bnx2x_link.c 397 KB

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  1. /* Copyright 2008-2012 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. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  113. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  114. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  115. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  116. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  117. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  118. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  119. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  120. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  121. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  122. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  123. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  124. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  125. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  126. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  127. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  128. #define LINK_UPDATE_MASK \
  129. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  130. LINK_STATUS_LINK_UP | \
  131. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  132. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  133. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  134. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  135. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  136. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  137. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  138. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  139. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  140. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  141. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  142. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  143. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  144. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  145. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  146. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  147. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  148. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  149. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  150. #define SFP_EEPROM_OPTIONS_SIZE 2
  151. #define EDC_MODE_LINEAR 0x0022
  152. #define EDC_MODE_LIMITING 0x0044
  153. #define EDC_MODE_PASSIVE_DAC 0x0055
  154. /* ETS defines*/
  155. #define DCBX_INVALID_COS (0xFF)
  156. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  157. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  158. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  159. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  160. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  161. #define MAX_PACKET_SIZE (9700)
  162. #define MAX_KR_LINK_RETRY 4
  163. /**********************************************************/
  164. /* INTERFACE */
  165. /**********************************************************/
  166. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  167. bnx2x_cl45_write(_bp, _phy, \
  168. (_phy)->def_md_devad, \
  169. (_bank + (_addr & 0xf)), \
  170. _val)
  171. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  172. bnx2x_cl45_read(_bp, _phy, \
  173. (_phy)->def_md_devad, \
  174. (_bank + (_addr & 0xf)), \
  175. _val)
  176. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  177. {
  178. u32 val = REG_RD(bp, reg);
  179. val |= bits;
  180. REG_WR(bp, reg, val);
  181. return val;
  182. }
  183. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  184. {
  185. u32 val = REG_RD(bp, reg);
  186. val &= ~bits;
  187. REG_WR(bp, reg, val);
  188. return val;
  189. }
  190. /*
  191. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  192. * or link flap can be avoided.
  193. *
  194. * @params: link parameters
  195. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  196. * condition code.
  197. */
  198. static int bnx2x_check_lfa(struct link_params *params)
  199. {
  200. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  201. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  202. u32 saved_val, req_val, eee_status;
  203. struct bnx2x *bp = params->bp;
  204. additional_config =
  205. REG_RD(bp, params->lfa_base +
  206. offsetof(struct shmem_lfa, additional_config));
  207. /* NOTE: must be first condition checked -
  208. * to verify DCC bit is cleared in any case!
  209. */
  210. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  211. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  212. REG_WR(bp, params->lfa_base +
  213. offsetof(struct shmem_lfa, additional_config),
  214. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  215. return LFA_DCC_LFA_DISABLED;
  216. }
  217. /* Verify that link is up */
  218. link_status = REG_RD(bp, params->shmem_base +
  219. offsetof(struct shmem_region,
  220. port_mb[params->port].link_status));
  221. if (!(link_status & LINK_STATUS_LINK_UP))
  222. return LFA_LINK_DOWN;
  223. /* if loaded after BOOT from SAN, don't flap the link in any case and
  224. * rely on link set by preboot driver
  225. */
  226. if (params->feature_config_flags & FEATURE_CONFIG_BOOT_FROM_SAN)
  227. return 0;
  228. /* Verify that loopback mode is not set */
  229. if (params->loopback_mode)
  230. return LFA_LOOPBACK_ENABLED;
  231. /* Verify that MFW supports LFA */
  232. if (!params->lfa_base)
  233. return LFA_MFW_IS_TOO_OLD;
  234. if (params->num_phys == 3) {
  235. cfg_size = 2;
  236. lfa_mask = 0xffffffff;
  237. } else {
  238. cfg_size = 1;
  239. lfa_mask = 0xffff;
  240. }
  241. /* Compare Duplex */
  242. saved_val = REG_RD(bp, params->lfa_base +
  243. offsetof(struct shmem_lfa, req_duplex));
  244. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  245. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  246. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  247. (saved_val & lfa_mask), (req_val & lfa_mask));
  248. return LFA_DUPLEX_MISMATCH;
  249. }
  250. /* Compare Flow Control */
  251. saved_val = REG_RD(bp, params->lfa_base +
  252. offsetof(struct shmem_lfa, req_flow_ctrl));
  253. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  254. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  255. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  256. (saved_val & lfa_mask), (req_val & lfa_mask));
  257. return LFA_FLOW_CTRL_MISMATCH;
  258. }
  259. /* Compare Link Speed */
  260. saved_val = REG_RD(bp, params->lfa_base +
  261. offsetof(struct shmem_lfa, req_line_speed));
  262. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  263. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  264. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  265. (saved_val & lfa_mask), (req_val & lfa_mask));
  266. return LFA_LINK_SPEED_MISMATCH;
  267. }
  268. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  269. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  270. offsetof(struct shmem_lfa,
  271. speed_cap_mask[cfg_idx]));
  272. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  273. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  274. cur_speed_cap_mask,
  275. params->speed_cap_mask[cfg_idx]);
  276. return LFA_SPEED_CAP_MISMATCH;
  277. }
  278. }
  279. cur_req_fc_auto_adv =
  280. REG_RD(bp, params->lfa_base +
  281. offsetof(struct shmem_lfa, additional_config)) &
  282. REQ_FC_AUTO_ADV_MASK;
  283. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  284. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  285. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  286. return LFA_FLOW_CTRL_MISMATCH;
  287. }
  288. eee_status = REG_RD(bp, params->shmem2_base +
  289. offsetof(struct shmem2_region,
  290. eee_status[params->port]));
  291. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  292. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  293. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  294. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  295. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  296. eee_status);
  297. return LFA_EEE_MISMATCH;
  298. }
  299. /* LFA conditions are met */
  300. return 0;
  301. }
  302. /******************************************************************/
  303. /* EPIO/GPIO section */
  304. /******************************************************************/
  305. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  306. {
  307. u32 epio_mask, gp_oenable;
  308. *en = 0;
  309. /* Sanity check */
  310. if (epio_pin > 31) {
  311. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  312. return;
  313. }
  314. epio_mask = 1 << epio_pin;
  315. /* Set this EPIO to output */
  316. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  317. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  318. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  319. }
  320. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  321. {
  322. u32 epio_mask, gp_output, gp_oenable;
  323. /* Sanity check */
  324. if (epio_pin > 31) {
  325. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  326. return;
  327. }
  328. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  329. epio_mask = 1 << epio_pin;
  330. /* Set this EPIO to output */
  331. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  332. if (en)
  333. gp_output |= epio_mask;
  334. else
  335. gp_output &= ~epio_mask;
  336. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  337. /* Set the value for this EPIO */
  338. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  339. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  340. }
  341. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  342. {
  343. if (pin_cfg == PIN_CFG_NA)
  344. return;
  345. if (pin_cfg >= PIN_CFG_EPIO0) {
  346. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  347. } else {
  348. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  349. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  350. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  351. }
  352. }
  353. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  354. {
  355. if (pin_cfg == PIN_CFG_NA)
  356. return -EINVAL;
  357. if (pin_cfg >= PIN_CFG_EPIO0) {
  358. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  359. } else {
  360. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  361. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  362. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  363. }
  364. return 0;
  365. }
  366. /******************************************************************/
  367. /* ETS section */
  368. /******************************************************************/
  369. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  370. {
  371. /* ETS disabled configuration*/
  372. struct bnx2x *bp = params->bp;
  373. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  374. /* mapping between entry priority to client number (0,1,2 -debug and
  375. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  376. * 3bits client num.
  377. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  378. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  379. */
  380. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  381. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  382. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  383. * COS0 entry, 4 - COS1 entry.
  384. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  385. * bit4 bit3 bit2 bit1 bit0
  386. * MCP and debug are strict
  387. */
  388. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  389. /* defines which entries (clients) are subjected to WFQ arbitration */
  390. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  391. /* For strict priority entries defines the number of consecutive
  392. * slots for the highest priority.
  393. */
  394. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  395. /* mapping between the CREDIT_WEIGHT registers and actual client
  396. * numbers
  397. */
  398. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  399. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  400. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  401. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  402. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  403. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  404. /* ETS mode disable */
  405. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  406. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  407. * weight for COS0/COS1.
  408. */
  409. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  410. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  411. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  412. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  413. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  414. /* Defines the number of consecutive slots for the strict priority */
  415. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  416. }
  417. /******************************************************************************
  418. * Description:
  419. * Getting min_w_val will be set according to line speed .
  420. *.
  421. ******************************************************************************/
  422. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  423. {
  424. u32 min_w_val = 0;
  425. /* Calculate min_w_val.*/
  426. if (vars->link_up) {
  427. if (vars->line_speed == SPEED_20000)
  428. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  429. else
  430. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  431. } else
  432. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  433. /* If the link isn't up (static configuration for example ) The
  434. * link will be according to 20GBPS.
  435. */
  436. return min_w_val;
  437. }
  438. /******************************************************************************
  439. * Description:
  440. * Getting credit upper bound form min_w_val.
  441. *.
  442. ******************************************************************************/
  443. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  444. {
  445. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  446. MAX_PACKET_SIZE);
  447. return credit_upper_bound;
  448. }
  449. /******************************************************************************
  450. * Description:
  451. * Set credit upper bound for NIG.
  452. *.
  453. ******************************************************************************/
  454. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  455. const struct link_params *params,
  456. const u32 min_w_val)
  457. {
  458. struct bnx2x *bp = params->bp;
  459. const u8 port = params->port;
  460. const u32 credit_upper_bound =
  461. bnx2x_ets_get_credit_upper_bound(min_w_val);
  462. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  463. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  464. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  465. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  466. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  467. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  468. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  469. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  470. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  471. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  472. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  473. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  474. if (!port) {
  475. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  476. credit_upper_bound);
  477. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  478. credit_upper_bound);
  479. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  480. credit_upper_bound);
  481. }
  482. }
  483. /******************************************************************************
  484. * Description:
  485. * Will return the NIG ETS registers to init values.Except
  486. * credit_upper_bound.
  487. * That isn't used in this configuration (No WFQ is enabled) and will be
  488. * configured acording to spec
  489. *.
  490. ******************************************************************************/
  491. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  492. const struct link_vars *vars)
  493. {
  494. struct bnx2x *bp = params->bp;
  495. const u8 port = params->port;
  496. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  497. /* Mapping between entry priority to client number (0,1,2 -debug and
  498. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  499. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  500. * reset value or init tool
  501. */
  502. if (port) {
  503. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  504. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  505. } else {
  506. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  507. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  508. }
  509. /* For strict priority entries defines the number of consecutive
  510. * slots for the highest priority.
  511. */
  512. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  513. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  514. /* Mapping between the CREDIT_WEIGHT registers and actual client
  515. * numbers
  516. */
  517. if (port) {
  518. /*Port 1 has 6 COS*/
  519. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  520. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  521. } else {
  522. /*Port 0 has 9 COS*/
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  524. 0x43210876);
  525. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  526. }
  527. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  528. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  529. * COS0 entry, 4 - COS1 entry.
  530. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  531. * bit4 bit3 bit2 bit1 bit0
  532. * MCP and debug are strict
  533. */
  534. if (port)
  535. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  536. else
  537. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  538. /* defines which entries (clients) are subjected to WFQ arbitration */
  539. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  540. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  541. /* Please notice the register address are note continuous and a
  542. * for here is note appropriate.In 2 port mode port0 only COS0-5
  543. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  544. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  545. * are never used for WFQ
  546. */
  547. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  548. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  549. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  550. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  551. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  552. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  553. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  554. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  555. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  556. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  557. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  558. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  559. if (!port) {
  560. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  561. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  562. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  563. }
  564. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  565. }
  566. /******************************************************************************
  567. * Description:
  568. * Set credit upper bound for PBF.
  569. *.
  570. ******************************************************************************/
  571. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  572. const struct link_params *params,
  573. const u32 min_w_val)
  574. {
  575. struct bnx2x *bp = params->bp;
  576. const u32 credit_upper_bound =
  577. bnx2x_ets_get_credit_upper_bound(min_w_val);
  578. const u8 port = params->port;
  579. u32 base_upper_bound = 0;
  580. u8 max_cos = 0;
  581. u8 i = 0;
  582. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  583. * port mode port1 has COS0-2 that can be used for WFQ.
  584. */
  585. if (!port) {
  586. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  587. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  588. } else {
  589. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  590. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  591. }
  592. for (i = 0; i < max_cos; i++)
  593. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  594. }
  595. /******************************************************************************
  596. * Description:
  597. * Will return the PBF ETS registers to init values.Except
  598. * credit_upper_bound.
  599. * That isn't used in this configuration (No WFQ is enabled) and will be
  600. * configured acording to spec
  601. *.
  602. ******************************************************************************/
  603. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  604. {
  605. struct bnx2x *bp = params->bp;
  606. const u8 port = params->port;
  607. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  608. u8 i = 0;
  609. u32 base_weight = 0;
  610. u8 max_cos = 0;
  611. /* Mapping between entry priority to client number 0 - COS0
  612. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  613. * TODO_ETS - Should be done by reset value or init tool
  614. */
  615. if (port)
  616. /* 0x688 (|011|0 10|00 1|000) */
  617. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  618. else
  619. /* (10 1|100 |011|0 10|00 1|000) */
  620. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  621. /* TODO_ETS - Should be done by reset value or init tool */
  622. if (port)
  623. /* 0x688 (|011|0 10|00 1|000)*/
  624. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  625. else
  626. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  627. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  628. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  629. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  630. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  631. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  632. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  633. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  634. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  635. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  636. */
  637. if (!port) {
  638. base_weight = PBF_REG_COS0_WEIGHT_P0;
  639. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  640. } else {
  641. base_weight = PBF_REG_COS0_WEIGHT_P1;
  642. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  643. }
  644. for (i = 0; i < max_cos; i++)
  645. REG_WR(bp, base_weight + (0x4 * i), 0);
  646. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  647. }
  648. /******************************************************************************
  649. * Description:
  650. * E3B0 disable will return basicly the values to init values.
  651. *.
  652. ******************************************************************************/
  653. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  654. const struct link_vars *vars)
  655. {
  656. struct bnx2x *bp = params->bp;
  657. if (!CHIP_IS_E3B0(bp)) {
  658. DP(NETIF_MSG_LINK,
  659. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  660. return -EINVAL;
  661. }
  662. bnx2x_ets_e3b0_nig_disabled(params, vars);
  663. bnx2x_ets_e3b0_pbf_disabled(params);
  664. return 0;
  665. }
  666. /******************************************************************************
  667. * Description:
  668. * Disable will return basicly the values to init values.
  669. *
  670. ******************************************************************************/
  671. int bnx2x_ets_disabled(struct link_params *params,
  672. struct link_vars *vars)
  673. {
  674. struct bnx2x *bp = params->bp;
  675. int bnx2x_status = 0;
  676. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  677. bnx2x_ets_e2e3a0_disabled(params);
  678. else if (CHIP_IS_E3B0(bp))
  679. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  680. else {
  681. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  682. return -EINVAL;
  683. }
  684. return bnx2x_status;
  685. }
  686. /******************************************************************************
  687. * Description
  688. * Set the COS mappimg to SP and BW until this point all the COS are not
  689. * set as SP or BW.
  690. ******************************************************************************/
  691. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  692. const struct bnx2x_ets_params *ets_params,
  693. const u8 cos_sp_bitmap,
  694. const u8 cos_bw_bitmap)
  695. {
  696. struct bnx2x *bp = params->bp;
  697. const u8 port = params->port;
  698. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  699. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  700. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  701. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  702. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  703. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  704. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  705. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  706. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  707. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  708. nig_cli_subject2wfq_bitmap);
  709. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  710. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  711. pbf_cli_subject2wfq_bitmap);
  712. return 0;
  713. }
  714. /******************************************************************************
  715. * Description:
  716. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  717. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  718. ******************************************************************************/
  719. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  720. const u8 cos_entry,
  721. const u32 min_w_val_nig,
  722. const u32 min_w_val_pbf,
  723. const u16 total_bw,
  724. const u8 bw,
  725. const u8 port)
  726. {
  727. u32 nig_reg_adress_crd_weight = 0;
  728. u32 pbf_reg_adress_crd_weight = 0;
  729. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  730. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  731. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  732. switch (cos_entry) {
  733. case 0:
  734. nig_reg_adress_crd_weight =
  735. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  736. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  737. pbf_reg_adress_crd_weight = (port) ?
  738. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  739. break;
  740. case 1:
  741. nig_reg_adress_crd_weight = (port) ?
  742. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  743. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  744. pbf_reg_adress_crd_weight = (port) ?
  745. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  746. break;
  747. case 2:
  748. nig_reg_adress_crd_weight = (port) ?
  749. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  750. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  751. pbf_reg_adress_crd_weight = (port) ?
  752. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  753. break;
  754. case 3:
  755. if (port)
  756. return -EINVAL;
  757. nig_reg_adress_crd_weight =
  758. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  759. pbf_reg_adress_crd_weight =
  760. PBF_REG_COS3_WEIGHT_P0;
  761. break;
  762. case 4:
  763. if (port)
  764. return -EINVAL;
  765. nig_reg_adress_crd_weight =
  766. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  767. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  768. break;
  769. case 5:
  770. if (port)
  771. return -EINVAL;
  772. nig_reg_adress_crd_weight =
  773. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  774. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  775. break;
  776. }
  777. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  778. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  779. return 0;
  780. }
  781. /******************************************************************************
  782. * Description:
  783. * Calculate the total BW.A value of 0 isn't legal.
  784. *
  785. ******************************************************************************/
  786. static int bnx2x_ets_e3b0_get_total_bw(
  787. const struct link_params *params,
  788. struct bnx2x_ets_params *ets_params,
  789. u16 *total_bw)
  790. {
  791. struct bnx2x *bp = params->bp;
  792. u8 cos_idx = 0;
  793. u8 is_bw_cos_exist = 0;
  794. *total_bw = 0 ;
  795. /* Calculate total BW requested */
  796. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  797. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  798. is_bw_cos_exist = 1;
  799. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  800. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  801. "was set to 0\n");
  802. /* This is to prevent a state when ramrods
  803. * can't be sent
  804. */
  805. ets_params->cos[cos_idx].params.bw_params.bw
  806. = 1;
  807. }
  808. *total_bw +=
  809. ets_params->cos[cos_idx].params.bw_params.bw;
  810. }
  811. }
  812. /* Check total BW is valid */
  813. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  814. if (*total_bw == 0) {
  815. DP(NETIF_MSG_LINK,
  816. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  817. return -EINVAL;
  818. }
  819. DP(NETIF_MSG_LINK,
  820. "bnx2x_ets_E3B0_config total BW should be 100\n");
  821. /* We can handle a case whre the BW isn't 100 this can happen
  822. * if the TC are joined.
  823. */
  824. }
  825. return 0;
  826. }
  827. /******************************************************************************
  828. * Description:
  829. * Invalidate all the sp_pri_to_cos.
  830. *
  831. ******************************************************************************/
  832. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  833. {
  834. u8 pri = 0;
  835. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  836. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  837. }
  838. /******************************************************************************
  839. * Description:
  840. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  841. * according to sp_pri_to_cos.
  842. *
  843. ******************************************************************************/
  844. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  845. u8 *sp_pri_to_cos, const u8 pri,
  846. const u8 cos_entry)
  847. {
  848. struct bnx2x *bp = params->bp;
  849. const u8 port = params->port;
  850. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  851. DCBX_E3B0_MAX_NUM_COS_PORT0;
  852. if (pri >= max_num_of_cos) {
  853. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  854. "parameter Illegal strict priority\n");
  855. return -EINVAL;
  856. }
  857. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  858. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  859. "parameter There can't be two COS's with "
  860. "the same strict pri\n");
  861. return -EINVAL;
  862. }
  863. sp_pri_to_cos[pri] = cos_entry;
  864. return 0;
  865. }
  866. /******************************************************************************
  867. * Description:
  868. * Returns the correct value according to COS and priority in
  869. * the sp_pri_cli register.
  870. *
  871. ******************************************************************************/
  872. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  873. const u8 pri_set,
  874. const u8 pri_offset,
  875. const u8 entry_size)
  876. {
  877. u64 pri_cli_nig = 0;
  878. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  879. (pri_set + pri_offset));
  880. return pri_cli_nig;
  881. }
  882. /******************************************************************************
  883. * Description:
  884. * Returns the correct value according to COS and priority in the
  885. * sp_pri_cli register for NIG.
  886. *
  887. ******************************************************************************/
  888. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  889. {
  890. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  891. const u8 nig_cos_offset = 3;
  892. const u8 nig_pri_offset = 3;
  893. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  894. nig_pri_offset, 4);
  895. }
  896. /******************************************************************************
  897. * Description:
  898. * Returns the correct value according to COS and priority in the
  899. * sp_pri_cli register for PBF.
  900. *
  901. ******************************************************************************/
  902. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  903. {
  904. const u8 pbf_cos_offset = 0;
  905. const u8 pbf_pri_offset = 0;
  906. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  907. pbf_pri_offset, 3);
  908. }
  909. /******************************************************************************
  910. * Description:
  911. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  912. * according to sp_pri_to_cos.(which COS has higher priority)
  913. *
  914. ******************************************************************************/
  915. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  916. u8 *sp_pri_to_cos)
  917. {
  918. struct bnx2x *bp = params->bp;
  919. u8 i = 0;
  920. const u8 port = params->port;
  921. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  922. u64 pri_cli_nig = 0x210;
  923. u32 pri_cli_pbf = 0x0;
  924. u8 pri_set = 0;
  925. u8 pri_bitmask = 0;
  926. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  927. DCBX_E3B0_MAX_NUM_COS_PORT0;
  928. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  929. /* Set all the strict priority first */
  930. for (i = 0; i < max_num_of_cos; i++) {
  931. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  932. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  933. DP(NETIF_MSG_LINK,
  934. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  935. "invalid cos entry\n");
  936. return -EINVAL;
  937. }
  938. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  939. sp_pri_to_cos[i], pri_set);
  940. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  941. sp_pri_to_cos[i], pri_set);
  942. pri_bitmask = 1 << sp_pri_to_cos[i];
  943. /* COS is used remove it from bitmap.*/
  944. if (!(pri_bitmask & cos_bit_to_set)) {
  945. DP(NETIF_MSG_LINK,
  946. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  947. "invalid There can't be two COS's with"
  948. " the same strict pri\n");
  949. return -EINVAL;
  950. }
  951. cos_bit_to_set &= ~pri_bitmask;
  952. pri_set++;
  953. }
  954. }
  955. /* Set all the Non strict priority i= COS*/
  956. for (i = 0; i < max_num_of_cos; i++) {
  957. pri_bitmask = 1 << i;
  958. /* Check if COS was already used for SP */
  959. if (pri_bitmask & cos_bit_to_set) {
  960. /* COS wasn't used for SP */
  961. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  962. i, pri_set);
  963. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  964. i, pri_set);
  965. /* COS is used remove it from bitmap.*/
  966. cos_bit_to_set &= ~pri_bitmask;
  967. pri_set++;
  968. }
  969. }
  970. if (pri_set != max_num_of_cos) {
  971. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  972. "entries were set\n");
  973. return -EINVAL;
  974. }
  975. if (port) {
  976. /* Only 6 usable clients*/
  977. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  978. (u32)pri_cli_nig);
  979. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  980. } else {
  981. /* Only 9 usable clients*/
  982. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  983. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  984. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  985. pri_cli_nig_lsb);
  986. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  987. pri_cli_nig_msb);
  988. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  989. }
  990. return 0;
  991. }
  992. /******************************************************************************
  993. * Description:
  994. * Configure the COS to ETS according to BW and SP settings.
  995. ******************************************************************************/
  996. int bnx2x_ets_e3b0_config(const struct link_params *params,
  997. const struct link_vars *vars,
  998. struct bnx2x_ets_params *ets_params)
  999. {
  1000. struct bnx2x *bp = params->bp;
  1001. int bnx2x_status = 0;
  1002. const u8 port = params->port;
  1003. u16 total_bw = 0;
  1004. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1005. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1006. u8 cos_bw_bitmap = 0;
  1007. u8 cos_sp_bitmap = 0;
  1008. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1009. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1010. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1011. u8 cos_entry = 0;
  1012. if (!CHIP_IS_E3B0(bp)) {
  1013. DP(NETIF_MSG_LINK,
  1014. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1015. return -EINVAL;
  1016. }
  1017. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1018. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1019. "isn't supported\n");
  1020. return -EINVAL;
  1021. }
  1022. /* Prepare sp strict priority parameters*/
  1023. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1024. /* Prepare BW parameters*/
  1025. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1026. &total_bw);
  1027. if (bnx2x_status) {
  1028. DP(NETIF_MSG_LINK,
  1029. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1030. return -EINVAL;
  1031. }
  1032. /* Upper bound is set according to current link speed (min_w_val
  1033. * should be the same for upper bound and COS credit val).
  1034. */
  1035. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1036. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1037. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1038. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1039. cos_bw_bitmap |= (1 << cos_entry);
  1040. /* The function also sets the BW in HW(not the mappin
  1041. * yet)
  1042. */
  1043. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1044. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1045. total_bw,
  1046. ets_params->cos[cos_entry].params.bw_params.bw,
  1047. port);
  1048. } else if (bnx2x_cos_state_strict ==
  1049. ets_params->cos[cos_entry].state){
  1050. cos_sp_bitmap |= (1 << cos_entry);
  1051. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1052. params,
  1053. sp_pri_to_cos,
  1054. ets_params->cos[cos_entry].params.sp_params.pri,
  1055. cos_entry);
  1056. } else {
  1057. DP(NETIF_MSG_LINK,
  1058. "bnx2x_ets_e3b0_config cos state not valid\n");
  1059. return -EINVAL;
  1060. }
  1061. if (bnx2x_status) {
  1062. DP(NETIF_MSG_LINK,
  1063. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1064. return bnx2x_status;
  1065. }
  1066. }
  1067. /* Set SP register (which COS has higher priority) */
  1068. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1069. sp_pri_to_cos);
  1070. if (bnx2x_status) {
  1071. DP(NETIF_MSG_LINK,
  1072. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1073. return bnx2x_status;
  1074. }
  1075. /* Set client mapping of BW and strict */
  1076. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1077. cos_sp_bitmap,
  1078. cos_bw_bitmap);
  1079. if (bnx2x_status) {
  1080. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1081. return bnx2x_status;
  1082. }
  1083. return 0;
  1084. }
  1085. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1086. {
  1087. /* ETS disabled configuration */
  1088. struct bnx2x *bp = params->bp;
  1089. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1090. /* Defines which entries (clients) are subjected to WFQ arbitration
  1091. * COS0 0x8
  1092. * COS1 0x10
  1093. */
  1094. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1095. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1096. * client numbers (WEIGHT_0 does not actually have to represent
  1097. * client 0)
  1098. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1099. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1100. */
  1101. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1102. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1103. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1104. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1105. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1106. /* ETS mode enabled*/
  1107. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1108. /* Defines the number of consecutive slots for the strict priority */
  1109. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1110. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1111. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1112. * entry, 4 - COS1 entry.
  1113. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1114. * bit4 bit3 bit2 bit1 bit0
  1115. * MCP and debug are strict
  1116. */
  1117. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1118. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1119. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1120. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1121. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1122. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1123. }
  1124. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1125. const u32 cos1_bw)
  1126. {
  1127. /* ETS disabled configuration*/
  1128. struct bnx2x *bp = params->bp;
  1129. const u32 total_bw = cos0_bw + cos1_bw;
  1130. u32 cos0_credit_weight = 0;
  1131. u32 cos1_credit_weight = 0;
  1132. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1133. if ((!total_bw) ||
  1134. (!cos0_bw) ||
  1135. (!cos1_bw)) {
  1136. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1137. return;
  1138. }
  1139. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1140. total_bw;
  1141. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1142. total_bw;
  1143. bnx2x_ets_bw_limit_common(params);
  1144. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1145. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1146. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1147. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1148. }
  1149. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1150. {
  1151. /* ETS disabled configuration*/
  1152. struct bnx2x *bp = params->bp;
  1153. u32 val = 0;
  1154. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1155. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1156. * as strict. Bits 0,1,2 - debug and management entries,
  1157. * 3 - COS0 entry, 4 - COS1 entry.
  1158. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1159. * bit4 bit3 bit2 bit1 bit0
  1160. * MCP and debug are strict
  1161. */
  1162. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1163. /* For strict priority entries defines the number of consecutive slots
  1164. * for the highest priority.
  1165. */
  1166. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1167. /* ETS mode disable */
  1168. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1169. /* Defines the number of consecutive slots for the strict priority */
  1170. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1171. /* Defines the number of consecutive slots for the strict priority */
  1172. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1173. /* Mapping between entry priority to client number (0,1,2 -debug and
  1174. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1175. * 3bits client num.
  1176. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1177. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1178. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1179. */
  1180. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1181. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1182. return 0;
  1183. }
  1184. /******************************************************************/
  1185. /* PFC section */
  1186. /******************************************************************/
  1187. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1188. struct link_vars *vars,
  1189. u8 is_lb)
  1190. {
  1191. struct bnx2x *bp = params->bp;
  1192. u32 xmac_base;
  1193. u32 pause_val, pfc0_val, pfc1_val;
  1194. /* XMAC base adrr */
  1195. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1196. /* Initialize pause and pfc registers */
  1197. pause_val = 0x18000;
  1198. pfc0_val = 0xFFFF8000;
  1199. pfc1_val = 0x2;
  1200. /* No PFC support */
  1201. if (!(params->feature_config_flags &
  1202. FEATURE_CONFIG_PFC_ENABLED)) {
  1203. /* RX flow control - Process pause frame in receive direction
  1204. */
  1205. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1206. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1207. /* TX flow control - Send pause packet when buffer is full */
  1208. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1209. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1210. } else {/* PFC support */
  1211. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1212. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1213. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1214. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1215. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1216. /* Write pause and PFC registers */
  1217. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1218. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1219. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1220. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1221. }
  1222. /* Write pause and PFC registers */
  1223. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1224. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1225. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1226. /* Set MAC address for source TX Pause/PFC frames */
  1227. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1228. ((params->mac_addr[2] << 24) |
  1229. (params->mac_addr[3] << 16) |
  1230. (params->mac_addr[4] << 8) |
  1231. (params->mac_addr[5])));
  1232. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1233. ((params->mac_addr[0] << 8) |
  1234. (params->mac_addr[1])));
  1235. udelay(30);
  1236. }
  1237. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1238. u32 pfc_frames_sent[2],
  1239. u32 pfc_frames_received[2])
  1240. {
  1241. /* Read pfc statistic */
  1242. struct bnx2x *bp = params->bp;
  1243. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1244. u32 val_xon = 0;
  1245. u32 val_xoff = 0;
  1246. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1247. /* PFC received frames */
  1248. val_xoff = REG_RD(bp, emac_base +
  1249. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1250. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1251. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1252. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1253. pfc_frames_received[0] = val_xon + val_xoff;
  1254. /* PFC received sent */
  1255. val_xoff = REG_RD(bp, emac_base +
  1256. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1257. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1258. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1259. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1260. pfc_frames_sent[0] = val_xon + val_xoff;
  1261. }
  1262. /* Read pfc statistic*/
  1263. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1264. u32 pfc_frames_sent[2],
  1265. u32 pfc_frames_received[2])
  1266. {
  1267. /* Read pfc statistic */
  1268. struct bnx2x *bp = params->bp;
  1269. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1270. if (!vars->link_up)
  1271. return;
  1272. if (vars->mac_type == MAC_TYPE_EMAC) {
  1273. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1274. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1275. pfc_frames_received);
  1276. }
  1277. }
  1278. /******************************************************************/
  1279. /* MAC/PBF section */
  1280. /******************************************************************/
  1281. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1282. u32 emac_base)
  1283. {
  1284. u32 new_mode, cur_mode;
  1285. u32 clc_cnt;
  1286. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1287. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1288. */
  1289. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1290. if (USES_WARPCORE(bp))
  1291. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1292. else
  1293. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1294. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1295. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1296. return;
  1297. new_mode = cur_mode &
  1298. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1299. new_mode |= clc_cnt;
  1300. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1301. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1302. cur_mode, new_mode);
  1303. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1304. udelay(40);
  1305. }
  1306. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1307. struct link_params *params)
  1308. {
  1309. u8 phy_index;
  1310. /* Set mdio clock per phy */
  1311. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1312. phy_index++)
  1313. bnx2x_set_mdio_clk(bp, params->chip_id,
  1314. params->phy[phy_index].mdio_ctrl);
  1315. }
  1316. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1317. {
  1318. u32 port4mode_ovwr_val;
  1319. /* Check 4-port override enabled */
  1320. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1321. if (port4mode_ovwr_val & (1<<0)) {
  1322. /* Return 4-port mode override value */
  1323. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1324. }
  1325. /* Return 4-port mode from input pin */
  1326. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1327. }
  1328. static void bnx2x_emac_init(struct link_params *params,
  1329. struct link_vars *vars)
  1330. {
  1331. /* reset and unreset the emac core */
  1332. struct bnx2x *bp = params->bp;
  1333. u8 port = params->port;
  1334. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1335. u32 val;
  1336. u16 timeout;
  1337. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1338. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1339. udelay(5);
  1340. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1341. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1342. /* init emac - use read-modify-write */
  1343. /* self clear reset */
  1344. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1345. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1346. timeout = 200;
  1347. do {
  1348. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1349. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1350. if (!timeout) {
  1351. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1352. return;
  1353. }
  1354. timeout--;
  1355. } while (val & EMAC_MODE_RESET);
  1356. bnx2x_set_mdio_emac_per_phy(bp, params);
  1357. /* Set mac address */
  1358. val = ((params->mac_addr[0] << 8) |
  1359. params->mac_addr[1]);
  1360. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1361. val = ((params->mac_addr[2] << 24) |
  1362. (params->mac_addr[3] << 16) |
  1363. (params->mac_addr[4] << 8) |
  1364. params->mac_addr[5]);
  1365. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1366. }
  1367. static void bnx2x_set_xumac_nig(struct link_params *params,
  1368. u16 tx_pause_en,
  1369. u8 enable)
  1370. {
  1371. struct bnx2x *bp = params->bp;
  1372. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1373. enable);
  1374. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1375. enable);
  1376. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1377. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1378. }
  1379. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1380. {
  1381. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1382. u32 val;
  1383. struct bnx2x *bp = params->bp;
  1384. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1385. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1386. return;
  1387. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1388. if (en)
  1389. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1390. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1391. else
  1392. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1393. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1394. /* Disable RX and TX */
  1395. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1396. }
  1397. static void bnx2x_umac_enable(struct link_params *params,
  1398. struct link_vars *vars, u8 lb)
  1399. {
  1400. u32 val;
  1401. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1402. struct bnx2x *bp = params->bp;
  1403. /* Reset UMAC */
  1404. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1405. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1406. usleep_range(1000, 2000);
  1407. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1408. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1409. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1410. /* This register opens the gate for the UMAC despite its name */
  1411. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1412. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1413. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1414. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1415. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1416. switch (vars->line_speed) {
  1417. case SPEED_10:
  1418. val |= (0<<2);
  1419. break;
  1420. case SPEED_100:
  1421. val |= (1<<2);
  1422. break;
  1423. case SPEED_1000:
  1424. val |= (2<<2);
  1425. break;
  1426. case SPEED_2500:
  1427. val |= (3<<2);
  1428. break;
  1429. default:
  1430. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1431. vars->line_speed);
  1432. break;
  1433. }
  1434. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1435. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1436. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1437. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1438. if (vars->duplex == DUPLEX_HALF)
  1439. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1440. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1441. udelay(50);
  1442. /* Configure UMAC for EEE */
  1443. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1444. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1445. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1446. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1447. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1448. } else {
  1449. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1450. }
  1451. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1452. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1453. ((params->mac_addr[2] << 24) |
  1454. (params->mac_addr[3] << 16) |
  1455. (params->mac_addr[4] << 8) |
  1456. (params->mac_addr[5])));
  1457. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1458. ((params->mac_addr[0] << 8) |
  1459. (params->mac_addr[1])));
  1460. /* Enable RX and TX */
  1461. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1462. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1463. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1464. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1465. udelay(50);
  1466. /* Remove SW Reset */
  1467. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1468. /* Check loopback mode */
  1469. if (lb)
  1470. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1471. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1472. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1473. * length used by the MAC receive logic to check frames.
  1474. */
  1475. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1476. bnx2x_set_xumac_nig(params,
  1477. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1478. vars->mac_type = MAC_TYPE_UMAC;
  1479. }
  1480. /* Define the XMAC mode */
  1481. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1482. {
  1483. struct bnx2x *bp = params->bp;
  1484. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1485. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1486. * already out of reset, it means the mode has already been set,
  1487. * and it must not* reset the XMAC again, since it controls both
  1488. * ports of the path
  1489. */
  1490. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1491. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1492. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1493. is_port4mode &&
  1494. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1495. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1496. DP(NETIF_MSG_LINK,
  1497. "XMAC already out of reset in 4-port mode\n");
  1498. return;
  1499. }
  1500. /* Hard reset */
  1501. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1502. MISC_REGISTERS_RESET_REG_2_XMAC);
  1503. usleep_range(1000, 2000);
  1504. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1505. MISC_REGISTERS_RESET_REG_2_XMAC);
  1506. if (is_port4mode) {
  1507. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1508. /* Set the number of ports on the system side to up to 2 */
  1509. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1510. /* Set the number of ports on the Warp Core to 10G */
  1511. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1512. } else {
  1513. /* Set the number of ports on the system side to 1 */
  1514. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1515. if (max_speed == SPEED_10000) {
  1516. DP(NETIF_MSG_LINK,
  1517. "Init XMAC to 10G x 1 port per path\n");
  1518. /* Set the number of ports on the Warp Core to 10G */
  1519. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1520. } else {
  1521. DP(NETIF_MSG_LINK,
  1522. "Init XMAC to 20G x 2 ports per path\n");
  1523. /* Set the number of ports on the Warp Core to 20G */
  1524. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1525. }
  1526. }
  1527. /* Soft reset */
  1528. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1529. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1530. usleep_range(1000, 2000);
  1531. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1532. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1533. }
  1534. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1535. {
  1536. u8 port = params->port;
  1537. struct bnx2x *bp = params->bp;
  1538. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1539. u32 val;
  1540. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1541. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1542. /* Send an indication to change the state in the NIG back to XON
  1543. * Clearing this bit enables the next set of this bit to get
  1544. * rising edge
  1545. */
  1546. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1547. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1548. (pfc_ctrl & ~(1<<1)));
  1549. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1550. (pfc_ctrl | (1<<1)));
  1551. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1552. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1553. if (en)
  1554. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1555. else
  1556. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1557. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1558. }
  1559. }
  1560. static int bnx2x_xmac_enable(struct link_params *params,
  1561. struct link_vars *vars, u8 lb)
  1562. {
  1563. u32 val, xmac_base;
  1564. struct bnx2x *bp = params->bp;
  1565. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1566. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1567. bnx2x_xmac_init(params, vars->line_speed);
  1568. /* This register determines on which events the MAC will assert
  1569. * error on the i/f to the NIG along w/ EOP.
  1570. */
  1571. /* This register tells the NIG whether to send traffic to UMAC
  1572. * or XMAC
  1573. */
  1574. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1575. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1576. * detection.
  1577. */
  1578. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1579. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1580. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1581. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1582. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1583. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1584. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1585. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1586. }
  1587. /* Set Max packet size */
  1588. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1589. /* CRC append for Tx packets */
  1590. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1591. /* update PFC */
  1592. bnx2x_update_pfc_xmac(params, vars, 0);
  1593. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1594. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1595. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1596. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1597. } else {
  1598. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1599. }
  1600. /* Enable TX and RX */
  1601. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1602. /* Set MAC in XLGMII mode for dual-mode */
  1603. if ((vars->line_speed == SPEED_20000) &&
  1604. (params->phy[INT_PHY].supported &
  1605. SUPPORTED_20000baseKR2_Full))
  1606. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1607. /* Check loopback mode */
  1608. if (lb)
  1609. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1610. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1611. bnx2x_set_xumac_nig(params,
  1612. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1613. vars->mac_type = MAC_TYPE_XMAC;
  1614. return 0;
  1615. }
  1616. static int bnx2x_emac_enable(struct link_params *params,
  1617. struct link_vars *vars, u8 lb)
  1618. {
  1619. struct bnx2x *bp = params->bp;
  1620. u8 port = params->port;
  1621. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1622. u32 val;
  1623. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1624. /* Disable BMAC */
  1625. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1626. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1627. /* enable emac and not bmac */
  1628. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1629. /* ASIC */
  1630. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1631. u32 ser_lane = ((params->lane_config &
  1632. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1633. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1634. DP(NETIF_MSG_LINK, "XGXS\n");
  1635. /* select the master lanes (out of 0-3) */
  1636. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1637. /* select XGXS */
  1638. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1639. } else { /* SerDes */
  1640. DP(NETIF_MSG_LINK, "SerDes\n");
  1641. /* select SerDes */
  1642. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1643. }
  1644. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1645. EMAC_RX_MODE_RESET);
  1646. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1647. EMAC_TX_MODE_RESET);
  1648. /* pause enable/disable */
  1649. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1650. EMAC_RX_MODE_FLOW_EN);
  1651. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1652. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1653. EMAC_TX_MODE_FLOW_EN));
  1654. if (!(params->feature_config_flags &
  1655. FEATURE_CONFIG_PFC_ENABLED)) {
  1656. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1657. bnx2x_bits_en(bp, emac_base +
  1658. EMAC_REG_EMAC_RX_MODE,
  1659. EMAC_RX_MODE_FLOW_EN);
  1660. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1661. bnx2x_bits_en(bp, emac_base +
  1662. EMAC_REG_EMAC_TX_MODE,
  1663. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1664. EMAC_TX_MODE_FLOW_EN));
  1665. } else
  1666. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1667. EMAC_TX_MODE_FLOW_EN);
  1668. /* KEEP_VLAN_TAG, promiscuous */
  1669. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1670. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1671. /* Setting this bit causes MAC control frames (except for pause
  1672. * frames) to be passed on for processing. This setting has no
  1673. * affect on the operation of the pause frames. This bit effects
  1674. * all packets regardless of RX Parser packet sorting logic.
  1675. * Turn the PFC off to make sure we are in Xon state before
  1676. * enabling it.
  1677. */
  1678. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1679. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1680. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1681. /* Enable PFC again */
  1682. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1683. EMAC_REG_RX_PFC_MODE_RX_EN |
  1684. EMAC_REG_RX_PFC_MODE_TX_EN |
  1685. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1686. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1687. ((0x0101 <<
  1688. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1689. (0x00ff <<
  1690. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1691. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1692. }
  1693. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1694. /* Set Loopback */
  1695. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1696. if (lb)
  1697. val |= 0x810;
  1698. else
  1699. val &= ~0x810;
  1700. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1701. /* Enable emac */
  1702. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1703. /* Enable emac for jumbo packets */
  1704. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1705. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1706. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1707. /* Strip CRC */
  1708. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1709. /* Disable the NIG in/out to the bmac */
  1710. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1711. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1712. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1713. /* Enable the NIG in/out to the emac */
  1714. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1715. val = 0;
  1716. if ((params->feature_config_flags &
  1717. FEATURE_CONFIG_PFC_ENABLED) ||
  1718. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1719. val = 1;
  1720. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1721. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1722. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1723. vars->mac_type = MAC_TYPE_EMAC;
  1724. return 0;
  1725. }
  1726. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1727. struct link_vars *vars)
  1728. {
  1729. u32 wb_data[2];
  1730. struct bnx2x *bp = params->bp;
  1731. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1732. NIG_REG_INGRESS_BMAC0_MEM;
  1733. u32 val = 0x14;
  1734. if ((!(params->feature_config_flags &
  1735. FEATURE_CONFIG_PFC_ENABLED)) &&
  1736. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1737. /* Enable BigMAC to react on received Pause packets */
  1738. val |= (1<<5);
  1739. wb_data[0] = val;
  1740. wb_data[1] = 0;
  1741. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1742. /* TX control */
  1743. val = 0xc0;
  1744. if (!(params->feature_config_flags &
  1745. FEATURE_CONFIG_PFC_ENABLED) &&
  1746. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1747. val |= 0x800000;
  1748. wb_data[0] = val;
  1749. wb_data[1] = 0;
  1750. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1751. }
  1752. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1753. struct link_vars *vars,
  1754. u8 is_lb)
  1755. {
  1756. /* Set rx control: Strip CRC and enable BigMAC to relay
  1757. * control packets to the system as well
  1758. */
  1759. u32 wb_data[2];
  1760. struct bnx2x *bp = params->bp;
  1761. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1762. NIG_REG_INGRESS_BMAC0_MEM;
  1763. u32 val = 0x14;
  1764. if ((!(params->feature_config_flags &
  1765. FEATURE_CONFIG_PFC_ENABLED)) &&
  1766. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1767. /* Enable BigMAC to react on received Pause packets */
  1768. val |= (1<<5);
  1769. wb_data[0] = val;
  1770. wb_data[1] = 0;
  1771. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1772. udelay(30);
  1773. /* Tx control */
  1774. val = 0xc0;
  1775. if (!(params->feature_config_flags &
  1776. FEATURE_CONFIG_PFC_ENABLED) &&
  1777. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1778. val |= 0x800000;
  1779. wb_data[0] = val;
  1780. wb_data[1] = 0;
  1781. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1782. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1783. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1784. /* Enable PFC RX & TX & STATS and set 8 COS */
  1785. wb_data[0] = 0x0;
  1786. wb_data[0] |= (1<<0); /* RX */
  1787. wb_data[0] |= (1<<1); /* TX */
  1788. wb_data[0] |= (1<<2); /* Force initial Xon */
  1789. wb_data[0] |= (1<<3); /* 8 cos */
  1790. wb_data[0] |= (1<<5); /* STATS */
  1791. wb_data[1] = 0;
  1792. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1793. wb_data, 2);
  1794. /* Clear the force Xon */
  1795. wb_data[0] &= ~(1<<2);
  1796. } else {
  1797. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1798. /* Disable PFC RX & TX & STATS and set 8 COS */
  1799. wb_data[0] = 0x8;
  1800. wb_data[1] = 0;
  1801. }
  1802. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1803. /* Set Time (based unit is 512 bit time) between automatic
  1804. * re-sending of PP packets amd enable automatic re-send of
  1805. * Per-Priroity Packet as long as pp_gen is asserted and
  1806. * pp_disable is low.
