bnx2x_link.c 397 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define GP_STATUS_20G_KR2 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_KR2
  113. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  114. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  115. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  116. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  117. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  118. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  119. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  120. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  121. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  122. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  123. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  124. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  125. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  126. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  127. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  128. #define LINK_UPDATE_MASK \
  129. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  130. LINK_STATUS_LINK_UP | \
  131. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  132. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  133. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  134. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  135. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  136. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  137. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  138. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  139. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  140. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  141. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  142. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  143. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  144. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  145. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  146. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  147. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  148. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  149. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  150. #define SFP_EEPROM_OPTIONS_SIZE 2
  151. #define EDC_MODE_LINEAR 0x0022
  152. #define EDC_MODE_LIMITING 0x0044
  153. #define EDC_MODE_PASSIVE_DAC 0x0055
  154. /* ETS defines*/
  155. #define DCBX_INVALID_COS (0xFF)
  156. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  157. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  158. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  159. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  160. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  161. #define MAX_PACKET_SIZE (9700)
  162. #define MAX_KR_LINK_RETRY 4
  163. /**********************************************************/
  164. /* INTERFACE */
  165. /**********************************************************/
  166. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  167. bnx2x_cl45_write(_bp, _phy, \
  168. (_phy)->def_md_devad, \
  169. (_bank + (_addr & 0xf)), \
  170. _val)
  171. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  172. bnx2x_cl45_read(_bp, _phy, \
  173. (_phy)->def_md_devad, \
  174. (_bank + (_addr & 0xf)), \
  175. _val)
  176. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  177. {
  178. u32 val = REG_RD(bp, reg);
  179. val |= bits;
  180. REG_WR(bp, reg, val);
  181. return val;
  182. }
  183. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  184. {
  185. u32 val = REG_RD(bp, reg);
  186. val &= ~bits;
  187. REG_WR(bp, reg, val);
  188. return val;
  189. }
  190. /*
  191. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  192. * or link flap can be avoided.
  193. *
  194. * @params: link parameters
  195. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  196. * condition code.
  197. */
  198. static int bnx2x_check_lfa(struct link_params *params)
  199. {
  200. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  201. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  202. u32 saved_val, req_val, eee_status;
  203. struct bnx2x *bp = params->bp;
  204. additional_config =
  205. REG_RD(bp, params->lfa_base +
  206. offsetof(struct shmem_lfa, additional_config));
  207. /* NOTE: must be first condition checked -
  208. * to verify DCC bit is cleared in any case!
  209. */
  210. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  211. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  212. REG_WR(bp, params->lfa_base +
  213. offsetof(struct shmem_lfa, additional_config),
  214. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  215. return LFA_DCC_LFA_DISABLED;
  216. }
  217. /* Verify that link is up */
  218. link_status = REG_RD(bp, params->shmem_base +
  219. offsetof(struct shmem_region,
  220. port_mb[params->port].link_status));
  221. if (!(link_status & LINK_STATUS_LINK_UP))
  222. return LFA_LINK_DOWN;
  223. /* Verify that loopback mode is not set */
  224. if (params->loopback_mode)
  225. return LFA_LOOPBACK_ENABLED;
  226. /* Verify that MFW supports LFA */
  227. if (!params->lfa_base)
  228. return LFA_MFW_IS_TOO_OLD;
  229. if (params->num_phys == 3) {
  230. cfg_size = 2;
  231. lfa_mask = 0xffffffff;
  232. } else {
  233. cfg_size = 1;
  234. lfa_mask = 0xffff;
  235. }
  236. /* Compare Duplex */
  237. saved_val = REG_RD(bp, params->lfa_base +
  238. offsetof(struct shmem_lfa, req_duplex));
  239. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  240. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  241. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  242. (saved_val & lfa_mask), (req_val & lfa_mask));
  243. return LFA_DUPLEX_MISMATCH;
  244. }
  245. /* Compare Flow Control */
  246. saved_val = REG_RD(bp, params->lfa_base +
  247. offsetof(struct shmem_lfa, req_flow_ctrl));
  248. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  249. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  250. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  251. (saved_val & lfa_mask), (req_val & lfa_mask));
  252. return LFA_FLOW_CTRL_MISMATCH;
  253. }
  254. /* Compare Link Speed */
  255. saved_val = REG_RD(bp, params->lfa_base +
  256. offsetof(struct shmem_lfa, req_line_speed));
  257. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  258. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  259. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  260. (saved_val & lfa_mask), (req_val & lfa_mask));
  261. return LFA_LINK_SPEED_MISMATCH;
  262. }
  263. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  264. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  265. offsetof(struct shmem_lfa,
  266. speed_cap_mask[cfg_idx]));
  267. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  268. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  269. cur_speed_cap_mask,
  270. params->speed_cap_mask[cfg_idx]);
  271. return LFA_SPEED_CAP_MISMATCH;
  272. }
  273. }
  274. cur_req_fc_auto_adv =
  275. REG_RD(bp, params->lfa_base +
  276. offsetof(struct shmem_lfa, additional_config)) &
  277. REQ_FC_AUTO_ADV_MASK;
  278. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  279. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  280. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  281. return LFA_FLOW_CTRL_MISMATCH;
  282. }
  283. eee_status = REG_RD(bp, params->shmem2_base +
  284. offsetof(struct shmem2_region,
  285. eee_status[params->port]));
  286. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  287. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  288. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  289. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  290. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  291. eee_status);
  292. return LFA_EEE_MISMATCH;
  293. }
  294. /* LFA conditions are met */
  295. return 0;
  296. }
  297. /******************************************************************/
  298. /* EPIO/GPIO section */
  299. /******************************************************************/
  300. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  301. {
  302. u32 epio_mask, gp_oenable;
  303. *en = 0;
  304. /* Sanity check */
  305. if (epio_pin > 31) {
  306. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  307. return;
  308. }
  309. epio_mask = 1 << epio_pin;
  310. /* Set this EPIO to output */
  311. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  312. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  313. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  314. }
  315. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  316. {
  317. u32 epio_mask, gp_output, gp_oenable;
  318. /* Sanity check */
  319. if (epio_pin > 31) {
  320. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  321. return;
  322. }
  323. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  324. epio_mask = 1 << epio_pin;
  325. /* Set this EPIO to output */
  326. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  327. if (en)
  328. gp_output |= epio_mask;
  329. else
  330. gp_output &= ~epio_mask;
  331. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  332. /* Set the value for this EPIO */
  333. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  334. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  335. }
  336. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  337. {
  338. if (pin_cfg == PIN_CFG_NA)
  339. return;
  340. if (pin_cfg >= PIN_CFG_EPIO0) {
  341. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  342. } else {
  343. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  344. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  345. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  346. }
  347. }
  348. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  349. {
  350. if (pin_cfg == PIN_CFG_NA)
  351. return -EINVAL;
  352. if (pin_cfg >= PIN_CFG_EPIO0) {
  353. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  354. } else {
  355. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  356. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  357. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  358. }
  359. return 0;
  360. }
  361. /******************************************************************/
  362. /* ETS section */
  363. /******************************************************************/
  364. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  365. {
  366. /* ETS disabled configuration*/
  367. struct bnx2x *bp = params->bp;
  368. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  369. /* mapping between entry priority to client number (0,1,2 -debug and
  370. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  371. * 3bits client num.
  372. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  373. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  374. */
  375. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  376. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  377. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  378. * COS0 entry, 4 - COS1 entry.
  379. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  380. * bit4 bit3 bit2 bit1 bit0
  381. * MCP and debug are strict
  382. */
  383. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  384. /* defines which entries (clients) are subjected to WFQ arbitration */
  385. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  386. /* For strict priority entries defines the number of consecutive
  387. * slots for the highest priority.
  388. */
  389. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  390. /* mapping between the CREDIT_WEIGHT registers and actual client
  391. * numbers
  392. */
  393. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  394. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  395. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  397. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  398. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  399. /* ETS mode disable */
  400. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  401. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  402. * weight for COS0/COS1.
  403. */
  404. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  405. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  406. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  407. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  408. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  409. /* Defines the number of consecutive slots for the strict priority */
  410. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  411. }
  412. /******************************************************************************
  413. * Description:
  414. * Getting min_w_val will be set according to line speed .
  415. *.
  416. ******************************************************************************/
  417. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  418. {
  419. u32 min_w_val = 0;
  420. /* Calculate min_w_val.*/
  421. if (vars->link_up) {
  422. if (vars->line_speed == SPEED_20000)
  423. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  424. else
  425. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  426. } else
  427. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  428. /* If the link isn't up (static configuration for example ) The
  429. * link will be according to 20GBPS.
  430. */
  431. return min_w_val;
  432. }
  433. /******************************************************************************
  434. * Description:
  435. * Getting credit upper bound form min_w_val.
  436. *.
  437. ******************************************************************************/
  438. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  439. {
  440. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  441. MAX_PACKET_SIZE);
  442. return credit_upper_bound;
  443. }
  444. /******************************************************************************
  445. * Description:
  446. * Set credit upper bound for NIG.
  447. *.
  448. ******************************************************************************/
  449. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  450. const struct link_params *params,
  451. const u32 min_w_val)
  452. {
  453. struct bnx2x *bp = params->bp;
  454. const u8 port = params->port;
  455. const u32 credit_upper_bound =
  456. bnx2x_ets_get_credit_upper_bound(min_w_val);
  457. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  458. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  459. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  460. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  461. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  462. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  463. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  464. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  465. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  466. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  467. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  468. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  469. if (!port) {
  470. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  471. credit_upper_bound);
  472. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  473. credit_upper_bound);
  474. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  475. credit_upper_bound);
  476. }
  477. }
  478. /******************************************************************************
  479. * Description:
  480. * Will return the NIG ETS registers to init values.Except
  481. * credit_upper_bound.
  482. * That isn't used in this configuration (No WFQ is enabled) and will be
  483. * configured acording to spec
  484. *.
  485. ******************************************************************************/
  486. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  487. const struct link_vars *vars)
  488. {
  489. struct bnx2x *bp = params->bp;
  490. const u8 port = params->port;
  491. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  492. /* Mapping between entry priority to client number (0,1,2 -debug and
  493. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  494. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  495. * reset value or init tool
  496. */
  497. if (port) {
  498. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  499. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  500. } else {
  501. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  502. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  503. }
  504. /* For strict priority entries defines the number of consecutive
  505. * slots for the highest priority.
