bnx2x_link.c 399 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
  27. struct link_params *params,
  28. u8 dev_addr, u16 addr, u8 byte_cnt,
  29. u8 *o_buf, u8);
  30. /********************************************************/
  31. #define ETH_HLEN 14
  32. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  33. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  34. #define ETH_MIN_PACKET_SIZE 60
  35. #define ETH_MAX_PACKET_SIZE 1500
  36. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  37. #define MDIO_ACCESS_TIMEOUT 1000
  38. #define WC_LANE_MAX 4
  39. #define I2C_SWITCH_WIDTH 2
  40. #define I2C_BSC0 0
  41. #define I2C_BSC1 1
  42. #define I2C_WA_RETRY_CNT 3
  43. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  44. #define MCPR_IMC_COMMAND_READ_OP 1
  45. #define MCPR_IMC_COMMAND_WRITE_OP 2
  46. /* LED Blink rate that will achieve ~15.9Hz */
  47. #define LED_BLINK_RATE_VAL_E3 354
  48. #define LED_BLINK_RATE_VAL_E1X_E2 480
  49. /***********************************************************/
  50. /* Shortcut definitions */
  51. /***********************************************************/
  52. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  53. #define NIG_STATUS_EMAC0_MI_INT \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  55. #define NIG_STATUS_XGXS0_LINK10G \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  57. #define NIG_STATUS_XGXS0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  59. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  60. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  61. #define NIG_STATUS_SERDES0_LINK_STATUS \
  62. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  63. #define NIG_MASK_MI_INT \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  65. #define NIG_MASK_XGXS0_LINK10G \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  67. #define NIG_MASK_XGXS0_LINK_STATUS \
  68. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  69. #define NIG_MASK_SERDES0_LINK_STATUS \
  70. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  71. #define MDIO_AN_CL73_OR_37_COMPLETE \
  72. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  73. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  74. #define XGXS_RESET_BITS \
  75. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  76. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  80. #define SERDES_RESET_BITS \
  81. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  82. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  83. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  84. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  85. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  86. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  87. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  88. #define AUTONEG_PARALLEL \
  89. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  90. #define AUTONEG_SGMII_FIBER_AUTODET \
  91. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  92. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  93. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  95. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  96. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  97. #define GP_STATUS_SPEED_MASK \
  98. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  99. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  100. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  101. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  102. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  103. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  104. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  105. #define GP_STATUS_10G_HIG \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  107. #define GP_STATUS_10G_CX4 \
  108. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  109. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  110. #define GP_STATUS_10G_KX4 \
  111. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  112. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  113. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  114. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  115. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  116. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  117. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  118. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  119. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  120. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  121. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  122. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  123. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  124. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  125. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  126. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  127. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  128. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  129. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  130. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  131. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  132. #define LINK_UPDATE_MASK \
  133. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  134. LINK_STATUS_LINK_UP | \
  135. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  136. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  137. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  138. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  139. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  140. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  141. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  142. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  143. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  144. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  145. #define SFP_EEPROM_CON_TYPE_VAL_RJ45 0x22
  146. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  147. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  148. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  149. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  150. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  151. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  152. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  153. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  154. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  155. #define SFP_EEPROM_OPTIONS_SIZE 2
  156. #define EDC_MODE_LINEAR 0x0022
  157. #define EDC_MODE_LIMITING 0x0044
  158. #define EDC_MODE_PASSIVE_DAC 0x0055
  159. /* ETS defines*/
  160. #define DCBX_INVALID_COS (0xFF)
  161. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  162. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  163. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  164. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  165. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  166. #define MAX_PACKET_SIZE (9700)
  167. #define MAX_KR_LINK_RETRY 4
  168. /**********************************************************/
  169. /* INTERFACE */
  170. /**********************************************************/
  171. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  172. bnx2x_cl45_write(_bp, _phy, \
  173. (_phy)->def_md_devad, \
  174. (_bank + (_addr & 0xf)), \
  175. _val)
  176. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  177. bnx2x_cl45_read(_bp, _phy, \
  178. (_phy)->def_md_devad, \
  179. (_bank + (_addr & 0xf)), \
  180. _val)
  181. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  182. {
  183. u32 val = REG_RD(bp, reg);
  184. val |= bits;
  185. REG_WR(bp, reg, val);
  186. return val;
  187. }
  188. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  189. {
  190. u32 val = REG_RD(bp, reg);
  191. val &= ~bits;
  192. REG_WR(bp, reg, val);
  193. return val;
  194. }
  195. /*
  196. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  197. * or link flap can be avoided.
  198. *
  199. * @params: link parameters
  200. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  201. * condition code.
  202. */
  203. static int bnx2x_check_lfa(struct link_params *params)
  204. {
  205. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  206. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  207. u32 saved_val, req_val, eee_status;
  208. struct bnx2x *bp = params->bp;
  209. additional_config =
  210. REG_RD(bp, params->lfa_base +
  211. offsetof(struct shmem_lfa, additional_config));
  212. /* NOTE: must be first condition checked -
  213. * to verify DCC bit is cleared in any case!
  214. */
  215. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  216. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  217. REG_WR(bp, params->lfa_base +
  218. offsetof(struct shmem_lfa, additional_config),
  219. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  220. return LFA_DCC_LFA_DISABLED;
  221. }
  222. /* Verify that link is up */
  223. link_status = REG_RD(bp, params->shmem_base +
  224. offsetof(struct shmem_region,
  225. port_mb[params->port].link_status));
  226. if (!(link_status & LINK_STATUS_LINK_UP))
  227. return LFA_LINK_DOWN;
  228. /* if loaded after BOOT from SAN, don't flap the link in any case and
  229. * rely on link set by preboot driver
  230. */
  231. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  232. return 0;
  233. /* Verify that loopback mode is not set */
  234. if (params->loopback_mode)
  235. return LFA_LOOPBACK_ENABLED;
  236. /* Verify that MFW supports LFA */
  237. if (!params->lfa_base)
  238. return LFA_MFW_IS_TOO_OLD;
  239. if (params->num_phys == 3) {
  240. cfg_size = 2;
  241. lfa_mask = 0xffffffff;
  242. } else {
  243. cfg_size = 1;
  244. lfa_mask = 0xffff;
  245. }
  246. /* Compare Duplex */
  247. saved_val = REG_RD(bp, params->lfa_base +
  248. offsetof(struct shmem_lfa, req_duplex));
  249. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  250. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  251. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  252. (saved_val & lfa_mask), (req_val & lfa_mask));
  253. return LFA_DUPLEX_MISMATCH;
  254. }
  255. /* Compare Flow Control */
  256. saved_val = REG_RD(bp, params->lfa_base +
  257. offsetof(struct shmem_lfa, req_flow_ctrl));
  258. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  259. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  260. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  261. (saved_val & lfa_mask), (req_val & lfa_mask));
  262. return LFA_FLOW_CTRL_MISMATCH;
  263. }
  264. /* Compare Link Speed */
  265. saved_val = REG_RD(bp, params->lfa_base +
  266. offsetof(struct shmem_lfa, req_line_speed));
  267. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  268. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  269. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  270. (saved_val & lfa_mask), (req_val & lfa_mask));
  271. return LFA_LINK_SPEED_MISMATCH;
  272. }
  273. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  274. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  275. offsetof(struct shmem_lfa,
  276. speed_cap_mask[cfg_idx]));
  277. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  278. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  279. cur_speed_cap_mask,
  280. params->speed_cap_mask[cfg_idx]);
  281. return LFA_SPEED_CAP_MISMATCH;
  282. }
  283. }
  284. cur_req_fc_auto_adv =
  285. REG_RD(bp, params->lfa_base +
  286. offsetof(struct shmem_lfa, additional_config)) &
  287. REQ_FC_AUTO_ADV_MASK;
  288. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  289. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  290. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  291. return LFA_FLOW_CTRL_MISMATCH;
  292. }
  293. eee_status = REG_RD(bp, params->shmem2_base +
  294. offsetof(struct shmem2_region,
  295. eee_status[params->port]));
  296. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  297. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  298. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  299. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  300. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  301. eee_status);
  302. return LFA_EEE_MISMATCH;
  303. }
  304. /* LFA conditions are met */
  305. return 0;
  306. }
  307. /******************************************************************/
  308. /* EPIO/GPIO section */
  309. /******************************************************************/
  310. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  311. {
  312. u32 epio_mask, gp_oenable;
  313. *en = 0;
  314. /* Sanity check */
  315. if (epio_pin > 31) {
  316. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  317. return;
  318. }
  319. epio_mask = 1 << epio_pin;
  320. /* Set this EPIO to output */
  321. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  322. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  323. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  324. }
  325. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  326. {
  327. u32 epio_mask, gp_output, gp_oenable;
  328. /* Sanity check */
  329. if (epio_pin > 31) {
  330. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  331. return;
  332. }
  333. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  334. epio_mask = 1 << epio_pin;
  335. /* Set this EPIO to output */
  336. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  337. if (en)
  338. gp_output |= epio_mask;
  339. else
  340. gp_output &= ~epio_mask;
  341. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  342. /* Set the value for this EPIO */
  343. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  344. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  345. }
  346. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  347. {
  348. if (pin_cfg == PIN_CFG_NA)
  349. return;
  350. if (pin_cfg >= PIN_CFG_EPIO0) {
  351. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  352. } else {
  353. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  354. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  355. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  356. }
  357. }
  358. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  359. {
  360. if (pin_cfg == PIN_CFG_NA)
  361. return -EINVAL;
  362. if (pin_cfg >= PIN_CFG_EPIO0) {
  363. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  364. } else {
  365. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  366. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  367. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  368. }
  369. return 0;
  370. }
  371. /******************************************************************/
  372. /* ETS section */
  373. /******************************************************************/
  374. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  375. {
  376. /* ETS disabled configuration*/
  377. struct bnx2x *bp = params->bp;
  378. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  379. /* mapping between entry priority to client number (0,1,2 -debug and
  380. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  381. * 3bits client num.
  382. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  383. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  384. */
  385. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  386. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  387. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  388. * COS0 entry, 4 - COS1 entry.
  389. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  390. * bit4 bit3 bit2 bit1 bit0
  391. * MCP and debug are strict
  392. */
  393. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  394. /* defines which entries (clients) are subjected to WFQ arbitration */
  395. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  396. /* For strict priority entries defines the number of consecutive
  397. * slots for the highest priority.
  398. */
  399. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  400. /* mapping between the CREDIT_WEIGHT registers and actual client
  401. * numbers
  402. */
  403. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  404. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  405. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  406. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  407. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  408. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  409. /* ETS mode disable */
  410. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  411. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  412. * weight for COS0/COS1.
  413. */
  414. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  415. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  416. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  417. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  418. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  419. /* Defines the number of consecutive slots for the strict priority */
  420. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  421. }
  422. /******************************************************************************
  423. * Description:
  424. * Getting min_w_val will be set according to line speed .
  425. *.
  426. ******************************************************************************/
  427. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  428. {
  429. u32 min_w_val = 0;
  430. /* Calculate min_w_val.*/
  431. if (vars->link_up) {
  432. if (vars->line_speed == SPEED_20000)
  433. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  434. else
  435. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  436. } else
  437. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  438. /* If the link isn't up (static configuration for example ) The
  439. * link will be according to 20GBPS.
  440. */
  441. return min_w_val;
  442. }
  443. /******************************************************************************
  444. * Description:
  445. * Getting credit upper bound form min_w_val.
  446. *.
  447. ******************************************************************************/
  448. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  449. {
  450. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  451. MAX_PACKET_SIZE);
  452. return credit_upper_bound;
  453. }
  454. /******************************************************************************
  455. * Description:
  456. * Set credit upper bound for NIG.
  457. *.
  458. ******************************************************************************/
  459. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  460. const struct link_params *params,
  461. const u32 min_w_val)
  462. {
  463. struct bnx2x *bp = params->bp;
  464. const u8 port = params->port;
  465. const u32 credit_upper_bound =
  466. bnx2x_ets_get_credit_upper_bound(min_w_val);
  467. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  468. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  469. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  470. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  471. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  472. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  473. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  474. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  475. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  476. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  477. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  478. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  479. if (!port) {
  480. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  481. credit_upper_bound);
  482. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  483. credit_upper_bound);
  484. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  485. credit_upper_bound);
  486. }
  487. }
  488. /******************************************************************************
  489. * Description:
  490. * Will return the NIG ETS registers to init values.Except
  491. * credit_upper_bound.
  492. * That isn't used in this configuration (No WFQ is enabled) and will be
  493. * configured acording to spec
  494. *.
  495. ******************************************************************************/
  496. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  497. const struct link_vars *vars)
  498. {
  499. struct bnx2x *bp = params->bp;
  500. const u8 port = params->port;
  501. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  502. /* Mapping between entry priority to client number (0,1,2 -debug and
  503. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  504. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  505. * reset value or init tool
  506. */
  507. if (port) {
  508. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  509. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  510. } else {
  511. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  512. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  513. }
  514. /* For strict priority entries defines the number of consecutive
  515. * slots for the highest priority.
  516. */
  517. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  518. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  519. /* Mapping between the CREDIT_WEIGHT registers and actual client
  520. * numbers
  521. */
  522. if (port) {
  523. /*Port 1 has 6 COS*/
  524. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  525. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  526. } else {
  527. /*Port 0 has 9 COS*/
  528. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  529. 0x43210876);
  530. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  531. }
  532. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  533. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  534. * COS0 entry, 4 - COS1 entry.
  535. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  536. * bit4 bit3 bit2 bit1 bit0
  537. * MCP and debug are strict
  538. */
  539. if (port)
  540. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  541. else
  542. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  543. /* defines which entries (clients) are subjected to WFQ arbitration */
  544. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  545. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  546. /* Please notice the register address are note continuous and a
  547. * for here is note appropriate.In 2 port mode port0 only COS0-5
  548. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  549. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  550. * are never used for WFQ
  551. */
  552. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  553. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  554. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  555. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  556. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  557. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  558. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  559. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  560. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  561. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  562. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  563. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  564. if (!port) {
  565. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  566. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  567. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  568. }
  569. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  570. }
  571. /******************************************************************************
  572. * Description:
  573. * Set credit upper bound for PBF.
  574. *.
  575. ******************************************************************************/
  576. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  577. const struct link_params *params,
  578. const u32 min_w_val)
  579. {
  580. struct bnx2x *bp = params->bp;
  581. const u32 credit_upper_bound =
  582. bnx2x_ets_get_credit_upper_bound(min_w_val);
  583. const u8 port = params->port;
  584. u32 base_upper_bound = 0;
  585. u8 max_cos = 0;
  586. u8 i = 0;
  587. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  588. * port mode port1 has COS0-2 that can be used for WFQ.
  589. */
  590. if (!port) {
  591. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  592. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  593. } else {
  594. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  595. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  596. }
  597. for (i = 0; i < max_cos; i++)
  598. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  599. }
  600. /******************************************************************************
  601. * Description:
  602. * Will return the PBF ETS registers to init values.Except
  603. * credit_upper_bound.
  604. * That isn't used in this configuration (No WFQ is enabled) and will be
  605. * configured acording to spec
  606. *.
  607. ******************************************************************************/
  608. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  609. {
  610. struct bnx2x *bp = params->bp;
  611. const u8 port = params->port;
  612. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  613. u8 i = 0;
  614. u32 base_weight = 0;
  615. u8 max_cos = 0;
  616. /* Mapping between entry priority to client number 0 - COS0
  617. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  618. * TODO_ETS - Should be done by reset value or init tool
  619. */
  620. if (port)
  621. /* 0x688 (|011|0 10|00 1|000) */
  622. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  623. else
  624. /* (10 1|100 |011|0 10|00 1|000) */
  625. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  626. /* TODO_ETS - Should be done by reset value or init tool */
  627. if (port)
  628. /* 0x688 (|011|0 10|00 1|000)*/
  629. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  630. else
  631. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  632. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  633. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  634. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  635. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  636. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  637. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  638. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  639. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  640. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  641. */
  642. if (!port) {
  643. base_weight = PBF_REG_COS0_WEIGHT_P0;
  644. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  645. } else {
  646. base_weight = PBF_REG_COS0_WEIGHT_P1;
  647. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  648. }
  649. for (i = 0; i < max_cos; i++)
  650. REG_WR(bp, base_weight + (0x4 * i), 0);
  651. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  652. }
  653. /******************************************************************************
  654. * Description:
  655. * E3B0 disable will return basicly the values to init values.
  656. *.
  657. ******************************************************************************/
  658. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  659. const struct link_vars *vars)
  660. {
  661. struct bnx2x *bp = params->bp;
  662. if (!CHIP_IS_E3B0(bp)) {
  663. DP(NETIF_MSG_LINK,
  664. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  665. return -EINVAL;
  666. }
  667. bnx2x_ets_e3b0_nig_disabled(params, vars);
  668. bnx2x_ets_e3b0_pbf_disabled(params);
  669. return 0;
  670. }
  671. /******************************************************************************
  672. * Description:
  673. * Disable will return basicly the values to init values.
  674. *
  675. ******************************************************************************/
  676. int bnx2x_ets_disabled(struct link_params *params,
  677. struct link_vars *vars)
  678. {
  679. struct bnx2x *bp = params->bp;
  680. int bnx2x_status = 0;
  681. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  682. bnx2x_ets_e2e3a0_disabled(params);
  683. else if (CHIP_IS_E3B0(bp))
  684. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  685. else {
  686. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  687. return -EINVAL;
  688. }
  689. return bnx2x_status;
  690. }
  691. /******************************************************************************
  692. * Description
  693. * Set the COS mappimg to SP and BW until this point all the COS are not
  694. * set as SP or BW.
  695. ******************************************************************************/
  696. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  697. const struct bnx2x_ets_params *ets_params,
  698. const u8 cos_sp_bitmap,
  699. const u8 cos_bw_bitmap)
  700. {
  701. struct bnx2x *bp = params->bp;
  702. const u8 port = params->port;
  703. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  704. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  705. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  706. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  707. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  708. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  709. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  710. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  711. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  712. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  713. nig_cli_subject2wfq_bitmap);
  714. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  715. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  716. pbf_cli_subject2wfq_bitmap);
  717. return 0;
  718. }
  719. /******************************************************************************
  720. * Description:
  721. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  722. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  723. ******************************************************************************/
  724. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  725. const u8 cos_entry,
  726. const u32 min_w_val_nig,
  727. const u32 min_w_val_pbf,
  728. const u16 total_bw,
  729. const u8 bw,
  730. const u8 port)
  731. {
  732. u32 nig_reg_adress_crd_weight = 0;
  733. u32 pbf_reg_adress_crd_weight = 0;
  734. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  735. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  736. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  737. switch (cos_entry) {
  738. case 0:
  739. nig_reg_adress_crd_weight =
  740. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  741. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  742. pbf_reg_adress_crd_weight = (port) ?
  743. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  744. break;
  745. case 1:
  746. nig_reg_adress_crd_weight = (port) ?
  747. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  748. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  749. pbf_reg_adress_crd_weight = (port) ?
  750. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  751. break;
  752. case 2:
  753. nig_reg_adress_crd_weight = (port) ?
  754. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  755. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  756. pbf_reg_adress_crd_weight = (port) ?
  757. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  758. break;
  759. case 3:
  760. if (port)
  761. return -EINVAL;
  762. nig_reg_adress_crd_weight =
  763. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  764. pbf_reg_adress_crd_weight =
  765. PBF_REG_COS3_WEIGHT_P0;
  766. break;
  767. case 4:
  768. if (port)
  769. return -EINVAL;
  770. nig_reg_adress_crd_weight =
  771. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  772. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  773. break;
  774. case 5:
  775. if (port)
  776. return -EINVAL;
  777. nig_reg_adress_crd_weight =
  778. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  779. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  780. break;
  781. }
  782. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  783. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  784. return 0;
  785. }
  786. /******************************************************************************
  787. * Description:
  788. * Calculate the total BW.A value of 0 isn't legal.
  789. *
  790. ******************************************************************************/
  791. static int bnx2x_ets_e3b0_get_total_bw(
  792. const struct link_params *params,
  793. struct bnx2x_ets_params *ets_params,
  794. u16 *total_bw)
  795. {
  796. struct bnx2x *bp = params->bp;
  797. u8 cos_idx = 0;
  798. u8 is_bw_cos_exist = 0;
  799. *total_bw = 0 ;
  800. /* Calculate total BW requested */
  801. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  802. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  803. is_bw_cos_exist = 1;
  804. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  805. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  806. "was set to 0\n");
  807. /* This is to prevent a state when ramrods
  808. * can't be sent
  809. */
  810. ets_params->cos[cos_idx].params.bw_params.bw
  811. = 1;
  812. }
  813. *total_bw +=
  814. ets_params->cos[cos_idx].params.bw_params.bw;
  815. }
  816. }
  817. /* Check total BW is valid */
  818. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  819. if (*total_bw == 0) {
  820. DP(NETIF_MSG_LINK,
  821. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  822. return -EINVAL;
  823. }
  824. DP(NETIF_MSG_LINK,
  825. "bnx2x_ets_E3B0_config total BW should be 100\n");
  826. /* We can handle a case whre the BW isn't 100 this can happen
  827. * if the TC are joined.
  828. */
  829. }
  830. return 0;
  831. }
  832. /******************************************************************************
  833. * Description:
  834. * Invalidate all the sp_pri_to_cos.
  835. *
  836. ******************************************************************************/
  837. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  838. {
  839. u8 pri = 0;
  840. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  841. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  842. }
  843. /******************************************************************************
  844. * Description:
  845. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  846. * according to sp_pri_to_cos.
  847. *
  848. ******************************************************************************/
  849. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  850. u8 *sp_pri_to_cos, const u8 pri,
  851. const u8 cos_entry)
  852. {
  853. struct bnx2x *bp = params->bp;
  854. const u8 port = params->port;
  855. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  856. DCBX_E3B0_MAX_NUM_COS_PORT0;
  857. if (pri >= max_num_of_cos) {
  858. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  859. "parameter Illegal strict priority\n");
  860. return -EINVAL;
  861. }
  862. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  863. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  864. "parameter There can't be two COS's with "
  865. "the same strict pri\n");
  866. return -EINVAL;
  867. }
  868. sp_pri_to_cos[pri] = cos_entry;
  869. return 0;
  870. }
  871. /******************************************************************************
  872. * Description:
  873. * Returns the correct value according to COS and priority in
  874. * the sp_pri_cli register.
  875. *
  876. ******************************************************************************/
  877. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  878. const u8 pri_set,
  879. const u8 pri_offset,
  880. const u8 entry_size)
  881. {
  882. u64 pri_cli_nig = 0;
  883. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  884. (pri_set + pri_offset));
  885. return pri_cli_nig;
  886. }
  887. /******************************************************************************
  888. * Description:
  889. * Returns the correct value according to COS and priority in the
  890. * sp_pri_cli register for NIG.
  891. *
  892. ******************************************************************************/
  893. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  894. {
  895. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  896. const u8 nig_cos_offset = 3;
  897. const u8 nig_pri_offset = 3;
  898. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  899. nig_pri_offset, 4);
  900. }
  901. /******************************************************************************
  902. * Description:
  903. * Returns the correct value according to COS and priority in the
  904. * sp_pri_cli register for PBF.
  905. *
  906. ******************************************************************************/
  907. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  908. {
  909. const u8 pbf_cos_offset = 0;
  910. const u8 pbf_pri_offset = 0;
  911. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  912. pbf_pri_offset, 3);
  913. }
  914. /******************************************************************************
  915. * Description:
  916. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  917. * according to sp_pri_to_cos.(which COS has higher priority)
  918. *
  919. ******************************************************************************/
  920. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  921. u8 *sp_pri_to_cos)
  922. {
  923. struct bnx2x *bp = params->bp;
  924. u8 i = 0;
  925. const u8 port = params->port;
  926. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  927. u64 pri_cli_nig = 0x210;
  928. u32 pri_cli_pbf = 0x0;
  929. u8 pri_set = 0;
  930. u8 pri_bitmask = 0;
  931. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  932. DCBX_E3B0_MAX_NUM_COS_PORT0;
  933. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  934. /* Set all the strict priority first */
  935. for (i = 0; i < max_num_of_cos; i++) {
  936. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  937. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  938. DP(NETIF_MSG_LINK,
  939. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  940. "invalid cos entry\n");
  941. return -EINVAL;
  942. }
  943. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  944. sp_pri_to_cos[i], pri_set);
  945. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  946. sp_pri_to_cos[i], pri_set);
  947. pri_bitmask = 1 << sp_pri_to_cos[i];
  948. /* COS is used remove it from bitmap.*/
  949. if (!(pri_bitmask & cos_bit_to_set)) {
  950. DP(NETIF_MSG_LINK,
  951. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  952. "invalid There can't be two COS's with"
  953. " the same strict pri\n");
  954. return -EINVAL;
  955. }
  956. cos_bit_to_set &= ~pri_bitmask;
  957. pri_set++;
  958. }
  959. }
  960. /* Set all the Non strict priority i= COS*/
  961. for (i = 0; i < max_num_of_cos; i++) {
  962. pri_bitmask = 1 << i;
  963. /* Check if COS was already used for SP */
  964. if (pri_bitmask & cos_bit_to_set) {
  965. /* COS wasn't used for SP */
  966. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  967. i, pri_set);
  968. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  969. i, pri_set);
  970. /* COS is used remove it from bitmap.*/
  971. cos_bit_to_set &= ~pri_bitmask;
  972. pri_set++;
  973. }
  974. }
  975. if (pri_set != max_num_of_cos) {
  976. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  977. "entries were set\n");
  978. return -EINVAL;
  979. }
  980. if (port) {
  981. /* Only 6 usable clients*/
  982. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  983. (u32)pri_cli_nig);
  984. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  985. } else {
  986. /* Only 9 usable clients*/
  987. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  988. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  989. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  990. pri_cli_nig_lsb);
  991. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  992. pri_cli_nig_msb);
  993. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  994. }
  995. return 0;
  996. }
  997. /******************************************************************************
  998. * Description:
  999. * Configure the COS to ETS according to BW and SP settings.
  1000. ******************************************************************************/
  1001. int bnx2x_ets_e3b0_config(const struct link_params *params,
  1002. const struct link_vars *vars,
  1003. struct bnx2x_ets_params *ets_params)
  1004. {
  1005. struct bnx2x *bp = params->bp;
  1006. int bnx2x_status = 0;
  1007. const u8 port = params->port;
  1008. u16 total_bw = 0;
  1009. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1010. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1011. u8 cos_bw_bitmap = 0;
  1012. u8 cos_sp_bitmap = 0;
  1013. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1014. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1015. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1016. u8 cos_entry = 0;
  1017. if (!CHIP_IS_E3B0(bp)) {
  1018. DP(NETIF_MSG_LINK,
  1019. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1020. return -EINVAL;
  1021. }
  1022. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1023. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1024. "isn't supported\n");
  1025. return -EINVAL;
  1026. }
  1027. /* Prepare sp strict priority parameters*/
  1028. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1029. /* Prepare BW parameters*/
  1030. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1031. &total_bw);
  1032. if (bnx2x_status) {
  1033. DP(NETIF_MSG_LINK,
  1034. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1035. return -EINVAL;
  1036. }
  1037. /* Upper bound is set according to current link speed (min_w_val
  1038. * should be the same for upper bound and COS credit val).
  1039. */
  1040. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1041. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1042. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1043. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1044. cos_bw_bitmap |= (1 << cos_entry);
  1045. /* The function also sets the BW in HW(not the mappin
  1046. * yet)
  1047. */
  1048. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1049. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1050. total_bw,
  1051. ets_params->cos[cos_entry].params.bw_params.bw,
  1052. port);
  1053. } else if (bnx2x_cos_state_strict ==
  1054. ets_params->cos[cos_entry].state){
  1055. cos_sp_bitmap |= (1 << cos_entry);
  1056. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1057. params,
  1058. sp_pri_to_cos,
  1059. ets_params->cos[cos_entry].params.sp_params.pri,
  1060. cos_entry);
  1061. } else {
  1062. DP(NETIF_MSG_LINK,
  1063. "bnx2x_ets_e3b0_config cos state not valid\n");
  1064. return -EINVAL;
  1065. }
  1066. if (bnx2x_status) {
  1067. DP(NETIF_MSG_LINK,
  1068. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1069. return bnx2x_status;
  1070. }
  1071. }
  1072. /* Set SP register (which COS has higher priority) */
  1073. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1074. sp_pri_to_cos);
  1075. if (bnx2x_status) {
  1076. DP(NETIF_MSG_LINK,
  1077. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1078. return bnx2x_status;
  1079. }
  1080. /* Set client mapping of BW and strict */
  1081. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1082. cos_sp_bitmap,
  1083. cos_bw_bitmap);
  1084. if (bnx2x_status) {
  1085. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1086. return bnx2x_status;
  1087. }
  1088. return 0;
  1089. }
  1090. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1091. {
  1092. /* ETS disabled configuration */
  1093. struct bnx2x *bp = params->bp;
  1094. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1095. /* Defines which entries (clients) are subjected to WFQ arbitration
  1096. * COS0 0x8
  1097. * COS1 0x10
  1098. */
  1099. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1100. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1101. * client numbers (WEIGHT_0 does not actually have to represent
  1102. * client 0)
  1103. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1104. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1105. */
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1107. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1108. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1109. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1110. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1111. /* ETS mode enabled*/
  1112. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1113. /* Defines the number of consecutive slots for the strict priority */
  1114. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1115. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1116. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1117. * entry, 4 - COS1 entry.
  1118. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1119. * bit4 bit3 bit2 bit1 bit0
  1120. * MCP and debug are strict
  1121. */
  1122. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1123. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1124. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1125. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1126. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1127. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1128. }
  1129. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1130. const u32 cos1_bw)
  1131. {
  1132. /* ETS disabled configuration*/
  1133. struct bnx2x *bp = params->bp;
  1134. const u32 total_bw = cos0_bw + cos1_bw;
  1135. u32 cos0_credit_weight = 0;
  1136. u32 cos1_credit_weight = 0;
  1137. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1138. if ((!total_bw) ||
  1139. (!cos0_bw) ||
  1140. (!cos1_bw)) {
  1141. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1142. return;
  1143. }
  1144. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1145. total_bw;
  1146. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1147. total_bw;
  1148. bnx2x_ets_bw_limit_common(params);
  1149. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1151. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1152. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1153. }
  1154. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1155. {
  1156. /* ETS disabled configuration*/
  1157. struct bnx2x *bp = params->bp;
  1158. u32 val = 0;
  1159. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1160. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1161. * as strict. Bits 0,1,2 - debug and management entries,
  1162. * 3 - COS0 entry, 4 - COS1 entry.
  1163. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1164. * bit4 bit3 bit2 bit1 bit0
  1165. * MCP and debug are strict
  1166. */
  1167. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1168. /* For strict priority entries defines the number of consecutive slots
  1169. * for the highest priority.
  1170. */
  1171. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1172. /* ETS mode disable */
  1173. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1174. /* Defines the number of consecutive slots for the strict priority */
  1175. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1176. /* Defines the number of consecutive slots for the strict priority */
  1177. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1178. /* Mapping between entry priority to client number (0,1,2 -debug and
  1179. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1180. * 3bits client num.
  1181. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1182. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1183. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1184. */
  1185. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1186. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1187. return 0;
  1188. }
  1189. /******************************************************************/
  1190. /* PFC section */
  1191. /******************************************************************/
  1192. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1193. struct link_vars *vars,
  1194. u8 is_lb)
  1195. {
  1196. struct bnx2x *bp = params->bp;
  1197. u32 xmac_base;
  1198. u32 pause_val, pfc0_val, pfc1_val;
  1199. /* XMAC base adrr */
  1200. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1201. /* Initialize pause and pfc registers */
  1202. pause_val = 0x18000;
  1203. pfc0_val = 0xFFFF8000;
  1204. pfc1_val = 0x2;
  1205. /* No PFC support */
  1206. if (!(params->feature_config_flags &
  1207. FEATURE_CONFIG_PFC_ENABLED)) {
  1208. /* RX flow control - Process pause frame in receive direction
  1209. */
  1210. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1211. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1212. /* TX flow control - Send pause packet when buffer is full */
  1213. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1214. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1215. } else {/* PFC support */
  1216. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1217. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1218. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1219. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1220. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1221. /* Write pause and PFC registers */
  1222. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1223. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1224. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1225. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1226. }
  1227. /* Write pause and PFC registers */
  1228. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1229. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1230. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1231. /* Set MAC address for source TX Pause/PFC frames */
  1232. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1233. ((params->mac_addr[2] << 24) |
  1234. (params->mac_addr[3] << 16) |
  1235. (params->mac_addr[4] << 8) |
  1236. (params->mac_addr[5])));
  1237. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1238. ((params->mac_addr[0] << 8) |
  1239. (params->mac_addr[1])));
  1240. udelay(30);
  1241. }
  1242. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1243. u32 pfc_frames_sent[2],
  1244. u32 pfc_frames_received[2])
  1245. {
  1246. /* Read pfc statistic */
  1247. struct bnx2x *bp = params->bp;
  1248. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1249. u32 val_xon = 0;
  1250. u32 val_xoff = 0;
  1251. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1252. /* PFC received frames */
  1253. val_xoff = REG_RD(bp, emac_base +
  1254. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1255. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1256. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1257. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1258. pfc_frames_received[0] = val_xon + val_xoff;
  1259. /* PFC received sent */
  1260. val_xoff = REG_RD(bp, emac_base +
  1261. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1262. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1263. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1264. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1265. pfc_frames_sent[0] = val_xon + val_xoff;
  1266. }
  1267. /* Read pfc statistic*/
  1268. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1269. u32 pfc_frames_sent[2],
  1270. u32 pfc_frames_received[2])
  1271. {
  1272. /* Read pfc statistic */
  1273. struct bnx2x *bp = params->bp;
  1274. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1275. if (!vars->link_up)
  1276. return;
  1277. if (vars->mac_type == MAC_TYPE_EMAC) {
  1278. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1279. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1280. pfc_frames_received);
  1281. }
  1282. }
  1283. /******************************************************************/
  1284. /* MAC/PBF section */
  1285. /******************************************************************/
  1286. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1287. u32 emac_base)
  1288. {
  1289. u32 new_mode, cur_mode;
  1290. u32 clc_cnt;
  1291. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1292. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1293. */
  1294. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1295. if (USES_WARPCORE(bp))
  1296. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1297. else
  1298. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1299. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1300. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1301. return;
  1302. new_mode = cur_mode &
  1303. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1304. new_mode |= clc_cnt;
  1305. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1306. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1307. cur_mode, new_mode);
  1308. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1309. udelay(40);
  1310. }
  1311. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1312. struct link_params *params)
  1313. {
  1314. u8 phy_index;
  1315. /* Set mdio clock per phy */
  1316. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1317. phy_index++)
  1318. bnx2x_set_mdio_clk(bp, params->chip_id,
  1319. params->phy[phy_index].mdio_ctrl);
  1320. }
  1321. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1322. {
  1323. u32 port4mode_ovwr_val;
  1324. /* Check 4-port override enabled */
  1325. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1326. if (port4mode_ovwr_val & (1<<0)) {
  1327. /* Return 4-port mode override value */
  1328. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1329. }
  1330. /* Return 4-port mode from input pin */
  1331. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1332. }
  1333. static void bnx2x_emac_init(struct link_params *params,
  1334. struct link_vars *vars)
  1335. {
  1336. /* reset and unreset the emac core */
  1337. struct bnx2x *bp = params->bp;
  1338. u8 port = params->port;
  1339. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1340. u32 val;
  1341. u16 timeout;
  1342. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1343. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1344. udelay(5);
  1345. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1346. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1347. /* init emac - use read-modify-write */
  1348. /* self clear reset */
  1349. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1350. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1351. timeout = 200;
  1352. do {
  1353. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1354. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1355. if (!timeout) {
  1356. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1357. return;
  1358. }
  1359. timeout--;
  1360. } while (val & EMAC_MODE_RESET);
  1361. bnx2x_set_mdio_emac_per_phy(bp, params);
  1362. /* Set mac address */
  1363. val = ((params->mac_addr[0] << 8) |
  1364. params->mac_addr[1]);
  1365. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1366. val = ((params->mac_addr[2] << 24) |
  1367. (params->mac_addr[3] << 16) |
  1368. (params->mac_addr[4] << 8) |
  1369. params->mac_addr[5]);
  1370. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1371. }
  1372. static void bnx2x_set_xumac_nig(struct link_params *params,
  1373. u16 tx_pause_en,
  1374. u8 enable)
  1375. {
  1376. struct bnx2x *bp = params->bp;
  1377. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1378. enable);
  1379. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1380. enable);
  1381. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1382. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1383. }
  1384. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1385. {
  1386. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1387. u32 val;
  1388. struct bnx2x *bp = params->bp;
  1389. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1390. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1391. return;
  1392. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1393. if (en)
  1394. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1395. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1396. else
  1397. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1398. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1399. /* Disable RX and TX */
  1400. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1401. }
  1402. static void bnx2x_umac_enable(struct link_params *params,
  1403. struct link_vars *vars, u8 lb)
  1404. {
  1405. u32 val;
  1406. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1407. struct bnx2x *bp = params->bp;
  1408. /* Reset UMAC */
  1409. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1410. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1411. usleep_range(1000, 2000);
  1412. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1413. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1414. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1415. /* This register opens the gate for the UMAC despite its name */
  1416. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1417. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1418. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1419. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1420. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1421. switch (vars->line_speed) {
  1422. case SPEED_10:
  1423. val |= (0<<2);
  1424. break;
  1425. case SPEED_100:
  1426. val |= (1<<2);
  1427. break;
  1428. case SPEED_1000:
  1429. val |= (2<<2);
  1430. break;
  1431. case SPEED_2500:
  1432. val |= (3<<2);
  1433. break;
  1434. default:
  1435. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1436. vars->line_speed);
  1437. break;
  1438. }
  1439. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1440. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1441. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1442. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1443. if (vars->duplex == DUPLEX_HALF)
  1444. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1445. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1446. udelay(50);
  1447. /* Configure UMAC for EEE */
  1448. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1449. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1450. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1451. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1452. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1453. } else {
  1454. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1455. }
  1456. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1457. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1458. ((params->mac_addr[2] << 24) |
  1459. (params->mac_addr[3] << 16) |
  1460. (params->mac_addr[4] << 8) |
  1461. (params->mac_addr[5])));
  1462. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1463. ((params->mac_addr[0] << 8) |
  1464. (params->mac_addr[1])));
  1465. /* Enable RX and TX */
  1466. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1467. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1468. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1469. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1470. udelay(50);
  1471. /* Remove SW Reset */
  1472. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1473. /* Check loopback mode */
  1474. if (lb)
  1475. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1476. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1477. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1478. * length used by the MAC receive logic to check frames.
  1479. */
  1480. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1481. bnx2x_set_xumac_nig(params,
  1482. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1483. vars->mac_type = MAC_TYPE_UMAC;
  1484. }
  1485. /* Define the XMAC mode */
  1486. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1487. {
  1488. struct bnx2x *bp = params->bp;
  1489. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1490. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1491. * already out of reset, it means the mode has already been set,
  1492. * and it must not* reset the XMAC again, since it controls both
  1493. * ports of the path
  1494. */
  1495. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1496. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1497. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1498. is_port4mode &&
  1499. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1500. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1501. DP(NETIF_MSG_LINK,
  1502. "XMAC already out of reset in 4-port mode\n");
  1503. return;
  1504. }
  1505. /* Hard reset */
  1506. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1507. MISC_REGISTERS_RESET_REG_2_XMAC);
  1508. usleep_range(1000, 2000);
  1509. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1510. MISC_REGISTERS_RESET_REG_2_XMAC);
  1511. if (is_port4mode) {
  1512. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1513. /* Set the number of ports on the system side to up to 2 */
  1514. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1515. /* Set the number of ports on the Warp Core to 10G */
  1516. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1517. } else {
  1518. /* Set the number of ports on the system side to 1 */
  1519. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1520. if (max_speed == SPEED_10000) {
  1521. DP(NETIF_MSG_LINK,
  1522. "Init XMAC to 10G x 1 port per path\n");
  1523. /* Set the number of ports on the Warp Core to 10G */
  1524. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1525. } else {
  1526. DP(NETIF_MSG_LINK,
  1527. "Init XMAC to 20G x 2 ports per path\n");
  1528. /* Set the number of ports on the Warp Core to 20G */
  1529. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1530. }
  1531. }
  1532. /* Soft reset */
  1533. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1534. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1535. usleep_range(1000, 2000);
  1536. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1537. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1538. }
  1539. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1540. {
  1541. u8 port = params->port;
  1542. struct bnx2x *bp = params->bp;
  1543. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1544. u32 val;
  1545. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1546. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1547. /* Send an indication to change the state in the NIG back to XON
  1548. * Clearing this bit enables the next set of this bit to get
  1549. * rising edge
  1550. */
  1551. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1552. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1553. (pfc_ctrl & ~(1<<1)));
  1554. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1555. (pfc_ctrl | (1<<1)));
  1556. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1557. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1558. if (en)
  1559. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1560. else
  1561. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1562. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1563. }
  1564. }
  1565. static int bnx2x_xmac_enable(struct link_params *params,
  1566. struct link_vars *vars, u8 lb)
  1567. {
  1568. u32 val, xmac_base;
  1569. struct bnx2x *bp = params->bp;
  1570. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1571. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1572. bnx2x_xmac_init(params, vars->line_speed);
  1573. /* This register determines on which events the MAC will assert
  1574. * error on the i/f to the NIG along w/ EOP.
  1575. */
  1576. /* This register tells the NIG whether to send traffic to UMAC
  1577. * or XMAC
  1578. */
  1579. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1580. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1581. * detection.
  1582. */
  1583. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1584. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1585. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1586. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1587. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1588. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1589. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1590. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1591. }
  1592. /* Set Max packet size */
  1593. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1594. /* CRC append for Tx packets */
  1595. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1596. /* update PFC */
  1597. bnx2x_update_pfc_xmac(params, vars, 0);
  1598. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1599. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1600. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1601. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1602. } else {
  1603. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1604. }
  1605. /* Enable TX and RX */
  1606. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1607. /* Set MAC in XLGMII mode for dual-mode */
  1608. if ((vars->line_speed == SPEED_20000) &&
  1609. (params->phy[INT_PHY].supported &
  1610. SUPPORTED_20000baseKR2_Full))
  1611. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1612. /* Check loopback mode */
  1613. if (lb)
  1614. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1615. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1616. bnx2x_set_xumac_nig(params,
  1617. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1618. vars->mac_type = MAC_TYPE_XMAC;
  1619. return 0;
  1620. }
  1621. static int bnx2x_emac_enable(struct link_params *params,
  1622. struct link_vars *vars, u8 lb)
  1623. {
  1624. struct bnx2x *bp = params->bp;
  1625. u8 port = params->port;
  1626. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1627. u32 val;
  1628. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1629. /* Disable BMAC */
  1630. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1631. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1632. /* enable emac and not bmac */
  1633. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1634. /* ASIC */
  1635. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1636. u32 ser_lane = ((params->lane_config &
  1637. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1638. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1639. DP(NETIF_MSG_LINK, "XGXS\n");
  1640. /* select the master lanes (out of 0-3) */
  1641. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1642. /* select XGXS */
  1643. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1644. } else { /* SerDes */
  1645. DP(NETIF_MSG_LINK, "SerDes\n");
  1646. /* select SerDes */
  1647. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1648. }
  1649. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1650. EMAC_RX_MODE_RESET);
  1651. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1652. EMAC_TX_MODE_RESET);
  1653. /* pause enable/disable */
  1654. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1655. EMAC_RX_MODE_FLOW_EN);
  1656. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1657. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1658. EMAC_TX_MODE_FLOW_EN));
  1659. if (!(params->feature_config_flags &
  1660. FEATURE_CONFIG_PFC_ENABLED)) {
  1661. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1662. bnx2x_bits_en(bp, emac_base +
  1663. EMAC_REG_EMAC_RX_MODE,
  1664. EMAC_RX_MODE_FLOW_EN);
  1665. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1666. bnx2x_bits_en(bp, emac_base +
  1667. EMAC_REG_EMAC_TX_MODE,
  1668. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1669. EMAC_TX_MODE_FLOW_EN));
  1670. } else
  1671. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1672. EMAC_TX_MODE_FLOW_EN);
  1673. /* KEEP_VLAN_TAG, promiscuous */
  1674. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1675. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1676. /* Setting this bit causes MAC control frames (except for pause
  1677. * frames) to be passed on for processing. This setting has no
  1678. * affect on the operation of the pause frames. This bit effects
  1679. * all packets regardless of RX Parser packet sorting logic.
  1680. * Turn the PFC off to make sure we are in Xon state before
  1681. * enabling it.
  1682. */
  1683. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1684. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1685. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1686. /* Enable PFC again */
  1687. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1688. EMAC_REG_RX_PFC_MODE_RX_EN |
  1689. EMAC_REG_RX_PFC_MODE_TX_EN |
  1690. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1691. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1692. ((0x0101 <<
  1693. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1694. (0x00ff <<
  1695. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1696. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1697. }
  1698. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1699. /* Set Loopback */
  1700. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1701. if (lb)
  1702. val |= 0x810;
  1703. else
  1704. val &= ~0x810;
  1705. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1706. /* Enable emac */
  1707. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1708. /* Enable emac for jumbo packets */
  1709. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1710. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1711. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1712. /* Strip CRC */
  1713. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1714. /* Disable the NIG in/out to the bmac */
  1715. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1716. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1717. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1718. /* Enable the NIG in/out to the emac */
  1719. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1720. val = 0;
  1721. if ((params->feature_config_flags &
  1722. FEATURE_CONFIG_PFC_ENABLED) ||
  1723. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1724. val = 1;
  1725. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1726. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1727. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1728. vars->mac_type = MAC_TYPE_EMAC;
  1729. return 0;
  1730. }
  1731. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1732. struct link_vars *vars)
  1733. {
  1734. u32 wb_data[2];
  1735. struct bnx2x *bp = params->bp;
  1736. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1737. NIG_REG_INGRESS_BMAC0_MEM;
  1738. u32 val = 0x14;
  1739. if ((!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED)) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1742. /* Enable BigMAC to react on received Pause packets */
  1743. val |= (1<<5);
  1744. wb_data[0] = val;
  1745. wb_data[1] = 0;
  1746. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1747. /* TX control */
  1748. val = 0xc0;
  1749. if (!(params->feature_config_flags &
  1750. FEATURE_CONFIG_PFC_ENABLED) &&
  1751. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1752. val |= 0x800000;
  1753. wb_data[0] = val;
  1754. wb_data[1] = 0;
  1755. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1756. }
  1757. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1758. struct link_vars *vars,
  1759. u8 is_lb)
  1760. {
  1761. /* Set rx control: Strip CRC and enable BigMAC to relay
  1762. * control packets to the system as well
  1763. */
  1764. u32 wb_data[2];
  1765. struct bnx2x *bp = params->bp;
  1766. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1767. NIG_REG_INGRESS_BMAC0_MEM;
  1768. u32 val = 0x14;
  1769. if ((!(params->feature_config_flags &
  1770. FEATURE_CONFIG_PFC_ENABLED)) &&
  1771. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1772. /* Enable BigMAC to react on received Pause packets */
  1773. val |= (1<<5);
  1774. wb_data[0] = val;
  1775. wb_data[1] = 0;
  1776. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1777. udelay(30);
  1778. /* Tx control */
  1779. val = 0xc0;
  1780. if (!(params->feature_config_flags &
  1781. FEATURE_CONFIG_PFC_ENABLED) &&
  1782. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1783. val |= 0x800000;
  1784. wb_data[0] = val;
  1785. wb_data[1] = 0;
  1786. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1787. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1788. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1789. /* Enable PFC RX & TX & STATS and set 8 COS */
  1790. wb_data[0] = 0x0;
  1791. wb_data[0] |= (1<<0); /* RX */
  1792. wb_data[0] |= (1<<1); /* TX */
  1793. wb_data[0] |= (1<<2); /* Force initial Xon */
  1794. wb_data[0] |= (1<<3); /* 8 cos */
  1795. wb_data[0] |= (1<<5); /* STATS */
  1796. wb_data[1] = 0;
  1797. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1798. wb_data, 2);
  1799. /* Clear the force Xon */
  1800. wb_data[0] &= ~(1<<2);
  1801. } else {
  1802. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1803. /* Disable PFC RX & TX & STATS and set 8 COS */
  1804. wb_data[0] = 0x8;
  1805. wb_data[1] = 0;
  1806. }
  1807. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1808. /* Set Time (based unit is 512 bit time) between automatic
  1809. * re-sending of PP packets amd enable automatic re-send of
  1810. * Per-Priroity Packet as long as pp_gen is asserted and
  1811. * pp_disable is low.