  1807. */
  1808. val = 0x8000;
  1809. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1810. val |= (1<<16); /* enable automatic re-send */
  1811. wb_data[0] = val;
  1812. wb_data[1] = 0;
  1813. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1814. wb_data, 2);
  1815. /* mac control */
  1816. val = 0x3; /* Enable RX and TX */
  1817. if (is_lb) {
  1818. val |= 0x4; /* Local loopback */
  1819. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1820. }
  1821. /* When PFC enabled, Pass pause frames towards the NIG. */
  1822. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1823. val |= ((1<<6)|(1<<5));
  1824. wb_data[0] = val;
  1825. wb_data[1] = 0;
  1826. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1827. }
  1828. /******************************************************************************
  1829. * Description:
  1830. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1831. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1832. ******************************************************************************/
  1833. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1834. u8 cos_entry,
  1835. u32 priority_mask, u8 port)
  1836. {
  1837. u32 nig_reg_rx_priority_mask_add = 0;
  1838. switch (cos_entry) {
  1839. case 0:
  1840. nig_reg_rx_priority_mask_add = (port) ?
  1841. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1842. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1843. break;
  1844. case 1:
  1845. nig_reg_rx_priority_mask_add = (port) ?
  1846. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1847. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1848. break;
  1849. case 2:
  1850. nig_reg_rx_priority_mask_add = (port) ?
  1851. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1852. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1853. break;
  1854. case 3:
  1855. if (port)
  1856. return -EINVAL;
  1857. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1858. break;
  1859. case 4:
  1860. if (port)
  1861. return -EINVAL;
  1862. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1863. break;
  1864. case 5:
  1865. if (port)
  1866. return -EINVAL;
  1867. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1868. break;
  1869. }
  1870. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1871. return 0;
  1872. }
  1873. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1874. {
  1875. struct bnx2x *bp = params->bp;
  1876. REG_WR(bp, params->shmem_base +
  1877. offsetof(struct shmem_region,
  1878. port_mb[params->port].link_status), link_status);
  1879. }
  1880. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1881. {
  1882. struct bnx2x *bp = params->bp;
  1883. if (SHMEM2_HAS(bp, link_attr_sync))
  1884. REG_WR(bp, params->shmem2_base +
  1885. offsetof(struct shmem2_region,
  1886. link_attr_sync[params->port]), link_attr);
  1887. }
  1888. static void bnx2x_update_pfc_nig(struct link_params *params,
  1889. struct link_vars *vars,
  1890. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1891. {
  1892. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1893. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1894. u32 pkt_priority_to_cos = 0;
  1895. struct bnx2x *bp = params->bp;
  1896. u8 port = params->port;
  1897. int set_pfc = params->feature_config_flags &
  1898. FEATURE_CONFIG_PFC_ENABLED;
  1899. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1900. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1901. * MAC control frames (that are not pause packets)
  1902. * will be forwarded to the XCM.
  1903. */
  1904. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1905. NIG_REG_LLH0_XCM_MASK);
  1906. /* NIG params will override non PFC params, since it's possible to
  1907. * do transition from PFC to SAFC
  1908. */
  1909. if (set_pfc) {
  1910. pause_enable = 0;
  1911. llfc_out_en = 0;
  1912. llfc_enable = 0;
  1913. if (CHIP_IS_E3(bp))
  1914. ppp_enable = 0;
  1915. else
  1916. ppp_enable = 1;
  1917. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1918. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1919. xcm_out_en = 0;
  1920. hwpfc_enable = 1;
  1921. } else {
  1922. if (nig_params) {
  1923. llfc_out_en = nig_params->llfc_out_en;
  1924. llfc_enable = nig_params->llfc_enable;
  1925. pause_enable = nig_params->pause_enable;
  1926. } else /* Default non PFC mode - PAUSE */
  1927. pause_enable = 1;
  1928. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1929. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1930. xcm_out_en = 1;
  1931. }
  1932. if (CHIP_IS_E3(bp))
  1933. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1934. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1935. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1936. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1937. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1938. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1939. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1940. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1941. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1942. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1943. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1944. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1945. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1946. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1947. /* Output enable for RX_XCM # IF */
  1948. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1949. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1950. /* HW PFC TX enable */
  1951. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1952. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1953. if (nig_params) {
  1954. u8 i = 0;
  1955. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1956. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1957. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1958. nig_params->rx_cos_priority_mask[i], port);
  1959. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1960. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1961. nig_params->llfc_high_priority_classes);
  1962. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1963. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1964. nig_params->llfc_low_priority_classes);
  1965. }
  1966. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1967. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1968. pkt_priority_to_cos);
  1969. }
  1970. int bnx2x_update_pfc(struct link_params *params,
  1971. struct link_vars *vars,
  1972. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1973. {
  1974. /* The PFC and pause are orthogonal to one another, meaning when
  1975. * PFC is enabled, the pause are disabled, and when PFC is
  1976. * disabled, pause are set according to the pause result.
  1977. */
  1978. u32 val;
  1979. struct bnx2x *bp = params->bp;
  1980. int bnx2x_status = 0;
  1981. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1982. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1983. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1984. else
  1985. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1986. bnx2x_update_mng(params, vars->link_status);
  1987. /* Update NIG params */
  1988. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1989. if (!vars->link_up)
  1990. return bnx2x_status;
  1991. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1992. if (CHIP_IS_E3(bp)) {
  1993. if (vars->mac_type == MAC_TYPE_XMAC)
  1994. bnx2x_update_pfc_xmac(params, vars, 0);
  1995. } else {
  1996. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1997. if ((val &
  1998. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1999. == 0) {
  2000. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2001. bnx2x_emac_enable(params, vars, 0);
  2002. return bnx2x_status;
  2003. }
  2004. if (CHIP_IS_E2(bp))
  2005. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2006. else
  2007. bnx2x_update_pfc_bmac1(params, vars);
  2008. val = 0;
  2009. if ((params->feature_config_flags &
  2010. FEATURE_CONFIG_PFC_ENABLED) ||
  2011. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2012. val = 1;
  2013. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2014. }
  2015. return bnx2x_status;
  2016. }
  2017. static int bnx2x_bmac1_enable(struct link_params *params,
  2018. struct link_vars *vars,
  2019. u8 is_lb)
  2020. {
  2021. struct bnx2x *bp = params->bp;
  2022. u8 port = params->port;
  2023. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2024. NIG_REG_INGRESS_BMAC0_MEM;
  2025. u32 wb_data[2];
  2026. u32 val;
  2027. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2028. /* XGXS control */
  2029. wb_data[0] = 0x3c;
  2030. wb_data[1] = 0;
  2031. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2032. wb_data, 2);
  2033. /* TX MAC SA */
  2034. wb_data[0] = ((params->mac_addr[2] << 24) |
  2035. (params->mac_addr[3] << 16) |
  2036. (params->mac_addr[4] << 8) |
  2037. params->mac_addr[5]);
  2038. wb_data[1] = ((params->mac_addr[0] << 8) |
  2039. params->mac_addr[1]);
  2040. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2041. /* MAC control */
  2042. val = 0x3;
  2043. if (is_lb) {
  2044. val |= 0x4;
  2045. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2046. }
  2047. wb_data[0] = val;
  2048. wb_data[1] = 0;
  2049. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2050. /* Set rx mtu */
  2051. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2052. wb_data[1] = 0;
  2053. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2054. bnx2x_update_pfc_bmac1(params, vars);
  2055. /* Set tx 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_TX_MAX_SIZE, wb_data, 2);
  2059. /* Set cnt max size */
  2060. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2061. wb_data[1] = 0;
  2062. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2063. /* Configure SAFC */
  2064. wb_data[0] = 0x1000200;
  2065. wb_data[1] = 0;
  2066. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2067. wb_data, 2);
  2068. return 0;
  2069. }
  2070. static int bnx2x_bmac2_enable(struct link_params *params,
  2071. struct link_vars *vars,
  2072. u8 is_lb)
  2073. {
  2074. struct bnx2x *bp = params->bp;
  2075. u8 port = params->port;
  2076. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2077. NIG_REG_INGRESS_BMAC0_MEM;
  2078. u32 wb_data[2];
  2079. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2080. wb_data[0] = 0;
  2081. wb_data[1] = 0;
  2082. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2083. udelay(30);
  2084. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2085. wb_data[0] = 0x3c;
  2086. wb_data[1] = 0;
  2087. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2088. wb_data, 2);
  2089. udelay(30);
  2090. /* TX MAC SA */
  2091. wb_data[0] = ((params->mac_addr[2] << 24) |
  2092. (params->mac_addr[3] << 16) |
  2093. (params->mac_addr[4] << 8) |
  2094. params->mac_addr[5]);
  2095. wb_data[1] = ((params->mac_addr[0] << 8) |
  2096. params->mac_addr[1]);
  2097. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2098. wb_data, 2);
  2099. udelay(30);
  2100. /* Configure SAFC */
  2101. wb_data[0] = 0x1000200;
  2102. wb_data[1] = 0;
  2103. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2104. wb_data, 2);
  2105. udelay(30);
  2106. /* Set RX MTU */
  2107. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2108. wb_data[1] = 0;
  2109. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2110. udelay(30);
  2111. /* Set TX 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_TX_MAX_SIZE, wb_data, 2);
  2115. udelay(30);
  2116. /* Set cnt max size */
  2117. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2118. wb_data[1] = 0;
  2119. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2120. udelay(30);
  2121. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2122. return 0;
  2123. }
  2124. static int bnx2x_bmac_enable(struct link_params *params,
  2125. struct link_vars *vars,
  2126. u8 is_lb, u8 reset_bmac)
  2127. {
  2128. int rc = 0;
  2129. u8 port = params->port;
  2130. struct bnx2x *bp = params->bp;
  2131. u32 val;
  2132. /* Reset and unreset the BigMac */
  2133. if (reset_bmac) {
  2134. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2135. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2136. usleep_range(1000, 2000);
  2137. }
  2138. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2139. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2140. /* Enable access for bmac registers */
  2141. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2142. /* Enable BMAC according to BMAC type*/
  2143. if (CHIP_IS_E2(bp))
  2144. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2145. else
  2146. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2147. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2148. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2149. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2150. val = 0;
  2151. if ((params->feature_config_flags &
  2152. FEATURE_CONFIG_PFC_ENABLED) ||
  2153. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2154. val = 1;
  2155. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2156. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2157. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2158. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2159. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2160. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2161. vars->mac_type = MAC_TYPE_BMAC;
  2162. return rc;
  2163. }
  2164. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2165. {
  2166. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2167. NIG_REG_INGRESS_BMAC0_MEM;
  2168. u32 wb_data[2];
  2169. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2170. if (CHIP_IS_E2(bp))
  2171. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2172. else
  2173. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2174. /* Only if the bmac is out of reset */
  2175. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2176. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2177. nig_bmac_enable) {
  2178. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2179. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2180. if (en)
  2181. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2182. else
  2183. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2184. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2185. usleep_range(1000, 2000);
  2186. }
  2187. }
  2188. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2189. u32 line_speed)
  2190. {
  2191. struct bnx2x *bp = params->bp;
  2192. u8 port = params->port;
  2193. u32 init_crd, crd;
  2194. u32 count = 1000;
  2195. /* Disable port */
  2196. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2197. /* Wait for init credit */
  2198. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2199. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2200. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2201. while ((init_crd != crd) && count) {
  2202. usleep_range(5000, 10000);
  2203. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2204. count--;
  2205. }
  2206. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2207. if (init_crd != crd) {
  2208. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2209. init_crd, crd);
  2210. return -EINVAL;
  2211. }
  2212. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2213. line_speed == SPEED_10 ||
  2214. line_speed == SPEED_100 ||
  2215. line_speed == SPEED_1000 ||
  2216. line_speed == SPEED_2500) {
  2217. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2218. /* Update threshold */
  2219. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2220. /* Update init credit */
  2221. init_crd = 778; /* (800-18-4) */
  2222. } else {
  2223. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2224. ETH_OVREHEAD)/16;
  2225. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2226. /* Update threshold */
  2227. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2228. /* Update init credit */
  2229. switch (line_speed) {
  2230. case SPEED_10000:
  2231. init_crd = thresh + 553 - 22;
  2232. break;
  2233. default:
  2234. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2235. line_speed);
  2236. return -EINVAL;
  2237. }
  2238. }
  2239. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2240. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2241. line_speed, init_crd);
  2242. /* Probe the credit changes */
  2243. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2244. usleep_range(5000, 10000);
  2245. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2246. /* Enable port */
  2247. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2248. return 0;
  2249. }
  2250. /**
  2251. * bnx2x_get_emac_base - retrive emac base address
  2252. *
  2253. * @bp: driver handle
  2254. * @mdc_mdio_access: access type
  2255. * @port: port id
  2256. *
  2257. * This function selects the MDC/MDIO access (through emac0 or
  2258. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2259. * phy has a default access mode, which could also be overridden
  2260. * by nvram configuration. This parameter, whether this is the
  2261. * default phy configuration, or the nvram overrun
  2262. * configuration, is passed here as mdc_mdio_access and selects
  2263. * the emac_base for the CL45 read/writes operations
  2264. */
  2265. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2266. u32 mdc_mdio_access, u8 port)
  2267. {
  2268. u32 emac_base = 0;
  2269. switch (mdc_mdio_access) {
  2270. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2271. break;
  2272. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2273. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2274. emac_base = GRCBASE_EMAC1;
  2275. else
  2276. emac_base = GRCBASE_EMAC0;
  2277. break;
  2278. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2279. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2280. emac_base = GRCBASE_EMAC0;
  2281. else
  2282. emac_base = GRCBASE_EMAC1;
  2283. break;
  2284. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2285. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2286. break;
  2287. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2288. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2289. break;
  2290. default:
  2291. break;
  2292. }
  2293. return emac_base;
  2294. }
  2295. /******************************************************************/
  2296. /* CL22 access functions */
  2297. /******************************************************************/
  2298. static int bnx2x_cl22_write(struct bnx2x *bp,
  2299. struct bnx2x_phy *phy,
  2300. u16 reg, u16 val)
  2301. {
  2302. u32 tmp, mode;
  2303. u8 i;
  2304. int rc = 0;
  2305. /* Switch to CL22 */
  2306. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2307. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2308. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2309. /* Address */
  2310. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2311. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2312. EMAC_MDIO_COMM_START_BUSY);
  2313. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2314. for (i = 0; i < 50; i++) {
  2315. udelay(10);
  2316. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2317. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2318. udelay(5);
  2319. break;
  2320. }
  2321. }
  2322. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2323. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2324. rc = -EFAULT;
  2325. }
  2326. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2327. return rc;
  2328. }
  2329. static int bnx2x_cl22_read(struct bnx2x *bp,
  2330. struct bnx2x_phy *phy,
  2331. u16 reg, u16 *ret_val)
  2332. {
  2333. u32 val, mode;
  2334. u16 i;
  2335. int rc = 0;
  2336. /* Switch to CL22 */
  2337. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2338. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2339. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2340. /* Address */
  2341. val = ((phy->addr << 21) | (reg << 16) |
  2342. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2343. EMAC_MDIO_COMM_START_BUSY);
  2344. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2345. for (i = 0; i < 50; i++) {
  2346. udelay(10);
  2347. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2348. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2349. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2350. udelay(5);
  2351. break;
  2352. }
  2353. }
  2354. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2355. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2356. *ret_val = 0;
  2357. rc = -EFAULT;
  2358. }
  2359. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2360. return rc;
  2361. }
  2362. /******************************************************************/
  2363. /* CL45 access functions */
  2364. /******************************************************************/
  2365. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2366. u8 devad, u16 reg, u16 *ret_val)
  2367. {
  2368. u32 val;
  2369. u16 i;
  2370. int rc = 0;
  2371. u32 chip_id;
  2372. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2373. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2374. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2375. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2376. }
  2377. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2378. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2379. EMAC_MDIO_STATUS_10MB);
  2380. /* Address */
  2381. val = ((phy->addr << 21) | (devad << 16) | reg |
  2382. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2383. EMAC_MDIO_COMM_START_BUSY);
  2384. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2385. for (i = 0; i < 50; i++) {
  2386. udelay(10);
  2387. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2388. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2389. udelay(5);
  2390. break;
  2391. }
  2392. }
  2393. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2394. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2395. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2396. *ret_val = 0;
  2397. rc = -EFAULT;
  2398. } else {
  2399. /* Data */
  2400. val = ((phy->addr << 21) | (devad << 16) |
  2401. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2402. EMAC_MDIO_COMM_START_BUSY);
  2403. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2404. for (i = 0; i < 50; i++) {
  2405. udelay(10);
  2406. val = REG_RD(bp, phy->mdio_ctrl +
  2407. EMAC_REG_EMAC_MDIO_COMM);
  2408. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2409. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2410. break;
  2411. }
  2412. }
  2413. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2414. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2415. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2416. *ret_val = 0;
  2417. rc = -EFAULT;
  2418. }
  2419. }
  2420. /* Work around for E3 A0 */
  2421. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2422. phy->flags ^= FLAGS_DUMMY_READ;
  2423. if (phy->flags & FLAGS_DUMMY_READ) {
  2424. u16 temp_val;
  2425. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2426. }
  2427. }
  2428. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2429. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2430. EMAC_MDIO_STATUS_10MB);
  2431. return rc;
  2432. }
  2433. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2434. u8 devad, u16 reg, u16 val)
  2435. {
  2436. u32 tmp;
  2437. u8 i;
  2438. int rc = 0;
  2439. u32 chip_id;
  2440. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2441. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2442. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2443. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2444. }
  2445. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2446. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2447. EMAC_MDIO_STATUS_10MB);
  2448. /* Address */
  2449. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2450. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2451. EMAC_MDIO_COMM_START_BUSY);
  2452. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2453. for (i = 0; i < 50; i++) {
  2454. udelay(10);
  2455. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2456. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2457. udelay(5);
  2458. break;
  2459. }
  2460. }
  2461. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2462. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2463. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2464. rc = -EFAULT;
  2465. } else {
  2466. /* Data */
  2467. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2468. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2469. EMAC_MDIO_COMM_START_BUSY);
  2470. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2471. for (i = 0; i < 50; i++) {
  2472. udelay(10);
  2473. tmp = REG_RD(bp, phy->mdio_ctrl +
  2474. EMAC_REG_EMAC_MDIO_COMM);
  2475. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2476. udelay(5);
  2477. break;
  2478. }
  2479. }
  2480. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2481. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2482. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2483. rc = -EFAULT;
  2484. }
  2485. }
  2486. /* Work around for E3 A0 */
  2487. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2488. phy->flags ^= FLAGS_DUMMY_READ;
  2489. if (phy->flags & FLAGS_DUMMY_READ) {
  2490. u16 temp_val;
  2491. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2492. }
  2493. }
  2494. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2495. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2496. EMAC_MDIO_STATUS_10MB);
  2497. return rc;
  2498. }
  2499. /******************************************************************/
  2500. /* EEE section */
  2501. /******************************************************************/
  2502. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2503. {
  2504. struct bnx2x *bp = params->bp;
  2505. if (REG_RD(bp, params->shmem2_base) <=
  2506. offsetof(struct shmem2_region, eee_status[params->port]))
  2507. return 0;
  2508. return 1;
  2509. }
  2510. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2511. {
  2512. switch (nvram_mode) {
  2513. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2514. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2515. break;
  2516. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2517. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2518. break;
  2519. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2520. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2521. break;
  2522. default:
  2523. *idle_timer = 0;
  2524. break;
  2525. }
  2526. return 0;
  2527. }
  2528. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2529. {
  2530. switch (idle_timer) {
  2531. case EEE_MODE_NVRAM_BALANCED_TIME:
  2532. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2533. break;
  2534. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2535. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2536. break;
  2537. case EEE_MODE_NVRAM_LATENCY_TIME:
  2538. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2539. break;
  2540. default:
  2541. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2542. break;
  2543. }
  2544. return 0;
  2545. }
  2546. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2547. {
  2548. u32 eee_mode, eee_idle;
  2549. struct bnx2x *bp = params->bp;
  2550. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2551. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2552. /* time value in eee_mode --> used directly*/
  2553. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2554. } else {
  2555. /* hsi value in eee_mode --> time */
  2556. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2557. EEE_MODE_NVRAM_MASK,
  2558. &eee_idle))
  2559. return 0;
  2560. }
  2561. } else {
  2562. /* hsi values in nvram --> time*/
  2563. eee_mode = ((REG_RD(bp, params->shmem_base +
  2564. offsetof(struct shmem_region, dev_info.
  2565. port_feature_config[params->port].
  2566. eee_power_mode)) &
  2567. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2568. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2569. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2570. return 0;
  2571. }
  2572. return eee_idle;
  2573. }
  2574. static int bnx2x_eee_set_timers(struct link_params *params,
  2575. struct link_vars *vars)
  2576. {
  2577. u32 eee_idle = 0, eee_mode;
  2578. struct bnx2x *bp = params->bp;
  2579. eee_idle = bnx2x_eee_calc_timer(params);
  2580. if (eee_idle) {
  2581. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2582. eee_idle);
  2583. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2584. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2585. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2586. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2587. return -EINVAL;
  2588. }
  2589. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2590. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2591. /* eee_idle in 1u --> eee_status in 16u */
  2592. eee_idle >>= 4;
  2593. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2594. SHMEM_EEE_TIME_OUTPUT_BIT;
  2595. } else {
  2596. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2597. return -EINVAL;
  2598. vars->eee_status |= eee_mode;
  2599. }
  2600. return 0;
  2601. }
  2602. static int bnx2x_eee_initial_config(struct link_params *params,
  2603. struct link_vars *vars, u8 mode)
  2604. {
  2605. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2606. /* Propogate params' bits --> vars (for migration exposure) */
  2607. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2608. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2609. else
  2610. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2611. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2612. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2613. else
  2614. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2615. return bnx2x_eee_set_timers(params, vars);
  2616. }
  2617. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2618. struct link_params *params,
  2619. struct link_vars *vars)
  2620. {
  2621. struct bnx2x *bp = params->bp;
  2622. /* Make Certain LPI is disabled */
  2623. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2624. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2625. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2626. return 0;
  2627. }
  2628. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2629. struct link_params *params,
  2630. struct link_vars *vars, u8 modes)
  2631. {
  2632. struct bnx2x *bp = params->bp;
  2633. u16 val = 0;
  2634. /* Mask events preventing LPI generation */
  2635. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2636. if (modes & SHMEM_EEE_10G_ADV) {
  2637. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2638. val |= 0x8;
  2639. }
  2640. if (modes & SHMEM_EEE_1G_ADV) {
  2641. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2642. val |= 0x4;
  2643. }
  2644. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2645. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2646. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2647. return 0;
  2648. }
  2649. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2650. {
  2651. struct bnx2x *bp = params->bp;
  2652. if (bnx2x_eee_has_cap(params))
  2653. REG_WR(bp, params->shmem2_base +
  2654. offsetof(struct shmem2_region,
  2655. eee_status[params->port]), eee_status);
  2656. }
  2657. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2658. struct link_params *params,
  2659. struct link_vars *vars)
  2660. {
  2661. struct bnx2x *bp = params->bp;
  2662. u16 adv = 0, lp = 0;
  2663. u32 lp_adv = 0;
  2664. u8 neg = 0;
  2665. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2666. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2667. if (lp & 0x2) {
  2668. lp_adv |= SHMEM_EEE_100M_ADV;
  2669. if (adv & 0x2) {
  2670. if (vars->line_speed == SPEED_100)
  2671. neg = 1;
  2672. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2673. }
  2674. }
  2675. if (lp & 0x14) {
  2676. lp_adv |= SHMEM_EEE_1G_ADV;
  2677. if (adv & 0x14) {
  2678. if (vars->line_speed == SPEED_1000)
  2679. neg = 1;
  2680. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2681. }
  2682. }
  2683. if (lp & 0x68) {
  2684. lp_adv |= SHMEM_EEE_10G_ADV;
  2685. if (adv & 0x68) {
  2686. if (vars->line_speed == SPEED_10000)
  2687. neg = 1;
  2688. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2689. }
  2690. }
  2691. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2692. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2693. if (neg) {
  2694. DP(NETIF_MSG_LINK, "EEE is active\n");
  2695. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2696. }
  2697. }
  2698. /******************************************************************/
  2699. /* BSC access functions from E3 */
  2700. /******************************************************************/
  2701. static void bnx2x_bsc_module_sel(struct link_params *params)
  2702. {
  2703. int idx;
  2704. u32 board_cfg, sfp_ctrl;
  2705. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2706. struct bnx2x *bp = params->bp;
  2707. u8 port = params->port;
  2708. /* Read I2C output PINs */
  2709. board_cfg = REG_RD(bp, params->shmem_base +
  2710. offsetof(struct shmem_region,
  2711. dev_info.shared_hw_config.board));
  2712. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2713. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2714. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2715. /* Read I2C output value */
  2716. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2717. offsetof(struct shmem_region,
  2718. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2719. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2720. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2721. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2722. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2723. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2724. }
  2725. static int bnx2x_bsc_read(struct link_params *params,
  2726. struct bnx2x_phy *phy,
  2727. u8 sl_devid,
  2728. u16 sl_addr,
  2729. u8 lc_addr,
  2730. u8 xfer_cnt,
  2731. u32 *data_array)
  2732. {
  2733. u32 val, i;
  2734. int rc = 0;
  2735. struct bnx2x *bp = params->bp;
  2736. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2737. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2738. return -EINVAL;
  2739. }
  2740. if (xfer_cnt > 16) {
  2741. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2742. xfer_cnt);
  2743. return -EINVAL;
  2744. }
  2745. bnx2x_bsc_module_sel(params);
  2746. xfer_cnt = 16 - lc_addr;
  2747. /* Enable the engine */
  2748. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2749. val |= MCPR_IMC_COMMAND_ENABLE;
  2750. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2751. /* Program slave device ID */
  2752. val = (sl_devid << 16) | sl_addr;
  2753. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2754. /* Start xfer with 0 byte to update the address pointer ???*/
  2755. val = (MCPR_IMC_COMMAND_ENABLE) |
  2756. (MCPR_IMC_COMMAND_WRITE_OP <<
  2757. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2758. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2759. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2760. /* Poll for completion */
  2761. i = 0;
  2762. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2763. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2764. udelay(10);
  2765. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2766. if (i++ > 1000) {
  2767. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2768. i);
  2769. rc = -EFAULT;
  2770. break;
  2771. }
  2772. }
  2773. if (rc == -EFAULT)
  2774. return rc;
  2775. /* Start xfer with read op */
  2776. val = (MCPR_IMC_COMMAND_ENABLE) |
  2777. (MCPR_IMC_COMMAND_READ_OP <<
  2778. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2779. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2780. (xfer_cnt);
  2781. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2782. /* Poll for completion */
  2783. i = 0;
  2784. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2785. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2786. udelay(10);
  2787. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2788. if (i++ > 1000) {
  2789. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2790. rc = -EFAULT;
  2791. break;
  2792. }
  2793. }
  2794. if (rc == -EFAULT)
  2795. return rc;
  2796. for (i = (lc_addr >> 2); i < 4; i++) {
  2797. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2798. #ifdef __BIG_ENDIAN
  2799. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2800. ((data_array[i] & 0x0000ff00) << 8) |
  2801. ((data_array[i] & 0x00ff0000) >> 8) |
  2802. ((data_array[i] & 0xff000000) >> 24);
  2803. #endif
  2804. }
  2805. return rc;
  2806. }
  2807. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2808. u8 devad, u16 reg, u16 or_val)
  2809. {
  2810. u16 val;
  2811. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2812. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2813. }
  2814. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2815. struct bnx2x_phy *phy,
  2816. u8 devad, u16 reg, u16 and_val)
  2817. {
  2818. u16 val;
  2819. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2820. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2821. }
  2822. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2823. u8 devad, u16 reg, u16 *ret_val)
  2824. {
  2825. u8 phy_index;
  2826. /* Probe for the phy according to the given phy_addr, and execute
  2827. * the read request on it
  2828. */
  2829. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2830. if (params->phy[phy_index].addr == phy_addr) {
  2831. return bnx2x_cl45_read(params->bp,
  2832. &params->phy[phy_index], devad,
  2833. reg, ret_val);
  2834. }
  2835. }
  2836. return -EINVAL;
  2837. }
  2838. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2839. u8 devad, u16 reg, u16 val)
  2840. {
  2841. u8 phy_index;
  2842. /* Probe for the phy according to the given phy_addr, and execute
  2843. * the write request on it
  2844. */
  2845. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2846. if (params->phy[phy_index].addr == phy_addr) {
  2847. return bnx2x_cl45_write(params->bp,
  2848. &params->phy[phy_index], devad,
  2849. reg, val);
  2850. }
  2851. }
  2852. return -EINVAL;
  2853. }
  2854. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2855. struct link_params *params)
  2856. {
  2857. u8 lane = 0;
  2858. struct bnx2x *bp = params->bp;
  2859. u32 path_swap, path_swap_ovr;
  2860. u8 path, port;
  2861. path = BP_PATH(bp);
  2862. port = params->port;
  2863. if (bnx2x_is_4_port_mode(bp)) {
  2864. u32 port_swap, port_swap_ovr;
  2865. /* Figure out path swap value */
  2866. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2867. if (path_swap_ovr & 0x1)
  2868. path_swap = (path_swap_ovr & 0x2);
  2869. else
  2870. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2871. if (path_swap)
  2872. path = path ^ 1;
  2873. /* Figure out port swap value */
  2874. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2875. if (port_swap_ovr & 0x1)
  2876. port_swap = (port_swap_ovr & 0x2);
  2877. else
  2878. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2879. if (port_swap)
  2880. port = port ^ 1;
  2881. lane = (port<<1) + path;
  2882. } else { /* Two port mode - no port swap */
  2883. /* Figure out path swap value */
  2884. path_swap_ovr =
  2885. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2886. if (path_swap_ovr & 0x1) {
  2887. path_swap = (path_swap_ovr & 0x2);
  2888. } else {
  2889. path_swap =
  2890. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2891. }
  2892. if (path_swap)
  2893. path = path ^ 1;
  2894. lane = path << 1 ;
  2895. }
  2896. return lane;
  2897. }
  2898. static void bnx2x_set_aer_mmd(struct link_params *params,
  2899. struct bnx2x_phy *phy)
  2900. {
  2901. u32 ser_lane;
  2902. u16 offset, aer_val;
  2903. struct bnx2x *bp = params->bp;
  2904. ser_lane = ((params->lane_config &
  2905. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2906. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2907. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2908. (phy->addr + ser_lane) : 0;
  2909. if (USES_WARPCORE(bp)) {
  2910. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2911. /* In Dual-lane mode, two lanes are joined together,
  2912. * so in order to configure them, the AER broadcast method is
  2913. * used here.
  2914. * 0x200 is the broadcast address for lanes 0,1
  2915. * 0x201 is the broadcast address for lanes 2,3
  2916. */
  2917. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2918. aer_val = (aer_val >> 1) | 0x200;
  2919. } else if (CHIP_IS_E2(bp))
  2920. aer_val = 0x3800 + offset - 1;
  2921. else
  2922. aer_val = 0x3800 + offset;
  2923. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2924. MDIO_AER_BLOCK_AER_REG, aer_val);
  2925. }
  2926. /******************************************************************/
  2927. /* Internal phy section */
  2928. /******************************************************************/
  2929. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2930. {
  2931. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2932. /* Set Clause 22 */
  2933. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2934. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2935. udelay(500);
  2936. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2937. udelay(500);
  2938. /* Set Clause 45 */
  2939. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2940. }
  2941. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2942. {
  2943. u32 val;
  2944. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2945. val = SERDES_RESET_BITS << (port*16);
  2946. /* Reset and unreset the SerDes/XGXS */
  2947. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2948. udelay(500);
  2949. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2950. bnx2x_set_serdes_access(bp, port);
  2951. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2952. DEFAULT_PHY_DEV_ADDR);
  2953. }
  2954. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2955. struct link_params *params,
  2956. u32 action)
  2957. {
  2958. struct bnx2x *bp = params->bp;
  2959. switch (action) {
  2960. case PHY_INIT:
  2961. /* Set correct devad */
  2962. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2963. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2964. phy->def_md_devad);
  2965. break;
  2966. }
  2967. }
  2968. static void bnx2x_xgxs_deassert(struct link_params *params)
  2969. {
  2970. struct bnx2x *bp = params->bp;
  2971. u8 port;
  2972. u32 val;
  2973. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2974. port = params->port;
  2975. val = XGXS_RESET_BITS << (port*16);
  2976. /* Reset and unreset the SerDes/XGXS */
  2977. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2978. udelay(500);
  2979. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2980. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2981. PHY_INIT);
  2982. }
  2983. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2984. struct link_params *params, u16 *ieee_fc)
  2985. {
  2986. struct bnx2x *bp = params->bp;
  2987. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2988. /* Resolve pause mode and advertisement Please refer to Table
  2989. * 28B-3 of the 802.3ab-1999 spec
  2990. */
  2991. switch (phy->req_flow_ctrl) {
  2992. case BNX2X_FLOW_CTRL_AUTO:
  2993. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2994. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2995. else
  2996. *ieee_fc |=
  2997. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2998. break;
  2999. case BNX2X_FLOW_CTRL_TX:
  3000. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3001. break;
  3002. case BNX2X_FLOW_CTRL_RX:
  3003. case BNX2X_FLOW_CTRL_BOTH:
  3004. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3005. break;
  3006. case BNX2X_FLOW_CTRL_NONE:
  3007. default:
  3008. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3009. break;
  3010. }
  3011. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3012. }
  3013. static void set_phy_vars(struct link_params *params,
  3014. struct link_vars *vars)
  3015. {
  3016. struct bnx2x *bp = params->bp;
  3017. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3018. u8 phy_config_swapped = params->multi_phy_config &
  3019. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3020. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3021. phy_index++) {
  3022. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3023. actual_phy_idx = phy_index;
  3024. if (phy_config_swapped) {
  3025. if (phy_index == EXT_PHY1)
  3026. actual_phy_idx = EXT_PHY2;
  3027. else if (phy_index == EXT_PHY2)
  3028. actual_phy_idx = EXT_PHY1;
  3029. }
  3030. params->phy[actual_phy_idx].req_flow_ctrl =
  3031. params->req_flow_ctrl[link_cfg_idx];
  3032. params->phy[actual_phy_idx].req_line_speed =
  3033. params->req_line_speed[link_cfg_idx];
  3034. params->phy[actual_phy_idx].speed_cap_mask =
  3035. params->speed_cap_mask[link_cfg_idx];
  3036. params->phy[actual_phy_idx].req_duplex =
  3037. params->req_duplex[link_cfg_idx];
  3038. if (params->req_line_speed[link_cfg_idx] ==
  3039. SPEED_AUTO_NEG)
  3040. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3041. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3042. " speed_cap_mask %x\n",
  3043. params->phy[actual_phy_idx].req_flow_ctrl,
  3044. params->phy[actual_phy_idx].req_line_speed,
  3045. params->phy[actual_phy_idx].speed_cap_mask);
  3046. }
  3047. }
  3048. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3049. struct bnx2x_phy *phy,
  3050. struct link_vars *vars)
  3051. {
  3052. u16 val;
  3053. struct bnx2x *bp = params->bp;
  3054. /* Read modify write pause advertizing */
  3055. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3056. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3057. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3058. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3059. if ((vars->ieee_fc &
  3060. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3061. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3062. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3063. }
  3064. if ((vars->ieee_fc &
  3065. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3066. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3067. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3068. }
  3069. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3070. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3071. }
  3072. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3073. { /* LD LP */
  3074. switch (pause_result) { /* ASYM P ASYM P */
  3075. case 0xb: /* 1 0 1 1 */
  3076. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3077. break;
  3078. case 0xe: /* 1 1 1 0 */
  3079. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3080. break;
  3081. case 0x5: /* 0 1 0 1 */
  3082. case 0x7: /* 0 1 1 1 */
  3083. case 0xd: /* 1 1 0 1 */
  3084. case 0xf: /* 1 1 1 1 */
  3085. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3086. break;
  3087. default:
  3088. break;
  3089. }
  3090. if (pause_result & (1<<0))
  3091. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3092. if (pause_result & (1<<1))
  3093. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3094. }
  3095. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3096. struct link_params *params,
  3097. struct link_vars *vars)
  3098. {
  3099. u16 ld_pause; /* local */
  3100. u16 lp_pause; /* link partner */
  3101. u16 pause_result;
  3102. struct bnx2x *bp = params->bp;
  3103. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3104. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3105. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3106. } else if (CHIP_IS_E3(bp) &&
  3107. SINGLE_MEDIA_DIRECT(params)) {
  3108. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3109. u16 gp_status, gp_mask;
  3110. bnx2x_cl45_read(bp, phy,
  3111. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3112. &gp_status);
  3113. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3114. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3115. lane;
  3116. if ((gp_status & gp_mask) == gp_mask) {
  3117. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3118. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3119. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3120. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3121. } else {
  3122. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3123. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3124. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3125. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3126. ld_pause = ((ld_pause &
  3127. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3128. << 3);
  3129. lp_pause = ((lp_pause &
  3130. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3131. << 3);
  3132. }
  3133. } else {
  3134. bnx2x_cl45_read(bp, phy,
  3135. MDIO_AN_DEVAD,
  3136. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3137. bnx2x_cl45_read(bp, phy,
  3138. MDIO_AN_DEVAD,
  3139. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3140. }
  3141. pause_result = (ld_pause &
  3142. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3143. pause_result |= (lp_pause &
  3144. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3145. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3146. bnx2x_pause_resolve(vars, pause_result);
  3147. }
  3148. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3149. struct link_params *params,
  3150. struct link_vars *vars)
  3151. {
  3152. u8 ret = 0;
  3153. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3154. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3155. /* Update the advertised flow-controled of LD/LP in AN */
  3156. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3157. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3158. /* But set the flow-control result as the requested one */
  3159. vars->flow_ctrl = phy->req_flow_ctrl;
  3160. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3161. vars->flow_ctrl = params->req_fc_auto_adv;
  3162. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3163. ret = 1;
  3164. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3165. }
  3166. return ret;
  3167. }
  3168. /******************************************************************/
  3169. /* Warpcore section */
  3170. /******************************************************************/
  3171. /* The init_internal_warpcore should mirror the xgxs,
  3172. * i.e. reset the lane (if needed), set aer for the
  3173. * init configuration, and set/clear SGMII flag. Internal
  3174. * phy init is done purely in phy_init stage.
  3175. */
  3176. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3177. struct link_params *params,
  3178. struct link_vars *vars)
  3179. {
  3180. struct bnx2x *bp = params->bp;
  3181. u16 i;
  3182. static struct bnx2x_reg_set reg_set[] = {
  3183. /* Step 1 - Program the TX/RX alignment markers */
  3184. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3185. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3186. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3187. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3188. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3189. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3190. /* Step 2 - Configure the NP registers */
  3191. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3192. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3193. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3194. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3195. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3196. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3197. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3198. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3199. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3200. };
  3201. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3202. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3203. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3204. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3205. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3206. reg_set[i].val);
  3207. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3208. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3209. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3210. }
  3211. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3212. struct link_params *params)
  3213. {
  3214. struct bnx2x *bp = params->bp;
  3215. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3216. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3217. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3218. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3220. }
  3221. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3222. struct link_params *params)
  3223. {
  3224. /* Restart autoneg on the leading lane only */
  3225. struct bnx2x *bp = params->bp;
  3226. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3227. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3228. MDIO_AER_BLOCK_AER_REG, lane);
  3229. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3230. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3231. /* Restore AER */
  3232. bnx2x_set_aer_mmd(params, phy);
  3233. }
  3234. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3235. struct link_params *params,
  3236. struct link_vars *vars) {
  3237. u16 lane, i, cl72_ctrl, an_adv = 0;
  3238. u16 ucode_ver;
  3239. struct bnx2x *bp = params->bp;
  3240. static struct bnx2x_reg_set reg_set[] = {
  3241. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3242. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3243. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3244. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3245. /* Disable Autoneg: re-enable it after adv is done. */
  3246. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3247. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3248. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3249. };
  3250. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3251. /* Set to default registers that may be overriden by 10G force */
  3252. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3253. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3254. reg_set[i].val);
  3255. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3256. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3257. cl72_ctrl &= 0x08ff;
  3258. cl72_ctrl |= 0x3800;
  3259. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3260. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3261. /* Check adding advertisement for 1G KX */
  3262. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3263. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3264. (vars->line_speed == SPEED_1000)) {
  3265. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3266. an_adv |= (1<<5);
  3267. /* Enable CL37 1G Parallel Detect */
  3268. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3269. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3270. }
  3271. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3272. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3273. (vars->line_speed == SPEED_10000)) {
  3274. /* Check adding advertisement for 10G KR */
  3275. an_adv |= (1<<7);
  3276. /* Enable 10G Parallel Detect */
  3277. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3278. MDIO_AER_BLOCK_AER_REG, 0);
  3279. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3280. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3281. bnx2x_set_aer_mmd(params, phy);
  3282. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3283. }
  3284. /* Set Transmit PMD settings */
  3285. lane = bnx2x_get_warpcore_lane(phy, params);
  3286. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3287. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3288. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3289. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3290. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3291. /* Configure the next lane if dual mode */
  3292. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3293. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3294. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3295. ((0x02 <<
  3296. MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3297. (0x06 <<
  3298. MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3299. (0x09 <<
  3300. MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3301. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3302. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3303. 0x03f0);
  3304. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3305. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3306. 0x03f0);
  3307. /* Advertised speeds */
  3308. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3309. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3310. /* Advertised and set FEC (Forward Error Correction) */
  3311. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3312. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3313. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3314. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3315. /* Enable CL37 BAM */
  3316. if (REG_RD(bp, params->shmem_base +
  3317. offsetof(struct shmem_region, dev_info.
