bnx2x_link.c 398 KB

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  1. /* Copyright 2008-2013 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  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 < ARRAY_SIZE(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 < ARRAY_SIZE(reg_set); i++)
  3253. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3254. reg_set[i].val);
  3255. 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 < ARRAY_SIZE(reg_set); i++)
  3376. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3377. reg_set[i].val);
  3378. lane = bnx2x_get_warpcore_lane(phy, params);
  3379. /* Global registers */
  3380. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3381. MDIO_AER_BLOCK_AER_REG, 0);
  3382. /* Disable CL36 PCS Tx */
  3383. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3385. val16 &= ~(0x0011 << lane);
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3388. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3390. val16 |= (0x0303 << (lane << 1));
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3393. /* Restore AER */
  3394. bnx2x_set_aer_mmd(params, phy);
  3395. /* Set speed via PMA/PMD register */
  3396. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3397. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3398. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3399. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3400. /* Enable encoded forced speed */
  3401. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3403. /* Turn TX scramble payload only the 64/66 scrambler */
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3406. /* Turn RX scramble payload only the 64/66 scrambler */
  3407. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3409. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3412. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3414. }
  3415. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3416. struct link_params *params,
  3417. u8 is_xfi)
  3418. {
  3419. struct bnx2x *bp = params->bp;
  3420. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3421. /* 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 < ARRAY_SIZE(wc_regs); 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. /* Force link UP in non LOOPBACK_EXT loopback mode(s) */
  4143. if (bp->link_params.loopback_mode != LOOPBACK_NONE &&
  4144. bp->link_params.loopback_mode != LOOPBACK_EXT)
  4145. vars->link_status |= LINK_STATUS_LINK_UP;
  4146. if (bnx2x_eee_has_cap(params))
  4147. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4148. offsetof(struct shmem2_region,
  4149. eee_status[params->port]));
  4150. vars->phy_flags = PHY_XGXS_FLAG;
  4151. bnx2x_sync_link(params, vars);
  4152. /* Sync media type */
  4153. sync_offset = params->shmem_base +
  4154. offsetof(struct shmem_region,
  4155. dev_info.port_hw_config[port].media_type);
  4156. media_types = REG_RD(bp, sync_offset);
  4157. params->phy[INT_PHY].media_type =
  4158. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4159. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4160. params->phy[EXT_PHY1].media_type =
  4161. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4162. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4163. params->phy[EXT_PHY2].media_type =
  4164. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4165. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4166. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4167. /* Sync AEU offset */
  4168. sync_offset = params->shmem_base +
  4169. offsetof(struct shmem_region,
  4170. dev_info.port_hw_config[port].aeu_int_mask);
  4171. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4172. /* Sync PFC status */
  4173. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4174. params->feature_config_flags |=
  4175. FEATURE_CONFIG_PFC_ENABLED;
  4176. else
  4177. params->feature_config_flags &=
  4178. ~FEATURE_CONFIG_PFC_ENABLED;
  4179. if (SHMEM2_HAS(bp, link_attr_sync))
  4180. vars->link_attr_sync = SHMEM2_RD(bp,
  4181. link_attr_sync[params->port]);
  4182. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4183. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4184. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4185. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4186. }
  4187. static void bnx2x_set_master_ln(struct link_params *params,
  4188. struct bnx2x_phy *phy)
  4189. {
  4190. struct bnx2x *bp = params->bp;
  4191. u16 new_master_ln, ser_lane;
  4192. ser_lane = ((params->lane_config &
  4193. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4194. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4195. /* Set the master_ln for AN */
  4196. CL22_RD_OVER_CL45(bp, phy,
  4197. MDIO_REG_BANK_XGXS_BLOCK2,
  4198. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4199. &new_master_ln);
  4200. CL22_WR_OVER_CL45(bp, phy,
  4201. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4202. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4203. (new_master_ln | ser_lane));
  4204. }
  4205. static int bnx2x_reset_unicore(struct link_params *params,
  4206. struct bnx2x_phy *phy,
  4207. u8 set_serdes)
  4208. {
  4209. struct bnx2x *bp = params->bp;
  4210. u16 mii_control;
  4211. u16 i;
  4212. CL22_RD_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_COMBO_IEEE0,
  4214. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4215. /* Reset the unicore */
  4216. CL22_WR_OVER_CL45(bp, phy,
  4217. MDIO_REG_BANK_COMBO_IEEE0,
  4218. MDIO_COMBO_IEEE0_MII_CONTROL,
  4219. (mii_control |
  4220. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4221. if (set_serdes)
  4222. bnx2x_set_serdes_access(bp, params->port);
  4223. /* Wait for the reset to self clear */
  4224. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4225. udelay(5);
  4226. /* The reset erased the previous bank value */
  4227. CL22_RD_OVER_CL45(bp, phy,
  4228. MDIO_REG_BANK_COMBO_IEEE0,
  4229. MDIO_COMBO_IEEE0_MII_CONTROL,
  4230. &mii_control);
  4231. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4232. udelay(5);
  4233. return 0;
  4234. }
  4235. }
  4236. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4237. " Port %d\n",
  4238. params->port);
  4239. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4240. return -EINVAL;
  4241. }
  4242. static void bnx2x_set_swap_lanes(struct link_params *params,
  4243. struct bnx2x_phy *phy)
  4244. {
  4245. struct bnx2x *bp = params->bp;
  4246. /* Each two bits represents a lane number:
  4247. * No swap is 0123 => 0x1b no need to enable the swap
  4248. */
  4249. u16 rx_lane_swap, tx_lane_swap;
  4250. rx_lane_swap = ((params->lane_config &
  4251. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4252. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4253. tx_lane_swap = ((params->lane_config &
  4254. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4255. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4256. if (rx_lane_swap != 0x1b) {
  4257. CL22_WR_OVER_CL45(bp, phy,
  4258. MDIO_REG_BANK_XGXS_BLOCK2,
  4259. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4260. (rx_lane_swap |
  4261. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4262. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4263. } else {
  4264. CL22_WR_OVER_CL45(bp, phy,
  4265. MDIO_REG_BANK_XGXS_BLOCK2,
  4266. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4267. }
  4268. if (tx_lane_swap != 0x1b) {
  4269. CL22_WR_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_XGXS_BLOCK2,
  4271. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4272. (tx_lane_swap |
  4273. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4274. } else {
  4275. CL22_WR_OVER_CL45(bp, phy,
  4276. MDIO_REG_BANK_XGXS_BLOCK2,
  4277. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4278. }
  4279. }
  4280. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4281. struct link_params *params)
  4282. {
  4283. struct bnx2x *bp = params->bp;
  4284. u16 control2;
  4285. CL22_RD_OVER_CL45(bp, phy,
  4286. MDIO_REG_BANK_SERDES_DIGITAL,
  4287. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4288. &control2);
  4289. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4290. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4291. else
  4292. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4293. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4294. phy->speed_cap_mask, control2);
  4295. CL22_WR_OVER_CL45(bp, phy,
  4296. MDIO_REG_BANK_SERDES_DIGITAL,
  4297. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4298. control2);
  4299. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4300. (phy->speed_cap_mask &
  4301. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4302. DP(NETIF_MSG_LINK, "XGXS\n");
  4303. CL22_WR_OVER_CL45(bp, phy,
  4304. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4305. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4306. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4307. CL22_RD_OVER_CL45(bp, phy,
  4308. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4309. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4310. &control2);
  4311. control2 |=
  4312. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4313. CL22_WR_OVER_CL45(bp, phy,
  4314. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4315. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4316. control2);
  4317. /* Disable parallel detection of HiG */
  4318. CL22_WR_OVER_CL45(bp, phy,
  4319. MDIO_REG_BANK_XGXS_BLOCK2,
  4320. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4321. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4322. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4323. }
  4324. }
  4325. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4326. struct link_params *params,
  4327. struct link_vars *vars,
  4328. u8 enable_cl73)
  4329. {
  4330. struct bnx2x *bp = params->bp;
  4331. u16 reg_val;
  4332. /* CL37 Autoneg */
  4333. CL22_RD_OVER_CL45(bp, phy,
  4334. MDIO_REG_BANK_COMBO_IEEE0,
  4335. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4336. /* CL37 Autoneg Enabled */
  4337. if (vars->line_speed == SPEED_AUTO_NEG)
  4338. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4339. else /* CL37 Autoneg Disabled */
  4340. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4341. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4342. CL22_WR_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_COMBO_IEEE0,
  4344. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4345. /* Enable/Disable Autodetection */
  4346. CL22_RD_OVER_CL45(bp, phy,
  4347. MDIO_REG_BANK_SERDES_DIGITAL,
  4348. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4349. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4350. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4351. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4352. if (vars->line_speed == SPEED_AUTO_NEG)
  4353. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4354. else
  4355. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4356. CL22_WR_OVER_CL45(bp, phy,
  4357. MDIO_REG_BANK_SERDES_DIGITAL,
  4358. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4359. /* Enable TetonII and BAM autoneg */
  4360. CL22_RD_OVER_CL45(bp, phy,
  4361. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4362. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4363. &reg_val);
  4364. if (vars->line_speed == SPEED_AUTO_NEG) {
  4365. /* Enable BAM aneg Mode and TetonII aneg Mode */
  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. } else {
  4369. /* TetonII and BAM Autoneg Disabled */
  4370. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4371. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4372. }
  4373. CL22_WR_OVER_CL45(bp, phy,
  4374. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4375. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4376. reg_val);
  4377. if (enable_cl73) {
  4378. /* Enable Cl73 FSM status bits */
  4379. CL22_WR_OVER_CL45(bp, phy,
  4380. MDIO_REG_BANK_CL73_USERB0,
  4381. MDIO_CL73_USERB0_CL73_UCTRL,
  4382. 0xe);
  4383. /* Enable BAM Station Manager*/
  4384. CL22_WR_OVER_CL45(bp, phy,
  4385. MDIO_REG_BANK_CL73_USERB0,
  4386. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4387. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4388. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4389. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4390. /* Advertise CL73 link speeds */
  4391. CL22_RD_OVER_CL45(bp, phy,
  4392. MDIO_REG_BANK_CL73_IEEEB1,
  4393. MDIO_CL73_IEEEB1_AN_ADV2,
  4394. &reg_val);
  4395. if (phy->speed_cap_mask &
  4396. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4397. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4398. if (phy->speed_cap_mask &
  4399. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4400. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4401. CL22_WR_OVER_CL45(bp, phy,
  4402. MDIO_REG_BANK_CL73_IEEEB1,
  4403. MDIO_CL73_IEEEB1_AN_ADV2,
  4404. reg_val);
  4405. /* CL73 Autoneg Enabled */
  4406. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4407. } else /* CL73 Autoneg Disabled */
  4408. reg_val = 0;
  4409. CL22_WR_OVER_CL45(bp, phy,
  4410. MDIO_REG_BANK_CL73_IEEEB0,
  4411. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4412. }
  4413. /* Program SerDes, forced speed */
  4414. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4415. struct link_params *params,
  4416. struct link_vars *vars)
  4417. {
  4418. struct bnx2x *bp = params->bp;
  4419. u16 reg_val;
  4420. /* Program duplex, disable autoneg and sgmii*/
  4421. CL22_RD_OVER_CL45(bp, phy,
  4422. MDIO_REG_BANK_COMBO_IEEE0,
  4423. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4424. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4425. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4426. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4427. if (phy->req_duplex == DUPLEX_FULL)
  4428. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4429. CL22_WR_OVER_CL45(bp, phy,
  4430. MDIO_REG_BANK_COMBO_IEEE0,
  4431. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4432. /* Program speed
  4433. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4434. */
  4435. CL22_RD_OVER_CL45(bp, phy,
  4436. MDIO_REG_BANK_SERDES_DIGITAL,
  4437. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4438. /* Clearing the speed value before setting the right speed */
  4439. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4440. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4441. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4442. if (!((vars->line_speed == SPEED_1000) ||
  4443. (vars->line_speed == SPEED_100) ||
  4444. (vars->line_speed == SPEED_10))) {
  4445. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4446. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4447. if (vars->line_speed == SPEED_10000)
  4448. reg_val |=
  4449. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4450. }
  4451. CL22_WR_OVER_CL45(bp, phy,
  4452. MDIO_REG_BANK_SERDES_DIGITAL,
  4453. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4454. }
  4455. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4456. struct link_params *params)
  4457. {
  4458. struct bnx2x *bp = params->bp;
  4459. u16 val = 0;
  4460. /* Set extended capabilities */
  4461. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4462. val |= MDIO_OVER_1G_UP1_2_5G;
  4463. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4464. val |= MDIO_OVER_1G_UP1_10G;
  4465. CL22_WR_OVER_CL45(bp, phy,
  4466. MDIO_REG_BANK_OVER_1G,
  4467. MDIO_OVER_1G_UP1, val);
  4468. CL22_WR_OVER_CL45(bp, phy,
  4469. MDIO_REG_BANK_OVER_1G,
  4470. MDIO_OVER_1G_UP3, 0x400);
  4471. }
  4472. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4473. struct link_params *params,
  4474. u16 ieee_fc)
  4475. {
  4476. struct bnx2x *bp = params->bp;
  4477. u16 val;
  4478. /* For AN, we are always publishing full duplex */
  4479. CL22_WR_OVER_CL45(bp, phy,
  4480. MDIO_REG_BANK_COMBO_IEEE0,
  4481. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4482. CL22_RD_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_CL73_IEEEB1,
  4484. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4485. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4486. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4487. CL22_WR_OVER_CL45(bp, phy,
  4488. MDIO_REG_BANK_CL73_IEEEB1,
  4489. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4490. }
  4491. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4492. struct link_params *params,
  4493. u8 enable_cl73)
  4494. {
  4495. struct bnx2x *bp = params->bp;
  4496. u16 mii_control;
  4497. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4498. /* Enable and restart BAM/CL37 aneg */
  4499. if (enable_cl73) {
  4500. CL22_RD_OVER_CL45(bp, phy,
  4501. MDIO_REG_BANK_CL73_IEEEB0,
  4502. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4503. &mii_control);
  4504. CL22_WR_OVER_CL45(bp, phy,
  4505. MDIO_REG_BANK_CL73_IEEEB0,
  4506. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4507. (mii_control |
  4508. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4509. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4510. } else {
  4511. CL22_RD_OVER_CL45(bp, phy,
  4512. MDIO_REG_BANK_COMBO_IEEE0,
  4513. MDIO_COMBO_IEEE0_MII_CONTROL,
  4514. &mii_control);
  4515. DP(NETIF_MSG_LINK,
  4516. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4517. mii_control);
  4518. CL22_WR_OVER_CL45(bp, phy,
  4519. MDIO_REG_BANK_COMBO_IEEE0,
  4520. MDIO_COMBO_IEEE0_MII_CONTROL,
  4521. (mii_control |
  4522. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4523. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4524. }
  4525. }
  4526. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4527. struct link_params *params,
  4528. struct link_vars *vars)
  4529. {
  4530. struct bnx2x *bp = params->bp;
  4531. u16 control1;
  4532. /* In SGMII mode, the unicore is always slave */
  4533. CL22_RD_OVER_CL45(bp, phy,
  4534. MDIO_REG_BANK_SERDES_DIGITAL,
  4535. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4536. &control1);
  4537. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4538. /* Set sgmii mode (and not fiber) */
  4539. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4540. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4541. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4542. CL22_WR_OVER_CL45(bp, phy,
  4543. MDIO_REG_BANK_SERDES_DIGITAL,
  4544. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4545. control1);
  4546. /* If forced speed */
  4547. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4548. /* Set speed, disable autoneg */
  4549. u16 mii_control;
  4550. CL22_RD_OVER_CL45(bp, phy,
  4551. MDIO_REG_BANK_COMBO_IEEE0,
  4552. MDIO_COMBO_IEEE0_MII_CONTROL,
  4553. &mii_control);
  4554. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4555. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4556. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4557. switch (vars->line_speed) {
  4558. case SPEED_100:
  4559. mii_control |=
  4560. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4561. break;
  4562. case SPEED_1000:
  4563. mii_control |=
  4564. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4565. break;
  4566. case SPEED_10:
  4567. /* There is nothing to set for 10M */
  4568. break;
  4569. default:
  4570. /* Invalid speed for SGMII */
  4571. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4572. vars->line_speed);
  4573. break;
  4574. }
  4575. /* Setting the full duplex */
  4576. if (phy->req_duplex == DUPLEX_FULL)
  4577. mii_control |=
  4578. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4579. CL22_WR_OVER_CL45(bp, phy,
  4580. MDIO_REG_BANK_COMBO_IEEE0,
  4581. MDIO_COMBO_IEEE0_MII_CONTROL,
  4582. mii_control);
  4583. } else { /* AN mode */
  4584. /* Enable and restart AN */
  4585. bnx2x_restart_autoneg(phy, params, 0);
  4586. }
  4587. }
  4588. /* Link management
  4589. */
  4590. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4591. struct link_params *params)
  4592. {
  4593. struct bnx2x *bp = params->bp;
  4594. u16 pd_10g, status2_1000x;
  4595. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4596. return 0;
  4597. CL22_RD_OVER_CL45(bp, phy,
  4598. MDIO_REG_BANK_SERDES_DIGITAL,
  4599. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4600. &status2_1000x);
  4601. CL22_RD_OVER_CL45(bp, phy,
  4602. MDIO_REG_BANK_SERDES_DIGITAL,
  4603. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4604. &status2_1000x);
  4605. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4606. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4607. params->port);
  4608. return 1;
  4609. }
  4610. CL22_RD_OVER_CL45(bp, phy,
  4611. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4612. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4613. &pd_10g);
  4614. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4615. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4616. params->port);
  4617. return 1;
  4618. }
  4619. return 0;
  4620. }
  4621. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4622. struct link_params *params,
  4623. struct link_vars *vars,
  4624. u32 gp_status)
  4625. {
  4626. u16 ld_pause; /* local driver */
  4627. u16 lp_pause; /* link partner */
  4628. u16 pause_result;
  4629. struct bnx2x *bp = params->bp;
  4630. if ((gp_status &
  4631. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4632. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4633. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4634. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4635. CL22_RD_OVER_CL45(bp, phy,
  4636. MDIO_REG_BANK_CL73_IEEEB1,
  4637. MDIO_CL73_IEEEB1_AN_ADV1,
  4638. &ld_pause);
  4639. CL22_RD_OVER_CL45(bp, phy,
  4640. MDIO_REG_BANK_CL73_IEEEB1,
  4641. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4642. &lp_pause);
  4643. pause_result = (ld_pause &
  4644. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4645. pause_result |= (lp_pause &
  4646. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4647. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4648. } else {
  4649. CL22_RD_OVER_CL45(bp, phy,
  4650. MDIO_REG_BANK_COMBO_IEEE0,
  4651. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4652. &ld_pause);
  4653. CL22_RD_OVER_CL45(bp, phy,
  4654. MDIO_REG_BANK_COMBO_IEEE0,
  4655. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4656. &lp_pause);
  4657. pause_result = (ld_pause &
  4658. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4659. pause_result |= (lp_pause &
  4660. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4661. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4662. }
  4663. bnx2x_pause_resolve(vars, pause_result);
  4664. }
  4665. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4666. struct link_params *params,
  4667. struct link_vars *vars,
  4668. u32 gp_status)
  4669. {
  4670. struct bnx2x *bp = params->bp;
  4671. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4672. /* Resolve from gp_status in case of AN complete and not sgmii */
  4673. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4674. /* Update the advertised flow-controled of LD/LP in AN */
  4675. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4676. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4677. /* But set the flow-control result as the requested one */
  4678. vars->flow_ctrl = phy->req_flow_ctrl;
  4679. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4680. vars->flow_ctrl = params->req_fc_auto_adv;
  4681. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4682. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4683. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4684. vars->flow_ctrl = params->req_fc_auto_adv;
  4685. return;
  4686. }
  4687. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4688. }
  4689. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4690. }
  4691. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4692. struct link_params *params)
  4693. {
  4694. struct bnx2x *bp = params->bp;
  4695. u16 rx_status, ustat_val, cl37_fsm_received;
  4696. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4697. /* Step 1: Make sure signal is detected */
  4698. CL22_RD_OVER_CL45(bp, phy,
  4699. MDIO_REG_BANK_RX0,
  4700. MDIO_RX0_RX_STATUS,
  4701. &rx_status);
  4702. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4703. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4704. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4705. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4706. CL22_WR_OVER_CL45(bp, phy,
  4707. MDIO_REG_BANK_CL73_IEEEB0,
  4708. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4709. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4710. return;
  4711. }
  4712. /* Step 2: Check CL73 state machine */
  4713. CL22_RD_OVER_CL45(bp, phy,
  4714. MDIO_REG_BANK_CL73_USERB0,
  4715. MDIO_CL73_USERB0_CL73_USTAT1,
  4716. &ustat_val);
  4717. if ((ustat_val &
  4718. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4719. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4720. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4721. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4722. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4723. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4724. return;
  4725. }
  4726. /* Step 3: Check CL37 Message Pages received to indicate LP
  4727. * supports only CL37
  4728. */
  4729. CL22_RD_OVER_CL45(bp, phy,
  4730. MDIO_REG_BANK_REMOTE_PHY,
  4731. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4732. &cl37_fsm_received);
  4733. if ((cl37_fsm_received &
  4734. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4735. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4736. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4737. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4738. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4739. "misc_rx_status(0x8330) = 0x%x\n",
  4740. cl37_fsm_received);
  4741. return;
  4742. }
  4743. /* The combined cl37/cl73 fsm state information indicating that
  4744. * we are connected to a device which does not support cl73, but
  4745. * does support cl37 BAM. In this case we disable cl73 and
  4746. * restart cl37 auto-neg
  4747. */
  4748. /* Disable CL73 */
  4749. CL22_WR_OVER_CL45(bp, phy,
  4750. MDIO_REG_BANK_CL73_IEEEB0,
  4751. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4752. 0);
  4753. /* Restart CL37 autoneg */
  4754. bnx2x_restart_autoneg(phy, params, 0);
  4755. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4756. }
  4757. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4758. struct link_params *params,
  4759. struct link_vars *vars,
  4760. u32 gp_status)
  4761. {
  4762. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4763. vars->link_status |=
  4764. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4765. if (bnx2x_direct_parallel_detect_used(phy, params))
  4766. vars->link_status |=
  4767. LINK_STATUS_PARALLEL_DETECTION_USED;
  4768. }
  4769. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4770. struct link_params *params,
  4771. struct link_vars *vars,
  4772. u16 is_link_up,
  4773. u16 speed_mask,
  4774. u16 is_duplex)
  4775. {
  4776. struct bnx2x *bp = params->bp;
  4777. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4778. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4779. if (is_link_up) {
  4780. DP(NETIF_MSG_LINK, "phy link up\n");
  4781. vars->phy_link_up = 1;
  4782. vars->link_status |= LINK_STATUS_LINK_UP;
  4783. switch (speed_mask) {
  4784. case GP_STATUS_10M:
  4785. vars->line_speed = SPEED_10;
  4786. if (is_duplex == DUPLEX_FULL)
  4787. vars->link_status |= LINK_10TFD;
  4788. else
  4789. vars->link_status |= LINK_10THD;
  4790. break;
  4791. case GP_STATUS_100M:
  4792. vars->line_speed = SPEED_100;
  4793. if (is_duplex == DUPLEX_FULL)
  4794. vars->link_status |= LINK_100TXFD;
  4795. else
  4796. vars->link_status |= LINK_100TXHD;
  4797. break;
  4798. case GP_STATUS_1G:
  4799. case GP_STATUS_1G_KX:
  4800. vars->line_speed = SPEED_1000;
  4801. if (is_duplex == DUPLEX_FULL)
  4802. vars->link_status |= LINK_1000TFD;
  4803. else
  4804. vars->link_status |= LINK_1000THD;
  4805. break;
  4806. case GP_STATUS_2_5G:
  4807. vars->line_speed = SPEED_2500;
  4808. if (is_duplex == DUPLEX_FULL)
  4809. vars->link_status |= LINK_2500TFD;
  4810. else
  4811. vars->link_status |= LINK_2500THD;
  4812. break;
  4813. case GP_STATUS_5G:
  4814. case GP_STATUS_6G:
  4815. DP(NETIF_MSG_LINK,
  4816. "link speed unsupported gp_status 0x%x\n",
  4817. speed_mask);
  4818. return -EINVAL;
  4819. case GP_STATUS_10G_KX4:
  4820. case GP_STATUS_10G_HIG:
  4821. case GP_STATUS_10G_CX4:
  4822. case GP_STATUS_10G_KR:
  4823. case GP_STATUS_10G_SFI:
  4824. case GP_STATUS_10G_XFI:
  4825. vars->line_speed = SPEED_10000;
  4826. vars->link_status |= LINK_10GTFD;
  4827. break;
  4828. case GP_STATUS_20G_DXGXS:
  4829. case GP_STATUS_20G_KR2:
  4830. vars->line_speed = SPEED_20000;
  4831. vars->link_status |= LINK_20GTFD;
  4832. break;
  4833. default:
  4834. DP(NETIF_MSG_LINK,
  4835. "link speed unsupported gp_status 0x%x\n",
  4836. speed_mask);
  4837. return -EINVAL;
  4838. }
  4839. } else { /* link_down */
  4840. DP(NETIF_MSG_LINK, "phy link down\n");
  4841. vars->phy_link_up = 0;
  4842. vars->duplex = DUPLEX_FULL;
  4843. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4844. vars->mac_type = MAC_TYPE_NONE;
  4845. }
  4846. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4847. vars->phy_link_up, vars->line_speed);
  4848. return 0;
  4849. }
  4850. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4851. struct link_params *params,
  4852. struct link_vars *vars)
  4853. {
  4854. struct bnx2x *bp = params->bp;
  4855. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4856. int rc = 0;
  4857. /* Read gp_status */
  4858. CL22_RD_OVER_CL45(bp, phy,
  4859. MDIO_REG_BANK_GP_STATUS,
  4860. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4861. &gp_status);
  4862. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4863. duplex = DUPLEX_FULL;
  4864. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4865. link_up = 1;
  4866. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4867. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4868. gp_status, link_up, speed_mask);
  4869. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4870. duplex);
  4871. if (rc == -EINVAL)
  4872. return rc;
  4873. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4874. if (SINGLE_MEDIA_DIRECT(params)) {
  4875. vars->duplex = duplex;
  4876. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4877. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4878. bnx2x_xgxs_an_resolve(phy, params, vars,
  4879. gp_status);
  4880. }
  4881. } else { /* Link_down */
  4882. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4883. SINGLE_MEDIA_DIRECT(params)) {
  4884. /* Check signal is detected */
  4885. bnx2x_check_fallback_to_cl37(phy, params);
  4886. }
  4887. }
  4888. /* Read LP advertised speeds*/
  4889. if (SINGLE_MEDIA_DIRECT(params) &&
  4890. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4891. u16 val;
  4892. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4893. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4894. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4895. vars->link_status |=
  4896. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4897. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4898. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4899. vars->link_status |=
  4900. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4901. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4902. MDIO_OVER_1G_LP_UP1, &val);
  4903. if (val & MDIO_OVER_1G_UP1_2_5G)
  4904. vars->link_status |=
  4905. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4906. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4907. vars->link_status |=
  4908. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4909. }
  4910. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4911. vars->duplex, vars->flow_ctrl, vars->link_status);
  4912. return rc;
  4913. }
  4914. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4915. struct link_params *params,
  4916. struct link_vars *vars)
  4917. {
  4918. struct bnx2x *bp = params->bp;
  4919. u8 lane;
  4920. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4921. int rc = 0;
  4922. lane = bnx2x_get_warpcore_lane(phy, params);
  4923. /* Read gp_status */
  4924. if ((params->loopback_mode) &&
  4925. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4926. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4927. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4928. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4929. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4930. link_up &= 0x1;
  4931. } else if ((phy->req_line_speed > SPEED_10000) &&
  4932. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4933. u16 temp_link_up;
  4934. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4935. 1, &temp_link_up);
  4936. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4937. 1, &link_up);
  4938. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4939. temp_link_up, link_up);
  4940. link_up &= (1<<2);
  4941. if (link_up)
  4942. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4943. } else {
  4944. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4945. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4946. &gp_status1);
  4947. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4948. /* Check for either KR, 1G, or AN up. */
  4949. link_up = ((gp_status1 >> 8) |
  4950. (gp_status1 >> 12) |
  4951. (gp_status1)) &
  4952. (1 << lane);
  4953. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4954. u16 an_link;
  4955. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4956. MDIO_AN_REG_STATUS, &an_link);
  4957. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4958. MDIO_AN_REG_STATUS, &an_link);
  4959. link_up |= (an_link & (1<<2));
  4960. }
  4961. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4962. u16 pd, gp_status4;
  4963. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4964. /* Check Autoneg complete */
  4965. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4966. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4967. &gp_status4);
  4968. if (gp_status4 & ((1<<12)<<lane))
  4969. vars->link_status |=
  4970. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4971. /* Check parallel detect used */
  4972. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4973. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4974. &pd);
  4975. if (pd & (1<<15))
  4976. vars->link_status |=
  4977. LINK_STATUS_PARALLEL_DETECTION_USED;
  4978. }
  4979. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4980. vars->duplex = duplex;
  4981. }
  4982. }
  4983. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4984. SINGLE_MEDIA_DIRECT(params)) {
  4985. u16 val;
  4986. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4987. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4988. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4989. vars->link_status |=
  4990. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4991. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4992. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4993. vars->link_status |=
  4994. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4995. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4996. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4997. if (val & MDIO_OVER_1G_UP1_2_5G)
  4998. vars->link_status |=
  4999. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  5000. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  5001. vars->link_status |=
  5002. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  5003. }
  5004. if (lane < 2) {
  5005. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5006. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  5007. } else {
  5008. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5009. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5010. }
  5011. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5012. if ((lane & 1) == 0)
  5013. gp_speed <<= 8;
  5014. gp_speed &= 0x3f00;
  5015. link_up = !!link_up;
  5016. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5017. duplex);
  5018. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5019. vars->duplex, vars->flow_ctrl, vars->link_status);
  5020. return rc;
  5021. }
  5022. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5023. {
  5024. struct bnx2x *bp = params->bp;
  5025. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5026. u16 lp_up2;
  5027. u16 tx_driver;
  5028. u16 bank;
  5029. /* Read precomp */
  5030. CL22_RD_OVER_CL45(bp, phy,
  5031. MDIO_REG_BANK_OVER_1G,
  5032. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5033. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5034. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5035. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5036. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5037. if (lp_up2 == 0)
  5038. return;
  5039. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5040. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5041. CL22_RD_OVER_CL45(bp, phy,
  5042. bank,
  5043. MDIO_TX0_TX_DRIVER, &tx_driver);
  5044. /* Replace tx_driver bits [15:12] */
  5045. if (lp_up2 !=
  5046. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5047. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5048. tx_driver |= lp_up2;
  5049. CL22_WR_OVER_CL45(bp, phy,
  5050. bank,
  5051. MDIO_TX0_TX_DRIVER, tx_driver);
  5052. }
  5053. }
  5054. }
  5055. static int bnx2x_emac_program(struct link_params *params,
  5056. struct link_vars *vars)
  5057. {
  5058. struct bnx2x *bp = params->bp;
  5059. u8 port = params->port;
  5060. u16 mode = 0;
  5061. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5062. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5063. EMAC_REG_EMAC_MODE,
  5064. (EMAC_MODE_25G_MODE |
  5065. EMAC_MODE_PORT_MII_10M |
  5066. EMAC_MODE_HALF_DUPLEX));
  5067. switch (vars->line_speed) {
  5068. case SPEED_10:
