. bnx2x_cl45_write(bp, phy,
  9239. MDIO_PMA_DEVAD,
  9240. MDIO_PMA_REG_8481_LED1_MASK,
  9241. 0x0);
  9242. if (phy->type ==
  9243. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9244. /* Disable MI_INT interrupt before setting LED4
  9245. * source to constant off.
  9246. */
  9247. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9248. params->port*4) &
  9249. NIG_MASK_MI_INT) {
  9250. params->link_flags |=
  9251. LINK_FLAGS_INT_DISABLED;
  9252. bnx2x_bits_dis(
  9253. bp,
  9254. NIG_REG_MASK_INTERRUPT_PORT0 +
  9255. params->port*4,
  9256. NIG_MASK_MI_INT);
  9257. }
  9258. bnx2x_cl45_write(bp, phy,
  9259. MDIO_PMA_DEVAD,
  9260. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9261. 0x0);
  9262. }
  9263. }
  9264. break;
  9265. case LED_MODE_ON:
  9266. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9267. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9268. SHARED_HW_CFG_LED_EXTPHY1) {
  9269. /* Set control reg */
  9270. bnx2x_cl45_read(bp, phy,
  9271. MDIO_PMA_DEVAD,
  9272. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9273. &val);
  9274. val &= 0x8000;
  9275. val |= 0x2492;
  9276. bnx2x_cl45_write(bp, phy,
  9277. MDIO_PMA_DEVAD,
  9278. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9279. val);
  9280. /* Set LED masks */
  9281. bnx2x_cl45_write(bp, phy,
  9282. MDIO_PMA_DEVAD,
  9283. MDIO_PMA_REG_8481_LED1_MASK,
  9284. 0x0);
  9285. bnx2x_cl45_write(bp, phy,
  9286. MDIO_PMA_DEVAD,
  9287. MDIO_PMA_REG_8481_LED2_MASK,
  9288. 0x20);
  9289. bnx2x_cl45_write(bp, phy,
  9290. MDIO_PMA_DEVAD,
  9291. MDIO_PMA_REG_8481_LED3_MASK,
  9292. 0x20);
  9293. bnx2x_cl45_write(bp, phy,
  9294. MDIO_PMA_DEVAD,
  9295. MDIO_PMA_REG_8481_LED5_MASK,
  9296. 0x0);
  9297. } else {
  9298. bnx2x_cl45_write(bp, phy,
  9299. MDIO_PMA_DEVAD,
  9300. MDIO_PMA_REG_8481_LED1_MASK,
  9301. 0x20);
  9302. if (phy->type ==
  9303. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9304. /* Disable MI_INT interrupt before setting LED4
  9305. * source to constant on.
  9306. */
  9307. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9308. params->port*4) &
  9309. NIG_MASK_MI_INT) {
  9310. params->link_flags |=
  9311. LINK_FLAGS_INT_DISABLED;
  9312. bnx2x_bits_dis(
  9313. bp,
  9314. NIG_REG_MASK_INTERRUPT_PORT0 +
  9315. params->port*4,
  9316. NIG_MASK_MI_INT);
  9317. }
  9318. bnx2x_cl45_write(bp, phy,
  9319. MDIO_PMA_DEVAD,
  9320. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9321. 0x20);
  9322. }
  9323. }
  9324. break;
  9325. case LED_MODE_OPER:
  9326. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9327. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9328. SHARED_HW_CFG_LED_EXTPHY1) {
  9329. /* Set control reg */
  9330. bnx2x_cl45_read(bp, phy,
  9331. MDIO_PMA_DEVAD,
  9332. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9333. &val);
  9334. if (!((val &
  9335. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9336. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9337. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9338. bnx2x_cl45_write(bp, phy,
  9339. MDIO_PMA_DEVAD,
  9340. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9341. 0xa492);
  9342. }
  9343. /* Set LED masks */
  9344. bnx2x_cl45_write(bp, phy,
  9345. MDIO_PMA_DEVAD,
  9346. MDIO_PMA_REG_8481_LED1_MASK,
  9347. 0x10);
  9348. bnx2x_cl45_write(bp, phy,
  9349. MDIO_PMA_DEVAD,
  9350. MDIO_PMA_REG_8481_LED2_MASK,
  9351. 0x80);
  9352. bnx2x_cl45_write(bp, phy,
  9353. MDIO_PMA_DEVAD,
  9354. MDIO_PMA_REG_8481_LED3_MASK,
  9355. 0x98);
  9356. bnx2x_cl45_write(bp, phy,
  9357. MDIO_PMA_DEVAD,
  9358. MDIO_PMA_REG_8481_LED5_MASK,
  9359. 0x40);
  9360. } else {
  9361. bnx2x_cl45_write(bp, phy,
  9362. MDIO_PMA_DEVAD,
  9363. MDIO_PMA_REG_8481_LED1_MASK,
  9364. 0x80);
  9365. /* Tell LED3 to blink on source */
  9366. bnx2x_cl45_read(bp, phy,
  9367. MDIO_PMA_DEVAD,
  9368. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9369. &val);
  9370. val &= ~(7<<6);
  9371. val |= (1<<6); /* A83B[8:6]= 1 */
  9372. bnx2x_cl45_write(bp, phy,
  9373. MDIO_PMA_DEVAD,
  9374. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9375. val);
  9376. if (phy->type ==
  9377. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9378. /* Restore LED4 source to external link,
  9379. * and re-enable interrupts.
  9380. */
  9381. bnx2x_cl45_write(bp, phy,
  9382. MDIO_PMA_DEVAD,
  9383. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9384. 0x40);
  9385. if (params->link_flags &
  9386. LINK_FLAGS_INT_DISABLED) {
  9387. bnx2x_link_int_enable(params);
  9388. params->link_flags &=
  9389. ~LINK_FLAGS_INT_DISABLED;
  9390. }
  9391. }
  9392. }
  9393. break;
  9394. }
  9395. /* This is a workaround for E3+84833 until autoneg
  9396. * restart is fixed in f/w
  9397. */
  9398. if (CHIP_IS_E3(bp)) {
  9399. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9400. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9401. }
  9402. }
  9403. /******************************************************************/
  9404. /* 54618SE PHY SECTION */
  9405. /******************************************************************/
  9406. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9407. struct link_params *params,
  9408. u32 action)
  9409. {
  9410. struct bnx2x *bp = params->bp;
  9411. u16 temp;
  9412. switch (action) {
  9413. case PHY_INIT:
  9414. /* Configure LED4: set to INTR (0x6). */
  9415. /* Accessing shadow register 0xe. */
  9416. bnx2x_cl22_write(bp, phy,
  9417. MDIO_REG_GPHY_SHADOW,
  9418. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9419. bnx2x_cl22_read(bp, phy,
  9420. MDIO_REG_GPHY_SHADOW,
  9421. &temp);
  9422. temp &= ~(0xf << 4);
  9423. temp |= (0x6 << 4);
  9424. bnx2x_cl22_write(bp, phy,
  9425. MDIO_REG_GPHY_SHADOW,
  9426. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9427. /* Configure INTR based on link status change. */
  9428. bnx2x_cl22_write(bp, phy,
  9429. MDIO_REG_INTR_MASK,
  9430. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9431. break;
  9432. }
  9433. }
  9434. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9435. struct link_params *params,
  9436. struct link_vars *vars)
  9437. {
  9438. struct bnx2x *bp = params->bp;
  9439. u8 port;
  9440. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9441. u32 cfg_pin;
  9442. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9443. usleep_range(1000, 2000);
  9444. /* This works with E3 only, no need to check the chip
  9445. * before determining the port.
  9446. */
  9447. port = params->port;
  9448. cfg_pin = (REG_RD(bp, params->shmem_base +
  9449. offsetof(struct shmem_region,
  9450. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9451. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9452. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9453. /* Drive pin high to bring the GPHY out of reset. */
  9454. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9455. /* wait for GPHY to reset */
  9456. msleep(50);
  9457. /* reset phy */
  9458. bnx2x_cl22_write(bp, phy,
  9459. MDIO_PMA_REG_CTRL, 0x8000);
  9460. bnx2x_wait_reset_complete(bp, phy, params);
  9461. /* Wait for GPHY to reset */
  9462. msleep(50);
  9463. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9464. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9465. bnx2x_cl22_write(bp, phy,
  9466. MDIO_REG_GPHY_SHADOW,
  9467. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9468. bnx2x_cl22_read(bp, phy,
  9469. MDIO_REG_GPHY_SHADOW,
  9470. &temp);
  9471. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9472. bnx2x_cl22_write(bp, phy,
  9473. MDIO_REG_GPHY_SHADOW,
  9474. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9475. /* Set up fc */
  9476. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9477. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9478. fc_val = 0;
  9479. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9480. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9481. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9482. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9483. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9484. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9485. /* Read all advertisement */
  9486. bnx2x_cl22_read(bp, phy,
  9487. 0x09,
  9488. &an_1000_val);
  9489. bnx2x_cl22_read(bp, phy,
  9490. 0x04,
  9491. &an_10_100_val);
  9492. bnx2x_cl22_read(bp, phy,
  9493. MDIO_PMA_REG_CTRL,
  9494. &autoneg_val);
  9495. /* Disable forced speed */
  9496. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9497. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9498. (1<<11));
  9499. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9500. (phy->speed_cap_mask &
  9501. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9502. (phy->req_line_speed == SPEED_1000)) {
  9503. an_1000_val |= (1<<8);
  9504. autoneg_val |= (1<<9 | 1<<12);
  9505. if (phy->req_duplex == DUPLEX_FULL)
  9506. an_1000_val |= (1<<9);
  9507. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9508. } else
  9509. an_1000_val &= ~((1<<8) | (1<<9));
  9510. bnx2x_cl22_write(bp, phy,
  9511. 0x09,
  9512. an_1000_val);
  9513. bnx2x_cl22_read(bp, phy,
  9514. 0x09,
  9515. &an_1000_val);
  9516. /* Set 100 speed advertisement */
  9517. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9518. (phy->speed_cap_mask &
  9519. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9520. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9521. an_10_100_val |= (1<<7);
  9522. /* Enable autoneg and restart autoneg for legacy speeds */
  9523. autoneg_val |= (1<<9 | 1<<12);
  9524. if (phy->req_duplex == DUPLEX_FULL)
  9525. an_10_100_val |= (1<<8);
  9526. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9527. }
  9528. /* Set 10 speed advertisement */
  9529. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9530. (phy->speed_cap_mask &
  9531. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9532. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9533. an_10_100_val |= (1<<5);
  9534. autoneg_val |= (1<<9 | 1<<12);
  9535. if (phy->req_duplex == DUPLEX_FULL)
  9536. an_10_100_val |= (1<<6);
  9537. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9538. }
  9539. /* Only 10/100 are allowed to work in FORCE mode */
  9540. if (phy->req_line_speed == SPEED_100) {
  9541. autoneg_val |= (1<<13);
  9542. /* Enabled AUTO-MDIX when autoneg is disabled */
  9543. bnx2x_cl22_write(bp, phy,
  9544. 0x18,
  9545. (1<<15 | 1<<9 | 7<<0));
  9546. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9547. }
  9548. if (phy->req_line_speed == SPEED_10) {
  9549. /* Enabled AUTO-MDIX when autoneg is disabled */
  9550. bnx2x_cl22_write(bp, phy,
  9551. 0x18,
  9552. (1<<15 | 1<<9 | 7<<0));
  9553. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9554. }
  9555. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9556. int rc;
  9557. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9558. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9559. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9560. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9561. temp &= 0xfffe;
  9562. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9563. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9564. if (rc) {
  9565. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9566. bnx2x_eee_disable(phy, params, vars);
  9567. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9568. (phy->req_duplex == DUPLEX_FULL) &&
  9569. (bnx2x_eee_calc_timer(params) ||
  9570. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9571. /* Need to advertise EEE only when requested,
  9572. * and either no LPI assertion was requested,
  9573. * or it was requested and a valid timer was set.
  9574. * Also notice full duplex is required for EEE.