  3318. port_hw_config[params->port].default_cfg)) &
  3319. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3320. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3321. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3322. 1);
  3323. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3324. }
  3325. /* Advertise pause */
  3326. bnx2x_ext_phy_set_pause(params, phy, vars);
  3327. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3328. */
  3329. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3331. if (ucode_ver < 0xd108) {
  3332. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3333. ucode_ver);
  3334. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3335. }
  3336. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3338. /* Over 1G - AN local device user page 1 */
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3341. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3342. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3343. (phy->req_line_speed == SPEED_20000)) {
  3344. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3345. MDIO_AER_BLOCK_AER_REG, lane);
  3346. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3348. (1<<11));
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3351. bnx2x_set_aer_mmd(params, phy);
  3352. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3353. }
  3354. /* Enable Autoneg: only on the main lane */
  3355. bnx2x_warpcore_restart_AN_KR(phy, params);
  3356. }
  3357. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3358. struct link_params *params,
  3359. struct link_vars *vars)
  3360. {
  3361. struct bnx2x *bp = params->bp;
  3362. u16 val16, i, lane;
  3363. static struct bnx2x_reg_set reg_set[] = {
  3364. /* Disable Autoneg */
  3365. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3366. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3367. 0x3f00},
  3368. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3369. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3370. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3371. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3372. /* Leave cl72 training enable, needed for KR */
  3373. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3374. };
  3375. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3376. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3377. reg_set[i].val);
  3378. lane = bnx2x_get_warpcore_lane(phy, params);
  3379. /* Global registers */
  3380. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3381. MDIO_AER_BLOCK_AER_REG, 0);
  3382. /* Disable CL36 PCS Tx */
  3383. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3385. val16 &= ~(0x0011 << lane);
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3388. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3390. val16 |= (0x0303 << (lane << 1));
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3393. /* Restore AER */
  3394. bnx2x_set_aer_mmd(params, phy);
  3395. /* Set speed via PMA/PMD register */
  3396. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3397. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3398. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3399. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3400. /* Enable encoded forced speed */
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3403. /* Turn TX scramble payload only the 64/66 scrambler */
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3406. /* Turn RX scramble payload only the 64/66 scrambler */
  3407. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3409. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3414. }
  3415. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3416. struct link_params *params,
  3417. u8 is_xfi)
  3418. {
  3419. struct bnx2x *bp = params->bp;
  3420. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3421. /* Hold rxSeqStart */
  3422. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3424. /* Hold tx_fifo_reset */
  3425. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3427. /* Disable CL73 AN */
  3428. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3429. /* Disable 100FX Enable and Auto-Detect */
  3430. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3432. /* Disable 100FX Idle detect */
  3433. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3434. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3435. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3436. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3437. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3438. /* Turn off auto-detect & fiber mode */
  3439. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3440. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3441. 0xFFEE);
  3442. /* Set filter_force_link, disable_false_link and parallel_detect */
  3443. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3444. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3445. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3447. ((val | 0x0006) & 0xFFFE));
  3448. /* Set XFI / SFI */
  3449. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3450. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3451. misc1_val &= ~(0x1f);
  3452. if (is_xfi) {
  3453. misc1_val |= 0x5;
  3454. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3455. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3456. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3457. tx_driver_val =
  3458. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3459. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3460. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3461. } else {
  3462. misc1_val |= 0x9;
  3463. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3464. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3465. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3466. tx_driver_val =
  3467. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3468. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3469. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3470. }
  3471. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3473. /* Set Transmit PMD settings */
  3474. lane = bnx2x_get_warpcore_lane(phy, params);
  3475. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3476. MDIO_WC_REG_TX_FIR_TAP,
  3477. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3478. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3479. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3480. tx_driver_val);
  3481. /* Enable fiber mode, enable and invert sig_det */
  3482. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3484. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3485. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3486. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3487. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3488. /* 10G XFI Full Duplex */
  3489. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3491. /* Release tx_fifo_reset */
  3492. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3493. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3494. 0xFFFE);
  3495. /* Release rxSeqStart */
  3496. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3497. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3498. }
  3499. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3500. struct link_params *params)
  3501. {
  3502. u16 val;
  3503. struct bnx2x *bp = params->bp;
  3504. /* Set global registers, so set AER lane to 0 */
  3505. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3506. MDIO_AER_BLOCK_AER_REG, 0);
  3507. /* Disable sequencer */
  3508. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3510. bnx2x_set_aer_mmd(params, phy);
  3511. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3512. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3513. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3514. MDIO_AN_REG_CTRL, 0);
  3515. /* Turn off CL73 */
  3516. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3517. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3518. val &= ~(1<<5);
  3519. val |= (1<<6);
  3520. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3522. /* Set 20G KR2 force speed */
  3523. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3524. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3525. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3527. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3528. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3529. val &= ~(3<<14);
  3530. val |= (1<<15);
  3531. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3533. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3535. /* Enable sequencer (over lane 0) */
  3536. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3537. MDIO_AER_BLOCK_AER_REG, 0);
  3538. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3540. bnx2x_set_aer_mmd(params, phy);
  3541. }
  3542. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3543. struct bnx2x_phy *phy,
  3544. u16 lane)
  3545. {
  3546. /* Rx0 anaRxControl1G */
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3549. /* Rx2 anaRxControl1G */
  3550. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3551. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3552. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3553. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3554. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3555. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3556. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3557. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3558. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3559. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3560. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3561. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3562. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3563. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3566. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3567. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3568. /* Serdes Digital Misc1 */
  3569. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3570. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3571. /* Serdes Digital4 Misc3 */
  3572. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3573. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3574. /* Set Transmit PMD settings */
  3575. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3576. MDIO_WC_REG_TX_FIR_TAP,
  3577. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3578. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3579. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3580. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3581. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3582. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3583. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3584. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3585. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3586. }
  3587. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3588. struct link_params *params,
  3589. u8 fiber_mode,
  3590. u8 always_autoneg)
  3591. {
  3592. struct bnx2x *bp = params->bp;
  3593. u16 val16, digctrl_kx1, digctrl_kx2;
  3594. /* Clear XFI clock comp in non-10G single lane mode. */
  3595. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3597. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3598. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3599. /* SGMII Autoneg */
  3600. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3601. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3602. 0x1000);
  3603. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3604. } else {
  3605. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3606. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3607. val16 &= 0xcebf;
  3608. switch (phy->req_line_speed) {
  3609. case SPEED_10:
  3610. break;
  3611. case SPEED_100:
  3612. val16 |= 0x2000;
  3613. break;
  3614. case SPEED_1000:
  3615. val16 |= 0x0040;
  3616. break;
  3617. default:
  3618. DP(NETIF_MSG_LINK,
  3619. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3620. return;
  3621. }
  3622. if (phy->req_duplex == DUPLEX_FULL)
  3623. val16 |= 0x0100;
  3624. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3625. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3626. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3627. phy->req_line_speed);
  3628. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3629. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3630. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3631. }
  3632. /* SGMII Slave mode and disable signal detect */
  3633. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3634. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3635. if (fiber_mode)
  3636. digctrl_kx1 = 1;
  3637. else
  3638. digctrl_kx1 &= 0xff4a;
  3639. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3640. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3641. digctrl_kx1);
  3642. /* Turn off parallel detect */
  3643. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3644. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3645. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3647. (digctrl_kx2 & ~(1<<2)));
  3648. /* Re-enable parallel detect */
  3649. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3650. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3651. (digctrl_kx2 | (1<<2)));
  3652. /* Enable autodet */
  3653. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3654. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3655. (digctrl_kx1 | 0x10));
  3656. }
  3657. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3658. struct bnx2x_phy *phy,
  3659. u8 reset)
  3660. {
  3661. u16 val;
  3662. /* Take lane out of reset after configuration is finished */
  3663. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3664. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3665. if (reset)
  3666. val |= 0xC000;
  3667. else
  3668. val &= 0x3FFF;
  3669. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3670. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3671. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3672. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3673. }
  3674. /* Clear SFI/XFI link settings registers */
  3675. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3676. struct link_params *params,
  3677. u16 lane)
  3678. {
  3679. struct bnx2x *bp = params->bp;
  3680. u16 i;
  3681. static struct bnx2x_reg_set wc_regs[] = {
  3682. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3683. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3684. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3685. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3686. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3687. 0x0195},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3689. 0x0007},
  3690. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3691. 0x0002},
  3692. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3693. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3694. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3695. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3696. };
  3697. /* Set XFI clock comp as default. */
  3698. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3699. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3700. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3701. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3702. wc_regs[i].val);
  3703. lane = bnx2x_get_warpcore_lane(phy, params);
  3704. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3705. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3706. }
  3707. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3708. u32 chip_id,
  3709. u32 shmem_base, u8 port,
  3710. u8 *gpio_num, u8 *gpio_port)
  3711. {
  3712. u32 cfg_pin;
  3713. *gpio_num = 0;
  3714. *gpio_port = 0;
  3715. if (CHIP_IS_E3(bp)) {
  3716. cfg_pin = (REG_RD(bp, shmem_base +
  3717. offsetof(struct shmem_region,
  3718. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3719. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3720. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3721. /* Should not happen. This function called upon interrupt
  3722. * triggered by GPIO ( since EPIO can only generate interrupts
  3723. * to MCP).
  3724. * So if this function was called and none of the GPIOs was set,
  3725. * it means the shit hit the fan.
  3726. */
  3727. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3728. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3729. DP(NETIF_MSG_LINK,
  3730. "No cfg pin %x for module detect indication\n",
  3731. cfg_pin);
  3732. return -EINVAL;
  3733. }
  3734. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3735. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3736. } else {
  3737. *gpio_num = MISC_REGISTERS_GPIO_3;
  3738. *gpio_port = port;
  3739. }
  3740. return 0;
  3741. }
  3742. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3743. struct link_params *params)
  3744. {
  3745. struct bnx2x *bp = params->bp;
  3746. u8 gpio_num, gpio_port;
  3747. u32 gpio_val;
  3748. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3749. params->shmem_base, params->port,
  3750. &gpio_num, &gpio_port) != 0)
  3751. return 0;
  3752. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3753. /* Call the handling function in case module is detected */
  3754. if (gpio_val == 0)
  3755. return 1;
  3756. else
  3757. return 0;
  3758. }
  3759. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3760. struct link_params *params)
  3761. {
  3762. u16 gp2_status_reg0, lane;
  3763. struct bnx2x *bp = params->bp;
  3764. lane = bnx2x_get_warpcore_lane(phy, params);
  3765. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3766. &gp2_status_reg0);
  3767. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3768. }
  3769. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3770. struct link_params *params,
  3771. struct link_vars *vars)
  3772. {
  3773. struct bnx2x *bp = params->bp;
  3774. u32 serdes_net_if;
  3775. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3776. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3777. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3778. if (!vars->turn_to_run_wc_rt)
  3779. return;
  3780. /* Return if there is no link partner */
  3781. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3782. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3783. return;
  3784. }
  3785. if (vars->rx_tx_asic_rst) {
  3786. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3787. offsetof(struct shmem_region, dev_info.
  3788. port_hw_config[params->port].default_cfg)) &
  3789. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3790. switch (serdes_net_if) {
  3791. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3792. /* Do we get link yet? */
  3793. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3794. &gp_status1);
  3795. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3796. /*10G KR*/
  3797. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3798. DP(NETIF_MSG_LINK,
  3799. "gp_status1 0x%x\n", gp_status1);
  3800. if (lnkup_kr || lnkup) {
  3801. vars->rx_tx_asic_rst = 0;
  3802. DP(NETIF_MSG_LINK,
  3803. "link up, rx_tx_asic_rst 0x%x\n",
  3804. vars->rx_tx_asic_rst);
  3805. } else {
  3806. /* Reset the lane to see if link comes up.*/
  3807. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3808. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3809. /* Restart Autoneg */
  3810. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3811. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3812. vars->rx_tx_asic_rst--;
  3813. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3814. vars->rx_tx_asic_rst);
  3815. }
  3816. break;
  3817. default:
  3818. break;
  3819. }
  3820. } /*params->rx_tx_asic_rst*/
  3821. }
  3822. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3823. struct link_params *params)
  3824. {
  3825. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3826. struct bnx2x *bp = params->bp;
  3827. bnx2x_warpcore_clear_regs(phy, params, lane);
  3828. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3829. SPEED_10000) &&
  3830. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3831. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3832. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3833. } else {
  3834. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3835. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3836. }
  3837. }
  3838. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3839. struct bnx2x_phy *phy,
  3840. u8 tx_en)
  3841. {
  3842. struct bnx2x *bp = params->bp;
  3843. u32 cfg_pin;
  3844. u8 port = params->port;
  3845. cfg_pin = REG_RD(bp, params->shmem_base +
  3846. offsetof(struct shmem_region,
  3847. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3848. PORT_HW_CFG_E3_TX_LASER_MASK;
  3849. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3850. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3851. /* For 20G, the expected pin to be used is 3 pins after the current */
  3852. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3853. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3854. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3855. }
  3856. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3857. struct link_params *params,
  3858. struct link_vars *vars)
  3859. {
  3860. struct bnx2x *bp = params->bp;
  3861. u32 serdes_net_if;
  3862. u8 fiber_mode;
  3863. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3864. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3865. offsetof(struct shmem_region, dev_info.
  3866. port_hw_config[params->port].default_cfg)) &
  3867. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3868. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3869. "serdes_net_if = 0x%x\n",
  3870. vars->line_speed, serdes_net_if);
  3871. bnx2x_set_aer_mmd(params, phy);
  3872. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3873. vars->phy_flags |= PHY_XGXS_FLAG;
  3874. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3875. (phy->req_line_speed &&
  3876. ((phy->req_line_speed == SPEED_100) ||
  3877. (phy->req_line_speed == SPEED_10)))) {
  3878. vars->phy_flags |= PHY_SGMII_FLAG;
  3879. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3880. bnx2x_warpcore_clear_regs(phy, params, lane);
  3881. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3882. } else {
  3883. switch (serdes_net_if) {
  3884. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3885. /* Enable KR Auto Neg */
  3886. if (params->loopback_mode != LOOPBACK_EXT)
  3887. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3888. else {
  3889. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3890. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3891. }
  3892. break;
  3893. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3894. bnx2x_warpcore_clear_regs(phy, params, lane);
  3895. if (vars->line_speed == SPEED_10000) {
  3896. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3897. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3898. } else {
  3899. if (SINGLE_MEDIA_DIRECT(params)) {
  3900. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3901. fiber_mode = 1;
  3902. } else {
  3903. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3904. fiber_mode = 0;
  3905. }
  3906. bnx2x_warpcore_set_sgmii_speed(phy,
  3907. params,
  3908. fiber_mode,
  3909. 0);
  3910. }
  3911. break;
  3912. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3913. /* Issue Module detection if module is plugged, or
  3914. * enabled transmitter to avoid current leakage in case
  3915. * no module is connected
  3916. */
  3917. if (bnx2x_is_sfp_module_plugged(phy, params))
  3918. bnx2x_sfp_module_detection(phy, params);
  3919. else
  3920. bnx2x_sfp_e3_set_transmitter(params, phy, 1);
  3921. bnx2x_warpcore_config_sfi(phy, params);
  3922. break;
  3923. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3924. if (vars->line_speed != SPEED_20000) {
  3925. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3926. return;
  3927. }
  3928. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3929. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3930. /* Issue Module detection */
  3931. bnx2x_sfp_module_detection(phy, params);
  3932. break;
  3933. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3934. if (!params->loopback_mode) {
  3935. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3936. } else {
  3937. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3938. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3939. }
  3940. break;
  3941. default:
  3942. DP(NETIF_MSG_LINK,
  3943. "Unsupported Serdes Net Interface 0x%x\n",
  3944. serdes_net_if);
  3945. return;
  3946. }
  3947. }
  3948. /* Take lane out of reset after configuration is finished */
  3949. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3950. DP(NETIF_MSG_LINK, "Exit config init\n");
  3951. }
  3952. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3953. struct link_params *params)
  3954. {
  3955. struct bnx2x *bp = params->bp;
  3956. u16 val16, lane;
  3957. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3958. bnx2x_set_mdio_emac_per_phy(bp, params);
  3959. bnx2x_set_aer_mmd(params, phy);
  3960. /* Global register */
  3961. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3962. /* Clear loopback settings (if any) */
  3963. /* 10G & 20G */
  3964. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3965. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3966. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3967. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3968. /* Update those 1-copy registers */
  3969. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3970. MDIO_AER_BLOCK_AER_REG, 0);
  3971. /* Enable 1G MDIO (1-copy) */
  3972. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3973. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3974. ~0x10);
  3975. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3976. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3977. lane = bnx2x_get_warpcore_lane(phy, params);
  3978. /* Disable CL36 PCS Tx */
  3979. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3981. val16 |= (0x11 << lane);
  3982. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3983. val16 |= (0x22 << lane);
  3984. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3985. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3986. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3987. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3988. val16 &= ~(0x0303 << (lane << 1));
  3989. val16 |= (0x0101 << (lane << 1));
  3990. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3991. val16 &= ~(0x0c0c << (lane << 1));
  3992. val16 |= (0x0404 << (lane << 1));
  3993. }
  3994. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3995. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3996. /* Restore AER */
  3997. bnx2x_set_aer_mmd(params, phy);
  3998. }
  3999. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  4000. struct link_params *params)
  4001. {
  4002. struct bnx2x *bp = params->bp;
  4003. u16 val16;
  4004. u32 lane;
  4005. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4006. params->loopback_mode, phy->req_line_speed);
  4007. if (phy->req_line_speed < SPEED_10000 ||
  4008. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4009. /* 10/100/1000/20G-KR2 */
  4010. /* Update those 1-copy registers */
  4011. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4012. MDIO_AER_BLOCK_AER_REG, 0);
  4013. /* Enable 1G MDIO (1-copy) */
  4014. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4015. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4016. 0x10);
  4017. /* Set 1G loopback based on lane (1-copy) */
  4018. lane = bnx2x_get_warpcore_lane(phy, params);
  4019. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4020. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4021. val16 |= (1<<lane);
  4022. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4023. val16 |= (2<<lane);
  4024. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4025. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4026. val16);
  4027. /* Switch back to 4-copy registers */
  4028. bnx2x_set_aer_mmd(params, phy);
  4029. } else {
  4030. /* 10G / 20G-DXGXS */
  4031. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4032. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4033. 0x4000);
  4034. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4035. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4036. }
  4037. }
  4038. static void bnx2x_sync_link(struct link_params *params,
  4039. struct link_vars *vars)
  4040. {
  4041. struct bnx2x *bp = params->bp;
  4042. u8 link_10g_plus;
  4043. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4044. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4045. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4046. if (vars->link_up) {
  4047. DP(NETIF_MSG_LINK, "phy link up\n");
  4048. vars->phy_link_up = 1;
  4049. vars->duplex = DUPLEX_FULL;
  4050. switch (vars->link_status &
  4051. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4052. case LINK_10THD:
  4053. vars->duplex = DUPLEX_HALF;
  4054. /* Fall thru */
  4055. case LINK_10TFD:
  4056. vars->line_speed = SPEED_10;
  4057. break;
  4058. case LINK_100TXHD:
  4059. vars->duplex = DUPLEX_HALF;
  4060. /* Fall thru */
  4061. case LINK_100T4:
  4062. case LINK_100TXFD:
  4063. vars->line_speed = SPEED_100;
  4064. break;
  4065. case LINK_1000THD:
  4066. vars->duplex = DUPLEX_HALF;
  4067. /* Fall thru */
  4068. case LINK_1000TFD:
  4069. vars->line_speed = SPEED_1000;
  4070. break;
  4071. case LINK_2500THD:
  4072. vars->duplex = DUPLEX_HALF;
  4073. /* Fall thru */
  4074. case LINK_2500TFD:
  4075. vars->line_speed = SPEED_2500;
  4076. break;
  4077. case LINK_10GTFD:
  4078. vars->line_speed = SPEED_10000;
  4079. break;
  4080. case LINK_20GTFD:
  4081. vars->line_speed = SPEED_20000;
  4082. break;
  4083. default:
  4084. break;
  4085. }
  4086. vars->flow_ctrl = 0;
  4087. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4088. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4089. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4090. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4091. if (!vars->flow_ctrl)
  4092. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4093. if (vars->line_speed &&
  4094. ((vars->line_speed == SPEED_10) ||
  4095. (vars->line_speed == SPEED_100))) {
  4096. vars->phy_flags |= PHY_SGMII_FLAG;
  4097. } else {
  4098. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4099. }
  4100. if (vars->line_speed &&
  4101. USES_WARPCORE(bp) &&
  4102. (vars->line_speed == SPEED_1000))
  4103. vars->phy_flags |= PHY_SGMII_FLAG;
  4104. /* Anything 10 and over uses the bmac */
  4105. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4106. if (link_10g_plus) {
  4107. if (USES_WARPCORE(bp))
  4108. vars->mac_type = MAC_TYPE_XMAC;
  4109. else
  4110. vars->mac_type = MAC_TYPE_BMAC;
  4111. } else {
  4112. if (USES_WARPCORE(bp))
  4113. vars->mac_type = MAC_TYPE_UMAC;
  4114. else
  4115. vars->mac_type = MAC_TYPE_EMAC;
  4116. }
  4117. } else { /* Link down */
  4118. DP(NETIF_MSG_LINK, "phy link down\n");
  4119. vars->phy_link_up = 0;
  4120. vars->line_speed = 0;
  4121. vars->duplex = DUPLEX_FULL;
  4122. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4123. /* Indicate no mac active */
  4124. vars->mac_type = MAC_TYPE_NONE;
  4125. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4126. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4127. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4128. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4129. }
  4130. }
  4131. void bnx2x_link_status_update(struct link_params *params,
  4132. struct link_vars *vars)
  4133. {
  4134. struct bnx2x *bp = params->bp;
  4135. u8 port = params->port;
  4136. u32 sync_offset, media_types;
  4137. /* Update PHY configuration */
  4138. set_phy_vars(params, vars);
  4139. vars->link_status = REG_RD(bp, params->shmem_base +
  4140. offsetof(struct shmem_region,
  4141. port_mb[port].link_status));
  4142. if (bnx2x_eee_has_cap(params))
  4143. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4144. offsetof(struct shmem2_region,
  4145. eee_status[params->port]));
  4146. vars->phy_flags = PHY_XGXS_FLAG;
  4147. bnx2x_sync_link(params, vars);
  4148. /* Sync media type */
  4149. sync_offset = params->shmem_base +
  4150. offsetof(struct shmem_region,
  4151. dev_info.port_hw_config[port].media_type);
  4152. media_types = REG_RD(bp, sync_offset);
  4153. params->phy[INT_PHY].media_type =
  4154. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4155. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4156. params->phy[EXT_PHY1].media_type =
  4157. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4158. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4159. params->phy[EXT_PHY2].media_type =
  4160. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4161. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4162. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4163. /* Sync AEU offset */
  4164. sync_offset = params->shmem_base +
  4165. offsetof(struct shmem_region,
  4166. dev_info.port_hw_config[port].aeu_int_mask);
  4167. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4168. /* Sync PFC status */
  4169. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4170. params->feature_config_flags |=
  4171. FEATURE_CONFIG_PFC_ENABLED;
  4172. else
  4173. params->feature_config_flags &=
  4174. ~FEATURE_CONFIG_PFC_ENABLED;
  4175. if (SHMEM2_HAS(bp, link_attr_sync))
  4176. vars->link_attr_sync = SHMEM2_RD(bp,
  4177. link_attr_sync[params->port]);
  4178. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4179. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4180. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4181. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4182. }
  4183. static void bnx2x_set_master_ln(struct link_params *params,
  4184. struct bnx2x_phy *phy)
  4185. {
  4186. struct bnx2x *bp = params->bp;
  4187. u16 new_master_ln, ser_lane;
  4188. ser_lane = ((params->lane_config &
  4189. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4190. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4191. /* Set the master_ln for AN */
  4192. CL22_RD_OVER_CL45(bp, phy,
  4193. MDIO_REG_BANK_XGXS_BLOCK2,
  4194. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4195. &new_master_ln);
  4196. CL22_WR_OVER_CL45(bp, phy,
  4197. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4198. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4199. (new_master_ln | ser_lane));
  4200. }
  4201. static int bnx2x_reset_unicore(struct link_params *params,
  4202. struct bnx2x_phy *phy,
  4203. u8 set_serdes)
  4204. {
  4205. struct bnx2x *bp = params->bp;
  4206. u16 mii_control;
  4207. u16 i;
  4208. CL22_RD_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_COMBO_IEEE0,
  4210. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4211. /* Reset the unicore */
  4212. CL22_WR_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_COMBO_IEEE0,
  4214. MDIO_COMBO_IEEE0_MII_CONTROL,
  4215. (mii_control |
  4216. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4217. if (set_serdes)
  4218. bnx2x_set_serdes_access(bp, params->port);
  4219. /* Wait for the reset to self clear */
  4220. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4221. udelay(5);
  4222. /* The reset erased the previous bank value */
  4223. CL22_RD_OVER_CL45(bp, phy,
  4224. MDIO_REG_BANK_COMBO_IEEE0,
  4225. MDIO_COMBO_IEEE0_MII_CONTROL,
  4226. &mii_control);
  4227. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4228. udelay(5);
  4229. return 0;
  4230. }
  4231. }
  4232. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4233. " Port %d\n",
  4234. params->port);
  4235. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4236. return -EINVAL;
  4237. }
  4238. static void bnx2x_set_swap_lanes(struct link_params *params,
  4239. struct bnx2x_phy *phy)
  4240. {
  4241. struct bnx2x *bp = params->bp;
  4242. /* Each two bits represents a lane number:
  4243. * No swap is 0123 => 0x1b no need to enable the swap
  4244. */
  4245. u16 rx_lane_swap, tx_lane_swap;
  4246. rx_lane_swap = ((params->lane_config &
  4247. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4248. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4249. tx_lane_swap = ((params->lane_config &
  4250. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4251. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4252. if (rx_lane_swap != 0x1b) {
  4253. CL22_WR_OVER_CL45(bp, phy,
  4254. MDIO_REG_BANK_XGXS_BLOCK2,
  4255. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4256. (rx_lane_swap |
  4257. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4258. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4259. } else {
  4260. CL22_WR_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_XGXS_BLOCK2,
  4262. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4263. }
  4264. if (tx_lane_swap != 0x1b) {
  4265. CL22_WR_OVER_CL45(bp, phy,
  4266. MDIO_REG_BANK_XGXS_BLOCK2,
  4267. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4268. (tx_lane_swap |
  4269. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4270. } else {
  4271. CL22_WR_OVER_CL45(bp, phy,
  4272. MDIO_REG_BANK_XGXS_BLOCK2,
  4273. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4274. }
  4275. }
  4276. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4277. struct link_params *params)
  4278. {
  4279. struct bnx2x *bp = params->bp;
  4280. u16 control2;
  4281. CL22_RD_OVER_CL45(bp, phy,
  4282. MDIO_REG_BANK_SERDES_DIGITAL,
  4283. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4284. &control2);
  4285. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4286. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4287. else
  4288. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4289. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4290. phy->speed_cap_mask, control2);
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_SERDES_DIGITAL,
  4293. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4294. control2);
  4295. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4296. (phy->speed_cap_mask &
  4297. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4298. DP(NETIF_MSG_LINK, "XGXS\n");
  4299. CL22_WR_OVER_CL45(bp, phy,
  4300. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4301. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4302. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4303. CL22_RD_OVER_CL45(bp, phy,
  4304. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4305. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4306. &control2);
  4307. control2 |=
  4308. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4309. CL22_WR_OVER_CL45(bp, phy,
  4310. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4311. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4312. control2);
  4313. /* Disable parallel detection of HiG */
  4314. CL22_WR_OVER_CL45(bp, phy,
  4315. MDIO_REG_BANK_XGXS_BLOCK2,
  4316. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4317. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4318. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4319. }
  4320. }
  4321. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4322. struct link_params *params,
  4323. struct link_vars *vars,
  4324. u8 enable_cl73)
  4325. {
  4326. struct bnx2x *bp = params->bp;
  4327. u16 reg_val;
  4328. /* CL37 Autoneg */
  4329. CL22_RD_OVER_CL45(bp, phy,
  4330. MDIO_REG_BANK_COMBO_IEEE0,
  4331. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4332. /* CL37 Autoneg Enabled */
  4333. if (vars->line_speed == SPEED_AUTO_NEG)
  4334. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4335. else /* CL37 Autoneg Disabled */
  4336. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4337. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4338. CL22_WR_OVER_CL45(bp, phy,
  4339. MDIO_REG_BANK_COMBO_IEEE0,
  4340. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4341. /* Enable/Disable Autodetection */
  4342. CL22_RD_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_SERDES_DIGITAL,
  4344. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4345. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4346. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4347. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4348. if (vars->line_speed == SPEED_AUTO_NEG)
  4349. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4350. else
  4351. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4352. CL22_WR_OVER_CL45(bp, phy,
  4353. MDIO_REG_BANK_SERDES_DIGITAL,
  4354. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4355. /* Enable TetonII and BAM autoneg */
  4356. CL22_RD_OVER_CL45(bp, phy,
  4357. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4358. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4359. &reg_val);
  4360. if (vars->line_speed == SPEED_AUTO_NEG) {
  4361. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4362. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4363. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4364. } else {
  4365. /* TetonII and BAM Autoneg Disabled */
  4366. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4367. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4368. }
  4369. CL22_WR_OVER_CL45(bp, phy,
  4370. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4371. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4372. reg_val);
  4373. if (enable_cl73) {
  4374. /* Enable Cl73 FSM status bits */
  4375. CL22_WR_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_CL73_USERB0,
  4377. MDIO_CL73_USERB0_CL73_UCTRL,
  4378. 0xe);
  4379. /* Enable BAM Station Manager*/
  4380. CL22_WR_OVER_CL45(bp, phy,
  4381. MDIO_REG_BANK_CL73_USERB0,
  4382. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4383. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4384. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4385. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4386. /* Advertise CL73 link speeds */
  4387. CL22_RD_OVER_CL45(bp, phy,
  4388. MDIO_REG_BANK_CL73_IEEEB1,
  4389. MDIO_CL73_IEEEB1_AN_ADV2,
  4390. &reg_val);
  4391. if (phy->speed_cap_mask &
  4392. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4393. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4394. if (phy->speed_cap_mask &
  4395. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4396. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4397. CL22_WR_OVER_CL45(bp, phy,
  4398. MDIO_REG_BANK_CL73_IEEEB1,
  4399. MDIO_CL73_IEEEB1_AN_ADV2,
  4400. reg_val);
  4401. /* CL73 Autoneg Enabled */
  4402. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4403. } else /* CL73 Autoneg Disabled */
  4404. reg_val = 0;
  4405. CL22_WR_OVER_CL45(bp, phy,
  4406. MDIO_REG_BANK_CL73_IEEEB0,
  4407. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4408. }
  4409. /* Program SerDes, forced speed */
  4410. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4411. struct link_params *params,
  4412. struct link_vars *vars)
  4413. {
  4414. struct bnx2x *bp = params->bp;
  4415. u16 reg_val;
  4416. /* Program duplex, disable autoneg and sgmii*/
  4417. CL22_RD_OVER_CL45(bp, phy,
  4418. MDIO_REG_BANK_COMBO_IEEE0,
  4419. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4420. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4421. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4422. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4423. if (phy->req_duplex == DUPLEX_FULL)
  4424. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4425. CL22_WR_OVER_CL45(bp, phy,
  4426. MDIO_REG_BANK_COMBO_IEEE0,
  4427. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4428. /* Program speed
  4429. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4430. */
  4431. CL22_RD_OVER_CL45(bp, phy,
  4432. MDIO_REG_BANK_SERDES_DIGITAL,
  4433. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4434. /* Clearing the speed value before setting the right speed */
  4435. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4436. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4437. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4438. if (!((vars->line_speed == SPEED_1000) ||
  4439. (vars->line_speed == SPEED_100) ||
  4440. (vars->line_speed == SPEED_10))) {
  4441. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4442. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4443. if (vars->line_speed == SPEED_10000)
  4444. reg_val |=
  4445. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4446. }
  4447. CL22_WR_OVER_CL45(bp, phy,
  4448. MDIO_REG_BANK_SERDES_DIGITAL,
  4449. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4450. }
  4451. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4452. struct link_params *params)
  4453. {
  4454. struct bnx2x *bp = params->bp;
  4455. u16 val = 0;
  4456. /* Set extended capabilities */
  4457. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4458. val |= MDIO_OVER_1G_UP1_2_5G;
  4459. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4460. val |= MDIO_OVER_1G_UP1_10G;
  4461. CL22_WR_OVER_CL45(bp, phy,
  4462. MDIO_REG_BANK_OVER_1G,
  4463. MDIO_OVER_1G_UP1, val);
  4464. CL22_WR_OVER_CL45(bp, phy,
  4465. MDIO_REG_BANK_OVER_1G,
  4466. MDIO_OVER_1G_UP3, 0x400);
  4467. }
  4468. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4469. struct link_params *params,
  4470. u16 ieee_fc)
  4471. {
  4472. struct bnx2x *bp = params->bp;
  4473. u16 val;
  4474. /* For AN, we are always publishing full duplex */
  4475. CL22_WR_OVER_CL45(bp, phy,
  4476. MDIO_REG_BANK_COMBO_IEEE0,
  4477. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4478. CL22_RD_OVER_CL45(bp, phy,
  4479. MDIO_REG_BANK_CL73_IEEEB1,
  4480. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4481. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4482. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4483. CL22_WR_OVER_CL45(bp, phy,
  4484. MDIO_REG_BANK_CL73_IEEEB1,
  4485. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4486. }
  4487. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4488. struct link_params *params,
  4489. u8 enable_cl73)
  4490. {
  4491. struct bnx2x *bp = params->bp;
  4492. u16 mii_control;
  4493. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4494. /* Enable and restart BAM/CL37 aneg */
  4495. if (enable_cl73) {
  4496. CL22_RD_OVER_CL45(bp, phy,
  4497. MDIO_REG_BANK_CL73_IEEEB0,
  4498. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4499. &mii_control);
  4500. CL22_WR_OVER_CL45(bp, phy,
  4501. MDIO_REG_BANK_CL73_IEEEB0,
  4502. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4503. (mii_control |
  4504. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4505. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4506. } else {
  4507. CL22_RD_OVER_CL45(bp, phy,
  4508. MDIO_REG_BANK_COMBO_IEEE0,
  4509. MDIO_COMBO_IEEE0_MII_CONTROL,
  4510. &mii_control);
  4511. DP(NETIF_MSG_LINK,
  4512. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4513. mii_control);
  4514. CL22_WR_OVER_CL45(bp, phy,
  4515. MDIO_REG_BANK_COMBO_IEEE0,
  4516. MDIO_COMBO_IEEE0_MII_CONTROL,
  4517. (mii_control |
  4518. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4519. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4520. }
  4521. }
  4522. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4523. struct link_params *params,
  4524. struct link_vars *vars)
  4525. {
  4526. struct bnx2x *bp = params->bp;
  4527. u16 control1;
  4528. /* In SGMII mode, the unicore is always slave */
  4529. CL22_RD_OVER_CL45(bp, phy,
  4530. MDIO_REG_BANK_SERDES_DIGITAL,
  4531. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4532. &control1);
  4533. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4534. /* Set sgmii mode (and not fiber) */
  4535. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4536. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4537. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4538. CL22_WR_OVER_CL45(bp, phy,
  4539. MDIO_REG_BANK_SERDES_DIGITAL,
  4540. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4541. control1);
  4542. /* If forced speed */
  4543. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4544. /* Set speed, disable autoneg */
  4545. u16 mii_control;
  4546. CL22_RD_OVER_CL45(bp, phy,
  4547. MDIO_REG_BANK_COMBO_IEEE0,
  4548. MDIO_COMBO_IEEE0_MII_CONTROL,
  4549. &mii_control);
  4550. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4551. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4552. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4553. switch (vars->line_speed) {
  4554. case SPEED_100:
  4555. mii_control |=
  4556. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4557. break;
  4558. case SPEED_1000:
  4559. mii_control |=
  4560. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4561. break;
  4562. case SPEED_10:
  4563. /* There is nothing to set for 10M */
  4564. break;
  4565. default:
  4566. /* Invalid speed for SGMII */
  4567. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4568. vars->line_speed);
  4569. break;
  4570. }
  4571. /* Setting the full duplex */
  4572. if (phy->req_duplex == DUPLEX_FULL)
  4573. mii_control |=
  4574. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4575. CL22_WR_OVER_CL45(bp, phy,
  4576. MDIO_REG_BANK_COMBO_IEEE0,
  4577. MDIO_COMBO_IEEE0_MII_CONTROL,
  4578. mii_control);
  4579. } else { /* AN mode */
  4580. /* Enable and restart AN */
  4581. bnx2x_restart_autoneg(phy, params, 0);
  4582. }
  4583. }
  4584. /* Link management
  4585. */
  4586. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4587. struct link_params *params)
  4588. {
  4589. struct bnx2x *bp = params->bp;
  4590. u16 pd_10g, status2_1000x;
  4591. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4592. return 0;
  4593. CL22_RD_OVER_CL45(bp, phy,
  4594. MDIO_REG_BANK_SERDES_DIGITAL,
  4595. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4596. &status2_1000x);
  4597. CL22_RD_OVER_CL45(bp, phy,
  4598. MDIO_REG_BANK_SERDES_DIGITAL,
  4599. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4600. &status2_1000x);
  4601. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4602. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4603. params->port);
  4604. return 1;
  4605. }
  4606. CL22_RD_OVER_CL45(bp, phy,
  4607. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4608. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4609. &pd_10g);
  4610. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4611. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4612. params->port);
  4613. return 1;
  4614. }
  4615. return 0;
  4616. }
  4617. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4618. struct link_params *params,
  4619. struct link_vars *vars,
  4620. u32 gp_status)
  4621. {
  4622. u16 ld_pause; /* local driver */
  4623. u16 lp_pause; /* link partner */
  4624. u16 pause_result;
  4625. struct bnx2x *bp = params->bp;
  4626. if ((gp_status &
  4627. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4628. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4629. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4630. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4631. CL22_RD_OVER_CL45(bp, phy,
  4632. MDIO_REG_BANK_CL73_IEEEB1,
  4633. MDIO_CL73_IEEEB1_AN_ADV1,
  4634. &ld_pause);
  4635. CL22_RD_OVER_CL45(bp, phy,
  4636. MDIO_REG_BANK_CL73_IEEEB1,
  4637. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4638. &lp_pause);
  4639. pause_result = (ld_pause &
  4640. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4641. pause_result |= (lp_pause &
  4642. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4643. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4644. } else {
  4645. CL22_RD_OVER_CL45(bp, phy,
  4646. MDIO_REG_BANK_COMBO_IEEE0,
  4647. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4648. &ld_pause);
  4649. CL22_RD_OVER_CL45(bp, phy,
  4650. MDIO_REG_BANK_COMBO_IEEE0,
  4651. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4652. &lp_pause);
  4653. pause_result = (ld_pause &
  4654. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4655. pause_result |= (lp_pause &
  4656. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4657. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4658. }
  4659. bnx2x_pause_resolve(vars, pause_result);
  4660. }
  4661. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4662. struct link_params *params,
  4663. struct link_vars *vars,
  4664. u32 gp_status)
  4665. {
  4666. struct bnx2x *bp = params->bp;
  4667. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4668. /* Resolve from gp_status in case of AN complete and not sgmii */
  4669. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4670. /* Update the advertised flow-controled of LD/LP in AN */
  4671. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4672. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4673. /* But set the flow-control result as the requested one */
  4674. vars->flow_ctrl = phy->req_flow_ctrl;
  4675. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4676. vars->flow_ctrl = params->req_fc_auto_adv;
  4677. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4678. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4679. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4680. vars->flow_ctrl = params->req_fc_auto_adv;
  4681. return;
  4682. }
  4683. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4684. }
  4685. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4686. }
  4687. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4688. struct link_params *params)
  4689. {
  4690. struct bnx2x *bp = params->bp;
  4691. u16 rx_status, ustat_val, cl37_fsm_received;
  4692. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4693. /* Step 1: Make sure signal is detected */
  4694. CL22_RD_OVER_CL45(bp, phy,
  4695. MDIO_REG_BANK_RX0,
  4696. MDIO_RX0_RX_STATUS,
  4697. &rx_status);
  4698. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4699. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4700. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4701. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4702. CL22_WR_OVER_CL45(bp, phy,
  4703. MDIO_REG_BANK_CL73_IEEEB0,
  4704. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4705. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4706. return;
  4707. }
  4708. /* Step 2: Check CL73 state machine */
  4709. CL22_RD_OVER_CL45(bp, phy,
  4710. MDIO_REG_BANK_CL73_USERB0,
  4711. MDIO_CL73_USERB0_CL73_USTAT1,
  4712. &ustat_val);
  4713. if ((ustat_val &
  4714. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4715. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4716. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4717. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4718. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4719. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4720. return;
  4721. }
  4722. /* Step 3: Check CL37 Message Pages received to indicate LP
  4723. * supports only CL37
  4724. */
  4725. CL22_RD_OVER_CL45(bp, phy,
  4726. MDIO_REG_BANK_REMOTE_PHY,
  4727. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4728. &cl37_fsm_received);
  4729. if ((cl37_fsm_received &
  4730. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4731. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4732. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4733. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4734. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4735. "misc_rx_status(0x8330) = 0x%x\n",
  4736. cl37_fsm_received);
  4737. return;
  4738. }
  4739. /* The combined cl37/cl73 fsm state information indicating that
  4740. * we are connected to a device which does not support cl73, but
  4741. * does support cl37 BAM. In this case we disable cl73 and
  4742. * restart cl37 auto-neg
  4743. */
  4744. /* Disable CL73 */
  4745. CL22_WR_OVER_CL45(bp, phy,
  4746. MDIO_REG_BANK_CL73_IEEEB0,
  4747. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4748. 0);
  4749. /* Restart CL37 autoneg */
  4750. bnx2x_restart_autoneg(phy, params, 0);
  4751. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4752. }
  4753. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4754. struct link_params *params,
  4755. struct link_vars *vars,
  4756. u32 gp_status)
  4757. {
  4758. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4759. vars->link_status |=
  4760. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4761. if (bnx2x_direct_parallel_detect_used(phy, params))
  4762. vars->link_status |=
  4763. LINK_STATUS_PARALLEL_DETECTION_USED;
  4764. }
  4765. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4766. struct link_params *params,
  4767. struct link_vars *vars,
  4768. u16 is_link_up,
  4769. u16 speed_mask,
  4770. u16 is_duplex)
  4771. {
  4772. struct bnx2x *bp = params->bp;
  4773. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4774. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4775. if (is_link_up) {
  4776. DP(NETIF_MSG_LINK, "phy link up\n");
  4777. vars->phy_link_up = 1;
  4778. vars->link_status |= LINK_STATUS_LINK_UP;
  4779. switch (speed_mask) {
  4780. case GP_STATUS_10M:
  4781. vars->line_speed = SPEED_10;
  4782. if (is_duplex == DUPLEX_FULL)
  4783. vars->link_status |= LINK_10TFD;
  4784. else
  4785. vars->link_status |= LINK_10THD;
  4786. break;
  4787. case GP_STATUS_100M:
  4788. vars->line_speed = SPEED_100;
  4789. if (is_duplex == DUPLEX_FULL)
  4790. vars->link_status |= LINK_100TXFD;
  4791. else
  4792. vars->link_status |= LINK_100TXHD;
  4793. break;
  4794. case GP_STATUS_1G:
  4795. case GP_STATUS_1G_KX:
  4796. vars->line_speed = SPEED_1000;
  4797. if (is_duplex == DUPLEX_FULL)
  4798. vars->link_status |= LINK_1000TFD;
  4799. else
  4800. vars->link_status |= LINK_1000THD;
  4801. break;
  4802. case GP_STATUS_2_5G:
  4803. vars->line_speed = SPEED_2500;
  4804. if (is_duplex == DUPLEX_FULL)
  4805. vars->link_status |= LINK_2500TFD;
  4806. else
  4807. vars->link_status |= LINK_2500THD;
  4808. break;
  4809. case GP_STATUS_5G:
  4810. case GP_STATUS_6G:
  4811. DP(NETIF_MSG_LINK,
  4812. "link speed unsupported gp_status 0x%x\n",
  4813. speed_mask);
  4814. return -EINVAL;
  4815. case GP_STATUS_10G_KX4:
  4816. case GP_STATUS_10G_HIG:
  4817. case GP_STATUS_10G_CX4:
  4818. case GP_STATUS_10G_KR:
  4819. case GP_STATUS_10G_SFI:
  4820. case GP_STATUS_10G_XFI:
  4821. vars->line_speed = SPEED_10000;
  4822. vars->link_status |= LINK_10GTFD;
  4823. break;
  4824. case GP_STATUS_20G_DXGXS:
  4825. case GP_STATUS_20G_KR2:
  4826. vars->line_speed = SPEED_20000;
  4827. vars->link_status |= LINK_20GTFD;
  4828. break;
  4829. default:
  4830. DP(NETIF_MSG_LINK,
  4831. "link speed unsupported gp_status 0x%x\n",
  4832. speed_mask);
  4833. return -EINVAL;
  4834. }
  4835. } else { /* link_down */
  4836. DP(NETIF_MSG_LINK, "phy link down\n");
  4837. vars->phy_link_up = 0;
  4838. vars->duplex = DUPLEX_FULL;
  4839. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4840. vars->mac_type = MAC_TYPE_NONE;
  4841. }
  4842. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4843. vars->phy_link_up, vars->line_speed);
