bnx2x_link.c 385 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  128. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  129. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  130. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  131. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  132. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  133. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  134. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  136. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  137. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  138. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  139. #define SFP_EEPROM_OPTIONS_SIZE 2
  140. #define EDC_MODE_LINEAR 0x0022
  141. #define EDC_MODE_LIMITING 0x0044
  142. #define EDC_MODE_PASSIVE_DAC 0x0055
  143. /* ETS defines*/
  144. #define DCBX_INVALID_COS (0xFF)
  145. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  146. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  147. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  148. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  149. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  150. #define MAX_PACKET_SIZE (9700)
  151. #define MAX_KR_LINK_RETRY 4
  152. /**********************************************************/
  153. /* INTERFACE */
  154. /**********************************************************/
  155. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  156. bnx2x_cl45_write(_bp, _phy, \
  157. (_phy)->def_md_devad, \
  158. (_bank + (_addr & 0xf)), \
  159. _val)
  160. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  161. bnx2x_cl45_read(_bp, _phy, \
  162. (_phy)->def_md_devad, \
  163. (_bank + (_addr & 0xf)), \
  164. _val)
  165. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  166. {
  167. u32 val = REG_RD(bp, reg);
  168. val |= bits;
  169. REG_WR(bp, reg, val);
  170. return val;
  171. }
  172. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  173. {
  174. u32 val = REG_RD(bp, reg);
  175. val &= ~bits;
  176. REG_WR(bp, reg, val);
  177. return val;
  178. }
  179. /*
  180. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  181. * or link flap can be avoided.
  182. *
  183. * @params: link parameters
  184. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  185. * condition code.
  186. */
  187. static int bnx2x_check_lfa(struct link_params *params)
  188. {
  189. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  190. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  191. u32 saved_val, req_val, eee_status;
  192. struct bnx2x *bp = params->bp;
  193. additional_config =
  194. REG_RD(bp, params->lfa_base +
  195. offsetof(struct shmem_lfa, additional_config));
  196. /* NOTE: must be first condition checked -
  197. * to verify DCC bit is cleared in any case!
  198. */
  199. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  200. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  201. REG_WR(bp, params->lfa_base +
  202. offsetof(struct shmem_lfa, additional_config),
  203. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  204. return LFA_DCC_LFA_DISABLED;
  205. }
  206. /* Verify that link is up */
  207. link_status = REG_RD(bp, params->shmem_base +
  208. offsetof(struct shmem_region,
  209. port_mb[params->port].link_status));
  210. if (!(link_status & LINK_STATUS_LINK_UP))
  211. return LFA_LINK_DOWN;
  212. /* Verify that loopback mode is not set */
  213. if (params->loopback_mode)
  214. return LFA_LOOPBACK_ENABLED;
  215. /* Verify that MFW supports LFA */
  216. if (!params->lfa_base)
  217. return LFA_MFW_IS_TOO_OLD;
  218. if (params->num_phys == 3) {
  219. cfg_size = 2;
  220. lfa_mask = 0xffffffff;
  221. } else {
  222. cfg_size = 1;
  223. lfa_mask = 0xffff;
  224. }
  225. /* Compare Duplex */
  226. saved_val = REG_RD(bp, params->lfa_base +
  227. offsetof(struct shmem_lfa, req_duplex));
  228. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  229. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  230. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  231. (saved_val & lfa_mask), (req_val & lfa_mask));
  232. return LFA_DUPLEX_MISMATCH;
  233. }
  234. /* Compare Flow Control */
  235. saved_val = REG_RD(bp, params->lfa_base +
  236. offsetof(struct shmem_lfa, req_flow_ctrl));
  237. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  238. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  239. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  240. (saved_val & lfa_mask), (req_val & lfa_mask));
  241. return LFA_FLOW_CTRL_MISMATCH;
  242. }
  243. /* Compare Link Speed */
  244. saved_val = REG_RD(bp, params->lfa_base +
  245. offsetof(struct shmem_lfa, req_line_speed));
  246. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  247. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  248. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  249. (saved_val & lfa_mask), (req_val & lfa_mask));
  250. return LFA_LINK_SPEED_MISMATCH;
  251. }
  252. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  253. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  254. offsetof(struct shmem_lfa,
  255. speed_cap_mask[cfg_idx]));
  256. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  257. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  258. cur_speed_cap_mask,
  259. params->speed_cap_mask[cfg_idx]);
  260. return LFA_SPEED_CAP_MISMATCH;
  261. }
  262. }
  263. cur_req_fc_auto_adv =
  264. REG_RD(bp, params->lfa_base +
  265. offsetof(struct shmem_lfa, additional_config)) &
  266. REQ_FC_AUTO_ADV_MASK;
  267. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  268. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  269. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  270. return LFA_FLOW_CTRL_MISMATCH;
  271. }
  272. eee_status = REG_RD(bp, params->shmem2_base +
  273. offsetof(struct shmem2_region,
  274. eee_status[params->port]));
  275. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  276. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  277. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  278. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  279. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  280. eee_status);
  281. return LFA_EEE_MISMATCH;
  282. }
  283. /* LFA conditions are met */
  284. return 0;
  285. }
  286. /******************************************************************/
  287. /* EPIO/GPIO section */
  288. /******************************************************************/
  289. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  290. {
  291. u32 epio_mask, gp_oenable;
  292. *en = 0;
  293. /* Sanity check */
  294. if (epio_pin > 31) {
  295. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  296. return;
  297. }
  298. epio_mask = 1 << epio_pin;
  299. /* Set this EPIO to output */
  300. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  301. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  302. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  303. }
  304. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  305. {
  306. u32 epio_mask, gp_output, gp_oenable;
  307. /* Sanity check */
  308. if (epio_pin > 31) {
  309. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  310. return;
  311. }
  312. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  313. epio_mask = 1 << epio_pin;
  314. /* Set this EPIO to output */
  315. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  316. if (en)
  317. gp_output |= epio_mask;
  318. else
  319. gp_output &= ~epio_mask;
  320. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  321. /* Set the value for this EPIO */
  322. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  323. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  324. }
  325. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  326. {
  327. if (pin_cfg == PIN_CFG_NA)
  328. return;
  329. if (pin_cfg >= PIN_CFG_EPIO0) {
  330. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  331. } else {
  332. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  333. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  334. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  335. }
  336. }
  337. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  338. {
  339. if (pin_cfg == PIN_CFG_NA)
  340. return -EINVAL;
  341. if (pin_cfg >= PIN_CFG_EPIO0) {
  342. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  343. } else {
  344. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  345. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  346. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  347. }
  348. return 0;
  349. }
  350. /******************************************************************/
  351. /* ETS section */
  352. /******************************************************************/
  353. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  354. {
  355. /* ETS disabled configuration*/
  356. struct bnx2x *bp = params->bp;
  357. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  358. /* mapping between entry priority to client number (0,1,2 -debug and
  359. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  360. * 3bits client num.
  361. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  362. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  363. */
  364. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  365. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  366. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  367. * COS0 entry, 4 - COS1 entry.
  368. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  369. * bit4 bit3 bit2 bit1 bit0
  370. * MCP and debug are strict
  371. */
  372. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  373. /* defines which entries (clients) are subjected to WFQ arbitration */
  374. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  375. /* For strict priority entries defines the number of consecutive
  376. * slots for the highest priority.
  377. */
  378. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  379. /* mapping between the CREDIT_WEIGHT registers and actual client
  380. * numbers
  381. */
  382. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  383. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  384. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  385. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  386. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  387. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  388. /* ETS mode disable */
  389. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  390. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  391. * weight for COS0/COS1.
  392. */
  393. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  394. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  395. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  396. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  397. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  398. /* Defines the number of consecutive slots for the strict priority */
  399. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  400. }
  401. /******************************************************************************
  402. * Description:
  403. * Getting min_w_val will be set according to line speed .
  404. *.
  405. ******************************************************************************/
  406. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  407. {
  408. u32 min_w_val = 0;
  409. /* Calculate min_w_val.*/
  410. if (vars->link_up) {
  411. if (vars->line_speed == SPEED_20000)
  412. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  413. else
  414. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  415. } else
  416. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  417. /* If the link isn't up (static configuration for example ) The
  418. * link will be according to 20GBPS.
  419. */
  420. return min_w_val;
  421. }
  422. /******************************************************************************
  423. * Description:
  424. * Getting credit upper bound form min_w_val.
  425. *.
  426. ******************************************************************************/
  427. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  428. {
  429. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  430. MAX_PACKET_SIZE);
  431. return credit_upper_bound;
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Set credit upper bound for NIG.
  436. *.
  437. ******************************************************************************/
  438. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  439. const struct link_params *params,
  440. const u32 min_w_val)
  441. {
  442. struct bnx2x *bp = params->bp;
  443. const u8 port = params->port;
  444. const u32 credit_upper_bound =
  445. bnx2x_ets_get_credit_upper_bound(min_w_val);
  446. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  447. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  448. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  449. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  450. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  451. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  452. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  453. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  454. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  455. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  456. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  457. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  458. if (!port) {
  459. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  460. credit_upper_bound);
  461. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  462. credit_upper_bound);
  463. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  464. credit_upper_bound);
  465. }
  466. }
  467. /******************************************************************************
  468. * Description:
  469. * Will return the NIG ETS registers to init values.Except
  470. * credit_upper_bound.
  471. * That isn't used in this configuration (No WFQ is enabled) and will be
  472. * configured acording to spec
  473. *.
  474. ******************************************************************************/
  475. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  476. const struct link_vars *vars)
  477. {
  478. struct bnx2x *bp = params->bp;
  479. const u8 port = params->port;
  480. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  481. /* Mapping between entry priority to client number (0,1,2 -debug and
  482. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  483. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  484. * reset value or init tool
  485. */
  486. if (port) {
  487. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  488. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  489. } else {
  490. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  491. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  492. }
  493. /* For strict priority entries defines the number of consecutive
  494. * slots for the highest priority.
  495. */
  496. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  497. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  498. /* Mapping between the CREDIT_WEIGHT registers and actual client
  499. * numbers
  500. */
  501. if (port) {
  502. /*Port 1 has 6 COS*/
  503. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  504. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  505. } else {
  506. /*Port 0 has 9 COS*/
  507. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  508. 0x43210876);
  509. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  510. }
  511. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  512. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  513. * COS0 entry, 4 - COS1 entry.
  514. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  515. * bit4 bit3 bit2 bit1 bit0
  516. * MCP and debug are strict
  517. */
  518. if (port)
  519. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  520. else
  521. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  522. /* defines which entries (clients) are subjected to WFQ arbitration */
  523. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  524. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  525. /* Please notice the register address are note continuous and a
  526. * for here is note appropriate.In 2 port mode port0 only COS0-5
  527. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  528. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  529. * are never used for WFQ
  530. */
  531. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  532. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  533. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  534. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  535. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  536. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  537. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  538. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  539. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  540. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  541. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  542. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  543. if (!port) {
  544. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  545. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  546. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  547. }
  548. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  549. }
  550. /******************************************************************************
  551. * Description:
  552. * Set credit upper bound for PBF.
  553. *.
  554. ******************************************************************************/
  555. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  556. const struct link_params *params,
  557. const u32 min_w_val)
  558. {
  559. struct bnx2x *bp = params->bp;
  560. const u32 credit_upper_bound =
  561. bnx2x_ets_get_credit_upper_bound(min_w_val);
  562. const u8 port = params->port;
  563. u32 base_upper_bound = 0;
  564. u8 max_cos = 0;
  565. u8 i = 0;
  566. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  567. * port mode port1 has COS0-2 that can be used for WFQ.
  568. */
  569. if (!port) {
  570. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  571. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  572. } else {
  573. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  574. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  575. }
  576. for (i = 0; i < max_cos; i++)
  577. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  578. }
  579. /******************************************************************************
  580. * Description:
  581. * Will return the PBF ETS registers to init values.Except
  582. * credit_upper_bound.
  583. * That isn't used in this configuration (No WFQ is enabled) and will be
  584. * configured acording to spec
  585. *.
  586. ******************************************************************************/
  587. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  588. {
  589. struct bnx2x *bp = params->bp;
  590. const u8 port = params->port;
  591. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  592. u8 i = 0;
  593. u32 base_weight = 0;
  594. u8 max_cos = 0;
  595. /* Mapping between entry priority to client number 0 - COS0
  596. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  597. * TODO_ETS - Should be done by reset value or init tool
  598. */
  599. if (port)
  600. /* 0x688 (|011|0 10|00 1|000) */
  601. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  602. else
  603. /* (10 1|100 |011|0 10|00 1|000) */
  604. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  605. /* TODO_ETS - Should be done by reset value or init tool */
  606. if (port)
  607. /* 0x688 (|011|0 10|00 1|000)*/
  608. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  609. else
  610. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  611. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  612. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  613. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  614. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  615. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  616. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  617. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  618. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  619. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  620. */
  621. if (!port) {
  622. base_weight = PBF_REG_COS0_WEIGHT_P0;
  623. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  624. } else {
  625. base_weight = PBF_REG_COS0_WEIGHT_P1;
  626. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  627. }
  628. for (i = 0; i < max_cos; i++)
  629. REG_WR(bp, base_weight + (0x4 * i), 0);
  630. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  631. }
  632. /******************************************************************************
  633. * Description:
  634. * E3B0 disable will return basicly the values to init values.
  635. *.
  636. ******************************************************************************/
  637. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  638. const struct link_vars *vars)
  639. {
  640. struct bnx2x *bp = params->bp;
  641. if (!CHIP_IS_E3B0(bp)) {
  642. DP(NETIF_MSG_LINK,
  643. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  644. return -EINVAL;
  645. }
  646. bnx2x_ets_e3b0_nig_disabled(params, vars);
  647. bnx2x_ets_e3b0_pbf_disabled(params);
  648. return 0;
  649. }
  650. /******************************************************************************
  651. * Description:
  652. * Disable will return basicly the values to init values.
  653. *
  654. ******************************************************************************/
  655. int bnx2x_ets_disabled(struct link_params *params,
  656. struct link_vars *vars)
  657. {
  658. struct bnx2x *bp = params->bp;
  659. int bnx2x_status = 0;
  660. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  661. bnx2x_ets_e2e3a0_disabled(params);
  662. else if (CHIP_IS_E3B0(bp))
  663. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  664. else {
  665. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  666. return -EINVAL;
  667. }
  668. return bnx2x_status;
  669. }
  670. /******************************************************************************
  671. * Description
  672. * Set the COS mappimg to SP and BW until this point all the COS are not
  673. * set as SP or BW.
  674. ******************************************************************************/
  675. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  676. const struct bnx2x_ets_params *ets_params,
  677. const u8 cos_sp_bitmap,
  678. const u8 cos_bw_bitmap)
  679. {
  680. struct bnx2x *bp = params->bp;
  681. const u8 port = params->port;
  682. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  683. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  684. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  685. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  686. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  687. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  688. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  689. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  690. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  691. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  692. nig_cli_subject2wfq_bitmap);
  693. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  694. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  695. pbf_cli_subject2wfq_bitmap);
  696. return 0;
  697. }
  698. /******************************************************************************
  699. * Description:
  700. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  701. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  702. ******************************************************************************/
  703. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  704. const u8 cos_entry,
  705. const u32 min_w_val_nig,
  706. const u32 min_w_val_pbf,
  707. const u16 total_bw,
  708. const u8 bw,
  709. const u8 port)
  710. {
  711. u32 nig_reg_adress_crd_weight = 0;
  712. u32 pbf_reg_adress_crd_weight = 0;
  713. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  714. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  715. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  716. switch (cos_entry) {
  717. case 0:
  718. nig_reg_adress_crd_weight =
  719. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  720. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  721. pbf_reg_adress_crd_weight = (port) ?
  722. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  723. break;
  724. case 1:
  725. nig_reg_adress_crd_weight = (port) ?
  726. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  727. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  728. pbf_reg_adress_crd_weight = (port) ?
  729. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  730. break;
  731. case 2:
  732. nig_reg_adress_crd_weight = (port) ?
  733. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  734. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  735. pbf_reg_adress_crd_weight = (port) ?
  736. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  737. break;
  738. case 3:
  739. if (port)
  740. return -EINVAL;
  741. nig_reg_adress_crd_weight =
  742. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  743. pbf_reg_adress_crd_weight =
  744. PBF_REG_COS3_WEIGHT_P0;
  745. break;
  746. case 4:
  747. if (port)
  748. return -EINVAL;
  749. nig_reg_adress_crd_weight =
  750. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  751. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  752. break;
  753. case 5:
  754. if (port)
  755. return -EINVAL;
  756. nig_reg_adress_crd_weight =
  757. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  758. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  759. break;
  760. }
  761. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  762. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  763. return 0;
  764. }
  765. /******************************************************************************
  766. * Description:
  767. * Calculate the total BW.A value of 0 isn't legal.
  768. *
  769. ******************************************************************************/
  770. static int bnx2x_ets_e3b0_get_total_bw(
  771. const struct link_params *params,
  772. struct bnx2x_ets_params *ets_params,
  773. u16 *total_bw)
  774. {
  775. struct bnx2x *bp = params->bp;
  776. u8 cos_idx = 0;
  777. u8 is_bw_cos_exist = 0;
  778. *total_bw = 0 ;
  779. /* Calculate total BW requested */
  780. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  781. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  782. is_bw_cos_exist = 1;
  783. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  784. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  785. "was set to 0\n");
  786. /* This is to prevent a state when ramrods
  787. * can't be sent
  788. */
  789. ets_params->cos[cos_idx].params.bw_params.bw
  790. = 1;
  791. }
  792. *total_bw +=
  793. ets_params->cos[cos_idx].params.bw_params.bw;
  794. }
  795. }
  796. /* Check total BW is valid */
  797. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  798. if (*total_bw == 0) {
  799. DP(NETIF_MSG_LINK,
  800. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  801. return -EINVAL;
  802. }
  803. DP(NETIF_MSG_LINK,
  804. "bnx2x_ets_E3B0_config total BW should be 100\n");
  805. /* We can handle a case whre the BW isn't 100 this can happen
  806. * if the TC are joined.
  807. */
  808. }
  809. return 0;
  810. }
  811. /******************************************************************************
  812. * Description:
  813. * Invalidate all the sp_pri_to_cos.
  814. *
  815. ******************************************************************************/
  816. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  817. {
  818. u8 pri = 0;
  819. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  820. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  821. }
  822. /******************************************************************************
  823. * Description:
  824. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  825. * according to sp_pri_to_cos.
  826. *
  827. ******************************************************************************/
  828. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  829. u8 *sp_pri_to_cos, const u8 pri,
  830. const u8 cos_entry)
  831. {
  832. struct bnx2x *bp = params->bp;
  833. const u8 port = params->port;
  834. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  835. DCBX_E3B0_MAX_NUM_COS_PORT0;
  836. if (pri >= max_num_of_cos) {
  837. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  838. "parameter Illegal strict priority\n");
  839. return -EINVAL;
  840. }
  841. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  842. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  843. "parameter There can't be two COS's with "
  844. "the same strict pri\n");
  845. return -EINVAL;
  846. }
  847. sp_pri_to_cos[pri] = cos_entry;
  848. return 0;
  849. }
  850. /******************************************************************************
  851. * Description:
  852. * Returns the correct value according to COS and priority in
  853. * the sp_pri_cli register.
  854. *
  855. ******************************************************************************/
  856. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  857. const u8 pri_set,
  858. const u8 pri_offset,
  859. const u8 entry_size)
  860. {
  861. u64 pri_cli_nig = 0;
  862. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  863. (pri_set + pri_offset));
  864. return pri_cli_nig;
  865. }
  866. /******************************************************************************
  867. * Description:
  868. * Returns the correct value according to COS and priority in the
  869. * sp_pri_cli register for NIG.
  870. *
  871. ******************************************************************************/
  872. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  873. {
  874. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  875. const u8 nig_cos_offset = 3;
  876. const u8 nig_pri_offset = 3;
  877. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  878. nig_pri_offset, 4);
  879. }
  880. /******************************************************************************
  881. * Description:
  882. * Returns the correct value according to COS and priority in the
  883. * sp_pri_cli register for PBF.
  884. *
  885. ******************************************************************************/
  886. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  887. {
  888. const u8 pbf_cos_offset = 0;
  889. const u8 pbf_pri_offset = 0;
  890. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  891. pbf_pri_offset, 3);
  892. }
  893. /******************************************************************************
  894. * Description:
  895. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  896. * according to sp_pri_to_cos.(which COS has higher priority)
  897. *
  898. ******************************************************************************/
  899. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  900. u8 *sp_pri_to_cos)
  901. {
  902. struct bnx2x *bp = params->bp;
  903. u8 i = 0;
  904. const u8 port = params->port;
  905. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  906. u64 pri_cli_nig = 0x210;
  907. u32 pri_cli_pbf = 0x0;
  908. u8 pri_set = 0;
  909. u8 pri_bitmask = 0;
  910. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  911. DCBX_E3B0_MAX_NUM_COS_PORT0;
  912. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  913. /* Set all the strict priority first */
  914. for (i = 0; i < max_num_of_cos; i++) {
  915. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  916. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  917. DP(NETIF_MSG_LINK,
  918. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  919. "invalid cos entry\n");
  920. return -EINVAL;
  921. }
  922. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  923. sp_pri_to_cos[i], pri_set);
  924. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  925. sp_pri_to_cos[i], pri_set);
  926. pri_bitmask = 1 << sp_pri_to_cos[i];
  927. /* COS is used remove it from bitmap.*/
  928. if (!(pri_bitmask & cos_bit_to_set)) {
  929. DP(NETIF_MSG_LINK,
  930. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  931. "invalid There can't be two COS's with"
  932. " the same strict pri\n");
  933. return -EINVAL;
  934. }
  935. cos_bit_to_set &= ~pri_bitmask;
  936. pri_set++;
  937. }
  938. }
  939. /* Set all the Non strict priority i= COS*/
  940. for (i = 0; i < max_num_of_cos; i++) {
  941. pri_bitmask = 1 << i;
  942. /* Check if COS was already used for SP */
  943. if (pri_bitmask & cos_bit_to_set) {
  944. /* COS wasn't used for SP */
  945. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  946. i, pri_set);
  947. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  948. i, pri_set);
  949. /* COS is used remove it from bitmap.*/
  950. cos_bit_to_set &= ~pri_bitmask;
  951. pri_set++;
  952. }
  953. }
  954. if (pri_set != max_num_of_cos) {
  955. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  956. "entries were set\n");
  957. return -EINVAL;
  958. }
  959. if (port) {
  960. /* Only 6 usable clients*/
  961. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  962. (u32)pri_cli_nig);
  963. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  964. } else {
  965. /* Only 9 usable clients*/
  966. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  967. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  968. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  969. pri_cli_nig_lsb);
  970. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  971. pri_cli_nig_msb);
  972. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  973. }
  974. return 0;
  975. }
  976. /******************************************************************************
  977. * Description:
  978. * Configure the COS to ETS according to BW and SP settings.
  979. ******************************************************************************/
  980. int bnx2x_ets_e3b0_config(const struct link_params *params,
  981. const struct link_vars *vars,
  982. struct bnx2x_ets_params *ets_params)
  983. {
  984. struct bnx2x *bp = params->bp;
  985. int bnx2x_status = 0;
  986. const u8 port = params->port;
  987. u16 total_bw = 0;
  988. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  989. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  990. u8 cos_bw_bitmap = 0;
  991. u8 cos_sp_bitmap = 0;
  992. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  993. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  994. DCBX_E3B0_MAX_NUM_COS_PORT0;
  995. u8 cos_entry = 0;
  996. if (!CHIP_IS_E3B0(bp)) {
  997. DP(NETIF_MSG_LINK,
  998. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  999. return -EINVAL;
  1000. }
  1001. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1002. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1003. "isn't supported\n");
  1004. return -EINVAL;
  1005. }
  1006. /* Prepare sp strict priority parameters*/
  1007. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1008. /* Prepare BW parameters*/
  1009. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1010. &total_bw);
  1011. if (bnx2x_status) {
  1012. DP(NETIF_MSG_LINK,
  1013. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1014. return -EINVAL;
  1015. }
  1016. /* Upper bound is set according to current link speed (min_w_val
  1017. * should be the same for upper bound and COS credit val).
  1018. */
  1019. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1020. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1021. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1022. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1023. cos_bw_bitmap |= (1 << cos_entry);
  1024. /* The function also sets the BW in HW(not the mappin
  1025. * yet)
  1026. */
  1027. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1028. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1029. total_bw,
  1030. ets_params->cos[cos_entry].params.bw_params.bw,
  1031. port);
  1032. } else if (bnx2x_cos_state_strict ==
  1033. ets_params->cos[cos_entry].state){
  1034. cos_sp_bitmap |= (1 << cos_entry);
  1035. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1036. params,
  1037. sp_pri_to_cos,
  1038. ets_params->cos[cos_entry].params.sp_params.pri,
  1039. cos_entry);
  1040. } else {
  1041. DP(NETIF_MSG_LINK,
  1042. "bnx2x_ets_e3b0_config cos state not valid\n");
  1043. return -EINVAL;
  1044. }
  1045. if (bnx2x_status) {
  1046. DP(NETIF_MSG_LINK,
  1047. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1048. return bnx2x_status;
  1049. }
  1050. }
  1051. /* Set SP register (which COS has higher priority) */
  1052. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1053. sp_pri_to_cos);
  1054. if (bnx2x_status) {
  1055. DP(NETIF_MSG_LINK,
  1056. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1057. return bnx2x_status;
  1058. }
  1059. /* Set client mapping of BW and strict */
  1060. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1061. cos_sp_bitmap,
  1062. cos_bw_bitmap);
  1063. if (bnx2x_status) {
  1064. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1065. return bnx2x_status;
  1066. }
  1067. return 0;
  1068. }
  1069. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1070. {
  1071. /* ETS disabled configuration */
  1072. struct bnx2x *bp = params->bp;
  1073. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1074. /* Defines which entries (clients) are subjected to WFQ arbitration
  1075. * COS0 0x8
  1076. * COS1 0x10
  1077. */
  1078. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1079. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1080. * client numbers (WEIGHT_0 does not actually have to represent
  1081. * client 0)
  1082. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1083. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1084. */
  1085. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1086. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1087. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1088. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1089. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1090. /* ETS mode enabled*/
  1091. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1092. /* Defines the number of consecutive slots for the strict priority */
  1093. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1094. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1095. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1096. * entry, 4 - COS1 entry.
  1097. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1098. * bit4 bit3 bit2 bit1 bit0
  1099. * MCP and debug are strict
  1100. */
  1101. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1102. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1103. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1104. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1105. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1106. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1107. }
  1108. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1109. const u32 cos1_bw)
  1110. {
  1111. /* ETS disabled configuration*/
  1112. struct bnx2x *bp = params->bp;
  1113. const u32 total_bw = cos0_bw + cos1_bw;
  1114. u32 cos0_credit_weight = 0;
  1115. u32 cos1_credit_weight = 0;
  1116. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1117. if ((!total_bw) ||
  1118. (!cos0_bw) ||
  1119. (!cos1_bw)) {
  1120. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1121. return;
  1122. }
  1123. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1124. total_bw;
  1125. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1126. total_bw;
  1127. bnx2x_ets_bw_limit_common(params);
  1128. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1129. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1130. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1131. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1132. }
  1133. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1134. {
  1135. /* ETS disabled configuration*/
  1136. struct bnx2x *bp = params->bp;
  1137. u32 val = 0;
  1138. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1139. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1140. * as strict. Bits 0,1,2 - debug and management entries,
  1141. * 3 - COS0 entry, 4 - COS1 entry.
  1142. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1143. * bit4 bit3 bit2 bit1 bit0
  1144. * MCP and debug are strict
  1145. */
  1146. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1147. /* For strict priority entries defines the number of consecutive slots
  1148. * for the highest priority.
  1149. */
  1150. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1151. /* ETS mode disable */
  1152. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1153. /* Defines the number of consecutive slots for the strict priority */
  1154. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1155. /* Defines the number of consecutive slots for the strict priority */
  1156. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1157. /* Mapping between entry priority to client number (0,1,2 -debug and
  1158. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1159. * 3bits client num.
  1160. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1161. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1162. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1163. */
  1164. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1165. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1166. return 0;
  1167. }
  1168. /******************************************************************/
  1169. /* PFC section */
  1170. /******************************************************************/
  1171. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1172. struct link_vars *vars,
  1173. u8 is_lb)
  1174. {
  1175. struct bnx2x *bp = params->bp;
  1176. u32 xmac_base;
  1177. u32 pause_val, pfc0_val, pfc1_val;
  1178. /* XMAC base adrr */
  1179. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1180. /* Initialize pause and pfc registers */
  1181. pause_val = 0x18000;
  1182. pfc0_val = 0xFFFF8000;
  1183. pfc1_val = 0x2;
  1184. /* No PFC support */
  1185. if (!(params->feature_config_flags &
  1186. FEATURE_CONFIG_PFC_ENABLED)) {
  1187. /* RX flow control - Process pause frame in receive direction
  1188. */
  1189. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1190. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1191. /* TX flow control - Send pause packet when buffer is full */
  1192. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1193. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1194. } else {/* PFC support */
  1195. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1196. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1197. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1198. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1199. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1200. /* Write pause and PFC registers */
  1201. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1202. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1203. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1204. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1205. }
  1206. /* Write pause and PFC registers */
  1207. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1208. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1209. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1210. /* Set MAC address for source TX Pause/PFC frames */
  1211. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1212. ((params->mac_addr[2] << 24) |
  1213. (params->mac_addr[3] << 16) |
  1214. (params->mac_addr[4] << 8) |
  1215. (params->mac_addr[5])));
  1216. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1217. ((params->mac_addr[0] << 8) |
  1218. (params->mac_addr[1])));
  1219. udelay(30);
  1220. }
  1221. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1222. u32 pfc_frames_sent[2],
  1223. u32 pfc_frames_received[2])
  1224. {
  1225. /* Read pfc statistic */
  1226. struct bnx2x *bp = params->bp;
  1227. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1228. u32 val_xon = 0;
  1229. u32 val_xoff = 0;
  1230. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1231. /* PFC received frames */
  1232. val_xoff = REG_RD(bp, emac_base +
  1233. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1234. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1235. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1236. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1237. pfc_frames_received[0] = val_xon + val_xoff;
  1238. /* PFC received sent */
  1239. val_xoff = REG_RD(bp, emac_base +
  1240. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1241. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1242. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1243. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1244. pfc_frames_sent[0] = val_xon + val_xoff;
  1245. }
  1246. /* Read pfc statistic*/
  1247. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1248. u32 pfc_frames_sent[2],
  1249. u32 pfc_frames_received[2])
  1250. {
  1251. /* Read pfc statistic */
  1252. struct bnx2x *bp = params->bp;
  1253. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1254. if (!vars->link_up)
  1255. return;
  1256. if (vars->mac_type == MAC_TYPE_EMAC) {
  1257. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1258. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1259. pfc_frames_received);
  1260. }
  1261. }
  1262. /******************************************************************/
  1263. /* MAC/PBF section */
  1264. /******************************************************************/
  1265. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1266. {
  1267. u32 mode, emac_base;
  1268. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1269. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1270. */
  1271. if (CHIP_IS_E2(bp))
  1272. emac_base = GRCBASE_EMAC0;
  1273. else
  1274. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1275. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1276. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1277. EMAC_MDIO_MODE_CLOCK_CNT);
  1278. if (USES_WARPCORE(bp))
  1279. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1280. else
  1281. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1282. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1283. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1284. udelay(40);
  1285. }
  1286. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1287. {
  1288. u32 port4mode_ovwr_val;
  1289. /* Check 4-port override enabled */
  1290. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1291. if (port4mode_ovwr_val & (1<<0)) {
  1292. /* Return 4-port mode override value */
  1293. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1294. }
  1295. /* Return 4-port mode from input pin */
  1296. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1297. }
  1298. static void bnx2x_emac_init(struct link_params *params,
  1299. struct link_vars *vars)
  1300. {
  1301. /* reset and unreset the emac core */
  1302. struct bnx2x *bp = params->bp;
  1303. u8 port = params->port;
  1304. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1305. u32 val;
  1306. u16 timeout;
  1307. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1308. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1309. udelay(5);
  1310. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1311. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1312. /* init emac - use read-modify-write */
  1313. /* self clear reset */
  1314. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1315. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1316. timeout = 200;
  1317. do {
  1318. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1319. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1320. if (!timeout) {
  1321. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1322. return;
  1323. }
  1324. timeout--;
  1325. } while (val & EMAC_MODE_RESET);
  1326. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1327. /* Set mac address */
  1328. val = ((params->mac_addr[0] << 8) |
  1329. params->mac_addr[1]);
  1330. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1331. val = ((params->mac_addr[2] << 24) |
  1332. (params->mac_addr[3] << 16) |
  1333. (params->mac_addr[4] << 8) |
  1334. params->mac_addr[5]);
  1335. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1336. }
  1337. static void bnx2x_set_xumac_nig(struct link_params *params,
  1338. u16 tx_pause_en,
  1339. u8 enable)
  1340. {
  1341. struct bnx2x *bp = params->bp;
  1342. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1343. enable);
  1344. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1345. enable);
  1346. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1347. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1348. }
  1349. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1350. {
  1351. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1352. u32 val;
  1353. struct bnx2x *bp = params->bp;
  1354. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1355. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1356. return;
  1357. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1358. if (en)
  1359. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1360. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1361. else
  1362. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1363. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1364. /* Disable RX and TX */
  1365. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1366. }
  1367. static void bnx2x_umac_enable(struct link_params *params,
  1368. struct link_vars *vars, u8 lb)
  1369. {
  1370. u32 val;
  1371. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1372. struct bnx2x *bp = params->bp;
  1373. /* Reset UMAC */
  1374. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1375. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1376. usleep_range(1000, 2000);
  1377. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1378. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1379. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1380. /* This register opens the gate for the UMAC despite its name */
  1381. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1382. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1383. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1384. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1385. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1386. switch (vars->line_speed) {
  1387. case SPEED_10:
  1388. val |= (0<<2);
  1389. break;
  1390. case SPEED_100:
  1391. val |= (1<<2);
  1392. break;
  1393. case SPEED_1000:
  1394. val |= (2<<2);
  1395. break;
  1396. case SPEED_2500:
  1397. val |= (3<<2);
  1398. break;
  1399. default:
  1400. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1401. vars->line_speed);
  1402. break;
  1403. }
  1404. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1405. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1406. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1407. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1408. if (vars->duplex == DUPLEX_HALF)
  1409. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1410. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1411. udelay(50);
  1412. /* Configure UMAC for EEE */
  1413. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1414. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1415. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1416. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1417. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1418. } else {
  1419. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1420. }
  1421. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1422. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1423. ((params->mac_addr[2] << 24) |
  1424. (params->mac_addr[3] << 16) |
  1425. (params->mac_addr[4] << 8) |
  1426. (params->mac_addr[5])));
  1427. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1428. ((params->mac_addr[0] << 8) |
  1429. (params->mac_addr[1])));
  1430. /* Enable RX and TX */
  1431. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1432. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1433. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1434. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1435. udelay(50);
  1436. /* Remove SW Reset */
  1437. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1438. /* Check loopback mode */
  1439. if (lb)
  1440. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1441. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1442. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1443. * length used by the MAC receive logic to check frames.
  1444. */
  1445. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1446. bnx2x_set_xumac_nig(params,
  1447. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1448. vars->mac_type = MAC_TYPE_UMAC;
  1449. }
  1450. /* Define the XMAC mode */
  1451. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1452. {
  1453. struct bnx2x *bp = params->bp;
  1454. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1455. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1456. * already out of reset, it means the mode has already been set,
  1457. * and it must not* reset the XMAC again, since it controls both
  1458. * ports of the path
  1459. */
  1460. if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
  1461. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1462. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1463. DP(NETIF_MSG_LINK,
  1464. "XMAC already out of reset in 4-port mode\n");
  1465. return;
  1466. }
  1467. /* Hard reset */
  1468. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1469. MISC_REGISTERS_RESET_REG_2_XMAC);
  1470. usleep_range(1000, 2000);
  1471. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1472. MISC_REGISTERS_RESET_REG_2_XMAC);
  1473. if (is_port4mode) {
  1474. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1475. /* Set the number of ports on the system side to up to 2 */
  1476. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1477. /* Set the number of ports on the Warp Core to 10G */
  1478. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1479. } else {
  1480. /* Set the number of ports on the system side to 1 */
  1481. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1482. if (max_speed == SPEED_10000) {
  1483. DP(NETIF_MSG_LINK,
  1484. "Init XMAC to 10G x 1 port per path\n");
  1485. /* Set the number of ports on the Warp Core to 10G */
  1486. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1487. } else {
  1488. DP(NETIF_MSG_LINK,
  1489. "Init XMAC to 20G x 2 ports per path\n");
  1490. /* Set the number of ports on the Warp Core to 20G */
  1491. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1492. }
  1493. }
  1494. /* Soft reset */
  1495. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1496. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1497. usleep_range(1000, 2000);
  1498. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1499. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1500. }
  1501. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1502. {
  1503. u8 port = params->port;
  1504. struct bnx2x *bp = params->bp;
  1505. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1506. u32 val;
  1507. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1508. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1509. /* Send an indication to change the state in the NIG back to XON
  1510. * Clearing this bit enables the next set of this bit to get
  1511. * rising edge
  1512. */
  1513. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1514. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1515. (pfc_ctrl & ~(1<<1)));
  1516. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1517. (pfc_ctrl | (1<<1)));
  1518. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1519. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1520. if (en)
  1521. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1522. else
  1523. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1524. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1525. }
  1526. }
  1527. static int bnx2x_xmac_enable(struct link_params *params,
  1528. struct link_vars *vars, u8 lb)
  1529. {
  1530. u32 val, xmac_base;
  1531. struct bnx2x *bp = params->bp;
  1532. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1533. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1534. bnx2x_xmac_init(params, vars->line_speed);
  1535. /* This register determines on which events the MAC will assert
  1536. * error on the i/f to the NIG along w/ EOP.
  1537. */
  1538. /* This register tells the NIG whether to send traffic to UMAC
  1539. * or XMAC
  1540. */
  1541. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1542. /* Set Max packet size */
  1543. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1544. /* CRC append for Tx packets */
  1545. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1546. /* update PFC */
  1547. bnx2x_update_pfc_xmac(params, vars, 0);
  1548. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1549. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1550. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1551. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1552. } else {
  1553. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1554. }
  1555. /* Enable TX and RX */
  1556. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1557. /* Check loopback mode */
  1558. if (lb)
  1559. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1560. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1561. bnx2x_set_xumac_nig(params,
  1562. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1563. vars->mac_type = MAC_TYPE_XMAC;
  1564. return 0;
  1565. }
  1566. static int bnx2x_emac_enable(struct link_params *params,
  1567. struct link_vars *vars, u8 lb)
  1568. {
  1569. struct bnx2x *bp = params->bp;
  1570. u8 port = params->port;
  1571. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1572. u32 val;
  1573. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1574. /* Disable BMAC */
  1575. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1576. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1577. /* enable emac and not bmac */
  1578. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1579. /* ASIC */
  1580. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1581. u32 ser_lane = ((params->lane_config &
  1582. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1583. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1584. DP(NETIF_MSG_LINK, "XGXS\n");
  1585. /* select the master lanes (out of 0-3) */
  1586. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1587. /* select XGXS */
  1588. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1589. } else { /* SerDes */
  1590. DP(NETIF_MSG_LINK, "SerDes\n");
  1591. /* select SerDes */
  1592. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1593. }
  1594. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1595. EMAC_RX_MODE_RESET);
  1596. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1597. EMAC_TX_MODE_RESET);
  1598. /* pause enable/disable */
  1599. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1600. EMAC_RX_MODE_FLOW_EN);
  1601. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1602. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1603. EMAC_TX_MODE_FLOW_EN));
  1604. if (!(params->feature_config_flags &
  1605. FEATURE_CONFIG_PFC_ENABLED)) {
  1606. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1607. bnx2x_bits_en(bp, emac_base +
  1608. EMAC_REG_EMAC_RX_MODE,
  1609. EMAC_RX_MODE_FLOW_EN);
  1610. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1611. bnx2x_bits_en(bp, emac_base +
  1612. EMAC_REG_EMAC_TX_MODE,
  1613. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1614. EMAC_TX_MODE_FLOW_EN));
  1615. } else
  1616. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1617. EMAC_TX_MODE_FLOW_EN);
  1618. /* KEEP_VLAN_TAG, promiscuous */
  1619. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1620. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1621. /* Setting this bit causes MAC control frames (except for pause
  1622. * frames) to be passed on for processing. This setting has no
  1623. * affect on the operation of the pause frames. This bit effects
  1624. * all packets regardless of RX Parser packet sorting logic.
  1625. * Turn the PFC off to make sure we are in Xon state before
  1626. * enabling it.
  1627. */
  1628. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1629. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1630. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1631. /* Enable PFC again */
  1632. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1633. EMAC_REG_RX_PFC_MODE_RX_EN |
  1634. EMAC_REG_RX_PFC_MODE_TX_EN |
  1635. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1636. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1637. ((0x0101 <<
  1638. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1639. (0x00ff <<
  1640. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1641. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1642. }
  1643. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1644. /* Set Loopback */
  1645. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1646. if (lb)
  1647. val |= 0x810;
  1648. else
  1649. val &= ~0x810;
  1650. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1651. /* Enable emac */
  1652. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1653. /* Enable emac for jumbo packets */
  1654. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1655. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1656. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1657. /* Strip CRC */
  1658. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1659. /* Disable the NIG in/out to the bmac */
  1660. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1661. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1662. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1663. /* Enable the NIG in/out to the emac */
  1664. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1665. val = 0;
  1666. if ((params->feature_config_flags &
  1667. FEATURE_CONFIG_PFC_ENABLED) ||
  1668. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1669. val = 1;
  1670. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1671. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1672. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1673. vars->mac_type = MAC_TYPE_EMAC;
  1674. return 0;
  1675. }
  1676. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1677. struct link_vars *vars)
  1678. {
  1679. u32 wb_data[2];
  1680. struct bnx2x *bp = params->bp;
  1681. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1682. NIG_REG_INGRESS_BMAC0_MEM;
  1683. u32 val = 0x14;
  1684. if ((!(params->feature_config_flags &
  1685. FEATURE_CONFIG_PFC_ENABLED)) &&
  1686. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1687. /* Enable BigMAC to react on received Pause packets */
  1688. val |= (1<<5);
  1689. wb_data[0] = val;
  1690. wb_data[1] = 0;
  1691. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1692. /* TX control */
  1693. val = 0xc0;
  1694. if (!(params->feature_config_flags &
  1695. FEATURE_CONFIG_PFC_ENABLED) &&
  1696. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1697. val |= 0x800000;
  1698. wb_data[0] = val;
  1699. wb_data[1] = 0;
  1700. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1701. }
  1702. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1703. struct link_vars *vars,
  1704. u8 is_lb)
  1705. {
  1706. /* Set rx control: Strip CRC and enable BigMAC to relay
  1707. * control packets to the system as well
  1708. */
  1709. u32 wb_data[2];
  1710. struct bnx2x *bp = params->bp;
  1711. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1712. NIG_REG_INGRESS_BMAC0_MEM;
  1713. u32 val = 0x14;
  1714. if ((!(params->feature_config_flags &
  1715. FEATURE_CONFIG_PFC_ENABLED)) &&
  1716. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1717. /* Enable BigMAC to react on received Pause packets */
  1718. val |= (1<<5);
  1719. wb_data[0] = val;
  1720. wb_data[1] = 0;
  1721. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1722. udelay(30);
  1723. /* Tx control */
  1724. val = 0xc0;
  1725. if (!(params->feature_config_flags &
  1726. FEATURE_CONFIG_PFC_ENABLED) &&
  1727. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1728. val |= 0x800000;
  1729. wb_data[0] = val;
  1730. wb_data[1] = 0;
  1731. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1732. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1733. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1734. /* Enable PFC RX & TX & STATS and set 8 COS */
  1735. wb_data[0] = 0x0;
  1736. wb_data[0] |= (1<<0); /* RX */
  1737. wb_data[0] |= (1<<1); /* TX */
  1738. wb_data[0] |= (1<<2); /* Force initial Xon */
  1739. wb_data[0] |= (1<<3); /* 8 cos */
  1740. wb_data[0] |= (1<<5); /* STATS */
  1741. wb_data[1] = 0;
  1742. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1743. wb_data, 2);
  1744. /* Clear the force Xon */
  1745. wb_data[0] &= ~(1<<2);
  1746. } else {
  1747. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1748. /* Disable PFC RX & TX & STATS and set 8 COS */
  1749. wb_data[0] = 0x8;
  1750. wb_data[1] = 0;
  1751. }
  1752. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1753. /* Set Time (based unit is 512 bit time) between automatic
  1754. * re-sending of PP packets amd enable automatic re-send of
  1755. * Per-Priroity Packet as long as pp_gen is asserted and
  1756. * pp_disable is low.