  5069. mode |= EMAC_MODE_PORT_MII_10M;
  5070. break;
  5071. case SPEED_100:
  5072. mode |= EMAC_MODE_PORT_MII;
  5073. break;
  5074. case SPEED_1000:
  5075. mode |= EMAC_MODE_PORT_GMII;
  5076. break;
  5077. case SPEED_2500:
  5078. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5079. break;
  5080. default:
  5081. /* 10G not valid for EMAC */
  5082. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5083. vars->line_speed);
  5084. return -EINVAL;
  5085. }
  5086. if (vars->duplex == DUPLEX_HALF)
  5087. mode |= EMAC_MODE_HALF_DUPLEX;
  5088. bnx2x_bits_en(bp,
  5089. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5090. mode);
  5091. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5092. return 0;
  5093. }
  5094. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5095. struct link_params *params)
  5096. {
  5097. u16 bank, i = 0;
  5098. struct bnx2x *bp = params->bp;
  5099. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5100. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5101. CL22_WR_OVER_CL45(bp, phy,
  5102. bank,
  5103. MDIO_RX0_RX_EQ_BOOST,
  5104. phy->rx_preemphasis[i]);
  5105. }
  5106. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5107. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5108. CL22_WR_OVER_CL45(bp, phy,
  5109. bank,
  5110. MDIO_TX0_TX_DRIVER,
  5111. phy->tx_preemphasis[i]);
  5112. }
  5113. }
  5114. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5115. struct link_params *params,
  5116. struct link_vars *vars)
  5117. {
  5118. struct bnx2x *bp = params->bp;
  5119. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5120. (params->loopback_mode == LOOPBACK_XGXS));
  5121. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5122. if (SINGLE_MEDIA_DIRECT(params) &&
  5123. (params->feature_config_flags &
  5124. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5125. bnx2x_set_preemphasis(phy, params);
  5126. /* Forced speed requested? */
  5127. if (vars->line_speed != SPEED_AUTO_NEG ||
  5128. (SINGLE_MEDIA_DIRECT(params) &&
  5129. params->loopback_mode == LOOPBACK_EXT)) {
  5130. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5131. /* Disable autoneg */
  5132. bnx2x_set_autoneg(phy, params, vars, 0);
  5133. /* Program speed and duplex */
  5134. bnx2x_program_serdes(phy, params, vars);
  5135. } else { /* AN_mode */
  5136. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5137. /* AN enabled */
  5138. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5139. /* Program duplex & pause advertisement (for aneg) */
  5140. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5141. vars->ieee_fc);
  5142. /* Enable autoneg */
  5143. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5144. /* Enable and restart AN */
  5145. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5146. }
  5147. } else { /* SGMII mode */
  5148. DP(NETIF_MSG_LINK, "SGMII\n");
  5149. bnx2x_initialize_sgmii_process(phy, params, vars);
  5150. }
  5151. }
  5152. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5153. struct link_params *params,
  5154. struct link_vars *vars)
  5155. {
  5156. int rc;
  5157. vars->phy_flags |= PHY_XGXS_FLAG;
  5158. if ((phy->req_line_speed &&
  5159. ((phy->req_line_speed == SPEED_100) ||
  5160. (phy->req_line_speed == SPEED_10))) ||
  5161. (!phy->req_line_speed &&
  5162. (phy->speed_cap_mask >=
  5163. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5164. (phy->speed_cap_mask <
  5165. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5166. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5167. vars->phy_flags |= PHY_SGMII_FLAG;
  5168. else
  5169. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5170. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5171. bnx2x_set_aer_mmd(params, phy);
  5172. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5173. bnx2x_set_master_ln(params, phy);
  5174. rc = bnx2x_reset_unicore(params, phy, 0);
  5175. /* Reset the SerDes and wait for reset bit return low */
  5176. if (rc)
  5177. return rc;
  5178. bnx2x_set_aer_mmd(params, phy);
  5179. /* Setting the masterLn_def again after the reset */
  5180. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5181. bnx2x_set_master_ln(params, phy);
  5182. bnx2x_set_swap_lanes(params, phy);
  5183. }
  5184. return rc;
  5185. }
  5186. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5187. struct bnx2x_phy *phy,
  5188. struct link_params *params)
  5189. {
  5190. u16 cnt, ctrl;
  5191. /* Wait for soft reset to get cleared up to 1 sec */
  5192. for (cnt = 0; cnt < 1000; cnt++) {
  5193. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5194. bnx2x_cl22_read(bp, phy,
  5195. MDIO_PMA_REG_CTRL, &ctrl);
  5196. else
  5197. bnx2x_cl45_read(bp, phy,
  5198. MDIO_PMA_DEVAD,
  5199. MDIO_PMA_REG_CTRL, &ctrl);
  5200. if (!(ctrl & (1<<15)))
  5201. break;
  5202. usleep_range(1000, 2000);
  5203. }
  5204. if (cnt == 1000)
  5205. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5206. " Port %d\n",
  5207. params->port);
  5208. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5209. return cnt;
  5210. }
  5211. static void bnx2x_link_int_enable(struct link_params *params)
  5212. {
  5213. u8 port = params->port;
  5214. u32 mask;
  5215. struct bnx2x *bp = params->bp;
  5216. /* Setting the status to report on link up for either XGXS or SerDes */
  5217. if (CHIP_IS_E3(bp)) {
  5218. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5219. if (!(SINGLE_MEDIA_DIRECT(params)))
  5220. mask |= NIG_MASK_MI_INT;
  5221. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5222. mask = (NIG_MASK_XGXS0_LINK10G |
  5223. NIG_MASK_XGXS0_LINK_STATUS);
  5224. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5225. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5226. params->phy[INT_PHY].type !=
  5227. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5228. mask |= NIG_MASK_MI_INT;
  5229. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5230. }
  5231. } else { /* SerDes */
  5232. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5233. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5234. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5235. params->phy[INT_PHY].type !=
  5236. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5237. mask |= NIG_MASK_MI_INT;
  5238. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5239. }
  5240. }
  5241. bnx2x_bits_en(bp,
  5242. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5243. mask);
  5244. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5245. (params->switch_cfg == SWITCH_CFG_10G),
  5246. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5247. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5248. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5249. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5250. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5251. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5252. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5253. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5254. }
  5255. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5256. u8 exp_mi_int)
  5257. {
  5258. u32 latch_status = 0;
  5259. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5260. * status register. Link down indication is high-active-signal,
  5261. * so in this case we need to write the status to clear the XOR
  5262. */
  5263. /* Read Latched signals */
  5264. latch_status = REG_RD(bp,
  5265. NIG_REG_LATCH_STATUS_0 + port*8);
  5266. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5267. /* Handle only those with latched-signal=up.*/
  5268. if (exp_mi_int)
  5269. bnx2x_bits_en(bp,
  5270. NIG_REG_STATUS_INTERRUPT_PORT0
  5271. + port*4,
  5272. NIG_STATUS_EMAC0_MI_INT);
  5273. else
  5274. bnx2x_bits_dis(bp,
  5275. NIG_REG_STATUS_INTERRUPT_PORT0
  5276. + port*4,
  5277. NIG_STATUS_EMAC0_MI_INT);
  5278. if (latch_status & 1) {
  5279. /* For all latched-signal=up : Re-Arm Latch signals */
  5280. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5281. (latch_status & 0xfffe) | (latch_status & 1));
  5282. }
  5283. /* For all latched-signal=up,Write original_signal to status */
  5284. }
  5285. static void bnx2x_link_int_ack(struct link_params *params,
  5286. struct link_vars *vars, u8 is_10g_plus)
  5287. {
  5288. struct bnx2x *bp = params->bp;
  5289. u8 port = params->port;
  5290. u32 mask;
  5291. /* First reset all status we assume only one line will be
  5292. * change at a time
  5293. */
  5294. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5295. (NIG_STATUS_XGXS0_LINK10G |
  5296. NIG_STATUS_XGXS0_LINK_STATUS |
  5297. NIG_STATUS_SERDES0_LINK_STATUS));
  5298. if (vars->phy_link_up) {
  5299. if (USES_WARPCORE(bp))
  5300. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5301. else {
  5302. if (is_10g_plus)
  5303. mask = NIG_STATUS_XGXS0_LINK10G;
  5304. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5305. /* Disable the link interrupt by writing 1 to
  5306. * the relevant lane in the status register
  5307. */
  5308. u32 ser_lane =
  5309. ((params->lane_config &
  5310. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5311. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5312. mask = ((1 << ser_lane) <<
  5313. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5314. } else
  5315. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5316. }
  5317. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5318. mask);
  5319. bnx2x_bits_en(bp,
  5320. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5321. mask);
  5322. }
  5323. }
  5324. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5325. {
  5326. u8 *str_ptr = str;
  5327. u32 mask = 0xf0000000;
  5328. u8 shift = 8*4;
  5329. u8 digit;
  5330. u8 remove_leading_zeros = 1;
  5331. if (*len < 10) {
  5332. /* Need more than 10chars for this format */
  5333. *str_ptr = '\0';
  5334. (*len)--;
  5335. return -EINVAL;
  5336. }
  5337. while (shift > 0) {
  5338. shift -= 4;
  5339. digit = ((num & mask) >> shift);
  5340. if (digit == 0 && remove_leading_zeros) {
  5341. mask = mask >> 4;
  5342. continue;
  5343. } else if (digit < 0xa)
  5344. *str_ptr = digit + '0';
  5345. else
  5346. *str_ptr = digit - 0xa + 'a';
  5347. remove_leading_zeros = 0;
  5348. str_ptr++;
  5349. (*len)--;
  5350. mask = mask >> 4;
  5351. if (shift == 4*4) {
  5352. *str_ptr = '.';
  5353. str_ptr++;
  5354. (*len)--;
  5355. remove_leading_zeros = 1;
  5356. }
  5357. }
  5358. return 0;
  5359. }
  5360. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5361. {
  5362. str[0] = '\0';
  5363. (*len)--;
  5364. return 0;
  5365. }
  5366. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5367. u16 len)
  5368. {
  5369. struct bnx2x *bp;
  5370. u32 spirom_ver = 0;
  5371. int status = 0;
  5372. u8 *ver_p = version;
  5373. u16 remain_len = len;
  5374. if (version == NULL || params == NULL)
  5375. return -EINVAL;
  5376. bp = params->bp;
  5377. /* Extract first external phy*/
  5378. version[0] = '\0';
  5379. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5380. if (params->phy[EXT_PHY1].format_fw_ver) {
  5381. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5382. ver_p,
  5383. &remain_len);
  5384. ver_p += (len - remain_len);
  5385. }
  5386. if ((params->num_phys == MAX_PHYS) &&
  5387. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5388. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5389. if (params->phy[EXT_PHY2].format_fw_ver) {
  5390. *ver_p = '/';
  5391. ver_p++;
  5392. remain_len--;
  5393. status |= params->phy[EXT_PHY2].format_fw_ver(
  5394. spirom_ver,
  5395. ver_p,
  5396. &remain_len);
  5397. ver_p = version + (len - remain_len);
  5398. }
  5399. }
  5400. *ver_p = '\0';
  5401. return status;
  5402. }
  5403. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5404. struct link_params *params)
  5405. {
  5406. u8 port = params->port;
  5407. struct bnx2x *bp = params->bp;
  5408. if (phy->req_line_speed != SPEED_1000) {
  5409. u32 md_devad = 0;
  5410. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5411. if (!CHIP_IS_E3(bp)) {
  5412. /* Change the uni_phy_addr in the nig */
  5413. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5414. port*0x18));
  5415. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5416. 0x5);
  5417. }
  5418. bnx2x_cl45_write(bp, phy,
  5419. 5,
  5420. (MDIO_REG_BANK_AER_BLOCK +
  5421. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5422. 0x2800);
  5423. bnx2x_cl45_write(bp, phy,
  5424. 5,
  5425. (MDIO_REG_BANK_CL73_IEEEB0 +
  5426. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5427. 0x6041);
  5428. msleep(200);
  5429. /* Set aer mmd back */
  5430. bnx2x_set_aer_mmd(params, phy);
  5431. if (!CHIP_IS_E3(bp)) {
  5432. /* And md_devad */
  5433. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5434. md_devad);
  5435. }
  5436. } else {
  5437. u16 mii_ctrl;
  5438. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5439. bnx2x_cl45_read(bp, phy, 5,
  5440. (MDIO_REG_BANK_COMBO_IEEE0 +
  5441. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5442. &mii_ctrl);
  5443. bnx2x_cl45_write(bp, phy, 5,
  5444. (MDIO_REG_BANK_COMBO_IEEE0 +
  5445. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5446. mii_ctrl |
  5447. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5448. }
  5449. }
  5450. int bnx2x_set_led(struct link_params *params,
  5451. struct link_vars *vars, u8 mode, u32 speed)
  5452. {
  5453. u8 port = params->port;
  5454. u16 hw_led_mode = params->hw_led_mode;
  5455. int rc = 0;
  5456. u8 phy_idx;
  5457. u32 tmp;
  5458. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5459. struct bnx2x *bp = params->bp;
  5460. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5461. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5462. speed, hw_led_mode);
  5463. /* In case */
  5464. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5465. if (params->phy[phy_idx].set_link_led) {
  5466. params->phy[phy_idx].set_link_led(
  5467. &params->phy[phy_idx], params, mode);
  5468. }
  5469. }
  5470. switch (mode) {
  5471. case LED_MODE_FRONT_PANEL_OFF:
  5472. case LED_MODE_OFF:
  5473. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5474. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5475. SHARED_HW_CFG_LED_MAC1);
  5476. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5477. if (params->phy[EXT_PHY1].type ==
  5478. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5479. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5480. EMAC_LED_100MB_OVERRIDE |
  5481. EMAC_LED_10MB_OVERRIDE);
  5482. else
  5483. tmp |= EMAC_LED_OVERRIDE;
  5484. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5485. break;
  5486. case LED_MODE_OPER:
  5487. /* For all other phys, OPER mode is same as ON, so in case
  5488. * link is down, do nothing
  5489. */
  5490. if (!vars->link_up)
  5491. break;
  5492. case LED_MODE_ON:
  5493. if (((params->phy[EXT_PHY1].type ==
  5494. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5495. (params->phy[EXT_PHY1].type ==
  5496. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5497. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5498. /* This is a work-around for E2+8727 Configurations */
  5499. if (mode == LED_MODE_ON ||
  5500. speed == SPEED_10000){
  5501. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5502. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5503. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5504. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5505. (tmp | EMAC_LED_OVERRIDE));
  5506. /* Return here without enabling traffic
  5507. * LED blink and setting rate in ON mode.
  5508. * In oper mode, enabling LED blink
  5509. * and setting rate is needed.
  5510. */
  5511. if (mode == LED_MODE_ON)
  5512. return rc;
  5513. }
  5514. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5515. /* This is a work-around for HW issue found when link
  5516. * is up in CL73
  5517. */
  5518. if ((!CHIP_IS_E3(bp)) ||
  5519. (CHIP_IS_E3(bp) &&
  5520. mode == LED_MODE_ON))
  5521. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5522. if (CHIP_IS_E1x(bp) ||
  5523. CHIP_IS_E2(bp) ||
  5524. (mode == LED_MODE_ON))
  5525. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5526. else
  5527. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5528. hw_led_mode);
  5529. } else if ((params->phy[EXT_PHY1].type ==
  5530. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5531. (mode == LED_MODE_ON)) {
  5532. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5533. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5534. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5535. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5536. /* Break here; otherwise, it'll disable the
  5537. * intended override.
  5538. */
  5539. break;
  5540. } else
  5541. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5542. hw_led_mode);
  5543. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5544. /* Set blinking rate to ~15.9Hz */
  5545. if (CHIP_IS_E3(bp))
  5546. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5547. LED_BLINK_RATE_VAL_E3);
  5548. else
  5549. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5550. LED_BLINK_RATE_VAL_E1X_E2);
  5551. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5552. port*4, 1);
  5553. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5554. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5555. (tmp & (~EMAC_LED_OVERRIDE)));
  5556. if (CHIP_IS_E1(bp) &&
  5557. ((speed == SPEED_2500) ||
  5558. (speed == SPEED_1000) ||
  5559. (speed == SPEED_100) ||
  5560. (speed == SPEED_10))) {
  5561. /* For speeds less than 10G LED scheme is different */
  5562. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5563. + port*4, 1);
  5564. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5565. port*4, 0);
  5566. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5567. port*4, 1);
  5568. }
  5569. break;
  5570. default:
  5571. rc = -EINVAL;
  5572. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5573. mode);
  5574. break;
  5575. }
  5576. return rc;
  5577. }
  5578. /* This function comes to reflect the actual link state read DIRECTLY from the
  5579. * HW
  5580. */
  5581. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5582. u8 is_serdes)
  5583. {
  5584. struct bnx2x *bp = params->bp;
  5585. u16 gp_status = 0, phy_index = 0;
  5586. u8 ext_phy_link_up = 0, serdes_phy_type;
  5587. struct link_vars temp_vars;
  5588. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5589. if (CHIP_IS_E3(bp)) {
  5590. u16 link_up;
  5591. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5592. > SPEED_10000) {
  5593. /* Check 20G link */
  5594. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5595. 1, &link_up);
  5596. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5597. 1, &link_up);
  5598. link_up &= (1<<2);
  5599. } else {
  5600. /* Check 10G link and below*/
  5601. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5602. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5603. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5604. &gp_status);
  5605. gp_status = ((gp_status >> 8) & 0xf) |
  5606. ((gp_status >> 12) & 0xf);
  5607. link_up = gp_status & (1 << lane);
  5608. }
  5609. if (!link_up)
  5610. return -ESRCH;
  5611. } else {
  5612. CL22_RD_OVER_CL45(bp, int_phy,
  5613. MDIO_REG_BANK_GP_STATUS,
  5614. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5615. &gp_status);
  5616. /* Link is up only if both local phy and external phy are up */
  5617. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5618. return -ESRCH;
  5619. }
  5620. /* In XGXS loopback mode, do not check external PHY */
  5621. if (params->loopback_mode == LOOPBACK_XGXS)
  5622. return 0;
  5623. switch (params->num_phys) {
  5624. case 1:
  5625. /* No external PHY */
  5626. return 0;
  5627. case 2:
  5628. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5629. &params->phy[EXT_PHY1],
  5630. params, &temp_vars);
  5631. break;
  5632. case 3: /* Dual Media */
  5633. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5634. phy_index++) {
  5635. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5636. ETH_PHY_SFPP_10G_FIBER) ||
  5637. (params->phy[phy_index].media_type ==
  5638. ETH_PHY_SFP_1G_FIBER) ||
  5639. (params->phy[phy_index].media_type ==
  5640. ETH_PHY_XFP_FIBER) ||
  5641. (params->phy[phy_index].media_type ==
  5642. ETH_PHY_DA_TWINAX));
  5643. if (is_serdes != serdes_phy_type)
  5644. continue;
  5645. if (params->phy[phy_index].read_status) {
  5646. ext_phy_link_up |=
  5647. params->phy[phy_index].read_status(
  5648. &params->phy[phy_index],
  5649. params, &temp_vars);
  5650. }
  5651. }
  5652. break;
  5653. }
  5654. if (ext_phy_link_up)
  5655. return 0;
  5656. return -ESRCH;
  5657. }
  5658. static int bnx2x_link_initialize(struct link_params *params,
  5659. struct link_vars *vars)
  5660. {
  5661. int rc = 0;
  5662. u8 phy_index, non_ext_phy;
  5663. struct bnx2x *bp = params->bp;
  5664. /* In case of external phy existence, the line speed would be the
  5665. * line speed linked up by the external phy. In case it is direct
  5666. * only, then the line_speed during initialization will be
  5667. * equal to the req_line_speed
  5668. */
  5669. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5670. /* Initialize the internal phy in case this is a direct board
  5671. * (no external phys), or this board has external phy which requires
  5672. * to first.
  5673. */
  5674. if (!USES_WARPCORE(bp))
  5675. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5676. /* init ext phy and enable link state int */
  5677. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5678. (params->loopback_mode == LOOPBACK_XGXS));
  5679. if (non_ext_phy ||
  5680. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5681. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5682. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5683. if (vars->line_speed == SPEED_AUTO_NEG &&
  5684. (CHIP_IS_E1x(bp) ||
  5685. CHIP_IS_E2(bp)))
  5686. bnx2x_set_parallel_detection(phy, params);
  5687. if (params->phy[INT_PHY].config_init)
  5688. params->phy[INT_PHY].config_init(phy,
  5689. params,
  5690. vars);
  5691. }
  5692. /* Init external phy*/
  5693. if (non_ext_phy) {
  5694. if (params->phy[INT_PHY].supported &
  5695. SUPPORTED_FIBRE)
  5696. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5697. } else {
  5698. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5699. phy_index++) {
  5700. /* No need to initialize second phy in case of first
  5701. * phy only selection. In case of second phy, we do
  5702. * need to initialize the first phy, since they are
  5703. * connected.
  5704. */
  5705. if (params->phy[phy_index].supported &
  5706. SUPPORTED_FIBRE)
  5707. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5708. if (phy_index == EXT_PHY2 &&
  5709. (bnx2x_phy_selection(params) ==
  5710. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5711. DP(NETIF_MSG_LINK,
  5712. "Not initializing second phy\n");
  5713. continue;
  5714. }
  5715. params->phy[phy_index].config_init(
  5716. &params->phy[phy_index],
  5717. params, vars);
  5718. }
  5719. }
  5720. /* Reset the interrupt indication after phy was initialized */
  5721. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5722. params->port*4,
  5723. (NIG_STATUS_XGXS0_LINK10G |
  5724. NIG_STATUS_XGXS0_LINK_STATUS |
  5725. NIG_STATUS_SERDES0_LINK_STATUS |
  5726. NIG_MASK_MI_INT));
  5727. return rc;
  5728. }
  5729. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5730. struct link_params *params)
  5731. {
  5732. /* Reset the SerDes/XGXS */
  5733. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5734. (0x1ff << (params->port*16)));
  5735. }
  5736. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5737. struct link_params *params)
  5738. {
  5739. struct bnx2x *bp = params->bp;
  5740. u8 gpio_port;
  5741. /* HW reset */
  5742. if (CHIP_IS_E2(bp))
  5743. gpio_port = BP_PATH(bp);
  5744. else
  5745. gpio_port = params->port;
  5746. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5747. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5748. gpio_port);
  5749. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5750. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5751. gpio_port);
  5752. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5753. }
  5754. static int bnx2x_update_link_down(struct link_params *params,
  5755. struct link_vars *vars)
  5756. {
  5757. struct bnx2x *bp = params->bp;
  5758. u8 port = params->port;
  5759. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5760. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5761. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5762. /* Indicate no mac active */
  5763. vars->mac_type = MAC_TYPE_NONE;
  5764. /* Update shared memory */
  5765. vars->link_status &= ~LINK_UPDATE_MASK;
  5766. vars->line_speed = 0;
  5767. bnx2x_update_mng(params, vars->link_status);
  5768. /* Activate nig drain */
  5769. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5770. /* Disable emac */
  5771. if (!CHIP_IS_E3(bp))
  5772. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5773. usleep_range(10000, 20000);
  5774. /* Reset BigMac/Xmac */
  5775. if (CHIP_IS_E1x(bp) ||
  5776. CHIP_IS_E2(bp))
  5777. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5778. if (CHIP_IS_E3(bp)) {
  5779. /* Prevent LPI Generation by chip */
  5780. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5781. 0);
  5782. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5783. 0);
  5784. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5785. SHMEM_EEE_ACTIVE_BIT);
  5786. bnx2x_update_mng_eee(params, vars->eee_status);
  5787. bnx2x_set_xmac_rxtx(params, 0);
  5788. bnx2x_set_umac_rxtx(params, 0);
  5789. }
  5790. return 0;
  5791. }
  5792. static int bnx2x_update_link_up(struct link_params *params,
  5793. struct link_vars *vars,
  5794. u8 link_10g)
  5795. {
  5796. struct bnx2x *bp = params->bp;
  5797. u8 phy_idx, port = params->port;
  5798. int rc = 0;
  5799. vars->link_status |= (LINK_STATUS_LINK_UP |
  5800. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5801. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5802. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5803. vars->link_status |=
  5804. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5805. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5806. vars->link_status |=
  5807. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5808. if (USES_WARPCORE(bp)) {
  5809. if (link_10g) {
  5810. if (bnx2x_xmac_enable(params, vars, 0) ==
  5811. -ESRCH) {
  5812. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5813. vars->link_up = 0;
  5814. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5815. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5816. }
  5817. } else
  5818. bnx2x_umac_enable(params, vars, 0);
  5819. bnx2x_set_led(params, vars,
  5820. LED_MODE_OPER, vars->line_speed);
  5821. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5822. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5823. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5824. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5825. (params->port << 2), 1);
  5826. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5827. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5828. (params->port << 2), 0xfc20);
  5829. }
  5830. }
  5831. if ((CHIP_IS_E1x(bp) ||
  5832. CHIP_IS_E2(bp))) {
  5833. if (link_10g) {
  5834. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5835. -ESRCH) {
  5836. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5837. vars->link_up = 0;
  5838. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5839. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5840. }
  5841. bnx2x_set_led(params, vars,
  5842. LED_MODE_OPER, SPEED_10000);
  5843. } else {
  5844. rc = bnx2x_emac_program(params, vars);
  5845. bnx2x_emac_enable(params, vars, 0);
  5846. /* AN complete? */
  5847. if ((vars->link_status &
  5848. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5849. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5850. SINGLE_MEDIA_DIRECT(params))
  5851. bnx2x_set_gmii_tx_driver(params);
  5852. }
  5853. }
  5854. /* PBF - link up */
  5855. if (CHIP_IS_E1x(bp))
  5856. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5857. vars->line_speed);
  5858. /* Disable drain */
  5859. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5860. /* Update shared memory */
  5861. bnx2x_update_mng(params, vars->link_status);
  5862. bnx2x_update_mng_eee(params, vars->eee_status);
  5863. /* Check remote fault */
  5864. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5865. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5866. bnx2x_check_half_open_conn(params, vars, 0);
  5867. break;
  5868. }
  5869. }
  5870. msleep(20);
  5871. return rc;
  5872. }
  5873. /* The bnx2x_link_update function should be called upon link
  5874. * interrupt.
  5875. * Link is considered up as follows:
  5876. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5877. * to be up
  5878. * - SINGLE_MEDIA - The link between the 577xx and the external
  5879. * phy (XGXS) need to up as well as the external link of the
  5880. * phy (PHY_EXT1)
  5881. * - DUAL_MEDIA - The link between the 577xx and the first
  5882. * external phy needs to be up, and at least one of the 2
  5883. * external phy link must be up.
  5884. */
  5885. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5886. {
  5887. struct bnx2x *bp = params->bp;
  5888. struct link_vars phy_vars[MAX_PHYS];
  5889. u8 port = params->port;
  5890. u8 link_10g_plus, phy_index;
  5891. u8 ext_phy_link_up = 0, cur_link_up;
  5892. int rc = 0;
  5893. u8 is_mi_int = 0;
  5894. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5895. u8 active_external_phy = INT_PHY;
  5896. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5897. vars->link_status &= ~LINK_UPDATE_MASK;
  5898. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5899. phy_index++) {
  5900. phy_vars[phy_index].flow_ctrl = 0;
  5901. phy_vars[phy_index].link_status = 0;
  5902. phy_vars[phy_index].line_speed = 0;
  5903. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5904. phy_vars[phy_index].phy_link_up = 0;
  5905. phy_vars[phy_index].link_up = 0;
  5906. phy_vars[phy_index].fault_detected = 0;
  5907. /* different consideration, since vars holds inner state */
  5908. phy_vars[phy_index].eee_status = vars->eee_status;
  5909. }
  5910. if (USES_WARPCORE(bp))
  5911. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5912. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5913. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5914. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5915. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5916. port*0x18) > 0);
  5917. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5918. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5919. is_mi_int,
  5920. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5921. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5922. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5923. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5924. /* Disable emac */
  5925. if (!CHIP_IS_E3(bp))
  5926. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5927. /* Step 1:
  5928. * Check external link change only for external phys, and apply
  5929. * priority selection between them in case the link on both phys
  5930. * is up. Note that instead of the common vars, a temporary
  5931. * vars argument is used since each phy may have different link/
  5932. * speed/duplex result
  5933. */
  5934. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5935. phy_index++) {
  5936. struct bnx2x_phy *phy = &params->phy[phy_index];
  5937. if (!phy->read_status)
  5938. continue;
  5939. /* Read link status and params of this ext phy */
  5940. cur_link_up = phy->read_status(phy, params,
  5941. &phy_vars[phy_index]);
  5942. if (cur_link_up) {
  5943. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5944. phy_index);
  5945. } else {
  5946. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5947. phy_index);
  5948. continue;
  5949. }
  5950. if (!ext_phy_link_up) {
  5951. ext_phy_link_up = 1;
  5952. active_external_phy = phy_index;
  5953. } else {
  5954. switch (bnx2x_phy_selection(params)) {
  5955. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5956. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5957. /* In this option, the first PHY makes sure to pass the
  5958. * traffic through itself only.
  5959. * Its not clear how to reset the link on the second phy
  5960. */
  5961. active_external_phy = EXT_PHY1;
  5962. break;
  5963. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5964. /* In this option, the first PHY makes sure to pass the
  5965. * traffic through the second PHY.
  5966. */
  5967. active_external_phy = EXT_PHY2;
  5968. break;
  5969. default:
  5970. /* Link indication on both PHYs with the following cases
  5971. * is invalid:
  5972. * - FIRST_PHY means that second phy wasn't initialized,
  5973. * hence its link is expected to be down
  5974. * - SECOND_PHY means that first phy should not be able
  5975. * to link up by itself (using configuration)
  5976. * - DEFAULT should be overriden during initialiazation
  5977. */
  5978. DP(NETIF_MSG_LINK, "Invalid link indication"
  5979. "mpc=0x%x. DISABLING LINK !!!\n",
  5980. params->multi_phy_config);
  5981. ext_phy_link_up = 0;
  5982. break;
  5983. }
  5984. }
  5985. }
  5986. prev_line_speed = vars->line_speed;
  5987. /* Step 2:
  5988. * Read the status of the internal phy. In case of
  5989. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5990. * otherwise this is the link between the 577xx and the first
  5991. * external phy
  5992. */
  5993. if (params->phy[INT_PHY].read_status)
  5994. params->phy[INT_PHY].read_status(
  5995. &params->phy[INT_PHY],
  5996. params, vars);
  5997. /* The INT_PHY flow control reside in the vars. This include the
  5998. * case where the speed or flow control are not set to AUTO.
  5999. * Otherwise, the active external phy flow control result is set
  6000. * to the vars. The ext_phy_line_speed is needed to check if the
  6001. * speed is different between the internal phy and external phy.
  6002. * This case may be result of intermediate link speed change.
  6003. */
  6004. if (active_external_phy > INT_PHY) {
  6005. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  6006. /* Link speed is taken from the XGXS. AN and FC result from
  6007. * the external phy.
  6008. */
  6009. vars->link_status |= phy_vars[active_external_phy].link_status;
  6010. /* if active_external_phy is first PHY and link is up - disable
  6011. * disable TX on second external PHY
  6012. */
  6013. if (active_external_phy == EXT_PHY1) {
  6014. if (params->phy[EXT_PHY2].phy_specific_func) {
  6015. DP(NETIF_MSG_LINK,
  6016. "Disabling TX on EXT_PHY2\n");
  6017. params->phy[EXT_PHY2].phy_specific_func(
  6018. &params->phy[EXT_PHY2],
  6019. params, DISABLE_TX);
  6020. }
  6021. }
  6022. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6023. vars->duplex = phy_vars[active_external_phy].duplex;
  6024. if (params->phy[active_external_phy].supported &
  6025. SUPPORTED_FIBRE)
  6026. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6027. else
  6028. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6029. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6030. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6031. active_external_phy);
  6032. }
  6033. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6034. phy_index++) {
  6035. if (params->phy[phy_index].flags &
  6036. FLAGS_REARM_LATCH_SIGNAL) {
  6037. bnx2x_rearm_latch_signal(bp, port,
  6038. phy_index ==
  6039. active_external_phy);
  6040. break;
  6041. }
  6042. }
  6043. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6044. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6045. vars->link_status, ext_phy_line_speed);
  6046. /* Upon link speed change set the NIG into drain mode. Comes to
  6047. * deals with possible FIFO glitch due to clk change when speed
  6048. * is decreased without link down indicator
  6049. */
  6050. if (vars->phy_link_up) {
  6051. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6052. (ext_phy_line_speed != vars->line_speed)) {
  6053. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6054. " different than the external"
  6055. " link speed %d\n", vars->line_speed,
  6056. ext_phy_line_speed);
  6057. vars->phy_link_up = 0;
  6058. } else if (prev_line_speed != vars->line_speed) {
  6059. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6060. 0);
  6061. usleep_range(1000, 2000);
  6062. }
  6063. }
  6064. /* Anything 10 and over uses the bmac */
  6065. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6066. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6067. /* In case external phy link is up, and internal link is down
  6068. * (not initialized yet probably after link initialization, it
  6069. * needs to be initialized.
  6070. * Note that after link down-up as result of cable plug, the xgxs
  6071. * link would probably become up again without the need
  6072. * initialize it
  6073. */
  6074. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6075. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6076. " init_preceding = %d\n", ext_phy_link_up,
  6077. vars->phy_link_up,
  6078. params->phy[EXT_PHY1].flags &
  6079. FLAGS_INIT_XGXS_FIRST);
  6080. if (!(params->phy[EXT_PHY1].flags &
  6081. FLAGS_INIT_XGXS_FIRST)
  6082. && ext_phy_link_up && !vars->phy_link_up) {
  6083. vars->line_speed = ext_phy_line_speed;
  6084. if (vars->line_speed < SPEED_1000)
  6085. vars->phy_flags |= PHY_SGMII_FLAG;
  6086. else
  6087. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6088. if (params->phy[INT_PHY].config_init)
  6089. params->phy[INT_PHY].config_init(
  6090. &params->phy[INT_PHY], params,
  6091. vars);
  6092. }
  6093. }
  6094. /* Link is up only if both local phy and external phy (in case of
  6095. * non-direct board) are up and no fault detected on active PHY.