  1812. */
  1813. val = 0x8000;
  1814. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1815. val |= (1<<16); /* enable automatic re-send */
  1816. wb_data[0] = val;
  1817. wb_data[1] = 0;
  1818. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1819. wb_data, 2);
  1820. /* mac control */
  1821. val = 0x3; /* Enable RX and TX */
  1822. if (is_lb) {
  1823. val |= 0x4; /* Local loopback */
  1824. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1825. }
  1826. /* When PFC enabled, Pass pause frames towards the NIG. */
  1827. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1828. val |= ((1<<6)|(1<<5));
  1829. wb_data[0] = val;
  1830. wb_data[1] = 0;
  1831. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1832. }
  1833. /******************************************************************************
  1834. * Description:
  1835. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1836. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1837. ******************************************************************************/
  1838. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1839. u8 cos_entry,
  1840. u32 priority_mask, u8 port)
  1841. {
  1842. u32 nig_reg_rx_priority_mask_add = 0;
  1843. switch (cos_entry) {
  1844. case 0:
  1845. nig_reg_rx_priority_mask_add = (port) ?
  1846. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1847. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1848. break;
  1849. case 1:
  1850. nig_reg_rx_priority_mask_add = (port) ?
  1851. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1852. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1853. break;
  1854. case 2:
  1855. nig_reg_rx_priority_mask_add = (port) ?
  1856. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1857. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1858. break;
  1859. case 3:
  1860. if (port)
  1861. return -EINVAL;
  1862. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1863. break;
  1864. case 4:
  1865. if (port)
  1866. return -EINVAL;
  1867. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1868. break;
  1869. case 5:
  1870. if (port)
  1871. return -EINVAL;
  1872. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1873. break;
  1874. }
  1875. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1876. return 0;
  1877. }
  1878. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1879. {
  1880. struct bnx2x *bp = params->bp;
  1881. REG_WR(bp, params->shmem_base +
  1882. offsetof(struct shmem_region,
  1883. port_mb[params->port].link_status), link_status);
  1884. }
  1885. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1886. {
  1887. struct bnx2x *bp = params->bp;
  1888. if (SHMEM2_HAS(bp, link_attr_sync))
  1889. REG_WR(bp, params->shmem2_base +
  1890. offsetof(struct shmem2_region,
  1891. link_attr_sync[params->port]), link_attr);
  1892. }
  1893. static void bnx2x_update_pfc_nig(struct link_params *params,
  1894. struct link_vars *vars,
  1895. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1896. {
  1897. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1898. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1899. u32 pkt_priority_to_cos = 0;
  1900. struct bnx2x *bp = params->bp;
  1901. u8 port = params->port;
  1902. int set_pfc = params->feature_config_flags &
  1903. FEATURE_CONFIG_PFC_ENABLED;
  1904. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1905. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1906. * MAC control frames (that are not pause packets)
  1907. * will be forwarded to the XCM.
  1908. */
  1909. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1910. NIG_REG_LLH0_XCM_MASK);
  1911. /* NIG params will override non PFC params, since it's possible to
  1912. * do transition from PFC to SAFC
  1913. */
  1914. if (set_pfc) {
  1915. pause_enable = 0;
  1916. llfc_out_en = 0;
  1917. llfc_enable = 0;
  1918. if (CHIP_IS_E3(bp))
  1919. ppp_enable = 0;
  1920. else
  1921. ppp_enable = 1;
  1922. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1923. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1924. xcm_out_en = 0;
  1925. hwpfc_enable = 1;
  1926. } else {
  1927. if (nig_params) {
  1928. llfc_out_en = nig_params->llfc_out_en;
  1929. llfc_enable = nig_params->llfc_enable;
  1930. pause_enable = nig_params->pause_enable;
  1931. } else /* Default non PFC mode - PAUSE */
  1932. pause_enable = 1;
  1933. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1934. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1935. xcm_out_en = 1;
  1936. }
  1937. if (CHIP_IS_E3(bp))
  1938. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1939. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1940. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1941. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1942. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1943. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1944. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1945. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1946. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1947. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1948. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1949. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1950. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1951. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1952. /* Output enable for RX_XCM # IF */
  1953. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1954. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1955. /* HW PFC TX enable */
  1956. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1957. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1958. if (nig_params) {
  1959. u8 i = 0;
  1960. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1961. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1962. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1963. nig_params->rx_cos_priority_mask[i], port);
  1964. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1965. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1966. nig_params->llfc_high_priority_classes);
  1967. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1968. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1969. nig_params->llfc_low_priority_classes);
  1970. }
  1971. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1972. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1973. pkt_priority_to_cos);
  1974. }
  1975. int bnx2x_update_pfc(struct link_params *params,
  1976. struct link_vars *vars,
  1977. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1978. {
  1979. /* The PFC and pause are orthogonal to one another, meaning when
  1980. * PFC is enabled, the pause are disabled, and when PFC is
  1981. * disabled, pause are set according to the pause result.
  1982. */
  1983. u32 val;
  1984. struct bnx2x *bp = params->bp;
  1985. int bnx2x_status = 0;
  1986. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1987. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1988. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1989. else
  1990. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1991. bnx2x_update_mng(params, vars->link_status);
  1992. /* Update NIG params */
  1993. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1994. if (!vars->link_up)
  1995. return bnx2x_status;
  1996. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1997. if (CHIP_IS_E3(bp)) {
  1998. if (vars->mac_type == MAC_TYPE_XMAC)
  1999. bnx2x_update_pfc_xmac(params, vars, 0);
  2000. } else {
  2001. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2002. if ((val &
  2003. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2004. == 0) {
  2005. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2006. bnx2x_emac_enable(params, vars, 0);
  2007. return bnx2x_status;
  2008. }
  2009. if (CHIP_IS_E2(bp))
  2010. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2011. else
  2012. bnx2x_update_pfc_bmac1(params, vars);
  2013. val = 0;
  2014. if ((params->feature_config_flags &
  2015. FEATURE_CONFIG_PFC_ENABLED) ||
  2016. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2017. val = 1;
  2018. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2019. }
  2020. return bnx2x_status;
  2021. }
  2022. static int bnx2x_bmac1_enable(struct link_params *params,
  2023. struct link_vars *vars,
  2024. u8 is_lb)
  2025. {
  2026. struct bnx2x *bp = params->bp;
  2027. u8 port = params->port;
  2028. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2029. NIG_REG_INGRESS_BMAC0_MEM;
  2030. u32 wb_data[2];
  2031. u32 val;
  2032. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2033. /* XGXS control */
  2034. wb_data[0] = 0x3c;
  2035. wb_data[1] = 0;
  2036. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2037. wb_data, 2);
  2038. /* TX MAC SA */
  2039. wb_data[0] = ((params->mac_addr[2] << 24) |
  2040. (params->mac_addr[3] << 16) |
  2041. (params->mac_addr[4] << 8) |
  2042. params->mac_addr[5]);
  2043. wb_data[1] = ((params->mac_addr[0] << 8) |
  2044. params->mac_addr[1]);
  2045. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2046. /* MAC control */
  2047. val = 0x3;
  2048. if (is_lb) {
  2049. val |= 0x4;
  2050. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2051. }
  2052. wb_data[0] = val;
  2053. wb_data[1] = 0;
  2054. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2055. /* Set rx mtu */
  2056. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2057. wb_data[1] = 0;
  2058. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2059. bnx2x_update_pfc_bmac1(params, vars);
  2060. /* Set tx mtu */
  2061. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2062. wb_data[1] = 0;
  2063. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2064. /* Set cnt max size */
  2065. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2066. wb_data[1] = 0;
  2067. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2068. /* Configure SAFC */
  2069. wb_data[0] = 0x1000200;
  2070. wb_data[1] = 0;
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2072. wb_data, 2);
  2073. return 0;
  2074. }
  2075. static int bnx2x_bmac2_enable(struct link_params *params,
  2076. struct link_vars *vars,
  2077. u8 is_lb)
  2078. {
  2079. struct bnx2x *bp = params->bp;
  2080. u8 port = params->port;
  2081. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2082. NIG_REG_INGRESS_BMAC0_MEM;
  2083. u32 wb_data[2];
  2084. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2085. wb_data[0] = 0;
  2086. wb_data[1] = 0;
  2087. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2088. udelay(30);
  2089. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2090. wb_data[0] = 0x3c;
  2091. wb_data[1] = 0;
  2092. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2093. wb_data, 2);
  2094. udelay(30);
  2095. /* TX MAC SA */
  2096. wb_data[0] = ((params->mac_addr[2] << 24) |
  2097. (params->mac_addr[3] << 16) |
  2098. (params->mac_addr[4] << 8) |
  2099. params->mac_addr[5]);
  2100. wb_data[1] = ((params->mac_addr[0] << 8) |
  2101. params->mac_addr[1]);
  2102. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2103. wb_data, 2);
  2104. udelay(30);
  2105. /* Configure SAFC */
  2106. wb_data[0] = 0x1000200;
  2107. wb_data[1] = 0;
  2108. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2109. wb_data, 2);
  2110. udelay(30);
  2111. /* Set RX MTU */
  2112. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2113. wb_data[1] = 0;
  2114. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2115. udelay(30);
  2116. /* Set TX MTU */
  2117. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2118. wb_data[1] = 0;
  2119. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2120. udelay(30);
  2121. /* Set cnt max size */
  2122. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2123. wb_data[1] = 0;
  2124. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2125. udelay(30);
  2126. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2127. return 0;
  2128. }
  2129. static int bnx2x_bmac_enable(struct link_params *params,
  2130. struct link_vars *vars,
  2131. u8 is_lb, u8 reset_bmac)
  2132. {
  2133. int rc = 0;
  2134. u8 port = params->port;
  2135. struct bnx2x *bp = params->bp;
  2136. u32 val;
  2137. /* Reset and unreset the BigMac */
  2138. if (reset_bmac) {
  2139. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2140. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2141. usleep_range(1000, 2000);
  2142. }
  2143. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2144. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2145. /* Enable access for bmac registers */
  2146. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2147. /* Enable BMAC according to BMAC type*/
  2148. if (CHIP_IS_E2(bp))
  2149. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2150. else
  2151. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2152. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2153. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2154. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2155. val = 0;
  2156. if ((params->feature_config_flags &
  2157. FEATURE_CONFIG_PFC_ENABLED) ||
  2158. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2159. val = 1;
  2160. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2161. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2162. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2163. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2164. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2165. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2166. vars->mac_type = MAC_TYPE_BMAC;
  2167. return rc;
  2168. }
  2169. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2170. {
  2171. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2172. NIG_REG_INGRESS_BMAC0_MEM;
  2173. u32 wb_data[2];
  2174. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2175. if (CHIP_IS_E2(bp))
  2176. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2177. else
  2178. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2179. /* Only if the bmac is out of reset */
  2180. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2181. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2182. nig_bmac_enable) {
  2183. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2184. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2185. if (en)
  2186. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2187. else
  2188. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2189. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2190. usleep_range(1000, 2000);
  2191. }
  2192. }
  2193. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2194. u32 line_speed)
  2195. {
  2196. struct bnx2x *bp = params->bp;
  2197. u8 port = params->port;
  2198. u32 init_crd, crd;
  2199. u32 count = 1000;
  2200. /* Disable port */
  2201. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2202. /* Wait for init credit */
  2203. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2204. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2205. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2206. while ((init_crd != crd) && count) {
  2207. usleep_range(5000, 10000);
  2208. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2209. count--;
  2210. }
  2211. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2212. if (init_crd != crd) {
  2213. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2214. init_crd, crd);
  2215. return -EINVAL;
  2216. }
  2217. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2218. line_speed == SPEED_10 ||
  2219. line_speed == SPEED_100 ||
  2220. line_speed == SPEED_1000 ||
  2221. line_speed == SPEED_2500) {
  2222. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2223. /* Update threshold */
  2224. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2225. /* Update init credit */
  2226. init_crd = 778; /* (800-18-4) */
  2227. } else {
  2228. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2229. ETH_OVREHEAD)/16;
  2230. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2231. /* Update threshold */
  2232. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2233. /* Update init credit */
  2234. switch (line_speed) {
  2235. case SPEED_10000:
  2236. init_crd = thresh + 553 - 22;
  2237. break;
  2238. default:
  2239. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2240. line_speed);
  2241. return -EINVAL;
  2242. }
  2243. }
  2244. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2245. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2246. line_speed, init_crd);
  2247. /* Probe the credit changes */
  2248. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2249. usleep_range(5000, 10000);
  2250. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2251. /* Enable port */
  2252. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2253. return 0;
  2254. }
  2255. /**
  2256. * bnx2x_get_emac_base - retrive emac base address
  2257. *
  2258. * @bp: driver handle
  2259. * @mdc_mdio_access: access type
  2260. * @port: port id
  2261. *
  2262. * This function selects the MDC/MDIO access (through emac0 or
  2263. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2264. * phy has a default access mode, which could also be overridden
  2265. * by nvram configuration. This parameter, whether this is the
  2266. * default phy configuration, or the nvram overrun
  2267. * configuration, is passed here as mdc_mdio_access and selects
  2268. * the emac_base for the CL45 read/writes operations
  2269. */
  2270. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2271. u32 mdc_mdio_access, u8 port)
  2272. {
  2273. u32 emac_base = 0;
  2274. switch (mdc_mdio_access) {
  2275. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2276. break;
  2277. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2278. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2279. emac_base = GRCBASE_EMAC1;
  2280. else
  2281. emac_base = GRCBASE_EMAC0;
  2282. break;
  2283. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2284. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2285. emac_base = GRCBASE_EMAC0;
  2286. else
  2287. emac_base = GRCBASE_EMAC1;
  2288. break;
  2289. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2290. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2291. break;
  2292. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2293. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2294. break;
  2295. default:
  2296. break;
  2297. }
  2298. return emac_base;
  2299. }
  2300. /******************************************************************/
  2301. /* CL22 access functions */
  2302. /******************************************************************/
  2303. static int bnx2x_cl22_write(struct bnx2x *bp,
  2304. struct bnx2x_phy *phy,
  2305. u16 reg, u16 val)
  2306. {
  2307. u32 tmp, mode;
  2308. u8 i;
  2309. int rc = 0;
  2310. /* Switch to CL22 */
  2311. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2312. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2313. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2314. /* Address */
  2315. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2316. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2317. EMAC_MDIO_COMM_START_BUSY);
  2318. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2319. for (i = 0; i < 50; i++) {
  2320. udelay(10);
  2321. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2322. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2323. udelay(5);
  2324. break;
  2325. }
  2326. }
  2327. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2328. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2329. rc = -EFAULT;
  2330. }
  2331. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2332. return rc;
  2333. }
  2334. static int bnx2x_cl22_read(struct bnx2x *bp,
  2335. struct bnx2x_phy *phy,
  2336. u16 reg, u16 *ret_val)
  2337. {
  2338. u32 val, mode;
  2339. u16 i;
  2340. int rc = 0;
  2341. /* Switch to CL22 */
  2342. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2343. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2344. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2345. /* Address */
  2346. val = ((phy->addr << 21) | (reg << 16) |
  2347. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2348. EMAC_MDIO_COMM_START_BUSY);
  2349. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2350. for (i = 0; i < 50; i++) {
  2351. udelay(10);
  2352. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2353. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2354. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2355. udelay(5);
  2356. break;
  2357. }
  2358. }
  2359. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2360. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2361. *ret_val = 0;
  2362. rc = -EFAULT;
  2363. }
  2364. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2365. return rc;
  2366. }
  2367. /******************************************************************/
  2368. /* CL45 access functions */
  2369. /******************************************************************/
  2370. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2371. u8 devad, u16 reg, u16 *ret_val)
  2372. {
  2373. u32 val;
  2374. u16 i;
  2375. int rc = 0;
  2376. u32 chip_id;
  2377. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2378. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2379. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2380. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2381. }
  2382. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2383. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2384. EMAC_MDIO_STATUS_10MB);
  2385. /* Address */
  2386. val = ((phy->addr << 21) | (devad << 16) | reg |
  2387. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2388. EMAC_MDIO_COMM_START_BUSY);
  2389. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2390. for (i = 0; i < 50; i++) {
  2391. udelay(10);
  2392. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2393. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2394. udelay(5);
  2395. break;
  2396. }
  2397. }
  2398. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2399. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2400. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2401. *ret_val = 0;
  2402. rc = -EFAULT;
  2403. } else {
  2404. /* Data */
  2405. val = ((phy->addr << 21) | (devad << 16) |
  2406. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2407. EMAC_MDIO_COMM_START_BUSY);
  2408. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2409. for (i = 0; i < 50; i++) {
  2410. udelay(10);
  2411. val = REG_RD(bp, phy->mdio_ctrl +
  2412. EMAC_REG_EMAC_MDIO_COMM);
  2413. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2414. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2415. break;
  2416. }
  2417. }
  2418. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2419. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2420. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2421. *ret_val = 0;
  2422. rc = -EFAULT;
  2423. }
  2424. }
  2425. /* Work around for E3 A0 */
  2426. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2427. phy->flags ^= FLAGS_DUMMY_READ;
  2428. if (phy->flags & FLAGS_DUMMY_READ) {
  2429. u16 temp_val;
  2430. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2431. }
  2432. }
  2433. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2434. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2435. EMAC_MDIO_STATUS_10MB);
  2436. return rc;
  2437. }
  2438. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2439. u8 devad, u16 reg, u16 val)
  2440. {
  2441. u32 tmp;
  2442. u8 i;
  2443. int rc = 0;
  2444. u32 chip_id;
  2445. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2446. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2447. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2448. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2449. }
  2450. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2451. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2452. EMAC_MDIO_STATUS_10MB);
  2453. /* Address */
  2454. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2455. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2456. EMAC_MDIO_COMM_START_BUSY);
  2457. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2458. for (i = 0; i < 50; i++) {
  2459. udelay(10);
  2460. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2461. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2462. udelay(5);
  2463. break;
  2464. }
  2465. }
  2466. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2467. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2468. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2469. rc = -EFAULT;
  2470. } else {
  2471. /* Data */
  2472. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2473. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2474. EMAC_MDIO_COMM_START_BUSY);
  2475. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2476. for (i = 0; i < 50; i++) {
  2477. udelay(10);
  2478. tmp = REG_RD(bp, phy->mdio_ctrl +
  2479. EMAC_REG_EMAC_MDIO_COMM);
  2480. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2481. udelay(5);
  2482. break;
  2483. }
  2484. }
  2485. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2486. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2487. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2488. rc = -EFAULT;
  2489. }
  2490. }
  2491. /* Work around for E3 A0 */
  2492. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2493. phy->flags ^= FLAGS_DUMMY_READ;
  2494. if (phy->flags & FLAGS_DUMMY_READ) {
  2495. u16 temp_val;
  2496. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2497. }
  2498. }
  2499. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2500. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2501. EMAC_MDIO_STATUS_10MB);
  2502. return rc;
  2503. }
  2504. /******************************************************************/
  2505. /* EEE section */
  2506. /******************************************************************/
  2507. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2508. {
  2509. struct bnx2x *bp = params->bp;
  2510. if (REG_RD(bp, params->shmem2_base) <=
  2511. offsetof(struct shmem2_region, eee_status[params->port]))
  2512. return 0;
  2513. return 1;
  2514. }
  2515. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2516. {
  2517. switch (nvram_mode) {
  2518. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2519. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2520. break;
  2521. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2522. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2523. break;
  2524. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2525. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2526. break;
  2527. default:
  2528. *idle_timer = 0;
  2529. break;
  2530. }
  2531. return 0;
  2532. }
  2533. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2534. {
  2535. switch (idle_timer) {
  2536. case EEE_MODE_NVRAM_BALANCED_TIME:
  2537. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2538. break;
  2539. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2540. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2541. break;
  2542. case EEE_MODE_NVRAM_LATENCY_TIME:
  2543. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2544. break;
  2545. default:
  2546. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2547. break;
  2548. }
  2549. return 0;
  2550. }
  2551. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2552. {
  2553. u32 eee_mode, eee_idle;
  2554. struct bnx2x *bp = params->bp;
  2555. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2556. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2557. /* time value in eee_mode --> used directly*/
  2558. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2559. } else {
  2560. /* hsi value in eee_mode --> time */
  2561. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2562. EEE_MODE_NVRAM_MASK,
  2563. &eee_idle))
  2564. return 0;
  2565. }
  2566. } else {
  2567. /* hsi values in nvram --> time*/
  2568. eee_mode = ((REG_RD(bp, params->shmem_base +
  2569. offsetof(struct shmem_region, dev_info.
  2570. port_feature_config[params->port].
  2571. eee_power_mode)) &
  2572. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2573. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2574. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2575. return 0;
  2576. }
  2577. return eee_idle;
  2578. }
  2579. static int bnx2x_eee_set_timers(struct link_params *params,
  2580. struct link_vars *vars)
  2581. {
  2582. u32 eee_idle = 0, eee_mode;
  2583. struct bnx2x *bp = params->bp;
  2584. eee_idle = bnx2x_eee_calc_timer(params);
  2585. if (eee_idle) {
  2586. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2587. eee_idle);
  2588. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2589. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2590. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2591. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2592. return -EINVAL;
  2593. }
  2594. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2595. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2596. /* eee_idle in 1u --> eee_status in 16u */
  2597. eee_idle >>= 4;
  2598. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2599. SHMEM_EEE_TIME_OUTPUT_BIT;
  2600. } else {
  2601. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2602. return -EINVAL;
  2603. vars->eee_status |= eee_mode;
  2604. }
  2605. return 0;
  2606. }
  2607. static int bnx2x_eee_initial_config(struct link_params *params,
  2608. struct link_vars *vars, u8 mode)
  2609. {
  2610. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2611. /* Propogate params' bits --> vars (for migration exposure) */
  2612. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2613. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2614. else
  2615. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2616. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2617. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2618. else
  2619. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2620. return bnx2x_eee_set_timers(params, vars);
  2621. }
  2622. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2623. struct link_params *params,
  2624. struct link_vars *vars)
  2625. {
  2626. struct bnx2x *bp = params->bp;
  2627. /* Make Certain LPI is disabled */
  2628. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2629. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2630. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2631. return 0;
  2632. }
  2633. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2634. struct link_params *params,
  2635. struct link_vars *vars, u8 modes)
  2636. {
  2637. struct bnx2x *bp = params->bp;
  2638. u16 val = 0;
  2639. /* Mask events preventing LPI generation */
  2640. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2641. if (modes & SHMEM_EEE_10G_ADV) {
  2642. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2643. val |= 0x8;
  2644. }
  2645. if (modes & SHMEM_EEE_1G_ADV) {
  2646. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2647. val |= 0x4;
  2648. }
  2649. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2650. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2651. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2652. return 0;
  2653. }
  2654. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2655. {
  2656. struct bnx2x *bp = params->bp;
  2657. if (bnx2x_eee_has_cap(params))
  2658. REG_WR(bp, params->shmem2_base +
  2659. offsetof(struct shmem2_region,
  2660. eee_status[params->port]), eee_status);
  2661. }
  2662. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2663. struct link_params *params,
  2664. struct link_vars *vars)
  2665. {
  2666. struct bnx2x *bp = params->bp;
  2667. u16 adv = 0, lp = 0;
  2668. u32 lp_adv = 0;
  2669. u8 neg = 0;
  2670. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2671. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2672. if (lp & 0x2) {
  2673. lp_adv |= SHMEM_EEE_100M_ADV;
  2674. if (adv & 0x2) {
  2675. if (vars->line_speed == SPEED_100)
  2676. neg = 1;
  2677. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2678. }
  2679. }
  2680. if (lp & 0x14) {
  2681. lp_adv |= SHMEM_EEE_1G_ADV;
  2682. if (adv & 0x14) {
  2683. if (vars->line_speed == SPEED_1000)
  2684. neg = 1;
  2685. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2686. }
  2687. }
  2688. if (lp & 0x68) {
  2689. lp_adv |= SHMEM_EEE_10G_ADV;
  2690. if (adv & 0x68) {
  2691. if (vars->line_speed == SPEED_10000)
  2692. neg = 1;
  2693. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2694. }
  2695. }
  2696. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2697. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2698. if (neg) {
  2699. DP(NETIF_MSG_LINK, "EEE is active\n");
  2700. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2701. }
  2702. }
  2703. /******************************************************************/
  2704. /* BSC access functions from E3 */
  2705. /******************************************************************/
  2706. static void bnx2x_bsc_module_sel(struct link_params *params)
  2707. {
  2708. int idx;
  2709. u32 board_cfg, sfp_ctrl;
  2710. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2711. struct bnx2x *bp = params->bp;
  2712. u8 port = params->port;
  2713. /* Read I2C output PINs */
  2714. board_cfg = REG_RD(bp, params->shmem_base +
  2715. offsetof(struct shmem_region,
  2716. dev_info.shared_hw_config.board));
  2717. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2718. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2719. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2720. /* Read I2C output value */
  2721. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2722. offsetof(struct shmem_region,
  2723. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2724. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2725. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2726. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2727. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2728. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2729. }
  2730. static int bnx2x_bsc_read(struct link_params *params,
  2731. struct bnx2x_phy *phy,
  2732. u8 sl_devid,
  2733. u16 sl_addr,
  2734. u8 lc_addr,
  2735. u8 xfer_cnt,
  2736. u32 *data_array)
  2737. {
  2738. u32 val, i;
  2739. int rc = 0;
  2740. struct bnx2x *bp = params->bp;
  2741. if (xfer_cnt > 16) {
  2742. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2743. xfer_cnt);
  2744. return -EINVAL;
  2745. }
  2746. bnx2x_bsc_module_sel(params);
  2747. xfer_cnt = 16 - lc_addr;
  2748. /* Enable the engine */
  2749. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2750. val |= MCPR_IMC_COMMAND_ENABLE;
  2751. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2752. /* Program slave device ID */
  2753. val = (sl_devid << 16) | sl_addr;
  2754. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2755. /* Start xfer with 0 byte to update the address pointer ???*/
  2756. val = (MCPR_IMC_COMMAND_ENABLE) |
  2757. (MCPR_IMC_COMMAND_WRITE_OP <<
  2758. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2759. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2760. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2761. /* Poll for completion */
  2762. i = 0;
  2763. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2764. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2765. udelay(10);
  2766. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2767. if (i++ > 1000) {
  2768. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2769. i);
  2770. rc = -EFAULT;
  2771. break;
  2772. }
  2773. }
  2774. if (rc == -EFAULT)
  2775. return rc;
  2776. /* Start xfer with read op */
  2777. val = (MCPR_IMC_COMMAND_ENABLE) |
  2778. (MCPR_IMC_COMMAND_READ_OP <<
  2779. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2780. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2781. (xfer_cnt);
  2782. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2783. /* Poll for completion */
  2784. i = 0;
  2785. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2786. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2787. udelay(10);
  2788. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2789. if (i++ > 1000) {
  2790. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2791. rc = -EFAULT;
  2792. break;
  2793. }
  2794. }
  2795. if (rc == -EFAULT)
  2796. return rc;
  2797. for (i = (lc_addr >> 2); i < 4; i++) {
  2798. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2799. #ifdef __BIG_ENDIAN
  2800. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2801. ((data_array[i] & 0x0000ff00) << 8) |
  2802. ((data_array[i] & 0x00ff0000) >> 8) |
  2803. ((data_array[i] & 0xff000000) >> 24);
  2804. #endif
  2805. }
  2806. return rc;
  2807. }
  2808. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2809. u8 devad, u16 reg, u16 or_val)
  2810. {
  2811. u16 val;
  2812. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2813. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2814. }
  2815. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2816. struct bnx2x_phy *phy,
  2817. u8 devad, u16 reg, u16 and_val)
  2818. {
  2819. u16 val;
  2820. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2821. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2822. }
  2823. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2824. u8 devad, u16 reg, u16 *ret_val)
  2825. {
  2826. u8 phy_index;
  2827. /* Probe for the phy according to the given phy_addr, and execute
  2828. * the read request on it
  2829. */
  2830. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2831. if (params->phy[phy_index].addr == phy_addr) {
  2832. return bnx2x_cl45_read(params->bp,
  2833. &params->phy[phy_index], devad,
  2834. reg, ret_val);
  2835. }
  2836. }
  2837. return -EINVAL;
  2838. }
  2839. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2840. u8 devad, u16 reg, u16 val)
  2841. {
  2842. u8 phy_index;
  2843. /* Probe for the phy according to the given phy_addr, and execute
  2844. * the write request on it
  2845. */
  2846. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2847. if (params->phy[phy_index].addr == phy_addr) {
  2848. return bnx2x_cl45_write(params->bp,
  2849. &params->phy[phy_index], devad,
  2850. reg, val);
  2851. }
  2852. }
  2853. return -EINVAL;
  2854. }
  2855. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2856. struct link_params *params)
  2857. {
  2858. u8 lane = 0;
  2859. struct bnx2x *bp = params->bp;
  2860. u32 path_swap, path_swap_ovr;
  2861. u8 path, port;
  2862. path = BP_PATH(bp);
  2863. port = params->port;
  2864. if (bnx2x_is_4_port_mode(bp)) {
  2865. u32 port_swap, port_swap_ovr;
  2866. /* Figure out path swap value */
  2867. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2868. if (path_swap_ovr & 0x1)
  2869. path_swap = (path_swap_ovr & 0x2);
  2870. else
  2871. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2872. if (path_swap)
  2873. path = path ^ 1;
  2874. /* Figure out port swap value */
  2875. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2876. if (port_swap_ovr & 0x1)
  2877. port_swap = (port_swap_ovr & 0x2);
  2878. else
  2879. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2880. if (port_swap)
  2881. port = port ^ 1;
  2882. lane = (port<<1) + path;
  2883. } else { /* Two port mode - no port swap */
  2884. /* Figure out path swap value */
  2885. path_swap_ovr =
  2886. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2887. if (path_swap_ovr & 0x1) {
  2888. path_swap = (path_swap_ovr & 0x2);
  2889. } else {
  2890. path_swap =
  2891. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2892. }
  2893. if (path_swap)
  2894. path = path ^ 1;
  2895. lane = path << 1 ;
  2896. }
  2897. return lane;
  2898. }
  2899. static void bnx2x_set_aer_mmd(struct link_params *params,
  2900. struct bnx2x_phy *phy)
  2901. {
  2902. u32 ser_lane;
  2903. u16 offset, aer_val;
  2904. struct bnx2x *bp = params->bp;
  2905. ser_lane = ((params->lane_config &
  2906. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2907. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2908. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2909. (phy->addr + ser_lane) : 0;
  2910. if (USES_WARPCORE(bp)) {
  2911. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2912. /* In Dual-lane mode, two lanes are joined together,
  2913. * so in order to configure them, the AER broadcast method is
  2914. * used here.
  2915. * 0x200 is the broadcast address for lanes 0,1
  2916. * 0x201 is the broadcast address for lanes 2,3
  2917. */
  2918. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2919. aer_val = (aer_val >> 1) | 0x200;
  2920. } else if (CHIP_IS_E2(bp))
  2921. aer_val = 0x3800 + offset - 1;
  2922. else
  2923. aer_val = 0x3800 + offset;
  2924. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2925. MDIO_AER_BLOCK_AER_REG, aer_val);
  2926. }
  2927. /******************************************************************/
  2928. /* Internal phy section */
  2929. /******************************************************************/
  2930. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2931. {
  2932. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2933. /* Set Clause 22 */
  2934. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2935. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2936. udelay(500);
  2937. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2938. udelay(500);
  2939. /* Set Clause 45 */
  2940. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2941. }
  2942. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2943. {
  2944. u32 val;
  2945. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2946. val = SERDES_RESET_BITS << (port*16);
  2947. /* Reset and unreset the SerDes/XGXS */
  2948. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2949. udelay(500);
  2950. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2951. bnx2x_set_serdes_access(bp, port);
  2952. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2953. DEFAULT_PHY_DEV_ADDR);
  2954. }
  2955. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2956. struct link_params *params,
  2957. u32 action)
  2958. {
  2959. struct bnx2x *bp = params->bp;
  2960. switch (action) {
  2961. case PHY_INIT:
  2962. /* Set correct devad */
  2963. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2964. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2965. phy->def_md_devad);
  2966. break;
  2967. }
  2968. }
  2969. static void bnx2x_xgxs_deassert(struct link_params *params)
  2970. {
  2971. struct bnx2x *bp = params->bp;
  2972. u8 port;
  2973. u32 val;
  2974. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2975. port = params->port;
  2976. val = XGXS_RESET_BITS << (port*16);
  2977. /* Reset and unreset the SerDes/XGXS */
  2978. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2979. udelay(500);
  2980. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2981. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2982. PHY_INIT);
  2983. }
  2984. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2985. struct link_params *params, u16 *ieee_fc)
  2986. {
  2987. struct bnx2x *bp = params->bp;
  2988. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2989. /* Resolve pause mode and advertisement Please refer to Table
  2990. * 28B-3 of the 802.3ab-1999 spec
  2991. */
  2992. switch (phy->req_flow_ctrl) {
  2993. case BNX2X_FLOW_CTRL_AUTO:
  2994. switch (params->req_fc_auto_adv) {
  2995. case BNX2X_FLOW_CTRL_BOTH:
  2996. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2997. break;
  2998. case BNX2X_FLOW_CTRL_RX:
  2999. case BNX2X_FLOW_CTRL_TX:
  3000. *ieee_fc |=
  3001. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3002. break;
  3003. default:
  3004. break;
  3005. }
  3006. break;
  3007. case BNX2X_FLOW_CTRL_TX:
  3008. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3009. break;
  3010. case BNX2X_FLOW_CTRL_RX:
  3011. case BNX2X_FLOW_CTRL_BOTH:
  3012. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3013. break;
  3014. case BNX2X_FLOW_CTRL_NONE:
  3015. default:
  3016. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3017. break;
  3018. }
  3019. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3020. }
  3021. static void set_phy_vars(struct link_params *params,
  3022. struct link_vars *vars)
  3023. {
  3024. struct bnx2x *bp = params->bp;
  3025. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3026. u8 phy_config_swapped = params->multi_phy_config &
  3027. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3028. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3029. phy_index++) {
  3030. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3031. actual_phy_idx = phy_index;
  3032. if (phy_config_swapped) {
  3033. if (phy_index == EXT_PHY1)
  3034. actual_phy_idx = EXT_PHY2;
  3035. else if (phy_index == EXT_PHY2)
  3036. actual_phy_idx = EXT_PHY1;
  3037. }
  3038. params->phy[actual_phy_idx].req_flow_ctrl =
  3039. params->req_flow_ctrl[link_cfg_idx];
  3040. params->phy[actual_phy_idx].req_line_speed =
  3041. params->req_line_speed[link_cfg_idx];
  3042. params->phy[actual_phy_idx].speed_cap_mask =
  3043. params->speed_cap_mask[link_cfg_idx];
  3044. params->phy[actual_phy_idx].req_duplex =
  3045. params->req_duplex[link_cfg_idx];
  3046. if (params->req_line_speed[link_cfg_idx] ==
  3047. SPEED_AUTO_NEG)
  3048. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3049. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3050. " speed_cap_mask %x\n",
  3051. params->phy[actual_phy_idx].req_flow_ctrl,
  3052. params->phy[actual_phy_idx].req_line_speed,
  3053. params->phy[actual_phy_idx].speed_cap_mask);
  3054. }
  3055. }
  3056. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3057. struct bnx2x_phy *phy,
  3058. struct link_vars *vars)
  3059. {
  3060. u16 val;
  3061. struct bnx2x *bp = params->bp;
  3062. /* Read modify write pause advertizing */
  3063. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3064. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3065. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3066. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3067. if ((vars->ieee_fc &
  3068. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3069. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3070. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3071. }
  3072. if ((vars->ieee_fc &
  3073. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3074. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3075. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3076. }
  3077. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3078. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3079. }
  3080. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3081. { /* LD LP */
  3082. switch (pause_result) { /* ASYM P ASYM P */
  3083. case 0xb: /* 1 0 1 1 */
  3084. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3085. break;
  3086. case 0xe: /* 1 1 1 0 */
  3087. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3088. break;
  3089. case 0x5: /* 0 1 0 1 */
  3090. case 0x7: /* 0 1 1 1 */
  3091. case 0xd: /* 1 1 0 1 */
  3092. case 0xf: /* 1 1 1 1 */
  3093. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3094. break;
  3095. default:
  3096. break;
  3097. }
  3098. if (pause_result & (1<<0))
  3099. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3100. if (pause_result & (1<<1))
  3101. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3102. }
  3103. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3104. struct link_params *params,
  3105. struct link_vars *vars)
  3106. {
  3107. u16 ld_pause; /* local */
  3108. u16 lp_pause; /* link partner */
  3109. u16 pause_result;
  3110. struct bnx2x *bp = params->bp;
  3111. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3112. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3113. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3114. } else if (CHIP_IS_E3(bp) &&
  3115. SINGLE_MEDIA_DIRECT(params)) {
  3116. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3117. u16 gp_status, gp_mask;
  3118. bnx2x_cl45_read(bp, phy,
  3119. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3120. &gp_status);
  3121. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3122. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3123. lane;
  3124. if ((gp_status & gp_mask) == gp_mask) {
  3125. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3126. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3127. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3128. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3129. } else {
  3130. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3131. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3132. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3133. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3134. ld_pause = ((ld_pause &
  3135. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3136. << 3);
  3137. lp_pause = ((lp_pause &
  3138. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3139. << 3);
  3140. }
  3141. } else {
  3142. bnx2x_cl45_read(bp, phy,
  3143. MDIO_AN_DEVAD,
  3144. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3145. bnx2x_cl45_read(bp, phy,
  3146. MDIO_AN_DEVAD,
  3147. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3148. }
  3149. pause_result = (ld_pause &
  3150. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3151. pause_result |= (lp_pause &
  3152. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3153. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3154. bnx2x_pause_resolve(vars, pause_result);
  3155. }
  3156. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3157. struct link_params *params,
  3158. struct link_vars *vars)
  3159. {
  3160. u8 ret = 0;
  3161. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3162. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3163. /* Update the advertised flow-controled of LD/LP in AN */
  3164. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3165. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3166. /* But set the flow-control result as the requested one */
  3167. vars->flow_ctrl = phy->req_flow_ctrl;
  3168. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3169. vars->flow_ctrl = params->req_fc_auto_adv;
  3170. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3171. ret = 1;
  3172. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3173. }
  3174. return ret;
  3175. }
  3176. /******************************************************************/
  3177. /* Warpcore section */
  3178. /******************************************************************/
  3179. /* The init_internal_warpcore should mirror the xgxs,
  3180. * i.e. reset the lane (if needed), set aer for the
  3181. * init configuration, and set/clear SGMII flag. Internal
  3182. * phy init is done purely in phy_init stage.
  3183. */
  3184. #define WC_TX_DRIVER(post2, idriver, ipre) \
  3185. ((post2 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) | \
  3186. (idriver << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) | \
  3187. (ipre << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET))
  3188. #define WC_TX_FIR(post, main, pre) \
  3189. ((post << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) | \
  3190. (main << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) | \
  3191. (pre << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET))
  3192. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3193. struct link_params *params,
  3194. struct link_vars *vars)
  3195. {
  3196. struct bnx2x *bp = params->bp;
  3197. u16 i;
  3198. static struct bnx2x_reg_set reg_set[] = {
  3199. /* Step 1 - Program the TX/RX alignment markers */
  3200. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3201. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3202. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3203. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3204. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3205. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3206. /* Step 2 - Configure the NP registers */
  3207. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3208. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3209. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3210. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3211. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3212. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3214. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3216. };
  3217. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3218. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3220. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3221. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3222. reg_set[i].val);
  3223. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3224. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3225. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3226. }
  3227. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3228. struct link_params *params)
  3229. {
  3230. struct bnx2x *bp = params->bp;
  3231. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3234. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3235. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3236. }
  3237. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3238. struct link_params *params)
  3239. {
  3240. /* Restart autoneg on the leading lane only */
  3241. struct bnx2x *bp = params->bp;
  3242. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3243. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3244. MDIO_AER_BLOCK_AER_REG, lane);
  3245. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3246. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3247. /* Restore AER */
  3248. bnx2x_set_aer_mmd(params, phy);
  3249. }
  3250. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3251. struct link_params *params,
  3252. struct link_vars *vars) {
  3253. u16 lane, i, cl72_ctrl, an_adv = 0;
  3254. u16 ucode_ver;
  3255. struct bnx2x *bp = params->bp;
  3256. static struct bnx2x_reg_set reg_set[] = {
  3257. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3258. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3259. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3260. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3261. /* Disable Autoneg: re-enable it after adv is done. */
  3262. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3263. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3264. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3265. };
  3266. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3267. /* Set to default registers that may be overriden by 10G force */
  3268. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3269. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3270. reg_set[i].val);
  3271. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3273. cl72_ctrl &= 0x08ff;
  3274. cl72_ctrl |= 0x3800;
  3275. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3276. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3277. /* Check adding advertisement for 1G KX */
  3278. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3279. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3280. (vars->line_speed == SPEED_1000)) {
  3281. u16 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3282. an_adv |= (1<<5);
  3283. /* Enable CL37 1G Parallel Detect */
  3284. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3285. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3286. }
  3287. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3288. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3289. (vars->line_speed == SPEED_10000)) {
  3290. /* Check adding advertisement for 10G KR */
  3291. an_adv |= (1<<7);
  3292. /* Enable 10G Parallel Detect */
  3293. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3294. MDIO_AER_BLOCK_AER_REG, 0);
  3295. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3296. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3297. bnx2x_set_aer_mmd(params, phy);
  3298. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3299. }
  3300. /* Set Transmit PMD settings */
  3301. lane = bnx2x_get_warpcore_lane(phy, params);
  3302. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3304. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3305. /* Configure the next lane if dual mode */
  3306. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3309. WC_TX_DRIVER(0x02, 0x06, 0x09));
  3310. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3311. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3312. 0x03f0);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3315. 0x03f0);
  3316. /* Advertised speeds */
  3317. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3318. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3319. /* Advertised and set FEC (Forward Error Correction) */
  3320. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3321. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3322. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3323. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3324. /* Enable CL37 BAM */
  3325. if (REG_RD(bp, params->shmem_base +
  3326. offsetof(struct shmem_region, dev_info.
  3327. port_hw_config[params->port].default_cfg)) &
  3328. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3329. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3331. 1);
  3332. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3333. }
  3334. /* Advertise pause */
  3335. bnx2x_ext_phy_set_pause(params, phy, vars);
  3336. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3337. */
  3338. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3339. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3340. if (ucode_ver < 0xd108) {
  3341. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3342. ucode_ver);
  3343. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3344. }
  3345. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3347. /* Over 1G - AN local device user page 1 */
  3348. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3349. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3350. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3351. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3352. (phy->req_line_speed == SPEED_20000)) {
  3353. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3354. MDIO_AER_BLOCK_AER_REG, lane);
  3355. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3357. (1<<11));
  3358. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3360. bnx2x_set_aer_mmd(params, phy);
  3361. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3362. }
  3363. /* Enable Autoneg: only on the main lane */
  3364. bnx2x_warpcore_restart_AN_KR(phy, params);
  3365. }
  3366. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3367. struct link_params *params,
  3368. struct link_vars *vars)
  3369. {
  3370. struct bnx2x *bp = params->bp;
  3371. u16 val16, i, lane;
  3372. static struct bnx2x_reg_set reg_set[] = {
  3373. /* Disable Autoneg */
  3374. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3375. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3376. 0x3f00},
  3377. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3378. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3379. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3380. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3381. /* Leave cl72 training enable, needed for KR */
  3382. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3383. };
  3384. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  3385. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3386. reg_set[i].val);
  3387. lane = bnx2x_get_warpcore_lane(phy, params);
  3388. /* Global registers */
  3389. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3390. MDIO_AER_BLOCK_AER_REG, 0);
  3391. /* Disable CL36 PCS Tx */
  3392. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3394. val16 &= ~(0x0011 << lane);
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3397. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3399. val16 |= (0x0303 << (lane << 1));
  3400. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3401. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3402. /* Restore AER */
  3403. bnx2x_set_aer_mmd(params, phy);
  3404. /* Set speed via PMA/PMD register */
  3405. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3406. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3407. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3408. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3409. /* Enable encoded forced speed */
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3412. /* Turn TX scramble payload only the 64/66 scrambler */
  3413. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3414. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3415. /* Turn RX scramble payload only the 64/66 scrambler */
  3416. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3417. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3418. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3419. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3420. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3421. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3422. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3423. }
  3424. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3425. struct link_params *params,
  3426. u8 is_xfi)
  3427. {
  3428. struct bnx2x *bp = params->bp;
  3429. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3430. u32 cfg_tap_val, tx_drv_brdct, tx_equal;
  3431. /* Hold rxSeqStart */
  3432. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3434. /* Hold tx_fifo_reset */
  3435. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3437. /* Disable CL73 AN */
  3438. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3439. /* Disable 100FX Enable and Auto-Detect */
  3440. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3442. /* Disable 100FX Idle detect */
  3443. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3445. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3446. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3447. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3448. /* Turn off auto-detect & fiber mode */
  3449. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3451. 0xFFEE);
  3452. /* Set filter_force_link, disable_false_link and parallel_detect */
  3453. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3455. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3457. ((val | 0x0006) & 0xFFFE));
  3458. /* Set XFI / SFI */
  3459. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3460. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3461. misc1_val &= ~(0x1f);
  3462. if (is_xfi) {
  3463. misc1_val |= 0x5;
  3464. tap_val = WC_TX_FIR(0x08, 0x37, 0x00);
  3465. tx_driver_val = WC_TX_DRIVER(0x00, 0x02, 0x03);
  3466. } else {
  3467. cfg_tap_val = REG_RD(bp, params->shmem_base +
  3468. offsetof(struct shmem_region, dev_info.
  3469. port_hw_config[params->port].