  9575. */
  9576. bnx2x_eee_advertise(phy, params, vars,
  9577. SHMEM_EEE_1G_ADV);
  9578. } else {
  9579. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9580. bnx2x_eee_disable(phy, params, vars);
  9581. }
  9582. } else {
  9583. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9584. SHMEM_EEE_SUPPORTED_SHIFT;
  9585. if (phy->flags & FLAGS_EEE) {
  9586. /* Handle legacy auto-grEEEn */
  9587. if (params->feature_config_flags &
  9588. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9589. temp = 6;
  9590. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9591. } else {
  9592. temp = 0;
  9593. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9594. }
  9595. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9596. MDIO_AN_REG_EEE_ADV, temp);
  9597. }
  9598. }
  9599. bnx2x_cl22_write(bp, phy,
  9600. 0x04,
  9601. an_10_100_val | fc_val);
  9602. if (phy->req_duplex == DUPLEX_FULL)
  9603. autoneg_val |= (1<<8);
  9604. bnx2x_cl22_write(bp, phy,
  9605. MDIO_PMA_REG_CTRL, autoneg_val);
  9606. return 0;
  9607. }
  9608. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9609. struct link_params *params, u8 mode)
  9610. {
  9611. struct bnx2x *bp = params->bp;
  9612. u16 temp;
  9613. bnx2x_cl22_write(bp, phy,
  9614. MDIO_REG_GPHY_SHADOW,
  9615. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9616. bnx2x_cl22_read(bp, phy,
  9617. MDIO_REG_GPHY_SHADOW,
  9618. &temp);
  9619. temp &= 0xff00;
  9620. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9621. switch (mode) {
  9622. case LED_MODE_FRONT_PANEL_OFF:
  9623. case LED_MODE_OFF:
  9624. temp |= 0x00ee;
  9625. break;
  9626. case LED_MODE_OPER:
  9627. temp |= 0x0001;
  9628. break;
  9629. case LED_MODE_ON:
  9630. temp |= 0x00ff;
  9631. break;
  9632. default:
  9633. break;
  9634. }
  9635. bnx2x_cl22_write(bp, phy,
  9636. MDIO_REG_GPHY_SHADOW,
  9637. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9638. return;
  9639. }
  9640. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9641. struct link_params *params)
  9642. {
  9643. struct bnx2x *bp = params->bp;
  9644. u32 cfg_pin;
  9645. u8 port;
  9646. /* In case of no EPIO routed to reset the GPHY, put it
  9647. * in low power mode.
  9648. */
  9649. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9650. /* This works with E3 only, no need to check the chip
  9651. * before determining the port.
  9652. */
  9653. port = params->port;
  9654. cfg_pin = (REG_RD(bp, params->shmem_base +
  9655. offsetof(struct shmem_region,
  9656. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9657. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9658. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9659. /* Drive pin low to put GPHY in reset. */
  9660. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9661. }
  9662. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9663. struct link_params *params,
  9664. struct link_vars *vars)
  9665. {
  9666. struct bnx2x *bp = params->bp;
  9667. u16 val;
  9668. u8 link_up = 0;
  9669. u16 legacy_status, legacy_speed;
  9670. /* Get speed operation status */
  9671. bnx2x_cl22_read(bp, phy,
  9672. MDIO_REG_GPHY_AUX_STATUS,
  9673. &legacy_status);
  9674. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9675. /* Read status to clear the PHY interrupt. */
  9676. bnx2x_cl22_read(bp, phy,
  9677. MDIO_REG_INTR_STATUS,
  9678. &val);
  9679. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9680. if (link_up) {
  9681. legacy_speed = (legacy_status & (7<<8));
  9682. if (legacy_speed == (7<<8)) {
  9683. vars->line_speed = SPEED_1000;
  9684. vars->duplex = DUPLEX_FULL;
  9685. } else if (legacy_speed == (6<<8)) {
  9686. vars->line_speed = SPEED_1000;
  9687. vars->duplex = DUPLEX_HALF;
  9688. } else if (legacy_speed == (5<<8)) {
  9689. vars->line_speed = SPEED_100;
  9690. vars->duplex = DUPLEX_FULL;
  9691. }
  9692. /* Omitting 100Base-T4 for now */
  9693. else if (legacy_speed == (3<<8)) {
  9694. vars->line_speed = SPEED_100;
  9695. vars->duplex = DUPLEX_HALF;
  9696. } else if (legacy_speed == (2<<8)) {
  9697. vars->line_speed = SPEED_10;
  9698. vars->duplex = DUPLEX_FULL;
  9699. } else if (legacy_speed == (1<<8)) {
  9700. vars->line_speed = SPEED_10;
  9701. vars->duplex = DUPLEX_HALF;
  9702. } else /* Should not happen */
  9703. vars->line_speed = 0;
  9704. DP(NETIF_MSG_LINK,
  9705. "Link is up in %dMbps, is_duplex_full= %d\n",
  9706. vars->line_speed,
  9707. (vars->duplex == DUPLEX_FULL));
  9708. /* Check legacy speed AN resolution */
  9709. bnx2x_cl22_read(bp, phy,
  9710. 0x01,
  9711. &val);
  9712. if (val & (1<<5))
  9713. vars->link_status |=
  9714. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9715. bnx2x_cl22_read(bp, phy,
  9716. 0x06,
  9717. &val);
  9718. if ((val & (1<<0)) == 0)
  9719. vars->link_status |=
  9720. LINK_STATUS_PARALLEL_DETECTION_USED;
  9721. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9722. vars->line_speed);
  9723. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9724. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9725. /* Report LP advertised speeds */
  9726. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9727. if (val & (1<<5))
  9728. vars->link_status |=
  9729. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9730. if (val & (1<<6))
  9731. vars->link_status |=
  9732. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9733. if (val & (1<<7))
  9734. vars->link_status |=
  9735. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9736. if (val & (1<<8))
  9737. vars->link_status |=
  9738. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9739. if (val & (1<<9))
  9740. vars->link_status |=
  9741. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9742. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9743. if (val & (1<<10))
  9744. vars->link_status |=
  9745. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9746. if (val & (1<<11))
  9747. vars->link_status |=
  9748. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9749. if ((phy->flags & FLAGS_EEE) &&
  9750. bnx2x_eee_has_cap(params))
  9751. bnx2x_eee_an_resolve(phy, params, vars);
  9752. }
  9753. }
  9754. return link_up;
  9755. }
  9756. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9757. struct link_params *params)
  9758. {
  9759. struct bnx2x *bp = params->bp;
  9760. u16 val;
  9761. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9762. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9763. /* Enable master/slave manual mmode and set to master */
  9764. /* mii write 9 [bits set 11 12] */
  9765. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9766. /* forced 1G and disable autoneg */
  9767. /* set val [mii read 0] */
  9768. /* set val [expr $val & [bits clear 6 12 13]] */
  9769. /* set val [expr $val | [bits set 6 8]] */
  9770. /* mii write 0 $val */
  9771. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9772. val &= ~((1<<6) | (1<<12) | (1<<13));
  9773. val |= (1<<6) | (1<<8);
  9774. bnx2x_cl22_write(bp, phy, 0x00, val);
  9775. /* Set external loopback and Tx using 6dB coding */
  9776. /* mii write 0x18 7 */
  9777. /* set val [mii read 0x18] */
  9778. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9779. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9780. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9781. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9782. /* This register opens the gate for the UMAC despite its name */
  9783. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9784. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9785. * length used by the MAC receive logic to check frames.
  9786. */
  9787. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9788. }
  9789. /******************************************************************/
  9790. /* SFX7101 PHY SECTION */
  9791. /******************************************************************/
  9792. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9793. struct link_params *params)
  9794. {
  9795. struct bnx2x *bp = params->bp;
  9796. /* SFX7101_XGXS_TEST1 */
  9797. bnx2x_cl45_write(bp, phy,
  9798. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9799. }
  9800. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9801. struct link_params *params,
  9802. struct link_vars *vars)
  9803. {
  9804. u16 fw_ver1, fw_ver2, val;
  9805. struct bnx2x *bp = params->bp;
  9806. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9807. /* Restore normal power mode*/
  9808. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9809. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9810. /* HW reset */
  9811. bnx2x_ext_phy_hw_reset(bp, params->port);
  9812. bnx2x_wait_reset_complete(bp, phy, params);
  9813. bnx2x_cl45_write(bp, phy,
  9814. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9815. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9816. bnx2x_cl45_write(bp, phy,
  9817. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9818. bnx2x_ext_phy_set_pause(params, phy, vars);
  9819. /* Restart autoneg */
  9820. bnx2x_cl45_read(bp, phy,
  9821. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9822. val |= 0x200;
  9823. bnx2x_cl45_write(bp, phy,
  9824. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9825. /* Save spirom version */
  9826. bnx2x_cl45_read(bp, phy,
  9827. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9828. bnx2x_cl45_read(bp, phy,
  9829. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9830. bnx2x_save_spirom_version(bp, params->port,
  9831. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9832. return 0;
  9833. }
  9834. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9835. struct link_params *params,
  9836. struct link_vars *vars)
  9837. {
  9838. struct bnx2x *bp = params->bp;
  9839. u8 link_up;
  9840. u16 val1, val2;
  9841. bnx2x_cl45_read(bp, phy,
  9842. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9843. bnx2x_cl45_read(bp, phy,
  9844. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9845. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9846. val2, val1);
  9847. bnx2x_cl45_read(bp, phy,
  9848. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9849. bnx2x_cl45_read(bp, phy,
  9850. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9851. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9852. val2, val1);
  9853. link_up = ((val1 & 4) == 4);
  9854. /* If link is up print the AN outcome of the SFX7101 PHY */
  9855. if (link_up) {
  9856. bnx2x_cl45_read(bp, phy,
  9857. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9858. &val2);
  9859. vars->line_speed = SPEED_10000;
  9860. vars->duplex = DUPLEX_FULL;
  9861. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9862. val2, (val2 & (1<<14)));
  9863. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9864. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9865. /* Read LP advertised speeds */
  9866. if (val2 & (1<<11))
  9867. vars->link_status |=
  9868. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9869. }
  9870. return link_up;
  9871. }
  9872. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9873. {
  9874. if (*len < 5)
  9875. return -EINVAL;
  9876. str[0] = (spirom_ver & 0xFF);
  9877. str[1] = (spirom_ver & 0xFF00) >> 8;
  9878. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9879. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9880. str[4] = '\0';
  9881. *len -= 5;
  9882. return 0;
  9883. }
  9884. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9885. {
  9886. u16 val, cnt;
  9887. bnx2x_cl45_read(bp, phy,
  9888. MDIO_PMA_DEVAD,
  9889. MDIO_PMA_REG_7101_RESET, &val);
  9890. for (cnt = 0; cnt < 10; cnt++) {
  9891. msleep(50);
  9892. /* Writes a self-clearing reset */
  9893. bnx2x_cl45_write(bp, phy,
  9894. MDIO_PMA_DEVAD,
  9895. MDIO_PMA_REG_7101_RESET,
  9896. (val | (1<<15)));
  9897. /* Wait for clear */
  9898. bnx2x_cl45_read(bp, phy,
  9899. MDIO_PMA_DEVAD,
  9900. MDIO_PMA_REG_7101_RESET, &val);
  9901. if ((val & (1<<15)) == 0)
  9902. break;
  9903. }
  9904. }
  9905. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9906. struct link_params *params) {
  9907. /* Low power mode is controlled by GPIO 2 */
  9908. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9909. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9910. /* The PHY reset is controlled by GPIO 1 */
  9911. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9912. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9913. }
  9914. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9915. struct link_params *params, u8 mode)
  9916. {
  9917. u16 val = 0;
  9918. struct bnx2x *bp = params->bp;
  9919. switch (mode) {
  9920. case LED_MODE_FRONT_PANEL_OFF:
  9921. case LED_MODE_OFF:
  9922. val = 2;
  9923. break;
  9924. case LED_MODE_ON:
  9925. val = 1;
  9926. break;
  9927. case LED_MODE_OPER:
  9928. val = 0;
  9929. break;
  9930. }
  9931. bnx2x_cl45_write(bp, phy,
  9932. MDIO_PMA_DEVAD,
  9933. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9934. val);
  9935. }
  9936. /******************************************************************/
  9937. /* STATIC PHY DECLARATION */
  9938. /******************************************************************/
  9939. static const struct bnx2x_phy phy_null = {
  9940. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9941. .addr = 0,
  9942. .def_md_devad = 0,
  9943. .flags = FLAGS_INIT_XGXS_FIRST,
  9944. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9945. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9946. .mdio_ctrl = 0,
  9947. .supported = 0,
  9948. .media_type = ETH_PHY_NOT_PRESENT,
  9949. .ver_addr = 0,
  9950. .req_flow_ctrl = 0,
  9951. .req_line_speed = 0,
  9952. .speed_cap_mask = 0,
  9953. .req_duplex = 0,
  9954. .rsrv = 0,
  9955. .config_init = (config_init_t)NULL,
  9956. .read_status = (read_status_t)NULL,
  9957. .link_reset = (link_reset_t)NULL,
  9958. .config_loopback = (config_loopback_t)NULL,
  9959. .format_fw_ver = (format_fw_ver_t)NULL,
  9960. .hw_reset = (hw_reset_t)NULL,
  9961. .set_link_led = (set_link_led_t)NULL,
  9962. .phy_specific_func = (phy_specific_func_t)NULL
  9963. };
  9964. static const struct bnx2x_phy phy_serdes = {
  9965. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9966. .addr = 0xff,
  9967. .def_md_devad = 0,
  9968. .flags = 0,
  9969. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9970. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9971. .mdio_ctrl = 0,
  9972. .supported = (SUPPORTED_10baseT_Half |
  9973. SUPPORTED_10baseT_Full |
  9974. SUPPORTED_100baseT_Half |
  9975. SUPPORTED_100baseT_Full |
  9976. SUPPORTED_1000baseT_Full |
  9977. SUPPORTED_2500baseX_Full |
  9978. SUPPORTED_TP |
  9979. SUPPORTED_Autoneg |
  9980. SUPPORTED_Pause |
  9981. SUPPORTED_Asym_Pause),
  9982. .media_type = ETH_PHY_BASE_T,
  9983. .ver_addr = 0,
  9984. .req_flow_ctrl = 0,
  9985. .req_line_speed = 0,
  9986. .speed_cap_mask = 0,
  9987. .req_duplex = 0,
  9988. .rsrv = 0,