  6096. */
  6097. vars->link_up = (vars->phy_link_up &&
  6098. (ext_phy_link_up ||
  6099. SINGLE_MEDIA_DIRECT(params)) &&
  6100. (phy_vars[active_external_phy].fault_detected == 0));
  6101. /* Update the PFC configuration in case it was changed */
  6102. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6103. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6104. else
  6105. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6106. if (vars->link_up)
  6107. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6108. else
  6109. rc = bnx2x_update_link_down(params, vars);
  6110. /* Update MCP link status was changed */
  6111. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6112. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6113. return rc;
  6114. }
  6115. /*****************************************************************************/
  6116. /* External Phy section */
  6117. /*****************************************************************************/
  6118. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6119. {
  6120. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6121. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6122. usleep_range(1000, 2000);
  6123. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6124. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6125. }
  6126. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6127. u32 spirom_ver, u32 ver_addr)
  6128. {
  6129. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6130. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6131. if (ver_addr)
  6132. REG_WR(bp, ver_addr, spirom_ver);
  6133. }
  6134. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6135. struct bnx2x_phy *phy,
  6136. u8 port)
  6137. {
  6138. u16 fw_ver1, fw_ver2;
  6139. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6140. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6141. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6142. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6143. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6144. phy->ver_addr);
  6145. }
  6146. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6147. struct bnx2x_phy *phy,
  6148. struct link_vars *vars)
  6149. {
  6150. u16 val;
  6151. bnx2x_cl45_read(bp, phy,
  6152. MDIO_AN_DEVAD,
  6153. MDIO_AN_REG_STATUS, &val);
  6154. bnx2x_cl45_read(bp, phy,
  6155. MDIO_AN_DEVAD,
  6156. MDIO_AN_REG_STATUS, &val);
  6157. if (val & (1<<5))
  6158. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6159. if ((val & (1<<0)) == 0)
  6160. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6161. }
  6162. /******************************************************************/
  6163. /* common BCM8073/BCM8727 PHY SECTION */
  6164. /******************************************************************/
  6165. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6166. struct link_params *params,
  6167. struct link_vars *vars)
  6168. {
  6169. struct bnx2x *bp = params->bp;
  6170. if (phy->req_line_speed == SPEED_10 ||
  6171. phy->req_line_speed == SPEED_100) {
  6172. vars->flow_ctrl = phy->req_flow_ctrl;
  6173. return;
  6174. }
  6175. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6176. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6177. u16 pause_result;
  6178. u16 ld_pause; /* local */
  6179. u16 lp_pause; /* link partner */
  6180. bnx2x_cl45_read(bp, phy,
  6181. MDIO_AN_DEVAD,
  6182. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6183. bnx2x_cl45_read(bp, phy,
  6184. MDIO_AN_DEVAD,
  6185. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6186. pause_result = (ld_pause &
  6187. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6188. pause_result |= (lp_pause &
  6189. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6190. bnx2x_pause_resolve(vars, pause_result);
  6191. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6192. pause_result);
  6193. }
  6194. }
  6195. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6196. struct bnx2x_phy *phy,
  6197. u8 port)
  6198. {
  6199. u32 count = 0;
  6200. u16 fw_ver1, fw_msgout;
  6201. int rc = 0;
  6202. /* Boot port from external ROM */
  6203. /* EDC grst */
  6204. bnx2x_cl45_write(bp, phy,
  6205. MDIO_PMA_DEVAD,
  6206. MDIO_PMA_REG_GEN_CTRL,
  6207. 0x0001);
  6208. /* Ucode reboot and rst */
  6209. bnx2x_cl45_write(bp, phy,
  6210. MDIO_PMA_DEVAD,
  6211. MDIO_PMA_REG_GEN_CTRL,
  6212. 0x008c);
  6213. bnx2x_cl45_write(bp, phy,
  6214. MDIO_PMA_DEVAD,
  6215. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6216. /* Reset internal microprocessor */
  6217. bnx2x_cl45_write(bp, phy,
  6218. MDIO_PMA_DEVAD,
  6219. MDIO_PMA_REG_GEN_CTRL,
  6220. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6221. /* Release srst bit */
  6222. bnx2x_cl45_write(bp, phy,
  6223. MDIO_PMA_DEVAD,
  6224. MDIO_PMA_REG_GEN_CTRL,
  6225. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6226. /* Delay 100ms per the PHY specifications */
  6227. msleep(100);
  6228. /* 8073 sometimes taking longer to download */
  6229. do {
  6230. count++;
  6231. if (count > 300) {
  6232. DP(NETIF_MSG_LINK,
  6233. "bnx2x_8073_8727_external_rom_boot port %x:"
  6234. "Download failed. fw version = 0x%x\n",
  6235. port, fw_ver1);
  6236. rc = -EINVAL;
  6237. break;
  6238. }
  6239. bnx2x_cl45_read(bp, phy,
  6240. MDIO_PMA_DEVAD,
  6241. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6242. bnx2x_cl45_read(bp, phy,
  6243. MDIO_PMA_DEVAD,
  6244. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6245. usleep_range(1000, 2000);
  6246. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6247. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6248. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6249. /* Clear ser_boot_ctl bit */
  6250. bnx2x_cl45_write(bp, phy,
  6251. MDIO_PMA_DEVAD,
  6252. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6253. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6254. DP(NETIF_MSG_LINK,
  6255. "bnx2x_8073_8727_external_rom_boot port %x:"
  6256. "Download complete. fw version = 0x%x\n",
  6257. port, fw_ver1);
  6258. return rc;
  6259. }
  6260. /******************************************************************/
  6261. /* BCM8073 PHY SECTION */
  6262. /******************************************************************/
  6263. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6264. {
  6265. /* This is only required for 8073A1, version 102 only */
  6266. u16 val;
  6267. /* Read 8073 HW revision*/
  6268. bnx2x_cl45_read(bp, phy,
  6269. MDIO_PMA_DEVAD,
  6270. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6271. if (val != 1) {
  6272. /* No need to workaround in 8073 A1 */
  6273. return 0;
  6274. }
  6275. bnx2x_cl45_read(bp, phy,
  6276. MDIO_PMA_DEVAD,
  6277. MDIO_PMA_REG_ROM_VER2, &val);
  6278. /* SNR should be applied only for version 0x102 */
  6279. if (val != 0x102)
  6280. return 0;
  6281. return 1;
  6282. }
  6283. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6284. {
  6285. u16 val, cnt, cnt1 ;
  6286. bnx2x_cl45_read(bp, phy,
  6287. MDIO_PMA_DEVAD,
  6288. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6289. if (val > 0) {
  6290. /* No need to workaround in 8073 A1 */
  6291. return 0;
  6292. }
  6293. /* XAUI workaround in 8073 A0: */
  6294. /* After loading the boot ROM and restarting Autoneg, poll
  6295. * Dev1, Reg $C820:
  6296. */
  6297. for (cnt = 0; cnt < 1000; cnt++) {
  6298. bnx2x_cl45_read(bp, phy,
  6299. MDIO_PMA_DEVAD,
  6300. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6301. &val);
  6302. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6303. * system initialization (XAUI work-around not required, as
  6304. * these bits indicate 2.5G or 1G link up).
  6305. */
  6306. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6307. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6308. return 0;
  6309. } else if (!(val & (1<<15))) {
  6310. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6311. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6312. * MSB (bit15) goes to 1 (indicating that the XAUI
  6313. * workaround has completed), then continue on with
  6314. * system initialization.
  6315. */
  6316. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6317. bnx2x_cl45_read(bp, phy,
  6318. MDIO_PMA_DEVAD,
  6319. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6320. if (val & (1<<15)) {
  6321. DP(NETIF_MSG_LINK,
  6322. "XAUI workaround has completed\n");
  6323. return 0;
  6324. }
  6325. usleep_range(3000, 6000);
  6326. }
  6327. break;
  6328. }
  6329. usleep_range(3000, 6000);
  6330. }
  6331. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6332. return -EINVAL;
  6333. }
  6334. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6335. {
  6336. /* Force KR or KX */
  6337. bnx2x_cl45_write(bp, phy,
  6338. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6339. bnx2x_cl45_write(bp, phy,
  6340. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6341. bnx2x_cl45_write(bp, phy,
  6342. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6343. bnx2x_cl45_write(bp, phy,
  6344. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6345. }
  6346. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6347. struct bnx2x_phy *phy,
  6348. struct link_vars *vars)
  6349. {
  6350. u16 cl37_val;
  6351. struct bnx2x *bp = params->bp;
  6352. bnx2x_cl45_read(bp, phy,
  6353. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6354. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6355. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6356. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6357. if ((vars->ieee_fc &
  6358. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6359. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6360. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6361. }
  6362. if ((vars->ieee_fc &
  6363. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6364. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6365. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6366. }
  6367. if ((vars->ieee_fc &
  6368. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6369. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6370. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6371. }
  6372. DP(NETIF_MSG_LINK,
  6373. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6374. bnx2x_cl45_write(bp, phy,
  6375. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6376. msleep(500);
  6377. }
  6378. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6379. struct link_params *params,
  6380. u32 action)
  6381. {
  6382. struct bnx2x *bp = params->bp;
  6383. switch (action) {
  6384. case PHY_INIT:
  6385. /* Enable LASI */
  6386. bnx2x_cl45_write(bp, phy,
  6387. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6388. bnx2x_cl45_write(bp, phy,
  6389. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6390. break;
  6391. }
  6392. }
  6393. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6394. struct link_params *params,
  6395. struct link_vars *vars)
  6396. {
  6397. struct bnx2x *bp = params->bp;
  6398. u16 val = 0, tmp1;
  6399. u8 gpio_port;
  6400. DP(NETIF_MSG_LINK, "Init 8073\n");
  6401. if (CHIP_IS_E2(bp))
  6402. gpio_port = BP_PATH(bp);
  6403. else
  6404. gpio_port = params->port;
  6405. /* Restore normal power mode*/
  6406. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6407. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6408. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6409. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6410. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6411. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6412. bnx2x_cl45_read(bp, phy,
  6413. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6414. bnx2x_cl45_read(bp, phy,
  6415. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6416. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6417. /* Swap polarity if required - Must be done only in non-1G mode */
  6418. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6419. /* Configure the 8073 to swap _P and _N of the KR lines */
  6420. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6421. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6422. bnx2x_cl45_read(bp, phy,
  6423. MDIO_PMA_DEVAD,
  6424. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6425. bnx2x_cl45_write(bp, phy,
  6426. MDIO_PMA_DEVAD,
  6427. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6428. (val | (3<<9)));
  6429. }
  6430. /* Enable CL37 BAM */
  6431. if (REG_RD(bp, params->shmem_base +
  6432. offsetof(struct shmem_region, dev_info.
  6433. port_hw_config[params->port].default_cfg)) &
  6434. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6435. bnx2x_cl45_read(bp, phy,
  6436. MDIO_AN_DEVAD,
  6437. MDIO_AN_REG_8073_BAM, &val);
  6438. bnx2x_cl45_write(bp, phy,
  6439. MDIO_AN_DEVAD,
  6440. MDIO_AN_REG_8073_BAM, val | 1);
  6441. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6442. }
  6443. if (params->loopback_mode == LOOPBACK_EXT) {
  6444. bnx2x_807x_force_10G(bp, phy);
  6445. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6446. return 0;
  6447. } else {
  6448. bnx2x_cl45_write(bp, phy,
  6449. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6450. }
  6451. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6452. if (phy->req_line_speed == SPEED_10000) {
  6453. val = (1<<7);
  6454. } else if (phy->req_line_speed == SPEED_2500) {
  6455. val = (1<<5);
  6456. /* Note that 2.5G works only when used with 1G
  6457. * advertisement
  6458. */
  6459. } else
  6460. val = (1<<5);
  6461. } else {
  6462. val = 0;
  6463. if (phy->speed_cap_mask &
  6464. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6465. val |= (1<<7);
  6466. /* Note that 2.5G works only when used with 1G advertisement */
  6467. if (phy->speed_cap_mask &
  6468. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6469. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6470. val |= (1<<5);
  6471. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6472. }
  6473. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6474. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6475. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6476. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6477. (phy->req_line_speed == SPEED_2500)) {
  6478. u16 phy_ver;
  6479. /* Allow 2.5G for A1 and above */
  6480. bnx2x_cl45_read(bp, phy,
  6481. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6482. &phy_ver);
  6483. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6484. if (phy_ver > 0)
  6485. tmp1 |= 1;
  6486. else
  6487. tmp1 &= 0xfffe;
  6488. } else {
  6489. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6490. tmp1 &= 0xfffe;
  6491. }
  6492. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6493. /* Add support for CL37 (passive mode) II */
  6494. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6495. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6496. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6497. 0x20 : 0x40)));
  6498. /* Add support for CL37 (passive mode) III */
  6499. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6500. /* The SNR will improve about 2db by changing BW and FEE main
  6501. * tap. Rest commands are executed after link is up
  6502. * Change FFE main cursor to 5 in EDC register
  6503. */
  6504. if (bnx2x_8073_is_snr_needed(bp, phy))
  6505. bnx2x_cl45_write(bp, phy,
  6506. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6507. 0xFB0C);
  6508. /* Enable FEC (Forware Error Correction) Request in the AN */
  6509. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6510. tmp1 |= (1<<15);
  6511. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6512. bnx2x_ext_phy_set_pause(params, phy, vars);
  6513. /* Restart autoneg */
  6514. msleep(500);
  6515. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6516. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6517. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6518. return 0;
  6519. }
  6520. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6521. struct link_params *params,
  6522. struct link_vars *vars)
  6523. {
  6524. struct bnx2x *bp = params->bp;
  6525. u8 link_up = 0;
  6526. u16 val1, val2;
  6527. u16 link_status = 0;
  6528. u16 an1000_status = 0;
  6529. bnx2x_cl45_read(bp, phy,
  6530. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6531. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6532. /* Clear the interrupt LASI status register */
  6533. bnx2x_cl45_read(bp, phy,
  6534. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6535. bnx2x_cl45_read(bp, phy,
  6536. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6537. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6538. /* Clear MSG-OUT */
  6539. bnx2x_cl45_read(bp, phy,
  6540. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6541. /* Check the LASI */
  6542. bnx2x_cl45_read(bp, phy,
  6543. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6544. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6545. /* Check the link status */
  6546. bnx2x_cl45_read(bp, phy,
  6547. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6548. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6549. bnx2x_cl45_read(bp, phy,
  6550. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6551. bnx2x_cl45_read(bp, phy,
  6552. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6553. link_up = ((val1 & 4) == 4);
  6554. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6555. if (link_up &&
  6556. ((phy->req_line_speed != SPEED_10000))) {
  6557. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6558. return 0;
  6559. }
  6560. bnx2x_cl45_read(bp, phy,
  6561. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6562. bnx2x_cl45_read(bp, phy,
  6563. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6564. /* Check the link status on 1.1.2 */
  6565. bnx2x_cl45_read(bp, phy,
  6566. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6567. bnx2x_cl45_read(bp, phy,
  6568. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6569. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6570. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6571. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6572. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6573. /* The SNR will improve about 2dbby changing the BW and FEE main
  6574. * tap. The 1st write to change FFE main tap is set before
  6575. * restart AN. Change PLL Bandwidth in EDC register
  6576. */
  6577. bnx2x_cl45_write(bp, phy,
  6578. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6579. 0x26BC);
  6580. /* Change CDR Bandwidth in EDC register */
  6581. bnx2x_cl45_write(bp, phy,
  6582. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6583. 0x0333);
  6584. }
  6585. bnx2x_cl45_read(bp, phy,
  6586. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6587. &link_status);
  6588. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6589. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6590. link_up = 1;
  6591. vars->line_speed = SPEED_10000;
  6592. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6593. params->port);
  6594. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6595. link_up = 1;
  6596. vars->line_speed = SPEED_2500;
  6597. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6598. params->port);
  6599. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6600. link_up = 1;
  6601. vars->line_speed = SPEED_1000;
  6602. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6603. params->port);
  6604. } else {
  6605. link_up = 0;
  6606. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6607. params->port);
  6608. }
  6609. if (link_up) {
  6610. /* Swap polarity if required */
  6611. if (params->lane_config &
  6612. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6613. /* Configure the 8073 to swap P and N of the KR lines */
  6614. bnx2x_cl45_read(bp, phy,
  6615. MDIO_XS_DEVAD,
  6616. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6617. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6618. * when it`s in 10G mode.
  6619. */
  6620. if (vars->line_speed == SPEED_1000) {
  6621. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6622. "the 8073\n");
  6623. val1 |= (1<<3);
  6624. } else
  6625. val1 &= ~(1<<3);
  6626. bnx2x_cl45_write(bp, phy,
  6627. MDIO_XS_DEVAD,
  6628. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6629. val1);
  6630. }
  6631. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6632. bnx2x_8073_resolve_fc(phy, params, vars);
  6633. vars->duplex = DUPLEX_FULL;
  6634. }
  6635. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6636. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6637. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6638. if (val1 & (1<<5))
  6639. vars->link_status |=
  6640. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6641. if (val1 & (1<<7))
  6642. vars->link_status |=
  6643. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6644. }
  6645. return link_up;
  6646. }
  6647. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6648. struct link_params *params)
  6649. {
  6650. struct bnx2x *bp = params->bp;
  6651. u8 gpio_port;
  6652. if (CHIP_IS_E2(bp))
  6653. gpio_port = BP_PATH(bp);
  6654. else
  6655. gpio_port = params->port;
  6656. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6657. gpio_port);
  6658. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6659. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6660. gpio_port);
  6661. }
  6662. /******************************************************************/
  6663. /* BCM8705 PHY SECTION */
  6664. /******************************************************************/
  6665. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6666. struct link_params *params,
  6667. struct link_vars *vars)
  6668. {
  6669. struct bnx2x *bp = params->bp;
  6670. DP(NETIF_MSG_LINK, "init 8705\n");
  6671. /* Restore normal power mode*/
  6672. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6673. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6674. /* HW reset */
  6675. bnx2x_ext_phy_hw_reset(bp, params->port);
  6676. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6677. bnx2x_wait_reset_complete(bp, phy, params);
  6678. bnx2x_cl45_write(bp, phy,
  6679. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6680. bnx2x_cl45_write(bp, phy,
  6681. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6682. bnx2x_cl45_write(bp, phy,
  6683. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6684. bnx2x_cl45_write(bp, phy,
  6685. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6686. /* BCM8705 doesn't have microcode, hence the 0 */
  6687. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6688. return 0;
  6689. }
  6690. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6691. struct link_params *params,
  6692. struct link_vars *vars)
  6693. {
  6694. u8 link_up = 0;
  6695. u16 val1, rx_sd;
  6696. struct bnx2x *bp = params->bp;
  6697. DP(NETIF_MSG_LINK, "read status 8705\n");
  6698. bnx2x_cl45_read(bp, phy,
  6699. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6700. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6701. bnx2x_cl45_read(bp, phy,
  6702. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6703. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6704. bnx2x_cl45_read(bp, phy,
  6705. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6706. bnx2x_cl45_read(bp, phy,
  6707. MDIO_PMA_DEVAD, 0xc809, &val1);
  6708. bnx2x_cl45_read(bp, phy,
  6709. MDIO_PMA_DEVAD, 0xc809, &val1);
  6710. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6711. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6712. if (link_up) {
  6713. vars->line_speed = SPEED_10000;
  6714. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6715. }
  6716. return link_up;
  6717. }
  6718. /******************************************************************/
  6719. /* SFP+ module Section */
  6720. /******************************************************************/
  6721. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6722. struct bnx2x_phy *phy,
  6723. u8 pmd_dis)
  6724. {
  6725. struct bnx2x *bp = params->bp;
  6726. /* Disable transmitter only for bootcodes which can enable it afterwards
  6727. * (for D3 link)
  6728. */
  6729. if (pmd_dis) {
  6730. if (params->feature_config_flags &
  6731. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6732. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6733. else {
  6734. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6735. return;
  6736. }
  6737. } else
  6738. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6739. bnx2x_cl45_write(bp, phy,
  6740. MDIO_PMA_DEVAD,
  6741. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6742. }
  6743. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6744. {
  6745. u8 gpio_port;
  6746. u32 swap_val, swap_override;
  6747. struct bnx2x *bp = params->bp;
  6748. if (CHIP_IS_E2(bp))
  6749. gpio_port = BP_PATH(bp);
  6750. else
  6751. gpio_port = params->port;
  6752. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6753. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6754. return gpio_port ^ (swap_val && swap_override);
  6755. }
  6756. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6757. struct bnx2x_phy *phy,
  6758. u8 tx_en)
  6759. {
  6760. u16 val;
  6761. u8 port = params->port;
  6762. struct bnx2x *bp = params->bp;
  6763. u32 tx_en_mode;
  6764. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6765. tx_en_mode = REG_RD(bp, params->shmem_base +
  6766. offsetof(struct shmem_region,
  6767. dev_info.port_hw_config[port].sfp_ctrl)) &
  6768. PORT_HW_CFG_TX_LASER_MASK;
  6769. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6770. "mode = %x\n", tx_en, port, tx_en_mode);
  6771. switch (tx_en_mode) {
  6772. case PORT_HW_CFG_TX_LASER_MDIO:
  6773. bnx2x_cl45_read(bp, phy,
  6774. MDIO_PMA_DEVAD,
  6775. MDIO_PMA_REG_PHY_IDENTIFIER,
  6776. &val);
  6777. if (tx_en)
  6778. val &= ~(1<<15);
  6779. else
  6780. val |= (1<<15);
  6781. bnx2x_cl45_write(bp, phy,
  6782. MDIO_PMA_DEVAD,
  6783. MDIO_PMA_REG_PHY_IDENTIFIER,
  6784. val);
  6785. break;
  6786. case PORT_HW_CFG_TX_LASER_GPIO0:
  6787. case PORT_HW_CFG_TX_LASER_GPIO1:
  6788. case PORT_HW_CFG_TX_LASER_GPIO2:
  6789. case PORT_HW_CFG_TX_LASER_GPIO3:
  6790. {
  6791. u16 gpio_pin;
  6792. u8 gpio_port, gpio_mode;
  6793. if (tx_en)
  6794. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6795. else
  6796. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6797. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6798. gpio_port = bnx2x_get_gpio_port(params);
  6799. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6800. break;
  6801. }
  6802. default:
  6803. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6804. break;
  6805. }
  6806. }
  6807. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6808. struct bnx2x_phy *phy,
  6809. u8 tx_en)
  6810. {
  6811. struct bnx2x *bp = params->bp;
  6812. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6813. if (CHIP_IS_E3(bp))
  6814. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6815. else
  6816. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6817. }
  6818. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6819. struct link_params *params,
  6820. u16 addr, u8 byte_cnt, u8 *o_buf)
  6821. {
  6822. struct bnx2x *bp = params->bp;
  6823. u16 val = 0;
  6824. u16 i;
  6825. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6826. DP(NETIF_MSG_LINK,
  6827. "Reading from eeprom is limited to 0xf\n");
  6828. return -EINVAL;
  6829. }
  6830. /* Set the read command byte count */
  6831. bnx2x_cl45_write(bp, phy,
  6832. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6833. (byte_cnt | 0xa000));
  6834. /* Set the read command address */
  6835. bnx2x_cl45_write(bp, phy,
  6836. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6837. addr);
  6838. /* Activate read command */
  6839. bnx2x_cl45_write(bp, phy,
  6840. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6841. 0x2c0f);
  6842. /* Wait up to 500us for command complete status */
  6843. for (i = 0; i < 100; i++) {
  6844. bnx2x_cl45_read(bp, phy,
  6845. MDIO_PMA_DEVAD,
  6846. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6847. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6848. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6849. break;
  6850. udelay(5);
  6851. }
  6852. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6853. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6854. DP(NETIF_MSG_LINK,
  6855. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6856. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6857. return -EINVAL;
  6858. }
  6859. /* Read the buffer */
  6860. for (i = 0; i < byte_cnt; i++) {
  6861. bnx2x_cl45_read(bp, phy,
  6862. MDIO_PMA_DEVAD,
  6863. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6864. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6865. }
  6866. for (i = 0; i < 100; i++) {
  6867. bnx2x_cl45_read(bp, phy,
  6868. MDIO_PMA_DEVAD,
  6869. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6870. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6871. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6872. return 0;
  6873. usleep_range(1000, 2000);
  6874. }
  6875. return -EINVAL;
  6876. }
  6877. static void bnx2x_warpcore_power_module(struct link_params *params,
  6878. u8 power)
  6879. {
  6880. u32 pin_cfg;
  6881. struct bnx2x *bp = params->bp;
  6882. pin_cfg = (REG_RD(bp, params->shmem_base +
  6883. offsetof(struct shmem_region,
  6884. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6885. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6886. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6887. if (pin_cfg == PIN_CFG_NA)
  6888. return;
  6889. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6890. power, pin_cfg);
  6891. /* Low ==> corresponding SFP+ module is powered
  6892. * high ==> the SFP+ module is powered down
  6893. */
  6894. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6895. }
  6896. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6897. struct link_params *params,
  6898. u16 addr, u8 byte_cnt,
  6899. u8 *o_buf, u8 is_init)
  6900. {
  6901. int rc = 0;
  6902. u8 i, j = 0, cnt = 0;
  6903. u32 data_array[4];
  6904. u16 addr32;
  6905. struct bnx2x *bp = params->bp;
  6906. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6907. DP(NETIF_MSG_LINK,
  6908. "Reading from eeprom is limited to 16 bytes\n");
  6909. return -EINVAL;
  6910. }
  6911. /* 4 byte aligned address */
  6912. addr32 = addr & (~0x3);
  6913. do {
  6914. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6915. bnx2x_warpcore_power_module(params, 0);
  6916. /* Note that 100us are not enough here */
  6917. usleep_range(1000, 2000);
  6918. bnx2x_warpcore_power_module(params, 1);
  6919. }
  6920. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6921. data_array);
  6922. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6923. if (rc == 0) {
  6924. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6925. o_buf[j] = *((u8 *)data_array + i);
  6926. j++;
  6927. }
  6928. }
  6929. return rc;
  6930. }
  6931. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6932. struct link_params *params,
  6933. u16 addr, u8 byte_cnt, u8 *o_buf)
  6934. {
  6935. struct bnx2x *bp = params->bp;
  6936. u16 val, i;
  6937. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6938. DP(NETIF_MSG_LINK,
  6939. "Reading from eeprom is limited to 0xf\n");
  6940. return -EINVAL;
  6941. }
  6942. /* Need to read from 1.8000 to clear it */
  6943. bnx2x_cl45_read(bp, phy,
  6944. MDIO_PMA_DEVAD,
  6945. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6946. &val);
  6947. /* Set the read command byte count */
  6948. bnx2x_cl45_write(bp, phy,
  6949. MDIO_PMA_DEVAD,
  6950. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6951. ((byte_cnt < 2) ? 2 : byte_cnt));
  6952. /* Set the read command address */
  6953. bnx2x_cl45_write(bp, phy,
  6954. MDIO_PMA_DEVAD,
  6955. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6956. addr);
  6957. /* Set the destination address */
  6958. bnx2x_cl45_write(bp, phy,
  6959. MDIO_PMA_DEVAD,
  6960. 0x8004,
  6961. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6962. /* Activate read command */
  6963. bnx2x_cl45_write(bp, phy,
  6964. MDIO_PMA_DEVAD,
  6965. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6966. 0x8002);
  6967. /* Wait appropriate time for two-wire command to finish before
  6968. * polling the status register
  6969. */
  6970. usleep_range(1000, 2000);
  6971. /* Wait up to 500us for command complete status */
  6972. for (i = 0; i < 100; i++) {
  6973. bnx2x_cl45_read(bp, phy,
  6974. MDIO_PMA_DEVAD,
  6975. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6976. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6977. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6978. break;
  6979. udelay(5);
  6980. }
  6981. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6982. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6983. DP(NETIF_MSG_LINK,
  6984. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6985. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6986. return -EFAULT;
  6987. }
  6988. /* Read the buffer */
  6989. for (i = 0; i < byte_cnt; i++) {
  6990. bnx2x_cl45_read(bp, phy,
  6991. MDIO_PMA_DEVAD,
  6992. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6993. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6994. }
  6995. for (i = 0; i < 100; i++) {
  6996. bnx2x_cl45_read(bp, phy,
  6997. MDIO_PMA_DEVAD,
  6998. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6999. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  7000. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  7001. return 0;
  7002. usleep_range(1000, 2000);
  7003. }
  7004. return -EINVAL;
  7005. }
  7006. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  7007. struct link_params *params, u16 addr,
  7008. u8 byte_cnt, u8 *o_buf)
  7009. {
  7010. int rc = -EOPNOTSUPP;
  7011. switch (phy->type) {
  7012. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7013. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  7014. byte_cnt, o_buf);
  7015. break;
  7016. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7017. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7018. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  7019. byte_cnt, o_buf);
  7020. break;
  7021. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7022. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  7023. byte_cnt, o_buf, 0);
  7024. break;
  7025. }
  7026. return rc;
  7027. }
  7028. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7029. struct link_params *params,
  7030. u16 *edc_mode)
  7031. {
  7032. struct bnx2x *bp = params->bp;
  7033. u32 sync_offset = 0, phy_idx, media_types;
  7034. u8 gport, val[2], check_limiting_mode = 0;
  7035. *edc_mode = EDC_MODE_LIMITING;
  7036. phy->media_type = ETH_PHY_UNSPECIFIED;
  7037. /* First check for copper cable */
  7038. if (bnx2x_read_sfp_module_eeprom(phy,
  7039. params,
  7040. SFP_EEPROM_CON_TYPE_ADDR,
  7041. 2,
  7042. (u8 *)val) != 0) {
  7043. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7044. return -EINVAL;
  7045. }
  7046. switch (val[0]) {
  7047. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7048. {
  7049. u8 copper_module_type;
  7050. phy->media_type = ETH_PHY_DA_TWINAX;
  7051. /* Check if its active cable (includes SFP+ module)
  7052. * of passive cable
  7053. */
  7054. if (bnx2x_read_sfp_module_eeprom(phy,
  7055. params,
  7056. SFP_EEPROM_FC_TX_TECH_ADDR,
  7057. 1,
  7058. &copper_module_type) != 0) {
  7059. DP(NETIF_MSG_LINK,
  7060. "Failed to read copper-cable-type"
  7061. " from SFP+ EEPROM\n");
  7062. return -EINVAL;
  7063. }
  7064. if (copper_module_type &
  7065. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7066. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7067. check_limiting_mode = 1;
  7068. } else if (copper_module_type &
  7069. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7070. DP(NETIF_MSG_LINK,
  7071. "Passive Copper cable detected\n");
  7072. *edc_mode =
  7073. EDC_MODE_PASSIVE_DAC;
  7074. } else {
  7075. DP(NETIF_MSG_LINK,
  7076. "Unknown copper-cable-type 0x%x !!!\n",
  7077. copper_module_type);
  7078. return -EINVAL;
  7079. }
  7080. break;
  7081. }
  7082. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7083. check_limiting_mode = 1;
  7084. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7085. SFP_EEPROM_COMP_CODE_LR_MASK |
  7086. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7087. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7088. gport = params->port;
  7089. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7090. phy->req_line_speed = SPEED_1000;
  7091. if (!CHIP_IS_E1x(bp))
  7092. gport = BP_PATH(bp) + (params->port << 1);
  7093. netdev_err(bp->dev, "Warning: Link speed was forced to 1000Mbps."
  7094. " Current SFP module in port %d is not"
  7095. " compliant with 10G Ethernet\n",
  7096. gport);
  7097. } else {
  7098. int idx, cfg_idx = 0;
  7099. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7100. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7101. if (params->phy[idx].type == phy->type) {
  7102. cfg_idx = LINK_CONFIG_IDX(idx);
  7103. break;
  7104. }
  7105. }
  7106. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7107. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7108. }
  7109. break;
  7110. default:
  7111. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7112. val[0]);
  7113. return -EINVAL;
  7114. }
  7115. sync_offset = params->shmem_base +
  7116. offsetof(struct shmem_region,
  7117. dev_info.port_hw_config[params->port].media_type);
  7118. media_types = REG_RD(bp, sync_offset);
  7119. /* Update media type for non-PMF sync */
  7120. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7121. if (&(params->phy[phy_idx]) == phy) {
  7122. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7123. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7124. media_types |= ((phy->media_type &
  7125. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7126. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7127. break;
  7128. }
  7129. }
  7130. REG_WR(bp, sync_offset, media_types);
  7131. if (check_limiting_mode) {
  7132. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7133. if (bnx2x_read_sfp_module_eeprom(phy,
  7134. params,
  7135. SFP_EEPROM_OPTIONS_ADDR,
  7136. SFP_EEPROM_OPTIONS_SIZE,
  7137. options) != 0) {
  7138. DP(NETIF_MSG_LINK,
  7139. "Failed to read Option field from module EEPROM\n");
  7140. return -EINVAL;
  7141. }
  7142. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7143. *edc_mode = EDC_MODE_LINEAR;
  7144. else
  7145. *edc_mode = EDC_MODE_LIMITING;
  7146. }
  7147. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7148. return 0;
  7149. }
  7150. /* This function read the relevant field from the module (SFP+), and verify it
  7151. * is compliant with this board
  7152. */
  7153. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7154. struct link_params *params)
  7155. {
  7156. struct bnx2x *bp = params->bp;
  7157. u32 val, cmd;
  7158. u32 fw_resp, fw_cmd_param;
  7159. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7160. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7161. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7162. val = REG_RD(bp, params->shmem_base +
  7163. offsetof(struct shmem_region, dev_info.