  3470. sfi_tap_values));
  3471. tx_equal = cfg_tap_val & PORT_HW_CFG_TX_EQUALIZATION_MASK;
  3472. tx_drv_brdct = (cfg_tap_val &
  3473. PORT_HW_CFG_TX_DRV_BROADCAST_MASK) >>
  3474. PORT_HW_CFG_TX_DRV_BROADCAST_SHIFT;
  3475. misc1_val |= 0x9;
  3476. /* TAP values are controlled by nvram, if value there isn't 0 */
  3477. if (tx_equal)
  3478. tap_val = (u16)tx_equal;
  3479. else
  3480. tap_val = WC_TX_FIR(0x0f, 0x2b, 0x02);
  3481. if (tx_drv_brdct)
  3482. tx_driver_val = WC_TX_DRIVER(0x03, (u16)tx_drv_brdct,
  3483. 0x06);
  3484. else
  3485. tx_driver_val = WC_TX_DRIVER(0x03, 0x02, 0x06);
  3486. }
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3489. /* Set Transmit PMD settings */
  3490. lane = bnx2x_get_warpcore_lane(phy, params);
  3491. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_TX_FIR_TAP,
  3493. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3494. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3495. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3496. tx_driver_val);
  3497. /* Enable fiber mode, enable and invert sig_det */
  3498. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3500. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3501. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3503. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3504. /* 10G XFI Full Duplex */
  3505. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3506. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3507. /* Release tx_fifo_reset */
  3508. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3510. 0xFFFE);
  3511. /* Release rxSeqStart */
  3512. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3514. }
  3515. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3516. struct link_params *params)
  3517. {
  3518. u16 val;
  3519. struct bnx2x *bp = params->bp;
  3520. /* Set global registers, so set AER lane to 0 */
  3521. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3522. MDIO_AER_BLOCK_AER_REG, 0);
  3523. /* Disable sequencer */
  3524. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3525. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3526. bnx2x_set_aer_mmd(params, phy);
  3527. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3528. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3529. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3530. MDIO_AN_REG_CTRL, 0);
  3531. /* Turn off CL73 */
  3532. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3534. val &= ~(1<<5);
  3535. val |= (1<<6);
  3536. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3537. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3538. /* Set 20G KR2 force speed */
  3539. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3540. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3541. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3543. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3544. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3545. val &= ~(3<<14);
  3546. val |= (1<<15);
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3549. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3550. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3551. /* Enable sequencer (over lane 0) */
  3552. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3553. MDIO_AER_BLOCK_AER_REG, 0);
  3554. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3556. bnx2x_set_aer_mmd(params, phy);
  3557. }
  3558. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3559. struct bnx2x_phy *phy,
  3560. u16 lane)
  3561. {
  3562. /* Rx0 anaRxControl1G */
  3563. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3564. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3565. /* Rx2 anaRxControl1G */
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3568. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3569. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3570. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3571. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3572. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3574. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3575. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3576. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3578. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3579. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3580. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3581. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3582. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3583. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3584. /* Serdes Digital Misc1 */
  3585. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3587. /* Serdes Digital4 Misc3 */
  3588. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3589. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3590. /* Set Transmit PMD settings */
  3591. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3592. MDIO_WC_REG_TX_FIR_TAP,
  3593. (WC_TX_FIR(0x12, 0x2d, 0x00) |
  3594. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3595. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3597. WC_TX_DRIVER(0x02, 0x02, 0x02));
  3598. }
  3599. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3600. struct link_params *params,
  3601. u8 fiber_mode,
  3602. u8 always_autoneg)
  3603. {
  3604. struct bnx2x *bp = params->bp;
  3605. u16 val16, digctrl_kx1, digctrl_kx2;
  3606. /* Clear XFI clock comp in non-10G single lane mode. */
  3607. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3608. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3609. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3610. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3611. /* SGMII Autoneg */
  3612. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3613. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3614. 0x1000);
  3615. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3616. } else {
  3617. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3618. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3619. val16 &= 0xcebf;
  3620. switch (phy->req_line_speed) {
  3621. case SPEED_10:
  3622. break;
  3623. case SPEED_100:
  3624. val16 |= 0x2000;
  3625. break;
  3626. case SPEED_1000:
  3627. val16 |= 0x0040;
  3628. break;
  3629. default:
  3630. DP(NETIF_MSG_LINK,
  3631. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3632. return;
  3633. }
  3634. if (phy->req_duplex == DUPLEX_FULL)
  3635. val16 |= 0x0100;
  3636. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3638. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3639. phy->req_line_speed);
  3640. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3642. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3643. }
  3644. /* SGMII Slave mode and disable signal detect */
  3645. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3647. if (fiber_mode)
  3648. digctrl_kx1 = 1;
  3649. else
  3650. digctrl_kx1 &= 0xff4a;
  3651. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3652. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3653. digctrl_kx1);
  3654. /* Turn off parallel detect */
  3655. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3656. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3657. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3658. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3659. (digctrl_kx2 & ~(1<<2)));
  3660. /* Re-enable parallel detect */
  3661. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3662. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3663. (digctrl_kx2 | (1<<2)));
  3664. /* Enable autodet */
  3665. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3666. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3667. (digctrl_kx1 | 0x10));
  3668. }
  3669. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3670. struct bnx2x_phy *phy,
  3671. u8 reset)
  3672. {
  3673. u16 val;
  3674. /* Take lane out of reset after configuration is finished */
  3675. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3676. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3677. if (reset)
  3678. val |= 0xC000;
  3679. else
  3680. val &= 0x3FFF;
  3681. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3682. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3683. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3684. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3685. }
  3686. /* Clear SFI/XFI link settings registers */
  3687. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3688. struct link_params *params,
  3689. u16 lane)
  3690. {
  3691. struct bnx2x *bp = params->bp;
  3692. u16 i;
  3693. static struct bnx2x_reg_set wc_regs[] = {
  3694. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3696. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3697. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3698. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3699. 0x0195},
  3700. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3701. 0x0007},
  3702. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3703. 0x0002},
  3704. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3705. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3706. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3707. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3708. };
  3709. /* Set XFI clock comp as default. */
  3710. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3711. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3712. for (i = 0; i < ARRAY_SIZE(wc_regs); i++)
  3713. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3714. wc_regs[i].val);
  3715. lane = bnx2x_get_warpcore_lane(phy, params);
  3716. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3717. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3718. }
  3719. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3720. u32 chip_id,
  3721. u32 shmem_base, u8 port,
  3722. u8 *gpio_num, u8 *gpio_port)
  3723. {
  3724. u32 cfg_pin;
  3725. *gpio_num = 0;
  3726. *gpio_port = 0;
  3727. if (CHIP_IS_E3(bp)) {
  3728. cfg_pin = (REG_RD(bp, shmem_base +
  3729. offsetof(struct shmem_region,
  3730. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3731. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3732. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3733. /* Should not happen. This function called upon interrupt
  3734. * triggered by GPIO ( since EPIO can only generate interrupts
  3735. * to MCP).
  3736. * So if this function was called and none of the GPIOs was set,
  3737. * it means the shit hit the fan.
  3738. */
  3739. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3740. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3741. DP(NETIF_MSG_LINK,
  3742. "No cfg pin %x for module detect indication\n",
  3743. cfg_pin);
  3744. return -EINVAL;
  3745. }
  3746. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3747. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3748. } else {
  3749. *gpio_num = MISC_REGISTERS_GPIO_3;
  3750. *gpio_port = port;
  3751. }
  3752. return 0;
  3753. }
  3754. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3755. struct link_params *params)
  3756. {
  3757. struct bnx2x *bp = params->bp;
  3758. u8 gpio_num, gpio_port;
  3759. u32 gpio_val;
  3760. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3761. params->shmem_base, params->port,
  3762. &gpio_num, &gpio_port) != 0)
  3763. return 0;
  3764. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3765. /* Call the handling function in case module is detected */
  3766. if (gpio_val == 0)
  3767. return 1;
  3768. else
  3769. return 0;
  3770. }
  3771. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3772. struct link_params *params)
  3773. {
  3774. u16 gp2_status_reg0, lane;
  3775. struct bnx2x *bp = params->bp;
  3776. lane = bnx2x_get_warpcore_lane(phy, params);
  3777. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3778. &gp2_status_reg0);
  3779. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3780. }
  3781. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3782. struct link_params *params,
  3783. struct link_vars *vars)
  3784. {
  3785. struct bnx2x *bp = params->bp;
  3786. u32 serdes_net_if;
  3787. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3788. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3789. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3790. if (!vars->turn_to_run_wc_rt)
  3791. return;
  3792. /* Return if there is no link partner */
  3793. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3794. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3795. return;
  3796. }
  3797. if (vars->rx_tx_asic_rst) {
  3798. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3799. offsetof(struct shmem_region, dev_info.
  3800. port_hw_config[params->port].default_cfg)) &
  3801. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3802. switch (serdes_net_if) {
  3803. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3804. /* Do we get link yet? */
  3805. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3806. &gp_status1);
  3807. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3808. /*10G KR*/
  3809. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3810. DP(NETIF_MSG_LINK,
  3811. "gp_status1 0x%x\n", gp_status1);
  3812. if (lnkup_kr || lnkup) {
  3813. vars->rx_tx_asic_rst = 0;
  3814. DP(NETIF_MSG_LINK,
  3815. "link up, rx_tx_asic_rst 0x%x\n",
  3816. vars->rx_tx_asic_rst);
  3817. } else {
  3818. /* Reset the lane to see if link comes up.*/
  3819. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3820. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3821. /* Restart Autoneg */
  3822. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3823. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3824. vars->rx_tx_asic_rst--;
  3825. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3826. vars->rx_tx_asic_rst);
  3827. }
  3828. break;
  3829. default:
  3830. break;
  3831. }
  3832. } /*params->rx_tx_asic_rst*/
  3833. }
  3834. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3835. struct link_params *params)
  3836. {
  3837. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3838. struct bnx2x *bp = params->bp;
  3839. bnx2x_warpcore_clear_regs(phy, params, lane);
  3840. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3841. SPEED_10000) &&
  3842. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3843. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3844. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3845. } else {
  3846. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3847. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3848. }
  3849. }
  3850. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3851. struct bnx2x_phy *phy,
  3852. u8 tx_en)
  3853. {
  3854. struct bnx2x *bp = params->bp;
  3855. u32 cfg_pin;
  3856. u8 port = params->port;
  3857. cfg_pin = REG_RD(bp, params->shmem_base +
  3858. offsetof(struct shmem_region,
  3859. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3860. PORT_HW_CFG_E3_TX_LASER_MASK;
  3861. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3862. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3863. /* For 20G, the expected pin to be used is 3 pins after the current */
  3864. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3865. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3866. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3867. }
  3868. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3869. struct link_params *params,
  3870. struct link_vars *vars)
  3871. {
  3872. struct bnx2x *bp = params->bp;
  3873. u32 serdes_net_if;
  3874. u8 fiber_mode;
  3875. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3876. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3877. offsetof(struct shmem_region, dev_info.
  3878. port_hw_config[params->port].default_cfg)) &
  3879. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3880. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3881. "serdes_net_if = 0x%x\n",
  3882. vars->line_speed, serdes_net_if);
  3883. bnx2x_set_aer_mmd(params, phy);
  3884. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3885. vars->phy_flags |= PHY_XGXS_FLAG;
  3886. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3887. (phy->req_line_speed &&
  3888. ((phy->req_line_speed == SPEED_100) ||
  3889. (phy->req_line_speed == SPEED_10)))) {
  3890. vars->phy_flags |= PHY_SGMII_FLAG;
  3891. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3892. bnx2x_warpcore_clear_regs(phy, params, lane);
  3893. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3894. } else {
  3895. switch (serdes_net_if) {
  3896. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3897. /* Enable KR Auto Neg */
  3898. if (params->loopback_mode != LOOPBACK_EXT)
  3899. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3900. else {
  3901. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3902. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3903. }
  3904. break;
  3905. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3906. bnx2x_warpcore_clear_regs(phy, params, lane);
  3907. if (vars->line_speed == SPEED_10000) {
  3908. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3909. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3910. } else {
  3911. if (SINGLE_MEDIA_DIRECT(params)) {
  3912. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3913. fiber_mode = 1;
  3914. } else {
  3915. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3916. fiber_mode = 0;
  3917. }
  3918. bnx2x_warpcore_set_sgmii_speed(phy,
  3919. params,
  3920. fiber_mode,
  3921. 0);
  3922. }
  3923. break;
  3924. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3925. /* Issue Module detection if module is plugged, or
  3926. * enabled transmitter to avoid current leakage in case
  3927. * no module is connected
  3928. */
  3929. if (bnx2x_is_sfp_module_plugged(phy, params))
  3930. bnx2x_sfp_module_detection(phy, params);
  3931. else
  3932. bnx2x_sfp_e3_set_transmitter(params, phy, 1);
  3933. bnx2x_warpcore_config_sfi(phy, params);
  3934. break;
  3935. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3936. if (vars->line_speed != SPEED_20000) {
  3937. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3938. return;
  3939. }
  3940. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3941. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3942. /* Issue Module detection */
  3943. bnx2x_sfp_module_detection(phy, params);
  3944. break;
  3945. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3946. if (!params->loopback_mode) {
  3947. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3948. } else {
  3949. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3950. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3951. }
  3952. break;
  3953. default:
  3954. DP(NETIF_MSG_LINK,
  3955. "Unsupported Serdes Net Interface 0x%x\n",
  3956. serdes_net_if);
  3957. return;
  3958. }
  3959. }
  3960. /* Take lane out of reset after configuration is finished */
  3961. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3962. DP(NETIF_MSG_LINK, "Exit config init\n");
  3963. }
  3964. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3965. struct link_params *params)
  3966. {
  3967. struct bnx2x *bp = params->bp;
  3968. u16 val16, lane;
  3969. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3970. bnx2x_set_mdio_emac_per_phy(bp, params);
  3971. bnx2x_set_aer_mmd(params, phy);
  3972. /* Global register */
  3973. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3974. /* Clear loopback settings (if any) */
  3975. /* 10G & 20G */
  3976. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3977. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3978. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3979. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3980. /* Update those 1-copy registers */
  3981. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3982. MDIO_AER_BLOCK_AER_REG, 0);
  3983. /* Enable 1G MDIO (1-copy) */
  3984. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3985. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3986. ~0x10);
  3987. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3988. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3989. lane = bnx2x_get_warpcore_lane(phy, params);
  3990. /* Disable CL36 PCS Tx */
  3991. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3992. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3993. val16 |= (0x11 << lane);
  3994. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3995. val16 |= (0x22 << lane);
  3996. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3997. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3998. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3999. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  4000. val16 &= ~(0x0303 << (lane << 1));
  4001. val16 |= (0x0101 << (lane << 1));
  4002. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  4003. val16 &= ~(0x0c0c << (lane << 1));
  4004. val16 |= (0x0404 << (lane << 1));
  4005. }
  4006. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4007. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  4008. /* Restore AER */
  4009. bnx2x_set_aer_mmd(params, phy);
  4010. }
  4011. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4012. struct link_params *params)
  4013. {
  4014. struct bnx2x *bp = params->bp;
  4015. u16 val16;
  4016. u32 lane;
  4017. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4018. params->loopback_mode, phy->req_line_speed);
  4019. if (phy->req_line_speed < SPEED_10000 ||
  4020. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4021. /* 10/100/1000/20G-KR2 */
  4022. /* Update those 1-copy registers */
  4023. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4024. MDIO_AER_BLOCK_AER_REG, 0);
  4025. /* Enable 1G MDIO (1-copy) */
  4026. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4027. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4028. 0x10);
  4029. /* Set 1G loopback based on lane (1-copy) */
  4030. lane = bnx2x_get_warpcore_lane(phy, params);
  4031. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4032. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4033. val16 |= (1<<lane);
  4034. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4035. val16 |= (2<<lane);
  4036. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4037. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4038. val16);
  4039. /* Switch back to 4-copy registers */
  4040. bnx2x_set_aer_mmd(params, phy);
  4041. } else {
  4042. /* 10G / 20G-DXGXS */
  4043. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4044. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4045. 0x4000);
  4046. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4047. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4048. }
  4049. }
  4050. static void bnx2x_sync_link(struct link_params *params,
  4051. struct link_vars *vars)
  4052. {
  4053. struct bnx2x *bp = params->bp;
  4054. u8 link_10g_plus;
  4055. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4056. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4057. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4058. if (vars->link_up) {
  4059. DP(NETIF_MSG_LINK, "phy link up\n");
  4060. vars->phy_link_up = 1;
  4061. vars->duplex = DUPLEX_FULL;
  4062. switch (vars->link_status &
  4063. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4064. case LINK_10THD:
  4065. vars->duplex = DUPLEX_HALF;
  4066. /* Fall thru */
  4067. case LINK_10TFD:
  4068. vars->line_speed = SPEED_10;
  4069. break;
  4070. case LINK_100TXHD:
  4071. vars->duplex = DUPLEX_HALF;
  4072. /* Fall thru */
  4073. case LINK_100T4:
  4074. case LINK_100TXFD:
  4075. vars->line_speed = SPEED_100;
  4076. break;
  4077. case LINK_1000THD:
  4078. vars->duplex = DUPLEX_HALF;
  4079. /* Fall thru */
  4080. case LINK_1000TFD:
  4081. vars->line_speed = SPEED_1000;
  4082. break;
  4083. case LINK_2500THD:
  4084. vars->duplex = DUPLEX_HALF;
  4085. /* Fall thru */
  4086. case LINK_2500TFD:
  4087. vars->line_speed = SPEED_2500;
  4088. break;
  4089. case LINK_10GTFD:
  4090. vars->line_speed = SPEED_10000;
  4091. break;
  4092. case LINK_20GTFD:
  4093. vars->line_speed = SPEED_20000;
  4094. break;
  4095. default:
  4096. break;
  4097. }
  4098. vars->flow_ctrl = 0;
  4099. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4100. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4101. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4102. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4103. if (!vars->flow_ctrl)
  4104. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4105. if (vars->line_speed &&
  4106. ((vars->line_speed == SPEED_10) ||
  4107. (vars->line_speed == SPEED_100))) {
  4108. vars->phy_flags |= PHY_SGMII_FLAG;
  4109. } else {
  4110. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4111. }
  4112. if (vars->line_speed &&
  4113. USES_WARPCORE(bp) &&
  4114. (vars->line_speed == SPEED_1000))
  4115. vars->phy_flags |= PHY_SGMII_FLAG;
  4116. /* Anything 10 and over uses the bmac */
  4117. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4118. if (link_10g_plus) {
  4119. if (USES_WARPCORE(bp))
  4120. vars->mac_type = MAC_TYPE_XMAC;
  4121. else
  4122. vars->mac_type = MAC_TYPE_BMAC;
  4123. } else {
  4124. if (USES_WARPCORE(bp))
  4125. vars->mac_type = MAC_TYPE_UMAC;
  4126. else
  4127. vars->mac_type = MAC_TYPE_EMAC;
  4128. }
  4129. } else { /* Link down */
  4130. DP(NETIF_MSG_LINK, "phy link down\n");
  4131. vars->phy_link_up = 0;
  4132. vars->line_speed = 0;
  4133. vars->duplex = DUPLEX_FULL;
  4134. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4135. /* Indicate no mac active */
  4136. vars->mac_type = MAC_TYPE_NONE;
  4137. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4138. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4139. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4140. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4141. }
  4142. }
  4143. void bnx2x_link_status_update(struct link_params *params,
  4144. struct link_vars *vars)
  4145. {
  4146. struct bnx2x *bp = params->bp;
  4147. u8 port = params->port;
  4148. u32 sync_offset, media_types;
  4149. /* Update PHY configuration */
  4150. set_phy_vars(params, vars);
  4151. vars->link_status = REG_RD(bp, params->shmem_base +
  4152. offsetof(struct shmem_region,
  4153. port_mb[port].link_status));
  4154. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4155. if (params->loopback_mode != LOOPBACK_NONE &&
  4156. params->loopback_mode != LOOPBACK_EXT)
  4157. vars->link_status |= LINK_STATUS_LINK_UP;
  4158. if (bnx2x_eee_has_cap(params))
  4159. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4160. offsetof(struct shmem2_region,
  4161. eee_status[params->port]));
  4162. vars->phy_flags = PHY_XGXS_FLAG;
  4163. bnx2x_sync_link(params, vars);
  4164. /* Sync media type */
  4165. sync_offset = params->shmem_base +
  4166. offsetof(struct shmem_region,
  4167. dev_info.port_hw_config[port].media_type);
  4168. media_types = REG_RD(bp, sync_offset);
  4169. params->phy[INT_PHY].media_type =
  4170. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4171. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4172. params->phy[EXT_PHY1].media_type =
  4173. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4174. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4175. params->phy[EXT_PHY2].media_type =
  4176. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4177. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4178. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4179. /* Sync AEU offset */
  4180. sync_offset = params->shmem_base +
  4181. offsetof(struct shmem_region,
  4182. dev_info.port_hw_config[port].aeu_int_mask);
  4183. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4184. /* Sync PFC status */
  4185. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4186. params->feature_config_flags |=
  4187. FEATURE_CONFIG_PFC_ENABLED;
  4188. else
  4189. params->feature_config_flags &=
  4190. ~FEATURE_CONFIG_PFC_ENABLED;
  4191. if (SHMEM2_HAS(bp, link_attr_sync))
  4192. vars->link_attr_sync = SHMEM2_RD(bp,
  4193. link_attr_sync[params->port]);
  4194. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4195. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4196. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4197. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4198. }
  4199. static void bnx2x_set_master_ln(struct link_params *params,
  4200. struct bnx2x_phy *phy)
  4201. {
  4202. struct bnx2x *bp = params->bp;
  4203. u16 new_master_ln, ser_lane;
  4204. ser_lane = ((params->lane_config &
  4205. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4206. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4207. /* Set the master_ln for AN */
  4208. CL22_RD_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_XGXS_BLOCK2,
  4210. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4211. &new_master_ln);
  4212. CL22_WR_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4214. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4215. (new_master_ln | ser_lane));
  4216. }
  4217. static int bnx2x_reset_unicore(struct link_params *params,
  4218. struct bnx2x_phy *phy,
  4219. u8 set_serdes)
  4220. {
  4221. struct bnx2x *bp = params->bp;
  4222. u16 mii_control;
  4223. u16 i;
  4224. CL22_RD_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_COMBO_IEEE0,
  4226. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4227. /* Reset the unicore */
  4228. CL22_WR_OVER_CL45(bp, phy,
  4229. MDIO_REG_BANK_COMBO_IEEE0,
  4230. MDIO_COMBO_IEEE0_MII_CONTROL,
  4231. (mii_control |
  4232. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4233. if (set_serdes)
  4234. bnx2x_set_serdes_access(bp, params->port);
  4235. /* Wait for the reset to self clear */
  4236. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4237. udelay(5);
  4238. /* The reset erased the previous bank value */
  4239. CL22_RD_OVER_CL45(bp, phy,
  4240. MDIO_REG_BANK_COMBO_IEEE0,
  4241. MDIO_COMBO_IEEE0_MII_CONTROL,
  4242. &mii_control);
  4243. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4244. udelay(5);
  4245. return 0;
  4246. }
  4247. }
  4248. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4249. " Port %d\n",
  4250. params->port);
  4251. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4252. return -EINVAL;
  4253. }
  4254. static void bnx2x_set_swap_lanes(struct link_params *params,
  4255. struct bnx2x_phy *phy)
  4256. {
  4257. struct bnx2x *bp = params->bp;
  4258. /* Each two bits represents a lane number:
  4259. * No swap is 0123 => 0x1b no need to enable the swap
  4260. */
  4261. u16 rx_lane_swap, tx_lane_swap;
  4262. rx_lane_swap = ((params->lane_config &
  4263. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4264. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4265. tx_lane_swap = ((params->lane_config &
  4266. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4267. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4268. if (rx_lane_swap != 0x1b) {
  4269. CL22_WR_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_XGXS_BLOCK2,
  4271. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4272. (rx_lane_swap |
  4273. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4274. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4275. } else {
  4276. CL22_WR_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_XGXS_BLOCK2,
  4278. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4279. }
  4280. if (tx_lane_swap != 0x1b) {
  4281. CL22_WR_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_XGXS_BLOCK2,
  4283. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4284. (tx_lane_swap |
  4285. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4286. } else {
  4287. CL22_WR_OVER_CL45(bp, phy,
  4288. MDIO_REG_BANK_XGXS_BLOCK2,
  4289. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4290. }
  4291. }
  4292. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4293. struct link_params *params)
  4294. {
  4295. struct bnx2x *bp = params->bp;
  4296. u16 control2;
  4297. CL22_RD_OVER_CL45(bp, phy,
  4298. MDIO_REG_BANK_SERDES_DIGITAL,
  4299. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4300. &control2);
  4301. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4302. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4303. else
  4304. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4305. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4306. phy->speed_cap_mask, control2);
  4307. CL22_WR_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_SERDES_DIGITAL,
  4309. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4310. control2);
  4311. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4312. (phy->speed_cap_mask &
  4313. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4314. DP(NETIF_MSG_LINK, "XGXS\n");
  4315. CL22_WR_OVER_CL45(bp, phy,
  4316. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4317. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4318. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4319. CL22_RD_OVER_CL45(bp, phy,
  4320. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4321. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4322. &control2);
  4323. control2 |=
  4324. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4325. CL22_WR_OVER_CL45(bp, phy,
  4326. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4327. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4328. control2);
  4329. /* Disable parallel detection of HiG */
  4330. CL22_WR_OVER_CL45(bp, phy,
  4331. MDIO_REG_BANK_XGXS_BLOCK2,
  4332. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4333. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4334. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4335. }
  4336. }
  4337. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4338. struct link_params *params,
  4339. struct link_vars *vars,
  4340. u8 enable_cl73)
  4341. {
  4342. struct bnx2x *bp = params->bp;
  4343. u16 reg_val;
  4344. /* CL37 Autoneg */
  4345. CL22_RD_OVER_CL45(bp, phy,
  4346. MDIO_REG_BANK_COMBO_IEEE0,
  4347. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4348. /* CL37 Autoneg Enabled */
  4349. if (vars->line_speed == SPEED_AUTO_NEG)
  4350. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4351. else /* CL37 Autoneg Disabled */
  4352. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4353. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4354. CL22_WR_OVER_CL45(bp, phy,
  4355. MDIO_REG_BANK_COMBO_IEEE0,
  4356. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4357. /* Enable/Disable Autodetection */
  4358. CL22_RD_OVER_CL45(bp, phy,
  4359. MDIO_REG_BANK_SERDES_DIGITAL,
  4360. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4361. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4362. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4363. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4364. if (vars->line_speed == SPEED_AUTO_NEG)
  4365. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4366. else
  4367. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4368. CL22_WR_OVER_CL45(bp, phy,
  4369. MDIO_REG_BANK_SERDES_DIGITAL,
  4370. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4371. /* Enable TetonII and BAM autoneg */
  4372. CL22_RD_OVER_CL45(bp, phy,
  4373. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4374. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4375. &reg_val);
  4376. if (vars->line_speed == SPEED_AUTO_NEG) {
  4377. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4378. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4379. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4380. } else {
  4381. /* TetonII and BAM Autoneg Disabled */
  4382. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4383. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4384. }
  4385. CL22_WR_OVER_CL45(bp, phy,
  4386. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4387. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4388. reg_val);
  4389. if (enable_cl73) {
  4390. /* Enable Cl73 FSM status bits */
  4391. CL22_WR_OVER_CL45(bp, phy,
  4392. MDIO_REG_BANK_CL73_USERB0,
  4393. MDIO_CL73_USERB0_CL73_UCTRL,
  4394. 0xe);
  4395. /* Enable BAM Station Manager*/
  4396. CL22_WR_OVER_CL45(bp, phy,
  4397. MDIO_REG_BANK_CL73_USERB0,
  4398. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4399. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4400. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4401. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4402. /* Advertise CL73 link speeds */
  4403. CL22_RD_OVER_CL45(bp, phy,
  4404. MDIO_REG_BANK_CL73_IEEEB1,
  4405. MDIO_CL73_IEEEB1_AN_ADV2,
  4406. &reg_val);
  4407. if (phy->speed_cap_mask &
  4408. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4409. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4410. if (phy->speed_cap_mask &
  4411. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4412. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4413. CL22_WR_OVER_CL45(bp, phy,
  4414. MDIO_REG_BANK_CL73_IEEEB1,
  4415. MDIO_CL73_IEEEB1_AN_ADV2,
  4416. reg_val);
  4417. /* CL73 Autoneg Enabled */
  4418. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4419. } else /* CL73 Autoneg Disabled */
  4420. reg_val = 0;
  4421. CL22_WR_OVER_CL45(bp, phy,
  4422. MDIO_REG_BANK_CL73_IEEEB0,
  4423. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4424. }
  4425. /* Program SerDes, forced speed */
  4426. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4427. struct link_params *params,
  4428. struct link_vars *vars)
  4429. {
  4430. struct bnx2x *bp = params->bp;
  4431. u16 reg_val;
  4432. /* Program duplex, disable autoneg and sgmii*/
  4433. CL22_RD_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_COMBO_IEEE0,
  4435. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4436. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4437. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4438. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4439. if (phy->req_duplex == DUPLEX_FULL)
  4440. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4441. CL22_WR_OVER_CL45(bp, phy,
  4442. MDIO_REG_BANK_COMBO_IEEE0,
  4443. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4444. /* Program speed
  4445. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4446. */
  4447. CL22_RD_OVER_CL45(bp, phy,
  4448. MDIO_REG_BANK_SERDES_DIGITAL,
  4449. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4450. /* Clearing the speed value before setting the right speed */
  4451. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4452. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4453. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4454. if (!((vars->line_speed == SPEED_1000) ||
  4455. (vars->line_speed == SPEED_100) ||
  4456. (vars->line_speed == SPEED_10))) {
  4457. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4458. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4459. if (vars->line_speed == SPEED_10000)
  4460. reg_val |=
  4461. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4462. }
  4463. CL22_WR_OVER_CL45(bp, phy,
  4464. MDIO_REG_BANK_SERDES_DIGITAL,
  4465. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4466. }
  4467. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4468. struct link_params *params)
  4469. {
  4470. struct bnx2x *bp = params->bp;
  4471. u16 val = 0;
  4472. /* Set extended capabilities */
  4473. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4474. val |= MDIO_OVER_1G_UP1_2_5G;
  4475. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4476. val |= MDIO_OVER_1G_UP1_10G;
  4477. CL22_WR_OVER_CL45(bp, phy,
  4478. MDIO_REG_BANK_OVER_1G,
  4479. MDIO_OVER_1G_UP1, val);
  4480. CL22_WR_OVER_CL45(bp, phy,
  4481. MDIO_REG_BANK_OVER_1G,
  4482. MDIO_OVER_1G_UP3, 0x400);
  4483. }
  4484. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4485. struct link_params *params,
  4486. u16 ieee_fc)
  4487. {
  4488. struct bnx2x *bp = params->bp;
  4489. u16 val;
  4490. /* For AN, we are always publishing full duplex */
  4491. CL22_WR_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_COMBO_IEEE0,
  4493. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4494. CL22_RD_OVER_CL45(bp, phy,
  4495. MDIO_REG_BANK_CL73_IEEEB1,
  4496. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4497. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4498. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4499. CL22_WR_OVER_CL45(bp, phy,
  4500. MDIO_REG_BANK_CL73_IEEEB1,
  4501. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4502. }
  4503. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4504. struct link_params *params,
  4505. u8 enable_cl73)
  4506. {
  4507. struct bnx2x *bp = params->bp;
  4508. u16 mii_control;
  4509. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4510. /* Enable and restart BAM/CL37 aneg */
  4511. if (enable_cl73) {
  4512. CL22_RD_OVER_CL45(bp, phy,
  4513. MDIO_REG_BANK_CL73_IEEEB0,
  4514. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4515. &mii_control);
  4516. CL22_WR_OVER_CL45(bp, phy,
  4517. MDIO_REG_BANK_CL73_IEEEB0,
  4518. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4519. (mii_control |
  4520. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4521. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4522. } else {
  4523. CL22_RD_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_COMBO_IEEE0,
  4525. MDIO_COMBO_IEEE0_MII_CONTROL,
  4526. &mii_control);
  4527. DP(NETIF_MSG_LINK,
  4528. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4529. mii_control);
  4530. CL22_WR_OVER_CL45(bp, phy,
  4531. MDIO_REG_BANK_COMBO_IEEE0,
  4532. MDIO_COMBO_IEEE0_MII_CONTROL,
  4533. (mii_control |
  4534. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4535. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4536. }
  4537. }
  4538. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4539. struct link_params *params,
  4540. struct link_vars *vars)
  4541. {
  4542. struct bnx2x *bp = params->bp;
  4543. u16 control1;
  4544. /* In SGMII mode, the unicore is always slave */
  4545. CL22_RD_OVER_CL45(bp, phy,
  4546. MDIO_REG_BANK_SERDES_DIGITAL,
  4547. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4548. &control1);
  4549. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4550. /* Set sgmii mode (and not fiber) */
  4551. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4552. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4553. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4554. CL22_WR_OVER_CL45(bp, phy,
  4555. MDIO_REG_BANK_SERDES_DIGITAL,
  4556. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4557. control1);
  4558. /* If forced speed */
  4559. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4560. /* Set speed, disable autoneg */
  4561. u16 mii_control;
  4562. CL22_RD_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_COMBO_IEEE0,
  4564. MDIO_COMBO_IEEE0_MII_CONTROL,
  4565. &mii_control);
  4566. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4567. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4568. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4569. switch (vars->line_speed) {
  4570. case SPEED_100:
  4571. mii_control |=
  4572. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4573. break;
  4574. case SPEED_1000:
  4575. mii_control |=
  4576. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4577. break;
  4578. case SPEED_10:
  4579. /* There is nothing to set for 10M */
  4580. break;
  4581. default:
  4582. /* Invalid speed for SGMII */
  4583. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4584. vars->line_speed);
  4585. break;
  4586. }
  4587. /* Setting the full duplex */
  4588. if (phy->req_duplex == DUPLEX_FULL)
  4589. mii_control |=
  4590. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4591. CL22_WR_OVER_CL45(bp, phy,
  4592. MDIO_REG_BANK_COMBO_IEEE0,
  4593. MDIO_COMBO_IEEE0_MII_CONTROL,
  4594. mii_control);
  4595. } else { /* AN mode */
  4596. /* Enable and restart AN */
  4597. bnx2x_restart_autoneg(phy, params, 0);
  4598. }
  4599. }
  4600. /* Link management
  4601. */
  4602. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4603. struct link_params *params)
  4604. {
  4605. struct bnx2x *bp = params->bp;
  4606. u16 pd_10g, status2_1000x;
  4607. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4608. return 0;
  4609. CL22_RD_OVER_CL45(bp, phy,
  4610. MDIO_REG_BANK_SERDES_DIGITAL,
  4611. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4612. &status2_1000x);
  4613. CL22_RD_OVER_CL45(bp, phy,
  4614. MDIO_REG_BANK_SERDES_DIGITAL,
  4615. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4616. &status2_1000x);
  4617. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4618. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4619. params->port);
  4620. return 1;
  4621. }
  4622. CL22_RD_OVER_CL45(bp, phy,
  4623. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4624. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4625. &pd_10g);
  4626. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4627. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4628. params->port);
  4629. return 1;
  4630. }
  4631. return 0;
  4632. }
  4633. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4634. struct link_params *params,
  4635. struct link_vars *vars,
  4636. u32 gp_status)
  4637. {
  4638. u16 ld_pause; /* local driver */
  4639. u16 lp_pause; /* link partner */
  4640. u16 pause_result;
  4641. struct bnx2x *bp = params->bp;
  4642. if ((gp_status &
  4643. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4644. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4645. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4646. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4647. CL22_RD_OVER_CL45(bp, phy,
  4648. MDIO_REG_BANK_CL73_IEEEB1,
  4649. MDIO_CL73_IEEEB1_AN_ADV1,
  4650. &ld_pause);
  4651. CL22_RD_OVER_CL45(bp, phy,
  4652. MDIO_REG_BANK_CL73_IEEEB1,
  4653. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4654. &lp_pause);
  4655. pause_result = (ld_pause &
  4656. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4657. pause_result |= (lp_pause &
  4658. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4659. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4660. } else {
  4661. CL22_RD_OVER_CL45(bp, phy,
  4662. MDIO_REG_BANK_COMBO_IEEE0,
  4663. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4664. &ld_pause);
  4665. CL22_RD_OVER_CL45(bp, phy,
  4666. MDIO_REG_BANK_COMBO_IEEE0,
  4667. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4668. &lp_pause);
  4669. pause_result = (ld_pause &
  4670. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4671. pause_result |= (lp_pause &
  4672. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4673. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4674. }
  4675. bnx2x_pause_resolve(vars, pause_result);
  4676. }
  4677. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4678. struct link_params *params,
  4679. struct link_vars *vars,
  4680. u32 gp_status)
  4681. {
  4682. struct bnx2x *bp = params->bp;
  4683. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4684. /* Resolve from gp_status in case of AN complete and not sgmii */
  4685. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4686. /* Update the advertised flow-controled of LD/LP in AN */
  4687. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4688. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4689. /* But set the flow-control result as the requested one */
  4690. vars->flow_ctrl = phy->req_flow_ctrl;
  4691. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4692. vars->flow_ctrl = params->req_fc_auto_adv;
  4693. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4694. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4695. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4696. vars->flow_ctrl = params->req_fc_auto_adv;
  4697. return;
  4698. }
  4699. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4700. }
  4701. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4702. }
  4703. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4704. struct link_params *params)
  4705. {
  4706. struct bnx2x *bp = params->bp;
  4707. u16 rx_status, ustat_val, cl37_fsm_received;
  4708. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4709. /* Step 1: Make sure signal is detected */
  4710. CL22_RD_OVER_CL45(bp, phy,
  4711. MDIO_REG_BANK_RX0,
  4712. MDIO_RX0_RX_STATUS,
  4713. &rx_status);
  4714. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4715. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4716. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4717. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4718. CL22_WR_OVER_CL45(bp, phy,
  4719. MDIO_REG_BANK_CL73_IEEEB0,
  4720. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4721. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4722. return;
  4723. }
  4724. /* Step 2: Check CL73 state machine */
  4725. CL22_RD_OVER_CL45(bp, phy,
  4726. MDIO_REG_BANK_CL73_USERB0,
  4727. MDIO_CL73_USERB0_CL73_USTAT1,
  4728. &ustat_val);
  4729. if ((ustat_val &
  4730. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4731. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4732. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4733. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4734. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4735. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4736. return;
  4737. }
  4738. /* Step 3: Check CL37 Message Pages received to indicate LP
  4739. * supports only CL37
  4740. */
  4741. CL22_RD_OVER_CL45(bp, phy,
  4742. MDIO_REG_BANK_REMOTE_PHY,
  4743. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4744. &cl37_fsm_received);
  4745. if ((cl37_fsm_received &
  4746. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4747. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4748. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4749. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4750. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4751. "misc_rx_status(0x8330) = 0x%x\n",
  4752. cl37_fsm_received);
  4753. return;
  4754. }
  4755. /* The combined cl37/cl73 fsm state information indicating that
  4756. * we are connected to a device which does not support cl73, but
  4757. * does support cl37 BAM. In this case we disable cl73 and
  4758. * restart cl37 auto-neg
  4759. */
  4760. /* Disable CL73 */
  4761. CL22_WR_OVER_CL45(bp, phy,
  4762. MDIO_REG_BANK_CL73_IEEEB0,
  4763. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4764. 0);
  4765. /* Restart CL37 autoneg */
  4766. bnx2x_restart_autoneg(phy, params, 0);
  4767. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4768. }
  4769. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4770. struct link_params *params,
  4771. struct link_vars *vars,
  4772. u32 gp_status)
  4773. {
  4774. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4775. vars->link_status |=
  4776. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4777. if (bnx2x_direct_parallel_detect_used(phy, params))
  4778. vars->link_status |=
  4779. LINK_STATUS_PARALLEL_DETECTION_USED;
  4780. }
  4781. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4782. struct link_params *params,
  4783. struct link_vars *vars,
  4784. u16 is_link_up,
  4785. u16 speed_mask,
  4786. u16 is_duplex)
  4787. {
  4788. struct bnx2x *bp = params->bp;
  4789. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4790. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4791. if (is_link_up) {
  4792. DP(NETIF_MSG_LINK, "phy link up\n");
  4793. vars->phy_link_up = 1;
  4794. vars->link_status |= LINK_STATUS_LINK_UP;
  4795. switch (speed_mask) {
  4796. case GP_STATUS_10M:
  4797. vars->line_speed = SPEED_10;
  4798. if (is_duplex == DUPLEX_FULL)
  4799. vars->link_status |= LINK_10TFD;
  4800. else
  4801. vars->link_status |= LINK_10THD;
  4802. break;
  4803. case GP_STATUS_100M:
  4804. vars->line_speed = SPEED_100;
  4805. if (is_duplex == DUPLEX_FULL)
  4806. vars->link_status |= LINK_100TXFD;
  4807. else
  4808. vars->link_status |= LINK_100TXHD;
  4809. break;
  4810. case GP_STATUS_1G:
  4811. case GP_STATUS_1G_KX:
  4812. vars->line_speed = SPEED_1000;
  4813. if (is_duplex == DUPLEX_FULL)
  4814. vars->link_status |= LINK_1000TFD;
  4815. else
  4816. vars->link_status |= LINK_1000THD;
  4817. break;
  4818. case GP_STATUS_2_5G:
  4819. vars->line_speed = SPEED_2500;
  4820. if (is_duplex == DUPLEX_FULL)
  4821. vars->link_status |= LINK_2500TFD;
  4822. else
  4823. vars->link_status |= LINK_2500THD;
  4824. break;
  4825. case GP_STATUS_5G:
  4826. case GP_STATUS_6G:
  4827. DP(NETIF_MSG_LINK,
  4828. "link speed unsupported gp_status 0x%x\n",
  4829. speed_mask);
  4830. return -EINVAL;
  4831. case GP_STATUS_10G_KX4:
  4832. case GP_STATUS_10G_HIG:
  4833. case GP_STATUS_10G_CX4:
  4834. case GP_STATUS_10G_KR:
  4835. case GP_STATUS_10G_SFI:
  4836. case GP_STATUS_10G_XFI:
  4837. vars->line_speed = SPEED_10000;
  4838. vars->link_status |= LINK_10GTFD;
  4839. break;
  4840. case GP_STATUS_20G_DXGXS:
  4841. case GP_STATUS_20G_KR2:
  4842. vars->line_speed = SPEED_20000;
  4843. vars->link_status |= LINK_20GTFD;
  4844. break;
  4845. default:
  4846. DP(NETIF_MSG_LINK,
  4847. "link speed unsupported gp_status 0x%x\n",
  4848. speed_mask);
  4849. return -EINVAL;
  4850. }
  4851. } else { /* link_down */
  4852. DP(NETIF_MSG_LINK, "phy link down\n");
  4853. vars->phy_link_up = 0;
  4854. vars->duplex = DUPLEX_FULL;
  4855. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4856. vars->mac_type = MAC_TYPE_NONE;
  4857. }
  4858. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4859. vars->phy_link_up, vars->line_speed);
  4860. return 0;
  4861. }
  4862. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4863. struct link_params *params,
  4864. struct link_vars *vars)
  4865. {
  4866. struct bnx2x *bp = params->bp;
  4867. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4868. int rc = 0;
  4869. /* Read gp_status */
  4870. CL22_RD_OVER_CL45(bp, phy,
  4871. MDIO_REG_BANK_GP_STATUS,
  4872. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4873. &gp_status);
  4874. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4875. duplex = DUPLEX_FULL;
  4876. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4877. link_up = 1;
  4878. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4879. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4880. gp_status, link_up, speed_mask);
  4881. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4882. duplex);
  4883. if (rc == -EINVAL)
  4884. return rc;
  4885. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4886. if (SINGLE_MEDIA_DIRECT(params)) {
  4887. vars->duplex = duplex;
  4888. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4889. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4890. bnx2x_xgxs_an_resolve(phy, params, vars,
  4891. gp_status);
  4892. }
  4893. } else { /* Link_down */
  4894. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4895. SINGLE_MEDIA_DIRECT(params)) {
  4896. /* Check signal is detected */
  4897. bnx2x_check_fallback_to_cl37(phy, params);
  4898. }
  4899. }
  4900. /* Read LP advertised speeds*/
  4901. if (SINGLE_MEDIA_DIRECT(params) &&
  4902. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4903. u16 val;
  4904. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4905. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4906. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4907. vars->link_status |=
  4908. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4909. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4910. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4911. vars->link_status |=
  4912. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4913. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4914. MDIO_OVER_1G_LP_UP1, &val);
  4915. if (val & MDIO_OVER_1G_UP1_2_5G)
  4916. vars->link_status |=
  4917. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4918. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4919. vars->link_status |=
  4920. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4921. }
  4922. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4923. vars->duplex, vars->flow_ctrl, vars->link_status);
  4924. return rc;
  4925. }
  4926. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4927. struct link_params *params,
  4928. struct link_vars *vars)
  4929. {
  4930. struct bnx2x *bp = params->bp;
  4931. u8 lane;