  1757. */
  1758. val = 0x8000;
  1759. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1760. val |= (1<<16); /* enable automatic re-send */
  1761. wb_data[0] = val;
  1762. wb_data[1] = 0;
  1763. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1764. wb_data, 2);
  1765. /* mac control */
  1766. val = 0x3; /* Enable RX and TX */
  1767. if (is_lb) {
  1768. val |= 0x4; /* Local loopback */
  1769. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1770. }
  1771. /* When PFC enabled, Pass pause frames towards the NIG. */
  1772. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1773. val |= ((1<<6)|(1<<5));
  1774. wb_data[0] = val;
  1775. wb_data[1] = 0;
  1776. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1777. }
  1778. /******************************************************************************
  1779. * Description:
  1780. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1781. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1782. ******************************************************************************/
  1783. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1784. u8 cos_entry,
  1785. u32 priority_mask, u8 port)
  1786. {
  1787. u32 nig_reg_rx_priority_mask_add = 0;
  1788. switch (cos_entry) {
  1789. case 0:
  1790. nig_reg_rx_priority_mask_add = (port) ?
  1791. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1792. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1793. break;
  1794. case 1:
  1795. nig_reg_rx_priority_mask_add = (port) ?
  1796. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1797. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1798. break;
  1799. case 2:
  1800. nig_reg_rx_priority_mask_add = (port) ?
  1801. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1802. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1803. break;
  1804. case 3:
  1805. if (port)
  1806. return -EINVAL;
  1807. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1808. break;
  1809. case 4:
  1810. if (port)
  1811. return -EINVAL;
  1812. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1813. break;
  1814. case 5:
  1815. if (port)
  1816. return -EINVAL;
  1817. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1818. break;
  1819. }
  1820. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1821. return 0;
  1822. }
  1823. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1824. {
  1825. struct bnx2x *bp = params->bp;
  1826. REG_WR(bp, params->shmem_base +
  1827. offsetof(struct shmem_region,
  1828. port_mb[params->port].link_status), link_status);
  1829. }
  1830. static void bnx2x_update_pfc_nig(struct link_params *params,
  1831. struct link_vars *vars,
  1832. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1833. {
  1834. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1835. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1836. u32 pkt_priority_to_cos = 0;
  1837. struct bnx2x *bp = params->bp;
  1838. u8 port = params->port;
  1839. int set_pfc = params->feature_config_flags &
  1840. FEATURE_CONFIG_PFC_ENABLED;
  1841. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1842. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1843. * MAC control frames (that are not pause packets)
  1844. * will be forwarded to the XCM.
  1845. */
  1846. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1847. NIG_REG_LLH0_XCM_MASK);
  1848. /* NIG params will override non PFC params, since it's possible to
  1849. * do transition from PFC to SAFC
  1850. */
  1851. if (set_pfc) {
  1852. pause_enable = 0;
  1853. llfc_out_en = 0;
  1854. llfc_enable = 0;
  1855. if (CHIP_IS_E3(bp))
  1856. ppp_enable = 0;
  1857. else
  1858. ppp_enable = 1;
  1859. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1860. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1861. xcm_out_en = 0;
  1862. hwpfc_enable = 1;
  1863. } else {
  1864. if (nig_params) {
  1865. llfc_out_en = nig_params->llfc_out_en;
  1866. llfc_enable = nig_params->llfc_enable;
  1867. pause_enable = nig_params->pause_enable;
  1868. } else /* Default non PFC mode - PAUSE */
  1869. pause_enable = 1;
  1870. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1871. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1872. xcm_out_en = 1;
  1873. }
  1874. if (CHIP_IS_E3(bp))
  1875. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1876. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1877. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1878. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1879. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1880. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1881. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1882. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1883. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1884. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1885. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1886. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1887. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1888. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1889. /* Output enable for RX_XCM # IF */
  1890. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1891. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1892. /* HW PFC TX enable */
  1893. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1894. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1895. if (nig_params) {
  1896. u8 i = 0;
  1897. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1898. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1899. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1900. nig_params->rx_cos_priority_mask[i], port);
  1901. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1902. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1903. nig_params->llfc_high_priority_classes);
  1904. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1905. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1906. nig_params->llfc_low_priority_classes);
  1907. }
  1908. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1909. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1910. pkt_priority_to_cos);
  1911. }
  1912. int bnx2x_update_pfc(struct link_params *params,
  1913. struct link_vars *vars,
  1914. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1915. {
  1916. /* The PFC and pause are orthogonal to one another, meaning when
  1917. * PFC is enabled, the pause are disabled, and when PFC is
  1918. * disabled, pause are set according to the pause result.
  1919. */
  1920. u32 val;
  1921. struct bnx2x *bp = params->bp;
  1922. int bnx2x_status = 0;
  1923. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1924. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1925. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1926. else
  1927. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1928. bnx2x_update_mng(params, vars->link_status);
  1929. /* Update NIG params */
  1930. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1931. if (!vars->link_up)
  1932. return bnx2x_status;
  1933. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1934. if (CHIP_IS_E3(bp)) {
  1935. if (vars->mac_type == MAC_TYPE_XMAC)
  1936. bnx2x_update_pfc_xmac(params, vars, 0);
  1937. } else {
  1938. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1939. if ((val &
  1940. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1941. == 0) {
  1942. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1943. bnx2x_emac_enable(params, vars, 0);
  1944. return bnx2x_status;
  1945. }
  1946. if (CHIP_IS_E2(bp))
  1947. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1948. else
  1949. bnx2x_update_pfc_bmac1(params, vars);
  1950. val = 0;
  1951. if ((params->feature_config_flags &
  1952. FEATURE_CONFIG_PFC_ENABLED) ||
  1953. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1954. val = 1;
  1955. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1956. }
  1957. return bnx2x_status;
  1958. }
  1959. static int bnx2x_bmac1_enable(struct link_params *params,
  1960. struct link_vars *vars,
  1961. u8 is_lb)
  1962. {
  1963. struct bnx2x *bp = params->bp;
  1964. u8 port = params->port;
  1965. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1966. NIG_REG_INGRESS_BMAC0_MEM;
  1967. u32 wb_data[2];
  1968. u32 val;
  1969. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  1970. /* XGXS control */
  1971. wb_data[0] = 0x3c;
  1972. wb_data[1] = 0;
  1973. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  1974. wb_data, 2);
  1975. /* TX MAC SA */
  1976. wb_data[0] = ((params->mac_addr[2] << 24) |
  1977. (params->mac_addr[3] << 16) |
  1978. (params->mac_addr[4] << 8) |
  1979. params->mac_addr[5]);
  1980. wb_data[1] = ((params->mac_addr[0] << 8) |
  1981. params->mac_addr[1]);
  1982. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  1983. /* MAC control */
  1984. val = 0x3;
  1985. if (is_lb) {
  1986. val |= 0x4;
  1987. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1988. }
  1989. wb_data[0] = val;
  1990. wb_data[1] = 0;
  1991. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  1992. /* Set rx mtu */
  1993. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  1994. wb_data[1] = 0;
  1995. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  1996. bnx2x_update_pfc_bmac1(params, vars);
  1997. /* Set tx mtu */
  1998. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  1999. wb_data[1] = 0;
  2000. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2001. /* Set cnt max size */
  2002. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2003. wb_data[1] = 0;
  2004. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2005. /* Configure SAFC */
  2006. wb_data[0] = 0x1000200;
  2007. wb_data[1] = 0;
  2008. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2009. wb_data, 2);
  2010. return 0;
  2011. }
  2012. static int bnx2x_bmac2_enable(struct link_params *params,
  2013. struct link_vars *vars,
  2014. u8 is_lb)
  2015. {
  2016. struct bnx2x *bp = params->bp;
  2017. u8 port = params->port;
  2018. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2019. NIG_REG_INGRESS_BMAC0_MEM;
  2020. u32 wb_data[2];
  2021. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2022. wb_data[0] = 0;
  2023. wb_data[1] = 0;
  2024. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2025. udelay(30);
  2026. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2027. wb_data[0] = 0x3c;
  2028. wb_data[1] = 0;
  2029. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2030. wb_data, 2);
  2031. udelay(30);
  2032. /* TX MAC SA */
  2033. wb_data[0] = ((params->mac_addr[2] << 24) |
  2034. (params->mac_addr[3] << 16) |
  2035. (params->mac_addr[4] << 8) |
  2036. params->mac_addr[5]);
  2037. wb_data[1] = ((params->mac_addr[0] << 8) |
  2038. params->mac_addr[1]);
  2039. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2040. wb_data, 2);
  2041. udelay(30);
  2042. /* Configure SAFC */
  2043. wb_data[0] = 0x1000200;
  2044. wb_data[1] = 0;
  2045. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2046. wb_data, 2);
  2047. udelay(30);
  2048. /* Set RX MTU */
  2049. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2050. wb_data[1] = 0;
  2051. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2052. udelay(30);
  2053. /* Set TX MTU */
  2054. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2055. wb_data[1] = 0;
  2056. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2057. udelay(30);
  2058. /* Set cnt max size */
  2059. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2062. udelay(30);
  2063. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2064. return 0;
  2065. }
  2066. static int bnx2x_bmac_enable(struct link_params *params,
  2067. struct link_vars *vars,
  2068. u8 is_lb, u8 reset_bmac)
  2069. {
  2070. int rc = 0;
  2071. u8 port = params->port;
  2072. struct bnx2x *bp = params->bp;
  2073. u32 val;
  2074. /* Reset and unreset the BigMac */
  2075. if (reset_bmac) {
  2076. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2077. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2078. usleep_range(1000, 2000);
  2079. }
  2080. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2081. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2082. /* Enable access for bmac registers */
  2083. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2084. /* Enable BMAC according to BMAC type*/
  2085. if (CHIP_IS_E2(bp))
  2086. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2087. else
  2088. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2089. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2090. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2091. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2092. val = 0;
  2093. if ((params->feature_config_flags &
  2094. FEATURE_CONFIG_PFC_ENABLED) ||
  2095. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2096. val = 1;
  2097. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2098. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2099. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2100. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2101. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2102. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2103. vars->mac_type = MAC_TYPE_BMAC;
  2104. return rc;
  2105. }
  2106. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2107. {
  2108. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2109. NIG_REG_INGRESS_BMAC0_MEM;
  2110. u32 wb_data[2];
  2111. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2112. if (CHIP_IS_E2(bp))
  2113. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2114. else
  2115. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2116. /* Only if the bmac is out of reset */
  2117. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2118. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2119. nig_bmac_enable) {
  2120. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2121. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2122. if (en)
  2123. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2124. else
  2125. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2126. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2127. usleep_range(1000, 2000);
  2128. }
  2129. }
  2130. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2131. u32 line_speed)
  2132. {
  2133. struct bnx2x *bp = params->bp;
  2134. u8 port = params->port;
  2135. u32 init_crd, crd;
  2136. u32 count = 1000;
  2137. /* Disable port */
  2138. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2139. /* Wait for init credit */
  2140. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2141. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2142. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2143. while ((init_crd != crd) && count) {
  2144. usleep_range(5000, 10000);
  2145. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2146. count--;
  2147. }
  2148. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2149. if (init_crd != crd) {
  2150. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2151. init_crd, crd);
  2152. return -EINVAL;
  2153. }
  2154. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2155. line_speed == SPEED_10 ||
  2156. line_speed == SPEED_100 ||
  2157. line_speed == SPEED_1000 ||
  2158. line_speed == SPEED_2500) {
  2159. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2160. /* Update threshold */
  2161. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2162. /* Update init credit */
  2163. init_crd = 778; /* (800-18-4) */
  2164. } else {
  2165. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2166. ETH_OVREHEAD)/16;
  2167. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2168. /* Update threshold */
  2169. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2170. /* Update init credit */
  2171. switch (line_speed) {
  2172. case SPEED_10000:
  2173. init_crd = thresh + 553 - 22;
  2174. break;
  2175. default:
  2176. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2177. line_speed);
  2178. return -EINVAL;
  2179. }
  2180. }
  2181. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2182. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2183. line_speed, init_crd);
  2184. /* Probe the credit changes */
  2185. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2186. usleep_range(5000, 10000);
  2187. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2188. /* Enable port */
  2189. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2190. return 0;
  2191. }
  2192. /**
  2193. * bnx2x_get_emac_base - retrive emac base address
  2194. *
  2195. * @bp: driver handle
  2196. * @mdc_mdio_access: access type
  2197. * @port: port id
  2198. *
  2199. * This function selects the MDC/MDIO access (through emac0 or
  2200. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2201. * phy has a default access mode, which could also be overridden
  2202. * by nvram configuration. This parameter, whether this is the
  2203. * default phy configuration, or the nvram overrun
  2204. * configuration, is passed here as mdc_mdio_access and selects
  2205. * the emac_base for the CL45 read/writes operations
  2206. */
  2207. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2208. u32 mdc_mdio_access, u8 port)
  2209. {
  2210. u32 emac_base = 0;
  2211. switch (mdc_mdio_access) {
  2212. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2213. break;
  2214. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2215. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2216. emac_base = GRCBASE_EMAC1;
  2217. else
  2218. emac_base = GRCBASE_EMAC0;
  2219. break;
  2220. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2221. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2222. emac_base = GRCBASE_EMAC0;
  2223. else
  2224. emac_base = GRCBASE_EMAC1;
  2225. break;
  2226. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2227. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2228. break;
  2229. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2230. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2231. break;
  2232. default:
  2233. break;
  2234. }
  2235. return emac_base;
  2236. }
  2237. /******************************************************************/
  2238. /* CL22 access functions */
  2239. /******************************************************************/
  2240. static int bnx2x_cl22_write(struct bnx2x *bp,
  2241. struct bnx2x_phy *phy,
  2242. u16 reg, u16 val)
  2243. {
  2244. u32 tmp, mode;
  2245. u8 i;
  2246. int rc = 0;
  2247. /* Switch to CL22 */
  2248. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2249. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2250. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2251. /* Address */
  2252. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2253. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2254. EMAC_MDIO_COMM_START_BUSY);
  2255. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2256. for (i = 0; i < 50; i++) {
  2257. udelay(10);
  2258. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2259. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2260. udelay(5);
  2261. break;
  2262. }
  2263. }
  2264. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2265. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2266. rc = -EFAULT;
  2267. }
  2268. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2269. return rc;
  2270. }
  2271. static int bnx2x_cl22_read(struct bnx2x *bp,
  2272. struct bnx2x_phy *phy,
  2273. u16 reg, u16 *ret_val)
  2274. {
  2275. u32 val, mode;
  2276. u16 i;
  2277. int rc = 0;
  2278. /* Switch to CL22 */
  2279. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2280. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2281. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2282. /* Address */
  2283. val = ((phy->addr << 21) | (reg << 16) |
  2284. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2285. EMAC_MDIO_COMM_START_BUSY);
  2286. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2287. for (i = 0; i < 50; i++) {
  2288. udelay(10);
  2289. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2290. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2291. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2292. udelay(5);
  2293. break;
  2294. }
  2295. }
  2296. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2297. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2298. *ret_val = 0;
  2299. rc = -EFAULT;
  2300. }
  2301. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2302. return rc;
  2303. }
  2304. /******************************************************************/
  2305. /* CL45 access functions */
  2306. /******************************************************************/
  2307. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2308. u8 devad, u16 reg, u16 *ret_val)
  2309. {
  2310. u32 val;
  2311. u16 i;
  2312. int rc = 0;
  2313. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2314. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2315. EMAC_MDIO_STATUS_10MB);
  2316. /* Address */
  2317. val = ((phy->addr << 21) | (devad << 16) | reg |
  2318. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2319. EMAC_MDIO_COMM_START_BUSY);
  2320. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2321. for (i = 0; i < 50; i++) {
  2322. udelay(10);
  2323. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2324. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2325. udelay(5);
  2326. break;
  2327. }
  2328. }
  2329. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2330. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2331. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2332. *ret_val = 0;
  2333. rc = -EFAULT;
  2334. } else {
  2335. /* Data */
  2336. val = ((phy->addr << 21) | (devad << 16) |
  2337. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2338. EMAC_MDIO_COMM_START_BUSY);
  2339. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2340. for (i = 0; i < 50; i++) {
  2341. udelay(10);
  2342. val = REG_RD(bp, phy->mdio_ctrl +
  2343. EMAC_REG_EMAC_MDIO_COMM);
  2344. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2345. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2346. break;
  2347. }
  2348. }
  2349. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2350. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2351. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2352. *ret_val = 0;
  2353. rc = -EFAULT;
  2354. }
  2355. }
  2356. /* Work around for E3 A0 */
  2357. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2358. phy->flags ^= FLAGS_DUMMY_READ;
  2359. if (phy->flags & FLAGS_DUMMY_READ) {
  2360. u16 temp_val;
  2361. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2362. }
  2363. }
  2364. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2365. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2366. EMAC_MDIO_STATUS_10MB);
  2367. return rc;
  2368. }
  2369. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2370. u8 devad, u16 reg, u16 val)
  2371. {
  2372. u32 tmp;
  2373. u8 i;
  2374. int rc = 0;
  2375. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2376. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2377. EMAC_MDIO_STATUS_10MB);
  2378. /* Address */
  2379. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2380. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2381. EMAC_MDIO_COMM_START_BUSY);
  2382. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2383. for (i = 0; i < 50; i++) {
  2384. udelay(10);
  2385. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2386. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2387. udelay(5);
  2388. break;
  2389. }
  2390. }
  2391. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2392. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2393. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2394. rc = -EFAULT;
  2395. } else {
  2396. /* Data */
  2397. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2398. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2399. EMAC_MDIO_COMM_START_BUSY);
  2400. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2401. for (i = 0; i < 50; i++) {
  2402. udelay(10);
  2403. tmp = REG_RD(bp, phy->mdio_ctrl +
  2404. EMAC_REG_EMAC_MDIO_COMM);
  2405. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2406. udelay(5);
  2407. break;
  2408. }
  2409. }
  2410. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2411. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2412. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2413. rc = -EFAULT;
  2414. }
  2415. }
  2416. /* Work around for E3 A0 */
  2417. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2418. phy->flags ^= FLAGS_DUMMY_READ;
  2419. if (phy->flags & FLAGS_DUMMY_READ) {
  2420. u16 temp_val;
  2421. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2422. }
  2423. }
  2424. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2425. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2426. EMAC_MDIO_STATUS_10MB);
  2427. return rc;
  2428. }
  2429. /******************************************************************/
  2430. /* EEE section */
  2431. /******************************************************************/
  2432. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2433. {
  2434. struct bnx2x *bp = params->bp;
  2435. if (REG_RD(bp, params->shmem2_base) <=
  2436. offsetof(struct shmem2_region, eee_status[params->port]))
  2437. return 0;
  2438. return 1;
  2439. }
  2440. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2441. {
  2442. switch (nvram_mode) {
  2443. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2444. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2445. break;
  2446. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2447. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2448. break;
  2449. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2450. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2451. break;
  2452. default:
  2453. *idle_timer = 0;
  2454. break;
  2455. }
  2456. return 0;
  2457. }
  2458. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2459. {
  2460. switch (idle_timer) {
  2461. case EEE_MODE_NVRAM_BALANCED_TIME:
  2462. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2463. break;
  2464. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2465. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2466. break;
  2467. case EEE_MODE_NVRAM_LATENCY_TIME:
  2468. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2469. break;
  2470. default:
  2471. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2472. break;
  2473. }
  2474. return 0;
  2475. }
  2476. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2477. {
  2478. u32 eee_mode, eee_idle;
  2479. struct bnx2x *bp = params->bp;
  2480. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2481. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2482. /* time value in eee_mode --> used directly*/
  2483. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2484. } else {
  2485. /* hsi value in eee_mode --> time */
  2486. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2487. EEE_MODE_NVRAM_MASK,
  2488. &eee_idle))
  2489. return 0;
  2490. }
  2491. } else {
  2492. /* hsi values in nvram --> time*/
  2493. eee_mode = ((REG_RD(bp, params->shmem_base +
  2494. offsetof(struct shmem_region, dev_info.
  2495. port_feature_config[params->port].
  2496. eee_power_mode)) &
  2497. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2498. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2499. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2500. return 0;
  2501. }
  2502. return eee_idle;
  2503. }
  2504. static int bnx2x_eee_set_timers(struct link_params *params,
  2505. struct link_vars *vars)
  2506. {
  2507. u32 eee_idle = 0, eee_mode;
  2508. struct bnx2x *bp = params->bp;
  2509. eee_idle = bnx2x_eee_calc_timer(params);
  2510. if (eee_idle) {
  2511. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2512. eee_idle);
  2513. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2514. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2515. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2516. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2517. return -EINVAL;
  2518. }
  2519. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2520. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2521. /* eee_idle in 1u --> eee_status in 16u */
  2522. eee_idle >>= 4;
  2523. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2524. SHMEM_EEE_TIME_OUTPUT_BIT;
  2525. } else {
  2526. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2527. return -EINVAL;
  2528. vars->eee_status |= eee_mode;
  2529. }
  2530. return 0;
  2531. }
  2532. static int bnx2x_eee_initial_config(struct link_params *params,
  2533. struct link_vars *vars, u8 mode)
  2534. {
  2535. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2536. /* Propogate params' bits --> vars (for migration exposure) */
  2537. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2538. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2539. else
  2540. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2541. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2542. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2543. else
  2544. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2545. return bnx2x_eee_set_timers(params, vars);
  2546. }
  2547. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2548. struct link_params *params,
  2549. struct link_vars *vars)
  2550. {
  2551. struct bnx2x *bp = params->bp;
  2552. /* Make Certain LPI is disabled */
  2553. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2554. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2555. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2556. return 0;
  2557. }
  2558. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2559. struct link_params *params,
  2560. struct link_vars *vars, u8 modes)
  2561. {
  2562. struct bnx2x *bp = params->bp;
  2563. u16 val = 0;
  2564. /* Mask events preventing LPI generation */
  2565. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2566. if (modes & SHMEM_EEE_10G_ADV) {
  2567. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2568. val |= 0x8;
  2569. }
  2570. if (modes & SHMEM_EEE_1G_ADV) {
  2571. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2572. val |= 0x4;
  2573. }
  2574. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2575. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2576. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2577. return 0;
  2578. }
  2579. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2580. {
  2581. struct bnx2x *bp = params->bp;
  2582. if (bnx2x_eee_has_cap(params))
  2583. REG_WR(bp, params->shmem2_base +
  2584. offsetof(struct shmem2_region,
  2585. eee_status[params->port]), eee_status);
  2586. }
  2587. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2588. struct link_params *params,
  2589. struct link_vars *vars)
  2590. {
  2591. struct bnx2x *bp = params->bp;
  2592. u16 adv = 0, lp = 0;
  2593. u32 lp_adv = 0;
  2594. u8 neg = 0;
  2595. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2596. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2597. if (lp & 0x2) {
  2598. lp_adv |= SHMEM_EEE_100M_ADV;
  2599. if (adv & 0x2) {
  2600. if (vars->line_speed == SPEED_100)
  2601. neg = 1;
  2602. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2603. }
  2604. }
  2605. if (lp & 0x14) {
  2606. lp_adv |= SHMEM_EEE_1G_ADV;
  2607. if (adv & 0x14) {
  2608. if (vars->line_speed == SPEED_1000)
  2609. neg = 1;
  2610. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2611. }
  2612. }
  2613. if (lp & 0x68) {
  2614. lp_adv |= SHMEM_EEE_10G_ADV;
  2615. if (adv & 0x68) {
  2616. if (vars->line_speed == SPEED_10000)
  2617. neg = 1;
  2618. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2619. }
  2620. }
  2621. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2622. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2623. if (neg) {
  2624. DP(NETIF_MSG_LINK, "EEE is active\n");
  2625. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2626. }
  2627. }
  2628. /******************************************************************/
  2629. /* BSC access functions from E3 */
  2630. /******************************************************************/
  2631. static void bnx2x_bsc_module_sel(struct link_params *params)
  2632. {
  2633. int idx;
  2634. u32 board_cfg, sfp_ctrl;
  2635. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2636. struct bnx2x *bp = params->bp;
  2637. u8 port = params->port;
  2638. /* Read I2C output PINs */
  2639. board_cfg = REG_RD(bp, params->shmem_base +
  2640. offsetof(struct shmem_region,
  2641. dev_info.shared_hw_config.board));
  2642. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2643. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2644. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2645. /* Read I2C output value */
  2646. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2647. offsetof(struct shmem_region,
  2648. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2649. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2650. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2651. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2652. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2653. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2654. }
  2655. static int bnx2x_bsc_read(struct link_params *params,
  2656. struct bnx2x_phy *phy,
  2657. u8 sl_devid,
  2658. u16 sl_addr,
  2659. u8 lc_addr,
  2660. u8 xfer_cnt,
  2661. u32 *data_array)
  2662. {
  2663. u32 val, i;
  2664. int rc = 0;
  2665. struct bnx2x *bp = params->bp;
  2666. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2667. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2668. return -EINVAL;
  2669. }
  2670. if (xfer_cnt > 16) {
  2671. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2672. xfer_cnt);
  2673. return -EINVAL;
  2674. }
  2675. bnx2x_bsc_module_sel(params);
  2676. xfer_cnt = 16 - lc_addr;
  2677. /* Enable the engine */
  2678. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2679. val |= MCPR_IMC_COMMAND_ENABLE;
  2680. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2681. /* Program slave device ID */
  2682. val = (sl_devid << 16) | sl_addr;
  2683. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2684. /* Start xfer with 0 byte to update the address pointer ???*/
  2685. val = (MCPR_IMC_COMMAND_ENABLE) |
  2686. (MCPR_IMC_COMMAND_WRITE_OP <<
  2687. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2688. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2689. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2690. /* Poll for completion */
  2691. i = 0;
  2692. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2693. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2694. udelay(10);
  2695. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2696. if (i++ > 1000) {
  2697. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2698. i);
  2699. rc = -EFAULT;
  2700. break;
  2701. }
  2702. }
  2703. if (rc == -EFAULT)
  2704. return rc;
  2705. /* Start xfer with read op */
  2706. val = (MCPR_IMC_COMMAND_ENABLE) |
  2707. (MCPR_IMC_COMMAND_READ_OP <<
  2708. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2709. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2710. (xfer_cnt);
  2711. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2712. /* Poll for completion */
  2713. i = 0;
  2714. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2715. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2716. udelay(10);
  2717. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2718. if (i++ > 1000) {
  2719. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2720. rc = -EFAULT;
  2721. break;
  2722. }
  2723. }
  2724. if (rc == -EFAULT)
  2725. return rc;
  2726. for (i = (lc_addr >> 2); i < 4; i++) {
  2727. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2728. #ifdef __BIG_ENDIAN
  2729. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2730. ((data_array[i] & 0x0000ff00) << 8) |
  2731. ((data_array[i] & 0x00ff0000) >> 8) |
  2732. ((data_array[i] & 0xff000000) >> 24);
  2733. #endif
  2734. }
  2735. return rc;
  2736. }
  2737. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2738. u8 devad, u16 reg, u16 or_val)
  2739. {
  2740. u16 val;
  2741. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2742. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2743. }
  2744. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2745. u8 devad, u16 reg, u16 *ret_val)
  2746. {
  2747. u8 phy_index;
  2748. /* Probe for the phy according to the given phy_addr, and execute
  2749. * the read request on it
  2750. */
  2751. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2752. if (params->phy[phy_index].addr == phy_addr) {
  2753. return bnx2x_cl45_read(params->bp,
  2754. &params->phy[phy_index], devad,
  2755. reg, ret_val);
  2756. }
  2757. }
  2758. return -EINVAL;
  2759. }
  2760. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2761. u8 devad, u16 reg, u16 val)
  2762. {
  2763. u8 phy_index;
  2764. /* Probe for the phy according to the given phy_addr, and execute
  2765. * the write request on it
  2766. */
  2767. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2768. if (params->phy[phy_index].addr == phy_addr) {
  2769. return bnx2x_cl45_write(params->bp,
  2770. &params->phy[phy_index], devad,
  2771. reg, val);
  2772. }
  2773. }
  2774. return -EINVAL;
  2775. }
  2776. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2777. struct link_params *params)
  2778. {
  2779. u8 lane = 0;
  2780. struct bnx2x *bp = params->bp;
  2781. u32 path_swap, path_swap_ovr;
  2782. u8 path, port;
  2783. path = BP_PATH(bp);
  2784. port = params->port;
  2785. if (bnx2x_is_4_port_mode(bp)) {
  2786. u32 port_swap, port_swap_ovr;
  2787. /* Figure out path swap value */
  2788. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2789. if (path_swap_ovr & 0x1)
  2790. path_swap = (path_swap_ovr & 0x2);
  2791. else
  2792. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2793. if (path_swap)
  2794. path = path ^ 1;
  2795. /* Figure out port swap value */
  2796. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2797. if (port_swap_ovr & 0x1)
  2798. port_swap = (port_swap_ovr & 0x2);
  2799. else
  2800. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2801. if (port_swap)
  2802. port = port ^ 1;
  2803. lane = (port<<1) + path;
  2804. } else { /* Two port mode - no port swap */
  2805. /* Figure out path swap value */
  2806. path_swap_ovr =
  2807. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2808. if (path_swap_ovr & 0x1) {
  2809. path_swap = (path_swap_ovr & 0x2);
  2810. } else {
  2811. path_swap =
  2812. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2813. }
  2814. if (path_swap)
  2815. path = path ^ 1;
  2816. lane = path << 1 ;
  2817. }
  2818. return lane;
  2819. }
  2820. static void bnx2x_set_aer_mmd(struct link_params *params,
  2821. struct bnx2x_phy *phy)
  2822. {
  2823. u32 ser_lane;
  2824. u16 offset, aer_val;
  2825. struct bnx2x *bp = params->bp;
  2826. ser_lane = ((params->lane_config &
  2827. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2828. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2829. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2830. (phy->addr + ser_lane) : 0;
  2831. if (USES_WARPCORE(bp)) {
  2832. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2833. /* In Dual-lane mode, two lanes are joined together,
  2834. * so in order to configure them, the AER broadcast method is
  2835. * used here.
  2836. * 0x200 is the broadcast address for lanes 0,1
  2837. * 0x201 is the broadcast address for lanes 2,3
  2838. */
  2839. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2840. aer_val = (aer_val >> 1) | 0x200;
  2841. } else if (CHIP_IS_E2(bp))
  2842. aer_val = 0x3800 + offset - 1;
  2843. else
  2844. aer_val = 0x3800 + offset;
  2845. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2846. MDIO_AER_BLOCK_AER_REG, aer_val);
  2847. }
  2848. /******************************************************************/
  2849. /* Internal phy section */
  2850. /******************************************************************/
  2851. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2852. {
  2853. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2854. /* Set Clause 22 */
  2855. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2856. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2857. udelay(500);
  2858. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2859. udelay(500);
  2860. /* Set Clause 45 */
  2861. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2862. }
  2863. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2864. {
  2865. u32 val;
  2866. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2867. val = SERDES_RESET_BITS << (port*16);
  2868. /* Reset and unreset the SerDes/XGXS */
  2869. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2870. udelay(500);
  2871. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2872. bnx2x_set_serdes_access(bp, port);
  2873. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2874. DEFAULT_PHY_DEV_ADDR);
  2875. }
  2876. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2877. struct link_params *params,
  2878. u32 action)
  2879. {
  2880. struct bnx2x *bp = params->bp;
  2881. switch (action) {
  2882. case PHY_INIT:
  2883. /* Set correct devad */
  2884. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2885. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2886. phy->def_md_devad);
  2887. break;
  2888. }
  2889. }
  2890. static void bnx2x_xgxs_deassert(struct link_params *params)
  2891. {
  2892. struct bnx2x *bp = params->bp;
  2893. u8 port;
  2894. u32 val;
  2895. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2896. port = params->port;
  2897. val = XGXS_RESET_BITS << (port*16);
  2898. /* Reset and unreset the SerDes/XGXS */
  2899. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2900. udelay(500);
  2901. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2902. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2903. PHY_INIT);
  2904. }
  2905. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2906. struct link_params *params, u16 *ieee_fc)
  2907. {
  2908. struct bnx2x *bp = params->bp;
  2909. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2910. /* Resolve pause mode and advertisement Please refer to Table
  2911. * 28B-3 of the 802.3ab-1999 spec
  2912. */
  2913. switch (phy->req_flow_ctrl) {
  2914. case BNX2X_FLOW_CTRL_AUTO:
  2915. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2916. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2917. else
  2918. *ieee_fc |=
  2919. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2920. break;
  2921. case BNX2X_FLOW_CTRL_TX:
  2922. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2923. break;
  2924. case BNX2X_FLOW_CTRL_RX:
  2925. case BNX2X_FLOW_CTRL_BOTH:
  2926. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2927. break;
  2928. case BNX2X_FLOW_CTRL_NONE:
  2929. default:
  2930. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2931. break;
  2932. }
  2933. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2934. }
  2935. static void set_phy_vars(struct link_params *params,
  2936. struct link_vars *vars)
  2937. {
  2938. struct bnx2x *bp = params->bp;
  2939. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2940. u8 phy_config_swapped = params->multi_phy_config &
  2941. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2942. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2943. phy_index++) {
  2944. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2945. actual_phy_idx = phy_index;
  2946. if (phy_config_swapped) {
  2947. if (phy_index == EXT_PHY1)
  2948. actual_phy_idx = EXT_PHY2;
  2949. else if (phy_index == EXT_PHY2)
  2950. actual_phy_idx = EXT_PHY1;
  2951. }
  2952. params->phy[actual_phy_idx].req_flow_ctrl =
  2953. params->req_flow_ctrl[link_cfg_idx];
  2954. params->phy[actual_phy_idx].req_line_speed =
  2955. params->req_line_speed[link_cfg_idx];
  2956. params->phy[actual_phy_idx].speed_cap_mask =
  2957. params->speed_cap_mask[link_cfg_idx];
  2958. params->phy[actual_phy_idx].req_duplex =
  2959. params->req_duplex[link_cfg_idx];
  2960. if (params->req_line_speed[link_cfg_idx] ==
  2961. SPEED_AUTO_NEG)
  2962. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2963. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  2964. " speed_cap_mask %x\n",
  2965. params->phy[actual_phy_idx].req_flow_ctrl,
  2966. params->phy[actual_phy_idx].req_line_speed,
  2967. params->phy[actual_phy_idx].speed_cap_mask);
  2968. }
  2969. }
  2970. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  2971. struct bnx2x_phy *phy,
  2972. struct link_vars *vars)
  2973. {
  2974. u16 val;
  2975. struct bnx2x *bp = params->bp;
  2976. /* Read modify write pause advertizing */
  2977. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  2978. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  2979. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  2980. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2981. if ((vars->ieee_fc &
  2982. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  2983. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  2984. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  2985. }
  2986. if ((vars->ieee_fc &
  2987. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  2988. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  2989. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  2990. }
  2991. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  2992. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  2993. }
  2994. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  2995. { /* LD LP */
  2996. switch (pause_result) { /* ASYM P ASYM P */
  2997. case 0xb: /* 1 0 1 1 */
  2998. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  2999. break;
  3000. case 0xe: /* 1 1 1 0 */
  3001. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3002. break;
  3003. case 0x5: /* 0 1 0 1 */
  3004. case 0x7: /* 0 1 1 1 */
  3005. case 0xd: /* 1 1 0 1 */
  3006. case 0xf: /* 1 1 1 1 */
  3007. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3008. break;
  3009. default:
  3010. break;
  3011. }
  3012. if (pause_result & (1<<0))
  3013. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3014. if (pause_result & (1<<1))
  3015. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3016. }
  3017. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3018. struct link_params *params,
  3019. struct link_vars *vars)
  3020. {
  3021. u16 ld_pause; /* local */
  3022. u16 lp_pause; /* link partner */
  3023. u16 pause_result;
  3024. struct bnx2x *bp = params->bp;
  3025. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3026. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3027. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3028. } else if (CHIP_IS_E3(bp) &&
  3029. SINGLE_MEDIA_DIRECT(params)) {
  3030. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3031. u16 gp_status, gp_mask;
  3032. bnx2x_cl45_read(bp, phy,
  3033. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3034. &gp_status);
  3035. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3036. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3037. lane;
  3038. if ((gp_status & gp_mask) == gp_mask) {
  3039. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3040. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3041. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3042. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3043. } else {
  3044. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3045. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3046. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3047. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3048. ld_pause = ((ld_pause &
  3049. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3050. << 3);
  3051. lp_pause = ((lp_pause &
  3052. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3053. << 3);
  3054. }
  3055. } else {
  3056. bnx2x_cl45_read(bp, phy,
  3057. MDIO_AN_DEVAD,
  3058. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3059. bnx2x_cl45_read(bp, phy,
  3060. MDIO_AN_DEVAD,
  3061. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3062. }
  3063. pause_result = (ld_pause &
  3064. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3065. pause_result |= (lp_pause &
  3066. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3067. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3068. bnx2x_pause_resolve(vars, pause_result);
  3069. }
  3070. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3071. struct link_params *params,
  3072. struct link_vars *vars)
  3073. {
  3074. u8 ret = 0;
  3075. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3076. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3077. /* Update the advertised flow-controled of LD/LP in AN */
  3078. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3079. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3080. /* But set the flow-control result as the requested one */
  3081. vars->flow_ctrl = phy->req_flow_ctrl;
  3082. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3083. vars->flow_ctrl = params->req_fc_auto_adv;
  3084. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3085. ret = 1;
  3086. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3087. }
  3088. return ret;
  3089. }
  3090. /******************************************************************/
  3091. /* Warpcore section */
  3092. /******************************************************************/
  3093. /* The init_internal_warpcore should mirror the xgxs,
  3094. * i.e. reset the lane (if needed), set aer for the
  3095. * init configuration, and set/clear SGMII flag. Internal
  3096. * phy init is done purely in phy_init stage.
  3097. */
  3098. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3099. struct link_params *params)
  3100. {
  3101. struct bnx2x *bp = params->bp;
  3102. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3103. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3104. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3105. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3106. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3107. }
  3108. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3109. struct link_params *params,
  3110. struct link_vars *vars) {
  3111. u16 lane, i, cl72_ctrl, an_adv = 0;
  3112. u16 ucode_ver;
  3113. struct bnx2x *bp = params->bp;
  3114. static struct bnx2x_reg_set reg_set[] = {
  3115. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3116. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3117. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3118. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3119. /* Disable Autoneg: re-enable it after adv is done. */
  3120. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3121. };
  3122. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3123. /* Set to default registers that may be overriden by 10G force */
  3124. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3125. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3126. reg_set[i].val);
  3127. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3128. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3129. cl72_ctrl &= 0xf8ff;
  3130. cl72_ctrl |= 0x3800;
  3131. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3132. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3133. /* Check adding advertisement for 1G KX */
  3134. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3135. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3136. (vars->line_speed == SPEED_1000)) {
  3137. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3138. an_adv |= (1<<5);
  3139. /* Enable CL37 1G Parallel Detect */
  3140. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3141. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3142. }
  3143. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3144. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3145. (vars->line_speed == SPEED_10000)) {
  3146. /* Check adding advertisement for 10G KR */
  3147. an_adv |= (1<<7);
  3148. /* Enable 10G Parallel Detect */
  3149. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3150. MDIO_AER_BLOCK_AER_REG, 0);
  3151. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3152. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3153. bnx2x_set_aer_mmd(params, phy);
  3154. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3155. }
  3156. /* Set Transmit PMD settings */
  3157. lane = bnx2x_get_warpcore_lane(phy, params);
  3158. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3159. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3160. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3161. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3162. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3163. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3164. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3165. 0x03f0);
  3166. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3167. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3168. 0x03f0);
  3169. /* Advertised speeds */
  3170. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3171. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3172. /* Advertised and set FEC (Forward Error Correction) */
  3173. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3174. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3175. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3176. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3177. /* Enable CL37 BAM */
  3178. if (REG_RD(bp, params->shmem_base +
  3179. offsetof(struct shmem_region, dev_info.
  3180. port_hw_config[params->port].default_cfg)) &
  3181. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3182. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3183. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3184. 1);
  3185. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3186. }
  3187. /* Advertise pause */
  3188. bnx2x_ext_phy_set_pause(params, phy, vars);
  3189. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3190. */
  3191. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3192. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3193. if (ucode_ver < 0xd108) {
  3194. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3195. ucode_ver);
  3196. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3197. }
  3198. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3199. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3200. /* Over 1G - AN local device user page 1 */
  3201. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3202. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3203. /* Enable Autoneg */
  3204. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3205. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3206. }
  3207. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3208. struct link_params *params,
  3209. struct link_vars *vars)
  3210. {
  3211. struct bnx2x *bp = params->bp;
  3212. u16 val16, i, lane;
  3213. static struct bnx2x_reg_set reg_set[] = {
  3214. /* Disable Autoneg */
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3216. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3217. 0x3f00},
  3218. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3219. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3220. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3221. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3222. /* Leave cl72 training enable, needed for KR */
  3223. {MDIO_PMA_DEVAD,
  3224. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3225. 0x2}
  3226. };
  3227. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3228. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3229. reg_set[i].val);
  3230. lane = bnx2x_get_warpcore_lane(phy, params);
  3231. /* Global registers */
  3232. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3233. MDIO_AER_BLOCK_AER_REG, 0);
  3234. /* Disable CL36 PCS Tx */
  3235. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3236. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3237. val16 &= ~(0x0011 << lane);
  3238. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3239. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3240. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3241. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3242. val16 |= (0x0303 << (lane << 1));
  3243. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3245. /* Restore AER */
  3246. bnx2x_set_aer_mmd(params, phy);
  3247. /* Set speed via PMA/PMD register */
  3248. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3249. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3250. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3251. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3252. /* Enable encoded forced speed */
  3253. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3254. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3255. /* Turn TX scramble payload only the 64/66 scrambler */
  3256. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3257. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3258. /* Turn RX scramble payload only the 64/66 scrambler */
  3259. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3260. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3261. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3262. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3263. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3264. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3266. }
  3267. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3268. struct link_params *params,
  3269. u8 is_xfi)
  3270. {
  3271. struct bnx2x *bp = params->bp;
  3272. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3273. /* Hold rxSeqStart */
  3274. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3276. /* Hold tx_fifo_reset */
  3277. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3278. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3279. /* Disable CL73 AN */
  3280. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3281. /* Disable 100FX Enable and Auto-Detect */
  3282. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3283. MDIO_WC_REG_FX100_CTRL1, &val);
  3284. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3285. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3286. /* Disable 100FX Idle detect */
  3287. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3289. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3290. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3291. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3292. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3293. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3294. /* Turn off auto-detect & fiber mode */
  3295. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3296. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3297. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3299. (val & 0xFFEE));
  3300. /* Set filter_force_link, disable_false_link and parallel_detect */
  3301. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3302. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3303. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3305. ((val | 0x0006) & 0xFFFE));
  3306. /* Set XFI / SFI */
  3307. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3309. misc1_val &= ~(0x1f);
  3310. if (is_xfi) {
  3311. misc1_val |= 0x5;
  3312. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3313. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3314. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3315. tx_driver_val =
  3316. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3317. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3318. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3319. } else {
  3320. misc1_val |= 0x9;
  3321. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3322. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3323. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3324. tx_driver_val =
  3325. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3326. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3327. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3328. }
  3329. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3330. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3331. /* Set Transmit PMD settings */
  3332. lane = bnx2x_get_warpcore_lane(phy, params);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_TX_FIR_TAP,
  3335. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3336. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3338. tx_driver_val);
  3339. /* Enable fiber mode, enable and invert sig_det */
  3340. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3342. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3343. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3345. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3346. /* 10G XFI Full Duplex */
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3349. /* Release tx_fifo_reset */
  3350. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3352. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3353. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3354. /* Release rxSeqStart */
  3355. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3356. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3359. }
  3360. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3361. struct bnx2x_phy *phy)
  3362. {
  3363. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3364. }
  3365. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3366. struct bnx2x_phy *phy,
  3367. u16 lane)
  3368. {
  3369. /* Rx0 anaRxControl1G */
  3370. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3371. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3372. /* Rx2 anaRxControl1G */
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3377. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3389. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3390. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3391. /* Serdes Digital Misc1 */
  3392. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3393. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3394. /* Serdes Digital4 Misc3 */
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3397. /* Set Transmit PMD settings */
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_TX_FIR_TAP,
  3400. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3401. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3402. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3403. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3404. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3405. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3406. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3407. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3408. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3409. }
  3410. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3411. struct link_params *params,
  3412. u8 fiber_mode,
  3413. u8 always_autoneg)
  3414. {
  3415. struct bnx2x *bp = params->bp;
  3416. u16 val16, digctrl_kx1, digctrl_kx2;
  3417. /* Clear XFI clock comp in non-10G single lane mode. */
  3418. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_RX66_CONTROL, &val16);
  3420. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3422. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3423. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3424. /* SGMII Autoneg */
  3425. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3427. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3428. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3429. val16 | 0x1000);
  3430. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3431. } else {
  3432. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3433. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3434. val16 &= 0xcebf;
  3435. switch (phy->req_line_speed) {
  3436. case SPEED_10:
  3437. break;
  3438. case SPEED_100:
  3439. val16 |= 0x2000;
  3440. break;
  3441. case SPEED_1000:
  3442. val16 |= 0x0040;
  3443. break;
  3444. default:
  3445. DP(NETIF_MSG_LINK,
  3446. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3447. return;
  3448. }
  3449. if (phy->req_duplex == DUPLEX_FULL)
  3450. val16 |= 0x0100;
  3451. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3452. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3453. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3454. phy->req_line_speed);
  3455. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3456. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3457. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3458. }
  3459. /* SGMII Slave mode and disable signal detect */
  3460. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3462. if (fiber_mode)
  3463. digctrl_kx1 = 1;
  3464. else
  3465. digctrl_kx1 &= 0xff4a;
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3468. digctrl_kx1);
  3469. /* Turn off parallel detect */
  3470. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3472. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3473. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3474. (digctrl_kx2 & ~(1<<2)));
  3475. /* Re-enable parallel detect */
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3478. (digctrl_kx2 | (1<<2)));
  3479. /* Enable autodet */
  3480. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3482. (digctrl_kx1 | 0x10));
  3483. }
  3484. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3485. struct bnx2x_phy *phy,
  3486. u8 reset)
  3487. {
  3488. u16 val;
  3489. /* Take lane out of reset after configuration is finished */
  3490. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3492. if (reset)
  3493. val |= 0xC000;
  3494. else
  3495. val &= 0x3FFF;
  3496. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3497. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3498. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3499. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3500. }
  3501. /* Clear SFI/XFI link settings registers */
  3502. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3503. struct link_params *params,
  3504. u16 lane)
  3505. {
  3506. struct bnx2x *bp = params->bp;
  3507. u16 i;
  3508. static struct bnx2x_reg_set wc_regs[] = {
  3509. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3510. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3511. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3512. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3513. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3514. 0x0195},
  3515. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3516. 0x0007},
  3517. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3518. 0x0002},
  3519. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3520. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3521. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3522. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3523. };
  3524. /* Set XFI clock comp as default. */
  3525. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3526. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3527. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3528. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3529. wc_regs[i].val);
  3530. lane = bnx2x_get_warpcore_lane(phy, params);
  3531. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3532. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3533. }
  3534. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3535. u32 chip_id,
  3536. u32 shmem_base, u8 port,
  3537. u8 *gpio_num, u8 *gpio_port)
  3538. {
  3539. u32 cfg_pin;
  3540. *gpio_num = 0;
  3541. *gpio_port = 0;
  3542. if (CHIP_IS_E3(bp)) {
  3543. cfg_pin = (REG_RD(bp, shmem_base +
  3544. offsetof(struct shmem_region,
  3545. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3546. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3547. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3548. /* Should not happen. This function called upon interrupt
  3549. * triggered by GPIO ( since EPIO can only generate interrupts
  3550. * to MCP).
