bnx2x_link.c 384 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 val16 = 0, lane, i, cl72_ctrl;
  3112. struct bnx2x *bp = params->bp;
  3113. static struct bnx2x_reg_set reg_set[] = {
  3114. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3115. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3116. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff},
  3117. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555},
  3118. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3119. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3120. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3121. /* Disable Autoneg: re-enable it after adv is done. */
  3122. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3123. };
  3124. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3125. /* Set to default registers that may be overriden by 10G force */
  3126. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3127. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3128. reg_set[i].val);
  3129. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3130. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3131. cl72_ctrl &= 0xf8ff;
  3132. cl72_ctrl |= 0x3800;
  3133. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3134. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3135. /* Check adding advertisement for 1G KX */
  3136. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3137. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3138. (vars->line_speed == SPEED_1000)) {
  3139. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3140. val16 |= (1<<5);
  3141. /* Enable CL37 1G Parallel Detect */
  3142. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3143. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3144. }
  3145. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3146. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3147. (vars->line_speed == SPEED_10000)) {
  3148. /* Check adding advertisement for 10G KR */
  3149. val16 |= (1<<7);
  3150. /* Enable 10G Parallel Detect */
  3151. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3152. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3153. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3154. }
  3155. /* Set Transmit PMD settings */
  3156. lane = bnx2x_get_warpcore_lane(phy, params);
  3157. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3158. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3159. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3160. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3161. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3162. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3163. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3164. 0x03f0);
  3165. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3166. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3167. 0x03f0);
  3168. /* Advertised speeds */
  3169. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3170. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3171. /* Advertised and set FEC (Forward Error Correction) */
  3172. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3173. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3174. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3175. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3176. /* Enable CL37 BAM */
  3177. if (REG_RD(bp, params->shmem_base +
  3178. offsetof(struct shmem_region, dev_info.
  3179. port_hw_config[params->port].default_cfg)) &
  3180. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3181. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3182. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3183. 1);
  3184. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3185. }
  3186. /* Advertise pause */
  3187. bnx2x_ext_phy_set_pause(params, phy, vars);
  3188. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3189. */
  3190. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3191. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3192. if (val16 < 0xd108) {
  3193. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3194. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3195. }
  3196. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3197. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3198. /* Over 1G - AN local device user page 1 */
  3199. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3200. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3201. /* Enable Autoneg */
  3202. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3203. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3204. }
  3205. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3206. struct link_params *params,
  3207. struct link_vars *vars)
  3208. {
  3209. struct bnx2x *bp = params->bp;
  3210. u16 i;
  3211. static struct bnx2x_reg_set reg_set[] = {
  3212. /* Disable Autoneg */
  3213. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3214. {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0},
  3215. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3216. 0x3f00},
  3217. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3218. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3219. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3220. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3221. /* Disable CL36 PCS Tx */
  3222. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0},
  3223. /* Double Wide Single Data Rate @ pll rate */
  3224. {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF},
  3225. /* Leave cl72 training enable, needed for KR */
  3226. {MDIO_PMA_DEVAD,
  3227. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3228. 0x2}
  3229. };
  3230. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3231. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3232. reg_set[i].val);
  3233. /* Leave CL72 enabled */
  3234. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3235. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3236. 0x3800);
  3237. /* Set speed via PMA/PMD register */
  3238. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3239. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3240. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3241. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3242. /* Enable encoded forced speed */
  3243. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3244. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3245. /* Turn TX scramble payload only the 64/66 scrambler */
  3246. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3247. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3248. /* Turn RX scramble payload only the 64/66 scrambler */
  3249. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3250. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3251. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3252. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3253. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3254. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3255. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3256. }
  3257. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3258. struct link_params *params,
  3259. u8 is_xfi)
  3260. {
  3261. struct bnx2x *bp = params->bp;
  3262. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3263. /* Hold rxSeqStart */
  3264. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3265. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3266. /* Hold tx_fifo_reset */
  3267. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3268. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3269. /* Disable CL73 AN */
  3270. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3271. /* Disable 100FX Enable and Auto-Detect */
  3272. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3273. MDIO_WC_REG_FX100_CTRL1, &val);
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3276. /* Disable 100FX Idle detect */
  3277. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3278. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3279. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3280. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3281. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3282. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3283. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3284. /* Turn off auto-detect & fiber mode */
  3285. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3286. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3287. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3289. (val & 0xFFEE));
  3290. /* Set filter_force_link, disable_false_link and parallel_detect */
  3291. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3292. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3293. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3294. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3295. ((val | 0x0006) & 0xFFFE));
  3296. /* Set XFI / SFI */
  3297. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3299. misc1_val &= ~(0x1f);
  3300. if (is_xfi) {
  3301. misc1_val |= 0x5;
  3302. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3303. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3304. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3305. tx_driver_val =
  3306. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3307. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3308. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3309. } else {
  3310. misc1_val |= 0x9;
  3311. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3312. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3313. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3314. tx_driver_val =
  3315. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3316. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3317. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3318. }
  3319. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3320. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3321. /* Set Transmit PMD settings */
  3322. lane = bnx2x_get_warpcore_lane(phy, params);
  3323. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3324. MDIO_WC_REG_TX_FIR_TAP,
  3325. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3326. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3327. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3328. tx_driver_val);
  3329. /* Enable fiber mode, enable and invert sig_det */
  3330. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3331. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3332. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3333. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3335. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3336. /* 10G XFI Full Duplex */
  3337. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3338. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3339. /* Release tx_fifo_reset */
  3340. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3341. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3342. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3343. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3344. /* Release rxSeqStart */
  3345. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3346. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3347. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3348. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3349. }
  3350. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3351. struct bnx2x_phy *phy)
  3352. {
  3353. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3354. }
  3355. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3356. struct bnx2x_phy *phy,
  3357. u16 lane)
  3358. {
  3359. /* Rx0 anaRxControl1G */
  3360. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3362. /* Rx2 anaRxControl1G */
  3363. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3364. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3365. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3367. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3371. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3372. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3373. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3374. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3375. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3376. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3377. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3378. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3379. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3381. /* Serdes Digital Misc1 */
  3382. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3383. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3384. /* Serdes Digital4 Misc3 */
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3387. /* Set Transmit PMD settings */
  3388. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3389. MDIO_WC_REG_TX_FIR_TAP,
  3390. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3391. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3392. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3393. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3394. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3395. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3396. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3397. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3398. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3399. }
  3400. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3401. struct link_params *params,
  3402. u8 fiber_mode,
  3403. u8 always_autoneg)
  3404. {
  3405. struct bnx2x *bp = params->bp;
  3406. u16 val16, digctrl_kx1, digctrl_kx2;
  3407. /* Clear XFI clock comp in non-10G single lane mode. */
  3408. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_RX66_CONTROL, &val16);
  3410. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3411. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3412. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3413. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3414. /* SGMII Autoneg */
  3415. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3416. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3417. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3419. val16 | 0x1000);
  3420. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3421. } else {
  3422. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3423. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3424. val16 &= 0xcebf;
  3425. switch (phy->req_line_speed) {
  3426. case SPEED_10:
  3427. break;
  3428. case SPEED_100:
  3429. val16 |= 0x2000;
  3430. break;
  3431. case SPEED_1000:
  3432. val16 |= 0x0040;
  3433. break;
  3434. default:
  3435. DP(NETIF_MSG_LINK,
  3436. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3437. return;
  3438. }
  3439. if (phy->req_duplex == DUPLEX_FULL)
  3440. val16 |= 0x0100;
  3441. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3442. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3443. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3444. phy->req_line_speed);
  3445. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3446. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3447. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3448. }
  3449. /* SGMII Slave mode and disable signal detect */
  3450. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3451. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3452. if (fiber_mode)
  3453. digctrl_kx1 = 1;
  3454. else
  3455. digctrl_kx1 &= 0xff4a;
  3456. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3458. digctrl_kx1);
  3459. /* Turn off parallel detect */
  3460. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3461. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3462. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3463. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3464. (digctrl_kx2 & ~(1<<2)));
  3465. /* Re-enable parallel detect */
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3468. (digctrl_kx2 | (1<<2)));
  3469. /* Enable autodet */
  3470. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3472. (digctrl_kx1 | 0x10));
  3473. }
  3474. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3475. struct bnx2x_phy *phy,
  3476. u8 reset)
  3477. {
  3478. u16 val;
  3479. /* Take lane out of reset after configuration is finished */
  3480. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3482. if (reset)
  3483. val |= 0xC000;
  3484. else
  3485. val &= 0x3FFF;
  3486. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3488. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3489. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3490. }
  3491. /* Clear SFI/XFI link settings registers */
  3492. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3493. struct link_params *params,
  3494. u16 lane)
  3495. {
  3496. struct bnx2x *bp = params->bp;
  3497. u16 i;
  3498. static struct bnx2x_reg_set wc_regs[] = {
  3499. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3500. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3501. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3502. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3503. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3504. 0x0195},
  3505. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3506. 0x0007},
  3507. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3508. 0x0002},
  3509. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3510. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3511. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3512. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3513. };
  3514. /* Set XFI clock comp as default. */
  3515. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3517. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3518. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3519. wc_regs[i].val);
  3520. lane = bnx2x_get_warpcore_lane(phy, params);
  3521. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3522. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3523. }
  3524. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3525. u32 chip_id,
  3526. u32 shmem_base, u8 port,
  3527. u8 *gpio_num, u8 *gpio_port)
  3528. {
  3529. u32 cfg_pin;
  3530. *gpio_num = 0;
  3531. *gpio_port = 0;
  3532. if (CHIP_IS_E3(bp)) {
  3533. cfg_pin = (REG_RD(bp, shmem_base +
  3534. offsetof(struct shmem_region,
  3535. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3536. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3537. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3538. /* Should not happen. This function called upon interrupt
  3539. * triggered by GPIO ( since EPIO can only generate interrupts
  3540. * to MCP).
  3541. * So if this function was called and none of the GPIOs was set,
  3542. * it means the shit hit the fan.
  3543. */
  3544. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3545. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3546. DP(NETIF_MSG_LINK,
  3547. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3548. cfg_pin);
  3549. return -EINVAL;
  3550. }
  3551. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3552. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3553. } else {
  3554. *gpio_num = MISC_REGISTERS_GPIO_3;
  3555. *gpio_port = port;
  3556. }
  3557. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3558. return 0;
  3559. }
  3560. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3561. struct link_params *params)
  3562. {
  3563. struct bnx2x *bp = params->bp;
  3564. u8 gpio_num, gpio_port;
  3565. u32 gpio_val;
  3566. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3567. params->shmem_base, params->port,
  3568. &gpio_num, &gpio_port) != 0)
  3569. return 0;
  3570. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3571. /* Call the handling function in case module is detected */
  3572. if (gpio_val == 0)
  3573. return 1;
  3574. else
  3575. return 0;
  3576. }
  3577. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3578. struct link_params *params)
  3579. {
  3580. u16 gp2_status_reg0, lane;
  3581. struct bnx2x *bp = params->bp;
  3582. lane = bnx2x_get_warpcore_lane(phy, params);
  3583. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3584. &gp2_status_reg0);
  3585. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3586. }
  3587. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3588. struct link_params *params,
  3589. struct link_vars *vars)
  3590. {
  3591. struct bnx2x *bp = params->bp;
  3592. u32 serdes_net_if;
  3593. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3594. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3595. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3596. if (!vars->turn_to_run_wc_rt)
  3597. return;
  3598. /* Return if there is no link partner */
  3599. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3600. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3601. return;
  3602. }
  3603. if (vars->rx_tx_asic_rst) {
  3604. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3605. offsetof(struct shmem_region, dev_info.
  3606. port_hw_config[params->port].default_cfg)) &
  3607. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3608. switch (serdes_net_if) {
  3609. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3610. /* Do we get link yet? */
  3611. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3612. &gp_status1);
  3613. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3614. /*10G KR*/
  3615. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3616. DP(NETIF_MSG_LINK,
  3617. "gp_status1 0x%x\n", gp_status1);
  3618. if (lnkup_kr || lnkup) {
  3619. vars->rx_tx_asic_rst = 0;
  3620. DP(NETIF_MSG_LINK,
  3621. "link up, rx_tx_asic_rst 0x%x\n",
  3622. vars->rx_tx_asic_rst);
  3623. } else {
  3624. /* Reset the lane to see if link comes up.*/
  3625. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3626. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3627. /* Restart Autoneg */
  3628. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3629. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3630. vars->rx_tx_asic_rst--;
  3631. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3632. vars->rx_tx_asic_rst);
  3633. }
  3634. break;
  3635. default:
  3636. break;
  3637. }
  3638. } /*params->rx_tx_asic_rst*/
  3639. }
  3640. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3641. struct link_params *params)
  3642. {
  3643. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3644. struct bnx2x *bp = params->bp;
  3645. bnx2x_warpcore_clear_regs(phy, params, lane);
  3646. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3647. SPEED_10000) &&
  3648. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3649. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3650. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3651. } else {
  3652. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3653. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3654. }
  3655. }
  3656. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3657. struct link_params *params,
  3658. struct link_vars *vars)
  3659. {
  3660. struct bnx2x *bp = params->bp;
  3661. u32 serdes_net_if;
  3662. u8 fiber_mode;
  3663. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3664. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3665. offsetof(struct shmem_region, dev_info.
  3666. port_hw_config[params->port].default_cfg)) &
  3667. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3668. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3669. "serdes_net_if = 0x%x\n",
  3670. vars->line_speed, serdes_net_if);
  3671. bnx2x_set_aer_mmd(params, phy);
  3672. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3673. vars->phy_flags |= PHY_XGXS_FLAG;
  3674. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3675. (phy->req_line_speed &&
  3676. ((phy->req_line_speed == SPEED_100) ||
  3677. (phy->req_line_speed == SPEED_10)))) {
  3678. vars->phy_flags |= PHY_SGMII_FLAG;
  3679. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3680. bnx2x_warpcore_clear_regs(phy, params, lane);
  3681. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3682. } else {
  3683. switch (serdes_net_if) {
  3684. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3685. /* Enable KR Auto Neg */
  3686. if (params->loopback_mode != LOOPBACK_EXT)
  3687. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3688. else {
  3689. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3690. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3691. }
  3692. break;
  3693. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3694. bnx2x_warpcore_clear_regs(phy, params, lane);
  3695. if (vars->line_speed == SPEED_10000) {
  3696. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3697. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3698. } else {
  3699. if (SINGLE_MEDIA_DIRECT(params)) {
  3700. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3701. fiber_mode = 1;
  3702. } else {
  3703. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3704. fiber_mode = 0;
  3705. }
  3706. bnx2x_warpcore_set_sgmii_speed(phy,
  3707. params,
  3708. fiber_mode,
  3709. 0);
  3710. }
  3711. break;
  3712. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3713. /* Issue Module detection */
  3714. if (bnx2x_is_sfp_module_plugged(phy, params))
  3715. bnx2x_sfp_module_detection(phy, params);
  3716. bnx2x_warpcore_config_sfi(phy, params);
  3717. break;
  3718. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3719. if (vars->line_speed != SPEED_20000) {
  3720. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3721. return;
  3722. }
  3723. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3724. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3725. /* Issue Module detection */
  3726. bnx2x_sfp_module_detection(phy, params);
  3727. break;
  3728. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  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 KR2\n");
  3734. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3735. break;
  3736. default:
  3737. DP(NETIF_MSG_LINK,
  3738. "Unsupported Serdes Net Interface 0x%x\n",
  3739. serdes_net_if);
  3740. return;
  3741. }
  3742. }
  3743. /* Take lane out of reset after configuration is finished */
  3744. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3745. DP(NETIF_MSG_LINK, "Exit config init\n");
  3746. }
  3747. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3748. struct bnx2x_phy *phy,
  3749. u8 tx_en)
  3750. {
  3751. struct bnx2x *bp = params->bp;
  3752. u32 cfg_pin;
  3753. u8 port = params->port;
  3754. cfg_pin = REG_RD(bp, params->shmem_base +
  3755. offsetof(struct shmem_region,
  3756. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3757. PORT_HW_CFG_TX_LASER_MASK;
  3758. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3759. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3760. /* For 20G, the expected pin to be used is 3 pins after the current */
  3761. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3762. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3763. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3764. }
  3765. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3766. struct link_params *params)
  3767. {
  3768. struct bnx2x *bp = params->bp;
  3769. u16 val16;
  3770. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3771. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3772. bnx2x_set_aer_mmd(params, phy);
  3773. /* Global register */
  3774. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3775. /* Clear loopback settings (if any) */
  3776. /* 10G & 20G */
  3777. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3778. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3779. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3780. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3781. 0xBFFF);
  3782. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3783. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3784. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3785. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3786. /* Update those 1-copy registers */
  3787. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3788. MDIO_AER_BLOCK_AER_REG, 0);
  3789. /* Enable 1G MDIO (1-copy) */
  3790. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3791. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3792. &val16);
  3793. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3794. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3795. val16 & ~0x10);
  3796. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3797. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3798. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3799. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3800. val16 & 0xff00);
  3801. }
  3802. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3803. struct link_params *params)
  3804. {
  3805. struct bnx2x *bp = params->bp;
  3806. u16 val16;
  3807. u32 lane;
  3808. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3809. params->loopback_mode, phy->req_line_speed);
  3810. if (phy->req_line_speed < SPEED_10000) {
  3811. /* 10/100/1000 */
  3812. /* Update those 1-copy registers */
  3813. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3814. MDIO_AER_BLOCK_AER_REG, 0);
  3815. /* Enable 1G MDIO (1-copy) */
  3816. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3817. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3818. 0x10);
  3819. /* Set 1G loopback based on lane (1-copy) */
  3820. lane = bnx2x_get_warpcore_lane(phy, params);
  3821. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3822. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3823. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3824. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3825. val16 | (1<<lane));
  3826. /* Switch back to 4-copy registers */
  3827. bnx2x_set_aer_mmd(params, phy);
  3828. } else {
  3829. /* 10G & 20G */
  3830. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3831. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3832. 0x4000);
  3833. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3834. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  3835. }
  3836. }
  3837. static void bnx2x_sync_link(struct link_params *params,
  3838. struct link_vars *vars)
  3839. {
  3840. struct bnx2x *bp = params->bp;
  3841. u8 link_10g_plus;
  3842. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3843. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3844. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3845. if (vars->link_up) {
  3846. DP(NETIF_MSG_LINK, "phy link up\n");
  3847. vars->phy_link_up = 1;
  3848. vars->duplex = DUPLEX_FULL;
  3849. switch (vars->link_status &
  3850. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3851. case LINK_10THD:
  3852. vars->duplex = DUPLEX_HALF;
  3853. /* Fall thru */
  3854. case LINK_10TFD:
  3855. vars->line_speed = SPEED_10;
  3856. break;
  3857. case LINK_100TXHD:
  3858. vars->duplex = DUPLEX_HALF;
  3859. /* Fall thru */
  3860. case LINK_100T4:
  3861. case LINK_100TXFD:
  3862. vars->line_speed = SPEED_100;
  3863. break;
  3864. case LINK_1000THD:
  3865. vars->duplex = DUPLEX_HALF;
  3866. /* Fall thru */
  3867. case LINK_1000TFD:
  3868. vars->line_speed = SPEED_1000;
  3869. break;
  3870. case LINK_2500THD:
  3871. vars->duplex = DUPLEX_HALF;
  3872. /* Fall thru */
  3873. case LINK_2500TFD:
  3874. vars->line_speed = SPEED_2500;
  3875. break;
  3876. case LINK_10GTFD:
  3877. vars->line_speed = SPEED_10000;
  3878. break;
  3879. case LINK_20GTFD:
  3880. vars->line_speed = SPEED_20000;
  3881. break;
  3882. default:
  3883. break;
  3884. }
  3885. vars->flow_ctrl = 0;
  3886. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3887. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3888. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3889. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3890. if (!vars->flow_ctrl)
  3891. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3892. if (vars->line_speed &&
  3893. ((vars->line_speed == SPEED_10) ||
  3894. (vars->line_speed == SPEED_100))) {
  3895. vars->phy_flags |= PHY_SGMII_FLAG;
  3896. } else {
  3897. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3898. }
  3899. if (vars->line_speed &&
  3900. USES_WARPCORE(bp) &&
  3901. (vars->line_speed == SPEED_1000))
  3902. vars->phy_flags |= PHY_SGMII_FLAG;
  3903. /* Anything 10 and over uses the bmac */
  3904. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3905. if (link_10g_plus) {
  3906. if (USES_WARPCORE(bp))
  3907. vars->mac_type = MAC_TYPE_XMAC;
  3908. else
  3909. vars->mac_type = MAC_TYPE_BMAC;
  3910. } else {
  3911. if (USES_WARPCORE(bp))
  3912. vars->mac_type = MAC_TYPE_UMAC;
  3913. else
  3914. vars->mac_type = MAC_TYPE_EMAC;
  3915. }
  3916. } else { /* Link down */
  3917. DP(NETIF_MSG_LINK, "phy link down\n");
  3918. vars->phy_link_up = 0;
  3919. vars->line_speed = 0;
  3920. vars->duplex = DUPLEX_FULL;
  3921. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3922. /* Indicate no mac active */
  3923. vars->mac_type = MAC_TYPE_NONE;
  3924. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3925. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3926. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  3927. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  3928. }
  3929. }
  3930. void bnx2x_link_status_update(struct link_params *params,
  3931. struct link_vars *vars)
  3932. {
  3933. struct bnx2x *bp = params->bp;
  3934. u8 port = params->port;
  3935. u32 sync_offset, media_types;
  3936. /* Update PHY configuration */
  3937. set_phy_vars(params, vars);
  3938. vars->link_status = REG_RD(bp, params->shmem_base +
  3939. offsetof(struct shmem_region,
  3940. port_mb[port].link_status));
  3941. if (bnx2x_eee_has_cap(params))
  3942. vars->eee_status = REG_RD(bp, params->shmem2_base +
  3943. offsetof(struct shmem2_region,
  3944. eee_status[params->port]));
  3945. vars->phy_flags = PHY_XGXS_FLAG;
  3946. bnx2x_sync_link(params, vars);
  3947. /* Sync media type */
  3948. sync_offset = params->shmem_base +
  3949. offsetof(struct shmem_region,
  3950. dev_info.port_hw_config[port].media_type);
  3951. media_types = REG_RD(bp, sync_offset);
  3952. params->phy[INT_PHY].media_type =
  3953. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3954. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3955. params->phy[EXT_PHY1].media_type =
  3956. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3957. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3958. params->phy[EXT_PHY2].media_type =
  3959. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  3960. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  3961. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  3962. /* Sync AEU offset */
  3963. sync_offset = params->shmem_base +
  3964. offsetof(struct shmem_region,
  3965. dev_info.port_hw_config[port].aeu_int_mask);
  3966. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  3967. /* Sync PFC status */
  3968. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  3969. params->feature_config_flags |=
  3970. FEATURE_CONFIG_PFC_ENABLED;
  3971. else
  3972. params->feature_config_flags &=
  3973. ~FEATURE_CONFIG_PFC_ENABLED;
  3974. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  3975. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  3976. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  3977. vars->line_speed, vars->duplex, vars->flow_ctrl);
  3978. }
  3979. static void bnx2x_set_master_ln(struct link_params *params,
  3980. struct bnx2x_phy *phy)
  3981. {
  3982. struct bnx2x *bp = params->bp;
  3983. u16 new_master_ln, ser_lane;
  3984. ser_lane = ((params->lane_config &
  3985. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  3986. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  3987. /* Set the master_ln for AN */
  3988. CL22_RD_OVER_CL45(bp, phy,
  3989. MDIO_REG_BANK_XGXS_BLOCK2,
  3990. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3991. &new_master_ln);
  3992. CL22_WR_OVER_CL45(bp, phy,
  3993. MDIO_REG_BANK_XGXS_BLOCK2 ,
  3994. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  3995. (new_master_ln | ser_lane));
  3996. }
  3997. static int bnx2x_reset_unicore(struct link_params *params,
  3998. struct bnx2x_phy *phy,
  3999. u8 set_serdes)
  4000. {
  4001. struct bnx2x *bp = params->bp;
  4002. u16 mii_control;
  4003. u16 i;
  4004. CL22_RD_OVER_CL45(bp, phy,
  4005. MDIO_REG_BANK_COMBO_IEEE0,
  4006. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4007. /* Reset the unicore */
  4008. CL22_WR_OVER_CL45(bp, phy,
  4009. MDIO_REG_BANK_COMBO_IEEE0,
  4010. MDIO_COMBO_IEEE0_MII_CONTROL,
  4011. (mii_control |
  4012. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4013. if (set_serdes)
  4014. bnx2x_set_serdes_access(bp, params->port);
  4015. /* Wait for the reset to self clear */
  4016. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4017. udelay(5);
  4018. /* The reset erased the previous bank value */
  4019. CL22_RD_OVER_CL45(bp, phy,
  4020. MDIO_REG_BANK_COMBO_IEEE0,
  4021. MDIO_COMBO_IEEE0_MII_CONTROL,
  4022. &mii_control);
  4023. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4024. udelay(5);
  4025. return 0;
  4026. }
  4027. }
  4028. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4029. " Port %d\n",
  4030. params->port);
  4031. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4032. return -EINVAL;
  4033. }
  4034. static void bnx2x_set_swap_lanes(struct link_params *params,
  4035. struct bnx2x_phy *phy)
  4036. {
  4037. struct bnx2x *bp = params->bp;
  4038. /* Each two bits represents a lane number:
  4039. * No swap is 0123 => 0x1b no need to enable the swap
  4040. */
  4041. u16 rx_lane_swap, tx_lane_swap;
  4042. rx_lane_swap = ((params->lane_config &
  4043. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4044. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4045. tx_lane_swap = ((params->lane_config &
  4046. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4047. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4048. if (rx_lane_swap != 0x1b) {
  4049. CL22_WR_OVER_CL45(bp, phy,
  4050. MDIO_REG_BANK_XGXS_BLOCK2,
  4051. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4052. (rx_lane_swap |
  4053. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4054. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4055. } else {
  4056. CL22_WR_OVER_CL45(bp, phy,
  4057. MDIO_REG_BANK_XGXS_BLOCK2,
  4058. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4059. }
  4060. if (tx_lane_swap != 0x1b) {
  4061. CL22_WR_OVER_CL45(bp, phy,
  4062. MDIO_REG_BANK_XGXS_BLOCK2,
  4063. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4064. (tx_lane_swap |
  4065. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4066. } else {
  4067. CL22_WR_OVER_CL45(bp, phy,
  4068. MDIO_REG_BANK_XGXS_BLOCK2,
  4069. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4070. }
  4071. }
  4072. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4073. struct link_params *params)
  4074. {
  4075. struct bnx2x *bp = params->bp;
  4076. u16 control2;
  4077. CL22_RD_OVER_CL45(bp, phy,
  4078. MDIO_REG_BANK_SERDES_DIGITAL,
  4079. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4080. &control2);
  4081. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4082. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4083. else
  4084. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4085. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4086. phy->speed_cap_mask, control2);
  4087. CL22_WR_OVER_CL45(bp, phy,
  4088. MDIO_REG_BANK_SERDES_DIGITAL,
  4089. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4090. control2);
  4091. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4092. (phy->speed_cap_mask &
  4093. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4094. DP(NETIF_MSG_LINK, "XGXS\n");
  4095. CL22_WR_OVER_CL45(bp, phy,
  4096. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4097. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4098. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4099. CL22_RD_OVER_CL45(bp, phy,
  4100. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4101. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4102. &control2);
  4103. control2 |=
  4104. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4105. CL22_WR_OVER_CL45(bp, phy,
  4106. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4107. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4108. control2);
  4109. /* Disable parallel detection of HiG */
  4110. CL22_WR_OVER_CL45(bp, phy,
  4111. MDIO_REG_BANK_XGXS_BLOCK2,
  4112. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4113. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4114. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4115. }
  4116. }
  4117. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4118. struct link_params *params,
  4119. struct link_vars *vars,
  4120. u8 enable_cl73)
  4121. {
  4122. struct bnx2x *bp = params->bp;
  4123. u16 reg_val;
  4124. /* CL37 Autoneg */
  4125. CL22_RD_OVER_CL45(bp, phy,
  4126. MDIO_REG_BANK_COMBO_IEEE0,
  4127. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4128. /* CL37 Autoneg Enabled */
  4129. if (vars->line_speed == SPEED_AUTO_NEG)
  4130. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4131. else /* CL37 Autoneg Disabled */
  4132. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4133. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4134. CL22_WR_OVER_CL45(bp, phy,
  4135. MDIO_REG_BANK_COMBO_IEEE0,
  4136. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4137. /* Enable/Disable Autodetection */
  4138. CL22_RD_OVER_CL45(bp, phy,
  4139. MDIO_REG_BANK_SERDES_DIGITAL,
  4140. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4141. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4142. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4143. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4144. if (vars->line_speed == SPEED_AUTO_NEG)
  4145. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4146. else
  4147. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4148. CL22_WR_OVER_CL45(bp, phy,
  4149. MDIO_REG_BANK_SERDES_DIGITAL,
  4150. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4151. /* Enable TetonII and BAM autoneg */
  4152. CL22_RD_OVER_CL45(bp, phy,
  4153. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4154. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4155. &reg_val);
  4156. if (vars->line_speed == SPEED_AUTO_NEG) {
  4157. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4158. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4159. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4160. } else {
  4161. /* TetonII and BAM Autoneg Disabled */
  4162. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4163. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4164. }
  4165. CL22_WR_OVER_CL45(bp, phy,
  4166. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4167. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4168. reg_val);
  4169. if (enable_cl73) {
  4170. /* Enable Cl73 FSM status bits */
  4171. CL22_WR_OVER_CL45(bp, phy,
  4172. MDIO_REG_BANK_CL73_USERB0,
  4173. MDIO_CL73_USERB0_CL73_UCTRL,
  4174. 0xe);
  4175. /* Enable BAM Station Manager*/
  4176. CL22_WR_OVER_CL45(bp, phy,
  4177. MDIO_REG_BANK_CL73_USERB0,
  4178. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4179. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4180. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4181. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4182. /* Advertise CL73 link speeds */
  4183. CL22_RD_OVER_CL45(bp, phy,
  4184. MDIO_REG_BANK_CL73_IEEEB1,
  4185. MDIO_CL73_IEEEB1_AN_ADV2,
  4186. &reg_val);
  4187. if (phy->speed_cap_mask &
  4188. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4189. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4190. if (phy->speed_cap_mask &
  4191. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4192. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4193. CL22_WR_OVER_CL45(bp, phy,
  4194. MDIO_REG_BANK_CL73_IEEEB1,
  4195. MDIO_CL73_IEEEB1_AN_ADV2,
  4196. reg_val);
  4197. /* CL73 Autoneg Enabled */
  4198. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4199. } else /* CL73 Autoneg Disabled */
  4200. reg_val = 0;
  4201. CL22_WR_OVER_CL45(bp, phy,
  4202. MDIO_REG_BANK_CL73_IEEEB0,
  4203. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4204. }
  4205. /* Program SerDes, forced speed */
  4206. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4207. struct link_params *params,
  4208. struct link_vars *vars)
  4209. {
  4210. struct bnx2x *bp = params->bp;
  4211. u16 reg_val;
  4212. /* Program duplex, disable autoneg and sgmii*/
  4213. CL22_RD_OVER_CL45(bp, phy,
  4214. MDIO_REG_BANK_COMBO_IEEE0,
  4215. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4216. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4217. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4218. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4219. if (phy->req_duplex == DUPLEX_FULL)