  4932. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4933. int rc = 0;
  4934. lane = bnx2x_get_warpcore_lane(phy, params);
  4935. /* Read gp_status */
  4936. if ((params->loopback_mode) &&
  4937. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4938. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4939. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4940. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4941. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4942. link_up &= 0x1;
  4943. } else if ((phy->req_line_speed > SPEED_10000) &&
  4944. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4945. u16 temp_link_up;
  4946. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4947. 1, &temp_link_up);
  4948. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4949. 1, &link_up);
  4950. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4951. temp_link_up, link_up);
  4952. link_up &= (1<<2);
  4953. if (link_up)
  4954. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4955. } else {
  4956. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4957. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4958. &gp_status1);
  4959. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4960. /* Check for either KR, 1G, or AN up. */
  4961. link_up = ((gp_status1 >> 8) |
  4962. (gp_status1 >> 12) |
  4963. (gp_status1)) &
  4964. (1 << lane);
  4965. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4966. u16 an_link;
  4967. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4968. MDIO_AN_REG_STATUS, &an_link);
  4969. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4970. MDIO_AN_REG_STATUS, &an_link);
  4971. link_up |= (an_link & (1<<2));
  4972. }
  4973. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4974. u16 pd, gp_status4;
  4975. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4976. /* Check Autoneg complete */
  4977. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4978. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4979. &gp_status4);
  4980. if (gp_status4 & ((1<<12)<<lane))
  4981. vars->link_status |=
  4982. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4983. /* Check parallel detect used */
  4984. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4985. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4986. &pd);
  4987. if (pd & (1<<15))
  4988. vars->link_status |=
  4989. LINK_STATUS_PARALLEL_DETECTION_USED;
  4990. }
  4991. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4992. vars->duplex = duplex;
  4993. }
  4994. }
  4995. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4996. SINGLE_MEDIA_DIRECT(params)) {
  4997. u16 val;
  4998. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4999. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  5000. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  5001. vars->link_status |=
  5002. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  5003. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  5004. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  5005. vars->link_status |=
  5006. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5007. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5008. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  5009. if (val & MDIO_OVER_1G_UP1_2_5G)
  5010. vars->link_status |=
  5011. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5012. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5013. vars->link_status |=
  5014. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5015. }
  5016. if (lane < 2) {
  5017. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5018. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5019. } else {
  5020. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5021. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5022. }
  5023. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5024. if ((lane & 1) == 0)
  5025. gp_speed <<= 8;
  5026. gp_speed &= 0x3f00;
  5027. link_up = !!link_up;
  5028. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5029. duplex);
  5030. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5031. vars->duplex, vars->flow_ctrl, vars->link_status);
  5032. return rc;
  5033. }
  5034. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5035. {
  5036. struct bnx2x *bp = params->bp;
  5037. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5038. u16 lp_up2;
  5039. u16 tx_driver;
  5040. u16 bank;
  5041. /* Read precomp */
  5042. CL22_RD_OVER_CL45(bp, phy,
  5043. MDIO_REG_BANK_OVER_1G,
  5044. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5045. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5046. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5047. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5048. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5049. if (lp_up2 == 0)
  5050. return;
  5051. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5052. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5053. CL22_RD_OVER_CL45(bp, phy,
  5054. bank,
  5055. MDIO_TX0_TX_DRIVER, &tx_driver);
  5056. /* Replace tx_driver bits [15:12] */
  5057. if (lp_up2 !=
  5058. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5059. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5060. tx_driver |= lp_up2;
  5061. CL22_WR_OVER_CL45(bp, phy,
  5062. bank,
  5063. MDIO_TX0_TX_DRIVER, tx_driver);
  5064. }
  5065. }
  5066. }
  5067. static int bnx2x_emac_program(struct link_params *params,
  5068. struct link_vars *vars)
  5069. {
  5070. struct bnx2x *bp = params->bp;
  5071. u8 port = params->port;
  5072. u16 mode = 0;
  5073. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5074. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5075. EMAC_REG_EMAC_MODE,
  5076. (EMAC_MODE_25G_MODE |
  5077. EMAC_MODE_PORT_MII_10M |
  5078. EMAC_MODE_HALF_DUPLEX));
  5079. switch (vars->line_speed) {
  5080. case SPEED_10:
  5081. mode |= EMAC_MODE_PORT_MII_10M;
  5082. break;
  5083. case SPEED_100:
  5084. mode |= EMAC_MODE_PORT_MII;
  5085. break;
  5086. case SPEED_1000:
  5087. mode |= EMAC_MODE_PORT_GMII;
  5088. break;
  5089. case SPEED_2500:
  5090. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5091. break;
  5092. default:
  5093. /* 10G not valid for EMAC */
  5094. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5095. vars->line_speed);
  5096. return -EINVAL;
  5097. }
  5098. if (vars->duplex == DUPLEX_HALF)
  5099. mode |= EMAC_MODE_HALF_DUPLEX;
  5100. bnx2x_bits_en(bp,
  5101. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5102. mode);
  5103. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5104. return 0;
  5105. }
  5106. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5107. struct link_params *params)
  5108. {
  5109. u16 bank, i = 0;
  5110. struct bnx2x *bp = params->bp;
  5111. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5112. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5113. CL22_WR_OVER_CL45(bp, phy,
  5114. bank,
  5115. MDIO_RX0_RX_EQ_BOOST,
  5116. phy->rx_preemphasis[i]);
  5117. }
  5118. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5119. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5120. CL22_WR_OVER_CL45(bp, phy,
  5121. bank,
  5122. MDIO_TX0_TX_DRIVER,
  5123. phy->tx_preemphasis[i]);
  5124. }
  5125. }
  5126. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5127. struct link_params *params,
  5128. struct link_vars *vars)
  5129. {
  5130. struct bnx2x *bp = params->bp;
  5131. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5132. (params->loopback_mode == LOOPBACK_XGXS));
  5133. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5134. if (SINGLE_MEDIA_DIRECT(params) &&
  5135. (params->feature_config_flags &
  5136. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5137. bnx2x_set_preemphasis(phy, params);
  5138. /* Forced speed requested? */
  5139. if (vars->line_speed != SPEED_AUTO_NEG ||
  5140. (SINGLE_MEDIA_DIRECT(params) &&
  5141. params->loopback_mode == LOOPBACK_EXT)) {
  5142. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5143. /* Disable autoneg */
  5144. bnx2x_set_autoneg(phy, params, vars, 0);
  5145. /* Program speed and duplex */
  5146. bnx2x_program_serdes(phy, params, vars);
  5147. } else { /* AN_mode */
  5148. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5149. /* AN enabled */
  5150. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5151. /* Program duplex & pause advertisement (for aneg) */
  5152. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5153. vars->ieee_fc);
  5154. /* Enable autoneg */
  5155. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5156. /* Enable and restart AN */
  5157. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5158. }
  5159. } else { /* SGMII mode */
  5160. DP(NETIF_MSG_LINK, "SGMII\n");
  5161. bnx2x_initialize_sgmii_process(phy, params, vars);
  5162. }
  5163. }
  5164. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5165. struct link_params *params,
  5166. struct link_vars *vars)
  5167. {
  5168. int rc;
  5169. vars->phy_flags |= PHY_XGXS_FLAG;
  5170. if ((phy->req_line_speed &&
  5171. ((phy->req_line_speed == SPEED_100) ||
  5172. (phy->req_line_speed == SPEED_10))) ||
  5173. (!phy->req_line_speed &&
  5174. (phy->speed_cap_mask >=
  5175. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5176. (phy->speed_cap_mask <
  5177. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5178. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5179. vars->phy_flags |= PHY_SGMII_FLAG;
  5180. else
  5181. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5182. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5183. bnx2x_set_aer_mmd(params, phy);
  5184. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5185. bnx2x_set_master_ln(params, phy);
  5186. rc = bnx2x_reset_unicore(params, phy, 0);
  5187. /* Reset the SerDes and wait for reset bit return low */
  5188. if (rc)
  5189. return rc;
  5190. bnx2x_set_aer_mmd(params, phy);
  5191. /* Setting the masterLn_def again after the reset */
  5192. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5193. bnx2x_set_master_ln(params, phy);
  5194. bnx2x_set_swap_lanes(params, phy);
  5195. }
  5196. return rc;
  5197. }
  5198. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5199. struct bnx2x_phy *phy,
  5200. struct link_params *params)
  5201. {
  5202. u16 cnt, ctrl;
  5203. /* Wait for soft reset to get cleared up to 1 sec */
  5204. for (cnt = 0; cnt < 1000; cnt++) {
  5205. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5206. bnx2x_cl22_read(bp, phy,
  5207. MDIO_PMA_REG_CTRL, &ctrl);
  5208. else
  5209. bnx2x_cl45_read(bp, phy,
  5210. MDIO_PMA_DEVAD,
  5211. MDIO_PMA_REG_CTRL, &ctrl);
  5212. if (!(ctrl & (1<<15)))
  5213. break;
  5214. usleep_range(1000, 2000);
  5215. }
  5216. if (cnt == 1000)
  5217. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5218. " Port %d\n",
  5219. params->port);
  5220. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5221. return cnt;
  5222. }
  5223. static void bnx2x_link_int_enable(struct link_params *params)
  5224. {
  5225. u8 port = params->port;
  5226. u32 mask;
  5227. struct bnx2x *bp = params->bp;
  5228. /* Setting the status to report on link up for either XGXS or SerDes */
  5229. if (CHIP_IS_E3(bp)) {
  5230. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5231. if (!(SINGLE_MEDIA_DIRECT(params)))
  5232. mask |= NIG_MASK_MI_INT;
  5233. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5234. mask = (NIG_MASK_XGXS0_LINK10G |
  5235. NIG_MASK_XGXS0_LINK_STATUS);
  5236. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5237. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5238. params->phy[INT_PHY].type !=
  5239. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5240. mask |= NIG_MASK_MI_INT;
  5241. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5242. }
  5243. } else { /* SerDes */
  5244. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5245. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5246. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5247. params->phy[INT_PHY].type !=
  5248. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5249. mask |= NIG_MASK_MI_INT;
  5250. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5251. }
  5252. }
  5253. bnx2x_bits_en(bp,
  5254. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5255. mask);
  5256. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5257. (params->switch_cfg == SWITCH_CFG_10G),
  5258. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5259. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5260. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5261. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5262. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5263. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5264. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5265. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5266. }
  5267. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5268. u8 exp_mi_int)
  5269. {
  5270. u32 latch_status = 0;
  5271. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5272. * status register. Link down indication is high-active-signal,
  5273. * so in this case we need to write the status to clear the XOR
  5274. */
  5275. /* Read Latched signals */
  5276. latch_status = REG_RD(bp,
  5277. NIG_REG_LATCH_STATUS_0 + port*8);
  5278. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5279. /* Handle only those with latched-signal=up.*/
  5280. if (exp_mi_int)
  5281. bnx2x_bits_en(bp,
  5282. NIG_REG_STATUS_INTERRUPT_PORT0
  5283. + port*4,
  5284. NIG_STATUS_EMAC0_MI_INT);
  5285. else
  5286. bnx2x_bits_dis(bp,
  5287. NIG_REG_STATUS_INTERRUPT_PORT0
  5288. + port*4,
  5289. NIG_STATUS_EMAC0_MI_INT);
  5290. if (latch_status & 1) {
  5291. /* For all latched-signal=up : Re-Arm Latch signals */
  5292. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5293. (latch_status & 0xfffe) | (latch_status & 1));
  5294. }
  5295. /* For all latched-signal=up,Write original_signal to status */
  5296. }
  5297. static void bnx2x_link_int_ack(struct link_params *params,
  5298. struct link_vars *vars, u8 is_10g_plus)
  5299. {
  5300. struct bnx2x *bp = params->bp;
  5301. u8 port = params->port;
  5302. u32 mask;
  5303. /* First reset all status we assume only one line will be
  5304. * change at a time
  5305. */
  5306. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5307. (NIG_STATUS_XGXS0_LINK10G |
  5308. NIG_STATUS_XGXS0_LINK_STATUS |
  5309. NIG_STATUS_SERDES0_LINK_STATUS));
  5310. if (vars->phy_link_up) {
  5311. if (USES_WARPCORE(bp))
  5312. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5313. else {
  5314. if (is_10g_plus)
  5315. mask = NIG_STATUS_XGXS0_LINK10G;
  5316. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5317. /* Disable the link interrupt by writing 1 to
  5318. * the relevant lane in the status register
  5319. */
  5320. u32 ser_lane =
  5321. ((params->lane_config &
  5322. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5323. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5324. mask = ((1 << ser_lane) <<
  5325. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5326. } else
  5327. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5328. }
  5329. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5330. mask);
  5331. bnx2x_bits_en(bp,
  5332. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5333. mask);
  5334. }
  5335. }
  5336. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5337. {
  5338. u8 *str_ptr = str;
  5339. u32 mask = 0xf0000000;
  5340. u8 shift = 8*4;
  5341. u8 digit;
  5342. u8 remove_leading_zeros = 1;
  5343. if (*len < 10) {
  5344. /* Need more than 10chars for this format */
  5345. *str_ptr = '\0';
  5346. (*len)--;
  5347. return -EINVAL;
  5348. }
  5349. while (shift > 0) {
  5350. shift -= 4;
  5351. digit = ((num & mask) >> shift);
  5352. if (digit == 0 && remove_leading_zeros) {
  5353. mask = mask >> 4;
  5354. continue;
  5355. } else if (digit < 0xa)
  5356. *str_ptr = digit + '0';
  5357. else
  5358. *str_ptr = digit - 0xa + 'a';
  5359. remove_leading_zeros = 0;
  5360. str_ptr++;
  5361. (*len)--;
  5362. mask = mask >> 4;
  5363. if (shift == 4*4) {
  5364. *str_ptr = '.';
  5365. str_ptr++;
  5366. (*len)--;
  5367. remove_leading_zeros = 1;
  5368. }
  5369. }
  5370. return 0;
  5371. }
  5372. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5373. {
  5374. str[0] = '\0';
  5375. (*len)--;
  5376. return 0;
  5377. }
  5378. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5379. u16 len)
  5380. {
  5381. struct bnx2x *bp;
  5382. u32 spirom_ver = 0;
  5383. int status = 0;
  5384. u8 *ver_p = version;
  5385. u16 remain_len = len;
  5386. if (version == NULL || params == NULL)
  5387. return -EINVAL;
  5388. bp = params->bp;
  5389. /* Extract first external phy*/
  5390. version[0] = '\0';
  5391. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5392. if (params->phy[EXT_PHY1].format_fw_ver) {
  5393. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5394. ver_p,
  5395. &remain_len);
  5396. ver_p += (len - remain_len);
  5397. }
  5398. if ((params->num_phys == MAX_PHYS) &&
  5399. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5400. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5401. if (params->phy[EXT_PHY2].format_fw_ver) {
  5402. *ver_p = '/';
  5403. ver_p++;
  5404. remain_len--;
  5405. status |= params->phy[EXT_PHY2].format_fw_ver(
  5406. spirom_ver,
  5407. ver_p,
  5408. &remain_len);
  5409. ver_p = version + (len - remain_len);
  5410. }
  5411. }
  5412. *ver_p = '\0';
  5413. return status;
  5414. }
  5415. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5416. struct link_params *params)
  5417. {
  5418. u8 port = params->port;
  5419. struct bnx2x *bp = params->bp;
  5420. if (phy->req_line_speed != SPEED_1000) {
  5421. u32 md_devad = 0;
  5422. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5423. if (!CHIP_IS_E3(bp)) {
  5424. /* Change the uni_phy_addr in the nig */
  5425. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5426. port*0x18));
  5427. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5428. 0x5);
  5429. }
  5430. bnx2x_cl45_write(bp, phy,
  5431. 5,
  5432. (MDIO_REG_BANK_AER_BLOCK +
  5433. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5434. 0x2800);
  5435. bnx2x_cl45_write(bp, phy,
  5436. 5,
  5437. (MDIO_REG_BANK_CL73_IEEEB0 +
  5438. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5439. 0x6041);
  5440. msleep(200);
  5441. /* Set aer mmd back */
  5442. bnx2x_set_aer_mmd(params, phy);
  5443. if (!CHIP_IS_E3(bp)) {
  5444. /* And md_devad */
  5445. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5446. md_devad);
  5447. }
  5448. } else {
  5449. u16 mii_ctrl;
  5450. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5451. bnx2x_cl45_read(bp, phy, 5,
  5452. (MDIO_REG_BANK_COMBO_IEEE0 +
  5453. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5454. &mii_ctrl);
  5455. bnx2x_cl45_write(bp, phy, 5,
  5456. (MDIO_REG_BANK_COMBO_IEEE0 +
  5457. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5458. mii_ctrl |
  5459. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5460. }
  5461. }
  5462. int bnx2x_set_led(struct link_params *params,
  5463. struct link_vars *vars, u8 mode, u32 speed)
  5464. {
  5465. u8 port = params->port;
  5466. u16 hw_led_mode = params->hw_led_mode;
  5467. int rc = 0;
  5468. u8 phy_idx;
  5469. u32 tmp;
  5470. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5471. struct bnx2x *bp = params->bp;
  5472. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5473. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5474. speed, hw_led_mode);
  5475. /* In case */
  5476. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5477. if (params->phy[phy_idx].set_link_led) {
  5478. params->phy[phy_idx].set_link_led(
  5479. &params->phy[phy_idx], params, mode);
  5480. }
  5481. }
  5482. switch (mode) {
  5483. case LED_MODE_FRONT_PANEL_OFF:
  5484. case LED_MODE_OFF:
  5485. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5486. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5487. SHARED_HW_CFG_LED_MAC1);
  5488. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5489. if (params->phy[EXT_PHY1].type ==
  5490. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5491. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5492. EMAC_LED_100MB_OVERRIDE |
  5493. EMAC_LED_10MB_OVERRIDE);
  5494. else
  5495. tmp |= EMAC_LED_OVERRIDE;
  5496. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5497. break;
  5498. case LED_MODE_OPER:
  5499. /* For all other phys, OPER mode is same as ON, so in case
  5500. * link is down, do nothing
  5501. */
  5502. if (!vars->link_up)
  5503. break;
  5504. case LED_MODE_ON:
  5505. if (((params->phy[EXT_PHY1].type ==
  5506. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5507. (params->phy[EXT_PHY1].type ==
  5508. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5509. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5510. /* This is a work-around for E2+8727 Configurations */
  5511. if (mode == LED_MODE_ON ||
  5512. speed == SPEED_10000){
  5513. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5514. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5515. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5516. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5517. (tmp | EMAC_LED_OVERRIDE));
  5518. /* Return here without enabling traffic
  5519. * LED blink and setting rate in ON mode.
  5520. * In oper mode, enabling LED blink
  5521. * and setting rate is needed.
  5522. */
  5523. if (mode == LED_MODE_ON)
  5524. return rc;
  5525. }
  5526. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5527. /* This is a work-around for HW issue found when link
  5528. * is up in CL73
  5529. */
  5530. if ((!CHIP_IS_E3(bp)) ||
  5531. (CHIP_IS_E3(bp) &&
  5532. mode == LED_MODE_ON))
  5533. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5534. if (CHIP_IS_E1x(bp) ||
  5535. CHIP_IS_E2(bp) ||
  5536. (mode == LED_MODE_ON))
  5537. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5538. else
  5539. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5540. hw_led_mode);
  5541. } else if ((params->phy[EXT_PHY1].type ==
  5542. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5543. (mode == LED_MODE_ON)) {
  5544. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5545. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5546. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5547. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5548. /* Break here; otherwise, it'll disable the
  5549. * intended override.
  5550. */
  5551. break;
  5552. } else
  5553. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5554. hw_led_mode);
  5555. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5556. /* Set blinking rate to ~15.9Hz */
  5557. if (CHIP_IS_E3(bp))
  5558. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5559. LED_BLINK_RATE_VAL_E3);
  5560. else
  5561. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5562. LED_BLINK_RATE_VAL_E1X_E2);
  5563. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5564. port*4, 1);
  5565. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5566. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5567. (tmp & (~EMAC_LED_OVERRIDE)));
  5568. if (CHIP_IS_E1(bp) &&
  5569. ((speed == SPEED_2500) ||
  5570. (speed == SPEED_1000) ||
  5571. (speed == SPEED_100) ||
  5572. (speed == SPEED_10))) {
  5573. /* For speeds less than 10G LED scheme is different */
  5574. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5575. + port*4, 1);
  5576. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5577. port*4, 0);
  5578. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5579. port*4, 1);
  5580. }
  5581. break;
  5582. default:
  5583. rc = -EINVAL;
  5584. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5585. mode);
  5586. break;
  5587. }
  5588. return rc;
  5589. }
  5590. /* This function comes to reflect the actual link state read DIRECTLY from the
  5591. * HW
  5592. */
  5593. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5594. u8 is_serdes)
  5595. {
  5596. struct bnx2x *bp = params->bp;
  5597. u16 gp_status = 0, phy_index = 0;
  5598. u8 ext_phy_link_up = 0, serdes_phy_type;
  5599. struct link_vars temp_vars;
  5600. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5601. if (CHIP_IS_E3(bp)) {
  5602. u16 link_up;
  5603. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5604. > SPEED_10000) {
  5605. /* Check 20G link */
  5606. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5607. 1, &link_up);
  5608. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5609. 1, &link_up);
  5610. link_up &= (1<<2);
  5611. } else {
  5612. /* Check 10G link and below*/
  5613. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5614. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5615. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5616. &gp_status);
  5617. gp_status = ((gp_status >> 8) & 0xf) |
  5618. ((gp_status >> 12) & 0xf);
  5619. link_up = gp_status & (1 << lane);
  5620. }
  5621. if (!link_up)
  5622. return -ESRCH;
  5623. } else {
  5624. CL22_RD_OVER_CL45(bp, int_phy,
  5625. MDIO_REG_BANK_GP_STATUS,
  5626. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5627. &gp_status);
  5628. /* Link is up only if both local phy and external phy are up */
  5629. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5630. return -ESRCH;
  5631. }
  5632. /* In XGXS loopback mode, do not check external PHY */
  5633. if (params->loopback_mode == LOOPBACK_XGXS)
  5634. return 0;
  5635. switch (params->num_phys) {
  5636. case 1:
  5637. /* No external PHY */
  5638. return 0;
  5639. case 2:
  5640. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5641. &params->phy[EXT_PHY1],
  5642. params, &temp_vars);
  5643. break;
  5644. case 3: /* Dual Media */
  5645. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5646. phy_index++) {
  5647. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5648. ETH_PHY_SFPP_10G_FIBER) ||
  5649. (params->phy[phy_index].media_type ==
  5650. ETH_PHY_SFP_1G_FIBER) ||
  5651. (params->phy[phy_index].media_type ==
  5652. ETH_PHY_XFP_FIBER) ||
  5653. (params->phy[phy_index].media_type ==
  5654. ETH_PHY_DA_TWINAX));
  5655. if (is_serdes != serdes_phy_type)
  5656. continue;
  5657. if (params->phy[phy_index].read_status) {
  5658. ext_phy_link_up |=
  5659. params->phy[phy_index].read_status(
  5660. &params->phy[phy_index],
  5661. params, &temp_vars);
  5662. }
  5663. }
  5664. break;
  5665. }
  5666. if (ext_phy_link_up)
  5667. return 0;
  5668. return -ESRCH;
  5669. }
  5670. static int bnx2x_link_initialize(struct link_params *params,
  5671. struct link_vars *vars)
  5672. {
  5673. int rc = 0;
  5674. u8 phy_index, non_ext_phy;
  5675. struct bnx2x *bp = params->bp;
  5676. /* In case of external phy existence, the line speed would be the
  5677. * line speed linked up by the external phy. In case it is direct
  5678. * only, then the line_speed during initialization will be
  5679. * equal to the req_line_speed
  5680. */
  5681. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5682. /* Initialize the internal phy in case this is a direct board
  5683. * (no external phys), or this board has external phy which requires
  5684. * to first.
  5685. */
  5686. if (!USES_WARPCORE(bp))
  5687. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5688. /* init ext phy and enable link state int */
  5689. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5690. (params->loopback_mode == LOOPBACK_XGXS));
  5691. if (non_ext_phy ||
  5692. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5693. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5694. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5695. if (vars->line_speed == SPEED_AUTO_NEG &&
  5696. (CHIP_IS_E1x(bp) ||
  5697. CHIP_IS_E2(bp)))
  5698. bnx2x_set_parallel_detection(phy, params);
  5699. if (params->phy[INT_PHY].config_init)
  5700. params->phy[INT_PHY].config_init(phy,
  5701. params,
  5702. vars);
  5703. }
  5704. /* Init external phy*/
  5705. if (non_ext_phy) {
  5706. if (params->phy[INT_PHY].supported &
  5707. SUPPORTED_FIBRE)
  5708. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5709. } else {
  5710. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5711. phy_index++) {
  5712. /* No need to initialize second phy in case of first
  5713. * phy only selection. In case of second phy, we do
  5714. * need to initialize the first phy, since they are
  5715. * connected.
  5716. */
  5717. if (params->phy[phy_index].supported &
  5718. SUPPORTED_FIBRE)
  5719. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5720. if (phy_index == EXT_PHY2 &&
  5721. (bnx2x_phy_selection(params) ==
  5722. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5723. DP(NETIF_MSG_LINK,
  5724. "Not initializing second phy\n");
  5725. continue;
  5726. }
  5727. params->phy[phy_index].config_init(
  5728. &params->phy[phy_index],
  5729. params, vars);
  5730. }
  5731. }
  5732. /* Reset the interrupt indication after phy was initialized */
  5733. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5734. params->port*4,
  5735. (NIG_STATUS_XGXS0_LINK10G |
  5736. NIG_STATUS_XGXS0_LINK_STATUS |
  5737. NIG_STATUS_SERDES0_LINK_STATUS |
  5738. NIG_MASK_MI_INT));
  5739. return rc;
  5740. }
  5741. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5742. struct link_params *params)
  5743. {
  5744. /* Reset the SerDes/XGXS */
  5745. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5746. (0x1ff << (params->port*16)));
  5747. }
  5748. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5749. struct link_params *params)
  5750. {
  5751. struct bnx2x *bp = params->bp;
  5752. u8 gpio_port;
  5753. /* HW reset */
  5754. if (CHIP_IS_E2(bp))
  5755. gpio_port = BP_PATH(bp);
  5756. else
  5757. gpio_port = params->port;
  5758. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5759. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5760. gpio_port);
  5761. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5762. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5763. gpio_port);
  5764. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5765. }
  5766. static int bnx2x_update_link_down(struct link_params *params,
  5767. struct link_vars *vars)
  5768. {
  5769. struct bnx2x *bp = params->bp;
  5770. u8 port = params->port;
  5771. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5772. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5773. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5774. /* Indicate no mac active */
  5775. vars->mac_type = MAC_TYPE_NONE;
  5776. /* Update shared memory */
  5777. vars->link_status &= ~LINK_UPDATE_MASK;
  5778. vars->line_speed = 0;
  5779. bnx2x_update_mng(params, vars->link_status);
  5780. /* Activate nig drain */
  5781. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5782. /* Disable emac */
  5783. if (!CHIP_IS_E3(bp))
  5784. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5785. usleep_range(10000, 20000);
  5786. /* Reset BigMac/Xmac */
  5787. if (CHIP_IS_E1x(bp) ||
  5788. CHIP_IS_E2(bp))
  5789. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5790. if (CHIP_IS_E3(bp)) {
  5791. /* Prevent LPI Generation by chip */
  5792. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5793. 0);
  5794. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5795. 0);
  5796. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5797. SHMEM_EEE_ACTIVE_BIT);
  5798. bnx2x_update_mng_eee(params, vars->eee_status);
  5799. bnx2x_set_xmac_rxtx(params, 0);
  5800. bnx2x_set_umac_rxtx(params, 0);
  5801. }
  5802. return 0;
  5803. }
  5804. static int bnx2x_update_link_up(struct link_params *params,
  5805. struct link_vars *vars,
  5806. u8 link_10g)
  5807. {
  5808. struct bnx2x *bp = params->bp;
  5809. u8 phy_idx, port = params->port;
  5810. int rc = 0;
  5811. vars->link_status |= (LINK_STATUS_LINK_UP |
  5812. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5813. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5814. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5815. vars->link_status |=
  5816. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5817. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5818. vars->link_status |=
  5819. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5820. if (USES_WARPCORE(bp)) {
  5821. if (link_10g) {
  5822. if (bnx2x_xmac_enable(params, vars, 0) ==
  5823. -ESRCH) {
  5824. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5825. vars->link_up = 0;
  5826. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5827. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5828. }
  5829. } else
  5830. bnx2x_umac_enable(params, vars, 0);
  5831. bnx2x_set_led(params, vars,
  5832. LED_MODE_OPER, vars->line_speed);
  5833. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5834. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5835. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5836. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5837. (params->port << 2), 1);
  5838. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5839. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5840. (params->port << 2), 0xfc20);
  5841. }
  5842. }
  5843. if ((CHIP_IS_E1x(bp) ||
  5844. CHIP_IS_E2(bp))) {
  5845. if (link_10g) {
  5846. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5847. -ESRCH) {
  5848. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5849. vars->link_up = 0;
  5850. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5851. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5852. }
  5853. bnx2x_set_led(params, vars,
  5854. LED_MODE_OPER, SPEED_10000);
  5855. } else {
  5856. rc = bnx2x_emac_program(params, vars);
  5857. bnx2x_emac_enable(params, vars, 0);
  5858. /* AN complete? */
  5859. if ((vars->link_status &
  5860. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5861. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5862. SINGLE_MEDIA_DIRECT(params))
  5863. bnx2x_set_gmii_tx_driver(params);
  5864. }
  5865. }
  5866. /* PBF - link up */
  5867. if (CHIP_IS_E1x(bp))
  5868. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5869. vars->line_speed);
  5870. /* Disable drain */
  5871. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5872. /* Update shared memory */
  5873. bnx2x_update_mng(params, vars->link_status);
  5874. bnx2x_update_mng_eee(params, vars->eee_status);
  5875. /* Check remote fault */
  5876. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5877. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5878. bnx2x_check_half_open_conn(params, vars, 0);
  5879. break;
  5880. }
  5881. }
  5882. msleep(20);
  5883. return rc;
  5884. }
  5885. /* The bnx2x_link_update function should be called upon link
  5886. * interrupt.
  5887. * Link is considered up as follows:
  5888. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5889. * to be up
  5890. * - SINGLE_MEDIA - The link between the 577xx and the external
  5891. * phy (XGXS) need to up as well as the external link of the
  5892. * phy (PHY_EXT1)
  5893. * - DUAL_MEDIA - The link between the 577xx and the first
  5894. * external phy needs to be up, and at least one of the 2
  5895. * external phy link must be up.
  5896. */
  5897. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5898. {
  5899. struct bnx2x *bp = params->bp;
  5900. struct link_vars phy_vars[MAX_PHYS];
  5901. u8 port = params->port;
  5902. u8 link_10g_plus, phy_index;
  5903. u8 ext_phy_link_up = 0, cur_link_up;
  5904. int rc = 0;
  5905. u8 is_mi_int = 0;
  5906. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5907. u8 active_external_phy = INT_PHY;
  5908. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5909. vars->link_status &= ~LINK_UPDATE_MASK;
  5910. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5911. phy_index++) {
  5912. phy_vars[phy_index].flow_ctrl = 0;
  5913. phy_vars[phy_index].link_status = 0;
  5914. phy_vars[phy_index].line_speed = 0;
  5915. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5916. phy_vars[phy_index].phy_link_up = 0;
  5917. phy_vars[phy_index].link_up = 0;
  5918. phy_vars[phy_index].fault_detected = 0;
  5919. /* different consideration, since vars holds inner state */
  5920. phy_vars[phy_index].eee_status = vars->eee_status;
  5921. }
  5922. if (USES_WARPCORE(bp))
  5923. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5924. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5925. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5926. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5927. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5928. port*0x18) > 0);
  5929. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5930. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5931. is_mi_int,
  5932. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5933. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5934. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5935. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5936. /* Disable emac */
  5937. if (!CHIP_IS_E3(bp))
  5938. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5939. /* Step 1:
  5940. * Check external link change only for external phys, and apply
  5941. * priority selection between them in case the link on both phys
  5942. * is up. Note that instead of the common vars, a temporary
  5943. * vars argument is used since each phy may have different link/
  5944. * speed/duplex result
  5945. */
  5946. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5947. phy_index++) {
  5948. struct bnx2x_phy *phy = &params->phy[phy_index];
  5949. if (!phy->read_status)
  5950. continue;
  5951. /* Read link status and params of this ext phy */
  5952. cur_link_up = phy->read_status(phy, params,
  5953. &phy_vars[phy_index]);
  5954. if (cur_link_up) {
  5955. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5956. phy_index);
  5957. } else {
  5958. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5959. phy_index);
  5960. continue;
  5961. }
  5962. if (!ext_phy_link_up) {
  5963. ext_phy_link_up = 1;
  5964. active_external_phy = phy_index;
  5965. } else {
  5966. switch (bnx2x_phy_selection(params)) {
  5967. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5968. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5969. /* In this option, the first PHY makes sure to pass the
  5970. * traffic through itself only.
  5971. * Its not clear how to reset the link on the second phy
  5972. */
  5973. active_external_phy = EXT_PHY1;
  5974. break;
  5975. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5976. /* In this option, the first PHY makes sure to pass the
  5977. * traffic through the second PHY.
  5978. */
  5979. active_external_phy = EXT_PHY2;
  5980. break;
  5981. default:
  5982. /* Link indication on both PHYs with the following cases
  5983. * is invalid:
  5984. * - FIRST_PHY means that second phy wasn't initialized,
  5985. * hence its link is expected to be down
  5986. * - SECOND_PHY means that first phy should not be able
  5987. * to link up by itself (using configuration)
  5988. * - DEFAULT should be overriden during initialiazation
  5989. */
  5990. DP(NETIF_MSG_LINK, "Invalid link indication"
  5991. "mpc=0x%x. DISABLING LINK !!!\n",
  5992. params->multi_phy_config);
  5993. ext_phy_link_up = 0;
  5994. break;
  5995. }
  5996. }
  5997. }
  5998. prev_line_speed = vars->line_speed;
  5999. /* Step 2:
  6000. * Read the status of the internal phy. In case of
  6001. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  6002. * otherwise this is the link between the 577xx and the first
  6003. * external phy
  6004. */
  6005. if (params->phy[INT_PHY].read_status)
  6006. params->phy[INT_PHY].read_status(
  6007. &params->phy[INT_PHY],
  6008. params, vars);
  6009. /* The INT_PHY flow control reside in the vars. This include the
  6010. * case where the speed or flow control are not set to AUTO.
  6011. * Otherwise, the active external phy flow control result is set
  6012. * to the vars. The ext_phy_line_speed is needed to check if the
  6013. * speed is different between the internal phy and external phy.
  6014. * This case may be result of intermediate link speed change.
  6015. */
  6016. if (active_external_phy > INT_PHY) {
  6017. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6018. /* Link speed is taken from the XGXS. AN and FC result from
  6019. * the external phy.
  6020. */
  6021. vars->link_status |= phy_vars[active_external_phy].link_status;
  6022. /* if active_external_phy is first PHY and link is up - disable
  6023. * disable TX on second external PHY
  6024. */
  6025. if (active_external_phy == EXT_PHY1) {
  6026. if (params->phy[EXT_PHY2].phy_specific_func) {
  6027. DP(NETIF_MSG_LINK,
  6028. "Disabling TX on EXT_PHY2\n");
  6029. params->phy[EXT_PHY2].phy_specific_func(
  6030. &params->phy[EXT_PHY2],
  6031. params, DISABLE_TX);
  6032. }
  6033. }
  6034. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6035. vars->duplex = phy_vars[active_external_phy].duplex;
  6036. if (params->phy[active_external_phy].supported &
  6037. SUPPORTED_FIBRE)
  6038. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6039. else
  6040. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6041. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6042. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6043. active_external_phy);
  6044. }
  6045. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6046. phy_index++) {
  6047. if (params->phy[phy_index].flags &
  6048. FLAGS_REARM_LATCH_SIGNAL) {
  6049. bnx2x_rearm_latch_signal(bp, port,
  6050. phy_index ==
  6051. active_external_phy);
  6052. break;
  6053. }
  6054. }
  6055. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6056. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6057. vars->link_status, ext_phy_line_speed);
  6058. /* Upon link speed change set the NIG into drain mode. Comes to
  6059. * deals with possible FIFO glitch due to clk change when speed
  6060. * is decreased without link down indicator
  6061. */
  6062. if (vars->phy_link_up) {
  6063. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6064. (ext_phy_line_speed != vars->line_speed)) {
  6065. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6066. " different than the external"
  6067. " link speed %d\n", vars->line_speed,
  6068. ext_phy_line_speed);
  6069. vars->phy_link_up = 0;
  6070. } else if (prev_line_speed != vars->line_speed) {
  6071. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6072. 0);
  6073. usleep_range(1000, 2000);
  6074. }
  6075. }
  6076. /* Anything 10 and over uses the bmac */
  6077. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6078. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6079. /* In case external phy link is up, and internal link is down
  6080. * (not initialized yet probably after link initialization, it
  6081. * needs to be initialized.
  6082. * Note that after link down-up as result of cable plug, the xgxs
  6083. * link would probably become up again without the need
  6084. * initialize it
  6085. */
  6086. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6087. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6088. " init_preceding = %d\n", ext_phy_link_up,
  6089. vars->phy_link_up,
  6090. params->phy[EXT_PHY1].flags &
  6091. FLAGS_INIT_XGXS_FIRST);
  6092. if (!(params->phy[EXT_PHY1].flags &
  6093. FLAGS_INIT_XGXS_FIRST)
  6094. && ext_phy_link_up && !vars->phy_link_up) {
  6095. vars->line_speed = ext_phy_line_speed;
  6096. if (vars->line_speed < SPEED_1000)
  6097. vars->phy_flags |= PHY_SGMII_FLAG;
  6098. else
  6099. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6100. if (params->phy[INT_PHY].config_init)
  6101. params->phy[INT_PHY].config_init(
  6102. &params->phy[INT_PHY], params,
  6103. vars);
  6104. }
  6105. }
  6106. /* Link is up only if both local phy and external phy (in case of
  6107. * non-direct board) are up and no fault detected on active PHY.
  6108. */
  6109. vars->link_up = (vars->phy_link_up &&
  6110. (ext_phy_link_up ||
  6111. SINGLE_MEDIA_DIRECT(params)) &&
  6112. (phy_vars[active_external_phy].fault_detected == 0));
  6113. /* Update the PFC configuration in case it was changed */
  6114. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6115. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6116. else
  6117. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6118. if (vars->link_up)
  6119. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6120. else
  6121. rc = bnx2x_update_link_down(params, vars);
  6122. /* Update MCP link status was changed */
  6123. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6124. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6125. return rc;
  6126. }
  6127. /*****************************************************************************/
  6128. /* External Phy section */
  6129. /*****************************************************************************/
  6130. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6131. {
  6132. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6133. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6134. usleep_range(1000, 2000);
  6135. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6136. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6137. }
  6138. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6139. u32 spirom_ver, u32 ver_addr)
  6140. {
  6141. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6142. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6143. if (ver_addr)
  6144. REG_WR(bp, ver_addr, spirom_ver);
  6145. }
  6146. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6147. struct bnx2x_phy *phy,
  6148. u8 port)
  6149. {
  6150. u16 fw_ver1, fw_ver2;
  6151. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6152. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6153. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6154. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6155. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6156. phy->ver_addr);
  6157. }
  6158. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6159. struct bnx2x_phy *phy,
  6160. struct link_vars *vars)
  6161. {
  6162. u16 val;
  6163. bnx2x_cl45_read(bp, phy,
  6164. MDIO_AN_DEVAD,
  6165. MDIO_AN_REG_STATUS, &val);
  6166. bnx2x_cl45_read(bp, phy,
  6167. MDIO_AN_DEVAD,
  6168. MDIO_AN_REG_STATUS, &val);
  6169. if (val & (1<<5))
  6170. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6171. if ((val & (1<<0)) == 0)
  6172. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6173. }
  6174. /******************************************************************/
  6175. /* common BCM8073/BCM8727 PHY SECTION */
  6176. /******************************************************************/
  6177. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6178. struct link_params *params,
  6179. struct link_vars *vars)
  6180. {
  6181. struct bnx2x *bp = params->bp;
  6182. if (phy->req_line_speed == SPEED_10 ||
  6183. phy->req_line_speed == SPEED_100) {
  6184. vars->flow_ctrl = phy->req_flow_ctrl;
  6185. return;
  6186. }
  6187. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6188. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6189. u16 pause_result;
  6190. u16 ld_pause; /* local */
  6191. u16 lp_pause; /* link partner */
  6192. bnx2x_cl45_read(bp, phy,
  6193. MDIO_AN_DEVAD,
  6194. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6195. bnx2x_cl45_read(bp, phy,
  6196. MDIO_AN_DEVAD,
  6197. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6198. pause_result = (ld_pause &
  6199. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6200. pause_result |= (lp_pause &
  6201. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6202. bnx2x_pause_resolve(vars, pause_result);
  6203. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6204. pause_result);
  6205. }
  6206. }
  6207. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6208. struct bnx2x_phy *phy,
  6209. u8 port)
  6210. {
  6211. u32 count = 0;
  6212. u16 fw_ver1, fw_msgout;
  6213. int rc = 0;
  6214. /* Boot port from external ROM */
  6215. /* EDC grst */
  6216. bnx2x_cl45_write(bp, phy,
  6217. MDIO_PMA_DEVAD,
  6218. MDIO_PMA_REG_GEN_CTRL,
  6219. 0x0001);
  6220. /* Ucode reboot and rst */
  6221. bnx2x_cl45_write(bp, phy,
  6222. MDIO_PMA_DEVAD,
  6223. MDIO_PMA_REG_GEN_CTRL,
  6224. 0x008c);
  6225. bnx2x_cl45_write(bp, phy,
  6226. MDIO_PMA_DEVAD,
  6227. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6228. /* Reset internal microprocessor */
  6229. bnx2x_cl45_write(bp, phy,
  6230. MDIO_PMA_DEVAD,
  6231. MDIO_PMA_REG_GEN_CTRL,
  6232. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6233. /* Release srst bit */
  6234. bnx2x_cl45_write(bp, phy,
  6235. MDIO_PMA_DEVAD,
  6236. MDIO_PMA_REG_GEN_CTRL,
  6237. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6238. /* Delay 100ms per the PHY specifications */
  6239. msleep(100);
  6240. /* 8073 sometimes taking longer to download */
  6241. do {
  6242. count++;
  6243. if (count > 300) {
  6244. DP(NETIF_MSG_LINK,
  6245. "bnx2x_8073_8727_external_rom_boot port %x:"
  6246. "Download failed. fw version = 0x%x\n",
  6247. port, fw_ver1);
  6248. rc = -EINVAL;
  6249. break;
  6250. }
  6251. bnx2x_cl45_read(bp, phy,
  6252. MDIO_PMA_DEVAD,
  6253. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6254. bnx2x_cl45_read(bp, phy,
  6255. MDIO_PMA_DEVAD,
  6256. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6257. usleep_range(1000, 2000);
  6258. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6259. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6260. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6261. /* Clear ser_boot_ctl bit */
  6262. bnx2x_cl45_write(bp, phy,
  6263. MDIO_PMA_DEVAD,
  6264. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6265. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6266. DP(NETIF_MSG_LINK,
  6267. "bnx2x_8073_8727_external_rom_boot port %x:"
  6268. "Download complete. fw version = 0x%x\n",
  6269. port, fw_ver1);
  6270. return rc;
  6271. }
  6272. /******************************************************************/
  6273. /* BCM8073 PHY SECTION */
  6274. /******************************************************************/
  6275. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6276. {
  6277. /* This is only required for 8073A1, version 102 only */
  6278. u16 val;
  6279. /* Read 8073 HW revision*/
  6280. bnx2x_cl45_read(bp, phy,
  6281. MDIO_PMA_DEVAD,
  6282. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6283. if (val != 1) {
  6284. /* No need to workaround in 8073 A1 */
  6285. return 0;
  6286. }
  6287. bnx2x_cl45_read(bp, phy,
  6288. MDIO_PMA_DEVAD,
  6289. MDIO_PMA_REG_ROM_VER2, &val);
  6290. /* SNR should be applied only for version 0x102 */
  6291. if (val != 0x102)
  6292. return 0;
  6293. return 1;
  6294. }
  6295. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6296. {
  6297. u16 val, cnt, cnt1 ;
  6298. bnx2x_cl45_read(bp, phy,
  6299. MDIO_PMA_DEVAD,
  6300. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6301. if (val > 0) {
  6302. /* No need to workaround in 8073 A1 */
  6303. return 0;
  6304. }
  6305. /* XAUI workaround in 8073 A0: */
  6306. /* After loading the boot ROM and restarting Autoneg, poll
  6307. * Dev1, Reg $C820:
  6308. */
  6309. for (cnt = 0; cnt < 1000; cnt++) {
  6310. bnx2x_cl45_read(bp, phy,
  6311. MDIO_PMA_DEVAD,
  6312. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6313. &val);
  6314. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6315. * system initialization (XAUI work-around not required, as
  6316. * these bits indicate 2.5G or 1G link up).
  6317. */
  6318. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6319. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6320. return 0;
  6321. } else if (!(val & (1<<15))) {
  6322. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6323. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6324. * MSB (bit15) goes to 1 (indicating that the XAUI
  6325. * workaround has completed), then continue on with
  6326. * system initialization.
  6327. */
  6328. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6329. bnx2x_cl45_read(bp, phy,
  6330. MDIO_PMA_DEVAD,
  6331. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6332. if (val & (1<<15)) {
  6333. DP(NETIF_MSG_LINK,
  6334. "XAUI workaround has completed\n");
  6335. return 0;
  6336. }
  6337. usleep_range(3000, 6000);
  6338. }
  6339. break;
  6340. }
  6341. usleep_range(3000, 6000);
  6342. }
  6343. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6344. return -EINVAL;
  6345. }
  6346. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6347. {
  6348. /* Force KR or KX */
  6349. bnx2x_cl45_write(bp, phy,
  6350. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6351. bnx2x_cl45_write(bp, phy,
  6352. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6353. bnx2x_cl45_write(bp, phy,
  6354. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6355. bnx2x_cl45_write(bp, phy,
  6356. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6357. }
  6358. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6359. struct bnx2x_phy *phy,
  6360. struct link_vars *vars)
  6361. {
  6362. u16 cl37_val;
  6363. struct bnx2x *bp = params->bp;
  6364. bnx2x_cl45_read(bp, phy,
  6365. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6366. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6367. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6368. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6369. if ((vars->ieee_fc &
  6370. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6371. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6372. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6373. }
  6374. if ((vars->ieee_fc &
  6375. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6376. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6377. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6378. }
  6379. if ((vars->ieee_fc &
  6380. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6381. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6382. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6383. }
  6384. DP(NETIF_MSG_LINK,
  6385. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6386. bnx2x_cl45_write(bp, phy,
  6387. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6388. msleep(500);
  6389. }
  6390. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6391. struct link_params *params,
  6392. u32 action)
  6393. {
  6394. struct bnx2x *bp = params->bp;
  6395. switch (action) {
  6396. case PHY_INIT:
  6397. /* Enable LASI */
  6398. bnx2x_cl45_write(bp, phy,
  6399. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6400. bnx2x_cl45_write(bp, phy,
  6401. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6402. break;
  6403. }
  6404. }
  6405. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6406. struct link_params *params,
  6407. struct link_vars *vars)
  6408. {
  6409. struct bnx2x *bp = params->bp;
  6410. u16 val = 0, tmp1;
  6411. u8 gpio_port;
  6412. DP(NETIF_MSG_LINK, "Init 8073\n");
  6413. if (CHIP_IS_E2(bp))
  6414. gpio_port = BP_PATH(bp);
  6415. else
  6416. gpio_port = params->port;
  6417. /* Restore normal power mode*/
  6418. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6419. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6420. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6421. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6422. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6423. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6424. bnx2x_cl45_read(bp, phy,
  6425. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6426. bnx2x_cl45_read(bp, phy,
  6427. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6428. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6429. /* Swap polarity if required - Must be done only in non-1G mode */
  6430. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6431. /* Configure the 8073 to swap _P and _N of the KR lines */
  6432. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6433. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6434. bnx2x_cl45_read(bp, phy,
  6435. MDIO_PMA_DEVAD,
  6436. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6437. bnx2x_cl45_write(bp, phy,
  6438. MDIO_PMA_DEVAD,
  6439. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6440. (val | (3<<9)));
  6441. }
  6442. /* Enable CL37 BAM */
  6443. if (REG_RD(bp, params->shmem_base +
  6444. offsetof(struct shmem_region, dev_info.