  7164. port_feature_config[params->port].config));
  7165. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7166. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7167. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7168. return 0;
  7169. }
  7170. if (params->feature_config_flags &
  7171. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7172. /* Use specific phy request */
  7173. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7174. } else if (params->feature_config_flags &
  7175. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7176. /* Use first phy request only in case of non-dual media*/
  7177. if (DUAL_MEDIA(params)) {
  7178. DP(NETIF_MSG_LINK,
  7179. "FW does not support OPT MDL verification\n");
  7180. return -EINVAL;
  7181. }
  7182. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7183. } else {
  7184. /* No support in OPT MDL detection */
  7185. DP(NETIF_MSG_LINK,
  7186. "FW does not support OPT MDL verification\n");
  7187. return -EINVAL;
  7188. }
  7189. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7190. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7191. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7192. DP(NETIF_MSG_LINK, "Approved module\n");
  7193. return 0;
  7194. }
  7195. /* Format the warning message */
  7196. if (bnx2x_read_sfp_module_eeprom(phy,
  7197. params,
  7198. SFP_EEPROM_VENDOR_NAME_ADDR,
  7199. SFP_EEPROM_VENDOR_NAME_SIZE,
  7200. (u8 *)vendor_name))
  7201. vendor_name[0] = '\0';
  7202. else
  7203. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7204. if (bnx2x_read_sfp_module_eeprom(phy,
  7205. params,
  7206. SFP_EEPROM_PART_NO_ADDR,
  7207. SFP_EEPROM_PART_NO_SIZE,
  7208. (u8 *)vendor_pn))
  7209. vendor_pn[0] = '\0';
  7210. else
  7211. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7212. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7213. " Port %d from %s part number %s\n",
  7214. params->port, vendor_name, vendor_pn);
  7215. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7216. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7217. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7218. return -EINVAL;
  7219. }
  7220. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7221. struct link_params *params)
  7222. {
  7223. u8 val;
  7224. int rc;
  7225. struct bnx2x *bp = params->bp;
  7226. u16 timeout;
  7227. /* Initialization time after hot-plug may take up to 300ms for
  7228. * some phys type ( e.g. JDSU )
  7229. */
  7230. for (timeout = 0; timeout < 60; timeout++) {
  7231. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7232. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
  7233. params, 1,
  7234. 1, &val, 1);
  7235. else
  7236. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
  7237. &val);
  7238. if (rc == 0) {
  7239. DP(NETIF_MSG_LINK,
  7240. "SFP+ module initialization took %d ms\n",
  7241. timeout * 5);
  7242. return 0;
  7243. }
  7244. usleep_range(5000, 10000);
  7245. }
  7246. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
  7247. return rc;
  7248. }
  7249. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7250. struct bnx2x_phy *phy,
  7251. u8 is_power_up) {
  7252. /* Make sure GPIOs are not using for LED mode */
  7253. u16 val;
  7254. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7255. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7256. * output
  7257. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7258. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7259. * where the 1st bit is the over-current(only input), and 2nd bit is
  7260. * for power( only output )
  7261. *
  7262. * In case of NOC feature is disabled and power is up, set GPIO control
  7263. * as input to enable listening of over-current indication
  7264. */
  7265. if (phy->flags & FLAGS_NOC)
  7266. return;
  7267. if (is_power_up)
  7268. val = (1<<4);
  7269. else
  7270. /* Set GPIO control to OUTPUT, and set the power bit
  7271. * to according to the is_power_up
  7272. */
  7273. val = (1<<1);
  7274. bnx2x_cl45_write(bp, phy,
  7275. MDIO_PMA_DEVAD,
  7276. MDIO_PMA_REG_8727_GPIO_CTRL,
  7277. val);
  7278. }
  7279. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7280. struct bnx2x_phy *phy,
  7281. u16 edc_mode)
  7282. {
  7283. u16 cur_limiting_mode;
  7284. bnx2x_cl45_read(bp, phy,
  7285. MDIO_PMA_DEVAD,
  7286. MDIO_PMA_REG_ROM_VER2,
  7287. &cur_limiting_mode);
  7288. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7289. cur_limiting_mode);
  7290. if (edc_mode == EDC_MODE_LIMITING) {
  7291. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7292. bnx2x_cl45_write(bp, phy,
  7293. MDIO_PMA_DEVAD,
  7294. MDIO_PMA_REG_ROM_VER2,
  7295. EDC_MODE_LIMITING);
  7296. } else { /* LRM mode ( default )*/
  7297. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7298. /* Changing to LRM mode takes quite few seconds. So do it only
  7299. * if current mode is limiting (default is LRM)
  7300. */
  7301. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7302. return 0;
  7303. bnx2x_cl45_write(bp, phy,
  7304. MDIO_PMA_DEVAD,
  7305. MDIO_PMA_REG_LRM_MODE,
  7306. 0);
  7307. bnx2x_cl45_write(bp, phy,
  7308. MDIO_PMA_DEVAD,
  7309. MDIO_PMA_REG_ROM_VER2,
  7310. 0x128);
  7311. bnx2x_cl45_write(bp, phy,
  7312. MDIO_PMA_DEVAD,
  7313. MDIO_PMA_REG_MISC_CTRL0,
  7314. 0x4008);
  7315. bnx2x_cl45_write(bp, phy,
  7316. MDIO_PMA_DEVAD,
  7317. MDIO_PMA_REG_LRM_MODE,
  7318. 0xaaaa);
  7319. }
  7320. return 0;
  7321. }
  7322. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7323. struct bnx2x_phy *phy,
  7324. u16 edc_mode)
  7325. {
  7326. u16 phy_identifier;
  7327. u16 rom_ver2_val;
  7328. bnx2x_cl45_read(bp, phy,
  7329. MDIO_PMA_DEVAD,
  7330. MDIO_PMA_REG_PHY_IDENTIFIER,
  7331. &phy_identifier);
  7332. bnx2x_cl45_write(bp, phy,
  7333. MDIO_PMA_DEVAD,
  7334. MDIO_PMA_REG_PHY_IDENTIFIER,
  7335. (phy_identifier & ~(1<<9)));
  7336. bnx2x_cl45_read(bp, phy,
  7337. MDIO_PMA_DEVAD,
  7338. MDIO_PMA_REG_ROM_VER2,
  7339. &rom_ver2_val);
  7340. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7341. bnx2x_cl45_write(bp, phy,
  7342. MDIO_PMA_DEVAD,
  7343. MDIO_PMA_REG_ROM_VER2,
  7344. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7345. bnx2x_cl45_write(bp, phy,
  7346. MDIO_PMA_DEVAD,
  7347. MDIO_PMA_REG_PHY_IDENTIFIER,
  7348. (phy_identifier | (1<<9)));
  7349. return 0;
  7350. }
  7351. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7352. struct link_params *params,
  7353. u32 action)
  7354. {
  7355. struct bnx2x *bp = params->bp;
  7356. u16 val;
  7357. switch (action) {
  7358. case DISABLE_TX:
  7359. bnx2x_sfp_set_transmitter(params, phy, 0);
  7360. break;
  7361. case ENABLE_TX:
  7362. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7363. bnx2x_sfp_set_transmitter(params, phy, 1);
  7364. break;
  7365. case PHY_INIT:
  7366. bnx2x_cl45_write(bp, phy,
  7367. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7368. (1<<2) | (1<<5));
  7369. bnx2x_cl45_write(bp, phy,
  7370. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7371. 0);
  7372. bnx2x_cl45_write(bp, phy,
  7373. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7374. /* Make MOD_ABS give interrupt on change */
  7375. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7376. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7377. &val);
  7378. val |= (1<<12);
  7379. if (phy->flags & FLAGS_NOC)
  7380. val |= (3<<5);
  7381. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7382. * status which reflect SFP+ module over-current
  7383. */
  7384. if (!(phy->flags & FLAGS_NOC))
  7385. val &= 0xff8f; /* Reset bits 4-6 */
  7386. bnx2x_cl45_write(bp, phy,
  7387. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7388. val);
  7389. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7390. * to 100Khz since some DACs(direct attached cables) do
  7391. * not work at 400Khz.
  7392. */
  7393. bnx2x_cl45_write(bp, phy,
  7394. MDIO_PMA_DEVAD,
  7395. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7396. 0xa001);
  7397. break;
  7398. default:
  7399. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7400. action);
  7401. return;
  7402. }
  7403. }
  7404. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7405. u8 gpio_mode)
  7406. {
  7407. struct bnx2x *bp = params->bp;
  7408. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7409. offsetof(struct shmem_region,
  7410. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7411. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7412. switch (fault_led_gpio) {
  7413. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7414. return;
  7415. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7416. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7417. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7418. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7419. {
  7420. u8 gpio_port = bnx2x_get_gpio_port(params);
  7421. u16 gpio_pin = fault_led_gpio -
  7422. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7423. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7424. "pin %x port %x mode %x\n",
  7425. gpio_pin, gpio_port, gpio_mode);
  7426. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7427. }
  7428. break;
  7429. default:
  7430. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7431. fault_led_gpio);
  7432. }
  7433. }
  7434. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7435. u8 gpio_mode)
  7436. {
  7437. u32 pin_cfg;
  7438. u8 port = params->port;
  7439. struct bnx2x *bp = params->bp;
  7440. pin_cfg = (REG_RD(bp, params->shmem_base +
  7441. offsetof(struct shmem_region,
  7442. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7443. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7444. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7445. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7446. gpio_mode, pin_cfg);
  7447. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7448. }
  7449. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7450. u8 gpio_mode)
  7451. {
  7452. struct bnx2x *bp = params->bp;
  7453. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7454. if (CHIP_IS_E3(bp)) {
  7455. /* Low ==> if SFP+ module is supported otherwise
  7456. * High ==> if SFP+ module is not on the approved vendor list
  7457. */
  7458. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7459. } else
  7460. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7461. }
  7462. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7463. struct link_params *params)
  7464. {
  7465. struct bnx2x *bp = params->bp;
  7466. bnx2x_warpcore_power_module(params, 0);
  7467. /* Put Warpcore in low power mode */
  7468. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7469. /* Put LCPLL in low power mode */
  7470. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7471. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7472. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7473. }
  7474. static void bnx2x_power_sfp_module(struct link_params *params,
  7475. struct bnx2x_phy *phy,
  7476. u8 power)
  7477. {
  7478. struct bnx2x *bp = params->bp;
  7479. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7480. switch (phy->type) {
  7481. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7482. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7483. bnx2x_8727_power_module(params->bp, phy, power);
  7484. break;
  7485. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7486. bnx2x_warpcore_power_module(params, power);
  7487. break;
  7488. default:
  7489. break;
  7490. }
  7491. }
  7492. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7493. struct bnx2x_phy *phy,
  7494. u16 edc_mode)
  7495. {
  7496. u16 val = 0;
  7497. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7498. struct bnx2x *bp = params->bp;
  7499. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7500. /* This is a global register which controls all lanes */
  7501. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7502. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7503. val &= ~(0xf << (lane << 2));
  7504. switch (edc_mode) {
  7505. case EDC_MODE_LINEAR:
  7506. case EDC_MODE_LIMITING:
  7507. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7508. break;
  7509. case EDC_MODE_PASSIVE_DAC:
  7510. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7511. break;
  7512. default:
  7513. break;
  7514. }
  7515. val |= (mode << (lane << 2));
  7516. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7517. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7518. /* A must read */
  7519. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7520. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7521. /* Restart microcode to re-read the new mode */
  7522. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7523. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7524. }
  7525. static void bnx2x_set_limiting_mode(struct link_params *params,
  7526. struct bnx2x_phy *phy,
  7527. u16 edc_mode)
  7528. {
  7529. switch (phy->type) {
  7530. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7531. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7532. break;
  7533. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7534. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7535. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7536. break;
  7537. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7538. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7539. break;
  7540. }
  7541. }
  7542. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7543. struct link_params *params)
  7544. {
  7545. struct bnx2x *bp = params->bp;
  7546. u16 edc_mode;
  7547. int rc = 0;
  7548. u32 val = REG_RD(bp, params->shmem_base +
  7549. offsetof(struct shmem_region, dev_info.
  7550. port_feature_config[params->port].config));
  7551. /* Enabled transmitter by default */
  7552. bnx2x_sfp_set_transmitter(params, phy, 1);
  7553. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7554. params->port);
  7555. /* Power up module */
  7556. bnx2x_power_sfp_module(params, phy, 1);
  7557. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7558. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7559. return -EINVAL;
  7560. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7561. /* Check SFP+ module compatibility */
  7562. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7563. rc = -EINVAL;
  7564. /* Turn on fault module-detected led */
  7565. bnx2x_set_sfp_module_fault_led(params,
  7566. MISC_REGISTERS_GPIO_HIGH);
  7567. /* Check if need to power down the SFP+ module */
  7568. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7569. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7570. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7571. bnx2x_power_sfp_module(params, phy, 0);
  7572. return rc;
  7573. }
  7574. } else {
  7575. /* Turn off fault module-detected led */
  7576. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7577. }
  7578. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7579. * is done automatically
  7580. */
  7581. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7582. /* Disable transmit for this module if the module is not approved, and
  7583. * laser needs to be disabled.
  7584. */
  7585. if ((rc) &&
  7586. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7587. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7588. bnx2x_sfp_set_transmitter(params, phy, 0);
  7589. return rc;
  7590. }
  7591. void bnx2x_handle_module_detect_int(struct link_params *params)
  7592. {
  7593. struct bnx2x *bp = params->bp;
  7594. struct bnx2x_phy *phy;
  7595. u32 gpio_val;
  7596. u8 gpio_num, gpio_port;
  7597. if (CHIP_IS_E3(bp)) {
  7598. phy = &params->phy[INT_PHY];
  7599. /* Always enable TX laser,will be disabled in case of fault */
  7600. bnx2x_sfp_set_transmitter(params, phy, 1);
  7601. } else {
  7602. phy = &params->phy[EXT_PHY1];
  7603. }
  7604. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7605. params->port, &gpio_num, &gpio_port) ==
  7606. -EINVAL) {
  7607. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7608. return;
  7609. }
  7610. /* Set valid module led off */
  7611. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7612. /* Get current gpio val reflecting module plugged in / out*/
  7613. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7614. /* Call the handling function in case module is detected */
  7615. if (gpio_val == 0) {
  7616. bnx2x_set_mdio_emac_per_phy(bp, params);
  7617. bnx2x_set_aer_mmd(params, phy);
  7618. bnx2x_power_sfp_module(params, phy, 1);
  7619. bnx2x_set_gpio_int(bp, gpio_num,
  7620. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7621. gpio_port);
  7622. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7623. bnx2x_sfp_module_detection(phy, params);
  7624. if (CHIP_IS_E3(bp)) {
  7625. u16 rx_tx_in_reset;
  7626. /* In case WC is out of reset, reconfigure the
  7627. * link speed while taking into account 1G
  7628. * module limitation.
  7629. */
  7630. bnx2x_cl45_read(bp, phy,
  7631. MDIO_WC_DEVAD,
  7632. MDIO_WC_REG_DIGITAL5_MISC6,
  7633. &rx_tx_in_reset);
  7634. if ((!rx_tx_in_reset) &&
  7635. (params->link_flags &
  7636. PHY_INITIALIZED)) {
  7637. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7638. bnx2x_warpcore_config_sfi(phy, params);
  7639. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7640. }
  7641. }
  7642. } else {
  7643. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7644. }
  7645. } else {
  7646. bnx2x_set_gpio_int(bp, gpio_num,
  7647. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7648. gpio_port);
  7649. /* Module was plugged out.
  7650. * Disable transmit for this module
  7651. */
  7652. phy->media_type = ETH_PHY_NOT_PRESENT;
  7653. }
  7654. }
  7655. /******************************************************************/
  7656. /* Used by 8706 and 8727 */
  7657. /******************************************************************/
  7658. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7659. struct bnx2x_phy *phy,
  7660. u16 alarm_status_offset,
  7661. u16 alarm_ctrl_offset)
  7662. {
  7663. u16 alarm_status, val;
  7664. bnx2x_cl45_read(bp, phy,
  7665. MDIO_PMA_DEVAD, alarm_status_offset,
  7666. &alarm_status);
  7667. bnx2x_cl45_read(bp, phy,
  7668. MDIO_PMA_DEVAD, alarm_status_offset,
  7669. &alarm_status);
  7670. /* Mask or enable the fault event. */
  7671. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7672. if (alarm_status & (1<<0))
  7673. val &= ~(1<<0);
  7674. else
  7675. val |= (1<<0);
  7676. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7677. }
  7678. /******************************************************************/
  7679. /* common BCM8706/BCM8726 PHY SECTION */
  7680. /******************************************************************/
  7681. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7682. struct link_params *params,
  7683. struct link_vars *vars)
  7684. {
  7685. u8 link_up = 0;
  7686. u16 val1, val2, rx_sd, pcs_status;
  7687. struct bnx2x *bp = params->bp;
  7688. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7689. /* Clear RX Alarm*/
  7690. bnx2x_cl45_read(bp, phy,
  7691. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7692. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7693. MDIO_PMA_LASI_TXCTRL);
  7694. /* Clear LASI indication*/
  7695. bnx2x_cl45_read(bp, phy,
  7696. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7697. bnx2x_cl45_read(bp, phy,
  7698. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7699. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7700. bnx2x_cl45_read(bp, phy,
  7701. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7702. bnx2x_cl45_read(bp, phy,
  7703. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7704. bnx2x_cl45_read(bp, phy,
  7705. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7706. bnx2x_cl45_read(bp, phy,
  7707. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7708. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7709. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7710. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7711. * are set, or if the autoneg bit 1 is set
  7712. */
  7713. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7714. if (link_up) {
  7715. if (val2 & (1<<1))
  7716. vars->line_speed = SPEED_1000;
  7717. else
  7718. vars->line_speed = SPEED_10000;
  7719. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7720. vars->duplex = DUPLEX_FULL;
  7721. }
  7722. /* Capture 10G link fault. Read twice to clear stale value. */
  7723. if (vars->line_speed == SPEED_10000) {
  7724. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7725. MDIO_PMA_LASI_TXSTAT, &val1);
  7726. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7727. MDIO_PMA_LASI_TXSTAT, &val1);
  7728. if (val1 & (1<<0))
  7729. vars->fault_detected = 1;
  7730. }
  7731. return link_up;
  7732. }
  7733. /******************************************************************/
  7734. /* BCM8706 PHY SECTION */
  7735. /******************************************************************/
  7736. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7737. struct link_params *params,
  7738. struct link_vars *vars)
  7739. {
  7740. u32 tx_en_mode;
  7741. u16 cnt, val, tmp1;
  7742. struct bnx2x *bp = params->bp;
  7743. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7744. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7745. /* HW reset */
  7746. bnx2x_ext_phy_hw_reset(bp, params->port);
  7747. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7748. bnx2x_wait_reset_complete(bp, phy, params);
  7749. /* Wait until fw is loaded */
  7750. for (cnt = 0; cnt < 100; cnt++) {
  7751. bnx2x_cl45_read(bp, phy,
  7752. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7753. if (val)
  7754. break;
  7755. usleep_range(10000, 20000);
  7756. }
  7757. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7758. if ((params->feature_config_flags &
  7759. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7760. u8 i;
  7761. u16 reg;
  7762. for (i = 0; i < 4; i++) {
  7763. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7764. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7765. MDIO_XS_8706_REG_BANK_RX0);
  7766. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7767. /* Clear first 3 bits of the control */
  7768. val &= ~0x7;
  7769. /* Set control bits according to configuration */
  7770. val |= (phy->rx_preemphasis[i] & 0x7);
  7771. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7772. " reg 0x%x <-- val 0x%x\n", reg, val);
  7773. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7774. }
  7775. }
  7776. /* Force speed */
  7777. if (phy->req_line_speed == SPEED_10000) {
  7778. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7779. bnx2x_cl45_write(bp, phy,
  7780. MDIO_PMA_DEVAD,
  7781. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7782. bnx2x_cl45_write(bp, phy,
  7783. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7784. 0);
  7785. /* Arm LASI for link and Tx fault. */
  7786. bnx2x_cl45_write(bp, phy,
  7787. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7788. } else {
  7789. /* Force 1Gbps using autoneg with 1G advertisement */
  7790. /* Allow CL37 through CL73 */
  7791. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7792. bnx2x_cl45_write(bp, phy,
  7793. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7794. /* Enable Full-Duplex advertisement on CL37 */
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7797. /* Enable CL37 AN */
  7798. bnx2x_cl45_write(bp, phy,
  7799. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7800. /* 1G support */
  7801. bnx2x_cl45_write(bp, phy,
  7802. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7803. /* Enable clause 73 AN */
  7804. bnx2x_cl45_write(bp, phy,
  7805. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7806. bnx2x_cl45_write(bp, phy,
  7807. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7808. 0x0400);
  7809. bnx2x_cl45_write(bp, phy,
  7810. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7811. 0x0004);
  7812. }
  7813. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7814. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7815. * power mode, if TX Laser is disabled
  7816. */
  7817. tx_en_mode = REG_RD(bp, params->shmem_base +
  7818. offsetof(struct shmem_region,
  7819. dev_info.port_hw_config[params->port].sfp_ctrl))
  7820. & PORT_HW_CFG_TX_LASER_MASK;
  7821. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7822. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7823. bnx2x_cl45_read(bp, phy,
  7824. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7825. tmp1 |= 0x1;
  7826. bnx2x_cl45_write(bp, phy,
  7827. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7828. }
  7829. return 0;
  7830. }
  7831. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7832. struct link_params *params,
  7833. struct link_vars *vars)
  7834. {
  7835. return bnx2x_8706_8726_read_status(phy, params, vars);
  7836. }
  7837. /******************************************************************/
  7838. /* BCM8726 PHY SECTION */
  7839. /******************************************************************/
  7840. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7841. struct link_params *params)
  7842. {
  7843. struct bnx2x *bp = params->bp;
  7844. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7845. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7846. }
  7847. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7848. struct link_params *params)
  7849. {
  7850. struct bnx2x *bp = params->bp;
  7851. /* Need to wait 100ms after reset */
  7852. msleep(100);
  7853. /* Micro controller re-boot */
  7854. bnx2x_cl45_write(bp, phy,
  7855. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7856. /* Set soft reset */
  7857. bnx2x_cl45_write(bp, phy,
  7858. MDIO_PMA_DEVAD,
  7859. MDIO_PMA_REG_GEN_CTRL,
  7860. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7861. bnx2x_cl45_write(bp, phy,
  7862. MDIO_PMA_DEVAD,
  7863. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7864. bnx2x_cl45_write(bp, phy,
  7865. MDIO_PMA_DEVAD,
  7866. MDIO_PMA_REG_GEN_CTRL,
  7867. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7868. /* Wait for 150ms for microcode load */
  7869. msleep(150);
  7870. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7871. bnx2x_cl45_write(bp, phy,
  7872. MDIO_PMA_DEVAD,
  7873. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7874. msleep(200);
  7875. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7876. }
  7877. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7878. struct link_params *params,
  7879. struct link_vars *vars)
  7880. {
  7881. struct bnx2x *bp = params->bp;
  7882. u16 val1;
  7883. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7884. if (link_up) {
  7885. bnx2x_cl45_read(bp, phy,
  7886. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7887. &val1);
  7888. if (val1 & (1<<15)) {
  7889. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7890. link_up = 0;
  7891. vars->line_speed = 0;
  7892. }
  7893. }
  7894. return link_up;
  7895. }
  7896. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7897. struct link_params *params,
  7898. struct link_vars *vars)
  7899. {
  7900. struct bnx2x *bp = params->bp;
  7901. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7902. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7903. bnx2x_wait_reset_complete(bp, phy, params);
  7904. bnx2x_8726_external_rom_boot(phy, params);
  7905. /* Need to call module detected on initialization since the module
  7906. * detection triggered by actual module insertion might occur before
  7907. * driver is loaded, and when driver is loaded, it reset all
  7908. * registers, including the transmitter
  7909. */
  7910. bnx2x_sfp_module_detection(phy, params);
  7911. if (phy->req_line_speed == SPEED_1000) {
  7912. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7917. bnx2x_cl45_write(bp, phy,
  7918. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7919. bnx2x_cl45_write(bp, phy,
  7920. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7921. 0x400);
  7922. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7923. (phy->speed_cap_mask &
  7924. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7925. ((phy->speed_cap_mask &
  7926. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7927. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7928. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7929. /* Set Flow control */
  7930. bnx2x_ext_phy_set_pause(params, phy, vars);
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7933. bnx2x_cl45_write(bp, phy,
  7934. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7935. bnx2x_cl45_write(bp, phy,
  7936. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7937. bnx2x_cl45_write(bp, phy,
  7938. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7939. bnx2x_cl45_write(bp, phy,
  7940. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7941. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7942. * change
  7943. */
  7944. bnx2x_cl45_write(bp, phy,
  7945. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7946. bnx2x_cl45_write(bp, phy,
  7947. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7948. 0x400);
  7949. } else { /* Default 10G. Set only LASI control */
  7950. bnx2x_cl45_write(bp, phy,
  7951. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7952. }
  7953. /* Set TX PreEmphasis if needed */
  7954. if ((params->feature_config_flags &
  7955. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7956. DP(NETIF_MSG_LINK,
  7957. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7958. phy->tx_preemphasis[0],
  7959. phy->tx_preemphasis[1]);
  7960. bnx2x_cl45_write(bp, phy,
  7961. MDIO_PMA_DEVAD,
  7962. MDIO_PMA_REG_8726_TX_CTRL1,
  7963. phy->tx_preemphasis[0]);
  7964. bnx2x_cl45_write(bp, phy,
  7965. MDIO_PMA_DEVAD,
  7966. MDIO_PMA_REG_8726_TX_CTRL2,
  7967. phy->tx_preemphasis[1]);
  7968. }
  7969. return 0;
  7970. }
  7971. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7972. struct link_params *params)
  7973. {
  7974. struct bnx2x *bp = params->bp;
  7975. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7976. /* Set serial boot control for external load */
  7977. bnx2x_cl45_write(bp, phy,
  7978. MDIO_PMA_DEVAD,
  7979. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7980. }
  7981. /******************************************************************/
  7982. /* BCM8727 PHY SECTION */
  7983. /******************************************************************/
  7984. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7985. struct link_params *params, u8 mode)
  7986. {
  7987. struct bnx2x *bp = params->bp;
  7988. u16 led_mode_bitmask = 0;
  7989. u16 gpio_pins_bitmask = 0;
  7990. u16 val;
  7991. /* Only NOC flavor requires to set the LED specifically */
  7992. if (!(phy->flags & FLAGS_NOC))
  7993. return;
  7994. switch (mode) {
  7995. case LED_MODE_FRONT_PANEL_OFF:
  7996. case LED_MODE_OFF:
  7997. led_mode_bitmask = 0;
  7998. gpio_pins_bitmask = 0x03;
  7999. break;
  8000. case LED_MODE_ON:
  8001. led_mode_bitmask = 0;
  8002. gpio_pins_bitmask = 0x02;
  8003. break;
  8004. case LED_MODE_OPER:
  8005. led_mode_bitmask = 0x60;
  8006. gpio_pins_bitmask = 0x11;
  8007. break;
  8008. }
  8009. bnx2x_cl45_read(bp, phy,
  8010. MDIO_PMA_DEVAD,
  8011. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8012. &val);
  8013. val &= 0xff8f;
  8014. val |= led_mode_bitmask;
  8015. bnx2x_cl45_write(bp, phy,
  8016. MDIO_PMA_DEVAD,
  8017. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8018. val);
  8019. bnx2x_cl45_read(bp, phy,
  8020. MDIO_PMA_DEVAD,
  8021. MDIO_PMA_REG_8727_GPIO_CTRL,
  8022. &val);
  8023. val &= 0xffe0;
  8024. val |= gpio_pins_bitmask;
  8025. bnx2x_cl45_write(bp, phy,
  8026. MDIO_PMA_DEVAD,
  8027. MDIO_PMA_REG_8727_GPIO_CTRL,
  8028. val);
  8029. }
  8030. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8031. struct link_params *params) {
  8032. u32 swap_val, swap_override;
  8033. u8 port;
  8034. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8035. * to cancel the swap done in set_gpio()
  8036. */
  8037. struct bnx2x *bp = params->bp;
  8038. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8039. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8040. port = (swap_val && swap_override) ^ 1;
  8041. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8042. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8043. }
  8044. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8045. struct link_params *params)
  8046. {
  8047. struct bnx2x *bp = params->bp;
  8048. u16 tmp1, val;
  8049. /* Set option 1G speed */
  8050. if ((phy->req_line_speed == SPEED_1000) ||
  8051. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8052. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8053. bnx2x_cl45_write(bp, phy,
  8054. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8055. bnx2x_cl45_write(bp, phy,
  8056. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8057. bnx2x_cl45_read(bp, phy,
  8058. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8059. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8060. /* Power down the XAUI until link is up in case of dual-media
  8061. * and 1G
  8062. */
  8063. if (DUAL_MEDIA(params)) {
  8064. bnx2x_cl45_read(bp, phy,
  8065. MDIO_PMA_DEVAD,
  8066. MDIO_PMA_REG_8727_PCS_GP, &val);
  8067. val |= (3<<10);
  8068. bnx2x_cl45_write(bp, phy,
  8069. MDIO_PMA_DEVAD,
  8070. MDIO_PMA_REG_8727_PCS_GP, val);
  8071. }
  8072. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8073. ((phy->speed_cap_mask &
  8074. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8075. ((phy->speed_cap_mask &
  8076. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8077. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8078. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8079. bnx2x_cl45_write(bp, phy,
  8080. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8081. bnx2x_cl45_write(bp, phy,
  8082. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8083. } else {
  8084. /* Since the 8727 has only single reset pin, need to set the 10G
  8085. * registers although it is default
  8086. */
  8087. bnx2x_cl45_write(bp, phy,
  8088. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8089. 0x0020);
  8090. bnx2x_cl45_write(bp, phy,
  8091. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8092. bnx2x_cl45_write(bp, phy,
  8093. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8094. bnx2x_cl45_write(bp, phy,
  8095. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8096. 0x0008);
  8097. }
  8098. }
  8099. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8100. struct link_params *params,
  8101. struct link_vars *vars)
  8102. {
  8103. u32 tx_en_mode;
  8104. u16 tmp1, mod_abs, tmp2;
  8105. struct bnx2x *bp = params->bp;
  8106. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8107. bnx2x_wait_reset_complete(bp, phy, params);
  8108. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8109. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8110. /* Initially configure MOD_ABS to interrupt when module is
  8111. * presence( bit 8)
  8112. */
  8113. bnx2x_cl45_read(bp, phy,
  8114. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8115. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8116. * When the EDC is off it locks onto a reference clock and avoids
  8117. * becoming 'lost'
  8118. */
  8119. mod_abs &= ~(1<<8);
  8120. if (!(phy->flags & FLAGS_NOC))
  8121. mod_abs &= ~(1<<9);
  8122. bnx2x_cl45_write(bp, phy,
  8123. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8124. /* Enable/Disable PHY transmitter output */
  8125. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8126. bnx2x_8727_power_module(bp, phy, 1);
  8127. bnx2x_cl45_read(bp, phy,
  8128. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8129. bnx2x_cl45_read(bp, phy,
  8130. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8131. bnx2x_8727_config_speed(phy, params);
  8132. /* Set TX PreEmphasis if needed */
  8133. if ((params->feature_config_flags &
  8134. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8135. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8136. phy->tx_preemphasis[0],
  8137. phy->tx_preemphasis[1]);
  8138. bnx2x_cl45_write(bp, phy,
  8139. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8140. phy->tx_preemphasis[0]);
  8141. bnx2x_cl45_write(bp, phy,
  8142. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8143. phy->tx_preemphasis[1]);
  8144. }
  8145. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8146. * power mode, if TX Laser is disabled
  8147. */
  8148. tx_en_mode = REG_RD(bp, params->shmem_base +
  8149. offsetof(struct shmem_region,
  8150. dev_info.port_hw_config[params->port].sfp_ctrl))
  8151. & PORT_HW_CFG_TX_LASER_MASK;
  8152. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8153. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8154. bnx2x_cl45_read(bp, phy,
  8155. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8156. tmp2 |= 0x1000;
  8157. tmp2 &= 0xFFEF;
  8158. bnx2x_cl45_write(bp, phy,
  8159. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8160. bnx2x_cl45_read(bp, phy,
  8161. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8162. &tmp2);
  8163. bnx2x_cl45_write(bp, phy,
  8164. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8165. (tmp2 & 0x7fff));
  8166. }
  8167. return 0;
  8168. }
  8169. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8170. struct link_params *params)
  8171. {
  8172. struct bnx2x *bp = params->bp;
  8173. u16 mod_abs, rx_alarm_status;
  8174. u32 val = REG_RD(bp, params->shmem_base +
  8175. offsetof(struct shmem_region, dev_info.
  8176. port_feature_config[params->port].