  506. */
  507. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  508. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  509. /* Mapping between the CREDIT_WEIGHT registers and actual client
  510. * numbers
  511. */
  512. if (port) {
  513. /*Port 1 has 6 COS*/
  514. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  515. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  516. } else {
  517. /*Port 0 has 9 COS*/
  518. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  519. 0x43210876);
  520. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  521. }
  522. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  523. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  524. * COS0 entry, 4 - COS1 entry.
  525. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  526. * bit4 bit3 bit2 bit1 bit0
  527. * MCP and debug are strict
  528. */
  529. if (port)
  530. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  531. else
  532. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  533. /* defines which entries (clients) are subjected to WFQ arbitration */
  534. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  535. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  536. /* Please notice the register address are note continuous and a
  537. * for here is note appropriate.In 2 port mode port0 only COS0-5
  538. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  539. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  540. * are never used for WFQ
  541. */
  542. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  543. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  544. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  545. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  546. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  547. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  548. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  549. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  550. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  551. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  552. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  553. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  554. if (!port) {
  555. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  556. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  557. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  558. }
  559. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  560. }
  561. /******************************************************************************
  562. * Description:
  563. * Set credit upper bound for PBF.
  564. *.
  565. ******************************************************************************/
  566. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  567. const struct link_params *params,
  568. const u32 min_w_val)
  569. {
  570. struct bnx2x *bp = params->bp;
  571. const u32 credit_upper_bound =
  572. bnx2x_ets_get_credit_upper_bound(min_w_val);
  573. const u8 port = params->port;
  574. u32 base_upper_bound = 0;
  575. u8 max_cos = 0;
  576. u8 i = 0;
  577. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  578. * port mode port1 has COS0-2 that can be used for WFQ.
  579. */
  580. if (!port) {
  581. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  582. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  583. } else {
  584. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  585. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  586. }
  587. for (i = 0; i < max_cos; i++)
  588. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  589. }
  590. /******************************************************************************
  591. * Description:
  592. * Will return the PBF ETS registers to init values.Except
  593. * credit_upper_bound.
  594. * That isn't used in this configuration (No WFQ is enabled) and will be
  595. * configured acording to spec
  596. *.
  597. ******************************************************************************/
  598. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  599. {
  600. struct bnx2x *bp = params->bp;
  601. const u8 port = params->port;
  602. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  603. u8 i = 0;
  604. u32 base_weight = 0;
  605. u8 max_cos = 0;
  606. /* Mapping between entry priority to client number 0 - COS0
  607. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  608. * TODO_ETS - Should be done by reset value or init tool
  609. */
  610. if (port)
  611. /* 0x688 (|011|0 10|00 1|000) */
  612. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  613. else
  614. /* (10 1|100 |011|0 10|00 1|000) */
  615. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  616. /* TODO_ETS - Should be done by reset value or init tool */
  617. if (port)
  618. /* 0x688 (|011|0 10|00 1|000)*/
  619. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  620. else
  621. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  622. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  623. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  624. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  625. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  626. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  627. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  628. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  629. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  630. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  631. */
  632. if (!port) {
  633. base_weight = PBF_REG_COS0_WEIGHT_P0;
  634. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  635. } else {
  636. base_weight = PBF_REG_COS0_WEIGHT_P1;
  637. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  638. }
  639. for (i = 0; i < max_cos; i++)
  640. REG_WR(bp, base_weight + (0x4 * i), 0);
  641. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  642. }
  643. /******************************************************************************
  644. * Description:
  645. * E3B0 disable will return basicly the values to init values.
  646. *.
  647. ******************************************************************************/
  648. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  649. const struct link_vars *vars)
  650. {
  651. struct bnx2x *bp = params->bp;
  652. if (!CHIP_IS_E3B0(bp)) {
  653. DP(NETIF_MSG_LINK,
  654. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  655. return -EINVAL;
  656. }
  657. bnx2x_ets_e3b0_nig_disabled(params, vars);
  658. bnx2x_ets_e3b0_pbf_disabled(params);
  659. return 0;
  660. }
  661. /******************************************************************************
  662. * Description:
  663. * Disable will return basicly the values to init values.
  664. *
  665. ******************************************************************************/
  666. int bnx2x_ets_disabled(struct link_params *params,
  667. struct link_vars *vars)
  668. {
  669. struct bnx2x *bp = params->bp;
  670. int bnx2x_status = 0;
  671. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  672. bnx2x_ets_e2e3a0_disabled(params);
  673. else if (CHIP_IS_E3B0(bp))
  674. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  675. else {
  676. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  677. return -EINVAL;
  678. }
  679. return bnx2x_status;
  680. }
  681. /******************************************************************************
  682. * Description
  683. * Set the COS mappimg to SP and BW until this point all the COS are not
  684. * set as SP or BW.
  685. ******************************************************************************/
  686. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  687. const struct bnx2x_ets_params *ets_params,
  688. const u8 cos_sp_bitmap,
  689. const u8 cos_bw_bitmap)
  690. {
  691. struct bnx2x *bp = params->bp;
  692. const u8 port = params->port;
  693. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  694. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  695. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  696. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  697. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  698. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  699. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  700. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  701. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  702. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  703. nig_cli_subject2wfq_bitmap);
  704. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  705. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  706. pbf_cli_subject2wfq_bitmap);
  707. return 0;
  708. }
  709. /******************************************************************************
  710. * Description:
  711. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  712. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  713. ******************************************************************************/
  714. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  715. const u8 cos_entry,
  716. const u32 min_w_val_nig,
  717. const u32 min_w_val_pbf,
  718. const u16 total_bw,
  719. const u8 bw,
  720. const u8 port)
  721. {
  722. u32 nig_reg_adress_crd_weight = 0;
  723. u32 pbf_reg_adress_crd_weight = 0;
  724. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  725. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  726. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  727. switch (cos_entry) {
  728. case 0:
  729. nig_reg_adress_crd_weight =
  730. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  731. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  732. pbf_reg_adress_crd_weight = (port) ?
  733. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  734. break;
  735. case 1:
  736. nig_reg_adress_crd_weight = (port) ?
  737. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  738. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  739. pbf_reg_adress_crd_weight = (port) ?
  740. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  741. break;
  742. case 2:
  743. nig_reg_adress_crd_weight = (port) ?
  744. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  745. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  746. pbf_reg_adress_crd_weight = (port) ?
  747. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  748. break;
  749. case 3:
  750. if (port)
  751. return -EINVAL;
  752. nig_reg_adress_crd_weight =
  753. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  754. pbf_reg_adress_crd_weight =
  755. PBF_REG_COS3_WEIGHT_P0;
  756. break;
  757. case 4:
  758. if (port)
  759. return -EINVAL;
  760. nig_reg_adress_crd_weight =
  761. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  762. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  763. break;
  764. case 5:
  765. if (port)
  766. return -EINVAL;
  767. nig_reg_adress_crd_weight =
  768. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  769. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  770. break;
  771. }
  772. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  773. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  774. return 0;
  775. }
  776. /******************************************************************************
  777. * Description:
  778. * Calculate the total BW.A value of 0 isn't legal.
  779. *
  780. ******************************************************************************/
  781. static int bnx2x_ets_e3b0_get_total_bw(
  782. const struct link_params *params,
  783. struct bnx2x_ets_params *ets_params,
  784. u16 *total_bw)
  785. {
  786. struct bnx2x *bp = params->bp;
  787. u8 cos_idx = 0;
  788. u8 is_bw_cos_exist = 0;
  789. *total_bw = 0 ;
  790. /* Calculate total BW requested */
  791. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  792. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  793. is_bw_cos_exist = 1;
  794. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  795. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  796. "was set to 0\n");
  797. /* This is to prevent a state when ramrods
  798. * can't be sent
  799. */
  800. ets_params->cos[cos_idx].params.bw_params.bw
  801. = 1;
  802. }
  803. *total_bw +=
  804. ets_params->cos[cos_idx].params.bw_params.bw;
  805. }
  806. }
  807. /* Check total BW is valid */
  808. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  809. if (*total_bw == 0) {
  810. DP(NETIF_MSG_LINK,
  811. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  812. return -EINVAL;
  813. }
  814. DP(NETIF_MSG_LINK,
  815. "bnx2x_ets_E3B0_config total BW should be 100\n");
  816. /* We can handle a case whre the BW isn't 100 this can happen
  817. * if the TC are joined.
  818. */
  819. }
  820. return 0;
  821. }
  822. /******************************************************************************
  823. * Description:
  824. * Invalidate all the sp_pri_to_cos.
  825. *
  826. ******************************************************************************/
  827. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  828. {
  829. u8 pri = 0;
  830. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  831. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  832. }
  833. /******************************************************************************
  834. * Description:
  835. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  836. * according to sp_pri_to_cos.
  837. *
  838. ******************************************************************************/
  839. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  840. u8 *sp_pri_to_cos, const u8 pri,
  841. const u8 cos_entry)
  842. {
  843. struct bnx2x *bp = params->bp;
  844. const u8 port = params->port;
  845. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  846. DCBX_E3B0_MAX_NUM_COS_PORT0;
  847. if (pri >= max_num_of_cos) {
  848. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  849. "parameter Illegal strict priority\n");
  850. return -EINVAL;
  851. }
  852. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  853. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  854. "parameter There can't be two COS's with "
  855. "the same strict pri\n");
  856. return -EINVAL;
  857. }
  858. sp_pri_to_cos[pri] = cos_entry;
  859. return 0;
  860. }
  861. /******************************************************************************
  862. * Description:
  863. * Returns the correct value according to COS and priority in
  864. * the sp_pri_cli register.
  865. *
  866. ******************************************************************************/
  867. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  868. const u8 pri_set,
  869. const u8 pri_offset,
  870. const u8 entry_size)
  871. {
  872. u64 pri_cli_nig = 0;
  873. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  874. (pri_set + pri_offset));
  875. return pri_cli_nig;
  876. }
  877. /******************************************************************************
  878. * Description:
  879. * Returns the correct value according to COS and priority in the
  880. * sp_pri_cli register for NIG.