  6445. port_hw_config[params->port].default_cfg)) &
  6446. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6447. bnx2x_cl45_read(bp, phy,
  6448. MDIO_AN_DEVAD,
  6449. MDIO_AN_REG_8073_BAM, &val);
  6450. bnx2x_cl45_write(bp, phy,
  6451. MDIO_AN_DEVAD,
  6452. MDIO_AN_REG_8073_BAM, val | 1);
  6453. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6454. }
  6455. if (params->loopback_mode == LOOPBACK_EXT) {
  6456. bnx2x_807x_force_10G(bp, phy);
  6457. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6458. return 0;
  6459. } else {
  6460. bnx2x_cl45_write(bp, phy,
  6461. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6462. }
  6463. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6464. if (phy->req_line_speed == SPEED_10000) {
  6465. val = (1<<7);
  6466. } else if (phy->req_line_speed == SPEED_2500) {
  6467. val = (1<<5);
  6468. /* Note that 2.5G works only when used with 1G
  6469. * advertisement
  6470. */
  6471. } else
  6472. val = (1<<5);
  6473. } else {
  6474. val = 0;
  6475. if (phy->speed_cap_mask &
  6476. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6477. val |= (1<<7);
  6478. /* Note that 2.5G works only when used with 1G advertisement */
  6479. if (phy->speed_cap_mask &
  6480. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6481. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6482. val |= (1<<5);
  6483. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6484. }
  6485. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6486. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6487. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6488. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6489. (phy->req_line_speed == SPEED_2500)) {
  6490. u16 phy_ver;
  6491. /* Allow 2.5G for A1 and above */
  6492. bnx2x_cl45_read(bp, phy,
  6493. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6494. &phy_ver);
  6495. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6496. if (phy_ver > 0)
  6497. tmp1 |= 1;
  6498. else
  6499. tmp1 &= 0xfffe;
  6500. } else {
  6501. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6502. tmp1 &= 0xfffe;
  6503. }
  6504. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6505. /* Add support for CL37 (passive mode) II */
  6506. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6507. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6508. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6509. 0x20 : 0x40)));
  6510. /* Add support for CL37 (passive mode) III */
  6511. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6512. /* The SNR will improve about 2db by changing BW and FEE main
  6513. * tap. Rest commands are executed after link is up
  6514. * Change FFE main cursor to 5 in EDC register
  6515. */
  6516. if (bnx2x_8073_is_snr_needed(bp, phy))
  6517. bnx2x_cl45_write(bp, phy,
  6518. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6519. 0xFB0C);
  6520. /* Enable FEC (Forware Error Correction) Request in the AN */
  6521. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6522. tmp1 |= (1<<15);
  6523. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6524. bnx2x_ext_phy_set_pause(params, phy, vars);
  6525. /* Restart autoneg */
  6526. msleep(500);
  6527. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6528. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6529. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6530. return 0;
  6531. }
  6532. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6533. struct link_params *params,
  6534. struct link_vars *vars)
  6535. {
  6536. struct bnx2x *bp = params->bp;
  6537. u8 link_up = 0;
  6538. u16 val1, val2;
  6539. u16 link_status = 0;
  6540. u16 an1000_status = 0;
  6541. bnx2x_cl45_read(bp, phy,
  6542. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6543. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6544. /* Clear the interrupt LASI status register */
  6545. bnx2x_cl45_read(bp, phy,
  6546. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6547. bnx2x_cl45_read(bp, phy,
  6548. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6549. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6550. /* Clear MSG-OUT */
  6551. bnx2x_cl45_read(bp, phy,
  6552. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6553. /* Check the LASI */
  6554. bnx2x_cl45_read(bp, phy,
  6555. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6556. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6557. /* Check the link status */
  6558. bnx2x_cl45_read(bp, phy,
  6559. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6560. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6561. bnx2x_cl45_read(bp, phy,
  6562. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6563. bnx2x_cl45_read(bp, phy,
  6564. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6565. link_up = ((val1 & 4) == 4);
  6566. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6567. if (link_up &&
  6568. ((phy->req_line_speed != SPEED_10000))) {
  6569. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6570. return 0;
  6571. }
  6572. bnx2x_cl45_read(bp, phy,
  6573. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6574. bnx2x_cl45_read(bp, phy,
  6575. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6576. /* Check the link status on 1.1.2 */
  6577. bnx2x_cl45_read(bp, phy,
  6578. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6579. bnx2x_cl45_read(bp, phy,
  6580. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6581. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6582. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6583. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6584. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6585. /* The SNR will improve about 2dbby changing the BW and FEE main
  6586. * tap. The 1st write to change FFE main tap is set before
  6587. * restart AN. Change PLL Bandwidth in EDC register
  6588. */
  6589. bnx2x_cl45_write(bp, phy,
  6590. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6591. 0x26BC);
  6592. /* Change CDR Bandwidth in EDC register */
  6593. bnx2x_cl45_write(bp, phy,
  6594. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6595. 0x0333);
  6596. }
  6597. bnx2x_cl45_read(bp, phy,
  6598. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6599. &link_status);
  6600. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6601. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6602. link_up = 1;
  6603. vars->line_speed = SPEED_10000;
  6604. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6605. params->port);
  6606. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6607. link_up = 1;
  6608. vars->line_speed = SPEED_2500;
  6609. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6610. params->port);
  6611. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6612. link_up = 1;
  6613. vars->line_speed = SPEED_1000;
  6614. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6615. params->port);
  6616. } else {
  6617. link_up = 0;
  6618. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6619. params->port);
  6620. }
  6621. if (link_up) {
  6622. /* Swap polarity if required */
  6623. if (params->lane_config &
  6624. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6625. /* Configure the 8073 to swap P and N of the KR lines */
  6626. bnx2x_cl45_read(bp, phy,
  6627. MDIO_XS_DEVAD,
  6628. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6629. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6630. * when it`s in 10G mode.
  6631. */
  6632. if (vars->line_speed == SPEED_1000) {
  6633. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6634. "the 8073\n");
  6635. val1 |= (1<<3);
  6636. } else
  6637. val1 &= ~(1<<3);
  6638. bnx2x_cl45_write(bp, phy,
  6639. MDIO_XS_DEVAD,
  6640. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6641. val1);
  6642. }
  6643. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6644. bnx2x_8073_resolve_fc(phy, params, vars);
  6645. vars->duplex = DUPLEX_FULL;
  6646. }
  6647. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6648. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6649. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6650. if (val1 & (1<<5))
  6651. vars->link_status |=
  6652. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6653. if (val1 & (1<<7))
  6654. vars->link_status |=
  6655. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6656. }
  6657. return link_up;
  6658. }
  6659. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6660. struct link_params *params)
  6661. {
  6662. struct bnx2x *bp = params->bp;
  6663. u8 gpio_port;
  6664. if (CHIP_IS_E2(bp))
  6665. gpio_port = BP_PATH(bp);
  6666. else
  6667. gpio_port = params->port;
  6668. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6669. gpio_port);
  6670. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6671. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6672. gpio_port);
  6673. }
  6674. /******************************************************************/
  6675. /* BCM8705 PHY SECTION */
  6676. /******************************************************************/
  6677. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6678. struct link_params *params,
  6679. struct link_vars *vars)
  6680. {
  6681. struct bnx2x *bp = params->bp;
  6682. DP(NETIF_MSG_LINK, "init 8705\n");
  6683. /* Restore normal power mode*/
  6684. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6685. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6686. /* HW reset */
  6687. bnx2x_ext_phy_hw_reset(bp, params->port);
  6688. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6689. bnx2x_wait_reset_complete(bp, phy, params);
  6690. bnx2x_cl45_write(bp, phy,
  6691. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6692. bnx2x_cl45_write(bp, phy,
  6693. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6694. bnx2x_cl45_write(bp, phy,
  6695. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6696. bnx2x_cl45_write(bp, phy,
  6697. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6698. /* BCM8705 doesn't have microcode, hence the 0 */
  6699. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6700. return 0;
  6701. }
  6702. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6703. struct link_params *params,
  6704. struct link_vars *vars)
  6705. {
  6706. u8 link_up = 0;
  6707. u16 val1, rx_sd;
  6708. struct bnx2x *bp = params->bp;
  6709. DP(NETIF_MSG_LINK, "read status 8705\n");
  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_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6715. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6716. bnx2x_cl45_read(bp, phy,
  6717. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6718. bnx2x_cl45_read(bp, phy,
  6719. MDIO_PMA_DEVAD, 0xc809, &val1);
  6720. bnx2x_cl45_read(bp, phy,
  6721. MDIO_PMA_DEVAD, 0xc809, &val1);
  6722. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6723. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6724. if (link_up) {
  6725. vars->line_speed = SPEED_10000;
  6726. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6727. }
  6728. return link_up;
  6729. }
  6730. /******************************************************************/
  6731. /* SFP+ module Section */
  6732. /******************************************************************/
  6733. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6734. struct bnx2x_phy *phy,
  6735. u8 pmd_dis)
  6736. {
  6737. struct bnx2x *bp = params->bp;
  6738. /* Disable transmitter only for bootcodes which can enable it afterwards
  6739. * (for D3 link)
  6740. */
  6741. if (pmd_dis) {
  6742. if (params->feature_config_flags &
  6743. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6744. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6745. else {
  6746. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6747. return;
  6748. }
  6749. } else
  6750. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6751. bnx2x_cl45_write(bp, phy,
  6752. MDIO_PMA_DEVAD,
  6753. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6754. }
  6755. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6756. {
  6757. u8 gpio_port;
  6758. u32 swap_val, swap_override;
  6759. struct bnx2x *bp = params->bp;
  6760. if (CHIP_IS_E2(bp))
  6761. gpio_port = BP_PATH(bp);
  6762. else
  6763. gpio_port = params->port;
  6764. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6765. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6766. return gpio_port ^ (swap_val && swap_override);
  6767. }
  6768. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6769. struct bnx2x_phy *phy,
  6770. u8 tx_en)
  6771. {
  6772. u16 val;
  6773. u8 port = params->port;
  6774. struct bnx2x *bp = params->bp;
  6775. u32 tx_en_mode;
  6776. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6777. tx_en_mode = REG_RD(bp, params->shmem_base +
  6778. offsetof(struct shmem_region,
  6779. dev_info.port_hw_config[port].sfp_ctrl)) &
  6780. PORT_HW_CFG_TX_LASER_MASK;
  6781. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6782. "mode = %x\n", tx_en, port, tx_en_mode);
  6783. switch (tx_en_mode) {
  6784. case PORT_HW_CFG_TX_LASER_MDIO:
  6785. bnx2x_cl45_read(bp, phy,
  6786. MDIO_PMA_DEVAD,
  6787. MDIO_PMA_REG_PHY_IDENTIFIER,
  6788. &val);
  6789. if (tx_en)
  6790. val &= ~(1<<15);
  6791. else
  6792. val |= (1<<15);
  6793. bnx2x_cl45_write(bp, phy,
  6794. MDIO_PMA_DEVAD,
  6795. MDIO_PMA_REG_PHY_IDENTIFIER,
  6796. val);
  6797. break;
  6798. case PORT_HW_CFG_TX_LASER_GPIO0:
  6799. case PORT_HW_CFG_TX_LASER_GPIO1:
  6800. case PORT_HW_CFG_TX_LASER_GPIO2:
  6801. case PORT_HW_CFG_TX_LASER_GPIO3:
  6802. {
  6803. u16 gpio_pin;
  6804. u8 gpio_port, gpio_mode;
  6805. if (tx_en)
  6806. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6807. else
  6808. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6809. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6810. gpio_port = bnx2x_get_gpio_port(params);
  6811. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6812. break;
  6813. }
  6814. default:
  6815. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6816. break;
  6817. }
  6818. }
  6819. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6820. struct bnx2x_phy *phy,
  6821. u8 tx_en)
  6822. {
  6823. struct bnx2x *bp = params->bp;
  6824. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6825. if (CHIP_IS_E3(bp))
  6826. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6827. else
  6828. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6829. }
  6830. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6831. struct link_params *params,
  6832. u8 dev_addr, u16 addr, u8 byte_cnt,
  6833. u8 *o_buf, u8 is_init)
  6834. {
  6835. struct bnx2x *bp = params->bp;
  6836. u16 val = 0;
  6837. u16 i;
  6838. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6839. DP(NETIF_MSG_LINK,
  6840. "Reading from eeprom is limited to 0xf\n");
  6841. return -EINVAL;
  6842. }
  6843. /* Set the read command byte count */
  6844. bnx2x_cl45_write(bp, phy,
  6845. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6846. (byte_cnt | (dev_addr << 8)));
  6847. /* Set the read command address */
  6848. bnx2x_cl45_write(bp, phy,
  6849. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6850. addr);
  6851. /* Activate read command */
  6852. bnx2x_cl45_write(bp, phy,
  6853. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6854. 0x2c0f);
  6855. /* Wait up to 500us for command complete status */
  6856. for (i = 0; i < 100; i++) {
  6857. bnx2x_cl45_read(bp, phy,
  6858. MDIO_PMA_DEVAD,
  6859. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6860. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6861. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6862. break;
  6863. udelay(5);
  6864. }
  6865. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6866. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6867. DP(NETIF_MSG_LINK,
  6868. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6869. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6870. return -EINVAL;
  6871. }
  6872. /* Read the buffer */
  6873. for (i = 0; i < byte_cnt; i++) {
  6874. bnx2x_cl45_read(bp, phy,
  6875. MDIO_PMA_DEVAD,
  6876. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6877. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6878. }
  6879. for (i = 0; i < 100; i++) {
  6880. bnx2x_cl45_read(bp, phy,
  6881. MDIO_PMA_DEVAD,
  6882. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6883. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6884. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6885. return 0;
  6886. usleep_range(1000, 2000);
  6887. }
  6888. return -EINVAL;
  6889. }
  6890. static void bnx2x_warpcore_power_module(struct link_params *params,
  6891. u8 power)
  6892. {
  6893. u32 pin_cfg;
  6894. struct bnx2x *bp = params->bp;
  6895. pin_cfg = (REG_RD(bp, params->shmem_base +
  6896. offsetof(struct shmem_region,
  6897. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6898. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6899. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6900. if (pin_cfg == PIN_CFG_NA)
  6901. return;
  6902. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6903. power, pin_cfg);
  6904. /* Low ==> corresponding SFP+ module is powered
  6905. * high ==> the SFP+ module is powered down
  6906. */
  6907. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6908. }
  6909. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6910. struct link_params *params,
  6911. u8 dev_addr,
  6912. u16 addr, u8 byte_cnt,
  6913. u8 *o_buf, u8 is_init)
  6914. {
  6915. int rc = 0;
  6916. u8 i, j = 0, cnt = 0;
  6917. u32 data_array[4];
  6918. u16 addr32;
  6919. struct bnx2x *bp = params->bp;
  6920. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6921. DP(NETIF_MSG_LINK,
  6922. "Reading from eeprom is limited to 16 bytes\n");
  6923. return -EINVAL;
  6924. }
  6925. /* 4 byte aligned address */
  6926. addr32 = addr & (~0x3);
  6927. do {
  6928. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6929. bnx2x_warpcore_power_module(params, 0);
  6930. /* Note that 100us are not enough here */
  6931. usleep_range(1000, 2000);
  6932. bnx2x_warpcore_power_module(params, 1);
  6933. }
  6934. rc = bnx2x_bsc_read(params, phy, dev_addr, addr32, 0, byte_cnt,
  6935. data_array);
  6936. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6937. if (rc == 0) {
  6938. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6939. o_buf[j] = *((u8 *)data_array + i);
  6940. j++;
  6941. }
  6942. }
  6943. return rc;
  6944. }
  6945. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6946. struct link_params *params,
  6947. u8 dev_addr, u16 addr, u8 byte_cnt,
  6948. u8 *o_buf, u8 is_init)
  6949. {
  6950. struct bnx2x *bp = params->bp;
  6951. u16 val, i;
  6952. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6953. DP(NETIF_MSG_LINK,
  6954. "Reading from eeprom is limited to 0xf\n");
  6955. return -EINVAL;
  6956. }
  6957. /* Set 2-wire transfer rate of SFP+ module EEPROM
  6958. * to 100Khz since some DACs(direct attached cables) do
  6959. * not work at 400Khz.
  6960. */
  6961. bnx2x_cl45_write(bp, phy,
  6962. MDIO_PMA_DEVAD,
  6963. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  6964. ((dev_addr << 8) | 1));
  6965. /* Need to read from 1.8000 to clear it */
  6966. bnx2x_cl45_read(bp, phy,
  6967. MDIO_PMA_DEVAD,
  6968. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6969. &val);
  6970. /* Set the read command byte count */
  6971. bnx2x_cl45_write(bp, phy,
  6972. MDIO_PMA_DEVAD,
  6973. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6974. ((byte_cnt < 2) ? 2 : byte_cnt));
  6975. /* Set the read command address */
  6976. bnx2x_cl45_write(bp, phy,
  6977. MDIO_PMA_DEVAD,
  6978. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6979. addr);
  6980. /* Set the destination address */
  6981. bnx2x_cl45_write(bp, phy,
  6982. MDIO_PMA_DEVAD,
  6983. 0x8004,
  6984. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6985. /* Activate read command */
  6986. bnx2x_cl45_write(bp, phy,
  6987. MDIO_PMA_DEVAD,
  6988. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6989. 0x8002);
  6990. /* Wait appropriate time for two-wire command to finish before
  6991. * polling the status register
  6992. */
  6993. usleep_range(1000, 2000);
  6994. /* Wait up to 500us for command complete status */
  6995. for (i = 0; i < 100; i++) {
  6996. bnx2x_cl45_read(bp, phy,
  6997. MDIO_PMA_DEVAD,
  6998. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6999. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7000. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  7001. break;
  7002. udelay(5);
  7003. }
  7004. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  7005. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  7006. DP(NETIF_MSG_LINK,
  7007. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  7008. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  7009. return -EFAULT;
  7010. }
  7011. /* Read the buffer */
  7012. for (i = 0; i < byte_cnt; i++) {
  7013. bnx2x_cl45_read(bp, phy,
  7014. MDIO_PMA_DEVAD,
  7015. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  7016. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  7017. }
  7018. for (i = 0; i < 100; i++) {
  7019. bnx2x_cl45_read(bp, phy,
  7020. MDIO_PMA_DEVAD,
  7021. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  7022. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7023. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7024. return 0;
  7025. usleep_range(1000, 2000);
  7026. }
  7027. return -EINVAL;
  7028. }
  7029. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7030. struct link_params *params, u8 dev_addr,
  7031. u16 addr, u16 byte_cnt, u8 *o_buf)
  7032. {
  7033. int rc = 0;
  7034. struct bnx2x *bp = params->bp;
  7035. u8 xfer_size;
  7036. u8 *user_data = o_buf;
  7037. read_sfp_module_eeprom_func_p read_func;
  7038. if ((dev_addr != 0xa0) && (dev_addr != 0xa2)) {
  7039. DP(NETIF_MSG_LINK, "invalid dev_addr 0x%x\n", dev_addr);
  7040. return -EINVAL;
  7041. }
  7042. switch (phy->type) {
  7043. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7044. read_func = bnx2x_8726_read_sfp_module_eeprom;
  7045. break;
  7046. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7047. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7048. read_func = bnx2x_8727_read_sfp_module_eeprom;
  7049. break;
  7050. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7051. read_func = bnx2x_warpcore_read_sfp_module_eeprom;
  7052. break;
  7053. default:
  7054. return -EOPNOTSUPP;
  7055. }
  7056. while (!rc && (byte_cnt > 0)) {
  7057. xfer_size = (byte_cnt > SFP_EEPROM_PAGE_SIZE) ?
  7058. SFP_EEPROM_PAGE_SIZE : byte_cnt;
  7059. rc = read_func(phy, params, dev_addr, addr, xfer_size,
  7060. user_data, 0);
  7061. byte_cnt -= xfer_size;
  7062. user_data += xfer_size;
  7063. addr += xfer_size;
  7064. }
  7065. return rc;
  7066. }
  7067. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7068. struct link_params *params,
  7069. u16 *edc_mode)
  7070. {
  7071. struct bnx2x *bp = params->bp;
  7072. u32 sync_offset = 0, phy_idx, media_types;
  7073. u8 gport, val[2], check_limiting_mode = 0;
  7074. *edc_mode = EDC_MODE_LIMITING;
  7075. phy->media_type = ETH_PHY_UNSPECIFIED;
  7076. /* First check for copper cable */
  7077. if (bnx2x_read_sfp_module_eeprom(phy,
  7078. params,
  7079. I2C_DEV_ADDR_A0,
  7080. SFP_EEPROM_CON_TYPE_ADDR,
  7081. 2,
  7082. (u8 *)val) != 0) {
  7083. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7084. return -EINVAL;
  7085. }
  7086. switch (val[0]) {
  7087. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7088. {
  7089. u8 copper_module_type;
  7090. phy->media_type = ETH_PHY_DA_TWINAX;
  7091. /* Check if its active cable (includes SFP+ module)
  7092. * of passive cable
  7093. */
  7094. if (bnx2x_read_sfp_module_eeprom(phy,
  7095. params,
  7096. I2C_DEV_ADDR_A0,
  7097. SFP_EEPROM_FC_TX_TECH_ADDR,
  7098. 1,
  7099. &copper_module_type) != 0) {
  7100. DP(NETIF_MSG_LINK,
  7101. "Failed to read copper-cable-type"
  7102. " from SFP+ EEPROM\n");
  7103. return -EINVAL;
  7104. }
  7105. if (copper_module_type &
  7106. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7107. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7108. check_limiting_mode = 1;
  7109. } else if (copper_module_type &
  7110. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7111. DP(NETIF_MSG_LINK,
  7112. "Passive Copper cable detected\n");
  7113. *edc_mode =
  7114. EDC_MODE_PASSIVE_DAC;
  7115. } else {
  7116. DP(NETIF_MSG_LINK,
  7117. "Unknown copper-cable-type 0x%x !!!\n",
  7118. copper_module_type);
  7119. return -EINVAL;
  7120. }
  7121. break;
  7122. }
  7123. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7124. case SFP_EEPROM_CON_TYPE_VAL_RJ45:
  7125. check_limiting_mode = 1;
  7126. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7127. SFP_EEPROM_COMP_CODE_LR_MASK |
  7128. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7129. DP(NETIF_MSG_LINK, "1G SFP module detected\n");
  7130. gport = params->port;
  7131. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7132. if (phy->req_line_speed != SPEED_1000) {
  7133. phy->req_line_speed = SPEED_1000;
  7134. if (!CHIP_IS_E1x(bp)) {
  7135. gport = BP_PATH(bp) +
  7136. (params->port << 1);
  7137. }
  7138. netdev_err(bp->dev,
  7139. "Warning: Link speed was forced to 1000Mbps. Current SFP module in port %d is not compliant with 10G Ethernet\n",
  7140. gport);
  7141. }
  7142. } else {
  7143. int idx, cfg_idx = 0;
  7144. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7145. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7146. if (params->phy[idx].type == phy->type) {
  7147. cfg_idx = LINK_CONFIG_IDX(idx);
  7148. break;
  7149. }
  7150. }
  7151. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7152. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7153. }
  7154. break;
  7155. default:
  7156. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7157. val[0]);
  7158. return -EINVAL;
  7159. }
  7160. sync_offset = params->shmem_base +
  7161. offsetof(struct shmem_region,
  7162. dev_info.port_hw_config[params->port].media_type);
  7163. media_types = REG_RD(bp, sync_offset);
  7164. /* Update media type for non-PMF sync */
  7165. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7166. if (&(params->phy[phy_idx]) == phy) {
  7167. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7168. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7169. media_types |= ((phy->media_type &
  7170. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7171. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7172. break;
  7173. }
  7174. }
  7175. REG_WR(bp, sync_offset, media_types);
  7176. if (check_limiting_mode) {
  7177. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7178. if (bnx2x_read_sfp_module_eeprom(phy,
  7179. params,
  7180. I2C_DEV_ADDR_A0,
  7181. SFP_EEPROM_OPTIONS_ADDR,
  7182. SFP_EEPROM_OPTIONS_SIZE,
  7183. options) != 0) {
  7184. DP(NETIF_MSG_LINK,
  7185. "Failed to read Option field from module EEPROM\n");
  7186. return -EINVAL;
  7187. }
  7188. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7189. *edc_mode = EDC_MODE_LINEAR;
  7190. else
  7191. *edc_mode = EDC_MODE_LIMITING;
  7192. }
  7193. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7194. return 0;
  7195. }
  7196. /* This function read the relevant field from the module (SFP+), and verify it
  7197. * is compliant with this board
  7198. */
  7199. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7200. struct link_params *params)
  7201. {
  7202. struct bnx2x *bp = params->bp;
  7203. u32 val, cmd;
  7204. u32 fw_resp, fw_cmd_param;
  7205. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7206. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7207. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7208. val = REG_RD(bp, params->shmem_base +
  7209. offsetof(struct shmem_region, dev_info.
  7210. port_feature_config[params->port].config));
  7211. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7212. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7213. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7214. return 0;
  7215. }
  7216. if (params->feature_config_flags &
  7217. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7218. /* Use specific phy request */
  7219. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7220. } else if (params->feature_config_flags &
  7221. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7222. /* Use first phy request only in case of non-dual media*/
  7223. if (DUAL_MEDIA(params)) {
  7224. DP(NETIF_MSG_LINK,
  7225. "FW does not support OPT MDL verification\n");
  7226. return -EINVAL;
  7227. }
  7228. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7229. } else {
  7230. /* No support in OPT MDL detection */
  7231. DP(NETIF_MSG_LINK,
  7232. "FW does not support OPT MDL verification\n");
  7233. return -EINVAL;
  7234. }
  7235. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7236. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7237. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7238. DP(NETIF_MSG_LINK, "Approved module\n");
  7239. return 0;
  7240. }
  7241. /* Format the warning message */
  7242. if (bnx2x_read_sfp_module_eeprom(phy,
  7243. params,
  7244. I2C_DEV_ADDR_A0,
  7245. SFP_EEPROM_VENDOR_NAME_ADDR,
  7246. SFP_EEPROM_VENDOR_NAME_SIZE,
  7247. (u8 *)vendor_name))
  7248. vendor_name[0] = '\0';
  7249. else
  7250. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7251. if (bnx2x_read_sfp_module_eeprom(phy,
  7252. params,
  7253. I2C_DEV_ADDR_A0,
  7254. SFP_EEPROM_PART_NO_ADDR,
  7255. SFP_EEPROM_PART_NO_SIZE,
  7256. (u8 *)vendor_pn))
  7257. vendor_pn[0] = '\0';
  7258. else
  7259. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7260. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7261. " Port %d from %s part number %s\n",
  7262. params->port, vendor_name, vendor_pn);
  7263. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7264. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7265. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7266. return -EINVAL;
  7267. }
  7268. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7269. struct link_params *params)
  7270. {
  7271. u8 val;
  7272. int rc;
  7273. struct bnx2x *bp = params->bp;
  7274. u16 timeout;
  7275. /* Initialization time after hot-plug may take up to 300ms for
  7276. * some phys type ( e.g. JDSU )
  7277. */
  7278. for (timeout = 0; timeout < 60; timeout++) {
  7279. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7280. rc = bnx2x_warpcore_read_sfp_module_eeprom(
  7281. phy, params, I2C_DEV_ADDR_A0, 1, 1, &val,
  7282. 1);
  7283. else
  7284. rc = bnx2x_read_sfp_module_eeprom(phy, params,
  7285. I2C_DEV_ADDR_A0,
  7286. 1, 1, &val);
  7287. if (rc == 0) {
  7288. DP(NETIF_MSG_LINK,
  7289. "SFP+ module initialization took %d ms\n",
  7290. timeout * 5);
  7291. return 0;
  7292. }
  7293. usleep_range(5000, 10000);
  7294. }
  7295. rc = bnx2x_read_sfp_module_eeprom(phy, params, I2C_DEV_ADDR_A0,
  7296. 1, 1, &val);
  7297. return rc;
  7298. }
  7299. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7300. struct bnx2x_phy *phy,
  7301. u8 is_power_up) {
  7302. /* Make sure GPIOs are not using for LED mode */
  7303. u16 val;
  7304. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7305. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7306. * output
  7307. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7308. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7309. * where the 1st bit is the over-current(only input), and 2nd bit is
  7310. * for power( only output )
  7311. *
  7312. * In case of NOC feature is disabled and power is up, set GPIO control
  7313. * as input to enable listening of over-current indication
  7314. */
  7315. if (phy->flags & FLAGS_NOC)
  7316. return;
  7317. if (is_power_up)
  7318. val = (1<<4);
  7319. else
  7320. /* Set GPIO control to OUTPUT, and set the power bit
  7321. * to according to the is_power_up
  7322. */
  7323. val = (1<<1);
  7324. bnx2x_cl45_write(bp, phy,
  7325. MDIO_PMA_DEVAD,
  7326. MDIO_PMA_REG_8727_GPIO_CTRL,
  7327. val);
  7328. }
  7329. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7330. struct bnx2x_phy *phy,
  7331. u16 edc_mode)
  7332. {
  7333. u16 cur_limiting_mode;
  7334. bnx2x_cl45_read(bp, phy,
  7335. MDIO_PMA_DEVAD,
  7336. MDIO_PMA_REG_ROM_VER2,
  7337. &cur_limiting_mode);
  7338. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7339. cur_limiting_mode);
  7340. if (edc_mode == EDC_MODE_LIMITING) {
  7341. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7342. bnx2x_cl45_write(bp, phy,
  7343. MDIO_PMA_DEVAD,
  7344. MDIO_PMA_REG_ROM_VER2,
  7345. EDC_MODE_LIMITING);
  7346. } else { /* LRM mode ( default )*/
  7347. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7348. /* Changing to LRM mode takes quite few seconds. So do it only
  7349. * if current mode is limiting (default is LRM)
  7350. */
  7351. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7352. return 0;
  7353. bnx2x_cl45_write(bp, phy,
  7354. MDIO_PMA_DEVAD,
  7355. MDIO_PMA_REG_LRM_MODE,
  7356. 0);
  7357. bnx2x_cl45_write(bp, phy,
  7358. MDIO_PMA_DEVAD,
  7359. MDIO_PMA_REG_ROM_VER2,
  7360. 0x128);
  7361. bnx2x_cl45_write(bp, phy,
  7362. MDIO_PMA_DEVAD,
  7363. MDIO_PMA_REG_MISC_CTRL0,
  7364. 0x4008);
  7365. bnx2x_cl45_write(bp, phy,
  7366. MDIO_PMA_DEVAD,
  7367. MDIO_PMA_REG_LRM_MODE,
  7368. 0xaaaa);
  7369. }
  7370. return 0;
  7371. }
  7372. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7373. struct bnx2x_phy *phy,
  7374. u16 edc_mode)
  7375. {
  7376. u16 phy_identifier;
  7377. u16 rom_ver2_val;
  7378. bnx2x_cl45_read(bp, phy,
  7379. MDIO_PMA_DEVAD,
  7380. MDIO_PMA_REG_PHY_IDENTIFIER,
  7381. &phy_identifier);
  7382. bnx2x_cl45_write(bp, phy,
  7383. MDIO_PMA_DEVAD,
  7384. MDIO_PMA_REG_PHY_IDENTIFIER,
  7385. (phy_identifier & ~(1<<9)));
  7386. bnx2x_cl45_read(bp, phy,
  7387. MDIO_PMA_DEVAD,
  7388. MDIO_PMA_REG_ROM_VER2,
  7389. &rom_ver2_val);
  7390. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7391. bnx2x_cl45_write(bp, phy,
  7392. MDIO_PMA_DEVAD,
  7393. MDIO_PMA_REG_ROM_VER2,
  7394. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7395. bnx2x_cl45_write(bp, phy,
  7396. MDIO_PMA_DEVAD,
  7397. MDIO_PMA_REG_PHY_IDENTIFIER,
  7398. (phy_identifier | (1<<9)));
  7399. return 0;
  7400. }
  7401. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7402. struct link_params *params,
  7403. u32 action)
  7404. {
  7405. struct bnx2x *bp = params->bp;
  7406. u16 val;
  7407. switch (action) {
  7408. case DISABLE_TX:
  7409. bnx2x_sfp_set_transmitter(params, phy, 0);
  7410. break;
  7411. case ENABLE_TX:
  7412. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7413. bnx2x_sfp_set_transmitter(params, phy, 1);
  7414. break;
  7415. case PHY_INIT:
  7416. bnx2x_cl45_write(bp, phy,
  7417. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7418. (1<<2) | (1<<5));
  7419. bnx2x_cl45_write(bp, phy,
  7420. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7421. 0);
  7422. bnx2x_cl45_write(bp, phy,
  7423. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7424. /* Make MOD_ABS give interrupt on change */
  7425. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7426. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7427. &val);
  7428. val |= (1<<12);
  7429. if (phy->flags & FLAGS_NOC)
  7430. val |= (3<<5);
  7431. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7432. * status which reflect SFP+ module over-current
  7433. */
  7434. if (!(phy->flags & FLAGS_NOC))
  7435. val &= 0xff8f; /* Reset bits 4-6 */
  7436. bnx2x_cl45_write(bp, phy,
  7437. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7438. val);
  7439. break;
  7440. default:
  7441. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7442. action);
  7443. return;
  7444. }
  7445. }
  7446. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7447. u8 gpio_mode)
  7448. {
  7449. struct bnx2x *bp = params->bp;
  7450. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7451. offsetof(struct shmem_region,
  7452. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7453. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7454. switch (fault_led_gpio) {
  7455. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7456. return;
  7457. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7458. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7459. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7460. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7461. {
  7462. u8 gpio_port = bnx2x_get_gpio_port(params);
  7463. u16 gpio_pin = fault_led_gpio -
  7464. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7465. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7466. "pin %x port %x mode %x\n",
  7467. gpio_pin, gpio_port, gpio_mode);
  7468. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7469. }
  7470. break;
  7471. default:
  7472. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7473. fault_led_gpio);
  7474. }
  7475. }
  7476. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7477. u8 gpio_mode)
  7478. {
  7479. u32 pin_cfg;
  7480. u8 port = params->port;
  7481. struct bnx2x *bp = params->bp;
  7482. pin_cfg = (REG_RD(bp, params->shmem_base +
  7483. offsetof(struct shmem_region,
  7484. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7485. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7486. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7487. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7488. gpio_mode, pin_cfg);
  7489. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7490. }
  7491. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7492. u8 gpio_mode)
  7493. {
  7494. struct bnx2x *bp = params->bp;
  7495. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7496. if (CHIP_IS_E3(bp)) {
  7497. /* Low ==> if SFP+ module is supported otherwise
  7498. * High ==> if SFP+ module is not on the approved vendor list
  7499. */
  7500. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7501. } else
  7502. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7503. }
  7504. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7505. struct link_params *params)
  7506. {
  7507. struct bnx2x *bp = params->bp;
  7508. bnx2x_warpcore_power_module(params, 0);
  7509. /* Put Warpcore in low power mode */
  7510. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7511. /* Put LCPLL in low power mode */
  7512. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7513. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7514. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7515. }
  7516. static void bnx2x_power_sfp_module(struct link_params *params,
  7517. struct bnx2x_phy *phy,
  7518. u8 power)
  7519. {
  7520. struct bnx2x *bp = params->bp;
  7521. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7522. switch (phy->type) {
  7523. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7524. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7525. bnx2x_8727_power_module(params->bp, phy, power);
  7526. break;
  7527. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7528. bnx2x_warpcore_power_module(params, power);
  7529. break;
  7530. default:
  7531. break;
  7532. }
  7533. }
  7534. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7535. struct bnx2x_phy *phy,
  7536. u16 edc_mode)
  7537. {
  7538. u16 val = 0;
  7539. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7540. struct bnx2x *bp = params->bp;
  7541. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7542. /* This is a global register which controls all lanes */
  7543. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7544. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7545. val &= ~(0xf << (lane << 2));
  7546. switch (edc_mode) {
  7547. case EDC_MODE_LINEAR:
  7548. case EDC_MODE_LIMITING:
  7549. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7550. break;
  7551. case EDC_MODE_PASSIVE_DAC:
  7552. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7553. break;
  7554. default:
  7555. break;
  7556. }
  7557. val |= (mode << (lane << 2));
  7558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7559. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7560. /* A must read */
  7561. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7562. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7563. /* Restart microcode to re-read the new mode */
  7564. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7565. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7566. }
  7567. static void bnx2x_set_limiting_mode(struct link_params *params,
  7568. struct bnx2x_phy *phy,
  7569. u16 edc_mode)
  7570. {
  7571. switch (phy->type) {
  7572. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7573. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7574. break;
  7575. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7576. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7577. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7578. break;
  7579. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7580. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7581. break;
  7582. }
  7583. }
  7584. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7585. struct link_params *params)
  7586. {
  7587. struct bnx2x *bp = params->bp;
  7588. u16 edc_mode;
  7589. int rc = 0;
  7590. u32 val = REG_RD(bp, params->shmem_base +
  7591. offsetof(struct shmem_region, dev_info.
  7592. port_feature_config[params->port].config));
  7593. /* Enabled transmitter by default */
  7594. bnx2x_sfp_set_transmitter(params, phy, 1);
  7595. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7596. params->port);
  7597. /* Power up module */
  7598. bnx2x_power_sfp_module(params, phy, 1);
  7599. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7600. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7601. return -EINVAL;
  7602. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7603. /* Check SFP+ module compatibility */
  7604. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7605. rc = -EINVAL;
  7606. /* Turn on fault module-detected led */
  7607. bnx2x_set_sfp_module_fault_led(params,
  7608. MISC_REGISTERS_GPIO_HIGH);
  7609. /* Check if need to power down the SFP+ module */
  7610. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7611. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7612. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7613. bnx2x_power_sfp_module(params, phy, 0);
  7614. return rc;
  7615. }
  7616. } else {
  7617. /* Turn off fault module-detected led */
  7618. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7619. }
  7620. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7621. * is done automatically
  7622. */
  7623. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7624. /* Disable transmit for this module if the module is not approved, and
  7625. * laser needs to be disabled.
  7626. */
  7627. if ((rc) &&
  7628. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7629. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7630. bnx2x_sfp_set_transmitter(params, phy, 0);
  7631. return rc;
  7632. }
  7633. void bnx2x_handle_module_detect_int(struct link_params *params)
  7634. {
  7635. struct bnx2x *bp = params->bp;
  7636. struct bnx2x_phy *phy;
  7637. u32 gpio_val;
  7638. u8 gpio_num, gpio_port;
  7639. if (CHIP_IS_E3(bp)) {
  7640. phy = &params->phy[INT_PHY];
  7641. /* Always enable TX laser,will be disabled in case of fault */
  7642. bnx2x_sfp_set_transmitter(params, phy, 1);
  7643. } else {
  7644. phy = &params->phy[EXT_PHY1];
  7645. }
  7646. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7647. params->port, &gpio_num, &gpio_port) ==
  7648. -EINVAL) {
  7649. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7650. return;
  7651. }
  7652. /* Set valid module led off */
  7653. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7654. /* Get current gpio val reflecting module plugged in / out*/
  7655. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7656. /* Call the handling function in case module is detected */
  7657. if (gpio_val == 0) {
  7658. bnx2x_set_mdio_emac_per_phy(bp, params);
  7659. bnx2x_set_aer_mmd(params, phy);
  7660. bnx2x_power_sfp_module(params, phy, 1);
  7661. bnx2x_set_gpio_int(bp, gpio_num,
  7662. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7663. gpio_port);
  7664. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7665. bnx2x_sfp_module_detection(phy, params);
  7666. if (CHIP_IS_E3(bp)) {
  7667. u16 rx_tx_in_reset;
  7668. /* In case WC is out of reset, reconfigure the
  7669. * link speed while taking into account 1G
  7670. * module limitation.
  7671. */
  7672. bnx2x_cl45_read(bp, phy,
  7673. MDIO_WC_DEVAD,
  7674. MDIO_WC_REG_DIGITAL5_MISC6,
  7675. &rx_tx_in_reset);
  7676. if ((!rx_tx_in_reset) &&
  7677. (params->link_flags &
  7678. PHY_INITIALIZED)) {
  7679. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7680. bnx2x_warpcore_config_sfi(phy, params);
  7681. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7682. }
  7683. }
  7684. } else {
  7685. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7686. }
  7687. } else {
  7688. bnx2x_set_gpio_int(bp, gpio_num,
  7689. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7690. gpio_port);
  7691. /* Module was plugged out.