  4844. return 0;
  4845. }
  4846. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4847. struct link_params *params,
  4848. struct link_vars *vars)
  4849. {
  4850. struct bnx2x *bp = params->bp;
  4851. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4852. int rc = 0;
  4853. /* Read gp_status */
  4854. CL22_RD_OVER_CL45(bp, phy,
  4855. MDIO_REG_BANK_GP_STATUS,
  4856. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4857. &gp_status);
  4858. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4859. duplex = DUPLEX_FULL;
  4860. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4861. link_up = 1;
  4862. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4863. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4864. gp_status, link_up, speed_mask);
  4865. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4866. duplex);
  4867. if (rc == -EINVAL)
  4868. return rc;
  4869. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4870. if (SINGLE_MEDIA_DIRECT(params)) {
  4871. vars->duplex = duplex;
  4872. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4873. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4874. bnx2x_xgxs_an_resolve(phy, params, vars,
  4875. gp_status);
  4876. }
  4877. } else { /* Link_down */
  4878. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4879. SINGLE_MEDIA_DIRECT(params)) {
  4880. /* Check signal is detected */
  4881. bnx2x_check_fallback_to_cl37(phy, params);
  4882. }
  4883. }
  4884. /* Read LP advertised speeds*/
  4885. if (SINGLE_MEDIA_DIRECT(params) &&
  4886. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4887. u16 val;
  4888. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4889. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4890. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4891. vars->link_status |=
  4892. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4893. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4894. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4895. vars->link_status |=
  4896. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4897. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4898. MDIO_OVER_1G_LP_UP1, &val);
  4899. if (val & MDIO_OVER_1G_UP1_2_5G)
  4900. vars->link_status |=
  4901. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4902. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4903. vars->link_status |=
  4904. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4905. }
  4906. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4907. vars->duplex, vars->flow_ctrl, vars->link_status);
  4908. return rc;
  4909. }
  4910. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4911. struct link_params *params,
  4912. struct link_vars *vars)
  4913. {
  4914. struct bnx2x *bp = params->bp;
  4915. u8 lane;
  4916. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4917. int rc = 0;
  4918. lane = bnx2x_get_warpcore_lane(phy, params);
  4919. /* Read gp_status */
  4920. if ((params->loopback_mode) &&
  4921. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4922. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4923. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4924. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4925. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4926. link_up &= 0x1;
  4927. } else if ((phy->req_line_speed > SPEED_10000) &&
  4928. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4929. u16 temp_link_up;
  4930. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4931. 1, &temp_link_up);
  4932. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4933. 1, &link_up);
  4934. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4935. temp_link_up, link_up);
  4936. link_up &= (1<<2);
  4937. if (link_up)
  4938. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4939. } else {
  4940. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4941. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4942. &gp_status1);
  4943. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4944. /* Check for either KR, 1G, or AN up. */
  4945. link_up = ((gp_status1 >> 8) |
  4946. (gp_status1 >> 12) |
  4947. (gp_status1)) &
  4948. (1 << lane);
  4949. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4950. u16 an_link;
  4951. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4952. MDIO_AN_REG_STATUS, &an_link);
  4953. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4954. MDIO_AN_REG_STATUS, &an_link);
  4955. link_up |= (an_link & (1<<2));
  4956. }
  4957. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4958. u16 pd, gp_status4;
  4959. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4960. /* Check Autoneg complete */
  4961. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4962. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4963. &gp_status4);
  4964. if (gp_status4 & ((1<<12)<<lane))
  4965. vars->link_status |=
  4966. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4967. /* Check parallel detect used */
  4968. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4969. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4970. &pd);
  4971. if (pd & (1<<15))
  4972. vars->link_status |=
  4973. LINK_STATUS_PARALLEL_DETECTION_USED;
  4974. }
  4975. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4976. vars->duplex = duplex;
  4977. }
  4978. }
  4979. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4980. SINGLE_MEDIA_DIRECT(params)) {
  4981. u16 val;
  4982. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4983. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4984. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4985. vars->link_status |=
  4986. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4987. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4988. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4989. vars->link_status |=
  4990. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4991. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4992. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4993. if (val & MDIO_OVER_1G_UP1_2_5G)
  4994. vars->link_status |=
  4995. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4996. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4997. vars->link_status |=
  4998. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4999. }
  5000. if (lane < 2) {
  5001. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5002. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5003. } else {
  5004. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5005. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5006. }
  5007. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5008. if ((lane & 1) == 0)
  5009. gp_speed <<= 8;
  5010. gp_speed &= 0x3f00;
  5011. link_up = !!link_up;
  5012. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5013. duplex);
  5014. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5015. vars->duplex, vars->flow_ctrl, vars->link_status);
  5016. return rc;
  5017. }
  5018. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5019. {
  5020. struct bnx2x *bp = params->bp;
  5021. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5022. u16 lp_up2;
  5023. u16 tx_driver;
  5024. u16 bank;
  5025. /* Read precomp */
  5026. CL22_RD_OVER_CL45(bp, phy,
  5027. MDIO_REG_BANK_OVER_1G,
  5028. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5029. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5030. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5031. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5032. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5033. if (lp_up2 == 0)
  5034. return;
  5035. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5036. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5037. CL22_RD_OVER_CL45(bp, phy,
  5038. bank,
  5039. MDIO_TX0_TX_DRIVER, &tx_driver);
  5040. /* Replace tx_driver bits [15:12] */
  5041. if (lp_up2 !=
  5042. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5043. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5044. tx_driver |= lp_up2;
  5045. CL22_WR_OVER_CL45(bp, phy,
  5046. bank,
  5047. MDIO_TX0_TX_DRIVER, tx_driver);
  5048. }
  5049. }
  5050. }
  5051. static int bnx2x_emac_program(struct link_params *params,
  5052. struct link_vars *vars)
  5053. {
  5054. struct bnx2x *bp = params->bp;
  5055. u8 port = params->port;
  5056. u16 mode = 0;
  5057. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5058. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5059. EMAC_REG_EMAC_MODE,
  5060. (EMAC_MODE_25G_MODE |
  5061. EMAC_MODE_PORT_MII_10M |
  5062. EMAC_MODE_HALF_DUPLEX));
  5063. switch (vars->line_speed) {
  5064. case SPEED_10:
  5065. mode |= EMAC_MODE_PORT_MII_10M;
  5066. break;
  5067. case SPEED_100:
  5068. mode |= EMAC_MODE_PORT_MII;
  5069. break;
  5070. case SPEED_1000:
  5071. mode |= EMAC_MODE_PORT_GMII;
  5072. break;
  5073. case SPEED_2500:
  5074. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5075. break;
  5076. default:
  5077. /* 10G not valid for EMAC */
  5078. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5079. vars->line_speed);
  5080. return -EINVAL;
  5081. }
  5082. if (vars->duplex == DUPLEX_HALF)
  5083. mode |= EMAC_MODE_HALF_DUPLEX;
  5084. bnx2x_bits_en(bp,
  5085. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5086. mode);
  5087. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5088. return 0;
  5089. }
  5090. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5091. struct link_params *params)
  5092. {
  5093. u16 bank, i = 0;
  5094. struct bnx2x *bp = params->bp;
  5095. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5096. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5097. CL22_WR_OVER_CL45(bp, phy,
  5098. bank,
  5099. MDIO_RX0_RX_EQ_BOOST,
  5100. phy->rx_preemphasis[i]);
  5101. }
  5102. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5103. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5104. CL22_WR_OVER_CL45(bp, phy,
  5105. bank,
  5106. MDIO_TX0_TX_DRIVER,
  5107. phy->tx_preemphasis[i]);
  5108. }
  5109. }
  5110. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5111. struct link_params *params,
  5112. struct link_vars *vars)
  5113. {
  5114. struct bnx2x *bp = params->bp;
  5115. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5116. (params->loopback_mode == LOOPBACK_XGXS));
  5117. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5118. if (SINGLE_MEDIA_DIRECT(params) &&
  5119. (params->feature_config_flags &
  5120. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5121. bnx2x_set_preemphasis(phy, params);
  5122. /* Forced speed requested? */
  5123. if (vars->line_speed != SPEED_AUTO_NEG ||
  5124. (SINGLE_MEDIA_DIRECT(params) &&
  5125. params->loopback_mode == LOOPBACK_EXT)) {
  5126. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5127. /* Disable autoneg */
  5128. bnx2x_set_autoneg(phy, params, vars, 0);
  5129. /* Program speed and duplex */
  5130. bnx2x_program_serdes(phy, params, vars);
  5131. } else { /* AN_mode */
  5132. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5133. /* AN enabled */
  5134. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5135. /* Program duplex & pause advertisement (for aneg) */
  5136. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5137. vars->ieee_fc);
  5138. /* Enable autoneg */
  5139. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5140. /* Enable and restart AN */
  5141. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5142. }
  5143. } else { /* SGMII mode */
  5144. DP(NETIF_MSG_LINK, "SGMII\n");
  5145. bnx2x_initialize_sgmii_process(phy, params, vars);
  5146. }
  5147. }
  5148. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5149. struct link_params *params,
  5150. struct link_vars *vars)
  5151. {
  5152. int rc;
  5153. vars->phy_flags |= PHY_XGXS_FLAG;
  5154. if ((phy->req_line_speed &&
  5155. ((phy->req_line_speed == SPEED_100) ||
  5156. (phy->req_line_speed == SPEED_10))) ||
  5157. (!phy->req_line_speed &&
  5158. (phy->speed_cap_mask >=
  5159. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5160. (phy->speed_cap_mask <
  5161. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5162. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5163. vars->phy_flags |= PHY_SGMII_FLAG;
  5164. else
  5165. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5166. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5167. bnx2x_set_aer_mmd(params, phy);
  5168. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5169. bnx2x_set_master_ln(params, phy);
  5170. rc = bnx2x_reset_unicore(params, phy, 0);
  5171. /* Reset the SerDes and wait for reset bit return low */
  5172. if (rc)
  5173. return rc;
  5174. bnx2x_set_aer_mmd(params, phy);
  5175. /* Setting the masterLn_def again after the reset */
  5176. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5177. bnx2x_set_master_ln(params, phy);
  5178. bnx2x_set_swap_lanes(params, phy);
  5179. }
  5180. return rc;
  5181. }
  5182. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5183. struct bnx2x_phy *phy,
  5184. struct link_params *params)
  5185. {
  5186. u16 cnt, ctrl;
  5187. /* Wait for soft reset to get cleared up to 1 sec */
  5188. for (cnt = 0; cnt < 1000; cnt++) {
  5189. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5190. bnx2x_cl22_read(bp, phy,
  5191. MDIO_PMA_REG_CTRL, &ctrl);
  5192. else
  5193. bnx2x_cl45_read(bp, phy,
  5194. MDIO_PMA_DEVAD,
  5195. MDIO_PMA_REG_CTRL, &ctrl);
  5196. if (!(ctrl & (1<<15)))
  5197. break;
  5198. usleep_range(1000, 2000);
  5199. }
  5200. if (cnt == 1000)
  5201. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5202. " Port %d\n",
  5203. params->port);
  5204. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5205. return cnt;
  5206. }
  5207. static void bnx2x_link_int_enable(struct link_params *params)
  5208. {
  5209. u8 port = params->port;
  5210. u32 mask;
  5211. struct bnx2x *bp = params->bp;
  5212. /* Setting the status to report on link up for either XGXS or SerDes */
  5213. if (CHIP_IS_E3(bp)) {
  5214. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5215. if (!(SINGLE_MEDIA_DIRECT(params)))
  5216. mask |= NIG_MASK_MI_INT;
  5217. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5218. mask = (NIG_MASK_XGXS0_LINK10G |
  5219. NIG_MASK_XGXS0_LINK_STATUS);
  5220. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5221. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5222. params->phy[INT_PHY].type !=
  5223. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5224. mask |= NIG_MASK_MI_INT;
  5225. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5226. }
  5227. } else { /* SerDes */
  5228. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5229. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5230. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5231. params->phy[INT_PHY].type !=
  5232. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5233. mask |= NIG_MASK_MI_INT;
  5234. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5235. }
  5236. }
  5237. bnx2x_bits_en(bp,
  5238. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5239. mask);
  5240. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5241. (params->switch_cfg == SWITCH_CFG_10G),
  5242. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5243. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5244. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5245. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5246. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5247. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5248. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5249. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5250. }
  5251. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5252. u8 exp_mi_int)
  5253. {
  5254. u32 latch_status = 0;
  5255. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5256. * status register. Link down indication is high-active-signal,
  5257. * so in this case we need to write the status to clear the XOR
  5258. */
  5259. /* Read Latched signals */
  5260. latch_status = REG_RD(bp,
  5261. NIG_REG_LATCH_STATUS_0 + port*8);
  5262. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5263. /* Handle only those with latched-signal=up.*/
  5264. if (exp_mi_int)
  5265. bnx2x_bits_en(bp,
  5266. NIG_REG_STATUS_INTERRUPT_PORT0
  5267. + port*4,
  5268. NIG_STATUS_EMAC0_MI_INT);
  5269. else
  5270. bnx2x_bits_dis(bp,
  5271. NIG_REG_STATUS_INTERRUPT_PORT0
  5272. + port*4,
  5273. NIG_STATUS_EMAC0_MI_INT);
  5274. if (latch_status & 1) {
  5275. /* For all latched-signal=up : Re-Arm Latch signals */
  5276. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5277. (latch_status & 0xfffe) | (latch_status & 1));
  5278. }
  5279. /* For all latched-signal=up,Write original_signal to status */
  5280. }
  5281. static void bnx2x_link_int_ack(struct link_params *params,
  5282. struct link_vars *vars, u8 is_10g_plus)
  5283. {
  5284. struct bnx2x *bp = params->bp;
  5285. u8 port = params->port;
  5286. u32 mask;
  5287. /* First reset all status we assume only one line will be
  5288. * change at a time
  5289. */
  5290. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5291. (NIG_STATUS_XGXS0_LINK10G |
  5292. NIG_STATUS_XGXS0_LINK_STATUS |
  5293. NIG_STATUS_SERDES0_LINK_STATUS));
  5294. if (vars->phy_link_up) {
  5295. if (USES_WARPCORE(bp))
  5296. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5297. else {
  5298. if (is_10g_plus)
  5299. mask = NIG_STATUS_XGXS0_LINK10G;
  5300. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5301. /* Disable the link interrupt by writing 1 to
  5302. * the relevant lane in the status register
  5303. */
  5304. u32 ser_lane =
  5305. ((params->lane_config &
  5306. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5307. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5308. mask = ((1 << ser_lane) <<
  5309. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5310. } else
  5311. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5312. }
  5313. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5314. mask);
  5315. bnx2x_bits_en(bp,
  5316. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5317. mask);
  5318. }
  5319. }
  5320. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5321. {
  5322. u8 *str_ptr = str;
  5323. u32 mask = 0xf0000000;
  5324. u8 shift = 8*4;
  5325. u8 digit;
  5326. u8 remove_leading_zeros = 1;
  5327. if (*len < 10) {
  5328. /* Need more than 10chars for this format */
  5329. *str_ptr = '\0';
  5330. (*len)--;
  5331. return -EINVAL;
  5332. }
  5333. while (shift > 0) {
  5334. shift -= 4;
  5335. digit = ((num & mask) >> shift);
  5336. if (digit == 0 && remove_leading_zeros) {
  5337. mask = mask >> 4;
  5338. continue;
  5339. } else if (digit < 0xa)
  5340. *str_ptr = digit + '0';
  5341. else
  5342. *str_ptr = digit - 0xa + 'a';
  5343. remove_leading_zeros = 0;
  5344. str_ptr++;
  5345. (*len)--;
  5346. mask = mask >> 4;
  5347. if (shift == 4*4) {
  5348. *str_ptr = '.';
  5349. str_ptr++;
  5350. (*len)--;
  5351. remove_leading_zeros = 1;
  5352. }
  5353. }
  5354. return 0;
  5355. }
  5356. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5357. {
  5358. str[0] = '\0';
  5359. (*len)--;
  5360. return 0;
  5361. }
  5362. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5363. u16 len)
  5364. {
  5365. struct bnx2x *bp;
  5366. u32 spirom_ver = 0;
  5367. int status = 0;
  5368. u8 *ver_p = version;
  5369. u16 remain_len = len;
  5370. if (version == NULL || params == NULL)
  5371. return -EINVAL;
  5372. bp = params->bp;
  5373. /* Extract first external phy*/
  5374. version[0] = '\0';
  5375. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5376. if (params->phy[EXT_PHY1].format_fw_ver) {
  5377. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5378. ver_p,
  5379. &remain_len);
  5380. ver_p += (len - remain_len);
  5381. }
  5382. if ((params->num_phys == MAX_PHYS) &&
  5383. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5384. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5385. if (params->phy[EXT_PHY2].format_fw_ver) {
  5386. *ver_p = '/';
  5387. ver_p++;
  5388. remain_len--;
  5389. status |= params->phy[EXT_PHY2].format_fw_ver(
  5390. spirom_ver,
  5391. ver_p,
  5392. &remain_len);
  5393. ver_p = version + (len - remain_len);
  5394. }
  5395. }
  5396. *ver_p = '\0';
  5397. return status;
  5398. }
  5399. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5400. struct link_params *params)
  5401. {
  5402. u8 port = params->port;
  5403. struct bnx2x *bp = params->bp;
  5404. if (phy->req_line_speed != SPEED_1000) {
  5405. u32 md_devad = 0;
  5406. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5407. if (!CHIP_IS_E3(bp)) {
  5408. /* Change the uni_phy_addr in the nig */
  5409. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5410. port*0x18));
  5411. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5412. 0x5);
  5413. }
  5414. bnx2x_cl45_write(bp, phy,
  5415. 5,
  5416. (MDIO_REG_BANK_AER_BLOCK +
  5417. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5418. 0x2800);
  5419. bnx2x_cl45_write(bp, phy,
  5420. 5,
  5421. (MDIO_REG_BANK_CL73_IEEEB0 +
  5422. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5423. 0x6041);
  5424. msleep(200);
  5425. /* Set aer mmd back */
  5426. bnx2x_set_aer_mmd(params, phy);
  5427. if (!CHIP_IS_E3(bp)) {
  5428. /* And md_devad */
  5429. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5430. md_devad);
  5431. }
  5432. } else {
  5433. u16 mii_ctrl;
  5434. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5435. bnx2x_cl45_read(bp, phy, 5,
  5436. (MDIO_REG_BANK_COMBO_IEEE0 +
  5437. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5438. &mii_ctrl);
  5439. bnx2x_cl45_write(bp, phy, 5,
  5440. (MDIO_REG_BANK_COMBO_IEEE0 +
  5441. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5442. mii_ctrl |
  5443. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5444. }
  5445. }
  5446. int bnx2x_set_led(struct link_params *params,
  5447. struct link_vars *vars, u8 mode, u32 speed)
  5448. {
  5449. u8 port = params->port;
  5450. u16 hw_led_mode = params->hw_led_mode;
  5451. int rc = 0;
  5452. u8 phy_idx;
  5453. u32 tmp;
  5454. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5455. struct bnx2x *bp = params->bp;
  5456. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5457. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5458. speed, hw_led_mode);
  5459. /* In case */
  5460. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5461. if (params->phy[phy_idx].set_link_led) {
  5462. params->phy[phy_idx].set_link_led(
  5463. &params->phy[phy_idx], params, mode);
  5464. }
  5465. }
  5466. switch (mode) {
  5467. case LED_MODE_FRONT_PANEL_OFF:
  5468. case LED_MODE_OFF:
  5469. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5470. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5471. SHARED_HW_CFG_LED_MAC1);
  5472. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5473. if (params->phy[EXT_PHY1].type ==
  5474. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5475. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5476. EMAC_LED_100MB_OVERRIDE |
  5477. EMAC_LED_10MB_OVERRIDE);
  5478. else
  5479. tmp |= EMAC_LED_OVERRIDE;
  5480. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5481. break;
  5482. case LED_MODE_OPER:
  5483. /* For all other phys, OPER mode is same as ON, so in case
  5484. * link is down, do nothing
  5485. */
  5486. if (!vars->link_up)
  5487. break;
  5488. case LED_MODE_ON:
  5489. if (((params->phy[EXT_PHY1].type ==
  5490. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5491. (params->phy[EXT_PHY1].type ==
  5492. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5493. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5494. /* This is a work-around for E2+8727 Configurations */
  5495. if (mode == LED_MODE_ON ||
  5496. speed == SPEED_10000){
  5497. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5498. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5499. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5500. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5501. (tmp | EMAC_LED_OVERRIDE));
  5502. /* Return here without enabling traffic
  5503. * LED blink and setting rate in ON mode.
  5504. * In oper mode, enabling LED blink
  5505. * and setting rate is needed.
  5506. */
  5507. if (mode == LED_MODE_ON)
  5508. return rc;
  5509. }
  5510. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5511. /* This is a work-around for HW issue found when link
  5512. * is up in CL73
  5513. */
  5514. if ((!CHIP_IS_E3(bp)) ||
  5515. (CHIP_IS_E3(bp) &&
  5516. mode == LED_MODE_ON))
  5517. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5518. if (CHIP_IS_E1x(bp) ||
  5519. CHIP_IS_E2(bp) ||
  5520. (mode == LED_MODE_ON))
  5521. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5522. else
  5523. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5524. hw_led_mode);
  5525. } else if ((params->phy[EXT_PHY1].type ==
  5526. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5527. (mode == LED_MODE_ON)) {
  5528. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5529. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5530. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5531. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5532. /* Break here; otherwise, it'll disable the
  5533. * intended override.
  5534. */
  5535. break;
  5536. } else
  5537. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5538. hw_led_mode);
  5539. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5540. /* Set blinking rate to ~15.9Hz */
  5541. if (CHIP_IS_E3(bp))
  5542. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5543. LED_BLINK_RATE_VAL_E3);
  5544. else
  5545. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5546. LED_BLINK_RATE_VAL_E1X_E2);
  5547. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5548. port*4, 1);
  5549. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5550. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5551. (tmp & (~EMAC_LED_OVERRIDE)));
  5552. if (CHIP_IS_E1(bp) &&
  5553. ((speed == SPEED_2500) ||
  5554. (speed == SPEED_1000) ||
  5555. (speed == SPEED_100) ||
  5556. (speed == SPEED_10))) {
  5557. /* For speeds less than 10G LED scheme is different */
  5558. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5559. + port*4, 1);
  5560. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5561. port*4, 0);
  5562. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5563. port*4, 1);
  5564. }
  5565. break;
  5566. default:
  5567. rc = -EINVAL;
  5568. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5569. mode);
  5570. break;
  5571. }
  5572. return rc;
  5573. }
  5574. /* This function comes to reflect the actual link state read DIRECTLY from the
  5575. * HW
  5576. */
  5577. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5578. u8 is_serdes)
  5579. {
  5580. struct bnx2x *bp = params->bp;
  5581. u16 gp_status = 0, phy_index = 0;
  5582. u8 ext_phy_link_up = 0, serdes_phy_type;
  5583. struct link_vars temp_vars;
  5584. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5585. if (CHIP_IS_E3(bp)) {
  5586. u16 link_up;
  5587. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5588. > SPEED_10000) {
  5589. /* Check 20G link */
  5590. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5591. 1, &link_up);
  5592. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5593. 1, &link_up);
  5594. link_up &= (1<<2);
  5595. } else {
  5596. /* Check 10G link and below*/
  5597. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5598. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5599. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5600. &gp_status);
  5601. gp_status = ((gp_status >> 8) & 0xf) |
  5602. ((gp_status >> 12) & 0xf);
  5603. link_up = gp_status & (1 << lane);
  5604. }
  5605. if (!link_up)
  5606. return -ESRCH;
  5607. } else {
  5608. CL22_RD_OVER_CL45(bp, int_phy,
  5609. MDIO_REG_BANK_GP_STATUS,
  5610. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5611. &gp_status);
  5612. /* Link is up only if both local phy and external phy are up */
  5613. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5614. return -ESRCH;
  5615. }
  5616. /* In XGXS loopback mode, do not check external PHY */
  5617. if (params->loopback_mode == LOOPBACK_XGXS)
  5618. return 0;
  5619. switch (params->num_phys) {
  5620. case 1:
  5621. /* No external PHY */
  5622. return 0;
  5623. case 2:
  5624. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5625. &params->phy[EXT_PHY1],
  5626. params, &temp_vars);
  5627. break;
  5628. case 3: /* Dual Media */
  5629. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5630. phy_index++) {
  5631. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5632. ETH_PHY_SFPP_10G_FIBER) ||
  5633. (params->phy[phy_index].media_type ==
  5634. ETH_PHY_SFP_1G_FIBER) ||
  5635. (params->phy[phy_index].media_type ==
  5636. ETH_PHY_XFP_FIBER) ||
  5637. (params->phy[phy_index].media_type ==
  5638. ETH_PHY_DA_TWINAX));
  5639. if (is_serdes != serdes_phy_type)
  5640. continue;
  5641. if (params->phy[phy_index].read_status) {
  5642. ext_phy_link_up |=
  5643. params->phy[phy_index].read_status(
  5644. &params->phy[phy_index],
  5645. params, &temp_vars);
  5646. }
  5647. }
  5648. break;
  5649. }
  5650. if (ext_phy_link_up)
  5651. return 0;
  5652. return -ESRCH;
  5653. }
  5654. static int bnx2x_link_initialize(struct link_params *params,
  5655. struct link_vars *vars)
  5656. {
  5657. int rc = 0;
  5658. u8 phy_index, non_ext_phy;
  5659. struct bnx2x *bp = params->bp;
  5660. /* In case of external phy existence, the line speed would be the
  5661. * line speed linked up by the external phy. In case it is direct
  5662. * only, then the line_speed during initialization will be
  5663. * equal to the req_line_speed
  5664. */
  5665. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5666. /* Initialize the internal phy in case this is a direct board
  5667. * (no external phys), or this board has external phy which requires
  5668. * to first.
  5669. */
  5670. if (!USES_WARPCORE(bp))
  5671. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5672. /* init ext phy and enable link state int */
  5673. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5674. (params->loopback_mode == LOOPBACK_XGXS));
  5675. if (non_ext_phy ||
  5676. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5677. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5678. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5679. if (vars->line_speed == SPEED_AUTO_NEG &&
  5680. (CHIP_IS_E1x(bp) ||
  5681. CHIP_IS_E2(bp)))
  5682. bnx2x_set_parallel_detection(phy, params);
  5683. if (params->phy[INT_PHY].config_init)
  5684. params->phy[INT_PHY].config_init(phy,
  5685. params,
  5686. vars);
  5687. }
  5688. /* Init external phy*/
  5689. if (non_ext_phy) {
  5690. if (params->phy[INT_PHY].supported &
  5691. SUPPORTED_FIBRE)
  5692. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5693. } else {
  5694. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5695. phy_index++) {
  5696. /* No need to initialize second phy in case of first
  5697. * phy only selection. In case of second phy, we do
  5698. * need to initialize the first phy, since they are
  5699. * connected.
  5700. */
  5701. if (params->phy[phy_index].supported &
  5702. SUPPORTED_FIBRE)
  5703. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5704. if (phy_index == EXT_PHY2 &&
  5705. (bnx2x_phy_selection(params) ==
  5706. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5707. DP(NETIF_MSG_LINK,
  5708. "Not initializing second phy\n");
  5709. continue;
  5710. }
  5711. params->phy[phy_index].config_init(
  5712. &params->phy[phy_index],
  5713. params, vars);
  5714. }
  5715. }
  5716. /* Reset the interrupt indication after phy was initialized */
  5717. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5718. params->port*4,
  5719. (NIG_STATUS_XGXS0_LINK10G |
  5720. NIG_STATUS_XGXS0_LINK_STATUS |
  5721. NIG_STATUS_SERDES0_LINK_STATUS |
  5722. NIG_MASK_MI_INT));
  5723. return rc;
  5724. }
  5725. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5726. struct link_params *params)
  5727. {
  5728. /* Reset the SerDes/XGXS */
  5729. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5730. (0x1ff << (params->port*16)));
  5731. }
  5732. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5733. struct link_params *params)
  5734. {
  5735. struct bnx2x *bp = params->bp;
  5736. u8 gpio_port;
  5737. /* HW reset */
  5738. if (CHIP_IS_E2(bp))
  5739. gpio_port = BP_PATH(bp);
  5740. else
  5741. gpio_port = params->port;
  5742. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5743. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5744. gpio_port);
  5745. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5746. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5747. gpio_port);
  5748. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5749. }
  5750. static int bnx2x_update_link_down(struct link_params *params,
  5751. struct link_vars *vars)
  5752. {
  5753. struct bnx2x *bp = params->bp;
  5754. u8 port = params->port;
  5755. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5756. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5757. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5758. /* Indicate no mac active */
  5759. vars->mac_type = MAC_TYPE_NONE;
  5760. /* Update shared memory */
  5761. vars->link_status &= ~LINK_UPDATE_MASK;
  5762. vars->line_speed = 0;
  5763. bnx2x_update_mng(params, vars->link_status);
  5764. /* Activate nig drain */
  5765. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5766. /* Disable emac */
  5767. if (!CHIP_IS_E3(bp))
  5768. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5769. usleep_range(10000, 20000);
  5770. /* Reset BigMac/Xmac */
  5771. if (CHIP_IS_E1x(bp) ||
  5772. CHIP_IS_E2(bp))
  5773. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5774. if (CHIP_IS_E3(bp)) {
  5775. /* Prevent LPI Generation by chip */
  5776. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5777. 0);
  5778. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5779. 0);
  5780. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5781. SHMEM_EEE_ACTIVE_BIT);
  5782. bnx2x_update_mng_eee(params, vars->eee_status);
  5783. bnx2x_set_xmac_rxtx(params, 0);
  5784. bnx2x_set_umac_rxtx(params, 0);
  5785. }
  5786. return 0;
  5787. }
  5788. static int bnx2x_update_link_up(struct link_params *params,
  5789. struct link_vars *vars,
  5790. u8 link_10g)
  5791. {
  5792. struct bnx2x *bp = params->bp;
  5793. u8 phy_idx, port = params->port;
  5794. int rc = 0;
  5795. vars->link_status |= (LINK_STATUS_LINK_UP |
  5796. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5797. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5798. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5799. vars->link_status |=
  5800. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5801. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5802. vars->link_status |=
  5803. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5804. if (USES_WARPCORE(bp)) {
  5805. if (link_10g) {
  5806. if (bnx2x_xmac_enable(params, vars, 0) ==
  5807. -ESRCH) {
  5808. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5809. vars->link_up = 0;
  5810. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5811. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5812. }
  5813. } else
  5814. bnx2x_umac_enable(params, vars, 0);
  5815. bnx2x_set_led(params, vars,
  5816. LED_MODE_OPER, vars->line_speed);
  5817. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5818. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5819. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5820. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5821. (params->port << 2), 1);
  5822. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5823. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5824. (params->port << 2), 0xfc20);
  5825. }
  5826. }
  5827. if ((CHIP_IS_E1x(bp) ||
  5828. CHIP_IS_E2(bp))) {
  5829. if (link_10g) {
  5830. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5831. -ESRCH) {
  5832. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5833. vars->link_up = 0;
  5834. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5835. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5836. }
  5837. bnx2x_set_led(params, vars,
  5838. LED_MODE_OPER, SPEED_10000);
  5839. } else {
  5840. rc = bnx2x_emac_program(params, vars);
  5841. bnx2x_emac_enable(params, vars, 0);
  5842. /* AN complete? */
  5843. if ((vars->link_status &
  5844. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5845. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5846. SINGLE_MEDIA_DIRECT(params))
  5847. bnx2x_set_gmii_tx_driver(params);
  5848. }
  5849. }
  5850. /* PBF - link up */
  5851. if (CHIP_IS_E1x(bp))
  5852. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5853. vars->line_speed);
  5854. /* Disable drain */
  5855. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5856. /* Update shared memory */
  5857. bnx2x_update_mng(params, vars->link_status);
  5858. bnx2x_update_mng_eee(params, vars->eee_status);
  5859. /* Check remote fault */
  5860. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5861. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5862. bnx2x_check_half_open_conn(params, vars, 0);
  5863. break;
  5864. }
  5865. }
  5866. msleep(20);
  5867. return rc;
  5868. }
  5869. /* The bnx2x_link_update function should be called upon link
  5870. * interrupt.
  5871. * Link is considered up as follows:
  5872. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5873. * to be up
  5874. * - SINGLE_MEDIA - The link between the 577xx and the external
  5875. * phy (XGXS) need to up as well as the external link of the
  5876. * phy (PHY_EXT1)
  5877. * - DUAL_MEDIA - The link between the 577xx and the first
  5878. * external phy needs to be up, and at least one of the 2
  5879. * external phy link must be up.
  5880. */
  5881. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5882. {
  5883. struct bnx2x *bp = params->bp;
  5884. struct link_vars phy_vars[MAX_PHYS];
  5885. u8 port = params->port;
  5886. u8 link_10g_plus, phy_index;
  5887. u8 ext_phy_link_up = 0, cur_link_up;
  5888. int rc = 0;
  5889. u8 is_mi_int = 0;
  5890. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5891. u8 active_external_phy = INT_PHY;
  5892. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5893. vars->link_status &= ~LINK_UPDATE_MASK;
  5894. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5895. phy_index++) {
  5896. phy_vars[phy_index].flow_ctrl = 0;
  5897. phy_vars[phy_index].link_status = 0;
  5898. phy_vars[phy_index].line_speed = 0;
  5899. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5900. phy_vars[phy_index].phy_link_up = 0;
  5901. phy_vars[phy_index].link_up = 0;
  5902. phy_vars[phy_index].fault_detected = 0;
  5903. /* different consideration, since vars holds inner state */
  5904. phy_vars[phy_index].eee_status = vars->eee_status;
  5905. }
  5906. if (USES_WARPCORE(bp))
  5907. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5908. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5909. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5910. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5911. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5912. port*0x18) > 0);
  5913. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5914. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5915. is_mi_int,
  5916. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5917. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5918. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5919. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5920. /* Disable emac */
  5921. if (!CHIP_IS_E3(bp))
  5922. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5923. /* Step 1:
  5924. * Check external link change only for external phys, and apply
  5925. * priority selection between them in case the link on both phys
  5926. * is up. Note that instead of the common vars, a temporary
  5927. * vars argument is used since each phy may have different link/
  5928. * speed/duplex result
  5929. */
  5930. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5931. phy_index++) {
  5932. struct bnx2x_phy *phy = &params->phy[phy_index];
  5933. if (!phy->read_status)
  5934. continue;
  5935. /* Read link status and params of this ext phy */
  5936. cur_link_up = phy->read_status(phy, params,
  5937. &phy_vars[phy_index]);
  5938. if (cur_link_up) {
  5939. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5940. phy_index);
  5941. } else {
  5942. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5943. phy_index);
  5944. continue;
  5945. }
  5946. if (!ext_phy_link_up) {
  5947. ext_phy_link_up = 1;
  5948. active_external_phy = phy_index;
  5949. } else {
  5950. switch (bnx2x_phy_selection(params)) {
  5951. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5952. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5953. /* In this option, the first PHY makes sure to pass the
  5954. * traffic through itself only.
  5955. * Its not clear how to reset the link on the second phy
  5956. */
  5957. active_external_phy = EXT_PHY1;
  5958. break;
  5959. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5960. /* In this option, the first PHY makes sure to pass the
  5961. * traffic through the second PHY.
  5962. */
  5963. active_external_phy = EXT_PHY2;
  5964. break;
  5965. default:
  5966. /* Link indication on both PHYs with the following cases
  5967. * is invalid:
  5968. * - FIRST_PHY means that second phy wasn't initialized,
  5969. * hence its link is expected to be down
  5970. * - SECOND_PHY means that first phy should not be able
  5971. * to link up by itself (using configuration)
  5972. * - DEFAULT should be overriden during initialiazation
  5973. */
  5974. DP(NETIF_MSG_LINK, "Invalid link indication"
  5975. "mpc=0x%x. DISABLING LINK !!!\n",
  5976. params->multi_phy_config);
  5977. ext_phy_link_up = 0;
  5978. break;
  5979. }
  5980. }
  5981. }
  5982. prev_line_speed = vars->line_speed;
  5983. /* Step 2:
  5984. * Read the status of the internal phy. In case of
  5985. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5986. * otherwise this is the link between the 577xx and the first
  5987. * external phy
  5988. */
  5989. if (params->phy[INT_PHY].read_status)
  5990. params->phy[INT_PHY].read_status(
  5991. &params->phy[INT_PHY],
  5992. params, vars);
  5993. /* The INT_PHY flow control reside in the vars. This include the
  5994. * case where the speed or flow control are not set to AUTO.
  5995. * Otherwise, the active external phy flow control result is set
  5996. * to the vars. The ext_phy_line_speed is needed to check if the
  5997. * speed is different between the internal phy and external phy.
  5998. * This case may be result of intermediate link speed change.
  5999. */
  6000. if (active_external_phy > INT_PHY) {
  6001. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6002. /* Link speed is taken from the XGXS. AN and FC result from
  6003. * the external phy.
  6004. */
  6005. vars->link_status |= phy_vars[active_external_phy].link_status;
  6006. /* if active_external_phy is first PHY and link is up - disable
  6007. * disable TX on second external PHY
  6008. */
  6009. if (active_external_phy == EXT_PHY1) {
  6010. if (params->phy[EXT_PHY2].phy_specific_func) {
  6011. DP(NETIF_MSG_LINK,
  6012. "Disabling TX on EXT_PHY2\n");
  6013. params->phy[EXT_PHY2].phy_specific_func(
  6014. &params->phy[EXT_PHY2],
  6015. params, DISABLE_TX);
  6016. }
  6017. }
  6018. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6019. vars->duplex = phy_vars[active_external_phy].duplex;
  6020. if (params->phy[active_external_phy].supported &
  6021. SUPPORTED_FIBRE)
  6022. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6023. else
  6024. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6025. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6026. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6027. active_external_phy);
  6028. }
  6029. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6030. phy_index++) {
  6031. if (params->phy[phy_index].flags &
  6032. FLAGS_REARM_LATCH_SIGNAL) {
  6033. bnx2x_rearm_latch_signal(bp, port,
  6034. phy_index ==
  6035. active_external_phy);
  6036. break;
  6037. }
  6038. }
  6039. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6040. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6041. vars->link_status, ext_phy_line_speed);
  6042. /* Upon link speed change set the NIG into drain mode. Comes to
  6043. * deals with possible FIFO glitch due to clk change when speed
  6044. * is decreased without link down indicator
  6045. */
  6046. if (vars->phy_link_up) {
  6047. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6048. (ext_phy_line_speed != vars->line_speed)) {
  6049. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6050. " different than the external"
  6051. " link speed %d\n", vars->line_speed,
  6052. ext_phy_line_speed);
  6053. vars->phy_link_up = 0;
  6054. } else if (prev_line_speed != vars->line_speed) {
  6055. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6056. 0);
  6057. usleep_range(1000, 2000);
  6058. }
  6059. }
  6060. /* Anything 10 and over uses the bmac */
  6061. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6062. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6063. /* In case external phy link is up, and internal link is down
  6064. * (not initialized yet probably after link initialization, it
  6065. * needs to be initialized.
  6066. * Note that after link down-up as result of cable plug, the xgxs
  6067. * link would probably become up again without the need
  6068. * initialize it
  6069. */
  6070. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6071. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6072. " init_preceding = %d\n", ext_phy_link_up,
  6073. vars->phy_link_up,
  6074. params->phy[EXT_PHY1].flags &
  6075. FLAGS_INIT_XGXS_FIRST);
  6076. if (!(params->phy[EXT_PHY1].flags &
  6077. FLAGS_INIT_XGXS_FIRST)
  6078. && ext_phy_link_up && !vars->phy_link_up) {
  6079. vars->line_speed = ext_phy_line_speed;
  6080. if (vars->line_speed < SPEED_1000)
  6081. vars->phy_flags |= PHY_SGMII_FLAG;
  6082. else
  6083. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6084. if (params->phy[INT_PHY].config_init)
  6085. params->phy[INT_PHY].config_init(
  6086. &params->phy[INT_PHY], params,
  6087. vars);
  6088. }
  6089. }
  6090. /* Link is up only if both local phy and external phy (in case of
  6091. * non-direct board) are up and no fault detected on active PHY.
  6092. */
  6093. vars->link_up = (vars->phy_link_up &&
  6094. (ext_phy_link_up ||
  6095. SINGLE_MEDIA_DIRECT(params)) &&
  6096. (phy_vars[active_external_phy].fault_detected == 0));
  6097. /* Update the PFC configuration in case it was changed */
  6098. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6099. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6100. else
  6101. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6102. if (vars->link_up)
  6103. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6104. else
  6105. rc = bnx2x_update_link_down(params, vars);
  6106. /* Update MCP link status was changed */
  6107. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6108. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6109. return rc;
  6110. }
  6111. /*****************************************************************************/
  6112. /* External Phy section */
  6113. /*****************************************************************************/
  6114. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6115. {
  6116. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6117. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6118. usleep_range(1000, 2000);
  6119. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6120. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6121. }
  6122. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6123. u32 spirom_ver, u32 ver_addr)
  6124. {
  6125. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6126. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6127. if (ver_addr)
  6128. REG_WR(bp, ver_addr, spirom_ver);
  6129. }
  6130. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6131. struct bnx2x_phy *phy,
  6132. u8 port)
  6133. {
  6134. u16 fw_ver1, fw_ver2;
  6135. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6136. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6137. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6138. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6139. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6140. phy->ver_addr);
  6141. }
  6142. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6143. struct bnx2x_phy *phy,
  6144. struct link_vars *vars)
  6145. {
  6146. u16 val;
  6147. bnx2x_cl45_read(bp, phy,
  6148. MDIO_AN_DEVAD,
  6149. MDIO_AN_REG_STATUS, &val);
  6150. bnx2x_cl45_read(bp, phy,
  6151. MDIO_AN_DEVAD,
  6152. MDIO_AN_REG_STATUS, &val);
  6153. if (val & (1<<5))
  6154. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6155. if ((val & (1<<0)) == 0)
  6156. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6157. }
  6158. /******************************************************************/
  6159. /* common BCM8073/BCM8727 PHY SECTION */
  6160. /******************************************************************/
  6161. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6162. struct link_params *params,
  6163. struct link_vars *vars)
  6164. {
  6165. struct bnx2x *bp = params->bp;
  6166. if (phy->req_line_speed == SPEED_10 ||
  6167. phy->req_line_speed == SPEED_100) {
  6168. vars->flow_ctrl = phy->req_flow_ctrl;
  6169. return;
  6170. }
  6171. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6172. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6173. u16 pause_result;
  6174. u16 ld_pause; /* local */
  6175. u16 lp_pause; /* link partner */
  6176. bnx2x_cl45_read(bp, phy,
  6177. MDIO_AN_DEVAD,
  6178. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6179. bnx2x_cl45_read(bp, phy,
  6180. MDIO_AN_DEVAD,
  6181. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6182. pause_result = (ld_pause &
  6183. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6184. pause_result |= (lp_pause &
  6185. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6186. bnx2x_pause_resolve(vars, pause_result);
  6187. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6188. pause_result);
  6189. }
  6190. }
  6191. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6192. struct bnx2x_phy *phy,
  6193. u8 port)
  6194. {
  6195. u32 count = 0;
  6196. u16 fw_ver1, fw_msgout;
  6197. int rc = 0;
  6198. /* Boot port from external ROM */
  6199. /* EDC grst */
  6200. bnx2x_cl45_write(bp, phy,
  6201. MDIO_PMA_DEVAD,
  6202. MDIO_PMA_REG_GEN_CTRL,
  6203. 0x0001);
  6204. /* Ucode reboot and rst */
  6205. bnx2x_cl45_write(bp, phy,
  6206. MDIO_PMA_DEVAD,
  6207. MDIO_PMA_REG_GEN_CTRL,
  6208. 0x008c);
  6209. bnx2x_cl45_write(bp, phy,
  6210. MDIO_PMA_DEVAD,
  6211. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6212. /* Reset internal microprocessor */
  6213. bnx2x_cl45_write(bp, phy,
  6214. MDIO_PMA_DEVAD,
  6215. MDIO_PMA_REG_GEN_CTRL,
  6216. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6217. /* Release srst bit */
  6218. bnx2x_cl45_write(bp, phy,
  6219. MDIO_PMA_DEVAD,
  6220. MDIO_PMA_REG_GEN_CTRL,
  6221. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6222. /* Delay 100ms per the PHY specifications */
  6223. msleep(100);
  6224. /* 8073 sometimes taking longer to download */
  6225. do {
  6226. count++;
  6227. if (count > 300) {
  6228. DP(NETIF_MSG_LINK,
  6229. "bnx2x_8073_8727_external_rom_boot port %x:"
  6230. "Download failed. fw version = 0x%x\n",
  6231. port, fw_ver1);
  6232. rc = -EINVAL;
  6233. break;
  6234. }
  6235. bnx2x_cl45_read(bp, phy,
  6236. MDIO_PMA_DEVAD,
  6237. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6238. bnx2x_cl45_read(bp, phy,
  6239. MDIO_PMA_DEVAD,
  6240. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6241. usleep_range(1000, 2000);
  6242. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6243. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6244. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6245. /* Clear ser_boot_ctl bit */
  6246. bnx2x_cl45_write(bp, phy,
  6247. MDIO_PMA_DEVAD,
  6248. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6249. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6250. DP(NETIF_MSG_LINK,
  6251. "bnx2x_8073_8727_external_rom_boot port %x:"
  6252. "Download complete. fw version = 0x%x\n",
  6253. port, fw_ver1);
  6254. return rc;
  6255. }
  6256. /******************************************************************/
  6257. /* BCM8073 PHY SECTION */
  6258. /******************************************************************/
  6259. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6260. {
  6261. /* This is only required for 8073A1, version 102 only */
  6262. u16 val;
  6263. /* Read 8073 HW revision*/
  6264. bnx2x_cl45_read(bp, phy,
  6265. MDIO_PMA_DEVAD,
  6266. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6267. if (val != 1) {
  6268. /* No need to workaround in 8073 A1 */
  6269. return 0;
  6270. }
  6271. bnx2x_cl45_read(bp, phy,
  6272. MDIO_PMA_DEVAD,
  6273. MDIO_PMA_REG_ROM_VER2, &val);
  6274. /* SNR should be applied only for version 0x102 */
  6275. if (val != 0x102)
  6276. return 0;
  6277. return 1;
  6278. }
  6279. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6280. {
  6281. u16 val, cnt, cnt1 ;
  6282. bnx2x_cl45_read(bp, phy,
  6283. MDIO_PMA_DEVAD,
  6284. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6285. if (val > 0) {
  6286. /* No need to workaround in 8073 A1 */
  6287. return 0;
  6288. }
  6289. /* XAUI workaround in 8073 A0: */
  6290. /* After loading the boot ROM and restarting Autoneg, poll
  6291. * Dev1, Reg $C820:
  6292. */
  6293. for (cnt = 0; cnt < 1000; cnt++) {
  6294. bnx2x_cl45_read(bp, phy,
  6295. MDIO_PMA_DEVAD,
  6296. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6297. &val);
  6298. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6299. * system initialization (XAUI work-around not required, as
  6300. * these bits indicate 2.5G or 1G link up).
  6301. */
  6302. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6303. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6304. return 0;
  6305. } else if (!(val & (1<<15))) {
  6306. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6307. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6308. * MSB (bit15) goes to 1 (indicating that the XAUI
  6309. * workaround has completed), then continue on with
  6310. * system initialization.
  6311. */
  6312. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6313. bnx2x_cl45_read(bp, phy,
  6314. MDIO_PMA_DEVAD,
  6315. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6316. if (val & (1<<15)) {
  6317. DP(NETIF_MSG_LINK,
  6318. "XAUI workaround has completed\n");
  6319. return 0;
  6320. }
  6321. usleep_range(3000, 6000);
  6322. }
  6323. break;
  6324. }
  6325. usleep_range(3000, 6000);
  6326. }
  6327. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6328. return -EINVAL;
  6329. }
  6330. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6331. {
  6332. /* Force KR or KX */
  6333. bnx2x_cl45_write(bp, phy,
  6334. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6335. bnx2x_cl45_write(bp, phy,
  6336. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6337. bnx2x_cl45_write(bp, phy,
  6338. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6339. bnx2x_cl45_write(bp, phy,
  6340. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6341. }
  6342. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6343. struct bnx2x_phy *phy,
  6344. struct link_vars *vars)
  6345. {
  6346. u16 cl37_val;
  6347. struct bnx2x *bp = params->bp;
  6348. bnx2x_cl45_read(bp, phy,
  6349. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6350. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6351. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6352. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6353. if ((vars->ieee_fc &
  6354. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6355. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6356. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6357. }
  6358. if ((vars->ieee_fc &
  6359. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6360. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6361. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6362. }
  6363. if ((vars->ieee_fc &
  6364. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6365. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6366. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6367. }
  6368. DP(NETIF_MSG_LINK,
  6369. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6370. bnx2x_cl45_write(bp, phy,
  6371. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6372. msleep(500);
  6373. }
  6374. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6375. struct link_params *params,
  6376. u32 action)
  6377. {
  6378. struct bnx2x *bp = params->bp;
  6379. switch (action) {
  6380. case PHY_INIT:
  6381. /* Enable LASI */
  6382. bnx2x_cl45_write(bp, phy,
  6383. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6384. bnx2x_cl45_write(bp, phy,
  6385. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6386. break;
  6387. }
  6388. }
  6389. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6390. struct link_params *params,
  6391. struct link_vars *vars)
  6392. {
  6393. struct bnx2x *bp = params->bp;
  6394. u16 val = 0, tmp1;
  6395. u8 gpio_port;
  6396. DP(NETIF_MSG_LINK, "Init 8073\n");
  6397. if (CHIP_IS_E2(bp))
  6398. gpio_port = BP_PATH(bp);
  6399. else
  6400. gpio_port = params->port;
  6401. /* Restore normal power mode*/
  6402. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6403. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6404. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6405. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6406. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6407. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6408. bnx2x_cl45_read(bp, phy,
  6409. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6410. bnx2x_cl45_read(bp, phy,
  6411. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6412. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6413. /* Swap polarity if required - Must be done only in non-1G mode */
  6414. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6415. /* Configure the 8073 to swap _P and _N of the KR lines */
  6416. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6417. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6418. bnx2x_cl45_read(bp, phy,
  6419. MDIO_PMA_DEVAD,
  6420. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6421. bnx2x_cl45_write(bp, phy,
  6422. MDIO_PMA_DEVAD,
  6423. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6424. (val | (3<<9)));
  6425. }
  6426. /* Enable CL37 BAM */
  6427. if (REG_RD(bp, params->shmem_base +
  6428. offsetof(struct shmem_region, dev_info.