  8177. config));
  8178. bnx2x_cl45_read(bp, phy,
  8179. MDIO_PMA_DEVAD,
  8180. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8181. if (mod_abs & (1<<8)) {
  8182. /* Module is absent */
  8183. DP(NETIF_MSG_LINK,
  8184. "MOD_ABS indication show module is absent\n");
  8185. phy->media_type = ETH_PHY_NOT_PRESENT;
  8186. /* 1. Set mod_abs to detect next module
  8187. * presence event
  8188. * 2. Set EDC off by setting OPTXLOS signal input to low
  8189. * (bit 9).
  8190. * When the EDC is off it locks onto a reference clock and
  8191. * avoids becoming 'lost'.
  8192. */
  8193. mod_abs &= ~(1<<8);
  8194. if (!(phy->flags & FLAGS_NOC))
  8195. mod_abs &= ~(1<<9);
  8196. bnx2x_cl45_write(bp, phy,
  8197. MDIO_PMA_DEVAD,
  8198. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8199. /* Clear RX alarm since it stays up as long as
  8200. * the mod_abs wasn't changed
  8201. */
  8202. bnx2x_cl45_read(bp, phy,
  8203. MDIO_PMA_DEVAD,
  8204. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8205. } else {
  8206. /* Module is present */
  8207. DP(NETIF_MSG_LINK,
  8208. "MOD_ABS indication show module is present\n");
  8209. /* First disable transmitter, and if the module is ok, the
  8210. * module_detection will enable it
  8211. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8212. * 2. Restore the default polarity of the OPRXLOS signal and
  8213. * this signal will then correctly indicate the presence or
  8214. * absence of the Rx signal. (bit 9)
  8215. */
  8216. mod_abs |= (1<<8);
  8217. if (!(phy->flags & FLAGS_NOC))
  8218. mod_abs |= (1<<9);
  8219. bnx2x_cl45_write(bp, phy,
  8220. MDIO_PMA_DEVAD,
  8221. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8222. /* Clear RX alarm since it stays up as long as the mod_abs
  8223. * wasn't changed. This is need to be done before calling the
  8224. * module detection, otherwise it will clear* the link update
  8225. * alarm
  8226. */
  8227. bnx2x_cl45_read(bp, phy,
  8228. MDIO_PMA_DEVAD,
  8229. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8230. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8231. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8232. bnx2x_sfp_set_transmitter(params, phy, 0);
  8233. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8234. bnx2x_sfp_module_detection(phy, params);
  8235. else
  8236. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8237. /* Reconfigure link speed based on module type limitations */
  8238. bnx2x_8727_config_speed(phy, params);
  8239. }
  8240. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8241. rx_alarm_status);
  8242. /* No need to check link status in case of module plugged in/out */
  8243. }
  8244. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8245. struct link_params *params,
  8246. struct link_vars *vars)
  8247. {
  8248. struct bnx2x *bp = params->bp;
  8249. u8 link_up = 0, oc_port = params->port;
  8250. u16 link_status = 0;
  8251. u16 rx_alarm_status, lasi_ctrl, val1;
  8252. /* If PHY is not initialized, do not check link status */
  8253. bnx2x_cl45_read(bp, phy,
  8254. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8255. &lasi_ctrl);
  8256. if (!lasi_ctrl)
  8257. return 0;
  8258. /* Check the LASI on Rx */
  8259. bnx2x_cl45_read(bp, phy,
  8260. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8261. &rx_alarm_status);
  8262. vars->line_speed = 0;
  8263. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8264. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8265. MDIO_PMA_LASI_TXCTRL);
  8266. bnx2x_cl45_read(bp, phy,
  8267. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8268. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8269. /* Clear MSG-OUT */
  8270. bnx2x_cl45_read(bp, phy,
  8271. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8272. /* If a module is present and there is need to check
  8273. * for over current
  8274. */
  8275. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8276. /* Check over-current using 8727 GPIO0 input*/
  8277. bnx2x_cl45_read(bp, phy,
  8278. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8279. &val1);
  8280. if ((val1 & (1<<8)) == 0) {
  8281. if (!CHIP_IS_E1x(bp))
  8282. oc_port = BP_PATH(bp) + (params->port << 1);
  8283. DP(NETIF_MSG_LINK,
  8284. "8727 Power fault has been detected on port %d\n",
  8285. oc_port);
  8286. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8287. "been detected and the power to "
  8288. "that SFP+ module has been removed "
  8289. "to prevent failure of the card. "
  8290. "Please remove the SFP+ module and "
  8291. "restart the system to clear this "
  8292. "error.\n",
  8293. oc_port);
  8294. /* Disable all RX_ALARMs except for mod_abs */
  8295. bnx2x_cl45_write(bp, phy,
  8296. MDIO_PMA_DEVAD,
  8297. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8298. bnx2x_cl45_read(bp, phy,
  8299. MDIO_PMA_DEVAD,
  8300. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8301. /* Wait for module_absent_event */
  8302. val1 |= (1<<8);
  8303. bnx2x_cl45_write(bp, phy,
  8304. MDIO_PMA_DEVAD,
  8305. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8306. /* Clear RX alarm */
  8307. bnx2x_cl45_read(bp, phy,
  8308. MDIO_PMA_DEVAD,
  8309. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8310. bnx2x_8727_power_module(params->bp, phy, 0);
  8311. return 0;
  8312. }
  8313. } /* Over current check */
  8314. /* When module absent bit is set, check module */
  8315. if (rx_alarm_status & (1<<5)) {
  8316. bnx2x_8727_handle_mod_abs(phy, params);
  8317. /* Enable all mod_abs and link detection bits */
  8318. bnx2x_cl45_write(bp, phy,
  8319. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8320. ((1<<5) | (1<<2)));
  8321. }
  8322. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8323. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8324. bnx2x_sfp_set_transmitter(params, phy, 1);
  8325. } else {
  8326. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8327. return 0;
  8328. }
  8329. bnx2x_cl45_read(bp, phy,
  8330. MDIO_PMA_DEVAD,
  8331. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8332. /* Bits 0..2 --> speed detected,
  8333. * Bits 13..15--> link is down
  8334. */
  8335. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8336. link_up = 1;
  8337. vars->line_speed = SPEED_10000;
  8338. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8339. params->port);
  8340. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8341. link_up = 1;
  8342. vars->line_speed = SPEED_1000;
  8343. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8344. params->port);
  8345. } else {
  8346. link_up = 0;
  8347. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8348. params->port);
  8349. }
  8350. /* Capture 10G link fault. */
  8351. if (vars->line_speed == SPEED_10000) {
  8352. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8353. MDIO_PMA_LASI_TXSTAT, &val1);
  8354. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8355. MDIO_PMA_LASI_TXSTAT, &val1);
  8356. if (val1 & (1<<0)) {
  8357. vars->fault_detected = 1;
  8358. }
  8359. }
  8360. if (link_up) {
  8361. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8362. vars->duplex = DUPLEX_FULL;
  8363. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8364. }
  8365. if ((DUAL_MEDIA(params)) &&
  8366. (phy->req_line_speed == SPEED_1000)) {
  8367. bnx2x_cl45_read(bp, phy,
  8368. MDIO_PMA_DEVAD,
  8369. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8370. /* In case of dual-media board and 1G, power up the XAUI side,
  8371. * otherwise power it down. For 10G it is done automatically
  8372. */
  8373. if (link_up)
  8374. val1 &= ~(3<<10);
  8375. else
  8376. val1 |= (3<<10);
  8377. bnx2x_cl45_write(bp, phy,
  8378. MDIO_PMA_DEVAD,
  8379. MDIO_PMA_REG_8727_PCS_GP, val1);
  8380. }
  8381. return link_up;
  8382. }
  8383. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8384. struct link_params *params)
  8385. {
  8386. struct bnx2x *bp = params->bp;
  8387. /* Enable/Disable PHY transmitter output */
  8388. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8389. /* Disable Transmitter */
  8390. bnx2x_sfp_set_transmitter(params, phy, 0);
  8391. /* Clear LASI */
  8392. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8393. }
  8394. /******************************************************************/
  8395. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8396. /******************************************************************/
  8397. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8398. struct bnx2x *bp,
  8399. u8 port)
  8400. {
  8401. u16 val, fw_ver2, cnt, i;
  8402. static struct bnx2x_reg_set reg_set[] = {
  8403. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8404. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8405. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8406. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8407. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8408. };
  8409. u16 fw_ver1;
  8410. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8411. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8412. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8413. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8414. phy->ver_addr);
  8415. } else {
  8416. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8417. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8418. for (i = 0; i < ARRAY_SIZE(reg_set);
  8419. i++)
  8420. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8421. reg_set[i].reg, reg_set[i].val);
  8422. for (cnt = 0; cnt < 100; cnt++) {
  8423. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8424. if (val & 1)
  8425. break;
  8426. udelay(5);
  8427. }
  8428. if (cnt == 100) {
  8429. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8430. "phy fw version(1)\n");
  8431. bnx2x_save_spirom_version(bp, port, 0,
  8432. phy->ver_addr);
  8433. return;
  8434. }
  8435. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8436. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8437. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8438. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8439. for (cnt = 0; cnt < 100; cnt++) {
  8440. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8441. if (val & 1)
  8442. break;
  8443. udelay(5);
  8444. }
  8445. if (cnt == 100) {
  8446. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8447. "version(2)\n");
  8448. bnx2x_save_spirom_version(bp, port, 0,
  8449. phy->ver_addr);
  8450. return;
  8451. }
  8452. /* lower 16 bits of the register SPI_FW_STATUS */
  8453. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8454. /* upper 16 bits of register SPI_FW_STATUS */
  8455. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8456. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8457. phy->ver_addr);
  8458. }
  8459. }
  8460. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8461. struct bnx2x_phy *phy)
  8462. {
  8463. u16 val, offset, i;
  8464. static struct bnx2x_reg_set reg_set[] = {
  8465. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8466. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8467. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8468. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8469. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8470. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8471. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8472. };
  8473. /* PHYC_CTL_LED_CTL */
  8474. bnx2x_cl45_read(bp, phy,
  8475. MDIO_PMA_DEVAD,
  8476. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8477. val &= 0xFE00;
  8478. val |= 0x0092;
  8479. bnx2x_cl45_write(bp, phy,
  8480. MDIO_PMA_DEVAD,
  8481. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8482. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  8483. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8484. reg_set[i].val);
  8485. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8486. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8487. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8488. else
  8489. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8490. /* stretch_en for LED3*/
  8491. bnx2x_cl45_read_or_write(bp, phy,
  8492. MDIO_PMA_DEVAD, offset,
  8493. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8494. }
  8495. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8496. struct link_params *params,
  8497. u32 action)
  8498. {
  8499. struct bnx2x *bp = params->bp;
  8500. switch (action) {
  8501. case PHY_INIT:
  8502. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8503. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8504. /* Save spirom version */
  8505. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8506. }
  8507. /* This phy uses the NIG latch mechanism since link indication
  8508. * arrives through its LED4 and not via its LASI signal, so we
  8509. * get steady signal instead of clear on read
  8510. */
  8511. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8512. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8513. bnx2x_848xx_set_led(bp, phy);
  8514. break;
  8515. }
  8516. }
  8517. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8518. struct link_params *params,
  8519. struct link_vars *vars)
  8520. {
  8521. struct bnx2x *bp = params->bp;
  8522. u16 autoneg_val, an_1000_val, an_10_100_val;
  8523. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8524. bnx2x_cl45_write(bp, phy,
  8525. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8526. /* set 1000 speed advertisement */
  8527. bnx2x_cl45_read(bp, phy,
  8528. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8529. &an_1000_val);
  8530. bnx2x_ext_phy_set_pause(params, phy, vars);
  8531. bnx2x_cl45_read(bp, phy,
  8532. MDIO_AN_DEVAD,
  8533. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8534. &an_10_100_val);
  8535. bnx2x_cl45_read(bp, phy,
  8536. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8537. &autoneg_val);
  8538. /* Disable forced speed */
  8539. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8540. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8541. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8542. (phy->speed_cap_mask &
  8543. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8544. (phy->req_line_speed == SPEED_1000)) {
  8545. an_1000_val |= (1<<8);
  8546. autoneg_val |= (1<<9 | 1<<12);
  8547. if (phy->req_duplex == DUPLEX_FULL)
  8548. an_1000_val |= (1<<9);
  8549. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8550. } else
  8551. an_1000_val &= ~((1<<8) | (1<<9));
  8552. bnx2x_cl45_write(bp, phy,
  8553. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8554. an_1000_val);
  8555. /* set 100 speed advertisement */
  8556. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8557. (phy->speed_cap_mask &
  8558. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8559. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8560. an_10_100_val |= (1<<7);
  8561. /* Enable autoneg and restart autoneg for legacy speeds */
  8562. autoneg_val |= (1<<9 | 1<<12);
  8563. if (phy->req_duplex == DUPLEX_FULL)
  8564. an_10_100_val |= (1<<8);
  8565. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8566. }
  8567. /* set 10 speed advertisement */
  8568. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8569. (phy->speed_cap_mask &
  8570. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8571. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8572. (phy->supported &
  8573. (SUPPORTED_10baseT_Half |
  8574. SUPPORTED_10baseT_Full)))) {
  8575. an_10_100_val |= (1<<5);
  8576. autoneg_val |= (1<<9 | 1<<12);
  8577. if (phy->req_duplex == DUPLEX_FULL)
  8578. an_10_100_val |= (1<<6);
  8579. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8580. }
  8581. /* Only 10/100 are allowed to work in FORCE mode */
  8582. if ((phy->req_line_speed == SPEED_100) &&
  8583. (phy->supported &
  8584. (SUPPORTED_100baseT_Half |
  8585. SUPPORTED_100baseT_Full))) {
  8586. autoneg_val |= (1<<13);
  8587. /* Enabled AUTO-MDIX when autoneg is disabled */
  8588. bnx2x_cl45_write(bp, phy,
  8589. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8590. (1<<15 | 1<<9 | 7<<0));
  8591. /* The PHY needs this set even for forced link. */
  8592. an_10_100_val |= (1<<8) | (1<<7);
  8593. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8594. }
  8595. if ((phy->req_line_speed == SPEED_10) &&
  8596. (phy->supported &
  8597. (SUPPORTED_10baseT_Half |
  8598. SUPPORTED_10baseT_Full))) {
  8599. /* Enabled AUTO-MDIX when autoneg is disabled */
  8600. bnx2x_cl45_write(bp, phy,
  8601. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8602. (1<<15 | 1<<9 | 7<<0));
  8603. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8604. }
  8605. bnx2x_cl45_write(bp, phy,
  8606. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8607. an_10_100_val);
  8608. if (phy->req_duplex == DUPLEX_FULL)
  8609. autoneg_val |= (1<<8);
  8610. /* Always write this if this is not 84833/4.
  8611. * For 84833/4, write it only when it's a forced speed.
  8612. */
  8613. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8614. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8615. ((autoneg_val & (1<<12)) == 0))
  8616. bnx2x_cl45_write(bp, phy,
  8617. MDIO_AN_DEVAD,
  8618. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8619. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8620. (phy->speed_cap_mask &
  8621. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8622. (phy->req_line_speed == SPEED_10000)) {
  8623. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8624. /* Restart autoneg for 10G*/
  8625. bnx2x_cl45_read_or_write(
  8626. bp, phy,
  8627. MDIO_AN_DEVAD,
  8628. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8629. 0x1000);
  8630. bnx2x_cl45_write(bp, phy,
  8631. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8632. 0x3200);
  8633. } else
  8634. bnx2x_cl45_write(bp, phy,
  8635. MDIO_AN_DEVAD,
  8636. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8637. 1);
  8638. return 0;
  8639. }
  8640. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8641. struct link_params *params,
  8642. struct link_vars *vars)
  8643. {
  8644. struct bnx2x *bp = params->bp;
  8645. /* Restore normal power mode*/
  8646. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8647. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8648. /* HW reset */
  8649. bnx2x_ext_phy_hw_reset(bp, params->port);
  8650. bnx2x_wait_reset_complete(bp, phy, params);
  8651. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8652. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8653. }
  8654. #define PHY84833_CMDHDLR_WAIT 300
  8655. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8656. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8657. struct link_params *params, u16 fw_cmd,
  8658. u16 cmd_args[], int argc)
  8659. {
  8660. int idx;
  8661. u16 val;
  8662. struct bnx2x *bp = params->bp;
  8663. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8664. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8665. MDIO_84833_CMD_HDLR_STATUS,
  8666. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8667. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8668. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8669. MDIO_84833_CMD_HDLR_STATUS, &val);
  8670. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8671. break;
  8672. usleep_range(1000, 2000);
  8673. }
  8674. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8675. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8676. return -EINVAL;
  8677. }
  8678. /* Prepare argument(s) and issue command */
  8679. for (idx = 0; idx < argc; idx++) {
  8680. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8681. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8682. cmd_args[idx]);
  8683. }
  8684. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8685. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8686. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8687. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8688. MDIO_84833_CMD_HDLR_STATUS, &val);
  8689. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8690. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8691. break;
  8692. usleep_range(1000, 2000);
  8693. }
  8694. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8695. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8696. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8697. return -EINVAL;
  8698. }
  8699. /* Gather returning data */
  8700. for (idx = 0; idx < argc; idx++) {
  8701. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8702. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8703. &cmd_args[idx]);
  8704. }
  8705. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8706. MDIO_84833_CMD_HDLR_STATUS,
  8707. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8708. return 0;
  8709. }
  8710. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8711. struct link_params *params,
  8712. struct link_vars *vars)
  8713. {
  8714. u32 pair_swap;
  8715. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8716. int status;
  8717. struct bnx2x *bp = params->bp;
  8718. /* Check for configuration. */
  8719. pair_swap = REG_RD(bp, params->shmem_base +
  8720. offsetof(struct shmem_region,
  8721. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8722. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8723. if (pair_swap == 0)
  8724. return 0;
  8725. /* Only the second argument is used for this command */
  8726. data[1] = (u16)pair_swap;
  8727. status = bnx2x_84833_cmd_hdlr(phy, params,
  8728. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8729. if (status == 0)
  8730. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8731. return status;
  8732. }
  8733. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8734. u32 shmem_base_path[],
  8735. u32 chip_id)
  8736. {
  8737. u32 reset_pin[2];
  8738. u32 idx;
  8739. u8 reset_gpios;
  8740. if (CHIP_IS_E3(bp)) {
  8741. /* Assume that these will be GPIOs, not EPIOs. */
  8742. for (idx = 0; idx < 2; idx++) {
  8743. /* Map config param to register bit. */
  8744. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8745. offsetof(struct shmem_region,
  8746. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8747. reset_pin[idx] = (reset_pin[idx] &
  8748. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8749. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8750. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8751. reset_pin[idx] = (1 << reset_pin[idx]);
  8752. }
  8753. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8754. } else {
  8755. /* E2, look from diff place of shmem. */
  8756. for (idx = 0; idx < 2; idx++) {
  8757. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8758. offsetof(struct shmem_region,
  8759. dev_info.port_hw_config[0].default_cfg));
  8760. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8761. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8762. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8763. reset_pin[idx] = (1 << reset_pin[idx]);
  8764. }
  8765. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8766. }
  8767. return reset_gpios;
  8768. }
  8769. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8770. struct link_params *params)
  8771. {
  8772. struct bnx2x *bp = params->bp;
  8773. u8 reset_gpios;
  8774. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8775. offsetof(struct shmem2_region,
  8776. other_shmem_base_addr));
  8777. u32 shmem_base_path[2];
  8778. /* Work around for 84833 LED failure inside RESET status */
  8779. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8780. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8781. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8782. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8783. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8784. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8785. shmem_base_path[0] = params->shmem_base;
  8786. shmem_base_path[1] = other_shmem_base_addr;
  8787. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8788. params->chip_id);
  8789. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8790. udelay(10);
  8791. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8792. reset_gpios);
  8793. return 0;
  8794. }
  8795. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8796. struct link_params *params,
  8797. struct link_vars *vars)
  8798. {
  8799. int rc;
  8800. struct bnx2x *bp = params->bp;
  8801. u16 cmd_args = 0;
  8802. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8803. /* Prevent Phy from working in EEE and advertising it */
  8804. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8805. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8806. if (rc) {
  8807. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8808. return rc;
  8809. }
  8810. return bnx2x_eee_disable(phy, params, vars);
  8811. }
  8812. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8813. struct link_params *params,
  8814. struct link_vars *vars)
  8815. {
  8816. int rc;
  8817. struct bnx2x *bp = params->bp;
  8818. u16 cmd_args = 1;
  8819. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8820. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8821. if (rc) {
  8822. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8823. return rc;
  8824. }
  8825. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8826. }
  8827. #define PHY84833_CONSTANT_LATENCY 1193
  8828. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8829. struct link_params *params,
  8830. struct link_vars *vars)
  8831. {
  8832. struct bnx2x *bp = params->bp;
  8833. u8 port, initialize = 1;
  8834. u16 val;
  8835. u32 actual_phy_selection;
  8836. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8837. int rc = 0;
  8838. usleep_range(1000, 2000);
  8839. if (!(CHIP_IS_E1x(bp)))
  8840. port = BP_PATH(bp);
  8841. else
  8842. port = params->port;
  8843. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8844. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8845. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8846. port);
  8847. } else {
  8848. /* MDIO reset */
  8849. bnx2x_cl45_write(bp, phy,
  8850. MDIO_PMA_DEVAD,
  8851. MDIO_PMA_REG_CTRL, 0x8000);
  8852. }
  8853. bnx2x_wait_reset_complete(bp, phy, params);
  8854. /* Wait for GPHY to come out of reset */
  8855. msleep(50);
  8856. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8857. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8858. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8859. * behavior.
  8860. */
  8861. u16 temp;
  8862. temp = vars->line_speed;
  8863. vars->line_speed = SPEED_10000;
  8864. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8865. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8866. vars->line_speed = temp;
  8867. }
  8868. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8869. MDIO_CTL_REG_84823_MEDIA, &val);
  8870. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8871. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8872. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8873. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8874. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8875. if (CHIP_IS_E3(bp)) {
  8876. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8877. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8878. } else {
  8879. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8880. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8881. }
  8882. actual_phy_selection = bnx2x_phy_selection(params);
  8883. switch (actual_phy_selection) {
  8884. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8885. /* Do nothing. Essentially this is like the priority copper */
  8886. break;
  8887. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8888. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8889. break;
  8890. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8891. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8892. break;
  8893. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8894. /* Do nothing here. The first PHY won't be initialized at all */
  8895. break;
  8896. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8897. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8898. initialize = 0;
  8899. break;
  8900. }
  8901. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8902. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8903. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8904. MDIO_CTL_REG_84823_MEDIA, val);
  8905. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8906. params->multi_phy_config, val);
  8907. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8908. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8909. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8910. /* Keep AutogrEEEn disabled. */
  8911. cmd_args[0] = 0x0;
  8912. cmd_args[1] = 0x0;
  8913. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8914. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8915. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8916. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8917. PHY84833_CMDHDLR_MAX_ARGS);
  8918. if (rc)
  8919. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8920. }
  8921. if (initialize)
  8922. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8923. else
  8924. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8925. /* 84833 PHY has a better feature and doesn't need to support this. */
  8926. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8927. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8928. offsetof(struct shmem_region,
  8929. dev_info.port_hw_config[params->port].default_cfg)) &
  8930. PORT_HW_CFG_ENABLE_CMS_MASK;
  8931. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8932. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8933. if (cms_enable)
  8934. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8935. else
  8936. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8937. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8938. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8939. }
  8940. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8941. MDIO_84833_TOP_CFG_FW_REV, &val);
  8942. /* Configure EEE support */
  8943. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8944. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8945. bnx2x_eee_has_cap(params)) {
  8946. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8947. if (rc) {
  8948. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8949. bnx2x_8483x_disable_eee(phy, params, vars);
  8950. return rc;
  8951. }
  8952. if ((phy->req_duplex == DUPLEX_FULL) &&
  8953. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8954. (bnx2x_eee_calc_timer(params) ||
  8955. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8956. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8957. else
  8958. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8959. if (rc) {
  8960. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8961. return rc;
  8962. }
  8963. } else {
  8964. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8965. }
  8966. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8967. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8968. /* Bring PHY out of super isolate mode as the final step. */
  8969. bnx2x_cl45_read_and_write(bp, phy,
  8970. MDIO_CTL_DEVAD,
  8971. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  8972. (u16)~MDIO_84833_SUPER_ISOLATE);
  8973. }
  8974. return rc;
  8975. }
  8976. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8977. struct link_params *params,
  8978. struct link_vars *vars)
  8979. {
  8980. struct bnx2x *bp = params->bp;
  8981. u16 val, val1, val2;
  8982. u8 link_up = 0;
  8983. /* Check 10G-BaseT link status */
  8984. /* Check PMD signal ok */
  8985. bnx2x_cl45_read(bp, phy,
  8986. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8987. bnx2x_cl45_read(bp, phy,
  8988. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8989. &val2);
  8990. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8991. /* Check link 10G */
  8992. if (val2 & (1<<11)) {
  8993. vars->line_speed = SPEED_10000;
  8994. vars->duplex = DUPLEX_FULL;
  8995. link_up = 1;
  8996. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8997. } else { /* Check Legacy speed link */
  8998. u16 legacy_status, legacy_speed;
  8999. /* Enable expansion register 0x42 (Operation mode status) */
  9000. bnx2x_cl45_write(bp, phy,
  9001. MDIO_AN_DEVAD,
  9002. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  9003. /* Get legacy speed operation status */
  9004. bnx2x_cl45_read(bp, phy,
  9005. MDIO_AN_DEVAD,
  9006. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  9007. &legacy_status);
  9008. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  9009. legacy_status);
  9010. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9011. legacy_speed = (legacy_status & (3<<9));
  9012. if (legacy_speed == (0<<9))
  9013. vars->line_speed = SPEED_10;
  9014. else if (legacy_speed == (1<<9))
  9015. vars->line_speed = SPEED_100;
  9016. else if (legacy_speed == (2<<9))
  9017. vars->line_speed = SPEED_1000;
  9018. else { /* Should not happen: Treat as link down */
  9019. vars->line_speed = 0;
  9020. link_up = 0;
  9021. }
  9022. if (link_up) {
  9023. if (legacy_status & (1<<8))
  9024. vars->duplex = DUPLEX_FULL;
  9025. else
  9026. vars->duplex = DUPLEX_HALF;
  9027. DP(NETIF_MSG_LINK,
  9028. "Link is up in %dMbps, is_duplex_full= %d\n",
  9029. vars->line_speed,
  9030. (vars->duplex == DUPLEX_FULL));
  9031. /* Check legacy speed AN resolution */
  9032. bnx2x_cl45_read(bp, phy,
  9033. MDIO_AN_DEVAD,
  9034. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9035. &val);
  9036. if (val & (1<<5))
  9037. vars->link_status |=
  9038. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9039. bnx2x_cl45_read(bp, phy,
  9040. MDIO_AN_DEVAD,
  9041. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9042. &val);
  9043. if ((val & (1<<0)) == 0)
  9044. vars->link_status |=
  9045. LINK_STATUS_PARALLEL_DETECTION_USED;
  9046. }
  9047. }
  9048. if (link_up) {
  9049. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9050. vars->line_speed);
  9051. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9052. /* Read LP advertised speeds */
  9053. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9054. MDIO_AN_REG_CL37_FC_LP, &val);
  9055. if (val & (1<<5))
  9056. vars->link_status |=
  9057. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9058. if (val & (1<<6))
  9059. vars->link_status |=
  9060. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9061. if (val & (1<<7))
  9062. vars->link_status |=
  9063. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9064. if (val & (1<<8))
  9065. vars->link_status |=
  9066. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9067. if (val & (1<<9))
  9068. vars->link_status |=
  9069. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9070. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9071. MDIO_AN_REG_1000T_STATUS, &val);
  9072. if (val & (1<<10))
  9073. vars->link_status |=
  9074. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9075. if (val & (1<<11))
  9076. vars->link_status |=
  9077. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9078. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9079. MDIO_AN_REG_MASTER_STATUS, &val);
  9080. if (val & (1<<11))
  9081. vars->link_status |=
  9082. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9083. /* Determine if EEE was negotiated */
  9084. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  9085. bnx2x_eee_an_resolve(phy, params, vars);
  9086. }
  9087. return link_up;
  9088. }
  9089. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9090. {
  9091. int status = 0;
  9092. u32 spirom_ver;
  9093. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9094. status = bnx2x_format_ver(spirom_ver, str, len);
  9095. return status;
  9096. }
  9097. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9098. struct link_params *params)
  9099. {
  9100. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9101. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9102. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9103. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9104. }
  9105. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9106. struct link_params *params)
  9107. {
  9108. bnx2x_cl45_write(params->bp, phy,
  9109. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9110. bnx2x_cl45_write(params->bp, phy,
  9111. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9112. }
  9113. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9114. struct link_params *params)
  9115. {
  9116. struct bnx2x *bp = params->bp;
  9117. u8 port;
  9118. u16 val16;
  9119. if (!(CHIP_IS_E1x(bp)))
  9120. port = BP_PATH(bp);
  9121. else
  9122. port = params->port;
  9123. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9124. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9125. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9126. port);
  9127. } else {
  9128. bnx2x_cl45_read(bp, phy,
  9129. MDIO_CTL_DEVAD,
  9130. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9131. val16 |= MDIO_84833_SUPER_ISOLATE;
  9132. bnx2x_cl45_write(bp, phy,
  9133. MDIO_CTL_DEVAD,
  9134. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9135. }
  9136. }
  9137. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9138. struct link_params *params, u8 mode)
  9139. {
  9140. struct bnx2x *bp = params->bp;
  9141. u16 val;
  9142. u8 port;
  9143. if (!(CHIP_IS_E1x(bp)))
  9144. port = BP_PATH(bp);
  9145. else
  9146. port = params->port;
  9147. switch (mode) {
  9148. case LED_MODE_OFF:
  9149. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9150. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9151. SHARED_HW_CFG_LED_EXTPHY1) {
  9152. /* Set LED masks */
  9153. bnx2x_cl45_write(bp, phy,
  9154. MDIO_PMA_DEVAD,
  9155. MDIO_PMA_REG_8481_LED1_MASK,
  9156. 0x0);
  9157. bnx2x_cl45_write(bp, phy,
  9158. MDIO_PMA_DEVAD,
  9159. MDIO_PMA_REG_8481_LED2_MASK,
  9160. 0x0);
  9161. bnx2x_cl45_write(bp, phy,
  9162. MDIO_PMA_DEVAD,
  9163. MDIO_PMA_REG_8481_LED3_MASK,
  9164. 0x0);
  9165. bnx2x_cl45_write(bp, phy,
  9166. MDIO_PMA_DEVAD,
  9167. MDIO_PMA_REG_8481_LED5_MASK,
  9168. 0x0);
  9169. } else {
  9170. bnx2x_cl45_write(bp, phy,
  9171. MDIO_PMA_DEVAD,
  9172. MDIO_PMA_REG_8481_LED1_MASK,
  9173. 0x0);
  9174. }
  9175. break;
  9176. case LED_MODE_FRONT_PANEL_OFF:
  9177. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9178. port);
  9179. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9180. SHARED_HW_CFG_LED_EXTPHY1) {
  9181. /* Set LED masks */
  9182. bnx2x_cl45_write(bp, phy,
  9183. MDIO_PMA_DEVAD,
  9184. MDIO_PMA_REG_8481_LED1_MASK,
  9185. 0x0);
  9186. bnx2x_cl45_write(bp, phy,
  9187. MDIO_PMA_DEVAD,
  9188. MDIO_PMA_REG_8481_LED2_MASK,
  9189. 0x0);
  9190. bnx2x_cl45_write(bp, phy,
  9191. MDIO_PMA_DEVAD,
  9192. MDIO_PMA_REG_8481_LED3_MASK,
  9193. 0x0);
  9194. bnx2x_cl45_write(bp, phy,
  9195. MDIO_PMA_DEVAD,
  9196. MDIO_PMA_REG_8481_LED5_MASK,
  9197. 0x20);
  9198. } else {
  9199. bnx2x_cl45_write(bp, phy,
  9200. MDIO_PMA_DEVAD,
  9201. MDIO_PMA_REG_8481_LED1_MASK,
  9202. 0x0);
  9203. if (phy->type ==
  9204. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9205. /* Disable MI_INT interrupt before setting LED4
  9206. * source to constant off.