  7692. * Disable transmit for this module
  7693. */
  7694. phy->media_type = ETH_PHY_NOT_PRESENT;
  7695. }
  7696. }
  7697. /******************************************************************/
  7698. /* Used by 8706 and 8727 */
  7699. /******************************************************************/
  7700. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7701. struct bnx2x_phy *phy,
  7702. u16 alarm_status_offset,
  7703. u16 alarm_ctrl_offset)
  7704. {
  7705. u16 alarm_status, val;
  7706. bnx2x_cl45_read(bp, phy,
  7707. MDIO_PMA_DEVAD, alarm_status_offset,
  7708. &alarm_status);
  7709. bnx2x_cl45_read(bp, phy,
  7710. MDIO_PMA_DEVAD, alarm_status_offset,
  7711. &alarm_status);
  7712. /* Mask or enable the fault event. */
  7713. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7714. if (alarm_status & (1<<0))
  7715. val &= ~(1<<0);
  7716. else
  7717. val |= (1<<0);
  7718. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7719. }
  7720. /******************************************************************/
  7721. /* common BCM8706/BCM8726 PHY SECTION */
  7722. /******************************************************************/
  7723. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7724. struct link_params *params,
  7725. struct link_vars *vars)
  7726. {
  7727. u8 link_up = 0;
  7728. u16 val1, val2, rx_sd, pcs_status;
  7729. struct bnx2x *bp = params->bp;
  7730. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7731. /* Clear RX Alarm*/
  7732. bnx2x_cl45_read(bp, phy,
  7733. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7734. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7735. MDIO_PMA_LASI_TXCTRL);
  7736. /* Clear LASI indication*/
  7737. bnx2x_cl45_read(bp, phy,
  7738. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7739. bnx2x_cl45_read(bp, phy,
  7740. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7741. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7742. bnx2x_cl45_read(bp, phy,
  7743. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7744. bnx2x_cl45_read(bp, phy,
  7745. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7746. bnx2x_cl45_read(bp, phy,
  7747. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7748. bnx2x_cl45_read(bp, phy,
  7749. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7750. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7751. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7752. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7753. * are set, or if the autoneg bit 1 is set
  7754. */
  7755. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7756. if (link_up) {
  7757. if (val2 & (1<<1))
  7758. vars->line_speed = SPEED_1000;
  7759. else
  7760. vars->line_speed = SPEED_10000;
  7761. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7762. vars->duplex = DUPLEX_FULL;
  7763. }
  7764. /* Capture 10G link fault. Read twice to clear stale value. */
  7765. if (vars->line_speed == SPEED_10000) {
  7766. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7767. MDIO_PMA_LASI_TXSTAT, &val1);
  7768. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7769. MDIO_PMA_LASI_TXSTAT, &val1);
  7770. if (val1 & (1<<0))
  7771. vars->fault_detected = 1;
  7772. }
  7773. return link_up;
  7774. }
  7775. /******************************************************************/
  7776. /* BCM8706 PHY SECTION */
  7777. /******************************************************************/
  7778. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7779. struct link_params *params,
  7780. struct link_vars *vars)
  7781. {
  7782. u32 tx_en_mode;
  7783. u16 cnt, val, tmp1;
  7784. struct bnx2x *bp = params->bp;
  7785. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7786. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7787. /* HW reset */
  7788. bnx2x_ext_phy_hw_reset(bp, params->port);
  7789. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7790. bnx2x_wait_reset_complete(bp, phy, params);
  7791. /* Wait until fw is loaded */
  7792. for (cnt = 0; cnt < 100; cnt++) {
  7793. bnx2x_cl45_read(bp, phy,
  7794. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7795. if (val)
  7796. break;
  7797. usleep_range(10000, 20000);
  7798. }
  7799. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7800. if ((params->feature_config_flags &
  7801. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7802. u8 i;
  7803. u16 reg;
  7804. for (i = 0; i < 4; i++) {
  7805. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7806. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7807. MDIO_XS_8706_REG_BANK_RX0);
  7808. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7809. /* Clear first 3 bits of the control */
  7810. val &= ~0x7;
  7811. /* Set control bits according to configuration */
  7812. val |= (phy->rx_preemphasis[i] & 0x7);
  7813. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7814. " reg 0x%x <-- val 0x%x\n", reg, val);
  7815. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7816. }
  7817. }
  7818. /* Force speed */
  7819. if (phy->req_line_speed == SPEED_10000) {
  7820. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7821. bnx2x_cl45_write(bp, phy,
  7822. MDIO_PMA_DEVAD,
  7823. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7824. bnx2x_cl45_write(bp, phy,
  7825. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7826. 0);
  7827. /* Arm LASI for link and Tx fault. */
  7828. bnx2x_cl45_write(bp, phy,
  7829. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7830. } else {
  7831. /* Force 1Gbps using autoneg with 1G advertisement */
  7832. /* Allow CL37 through CL73 */
  7833. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7834. bnx2x_cl45_write(bp, phy,
  7835. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7836. /* Enable Full-Duplex advertisement on CL37 */
  7837. bnx2x_cl45_write(bp, phy,
  7838. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7839. /* Enable CL37 AN */
  7840. bnx2x_cl45_write(bp, phy,
  7841. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7842. /* 1G support */
  7843. bnx2x_cl45_write(bp, phy,
  7844. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7845. /* Enable clause 73 AN */
  7846. bnx2x_cl45_write(bp, phy,
  7847. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7848. bnx2x_cl45_write(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7850. 0x0400);
  7851. bnx2x_cl45_write(bp, phy,
  7852. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7853. 0x0004);
  7854. }
  7855. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7856. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7857. * power mode, if TX Laser is disabled
  7858. */
  7859. tx_en_mode = REG_RD(bp, params->shmem_base +
  7860. offsetof(struct shmem_region,
  7861. dev_info.port_hw_config[params->port].sfp_ctrl))
  7862. & PORT_HW_CFG_TX_LASER_MASK;
  7863. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7864. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7865. bnx2x_cl45_read(bp, phy,
  7866. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7867. tmp1 |= 0x1;
  7868. bnx2x_cl45_write(bp, phy,
  7869. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7870. }
  7871. return 0;
  7872. }
  7873. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7874. struct link_params *params,
  7875. struct link_vars *vars)
  7876. {
  7877. return bnx2x_8706_8726_read_status(phy, params, vars);
  7878. }
  7879. /******************************************************************/
  7880. /* BCM8726 PHY SECTION */
  7881. /******************************************************************/
  7882. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7883. struct link_params *params)
  7884. {
  7885. struct bnx2x *bp = params->bp;
  7886. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7887. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7888. }
  7889. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7890. struct link_params *params)
  7891. {
  7892. struct bnx2x *bp = params->bp;
  7893. /* Need to wait 100ms after reset */
  7894. msleep(100);
  7895. /* Micro controller re-boot */
  7896. bnx2x_cl45_write(bp, phy,
  7897. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7898. /* Set soft reset */
  7899. bnx2x_cl45_write(bp, phy,
  7900. MDIO_PMA_DEVAD,
  7901. MDIO_PMA_REG_GEN_CTRL,
  7902. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7903. bnx2x_cl45_write(bp, phy,
  7904. MDIO_PMA_DEVAD,
  7905. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7906. bnx2x_cl45_write(bp, phy,
  7907. MDIO_PMA_DEVAD,
  7908. MDIO_PMA_REG_GEN_CTRL,
  7909. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7910. /* Wait for 150ms for microcode load */
  7911. msleep(150);
  7912. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_PMA_DEVAD,
  7915. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7916. msleep(200);
  7917. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7918. }
  7919. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7920. struct link_params *params,
  7921. struct link_vars *vars)
  7922. {
  7923. struct bnx2x *bp = params->bp;
  7924. u16 val1;
  7925. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7926. if (link_up) {
  7927. bnx2x_cl45_read(bp, phy,
  7928. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7929. &val1);
  7930. if (val1 & (1<<15)) {
  7931. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7932. link_up = 0;
  7933. vars->line_speed = 0;
  7934. }
  7935. }
  7936. return link_up;
  7937. }
  7938. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7939. struct link_params *params,
  7940. struct link_vars *vars)
  7941. {
  7942. struct bnx2x *bp = params->bp;
  7943. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7944. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7945. bnx2x_wait_reset_complete(bp, phy, params);
  7946. bnx2x_8726_external_rom_boot(phy, params);
  7947. /* Need to call module detected on initialization since the module
  7948. * detection triggered by actual module insertion might occur before
  7949. * driver is loaded, and when driver is loaded, it reset all
  7950. * registers, including the transmitter
  7951. */
  7952. bnx2x_sfp_module_detection(phy, params);
  7953. if (phy->req_line_speed == SPEED_1000) {
  7954. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7955. bnx2x_cl45_write(bp, phy,
  7956. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7957. bnx2x_cl45_write(bp, phy,
  7958. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7959. bnx2x_cl45_write(bp, phy,
  7960. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7961. bnx2x_cl45_write(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7963. 0x400);
  7964. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7965. (phy->speed_cap_mask &
  7966. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7967. ((phy->speed_cap_mask &
  7968. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7969. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7970. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7971. /* Set Flow control */
  7972. bnx2x_ext_phy_set_pause(params, phy, vars);
  7973. bnx2x_cl45_write(bp, phy,
  7974. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7975. bnx2x_cl45_write(bp, phy,
  7976. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7977. bnx2x_cl45_write(bp, phy,
  7978. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7979. bnx2x_cl45_write(bp, phy,
  7980. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7981. bnx2x_cl45_write(bp, phy,
  7982. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7983. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7984. * change
  7985. */
  7986. bnx2x_cl45_write(bp, phy,
  7987. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7988. bnx2x_cl45_write(bp, phy,
  7989. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7990. 0x400);
  7991. } else { /* Default 10G. Set only LASI control */
  7992. bnx2x_cl45_write(bp, phy,
  7993. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7994. }
  7995. /* Set TX PreEmphasis if needed */
  7996. if ((params->feature_config_flags &
  7997. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7998. DP(NETIF_MSG_LINK,
  7999. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8000. phy->tx_preemphasis[0],
  8001. phy->tx_preemphasis[1]);
  8002. bnx2x_cl45_write(bp, phy,
  8003. MDIO_PMA_DEVAD,
  8004. MDIO_PMA_REG_8726_TX_CTRL1,
  8005. phy->tx_preemphasis[0]);
  8006. bnx2x_cl45_write(bp, phy,
  8007. MDIO_PMA_DEVAD,
  8008. MDIO_PMA_REG_8726_TX_CTRL2,
  8009. phy->tx_preemphasis[1]);
  8010. }
  8011. return 0;
  8012. }
  8013. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  8014. struct link_params *params)
  8015. {
  8016. struct bnx2x *bp = params->bp;
  8017. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  8018. /* Set serial boot control for external load */
  8019. bnx2x_cl45_write(bp, phy,
  8020. MDIO_PMA_DEVAD,
  8021. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  8022. }
  8023. /******************************************************************/
  8024. /* BCM8727 PHY SECTION */
  8025. /******************************************************************/
  8026. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  8027. struct link_params *params, u8 mode)
  8028. {
  8029. struct bnx2x *bp = params->bp;
  8030. u16 led_mode_bitmask = 0;
  8031. u16 gpio_pins_bitmask = 0;
  8032. u16 val;
  8033. /* Only NOC flavor requires to set the LED specifically */
  8034. if (!(phy->flags & FLAGS_NOC))
  8035. return;
  8036. switch (mode) {
  8037. case LED_MODE_FRONT_PANEL_OFF:
  8038. case LED_MODE_OFF:
  8039. led_mode_bitmask = 0;
  8040. gpio_pins_bitmask = 0x03;
  8041. break;
  8042. case LED_MODE_ON:
  8043. led_mode_bitmask = 0;
  8044. gpio_pins_bitmask = 0x02;
  8045. break;
  8046. case LED_MODE_OPER:
  8047. led_mode_bitmask = 0x60;
  8048. gpio_pins_bitmask = 0x11;
  8049. break;
  8050. }
  8051. bnx2x_cl45_read(bp, phy,
  8052. MDIO_PMA_DEVAD,
  8053. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8054. &val);
  8055. val &= 0xff8f;
  8056. val |= led_mode_bitmask;
  8057. bnx2x_cl45_write(bp, phy,
  8058. MDIO_PMA_DEVAD,
  8059. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8060. val);
  8061. bnx2x_cl45_read(bp, phy,
  8062. MDIO_PMA_DEVAD,
  8063. MDIO_PMA_REG_8727_GPIO_CTRL,
  8064. &val);
  8065. val &= 0xffe0;
  8066. val |= gpio_pins_bitmask;
  8067. bnx2x_cl45_write(bp, phy,
  8068. MDIO_PMA_DEVAD,
  8069. MDIO_PMA_REG_8727_GPIO_CTRL,
  8070. val);
  8071. }
  8072. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8073. struct link_params *params) {
  8074. u32 swap_val, swap_override;
  8075. u8 port;
  8076. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8077. * to cancel the swap done in set_gpio()
  8078. */
  8079. struct bnx2x *bp = params->bp;
  8080. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8081. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8082. port = (swap_val && swap_override) ^ 1;
  8083. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8084. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8085. }
  8086. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8087. struct link_params *params)
  8088. {
  8089. struct bnx2x *bp = params->bp;
  8090. u16 tmp1, val;
  8091. /* Set option 1G speed */
  8092. if ((phy->req_line_speed == SPEED_1000) ||
  8093. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8094. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8095. bnx2x_cl45_write(bp, phy,
  8096. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8097. bnx2x_cl45_write(bp, phy,
  8098. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8099. bnx2x_cl45_read(bp, phy,
  8100. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8101. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8102. /* Power down the XAUI until link is up in case of dual-media
  8103. * and 1G
  8104. */
  8105. if (DUAL_MEDIA(params)) {
  8106. bnx2x_cl45_read(bp, phy,
  8107. MDIO_PMA_DEVAD,
  8108. MDIO_PMA_REG_8727_PCS_GP, &val);
  8109. val |= (3<<10);
  8110. bnx2x_cl45_write(bp, phy,
  8111. MDIO_PMA_DEVAD,
  8112. MDIO_PMA_REG_8727_PCS_GP, val);
  8113. }
  8114. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8115. ((phy->speed_cap_mask &
  8116. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8117. ((phy->speed_cap_mask &
  8118. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8119. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8120. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8121. bnx2x_cl45_write(bp, phy,
  8122. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8123. bnx2x_cl45_write(bp, phy,
  8124. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8125. } else {
  8126. /* Since the 8727 has only single reset pin, need to set the 10G
  8127. * registers although it is default
  8128. */
  8129. bnx2x_cl45_write(bp, phy,
  8130. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8131. 0x0020);
  8132. bnx2x_cl45_write(bp, phy,
  8133. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8134. bnx2x_cl45_write(bp, phy,
  8135. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8136. bnx2x_cl45_write(bp, phy,
  8137. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8138. 0x0008);
  8139. }
  8140. }
  8141. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8142. struct link_params *params,
  8143. struct link_vars *vars)
  8144. {
  8145. u32 tx_en_mode;
  8146. u16 tmp1, mod_abs, tmp2;
  8147. struct bnx2x *bp = params->bp;
  8148. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8149. bnx2x_wait_reset_complete(bp, phy, params);
  8150. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8151. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8152. /* Initially configure MOD_ABS to interrupt when module is
  8153. * presence( bit 8)
  8154. */
  8155. bnx2x_cl45_read(bp, phy,
  8156. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8157. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8158. * When the EDC is off it locks onto a reference clock and avoids
  8159. * becoming 'lost'
  8160. */
  8161. mod_abs &= ~(1<<8);
  8162. if (!(phy->flags & FLAGS_NOC))
  8163. mod_abs &= ~(1<<9);
  8164. bnx2x_cl45_write(bp, phy,
  8165. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8166. /* Enable/Disable PHY transmitter output */
  8167. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8168. bnx2x_8727_power_module(bp, phy, 1);
  8169. bnx2x_cl45_read(bp, phy,
  8170. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8171. bnx2x_cl45_read(bp, phy,
  8172. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8173. bnx2x_8727_config_speed(phy, params);
  8174. /* Set TX PreEmphasis if needed */
  8175. if ((params->feature_config_flags &
  8176. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8177. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8178. phy->tx_preemphasis[0],
  8179. phy->tx_preemphasis[1]);
  8180. bnx2x_cl45_write(bp, phy,
  8181. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8182. phy->tx_preemphasis[0]);
  8183. bnx2x_cl45_write(bp, phy,
  8184. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8185. phy->tx_preemphasis[1]);
  8186. }
  8187. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8188. * power mode, if TX Laser is disabled
  8189. */
  8190. tx_en_mode = REG_RD(bp, params->shmem_base +
  8191. offsetof(struct shmem_region,
  8192. dev_info.port_hw_config[params->port].sfp_ctrl))
  8193. & PORT_HW_CFG_TX_LASER_MASK;
  8194. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8195. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8196. bnx2x_cl45_read(bp, phy,
  8197. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8198. tmp2 |= 0x1000;
  8199. tmp2 &= 0xFFEF;
  8200. bnx2x_cl45_write(bp, phy,
  8201. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8202. bnx2x_cl45_read(bp, phy,
  8203. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8204. &tmp2);
  8205. bnx2x_cl45_write(bp, phy,
  8206. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8207. (tmp2 & 0x7fff));
  8208. }
  8209. return 0;
  8210. }
  8211. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8212. struct link_params *params)
  8213. {
  8214. struct bnx2x *bp = params->bp;
  8215. u16 mod_abs, rx_alarm_status;
  8216. u32 val = REG_RD(bp, params->shmem_base +
  8217. offsetof(struct shmem_region, dev_info.
  8218. port_feature_config[params->port].
  8219. config));
  8220. bnx2x_cl45_read(bp, phy,
  8221. MDIO_PMA_DEVAD,
  8222. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8223. if (mod_abs & (1<<8)) {
  8224. /* Module is absent */
  8225. DP(NETIF_MSG_LINK,
  8226. "MOD_ABS indication show module is absent\n");
  8227. phy->media_type = ETH_PHY_NOT_PRESENT;
  8228. /* 1. Set mod_abs to detect next module
  8229. * presence event
  8230. * 2. Set EDC off by setting OPTXLOS signal input to low
  8231. * (bit 9).
  8232. * When the EDC is off it locks onto a reference clock and
  8233. * avoids becoming 'lost'.
  8234. */
  8235. mod_abs &= ~(1<<8);
  8236. if (!(phy->flags & FLAGS_NOC))
  8237. mod_abs &= ~(1<<9);
  8238. bnx2x_cl45_write(bp, phy,
  8239. MDIO_PMA_DEVAD,
  8240. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8241. /* Clear RX alarm since it stays up as long as
  8242. * the mod_abs wasn't changed
  8243. */
  8244. bnx2x_cl45_read(bp, phy,
  8245. MDIO_PMA_DEVAD,
  8246. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8247. } else {
  8248. /* Module is present */
  8249. DP(NETIF_MSG_LINK,
  8250. "MOD_ABS indication show module is present\n");
  8251. /* First disable transmitter, and if the module is ok, the
  8252. * module_detection will enable it
  8253. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8254. * 2. Restore the default polarity of the OPRXLOS signal and
  8255. * this signal will then correctly indicate the presence or
  8256. * absence of the Rx signal. (bit 9)
  8257. */
  8258. mod_abs |= (1<<8);
  8259. if (!(phy->flags & FLAGS_NOC))
  8260. mod_abs |= (1<<9);
  8261. bnx2x_cl45_write(bp, phy,
  8262. MDIO_PMA_DEVAD,
  8263. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8264. /* Clear RX alarm since it stays up as long as the mod_abs
  8265. * wasn't changed. This is need to be done before calling the
  8266. * module detection, otherwise it will clear* the link update
  8267. * alarm
  8268. */
  8269. bnx2x_cl45_read(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8272. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8273. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8274. bnx2x_sfp_set_transmitter(params, phy, 0);
  8275. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8276. bnx2x_sfp_module_detection(phy, params);
  8277. else
  8278. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8279. /* Reconfigure link speed based on module type limitations */
  8280. bnx2x_8727_config_speed(phy, params);
  8281. }
  8282. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8283. rx_alarm_status);
  8284. /* No need to check link status in case of module plugged in/out */
  8285. }
  8286. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8287. struct link_params *params,
  8288. struct link_vars *vars)
  8289. {
  8290. struct bnx2x *bp = params->bp;
  8291. u8 link_up = 0, oc_port = params->port;
  8292. u16 link_status = 0;
  8293. u16 rx_alarm_status, lasi_ctrl, val1;
  8294. /* If PHY is not initialized, do not check link status */
  8295. bnx2x_cl45_read(bp, phy,
  8296. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8297. &lasi_ctrl);
  8298. if (!lasi_ctrl)
  8299. return 0;
  8300. /* Check the LASI on Rx */
  8301. bnx2x_cl45_read(bp, phy,
  8302. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8303. &rx_alarm_status);
  8304. vars->line_speed = 0;
  8305. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8306. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8307. MDIO_PMA_LASI_TXCTRL);
  8308. bnx2x_cl45_read(bp, phy,
  8309. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8310. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8311. /* Clear MSG-OUT */
  8312. bnx2x_cl45_read(bp, phy,
  8313. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8314. /* If a module is present and there is need to check
  8315. * for over current
  8316. */
  8317. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8318. /* Check over-current using 8727 GPIO0 input*/
  8319. bnx2x_cl45_read(bp, phy,
  8320. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8321. &val1);
  8322. if ((val1 & (1<<8)) == 0) {
  8323. if (!CHIP_IS_E1x(bp))
  8324. oc_port = BP_PATH(bp) + (params->port << 1);
  8325. DP(NETIF_MSG_LINK,
  8326. "8727 Power fault has been detected on port %d\n",
  8327. oc_port);
  8328. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8329. "been detected and the power to "
  8330. "that SFP+ module has been removed "
  8331. "to prevent failure of the card. "
  8332. "Please remove the SFP+ module and "
  8333. "restart the system to clear this "
  8334. "error.\n",
  8335. oc_port);
  8336. /* Disable all RX_ALARMs except for mod_abs */
  8337. bnx2x_cl45_write(bp, phy,
  8338. MDIO_PMA_DEVAD,
  8339. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8340. bnx2x_cl45_read(bp, phy,
  8341. MDIO_PMA_DEVAD,
  8342. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8343. /* Wait for module_absent_event */
  8344. val1 |= (1<<8);
  8345. bnx2x_cl45_write(bp, phy,
  8346. MDIO_PMA_DEVAD,
  8347. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8348. /* Clear RX alarm */
  8349. bnx2x_cl45_read(bp, phy,
  8350. MDIO_PMA_DEVAD,
  8351. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8352. bnx2x_8727_power_module(params->bp, phy, 0);
  8353. return 0;
  8354. }
  8355. } /* Over current check */
  8356. /* When module absent bit is set, check module */
  8357. if (rx_alarm_status & (1<<5)) {
  8358. bnx2x_8727_handle_mod_abs(phy, params);
  8359. /* Enable all mod_abs and link detection bits */
  8360. bnx2x_cl45_write(bp, phy,
  8361. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8362. ((1<<5) | (1<<2)));
  8363. }
  8364. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8365. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8366. bnx2x_sfp_set_transmitter(params, phy, 1);
  8367. } else {
  8368. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8369. return 0;
  8370. }
  8371. bnx2x_cl45_read(bp, phy,
  8372. MDIO_PMA_DEVAD,
  8373. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8374. /* Bits 0..2 --> speed detected,
  8375. * Bits 13..15--> link is down
  8376. */
  8377. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8378. link_up = 1;
  8379. vars->line_speed = SPEED_10000;
  8380. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8381. params->port);
  8382. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8383. link_up = 1;
  8384. vars->line_speed = SPEED_1000;
  8385. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8386. params->port);
  8387. } else {
  8388. link_up = 0;
  8389. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8390. params->port);
  8391. }
  8392. /* Capture 10G link fault. */
  8393. if (vars->line_speed == SPEED_10000) {
  8394. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8395. MDIO_PMA_LASI_TXSTAT, &val1);
  8396. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8397. MDIO_PMA_LASI_TXSTAT, &val1);
  8398. if (val1 & (1<<0)) {
  8399. vars->fault_detected = 1;
  8400. }
  8401. }
  8402. if (link_up) {
  8403. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8404. vars->duplex = DUPLEX_FULL;
  8405. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8406. }
  8407. if ((DUAL_MEDIA(params)) &&
  8408. (phy->req_line_speed == SPEED_1000)) {
  8409. bnx2x_cl45_read(bp, phy,
  8410. MDIO_PMA_DEVAD,
  8411. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8412. /* In case of dual-media board and 1G, power up the XAUI side,
  8413. * otherwise power it down. For 10G it is done automatically
  8414. */
  8415. if (link_up)
  8416. val1 &= ~(3<<10);
  8417. else
  8418. val1 |= (3<<10);
  8419. bnx2x_cl45_write(bp, phy,
  8420. MDIO_PMA_DEVAD,
  8421. MDIO_PMA_REG_8727_PCS_GP, val1);
  8422. }
  8423. return link_up;
  8424. }
  8425. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8426. struct link_params *params)
  8427. {
  8428. struct bnx2x *bp = params->bp;
  8429. /* Enable/Disable PHY transmitter output */
  8430. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8431. /* Disable Transmitter */
  8432. bnx2x_sfp_set_transmitter(params, phy, 0);
  8433. /* Clear LASI */
  8434. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8435. }
  8436. /******************************************************************/
  8437. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8438. /******************************************************************/
  8439. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8440. struct bnx2x *bp,
  8441. u8 port)
  8442. {
  8443. u16 val, fw_ver2, cnt, i;
  8444. static struct bnx2x_reg_set reg_set[] = {
  8445. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8446. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8447. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8448. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8449. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8450. };
  8451. u16 fw_ver1;
  8452. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8453. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8454. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8455. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8456. phy->ver_addr);
  8457. } else {
  8458. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8459. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8460. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8461. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8462. reg_set[i].reg, reg_set[i].val);
  8463. for (cnt = 0; cnt < 100; cnt++) {
  8464. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8465. if (val & 1)
  8466. break;
  8467. udelay(5);
  8468. }
  8469. if (cnt == 100) {
  8470. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8471. "phy fw version(1)\n");
  8472. bnx2x_save_spirom_version(bp, port, 0,
  8473. phy->ver_addr);
  8474. return;
  8475. }
  8476. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8477. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8478. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8479. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8480. for (cnt = 0; cnt < 100; cnt++) {
  8481. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8482. if (val & 1)
  8483. break;
  8484. udelay(5);
  8485. }
  8486. if (cnt == 100) {
  8487. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8488. "version(2)\n");
  8489. bnx2x_save_spirom_version(bp, port, 0,
  8490. phy->ver_addr);
  8491. return;
  8492. }
  8493. /* lower 16 bits of the register SPI_FW_STATUS */
  8494. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8495. /* upper 16 bits of register SPI_FW_STATUS */
  8496. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8497. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8498. phy->ver_addr);
  8499. }
  8500. }
  8501. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8502. struct bnx2x_phy *phy)
  8503. {
  8504. u16 val, offset, i;
  8505. static struct bnx2x_reg_set reg_set[] = {
  8506. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8507. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8508. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8509. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8510. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8511. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8512. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8513. };
  8514. /* PHYC_CTL_LED_CTL */
  8515. bnx2x_cl45_read(bp, phy,
  8516. MDIO_PMA_DEVAD,
  8517. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8518. val &= 0xFE00;
  8519. val |= 0x0092;
  8520. bnx2x_cl45_write(bp, phy,
  8521. MDIO_PMA_DEVAD,
  8522. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8523. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8524. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8525. reg_set[i].val);
  8526. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8527. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8528. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8529. else
  8530. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8531. /* stretch_en for LED3*/
  8532. bnx2x_cl45_read_or_write(bp, phy,
  8533. MDIO_PMA_DEVAD, offset,
  8534. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8535. }
  8536. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8537. struct link_params *params,
  8538. u32 action)
  8539. {
  8540. struct bnx2x *bp = params->bp;
  8541. switch (action) {
  8542. case PHY_INIT:
  8543. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8544. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8545. /* Save spirom version */
  8546. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8547. }
  8548. /* This phy uses the NIG latch mechanism since link indication
  8549. * arrives through its LED4 and not via its LASI signal, so we
  8550. * get steady signal instead of clear on read
  8551. */
  8552. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8553. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8554. bnx2x_848xx_set_led(bp, phy);
  8555. break;
  8556. }
  8557. }
  8558. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8559. struct link_params *params,
  8560. struct link_vars *vars)
  8561. {
  8562. struct bnx2x *bp = params->bp;
  8563. u16 autoneg_val, an_1000_val, an_10_100_val;
  8564. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8565. bnx2x_cl45_write(bp, phy,
  8566. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8567. /* set 1000 speed advertisement */
  8568. bnx2x_cl45_read(bp, phy,
  8569. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8570. &an_1000_val);
  8571. bnx2x_ext_phy_set_pause(params, phy, vars);
  8572. bnx2x_cl45_read(bp, phy,
  8573. MDIO_AN_DEVAD,
  8574. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8575. &an_10_100_val);
  8576. bnx2x_cl45_read(bp, phy,
  8577. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8578. &autoneg_val);
  8579. /* Disable forced speed */
  8580. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8581. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8582. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8583. (phy->speed_cap_mask &
  8584. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8585. (phy->req_line_speed == SPEED_1000)) {
  8586. an_1000_val |= (1<<8);
  8587. autoneg_val |= (1<<9 | 1<<12);
  8588. if (phy->req_duplex == DUPLEX_FULL)
  8589. an_1000_val |= (1<<9);
  8590. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8591. } else
  8592. an_1000_val &= ~((1<<8) | (1<<9));
  8593. bnx2x_cl45_write(bp, phy,
  8594. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8595. an_1000_val);
  8596. /* set 100 speed advertisement */
  8597. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8598. (phy->speed_cap_mask &
  8599. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8600. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8601. an_10_100_val |= (1<<7);
  8602. /* Enable autoneg and restart autoneg for legacy speeds */
  8603. autoneg_val |= (1<<9 | 1<<12);
  8604. if (phy->req_duplex == DUPLEX_FULL)
  8605. an_10_100_val |= (1<<8);
  8606. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8607. }
  8608. /* set 10 speed advertisement */
  8609. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8610. (phy->speed_cap_mask &
  8611. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8612. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8613. (phy->supported &
  8614. (SUPPORTED_10baseT_Half |
  8615. SUPPORTED_10baseT_Full)))) {
  8616. an_10_100_val |= (1<<5);
  8617. autoneg_val |= (1<<9 | 1<<12);
  8618. if (phy->req_duplex == DUPLEX_FULL)
  8619. an_10_100_val |= (1<<6);
  8620. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8621. }
  8622. /* Only 10/100 are allowed to work in FORCE mode */
  8623. if ((phy->req_line_speed == SPEED_100) &&
  8624. (phy->supported &
  8625. (SUPPORTED_100baseT_Half |
  8626. SUPPORTED_100baseT_Full))) {
  8627. autoneg_val |= (1<<13);
  8628. /* Enabled AUTO-MDIX when autoneg is disabled */
  8629. bnx2x_cl45_write(bp, phy,
  8630. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8631. (1<<15 | 1<<9 | 7<<0));
  8632. /* The PHY needs this set even for forced link. */
  8633. an_10_100_val |= (1<<8) | (1<<7);
  8634. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8635. }
  8636. if ((phy->req_line_speed == SPEED_10) &&
  8637. (phy->supported &
  8638. (SUPPORTED_10baseT_Half |
  8639. SUPPORTED_10baseT_Full))) {
  8640. /* Enabled AUTO-MDIX when autoneg is disabled */
  8641. bnx2x_cl45_write(bp, phy,
  8642. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8643. (1<<15 | 1<<9 | 7<<0));
  8644. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8645. }
  8646. bnx2x_cl45_write(bp, phy,
  8647. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8648. an_10_100_val);
  8649. if (phy->req_duplex == DUPLEX_FULL)
  8650. autoneg_val |= (1<<8);
  8651. /* Always write this if this is not 84833/4.
  8652. * For 84833/4, write it only when it's a forced speed.
  8653. */
  8654. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8655. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8656. ((autoneg_val & (1<<12)) == 0))
  8657. bnx2x_cl45_write(bp, phy,
  8658. MDIO_AN_DEVAD,
  8659. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8660. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8661. (phy->speed_cap_mask &
  8662. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8663. (phy->req_line_speed == SPEED_10000)) {
  8664. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8665. /* Restart autoneg for 10G*/
  8666. bnx2x_cl45_read_or_write(
  8667. bp, phy,
  8668. MDIO_AN_DEVAD,
  8669. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8670. 0x1000);
  8671. bnx2x_cl45_write(bp, phy,
  8672. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8673. 0x3200);
  8674. } else
  8675. bnx2x_cl45_write(bp, phy,
  8676. MDIO_AN_DEVAD,
  8677. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8678. 1);
  8679. return 0;
  8680. }
  8681. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8682. struct link_params *params,
  8683. struct link_vars *vars)
  8684. {
  8685. struct bnx2x *bp = params->bp;
  8686. /* Restore normal power mode*/
  8687. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8688. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8689. /* HW reset */
  8690. bnx2x_ext_phy_hw_reset(bp, params->port);
  8691. bnx2x_wait_reset_complete(bp, phy, params);
  8692. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8693. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8694. }
  8695. #define PHY84833_CMDHDLR_WAIT 300
  8696. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8697. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8698. struct link_params *params, u16 fw_cmd,
  8699. u16 cmd_args[], int argc)
  8700. {
  8701. int idx;
  8702. u16 val;
  8703. struct bnx2x *bp = params->bp;
  8704. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8705. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8706. MDIO_84833_CMD_HDLR_STATUS,
  8707. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8708. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8709. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8710. MDIO_84833_CMD_HDLR_STATUS, &val);
  8711. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8712. break;
  8713. usleep_range(1000, 2000);
  8714. }
  8715. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8716. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8717. return -EINVAL;
  8718. }
  8719. /* Prepare argument(s) and issue command */
  8720. for (idx = 0; idx < argc; idx++) {
  8721. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8722. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8723. cmd_args[idx]);
  8724. }
  8725. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8726. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8727. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8728. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8729. MDIO_84833_CMD_HDLR_STATUS, &val);
  8730. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8731. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8732. break;
  8733. usleep_range(1000, 2000);
  8734. }
  8735. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8736. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8737. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8738. return -EINVAL;
  8739. }
  8740. /* Gather returning data */
  8741. for (idx = 0; idx < argc; idx++) {
  8742. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8743. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8744. &cmd_args[idx]);
  8745. }
  8746. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8747. MDIO_84833_CMD_HDLR_STATUS,
  8748. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8749. return 0;
  8750. }
  8751. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8752. struct link_params *params,
  8753. struct link_vars *vars)
  8754. {
  8755. u32 pair_swap;
  8756. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8757. int status;
  8758. struct bnx2x *bp = params->bp;
  8759. /* Check for configuration. */
  8760. pair_swap = REG_RD(bp, params->shmem_base +
  8761. offsetof(struct shmem_region,
  8762. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8763. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8764. if (pair_swap == 0)
  8765. return 0;
  8766. /* Only the second argument is used for this command */
  8767. data[1] = (u16)pair_swap;
  8768. status = bnx2x_84833_cmd_hdlr(phy, params,
  8769. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8770. if (status == 0)
  8771. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8772. return status;
  8773. }
  8774. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8775. u32 shmem_base_path[],
  8776. u32 chip_id)
  8777. {
  8778. u32 reset_pin[2];
  8779. u32 idx;
  8780. u8 reset_gpios;
  8781. if (CHIP_IS_E3(bp)) {
  8782. /* Assume that these will be GPIOs, not EPIOs. */
  8783. for (idx = 0; idx < 2; idx++) {
  8784. /* Map config param to register bit. */
  8785. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8786. offsetof(struct shmem_region,
  8787. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8788. reset_pin[idx] = (reset_pin[idx] &
  8789. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8790. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8791. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8792. reset_pin[idx] = (1 << reset_pin[idx]);
  8793. }
  8794. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8795. } else {
  8796. /* E2, look from diff place of shmem. */
  8797. for (idx = 0; idx < 2; idx++) {
  8798. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8799. offsetof(struct shmem_region,
  8800. dev_info.port_hw_config[0].default_cfg));
  8801. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8802. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8803. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8804. reset_pin[idx] = (1 << reset_pin[idx]);
  8805. }
  8806. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8807. }
  8808. return reset_gpios;
  8809. }
  8810. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8811. struct link_params *params)
  8812. {
  8813. struct bnx2x *bp = params->bp;
  8814. u8 reset_gpios;
  8815. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8816. offsetof(struct shmem2_region,
  8817. other_shmem_base_addr));
  8818. u32 shmem_base_path[2];
  8819. /* Work around for 84833 LED failure inside RESET status */
  8820. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8821. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8822. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8823. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8824. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8825. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8826. shmem_base_path[0] = params->shmem_base;
  8827. shmem_base_path[1] = other_shmem_base_addr;
  8828. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8829. params->chip_id);
  8830. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8831. udelay(10);
  8832. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8833. reset_gpios);
  8834. return 0;
  8835. }
  8836. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8837. struct link_params *params,
  8838. struct link_vars *vars)
  8839. {
  8840. int rc;
  8841. struct bnx2x *bp = params->bp;
  8842. u16 cmd_args = 0;
  8843. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8844. /* Prevent Phy from working in EEE and advertising it */
  8845. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8846. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8847. if (rc) {
  8848. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8849. return rc;
  8850. }
  8851. return bnx2x_eee_disable(phy, params, vars);
  8852. }
  8853. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8854. struct link_params *params,
  8855. struct link_vars *vars)
  8856. {
  8857. int rc;
  8858. struct bnx2x *bp = params->bp;
  8859. u16 cmd_args = 1;
  8860. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8861. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8862. if (rc) {
  8863. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8864. return rc;
  8865. }
  8866. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8867. }
  8868. #define PHY84833_CONSTANT_LATENCY 1193
  8869. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8870. struct link_params *params,
  8871. struct link_vars *vars)
  8872. {
  8873. struct bnx2x *bp = params->bp;
  8874. u8 port, initialize = 1;
  8875. u16 val;
  8876. u32 actual_phy_selection;
  8877. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8878. int rc = 0;
  8879. usleep_range(1000, 2000);
  8880. if (!(CHIP_IS_E1x(bp)))
  8881. port = BP_PATH(bp);
  8882. else
  8883. port = params->port;
  8884. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8885. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8886. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8887. port);
  8888. } else {
  8889. /* MDIO reset */
  8890. bnx2x_cl45_write(bp, phy,
  8891. MDIO_PMA_DEVAD,
  8892. MDIO_PMA_REG_CTRL, 0x8000);
  8893. }
  8894. bnx2x_wait_reset_complete(bp, phy, params);
  8895. /* Wait for GPHY to come out of reset */
  8896. msleep(50);
  8897. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8898. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8899. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8900. * behavior.
  8901. */
  8902. u16 temp;
  8903. temp = vars->line_speed;
  8904. vars->line_speed = SPEED_10000;
  8905. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8906. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8907. vars->line_speed = temp;
  8908. }
  8909. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8910. MDIO_CTL_REG_84823_MEDIA, &val);
  8911. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8912. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8913. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8914. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8915. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8916. if (CHIP_IS_E3(bp)) {
  8917. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8918. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8919. } else {
  8920. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8921. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8922. }
  8923. actual_phy_selection = bnx2x_phy_selection(params);
  8924. switch (actual_phy_selection) {
  8925. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8926. /* Do nothing. Essentially this is like the priority copper */
  8927. break;
  8928. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8929. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8930. break;
  8931. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8932. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8933. break;
  8934. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8935. /* Do nothing here. The first PHY won't be initialized at all */
  8936. break;
  8937. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8938. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8939. initialize = 0;
  8940. break;
  8941. }
  8942. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8943. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8944. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8945. MDIO_CTL_REG_84823_MEDIA, val);
  8946. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8947. params->multi_phy_config, val);
  8948. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8949. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8950. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8951. /* Keep AutogrEEEn disabled. */
  8952. cmd_args[0] = 0x0;
  8953. cmd_args[1] = 0x0;
  8954. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8955. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8956. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8957. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8958. PHY84833_CMDHDLR_MAX_ARGS);
  8959. if (rc)
  8960. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8961. }
  8962. if (initialize)
  8963. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8964. else
  8965. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8966. /* 84833 PHY has a better feature and doesn't need to support this. */
  8967. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8968. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8969. offsetof(struct shmem_region,
  8970. dev_info.port_hw_config[params->port].default_cfg)) &
  8971. PORT_HW_CFG_ENABLE_CMS_MASK;
  8972. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8973. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8974. if (cms_enable)
  8975. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8976. else
  8977. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8978. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8979. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8980. }
  8981. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8982. MDIO_84833_TOP_CFG_FW_REV, &val);
  8983. /* Configure EEE support */
  8984. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8985. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8986. bnx2x_eee_has_cap(params)) {
  8987. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8988. if (rc) {
  8989. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8990. bnx2x_8483x_disable_eee(phy, params, vars);
  8991. return rc;
  8992. }
  8993. if ((phy->req_duplex == DUPLEX_FULL) &&
  8994. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8995. (bnx2x_eee_calc_timer(params) ||
  8996. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8997. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8998. else
  8999. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  9000. if (rc) {
  9001. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  9002. return rc;
  9003. }
  9004. } else {
  9005. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  9006. }
  9007. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9008. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  9009. /* Bring PHY out of super isolate mode as the final step. */
  9010. bnx2x_cl45_read_and_write(bp, phy,
  9011. MDIO_CTL_DEVAD,
  9012. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  9013. (u16)~MDIO_84833_SUPER_ISOLATE);
  9014. }
  9015. return rc;
  9016. }
  9017. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  9018. struct link_params *params,
  9019. struct link_vars *vars)
  9020. {
  9021. struct bnx2x *bp = params->bp;
  9022. u16 val, val1, val2;
  9023. u8 link_up = 0;
  9024. /* Check 10G-BaseT link status */
  9025. /* Check PMD signal ok */
  9026. bnx2x_cl45_read(bp, phy,
  9027. MDIO_AN_DEVAD, 0xFFFA, &val1);
  9028. bnx2x_cl45_read(bp, phy,
  9029. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  9030. &val2);
  9031. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  9032. /* Check link 10G */
  9033. if (val2 & (1<<11)) {
  9034. vars->line_speed = SPEED_10000;
  9035. vars->duplex = DUPLEX_FULL;
  9036. link_up = 1;
  9037. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9038. } else { /* Check Legacy speed link */
  9039. u16 legacy_status, legacy_speed;
  9040. /* Enable expansion register 0x42 (Operation mode status) */
  9041. bnx2x_cl45_write(bp, phy,
  9042. MDIO_AN_DEVAD,
  9043. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9044. /* Get legacy speed operation status */
  9045. bnx2x_cl45_read(bp, phy,
  9046. MDIO_AN_DEVAD,
  9047. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9048. &legacy_status);
  9049. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9050. legacy_status);
  9051. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9052. legacy_speed = (legacy_status & (3<<9));
  9053. if (legacy_speed == (0<<9))
  9054. vars->line_speed = SPEED_10;
  9055. else if (legacy_speed == (1<<9))
  9056. vars->line_speed = SPEED_100;
  9057. else if (legacy_speed == (2<<9))
  9058. vars->line_speed = SPEED_1000;
  9059. else { /* Should not happen: Treat as link down */
  9060. vars->line_speed = 0;
  9061. link_up = 0;
  9062. }
  9063. if (link_up) {
  9064. if (legacy_status & (1<<8))
  9065. vars->duplex = DUPLEX_FULL;
  9066. else
  9067. vars->duplex = DUPLEX_HALF;
  9068. DP(NETIF_MSG_LINK,
  9069. "Link is up in %dMbps, is_duplex_full= %d\n",
  9070. vars->line_speed,
  9071. (vars->duplex == DUPLEX_FULL));
  9072. /* Check legacy speed AN resolution */
  9073. bnx2x_cl45_read(bp, phy,
  9074. MDIO_AN_DEVAD,
  9075. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9076. &val);
  9077. if (val & (1<<5))
  9078. vars->link_status |=
  9079. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9080. bnx2x_cl45_read(bp, phy,
  9081. MDIO_AN_DEVAD,
  9082. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9083. &val);
  9084. if ((val & (1<<0)) == 0)
  9085. vars->link_status |=
  9086. LINK_STATUS_PARALLEL_DETECTION_USED;
  9087. }
  9088. }
  9089. if (link_up) {
  9090. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9091. vars->line_speed);
  9092. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9093. /* Read LP advertised speeds */
  9094. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9095. MDIO_AN_REG_CL37_FC_LP, &val);
  9096. if (val & (1<<5))
  9097. vars->link_status |=
  9098. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9099. if (val & (1<<6))
  9100. vars->link_status |=
  9101. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9102. if (val & (1<<7))
  9103. vars->link_status |=
  9104. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9105. if (val & (1<<8))
  9106. vars->link_status |=
  9107. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9108. if (val & (1<<9))
  9109. vars->link_status |=
  9110. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9111. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9112. MDIO_AN_REG_1000T_STATUS, &val);
  9113. if (val & (1<<10))
  9114. vars->link_status |=
  9115. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9116. if (val & (1<<11))
  9117. vars->link_status |=
  9118. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9119. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9120. MDIO_AN_REG_MASTER_STATUS, &val);
  9121. if (val & (1<<11))
  9122. vars->link_status |=
  9123. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9124. /* Determine if EEE was negotiated */
  9125. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  9126. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  9127. bnx2x_eee_an_resolve(phy, params, vars);
  9128. }
  9129. return link_up;
  9130. }
  9131. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9132. {
  9133. int status = 0;
  9134. u32 spirom_ver;
  9135. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9136. status = bnx2x_format_ver(spirom_ver, str, len);
  9137. return status;
  9138. }
  9139. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9140. struct link_params *params)
  9141. {
  9142. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9143. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9144. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9145. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9146. }
  9147. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9148. struct link_params *params)
  9149. {
  9150. bnx2x_cl45_write(params->bp, phy,
  9151. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9152. bnx2x_cl45_write(params->bp, phy,
  9153. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9154. }
  9155. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9156. struct link_params *params)
  9157. {
  9158. struct bnx2x *bp = params->bp;
  9159. u8 port;
  9160. u16 val16;
  9161. if (!(CHIP_IS_E1x(bp)))
  9162. port = BP_PATH(bp);
  9163. else
  9164. port = params->port;
  9165. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9166. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9167. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9168. port);
  9169. } else {
  9170. bnx2x_cl45_read(bp, phy,
  9171. MDIO_CTL_DEVAD,
  9172. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9173. val16 |= MDIO_84833_SUPER_ISOLATE;
  9174. bnx2x_cl45_write(bp, phy,
  9175. MDIO_CTL_DEVAD,
  9176. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9177. }
  9178. }
  9179. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9180. struct link_params *params, u8 mode)
  9181. {
  9182. struct bnx2x *bp = params->bp;
  9183. u16 val;
  9184. u8 port;
  9185. if (!(CHIP_IS_E1x(bp)))
  9186. port = BP_PATH(bp);
  9187. else
  9188. port = params->port;
  9189. switch (mode) {
  9190. case LED_MODE_OFF:
  9191. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9192. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9193. SHARED_HW_CFG_LED_EXTPHY1) {
  9194. /* Set LED masks */
  9195. bnx2x_cl45_write(bp, phy,
  9196. MDIO_PMA_DEVAD,
  9197. MDIO_PMA_REG_8481_LED1_MASK,
  9198. 0x0);
  9199. bnx2x_cl45_write(bp, phy,
  9200. MDIO_PMA_DEVAD,
  9201. MDIO_PMA_REG_8481_LED2_MASK,
  9202. 0x0);
  9203. bnx2x_cl45_write(bp, phy,
  9204. MDIO_PMA_DEVAD,
  9205. MDIO_PMA_REG_8481_LED3_MASK,
  9206. 0x0);
  9207. bnx2x_cl45_write(bp, phy,
  9208. MDIO_PMA_DEVAD,
  9209. MDIO_PMA_REG_8481_LED5_MASK,
  9210. 0x0);
  9211. } else {
  9212. bnx2x_cl45_write(bp, phy,
  9213. MDIO_PMA_DEVAD,
  9214. MDIO_PMA_REG_8481_LED1_MASK,
  9215. 0x0);
  9216. }
  9217. break;
  9218. case LED_MODE_FRONT_PANEL_OFF:
  9219. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9220. port);
  9221. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9222. SHARED_HW_CFG_LED_EXTPHY1) {
  9223. /* Set LED masks */
  9224. bnx2x_cl45_write(bp, phy,
  9225. MDIO_PMA_DEVAD,
  9226. MDIO_PMA_REG_8481_LED1_MASK,
  9227. 0x0);
  9228. bnx2x_cl45_write(bp, phy,
  9229. MDIO_PMA_DEVAD,
  9230. MDIO_PMA_REG_8481_LED2_MASK,
  9231. 0x0);
  9232. bnx2x_cl45_write(bp, phy,
  9233. MDIO_PMA_DEVAD,
  9234. MDIO_PMA_REG_8481_LED3_MASK,
  9235. 0x0);
  9236. bnx2x_cl45_write(bp, phy,
  9237. MDIO_PMA_DEVAD,
  9238. MDIO_PMA_REG_8481_LED5_MASK,
  9239. 0x20);
  9240. } else {
  9241. bnx2x_cl45_write(bp, phy,
  9242. MDIO_PMA_DEVAD,
  9243. MDIO_PMA_REG_8481_LED1_MASK,
  9244. 0x0);
  9245. if (phy->type ==
  9246. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9247. /* Disable MI_INT interrupt before setting LED4
  9248. * source to constant off.
  9249. */
  9250. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9251. params->port*4) &
  9252. NIG_MASK_MI_INT) {
  9253. params->link_flags |=
  9254. LINK_FLAGS_INT_DISABLED;
  9255. bnx2x_bits_dis(
  9256. bp,
  9257. NIG_REG_MASK_INTERRUPT_PORT0 +
  9258. params->port*4,
  9259. NIG_MASK_MI_INT);
  9260. }
  9261. bnx2x_cl45_write(bp, phy,
  9262. MDIO_PMA_DEVAD,
  9263. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9264. 0x0);
  9265. }
  9266. }
  9267. break;
  9268. case LED_MODE_ON:
  9269. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9270. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9271. SHARED_HW_CFG_LED_EXTPHY1) {
  9272. /* Set control reg */
  9273. bnx2x_cl45_read(bp, phy,
  9274. MDIO_PMA_DEVAD,
  9275. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9276. &val);
  9277. val &= 0x8000;
  9278. val |= 0x2492;
  9279. bnx2x_cl45_write(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9282. val);
  9283. /* Set LED masks */
  9284. bnx2x_cl45_write(bp, phy,
  9285. MDIO_PMA_DEVAD,
  9286. MDIO_PMA_REG_8481_LED1_MASK,
  9287. 0x0);
  9288. bnx2x_cl45_write(bp, phy,
  9289. MDIO_PMA_DEVAD,
  9290. MDIO_PMA_REG_8481_LED2_MASK,
  9291. 0x20);
  9292. bnx2x_cl45_write(bp, phy,
  9293. MDIO_PMA_DEVAD,
  9294. MDIO_PMA_REG_8481_LED3_MASK,
  9295. 0x20);
  9296. bnx2x_cl45_write(bp, phy,
  9297. MDIO_PMA_DEVAD,
  9298. MDIO_PMA_REG_8481_LED5_MASK,
  9299. 0x0);
  9300. } else {
  9301. bnx2x_cl45_write(bp, phy,
  9302. MDIO_PMA_DEVAD,
  9303. MDIO_PMA_REG_8481_LED1_MASK,
  9304. 0x20);
  9305. if (phy->type ==
  9306. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9307. /* Disable MI_INT interrupt before setting LED4
  9308. * source to constant on.
  9309. */
  9310. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9311. params->port*4) &
  9312. NIG_MASK_MI_INT) {
  9313. params->link_flags |=
  9314. LINK_FLAGS_INT_DISABLED;
  9315. bnx2x_bits_dis(
  9316. bp,
  9317. NIG_REG_MASK_INTERRUPT_PORT0 +
  9318. params->port*4,
  9319. NIG_MASK_MI_INT);
  9320. }
  9321. bnx2x_cl45_write(bp, phy,
  9322. MDIO_PMA_DEVAD,
  9323. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9324. 0x20);
  9325. }
  9326. }
  9327. break;
  9328. case LED_MODE_OPER:
  9329. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9330. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9331. SHARED_HW_CFG_LED_EXTPHY1) {
  9332. /* Set control reg */
  9333. bnx2x_cl45_read(bp, phy,
  9334. MDIO_PMA_DEVAD,
  9335. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9336. &val);
  9337. if (!((val &
  9338. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9339. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9340. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9341. bnx2x_cl45_write(bp, phy,
  9342. MDIO_PMA_DEVAD,
  9343. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9344. 0xa492);
  9345. }
  9346. /* Set LED masks */
  9347. bnx2x_cl45_write(bp, phy,
  9348. MDIO_PMA_DEVAD,
  9349. MDIO_PMA_REG_8481_LED1_MASK,
  9350. 0x10);
  9351. bnx2x_cl45_write(bp, phy,
  9352. MDIO_PMA_DEVAD,
  9353. MDIO_PMA_REG_8481_LED2_MASK,
  9354. 0x80);
  9355. bnx2x_cl45_write(bp, phy,
  9356. MDIO_PMA_DEVAD,
  9357. MDIO_PMA_REG_8481_LED3_MASK,
  9358. 0x98);
  9359. bnx2x_cl45_write(bp, phy,
  9360. MDIO_PMA_DEVAD,
  9361. MDIO_PMA_REG_8481_LED5_MASK,
  9362. 0x40);
  9363. } else {
  9364. bnx2x_cl45_write(bp, phy,
  9365. MDIO_PMA_DEVAD,
  9366. MDIO_PMA_REG_8481_LED1_MASK,
  9367. 0x80);
  9368. /* Tell LED3 to blink on source */
  9369. bnx2x_cl45_read(bp, phy,
  9370. MDIO_PMA_DEVAD,
  9371. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9372. &val);
  9373. val &= ~(7<<6);
  9374. val |= (1<<6); /* A83B[8:6]= 1 */
  9375. bnx2x_cl45_write(bp, phy,
  9376. MDIO_PMA_DEVAD,
  9377. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9378. val);
  9379. if (phy->type ==
  9380. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9381. /* Restore LED4 source to external link,
  9382. * and re-enable interrupts.