  881. *
  882. ******************************************************************************/
  883. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  884. {
  885. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  886. const u8 nig_cos_offset = 3;
  887. const u8 nig_pri_offset = 3;
  888. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  889. nig_pri_offset, 4);
  890. }
  891. /******************************************************************************
  892. * Description:
  893. * Returns the correct value according to COS and priority in the
  894. * sp_pri_cli register for PBF.
  895. *
  896. ******************************************************************************/
  897. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  898. {
  899. const u8 pbf_cos_offset = 0;
  900. const u8 pbf_pri_offset = 0;
  901. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  902. pbf_pri_offset, 3);
  903. }
  904. /******************************************************************************
  905. * Description:
  906. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  907. * according to sp_pri_to_cos.(which COS has higher priority)
  908. *
  909. ******************************************************************************/
  910. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  911. u8 *sp_pri_to_cos)
  912. {
  913. struct bnx2x *bp = params->bp;
  914. u8 i = 0;
  915. const u8 port = params->port;
  916. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  917. u64 pri_cli_nig = 0x210;
  918. u32 pri_cli_pbf = 0x0;
  919. u8 pri_set = 0;
  920. u8 pri_bitmask = 0;
  921. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  922. DCBX_E3B0_MAX_NUM_COS_PORT0;
  923. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  924. /* Set all the strict priority first */
  925. for (i = 0; i < max_num_of_cos; i++) {
  926. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  927. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  928. DP(NETIF_MSG_LINK,
  929. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  930. "invalid cos entry\n");
  931. return -EINVAL;
  932. }
  933. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  934. sp_pri_to_cos[i], pri_set);
  935. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  936. sp_pri_to_cos[i], pri_set);
  937. pri_bitmask = 1 << sp_pri_to_cos[i];
  938. /* COS is used remove it from bitmap.*/
  939. if (!(pri_bitmask & cos_bit_to_set)) {
  940. DP(NETIF_MSG_LINK,
  941. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  942. "invalid There can't be two COS's with"
  943. " the same strict pri\n");
  944. return -EINVAL;
  945. }
  946. cos_bit_to_set &= ~pri_bitmask;
  947. pri_set++;
  948. }
  949. }
  950. /* Set all the Non strict priority i= COS*/
  951. for (i = 0; i < max_num_of_cos; i++) {
  952. pri_bitmask = 1 << i;
  953. /* Check if COS was already used for SP */
  954. if (pri_bitmask & cos_bit_to_set) {
  955. /* COS wasn't used for SP */
  956. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  957. i, pri_set);
  958. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  959. i, pri_set);
  960. /* COS is used remove it from bitmap.*/
  961. cos_bit_to_set &= ~pri_bitmask;
  962. pri_set++;
  963. }
  964. }
  965. if (pri_set != max_num_of_cos) {
  966. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  967. "entries were set\n");
  968. return -EINVAL;
  969. }
  970. if (port) {
  971. /* Only 6 usable clients*/
  972. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  973. (u32)pri_cli_nig);
  974. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  975. } else {
  976. /* Only 9 usable clients*/
  977. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  978. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  979. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  980. pri_cli_nig_lsb);
  981. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  982. pri_cli_nig_msb);
  983. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  984. }
  985. return 0;
  986. }
  987. /******************************************************************************
  988. * Description:
  989. * Configure the COS to ETS according to BW and SP settings.
  990. ******************************************************************************/
  991. int bnx2x_ets_e3b0_config(const struct link_params *params,
  992. const struct link_vars *vars,
  993. struct bnx2x_ets_params *ets_params)
  994. {
  995. struct bnx2x *bp = params->bp;
  996. int bnx2x_status = 0;
  997. const u8 port = params->port;
  998. u16 total_bw = 0;
  999. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  1000. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1001. u8 cos_bw_bitmap = 0;
  1002. u8 cos_sp_bitmap = 0;
  1003. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1004. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1005. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1006. u8 cos_entry = 0;
  1007. if (!CHIP_IS_E3B0(bp)) {
  1008. DP(NETIF_MSG_LINK,
  1009. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1010. return -EINVAL;
  1011. }
  1012. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1013. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1014. "isn't supported\n");
  1015. return -EINVAL;
  1016. }
  1017. /* Prepare sp strict priority parameters*/
  1018. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1019. /* Prepare BW parameters*/
  1020. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1021. &total_bw);
  1022. if (bnx2x_status) {
  1023. DP(NETIF_MSG_LINK,
  1024. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1025. return -EINVAL;
  1026. }
  1027. /* Upper bound is set according to current link speed (min_w_val
  1028. * should be the same for upper bound and COS credit val).
  1029. */
  1030. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1031. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1032. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1033. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1034. cos_bw_bitmap |= (1 << cos_entry);
  1035. /* The function also sets the BW in HW(not the mappin
  1036. * yet)
  1037. */
  1038. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1039. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1040. total_bw,
  1041. ets_params->cos[cos_entry].params.bw_params.bw,
  1042. port);
  1043. } else if (bnx2x_cos_state_strict ==
  1044. ets_params->cos[cos_entry].state){
  1045. cos_sp_bitmap |= (1 << cos_entry);
  1046. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1047. params,
  1048. sp_pri_to_cos,
  1049. ets_params->cos[cos_entry].params.sp_params.pri,
  1050. cos_entry);
  1051. } else {
  1052. DP(NETIF_MSG_LINK,
  1053. "bnx2x_ets_e3b0_config cos state not valid\n");
  1054. return -EINVAL;
  1055. }
  1056. if (bnx2x_status) {
  1057. DP(NETIF_MSG_LINK,
  1058. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1059. return bnx2x_status;
  1060. }
  1061. }
  1062. /* Set SP register (which COS has higher priority) */
  1063. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1064. sp_pri_to_cos);
  1065. if (bnx2x_status) {
  1066. DP(NETIF_MSG_LINK,
  1067. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1068. return bnx2x_status;
  1069. }
  1070. /* Set client mapping of BW and strict */
  1071. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1072. cos_sp_bitmap,
  1073. cos_bw_bitmap);
  1074. if (bnx2x_status) {
  1075. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1076. return bnx2x_status;
  1077. }
  1078. return 0;
  1079. }
  1080. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1081. {
  1082. /* ETS disabled configuration */
  1083. struct bnx2x *bp = params->bp;
  1084. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1085. /* Defines which entries (clients) are subjected to WFQ arbitration
  1086. * COS0 0x8
  1087. * COS1 0x10
  1088. */
  1089. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1090. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1091. * client numbers (WEIGHT_0 does not actually have to represent
  1092. * client 0)
  1093. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1094. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1095. */
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1097. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1098. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1099. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1100. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1101. /* ETS mode enabled*/
  1102. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1103. /* Defines the number of consecutive slots for the strict priority */
  1104. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1105. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1106. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1107. * entry, 4 - COS1 entry.
  1108. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1109. * bit4 bit3 bit2 bit1 bit0
  1110. * MCP and debug are strict
  1111. */
  1112. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1113. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1114. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1115. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1116. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1117. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1118. }
  1119. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1120. const u32 cos1_bw)
  1121. {
  1122. /* ETS disabled configuration*/
  1123. struct bnx2x *bp = params->bp;
  1124. const u32 total_bw = cos0_bw + cos1_bw;
  1125. u32 cos0_credit_weight = 0;
  1126. u32 cos1_credit_weight = 0;
  1127. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1128. if ((!total_bw) ||
  1129. (!cos0_bw) ||
  1130. (!cos1_bw)) {
  1131. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1132. return;
  1133. }
  1134. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1135. total_bw;
  1136. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1137. total_bw;
  1138. bnx2x_ets_bw_limit_common(params);
  1139. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1140. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1141. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1142. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1143. }
  1144. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1145. {
  1146. /* ETS disabled configuration*/
  1147. struct bnx2x *bp = params->bp;
  1148. u32 val = 0;
  1149. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1150. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1151. * as strict. Bits 0,1,2 - debug and management entries,
  1152. * 3 - COS0 entry, 4 - COS1 entry.
  1153. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1154. * bit4 bit3 bit2 bit1 bit0
  1155. * MCP and debug are strict
  1156. */
  1157. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1158. /* For strict priority entries defines the number of consecutive slots
  1159. * for the highest priority.
  1160. */
  1161. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1162. /* ETS mode disable */
  1163. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1164. /* Defines the number of consecutive slots for the strict priority */
  1165. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1166. /* Defines the number of consecutive slots for the strict priority */
  1167. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1168. /* Mapping between entry priority to client number (0,1,2 -debug and
  1169. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1170. * 3bits client num.