  6429. port_hw_config[params->port].default_cfg)) &
  6430. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6431. bnx2x_cl45_read(bp, phy,
  6432. MDIO_AN_DEVAD,
  6433. MDIO_AN_REG_8073_BAM, &val);
  6434. bnx2x_cl45_write(bp, phy,
  6435. MDIO_AN_DEVAD,
  6436. MDIO_AN_REG_8073_BAM, val | 1);
  6437. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6438. }
  6439. if (params->loopback_mode == LOOPBACK_EXT) {
  6440. bnx2x_807x_force_10G(bp, phy);
  6441. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6442. return 0;
  6443. } else {
  6444. bnx2x_cl45_write(bp, phy,
  6445. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6446. }
  6447. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6448. if (phy->req_line_speed == SPEED_10000) {
  6449. val = (1<<7);
  6450. } else if (phy->req_line_speed == SPEED_2500) {
  6451. val = (1<<5);
  6452. /* Note that 2.5G works only when used with 1G
  6453. * advertisement
  6454. */
  6455. } else
  6456. val = (1<<5);
  6457. } else {
  6458. val = 0;
  6459. if (phy->speed_cap_mask &
  6460. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6461. val |= (1<<7);
  6462. /* Note that 2.5G works only when used with 1G advertisement */
  6463. if (phy->speed_cap_mask &
  6464. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6465. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6466. val |= (1<<5);
  6467. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6468. }
  6469. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6470. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6471. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6472. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6473. (phy->req_line_speed == SPEED_2500)) {
  6474. u16 phy_ver;
  6475. /* Allow 2.5G for A1 and above */
  6476. bnx2x_cl45_read(bp, phy,
  6477. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6478. &phy_ver);
  6479. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6480. if (phy_ver > 0)
  6481. tmp1 |= 1;
  6482. else
  6483. tmp1 &= 0xfffe;
  6484. } else {
  6485. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6486. tmp1 &= 0xfffe;
  6487. }
  6488. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6489. /* Add support for CL37 (passive mode) II */
  6490. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6491. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6492. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6493. 0x20 : 0x40)));
  6494. /* Add support for CL37 (passive mode) III */
  6495. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6496. /* The SNR will improve about 2db by changing BW and FEE main
  6497. * tap. Rest commands are executed after link is up
  6498. * Change FFE main cursor to 5 in EDC register
  6499. */
  6500. if (bnx2x_8073_is_snr_needed(bp, phy))
  6501. bnx2x_cl45_write(bp, phy,
  6502. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6503. 0xFB0C);
  6504. /* Enable FEC (Forware Error Correction) Request in the AN */
  6505. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6506. tmp1 |= (1<<15);
  6507. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6508. bnx2x_ext_phy_set_pause(params, phy, vars);
  6509. /* Restart autoneg */
  6510. msleep(500);
  6511. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6512. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6513. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6514. return 0;
  6515. }
  6516. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6517. struct link_params *params,
  6518. struct link_vars *vars)
  6519. {
  6520. struct bnx2x *bp = params->bp;
  6521. u8 link_up = 0;
  6522. u16 val1, val2;
  6523. u16 link_status = 0;
  6524. u16 an1000_status = 0;
  6525. bnx2x_cl45_read(bp, phy,
  6526. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6527. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6528. /* Clear the interrupt LASI status register */
  6529. bnx2x_cl45_read(bp, phy,
  6530. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6531. bnx2x_cl45_read(bp, phy,
  6532. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6533. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6534. /* Clear MSG-OUT */
  6535. bnx2x_cl45_read(bp, phy,
  6536. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6537. /* Check the LASI */
  6538. bnx2x_cl45_read(bp, phy,
  6539. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6540. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6541. /* Check the link status */
  6542. bnx2x_cl45_read(bp, phy,
  6543. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6544. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6545. bnx2x_cl45_read(bp, phy,
  6546. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6547. bnx2x_cl45_read(bp, phy,
  6548. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6549. link_up = ((val1 & 4) == 4);
  6550. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6551. if (link_up &&
  6552. ((phy->req_line_speed != SPEED_10000))) {
  6553. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6554. return 0;
  6555. }
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6558. bnx2x_cl45_read(bp, phy,
  6559. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6560. /* Check the link status on 1.1.2 */
  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. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6566. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6567. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6568. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6569. /* The SNR will improve about 2dbby changing the BW and FEE main
  6570. * tap. The 1st write to change FFE main tap is set before
  6571. * restart AN. Change PLL Bandwidth in EDC register
  6572. */
  6573. bnx2x_cl45_write(bp, phy,
  6574. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6575. 0x26BC);
  6576. /* Change CDR Bandwidth in EDC register */
  6577. bnx2x_cl45_write(bp, phy,
  6578. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6579. 0x0333);
  6580. }
  6581. bnx2x_cl45_read(bp, phy,
  6582. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6583. &link_status);
  6584. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6585. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6586. link_up = 1;
  6587. vars->line_speed = SPEED_10000;
  6588. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6589. params->port);
  6590. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6591. link_up = 1;
  6592. vars->line_speed = SPEED_2500;
  6593. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6594. params->port);
  6595. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6596. link_up = 1;
  6597. vars->line_speed = SPEED_1000;
  6598. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6599. params->port);
  6600. } else {
  6601. link_up = 0;
  6602. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6603. params->port);
  6604. }
  6605. if (link_up) {
  6606. /* Swap polarity if required */
  6607. if (params->lane_config &
  6608. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6609. /* Configure the 8073 to swap P and N of the KR lines */
  6610. bnx2x_cl45_read(bp, phy,
  6611. MDIO_XS_DEVAD,
  6612. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6613. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6614. * when it`s in 10G mode.
  6615. */
  6616. if (vars->line_speed == SPEED_1000) {
  6617. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6618. "the 8073\n");
  6619. val1 |= (1<<3);
  6620. } else
  6621. val1 &= ~(1<<3);
  6622. bnx2x_cl45_write(bp, phy,
  6623. MDIO_XS_DEVAD,
  6624. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6625. val1);
  6626. }
  6627. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6628. bnx2x_8073_resolve_fc(phy, params, vars);
  6629. vars->duplex = DUPLEX_FULL;
  6630. }
  6631. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6632. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6633. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6634. if (val1 & (1<<5))
  6635. vars->link_status |=
  6636. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6637. if (val1 & (1<<7))
  6638. vars->link_status |=
  6639. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6640. }
  6641. return link_up;
  6642. }
  6643. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6644. struct link_params *params)
  6645. {
  6646. struct bnx2x *bp = params->bp;
  6647. u8 gpio_port;
  6648. if (CHIP_IS_E2(bp))
  6649. gpio_port = BP_PATH(bp);
  6650. else
  6651. gpio_port = params->port;
  6652. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6653. gpio_port);
  6654. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6655. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6656. gpio_port);
  6657. }
  6658. /******************************************************************/
  6659. /* BCM8705 PHY SECTION */
  6660. /******************************************************************/
  6661. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6662. struct link_params *params,
  6663. struct link_vars *vars)
  6664. {
  6665. struct bnx2x *bp = params->bp;
  6666. DP(NETIF_MSG_LINK, "init 8705\n");
  6667. /* Restore normal power mode*/
  6668. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6669. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6670. /* HW reset */
  6671. bnx2x_ext_phy_hw_reset(bp, params->port);
  6672. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6673. bnx2x_wait_reset_complete(bp, phy, params);
  6674. bnx2x_cl45_write(bp, phy,
  6675. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6676. bnx2x_cl45_write(bp, phy,
  6677. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6678. bnx2x_cl45_write(bp, phy,
  6679. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6680. bnx2x_cl45_write(bp, phy,
  6681. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6682. /* BCM8705 doesn't have microcode, hence the 0 */
  6683. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6684. return 0;
  6685. }
  6686. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6687. struct link_params *params,
  6688. struct link_vars *vars)
  6689. {
  6690. u8 link_up = 0;
  6691. u16 val1, rx_sd;
  6692. struct bnx2x *bp = params->bp;
  6693. DP(NETIF_MSG_LINK, "read status 8705\n");
  6694. bnx2x_cl45_read(bp, phy,
  6695. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6696. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6697. bnx2x_cl45_read(bp, phy,
  6698. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6699. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6700. bnx2x_cl45_read(bp, phy,
  6701. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6702. bnx2x_cl45_read(bp, phy,
  6703. MDIO_PMA_DEVAD, 0xc809, &val1);
  6704. bnx2x_cl45_read(bp, phy,
  6705. MDIO_PMA_DEVAD, 0xc809, &val1);
  6706. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6707. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6708. if (link_up) {
  6709. vars->line_speed = SPEED_10000;
  6710. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6711. }
  6712. return link_up;
  6713. }
  6714. /******************************************************************/
  6715. /* SFP+ module Section */
  6716. /******************************************************************/
  6717. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6718. struct bnx2x_phy *phy,
  6719. u8 pmd_dis)
  6720. {
  6721. struct bnx2x *bp = params->bp;
  6722. /* Disable transmitter only for bootcodes which can enable it afterwards
  6723. * (for D3 link)
  6724. */
  6725. if (pmd_dis) {
  6726. if (params->feature_config_flags &
  6727. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6728. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6729. else {
  6730. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6731. return;
  6732. }
  6733. } else
  6734. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6735. bnx2x_cl45_write(bp, phy,
  6736. MDIO_PMA_DEVAD,
  6737. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6738. }
  6739. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6740. {
  6741. u8 gpio_port;
  6742. u32 swap_val, swap_override;
  6743. struct bnx2x *bp = params->bp;
  6744. if (CHIP_IS_E2(bp))
  6745. gpio_port = BP_PATH(bp);
  6746. else
  6747. gpio_port = params->port;
  6748. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6749. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6750. return gpio_port ^ (swap_val && swap_override);
  6751. }
  6752. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6753. struct bnx2x_phy *phy,
  6754. u8 tx_en)
  6755. {
  6756. u16 val;
  6757. u8 port = params->port;
  6758. struct bnx2x *bp = params->bp;
  6759. u32 tx_en_mode;
  6760. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6761. tx_en_mode = REG_RD(bp, params->shmem_base +
  6762. offsetof(struct shmem_region,
  6763. dev_info.port_hw_config[port].sfp_ctrl)) &
  6764. PORT_HW_CFG_TX_LASER_MASK;
  6765. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6766. "mode = %x\n", tx_en, port, tx_en_mode);
  6767. switch (tx_en_mode) {
  6768. case PORT_HW_CFG_TX_LASER_MDIO:
  6769. bnx2x_cl45_read(bp, phy,
  6770. MDIO_PMA_DEVAD,
  6771. MDIO_PMA_REG_PHY_IDENTIFIER,
  6772. &val);
  6773. if (tx_en)
  6774. val &= ~(1<<15);
  6775. else
  6776. val |= (1<<15);
  6777. bnx2x_cl45_write(bp, phy,
  6778. MDIO_PMA_DEVAD,
  6779. MDIO_PMA_REG_PHY_IDENTIFIER,
  6780. val);
  6781. break;
  6782. case PORT_HW_CFG_TX_LASER_GPIO0:
  6783. case PORT_HW_CFG_TX_LASER_GPIO1:
  6784. case PORT_HW_CFG_TX_LASER_GPIO2:
  6785. case PORT_HW_CFG_TX_LASER_GPIO3:
  6786. {
  6787. u16 gpio_pin;
  6788. u8 gpio_port, gpio_mode;
  6789. if (tx_en)
  6790. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6791. else
  6792. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6793. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6794. gpio_port = bnx2x_get_gpio_port(params);
  6795. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6796. break;
  6797. }
  6798. default:
  6799. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6800. break;
  6801. }
  6802. }
  6803. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6804. struct bnx2x_phy *phy,
  6805. u8 tx_en)
  6806. {
  6807. struct bnx2x *bp = params->bp;
  6808. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6809. if (CHIP_IS_E3(bp))
  6810. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6811. else
  6812. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6813. }
  6814. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6815. struct link_params *params,
  6816. u16 addr, u8 byte_cnt, u8 *o_buf)
  6817. {
  6818. struct bnx2x *bp = params->bp;
  6819. u16 val = 0;
  6820. u16 i;
  6821. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6822. DP(NETIF_MSG_LINK,
  6823. "Reading from eeprom is limited to 0xf\n");
  6824. return -EINVAL;
  6825. }
  6826. /* Set the read command byte count */
  6827. bnx2x_cl45_write(bp, phy,
  6828. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6829. (byte_cnt | 0xa000));
  6830. /* Set the read command address */
  6831. bnx2x_cl45_write(bp, phy,
  6832. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6833. addr);
  6834. /* Activate read command */
  6835. bnx2x_cl45_write(bp, phy,
  6836. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6837. 0x2c0f);
  6838. /* Wait up to 500us for command complete status */
  6839. for (i = 0; i < 100; i++) {
  6840. bnx2x_cl45_read(bp, phy,
  6841. MDIO_PMA_DEVAD,
  6842. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6843. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6844. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6845. break;
  6846. udelay(5);
  6847. }
  6848. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6849. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6850. DP(NETIF_MSG_LINK,
  6851. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6852. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6853. return -EINVAL;
  6854. }
  6855. /* Read the buffer */
  6856. for (i = 0; i < byte_cnt; i++) {
  6857. bnx2x_cl45_read(bp, phy,
  6858. MDIO_PMA_DEVAD,
  6859. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6860. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6861. }
  6862. for (i = 0; i < 100; i++) {
  6863. bnx2x_cl45_read(bp, phy,
  6864. MDIO_PMA_DEVAD,
  6865. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6866. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6867. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6868. return 0;
  6869. usleep_range(1000, 2000);
  6870. }
  6871. return -EINVAL;
  6872. }
  6873. static void bnx2x_warpcore_power_module(struct link_params *params,
  6874. u8 power)
  6875. {
  6876. u32 pin_cfg;
  6877. struct bnx2x *bp = params->bp;
  6878. pin_cfg = (REG_RD(bp, params->shmem_base +
  6879. offsetof(struct shmem_region,
  6880. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6881. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6882. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6883. if (pin_cfg == PIN_CFG_NA)
  6884. return;
  6885. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6886. power, pin_cfg);
  6887. /* Low ==> corresponding SFP+ module is powered
  6888. * high ==> the SFP+ module is powered down
  6889. */
  6890. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6891. }
  6892. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6893. struct link_params *params,
  6894. u16 addr, u8 byte_cnt,
  6895. u8 *o_buf, u8 is_init)
  6896. {
  6897. int rc = 0;
  6898. u8 i, j = 0, cnt = 0;
  6899. u32 data_array[4];
  6900. u16 addr32;
  6901. struct bnx2x *bp = params->bp;
  6902. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6903. DP(NETIF_MSG_LINK,
  6904. "Reading from eeprom is limited to 16 bytes\n");
  6905. return -EINVAL;
  6906. }
  6907. /* 4 byte aligned address */
  6908. addr32 = addr & (~0x3);
  6909. do {
  6910. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6911. bnx2x_warpcore_power_module(params, 0);
  6912. /* Note that 100us are not enough here */
  6913. usleep_range(1000, 2000);
  6914. bnx2x_warpcore_power_module(params, 1);
  6915. }
  6916. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6917. data_array);
  6918. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6919. if (rc == 0) {
  6920. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6921. o_buf[j] = *((u8 *)data_array + i);
  6922. j++;
  6923. }
  6924. }
  6925. return rc;
  6926. }
  6927. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6928. struct link_params *params,
  6929. u16 addr, u8 byte_cnt, u8 *o_buf)
  6930. {
  6931. struct bnx2x *bp = params->bp;
  6932. u16 val, i;
  6933. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6934. DP(NETIF_MSG_LINK,
  6935. "Reading from eeprom is limited to 0xf\n");
  6936. return -EINVAL;
  6937. }
  6938. /* Need to read from 1.8000 to clear it */
  6939. bnx2x_cl45_read(bp, phy,
  6940. MDIO_PMA_DEVAD,
  6941. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6942. &val);
  6943. /* Set the read command byte count */
  6944. bnx2x_cl45_write(bp, phy,
  6945. MDIO_PMA_DEVAD,
  6946. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6947. ((byte_cnt < 2) ? 2 : byte_cnt));
  6948. /* Set the read command address */
  6949. bnx2x_cl45_write(bp, phy,
  6950. MDIO_PMA_DEVAD,
  6951. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6952. addr);
  6953. /* Set the destination address */
  6954. bnx2x_cl45_write(bp, phy,
  6955. MDIO_PMA_DEVAD,
  6956. 0x8004,
  6957. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6958. /* Activate read command */
  6959. bnx2x_cl45_write(bp, phy,
  6960. MDIO_PMA_DEVAD,
  6961. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6962. 0x8002);
  6963. /* Wait appropriate time for two-wire command to finish before
  6964. * polling the status register
  6965. */
  6966. usleep_range(1000, 2000);
  6967. /* Wait up to 500us for command complete status */
  6968. for (i = 0; i < 100; i++) {
  6969. bnx2x_cl45_read(bp, phy,
  6970. MDIO_PMA_DEVAD,
  6971. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6972. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6973. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6974. break;
  6975. udelay(5);
  6976. }
  6977. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6978. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6979. DP(NETIF_MSG_LINK,
  6980. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6981. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6982. return -EFAULT;
  6983. }
  6984. /* Read the buffer */
  6985. for (i = 0; i < byte_cnt; i++) {
  6986. bnx2x_cl45_read(bp, phy,
  6987. MDIO_PMA_DEVAD,
  6988. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6989. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6990. }
  6991. for (i = 0; i < 100; i++) {
  6992. bnx2x_cl45_read(bp, phy,
  6993. MDIO_PMA_DEVAD,
  6994. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6995. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6996. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6997. return 0;
  6998. usleep_range(1000, 2000);
  6999. }
  7000. return -EINVAL;
  7001. }
  7002. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7003. struct link_params *params, u16 addr,
  7004. u8 byte_cnt, u8 *o_buf)
  7005. {
  7006. int rc = -EOPNOTSUPP;
  7007. switch (phy->type) {
  7008. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7009. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  7010. byte_cnt, o_buf);
  7011. break;
  7012. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7013. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7014. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  7015. byte_cnt, o_buf);
  7016. break;
  7017. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7018. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  7019. byte_cnt, o_buf, 0);
  7020. break;
  7021. }
  7022. return rc;
  7023. }
  7024. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7025. struct link_params *params,
  7026. u16 *edc_mode)
  7027. {
  7028. struct bnx2x *bp = params->bp;
  7029. u32 sync_offset = 0, phy_idx, media_types;
  7030. u8 gport, val[2], check_limiting_mode = 0;
  7031. *edc_mode = EDC_MODE_LIMITING;
  7032. phy->media_type = ETH_PHY_UNSPECIFIED;
  7033. /* First check for copper cable */
  7034. if (bnx2x_read_sfp_module_eeprom(phy,
  7035. params,
  7036. SFP_EEPROM_CON_TYPE_ADDR,
  7037. 2,
  7038. (u8 *)val) != 0) {
  7039. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7040. return -EINVAL;
  7041. }
  7042. switch (val[0]) {
  7043. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7044. {
  7045. u8 copper_module_type;
  7046. phy->media_type = ETH_PHY_DA_TWINAX;
  7047. /* Check if its active cable (includes SFP+ module)
  7048. * of passive cable
  7049. */
  7050. if (bnx2x_read_sfp_module_eeprom(phy,
  7051. params,
  7052. SFP_EEPROM_FC_TX_TECH_ADDR,
  7053. 1,
  7054. &copper_module_type) != 0) {
  7055. DP(NETIF_MSG_LINK,
  7056. "Failed to read copper-cable-type"
  7057. " from SFP+ EEPROM\n");
  7058. return -EINVAL;
  7059. }
  7060. if (copper_module_type &
  7061. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7062. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7063. check_limiting_mode = 1;
  7064. } else if (copper_module_type &
  7065. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7066. DP(NETIF_MSG_LINK,
  7067. "Passive Copper cable detected\n");
  7068. *edc_mode =
  7069. EDC_MODE_PASSIVE_DAC;
  7070. } else {
  7071. DP(NETIF_MSG_LINK,
  7072. "Unknown copper-cable-type 0x%x !!!\n",
  7073. copper_module_type);
  7074. return -EINVAL;
  7075. }
  7076. break;
  7077. }
  7078. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7079. check_limiting_mode = 1;
  7080. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7081. SFP_EEPROM_COMP_CODE_LR_MASK |
  7082. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7083. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7084. gport = params->port;
  7085. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7086. phy->req_line_speed = SPEED_1000;
  7087. if (!CHIP_IS_E1x(bp))
  7088. gport = BP_PATH(bp) + (params->port << 1);
  7089. netdev_err(bp->dev, "Warning: Link speed was forced to 1000Mbps."
  7090. " Current SFP module in port %d is not"
  7091. " compliant with 10G Ethernet\n",
  7092. gport);
  7093. } else {
  7094. int idx, cfg_idx = 0;
  7095. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7096. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7097. if (params->phy[idx].type == phy->type) {
  7098. cfg_idx = LINK_CONFIG_IDX(idx);
  7099. break;
  7100. }
  7101. }
  7102. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7103. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7104. }
  7105. break;
  7106. default:
  7107. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7108. val[0]);
  7109. return -EINVAL;
  7110. }
  7111. sync_offset = params->shmem_base +
  7112. offsetof(struct shmem_region,
  7113. dev_info.port_hw_config[params->port].media_type);
  7114. media_types = REG_RD(bp, sync_offset);
  7115. /* Update media type for non-PMF sync */
  7116. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7117. if (&(params->phy[phy_idx]) == phy) {
  7118. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7119. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7120. media_types |= ((phy->media_type &
  7121. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7122. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7123. break;
  7124. }
  7125. }
  7126. REG_WR(bp, sync_offset, media_types);
  7127. if (check_limiting_mode) {
  7128. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7129. if (bnx2x_read_sfp_module_eeprom(phy,
  7130. params,
  7131. SFP_EEPROM_OPTIONS_ADDR,
  7132. SFP_EEPROM_OPTIONS_SIZE,
  7133. options) != 0) {
  7134. DP(NETIF_MSG_LINK,
  7135. "Failed to read Option field from module EEPROM\n");
  7136. return -EINVAL;
  7137. }
  7138. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7139. *edc_mode = EDC_MODE_LINEAR;
  7140. else
  7141. *edc_mode = EDC_MODE_LIMITING;
  7142. }
  7143. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7144. return 0;
  7145. }
  7146. /* This function read the relevant field from the module (SFP+), and verify it
  7147. * is compliant with this board
  7148. */
  7149. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7150. struct link_params *params)
  7151. {
  7152. struct bnx2x *bp = params->bp;
  7153. u32 val, cmd;
  7154. u32 fw_resp, fw_cmd_param;
  7155. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7156. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7157. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7158. val = REG_RD(bp, params->shmem_base +
  7159. offsetof(struct shmem_region, dev_info.
  7160. port_feature_config[params->port].config));
  7161. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7162. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7163. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7164. return 0;
  7165. }
  7166. if (params->feature_config_flags &
  7167. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7168. /* Use specific phy request */
  7169. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7170. } else if (params->feature_config_flags &
  7171. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7172. /* Use first phy request only in case of non-dual media*/
  7173. if (DUAL_MEDIA(params)) {
  7174. DP(NETIF_MSG_LINK,
  7175. "FW does not support OPT MDL verification\n");
  7176. return -EINVAL;
  7177. }
  7178. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7179. } else {
  7180. /* No support in OPT MDL detection */
  7181. DP(NETIF_MSG_LINK,
  7182. "FW does not support OPT MDL verification\n");
  7183. return -EINVAL;
  7184. }
  7185. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7186. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7187. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7188. DP(NETIF_MSG_LINK, "Approved module\n");
  7189. return 0;
  7190. }
  7191. /* Format the warning message */
  7192. if (bnx2x_read_sfp_module_eeprom(phy,
  7193. params,
  7194. SFP_EEPROM_VENDOR_NAME_ADDR,
  7195. SFP_EEPROM_VENDOR_NAME_SIZE,
  7196. (u8 *)vendor_name))
  7197. vendor_name[0] = '\0';
  7198. else
  7199. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7200. if (bnx2x_read_sfp_module_eeprom(phy,
  7201. params,
  7202. SFP_EEPROM_PART_NO_ADDR,
  7203. SFP_EEPROM_PART_NO_SIZE,
  7204. (u8 *)vendor_pn))
  7205. vendor_pn[0] = '\0';
  7206. else
  7207. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7208. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7209. " Port %d from %s part number %s\n",
  7210. params->port, vendor_name, vendor_pn);
  7211. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7212. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7213. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7214. return -EINVAL;
  7215. }
  7216. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7217. struct link_params *params)
  7218. {
  7219. u8 val;
  7220. int rc;
  7221. struct bnx2x *bp = params->bp;
  7222. u16 timeout;
  7223. /* Initialization time after hot-plug may take up to 300ms for
  7224. * some phys type ( e.g. JDSU )
  7225. */
  7226. for (timeout = 0; timeout < 60; timeout++) {
  7227. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7228. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
  7229. params, 1,
  7230. 1, &val, 1);
  7231. else
  7232. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
  7233. &val);
  7234. if (rc == 0) {
  7235. DP(NETIF_MSG_LINK,
  7236. "SFP+ module initialization took %d ms\n",
  7237. timeout * 5);
  7238. return 0;
  7239. }
  7240. usleep_range(5000, 10000);
  7241. }
  7242. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
  7243. return rc;
  7244. }
  7245. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7246. struct bnx2x_phy *phy,
  7247. u8 is_power_up) {
  7248. /* Make sure GPIOs are not using for LED mode */
  7249. u16 val;
  7250. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7251. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7252. * output
  7253. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7254. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7255. * where the 1st bit is the over-current(only input), and 2nd bit is
  7256. * for power( only output )
  7257. *
  7258. * In case of NOC feature is disabled and power is up, set GPIO control
  7259. * as input to enable listening of over-current indication
  7260. */
  7261. if (phy->flags & FLAGS_NOC)
  7262. return;
  7263. if (is_power_up)
  7264. val = (1<<4);
  7265. else
  7266. /* Set GPIO control to OUTPUT, and set the power bit
  7267. * to according to the is_power_up
  7268. */
  7269. val = (1<<1);
  7270. bnx2x_cl45_write(bp, phy,
  7271. MDIO_PMA_DEVAD,
  7272. MDIO_PMA_REG_8727_GPIO_CTRL,
  7273. val);
  7274. }
  7275. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7276. struct bnx2x_phy *phy,
  7277. u16 edc_mode)
  7278. {
  7279. u16 cur_limiting_mode;
  7280. bnx2x_cl45_read(bp, phy,
  7281. MDIO_PMA_DEVAD,
  7282. MDIO_PMA_REG_ROM_VER2,
  7283. &cur_limiting_mode);
  7284. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7285. cur_limiting_mode);
  7286. if (edc_mode == EDC_MODE_LIMITING) {
  7287. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7288. bnx2x_cl45_write(bp, phy,
  7289. MDIO_PMA_DEVAD,
  7290. MDIO_PMA_REG_ROM_VER2,
  7291. EDC_MODE_LIMITING);
  7292. } else { /* LRM mode ( default )*/
  7293. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7294. /* Changing to LRM mode takes quite few seconds. So do it only
  7295. * if current mode is limiting (default is LRM)
  7296. */
  7297. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7298. return 0;
  7299. bnx2x_cl45_write(bp, phy,
  7300. MDIO_PMA_DEVAD,
  7301. MDIO_PMA_REG_LRM_MODE,
  7302. 0);
  7303. bnx2x_cl45_write(bp, phy,
  7304. MDIO_PMA_DEVAD,
  7305. MDIO_PMA_REG_ROM_VER2,
  7306. 0x128);
  7307. bnx2x_cl45_write(bp, phy,
  7308. MDIO_PMA_DEVAD,
  7309. MDIO_PMA_REG_MISC_CTRL0,
  7310. 0x4008);
  7311. bnx2x_cl45_write(bp, phy,
  7312. MDIO_PMA_DEVAD,
  7313. MDIO_PMA_REG_LRM_MODE,
  7314. 0xaaaa);
  7315. }
  7316. return 0;
  7317. }
  7318. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7319. struct bnx2x_phy *phy,
  7320. u16 edc_mode)
  7321. {
  7322. u16 phy_identifier;
  7323. u16 rom_ver2_val;
  7324. bnx2x_cl45_read(bp, phy,
  7325. MDIO_PMA_DEVAD,
  7326. MDIO_PMA_REG_PHY_IDENTIFIER,
  7327. &phy_identifier);
  7328. bnx2x_cl45_write(bp, phy,
  7329. MDIO_PMA_DEVAD,
  7330. MDIO_PMA_REG_PHY_IDENTIFIER,
  7331. (phy_identifier & ~(1<<9)));
  7332. bnx2x_cl45_read(bp, phy,
  7333. MDIO_PMA_DEVAD,
  7334. MDIO_PMA_REG_ROM_VER2,
  7335. &rom_ver2_val);
  7336. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7337. bnx2x_cl45_write(bp, phy,
  7338. MDIO_PMA_DEVAD,
  7339. MDIO_PMA_REG_ROM_VER2,
  7340. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7341. bnx2x_cl45_write(bp, phy,
  7342. MDIO_PMA_DEVAD,
  7343. MDIO_PMA_REG_PHY_IDENTIFIER,
  7344. (phy_identifier | (1<<9)));
  7345. return 0;
  7346. }
  7347. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7348. struct link_params *params,
  7349. u32 action)
  7350. {
  7351. struct bnx2x *bp = params->bp;
  7352. u16 val;
  7353. switch (action) {
  7354. case DISABLE_TX:
  7355. bnx2x_sfp_set_transmitter(params, phy, 0);
  7356. break;
  7357. case ENABLE_TX:
  7358. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7359. bnx2x_sfp_set_transmitter(params, phy, 1);
  7360. break;
  7361. case PHY_INIT:
  7362. bnx2x_cl45_write(bp, phy,
  7363. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7364. (1<<2) | (1<<5));
  7365. bnx2x_cl45_write(bp, phy,
  7366. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7367. 0);
  7368. bnx2x_cl45_write(bp, phy,
  7369. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7370. /* Make MOD_ABS give interrupt on change */
  7371. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7372. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7373. &val);
  7374. val |= (1<<12);
  7375. if (phy->flags & FLAGS_NOC)
  7376. val |= (3<<5);
  7377. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7378. * status which reflect SFP+ module over-current
  7379. */
  7380. if (!(phy->flags & FLAGS_NOC))
  7381. val &= 0xff8f; /* Reset bits 4-6 */
  7382. bnx2x_cl45_write(bp, phy,
  7383. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7384. val);
  7385. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7386. * to 100Khz since some DACs(direct attached cables) do
  7387. * not work at 400Khz.
  7388. */
  7389. bnx2x_cl45_write(bp, phy,
  7390. MDIO_PMA_DEVAD,
  7391. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7392. 0xa001);
  7393. break;
  7394. default:
  7395. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7396. action);
  7397. return;
  7398. }
  7399. }
  7400. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7401. u8 gpio_mode)
  7402. {
  7403. struct bnx2x *bp = params->bp;
  7404. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7405. offsetof(struct shmem_region,
  7406. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7407. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7408. switch (fault_led_gpio) {
  7409. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7410. return;
  7411. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7412. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7413. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7414. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7415. {
  7416. u8 gpio_port = bnx2x_get_gpio_port(params);
  7417. u16 gpio_pin = fault_led_gpio -
  7418. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7419. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7420. "pin %x port %x mode %x\n",
  7421. gpio_pin, gpio_port, gpio_mode);
  7422. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7423. }
  7424. break;
  7425. default:
  7426. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7427. fault_led_gpio);
  7428. }
  7429. }
  7430. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7431. u8 gpio_mode)
  7432. {
  7433. u32 pin_cfg;
  7434. u8 port = params->port;
  7435. struct bnx2x *bp = params->bp;
  7436. pin_cfg = (REG_RD(bp, params->shmem_base +
  7437. offsetof(struct shmem_region,
  7438. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7439. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7440. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7441. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7442. gpio_mode, pin_cfg);
  7443. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7444. }
  7445. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7446. u8 gpio_mode)
  7447. {
  7448. struct bnx2x *bp = params->bp;
  7449. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7450. if (CHIP_IS_E3(bp)) {
  7451. /* Low ==> if SFP+ module is supported otherwise
  7452. * High ==> if SFP+ module is not on the approved vendor list
  7453. */
  7454. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7455. } else
  7456. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7457. }
  7458. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7459. struct link_params *params)
  7460. {
  7461. struct bnx2x *bp = params->bp;
  7462. bnx2x_warpcore_power_module(params, 0);
  7463. /* Put Warpcore in low power mode */
  7464. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7465. /* Put LCPLL in low power mode */
  7466. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7467. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7468. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7469. }
  7470. static void bnx2x_power_sfp_module(struct link_params *params,
  7471. struct bnx2x_phy *phy,
  7472. u8 power)
  7473. {
  7474. struct bnx2x *bp = params->bp;
  7475. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7476. switch (phy->type) {
  7477. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7478. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7479. bnx2x_8727_power_module(params->bp, phy, power);
  7480. break;
  7481. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7482. bnx2x_warpcore_power_module(params, power);
  7483. break;
  7484. default:
  7485. break;
  7486. }
  7487. }
  7488. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7489. struct bnx2x_phy *phy,
  7490. u16 edc_mode)
  7491. {
  7492. u16 val = 0;
  7493. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7494. struct bnx2x *bp = params->bp;
  7495. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7496. /* This is a global register which controls all lanes */
  7497. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7498. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7499. val &= ~(0xf << (lane << 2));
  7500. switch (edc_mode) {
  7501. case EDC_MODE_LINEAR:
  7502. case EDC_MODE_LIMITING:
  7503. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7504. break;
  7505. case EDC_MODE_PASSIVE_DAC:
  7506. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7507. break;
  7508. default:
  7509. break;
  7510. }
  7511. val |= (mode << (lane << 2));
  7512. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7513. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7514. /* A must read */
  7515. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7516. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7517. /* Restart microcode to re-read the new mode */
  7518. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7519. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7520. }
  7521. static void bnx2x_set_limiting_mode(struct link_params *params,
  7522. struct bnx2x_phy *phy,
  7523. u16 edc_mode)
  7524. {
  7525. switch (phy->type) {
  7526. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7527. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7528. break;
  7529. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7530. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7531. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7532. break;
  7533. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7534. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7535. break;
  7536. }
  7537. }
  7538. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7539. struct link_params *params)
  7540. {
  7541. struct bnx2x *bp = params->bp;
  7542. u16 edc_mode;
  7543. int rc = 0;
  7544. u32 val = REG_RD(bp, params->shmem_base +
  7545. offsetof(struct shmem_region, dev_info.
  7546. port_feature_config[params->port].config));
  7547. /* Enabled transmitter by default */
  7548. bnx2x_sfp_set_transmitter(params, phy, 1);
  7549. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7550. params->port);
  7551. /* Power up module */
  7552. bnx2x_power_sfp_module(params, phy, 1);
  7553. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7554. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7555. return -EINVAL;
  7556. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7557. /* Check SFP+ module compatibility */
  7558. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7559. rc = -EINVAL;
  7560. /* Turn on fault module-detected led */
  7561. bnx2x_set_sfp_module_fault_led(params,
  7562. MISC_REGISTERS_GPIO_HIGH);
  7563. /* Check if need to power down the SFP+ module */
  7564. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7565. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7566. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7567. bnx2x_power_sfp_module(params, phy, 0);
  7568. return rc;
  7569. }
  7570. } else {
  7571. /* Turn off fault module-detected led */
  7572. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7573. }
  7574. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7575. * is done automatically
  7576. */
  7577. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7578. /* Disable transmit for this module if the module is not approved, and
  7579. * laser needs to be disabled.
  7580. */
  7581. if ((rc) &&
  7582. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7583. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7584. bnx2x_sfp_set_transmitter(params, phy, 0);
  7585. return rc;
  7586. }
  7587. void bnx2x_handle_module_detect_int(struct link_params *params)
  7588. {
  7589. struct bnx2x *bp = params->bp;
  7590. struct bnx2x_phy *phy;
  7591. u32 gpio_val;
  7592. u8 gpio_num, gpio_port;
  7593. if (CHIP_IS_E3(bp)) {
  7594. phy = &params->phy[INT_PHY];
  7595. /* Always enable TX laser,will be disabled in case of fault */
  7596. bnx2x_sfp_set_transmitter(params, phy, 1);
  7597. } else {
  7598. phy = &params->phy[EXT_PHY1];
  7599. }
  7600. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7601. params->port, &gpio_num, &gpio_port) ==
  7602. -EINVAL) {
  7603. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7604. return;
  7605. }
  7606. /* Set valid module led off */
  7607. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7608. /* Get current gpio val reflecting module plugged in / out*/
  7609. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7610. /* Call the handling function in case module is detected */
  7611. if (gpio_val == 0) {
  7612. bnx2x_set_mdio_emac_per_phy(bp, params);
  7613. bnx2x_set_aer_mmd(params, phy);
  7614. bnx2x_power_sfp_module(params, phy, 1);
  7615. bnx2x_set_gpio_int(bp, gpio_num,
  7616. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7617. gpio_port);
  7618. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7619. bnx2x_sfp_module_detection(phy, params);
  7620. if (CHIP_IS_E3(bp)) {
  7621. u16 rx_tx_in_reset;
  7622. /* In case WC is out of reset, reconfigure the
  7623. * link speed while taking into account 1G
  7624. * module limitation.
  7625. */
  7626. bnx2x_cl45_read(bp, phy,
  7627. MDIO_WC_DEVAD,
  7628. MDIO_WC_REG_DIGITAL5_MISC6,
  7629. &rx_tx_in_reset);
  7630. if (!rx_tx_in_reset) {
  7631. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7632. bnx2x_warpcore_config_sfi(phy, params);
  7633. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7634. }
  7635. }
  7636. } else {
  7637. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7638. }
  7639. } else {
  7640. bnx2x_set_gpio_int(bp, gpio_num,
  7641. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7642. gpio_port);
  7643. /* Module was plugged out.
  7644. * Disable transmit for this module
  7645. */
  7646. phy->media_type = ETH_PHY_NOT_PRESENT;
  7647. }
  7648. }
  7649. /******************************************************************/
  7650. /* Used by 8706 and 8727 */
  7651. /******************************************************************/
  7652. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7653. struct bnx2x_phy *phy,
  7654. u16 alarm_status_offset,
  7655. u16 alarm_ctrl_offset)
  7656. {
  7657. u16 alarm_status, val;
  7658. bnx2x_cl45_read(bp, phy,
  7659. MDIO_PMA_DEVAD, alarm_status_offset,
  7660. &alarm_status);
  7661. bnx2x_cl45_read(bp, phy,
  7662. MDIO_PMA_DEVAD, alarm_status_offset,
  7663. &alarm_status);
  7664. /* Mask or enable the fault event. */
  7665. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7666. if (alarm_status & (1<<0))
  7667. val &= ~(1<<0);
  7668. else
  7669. val |= (1<<0);
  7670. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7671. }
  7672. /******************************************************************/
  7673. /* common BCM8706/BCM8726 PHY SECTION */
  7674. /******************************************************************/
  7675. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7676. struct link_params *params,
  7677. struct link_vars *vars)
  7678. {
  7679. u8 link_up = 0;
  7680. u16 val1, val2, rx_sd, pcs_status;
  7681. struct bnx2x *bp = params->bp;
  7682. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7683. /* Clear RX Alarm*/
  7684. bnx2x_cl45_read(bp, phy,
  7685. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7686. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7687. MDIO_PMA_LASI_TXCTRL);
  7688. /* Clear LASI indication*/
  7689. bnx2x_cl45_read(bp, phy,
  7690. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7691. bnx2x_cl45_read(bp, phy,
  7692. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7693. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7694. bnx2x_cl45_read(bp, phy,
  7695. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7696. bnx2x_cl45_read(bp, phy,
  7697. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7698. bnx2x_cl45_read(bp, phy,
  7699. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7700. bnx2x_cl45_read(bp, phy,
  7701. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7702. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7703. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7704. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7705. * are set, or if the autoneg bit 1 is set
  7706. */
  7707. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7708. if (link_up) {
  7709. if (val2 & (1<<1))
  7710. vars->line_speed = SPEED_1000;
  7711. else
  7712. vars->line_speed = SPEED_10000;
  7713. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7714. vars->duplex = DUPLEX_FULL;
  7715. }
  7716. /* Capture 10G link fault. Read twice to clear stale value. */
  7717. if (vars->line_speed == SPEED_10000) {
  7718. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7719. MDIO_PMA_LASI_TXSTAT, &val1);
  7720. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7721. MDIO_PMA_LASI_TXSTAT, &val1);
  7722. if (val1 & (1<<0))
  7723. vars->fault_detected = 1;
  7724. }
  7725. return link_up;
  7726. }
  7727. /******************************************************************/
  7728. /* BCM8706 PHY SECTION */
  7729. /******************************************************************/
  7730. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7731. struct link_params *params,
  7732. struct link_vars *vars)
  7733. {
  7734. u32 tx_en_mode;
  7735. u16 cnt, val, tmp1;
  7736. struct bnx2x *bp = params->bp;
  7737. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7738. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7739. /* HW reset */
  7740. bnx2x_ext_phy_hw_reset(bp, params->port);
  7741. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7742. bnx2x_wait_reset_complete(bp, phy, params);
  7743. /* Wait until fw is loaded */
  7744. for (cnt = 0; cnt < 100; cnt++) {
  7745. bnx2x_cl45_read(bp, phy,
  7746. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7747. if (val)
  7748. break;
  7749. usleep_range(10000, 20000);
  7750. }
  7751. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7752. if ((params->feature_config_flags &
  7753. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7754. u8 i;
  7755. u16 reg;
  7756. for (i = 0; i < 4; i++) {
  7757. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7758. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7759. MDIO_XS_8706_REG_BANK_RX0);
  7760. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7761. /* Clear first 3 bits of the control */
  7762. val &= ~0x7;
  7763. /* Set control bits according to configuration */
  7764. val |= (phy->rx_preemphasis[i] & 0x7);
  7765. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7766. " reg 0x%x <-- val 0x%x\n", reg, val);
  7767. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7768. }
  7769. }
  7770. /* Force speed */
  7771. if (phy->req_line_speed == SPEED_10000) {
  7772. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7773. bnx2x_cl45_write(bp, phy,
  7774. MDIO_PMA_DEVAD,
  7775. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7776. bnx2x_cl45_write(bp, phy,
  7777. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7778. 0);
  7779. /* Arm LASI for link and Tx fault. */
  7780. bnx2x_cl45_write(bp, phy,
  7781. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7782. } else {
  7783. /* Force 1Gbps using autoneg with 1G advertisement */
  7784. /* Allow CL37 through CL73 */
  7785. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7786. bnx2x_cl45_write(bp, phy,
  7787. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7788. /* Enable Full-Duplex advertisement on CL37 */
  7789. bnx2x_cl45_write(bp, phy,
  7790. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7791. /* Enable CL37 AN */
  7792. bnx2x_cl45_write(bp, phy,
  7793. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7794. /* 1G support */
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7797. /* Enable clause 73 AN */
  7798. bnx2x_cl45_write(bp, phy,
  7799. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7800. bnx2x_cl45_write(bp, phy,
  7801. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7802. 0x0400);
  7803. bnx2x_cl45_write(bp, phy,
  7804. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7805. 0x0004);
  7806. }
  7807. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7808. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7809. * power mode, if TX Laser is disabled
  7810. */
  7811. tx_en_mode = REG_RD(bp, params->shmem_base +
  7812. offsetof(struct shmem_region,
  7813. dev_info.port_hw_config[params->port].sfp_ctrl))
  7814. & PORT_HW_CFG_TX_LASER_MASK;
  7815. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7816. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7817. bnx2x_cl45_read(bp, phy,
  7818. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7819. tmp1 |= 0x1;
  7820. bnx2x_cl45_write(bp, phy,
  7821. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7822. }
  7823. return 0;
  7824. }
  7825. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7826. struct link_params *params,
  7827. struct link_vars *vars)
  7828. {
  7829. return bnx2x_8706_8726_read_status(phy, params, vars);
  7830. }
  7831. /******************************************************************/
  7832. /* BCM8726 PHY SECTION */
  7833. /******************************************************************/
  7834. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7835. struct link_params *params)
  7836. {
  7837. struct bnx2x *bp = params->bp;
  7838. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7839. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7840. }
  7841. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7842. struct link_params *params)
  7843. {
  7844. struct bnx2x *bp = params->bp;
  7845. /* Need to wait 100ms after reset */
  7846. msleep(100);
  7847. /* Micro controller re-boot */
  7848. bnx2x_cl45_write(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7850. /* Set soft reset */
  7851. bnx2x_cl45_write(bp, phy,
  7852. MDIO_PMA_DEVAD,
  7853. MDIO_PMA_REG_GEN_CTRL,
  7854. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7855. bnx2x_cl45_write(bp, phy,
  7856. MDIO_PMA_DEVAD,
  7857. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7858. bnx2x_cl45_write(bp, phy,
  7859. MDIO_PMA_DEVAD,
  7860. MDIO_PMA_REG_GEN_CTRL,
  7861. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7862. /* Wait for 150ms for microcode load */
  7863. msleep(150);
  7864. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7865. bnx2x_cl45_write(bp, phy,
  7866. MDIO_PMA_DEVAD,
  7867. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7868. msleep(200);
  7869. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7870. }
  7871. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7872. struct link_params *params,
  7873. struct link_vars *vars)
  7874. {
  7875. struct bnx2x *bp = params->bp;
  7876. u16 val1;
  7877. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7878. if (link_up) {
  7879. bnx2x_cl45_read(bp, phy,
  7880. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7881. &val1);
  7882. if (val1 & (1<<15)) {
  7883. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7884. link_up = 0;
  7885. vars->line_speed = 0;
  7886. }
  7887. }
  7888. return link_up;
  7889. }
  7890. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7891. struct link_params *params,
  7892. struct link_vars *vars)
  7893. {
  7894. struct bnx2x *bp = params->bp;
  7895. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7896. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7897. bnx2x_wait_reset_complete(bp, phy, params);
  7898. bnx2x_8726_external_rom_boot(phy, params);
  7899. /* Need to call module detected on initialization since the module
  7900. * detection triggered by actual module insertion might occur before
  7901. * driver is loaded, and when driver is loaded, it reset all
  7902. * registers, including the transmitter
  7903. */
  7904. bnx2x_sfp_module_detection(phy, params);
  7905. if (phy->req_line_speed == SPEED_1000) {
  7906. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7907. bnx2x_cl45_write(bp, phy,
  7908. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7909. bnx2x_cl45_write(bp, phy,
  7910. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7911. bnx2x_cl45_write(bp, phy,
  7912. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7915. 0x400);
  7916. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7917. (phy->speed_cap_mask &
  7918. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7919. ((phy->speed_cap_mask &
  7920. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7921. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7922. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7923. /* Set Flow control */
  7924. bnx2x_ext_phy_set_pause(params, phy, vars);
  7925. bnx2x_cl45_write(bp, phy,
  7926. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7927. bnx2x_cl45_write(bp, phy,
  7928. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7929. bnx2x_cl45_write(bp, phy,
  7930. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7933. bnx2x_cl45_write(bp, phy,
  7934. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7935. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7936. * change
  7937. */
  7938. bnx2x_cl45_write(bp, phy,
  7939. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7940. bnx2x_cl45_write(bp, phy,
  7941. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7942. 0x400);
  7943. } else { /* Default 10G. Set only LASI control */
  7944. bnx2x_cl45_write(bp, phy,
  7945. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7946. }
  7947. /* Set TX PreEmphasis if needed */
  7948. if ((params->feature_config_flags &
  7949. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7950. DP(NETIF_MSG_LINK,
  7951. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7952. phy->tx_preemphasis[0],
  7953. phy->tx_preemphasis[1]);
  7954. bnx2x_cl45_write(bp, phy,
  7955. MDIO_PMA_DEVAD,
  7956. MDIO_PMA_REG_8726_TX_CTRL1,
  7957. phy->tx_preemphasis[0]);
  7958. bnx2x_cl45_write(bp, phy,
  7959. MDIO_PMA_DEVAD,
  7960. MDIO_PMA_REG_8726_TX_CTRL2,
  7961. phy->tx_preemphasis[1]);
  7962. }
  7963. return 0;
  7964. }
  7965. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7966. struct link_params *params)
  7967. {
  7968. struct bnx2x *bp = params->bp;
  7969. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7970. /* Set serial boot control for external load */
  7971. bnx2x_cl45_write(bp, phy,
  7972. MDIO_PMA_DEVAD,
  7973. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7974. }
  7975. /******************************************************************/
  7976. /* BCM8727 PHY SECTION */
  7977. /******************************************************************/
  7978. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7979. struct link_params *params, u8 mode)
  7980. {
  7981. struct bnx2x *bp = params->bp;
  7982. u16 led_mode_bitmask = 0;
  7983. u16 gpio_pins_bitmask = 0;
  7984. u16 val;
  7985. /* Only NOC flavor requires to set the LED specifically */
  7986. if (!(phy->flags & FLAGS_NOC))
  7987. return;
  7988. switch (mode) {
  7989. case LED_MODE_FRONT_PANEL_OFF:
  7990. case LED_MODE_OFF:
  7991. led_mode_bitmask = 0;
  7992. gpio_pins_bitmask = 0x03;
  7993. break;
  7994. case LED_MODE_ON:
  7995. led_mode_bitmask = 0;
  7996. gpio_pins_bitmask = 0x02;
  7997. break;
  7998. case LED_MODE_OPER:
  7999. led_mode_bitmask = 0x60;
  8000. gpio_pins_bitmask = 0x11;
  8001. break;
  8002. }
  8003. bnx2x_cl45_read(bp, phy,
  8004. MDIO_PMA_DEVAD,
  8005. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8006. &val);
  8007. val &= 0xff8f;
  8008. val |= led_mode_bitmask;
  8009. bnx2x_cl45_write(bp, phy,
  8010. MDIO_PMA_DEVAD,
  8011. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8012. val);
  8013. bnx2x_cl45_read(bp, phy,
  8014. MDIO_PMA_DEVAD,
  8015. MDIO_PMA_REG_8727_GPIO_CTRL,
  8016. &val);
  8017. val &= 0xffe0;
  8018. val |= gpio_pins_bitmask;
  8019. bnx2x_cl45_write(bp, phy,
  8020. MDIO_PMA_DEVAD,
  8021. MDIO_PMA_REG_8727_GPIO_CTRL,
  8022. val);
  8023. }
  8024. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8025. struct link_params *params) {
  8026. u32 swap_val, swap_override;
  8027. u8 port;
  8028. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8029. * to cancel the swap done in set_gpio()
  8030. */
  8031. struct bnx2x *bp = params->bp;
  8032. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8033. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8034. port = (swap_val && swap_override) ^ 1;
  8035. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8036. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8037. }
  8038. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8039. struct link_params *params)
  8040. {
  8041. struct bnx2x *bp = params->bp;
  8042. u16 tmp1, val;
  8043. /* Set option 1G speed */
  8044. if ((phy->req_line_speed == SPEED_1000) ||
  8045. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8046. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8047. bnx2x_cl45_write(bp, phy,
  8048. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8049. bnx2x_cl45_write(bp, phy,
  8050. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8051. bnx2x_cl45_read(bp, phy,
  8052. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8053. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8054. /* Power down the XAUI until link is up in case of dual-media
  8055. * and 1G
  8056. */
  8057. if (DUAL_MEDIA(params)) {
  8058. bnx2x_cl45_read(bp, phy,
  8059. MDIO_PMA_DEVAD,
  8060. MDIO_PMA_REG_8727_PCS_GP, &val);
  8061. val |= (3<<10);
  8062. bnx2x_cl45_write(bp, phy,
  8063. MDIO_PMA_DEVAD,
  8064. MDIO_PMA_REG_8727_PCS_GP, val);
  8065. }
  8066. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8067. ((phy->speed_cap_mask &
  8068. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8069. ((phy->speed_cap_mask &
  8070. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8071. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8072. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8073. bnx2x_cl45_write(bp, phy,
  8074. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8075. bnx2x_cl45_write(bp, phy,
  8076. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8077. } else {
  8078. /* Since the 8727 has only single reset pin, need to set the 10G
  8079. * registers although it is default
  8080. */
  8081. bnx2x_cl45_write(bp, phy,
  8082. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8083. 0x0020);
  8084. bnx2x_cl45_write(bp, phy,
  8085. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8086. bnx2x_cl45_write(bp, phy,
  8087. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8088. bnx2x_cl45_write(bp, phy,
  8089. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8090. 0x0008);
  8091. }
  8092. }
  8093. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8094. struct link_params *params,
  8095. struct link_vars *vars)
  8096. {
  8097. u32 tx_en_mode;
  8098. u16 tmp1, mod_abs, tmp2;
  8099. struct bnx2x *bp = params->bp;
  8100. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8101. bnx2x_wait_reset_complete(bp, phy, params);
  8102. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8103. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8104. /* Initially configure MOD_ABS to interrupt when module is
  8105. * presence( bit 8)
  8106. */
  8107. bnx2x_cl45_read(bp, phy,
  8108. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8109. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8110. * When the EDC is off it locks onto a reference clock and avoids
  8111. * becoming 'lost'
  8112. */
  8113. mod_abs &= ~(1<<8);
  8114. if (!(phy->flags & FLAGS_NOC))
  8115. mod_abs &= ~(1<<9);
  8116. bnx2x_cl45_write(bp, phy,
  8117. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8118. /* Enable/Disable PHY transmitter output */
  8119. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8120. bnx2x_8727_power_module(bp, phy, 1);
  8121. bnx2x_cl45_read(bp, phy,
  8122. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8123. bnx2x_cl45_read(bp, phy,
  8124. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8125. bnx2x_8727_config_speed(phy, params);
  8126. /* Set TX PreEmphasis if needed */
  8127. if ((params->feature_config_flags &
  8128. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8129. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8130. phy->tx_preemphasis[0],
  8131. phy->tx_preemphasis[1]);
  8132. bnx2x_cl45_write(bp, phy,
  8133. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8134. phy->tx_preemphasis[0]);
  8135. bnx2x_cl45_write(bp, phy,
  8136. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8137. phy->tx_preemphasis[1]);
  8138. }
  8139. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8140. * power mode, if TX Laser is disabled
  8141. */
  8142. tx_en_mode = REG_RD(bp, params->shmem_base +
  8143. offsetof(struct shmem_region,
  8144. dev_info.port_hw_config[params->port].sfp_ctrl))
  8145. & PORT_HW_CFG_TX_LASER_MASK;
  8146. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8147. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8148. bnx2x_cl45_read(bp, phy,
  8149. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8150. tmp2 |= 0x1000;
  8151. tmp2 &= 0xFFEF;
  8152. bnx2x_cl45_write(bp, phy,
  8153. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8154. bnx2x_cl45_read(bp, phy,
  8155. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8156. &tmp2);
  8157. bnx2x_cl45_write(bp, phy,
  8158. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8159. (tmp2 & 0x7fff));
  8160. }
  8161. return 0;
  8162. }
  8163. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8164. struct link_params *params)
  8165. {
  8166. struct bnx2x *bp = params->bp;
  8167. u16 mod_abs, rx_alarm_status;
  8168. u32 val = REG_RD(bp, params->shmem_base +
  8169. offsetof(struct shmem_region, dev_info.