  9383. */
  9384. bnx2x_cl45_write(bp, phy,
  9385. MDIO_PMA_DEVAD,
  9386. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9387. 0x40);
  9388. if (params->link_flags &
  9389. LINK_FLAGS_INT_DISABLED) {
  9390. bnx2x_link_int_enable(params);
  9391. params->link_flags &=
  9392. ~LINK_FLAGS_INT_DISABLED;
  9393. }
  9394. }
  9395. }
  9396. break;
  9397. }
  9398. /* This is a workaround for E3+84833 until autoneg
  9399. * restart is fixed in f/w
  9400. */
  9401. if (CHIP_IS_E3(bp)) {
  9402. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9403. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9404. }
  9405. }
  9406. /******************************************************************/
  9407. /* 54618SE PHY SECTION */
  9408. /******************************************************************/
  9409. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9410. struct link_params *params,
  9411. u32 action)
  9412. {
  9413. struct bnx2x *bp = params->bp;
  9414. u16 temp;
  9415. switch (action) {
  9416. case PHY_INIT:
  9417. /* Configure LED4: set to INTR (0x6). */
  9418. /* Accessing shadow register 0xe. */
  9419. bnx2x_cl22_write(bp, phy,
  9420. MDIO_REG_GPHY_SHADOW,
  9421. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9422. bnx2x_cl22_read(bp, phy,
  9423. MDIO_REG_GPHY_SHADOW,
  9424. &temp);
  9425. temp &= ~(0xf << 4);
  9426. temp |= (0x6 << 4);
  9427. bnx2x_cl22_write(bp, phy,
  9428. MDIO_REG_GPHY_SHADOW,
  9429. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9430. /* Configure INTR based on link status change. */
  9431. bnx2x_cl22_write(bp, phy,
  9432. MDIO_REG_INTR_MASK,
  9433. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9434. break;
  9435. }
  9436. }
  9437. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9438. struct link_params *params,
  9439. struct link_vars *vars)
  9440. {
  9441. struct bnx2x *bp = params->bp;
  9442. u8 port;
  9443. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9444. u32 cfg_pin;
  9445. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9446. usleep_range(1000, 2000);
  9447. /* This works with E3 only, no need to check the chip
  9448. * before determining the port.
  9449. */
  9450. port = params->port;
  9451. cfg_pin = (REG_RD(bp, params->shmem_base +
  9452. offsetof(struct shmem_region,
  9453. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9454. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9455. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9456. /* Drive pin high to bring the GPHY out of reset. */
  9457. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9458. /* wait for GPHY to reset */
  9459. msleep(50);
  9460. /* reset phy */
  9461. bnx2x_cl22_write(bp, phy,
  9462. MDIO_PMA_REG_CTRL, 0x8000);
  9463. bnx2x_wait_reset_complete(bp, phy, params);
  9464. /* Wait for GPHY to reset */
  9465. msleep(50);
  9466. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9467. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9468. bnx2x_cl22_write(bp, phy,
  9469. MDIO_REG_GPHY_SHADOW,
  9470. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9471. bnx2x_cl22_read(bp, phy,
  9472. MDIO_REG_GPHY_SHADOW,
  9473. &temp);
  9474. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9475. bnx2x_cl22_write(bp, phy,
  9476. MDIO_REG_GPHY_SHADOW,
  9477. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9478. /* Set up fc */
  9479. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9480. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9481. fc_val = 0;
  9482. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9483. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9484. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9485. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9486. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9487. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9488. /* Read all advertisement */
  9489. bnx2x_cl22_read(bp, phy,
  9490. 0x09,
  9491. &an_1000_val);
  9492. bnx2x_cl22_read(bp, phy,
  9493. 0x04,
  9494. &an_10_100_val);
  9495. bnx2x_cl22_read(bp, phy,
  9496. MDIO_PMA_REG_CTRL,
  9497. &autoneg_val);
  9498. /* Disable forced speed */
  9499. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9500. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9501. (1<<11));
  9502. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9503. (phy->speed_cap_mask &
  9504. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9505. (phy->req_line_speed == SPEED_1000)) {
  9506. an_1000_val |= (1<<8);
  9507. autoneg_val |= (1<<9 | 1<<12);
  9508. if (phy->req_duplex == DUPLEX_FULL)
  9509. an_1000_val |= (1<<9);
  9510. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9511. } else
  9512. an_1000_val &= ~((1<<8) | (1<<9));
  9513. bnx2x_cl22_write(bp, phy,
  9514. 0x09,
  9515. an_1000_val);
  9516. bnx2x_cl22_read(bp, phy,
  9517. 0x09,
  9518. &an_1000_val);
  9519. /* Set 100 speed advertisement */
  9520. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9521. (phy->speed_cap_mask &
  9522. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9523. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9524. an_10_100_val |= (1<<7);
  9525. /* Enable autoneg and restart autoneg for legacy speeds */
  9526. autoneg_val |= (1<<9 | 1<<12);
  9527. if (phy->req_duplex == DUPLEX_FULL)
  9528. an_10_100_val |= (1<<8);
  9529. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9530. }
  9531. /* Set 10 speed advertisement */
  9532. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9533. (phy->speed_cap_mask &
  9534. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9535. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9536. an_10_100_val |= (1<<5);
  9537. autoneg_val |= (1<<9 | 1<<12);
  9538. if (phy->req_duplex == DUPLEX_FULL)
  9539. an_10_100_val |= (1<<6);
  9540. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9541. }
  9542. /* Only 10/100 are allowed to work in FORCE mode */
  9543. if (phy->req_line_speed == SPEED_100) {
  9544. autoneg_val |= (1<<13);
  9545. /* Enabled AUTO-MDIX when autoneg is disabled */
  9546. bnx2x_cl22_write(bp, phy,
  9547. 0x18,
  9548. (1<<15 | 1<<9 | 7<<0));
  9549. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9550. }
  9551. if (phy->req_line_speed == SPEED_10) {
  9552. /* Enabled AUTO-MDIX when autoneg is disabled */
  9553. bnx2x_cl22_write(bp, phy,
  9554. 0x18,
  9555. (1<<15 | 1<<9 | 7<<0));
  9556. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9557. }
  9558. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9559. int rc;
  9560. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9561. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9562. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9563. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9564. temp &= 0xfffe;
  9565. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9566. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9567. if (rc) {
  9568. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9569. bnx2x_eee_disable(phy, params, vars);
  9570. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9571. (phy->req_duplex == DUPLEX_FULL) &&
  9572. (bnx2x_eee_calc_timer(params) ||
  9573. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9574. /* Need to advertise EEE only when requested,
  9575. * and either no LPI assertion was requested,
  9576. * or it was requested and a valid timer was set.
  9577. * Also notice full duplex is required for EEE.
  9578. */
  9579. bnx2x_eee_advertise(phy, params, vars,
  9580. SHMEM_EEE_1G_ADV);
  9581. } else {
  9582. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9583. bnx2x_eee_disable(phy, params, vars);
  9584. }
  9585. } else {
  9586. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9587. SHMEM_EEE_SUPPORTED_SHIFT;
  9588. if (phy->flags & FLAGS_EEE) {
  9589. /* Handle legacy auto-grEEEn */
  9590. if (params->feature_config_flags &
  9591. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9592. temp = 6;
  9593. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9594. } else {
  9595. temp = 0;
  9596. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9597. }
  9598. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9599. MDIO_AN_REG_EEE_ADV, temp);
  9600. }
  9601. }
  9602. bnx2x_cl22_write(bp, phy,
  9603. 0x04,
  9604. an_10_100_val | fc_val);
  9605. if (phy->req_duplex == DUPLEX_FULL)
  9606. autoneg_val |= (1<<8);
  9607. bnx2x_cl22_write(bp, phy,
  9608. MDIO_PMA_REG_CTRL, autoneg_val);
  9609. return 0;
  9610. }
  9611. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9612. struct link_params *params, u8 mode)
  9613. {
  9614. struct bnx2x *bp = params->bp;
  9615. u16 temp;
  9616. bnx2x_cl22_write(bp, phy,
  9617. MDIO_REG_GPHY_SHADOW,
  9618. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9619. bnx2x_cl22_read(bp, phy,
  9620. MDIO_REG_GPHY_SHADOW,
  9621. &temp);
  9622. temp &= 0xff00;
  9623. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9624. switch (mode) {
  9625. case LED_MODE_FRONT_PANEL_OFF:
  9626. case LED_MODE_OFF:
  9627. temp |= 0x00ee;
  9628. break;
  9629. case LED_MODE_OPER:
  9630. temp |= 0x0001;
  9631. break;
  9632. case LED_MODE_ON:
  9633. temp |= 0x00ff;
  9634. break;
  9635. default:
  9636. break;
  9637. }
  9638. bnx2x_cl22_write(bp, phy,
  9639. MDIO_REG_GPHY_SHADOW,
  9640. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9641. return;
  9642. }
  9643. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9644. struct link_params *params)
  9645. {
  9646. struct bnx2x *bp = params->bp;
  9647. u32 cfg_pin;
  9648. u8 port;
  9649. /* In case of no EPIO routed to reset the GPHY, put it
  9650. * in low power mode.
  9651. */
  9652. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9653. /* This works with E3 only, no need to check the chip
  9654. * before determining the port.
  9655. */
  9656. port = params->port;
  9657. cfg_pin = (REG_RD(bp, params->shmem_base +
  9658. offsetof(struct shmem_region,
  9659. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9660. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9661. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9662. /* Drive pin low to put GPHY in reset. */
  9663. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9664. }
  9665. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9666. struct link_params *params,
  9667. struct link_vars *vars)
  9668. {
  9669. struct bnx2x *bp = params->bp;
  9670. u16 val;
  9671. u8 link_up = 0;
  9672. u16 legacy_status, legacy_speed;
  9673. /* Get speed operation status */
  9674. bnx2x_cl22_read(bp, phy,
  9675. MDIO_REG_GPHY_AUX_STATUS,
  9676. &legacy_status);
  9677. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9678. /* Read status to clear the PHY interrupt. */
  9679. bnx2x_cl22_read(bp, phy,
  9680. MDIO_REG_INTR_STATUS,
  9681. &val);
  9682. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9683. if (link_up) {
  9684. legacy_speed = (legacy_status & (7<<8));
  9685. if (legacy_speed == (7<<8)) {
  9686. vars->line_speed = SPEED_1000;
  9687. vars->duplex = DUPLEX_FULL;
  9688. } else if (legacy_speed == (6<<8)) {
  9689. vars->line_speed = SPEED_1000;
  9690. vars->duplex = DUPLEX_HALF;
  9691. } else if (legacy_speed == (5<<8)) {
  9692. vars->line_speed = SPEED_100;
  9693. vars->duplex = DUPLEX_FULL;
  9694. }
  9695. /* Omitting 100Base-T4 for now */
  9696. else if (legacy_speed == (3<<8)) {
  9697. vars->line_speed = SPEED_100;
  9698. vars->duplex = DUPLEX_HALF;
  9699. } else if (legacy_speed == (2<<8)) {
  9700. vars->line_speed = SPEED_10;
  9701. vars->duplex = DUPLEX_FULL;
  9702. } else if (legacy_speed == (1<<8)) {
  9703. vars->line_speed = SPEED_10;
  9704. vars->duplex = DUPLEX_HALF;
  9705. } else /* Should not happen */
  9706. vars->line_speed = 0;
  9707. DP(NETIF_MSG_LINK,
  9708. "Link is up in %dMbps, is_duplex_full= %d\n",
  9709. vars->line_speed,
  9710. (vars->duplex == DUPLEX_FULL));
  9711. /* Check legacy speed AN resolution */
  9712. bnx2x_cl22_read(bp, phy,
  9713. 0x01,
  9714. &val);
  9715. if (val & (1<<5))
  9716. vars->link_status |=
  9717. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9718. bnx2x_cl22_read(bp, phy,
  9719. 0x06,
  9720. &val);
  9721. if ((val & (1<<0)) == 0)
  9722. vars->link_status |=
  9723. LINK_STATUS_PARALLEL_DETECTION_USED;
  9724. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9725. vars->line_speed);
  9726. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9727. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9728. /* Report LP advertised speeds */
  9729. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9730. if (val & (1<<5))
  9731. vars->link_status |=
  9732. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9733. if (val & (1<<6))
  9734. vars->link_status |=
  9735. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9736. if (val & (1<<7))
  9737. vars->link_status |=
  9738. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9739. if (val & (1<<8))
  9740. vars->link_status |=
  9741. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9742. if (val & (1<<9))
  9743. vars->link_status |=
  9744. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9745. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9746. if (val & (1<<10))
  9747. vars->link_status |=
  9748. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9749. if (val & (1<<11))
  9750. vars->link_status |=
  9751. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9752. if ((phy->flags & FLAGS_EEE) &&
  9753. bnx2x_eee_has_cap(params))
  9754. bnx2x_eee_an_resolve(phy, params, vars);
  9755. }
  9756. }
  9757. return link_up;
  9758. }
  9759. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9760. struct link_params *params)
  9761. {
  9762. struct bnx2x *bp = params->bp;
  9763. u16 val;
  9764. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9765. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9766. /* Enable master/slave manual mmode and set to master */
  9767. /* mii write 9 [bits set 11 12] */
  9768. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9769. /* forced 1G and disable autoneg */
  9770. /* set val [mii read 0] */
  9771. /* set val [expr $val & [bits clear 6 12 13]] */
  9772. /* set val [expr $val | [bits set 6 8]] */
  9773. /* mii write 0 $val */
  9774. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9775. val &= ~((1<<6) | (1<<12) | (1<<13));
  9776. val |= (1<<6) | (1<<8);
  9777. bnx2x_cl22_write(bp, phy, 0x00, val);
  9778. /* Set external loopback and Tx using 6dB coding */
  9779. /* mii write 0x18 7 */
  9780. /* set val [mii read 0x18] */
  9781. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9782. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9783. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9784. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9785. /* This register opens the gate for the UMAC despite its name */
  9786. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9787. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9788. * length used by the MAC receive logic to check frames.
  9789. */
  9790. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9791. }
  9792. /******************************************************************/
  9793. /* SFX7101 PHY SECTION */
  9794. /******************************************************************/
  9795. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9796. struct link_params *params)
  9797. {
  9798. struct bnx2x *bp = params->bp;
  9799. /* SFX7101_XGXS_TEST1 */
  9800. bnx2x_cl45_write(bp, phy,
  9801. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9802. }
  9803. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9804. struct link_params *params,
  9805. struct link_vars *vars)
  9806. {
  9807. u16 fw_ver1, fw_ver2, val;
  9808. struct bnx2x *bp = params->bp;
  9809. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9810. /* Restore normal power mode*/
  9811. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9812. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9813. /* HW reset */
  9814. bnx2x_ext_phy_hw_reset(bp, params->port);
  9815. bnx2x_wait_reset_complete(bp, phy, params);
  9816. bnx2x_cl45_write(bp, phy,
  9817. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9818. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9819. bnx2x_cl45_write(bp, phy,
  9820. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9821. bnx2x_ext_phy_set_pause(params, phy, vars);
  9822. /* Restart autoneg */
  9823. bnx2x_cl45_read(bp, phy,
  9824. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9825. val |= 0x200;
  9826. bnx2x_cl45_write(bp, phy,
  9827. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9828. /* Save spirom version */
  9829. bnx2x_cl45_read(bp, phy,
  9830. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9831. bnx2x_cl45_read(bp, phy,
  9832. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9833. bnx2x_save_spirom_version(bp, params->port,
  9834. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9835. return 0;
  9836. }
  9837. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9838. struct link_params *params,
  9839. struct link_vars *vars)
  9840. {
  9841. struct bnx2x *bp = params->bp;
  9842. u8 link_up;
  9843. u16 val1, val2;
  9844. bnx2x_cl45_read(bp, phy,
  9845. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9846. bnx2x_cl45_read(bp, phy,
  9847. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9848. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9849. val2, val1);
  9850. bnx2x_cl45_read(bp, phy,
  9851. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9852. bnx2x_cl45_read(bp, phy,
  9853. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9854. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9855. val2, val1);
  9856. link_up = ((val1 & 4) == 4);
  9857. /* If link is up print the AN outcome of the SFX7101 PHY */
  9858. if (link_up) {
  9859. bnx2x_cl45_read(bp, phy,
  9860. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9861. &val2);
  9862. vars->line_speed = SPEED_10000;
  9863. vars->duplex = DUPLEX_FULL;
  9864. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9865. val2, (val2 & (1<<14)));
  9866. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9867. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9868. /* Read LP advertised speeds */
  9869. if (val2 & (1<<11))
  9870. vars->link_status |=
  9871. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9872. }
  9873. return link_up;
  9874. }
  9875. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9876. {
  9877. if (*len < 5)
  9878. return -EINVAL;
  9879. str[0] = (spirom_ver & 0xFF);
  9880. str[1] = (spirom_ver & 0xFF00) >> 8;
  9881. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9882. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9883. str[4] = '\0';
  9884. *len -= 5;
  9885. return 0;
  9886. }
  9887. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9888. {
  9889. u16 val, cnt;
  9890. bnx2x_cl45_read(bp, phy,
  9891. MDIO_PMA_DEVAD,
  9892. MDIO_PMA_REG_7101_RESET, &val);
  9893. for (cnt = 0; cnt < 10; cnt++) {
  9894. msleep(50);
  9895. /* Writes a self-clearing reset */
  9896. bnx2x_cl45_write(bp, phy,
  9897. MDIO_PMA_DEVAD,
  9898. MDIO_PMA_REG_7101_RESET,
  9899. (val | (1<<15)));
  9900. /* Wait for clear */
  9901. bnx2x_cl45_read(bp, phy,
  9902. MDIO_PMA_DEVAD,
  9903. MDIO_PMA_REG_7101_RESET, &val);
  9904. if ((val & (1<<15)) == 0)
  9905. break;
  9906. }
  9907. }
  9908. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9909. struct link_params *params) {
  9910. /* Low power mode is controlled by GPIO 2 */
  9911. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9912. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9913. /* The PHY reset is controlled by GPIO 1 */
  9914. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9915. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9916. }
  9917. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9918. struct link_params *params, u8 mode)
  9919. {
  9920. u16 val = 0;
  9921. struct bnx2x *bp = params->bp;
  9922. switch (mode) {
  9923. case LED_MODE_FRONT_PANEL_OFF:
  9924. case LED_MODE_OFF:
  9925. val = 2;
  9926. break;
  9927. case LED_MODE_ON:
  9928. val = 1;
  9929. break;
  9930. case LED_MODE_OPER:
  9931. val = 0;
  9932. break;
  9933. }
  9934. bnx2x_cl45_write(bp, phy,
  9935. MDIO_PMA_DEVAD,
  9936. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9937. val);
  9938. }
  9939. /******************************************************************/
  9940. /* STATIC PHY DECLARATION */
  9941. /******************************************************************/
  9942. static const struct bnx2x_phy phy_null = {
  9943. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9944. .addr = 0,
  9945. .def_md_devad = 0,
  9946. .flags = FLAGS_INIT_XGXS_FIRST,
  9947. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9948. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9949. .mdio_ctrl = 0,
  9950. .supported = 0,
  9951. .media_type = ETH_PHY_NOT_PRESENT,
  9952. .ver_addr = 0,
  9953. .req_flow_ctrl = 0,
  9954. .req_line_speed = 0,
  9955. .speed_cap_mask = 0,
  9956. .req_duplex = 0,
  9957. .rsrv = 0,
  9958. .config_init = (config_init_t)NULL,
  9959. .read_status = (read_status_t)NULL,
  9960. .link_reset = (link_reset_t)NULL,
  9961. .config_loopback = (config_loopback_t)NULL,
  9962. .format_fw_ver = (format_fw_ver_t)NULL,
  9963. .hw_reset = (hw_reset_t)NULL,
  9964. .set_link_led = (set_link_led_t)NULL,
  9965. .phy_specific_func = (phy_specific_func_t)NULL
  9966. };
  9967. static const struct bnx2x_phy phy_serdes = {
  9968. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9969. .addr = 0xff,
  9970. .def_md_devad = 0,
  9971. .flags = 0,
  9972. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9973. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9974. .mdio_ctrl = 0,
  9975. .supported = (SUPPORTED_10baseT_Half |
  9976. SUPPORTED_10baseT_Full |
  9977. SUPPORTED_100baseT_Half |
  9978. SUPPORTED_100baseT_Full |
  9979. SUPPORTED_1000baseT_Full |
  9980. SUPPORTED_2500baseX_Full |
  9981. SUPPORTED_TP |
  9982. SUPPORTED_Autoneg |
  9983. SUPPORTED_Pause |
  9984. SUPPORTED_Asym_Pause),
  9985. .media_type = ETH_PHY_BASE_T,
  9986. .ver_addr = 0,
  9987. .req_flow_ctrl = 0,
  9988. .req_line_speed = 0,
  9989. .speed_cap_mask = 0,
  9990. .req_duplex = 0,
  9991. .rsrv = 0,
  9992. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9993. .read_status = (read_status_t)bnx2x_link_settings_status,
  9994. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9995. .config_loopback = (config_loopback_t)NULL,
  9996. .format_fw_ver = (format_fw_ver_t)NULL,
  9997. .hw_reset = (hw_reset_t)NULL,
  9998. .set_link_led = (set_link_led_t)NULL,
  9999. .phy_specific_func = (phy_specific_func_t)NULL
  10000. };
  10001. static const struct bnx2x_phy phy_xgxs = {
  10002. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10003. .addr = 0xff,
  10004. .def_md_devad = 0,
  10005. .flags = 0,
  10006. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10007. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10008. .mdio_ctrl = 0,
  10009. .supported = (SUPPORTED_10baseT_Half |
  10010. SUPPORTED_10baseT_Full |
  10011. SUPPORTED_100baseT_Half |
  10012. SUPPORTED_100baseT_Full |
  10013. SUPPORTED_1000baseT_Full |
  10014. SUPPORTED_2500baseX_Full |
  10015. SUPPORTED_10000baseT_Full |
  10016. SUPPORTED_FIBRE |
  10017. SUPPORTED_Autoneg |
  10018. SUPPORTED_Pause |
  10019. SUPPORTED_Asym_Pause),
  10020. .media_type = ETH_PHY_CX4,
  10021. .ver_addr = 0,
  10022. .req_flow_ctrl = 0,
  10023. .req_line_speed = 0,
  10024. .speed_cap_mask = 0,
  10025. .req_duplex = 0,
  10026. .rsrv = 0,
  10027. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  10028. .read_status = (read_status_t)bnx2x_link_settings_status,
  10029. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  10030. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  10031. .format_fw_ver = (format_fw_ver_t)NULL,
  10032. .hw_reset = (hw_reset_t)NULL,
  10033. .set_link_led = (set_link_led_t)NULL,
  10034. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  10035. };
  10036. static const struct bnx2x_phy phy_warpcore = {
  10037. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  10038. .addr = 0xff,
  10039. .def_md_devad = 0,
  10040. .flags = FLAGS_TX_ERROR_CHECK,
  10041. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10042. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10043. .mdio_ctrl = 0,
  10044. .supported = (SUPPORTED_10baseT_Half |
  10045. SUPPORTED_10baseT_Full |
  10046. SUPPORTED_100baseT_Half |
  10047. SUPPORTED_100baseT_Full |
  10048. SUPPORTED_1000baseT_Full |
  10049. SUPPORTED_10000baseT_Full |
  10050. SUPPORTED_20000baseKR2_Full |
  10051. SUPPORTED_20000baseMLD2_Full |
  10052. SUPPORTED_FIBRE |
  10053. SUPPORTED_Autoneg |
  10054. SUPPORTED_Pause |
  10055. SUPPORTED_Asym_Pause),
  10056. .media_type = ETH_PHY_UNSPECIFIED,
  10057. .ver_addr = 0,
  10058. .req_flow_ctrl = 0,
  10059. .req_line_speed = 0,
  10060. .speed_cap_mask = 0,
  10061. /* req_duplex = */0,
  10062. /* rsrv = */0,
  10063. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10064. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10065. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10066. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10067. .format_fw_ver = (format_fw_ver_t)NULL,
  10068. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10069. .set_link_led = (set_link_led_t)NULL,
  10070. .phy_specific_func = (phy_specific_func_t)NULL
  10071. };
  10072. static const struct bnx2x_phy phy_7101 = {
  10073. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10074. .addr = 0xff,
  10075. .def_md_devad = 0,
  10076. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10077. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10078. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10079. .mdio_ctrl = 0,
  10080. .supported = (SUPPORTED_10000baseT_Full |
  10081. SUPPORTED_TP |
  10082. SUPPORTED_Autoneg |
  10083. SUPPORTED_Pause |
  10084. SUPPORTED_Asym_Pause),
  10085. .media_type = ETH_PHY_BASE_T,
  10086. .ver_addr = 0,
  10087. .req_flow_ctrl = 0,
  10088. .req_line_speed = 0,
  10089. .speed_cap_mask = 0,
  10090. .req_duplex = 0,
  10091. .rsrv = 0,
  10092. .config_init = (config_init_t)bnx2x_7101_config_init,
  10093. .read_status = (read_status_t)bnx2x_7101_read_status,
  10094. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10095. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10096. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10097. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10098. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10099. .phy_specific_func = (phy_specific_func_t)NULL
  10100. };
  10101. static const struct bnx2x_phy phy_8073 = {
  10102. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10103. .addr = 0xff,
  10104. .def_md_devad = 0,
  10105. .flags = 0,
  10106. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10107. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10108. .mdio_ctrl = 0,
  10109. .supported = (SUPPORTED_10000baseT_Full |
  10110. SUPPORTED_2500baseX_Full |
  10111. SUPPORTED_1000baseT_Full |
  10112. SUPPORTED_FIBRE |
  10113. SUPPORTED_Autoneg |
  10114. SUPPORTED_Pause |
  10115. SUPPORTED_Asym_Pause),
  10116. .media_type = ETH_PHY_KR,
  10117. .ver_addr = 0,
  10118. .req_flow_ctrl = 0,
  10119. .req_line_speed = 0,
  10120. .speed_cap_mask = 0,
  10121. .req_duplex = 0,
  10122. .rsrv = 0,
  10123. .config_init = (config_init_t)bnx2x_8073_config_init,
  10124. .read_status = (read_status_t)bnx2x_8073_read_status,
  10125. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10126. .config_loopback = (config_loopback_t)NULL,
  10127. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10128. .hw_reset = (hw_reset_t)NULL,
  10129. .set_link_led = (set_link_led_t)NULL,
  10130. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10131. };
  10132. static const struct bnx2x_phy phy_8705 = {
  10133. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10134. .addr = 0xff,
  10135. .def_md_devad = 0,
  10136. .flags = FLAGS_INIT_XGXS_FIRST,
  10137. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10138. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10139. .mdio_ctrl = 0,
  10140. .supported = (SUPPORTED_10000baseT_Full |
  10141. SUPPORTED_FIBRE |
  10142. SUPPORTED_Pause |
  10143. SUPPORTED_Asym_Pause),
  10144. .media_type = ETH_PHY_XFP_FIBER,
  10145. .ver_addr = 0,
  10146. .req_flow_ctrl = 0,
  10147. .req_line_speed = 0,
  10148. .speed_cap_mask = 0,
  10149. .req_duplex = 0,
  10150. .rsrv = 0,
  10151. .config_init = (config_init_t)bnx2x_8705_config_init,
  10152. .read_status = (read_status_t)bnx2x_8705_read_status,
  10153. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10154. .config_loopback = (config_loopback_t)NULL,
  10155. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10156. .hw_reset = (hw_reset_t)NULL,
  10157. .set_link_led = (set_link_led_t)NULL,
  10158. .phy_specific_func = (phy_specific_func_t)NULL
  10159. };
  10160. static const struct bnx2x_phy phy_8706 = {
  10161. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10162. .addr = 0xff,
  10163. .def_md_devad = 0,
  10164. .flags = FLAGS_INIT_XGXS_FIRST,
  10165. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10166. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10167. .mdio_ctrl = 0,
  10168. .supported = (SUPPORTED_10000baseT_Full |
  10169. SUPPORTED_1000baseT_Full |
  10170. SUPPORTED_FIBRE |
  10171. SUPPORTED_Pause |
  10172. SUPPORTED_Asym_Pause),
  10173. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10174. .ver_addr = 0,
  10175. .req_flow_ctrl = 0,
  10176. .req_line_speed = 0,
  10177. .speed_cap_mask = 0,
  10178. .req_duplex = 0,
  10179. .rsrv = 0,
  10180. .config_init = (config_init_t)bnx2x_8706_config_init,
  10181. .read_status = (read_status_t)bnx2x_8706_read_status,
  10182. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10183. .config_loopback = (config_loopback_t)NULL,
  10184. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10185. .hw_reset = (hw_reset_t)NULL,
  10186. .set_link_led = (set_link_led_t)NULL,
  10187. .phy_specific_func = (phy_specific_func_t)NULL
  10188. };
  10189. static const struct bnx2x_phy phy_8726 = {
  10190. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10191. .addr = 0xff,
  10192. .def_md_devad = 0,
  10193. .flags = (FLAGS_INIT_XGXS_FIRST |
  10194. FLAGS_TX_ERROR_CHECK),
  10195. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10196. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10197. .mdio_ctrl = 0,
  10198. .supported = (SUPPORTED_10000baseT_Full |
  10199. SUPPORTED_1000baseT_Full |
  10200. SUPPORTED_Autoneg |
  10201. SUPPORTED_FIBRE |
  10202. SUPPORTED_Pause |
  10203. SUPPORTED_Asym_Pause),
  10204. .media_type = ETH_PHY_NOT_PRESENT,
  10205. .ver_addr = 0,
  10206. .req_flow_ctrl = 0,
  10207. .req_line_speed = 0,
  10208. .speed_cap_mask = 0,
  10209. .req_duplex = 0,
  10210. .rsrv = 0,
  10211. .config_init = (config_init_t)bnx2x_8726_config_init,
  10212. .read_status = (read_status_t)bnx2x_8726_read_status,
  10213. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10214. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10215. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10216. .hw_reset = (hw_reset_t)NULL,
  10217. .set_link_led = (set_link_led_t)NULL,
  10218. .phy_specific_func = (phy_specific_func_t)NULL
  10219. };
  10220. static const struct bnx2x_phy phy_8727 = {
  10221. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10222. .addr = 0xff,
  10223. .def_md_devad = 0,
  10224. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10225. FLAGS_TX_ERROR_CHECK),
  10226. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10227. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10228. .mdio_ctrl = 0,
  10229. .supported = (SUPPORTED_10000baseT_Full |
  10230. SUPPORTED_1000baseT_Full |
  10231. SUPPORTED_FIBRE |
  10232. SUPPORTED_Pause |
  10233. SUPPORTED_Asym_Pause),
  10234. .media_type = ETH_PHY_NOT_PRESENT,
  10235. .ver_addr = 0,
  10236. .req_flow_ctrl = 0,
  10237. .req_line_speed = 0,
  10238. .speed_cap_mask = 0,
  10239. .req_duplex = 0,
  10240. .rsrv = 0,
  10241. .config_init = (config_init_t)bnx2x_8727_config_init,
  10242. .read_status = (read_status_t)bnx2x_8727_read_status,
  10243. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10244. .config_loopback = (config_loopback_t)NULL,
  10245. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10246. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10247. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10248. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10249. };
  10250. static const struct bnx2x_phy phy_8481 = {
  10251. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10252. .addr = 0xff,
  10253. .def_md_devad = 0,
  10254. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10255. FLAGS_REARM_LATCH_SIGNAL,
  10256. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10257. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10258. .mdio_ctrl = 0,
  10259. .supported = (SUPPORTED_10baseT_Half |
  10260. SUPPORTED_10baseT_Full |
  10261. SUPPORTED_100baseT_Half |
  10262. SUPPORTED_100baseT_Full |
  10263. SUPPORTED_1000baseT_Full |
  10264. SUPPORTED_10000baseT_Full |
  10265. SUPPORTED_TP |
  10266. SUPPORTED_Autoneg |
  10267. SUPPORTED_Pause |
  10268. SUPPORTED_Asym_Pause),
  10269. .media_type = ETH_PHY_BASE_T,
  10270. .ver_addr = 0,
  10271. .req_flow_ctrl = 0,
  10272. .req_line_speed = 0,
  10273. .speed_cap_mask = 0,
  10274. .req_duplex = 0,
  10275. .rsrv = 0,
  10276. .config_init = (config_init_t)bnx2x_8481_config_init,
  10277. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10278. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10279. .config_loopback = (config_loopback_t)NULL,
  10280. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10281. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10282. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10283. .phy_specific_func = (phy_specific_func_t)NULL
  10284. };
  10285. static const struct bnx2x_phy phy_84823 = {
  10286. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10287. .addr = 0xff,
  10288. .def_md_devad = 0,
  10289. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10290. FLAGS_REARM_LATCH_SIGNAL |
  10291. FLAGS_TX_ERROR_CHECK),
  10292. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10293. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10294. .mdio_ctrl = 0,
  10295. .supported = (SUPPORTED_10baseT_Half |
  10296. SUPPORTED_10baseT_Full |
  10297. SUPPORTED_100baseT_Half |
  10298. SUPPORTED_100baseT_Full |
  10299. SUPPORTED_1000baseT_Full |
  10300. SUPPORTED_10000baseT_Full |
  10301. SUPPORTED_TP |
  10302. SUPPORTED_Autoneg |
  10303. SUPPORTED_Pause |
  10304. SUPPORTED_Asym_Pause),
  10305. .media_type = ETH_PHY_BASE_T,
  10306. .ver_addr = 0,
  10307. .req_flow_ctrl = 0,
  10308. .req_line_speed = 0,
  10309. .speed_cap_mask = 0,
  10310. .req_duplex = 0,
  10311. .rsrv = 0,
  10312. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10313. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10314. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10315. .config_loopback = (config_loopback_t)NULL,
  10316. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10317. .hw_reset = (hw_reset_t)NULL,
  10318. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10319. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10320. };
  10321. static const struct bnx2x_phy phy_84833 = {
  10322. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10323. .addr = 0xff,
  10324. .def_md_devad = 0,
  10325. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10326. FLAGS_REARM_LATCH_SIGNAL |
  10327. FLAGS_TX_ERROR_CHECK),
  10328. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10329. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10330. .mdio_ctrl = 0,
  10331. .supported = (SUPPORTED_100baseT_Half |
  10332. SUPPORTED_100baseT_Full |
  10333. SUPPORTED_1000baseT_Full |
  10334. SUPPORTED_10000baseT_Full |
  10335. SUPPORTED_TP |
  10336. SUPPORTED_Autoneg |
  10337. SUPPORTED_Pause |
  10338. SUPPORTED_Asym_Pause),
  10339. .media_type = ETH_PHY_BASE_T,
  10340. .ver_addr = 0,
  10341. .req_flow_ctrl = 0,
  10342. .req_line_speed = 0,
  10343. .speed_cap_mask = 0,
  10344. .req_duplex = 0,
  10345. .rsrv = 0,
  10346. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10347. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10348. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10349. .config_loopback = (config_loopback_t)NULL,
  10350. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10351. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10352. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10353. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10354. };
  10355. static const struct bnx2x_phy phy_84834 = {
  10356. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10357. .addr = 0xff,
  10358. .def_md_devad = 0,
  10359. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10360. FLAGS_REARM_LATCH_SIGNAL,
  10361. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10362. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10363. .mdio_ctrl = 0,
  10364. .supported = (SUPPORTED_100baseT_Half |
  10365. SUPPORTED_100baseT_Full |
  10366. SUPPORTED_1000baseT_Full |
  10367. SUPPORTED_10000baseT_Full |
  10368. SUPPORTED_TP |
  10369. SUPPORTED_Autoneg |
  10370. SUPPORTED_Pause |
  10371. SUPPORTED_Asym_Pause),
  10372. .media_type = ETH_PHY_BASE_T,
  10373. .ver_addr = 0,
  10374. .req_flow_ctrl = 0,
  10375. .req_line_speed = 0,
  10376. .speed_cap_mask = 0,
  10377. .req_duplex = 0,
  10378. .rsrv = 0,
  10379. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10380. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10381. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10382. .config_loopback = (config_loopback_t)NULL,
  10383. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10384. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10385. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10386. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10387. };
  10388. static const struct bnx2x_phy phy_54618se = {
  10389. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10390. .addr = 0xff,
  10391. .def_md_devad = 0,
  10392. .flags = FLAGS_INIT_XGXS_FIRST,
  10393. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10394. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10395. .mdio_ctrl = 0,
  10396. .supported = (SUPPORTED_10baseT_Half |
  10397. SUPPORTED_10baseT_Full |
  10398. SUPPORTED_100baseT_Half |
  10399. SUPPORTED_100baseT_Full |
  10400. SUPPORTED_1000baseT_Full |
  10401. SUPPORTED_TP |
  10402. SUPPORTED_Autoneg |
  10403. SUPPORTED_Pause |
  10404. SUPPORTED_Asym_Pause),
  10405. .media_type = ETH_PHY_BASE_T,
  10406. .ver_addr = 0,
  10407. .req_flow_ctrl = 0,
  10408. .req_line_speed = 0,
  10409. .speed_cap_mask = 0,
  10410. /* req_duplex = */0,
  10411. /* rsrv = */0,
  10412. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10413. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10414. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10415. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10416. .format_fw_ver = (format_fw_ver_t)NULL,
  10417. .hw_reset = (hw_reset_t)NULL,
  10418. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10419. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10420. };
  10421. /*****************************************************************/
  10422. /* */
  10423. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10424. /* */
  10425. /*****************************************************************/
  10426. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10427. struct bnx2x_phy *phy, u8 port,
  10428. u8 phy_index)
  10429. {
  10430. /* Get the 4 lanes xgxs config rx and tx */
  10431. u32 rx = 0, tx = 0, i;
  10432. for (i = 0; i < 2; i++) {
  10433. /* INT_PHY and EXT_PHY1 share the same value location in
  10434. * the shmem. When num_phys is greater than 1, than this value
  10435. * applies only to EXT_PHY1
  10436. */
  10437. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10438. rx = REG_RD(bp, shmem_base +
  10439. offsetof(struct shmem_region,
  10440. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10441. tx = REG_RD(bp, shmem_base +
  10442. offsetof(struct shmem_region,
  10443. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10444. } else {
  10445. rx = REG_RD(bp, shmem_base +
  10446. offsetof(struct shmem_region,
  10447. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10448. tx = REG_RD(bp, shmem_base +
  10449. offsetof(struct shmem_region,
  10450. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10451. }
  10452. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10453. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10454. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10455. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10456. }
  10457. }
  10458. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10459. u8 phy_index, u8 port)
  10460. {
  10461. u32 ext_phy_config = 0;
  10462. switch (phy_index) {
  10463. case EXT_PHY1:
  10464. ext_phy_config = REG_RD(bp, shmem_base +
  10465. offsetof(struct shmem_region,
  10466. dev_info.port_hw_config[port].external_phy_config));
  10467. break;
  10468. case EXT_PHY2:
  10469. ext_phy_config = REG_RD(bp, shmem_base +
  10470. offsetof(struct shmem_region,
  10471. dev_info.port_hw_config[port].external_phy_config2));
  10472. break;
  10473. default:
  10474. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10475. return -EINVAL;
  10476. }
  10477. return ext_phy_config;
  10478. }
  10479. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10480. struct bnx2x_phy *phy)
  10481. {
  10482. u32 phy_addr;
  10483. u32 chip_id;
  10484. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10485. offsetof(struct shmem_region,
  10486. dev_info.port_feature_config[port].link_config)) &
  10487. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10488. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10489. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10490. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10491. if (USES_WARPCORE(bp)) {
  10492. u32 serdes_net_if;
  10493. phy_addr = REG_RD(bp,
  10494. MISC_REG_WC0_CTRL_PHY_ADDR);
  10495. *phy = phy_warpcore;
  10496. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10497. phy->flags |= FLAGS_4_PORT_MODE;
  10498. else
  10499. phy->flags &= ~FLAGS_4_PORT_MODE;
  10500. /* Check Dual mode */
  10501. serdes_net_if = (REG_RD(bp, shmem_base +
  10502. offsetof(struct shmem_region, dev_info.
  10503. port_hw_config[port].default_cfg)) &
  10504. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10505. /* Set the appropriate supported and flags indications per
  10506. * interface type of the chip
  10507. */
  10508. switch (serdes_net_if) {
  10509. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10510. phy->supported &= (SUPPORTED_10baseT_Half |
  10511. SUPPORTED_10baseT_Full |
  10512. SUPPORTED_100baseT_Half |
  10513. SUPPORTED_100baseT_Full |
  10514. SUPPORTED_1000baseT_Full |
  10515. SUPPORTED_FIBRE |
  10516. SUPPORTED_Autoneg |
  10517. SUPPORTED_Pause |
  10518. SUPPORTED_Asym_Pause);
  10519. phy->media_type = ETH_PHY_BASE_T;
  10520. break;
  10521. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10522. phy->supported &= (SUPPORTED_1000baseT_Full |
  10523. SUPPORTED_10000baseT_Full |
  10524. SUPPORTED_FIBRE |
  10525. SUPPORTED_Pause |
  10526. SUPPORTED_Asym_Pause);
  10527. phy->media_type = ETH_PHY_XFP_FIBER;
  10528. break;
  10529. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10530. phy->supported &= (SUPPORTED_1000baseT_Full |
  10531. SUPPORTED_10000baseT_Full |
  10532. SUPPORTED_FIBRE |
  10533. SUPPORTED_Pause |
  10534. SUPPORTED_Asym_Pause);
  10535. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10536. break;
  10537. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10538. phy->media_type = ETH_PHY_KR;
  10539. phy->supported &= (SUPPORTED_1000baseT_Full |
  10540. SUPPORTED_10000baseT_Full |
  10541. SUPPORTED_FIBRE |
  10542. SUPPORTED_Autoneg |
  10543. SUPPORTED_Pause |
  10544. SUPPORTED_Asym_Pause);
  10545. break;
  10546. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10547. phy->media_type = ETH_PHY_KR;
  10548. phy->flags |= FLAGS_WC_DUAL_MODE;
  10549. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10550. SUPPORTED_FIBRE |
  10551. SUPPORTED_Pause |
  10552. SUPPORTED_Asym_Pause);
  10553. break;
  10554. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10555. phy->media_type = ETH_PHY_KR;
  10556. phy->flags |= FLAGS_WC_DUAL_MODE;
  10557. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10558. SUPPORTED_10000baseT_Full |
  10559. SUPPORTED_1000baseT_Full |
  10560. SUPPORTED_Autoneg |
  10561. SUPPORTED_FIBRE |
  10562. SUPPORTED_Pause |
  10563. SUPPORTED_Asym_Pause);
  10564. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10565. break;
  10566. default:
  10567. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10568. serdes_net_if);
  10569. break;
  10570. }
  10571. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10572. * was not set as expected. For B0, ECO will be enabled so there
  10573. * won't be an issue there
  10574. */
  10575. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10576. phy->flags |= FLAGS_MDC_MDIO_WA;
  10577. else
  10578. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10579. } else {
  10580. switch (switch_cfg) {
  10581. case SWITCH_CFG_1G:
  10582. phy_addr = REG_RD(bp,
  10583. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10584. port * 0x10);
  10585. *phy = phy_serdes;
  10586. break;
  10587. case SWITCH_CFG_10G:
  10588. phy_addr = REG_RD(bp,
  10589. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10590. port * 0x18);
  10591. *phy = phy_xgxs;
  10592. break;
  10593. default:
  10594. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10595. return -EINVAL;
  10596. }
  10597. }
  10598. phy->addr = (u8)phy_addr;
  10599. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10600. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10601. port);
  10602. if (CHIP_IS_E2(bp))
  10603. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10604. else
  10605. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10606. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10607. port, phy->addr, phy->mdio_ctrl);
  10608. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10609. return 0;
  10610. }
  10611. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10612. u8 phy_index,
  10613. u32 shmem_base,
  10614. u32 shmem2_base,
  10615. u8 port,
  10616. struct bnx2x_phy *phy)
  10617. {
  10618. u32 ext_phy_config, phy_type, config2;
  10619. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10620. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10621. phy_index, port);
  10622. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10623. /* Select the phy type */
  10624. switch (phy_type) {
  10625. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10626. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10627. *phy = phy_8073;
  10628. break;
  10629. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10630. *phy = phy_8705;
  10631. break;
  10632. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10633. *phy = phy_8706;
  10634. break;
  10635. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10636. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10637. *phy = phy_8726;
  10638. break;
  10639. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10640. /* BCM8727_NOC => BCM8727 no over current */
  10641. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10642. *phy = phy_8727;
  10643. phy->flags |= FLAGS_NOC;
  10644. break;
  10645. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10646. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10647. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10648. *phy = phy_8727;
  10649. break;
  10650. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10651. *phy = phy_8481;
  10652. break;
  10653. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10654. *phy = phy_84823;
  10655. break;
  10656. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10657. *phy = phy_84833;
  10658. break;
  10659. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10660. *phy = phy_84834;
  10661. break;
  10662. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10663. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10664. *phy = phy_54618se;
  10665. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10666. phy->flags |= FLAGS_EEE;
  10667. break;
  10668. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10669. *phy = phy_7101;
  10670. break;
  10671. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10672. *phy = phy_null;
  10673. return -EINVAL;
  10674. default:
  10675. *phy = phy_null;
  10676. /* In case external PHY wasn't found */
  10677. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10678. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10679. return -EINVAL;
  10680. return 0;
  10681. }
  10682. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10683. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10684. /* The shmem address of the phy version is located on different
  10685. * structures. In case this structure is too old, do not set
  10686. * the address
  10687. */
  10688. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10689. dev_info.shared_hw_config.config2));
  10690. if (phy_index == EXT_PHY1) {
  10691. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10692. port_mb[port].ext_phy_fw_version);
  10693. /* Check specific mdc mdio settings */
  10694. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10695. mdc_mdio_access = config2 &
  10696. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10697. } else {
  10698. u32 size = REG_RD(bp, shmem2_base);
  10699. if (size >
  10700. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10701. phy->ver_addr = shmem2_base +
  10702. offsetof(struct shmem2_region,
  10703. ext_phy_fw_version2[port]);
  10704. }
  10705. /* Check specific mdc mdio settings */
  10706. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10707. mdc_mdio_access = (config2 &
  10708. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10709. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10710. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10711. }
  10712. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10713. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10714. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10715. (phy->ver_addr)) {
  10716. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10717. * version lower than or equal to 1.39
  10718. */
  10719. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10720. if (((raw_ver & 0x7F) <= 39) &&
  10721. (((raw_ver & 0xF80) >> 7) <= 1))
  10722. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10723. SUPPORTED_100baseT_Full);
  10724. }
  10725. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10726. phy_type, port, phy_index);
  10727. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10728. phy->addr, phy->mdio_ctrl);
  10729. return 0;
  10730. }
  10731. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10732. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10733. {
  10734. int status = 0;
  10735. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10736. if (phy_index == INT_PHY)
  10737. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10738. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10739. port, phy);
  10740. return status;
  10741. }
  10742. static void bnx2x_phy_def_cfg(struct link_params *params,
  10743. struct bnx2x_phy *phy,
  10744. u8 phy_index)
  10745. {
  10746. struct bnx2x *bp = params->bp;
  10747. u32 link_config;
  10748. /* Populate the default phy configuration for MF mode */
  10749. if (phy_index == EXT_PHY2) {
  10750. link_config = REG_RD(bp, params->shmem_base +
  10751. offsetof(struct shmem_region, dev_info.