  3551. * So if this function was called and none of the GPIOs was set,
  3552. * it means the shit hit the fan.
  3553. */
  3554. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3555. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3556. DP(NETIF_MSG_LINK,
  3557. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3558. cfg_pin);
  3559. return -EINVAL;
  3560. }
  3561. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3562. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3563. } else {
  3564. *gpio_num = MISC_REGISTERS_GPIO_3;
  3565. *gpio_port = port;
  3566. }
  3567. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3568. return 0;
  3569. }
  3570. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3571. struct link_params *params)
  3572. {
  3573. struct bnx2x *bp = params->bp;
  3574. u8 gpio_num, gpio_port;
  3575. u32 gpio_val;
  3576. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3577. params->shmem_base, params->port,
  3578. &gpio_num, &gpio_port) != 0)
  3579. return 0;
  3580. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3581. /* Call the handling function in case module is detected */
  3582. if (gpio_val == 0)
  3583. return 1;
  3584. else
  3585. return 0;
  3586. }
  3587. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3588. struct link_params *params)
  3589. {
  3590. u16 gp2_status_reg0, lane;
  3591. struct bnx2x *bp = params->bp;
  3592. lane = bnx2x_get_warpcore_lane(phy, params);
  3593. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3594. &gp2_status_reg0);
  3595. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3596. }
  3597. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3598. struct link_params *params,
  3599. struct link_vars *vars)
  3600. {
  3601. struct bnx2x *bp = params->bp;
  3602. u32 serdes_net_if;
  3603. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3604. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3605. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3606. if (!vars->turn_to_run_wc_rt)
  3607. return;
  3608. /* Return if there is no link partner */
  3609. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3610. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3611. return;
  3612. }
  3613. if (vars->rx_tx_asic_rst) {
  3614. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3615. offsetof(struct shmem_region, dev_info.
  3616. port_hw_config[params->port].default_cfg)) &
  3617. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3618. switch (serdes_net_if) {
  3619. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3620. /* Do we get link yet? */
  3621. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3622. &gp_status1);
  3623. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3624. /*10G KR*/
  3625. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3626. DP(NETIF_MSG_LINK,
  3627. "gp_status1 0x%x\n", gp_status1);
  3628. if (lnkup_kr || lnkup) {
  3629. vars->rx_tx_asic_rst = 0;
  3630. DP(NETIF_MSG_LINK,
  3631. "link up, rx_tx_asic_rst 0x%x\n",
  3632. vars->rx_tx_asic_rst);
  3633. } else {
  3634. /* Reset the lane to see if link comes up.*/
  3635. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3636. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3637. /* Restart Autoneg */
  3638. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3639. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3640. vars->rx_tx_asic_rst--;
  3641. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3642. vars->rx_tx_asic_rst);
  3643. }
  3644. break;
  3645. default:
  3646. break;
  3647. }
  3648. } /*params->rx_tx_asic_rst*/
  3649. }
  3650. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3651. struct link_params *params)
  3652. {
  3653. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3654. struct bnx2x *bp = params->bp;
  3655. bnx2x_warpcore_clear_regs(phy, params, lane);
  3656. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3657. SPEED_10000) &&
  3658. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3659. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3660. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3661. } else {
  3662. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3663. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3664. }
  3665. }
  3666. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3667. struct link_params *params,
  3668. struct link_vars *vars)
  3669. {
  3670. struct bnx2x *bp = params->bp;
  3671. u32 serdes_net_if;
  3672. u8 fiber_mode;
  3673. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3674. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3675. offsetof(struct shmem_region, dev_info.
  3676. port_hw_config[params->port].default_cfg)) &
  3677. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3678. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3679. "serdes_net_if = 0x%x\n",
  3680. vars->line_speed, serdes_net_if);
  3681. bnx2x_set_aer_mmd(params, phy);
  3682. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3683. vars->phy_flags |= PHY_XGXS_FLAG;
  3684. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3685. (phy->req_line_speed &&
  3686. ((phy->req_line_speed == SPEED_100) ||
  3687. (phy->req_line_speed == SPEED_10)))) {
  3688. vars->phy_flags |= PHY_SGMII_FLAG;
  3689. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3690. bnx2x_warpcore_clear_regs(phy, params, lane);
  3691. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3692. } else {
  3693. switch (serdes_net_if) {
  3694. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3695. /* Enable KR Auto Neg */
  3696. if (params->loopback_mode != LOOPBACK_EXT)
  3697. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3698. else {
  3699. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3700. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3701. }
  3702. break;
  3703. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3704. bnx2x_warpcore_clear_regs(phy, params, lane);
  3705. if (vars->line_speed == SPEED_10000) {
  3706. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3707. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3708. } else {
  3709. if (SINGLE_MEDIA_DIRECT(params)) {
  3710. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3711. fiber_mode = 1;
  3712. } else {
  3713. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3714. fiber_mode = 0;
  3715. }
  3716. bnx2x_warpcore_set_sgmii_speed(phy,
  3717. params,
  3718. fiber_mode,
  3719. 0);
  3720. }
  3721. break;
  3722. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3723. /* Issue Module detection */
  3724. if (bnx2x_is_sfp_module_plugged(phy, params))
  3725. bnx2x_sfp_module_detection(phy, params);
  3726. bnx2x_warpcore_config_sfi(phy, params);
  3727. break;
  3728. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3729. if (vars->line_speed != SPEED_20000) {
  3730. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3731. return;
  3732. }
  3733. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3734. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3735. /* Issue Module detection */
  3736. bnx2x_sfp_module_detection(phy, params);
  3737. break;
  3738. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3739. if (vars->line_speed != SPEED_20000) {
  3740. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3741. return;
  3742. }
  3743. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3744. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3745. break;
  3746. default:
  3747. DP(NETIF_MSG_LINK,
  3748. "Unsupported Serdes Net Interface 0x%x\n",
  3749. serdes_net_if);
  3750. return;
  3751. }
  3752. }
  3753. /* Take lane out of reset after configuration is finished */
  3754. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3755. DP(NETIF_MSG_LINK, "Exit config init\n");
  3756. }
  3757. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3758. struct bnx2x_phy *phy,
  3759. u8 tx_en)
  3760. {
  3761. struct bnx2x *bp = params->bp;
  3762. u32 cfg_pin;
  3763. u8 port = params->port;
  3764. cfg_pin = REG_RD(bp, params->shmem_base +
  3765. offsetof(struct shmem_region,
  3766. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3767. PORT_HW_CFG_TX_LASER_MASK;
  3768. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3769. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3770. /* For 20G, the expected pin to be used is 3 pins after the current */
  3771. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3772. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3773. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3774. }
  3775. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3776. struct link_params *params)
  3777. {
  3778. struct bnx2x *bp = params->bp;
  3779. u16 val16, lane;
  3780. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3781. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3782. bnx2x_set_aer_mmd(params, phy);
  3783. /* Global register */
  3784. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3785. /* Clear loopback settings (if any) */
  3786. /* 10G & 20G */
  3787. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3788. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3789. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3790. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3791. 0xBFFF);
  3792. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3793. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3794. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3795. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3796. /* Update those 1-copy registers */
  3797. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3798. MDIO_AER_BLOCK_AER_REG, 0);
  3799. /* Enable 1G MDIO (1-copy) */
  3800. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3801. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3802. &val16);
  3803. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3804. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3805. val16 & ~0x10);
  3806. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3807. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3808. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3809. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3810. val16 & 0xff00);
  3811. lane = bnx2x_get_warpcore_lane(phy, params);
  3812. /* Disable CL36 PCS Tx */
  3813. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3814. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3815. val16 |= (0x11 << lane);
  3816. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3817. val16 |= (0x22 << lane);
  3818. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3819. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3820. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3821. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3822. val16 &= ~(0x0303 << (lane << 1));
  3823. val16 |= (0x0101 << (lane << 1));
  3824. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3825. val16 &= ~(0x0c0c << (lane << 1));
  3826. val16 |= (0x0404 << (lane << 1));
  3827. }
  3828. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3829. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3830. /* Restore AER */
  3831. bnx2x_set_aer_mmd(params, phy);
  3832. }
  3833. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3834. struct link_params *params)
  3835. {
  3836. struct bnx2x *bp = params->bp;
  3837. u16 val16;
  3838. u32 lane;
  3839. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3840. params->loopback_mode, phy->req_line_speed);
  3841. if (phy->req_line_speed < SPEED_10000) {
  3842. /* 10/100/1000 */
  3843. /* Update those 1-copy registers */
  3844. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3845. MDIO_AER_BLOCK_AER_REG, 0);
  3846. /* Enable 1G MDIO (1-copy) */
  3847. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3848. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3849. 0x10);
  3850. /* Set 1G loopback based on lane (1-copy) */
  3851. lane = bnx2x_get_warpcore_lane(phy, params);
  3852. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3853. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3854. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3855. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3856. val16 | (1<<lane));
  3857. /* Switch back to 4-copy registers */
  3858. bnx2x_set_aer_mmd(params, phy);
  3859. } else {
  3860. /* 10G & 20G */
  3861. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3862. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3863. 0x4000);
  3864. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3865. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  3866. }
  3867. }
  3868. static void bnx2x_sync_link(struct link_params *params,
  3869. struct link_vars *vars)
  3870. {
  3871. struct bnx2x *bp = params->bp;
  3872. u8 link_10g_plus;
  3873. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3874. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3875. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3876. if (vars->link_up) {
  3877. DP(NETIF_MSG_LINK, "phy link up\n");
  3878. vars->phy_link_up = 1;
  3879. vars->duplex = DUPLEX_FULL;
  3880. switch (vars->link_status &
  3881. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3882. case LINK_10THD:
  3883. vars->duplex = DUPLEX_HALF;
  3884. /* Fall thru */
  3885. case LINK_10TFD:
  3886. vars->line_speed = SPEED_10;
  3887. break;
  3888. case LINK_100TXHD:
  3889. vars->duplex = DUPLEX_HALF;
  3890. /* Fall thru */
  3891. case LINK_100T4:
  3892. case LINK_100TXFD:
  3893. vars->line_speed = SPEED_100;
  3894. break;
  3895. case LINK_1000THD:
  3896. vars->duplex = DUPLEX_HALF;
  3897. /* Fall thru */
  3898. case LINK_1000TFD:
  3899. vars->line_speed = SPEED_1000;
  3900. break;
  3901. case LINK_2500THD:
  3902. vars->duplex = DUPLEX_HALF;
  3903. /* Fall thru */
  3904. case LINK_2500TFD:
  3905. vars->line_speed = SPEED_2500;
  3906. break;
  3907. case LINK_10GTFD:
  3908. vars->line_speed = SPEED_10000;
  3909. break;
  3910. case LINK_20GTFD:
  3911. vars->line_speed = SPEED_20000;
  3912. break;
  3913. default:
  3914. break;
  3915. }
  3916. vars->flow_ctrl = 0;
  3917. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3918. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3919. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3920. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3921. if (!vars->flow_ctrl)
  3922. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3923. if (vars->line_speed &&
  3924. ((vars->line_speed == SPEED_10) ||
  3925. (vars->line_speed == SPEED_100))) {
  3926. vars->phy_flags |= PHY_SGMII_FLAG;
  3927. } else {
  3928. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3929. }
  3930. if (vars->line_speed &&
  3931. USES_WARPCORE(bp) &&
  3932. (vars->line_speed == SPEED_1000))
  3933. vars->phy_flags |= PHY_SGMII_FLAG;
  3934. /* Anything 10 and over uses the bmac */
  3935. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3936. if (link_10g_plus) {
  3937. if (USES_WARPCORE(bp))
  3938. vars->mac_type = MAC_TYPE_XMAC;
  3939. else
  3940. vars->mac_type = MAC_TYPE_BMAC;
  3941. } else {
  3942. if (USES_WARPCORE(bp))
  3943. vars->mac_type = MAC_TYPE_UMAC;
  3944. else
  3945. vars->mac_type = MAC_TYPE_EMAC;
  3946. }
  3947. } else { /* Link down */
  3948. DP(NETIF_MSG_LINK, "phy link down\n");
  3949. vars->phy_link_up = 0;
  3950. vars->line_speed = 0;
  3951. vars->duplex = DUPLEX_FULL;
  3952. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3953. /* Indicate no mac active */
  3954. vars->mac_type = MAC_TYPE_NONE;
  3955. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3956. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3957. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  3958. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  3959. }
  3960. }
  3961. void bnx2x_link_status_update(struct link_params *params,
  3962. struct link_vars *vars)
  3963. {
  3964. struct bnx2x *bp = params->bp;
  3965. u8 port = params->port;
  3966. u32 sync_offset, media_types;
  3967. /* Update PHY configuration */
  3968. set_phy_vars(params, vars);
  3969. vars->link_status = REG_RD(bp, params->shmem_base +
  3970. offsetof(struct shmem_region,
  3971. port_mb[port].link_status));
  3972. if (bnx2x_eee_has_cap(params))
  3973. vars->eee_status = REG_RD(bp, params->shmem2_base +
  3974. offsetof(struct shmem2_region,
  3975. eee_status[params->port]));
  3976. vars->phy_flags = PHY_XGXS_FLAG;
  3977. bnx2x_sync_link(params, vars);
  3978. /* Sync media type */
  3979. sync_offset = params->shmem_base +
  3980. offsetof(struct shmem_region,
  3981. dev_info.port_hw_config[port].media_type);
  3982. media_types = REG_RD(bp, sync_offset);
  3983. params->phy[INT_PHY].media_type =
  3984. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3985. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3986. params->phy[EXT_PHY1].media_type =
  3987. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3988. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3989. params->phy[EXT_PHY2].media_type =
  3990. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3991. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3992. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3993. /* Sync AEU offset */
  3994. sync_offset = params->shmem_base +
  3995. offsetof(struct shmem_region,
  3996. dev_info.port_hw_config[port].aeu_int_mask);
  3997. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3998. /* Sync PFC status */
  3999. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4000. params->feature_config_flags |=
  4001. FEATURE_CONFIG_PFC_ENABLED;
  4002. else
  4003. params->feature_config_flags &=
  4004. ~FEATURE_CONFIG_PFC_ENABLED;
  4005. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4006. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4007. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4008. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4009. }
  4010. static void bnx2x_set_master_ln(struct link_params *params,
  4011. struct bnx2x_phy *phy)
  4012. {
  4013. struct bnx2x *bp = params->bp;
  4014. u16 new_master_ln, ser_lane;
  4015. ser_lane = ((params->lane_config &
  4016. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4017. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4018. /* Set the master_ln for AN */
  4019. CL22_RD_OVER_CL45(bp, phy,
  4020. MDIO_REG_BANK_XGXS_BLOCK2,
  4021. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4022. &new_master_ln);
  4023. CL22_WR_OVER_CL45(bp, phy,
  4024. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4025. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4026. (new_master_ln | ser_lane));
  4027. }
  4028. static int bnx2x_reset_unicore(struct link_params *params,
  4029. struct bnx2x_phy *phy,
  4030. u8 set_serdes)
  4031. {
  4032. struct bnx2x *bp = params->bp;
  4033. u16 mii_control;
  4034. u16 i;
  4035. CL22_RD_OVER_CL45(bp, phy,
  4036. MDIO_REG_BANK_COMBO_IEEE0,
  4037. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4038. /* Reset the unicore */
  4039. CL22_WR_OVER_CL45(bp, phy,
  4040. MDIO_REG_BANK_COMBO_IEEE0,
  4041. MDIO_COMBO_IEEE0_MII_CONTROL,
  4042. (mii_control |
  4043. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4044. if (set_serdes)
  4045. bnx2x_set_serdes_access(bp, params->port);
  4046. /* Wait for the reset to self clear */
  4047. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4048. udelay(5);
  4049. /* The reset erased the previous bank value */
  4050. CL22_RD_OVER_CL45(bp, phy,
  4051. MDIO_REG_BANK_COMBO_IEEE0,
  4052. MDIO_COMBO_IEEE0_MII_CONTROL,
  4053. &mii_control);
  4054. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4055. udelay(5);
  4056. return 0;
  4057. }
  4058. }
  4059. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4060. " Port %d\n",
  4061. params->port);
  4062. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4063. return -EINVAL;
  4064. }
  4065. static void bnx2x_set_swap_lanes(struct link_params *params,
  4066. struct bnx2x_phy *phy)
  4067. {
  4068. struct bnx2x *bp = params->bp;
  4069. /* Each two bits represents a lane number:
  4070. * No swap is 0123 => 0x1b no need to enable the swap
  4071. */
  4072. u16 rx_lane_swap, tx_lane_swap;
  4073. rx_lane_swap = ((params->lane_config &
  4074. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4075. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4076. tx_lane_swap = ((params->lane_config &
  4077. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4078. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4079. if (rx_lane_swap != 0x1b) {
  4080. CL22_WR_OVER_CL45(bp, phy,
  4081. MDIO_REG_BANK_XGXS_BLOCK2,
  4082. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4083. (rx_lane_swap |
  4084. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4085. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4086. } else {
  4087. CL22_WR_OVER_CL45(bp, phy,
  4088. MDIO_REG_BANK_XGXS_BLOCK2,
  4089. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4090. }
  4091. if (tx_lane_swap != 0x1b) {
  4092. CL22_WR_OVER_CL45(bp, phy,
  4093. MDIO_REG_BANK_XGXS_BLOCK2,
  4094. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4095. (tx_lane_swap |
  4096. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4097. } else {
  4098. CL22_WR_OVER_CL45(bp, phy,
  4099. MDIO_REG_BANK_XGXS_BLOCK2,
  4100. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4101. }
  4102. }
  4103. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4104. struct link_params *params)
  4105. {
  4106. struct bnx2x *bp = params->bp;
  4107. u16 control2;
  4108. CL22_RD_OVER_CL45(bp, phy,
  4109. MDIO_REG_BANK_SERDES_DIGITAL,
  4110. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4111. &control2);
  4112. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4113. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4114. else
  4115. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4116. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4117. phy->speed_cap_mask, control2);
  4118. CL22_WR_OVER_CL45(bp, phy,
  4119. MDIO_REG_BANK_SERDES_DIGITAL,
  4120. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4121. control2);
  4122. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4123. (phy->speed_cap_mask &
  4124. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4125. DP(NETIF_MSG_LINK, "XGXS\n");
  4126. CL22_WR_OVER_CL45(bp, phy,
  4127. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4128. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4129. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4130. CL22_RD_OVER_CL45(bp, phy,
  4131. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4132. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4133. &control2);
  4134. control2 |=
  4135. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4136. CL22_WR_OVER_CL45(bp, phy,
  4137. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4138. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4139. control2);
  4140. /* Disable parallel detection of HiG */
  4141. CL22_WR_OVER_CL45(bp, phy,
  4142. MDIO_REG_BANK_XGXS_BLOCK2,
  4143. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4144. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4145. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4146. }
  4147. }
  4148. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4149. struct link_params *params,
  4150. struct link_vars *vars,
  4151. u8 enable_cl73)
  4152. {
  4153. struct bnx2x *bp = params->bp;
  4154. u16 reg_val;
  4155. /* CL37 Autoneg */
  4156. CL22_RD_OVER_CL45(bp, phy,
  4157. MDIO_REG_BANK_COMBO_IEEE0,
  4158. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4159. /* CL37 Autoneg Enabled */
  4160. if (vars->line_speed == SPEED_AUTO_NEG)
  4161. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4162. else /* CL37 Autoneg Disabled */
  4163. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4164. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4165. CL22_WR_OVER_CL45(bp, phy,
  4166. MDIO_REG_BANK_COMBO_IEEE0,
  4167. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4168. /* Enable/Disable Autodetection */
  4169. CL22_RD_OVER_CL45(bp, phy,
  4170. MDIO_REG_BANK_SERDES_DIGITAL,
  4171. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4172. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4173. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4174. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4175. if (vars->line_speed == SPEED_AUTO_NEG)
  4176. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4177. else
  4178. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4179. CL22_WR_OVER_CL45(bp, phy,
  4180. MDIO_REG_BANK_SERDES_DIGITAL,
  4181. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4182. /* Enable TetonII and BAM autoneg */
  4183. CL22_RD_OVER_CL45(bp, phy,
  4184. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4185. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4186. &reg_val);
  4187. if (vars->line_speed == SPEED_AUTO_NEG) {
  4188. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4189. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4190. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4191. } else {
  4192. /* TetonII and BAM Autoneg Disabled */
  4193. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4194. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4195. }
  4196. CL22_WR_OVER_CL45(bp, phy,
  4197. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4198. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4199. reg_val);
  4200. if (enable_cl73) {
  4201. /* Enable Cl73 FSM status bits */
  4202. CL22_WR_OVER_CL45(bp, phy,
  4203. MDIO_REG_BANK_CL73_USERB0,
  4204. MDIO_CL73_USERB0_CL73_UCTRL,
  4205. 0xe);
  4206. /* Enable BAM Station Manager*/
  4207. CL22_WR_OVER_CL45(bp, phy,
  4208. MDIO_REG_BANK_CL73_USERB0,
  4209. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4210. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4211. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4212. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4213. /* Advertise CL73 link speeds */
  4214. CL22_RD_OVER_CL45(bp, phy,
  4215. MDIO_REG_BANK_CL73_IEEEB1,
  4216. MDIO_CL73_IEEEB1_AN_ADV2,
  4217. &reg_val);
  4218. if (phy->speed_cap_mask &
  4219. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4220. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4221. if (phy->speed_cap_mask &
  4222. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4223. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4224. CL22_WR_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_CL73_IEEEB1,
  4226. MDIO_CL73_IEEEB1_AN_ADV2,
  4227. reg_val);
  4228. /* CL73 Autoneg Enabled */
  4229. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4230. } else /* CL73 Autoneg Disabled */
  4231. reg_val = 0;
  4232. CL22_WR_OVER_CL45(bp, phy,
  4233. MDIO_REG_BANK_CL73_IEEEB0,
  4234. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4235. }
  4236. /* Program SerDes, forced speed */
  4237. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4238. struct link_params *params,
  4239. struct link_vars *vars)
  4240. {
  4241. struct bnx2x *bp = params->bp;
  4242. u16 reg_val;
  4243. /* Program duplex, disable autoneg and sgmii*/
  4244. CL22_RD_OVER_CL45(bp, phy,
  4245. MDIO_REG_BANK_COMBO_IEEE0,
  4246. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4247. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4248. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4249. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4250. if (phy->req_duplex == DUPLEX_FULL)
  4251. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4252. CL22_WR_OVER_CL45(bp, phy,
  4253. MDIO_REG_BANK_COMBO_IEEE0,
  4254. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4255. /* Program speed
  4256. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4257. */
  4258. CL22_RD_OVER_CL45(bp, phy,
  4259. MDIO_REG_BANK_SERDES_DIGITAL,
  4260. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4261. /* Clearing the speed value before setting the right speed */
  4262. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4263. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4264. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4265. if (!((vars->line_speed == SPEED_1000) ||
  4266. (vars->line_speed == SPEED_100) ||
  4267. (vars->line_speed == SPEED_10))) {
  4268. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4269. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4270. if (vars->line_speed == SPEED_10000)
  4271. reg_val |=
  4272. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4273. }
  4274. CL22_WR_OVER_CL45(bp, phy,
  4275. MDIO_REG_BANK_SERDES_DIGITAL,
  4276. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4277. }
  4278. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4279. struct link_params *params)
  4280. {
  4281. struct bnx2x *bp = params->bp;
  4282. u16 val = 0;
  4283. /* Set extended capabilities */
  4284. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4285. val |= MDIO_OVER_1G_UP1_2_5G;
  4286. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4287. val |= MDIO_OVER_1G_UP1_10G;
  4288. CL22_WR_OVER_CL45(bp, phy,
  4289. MDIO_REG_BANK_OVER_1G,
  4290. MDIO_OVER_1G_UP1, val);
  4291. CL22_WR_OVER_CL45(bp, phy,
  4292. MDIO_REG_BANK_OVER_1G,
  4293. MDIO_OVER_1G_UP3, 0x400);
  4294. }
  4295. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4296. struct link_params *params,
  4297. u16 ieee_fc)
  4298. {
  4299. struct bnx2x *bp = params->bp;
  4300. u16 val;
  4301. /* For AN, we are always publishing full duplex */
  4302. CL22_WR_OVER_CL45(bp, phy,
  4303. MDIO_REG_BANK_COMBO_IEEE0,
  4304. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4305. CL22_RD_OVER_CL45(bp, phy,
  4306. MDIO_REG_BANK_CL73_IEEEB1,
  4307. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4308. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4309. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4310. CL22_WR_OVER_CL45(bp, phy,
  4311. MDIO_REG_BANK_CL73_IEEEB1,
  4312. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4313. }
  4314. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4315. struct link_params *params,
  4316. u8 enable_cl73)
  4317. {
  4318. struct bnx2x *bp = params->bp;
  4319. u16 mii_control;
  4320. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4321. /* Enable and restart BAM/CL37 aneg */
  4322. if (enable_cl73) {
  4323. CL22_RD_OVER_CL45(bp, phy,
  4324. MDIO_REG_BANK_CL73_IEEEB0,
  4325. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4326. &mii_control);
  4327. CL22_WR_OVER_CL45(bp, phy,
  4328. MDIO_REG_BANK_CL73_IEEEB0,
  4329. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4330. (mii_control |
  4331. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4332. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4333. } else {
  4334. CL22_RD_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_COMBO_IEEE0,
  4336. MDIO_COMBO_IEEE0_MII_CONTROL,
  4337. &mii_control);
  4338. DP(NETIF_MSG_LINK,
  4339. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4340. mii_control);
  4341. CL22_WR_OVER_CL45(bp, phy,
  4342. MDIO_REG_BANK_COMBO_IEEE0,
  4343. MDIO_COMBO_IEEE0_MII_CONTROL,
  4344. (mii_control |
  4345. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4346. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4347. }
  4348. }
  4349. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4350. struct link_params *params,
  4351. struct link_vars *vars)
  4352. {
  4353. struct bnx2x *bp = params->bp;
  4354. u16 control1;
  4355. /* In SGMII mode, the unicore is always slave */
  4356. CL22_RD_OVER_CL45(bp, phy,
  4357. MDIO_REG_BANK_SERDES_DIGITAL,
  4358. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4359. &control1);
  4360. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4361. /* Set sgmii mode (and not fiber) */
  4362. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4363. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4364. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4365. CL22_WR_OVER_CL45(bp, phy,
  4366. MDIO_REG_BANK_SERDES_DIGITAL,
  4367. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4368. control1);
  4369. /* If forced speed */
  4370. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4371. /* Set speed, disable autoneg */
  4372. u16 mii_control;
  4373. CL22_RD_OVER_CL45(bp, phy,
  4374. MDIO_REG_BANK_COMBO_IEEE0,
  4375. MDIO_COMBO_IEEE0_MII_CONTROL,
  4376. &mii_control);
  4377. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4378. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4379. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4380. switch (vars->line_speed) {
  4381. case SPEED_100:
  4382. mii_control |=
  4383. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4384. break;
  4385. case SPEED_1000:
  4386. mii_control |=
  4387. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4388. break;
  4389. case SPEED_10:
  4390. /* There is nothing to set for 10M */
  4391. break;
  4392. default:
  4393. /* Invalid speed for SGMII */
  4394. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4395. vars->line_speed);
  4396. break;
  4397. }
  4398. /* Setting the full duplex */
  4399. if (phy->req_duplex == DUPLEX_FULL)
  4400. mii_control |=
  4401. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4402. CL22_WR_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_COMBO_IEEE0,
  4404. MDIO_COMBO_IEEE0_MII_CONTROL,
  4405. mii_control);
  4406. } else { /* AN mode */
  4407. /* Enable and restart AN */
  4408. bnx2x_restart_autoneg(phy, params, 0);
  4409. }
  4410. }
  4411. /* Link management
  4412. */
  4413. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4414. struct link_params *params)
  4415. {
  4416. struct bnx2x *bp = params->bp;
  4417. u16 pd_10g, status2_1000x;
  4418. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4419. return 0;
  4420. CL22_RD_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_SERDES_DIGITAL,
  4422. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4423. &status2_1000x);
  4424. CL22_RD_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_SERDES_DIGITAL,
  4426. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4427. &status2_1000x);
  4428. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4429. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4430. params->port);
  4431. return 1;
  4432. }
  4433. CL22_RD_OVER_CL45(bp, phy,
  4434. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4435. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4436. &pd_10g);
  4437. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4438. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4439. params->port);
  4440. return 1;
  4441. }
  4442. return 0;
  4443. }
  4444. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4445. struct link_params *params,
  4446. struct link_vars *vars,
  4447. u32 gp_status)
  4448. {
  4449. u16 ld_pause; /* local driver */
  4450. u16 lp_pause; /* link partner */
  4451. u16 pause_result;
  4452. struct bnx2x *bp = params->bp;
  4453. if ((gp_status &
  4454. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4455. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4456. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4457. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4458. CL22_RD_OVER_CL45(bp, phy,
  4459. MDIO_REG_BANK_CL73_IEEEB1,
  4460. MDIO_CL73_IEEEB1_AN_ADV1,
  4461. &ld_pause);
  4462. CL22_RD_OVER_CL45(bp, phy,
  4463. MDIO_REG_BANK_CL73_IEEEB1,
  4464. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4465. &lp_pause);
  4466. pause_result = (ld_pause &
  4467. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4468. pause_result |= (lp_pause &
  4469. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4470. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4471. } else {
  4472. CL22_RD_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_COMBO_IEEE0,
  4474. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4475. &ld_pause);
  4476. CL22_RD_OVER_CL45(bp, phy,
  4477. MDIO_REG_BANK_COMBO_IEEE0,
  4478. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4479. &lp_pause);
  4480. pause_result = (ld_pause &
  4481. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4482. pause_result |= (lp_pause &
  4483. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4484. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4485. }
  4486. bnx2x_pause_resolve(vars, pause_result);
  4487. }
  4488. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4489. struct link_params *params,
  4490. struct link_vars *vars,
  4491. u32 gp_status)
  4492. {
  4493. struct bnx2x *bp = params->bp;
  4494. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4495. /* Resolve from gp_status in case of AN complete and not sgmii */
  4496. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4497. /* Update the advertised flow-controled of LD/LP in AN */
  4498. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4499. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4500. /* But set the flow-control result as the requested one */
  4501. vars->flow_ctrl = phy->req_flow_ctrl;
  4502. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4503. vars->flow_ctrl = params->req_fc_auto_adv;
  4504. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4505. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4506. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4507. vars->flow_ctrl = params->req_fc_auto_adv;
  4508. return;
  4509. }
  4510. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4511. }
  4512. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4513. }
  4514. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4515. struct link_params *params)
  4516. {
  4517. struct bnx2x *bp = params->bp;
  4518. u16 rx_status, ustat_val, cl37_fsm_received;
  4519. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4520. /* Step 1: Make sure signal is detected */
  4521. CL22_RD_OVER_CL45(bp, phy,
  4522. MDIO_REG_BANK_RX0,
  4523. MDIO_RX0_RX_STATUS,
  4524. &rx_status);
  4525. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4526. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4527. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4528. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4529. CL22_WR_OVER_CL45(bp, phy,
  4530. MDIO_REG_BANK_CL73_IEEEB0,
  4531. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4532. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4533. return;
  4534. }
  4535. /* Step 2: Check CL73 state machine */
  4536. CL22_RD_OVER_CL45(bp, phy,
  4537. MDIO_REG_BANK_CL73_USERB0,
  4538. MDIO_CL73_USERB0_CL73_USTAT1,
  4539. &ustat_val);
  4540. if ((ustat_val &
  4541. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4542. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4543. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4544. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4545. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4546. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4547. return;
  4548. }
  4549. /* Step 3: Check CL37 Message Pages received to indicate LP
  4550. * supports only CL37
  4551. */
  4552. CL22_RD_OVER_CL45(bp, phy,
  4553. MDIO_REG_BANK_REMOTE_PHY,
  4554. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4555. &cl37_fsm_received);
  4556. if ((cl37_fsm_received &
  4557. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4558. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4559. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4560. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4561. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4562. "misc_rx_status(0x8330) = 0x%x\n",
  4563. cl37_fsm_received);
  4564. return;
  4565. }
  4566. /* The combined cl37/cl73 fsm state information indicating that
  4567. * we are connected to a device which does not support cl73, but
  4568. * does support cl37 BAM. In this case we disable cl73 and
  4569. * restart cl37 auto-neg
  4570. */
  4571. /* Disable CL73 */
  4572. CL22_WR_OVER_CL45(bp, phy,
  4573. MDIO_REG_BANK_CL73_IEEEB0,
  4574. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4575. 0);
  4576. /* Restart CL37 autoneg */
  4577. bnx2x_restart_autoneg(phy, params, 0);
  4578. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4579. }
  4580. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4581. struct link_params *params,
  4582. struct link_vars *vars,
  4583. u32 gp_status)
  4584. {
  4585. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4586. vars->link_status |=
  4587. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4588. if (bnx2x_direct_parallel_detect_used(phy, params))
  4589. vars->link_status |=
  4590. LINK_STATUS_PARALLEL_DETECTION_USED;
  4591. }
  4592. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4593. struct link_params *params,
  4594. struct link_vars *vars,
  4595. u16 is_link_up,
  4596. u16 speed_mask,
  4597. u16 is_duplex)
  4598. {
  4599. struct bnx2x *bp = params->bp;
  4600. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4601. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4602. if (is_link_up) {
  4603. DP(NETIF_MSG_LINK, "phy link up\n");
  4604. vars->phy_link_up = 1;
  4605. vars->link_status |= LINK_STATUS_LINK_UP;
  4606. switch (speed_mask) {
  4607. case GP_STATUS_10M:
  4608. vars->line_speed = SPEED_10;
  4609. if (is_duplex == DUPLEX_FULL)
  4610. vars->link_status |= LINK_10TFD;
  4611. else
  4612. vars->link_status |= LINK_10THD;
  4613. break;
  4614. case GP_STATUS_100M:
  4615. vars->line_speed = SPEED_100;
  4616. if (is_duplex == DUPLEX_FULL)
  4617. vars->link_status |= LINK_100TXFD;
  4618. else
  4619. vars->link_status |= LINK_100TXHD;
  4620. break;
  4621. case GP_STATUS_1G:
  4622. case GP_STATUS_1G_KX:
  4623. vars->line_speed = SPEED_1000;
  4624. if (is_duplex == DUPLEX_FULL)
  4625. vars->link_status |= LINK_1000TFD;
  4626. else
  4627. vars->link_status |= LINK_1000THD;
  4628. break;
  4629. case GP_STATUS_2_5G:
  4630. vars->line_speed = SPEED_2500;
  4631. if (is_duplex == DUPLEX_FULL)
  4632. vars->link_status |= LINK_2500TFD;
  4633. else
  4634. vars->link_status |= LINK_2500THD;
  4635. break;
  4636. case GP_STATUS_5G:
  4637. case GP_STATUS_6G:
  4638. DP(NETIF_MSG_LINK,
  4639. "link speed unsupported gp_status 0x%x\n",
  4640. speed_mask);
  4641. return -EINVAL;
  4642. case GP_STATUS_10G_KX4:
  4643. case GP_STATUS_10G_HIG:
  4644. case GP_STATUS_10G_CX4:
  4645. case GP_STATUS_10G_KR:
  4646. case GP_STATUS_10G_SFI:
  4647. case GP_STATUS_10G_XFI:
  4648. vars->line_speed = SPEED_10000;
  4649. vars->link_status |= LINK_10GTFD;
  4650. break;
  4651. case GP_STATUS_20G_DXGXS:
  4652. vars->line_speed = SPEED_20000;
  4653. vars->link_status |= LINK_20GTFD;
  4654. break;
  4655. default:
  4656. DP(NETIF_MSG_LINK,
  4657. "link speed unsupported gp_status 0x%x\n",
  4658. speed_mask);
  4659. return -EINVAL;
  4660. }
  4661. } else { /* link_down */
  4662. DP(NETIF_MSG_LINK, "phy link down\n");
  4663. vars->phy_link_up = 0;
  4664. vars->duplex = DUPLEX_FULL;
  4665. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4666. vars->mac_type = MAC_TYPE_NONE;
  4667. }
  4668. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4669. vars->phy_link_up, vars->line_speed);
  4670. return 0;
  4671. }
  4672. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4673. struct link_params *params,
  4674. struct link_vars *vars)
  4675. {
  4676. struct bnx2x *bp = params->bp;
  4677. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4678. int rc = 0;
  4679. /* Read gp_status */
  4680. CL22_RD_OVER_CL45(bp, phy,
  4681. MDIO_REG_BANK_GP_STATUS,
  4682. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4683. &gp_status);
  4684. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4685. duplex = DUPLEX_FULL;
  4686. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4687. link_up = 1;
  4688. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4689. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4690. gp_status, link_up, speed_mask);
  4691. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4692. duplex);
  4693. if (rc == -EINVAL)
  4694. return rc;
  4695. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4696. if (SINGLE_MEDIA_DIRECT(params)) {
  4697. vars->duplex = duplex;
  4698. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4699. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4700. bnx2x_xgxs_an_resolve(phy, params, vars,
  4701. gp_status);
  4702. }
  4703. } else { /* Link_down */
  4704. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4705. SINGLE_MEDIA_DIRECT(params)) {
  4706. /* Check signal is detected */
  4707. bnx2x_check_fallback_to_cl37(phy, params);
  4708. }
  4709. }
  4710. /* Read LP advertised speeds*/
  4711. if (SINGLE_MEDIA_DIRECT(params) &&
  4712. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4713. u16 val;
  4714. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4715. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4716. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4717. vars->link_status |=
  4718. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4719. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4720. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4721. vars->link_status |=
  4722. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4723. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4724. MDIO_OVER_1G_LP_UP1, &val);
  4725. if (val & MDIO_OVER_1G_UP1_2_5G)
  4726. vars->link_status |=
  4727. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4728. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4729. vars->link_status |=
  4730. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4731. }
  4732. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4733. vars->duplex, vars->flow_ctrl, vars->link_status);
  4734. return rc;
  4735. }
  4736. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4737. struct link_params *params,
  4738. struct link_vars *vars)
  4739. {
  4740. struct bnx2x *bp = params->bp;
  4741. u8 lane;
  4742. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4743. int rc = 0;
  4744. lane = bnx2x_get_warpcore_lane(phy, params);
  4745. /* Read gp_status */
  4746. if (phy->req_line_speed > SPEED_10000) {
  4747. u16 temp_link_up;
  4748. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4749. 1, &temp_link_up);
  4750. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4751. 1, &link_up);
  4752. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4753. temp_link_up, link_up);
  4754. link_up &= (1<<2);
  4755. if (link_up)
  4756. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4757. } else {
  4758. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4759. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4760. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4761. /* Check for either KR or generic link up. */
  4762. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4763. ((gp_status1 >> 12) & 0xf);
  4764. link_up = gp_status1 & (1 << lane);
  4765. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4766. u16 pd, gp_status4;
  4767. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4768. /* Check Autoneg complete */
  4769. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4770. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4771. &gp_status4);
  4772. if (gp_status4 & ((1<<12)<<lane))
  4773. vars->link_status |=
  4774. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4775. /* Check parallel detect used */
  4776. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4777. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4778. &pd);
  4779. if (pd & (1<<15))
  4780. vars->link_status |=
  4781. LINK_STATUS_PARALLEL_DETECTION_USED;
  4782. }
  4783. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4784. vars->duplex = duplex;
  4785. }
  4786. }
  4787. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4788. SINGLE_MEDIA_DIRECT(params)) {
  4789. u16 val;
  4790. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4791. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4792. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4793. vars->link_status |=
  4794. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4795. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4796. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4797. vars->link_status |=
  4798. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4799. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4800. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4801. if (val & MDIO_OVER_1G_UP1_2_5G)
  4802. vars->link_status |=
  4803. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4804. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4805. vars->link_status |=
  4806. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4807. }
  4808. if (lane < 2) {
  4809. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4810. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4811. } else {
  4812. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4813. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4814. }
  4815. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4816. if ((lane & 1) == 0)
  4817. gp_speed <<= 8;
  4818. gp_speed &= 0x3f00;
  4819. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4820. duplex);
  4821. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4822. vars->duplex, vars->flow_ctrl, vars->link_status);
  4823. return rc;
  4824. }
  4825. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4826. {
  4827. struct bnx2x *bp = params->bp;
  4828. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4829. u16 lp_up2;
  4830. u16 tx_driver;
  4831. u16 bank;
  4832. /* Read precomp */
  4833. CL22_RD_OVER_CL45(bp, phy,
  4834. MDIO_REG_BANK_OVER_1G,
  4835. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4836. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4837. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4838. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4839. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4840. if (lp_up2 == 0)
  4841. return;
  4842. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4843. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4844. CL22_RD_OVER_CL45(bp, phy,
  4845. bank,
  4846. MDIO_TX0_TX_DRIVER, &tx_driver);
  4847. /* Replace tx_driver bits [15:12] */
  4848. if (lp_up2 !=
  4849. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4850. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4851. tx_driver |= lp_up2;
  4852. CL22_WR_OVER_CL45(bp, phy,
  4853. bank,
  4854. MDIO_TX0_TX_DRIVER, tx_driver);
  4855. }
  4856. }
  4857. }
  4858. static int bnx2x_emac_program(struct link_params *params,
  4859. struct link_vars *vars)
  4860. {
  4861. struct bnx2x *bp = params->bp;
  4862. u8 port = params->port;
  4863. u16 mode = 0;
  4864. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4865. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4866. EMAC_REG_EMAC_MODE,
  4867. (EMAC_MODE_25G_MODE |
  4868. EMAC_MODE_PORT_MII_10M |
  4869. EMAC_MODE_HALF_DUPLEX));
  4870. switch (vars->line_speed) {
  4871. case SPEED_10:
  4872. mode |= EMAC_MODE_PORT_MII_10M;
  4873. break;
  4874. case SPEED_100:
  4875. mode |= EMAC_MODE_PORT_MII;
  4876. break;
  4877. case SPEED_1000:
  4878. mode |= EMAC_MODE_PORT_GMII;
  4879. break;
  4880. case SPEED_2500:
  4881. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4882. break;
  4883. default:
  4884. /* 10G not valid for EMAC */
  4885. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4886. vars->line_speed);
  4887. return -EINVAL;
  4888. }
  4889. if (vars->duplex == DUPLEX_HALF)
  4890. mode |= EMAC_MODE_HALF_DUPLEX;
  4891. bnx2x_bits_en(bp,
  4892. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4893. mode);
  4894. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4895. return 0;
  4896. }
  4897. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4898. struct link_params *params)
  4899. {
  4900. u16 bank, i = 0;
  4901. struct bnx2x *bp = params->bp;
  4902. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4903. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4904. CL22_WR_OVER_CL45(bp, phy,
  4905. bank,
  4906. MDIO_RX0_RX_EQ_BOOST,
  4907. phy->rx_preemphasis[i]);
  4908. }
  4909. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4910. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4911. CL22_WR_OVER_CL45(bp, phy,
  4912. bank,
  4913. MDIO_TX0_TX_DRIVER,
  4914. phy->tx_preemphasis[i]);
  4915. }
  4916. }
  4917. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4918. struct link_params *params,
  4919. struct link_vars *vars)
  4920. {
  4921. struct bnx2x *bp = params->bp;
  4922. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4923. (params->loopback_mode == LOOPBACK_XGXS));
  4924. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4925. if (SINGLE_MEDIA_DIRECT(params) &&
  4926. (params->feature_config_flags &
  4927. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4928. bnx2x_set_preemphasis(phy, params);
  4929. /* Forced speed requested? */
  4930. if (vars->line_speed != SPEED_AUTO_NEG ||
  4931. (SINGLE_MEDIA_DIRECT(params) &&
  4932. params->loopback_mode == LOOPBACK_EXT)) {
  4933. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4934. /* Disable autoneg */
  4935. bnx2x_set_autoneg(phy, params, vars, 0);
  4936. /* Program speed and duplex */
  4937. bnx2x_program_serdes(phy, params, vars);
  4938. } else { /* AN_mode */
  4939. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4940. /* AN enabled */
  4941. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4942. /* Program duplex & pause advertisement (for aneg) */
  4943. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4944. vars->ieee_fc);
  4945. /* Enable autoneg */
  4946. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4947. /* Enable and restart AN */
  4948. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4949. }
  4950. } else { /* SGMII mode */
  4951. DP(NETIF_MSG_LINK, "SGMII\n");
  4952. bnx2x_initialize_sgmii_process(phy, params, vars);
  4953. }
  4954. }
  4955. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4956. struct link_params *params,
  4957. struct link_vars *vars)
  4958. {
  4959. int rc;
  4960. vars->phy_flags |= PHY_XGXS_FLAG;
  4961. if ((phy->req_line_speed &&
  4962. ((phy->req_line_speed == SPEED_100) ||
  4963. (phy->req_line_speed == SPEED_10))) ||
  4964. (!phy->req_line_speed &&
  4965. (phy->speed_cap_mask >=
  4966. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4967. (phy->speed_cap_mask <
  4968. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4969. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4970. vars->phy_flags |= PHY_SGMII_FLAG;
  4971. else
  4972. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4973. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4974. bnx2x_set_aer_mmd(params, phy);
  4975. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4976. bnx2x_set_master_ln(params, phy);
  4977. rc = bnx2x_reset_unicore(params, phy, 0);
  4978. /* Reset the SerDes and wait for reset bit return low */
  4979. if (rc)
  4980. return rc;
  4981. bnx2x_set_aer_mmd(params, phy);
  4982. /* Setting the masterLn_def again after the reset */
  4983. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4984. bnx2x_set_master_ln(params, phy);
  4985. bnx2x_set_swap_lanes(params, phy);
  4986. }
  4987. return rc;
  4988. }
  4989. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4990. struct bnx2x_phy *phy,
  4991. struct link_params *params)
  4992. {
  4993. u16 cnt, ctrl;
  4994. /* Wait for soft reset to get cleared up to 1 sec */
  4995. for (cnt = 0; cnt < 1000; cnt++) {
  4996. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4997. bnx2x_cl22_read(bp, phy,
  4998. MDIO_PMA_REG_CTRL, &ctrl);
  4999. else
  5000. bnx2x_cl45_read(bp, phy,
  5001. MDIO_PMA_DEVAD,
  5002. MDIO_PMA_REG_CTRL, &ctrl);
  5003. if (!(ctrl & (1<<15)))
  5004. break;
  5005. usleep_range(1000, 2000);
  5006. }
  5007. if (cnt == 1000)
  5008. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5009. " Port %d\n",
  5010. params->port);
  5011. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5012. return cnt;
  5013. }
  5014. static void bnx2x_link_int_enable(struct link_params *params)
  5015. {
  5016. u8 port = params->port;
  5017. u32 mask;
  5018. struct bnx2x *bp = params->bp;
  5019. /* Setting the status to report on link up for either XGXS or SerDes */
  5020. if (CHIP_IS_E3(bp)) {
  5021. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5022. if (!(SINGLE_MEDIA_DIRECT(params)))
  5023. mask |= NIG_MASK_MI_INT;
  5024. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5025. mask = (NIG_MASK_XGXS0_LINK10G |
  5026. NIG_MASK_XGXS0_LINK_STATUS);
  5027. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5028. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5029. params->phy[INT_PHY].type !=
  5030. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5031. mask |= NIG_MASK_MI_INT;
  5032. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5033. }
  5034. } else { /* SerDes */
  5035. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5036. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5037. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5038. params->phy[INT_PHY].type !=
  5039. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5040. mask |= NIG_MASK_MI_INT;
  5041. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5042. }
  5043. }
  5044. bnx2x_bits_en(bp,
  5045. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5046. mask);
  5047. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5048. (params->switch_cfg == SWITCH_CFG_10G),
  5049. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5050. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5051. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5052. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5053. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5054. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5055. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5056. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5057. }
  5058. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5059. u8 exp_mi_int)
  5060. {
  5061. u32 latch_status = 0;
  5062. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5063. * status register. Link down indication is high-active-signal,
  5064. * so in this case we need to write the status to clear the XOR
  5065. */
  5066. /* Read Latched signals */
  5067. latch_status = REG_RD(bp,
  5068. NIG_REG_LATCH_STATUS_0 + port*8);
  5069. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5070. /* Handle only those with latched-signal=up.*/
  5071. if (exp_mi_int)
  5072. bnx2x_bits_en(bp,
  5073. NIG_REG_STATUS_INTERRUPT_PORT0
  5074. + port*4,
  5075. NIG_STATUS_EMAC0_MI_INT);
  5076. else
  5077. bnx2x_bits_dis(bp,
  5078. NIG_REG_STATUS_INTERRUPT_PORT0
  5079. + port*4,
  5080. NIG_STATUS_EMAC0_MI_INT);
  5081. if (latch_status & 1) {
  5082. /* For all latched-signal=up : Re-Arm Latch signals */
  5083. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5084. (latch_status & 0xfffe) | (latch_status & 1));
  5085. }
  5086. /* For all latched-signal=up,Write original_signal to status */
  5087. }
  5088. static void bnx2x_link_int_ack(struct link_params *params,
  5089. struct link_vars *vars, u8 is_10g_plus)
  5090. {
  5091. struct bnx2x *bp = params->bp;
  5092. u8 port = params->port;
  5093. u32 mask;
  5094. /* First reset all status we assume only one line will be
  5095. * change at a time
  5096. */
  5097. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5098. (NIG_STATUS_XGXS0_LINK10G |
  5099. NIG_STATUS_XGXS0_LINK_STATUS |
  5100. NIG_STATUS_SERDES0_LINK_STATUS));
  5101. if (vars->phy_link_up) {
  5102. if (USES_WARPCORE(bp))
  5103. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5104. else {
  5105. if (is_10g_plus)
  5106. mask = NIG_STATUS_XGXS0_LINK10G;
  5107. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5108. /* Disable the link interrupt by writing 1 to
  5109. * the relevant lane in the status register
  5110. */
  5111. u32 ser_lane =
  5112. ((params->lane_config &
  5113. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5114. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5115. mask = ((1 << ser_lane) <<
  5116. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5117. } else
  5118. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5119. }
  5120. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5121. mask);
  5122. bnx2x_bits_en(bp,
  5123. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5124. mask);
  5125. }
  5126. }
  5127. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5128. {
  5129. u8 *str_ptr = str;
  5130. u32 mask = 0xf0000000;
  5131. u8 shift = 8*4;
  5132. u8 digit;
  5133. u8 remove_leading_zeros = 1;
  5134. if (*len < 10) {
  5135. /* Need more than 10chars for this format */
  5136. *str_ptr = '\0';
  5137. (*len)--;
  5138. return -EINVAL;
  5139. }
  5140. while (shift > 0) {
  5141. shift -= 4;
  5142. digit = ((num & mask) >> shift);
  5143. if (digit == 0 && remove_leading_zeros) {
  5144. mask = mask >> 4;
  5145. continue;
  5146. } else if (digit < 0xa)
  5147. *str_ptr = digit + '0';
  5148. else
  5149. *str_ptr = digit - 0xa + 'a';
  5150. remove_leading_zeros = 0;
  5151. str_ptr++;
  5152. (*len)--;
  5153. mask = mask >> 4;
  5154. if (shift == 4*4) {
  5155. *str_ptr = '.';
  5156. str_ptr++;
  5157. (*len)--;
  5158. remove_leading_zeros = 1;
  5159. }
  5160. }
  5161. return 0;
  5162. }
  5163. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5164. {
  5165. str[0] = '\0';
  5166. (*len)--;
  5167. return 0;
  5168. }
  5169. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5170. u16 len)
  5171. {
  5172. struct bnx2x *bp;
  5173. u32 spirom_ver = 0;
  5174. int status = 0;
  5175. u8 *ver_p = version;
  5176. u16 remain_len = len;
  5177. if (version == NULL || params == NULL)
  5178. return -EINVAL;
  5179. bp = params->bp;
  5180. /* Extract first external phy*/
  5181. version[0] = '\0';
  5182. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5183. if (params->phy[EXT_PHY1].format_fw_ver) {
  5184. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5185. ver_p,
  5186. &remain_len);
  5187. ver_p += (len - remain_len);
  5188. }
  5189. if ((params->num_phys == MAX_PHYS) &&
  5190. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5191. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5192. if (params->phy[EXT_PHY2].format_fw_ver) {
  5193. *ver_p = '/';
  5194. ver_p++;
  5195. remain_len--;
  5196. status |= params->phy[EXT_PHY2].format_fw_ver(
  5197. spirom_ver,
  5198. ver_p,
  5199. &remain_len);
  5200. ver_p = version + (len - remain_len);
  5201. }
  5202. }
  5203. *ver_p = '\0';
  5204. return status;
  5205. }
  5206. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5207. struct link_params *params)
  5208. {
  5209. u8 port = params->port;
  5210. struct bnx2x *bp = params->bp;
  5211. if (phy->req_line_speed != SPEED_1000) {
  5212. u32 md_devad = 0;
  5213. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5214. if (!CHIP_IS_E3(bp)) {
  5215. /* Change the uni_phy_addr in the nig */
  5216. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5217. port*0x18));
  5218. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5219. 0x5);
  5220. }
  5221. bnx2x_cl45_write(bp, phy,
  5222. 5,
  5223. (MDIO_REG_BANK_AER_BLOCK +
  5224. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5225. 0x2800);
  5226. bnx2x_cl45_write(bp, phy,
  5227. 5,
  5228. (MDIO_REG_BANK_CL73_IEEEB0 +
  5229. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5230. 0x6041);
  5231. msleep(200);
  5232. /* Set aer mmd back */
  5233. bnx2x_set_aer_mmd(params, phy);
  5234. if (!CHIP_IS_E3(bp)) {
  5235. /* And md_devad */
  5236. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5237. md_devad);
  5238. }
  5239. } else {
  5240. u16 mii_ctrl;
  5241. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5242. bnx2x_cl45_read(bp, phy, 5,
  5243. (MDIO_REG_BANK_COMBO_IEEE0 +
  5244. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5245. &mii_ctrl);
  5246. bnx2x_cl45_write(bp, phy, 5,
  5247. (MDIO_REG_BANK_COMBO_IEEE0 +
  5248. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5249. mii_ctrl |
  5250. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5251. }
  5252. }
  5253. int bnx2x_set_led(struct link_params *params,
  5254. struct link_vars *vars, u8 mode, u32 speed)
  5255. {
  5256. u8 port = params->port;
  5257. u16 hw_led_mode = params->hw_led_mode;
  5258. int rc = 0;
  5259. u8 phy_idx;
  5260. u32 tmp;
  5261. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5262. struct bnx2x *bp = params->bp;
  5263. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5264. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5265. speed, hw_led_mode);
  5266. /* In case */
  5267. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5268. if (params->phy[phy_idx].set_link_led) {
  5269. params->phy[phy_idx].set_link_led(
  5270. &params->phy[phy_idx], params, mode);
  5271. }
  5272. }
  5273. switch (mode) {
  5274. case LED_MODE_FRONT_PANEL_OFF:
  5275. case LED_MODE_OFF:
  5276. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5277. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5278. SHARED_HW_CFG_LED_MAC1);
  5279. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5280. if (params->phy[EXT_PHY1].type ==
  5281. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5282. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5283. EMAC_LED_100MB_OVERRIDE |
  5284. EMAC_LED_10MB_OVERRIDE);
  5285. else
  5286. tmp |= EMAC_LED_OVERRIDE;
  5287. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5288. break;
  5289. case LED_MODE_OPER:
  5290. /* For all other phys, OPER mode is same as ON, so in case
  5291. * link is down, do nothing
  5292. */
  5293. if (!vars->link_up)
  5294. break;
  5295. case LED_MODE_ON:
  5296. if (((params->phy[EXT_PHY1].type ==
  5297. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5298. (params->phy[EXT_PHY1].type ==
  5299. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5300. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5301. /* This is a work-around for E2+8727 Configurations */
  5302. if (mode == LED_MODE_ON ||
  5303. speed == SPEED_10000){
  5304. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5305. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5306. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5307. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5308. (tmp | EMAC_LED_OVERRIDE));
  5309. /* Return here without enabling traffic
  5310. * LED blink and setting rate in ON mode.