  4220. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4221. CL22_WR_OVER_CL45(bp, phy,
  4222. MDIO_REG_BANK_COMBO_IEEE0,
  4223. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4224. /* Program speed
  4225. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4226. */
  4227. CL22_RD_OVER_CL45(bp, phy,
  4228. MDIO_REG_BANK_SERDES_DIGITAL,
  4229. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4230. /* Clearing the speed value before setting the right speed */
  4231. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4232. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4233. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4234. if (!((vars->line_speed == SPEED_1000) ||
  4235. (vars->line_speed == SPEED_100) ||
  4236. (vars->line_speed == SPEED_10))) {
  4237. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4238. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4239. if (vars->line_speed == SPEED_10000)
  4240. reg_val |=
  4241. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4242. }
  4243. CL22_WR_OVER_CL45(bp, phy,
  4244. MDIO_REG_BANK_SERDES_DIGITAL,
  4245. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4246. }
  4247. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4248. struct link_params *params)
  4249. {
  4250. struct bnx2x *bp = params->bp;
  4251. u16 val = 0;
  4252. /* Set extended capabilities */
  4253. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4254. val |= MDIO_OVER_1G_UP1_2_5G;
  4255. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4256. val |= MDIO_OVER_1G_UP1_10G;
  4257. CL22_WR_OVER_CL45(bp, phy,
  4258. MDIO_REG_BANK_OVER_1G,
  4259. MDIO_OVER_1G_UP1, val);
  4260. CL22_WR_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_OVER_1G,
  4262. MDIO_OVER_1G_UP3, 0x400);
  4263. }
  4264. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4265. struct link_params *params,
  4266. u16 ieee_fc)
  4267. {
  4268. struct bnx2x *bp = params->bp;
  4269. u16 val;
  4270. /* For AN, we are always publishing full duplex */
  4271. CL22_WR_OVER_CL45(bp, phy,
  4272. MDIO_REG_BANK_COMBO_IEEE0,
  4273. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4274. CL22_RD_OVER_CL45(bp, phy,
  4275. MDIO_REG_BANK_CL73_IEEEB1,
  4276. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4277. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4278. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4279. CL22_WR_OVER_CL45(bp, phy,
  4280. MDIO_REG_BANK_CL73_IEEEB1,
  4281. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4282. }
  4283. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4284. struct link_params *params,
  4285. u8 enable_cl73)
  4286. {
  4287. struct bnx2x *bp = params->bp;
  4288. u16 mii_control;
  4289. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4290. /* Enable and restart BAM/CL37 aneg */
  4291. if (enable_cl73) {
  4292. CL22_RD_OVER_CL45(bp, phy,
  4293. MDIO_REG_BANK_CL73_IEEEB0,
  4294. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4295. &mii_control);
  4296. CL22_WR_OVER_CL45(bp, phy,
  4297. MDIO_REG_BANK_CL73_IEEEB0,
  4298. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4299. (mii_control |
  4300. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4301. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4302. } else {
  4303. CL22_RD_OVER_CL45(bp, phy,
  4304. MDIO_REG_BANK_COMBO_IEEE0,
  4305. MDIO_COMBO_IEEE0_MII_CONTROL,
  4306. &mii_control);
  4307. DP(NETIF_MSG_LINK,
  4308. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4309. mii_control);
  4310. CL22_WR_OVER_CL45(bp, phy,
  4311. MDIO_REG_BANK_COMBO_IEEE0,
  4312. MDIO_COMBO_IEEE0_MII_CONTROL,
  4313. (mii_control |
  4314. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4315. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4316. }
  4317. }
  4318. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4319. struct link_params *params,
  4320. struct link_vars *vars)
  4321. {
  4322. struct bnx2x *bp = params->bp;
  4323. u16 control1;
  4324. /* In SGMII mode, the unicore is always slave */
  4325. CL22_RD_OVER_CL45(bp, phy,
  4326. MDIO_REG_BANK_SERDES_DIGITAL,
  4327. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4328. &control1);
  4329. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4330. /* Set sgmii mode (and not fiber) */
  4331. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4332. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4333. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4334. CL22_WR_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_SERDES_DIGITAL,
  4336. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4337. control1);
  4338. /* If forced speed */
  4339. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4340. /* Set speed, disable autoneg */
  4341. u16 mii_control;
  4342. CL22_RD_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_COMBO_IEEE0,
  4344. MDIO_COMBO_IEEE0_MII_CONTROL,
  4345. &mii_control);
  4346. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4347. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4348. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4349. switch (vars->line_speed) {
  4350. case SPEED_100:
  4351. mii_control |=
  4352. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4353. break;
  4354. case SPEED_1000:
  4355. mii_control |=
  4356. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4357. break;
  4358. case SPEED_10:
  4359. /* There is nothing to set for 10M */
  4360. break;
  4361. default:
  4362. /* Invalid speed for SGMII */
  4363. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4364. vars->line_speed);
  4365. break;
  4366. }
  4367. /* Setting the full duplex */
  4368. if (phy->req_duplex == DUPLEX_FULL)
  4369. mii_control |=
  4370. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4371. CL22_WR_OVER_CL45(bp, phy,
  4372. MDIO_REG_BANK_COMBO_IEEE0,
  4373. MDIO_COMBO_IEEE0_MII_CONTROL,
  4374. mii_control);
  4375. } else { /* AN mode */
  4376. /* Enable and restart AN */
  4377. bnx2x_restart_autoneg(phy, params, 0);
  4378. }
  4379. }
  4380. /* Link management
  4381. */
  4382. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4383. struct link_params *params)
  4384. {
  4385. struct bnx2x *bp = params->bp;
  4386. u16 pd_10g, status2_1000x;
  4387. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4388. return 0;
  4389. CL22_RD_OVER_CL45(bp, phy,
  4390. MDIO_REG_BANK_SERDES_DIGITAL,
  4391. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4392. &status2_1000x);
  4393. CL22_RD_OVER_CL45(bp, phy,
  4394. MDIO_REG_BANK_SERDES_DIGITAL,
  4395. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4396. &status2_1000x);
  4397. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4398. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4399. params->port);
  4400. return 1;
  4401. }
  4402. CL22_RD_OVER_CL45(bp, phy,
  4403. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4404. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4405. &pd_10g);
  4406. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4407. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4408. params->port);
  4409. return 1;
  4410. }
  4411. return 0;
  4412. }
  4413. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4414. struct link_params *params,
  4415. struct link_vars *vars,
  4416. u32 gp_status)
  4417. {
  4418. u16 ld_pause; /* local driver */
  4419. u16 lp_pause; /* link partner */
  4420. u16 pause_result;
  4421. struct bnx2x *bp = params->bp;
  4422. if ((gp_status &
  4423. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4424. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4425. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4426. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4427. CL22_RD_OVER_CL45(bp, phy,
  4428. MDIO_REG_BANK_CL73_IEEEB1,
  4429. MDIO_CL73_IEEEB1_AN_ADV1,
  4430. &ld_pause);
  4431. CL22_RD_OVER_CL45(bp, phy,
  4432. MDIO_REG_BANK_CL73_IEEEB1,
  4433. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4434. &lp_pause);
  4435. pause_result = (ld_pause &
  4436. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4437. pause_result |= (lp_pause &
  4438. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4439. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4440. } else {
  4441. CL22_RD_OVER_CL45(bp, phy,
  4442. MDIO_REG_BANK_COMBO_IEEE0,
  4443. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4444. &ld_pause);
  4445. CL22_RD_OVER_CL45(bp, phy,
  4446. MDIO_REG_BANK_COMBO_IEEE0,
  4447. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4448. &lp_pause);
  4449. pause_result = (ld_pause &
  4450. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4451. pause_result |= (lp_pause &
  4452. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4453. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4454. }
  4455. bnx2x_pause_resolve(vars, pause_result);
  4456. }
  4457. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4458. struct link_params *params,
  4459. struct link_vars *vars,
  4460. u32 gp_status)
  4461. {
  4462. struct bnx2x *bp = params->bp;
  4463. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4464. /* Resolve from gp_status in case of AN complete and not sgmii */
  4465. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4466. /* Update the advertised flow-controled of LD/LP in AN */
  4467. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4468. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4469. /* But set the flow-control result as the requested one */
  4470. vars->flow_ctrl = phy->req_flow_ctrl;
  4471. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4472. vars->flow_ctrl = params->req_fc_auto_adv;
  4473. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4474. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4475. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4476. vars->flow_ctrl = params->req_fc_auto_adv;
  4477. return;
  4478. }
  4479. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4480. }
  4481. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4482. }
  4483. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4484. struct link_params *params)
  4485. {
  4486. struct bnx2x *bp = params->bp;
  4487. u16 rx_status, ustat_val, cl37_fsm_received;
  4488. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4489. /* Step 1: Make sure signal is detected */
  4490. CL22_RD_OVER_CL45(bp, phy,
  4491. MDIO_REG_BANK_RX0,
  4492. MDIO_RX0_RX_STATUS,
  4493. &rx_status);
  4494. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4495. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4496. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4497. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4498. CL22_WR_OVER_CL45(bp, phy,
  4499. MDIO_REG_BANK_CL73_IEEEB0,
  4500. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4501. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4502. return;
  4503. }
  4504. /* Step 2: Check CL73 state machine */
  4505. CL22_RD_OVER_CL45(bp, phy,
  4506. MDIO_REG_BANK_CL73_USERB0,
  4507. MDIO_CL73_USERB0_CL73_USTAT1,
  4508. &ustat_val);
  4509. if ((ustat_val &
  4510. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4511. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4512. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4513. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4514. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4515. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4516. return;
  4517. }
  4518. /* Step 3: Check CL37 Message Pages received to indicate LP
  4519. * supports only CL37
  4520. */
  4521. CL22_RD_OVER_CL45(bp, phy,
  4522. MDIO_REG_BANK_REMOTE_PHY,
  4523. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4524. &cl37_fsm_received);
  4525. if ((cl37_fsm_received &
  4526. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4527. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4528. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4529. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4530. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4531. "misc_rx_status(0x8330) = 0x%x\n",
  4532. cl37_fsm_received);
  4533. return;
  4534. }
  4535. /* The combined cl37/cl73 fsm state information indicating that
  4536. * we are connected to a device which does not support cl73, but
  4537. * does support cl37 BAM. In this case we disable cl73 and
  4538. * restart cl37 auto-neg
  4539. */
  4540. /* Disable CL73 */
  4541. CL22_WR_OVER_CL45(bp, phy,
  4542. MDIO_REG_BANK_CL73_IEEEB0,
  4543. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4544. 0);
  4545. /* Restart CL37 autoneg */
  4546. bnx2x_restart_autoneg(phy, params, 0);
  4547. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4548. }
  4549. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4550. struct link_params *params,
  4551. struct link_vars *vars,
  4552. u32 gp_status)
  4553. {
  4554. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4555. vars->link_status |=
  4556. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4557. if (bnx2x_direct_parallel_detect_used(phy, params))
  4558. vars->link_status |=
  4559. LINK_STATUS_PARALLEL_DETECTION_USED;
  4560. }
  4561. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4562. struct link_params *params,
  4563. struct link_vars *vars,
  4564. u16 is_link_up,
  4565. u16 speed_mask,
  4566. u16 is_duplex)
  4567. {
  4568. struct bnx2x *bp = params->bp;
  4569. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4570. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4571. if (is_link_up) {
  4572. DP(NETIF_MSG_LINK, "phy link up\n");
  4573. vars->phy_link_up = 1;
  4574. vars->link_status |= LINK_STATUS_LINK_UP;
  4575. switch (speed_mask) {
  4576. case GP_STATUS_10M:
  4577. vars->line_speed = SPEED_10;
  4578. if (is_duplex == DUPLEX_FULL)
  4579. vars->link_status |= LINK_10TFD;
  4580. else
  4581. vars->link_status |= LINK_10THD;
  4582. break;
  4583. case GP_STATUS_100M:
  4584. vars->line_speed = SPEED_100;
  4585. if (is_duplex == DUPLEX_FULL)
  4586. vars->link_status |= LINK_100TXFD;
  4587. else
  4588. vars->link_status |= LINK_100TXHD;
  4589. break;
  4590. case GP_STATUS_1G:
  4591. case GP_STATUS_1G_KX:
  4592. vars->line_speed = SPEED_1000;
  4593. if (is_duplex == DUPLEX_FULL)
  4594. vars->link_status |= LINK_1000TFD;
  4595. else
  4596. vars->link_status |= LINK_1000THD;
  4597. break;
  4598. case GP_STATUS_2_5G:
  4599. vars->line_speed = SPEED_2500;
  4600. if (is_duplex == DUPLEX_FULL)
  4601. vars->link_status |= LINK_2500TFD;
  4602. else
  4603. vars->link_status |= LINK_2500THD;
  4604. break;
  4605. case GP_STATUS_5G:
  4606. case GP_STATUS_6G:
  4607. DP(NETIF_MSG_LINK,
  4608. "link speed unsupported gp_status 0x%x\n",
  4609. speed_mask);
  4610. return -EINVAL;
  4611. case GP_STATUS_10G_KX4:
  4612. case GP_STATUS_10G_HIG:
  4613. case GP_STATUS_10G_CX4:
  4614. case GP_STATUS_10G_KR:
  4615. case GP_STATUS_10G_SFI:
  4616. case GP_STATUS_10G_XFI:
  4617. vars->line_speed = SPEED_10000;
  4618. vars->link_status |= LINK_10GTFD;
  4619. break;
  4620. case GP_STATUS_20G_DXGXS:
  4621. vars->line_speed = SPEED_20000;
  4622. vars->link_status |= LINK_20GTFD;
  4623. break;
  4624. default:
  4625. DP(NETIF_MSG_LINK,
  4626. "link speed unsupported gp_status 0x%x\n",
  4627. speed_mask);
  4628. return -EINVAL;
  4629. }
  4630. } else { /* link_down */
  4631. DP(NETIF_MSG_LINK, "phy link down\n");
  4632. vars->phy_link_up = 0;
  4633. vars->duplex = DUPLEX_FULL;
  4634. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4635. vars->mac_type = MAC_TYPE_NONE;
  4636. }
  4637. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4638. vars->phy_link_up, vars->line_speed);
  4639. return 0;
  4640. }
  4641. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4642. struct link_params *params,
  4643. struct link_vars *vars)
  4644. {
  4645. struct bnx2x *bp = params->bp;
  4646. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4647. int rc = 0;
  4648. /* Read gp_status */
  4649. CL22_RD_OVER_CL45(bp, phy,
  4650. MDIO_REG_BANK_GP_STATUS,
  4651. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4652. &gp_status);
  4653. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4654. duplex = DUPLEX_FULL;
  4655. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4656. link_up = 1;
  4657. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4658. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4659. gp_status, link_up, speed_mask);
  4660. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4661. duplex);
  4662. if (rc == -EINVAL)
  4663. return rc;
  4664. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4665. if (SINGLE_MEDIA_DIRECT(params)) {
  4666. vars->duplex = duplex;
  4667. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4668. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4669. bnx2x_xgxs_an_resolve(phy, params, vars,
  4670. gp_status);
  4671. }
  4672. } else { /* Link_down */
  4673. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4674. SINGLE_MEDIA_DIRECT(params)) {
  4675. /* Check signal is detected */
  4676. bnx2x_check_fallback_to_cl37(phy, params);
  4677. }
  4678. }
  4679. /* Read LP advertised speeds*/
  4680. if (SINGLE_MEDIA_DIRECT(params) &&
  4681. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4682. u16 val;
  4683. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4684. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4685. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4686. vars->link_status |=
  4687. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4688. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4689. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4690. vars->link_status |=
  4691. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4692. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4693. MDIO_OVER_1G_LP_UP1, &val);
  4694. if (val & MDIO_OVER_1G_UP1_2_5G)
  4695. vars->link_status |=
  4696. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4697. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4698. vars->link_status |=
  4699. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4700. }
  4701. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4702. vars->duplex, vars->flow_ctrl, vars->link_status);
  4703. return rc;
  4704. }
  4705. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4706. struct link_params *params,
  4707. struct link_vars *vars)
  4708. {
  4709. struct bnx2x *bp = params->bp;
  4710. u8 lane;
  4711. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4712. int rc = 0;
  4713. lane = bnx2x_get_warpcore_lane(phy, params);
  4714. /* Read gp_status */
  4715. if (phy->req_line_speed > SPEED_10000) {
  4716. u16 temp_link_up;
  4717. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4718. 1, &temp_link_up);
  4719. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4720. 1, &link_up);
  4721. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4722. temp_link_up, link_up);
  4723. link_up &= (1<<2);
  4724. if (link_up)
  4725. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4726. } else {
  4727. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4728. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4729. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4730. /* Check for either KR or generic link up. */
  4731. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4732. ((gp_status1 >> 12) & 0xf);
  4733. link_up = gp_status1 & (1 << lane);
  4734. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4735. u16 pd, gp_status4;
  4736. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4737. /* Check Autoneg complete */
  4738. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4739. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4740. &gp_status4);
  4741. if (gp_status4 & ((1<<12)<<lane))
  4742. vars->link_status |=
  4743. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4744. /* Check parallel detect used */
  4745. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4746. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4747. &pd);
  4748. if (pd & (1<<15))
  4749. vars->link_status |=
  4750. LINK_STATUS_PARALLEL_DETECTION_USED;
  4751. }
  4752. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4753. vars->duplex = duplex;
  4754. }
  4755. }
  4756. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4757. SINGLE_MEDIA_DIRECT(params)) {
  4758. u16 val;
  4759. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4760. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4761. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4762. vars->link_status |=
  4763. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4764. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4765. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4766. vars->link_status |=
  4767. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4768. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4769. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4770. if (val & MDIO_OVER_1G_UP1_2_5G)
  4771. vars->link_status |=
  4772. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4773. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4774. vars->link_status |=
  4775. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4776. }
  4777. if (lane < 2) {
  4778. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4779. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4780. } else {
  4781. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4782. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4783. }
  4784. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4785. if ((lane & 1) == 0)
  4786. gp_speed <<= 8;
  4787. gp_speed &= 0x3f00;
  4788. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4789. duplex);
  4790. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4791. vars->duplex, vars->flow_ctrl, vars->link_status);
  4792. return rc;
  4793. }
  4794. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4795. {
  4796. struct bnx2x *bp = params->bp;
  4797. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4798. u16 lp_up2;
  4799. u16 tx_driver;
  4800. u16 bank;
  4801. /* Read precomp */
  4802. CL22_RD_OVER_CL45(bp, phy,
  4803. MDIO_REG_BANK_OVER_1G,
  4804. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4805. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4806. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4807. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4808. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4809. if (lp_up2 == 0)
  4810. return;
  4811. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4812. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4813. CL22_RD_OVER_CL45(bp, phy,
  4814. bank,
  4815. MDIO_TX0_TX_DRIVER, &tx_driver);
  4816. /* Replace tx_driver bits [15:12] */
  4817. if (lp_up2 !=
  4818. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4819. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4820. tx_driver |= lp_up2;
  4821. CL22_WR_OVER_CL45(bp, phy,
  4822. bank,
  4823. MDIO_TX0_TX_DRIVER, tx_driver);
  4824. }
  4825. }
  4826. }
  4827. static int bnx2x_emac_program(struct link_params *params,
  4828. struct link_vars *vars)
  4829. {
  4830. struct bnx2x *bp = params->bp;
  4831. u8 port = params->port;
  4832. u16 mode = 0;
  4833. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4834. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4835. EMAC_REG_EMAC_MODE,
  4836. (EMAC_MODE_25G_MODE |
  4837. EMAC_MODE_PORT_MII_10M |
  4838. EMAC_MODE_HALF_DUPLEX));
  4839. switch (vars->line_speed) {
  4840. case SPEED_10:
  4841. mode |= EMAC_MODE_PORT_MII_10M;
  4842. break;
  4843. case SPEED_100:
  4844. mode |= EMAC_MODE_PORT_MII;
  4845. break;
  4846. case SPEED_1000:
  4847. mode |= EMAC_MODE_PORT_GMII;
  4848. break;
  4849. case SPEED_2500:
  4850. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4851. break;
  4852. default:
  4853. /* 10G not valid for EMAC */
  4854. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4855. vars->line_speed);
  4856. return -EINVAL;
  4857. }
  4858. if (vars->duplex == DUPLEX_HALF)
  4859. mode |= EMAC_MODE_HALF_DUPLEX;
  4860. bnx2x_bits_en(bp,
  4861. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4862. mode);
  4863. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4864. return 0;
  4865. }
  4866. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4867. struct link_params *params)
  4868. {
  4869. u16 bank, i = 0;
  4870. struct bnx2x *bp = params->bp;
  4871. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4872. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4873. CL22_WR_OVER_CL45(bp, phy,
  4874. bank,
  4875. MDIO_RX0_RX_EQ_BOOST,
  4876. phy->rx_preemphasis[i]);
  4877. }
  4878. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4879. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4880. CL22_WR_OVER_CL45(bp, phy,
  4881. bank,
  4882. MDIO_TX0_TX_DRIVER,
  4883. phy->tx_preemphasis[i]);
  4884. }
  4885. }
  4886. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4887. struct link_params *params,
  4888. struct link_vars *vars)
  4889. {
  4890. struct bnx2x *bp = params->bp;
  4891. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4892. (params->loopback_mode == LOOPBACK_XGXS));
  4893. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4894. if (SINGLE_MEDIA_DIRECT(params) &&
  4895. (params->feature_config_flags &
  4896. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4897. bnx2x_set_preemphasis(phy, params);
  4898. /* Forced speed requested? */
  4899. if (vars->line_speed != SPEED_AUTO_NEG ||
  4900. (SINGLE_MEDIA_DIRECT(params) &&
  4901. params->loopback_mode == LOOPBACK_EXT)) {
  4902. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4903. /* Disable autoneg */
  4904. bnx2x_set_autoneg(phy, params, vars, 0);
  4905. /* Program speed and duplex */
  4906. bnx2x_program_serdes(phy, params, vars);
  4907. } else { /* AN_mode */
  4908. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4909. /* AN enabled */
  4910. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4911. /* Program duplex & pause advertisement (for aneg) */
  4912. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4913. vars->ieee_fc);
  4914. /* Enable autoneg */
  4915. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4916. /* Enable and restart AN */
  4917. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4918. }
  4919. } else { /* SGMII mode */
  4920. DP(NETIF_MSG_LINK, "SGMII\n");
  4921. bnx2x_initialize_sgmii_process(phy, params, vars);
  4922. }
  4923. }
  4924. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4925. struct link_params *params,
  4926. struct link_vars *vars)
  4927. {
  4928. int rc;
  4929. vars->phy_flags |= PHY_XGXS_FLAG;
  4930. if ((phy->req_line_speed &&
  4931. ((phy->req_line_speed == SPEED_100) ||
  4932. (phy->req_line_speed == SPEED_10))) ||
  4933. (!phy->req_line_speed &&
  4934. (phy->speed_cap_mask >=
  4935. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4936. (phy->speed_cap_mask <
  4937. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4938. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4939. vars->phy_flags |= PHY_SGMII_FLAG;
  4940. else
  4941. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4942. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4943. bnx2x_set_aer_mmd(params, phy);
  4944. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4945. bnx2x_set_master_ln(params, phy);
  4946. rc = bnx2x_reset_unicore(params, phy, 0);
  4947. /* Reset the SerDes and wait for reset bit return low */
  4948. if (rc)
  4949. return rc;
  4950. bnx2x_set_aer_mmd(params, phy);
  4951. /* Setting the masterLn_def again after the reset */
  4952. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4953. bnx2x_set_master_ln(params, phy);
  4954. bnx2x_set_swap_lanes(params, phy);
  4955. }
  4956. return rc;
  4957. }
  4958. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  4959. struct bnx2x_phy *phy,
  4960. struct link_params *params)
  4961. {
  4962. u16 cnt, ctrl;
  4963. /* Wait for soft reset to get cleared up to 1 sec */
  4964. for (cnt = 0; cnt < 1000; cnt++) {
  4965. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  4966. bnx2x_cl22_read(bp, phy,
  4967. MDIO_PMA_REG_CTRL, &ctrl);
  4968. else
  4969. bnx2x_cl45_read(bp, phy,
  4970. MDIO_PMA_DEVAD,
  4971. MDIO_PMA_REG_CTRL, &ctrl);
  4972. if (!(ctrl & (1<<15)))
  4973. break;
  4974. usleep_range(1000, 2000);
  4975. }
  4976. if (cnt == 1000)
  4977. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4978. " Port %d\n",
  4979. params->port);
  4980. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  4981. return cnt;
  4982. }
  4983. static void bnx2x_link_int_enable(struct link_params *params)
  4984. {
  4985. u8 port = params->port;
  4986. u32 mask;
  4987. struct bnx2x *bp = params->bp;
  4988. /* Setting the status to report on link up for either XGXS or SerDes */
  4989. if (CHIP_IS_E3(bp)) {
  4990. mask = NIG_MASK_XGXS0_LINK_STATUS;
  4991. if (!(SINGLE_MEDIA_DIRECT(params)))
  4992. mask |= NIG_MASK_MI_INT;
  4993. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  4994. mask = (NIG_MASK_XGXS0_LINK10G |
  4995. NIG_MASK_XGXS0_LINK_STATUS);
  4996. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  4997. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  4998. params->phy[INT_PHY].type !=
  4999. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5000. mask |= NIG_MASK_MI_INT;
  5001. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5002. }
  5003. } else { /* SerDes */
  5004. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5005. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5006. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5007. params->phy[INT_PHY].type !=
  5008. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5009. mask |= NIG_MASK_MI_INT;
  5010. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5011. }
  5012. }
  5013. bnx2x_bits_en(bp,
  5014. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5015. mask);
  5016. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5017. (params->switch_cfg == SWITCH_CFG_10G),
  5018. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5019. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5020. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5021. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5022. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5023. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5024. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5025. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5026. }
  5027. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5028. u8 exp_mi_int)
  5029. {
  5030. u32 latch_status = 0;
  5031. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5032. * status register. Link down indication is high-active-signal,
  5033. * so in this case we need to write the status to clear the XOR
  5034. */
  5035. /* Read Latched signals */
  5036. latch_status = REG_RD(bp,
  5037. NIG_REG_LATCH_STATUS_0 + port*8);
  5038. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5039. /* Handle only those with latched-signal=up.*/
  5040. if (exp_mi_int)
  5041. bnx2x_bits_en(bp,
  5042. NIG_REG_STATUS_INTERRUPT_PORT0
  5043. + port*4,
  5044. NIG_STATUS_EMAC0_MI_INT);
  5045. else
  5046. bnx2x_bits_dis(bp,
  5047. NIG_REG_STATUS_INTERRUPT_PORT0
  5048. + port*4,
  5049. NIG_STATUS_EMAC0_MI_INT);
  5050. if (latch_status & 1) {
  5051. /* For all latched-signal=up : Re-Arm Latch signals */
  5052. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5053. (latch_status & 0xfffe) | (latch_status & 1));
  5054. }
  5055. /* For all latched-signal=up,Write original_signal to status */
  5056. }
  5057. static void bnx2x_link_int_ack(struct link_params *params,
  5058. struct link_vars *vars, u8 is_10g_plus)
  5059. {
  5060. struct bnx2x *bp = params->bp;
  5061. u8 port = params->port;
  5062. u32 mask;
  5063. /* First reset all status we assume only one line will be
  5064. * change at a time
  5065. */
  5066. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5067. (NIG_STATUS_XGXS0_LINK10G |
  5068. NIG_STATUS_XGXS0_LINK_STATUS |
  5069. NIG_STATUS_SERDES0_LINK_STATUS));
  5070. if (vars->phy_link_up) {
  5071. if (USES_WARPCORE(bp))
  5072. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5073. else {
  5074. if (is_10g_plus)
  5075. mask = NIG_STATUS_XGXS0_LINK10G;
  5076. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5077. /* Disable the link interrupt by writing 1 to
  5078. * the relevant lane in the status register
  5079. */
  5080. u32 ser_lane =
  5081. ((params->lane_config &
  5082. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5083. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5084. mask = ((1 << ser_lane) <<
  5085. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5086. } else
  5087. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5088. }
  5089. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5090. mask);
  5091. bnx2x_bits_en(bp,
  5092. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5093. mask);
  5094. }
  5095. }
  5096. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5097. {
  5098. u8 *str_ptr = str;
  5099. u32 mask = 0xf0000000;
  5100. u8 shift = 8*4;
  5101. u8 digit;
  5102. u8 remove_leading_zeros = 1;
  5103. if (*len < 10) {
  5104. /* Need more than 10chars for this format */
  5105. *str_ptr = '\0';
  5106. (*len)--;
  5107. return -EINVAL;
  5108. }
  5109. while (shift > 0) {
  5110. shift -= 4;
  5111. digit = ((num & mask) >> shift);
  5112. if (digit == 0 && remove_leading_zeros) {
  5113. mask = mask >> 4;
  5114. continue;
  5115. } else if (digit < 0xa)
  5116. *str_ptr = digit + '0';
  5117. else
  5118. *str_ptr = digit - 0xa + 'a';
  5119. remove_leading_zeros = 0;
  5120. str_ptr++;
  5121. (*len)--;
  5122. mask = mask >> 4;
  5123. if (shift == 4*4) {
  5124. *str_ptr = '.';
  5125. str_ptr++;
  5126. (*len)--;
  5127. remove_leading_zeros = 1;
  5128. }
  5129. }
  5130. return 0;
  5131. }
  5132. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5133. {
  5134. str[0] = '\0';
  5135. (*len)--;
  5136. return 0;
  5137. }
  5138. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5139. u16 len)
  5140. {
  5141. struct bnx2x *bp;
  5142. u32 spirom_ver = 0;
  5143. int status = 0;
  5144. u8 *ver_p = version;
  5145. u16 remain_len = len;
  5146. if (version == NULL || params == NULL)
  5147. return -EINVAL;
  5148. bp = params->bp;
  5149. /* Extract first external phy*/
  5150. version[0] = '\0';
  5151. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5152. if (params->phy[EXT_PHY1].format_fw_ver) {
  5153. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5154. ver_p,
  5155. &remain_len);
  5156. ver_p += (len - remain_len);
  5157. }
  5158. if ((params->num_phys == MAX_PHYS) &&
  5159. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5160. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5161. if (params->phy[EXT_PHY2].format_fw_ver) {
  5162. *ver_p = '/';
  5163. ver_p++;
  5164. remain_len--;
  5165. status |= params->phy[EXT_PHY2].format_fw_ver(
  5166. spirom_ver,
  5167. ver_p,
  5168. &remain_len);
  5169. ver_p = version + (len - remain_len);
  5170. }
  5171. }
  5172. *ver_p = '\0';
  5173. return status;
  5174. }
  5175. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5176. struct link_params *params)
  5177. {
  5178. u8 port = params->port;
  5179. struct bnx2x *bp = params->bp;
  5180. if (phy->req_line_speed != SPEED_1000) {
  5181. u32 md_devad = 0;
  5182. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5183. if (!CHIP_IS_E3(bp)) {
  5184. /* Change the uni_phy_addr in the nig */
  5185. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5186. port*0x18));
  5187. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5188. 0x5);
  5189. }
  5190. bnx2x_cl45_write(bp, phy,
  5191. 5,
  5192. (MDIO_REG_BANK_AER_BLOCK +
  5193. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5194. 0x2800);
  5195. bnx2x_cl45_write(bp, phy,
  5196. 5,
  5197. (MDIO_REG_BANK_CL73_IEEEB0 +
  5198. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5199. 0x6041);
  5200. msleep(200);
  5201. /* Set aer mmd back */
  5202. bnx2x_set_aer_mmd(params, phy);
  5203. if (!CHIP_IS_E3(bp)) {
  5204. /* And md_devad */
  5205. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5206. md_devad);
  5207. }
  5208. } else {
  5209. u16 mii_ctrl;
  5210. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5211. bnx2x_cl45_read(bp, phy, 5,
  5212. (MDIO_REG_BANK_COMBO_IEEE0 +
  5213. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5214. &mii_ctrl);
  5215. bnx2x_cl45_write(bp, phy, 5,
  5216. (MDIO_REG_BANK_COMBO_IEEE0 +
  5217. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5218. mii_ctrl |
  5219. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5220. }
  5221. }
  5222. int bnx2x_set_led(struct link_params *params,
  5223. struct link_vars *vars, u8 mode, u32 speed)
  5224. {
  5225. u8 port = params->port;
  5226. u16 hw_led_mode = params->hw_led_mode;
  5227. int rc = 0;
  5228. u8 phy_idx;
  5229. u32 tmp;
  5230. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5231. struct bnx2x *bp = params->bp;
  5232. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5233. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5234. speed, hw_led_mode);
  5235. /* In case */
  5236. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5237. if (params->phy[phy_idx].set_link_led) {
  5238. params->phy[phy_idx].set_link_led(
  5239. &params->phy[phy_idx], params, mode);
  5240. }
  5241. }
  5242. switch (mode) {
  5243. case LED_MODE_FRONT_PANEL_OFF:
  5244. case LED_MODE_OFF:
  5245. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5246. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5247. SHARED_HW_CFG_LED_MAC1);
  5248. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5249. if (params->phy[EXT_PHY1].type ==
  5250. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5251. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5252. EMAC_LED_100MB_OVERRIDE |
  5253. EMAC_LED_10MB_OVERRIDE);
  5254. else
  5255. tmp |= EMAC_LED_OVERRIDE;
  5256. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5257. break;
  5258. case LED_MODE_OPER:
  5259. /* For all other phys, OPER mode is same as ON, so in case
  5260. * link is down, do nothing
  5261. */
  5262. if (!vars->link_up)
  5263. break;
  5264. case LED_MODE_ON:
  5265. if (((params->phy[EXT_PHY1].type ==
  5266. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5267. (params->phy[EXT_PHY1].type ==
  5268. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5269. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5270. /* This is a work-around for E2+8727 Configurations */
  5271. if (mode == LED_MODE_ON ||
  5272. speed == SPEED_10000){
  5273. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5274. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5275. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5276. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5277. (tmp | EMAC_LED_OVERRIDE));
  5278. /* Return here without enabling traffic
  5279. * LED blink and setting rate in ON mode.
  5280. * In oper mode, enabling LED blink
  5281. * and setting rate is needed.
  5282. */
  5283. if (mode == LED_MODE_ON)
  5284. return rc;
  5285. }
  5286. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5287. /* This is a work-around for HW issue found when link
  5288. * is up in CL73
  5289. */
  5290. if ((!CHIP_IS_E3(bp)) ||
  5291. (CHIP_IS_E3(bp) &&
  5292. mode == LED_MODE_ON))
  5293. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5294. if (CHIP_IS_E1x(bp) ||
  5295. CHIP_IS_E2(bp) ||
  5296. (mode == LED_MODE_ON))
  5297. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5298. else
  5299. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5300. hw_led_mode);
  5301. } else if ((params->phy[EXT_PHY1].type ==
  5302. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5303. (mode == LED_MODE_ON)) {
  5304. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5305. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5306. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5307. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5308. /* Break here; otherwise, it'll disable the
  5309. * intended override.
  5310. */
  5311. break;
  5312. } else
  5313. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5314. hw_led_mode);
  5315. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5316. /* Set blinking rate to ~15.9Hz */
  5317. if (CHIP_IS_E3(bp))
  5318. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5319. LED_BLINK_RATE_VAL_E3);
  5320. else
  5321. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5322. LED_BLINK_RATE_VAL_E1X_E2);
  5323. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5324. port*4, 1);
  5325. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5326. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5327. (tmp & (~EMAC_LED_OVERRIDE)));
  5328. if (CHIP_IS_E1(bp) &&
  5329. ((speed == SPEED_2500) ||
  5330. (speed == SPEED_1000) ||
  5331. (speed == SPEED_100) ||
  5332. (speed == SPEED_10))) {
  5333. /* For speeds less than 10G LED scheme is different */
  5334. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5335. + port*4, 1);
  5336. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5337. port*4, 0);
  5338. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5339. port*4, 1);
  5340. }
  5341. break;
  5342. default:
  5343. rc = -EINVAL;
  5344. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5345. mode);
  5346. break;
  5347. }
  5348. return rc;
  5349. }
  5350. /* This function comes to reflect the actual link state read DIRECTLY from the
  5351. * HW
  5352. */
  5353. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5354. u8 is_serdes)
  5355. {
  5356. struct bnx2x *bp = params->bp;
  5357. u16 gp_status = 0, phy_index = 0;
  5358. u8 ext_phy_link_up = 0, serdes_phy_type;
  5359. struct link_vars temp_vars;
  5360. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5361. if (CHIP_IS_E3(bp)) {
  5362. u16 link_up;
  5363. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5364. > SPEED_10000) {
  5365. /* Check 20G link */
  5366. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5367. 1, &link_up);
  5368. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5369. 1, &link_up);
  5370. link_up &= (1<<2);
  5371. } else {
  5372. /* Check 10G link and below*/
  5373. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5374. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5375. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5376. &gp_status);
  5377. gp_status = ((gp_status >> 8) & 0xf) |
  5378. ((gp_status >> 12) & 0xf);
  5379. link_up = gp_status & (1 << lane);
  5380. }
  5381. if (!link_up)
  5382. return -ESRCH;
  5383. } else {
  5384. CL22_RD_OVER_CL45(bp, int_phy,
  5385. MDIO_REG_BANK_GP_STATUS,
  5386. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5387. &gp_status);
  5388. /* Link is up only if both local phy and external phy are up */
  5389. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5390. return -ESRCH;
  5391. }
  5392. /* In XGXS loopback mode, do not check external PHY */
  5393. if (params->loopback_mode == LOOPBACK_XGXS)
  5394. return 0;
  5395. switch (params->num_phys) {
  5396. case 1:
  5397. /* No external PHY */
  5398. return 0;
  5399. case 2:
  5400. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5401. &params->phy[EXT_PHY1],
  5402. params, &temp_vars);
  5403. break;
  5404. case 3: /* Dual Media */
  5405. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5406. phy_index++) {
  5407. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5408. ETH_PHY_SFPP_10G_FIBER) ||
  5409. (params->phy[phy_index].media_type ==
  5410. ETH_PHY_SFP_1G_FIBER) ||
  5411. (params->phy[phy_index].media_type ==
  5412. ETH_PHY_XFP_FIBER) ||
  5413. (params->phy[phy_index].media_type ==
  5414. ETH_PHY_DA_TWINAX));
  5415. if (is_serdes != serdes_phy_type)
  5416. continue;
  5417. if (params->phy[phy_index].read_status) {
  5418. ext_phy_link_up |=
  5419. params->phy[phy_index].read_status(
  5420. &params->phy[phy_index],
  5421. params, &temp_vars);
  5422. }
  5423. }
  5424. break;
  5425. }
  5426. if (ext_phy_link_up)
  5427. return 0;
  5428. return -ESRCH;
  5429. }
  5430. static int bnx2x_link_initialize(struct link_params *params,
  5431. struct link_vars *vars)
  5432. {
  5433. int rc = 0;
  5434. u8 phy_index, non_ext_phy;
  5435. struct bnx2x *bp = params->bp;
  5436. /* In case of external phy existence, the line speed would be the
  5437. * line speed linked up by the external phy. In case it is direct
  5438. * only, then the line_speed during initialization will be
  5439. * equal to the req_line_speed
  5440. */
  5441. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5442. /* Initialize the internal phy in case this is a direct board
  5443. * (no external phys), or this board has external phy which requires
  5444. * to first.