  1171. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1172. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1173. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1174. */
  1175. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1176. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1177. return 0;
  1178. }
  1179. /******************************************************************/
  1180. /* PFC section */
  1181. /******************************************************************/
  1182. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1183. struct link_vars *vars,
  1184. u8 is_lb)
  1185. {
  1186. struct bnx2x *bp = params->bp;
  1187. u32 xmac_base;
  1188. u32 pause_val, pfc0_val, pfc1_val;
  1189. /* XMAC base adrr */
  1190. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1191. /* Initialize pause and pfc registers */
  1192. pause_val = 0x18000;
  1193. pfc0_val = 0xFFFF8000;
  1194. pfc1_val = 0x2;
  1195. /* No PFC support */
  1196. if (!(params->feature_config_flags &
  1197. FEATURE_CONFIG_PFC_ENABLED)) {
  1198. /* RX flow control - Process pause frame in receive direction
  1199. */
  1200. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1201. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1202. /* TX flow control - Send pause packet when buffer is full */
  1203. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1204. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1205. } else {/* PFC support */
  1206. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1207. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1208. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1209. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1210. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1211. /* Write pause and PFC registers */
  1212. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1213. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1214. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1215. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1216. }
  1217. /* Write pause and PFC registers */
  1218. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1219. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1220. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1221. /* Set MAC address for source TX Pause/PFC frames */
  1222. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1223. ((params->mac_addr[2] << 24) |
  1224. (params->mac_addr[3] << 16) |
  1225. (params->mac_addr[4] << 8) |
  1226. (params->mac_addr[5])));
  1227. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1228. ((params->mac_addr[0] << 8) |
  1229. (params->mac_addr[1])));
  1230. udelay(30);
  1231. }
  1232. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1233. u32 pfc_frames_sent[2],
  1234. u32 pfc_frames_received[2])
  1235. {
  1236. /* Read pfc statistic */
  1237. struct bnx2x *bp = params->bp;
  1238. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1239. u32 val_xon = 0;
  1240. u32 val_xoff = 0;
  1241. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1242. /* PFC received frames */
  1243. val_xoff = REG_RD(bp, emac_base +
  1244. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1245. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1246. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1247. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1248. pfc_frames_received[0] = val_xon + val_xoff;
  1249. /* PFC received sent */
  1250. val_xoff = REG_RD(bp, emac_base +
  1251. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1252. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1253. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1254. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1255. pfc_frames_sent[0] = val_xon + val_xoff;
  1256. }
  1257. /* Read pfc statistic*/
  1258. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1259. u32 pfc_frames_sent[2],
  1260. u32 pfc_frames_received[2])
  1261. {
  1262. /* Read pfc statistic */
  1263. struct bnx2x *bp = params->bp;
  1264. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1265. if (!vars->link_up)
  1266. return;
  1267. if (vars->mac_type == MAC_TYPE_EMAC) {
  1268. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1269. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1270. pfc_frames_received);
  1271. }
  1272. }
  1273. /******************************************************************/
  1274. /* MAC/PBF section */
  1275. /******************************************************************/
  1276. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id,
  1277. u32 emac_base)
  1278. {
  1279. u32 new_mode, cur_mode;
  1280. u32 clc_cnt;
  1281. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1282. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1283. */
  1284. cur_mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1285. if (USES_WARPCORE(bp))
  1286. clc_cnt = 74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1287. else
  1288. clc_cnt = 49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT;
  1289. if (((cur_mode & EMAC_MDIO_MODE_CLOCK_CNT) == clc_cnt) &&
  1290. (cur_mode & (EMAC_MDIO_MODE_CLAUSE_45)))
  1291. return;
  1292. new_mode = cur_mode &
  1293. ~(EMAC_MDIO_MODE_AUTO_POLL | EMAC_MDIO_MODE_CLOCK_CNT);
  1294. new_mode |= clc_cnt;
  1295. new_mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1296. DP(NETIF_MSG_LINK, "Changing emac_mode from 0x%x to 0x%x\n",
  1297. cur_mode, new_mode);
  1298. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, new_mode);
  1299. udelay(40);
  1300. }
  1301. static void bnx2x_set_mdio_emac_per_phy(struct bnx2x *bp,
  1302. struct link_params *params)
  1303. {
  1304. u8 phy_index;
  1305. /* Set mdio clock per phy */
  1306. for (phy_index = INT_PHY; phy_index < params->num_phys;
  1307. phy_index++)
  1308. bnx2x_set_mdio_clk(bp, params->chip_id,
  1309. params->phy[phy_index].mdio_ctrl);
  1310. }
  1311. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1312. {
  1313. u32 port4mode_ovwr_val;
  1314. /* Check 4-port override enabled */
  1315. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1316. if (port4mode_ovwr_val & (1<<0)) {
  1317. /* Return 4-port mode override value */
  1318. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1319. }
  1320. /* Return 4-port mode from input pin */
  1321. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1322. }
  1323. static void bnx2x_emac_init(struct link_params *params,
  1324. struct link_vars *vars)
  1325. {
  1326. /* reset and unreset the emac core */
  1327. struct bnx2x *bp = params->bp;
  1328. u8 port = params->port;
  1329. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1330. u32 val;
  1331. u16 timeout;
  1332. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1333. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1334. udelay(5);
  1335. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1336. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1337. /* init emac - use read-modify-write */
  1338. /* self clear reset */
  1339. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1340. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1341. timeout = 200;
  1342. do {
  1343. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1344. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1345. if (!timeout) {
  1346. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1347. return;
  1348. }
  1349. timeout--;
  1350. } while (val & EMAC_MODE_RESET);
  1351. bnx2x_set_mdio_emac_per_phy(bp, params);
  1352. /* Set mac address */
  1353. val = ((params->mac_addr[0] << 8) |
  1354. params->mac_addr[1]);
  1355. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1356. val = ((params->mac_addr[2] << 24) |
  1357. (params->mac_addr[3] << 16) |
  1358. (params->mac_addr[4] << 8) |
  1359. params->mac_addr[5]);
  1360. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1361. }
  1362. static void bnx2x_set_xumac_nig(struct link_params *params,
  1363. u16 tx_pause_en,
  1364. u8 enable)
  1365. {
  1366. struct bnx2x *bp = params->bp;
  1367. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1368. enable);
  1369. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1370. enable);
  1371. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1372. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1373. }
  1374. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1375. {
  1376. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1377. u32 val;
  1378. struct bnx2x *bp = params->bp;
  1379. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1380. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1381. return;
  1382. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1383. if (en)
  1384. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1385. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1386. else
  1387. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1388. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1389. /* Disable RX and TX */
  1390. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1391. }
  1392. static void bnx2x_umac_enable(struct link_params *params,
  1393. struct link_vars *vars, u8 lb)
  1394. {
  1395. u32 val;
  1396. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1397. struct bnx2x *bp = params->bp;
  1398. /* Reset UMAC */
  1399. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1400. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1401. usleep_range(1000, 2000);
  1402. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1403. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1404. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1405. /* This register opens the gate for the UMAC despite its name */
  1406. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1407. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1408. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1409. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1410. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1411. switch (vars->line_speed) {
  1412. case SPEED_10:
  1413. val |= (0<<2);
  1414. break;
  1415. case SPEED_100:
  1416. val |= (1<<2);
  1417. break;
  1418. case SPEED_1000:
  1419. val |= (2<<2);
  1420. break;
  1421. case SPEED_2500:
  1422. val |= (3<<2);
  1423. break;
  1424. default:
  1425. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1426. vars->line_speed);
  1427. break;
  1428. }
  1429. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1430. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1431. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1432. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1433. if (vars->duplex == DUPLEX_HALF)
  1434. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1435. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1436. udelay(50);
  1437. /* Configure UMAC for EEE */
  1438. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1439. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1440. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1441. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1442. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1443. } else {
  1444. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1445. }
  1446. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1447. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1448. ((params->mac_addr[2] << 24) |
  1449. (params->mac_addr[3] << 16) |
  1450. (params->mac_addr[4] << 8) |
  1451. (params->mac_addr[5])));
  1452. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1453. ((params->mac_addr[0] << 8) |
  1454. (params->mac_addr[1])));
  1455. /* Enable RX and TX */
  1456. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1457. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1458. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1459. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1460. udelay(50);
  1461. /* Remove SW Reset */
  1462. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1463. /* Check loopback mode */
  1464. if (lb)
  1465. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1466. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1467. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1468. * length used by the MAC receive logic to check frames.
  1469. */
  1470. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1471. bnx2x_set_xumac_nig(params,
  1472. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1473. vars->mac_type = MAC_TYPE_UMAC;
  1474. }
  1475. /* Define the XMAC mode */
  1476. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1477. {
  1478. struct bnx2x *bp = params->bp;
  1479. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1480. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1481. * already out of reset, it means the mode has already been set,
  1482. * and it must not* reset the XMAC again, since it controls both
  1483. * ports of the path
  1484. */
  1485. if (((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) ||
  1486. (CHIP_NUM(bp) == CHIP_NUM_57840_2_20) ||
  1487. (CHIP_NUM(bp) == CHIP_NUM_57840_OBSOLETE)) &&
  1488. is_port4mode &&
  1489. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1490. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1491. DP(NETIF_MSG_LINK,
  1492. "XMAC already out of reset in 4-port mode\n");
  1493. return;
  1494. }
  1495. /* Hard reset */
  1496. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1497. MISC_REGISTERS_RESET_REG_2_XMAC);
  1498. usleep_range(1000, 2000);
  1499. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1500. MISC_REGISTERS_RESET_REG_2_XMAC);
  1501. if (is_port4mode) {
  1502. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1503. /* Set the number of ports on the system side to up to 2 */
  1504. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1505. /* Set the number of ports on the Warp Core to 10G */
  1506. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1507. } else {
  1508. /* Set the number of ports on the system side to 1 */
  1509. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1510. if (max_speed == SPEED_10000) {
  1511. DP(NETIF_MSG_LINK,
  1512. "Init XMAC to 10G x 1 port per path\n");
  1513. /* Set the number of ports on the Warp Core to 10G */
  1514. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1515. } else {
  1516. DP(NETIF_MSG_LINK,
  1517. "Init XMAC to 20G x 2 ports per path\n");
  1518. /* Set the number of ports on the Warp Core to 20G */
  1519. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1520. }
  1521. }
  1522. /* Soft reset */
  1523. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1524. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1525. usleep_range(1000, 2000);
  1526. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1527. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1528. }
  1529. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1530. {
  1531. u8 port = params->port;
  1532. struct bnx2x *bp = params->bp;
  1533. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1534. u32 val;
  1535. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1536. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1537. /* Send an indication to change the state in the NIG back to XON
  1538. * Clearing this bit enables the next set of this bit to get
  1539. * rising edge
  1540. */
  1541. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1542. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1543. (pfc_ctrl & ~(1<<1)));
  1544. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1545. (pfc_ctrl | (1<<1)));
  1546. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1547. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1548. if (en)
  1549. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1550. else
  1551. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1552. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1553. }
  1554. }
  1555. static int bnx2x_xmac_enable(struct link_params *params,
  1556. struct link_vars *vars, u8 lb)
  1557. {
  1558. u32 val, xmac_base;
  1559. struct bnx2x *bp = params->bp;
  1560. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1561. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1562. bnx2x_xmac_init(params, vars->line_speed);
  1563. /* This register determines on which events the MAC will assert
  1564. * error on the i/f to the NIG along w/ EOP.
  1565. */
  1566. /* This register tells the NIG whether to send traffic to UMAC
  1567. * or XMAC
  1568. */
  1569. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1570. /* When XMAC is in XLGMII mode, disable sending idles for fault
  1571. * detection.