  9207. */
  9208. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9209. params->port*4) &
  9210. NIG_MASK_MI_INT) {
  9211. params->link_flags |=
  9212. LINK_FLAGS_INT_DISABLED;
  9213. bnx2x_bits_dis(
  9214. bp,
  9215. NIG_REG_MASK_INTERRUPT_PORT0 +
  9216. params->port*4,
  9217. NIG_MASK_MI_INT);
  9218. }
  9219. bnx2x_cl45_write(bp, phy,
  9220. MDIO_PMA_DEVAD,
  9221. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9222. 0x0);
  9223. }
  9224. }
  9225. break;
  9226. case LED_MODE_ON:
  9227. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9228. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9229. SHARED_HW_CFG_LED_EXTPHY1) {
  9230. /* Set control reg */
  9231. bnx2x_cl45_read(bp, phy,
  9232. MDIO_PMA_DEVAD,
  9233. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9234. &val);
  9235. val &= 0x8000;
  9236. val |= 0x2492;
  9237. bnx2x_cl45_write(bp, phy,
  9238. MDIO_PMA_DEVAD,
  9239. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9240. val);
  9241. /* Set LED masks */
  9242. bnx2x_cl45_write(bp, phy,
  9243. MDIO_PMA_DEVAD,
  9244. MDIO_PMA_REG_8481_LED1_MASK,
  9245. 0x0);
  9246. bnx2x_cl45_write(bp, phy,
  9247. MDIO_PMA_DEVAD,
  9248. MDIO_PMA_REG_8481_LED2_MASK,
  9249. 0x20);
  9250. bnx2x_cl45_write(bp, phy,
  9251. MDIO_PMA_DEVAD,
  9252. MDIO_PMA_REG_8481_LED3_MASK,
  9253. 0x20);
  9254. bnx2x_cl45_write(bp, phy,
  9255. MDIO_PMA_DEVAD,
  9256. MDIO_PMA_REG_8481_LED5_MASK,
  9257. 0x0);
  9258. } else {
  9259. bnx2x_cl45_write(bp, phy,
  9260. MDIO_PMA_DEVAD,
  9261. MDIO_PMA_REG_8481_LED1_MASK,
  9262. 0x20);
  9263. if (phy->type ==
  9264. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9265. /* Disable MI_INT interrupt before setting LED4
  9266. * source to constant on.
  9267. */
  9268. if (REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  9269. params->port*4) &
  9270. NIG_MASK_MI_INT) {
  9271. params->link_flags |=
  9272. LINK_FLAGS_INT_DISABLED;
  9273. bnx2x_bits_dis(
  9274. bp,
  9275. NIG_REG_MASK_INTERRUPT_PORT0 +
  9276. params->port*4,
  9277. NIG_MASK_MI_INT);
  9278. }
  9279. bnx2x_cl45_write(bp, phy,
  9280. MDIO_PMA_DEVAD,
  9281. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9282. 0x20);
  9283. }
  9284. }
  9285. break;
  9286. case LED_MODE_OPER:
  9287. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9288. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9289. SHARED_HW_CFG_LED_EXTPHY1) {
  9290. /* Set control reg */
  9291. bnx2x_cl45_read(bp, phy,
  9292. MDIO_PMA_DEVAD,
  9293. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9294. &val);
  9295. if (!((val &
  9296. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9297. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9298. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9299. bnx2x_cl45_write(bp, phy,
  9300. MDIO_PMA_DEVAD,
  9301. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9302. 0xa492);
  9303. }
  9304. /* Set LED masks */
  9305. bnx2x_cl45_write(bp, phy,
  9306. MDIO_PMA_DEVAD,
  9307. MDIO_PMA_REG_8481_LED1_MASK,
  9308. 0x10);
  9309. bnx2x_cl45_write(bp, phy,
  9310. MDIO_PMA_DEVAD,
  9311. MDIO_PMA_REG_8481_LED2_MASK,
  9312. 0x80);
  9313. bnx2x_cl45_write(bp, phy,
  9314. MDIO_PMA_DEVAD,
  9315. MDIO_PMA_REG_8481_LED3_MASK,
  9316. 0x98);
  9317. bnx2x_cl45_write(bp, phy,
  9318. MDIO_PMA_DEVAD,
  9319. MDIO_PMA_REG_8481_LED5_MASK,
  9320. 0x40);
  9321. } else {
  9322. bnx2x_cl45_write(bp, phy,
  9323. MDIO_PMA_DEVAD,
  9324. MDIO_PMA_REG_8481_LED1_MASK,
  9325. 0x80);
  9326. /* Tell LED3 to blink on source */
  9327. bnx2x_cl45_read(bp, phy,
  9328. MDIO_PMA_DEVAD,
  9329. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9330. &val);
  9331. val &= ~(7<<6);
  9332. val |= (1<<6); /* A83B[8:6]= 1 */
  9333. bnx2x_cl45_write(bp, phy,
  9334. MDIO_PMA_DEVAD,
  9335. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9336. val);
  9337. if (phy->type ==
  9338. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) {
  9339. /* Restore LED4 source to external link,
  9340. * and re-enable interrupts.
  9341. */
  9342. bnx2x_cl45_write(bp, phy,
  9343. MDIO_PMA_DEVAD,
  9344. MDIO_PMA_REG_8481_SIGNAL_MASK,
  9345. 0x40);
  9346. if (params->link_flags &
  9347. LINK_FLAGS_INT_DISABLED) {
  9348. bnx2x_link_int_enable(params);
  9349. params->link_flags &=
  9350. ~LINK_FLAGS_INT_DISABLED;
  9351. }
  9352. }
  9353. }
  9354. break;
  9355. }
  9356. /* This is a workaround for E3+84833 until autoneg
  9357. * restart is fixed in f/w
  9358. */
  9359. if (CHIP_IS_E3(bp)) {
  9360. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9361. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9362. }
  9363. }
  9364. /******************************************************************/
  9365. /* 54618SE PHY SECTION */
  9366. /******************************************************************/
  9367. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9368. struct link_params *params,
  9369. u32 action)
  9370. {
  9371. struct bnx2x *bp = params->bp;
  9372. u16 temp;
  9373. switch (action) {
  9374. case PHY_INIT:
  9375. /* Configure LED4: set to INTR (0x6). */
  9376. /* Accessing shadow register 0xe. */
  9377. bnx2x_cl22_write(bp, phy,
  9378. MDIO_REG_GPHY_SHADOW,
  9379. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9380. bnx2x_cl22_read(bp, phy,
  9381. MDIO_REG_GPHY_SHADOW,
  9382. &temp);
  9383. temp &= ~(0xf << 4);
  9384. temp |= (0x6 << 4);
  9385. bnx2x_cl22_write(bp, phy,
  9386. MDIO_REG_GPHY_SHADOW,
  9387. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9388. /* Configure INTR based on link status change. */
  9389. bnx2x_cl22_write(bp, phy,
  9390. MDIO_REG_INTR_MASK,
  9391. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9392. break;
  9393. }
  9394. }
  9395. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9396. struct link_params *params,
  9397. struct link_vars *vars)
  9398. {
  9399. struct bnx2x *bp = params->bp;
  9400. u8 port;
  9401. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9402. u32 cfg_pin;
  9403. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9404. usleep_range(1000, 2000);
  9405. /* This works with E3 only, no need to check the chip
  9406. * before determining the port.
  9407. */
  9408. port = params->port;
  9409. cfg_pin = (REG_RD(bp, params->shmem_base +
  9410. offsetof(struct shmem_region,
  9411. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9412. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9413. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9414. /* Drive pin high to bring the GPHY out of reset. */
  9415. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9416. /* wait for GPHY to reset */
  9417. msleep(50);
  9418. /* reset phy */
  9419. bnx2x_cl22_write(bp, phy,
  9420. MDIO_PMA_REG_CTRL, 0x8000);
  9421. bnx2x_wait_reset_complete(bp, phy, params);
  9422. /* Wait for GPHY to reset */
  9423. msleep(50);
  9424. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9425. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9426. bnx2x_cl22_write(bp, phy,
  9427. MDIO_REG_GPHY_SHADOW,
  9428. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9429. bnx2x_cl22_read(bp, phy,
  9430. MDIO_REG_GPHY_SHADOW,
  9431. &temp);
  9432. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9433. bnx2x_cl22_write(bp, phy,
  9434. MDIO_REG_GPHY_SHADOW,
  9435. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9436. /* Set up fc */
  9437. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9438. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9439. fc_val = 0;
  9440. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9441. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9442. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9443. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9444. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9445. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9446. /* Read all advertisement */
  9447. bnx2x_cl22_read(bp, phy,
  9448. 0x09,
  9449. &an_1000_val);
  9450. bnx2x_cl22_read(bp, phy,
  9451. 0x04,
  9452. &an_10_100_val);
  9453. bnx2x_cl22_read(bp, phy,
  9454. MDIO_PMA_REG_CTRL,
  9455. &autoneg_val);
  9456. /* Disable forced speed */
  9457. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9458. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9459. (1<<11));
  9460. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9461. (phy->speed_cap_mask &
  9462. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9463. (phy->req_line_speed == SPEED_1000)) {
  9464. an_1000_val |= (1<<8);
  9465. autoneg_val |= (1<<9 | 1<<12);
  9466. if (phy->req_duplex == DUPLEX_FULL)
  9467. an_1000_val |= (1<<9);
  9468. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9469. } else
  9470. an_1000_val &= ~((1<<8) | (1<<9));
  9471. bnx2x_cl22_write(bp, phy,
  9472. 0x09,
  9473. an_1000_val);
  9474. bnx2x_cl22_read(bp, phy,
  9475. 0x09,
  9476. &an_1000_val);
  9477. /* Set 100 speed advertisement */
  9478. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9479. (phy->speed_cap_mask &
  9480. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9481. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9482. an_10_100_val |= (1<<7);
  9483. /* Enable autoneg and restart autoneg for legacy speeds */
  9484. autoneg_val |= (1<<9 | 1<<12);
  9485. if (phy->req_duplex == DUPLEX_FULL)
  9486. an_10_100_val |= (1<<8);
  9487. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9488. }
  9489. /* Set 10 speed advertisement */
  9490. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9491. (phy->speed_cap_mask &
  9492. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9493. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9494. an_10_100_val |= (1<<5);
  9495. autoneg_val |= (1<<9 | 1<<12);
  9496. if (phy->req_duplex == DUPLEX_FULL)
  9497. an_10_100_val |= (1<<6);
  9498. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9499. }
  9500. /* Only 10/100 are allowed to work in FORCE mode */
  9501. if (phy->req_line_speed == SPEED_100) {
  9502. autoneg_val |= (1<<13);
  9503. /* Enabled AUTO-MDIX when autoneg is disabled */
  9504. bnx2x_cl22_write(bp, phy,
  9505. 0x18,
  9506. (1<<15 | 1<<9 | 7<<0));
  9507. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9508. }
  9509. if (phy->req_line_speed == SPEED_10) {
  9510. /* Enabled AUTO-MDIX when autoneg is disabled */
  9511. bnx2x_cl22_write(bp, phy,
  9512. 0x18,
  9513. (1<<15 | 1<<9 | 7<<0));
  9514. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9515. }
  9516. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9517. int rc;
  9518. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9519. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9520. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9521. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9522. temp &= 0xfffe;
  9523. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9524. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9525. if (rc) {
  9526. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9527. bnx2x_eee_disable(phy, params, vars);
  9528. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9529. (phy->req_duplex == DUPLEX_FULL) &&
  9530. (bnx2x_eee_calc_timer(params) ||
  9531. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9532. /* Need to advertise EEE only when requested,
  9533. * and either no LPI assertion was requested,
  9534. * or it was requested and a valid timer was set.
  9535. * Also notice full duplex is required for EEE.
  9536. */
  9537. bnx2x_eee_advertise(phy, params, vars,
  9538. SHMEM_EEE_1G_ADV);
  9539. } else {
  9540. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9541. bnx2x_eee_disable(phy, params, vars);
  9542. }
  9543. } else {
  9544. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9545. SHMEM_EEE_SUPPORTED_SHIFT;
  9546. if (phy->flags & FLAGS_EEE) {
  9547. /* Handle legacy auto-grEEEn */
  9548. if (params->feature_config_flags &
  9549. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9550. temp = 6;
  9551. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9552. } else {
  9553. temp = 0;
  9554. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9555. }
  9556. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9557. MDIO_AN_REG_EEE_ADV, temp);
  9558. }
  9559. }
  9560. bnx2x_cl22_write(bp, phy,
  9561. 0x04,
  9562. an_10_100_val | fc_val);
  9563. if (phy->req_duplex == DUPLEX_FULL)
  9564. autoneg_val |= (1<<8);
  9565. bnx2x_cl22_write(bp, phy,
  9566. MDIO_PMA_REG_CTRL, autoneg_val);
  9567. return 0;
  9568. }
  9569. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9570. struct link_params *params, u8 mode)
  9571. {
  9572. struct bnx2x *bp = params->bp;
  9573. u16 temp;
  9574. bnx2x_cl22_write(bp, phy,
  9575. MDIO_REG_GPHY_SHADOW,
  9576. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9577. bnx2x_cl22_read(bp, phy,
  9578. MDIO_REG_GPHY_SHADOW,
  9579. &temp);
  9580. temp &= 0xff00;
  9581. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9582. switch (mode) {
  9583. case LED_MODE_FRONT_PANEL_OFF:
  9584. case LED_MODE_OFF:
  9585. temp |= 0x00ee;
  9586. break;
  9587. case LED_MODE_OPER:
  9588. temp |= 0x0001;
  9589. break;
  9590. case LED_MODE_ON:
  9591. temp |= 0x00ff;
  9592. break;
  9593. default:
  9594. break;
  9595. }
  9596. bnx2x_cl22_write(bp, phy,
  9597. MDIO_REG_GPHY_SHADOW,
  9598. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9599. return;
  9600. }
  9601. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9602. struct link_params *params)
  9603. {
  9604. struct bnx2x *bp = params->bp;
  9605. u32 cfg_pin;
  9606. u8 port;
  9607. /* In case of no EPIO routed to reset the GPHY, put it
  9608. * in low power mode.
  9609. */
  9610. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9611. /* This works with E3 only, no need to check the chip
  9612. * before determining the port.
  9613. */
  9614. port = params->port;
  9615. cfg_pin = (REG_RD(bp, params->shmem_base +
  9616. offsetof(struct shmem_region,
  9617. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9618. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9619. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9620. /* Drive pin low to put GPHY in reset. */
  9621. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9622. }
  9623. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9624. struct link_params *params,
  9625. struct link_vars *vars)
  9626. {
  9627. struct bnx2x *bp = params->bp;
  9628. u16 val;
  9629. u8 link_up = 0;
  9630. u16 legacy_status, legacy_speed;
  9631. /* Get speed operation status */
  9632. bnx2x_cl22_read(bp, phy,
  9633. MDIO_REG_GPHY_AUX_STATUS,
  9634. &legacy_status);
  9635. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9636. /* Read status to clear the PHY interrupt. */
  9637. bnx2x_cl22_read(bp, phy,
  9638. MDIO_REG_INTR_STATUS,
  9639. &val);
  9640. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9641. if (link_up) {
  9642. legacy_speed = (legacy_status & (7<<8));
  9643. if (legacy_speed == (7<<8)) {
  9644. vars->line_speed = SPEED_1000;
  9645. vars->duplex = DUPLEX_FULL;
  9646. } else if (legacy_speed == (6<<8)) {
  9647. vars->line_speed = SPEED_1000;
  9648. vars->duplex = DUPLEX_HALF;
  9649. } else if (legacy_speed == (5<<8)) {
  9650. vars->line_speed = SPEED_100;
  9651. vars->duplex = DUPLEX_FULL;
  9652. }
  9653. /* Omitting 100Base-T4 for now */
  9654. else if (legacy_speed == (3<<8)) {
  9655. vars->line_speed = SPEED_100;
  9656. vars->duplex = DUPLEX_HALF;
  9657. } else if (legacy_speed == (2<<8)) {
  9658. vars->line_speed = SPEED_10;
  9659. vars->duplex = DUPLEX_FULL;
  9660. } else if (legacy_speed == (1<<8)) {
  9661. vars->line_speed = SPEED_10;
  9662. vars->duplex = DUPLEX_HALF;
  9663. } else /* Should not happen */
  9664. vars->line_speed = 0;
  9665. DP(NETIF_MSG_LINK,
  9666. "Link is up in %dMbps, is_duplex_full= %d\n",
  9667. vars->line_speed,
  9668. (vars->duplex == DUPLEX_FULL));
  9669. /* Check legacy speed AN resolution */
  9670. bnx2x_cl22_read(bp, phy,
  9671. 0x01,
  9672. &val);
  9673. if (val & (1<<5))
  9674. vars->link_status |=
  9675. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9676. bnx2x_cl22_read(bp, phy,
  9677. 0x06,
  9678. &val);
  9679. if ((val & (1<<0)) == 0)
  9680. vars->link_status |=
  9681. LINK_STATUS_PARALLEL_DETECTION_USED;
  9682. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9683. vars->line_speed);
  9684. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9685. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9686. /* Report LP advertised speeds */
  9687. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9688. if (val & (1<<5))
  9689. vars->link_status |=
  9690. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9691. if (val & (1<<6))
  9692. vars->link_status |=
  9693. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9694. if (val & (1<<7))
  9695. vars->link_status |=
  9696. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9697. if (val & (1<<8))
  9698. vars->link_status |=
  9699. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9700. if (val & (1<<9))
  9701. vars->link_status |=
  9702. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9703. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9704. if (val & (1<<10))
  9705. vars->link_status |=
  9706. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9707. if (val & (1<<11))
  9708. vars->link_status |=
  9709. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9710. if ((phy->flags & FLAGS_EEE) &&
  9711. bnx2x_eee_has_cap(params))
  9712. bnx2x_eee_an_resolve(phy, params, vars);
  9713. }
  9714. }
  9715. return link_up;
  9716. }
  9717. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9718. struct link_params *params)
  9719. {
  9720. struct bnx2x *bp = params->bp;
  9721. u16 val;
  9722. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9723. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9724. /* Enable master/slave manual mmode and set to master */
  9725. /* mii write 9 [bits set 11 12] */
  9726. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9727. /* forced 1G and disable autoneg */
  9728. /* set val [mii read 0] */
  9729. /* set val [expr $val & [bits clear 6 12 13]] */
  9730. /* set val [expr $val | [bits set 6 8]] */
  9731. /* mii write 0 $val */
  9732. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9733. val &= ~((1<<6) | (1<<12) | (1<<13));
  9734. val |= (1<<6) | (1<<8);
  9735. bnx2x_cl22_write(bp, phy, 0x00, val);
  9736. /* Set external loopback and Tx using 6dB coding */
  9737. /* mii write 0x18 7 */
  9738. /* set val [mii read 0x18] */
  9739. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9740. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9741. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9742. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9743. /* This register opens the gate for the UMAC despite its name */
  9744. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9745. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9746. * length used by the MAC receive logic to check frames.
  9747. */
  9748. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9749. }
  9750. /******************************************************************/
  9751. /* SFX7101 PHY SECTION */
  9752. /******************************************************************/
  9753. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9754. struct link_params *params)
  9755. {
  9756. struct bnx2x *bp = params->bp;
  9757. /* SFX7101_XGXS_TEST1 */
  9758. bnx2x_cl45_write(bp, phy,
  9759. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9760. }
  9761. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9762. struct link_params *params,
  9763. struct link_vars *vars)
  9764. {
  9765. u16 fw_ver1, fw_ver2, val;
  9766. struct bnx2x *bp = params->bp;
  9767. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9768. /* Restore normal power mode*/
  9769. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9770. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9771. /* HW reset */
  9772. bnx2x_ext_phy_hw_reset(bp, params->port);
  9773. bnx2x_wait_reset_complete(bp, phy, params);
  9774. bnx2x_cl45_write(bp, phy,
  9775. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9776. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9777. bnx2x_cl45_write(bp, phy,
  9778. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9779. bnx2x_ext_phy_set_pause(params, phy, vars);
  9780. /* Restart autoneg */
  9781. bnx2x_cl45_read(bp, phy,
  9782. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9783. val |= 0x200;
  9784. bnx2x_cl45_write(bp, phy,
  9785. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9786. /* Save spirom version */
  9787. bnx2x_cl45_read(bp, phy,
  9788. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9789. bnx2x_cl45_read(bp, phy,
  9790. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9791. bnx2x_save_spirom_version(bp, params->port,
  9792. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9793. return 0;
  9794. }
  9795. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9796. struct link_params *params,
  9797. struct link_vars *vars)
  9798. {
  9799. struct bnx2x *bp = params->bp;
  9800. u8 link_up;
  9801. u16 val1, val2;
  9802. bnx2x_cl45_read(bp, phy,
  9803. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9804. bnx2x_cl45_read(bp, phy,
  9805. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9806. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9807. val2, val1);
  9808. bnx2x_cl45_read(bp, phy,
  9809. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9810. bnx2x_cl45_read(bp, phy,
  9811. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9812. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9813. val2, val1);
  9814. link_up = ((val1 & 4) == 4);
  9815. /* If link is up print the AN outcome of the SFX7101 PHY */
  9816. if (link_up) {
  9817. bnx2x_cl45_read(bp, phy,
  9818. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9819. &val2);
  9820. vars->line_speed = SPEED_10000;
  9821. vars->duplex = DUPLEX_FULL;
  9822. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9823. val2, (val2 & (1<<14)));
  9824. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9825. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9826. /* Read LP advertised speeds */
  9827. if (val2 & (1<<11))
  9828. vars->link_status |=
  9829. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9830. }
  9831. return link_up;
  9832. }
  9833. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9834. {
  9835. if (*len < 5)
  9836. return -EINVAL;
  9837. str[0] = (spirom_ver & 0xFF);
  9838. str[1] = (spirom_ver & 0xFF00) >> 8;
  9839. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9840. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9841. str[4] = '\0';
  9842. *len -= 5;
  9843. return 0;
  9844. }
  9845. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9846. {
  9847. u16 val, cnt;
  9848. bnx2x_cl45_read(bp, phy,
  9849. MDIO_PMA_DEVAD,
  9850. MDIO_PMA_REG_7101_RESET, &val);
  9851. for (cnt = 0; cnt < 10; cnt++) {
  9852. msleep(50);
  9853. /* Writes a self-clearing reset */
  9854. bnx2x_cl45_write(bp, phy,
  9855. MDIO_PMA_DEVAD,
  9856. MDIO_PMA_REG_7101_RESET,
  9857. (val | (1<<15)));
  9858. /* Wait for clear */
  9859. bnx2x_cl45_read(bp, phy,
  9860. MDIO_PMA_DEVAD,
  9861. MDIO_PMA_REG_7101_RESET, &val);
  9862. if ((val & (1<<15)) == 0)
  9863. break;
  9864. }
  9865. }
  9866. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9867. struct link_params *params) {
  9868. /* Low power mode is controlled by GPIO 2 */
  9869. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9870. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9871. /* The PHY reset is controlled by GPIO 1 */
  9872. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9873. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9874. }
  9875. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9876. struct link_params *params, u8 mode)
  9877. {
  9878. u16 val = 0;
  9879. struct bnx2x *bp = params->bp;
  9880. switch (mode) {
  9881. case LED_MODE_FRONT_PANEL_OFF:
  9882. case LED_MODE_OFF:
  9883. val = 2;
  9884. break;
  9885. case LED_MODE_ON:
  9886. val = 1;
  9887. break;
  9888. case LED_MODE_OPER:
  9889. val = 0;
  9890. break;
  9891. }
  9892. bnx2x_cl45_write(bp, phy,
  9893. MDIO_PMA_DEVAD,
  9894. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9895. val);
  9896. }
  9897. /******************************************************************/
  9898. /* STATIC PHY DECLARATION */
  9899. /******************************************************************/
  9900. static const struct bnx2x_phy phy_null = {
  9901. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9902. .addr = 0,
  9903. .def_md_devad = 0,
  9904. .flags = FLAGS_INIT_XGXS_FIRST,
  9905. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9906. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9907. .mdio_ctrl = 0,
  9908. .supported = 0,
  9909. .media_type = ETH_PHY_NOT_PRESENT,
  9910. .ver_addr = 0,
  9911. .req_flow_ctrl = 0,
  9912. .req_line_speed = 0,
  9913. .speed_cap_mask = 0,
  9914. .req_duplex = 0,
  9915. .rsrv = 0,
  9916. .config_init = (config_init_t)NULL,
  9917. .read_status = (read_status_t)NULL,
  9918. .link_reset = (link_reset_t)NULL,
  9919. .config_loopback = (config_loopback_t)NULL,
  9920. .format_fw_ver = (format_fw_ver_t)NULL,
  9921. .hw_reset = (hw_reset_t)NULL,
  9922. .set_link_led = (set_link_led_t)NULL,
  9923. .phy_specific_func = (phy_specific_func_t)NULL
  9924. };
  9925. static const struct bnx2x_phy phy_serdes = {
  9926. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9927. .addr = 0xff,
  9928. .def_md_devad = 0,
  9929. .flags = 0,
  9930. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9931. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9932. .mdio_ctrl = 0,
  9933. .supported = (SUPPORTED_10baseT_Half |
  9934. SUPPORTED_10baseT_Full |
  9935. SUPPORTED_100baseT_Half |
  9936. SUPPORTED_100baseT_Full |
  9937. SUPPORTED_1000baseT_Full |
  9938. SUPPORTED_2500baseX_Full |
  9939. SUPPORTED_TP |
  9940. SUPPORTED_Autoneg |
  9941. SUPPORTED_Pause |
  9942. SUPPORTED_Asym_Pause),
  9943. .media_type = ETH_PHY_BASE_T,
  9944. .ver_addr = 0,
  9945. .req_flow_ctrl = 0,
  9946. .req_line_speed = 0,
  9947. .speed_cap_mask = 0,
  9948. .req_duplex = 0,
  9949. .rsrv = 0,
  9950. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9951. .read_status = (read_status_t)bnx2x_link_settings_status,
  9952. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9953. .config_loopback = (config_loopback_t)NULL,
  9954. .format_fw_ver = (format_fw_ver_t)NULL,
  9955. .hw_reset = (hw_reset_t)NULL,
  9956. .set_link_led = (set_link_led_t)NULL,
  9957. .phy_specific_func = (phy_specific_func_t)NULL
  9958. };
  9959. static const struct bnx2x_phy phy_xgxs = {
  9960. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9961. .addr = 0xff,
  9962. .def_md_devad = 0,
  9963. .flags = 0,
  9964. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9965. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9966. .mdio_ctrl = 0,
  9967. .supported = (SUPPORTED_10baseT_Half |
  9968. SUPPORTED_10baseT_Full |
  9969. SUPPORTED_100baseT_Half |
  9970. SUPPORTED_100baseT_Full |
  9971. SUPPORTED_1000baseT_Full |
  9972. SUPPORTED_2500baseX_Full |
  9973. SUPPORTED_10000baseT_Full |
  9974. SUPPORTED_FIBRE |
  9975. SUPPORTED_Autoneg |
  9976. SUPPORTED_Pause |
  9977. SUPPORTED_Asym_Pause),
  9978. .media_type = ETH_PHY_CX4,
  9979. .ver_addr = 0,
  9980. .req_flow_ctrl = 0,
  9981. .req_line_speed = 0,
  9982. .speed_cap_mask = 0,
  9983. .req_duplex = 0,
  9984. .rsrv = 0,
  9985. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9986. .read_status = (read_status_t)bnx2x_link_settings_status,
  9987. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9988. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9989. .format_fw_ver = (format_fw_ver_t)NULL,
  9990. .hw_reset = (hw_reset_t)NULL,
  9991. .set_link_led = (set_link_led_t)NULL,
  9992. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9993. };
  9994. static const struct bnx2x_phy phy_warpcore = {
  9995. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9996. .addr = 0xff,
  9997. .def_md_devad = 0,
  9998. .flags = FLAGS_TX_ERROR_CHECK,
  9999. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10000. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10001. .mdio_ctrl = 0,
  10002. .supported = (SUPPORTED_10baseT_Half |
  10003. SUPPORTED_10baseT_Full |
  10004. SUPPORTED_100baseT_Half |
  10005. SUPPORTED_100baseT_Full |
  10006. SUPPORTED_1000baseT_Full |
  10007. SUPPORTED_10000baseT_Full |
  10008. SUPPORTED_20000baseKR2_Full |
  10009. SUPPORTED_20000baseMLD2_Full |
  10010. SUPPORTED_FIBRE |
  10011. SUPPORTED_Autoneg |
  10012. SUPPORTED_Pause |
  10013. SUPPORTED_Asym_Pause),
  10014. .media_type = ETH_PHY_UNSPECIFIED,
  10015. .ver_addr = 0,
  10016. .req_flow_ctrl = 0,
  10017. .req_line_speed = 0,
  10018. .speed_cap_mask = 0,
  10019. /* req_duplex = */0,
  10020. /* rsrv = */0,
  10021. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  10022. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  10023. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  10024. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  10025. .format_fw_ver = (format_fw_ver_t)NULL,
  10026. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  10027. .set_link_led = (set_link_led_t)NULL,
  10028. .phy_specific_func = (phy_specific_func_t)NULL
  10029. };
  10030. static const struct bnx2x_phy phy_7101 = {
  10031. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  10032. .addr = 0xff,
  10033. .def_md_devad = 0,
  10034. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  10035. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10036. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10037. .mdio_ctrl = 0,
  10038. .supported = (SUPPORTED_10000baseT_Full |
  10039. SUPPORTED_TP |
  10040. SUPPORTED_Autoneg |
  10041. SUPPORTED_Pause |
  10042. SUPPORTED_Asym_Pause),
  10043. .media_type = ETH_PHY_BASE_T,
  10044. .ver_addr = 0,
  10045. .req_flow_ctrl = 0,
  10046. .req_line_speed = 0,
  10047. .speed_cap_mask = 0,
  10048. .req_duplex = 0,
  10049. .rsrv = 0,
  10050. .config_init = (config_init_t)bnx2x_7101_config_init,
  10051. .read_status = (read_status_t)bnx2x_7101_read_status,
  10052. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10053. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  10054. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  10055. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  10056. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  10057. .phy_specific_func = (phy_specific_func_t)NULL
  10058. };
  10059. static const struct bnx2x_phy phy_8073 = {
  10060. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  10061. .addr = 0xff,
  10062. .def_md_devad = 0,
  10063. .flags = 0,
  10064. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10065. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10066. .mdio_ctrl = 0,
  10067. .supported = (SUPPORTED_10000baseT_Full |
  10068. SUPPORTED_2500baseX_Full |
  10069. SUPPORTED_1000baseT_Full |
  10070. SUPPORTED_FIBRE |
  10071. SUPPORTED_Autoneg |
  10072. SUPPORTED_Pause |
  10073. SUPPORTED_Asym_Pause),
  10074. .media_type = ETH_PHY_KR,
  10075. .ver_addr = 0,
  10076. .req_flow_ctrl = 0,
  10077. .req_line_speed = 0,
  10078. .speed_cap_mask = 0,
  10079. .req_duplex = 0,
  10080. .rsrv = 0,
  10081. .config_init = (config_init_t)bnx2x_8073_config_init,
  10082. .read_status = (read_status_t)bnx2x_8073_read_status,
  10083. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10084. .config_loopback = (config_loopback_t)NULL,
  10085. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10086. .hw_reset = (hw_reset_t)NULL,
  10087. .set_link_led = (set_link_led_t)NULL,
  10088. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10089. };
  10090. static const struct bnx2x_phy phy_8705 = {
  10091. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10092. .addr = 0xff,
  10093. .def_md_devad = 0,
  10094. .flags = FLAGS_INIT_XGXS_FIRST,
  10095. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10096. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10097. .mdio_ctrl = 0,
  10098. .supported = (SUPPORTED_10000baseT_Full |
  10099. SUPPORTED_FIBRE |
  10100. SUPPORTED_Pause |
  10101. SUPPORTED_Asym_Pause),
  10102. .media_type = ETH_PHY_XFP_FIBER,
  10103. .ver_addr = 0,
  10104. .req_flow_ctrl = 0,
  10105. .req_line_speed = 0,
  10106. .speed_cap_mask = 0,
  10107. .req_duplex = 0,
  10108. .rsrv = 0,
  10109. .config_init = (config_init_t)bnx2x_8705_config_init,
  10110. .read_status = (read_status_t)bnx2x_8705_read_status,
  10111. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10112. .config_loopback = (config_loopback_t)NULL,
  10113. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10114. .hw_reset = (hw_reset_t)NULL,
  10115. .set_link_led = (set_link_led_t)NULL,
  10116. .phy_specific_func = (phy_specific_func_t)NULL
  10117. };
  10118. static const struct bnx2x_phy phy_8706 = {
  10119. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10120. .addr = 0xff,
  10121. .def_md_devad = 0,
  10122. .flags = FLAGS_INIT_XGXS_FIRST,
  10123. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10124. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10125. .mdio_ctrl = 0,
  10126. .supported = (SUPPORTED_10000baseT_Full |
  10127. SUPPORTED_1000baseT_Full |
  10128. SUPPORTED_FIBRE |
  10129. SUPPORTED_Pause |
  10130. SUPPORTED_Asym_Pause),
  10131. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10132. .ver_addr = 0,
  10133. .req_flow_ctrl = 0,
  10134. .req_line_speed = 0,
  10135. .speed_cap_mask = 0,
  10136. .req_duplex = 0,
  10137. .rsrv = 0,
  10138. .config_init = (config_init_t)bnx2x_8706_config_init,
  10139. .read_status = (read_status_t)bnx2x_8706_read_status,
  10140. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10141. .config_loopback = (config_loopback_t)NULL,
  10142. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10143. .hw_reset = (hw_reset_t)NULL,
  10144. .set_link_led = (set_link_led_t)NULL,
  10145. .phy_specific_func = (phy_specific_func_t)NULL
  10146. };
  10147. static const struct bnx2x_phy phy_8726 = {
  10148. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10149. .addr = 0xff,
  10150. .def_md_devad = 0,
  10151. .flags = (FLAGS_INIT_XGXS_FIRST |
  10152. FLAGS_TX_ERROR_CHECK),
  10153. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10154. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10155. .mdio_ctrl = 0,
  10156. .supported = (SUPPORTED_10000baseT_Full |
  10157. SUPPORTED_1000baseT_Full |
  10158. SUPPORTED_Autoneg |
  10159. SUPPORTED_FIBRE |
  10160. SUPPORTED_Pause |
  10161. SUPPORTED_Asym_Pause),
  10162. .media_type = ETH_PHY_NOT_PRESENT,
  10163. .ver_addr = 0,
  10164. .req_flow_ctrl = 0,
  10165. .req_line_speed = 0,
  10166. .speed_cap_mask = 0,
  10167. .req_duplex = 0,
  10168. .rsrv = 0,
  10169. .config_init = (config_init_t)bnx2x_8726_config_init,
  10170. .read_status = (read_status_t)bnx2x_8726_read_status,
  10171. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10172. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10173. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10174. .hw_reset = (hw_reset_t)NULL,
  10175. .set_link_led = (set_link_led_t)NULL,
  10176. .phy_specific_func = (phy_specific_func_t)NULL
  10177. };
  10178. static const struct bnx2x_phy phy_8727 = {
  10179. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10180. .addr = 0xff,
  10181. .def_md_devad = 0,
  10182. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10183. FLAGS_TX_ERROR_CHECK),
  10184. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10185. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10186. .mdio_ctrl = 0,
  10187. .supported = (SUPPORTED_10000baseT_Full |
  10188. SUPPORTED_1000baseT_Full |
  10189. SUPPORTED_FIBRE |
  10190. SUPPORTED_Pause |
  10191. SUPPORTED_Asym_Pause),
  10192. .media_type = ETH_PHY_NOT_PRESENT,
  10193. .ver_addr = 0,
  10194. .req_flow_ctrl = 0,
  10195. .req_line_speed = 0,
  10196. .speed_cap_mask = 0,
  10197. .req_duplex = 0,
  10198. .rsrv = 0,
  10199. .config_init = (config_init_t)bnx2x_8727_config_init,
  10200. .read_status = (read_status_t)bnx2x_8727_read_status,
  10201. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10202. .config_loopback = (config_loopback_t)NULL,
  10203. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10204. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10205. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10206. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10207. };
  10208. static const struct bnx2x_phy phy_8481 = {
  10209. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10210. .addr = 0xff,
  10211. .def_md_devad = 0,
  10212. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10213. FLAGS_REARM_LATCH_SIGNAL,
  10214. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10215. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10216. .mdio_ctrl = 0,
  10217. .supported = (SUPPORTED_10baseT_Half |
  10218. SUPPORTED_10baseT_Full |
  10219. SUPPORTED_100baseT_Half |
  10220. SUPPORTED_100baseT_Full |
  10221. SUPPORTED_1000baseT_Full |
  10222. SUPPORTED_10000baseT_Full |
  10223. SUPPORTED_TP |
  10224. SUPPORTED_Autoneg |
  10225. SUPPORTED_Pause |
  10226. SUPPORTED_Asym_Pause),
  10227. .media_type = ETH_PHY_BASE_T,
  10228. .ver_addr = 0,
  10229. .req_flow_ctrl = 0,
  10230. .req_line_speed = 0,
  10231. .speed_cap_mask = 0,
  10232. .req_duplex = 0,
  10233. .rsrv = 0,
  10234. .config_init = (config_init_t)bnx2x_8481_config_init,
  10235. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10236. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10237. .config_loopback = (config_loopback_t)NULL,
  10238. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10239. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10240. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10241. .phy_specific_func = (phy_specific_func_t)NULL
  10242. };
  10243. static const struct bnx2x_phy phy_84823 = {
  10244. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10245. .addr = 0xff,
  10246. .def_md_devad = 0,
  10247. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10248. FLAGS_REARM_LATCH_SIGNAL |
  10249. FLAGS_TX_ERROR_CHECK),
  10250. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10251. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10252. .mdio_ctrl = 0,
  10253. .supported = (SUPPORTED_10baseT_Half |
  10254. SUPPORTED_10baseT_Full |
  10255. SUPPORTED_100baseT_Half |
  10256. SUPPORTED_100baseT_Full |
  10257. SUPPORTED_1000baseT_Full |
  10258. SUPPORTED_10000baseT_Full |
  10259. SUPPORTED_TP |
  10260. SUPPORTED_Autoneg |
  10261. SUPPORTED_Pause |
  10262. SUPPORTED_Asym_Pause),
  10263. .media_type = ETH_PHY_BASE_T,
  10264. .ver_addr = 0,
  10265. .req_flow_ctrl = 0,
  10266. .req_line_speed = 0,
  10267. .speed_cap_mask = 0,
  10268. .req_duplex = 0,
  10269. .rsrv = 0,
  10270. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10271. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10272. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10273. .config_loopback = (config_loopback_t)NULL,