  5445. */
  5446. if (!USES_WARPCORE(bp))
  5447. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5448. /* init ext phy and enable link state int */
  5449. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5450. (params->loopback_mode == LOOPBACK_XGXS));
  5451. if (non_ext_phy ||
  5452. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5453. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5454. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5455. if (vars->line_speed == SPEED_AUTO_NEG &&
  5456. (CHIP_IS_E1x(bp) ||
  5457. CHIP_IS_E2(bp)))
  5458. bnx2x_set_parallel_detection(phy, params);
  5459. if (params->phy[INT_PHY].config_init)
  5460. params->phy[INT_PHY].config_init(phy,
  5461. params,
  5462. vars);
  5463. }
  5464. /* Init external phy*/
  5465. if (non_ext_phy) {
  5466. if (params->phy[INT_PHY].supported &
  5467. SUPPORTED_FIBRE)
  5468. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5469. } else {
  5470. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5471. phy_index++) {
  5472. /* No need to initialize second phy in case of first
  5473. * phy only selection. In case of second phy, we do
  5474. * need to initialize the first phy, since they are
  5475. * connected.
  5476. */
  5477. if (params->phy[phy_index].supported &
  5478. SUPPORTED_FIBRE)
  5479. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5480. if (phy_index == EXT_PHY2 &&
  5481. (bnx2x_phy_selection(params) ==
  5482. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5483. DP(NETIF_MSG_LINK,
  5484. "Not initializing second phy\n");
  5485. continue;
  5486. }
  5487. params->phy[phy_index].config_init(
  5488. &params->phy[phy_index],
  5489. params, vars);
  5490. }
  5491. }
  5492. /* Reset the interrupt indication after phy was initialized */
  5493. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5494. params->port*4,
  5495. (NIG_STATUS_XGXS0_LINK10G |
  5496. NIG_STATUS_XGXS0_LINK_STATUS |
  5497. NIG_STATUS_SERDES0_LINK_STATUS |
  5498. NIG_MASK_MI_INT));
  5499. return rc;
  5500. }
  5501. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5502. struct link_params *params)
  5503. {
  5504. /* Reset the SerDes/XGXS */
  5505. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5506. (0x1ff << (params->port*16)));
  5507. }
  5508. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5509. struct link_params *params)
  5510. {
  5511. struct bnx2x *bp = params->bp;
  5512. u8 gpio_port;
  5513. /* HW reset */
  5514. if (CHIP_IS_E2(bp))
  5515. gpio_port = BP_PATH(bp);
  5516. else
  5517. gpio_port = params->port;
  5518. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5519. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5520. gpio_port);
  5521. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5522. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5523. gpio_port);
  5524. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5525. }
  5526. static int bnx2x_update_link_down(struct link_params *params,
  5527. struct link_vars *vars)
  5528. {
  5529. struct bnx2x *bp = params->bp;
  5530. u8 port = params->port;
  5531. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5532. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5533. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5534. /* Indicate no mac active */
  5535. vars->mac_type = MAC_TYPE_NONE;
  5536. /* Update shared memory */
  5537. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5538. LINK_STATUS_LINK_UP |
  5539. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5540. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5541. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5542. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5543. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5544. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5545. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5546. vars->line_speed = 0;
  5547. bnx2x_update_mng(params, vars->link_status);
  5548. /* Activate nig drain */
  5549. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5550. /* Disable emac */
  5551. if (!CHIP_IS_E3(bp))
  5552. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5553. usleep_range(10000, 20000);
  5554. /* Reset BigMac/Xmac */
  5555. if (CHIP_IS_E1x(bp) ||
  5556. CHIP_IS_E2(bp))
  5557. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5558. if (CHIP_IS_E3(bp)) {
  5559. /* Prevent LPI Generation by chip */
  5560. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5561. 0);
  5562. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5563. 0);
  5564. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5565. SHMEM_EEE_ACTIVE_BIT);
  5566. bnx2x_update_mng_eee(params, vars->eee_status);
  5567. bnx2x_set_xmac_rxtx(params, 0);
  5568. bnx2x_set_umac_rxtx(params, 0);
  5569. }
  5570. return 0;
  5571. }
  5572. static int bnx2x_update_link_up(struct link_params *params,
  5573. struct link_vars *vars,
  5574. u8 link_10g)
  5575. {
  5576. struct bnx2x *bp = params->bp;
  5577. u8 phy_idx, port = params->port;
  5578. int rc = 0;
  5579. vars->link_status |= (LINK_STATUS_LINK_UP |
  5580. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5581. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5582. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5583. vars->link_status |=
  5584. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5585. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5586. vars->link_status |=
  5587. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5588. if (USES_WARPCORE(bp)) {
  5589. if (link_10g) {
  5590. if (bnx2x_xmac_enable(params, vars, 0) ==
  5591. -ESRCH) {
  5592. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5593. vars->link_up = 0;
  5594. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5595. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5596. }
  5597. } else
  5598. bnx2x_umac_enable(params, vars, 0);
  5599. bnx2x_set_led(params, vars,
  5600. LED_MODE_OPER, vars->line_speed);
  5601. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5602. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5603. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5604. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5605. (params->port << 2), 1);
  5606. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5607. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5608. (params->port << 2), 0xfc20);
  5609. }
  5610. }
  5611. if ((CHIP_IS_E1x(bp) ||
  5612. CHIP_IS_E2(bp))) {
  5613. if (link_10g) {
  5614. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5615. -ESRCH) {
  5616. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5617. vars->link_up = 0;
  5618. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5619. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5620. }
  5621. bnx2x_set_led(params, vars,
  5622. LED_MODE_OPER, SPEED_10000);
  5623. } else {
  5624. rc = bnx2x_emac_program(params, vars);
  5625. bnx2x_emac_enable(params, vars, 0);
  5626. /* AN complete? */
  5627. if ((vars->link_status &
  5628. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5629. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5630. SINGLE_MEDIA_DIRECT(params))
  5631. bnx2x_set_gmii_tx_driver(params);
  5632. }
  5633. }
  5634. /* PBF - link up */
  5635. if (CHIP_IS_E1x(bp))
  5636. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5637. vars->line_speed);
  5638. /* Disable drain */
  5639. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5640. /* Update shared memory */
  5641. bnx2x_update_mng(params, vars->link_status);
  5642. bnx2x_update_mng_eee(params, vars->eee_status);
  5643. /* Check remote fault */
  5644. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5645. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5646. bnx2x_check_half_open_conn(params, vars, 0);
  5647. break;
  5648. }
  5649. }
  5650. msleep(20);
  5651. return rc;
  5652. }
  5653. /* The bnx2x_link_update function should be called upon link
  5654. * interrupt.
  5655. * Link is considered up as follows:
  5656. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5657. * to be up
  5658. * - SINGLE_MEDIA - The link between the 577xx and the external
  5659. * phy (XGXS) need to up as well as the external link of the
  5660. * phy (PHY_EXT1)
  5661. * - DUAL_MEDIA - The link between the 577xx and the first
  5662. * external phy needs to be up, and at least one of the 2
  5663. * external phy link must be up.
  5664. */
  5665. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5666. {
  5667. struct bnx2x *bp = params->bp;
  5668. struct link_vars phy_vars[MAX_PHYS];
  5669. u8 port = params->port;
  5670. u8 link_10g_plus, phy_index;
  5671. u8 ext_phy_link_up = 0, cur_link_up;
  5672. int rc = 0;
  5673. u8 is_mi_int = 0;
  5674. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5675. u8 active_external_phy = INT_PHY;
  5676. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5677. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5678. phy_index++) {
  5679. phy_vars[phy_index].flow_ctrl = 0;
  5680. phy_vars[phy_index].link_status = 0;
  5681. phy_vars[phy_index].line_speed = 0;
  5682. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5683. phy_vars[phy_index].phy_link_up = 0;
  5684. phy_vars[phy_index].link_up = 0;
  5685. phy_vars[phy_index].fault_detected = 0;
  5686. /* different consideration, since vars holds inner state */
  5687. phy_vars[phy_index].eee_status = vars->eee_status;
  5688. }
  5689. if (USES_WARPCORE(bp))
  5690. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5691. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5692. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5693. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5694. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5695. port*0x18) > 0);
  5696. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5697. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5698. is_mi_int,
  5699. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5700. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5701. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5702. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5703. /* Disable emac */
  5704. if (!CHIP_IS_E3(bp))
  5705. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5706. /* Step 1:
  5707. * Check external link change only for external phys, and apply
  5708. * priority selection between them in case the link on both phys
  5709. * is up. Note that instead of the common vars, a temporary
  5710. * vars argument is used since each phy may have different link/
  5711. * speed/duplex result
  5712. */
  5713. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5714. phy_index++) {
  5715. struct bnx2x_phy *phy = &params->phy[phy_index];
  5716. if (!phy->read_status)
  5717. continue;
  5718. /* Read link status and params of this ext phy */
  5719. cur_link_up = phy->read_status(phy, params,
  5720. &phy_vars[phy_index]);
  5721. if (cur_link_up) {
  5722. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5723. phy_index);
  5724. } else {
  5725. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5726. phy_index);
  5727. continue;
  5728. }
  5729. if (!ext_phy_link_up) {
  5730. ext_phy_link_up = 1;
  5731. active_external_phy = phy_index;
  5732. } else {
  5733. switch (bnx2x_phy_selection(params)) {
  5734. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5735. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5736. /* In this option, the first PHY makes sure to pass the
  5737. * traffic through itself only.
  5738. * Its not clear how to reset the link on the second phy
  5739. */
  5740. active_external_phy = EXT_PHY1;
  5741. break;
  5742. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5743. /* In this option, the first PHY makes sure to pass the
  5744. * traffic through the second PHY.
  5745. */
  5746. active_external_phy = EXT_PHY2;
  5747. break;
  5748. default:
  5749. /* Link indication on both PHYs with the following cases
  5750. * is invalid:
  5751. * - FIRST_PHY means that second phy wasn't initialized,
  5752. * hence its link is expected to be down
  5753. * - SECOND_PHY means that first phy should not be able
  5754. * to link up by itself (using configuration)
  5755. * - DEFAULT should be overriden during initialiazation
  5756. */
  5757. DP(NETIF_MSG_LINK, "Invalid link indication"
  5758. "mpc=0x%x. DISABLING LINK !!!\n",
  5759. params->multi_phy_config);
  5760. ext_phy_link_up = 0;
  5761. break;
  5762. }
  5763. }
  5764. }
  5765. prev_line_speed = vars->line_speed;
  5766. /* Step 2:
  5767. * Read the status of the internal phy. In case of
  5768. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5769. * otherwise this is the link between the 577xx and the first
  5770. * external phy
  5771. */
  5772. if (params->phy[INT_PHY].read_status)
  5773. params->phy[INT_PHY].read_status(
  5774. &params->phy[INT_PHY],
  5775. params, vars);
  5776. /* The INT_PHY flow control reside in the vars. This include the
  5777. * case where the speed or flow control are not set to AUTO.
  5778. * Otherwise, the active external phy flow control result is set
  5779. * to the vars. The ext_phy_line_speed is needed to check if the
  5780. * speed is different between the internal phy and external phy.
  5781. * This case may be result of intermediate link speed change.
  5782. */
  5783. if (active_external_phy > INT_PHY) {
  5784. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5785. /* Link speed is taken from the XGXS. AN and FC result from
  5786. * the external phy.
  5787. */
  5788. vars->link_status |= phy_vars[active_external_phy].link_status;
  5789. /* if active_external_phy is first PHY and link is up - disable
  5790. * disable TX on second external PHY
  5791. */
  5792. if (active_external_phy == EXT_PHY1) {
  5793. if (params->phy[EXT_PHY2].phy_specific_func) {
  5794. DP(NETIF_MSG_LINK,
  5795. "Disabling TX on EXT_PHY2\n");
  5796. params->phy[EXT_PHY2].phy_specific_func(
  5797. &params->phy[EXT_PHY2],
  5798. params, DISABLE_TX);
  5799. }
  5800. }
  5801. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5802. vars->duplex = phy_vars[active_external_phy].duplex;
  5803. if (params->phy[active_external_phy].supported &
  5804. SUPPORTED_FIBRE)
  5805. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5806. else
  5807. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5808. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5809. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5810. active_external_phy);
  5811. }
  5812. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5813. phy_index++) {
  5814. if (params->phy[phy_index].flags &
  5815. FLAGS_REARM_LATCH_SIGNAL) {
  5816. bnx2x_rearm_latch_signal(bp, port,
  5817. phy_index ==
  5818. active_external_phy);
  5819. break;
  5820. }
  5821. }
  5822. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5823. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5824. vars->link_status, ext_phy_line_speed);
  5825. /* Upon link speed change set the NIG into drain mode. Comes to
  5826. * deals with possible FIFO glitch due to clk change when speed
  5827. * is decreased without link down indicator
  5828. */
  5829. if (vars->phy_link_up) {
  5830. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5831. (ext_phy_line_speed != vars->line_speed)) {
  5832. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5833. " different than the external"
  5834. " link speed %d\n", vars->line_speed,
  5835. ext_phy_line_speed);
  5836. vars->phy_link_up = 0;
  5837. } else if (prev_line_speed != vars->line_speed) {
  5838. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5839. 0);
  5840. usleep_range(1000, 2000);
  5841. }
  5842. }
  5843. /* Anything 10 and over uses the bmac */
  5844. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5845. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5846. /* In case external phy link is up, and internal link is down
  5847. * (not initialized yet probably after link initialization, it
  5848. * needs to be initialized.
  5849. * Note that after link down-up as result of cable plug, the xgxs
  5850. * link would probably become up again without the need
  5851. * initialize it
  5852. */
  5853. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5854. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5855. " init_preceding = %d\n", ext_phy_link_up,
  5856. vars->phy_link_up,
  5857. params->phy[EXT_PHY1].flags &
  5858. FLAGS_INIT_XGXS_FIRST);
  5859. if (!(params->phy[EXT_PHY1].flags &
  5860. FLAGS_INIT_XGXS_FIRST)
  5861. && ext_phy_link_up && !vars->phy_link_up) {
  5862. vars->line_speed = ext_phy_line_speed;
  5863. if (vars->line_speed < SPEED_1000)
  5864. vars->phy_flags |= PHY_SGMII_FLAG;
  5865. else
  5866. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5867. if (params->phy[INT_PHY].config_init)
  5868. params->phy[INT_PHY].config_init(
  5869. &params->phy[INT_PHY], params,
  5870. vars);
  5871. }
  5872. }
  5873. /* Link is up only if both local phy and external phy (in case of
  5874. * non-direct board) are up and no fault detected on active PHY.
  5875. */
  5876. vars->link_up = (vars->phy_link_up &&
  5877. (ext_phy_link_up ||
  5878. SINGLE_MEDIA_DIRECT(params)) &&
  5879. (phy_vars[active_external_phy].fault_detected == 0));
  5880. /* Update the PFC configuration in case it was changed */
  5881. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  5882. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  5883. else
  5884. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  5885. if (vars->link_up)
  5886. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5887. else
  5888. rc = bnx2x_update_link_down(params, vars);
  5889. /* Update MCP link status was changed */
  5890. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  5891. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  5892. return rc;
  5893. }
  5894. /*****************************************************************************/
  5895. /* External Phy section */
  5896. /*****************************************************************************/
  5897. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5898. {
  5899. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5900. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5901. usleep_range(1000, 2000);
  5902. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5903. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5904. }
  5905. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5906. u32 spirom_ver, u32 ver_addr)
  5907. {
  5908. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5909. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5910. if (ver_addr)
  5911. REG_WR(bp, ver_addr, spirom_ver);
  5912. }
  5913. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5914. struct bnx2x_phy *phy,
  5915. u8 port)
  5916. {
  5917. u16 fw_ver1, fw_ver2;
  5918. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5919. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5920. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5921. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5922. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5923. phy->ver_addr);
  5924. }
  5925. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5926. struct bnx2x_phy *phy,
  5927. struct link_vars *vars)
  5928. {
  5929. u16 val;
  5930. bnx2x_cl45_read(bp, phy,
  5931. MDIO_AN_DEVAD,
  5932. MDIO_AN_REG_STATUS, &val);
  5933. bnx2x_cl45_read(bp, phy,
  5934. MDIO_AN_DEVAD,
  5935. MDIO_AN_REG_STATUS, &val);
  5936. if (val & (1<<5))
  5937. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5938. if ((val & (1<<0)) == 0)
  5939. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5940. }
  5941. /******************************************************************/
  5942. /* common BCM8073/BCM8727 PHY SECTION */
  5943. /******************************************************************/
  5944. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5945. struct link_params *params,
  5946. struct link_vars *vars)
  5947. {
  5948. struct bnx2x *bp = params->bp;
  5949. if (phy->req_line_speed == SPEED_10 ||
  5950. phy->req_line_speed == SPEED_100) {
  5951. vars->flow_ctrl = phy->req_flow_ctrl;
  5952. return;
  5953. }
  5954. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5955. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5956. u16 pause_result;
  5957. u16 ld_pause; /* local */
  5958. u16 lp_pause; /* link partner */
  5959. bnx2x_cl45_read(bp, phy,
  5960. MDIO_AN_DEVAD,
  5961. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5962. bnx2x_cl45_read(bp, phy,
  5963. MDIO_AN_DEVAD,
  5964. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5965. pause_result = (ld_pause &
  5966. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  5967. pause_result |= (lp_pause &
  5968. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  5969. bnx2x_pause_resolve(vars, pause_result);
  5970. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  5971. pause_result);
  5972. }
  5973. }
  5974. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  5975. struct bnx2x_phy *phy,
  5976. u8 port)
  5977. {
  5978. u32 count = 0;
  5979. u16 fw_ver1, fw_msgout;
  5980. int rc = 0;
  5981. /* Boot port from external ROM */
  5982. /* EDC grst */
  5983. bnx2x_cl45_write(bp, phy,
  5984. MDIO_PMA_DEVAD,
  5985. MDIO_PMA_REG_GEN_CTRL,
  5986. 0x0001);
  5987. /* Ucode reboot and rst */
  5988. bnx2x_cl45_write(bp, phy,
  5989. MDIO_PMA_DEVAD,
  5990. MDIO_PMA_REG_GEN_CTRL,
  5991. 0x008c);
  5992. bnx2x_cl45_write(bp, phy,
  5993. MDIO_PMA_DEVAD,
  5994. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  5995. /* Reset internal microprocessor */
  5996. bnx2x_cl45_write(bp, phy,
  5997. MDIO_PMA_DEVAD,
  5998. MDIO_PMA_REG_GEN_CTRL,
  5999. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6000. /* Release srst bit */
  6001. bnx2x_cl45_write(bp, phy,
  6002. MDIO_PMA_DEVAD,
  6003. MDIO_PMA_REG_GEN_CTRL,
  6004. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6005. /* Delay 100ms per the PHY specifications */
  6006. msleep(100);
  6007. /* 8073 sometimes taking longer to download */
  6008. do {
  6009. count++;
  6010. if (count > 300) {
  6011. DP(NETIF_MSG_LINK,
  6012. "bnx2x_8073_8727_external_rom_boot port %x:"
  6013. "Download failed. fw version = 0x%x\n",
  6014. port, fw_ver1);
  6015. rc = -EINVAL;
  6016. break;
  6017. }
  6018. bnx2x_cl45_read(bp, phy,
  6019. MDIO_PMA_DEVAD,
  6020. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6021. bnx2x_cl45_read(bp, phy,
  6022. MDIO_PMA_DEVAD,
  6023. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6024. usleep_range(1000, 2000);
  6025. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6026. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6027. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6028. /* Clear ser_boot_ctl bit */
  6029. bnx2x_cl45_write(bp, phy,
  6030. MDIO_PMA_DEVAD,
  6031. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6032. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6033. DP(NETIF_MSG_LINK,
  6034. "bnx2x_8073_8727_external_rom_boot port %x:"
  6035. "Download complete. fw version = 0x%x\n",
  6036. port, fw_ver1);
  6037. return rc;
  6038. }
  6039. /******************************************************************/
  6040. /* BCM8073 PHY SECTION */
  6041. /******************************************************************/
  6042. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6043. {
  6044. /* This is only required for 8073A1, version 102 only */
  6045. u16 val;
  6046. /* Read 8073 HW revision*/
  6047. bnx2x_cl45_read(bp, phy,
  6048. MDIO_PMA_DEVAD,
  6049. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6050. if (val != 1) {
  6051. /* No need to workaround in 8073 A1 */
  6052. return 0;
  6053. }
  6054. bnx2x_cl45_read(bp, phy,
  6055. MDIO_PMA_DEVAD,
  6056. MDIO_PMA_REG_ROM_VER2, &val);
  6057. /* SNR should be applied only for version 0x102 */
  6058. if (val != 0x102)
  6059. return 0;
  6060. return 1;
  6061. }
  6062. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6063. {
  6064. u16 val, cnt, cnt1 ;
  6065. bnx2x_cl45_read(bp, phy,
  6066. MDIO_PMA_DEVAD,
  6067. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6068. if (val > 0) {
  6069. /* No need to workaround in 8073 A1 */
  6070. return 0;
  6071. }
  6072. /* XAUI workaround in 8073 A0: */
  6073. /* After loading the boot ROM and restarting Autoneg, poll
  6074. * Dev1, Reg $C820:
  6075. */
  6076. for (cnt = 0; cnt < 1000; cnt++) {
  6077. bnx2x_cl45_read(bp, phy,
  6078. MDIO_PMA_DEVAD,
  6079. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6080. &val);
  6081. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6082. * system initialization (XAUI work-around not required, as
  6083. * these bits indicate 2.5G or 1G link up).
  6084. */
  6085. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6086. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6087. return 0;
  6088. } else if (!(val & (1<<15))) {
  6089. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6090. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6091. * MSB (bit15) goes to 1 (indicating that the XAUI
  6092. * workaround has completed), then continue on with
  6093. * system initialization.
  6094. */
  6095. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6096. bnx2x_cl45_read(bp, phy,
  6097. MDIO_PMA_DEVAD,
  6098. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6099. if (val & (1<<15)) {
  6100. DP(NETIF_MSG_LINK,
  6101. "XAUI workaround has completed\n");
  6102. return 0;
  6103. }
  6104. usleep_range(3000, 6000);
  6105. }
  6106. break;
  6107. }
  6108. usleep_range(3000, 6000);
  6109. }
  6110. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6111. return -EINVAL;
  6112. }
  6113. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6114. {
  6115. /* Force KR or KX */
  6116. bnx2x_cl45_write(bp, phy,
  6117. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6118. bnx2x_cl45_write(bp, phy,
  6119. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6120. bnx2x_cl45_write(bp, phy,
  6121. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6122. bnx2x_cl45_write(bp, phy,
  6123. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6124. }
  6125. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6126. struct bnx2x_phy *phy,
  6127. struct link_vars *vars)
  6128. {
  6129. u16 cl37_val;
  6130. struct bnx2x *bp = params->bp;
  6131. bnx2x_cl45_read(bp, phy,
  6132. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6133. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6134. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6135. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6136. if ((vars->ieee_fc &
  6137. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6138. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6139. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6140. }
  6141. if ((vars->ieee_fc &
  6142. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6143. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6144. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6145. }
  6146. if ((vars->ieee_fc &
  6147. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6148. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6149. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6150. }
  6151. DP(NETIF_MSG_LINK,
  6152. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6153. bnx2x_cl45_write(bp, phy,
  6154. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6155. msleep(500);
  6156. }
  6157. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6158. struct link_params *params,
  6159. u32 action)
  6160. {
  6161. struct bnx2x *bp = params->bp;
  6162. switch (action) {
  6163. case PHY_INIT:
  6164. /* Enable LASI */
  6165. bnx2x_cl45_write(bp, phy,
  6166. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6167. bnx2x_cl45_write(bp, phy,
  6168. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6169. break;
  6170. }
  6171. }
  6172. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6173. struct link_params *params,
  6174. struct link_vars *vars)
  6175. {
  6176. struct bnx2x *bp = params->bp;
  6177. u16 val = 0, tmp1;
  6178. u8 gpio_port;
  6179. DP(NETIF_MSG_LINK, "Init 8073\n");
  6180. if (CHIP_IS_E2(bp))
  6181. gpio_port = BP_PATH(bp);
  6182. else
  6183. gpio_port = params->port;
  6184. /* Restore normal power mode*/
  6185. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6186. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6187. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6188. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6189. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6190. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6191. bnx2x_cl45_read(bp, phy,
  6192. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6193. bnx2x_cl45_read(bp, phy,
  6194. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6195. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6196. /* Swap polarity if required - Must be done only in non-1G mode */
  6197. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6198. /* Configure the 8073 to swap _P and _N of the KR lines */
  6199. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6200. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6201. bnx2x_cl45_read(bp, phy,
  6202. MDIO_PMA_DEVAD,
  6203. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6204. bnx2x_cl45_write(bp, phy,
  6205. MDIO_PMA_DEVAD,
  6206. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6207. (val | (3<<9)));
  6208. }
  6209. /* Enable CL37 BAM */
  6210. if (REG_RD(bp, params->shmem_base +
  6211. offsetof(struct shmem_region, dev_info.
  6212. port_hw_config[params->port].default_cfg)) &
  6213. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6214. bnx2x_cl45_read(bp, phy,
  6215. MDIO_AN_DEVAD,
  6216. MDIO_AN_REG_8073_BAM, &val);
  6217. bnx2x_cl45_write(bp, phy,
  6218. MDIO_AN_DEVAD,
  6219. MDIO_AN_REG_8073_BAM, val | 1);
  6220. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6221. }
  6222. if (params->loopback_mode == LOOPBACK_EXT) {
  6223. bnx2x_807x_force_10G(bp, phy);
  6224. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6225. return 0;
  6226. } else {
  6227. bnx2x_cl45_write(bp, phy,
  6228. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6229. }
  6230. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6231. if (phy->req_line_speed == SPEED_10000) {
  6232. val = (1<<7);
  6233. } else if (phy->req_line_speed == SPEED_2500) {
  6234. val = (1<<5);
  6235. /* Note that 2.5G works only when used with 1G
  6236. * advertisement
  6237. */
  6238. } else
  6239. val = (1<<5);
  6240. } else {
  6241. val = 0;
  6242. if (phy->speed_cap_mask &
  6243. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6244. val |= (1<<7);
  6245. /* Note that 2.5G works only when used with 1G advertisement */
  6246. if (phy->speed_cap_mask &
  6247. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6248. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6249. val |= (1<<5);
  6250. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6251. }
  6252. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6253. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6254. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6255. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6256. (phy->req_line_speed == SPEED_2500)) {
  6257. u16 phy_ver;
  6258. /* Allow 2.5G for A1 and above */
  6259. bnx2x_cl45_read(bp, phy,
  6260. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6261. &phy_ver);
  6262. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6263. if (phy_ver > 0)
  6264. tmp1 |= 1;
  6265. else
  6266. tmp1 &= 0xfffe;
  6267. } else {
  6268. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6269. tmp1 &= 0xfffe;
  6270. }
  6271. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6272. /* Add support for CL37 (passive mode) II */
  6273. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6274. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6275. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6276. 0x20 : 0x40)));
  6277. /* Add support for CL37 (passive mode) III */
  6278. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6279. /* The SNR will improve about 2db by changing BW and FEE main
  6280. * tap. Rest commands are executed after link is up
  6281. * Change FFE main cursor to 5 in EDC register
  6282. */
  6283. if (bnx2x_8073_is_snr_needed(bp, phy))
  6284. bnx2x_cl45_write(bp, phy,
  6285. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6286. 0xFB0C);
  6287. /* Enable FEC (Forware Error Correction) Request in the AN */
  6288. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6289. tmp1 |= (1<<15);
  6290. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6291. bnx2x_ext_phy_set_pause(params, phy, vars);
  6292. /* Restart autoneg */
  6293. msleep(500);
  6294. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6295. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6296. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6297. return 0;
  6298. }
  6299. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6300. struct link_params *params,
  6301. struct link_vars *vars)
  6302. {
  6303. struct bnx2x *bp = params->bp;
  6304. u8 link_up = 0;
  6305. u16 val1, val2;
  6306. u16 link_status = 0;
  6307. u16 an1000_status = 0;
  6308. bnx2x_cl45_read(bp, phy,
  6309. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6310. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6311. /* Clear the interrupt LASI status register */
  6312. bnx2x_cl45_read(bp, phy,
  6313. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6314. bnx2x_cl45_read(bp, phy,
  6315. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6316. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6317. /* Clear MSG-OUT */
  6318. bnx2x_cl45_read(bp, phy,
  6319. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6320. /* Check the LASI */
  6321. bnx2x_cl45_read(bp, phy,
  6322. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6323. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6324. /* Check the link status */
  6325. bnx2x_cl45_read(bp, phy,
  6326. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6327. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6328. bnx2x_cl45_read(bp, phy,
  6329. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6330. bnx2x_cl45_read(bp, phy,
  6331. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6332. link_up = ((val1 & 4) == 4);
  6333. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6334. if (link_up &&
  6335. ((phy->req_line_speed != SPEED_10000))) {
  6336. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6337. return 0;
  6338. }
  6339. bnx2x_cl45_read(bp, phy,
  6340. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6341. bnx2x_cl45_read(bp, phy,
  6342. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6343. /* Check the link status on 1.1.2 */
  6344. bnx2x_cl45_read(bp, phy,
  6345. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6346. bnx2x_cl45_read(bp, phy,
  6347. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6348. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6349. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6350. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6351. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6352. /* The SNR will improve about 2dbby changing the BW and FEE main
  6353. * tap. The 1st write to change FFE main tap is set before
  6354. * restart AN. Change PLL Bandwidth in EDC register
  6355. */
  6356. bnx2x_cl45_write(bp, phy,
  6357. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6358. 0x26BC);
  6359. /* Change CDR Bandwidth in EDC register */
  6360. bnx2x_cl45_write(bp, phy,
  6361. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6362. 0x0333);
  6363. }
  6364. bnx2x_cl45_read(bp, phy,
  6365. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6366. &link_status);
  6367. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6368. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6369. link_up = 1;
  6370. vars->line_speed = SPEED_10000;
  6371. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6372. params->port);
  6373. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6374. link_up = 1;
  6375. vars->line_speed = SPEED_2500;
  6376. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6377. params->port);
  6378. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6379. link_up = 1;
  6380. vars->line_speed = SPEED_1000;
  6381. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6382. params->port);
  6383. } else {
  6384. link_up = 0;
  6385. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6386. params->port);
  6387. }
  6388. if (link_up) {
  6389. /* Swap polarity if required */
  6390. if (params->lane_config &
  6391. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6392. /* Configure the 8073 to swap P and N of the KR lines */
  6393. bnx2x_cl45_read(bp, phy,
  6394. MDIO_XS_DEVAD,
  6395. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6396. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6397. * when it`s in 10G mode.