  1572. */
  1573. if (!(params->phy[INT_PHY].flags & FLAGS_TX_ERROR_CHECK)) {
  1574. REG_WR(bp, xmac_base + XMAC_REG_RX_LSS_CTRL,
  1575. (XMAC_RX_LSS_CTRL_REG_LOCAL_FAULT_DISABLE |
  1576. XMAC_RX_LSS_CTRL_REG_REMOTE_FAULT_DISABLE));
  1577. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  1578. REG_WR(bp, xmac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  1579. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  1580. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  1581. }
  1582. /* Set Max packet size */
  1583. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1584. /* CRC append for Tx packets */
  1585. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1586. /* update PFC */
  1587. bnx2x_update_pfc_xmac(params, vars, 0);
  1588. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1589. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1590. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1591. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1592. } else {
  1593. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1594. }
  1595. /* Enable TX and RX */
  1596. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1597. /* Set MAC in XLGMII mode for dual-mode */
  1598. if ((vars->line_speed == SPEED_20000) &&
  1599. (params->phy[INT_PHY].supported &
  1600. SUPPORTED_20000baseKR2_Full))
  1601. val |= XMAC_CTRL_REG_XLGMII_ALIGN_ENB;
  1602. /* Check loopback mode */
  1603. if (lb)
  1604. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1605. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1606. bnx2x_set_xumac_nig(params,
  1607. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1608. vars->mac_type = MAC_TYPE_XMAC;
  1609. return 0;
  1610. }
  1611. static int bnx2x_emac_enable(struct link_params *params,
  1612. struct link_vars *vars, u8 lb)
  1613. {
  1614. struct bnx2x *bp = params->bp;
  1615. u8 port = params->port;
  1616. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1617. u32 val;
  1618. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1619. /* Disable BMAC */
  1620. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1621. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1622. /* enable emac and not bmac */
  1623. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1624. /* ASIC */
  1625. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1626. u32 ser_lane = ((params->lane_config &
  1627. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1628. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1629. DP(NETIF_MSG_LINK, "XGXS\n");
  1630. /* select the master lanes (out of 0-3) */
  1631. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1632. /* select XGXS */
  1633. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1634. } else { /* SerDes */
  1635. DP(NETIF_MSG_LINK, "SerDes\n");
  1636. /* select SerDes */
  1637. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1638. }
  1639. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1640. EMAC_RX_MODE_RESET);
  1641. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1642. EMAC_TX_MODE_RESET);
  1643. /* pause enable/disable */
  1644. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1645. EMAC_RX_MODE_FLOW_EN);
  1646. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1647. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1648. EMAC_TX_MODE_FLOW_EN));
  1649. if (!(params->feature_config_flags &
  1650. FEATURE_CONFIG_PFC_ENABLED)) {
  1651. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1652. bnx2x_bits_en(bp, emac_base +
  1653. EMAC_REG_EMAC_RX_MODE,
  1654. EMAC_RX_MODE_FLOW_EN);
  1655. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1656. bnx2x_bits_en(bp, emac_base +
  1657. EMAC_REG_EMAC_TX_MODE,
  1658. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1659. EMAC_TX_MODE_FLOW_EN));
  1660. } else
  1661. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1662. EMAC_TX_MODE_FLOW_EN);
  1663. /* KEEP_VLAN_TAG, promiscuous */
  1664. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1665. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1666. /* Setting this bit causes MAC control frames (except for pause
  1667. * frames) to be passed on for processing. This setting has no
  1668. * affect on the operation of the pause frames. This bit effects
  1669. * all packets regardless of RX Parser packet sorting logic.
  1670. * Turn the PFC off to make sure we are in Xon state before
  1671. * enabling it.
  1672. */
  1673. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1674. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1675. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1676. /* Enable PFC again */
  1677. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1678. EMAC_REG_RX_PFC_MODE_RX_EN |
  1679. EMAC_REG_RX_PFC_MODE_TX_EN |
  1680. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1681. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1682. ((0x0101 <<
  1683. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1684. (0x00ff <<
  1685. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1686. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1687. }
  1688. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1689. /* Set Loopback */
  1690. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1691. if (lb)
  1692. val |= 0x810;
  1693. else
  1694. val &= ~0x810;
  1695. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1696. /* Enable emac */
  1697. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1698. /* Enable emac for jumbo packets */
  1699. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1700. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1701. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1702. /* Strip CRC */
  1703. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1704. /* Disable the NIG in/out to the bmac */
  1705. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1706. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1707. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1708. /* Enable the NIG in/out to the emac */
  1709. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1710. val = 0;
  1711. if ((params->feature_config_flags &
  1712. FEATURE_CONFIG_PFC_ENABLED) ||
  1713. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1714. val = 1;
  1715. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1716. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1717. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1718. vars->mac_type = MAC_TYPE_EMAC;
  1719. return 0;
  1720. }
  1721. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1722. struct link_vars *vars)
  1723. {
  1724. u32 wb_data[2];
  1725. struct bnx2x *bp = params->bp;
  1726. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1727. NIG_REG_INGRESS_BMAC0_MEM;
  1728. u32 val = 0x14;
  1729. if ((!(params->feature_config_flags &
  1730. FEATURE_CONFIG_PFC_ENABLED)) &&
  1731. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1732. /* Enable BigMAC to react on received Pause packets */
  1733. val |= (1<<5);
  1734. wb_data[0] = val;
  1735. wb_data[1] = 0;
  1736. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1737. /* TX control */
  1738. val = 0xc0;
  1739. if (!(params->feature_config_flags &
  1740. FEATURE_CONFIG_PFC_ENABLED) &&
  1741. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1742. val |= 0x800000;
  1743. wb_data[0] = val;
  1744. wb_data[1] = 0;
  1745. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1746. }
  1747. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1748. struct link_vars *vars,
  1749. u8 is_lb)
  1750. {
  1751. /* Set rx control: Strip CRC and enable BigMAC to relay
  1752. * control packets to the system as well
  1753. */
  1754. u32 wb_data[2];
  1755. struct bnx2x *bp = params->bp;
  1756. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1757. NIG_REG_INGRESS_BMAC0_MEM;
  1758. u32 val = 0x14;
  1759. if ((!(params->feature_config_flags &
  1760. FEATURE_CONFIG_PFC_ENABLED)) &&
  1761. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1762. /* Enable BigMAC to react on received Pause packets */
  1763. val |= (1<<5);
  1764. wb_data[0] = val;
  1765. wb_data[1] = 0;
  1766. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1767. udelay(30);
  1768. /* Tx control */
  1769. val = 0xc0;
  1770. if (!(params->feature_config_flags &
  1771. FEATURE_CONFIG_PFC_ENABLED) &&
  1772. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1773. val |= 0x800000;
  1774. wb_data[0] = val;
  1775. wb_data[1] = 0;
  1776. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1777. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1778. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1779. /* Enable PFC RX & TX & STATS and set 8 COS */
  1780. wb_data[0] = 0x0;
  1781. wb_data[0] |= (1<<0); /* RX */
  1782. wb_data[0] |= (1<<1); /* TX */
  1783. wb_data[0] |= (1<<2); /* Force initial Xon */
  1784. wb_data[0] |= (1<<3); /* 8 cos */
  1785. wb_data[0] |= (1<<5); /* STATS */
  1786. wb_data[1] = 0;
  1787. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1788. wb_data, 2);
  1789. /* Clear the force Xon */
  1790. wb_data[0] &= ~(1<<2);
  1791. } else {
  1792. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1793. /* Disable PFC RX & TX & STATS and set 8 COS */
  1794. wb_data[0] = 0x8;
  1795. wb_data[1] = 0;
  1796. }
  1797. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1798. /* Set Time (based unit is 512 bit time) between automatic
  1799. * re-sending of PP packets amd enable automatic re-send of
  1800. * Per-Priroity Packet as long as pp_gen is asserted and
  1801. * pp_disable is low.
  1802. */
  1803. val = 0x8000;
  1804. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1805. val |= (1<<16); /* enable automatic re-send */
  1806. wb_data[0] = val;
  1807. wb_data[1] = 0;
  1808. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1809. wb_data, 2);
  1810. /* mac control */
  1811. val = 0x3; /* Enable RX and TX */
  1812. if (is_lb) {
  1813. val |= 0x4; /* Local loopback */
  1814. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1815. }
  1816. /* When PFC enabled, Pass pause frames towards the NIG. */
  1817. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1818. val |= ((1<<6)|(1<<5));
  1819. wb_data[0] = val;
  1820. wb_data[1] = 0;
  1821. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1822. }
  1823. /******************************************************************************
  1824. * Description:
  1825. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1826. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1827. ******************************************************************************/
  1828. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1829. u8 cos_entry,
  1830. u32 priority_mask, u8 port)
  1831. {
  1832. u32 nig_reg_rx_priority_mask_add = 0;
  1833. switch (cos_entry) {
  1834. case 0:
  1835. nig_reg_rx_priority_mask_add = (port) ?
  1836. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1837. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1838. break;
  1839. case 1:
  1840. nig_reg_rx_priority_mask_add = (port) ?
  1841. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1842. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1843. break;
  1844. case 2:
  1845. nig_reg_rx_priority_mask_add = (port) ?
  1846. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1847. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1848. break;
  1849. case 3:
  1850. if (port)
  1851. return -EINVAL;
  1852. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1853. break;
  1854. case 4:
  1855. if (port)
  1856. return -EINVAL;
  1857. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1858. break;
  1859. case 5:
  1860. if (port)
  1861. return -EINVAL;
  1862. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1863. break;
  1864. }
  1865. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1866. return 0;
  1867. }
  1868. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1869. {
  1870. struct bnx2x *bp = params->bp;
  1871. REG_WR(bp, params->shmem_base +
  1872. offsetof(struct shmem_region,
  1873. port_mb[params->port].link_status), link_status);
  1874. }
  1875. static void bnx2x_update_link_attr(struct link_params *params, u32 link_attr)
  1876. {
  1877. struct bnx2x *bp = params->bp;
  1878. if (SHMEM2_HAS(bp, link_attr_sync))
  1879. REG_WR(bp, params->shmem2_base +
  1880. offsetof(struct shmem2_region,
  1881. link_attr_sync[params->port]), link_attr);
  1882. }
  1883. static void bnx2x_update_pfc_nig(struct link_params *params,
  1884. struct link_vars *vars,
  1885. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1886. {
  1887. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1888. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1889. u32 pkt_priority_to_cos = 0;
  1890. struct bnx2x *bp = params->bp;
  1891. u8 port = params->port;
  1892. int set_pfc = params->feature_config_flags &
  1893. FEATURE_CONFIG_PFC_ENABLED;
  1894. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1895. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1896. * MAC control frames (that are not pause packets)
  1897. * will be forwarded to the XCM.