  9989. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9990. .read_status = (read_status_t)bnx2x_link_settings_status,
  9991. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9992. .config_loopback = (config_loopback_t)NULL,
  9993. .format_fw_ver = (format_fw_ver_t)NULL,
  9994. .hw_reset = (hw_reset_t)NULL,
  9995. .set_link_led = (set_link_led_t)NULL,
  9996. .phy_specific_func = (phy_specific_func_t)NULL
  9997. };
  9998. static const struct bnx2x_phy phy_xgxs = {
  9999. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10000. .addr = 0xff,
  10001. .def_md_devad = 0,
  10002. .flags = 0,
  10003. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10004. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10005. .mdio_ctrl = 0,
  10006. .supported = (SUPPORTED_10baseT_Half |
  10007. SUPPORTED_10baseT_Full |
  10008. SUPPORTED_100baseT_Half |
  10009. SUPPORTED_100baseT_Full |
  10010. SUPPORTED_1000baseT_Full |
  10011. SUPPORTED_2500baseX_Full |
  10012. SUPPORTED_10000baseT_Full |
  10013. SUPPORTED_FIBRE |
  10014. SUPPORTED_Autoneg |
  10015. SUPPORTED_Pause |
  10016. SUPPORTED_Asym_Pause),
  10017. .media_type = ETH_PHY_CX4,
  10018. .ver_addr = 0,
  10019. .req_flow_ctrl = 0,
  10020. .req_line_speed = 0,
  10021. .speed_cap_mask = 0,
  10022. .req_duplex = 0,
  10023. .rsrv = 0,
  10024. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10025. .read_status = (read_status_t)bnx2x_link_settings_status,
  10026. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10027. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10028. .format_fw_ver = (format_fw_ver_t)NULL,
  10029. .hw_reset = (hw_reset_t)NULL,
  10030. .set_link_led = (set_link_led_t)NULL,
  10031. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10032. };
  10033. static const struct bnx2x_phy phy_warpcore = {
  10034. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10035. .addr = 0xff,
  10036. .def_md_devad = 0,
  10037. .flags = FLAGS_TX_ERROR_CHECK,
  10038. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10039. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10040. .mdio_ctrl = 0,
  10041. .supported = (SUPPORTED_10baseT_Half |
  10042. SUPPORTED_10baseT_Full |
  10043. SUPPORTED_100baseT_Half |
  10044. SUPPORTED_100baseT_Full |
  10045. SUPPORTED_1000baseT_Full |
  10046. SUPPORTED_10000baseT_Full |
  10047. SUPPORTED_20000baseKR2_Full |
  10048. SUPPORTED_20000baseMLD2_Full |
  10049. SUPPORTED_FIBRE |
  10050. SUPPORTED_Autoneg |
  10051. SUPPORTED_Pause |
  10052. SUPPORTED_Asym_Pause),
  10053. .media_type = ETH_PHY_UNSPECIFIED,
  10054. .ver_addr = 0,
  10055. .req_flow_ctrl = 0,
  10056. .req_line_speed = 0,
  10057. .speed_cap_mask = 0,
  10058. /* req_duplex = */0,
  10059. /* rsrv = */0,
  10060. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10061. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10062. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10063. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10064. .format_fw_ver = (format_fw_ver_t)NULL,
  10065. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10066. .set_link_led = (set_link_led_t)NULL,
  10067. .phy_specific_func = (phy_specific_func_t)NULL
  10068. };
  10069. static const struct bnx2x_phy phy_7101 = {
  10070. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10071. .addr = 0xff,
  10072. .def_md_devad = 0,
  10073. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10074. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10075. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10076. .mdio_ctrl = 0,
  10077. .supported = (SUPPORTED_10000baseT_Full |
  10078. SUPPORTED_TP |
  10079. SUPPORTED_Autoneg |
  10080. SUPPORTED_Pause |
  10081. SUPPORTED_Asym_Pause),
  10082. .media_type = ETH_PHY_BASE_T,
  10083. .ver_addr = 0,
  10084. .req_flow_ctrl = 0,
  10085. .req_line_speed = 0,
  10086. .speed_cap_mask = 0,
  10087. .req_duplex = 0,
  10088. .rsrv = 0,
  10089. .config_init = (config_init_t)bnx2x_7101_config_init,
  10090. .read_status = (read_status_t)bnx2x_7101_read_status,
  10091. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10092. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10093. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10094. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10095. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10096. .phy_specific_func = (phy_specific_func_t)NULL
  10097. };
  10098. static const struct bnx2x_phy phy_8073 = {
  10099. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10100. .addr = 0xff,
  10101. .def_md_devad = 0,
  10102. .flags = 0,
  10103. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10104. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10105. .mdio_ctrl = 0,
  10106. .supported = (SUPPORTED_10000baseT_Full |
  10107. SUPPORTED_2500baseX_Full |
  10108. SUPPORTED_1000baseT_Full |
  10109. SUPPORTED_FIBRE |
  10110. SUPPORTED_Autoneg |
  10111. SUPPORTED_Pause |
  10112. SUPPORTED_Asym_Pause),
  10113. .media_type = ETH_PHY_KR,
  10114. .ver_addr = 0,
  10115. .req_flow_ctrl = 0,
  10116. .req_line_speed = 0,
  10117. .speed_cap_mask = 0,
  10118. .req_duplex = 0,
  10119. .rsrv = 0,
  10120. .config_init = (config_init_t)bnx2x_8073_config_init,
  10121. .read_status = (read_status_t)bnx2x_8073_read_status,
  10122. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10123. .config_loopback = (config_loopback_t)NULL,
  10124. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10125. .hw_reset = (hw_reset_t)NULL,
  10126. .set_link_led = (set_link_led_t)NULL,
  10127. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10128. };
  10129. static const struct bnx2x_phy phy_8705 = {
  10130. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10131. .addr = 0xff,
  10132. .def_md_devad = 0,
  10133. .flags = FLAGS_INIT_XGXS_FIRST,
  10134. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10135. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10136. .mdio_ctrl = 0,
  10137. .supported = (SUPPORTED_10000baseT_Full |
  10138. SUPPORTED_FIBRE |
  10139. SUPPORTED_Pause |
  10140. SUPPORTED_Asym_Pause),
  10141. .media_type = ETH_PHY_XFP_FIBER,
  10142. .ver_addr = 0,
  10143. .req_flow_ctrl = 0,
  10144. .req_line_speed = 0,
  10145. .speed_cap_mask = 0,
  10146. .req_duplex = 0,
  10147. .rsrv = 0,
  10148. .config_init = (config_init_t)bnx2x_8705_config_init,
  10149. .read_status = (read_status_t)bnx2x_8705_read_status,
  10150. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10151. .config_loopback = (config_loopback_t)NULL,
  10152. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10153. .hw_reset = (hw_reset_t)NULL,
  10154. .set_link_led = (set_link_led_t)NULL,
  10155. .phy_specific_func = (phy_specific_func_t)NULL
  10156. };
  10157. static const struct bnx2x_phy phy_8706 = {
  10158. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10159. .addr = 0xff,
  10160. .def_md_devad = 0,
  10161. .flags = FLAGS_INIT_XGXS_FIRST,
  10162. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10163. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10164. .mdio_ctrl = 0,
  10165. .supported = (SUPPORTED_10000baseT_Full |
  10166. SUPPORTED_1000baseT_Full |
  10167. SUPPORTED_FIBRE |
  10168. SUPPORTED_Pause |
  10169. SUPPORTED_Asym_Pause),
  10170. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10171. .ver_addr = 0,
  10172. .req_flow_ctrl = 0,
  10173. .req_line_speed = 0,
  10174. .speed_cap_mask = 0,
  10175. .req_duplex = 0,
  10176. .rsrv = 0,
  10177. .config_init = (config_init_t)bnx2x_8706_config_init,
  10178. .read_status = (read_status_t)bnx2x_8706_read_status,
  10179. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10180. .config_loopback = (config_loopback_t)NULL,
  10181. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10182. .hw_reset = (hw_reset_t)NULL,
  10183. .set_link_led = (set_link_led_t)NULL,
  10184. .phy_specific_func = (phy_specific_func_t)NULL
  10185. };
  10186. static const struct bnx2x_phy phy_8726 = {
  10187. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10188. .addr = 0xff,
  10189. .def_md_devad = 0,
  10190. .flags = (FLAGS_INIT_XGXS_FIRST |
  10191. FLAGS_TX_ERROR_CHECK),
  10192. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10193. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10194. .mdio_ctrl = 0,
  10195. .supported = (SUPPORTED_10000baseT_Full |
  10196. SUPPORTED_1000baseT_Full |
  10197. SUPPORTED_Autoneg |
  10198. SUPPORTED_FIBRE |
  10199. SUPPORTED_Pause |
  10200. SUPPORTED_Asym_Pause),
  10201. .media_type = ETH_PHY_NOT_PRESENT,
  10202. .ver_addr = 0,
  10203. .req_flow_ctrl = 0,
  10204. .req_line_speed = 0,
  10205. .speed_cap_mask = 0,
  10206. .req_duplex = 0,
  10207. .rsrv = 0,
  10208. .config_init = (config_init_t)bnx2x_8726_config_init,
  10209. .read_status = (read_status_t)bnx2x_8726_read_status,
  10210. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10211. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10212. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10213. .hw_reset = (hw_reset_t)NULL,
  10214. .set_link_led = (set_link_led_t)NULL,
  10215. .phy_specific_func = (phy_specific_func_t)NULL
  10216. };
  10217. static const struct bnx2x_phy phy_8727 = {
  10218. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10219. .addr = 0xff,
  10220. .def_md_devad = 0,
  10221. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10222. FLAGS_TX_ERROR_CHECK),
  10223. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10224. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10225. .mdio_ctrl = 0,
  10226. .supported = (SUPPORTED_10000baseT_Full |
  10227. SUPPORTED_1000baseT_Full |
  10228. SUPPORTED_FIBRE |
  10229. SUPPORTED_Pause |
  10230. SUPPORTED_Asym_Pause),
  10231. .media_type = ETH_PHY_NOT_PRESENT,
  10232. .ver_addr = 0,
  10233. .req_flow_ctrl = 0,
  10234. .req_line_speed = 0,
  10235. .speed_cap_mask = 0,
  10236. .req_duplex = 0,
  10237. .rsrv = 0,
  10238. .config_init = (config_init_t)bnx2x_8727_config_init,
  10239. .read_status = (read_status_t)bnx2x_8727_read_status,
  10240. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10241. .config_loopback = (config_loopback_t)NULL,
  10242. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10243. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10244. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10245. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10246. };
  10247. static const struct bnx2x_phy phy_8481 = {
  10248. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10249. .addr = 0xff,
  10250. .def_md_devad = 0,
  10251. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10252. FLAGS_REARM_LATCH_SIGNAL,
  10253. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10254. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10255. .mdio_ctrl = 0,
  10256. .supported = (SUPPORTED_10baseT_Half |
  10257. SUPPORTED_10baseT_Full |
  10258. SUPPORTED_100baseT_Half |
  10259. SUPPORTED_100baseT_Full |
  10260. SUPPORTED_1000baseT_Full |
  10261. SUPPORTED_10000baseT_Full |
  10262. SUPPORTED_TP |
  10263. SUPPORTED_Autoneg |
  10264. SUPPORTED_Pause |
  10265. SUPPORTED_Asym_Pause),
  10266. .media_type = ETH_PHY_BASE_T,
  10267. .ver_addr = 0,
  10268. .req_flow_ctrl = 0,
  10269. .req_line_speed = 0,
  10270. .speed_cap_mask = 0,
  10271. .req_duplex = 0,
  10272. .rsrv = 0,
  10273. .config_init = (config_init_t)bnx2x_8481_config_init,
  10274. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10275. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10276. .config_loopback = (config_loopback_t)NULL,
  10277. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10278. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10279. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10280. .phy_specific_func = (phy_specific_func_t)NULL
  10281. };
  10282. static const struct bnx2x_phy phy_84823 = {
  10283. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10284. .addr = 0xff,
  10285. .def_md_devad = 0,
  10286. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10287. FLAGS_REARM_LATCH_SIGNAL |
  10288. FLAGS_TX_ERROR_CHECK),
  10289. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10290. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10291. .mdio_ctrl = 0,
  10292. .supported = (SUPPORTED_10baseT_Half |
  10293. SUPPORTED_10baseT_Full |
  10294. SUPPORTED_100baseT_Half |
  10295. SUPPORTED_100baseT_Full |
  10296. SUPPORTED_1000baseT_Full |
  10297. SUPPORTED_10000baseT_Full |
  10298. SUPPORTED_TP |
  10299. SUPPORTED_Autoneg |
  10300. SUPPORTED_Pause |
  10301. SUPPORTED_Asym_Pause),
  10302. .media_type = ETH_PHY_BASE_T,
  10303. .ver_addr = 0,
  10304. .req_flow_ctrl = 0,
  10305. .req_line_speed = 0,
  10306. .speed_cap_mask = 0,
  10307. .req_duplex = 0,
  10308. .rsrv = 0,
  10309. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10310. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10311. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10312. .config_loopback = (config_loopback_t)NULL,
  10313. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10314. .hw_reset = (hw_reset_t)NULL,
  10315. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10316. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10317. };
  10318. static const struct bnx2x_phy phy_84833 = {
  10319. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10320. .addr = 0xff,
  10321. .def_md_devad = 0,
  10322. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10323. FLAGS_REARM_LATCH_SIGNAL |
  10324. FLAGS_TX_ERROR_CHECK),
  10325. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10326. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10327. .mdio_ctrl = 0,
  10328. .supported = (SUPPORTED_100baseT_Half |
  10329. SUPPORTED_100baseT_Full |
  10330. SUPPORTED_1000baseT_Full |
  10331. SUPPORTED_10000baseT_Full |
  10332. SUPPORTED_TP |
  10333. SUPPORTED_Autoneg |
  10334. SUPPORTED_Pause |
  10335. SUPPORTED_Asym_Pause),
  10336. .media_type = ETH_PHY_BASE_T,
  10337. .ver_addr = 0,
  10338. .req_flow_ctrl = 0,
  10339. .req_line_speed = 0,
  10340. .speed_cap_mask = 0,
  10341. .req_duplex = 0,
  10342. .rsrv = 0,
  10343. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10344. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10345. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10346. .config_loopback = (config_loopback_t)NULL,
  10347. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10348. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10349. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10350. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10351. };
  10352. static const struct bnx2x_phy phy_84834 = {
  10353. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10354. .addr = 0xff,
  10355. .def_md_devad = 0,
  10356. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10357. FLAGS_REARM_LATCH_SIGNAL,
  10358. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10359. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10360. .mdio_ctrl = 0,