  6398. */
  6399. if (vars->line_speed == SPEED_1000) {
  6400. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6401. "the 8073\n");
  6402. val1 |= (1<<3);
  6403. } else
  6404. val1 &= ~(1<<3);
  6405. bnx2x_cl45_write(bp, phy,
  6406. MDIO_XS_DEVAD,
  6407. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6408. val1);
  6409. }
  6410. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6411. bnx2x_8073_resolve_fc(phy, params, vars);
  6412. vars->duplex = DUPLEX_FULL;
  6413. }
  6414. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6415. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6416. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6417. if (val1 & (1<<5))
  6418. vars->link_status |=
  6419. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6420. if (val1 & (1<<7))
  6421. vars->link_status |=
  6422. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6423. }
  6424. return link_up;
  6425. }
  6426. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6427. struct link_params *params)
  6428. {
  6429. struct bnx2x *bp = params->bp;
  6430. u8 gpio_port;
  6431. if (CHIP_IS_E2(bp))
  6432. gpio_port = BP_PATH(bp);
  6433. else
  6434. gpio_port = params->port;
  6435. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6436. gpio_port);
  6437. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6438. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6439. gpio_port);
  6440. }
  6441. /******************************************************************/
  6442. /* BCM8705 PHY SECTION */
  6443. /******************************************************************/
  6444. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6445. struct link_params *params,
  6446. struct link_vars *vars)
  6447. {
  6448. struct bnx2x *bp = params->bp;
  6449. DP(NETIF_MSG_LINK, "init 8705\n");
  6450. /* Restore normal power mode*/
  6451. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6452. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6453. /* HW reset */
  6454. bnx2x_ext_phy_hw_reset(bp, params->port);
  6455. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6456. bnx2x_wait_reset_complete(bp, phy, params);
  6457. bnx2x_cl45_write(bp, phy,
  6458. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6459. bnx2x_cl45_write(bp, phy,
  6460. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6461. bnx2x_cl45_write(bp, phy,
  6462. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6463. bnx2x_cl45_write(bp, phy,
  6464. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6465. /* BCM8705 doesn't have microcode, hence the 0 */
  6466. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6467. return 0;
  6468. }
  6469. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6470. struct link_params *params,
  6471. struct link_vars *vars)
  6472. {
  6473. u8 link_up = 0;
  6474. u16 val1, rx_sd;
  6475. struct bnx2x *bp = params->bp;
  6476. DP(NETIF_MSG_LINK, "read status 8705\n");
  6477. bnx2x_cl45_read(bp, phy,
  6478. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6479. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6480. bnx2x_cl45_read(bp, phy,
  6481. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6482. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6483. bnx2x_cl45_read(bp, phy,
  6484. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6485. bnx2x_cl45_read(bp, phy,
  6486. MDIO_PMA_DEVAD, 0xc809, &val1);
  6487. bnx2x_cl45_read(bp, phy,
  6488. MDIO_PMA_DEVAD, 0xc809, &val1);
  6489. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6490. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6491. if (link_up) {
  6492. vars->line_speed = SPEED_10000;
  6493. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6494. }
  6495. return link_up;
  6496. }
  6497. /******************************************************************/
  6498. /* SFP+ module Section */
  6499. /******************************************************************/
  6500. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6501. struct bnx2x_phy *phy,
  6502. u8 pmd_dis)
  6503. {
  6504. struct bnx2x *bp = params->bp;
  6505. /* Disable transmitter only for bootcodes which can enable it afterwards
  6506. * (for D3 link)
  6507. */
  6508. if (pmd_dis) {
  6509. if (params->feature_config_flags &
  6510. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6511. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6512. else {
  6513. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6514. return;
  6515. }
  6516. } else
  6517. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6518. bnx2x_cl45_write(bp, phy,
  6519. MDIO_PMA_DEVAD,
  6520. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6521. }
  6522. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6523. {
  6524. u8 gpio_port;
  6525. u32 swap_val, swap_override;
  6526. struct bnx2x *bp = params->bp;
  6527. if (CHIP_IS_E2(bp))
  6528. gpio_port = BP_PATH(bp);
  6529. else
  6530. gpio_port = params->port;
  6531. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6532. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6533. return gpio_port ^ (swap_val && swap_override);
  6534. }
  6535. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6536. struct bnx2x_phy *phy,
  6537. u8 tx_en)
  6538. {
  6539. u16 val;
  6540. u8 port = params->port;
  6541. struct bnx2x *bp = params->bp;
  6542. u32 tx_en_mode;
  6543. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6544. tx_en_mode = REG_RD(bp, params->shmem_base +
  6545. offsetof(struct shmem_region,
  6546. dev_info.port_hw_config[port].sfp_ctrl)) &
  6547. PORT_HW_CFG_TX_LASER_MASK;
  6548. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6549. "mode = %x\n", tx_en, port, tx_en_mode);
  6550. switch (tx_en_mode) {
  6551. case PORT_HW_CFG_TX_LASER_MDIO:
  6552. bnx2x_cl45_read(bp, phy,
  6553. MDIO_PMA_DEVAD,
  6554. MDIO_PMA_REG_PHY_IDENTIFIER,
  6555. &val);
  6556. if (tx_en)
  6557. val &= ~(1<<15);
  6558. else
  6559. val |= (1<<15);
  6560. bnx2x_cl45_write(bp, phy,
  6561. MDIO_PMA_DEVAD,
  6562. MDIO_PMA_REG_PHY_IDENTIFIER,
  6563. val);
  6564. break;
  6565. case PORT_HW_CFG_TX_LASER_GPIO0:
  6566. case PORT_HW_CFG_TX_LASER_GPIO1:
  6567. case PORT_HW_CFG_TX_LASER_GPIO2:
  6568. case PORT_HW_CFG_TX_LASER_GPIO3:
  6569. {
  6570. u16 gpio_pin;
  6571. u8 gpio_port, gpio_mode;
  6572. if (tx_en)
  6573. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6574. else
  6575. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6576. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6577. gpio_port = bnx2x_get_gpio_port(params);
  6578. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6579. break;
  6580. }
  6581. default:
  6582. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6583. break;
  6584. }
  6585. }
  6586. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6587. struct bnx2x_phy *phy,
  6588. u8 tx_en)
  6589. {
  6590. struct bnx2x *bp = params->bp;
  6591. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6592. if (CHIP_IS_E3(bp))
  6593. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6594. else
  6595. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6596. }
  6597. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6598. struct link_params *params,
  6599. u16 addr, u8 byte_cnt, u8 *o_buf)
  6600. {
  6601. struct bnx2x *bp = params->bp;
  6602. u16 val = 0;
  6603. u16 i;
  6604. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6605. DP(NETIF_MSG_LINK,
  6606. "Reading from eeprom is limited to 0xf\n");
  6607. return -EINVAL;
  6608. }
  6609. /* Set the read command byte count */
  6610. bnx2x_cl45_write(bp, phy,
  6611. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6612. (byte_cnt | 0xa000));
  6613. /* Set the read command address */
  6614. bnx2x_cl45_write(bp, phy,
  6615. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6616. addr);
  6617. /* Activate read command */
  6618. bnx2x_cl45_write(bp, phy,
  6619. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6620. 0x2c0f);
  6621. /* Wait up to 500us for command complete status */
  6622. for (i = 0; i < 100; i++) {
  6623. bnx2x_cl45_read(bp, phy,
  6624. MDIO_PMA_DEVAD,
  6625. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6626. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6627. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6628. break;
  6629. udelay(5);
  6630. }
  6631. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6632. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6633. DP(NETIF_MSG_LINK,
  6634. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6635. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6636. return -EINVAL;
  6637. }
  6638. /* Read the buffer */
  6639. for (i = 0; i < byte_cnt; i++) {
  6640. bnx2x_cl45_read(bp, phy,
  6641. MDIO_PMA_DEVAD,
  6642. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6643. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6644. }
  6645. for (i = 0; i < 100; i++) {
  6646. bnx2x_cl45_read(bp, phy,
  6647. MDIO_PMA_DEVAD,
  6648. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6649. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6650. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6651. return 0;
  6652. usleep_range(1000, 2000);
  6653. }
  6654. return -EINVAL;
  6655. }
  6656. static void bnx2x_warpcore_power_module(struct link_params *params,
  6657. struct bnx2x_phy *phy,
  6658. u8 power)
  6659. {
  6660. u32 pin_cfg;
  6661. struct bnx2x *bp = params->bp;
  6662. pin_cfg = (REG_RD(bp, params->shmem_base +
  6663. offsetof(struct shmem_region,
  6664. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6665. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6666. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6667. if (pin_cfg == PIN_CFG_NA)
  6668. return;
  6669. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6670. power, pin_cfg);
  6671. /* Low ==> corresponding SFP+ module is powered
  6672. * high ==> the SFP+ module is powered down
  6673. */
  6674. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6675. }
  6676. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6677. struct link_params *params,
  6678. u16 addr, u8 byte_cnt,
  6679. u8 *o_buf)
  6680. {
  6681. int rc = 0;
  6682. u8 i, j = 0, cnt = 0;
  6683. u32 data_array[4];
  6684. u16 addr32;
  6685. struct bnx2x *bp = params->bp;
  6686. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6687. DP(NETIF_MSG_LINK,
  6688. "Reading from eeprom is limited to 16 bytes\n");
  6689. return -EINVAL;
  6690. }
  6691. /* 4 byte aligned address */
  6692. addr32 = addr & (~0x3);
  6693. do {
  6694. if (cnt == I2C_WA_PWR_ITER) {
  6695. bnx2x_warpcore_power_module(params, phy, 0);
  6696. /* Note that 100us are not enough here */
  6697. usleep_range(1000,1000);
  6698. bnx2x_warpcore_power_module(params, phy, 1);
  6699. }
  6700. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6701. data_array);
  6702. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6703. if (rc == 0) {
  6704. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6705. o_buf[j] = *((u8 *)data_array + i);
  6706. j++;
  6707. }
  6708. }
  6709. return rc;
  6710. }
  6711. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6712. struct link_params *params,
  6713. u16 addr, u8 byte_cnt, u8 *o_buf)
  6714. {
  6715. struct bnx2x *bp = params->bp;
  6716. u16 val, i;
  6717. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6718. DP(NETIF_MSG_LINK,
  6719. "Reading from eeprom is limited to 0xf\n");
  6720. return -EINVAL;
  6721. }
  6722. /* Need to read from 1.8000 to clear it */
  6723. bnx2x_cl45_read(bp, phy,
  6724. MDIO_PMA_DEVAD,
  6725. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6726. &val);
  6727. /* Set the read command byte count */
  6728. bnx2x_cl45_write(bp, phy,
  6729. MDIO_PMA_DEVAD,
  6730. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6731. ((byte_cnt < 2) ? 2 : byte_cnt));
  6732. /* Set the read command address */
  6733. bnx2x_cl45_write(bp, phy,
  6734. MDIO_PMA_DEVAD,
  6735. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6736. addr);
  6737. /* Set the destination address */
  6738. bnx2x_cl45_write(bp, phy,
  6739. MDIO_PMA_DEVAD,
  6740. 0x8004,
  6741. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6742. /* Activate read command */
  6743. bnx2x_cl45_write(bp, phy,
  6744. MDIO_PMA_DEVAD,
  6745. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6746. 0x8002);
  6747. /* Wait appropriate time for two-wire command to finish before
  6748. * polling the status register
  6749. */
  6750. usleep_range(1000, 2000);
  6751. /* Wait up to 500us for command complete status */
  6752. for (i = 0; i < 100; i++) {
  6753. bnx2x_cl45_read(bp, phy,
  6754. MDIO_PMA_DEVAD,
  6755. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6756. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6757. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6758. break;
  6759. udelay(5);
  6760. }
  6761. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6762. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6763. DP(NETIF_MSG_LINK,
  6764. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6765. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6766. return -EFAULT;
  6767. }
  6768. /* Read the buffer */
  6769. for (i = 0; i < byte_cnt; i++) {
  6770. bnx2x_cl45_read(bp, phy,
  6771. MDIO_PMA_DEVAD,
  6772. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6773. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6774. }
  6775. for (i = 0; i < 100; i++) {
  6776. bnx2x_cl45_read(bp, phy,
  6777. MDIO_PMA_DEVAD,
  6778. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6779. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6780. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6781. return 0;
  6782. usleep_range(1000, 2000);
  6783. }
  6784. return -EINVAL;
  6785. }
  6786. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6787. struct link_params *params, u16 addr,
  6788. u8 byte_cnt, u8 *o_buf)
  6789. {
  6790. int rc = -EOPNOTSUPP;
  6791. switch (phy->type) {
  6792. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6793. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6794. byte_cnt, o_buf);
  6795. break;
  6796. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6797. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6798. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6799. byte_cnt, o_buf);
  6800. break;
  6801. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6802. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6803. byte_cnt, o_buf);
  6804. break;
  6805. }
  6806. return rc;
  6807. }
  6808. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6809. struct link_params *params,
  6810. u16 *edc_mode)
  6811. {
  6812. struct bnx2x *bp = params->bp;
  6813. u32 sync_offset = 0, phy_idx, media_types;
  6814. u8 val[2], check_limiting_mode = 0;
  6815. *edc_mode = EDC_MODE_LIMITING;
  6816. phy->media_type = ETH_PHY_UNSPECIFIED;
  6817. /* First check for copper cable */
  6818. if (bnx2x_read_sfp_module_eeprom(phy,
  6819. params,
  6820. SFP_EEPROM_CON_TYPE_ADDR,
  6821. 2,
  6822. (u8 *)val) != 0) {
  6823. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6824. return -EINVAL;
  6825. }
  6826. switch (val[0]) {
  6827. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6828. {
  6829. u8 copper_module_type;
  6830. phy->media_type = ETH_PHY_DA_TWINAX;
  6831. /* Check if its active cable (includes SFP+ module)
  6832. * of passive cable
  6833. */
  6834. if (bnx2x_read_sfp_module_eeprom(phy,
  6835. params,
  6836. SFP_EEPROM_FC_TX_TECH_ADDR,
  6837. 1,
  6838. &copper_module_type) != 0) {
  6839. DP(NETIF_MSG_LINK,
  6840. "Failed to read copper-cable-type"
  6841. " from SFP+ EEPROM\n");
  6842. return -EINVAL;
  6843. }
  6844. if (copper_module_type &
  6845. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6846. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6847. check_limiting_mode = 1;
  6848. } else if (copper_module_type &
  6849. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6850. DP(NETIF_MSG_LINK,
  6851. "Passive Copper cable detected\n");
  6852. *edc_mode =
  6853. EDC_MODE_PASSIVE_DAC;
  6854. } else {
  6855. DP(NETIF_MSG_LINK,
  6856. "Unknown copper-cable-type 0x%x !!!\n",
  6857. copper_module_type);
  6858. return -EINVAL;
  6859. }
  6860. break;
  6861. }
  6862. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6863. check_limiting_mode = 1;
  6864. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  6865. SFP_EEPROM_COMP_CODE_LR_MASK |
  6866. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  6867. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  6868. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  6869. phy->req_line_speed = SPEED_1000;
  6870. } else {
  6871. int idx, cfg_idx = 0;
  6872. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  6873. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  6874. if (params->phy[idx].type == phy->type) {
  6875. cfg_idx = LINK_CONFIG_IDX(idx);
  6876. break;
  6877. }
  6878. }
  6879. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  6880. phy->req_line_speed = params->req_line_speed[cfg_idx];
  6881. }
  6882. break;
  6883. default:
  6884. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6885. val[0]);
  6886. return -EINVAL;
  6887. }
  6888. sync_offset = params->shmem_base +
  6889. offsetof(struct shmem_region,
  6890. dev_info.port_hw_config[params->port].media_type);
  6891. media_types = REG_RD(bp, sync_offset);
  6892. /* Update media type for non-PMF sync */
  6893. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6894. if (&(params->phy[phy_idx]) == phy) {
  6895. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6896. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6897. media_types |= ((phy->media_type &
  6898. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6899. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6900. break;
  6901. }
  6902. }
  6903. REG_WR(bp, sync_offset, media_types);
  6904. if (check_limiting_mode) {
  6905. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6906. if (bnx2x_read_sfp_module_eeprom(phy,
  6907. params,
  6908. SFP_EEPROM_OPTIONS_ADDR,
  6909. SFP_EEPROM_OPTIONS_SIZE,
  6910. options) != 0) {
  6911. DP(NETIF_MSG_LINK,
  6912. "Failed to read Option field from module EEPROM\n");
  6913. return -EINVAL;
  6914. }
  6915. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6916. *edc_mode = EDC_MODE_LINEAR;
  6917. else
  6918. *edc_mode = EDC_MODE_LIMITING;
  6919. }
  6920. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6921. return 0;
  6922. }
  6923. /* This function read the relevant field from the module (SFP+), and verify it
  6924. * is compliant with this board
  6925. */
  6926. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6927. struct link_params *params)
  6928. {
  6929. struct bnx2x *bp = params->bp;
  6930. u32 val, cmd;
  6931. u32 fw_resp, fw_cmd_param;
  6932. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6933. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6934. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6935. val = REG_RD(bp, params->shmem_base +
  6936. offsetof(struct shmem_region, dev_info.
  6937. port_feature_config[params->port].config));
  6938. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6939. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6940. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6941. return 0;
  6942. }
  6943. if (params->feature_config_flags &
  6944. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6945. /* Use specific phy request */
  6946. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6947. } else if (params->feature_config_flags &
  6948. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6949. /* Use first phy request only in case of non-dual media*/
  6950. if (DUAL_MEDIA(params)) {
  6951. DP(NETIF_MSG_LINK,
  6952. "FW does not support OPT MDL verification\n");
  6953. return -EINVAL;
  6954. }
  6955. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6956. } else {
  6957. /* No support in OPT MDL detection */
  6958. DP(NETIF_MSG_LINK,
  6959. "FW does not support OPT MDL verification\n");
  6960. return -EINVAL;
  6961. }
  6962. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6963. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6964. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6965. DP(NETIF_MSG_LINK, "Approved module\n");
  6966. return 0;
  6967. }
  6968. /* Format the warning message */
  6969. if (bnx2x_read_sfp_module_eeprom(phy,
  6970. params,
  6971. SFP_EEPROM_VENDOR_NAME_ADDR,
  6972. SFP_EEPROM_VENDOR_NAME_SIZE,
  6973. (u8 *)vendor_name))
  6974. vendor_name[0] = '\0';
  6975. else
  6976. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  6977. if (bnx2x_read_sfp_module_eeprom(phy,
  6978. params,
  6979. SFP_EEPROM_PART_NO_ADDR,
  6980. SFP_EEPROM_PART_NO_SIZE,
  6981. (u8 *)vendor_pn))
  6982. vendor_pn[0] = '\0';
  6983. else
  6984. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  6985. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  6986. " Port %d from %s part number %s\n",
  6987. params->port, vendor_name, vendor_pn);
  6988. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  6989. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  6990. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  6991. return -EINVAL;
  6992. }
  6993. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  6994. struct link_params *params)
  6995. {
  6996. u8 val;
  6997. struct bnx2x *bp = params->bp;
  6998. u16 timeout;
  6999. /* Initialization time after hot-plug may take up to 300ms for
  7000. * some phys type ( e.g. JDSU )
  7001. */
  7002. for (timeout = 0; timeout < 60; timeout++) {
  7003. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7004. == 0) {
  7005. DP(NETIF_MSG_LINK,
  7006. "SFP+ module initialization took %d ms\n",
  7007. timeout * 5);
  7008. return 0;
  7009. }
  7010. usleep_range(5000, 10000);
  7011. }
  7012. return -EINVAL;
  7013. }
  7014. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7015. struct bnx2x_phy *phy,
  7016. u8 is_power_up) {
  7017. /* Make sure GPIOs are not using for LED mode */
  7018. u16 val;
  7019. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7020. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7021. * output
  7022. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7023. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7024. * where the 1st bit is the over-current(only input), and 2nd bit is
  7025. * for power( only output )
  7026. *
  7027. * In case of NOC feature is disabled and power is up, set GPIO control
  7028. * as input to enable listening of over-current indication
  7029. */
  7030. if (phy->flags & FLAGS_NOC)
  7031. return;
  7032. if (is_power_up)
  7033. val = (1<<4);
  7034. else
  7035. /* Set GPIO control to OUTPUT, and set the power bit
  7036. * to according to the is_power_up
  7037. */
  7038. val = (1<<1);
  7039. bnx2x_cl45_write(bp, phy,
  7040. MDIO_PMA_DEVAD,
  7041. MDIO_PMA_REG_8727_GPIO_CTRL,
  7042. val);
  7043. }
  7044. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7045. struct bnx2x_phy *phy,
  7046. u16 edc_mode)
  7047. {
  7048. u16 cur_limiting_mode;
  7049. bnx2x_cl45_read(bp, phy,
  7050. MDIO_PMA_DEVAD,
  7051. MDIO_PMA_REG_ROM_VER2,
  7052. &cur_limiting_mode);
  7053. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7054. cur_limiting_mode);
  7055. if (edc_mode == EDC_MODE_LIMITING) {
  7056. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7057. bnx2x_cl45_write(bp, phy,
  7058. MDIO_PMA_DEVAD,
  7059. MDIO_PMA_REG_ROM_VER2,
  7060. EDC_MODE_LIMITING);
  7061. } else { /* LRM mode ( default )*/
  7062. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7063. /* Changing to LRM mode takes quite few seconds. So do it only
  7064. * if current mode is limiting (default is LRM)
  7065. */
  7066. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7067. return 0;
  7068. bnx2x_cl45_write(bp, phy,
  7069. MDIO_PMA_DEVAD,
  7070. MDIO_PMA_REG_LRM_MODE,
  7071. 0);
  7072. bnx2x_cl45_write(bp, phy,
  7073. MDIO_PMA_DEVAD,
  7074. MDIO_PMA_REG_ROM_VER2,
  7075. 0x128);
  7076. bnx2x_cl45_write(bp, phy,
  7077. MDIO_PMA_DEVAD,
  7078. MDIO_PMA_REG_MISC_CTRL0,
  7079. 0x4008);
  7080. bnx2x_cl45_write(bp, phy,
  7081. MDIO_PMA_DEVAD,
  7082. MDIO_PMA_REG_LRM_MODE,
  7083. 0xaaaa);
  7084. }
  7085. return 0;
  7086. }
  7087. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7088. struct bnx2x_phy *phy,
  7089. u16 edc_mode)
  7090. {
  7091. u16 phy_identifier;
  7092. u16 rom_ver2_val;
  7093. bnx2x_cl45_read(bp, phy,
  7094. MDIO_PMA_DEVAD,
  7095. MDIO_PMA_REG_PHY_IDENTIFIER,
  7096. &phy_identifier);
  7097. bnx2x_cl45_write(bp, phy,
  7098. MDIO_PMA_DEVAD,
  7099. MDIO_PMA_REG_PHY_IDENTIFIER,
  7100. (phy_identifier & ~(1<<9)));
  7101. bnx2x_cl45_read(bp, phy,
  7102. MDIO_PMA_DEVAD,
  7103. MDIO_PMA_REG_ROM_VER2,
  7104. &rom_ver2_val);
  7105. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7106. bnx2x_cl45_write(bp, phy,
  7107. MDIO_PMA_DEVAD,
  7108. MDIO_PMA_REG_ROM_VER2,
  7109. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7110. bnx2x_cl45_write(bp, phy,
  7111. MDIO_PMA_DEVAD,
  7112. MDIO_PMA_REG_PHY_IDENTIFIER,
  7113. (phy_identifier | (1<<9)));
  7114. return 0;
  7115. }
  7116. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7117. struct link_params *params,
  7118. u32 action)
  7119. {
  7120. struct bnx2x *bp = params->bp;
  7121. u16 val;
  7122. switch (action) {
  7123. case DISABLE_TX:
  7124. bnx2x_sfp_set_transmitter(params, phy, 0);
  7125. break;
  7126. case ENABLE_TX:
  7127. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7128. bnx2x_sfp_set_transmitter(params, phy, 1);
  7129. break;
  7130. case PHY_INIT:
  7131. bnx2x_cl45_write(bp, phy,
  7132. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7133. (1<<2) | (1<<5));
  7134. bnx2x_cl45_write(bp, phy,
  7135. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7136. 0);
  7137. bnx2x_cl45_write(bp, phy,
  7138. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7139. /* Make MOD_ABS give interrupt on change */
  7140. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7141. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7142. &val);
  7143. val |= (1<<12);
  7144. if (phy->flags & FLAGS_NOC)
  7145. val |= (3<<5);
  7146. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7147. * status which reflect SFP+ module over-current
  7148. */
  7149. if (!(phy->flags & FLAGS_NOC))
  7150. val &= 0xff8f; /* Reset bits 4-6 */
  7151. bnx2x_cl45_write(bp, phy,
  7152. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7153. val);
  7154. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7155. * to 100Khz since some DACs(direct attached cables) do
  7156. * not work at 400Khz.
  7157. */
  7158. bnx2x_cl45_write(bp, phy,
  7159. MDIO_PMA_DEVAD,
  7160. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7161. 0xa001);
  7162. break;
  7163. default:
  7164. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7165. action);
  7166. return;
  7167. }
  7168. }
  7169. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7170. u8 gpio_mode)
  7171. {
  7172. struct bnx2x *bp = params->bp;
  7173. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7174. offsetof(struct shmem_region,
  7175. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7176. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7177. switch (fault_led_gpio) {
  7178. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7179. return;
  7180. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7181. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7182. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7183. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7184. {
  7185. u8 gpio_port = bnx2x_get_gpio_port(params);
  7186. u16 gpio_pin = fault_led_gpio -
  7187. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7188. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7189. "pin %x port %x mode %x\n",
  7190. gpio_pin, gpio_port, gpio_mode);
  7191. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7192. }
  7193. break;
  7194. default:
  7195. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7196. fault_led_gpio);
  7197. }
  7198. }
  7199. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7200. u8 gpio_mode)
  7201. {
  7202. u32 pin_cfg;
  7203. u8 port = params->port;
  7204. struct bnx2x *bp = params->bp;
  7205. pin_cfg = (REG_RD(bp, params->shmem_base +
  7206. offsetof(struct shmem_region,
  7207. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7208. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7209. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7210. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7211. gpio_mode, pin_cfg);
  7212. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7213. }
  7214. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7215. u8 gpio_mode)
  7216. {
  7217. struct bnx2x *bp = params->bp;
  7218. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7219. if (CHIP_IS_E3(bp)) {
  7220. /* Low ==> if SFP+ module is supported otherwise
  7221. * High ==> if SFP+ module is not on the approved vendor list
  7222. */
  7223. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7224. } else
  7225. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7226. }
  7227. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7228. struct link_params *params)
  7229. {
  7230. struct bnx2x *bp = params->bp;
  7231. bnx2x_warpcore_power_module(params, phy, 0);
  7232. /* Put Warpcore in low power mode */
  7233. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7234. /* Put LCPLL in low power mode */
  7235. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7236. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7237. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7238. }
  7239. static void bnx2x_power_sfp_module(struct link_params *params,
  7240. struct bnx2x_phy *phy,
  7241. u8 power)
  7242. {
  7243. struct bnx2x *bp = params->bp;
  7244. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7245. switch (phy->type) {
  7246. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7247. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7248. bnx2x_8727_power_module(params->bp, phy, power);
  7249. break;
  7250. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7251. bnx2x_warpcore_power_module(params, phy, power);
  7252. break;
  7253. default:
  7254. break;
  7255. }
  7256. }
  7257. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7258. struct bnx2x_phy *phy,
  7259. u16 edc_mode)
  7260. {
  7261. u16 val = 0;
  7262. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7263. struct bnx2x *bp = params->bp;
  7264. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7265. /* This is a global register which controls all lanes */
  7266. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7267. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7268. val &= ~(0xf << (lane << 2));
  7269. switch (edc_mode) {
  7270. case EDC_MODE_LINEAR:
  7271. case EDC_MODE_LIMITING:
  7272. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7273. break;
  7274. case EDC_MODE_PASSIVE_DAC:
  7275. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7276. break;
  7277. default:
  7278. break;
  7279. }
  7280. val |= (mode << (lane << 2));
  7281. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7282. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7283. /* A must read */
  7284. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7285. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7286. /* Restart microcode to re-read the new mode */
  7287. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7288. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7289. }
  7290. static void bnx2x_set_limiting_mode(struct link_params *params,
  7291. struct bnx2x_phy *phy,
  7292. u16 edc_mode)
  7293. {
  7294. switch (phy->type) {
  7295. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7296. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7297. break;
  7298. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7299. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7300. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7301. break;
  7302. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7303. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7304. break;
  7305. }
  7306. }
  7307. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7308. struct link_params *params)
  7309. {
  7310. struct bnx2x *bp = params->bp;
  7311. u16 edc_mode;
  7312. int rc = 0;
  7313. u32 val = REG_RD(bp, params->shmem_base +
  7314. offsetof(struct shmem_region, dev_info.
  7315. port_feature_config[params->port].config));
  7316. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7317. params->port);
  7318. /* Power up module */
  7319. bnx2x_power_sfp_module(params, phy, 1);
  7320. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7321. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7322. return -EINVAL;
  7323. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7324. /* Check SFP+ module compatibility */
  7325. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7326. rc = -EINVAL;
  7327. /* Turn on fault module-detected led */
  7328. bnx2x_set_sfp_module_fault_led(params,
  7329. MISC_REGISTERS_GPIO_HIGH);
  7330. /* Check if need to power down the SFP+ module */
  7331. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7332. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7333. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7334. bnx2x_power_sfp_module(params, phy, 0);
  7335. return rc;
  7336. }
  7337. } else {
  7338. /* Turn off fault module-detected led */
  7339. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7340. }
  7341. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7342. * is done automatically
  7343. */
  7344. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7345. /* Enable transmit for this module if the module is approved, or
  7346. * if unapproved modules should also enable the Tx laser
  7347. */
  7348. if (rc == 0 ||
  7349. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7350. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7351. bnx2x_sfp_set_transmitter(params, phy, 1);
  7352. else
  7353. bnx2x_sfp_set_transmitter(params, phy, 0);
  7354. return rc;
  7355. }
  7356. void bnx2x_handle_module_detect_int(struct link_params *params)
  7357. {
  7358. struct bnx2x *bp = params->bp;
  7359. struct bnx2x_phy *phy;
  7360. u32 gpio_val;
  7361. u8 gpio_num, gpio_port;
  7362. if (CHIP_IS_E3(bp))
  7363. phy = &params->phy[INT_PHY];
  7364. else
  7365. phy = &params->phy[EXT_PHY1];
  7366. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7367. params->port, &gpio_num, &gpio_port) ==
  7368. -EINVAL) {
  7369. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7370. return;
  7371. }
  7372. /* Set valid module led off */
  7373. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7374. /* Get current gpio val reflecting module plugged in / out*/
  7375. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7376. /* Call the handling function in case module is detected */
  7377. if (gpio_val == 0) {
  7378. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7379. bnx2x_set_aer_mmd(params, phy);
  7380. bnx2x_power_sfp_module(params, phy, 1);
  7381. bnx2x_set_gpio_int(bp, gpio_num,
  7382. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7383. gpio_port);
  7384. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7385. bnx2x_sfp_module_detection(phy, params);
  7386. if (CHIP_IS_E3(bp)) {
  7387. u16 rx_tx_in_reset;
  7388. /* In case WC is out of reset, reconfigure the
  7389. * link speed while taking into account 1G
  7390. * module limitation.
  7391. */
  7392. bnx2x_cl45_read(bp, phy,
  7393. MDIO_WC_DEVAD,
  7394. MDIO_WC_REG_DIGITAL5_MISC6,
  7395. &rx_tx_in_reset);
  7396. if (!rx_tx_in_reset) {
  7397. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7398. bnx2x_warpcore_config_sfi(phy, params);
  7399. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7400. }
  7401. }
  7402. } else {
  7403. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7404. }
  7405. } else {
  7406. u32 val = REG_RD(bp, params->shmem_base +
  7407. offsetof(struct shmem_region, dev_info.
  7408. port_feature_config[params->port].
  7409. config));
  7410. bnx2x_set_gpio_int(bp, gpio_num,
  7411. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7412. gpio_port);
  7413. /* Module was plugged out.