  8170. port_feature_config[params->port].
  8171. config));
  8172. bnx2x_cl45_read(bp, phy,
  8173. MDIO_PMA_DEVAD,
  8174. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8175. if (mod_abs & (1<<8)) {
  8176. /* Module is absent */
  8177. DP(NETIF_MSG_LINK,
  8178. "MOD_ABS indication show module is absent\n");
  8179. phy->media_type = ETH_PHY_NOT_PRESENT;
  8180. /* 1. Set mod_abs to detect next module
  8181. * presence event
  8182. * 2. Set EDC off by setting OPTXLOS signal input to low
  8183. * (bit 9).
  8184. * When the EDC is off it locks onto a reference clock and
  8185. * avoids becoming 'lost'.
  8186. */
  8187. mod_abs &= ~(1<<8);
  8188. if (!(phy->flags & FLAGS_NOC))
  8189. mod_abs &= ~(1<<9);
  8190. bnx2x_cl45_write(bp, phy,
  8191. MDIO_PMA_DEVAD,
  8192. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8193. /* Clear RX alarm since it stays up as long as
  8194. * the mod_abs wasn't changed
  8195. */
  8196. bnx2x_cl45_read(bp, phy,
  8197. MDIO_PMA_DEVAD,
  8198. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8199. } else {
  8200. /* Module is present */
  8201. DP(NETIF_MSG_LINK,
  8202. "MOD_ABS indication show module is present\n");
  8203. /* First disable transmitter, and if the module is ok, the
  8204. * module_detection will enable it
  8205. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8206. * 2. Restore the default polarity of the OPRXLOS signal and
  8207. * this signal will then correctly indicate the presence or
  8208. * absence of the Rx signal. (bit 9)
  8209. */
  8210. mod_abs |= (1<<8);
  8211. if (!(phy->flags & FLAGS_NOC))
  8212. mod_abs |= (1<<9);
  8213. bnx2x_cl45_write(bp, phy,
  8214. MDIO_PMA_DEVAD,
  8215. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8216. /* Clear RX alarm since it stays up as long as the mod_abs
  8217. * wasn't changed. This is need to be done before calling the
  8218. * module detection, otherwise it will clear* the link update
  8219. * alarm
  8220. */
  8221. bnx2x_cl45_read(bp, phy,
  8222. MDIO_PMA_DEVAD,
  8223. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8224. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8225. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8226. bnx2x_sfp_set_transmitter(params, phy, 0);
  8227. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8228. bnx2x_sfp_module_detection(phy, params);
  8229. else
  8230. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8231. /* Reconfigure link speed based on module type limitations */
  8232. bnx2x_8727_config_speed(phy, params);
  8233. }
  8234. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8235. rx_alarm_status);
  8236. /* No need to check link status in case of module plugged in/out */
  8237. }
  8238. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8239. struct link_params *params,
  8240. struct link_vars *vars)
  8241. {
  8242. struct bnx2x *bp = params->bp;
  8243. u8 link_up = 0, oc_port = params->port;
  8244. u16 link_status = 0;
  8245. u16 rx_alarm_status, lasi_ctrl, val1;
  8246. /* If PHY is not initialized, do not check link status */
  8247. bnx2x_cl45_read(bp, phy,
  8248. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8249. &lasi_ctrl);
  8250. if (!lasi_ctrl)
  8251. return 0;
  8252. /* Check the LASI on Rx */
  8253. bnx2x_cl45_read(bp, phy,
  8254. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8255. &rx_alarm_status);
  8256. vars->line_speed = 0;
  8257. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8258. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8259. MDIO_PMA_LASI_TXCTRL);
  8260. bnx2x_cl45_read(bp, phy,
  8261. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8262. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8263. /* Clear MSG-OUT */
  8264. bnx2x_cl45_read(bp, phy,
  8265. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8266. /* If a module is present and there is need to check
  8267. * for over current
  8268. */
  8269. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8270. /* Check over-current using 8727 GPIO0 input*/
  8271. bnx2x_cl45_read(bp, phy,
  8272. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8273. &val1);
  8274. if ((val1 & (1<<8)) == 0) {
  8275. if (!CHIP_IS_E1x(bp))
  8276. oc_port = BP_PATH(bp) + (params->port << 1);
  8277. DP(NETIF_MSG_LINK,
  8278. "8727 Power fault has been detected on port %d\n",
  8279. oc_port);
  8280. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8281. "been detected and the power to "
  8282. "that SFP+ module has been removed "
  8283. "to prevent failure of the card. "
  8284. "Please remove the SFP+ module and "
  8285. "restart the system to clear this "
  8286. "error.\n",
  8287. oc_port);
  8288. /* Disable all RX_ALARMs except for mod_abs */
  8289. bnx2x_cl45_write(bp, phy,
  8290. MDIO_PMA_DEVAD,
  8291. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8292. bnx2x_cl45_read(bp, phy,
  8293. MDIO_PMA_DEVAD,
  8294. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8295. /* Wait for module_absent_event */
  8296. val1 |= (1<<8);
  8297. bnx2x_cl45_write(bp, phy,
  8298. MDIO_PMA_DEVAD,
  8299. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8300. /* Clear RX alarm */
  8301. bnx2x_cl45_read(bp, phy,
  8302. MDIO_PMA_DEVAD,
  8303. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8304. bnx2x_8727_power_module(params->bp, phy, 0);
  8305. return 0;
  8306. }
  8307. } /* Over current check */
  8308. /* When module absent bit is set, check module */
  8309. if (rx_alarm_status & (1<<5)) {
  8310. bnx2x_8727_handle_mod_abs(phy, params);
  8311. /* Enable all mod_abs and link detection bits */
  8312. bnx2x_cl45_write(bp, phy,
  8313. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8314. ((1<<5) | (1<<2)));
  8315. }
  8316. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8317. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8318. bnx2x_sfp_set_transmitter(params, phy, 1);
  8319. } else {
  8320. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8321. return 0;
  8322. }
  8323. bnx2x_cl45_read(bp, phy,
  8324. MDIO_PMA_DEVAD,
  8325. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8326. /* Bits 0..2 --> speed detected,
  8327. * Bits 13..15--> link is down
  8328. */
  8329. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8330. link_up = 1;
  8331. vars->line_speed = SPEED_10000;
  8332. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8333. params->port);
  8334. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8335. link_up = 1;
  8336. vars->line_speed = SPEED_1000;
  8337. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8338. params->port);
  8339. } else {
  8340. link_up = 0;
  8341. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8342. params->port);
  8343. }
  8344. /* Capture 10G link fault. */
  8345. if (vars->line_speed == SPEED_10000) {
  8346. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8347. MDIO_PMA_LASI_TXSTAT, &val1);
  8348. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8349. MDIO_PMA_LASI_TXSTAT, &val1);
  8350. if (val1 & (1<<0)) {
  8351. vars->fault_detected = 1;
  8352. }
  8353. }
  8354. if (link_up) {
  8355. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8356. vars->duplex = DUPLEX_FULL;
  8357. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8358. }
  8359. if ((DUAL_MEDIA(params)) &&
  8360. (phy->req_line_speed == SPEED_1000)) {
  8361. bnx2x_cl45_read(bp, phy,
  8362. MDIO_PMA_DEVAD,
  8363. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8364. /* In case of dual-media board and 1G, power up the XAUI side,
  8365. * otherwise power it down. For 10G it is done automatically
  8366. */
  8367. if (link_up)
  8368. val1 &= ~(3<<10);
  8369. else
  8370. val1 |= (3<<10);
  8371. bnx2x_cl45_write(bp, phy,
  8372. MDIO_PMA_DEVAD,
  8373. MDIO_PMA_REG_8727_PCS_GP, val1);
  8374. }
  8375. return link_up;
  8376. }
  8377. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8378. struct link_params *params)
  8379. {
  8380. struct bnx2x *bp = params->bp;
  8381. /* Enable/Disable PHY transmitter output */
  8382. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8383. /* Disable Transmitter */
  8384. bnx2x_sfp_set_transmitter(params, phy, 0);
  8385. /* Clear LASI */
  8386. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8387. }
  8388. /******************************************************************/
  8389. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8390. /******************************************************************/
  8391. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8392. struct bnx2x *bp,
  8393. u8 port)
  8394. {
  8395. u16 val, fw_ver2, cnt, i;
  8396. static struct bnx2x_reg_set reg_set[] = {
  8397. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8398. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8399. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8400. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8401. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8402. };
  8403. u16 fw_ver1;
  8404. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8405. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8406. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8407. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8408. phy->ver_addr);
  8409. } else {
  8410. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8411. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8412. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set);
  8413. i++)
  8414. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8415. reg_set[i].reg, reg_set[i].val);
  8416. for (cnt = 0; cnt < 100; cnt++) {
  8417. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8418. if (val & 1)
  8419. break;
  8420. udelay(5);
  8421. }
  8422. if (cnt == 100) {
  8423. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8424. "phy fw version(1)\n");
  8425. bnx2x_save_spirom_version(bp, port, 0,
  8426. phy->ver_addr);
  8427. return;
  8428. }
  8429. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8430. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8431. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8432. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8433. for (cnt = 0; cnt < 100; cnt++) {
  8434. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8435. if (val & 1)
  8436. break;
  8437. udelay(5);
  8438. }
  8439. if (cnt == 100) {
  8440. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8441. "version(2)\n");
  8442. bnx2x_save_spirom_version(bp, port, 0,
  8443. phy->ver_addr);
  8444. return;
  8445. }
  8446. /* lower 16 bits of the register SPI_FW_STATUS */
  8447. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8448. /* upper 16 bits of register SPI_FW_STATUS */
  8449. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8450. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8451. phy->ver_addr);
  8452. }
  8453. }
  8454. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8455. struct bnx2x_phy *phy)
  8456. {
  8457. u16 val, offset, i;
  8458. static struct bnx2x_reg_set reg_set[] = {
  8459. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8460. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8461. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8462. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8463. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8464. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8465. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8466. };
  8467. /* PHYC_CTL_LED_CTL */
  8468. bnx2x_cl45_read(bp, phy,
  8469. MDIO_PMA_DEVAD,
  8470. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8471. val &= 0xFE00;
  8472. val |= 0x0092;
  8473. bnx2x_cl45_write(bp, phy,
  8474. MDIO_PMA_DEVAD,
  8475. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8476. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  8477. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8478. reg_set[i].val);
  8479. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8480. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8481. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8482. else
  8483. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8484. /* stretch_en for LED3*/
  8485. bnx2x_cl45_read_or_write(bp, phy,
  8486. MDIO_PMA_DEVAD, offset,
  8487. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8488. }
  8489. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8490. struct link_params *params,
  8491. u32 action)
  8492. {
  8493. struct bnx2x *bp = params->bp;
  8494. switch (action) {
  8495. case PHY_INIT:
  8496. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8497. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8498. /* Save spirom version */
  8499. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8500. }
  8501. /* This phy uses the NIG latch mechanism since link indication
  8502. * arrives through its LED4 and not via its LASI signal, so we
  8503. * get steady signal instead of clear on read
  8504. */
  8505. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8506. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8507. bnx2x_848xx_set_led(bp, phy);
  8508. break;
  8509. }
  8510. }
  8511. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8512. struct link_params *params,
  8513. struct link_vars *vars)
  8514. {
  8515. struct bnx2x *bp = params->bp;
  8516. u16 autoneg_val, an_1000_val, an_10_100_val;
  8517. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8518. bnx2x_cl45_write(bp, phy,
  8519. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8520. /* set 1000 speed advertisement */
  8521. bnx2x_cl45_read(bp, phy,
  8522. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8523. &an_1000_val);
  8524. bnx2x_ext_phy_set_pause(params, phy, vars);
  8525. bnx2x_cl45_read(bp, phy,
  8526. MDIO_AN_DEVAD,
  8527. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8528. &an_10_100_val);
  8529. bnx2x_cl45_read(bp, phy,
  8530. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8531. &autoneg_val);
  8532. /* Disable forced speed */
  8533. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8534. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8535. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8536. (phy->speed_cap_mask &
  8537. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8538. (phy->req_line_speed == SPEED_1000)) {
  8539. an_1000_val |= (1<<8);
  8540. autoneg_val |= (1<<9 | 1<<12);
  8541. if (phy->req_duplex == DUPLEX_FULL)
  8542. an_1000_val |= (1<<9);
  8543. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8544. } else
  8545. an_1000_val &= ~((1<<8) | (1<<9));
  8546. bnx2x_cl45_write(bp, phy,
  8547. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8548. an_1000_val);
  8549. /* set 100 speed advertisement */
  8550. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8551. (phy->speed_cap_mask &
  8552. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8553. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8554. an_10_100_val |= (1<<7);
  8555. /* Enable autoneg and restart autoneg for legacy speeds */
  8556. autoneg_val |= (1<<9 | 1<<12);
  8557. if (phy->req_duplex == DUPLEX_FULL)
  8558. an_10_100_val |= (1<<8);
  8559. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8560. }
  8561. /* set 10 speed advertisement */
  8562. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8563. (phy->speed_cap_mask &
  8564. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8565. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8566. (phy->supported &
  8567. (SUPPORTED_10baseT_Half |
  8568. SUPPORTED_10baseT_Full)))) {
  8569. an_10_100_val |= (1<<5);
  8570. autoneg_val |= (1<<9 | 1<<12);
  8571. if (phy->req_duplex == DUPLEX_FULL)
  8572. an_10_100_val |= (1<<6);
  8573. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8574. }
  8575. /* Only 10/100 are allowed to work in FORCE mode */
  8576. if ((phy->req_line_speed == SPEED_100) &&
  8577. (phy->supported &
  8578. (SUPPORTED_100baseT_Half |
  8579. SUPPORTED_100baseT_Full))) {
  8580. autoneg_val |= (1<<13);
  8581. /* Enabled AUTO-MDIX when autoneg is disabled */
  8582. bnx2x_cl45_write(bp, phy,
  8583. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8584. (1<<15 | 1<<9 | 7<<0));
  8585. /* The PHY needs this set even for forced link. */
  8586. an_10_100_val |= (1<<8) | (1<<7);
  8587. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8588. }
  8589. if ((phy->req_line_speed == SPEED_10) &&
  8590. (phy->supported &
  8591. (SUPPORTED_10baseT_Half |
  8592. SUPPORTED_10baseT_Full))) {
  8593. /* Enabled AUTO-MDIX when autoneg is disabled */
  8594. bnx2x_cl45_write(bp, phy,
  8595. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8596. (1<<15 | 1<<9 | 7<<0));
  8597. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8598. }
  8599. bnx2x_cl45_write(bp, phy,
  8600. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8601. an_10_100_val);
  8602. if (phy->req_duplex == DUPLEX_FULL)
  8603. autoneg_val |= (1<<8);
  8604. /* Always write this if this is not 84833/4.
  8605. * For 84833/4, write it only when it's a forced speed.
  8606. */
  8607. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8608. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8609. ((autoneg_val & (1<<12)) == 0))
  8610. bnx2x_cl45_write(bp, phy,
  8611. MDIO_AN_DEVAD,
  8612. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8613. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8614. (phy->speed_cap_mask &
  8615. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8616. (phy->req_line_speed == SPEED_10000)) {
  8617. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8618. /* Restart autoneg for 10G*/
  8619. bnx2x_cl45_read_or_write(
  8620. bp, phy,
  8621. MDIO_AN_DEVAD,
  8622. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8623. 0x1000);
  8624. bnx2x_cl45_write(bp, phy,
  8625. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8626. 0x3200);
  8627. } else
  8628. bnx2x_cl45_write(bp, phy,
  8629. MDIO_AN_DEVAD,
  8630. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8631. 1);
  8632. return 0;
  8633. }
  8634. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8635. struct link_params *params,
  8636. struct link_vars *vars)
  8637. {
  8638. struct bnx2x *bp = params->bp;
  8639. /* Restore normal power mode*/
  8640. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8641. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8642. /* HW reset */
  8643. bnx2x_ext_phy_hw_reset(bp, params->port);
  8644. bnx2x_wait_reset_complete(bp, phy, params);
  8645. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8646. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8647. }
  8648. #define PHY84833_CMDHDLR_WAIT 300
  8649. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8650. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8651. struct link_params *params, u16 fw_cmd,
  8652. u16 cmd_args[], int argc)
  8653. {
  8654. int idx;
  8655. u16 val;
  8656. struct bnx2x *bp = params->bp;
  8657. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8658. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8659. MDIO_84833_CMD_HDLR_STATUS,
  8660. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8661. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8662. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8663. MDIO_84833_CMD_HDLR_STATUS, &val);
  8664. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8665. break;
  8666. usleep_range(1000, 2000);
  8667. }
  8668. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8669. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8670. return -EINVAL;
  8671. }
  8672. /* Prepare argument(s) and issue command */
  8673. for (idx = 0; idx < argc; idx++) {
  8674. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8675. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8676. cmd_args[idx]);
  8677. }
  8678. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8679. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8680. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8681. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8682. MDIO_84833_CMD_HDLR_STATUS, &val);
  8683. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8684. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8685. break;
  8686. usleep_range(1000, 2000);
  8687. }
  8688. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8689. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8690. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8691. return -EINVAL;
  8692. }
  8693. /* Gather returning data */
  8694. for (idx = 0; idx < argc; idx++) {
  8695. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8696. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8697. &cmd_args[idx]);
  8698. }
  8699. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8700. MDIO_84833_CMD_HDLR_STATUS,
  8701. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8702. return 0;
  8703. }
  8704. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8705. struct link_params *params,
  8706. struct link_vars *vars)
  8707. {
  8708. u32 pair_swap;
  8709. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8710. int status;
  8711. struct bnx2x *bp = params->bp;
  8712. /* Check for configuration. */
  8713. pair_swap = REG_RD(bp, params->shmem_base +
  8714. offsetof(struct shmem_region,
  8715. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8716. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8717. if (pair_swap == 0)
  8718. return 0;
  8719. /* Only the second argument is used for this command */
  8720. data[1] = (u16)pair_swap;
  8721. status = bnx2x_84833_cmd_hdlr(phy, params,
  8722. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8723. if (status == 0)
  8724. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8725. return status;
  8726. }
  8727. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8728. u32 shmem_base_path[],
  8729. u32 chip_id)
  8730. {
  8731. u32 reset_pin[2];
  8732. u32 idx;
  8733. u8 reset_gpios;
  8734. if (CHIP_IS_E3(bp)) {
  8735. /* Assume that these will be GPIOs, not EPIOs. */
  8736. for (idx = 0; idx < 2; idx++) {
  8737. /* Map config param to register bit. */
  8738. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8739. offsetof(struct shmem_region,
  8740. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8741. reset_pin[idx] = (reset_pin[idx] &
  8742. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8743. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8744. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8745. reset_pin[idx] = (1 << reset_pin[idx]);
  8746. }
  8747. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8748. } else {
  8749. /* E2, look from diff place of shmem. */
  8750. for (idx = 0; idx < 2; idx++) {
  8751. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8752. offsetof(struct shmem_region,
  8753. dev_info.port_hw_config[0].default_cfg));
  8754. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8755. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8756. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8757. reset_pin[idx] = (1 << reset_pin[idx]);
  8758. }
  8759. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8760. }
  8761. return reset_gpios;
  8762. }
  8763. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8764. struct link_params *params)
  8765. {
  8766. struct bnx2x *bp = params->bp;
  8767. u8 reset_gpios;
  8768. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8769. offsetof(struct shmem2_region,
  8770. other_shmem_base_addr));
  8771. u32 shmem_base_path[2];
  8772. /* Work around for 84833 LED failure inside RESET status */
  8773. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8774. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8775. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8776. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8777. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8778. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8779. shmem_base_path[0] = params->shmem_base;
  8780. shmem_base_path[1] = other_shmem_base_addr;
  8781. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8782. params->chip_id);
  8783. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8784. udelay(10);
  8785. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8786. reset_gpios);
  8787. return 0;
  8788. }
  8789. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8790. struct link_params *params,
  8791. struct link_vars *vars)
  8792. {
  8793. int rc;
  8794. struct bnx2x *bp = params->bp;
  8795. u16 cmd_args = 0;
  8796. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8797. /* Prevent Phy from working in EEE and advertising it */
  8798. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8799. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8800. if (rc) {
  8801. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8802. return rc;
  8803. }
  8804. return bnx2x_eee_disable(phy, params, vars);
  8805. }
  8806. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8807. struct link_params *params,
  8808. struct link_vars *vars)
  8809. {
  8810. int rc;
  8811. struct bnx2x *bp = params->bp;
  8812. u16 cmd_args = 1;
  8813. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8814. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8815. if (rc) {
  8816. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8817. return rc;
  8818. }
  8819. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8820. }
  8821. #define PHY84833_CONSTANT_LATENCY 1193
  8822. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8823. struct link_params *params,
  8824. struct link_vars *vars)
  8825. {
  8826. struct bnx2x *bp = params->bp;
  8827. u8 port, initialize = 1;
  8828. u16 val;
  8829. u32 actual_phy_selection;
  8830. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8831. int rc = 0;
  8832. usleep_range(1000, 2000);
  8833. if (!(CHIP_IS_E1x(bp)))
  8834. port = BP_PATH(bp);
  8835. else
  8836. port = params->port;
  8837. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8838. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8839. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8840. port);
  8841. } else {
  8842. /* MDIO reset */
  8843. bnx2x_cl45_write(bp, phy,
  8844. MDIO_PMA_DEVAD,
  8845. MDIO_PMA_REG_CTRL, 0x8000);
  8846. }
  8847. bnx2x_wait_reset_complete(bp, phy, params);
  8848. /* Wait for GPHY to come out of reset */
  8849. msleep(50);
  8850. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8851. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8852. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8853. * behavior.
  8854. */
  8855. u16 temp;
  8856. temp = vars->line_speed;
  8857. vars->line_speed = SPEED_10000;
  8858. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8859. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8860. vars->line_speed = temp;
  8861. }
  8862. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8863. MDIO_CTL_REG_84823_MEDIA, &val);
  8864. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8865. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8866. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8867. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8868. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8869. if (CHIP_IS_E3(bp)) {
  8870. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8871. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8872. } else {
  8873. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8874. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8875. }
  8876. actual_phy_selection = bnx2x_phy_selection(params);
  8877. switch (actual_phy_selection) {
  8878. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8879. /* Do nothing. Essentially this is like the priority copper */
  8880. break;
  8881. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8882. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8883. break;
  8884. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8885. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8886. break;
  8887. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8888. /* Do nothing here. The first PHY won't be initialized at all */
  8889. break;
  8890. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8891. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8892. initialize = 0;
  8893. break;
  8894. }
  8895. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8896. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8897. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8898. MDIO_CTL_REG_84823_MEDIA, val);
  8899. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8900. params->multi_phy_config, val);
  8901. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8902. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8903. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8904. /* Keep AutogrEEEn disabled. */
  8905. cmd_args[0] = 0x0;
  8906. cmd_args[1] = 0x0;
  8907. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8908. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8909. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8910. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8911. PHY84833_CMDHDLR_MAX_ARGS);
  8912. if (rc)
  8913. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8914. }
  8915. if (initialize)
  8916. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8917. else
  8918. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8919. /* 84833 PHY has a better feature and doesn't need to support this. */
  8920. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8921. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8922. offsetof(struct shmem_region,
  8923. dev_info.port_hw_config[params->port].default_cfg)) &
  8924. PORT_HW_CFG_ENABLE_CMS_MASK;
  8925. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8926. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8927. if (cms_enable)
  8928. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8929. else
  8930. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8931. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8932. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8933. }
  8934. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8935. MDIO_84833_TOP_CFG_FW_REV, &val);
  8936. /* Configure EEE support */
  8937. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8938. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8939. bnx2x_eee_has_cap(params)) {
  8940. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8941. if (rc) {
  8942. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8943. bnx2x_8483x_disable_eee(phy, params, vars);
  8944. return rc;
  8945. }
  8946. if ((phy->req_duplex == DUPLEX_FULL) &&
  8947. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8948. (bnx2x_eee_calc_timer(params) ||
  8949. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8950. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8951. else
  8952. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8953. if (rc) {
  8954. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8955. return rc;
  8956. }
  8957. } else {
  8958. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8959. }
  8960. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8961. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8962. /* Bring PHY out of super isolate mode as the final step. */
  8963. bnx2x_cl45_read_and_write(bp, phy,
  8964. MDIO_CTL_DEVAD,
  8965. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  8966. (u16)~MDIO_84833_SUPER_ISOLATE);
  8967. }
  8968. return rc;
  8969. }
  8970. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8971. struct link_params *params,
  8972. struct link_vars *vars)
  8973. {
  8974. struct bnx2x *bp = params->bp;
  8975. u16 val, val1, val2;
  8976. u8 link_up = 0;
  8977. /* Check 10G-BaseT link status */
  8978. /* Check PMD signal ok */
  8979. bnx2x_cl45_read(bp, phy,
  8980. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8981. bnx2x_cl45_read(bp, phy,
  8982. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8983. &val2);
  8984. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8985. /* Check link 10G */
  8986. if (val2 & (1<<11)) {
  8987. vars->line_speed = SPEED_10000;
  8988. vars->duplex = DUPLEX_FULL;
  8989. link_up = 1;
  8990. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8991. } else { /* Check Legacy speed link */
  8992. u16 legacy_status, legacy_speed;
  8993. /* Enable expansion register 0x42 (Operation mode status) */
  8994. bnx2x_cl45_write(bp, phy,
  8995. MDIO_AN_DEVAD,
  8996. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8997. /* Get legacy speed operation status */
  8998. bnx2x_cl45_read(bp, phy,
  8999. MDIO_AN_DEVAD,
  9000. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9001. &legacy_status);
  9002. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9003. legacy_status);
  9004. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9005. legacy_speed = (legacy_status & (3<<9));
  9006. if (legacy_speed == (0<<9))
  9007. vars->line_speed = SPEED_10;
  9008. else if (legacy_speed == (1<<9))
  9009. vars->line_speed = SPEED_100;
  9010. else if (legacy_speed == (2<<9))
  9011. vars->line_speed = SPEED_1000;
  9012. else { /* Should not happen: Treat as link down */
  9013. vars->line_speed = 0;
  9014. link_up = 0;
  9015. }
  9016. if (link_up) {
  9017. if (legacy_status & (1<<8))
  9018. vars->duplex = DUPLEX_FULL;
  9019. else
  9020. vars->duplex = DUPLEX_HALF;
  9021. DP(NETIF_MSG_LINK,
  9022. "Link is up in %dMbps, is_duplex_full= %d\n",
  9023. vars->line_speed,
  9024. (vars->duplex == DUPLEX_FULL));
  9025. /* Check legacy speed AN resolution */
  9026. bnx2x_cl45_read(bp, phy,
  9027. MDIO_AN_DEVAD,
  9028. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9029. &val);
  9030. if (val & (1<<5))
  9031. vars->link_status |=
  9032. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9033. bnx2x_cl45_read(bp, phy,
  9034. MDIO_AN_DEVAD,
  9035. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9036. &val);
  9037. if ((val & (1<<0)) == 0)
  9038. vars->link_status |=
  9039. LINK_STATUS_PARALLEL_DETECTION_USED;
  9040. }
  9041. }
  9042. if (link_up) {
  9043. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9044. vars->line_speed);
  9045. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9046. /* Read LP advertised speeds */
  9047. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9048. MDIO_AN_REG_CL37_FC_LP, &val);
  9049. if (val & (1<<5))
  9050. vars->link_status |=
  9051. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9052. if (val & (1<<6))
  9053. vars->link_status |=
  9054. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9055. if (val & (1<<7))
  9056. vars->link_status |=
  9057. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9058. if (val & (1<<8))
  9059. vars->link_status |=
  9060. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9061. if (val & (1<<9))
  9062. vars->link_status |=
  9063. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9064. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9065. MDIO_AN_REG_1000T_STATUS, &val);
  9066. if (val & (1<<10))
  9067. vars->link_status |=
  9068. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9069. if (val & (1<<11))
  9070. vars->link_status |=
  9071. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9072. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9073. MDIO_AN_REG_MASTER_STATUS, &val);
  9074. if (val & (1<<11))
  9075. vars->link_status |=
  9076. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9077. /* Determine if EEE was negotiated */
  9078. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  9079. bnx2x_eee_an_resolve(phy, params, vars);
  9080. }
  9081. return link_up;
  9082. }
  9083. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9084. {
  9085. int status = 0;
  9086. u32 spirom_ver;
  9087. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9088. status = bnx2x_format_ver(spirom_ver, str, len);
  9089. return status;
  9090. }
  9091. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9092. struct link_params *params)
  9093. {
  9094. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9095. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9096. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9097. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9098. }
  9099. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9100. struct link_params *params)
  9101. {
  9102. bnx2x_cl45_write(params->bp, phy,
  9103. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9104. bnx2x_cl45_write(params->bp, phy,
  9105. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9106. }
  9107. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9108. struct link_params *params)
  9109. {
  9110. struct bnx2x *bp = params->bp;
  9111. u8 port;
  9112. u16 val16;
  9113. if (!(CHIP_IS_E1x(bp)))
  9114. port = BP_PATH(bp);
  9115. else
  9116. port = params->port;
  9117. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9118. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9119. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9120. port);
  9121. } else {
  9122. bnx2x_cl45_read(bp, phy,
  9123. MDIO_CTL_DEVAD,
  9124. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9125. val16 |= MDIO_84833_SUPER_ISOLATE;
  9126. bnx2x_cl45_write(bp, phy,
  9127. MDIO_CTL_DEVAD,
  9128. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9129. }
  9130. }
  9131. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9132. struct link_params *params, u8 mode)
  9133. {
  9134. struct bnx2x *bp = params->bp;
  9135. u16 val;
  9136. u8 port;
  9137. if (!(CHIP_IS_E1x(bp)))
  9138. port = BP_PATH(bp);
  9139. else
  9140. port = params->port;
  9141. switch (mode) {
  9142. case LED_MODE_OFF:
  9143. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9144. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9145. SHARED_HW_CFG_LED_EXTPHY1) {
  9146. /* Set LED masks */
  9147. bnx2x_cl45_write(bp, phy,
  9148. MDIO_PMA_DEVAD,
  9149. MDIO_PMA_REG_8481_LED1_MASK,
  9150. 0x0);
  9151. bnx2x_cl45_write(bp, phy,
  9152. MDIO_PMA_DEVAD,
  9153. MDIO_PMA_REG_8481_LED2_MASK,
  9154. 0x0);
  9155. bnx2x_cl45_write(bp, phy,
  9156. MDIO_PMA_DEVAD,
  9157. MDIO_PMA_REG_8481_LED3_MASK,
  9158. 0x0);
  9159. bnx2x_cl45_write(bp, phy,
  9160. MDIO_PMA_DEVAD,
  9161. MDIO_PMA_REG_8481_LED5_MASK,
  9162. 0x0);
  9163. } else {
  9164. bnx2x_cl45_write(bp, phy,
  9165. MDIO_PMA_DEVAD,
  9166. MDIO_PMA_REG_8481_LED1_MASK,
  9167. 0x0);
  9168. }
  9169. break;
  9170. case LED_MODE_FRONT_PANEL_OFF:
  9171. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9172. port);
  9173. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9174. SHARED_HW_CFG_LED_EXTPHY1) {
  9175. /* Set LED masks */
  9176. bnx2x_cl45_write(bp, phy,
  9177. MDIO_PMA_DEVAD,
  9178. MDIO_PMA_REG_8481_LED1_MASK,
  9179. 0x0);
  9180. bnx2x_cl45_write(bp, phy,
  9181. MDIO_PMA_DEVAD,
  9182. MDIO_PMA_REG_8481_LED2_MASK,
  9183. 0x0);
  9184. bnx2x_cl45_write(bp, phy,
  9185. MDIO_PMA_DEVAD,
  9186. MDIO_PMA_REG_8481_LED3_MASK,
  9187. 0x0);
  9188. bnx2x_cl45_write(bp, phy,
  9189. MDIO_PMA_DEVAD,
  9190. MDIO_PMA_REG_8481_LED5_MASK,
  9191. 0x20);
  9192. } else {
  9193. bnx2x_cl45_write(bp, phy,
  9194. MDIO_PMA_DEVAD,
  9195. MDIO_PMA_REG_8481_LED1_MASK,
  9196. 0x0);
  9197. }
  9198. break;
  9199. case LED_MODE_ON:
  9200. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9201. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9202. SHARED_HW_CFG_LED_EXTPHY1) {
  9203. /* Set control reg */
  9204. bnx2x_cl45_read(bp, phy,
  9205. MDIO_PMA_DEVAD,
  9206. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9207. &val);
  9208. val &= 0x8000;
  9209. val |= 0x2492;
  9210. bnx2x_cl45_write(bp, phy,
  9211. MDIO_PMA_DEVAD,
  9212. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9213. val);
  9214. /* Set LED masks */
  9215. bnx2x_cl45_write(bp, phy,
  9216. MDIO_PMA_DEVAD,
  9217. MDIO_PMA_REG_8481_LED1_MASK,
  9218. 0x0);
  9219. bnx2x_cl45_write(bp, phy,
  9220. MDIO_PMA_DEVAD,
  9221. MDIO_PMA_REG_8481_LED2_MASK,
  9222. 0x20);
  9223. bnx2x_cl45_write(bp, phy,
  9224. MDIO_PMA_DEVAD,
  9225. MDIO_PMA_REG_8481_LED3_MASK,
  9226. 0x20);
  9227. bnx2x_cl45_write(bp, phy,
  9228. MDIO_PMA_DEVAD,
  9229. MDIO_PMA_REG_8481_LED5_MASK,
  9230. 0x0);
  9231. } else {
  9232. bnx2x_cl45_write(bp, phy,
  9233. MDIO_PMA_DEVAD,
  9234. MDIO_PMA_REG_8481_LED1_MASK,
  9235. 0x20);
  9236. }
  9237. break;
  9238. case LED_MODE_OPER:
  9239. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9240. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9241. SHARED_HW_CFG_LED_EXTPHY1) {
  9242. /* Set control reg */
  9243. bnx2x_cl45_read(bp, phy,
  9244. MDIO_PMA_DEVAD,
  9245. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9246. &val);
  9247. if (!((val &
  9248. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9249. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9250. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9251. bnx2x_cl45_write(bp, phy,
  9252. MDIO_PMA_DEVAD,
  9253. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9254. 0xa492);
  9255. }
  9256. /* Set LED masks */
  9257. bnx2x_cl45_write(bp, phy,
  9258. MDIO_PMA_DEVAD,
  9259. MDIO_PMA_REG_8481_LED1_MASK,
  9260. 0x10);
  9261. bnx2x_cl45_write(bp, phy,
  9262. MDIO_PMA_DEVAD,
  9263. MDIO_PMA_REG_8481_LED2_MASK,
  9264. 0x80);
  9265. bnx2x_cl45_write(bp, phy,
  9266. MDIO_PMA_DEVAD,
  9267. MDIO_PMA_REG_8481_LED3_MASK,
  9268. 0x98);
  9269. bnx2x_cl45_write(bp, phy,
  9270. MDIO_PMA_DEVAD,
  9271. MDIO_PMA_REG_8481_LED5_MASK,
  9272. 0x40);
  9273. } else {
  9274. bnx2x_cl45_write(bp, phy,
  9275. MDIO_PMA_DEVAD,
  9276. MDIO_PMA_REG_8481_LED1_MASK,
  9277. 0x80);
  9278. /* Tell LED3 to blink on source */
  9279. bnx2x_cl45_read(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9282. &val);
  9283. val &= ~(7<<6);
  9284. val |= (1<<6); /* A83B[8:6]= 1 */
  9285. bnx2x_cl45_write(bp, phy,
  9286. MDIO_PMA_DEVAD,
  9287. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9288. val);
  9289. }
  9290. break;
  9291. }
  9292. /* This is a workaround for E3+84833 until autoneg
  9293. * restart is fixed in f/w
  9294. */
  9295. if (CHIP_IS_E3(bp)) {
  9296. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9297. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9298. }
  9299. }
  9300. /******************************************************************/
  9301. /* 54618SE PHY SECTION */
  9302. /******************************************************************/
  9303. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9304. struct link_params *params,
  9305. u32 action)
  9306. {
  9307. struct bnx2x *bp = params->bp;
  9308. u16 temp;
  9309. switch (action) {
  9310. case PHY_INIT:
  9311. /* Configure LED4: set to INTR (0x6). */
  9312. /* Accessing shadow register 0xe. */
  9313. bnx2x_cl22_write(bp, phy,
  9314. MDIO_REG_GPHY_SHADOW,
  9315. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9316. bnx2x_cl22_read(bp, phy,
  9317. MDIO_REG_GPHY_SHADOW,
  9318. &temp);
  9319. temp &= ~(0xf << 4);
  9320. temp |= (0x6 << 4);
  9321. bnx2x_cl22_write(bp, phy,
  9322. MDIO_REG_GPHY_SHADOW,
  9323. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9324. /* Configure INTR based on link status change. */
  9325. bnx2x_cl22_write(bp, phy,
  9326. MDIO_REG_INTR_MASK,
  9327. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9328. break;
  9329. }
  9330. }
  9331. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9332. struct link_params *params,
  9333. struct link_vars *vars)
  9334. {
  9335. struct bnx2x *bp = params->bp;
  9336. u8 port;
  9337. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9338. u32 cfg_pin;
  9339. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9340. usleep_range(1000, 2000);
  9341. /* This works with E3 only, no need to check the chip
  9342. * before determining the port.