  10361. .supported = (SUPPORTED_100baseT_Half |
  10362. SUPPORTED_100baseT_Full |
  10363. SUPPORTED_1000baseT_Full |
  10364. SUPPORTED_10000baseT_Full |
  10365. SUPPORTED_TP |
  10366. SUPPORTED_Autoneg |
  10367. SUPPORTED_Pause |
  10368. SUPPORTED_Asym_Pause),
  10369. .media_type = ETH_PHY_BASE_T,
  10370. .ver_addr = 0,
  10371. .req_flow_ctrl = 0,
  10372. .req_line_speed = 0,
  10373. .speed_cap_mask = 0,
  10374. .req_duplex = 0,
  10375. .rsrv = 0,
  10376. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10377. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10378. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10379. .config_loopback = (config_loopback_t)NULL,
  10380. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10381. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10382. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10383. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10384. };
  10385. static const struct bnx2x_phy phy_54618se = {
  10386. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10387. .addr = 0xff,
  10388. .def_md_devad = 0,
  10389. .flags = FLAGS_INIT_XGXS_FIRST,
  10390. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10391. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10392. .mdio_ctrl = 0,
  10393. .supported = (SUPPORTED_10baseT_Half |
  10394. SUPPORTED_10baseT_Full |
  10395. SUPPORTED_100baseT_Half |
  10396. SUPPORTED_100baseT_Full |
  10397. SUPPORTED_1000baseT_Full |
  10398. SUPPORTED_TP |
  10399. SUPPORTED_Autoneg |
  10400. SUPPORTED_Pause |
  10401. SUPPORTED_Asym_Pause),
  10402. .media_type = ETH_PHY_BASE_T,
  10403. .ver_addr = 0,
  10404. .req_flow_ctrl = 0,
  10405. .req_line_speed = 0,
  10406. .speed_cap_mask = 0,
  10407. /* req_duplex = */0,
  10408. /* rsrv = */0,
  10409. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10410. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10411. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10412. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10413. .format_fw_ver = (format_fw_ver_t)NULL,
  10414. .hw_reset = (hw_reset_t)NULL,
  10415. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10416. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10417. };
  10418. /*****************************************************************/
  10419. /* */
  10420. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10421. /* */
  10422. /*****************************************************************/
  10423. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10424. struct bnx2x_phy *phy, u8 port,
  10425. u8 phy_index)
  10426. {
  10427. /* Get the 4 lanes xgxs config rx and tx */
  10428. u32 rx = 0, tx = 0, i;
  10429. for (i = 0; i < 2; i++) {
  10430. /* INT_PHY and EXT_PHY1 share the same value location in
  10431. * the shmem. When num_phys is greater than 1, than this value
  10432. * applies only to EXT_PHY1
  10433. */
  10434. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10435. rx = REG_RD(bp, shmem_base +
  10436. offsetof(struct shmem_region,
  10437. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10438. tx = REG_RD(bp, shmem_base +
  10439. offsetof(struct shmem_region,
  10440. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10441. } else {
  10442. rx = REG_RD(bp, shmem_base +
  10443. offsetof(struct shmem_region,
  10444. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10445. tx = REG_RD(bp, shmem_base +
  10446. offsetof(struct shmem_region,
  10447. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10448. }
  10449. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10450. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10451. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10452. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10453. }
  10454. }
  10455. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10456. u8 phy_index, u8 port)
  10457. {
  10458. u32 ext_phy_config = 0;
  10459. switch (phy_index) {
  10460. case EXT_PHY1:
  10461. ext_phy_config = REG_RD(bp, shmem_base +
  10462. offsetof(struct shmem_region,
  10463. dev_info.port_hw_config[port].external_phy_config));
  10464. break;
  10465. case EXT_PHY2:
  10466. ext_phy_config = REG_RD(bp, shmem_base +
  10467. offsetof(struct shmem_region,
  10468. dev_info.port_hw_config[port].external_phy_config2));
  10469. break;
  10470. default:
  10471. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10472. return -EINVAL;
  10473. }
  10474. return ext_phy_config;
  10475. }
  10476. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10477. struct bnx2x_phy *phy)
  10478. {
  10479. u32 phy_addr;
  10480. u32 chip_id;
  10481. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10482. offsetof(struct shmem_region,
  10483. dev_info.port_feature_config[port].link_config)) &
  10484. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10485. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10486. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10487. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10488. if (USES_WARPCORE(bp)) {
  10489. u32 serdes_net_if;
  10490. phy_addr = REG_RD(bp,
  10491. MISC_REG_WC0_CTRL_PHY_ADDR);
  10492. *phy = phy_warpcore;
  10493. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10494. phy->flags |= FLAGS_4_PORT_MODE;
  10495. else
  10496. phy->flags &= ~FLAGS_4_PORT_MODE;
  10497. /* Check Dual mode */
  10498. serdes_net_if = (REG_RD(bp, shmem_base +
  10499. offsetof(struct shmem_region, dev_info.
  10500. port_hw_config[port].default_cfg)) &
  10501. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10502. /* Set the appropriate supported and flags indications per
  10503. * interface type of the chip
  10504. */
  10505. switch (serdes_net_if) {
  10506. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10507. phy->supported &= (SUPPORTED_10baseT_Half |
  10508. SUPPORTED_10baseT_Full |
  10509. SUPPORTED_100baseT_Half |
  10510. SUPPORTED_100baseT_Full |
  10511. SUPPORTED_1000baseT_Full |
  10512. SUPPORTED_FIBRE |
  10513. SUPPORTED_Autoneg |
  10514. SUPPORTED_Pause |
  10515. SUPPORTED_Asym_Pause);
  10516. phy->media_type = ETH_PHY_BASE_T;
  10517. break;
  10518. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10519. phy->supported &= (SUPPORTED_1000baseT_Full |
  10520. SUPPORTED_10000baseT_Full |
  10521. SUPPORTED_FIBRE |
  10522. SUPPORTED_Pause |
  10523. SUPPORTED_Asym_Pause);
  10524. phy->media_type = ETH_PHY_XFP_FIBER;
  10525. break;
  10526. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10527. phy->supported &= (SUPPORTED_1000baseT_Full |
  10528. SUPPORTED_10000baseT_Full |
  10529. SUPPORTED_FIBRE |
  10530. SUPPORTED_Pause |
  10531. SUPPORTED_Asym_Pause);
  10532. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10533. break;
  10534. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10535. phy->media_type = ETH_PHY_KR;
  10536. phy->supported &= (SUPPORTED_1000baseT_Full |
  10537. SUPPORTED_10000baseT_Full |
  10538. SUPPORTED_FIBRE |
  10539. SUPPORTED_Autoneg |
  10540. SUPPORTED_Pause |
  10541. SUPPORTED_Asym_Pause);
  10542. break;
  10543. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10544. phy->media_type = ETH_PHY_KR;
  10545. phy->flags |= FLAGS_WC_DUAL_MODE;
  10546. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10547. SUPPORTED_FIBRE |
  10548. SUPPORTED_Pause |
  10549. SUPPORTED_Asym_Pause);
  10550. break;
  10551. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10552. phy->media_type = ETH_PHY_KR;
  10553. phy->flags |= FLAGS_WC_DUAL_MODE;
  10554. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10555. SUPPORTED_10000baseT_Full |
  10556. SUPPORTED_1000baseT_Full |
  10557. SUPPORTED_Autoneg |
  10558. SUPPORTED_FIBRE |
  10559. SUPPORTED_Pause |
  10560. SUPPORTED_Asym_Pause);
  10561. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10562. break;
  10563. default:
  10564. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10565. serdes_net_if);
  10566. break;
  10567. }
  10568. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10569. * was not set as expected. For B0, ECO will be enabled so there
  10570. * won't be an issue there
  10571. */
  10572. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10573. phy->flags |= FLAGS_MDC_MDIO_WA;
  10574. else
  10575. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10576. } else {
  10577. switch (switch_cfg) {
  10578. case SWITCH_CFG_1G:
  10579. phy_addr = REG_RD(bp,
  10580. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10581. port * 0x10);
  10582. *phy = phy_serdes;
  10583. break;
  10584. case SWITCH_CFG_10G:
  10585. phy_addr = REG_RD(bp,
  10586. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10587. port * 0x18);
  10588. *phy = phy_xgxs;
  10589. break;
  10590. default:
  10591. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10592. return -EINVAL;
  10593. }
  10594. }
  10595. phy->addr = (u8)phy_addr;
  10596. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10597. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10598. port);
  10599. if (CHIP_IS_E2(bp))
  10600. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10601. else
  10602. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10603. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10604. port, phy->addr, phy->mdio_ctrl);
  10605. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10606. return 0;
  10607. }
  10608. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10609. u8 phy_index,
  10610. u32 shmem_base,
  10611. u32 shmem2_base,
  10612. u8 port,
  10613. struct bnx2x_phy *phy)
  10614. {
  10615. u32 ext_phy_config, phy_type, config2;
  10616. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10617. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10618. phy_index, port);
  10619. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10620. /* Select the phy type */
  10621. switch (phy_type) {
  10622. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10623. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10624. *phy = phy_8073;
  10625. break;
  10626. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10627. *phy = phy_8705;
  10628. break;
  10629. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10630. *phy = phy_8706;
  10631. break;
  10632. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10633. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10634. *phy = phy_8726;
  10635. break;
  10636. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10637. /* BCM8727_NOC => BCM8727 no over current */
  10638. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10639. *phy = phy_8727;
  10640. phy->flags |= FLAGS_NOC;
  10641. break;
  10642. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10643. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10644. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10645. *phy = phy_8727;
  10646. break;
  10647. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10648. *phy = phy_8481;
  10649. break;
  10650. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10651. *phy = phy_84823;
  10652. break;
  10653. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10654. *phy = phy_84833;
  10655. break;
  10656. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10657. *phy = phy_84834;
  10658. break;
  10659. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10660. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10661. *phy = phy_54618se;
  10662. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10663. phy->flags |= FLAGS_EEE;
  10664. break;
  10665. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10666. *phy = phy_7101;
  10667. break;
  10668. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10669. *phy = phy_null;
  10670. return -EINVAL;
  10671. default:
  10672. *phy = phy_null;
  10673. /* In case external PHY wasn't found */
  10674. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10675. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10676. return -EINVAL;
  10677. return 0;
  10678. }
  10679. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10680. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10681. /* The shmem address of the phy version is located on different
  10682. * structures. In case this structure is too old, do not set
  10683. * the address
  10684. */
  10685. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10686. dev_info.shared_hw_config.config2));
  10687. if (phy_index == EXT_PHY1) {
  10688. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10689. port_mb[port].ext_phy_fw_version);
  10690. /* Check specific mdc mdio settings */
  10691. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10692. mdc_mdio_access = config2 &
  10693. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10694. } else {
  10695. u32 size = REG_RD(bp, shmem2_base);
  10696. if (size >
  10697. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10698. phy->ver_addr = shmem2_base +
  10699. offsetof(struct shmem2_region,
  10700. ext_phy_fw_version2[port]);
  10701. }
  10702. /* Check specific mdc mdio settings */
  10703. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10704. mdc_mdio_access = (config2 &
  10705. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10706. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10707. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10708. }
  10709. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10710. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10711. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10712. (phy->ver_addr)) {
  10713. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10714. * version lower than or equal to 1.39
  10715. */
  10716. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10717. if (((raw_ver & 0x7F) <= 39) &&
  10718. (((raw_ver & 0xF80) >> 7) <= 1))
  10719. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10720. SUPPORTED_100baseT_Full);
  10721. }
  10722. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10723. phy_type, port, phy_index);
  10724. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10725. phy->addr, phy->mdio_ctrl);
  10726. return 0;
  10727. }
  10728. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10729. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10730. {
  10731. int status = 0;
  10732. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10733. if (phy_index == INT_PHY)
  10734. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10735. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10736. port, phy);
  10737. return status;
  10738. }
  10739. static void bnx2x_phy_def_cfg(struct link_params *params,
  10740. struct bnx2x_phy *phy,
  10741. u8 phy_index)
  10742. {
  10743. struct bnx2x *bp = params->bp;
  10744. u32 link_config;
  10745. /* Populate the default phy configuration for MF mode */
  10746. if (phy_index == EXT_PHY2) {
  10747. link_config = REG_RD(bp, params->shmem_base +
  10748. offsetof(struct shmem_region, dev_info.