  7414. * Disable transmit for this module
  7415. */
  7416. phy->media_type = ETH_PHY_NOT_PRESENT;
  7417. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7418. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7419. CHIP_IS_E3(bp))
  7420. bnx2x_sfp_set_transmitter(params, phy, 0);
  7421. }
  7422. }
  7423. /******************************************************************/
  7424. /* Used by 8706 and 8727 */
  7425. /******************************************************************/
  7426. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7427. struct bnx2x_phy *phy,
  7428. u16 alarm_status_offset,
  7429. u16 alarm_ctrl_offset)
  7430. {
  7431. u16 alarm_status, val;
  7432. bnx2x_cl45_read(bp, phy,
  7433. MDIO_PMA_DEVAD, alarm_status_offset,
  7434. &alarm_status);
  7435. bnx2x_cl45_read(bp, phy,
  7436. MDIO_PMA_DEVAD, alarm_status_offset,
  7437. &alarm_status);
  7438. /* Mask or enable the fault event. */
  7439. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7440. if (alarm_status & (1<<0))
  7441. val &= ~(1<<0);
  7442. else
  7443. val |= (1<<0);
  7444. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7445. }
  7446. /******************************************************************/
  7447. /* common BCM8706/BCM8726 PHY SECTION */
  7448. /******************************************************************/
  7449. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7450. struct link_params *params,
  7451. struct link_vars *vars)
  7452. {
  7453. u8 link_up = 0;
  7454. u16 val1, val2, rx_sd, pcs_status;
  7455. struct bnx2x *bp = params->bp;
  7456. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7457. /* Clear RX Alarm*/
  7458. bnx2x_cl45_read(bp, phy,
  7459. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7460. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7461. MDIO_PMA_LASI_TXCTRL);
  7462. /* Clear LASI indication*/
  7463. bnx2x_cl45_read(bp, phy,
  7464. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7465. bnx2x_cl45_read(bp, phy,
  7466. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7467. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7468. bnx2x_cl45_read(bp, phy,
  7469. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7470. bnx2x_cl45_read(bp, phy,
  7471. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7472. bnx2x_cl45_read(bp, phy,
  7473. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7474. bnx2x_cl45_read(bp, phy,
  7475. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7476. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7477. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7478. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7479. * are set, or if the autoneg bit 1 is set
  7480. */
  7481. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7482. if (link_up) {
  7483. if (val2 & (1<<1))
  7484. vars->line_speed = SPEED_1000;
  7485. else
  7486. vars->line_speed = SPEED_10000;
  7487. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7488. vars->duplex = DUPLEX_FULL;
  7489. }
  7490. /* Capture 10G link fault. Read twice to clear stale value. */
  7491. if (vars->line_speed == SPEED_10000) {
  7492. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7493. MDIO_PMA_LASI_TXSTAT, &val1);
  7494. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7495. MDIO_PMA_LASI_TXSTAT, &val1);
  7496. if (val1 & (1<<0))
  7497. vars->fault_detected = 1;
  7498. }
  7499. return link_up;
  7500. }
  7501. /******************************************************************/
  7502. /* BCM8706 PHY SECTION */
  7503. /******************************************************************/
  7504. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7505. struct link_params *params,
  7506. struct link_vars *vars)
  7507. {
  7508. u32 tx_en_mode;
  7509. u16 cnt, val, tmp1;
  7510. struct bnx2x *bp = params->bp;
  7511. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7512. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7513. /* HW reset */
  7514. bnx2x_ext_phy_hw_reset(bp, params->port);
  7515. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7516. bnx2x_wait_reset_complete(bp, phy, params);
  7517. /* Wait until fw is loaded */
  7518. for (cnt = 0; cnt < 100; cnt++) {
  7519. bnx2x_cl45_read(bp, phy,
  7520. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7521. if (val)
  7522. break;
  7523. usleep_range(10000, 20000);
  7524. }
  7525. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7526. if ((params->feature_config_flags &
  7527. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7528. u8 i;
  7529. u16 reg;
  7530. for (i = 0; i < 4; i++) {
  7531. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7532. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7533. MDIO_XS_8706_REG_BANK_RX0);
  7534. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7535. /* Clear first 3 bits of the control */
  7536. val &= ~0x7;
  7537. /* Set control bits according to configuration */
  7538. val |= (phy->rx_preemphasis[i] & 0x7);
  7539. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7540. " reg 0x%x <-- val 0x%x\n", reg, val);
  7541. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7542. }
  7543. }
  7544. /* Force speed */
  7545. if (phy->req_line_speed == SPEED_10000) {
  7546. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7547. bnx2x_cl45_write(bp, phy,
  7548. MDIO_PMA_DEVAD,
  7549. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7550. bnx2x_cl45_write(bp, phy,
  7551. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7552. 0);
  7553. /* Arm LASI for link and Tx fault. */
  7554. bnx2x_cl45_write(bp, phy,
  7555. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7556. } else {
  7557. /* Force 1Gbps using autoneg with 1G advertisement */
  7558. /* Allow CL37 through CL73 */
  7559. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7560. bnx2x_cl45_write(bp, phy,
  7561. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7562. /* Enable Full-Duplex advertisement on CL37 */
  7563. bnx2x_cl45_write(bp, phy,
  7564. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7565. /* Enable CL37 AN */
  7566. bnx2x_cl45_write(bp, phy,
  7567. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7568. /* 1G support */
  7569. bnx2x_cl45_write(bp, phy,
  7570. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7571. /* Enable clause 73 AN */
  7572. bnx2x_cl45_write(bp, phy,
  7573. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7574. bnx2x_cl45_write(bp, phy,
  7575. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7576. 0x0400);
  7577. bnx2x_cl45_write(bp, phy,
  7578. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7579. 0x0004);
  7580. }
  7581. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7582. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7583. * power mode, if TX Laser is disabled
  7584. */
  7585. tx_en_mode = REG_RD(bp, params->shmem_base +
  7586. offsetof(struct shmem_region,
  7587. dev_info.port_hw_config[params->port].sfp_ctrl))
  7588. & PORT_HW_CFG_TX_LASER_MASK;
  7589. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7590. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7591. bnx2x_cl45_read(bp, phy,
  7592. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7593. tmp1 |= 0x1;
  7594. bnx2x_cl45_write(bp, phy,
  7595. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7596. }
  7597. return 0;
  7598. }
  7599. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7600. struct link_params *params,
  7601. struct link_vars *vars)
  7602. {
  7603. return bnx2x_8706_8726_read_status(phy, params, vars);
  7604. }
  7605. /******************************************************************/
  7606. /* BCM8726 PHY SECTION */
  7607. /******************************************************************/
  7608. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7609. struct link_params *params)
  7610. {
  7611. struct bnx2x *bp = params->bp;
  7612. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7613. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7614. }
  7615. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7616. struct link_params *params)
  7617. {
  7618. struct bnx2x *bp = params->bp;
  7619. /* Need to wait 100ms after reset */
  7620. msleep(100);
  7621. /* Micro controller re-boot */
  7622. bnx2x_cl45_write(bp, phy,
  7623. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7624. /* Set soft reset */
  7625. bnx2x_cl45_write(bp, phy,
  7626. MDIO_PMA_DEVAD,
  7627. MDIO_PMA_REG_GEN_CTRL,
  7628. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7629. bnx2x_cl45_write(bp, phy,
  7630. MDIO_PMA_DEVAD,
  7631. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7632. bnx2x_cl45_write(bp, phy,
  7633. MDIO_PMA_DEVAD,
  7634. MDIO_PMA_REG_GEN_CTRL,
  7635. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7636. /* Wait for 150ms for microcode load */
  7637. msleep(150);
  7638. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD,
  7641. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7642. msleep(200);
  7643. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7644. }
  7645. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7646. struct link_params *params,
  7647. struct link_vars *vars)
  7648. {
  7649. struct bnx2x *bp = params->bp;
  7650. u16 val1;
  7651. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7652. if (link_up) {
  7653. bnx2x_cl45_read(bp, phy,
  7654. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7655. &val1);
  7656. if (val1 & (1<<15)) {
  7657. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7658. link_up = 0;
  7659. vars->line_speed = 0;
  7660. }
  7661. }
  7662. return link_up;
  7663. }
  7664. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7665. struct link_params *params,
  7666. struct link_vars *vars)
  7667. {
  7668. struct bnx2x *bp = params->bp;
  7669. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7670. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7671. bnx2x_wait_reset_complete(bp, phy, params);
  7672. bnx2x_8726_external_rom_boot(phy, params);
  7673. /* Need to call module detected on initialization since the module
  7674. * detection triggered by actual module insertion might occur before
  7675. * driver is loaded, and when driver is loaded, it reset all
  7676. * registers, including the transmitter
  7677. */
  7678. bnx2x_sfp_module_detection(phy, params);
  7679. if (phy->req_line_speed == SPEED_1000) {
  7680. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7681. bnx2x_cl45_write(bp, phy,
  7682. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7683. bnx2x_cl45_write(bp, phy,
  7684. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7685. bnx2x_cl45_write(bp, phy,
  7686. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7687. bnx2x_cl45_write(bp, phy,
  7688. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7689. 0x400);
  7690. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7691. (phy->speed_cap_mask &
  7692. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7693. ((phy->speed_cap_mask &
  7694. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7695. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7696. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7697. /* Set Flow control */
  7698. bnx2x_ext_phy_set_pause(params, phy, vars);
  7699. bnx2x_cl45_write(bp, phy,
  7700. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7701. bnx2x_cl45_write(bp, phy,
  7702. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7703. bnx2x_cl45_write(bp, phy,
  7704. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7705. bnx2x_cl45_write(bp, phy,
  7706. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7707. bnx2x_cl45_write(bp, phy,
  7708. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7709. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7710. * change
  7711. */
  7712. bnx2x_cl45_write(bp, phy,
  7713. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7714. bnx2x_cl45_write(bp, phy,
  7715. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7716. 0x400);
  7717. } else { /* Default 10G. Set only LASI control */
  7718. bnx2x_cl45_write(bp, phy,
  7719. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7720. }
  7721. /* Set TX PreEmphasis if needed */
  7722. if ((params->feature_config_flags &
  7723. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7724. DP(NETIF_MSG_LINK,
  7725. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7726. phy->tx_preemphasis[0],
  7727. phy->tx_preemphasis[1]);
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD,
  7730. MDIO_PMA_REG_8726_TX_CTRL1,
  7731. phy->tx_preemphasis[0]);
  7732. bnx2x_cl45_write(bp, phy,
  7733. MDIO_PMA_DEVAD,
  7734. MDIO_PMA_REG_8726_TX_CTRL2,
  7735. phy->tx_preemphasis[1]);
  7736. }
  7737. return 0;
  7738. }
  7739. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7740. struct link_params *params)
  7741. {
  7742. struct bnx2x *bp = params->bp;
  7743. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7744. /* Set serial boot control for external load */
  7745. bnx2x_cl45_write(bp, phy,
  7746. MDIO_PMA_DEVAD,
  7747. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7748. }
  7749. /******************************************************************/
  7750. /* BCM8727 PHY SECTION */
  7751. /******************************************************************/
  7752. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7753. struct link_params *params, u8 mode)
  7754. {
  7755. struct bnx2x *bp = params->bp;
  7756. u16 led_mode_bitmask = 0;
  7757. u16 gpio_pins_bitmask = 0;
  7758. u16 val;
  7759. /* Only NOC flavor requires to set the LED specifically */
  7760. if (!(phy->flags & FLAGS_NOC))
  7761. return;
  7762. switch (mode) {
  7763. case LED_MODE_FRONT_PANEL_OFF:
  7764. case LED_MODE_OFF:
  7765. led_mode_bitmask = 0;
  7766. gpio_pins_bitmask = 0x03;
  7767. break;
  7768. case LED_MODE_ON:
  7769. led_mode_bitmask = 0;
  7770. gpio_pins_bitmask = 0x02;
  7771. break;
  7772. case LED_MODE_OPER:
  7773. led_mode_bitmask = 0x60;
  7774. gpio_pins_bitmask = 0x11;
  7775. break;
  7776. }
  7777. bnx2x_cl45_read(bp, phy,
  7778. MDIO_PMA_DEVAD,
  7779. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7780. &val);
  7781. val &= 0xff8f;
  7782. val |= led_mode_bitmask;
  7783. bnx2x_cl45_write(bp, phy,
  7784. MDIO_PMA_DEVAD,
  7785. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7786. val);
  7787. bnx2x_cl45_read(bp, phy,
  7788. MDIO_PMA_DEVAD,
  7789. MDIO_PMA_REG_8727_GPIO_CTRL,
  7790. &val);
  7791. val &= 0xffe0;
  7792. val |= gpio_pins_bitmask;
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_PMA_DEVAD,
  7795. MDIO_PMA_REG_8727_GPIO_CTRL,
  7796. val);
  7797. }
  7798. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7799. struct link_params *params) {
  7800. u32 swap_val, swap_override;
  7801. u8 port;
  7802. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7803. * to cancel the swap done in set_gpio()
  7804. */
  7805. struct bnx2x *bp = params->bp;
  7806. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7807. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7808. port = (swap_val && swap_override) ^ 1;
  7809. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7810. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7811. }
  7812. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  7813. struct link_params *params)
  7814. {
  7815. struct bnx2x *bp = params->bp;
  7816. u16 tmp1, val;
  7817. /* Set option 1G speed */
  7818. if ((phy->req_line_speed == SPEED_1000) ||
  7819. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  7820. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7821. bnx2x_cl45_write(bp, phy,
  7822. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7823. bnx2x_cl45_write(bp, phy,
  7824. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7825. bnx2x_cl45_read(bp, phy,
  7826. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7827. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7828. /* Power down the XAUI until link is up in case of dual-media
  7829. * and 1G
  7830. */
  7831. if (DUAL_MEDIA(params)) {
  7832. bnx2x_cl45_read(bp, phy,
  7833. MDIO_PMA_DEVAD,
  7834. MDIO_PMA_REG_8727_PCS_GP, &val);
  7835. val |= (3<<10);
  7836. bnx2x_cl45_write(bp, phy,
  7837. MDIO_PMA_DEVAD,
  7838. MDIO_PMA_REG_8727_PCS_GP, val);
  7839. }
  7840. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7841. ((phy->speed_cap_mask &
  7842. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7843. ((phy->speed_cap_mask &
  7844. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7845. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7846. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7847. bnx2x_cl45_write(bp, phy,
  7848. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7849. bnx2x_cl45_write(bp, phy,
  7850. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7851. } else {
  7852. /* Since the 8727 has only single reset pin, need to set the 10G
  7853. * registers although it is default
  7854. */
  7855. bnx2x_cl45_write(bp, phy,
  7856. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7857. 0x0020);
  7858. bnx2x_cl45_write(bp, phy,
  7859. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7862. bnx2x_cl45_write(bp, phy,
  7863. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7864. 0x0008);
  7865. }
  7866. }
  7867. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7868. struct link_params *params,
  7869. struct link_vars *vars)
  7870. {
  7871. u32 tx_en_mode;
  7872. u16 tmp1, mod_abs, tmp2;
  7873. struct bnx2x *bp = params->bp;
  7874. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7875. bnx2x_wait_reset_complete(bp, phy, params);
  7876. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7877. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  7878. /* Initially configure MOD_ABS to interrupt when module is
  7879. * presence( bit 8)
  7880. */
  7881. bnx2x_cl45_read(bp, phy,
  7882. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7883. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7884. * When the EDC is off it locks onto a reference clock and avoids
  7885. * becoming 'lost'
  7886. */
  7887. mod_abs &= ~(1<<8);
  7888. if (!(phy->flags & FLAGS_NOC))
  7889. mod_abs &= ~(1<<9);
  7890. bnx2x_cl45_write(bp, phy,
  7891. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7892. /* Enable/Disable PHY transmitter output */
  7893. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7894. bnx2x_8727_power_module(bp, phy, 1);
  7895. bnx2x_cl45_read(bp, phy,
  7896. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7897. bnx2x_cl45_read(bp, phy,
  7898. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7899. bnx2x_8727_config_speed(phy, params);
  7900. /* Set TX PreEmphasis if needed */
  7901. if ((params->feature_config_flags &
  7902. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7903. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7904. phy->tx_preemphasis[0],
  7905. phy->tx_preemphasis[1]);
  7906. bnx2x_cl45_write(bp, phy,
  7907. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7908. phy->tx_preemphasis[0]);
  7909. bnx2x_cl45_write(bp, phy,
  7910. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7911. phy->tx_preemphasis[1]);
  7912. }
  7913. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7914. * power mode, if TX Laser is disabled
  7915. */
  7916. tx_en_mode = REG_RD(bp, params->shmem_base +
  7917. offsetof(struct shmem_region,
  7918. dev_info.port_hw_config[params->port].sfp_ctrl))
  7919. & PORT_HW_CFG_TX_LASER_MASK;
  7920. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7921. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7922. bnx2x_cl45_read(bp, phy,
  7923. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7924. tmp2 |= 0x1000;
  7925. tmp2 &= 0xFFEF;
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7928. bnx2x_cl45_read(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7930. &tmp2);
  7931. bnx2x_cl45_write(bp, phy,
  7932. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7933. (tmp2 & 0x7fff));
  7934. }
  7935. return 0;
  7936. }
  7937. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7938. struct link_params *params)
  7939. {
  7940. struct bnx2x *bp = params->bp;
  7941. u16 mod_abs, rx_alarm_status;
  7942. u32 val = REG_RD(bp, params->shmem_base +
  7943. offsetof(struct shmem_region, dev_info.
  7944. port_feature_config[params->port].
  7945. config));
  7946. bnx2x_cl45_read(bp, phy,
  7947. MDIO_PMA_DEVAD,
  7948. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7949. if (mod_abs & (1<<8)) {
  7950. /* Module is absent */
  7951. DP(NETIF_MSG_LINK,
  7952. "MOD_ABS indication show module is absent\n");
  7953. phy->media_type = ETH_PHY_NOT_PRESENT;
  7954. /* 1. Set mod_abs to detect next module
  7955. * presence event
  7956. * 2. Set EDC off by setting OPTXLOS signal input to low
  7957. * (bit 9).
  7958. * When the EDC is off it locks onto a reference clock and
  7959. * avoids becoming 'lost'.
  7960. */
  7961. mod_abs &= ~(1<<8);
  7962. if (!(phy->flags & FLAGS_NOC))
  7963. mod_abs &= ~(1<<9);
  7964. bnx2x_cl45_write(bp, phy,
  7965. MDIO_PMA_DEVAD,
  7966. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7967. /* Clear RX alarm since it stays up as long as
  7968. * the mod_abs wasn't changed
  7969. */
  7970. bnx2x_cl45_read(bp, phy,
  7971. MDIO_PMA_DEVAD,
  7972. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7973. } else {
  7974. /* Module is present */
  7975. DP(NETIF_MSG_LINK,
  7976. "MOD_ABS indication show module is present\n");
  7977. /* First disable transmitter, and if the module is ok, the
  7978. * module_detection will enable it
  7979. * 1. Set mod_abs to detect next module absent event ( bit 8)
  7980. * 2. Restore the default polarity of the OPRXLOS signal and
  7981. * this signal will then correctly indicate the presence or
  7982. * absence of the Rx signal. (bit 9)
  7983. */
  7984. mod_abs |= (1<<8);
  7985. if (!(phy->flags & FLAGS_NOC))
  7986. mod_abs |= (1<<9);
  7987. bnx2x_cl45_write(bp, phy,
  7988. MDIO_PMA_DEVAD,
  7989. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7990. /* Clear RX alarm since it stays up as long as the mod_abs
  7991. * wasn't changed. This is need to be done before calling the
  7992. * module detection, otherwise it will clear* the link update
  7993. * alarm
  7994. */
  7995. bnx2x_cl45_read(bp, phy,
  7996. MDIO_PMA_DEVAD,
  7997. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  7998. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7999. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8000. bnx2x_sfp_set_transmitter(params, phy, 0);
  8001. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8002. bnx2x_sfp_module_detection(phy, params);
  8003. else
  8004. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8005. /* Reconfigure link speed based on module type limitations */
  8006. bnx2x_8727_config_speed(phy, params);
  8007. }
  8008. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8009. rx_alarm_status);
  8010. /* No need to check link status in case of module plugged in/out */
  8011. }
  8012. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8013. struct link_params *params,
  8014. struct link_vars *vars)
  8015. {
  8016. struct bnx2x *bp = params->bp;
  8017. u8 link_up = 0, oc_port = params->port;
  8018. u16 link_status = 0;
  8019. u16 rx_alarm_status, lasi_ctrl, val1;
  8020. /* If PHY is not initialized, do not check link status */
  8021. bnx2x_cl45_read(bp, phy,
  8022. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8023. &lasi_ctrl);
  8024. if (!lasi_ctrl)
  8025. return 0;
  8026. /* Check the LASI on Rx */
  8027. bnx2x_cl45_read(bp, phy,
  8028. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8029. &rx_alarm_status);
  8030. vars->line_speed = 0;
  8031. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8032. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8033. MDIO_PMA_LASI_TXCTRL);
  8034. bnx2x_cl45_read(bp, phy,
  8035. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8036. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8037. /* Clear MSG-OUT */
  8038. bnx2x_cl45_read(bp, phy,
  8039. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8040. /* If a module is present and there is need to check
  8041. * for over current
  8042. */
  8043. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8044. /* Check over-current using 8727 GPIO0 input*/
  8045. bnx2x_cl45_read(bp, phy,
  8046. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8047. &val1);
  8048. if ((val1 & (1<<8)) == 0) {
  8049. if (!CHIP_IS_E1x(bp))
  8050. oc_port = BP_PATH(bp) + (params->port << 1);
  8051. DP(NETIF_MSG_LINK,
  8052. "8727 Power fault has been detected on port %d\n",
  8053. oc_port);
  8054. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8055. "been detected and the power to "
  8056. "that SFP+ module has been removed "
  8057. "to prevent failure of the card. "
  8058. "Please remove the SFP+ module and "
  8059. "restart the system to clear this "
  8060. "error.\n",
  8061. oc_port);
  8062. /* Disable all RX_ALARMs except for mod_abs */
  8063. bnx2x_cl45_write(bp, phy,
  8064. MDIO_PMA_DEVAD,
  8065. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8066. bnx2x_cl45_read(bp, phy,
  8067. MDIO_PMA_DEVAD,
  8068. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8069. /* Wait for module_absent_event */
  8070. val1 |= (1<<8);
  8071. bnx2x_cl45_write(bp, phy,
  8072. MDIO_PMA_DEVAD,
  8073. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8074. /* Clear RX alarm */
  8075. bnx2x_cl45_read(bp, phy,
  8076. MDIO_PMA_DEVAD,
  8077. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8078. return 0;
  8079. }
  8080. } /* Over current check */
  8081. /* When module absent bit is set, check module */
  8082. if (rx_alarm_status & (1<<5)) {
  8083. bnx2x_8727_handle_mod_abs(phy, params);
  8084. /* Enable all mod_abs and link detection bits */
  8085. bnx2x_cl45_write(bp, phy,
  8086. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8087. ((1<<5) | (1<<2)));
  8088. }
  8089. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8090. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8091. bnx2x_sfp_set_transmitter(params, phy, 1);
  8092. } else {
  8093. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8094. return 0;
  8095. }
  8096. bnx2x_cl45_read(bp, phy,
  8097. MDIO_PMA_DEVAD,
  8098. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8099. /* Bits 0..2 --> speed detected,
  8100. * Bits 13..15--> link is down
  8101. */
  8102. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8103. link_up = 1;
  8104. vars->line_speed = SPEED_10000;
  8105. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8106. params->port);
  8107. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8108. link_up = 1;
  8109. vars->line_speed = SPEED_1000;
  8110. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8111. params->port);
  8112. } else {
  8113. link_up = 0;
  8114. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8115. params->port);
  8116. }
  8117. /* Capture 10G link fault. */
  8118. if (vars->line_speed == SPEED_10000) {
  8119. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8120. MDIO_PMA_LASI_TXSTAT, &val1);
  8121. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8122. MDIO_PMA_LASI_TXSTAT, &val1);
  8123. if (val1 & (1<<0)) {
  8124. vars->fault_detected = 1;
  8125. }
  8126. }
  8127. if (link_up) {
  8128. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8129. vars->duplex = DUPLEX_FULL;
  8130. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8131. }
  8132. if ((DUAL_MEDIA(params)) &&
  8133. (phy->req_line_speed == SPEED_1000)) {
  8134. bnx2x_cl45_read(bp, phy,
  8135. MDIO_PMA_DEVAD,
  8136. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8137. /* In case of dual-media board and 1G, power up the XAUI side,
  8138. * otherwise power it down. For 10G it is done automatically
  8139. */
  8140. if (link_up)
  8141. val1 &= ~(3<<10);
  8142. else
  8143. val1 |= (3<<10);
  8144. bnx2x_cl45_write(bp, phy,
  8145. MDIO_PMA_DEVAD,
  8146. MDIO_PMA_REG_8727_PCS_GP, val1);
  8147. }
  8148. return link_up;
  8149. }
  8150. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8151. struct link_params *params)
  8152. {
  8153. struct bnx2x *bp = params->bp;
  8154. /* Enable/Disable PHY transmitter output */
  8155. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8156. /* Disable Transmitter */
  8157. bnx2x_sfp_set_transmitter(params, phy, 0);
  8158. /* Clear LASI */
  8159. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8160. }
  8161. /******************************************************************/
  8162. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8163. /******************************************************************/
  8164. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8165. struct bnx2x *bp,
  8166. u8 port)
  8167. {
  8168. u16 val, fw_ver1, fw_ver2, cnt;
  8169. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8170. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8171. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8172. phy->ver_addr);
  8173. } else {
  8174. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8175. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8176. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8177. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8178. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8179. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8180. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8181. for (cnt = 0; cnt < 100; cnt++) {
  8182. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8183. if (val & 1)
  8184. break;
  8185. udelay(5);
  8186. }
  8187. if (cnt == 100) {
  8188. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8189. "phy fw version(1)\n");
  8190. bnx2x_save_spirom_version(bp, port, 0,
  8191. phy->ver_addr);
  8192. return;
  8193. }
  8194. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8195. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8196. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8197. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8198. for (cnt = 0; cnt < 100; cnt++) {
  8199. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8200. if (val & 1)
  8201. break;
  8202. udelay(5);
  8203. }
  8204. if (cnt == 100) {
  8205. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8206. "version(2)\n");
  8207. bnx2x_save_spirom_version(bp, port, 0,
  8208. phy->ver_addr);
  8209. return;
  8210. }
  8211. /* lower 16 bits of the register SPI_FW_STATUS */
  8212. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8213. /* upper 16 bits of register SPI_FW_STATUS */
  8214. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8215. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8216. phy->ver_addr);
  8217. }
  8218. }
  8219. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8220. struct bnx2x_phy *phy)
  8221. {
  8222. u16 val, offset;
  8223. /* PHYC_CTL_LED_CTL */
  8224. bnx2x_cl45_read(bp, phy,
  8225. MDIO_PMA_DEVAD,
  8226. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8227. val &= 0xFE00;
  8228. val |= 0x0092;
  8229. bnx2x_cl45_write(bp, phy,
  8230. MDIO_PMA_DEVAD,
  8231. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8232. bnx2x_cl45_write(bp, phy,
  8233. MDIO_PMA_DEVAD,
  8234. MDIO_PMA_REG_8481_LED1_MASK,
  8235. 0x80);
  8236. bnx2x_cl45_write(bp, phy,
  8237. MDIO_PMA_DEVAD,
  8238. MDIO_PMA_REG_8481_LED2_MASK,
  8239. 0x18);
  8240. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8241. bnx2x_cl45_write(bp, phy,
  8242. MDIO_PMA_DEVAD,
  8243. MDIO_PMA_REG_8481_LED3_MASK,
  8244. 0x0006);
  8245. /* Select the closest activity blink rate to that in 10/100/1000 */
  8246. bnx2x_cl45_write(bp, phy,
  8247. MDIO_PMA_DEVAD,
  8248. MDIO_PMA_REG_8481_LED3_BLINK,
  8249. 0);
  8250. /* Configure the blink rate to ~15.9 Hz */
  8251. bnx2x_cl45_write(bp, phy,
  8252. MDIO_PMA_DEVAD,
  8253. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8254. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8255. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8256. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8257. else
  8258. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8259. bnx2x_cl45_read(bp, phy,
  8260. MDIO_PMA_DEVAD, offset, &val);
  8261. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8262. bnx2x_cl45_write(bp, phy,
  8263. MDIO_PMA_DEVAD, offset, val);
  8264. /* 'Interrupt Mask' */
  8265. bnx2x_cl45_write(bp, phy,
  8266. MDIO_AN_DEVAD,
  8267. 0xFFFB, 0xFFFD);
  8268. }
  8269. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8270. struct link_params *params,
  8271. u32 action)
  8272. {
  8273. struct bnx2x *bp = params->bp;
  8274. switch (action) {
  8275. case PHY_INIT:
  8276. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8277. /* Save spirom version */
  8278. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8279. }
  8280. /* This phy uses the NIG latch mechanism since link indication
  8281. * arrives through its LED4 and not via its LASI signal, so we
  8282. * get steady signal instead of clear on read
  8283. */
  8284. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8285. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8286. bnx2x_848xx_set_led(bp, phy);
  8287. break;
  8288. }
  8289. }
  8290. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8291. struct link_params *params,
  8292. struct link_vars *vars)
  8293. {
  8294. struct bnx2x *bp = params->bp;
  8295. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8296. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8297. bnx2x_cl45_write(bp, phy,
  8298. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8299. /* set 1000 speed advertisement */
  8300. bnx2x_cl45_read(bp, phy,
  8301. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8302. &an_1000_val);
  8303. bnx2x_ext_phy_set_pause(params, phy, vars);
  8304. bnx2x_cl45_read(bp, phy,
  8305. MDIO_AN_DEVAD,
  8306. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8307. &an_10_100_val);
  8308. bnx2x_cl45_read(bp, phy,
  8309. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8310. &autoneg_val);
  8311. /* Disable forced speed */
  8312. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8313. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8314. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8315. (phy->speed_cap_mask &
  8316. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8317. (phy->req_line_speed == SPEED_1000)) {
  8318. an_1000_val |= (1<<8);
  8319. autoneg_val |= (1<<9 | 1<<12);
  8320. if (phy->req_duplex == DUPLEX_FULL)
  8321. an_1000_val |= (1<<9);
  8322. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8323. } else
  8324. an_1000_val &= ~((1<<8) | (1<<9));
  8325. bnx2x_cl45_write(bp, phy,
  8326. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8327. an_1000_val);
  8328. /* set 100 speed advertisement */
  8329. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8330. (phy->speed_cap_mask &
  8331. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8332. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8333. an_10_100_val |= (1<<7);
  8334. /* Enable autoneg and restart autoneg for legacy speeds */
  8335. autoneg_val |= (1<<9 | 1<<12);
  8336. if (phy->req_duplex == DUPLEX_FULL)
  8337. an_10_100_val |= (1<<8);
  8338. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8339. }
  8340. /* set 10 speed advertisement */
  8341. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8342. (phy->speed_cap_mask &
  8343. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8344. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8345. (phy->supported &
  8346. (SUPPORTED_10baseT_Half |
  8347. SUPPORTED_10baseT_Full)))) {
  8348. an_10_100_val |= (1<<5);
  8349. autoneg_val |= (1<<9 | 1<<12);
  8350. if (phy->req_duplex == DUPLEX_FULL)
  8351. an_10_100_val |= (1<<6);
  8352. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8353. }
  8354. /* Only 10/100 are allowed to work in FORCE mode */
  8355. if ((phy->req_line_speed == SPEED_100) &&
  8356. (phy->supported &
  8357. (SUPPORTED_100baseT_Half |
  8358. SUPPORTED_100baseT_Full))) {
  8359. autoneg_val |= (1<<13);
  8360. /* Enabled AUTO-MDIX when autoneg is disabled */
  8361. bnx2x_cl45_write(bp, phy,
  8362. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8363. (1<<15 | 1<<9 | 7<<0));
  8364. /* The PHY needs this set even for forced link. */
  8365. an_10_100_val |= (1<<8) | (1<<7);
  8366. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8367. }
  8368. if ((phy->req_line_speed == SPEED_10) &&
  8369. (phy->supported &
  8370. (SUPPORTED_10baseT_Half |
  8371. SUPPORTED_10baseT_Full))) {
  8372. /* Enabled AUTO-MDIX when autoneg is disabled */
  8373. bnx2x_cl45_write(bp, phy,
  8374. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8375. (1<<15 | 1<<9 | 7<<0));
  8376. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8377. }
  8378. bnx2x_cl45_write(bp, phy,
  8379. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8380. an_10_100_val);
  8381. if (phy->req_duplex == DUPLEX_FULL)
  8382. autoneg_val |= (1<<8);
  8383. /* Always write this if this is not 84833.
  8384. * For 84833, write it only when it's a forced speed.
  8385. */
  8386. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8387. ((autoneg_val & (1<<12)) == 0))
  8388. bnx2x_cl45_write(bp, phy,
  8389. MDIO_AN_DEVAD,
  8390. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8391. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8392. (phy->speed_cap_mask &
  8393. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8394. (phy->req_line_speed == SPEED_10000)) {
  8395. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8396. /* Restart autoneg for 10G*/
  8397. bnx2x_cl45_read(bp, phy,
  8398. MDIO_AN_DEVAD,
  8399. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8400. &an_10g_val);
  8401. bnx2x_cl45_write(bp, phy,
  8402. MDIO_AN_DEVAD,
  8403. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8404. an_10g_val | 0x1000);
  8405. bnx2x_cl45_write(bp, phy,
  8406. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8407. 0x3200);
  8408. } else
  8409. bnx2x_cl45_write(bp, phy,
  8410. MDIO_AN_DEVAD,
  8411. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8412. 1);
  8413. return 0;
  8414. }
  8415. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8416. struct link_params *params,
  8417. struct link_vars *vars)
  8418. {
  8419. struct bnx2x *bp = params->bp;
  8420. /* Restore normal power mode*/
  8421. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8422. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8423. /* HW reset */
  8424. bnx2x_ext_phy_hw_reset(bp, params->port);
  8425. bnx2x_wait_reset_complete(bp, phy, params);
  8426. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8427. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8428. }
  8429. #define PHY84833_CMDHDLR_WAIT 300
  8430. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8431. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8432. struct link_params *params,
  8433. u16 fw_cmd,
  8434. u16 cmd_args[], int argc)
  8435. {
  8436. int idx;
  8437. u16 val;
  8438. struct bnx2x *bp = params->bp;
  8439. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8440. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8441. MDIO_84833_CMD_HDLR_STATUS,
  8442. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8443. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8444. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8445. MDIO_84833_CMD_HDLR_STATUS, &val);
  8446. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8447. break;
  8448. usleep_range(1000, 2000);
  8449. }
  8450. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8451. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8452. return -EINVAL;
  8453. }
  8454. /* Prepare argument(s) and issue command */
  8455. for (idx = 0; idx < argc; idx++) {
  8456. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8457. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8458. cmd_args[idx]);
  8459. }
  8460. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8461. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8462. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8463. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8464. MDIO_84833_CMD_HDLR_STATUS, &val);
  8465. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8466. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8467. break;
  8468. usleep_range(1000, 2000);
  8469. }
  8470. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8471. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8472. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8473. return -EINVAL;
  8474. }
  8475. /* Gather returning data */
  8476. for (idx = 0; idx < argc; idx++) {
  8477. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8478. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8479. &cmd_args[idx]);
  8480. }
  8481. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8482. MDIO_84833_CMD_HDLR_STATUS,
  8483. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8484. return 0;
  8485. }
  8486. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8487. struct link_params *params,
  8488. struct link_vars *vars)
  8489. {
  8490. u32 pair_swap;
  8491. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8492. int status;
  8493. struct bnx2x *bp = params->bp;
  8494. /* Check for configuration. */
  8495. pair_swap = REG_RD(bp, params->shmem_base +
  8496. offsetof(struct shmem_region,
  8497. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8498. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8499. if (pair_swap == 0)
  8500. return 0;
  8501. /* Only the second argument is used for this command */
  8502. data[1] = (u16)pair_swap;
  8503. status = bnx2x_84833_cmd_hdlr(phy, params,
  8504. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8505. if (status == 0)
  8506. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8507. return status;
  8508. }
  8509. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8510. u32 shmem_base_path[],
  8511. u32 chip_id)
  8512. {
  8513. u32 reset_pin[2];
  8514. u32 idx;
  8515. u8 reset_gpios;
  8516. if (CHIP_IS_E3(bp)) {
  8517. /* Assume that these will be GPIOs, not EPIOs. */
  8518. for (idx = 0; idx < 2; idx++) {
  8519. /* Map config param to register bit. */
  8520. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8521. offsetof(struct shmem_region,
  8522. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8523. reset_pin[idx] = (reset_pin[idx] &
  8524. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8525. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8526. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8527. reset_pin[idx] = (1 << reset_pin[idx]);
  8528. }
  8529. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8530. } else {
  8531. /* E2, look from diff place of shmem. */
  8532. for (idx = 0; idx < 2; idx++) {
  8533. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8534. offsetof(struct shmem_region,
  8535. dev_info.port_hw_config[0].default_cfg));
  8536. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8537. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8538. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8539. reset_pin[idx] = (1 << reset_pin[idx]);
  8540. }
  8541. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8542. }
  8543. return reset_gpios;
  8544. }
  8545. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8546. struct link_params *params)
  8547. {
  8548. struct bnx2x *bp = params->bp;
  8549. u8 reset_gpios;
  8550. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8551. offsetof(struct shmem2_region,
  8552. other_shmem_base_addr));
  8553. u32 shmem_base_path[2];
  8554. /* Work around for 84833 LED failure inside RESET status */
  8555. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8556. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8557. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8558. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8559. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8560. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8561. shmem_base_path[0] = params->shmem_base;
  8562. shmem_base_path[1] = other_shmem_base_addr;
  8563. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8564. params->chip_id);
  8565. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8566. udelay(10);
  8567. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8568. reset_gpios);
  8569. return 0;
  8570. }
  8571. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8572. struct link_params *params,
  8573. struct link_vars *vars)
  8574. {
  8575. int rc;
  8576. struct bnx2x *bp = params->bp;
  8577. u16 cmd_args = 0;
  8578. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8579. /* Prevent Phy from working in EEE and advertising it */
  8580. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8581. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8582. if (rc) {
  8583. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8584. return rc;
  8585. }
  8586. return bnx2x_eee_disable(phy, params, vars);
  8587. }
  8588. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8589. struct link_params *params,
  8590. struct link_vars *vars)
  8591. {
  8592. int rc;
  8593. struct bnx2x *bp = params->bp;
  8594. u16 cmd_args = 1;
  8595. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8596. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8597. if (rc) {
  8598. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8599. return rc;
  8600. }
  8601. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8602. }
  8603. #define PHY84833_CONSTANT_LATENCY 1193
  8604. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8605. struct link_params *params,
  8606. struct link_vars *vars)
  8607. {
  8608. struct bnx2x *bp = params->bp;
  8609. u8 port, initialize = 1;
  8610. u16 val;
  8611. u32 actual_phy_selection, cms_enable;
  8612. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8613. int rc = 0;
  8614. usleep_range(1000, 2000);
  8615. if (!(CHIP_IS_E1x(bp)))
  8616. port = BP_PATH(bp);
  8617. else
  8618. port = params->port;
  8619. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8620. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8621. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8622. port);
  8623. } else {
  8624. /* MDIO reset */
  8625. bnx2x_cl45_write(bp, phy,
  8626. MDIO_PMA_DEVAD,
  8627. MDIO_PMA_REG_CTRL, 0x8000);
  8628. }
  8629. bnx2x_wait_reset_complete(bp, phy, params);
  8630. /* Wait for GPHY to come out of reset */
  8631. msleep(50);
  8632. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8633. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8634. * behavior.