  9343. */
  9344. port = params->port;
  9345. cfg_pin = (REG_RD(bp, params->shmem_base +
  9346. offsetof(struct shmem_region,
  9347. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9348. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9349. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9350. /* Drive pin high to bring the GPHY out of reset. */
  9351. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9352. /* wait for GPHY to reset */
  9353. msleep(50);
  9354. /* reset phy */
  9355. bnx2x_cl22_write(bp, phy,
  9356. MDIO_PMA_REG_CTRL, 0x8000);
  9357. bnx2x_wait_reset_complete(bp, phy, params);
  9358. /* Wait for GPHY to reset */
  9359. msleep(50);
  9360. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9361. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9362. bnx2x_cl22_write(bp, phy,
  9363. MDIO_REG_GPHY_SHADOW,
  9364. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9365. bnx2x_cl22_read(bp, phy,
  9366. MDIO_REG_GPHY_SHADOW,
  9367. &temp);
  9368. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9369. bnx2x_cl22_write(bp, phy,
  9370. MDIO_REG_GPHY_SHADOW,
  9371. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9372. /* Set up fc */
  9373. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9374. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9375. fc_val = 0;
  9376. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9377. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9378. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9379. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9380. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9381. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9382. /* Read all advertisement */
  9383. bnx2x_cl22_read(bp, phy,
  9384. 0x09,
  9385. &an_1000_val);
  9386. bnx2x_cl22_read(bp, phy,
  9387. 0x04,
  9388. &an_10_100_val);
  9389. bnx2x_cl22_read(bp, phy,
  9390. MDIO_PMA_REG_CTRL,
  9391. &autoneg_val);
  9392. /* Disable forced speed */
  9393. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9394. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9395. (1<<11));
  9396. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9397. (phy->speed_cap_mask &
  9398. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9399. (phy->req_line_speed == SPEED_1000)) {
  9400. an_1000_val |= (1<<8);
  9401. autoneg_val |= (1<<9 | 1<<12);
  9402. if (phy->req_duplex == DUPLEX_FULL)
  9403. an_1000_val |= (1<<9);
  9404. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9405. } else
  9406. an_1000_val &= ~((1<<8) | (1<<9));
  9407. bnx2x_cl22_write(bp, phy,
  9408. 0x09,
  9409. an_1000_val);
  9410. bnx2x_cl22_read(bp, phy,
  9411. 0x09,
  9412. &an_1000_val);
  9413. /* Set 100 speed advertisement */
  9414. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9415. (phy->speed_cap_mask &
  9416. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9417. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9418. an_10_100_val |= (1<<7);
  9419. /* Enable autoneg and restart autoneg for legacy speeds */
  9420. autoneg_val |= (1<<9 | 1<<12);
  9421. if (phy->req_duplex == DUPLEX_FULL)
  9422. an_10_100_val |= (1<<8);
  9423. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9424. }
  9425. /* Set 10 speed advertisement */
  9426. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9427. (phy->speed_cap_mask &
  9428. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9429. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9430. an_10_100_val |= (1<<5);
  9431. autoneg_val |= (1<<9 | 1<<12);
  9432. if (phy->req_duplex == DUPLEX_FULL)
  9433. an_10_100_val |= (1<<6);
  9434. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9435. }
  9436. /* Only 10/100 are allowed to work in FORCE mode */
  9437. if (phy->req_line_speed == SPEED_100) {
  9438. autoneg_val |= (1<<13);
  9439. /* Enabled AUTO-MDIX when autoneg is disabled */
  9440. bnx2x_cl22_write(bp, phy,
  9441. 0x18,
  9442. (1<<15 | 1<<9 | 7<<0));
  9443. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9444. }
  9445. if (phy->req_line_speed == SPEED_10) {
  9446. /* Enabled AUTO-MDIX when autoneg is disabled */
  9447. bnx2x_cl22_write(bp, phy,
  9448. 0x18,
  9449. (1<<15 | 1<<9 | 7<<0));
  9450. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9451. }
  9452. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9453. int rc;
  9454. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9455. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9456. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9457. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9458. temp &= 0xfffe;
  9459. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9460. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9461. if (rc) {
  9462. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9463. bnx2x_eee_disable(phy, params, vars);
  9464. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9465. (phy->req_duplex == DUPLEX_FULL) &&
  9466. (bnx2x_eee_calc_timer(params) ||
  9467. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9468. /* Need to advertise EEE only when requested,
  9469. * and either no LPI assertion was requested,
  9470. * or it was requested and a valid timer was set.
  9471. * Also notice full duplex is required for EEE.
  9472. */
  9473. bnx2x_eee_advertise(phy, params, vars,
  9474. SHMEM_EEE_1G_ADV);
  9475. } else {
  9476. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9477. bnx2x_eee_disable(phy, params, vars);
  9478. }
  9479. } else {
  9480. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9481. SHMEM_EEE_SUPPORTED_SHIFT;
  9482. if (phy->flags & FLAGS_EEE) {
  9483. /* Handle legacy auto-grEEEn */
  9484. if (params->feature_config_flags &
  9485. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9486. temp = 6;
  9487. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9488. } else {
  9489. temp = 0;
  9490. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9491. }
  9492. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9493. MDIO_AN_REG_EEE_ADV, temp);
  9494. }
  9495. }
  9496. bnx2x_cl22_write(bp, phy,
  9497. 0x04,
  9498. an_10_100_val | fc_val);
  9499. if (phy->req_duplex == DUPLEX_FULL)
  9500. autoneg_val |= (1<<8);
  9501. bnx2x_cl22_write(bp, phy,
  9502. MDIO_PMA_REG_CTRL, autoneg_val);
  9503. return 0;
  9504. }
  9505. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9506. struct link_params *params, u8 mode)
  9507. {
  9508. struct bnx2x *bp = params->bp;
  9509. u16 temp;
  9510. bnx2x_cl22_write(bp, phy,
  9511. MDIO_REG_GPHY_SHADOW,
  9512. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9513. bnx2x_cl22_read(bp, phy,
  9514. MDIO_REG_GPHY_SHADOW,
  9515. &temp);
  9516. temp &= 0xff00;
  9517. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9518. switch (mode) {
  9519. case LED_MODE_FRONT_PANEL_OFF:
  9520. case LED_MODE_OFF:
  9521. temp |= 0x00ee;
  9522. break;
  9523. case LED_MODE_OPER:
  9524. temp |= 0x0001;
  9525. break;
  9526. case LED_MODE_ON:
  9527. temp |= 0x00ff;
  9528. break;
  9529. default:
  9530. break;
  9531. }
  9532. bnx2x_cl22_write(bp, phy,
  9533. MDIO_REG_GPHY_SHADOW,
  9534. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9535. return;
  9536. }
  9537. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9538. struct link_params *params)
  9539. {
  9540. struct bnx2x *bp = params->bp;
  9541. u32 cfg_pin;
  9542. u8 port;
  9543. /* In case of no EPIO routed to reset the GPHY, put it
  9544. * in low power mode.
  9545. */
  9546. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9547. /* This works with E3 only, no need to check the chip
  9548. * before determining the port.
  9549. */
  9550. port = params->port;
  9551. cfg_pin = (REG_RD(bp, params->shmem_base +
  9552. offsetof(struct shmem_region,
  9553. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9554. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9555. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9556. /* Drive pin low to put GPHY in reset. */
  9557. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9558. }
  9559. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9560. struct link_params *params,
  9561. struct link_vars *vars)
  9562. {
  9563. struct bnx2x *bp = params->bp;
  9564. u16 val;
  9565. u8 link_up = 0;
  9566. u16 legacy_status, legacy_speed;
  9567. /* Get speed operation status */
  9568. bnx2x_cl22_read(bp, phy,
  9569. MDIO_REG_GPHY_AUX_STATUS,
  9570. &legacy_status);
  9571. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9572. /* Read status to clear the PHY interrupt. */
  9573. bnx2x_cl22_read(bp, phy,
  9574. MDIO_REG_INTR_STATUS,
  9575. &val);
  9576. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9577. if (link_up) {
  9578. legacy_speed = (legacy_status & (7<<8));
  9579. if (legacy_speed == (7<<8)) {
  9580. vars->line_speed = SPEED_1000;
  9581. vars->duplex = DUPLEX_FULL;
  9582. } else if (legacy_speed == (6<<8)) {
  9583. vars->line_speed = SPEED_1000;
  9584. vars->duplex = DUPLEX_HALF;
  9585. } else if (legacy_speed == (5<<8)) {
  9586. vars->line_speed = SPEED_100;
  9587. vars->duplex = DUPLEX_FULL;
  9588. }
  9589. /* Omitting 100Base-T4 for now */
  9590. else if (legacy_speed == (3<<8)) {
  9591. vars->line_speed = SPEED_100;
  9592. vars->duplex = DUPLEX_HALF;
  9593. } else if (legacy_speed == (2<<8)) {
  9594. vars->line_speed = SPEED_10;
  9595. vars->duplex = DUPLEX_FULL;
  9596. } else if (legacy_speed == (1<<8)) {
  9597. vars->line_speed = SPEED_10;
  9598. vars->duplex = DUPLEX_HALF;
  9599. } else /* Should not happen */
  9600. vars->line_speed = 0;
  9601. DP(NETIF_MSG_LINK,
  9602. "Link is up in %dMbps, is_duplex_full= %d\n",
  9603. vars->line_speed,
  9604. (vars->duplex == DUPLEX_FULL));
  9605. /* Check legacy speed AN resolution */
  9606. bnx2x_cl22_read(bp, phy,
  9607. 0x01,
  9608. &val);
  9609. if (val & (1<<5))
  9610. vars->link_status |=
  9611. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9612. bnx2x_cl22_read(bp, phy,
  9613. 0x06,
  9614. &val);
  9615. if ((val & (1<<0)) == 0)
  9616. vars->link_status |=
  9617. LINK_STATUS_PARALLEL_DETECTION_USED;
  9618. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9619. vars->line_speed);
  9620. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9621. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9622. /* Report LP advertised speeds */
  9623. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9624. if (val & (1<<5))
  9625. vars->link_status |=
  9626. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9627. if (val & (1<<6))
  9628. vars->link_status |=
  9629. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9630. if (val & (1<<7))
  9631. vars->link_status |=
  9632. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9633. if (val & (1<<8))
  9634. vars->link_status |=
  9635. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9636. if (val & (1<<9))
  9637. vars->link_status |=
  9638. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9639. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9640. if (val & (1<<10))
  9641. vars->link_status |=
  9642. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9643. if (val & (1<<11))
  9644. vars->link_status |=
  9645. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9646. if ((phy->flags & FLAGS_EEE) &&
  9647. bnx2x_eee_has_cap(params))
  9648. bnx2x_eee_an_resolve(phy, params, vars);
  9649. }
  9650. }
  9651. return link_up;
  9652. }
  9653. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9654. struct link_params *params)
  9655. {
  9656. struct bnx2x *bp = params->bp;
  9657. u16 val;
  9658. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9659. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9660. /* Enable master/slave manual mmode and set to master */
  9661. /* mii write 9 [bits set 11 12] */
  9662. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9663. /* forced 1G and disable autoneg */
  9664. /* set val [mii read 0] */
  9665. /* set val [expr $val & [bits clear 6 12 13]] */
  9666. /* set val [expr $val | [bits set 6 8]] */
  9667. /* mii write 0 $val */
  9668. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9669. val &= ~((1<<6) | (1<<12) | (1<<13));
  9670. val |= (1<<6) | (1<<8);
  9671. bnx2x_cl22_write(bp, phy, 0x00, val);
  9672. /* Set external loopback and Tx using 6dB coding */
  9673. /* mii write 0x18 7 */
  9674. /* set val [mii read 0x18] */
  9675. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9676. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9677. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9678. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9679. /* This register opens the gate for the UMAC despite its name */
  9680. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9681. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9682. * length used by the MAC receive logic to check frames.
  9683. */
  9684. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9685. }
  9686. /******************************************************************/
  9687. /* SFX7101 PHY SECTION */
  9688. /******************************************************************/
  9689. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9690. struct link_params *params)
  9691. {
  9692. struct bnx2x *bp = params->bp;
  9693. /* SFX7101_XGXS_TEST1 */
  9694. bnx2x_cl45_write(bp, phy,
  9695. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9696. }
  9697. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9698. struct link_params *params,
  9699. struct link_vars *vars)
  9700. {
  9701. u16 fw_ver1, fw_ver2, val;
  9702. struct bnx2x *bp = params->bp;
  9703. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9704. /* Restore normal power mode*/
  9705. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9706. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9707. /* HW reset */
  9708. bnx2x_ext_phy_hw_reset(bp, params->port);
  9709. bnx2x_wait_reset_complete(bp, phy, params);
  9710. bnx2x_cl45_write(bp, phy,
  9711. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9712. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9713. bnx2x_cl45_write(bp, phy,
  9714. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9715. bnx2x_ext_phy_set_pause(params, phy, vars);
  9716. /* Restart autoneg */
  9717. bnx2x_cl45_read(bp, phy,
  9718. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9719. val |= 0x200;
  9720. bnx2x_cl45_write(bp, phy,
  9721. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9722. /* Save spirom version */
  9723. bnx2x_cl45_read(bp, phy,
  9724. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9725. bnx2x_cl45_read(bp, phy,
  9726. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9727. bnx2x_save_spirom_version(bp, params->port,
  9728. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9729. return 0;
  9730. }
  9731. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9732. struct link_params *params,
  9733. struct link_vars *vars)
  9734. {
  9735. struct bnx2x *bp = params->bp;
  9736. u8 link_up;
  9737. u16 val1, val2;
  9738. bnx2x_cl45_read(bp, phy,
  9739. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9740. bnx2x_cl45_read(bp, phy,
  9741. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9742. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9743. val2, val1);
  9744. bnx2x_cl45_read(bp, phy,
  9745. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9746. bnx2x_cl45_read(bp, phy,
  9747. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9748. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9749. val2, val1);
  9750. link_up = ((val1 & 4) == 4);
  9751. /* If link is up print the AN outcome of the SFX7101 PHY */
  9752. if (link_up) {
  9753. bnx2x_cl45_read(bp, phy,
  9754. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9755. &val2);
  9756. vars->line_speed = SPEED_10000;
  9757. vars->duplex = DUPLEX_FULL;
  9758. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9759. val2, (val2 & (1<<14)));
  9760. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9761. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9762. /* Read LP advertised speeds */
  9763. if (val2 & (1<<11))
  9764. vars->link_status |=
  9765. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9766. }
  9767. return link_up;
  9768. }
  9769. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9770. {
  9771. if (*len < 5)
  9772. return -EINVAL;
  9773. str[0] = (spirom_ver & 0xFF);
  9774. str[1] = (spirom_ver & 0xFF00) >> 8;
  9775. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9776. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9777. str[4] = '\0';
  9778. *len -= 5;
  9779. return 0;
  9780. }
  9781. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9782. {
  9783. u16 val, cnt;
  9784. bnx2x_cl45_read(bp, phy,
  9785. MDIO_PMA_DEVAD,
  9786. MDIO_PMA_REG_7101_RESET, &val);
  9787. for (cnt = 0; cnt < 10; cnt++) {
  9788. msleep(50);
  9789. /* Writes a self-clearing reset */
  9790. bnx2x_cl45_write(bp, phy,
  9791. MDIO_PMA_DEVAD,
  9792. MDIO_PMA_REG_7101_RESET,
  9793. (val | (1<<15)));
  9794. /* Wait for clear */
  9795. bnx2x_cl45_read(bp, phy,
  9796. MDIO_PMA_DEVAD,
  9797. MDIO_PMA_REG_7101_RESET, &val);
  9798. if ((val & (1<<15)) == 0)
  9799. break;
  9800. }
  9801. }
  9802. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9803. struct link_params *params) {
  9804. /* Low power mode is controlled by GPIO 2 */
  9805. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9806. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9807. /* The PHY reset is controlled by GPIO 1 */
  9808. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9809. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9810. }
  9811. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9812. struct link_params *params, u8 mode)
  9813. {
  9814. u16 val = 0;
  9815. struct bnx2x *bp = params->bp;
  9816. switch (mode) {
  9817. case LED_MODE_FRONT_PANEL_OFF:
  9818. case LED_MODE_OFF:
  9819. val = 2;
  9820. break;
  9821. case LED_MODE_ON:
  9822. val = 1;
  9823. break;
  9824. case LED_MODE_OPER:
  9825. val = 0;
  9826. break;
  9827. }
  9828. bnx2x_cl45_write(bp, phy,
  9829. MDIO_PMA_DEVAD,
  9830. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9831. val);
  9832. }
  9833. /******************************************************************/
  9834. /* STATIC PHY DECLARATION */
  9835. /******************************************************************/
  9836. static const struct bnx2x_phy phy_null = {
  9837. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9838. .addr = 0,
  9839. .def_md_devad = 0,
  9840. .flags = FLAGS_INIT_XGXS_FIRST,
  9841. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9842. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9843. .mdio_ctrl = 0,
  9844. .supported = 0,
  9845. .media_type = ETH_PHY_NOT_PRESENT,
  9846. .ver_addr = 0,
  9847. .req_flow_ctrl = 0,
  9848. .req_line_speed = 0,
  9849. .speed_cap_mask = 0,
  9850. .req_duplex = 0,
  9851. .rsrv = 0,
  9852. .config_init = (config_init_t)NULL,
  9853. .read_status = (read_status_t)NULL,
  9854. .link_reset = (link_reset_t)NULL,
  9855. .config_loopback = (config_loopback_t)NULL,
  9856. .format_fw_ver = (format_fw_ver_t)NULL,
  9857. .hw_reset = (hw_reset_t)NULL,
  9858. .set_link_led = (set_link_led_t)NULL,
  9859. .phy_specific_func = (phy_specific_func_t)NULL
  9860. };
  9861. static const struct bnx2x_phy phy_serdes = {
  9862. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9863. .addr = 0xff,
  9864. .def_md_devad = 0,
  9865. .flags = 0,
  9866. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9867. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9868. .mdio_ctrl = 0,
  9869. .supported = (SUPPORTED_10baseT_Half |
  9870. SUPPORTED_10baseT_Full |
  9871. SUPPORTED_100baseT_Half |
  9872. SUPPORTED_100baseT_Full |
  9873. SUPPORTED_1000baseT_Full |
  9874. SUPPORTED_2500baseX_Full |
  9875. SUPPORTED_TP |
  9876. SUPPORTED_Autoneg |
  9877. SUPPORTED_Pause |
  9878. SUPPORTED_Asym_Pause),
  9879. .media_type = ETH_PHY_BASE_T,
  9880. .ver_addr = 0,
  9881. .req_flow_ctrl = 0,
  9882. .req_line_speed = 0,
  9883. .speed_cap_mask = 0,
  9884. .req_duplex = 0,
  9885. .rsrv = 0,
  9886. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9887. .read_status = (read_status_t)bnx2x_link_settings_status,
  9888. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9889. .config_loopback = (config_loopback_t)NULL,
  9890. .format_fw_ver = (format_fw_ver_t)NULL,
  9891. .hw_reset = (hw_reset_t)NULL,
  9892. .set_link_led = (set_link_led_t)NULL,
  9893. .phy_specific_func = (phy_specific_func_t)NULL
  9894. };
  9895. static const struct bnx2x_phy phy_xgxs = {
  9896. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9897. .addr = 0xff,
  9898. .def_md_devad = 0,
  9899. .flags = 0,
  9900. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9901. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9902. .mdio_ctrl = 0,
  9903. .supported = (SUPPORTED_10baseT_Half |
  9904. SUPPORTED_10baseT_Full |
  9905. SUPPORTED_100baseT_Half |
  9906. SUPPORTED_100baseT_Full |
  9907. SUPPORTED_1000baseT_Full |
  9908. SUPPORTED_2500baseX_Full |
  9909. SUPPORTED_10000baseT_Full |
  9910. SUPPORTED_FIBRE |
  9911. SUPPORTED_Autoneg |
  9912. SUPPORTED_Pause |
  9913. SUPPORTED_Asym_Pause),
  9914. .media_type = ETH_PHY_CX4,
  9915. .ver_addr = 0,
  9916. .req_flow_ctrl = 0,
  9917. .req_line_speed = 0,
  9918. .speed_cap_mask = 0,
  9919. .req_duplex = 0,
  9920. .rsrv = 0,
  9921. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9922. .read_status = (read_status_t)bnx2x_link_settings_status,
  9923. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9924. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9925. .format_fw_ver = (format_fw_ver_t)NULL,
  9926. .hw_reset = (hw_reset_t)NULL,
  9927. .set_link_led = (set_link_led_t)NULL,
  9928. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9929. };
  9930. static const struct bnx2x_phy phy_warpcore = {
  9931. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9932. .addr = 0xff,
  9933. .def_md_devad = 0,
  9934. .flags = FLAGS_TX_ERROR_CHECK,
  9935. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9936. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9937. .mdio_ctrl = 0,
  9938. .supported = (SUPPORTED_10baseT_Half |
  9939. SUPPORTED_10baseT_Full |
  9940. SUPPORTED_100baseT_Half |
  9941. SUPPORTED_100baseT_Full |
  9942. SUPPORTED_1000baseT_Full |
  9943. SUPPORTED_10000baseT_Full |
  9944. SUPPORTED_20000baseKR2_Full |
  9945. SUPPORTED_20000baseMLD2_Full |
  9946. SUPPORTED_FIBRE |
  9947. SUPPORTED_Autoneg |
  9948. SUPPORTED_Pause |
  9949. SUPPORTED_Asym_Pause),
  9950. .media_type = ETH_PHY_UNSPECIFIED,
  9951. .ver_addr = 0,
  9952. .req_flow_ctrl = 0,
  9953. .req_line_speed = 0,
  9954. .speed_cap_mask = 0,
  9955. /* req_duplex = */0,
  9956. /* rsrv = */0,
  9957. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9958. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9959. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9960. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9961. .format_fw_ver = (format_fw_ver_t)NULL,
  9962. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9963. .set_link_led = (set_link_led_t)NULL,
  9964. .phy_specific_func = (phy_specific_func_t)NULL
  9965. };
  9966. static const struct bnx2x_phy phy_7101 = {
  9967. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9968. .addr = 0xff,
  9969. .def_md_devad = 0,
  9970. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9971. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9972. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9973. .mdio_ctrl = 0,
  9974. .supported = (SUPPORTED_10000baseT_Full |
  9975. SUPPORTED_TP |
  9976. SUPPORTED_Autoneg |
  9977. SUPPORTED_Pause |
  9978. SUPPORTED_Asym_Pause),
  9979. .media_type = ETH_PHY_BASE_T,
  9980. .ver_addr = 0,
  9981. .req_flow_ctrl = 0,
  9982. .req_line_speed = 0,
  9983. .speed_cap_mask = 0,
  9984. .req_duplex = 0,
  9985. .rsrv = 0,
  9986. .config_init = (config_init_t)bnx2x_7101_config_init,
  9987. .read_status = (read_status_t)bnx2x_7101_read_status,
  9988. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9989. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9990. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9991. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9992. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9993. .phy_specific_func = (phy_specific_func_t)NULL
  9994. };
  9995. static const struct bnx2x_phy phy_8073 = {
  9996. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9997. .addr = 0xff,
  9998. .def_md_devad = 0,
  9999. .flags = 0,
  10000. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10001. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10002. .mdio_ctrl = 0,
  10003. .supported = (SUPPORTED_10000baseT_Full |
  10004. SUPPORTED_2500baseX_Full |
  10005. SUPPORTED_1000baseT_Full |
  10006. SUPPORTED_FIBRE |
  10007. SUPPORTED_Autoneg |
  10008. SUPPORTED_Pause |
  10009. SUPPORTED_Asym_Pause),
  10010. .media_type = ETH_PHY_KR,
  10011. .ver_addr = 0,
  10012. .req_flow_ctrl = 0,
  10013. .req_line_speed = 0,
  10014. .speed_cap_mask = 0,
  10015. .req_duplex = 0,
  10016. .rsrv = 0,
  10017. .config_init = (config_init_t)bnx2x_8073_config_init,
  10018. .read_status = (read_status_t)bnx2x_8073_read_status,
  10019. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10020. .config_loopback = (config_loopback_t)NULL,
  10021. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10022. .hw_reset = (hw_reset_t)NULL,
  10023. .set_link_led = (set_link_led_t)NULL,
  10024. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10025. };
  10026. static const struct bnx2x_phy phy_8705 = {
  10027. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10028. .addr = 0xff,
  10029. .def_md_devad = 0,
  10030. .flags = FLAGS_INIT_XGXS_FIRST,
  10031. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10032. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10033. .mdio_ctrl = 0,
  10034. .supported = (SUPPORTED_10000baseT_Full |
  10035. SUPPORTED_FIBRE |
  10036. SUPPORTED_Pause |
  10037. SUPPORTED_Asym_Pause),
  10038. .media_type = ETH_PHY_XFP_FIBER,
  10039. .ver_addr = 0,
  10040. .req_flow_ctrl = 0,
  10041. .req_line_speed = 0,
  10042. .speed_cap_mask = 0,
  10043. .req_duplex = 0,
  10044. .rsrv = 0,
  10045. .config_init = (config_init_t)bnx2x_8705_config_init,
  10046. .read_status = (read_status_t)bnx2x_8705_read_status,
  10047. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10048. .config_loopback = (config_loopback_t)NULL,
  10049. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10050. .hw_reset = (hw_reset_t)NULL,
  10051. .set_link_led = (set_link_led_t)NULL,
  10052. .phy_specific_func = (phy_specific_func_t)NULL
  10053. };
  10054. static const struct bnx2x_phy phy_8706 = {
  10055. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10056. .addr = 0xff,
  10057. .def_md_devad = 0,
  10058. .flags = FLAGS_INIT_XGXS_FIRST,
  10059. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10060. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10061. .mdio_ctrl = 0,
  10062. .supported = (SUPPORTED_10000baseT_Full |
  10063. SUPPORTED_1000baseT_Full |
  10064. SUPPORTED_FIBRE |
  10065. SUPPORTED_Pause |
  10066. SUPPORTED_Asym_Pause),
  10067. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10068. .ver_addr = 0,
  10069. .req_flow_ctrl = 0,
  10070. .req_line_speed = 0,
  10071. .speed_cap_mask = 0,
  10072. .req_duplex = 0,
  10073. .rsrv = 0,
  10074. .config_init = (config_init_t)bnx2x_8706_config_init,
  10075. .read_status = (read_status_t)bnx2x_8706_read_status,
  10076. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10077. .config_loopback = (config_loopback_t)NULL,
  10078. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10079. .hw_reset = (hw_reset_t)NULL,
  10080. .set_link_led = (set_link_led_t)NULL,
  10081. .phy_specific_func = (phy_specific_func_t)NULL
  10082. };
  10083. static const struct bnx2x_phy phy_8726 = {
  10084. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10085. .addr = 0xff,
  10086. .def_md_devad = 0,
  10087. .flags = (FLAGS_INIT_XGXS_FIRST |
  10088. FLAGS_TX_ERROR_CHECK),
  10089. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10090. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10091. .mdio_ctrl = 0,
  10092. .supported = (SUPPORTED_10000baseT_Full |
  10093. SUPPORTED_1000baseT_Full |
  10094. SUPPORTED_Autoneg |
  10095. SUPPORTED_FIBRE |
  10096. SUPPORTED_Pause |
  10097. SUPPORTED_Asym_Pause),
  10098. .media_type = ETH_PHY_NOT_PRESENT,
  10099. .ver_addr = 0,
  10100. .req_flow_ctrl = 0,
  10101. .req_line_speed = 0,
  10102. .speed_cap_mask = 0,
  10103. .req_duplex = 0,
  10104. .rsrv = 0,
  10105. .config_init = (config_init_t)bnx2x_8726_config_init,
  10106. .read_status = (read_status_t)bnx2x_8726_read_status,
  10107. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10108. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10109. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10110. .hw_reset = (hw_reset_t)NULL,
  10111. .set_link_led = (set_link_led_t)NULL,
  10112. .phy_specific_func = (phy_specific_func_t)NULL
  10113. };
  10114. static const struct bnx2x_phy phy_8727 = {
  10115. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10116. .addr = 0xff,
  10117. .def_md_devad = 0,
  10118. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10119. FLAGS_TX_ERROR_CHECK),
  10120. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10121. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10122. .mdio_ctrl = 0,
  10123. .supported = (SUPPORTED_10000baseT_Full |
  10124. SUPPORTED_1000baseT_Full |
  10125. SUPPORTED_FIBRE |
  10126. SUPPORTED_Pause |
  10127. SUPPORTED_Asym_Pause),
  10128. .media_type = ETH_PHY_NOT_PRESENT,
  10129. .ver_addr = 0,
  10130. .req_flow_ctrl = 0,
  10131. .req_line_speed = 0,
  10132. .speed_cap_mask = 0,
  10133. .req_duplex = 0,
  10134. .rsrv = 0,
  10135. .config_init = (config_init_t)bnx2x_8727_config_init,
  10136. .read_status = (read_status_t)bnx2x_8727_read_status,
  10137. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10138. .config_loopback = (config_loopback_t)NULL,
  10139. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10140. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10141. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10142. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10143. };
  10144. static const struct bnx2x_phy phy_8481 = {
  10145. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10146. .addr = 0xff,
  10147. .def_md_devad = 0,
  10148. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10149. FLAGS_REARM_LATCH_SIGNAL,
  10150. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10151. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10152. .mdio_ctrl = 0,
  10153. .supported = (SUPPORTED_10baseT_Half |
  10154. SUPPORTED_10baseT_Full |
  10155. SUPPORTED_100baseT_Half |
  10156. SUPPORTED_100baseT_Full |
  10157. SUPPORTED_1000baseT_Full |
  10158. SUPPORTED_10000baseT_Full |
  10159. SUPPORTED_TP |
  10160. SUPPORTED_Autoneg |
  10161. SUPPORTED_Pause |
  10162. SUPPORTED_Asym_Pause),
  10163. .media_type = ETH_PHY_BASE_T,
  10164. .ver_addr = 0,
  10165. .req_flow_ctrl = 0,
  10166. .req_line_speed = 0,
  10167. .speed_cap_mask = 0,
  10168. .req_duplex = 0,
  10169. .rsrv = 0,
  10170. .config_init = (config_init_t)bnx2x_8481_config_init,
  10171. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10172. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10173. .config_loopback = (config_loopback_t)NULL,
  10174. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10175. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10176. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10177. .phy_specific_func = (phy_specific_func_t)NULL
  10178. };
  10179. static const struct bnx2x_phy phy_84823 = {
  10180. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10181. .addr = 0xff,
  10182. .def_md_devad = 0,
  10183. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10184. FLAGS_REARM_LATCH_SIGNAL |
  10185. FLAGS_TX_ERROR_CHECK),
  10186. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10187. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10188. .mdio_ctrl = 0,
  10189. .supported = (SUPPORTED_10baseT_Half |
  10190. SUPPORTED_10baseT_Full |
  10191. SUPPORTED_100baseT_Half |
  10192. SUPPORTED_100baseT_Full |
  10193. SUPPORTED_1000baseT_Full |
  10194. SUPPORTED_10000baseT_Full |
  10195. SUPPORTED_TP |
  10196. SUPPORTED_Autoneg |
  10197. SUPPORTED_Pause |
  10198. SUPPORTED_Asym_Pause),
  10199. .media_type = ETH_PHY_BASE_T,
  10200. .ver_addr = 0,
  10201. .req_flow_ctrl = 0,
  10202. .req_line_speed = 0,
  10203. .speed_cap_mask = 0,
  10204. .req_duplex = 0,
  10205. .rsrv = 0,
  10206. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10207. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10208. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10209. .config_loopback = (config_loopback_t)NULL,
  10210. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10211. .hw_reset = (hw_reset_t)NULL,
  10212. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10213. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10214. };
  10215. static const struct bnx2x_phy phy_84833 = {
  10216. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10217. .addr = 0xff,
  10218. .def_md_devad = 0,
  10219. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10220. FLAGS_REARM_LATCH_SIGNAL |
  10221. FLAGS_TX_ERROR_CHECK),
  10222. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10223. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10224. .mdio_ctrl = 0,
  10225. .supported = (SUPPORTED_100baseT_Half |
  10226. SUPPORTED_100baseT_Full |
  10227. SUPPORTED_1000baseT_Full |
  10228. SUPPORTED_10000baseT_Full |
  10229. SUPPORTED_TP |
  10230. SUPPORTED_Autoneg |
  10231. SUPPORTED_Pause |
  10232. SUPPORTED_Asym_Pause),
  10233. .media_type = ETH_PHY_BASE_T,
  10234. .ver_addr = 0,
  10235. .req_flow_ctrl = 0,
  10236. .req_line_speed = 0,
  10237. .speed_cap_mask = 0,
  10238. .req_duplex = 0,
  10239. .rsrv = 0,
  10240. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10241. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10242. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10243. .config_loopback = (config_loopback_t)NULL,
  10244. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10245. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10246. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10247. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10248. };
  10249. static const struct bnx2x_phy phy_84834 = {
  10250. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10251. .addr = 0xff,
  10252. .def_md_devad = 0,
  10253. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10254. FLAGS_REARM_LATCH_SIGNAL,
  10255. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10256. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10257. .mdio_ctrl = 0,
  10258. .supported = (SUPPORTED_100baseT_Half |
  10259. SUPPORTED_100baseT_Full |
  10260. SUPPORTED_1000baseT_Full |
  10261. SUPPORTED_10000baseT_Full |
  10262. SUPPORTED_TP |
  10263. SUPPORTED_Autoneg |
  10264. SUPPORTED_Pause |
  10265. SUPPORTED_Asym_Pause),
  10266. .media_type = ETH_PHY_BASE_T,
  10267. .ver_addr = 0,
  10268. .req_flow_ctrl = 0,
  10269. .req_line_speed = 0,
  10270. .speed_cap_mask = 0,
  10271. .req_duplex = 0,
  10272. .rsrv = 0,
  10273. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10274. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10275. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10276. .config_loopback = (config_loopback_t)NULL,
  10277. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10278. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10279. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10280. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10281. };
  10282. static const struct bnx2x_phy phy_54618se = {
  10283. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10284. .addr = 0xff,
  10285. .def_md_devad = 0,
  10286. .flags = FLAGS_INIT_XGXS_FIRST,
  10287. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10288. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10289. .mdio_ctrl = 0,
  10290. .supported = (SUPPORTED_10baseT_Half |
  10291. SUPPORTED_10baseT_Full |
  10292. SUPPORTED_100baseT_Half |
  10293. SUPPORTED_100baseT_Full |
  10294. SUPPORTED_1000baseT_Full |
  10295. SUPPORTED_TP |
  10296. SUPPORTED_Autoneg |
  10297. SUPPORTED_Pause |
  10298. SUPPORTED_Asym_Pause),
  10299. .media_type = ETH_PHY_BASE_T,
  10300. .ver_addr = 0,
  10301. .req_flow_ctrl = 0,
  10302. .req_line_speed = 0,
  10303. .speed_cap_mask = 0,
  10304. /* req_duplex = */0,
  10305. /* rsrv = */0,
  10306. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10307. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10308. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10309. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10310. .format_fw_ver = (format_fw_ver_t)NULL,
  10311. .hw_reset = (hw_reset_t)NULL,
  10312. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10313. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10314. };
  10315. /*****************************************************************/
  10316. /* */
  10317. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10318. /* */
  10319. /*****************************************************************/
  10320. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10321. struct bnx2x_phy *phy, u8 port,
  10322. u8 phy_index)
  10323. {
  10324. /* Get the 4 lanes xgxs config rx and tx */
  10325. u32 rx = 0, tx = 0, i;
  10326. for (i = 0; i < 2; i++) {
  10327. /* INT_PHY and EXT_PHY1 share the same value location in
  10328. * the shmem. When num_phys is greater than 1, than this value
  10329. * applies only to EXT_PHY1
  10330. */
  10331. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10332. rx = REG_RD(bp, shmem_base +
  10333. offsetof(struct shmem_region,
  10334. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10335. tx = REG_RD(bp, shmem_base +
  10336. offsetof(struct shmem_region,
  10337. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10338. } else {
  10339. rx = REG_RD(bp, shmem_base +
  10340. offsetof(struct shmem_region,
  10341. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10342. tx = REG_RD(bp, shmem_base +
  10343. offsetof(struct shmem_region,
  10344. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10345. }
  10346. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10347. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10348. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10349. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10350. }
  10351. }
  10352. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10353. u8 phy_index, u8 port)
  10354. {
  10355. u32 ext_phy_config = 0;
  10356. switch (phy_index) {
  10357. case EXT_PHY1:
  10358. ext_phy_config = REG_RD(bp, shmem_base +
  10359. offsetof(struct shmem_region,
  10360. dev_info.port_hw_config[port].external_phy_config));
  10361. break;
  10362. case EXT_PHY2:
  10363. ext_phy_config = REG_RD(bp, shmem_base +
  10364. offsetof(struct shmem_region,
  10365. dev_info.port_hw_config[port].external_phy_config2));
  10366. break;
  10367. default:
  10368. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10369. return -EINVAL;
  10370. }
  10371. return ext_phy_config;
  10372. }
  10373. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10374. struct bnx2x_phy *phy)
  10375. {
  10376. u32 phy_addr;
  10377. u32 chip_id;
  10378. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10379. offsetof(struct shmem_region,
  10380. dev_info.port_feature_config[port].link_config)) &
  10381. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10382. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10383. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10384. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10385. if (USES_WARPCORE(bp)) {
  10386. u32 serdes_net_if;
  10387. phy_addr = REG_RD(bp,
  10388. MISC_REG_WC0_CTRL_PHY_ADDR);
  10389. *phy = phy_warpcore;
  10390. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10391. phy->flags |= FLAGS_4_PORT_MODE;
  10392. else
  10393. phy->flags &= ~FLAGS_4_PORT_MODE;
  10394. /* Check Dual mode */
  10395. serdes_net_if = (REG_RD(bp, shmem_base +
  10396. offsetof(struct shmem_region, dev_info.
  10397. port_hw_config[port].default_cfg)) &
  10398. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10399. /* Set the appropriate supported and flags indications per
  10400. * interface type of the chip
  10401. */
  10402. switch (serdes_net_if) {
  10403. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10404. phy->supported &= (SUPPORTED_10baseT_Half |
  10405. SUPPORTED_10baseT_Full |
  10406. SUPPORTED_100baseT_Half |
  10407. SUPPORTED_100baseT_Full |
  10408. SUPPORTED_1000baseT_Full |
  10409. SUPPORTED_FIBRE |
  10410. SUPPORTED_Autoneg |
  10411. SUPPORTED_Pause |
  10412. SUPPORTED_Asym_Pause);
  10413. phy->media_type = ETH_PHY_BASE_T;
  10414. break;
  10415. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10416. phy->supported &= (SUPPORTED_1000baseT_Full |
  10417. SUPPORTED_10000baseT_Full |
  10418. SUPPORTED_FIBRE |
  10419. SUPPORTED_Pause |
  10420. SUPPORTED_Asym_Pause);
  10421. phy->media_type = ETH_PHY_XFP_FIBER;
  10422. break;
  10423. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10424. phy->supported &= (SUPPORTED_1000baseT_Full |
  10425. SUPPORTED_10000baseT_Full |
  10426. SUPPORTED_FIBRE |
  10427. SUPPORTED_Pause |
  10428. SUPPORTED_Asym_Pause);
  10429. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10430. break;
  10431. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10432. phy->media_type = ETH_PHY_KR;
  10433. phy->supported &= (SUPPORTED_1000baseT_Full |
  10434. SUPPORTED_10000baseT_Full |
  10435. SUPPORTED_FIBRE |
  10436. SUPPORTED_Autoneg |
  10437. SUPPORTED_Pause |
  10438. SUPPORTED_Asym_Pause);
  10439. break;
  10440. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10441. phy->media_type = ETH_PHY_KR;
  10442. phy->flags |= FLAGS_WC_DUAL_MODE;
  10443. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10444. SUPPORTED_FIBRE |
  10445. SUPPORTED_Pause |
  10446. SUPPORTED_Asym_Pause);
  10447. break;
  10448. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10449. phy->media_type = ETH_PHY_KR;
  10450. phy->flags |= FLAGS_WC_DUAL_MODE;
  10451. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10452. SUPPORTED_Autoneg |
  10453. SUPPORTED_FIBRE |
  10454. SUPPORTED_Pause |
  10455. SUPPORTED_Asym_Pause);
  10456. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10457. break;
  10458. default:
  10459. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10460. serdes_net_if);
  10461. break;
  10462. }
  10463. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10464. * was not set as expected. For B0, ECO will be enabled so there
  10465. * won't be an issue there
  10466. */
  10467. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10468. phy->flags |= FLAGS_MDC_MDIO_WA;
  10469. else
  10470. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10471. } else {
  10472. switch (switch_cfg) {
  10473. case SWITCH_CFG_1G:
  10474. phy_addr = REG_RD(bp,
  10475. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10476. port * 0x10);
  10477. *phy = phy_serdes;
  10478. break;
  10479. case SWITCH_CFG_10G:
  10480. phy_addr = REG_RD(bp,
  10481. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10482. port * 0x18);
  10483. *phy = phy_xgxs;
  10484. break;
  10485. default:
  10486. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10487. return -EINVAL;
  10488. }
  10489. }
  10490. phy->addr = (u8)phy_addr;
  10491. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10492. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10493. port);
  10494. if (CHIP_IS_E2(bp))
  10495. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10496. else
  10497. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10498. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10499. port, phy->addr, phy->mdio_ctrl);
  10500. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10501. return 0;
  10502. }
  10503. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10504. u8 phy_index,
  10505. u32 shmem_base,
  10506. u32 shmem2_base,
  10507. u8 port,
  10508. struct bnx2x_phy *phy)
  10509. {
  10510. u32 ext_phy_config, phy_type, config2;
  10511. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10512. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10513. phy_index, port);
  10514. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10515. /* Select the phy type */
  10516. switch (phy_type) {
  10517. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10518. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10519. *phy = phy_8073;
  10520. break;
  10521. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10522. *phy = phy_8705;
  10523. break;
  10524. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10525. *phy = phy_8706;
  10526. break;
  10527. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10528. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10529. *phy = phy_8726;
  10530. break;
  10531. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10532. /* BCM8727_NOC => BCM8727 no over current */
  10533. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10534. *phy = phy_8727;
  10535. phy->flags |= FLAGS_NOC;
  10536. break;
  10537. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10538. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10539. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10540. *phy = phy_8727;
  10541. break;
  10542. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10543. *phy = phy_8481;
  10544. break;
  10545. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10546. *phy = phy_84823;
  10547. break;
  10548. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10549. *phy = phy_84833;
  10550. break;
  10551. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10552. *phy = phy_84834;
  10553. break;
  10554. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10555. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10556. *phy = phy_54618se;
  10557. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10558. phy->flags |= FLAGS_EEE;
  10559. break;
  10560. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10561. *phy = phy_7101;
  10562. break;
  10563. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10564. *phy = phy_null;
  10565. return -EINVAL;
  10566. default:
  10567. *phy = phy_null;
  10568. /* In case external PHY wasn't found */
  10569. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10570. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10571. return -EINVAL;
  10572. return 0;
  10573. }
  10574. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10575. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10576. /* The shmem address of the phy version is located on different
  10577. * structures. In case this structure is too old, do not set
  10578. * the address
  10579. */
  10580. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10581. dev_info.shared_hw_config.config2));
  10582. if (phy_index == EXT_PHY1) {
  10583. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10584. port_mb[port].ext_phy_fw_version);
  10585. /* Check specific mdc mdio settings */
  10586. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10587. mdc_mdio_access = config2 &
  10588. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10589. } else {
  10590. u32 size = REG_RD(bp, shmem2_base);
  10591. if (size >
  10592. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10593. phy->ver_addr = shmem2_base +
  10594. offsetof(struct shmem2_region,
  10595. ext_phy_fw_version2[port]);
  10596. }
  10597. /* Check specific mdc mdio settings */
  10598. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10599. mdc_mdio_access = (config2 &
  10600. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10601. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10602. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10603. }
  10604. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10605. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10606. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10607. (phy->ver_addr)) {
  10608. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10609. * version lower than or equal to 1.39
  10610. */
  10611. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10612. if (((raw_ver & 0x7F) <= 39) &&
  10613. (((raw_ver & 0xF80) >> 7) <= 1))
  10614. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10615. SUPPORTED_100baseT_Full);
  10616. }
  10617. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10618. phy_type, port, phy_index);
  10619. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10620. phy->addr, phy->mdio_ctrl);
  10621. return 0;
  10622. }
  10623. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10624. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10625. {
  10626. int status = 0;
  10627. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10628. if (phy_index == INT_PHY)
  10629. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10630. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10631. port, phy);
  10632. return status;
  10633. }
  10634. static void bnx2x_phy_def_cfg(struct link_params *params,
  10635. struct bnx2x_phy *phy,
  10636. u8 phy_index)
  10637. {
  10638. struct bnx2x *bp = params->bp;
  10639. u32 link_config;
  10640. /* Populate the default phy configuration for MF mode */
  10641. if (phy_index == EXT_PHY2) {
  10642. link_config = REG_RD(bp, params->shmem_base +
  10643. offsetof(struct shmem_region, dev_info.
  10644. port_feature_config[params->port].link_config2));
  10645. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10646. offsetof(struct shmem_region,
  10647. dev_info.
  10648. port_hw_config[params->port].speed_capability_mask2));
  10649. } else {
  10650. link_config = REG_RD(bp, params->shmem_base +
  10651. offsetof(struct shmem_region, dev_info.
  10652. port_feature_config[params->port].link_config));
  10653. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10654. offsetof(struct shmem_region,
  10655. dev_info.