  5311. * In oper mode, enabling LED blink
  5312. * and setting rate is needed.
  5313. */
  5314. if (mode == LED_MODE_ON)
  5315. return rc;
  5316. }
  5317. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5318. /* This is a work-around for HW issue found when link
  5319. * is up in CL73
  5320. */
  5321. if ((!CHIP_IS_E3(bp)) ||
  5322. (CHIP_IS_E3(bp) &&
  5323. mode == LED_MODE_ON))
  5324. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5325. if (CHIP_IS_E1x(bp) ||
  5326. CHIP_IS_E2(bp) ||
  5327. (mode == LED_MODE_ON))
  5328. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5329. else
  5330. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5331. hw_led_mode);
  5332. } else if ((params->phy[EXT_PHY1].type ==
  5333. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5334. (mode == LED_MODE_ON)) {
  5335. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5336. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5337. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5338. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5339. /* Break here; otherwise, it'll disable the
  5340. * intended override.
  5341. */
  5342. break;
  5343. } else
  5344. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5345. hw_led_mode);
  5346. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5347. /* Set blinking rate to ~15.9Hz */
  5348. if (CHIP_IS_E3(bp))
  5349. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5350. LED_BLINK_RATE_VAL_E3);
  5351. else
  5352. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5353. LED_BLINK_RATE_VAL_E1X_E2);
  5354. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5355. port*4, 1);
  5356. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5357. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5358. (tmp & (~EMAC_LED_OVERRIDE)));
  5359. if (CHIP_IS_E1(bp) &&
  5360. ((speed == SPEED_2500) ||
  5361. (speed == SPEED_1000) ||
  5362. (speed == SPEED_100) ||
  5363. (speed == SPEED_10))) {
  5364. /* For speeds less than 10G LED scheme is different */
  5365. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5366. + port*4, 1);
  5367. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5368. port*4, 0);
  5369. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5370. port*4, 1);
  5371. }
  5372. break;
  5373. default:
  5374. rc = -EINVAL;
  5375. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5376. mode);
  5377. break;
  5378. }
  5379. return rc;
  5380. }
  5381. /* This function comes to reflect the actual link state read DIRECTLY from the
  5382. * HW
  5383. */
  5384. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5385. u8 is_serdes)
  5386. {
  5387. struct bnx2x *bp = params->bp;
  5388. u16 gp_status = 0, phy_index = 0;
  5389. u8 ext_phy_link_up = 0, serdes_phy_type;
  5390. struct link_vars temp_vars;
  5391. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5392. if (CHIP_IS_E3(bp)) {
  5393. u16 link_up;
  5394. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5395. > SPEED_10000) {
  5396. /* Check 20G link */
  5397. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5398. 1, &link_up);
  5399. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5400. 1, &link_up);
  5401. link_up &= (1<<2);
  5402. } else {
  5403. /* Check 10G link and below*/
  5404. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5405. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5406. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5407. &gp_status);
  5408. gp_status = ((gp_status >> 8) & 0xf) |
  5409. ((gp_status >> 12) & 0xf);
  5410. link_up = gp_status & (1 << lane);
  5411. }
  5412. if (!link_up)
  5413. return -ESRCH;
  5414. } else {
  5415. CL22_RD_OVER_CL45(bp, int_phy,
  5416. MDIO_REG_BANK_GP_STATUS,
  5417. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5418. &gp_status);
  5419. /* Link is up only if both local phy and external phy are up */
  5420. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5421. return -ESRCH;
  5422. }
  5423. /* In XGXS loopback mode, do not check external PHY */
  5424. if (params->loopback_mode == LOOPBACK_XGXS)
  5425. return 0;
  5426. switch (params->num_phys) {
  5427. case 1:
  5428. /* No external PHY */
  5429. return 0;
  5430. case 2:
  5431. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5432. &params->phy[EXT_PHY1],
  5433. params, &temp_vars);
  5434. break;
  5435. case 3: /* Dual Media */
  5436. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5437. phy_index++) {
  5438. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5439. ETH_PHY_SFPP_10G_FIBER) ||
  5440. (params->phy[phy_index].media_type ==
  5441. ETH_PHY_SFP_1G_FIBER) ||
  5442. (params->phy[phy_index].media_type ==
  5443. ETH_PHY_XFP_FIBER) ||
  5444. (params->phy[phy_index].media_type ==
  5445. ETH_PHY_DA_TWINAX));
  5446. if (is_serdes != serdes_phy_type)
  5447. continue;
  5448. if (params->phy[phy_index].read_status) {
  5449. ext_phy_link_up |=
  5450. params->phy[phy_index].read_status(
  5451. &params->phy[phy_index],
  5452. params, &temp_vars);
  5453. }
  5454. }
  5455. break;
  5456. }
  5457. if (ext_phy_link_up)
  5458. return 0;
  5459. return -ESRCH;
  5460. }
  5461. static int bnx2x_link_initialize(struct link_params *params,
  5462. struct link_vars *vars)
  5463. {
  5464. int rc = 0;
  5465. u8 phy_index, non_ext_phy;
  5466. struct bnx2x *bp = params->bp;
  5467. /* In case of external phy existence, the line speed would be the
  5468. * line speed linked up by the external phy. In case it is direct
  5469. * only, then the line_speed during initialization will be
  5470. * equal to the req_line_speed
  5471. */
  5472. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5473. /* Initialize the internal phy in case this is a direct board
  5474. * (no external phys), or this board has external phy which requires
  5475. * to first.
  5476. */
  5477. if (!USES_WARPCORE(bp))
  5478. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5479. /* init ext phy and enable link state int */
  5480. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5481. (params->loopback_mode == LOOPBACK_XGXS));
  5482. if (non_ext_phy ||
  5483. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5484. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5485. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5486. if (vars->line_speed == SPEED_AUTO_NEG &&
  5487. (CHIP_IS_E1x(bp) ||
  5488. CHIP_IS_E2(bp)))
  5489. bnx2x_set_parallel_detection(phy, params);
  5490. if (params->phy[INT_PHY].config_init)
  5491. params->phy[INT_PHY].config_init(phy,
  5492. params,
  5493. vars);
  5494. }
  5495. /* Init external phy*/
  5496. if (non_ext_phy) {
  5497. if (params->phy[INT_PHY].supported &
  5498. SUPPORTED_FIBRE)
  5499. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5500. } else {
  5501. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5502. phy_index++) {
  5503. /* No need to initialize second phy in case of first
  5504. * phy only selection. In case of second phy, we do
  5505. * need to initialize the first phy, since they are
  5506. * connected.
  5507. */
  5508. if (params->phy[phy_index].supported &
  5509. SUPPORTED_FIBRE)
  5510. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5511. if (phy_index == EXT_PHY2 &&
  5512. (bnx2x_phy_selection(params) ==
  5513. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5514. DP(NETIF_MSG_LINK,
  5515. "Not initializing second phy\n");
  5516. continue;
  5517. }
  5518. params->phy[phy_index].config_init(
  5519. &params->phy[phy_index],
  5520. params, vars);
  5521. }
  5522. }
  5523. /* Reset the interrupt indication after phy was initialized */
  5524. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5525. params->port*4,
  5526. (NIG_STATUS_XGXS0_LINK10G |
  5527. NIG_STATUS_XGXS0_LINK_STATUS |
  5528. NIG_STATUS_SERDES0_LINK_STATUS |
  5529. NIG_MASK_MI_INT));
  5530. return rc;
  5531. }
  5532. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5533. struct link_params *params)
  5534. {
  5535. /* Reset the SerDes/XGXS */
  5536. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5537. (0x1ff << (params->port*16)));
  5538. }
  5539. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5540. struct link_params *params)
  5541. {
  5542. struct bnx2x *bp = params->bp;
  5543. u8 gpio_port;
  5544. /* HW reset */
  5545. if (CHIP_IS_E2(bp))
  5546. gpio_port = BP_PATH(bp);
  5547. else
  5548. gpio_port = params->port;
  5549. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5550. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5551. gpio_port);
  5552. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5553. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5554. gpio_port);
  5555. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5556. }
  5557. static int bnx2x_update_link_down(struct link_params *params,
  5558. struct link_vars *vars)
  5559. {
  5560. struct bnx2x *bp = params->bp;
  5561. u8 port = params->port;
  5562. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5563. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5564. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5565. /* Indicate no mac active */
  5566. vars->mac_type = MAC_TYPE_NONE;
  5567. /* Update shared memory */
  5568. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5569. LINK_STATUS_LINK_UP |
  5570. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5571. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5572. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5573. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5574. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5575. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5576. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5577. vars->line_speed = 0;
  5578. bnx2x_update_mng(params, vars->link_status);
  5579. /* Activate nig drain */
  5580. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5581. /* Disable emac */
  5582. if (!CHIP_IS_E3(bp))
  5583. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5584. usleep_range(10000, 20000);
  5585. /* Reset BigMac/Xmac */
  5586. if (CHIP_IS_E1x(bp) ||
  5587. CHIP_IS_E2(bp))
  5588. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5589. if (CHIP_IS_E3(bp)) {
  5590. /* Prevent LPI Generation by chip */
  5591. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5592. 0);
  5593. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5594. 0);
  5595. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5596. SHMEM_EEE_ACTIVE_BIT);
  5597. bnx2x_update_mng_eee(params, vars->eee_status);
  5598. bnx2x_set_xmac_rxtx(params, 0);
  5599. bnx2x_set_umac_rxtx(params, 0);
  5600. }
  5601. return 0;
  5602. }
  5603. static int bnx2x_update_link_up(struct link_params *params,
  5604. struct link_vars *vars,
  5605. u8 link_10g)
  5606. {
  5607. struct bnx2x *bp = params->bp;
  5608. u8 phy_idx, port = params->port;
  5609. int rc = 0;
  5610. vars->link_status |= (LINK_STATUS_LINK_UP |
  5611. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5612. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5613. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5614. vars->link_status |=
  5615. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5616. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5617. vars->link_status |=
  5618. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5619. if (USES_WARPCORE(bp)) {
  5620. if (link_10g) {
  5621. if (bnx2x_xmac_enable(params, vars, 0) ==
  5622. -ESRCH) {
  5623. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5624. vars->link_up = 0;
  5625. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5626. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5627. }
  5628. } else
  5629. bnx2x_umac_enable(params, vars, 0);
  5630. bnx2x_set_led(params, vars,
  5631. LED_MODE_OPER, vars->line_speed);
  5632. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5633. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5634. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5635. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5636. (params->port << 2), 1);
  5637. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5638. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5639. (params->port << 2), 0xfc20);
  5640. }
  5641. }
  5642. if ((CHIP_IS_E1x(bp) ||
  5643. CHIP_IS_E2(bp))) {
  5644. if (link_10g) {
  5645. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5646. -ESRCH) {
  5647. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5648. vars->link_up = 0;
  5649. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5650. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5651. }
  5652. bnx2x_set_led(params, vars,
  5653. LED_MODE_OPER, SPEED_10000);
  5654. } else {
  5655. rc = bnx2x_emac_program(params, vars);
  5656. bnx2x_emac_enable(params, vars, 0);
  5657. /* AN complete? */
  5658. if ((vars->link_status &
  5659. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5660. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5661. SINGLE_MEDIA_DIRECT(params))
  5662. bnx2x_set_gmii_tx_driver(params);
  5663. }
  5664. }
  5665. /* PBF - link up */
  5666. if (CHIP_IS_E1x(bp))
  5667. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5668. vars->line_speed);
  5669. /* Disable drain */
  5670. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5671. /* Update shared memory */
  5672. bnx2x_update_mng(params, vars->link_status);
  5673. bnx2x_update_mng_eee(params, vars->eee_status);
  5674. /* Check remote fault */
  5675. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5676. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5677. bnx2x_check_half_open_conn(params, vars, 0);
  5678. break;
  5679. }
  5680. }
  5681. msleep(20);
  5682. return rc;
  5683. }
  5684. /* The bnx2x_link_update function should be called upon link
  5685. * interrupt.
  5686. * Link is considered up as follows:
  5687. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5688. * to be up
  5689. * - SINGLE_MEDIA - The link between the 577xx and the external
  5690. * phy (XGXS) need to up as well as the external link of the
  5691. * phy (PHY_EXT1)
  5692. * - DUAL_MEDIA - The link between the 577xx and the first
  5693. * external phy needs to be up, and at least one of the 2
  5694. * external phy link must be up.
  5695. */
  5696. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5697. {
  5698. struct bnx2x *bp = params->bp;
  5699. struct link_vars phy_vars[MAX_PHYS];
  5700. u8 port = params->port;
  5701. u8 link_10g_plus, phy_index;
  5702. u8 ext_phy_link_up = 0, cur_link_up;
  5703. int rc = 0;
  5704. u8 is_mi_int = 0;
  5705. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5706. u8 active_external_phy = INT_PHY;
  5707. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5708. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5709. phy_index++) {
  5710. phy_vars[phy_index].flow_ctrl = 0;
  5711. phy_vars[phy_index].link_status = 0;
  5712. phy_vars[phy_index].line_speed = 0;
  5713. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5714. phy_vars[phy_index].phy_link_up = 0;
  5715. phy_vars[phy_index].link_up = 0;
  5716. phy_vars[phy_index].fault_detected = 0;
  5717. /* different consideration, since vars holds inner state */
  5718. phy_vars[phy_index].eee_status = vars->eee_status;
  5719. }
  5720. if (USES_WARPCORE(bp))
  5721. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5722. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5723. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5724. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5725. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5726. port*0x18) > 0);
  5727. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5728. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5729. is_mi_int,
  5730. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5731. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5732. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5733. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5734. /* Disable emac */
  5735. if (!CHIP_IS_E3(bp))
  5736. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5737. /* Step 1:
  5738. * Check external link change only for external phys, and apply
  5739. * priority selection between them in case the link on both phys
  5740. * is up. Note that instead of the common vars, a temporary
  5741. * vars argument is used since each phy may have different link/
  5742. * speed/duplex result
  5743. */
  5744. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5745. phy_index++) {
  5746. struct bnx2x_phy *phy = &params->phy[phy_index];
  5747. if (!phy->read_status)
  5748. continue;
  5749. /* Read link status and params of this ext phy */
  5750. cur_link_up = phy->read_status(phy, params,
  5751. &phy_vars[phy_index]);
  5752. if (cur_link_up) {
  5753. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5754. phy_index);
  5755. } else {
  5756. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5757. phy_index);
  5758. continue;
  5759. }
  5760. if (!ext_phy_link_up) {
  5761. ext_phy_link_up = 1;
  5762. active_external_phy = phy_index;
  5763. } else {
  5764. switch (bnx2x_phy_selection(params)) {
  5765. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5766. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5767. /* In this option, the first PHY makes sure to pass the
  5768. * traffic through itself only.
  5769. * Its not clear how to reset the link on the second phy
  5770. */
  5771. active_external_phy = EXT_PHY1;
  5772. break;
  5773. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5774. /* In this option, the first PHY makes sure to pass the
  5775. * traffic through the second PHY.
  5776. */
  5777. active_external_phy = EXT_PHY2;
  5778. break;
  5779. default:
  5780. /* Link indication on both PHYs with the following cases
  5781. * is invalid:
  5782. * - FIRST_PHY means that second phy wasn't initialized,
  5783. * hence its link is expected to be down
  5784. * - SECOND_PHY means that first phy should not be able
  5785. * to link up by itself (using configuration)
  5786. * - DEFAULT should be overriden during initialiazation
  5787. */
  5788. DP(NETIF_MSG_LINK, "Invalid link indication"
  5789. "mpc=0x%x. DISABLING LINK !!!\n",
  5790. params->multi_phy_config);
  5791. ext_phy_link_up = 0;
  5792. break;
  5793. }
  5794. }
  5795. }
  5796. prev_line_speed = vars->line_speed;
  5797. /* Step 2:
  5798. * Read the status of the internal phy. In case of
  5799. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5800. * otherwise this is the link between the 577xx and the first
  5801. * external phy
  5802. */
  5803. if (params->phy[INT_PHY].read_status)
  5804. params->phy[INT_PHY].read_status(
  5805. &params->phy[INT_PHY],
  5806. params, vars);
  5807. /* The INT_PHY flow control reside in the vars. This include the
  5808. * case where the speed or flow control are not set to AUTO.
  5809. * Otherwise, the active external phy flow control result is set
  5810. * to the vars. The ext_phy_line_speed is needed to check if the
  5811. * speed is different between the internal phy and external phy.
  5812. * This case may be result of intermediate link speed change.
  5813. */
  5814. if (active_external_phy > INT_PHY) {
  5815. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5816. /* Link speed is taken from the XGXS. AN and FC result from
  5817. * the external phy.
  5818. */
  5819. vars->link_status |= phy_vars[active_external_phy].link_status;
  5820. /* if active_external_phy is first PHY and link is up - disable
  5821. * disable TX on second external PHY
  5822. */
  5823. if (active_external_phy == EXT_PHY1) {
  5824. if (params->phy[EXT_PHY2].phy_specific_func) {
  5825. DP(NETIF_MSG_LINK,
  5826. "Disabling TX on EXT_PHY2\n");
  5827. params->phy[EXT_PHY2].phy_specific_func(
  5828. &params->phy[EXT_PHY2],
  5829. params, DISABLE_TX);
  5830. }
  5831. }
  5832. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5833. vars->duplex = phy_vars[active_external_phy].duplex;
  5834. if (params->phy[active_external_phy].supported &
  5835. SUPPORTED_FIBRE)
  5836. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5837. else
  5838. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5839. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5840. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5841. active_external_phy);
  5842. }
  5843. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5844. phy_index++) {
  5845. if (params->phy[phy_index].flags &
  5846. FLAGS_REARM_LATCH_SIGNAL) {
  5847. bnx2x_rearm_latch_signal(bp, port,
  5848. phy_index ==
  5849. active_external_phy);
  5850. break;
  5851. }
  5852. }
  5853. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5854. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5855. vars->link_status, ext_phy_line_speed);
  5856. /* Upon link speed change set the NIG into drain mode. Comes to
  5857. * deals with possible FIFO glitch due to clk change when speed
  5858. * is decreased without link down indicator
  5859. */
  5860. if (vars->phy_link_up) {
  5861. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5862. (ext_phy_line_speed != vars->line_speed)) {
  5863. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5864. " different than the external"
  5865. " link speed %d\n", vars->line_speed,
  5866. ext_phy_line_speed);
  5867. vars->phy_link_up = 0;
  5868. } else if (prev_line_speed != vars->line_speed) {
  5869. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5870. 0);
  5871. usleep_range(1000, 2000);
  5872. }
  5873. }
  5874. /* Anything 10 and over uses the bmac */
  5875. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5876. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5877. /* In case external phy link is up, and internal link is down
  5878. * (not initialized yet probably after link initialization, it
  5879. * needs to be initialized.
  5880. * Note that after link down-up as result of cable plug, the xgxs
  5881. * link would probably become up again without the need
  5882. * initialize it
  5883. */
  5884. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5885. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5886. " init_preceding = %d\n", ext_phy_link_up,
  5887. vars->phy_link_up,
  5888. params->phy[EXT_PHY1].flags &
  5889. FLAGS_INIT_XGXS_FIRST);
  5890. if (!(params->phy[EXT_PHY1].flags &
  5891. FLAGS_INIT_XGXS_FIRST)
  5892. && ext_phy_link_up && !vars->phy_link_up) {
  5893. vars->line_speed = ext_phy_line_speed;
  5894. if (vars->line_speed < SPEED_1000)
  5895. vars->phy_flags |= PHY_SGMII_FLAG;
  5896. else
  5897. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5898. if (params->phy[INT_PHY].config_init)
  5899. params->phy[INT_PHY].config_init(
  5900. &params->phy[INT_PHY], params,
  5901. vars);
  5902. }
  5903. }
  5904. /* Link is up only if both local phy and external phy (in case of
  5905. * non-direct board) are up and no fault detected on active PHY.
  5906. */
  5907. vars->link_up = (vars->phy_link_up &&
  5908. (ext_phy_link_up ||
  5909. SINGLE_MEDIA_DIRECT(params)) &&
  5910. (phy_vars[active_external_phy].fault_detected == 0));
  5911. /* Update the PFC configuration in case it was changed */
  5912. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  5913. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  5914. else
  5915. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  5916. if (vars->link_up)
  5917. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5918. else
  5919. rc = bnx2x_update_link_down(params, vars);
  5920. /* Update MCP link status was changed */
  5921. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  5922. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  5923. return rc;
  5924. }
  5925. /*****************************************************************************/
  5926. /* External Phy section */
  5927. /*****************************************************************************/
  5928. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5929. {
  5930. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5931. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5932. usleep_range(1000, 2000);
  5933. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5934. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5935. }
  5936. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5937. u32 spirom_ver, u32 ver_addr)
  5938. {
  5939. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5940. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5941. if (ver_addr)
  5942. REG_WR(bp, ver_addr, spirom_ver);
  5943. }
  5944. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5945. struct bnx2x_phy *phy,
  5946. u8 port)
  5947. {
  5948. u16 fw_ver1, fw_ver2;
  5949. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5950. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5951. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5952. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5953. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5954. phy->ver_addr);
  5955. }
  5956. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5957. struct bnx2x_phy *phy,
  5958. struct link_vars *vars)
  5959. {
  5960. u16 val;
  5961. bnx2x_cl45_read(bp, phy,
  5962. MDIO_AN_DEVAD,
  5963. MDIO_AN_REG_STATUS, &val);
  5964. bnx2x_cl45_read(bp, phy,
  5965. MDIO_AN_DEVAD,
  5966. MDIO_AN_REG_STATUS, &val);
  5967. if (val & (1<<5))
  5968. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5969. if ((val & (1<<0)) == 0)
  5970. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5971. }
  5972. /******************************************************************/
  5973. /* common BCM8073/BCM8727 PHY SECTION */
  5974. /******************************************************************/
  5975. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5976. struct link_params *params,
  5977. struct link_vars *vars)
  5978. {
  5979. struct bnx2x *bp = params->bp;
  5980. if (phy->req_line_speed == SPEED_10 ||
  5981. phy->req_line_speed == SPEED_100) {
  5982. vars->flow_ctrl = phy->req_flow_ctrl;
  5983. return;
  5984. }
  5985. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5986. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5987. u16 pause_result;
  5988. u16 ld_pause; /* local */
  5989. u16 lp_pause; /* link partner */
  5990. bnx2x_cl45_read(bp, phy,
  5991. MDIO_AN_DEVAD,
  5992. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5993. bnx2x_cl45_read(bp, phy,
  5994. MDIO_AN_DEVAD,
  5995. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5996. pause_result = (ld_pause &
  5997. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5998. pause_result |= (lp_pause &
  5999. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6000. bnx2x_pause_resolve(vars, pause_result);
  6001. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6002. pause_result);
  6003. }
  6004. }
  6005. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6006. struct bnx2x_phy *phy,
  6007. u8 port)
  6008. {
  6009. u32 count = 0;
  6010. u16 fw_ver1, fw_msgout;
  6011. int rc = 0;
  6012. /* Boot port from external ROM */
  6013. /* EDC grst */
  6014. bnx2x_cl45_write(bp, phy,
  6015. MDIO_PMA_DEVAD,
  6016. MDIO_PMA_REG_GEN_CTRL,
  6017. 0x0001);
  6018. /* Ucode reboot and rst */
  6019. bnx2x_cl45_write(bp, phy,
  6020. MDIO_PMA_DEVAD,
  6021. MDIO_PMA_REG_GEN_CTRL,
  6022. 0x008c);
  6023. bnx2x_cl45_write(bp, phy,
  6024. MDIO_PMA_DEVAD,
  6025. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6026. /* Reset internal microprocessor */
  6027. bnx2x_cl45_write(bp, phy,
  6028. MDIO_PMA_DEVAD,
  6029. MDIO_PMA_REG_GEN_CTRL,
  6030. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6031. /* Release srst bit */
  6032. bnx2x_cl45_write(bp, phy,
  6033. MDIO_PMA_DEVAD,
  6034. MDIO_PMA_REG_GEN_CTRL,
  6035. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6036. /* Delay 100ms per the PHY specifications */
  6037. msleep(100);
  6038. /* 8073 sometimes taking longer to download */
  6039. do {
  6040. count++;
  6041. if (count > 300) {
  6042. DP(NETIF_MSG_LINK,
  6043. "bnx2x_8073_8727_external_rom_boot port %x:"
  6044. "Download failed. fw version = 0x%x\n",
  6045. port, fw_ver1);
  6046. rc = -EINVAL;
  6047. break;
  6048. }
  6049. bnx2x_cl45_read(bp, phy,
  6050. MDIO_PMA_DEVAD,
  6051. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6052. bnx2x_cl45_read(bp, phy,
  6053. MDIO_PMA_DEVAD,
  6054. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6055. usleep_range(1000, 2000);
  6056. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6057. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6058. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6059. /* Clear ser_boot_ctl bit */
  6060. bnx2x_cl45_write(bp, phy,
  6061. MDIO_PMA_DEVAD,
  6062. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6063. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6064. DP(NETIF_MSG_LINK,
  6065. "bnx2x_8073_8727_external_rom_boot port %x:"
  6066. "Download complete. fw version = 0x%x\n",
  6067. port, fw_ver1);
  6068. return rc;
  6069. }
  6070. /******************************************************************/
  6071. /* BCM8073 PHY SECTION */
  6072. /******************************************************************/
  6073. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6074. {
  6075. /* This is only required for 8073A1, version 102 only */
  6076. u16 val;
  6077. /* Read 8073 HW revision*/
  6078. bnx2x_cl45_read(bp, phy,
  6079. MDIO_PMA_DEVAD,
  6080. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6081. if (val != 1) {
  6082. /* No need to workaround in 8073 A1 */
  6083. return 0;
  6084. }
  6085. bnx2x_cl45_read(bp, phy,
  6086. MDIO_PMA_DEVAD,
  6087. MDIO_PMA_REG_ROM_VER2, &val);
  6088. /* SNR should be applied only for version 0x102 */
  6089. if (val != 0x102)
  6090. return 0;
  6091. return 1;
  6092. }
  6093. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6094. {
  6095. u16 val, cnt, cnt1 ;
  6096. bnx2x_cl45_read(bp, phy,
  6097. MDIO_PMA_DEVAD,
  6098. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6099. if (val > 0) {
  6100. /* No need to workaround in 8073 A1 */
  6101. return 0;
  6102. }
  6103. /* XAUI workaround in 8073 A0: */
  6104. /* After loading the boot ROM and restarting Autoneg, poll
  6105. * Dev1, Reg $C820:
  6106. */
  6107. for (cnt = 0; cnt < 1000; cnt++) {
  6108. bnx2x_cl45_read(bp, phy,
  6109. MDIO_PMA_DEVAD,
  6110. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6111. &val);
  6112. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6113. * system initialization (XAUI work-around not required, as
  6114. * these bits indicate 2.5G or 1G link up).
  6115. */
  6116. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6117. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6118. return 0;
  6119. } else if (!(val & (1<<15))) {
  6120. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6121. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6122. * MSB (bit15) goes to 1 (indicating that the XAUI
  6123. * workaround has completed), then continue on with
  6124. * system initialization.
  6125. */
  6126. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6127. bnx2x_cl45_read(bp, phy,
  6128. MDIO_PMA_DEVAD,
  6129. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6130. if (val & (1<<15)) {
  6131. DP(NETIF_MSG_LINK,
  6132. "XAUI workaround has completed\n");
  6133. return 0;
  6134. }
  6135. usleep_range(3000, 6000);
  6136. }
  6137. break;
  6138. }
  6139. usleep_range(3000, 6000);
  6140. }
  6141. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6142. return -EINVAL;
  6143. }
  6144. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6145. {
  6146. /* Force KR or KX */
  6147. bnx2x_cl45_write(bp, phy,
  6148. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6149. bnx2x_cl45_write(bp, phy,
  6150. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6151. bnx2x_cl45_write(bp, phy,
  6152. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6153. bnx2x_cl45_write(bp, phy,
  6154. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6155. }
  6156. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6157. struct bnx2x_phy *phy,
  6158. struct link_vars *vars)
  6159. {
  6160. u16 cl37_val;
  6161. struct bnx2x *bp = params->bp;
  6162. bnx2x_cl45_read(bp, phy,
  6163. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6164. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6165. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6166. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6167. if ((vars->ieee_fc &
  6168. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6169. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6170. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6171. }
  6172. if ((vars->ieee_fc &
  6173. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6174. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6175. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6176. }
  6177. if ((vars->ieee_fc &
  6178. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6179. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6180. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6181. }
  6182. DP(NETIF_MSG_LINK,
  6183. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6184. bnx2x_cl45_write(bp, phy,
  6185. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6186. msleep(500);
  6187. }
  6188. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6189. struct link_params *params,
  6190. u32 action)
  6191. {
  6192. struct bnx2x *bp = params->bp;
  6193. switch (action) {
  6194. case PHY_INIT:
  6195. /* Enable LASI */
  6196. bnx2x_cl45_write(bp, phy,
  6197. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6198. bnx2x_cl45_write(bp, phy,
  6199. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6200. break;
  6201. }
  6202. }
  6203. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6204. struct link_params *params,
  6205. struct link_vars *vars)
  6206. {
  6207. struct bnx2x *bp = params->bp;
  6208. u16 val = 0, tmp1;
  6209. u8 gpio_port;
  6210. DP(NETIF_MSG_LINK, "Init 8073\n");
  6211. if (CHIP_IS_E2(bp))
  6212. gpio_port = BP_PATH(bp);
  6213. else
  6214. gpio_port = params->port;
  6215. /* Restore normal power mode*/
  6216. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6217. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6218. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6219. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6220. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6221. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6222. bnx2x_cl45_read(bp, phy,
  6223. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6224. bnx2x_cl45_read(bp, phy,
  6225. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6226. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6227. /* Swap polarity if required - Must be done only in non-1G mode */
  6228. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6229. /* Configure the 8073 to swap _P and _N of the KR lines */
  6230. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6231. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6232. bnx2x_cl45_read(bp, phy,
  6233. MDIO_PMA_DEVAD,
  6234. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6235. bnx2x_cl45_write(bp, phy,
  6236. MDIO_PMA_DEVAD,
  6237. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6238. (val | (3<<9)));
  6239. }
  6240. /* Enable CL37 BAM */
  6241. if (REG_RD(bp, params->shmem_base +
  6242. offsetof(struct shmem_region, dev_info.