  10749. port_feature_config[params->port].link_config2));
  10750. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10751. offsetof(struct shmem_region,
  10752. dev_info.
  10753. port_hw_config[params->port].speed_capability_mask2));
  10754. } else {
  10755. link_config = REG_RD(bp, params->shmem_base +
  10756. offsetof(struct shmem_region, dev_info.
  10757. port_feature_config[params->port].link_config));
  10758. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10759. offsetof(struct shmem_region,
  10760. dev_info.
  10761. port_hw_config[params->port].speed_capability_mask));
  10762. }
  10763. DP(NETIF_MSG_LINK,
  10764. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10765. phy_index, link_config, phy->speed_cap_mask);
  10766. phy->req_duplex = DUPLEX_FULL;
  10767. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10768. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10769. phy->req_duplex = DUPLEX_HALF;
  10770. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10771. phy->req_line_speed = SPEED_10;
  10772. break;
  10773. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10774. phy->req_duplex = DUPLEX_HALF;
  10775. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10776. phy->req_line_speed = SPEED_100;
  10777. break;
  10778. case PORT_FEATURE_LINK_SPEED_1G:
  10779. phy->req_line_speed = SPEED_1000;
  10780. break;
  10781. case PORT_FEATURE_LINK_SPEED_2_5G:
  10782. phy->req_line_speed = SPEED_2500;
  10783. break;
  10784. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10785. phy->req_line_speed = SPEED_10000;
  10786. break;
  10787. default:
  10788. phy->req_line_speed = SPEED_AUTO_NEG;
  10789. break;
  10790. }
  10791. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10792. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10793. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10794. break;
  10795. case PORT_FEATURE_FLOW_CONTROL_TX:
  10796. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10797. break;
  10798. case PORT_FEATURE_FLOW_CONTROL_RX:
  10799. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10800. break;
  10801. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10802. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10803. break;
  10804. default:
  10805. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10806. break;
  10807. }
  10808. }
  10809. u32 bnx2x_phy_selection(struct link_params *params)
  10810. {
  10811. u32 phy_config_swapped, prio_cfg;
  10812. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10813. phy_config_swapped = params->multi_phy_config &
  10814. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10815. prio_cfg = params->multi_phy_config &
  10816. PORT_HW_CFG_PHY_SELECTION_MASK;
  10817. if (phy_config_swapped) {
  10818. switch (prio_cfg) {
  10819. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10820. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10821. break;
  10822. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10823. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10824. break;
  10825. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10826. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10827. break;
  10828. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10829. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10830. break;
  10831. }
  10832. } else
  10833. return_cfg = prio_cfg;
  10834. return return_cfg;
  10835. }
  10836. int bnx2x_phy_probe(struct link_params *params)
  10837. {
  10838. u8 phy_index, actual_phy_idx;
  10839. u32 phy_config_swapped, sync_offset, media_types;
  10840. struct bnx2x *bp = params->bp;
  10841. struct bnx2x_phy *phy;
  10842. params->num_phys = 0;
  10843. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10844. phy_config_swapped = params->multi_phy_config &
  10845. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10846. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10847. phy_index++) {
  10848. actual_phy_idx = phy_index;
  10849. if (phy_config_swapped) {
  10850. if (phy_index == EXT_PHY1)
  10851. actual_phy_idx = EXT_PHY2;
  10852. else if (phy_index == EXT_PHY2)
  10853. actual_phy_idx = EXT_PHY1;
  10854. }
  10855. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10856. " actual_phy_idx %x\n", phy_config_swapped,
  10857. phy_index, actual_phy_idx);
  10858. phy = &params->phy[actual_phy_idx];
  10859. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10860. params->shmem2_base, params->port,
  10861. phy) != 0) {
  10862. params->num_phys = 0;
  10863. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10864. phy_index);
  10865. for (phy_index = INT_PHY;
  10866. phy_index < MAX_PHYS;
  10867. phy_index++)
  10868. *phy = phy_null;
  10869. return -EINVAL;
  10870. }
  10871. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10872. break;
  10873. if (params->feature_config_flags &
  10874. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10875. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10876. if (!(params->feature_config_flags &
  10877. FEATURE_CONFIG_MT_SUPPORT))
  10878. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10879. sync_offset = params->shmem_base +
  10880. offsetof(struct shmem_region,
  10881. dev_info.port_hw_config[params->port].media_type);
  10882. media_types = REG_RD(bp, sync_offset);
  10883. /* Update media type for non-PMF sync only for the first time
  10884. * In case the media type changes afterwards, it will be updated
  10885. * using the update_status function
  10886. */
  10887. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10888. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10889. actual_phy_idx))) == 0) {
  10890. media_types |= ((phy->media_type &
  10891. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10892. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10893. actual_phy_idx));
  10894. }
  10895. REG_WR(bp, sync_offset, media_types);
  10896. bnx2x_phy_def_cfg(params, phy, phy_index);
  10897. params->num_phys++;
  10898. }
  10899. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10900. return 0;
  10901. }
  10902. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10903. struct link_vars *vars)
  10904. {
  10905. struct bnx2x *bp = params->bp;
  10906. vars->link_up = 1;
  10907. vars->line_speed = SPEED_10000;
  10908. vars->duplex = DUPLEX_FULL;
  10909. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10910. vars->mac_type = MAC_TYPE_BMAC;
  10911. vars->phy_flags = PHY_XGXS_FLAG;
  10912. bnx2x_xgxs_deassert(params);
  10913. /* Set bmac loopback */
  10914. bnx2x_bmac_enable(params, vars, 1, 1);
  10915. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10916. }
  10917. static void bnx2x_init_emac_loopback(struct link_params *params,
  10918. struct link_vars *vars)
  10919. {
  10920. struct bnx2x *bp = params->bp;
  10921. vars->link_up = 1;
  10922. vars->line_speed = SPEED_1000;
  10923. vars->duplex = DUPLEX_FULL;
  10924. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10925. vars->mac_type = MAC_TYPE_EMAC;
  10926. vars->phy_flags = PHY_XGXS_FLAG;
  10927. bnx2x_xgxs_deassert(params);
  10928. /* Set bmac loopback */
  10929. bnx2x_emac_enable(params, vars, 1);
  10930. bnx2x_emac_program(params, vars);
  10931. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10932. }
  10933. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10934. struct link_vars *vars)
  10935. {
  10936. struct bnx2x *bp = params->bp;
  10937. vars->link_up = 1;
  10938. if (!params->req_line_speed[0])
  10939. vars->line_speed = SPEED_10000;
  10940. else
  10941. vars->line_speed = params->req_line_speed[0];
  10942. vars->duplex = DUPLEX_FULL;
  10943. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10944. vars->mac_type = MAC_TYPE_XMAC;
  10945. vars->phy_flags = PHY_XGXS_FLAG;
  10946. /* Set WC to loopback mode since link is required to provide clock
  10947. * to the XMAC in 20G mode
  10948. */
  10949. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10950. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10951. params->phy[INT_PHY].config_loopback(
  10952. &params->phy[INT_PHY],
  10953. params);
  10954. bnx2x_xmac_enable(params, vars, 1);
  10955. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10956. }
  10957. static void bnx2x_init_umac_loopback(struct link_params *params,
  10958. struct link_vars *vars)
  10959. {
  10960. struct bnx2x *bp = params->bp;
  10961. vars->link_up = 1;
  10962. vars->line_speed = SPEED_1000;
  10963. vars->duplex = DUPLEX_FULL;
  10964. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10965. vars->mac_type = MAC_TYPE_UMAC;
  10966. vars->phy_flags = PHY_XGXS_FLAG;
  10967. bnx2x_umac_enable(params, vars, 1);
  10968. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10969. }
  10970. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10971. struct link_vars *vars)
  10972. {
  10973. struct bnx2x *bp = params->bp;
  10974. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10975. vars->link_up = 1;
  10976. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10977. vars->duplex = DUPLEX_FULL;
  10978. if (params->req_line_speed[0] == SPEED_1000)
  10979. vars->line_speed = SPEED_1000;
  10980. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10981. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10982. vars->line_speed = SPEED_20000;
  10983. else
  10984. vars->line_speed = SPEED_10000;
  10985. if (!USES_WARPCORE(bp))
  10986. bnx2x_xgxs_deassert(params);
  10987. bnx2x_link_initialize(params, vars);
  10988. if (params->req_line_speed[0] == SPEED_1000) {
  10989. if (USES_WARPCORE(bp))
  10990. bnx2x_umac_enable(params, vars, 0);
  10991. else {
  10992. bnx2x_emac_program(params, vars);
  10993. bnx2x_emac_enable(params, vars, 0);
  10994. }
  10995. } else {
  10996. if (USES_WARPCORE(bp))
  10997. bnx2x_xmac_enable(params, vars, 0);
  10998. else
  10999. bnx2x_bmac_enable(params, vars, 0, 1);
  11000. }
  11001. if (params->loopback_mode == LOOPBACK_XGXS) {
  11002. /* Set 10G XGXS loopback */
  11003. int_phy->config_loopback(int_phy, params);
  11004. } else {
  11005. /* Set external phy loopback */
  11006. u8 phy_index;
  11007. for (phy_index = EXT_PHY1;
  11008. phy_index < params->num_phys; phy_index++)
  11009. if (params->phy[phy_index].config_loopback)
  11010. params->phy[phy_index].config_loopback(
  11011. &params->phy[phy_index],
  11012. params);
  11013. }
  11014. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11015. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11016. }
  11017. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11018. {
  11019. struct bnx2x *bp = params->bp;
  11020. u8 val = en * 0x1F;
  11021. /* Open / close the gate between the NIG and the BRB */
  11022. if (!CHIP_IS_E1x(bp))
  11023. val |= en * 0x20;
  11024. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11025. if (!CHIP_IS_E1(bp)) {
  11026. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11027. en*0x3);
  11028. }
  11029. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11030. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11031. }
  11032. static int bnx2x_avoid_link_flap(struct link_params *params,
  11033. struct link_vars *vars)
  11034. {
  11035. u32 phy_idx;
  11036. u32 dont_clear_stat, lfa_sts;
  11037. struct bnx2x *bp = params->bp;
  11038. /* Sync the link parameters */
  11039. bnx2x_link_status_update(params, vars);
  11040. /*
  11041. * The module verification was already done by previous link owner,
  11042. * so this call is meant only to get warning message
  11043. */
  11044. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11045. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11046. if (phy->phy_specific_func) {