  1898. */
  1899. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1900. NIG_REG_LLH0_XCM_MASK);
  1901. /* NIG params will override non PFC params, since it's possible to
  1902. * do transition from PFC to SAFC
  1903. */
  1904. if (set_pfc) {
  1905. pause_enable = 0;
  1906. llfc_out_en = 0;
  1907. llfc_enable = 0;
  1908. if (CHIP_IS_E3(bp))
  1909. ppp_enable = 0;
  1910. else
  1911. ppp_enable = 1;
  1912. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1913. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1914. xcm_out_en = 0;
  1915. hwpfc_enable = 1;
  1916. } else {
  1917. if (nig_params) {
  1918. llfc_out_en = nig_params->llfc_out_en;
  1919. llfc_enable = nig_params->llfc_enable;
  1920. pause_enable = nig_params->pause_enable;
  1921. } else /* Default non PFC mode - PAUSE */
  1922. pause_enable = 1;
  1923. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1924. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1925. xcm_out_en = 1;
  1926. }
  1927. if (CHIP_IS_E3(bp))
  1928. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1929. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1930. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1931. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1932. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1933. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1934. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1935. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1936. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1937. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1938. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1939. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1940. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1941. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1942. /* Output enable for RX_XCM # IF */
  1943. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1944. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1945. /* HW PFC TX enable */
  1946. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1947. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1948. if (nig_params) {
  1949. u8 i = 0;
  1950. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1951. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1952. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1953. nig_params->rx_cos_priority_mask[i], port);
  1954. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1955. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1956. nig_params->llfc_high_priority_classes);
  1957. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1958. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1959. nig_params->llfc_low_priority_classes);
  1960. }
  1961. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1962. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1963. pkt_priority_to_cos);
  1964. }
  1965. int bnx2x_update_pfc(struct link_params *params,
  1966. struct link_vars *vars,
  1967. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1968. {
  1969. /* The PFC and pause are orthogonal to one another, meaning when
  1970. * PFC is enabled, the pause are disabled, and when PFC is
  1971. * disabled, pause are set according to the pause result.
  1972. */
  1973. u32 val;
  1974. struct bnx2x *bp = params->bp;
  1975. int bnx2x_status = 0;
  1976. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1977. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1978. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1979. else
  1980. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1981. bnx2x_update_mng(params, vars->link_status);
  1982. /* Update NIG params */
  1983. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1984. if (!vars->link_up)
  1985. return bnx2x_status;
  1986. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1987. if (CHIP_IS_E3(bp)) {
  1988. if (vars->mac_type == MAC_TYPE_XMAC)
  1989. bnx2x_update_pfc_xmac(params, vars, 0);
  1990. } else {
  1991. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1992. if ((val &
  1993. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1994. == 0) {
  1995. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1996. bnx2x_emac_enable(params, vars, 0);
  1997. return bnx2x_status;
  1998. }
  1999. if (CHIP_IS_E2(bp))
  2000. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2001. else
  2002. bnx2x_update_pfc_bmac1(params, vars);
  2003. val = 0;
  2004. if ((params->feature_config_flags &
  2005. FEATURE_CONFIG_PFC_ENABLED) ||
  2006. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2007. val = 1;
  2008. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2009. }
  2010. return bnx2x_status;
  2011. }
  2012. static int bnx2x_bmac1_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. u32 val;
  2022. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2023. /* XGXS control */
  2024. wb_data[0] = 0x3c;
  2025. wb_data[1] = 0;
  2026. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2027. wb_data, 2);
  2028. /* TX MAC SA */
  2029. wb_data[0] = ((params->mac_addr[2] << 24) |
  2030. (params->mac_addr[3] << 16) |
  2031. (params->mac_addr[4] << 8) |
  2032. params->mac_addr[5]);
  2033. wb_data[1] = ((params->mac_addr[0] << 8) |
  2034. params->mac_addr[1]);
  2035. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2036. /* MAC control */
  2037. val = 0x3;
  2038. if (is_lb) {
  2039. val |= 0x4;
  2040. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2041. }
  2042. wb_data[0] = val;
  2043. wb_data[1] = 0;
  2044. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2045. /* Set rx mtu */
  2046. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2047. wb_data[1] = 0;
  2048. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2049. bnx2x_update_pfc_bmac1(params, vars);
  2050. /* Set tx mtu */
  2051. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2052. wb_data[1] = 0;
  2053. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2054. /* Set cnt max size */
  2055. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2056. wb_data[1] = 0;
  2057. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2058. /* Configure SAFC */
  2059. wb_data[0] = 0x1000200;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2062. wb_data, 2);
  2063. return 0;
  2064. }
  2065. static int bnx2x_bmac2_enable(struct link_params *params,
  2066. struct link_vars *vars,
  2067. u8 is_lb)
  2068. {
  2069. struct bnx2x *bp = params->bp;
  2070. u8 port = params->port;
  2071. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2072. NIG_REG_INGRESS_BMAC0_MEM;
  2073. u32 wb_data[2];
  2074. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2075. wb_data[0] = 0;
  2076. wb_data[1] = 0;
  2077. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2078. udelay(30);
  2079. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2080. wb_data[0] = 0x3c;
  2081. wb_data[1] = 0;
  2082. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2083. wb_data, 2);
  2084. udelay(30);
  2085. /* TX MAC SA */
  2086. wb_data[0] = ((params->mac_addr[2] << 24) |
  2087. (params->mac_addr[3] << 16) |
  2088. (params->mac_addr[4] << 8) |
  2089. params->mac_addr[5]);
  2090. wb_data[1] = ((params->mac_addr[0] << 8) |
  2091. params->mac_addr[1]);
  2092. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2093. wb_data, 2);
  2094. udelay(30);
  2095. /* Configure SAFC */
  2096. wb_data[0] = 0x1000200;
  2097. wb_data[1] = 0;
  2098. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2099. wb_data, 2);
  2100. udelay(30);
  2101. /* Set RX MTU */
  2102. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2103. wb_data[1] = 0;
  2104. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2105. udelay(30);
  2106. /* Set TX MTU */
  2107. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2108. wb_data[1] = 0;
  2109. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2110. udelay(30);
  2111. /* Set cnt max size */
  2112. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2113. wb_data[1] = 0;
  2114. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2115. udelay(30);
  2116. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2117. return 0;
  2118. }
  2119. static int bnx2x_bmac_enable(struct link_params *params,
  2120. struct link_vars *vars,
  2121. u8 is_lb, u8 reset_bmac)
  2122. {
  2123. int rc = 0;
  2124. u8 port = params->port;
  2125. struct bnx2x *bp = params->bp;
  2126. u32 val;
  2127. /* Reset and unreset the BigMac */
  2128. if (reset_bmac) {
  2129. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2130. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2131. usleep_range(1000, 2000);
  2132. }
  2133. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2134. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2135. /* Enable access for bmac registers */
  2136. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2137. /* Enable BMAC according to BMAC type*/
  2138. if (CHIP_IS_E2(bp))
  2139. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2140. else
  2141. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2142. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2143. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2144. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2145. val = 0;
  2146. if ((params->feature_config_flags &
  2147. FEATURE_CONFIG_PFC_ENABLED) ||
  2148. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2149. val = 1;
  2150. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2151. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2152. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2153. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2154. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2155. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2156. vars->mac_type = MAC_TYPE_BMAC;
  2157. return rc;
  2158. }
  2159. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2160. {
  2161. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2162. NIG_REG_INGRESS_BMAC0_MEM;
  2163. u32 wb_data[2];
  2164. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2165. if (CHIP_IS_E2(bp))
  2166. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2167. else
  2168. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2169. /* Only if the bmac is out of reset */
  2170. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2171. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2172. nig_bmac_enable) {
  2173. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2174. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2175. if (en)
  2176. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2177. else
  2178. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2179. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2180. usleep_range(1000, 2000);
  2181. }
  2182. }
  2183. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2184. u32 line_speed)
  2185. {
  2186. struct bnx2x *bp = params->bp;
  2187. u8 port = params->port;
  2188. u32 init_crd, crd;
  2189. u32 count = 1000;
  2190. /* Disable port */
  2191. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2192. /* Wait for init credit */
  2193. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2194. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2195. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2196. while ((init_crd != crd) && count) {
  2197. usleep_range(5000, 10000);
  2198. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2199. count--;
  2200. }
  2201. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2202. if (init_crd != crd) {
  2203. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2204. init_crd, crd);
  2205. return -EINVAL;
  2206. }
  2207. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2208. line_speed == SPEED_10 ||
  2209. line_speed == SPEED_100 ||
  2210. line_speed == SPEED_1000 ||
  2211. line_speed == SPEED_2500) {
  2212. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2213. /* Update threshold */
  2214. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2215. /* Update init credit */
  2216. init_crd = 778; /* (800-18-4) */
  2217. } else {
  2218. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2219. ETH_OVREHEAD)/16;