  8635. */
  8636. u16 temp;
  8637. temp = vars->line_speed;
  8638. vars->line_speed = SPEED_10000;
  8639. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8640. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8641. vars->line_speed = temp;
  8642. }
  8643. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8644. MDIO_CTL_REG_84823_MEDIA, &val);
  8645. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8646. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8647. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8648. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8649. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8650. if (CHIP_IS_E3(bp)) {
  8651. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8652. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8653. } else {
  8654. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8655. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8656. }
  8657. actual_phy_selection = bnx2x_phy_selection(params);
  8658. switch (actual_phy_selection) {
  8659. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8660. /* Do nothing. Essentially this is like the priority copper */
  8661. break;
  8662. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8663. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8664. break;
  8665. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8666. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8667. break;
  8668. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8669. /* Do nothing here. The first PHY won't be initialized at all */
  8670. break;
  8671. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8672. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8673. initialize = 0;
  8674. break;
  8675. }
  8676. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8677. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8678. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8679. MDIO_CTL_REG_84823_MEDIA, val);
  8680. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8681. params->multi_phy_config, val);
  8682. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8683. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8684. /* Keep AutogrEEEn disabled. */
  8685. cmd_args[0] = 0x0;
  8686. cmd_args[1] = 0x0;
  8687. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8688. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8689. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8690. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8691. PHY84833_CMDHDLR_MAX_ARGS);
  8692. if (rc)
  8693. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8694. }
  8695. if (initialize)
  8696. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8697. else
  8698. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8699. /* 84833 PHY has a better feature and doesn't need to support this. */
  8700. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8701. cms_enable = REG_RD(bp, params->shmem_base +
  8702. offsetof(struct shmem_region,
  8703. dev_info.port_hw_config[params->port].default_cfg)) &
  8704. PORT_HW_CFG_ENABLE_CMS_MASK;
  8705. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8706. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8707. if (cms_enable)
  8708. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8709. else
  8710. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8711. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8712. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8713. }
  8714. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8715. MDIO_84833_TOP_CFG_FW_REV, &val);
  8716. /* Configure EEE support */
  8717. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8718. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8719. bnx2x_eee_has_cap(params)) {
  8720. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8721. if (rc) {
  8722. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8723. bnx2x_8483x_disable_eee(phy, params, vars);
  8724. return rc;
  8725. }
  8726. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8727. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8728. (bnx2x_eee_calc_timer(params) ||
  8729. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8730. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8731. else
  8732. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8733. if (rc) {
  8734. DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n");
  8735. return rc;
  8736. }
  8737. } else {
  8738. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8739. }
  8740. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8741. /* Bring PHY out of super isolate mode as the final step. */
  8742. bnx2x_cl45_read(bp, phy,
  8743. MDIO_CTL_DEVAD,
  8744. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8745. val &= ~MDIO_84833_SUPER_ISOLATE;
  8746. bnx2x_cl45_write(bp, phy,
  8747. MDIO_CTL_DEVAD,
  8748. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8749. }
  8750. return rc;
  8751. }
  8752. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8753. struct link_params *params,
  8754. struct link_vars *vars)
  8755. {
  8756. struct bnx2x *bp = params->bp;
  8757. u16 val, val1, val2;
  8758. u8 link_up = 0;
  8759. /* Check 10G-BaseT link status */
  8760. /* Check PMD signal ok */
  8761. bnx2x_cl45_read(bp, phy,
  8762. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8763. bnx2x_cl45_read(bp, phy,
  8764. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8765. &val2);
  8766. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8767. /* Check link 10G */
  8768. if (val2 & (1<<11)) {
  8769. vars->line_speed = SPEED_10000;
  8770. vars->duplex = DUPLEX_FULL;
  8771. link_up = 1;
  8772. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8773. } else { /* Check Legacy speed link */
  8774. u16 legacy_status, legacy_speed;
  8775. /* Enable expansion register 0x42 (Operation mode status) */
  8776. bnx2x_cl45_write(bp, phy,
  8777. MDIO_AN_DEVAD,
  8778. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8779. /* Get legacy speed operation status */
  8780. bnx2x_cl45_read(bp, phy,
  8781. MDIO_AN_DEVAD,
  8782. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8783. &legacy_status);
  8784. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8785. legacy_status);
  8786. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8787. legacy_speed = (legacy_status & (3<<9));
  8788. if (legacy_speed == (0<<9))
  8789. vars->line_speed = SPEED_10;
  8790. else if (legacy_speed == (1<<9))
  8791. vars->line_speed = SPEED_100;
  8792. else if (legacy_speed == (2<<9))
  8793. vars->line_speed = SPEED_1000;
  8794. else { /* Should not happen: Treat as link down */
  8795. vars->line_speed = 0;
  8796. link_up = 0;
  8797. }
  8798. if (link_up) {
  8799. if (legacy_status & (1<<8))
  8800. vars->duplex = DUPLEX_FULL;
  8801. else
  8802. vars->duplex = DUPLEX_HALF;
  8803. DP(NETIF_MSG_LINK,
  8804. "Link is up in %dMbps, is_duplex_full= %d\n",
  8805. vars->line_speed,
  8806. (vars->duplex == DUPLEX_FULL));
  8807. /* Check legacy speed AN resolution */
  8808. bnx2x_cl45_read(bp, phy,
  8809. MDIO_AN_DEVAD,
  8810. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8811. &val);
  8812. if (val & (1<<5))
  8813. vars->link_status |=
  8814. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8815. bnx2x_cl45_read(bp, phy,
  8816. MDIO_AN_DEVAD,
  8817. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8818. &val);
  8819. if ((val & (1<<0)) == 0)
  8820. vars->link_status |=
  8821. LINK_STATUS_PARALLEL_DETECTION_USED;
  8822. }
  8823. }
  8824. if (link_up) {
  8825. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  8826. vars->line_speed);
  8827. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8828. /* Read LP advertised speeds */
  8829. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8830. MDIO_AN_REG_CL37_FC_LP, &val);
  8831. if (val & (1<<5))
  8832. vars->link_status |=
  8833. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8834. if (val & (1<<6))
  8835. vars->link_status |=
  8836. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8837. if (val & (1<<7))
  8838. vars->link_status |=
  8839. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8840. if (val & (1<<8))
  8841. vars->link_status |=
  8842. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8843. if (val & (1<<9))
  8844. vars->link_status |=
  8845. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8846. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8847. MDIO_AN_REG_1000T_STATUS, &val);
  8848. if (val & (1<<10))
  8849. vars->link_status |=
  8850. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8851. if (val & (1<<11))
  8852. vars->link_status |=
  8853. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8854. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8855. MDIO_AN_REG_MASTER_STATUS, &val);
  8856. if (val & (1<<11))
  8857. vars->link_status |=
  8858. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8859. /* Determine if EEE was negotiated */
  8860. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8861. bnx2x_eee_an_resolve(phy, params, vars);
  8862. }
  8863. return link_up;
  8864. }
  8865. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8866. {
  8867. int status = 0;
  8868. u32 spirom_ver;
  8869. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8870. status = bnx2x_format_ver(spirom_ver, str, len);
  8871. return status;
  8872. }
  8873. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8874. struct link_params *params)
  8875. {
  8876. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8877. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8878. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8879. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8880. }
  8881. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8882. struct link_params *params)
  8883. {
  8884. bnx2x_cl45_write(params->bp, phy,
  8885. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8886. bnx2x_cl45_write(params->bp, phy,
  8887. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8888. }
  8889. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8890. struct link_params *params)
  8891. {
  8892. struct bnx2x *bp = params->bp;
  8893. u8 port;
  8894. u16 val16;
  8895. if (!(CHIP_IS_E1x(bp)))
  8896. port = BP_PATH(bp);
  8897. else
  8898. port = params->port;
  8899. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8900. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8901. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8902. port);
  8903. } else {
  8904. bnx2x_cl45_read(bp, phy,
  8905. MDIO_CTL_DEVAD,
  8906. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8907. val16 |= MDIO_84833_SUPER_ISOLATE;
  8908. bnx2x_cl45_write(bp, phy,
  8909. MDIO_CTL_DEVAD,
  8910. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8911. }
  8912. }
  8913. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8914. struct link_params *params, u8 mode)
  8915. {
  8916. struct bnx2x *bp = params->bp;
  8917. u16 val;
  8918. u8 port;
  8919. if (!(CHIP_IS_E1x(bp)))
  8920. port = BP_PATH(bp);
  8921. else
  8922. port = params->port;
  8923. switch (mode) {
  8924. case LED_MODE_OFF:
  8925. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8926. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8927. SHARED_HW_CFG_LED_EXTPHY1) {
  8928. /* Set LED masks */
  8929. bnx2x_cl45_write(bp, phy,
  8930. MDIO_PMA_DEVAD,
  8931. MDIO_PMA_REG_8481_LED1_MASK,
  8932. 0x0);
  8933. bnx2x_cl45_write(bp, phy,
  8934. MDIO_PMA_DEVAD,
  8935. MDIO_PMA_REG_8481_LED2_MASK,
  8936. 0x0);
  8937. bnx2x_cl45_write(bp, phy,
  8938. MDIO_PMA_DEVAD,
  8939. MDIO_PMA_REG_8481_LED3_MASK,
  8940. 0x0);
  8941. bnx2x_cl45_write(bp, phy,
  8942. MDIO_PMA_DEVAD,
  8943. MDIO_PMA_REG_8481_LED5_MASK,
  8944. 0x0);
  8945. } else {
  8946. bnx2x_cl45_write(bp, phy,
  8947. MDIO_PMA_DEVAD,
  8948. MDIO_PMA_REG_8481_LED1_MASK,
  8949. 0x0);
  8950. }
  8951. break;
  8952. case LED_MODE_FRONT_PANEL_OFF:
  8953. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8954. port);
  8955. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8956. SHARED_HW_CFG_LED_EXTPHY1) {
  8957. /* Set LED masks */
  8958. bnx2x_cl45_write(bp, phy,
  8959. MDIO_PMA_DEVAD,
  8960. MDIO_PMA_REG_8481_LED1_MASK,
  8961. 0x0);
  8962. bnx2x_cl45_write(bp, phy,
  8963. MDIO_PMA_DEVAD,
  8964. MDIO_PMA_REG_8481_LED2_MASK,
  8965. 0x0);
  8966. bnx2x_cl45_write(bp, phy,
  8967. MDIO_PMA_DEVAD,
  8968. MDIO_PMA_REG_8481_LED3_MASK,
  8969. 0x0);
  8970. bnx2x_cl45_write(bp, phy,
  8971. MDIO_PMA_DEVAD,
  8972. MDIO_PMA_REG_8481_LED5_MASK,
  8973. 0x20);
  8974. } else {
  8975. bnx2x_cl45_write(bp, phy,
  8976. MDIO_PMA_DEVAD,
  8977. MDIO_PMA_REG_8481_LED1_MASK,
  8978. 0x0);
  8979. }
  8980. break;
  8981. case LED_MODE_ON:
  8982. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8983. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8984. SHARED_HW_CFG_LED_EXTPHY1) {
  8985. /* Set control reg */
  8986. bnx2x_cl45_read(bp, phy,
  8987. MDIO_PMA_DEVAD,
  8988. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8989. &val);
  8990. val &= 0x8000;
  8991. val |= 0x2492;
  8992. bnx2x_cl45_write(bp, phy,
  8993. MDIO_PMA_DEVAD,
  8994. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8995. val);
  8996. /* Set LED masks */
  8997. bnx2x_cl45_write(bp, phy,
  8998. MDIO_PMA_DEVAD,
  8999. MDIO_PMA_REG_8481_LED1_MASK,
  9000. 0x0);
  9001. bnx2x_cl45_write(bp, phy,
  9002. MDIO_PMA_DEVAD,
  9003. MDIO_PMA_REG_8481_LED2_MASK,
  9004. 0x20);
  9005. bnx2x_cl45_write(bp, phy,
  9006. MDIO_PMA_DEVAD,
  9007. MDIO_PMA_REG_8481_LED3_MASK,
  9008. 0x20);
  9009. bnx2x_cl45_write(bp, phy,
  9010. MDIO_PMA_DEVAD,
  9011. MDIO_PMA_REG_8481_LED5_MASK,
  9012. 0x0);
  9013. } else {
  9014. bnx2x_cl45_write(bp, phy,
  9015. MDIO_PMA_DEVAD,
  9016. MDIO_PMA_REG_8481_LED1_MASK,
  9017. 0x20);
  9018. }
  9019. break;
  9020. case LED_MODE_OPER:
  9021. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9022. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9023. SHARED_HW_CFG_LED_EXTPHY1) {
  9024. /* Set control reg */
  9025. bnx2x_cl45_read(bp, phy,
  9026. MDIO_PMA_DEVAD,
  9027. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9028. &val);
  9029. if (!((val &
  9030. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9031. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9032. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9033. bnx2x_cl45_write(bp, phy,
  9034. MDIO_PMA_DEVAD,
  9035. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9036. 0xa492);
  9037. }
  9038. /* Set LED masks */
  9039. bnx2x_cl45_write(bp, phy,
  9040. MDIO_PMA_DEVAD,
  9041. MDIO_PMA_REG_8481_LED1_MASK,
  9042. 0x10);
  9043. bnx2x_cl45_write(bp, phy,
  9044. MDIO_PMA_DEVAD,
  9045. MDIO_PMA_REG_8481_LED2_MASK,
  9046. 0x80);
  9047. bnx2x_cl45_write(bp, phy,
  9048. MDIO_PMA_DEVAD,
  9049. MDIO_PMA_REG_8481_LED3_MASK,
  9050. 0x98);
  9051. bnx2x_cl45_write(bp, phy,
  9052. MDIO_PMA_DEVAD,
  9053. MDIO_PMA_REG_8481_LED5_MASK,
  9054. 0x40);
  9055. } else {
  9056. bnx2x_cl45_write(bp, phy,
  9057. MDIO_PMA_DEVAD,
  9058. MDIO_PMA_REG_8481_LED1_MASK,
  9059. 0x80);
  9060. /* Tell LED3 to blink on source */
  9061. bnx2x_cl45_read(bp, phy,
  9062. MDIO_PMA_DEVAD,
  9063. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9064. &val);
  9065. val &= ~(7<<6);
  9066. val |= (1<<6); /* A83B[8:6]= 1 */
  9067. bnx2x_cl45_write(bp, phy,
  9068. MDIO_PMA_DEVAD,
  9069. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9070. val);
  9071. }
  9072. break;
  9073. }
  9074. /* This is a workaround for E3+84833 until autoneg
  9075. * restart is fixed in f/w
  9076. */
  9077. if (CHIP_IS_E3(bp)) {
  9078. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9079. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9080. }
  9081. }
  9082. /******************************************************************/
  9083. /* 54618SE PHY SECTION */
  9084. /******************************************************************/
  9085. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9086. struct link_params *params,
  9087. u32 action)
  9088. {
  9089. struct bnx2x *bp = params->bp;
  9090. u16 temp;
  9091. switch (action) {
  9092. case PHY_INIT:
  9093. /* Configure LED4: set to INTR (0x6). */
  9094. /* Accessing shadow register 0xe. */
  9095. bnx2x_cl22_write(bp, phy,
  9096. MDIO_REG_GPHY_SHADOW,
  9097. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9098. bnx2x_cl22_read(bp, phy,
  9099. MDIO_REG_GPHY_SHADOW,
  9100. &temp);
  9101. temp &= ~(0xf << 4);
  9102. temp |= (0x6 << 4);
  9103. bnx2x_cl22_write(bp, phy,
  9104. MDIO_REG_GPHY_SHADOW,
  9105. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9106. /* Configure INTR based on link status change. */
  9107. bnx2x_cl22_write(bp, phy,
  9108. MDIO_REG_INTR_MASK,
  9109. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9110. break;
  9111. }
  9112. }
  9113. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9114. struct link_params *params,
  9115. struct link_vars *vars)
  9116. {
  9117. struct bnx2x *bp = params->bp;
  9118. u8 port;
  9119. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9120. u32 cfg_pin;
  9121. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9122. usleep_range(1000, 2000);
  9123. /* This works with E3 only, no need to check the chip
  9124. * before determining the port.
  9125. */
  9126. port = params->port;
  9127. cfg_pin = (REG_RD(bp, params->shmem_base +
  9128. offsetof(struct shmem_region,
  9129. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9130. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9131. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9132. /* Drive pin high to bring the GPHY out of reset. */
  9133. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9134. /* wait for GPHY to reset */
  9135. msleep(50);
  9136. /* reset phy */
  9137. bnx2x_cl22_write(bp, phy,
  9138. MDIO_PMA_REG_CTRL, 0x8000);
  9139. bnx2x_wait_reset_complete(bp, phy, params);
  9140. /* Wait for GPHY to reset */
  9141. msleep(50);
  9142. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9143. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9144. bnx2x_cl22_write(bp, phy,
  9145. MDIO_REG_GPHY_SHADOW,
  9146. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9147. bnx2x_cl22_read(bp, phy,
  9148. MDIO_REG_GPHY_SHADOW,
  9149. &temp);
  9150. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9151. bnx2x_cl22_write(bp, phy,
  9152. MDIO_REG_GPHY_SHADOW,
  9153. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9154. /* Set up fc */
  9155. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9156. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9157. fc_val = 0;
  9158. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9159. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9160. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9161. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9162. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9163. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9164. /* Read all advertisement */
  9165. bnx2x_cl22_read(bp, phy,
  9166. 0x09,
  9167. &an_1000_val);
  9168. bnx2x_cl22_read(bp, phy,
  9169. 0x04,
  9170. &an_10_100_val);
  9171. bnx2x_cl22_read(bp, phy,
  9172. MDIO_PMA_REG_CTRL,
  9173. &autoneg_val);
  9174. /* Disable forced speed */
  9175. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9176. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9177. (1<<11));
  9178. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9179. (phy->speed_cap_mask &
  9180. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9181. (phy->req_line_speed == SPEED_1000)) {
  9182. an_1000_val |= (1<<8);
  9183. autoneg_val |= (1<<9 | 1<<12);
  9184. if (phy->req_duplex == DUPLEX_FULL)
  9185. an_1000_val |= (1<<9);
  9186. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9187. } else
  9188. an_1000_val &= ~((1<<8) | (1<<9));
  9189. bnx2x_cl22_write(bp, phy,
  9190. 0x09,
  9191. an_1000_val);
  9192. bnx2x_cl22_read(bp, phy,
  9193. 0x09,
  9194. &an_1000_val);
  9195. /* Set 100 speed advertisement */
  9196. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9197. (phy->speed_cap_mask &
  9198. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9199. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9200. an_10_100_val |= (1<<7);
  9201. /* Enable autoneg and restart autoneg for legacy speeds */
  9202. autoneg_val |= (1<<9 | 1<<12);
  9203. if (phy->req_duplex == DUPLEX_FULL)
  9204. an_10_100_val |= (1<<8);
  9205. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9206. }
  9207. /* Set 10 speed advertisement */
  9208. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9209. (phy->speed_cap_mask &
  9210. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9211. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9212. an_10_100_val |= (1<<5);
  9213. autoneg_val |= (1<<9 | 1<<12);
  9214. if (phy->req_duplex == DUPLEX_FULL)
  9215. an_10_100_val |= (1<<6);
  9216. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9217. }
  9218. /* Only 10/100 are allowed to work in FORCE mode */
  9219. if (phy->req_line_speed == SPEED_100) {
  9220. autoneg_val |= (1<<13);
  9221. /* Enabled AUTO-MDIX when autoneg is disabled */
  9222. bnx2x_cl22_write(bp, phy,
  9223. 0x18,
  9224. (1<<15 | 1<<9 | 7<<0));
  9225. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9226. }
  9227. if (phy->req_line_speed == SPEED_10) {
  9228. /* Enabled AUTO-MDIX when autoneg is disabled */
  9229. bnx2x_cl22_write(bp, phy,
  9230. 0x18,
  9231. (1<<15 | 1<<9 | 7<<0));
  9232. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9233. }
  9234. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9235. int rc;
  9236. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9237. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9238. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9239. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9240. temp &= 0xfffe;
  9241. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9242. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9243. if (rc) {
  9244. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9245. bnx2x_eee_disable(phy, params, vars);
  9246. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9247. (phy->req_duplex == DUPLEX_FULL) &&
  9248. (bnx2x_eee_calc_timer(params) ||
  9249. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9250. /* Need to advertise EEE only when requested,
  9251. * and either no LPI assertion was requested,
  9252. * or it was requested and a valid timer was set.
  9253. * Also notice full duplex is required for EEE.
  9254. */
  9255. bnx2x_eee_advertise(phy, params, vars,
  9256. SHMEM_EEE_1G_ADV);
  9257. } else {
  9258. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9259. bnx2x_eee_disable(phy, params, vars);
  9260. }
  9261. } else {
  9262. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9263. SHMEM_EEE_SUPPORTED_SHIFT;
  9264. if (phy->flags & FLAGS_EEE) {
  9265. /* Handle legacy auto-grEEEn */
  9266. if (params->feature_config_flags &
  9267. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9268. temp = 6;
  9269. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9270. } else {
  9271. temp = 0;
  9272. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9273. }
  9274. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9275. MDIO_AN_REG_EEE_ADV, temp);
  9276. }
  9277. }
  9278. bnx2x_cl22_write(bp, phy,
  9279. 0x04,
  9280. an_10_100_val | fc_val);
  9281. if (phy->req_duplex == DUPLEX_FULL)
  9282. autoneg_val |= (1<<8);
  9283. bnx2x_cl22_write(bp, phy,
  9284. MDIO_PMA_REG_CTRL, autoneg_val);
  9285. return 0;
  9286. }
  9287. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9288. struct link_params *params, u8 mode)
  9289. {
  9290. struct bnx2x *bp = params->bp;
  9291. u16 temp;
  9292. bnx2x_cl22_write(bp, phy,
  9293. MDIO_REG_GPHY_SHADOW,
  9294. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9295. bnx2x_cl22_read(bp, phy,
  9296. MDIO_REG_GPHY_SHADOW,
  9297. &temp);
  9298. temp &= 0xff00;
  9299. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9300. switch (mode) {
  9301. case LED_MODE_FRONT_PANEL_OFF:
  9302. case LED_MODE_OFF:
  9303. temp |= 0x00ee;
  9304. break;
  9305. case LED_MODE_OPER:
  9306. temp |= 0x0001;
  9307. break;
  9308. case LED_MODE_ON:
  9309. temp |= 0x00ff;
  9310. break;
  9311. default:
  9312. break;
  9313. }
  9314. bnx2x_cl22_write(bp, phy,
  9315. MDIO_REG_GPHY_SHADOW,
  9316. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9317. return;
  9318. }
  9319. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9320. struct link_params *params)
  9321. {
  9322. struct bnx2x *bp = params->bp;
  9323. u32 cfg_pin;
  9324. u8 port;
  9325. /* In case of no EPIO routed to reset the GPHY, put it
  9326. * in low power mode.
  9327. */
  9328. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9329. /* This works with E3 only, no need to check the chip
  9330. * before determining the port.
  9331. */
  9332. port = params->port;
  9333. cfg_pin = (REG_RD(bp, params->shmem_base +
  9334. offsetof(struct shmem_region,
  9335. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9336. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9337. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9338. /* Drive pin low to put GPHY in reset. */
  9339. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9340. }
  9341. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9342. struct link_params *params,
  9343. struct link_vars *vars)
  9344. {
  9345. struct bnx2x *bp = params->bp;
  9346. u16 val;
  9347. u8 link_up = 0;
  9348. u16 legacy_status, legacy_speed;
  9349. /* Get speed operation status */
  9350. bnx2x_cl22_read(bp, phy,
  9351. MDIO_REG_GPHY_AUX_STATUS,
  9352. &legacy_status);
  9353. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9354. /* Read status to clear the PHY interrupt. */
  9355. bnx2x_cl22_read(bp, phy,
  9356. MDIO_REG_INTR_STATUS,
  9357. &val);
  9358. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9359. if (link_up) {
  9360. legacy_speed = (legacy_status & (7<<8));
  9361. if (legacy_speed == (7<<8)) {
  9362. vars->line_speed = SPEED_1000;
  9363. vars->duplex = DUPLEX_FULL;
  9364. } else if (legacy_speed == (6<<8)) {
  9365. vars->line_speed = SPEED_1000;
  9366. vars->duplex = DUPLEX_HALF;
  9367. } else if (legacy_speed == (5<<8)) {
  9368. vars->line_speed = SPEED_100;
  9369. vars->duplex = DUPLEX_FULL;
  9370. }
  9371. /* Omitting 100Base-T4 for now */
  9372. else if (legacy_speed == (3<<8)) {
  9373. vars->line_speed = SPEED_100;
  9374. vars->duplex = DUPLEX_HALF;
  9375. } else if (legacy_speed == (2<<8)) {
  9376. vars->line_speed = SPEED_10;
  9377. vars->duplex = DUPLEX_FULL;
  9378. } else if (legacy_speed == (1<<8)) {
  9379. vars->line_speed = SPEED_10;
  9380. vars->duplex = DUPLEX_HALF;
  9381. } else /* Should not happen */
  9382. vars->line_speed = 0;
  9383. DP(NETIF_MSG_LINK,
  9384. "Link is up in %dMbps, is_duplex_full= %d\n",
  9385. vars->line_speed,
  9386. (vars->duplex == DUPLEX_FULL));
  9387. /* Check legacy speed AN resolution */
  9388. bnx2x_cl22_read(bp, phy,
  9389. 0x01,
  9390. &val);
  9391. if (val & (1<<5))
  9392. vars->link_status |=
  9393. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9394. bnx2x_cl22_read(bp, phy,
  9395. 0x06,
  9396. &val);
  9397. if ((val & (1<<0)) == 0)
  9398. vars->link_status |=
  9399. LINK_STATUS_PARALLEL_DETECTION_USED;
  9400. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9401. vars->line_speed);
  9402. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9403. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9404. /* Report LP advertised speeds */
  9405. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9406. if (val & (1<<5))
  9407. vars->link_status |=
  9408. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9409. if (val & (1<<6))
  9410. vars->link_status |=
  9411. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9412. if (val & (1<<7))
  9413. vars->link_status |=
  9414. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9415. if (val & (1<<8))
  9416. vars->link_status |=
  9417. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9418. if (val & (1<<9))
  9419. vars->link_status |=
  9420. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9421. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9422. if (val & (1<<10))
  9423. vars->link_status |=
  9424. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9425. if (val & (1<<11))
  9426. vars->link_status |=
  9427. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9428. if ((phy->flags & FLAGS_EEE) &&
  9429. bnx2x_eee_has_cap(params))
  9430. bnx2x_eee_an_resolve(phy, params, vars);
  9431. }
  9432. }
  9433. return link_up;
  9434. }
  9435. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9436. struct link_params *params)
  9437. {
  9438. struct bnx2x *bp = params->bp;
  9439. u16 val;
  9440. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9441. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9442. /* Enable master/slave manual mmode and set to master */
  9443. /* mii write 9 [bits set 11 12] */
  9444. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9445. /* forced 1G and disable autoneg */
  9446. /* set val [mii read 0] */
  9447. /* set val [expr $val & [bits clear 6 12 13]] */
  9448. /* set val [expr $val | [bits set 6 8]] */
  9449. /* mii write 0 $val */
  9450. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9451. val &= ~((1<<6) | (1<<12) | (1<<13));
  9452. val |= (1<<6) | (1<<8);
  9453. bnx2x_cl22_write(bp, phy, 0x00, val);
  9454. /* Set external loopback and Tx using 6dB coding */
  9455. /* mii write 0x18 7 */
  9456. /* set val [mii read 0x18] */
  9457. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9458. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9459. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9460. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9461. /* This register opens the gate for the UMAC despite its name */
  9462. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9463. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9464. * length used by the MAC receive logic to check frames.