  10274. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10275. .hw_reset = (hw_reset_t)NULL,
  10276. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10277. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10278. };
  10279. static const struct bnx2x_phy phy_84833 = {
  10280. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10281. .addr = 0xff,
  10282. .def_md_devad = 0,
  10283. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10284. FLAGS_REARM_LATCH_SIGNAL |
  10285. FLAGS_TX_ERROR_CHECK),
  10286. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10287. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10288. .mdio_ctrl = 0,
  10289. .supported = (SUPPORTED_100baseT_Half |
  10290. SUPPORTED_100baseT_Full |
  10291. SUPPORTED_1000baseT_Full |
  10292. SUPPORTED_10000baseT_Full |
  10293. SUPPORTED_TP |
  10294. SUPPORTED_Autoneg |
  10295. SUPPORTED_Pause |
  10296. SUPPORTED_Asym_Pause),
  10297. .media_type = ETH_PHY_BASE_T,
  10298. .ver_addr = 0,
  10299. .req_flow_ctrl = 0,
  10300. .req_line_speed = 0,
  10301. .speed_cap_mask = 0,
  10302. .req_duplex = 0,
  10303. .rsrv = 0,
  10304. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10305. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10306. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10307. .config_loopback = (config_loopback_t)NULL,
  10308. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10309. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10310. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10311. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10312. };
  10313. static const struct bnx2x_phy phy_84834 = {
  10314. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10315. .addr = 0xff,
  10316. .def_md_devad = 0,
  10317. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10318. FLAGS_REARM_LATCH_SIGNAL,
  10319. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10320. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10321. .mdio_ctrl = 0,
  10322. .supported = (SUPPORTED_100baseT_Half |
  10323. SUPPORTED_100baseT_Full |
  10324. SUPPORTED_1000baseT_Full |
  10325. SUPPORTED_10000baseT_Full |
  10326. SUPPORTED_TP |
  10327. SUPPORTED_Autoneg |
  10328. SUPPORTED_Pause |
  10329. SUPPORTED_Asym_Pause),
  10330. .media_type = ETH_PHY_BASE_T,
  10331. .ver_addr = 0,
  10332. .req_flow_ctrl = 0,
  10333. .req_line_speed = 0,
  10334. .speed_cap_mask = 0,
  10335. .req_duplex = 0,
  10336. .rsrv = 0,
  10337. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10338. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10339. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10340. .config_loopback = (config_loopback_t)NULL,
  10341. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10342. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10343. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10344. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10345. };
  10346. static const struct bnx2x_phy phy_54618se = {
  10347. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10348. .addr = 0xff,
  10349. .def_md_devad = 0,
  10350. .flags = FLAGS_INIT_XGXS_FIRST,
  10351. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10352. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10353. .mdio_ctrl = 0,
  10354. .supported = (SUPPORTED_10baseT_Half |
  10355. SUPPORTED_10baseT_Full |
  10356. SUPPORTED_100baseT_Half |
  10357. SUPPORTED_100baseT_Full |
  10358. SUPPORTED_1000baseT_Full |
  10359. SUPPORTED_TP |
  10360. SUPPORTED_Autoneg |
  10361. SUPPORTED_Pause |
  10362. SUPPORTED_Asym_Pause),
  10363. .media_type = ETH_PHY_BASE_T,
  10364. .ver_addr = 0,
  10365. .req_flow_ctrl = 0,
  10366. .req_line_speed = 0,
  10367. .speed_cap_mask = 0,
  10368. /* req_duplex = */0,
  10369. /* rsrv = */0,
  10370. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10371. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10372. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10373. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10374. .format_fw_ver = (format_fw_ver_t)NULL,
  10375. .hw_reset = (hw_reset_t)NULL,
  10376. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10377. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10378. };
  10379. /*****************************************************************/
  10380. /* */
  10381. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10382. /* */
  10383. /*****************************************************************/
  10384. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10385. struct bnx2x_phy *phy, u8 port,
  10386. u8 phy_index)
  10387. {
  10388. /* Get the 4 lanes xgxs config rx and tx */
  10389. u32 rx = 0, tx = 0, i;
  10390. for (i = 0; i < 2; i++) {
  10391. /* INT_PHY and EXT_PHY1 share the same value location in
  10392. * the shmem. When num_phys is greater than 1, than this value
  10393. * applies only to EXT_PHY1
  10394. */
  10395. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10396. rx = REG_RD(bp, shmem_base +
  10397. offsetof(struct shmem_region,
  10398. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10399. tx = REG_RD(bp, shmem_base +
  10400. offsetof(struct shmem_region,
  10401. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10402. } else {
  10403. rx = REG_RD(bp, shmem_base +
  10404. offsetof(struct shmem_region,
  10405. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10406. tx = REG_RD(bp, shmem_base +
  10407. offsetof(struct shmem_region,
  10408. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10409. }
  10410. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10411. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10412. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10413. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10414. }
  10415. }
  10416. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10417. u8 phy_index, u8 port)
  10418. {
  10419. u32 ext_phy_config = 0;
  10420. switch (phy_index) {
  10421. case EXT_PHY1:
  10422. ext_phy_config = REG_RD(bp, shmem_base +
  10423. offsetof(struct shmem_region,
  10424. dev_info.port_hw_config[port].external_phy_config));
  10425. break;
  10426. case EXT_PHY2:
  10427. ext_phy_config = REG_RD(bp, shmem_base +
  10428. offsetof(struct shmem_region,
  10429. dev_info.port_hw_config[port].external_phy_config2));
  10430. break;
  10431. default:
  10432. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10433. return -EINVAL;
  10434. }
  10435. return ext_phy_config;
  10436. }
  10437. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10438. struct bnx2x_phy *phy)
  10439. {
  10440. u32 phy_addr;
  10441. u32 chip_id;
  10442. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10443. offsetof(struct shmem_region,
  10444. dev_info.port_feature_config[port].link_config)) &
  10445. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10446. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10447. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10448. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10449. if (USES_WARPCORE(bp)) {
  10450. u32 serdes_net_if;
  10451. phy_addr = REG_RD(bp,
  10452. MISC_REG_WC0_CTRL_PHY_ADDR);
  10453. *phy = phy_warpcore;
  10454. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10455. phy->flags |= FLAGS_4_PORT_MODE;
  10456. else
  10457. phy->flags &= ~FLAGS_4_PORT_MODE;
  10458. /* Check Dual mode */
  10459. serdes_net_if = (REG_RD(bp, shmem_base +
  10460. offsetof(struct shmem_region, dev_info.
  10461. port_hw_config[port].default_cfg)) &
  10462. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10463. /* Set the appropriate supported and flags indications per
  10464. * interface type of the chip
  10465. */
  10466. switch (serdes_net_if) {
  10467. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10468. phy->supported &= (SUPPORTED_10baseT_Half |
  10469. SUPPORTED_10baseT_Full |
  10470. SUPPORTED_100baseT_Half |
  10471. SUPPORTED_100baseT_Full |
  10472. SUPPORTED_1000baseT_Full |
  10473. SUPPORTED_FIBRE |
  10474. SUPPORTED_Autoneg |
  10475. SUPPORTED_Pause |
  10476. SUPPORTED_Asym_Pause);
  10477. phy->media_type = ETH_PHY_BASE_T;
  10478. break;
  10479. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10480. phy->supported &= (SUPPORTED_1000baseT_Full |
  10481. SUPPORTED_10000baseT_Full |
  10482. SUPPORTED_FIBRE |
  10483. SUPPORTED_Pause |
  10484. SUPPORTED_Asym_Pause);
  10485. phy->media_type = ETH_PHY_XFP_FIBER;
  10486. break;
  10487. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10488. phy->supported &= (SUPPORTED_1000baseT_Full |
  10489. SUPPORTED_10000baseT_Full |
  10490. SUPPORTED_FIBRE |
  10491. SUPPORTED_Pause |
  10492. SUPPORTED_Asym_Pause);
  10493. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10494. break;
  10495. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10496. phy->media_type = ETH_PHY_KR;
  10497. phy->supported &= (SUPPORTED_1000baseT_Full |
  10498. SUPPORTED_10000baseT_Full |
  10499. SUPPORTED_FIBRE |
  10500. SUPPORTED_Autoneg |
  10501. SUPPORTED_Pause |
  10502. SUPPORTED_Asym_Pause);
  10503. break;
  10504. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10505. phy->media_type = ETH_PHY_KR;
  10506. phy->flags |= FLAGS_WC_DUAL_MODE;
  10507. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10508. SUPPORTED_FIBRE |
  10509. SUPPORTED_Pause |
  10510. SUPPORTED_Asym_Pause);
  10511. break;
  10512. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10513. phy->media_type = ETH_PHY_KR;
  10514. phy->flags |= FLAGS_WC_DUAL_MODE;
  10515. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10516. SUPPORTED_10000baseT_Full |
  10517. SUPPORTED_1000baseT_Full |
  10518. SUPPORTED_Autoneg |
  10519. SUPPORTED_FIBRE |
  10520. SUPPORTED_Pause |
  10521. SUPPORTED_Asym_Pause);
  10522. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10523. break;
  10524. default:
  10525. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10526. serdes_net_if);
  10527. break;
  10528. }
  10529. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10530. * was not set as expected. For B0, ECO will be enabled so there
  10531. * won't be an issue there
  10532. */
  10533. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10534. phy->flags |= FLAGS_MDC_MDIO_WA;
  10535. else
  10536. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10537. } else {
  10538. switch (switch_cfg) {
  10539. case SWITCH_CFG_1G:
  10540. phy_addr = REG_RD(bp,
  10541. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10542. port * 0x10);
  10543. *phy = phy_serdes;
  10544. break;
  10545. case SWITCH_CFG_10G:
  10546. phy_addr = REG_RD(bp,
  10547. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10548. port * 0x18);
  10549. *phy = phy_xgxs;
  10550. break;
  10551. default:
  10552. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10553. return -EINVAL;
  10554. }
  10555. }
  10556. phy->addr = (u8)phy_addr;
  10557. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10558. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10559. port);
  10560. if (CHIP_IS_E2(bp))
  10561. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10562. else
  10563. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10564. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10565. port, phy->addr, phy->mdio_ctrl);
  10566. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10567. return 0;
  10568. }
  10569. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10570. u8 phy_index,
  10571. u32 shmem_base,
  10572. u32 shmem2_base,
  10573. u8 port,
  10574. struct bnx2x_phy *phy)
  10575. {
  10576. u32 ext_phy_config, phy_type, config2;
  10577. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10578. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10579. phy_index, port);
  10580. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10581. /* Select the phy type */
  10582. switch (phy_type) {
  10583. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10584. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10585. *phy = phy_8073;
  10586. break;
  10587. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10588. *phy = phy_8705;
  10589. break;
  10590. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10591. *phy = phy_8706;
  10592. break;
  10593. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10594. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10595. *phy = phy_8726;
  10596. break;
  10597. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10598. /* BCM8727_NOC => BCM8727 no over current */
  10599. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10600. *phy = phy_8727;
  10601. phy->flags |= FLAGS_NOC;
  10602. break;
  10603. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10604. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10605. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10606. *phy = phy_8727;
  10607. break;
  10608. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10609. *phy = phy_8481;
  10610. break;
  10611. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10612. *phy = phy_84823;
  10613. break;
  10614. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10615. *phy = phy_84833;
  10616. break;
  10617. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10618. *phy = phy_84834;
  10619. break;
  10620. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10621. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10622. *phy = phy_54618se;
  10623. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10624. phy->flags |= FLAGS_EEE;
  10625. break;
  10626. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10627. *phy = phy_7101;
  10628. break;
  10629. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10630. *phy = phy_null;
  10631. return -EINVAL;
  10632. default:
  10633. *phy = phy_null;
  10634. /* In case external PHY wasn't found */
  10635. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10636. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10637. return -EINVAL;
  10638. return 0;
  10639. }
  10640. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10641. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10642. /* The shmem address of the phy version is located on different
  10643. * structures. In case this structure is too old, do not set
  10644. * the address
  10645. */
  10646. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10647. dev_info.shared_hw_config.config2));
  10648. if (phy_index == EXT_PHY1) {
  10649. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10650. port_mb[port].ext_phy_fw_version);
  10651. /* Check specific mdc mdio settings */
  10652. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10653. mdc_mdio_access = config2 &
  10654. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10655. } else {
  10656. u32 size = REG_RD(bp, shmem2_base);
  10657. if (size >
  10658. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10659. phy->ver_addr = shmem2_base +
  10660. offsetof(struct shmem2_region,
  10661. ext_phy_fw_version2[port]);
  10662. }
  10663. /* Check specific mdc mdio settings */
  10664. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10665. mdc_mdio_access = (config2 &
  10666. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10667. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10668. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10669. }
  10670. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10671. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10672. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10673. (phy->ver_addr)) {
  10674. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10675. * version lower than or equal to 1.39
  10676. */
  10677. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10678. if (((raw_ver & 0x7F) <= 39) &&
  10679. (((raw_ver & 0xF80) >> 7) <= 1))
  10680. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10681. SUPPORTED_100baseT_Full);
  10682. }
  10683. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10684. phy_type, port, phy_index);
  10685. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10686. phy->addr, phy->mdio_ctrl);
  10687. return 0;
  10688. }
  10689. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10690. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10691. {
  10692. int status = 0;
  10693. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10694. if (phy_index == INT_PHY)
  10695. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10696. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10697. port, phy);
  10698. return status;
  10699. }
  10700. static void bnx2x_phy_def_cfg(struct link_params *params,
  10701. struct bnx2x_phy *phy,
  10702. u8 phy_index)
  10703. {
  10704. struct bnx2x *bp = params->bp;
  10705. u32 link_config;
  10706. /* Populate the default phy configuration for MF mode */
  10707. if (phy_index == EXT_PHY2) {
  10708. link_config = REG_RD(bp, params->shmem_base +
  10709. offsetof(struct shmem_region, dev_info.
  10710. port_feature_config[params->port].link_config2));
  10711. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10712. offsetof(struct shmem_region,
  10713. dev_info.
  10714. port_hw_config[params->port].speed_capability_mask2));
  10715. } else {
  10716. link_config = REG_RD(bp, params->shmem_base +
  10717. offsetof(struct shmem_region, dev_info.
  10718. port_feature_config[params->port].link_config));
  10719. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10720. offsetof(struct shmem_region,
  10721. dev_info.
  10722. port_hw_config[params->port].speed_capability_mask));
  10723. }
  10724. DP(NETIF_MSG_LINK,
  10725. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10726. phy_index, link_config, phy->speed_cap_mask);
  10727. phy->req_duplex = DUPLEX_FULL;
  10728. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10729. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10730. phy->req_duplex = DUPLEX_HALF;
  10731. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10732. phy->req_line_speed = SPEED_10;
  10733. break;
  10734. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10735. phy->req_duplex = DUPLEX_HALF;
  10736. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10737. phy->req_line_speed = SPEED_100;
  10738. break;
  10739. case PORT_FEATURE_LINK_SPEED_1G:
  10740. phy->req_line_speed = SPEED_1000;
  10741. break;
  10742. case PORT_FEATURE_LINK_SPEED_2_5G:
  10743. phy->req_line_speed = SPEED_2500;
  10744. break;
  10745. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10746. phy->req_line_speed = SPEED_10000;
  10747. break;
  10748. default:
  10749. phy->req_line_speed = SPEED_AUTO_NEG;
  10750. break;
  10751. }
  10752. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10753. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10754. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10755. break;
  10756. case PORT_FEATURE_FLOW_CONTROL_TX:
  10757. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10758. break;
  10759. case PORT_FEATURE_FLOW_CONTROL_RX:
  10760. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10761. break;
  10762. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10763. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10764. break;
  10765. default:
  10766. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10767. break;
  10768. }
  10769. }
  10770. u32 bnx2x_phy_selection(struct link_params *params)
  10771. {
  10772. u32 phy_config_swapped, prio_cfg;
  10773. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10774. phy_config_swapped = params->multi_phy_config &
  10775. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10776. prio_cfg = params->multi_phy_config &
  10777. PORT_HW_CFG_PHY_SELECTION_MASK;
  10778. if (phy_config_swapped) {
  10779. switch (prio_cfg) {
  10780. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10781. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10782. break;
  10783. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10784. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10785. break;
  10786. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10787. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10788. break;
  10789. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10790. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10791. break;
  10792. }
  10793. } else
  10794. return_cfg = prio_cfg;
  10795. return return_cfg;
  10796. }
  10797. int bnx2x_phy_probe(struct link_params *params)
  10798. {
  10799. u8 phy_index, actual_phy_idx;
  10800. u32 phy_config_swapped, sync_offset, media_types;
  10801. struct bnx2x *bp = params->bp;
  10802. struct bnx2x_phy *phy;
  10803. params->num_phys = 0;
  10804. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10805. phy_config_swapped = params->multi_phy_config &
  10806. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10807. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10808. phy_index++) {
  10809. actual_phy_idx = phy_index;
  10810. if (phy_config_swapped) {
  10811. if (phy_index == EXT_PHY1)
  10812. actual_phy_idx = EXT_PHY2;
  10813. else if (phy_index == EXT_PHY2)
  10814. actual_phy_idx = EXT_PHY1;
  10815. }
  10816. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10817. " actual_phy_idx %x\n", phy_config_swapped,
  10818. phy_index, actual_phy_idx);
  10819. phy = &params->phy[actual_phy_idx];
  10820. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10821. params->shmem2_base, params->port,
  10822. phy) != 0) {
  10823. params->num_phys = 0;
  10824. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10825. phy_index);
  10826. for (phy_index = INT_PHY;
  10827. phy_index < MAX_PHYS;
  10828. phy_index++)
  10829. *phy = phy_null;
  10830. return -EINVAL;
  10831. }
  10832. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10833. break;
  10834. if (params->feature_config_flags &
  10835. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10836. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10837. if (!(params->feature_config_flags &
  10838. FEATURE_CONFIG_MT_SUPPORT))
  10839. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10840. sync_offset = params->shmem_base +
  10841. offsetof(struct shmem_region,
  10842. dev_info.port_hw_config[params->port].media_type);
  10843. media_types = REG_RD(bp, sync_offset);
  10844. /* Update media type for non-PMF sync only for the first time
  10845. * In case the media type changes afterwards, it will be updated
  10846. * using the update_status function
  10847. */
  10848. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10849. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10850. actual_phy_idx))) == 0) {
  10851. media_types |= ((phy->media_type &
  10852. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10853. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10854. actual_phy_idx));
  10855. }
  10856. REG_WR(bp, sync_offset, media_types);
  10857. bnx2x_phy_def_cfg(params, phy, phy_index);
  10858. params->num_phys++;
  10859. }
  10860. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10861. return 0;
  10862. }
  10863. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10864. struct link_vars *vars)
  10865. {
  10866. struct bnx2x *bp = params->bp;
  10867. vars->link_up = 1;
  10868. vars->line_speed = SPEED_10000;
  10869. vars->duplex = DUPLEX_FULL;
  10870. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10871. vars->mac_type = MAC_TYPE_BMAC;
  10872. vars->phy_flags = PHY_XGXS_FLAG;
  10873. bnx2x_xgxs_deassert(params);
  10874. /* set bmac loopback */
  10875. bnx2x_bmac_enable(params, vars, 1, 1);
  10876. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10877. }
  10878. static void bnx2x_init_emac_loopback(struct link_params *params,
  10879. struct link_vars *vars)
  10880. {
  10881. struct bnx2x *bp = params->bp;
  10882. vars->link_up = 1;
  10883. vars->line_speed = SPEED_1000;
  10884. vars->duplex = DUPLEX_FULL;
  10885. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10886. vars->mac_type = MAC_TYPE_EMAC;
  10887. vars->phy_flags = PHY_XGXS_FLAG;
  10888. bnx2x_xgxs_deassert(params);
  10889. /* set bmac loopback */
  10890. bnx2x_emac_enable(params, vars, 1);
  10891. bnx2x_emac_program(params, vars);
  10892. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10893. }
  10894. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10895. struct link_vars *vars)
  10896. {
  10897. struct bnx2x *bp = params->bp;
  10898. vars->link_up = 1;
  10899. if (!params->req_line_speed[0])
  10900. vars->line_speed = SPEED_10000;
  10901. else
  10902. vars->line_speed = params->req_line_speed[0];
  10903. vars->duplex = DUPLEX_FULL;
  10904. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10905. vars->mac_type = MAC_TYPE_XMAC;
  10906. vars->phy_flags = PHY_XGXS_FLAG;
  10907. /* Set WC to loopback mode since link is required to provide clock
  10908. * to the XMAC in 20G mode
  10909. */
  10910. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10911. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10912. params->phy[INT_PHY].config_loopback(
  10913. &params->phy[INT_PHY],
  10914. params);
  10915. bnx2x_xmac_enable(params, vars, 1);
  10916. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10917. }
  10918. static void bnx2x_init_umac_loopback(struct link_params *params,
  10919. struct link_vars *vars)
  10920. {
  10921. struct bnx2x *bp = params->bp;
  10922. vars->link_up = 1;
  10923. vars->line_speed = SPEED_1000;
  10924. vars->duplex = DUPLEX_FULL;
  10925. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10926. vars->mac_type = MAC_TYPE_UMAC;
  10927. vars->phy_flags = PHY_XGXS_FLAG;
  10928. bnx2x_umac_enable(params, vars, 1);
  10929. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10930. }
  10931. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10932. struct link_vars *vars)
  10933. {
  10934. struct bnx2x *bp = params->bp;
  10935. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10936. vars->link_up = 1;
  10937. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10938. vars->duplex = DUPLEX_FULL;
  10939. if (params->req_line_speed[0] == SPEED_1000)
  10940. vars->line_speed = SPEED_1000;
  10941. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10942. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10943. vars->line_speed = SPEED_20000;
  10944. else
  10945. vars->line_speed = SPEED_10000;
  10946. if (!USES_WARPCORE(bp))
  10947. bnx2x_xgxs_deassert(params);
  10948. bnx2x_link_initialize(params, vars);
  10949. if (params->req_line_speed[0] == SPEED_1000) {
  10950. if (USES_WARPCORE(bp))
  10951. bnx2x_umac_enable(params, vars, 0);
  10952. else {
  10953. bnx2x_emac_program(params, vars);
  10954. bnx2x_emac_enable(params, vars, 0);
  10955. }
  10956. } else {
  10957. if (USES_WARPCORE(bp))
  10958. bnx2x_xmac_enable(params, vars, 0);
  10959. else
  10960. bnx2x_bmac_enable(params, vars, 0, 1);
  10961. }
  10962. if (params->loopback_mode == LOOPBACK_XGXS) {
  10963. /* Set 10G XGXS loopback */
  10964. int_phy->config_loopback(int_phy, params);
  10965. } else {
  10966. /* Set external phy loopback */
  10967. u8 phy_index;
  10968. for (phy_index = EXT_PHY1;
  10969. phy_index < params->num_phys; phy_index++)
  10970. if (params->phy[phy_index].config_loopback)
  10971. params->phy[phy_index].config_loopback(
  10972. &params->phy[phy_index],
  10973. params);
  10974. }
  10975. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10976. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10977. }
  10978. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10979. {
  10980. struct bnx2x *bp = params->bp;
  10981. u8 val = en * 0x1F;
  10982. /* Open / close the gate between the NIG and the BRB */
  10983. if (!CHIP_IS_E1x(bp))
  10984. val |= en * 0x20;
  10985. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10986. if (!CHIP_IS_E1(bp)) {
  10987. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10988. en*0x3);
  10989. }
  10990. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10991. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10992. }
  10993. static int bnx2x_avoid_link_flap(struct link_params *params,
  10994. struct link_vars *vars)
  10995. {
  10996. u32 phy_idx;
  10997. u32 dont_clear_stat, lfa_sts;
  10998. struct bnx2x *bp = params->bp;
  10999. /* Sync the link parameters */
  11000. bnx2x_link_status_update(params, vars);
  11001. /*
  11002. * The module verification was already done by previous link owner,
  11003. * so this call is meant only to get warning message
  11004. */
  11005. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  11006. struct bnx2x_phy *phy = &params->phy[phy_idx];
  11007. if (phy->phy_specific_func) {
  11008. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  11009. phy->phy_specific_func(phy, params, PHY_INIT);
  11010. }
  11011. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  11012. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  11013. (phy->media_type == ETH_PHY_DA_TWINAX))
  11014. bnx2x_verify_sfp_module(phy, params);
  11015. }
  11016. lfa_sts = REG_RD(bp, params->lfa_base +
  11017. offsetof(struct shmem_lfa,
  11018. lfa_sts));
  11019. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  11020. /* Re-enable the NIG/MAC */
  11021. if (CHIP_IS_E3(bp)) {
  11022. if (!dont_clear_stat) {
  11023. REG_WR(bp, GRCBASE_MISC +
  11024. MISC_REGISTERS_RESET_REG_2_CLEAR,
  11025. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11026. params->port));
  11027. REG_WR(bp, GRCBASE_MISC +
  11028. MISC_REGISTERS_RESET_REG_2_SET,
  11029. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  11030. params->port));
  11031. }
  11032. if (vars->line_speed < SPEED_10000)
  11033. bnx2x_umac_enable(params, vars, 0);
  11034. else
  11035. bnx2x_xmac_enable(params, vars, 0);
  11036. } else {
  11037. if (vars->line_speed < SPEED_10000)
  11038. bnx2x_emac_enable(params, vars, 0);
  11039. else
  11040. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  11041. }
  11042. /* Increment LFA count */
  11043. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  11044. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  11045. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  11046. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  11047. /* Clear link flap reason */
  11048. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11049. REG_WR(bp, params->lfa_base +
  11050. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11051. /* Disable NIG DRAIN */
  11052. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11053. /* Enable interrupts */
  11054. bnx2x_link_int_enable(params);
  11055. return 0;
  11056. }
  11057. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  11058. struct link_vars *vars,
  11059. int lfa_status)
  11060. {
  11061. u32 lfa_sts, cfg_idx, tmp_val;
  11062. struct bnx2x *bp = params->bp;
  11063. bnx2x_link_reset(params, vars, 1);
  11064. if (!params->lfa_base)
  11065. return;
  11066. /* Store the new link parameters */
  11067. REG_WR(bp, params->lfa_base +
  11068. offsetof(struct shmem_lfa, req_duplex),
  11069. params->req_duplex[0] | (params->req_duplex[1] << 16));
  11070. REG_WR(bp, params->lfa_base +
  11071. offsetof(struct shmem_lfa, req_flow_ctrl),
  11072. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11073. REG_WR(bp, params->lfa_base +
  11074. offsetof(struct shmem_lfa, req_line_speed),
  11075. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11076. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11077. REG_WR(bp, params->lfa_base +
  11078. offsetof(struct shmem_lfa,
  11079. speed_cap_mask[cfg_idx]),
  11080. params->speed_cap_mask[cfg_idx]);
  11081. }
  11082. tmp_val = REG_RD(bp, params->lfa_base +
  11083. offsetof(struct shmem_lfa, additional_config));
  11084. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11085. tmp_val |= params->req_fc_auto_adv;
  11086. REG_WR(bp, params->lfa_base +
  11087. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11088. lfa_sts = REG_RD(bp, params->lfa_base +
  11089. offsetof(struct shmem_lfa, lfa_sts));
  11090. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11091. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11092. /* Set link flap reason */
  11093. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11094. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11095. LFA_LINK_FLAP_REASON_OFFSET);
  11096. /* Increment link flap counter */
  11097. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11098. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11099. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11100. << LINK_FLAP_COUNT_OFFSET));
  11101. REG_WR(bp, params->lfa_base +
  11102. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11103. /* Proceed with regular link initialization */
  11104. }
  11105. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11106. {
  11107. int lfa_status;
  11108. struct bnx2x *bp = params->bp;
  11109. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11110. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11111. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11112. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11113. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11114. vars->link_status = 0;
  11115. vars->phy_link_up = 0;
  11116. vars->link_up = 0;
  11117. vars->line_speed = 0;
  11118. vars->duplex = DUPLEX_FULL;
  11119. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11120. vars->mac_type = MAC_TYPE_NONE;
  11121. vars->phy_flags = 0;
  11122. vars->check_kr2_recovery_cnt = 0;
  11123. params->link_flags = PHY_INITIALIZED;
  11124. /* Driver opens NIG-BRB filters */
  11125. bnx2x_set_rx_filter(params, 1);
  11126. /* Check if link flap can be avoided */
  11127. lfa_status = bnx2x_check_lfa(params);
  11128. if (lfa_status == 0) {
  11129. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11130. return bnx2x_avoid_link_flap(params, vars);
  11131. }
  11132. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11133. lfa_status);
  11134. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11135. /* Disable attentions */
  11136. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11137. (NIG_MASK_XGXS0_LINK_STATUS |
  11138. NIG_MASK_XGXS0_LINK10G |
  11139. NIG_MASK_SERDES0_LINK_STATUS |
  11140. NIG_MASK_MI_INT));
  11141. bnx2x_emac_init(params, vars);
  11142. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11143. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11144. if (params->num_phys == 0) {
  11145. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11146. return -EINVAL;
  11147. }
  11148. set_phy_vars(params, vars);
  11149. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11150. switch (params->loopback_mode) {
  11151. case LOOPBACK_BMAC:
  11152. bnx2x_init_bmac_loopback(params, vars);
  11153. break;
  11154. case LOOPBACK_EMAC:
  11155. bnx2x_init_emac_loopback(params, vars);
  11156. break;
  11157. case LOOPBACK_XMAC:
  11158. bnx2x_init_xmac_loopback(params, vars);
  11159. break;
  11160. case LOOPBACK_UMAC:
  11161. bnx2x_init_umac_loopback(params, vars);
  11162. break;
  11163. case LOOPBACK_XGXS:
  11164. case LOOPBACK_EXT_PHY:
  11165. bnx2x_init_xgxs_loopback(params, vars);
  11166. break;
  11167. default:
  11168. if (!CHIP_IS_E3(bp)) {
  11169. if (params->switch_cfg == SWITCH_CFG_10G)
  11170. bnx2x_xgxs_deassert(params);
  11171. else
  11172. bnx2x_serdes_deassert(bp, params->port);
  11173. }
  11174. bnx2x_link_initialize(params, vars);
  11175. msleep(30);
  11176. bnx2x_link_int_enable(params);
  11177. break;
  11178. }
  11179. bnx2x_update_mng(params, vars->link_status);
  11180. bnx2x_update_mng_eee(params, vars->eee_status);
  11181. return 0;
  11182. }
  11183. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11184. u8 reset_ext_phy)
  11185. {
  11186. struct bnx2x *bp = params->bp;
  11187. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11188. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11189. /* Disable attentions */
  11190. vars->link_status = 0;
  11191. bnx2x_update_mng(params, vars->link_status);
  11192. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11193. SHMEM_EEE_ACTIVE_BIT);
  11194. bnx2x_update_mng_eee(params, vars->eee_status);
  11195. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11196. (NIG_MASK_XGXS0_LINK_STATUS |
  11197. NIG_MASK_XGXS0_LINK10G |
  11198. NIG_MASK_SERDES0_LINK_STATUS |
  11199. NIG_MASK_MI_INT));
  11200. /* Activate nig drain */
  11201. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11202. /* Disable nig egress interface */
  11203. if (!CHIP_IS_E3(bp)) {
  11204. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11205. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11206. }
  11207. if (!CHIP_IS_E3(bp)) {
  11208. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11209. } else {
  11210. bnx2x_set_xmac_rxtx(params, 0);
  11211. bnx2x_set_umac_rxtx(params, 0);
  11212. }
  11213. /* Disable emac */
  11214. if (!CHIP_IS_E3(bp))
  11215. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11216. usleep_range(10000, 20000);
  11217. /* The PHY reset is controlled by GPIO 1
  11218. * Hold it as vars low
  11219. */
  11220. /* Clear link led */
  11221. bnx2x_set_mdio_emac_per_phy(bp, params);
  11222. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11223. if (reset_ext_phy) {
  11224. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11225. phy_index++) {
  11226. if (params->phy[phy_index].link_reset) {
  11227. bnx2x_set_aer_mmd(params,
  11228. &params->phy[phy_index]);
  11229. params->phy[phy_index].link_reset(
  11230. &params->phy[phy_index],
  11231. params);
  11232. }
  11233. if (params->phy[phy_index].flags &
  11234. FLAGS_REARM_LATCH_SIGNAL)
  11235. clear_latch_ind = 1;
  11236. }
  11237. }
  11238. if (clear_latch_ind) {
  11239. /* Clear latching indication */
  11240. bnx2x_rearm_latch_signal(bp, port, 0);
  11241. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11242. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11243. }
  11244. if (params->phy[INT_PHY].link_reset)
  11245. params->phy[INT_PHY].link_reset(
  11246. &params->phy[INT_PHY], params);
  11247. /* Disable nig ingress interface */
  11248. if (!CHIP_IS_E3(bp)) {
  11249. /* Reset BigMac */
  11250. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11251. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11252. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11253. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11254. } else {
  11255. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11256. bnx2x_set_xumac_nig(params, 0, 0);
  11257. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11258. MISC_REGISTERS_RESET_REG_2_XMAC)
  11259. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11260. XMAC_CTRL_REG_SOFT_RESET);
  11261. }
  11262. vars->link_up = 0;
  11263. vars->phy_flags = 0;
  11264. return 0;
  11265. }
  11266. int bnx2x_lfa_reset(struct link_params *params,
  11267. struct link_vars *vars)
  11268. {
  11269. struct bnx2x *bp = params->bp;
  11270. vars->link_up = 0;
  11271. vars->phy_flags = 0;
  11272. params->link_flags &= ~PHY_INITIALIZED;
  11273. if (!params->lfa_base)
  11274. return bnx2x_link_reset(params, vars, 1);
  11275. /*
  11276. * Activate NIG drain so that during this time the device won't send
  11277. * anything while it is unable to response.