  11047. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11048. phy->phy_specific_func(phy, params, PHY_INIT);
  11049. }
  11050. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11051. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11052. (phy->media_type == ETH_PHY_DA_TWINAX))
  11053. bnx2x_verify_sfp_module(phy, params);
  11054. }
  11055. lfa_sts = REG_RD(bp, params->lfa_base +
  11056. offsetof(struct shmem_lfa,
  11057. lfa_sts));
  11058. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11059. /* Re-enable the NIG/MAC */
  11060. if (CHIP_IS_E3(bp)) {
  11061. if (!dont_clear_stat) {
  11062. REG_WR(bp, GRCBASE_MISC +
  11063. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11064. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11065. params->port));
  11066. REG_WR(bp, GRCBASE_MISC +
  11067. MISC_REGISTERS_RESET_REG_2_SET,
  11068. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11069. params->port));
  11070. }
  11071. if (vars->line_speed < SPEED_10000)
  11072. bnx2x_umac_enable(params, vars, 0);
  11073. else
  11074. bnx2x_xmac_enable(params, vars, 0);
  11075. } else {
  11076. if (vars->line_speed < SPEED_10000)
  11077. bnx2x_emac_enable(params, vars, 0);
  11078. else
  11079. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11080. }
  11081. /* Increment LFA count */
  11082. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11083. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11084. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11085. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11086. /* Clear link flap reason */
  11087. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11088. REG_WR(bp, params->lfa_base +
  11089. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11090. /* Disable NIG DRAIN */
  11091. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11092. /* Enable interrupts */
  11093. bnx2x_link_int_enable(params);
  11094. return 0;
  11095. }
  11096. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11097. struct link_vars *vars,
  11098. int lfa_status)
  11099. {
  11100. u32 lfa_sts, cfg_idx, tmp_val;
  11101. struct bnx2x *bp = params->bp;
  11102. bnx2x_link_reset(params, vars, 1);
  11103. if (!params->lfa_base)
  11104. return;
  11105. /* Store the new link parameters */
  11106. REG_WR(bp, params->lfa_base +
  11107. offsetof(struct shmem_lfa, req_duplex),
  11108. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11109. REG_WR(bp, params->lfa_base +
  11110. offsetof(struct shmem_lfa, req_flow_ctrl),
  11111. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11112. REG_WR(bp, params->lfa_base +
  11113. offsetof(struct shmem_lfa, req_line_speed),
  11114. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11115. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11116. REG_WR(bp, params->lfa_base +
  11117. offsetof(struct shmem_lfa,
  11118. speed_cap_mask[cfg_idx]),
  11119. params->speed_cap_mask[cfg_idx]);
  11120. }
  11121. tmp_val = REG_RD(bp, params->lfa_base +
  11122. offsetof(struct shmem_lfa, additional_config));
  11123. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11124. tmp_val |= params->req_fc_auto_adv;
  11125. REG_WR(bp, params->lfa_base +
  11126. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11127. lfa_sts = REG_RD(bp, params->lfa_base +
  11128. offsetof(struct shmem_lfa, lfa_sts));
  11129. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11130. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11131. /* Set link flap reason */
  11132. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11133. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11134. LFA_LINK_FLAP_REASON_OFFSET);
  11135. /* Increment link flap counter */
  11136. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11137. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11138. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11139. << LINK_FLAP_COUNT_OFFSET));
  11140. REG_WR(bp, params->lfa_base +
  11141. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11142. /* Proceed with regular link initialization */
  11143. }
  11144. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11145. {
  11146. int lfa_status;
  11147. struct bnx2x *bp = params->bp;
  11148. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11149. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11150. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11151. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11152. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11153. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11154. vars->link_status = 0;
  11155. vars->phy_link_up = 0;
  11156. vars->link_up = 0;
  11157. vars->line_speed = 0;
  11158. vars->duplex = DUPLEX_FULL;
  11159. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11160. vars->mac_type = MAC_TYPE_NONE;
  11161. vars->phy_flags = 0;
  11162. vars->check_kr2_recovery_cnt = 0;
  11163. params->link_flags = PHY_INITIALIZED;
  11164. /* Driver opens NIG-BRB filters */
  11165. bnx2x_set_rx_filter(params, 1);
  11166. /* Check if link flap can be avoided */
  11167. lfa_status = bnx2x_check_lfa(params);
  11168. if (lfa_status == 0) {
  11169. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11170. return bnx2x_avoid_link_flap(params, vars);
  11171. }
  11172. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11173. lfa_status);
  11174. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11175. /* Disable attentions */
  11176. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11177. (NIG_MASK_XGXS0_LINK_STATUS |
  11178. NIG_MASK_XGXS0_LINK10G |
  11179. NIG_MASK_SERDES0_LINK_STATUS |
  11180. NIG_MASK_MI_INT));
  11181. bnx2x_emac_init(params, vars);
  11182. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11183. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11184. if (params->num_phys == 0) {
  11185. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11186. return -EINVAL;
  11187. }
  11188. set_phy_vars(params, vars);
  11189. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11190. switch (params->loopback_mode) {
  11191. case LOOPBACK_BMAC:
  11192. bnx2x_init_bmac_loopback(params, vars);
  11193. break;
  11194. case LOOPBACK_EMAC:
  11195. bnx2x_init_emac_loopback(params, vars);
  11196. break;
  11197. case LOOPBACK_XMAC:
  11198. bnx2x_init_xmac_loopback(params, vars);
  11199. break;
  11200. case LOOPBACK_UMAC:
  11201. bnx2x_init_umac_loopback(params, vars);
  11202. break;
  11203. case LOOPBACK_XGXS:
  11204. case LOOPBACK_EXT_PHY:
  11205. bnx2x_init_xgxs_loopback(params, vars);
  11206. break;
  11207. default:
  11208. if (!CHIP_IS_E3(bp)) {
  11209. if (params->switch_cfg == SWITCH_CFG_10G)
  11210. bnx2x_xgxs_deassert(params);
  11211. else
  11212. bnx2x_serdes_deassert(bp, params->port);
  11213. }
  11214. bnx2x_link_initialize(params, vars);
  11215. msleep(30);
  11216. bnx2x_link_int_enable(params);
  11217. break;
  11218. }
  11219. bnx2x_update_mng(params, vars->link_status);
  11220. bnx2x_update_mng_eee(params, vars->eee_status);
  11221. return 0;
  11222. }
  11223. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11224. u8 reset_ext_phy)
  11225. {
  11226. struct bnx2x *bp = params->bp;
  11227. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11228. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11229. /* Disable attentions */
  11230. vars->link_status = 0;
  11231. bnx2x_update_mng(params, vars->link_status);
  11232. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11233. SHMEM_EEE_ACTIVE_BIT);
  11234. bnx2x_update_mng_eee(params, vars->eee_status);
  11235. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11236. (NIG_MASK_XGXS0_LINK_STATUS |
  11237. NIG_MASK_XGXS0_LINK10G |
  11238. NIG_MASK_SERDES0_LINK_STATUS |
  11239. NIG_MASK_MI_INT));
  11240. /* Activate nig drain */
  11241. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11242. /* Disable nig egress interface */
  11243. if (!CHIP_IS_E3(bp)) {
  11244. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11245. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11246. }
  11247. if (!CHIP_IS_E3(bp)) {
  11248. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11249. } else {
  11250. bnx2x_set_xmac_rxtx(params, 0);
  11251. bnx2x_set_umac_rxtx(params, 0);
  11252. }
  11253. /* Disable emac */
  11254. if (!CHIP_IS_E3(bp))
  11255. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11256. usleep_range(10000, 20000);
  11257. /* The PHY reset is controlled by GPIO 1
  11258. * Hold it as vars low
  11259. */
  11260. /* Clear link led */
  11261. bnx2x_set_mdio_emac_per_phy(bp, params);
  11262. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11263. if (reset_ext_phy) {
  11264. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11265. phy_index++) {
  11266. if (params->phy[phy_index].link_reset) {
  11267. bnx2x_set_aer_mmd(params,
  11268. &params->phy[phy_index]);
  11269. params->phy[phy_index].link_reset(
  11270. &params->phy[phy_index],
  11271. params);
  11272. }
  11273. if (params->phy[phy_index].flags &
  11274. FLAGS_REARM_LATCH_SIGNAL)
  11275. clear_latch_ind = 1;
  11276. }
  11277. }
  11278. if (clear_latch_ind) {
  11279. /* Clear latching indication */
  11280. bnx2x_rearm_latch_signal(bp, port, 0);
  11281. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11282. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11283. }
  11284. if (params->phy[INT_PHY].link_reset)
  11285. params->phy[INT_PHY].link_reset(
  11286. &params->phy[INT_PHY], params);
  11287. /* Disable nig ingress interface */
  11288. if (!CHIP_IS_E3(bp)) {
  11289. /* Reset BigMac */
  11290. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11291. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11292. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11293. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11294. } else {
  11295. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11296. bnx2x_set_xumac_nig(params, 0, 0);
  11297. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11298. MISC_REGISTERS_RESET_REG_2_XMAC)
  11299. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11300. XMAC_CTRL_REG_SOFT_RESET);
  11301. }
  11302. vars->link_up = 0;
  11303. vars->phy_flags = 0;
  11304. return 0;
  11305. }
  11306. int bnx2x_lfa_reset(struct link_params *params,
  11307. struct link_vars *vars)
  11308. {
  11309. struct bnx2x *bp = params->bp;
  11310. vars->link_up = 0;
  11311. vars->phy_flags = 0;
  11312. params->link_flags &= ~PHY_INITIALIZED;
  11313. if (!params->lfa_base)
  11314. return bnx2x_link_reset(params, vars, 1);
  11315. /*
  11316. * Activate NIG drain so that during this time the device won't send
  11317. * anything while it is unable to response.
  11318. */
  11319. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11320. /*
  11321. * Close gracefully the gate from BMAC to NIG such that no half packets
  11322. * are passed.
  11323. */
  11324. if (!CHIP_IS_E3(bp))
  11325. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11326. if (CHIP_IS_E3(bp)) {
  11327. bnx2x_set_xmac_rxtx(params, 0);
  11328. bnx2x_set_umac_rxtx(params, 0);
  11329. }
  11330. /* Wait 10ms for the pipe to clean up*/
  11331. usleep_range(10000, 20000);
  11332. /* Clean the NIG-BRB using the network filters in a way that will
  11333. * not cut a packet in the middle.
  11334. */
  11335. bnx2x_set_rx_filter(params, 0);
  11336. /*
  11337. * Re-open the gate between the BMAC and the NIG, after verifying the
  11338. * gate to the BRB is closed, otherwise packets may arrive to the
  11339. * firmware before driver had initialized it. The target is to achieve
  11340. * minimum management protocol down time.