  9465. */
  9466. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9467. }
  9468. /******************************************************************/
  9469. /* SFX7101 PHY SECTION */
  9470. /******************************************************************/
  9471. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9472. struct link_params *params)
  9473. {
  9474. struct bnx2x *bp = params->bp;
  9475. /* SFX7101_XGXS_TEST1 */
  9476. bnx2x_cl45_write(bp, phy,
  9477. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9478. }
  9479. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9480. struct link_params *params,
  9481. struct link_vars *vars)
  9482. {
  9483. u16 fw_ver1, fw_ver2, val;
  9484. struct bnx2x *bp = params->bp;
  9485. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9486. /* Restore normal power mode*/
  9487. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9488. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9489. /* HW reset */
  9490. bnx2x_ext_phy_hw_reset(bp, params->port);
  9491. bnx2x_wait_reset_complete(bp, phy, params);
  9492. bnx2x_cl45_write(bp, phy,
  9493. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9494. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9495. bnx2x_cl45_write(bp, phy,
  9496. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9497. bnx2x_ext_phy_set_pause(params, phy, vars);
  9498. /* Restart autoneg */
  9499. bnx2x_cl45_read(bp, phy,
  9500. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9501. val |= 0x200;
  9502. bnx2x_cl45_write(bp, phy,
  9503. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9504. /* Save spirom version */
  9505. bnx2x_cl45_read(bp, phy,
  9506. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9507. bnx2x_cl45_read(bp, phy,
  9508. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9509. bnx2x_save_spirom_version(bp, params->port,
  9510. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9511. return 0;
  9512. }
  9513. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9514. struct link_params *params,
  9515. struct link_vars *vars)
  9516. {
  9517. struct bnx2x *bp = params->bp;
  9518. u8 link_up;
  9519. u16 val1, val2;
  9520. bnx2x_cl45_read(bp, phy,
  9521. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9522. bnx2x_cl45_read(bp, phy,
  9523. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9524. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9525. val2, val1);
  9526. bnx2x_cl45_read(bp, phy,
  9527. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9528. bnx2x_cl45_read(bp, phy,
  9529. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9530. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9531. val2, val1);
  9532. link_up = ((val1 & 4) == 4);
  9533. /* If link is up print the AN outcome of the SFX7101 PHY */
  9534. if (link_up) {
  9535. bnx2x_cl45_read(bp, phy,
  9536. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9537. &val2);
  9538. vars->line_speed = SPEED_10000;
  9539. vars->duplex = DUPLEX_FULL;
  9540. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9541. val2, (val2 & (1<<14)));
  9542. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9543. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9544. /* Read LP advertised speeds */
  9545. if (val2 & (1<<11))
  9546. vars->link_status |=
  9547. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9548. }
  9549. return link_up;
  9550. }
  9551. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9552. {
  9553. if (*len < 5)
  9554. return -EINVAL;
  9555. str[0] = (spirom_ver & 0xFF);
  9556. str[1] = (spirom_ver & 0xFF00) >> 8;
  9557. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9558. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9559. str[4] = '\0';
  9560. *len -= 5;
  9561. return 0;
  9562. }
  9563. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9564. {
  9565. u16 val, cnt;
  9566. bnx2x_cl45_read(bp, phy,
  9567. MDIO_PMA_DEVAD,
  9568. MDIO_PMA_REG_7101_RESET, &val);
  9569. for (cnt = 0; cnt < 10; cnt++) {
  9570. msleep(50);
  9571. /* Writes a self-clearing reset */
  9572. bnx2x_cl45_write(bp, phy,
  9573. MDIO_PMA_DEVAD,
  9574. MDIO_PMA_REG_7101_RESET,
  9575. (val | (1<<15)));
  9576. /* Wait for clear */
  9577. bnx2x_cl45_read(bp, phy,
  9578. MDIO_PMA_DEVAD,
  9579. MDIO_PMA_REG_7101_RESET, &val);
  9580. if ((val & (1<<15)) == 0)
  9581. break;
  9582. }
  9583. }
  9584. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9585. struct link_params *params) {
  9586. /* Low power mode is controlled by GPIO 2 */
  9587. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9588. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9589. /* The PHY reset is controlled by GPIO 1 */
  9590. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9591. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9592. }
  9593. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9594. struct link_params *params, u8 mode)
  9595. {
  9596. u16 val = 0;
  9597. struct bnx2x *bp = params->bp;
  9598. switch (mode) {
  9599. case LED_MODE_FRONT_PANEL_OFF:
  9600. case LED_MODE_OFF:
  9601. val = 2;
  9602. break;
  9603. case LED_MODE_ON:
  9604. val = 1;
  9605. break;
  9606. case LED_MODE_OPER:
  9607. val = 0;
  9608. break;
  9609. }
  9610. bnx2x_cl45_write(bp, phy,
  9611. MDIO_PMA_DEVAD,
  9612. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9613. val);
  9614. }
  9615. /******************************************************************/
  9616. /* STATIC PHY DECLARATION */
  9617. /******************************************************************/
  9618. static struct bnx2x_phy phy_null = {
  9619. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9620. .addr = 0,
  9621. .def_md_devad = 0,
  9622. .flags = FLAGS_INIT_XGXS_FIRST,
  9623. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9624. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9625. .mdio_ctrl = 0,
  9626. .supported = 0,
  9627. .media_type = ETH_PHY_NOT_PRESENT,
  9628. .ver_addr = 0,
  9629. .req_flow_ctrl = 0,
  9630. .req_line_speed = 0,
  9631. .speed_cap_mask = 0,
  9632. .req_duplex = 0,
  9633. .rsrv = 0,
  9634. .config_init = (config_init_t)NULL,
  9635. .read_status = (read_status_t)NULL,
  9636. .link_reset = (link_reset_t)NULL,
  9637. .config_loopback = (config_loopback_t)NULL,
  9638. .format_fw_ver = (format_fw_ver_t)NULL,
  9639. .hw_reset = (hw_reset_t)NULL,
  9640. .set_link_led = (set_link_led_t)NULL,
  9641. .phy_specific_func = (phy_specific_func_t)NULL
  9642. };
  9643. static struct bnx2x_phy phy_serdes = {
  9644. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9645. .addr = 0xff,
  9646. .def_md_devad = 0,
  9647. .flags = 0,
  9648. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9649. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9650. .mdio_ctrl = 0,
  9651. .supported = (SUPPORTED_10baseT_Half |
  9652. SUPPORTED_10baseT_Full |
  9653. SUPPORTED_100baseT_Half |
  9654. SUPPORTED_100baseT_Full |
  9655. SUPPORTED_1000baseT_Full |
  9656. SUPPORTED_2500baseX_Full |
  9657. SUPPORTED_TP |
  9658. SUPPORTED_Autoneg |
  9659. SUPPORTED_Pause |
  9660. SUPPORTED_Asym_Pause),
  9661. .media_type = ETH_PHY_BASE_T,
  9662. .ver_addr = 0,
  9663. .req_flow_ctrl = 0,
  9664. .req_line_speed = 0,
  9665. .speed_cap_mask = 0,
  9666. .req_duplex = 0,
  9667. .rsrv = 0,
  9668. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9669. .read_status = (read_status_t)bnx2x_link_settings_status,
  9670. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9671. .config_loopback = (config_loopback_t)NULL,
  9672. .format_fw_ver = (format_fw_ver_t)NULL,
  9673. .hw_reset = (hw_reset_t)NULL,
  9674. .set_link_led = (set_link_led_t)NULL,
  9675. .phy_specific_func = (phy_specific_func_t)NULL
  9676. };
  9677. static struct bnx2x_phy phy_xgxs = {
  9678. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9679. .addr = 0xff,
  9680. .def_md_devad = 0,
  9681. .flags = 0,
  9682. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9683. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9684. .mdio_ctrl = 0,
  9685. .supported = (SUPPORTED_10baseT_Half |
  9686. SUPPORTED_10baseT_Full |
  9687. SUPPORTED_100baseT_Half |
  9688. SUPPORTED_100baseT_Full |
  9689. SUPPORTED_1000baseT_Full |
  9690. SUPPORTED_2500baseX_Full |
  9691. SUPPORTED_10000baseT_Full |
  9692. SUPPORTED_FIBRE |
  9693. SUPPORTED_Autoneg |
  9694. SUPPORTED_Pause |
  9695. SUPPORTED_Asym_Pause),
  9696. .media_type = ETH_PHY_CX4,
  9697. .ver_addr = 0,
  9698. .req_flow_ctrl = 0,
  9699. .req_line_speed = 0,
  9700. .speed_cap_mask = 0,
  9701. .req_duplex = 0,
  9702. .rsrv = 0,
  9703. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9704. .read_status = (read_status_t)bnx2x_link_settings_status,
  9705. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9706. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9707. .format_fw_ver = (format_fw_ver_t)NULL,
  9708. .hw_reset = (hw_reset_t)NULL,
  9709. .set_link_led = (set_link_led_t)NULL,
  9710. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9711. };
  9712. static struct bnx2x_phy phy_warpcore = {
  9713. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9714. .addr = 0xff,
  9715. .def_md_devad = 0,
  9716. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9717. FLAGS_TX_ERROR_CHECK),
  9718. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9719. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9720. .mdio_ctrl = 0,
  9721. .supported = (SUPPORTED_10baseT_Half |
  9722. SUPPORTED_10baseT_Full |
  9723. SUPPORTED_100baseT_Half |
  9724. SUPPORTED_100baseT_Full |
  9725. SUPPORTED_1000baseT_Full |
  9726. SUPPORTED_10000baseT_Full |
  9727. SUPPORTED_20000baseKR2_Full |
  9728. SUPPORTED_20000baseMLD2_Full |
  9729. SUPPORTED_FIBRE |
  9730. SUPPORTED_Autoneg |
  9731. SUPPORTED_Pause |
  9732. SUPPORTED_Asym_Pause),
  9733. .media_type = ETH_PHY_UNSPECIFIED,
  9734. .ver_addr = 0,
  9735. .req_flow_ctrl = 0,
  9736. .req_line_speed = 0,
  9737. .speed_cap_mask = 0,
  9738. /* req_duplex = */0,
  9739. /* rsrv = */0,
  9740. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9741. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9742. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9743. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9744. .format_fw_ver = (format_fw_ver_t)NULL,
  9745. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9746. .set_link_led = (set_link_led_t)NULL,
  9747. .phy_specific_func = (phy_specific_func_t)NULL
  9748. };
  9749. static struct bnx2x_phy phy_7101 = {
  9750. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9751. .addr = 0xff,
  9752. .def_md_devad = 0,
  9753. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9754. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9755. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9756. .mdio_ctrl = 0,
  9757. .supported = (SUPPORTED_10000baseT_Full |
  9758. SUPPORTED_TP |
  9759. SUPPORTED_Autoneg |
  9760. SUPPORTED_Pause |
  9761. SUPPORTED_Asym_Pause),
  9762. .media_type = ETH_PHY_BASE_T,
  9763. .ver_addr = 0,
  9764. .req_flow_ctrl = 0,
  9765. .req_line_speed = 0,
  9766. .speed_cap_mask = 0,
  9767. .req_duplex = 0,
  9768. .rsrv = 0,
  9769. .config_init = (config_init_t)bnx2x_7101_config_init,
  9770. .read_status = (read_status_t)bnx2x_7101_read_status,
  9771. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9772. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9773. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9774. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9775. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9776. .phy_specific_func = (phy_specific_func_t)NULL
  9777. };
  9778. static struct bnx2x_phy phy_8073 = {
  9779. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9780. .addr = 0xff,
  9781. .def_md_devad = 0,
  9782. .flags = FLAGS_HW_LOCK_REQUIRED,
  9783. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9784. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9785. .mdio_ctrl = 0,
  9786. .supported = (SUPPORTED_10000baseT_Full |
  9787. SUPPORTED_2500baseX_Full |
  9788. SUPPORTED_1000baseT_Full |
  9789. SUPPORTED_FIBRE |
  9790. SUPPORTED_Autoneg |
  9791. SUPPORTED_Pause |
  9792. SUPPORTED_Asym_Pause),
  9793. .media_type = ETH_PHY_KR,
  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_8073_config_init,
  9801. .read_status = (read_status_t)bnx2x_8073_read_status,
  9802. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9803. .config_loopback = (config_loopback_t)NULL,
  9804. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9805. .hw_reset = (hw_reset_t)NULL,
  9806. .set_link_led = (set_link_led_t)NULL,
  9807. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  9808. };
  9809. static struct bnx2x_phy phy_8705 = {
  9810. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9811. .addr = 0xff,
  9812. .def_md_devad = 0,
  9813. .flags = FLAGS_INIT_XGXS_FIRST,
  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_FIBRE |
  9819. SUPPORTED_Pause |
  9820. SUPPORTED_Asym_Pause),
  9821. .media_type = ETH_PHY_XFP_FIBER,
  9822. .ver_addr = 0,
  9823. .req_flow_ctrl = 0,
  9824. .req_line_speed = 0,
  9825. .speed_cap_mask = 0,
  9826. .req_duplex = 0,
  9827. .rsrv = 0,
  9828. .config_init = (config_init_t)bnx2x_8705_config_init,
  9829. .read_status = (read_status_t)bnx2x_8705_read_status,
  9830. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9831. .config_loopback = (config_loopback_t)NULL,
  9832. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9833. .hw_reset = (hw_reset_t)NULL,
  9834. .set_link_led = (set_link_led_t)NULL,
  9835. .phy_specific_func = (phy_specific_func_t)NULL
  9836. };
  9837. static struct bnx2x_phy phy_8706 = {
  9838. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9839. .addr = 0xff,
  9840. .def_md_devad = 0,
  9841. .flags = FLAGS_INIT_XGXS_FIRST,
  9842. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9843. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9844. .mdio_ctrl = 0,
  9845. .supported = (SUPPORTED_10000baseT_Full |
  9846. SUPPORTED_1000baseT_Full |
  9847. SUPPORTED_FIBRE |
  9848. SUPPORTED_Pause |
  9849. SUPPORTED_Asym_Pause),
  9850. .media_type = ETH_PHY_SFPP_10G_FIBER,
  9851. .ver_addr = 0,
  9852. .req_flow_ctrl = 0,
  9853. .req_line_speed = 0,
  9854. .speed_cap_mask = 0,
  9855. .req_duplex = 0,
  9856. .rsrv = 0,
  9857. .config_init = (config_init_t)bnx2x_8706_config_init,
  9858. .read_status = (read_status_t)bnx2x_8706_read_status,
  9859. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9860. .config_loopback = (config_loopback_t)NULL,
  9861. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9862. .hw_reset = (hw_reset_t)NULL,
  9863. .set_link_led = (set_link_led_t)NULL,
  9864. .phy_specific_func = (phy_specific_func_t)NULL
  9865. };
  9866. static struct bnx2x_phy phy_8726 = {
  9867. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9868. .addr = 0xff,
  9869. .def_md_devad = 0,
  9870. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9871. FLAGS_INIT_XGXS_FIRST |
  9872. FLAGS_TX_ERROR_CHECK),
  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_Autoneg |
  9879. SUPPORTED_FIBRE |
  9880. SUPPORTED_Pause |
  9881. SUPPORTED_Asym_Pause),
  9882. .media_type = ETH_PHY_NOT_PRESENT,
  9883. .ver_addr = 0,
  9884. .req_flow_ctrl = 0,
  9885. .req_line_speed = 0,
  9886. .speed_cap_mask = 0,
  9887. .req_duplex = 0,
  9888. .rsrv = 0,
  9889. .config_init = (config_init_t)bnx2x_8726_config_init,
  9890. .read_status = (read_status_t)bnx2x_8726_read_status,
  9891. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9892. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9893. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9894. .hw_reset = (hw_reset_t)NULL,
  9895. .set_link_led = (set_link_led_t)NULL,
  9896. .phy_specific_func = (phy_specific_func_t)NULL
  9897. };
  9898. static struct bnx2x_phy phy_8727 = {
  9899. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9900. .addr = 0xff,
  9901. .def_md_devad = 0,
  9902. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  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_FIBRE |
  9910. SUPPORTED_Pause |
  9911. SUPPORTED_Asym_Pause),
  9912. .media_type = ETH_PHY_NOT_PRESENT,
  9913. .ver_addr = 0,
  9914. .req_flow_ctrl = 0,
  9915. .req_line_speed = 0,
  9916. .speed_cap_mask = 0,
  9917. .req_duplex = 0,
  9918. .rsrv = 0,
  9919. .config_init = (config_init_t)bnx2x_8727_config_init,
  9920. .read_status = (read_status_t)bnx2x_8727_read_status,
  9921. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9922. .config_loopback = (config_loopback_t)NULL,
  9923. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9924. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9925. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9926. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9927. };
  9928. static struct bnx2x_phy phy_8481 = {
  9929. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9930. .addr = 0xff,
  9931. .def_md_devad = 0,
  9932. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9933. FLAGS_REARM_LATCH_SIGNAL,
  9934. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9935. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9936. .mdio_ctrl = 0,
  9937. .supported = (SUPPORTED_10baseT_Half |
  9938. SUPPORTED_10baseT_Full |
  9939. SUPPORTED_100baseT_Half |
  9940. SUPPORTED_100baseT_Full |
  9941. SUPPORTED_1000baseT_Full |
  9942. SUPPORTED_10000baseT_Full |
  9943. SUPPORTED_TP |
  9944. SUPPORTED_Autoneg |
  9945. SUPPORTED_Pause |
  9946. SUPPORTED_Asym_Pause),
  9947. .media_type = ETH_PHY_BASE_T,
  9948. .ver_addr = 0,
  9949. .req_flow_ctrl = 0,
  9950. .req_line_speed = 0,
  9951. .speed_cap_mask = 0,
  9952. .req_duplex = 0,
  9953. .rsrv = 0,
  9954. .config_init = (config_init_t)bnx2x_8481_config_init,
  9955. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9956. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9957. .config_loopback = (config_loopback_t)NULL,
  9958. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9959. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9960. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9961. .phy_specific_func = (phy_specific_func_t)NULL
  9962. };
  9963. static struct bnx2x_phy phy_84823 = {
  9964. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9965. .addr = 0xff,
  9966. .def_md_devad = 0,
  9967. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9968. FLAGS_REARM_LATCH_SIGNAL |
  9969. FLAGS_TX_ERROR_CHECK),
  9970. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9971. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9972. .mdio_ctrl = 0,
  9973. .supported = (SUPPORTED_10baseT_Half |
  9974. SUPPORTED_10baseT_Full |
  9975. SUPPORTED_100baseT_Half |
  9976. SUPPORTED_100baseT_Full |
  9977. SUPPORTED_1000baseT_Full |
  9978. SUPPORTED_10000baseT_Full |
  9979. SUPPORTED_TP |
  9980. SUPPORTED_Autoneg |
  9981. SUPPORTED_Pause |
  9982. SUPPORTED_Asym_Pause),
  9983. .media_type = ETH_PHY_BASE_T,
  9984. .ver_addr = 0,
  9985. .req_flow_ctrl = 0,
  9986. .req_line_speed = 0,
  9987. .speed_cap_mask = 0,
  9988. .req_duplex = 0,
  9989. .rsrv = 0,
  9990. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9991. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9992. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9993. .config_loopback = (config_loopback_t)NULL,
  9994. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9995. .hw_reset = (hw_reset_t)NULL,
  9996. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9997. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  9998. };
  9999. static struct bnx2x_phy phy_84833 = {
  10000. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10001. .addr = 0xff,
  10002. .def_md_devad = 0,
  10003. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10004. FLAGS_REARM_LATCH_SIGNAL |
  10005. FLAGS_TX_ERROR_CHECK),
  10006. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10007. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10008. .mdio_ctrl = 0,
  10009. .supported = (SUPPORTED_100baseT_Half |
  10010. SUPPORTED_100baseT_Full |
  10011. SUPPORTED_1000baseT_Full |
  10012. SUPPORTED_10000baseT_Full |
  10013. SUPPORTED_TP |
  10014. SUPPORTED_Autoneg |
  10015. SUPPORTED_Pause |
  10016. SUPPORTED_Asym_Pause),
  10017. .media_type = ETH_PHY_BASE_T,
  10018. .ver_addr = 0,
  10019. .req_flow_ctrl = 0,
  10020. .req_line_speed = 0,
  10021. .speed_cap_mask = 0,
  10022. .req_duplex = 0,
  10023. .rsrv = 0,
  10024. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10025. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10026. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10027. .config_loopback = (config_loopback_t)NULL,
  10028. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10029. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10030. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10031. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10032. };
  10033. static struct bnx2x_phy phy_54618se = {
  10034. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10035. .addr = 0xff,
  10036. .def_md_devad = 0,
  10037. .flags = FLAGS_INIT_XGXS_FIRST,
  10038. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10039. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10040. .mdio_ctrl = 0,
  10041. .supported = (SUPPORTED_10baseT_Half |
  10042. SUPPORTED_10baseT_Full |
  10043. SUPPORTED_100baseT_Half |
  10044. SUPPORTED_100baseT_Full |
  10045. SUPPORTED_1000baseT_Full |
  10046. SUPPORTED_TP |
  10047. SUPPORTED_Autoneg |
  10048. SUPPORTED_Pause |
  10049. SUPPORTED_Asym_Pause),
  10050. .media_type = ETH_PHY_BASE_T,
  10051. .ver_addr = 0,
  10052. .req_flow_ctrl = 0,
  10053. .req_line_speed = 0,
  10054. .speed_cap_mask = 0,
  10055. /* req_duplex = */0,
  10056. /* rsrv = */0,
  10057. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10058. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10059. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10060. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10061. .format_fw_ver = (format_fw_ver_t)NULL,
  10062. .hw_reset = (hw_reset_t)NULL,
  10063. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10064. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10065. };
  10066. /*****************************************************************/
  10067. /* */
  10068. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10069. /* */
  10070. /*****************************************************************/
  10071. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10072. struct bnx2x_phy *phy, u8 port,
  10073. u8 phy_index)
  10074. {
  10075. /* Get the 4 lanes xgxs config rx and tx */
  10076. u32 rx = 0, tx = 0, i;
  10077. for (i = 0; i < 2; i++) {
  10078. /* INT_PHY and EXT_PHY1 share the same value location in
  10079. * the shmem. When num_phys is greater than 1, than this value
  10080. * applies only to EXT_PHY1
  10081. */
  10082. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10083. rx = REG_RD(bp, shmem_base +
  10084. offsetof(struct shmem_region,
  10085. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10086. tx = REG_RD(bp, shmem_base +
  10087. offsetof(struct shmem_region,
  10088. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10089. } else {
  10090. rx = REG_RD(bp, shmem_base +
  10091. offsetof(struct shmem_region,
  10092. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10093. tx = REG_RD(bp, shmem_base +
  10094. offsetof(struct shmem_region,
  10095. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10096. }
  10097. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10098. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10099. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10100. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10101. }
  10102. }
  10103. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10104. u8 phy_index, u8 port)
  10105. {
  10106. u32 ext_phy_config = 0;
  10107. switch (phy_index) {
  10108. case EXT_PHY1:
  10109. ext_phy_config = REG_RD(bp, shmem_base +
  10110. offsetof(struct shmem_region,
  10111. dev_info.port_hw_config[port].external_phy_config));
  10112. break;
  10113. case EXT_PHY2:
  10114. ext_phy_config = REG_RD(bp, shmem_base +
  10115. offsetof(struct shmem_region,
  10116. dev_info.port_hw_config[port].external_phy_config2));
  10117. break;
  10118. default:
  10119. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10120. return -EINVAL;
  10121. }
  10122. return ext_phy_config;
  10123. }
  10124. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10125. struct bnx2x_phy *phy)
  10126. {
  10127. u32 phy_addr;
  10128. u32 chip_id;
  10129. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10130. offsetof(struct shmem_region,
  10131. dev_info.port_feature_config[port].link_config)) &
  10132. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10133. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10134. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10135. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10136. if (USES_WARPCORE(bp)) {
  10137. u32 serdes_net_if;
  10138. phy_addr = REG_RD(bp,
  10139. MISC_REG_WC0_CTRL_PHY_ADDR);
  10140. *phy = phy_warpcore;
  10141. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10142. phy->flags |= FLAGS_4_PORT_MODE;
  10143. else
  10144. phy->flags &= ~FLAGS_4_PORT_MODE;
  10145. /* Check Dual mode */
  10146. serdes_net_if = (REG_RD(bp, shmem_base +
  10147. offsetof(struct shmem_region, dev_info.
  10148. port_hw_config[port].default_cfg)) &
  10149. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10150. /* Set the appropriate supported and flags indications per
  10151. * interface type of the chip
  10152. */
  10153. switch (serdes_net_if) {
  10154. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10155. phy->supported &= (SUPPORTED_10baseT_Half |
  10156. SUPPORTED_10baseT_Full |
  10157. SUPPORTED_100baseT_Half |
  10158. SUPPORTED_100baseT_Full |
  10159. SUPPORTED_1000baseT_Full |
  10160. SUPPORTED_FIBRE |
  10161. SUPPORTED_Autoneg |
  10162. SUPPORTED_Pause |
  10163. SUPPORTED_Asym_Pause);
  10164. phy->media_type = ETH_PHY_BASE_T;
  10165. break;
  10166. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10167. phy->media_type = ETH_PHY_XFP_FIBER;
  10168. break;
  10169. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10170. phy->supported &= (SUPPORTED_1000baseT_Full |
  10171. SUPPORTED_10000baseT_Full |
  10172. SUPPORTED_FIBRE |
  10173. SUPPORTED_Pause |
  10174. SUPPORTED_Asym_Pause);
  10175. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10176. break;
  10177. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10178. phy->media_type = ETH_PHY_KR;
  10179. phy->supported &= (SUPPORTED_1000baseT_Full |
  10180. SUPPORTED_10000baseT_Full |
  10181. SUPPORTED_FIBRE |
  10182. SUPPORTED_Autoneg |
  10183. SUPPORTED_Pause |
  10184. SUPPORTED_Asym_Pause);
  10185. break;
  10186. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10187. phy->media_type = ETH_PHY_KR;
  10188. phy->flags |= FLAGS_WC_DUAL_MODE;
  10189. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10190. SUPPORTED_FIBRE |
  10191. SUPPORTED_Pause |
  10192. SUPPORTED_Asym_Pause);
  10193. break;
  10194. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10195. phy->media_type = ETH_PHY_KR;
  10196. phy->flags |= FLAGS_WC_DUAL_MODE;
  10197. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10198. SUPPORTED_FIBRE |
  10199. SUPPORTED_Pause |
  10200. SUPPORTED_Asym_Pause);
  10201. break;
  10202. default:
  10203. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10204. serdes_net_if);
  10205. break;
  10206. }
  10207. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10208. * was not set as expected. For B0, ECO will be enabled so there
  10209. * won't be an issue there
  10210. */
  10211. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10212. phy->flags |= FLAGS_MDC_MDIO_WA;
  10213. else
  10214. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10215. } else {
  10216. switch (switch_cfg) {
  10217. case SWITCH_CFG_1G:
  10218. phy_addr = REG_RD(bp,
  10219. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10220. port * 0x10);
  10221. *phy = phy_serdes;
  10222. break;
  10223. case SWITCH_CFG_10G:
  10224. phy_addr = REG_RD(bp,
  10225. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10226. port * 0x18);
  10227. *phy = phy_xgxs;
  10228. break;
  10229. default:
  10230. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10231. return -EINVAL;
  10232. }
  10233. }
  10234. phy->addr = (u8)phy_addr;
  10235. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10236. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10237. port);
  10238. if (CHIP_IS_E2(bp))
  10239. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10240. else
  10241. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10242. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10243. port, phy->addr, phy->mdio_ctrl);
  10244. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10245. return 0;
  10246. }
  10247. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10248. u8 phy_index,
  10249. u32 shmem_base,
  10250. u32 shmem2_base,
  10251. u8 port,
  10252. struct bnx2x_phy *phy)
  10253. {
  10254. u32 ext_phy_config, phy_type, config2;
  10255. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10256. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10257. phy_index, port);
  10258. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10259. /* Select the phy type */
  10260. switch (phy_type) {
  10261. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10262. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10263. *phy = phy_8073;
  10264. break;
  10265. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10266. *phy = phy_8705;
  10267. break;
  10268. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10269. *phy = phy_8706;
  10270. break;
  10271. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10272. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10273. *phy = phy_8726;
  10274. break;
  10275. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10276. /* BCM8727_NOC => BCM8727 no over current */
  10277. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10278. *phy = phy_8727;
  10279. phy->flags |= FLAGS_NOC;
  10280. break;
  10281. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10282. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10283. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10284. *phy = phy_8727;
  10285. break;
  10286. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10287. *phy = phy_8481;
  10288. break;
  10289. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10290. *phy = phy_84823;
  10291. break;
  10292. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10293. *phy = phy_84833;
  10294. break;
  10295. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10296. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10297. *phy = phy_54618se;
  10298. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10299. phy->flags |= FLAGS_EEE;
  10300. break;
  10301. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10302. *phy = phy_7101;
  10303. break;
  10304. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10305. *phy = phy_null;
  10306. return -EINVAL;
  10307. default:
  10308. *phy = phy_null;
  10309. /* In case external PHY wasn't found */
  10310. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10311. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10312. return -EINVAL;
  10313. return 0;
  10314. }
  10315. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10316. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10317. /* The shmem address of the phy version is located on different
  10318. * structures. In case this structure is too old, do not set
  10319. * the address
  10320. */
  10321. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10322. dev_info.shared_hw_config.config2));
  10323. if (phy_index == EXT_PHY1) {
  10324. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10325. port_mb[port].ext_phy_fw_version);
  10326. /* Check specific mdc mdio settings */
  10327. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10328. mdc_mdio_access = config2 &
  10329. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10330. } else {
  10331. u32 size = REG_RD(bp, shmem2_base);
  10332. if (size >
  10333. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10334. phy->ver_addr = shmem2_base +
  10335. offsetof(struct shmem2_region,
  10336. ext_phy_fw_version2[port]);
  10337. }
  10338. /* Check specific mdc mdio settings */
  10339. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10340. mdc_mdio_access = (config2 &
  10341. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10342. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10343. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10344. }
  10345. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10346. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10347. (phy->ver_addr)) {
  10348. /* Remove 100Mb link supported for BCM84833 when phy fw
  10349. * version lower than or equal to 1.39
  10350. */
  10351. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10352. if (((raw_ver & 0x7F) <= 39) &&
  10353. (((raw_ver & 0xF80) >> 7) <= 1))
  10354. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10355. SUPPORTED_100baseT_Full);
  10356. }
  10357. /* In case mdc/mdio_access of the external phy is different than the
  10358. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10359. * to prevent one port interfere with another port's CL45 operations.
  10360. */
  10361. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10362. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10363. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10364. phy_type, port, phy_index);
  10365. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10366. phy->addr, phy->mdio_ctrl);
  10367. return 0;
  10368. }
  10369. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10370. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10371. {
  10372. int status = 0;
  10373. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10374. if (phy_index == INT_PHY)
  10375. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10376. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10377. port, phy);
  10378. return status;
  10379. }
  10380. static void bnx2x_phy_def_cfg(struct link_params *params,
  10381. struct bnx2x_phy *phy,
  10382. u8 phy_index)
  10383. {
  10384. struct bnx2x *bp = params->bp;
  10385. u32 link_config;
  10386. /* Populate the default phy configuration for MF mode */
  10387. if (phy_index == EXT_PHY2) {
  10388. link_config = REG_RD(bp, params->shmem_base +
  10389. offsetof(struct shmem_region, dev_info.
  10390. port_feature_config[params->port].link_config2));
  10391. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10392. offsetof(struct shmem_region,
  10393. dev_info.
  10394. port_hw_config[params->port].speed_capability_mask2));
  10395. } else {
  10396. link_config = REG_RD(bp, params->shmem_base +
  10397. offsetof(struct shmem_region, dev_info.
  10398. port_feature_config[params->port].link_config));
  10399. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10400. offsetof(struct shmem_region,
  10401. dev_info.
  10402. port_hw_config[params->port].speed_capability_mask));
  10403. }
  10404. DP(NETIF_MSG_LINK,
  10405. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10406. phy_index, link_config, phy->speed_cap_mask);
  10407. phy->req_duplex = DUPLEX_FULL;
  10408. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10409. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10410. phy->req_duplex = DUPLEX_HALF;
  10411. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10412. phy->req_line_speed = SPEED_10;
  10413. break;
  10414. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10415. phy->req_duplex = DUPLEX_HALF;
  10416. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10417. phy->req_line_speed = SPEED_100;
  10418. break;
  10419. case PORT_FEATURE_LINK_SPEED_1G:
  10420. phy->req_line_speed = SPEED_1000;
  10421. break;
  10422. case PORT_FEATURE_LINK_SPEED_2_5G:
  10423. phy->req_line_speed = SPEED_2500;
  10424. break;
  10425. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10426. phy->req_line_speed = SPEED_10000;
  10427. break;
  10428. default:
  10429. phy->req_line_speed = SPEED_AUTO_NEG;
  10430. break;
  10431. }
  10432. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10433. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10434. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10435. break;
  10436. case PORT_FEATURE_FLOW_CONTROL_TX:
  10437. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10438. break;
  10439. case PORT_FEATURE_FLOW_CONTROL_RX:
  10440. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10441. break;
  10442. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10443. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10444. break;
  10445. default:
  10446. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10447. break;
  10448. }
  10449. }
  10450. u32 bnx2x_phy_selection(struct link_params *params)
  10451. {
  10452. u32 phy_config_swapped, prio_cfg;
  10453. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10454. phy_config_swapped = params->multi_phy_config &
  10455. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10456. prio_cfg = params->multi_phy_config &
  10457. PORT_HW_CFG_PHY_SELECTION_MASK;
  10458. if (phy_config_swapped) {
  10459. switch (prio_cfg) {
  10460. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10461. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10462. break;
  10463. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10464. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10465. break;
  10466. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10467. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10468. break;
  10469. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10470. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10471. break;
  10472. }
  10473. } else
  10474. return_cfg = prio_cfg;
  10475. return return_cfg;
  10476. }
  10477. int bnx2x_phy_probe(struct link_params *params)
  10478. {
  10479. u8 phy_index, actual_phy_idx;
  10480. u32 phy_config_swapped, sync_offset, media_types;
  10481. struct bnx2x *bp = params->bp;
  10482. struct bnx2x_phy *phy;
  10483. params->num_phys = 0;
  10484. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10485. phy_config_swapped = params->multi_phy_config &
  10486. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10487. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10488. phy_index++) {
  10489. actual_phy_idx = phy_index;
  10490. if (phy_config_swapped) {
  10491. if (phy_index == EXT_PHY1)
  10492. actual_phy_idx = EXT_PHY2;
  10493. else if (phy_index == EXT_PHY2)
  10494. actual_phy_idx = EXT_PHY1;
  10495. }
  10496. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10497. " actual_phy_idx %x\n", phy_config_swapped,
  10498. phy_index, actual_phy_idx);
  10499. phy = &params->phy[actual_phy_idx];
  10500. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10501. params->shmem2_base, params->port,
  10502. phy) != 0) {
  10503. params->num_phys = 0;
  10504. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10505. phy_index);
  10506. for (phy_index = INT_PHY;
  10507. phy_index < MAX_PHYS;
  10508. phy_index++)
  10509. *phy = phy_null;
  10510. return -EINVAL;
  10511. }
  10512. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10513. break;
  10514. if (params->feature_config_flags &
  10515. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10516. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10517. sync_offset = params->shmem_base +
  10518. offsetof(struct shmem_region,
  10519. dev_info.port_hw_config[params->port].media_type);
  10520. media_types = REG_RD(bp, sync_offset);
  10521. /* Update media type for non-PMF sync only for the first time
  10522. * In case the media type changes afterwards, it will be updated
  10523. * using the update_status function
  10524. */
  10525. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10526. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10527. actual_phy_idx))) == 0) {
  10528. media_types |= ((phy->media_type &
  10529. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10530. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10531. actual_phy_idx));
  10532. }
  10533. REG_WR(bp, sync_offset, media_types);
  10534. bnx2x_phy_def_cfg(params, phy, phy_index);
  10535. params->num_phys++;
  10536. }
  10537. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10538. return 0;
  10539. }
  10540. void bnx2x_init_bmac_loopback(struct link_params *params,
  10541. struct link_vars *vars)
  10542. {
  10543. struct bnx2x *bp = params->bp;
  10544. vars->link_up = 1;
  10545. vars->line_speed = SPEED_10000;
  10546. vars->duplex = DUPLEX_FULL;
  10547. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10548. vars->mac_type = MAC_TYPE_BMAC;
  10549. vars->phy_flags = PHY_XGXS_FLAG;
  10550. bnx2x_xgxs_deassert(params);
  10551. /* set bmac loopback */
  10552. bnx2x_bmac_enable(params, vars, 1, 1);
  10553. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10554. }
  10555. void bnx2x_init_emac_loopback(struct link_params *params,
  10556. struct link_vars *vars)
  10557. {
  10558. struct bnx2x *bp = params->bp;
  10559. vars->link_up = 1;
  10560. vars->line_speed = SPEED_1000;
  10561. vars->duplex = DUPLEX_FULL;
  10562. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10563. vars->mac_type = MAC_TYPE_EMAC;
  10564. vars->phy_flags = PHY_XGXS_FLAG;
  10565. bnx2x_xgxs_deassert(params);
  10566. /* set bmac loopback */
  10567. bnx2x_emac_enable(params, vars, 1);
  10568. bnx2x_emac_program(params, vars);
  10569. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10570. }
  10571. void bnx2x_init_xmac_loopback(struct link_params *params,
  10572. struct link_vars *vars)
  10573. {
  10574. struct bnx2x *bp = params->bp;
  10575. vars->link_up = 1;
  10576. if (!params->req_line_speed[0])
  10577. vars->line_speed = SPEED_10000;
  10578. else
  10579. vars->line_speed = params->req_line_speed[0];
  10580. vars->duplex = DUPLEX_FULL;
  10581. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10582. vars->mac_type = MAC_TYPE_XMAC;
  10583. vars->phy_flags = PHY_XGXS_FLAG;
  10584. /* Set WC to loopback mode since link is required to provide clock
  10585. * to the XMAC in 20G mode
  10586. */
  10587. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10588. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10589. params->phy[INT_PHY].config_loopback(
  10590. &params->phy[INT_PHY],
  10591. params);
  10592. bnx2x_xmac_enable(params, vars, 1);
  10593. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10594. }
  10595. void bnx2x_init_umac_loopback(struct link_params *params,
  10596. struct link_vars *vars)
  10597. {
  10598. struct bnx2x *bp = params->bp;
  10599. vars->link_up = 1;
  10600. vars->line_speed = SPEED_1000;
  10601. vars->duplex = DUPLEX_FULL;
  10602. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10603. vars->mac_type = MAC_TYPE_UMAC;
  10604. vars->phy_flags = PHY_XGXS_FLAG;
  10605. bnx2x_umac_enable(params, vars, 1);
  10606. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10607. }
  10608. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10609. struct link_vars *vars)
  10610. {
  10611. struct bnx2x *bp = params->bp;
  10612. vars->link_up = 1;
  10613. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10614. vars->duplex = DUPLEX_FULL;
  10615. if (params->req_line_speed[0] == SPEED_1000)
  10616. vars->line_speed = SPEED_1000;
  10617. else
  10618. vars->line_speed = SPEED_10000;
  10619. if (!USES_WARPCORE(bp))
  10620. bnx2x_xgxs_deassert(params);
  10621. bnx2x_link_initialize(params, vars);
  10622. if (params->req_line_speed[0] == SPEED_1000) {
  10623. if (USES_WARPCORE(bp))
  10624. bnx2x_umac_enable(params, vars, 0);
  10625. else {
  10626. bnx2x_emac_program(params, vars);
  10627. bnx2x_emac_enable(params, vars, 0);
  10628. }
  10629. } else {
  10630. if (USES_WARPCORE(bp))
  10631. bnx2x_xmac_enable(params, vars, 0);
  10632. else
  10633. bnx2x_bmac_enable(params, vars, 0, 1);
  10634. }
  10635. if (params->loopback_mode == LOOPBACK_XGXS) {
  10636. /* set 10G XGXS loopback */
  10637. params->phy[INT_PHY].config_loopback(
  10638. &params->phy[INT_PHY],
  10639. params);
  10640. } else {
  10641. /* set external phy loopback */
  10642. u8 phy_index;
  10643. for (phy_index = EXT_PHY1;
  10644. phy_index < params->num_phys; phy_index++) {
  10645. if (params->phy[phy_index].config_loopback)
  10646. params->phy[phy_index].config_loopback(
  10647. &params->phy[phy_index],
  10648. params);
  10649. }
  10650. }
  10651. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10652. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10653. }
  10654. static void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10655. {
  10656. struct bnx2x *bp = params->bp;
  10657. u8 val = en * 0x1F;
  10658. /* Open the gate between the NIG to the BRB */
  10659. if (!CHIP_IS_E1x(bp))
  10660. val |= en * 0x20;
  10661. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10662. if (!CHIP_IS_E1(bp)) {
  10663. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10664. en*0x3);
  10665. }
  10666. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10667. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10668. }
  10669. static int bnx2x_avoid_link_flap(struct link_params *params,
  10670. struct link_vars *vars)
  10671. {
  10672. u32 phy_idx;
  10673. u32 dont_clear_stat, lfa_sts;
  10674. struct bnx2x *bp = params->bp;
  10675. /* Sync the link parameters */
  10676. bnx2x_link_status_update(params, vars);
  10677. /*
  10678. * The module verification was already done by previous link owner,
  10679. * so this call is meant only to get warning message
  10680. */
  10681. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10682. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10683. if (phy->phy_specific_func) {
  10684. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10685. phy->phy_specific_func(phy, params, PHY_INIT);
  10686. }
  10687. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10688. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10689. (phy->media_type == ETH_PHY_DA_TWINAX))
  10690. bnx2x_verify_sfp_module(phy, params);
  10691. }
  10692. lfa_sts = REG_RD(bp, params->lfa_base +
  10693. offsetof(struct shmem_lfa,
  10694. lfa_sts));
  10695. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10696. /* Re-enable the NIG/MAC */
  10697. if (CHIP_IS_E3(bp)) {
  10698. if (!dont_clear_stat) {
  10699. REG_WR(bp, GRCBASE_MISC +
  10700. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10701. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10702. params->port));
  10703. REG_WR(bp, GRCBASE_MISC +
  10704. MISC_REGISTERS_RESET_REG_2_SET,
  10705. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10706. params->port));
  10707. }
  10708. if (vars->line_speed < SPEED_10000)
  10709. bnx2x_umac_enable(params, vars, 0);
  10710. else
  10711. bnx2x_xmac_enable(params, vars, 0);
  10712. } else {
  10713. if (vars->line_speed < SPEED_10000)
  10714. bnx2x_emac_enable(params, vars, 0);
  10715. else
  10716. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  10717. }
  10718. /* Increment LFA count */
  10719. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  10720. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  10721. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  10722. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  10723. /* Clear link flap reason */
  10724. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10725. REG_WR(bp, params->lfa_base +
  10726. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10727. /* Disable NIG DRAIN */
  10728. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10729. /* Enable interrupts */
  10730. bnx2x_link_int_enable(params);
  10731. return 0;
  10732. }
  10733. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  10734. struct link_vars *vars,
  10735. int lfa_status)
  10736. {
  10737. u32 lfa_sts, cfg_idx, tmp_val;
  10738. struct bnx2x *bp = params->bp;
  10739. bnx2x_link_reset(params, vars, 1);
  10740. if (!params->lfa_base)
  10741. return;
  10742. /* Store the new link parameters */
  10743. REG_WR(bp, params->lfa_base +
  10744. offsetof(struct shmem_lfa, req_duplex),
  10745. params->req_duplex[0] | (params->req_duplex[1] << 16));
  10746. REG_WR(bp, params->lfa_base +
  10747. offsetof(struct shmem_lfa, req_flow_ctrl),
  10748. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  10749. REG_WR(bp, params->lfa_base +
  10750. offsetof(struct shmem_lfa, req_line_speed),
  10751. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  10752. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  10753. REG_WR(bp, params->lfa_base +
  10754. offsetof(struct shmem_lfa,
  10755. speed_cap_mask[cfg_idx]),
  10756. params->speed_cap_mask[cfg_idx]);
  10757. }
  10758. tmp_val = REG_RD(bp, params->lfa_base +
  10759. offsetof(struct shmem_lfa, additional_config));
  10760. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  10761. tmp_val |= params->req_fc_auto_adv;
  10762. REG_WR(bp, params->lfa_base +
  10763. offsetof(struct shmem_lfa, additional_config), tmp_val);
  10764. lfa_sts = REG_RD(bp, params->lfa_base +
  10765. offsetof(struct shmem_lfa, lfa_sts));
  10766. /* Clear the "Don't Clear Statistics" bit, and set reason */
  10767. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  10768. /* Set link flap reason */
  10769. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10770. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  10771. LFA_LINK_FLAP_REASON_OFFSET);
  10772. /* Increment link flap counter */
  10773. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  10774. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  10775. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  10776. << LINK_FLAP_COUNT_OFFSET));
  10777. REG_WR(bp, params->lfa_base +
  10778. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10779. /* Proceed with regular link initialization */
  10780. }
  10781. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10782. {
  10783. int lfa_status;
  10784. struct bnx2x *bp = params->bp;
  10785. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10786. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10787. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10788. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10789. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10790. vars->link_status = 0;
  10791. vars->phy_link_up = 0;
  10792. vars->link_up = 0;
  10793. vars->line_speed = 0;
  10794. vars->duplex = DUPLEX_FULL;
  10795. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10796. vars->mac_type = MAC_TYPE_NONE;
  10797. vars->phy_flags = 0;
  10798. /* Driver opens NIG-BRB filters */
  10799. bnx2x_set_rx_filter(params, 1);
  10800. /* Check if link flap can be avoided */
  10801. lfa_status = bnx2x_check_lfa(params);
  10802. if (lfa_status == 0) {
  10803. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  10804. return bnx2x_avoid_link_flap(params, vars);
  10805. }
  10806. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  10807. lfa_status);
  10808. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  10809. /* Disable attentions */
  10810. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10811. (NIG_MASK_XGXS0_LINK_STATUS |
  10812. NIG_MASK_XGXS0_LINK10G |
  10813. NIG_MASK_SERDES0_LINK_STATUS |
  10814. NIG_MASK_MI_INT));
  10815. bnx2x_emac_init(params, vars);
  10816. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10817. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10818. if (params->num_phys == 0) {
  10819. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10820. return -EINVAL;
  10821. }
  10822. set_phy_vars(params, vars);
  10823. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10824. switch (params->loopback_mode) {
  10825. case LOOPBACK_BMAC:
  10826. bnx2x_init_bmac_loopback(params, vars);
  10827. break;
  10828. case LOOPBACK_EMAC:
  10829. bnx2x_init_emac_loopback(params, vars);
  10830. break;
  10831. case LOOPBACK_XMAC:
  10832. bnx2x_init_xmac_loopback(params, vars);
  10833. break;
  10834. case LOOPBACK_UMAC:
  10835. bnx2x_init_umac_loopback(params, vars);
  10836. break;
  10837. case LOOPBACK_XGXS:
  10838. case LOOPBACK_EXT_PHY:
  10839. bnx2x_init_xgxs_loopback(params, vars);
  10840. break;
  10841. default:
  10842. if (!CHIP_IS_E3(bp)) {
  10843. if (params->switch_cfg == SWITCH_CFG_10G)
  10844. bnx2x_xgxs_deassert(params);
  10845. else
  10846. bnx2x_serdes_deassert(bp, params->port);
  10847. }
  10848. bnx2x_link_initialize(params, vars);
  10849. msleep(30);
  10850. bnx2x_link_int_enable(params);
  10851. break;
  10852. }
  10853. bnx2x_update_mng(params, vars->link_status);
  10854. bnx2x_update_mng_eee(params, vars->eee_status);
  10855. return 0;
  10856. }
  10857. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10858. u8 reset_ext_phy)
  10859. {
  10860. struct bnx2x *bp = params->bp;
  10861. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10862. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10863. /* Disable attentions */
  10864. vars->link_status = 0;
  10865. bnx2x_update_mng(params, vars->link_status);
  10866. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10867. SHMEM_EEE_ACTIVE_BIT);
  10868. bnx2x_update_mng_eee(params, vars->eee_status);
  10869. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10870. (NIG_MASK_XGXS0_LINK_STATUS |
  10871. NIG_MASK_XGXS0_LINK10G |
  10872. NIG_MASK_SERDES0_LINK_STATUS |
  10873. NIG_MASK_MI_INT));
  10874. /* Activate nig drain */
  10875. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10876. /* Disable nig egress interface */
  10877. if (!CHIP_IS_E3(bp)) {
  10878. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10879. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10880. }
  10881. if (!CHIP_IS_E3(bp)) {
  10882. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  10883. } else {
  10884. bnx2x_set_xmac_rxtx(params, 0);
  10885. bnx2x_set_umac_rxtx(params, 0);
  10886. }
  10887. /* Disable emac */
  10888. if (!CHIP_IS_E3(bp))
  10889. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10890. usleep_range(10000, 20000);
  10891. /* The PHY reset is controlled by GPIO 1
  10892. * Hold it as vars low
  10893. */
  10894. /* Clear link led */
  10895. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10896. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10897. if (reset_ext_phy) {
  10898. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10899. phy_index++) {
  10900. if (params->phy[phy_index].link_reset) {
  10901. bnx2x_set_aer_mmd(params,
  10902. &params->phy[phy_index]);
  10903. params->phy[phy_index].link_reset(
  10904. &params->phy[phy_index],
  10905. params);
  10906. }
  10907. if (params->phy[phy_index].flags &
  10908. FLAGS_REARM_LATCH_SIGNAL)
  10909. clear_latch_ind = 1;
  10910. }
  10911. }
  10912. if (clear_latch_ind) {
  10913. /* Clear latching indication */
  10914. bnx2x_rearm_latch_signal(bp, port, 0);
  10915. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10916. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10917. }
  10918. if (params->phy[INT_PHY].link_reset)
  10919. params->phy[INT_PHY].link_reset(
  10920. &params->phy[INT_PHY], params);
  10921. /* Disable nig ingress interface */
  10922. if (!CHIP_IS_E3(bp)) {
  10923. /* Reset BigMac */
  10924. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10925. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10926. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10927. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10928. } else {
  10929. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10930. bnx2x_set_xumac_nig(params, 0, 0);
  10931. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10932. MISC_REGISTERS_RESET_REG_2_XMAC)
  10933. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10934. XMAC_CTRL_REG_SOFT_RESET);
  10935. }
  10936. vars->link_up = 0;
  10937. vars->phy_flags = 0;
  10938. return 0;
  10939. }
  10940. int bnx2x_lfa_reset(struct link_params *params,
  10941. struct link_vars *vars)
  10942. {
  10943. struct bnx2x *bp = params->bp;
  10944. vars->link_up = 0;
  10945. vars->phy_flags = 0;
  10946. if (!params->lfa_base)
  10947. return bnx2x_link_reset(params, vars, 1);
  10948. /*
  10949. * Activate NIG drain so that during this time the device won't send
  10950. * anything while it is unable to response.