  6243. port_hw_config[params->port].default_cfg)) &
  6244. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6245. bnx2x_cl45_read(bp, phy,
  6246. MDIO_AN_DEVAD,
  6247. MDIO_AN_REG_8073_BAM, &val);
  6248. bnx2x_cl45_write(bp, phy,
  6249. MDIO_AN_DEVAD,
  6250. MDIO_AN_REG_8073_BAM, val | 1);
  6251. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6252. }
  6253. if (params->loopback_mode == LOOPBACK_EXT) {
  6254. bnx2x_807x_force_10G(bp, phy);
  6255. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6256. return 0;
  6257. } else {
  6258. bnx2x_cl45_write(bp, phy,
  6259. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6260. }
  6261. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6262. if (phy->req_line_speed == SPEED_10000) {
  6263. val = (1<<7);
  6264. } else if (phy->req_line_speed == SPEED_2500) {
  6265. val = (1<<5);
  6266. /* Note that 2.5G works only when used with 1G
  6267. * advertisement
  6268. */
  6269. } else
  6270. val = (1<<5);
  6271. } else {
  6272. val = 0;
  6273. if (phy->speed_cap_mask &
  6274. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6275. val |= (1<<7);
  6276. /* Note that 2.5G works only when used with 1G advertisement */
  6277. if (phy->speed_cap_mask &
  6278. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6279. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6280. val |= (1<<5);
  6281. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6282. }
  6283. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6284. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6285. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6286. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6287. (phy->req_line_speed == SPEED_2500)) {
  6288. u16 phy_ver;
  6289. /* Allow 2.5G for A1 and above */
  6290. bnx2x_cl45_read(bp, phy,
  6291. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6292. &phy_ver);
  6293. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6294. if (phy_ver > 0)
  6295. tmp1 |= 1;
  6296. else
  6297. tmp1 &= 0xfffe;
  6298. } else {
  6299. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6300. tmp1 &= 0xfffe;
  6301. }
  6302. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6303. /* Add support for CL37 (passive mode) II */
  6304. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6305. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6306. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6307. 0x20 : 0x40)));
  6308. /* Add support for CL37 (passive mode) III */
  6309. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6310. /* The SNR will improve about 2db by changing BW and FEE main
  6311. * tap. Rest commands are executed after link is up
  6312. * Change FFE main cursor to 5 in EDC register
  6313. */
  6314. if (bnx2x_8073_is_snr_needed(bp, phy))
  6315. bnx2x_cl45_write(bp, phy,
  6316. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6317. 0xFB0C);
  6318. /* Enable FEC (Forware Error Correction) Request in the AN */
  6319. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6320. tmp1 |= (1<<15);
  6321. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6322. bnx2x_ext_phy_set_pause(params, phy, vars);
  6323. /* Restart autoneg */
  6324. msleep(500);
  6325. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6326. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6327. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6328. return 0;
  6329. }
  6330. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6331. struct link_params *params,
  6332. struct link_vars *vars)
  6333. {
  6334. struct bnx2x *bp = params->bp;
  6335. u8 link_up = 0;
  6336. u16 val1, val2;
  6337. u16 link_status = 0;
  6338. u16 an1000_status = 0;
  6339. bnx2x_cl45_read(bp, phy,
  6340. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6341. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6342. /* Clear the interrupt LASI status register */
  6343. bnx2x_cl45_read(bp, phy,
  6344. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6345. bnx2x_cl45_read(bp, phy,
  6346. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6347. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6348. /* Clear MSG-OUT */
  6349. bnx2x_cl45_read(bp, phy,
  6350. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6351. /* Check the LASI */
  6352. bnx2x_cl45_read(bp, phy,
  6353. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6354. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6355. /* Check the link status */
  6356. bnx2x_cl45_read(bp, phy,
  6357. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6358. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6359. bnx2x_cl45_read(bp, phy,
  6360. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6361. bnx2x_cl45_read(bp, phy,
  6362. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6363. link_up = ((val1 & 4) == 4);
  6364. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6365. if (link_up &&
  6366. ((phy->req_line_speed != SPEED_10000))) {
  6367. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6368. return 0;
  6369. }
  6370. bnx2x_cl45_read(bp, phy,
  6371. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6372. bnx2x_cl45_read(bp, phy,
  6373. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6374. /* Check the link status on 1.1.2 */
  6375. bnx2x_cl45_read(bp, phy,
  6376. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6377. bnx2x_cl45_read(bp, phy,
  6378. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6379. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6380. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6381. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6382. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6383. /* The SNR will improve about 2dbby changing the BW and FEE main
  6384. * tap. The 1st write to change FFE main tap is set before
  6385. * restart AN. Change PLL Bandwidth in EDC register
  6386. */
  6387. bnx2x_cl45_write(bp, phy,
  6388. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6389. 0x26BC);
  6390. /* Change CDR Bandwidth in EDC register */
  6391. bnx2x_cl45_write(bp, phy,
  6392. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6393. 0x0333);
  6394. }
  6395. bnx2x_cl45_read(bp, phy,
  6396. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6397. &link_status);
  6398. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6399. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6400. link_up = 1;
  6401. vars->line_speed = SPEED_10000;
  6402. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6403. params->port);
  6404. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6405. link_up = 1;
  6406. vars->line_speed = SPEED_2500;
  6407. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6408. params->port);
  6409. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6410. link_up = 1;
  6411. vars->line_speed = SPEED_1000;
  6412. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6413. params->port);
  6414. } else {
  6415. link_up = 0;
  6416. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6417. params->port);
  6418. }
  6419. if (link_up) {
  6420. /* Swap polarity if required */
  6421. if (params->lane_config &
  6422. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6423. /* Configure the 8073 to swap P and N of the KR lines */
  6424. bnx2x_cl45_read(bp, phy,
  6425. MDIO_XS_DEVAD,
  6426. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6427. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6428. * when it`s in 10G mode.
  6429. */
  6430. if (vars->line_speed == SPEED_1000) {
  6431. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6432. "the 8073\n");
  6433. val1 |= (1<<3);
  6434. } else
  6435. val1 &= ~(1<<3);
  6436. bnx2x_cl45_write(bp, phy,
  6437. MDIO_XS_DEVAD,
  6438. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6439. val1);
  6440. }
  6441. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6442. bnx2x_8073_resolve_fc(phy, params, vars);
  6443. vars->duplex = DUPLEX_FULL;
  6444. }
  6445. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6446. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6447. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6448. if (val1 & (1<<5))
  6449. vars->link_status |=
  6450. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6451. if (val1 & (1<<7))
  6452. vars->link_status |=
  6453. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6454. }
  6455. return link_up;
  6456. }
  6457. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6458. struct link_params *params)
  6459. {
  6460. struct bnx2x *bp = params->bp;
  6461. u8 gpio_port;
  6462. if (CHIP_IS_E2(bp))
  6463. gpio_port = BP_PATH(bp);
  6464. else
  6465. gpio_port = params->port;
  6466. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6467. gpio_port);
  6468. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6469. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6470. gpio_port);
  6471. }
  6472. /******************************************************************/
  6473. /* BCM8705 PHY SECTION */
  6474. /******************************************************************/
  6475. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6476. struct link_params *params,
  6477. struct link_vars *vars)
  6478. {
  6479. struct bnx2x *bp = params->bp;
  6480. DP(NETIF_MSG_LINK, "init 8705\n");
  6481. /* Restore normal power mode*/
  6482. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6483. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6484. /* HW reset */
  6485. bnx2x_ext_phy_hw_reset(bp, params->port);
  6486. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6487. bnx2x_wait_reset_complete(bp, phy, params);
  6488. bnx2x_cl45_write(bp, phy,
  6489. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6490. bnx2x_cl45_write(bp, phy,
  6491. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6492. bnx2x_cl45_write(bp, phy,
  6493. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6494. bnx2x_cl45_write(bp, phy,
  6495. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6496. /* BCM8705 doesn't have microcode, hence the 0 */
  6497. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6498. return 0;
  6499. }
  6500. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6501. struct link_params *params,
  6502. struct link_vars *vars)
  6503. {
  6504. u8 link_up = 0;
  6505. u16 val1, rx_sd;
  6506. struct bnx2x *bp = params->bp;
  6507. DP(NETIF_MSG_LINK, "read status 8705\n");
  6508. bnx2x_cl45_read(bp, phy,
  6509. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6510. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6511. bnx2x_cl45_read(bp, phy,
  6512. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6513. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6516. bnx2x_cl45_read(bp, phy,
  6517. MDIO_PMA_DEVAD, 0xc809, &val1);
  6518. bnx2x_cl45_read(bp, phy,
  6519. MDIO_PMA_DEVAD, 0xc809, &val1);
  6520. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6521. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6522. if (link_up) {
  6523. vars->line_speed = SPEED_10000;
  6524. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6525. }
  6526. return link_up;
  6527. }
  6528. /******************************************************************/
  6529. /* SFP+ module Section */
  6530. /******************************************************************/
  6531. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6532. struct bnx2x_phy *phy,
  6533. u8 pmd_dis)
  6534. {
  6535. struct bnx2x *bp = params->bp;
  6536. /* Disable transmitter only for bootcodes which can enable it afterwards
  6537. * (for D3 link)
  6538. */
  6539. if (pmd_dis) {
  6540. if (params->feature_config_flags &
  6541. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6542. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6543. else {
  6544. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6545. return;
  6546. }
  6547. } else
  6548. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6549. bnx2x_cl45_write(bp, phy,
  6550. MDIO_PMA_DEVAD,
  6551. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6552. }
  6553. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6554. {
  6555. u8 gpio_port;
  6556. u32 swap_val, swap_override;
  6557. struct bnx2x *bp = params->bp;
  6558. if (CHIP_IS_E2(bp))
  6559. gpio_port = BP_PATH(bp);
  6560. else
  6561. gpio_port = params->port;
  6562. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6563. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6564. return gpio_port ^ (swap_val && swap_override);
  6565. }
  6566. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6567. struct bnx2x_phy *phy,
  6568. u8 tx_en)
  6569. {
  6570. u16 val;
  6571. u8 port = params->port;
  6572. struct bnx2x *bp = params->bp;
  6573. u32 tx_en_mode;
  6574. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6575. tx_en_mode = REG_RD(bp, params->shmem_base +
  6576. offsetof(struct shmem_region,
  6577. dev_info.port_hw_config[port].sfp_ctrl)) &
  6578. PORT_HW_CFG_TX_LASER_MASK;
  6579. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6580. "mode = %x\n", tx_en, port, tx_en_mode);
  6581. switch (tx_en_mode) {
  6582. case PORT_HW_CFG_TX_LASER_MDIO:
  6583. bnx2x_cl45_read(bp, phy,
  6584. MDIO_PMA_DEVAD,
  6585. MDIO_PMA_REG_PHY_IDENTIFIER,
  6586. &val);
  6587. if (tx_en)
  6588. val &= ~(1<<15);
  6589. else
  6590. val |= (1<<15);
  6591. bnx2x_cl45_write(bp, phy,
  6592. MDIO_PMA_DEVAD,
  6593. MDIO_PMA_REG_PHY_IDENTIFIER,
  6594. val);
  6595. break;
  6596. case PORT_HW_CFG_TX_LASER_GPIO0:
  6597. case PORT_HW_CFG_TX_LASER_GPIO1:
  6598. case PORT_HW_CFG_TX_LASER_GPIO2:
  6599. case PORT_HW_CFG_TX_LASER_GPIO3:
  6600. {
  6601. u16 gpio_pin;
  6602. u8 gpio_port, gpio_mode;
  6603. if (tx_en)
  6604. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6605. else
  6606. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6607. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6608. gpio_port = bnx2x_get_gpio_port(params);
  6609. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6610. break;
  6611. }
  6612. default:
  6613. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6614. break;
  6615. }
  6616. }
  6617. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6618. struct bnx2x_phy *phy,
  6619. u8 tx_en)
  6620. {
  6621. struct bnx2x *bp = params->bp;
  6622. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6623. if (CHIP_IS_E3(bp))
  6624. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6625. else
  6626. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6627. }
  6628. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6629. struct link_params *params,
  6630. u16 addr, u8 byte_cnt, u8 *o_buf)
  6631. {
  6632. struct bnx2x *bp = params->bp;
  6633. u16 val = 0;
  6634. u16 i;
  6635. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6636. DP(NETIF_MSG_LINK,
  6637. "Reading from eeprom is limited to 0xf\n");
  6638. return -EINVAL;
  6639. }
  6640. /* Set the read command byte count */
  6641. bnx2x_cl45_write(bp, phy,
  6642. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6643. (byte_cnt | 0xa000));
  6644. /* Set the read command address */
  6645. bnx2x_cl45_write(bp, phy,
  6646. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6647. addr);
  6648. /* Activate read command */
  6649. bnx2x_cl45_write(bp, phy,
  6650. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6651. 0x2c0f);
  6652. /* Wait up to 500us for command complete status */
  6653. for (i = 0; i < 100; i++) {
  6654. bnx2x_cl45_read(bp, phy,
  6655. MDIO_PMA_DEVAD,
  6656. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6657. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6658. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6659. break;
  6660. udelay(5);
  6661. }
  6662. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6663. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6664. DP(NETIF_MSG_LINK,
  6665. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6666. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6667. return -EINVAL;
  6668. }
  6669. /* Read the buffer */
  6670. for (i = 0; i < byte_cnt; i++) {
  6671. bnx2x_cl45_read(bp, phy,
  6672. MDIO_PMA_DEVAD,
  6673. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6674. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6675. }
  6676. for (i = 0; i < 100; i++) {
  6677. bnx2x_cl45_read(bp, phy,
  6678. MDIO_PMA_DEVAD,
  6679. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6680. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6681. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6682. return 0;
  6683. usleep_range(1000, 2000);
  6684. }
  6685. return -EINVAL;
  6686. }
  6687. static void bnx2x_warpcore_power_module(struct link_params *params,
  6688. struct bnx2x_phy *phy,
  6689. u8 power)
  6690. {
  6691. u32 pin_cfg;
  6692. struct bnx2x *bp = params->bp;
  6693. pin_cfg = (REG_RD(bp, params->shmem_base +
  6694. offsetof(struct shmem_region,
  6695. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6696. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6697. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6698. if (pin_cfg == PIN_CFG_NA)
  6699. return;
  6700. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6701. power, pin_cfg);
  6702. /* Low ==> corresponding SFP+ module is powered
  6703. * high ==> the SFP+ module is powered down
  6704. */
  6705. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6706. }
  6707. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6708. struct link_params *params,
  6709. u16 addr, u8 byte_cnt,
  6710. u8 *o_buf)
  6711. {
  6712. int rc = 0;
  6713. u8 i, j = 0, cnt = 0;
  6714. u32 data_array[4];
  6715. u16 addr32;
  6716. struct bnx2x *bp = params->bp;
  6717. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6718. DP(NETIF_MSG_LINK,
  6719. "Reading from eeprom is limited to 16 bytes\n");
  6720. return -EINVAL;
  6721. }
  6722. /* 4 byte aligned address */
  6723. addr32 = addr & (~0x3);
  6724. do {
  6725. if (cnt == I2C_WA_PWR_ITER) {
  6726. bnx2x_warpcore_power_module(params, phy, 0);
  6727. /* Note that 100us are not enough here */
  6728. usleep_range(1000,1000);
  6729. bnx2x_warpcore_power_module(params, phy, 1);
  6730. }
  6731. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6732. data_array);
  6733. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6734. if (rc == 0) {
  6735. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6736. o_buf[j] = *((u8 *)data_array + i);
  6737. j++;
  6738. }
  6739. }
  6740. return rc;
  6741. }
  6742. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6743. struct link_params *params,
  6744. u16 addr, u8 byte_cnt, u8 *o_buf)
  6745. {
  6746. struct bnx2x *bp = params->bp;
  6747. u16 val, i;
  6748. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6749. DP(NETIF_MSG_LINK,
  6750. "Reading from eeprom is limited to 0xf\n");
  6751. return -EINVAL;
  6752. }
  6753. /* Need to read from 1.8000 to clear it */
  6754. bnx2x_cl45_read(bp, phy,
  6755. MDIO_PMA_DEVAD,
  6756. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6757. &val);
  6758. /* Set the read command byte count */
  6759. bnx2x_cl45_write(bp, phy,
  6760. MDIO_PMA_DEVAD,
  6761. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6762. ((byte_cnt < 2) ? 2 : byte_cnt));
  6763. /* Set the read command address */
  6764. bnx2x_cl45_write(bp, phy,
  6765. MDIO_PMA_DEVAD,
  6766. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6767. addr);
  6768. /* Set the destination address */
  6769. bnx2x_cl45_write(bp, phy,
  6770. MDIO_PMA_DEVAD,
  6771. 0x8004,
  6772. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6773. /* Activate read command */
  6774. bnx2x_cl45_write(bp, phy,
  6775. MDIO_PMA_DEVAD,
  6776. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6777. 0x8002);
  6778. /* Wait appropriate time for two-wire command to finish before
  6779. * polling the status register
  6780. */
  6781. usleep_range(1000, 2000);
  6782. /* Wait up to 500us for command complete status */
  6783. for (i = 0; i < 100; i++) {
  6784. bnx2x_cl45_read(bp, phy,
  6785. MDIO_PMA_DEVAD,
  6786. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6787. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6788. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6789. break;
  6790. udelay(5);
  6791. }
  6792. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6793. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6794. DP(NETIF_MSG_LINK,
  6795. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6796. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6797. return -EFAULT;
  6798. }
  6799. /* Read the buffer */
  6800. for (i = 0; i < byte_cnt; i++) {
  6801. bnx2x_cl45_read(bp, phy,
  6802. MDIO_PMA_DEVAD,
  6803. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6804. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6805. }
  6806. for (i = 0; i < 100; i++) {
  6807. bnx2x_cl45_read(bp, phy,
  6808. MDIO_PMA_DEVAD,
  6809. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6810. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6811. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6812. return 0;
  6813. usleep_range(1000, 2000);
  6814. }
  6815. return -EINVAL;
  6816. }
  6817. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6818. struct link_params *params, u16 addr,
  6819. u8 byte_cnt, u8 *o_buf)
  6820. {
  6821. int rc = -EOPNOTSUPP;
  6822. switch (phy->type) {
  6823. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6824. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6825. byte_cnt, o_buf);
  6826. break;
  6827. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6828. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6829. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6830. byte_cnt, o_buf);
  6831. break;
  6832. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6833. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6834. byte_cnt, o_buf);
  6835. break;
  6836. }
  6837. return rc;
  6838. }
  6839. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6840. struct link_params *params,
  6841. u16 *edc_mode)
  6842. {
  6843. struct bnx2x *bp = params->bp;
  6844. u32 sync_offset = 0, phy_idx, media_types;
  6845. u8 val[2], check_limiting_mode = 0;
  6846. *edc_mode = EDC_MODE_LIMITING;
  6847. phy->media_type = ETH_PHY_UNSPECIFIED;
  6848. /* First check for copper cable */
  6849. if (bnx2x_read_sfp_module_eeprom(phy,
  6850. params,
  6851. SFP_EEPROM_CON_TYPE_ADDR,
  6852. 2,
  6853. (u8 *)val) != 0) {
  6854. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6855. return -EINVAL;
  6856. }
  6857. switch (val[0]) {
  6858. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6859. {
  6860. u8 copper_module_type;
  6861. phy->media_type = ETH_PHY_DA_TWINAX;
  6862. /* Check if its active cable (includes SFP+ module)
  6863. * of passive cable
  6864. */
  6865. if (bnx2x_read_sfp_module_eeprom(phy,
  6866. params,
  6867. SFP_EEPROM_FC_TX_TECH_ADDR,
  6868. 1,
  6869. &copper_module_type) != 0) {
  6870. DP(NETIF_MSG_LINK,
  6871. "Failed to read copper-cable-type"
  6872. " from SFP+ EEPROM\n");
  6873. return -EINVAL;
  6874. }
  6875. if (copper_module_type &
  6876. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6877. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6878. check_limiting_mode = 1;
  6879. } else if (copper_module_type &
  6880. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6881. DP(NETIF_MSG_LINK,
  6882. "Passive Copper cable detected\n");
  6883. *edc_mode =
  6884. EDC_MODE_PASSIVE_DAC;
  6885. } else {
  6886. DP(NETIF_MSG_LINK,
  6887. "Unknown copper-cable-type 0x%x !!!\n",
  6888. copper_module_type);
  6889. return -EINVAL;
  6890. }
  6891. break;
  6892. }
  6893. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6894. check_limiting_mode = 1;
  6895. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  6896. SFP_EEPROM_COMP_CODE_LR_MASK |
  6897. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  6898. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  6899. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  6900. phy->req_line_speed = SPEED_1000;
  6901. } else {
  6902. int idx, cfg_idx = 0;
  6903. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  6904. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  6905. if (params->phy[idx].type == phy->type) {
  6906. cfg_idx = LINK_CONFIG_IDX(idx);
  6907. break;
  6908. }
  6909. }
  6910. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  6911. phy->req_line_speed = params->req_line_speed[cfg_idx];
  6912. }
  6913. break;
  6914. default:
  6915. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6916. val[0]);
  6917. return -EINVAL;
  6918. }
  6919. sync_offset = params->shmem_base +
  6920. offsetof(struct shmem_region,
  6921. dev_info.port_hw_config[params->port].media_type);
  6922. media_types = REG_RD(bp, sync_offset);
  6923. /* Update media type for non-PMF sync */
  6924. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6925. if (&(params->phy[phy_idx]) == phy) {
  6926. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6927. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6928. media_types |= ((phy->media_type &
  6929. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6930. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6931. break;
  6932. }
  6933. }
  6934. REG_WR(bp, sync_offset, media_types);
  6935. if (check_limiting_mode) {
  6936. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6937. if (bnx2x_read_sfp_module_eeprom(phy,
  6938. params,
  6939. SFP_EEPROM_OPTIONS_ADDR,
  6940. SFP_EEPROM_OPTIONS_SIZE,
  6941. options) != 0) {
  6942. DP(NETIF_MSG_LINK,
  6943. "Failed to read Option field from module EEPROM\n");
  6944. return -EINVAL;
  6945. }
  6946. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6947. *edc_mode = EDC_MODE_LINEAR;
  6948. else
  6949. *edc_mode = EDC_MODE_LIMITING;
  6950. }
  6951. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6952. return 0;
  6953. }
  6954. /* This function read the relevant field from the module (SFP+), and verify it
  6955. * is compliant with this board
  6956. */
  6957. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6958. struct link_params *params)
  6959. {
  6960. struct bnx2x *bp = params->bp;
  6961. u32 val, cmd;
  6962. u32 fw_resp, fw_cmd_param;
  6963. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6964. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6965. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6966. val = REG_RD(bp, params->shmem_base +
  6967. offsetof(struct shmem_region, dev_info.
  6968. port_feature_config[params->port].config));
  6969. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6970. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6971. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6972. return 0;
  6973. }
  6974. if (params->feature_config_flags &
  6975. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6976. /* Use specific phy request */
  6977. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6978. } else if (params->feature_config_flags &
  6979. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6980. /* Use first phy request only in case of non-dual media*/
  6981. if (DUAL_MEDIA(params)) {
  6982. DP(NETIF_MSG_LINK,
  6983. "FW does not support OPT MDL verification\n");
  6984. return -EINVAL;
  6985. }
  6986. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6987. } else {
  6988. /* No support in OPT MDL detection */
  6989. DP(NETIF_MSG_LINK,
  6990. "FW does not support OPT MDL verification\n");
  6991. return -EINVAL;
  6992. }
  6993. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6994. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6995. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6996. DP(NETIF_MSG_LINK, "Approved module\n");
  6997. return 0;
  6998. }
  6999. /* Format the warning message */
  7000. if (bnx2x_read_sfp_module_eeprom(phy,
  7001. params,
  7002. SFP_EEPROM_VENDOR_NAME_ADDR,
  7003. SFP_EEPROM_VENDOR_NAME_SIZE,
  7004. (u8 *)vendor_name))
  7005. vendor_name[0] = '\0';
  7006. else
  7007. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7008. if (bnx2x_read_sfp_module_eeprom(phy,
  7009. params,
  7010. SFP_EEPROM_PART_NO_ADDR,
  7011. SFP_EEPROM_PART_NO_SIZE,
  7012. (u8 *)vendor_pn))
  7013. vendor_pn[0] = '\0';
  7014. else
  7015. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7016. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7017. " Port %d from %s part number %s\n",
  7018. params->port, vendor_name, vendor_pn);
  7019. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7020. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7021. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7022. return -EINVAL;
  7023. }
  7024. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7025. struct link_params *params)
  7026. {
  7027. u8 val;
  7028. struct bnx2x *bp = params->bp;
  7029. u16 timeout;
  7030. /* Initialization time after hot-plug may take up to 300ms for
  7031. * some phys type ( e.g. JDSU )
  7032. */
  7033. for (timeout = 0; timeout < 60; timeout++) {
  7034. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7035. == 0) {
  7036. DP(NETIF_MSG_LINK,
  7037. "SFP+ module initialization took %d ms\n",
  7038. timeout * 5);
  7039. return 0;
  7040. }
  7041. usleep_range(5000, 10000);
  7042. }
  7043. return -EINVAL;
  7044. }
  7045. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7046. struct bnx2x_phy *phy,
  7047. u8 is_power_up) {
  7048. /* Make sure GPIOs are not using for LED mode */
  7049. u16 val;
  7050. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7051. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7052. * output
  7053. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7054. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7055. * where the 1st bit is the over-current(only input), and 2nd bit is
  7056. * for power( only output )
  7057. *
  7058. * In case of NOC feature is disabled and power is up, set GPIO control
  7059. * as input to enable listening of over-current indication
  7060. */
  7061. if (phy->flags & FLAGS_NOC)
  7062. return;
  7063. if (is_power_up)
  7064. val = (1<<4);
  7065. else
  7066. /* Set GPIO control to OUTPUT, and set the power bit
  7067. * to according to the is_power_up
  7068. */
  7069. val = (1<<1);
  7070. bnx2x_cl45_write(bp, phy,
  7071. MDIO_PMA_DEVAD,
  7072. MDIO_PMA_REG_8727_GPIO_CTRL,
  7073. val);
  7074. }
  7075. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7076. struct bnx2x_phy *phy,
  7077. u16 edc_mode)
  7078. {
  7079. u16 cur_limiting_mode;
  7080. bnx2x_cl45_read(bp, phy,
  7081. MDIO_PMA_DEVAD,
  7082. MDIO_PMA_REG_ROM_VER2,
  7083. &cur_limiting_mode);
  7084. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7085. cur_limiting_mode);
  7086. if (edc_mode == EDC_MODE_LIMITING) {
  7087. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7088. bnx2x_cl45_write(bp, phy,
  7089. MDIO_PMA_DEVAD,
  7090. MDIO_PMA_REG_ROM_VER2,
  7091. EDC_MODE_LIMITING);
  7092. } else { /* LRM mode ( default )*/
  7093. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7094. /* Changing to LRM mode takes quite few seconds. So do it only
  7095. * if current mode is limiting (default is LRM)
  7096. */
  7097. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7098. return 0;
  7099. bnx2x_cl45_write(bp, phy,
  7100. MDIO_PMA_DEVAD,
  7101. MDIO_PMA_REG_LRM_MODE,
  7102. 0);
  7103. bnx2x_cl45_write(bp, phy,
  7104. MDIO_PMA_DEVAD,
  7105. MDIO_PMA_REG_ROM_VER2,
  7106. 0x128);
  7107. bnx2x_cl45_write(bp, phy,
  7108. MDIO_PMA_DEVAD,
  7109. MDIO_PMA_REG_MISC_CTRL0,
  7110. 0x4008);
  7111. bnx2x_cl45_write(bp, phy,
  7112. MDIO_PMA_DEVAD,
  7113. MDIO_PMA_REG_LRM_MODE,
  7114. 0xaaaa);
  7115. }
  7116. return 0;
  7117. }
  7118. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7119. struct bnx2x_phy *phy,
  7120. u16 edc_mode)
  7121. {
  7122. u16 phy_identifier;
  7123. u16 rom_ver2_val;
  7124. bnx2x_cl45_read(bp, phy,
  7125. MDIO_PMA_DEVAD,
  7126. MDIO_PMA_REG_PHY_IDENTIFIER,
  7127. &phy_identifier);
  7128. bnx2x_cl45_write(bp, phy,
  7129. MDIO_PMA_DEVAD,
  7130. MDIO_PMA_REG_PHY_IDENTIFIER,
  7131. (phy_identifier & ~(1<<9)));
  7132. bnx2x_cl45_read(bp, phy,
  7133. MDIO_PMA_DEVAD,
  7134. MDIO_PMA_REG_ROM_VER2,
  7135. &rom_ver2_val);
  7136. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7137. bnx2x_cl45_write(bp, phy,
  7138. MDIO_PMA_DEVAD,
  7139. MDIO_PMA_REG_ROM_VER2,
  7140. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7141. bnx2x_cl45_write(bp, phy,
  7142. MDIO_PMA_DEVAD,
  7143. MDIO_PMA_REG_PHY_IDENTIFIER,
  7144. (phy_identifier | (1<<9)));
  7145. return 0;
  7146. }
  7147. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7148. struct link_params *params,
  7149. u32 action)
  7150. {
  7151. struct bnx2x *bp = params->bp;
  7152. u16 val;
  7153. switch (action) {
  7154. case DISABLE_TX:
  7155. bnx2x_sfp_set_transmitter(params, phy, 0);
  7156. break;
  7157. case ENABLE_TX:
  7158. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7159. bnx2x_sfp_set_transmitter(params, phy, 1);
  7160. break;
  7161. case PHY_INIT:
  7162. bnx2x_cl45_write(bp, phy,
  7163. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7164. (1<<2) | (1<<5));
  7165. bnx2x_cl45_write(bp, phy,
  7166. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7167. 0);
  7168. bnx2x_cl45_write(bp, phy,
  7169. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7170. /* Make MOD_ABS give interrupt on change */
  7171. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7172. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7173. &val);
  7174. val |= (1<<12);
  7175. if (phy->flags & FLAGS_NOC)
  7176. val |= (3<<5);
  7177. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7178. * status which reflect SFP+ module over-current
  7179. */
  7180. if (!(phy->flags & FLAGS_NOC))
  7181. val &= 0xff8f; /* Reset bits 4-6 */
  7182. bnx2x_cl45_write(bp, phy,
  7183. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7184. val);
  7185. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7186. * to 100Khz since some DACs(direct attached cables) do
  7187. * not work at 400Khz.
  7188. */
  7189. bnx2x_cl45_write(bp, phy,
  7190. MDIO_PMA_DEVAD,
  7191. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7192. 0xa001);
  7193. break;
  7194. default:
  7195. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7196. action);
  7197. return;
  7198. }
  7199. }
  7200. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7201. u8 gpio_mode)
  7202. {
  7203. struct bnx2x *bp = params->bp;
  7204. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7205. offsetof(struct shmem_region,
  7206. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7207. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7208. switch (fault_led_gpio) {
  7209. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7210. return;
  7211. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7212. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7213. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7214. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7215. {
  7216. u8 gpio_port = bnx2x_get_gpio_port(params);
  7217. u16 gpio_pin = fault_led_gpio -
  7218. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7219. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7220. "pin %x port %x mode %x\n",
  7221. gpio_pin, gpio_port, gpio_mode);
  7222. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7223. }
  7224. break;
  7225. default:
  7226. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7227. fault_led_gpio);
  7228. }
  7229. }
  7230. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7231. u8 gpio_mode)
  7232. {
  7233. u32 pin_cfg;
  7234. u8 port = params->port;
  7235. struct bnx2x *bp = params->bp;
  7236. pin_cfg = (REG_RD(bp, params->shmem_base +
  7237. offsetof(struct shmem_region,
  7238. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7239. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7240. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7241. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7242. gpio_mode, pin_cfg);
  7243. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7244. }
  7245. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7246. u8 gpio_mode)
  7247. {
  7248. struct bnx2x *bp = params->bp;
  7249. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7250. if (CHIP_IS_E3(bp)) {
  7251. /* Low ==> if SFP+ module is supported otherwise
  7252. * High ==> if SFP+ module is not on the approved vendor list
  7253. */
  7254. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7255. } else
  7256. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7257. }
  7258. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7259. struct link_params *params)
  7260. {
  7261. struct bnx2x *bp = params->bp;
  7262. bnx2x_warpcore_power_module(params, phy, 0);
  7263. /* Put Warpcore in low power mode */
  7264. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7265. /* Put LCPLL in low power mode */
  7266. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7267. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7268. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7269. }
  7270. static void bnx2x_power_sfp_module(struct link_params *params,
  7271. struct bnx2x_phy *phy,
  7272. u8 power)
  7273. {
  7274. struct bnx2x *bp = params->bp;
  7275. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7276. switch (phy->type) {
  7277. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7278. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7279. bnx2x_8727_power_module(params->bp, phy, power);
  7280. break;
  7281. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7282. bnx2x_warpcore_power_module(params, phy, power);
  7283. break;
  7284. default:
  7285. break;
  7286. }
  7287. }
  7288. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7289. struct bnx2x_phy *phy,
  7290. u16 edc_mode)
  7291. {
  7292. u16 val = 0;
  7293. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7294. struct bnx2x *bp = params->bp;
  7295. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7296. /* This is a global register which controls all lanes */
  7297. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7298. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7299. val &= ~(0xf << (lane << 2));
  7300. switch (edc_mode) {
  7301. case EDC_MODE_LINEAR:
  7302. case EDC_MODE_LIMITING:
  7303. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7304. break;
  7305. case EDC_MODE_PASSIVE_DAC:
  7306. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7307. break;
  7308. default:
  7309. break;
  7310. }
  7311. val |= (mode << (lane << 2));
  7312. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7313. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7314. /* A must read */
  7315. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7316. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7317. /* Restart microcode to re-read the new mode */
  7318. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7319. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7320. }
  7321. static void bnx2x_set_limiting_mode(struct link_params *params,
  7322. struct bnx2x_phy *phy,
  7323. u16 edc_mode)
  7324. {
  7325. switch (phy->type) {
  7326. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7327. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7328. break;
  7329. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7330. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7331. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7332. break;
  7333. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7334. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7335. break;
  7336. }
  7337. }
  7338. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7339. struct link_params *params)
  7340. {
  7341. struct bnx2x *bp = params->bp;
  7342. u16 edc_mode;
  7343. int rc = 0;
  7344. u32 val = REG_RD(bp, params->shmem_base +
  7345. offsetof(struct shmem_region, dev_info.
  7346. port_feature_config[params->port].config));
  7347. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7348. params->port);
  7349. /* Power up module */
  7350. bnx2x_power_sfp_module(params, phy, 1);
  7351. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7352. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7353. return -EINVAL;
  7354. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7355. /* Check SFP+ module compatibility */
  7356. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7357. rc = -EINVAL;
  7358. /* Turn on fault module-detected led */
  7359. bnx2x_set_sfp_module_fault_led(params,
  7360. MISC_REGISTERS_GPIO_HIGH);
  7361. /* Check if need to power down the SFP+ module */
  7362. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7363. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7364. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7365. bnx2x_power_sfp_module(params, phy, 0);
  7366. return rc;
  7367. }
  7368. } else {
  7369. /* Turn off fault module-detected led */
  7370. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7371. }
  7372. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7373. * is done automatically
  7374. */
  7375. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7376. /* Enable transmit for this module if the module is approved, or
  7377. * if unapproved modules should also enable the Tx laser
  7378. */
  7379. if (rc == 0 ||
  7380. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7381. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7382. bnx2x_sfp_set_transmitter(params, phy, 1);
  7383. else
  7384. bnx2x_sfp_set_transmitter(params, phy, 0);
  7385. return rc;
  7386. }
  7387. void bnx2x_handle_module_detect_int(struct link_params *params)
  7388. {
  7389. struct bnx2x *bp = params->bp;
  7390. struct bnx2x_phy *phy;
  7391. u32 gpio_val;
  7392. u8 gpio_num, gpio_port;
  7393. if (CHIP_IS_E3(bp))
  7394. phy = &params->phy[INT_PHY];
  7395. else
  7396. phy = &params->phy[EXT_PHY1];
  7397. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7398. params->port, &gpio_num, &gpio_port) ==
  7399. -EINVAL) {
  7400. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7401. return;
  7402. }
  7403. /* Set valid module led off */
  7404. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7405. /* Get current gpio val reflecting module plugged in / out*/
  7406. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7407. /* Call the handling function in case module is detected */
  7408. if (gpio_val == 0) {
  7409. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7410. bnx2x_set_aer_mmd(params, phy);
  7411. bnx2x_power_sfp_module(params, phy, 1);
  7412. bnx2x_set_gpio_int(bp, gpio_num,
  7413. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7414. gpio_port);
  7415. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7416. bnx2x_sfp_module_detection(phy, params);
  7417. if (CHIP_IS_E3(bp)) {
  7418. u16 rx_tx_in_reset;
  7419. /* In case WC is out of reset, reconfigure the
  7420. * link speed while taking into account 1G
  7421. * module limitation.
  7422. */
  7423. bnx2x_cl45_read(bp, phy,
  7424. MDIO_WC_DEVAD,
  7425. MDIO_WC_REG_DIGITAL5_MISC6,
  7426. &rx_tx_in_reset);
  7427. if (!rx_tx_in_reset) {
  7428. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7429. bnx2x_warpcore_config_sfi(phy, params);
  7430. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7431. }
  7432. }
  7433. } else {
  7434. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7435. }
  7436. } else {
  7437. u32 val = REG_RD(bp, params->shmem_base +
  7438. offsetof(struct shmem_region, dev_info.
  7439. port_feature_config[params->port].
  7440. config));
  7441. bnx2x_set_gpio_int(bp, gpio_num,
  7442. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7443. gpio_port);
  7444. /* Module was plugged out.
  7445. * Disable transmit for this module
  7446. */
  7447. phy->media_type = ETH_PHY_NOT_PRESENT;
  7448. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7449. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7450. CHIP_IS_E3(bp))
  7451. bnx2x_sfp_set_transmitter(params, phy, 0);
  7452. }
  7453. }
  7454. /******************************************************************/
  7455. /* Used by 8706 and 8727 */
  7456. /******************************************************************/
  7457. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7458. struct bnx2x_phy *phy,
  7459. u16 alarm_status_offset,
  7460. u16 alarm_ctrl_offset)
  7461. {
  7462. u16 alarm_status, val;
  7463. bnx2x_cl45_read(bp, phy,
  7464. MDIO_PMA_DEVAD, alarm_status_offset,
  7465. &alarm_status);
  7466. bnx2x_cl45_read(bp, phy,
  7467. MDIO_PMA_DEVAD, alarm_status_offset,
  7468. &alarm_status);
  7469. /* Mask or enable the fault event. */
  7470. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7471. if (alarm_status & (1<<0))
  7472. val &= ~(1<<0);
  7473. else
  7474. val |= (1<<0);
  7475. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7476. }
  7477. /******************************************************************/
  7478. /* common BCM8706/BCM8726 PHY SECTION */
  7479. /******************************************************************/
  7480. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7481. struct link_params *params,
  7482. struct link_vars *vars)
  7483. {
  7484. u8 link_up = 0;
  7485. u16 val1, val2, rx_sd, pcs_status;
  7486. struct bnx2x *bp = params->bp;
  7487. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7488. /* Clear RX Alarm*/
  7489. bnx2x_cl45_read(bp, phy,
  7490. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7491. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7492. MDIO_PMA_LASI_TXCTRL);
  7493. /* Clear LASI indication*/
  7494. bnx2x_cl45_read(bp, phy,
  7495. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7496. bnx2x_cl45_read(bp, phy,
  7497. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7498. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7499. bnx2x_cl45_read(bp, phy,
  7500. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7501. bnx2x_cl45_read(bp, phy,
  7502. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7503. bnx2x_cl45_read(bp, phy,
  7504. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7505. bnx2x_cl45_read(bp, phy,
  7506. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7507. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7508. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7509. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7510. * are set, or if the autoneg bit 1 is set
  7511. */
  7512. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7513. if (link_up) {
  7514. if (val2 & (1<<1))
  7515. vars->line_speed = SPEED_1000;
  7516. else
  7517. vars->line_speed = SPEED_10000;
  7518. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7519. vars->duplex = DUPLEX_FULL;
  7520. }
  7521. /* Capture 10G link fault. Read twice to clear stale value. */
  7522. if (vars->line_speed == SPEED_10000) {
  7523. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7524. MDIO_PMA_LASI_TXSTAT, &val1);
  7525. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7526. MDIO_PMA_LASI_TXSTAT, &val1);
  7527. if (val1 & (1<<0))
  7528. vars->fault_detected = 1;
  7529. }
  7530. return link_up;
  7531. }
  7532. /******************************************************************/
  7533. /* BCM8706 PHY SECTION */
  7534. /******************************************************************/
  7535. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7536. struct link_params *params,
  7537. struct link_vars *vars)
  7538. {
  7539. u32 tx_en_mode;
  7540. u16 cnt, val, tmp1;
  7541. struct bnx2x *bp = params->bp;
  7542. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7543. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7544. /* HW reset */
  7545. bnx2x_ext_phy_hw_reset(bp, params->port);
  7546. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7547. bnx2x_wait_reset_complete(bp, phy, params);
  7548. /* Wait until fw is loaded */
  7549. for (cnt = 0; cnt < 100; cnt++) {
  7550. bnx2x_cl45_read(bp, phy,
  7551. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7552. if (val)
  7553. break;
  7554. usleep_range(10000, 20000);
  7555. }
  7556. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7557. if ((params->feature_config_flags &
  7558. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7559. u8 i;
  7560. u16 reg;
  7561. for (i = 0; i < 4; i++) {
  7562. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7563. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7564. MDIO_XS_8706_REG_BANK_RX0);
  7565. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7566. /* Clear first 3 bits of the control */
  7567. val &= ~0x7;
  7568. /* Set control bits according to configuration */
  7569. val |= (phy->rx_preemphasis[i] & 0x7);
  7570. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7571. " reg 0x%x <-- val 0x%x\n", reg, val);
  7572. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7573. }
  7574. }
  7575. /* Force speed */
  7576. if (phy->req_line_speed == SPEED_10000) {
  7577. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7578. bnx2x_cl45_write(bp, phy,
  7579. MDIO_PMA_DEVAD,
  7580. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7581. bnx2x_cl45_write(bp, phy,
  7582. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7583. 0);
  7584. /* Arm LASI for link and Tx fault. */
  7585. bnx2x_cl45_write(bp, phy,
  7586. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7587. } else {
  7588. /* Force 1Gbps using autoneg with 1G advertisement */
  7589. /* Allow CL37 through CL73 */
  7590. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7591. bnx2x_cl45_write(bp, phy,
  7592. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7593. /* Enable Full-Duplex advertisement on CL37 */
  7594. bnx2x_cl45_write(bp, phy,
  7595. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7596. /* Enable CL37 AN */
  7597. bnx2x_cl45_write(bp, phy,
  7598. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7599. /* 1G support */
  7600. bnx2x_cl45_write(bp, phy,
  7601. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7602. /* Enable clause 73 AN */
  7603. bnx2x_cl45_write(bp, phy,
  7604. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7605. bnx2x_cl45_write(bp, phy,
  7606. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7607. 0x0400);
  7608. bnx2x_cl45_write(bp, phy,
  7609. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7610. 0x0004);
  7611. }
  7612. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7613. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7614. * power mode, if TX Laser is disabled
  7615. */
  7616. tx_en_mode = REG_RD(bp, params->shmem_base +
  7617. offsetof(struct shmem_region,
  7618. dev_info.port_hw_config[params->port].sfp_ctrl))
  7619. & PORT_HW_CFG_TX_LASER_MASK;
  7620. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7621. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7622. bnx2x_cl45_read(bp, phy,
  7623. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7624. tmp1 |= 0x1;
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7627. }
  7628. return 0;
  7629. }
  7630. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7631. struct link_params *params,
  7632. struct link_vars *vars)
  7633. {
  7634. return bnx2x_8706_8726_read_status(phy, params, vars);
  7635. }
  7636. /******************************************************************/
  7637. /* BCM8726 PHY SECTION */
  7638. /******************************************************************/
  7639. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7640. struct link_params *params)
  7641. {
  7642. struct bnx2x *bp = params->bp;
  7643. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7644. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7645. }
  7646. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7647. struct link_params *params)
  7648. {
  7649. struct bnx2x *bp = params->bp;
  7650. /* Need to wait 100ms after reset */
  7651. msleep(100);
  7652. /* Micro controller re-boot */
  7653. bnx2x_cl45_write(bp, phy,
  7654. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7655. /* Set soft reset */
  7656. bnx2x_cl45_write(bp, phy,
  7657. MDIO_PMA_DEVAD,
  7658. MDIO_PMA_REG_GEN_CTRL,
  7659. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7660. bnx2x_cl45_write(bp, phy,
  7661. MDIO_PMA_DEVAD,
  7662. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7663. bnx2x_cl45_write(bp, phy,
  7664. MDIO_PMA_DEVAD,
  7665. MDIO_PMA_REG_GEN_CTRL,
  7666. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7667. /* Wait for 150ms for microcode load */
  7668. msleep(150);
  7669. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7670. bnx2x_cl45_write(bp, phy,
  7671. MDIO_PMA_DEVAD,
  7672. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7673. msleep(200);
  7674. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7675. }
  7676. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7677. struct link_params *params,
  7678. struct link_vars *vars)
  7679. {
  7680. struct bnx2x *bp = params->bp;
  7681. u16 val1;
  7682. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7683. if (link_up) {
  7684. bnx2x_cl45_read(bp, phy,
  7685. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7686. &val1);
  7687. if (val1 & (1<<15)) {
  7688. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7689. link_up = 0;
  7690. vars->line_speed = 0;
  7691. }
  7692. }
  7693. return link_up;
  7694. }
  7695. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7696. struct link_params *params,
  7697. struct link_vars *vars)
  7698. {
  7699. struct bnx2x *bp = params->bp;
  7700. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7701. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7702. bnx2x_wait_reset_complete(bp, phy, params);
  7703. bnx2x_8726_external_rom_boot(phy, params);
  7704. /* Need to call module detected on initialization since the module
  7705. * detection triggered by actual module insertion might occur before
  7706. * driver is loaded, and when driver is loaded, it reset all
  7707. * registers, including the transmitter
  7708. */
  7709. bnx2x_sfp_module_detection(phy, params);
  7710. if (phy->req_line_speed == SPEED_1000) {
  7711. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7712. bnx2x_cl45_write(bp, phy,
  7713. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7716. bnx2x_cl45_write(bp, phy,
  7717. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7718. bnx2x_cl45_write(bp, phy,
  7719. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7720. 0x400);
  7721. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7722. (phy->speed_cap_mask &
  7723. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7724. ((phy->speed_cap_mask &
  7725. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7726. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7727. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7728. /* Set Flow control */
  7729. bnx2x_ext_phy_set_pause(params, phy, vars);
  7730. bnx2x_cl45_write(bp, phy,
  7731. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7732. bnx2x_cl45_write(bp, phy,
  7733. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7734. bnx2x_cl45_write(bp, phy,
  7735. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7736. bnx2x_cl45_write(bp, phy,
  7737. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7738. bnx2x_cl45_write(bp, phy,
  7739. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7740. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7741. * change
  7742. */
  7743. bnx2x_cl45_write(bp, phy,
  7744. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7745. bnx2x_cl45_write(bp, phy,
  7746. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7747. 0x400);
  7748. } else { /* Default 10G. Set only LASI control */
  7749. bnx2x_cl45_write(bp, phy,
  7750. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7751. }
  7752. /* Set TX PreEmphasis if needed */
  7753. if ((params->feature_config_flags &
  7754. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7755. DP(NETIF_MSG_LINK,
  7756. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7757. phy->tx_preemphasis[0],
  7758. phy->tx_preemphasis[1]);
  7759. bnx2x_cl45_write(bp, phy,
  7760. MDIO_PMA_DEVAD,
  7761. MDIO_PMA_REG_8726_TX_CTRL1,
  7762. phy->tx_preemphasis[0]);
  7763. bnx2x_cl45_write(bp, phy,
  7764. MDIO_PMA_DEVAD,
  7765. MDIO_PMA_REG_8726_TX_CTRL2,
  7766. phy->tx_preemphasis[1]);
  7767. }
  7768. return 0;
  7769. }
  7770. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7771. struct link_params *params)
  7772. {
  7773. struct bnx2x *bp = params->bp;
  7774. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7775. /* Set serial boot control for external load */
  7776. bnx2x_cl45_write(bp, phy,
  7777. MDIO_PMA_DEVAD,
  7778. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7779. }
  7780. /******************************************************************/
  7781. /* BCM8727 PHY SECTION */
  7782. /******************************************************************/
  7783. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7784. struct link_params *params, u8 mode)
  7785. {
  7786. struct bnx2x *bp = params->bp;
  7787. u16 led_mode_bitmask = 0;
  7788. u16 gpio_pins_bitmask = 0;
  7789. u16 val;
  7790. /* Only NOC flavor requires to set the LED specifically */
  7791. if (!(phy->flags & FLAGS_NOC))
  7792. return;
  7793. switch (mode) {
  7794. case LED_MODE_FRONT_PANEL_OFF:
  7795. case LED_MODE_OFF:
  7796. led_mode_bitmask = 0;
  7797. gpio_pins_bitmask = 0x03;
  7798. break;
  7799. case LED_MODE_ON:
  7800. led_mode_bitmask = 0;
  7801. gpio_pins_bitmask = 0x02;
  7802. break;
  7803. case LED_MODE_OPER:
  7804. led_mode_bitmask = 0x60;
  7805. gpio_pins_bitmask = 0x11;
  7806. break;
  7807. }
  7808. bnx2x_cl45_read(bp, phy,
  7809. MDIO_PMA_DEVAD,
  7810. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7811. &val);
  7812. val &= 0xff8f;
  7813. val |= led_mode_bitmask;
  7814. bnx2x_cl45_write(bp, phy,
  7815. MDIO_PMA_DEVAD,
  7816. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7817. val);
  7818. bnx2x_cl45_read(bp, phy,
  7819. MDIO_PMA_DEVAD,
  7820. MDIO_PMA_REG_8727_GPIO_CTRL,
  7821. &val);
  7822. val &= 0xffe0;
  7823. val |= gpio_pins_bitmask;
  7824. bnx2x_cl45_write(bp, phy,
  7825. MDIO_PMA_DEVAD,
  7826. MDIO_PMA_REG_8727_GPIO_CTRL,
  7827. val);
  7828. }
  7829. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7830. struct link_params *params) {
  7831. u32 swap_val, swap_override;
  7832. u8 port;
  7833. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7834. * to cancel the swap done in set_gpio()
  7835. */
  7836. struct bnx2x *bp = params->bp;
  7837. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7838. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7839. port = (swap_val && swap_override) ^ 1;
  7840. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7841. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7842. }
  7843. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  7844. struct link_params *params)
  7845. {
  7846. struct bnx2x *bp = params->bp;
  7847. u16 tmp1, val;
  7848. /* Set option 1G speed */
  7849. if ((phy->req_line_speed == SPEED_1000) ||
  7850. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  7851. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7852. bnx2x_cl45_write(bp, phy,
  7853. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7854. bnx2x_cl45_write(bp, phy,
  7855. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7856. bnx2x_cl45_read(bp, phy,
  7857. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7858. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7859. /* Power down the XAUI until link is up in case of dual-media
  7860. * and 1G
  7861. */
  7862. if (DUAL_MEDIA(params)) {
  7863. bnx2x_cl45_read(bp, phy,
  7864. MDIO_PMA_DEVAD,
  7865. MDIO_PMA_REG_8727_PCS_GP, &val);
  7866. val |= (3<<10);
  7867. bnx2x_cl45_write(bp, phy,
  7868. MDIO_PMA_DEVAD,
  7869. MDIO_PMA_REG_8727_PCS_GP, val);
  7870. }
  7871. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7872. ((phy->speed_cap_mask &
  7873. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7874. ((phy->speed_cap_mask &
  7875. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7876. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7877. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7880. bnx2x_cl45_write(bp, phy,
  7881. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7882. } else {
  7883. /* Since the 8727 has only single reset pin, need to set the 10G
  7884. * registers although it is default
  7885. */
  7886. bnx2x_cl45_write(bp, phy,
  7887. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7888. 0x0020);
  7889. bnx2x_cl45_write(bp, phy,
  7890. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7891. bnx2x_cl45_write(bp, phy,
  7892. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7893. bnx2x_cl45_write(bp, phy,
  7894. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7895. 0x0008);
  7896. }
  7897. }
  7898. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7899. struct link_params *params,
  7900. struct link_vars *vars)
  7901. {
  7902. u32 tx_en_mode;
  7903. u16 tmp1, mod_abs, tmp2;
  7904. struct bnx2x *bp = params->bp;
  7905. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7906. bnx2x_wait_reset_complete(bp, phy, params);
  7907. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7908. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  7909. /* Initially configure MOD_ABS to interrupt when module is
  7910. * presence( bit 8)
  7911. */
  7912. bnx2x_cl45_read(bp, phy,
  7913. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7914. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7915. * When the EDC is off it locks onto a reference clock and avoids
  7916. * becoming 'lost'
  7917. */
  7918. mod_abs &= ~(1<<8);
  7919. if (!(phy->flags & FLAGS_NOC))
  7920. mod_abs &= ~(1<<9);
  7921. bnx2x_cl45_write(bp, phy,
  7922. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7923. /* Enable/Disable PHY transmitter output */
  7924. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7925. bnx2x_8727_power_module(bp, phy, 1);
  7926. bnx2x_cl45_read(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7928. bnx2x_cl45_read(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7930. bnx2x_8727_config_speed(phy, params);
  7931. /* Set TX PreEmphasis if needed */
  7932. if ((params->feature_config_flags &
  7933. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7934. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7935. phy->tx_preemphasis[0],
  7936. phy->tx_preemphasis[1]);
  7937. bnx2x_cl45_write(bp, phy,
  7938. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7939. phy->tx_preemphasis[0]);
  7940. bnx2x_cl45_write(bp, phy,
  7941. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7942. phy->tx_preemphasis[1]);
  7943. }
  7944. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7945. * power mode, if TX Laser is disabled
  7946. */
  7947. tx_en_mode = REG_RD(bp, params->shmem_base +
  7948. offsetof(struct shmem_region,
  7949. dev_info.port_hw_config[params->port].sfp_ctrl))
  7950. & PORT_HW_CFG_TX_LASER_MASK;
  7951. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7952. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7953. bnx2x_cl45_read(bp, phy,
  7954. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7955. tmp2 |= 0x1000;
  7956. tmp2 &= 0xFFEF;
  7957. bnx2x_cl45_write(bp, phy,
  7958. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7959. bnx2x_cl45_read(bp, phy,
  7960. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7961. &tmp2);
  7962. bnx2x_cl45_write(bp, phy,
  7963. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7964. (tmp2 & 0x7fff));
  7965. }
  7966. return 0;
  7967. }
  7968. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7969. struct link_params *params)
  7970. {
  7971. struct bnx2x *bp = params->bp;
  7972. u16 mod_abs, rx_alarm_status;
  7973. u32 val = REG_RD(bp, params->shmem_base +
  7974. offsetof(struct shmem_region, dev_info.