  11341. */
  11342. if (!CHIP_IS_E3(bp))
  11343. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11344. if (CHIP_IS_E3(bp)) {
  11345. bnx2x_set_xmac_rxtx(params, 1);
  11346. bnx2x_set_umac_rxtx(params, 1);
  11347. }
  11348. /* Disable NIG drain */
  11349. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11350. return 0;
  11351. }
  11352. /****************************************************************************/
  11353. /* Common function */
  11354. /****************************************************************************/
  11355. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11356. u32 shmem_base_path[],
  11357. u32 shmem2_base_path[], u8 phy_index,
  11358. u32 chip_id)
  11359. {
  11360. struct bnx2x_phy phy[PORT_MAX];
  11361. struct bnx2x_phy *phy_blk[PORT_MAX];
  11362. u16 val;
  11363. s8 port = 0;
  11364. s8 port_of_path = 0;
  11365. u32 swap_val, swap_override;
  11366. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11367. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11368. port ^= (swap_val && swap_override);
  11369. bnx2x_ext_phy_hw_reset(bp, port);
  11370. /* PART1 - Reset both phys */
  11371. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11372. u32 shmem_base, shmem2_base;
  11373. /* In E2, same phy is using for port0 of the two paths */
  11374. if (CHIP_IS_E1x(bp)) {
  11375. shmem_base = shmem_base_path[0];
  11376. shmem2_base = shmem2_base_path[0];
  11377. port_of_path = port;
  11378. } else {
  11379. shmem_base = shmem_base_path[port];
  11380. shmem2_base = shmem2_base_path[port];
  11381. port_of_path = 0;
  11382. }
  11383. /* Extract the ext phy address for the port */
  11384. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11385. port_of_path, &phy[port]) !=
  11386. 0) {
  11387. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11388. return -EINVAL;
  11389. }
  11390. /* Disable attentions */
  11391. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11392. port_of_path*4,
  11393. (NIG_MASK_XGXS0_LINK_STATUS |
  11394. NIG_MASK_XGXS0_LINK10G |
  11395. NIG_MASK_SERDES0_LINK_STATUS |
  11396. NIG_MASK_MI_INT));
  11397. /* Need to take the phy out of low power mode in order
  11398. * to write to access its registers
  11399. */
  11400. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11401. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11402. port);
  11403. /* Reset the phy */
  11404. bnx2x_cl45_write(bp, &phy[port],
  11405. MDIO_PMA_DEVAD,
  11406. MDIO_PMA_REG_CTRL,
  11407. 1<<15);
  11408. }
  11409. /* Add delay of 150ms after reset */
  11410. msleep(150);
  11411. if (phy[PORT_0].addr & 0x1) {
  11412. phy_blk[PORT_0] = &(phy[PORT_1]);
  11413. phy_blk[PORT_1] = &(phy[PORT_0]);
  11414. } else {
  11415. phy_blk[PORT_0] = &(phy[PORT_0]);
  11416. phy_blk[PORT_1] = &(phy[PORT_1]);
  11417. }
  11418. /* PART2 - Download firmware to both phys */
  11419. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11420. if (CHIP_IS_E1x(bp))
  11421. port_of_path = port;
  11422. else
  11423. port_of_path = 0;
  11424. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11425. phy_blk[port]->addr);
  11426. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11427. port_of_path))
  11428. return -EINVAL;
  11429. /* Only set bit 10 = 1 (Tx power down) */
  11430. bnx2x_cl45_read(bp, phy_blk[port],
  11431. MDIO_PMA_DEVAD,
  11432. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11433. /* Phase1 of TX_POWER_DOWN reset */
  11434. bnx2x_cl45_write(bp, phy_blk[port],
  11435. MDIO_PMA_DEVAD,
  11436. MDIO_PMA_REG_TX_POWER_DOWN,
  11437. (val | 1<<10));
  11438. }
  11439. /* Toggle Transmitter: Power down and then up with 600ms delay
  11440. * between
  11441. */
  11442. msleep(600);
  11443. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11444. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11445. /* Phase2 of POWER_DOWN_RESET */
  11446. /* Release bit 10 (Release Tx power down) */
  11447. bnx2x_cl45_read(bp, phy_blk[port],
  11448. MDIO_PMA_DEVAD,
  11449. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11450. bnx2x_cl45_write(bp, phy_blk[port],
  11451. MDIO_PMA_DEVAD,
  11452. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11453. usleep_range(15000, 30000);
  11454. /* Read modify write the SPI-ROM version select register */
  11455. bnx2x_cl45_read(bp, phy_blk[port],
  11456. MDIO_PMA_DEVAD,
  11457. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11458. bnx2x_cl45_write(bp, phy_blk[port],
  11459. MDIO_PMA_DEVAD,
  11460. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11461. /* set GPIO2 back to LOW */
  11462. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11463. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11464. }
  11465. return 0;
  11466. }
  11467. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11468. u32 shmem_base_path[],
  11469. u32 shmem2_base_path[], u8 phy_index,
  11470. u32 chip_id)
  11471. {
  11472. u32 val;
  11473. s8 port;
  11474. struct bnx2x_phy phy;
  11475. /* Use port1 because of the static port-swap */
  11476. /* Enable the module detection interrupt */
  11477. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11478. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11479. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11480. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11481. bnx2x_ext_phy_hw_reset(bp, 0);
  11482. usleep_range(5000, 10000);
  11483. for (port = 0; port < PORT_MAX; port++) {
  11484. u32 shmem_base, shmem2_base;
  11485. /* In E2, same phy is using for port0 of the two paths */
  11486. if (CHIP_IS_E1x(bp)) {
  11487. shmem_base = shmem_base_path[0];
  11488. shmem2_base = shmem2_base_path[0];
  11489. } else {
  11490. shmem_base = shmem_base_path[port];
  11491. shmem2_base = shmem2_base_path[port];
  11492. }
  11493. /* Extract the ext phy address for the port */
  11494. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11495. port, &phy) !=
  11496. 0) {
  11497. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11498. return -EINVAL;
  11499. }
  11500. /* Reset phy*/
  11501. bnx2x_cl45_write(bp, &phy,
  11502. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11503. /* Set fault module detected LED on */
  11504. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11505. MISC_REGISTERS_GPIO_HIGH,
  11506. port);
  11507. }
  11508. return 0;
  11509. }
  11510. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11511. u8 *io_gpio, u8 *io_port)
  11512. {
  11513. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11514. offsetof(struct shmem_region,
  11515. dev_info.port_hw_config[PORT_0].default_cfg));
  11516. switch (phy_gpio_reset) {
  11517. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11518. *io_gpio = 0;
  11519. *io_port = 0;
  11520. break;
  11521. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11522. *io_gpio = 1;
  11523. *io_port = 0;
  11524. break;
  11525. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11526. *io_gpio = 2;
  11527. *io_port = 0;
  11528. break;
  11529. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11530. *io_gpio = 3;
  11531. *io_port = 0;
  11532. break;
  11533. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11534. *io_gpio = 0;
  11535. *io_port = 1;
  11536. break;
  11537. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11538. *io_gpio = 1;
  11539. *io_port = 1;
  11540. break;
  11541. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11542. *io_gpio = 2;
  11543. *io_port = 1;
  11544. break;
  11545. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11546. *io_gpio = 3;
  11547. *io_port = 1;
  11548. break;
  11549. default:
  11550. /* Don't override the io_gpio and io_port */
  11551. break;
  11552. }
  11553. }
  11554. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11555. u32 shmem_base_path[],
  11556. u32 shmem2_base_path[], u8 phy_index,
  11557. u32 chip_id)
  11558. {
  11559. s8 port, reset_gpio;
  11560. u32 swap_val, swap_override;
  11561. struct bnx2x_phy phy[PORT_MAX];
  11562. struct bnx2x_phy *phy_blk[PORT_MAX];
  11563. s8 port_of_path;
  11564. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11565. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11566. reset_gpio = MISC_REGISTERS_GPIO_1;
  11567. port = 1;
  11568. /* Retrieve the reset gpio/port which control the reset.
  11569. * Default is GPIO1, PORT1
  11570. */
  11571. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11572. (u8 *)&reset_gpio, (u8 *)&port);
  11573. /* Calculate the port based on port swap */
  11574. port ^= (swap_val && swap_override);
  11575. /* Initiate PHY reset*/
  11576. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11577. port);
  11578. usleep_range(1000, 2000);
  11579. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11580. port);
  11581. usleep_range(5000, 10000);
  11582. /* PART1 - Reset both phys */
  11583. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11584. u32 shmem_base, shmem2_base;
  11585. /* In E2, same phy is using for port0 of the two paths */
  11586. if (CHIP_IS_E1x(bp)) {
  11587. shmem_base = shmem_base_path[0];
  11588. shmem2_base = shmem2_base_path[0];
  11589. port_of_path = port;
  11590. } else {
  11591. shmem_base = shmem_base_path[port];
  11592. shmem2_base = shmem2_base_path[port];
  11593. port_of_path = 0;
  11594. }
  11595. /* Extract the ext phy address for the port */
  11596. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11597. port_of_path, &phy[port]) !=
  11598. 0) {
  11599. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11600. return -EINVAL;
  11601. }
  11602. /* disable attentions */
  11603. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11604. port_of_path*4,
  11605. (NIG_MASK_XGXS0_LINK_STATUS |
  11606. NIG_MASK_XGXS0_LINK10G |
  11607. NIG_MASK_SERDES0_LINK_STATUS |
  11608. NIG_MASK_MI_INT));
  11609. /* Reset the phy */
  11610. bnx2x_cl45_write(bp, &phy[port],
  11611. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11612. }
  11613. /* Add delay of 150ms after reset */
  11614. msleep(150);
  11615. if (phy[PORT_0].addr & 0x1) {
  11616. phy_blk[PORT_0] = &(phy[PORT_1]);
  11617. phy_blk[PORT_1] = &(phy[PORT_0]);
  11618. } else {
  11619. phy_blk[PORT_0] = &(phy[PORT_0]);
  11620. phy_blk[PORT_1] = &(phy[PORT_1]);
  11621. }
  11622. /* PART2 - Download firmware to both phys */
  11623. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11624. if (CHIP_IS_E1x(bp))
  11625. port_of_path = port;
  11626. else
  11627. port_of_path = 0;
  11628. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11629. phy_blk[port]->addr);
  11630. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11631. port_of_path))
  11632. return -EINVAL;
  11633. /* Disable PHY transmitter output */
  11634. bnx2x_cl45_write(bp, phy_blk[port],
  11635. MDIO_PMA_DEVAD,
  11636. MDIO_PMA_REG_TX_DISABLE, 1);
  11637. }
  11638. return 0;
  11639. }
  11640. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11641. u32 shmem_base_path[],
  11642. u32 shmem2_base_path[],
  11643. u8 phy_index,
  11644. u32 chip_id)
  11645. {
  11646. u8 reset_gpios;
  11647. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11648. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11649. udelay(10);
  11650. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11651. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11652. reset_gpios);
  11653. return 0;
  11654. }
  11655. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11656. u32 shmem2_base_path[], u8 phy_index,
  11657. u32 ext_phy_type, u32 chip_id)
  11658. {
  11659. int rc = 0;
  11660. switch (ext_phy_type) {
  11661. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11662. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11663. shmem2_base_path,
  11664. phy_index, chip_id);
  11665. break;
  11666. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11667. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11668. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11669. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11670. shmem2_base_path,
  11671. phy_index, chip_id);
  11672. break;
  11673. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11674. /* GPIO1 affects both ports, so there's need to pull
  11675. * it for single port alone
  11676. */
  11677. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11678. shmem2_base_path,
  11679. phy_index, chip_id);
  11680. break;
  11681. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11682. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11683. /* GPIO3's are linked, and so both need to be toggled
  11684. * to obtain required 2us pulse.
  11685. */
  11686. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11687. shmem2_base_path,
  11688. phy_index, chip_id);
  11689. break;
  11690. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11691. rc = -EINVAL;
  11692. break;
  11693. default:
  11694. DP(NETIF_MSG_LINK,
  11695. "ext_phy 0x%x common init not required\n",
  11696. ext_phy_type);
  11697. break;
  11698. }
  11699. if (rc)
  11700. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11701. " Port %d\n",
  11702. 0);
  11703. return rc;
  11704. }
  11705. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11706. u32 shmem2_base_path[], u32 chip_id)
  11707. {
  11708. int rc = 0;
  11709. u32 phy_ver, val;
  11710. u8 phy_index = 0;
  11711. u32 ext_phy_type, ext_phy_config;
  11712. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11713. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11714. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11715. if (CHIP_IS_E3(bp)) {
  11716. /* Enable EPIO */
  11717. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11718. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11719. }
  11720. /* Check if common init was already done */
  11721. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11722. offsetof(struct shmem_region,
  11723. port_mb[PORT_0].ext_phy_fw_version));
  11724. if (phy_ver) {
  11725. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11726. phy_ver);
  11727. return 0;
  11728. }
  11729. /* Read the ext_phy_type for arbitrary port(0) */
  11730. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11731. phy_index++) {
  11732. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11733. shmem_base_path[0],
  11734. phy_index, 0);
  11735. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11736. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11737. shmem2_base_path,
  11738. phy_index, ext_phy_type,
  11739. chip_id);
  11740. }
  11741. return rc;
  11742. }
  11743. static void bnx2x_check_over_curr(struct link_params *params,
  11744. struct link_vars *vars)
  11745. {
  11746. struct bnx2x *bp = params->bp;
  11747. u32 cfg_pin;
  11748. u8 port = params->port;
  11749. u32 pin_val;
  11750. cfg_pin = (REG_RD(bp, params->shmem_base +
  11751. offsetof(struct shmem_region,
  11752. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11753. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11754. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11755. /* Ignore check if no external input PIN available */
  11756. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11757. return;
  11758. if (!pin_val) {
  11759. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11760. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11761. " been detected and the power to "
  11762. "that SFP+ module has been removed"
  11763. " to prevent failure of the card."