  10951. */
  10952. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  10953. /*
  10954. * Close gracefully the gate from BMAC to NIG such that no half packets
  10955. * are passed.
  10956. */
  10957. if (!CHIP_IS_E3(bp))
  10958. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  10959. if (CHIP_IS_E3(bp)) {
  10960. bnx2x_set_xmac_rxtx(params, 0);
  10961. bnx2x_set_umac_rxtx(params, 0);
  10962. }
  10963. /* Wait 10ms for the pipe to clean up*/
  10964. usleep_range(10000, 20000);
  10965. /* Clean the NIG-BRB using the network filters in a way that will
  10966. * not cut a packet in the middle.
  10967. */
  10968. bnx2x_set_rx_filter(params, 0);
  10969. /*
  10970. * Re-open the gate between the BMAC and the NIG, after verifying the
  10971. * gate to the BRB is closed, otherwise packets may arrive to the
  10972. * firmware before driver had initialized it. The target is to achieve
  10973. * minimum management protocol down time.
  10974. */
  10975. if (!CHIP_IS_E3(bp))
  10976. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  10977. if (CHIP_IS_E3(bp)) {
  10978. bnx2x_set_xmac_rxtx(params, 1);
  10979. bnx2x_set_umac_rxtx(params, 1);
  10980. }
  10981. /* Disable NIG drain */
  10982. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10983. return 0;
  10984. }
  10985. /****************************************************************************/
  10986. /* Common function */
  10987. /****************************************************************************/
  10988. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10989. u32 shmem_base_path[],
  10990. u32 shmem2_base_path[], u8 phy_index,
  10991. u32 chip_id)
  10992. {
  10993. struct bnx2x_phy phy[PORT_MAX];
  10994. struct bnx2x_phy *phy_blk[PORT_MAX];
  10995. u16 val;
  10996. s8 port = 0;
  10997. s8 port_of_path = 0;
  10998. u32 swap_val, swap_override;
  10999. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11000. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11001. port ^= (swap_val && swap_override);
  11002. bnx2x_ext_phy_hw_reset(bp, port);
  11003. /* PART1 - Reset both phys */
  11004. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11005. u32 shmem_base, shmem2_base;
  11006. /* In E2, same phy is using for port0 of the two paths */
  11007. if (CHIP_IS_E1x(bp)) {
  11008. shmem_base = shmem_base_path[0];
  11009. shmem2_base = shmem2_base_path[0];
  11010. port_of_path = port;
  11011. } else {
  11012. shmem_base = shmem_base_path[port];
  11013. shmem2_base = shmem2_base_path[port];
  11014. port_of_path = 0;
  11015. }
  11016. /* Extract the ext phy address for the port */
  11017. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11018. port_of_path, &phy[port]) !=
  11019. 0) {
  11020. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11021. return -EINVAL;
  11022. }
  11023. /* Disable attentions */
  11024. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11025. port_of_path*4,
  11026. (NIG_MASK_XGXS0_LINK_STATUS |
  11027. NIG_MASK_XGXS0_LINK10G |
  11028. NIG_MASK_SERDES0_LINK_STATUS |
  11029. NIG_MASK_MI_INT));
  11030. /* Need to take the phy out of low power mode in order
  11031. * to write to access its registers
  11032. */
  11033. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11034. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11035. port);
  11036. /* Reset the phy */
  11037. bnx2x_cl45_write(bp, &phy[port],
  11038. MDIO_PMA_DEVAD,
  11039. MDIO_PMA_REG_CTRL,
  11040. 1<<15);
  11041. }
  11042. /* Add delay of 150ms after reset */
  11043. msleep(150);
  11044. if (phy[PORT_0].addr & 0x1) {
  11045. phy_blk[PORT_0] = &(phy[PORT_1]);
  11046. phy_blk[PORT_1] = &(phy[PORT_0]);
  11047. } else {
  11048. phy_blk[PORT_0] = &(phy[PORT_0]);
  11049. phy_blk[PORT_1] = &(phy[PORT_1]);
  11050. }
  11051. /* PART2 - Download firmware to both phys */
  11052. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11053. if (CHIP_IS_E1x(bp))
  11054. port_of_path = port;
  11055. else
  11056. port_of_path = 0;
  11057. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11058. phy_blk[port]->addr);
  11059. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11060. port_of_path))
  11061. return -EINVAL;
  11062. /* Only set bit 10 = 1 (Tx power down) */
  11063. bnx2x_cl45_read(bp, phy_blk[port],
  11064. MDIO_PMA_DEVAD,
  11065. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11066. /* Phase1 of TX_POWER_DOWN reset */
  11067. bnx2x_cl45_write(bp, phy_blk[port],
  11068. MDIO_PMA_DEVAD,
  11069. MDIO_PMA_REG_TX_POWER_DOWN,
  11070. (val | 1<<10));
  11071. }
  11072. /* Toggle Transmitter: Power down and then up with 600ms delay
  11073. * between
  11074. */
  11075. msleep(600);
  11076. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11077. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11078. /* Phase2 of POWER_DOWN_RESET */
  11079. /* Release bit 10 (Release Tx power down) */
  11080. bnx2x_cl45_read(bp, phy_blk[port],
  11081. MDIO_PMA_DEVAD,
  11082. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11083. bnx2x_cl45_write(bp, phy_blk[port],
  11084. MDIO_PMA_DEVAD,
  11085. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11086. usleep_range(15000, 30000);
  11087. /* Read modify write the SPI-ROM version select register */
  11088. bnx2x_cl45_read(bp, phy_blk[port],
  11089. MDIO_PMA_DEVAD,
  11090. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11091. bnx2x_cl45_write(bp, phy_blk[port],
  11092. MDIO_PMA_DEVAD,
  11093. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11094. /* set GPIO2 back to LOW */
  11095. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11096. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11097. }
  11098. return 0;
  11099. }
  11100. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11101. u32 shmem_base_path[],
  11102. u32 shmem2_base_path[], u8 phy_index,
  11103. u32 chip_id)
  11104. {
  11105. u32 val;
  11106. s8 port;
  11107. struct bnx2x_phy phy;
  11108. /* Use port1 because of the static port-swap */
  11109. /* Enable the module detection interrupt */
  11110. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11111. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11112. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11113. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11114. bnx2x_ext_phy_hw_reset(bp, 0);
  11115. usleep_range(5000, 10000);
  11116. for (port = 0; port < PORT_MAX; port++) {
  11117. u32 shmem_base, shmem2_base;
  11118. /* In E2, same phy is using for port0 of the two paths */
  11119. if (CHIP_IS_E1x(bp)) {
  11120. shmem_base = shmem_base_path[0];
  11121. shmem2_base = shmem2_base_path[0];
  11122. } else {
  11123. shmem_base = shmem_base_path[port];
  11124. shmem2_base = shmem2_base_path[port];
  11125. }
  11126. /* Extract the ext phy address for the port */
  11127. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11128. port, &phy) !=
  11129. 0) {
  11130. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11131. return -EINVAL;
  11132. }
  11133. /* Reset phy*/
  11134. bnx2x_cl45_write(bp, &phy,
  11135. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11136. /* Set fault module detected LED on */
  11137. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11138. MISC_REGISTERS_GPIO_HIGH,
  11139. port);
  11140. }
  11141. return 0;
  11142. }
  11143. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11144. u8 *io_gpio, u8 *io_port)
  11145. {
  11146. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11147. offsetof(struct shmem_region,
  11148. dev_info.port_hw_config[PORT_0].default_cfg));
  11149. switch (phy_gpio_reset) {
  11150. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11151. *io_gpio = 0;
  11152. *io_port = 0;
  11153. break;
  11154. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11155. *io_gpio = 1;
  11156. *io_port = 0;
  11157. break;
  11158. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11159. *io_gpio = 2;
  11160. *io_port = 0;
  11161. break;
  11162. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11163. *io_gpio = 3;
  11164. *io_port = 0;
  11165. break;
  11166. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11167. *io_gpio = 0;
  11168. *io_port = 1;
  11169. break;
  11170. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11171. *io_gpio = 1;
  11172. *io_port = 1;
  11173. break;
  11174. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11175. *io_gpio = 2;
  11176. *io_port = 1;
  11177. break;
  11178. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11179. *io_gpio = 3;
  11180. *io_port = 1;
  11181. break;
  11182. default:
  11183. /* Don't override the io_gpio and io_port */
  11184. break;
  11185. }
  11186. }
  11187. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11188. u32 shmem_base_path[],
  11189. u32 shmem2_base_path[], u8 phy_index,
  11190. u32 chip_id)
  11191. {
  11192. s8 port, reset_gpio;
  11193. u32 swap_val, swap_override;
  11194. struct bnx2x_phy phy[PORT_MAX];
  11195. struct bnx2x_phy *phy_blk[PORT_MAX];
  11196. s8 port_of_path;
  11197. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11198. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11199. reset_gpio = MISC_REGISTERS_GPIO_1;
  11200. port = 1;
  11201. /* Retrieve the reset gpio/port which control the reset.
  11202. * Default is GPIO1, PORT1
  11203. */
  11204. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11205. (u8 *)&reset_gpio, (u8 *)&port);
  11206. /* Calculate the port based on port swap */
  11207. port ^= (swap_val && swap_override);
  11208. /* Initiate PHY reset*/
  11209. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11210. port);
  11211. usleep_range(1000, 2000);
  11212. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11213. port);
  11214. usleep_range(5000, 10000);
  11215. /* PART1 - Reset both phys */
  11216. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11217. u32 shmem_base, shmem2_base;
  11218. /* In E2, same phy is using for port0 of the two paths */
  11219. if (CHIP_IS_E1x(bp)) {
  11220. shmem_base = shmem_base_path[0];
  11221. shmem2_base = shmem2_base_path[0];
  11222. port_of_path = port;
  11223. } else {
  11224. shmem_base = shmem_base_path[port];
  11225. shmem2_base = shmem2_base_path[port];
  11226. port_of_path = 0;
  11227. }
  11228. /* Extract the ext phy address for the port */
  11229. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11230. port_of_path, &phy[port]) !=
  11231. 0) {
  11232. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11233. return -EINVAL;
  11234. }
  11235. /* disable attentions */
  11236. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11237. port_of_path*4,
  11238. (NIG_MASK_XGXS0_LINK_STATUS |
  11239. NIG_MASK_XGXS0_LINK10G |
  11240. NIG_MASK_SERDES0_LINK_STATUS |
  11241. NIG_MASK_MI_INT));
  11242. /* Reset the phy */
  11243. bnx2x_cl45_write(bp, &phy[port],
  11244. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11245. }
  11246. /* Add delay of 150ms after reset */
  11247. msleep(150);
  11248. if (phy[PORT_0].addr & 0x1) {
  11249. phy_blk[PORT_0] = &(phy[PORT_1]);
  11250. phy_blk[PORT_1] = &(phy[PORT_0]);
  11251. } else {
  11252. phy_blk[PORT_0] = &(phy[PORT_0]);
  11253. phy_blk[PORT_1] = &(phy[PORT_1]);
  11254. }
  11255. /* PART2 - Download firmware to both phys */
  11256. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11257. if (CHIP_IS_E1x(bp))
  11258. port_of_path = port;
  11259. else
  11260. port_of_path = 0;
  11261. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11262. phy_blk[port]->addr);
  11263. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11264. port_of_path))
  11265. return -EINVAL;
  11266. /* Disable PHY transmitter output */
  11267. bnx2x_cl45_write(bp, phy_blk[port],
  11268. MDIO_PMA_DEVAD,
  11269. MDIO_PMA_REG_TX_DISABLE, 1);
  11270. }
  11271. return 0;
  11272. }
  11273. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11274. u32 shmem_base_path[],
  11275. u32 shmem2_base_path[],
  11276. u8 phy_index,
  11277. u32 chip_id)
  11278. {
  11279. u8 reset_gpios;
  11280. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11281. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11282. udelay(10);
  11283. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11284. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11285. reset_gpios);
  11286. return 0;
  11287. }
  11288. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11289. struct bnx2x_phy *phy)
  11290. {
  11291. u16 val, cnt;
  11292. /* Wait for FW completing its initialization. */
  11293. for (cnt = 0; cnt < 1500; cnt++) {
  11294. bnx2x_cl45_read(bp, phy,
  11295. MDIO_PMA_DEVAD,
  11296. MDIO_PMA_REG_CTRL, &val);
  11297. if (!(val & (1<<15)))
  11298. break;
  11299. usleep_range(1000, 2000);
  11300. }
  11301. if (cnt >= 1500) {
  11302. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11303. return -EINVAL;
  11304. }
  11305. /* Put the port in super isolate mode. */
  11306. bnx2x_cl45_read(bp, phy,
  11307. MDIO_CTL_DEVAD,
  11308. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11309. val |= MDIO_84833_SUPER_ISOLATE;
  11310. bnx2x_cl45_write(bp, phy,
  11311. MDIO_CTL_DEVAD,
  11312. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11313. /* Save spirom version */
  11314. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11315. return 0;
  11316. }
  11317. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11318. u32 shmem_base,
  11319. u32 shmem2_base,
  11320. u32 chip_id)
  11321. {
  11322. int rc = 0;
  11323. struct bnx2x_phy phy;
  11324. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11325. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11326. PORT_0, &phy)) {
  11327. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11328. return -EINVAL;
  11329. }
  11330. switch (phy.type) {
  11331. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11332. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11333. break;
  11334. default:
  11335. break;
  11336. }
  11337. return rc;
  11338. }
  11339. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11340. u32 shmem2_base_path[], u8 phy_index,
  11341. u32 ext_phy_type, u32 chip_id)
  11342. {
  11343. int rc = 0;
  11344. switch (ext_phy_type) {
  11345. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11346. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11347. shmem2_base_path,
  11348. phy_index, chip_id);
  11349. break;
  11350. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11351. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11352. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11353. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11354. shmem2_base_path,
  11355. phy_index, chip_id);
  11356. break;
  11357. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11358. /* GPIO1 affects both ports, so there's need to pull
  11359. * it for single port alone
  11360. */
  11361. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11362. shmem2_base_path,
  11363. phy_index, chip_id);
  11364. break;
  11365. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11366. /* GPIO3's are linked, and so both need to be toggled
  11367. * to obtain required 2us pulse.
  11368. */
  11369. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11370. shmem2_base_path,
  11371. phy_index, chip_id);
  11372. break;
  11373. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11374. rc = -EINVAL;
  11375. break;
  11376. default:
  11377. DP(NETIF_MSG_LINK,
  11378. "ext_phy 0x%x common init not required\n",
  11379. ext_phy_type);
  11380. break;
  11381. }
  11382. if (rc)
  11383. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11384. " Port %d\n",
  11385. 0);
  11386. return rc;
  11387. }
  11388. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11389. u32 shmem2_base_path[], u32 chip_id)
  11390. {
  11391. int rc = 0;
  11392. u32 phy_ver, val;
  11393. u8 phy_index = 0;
  11394. u32 ext_phy_type, ext_phy_config;
  11395. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11396. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11397. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11398. if (CHIP_IS_E3(bp)) {
  11399. /* Enable EPIO */
  11400. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11401. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11402. }
  11403. /* Check if common init was already done */
  11404. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11405. offsetof(struct shmem_region,
  11406. port_mb[PORT_0].ext_phy_fw_version));
  11407. if (phy_ver) {
  11408. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11409. phy_ver);
  11410. return 0;
  11411. }
  11412. /* Read the ext_phy_type for arbitrary port(0) */
  11413. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11414. phy_index++) {
  11415. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11416. shmem_base_path[0],
  11417. phy_index, 0);
  11418. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11419. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11420. shmem2_base_path,
  11421. phy_index, ext_phy_type,
  11422. chip_id);
  11423. }
  11424. return rc;
  11425. }
  11426. static void bnx2x_check_over_curr(struct link_params *params,
  11427. struct link_vars *vars)
  11428. {
  11429. struct bnx2x *bp = params->bp;
  11430. u32 cfg_pin;
  11431. u8 port = params->port;
  11432. u32 pin_val;
  11433. cfg_pin = (REG_RD(bp, params->shmem_base +
  11434. offsetof(struct shmem_region,
  11435. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11436. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11437. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11438. /* Ignore check if no external input PIN available */
  11439. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11440. return;
  11441. if (!pin_val) {
  11442. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11443. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11444. " been detected and the power to "
  11445. "that SFP+ module has been removed"
  11446. " to prevent failure of the card."
  11447. " Please remove the SFP+ module and"
  11448. " restart the system to clear this"
  11449. " error.\n",
  11450. params->port);
  11451. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11452. }
  11453. } else
  11454. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11455. }
  11456. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11457. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11458. struct link_vars *vars, u32 status,
  11459. u32 phy_flag, u32 link_flag, u8 notify)
  11460. {
  11461. struct bnx2x *bp = params->bp;
  11462. /* Compare new value with previous value */
  11463. u8 led_mode;
  11464. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11465. if ((status ^ old_status) == 0)
  11466. return 0;
  11467. /* If values differ */
  11468. switch (phy_flag) {
  11469. case PHY_HALF_OPEN_CONN_FLAG:
  11470. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11471. break;
  11472. case PHY_SFP_TX_FAULT_FLAG:
  11473. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11474. break;
  11475. default:
  11476. DP(NETIF_MSG_LINK, "Analyze UNKOWN\n");
  11477. }
  11478. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11479. old_status, status);
  11480. /* a. Update shmem->link_status accordingly
  11481. * b. Update link_vars->link_up
  11482. */
  11483. if (status) {
  11484. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11485. vars->link_status |= link_flag;
  11486. vars->link_up = 0;
  11487. vars->phy_flags |= phy_flag;
  11488. /* activate nig drain */
  11489. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11490. /* Set LED mode to off since the PHY doesn't know about these
  11491. * errors
  11492. */
  11493. led_mode = LED_MODE_OFF;
  11494. } else {
  11495. vars->link_status |= LINK_STATUS_LINK_UP;
  11496. vars->link_status &= ~link_flag;
  11497. vars->link_up = 1;
  11498. vars->phy_flags &= ~phy_flag;
  11499. led_mode = LED_MODE_OPER;
  11500. /* Clear nig drain */
  11501. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11502. }
  11503. bnx2x_sync_link(params, vars);
  11504. /* Update the LED according to the link state */
  11505. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11506. /* Update link status in the shared memory */
  11507. bnx2x_update_mng(params, vars->link_status);
  11508. /* C. Trigger General Attention */
  11509. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11510. if (notify)
  11511. bnx2x_notify_link_changed(bp);
  11512. return 1;
  11513. }
  11514. /******************************************************************************
  11515. * Description:
  11516. * This function checks for half opened connection change indication.
  11517. * When such change occurs, it calls the bnx2x_analyze_link_error
  11518. * to check if Remote Fault is set or cleared. Reception of remote fault
  11519. * status message in the MAC indicates that the peer's MAC has detected
  11520. * a fault, for example, due to break in the TX side of fiber.
  11521. *
  11522. ******************************************************************************/
  11523. int bnx2x_check_half_open_conn(struct link_params *params,
  11524. struct link_vars *vars,
  11525. u8 notify)
  11526. {
  11527. struct bnx2x *bp = params->bp;
  11528. u32 lss_status = 0;
  11529. u32 mac_base;
  11530. /* In case link status is physically up @ 10G do */
  11531. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11532. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11533. return 0;
  11534. if (CHIP_IS_E3(bp) &&
  11535. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11536. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11537. /* Check E3 XMAC */
  11538. /* Note that link speed cannot be queried here, since it may be
  11539. * zero while link is down. In case UMAC is active, LSS will
  11540. * simply not be set
  11541. */
  11542. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11543. /* Clear stick bits (Requires rising edge) */
  11544. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11545. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11546. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11547. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11548. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11549. lss_status = 1;
  11550. bnx2x_analyze_link_error(params, vars, lss_status,
  11551. PHY_HALF_OPEN_CONN_FLAG,
  11552. LINK_STATUS_NONE, notify);
  11553. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11554. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11555. /* Check E1X / E2 BMAC */
  11556. u32 lss_status_reg;
  11557. u32 wb_data[2];
  11558. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11559. NIG_REG_INGRESS_BMAC0_MEM;
  11560. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11561. if (CHIP_IS_E2(bp))
  11562. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11563. else
  11564. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11565. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11566. lss_status = (wb_data[0] > 0);
  11567. bnx2x_analyze_link_error(params, vars, lss_status,
  11568. PHY_HALF_OPEN_CONN_FLAG,
  11569. LINK_STATUS_NONE, notify);
  11570. }
  11571. return 0;
  11572. }
  11573. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11574. struct link_params *params,
  11575. struct link_vars *vars)
  11576. {
  11577. struct bnx2x *bp = params->bp;
  11578. u32 cfg_pin, value = 0;
  11579. u8 led_change, port = params->port;
  11580. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11581. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11582. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11583. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11584. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11585. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11586. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11587. return;
  11588. }
  11589. led_change = bnx2x_analyze_link_error(params, vars, value,
  11590. PHY_SFP_TX_FAULT_FLAG,
  11591. LINK_STATUS_SFP_TX_FAULT, 1);
  11592. if (led_change) {
  11593. /* Change TX_Fault led, set link status for further syncs */
  11594. u8 led_mode;
  11595. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11596. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11597. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11598. } else {
  11599. led_mode = MISC_REGISTERS_GPIO_LOW;
  11600. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11601. }
  11602. /* If module is unapproved, led should be on regardless */
  11603. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11604. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11605. led_mode);
  11606. bnx2x_set_e3_module_fault_led(params, led_mode);
  11607. }
  11608. }
  11609. }
  11610. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11611. {
  11612. u16 phy_idx;
  11613. struct bnx2x *bp = params->bp;
  11614. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11615. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11616. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11617. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11618. 0)
  11619. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11620. break;
  11621. }
  11622. }
  11623. if (CHIP_IS_E3(bp)) {
  11624. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11625. bnx2x_set_aer_mmd(params, phy);
  11626. bnx2x_check_over_curr(params, vars);
  11627. if (vars->rx_tx_asic_rst)
  11628. bnx2x_warpcore_config_runtime(phy, params, vars);
  11629. if ((REG_RD(bp, params->shmem_base +
  11630. offsetof(struct shmem_region, dev_info.
  11631. port_hw_config[params->port].default_cfg))
  11632. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11633. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11634. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11635. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11636. } else if (vars->link_status &
  11637. LINK_STATUS_SFP_TX_FAULT) {
  11638. /* Clean trail, interrupt corrects the leds */
  11639. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11640. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11641. /* Update link status in the shared memory */
  11642. bnx2x_update_mng(params, vars->link_status);
  11643. }
  11644. }
  11645. }
  11646. }
  11647. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11648. {
  11649. u8 phy_index;
  11650. struct bnx2x_phy phy;
  11651. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11652. phy_index++) {
  11653. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11654. 0, &phy) != 0) {
  11655. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11656. return 0;
  11657. }
  11658. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11659. return 1;
  11660. }
  11661. return 0;
  11662. }
  11663. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11664. u32 shmem_base,
  11665. u32 shmem2_base,
  11666. u8 port)
  11667. {
  11668. u8 phy_index, fan_failure_det_req = 0;
  11669. struct bnx2x_phy phy;
  11670. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11671. phy_index++) {
  11672. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11673. port, &phy)
  11674. != 0) {
  11675. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11676. return 0;
  11677. }
  11678. fan_failure_det_req |= (phy.flags &
  11679. FLAGS_FAN_FAILURE_DET_REQ);
  11680. }
  11681. return fan_failure_det_req;
  11682. }
  11683. void bnx2x_hw_reset_phy(struct link_params *params)
  11684. {
  11685. u8 phy_index;
  11686. struct bnx2x *bp = params->bp;
  11687. bnx2x_update_mng(params, 0);
  11688. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11689. (NIG_MASK_XGXS0_LINK_STATUS |
  11690. NIG_MASK_XGXS0_LINK10G |
  11691. NIG_MASK_SERDES0_LINK_STATUS |
  11692. NIG_MASK_MI_INT));
  11693. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11694. phy_index++) {
  11695. if (params->phy[phy_index].hw_reset) {
  11696. params->phy[phy_index].hw_reset(
  11697. &params->phy[phy_index],
  11698. params);
  11699. params->phy[phy_index] = phy_null;
  11700. }
  11701. }
  11702. }
  11703. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11704. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11705. u8 port)
  11706. {
  11707. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11708. u32 val;
  11709. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11710. if (CHIP_IS_E3(bp)) {
  11711. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11712. shmem_base,
  11713. port,
  11714. &gpio_num,
  11715. &gpio_port) != 0)
  11716. return;
  11717. } else {
  11718. struct bnx2x_phy phy;
  11719. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11720. phy_index++) {
  11721. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11722. shmem2_base, port, &phy)
  11723. != 0) {
  11724. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11725. return;
  11726. }
  11727. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11728. gpio_num = MISC_REGISTERS_GPIO_3;
  11729. gpio_port = port;
  11730. break;
  11731. }
  11732. }
  11733. }
  11734. if (gpio_num == 0xff)
  11735. return;
  11736. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11737. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11738. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11739. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11740. gpio_port ^= (swap_val && swap_override);
  11741. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11742. (gpio_num + (gpio_port << 2));
  11743. sync_offset = shmem_base +
  11744. offsetof(struct shmem_region,
  11745. dev_info.port_hw_config[port].aeu_int_mask);
  11746. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11747. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11748. gpio_num, gpio_port, vars->aeu_int_mask);
  11749. if (port == 0)
  11750. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11751. else
  11752. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11753. /* Open appropriate AEU for interrupts */
  11754. aeu_mask = REG_RD(bp, offset);
  11755. aeu_mask |= vars->aeu_int_mask;
  11756. REG_WR(bp, offset, aeu_mask);
  11757. /* Enable the GPIO to trigger interrupt */
  11758. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11759. val |= 1 << (gpio_num + (gpio_port << 2));
  11760. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11761. }