  2220. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2221. /* Update threshold */
  2222. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2223. /* Update init credit */
  2224. switch (line_speed) {
  2225. case SPEED_10000:
  2226. init_crd = thresh + 553 - 22;
  2227. break;
  2228. default:
  2229. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2230. line_speed);
  2231. return -EINVAL;
  2232. }
  2233. }
  2234. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2235. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2236. line_speed, init_crd);
  2237. /* Probe the credit changes */
  2238. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2239. usleep_range(5000, 10000);
  2240. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2241. /* Enable port */
  2242. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2243. return 0;
  2244. }
  2245. /**
  2246. * bnx2x_get_emac_base - retrive emac base address
  2247. *
  2248. * @bp: driver handle
  2249. * @mdc_mdio_access: access type
  2250. * @port: port id
  2251. *
  2252. * This function selects the MDC/MDIO access (through emac0 or
  2253. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2254. * phy has a default access mode, which could also be overridden
  2255. * by nvram configuration. This parameter, whether this is the
  2256. * default phy configuration, or the nvram overrun
  2257. * configuration, is passed here as mdc_mdio_access and selects
  2258. * the emac_base for the CL45 read/writes operations
  2259. */
  2260. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2261. u32 mdc_mdio_access, u8 port)
  2262. {
  2263. u32 emac_base = 0;
  2264. switch (mdc_mdio_access) {
  2265. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2266. break;
  2267. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2268. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2269. emac_base = GRCBASE_EMAC1;
  2270. else
  2271. emac_base = GRCBASE_EMAC0;
  2272. break;
  2273. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2274. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2275. emac_base = GRCBASE_EMAC0;
  2276. else
  2277. emac_base = GRCBASE_EMAC1;
  2278. break;
  2279. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2280. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2281. break;
  2282. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2283. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2284. break;
  2285. default:
  2286. break;
  2287. }
  2288. return emac_base;
  2289. }
  2290. /******************************************************************/
  2291. /* CL22 access functions */
  2292. /******************************************************************/
  2293. static int bnx2x_cl22_write(struct bnx2x *bp,
  2294. struct bnx2x_phy *phy,
  2295. u16 reg, u16 val)
  2296. {
  2297. u32 tmp, mode;
  2298. u8 i;
  2299. int rc = 0;
  2300. /* Switch to CL22 */
  2301. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2302. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2303. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2304. /* Address */
  2305. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2306. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2307. EMAC_MDIO_COMM_START_BUSY);
  2308. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2309. for (i = 0; i < 50; i++) {
  2310. udelay(10);
  2311. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2312. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2313. udelay(5);
  2314. break;
  2315. }
  2316. }
  2317. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2318. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2319. rc = -EFAULT;
  2320. }
  2321. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2322. return rc;
  2323. }
  2324. static int bnx2x_cl22_read(struct bnx2x *bp,
  2325. struct bnx2x_phy *phy,
  2326. u16 reg, u16 *ret_val)
  2327. {
  2328. u32 val, mode;
  2329. u16 i;
  2330. int rc = 0;
  2331. /* Switch to CL22 */
  2332. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2333. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2334. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2335. /* Address */
  2336. val = ((phy->addr << 21) | (reg << 16) |
  2337. EMAC_MDIO_COMM_COMMAND_READ_22 |
  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 + EMAC_REG_EMAC_MDIO_COMM);
  2343. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2344. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2345. udelay(5);
  2346. break;
  2347. }
  2348. }
  2349. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2350. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2351. *ret_val = 0;
  2352. rc = -EFAULT;
  2353. }
  2354. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2355. return rc;
  2356. }
  2357. /******************************************************************/
  2358. /* CL45 access functions */
  2359. /******************************************************************/
  2360. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2361. u8 devad, u16 reg, u16 *ret_val)
  2362. {
  2363. u32 val;
  2364. u16 i;
  2365. int rc = 0;
  2366. u32 chip_id;
  2367. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2368. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2369. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2370. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2371. }
  2372. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2373. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2374. EMAC_MDIO_STATUS_10MB);
  2375. /* Address */
  2376. val = ((phy->addr << 21) | (devad << 16) | reg |
  2377. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2378. EMAC_MDIO_COMM_START_BUSY);
  2379. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2380. for (i = 0; i < 50; i++) {
  2381. udelay(10);
  2382. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2383. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2384. udelay(5);
  2385. break;
  2386. }
  2387. }
  2388. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2389. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2390. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2391. *ret_val = 0;
  2392. rc = -EFAULT;
  2393. } else {
  2394. /* Data */
  2395. val = ((phy->addr << 21) | (devad << 16) |
  2396. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2397. EMAC_MDIO_COMM_START_BUSY);
  2398. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2399. for (i = 0; i < 50; i++) {
  2400. udelay(10);
  2401. val = REG_RD(bp, phy->mdio_ctrl +
  2402. EMAC_REG_EMAC_MDIO_COMM);
  2403. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2404. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2405. break;
  2406. }
  2407. }
  2408. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2409. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2410. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2411. *ret_val = 0;
  2412. rc = -EFAULT;
  2413. }
  2414. }
  2415. /* Work around for E3 A0 */
  2416. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2417. phy->flags ^= FLAGS_DUMMY_READ;
  2418. if (phy->flags & FLAGS_DUMMY_READ) {
  2419. u16 temp_val;
  2420. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2421. }
  2422. }
  2423. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2424. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2425. EMAC_MDIO_STATUS_10MB);
  2426. return rc;
  2427. }
  2428. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2429. u8 devad, u16 reg, u16 val)
  2430. {
  2431. u32 tmp;
  2432. u8 i;
  2433. int rc = 0;
  2434. u32 chip_id;
  2435. if (phy->flags & FLAGS_MDC_MDIO_WA_G) {
  2436. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  2437. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  2438. bnx2x_set_mdio_clk(bp, chip_id, phy->mdio_ctrl);
  2439. }
  2440. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2441. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2442. EMAC_MDIO_STATUS_10MB);
  2443. /* Address */
  2444. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2445. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2446. EMAC_MDIO_COMM_START_BUSY);
  2447. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2448. for (i = 0; i < 50; i++) {
  2449. udelay(10);
  2450. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2451. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2452. udelay(5);
  2453. break;
  2454. }
  2455. }
  2456. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2457. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2458. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2459. rc = -EFAULT;
  2460. } else {
  2461. /* Data */
  2462. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2463. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2464. EMAC_MDIO_COMM_START_BUSY);
  2465. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2466. for (i = 0; i < 50; i++) {
  2467. udelay(10);
  2468. tmp = REG_RD(bp, phy->mdio_ctrl +
  2469. EMAC_REG_EMAC_MDIO_COMM);
  2470. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2471. udelay(5);
  2472. break;
  2473. }
  2474. }
  2475. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2476. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2477. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2478. rc = -EFAULT;
  2479. }
  2480. }
  2481. /* Work around for E3 A0 */
  2482. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2483. phy->flags ^= FLAGS_DUMMY_READ;
  2484. if (phy->flags & FLAGS_DUMMY_READ) {
  2485. u16 temp_val;
  2486. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2487. }
  2488. }
  2489. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2490. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2491. EMAC_MDIO_STATUS_10MB);
  2492. return rc;
  2493. }
  2494. /******************************************************************/
  2495. /* EEE section */
  2496. /******************************************************************/
  2497. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2498. {
  2499. struct bnx2x *bp = params->bp;
  2500. if (REG_RD(bp, params->shmem2_base) <=
  2501. offsetof(struct shmem2_region, eee_status[params->port]))
  2502. return 0;
  2503. return 1;
  2504. }
  2505. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2506. {
  2507. switch (nvram_mode) {
  2508. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2509. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2510. break;
  2511. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2512. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2513. break;
  2514. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2515. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2516. break;
  2517. default:
  2518. *idle_timer = 0;
  2519. break;
  2520. }
  2521. return 0;
  2522. }
  2523. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2524. {
  2525. switch (idle_timer) {
  2526. case EEE_MODE_NVRAM_BALANCED_TIME:
  2527. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2528. break;
  2529. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2530. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2531. break;
  2532. case EEE_MODE_NVRAM_LATENCY_TIME:
  2533. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2534. break;
  2535. default:
  2536. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2537. break;
  2538. }
  2539. return 0;
  2540. }
  2541. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2542. {
  2543. u32 eee_mode, eee_idle;
  2544. struct bnx2x *bp = params->bp;
  2545. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2546. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2547. /* time value in eee_mode --> used directly*/
  2548. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2549. } else {
  2550. /* hsi value in eee_mode --> time */
  2551. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2552. EEE_MODE_NVRAM_MASK,
  2553. &eee_idle))
  2554. return 0;
  2555. }
  2556. } else {
  2557. /* hsi values in nvram --> time*/
  2558. eee_mode = ((REG_RD(bp, params->shmem_base +
  2559. offsetof(struct shmem_region, dev_info.
  2560. port_feature_config[params->port].