  11764. " Please remove the SFP+ module and"
  11765. " restart the system to clear this"
  11766. " error.\n",
  11767. params->port);
  11768. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11769. bnx2x_warpcore_power_module(params, 0);
  11770. }
  11771. } else
  11772. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11773. }
  11774. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11775. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11776. struct link_vars *vars, u32 status,
  11777. u32 phy_flag, u32 link_flag, u8 notify)
  11778. {
  11779. struct bnx2x *bp = params->bp;
  11780. /* Compare new value with previous value */
  11781. u8 led_mode;
  11782. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11783. if ((status ^ old_status) == 0)
  11784. return 0;
  11785. /* If values differ */
  11786. switch (phy_flag) {
  11787. case PHY_HALF_OPEN_CONN_FLAG:
  11788. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11789. break;
  11790. case PHY_SFP_TX_FAULT_FLAG:
  11791. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11792. break;
  11793. default:
  11794. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11795. }
  11796. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11797. old_status, status);
  11798. /* a. Update shmem->link_status accordingly
  11799. * b. Update link_vars->link_up
  11800. */
  11801. if (status) {
  11802. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11803. vars->link_status |= link_flag;
  11804. vars->link_up = 0;
  11805. vars->phy_flags |= phy_flag;
  11806. /* activate nig drain */
  11807. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11808. /* Set LED mode to off since the PHY doesn't know about these
  11809. * errors
  11810. */
  11811. led_mode = LED_MODE_OFF;
  11812. } else {
  11813. vars->link_status |= LINK_STATUS_LINK_UP;
  11814. vars->link_status &= ~link_flag;
  11815. vars->link_up = 1;
  11816. vars->phy_flags &= ~phy_flag;
  11817. led_mode = LED_MODE_OPER;
  11818. /* Clear nig drain */
  11819. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11820. }
  11821. bnx2x_sync_link(params, vars);
  11822. /* Update the LED according to the link state */
  11823. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11824. /* Update link status in the shared memory */
  11825. bnx2x_update_mng(params, vars->link_status);
  11826. /* C. Trigger General Attention */
  11827. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11828. if (notify)
  11829. bnx2x_notify_link_changed(bp);
  11830. return 1;
  11831. }
  11832. /******************************************************************************
  11833. * Description:
  11834. * This function checks for half opened connection change indication.
  11835. * When such change occurs, it calls the bnx2x_analyze_link_error
  11836. * to check if Remote Fault is set or cleared. Reception of remote fault
  11837. * status message in the MAC indicates that the peer's MAC has detected
  11838. * a fault, for example, due to break in the TX side of fiber.
  11839. *
  11840. ******************************************************************************/
  11841. int bnx2x_check_half_open_conn(struct link_params *params,
  11842. struct link_vars *vars,
  11843. u8 notify)
  11844. {
  11845. struct bnx2x *bp = params->bp;
  11846. u32 lss_status = 0;
  11847. u32 mac_base;
  11848. /* In case link status is physically up @ 10G do */
  11849. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11850. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11851. return 0;
  11852. if (CHIP_IS_E3(bp) &&
  11853. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11854. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11855. /* Check E3 XMAC */
  11856. /* Note that link speed cannot be queried here, since it may be
  11857. * zero while link is down. In case UMAC is active, LSS will
  11858. * simply not be set
  11859. */
  11860. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11861. /* Clear stick bits (Requires rising edge) */
  11862. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11863. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11864. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11865. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11866. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11867. lss_status = 1;
  11868. bnx2x_analyze_link_error(params, vars, lss_status,
  11869. PHY_HALF_OPEN_CONN_FLAG,
  11870. LINK_STATUS_NONE, notify);
  11871. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11872. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11873. /* Check E1X / E2 BMAC */
  11874. u32 lss_status_reg;
  11875. u32 wb_data[2];
  11876. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11877. NIG_REG_INGRESS_BMAC0_MEM;
  11878. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11879. if (CHIP_IS_E2(bp))
  11880. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11881. else
  11882. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11883. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11884. lss_status = (wb_data[0] > 0);
  11885. bnx2x_analyze_link_error(params, vars, lss_status,
  11886. PHY_HALF_OPEN_CONN_FLAG,
  11887. LINK_STATUS_NONE, notify);
  11888. }
  11889. return 0;
  11890. }
  11891. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11892. struct link_params *params,
  11893. struct link_vars *vars)
  11894. {
  11895. struct bnx2x *bp = params->bp;
  11896. u32 cfg_pin, value = 0;
  11897. u8 led_change, port = params->port;
  11898. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11899. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11900. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11901. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11902. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11903. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11904. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11905. return;
  11906. }
  11907. led_change = bnx2x_analyze_link_error(params, vars, value,
  11908. PHY_SFP_TX_FAULT_FLAG,
  11909. LINK_STATUS_SFP_TX_FAULT, 1);
  11910. if (led_change) {
  11911. /* Change TX_Fault led, set link status for further syncs */
  11912. u8 led_mode;
  11913. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11914. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11915. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11916. } else {
  11917. led_mode = MISC_REGISTERS_GPIO_LOW;
  11918. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11919. }
  11920. /* If module is unapproved, led should be on regardless */
  11921. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11922. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11923. led_mode);
  11924. bnx2x_set_e3_module_fault_led(params, led_mode);
  11925. }
  11926. }
  11927. }
  11928. static void bnx2x_disable_kr2(struct link_params *params,
  11929. struct link_vars *vars,
  11930. struct bnx2x_phy *phy)
  11931. {
  11932. struct bnx2x *bp = params->bp;
  11933. int i;
  11934. static struct bnx2x_reg_set reg_set[] = {
  11935. /* Step 1 - Program the TX/RX alignment markers */
  11936. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11937. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11938. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11939. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11940. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11941. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11942. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11943. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11944. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11945. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11946. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11947. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11948. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11949. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11950. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11951. };
  11952. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11953. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  11954. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11955. reg_set[i].val);
  11956. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11957. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11958. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  11959. /* Restart AN on leading lane */
  11960. bnx2x_warpcore_restart_AN_KR(phy, params);
  11961. }
  11962. static void bnx2x_kr2_recovery(struct link_params *params,
  11963. struct link_vars *vars,
  11964. struct bnx2x_phy *phy)
  11965. {
  11966. struct bnx2x *bp = params->bp;
  11967. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11968. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11969. bnx2x_warpcore_restart_AN_KR(phy, params);
  11970. }
  11971. static void bnx2x_check_kr2_wa(struct link_params *params,
  11972. struct link_vars *vars,
  11973. struct bnx2x_phy *phy)
  11974. {
  11975. struct bnx2x *bp = params->bp;
  11976. u16 base_page, next_page, not_kr2_device, lane;
  11977. int sigdet;
  11978. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11979. * Since some switches tend to reinit the AN process and clear the
  11980. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11981. * and recovered many times
  11982. */
  11983. if (vars->check_kr2_recovery_cnt > 0) {
  11984. vars->check_kr2_recovery_cnt--;
  11985. return;
  11986. }
  11987. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11988. if (!sigdet) {
  11989. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11990. bnx2x_kr2_recovery(params, vars, phy);
  11991. DP(NETIF_MSG_LINK, "No sigdet\n");
  11992. }
  11993. return;
  11994. }
  11995. lane = bnx2x_get_warpcore_lane(phy, params);
  11996. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11997. MDIO_AER_BLOCK_AER_REG, lane);
  11998. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11999. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12000. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12001. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12002. bnx2x_set_aer_mmd(params, phy);
  12003. /* CL73 has not begun yet */
  12004. if (base_page == 0) {
  12005. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12006. bnx2x_kr2_recovery(params, vars, phy);
  12007. DP(NETIF_MSG_LINK, "No BP\n");
  12008. }
  12009. return;
  12010. }
  12011. /* In case NP bit is not set in the BasePage, or it is set,
  12012. * but only KX is advertised, declare this link partner as non-KR2
  12013. * device.
  12014. */
  12015. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12016. (((base_page & 0x8000) &&
  12017. ((next_page & 0xe0) == 0x2))));
  12018. /* In case KR2 is already disabled, check if we need to re-enable it */
  12019. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12020. if (!not_kr2_device) {
  12021. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12022. next_page);
  12023. bnx2x_kr2_recovery(params, vars, phy);
  12024. }
  12025. return;
  12026. }
  12027. /* KR2 is enabled, but not KR2 device */
  12028. if (not_kr2_device) {
  12029. /* Disable KR2 on both lanes */
  12030. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12031. bnx2x_disable_kr2(params, vars, phy);
  12032. return;
  12033. }
  12034. }
  12035. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12036. {
  12037. u16 phy_idx;
  12038. struct bnx2x *bp = params->bp;
  12039. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12040. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12041. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12042. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12043. 0)
  12044. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12045. break;
  12046. }
  12047. }
  12048. if (CHIP_IS_E3(bp)) {
  12049. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12050. bnx2x_set_aer_mmd(params, phy);
  12051. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12052. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12053. bnx2x_check_kr2_wa(params, vars, phy);
  12054. bnx2x_check_over_curr(params, vars);
  12055. if (vars->rx_tx_asic_rst)
  12056. bnx2x_warpcore_config_runtime(phy, params, vars);
  12057. if ((REG_RD(bp, params->shmem_base +
  12058. offsetof(struct shmem_region, dev_info.
  12059. port_hw_config[params->port].default_cfg))
  12060. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12061. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12062. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12063. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12064. } else if (vars->link_status &
  12065. LINK_STATUS_SFP_TX_FAULT) {
  12066. /* Clean trail, interrupt corrects the leds */
  12067. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12068. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12069. /* Update link status in the shared memory */
  12070. bnx2x_update_mng(params, vars->link_status);
  12071. }
  12072. }
  12073. }
  12074. }
  12075. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12076. u32 shmem_base,
  12077. u32 shmem2_base,
  12078. u8 port)
  12079. {
  12080. u8 phy_index, fan_failure_det_req = 0;
  12081. struct bnx2x_phy phy;
  12082. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12083. phy_index++) {
  12084. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12085. port, &phy)
  12086. != 0) {
  12087. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12088. return 0;
  12089. }
  12090. fan_failure_det_req |= (phy.flags &
  12091. FLAGS_FAN_FAILURE_DET_REQ);
  12092. }
  12093. return fan_failure_det_req;
  12094. }
  12095. void bnx2x_hw_reset_phy(struct link_params *params)
  12096. {
  12097. u8 phy_index;
  12098. struct bnx2x *bp = params->bp;
  12099. bnx2x_update_mng(params, 0);
  12100. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12101. (NIG_MASK_XGXS0_LINK_STATUS |
  12102. NIG_MASK_XGXS0_LINK10G |
  12103. NIG_MASK_SERDES0_LINK_STATUS |
  12104. NIG_MASK_MI_INT));
  12105. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12106. phy_index++) {
  12107. if (params->phy[phy_index].hw_reset) {
  12108. params->phy[phy_index].hw_reset(
  12109. &params->phy[phy_index],
  12110. params);
  12111. params->phy[phy_index] = phy_null;
  12112. }
  12113. }
  12114. }
  12115. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12116. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12117. u8 port)
  12118. {
  12119. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12120. u32 val;
  12121. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12122. if (CHIP_IS_E3(bp)) {
  12123. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12124. shmem_base,
  12125. port,
  12126. &gpio_num,
  12127. &gpio_port) != 0)
  12128. return;
  12129. } else {
  12130. struct bnx2x_phy phy;
  12131. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12132. phy_index++) {
  12133. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12134. shmem2_base, port, &phy)
  12135. != 0) {
  12136. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12137. return;
  12138. }
  12139. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12140. gpio_num = MISC_REGISTERS_GPIO_3;
  12141. gpio_port = port;
  12142. break;
  12143. }
  12144. }
  12145. }
  12146. if (gpio_num == 0xff)
  12147. return;
  12148. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12149. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12150. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12151. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12152. gpio_port ^= (swap_val && swap_override);
  12153. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12154. (gpio_num + (gpio_port << 2));
  12155. sync_offset = shmem_base +
  12156. offsetof(struct shmem_region,
  12157. dev_info.port_hw_config[port].aeu_int_mask);
  12158. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12159. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12160. gpio_num, gpio_port, vars->aeu_int_mask);
  12161. if (port == 0)
  12162. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12163. else
  12164. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12165. /* Open appropriate AEU for interrupts */
  12166. aeu_mask = REG_RD(bp, offset);
  12167. aeu_mask |= vars->aeu_int_mask;
  12168. REG_WR(bp, offset, aeu_mask);
  12169. /* Enable the GPIO to trigger interrupt */
  12170. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12171. val |= 1 << (gpio_num + (gpio_port << 2));
  12172. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12173. }