  10656. port_hw_config[params->port].speed_capability_mask));
  10657. }
  10658. DP(NETIF_MSG_LINK,
  10659. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10660. phy_index, link_config, phy->speed_cap_mask);
  10661. phy->req_duplex = DUPLEX_FULL;
  10662. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10663. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10664. phy->req_duplex = DUPLEX_HALF;
  10665. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10666. phy->req_line_speed = SPEED_10;
  10667. break;
  10668. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10669. phy->req_duplex = DUPLEX_HALF;
  10670. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10671. phy->req_line_speed = SPEED_100;
  10672. break;
  10673. case PORT_FEATURE_LINK_SPEED_1G:
  10674. phy->req_line_speed = SPEED_1000;
  10675. break;
  10676. case PORT_FEATURE_LINK_SPEED_2_5G:
  10677. phy->req_line_speed = SPEED_2500;
  10678. break;
  10679. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10680. phy->req_line_speed = SPEED_10000;
  10681. break;
  10682. default:
  10683. phy->req_line_speed = SPEED_AUTO_NEG;
  10684. break;
  10685. }
  10686. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10687. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10688. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10689. break;
  10690. case PORT_FEATURE_FLOW_CONTROL_TX:
  10691. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10692. break;
  10693. case PORT_FEATURE_FLOW_CONTROL_RX:
  10694. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10695. break;
  10696. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10697. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10698. break;
  10699. default:
  10700. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10701. break;
  10702. }
  10703. }
  10704. u32 bnx2x_phy_selection(struct link_params *params)
  10705. {
  10706. u32 phy_config_swapped, prio_cfg;
  10707. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10708. phy_config_swapped = params->multi_phy_config &
  10709. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10710. prio_cfg = params->multi_phy_config &
  10711. PORT_HW_CFG_PHY_SELECTION_MASK;
  10712. if (phy_config_swapped) {
  10713. switch (prio_cfg) {
  10714. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10715. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10716. break;
  10717. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10718. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10719. break;
  10720. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10721. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10722. break;
  10723. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10724. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10725. break;
  10726. }
  10727. } else
  10728. return_cfg = prio_cfg;
  10729. return return_cfg;
  10730. }
  10731. int bnx2x_phy_probe(struct link_params *params)
  10732. {
  10733. u8 phy_index, actual_phy_idx;
  10734. u32 phy_config_swapped, sync_offset, media_types;
  10735. struct bnx2x *bp = params->bp;
  10736. struct bnx2x_phy *phy;
  10737. params->num_phys = 0;
  10738. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10739. phy_config_swapped = params->multi_phy_config &
  10740. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10741. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10742. phy_index++) {
  10743. actual_phy_idx = phy_index;
  10744. if (phy_config_swapped) {
  10745. if (phy_index == EXT_PHY1)
  10746. actual_phy_idx = EXT_PHY2;
  10747. else if (phy_index == EXT_PHY2)
  10748. actual_phy_idx = EXT_PHY1;
  10749. }
  10750. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10751. " actual_phy_idx %x\n", phy_config_swapped,
  10752. phy_index, actual_phy_idx);
  10753. phy = &params->phy[actual_phy_idx];
  10754. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10755. params->shmem2_base, params->port,
  10756. phy) != 0) {
  10757. params->num_phys = 0;
  10758. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10759. phy_index);
  10760. for (phy_index = INT_PHY;
  10761. phy_index < MAX_PHYS;
  10762. phy_index++)
  10763. *phy = phy_null;
  10764. return -EINVAL;
  10765. }
  10766. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10767. break;
  10768. if (params->feature_config_flags &
  10769. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10770. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10771. if (!(params->feature_config_flags &
  10772. FEATURE_CONFIG_MT_SUPPORT))
  10773. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10774. sync_offset = params->shmem_base +
  10775. offsetof(struct shmem_region,
  10776. dev_info.port_hw_config[params->port].media_type);
  10777. media_types = REG_RD(bp, sync_offset);
  10778. /* Update media type for non-PMF sync only for the first time
  10779. * In case the media type changes afterwards, it will be updated
  10780. * using the update_status function
  10781. */
  10782. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10783. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10784. actual_phy_idx))) == 0) {
  10785. media_types |= ((phy->media_type &
  10786. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10787. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10788. actual_phy_idx));
  10789. }
  10790. REG_WR(bp, sync_offset, media_types);
  10791. bnx2x_phy_def_cfg(params, phy, phy_index);
  10792. params->num_phys++;
  10793. }
  10794. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10795. return 0;
  10796. }
  10797. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10798. struct link_vars *vars)
  10799. {
  10800. struct bnx2x *bp = params->bp;
  10801. vars->link_up = 1;
  10802. vars->line_speed = SPEED_10000;
  10803. vars->duplex = DUPLEX_FULL;
  10804. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10805. vars->mac_type = MAC_TYPE_BMAC;
  10806. vars->phy_flags = PHY_XGXS_FLAG;
  10807. bnx2x_xgxs_deassert(params);
  10808. /* set bmac loopback */
  10809. bnx2x_bmac_enable(params, vars, 1, 1);
  10810. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10811. }
  10812. static void bnx2x_init_emac_loopback(struct link_params *params,
  10813. struct link_vars *vars)
  10814. {
  10815. struct bnx2x *bp = params->bp;
  10816. vars->link_up = 1;
  10817. vars->line_speed = SPEED_1000;
  10818. vars->duplex = DUPLEX_FULL;
  10819. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10820. vars->mac_type = MAC_TYPE_EMAC;
  10821. vars->phy_flags = PHY_XGXS_FLAG;
  10822. bnx2x_xgxs_deassert(params);
  10823. /* set bmac loopback */
  10824. bnx2x_emac_enable(params, vars, 1);
  10825. bnx2x_emac_program(params, vars);
  10826. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10827. }
  10828. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10829. struct link_vars *vars)
  10830. {
  10831. struct bnx2x *bp = params->bp;
  10832. vars->link_up = 1;
  10833. if (!params->req_line_speed[0])
  10834. vars->line_speed = SPEED_10000;
  10835. else
  10836. vars->line_speed = params->req_line_speed[0];
  10837. vars->duplex = DUPLEX_FULL;
  10838. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10839. vars->mac_type = MAC_TYPE_XMAC;
  10840. vars->phy_flags = PHY_XGXS_FLAG;
  10841. /* Set WC to loopback mode since link is required to provide clock
  10842. * to the XMAC in 20G mode
  10843. */
  10844. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10845. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10846. params->phy[INT_PHY].config_loopback(
  10847. &params->phy[INT_PHY],
  10848. params);
  10849. bnx2x_xmac_enable(params, vars, 1);
  10850. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10851. }
  10852. static void bnx2x_init_umac_loopback(struct link_params *params,
  10853. struct link_vars *vars)
  10854. {
  10855. struct bnx2x *bp = params->bp;
  10856. vars->link_up = 1;
  10857. vars->line_speed = SPEED_1000;
  10858. vars->duplex = DUPLEX_FULL;
  10859. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10860. vars->mac_type = MAC_TYPE_UMAC;
  10861. vars->phy_flags = PHY_XGXS_FLAG;
  10862. bnx2x_umac_enable(params, vars, 1);
  10863. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10864. }
  10865. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10866. struct link_vars *vars)
  10867. {
  10868. struct bnx2x *bp = params->bp;
  10869. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10870. vars->link_up = 1;
  10871. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10872. vars->duplex = DUPLEX_FULL;
  10873. if (params->req_line_speed[0] == SPEED_1000)
  10874. vars->line_speed = SPEED_1000;
  10875. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10876. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10877. vars->line_speed = SPEED_20000;
  10878. else
  10879. vars->line_speed = SPEED_10000;
  10880. if (!USES_WARPCORE(bp))
  10881. bnx2x_xgxs_deassert(params);
  10882. bnx2x_link_initialize(params, vars);
  10883. if (params->req_line_speed[0] == SPEED_1000) {
  10884. if (USES_WARPCORE(bp))
  10885. bnx2x_umac_enable(params, vars, 0);
  10886. else {
  10887. bnx2x_emac_program(params, vars);
  10888. bnx2x_emac_enable(params, vars, 0);
  10889. }
  10890. } else {
  10891. if (USES_WARPCORE(bp))
  10892. bnx2x_xmac_enable(params, vars, 0);
  10893. else
  10894. bnx2x_bmac_enable(params, vars, 0, 1);
  10895. }
  10896. if (params->loopback_mode == LOOPBACK_XGXS) {
  10897. /* Set 10G XGXS loopback */
  10898. int_phy->config_loopback(int_phy, params);
  10899. } else {
  10900. /* Set external phy loopback */
  10901. u8 phy_index;
  10902. for (phy_index = EXT_PHY1;
  10903. phy_index < params->num_phys; phy_index++)
  10904. if (params->phy[phy_index].config_loopback)
  10905. params->phy[phy_index].config_loopback(
  10906. &params->phy[phy_index],
  10907. params);
  10908. }
  10909. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10910. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10911. }
  10912. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10913. {
  10914. struct bnx2x *bp = params->bp;
  10915. u8 val = en * 0x1F;
  10916. /* Open / close the gate between the NIG and the BRB */
  10917. if (!CHIP_IS_E1x(bp))
  10918. val |= en * 0x20;
  10919. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10920. if (!CHIP_IS_E1(bp)) {
  10921. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10922. en*0x3);
  10923. }
  10924. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10925. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10926. }
  10927. static int bnx2x_avoid_link_flap(struct link_params *params,
  10928. struct link_vars *vars)
  10929. {
  10930. u32 phy_idx;
  10931. u32 dont_clear_stat, lfa_sts;
  10932. struct bnx2x *bp = params->bp;
  10933. /* Sync the link parameters */
  10934. bnx2x_link_status_update(params, vars);
  10935. /*
  10936. * The module verification was already done by previous link owner,
  10937. * so this call is meant only to get warning message
  10938. */
  10939. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10940. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10941. if (phy->phy_specific_func) {
  10942. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10943. phy->phy_specific_func(phy, params, PHY_INIT);
  10944. }
  10945. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10946. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10947. (phy->media_type == ETH_PHY_DA_TWINAX))
  10948. bnx2x_verify_sfp_module(phy, params);
  10949. }
  10950. lfa_sts = REG_RD(bp, params->lfa_base +
  10951. offsetof(struct shmem_lfa,
  10952. lfa_sts));
  10953. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10954. /* Re-enable the NIG/MAC */
  10955. if (CHIP_IS_E3(bp)) {
  10956. if (!dont_clear_stat) {
  10957. REG_WR(bp, GRCBASE_MISC +
  10958. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10959. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10960. params->port));
  10961. REG_WR(bp, GRCBASE_MISC +
  10962. MISC_REGISTERS_RESET_REG_2_SET,
  10963. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10964. params->port));
  10965. }
  10966. if (vars->line_speed < SPEED_10000)
  10967. bnx2x_umac_enable(params, vars, 0);
  10968. else
  10969. bnx2x_xmac_enable(params, vars, 0);
  10970. } else {
  10971. if (vars->line_speed < SPEED_10000)
  10972. bnx2x_emac_enable(params, vars, 0);
  10973. else
  10974. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  10975. }
  10976. /* Increment LFA count */
  10977. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  10978. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  10979. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  10980. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  10981. /* Clear link flap reason */
  10982. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10983. REG_WR(bp, params->lfa_base +
  10984. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10985. /* Disable NIG DRAIN */
  10986. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10987. /* Enable interrupts */
  10988. bnx2x_link_int_enable(params);
  10989. return 0;
  10990. }
  10991. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  10992. struct link_vars *vars,
  10993. int lfa_status)
  10994. {
  10995. u32 lfa_sts, cfg_idx, tmp_val;
  10996. struct bnx2x *bp = params->bp;
  10997. bnx2x_link_reset(params, vars, 1);
  10998. if (!params->lfa_base)
  10999. return;
  11000. /* Store the new link parameters */
  11001. REG_WR(bp, params->lfa_base +
  11002. offsetof(struct shmem_lfa, req_duplex),
  11003. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11004. REG_WR(bp, params->lfa_base +
  11005. offsetof(struct shmem_lfa, req_flow_ctrl),
  11006. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11007. REG_WR(bp, params->lfa_base +
  11008. offsetof(struct shmem_lfa, req_line_speed),
  11009. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11010. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11011. REG_WR(bp, params->lfa_base +
  11012. offsetof(struct shmem_lfa,
  11013. speed_cap_mask[cfg_idx]),
  11014. params->speed_cap_mask[cfg_idx]);
  11015. }
  11016. tmp_val = REG_RD(bp, params->lfa_base +
  11017. offsetof(struct shmem_lfa, additional_config));
  11018. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11019. tmp_val |= params->req_fc_auto_adv;
  11020. REG_WR(bp, params->lfa_base +
  11021. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11022. lfa_sts = REG_RD(bp, params->lfa_base +
  11023. offsetof(struct shmem_lfa, lfa_sts));
  11024. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11025. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11026. /* Set link flap reason */
  11027. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11028. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11029. LFA_LINK_FLAP_REASON_OFFSET);
  11030. /* Increment link flap counter */
  11031. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11032. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11033. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11034. << LINK_FLAP_COUNT_OFFSET));
  11035. REG_WR(bp, params->lfa_base +
  11036. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11037. /* Proceed with regular link initialization */
  11038. }
  11039. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11040. {
  11041. int lfa_status;
  11042. struct bnx2x *bp = params->bp;
  11043. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11044. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11045. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11046. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11047. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11048. vars->link_status = 0;
  11049. vars->phy_link_up = 0;
  11050. vars->link_up = 0;
  11051. vars->line_speed = 0;
  11052. vars->duplex = DUPLEX_FULL;
  11053. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11054. vars->mac_type = MAC_TYPE_NONE;
  11055. vars->phy_flags = 0;
  11056. /* Driver opens NIG-BRB filters */
  11057. bnx2x_set_rx_filter(params, 1);
  11058. /* Check if link flap can be avoided */
  11059. lfa_status = bnx2x_check_lfa(params);
  11060. if (lfa_status == 0) {
  11061. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11062. return bnx2x_avoid_link_flap(params, vars);
  11063. }
  11064. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11065. lfa_status);
  11066. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11067. /* Disable attentions */
  11068. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11069. (NIG_MASK_XGXS0_LINK_STATUS |
  11070. NIG_MASK_XGXS0_LINK10G |
  11071. NIG_MASK_SERDES0_LINK_STATUS |
  11072. NIG_MASK_MI_INT));
  11073. bnx2x_emac_init(params, vars);
  11074. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11075. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11076. if (params->num_phys == 0) {
  11077. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11078. return -EINVAL;
  11079. }
  11080. set_phy_vars(params, vars);
  11081. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11082. switch (params->loopback_mode) {
  11083. case LOOPBACK_BMAC:
  11084. bnx2x_init_bmac_loopback(params, vars);
  11085. break;
  11086. case LOOPBACK_EMAC:
  11087. bnx2x_init_emac_loopback(params, vars);
  11088. break;
  11089. case LOOPBACK_XMAC:
  11090. bnx2x_init_xmac_loopback(params, vars);
  11091. break;
  11092. case LOOPBACK_UMAC:
  11093. bnx2x_init_umac_loopback(params, vars);
  11094. break;
  11095. case LOOPBACK_XGXS:
  11096. case LOOPBACK_EXT_PHY:
  11097. bnx2x_init_xgxs_loopback(params, vars);
  11098. break;
  11099. default:
  11100. if (!CHIP_IS_E3(bp)) {
  11101. if (params->switch_cfg == SWITCH_CFG_10G)
  11102. bnx2x_xgxs_deassert(params);
  11103. else
  11104. bnx2x_serdes_deassert(bp, params->port);
  11105. }
  11106. bnx2x_link_initialize(params, vars);
  11107. msleep(30);
  11108. bnx2x_link_int_enable(params);
  11109. break;
  11110. }
  11111. bnx2x_update_mng(params, vars->link_status);
  11112. bnx2x_update_mng_eee(params, vars->eee_status);
  11113. return 0;
  11114. }
  11115. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11116. u8 reset_ext_phy)
  11117. {
  11118. struct bnx2x *bp = params->bp;
  11119. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11120. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11121. /* Disable attentions */
  11122. vars->link_status = 0;
  11123. bnx2x_update_mng(params, vars->link_status);
  11124. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11125. SHMEM_EEE_ACTIVE_BIT);
  11126. bnx2x_update_mng_eee(params, vars->eee_status);
  11127. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11128. (NIG_MASK_XGXS0_LINK_STATUS |
  11129. NIG_MASK_XGXS0_LINK10G |
  11130. NIG_MASK_SERDES0_LINK_STATUS |
  11131. NIG_MASK_MI_INT));
  11132. /* Activate nig drain */
  11133. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11134. /* Disable nig egress interface */
  11135. if (!CHIP_IS_E3(bp)) {
  11136. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11137. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11138. }
  11139. if (!CHIP_IS_E3(bp)) {
  11140. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11141. } else {
  11142. bnx2x_set_xmac_rxtx(params, 0);
  11143. bnx2x_set_umac_rxtx(params, 0);
  11144. }
  11145. /* Disable emac */
  11146. if (!CHIP_IS_E3(bp))
  11147. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11148. usleep_range(10000, 20000);
  11149. /* The PHY reset is controlled by GPIO 1
  11150. * Hold it as vars low
  11151. */
  11152. /* Clear link led */
  11153. bnx2x_set_mdio_emac_per_phy(bp, params);
  11154. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11155. if (reset_ext_phy) {
  11156. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11157. phy_index++) {
  11158. if (params->phy[phy_index].link_reset) {
  11159. bnx2x_set_aer_mmd(params,
  11160. &params->phy[phy_index]);
  11161. params->phy[phy_index].link_reset(
  11162. &params->phy[phy_index],
  11163. params);
  11164. }
  11165. if (params->phy[phy_index].flags &
  11166. FLAGS_REARM_LATCH_SIGNAL)
  11167. clear_latch_ind = 1;
  11168. }
  11169. }
  11170. if (clear_latch_ind) {
  11171. /* Clear latching indication */
  11172. bnx2x_rearm_latch_signal(bp, port, 0);
  11173. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11174. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11175. }
  11176. if (params->phy[INT_PHY].link_reset)
  11177. params->phy[INT_PHY].link_reset(
  11178. &params->phy[INT_PHY], params);
  11179. /* Disable nig ingress interface */
  11180. if (!CHIP_IS_E3(bp)) {
  11181. /* Reset BigMac */
  11182. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11183. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11184. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11185. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11186. } else {
  11187. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11188. bnx2x_set_xumac_nig(params, 0, 0);
  11189. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11190. MISC_REGISTERS_RESET_REG_2_XMAC)
  11191. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11192. XMAC_CTRL_REG_SOFT_RESET);
  11193. }
  11194. vars->link_up = 0;
  11195. vars->phy_flags = 0;
  11196. return 0;
  11197. }
  11198. int bnx2x_lfa_reset(struct link_params *params,
  11199. struct link_vars *vars)
  11200. {
  11201. struct bnx2x *bp = params->bp;
  11202. vars->link_up = 0;
  11203. vars->phy_flags = 0;
  11204. if (!params->lfa_base)
  11205. return bnx2x_link_reset(params, vars, 1);
  11206. /*
  11207. * Activate NIG drain so that during this time the device won't send
  11208. * anything while it is unable to response.
  11209. */
  11210. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11211. /*
  11212. * Close gracefully the gate from BMAC to NIG such that no half packets
  11213. * are passed.
  11214. */
  11215. if (!CHIP_IS_E3(bp))
  11216. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11217. if (CHIP_IS_E3(bp)) {
  11218. bnx2x_set_xmac_rxtx(params, 0);
  11219. bnx2x_set_umac_rxtx(params, 0);
  11220. }
  11221. /* Wait 10ms for the pipe to clean up*/
  11222. usleep_range(10000, 20000);
  11223. /* Clean the NIG-BRB using the network filters in a way that will
  11224. * not cut a packet in the middle.
  11225. */
  11226. bnx2x_set_rx_filter(params, 0);
  11227. /*
  11228. * Re-open the gate between the BMAC and the NIG, after verifying the
  11229. * gate to the BRB is closed, otherwise packets may arrive to the
  11230. * firmware before driver had initialized it. The target is to achieve
  11231. * minimum management protocol down time.
  11232. */
  11233. if (!CHIP_IS_E3(bp))
  11234. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11235. if (CHIP_IS_E3(bp)) {
  11236. bnx2x_set_xmac_rxtx(params, 1);
  11237. bnx2x_set_umac_rxtx(params, 1);
  11238. }
  11239. /* Disable NIG drain */
  11240. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11241. return 0;
  11242. }
  11243. /****************************************************************************/
  11244. /* Common function */
  11245. /****************************************************************************/
  11246. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11247. u32 shmem_base_path[],
  11248. u32 shmem2_base_path[], u8 phy_index,
  11249. u32 chip_id)
  11250. {
  11251. struct bnx2x_phy phy[PORT_MAX];
  11252. struct bnx2x_phy *phy_blk[PORT_MAX];
  11253. u16 val;
  11254. s8 port = 0;
  11255. s8 port_of_path = 0;
  11256. u32 swap_val, swap_override;
  11257. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11258. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11259. port ^= (swap_val && swap_override);
  11260. bnx2x_ext_phy_hw_reset(bp, port);
  11261. /* PART1 - Reset both phys */
  11262. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11263. u32 shmem_base, shmem2_base;
  11264. /* In E2, same phy is using for port0 of the two paths */
  11265. if (CHIP_IS_E1x(bp)) {
  11266. shmem_base = shmem_base_path[0];
  11267. shmem2_base = shmem2_base_path[0];
  11268. port_of_path = port;
  11269. } else {
  11270. shmem_base = shmem_base_path[port];
  11271. shmem2_base = shmem2_base_path[port];
  11272. port_of_path = 0;
  11273. }
  11274. /* Extract the ext phy address for the port */
  11275. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11276. port_of_path, &phy[port]) !=
  11277. 0) {
  11278. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11279. return -EINVAL;
  11280. }
  11281. /* Disable attentions */
  11282. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11283. port_of_path*4,
  11284. (NIG_MASK_XGXS0_LINK_STATUS |
  11285. NIG_MASK_XGXS0_LINK10G |
  11286. NIG_MASK_SERDES0_LINK_STATUS |
  11287. NIG_MASK_MI_INT));
  11288. /* Need to take the phy out of low power mode in order
  11289. * to write to access its registers
  11290. */
  11291. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11292. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11293. port);
  11294. /* Reset the phy */
  11295. bnx2x_cl45_write(bp, &phy[port],
  11296. MDIO_PMA_DEVAD,
  11297. MDIO_PMA_REG_CTRL,
  11298. 1<<15);
  11299. }
  11300. /* Add delay of 150ms after reset */
  11301. msleep(150);
  11302. if (phy[PORT_0].addr & 0x1) {
  11303. phy_blk[PORT_0] = &(phy[PORT_1]);
  11304. phy_blk[PORT_1] = &(phy[PORT_0]);
  11305. } else {
  11306. phy_blk[PORT_0] = &(phy[PORT_0]);
  11307. phy_blk[PORT_1] = &(phy[PORT_1]);
  11308. }
  11309. /* PART2 - Download firmware to both phys */
  11310. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11311. if (CHIP_IS_E1x(bp))
  11312. port_of_path = port;
  11313. else
  11314. port_of_path = 0;
  11315. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11316. phy_blk[port]->addr);
  11317. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11318. port_of_path))
  11319. return -EINVAL;
  11320. /* Only set bit 10 = 1 (Tx power down) */
  11321. bnx2x_cl45_read(bp, phy_blk[port],
  11322. MDIO_PMA_DEVAD,
  11323. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11324. /* Phase1 of TX_POWER_DOWN reset */
  11325. bnx2x_cl45_write(bp, phy_blk[port],
  11326. MDIO_PMA_DEVAD,
  11327. MDIO_PMA_REG_TX_POWER_DOWN,
  11328. (val | 1<<10));
  11329. }
  11330. /* Toggle Transmitter: Power down and then up with 600ms delay
  11331. * between
  11332. */
  11333. msleep(600);
  11334. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11335. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11336. /* Phase2 of POWER_DOWN_RESET */
  11337. /* Release bit 10 (Release Tx power down) */
  11338. bnx2x_cl45_read(bp, phy_blk[port],
  11339. MDIO_PMA_DEVAD,
  11340. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11341. bnx2x_cl45_write(bp, phy_blk[port],
  11342. MDIO_PMA_DEVAD,
  11343. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11344. usleep_range(15000, 30000);
  11345. /* Read modify write the SPI-ROM version select register */
  11346. bnx2x_cl45_read(bp, phy_blk[port],
  11347. MDIO_PMA_DEVAD,
  11348. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11349. bnx2x_cl45_write(bp, phy_blk[port],
  11350. MDIO_PMA_DEVAD,
  11351. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11352. /* set GPIO2 back to LOW */
  11353. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11354. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11355. }
  11356. return 0;
  11357. }
  11358. static int bnx2x_8726_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. u32 val;
  11364. s8 port;
  11365. struct bnx2x_phy phy;
  11366. /* Use port1 because of the static port-swap */
  11367. /* Enable the module detection interrupt */
  11368. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11369. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11370. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11371. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11372. bnx2x_ext_phy_hw_reset(bp, 0);
  11373. usleep_range(5000, 10000);
  11374. for (port = 0; port < PORT_MAX; 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. } else {
  11381. shmem_base = shmem_base_path[port];
  11382. shmem2_base = shmem2_base_path[port];
  11383. }
  11384. /* Extract the ext phy address for the port */
  11385. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11386. port, &phy) !=
  11387. 0) {
  11388. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11389. return -EINVAL;
  11390. }
  11391. /* Reset phy*/
  11392. bnx2x_cl45_write(bp, &phy,
  11393. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11394. /* Set fault module detected LED on */
  11395. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11396. MISC_REGISTERS_GPIO_HIGH,
  11397. port);
  11398. }
  11399. return 0;
  11400. }
  11401. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11402. u8 *io_gpio, u8 *io_port)
  11403. {
  11404. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11405. offsetof(struct shmem_region,
  11406. dev_info.port_hw_config[PORT_0].default_cfg));
  11407. switch (phy_gpio_reset) {
  11408. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11409. *io_gpio = 0;
  11410. *io_port = 0;
  11411. break;
  11412. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11413. *io_gpio = 1;
  11414. *io_port = 0;
  11415. break;
  11416. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11417. *io_gpio = 2;
  11418. *io_port = 0;
  11419. break;
  11420. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11421. *io_gpio = 3;
  11422. *io_port = 0;
  11423. break;
  11424. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11425. *io_gpio = 0;
  11426. *io_port = 1;
  11427. break;
  11428. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11429. *io_gpio = 1;
  11430. *io_port = 1;
  11431. break;
  11432. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11433. *io_gpio = 2;
  11434. *io_port = 1;
  11435. break;
  11436. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11437. *io_gpio = 3;
  11438. *io_port = 1;
  11439. break;
  11440. default:
  11441. /* Don't override the io_gpio and io_port */
  11442. break;
  11443. }
  11444. }
  11445. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11446. u32 shmem_base_path[],
  11447. u32 shmem2_base_path[], u8 phy_index,
  11448. u32 chip_id)
  11449. {
  11450. s8 port, reset_gpio;
  11451. u32 swap_val, swap_override;
  11452. struct bnx2x_phy phy[PORT_MAX];
  11453. struct bnx2x_phy *phy_blk[PORT_MAX];
  11454. s8 port_of_path;
  11455. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11456. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11457. reset_gpio = MISC_REGISTERS_GPIO_1;
  11458. port = 1;
  11459. /* Retrieve the reset gpio/port which control the reset.
  11460. * Default is GPIO1, PORT1
  11461. */
  11462. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11463. (u8 *)&reset_gpio, (u8 *)&port);
  11464. /* Calculate the port based on port swap */
  11465. port ^= (swap_val && swap_override);
  11466. /* Initiate PHY reset*/
  11467. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11468. port);
  11469. usleep_range(1000, 2000);
  11470. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11471. port);
  11472. usleep_range(5000, 10000);
  11473. /* PART1 - Reset both phys */
  11474. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11475. u32 shmem_base, shmem2_base;
  11476. /* In E2, same phy is using for port0 of the two paths */
  11477. if (CHIP_IS_E1x(bp)) {
  11478. shmem_base = shmem_base_path[0];
  11479. shmem2_base = shmem2_base_path[0];
  11480. port_of_path = port;
  11481. } else {
  11482. shmem_base = shmem_base_path[port];
  11483. shmem2_base = shmem2_base_path[port];
  11484. port_of_path = 0;
  11485. }
  11486. /* Extract the ext phy address for the port */
  11487. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11488. port_of_path, &phy[port]) !=
  11489. 0) {
  11490. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11491. return -EINVAL;
  11492. }
  11493. /* disable attentions */
  11494. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11495. port_of_path*4,
  11496. (NIG_MASK_XGXS0_LINK_STATUS |
  11497. NIG_MASK_XGXS0_LINK10G |
  11498. NIG_MASK_SERDES0_LINK_STATUS |
  11499. NIG_MASK_MI_INT));
  11500. /* Reset the phy */
  11501. bnx2x_cl45_write(bp, &phy[port],
  11502. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11503. }
  11504. /* Add delay of 150ms after reset */
  11505. msleep(150);
  11506. if (phy[PORT_0].addr & 0x1) {
  11507. phy_blk[PORT_0] = &(phy[PORT_1]);
  11508. phy_blk[PORT_1] = &(phy[PORT_0]);
  11509. } else {
  11510. phy_blk[PORT_0] = &(phy[PORT_0]);
  11511. phy_blk[PORT_1] = &(phy[PORT_1]);
  11512. }
  11513. /* PART2 - Download firmware to both phys */
  11514. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11515. if (CHIP_IS_E1x(bp))
  11516. port_of_path = port;
  11517. else
  11518. port_of_path = 0;
  11519. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11520. phy_blk[port]->addr);
  11521. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11522. port_of_path))
  11523. return -EINVAL;
  11524. /* Disable PHY transmitter output */
  11525. bnx2x_cl45_write(bp, phy_blk[port],
  11526. MDIO_PMA_DEVAD,
  11527. MDIO_PMA_REG_TX_DISABLE, 1);
  11528. }
  11529. return 0;
  11530. }
  11531. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11532. u32 shmem_base_path[],
  11533. u32 shmem2_base_path[],
  11534. u8 phy_index,
  11535. u32 chip_id)
  11536. {
  11537. u8 reset_gpios;
  11538. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11539. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11540. udelay(10);
  11541. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11542. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11543. reset_gpios);
  11544. return 0;
  11545. }
  11546. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11547. struct bnx2x_phy *phy,
  11548. u8 port)
  11549. {
  11550. u16 val, cnt;
  11551. /* Wait for FW completing its initialization. */
  11552. for (cnt = 0; cnt < 1500; cnt++) {
  11553. bnx2x_cl45_read(bp, phy,
  11554. MDIO_PMA_DEVAD,
  11555. MDIO_PMA_REG_CTRL, &val);
  11556. if (!(val & (1<<15)))
  11557. break;
  11558. usleep_range(1000, 2000);
  11559. }
  11560. if (cnt >= 1500) {
  11561. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11562. return -EINVAL;
  11563. }
  11564. /* Put the port in super isolate mode. */
  11565. bnx2x_cl45_read(bp, phy,
  11566. MDIO_CTL_DEVAD,
  11567. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11568. val |= MDIO_84833_SUPER_ISOLATE;
  11569. bnx2x_cl45_write(bp, phy,
  11570. MDIO_CTL_DEVAD,
  11571. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11572. /* Save spirom version */
  11573. bnx2x_save_848xx_spirom_version(phy, bp, port);
  11574. return 0;
  11575. }
  11576. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11577. u32 shmem_base,
  11578. u32 shmem2_base,
  11579. u32 chip_id,
  11580. u8 port)
  11581. {
  11582. int rc = 0;
  11583. struct bnx2x_phy phy;
  11584. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11585. port, &phy) != 0) {
  11586. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11587. return -EINVAL;
  11588. }
  11589. bnx2x_set_mdio_clk(bp, chip_id, phy.mdio_ctrl);
  11590. switch (phy.type) {
  11591. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11592. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11593. rc = bnx2x_84833_pre_init_phy(bp, &phy, port);
  11594. break;
  11595. default:
  11596. break;
  11597. }
  11598. return rc;
  11599. }
  11600. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11601. u32 shmem2_base_path[], u8 phy_index,
  11602. u32 ext_phy_type, u32 chip_id)
  11603. {
  11604. int rc = 0;
  11605. switch (ext_phy_type) {
  11606. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11607. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11608. shmem2_base_path,
  11609. phy_index, chip_id);
  11610. break;
  11611. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11612. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11613. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11614. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11615. shmem2_base_path,
  11616. phy_index, chip_id);
  11617. break;
  11618. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11619. /* GPIO1 affects both ports, so there's need to pull
  11620. * it for single port alone
  11621. */
  11622. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11623. shmem2_base_path,
  11624. phy_index, chip_id);
  11625. break;
  11626. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11627. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11628. /* GPIO3's are linked, and so both need to be toggled
  11629. * to obtain required 2us pulse.
  11630. */
  11631. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11632. shmem2_base_path,
  11633. phy_index, chip_id);
  11634. break;
  11635. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11636. rc = -EINVAL;
  11637. break;
  11638. default:
  11639. DP(NETIF_MSG_LINK,
  11640. "ext_phy 0x%x common init not required\n",
  11641. ext_phy_type);
  11642. break;
  11643. }
  11644. if (rc)
  11645. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11646. " Port %d\n",
  11647. 0);
  11648. return rc;
  11649. }
  11650. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11651. u32 shmem2_base_path[], u32 chip_id)
  11652. {
  11653. int rc = 0;
  11654. u32 phy_ver, val;
  11655. u8 phy_index = 0;
  11656. u32 ext_phy_type, ext_phy_config;
  11657. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11658. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11659. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11660. if (CHIP_IS_E3(bp)) {
  11661. /* Enable EPIO */
  11662. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11663. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11664. }
  11665. /* Check if common init was already done */
  11666. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11667. offsetof(struct shmem_region,
  11668. port_mb[PORT_0].ext_phy_fw_version));
  11669. if (phy_ver) {
  11670. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11671. phy_ver);
  11672. return 0;
  11673. }
  11674. /* Read the ext_phy_type for arbitrary port(0) */
  11675. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11676. phy_index++) {
  11677. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11678. shmem_base_path[0],
  11679. phy_index, 0);
  11680. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11681. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11682. shmem2_base_path,
  11683. phy_index, ext_phy_type,
  11684. chip_id);
  11685. }
  11686. return rc;
  11687. }
  11688. static void bnx2x_check_over_curr(struct link_params *params,
  11689. struct link_vars *vars)
  11690. {
  11691. struct bnx2x *bp = params->bp;
  11692. u32 cfg_pin;
  11693. u8 port = params->port;
  11694. u32 pin_val;
  11695. cfg_pin = (REG_RD(bp, params->shmem_base +
  11696. offsetof(struct shmem_region,
  11697. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11698. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11699. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11700. /* Ignore check if no external input PIN available */
  11701. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11702. return;
  11703. if (!pin_val) {
  11704. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11705. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11706. " been detected and the power to "
  11707. "that SFP+ module has been removed"
  11708. " to prevent failure of the card."
  11709. " Please remove the SFP+ module and"
  11710. " restart the system to clear this"
  11711. " error.\n",
  11712. params->port);
  11713. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11714. bnx2x_warpcore_power_module(params, 0);
  11715. }
  11716. } else
  11717. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11718. }
  11719. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11720. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11721. struct link_vars *vars, u32 status,
  11722. u32 phy_flag, u32 link_flag, u8 notify)
  11723. {
  11724. struct bnx2x *bp = params->bp;
  11725. /* Compare new value with previous value */
  11726. u8 led_mode;
  11727. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11728. if ((status ^ old_status) == 0)
  11729. return 0;
  11730. /* If values differ */
  11731. switch (phy_flag) {
  11732. case PHY_HALF_OPEN_CONN_FLAG:
  11733. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11734. break;
  11735. case PHY_SFP_TX_FAULT_FLAG:
  11736. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11737. break;
  11738. default:
  11739. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11740. }
  11741. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11742. old_status, status);
  11743. /* a. Update shmem->link_status accordingly
  11744. * b. Update link_vars->link_up
  11745. */
  11746. if (status) {
  11747. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11748. vars->link_status |= link_flag;
  11749. vars->link_up = 0;
  11750. vars->phy_flags |= phy_flag;
  11751. /* activate nig drain */
  11752. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11753. /* Set LED mode to off since the PHY doesn't know about these
  11754. * errors
  11755. */
  11756. led_mode = LED_MODE_OFF;
  11757. } else {
  11758. vars->link_status |= LINK_STATUS_LINK_UP;
  11759. vars->link_status &= ~link_flag;
  11760. vars->link_up = 1;
  11761. vars->phy_flags &= ~phy_flag;
  11762. led_mode = LED_MODE_OPER;
  11763. /* Clear nig drain */
  11764. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11765. }
  11766. bnx2x_sync_link(params, vars);
  11767. /* Update the LED according to the link state */
  11768. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11769. /* Update link status in the shared memory */
  11770. bnx2x_update_mng(params, vars->link_status);
  11771. /* C. Trigger General Attention */
  11772. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11773. if (notify)
  11774. bnx2x_notify_link_changed(bp);
  11775. return 1;
  11776. }
  11777. /******************************************************************************
  11778. * Description:
  11779. * This function checks for half opened connection change indication.
  11780. * When such change occurs, it calls the bnx2x_analyze_link_error
  11781. * to check if Remote Fault is set or cleared. Reception of remote fault
  11782. * status message in the MAC indicates that the peer's MAC has detected
  11783. * a fault, for example, due to break in the TX side of fiber.
  11784. *
  11785. ******************************************************************************/
  11786. int bnx2x_check_half_open_conn(struct link_params *params,
  11787. struct link_vars *vars,
  11788. u8 notify)
  11789. {
  11790. struct bnx2x *bp = params->bp;
  11791. u32 lss_status = 0;
  11792. u32 mac_base;
  11793. /* In case link status is physically up @ 10G do */
  11794. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11795. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11796. return 0;
  11797. if (CHIP_IS_E3(bp) &&
  11798. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11799. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11800. /* Check E3 XMAC */
  11801. /* Note that link speed cannot be queried here, since it may be
  11802. * zero while link is down. In case UMAC is active, LSS will
  11803. * simply not be set
  11804. */
  11805. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11806. /* Clear stick bits (Requires rising edge) */
  11807. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11808. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11809. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11810. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11811. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11812. lss_status = 1;
  11813. bnx2x_analyze_link_error(params, vars, lss_status,
  11814. PHY_HALF_OPEN_CONN_FLAG,
  11815. LINK_STATUS_NONE, notify);
  11816. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11817. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11818. /* Check E1X / E2 BMAC */
  11819. u32 lss_status_reg;
  11820. u32 wb_data[2];
  11821. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11822. NIG_REG_INGRESS_BMAC0_MEM;
  11823. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11824. if (CHIP_IS_E2(bp))
  11825. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11826. else
  11827. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11828. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11829. lss_status = (wb_data[0] > 0);
  11830. bnx2x_analyze_link_error(params, vars, lss_status,
  11831. PHY_HALF_OPEN_CONN_FLAG,
  11832. LINK_STATUS_NONE, notify);
  11833. }
  11834. return 0;
  11835. }
  11836. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11837. struct link_params *params,
  11838. struct link_vars *vars)
  11839. {
  11840. struct bnx2x *bp = params->bp;
  11841. u32 cfg_pin, value = 0;
  11842. u8 led_change, port = params->port;
  11843. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11844. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11845. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11846. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11847. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11848. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11849. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11850. return;
  11851. }
  11852. led_change = bnx2x_analyze_link_error(params, vars, value,
  11853. PHY_SFP_TX_FAULT_FLAG,
  11854. LINK_STATUS_SFP_TX_FAULT, 1);
  11855. if (led_change) {
  11856. /* Change TX_Fault led, set link status for further syncs */
  11857. u8 led_mode;
  11858. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11859. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11860. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11861. } else {
  11862. led_mode = MISC_REGISTERS_GPIO_LOW;
  11863. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11864. }
  11865. /* If module is unapproved, led should be on regardless */
  11866. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11867. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11868. led_mode);
  11869. bnx2x_set_e3_module_fault_led(params, led_mode);
  11870. }
  11871. }
  11872. }
  11873. static void bnx2x_disable_kr2(struct link_params *params,
  11874. struct link_vars *vars,
  11875. struct bnx2x_phy *phy)
  11876. {
  11877. struct bnx2x *bp = params->bp;
  11878. int i;
  11879. static struct bnx2x_reg_set reg_set[] = {
  11880. /* Step 1 - Program the TX/RX alignment markers */
  11881. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11882. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11883. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11884. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11885. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11886. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11887. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11888. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11889. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11890. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11891. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11892. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11893. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11894. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11895. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11896. };
  11897. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11898. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  11899. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11900. reg_set[i].val);
  11901. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11902. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11903. /* Restart AN on leading lane */
  11904. bnx2x_warpcore_restart_AN_KR(phy, params);
  11905. }
  11906. static void bnx2x_kr2_recovery(struct link_params *params,
  11907. struct link_vars *vars,
  11908. struct bnx2x_phy *phy)
  11909. {
  11910. struct bnx2x *bp = params->bp;
  11911. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11912. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11913. bnx2x_warpcore_restart_AN_KR(phy, params);
  11914. }
  11915. static void bnx2x_check_kr2_wa(struct link_params *params,
  11916. struct link_vars *vars,
  11917. struct bnx2x_phy *phy)
  11918. {
  11919. struct bnx2x *bp = params->bp;
  11920. u16 base_page, next_page, not_kr2_device, lane;
  11921. int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11922. if (!sigdet) {
  11923. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11924. bnx2x_kr2_recovery(params, vars, phy);
  11925. return;
  11926. }
  11927. lane = bnx2x_get_warpcore_lane(phy, params);
  11928. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11929. MDIO_AER_BLOCK_AER_REG, lane);
  11930. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11931. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  11932. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11933. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  11934. bnx2x_set_aer_mmd(params, phy);
  11935. /* CL73 has not begun yet */
  11936. if (base_page == 0) {
  11937. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11938. bnx2x_kr2_recovery(params, vars, phy);
  11939. return;
  11940. }
  11941. /* In case NP bit is not set in the BasePage, or it is set,
  11942. * but only KX is advertised, declare this link partner as non-KR2
  11943. * device.
  11944. */
  11945. not_kr2_device = (((base_page & 0x8000) == 0) ||
  11946. (((base_page & 0x8000) &&
  11947. ((next_page & 0xe0) == 0x2))));
  11948. /* In case KR2 is already disabled, check if we need to re-enable it */
  11949. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11950. if (!not_kr2_device) {
  11951. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  11952. next_page);
  11953. bnx2x_kr2_recovery(params, vars, phy);
  11954. }
  11955. return;
  11956. }
  11957. /* KR2 is enabled, but not KR2 device */
  11958. if (not_kr2_device) {
  11959. /* Disable KR2 on both lanes */
  11960. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  11961. bnx2x_disable_kr2(params, vars, phy);
  11962. return;
  11963. }
  11964. }
  11965. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11966. {
  11967. u16 phy_idx;
  11968. struct bnx2x *bp = params->bp;
  11969. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11970. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11971. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11972. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11973. 0)
  11974. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11975. break;
  11976. }
  11977. }
  11978. if (CHIP_IS_E3(bp)) {
  11979. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11980. bnx2x_set_aer_mmd(params, phy);
  11981. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  11982. (phy->speed_cap_mask & SPEED_20000))
  11983. bnx2x_check_kr2_wa(params, vars, phy);
  11984. bnx2x_check_over_curr(params, vars);
  11985. if (vars->rx_tx_asic_rst)
  11986. bnx2x_warpcore_config_runtime(phy, params, vars);
  11987. if ((REG_RD(bp, params->shmem_base +
  11988. offsetof(struct shmem_region, dev_info.
  11989. port_hw_config[params->port].default_cfg))
  11990. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11991. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11992. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11993. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11994. } else if (vars->link_status &
  11995. LINK_STATUS_SFP_TX_FAULT) {
  11996. /* Clean trail, interrupt corrects the leds */
  11997. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11998. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11999. /* Update link status in the shared memory */
  12000. bnx2x_update_mng(params, vars->link_status);
  12001. }
  12002. }
  12003. }
  12004. }
  12005. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12006. u32 shmem_base,
  12007. u32 shmem2_base,
  12008. u8 port)
  12009. {
  12010. u8 phy_index, fan_failure_det_req = 0;
  12011. struct bnx2x_phy phy;
  12012. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12013. phy_index++) {
  12014. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12015. port, &phy)
  12016. != 0) {
  12017. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12018. return 0;
  12019. }
  12020. fan_failure_det_req |= (phy.flags &
  12021. FLAGS_FAN_FAILURE_DET_REQ);
  12022. }
  12023. return fan_failure_det_req;
  12024. }
  12025. void bnx2x_hw_reset_phy(struct link_params *params)
  12026. {
  12027. u8 phy_index;
  12028. struct bnx2x *bp = params->bp;
  12029. bnx2x_update_mng(params, 0);
  12030. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12031. (NIG_MASK_XGXS0_LINK_STATUS |
  12032. NIG_MASK_XGXS0_LINK10G |
  12033. NIG_MASK_SERDES0_LINK_STATUS |
  12034. NIG_MASK_MI_INT));
  12035. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12036. phy_index++) {
  12037. if (params->phy[phy_index].hw_reset) {
  12038. params->phy[phy_index].hw_reset(
  12039. &params->phy[phy_index],
  12040. params);
  12041. params->phy[phy_index] = phy_null;
  12042. }
  12043. }
  12044. }
  12045. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12046. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12047. u8 port)
  12048. {
  12049. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12050. u32 val;
  12051. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12052. if (CHIP_IS_E3(bp)) {
  12053. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12054. shmem_base,
  12055. port,
  12056. &gpio_num,
  12057. &gpio_port) != 0)
  12058. return;
  12059. } else {
  12060. struct bnx2x_phy phy;
  12061. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12062. phy_index++) {
  12063. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12064. shmem2_base, port, &phy)
  12065. != 0) {
  12066. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12067. return;
  12068. }
  12069. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12070. gpio_num = MISC_REGISTERS_GPIO_3;
  12071. gpio_port = port;
  12072. break;
  12073. }
  12074. }
  12075. }
  12076. if (gpio_num == 0xff)
  12077. return;
  12078. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12079. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12080. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12081. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12082. gpio_port ^= (swap_val && swap_override);
  12083. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12084. (gpio_num + (gpio_port << 2));
  12085. sync_offset = shmem_base +
  12086. offsetof(struct shmem_region,
  12087. dev_info.port_hw_config[port].aeu_int_mask);
  12088. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12089. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12090. gpio_num, gpio_port, vars->aeu_int_mask);
  12091. if (port == 0)
  12092. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12093. else
  12094. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12095. /* Open appropriate AEU for interrupts */
  12096. aeu_mask = REG_RD(bp, offset);
  12097. aeu_mask |= vars->aeu_int_mask;
  12098. REG_WR(bp, offset, aeu_mask);
  12099. /* Enable the GPIO to trigger interrupt */
  12100. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12101. val |= 1 << (gpio_num + (gpio_port << 2));
  12102. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12103. }