  10752. port_feature_config[params->port].link_config2));
  10753. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10754. offsetof(struct shmem_region,
  10755. dev_info.
  10756. port_hw_config[params->port].speed_capability_mask2));
  10757. } else {
  10758. link_config = REG_RD(bp, params->shmem_base +
  10759. offsetof(struct shmem_region, dev_info.
  10760. port_feature_config[params->port].link_config));
  10761. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10762. offsetof(struct shmem_region,
  10763. dev_info.
  10764. port_hw_config[params->port].speed_capability_mask));
  10765. }
  10766. DP(NETIF_MSG_LINK,
  10767. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10768. phy_index, link_config, phy->speed_cap_mask);
  10769. phy->req_duplex = DUPLEX_FULL;
  10770. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10771. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10772. phy->req_duplex = DUPLEX_HALF;
  10773. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10774. phy->req_line_speed = SPEED_10;
  10775. break;
  10776. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10777. phy->req_duplex = DUPLEX_HALF;
  10778. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10779. phy->req_line_speed = SPEED_100;
  10780. break;
  10781. case PORT_FEATURE_LINK_SPEED_1G:
  10782. phy->req_line_speed = SPEED_1000;
  10783. break;
  10784. case PORT_FEATURE_LINK_SPEED_2_5G:
  10785. phy->req_line_speed = SPEED_2500;
  10786. break;
  10787. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10788. phy->req_line_speed = SPEED_10000;
  10789. break;
  10790. default:
  10791. phy->req_line_speed = SPEED_AUTO_NEG;
  10792. break;
  10793. }
  10794. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10795. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10796. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10797. break;
  10798. case PORT_FEATURE_FLOW_CONTROL_TX:
  10799. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10800. break;
  10801. case PORT_FEATURE_FLOW_CONTROL_RX:
  10802. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10803. break;
  10804. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10805. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10806. break;
  10807. default:
  10808. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10809. break;
  10810. }
  10811. }
  10812. u32 bnx2x_phy_selection(struct link_params *params)
  10813. {
  10814. u32 phy_config_swapped, prio_cfg;
  10815. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10816. phy_config_swapped = params->multi_phy_config &
  10817. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10818. prio_cfg = params->multi_phy_config &
  10819. PORT_HW_CFG_PHY_SELECTION_MASK;
  10820. if (phy_config_swapped) {
  10821. switch (prio_cfg) {
  10822. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10823. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10824. break;
  10825. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10826. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10827. break;
  10828. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10829. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10830. break;
  10831. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10832. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10833. break;
  10834. }
  10835. } else
  10836. return_cfg = prio_cfg;
  10837. return return_cfg;
  10838. }
  10839. int bnx2x_phy_probe(struct link_params *params)
  10840. {
  10841. u8 phy_index, actual_phy_idx;
  10842. u32 phy_config_swapped, sync_offset, media_types;
  10843. struct bnx2x *bp = params->bp;
  10844. struct bnx2x_phy *phy;
  10845. params->num_phys = 0;
  10846. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10847. phy_config_swapped = params->multi_phy_config &
  10848. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10849. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10850. phy_index++) {
  10851. actual_phy_idx = phy_index;
  10852. if (phy_config_swapped) {
  10853. if (phy_index == EXT_PHY1)
  10854. actual_phy_idx = EXT_PHY2;
  10855. else if (phy_index == EXT_PHY2)
  10856. actual_phy_idx = EXT_PHY1;
  10857. }
  10858. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10859. " actual_phy_idx %x\n", phy_config_swapped,
  10860. phy_index, actual_phy_idx);
  10861. phy = &params->phy[actual_phy_idx];
  10862. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10863. params->shmem2_base, params->port,
  10864. phy) != 0) {
  10865. params->num_phys = 0;
  10866. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10867. phy_index);
  10868. for (phy_index = INT_PHY;
  10869. phy_index < MAX_PHYS;
  10870. phy_index++)
  10871. *phy = phy_null;
  10872. return -EINVAL;
  10873. }
  10874. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10875. break;
  10876. if (params->feature_config_flags &
  10877. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10878. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10879. if (!(params->feature_config_flags &
  10880. FEATURE_CONFIG_MT_SUPPORT))
  10881. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10882. sync_offset = params->shmem_base +
  10883. offsetof(struct shmem_region,
  10884. dev_info.port_hw_config[params->port].media_type);
  10885. media_types = REG_RD(bp, sync_offset);
  10886. /* Update media type for non-PMF sync only for the first time
  10887. * In case the media type changes afterwards, it will be updated
  10888. * using the update_status function
  10889. */
  10890. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10891. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10892. actual_phy_idx))) == 0) {
  10893. media_types |= ((phy->media_type &
  10894. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10895. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10896. actual_phy_idx));
  10897. }
  10898. REG_WR(bp, sync_offset, media_types);
  10899. bnx2x_phy_def_cfg(params, phy, phy_index);
  10900. params->num_phys++;
  10901. }
  10902. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10903. return 0;
  10904. }
  10905. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10906. struct link_vars *vars)
  10907. {
  10908. struct bnx2x *bp = params->bp;
  10909. vars->link_up = 1;
  10910. vars->line_speed = SPEED_10000;
  10911. vars->duplex = DUPLEX_FULL;
  10912. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10913. vars->mac_type = MAC_TYPE_BMAC;
  10914. vars->phy_flags = PHY_XGXS_FLAG;
  10915. bnx2x_xgxs_deassert(params);
  10916. /* Set bmac loopback */
  10917. bnx2x_bmac_enable(params, vars, 1, 1);
  10918. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10919. }
  10920. static void bnx2x_init_emac_loopback(struct link_params *params,
  10921. struct link_vars *vars)
  10922. {
  10923. struct bnx2x *bp = params->bp;
  10924. vars->link_up = 1;
  10925. vars->line_speed = SPEED_1000;
  10926. vars->duplex = DUPLEX_FULL;
  10927. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10928. vars->mac_type = MAC_TYPE_EMAC;
  10929. vars->phy_flags = PHY_XGXS_FLAG;
  10930. bnx2x_xgxs_deassert(params);
  10931. /* Set bmac loopback */
  10932. bnx2x_emac_enable(params, vars, 1);
  10933. bnx2x_emac_program(params, vars);
  10934. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10935. }
  10936. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10937. struct link_vars *vars)
  10938. {
  10939. struct bnx2x *bp = params->bp;
  10940. vars->link_up = 1;
  10941. if (!params->req_line_speed[0])
  10942. vars->line_speed = SPEED_10000;
  10943. else
  10944. vars->line_speed = params->req_line_speed[0];
  10945. vars->duplex = DUPLEX_FULL;
  10946. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10947. vars->mac_type = MAC_TYPE_XMAC;
  10948. vars->phy_flags = PHY_XGXS_FLAG;
  10949. /* Set WC to loopback mode since link is required to provide clock
  10950. * to the XMAC in 20G mode
  10951. */
  10952. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10953. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10954. params->phy[INT_PHY].config_loopback(
  10955. &params->phy[INT_PHY],
  10956. params);
  10957. bnx2x_xmac_enable(params, vars, 1);
  10958. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10959. }
  10960. static void bnx2x_init_umac_loopback(struct link_params *params,
  10961. struct link_vars *vars)
  10962. {
  10963. struct bnx2x *bp = params->bp;
  10964. vars->link_up = 1;
  10965. vars->line_speed = SPEED_1000;
  10966. vars->duplex = DUPLEX_FULL;
  10967. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10968. vars->mac_type = MAC_TYPE_UMAC;
  10969. vars->phy_flags = PHY_XGXS_FLAG;
  10970. bnx2x_umac_enable(params, vars, 1);
  10971. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10972. }
  10973. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10974. struct link_vars *vars)
  10975. {
  10976. struct bnx2x *bp = params->bp;
  10977. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10978. vars->link_up = 1;
  10979. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10980. vars->duplex = DUPLEX_FULL;
  10981. if (params->req_line_speed[0] == SPEED_1000)
  10982. vars->line_speed = SPEED_1000;
  10983. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10984. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10985. vars->line_speed = SPEED_20000;
  10986. else
  10987. vars->line_speed = SPEED_10000;
  10988. if (!USES_WARPCORE(bp))
  10989. bnx2x_xgxs_deassert(params);
  10990. bnx2x_link_initialize(params, vars);
  10991. if (params->req_line_speed[0] == SPEED_1000) {
  10992. if (USES_WARPCORE(bp))
  10993. bnx2x_umac_enable(params, vars, 0);
  10994. else {
  10995. bnx2x_emac_program(params, vars);
  10996. bnx2x_emac_enable(params, vars, 0);
  10997. }
  10998. } else {
  10999. if (USES_WARPCORE(bp))
  11000. bnx2x_xmac_enable(params, vars, 0);
  11001. else
  11002. bnx2x_bmac_enable(params, vars, 0, 1);
  11003. }
  11004. if (params->loopback_mode == LOOPBACK_XGXS) {
  11005. /* Set 10G XGXS loopback */
  11006. int_phy->config_loopback(int_phy, params);
  11007. } else {
  11008. /* Set external phy loopback */
  11009. u8 phy_index;
  11010. for (phy_index = EXT_PHY1;
  11011. phy_index < params->num_phys; phy_index++)
  11012. if (params->phy[phy_index].config_loopback)
  11013. params->phy[phy_index].config_loopback(
  11014. &params->phy[phy_index],
  11015. params);
  11016. }
  11017. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11018. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  11019. }
  11020. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  11021. {
  11022. struct bnx2x *bp = params->bp;
  11023. u8 val = en * 0x1F;
  11024. /* Open / close the gate between the NIG and the BRB */
  11025. if (!CHIP_IS_E1x(bp))
  11026. val |= en * 0x20;
  11027. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  11028. if (!CHIP_IS_E1(bp)) {
  11029. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  11030. en*0x3);
  11031. }
  11032. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  11033. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  11034. }
  11035. static int bnx2x_avoid_link_flap(struct link_params *params,
  11036. struct link_vars *vars)
  11037. {
  11038. u32 phy_idx;
  11039. u32 dont_clear_stat, lfa_sts;
  11040. struct bnx2x *bp = params->bp;
  11041. /* Sync the link parameters */
  11042. bnx2x_link_status_update(params, vars);
  11043. /*
  11044. * The module verification was already done by previous link owner,
  11045. * so this call is meant only to get warning message
  11046. */
  11047. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11048. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11049. if (phy->phy_specific_func) {
  11050. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11051. phy->phy_specific_func(phy, params, PHY_INIT);
  11052. }
  11053. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11054. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11055. (phy->media_type == ETH_PHY_DA_TWINAX))
  11056. bnx2x_verify_sfp_module(phy, params);
  11057. }
  11058. lfa_sts = REG_RD(bp, params->lfa_base +
  11059. offsetof(struct shmem_lfa,
  11060. lfa_sts));
  11061. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11062. /* Re-enable the NIG/MAC */
  11063. if (CHIP_IS_E3(bp)) {
  11064. if (!dont_clear_stat) {
  11065. REG_WR(bp, GRCBASE_MISC +
  11066. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11067. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11068. params->port));
  11069. REG_WR(bp, GRCBASE_MISC +
  11070. MISC_REGISTERS_RESET_REG_2_SET,
  11071. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11072. params->port));
  11073. }
  11074. if (vars->line_speed < SPEED_10000)
  11075. bnx2x_umac_enable(params, vars, 0);
  11076. else
  11077. bnx2x_xmac_enable(params, vars, 0);
  11078. } else {
  11079. if (vars->line_speed < SPEED_10000)
  11080. bnx2x_emac_enable(params, vars, 0);
  11081. else
  11082. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11083. }
  11084. /* Increment LFA count */
  11085. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11086. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11087. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11088. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11089. /* Clear link flap reason */
  11090. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11091. REG_WR(bp, params->lfa_base +
  11092. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11093. /* Disable NIG DRAIN */
  11094. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11095. /* Enable interrupts */
  11096. bnx2x_link_int_enable(params);
  11097. return 0;
  11098. }
  11099. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11100. struct link_vars *vars,
  11101. int lfa_status)
  11102. {
  11103. u32 lfa_sts, cfg_idx, tmp_val;
  11104. struct bnx2x *bp = params->bp;
  11105. bnx2x_link_reset(params, vars, 1);
  11106. if (!params->lfa_base)
  11107. return;
  11108. /* Store the new link parameters */
  11109. REG_WR(bp, params->lfa_base +
  11110. offsetof(struct shmem_lfa, req_duplex),
  11111. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11112. REG_WR(bp, params->lfa_base +
  11113. offsetof(struct shmem_lfa, req_flow_ctrl),
  11114. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11115. REG_WR(bp, params->lfa_base +
  11116. offsetof(struct shmem_lfa, req_line_speed),
  11117. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11118. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11119. REG_WR(bp, params->lfa_base +
  11120. offsetof(struct shmem_lfa,
  11121. speed_cap_mask[cfg_idx]),
  11122. params->speed_cap_mask[cfg_idx]);
  11123. }
  11124. tmp_val = REG_RD(bp, params->lfa_base +
  11125. offsetof(struct shmem_lfa, additional_config));
  11126. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11127. tmp_val |= params->req_fc_auto_adv;
  11128. REG_WR(bp, params->lfa_base +
  11129. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11130. lfa_sts = REG_RD(bp, params->lfa_base +
  11131. offsetof(struct shmem_lfa, lfa_sts));
  11132. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11133. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11134. /* Set link flap reason */
  11135. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11136. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11137. LFA_LINK_FLAP_REASON_OFFSET);
  11138. /* Increment link flap counter */
  11139. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11140. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11141. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11142. << LINK_FLAP_COUNT_OFFSET));
  11143. REG_WR(bp, params->lfa_base +
  11144. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11145. /* Proceed with regular link initialization */
  11146. }
  11147. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11148. {
  11149. int lfa_status;
  11150. struct bnx2x *bp = params->bp;
  11151. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11152. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11153. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11154. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11155. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11156. DP(NETIF_MSG_LINK, "req_adv_flow_ctrl 0x%x\n", params->req_fc_auto_adv);
  11157. vars->link_status = 0;
  11158. vars->phy_link_up = 0;
  11159. vars->link_up = 0;
  11160. vars->line_speed = 0;
  11161. vars->duplex = DUPLEX_FULL;
  11162. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11163. vars->mac_type = MAC_TYPE_NONE;
  11164. vars->phy_flags = 0;
  11165. vars->check_kr2_recovery_cnt = 0;
  11166. params->link_flags = PHY_INITIALIZED;
  11167. /* Driver opens NIG-BRB filters */
  11168. bnx2x_set_rx_filter(params, 1);
  11169. /* Check if link flap can be avoided */
  11170. lfa_status = bnx2x_check_lfa(params);
  11171. if (lfa_status == 0) {
  11172. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11173. return bnx2x_avoid_link_flap(params, vars);
  11174. }
  11175. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11176. lfa_status);
  11177. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11178. /* Disable attentions */
  11179. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11180. (NIG_MASK_XGXS0_LINK_STATUS |
  11181. NIG_MASK_XGXS0_LINK10G |
  11182. NIG_MASK_SERDES0_LINK_STATUS |
  11183. NIG_MASK_MI_INT));
  11184. bnx2x_emac_init(params, vars);
  11185. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11186. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11187. if (params->num_phys == 0) {
  11188. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11189. return -EINVAL;
  11190. }
  11191. set_phy_vars(params, vars);
  11192. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11193. switch (params->loopback_mode) {
  11194. case LOOPBACK_BMAC:
  11195. bnx2x_init_bmac_loopback(params, vars);
  11196. break;
  11197. case LOOPBACK_EMAC:
  11198. bnx2x_init_emac_loopback(params, vars);
  11199. break;
  11200. case LOOPBACK_XMAC:
  11201. bnx2x_init_xmac_loopback(params, vars);
  11202. break;
  11203. case LOOPBACK_UMAC:
  11204. bnx2x_init_umac_loopback(params, vars);
  11205. break;
  11206. case LOOPBACK_XGXS:
  11207. case LOOPBACK_EXT_PHY:
  11208. bnx2x_init_xgxs_loopback(params, vars);
  11209. break;
  11210. default:
  11211. if (!CHIP_IS_E3(bp)) {
  11212. if (params->switch_cfg == SWITCH_CFG_10G)
  11213. bnx2x_xgxs_deassert(params);
  11214. else
  11215. bnx2x_serdes_deassert(bp, params->port);
  11216. }
  11217. bnx2x_link_initialize(params, vars);
  11218. msleep(30);
  11219. bnx2x_link_int_enable(params);
  11220. break;
  11221. }
  11222. bnx2x_update_mng(params, vars->link_status);
  11223. bnx2x_update_mng_eee(params, vars->eee_status);
  11224. return 0;
  11225. }
  11226. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11227. u8 reset_ext_phy)
  11228. {
  11229. struct bnx2x *bp = params->bp;
  11230. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11231. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11232. /* Disable attentions */
  11233. vars->link_status = 0;
  11234. bnx2x_update_mng(params, vars->link_status);
  11235. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11236. SHMEM_EEE_ACTIVE_BIT);
  11237. bnx2x_update_mng_eee(params, vars->eee_status);
  11238. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11239. (NIG_MASK_XGXS0_LINK_STATUS |
  11240. NIG_MASK_XGXS0_LINK10G |
  11241. NIG_MASK_SERDES0_LINK_STATUS |
  11242. NIG_MASK_MI_INT));
  11243. /* Activate nig drain */
  11244. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11245. /* Disable nig egress interface */
  11246. if (!CHIP_IS_E3(bp)) {
  11247. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11248. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11249. }
  11250. if (!CHIP_IS_E3(bp)) {
  11251. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11252. } else {
  11253. bnx2x_set_xmac_rxtx(params, 0);
  11254. bnx2x_set_umac_rxtx(params, 0);
  11255. }
  11256. /* Disable emac */
  11257. if (!CHIP_IS_E3(bp))
  11258. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11259. usleep_range(10000, 20000);
  11260. /* The PHY reset is controlled by GPIO 1
  11261. * Hold it as vars low
  11262. */
  11263. /* Clear link led */
  11264. bnx2x_set_mdio_emac_per_phy(bp, params);
  11265. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11266. if (reset_ext_phy) {
  11267. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11268. phy_index++) {
  11269. if (params->phy[phy_index].link_reset) {
  11270. bnx2x_set_aer_mmd(params,
  11271. &params->phy[phy_index]);
  11272. params->phy[phy_index].link_reset(
  11273. &params->phy[phy_index],
  11274. params);
  11275. }
  11276. if (params->phy[phy_index].flags &
  11277. FLAGS_REARM_LATCH_SIGNAL)
  11278. clear_latch_ind = 1;
  11279. }
  11280. }
  11281. if (clear_latch_ind) {
  11282. /* Clear latching indication */
  11283. bnx2x_rearm_latch_signal(bp, port, 0);
  11284. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11285. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11286. }
  11287. if (params->phy[INT_PHY].link_reset)
  11288. params->phy[INT_PHY].link_reset(
  11289. &params->phy[INT_PHY], params);
  11290. /* Disable nig ingress interface */
  11291. if (!CHIP_IS_E3(bp)) {
  11292. /* Reset BigMac */
  11293. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11294. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11295. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11296. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11297. } else {
  11298. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11299. bnx2x_set_xumac_nig(params, 0, 0);
  11300. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11301. MISC_REGISTERS_RESET_REG_2_XMAC)
  11302. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11303. XMAC_CTRL_REG_SOFT_RESET);
  11304. }
  11305. vars->link_up = 0;
  11306. vars->phy_flags = 0;
  11307. return 0;
  11308. }
  11309. int bnx2x_lfa_reset(struct link_params *params,
  11310. struct link_vars *vars)
  11311. {
  11312. struct bnx2x *bp = params->bp;
  11313. vars->link_up = 0;
  11314. vars->phy_flags = 0;
  11315. params->link_flags &= ~PHY_INITIALIZED;
  11316. if (!params->lfa_base)
  11317. return bnx2x_link_reset(params, vars, 1);
  11318. /*
  11319. * Activate NIG drain so that during this time the device won't send
  11320. * anything while it is unable to response.
  11321. */
  11322. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11323. /*
  11324. * Close gracefully the gate from BMAC to NIG such that no half packets
  11325. * are passed.
  11326. */
  11327. if (!CHIP_IS_E3(bp))
  11328. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11329. if (CHIP_IS_E3(bp)) {
  11330. bnx2x_set_xmac_rxtx(params, 0);
  11331. bnx2x_set_umac_rxtx(params, 0);
  11332. }
  11333. /* Wait 10ms for the pipe to clean up*/
  11334. usleep_range(10000, 20000);
  11335. /* Clean the NIG-BRB using the network filters in a way that will
  11336. * not cut a packet in the middle.
  11337. */
  11338. bnx2x_set_rx_filter(params, 0);
  11339. /*
  11340. * Re-open the gate between the BMAC and the NIG, after verifying the
  11341. * gate to the BRB is closed, otherwise packets may arrive to the
  11342. * firmware before driver had initialized it. The target is to achieve
  11343. * minimum management protocol down time.
  11344. */
  11345. if (!CHIP_IS_E3(bp))
  11346. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11347. if (CHIP_IS_E3(bp)) {
  11348. bnx2x_set_xmac_rxtx(params, 1);
  11349. bnx2x_set_umac_rxtx(params, 1);
  11350. }
  11351. /* Disable NIG drain */
  11352. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11353. return 0;
  11354. }
  11355. /****************************************************************************/
  11356. /* Common function */
  11357. /****************************************************************************/
  11358. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11359. u32 shmem_base_path[],
  11360. u32 shmem2_base_path[], u8 phy_index,
  11361. u32 chip_id)
  11362. {
  11363. struct bnx2x_phy phy[PORT_MAX];
  11364. struct bnx2x_phy *phy_blk[PORT_MAX];
  11365. u16 val;
  11366. s8 port = 0;
  11367. s8 port_of_path = 0;
  11368. u32 swap_val, swap_override;
  11369. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11370. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11371. port ^= (swap_val && swap_override);
  11372. bnx2x_ext_phy_hw_reset(bp, port);
  11373. /* PART1 - Reset both phys */
  11374. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11375. u32 shmem_base, shmem2_base;
  11376. /* In E2, same phy is using for port0 of the two paths */
  11377. if (CHIP_IS_E1x(bp)) {
  11378. shmem_base = shmem_base_path[0];
  11379. shmem2_base = shmem2_base_path[0];
  11380. port_of_path = port;
  11381. } else {
  11382. shmem_base = shmem_base_path[port];
  11383. shmem2_base = shmem2_base_path[port];
  11384. port_of_path = 0;
  11385. }
  11386. /* Extract the ext phy address for the port */
  11387. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11388. port_of_path, &phy[port]) !=
  11389. 0) {
  11390. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11391. return -EINVAL;
  11392. }
  11393. /* Disable attentions */
  11394. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11395. port_of_path*4,
  11396. (NIG_MASK_XGXS0_LINK_STATUS |
  11397. NIG_MASK_XGXS0_LINK10G |
  11398. NIG_MASK_SERDES0_LINK_STATUS |
  11399. NIG_MASK_MI_INT));
  11400. /* Need to take the phy out of low power mode in order
  11401. * to write to access its registers
  11402. */
  11403. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11404. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11405. port);
  11406. /* Reset the phy */
  11407. bnx2x_cl45_write(bp, &phy[port],
  11408. MDIO_PMA_DEVAD,
  11409. MDIO_PMA_REG_CTRL,
  11410. 1<<15);
  11411. }
  11412. /* Add delay of 150ms after reset */
  11413. msleep(150);
  11414. if (phy[PORT_0].addr & 0x1) {
  11415. phy_blk[PORT_0] = &(phy[PORT_1]);
  11416. phy_blk[PORT_1] = &(phy[PORT_0]);
  11417. } else {
  11418. phy_blk[PORT_0] = &(phy[PORT_0]);
  11419. phy_blk[PORT_1] = &(phy[PORT_1]);
  11420. }
  11421. /* PART2 - Download firmware to both phys */
  11422. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11423. if (CHIP_IS_E1x(bp))
  11424. port_of_path = port;
  11425. else
  11426. port_of_path = 0;
  11427. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11428. phy_blk[port]->addr);
  11429. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11430. port_of_path))
  11431. return -EINVAL;
  11432. /* Only set bit 10 = 1 (Tx power down) */
  11433. bnx2x_cl45_read(bp, phy_blk[port],
  11434. MDIO_PMA_DEVAD,
  11435. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11436. /* Phase1 of TX_POWER_DOWN reset */
  11437. bnx2x_cl45_write(bp, phy_blk[port],
  11438. MDIO_PMA_DEVAD,
  11439. MDIO_PMA_REG_TX_POWER_DOWN,
  11440. (val | 1<<10));
  11441. }
  11442. /* Toggle Transmitter: Power down and then up with 600ms delay
  11443. * between
  11444. */
  11445. msleep(600);
  11446. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11447. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11448. /* Phase2 of POWER_DOWN_RESET */
  11449. /* Release bit 10 (Release Tx power down) */
  11450. bnx2x_cl45_read(bp, phy_blk[port],
  11451. MDIO_PMA_DEVAD,
  11452. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11453. bnx2x_cl45_write(bp, phy_blk[port],
  11454. MDIO_PMA_DEVAD,
  11455. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11456. usleep_range(15000, 30000);
  11457. /* Read modify write the SPI-ROM version select register */
  11458. bnx2x_cl45_read(bp, phy_blk[port],
  11459. MDIO_PMA_DEVAD,
  11460. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11461. bnx2x_cl45_write(bp, phy_blk[port],
  11462. MDIO_PMA_DEVAD,
  11463. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11464. /* set GPIO2 back to LOW */
  11465. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11466. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11467. }
  11468. return 0;
  11469. }
  11470. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11471. u32 shmem_base_path[],
  11472. u32 shmem2_base_path[], u8 phy_index,
  11473. u32 chip_id)
  11474. {
  11475. u32 val;
  11476. s8 port;
  11477. struct bnx2x_phy phy;
  11478. /* Use port1 because of the static port-swap */
  11479. /* Enable the module detection interrupt */
  11480. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11481. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11482. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11483. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11484. bnx2x_ext_phy_hw_reset(bp, 0);
  11485. usleep_range(5000, 10000);
  11486. for (port = 0; port < PORT_MAX; port++) {
  11487. u32 shmem_base, shmem2_base;
  11488. /* In E2, same phy is using for port0 of the two paths */
  11489. if (CHIP_IS_E1x(bp)) {
  11490. shmem_base = shmem_base_path[0];
  11491. shmem2_base = shmem2_base_path[0];
  11492. } else {
  11493. shmem_base = shmem_base_path[port];
  11494. shmem2_base = shmem2_base_path[port];
  11495. }
  11496. /* Extract the ext phy address for the port */
  11497. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11498. port, &phy) !=
  11499. 0) {
  11500. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11501. return -EINVAL;
  11502. }
  11503. /* Reset phy*/
  11504. bnx2x_cl45_write(bp, &phy,
  11505. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11506. /* Set fault module detected LED on */
  11507. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11508. MISC_REGISTERS_GPIO_HIGH,
  11509. port);
  11510. }
  11511. return 0;
  11512. }
  11513. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11514. u8 *io_gpio, u8 *io_port)
  11515. {
  11516. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11517. offsetof(struct shmem_region,
  11518. dev_info.port_hw_config[PORT_0].default_cfg));
  11519. switch (phy_gpio_reset) {
  11520. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11521. *io_gpio = 0;
  11522. *io_port = 0;
  11523. break;
  11524. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11525. *io_gpio = 1;
  11526. *io_port = 0;
  11527. break;
  11528. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11529. *io_gpio = 2;
  11530. *io_port = 0;
  11531. break;
  11532. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11533. *io_gpio = 3;
  11534. *io_port = 0;
  11535. break;
  11536. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11537. *io_gpio = 0;
  11538. *io_port = 1;
  11539. break;
  11540. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11541. *io_gpio = 1;
  11542. *io_port = 1;
  11543. break;
  11544. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11545. *io_gpio = 2;
  11546. *io_port = 1;
  11547. break;
  11548. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11549. *io_gpio = 3;
  11550. *io_port = 1;
  11551. break;
  11552. default:
  11553. /* Don't override the io_gpio and io_port */
  11554. break;
  11555. }
  11556. }
  11557. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11558. u32 shmem_base_path[],
  11559. u32 shmem2_base_path[], u8 phy_index,
  11560. u32 chip_id)
  11561. {
  11562. s8 port, reset_gpio;
  11563. u32 swap_val, swap_override;
  11564. struct bnx2x_phy phy[PORT_MAX];
  11565. struct bnx2x_phy *phy_blk[PORT_MAX];
  11566. s8 port_of_path;
  11567. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11568. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11569. reset_gpio = MISC_REGISTERS_GPIO_1;
  11570. port = 1;
  11571. /* Retrieve the reset gpio/port which control the reset.
  11572. * Default is GPIO1, PORT1
  11573. */
  11574. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11575. (u8 *)&reset_gpio, (u8 *)&port);
  11576. /* Calculate the port based on port swap */
  11577. port ^= (swap_val && swap_override);
  11578. /* Initiate PHY reset*/
  11579. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11580. port);
  11581. usleep_range(1000, 2000);
  11582. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11583. port);
  11584. usleep_range(5000, 10000);
  11585. /* PART1 - Reset both phys */
  11586. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11587. u32 shmem_base, shmem2_base;
  11588. /* In E2, same phy is using for port0 of the two paths */
  11589. if (CHIP_IS_E1x(bp)) {
  11590. shmem_base = shmem_base_path[0];
  11591. shmem2_base = shmem2_base_path[0];
  11592. port_of_path = port;
  11593. } else {
  11594. shmem_base = shmem_base_path[port];
  11595. shmem2_base = shmem2_base_path[port];
  11596. port_of_path = 0;
  11597. }
  11598. /* Extract the ext phy address for the port */
  11599. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11600. port_of_path, &phy[port]) !=
  11601. 0) {
  11602. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11603. return -EINVAL;
  11604. }
  11605. /* disable attentions */
  11606. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11607. port_of_path*4,
  11608. (NIG_MASK_XGXS0_LINK_STATUS |
  11609. NIG_MASK_XGXS0_LINK10G |
  11610. NIG_MASK_SERDES0_LINK_STATUS |
  11611. NIG_MASK_MI_INT));
  11612. /* Reset the phy */
  11613. bnx2x_cl45_write(bp, &phy[port],
  11614. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11615. }
  11616. /* Add delay of 150ms after reset */
  11617. msleep(150);
  11618. if (phy[PORT_0].addr & 0x1) {
  11619. phy_blk[PORT_0] = &(phy[PORT_1]);
  11620. phy_blk[PORT_1] = &(phy[PORT_0]);
  11621. } else {
  11622. phy_blk[PORT_0] = &(phy[PORT_0]);
  11623. phy_blk[PORT_1] = &(phy[PORT_1]);
  11624. }
  11625. /* PART2 - Download firmware to both phys */
  11626. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11627. if (CHIP_IS_E1x(bp))
  11628. port_of_path = port;
  11629. else
  11630. port_of_path = 0;
  11631. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11632. phy_blk[port]->addr);
  11633. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11634. port_of_path))
  11635. return -EINVAL;
  11636. /* Disable PHY transmitter output */
  11637. bnx2x_cl45_write(bp, phy_blk[port],
  11638. MDIO_PMA_DEVAD,
  11639. MDIO_PMA_REG_TX_DISABLE, 1);
  11640. }
  11641. return 0;
  11642. }
  11643. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11644. u32 shmem_base_path[],
  11645. u32 shmem2_base_path[],
  11646. u8 phy_index,
  11647. u32 chip_id)
  11648. {
  11649. u8 reset_gpios;
  11650. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11651. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11652. udelay(10);
  11653. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11654. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11655. reset_gpios);
  11656. return 0;
  11657. }
  11658. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11659. u32 shmem2_base_path[], u8 phy_index,
  11660. u32 ext_phy_type, u32 chip_id)
  11661. {
  11662. int rc = 0;
  11663. switch (ext_phy_type) {
  11664. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11665. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11666. shmem2_base_path,
  11667. phy_index, chip_id);
  11668. break;
  11669. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11670. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11671. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11672. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11673. shmem2_base_path,
  11674. phy_index, chip_id);
  11675. break;
  11676. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11677. /* GPIO1 affects both ports, so there's need to pull
  11678. * it for single port alone
  11679. */
  11680. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11681. shmem2_base_path,
  11682. phy_index, chip_id);
  11683. break;
  11684. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11685. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11686. /* GPIO3's are linked, and so both need to be toggled
  11687. * to obtain required 2us pulse.
  11688. */
  11689. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11690. shmem2_base_path,
  11691. phy_index, chip_id);
  11692. break;
  11693. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11694. rc = -EINVAL;
  11695. break;
  11696. default:
  11697. DP(NETIF_MSG_LINK,
  11698. "ext_phy 0x%x common init not required\n",
  11699. ext_phy_type);
  11700. break;
  11701. }
  11702. if (rc)
  11703. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11704. " Port %d\n",
  11705. 0);
  11706. return rc;
  11707. }
  11708. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11709. u32 shmem2_base_path[], u32 chip_id)
  11710. {
  11711. int rc = 0;
  11712. u32 phy_ver, val;
  11713. u8 phy_index = 0;
  11714. u32 ext_phy_type, ext_phy_config;
  11715. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11716. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11717. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11718. if (CHIP_IS_E3(bp)) {
  11719. /* Enable EPIO */
  11720. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11721. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11722. }
  11723. /* Check if common init was already done */
  11724. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11725. offsetof(struct shmem_region,
  11726. port_mb[PORT_0].ext_phy_fw_version));
  11727. if (phy_ver) {
  11728. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11729. phy_ver);
  11730. return 0;
  11731. }
  11732. /* Read the ext_phy_type for arbitrary port(0) */
  11733. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11734. phy_index++) {
  11735. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11736. shmem_base_path[0],
  11737. phy_index, 0);
  11738. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11739. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11740. shmem2_base_path,
  11741. phy_index, ext_phy_type,
  11742. chip_id);
  11743. }
  11744. return rc;
  11745. }
  11746. static void bnx2x_check_over_curr(struct link_params *params,
  11747. struct link_vars *vars)
  11748. {
  11749. struct bnx2x *bp = params->bp;
  11750. u32 cfg_pin;
  11751. u8 port = params->port;
  11752. u32 pin_val;
  11753. cfg_pin = (REG_RD(bp, params->shmem_base +
  11754. offsetof(struct shmem_region,
  11755. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11756. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11757. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11758. /* Ignore check if no external input PIN available */
  11759. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11760. return;
  11761. if (!pin_val) {
  11762. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11763. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11764. " been detected and the power to "
  11765. "that SFP+ module has been removed"
  11766. " to prevent failure of the card."
  11767. " Please remove the SFP+ module and"
  11768. " restart the system to clear this"
  11769. " error.\n",
  11770. params->port);
  11771. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11772. bnx2x_warpcore_power_module(params, 0);
  11773. }
  11774. } else
  11775. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11776. }
  11777. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11778. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11779. struct link_vars *vars, u32 status,
  11780. u32 phy_flag, u32 link_flag, u8 notify)
  11781. {
  11782. struct bnx2x *bp = params->bp;
  11783. /* Compare new value with previous value */
  11784. u8 led_mode;
  11785. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11786. if ((status ^ old_status) == 0)
  11787. return 0;
  11788. /* If values differ */
  11789. switch (phy_flag) {
  11790. case PHY_HALF_OPEN_CONN_FLAG:
  11791. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11792. break;
  11793. case PHY_SFP_TX_FAULT_FLAG:
  11794. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11795. break;
  11796. default:
  11797. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11798. }
  11799. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11800. old_status, status);
  11801. /* a. Update shmem->link_status accordingly
  11802. * b. Update link_vars->link_up
  11803. */
  11804. if (status) {
  11805. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11806. vars->link_status |= link_flag;
  11807. vars->link_up = 0;
  11808. vars->phy_flags |= phy_flag;
  11809. /* activate nig drain */
  11810. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11811. /* Set LED mode to off since the PHY doesn't know about these
  11812. * errors
  11813. */
  11814. led_mode = LED_MODE_OFF;
  11815. } else {
  11816. vars->link_status |= LINK_STATUS_LINK_UP;
  11817. vars->link_status &= ~link_flag;
  11818. vars->link_up = 1;
  11819. vars->phy_flags &= ~phy_flag;
  11820. led_mode = LED_MODE_OPER;
  11821. /* Clear nig drain */
  11822. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11823. }
  11824. bnx2x_sync_link(params, vars);
  11825. /* Update the LED according to the link state */
  11826. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11827. /* Update link status in the shared memory */
  11828. bnx2x_update_mng(params, vars->link_status);
  11829. /* C. Trigger General Attention */
  11830. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11831. if (notify)
  11832. bnx2x_notify_link_changed(bp);
  11833. return 1;
  11834. }
  11835. /******************************************************************************
  11836. * Description:
  11837. * This function checks for half opened connection change indication.
  11838. * When such change occurs, it calls the bnx2x_analyze_link_error
  11839. * to check if Remote Fault is set or cleared. Reception of remote fault
  11840. * status message in the MAC indicates that the peer's MAC has detected
  11841. * a fault, for example, due to break in the TX side of fiber.
  11842. *
  11843. ******************************************************************************/
  11844. int bnx2x_check_half_open_conn(struct link_params *params,
  11845. struct link_vars *vars,
  11846. u8 notify)
  11847. {
  11848. struct bnx2x *bp = params->bp;
  11849. u32 lss_status = 0;
  11850. u32 mac_base;
  11851. /* In case link status is physically up @ 10G do */
  11852. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11853. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11854. return 0;
  11855. if (CHIP_IS_E3(bp) &&
  11856. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11857. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11858. /* Check E3 XMAC */
  11859. /* Note that link speed cannot be queried here, since it may be
  11860. * zero while link is down. In case UMAC is active, LSS will
  11861. * simply not be set
  11862. */
  11863. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11864. /* Clear stick bits (Requires rising edge) */
  11865. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11866. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11867. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11868. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11869. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11870. lss_status = 1;
  11871. bnx2x_analyze_link_error(params, vars, lss_status,
  11872. PHY_HALF_OPEN_CONN_FLAG,
  11873. LINK_STATUS_NONE, notify);
  11874. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11875. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11876. /* Check E1X / E2 BMAC */
  11877. u32 lss_status_reg;
  11878. u32 wb_data[2];
  11879. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11880. NIG_REG_INGRESS_BMAC0_MEM;
  11881. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11882. if (CHIP_IS_E2(bp))
  11883. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11884. else
  11885. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11886. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11887. lss_status = (wb_data[0] > 0);
  11888. bnx2x_analyze_link_error(params, vars, lss_status,
  11889. PHY_HALF_OPEN_CONN_FLAG,
  11890. LINK_STATUS_NONE, notify);
  11891. }
  11892. return 0;
  11893. }
  11894. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11895. struct link_params *params,
  11896. struct link_vars *vars)
  11897. {
  11898. struct bnx2x *bp = params->bp;
  11899. u32 cfg_pin, value = 0;
  11900. u8 led_change, port = params->port;
  11901. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11902. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11903. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11904. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11905. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11906. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11907. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11908. return;
  11909. }
  11910. led_change = bnx2x_analyze_link_error(params, vars, value,
  11911. PHY_SFP_TX_FAULT_FLAG,
  11912. LINK_STATUS_SFP_TX_FAULT, 1);
  11913. if (led_change) {
  11914. /* Change TX_Fault led, set link status for further syncs */
  11915. u8 led_mode;
  11916. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11917. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11918. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11919. } else {
  11920. led_mode = MISC_REGISTERS_GPIO_LOW;
  11921. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11922. }
  11923. /* If module is unapproved, led should be on regardless */
  11924. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11925. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11926. led_mode);
  11927. bnx2x_set_e3_module_fault_led(params, led_mode);
  11928. }
  11929. }
  11930. }
  11931. static void bnx2x_disable_kr2(struct link_params *params,
  11932. struct link_vars *vars,
  11933. struct bnx2x_phy *phy)
  11934. {
  11935. struct bnx2x *bp = params->bp;
  11936. int i;
  11937. static struct bnx2x_reg_set reg_set[] = {
  11938. /* Step 1 - Program the TX/RX alignment markers */
  11939. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11940. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11941. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11942. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11943. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11944. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11945. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11946. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11947. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11948. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11949. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11950. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11951. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11952. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11953. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11954. };
  11955. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11956. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  11957. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11958. reg_set[i].val);
  11959. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11960. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11961. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  11962. /* Restart AN on leading lane */
  11963. bnx2x_warpcore_restart_AN_KR(phy, params);
  11964. }
  11965. static void bnx2x_kr2_recovery(struct link_params *params,
  11966. struct link_vars *vars,
  11967. struct bnx2x_phy *phy)
  11968. {
  11969. struct bnx2x *bp = params->bp;
  11970. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11971. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11972. bnx2x_warpcore_restart_AN_KR(phy, params);
  11973. }
  11974. static void bnx2x_check_kr2_wa(struct link_params *params,
  11975. struct link_vars *vars,
  11976. struct bnx2x_phy *phy)
  11977. {
  11978. struct bnx2x *bp = params->bp;
  11979. u16 base_page, next_page, not_kr2_device, lane;
  11980. int sigdet;
  11981. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11982. * Since some switches tend to reinit the AN process and clear the
  11983. * the advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11984. * and recovered many times
  11985. */
  11986. if (vars->check_kr2_recovery_cnt > 0) {
  11987. vars->check_kr2_recovery_cnt--;
  11988. return;
  11989. }
  11990. sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11991. if (!sigdet) {
  11992. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11993. bnx2x_kr2_recovery(params, vars, phy);
  11994. DP(NETIF_MSG_LINK, "No sigdet\n");
  11995. }
  11996. return;
  11997. }
  11998. lane = bnx2x_get_warpcore_lane(phy, params);
  11999. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  12000. MDIO_AER_BLOCK_AER_REG, lane);
  12001. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12002. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  12003. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  12004. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  12005. bnx2x_set_aer_mmd(params, phy);
  12006. /* CL73 has not begun yet */
  12007. if (base_page == 0) {
  12008. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12009. bnx2x_kr2_recovery(params, vars, phy);
  12010. DP(NETIF_MSG_LINK, "No BP\n");
  12011. }
  12012. return;
  12013. }
  12014. /* In case NP bit is not set in the BasePage, or it is set,
  12015. * but only KX is advertised, declare this link partner as non-KR2
  12016. * device.
  12017. */
  12018. not_kr2_device = (((base_page & 0x8000) == 0) ||
  12019. (((base_page & 0x8000) &&
  12020. ((next_page & 0xe0) == 0x2))));
  12021. /* In case KR2 is already disabled, check if we need to re-enable it */
  12022. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  12023. if (!not_kr2_device) {
  12024. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  12025. next_page);
  12026. bnx2x_kr2_recovery(params, vars, phy);
  12027. }
  12028. return;
  12029. }
  12030. /* KR2 is enabled, but not KR2 device */
  12031. if (not_kr2_device) {
  12032. /* Disable KR2 on both lanes */
  12033. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  12034. bnx2x_disable_kr2(params, vars, phy);
  12035. return;
  12036. }
  12037. }
  12038. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  12039. {
  12040. u16 phy_idx;
  12041. struct bnx2x *bp = params->bp;
  12042. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  12043. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  12044. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  12045. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  12046. 0)
  12047. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12048. break;
  12049. }
  12050. }
  12051. if (CHIP_IS_E3(bp)) {
  12052. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12053. bnx2x_set_aer_mmd(params, phy);
  12054. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12055. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12056. bnx2x_check_kr2_wa(params, vars, phy);
  12057. bnx2x_check_over_curr(params, vars);
  12058. if (vars->rx_tx_asic_rst)
  12059. bnx2x_warpcore_config_runtime(phy, params, vars);
  12060. if ((REG_RD(bp, params->shmem_base +
  12061. offsetof(struct shmem_region, dev_info.
  12062. port_hw_config[params->port].default_cfg))
  12063. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12064. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12065. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12066. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12067. } else if (vars->link_status &
  12068. LINK_STATUS_SFP_TX_FAULT) {
  12069. /* Clean trail, interrupt corrects the leds */
  12070. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12071. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12072. /* Update link status in the shared memory */
  12073. bnx2x_update_mng(params, vars->link_status);
  12074. }
  12075. }
  12076. }
  12077. }
  12078. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12079. u32 shmem_base,
  12080. u32 shmem2_base,
  12081. u8 port)
  12082. {
  12083. u8 phy_index, fan_failure_det_req = 0;
  12084. struct bnx2x_phy phy;
  12085. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12086. phy_index++) {
  12087. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12088. port, &phy)
  12089. != 0) {
  12090. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12091. return 0;
  12092. }
  12093. fan_failure_det_req |= (phy.flags &
  12094. FLAGS_FAN_FAILURE_DET_REQ);
  12095. }
  12096. return fan_failure_det_req;
  12097. }
  12098. void bnx2x_hw_reset_phy(struct link_params *params)
  12099. {
  12100. u8 phy_index;
  12101. struct bnx2x *bp = params->bp;
  12102. bnx2x_update_mng(params, 0);
  12103. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12104. (NIG_MASK_XGXS0_LINK_STATUS |
  12105. NIG_MASK_XGXS0_LINK10G |
  12106. NIG_MASK_SERDES0_LINK_STATUS |
  12107. NIG_MASK_MI_INT));
  12108. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12109. phy_index++) {
  12110. if (params->phy[phy_index].hw_reset) {
  12111. params->phy[phy_index].hw_reset(
  12112. &params->phy[phy_index],
  12113. params);
  12114. params->phy[phy_index] = phy_null;
  12115. }
  12116. }
  12117. }
  12118. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12119. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12120. u8 port)
  12121. {
  12122. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12123. u32 val;
  12124. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12125. if (CHIP_IS_E3(bp)) {
  12126. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12127. shmem_base,
  12128. port,
  12129. &gpio_num,
  12130. &gpio_port) != 0)
  12131. return;
  12132. } else {
  12133. struct bnx2x_phy phy;
  12134. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12135. phy_index++) {
  12136. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12137. shmem2_base, port, &phy)
  12138. != 0) {
  12139. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12140. return;
  12141. }
  12142. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12143. gpio_num = MISC_REGISTERS_GPIO_3;
  12144. gpio_port = port;
  12145. break;
  12146. }
  12147. }
  12148. }
  12149. if (gpio_num == 0xff)
  12150. return;
  12151. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12152. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12153. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12154. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12155. gpio_port ^= (swap_val && swap_override);
  12156. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12157. (gpio_num + (gpio_port << 2));
  12158. sync_offset = shmem_base +
  12159. offsetof(struct shmem_region,
  12160. dev_info.port_hw_config[port].aeu_int_mask);
  12161. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12162. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12163. gpio_num, gpio_port, vars->aeu_int_mask);
  12164. if (port == 0)
  12165. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12166. else
  12167. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12168. /* Open appropriate AEU for interrupts */
  12169. aeu_mask = REG_RD(bp, offset);
  12170. aeu_mask |= vars->aeu_int_mask;
  12171. REG_WR(bp, offset, aeu_mask);
  12172. /* Enable the GPIO to trigger interrupt */
  12173. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12174. val |= 1 << (gpio_num + (gpio_port << 2));
  12175. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12176. }