  7975. port_feature_config[params->port].
  7976. config));
  7977. bnx2x_cl45_read(bp, phy,
  7978. MDIO_PMA_DEVAD,
  7979. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7980. if (mod_abs & (1<<8)) {
  7981. /* Module is absent */
  7982. DP(NETIF_MSG_LINK,
  7983. "MOD_ABS indication show module is absent\n");
  7984. phy->media_type = ETH_PHY_NOT_PRESENT;
  7985. /* 1. Set mod_abs to detect next module
  7986. * presence event
  7987. * 2. Set EDC off by setting OPTXLOS signal input to low
  7988. * (bit 9).
  7989. * When the EDC is off it locks onto a reference clock and
  7990. * avoids becoming 'lost'.
  7991. */
  7992. mod_abs &= ~(1<<8);
  7993. if (!(phy->flags & FLAGS_NOC))
  7994. mod_abs &= ~(1<<9);
  7995. bnx2x_cl45_write(bp, phy,
  7996. MDIO_PMA_DEVAD,
  7997. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7998. /* Clear RX alarm since it stays up as long as
  7999. * the mod_abs wasn't changed
  8000. */
  8001. bnx2x_cl45_read(bp, phy,
  8002. MDIO_PMA_DEVAD,
  8003. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8004. } else {
  8005. /* Module is present */
  8006. DP(NETIF_MSG_LINK,
  8007. "MOD_ABS indication show module is present\n");
  8008. /* First disable transmitter, and if the module is ok, the
  8009. * module_detection will enable it
  8010. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8011. * 2. Restore the default polarity of the OPRXLOS signal and
  8012. * this signal will then correctly indicate the presence or
  8013. * absence of the Rx signal. (bit 9)
  8014. */
  8015. mod_abs |= (1<<8);
  8016. if (!(phy->flags & FLAGS_NOC))
  8017. mod_abs |= (1<<9);
  8018. bnx2x_cl45_write(bp, phy,
  8019. MDIO_PMA_DEVAD,
  8020. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8021. /* Clear RX alarm since it stays up as long as the mod_abs
  8022. * wasn't changed. This is need to be done before calling the
  8023. * module detection, otherwise it will clear* the link update
  8024. * alarm
  8025. */
  8026. bnx2x_cl45_read(bp, phy,
  8027. MDIO_PMA_DEVAD,
  8028. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8029. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8030. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8031. bnx2x_sfp_set_transmitter(params, phy, 0);
  8032. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8033. bnx2x_sfp_module_detection(phy, params);
  8034. else
  8035. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8036. /* Reconfigure link speed based on module type limitations */
  8037. bnx2x_8727_config_speed(phy, params);
  8038. }
  8039. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8040. rx_alarm_status);
  8041. /* No need to check link status in case of module plugged in/out */
  8042. }
  8043. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8044. struct link_params *params,
  8045. struct link_vars *vars)
  8046. {
  8047. struct bnx2x *bp = params->bp;
  8048. u8 link_up = 0, oc_port = params->port;
  8049. u16 link_status = 0;
  8050. u16 rx_alarm_status, lasi_ctrl, val1;
  8051. /* If PHY is not initialized, do not check link status */
  8052. bnx2x_cl45_read(bp, phy,
  8053. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8054. &lasi_ctrl);
  8055. if (!lasi_ctrl)
  8056. return 0;
  8057. /* Check the LASI on Rx */
  8058. bnx2x_cl45_read(bp, phy,
  8059. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8060. &rx_alarm_status);
  8061. vars->line_speed = 0;
  8062. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8063. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8064. MDIO_PMA_LASI_TXCTRL);
  8065. bnx2x_cl45_read(bp, phy,
  8066. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8067. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8068. /* Clear MSG-OUT */
  8069. bnx2x_cl45_read(bp, phy,
  8070. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8071. /* If a module is present and there is need to check
  8072. * for over current
  8073. */
  8074. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8075. /* Check over-current using 8727 GPIO0 input*/
  8076. bnx2x_cl45_read(bp, phy,
  8077. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8078. &val1);
  8079. if ((val1 & (1<<8)) == 0) {
  8080. if (!CHIP_IS_E1x(bp))
  8081. oc_port = BP_PATH(bp) + (params->port << 1);
  8082. DP(NETIF_MSG_LINK,
  8083. "8727 Power fault has been detected on port %d\n",
  8084. oc_port);
  8085. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8086. "been detected and the power to "
  8087. "that SFP+ module has been removed "
  8088. "to prevent failure of the card. "
  8089. "Please remove the SFP+ module and "
  8090. "restart the system to clear this "
  8091. "error.\n",
  8092. oc_port);
  8093. /* Disable all RX_ALARMs except for mod_abs */
  8094. bnx2x_cl45_write(bp, phy,
  8095. MDIO_PMA_DEVAD,
  8096. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8097. bnx2x_cl45_read(bp, phy,
  8098. MDIO_PMA_DEVAD,
  8099. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8100. /* Wait for module_absent_event */
  8101. val1 |= (1<<8);
  8102. bnx2x_cl45_write(bp, phy,
  8103. MDIO_PMA_DEVAD,
  8104. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8105. /* Clear RX alarm */
  8106. bnx2x_cl45_read(bp, phy,
  8107. MDIO_PMA_DEVAD,
  8108. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8109. return 0;
  8110. }
  8111. } /* Over current check */
  8112. /* When module absent bit is set, check module */
  8113. if (rx_alarm_status & (1<<5)) {
  8114. bnx2x_8727_handle_mod_abs(phy, params);
  8115. /* Enable all mod_abs and link detection bits */
  8116. bnx2x_cl45_write(bp, phy,
  8117. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8118. ((1<<5) | (1<<2)));
  8119. }
  8120. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8121. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8122. bnx2x_sfp_set_transmitter(params, phy, 1);
  8123. } else {
  8124. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8125. return 0;
  8126. }
  8127. bnx2x_cl45_read(bp, phy,
  8128. MDIO_PMA_DEVAD,
  8129. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8130. /* Bits 0..2 --> speed detected,
  8131. * Bits 13..15--> link is down
  8132. */
  8133. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8134. link_up = 1;
  8135. vars->line_speed = SPEED_10000;
  8136. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8137. params->port);
  8138. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8139. link_up = 1;
  8140. vars->line_speed = SPEED_1000;
  8141. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8142. params->port);
  8143. } else {
  8144. link_up = 0;
  8145. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8146. params->port);
  8147. }
  8148. /* Capture 10G link fault. */
  8149. if (vars->line_speed == SPEED_10000) {
  8150. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8151. MDIO_PMA_LASI_TXSTAT, &val1);
  8152. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8153. MDIO_PMA_LASI_TXSTAT, &val1);
  8154. if (val1 & (1<<0)) {
  8155. vars->fault_detected = 1;
  8156. }
  8157. }
  8158. if (link_up) {
  8159. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8160. vars->duplex = DUPLEX_FULL;
  8161. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8162. }
  8163. if ((DUAL_MEDIA(params)) &&
  8164. (phy->req_line_speed == SPEED_1000)) {
  8165. bnx2x_cl45_read(bp, phy,
  8166. MDIO_PMA_DEVAD,
  8167. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8168. /* In case of dual-media board and 1G, power up the XAUI side,
  8169. * otherwise power it down. For 10G it is done automatically
  8170. */
  8171. if (link_up)
  8172. val1 &= ~(3<<10);
  8173. else
  8174. val1 |= (3<<10);
  8175. bnx2x_cl45_write(bp, phy,
  8176. MDIO_PMA_DEVAD,
  8177. MDIO_PMA_REG_8727_PCS_GP, val1);
  8178. }
  8179. return link_up;
  8180. }
  8181. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8182. struct link_params *params)
  8183. {
  8184. struct bnx2x *bp = params->bp;
  8185. /* Enable/Disable PHY transmitter output */
  8186. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8187. /* Disable Transmitter */
  8188. bnx2x_sfp_set_transmitter(params, phy, 0);
  8189. /* Clear LASI */
  8190. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8191. }
  8192. /******************************************************************/
  8193. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8194. /******************************************************************/
  8195. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8196. struct bnx2x *bp,
  8197. u8 port)
  8198. {
  8199. u16 val, fw_ver1, fw_ver2, cnt;
  8200. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8201. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8202. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8203. phy->ver_addr);
  8204. } else {
  8205. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8206. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8207. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8208. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8209. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8210. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8211. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8212. for (cnt = 0; cnt < 100; cnt++) {
  8213. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8214. if (val & 1)
  8215. break;
  8216. udelay(5);
  8217. }
  8218. if (cnt == 100) {
  8219. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8220. "phy fw version(1)\n");
  8221. bnx2x_save_spirom_version(bp, port, 0,
  8222. phy->ver_addr);
  8223. return;
  8224. }
  8225. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8226. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8227. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8228. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8229. for (cnt = 0; cnt < 100; cnt++) {
  8230. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8231. if (val & 1)
  8232. break;
  8233. udelay(5);
  8234. }
  8235. if (cnt == 100) {
  8236. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8237. "version(2)\n");
  8238. bnx2x_save_spirom_version(bp, port, 0,
  8239. phy->ver_addr);
  8240. return;
  8241. }
  8242. /* lower 16 bits of the register SPI_FW_STATUS */
  8243. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8244. /* upper 16 bits of register SPI_FW_STATUS */
  8245. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8246. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8247. phy->ver_addr);
  8248. }
  8249. }
  8250. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8251. struct bnx2x_phy *phy)
  8252. {
  8253. u16 val, offset;
  8254. /* PHYC_CTL_LED_CTL */
  8255. bnx2x_cl45_read(bp, phy,
  8256. MDIO_PMA_DEVAD,
  8257. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8258. val &= 0xFE00;
  8259. val |= 0x0092;
  8260. bnx2x_cl45_write(bp, phy,
  8261. MDIO_PMA_DEVAD,
  8262. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8263. bnx2x_cl45_write(bp, phy,
  8264. MDIO_PMA_DEVAD,
  8265. MDIO_PMA_REG_8481_LED1_MASK,
  8266. 0x80);
  8267. bnx2x_cl45_write(bp, phy,
  8268. MDIO_PMA_DEVAD,
  8269. MDIO_PMA_REG_8481_LED2_MASK,
  8270. 0x18);
  8271. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8272. bnx2x_cl45_write(bp, phy,
  8273. MDIO_PMA_DEVAD,
  8274. MDIO_PMA_REG_8481_LED3_MASK,
  8275. 0x0006);
  8276. /* Select the closest activity blink rate to that in 10/100/1000 */
  8277. bnx2x_cl45_write(bp, phy,
  8278. MDIO_PMA_DEVAD,
  8279. MDIO_PMA_REG_8481_LED3_BLINK,
  8280. 0);
  8281. /* Configure the blink rate to ~15.9 Hz */
  8282. bnx2x_cl45_write(bp, phy,
  8283. MDIO_PMA_DEVAD,
  8284. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8285. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8286. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8287. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8288. else
  8289. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8290. bnx2x_cl45_read(bp, phy,
  8291. MDIO_PMA_DEVAD, offset, &val);
  8292. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8293. bnx2x_cl45_write(bp, phy,
  8294. MDIO_PMA_DEVAD, offset, val);
  8295. /* 'Interrupt Mask' */
  8296. bnx2x_cl45_write(bp, phy,
  8297. MDIO_AN_DEVAD,
  8298. 0xFFFB, 0xFFFD);
  8299. }
  8300. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8301. struct link_params *params,
  8302. u32 action)
  8303. {
  8304. struct bnx2x *bp = params->bp;
  8305. switch (action) {
  8306. case PHY_INIT:
  8307. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8308. /* Save spirom version */
  8309. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8310. }
  8311. /* This phy uses the NIG latch mechanism since link indication
  8312. * arrives through its LED4 and not via its LASI signal, so we
  8313. * get steady signal instead of clear on read
  8314. */
  8315. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8316. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8317. bnx2x_848xx_set_led(bp, phy);
  8318. break;
  8319. }
  8320. }
  8321. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8322. struct link_params *params,
  8323. struct link_vars *vars)
  8324. {
  8325. struct bnx2x *bp = params->bp;
  8326. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8327. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8328. bnx2x_cl45_write(bp, phy,
  8329. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8330. /* set 1000 speed advertisement */
  8331. bnx2x_cl45_read(bp, phy,
  8332. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8333. &an_1000_val);
  8334. bnx2x_ext_phy_set_pause(params, phy, vars);
  8335. bnx2x_cl45_read(bp, phy,
  8336. MDIO_AN_DEVAD,
  8337. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8338. &an_10_100_val);
  8339. bnx2x_cl45_read(bp, phy,
  8340. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8341. &autoneg_val);
  8342. /* Disable forced speed */
  8343. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8344. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8345. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8346. (phy->speed_cap_mask &
  8347. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8348. (phy->req_line_speed == SPEED_1000)) {
  8349. an_1000_val |= (1<<8);
  8350. autoneg_val |= (1<<9 | 1<<12);
  8351. if (phy->req_duplex == DUPLEX_FULL)
  8352. an_1000_val |= (1<<9);
  8353. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8354. } else
  8355. an_1000_val &= ~((1<<8) | (1<<9));
  8356. bnx2x_cl45_write(bp, phy,
  8357. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8358. an_1000_val);
  8359. /* set 100 speed advertisement */
  8360. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8361. (phy->speed_cap_mask &
  8362. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8363. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8364. an_10_100_val |= (1<<7);
  8365. /* Enable autoneg and restart autoneg for legacy speeds */
  8366. autoneg_val |= (1<<9 | 1<<12);
  8367. if (phy->req_duplex == DUPLEX_FULL)
  8368. an_10_100_val |= (1<<8);
  8369. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8370. }
  8371. /* set 10 speed advertisement */
  8372. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8373. (phy->speed_cap_mask &
  8374. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8375. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8376. (phy->supported &
  8377. (SUPPORTED_10baseT_Half |
  8378. SUPPORTED_10baseT_Full)))) {
  8379. an_10_100_val |= (1<<5);
  8380. autoneg_val |= (1<<9 | 1<<12);
  8381. if (phy->req_duplex == DUPLEX_FULL)
  8382. an_10_100_val |= (1<<6);
  8383. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8384. }
  8385. /* Only 10/100 are allowed to work in FORCE mode */
  8386. if ((phy->req_line_speed == SPEED_100) &&
  8387. (phy->supported &
  8388. (SUPPORTED_100baseT_Half |
  8389. SUPPORTED_100baseT_Full))) {
  8390. autoneg_val |= (1<<13);
  8391. /* Enabled AUTO-MDIX when autoneg is disabled */
  8392. bnx2x_cl45_write(bp, phy,
  8393. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8394. (1<<15 | 1<<9 | 7<<0));
  8395. /* The PHY needs this set even for forced link. */
  8396. an_10_100_val |= (1<<8) | (1<<7);
  8397. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8398. }
  8399. if ((phy->req_line_speed == SPEED_10) &&
  8400. (phy->supported &
  8401. (SUPPORTED_10baseT_Half |
  8402. SUPPORTED_10baseT_Full))) {
  8403. /* Enabled AUTO-MDIX when autoneg is disabled */
  8404. bnx2x_cl45_write(bp, phy,
  8405. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8406. (1<<15 | 1<<9 | 7<<0));
  8407. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8408. }
  8409. bnx2x_cl45_write(bp, phy,
  8410. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8411. an_10_100_val);
  8412. if (phy->req_duplex == DUPLEX_FULL)
  8413. autoneg_val |= (1<<8);
  8414. /* Always write this if this is not 84833.
  8415. * For 84833, write it only when it's a forced speed.
  8416. */
  8417. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8418. ((autoneg_val & (1<<12)) == 0))
  8419. bnx2x_cl45_write(bp, phy,
  8420. MDIO_AN_DEVAD,
  8421. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8422. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8423. (phy->speed_cap_mask &
  8424. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8425. (phy->req_line_speed == SPEED_10000)) {
  8426. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8427. /* Restart autoneg for 10G*/
  8428. bnx2x_cl45_read(bp, phy,
  8429. MDIO_AN_DEVAD,
  8430. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8431. &an_10g_val);
  8432. bnx2x_cl45_write(bp, phy,
  8433. MDIO_AN_DEVAD,
  8434. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8435. an_10g_val | 0x1000);
  8436. bnx2x_cl45_write(bp, phy,
  8437. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8438. 0x3200);
  8439. } else
  8440. bnx2x_cl45_write(bp, phy,
  8441. MDIO_AN_DEVAD,
  8442. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8443. 1);
  8444. return 0;
  8445. }
  8446. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8447. struct link_params *params,
  8448. struct link_vars *vars)
  8449. {
  8450. struct bnx2x *bp = params->bp;
  8451. /* Restore normal power mode*/
  8452. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8453. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8454. /* HW reset */
  8455. bnx2x_ext_phy_hw_reset(bp, params->port);
  8456. bnx2x_wait_reset_complete(bp, phy, params);
  8457. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8458. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8459. }
  8460. #define PHY84833_CMDHDLR_WAIT 300
  8461. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8462. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8463. struct link_params *params,
  8464. u16 fw_cmd,
  8465. u16 cmd_args[], int argc)
  8466. {
  8467. int idx;
  8468. u16 val;
  8469. struct bnx2x *bp = params->bp;
  8470. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8471. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8472. MDIO_84833_CMD_HDLR_STATUS,
  8473. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8474. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8475. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8476. MDIO_84833_CMD_HDLR_STATUS, &val);
  8477. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8478. break;
  8479. usleep_range(1000, 2000);
  8480. }
  8481. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8482. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8483. return -EINVAL;
  8484. }
  8485. /* Prepare argument(s) and issue command */
  8486. for (idx = 0; idx < argc; idx++) {
  8487. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8488. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8489. cmd_args[idx]);
  8490. }
  8491. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8492. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8493. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8494. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8495. MDIO_84833_CMD_HDLR_STATUS, &val);
  8496. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8497. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8498. break;
  8499. usleep_range(1000, 2000);
  8500. }
  8501. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8502. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8503. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8504. return -EINVAL;
  8505. }
  8506. /* Gather returning data */
  8507. for (idx = 0; idx < argc; idx++) {
  8508. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8509. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8510. &cmd_args[idx]);
  8511. }
  8512. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8513. MDIO_84833_CMD_HDLR_STATUS,
  8514. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8515. return 0;
  8516. }
  8517. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8518. struct link_params *params,
  8519. struct link_vars *vars)
  8520. {
  8521. u32 pair_swap;
  8522. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8523. int status;
  8524. struct bnx2x *bp = params->bp;
  8525. /* Check for configuration. */
  8526. pair_swap = REG_RD(bp, params->shmem_base +
  8527. offsetof(struct shmem_region,
  8528. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8529. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8530. if (pair_swap == 0)
  8531. return 0;
  8532. /* Only the second argument is used for this command */
  8533. data[1] = (u16)pair_swap;
  8534. status = bnx2x_84833_cmd_hdlr(phy, params,
  8535. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8536. if (status == 0)
  8537. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8538. return status;
  8539. }
  8540. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8541. u32 shmem_base_path[],
  8542. u32 chip_id)
  8543. {
  8544. u32 reset_pin[2];
  8545. u32 idx;
  8546. u8 reset_gpios;
  8547. if (CHIP_IS_E3(bp)) {
  8548. /* Assume that these will be GPIOs, not EPIOs. */
  8549. for (idx = 0; idx < 2; idx++) {
  8550. /* Map config param to register bit. */
  8551. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8552. offsetof(struct shmem_region,
  8553. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8554. reset_pin[idx] = (reset_pin[idx] &
  8555. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8556. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8557. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8558. reset_pin[idx] = (1 << reset_pin[idx]);
  8559. }
  8560. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8561. } else {
  8562. /* E2, look from diff place of shmem. */
  8563. for (idx = 0; idx < 2; idx++) {
  8564. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8565. offsetof(struct shmem_region,
  8566. dev_info.port_hw_config[0].default_cfg));
  8567. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8568. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8569. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8570. reset_pin[idx] = (1 << reset_pin[idx]);
  8571. }
  8572. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8573. }
  8574. return reset_gpios;
  8575. }
  8576. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8577. struct link_params *params)
  8578. {
  8579. struct bnx2x *bp = params->bp;
  8580. u8 reset_gpios;
  8581. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8582. offsetof(struct shmem2_region,
  8583. other_shmem_base_addr));
  8584. u32 shmem_base_path[2];
  8585. /* Work around for 84833 LED failure inside RESET status */
  8586. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8587. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8588. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8589. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8590. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8591. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8592. shmem_base_path[0] = params->shmem_base;
  8593. shmem_base_path[1] = other_shmem_base_addr;
  8594. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8595. params->chip_id);
  8596. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8597. udelay(10);
  8598. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8599. reset_gpios);
  8600. return 0;
  8601. }
  8602. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8603. struct link_params *params,
  8604. struct link_vars *vars)
  8605. {
  8606. int rc;
  8607. struct bnx2x *bp = params->bp;
  8608. u16 cmd_args = 0;
  8609. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8610. /* Prevent Phy from working in EEE and advertising it */
  8611. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8612. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8613. if (rc) {
  8614. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8615. return rc;
  8616. }
  8617. return bnx2x_eee_disable(phy, params, vars);
  8618. }
  8619. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8620. struct link_params *params,
  8621. struct link_vars *vars)
  8622. {
  8623. int rc;
  8624. struct bnx2x *bp = params->bp;
  8625. u16 cmd_args = 1;
  8626. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8627. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8628. if (rc) {
  8629. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8630. return rc;
  8631. }
  8632. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8633. }
  8634. #define PHY84833_CONSTANT_LATENCY 1193
  8635. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8636. struct link_params *params,
  8637. struct link_vars *vars)
  8638. {
  8639. struct bnx2x *bp = params->bp;
  8640. u8 port, initialize = 1;
  8641. u16 val;
  8642. u32 actual_phy_selection, cms_enable;
  8643. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8644. int rc = 0;
  8645. usleep_range(1000, 2000);
  8646. if (!(CHIP_IS_E1x(bp)))
  8647. port = BP_PATH(bp);
  8648. else
  8649. port = params->port;
  8650. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8651. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8652. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8653. port);
  8654. } else {
  8655. /* MDIO reset */
  8656. bnx2x_cl45_write(bp, phy,
  8657. MDIO_PMA_DEVAD,
  8658. MDIO_PMA_REG_CTRL, 0x8000);
  8659. }
  8660. bnx2x_wait_reset_complete(bp, phy, params);
  8661. /* Wait for GPHY to come out of reset */
  8662. msleep(50);
  8663. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8664. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8665. * behavior.
  8666. */
  8667. u16 temp;
  8668. temp = vars->line_speed;
  8669. vars->line_speed = SPEED_10000;
  8670. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8671. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8672. vars->line_speed = temp;
  8673. }
  8674. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8675. MDIO_CTL_REG_84823_MEDIA, &val);
  8676. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8677. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8678. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8679. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8680. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8681. if (CHIP_IS_E3(bp)) {
  8682. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8683. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8684. } else {
  8685. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8686. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8687. }
  8688. actual_phy_selection = bnx2x_phy_selection(params);
  8689. switch (actual_phy_selection) {
  8690. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8691. /* Do nothing. Essentially this is like the priority copper */
  8692. break;
  8693. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8694. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8695. break;
  8696. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8697. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8698. break;
  8699. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8700. /* Do nothing here. The first PHY won't be initialized at all */
  8701. break;
  8702. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8703. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8704. initialize = 0;
  8705. break;
  8706. }
  8707. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8708. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8709. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8710. MDIO_CTL_REG_84823_MEDIA, val);
  8711. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8712. params->multi_phy_config, val);
  8713. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8714. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8715. /* Keep AutogrEEEn disabled. */
  8716. cmd_args[0] = 0x0;
  8717. cmd_args[1] = 0x0;
  8718. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8719. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8720. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8721. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8722. PHY84833_CMDHDLR_MAX_ARGS);
  8723. if (rc)
  8724. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8725. }
  8726. if (initialize)
  8727. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8728. else
  8729. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8730. /* 84833 PHY has a better feature and doesn't need to support this. */
  8731. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8732. cms_enable = REG_RD(bp, params->shmem_base +
  8733. offsetof(struct shmem_region,
  8734. dev_info.port_hw_config[params->port].default_cfg)) &
  8735. PORT_HW_CFG_ENABLE_CMS_MASK;
  8736. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8737. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8738. if (cms_enable)
  8739. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8740. else
  8741. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8742. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8743. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8744. }
  8745. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8746. MDIO_84833_TOP_CFG_FW_REV, &val);
  8747. /* Configure EEE support */
  8748. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8749. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8750. bnx2x_eee_has_cap(params)) {
  8751. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8752. if (rc) {
  8753. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8754. bnx2x_8483x_disable_eee(phy, params, vars);
  8755. return rc;
  8756. }
  8757. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8758. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8759. (bnx2x_eee_calc_timer(params) ||
  8760. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8761. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8762. else
  8763. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8764. if (rc) {
  8765. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8766. return rc;
  8767. }
  8768. } else {
  8769. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8770. }
  8771. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8772. /* Bring PHY out of super isolate mode as the final step. */
  8773. bnx2x_cl45_read(bp, phy,
  8774. MDIO_CTL_DEVAD,
  8775. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8776. val &= ~MDIO_84833_SUPER_ISOLATE;
  8777. bnx2x_cl45_write(bp, phy,
  8778. MDIO_CTL_DEVAD,
  8779. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8780. }
  8781. return rc;
  8782. }
  8783. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8784. struct link_params *params,
  8785. struct link_vars *vars)
  8786. {
  8787. struct bnx2x *bp = params->bp;
  8788. u16 val, val1, val2;
  8789. u8 link_up = 0;
  8790. /* Check 10G-BaseT link status */
  8791. /* Check PMD signal ok */
  8792. bnx2x_cl45_read(bp, phy,
  8793. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8794. bnx2x_cl45_read(bp, phy,
  8795. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8796. &val2);
  8797. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8798. /* Check link 10G */
  8799. if (val2 & (1<<11)) {
  8800. vars->line_speed = SPEED_10000;
  8801. vars->duplex = DUPLEX_FULL;
  8802. link_up = 1;
  8803. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8804. } else { /* Check Legacy speed link */
  8805. u16 legacy_status, legacy_speed;
  8806. /* Enable expansion register 0x42 (Operation mode status) */
  8807. bnx2x_cl45_write(bp, phy,
  8808. MDIO_AN_DEVAD,
  8809. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8810. /* Get legacy speed operation status */
  8811. bnx2x_cl45_read(bp, phy,
  8812. MDIO_AN_DEVAD,
  8813. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8814. &legacy_status);
  8815. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8816. legacy_status);
  8817. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8818. legacy_speed = (legacy_status & (3<<9));
  8819. if (legacy_speed == (0<<9))
  8820. vars->line_speed = SPEED_10;
  8821. else if (legacy_speed == (1<<9))
  8822. vars->line_speed = SPEED_100;
  8823. else if (legacy_speed == (2<<9))
  8824. vars->line_speed = SPEED_1000;
  8825. else { /* Should not happen: Treat as link down */
  8826. vars->line_speed = 0;
  8827. link_up = 0;
  8828. }
  8829. if (link_up) {
  8830. if (legacy_status & (1<<8))
  8831. vars->duplex = DUPLEX_FULL;
  8832. else
  8833. vars->duplex = DUPLEX_HALF;
  8834. DP(NETIF_MSG_LINK,
  8835. "Link is up in %dMbps, is_duplex_full= %d\n",
  8836. vars->line_speed,
  8837. (vars->duplex == DUPLEX_FULL));
  8838. /* Check legacy speed AN resolution */
  8839. bnx2x_cl45_read(bp, phy,
  8840. MDIO_AN_DEVAD,
  8841. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8842. &val);
  8843. if (val & (1<<5))
  8844. vars->link_status |=
  8845. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8846. bnx2x_cl45_read(bp, phy,
  8847. MDIO_AN_DEVAD,
  8848. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8849. &val);
  8850. if ((val & (1<<0)) == 0)
  8851. vars->link_status |=
  8852. LINK_STATUS_PARALLEL_DETECTION_USED;
  8853. }
  8854. }
  8855. if (link_up) {
  8856. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  8857. vars->line_speed);
  8858. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8859. /* Read LP advertised speeds */
  8860. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8861. MDIO_AN_REG_CL37_FC_LP, &val);
  8862. if (val & (1<<5))
  8863. vars->link_status |=
  8864. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8865. if (val & (1<<6))
  8866. vars->link_status |=
  8867. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8868. if (val & (1<<7))
  8869. vars->link_status |=
  8870. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8871. if (val & (1<<8))
  8872. vars->link_status |=
  8873. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8874. if (val & (1<<9))
  8875. vars->link_status |=
  8876. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8877. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8878. MDIO_AN_REG_1000T_STATUS, &val);
  8879. if (val & (1<<10))
  8880. vars->link_status |=
  8881. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8882. if (val & (1<<11))
  8883. vars->link_status |=
  8884. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8885. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8886. MDIO_AN_REG_MASTER_STATUS, &val);
  8887. if (val & (1<<11))
  8888. vars->link_status |=
  8889. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8890. /* Determine if EEE was negotiated */
  8891. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8892. bnx2x_eee_an_resolve(phy, params, vars);
  8893. }
  8894. return link_up;
  8895. }
  8896. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8897. {
  8898. int status = 0;
  8899. u32 spirom_ver;
  8900. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8901. status = bnx2x_format_ver(spirom_ver, str, len);
  8902. return status;
  8903. }
  8904. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8905. struct link_params *params)
  8906. {
  8907. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8908. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8909. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8910. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8911. }
  8912. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8913. struct link_params *params)
  8914. {
  8915. bnx2x_cl45_write(params->bp, phy,
  8916. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8917. bnx2x_cl45_write(params->bp, phy,
  8918. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8919. }
  8920. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8921. struct link_params *params)
  8922. {
  8923. struct bnx2x *bp = params->bp;
  8924. u8 port;
  8925. u16 val16;
  8926. if (!(CHIP_IS_E1x(bp)))
  8927. port = BP_PATH(bp);
  8928. else
  8929. port = params->port;
  8930. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8931. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8932. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8933. port);
  8934. } else {
  8935. bnx2x_cl45_read(bp, phy,
  8936. MDIO_CTL_DEVAD,
  8937. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8938. val16 |= MDIO_84833_SUPER_ISOLATE;
  8939. bnx2x_cl45_write(bp, phy,
  8940. MDIO_CTL_DEVAD,
  8941. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8942. }
  8943. }
  8944. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8945. struct link_params *params, u8 mode)
  8946. {
  8947. struct bnx2x *bp = params->bp;
  8948. u16 val;
  8949. u8 port;
  8950. if (!(CHIP_IS_E1x(bp)))
  8951. port = BP_PATH(bp);
  8952. else
  8953. port = params->port;
  8954. switch (mode) {
  8955. case LED_MODE_OFF:
  8956. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8957. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8958. SHARED_HW_CFG_LED_EXTPHY1) {
  8959. /* Set LED masks */
  8960. bnx2x_cl45_write(bp, phy,
  8961. MDIO_PMA_DEVAD,
  8962. MDIO_PMA_REG_8481_LED1_MASK,
  8963. 0x0);
  8964. bnx2x_cl45_write(bp, phy,
  8965. MDIO_PMA_DEVAD,
  8966. MDIO_PMA_REG_8481_LED2_MASK,
  8967. 0x0);
  8968. bnx2x_cl45_write(bp, phy,
  8969. MDIO_PMA_DEVAD,
  8970. MDIO_PMA_REG_8481_LED3_MASK,
  8971. 0x0);
  8972. bnx2x_cl45_write(bp, phy,
  8973. MDIO_PMA_DEVAD,
  8974. MDIO_PMA_REG_8481_LED5_MASK,
  8975. 0x0);
  8976. } else {
  8977. bnx2x_cl45_write(bp, phy,
  8978. MDIO_PMA_DEVAD,
  8979. MDIO_PMA_REG_8481_LED1_MASK,
  8980. 0x0);
  8981. }
  8982. break;
  8983. case LED_MODE_FRONT_PANEL_OFF:
  8984. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8985. port);
  8986. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8987. SHARED_HW_CFG_LED_EXTPHY1) {
  8988. /* Set LED masks */
  8989. bnx2x_cl45_write(bp, phy,
  8990. MDIO_PMA_DEVAD,
  8991. MDIO_PMA_REG_8481_LED1_MASK,
  8992. 0x0);
  8993. bnx2x_cl45_write(bp, phy,
  8994. MDIO_PMA_DEVAD,
  8995. MDIO_PMA_REG_8481_LED2_MASK,
  8996. 0x0);
  8997. bnx2x_cl45_write(bp, phy,
  8998. MDIO_PMA_DEVAD,
  8999. MDIO_PMA_REG_8481_LED3_MASK,
  9000. 0x0);
  9001. bnx2x_cl45_write(bp, phy,
  9002. MDIO_PMA_DEVAD,
  9003. MDIO_PMA_REG_8481_LED5_MASK,
  9004. 0x20);
  9005. } else {
  9006. bnx2x_cl45_write(bp, phy,
  9007. MDIO_PMA_DEVAD,
  9008. MDIO_PMA_REG_8481_LED1_MASK,
  9009. 0x0);
  9010. }
  9011. break;
  9012. case LED_MODE_ON:
  9013. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9014. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9015. SHARED_HW_CFG_LED_EXTPHY1) {
  9016. /* Set control reg */
  9017. bnx2x_cl45_read(bp, phy,
  9018. MDIO_PMA_DEVAD,
  9019. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9020. &val);
  9021. val &= 0x8000;
  9022. val |= 0x2492;
  9023. bnx2x_cl45_write(bp, phy,
  9024. MDIO_PMA_DEVAD,
  9025. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9026. val);
  9027. /* Set LED masks */
  9028. bnx2x_cl45_write(bp, phy,
  9029. MDIO_PMA_DEVAD,
  9030. MDIO_PMA_REG_8481_LED1_MASK,
  9031. 0x0);
  9032. bnx2x_cl45_write(bp, phy,
  9033. MDIO_PMA_DEVAD,
  9034. MDIO_PMA_REG_8481_LED2_MASK,
  9035. 0x20);
  9036. bnx2x_cl45_write(bp, phy,
  9037. MDIO_PMA_DEVAD,
  9038. MDIO_PMA_REG_8481_LED3_MASK,
  9039. 0x20);
  9040. bnx2x_cl45_write(bp, phy,
  9041. MDIO_PMA_DEVAD,
  9042. MDIO_PMA_REG_8481_LED5_MASK,
  9043. 0x0);
  9044. } else {
  9045. bnx2x_cl45_write(bp, phy,
  9046. MDIO_PMA_DEVAD,
  9047. MDIO_PMA_REG_8481_LED1_MASK,
  9048. 0x20);
  9049. }
  9050. break;
  9051. case LED_MODE_OPER:
  9052. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9053. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9054. SHARED_HW_CFG_LED_EXTPHY1) {
  9055. /* Set control reg */
  9056. bnx2x_cl45_read(bp, phy,
  9057. MDIO_PMA_DEVAD,
  9058. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9059. &val);
  9060. if (!((val &
  9061. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9062. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9063. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9064. bnx2x_cl45_write(bp, phy,
  9065. MDIO_PMA_DEVAD,
  9066. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9067. 0xa492);
  9068. }
  9069. /* Set LED masks */
  9070. bnx2x_cl45_write(bp, phy,
  9071. MDIO_PMA_DEVAD,
  9072. MDIO_PMA_REG_8481_LED1_MASK,
  9073. 0x10);
  9074. bnx2x_cl45_write(bp, phy,
  9075. MDIO_PMA_DEVAD,
  9076. MDIO_PMA_REG_8481_LED2_MASK,
  9077. 0x80);
  9078. bnx2x_cl45_write(bp, phy,
  9079. MDIO_PMA_DEVAD,
  9080. MDIO_PMA_REG_8481_LED3_MASK,
  9081. 0x98);
  9082. bnx2x_cl45_write(bp, phy,
  9083. MDIO_PMA_DEVAD,
  9084. MDIO_PMA_REG_8481_LED5_MASK,
  9085. 0x40);
  9086. } else {
  9087. bnx2x_cl45_write(bp, phy,
  9088. MDIO_PMA_DEVAD,
  9089. MDIO_PMA_REG_8481_LED1_MASK,
  9090. 0x80);
  9091. /* Tell LED3 to blink on source */
  9092. bnx2x_cl45_read(bp, phy,
  9093. MDIO_PMA_DEVAD,
  9094. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9095. &val);
  9096. val &= ~(7<<6);
  9097. val |= (1<<6); /* A83B[8:6]= 1 */
  9098. bnx2x_cl45_write(bp, phy,
  9099. MDIO_PMA_DEVAD,
  9100. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9101. val);
  9102. }
  9103. break;
  9104. }
  9105. /* This is a workaround for E3+84833 until autoneg
  9106. * restart is fixed in f/w
  9107. */
  9108. if (CHIP_IS_E3(bp)) {
  9109. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9110. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9111. }
  9112. }
  9113. /******************************************************************/
  9114. /* 54618SE PHY SECTION */
  9115. /******************************************************************/
  9116. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9117. struct link_params *params,
  9118. u32 action)
  9119. {
  9120. struct bnx2x *bp = params->bp;
  9121. u16 temp;
  9122. switch (action) {
  9123. case PHY_INIT:
  9124. /* Configure LED4: set to INTR (0x6). */
  9125. /* Accessing shadow register 0xe. */
  9126. bnx2x_cl22_write(bp, phy,
  9127. MDIO_REG_GPHY_SHADOW,
  9128. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9129. bnx2x_cl22_read(bp, phy,
  9130. MDIO_REG_GPHY_SHADOW,
  9131. &temp);
  9132. temp &= ~(0xf << 4);
  9133. temp |= (0x6 << 4);
  9134. bnx2x_cl22_write(bp, phy,
  9135. MDIO_REG_GPHY_SHADOW,
  9136. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9137. /* Configure INTR based on link status change. */
  9138. bnx2x_cl22_write(bp, phy,
  9139. MDIO_REG_INTR_MASK,
  9140. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9141. break;
  9142. }
  9143. }
  9144. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9145. struct link_params *params,
  9146. struct link_vars *vars)
  9147. {
  9148. struct bnx2x *bp = params->bp;
  9149. u8 port;
  9150. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9151. u32 cfg_pin;
  9152. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9153. usleep_range(1000, 2000);
  9154. /* This works with E3 only, no need to check the chip
  9155. * before determining the port.