  11278. */
  11279. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11280. /*
  11281. * Close gracefully the gate from BMAC to NIG such that no half packets
  11282. * are passed.
  11283. */
  11284. if (!CHIP_IS_E3(bp))
  11285. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11286. if (CHIP_IS_E3(bp)) {
  11287. bnx2x_set_xmac_rxtx(params, 0);
  11288. bnx2x_set_umac_rxtx(params, 0);
  11289. }
  11290. /* Wait 10ms for the pipe to clean up*/
  11291. usleep_range(10000, 20000);
  11292. /* Clean the NIG-BRB using the network filters in a way that will
  11293. * not cut a packet in the middle.
  11294. */
  11295. bnx2x_set_rx_filter(params, 0);
  11296. /*
  11297. * Re-open the gate between the BMAC and the NIG, after verifying the
  11298. * gate to the BRB is closed, otherwise packets may arrive to the
  11299. * firmware before driver had initialized it. The target is to achieve
  11300. * minimum management protocol down time.
  11301. */
  11302. if (!CHIP_IS_E3(bp))
  11303. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11304. if (CHIP_IS_E3(bp)) {
  11305. bnx2x_set_xmac_rxtx(params, 1);
  11306. bnx2x_set_umac_rxtx(params, 1);
  11307. }
  11308. /* Disable NIG drain */
  11309. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11310. return 0;
  11311. }
  11312. /****************************************************************************/
  11313. /* Common function */
  11314. /****************************************************************************/
  11315. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11316. u32 shmem_base_path[],
  11317. u32 shmem2_base_path[], u8 phy_index,
  11318. u32 chip_id)
  11319. {
  11320. struct bnx2x_phy phy[PORT_MAX];
  11321. struct bnx2x_phy *phy_blk[PORT_MAX];
  11322. u16 val;
  11323. s8 port = 0;
  11324. s8 port_of_path = 0;
  11325. u32 swap_val, swap_override;
  11326. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11327. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11328. port ^= (swap_val && swap_override);
  11329. bnx2x_ext_phy_hw_reset(bp, port);
  11330. /* PART1 - Reset both phys */
  11331. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11332. u32 shmem_base, shmem2_base;
  11333. /* In E2, same phy is using for port0 of the two paths */
  11334. if (CHIP_IS_E1x(bp)) {
  11335. shmem_base = shmem_base_path[0];
  11336. shmem2_base = shmem2_base_path[0];
  11337. port_of_path = port;
  11338. } else {
  11339. shmem_base = shmem_base_path[port];
  11340. shmem2_base = shmem2_base_path[port];
  11341. port_of_path = 0;
  11342. }
  11343. /* Extract the ext phy address for the port */
  11344. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11345. port_of_path, &phy[port]) !=
  11346. 0) {
  11347. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11348. return -EINVAL;
  11349. }
  11350. /* Disable attentions */
  11351. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11352. port_of_path*4,
  11353. (NIG_MASK_XGXS0_LINK_STATUS |
  11354. NIG_MASK_XGXS0_LINK10G |
  11355. NIG_MASK_SERDES0_LINK_STATUS |
  11356. NIG_MASK_MI_INT));
  11357. /* Need to take the phy out of low power mode in order
  11358. * to write to access its registers
  11359. */
  11360. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11361. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11362. port);
  11363. /* Reset the phy */
  11364. bnx2x_cl45_write(bp, &phy[port],
  11365. MDIO_PMA_DEVAD,
  11366. MDIO_PMA_REG_CTRL,
  11367. 1<<15);
  11368. }
  11369. /* Add delay of 150ms after reset */
  11370. msleep(150);
  11371. if (phy[PORT_0].addr & 0x1) {
  11372. phy_blk[PORT_0] = &(phy[PORT_1]);
  11373. phy_blk[PORT_1] = &(phy[PORT_0]);
  11374. } else {
  11375. phy_blk[PORT_0] = &(phy[PORT_0]);
  11376. phy_blk[PORT_1] = &(phy[PORT_1]);
  11377. }
  11378. /* PART2 - Download firmware to both phys */
  11379. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11380. if (CHIP_IS_E1x(bp))
  11381. port_of_path = port;
  11382. else
  11383. port_of_path = 0;
  11384. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11385. phy_blk[port]->addr);
  11386. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11387. port_of_path))
  11388. return -EINVAL;
  11389. /* Only set bit 10 = 1 (Tx power down) */
  11390. bnx2x_cl45_read(bp, phy_blk[port],
  11391. MDIO_PMA_DEVAD,
  11392. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11393. /* Phase1 of TX_POWER_DOWN reset */
  11394. bnx2x_cl45_write(bp, phy_blk[port],
  11395. MDIO_PMA_DEVAD,
  11396. MDIO_PMA_REG_TX_POWER_DOWN,
  11397. (val | 1<<10));
  11398. }
  11399. /* Toggle Transmitter: Power down and then up with 600ms delay
  11400. * between
  11401. */
  11402. msleep(600);
  11403. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11404. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11405. /* Phase2 of POWER_DOWN_RESET */
  11406. /* Release bit 10 (Release Tx power down) */
  11407. bnx2x_cl45_read(bp, phy_blk[port],
  11408. MDIO_PMA_DEVAD,
  11409. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11410. bnx2x_cl45_write(bp, phy_blk[port],
  11411. MDIO_PMA_DEVAD,
  11412. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11413. usleep_range(15000, 30000);
  11414. /* Read modify write the SPI-ROM version select register */
  11415. bnx2x_cl45_read(bp, phy_blk[port],
  11416. MDIO_PMA_DEVAD,
  11417. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11418. bnx2x_cl45_write(bp, phy_blk[port],
  11419. MDIO_PMA_DEVAD,
  11420. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11421. /* set GPIO2 back to LOW */
  11422. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11423. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11424. }
  11425. return 0;
  11426. }
  11427. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11428. u32 shmem_base_path[],
  11429. u32 shmem2_base_path[], u8 phy_index,
  11430. u32 chip_id)
  11431. {
  11432. u32 val;
  11433. s8 port;
  11434. struct bnx2x_phy phy;
  11435. /* Use port1 because of the static port-swap */
  11436. /* Enable the module detection interrupt */
  11437. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11438. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11439. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11440. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11441. bnx2x_ext_phy_hw_reset(bp, 0);
  11442. usleep_range(5000, 10000);
  11443. for (port = 0; port < PORT_MAX; port++) {
  11444. u32 shmem_base, shmem2_base;
  11445. /* In E2, same phy is using for port0 of the two paths */
  11446. if (CHIP_IS_E1x(bp)) {
  11447. shmem_base = shmem_base_path[0];
  11448. shmem2_base = shmem2_base_path[0];
  11449. } else {
  11450. shmem_base = shmem_base_path[port];
  11451. shmem2_base = shmem2_base_path[port];
  11452. }
  11453. /* Extract the ext phy address for the port */
  11454. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11455. port, &phy) !=
  11456. 0) {
  11457. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11458. return -EINVAL;
  11459. }
  11460. /* Reset phy*/
  11461. bnx2x_cl45_write(bp, &phy,
  11462. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11463. /* Set fault module detected LED on */
  11464. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11465. MISC_REGISTERS_GPIO_HIGH,
  11466. port);
  11467. }
  11468. return 0;
  11469. }
  11470. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11471. u8 *io_gpio, u8 *io_port)
  11472. {
  11473. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11474. offsetof(struct shmem_region,
  11475. dev_info.port_hw_config[PORT_0].default_cfg));
  11476. switch (phy_gpio_reset) {
  11477. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11478. *io_gpio = 0;
  11479. *io_port = 0;
  11480. break;
  11481. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11482. *io_gpio = 1;
  11483. *io_port = 0;
  11484. break;
  11485. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11486. *io_gpio = 2;
  11487. *io_port = 0;
  11488. break;
  11489. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11490. *io_gpio = 3;
  11491. *io_port = 0;
  11492. break;
  11493. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11494. *io_gpio = 0;
  11495. *io_port = 1;
  11496. break;
  11497. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11498. *io_gpio = 1;
  11499. *io_port = 1;
  11500. break;
  11501. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11502. *io_gpio = 2;
  11503. *io_port = 1;
  11504. break;
  11505. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11506. *io_gpio = 3;
  11507. *io_port = 1;
  11508. break;
  11509. default:
  11510. /* Don't override the io_gpio and io_port */
  11511. break;
  11512. }
  11513. }
  11514. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11515. u32 shmem_base_path[],
  11516. u32 shmem2_base_path[], u8 phy_index,
  11517. u32 chip_id)
  11518. {
  11519. s8 port, reset_gpio;
  11520. u32 swap_val, swap_override;
  11521. struct bnx2x_phy phy[PORT_MAX];
  11522. struct bnx2x_phy *phy_blk[PORT_MAX];
  11523. s8 port_of_path;
  11524. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11525. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11526. reset_gpio = MISC_REGISTERS_GPIO_1;
  11527. port = 1;
  11528. /* Retrieve the reset gpio/port which control the reset.
  11529. * Default is GPIO1, PORT1
  11530. */
  11531. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11532. (u8 *)&reset_gpio, (u8 *)&port);
  11533. /* Calculate the port based on port swap */
  11534. port ^= (swap_val && swap_override);
  11535. /* Initiate PHY reset*/
  11536. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11537. port);
  11538. usleep_range(1000, 2000);
  11539. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11540. port);
  11541. usleep_range(5000, 10000);
  11542. /* PART1 - Reset both phys */
  11543. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11544. u32 shmem_base, shmem2_base;
  11545. /* In E2, same phy is using for port0 of the two paths */
  11546. if (CHIP_IS_E1x(bp)) {
  11547. shmem_base = shmem_base_path[0];
  11548. shmem2_base = shmem2_base_path[0];
  11549. port_of_path = port;
  11550. } else {
  11551. shmem_base = shmem_base_path[port];
  11552. shmem2_base = shmem2_base_path[port];
  11553. port_of_path = 0;
  11554. }
  11555. /* Extract the ext phy address for the port */
  11556. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11557. port_of_path, &phy[port]) !=
  11558. 0) {
  11559. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11560. return -EINVAL;
  11561. }
  11562. /* disable attentions */
  11563. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11564. port_of_path*4,
  11565. (NIG_MASK_XGXS0_LINK_STATUS |
  11566. NIG_MASK_XGXS0_LINK10G |
  11567. NIG_MASK_SERDES0_LINK_STATUS |
  11568. NIG_MASK_MI_INT));
  11569. /* Reset the phy */
  11570. bnx2x_cl45_write(bp, &phy[port],
  11571. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11572. }
  11573. /* Add delay of 150ms after reset */
  11574. msleep(150);
  11575. if (phy[PORT_0].addr & 0x1) {
  11576. phy_blk[PORT_0] = &(phy[PORT_1]);
  11577. phy_blk[PORT_1] = &(phy[PORT_0]);
  11578. } else {
  11579. phy_blk[PORT_0] = &(phy[PORT_0]);
  11580. phy_blk[PORT_1] = &(phy[PORT_1]);
  11581. }
  11582. /* PART2 - Download firmware to both phys */
  11583. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11584. if (CHIP_IS_E1x(bp))
  11585. port_of_path = port;
  11586. else
  11587. port_of_path = 0;
  11588. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11589. phy_blk[port]->addr);
  11590. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11591. port_of_path))
  11592. return -EINVAL;
  11593. /* Disable PHY transmitter output */
  11594. bnx2x_cl45_write(bp, phy_blk[port],
  11595. MDIO_PMA_DEVAD,
  11596. MDIO_PMA_REG_TX_DISABLE, 1);
  11597. }
  11598. return 0;
  11599. }
  11600. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11601. u32 shmem_base_path[],
  11602. u32 shmem2_base_path[],
  11603. u8 phy_index,
  11604. u32 chip_id)
  11605. {
  11606. u8 reset_gpios;
  11607. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11608. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11609. udelay(10);
  11610. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11611. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11612. reset_gpios);
  11613. return 0;
  11614. }
  11615. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11616. u32 shmem2_base_path[], u8 phy_index,
  11617. u32 ext_phy_type, u32 chip_id)
  11618. {
  11619. int rc = 0;
  11620. switch (ext_phy_type) {
  11621. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11622. rc = bnx2x_8073_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_BCM8722:
  11627. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11628. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11629. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11630. shmem2_base_path,
  11631. phy_index, chip_id);
  11632. break;
  11633. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11634. /* GPIO1 affects both ports, so there's need to pull
  11635. * it for single port alone
  11636. */
  11637. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11638. shmem2_base_path,
  11639. phy_index, chip_id);
  11640. break;
  11641. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11642. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11643. /* GPIO3's are linked, and so both need to be toggled
  11644. * to obtain required 2us pulse.
  11645. */
  11646. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11647. shmem2_base_path,
  11648. phy_index, chip_id);
  11649. break;
  11650. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11651. rc = -EINVAL;
  11652. break;
  11653. default:
  11654. DP(NETIF_MSG_LINK,
  11655. "ext_phy 0x%x common init not required\n",
  11656. ext_phy_type);
  11657. break;
  11658. }
  11659. if (rc)
  11660. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11661. " Port %d\n",
  11662. 0);
  11663. return rc;
  11664. }
  11665. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11666. u32 shmem2_base_path[], u32 chip_id)
  11667. {
  11668. int rc = 0;
  11669. u32 phy_ver, val;
  11670. u8 phy_index = 0;
  11671. u32 ext_phy_type, ext_phy_config;
  11672. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11673. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11674. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11675. if (CHIP_IS_E3(bp)) {
  11676. /* Enable EPIO */
  11677. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11678. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11679. }
  11680. /* Check if common init was already done */
  11681. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11682. offsetof(struct shmem_region,
  11683. port_mb[PORT_0].ext_phy_fw_version));
  11684. if (phy_ver) {
  11685. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11686. phy_ver);
  11687. return 0;
  11688. }
  11689. /* Read the ext_phy_type for arbitrary port(0) */
  11690. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11691. phy_index++) {
  11692. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11693. shmem_base_path[0],
  11694. phy_index, 0);
  11695. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11696. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11697. shmem2_base_path,
  11698. phy_index, ext_phy_type,
  11699. chip_id);
  11700. }
  11701. return rc;
  11702. }
  11703. static void bnx2x_check_over_curr(struct link_params *params,
  11704. struct link_vars *vars)
  11705. {
  11706. struct bnx2x *bp = params->bp;
  11707. u32 cfg_pin;
  11708. u8 port = params->port;
  11709. u32 pin_val;
  11710. cfg_pin = (REG_RD(bp, params->shmem_base +
  11711. offsetof(struct shmem_region,
  11712. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11713. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11714. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11715. /* Ignore check if no external input PIN available */
  11716. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11717. return;
  11718. if (!pin_val) {
  11719. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11720. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11721. " been detected and the power to "
  11722. "that SFP+ module has been removed"
  11723. " to prevent failure of the card."
  11724. " Please remove the SFP+ module and"
  11725. " restart the system to clear this"
  11726. " error.\n",
  11727. params->port);
  11728. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11729. bnx2x_warpcore_power_module(params, 0);
  11730. }
  11731. } else
  11732. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11733. }
  11734. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11735. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11736. struct link_vars *vars, u32 status,
  11737. u32 phy_flag, u32 link_flag, u8 notify)
  11738. {
  11739. struct bnx2x *bp = params->bp;
  11740. /* Compare new value with previous value */
  11741. u8 led_mode;
  11742. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11743. if ((status ^ old_status) == 0)
  11744. return 0;
  11745. /* If values differ */
  11746. switch (phy_flag) {
  11747. case PHY_HALF_OPEN_CONN_FLAG:
  11748. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11749. break;
  11750. case PHY_SFP_TX_FAULT_FLAG:
  11751. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11752. break;
  11753. default:
  11754. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11755. }
  11756. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11757. old_status, status);
  11758. /* a. Update shmem->link_status accordingly
  11759. * b. Update link_vars->link_up
  11760. */
  11761. if (status) {
  11762. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11763. vars->link_status |= link_flag;
  11764. vars->link_up = 0;
  11765. vars->phy_flags |= phy_flag;
  11766. /* activate nig drain */
  11767. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11768. /* Set LED mode to off since the PHY doesn't know about these
  11769. * errors
  11770. */
  11771. led_mode = LED_MODE_OFF;
  11772. } else {
  11773. vars->link_status |= LINK_STATUS_LINK_UP;
  11774. vars->link_status &= ~link_flag;
  11775. vars->link_up = 1;
  11776. vars->phy_flags &= ~phy_flag;
  11777. led_mode = LED_MODE_OPER;
  11778. /* Clear nig drain */
  11779. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11780. }
  11781. bnx2x_sync_link(params, vars);
  11782. /* Update the LED according to the link state */
  11783. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11784. /* Update link status in the shared memory */
  11785. bnx2x_update_mng(params, vars->link_status);
  11786. /* C. Trigger General Attention */
  11787. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11788. if (notify)
  11789. bnx2x_notify_link_changed(bp);
  11790. return 1;
  11791. }
  11792. /******************************************************************************
  11793. * Description:
  11794. * This function checks for half opened connection change indication.
  11795. * When such change occurs, it calls the bnx2x_analyze_link_error
  11796. * to check if Remote Fault is set or cleared. Reception of remote fault
  11797. * status message in the MAC indicates that the peer's MAC has detected
  11798. * a fault, for example, due to break in the TX side of fiber.
  11799. *
  11800. ******************************************************************************/
  11801. int bnx2x_check_half_open_conn(struct link_params *params,
  11802. struct link_vars *vars,
  11803. u8 notify)
  11804. {
  11805. struct bnx2x *bp = params->bp;
  11806. u32 lss_status = 0;
  11807. u32 mac_base;
  11808. /* In case link status is physically up @ 10G do */
  11809. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11810. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11811. return 0;
  11812. if (CHIP_IS_E3(bp) &&
  11813. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11814. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11815. /* Check E3 XMAC */
  11816. /* Note that link speed cannot be queried here, since it may be
  11817. * zero while link is down. In case UMAC is active, LSS will
  11818. * simply not be set
  11819. */
  11820. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11821. /* Clear stick bits (Requires rising edge) */
  11822. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11823. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11824. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11825. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11826. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11827. lss_status = 1;
  11828. bnx2x_analyze_link_error(params, vars, lss_status,
  11829. PHY_HALF_OPEN_CONN_FLAG,
  11830. LINK_STATUS_NONE, notify);
  11831. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11832. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11833. /* Check E1X / E2 BMAC */
  11834. u32 lss_status_reg;
  11835. u32 wb_data[2];
  11836. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11837. NIG_REG_INGRESS_BMAC0_MEM;
  11838. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11839. if (CHIP_IS_E2(bp))
  11840. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11841. else
  11842. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11843. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11844. lss_status = (wb_data[0] > 0);
  11845. bnx2x_analyze_link_error(params, vars, lss_status,
  11846. PHY_HALF_OPEN_CONN_FLAG,
  11847. LINK_STATUS_NONE, notify);
  11848. }
  11849. return 0;
  11850. }
  11851. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11852. struct link_params *params,
  11853. struct link_vars *vars)
  11854. {
  11855. struct bnx2x *bp = params->bp;
  11856. u32 cfg_pin, value = 0;
  11857. u8 led_change, port = params->port;
  11858. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11859. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11860. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11861. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11862. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11863. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11864. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11865. return;
  11866. }
  11867. led_change = bnx2x_analyze_link_error(params, vars, value,
  11868. PHY_SFP_TX_FAULT_FLAG,
  11869. LINK_STATUS_SFP_TX_FAULT, 1);
  11870. if (led_change) {
  11871. /* Change TX_Fault led, set link status for further syncs */
  11872. u8 led_mode;
  11873. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11874. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11875. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11876. } else {
  11877. led_mode = MISC_REGISTERS_GPIO_LOW;
  11878. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11879. }
  11880. /* If module is unapproved, led should be on regardless */
  11881. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11882. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11883. led_mode);
  11884. bnx2x_set_e3_module_fault_led(params, led_mode);
  11885. }
  11886. }
  11887. }
  11888. static void bnx2x_disable_kr2(struct link_params *params,
  11889. struct link_vars *vars,
  11890. struct bnx2x_phy *phy)
  11891. {
  11892. struct bnx2x *bp = params->bp;
  11893. int i;
  11894. static struct bnx2x_reg_set reg_set[] = {
  11895. /* Step 1 - Program the TX/RX alignment markers */
  11896. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11897. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11898. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11899. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11900. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11901. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11902. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11903. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11904. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11905. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11906. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11907. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11908. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11909. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11910. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11911. };
  11912. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11913. for (i = 0; i < ARRAY_SIZE(reg_set); i++)
  11914. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11915. reg_set[i].val);
  11916. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11917. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11918. vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
  11919. /* Restart AN on leading lane */
  11920. bnx2x_warpcore_restart_AN_KR(phy, params);
  11921. }
  11922. static void bnx2x_kr2_recovery(struct link_params *params,
  11923. struct link_vars *vars,
  11924. struct bnx2x_phy *phy)
  11925. {
  11926. struct bnx2x *bp = params->bp;
  11927. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11928. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11929. bnx2x_warpcore_restart_AN_KR(phy, params);
  11930. }
  11931. static void bnx2x_check_kr2_wa(struct link_params *params,
  11932. struct link_vars *vars,
  11933. struct bnx2x_phy *phy)
  11934. {
  11935. struct bnx2x *bp = params->bp;
  11936. u16 base_page, next_page, not_kr2_device, lane;
  11937. int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11938. if (!sigdet) {
  11939. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11940. bnx2x_kr2_recovery(params, vars, phy);
  11941. return;
  11942. }
  11943. /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
  11944. * since some switches tend to reinit the AN process and clear the
  11945. * advertised BP/NP after ~2 seconds causing the KR2 to be disabled
  11946. * and recovered many times
  11947. */
  11948. if (vars->check_kr2_recovery_cnt > 0) {
  11949. vars->check_kr2_recovery_cnt--;
  11950. return;
  11951. }
  11952. lane = bnx2x_get_warpcore_lane(phy, params);
  11953. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11954. MDIO_AER_BLOCK_AER_REG, lane);
  11955. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11956. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  11957. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11958. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  11959. bnx2x_set_aer_mmd(params, phy);
  11960. /* CL73 has not begun yet */
  11961. if (base_page == 0) {
  11962. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11963. bnx2x_kr2_recovery(params, vars, phy);
  11964. return;
  11965. }
  11966. /* In case NP bit is not set in the BasePage, or it is set,
  11967. * but only KX is advertised, declare this link partner as non-KR2
  11968. * device.
  11969. */
  11970. not_kr2_device = (((base_page & 0x8000) == 0) ||
  11971. (((base_page & 0x8000) &&
  11972. ((next_page & 0xe0) == 0x2))));
  11973. /* In case KR2 is already disabled, check if we need to re-enable it */
  11974. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11975. if (!not_kr2_device) {
  11976. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  11977. next_page);
  11978. bnx2x_kr2_recovery(params, vars, phy);
  11979. }
  11980. return;
  11981. }
  11982. /* KR2 is enabled, but not KR2 device */
  11983. if (not_kr2_device) {
  11984. /* Disable KR2 on both lanes */
  11985. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  11986. bnx2x_disable_kr2(params, vars, phy);
  11987. return;
  11988. }
  11989. }
  11990. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11991. {
  11992. u16 phy_idx;
  11993. struct bnx2x *bp = params->bp;
  11994. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11995. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11996. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11997. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11998. 0)
  11999. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  12000. break;
  12001. }
  12002. }
  12003. if (CHIP_IS_E3(bp)) {
  12004. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  12005. bnx2x_set_aer_mmd(params, phy);
  12006. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  12007. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G))
  12008. bnx2x_check_kr2_wa(params, vars, phy);
  12009. bnx2x_check_over_curr(params, vars);
  12010. if (vars->rx_tx_asic_rst)
  12011. bnx2x_warpcore_config_runtime(phy, params, vars);
  12012. if ((REG_RD(bp, params->shmem_base +
  12013. offsetof(struct shmem_region, dev_info.
  12014. port_hw_config[params->port].default_cfg))
  12015. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  12016. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  12017. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  12018. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  12019. } else if (vars->link_status &
  12020. LINK_STATUS_SFP_TX_FAULT) {
  12021. /* Clean trail, interrupt corrects the leds */
  12022. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  12023. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  12024. /* Update link status in the shared memory */
  12025. bnx2x_update_mng(params, vars->link_status);
  12026. }
  12027. }
  12028. }
  12029. }
  12030. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12031. u32 shmem_base,
  12032. u32 shmem2_base,
  12033. u8 port)
  12034. {
  12035. u8 phy_index, fan_failure_det_req = 0;
  12036. struct bnx2x_phy phy;
  12037. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12038. phy_index++) {
  12039. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12040. port, &phy)
  12041. != 0) {
  12042. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12043. return 0;
  12044. }
  12045. fan_failure_det_req |= (phy.flags &
  12046. FLAGS_FAN_FAILURE_DET_REQ);
  12047. }
  12048. return fan_failure_det_req;
  12049. }
  12050. void bnx2x_hw_reset_phy(struct link_params *params)
  12051. {
  12052. u8 phy_index;
  12053. struct bnx2x *bp = params->bp;
  12054. bnx2x_update_mng(params, 0);
  12055. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12056. (NIG_MASK_XGXS0_LINK_STATUS |
  12057. NIG_MASK_XGXS0_LINK10G |
  12058. NIG_MASK_SERDES0_LINK_STATUS |
  12059. NIG_MASK_MI_INT));
  12060. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12061. phy_index++) {
  12062. if (params->phy[phy_index].hw_reset) {
  12063. params->phy[phy_index].hw_reset(
  12064. &params->phy[phy_index],
  12065. params);
  12066. params->phy[phy_index] = phy_null;
  12067. }
  12068. }
  12069. }
  12070. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12071. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12072. u8 port)
  12073. {
  12074. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12075. u32 val;
  12076. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12077. if (CHIP_IS_E3(bp)) {
  12078. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12079. shmem_base,
  12080. port,
  12081. &gpio_num,
  12082. &gpio_port) != 0)
  12083. return;
  12084. } else {
  12085. struct bnx2x_phy phy;
  12086. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12087. phy_index++) {
  12088. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12089. shmem2_base, port, &phy)
  12090. != 0) {
  12091. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12092. return;
  12093. }
  12094. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12095. gpio_num = MISC_REGISTERS_GPIO_3;
  12096. gpio_port = port;
  12097. break;
  12098. }
  12099. }
  12100. }
  12101. if (gpio_num == 0xff)
  12102. return;
  12103. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12104. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12105. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12106. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12107. gpio_port ^= (swap_val && swap_override);
  12108. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12109. (gpio_num + (gpio_port << 2));
  12110. sync_offset = shmem_base +
  12111. offsetof(struct shmem_region,
  12112. dev_info.port_hw_config[port].aeu_int_mask);
  12113. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12114. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12115. gpio_num, gpio_port, vars->aeu_int_mask);
  12116. if (port == 0)
  12117. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12118. else
  12119. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12120. /* Open appropriate AEU for interrupts */
  12121. aeu_mask = REG_RD(bp, offset);
  12122. aeu_mask |= vars->aeu_int_mask;
  12123. REG_WR(bp, offset, aeu_mask);
  12124. /* Enable the GPIO to trigger interrupt */
  12125. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12126. val |= 1 << (gpio_num + (gpio_port << 2));
  12127. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12128. }