  9156. */
  9157. port = params->port;
  9158. cfg_pin = (REG_RD(bp, params->shmem_base +
  9159. offsetof(struct shmem_region,
  9160. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9161. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9162. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9163. /* Drive pin high to bring the GPHY out of reset. */
  9164. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9165. /* wait for GPHY to reset */
  9166. msleep(50);
  9167. /* reset phy */
  9168. bnx2x_cl22_write(bp, phy,
  9169. MDIO_PMA_REG_CTRL, 0x8000);
  9170. bnx2x_wait_reset_complete(bp, phy, params);
  9171. /* Wait for GPHY to reset */
  9172. msleep(50);
  9173. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9174. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9175. bnx2x_cl22_write(bp, phy,
  9176. MDIO_REG_GPHY_SHADOW,
  9177. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9178. bnx2x_cl22_read(bp, phy,
  9179. MDIO_REG_GPHY_SHADOW,
  9180. &temp);
  9181. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9182. bnx2x_cl22_write(bp, phy,
  9183. MDIO_REG_GPHY_SHADOW,
  9184. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9185. /* Set up fc */
  9186. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9187. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9188. fc_val = 0;
  9189. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9190. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9191. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9192. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9193. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9194. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9195. /* Read all advertisement */
  9196. bnx2x_cl22_read(bp, phy,
  9197. 0x09,
  9198. &an_1000_val);
  9199. bnx2x_cl22_read(bp, phy,
  9200. 0x04,
  9201. &an_10_100_val);
  9202. bnx2x_cl22_read(bp, phy,
  9203. MDIO_PMA_REG_CTRL,
  9204. &autoneg_val);
  9205. /* Disable forced speed */
  9206. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9207. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9208. (1<<11));
  9209. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9210. (phy->speed_cap_mask &
  9211. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9212. (phy->req_line_speed == SPEED_1000)) {
  9213. an_1000_val |= (1<<8);
  9214. autoneg_val |= (1<<9 | 1<<12);
  9215. if (phy->req_duplex == DUPLEX_FULL)
  9216. an_1000_val |= (1<<9);
  9217. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9218. } else
  9219. an_1000_val &= ~((1<<8) | (1<<9));
  9220. bnx2x_cl22_write(bp, phy,
  9221. 0x09,
  9222. an_1000_val);
  9223. bnx2x_cl22_read(bp, phy,
  9224. 0x09,
  9225. &an_1000_val);
  9226. /* Set 100 speed advertisement */
  9227. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9228. (phy->speed_cap_mask &
  9229. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9230. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9231. an_10_100_val |= (1<<7);
  9232. /* Enable autoneg and restart autoneg for legacy speeds */
  9233. autoneg_val |= (1<<9 | 1<<12);
  9234. if (phy->req_duplex == DUPLEX_FULL)
  9235. an_10_100_val |= (1<<8);
  9236. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9237. }
  9238. /* Set 10 speed advertisement */
  9239. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9240. (phy->speed_cap_mask &
  9241. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9242. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9243. an_10_100_val |= (1<<5);
  9244. autoneg_val |= (1<<9 | 1<<12);
  9245. if (phy->req_duplex == DUPLEX_FULL)
  9246. an_10_100_val |= (1<<6);
  9247. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9248. }
  9249. /* Only 10/100 are allowed to work in FORCE mode */
  9250. if (phy->req_line_speed == SPEED_100) {
  9251. autoneg_val |= (1<<13);
  9252. /* Enabled AUTO-MDIX when autoneg is disabled */
  9253. bnx2x_cl22_write(bp, phy,
  9254. 0x18,
  9255. (1<<15 | 1<<9 | 7<<0));
  9256. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9257. }
  9258. if (phy->req_line_speed == SPEED_10) {
  9259. /* Enabled AUTO-MDIX when autoneg is disabled */
  9260. bnx2x_cl22_write(bp, phy,
  9261. 0x18,
  9262. (1<<15 | 1<<9 | 7<<0));
  9263. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9264. }
  9265. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9266. int rc;
  9267. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9268. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9269. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9270. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9271. temp &= 0xfffe;
  9272. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9273. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9274. if (rc) {
  9275. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9276. bnx2x_eee_disable(phy, params, vars);
  9277. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9278. (phy->req_duplex == DUPLEX_FULL) &&
  9279. (bnx2x_eee_calc_timer(params) ||
  9280. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9281. /* Need to advertise EEE only when requested,
  9282. * and either no LPI assertion was requested,
  9283. * or it was requested and a valid timer was set.
  9284. * Also notice full duplex is required for EEE.
  9285. */
  9286. bnx2x_eee_advertise(phy, params, vars,
  9287. SHMEM_EEE_1G_ADV);
  9288. } else {
  9289. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9290. bnx2x_eee_disable(phy, params, vars);
  9291. }
  9292. } else {
  9293. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9294. SHMEM_EEE_SUPPORTED_SHIFT;
  9295. if (phy->flags & FLAGS_EEE) {
  9296. /* Handle legacy auto-grEEEn */
  9297. if (params->feature_config_flags &
  9298. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9299. temp = 6;
  9300. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9301. } else {
  9302. temp = 0;
  9303. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9304. }
  9305. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9306. MDIO_AN_REG_EEE_ADV, temp);
  9307. }
  9308. }
  9309. bnx2x_cl22_write(bp, phy,
  9310. 0x04,
  9311. an_10_100_val | fc_val);
  9312. if (phy->req_duplex == DUPLEX_FULL)
  9313. autoneg_val |= (1<<8);
  9314. bnx2x_cl22_write(bp, phy,
  9315. MDIO_PMA_REG_CTRL, autoneg_val);
  9316. return 0;
  9317. }
  9318. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9319. struct link_params *params, u8 mode)
  9320. {
  9321. struct bnx2x *bp = params->bp;
  9322. u16 temp;
  9323. bnx2x_cl22_write(bp, phy,
  9324. MDIO_REG_GPHY_SHADOW,
  9325. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9326. bnx2x_cl22_read(bp, phy,
  9327. MDIO_REG_GPHY_SHADOW,
  9328. &temp);
  9329. temp &= 0xff00;
  9330. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9331. switch (mode) {
  9332. case LED_MODE_FRONT_PANEL_OFF:
  9333. case LED_MODE_OFF:
  9334. temp |= 0x00ee;
  9335. break;
  9336. case LED_MODE_OPER:
  9337. temp |= 0x0001;
  9338. break;
  9339. case LED_MODE_ON:
  9340. temp |= 0x00ff;
  9341. break;
  9342. default:
  9343. break;
  9344. }
  9345. bnx2x_cl22_write(bp, phy,
  9346. MDIO_REG_GPHY_SHADOW,
  9347. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9348. return;
  9349. }
  9350. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9351. struct link_params *params)
  9352. {
  9353. struct bnx2x *bp = params->bp;
  9354. u32 cfg_pin;
  9355. u8 port;
  9356. /* In case of no EPIO routed to reset the GPHY, put it
  9357. * in low power mode.
  9358. */
  9359. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9360. /* This works with E3 only, no need to check the chip
  9361. * before determining the port.
  9362. */
  9363. port = params->port;
  9364. cfg_pin = (REG_RD(bp, params->shmem_base +
  9365. offsetof(struct shmem_region,
  9366. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9367. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9368. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9369. /* Drive pin low to put GPHY in reset. */
  9370. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9371. }
  9372. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9373. struct link_params *params,
  9374. struct link_vars *vars)
  9375. {
  9376. struct bnx2x *bp = params->bp;
  9377. u16 val;
  9378. u8 link_up = 0;
  9379. u16 legacy_status, legacy_speed;
  9380. /* Get speed operation status */
  9381. bnx2x_cl22_read(bp, phy,
  9382. MDIO_REG_GPHY_AUX_STATUS,
  9383. &legacy_status);
  9384. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9385. /* Read status to clear the PHY interrupt. */
  9386. bnx2x_cl22_read(bp, phy,
  9387. MDIO_REG_INTR_STATUS,
  9388. &val);
  9389. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9390. if (link_up) {
  9391. legacy_speed = (legacy_status & (7<<8));
  9392. if (legacy_speed == (7<<8)) {
  9393. vars->line_speed = SPEED_1000;
  9394. vars->duplex = DUPLEX_FULL;
  9395. } else if (legacy_speed == (6<<8)) {
  9396. vars->line_speed = SPEED_1000;
  9397. vars->duplex = DUPLEX_HALF;
  9398. } else if (legacy_speed == (5<<8)) {
  9399. vars->line_speed = SPEED_100;
  9400. vars->duplex = DUPLEX_FULL;
  9401. }
  9402. /* Omitting 100Base-T4 for now */
  9403. else if (legacy_speed == (3<<8)) {
  9404. vars->line_speed = SPEED_100;
  9405. vars->duplex = DUPLEX_HALF;
  9406. } else if (legacy_speed == (2<<8)) {
  9407. vars->line_speed = SPEED_10;
  9408. vars->duplex = DUPLEX_FULL;
  9409. } else if (legacy_speed == (1<<8)) {
  9410. vars->line_speed = SPEED_10;
  9411. vars->duplex = DUPLEX_HALF;
  9412. } else /* Should not happen */
  9413. vars->line_speed = 0;
  9414. DP(NETIF_MSG_LINK,
  9415. "Link is up in %dMbps, is_duplex_full= %d\n",
  9416. vars->line_speed,
  9417. (vars->duplex == DUPLEX_FULL));
  9418. /* Check legacy speed AN resolution */
  9419. bnx2x_cl22_read(bp, phy,
  9420. 0x01,
  9421. &val);
  9422. if (val & (1<<5))
  9423. vars->link_status |=
  9424. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9425. bnx2x_cl22_read(bp, phy,
  9426. 0x06,
  9427. &val);
  9428. if ((val & (1<<0)) == 0)
  9429. vars->link_status |=
  9430. LINK_STATUS_PARALLEL_DETECTION_USED;
  9431. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9432. vars->line_speed);
  9433. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9434. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9435. /* Report LP advertised speeds */
  9436. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9437. if (val & (1<<5))
  9438. vars->link_status |=
  9439. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9440. if (val & (1<<6))
  9441. vars->link_status |=
  9442. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9443. if (val & (1<<7))
  9444. vars->link_status |=
  9445. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9446. if (val & (1<<8))
  9447. vars->link_status |=
  9448. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9449. if (val & (1<<9))
  9450. vars->link_status |=
  9451. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9452. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9453. if (val & (1<<10))
  9454. vars->link_status |=
  9455. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9456. if (val & (1<<11))
  9457. vars->link_status |=
  9458. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9459. if ((phy->flags & FLAGS_EEE) &&
  9460. bnx2x_eee_has_cap(params))
  9461. bnx2x_eee_an_resolve(phy, params, vars);
  9462. }
  9463. }
  9464. return link_up;
  9465. }
  9466. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9467. struct link_params *params)
  9468. {
  9469. struct bnx2x *bp = params->bp;
  9470. u16 val;
  9471. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9472. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9473. /* Enable master/slave manual mmode and set to master */
  9474. /* mii write 9 [bits set 11 12] */
  9475. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9476. /* forced 1G and disable autoneg */
  9477. /* set val [mii read 0] */
  9478. /* set val [expr $val & [bits clear 6 12 13]] */
  9479. /* set val [expr $val | [bits set 6 8]] */
  9480. /* mii write 0 $val */
  9481. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9482. val &= ~((1<<6) | (1<<12) | (1<<13));
  9483. val |= (1<<6) | (1<<8);
  9484. bnx2x_cl22_write(bp, phy, 0x00, val);
  9485. /* Set external loopback and Tx using 6dB coding */
  9486. /* mii write 0x18 7 */
  9487. /* set val [mii read 0x18] */
  9488. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9489. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9490. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9491. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9492. /* This register opens the gate for the UMAC despite its name */
  9493. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9494. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9495. * length used by the MAC receive logic to check frames.
  9496. */
  9497. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9498. }
  9499. /******************************************************************/
  9500. /* SFX7101 PHY SECTION */
  9501. /******************************************************************/
  9502. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9503. struct link_params *params)
  9504. {
  9505. struct bnx2x *bp = params->bp;
  9506. /* SFX7101_XGXS_TEST1 */
  9507. bnx2x_cl45_write(bp, phy,
  9508. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9509. }
  9510. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9511. struct link_params *params,
  9512. struct link_vars *vars)
  9513. {
  9514. u16 fw_ver1, fw_ver2, val;
  9515. struct bnx2x *bp = params->bp;
  9516. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9517. /* Restore normal power mode*/
  9518. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9519. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9520. /* HW reset */
  9521. bnx2x_ext_phy_hw_reset(bp, params->port);
  9522. bnx2x_wait_reset_complete(bp, phy, params);
  9523. bnx2x_cl45_write(bp, phy,
  9524. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9525. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9526. bnx2x_cl45_write(bp, phy,
  9527. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9528. bnx2x_ext_phy_set_pause(params, phy, vars);
  9529. /* Restart autoneg */
  9530. bnx2x_cl45_read(bp, phy,
  9531. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9532. val |= 0x200;
  9533. bnx2x_cl45_write(bp, phy,
  9534. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9535. /* Save spirom version */
  9536. bnx2x_cl45_read(bp, phy,
  9537. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9538. bnx2x_cl45_read(bp, phy,
  9539. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9540. bnx2x_save_spirom_version(bp, params->port,
  9541. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9542. return 0;
  9543. }
  9544. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9545. struct link_params *params,
  9546. struct link_vars *vars)
  9547. {
  9548. struct bnx2x *bp = params->bp;
  9549. u8 link_up;
  9550. u16 val1, val2;
  9551. bnx2x_cl45_read(bp, phy,
  9552. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9553. bnx2x_cl45_read(bp, phy,
  9554. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9555. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9556. val2, val1);
  9557. bnx2x_cl45_read(bp, phy,
  9558. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9559. bnx2x_cl45_read(bp, phy,
  9560. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9561. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9562. val2, val1);
  9563. link_up = ((val1 & 4) == 4);
  9564. /* If link is up print the AN outcome of the SFX7101 PHY */
  9565. if (link_up) {
  9566. bnx2x_cl45_read(bp, phy,
  9567. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9568. &val2);
  9569. vars->line_speed = SPEED_10000;
  9570. vars->duplex = DUPLEX_FULL;
  9571. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9572. val2, (val2 & (1<<14)));
  9573. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9574. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9575. /* Read LP advertised speeds */
  9576. if (val2 & (1<<11))
  9577. vars->link_status |=
  9578. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9579. }
  9580. return link_up;
  9581. }
  9582. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9583. {
  9584. if (*len < 5)
  9585. return -EINVAL;
  9586. str[0] = (spirom_ver & 0xFF);
  9587. str[1] = (spirom_ver & 0xFF00) >> 8;
  9588. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9589. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9590. str[4] = '\0';
  9591. *len -= 5;
  9592. return 0;
  9593. }
  9594. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9595. {
  9596. u16 val, cnt;
  9597. bnx2x_cl45_read(bp, phy,
  9598. MDIO_PMA_DEVAD,
  9599. MDIO_PMA_REG_7101_RESET, &val);
  9600. for (cnt = 0; cnt < 10; cnt++) {
  9601. msleep(50);
  9602. /* Writes a self-clearing reset */
  9603. bnx2x_cl45_write(bp, phy,
  9604. MDIO_PMA_DEVAD,
  9605. MDIO_PMA_REG_7101_RESET,
  9606. (val | (1<<15)));
  9607. /* Wait for clear */
  9608. bnx2x_cl45_read(bp, phy,
  9609. MDIO_PMA_DEVAD,
  9610. MDIO_PMA_REG_7101_RESET, &val);
  9611. if ((val & (1<<15)) == 0)
  9612. break;
  9613. }
  9614. }
  9615. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9616. struct link_params *params) {
  9617. /* Low power mode is controlled by GPIO 2 */
  9618. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9619. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9620. /* The PHY reset is controlled by GPIO 1 */
  9621. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9622. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9623. }
  9624. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9625. struct link_params *params, u8 mode)
  9626. {
  9627. u16 val = 0;
  9628. struct bnx2x *bp = params->bp;
  9629. switch (mode) {
  9630. case LED_MODE_FRONT_PANEL_OFF:
  9631. case LED_MODE_OFF:
  9632. val = 2;
  9633. break;
  9634. case LED_MODE_ON:
  9635. val = 1;
  9636. break;
  9637. case LED_MODE_OPER:
  9638. val = 0;
  9639. break;
  9640. }
  9641. bnx2x_cl45_write(bp, phy,
  9642. MDIO_PMA_DEVAD,
  9643. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9644. val);
  9645. }
  9646. /******************************************************************/
  9647. /* STATIC PHY DECLARATION */
  9648. /******************************************************************/
  9649. static struct bnx2x_phy phy_null = {
  9650. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9651. .addr = 0,
  9652. .def_md_devad = 0,
  9653. .flags = FLAGS_INIT_XGXS_FIRST,
  9654. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9655. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9656. .mdio_ctrl = 0,
  9657. .supported = 0,
  9658. .media_type = ETH_PHY_NOT_PRESENT,
  9659. .ver_addr = 0,
  9660. .req_flow_ctrl = 0,
  9661. .req_line_speed = 0,
  9662. .speed_cap_mask = 0,
  9663. .req_duplex = 0,
  9664. .rsrv = 0,
  9665. .config_init = (config_init_t)NULL,
  9666. .read_status = (read_status_t)NULL,
  9667. .link_reset = (link_reset_t)NULL,
  9668. .config_loopback = (config_loopback_t)NULL,
  9669. .format_fw_ver = (format_fw_ver_t)NULL,
  9670. .hw_reset = (hw_reset_t)NULL,
  9671. .set_link_led = (set_link_led_t)NULL,
  9672. .phy_specific_func = (phy_specific_func_t)NULL
  9673. };
  9674. static struct bnx2x_phy phy_serdes = {
  9675. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9676. .addr = 0xff,
  9677. .def_md_devad = 0,
  9678. .flags = 0,
  9679. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9680. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9681. .mdio_ctrl = 0,
  9682. .supported = (SUPPORTED_10baseT_Half |
  9683. SUPPORTED_10baseT_Full |
  9684. SUPPORTED_100baseT_Half |
  9685. SUPPORTED_100baseT_Full |
  9686. SUPPORTED_1000baseT_Full |
  9687. SUPPORTED_2500baseX_Full |
  9688. SUPPORTED_TP |
  9689. SUPPORTED_Autoneg |
  9690. SUPPORTED_Pause |
  9691. SUPPORTED_Asym_Pause),
  9692. .media_type = ETH_PHY_BASE_T,
  9693. .ver_addr = 0,
  9694. .req_flow_ctrl = 0,
  9695. .req_line_speed = 0,
  9696. .speed_cap_mask = 0,
  9697. .req_duplex = 0,
  9698. .rsrv = 0,
  9699. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9700. .read_status = (read_status_t)bnx2x_link_settings_status,
  9701. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9702. .config_loopback = (config_loopback_t)NULL,
  9703. .format_fw_ver = (format_fw_ver_t)NULL,
  9704. .hw_reset = (hw_reset_t)NULL,
  9705. .set_link_led = (set_link_led_t)NULL,
  9706. .phy_specific_func = (phy_specific_func_t)NULL
  9707. };
  9708. static struct bnx2x_phy phy_xgxs = {
  9709. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9710. .addr = 0xff,
  9711. .def_md_devad = 0,
  9712. .flags = 0,
  9713. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9714. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9715. .mdio_ctrl = 0,
  9716. .supported = (SUPPORTED_10baseT_Half |
  9717. SUPPORTED_10baseT_Full |
  9718. SUPPORTED_100baseT_Half |
  9719. SUPPORTED_100baseT_Full |
  9720. SUPPORTED_1000baseT_Full |
  9721. SUPPORTED_2500baseX_Full |
  9722. SUPPORTED_10000baseT_Full |
  9723. SUPPORTED_FIBRE |
  9724. SUPPORTED_Autoneg |
  9725. SUPPORTED_Pause |
  9726. SUPPORTED_Asym_Pause),
  9727. .media_type = ETH_PHY_CX4,
  9728. .ver_addr = 0,
  9729. .req_flow_ctrl = 0,
  9730. .req_line_speed = 0,
  9731. .speed_cap_mask = 0,
  9732. .req_duplex = 0,
  9733. .rsrv = 0,
  9734. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9735. .read_status = (read_status_t)bnx2x_link_settings_status,
  9736. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9737. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9738. .format_fw_ver = (format_fw_ver_t)NULL,
  9739. .hw_reset = (hw_reset_t)NULL,
  9740. .set_link_led = (set_link_led_t)NULL,
  9741. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9742. };
  9743. static struct bnx2x_phy phy_warpcore = {
  9744. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9745. .addr = 0xff,
  9746. .def_md_devad = 0,
  9747. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9748. FLAGS_TX_ERROR_CHECK),
  9749. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9750. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9751. .mdio_ctrl = 0,
  9752. .supported = (SUPPORTED_10baseT_Half |
  9753. SUPPORTED_10baseT_Full |
  9754. SUPPORTED_100baseT_Half |
  9755. SUPPORTED_100baseT_Full |
  9756. SUPPORTED_1000baseT_Full |
  9757. SUPPORTED_10000baseT_Full |
  9758. SUPPORTED_20000baseKR2_Full |
  9759. SUPPORTED_20000baseMLD2_Full |
  9760. SUPPORTED_FIBRE |
  9761. SUPPORTED_Autoneg |
  9762. SUPPORTED_Pause |
  9763. SUPPORTED_Asym_Pause),
  9764. .media_type = ETH_PHY_UNSPECIFIED,
  9765. .ver_addr = 0,
  9766. .req_flow_ctrl = 0,
  9767. .req_line_speed = 0,
  9768. .speed_cap_mask = 0,
  9769. /* req_duplex = */0,
  9770. /* rsrv = */0,
  9771. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9772. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9773. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9774. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9775. .format_fw_ver = (format_fw_ver_t)NULL,
  9776. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9777. .set_link_led = (set_link_led_t)NULL,
  9778. .phy_specific_func = (phy_specific_func_t)NULL
  9779. };
  9780. static struct bnx2x_phy phy_7101 = {
  9781. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9782. .addr = 0xff,
  9783. .def_md_devad = 0,
  9784. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9785. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9786. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9787. .mdio_ctrl = 0,
  9788. .supported = (SUPPORTED_10000baseT_Full |
  9789. SUPPORTED_TP |
  9790. SUPPORTED_Autoneg |
  9791. SUPPORTED_Pause |
  9792. SUPPORTED_Asym_Pause),
  9793. .media_type = ETH_PHY_BASE_T,
  9794. .ver_addr = 0,
  9795. .req_flow_ctrl = 0,
  9796. .req_line_speed = 0,
  9797. .speed_cap_mask = 0,
  9798. .req_duplex = 0,
  9799. .rsrv = 0,
  9800. .config_init = (config_init_t)bnx2x_7101_config_init,
  9801. .read_status = (read_status_t)bnx2x_7101_read_status,
  9802. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9803. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9804. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9805. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9806. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9807. .phy_specific_func = (phy_specific_func_t)NULL
  9808. };
  9809. static struct bnx2x_phy phy_8073 = {
  9810. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9811. .addr = 0xff,
  9812. .def_md_devad = 0,
  9813. .flags = FLAGS_HW_LOCK_REQUIRED,
  9814. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9815. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9816. .mdio_ctrl = 0,
  9817. .supported = (SUPPORTED_10000baseT_Full |
  9818. SUPPORTED_2500baseX_Full |
  9819. SUPPORTED_1000baseT_Full |
  9820. SUPPORTED_FIBRE |
  9821. SUPPORTED_Autoneg |
  9822. SUPPORTED_Pause |
  9823. SUPPORTED_Asym_Pause),
  9824. .media_type = ETH_PHY_KR,
  9825. .ver_addr = 0,
  9826. .req_flow_ctrl = 0,
  9827. .req_line_speed = 0,
  9828. .speed_cap_mask = 0,
  9829. .req_duplex = 0,
  9830. .rsrv = 0,
  9831. .config_init = (config_init_t)bnx2x_8073_config_init,
  9832. .read_status = (read_status_t)bnx2x_8073_read_status,
  9833. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9834. .config_loopback = (config_loopback_t)NULL,
  9835. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9836. .hw_reset = (hw_reset_t)NULL,
  9837. .set_link_led = (set_link_led_t)NULL,
  9838. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  9839. };
  9840. static struct bnx2x_phy phy_8705 = {
  9841. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9842. .addr = 0xff,
  9843. .def_md_devad = 0,
  9844. .flags = FLAGS_INIT_XGXS_FIRST,
  9845. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9846. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9847. .mdio_ctrl = 0,
  9848. .supported = (SUPPORTED_10000baseT_Full |
  9849. SUPPORTED_FIBRE |
  9850. SUPPORTED_Pause |
  9851. SUPPORTED_Asym_Pause),
  9852. .media_type = ETH_PHY_XFP_FIBER,
  9853. .ver_addr = 0,
  9854. .req_flow_ctrl = 0,
  9855. .req_line_speed = 0,
  9856. .speed_cap_mask = 0,
  9857. .req_duplex = 0,
  9858. .rsrv = 0,
  9859. .config_init = (config_init_t)bnx2x_8705_config_init,
  9860. .read_status = (read_status_t)bnx2x_8705_read_status,
  9861. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9862. .config_loopback = (config_loopback_t)NULL,
  9863. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9864. .hw_reset = (hw_reset_t)NULL,
  9865. .set_link_led = (set_link_led_t)NULL,
  9866. .phy_specific_func = (phy_specific_func_t)NULL
  9867. };
  9868. static struct bnx2x_phy phy_8706 = {
  9869. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9870. .addr = 0xff,
  9871. .def_md_devad = 0,
  9872. .flags = FLAGS_INIT_XGXS_FIRST,
  9873. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9874. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9875. .mdio_ctrl = 0,
  9876. .supported = (SUPPORTED_10000baseT_Full |
  9877. SUPPORTED_1000baseT_Full |
  9878. SUPPORTED_FIBRE |
  9879. SUPPORTED_Pause |
  9880. SUPPORTED_Asym_Pause),
  9881. .media_type = ETH_PHY_SFPP_10G_FIBER,
  9882. .ver_addr = 0,
  9883. .req_flow_ctrl = 0,
  9884. .req_line_speed = 0,
  9885. .speed_cap_mask = 0,
  9886. .req_duplex = 0,
  9887. .rsrv = 0,
  9888. .config_init = (config_init_t)bnx2x_8706_config_init,
  9889. .read_status = (read_status_t)bnx2x_8706_read_status,
  9890. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9891. .config_loopback = (config_loopback_t)NULL,
  9892. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9893. .hw_reset = (hw_reset_t)NULL,
  9894. .set_link_led = (set_link_led_t)NULL,
  9895. .phy_specific_func = (phy_specific_func_t)NULL
  9896. };
  9897. static struct bnx2x_phy phy_8726 = {
  9898. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9899. .addr = 0xff,
  9900. .def_md_devad = 0,
  9901. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9902. FLAGS_INIT_XGXS_FIRST |
  9903. FLAGS_TX_ERROR_CHECK),
  9904. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9905. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9906. .mdio_ctrl = 0,
  9907. .supported = (SUPPORTED_10000baseT_Full |
  9908. SUPPORTED_1000baseT_Full |
  9909. SUPPORTED_Autoneg |
  9910. SUPPORTED_FIBRE |
  9911. SUPPORTED_Pause |
  9912. SUPPORTED_Asym_Pause),
  9913. .media_type = ETH_PHY_NOT_PRESENT,
  9914. .ver_addr = 0,
  9915. .req_flow_ctrl = 0,
  9916. .req_line_speed = 0,
  9917. .speed_cap_mask = 0,
  9918. .req_duplex = 0,
  9919. .rsrv = 0,
  9920. .config_init = (config_init_t)bnx2x_8726_config_init,
  9921. .read_status = (read_status_t)bnx2x_8726_read_status,
  9922. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9923. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9924. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9925. .hw_reset = (hw_reset_t)NULL,
  9926. .set_link_led = (set_link_led_t)NULL,
  9927. .phy_specific_func = (phy_specific_func_t)NULL
  9928. };
  9929. static struct bnx2x_phy phy_8727 = {
  9930. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9931. .addr = 0xff,
  9932. .def_md_devad = 0,
  9933. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9934. FLAGS_TX_ERROR_CHECK),
  9935. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9936. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9937. .mdio_ctrl = 0,
  9938. .supported = (SUPPORTED_10000baseT_Full |
  9939. SUPPORTED_1000baseT_Full |
  9940. SUPPORTED_FIBRE |
  9941. SUPPORTED_Pause |
  9942. SUPPORTED_Asym_Pause),
  9943. .media_type = ETH_PHY_NOT_PRESENT,
  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_8727_config_init,
  9951. .read_status = (read_status_t)bnx2x_8727_read_status,
  9952. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9953. .config_loopback = (config_loopback_t)NULL,
  9954. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9955. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9956. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9957. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9958. };
  9959. static struct bnx2x_phy phy_8481 = {
  9960. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9961. .addr = 0xff,
  9962. .def_md_devad = 0,
  9963. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9964. FLAGS_REARM_LATCH_SIGNAL,
  9965. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9966. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9967. .mdio_ctrl = 0,
  9968. .supported = (SUPPORTED_10baseT_Half |
  9969. SUPPORTED_10baseT_Full |
  9970. SUPPORTED_100baseT_Half |
  9971. SUPPORTED_100baseT_Full |
  9972. SUPPORTED_1000baseT_Full |
  9973. SUPPORTED_10000baseT_Full |
  9974. SUPPORTED_TP |
  9975. SUPPORTED_Autoneg |
  9976. SUPPORTED_Pause |
  9977. SUPPORTED_Asym_Pause),
  9978. .media_type = ETH_PHY_BASE_T,
  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_8481_config_init,
  9986. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9987. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9988. .config_loopback = (config_loopback_t)NULL,
  9989. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9990. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9991. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9992. .phy_specific_func = (phy_specific_func_t)NULL
  9993. };
  9994. static struct bnx2x_phy phy_84823 = {
  9995. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9996. .addr = 0xff,
  9997. .def_md_devad = 0,
  9998. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9999. FLAGS_REARM_LATCH_SIGNAL |
  10000. FLAGS_TX_ERROR_CHECK),
  10001. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10002. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10003. .mdio_ctrl = 0,
  10004. .supported = (SUPPORTED_10baseT_Half |
  10005. SUPPORTED_10baseT_Full |
  10006. SUPPORTED_100baseT_Half |
  10007. SUPPORTED_100baseT_Full |
  10008. SUPPORTED_1000baseT_Full |
  10009. SUPPORTED_10000baseT_Full |
  10010. SUPPORTED_TP |
  10011. SUPPORTED_Autoneg |
  10012. SUPPORTED_Pause |
  10013. SUPPORTED_Asym_Pause),
  10014. .media_type = ETH_PHY_BASE_T,
  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_848x3_config_init,
  10022. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10023. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10024. .config_loopback = (config_loopback_t)NULL,
  10025. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10026. .hw_reset = (hw_reset_t)NULL,
  10027. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10028. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10029. };
  10030. static struct bnx2x_phy phy_84833 = {
  10031. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10032. .addr = 0xff,
  10033. .def_md_devad = 0,
  10034. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10035. FLAGS_REARM_LATCH_SIGNAL |
  10036. FLAGS_TX_ERROR_CHECK),
  10037. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10038. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10039. .mdio_ctrl = 0,
  10040. .supported = (SUPPORTED_100baseT_Half |
  10041. SUPPORTED_100baseT_Full |
  10042. SUPPORTED_1000baseT_Full |
  10043. SUPPORTED_10000baseT_Full |
  10044. SUPPORTED_TP |
  10045. SUPPORTED_Autoneg |
  10046. SUPPORTED_Pause |
  10047. SUPPORTED_Asym_Pause),
  10048. .media_type = ETH_PHY_BASE_T,
  10049. .ver_addr = 0,
  10050. .req_flow_ctrl = 0,
  10051. .req_line_speed = 0,
  10052. .speed_cap_mask = 0,
  10053. .req_duplex = 0,
  10054. .rsrv = 0,
  10055. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10056. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10057. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10058. .config_loopback = (config_loopback_t)NULL,
  10059. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10060. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10061. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10062. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10063. };
  10064. static struct bnx2x_phy phy_54618se = {
  10065. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10066. .addr = 0xff,
  10067. .def_md_devad = 0,
  10068. .flags = FLAGS_INIT_XGXS_FIRST,
  10069. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10070. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10071. .mdio_ctrl = 0,
  10072. .supported = (SUPPORTED_10baseT_Half |
  10073. SUPPORTED_10baseT_Full |
  10074. SUPPORTED_100baseT_Half |
  10075. SUPPORTED_100baseT_Full |
  10076. SUPPORTED_1000baseT_Full |
  10077. SUPPORTED_TP |
  10078. SUPPORTED_Autoneg |
  10079. SUPPORTED_Pause |
  10080. SUPPORTED_Asym_Pause),
  10081. .media_type = ETH_PHY_BASE_T,
  10082. .ver_addr = 0,
  10083. .req_flow_ctrl = 0,
  10084. .req_line_speed = 0,
  10085. .speed_cap_mask = 0,
  10086. /* req_duplex = */0,
  10087. /* rsrv = */0,
  10088. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10089. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10090. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10091. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10092. .format_fw_ver = (format_fw_ver_t)NULL,
  10093. .hw_reset = (hw_reset_t)NULL,
  10094. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10095. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10096. };
  10097. /*****************************************************************/
  10098. /* */
  10099. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10100. /* */
  10101. /*****************************************************************/
  10102. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10103. struct bnx2x_phy *phy, u8 port,
  10104. u8 phy_index)
  10105. {
  10106. /* Get the 4 lanes xgxs config rx and tx */
  10107. u32 rx = 0, tx = 0, i;
  10108. for (i = 0; i < 2; i++) {
  10109. /* INT_PHY and EXT_PHY1 share the same value location in
  10110. * the shmem. When num_phys is greater than 1, than this value
  10111. * applies only to EXT_PHY1
  10112. */
  10113. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10114. rx = REG_RD(bp, shmem_base +
  10115. offsetof(struct shmem_region,
  10116. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10117. tx = REG_RD(bp, shmem_base +
  10118. offsetof(struct shmem_region,
  10119. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10120. } else {
  10121. rx = REG_RD(bp, shmem_base +
  10122. offsetof(struct shmem_region,
  10123. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10124. tx = REG_RD(bp, shmem_base +
  10125. offsetof(struct shmem_region,
  10126. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10127. }
  10128. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10129. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10130. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10131. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10132. }
  10133. }
  10134. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10135. u8 phy_index, u8 port)
  10136. {
  10137. u32 ext_phy_config = 0;
  10138. switch (phy_index) {
  10139. case EXT_PHY1:
  10140. ext_phy_config = REG_RD(bp, shmem_base +
  10141. offsetof(struct shmem_region,
  10142. dev_info.port_hw_config[port].external_phy_config));
  10143. break;
  10144. case EXT_PHY2:
  10145. ext_phy_config = REG_RD(bp, shmem_base +
  10146. offsetof(struct shmem_region,
  10147. dev_info.port_hw_config[port].external_phy_config2));
  10148. break;
  10149. default:
  10150. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10151. return -EINVAL;
  10152. }
  10153. return ext_phy_config;
  10154. }
  10155. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10156. struct bnx2x_phy *phy)
  10157. {
  10158. u32 phy_addr;
  10159. u32 chip_id;
  10160. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10161. offsetof(struct shmem_region,
  10162. dev_info.port_feature_config[port].link_config)) &
  10163. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10164. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10165. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10166. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10167. if (USES_WARPCORE(bp)) {
  10168. u32 serdes_net_if;
  10169. phy_addr = REG_RD(bp,
  10170. MISC_REG_WC0_CTRL_PHY_ADDR);
  10171. *phy = phy_warpcore;
  10172. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10173. phy->flags |= FLAGS_4_PORT_MODE;
  10174. else
  10175. phy->flags &= ~FLAGS_4_PORT_MODE;
  10176. /* Check Dual mode */
  10177. serdes_net_if = (REG_RD(bp, shmem_base +
  10178. offsetof(struct shmem_region, dev_info.
  10179. port_hw_config[port].default_cfg)) &
  10180. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10181. /* Set the appropriate supported and flags indications per
  10182. * interface type of the chip
  10183. */
  10184. switch (serdes_net_if) {
  10185. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10186. phy->supported &= (SUPPORTED_10baseT_Half |
  10187. SUPPORTED_10baseT_Full |
  10188. SUPPORTED_100baseT_Half |
  10189. SUPPORTED_100baseT_Full |
  10190. SUPPORTED_1000baseT_Full |
  10191. SUPPORTED_FIBRE |
  10192. SUPPORTED_Autoneg |
  10193. SUPPORTED_Pause |
  10194. SUPPORTED_Asym_Pause);
  10195. phy->media_type = ETH_PHY_BASE_T;
  10196. break;
  10197. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10198. phy->media_type = ETH_PHY_XFP_FIBER;
  10199. break;
  10200. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10201. phy->supported &= (SUPPORTED_1000baseT_Full |
  10202. SUPPORTED_10000baseT_Full |
  10203. SUPPORTED_FIBRE |
  10204. SUPPORTED_Pause |
  10205. SUPPORTED_Asym_Pause);
  10206. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10207. break;
  10208. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10209. phy->media_type = ETH_PHY_KR;
  10210. phy->supported &= (SUPPORTED_1000baseT_Full |
  10211. SUPPORTED_10000baseT_Full |
  10212. SUPPORTED_FIBRE |
  10213. SUPPORTED_Autoneg |
  10214. SUPPORTED_Pause |
  10215. SUPPORTED_Asym_Pause);
  10216. break;
  10217. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10218. phy->media_type = ETH_PHY_KR;
  10219. phy->flags |= FLAGS_WC_DUAL_MODE;
  10220. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10221. SUPPORTED_FIBRE |
  10222. SUPPORTED_Pause |
  10223. SUPPORTED_Asym_Pause);
  10224. break;
  10225. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10226. phy->media_type = ETH_PHY_KR;
  10227. phy->flags |= FLAGS_WC_DUAL_MODE;
  10228. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10229. SUPPORTED_FIBRE |
  10230. SUPPORTED_Pause |
  10231. SUPPORTED_Asym_Pause);
  10232. break;
  10233. default:
  10234. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10235. serdes_net_if);
  10236. break;
  10237. }
  10238. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10239. * was not set as expected. For B0, ECO will be enabled so there
  10240. * won't be an issue there
  10241. */
  10242. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10243. phy->flags |= FLAGS_MDC_MDIO_WA;
  10244. else
  10245. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10246. } else {
  10247. switch (switch_cfg) {
  10248. case SWITCH_CFG_1G:
  10249. phy_addr = REG_RD(bp,
  10250. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10251. port * 0x10);
  10252. *phy = phy_serdes;
  10253. break;
  10254. case SWITCH_CFG_10G:
  10255. phy_addr = REG_RD(bp,
  10256. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10257. port * 0x18);
  10258. *phy = phy_xgxs;
  10259. break;
  10260. default:
  10261. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10262. return -EINVAL;
  10263. }
  10264. }
  10265. phy->addr = (u8)phy_addr;
  10266. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10267. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10268. port);
  10269. if (CHIP_IS_E2(bp))
  10270. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10271. else
  10272. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10273. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10274. port, phy->addr, phy->mdio_ctrl);
  10275. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10276. return 0;
  10277. }
  10278. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10279. u8 phy_index,
  10280. u32 shmem_base,
  10281. u32 shmem2_base,
  10282. u8 port,
  10283. struct bnx2x_phy *phy)
  10284. {
  10285. u32 ext_phy_config, phy_type, config2;
  10286. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10287. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10288. phy_index, port);
  10289. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10290. /* Select the phy type */
  10291. switch (phy_type) {
  10292. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10293. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10294. *phy = phy_8073;
  10295. break;
  10296. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10297. *phy = phy_8705;
  10298. break;
  10299. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10300. *phy = phy_8706;
  10301. break;
  10302. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10303. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10304. *phy = phy_8726;
  10305. break;
  10306. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10307. /* BCM8727_NOC => BCM8727 no over current */
  10308. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10309. *phy = phy_8727;
  10310. phy->flags |= FLAGS_NOC;
  10311. break;
  10312. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10313. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10314. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10315. *phy = phy_8727;
  10316. break;
  10317. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10318. *phy = phy_8481;
  10319. break;
  10320. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10321. *phy = phy_84823;
  10322. break;
  10323. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10324. *phy = phy_84833;
  10325. break;
  10326. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10327. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10328. *phy = phy_54618se;
  10329. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10330. phy->flags |= FLAGS_EEE;
  10331. break;
  10332. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10333. *phy = phy_7101;
  10334. break;
  10335. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10336. *phy = phy_null;
  10337. return -EINVAL;
  10338. default:
  10339. *phy = phy_null;
  10340. /* In case external PHY wasn't found */
  10341. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10342. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10343. return -EINVAL;
  10344. return 0;
  10345. }
  10346. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10347. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10348. /* The shmem address of the phy version is located on different
  10349. * structures. In case this structure is too old, do not set
  10350. * the address
  10351. */
  10352. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10353. dev_info.shared_hw_config.config2));
  10354. if (phy_index == EXT_PHY1) {
  10355. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10356. port_mb[port].ext_phy_fw_version);
  10357. /* Check specific mdc mdio settings */
  10358. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10359. mdc_mdio_access = config2 &
  10360. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10361. } else {
  10362. u32 size = REG_RD(bp, shmem2_base);
  10363. if (size >
  10364. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10365. phy->ver_addr = shmem2_base +
  10366. offsetof(struct shmem2_region,
  10367. ext_phy_fw_version2[port]);
  10368. }
  10369. /* Check specific mdc mdio settings */
  10370. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10371. mdc_mdio_access = (config2 &
  10372. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10373. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10374. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10375. }
  10376. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10377. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10378. (phy->ver_addr)) {
  10379. /* Remove 100Mb link supported for BCM84833 when phy fw
  10380. * version lower than or equal to 1.39
  10381. */
  10382. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10383. if (((raw_ver & 0x7F) <= 39) &&
  10384. (((raw_ver & 0xF80) >> 7) <= 1))
  10385. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10386. SUPPORTED_100baseT_Full);
  10387. }
  10388. /* In case mdc/mdio_access of the external phy is different than the
  10389. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10390. * to prevent one port interfere with another port's CL45 operations.
  10391. */
  10392. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10393. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10394. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10395. phy_type, port, phy_index);
  10396. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10397. phy->addr, phy->mdio_ctrl);
  10398. return 0;
  10399. }
  10400. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10401. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10402. {
  10403. int status = 0;
  10404. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10405. if (phy_index == INT_PHY)
  10406. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10407. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10408. port, phy);
  10409. return status;
  10410. }
  10411. static void bnx2x_phy_def_cfg(struct link_params *params,
  10412. struct bnx2x_phy *phy,
  10413. u8 phy_index)
  10414. {
  10415. struct bnx2x *bp = params->bp;
  10416. u32 link_config;
  10417. /* Populate the default phy configuration for MF mode */
  10418. if (phy_index == EXT_PHY2) {
  10419. link_config = REG_RD(bp, params->shmem_base +
  10420. offsetof(struct shmem_region, dev_info.
  10421. port_feature_config[params->port].link_config2));
  10422. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10423. offsetof(struct shmem_region,
  10424. dev_info.
  10425. port_hw_config[params->port].speed_capability_mask2));
  10426. } else {
  10427. link_config = REG_RD(bp, params->shmem_base +
  10428. offsetof(struct shmem_region, dev_info.
  10429. port_feature_config[params->port].link_config));
  10430. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10431. offsetof(struct shmem_region,
  10432. dev_info.
  10433. port_hw_config[params->port].speed_capability_mask));
  10434. }
  10435. DP(NETIF_MSG_LINK,
  10436. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10437. phy_index, link_config, phy->speed_cap_mask);
  10438. phy->req_duplex = DUPLEX_FULL;
  10439. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10440. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10441. phy->req_duplex = DUPLEX_HALF;
  10442. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10443. phy->req_line_speed = SPEED_10;
  10444. break;
  10445. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10446. phy->req_duplex = DUPLEX_HALF;
  10447. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10448. phy->req_line_speed = SPEED_100;
  10449. break;
  10450. case PORT_FEATURE_LINK_SPEED_1G:
  10451. phy->req_line_speed = SPEED_1000;
  10452. break;
  10453. case PORT_FEATURE_LINK_SPEED_2_5G:
  10454. phy->req_line_speed = SPEED_2500;
  10455. break;
  10456. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10457. phy->req_line_speed = SPEED_10000;
  10458. break;
  10459. default:
  10460. phy->req_line_speed = SPEED_AUTO_NEG;
  10461. break;
  10462. }
  10463. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10464. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10465. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10466. break;
  10467. case PORT_FEATURE_FLOW_CONTROL_TX:
  10468. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10469. break;
  10470. case PORT_FEATURE_FLOW_CONTROL_RX:
  10471. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10472. break;
  10473. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10474. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10475. break;
  10476. default:
  10477. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10478. break;
  10479. }
  10480. }
  10481. u32 bnx2x_phy_selection(struct link_params *params)
  10482. {
  10483. u32 phy_config_swapped, prio_cfg;
  10484. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10485. phy_config_swapped = params->multi_phy_config &
  10486. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10487. prio_cfg = params->multi_phy_config &
  10488. PORT_HW_CFG_PHY_SELECTION_MASK;
  10489. if (phy_config_swapped) {
  10490. switch (prio_cfg) {
  10491. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10492. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10493. break;
  10494. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10495. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10496. break;
  10497. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10498. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10499. break;
  10500. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10501. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10502. break;
  10503. }
  10504. } else
  10505. return_cfg = prio_cfg;
  10506. return return_cfg;
  10507. }
  10508. int bnx2x_phy_probe(struct link_params *params)
  10509. {
  10510. u8 phy_index, actual_phy_idx;
  10511. u32 phy_config_swapped, sync_offset, media_types;
  10512. struct bnx2x *bp = params->bp;
  10513. struct bnx2x_phy *phy;
  10514. params->num_phys = 0;
  10515. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10516. phy_config_swapped = params->multi_phy_config &
  10517. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10518. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10519. phy_index++) {
  10520. actual_phy_idx = phy_index;
  10521. if (phy_config_swapped) {
  10522. if (phy_index == EXT_PHY1)
  10523. actual_phy_idx = EXT_PHY2;
  10524. else if (phy_index == EXT_PHY2)
  10525. actual_phy_idx = EXT_PHY1;
  10526. }
  10527. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10528. " actual_phy_idx %x\n", phy_config_swapped,
  10529. phy_index, actual_phy_idx);
  10530. phy = &params->phy[actual_phy_idx];
  10531. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10532. params->shmem2_base, params->port,
  10533. phy) != 0) {
  10534. params->num_phys = 0;
  10535. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10536. phy_index);
  10537. for (phy_index = INT_PHY;
  10538. phy_index < MAX_PHYS;
  10539. phy_index++)
  10540. *phy = phy_null;
  10541. return -EINVAL;
  10542. }
  10543. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10544. break;
  10545. if (params->feature_config_flags &
  10546. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10547. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10548. sync_offset = params->shmem_base +
  10549. offsetof(struct shmem_region,
  10550. dev_info.port_hw_config[params->port].media_type);
  10551. media_types = REG_RD(bp, sync_offset);
  10552. /* Update media type for non-PMF sync only for the first time
  10553. * In case the media type changes afterwards, it will be updated
  10554. * using the update_status function
  10555. */
  10556. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10557. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10558. actual_phy_idx))) == 0) {
  10559. media_types |= ((phy->media_type &
  10560. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10561. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10562. actual_phy_idx));
  10563. }
  10564. REG_WR(bp, sync_offset, media_types);
  10565. bnx2x_phy_def_cfg(params, phy, phy_index);
  10566. params->num_phys++;
  10567. }
  10568. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10569. return 0;
  10570. }
  10571. void bnx2x_init_bmac_loopback(struct link_params *params,
  10572. struct link_vars *vars)
  10573. {
  10574. struct bnx2x *bp = params->bp;
  10575. vars->link_up = 1;
  10576. vars->line_speed = SPEED_10000;
  10577. vars->duplex = DUPLEX_FULL;
  10578. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10579. vars->mac_type = MAC_TYPE_BMAC;
  10580. vars->phy_flags = PHY_XGXS_FLAG;
  10581. bnx2x_xgxs_deassert(params);
  10582. /* set bmac loopback */
  10583. bnx2x_bmac_enable(params, vars, 1, 1);
  10584. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10585. }
  10586. void bnx2x_init_emac_loopback(struct link_params *params,
  10587. struct link_vars *vars)
  10588. {
  10589. struct bnx2x *bp = params->bp;
  10590. vars->link_up = 1;
  10591. vars->line_speed = SPEED_1000;
  10592. vars->duplex = DUPLEX_FULL;
  10593. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10594. vars->mac_type = MAC_TYPE_EMAC;
  10595. vars->phy_flags = PHY_XGXS_FLAG;
  10596. bnx2x_xgxs_deassert(params);
  10597. /* set bmac loopback */
  10598. bnx2x_emac_enable(params, vars, 1);
  10599. bnx2x_emac_program(params, vars);
  10600. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10601. }
  10602. void bnx2x_init_xmac_loopback(struct link_params *params,
  10603. struct link_vars *vars)
  10604. {
  10605. struct bnx2x *bp = params->bp;
  10606. vars->link_up = 1;
  10607. if (!params->req_line_speed[0])
  10608. vars->line_speed = SPEED_10000;
  10609. else
  10610. vars->line_speed = params->req_line_speed[0];
  10611. vars->duplex = DUPLEX_FULL;
  10612. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10613. vars->mac_type = MAC_TYPE_XMAC;
  10614. vars->phy_flags = PHY_XGXS_FLAG;
  10615. /* Set WC to loopback mode since link is required to provide clock
  10616. * to the XMAC in 20G mode
  10617. */
  10618. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10619. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10620. params->phy[INT_PHY].config_loopback(
  10621. &params->phy[INT_PHY],
  10622. params);
  10623. bnx2x_xmac_enable(params, vars, 1);
  10624. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10625. }
  10626. void bnx2x_init_umac_loopback(struct link_params *params,
  10627. struct link_vars *vars)
  10628. {
  10629. struct bnx2x *bp = params->bp;
  10630. vars->link_up = 1;
  10631. vars->line_speed = SPEED_1000;
  10632. vars->duplex = DUPLEX_FULL;
  10633. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10634. vars->mac_type = MAC_TYPE_UMAC;
  10635. vars->phy_flags = PHY_XGXS_FLAG;
  10636. bnx2x_umac_enable(params, vars, 1);
  10637. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10638. }
  10639. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10640. struct link_vars *vars)
  10641. {
  10642. struct bnx2x *bp = params->bp;
  10643. vars->link_up = 1;
  10644. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10645. vars->duplex = DUPLEX_FULL;
  10646. if (params->req_line_speed[0] == SPEED_1000)
  10647. vars->line_speed = SPEED_1000;
  10648. else
  10649. vars->line_speed = SPEED_10000;
  10650. if (!USES_WARPCORE(bp))
  10651. bnx2x_xgxs_deassert(params);
  10652. bnx2x_link_initialize(params, vars);
  10653. if (params->req_line_speed[0] == SPEED_1000) {
  10654. if (USES_WARPCORE(bp))
  10655. bnx2x_umac_enable(params, vars, 0);
  10656. else {
  10657. bnx2x_emac_program(params, vars);
  10658. bnx2x_emac_enable(params, vars, 0);
  10659. }
  10660. } else {
  10661. if (USES_WARPCORE(bp))
  10662. bnx2x_xmac_enable(params, vars, 0);
  10663. else
  10664. bnx2x_bmac_enable(params, vars, 0, 1);
  10665. }
  10666. if (params->loopback_mode == LOOPBACK_XGXS) {
  10667. /* set 10G XGXS loopback */
  10668. params->phy[INT_PHY].config_loopback(
  10669. &params->phy[INT_PHY],
  10670. params);
  10671. } else {
  10672. /* set external phy loopback */
  10673. u8 phy_index;
  10674. for (phy_index = EXT_PHY1;
  10675. phy_index < params->num_phys; phy_index++) {
  10676. if (params->phy[phy_index].config_loopback)
  10677. params->phy[phy_index].config_loopback(
  10678. &params->phy[phy_index],
  10679. params);
  10680. }
  10681. }
  10682. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10683. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10684. }
  10685. static void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10686. {
  10687. struct bnx2x *bp = params->bp;
  10688. u8 val = en * 0x1F;
  10689. /* Open the gate between the NIG to the BRB */
  10690. if (!CHIP_IS_E1x(bp))
  10691. val |= en * 0x20;
  10692. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10693. if (!CHIP_IS_E1(bp)) {
  10694. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10695. en*0x3);
  10696. }
  10697. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10698. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10699. }
  10700. static int bnx2x_avoid_link_flap(struct link_params *params,
  10701. struct link_vars *vars)
  10702. {
  10703. u32 phy_idx;
  10704. u32 dont_clear_stat, lfa_sts;
  10705. struct bnx2x *bp = params->bp;
  10706. /* Sync the link parameters */
  10707. bnx2x_link_status_update(params, vars);
  10708. /*
  10709. * The module verification was already done by previous link owner,
  10710. * so this call is meant only to get warning message
  10711. */
  10712. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10713. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10714. if (phy->phy_specific_func) {
  10715. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10716. phy->phy_specific_func(phy, params, PHY_INIT);
  10717. }
  10718. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10719. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10720. (phy->media_type == ETH_PHY_DA_TWINAX))
  10721. bnx2x_verify_sfp_module(phy, params);
  10722. }
  10723. lfa_sts = REG_RD(bp, params->lfa_base +
  10724. offsetof(struct shmem_lfa,
  10725. lfa_sts));
  10726. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10727. /* Re-enable the NIG/MAC */
  10728. if (CHIP_IS_E3(bp)) {
  10729. if (!dont_clear_stat) {
  10730. REG_WR(bp, GRCBASE_MISC +
  10731. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10732. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10733. params->port));
  10734. REG_WR(bp, GRCBASE_MISC +
  10735. MISC_REGISTERS_RESET_REG_2_SET,
  10736. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10737. params->port));
  10738. }
  10739. if (vars->line_speed < SPEED_10000)
  10740. bnx2x_umac_enable(params, vars, 0);
  10741. else
  10742. bnx2x_xmac_enable(params, vars, 0);
  10743. } else {
  10744. if (vars->line_speed < SPEED_10000)
  10745. bnx2x_emac_enable(params, vars, 0);
  10746. else
  10747. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  10748. }
  10749. /* Increment LFA count */
  10750. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  10751. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  10752. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  10753. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  10754. /* Clear link flap reason */
  10755. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10756. REG_WR(bp, params->lfa_base +
  10757. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10758. /* Disable NIG DRAIN */
  10759. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10760. /* Enable interrupts */
  10761. bnx2x_link_int_enable(params);
  10762. return 0;
  10763. }
  10764. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  10765. struct link_vars *vars,
  10766. int lfa_status)
  10767. {
  10768. u32 lfa_sts, cfg_idx, tmp_val;
  10769. struct bnx2x *bp = params->bp;
  10770. bnx2x_link_reset(params, vars, 1);
  10771. if (!params->lfa_base)
  10772. return;
  10773. /* Store the new link parameters */
  10774. REG_WR(bp, params->lfa_base +
  10775. offsetof(struct shmem_lfa, req_duplex),
  10776. params->req_duplex[0] | (params->req_duplex[1] << 16));
  10777. REG_WR(bp, params->lfa_base +
  10778. offsetof(struct shmem_lfa, req_flow_ctrl),
  10779. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  10780. REG_WR(bp, params->lfa_base +
  10781. offsetof(struct shmem_lfa, req_line_speed),
  10782. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  10783. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  10784. REG_WR(bp, params->lfa_base +
  10785. offsetof(struct shmem_lfa,
  10786. speed_cap_mask[cfg_idx]),
  10787. params->speed_cap_mask[cfg_idx]);
  10788. }
  10789. tmp_val = REG_RD(bp, params->lfa_base +
  10790. offsetof(struct shmem_lfa, additional_config));
  10791. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  10792. tmp_val |= params->req_fc_auto_adv;
  10793. REG_WR(bp, params->lfa_base +
  10794. offsetof(struct shmem_lfa, additional_config), tmp_val);
  10795. lfa_sts = REG_RD(bp, params->lfa_base +
  10796. offsetof(struct shmem_lfa, lfa_sts));
  10797. /* Clear the "Don't Clear Statistics" bit, and set reason */
  10798. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  10799. /* Set link flap reason */
  10800. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10801. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  10802. LFA_LINK_FLAP_REASON_OFFSET);
  10803. /* Increment link flap counter */
  10804. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  10805. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  10806. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  10807. << LINK_FLAP_COUNT_OFFSET));
  10808. REG_WR(bp, params->lfa_base +
  10809. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10810. /* Proceed with regular link initialization */
  10811. }
  10812. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10813. {
  10814. int lfa_status;
  10815. struct bnx2x *bp = params->bp;
  10816. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10817. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10818. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10819. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10820. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10821. vars->link_status = 0;
  10822. vars->phy_link_up = 0;
  10823. vars->link_up = 0;
  10824. vars->line_speed = 0;
  10825. vars->duplex = DUPLEX_FULL;
  10826. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10827. vars->mac_type = MAC_TYPE_NONE;
  10828. vars->phy_flags = 0;
  10829. /* Driver opens NIG-BRB filters */
  10830. bnx2x_set_rx_filter(params, 1);
  10831. /* Check if link flap can be avoided */
  10832. lfa_status = bnx2x_check_lfa(params);
  10833. if (lfa_status == 0) {
  10834. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  10835. return bnx2x_avoid_link_flap(params, vars);
  10836. }
  10837. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  10838. lfa_status);
  10839. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  10840. /* Disable attentions */
  10841. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10842. (NIG_MASK_XGXS0_LINK_STATUS |
  10843. NIG_MASK_XGXS0_LINK10G |
  10844. NIG_MASK_SERDES0_LINK_STATUS |
  10845. NIG_MASK_MI_INT));
  10846. bnx2x_emac_init(params, vars);
  10847. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10848. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10849. if (params->num_phys == 0) {
  10850. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10851. return -EINVAL;
  10852. }
  10853. set_phy_vars(params, vars);
  10854. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10855. switch (params->loopback_mode) {
  10856. case LOOPBACK_BMAC:
  10857. bnx2x_init_bmac_loopback(params, vars);
  10858. break;
  10859. case LOOPBACK_EMAC:
  10860. bnx2x_init_emac_loopback(params, vars);
  10861. break;
  10862. case LOOPBACK_XMAC:
  10863. bnx2x_init_xmac_loopback(params, vars);
  10864. break;
  10865. case LOOPBACK_UMAC:
  10866. bnx2x_init_umac_loopback(params, vars);
  10867. break;
  10868. case LOOPBACK_XGXS:
  10869. case LOOPBACK_EXT_PHY:
  10870. bnx2x_init_xgxs_loopback(params, vars);
  10871. break;
  10872. default:
  10873. if (!CHIP_IS_E3(bp)) {
  10874. if (params->switch_cfg == SWITCH_CFG_10G)
  10875. bnx2x_xgxs_deassert(params);
  10876. else
  10877. bnx2x_serdes_deassert(bp, params->port);
  10878. }
  10879. bnx2x_link_initialize(params, vars);
  10880. msleep(30);
  10881. bnx2x_link_int_enable(params);
  10882. break;
  10883. }
  10884. bnx2x_update_mng(params, vars->link_status);
  10885. bnx2x_update_mng_eee(params, vars->eee_status);
  10886. return 0;
  10887. }
  10888. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10889. u8 reset_ext_phy)
  10890. {
  10891. struct bnx2x *bp = params->bp;
  10892. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10893. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10894. /* Disable attentions */
  10895. vars->link_status = 0;
  10896. bnx2x_update_mng(params, vars->link_status);
  10897. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10898. SHMEM_EEE_ACTIVE_BIT);
  10899. bnx2x_update_mng_eee(params, vars->eee_status);
  10900. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10901. (NIG_MASK_XGXS0_LINK_STATUS |
  10902. NIG_MASK_XGXS0_LINK10G |
  10903. NIG_MASK_SERDES0_LINK_STATUS |
  10904. NIG_MASK_MI_INT));
  10905. /* Activate nig drain */
  10906. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10907. /* Disable nig egress interface */
  10908. if (!CHIP_IS_E3(bp)) {
  10909. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10910. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10911. }
  10912. if (!CHIP_IS_E3(bp)) {
  10913. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  10914. } else {
  10915. bnx2x_set_xmac_rxtx(params, 0);
  10916. bnx2x_set_umac_rxtx(params, 0);
  10917. }
  10918. /* Disable emac */
  10919. if (!CHIP_IS_E3(bp))
  10920. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10921. usleep_range(10000, 20000);
  10922. /* The PHY reset is controlled by GPIO 1
  10923. * Hold it as vars low
  10924. */
  10925. /* Clear link led */
  10926. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10927. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10928. if (reset_ext_phy) {
  10929. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10930. phy_index++) {
  10931. if (params->phy[phy_index].link_reset) {
  10932. bnx2x_set_aer_mmd(params,
  10933. &params->phy[phy_index]);
  10934. params->phy[phy_index].link_reset(
  10935. &params->phy[phy_index],
  10936. params);
  10937. }
  10938. if (params->phy[phy_index].flags &
  10939. FLAGS_REARM_LATCH_SIGNAL)
  10940. clear_latch_ind = 1;
  10941. }
  10942. }
  10943. if (clear_latch_ind) {
  10944. /* Clear latching indication */
  10945. bnx2x_rearm_latch_signal(bp, port, 0);
  10946. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10947. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10948. }
  10949. if (params->phy[INT_PHY].link_reset)
  10950. params->phy[INT_PHY].link_reset(
  10951. &params->phy[INT_PHY], params);
  10952. /* Disable nig ingress interface */
  10953. if (!CHIP_IS_E3(bp)) {
  10954. /* Reset BigMac */
  10955. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10956. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10957. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10958. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10959. } else {
  10960. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10961. bnx2x_set_xumac_nig(params, 0, 0);
  10962. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10963. MISC_REGISTERS_RESET_REG_2_XMAC)
  10964. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10965. XMAC_CTRL_REG_SOFT_RESET);
  10966. }
  10967. vars->link_up = 0;
  10968. vars->phy_flags = 0;
  10969. return 0;
  10970. }
  10971. int bnx2x_lfa_reset(struct link_params *params,
  10972. struct link_vars *vars)
  10973. {
  10974. struct bnx2x *bp = params->bp;
  10975. vars->link_up = 0;
  10976. vars->phy_flags = 0;
  10977. if (!params->lfa_base)
  10978. return bnx2x_link_reset(params, vars, 1);
  10979. /*
  10980. * Activate NIG drain so that during this time the device won't send
  10981. * anything while it is unable to response.
  10982. */
  10983. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  10984. /*
  10985. * Close gracefully the gate from BMAC to NIG such that no half packets
  10986. * are passed.
  10987. */
  10988. if (!CHIP_IS_E3(bp))
  10989. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  10990. if (CHIP_IS_E3(bp)) {
  10991. bnx2x_set_xmac_rxtx(params, 0);
  10992. bnx2x_set_umac_rxtx(params, 0);
  10993. }
  10994. /* Wait 10ms for the pipe to clean up*/
  10995. usleep_range(10000, 20000);
  10996. /* Clean the NIG-BRB using the network filters in a way that will
  10997. * not cut a packet in the middle.
  10998. */
  10999. bnx2x_set_rx_filter(params, 0);
  11000. /*
  11001. * Re-open the gate between the BMAC and the NIG, after verifying the
  11002. * gate to the BRB is closed, otherwise packets may arrive to the
  11003. * firmware before driver had initialized it. The target is to achieve
  11004. * minimum management protocol down time.
  11005. */
  11006. if (!CHIP_IS_E3(bp))
  11007. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11008. if (CHIP_IS_E3(bp)) {
  11009. bnx2x_set_xmac_rxtx(params, 1);
  11010. bnx2x_set_umac_rxtx(params, 1);
  11011. }
  11012. /* Disable NIG drain */
  11013. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11014. return 0;
  11015. }
  11016. /****************************************************************************/
  11017. /* Common function */
  11018. /****************************************************************************/
  11019. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11020. u32 shmem_base_path[],
  11021. u32 shmem2_base_path[], u8 phy_index,
  11022. u32 chip_id)
  11023. {
  11024. struct bnx2x_phy phy[PORT_MAX];
  11025. struct bnx2x_phy *phy_blk[PORT_MAX];
  11026. u16 val;
  11027. s8 port = 0;
  11028. s8 port_of_path = 0;
  11029. u32 swap_val, swap_override;
  11030. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11031. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11032. port ^= (swap_val && swap_override);
  11033. bnx2x_ext_phy_hw_reset(bp, port);
  11034. /* PART1 - Reset both phys */
  11035. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11036. u32 shmem_base, shmem2_base;
  11037. /* In E2, same phy is using for port0 of the two paths */
  11038. if (CHIP_IS_E1x(bp)) {
  11039. shmem_base = shmem_base_path[0];
  11040. shmem2_base = shmem2_base_path[0];
  11041. port_of_path = port;
  11042. } else {
  11043. shmem_base = shmem_base_path[port];
  11044. shmem2_base = shmem2_base_path[port];
  11045. port_of_path = 0;
  11046. }
  11047. /* Extract the ext phy address for the port */
  11048. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11049. port_of_path, &phy[port]) !=
  11050. 0) {
  11051. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11052. return -EINVAL;
  11053. }
  11054. /* Disable attentions */
  11055. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11056. port_of_path*4,
  11057. (NIG_MASK_XGXS0_LINK_STATUS |
  11058. NIG_MASK_XGXS0_LINK10G |
  11059. NIG_MASK_SERDES0_LINK_STATUS |
  11060. NIG_MASK_MI_INT));
  11061. /* Need to take the phy out of low power mode in order
  11062. * to write to access its registers
  11063. */
  11064. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11065. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11066. port);
  11067. /* Reset the phy */
  11068. bnx2x_cl45_write(bp, &phy[port],
  11069. MDIO_PMA_DEVAD,
  11070. MDIO_PMA_REG_CTRL,
  11071. 1<<15);
  11072. }
  11073. /* Add delay of 150ms after reset */
  11074. msleep(150);
  11075. if (phy[PORT_0].addr & 0x1) {
  11076. phy_blk[PORT_0] = &(phy[PORT_1]);
  11077. phy_blk[PORT_1] = &(phy[PORT_0]);
  11078. } else {
  11079. phy_blk[PORT_0] = &(phy[PORT_0]);
  11080. phy_blk[PORT_1] = &(phy[PORT_1]);
  11081. }
  11082. /* PART2 - Download firmware to both phys */
  11083. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11084. if (CHIP_IS_E1x(bp))
  11085. port_of_path = port;
  11086. else
  11087. port_of_path = 0;
  11088. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11089. phy_blk[port]->addr);
  11090. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11091. port_of_path))
  11092. return -EINVAL;
  11093. /* Only set bit 10 = 1 (Tx power down) */
  11094. bnx2x_cl45_read(bp, phy_blk[port],
  11095. MDIO_PMA_DEVAD,
  11096. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11097. /* Phase1 of TX_POWER_DOWN reset */
  11098. bnx2x_cl45_write(bp, phy_blk[port],
  11099. MDIO_PMA_DEVAD,
  11100. MDIO_PMA_REG_TX_POWER_DOWN,
  11101. (val | 1<<10));
  11102. }
  11103. /* Toggle Transmitter: Power down and then up with 600ms delay
  11104. * between
  11105. */
  11106. msleep(600);
  11107. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11108. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11109. /* Phase2 of POWER_DOWN_RESET */
  11110. /* Release bit 10 (Release Tx power down) */
  11111. bnx2x_cl45_read(bp, phy_blk[port],
  11112. MDIO_PMA_DEVAD,
  11113. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11114. bnx2x_cl45_write(bp, phy_blk[port],
  11115. MDIO_PMA_DEVAD,
  11116. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11117. usleep_range(15000, 30000);
  11118. /* Read modify write the SPI-ROM version select register */
  11119. bnx2x_cl45_read(bp, phy_blk[port],
  11120. MDIO_PMA_DEVAD,
  11121. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11122. bnx2x_cl45_write(bp, phy_blk[port],
  11123. MDIO_PMA_DEVAD,
  11124. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11125. /* set GPIO2 back to LOW */
  11126. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11127. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11128. }
  11129. return 0;
  11130. }
  11131. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11132. u32 shmem_base_path[],
  11133. u32 shmem2_base_path[], u8 phy_index,
  11134. u32 chip_id)
  11135. {
  11136. u32 val;
  11137. s8 port;
  11138. struct bnx2x_phy phy;
  11139. /* Use port1 because of the static port-swap */
  11140. /* Enable the module detection interrupt */
  11141. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11142. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11143. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11144. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11145. bnx2x_ext_phy_hw_reset(bp, 0);
  11146. usleep_range(5000, 10000);
  11147. for (port = 0; port < PORT_MAX; port++) {
  11148. u32 shmem_base, shmem2_base;
  11149. /* In E2, same phy is using for port0 of the two paths */
  11150. if (CHIP_IS_E1x(bp)) {
  11151. shmem_base = shmem_base_path[0];
  11152. shmem2_base = shmem2_base_path[0];
  11153. } else {
  11154. shmem_base = shmem_base_path[port];
  11155. shmem2_base = shmem2_base_path[port];
  11156. }
  11157. /* Extract the ext phy address for the port */
  11158. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11159. port, &phy) !=
  11160. 0) {
  11161. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11162. return -EINVAL;
  11163. }
  11164. /* Reset phy*/
  11165. bnx2x_cl45_write(bp, &phy,
  11166. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11167. /* Set fault module detected LED on */
  11168. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11169. MISC_REGISTERS_GPIO_HIGH,
  11170. port);
  11171. }
  11172. return 0;
  11173. }
  11174. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11175. u8 *io_gpio, u8 *io_port)
  11176. {
  11177. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11178. offsetof(struct shmem_region,
  11179. dev_info.port_hw_config[PORT_0].default_cfg));
  11180. switch (phy_gpio_reset) {
  11181. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11182. *io_gpio = 0;
  11183. *io_port = 0;
  11184. break;
  11185. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11186. *io_gpio = 1;
  11187. *io_port = 0;
  11188. break;
  11189. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11190. *io_gpio = 2;
  11191. *io_port = 0;
  11192. break;
  11193. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11194. *io_gpio = 3;
  11195. *io_port = 0;
  11196. break;
  11197. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11198. *io_gpio = 0;
  11199. *io_port = 1;
  11200. break;
  11201. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11202. *io_gpio = 1;
  11203. *io_port = 1;
  11204. break;
  11205. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11206. *io_gpio = 2;
  11207. *io_port = 1;
  11208. break;
  11209. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11210. *io_gpio = 3;
  11211. *io_port = 1;
  11212. break;
  11213. default:
  11214. /* Don't override the io_gpio and io_port */
  11215. break;
  11216. }
  11217. }
  11218. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11219. u32 shmem_base_path[],
  11220. u32 shmem2_base_path[], u8 phy_index,
  11221. u32 chip_id)
  11222. {
  11223. s8 port, reset_gpio;
  11224. u32 swap_val, swap_override;
  11225. struct bnx2x_phy phy[PORT_MAX];
  11226. struct bnx2x_phy *phy_blk[PORT_MAX];
  11227. s8 port_of_path;
  11228. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11229. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11230. reset_gpio = MISC_REGISTERS_GPIO_1;
  11231. port = 1;
  11232. /* Retrieve the reset gpio/port which control the reset.
  11233. * Default is GPIO1, PORT1
  11234. */
  11235. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11236. (u8 *)&reset_gpio, (u8 *)&port);
  11237. /* Calculate the port based on port swap */
  11238. port ^= (swap_val && swap_override);
  11239. /* Initiate PHY reset*/
  11240. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11241. port);
  11242. usleep_range(1000, 2000);
  11243. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11244. port);
  11245. usleep_range(5000, 10000);
  11246. /* PART1 - Reset both phys */
  11247. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11248. u32 shmem_base, shmem2_base;
  11249. /* In E2, same phy is using for port0 of the two paths */
  11250. if (CHIP_IS_E1x(bp)) {
  11251. shmem_base = shmem_base_path[0];
  11252. shmem2_base = shmem2_base_path[0];
  11253. port_of_path = port;
  11254. } else {
  11255. shmem_base = shmem_base_path[port];
  11256. shmem2_base = shmem2_base_path[port];
  11257. port_of_path = 0;
  11258. }
  11259. /* Extract the ext phy address for the port */
  11260. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11261. port_of_path, &phy[port]) !=
  11262. 0) {
  11263. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11264. return -EINVAL;
  11265. }
  11266. /* disable attentions */
  11267. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11268. port_of_path*4,
  11269. (NIG_MASK_XGXS0_LINK_STATUS |
  11270. NIG_MASK_XGXS0_LINK10G |
  11271. NIG_MASK_SERDES0_LINK_STATUS |
  11272. NIG_MASK_MI_INT));
  11273. /* Reset the phy */
  11274. bnx2x_cl45_write(bp, &phy[port],
  11275. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11276. }
  11277. /* Add delay of 150ms after reset */
  11278. msleep(150);
  11279. if (phy[PORT_0].addr & 0x1) {
  11280. phy_blk[PORT_0] = &(phy[PORT_1]);
  11281. phy_blk[PORT_1] = &(phy[PORT_0]);
  11282. } else {
  11283. phy_blk[PORT_0] = &(phy[PORT_0]);
  11284. phy_blk[PORT_1] = &(phy[PORT_1]);
  11285. }
  11286. /* PART2 - Download firmware to both phys */
  11287. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11288. if (CHIP_IS_E1x(bp))
  11289. port_of_path = port;
  11290. else
  11291. port_of_path = 0;
  11292. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11293. phy_blk[port]->addr);
  11294. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11295. port_of_path))
  11296. return -EINVAL;
  11297. /* Disable PHY transmitter output */
  11298. bnx2x_cl45_write(bp, phy_blk[port],
  11299. MDIO_PMA_DEVAD,
  11300. MDIO_PMA_REG_TX_DISABLE, 1);
  11301. }
  11302. return 0;
  11303. }
  11304. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11305. u32 shmem_base_path[],
  11306. u32 shmem2_base_path[],
  11307. u8 phy_index,
  11308. u32 chip_id)
  11309. {
  11310. u8 reset_gpios;
  11311. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11312. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11313. udelay(10);
  11314. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11315. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11316. reset_gpios);
  11317. return 0;
  11318. }
  11319. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11320. struct bnx2x_phy *phy)
  11321. {
  11322. u16 val, cnt;
  11323. /* Wait for FW completing its initialization. */
  11324. for (cnt = 0; cnt < 1500; cnt++) {
  11325. bnx2x_cl45_read(bp, phy,
  11326. MDIO_PMA_DEVAD,
  11327. MDIO_PMA_REG_CTRL, &val);
  11328. if (!(val & (1<<15)))
  11329. break;
  11330. usleep_range(1000, 2000);
  11331. }
  11332. if (cnt >= 1500) {
  11333. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11334. return -EINVAL;
  11335. }
  11336. /* Put the port in super isolate mode. */
  11337. bnx2x_cl45_read(bp, phy,
  11338. MDIO_CTL_DEVAD,
  11339. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11340. val |= MDIO_84833_SUPER_ISOLATE;
  11341. bnx2x_cl45_write(bp, phy,
  11342. MDIO_CTL_DEVAD,
  11343. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11344. /* Save spirom version */
  11345. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11346. return 0;
  11347. }
  11348. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11349. u32 shmem_base,
  11350. u32 shmem2_base,
  11351. u32 chip_id)
  11352. {
  11353. int rc = 0;
  11354. struct bnx2x_phy phy;
  11355. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11356. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11357. PORT_0, &phy)) {
  11358. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11359. return -EINVAL;
  11360. }
  11361. switch (phy.type) {
  11362. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11363. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11364. break;
  11365. default:
  11366. break;
  11367. }
  11368. return rc;
  11369. }
  11370. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11371. u32 shmem2_base_path[], u8 phy_index,
  11372. u32 ext_phy_type, u32 chip_id)
  11373. {
  11374. int rc = 0;
  11375. switch (ext_phy_type) {
  11376. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11377. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11378. shmem2_base_path,
  11379. phy_index, chip_id);
  11380. break;
  11381. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11382. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11383. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11384. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11385. shmem2_base_path,
  11386. phy_index, chip_id);
  11387. break;
  11388. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11389. /* GPIO1 affects both ports, so there's need to pull
  11390. * it for single port alone
  11391. */
  11392. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11393. shmem2_base_path,
  11394. phy_index, chip_id);
  11395. break;
  11396. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11397. /* GPIO3's are linked, and so both need to be toggled
  11398. * to obtain required 2us pulse.
  11399. */
  11400. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11401. shmem2_base_path,
  11402. phy_index, chip_id);
  11403. break;
  11404. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11405. rc = -EINVAL;
  11406. break;
  11407. default:
  11408. DP(NETIF_MSG_LINK,
  11409. "ext_phy 0x%x common init not required\n",
  11410. ext_phy_type);
  11411. break;
  11412. }
  11413. if (rc)
  11414. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11415. " Port %d\n",
  11416. 0);
  11417. return rc;
  11418. }
  11419. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11420. u32 shmem2_base_path[], u32 chip_id)
  11421. {
  11422. int rc = 0;
  11423. u32 phy_ver, val;
  11424. u8 phy_index = 0;
  11425. u32 ext_phy_type, ext_phy_config;
  11426. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11427. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11428. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11429. if (CHIP_IS_E3(bp)) {
  11430. /* Enable EPIO */
  11431. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11432. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11433. }
  11434. /* Check if common init was already done */
  11435. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11436. offsetof(struct shmem_region,
  11437. port_mb[PORT_0].ext_phy_fw_version));
  11438. if (phy_ver) {
  11439. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11440. phy_ver);
  11441. return 0;
  11442. }
  11443. /* Read the ext_phy_type for arbitrary port(0) */
  11444. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11445. phy_index++) {
  11446. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11447. shmem_base_path[0],
  11448. phy_index, 0);
  11449. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11450. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11451. shmem2_base_path,
  11452. phy_index, ext_phy_type,
  11453. chip_id);
  11454. }
  11455. return rc;
  11456. }
  11457. static void bnx2x_check_over_curr(struct link_params *params,
  11458. struct link_vars *vars)
  11459. {
  11460. struct bnx2x *bp = params->bp;
  11461. u32 cfg_pin;
  11462. u8 port = params->port;
  11463. u32 pin_val;
  11464. cfg_pin = (REG_RD(bp, params->shmem_base +
  11465. offsetof(struct shmem_region,
  11466. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11467. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11468. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11469. /* Ignore check if no external input PIN available */
  11470. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11471. return;
  11472. if (!pin_val) {
  11473. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11474. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11475. " been detected and the power to "
  11476. "that SFP+ module has been removed"
  11477. " to prevent failure of the card."
  11478. " Please remove the SFP+ module and"
  11479. " restart the system to clear this"
  11480. " error.\n",
  11481. params->port);
  11482. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11483. }
  11484. } else
  11485. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11486. }
  11487. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11488. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11489. struct link_vars *vars, u32 status,
  11490. u32 phy_flag, u32 link_flag, u8 notify)
  11491. {
  11492. struct bnx2x *bp = params->bp;
  11493. /* Compare new value with previous value */
  11494. u8 led_mode;
  11495. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11496. if ((status ^ old_status) == 0)
  11497. return 0;
  11498. /* If values differ */
  11499. switch (phy_flag) {
  11500. case PHY_HALF_OPEN_CONN_FLAG:
  11501. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11502. break;
  11503. case PHY_SFP_TX_FAULT_FLAG:
  11504. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11505. break;
  11506. default:
  11507. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11508. }
  11509. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11510. old_status, status);
  11511. /* a. Update shmem->link_status accordingly
  11512. * b. Update link_vars->link_up
  11513. */
  11514. if (status) {
  11515. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11516. vars->link_status |= link_flag;
  11517. vars->link_up = 0;
  11518. vars->phy_flags |= phy_flag;
  11519. /* activate nig drain */
  11520. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11521. /* Set LED mode to off since the PHY doesn't know about these
  11522. * errors
  11523. */
  11524. led_mode = LED_MODE_OFF;
  11525. } else {
  11526. vars->link_status |= LINK_STATUS_LINK_UP;
  11527. vars->link_status &= ~link_flag;
  11528. vars->link_up = 1;
  11529. vars->phy_flags &= ~phy_flag;
  11530. led_mode = LED_MODE_OPER;
  11531. /* Clear nig drain */
  11532. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11533. }
  11534. bnx2x_sync_link(params, vars);
  11535. /* Update the LED according to the link state */
  11536. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11537. /* Update link status in the shared memory */
  11538. bnx2x_update_mng(params, vars->link_status);
  11539. /* C. Trigger General Attention */
  11540. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11541. if (notify)
  11542. bnx2x_notify_link_changed(bp);
  11543. return 1;
  11544. }
  11545. /******************************************************************************
  11546. * Description:
  11547. * This function checks for half opened connection change indication.
  11548. * When such change occurs, it calls the bnx2x_analyze_link_error
  11549. * to check if Remote Fault is set or cleared. Reception of remote fault
  11550. * status message in the MAC indicates that the peer's MAC has detected
  11551. * a fault, for example, due to break in the TX side of fiber.
  11552. *
  11553. ******************************************************************************/
  11554. int bnx2x_check_half_open_conn(struct link_params *params,
  11555. struct link_vars *vars,
  11556. u8 notify)
  11557. {
  11558. struct bnx2x *bp = params->bp;
  11559. u32 lss_status = 0;
  11560. u32 mac_base;
  11561. /* In case link status is physically up @ 10G do */
  11562. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11563. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11564. return 0;
  11565. if (CHIP_IS_E3(bp) &&
  11566. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11567. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11568. /* Check E3 XMAC */
  11569. /* Note that link speed cannot be queried here, since it may be
  11570. * zero while link is down. In case UMAC is active, LSS will
  11571. * simply not be set
  11572. */
  11573. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11574. /* Clear stick bits (Requires rising edge) */
  11575. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11576. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11577. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11578. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11579. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11580. lss_status = 1;
  11581. bnx2x_analyze_link_error(params, vars, lss_status,
  11582. PHY_HALF_OPEN_CONN_FLAG,
  11583. LINK_STATUS_NONE, notify);
  11584. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11585. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11586. /* Check E1X / E2 BMAC */
  11587. u32 lss_status_reg;
  11588. u32 wb_data[2];
  11589. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11590. NIG_REG_INGRESS_BMAC0_MEM;
  11591. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11592. if (CHIP_IS_E2(bp))
  11593. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11594. else
  11595. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11596. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11597. lss_status = (wb_data[0] > 0);
  11598. bnx2x_analyze_link_error(params, vars, lss_status,
  11599. PHY_HALF_OPEN_CONN_FLAG,
  11600. LINK_STATUS_NONE, notify);
  11601. }
  11602. return 0;
  11603. }
  11604. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11605. struct link_params *params,
  11606. struct link_vars *vars)
  11607. {
  11608. struct bnx2x *bp = params->bp;
  11609. u32 cfg_pin, value = 0;
  11610. u8 led_change, port = params->port;
  11611. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11612. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11613. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11614. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11615. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11616. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11617. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11618. return;
  11619. }
  11620. led_change = bnx2x_analyze_link_error(params, vars, value,
  11621. PHY_SFP_TX_FAULT_FLAG,
  11622. LINK_STATUS_SFP_TX_FAULT, 1);
  11623. if (led_change) {
  11624. /* Change TX_Fault led, set link status for further syncs */
  11625. u8 led_mode;
  11626. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11627. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11628. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11629. } else {
  11630. led_mode = MISC_REGISTERS_GPIO_LOW;
  11631. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11632. }
  11633. /* If module is unapproved, led should be on regardless */
  11634. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11635. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11636. led_mode);
  11637. bnx2x_set_e3_module_fault_led(params, led_mode);
  11638. }
  11639. }
  11640. }
  11641. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11642. {
  11643. u16 phy_idx;
  11644. struct bnx2x *bp = params->bp;
  11645. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11646. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11647. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11648. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11649. 0)
  11650. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11651. break;
  11652. }
  11653. }
  11654. if (CHIP_IS_E3(bp)) {
  11655. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11656. bnx2x_set_aer_mmd(params, phy);
  11657. bnx2x_check_over_curr(params, vars);
  11658. if (vars->rx_tx_asic_rst)
  11659. bnx2x_warpcore_config_runtime(phy, params, vars);
  11660. if ((REG_RD(bp, params->shmem_base +
  11661. offsetof(struct shmem_region, dev_info.
  11662. port_hw_config[params->port].default_cfg))
  11663. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11664. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11665. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11666. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11667. } else if (vars->link_status &
  11668. LINK_STATUS_SFP_TX_FAULT) {
  11669. /* Clean trail, interrupt corrects the leds */
  11670. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11671. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11672. /* Update link status in the shared memory */
  11673. bnx2x_update_mng(params, vars->link_status);
  11674. }
  11675. }
  11676. }
  11677. }
  11678. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11679. {
  11680. u8 phy_index;
  11681. struct bnx2x_phy phy;
  11682. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11683. phy_index++) {
  11684. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11685. 0, &phy) != 0) {
  11686. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11687. return 0;
  11688. }
  11689. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11690. return 1;
  11691. }
  11692. return 0;
  11693. }
  11694. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11695. u32 shmem_base,
  11696. u32 shmem2_base,
  11697. u8 port)
  11698. {
  11699. u8 phy_index, fan_failure_det_req = 0;
  11700. struct bnx2x_phy phy;
  11701. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11702. phy_index++) {
  11703. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11704. port, &phy)
  11705. != 0) {
  11706. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11707. return 0;
  11708. }
  11709. fan_failure_det_req |= (phy.flags &
  11710. FLAGS_FAN_FAILURE_DET_REQ);
  11711. }
  11712. return fan_failure_det_req;
  11713. }
  11714. void bnx2x_hw_reset_phy(struct link_params *params)
  11715. {
  11716. u8 phy_index;
  11717. struct bnx2x *bp = params->bp;
  11718. bnx2x_update_mng(params, 0);
  11719. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11720. (NIG_MASK_XGXS0_LINK_STATUS |
  11721. NIG_MASK_XGXS0_LINK10G |
  11722. NIG_MASK_SERDES0_LINK_STATUS |
  11723. NIG_MASK_MI_INT));
  11724. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11725. phy_index++) {
  11726. if (params->phy[phy_index].hw_reset) {
  11727. params->phy[phy_index].hw_reset(
  11728. &params->phy[phy_index],
  11729. params);
  11730. params->phy[phy_index] = phy_null;
  11731. }
  11732. }
  11733. }
  11734. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11735. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11736. u8 port)
  11737. {
  11738. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11739. u32 val;
  11740. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11741. if (CHIP_IS_E3(bp)) {
  11742. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11743. shmem_base,
  11744. port,
  11745. &gpio_num,
  11746. &gpio_port) != 0)
  11747. return;
  11748. } else {
  11749. struct bnx2x_phy phy;
  11750. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11751. phy_index++) {
  11752. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11753. shmem2_base, port, &phy)
  11754. != 0) {
  11755. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11756. return;
  11757. }
  11758. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11759. gpio_num = MISC_REGISTERS_GPIO_3;
  11760. gpio_port = port;
  11761. break;
  11762. }
  11763. }
  11764. }
  11765. if (gpio_num == 0xff)
  11766. return;
  11767. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11768. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11769. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11770. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11771. gpio_port ^= (swap_val && swap_override);
  11772. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11773. (gpio_num + (gpio_port << 2));
  11774. sync_offset = shmem_base +
  11775. offsetof(struct shmem_region,
  11776. dev_info.port_hw_config[port].aeu_int_mask);
  11777. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11778. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11779. gpio_num, gpio_port, vars->aeu_int_mask);
  11780. if (port == 0)
  11781. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11782. else
  11783. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11784. /* Open appropriate AEU for interrupts */
  11785. aeu_mask = REG_RD(bp, offset);
  11786. aeu_mask |= vars->aeu_int_mask;
  11787. REG_WR(bp, offset, aeu_mask);
  11788. /* Enable the GPIO to trigger interrupt */
  11789. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11790. val |= 1 << (gpio_num + (gpio_port << 2));
  11791. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11792. }