  2561. eee_power_mode)) &
  2562. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2563. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2564. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2565. return 0;
  2566. }
  2567. return eee_idle;
  2568. }
  2569. static int bnx2x_eee_set_timers(struct link_params *params,
  2570. struct link_vars *vars)
  2571. {
  2572. u32 eee_idle = 0, eee_mode;
  2573. struct bnx2x *bp = params->bp;
  2574. eee_idle = bnx2x_eee_calc_timer(params);
  2575. if (eee_idle) {
  2576. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2577. eee_idle);
  2578. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2579. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2580. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2581. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2582. return -EINVAL;
  2583. }
  2584. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2585. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2586. /* eee_idle in 1u --> eee_status in 16u */
  2587. eee_idle >>= 4;
  2588. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2589. SHMEM_EEE_TIME_OUTPUT_BIT;
  2590. } else {
  2591. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2592. return -EINVAL;
  2593. vars->eee_status |= eee_mode;
  2594. }
  2595. return 0;
  2596. }
  2597. static int bnx2x_eee_initial_config(struct link_params *params,
  2598. struct link_vars *vars, u8 mode)
  2599. {
  2600. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2601. /* Propogate params' bits --> vars (for migration exposure) */
  2602. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2603. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2604. else
  2605. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2606. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2607. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2608. else
  2609. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2610. return bnx2x_eee_set_timers(params, vars);
  2611. }
  2612. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2613. struct link_params *params,
  2614. struct link_vars *vars)
  2615. {
  2616. struct bnx2x *bp = params->bp;
  2617. /* Make Certain LPI is disabled */
  2618. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2619. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2620. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2621. return 0;
  2622. }
  2623. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2624. struct link_params *params,
  2625. struct link_vars *vars, u8 modes)
  2626. {
  2627. struct bnx2x *bp = params->bp;
  2628. u16 val = 0;
  2629. /* Mask events preventing LPI generation */
  2630. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2631. if (modes & SHMEM_EEE_10G_ADV) {
  2632. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2633. val |= 0x8;
  2634. }
  2635. if (modes & SHMEM_EEE_1G_ADV) {
  2636. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2637. val |= 0x4;
  2638. }
  2639. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2640. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2641. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2642. return 0;
  2643. }
  2644. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2645. {
  2646. struct bnx2x *bp = params->bp;
  2647. if (bnx2x_eee_has_cap(params))
  2648. REG_WR(bp, params->shmem2_base +
  2649. offsetof(struct shmem2_region,
  2650. eee_status[params->port]), eee_status);
  2651. }
  2652. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2653. struct link_params *params,
  2654. struct link_vars *vars)
  2655. {
  2656. struct bnx2x *bp = params->bp;
  2657. u16 adv = 0, lp = 0;
  2658. u32 lp_adv = 0;
  2659. u8 neg = 0;
  2660. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2661. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2662. if (lp & 0x2) {
  2663. lp_adv |= SHMEM_EEE_100M_ADV;
  2664. if (adv & 0x2) {
  2665. if (vars->line_speed == SPEED_100)
  2666. neg = 1;
  2667. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2668. }
  2669. }
  2670. if (lp & 0x14) {
  2671. lp_adv |= SHMEM_EEE_1G_ADV;
  2672. if (adv & 0x14) {
  2673. if (vars->line_speed == SPEED_1000)
  2674. neg = 1;
  2675. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2676. }
  2677. }
  2678. if (lp & 0x68) {
  2679. lp_adv |= SHMEM_EEE_10G_ADV;
  2680. if (adv & 0x68) {
  2681. if (vars->line_speed == SPEED_10000)
  2682. neg = 1;
  2683. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2684. }
  2685. }
  2686. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2687. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2688. if (neg) {
  2689. DP(NETIF_MSG_LINK, "EEE is active\n");
  2690. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2691. }
  2692. }
  2693. /******************************************************************/
  2694. /* BSC access functions from E3 */
  2695. /******************************************************************/
  2696. static void bnx2x_bsc_module_sel(struct link_params *params)
  2697. {
  2698. int idx;
  2699. u32 board_cfg, sfp_ctrl;
  2700. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2701. struct bnx2x *bp = params->bp;
  2702. u8 port = params->port;
  2703. /* Read I2C output PINs */
  2704. board_cfg = REG_RD(bp, params->shmem_base +
  2705. offsetof(struct shmem_region,
  2706. dev_info.shared_hw_config.board));
  2707. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2708. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2709. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2710. /* Read I2C output value */
  2711. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2712. offsetof(struct shmem_region,
  2713. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2714. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2715. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2716. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2717. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2718. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2719. }
  2720. static int bnx2x_bsc_read(struct link_params *params,
  2721. struct bnx2x_phy *phy,
  2722. u8 sl_devid,
  2723. u16 sl_addr,
  2724. u8 lc_addr,
  2725. u8 xfer_cnt,
  2726. u32 *data_array)
  2727. {
  2728. u32 val, i;
  2729. int rc = 0;
  2730. struct bnx2x *bp = params->bp;
  2731. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2732. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2733. return -EINVAL;
  2734. }
  2735. if (xfer_cnt > 16) {
  2736. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2737. xfer_cnt);
  2738. return -EINVAL;
  2739. }
  2740. bnx2x_bsc_module_sel(params);
  2741. xfer_cnt = 16 - lc_addr;
  2742. /* Enable the engine */
  2743. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2744. val |= MCPR_IMC_COMMAND_ENABLE;
  2745. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2746. /* Program slave device ID */
  2747. val = (sl_devid << 16) | sl_addr;
  2748. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2749. /* Start xfer with 0 byte to update the address pointer ???*/
  2750. val = (MCPR_IMC_COMMAND_ENABLE) |
  2751. (MCPR_IMC_COMMAND_WRITE_OP <<
  2752. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2753. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2754. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2755. /* Poll for completion */
  2756. i = 0;
  2757. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2758. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2759. udelay(10);
  2760. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2761. if (i++ > 1000) {
  2762. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2763. i);
  2764. rc = -EFAULT;
  2765. break;
  2766. }
  2767. }
  2768. if (rc == -EFAULT)
  2769. return rc;
  2770. /* Start xfer with read op */
  2771. val = (MCPR_IMC_COMMAND_ENABLE) |
  2772. (MCPR_IMC_COMMAND_READ_OP <<
  2773. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2774. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2775. (xfer_cnt);
  2776. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2777. /* Poll for completion */
  2778. i = 0;
  2779. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2780. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2781. udelay(10);
  2782. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2783. if (i++ > 1000) {
  2784. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2785. rc = -EFAULT;
  2786. break;
  2787. }
  2788. }
  2789. if (rc == -EFAULT)
  2790. return rc;
  2791. for (i = (lc_addr >> 2); i < 4; i++) {
  2792. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2793. #ifdef __BIG_ENDIAN
  2794. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2795. ((data_array[i] & 0x0000ff00) << 8) |
  2796. ((data_array[i] & 0x00ff0000) >> 8) |
  2797. ((data_array[i] & 0xff000000) >> 24);
  2798. #endif
  2799. }
  2800. return rc;
  2801. }
  2802. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2803. u8 devad, u16 reg, u16 or_val)
  2804. {
  2805. u16 val;
  2806. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2807. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2808. }
  2809. static void bnx2x_cl45_read_and_write(struct bnx2x *bp,
  2810. struct bnx2x_phy *phy,
  2811. u8 devad, u16 reg, u16 and_val)
  2812. {
  2813. u16 val;
  2814. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2815. bnx2x_cl45_write(bp, phy, devad, reg, val & and_val);
  2816. }
  2817. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2818. u8 devad, u16 reg, u16 *ret_val)
  2819. {
  2820. u8 phy_index;
  2821. /* Probe for the phy according to the given phy_addr, and execute
  2822. * the read request on it
  2823. */
  2824. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2825. if (params->phy[phy_index].addr == phy_addr) {
  2826. return bnx2x_cl45_read(params->bp,
  2827. &params->phy[phy_index], devad,
  2828. reg, ret_val);
  2829. }
  2830. }
  2831. return -EINVAL;
  2832. }
  2833. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2834. u8 devad, u16 reg, u16 val)
  2835. {
  2836. u8 phy_index;
  2837. /* Probe for the phy according to the given phy_addr, and execute
  2838. * the write request on it
  2839. */
  2840. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2841. if (params->phy[phy_index].addr == phy_addr) {
  2842. return bnx2x_cl45_write(params->bp,
  2843. &params->phy[phy_index], devad,
  2844. reg, val);
  2845. }
  2846. }
  2847. return -EINVAL;
  2848. }
  2849. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2850. struct link_params *params)
  2851. {
  2852. u8 lane = 0;
  2853. struct bnx2x *bp = params->bp;
  2854. u32 path_swap, path_swap_ovr;
  2855. u8 path, port;
  2856. path = BP_PATH(bp);
  2857. port = params->port;
  2858. if (bnx2x_is_4_port_mode(bp)) {
  2859. u32 port_swap, port_swap_ovr;
  2860. /* Figure out path swap value */
  2861. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2862. if (path_swap_ovr & 0x1)
  2863. path_swap = (path_swap_ovr & 0x2);
  2864. else
  2865. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2866. if (path_swap)
  2867. path = path ^ 1;
  2868. /* Figure out port swap value */
  2869. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2870. if (port_swap_ovr & 0x1)
  2871. port_swap = (port_swap_ovr & 0x2);
  2872. else
  2873. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2874. if (port_swap)
  2875. port = port ^ 1;
  2876. lane = (port<<1) + path;
  2877. } else { /* Two port mode - no port swap */
  2878. /* Figure out path swap value */
  2879. path_swap_ovr =
  2880. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2881. if (path_swap_ovr & 0x1) {
  2882. path_swap = (path_swap_ovr & 0x2);
  2883. } else {
  2884. path_swap =
  2885. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2886. }
  2887. if (path_swap)
  2888. path = path ^ 1;
  2889. lane = path << 1 ;
  2890. }
  2891. return lane;
  2892. }
  2893. static void bnx2x_set_aer_mmd(struct link_params *params,
  2894. struct bnx2x_phy *phy)
  2895. {
  2896. u32 ser_lane;
  2897. u16 offset, aer_val;
  2898. struct bnx2x *bp = params->bp;
  2899. ser_lane = ((params->lane_config &
  2900. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2901. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2902. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2903. (phy->addr + ser_lane) : 0;
  2904. if (USES_WARPCORE(bp)) {
  2905. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2906. /* In Dual-lane mode, two lanes are joined together,
  2907. * so in order to configure them, the AER broadcast method is
  2908. * used here.
  2909. * 0x200 is the broadcast address for lanes 0,1
  2910. * 0x201 is the broadcast address for lanes 2,3
  2911. */
  2912. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2913. aer_val = (aer_val >> 1) | 0x200;
  2914. } else if (CHIP_IS_E2(bp))
  2915. aer_val = 0x3800 + offset - 1;
  2916. else
  2917. aer_val = 0x3800 + offset;
  2918. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2919. MDIO_AER_BLOCK_AER_REG, aer_val);
  2920. }
  2921. /******************************************************************/
  2922. /* Internal phy section */
  2923. /******************************************************************/
  2924. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2925. {
  2926. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2927. /* Set Clause 22 */
  2928. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2929. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2930. udelay(500);
  2931. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2932. udelay(500);
  2933. /* Set Clause 45 */
  2934. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2935. }
  2936. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2937. {
  2938. u32 val;
  2939. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2940. val = SERDES_RESET_BITS << (port*16);
  2941. /* Reset and unreset the SerDes/XGXS */
  2942. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2943. udelay(500);
  2944. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2945. bnx2x_set_serdes_access(bp, port);
  2946. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2947. DEFAULT_PHY_DEV_ADDR);
  2948. }
  2949. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2950. struct link_params *params,
  2951. u32 action)
  2952. {
  2953. struct bnx2x *bp = params->bp;
  2954. switch (action) {
  2955. case PHY_INIT:
  2956. /* Set correct devad */
  2957. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2958. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2959. phy->def_md_devad);
  2960. break;
  2961. }
  2962. }
  2963. static void bnx2x_xgxs_deassert(struct link_params *params)
  2964. {
  2965. struct bnx2x *bp = params->bp;
  2966. u8 port;
  2967. u32 val;
  2968. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2969. port = params->port;
  2970. val = XGXS_RESET_BITS << (port*16);
  2971. /* Reset and unreset the SerDes/XGXS */
  2972. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2973. udelay(500);
  2974. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2975. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2976. PHY_INIT);
  2977. }
  2978. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2979. struct link_params *params, u16 *ieee_fc)
  2980. {
  2981. struct bnx2x *bp = params->bp;
  2982. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2983. /* Resolve pause mode and advertisement Please refer to Table
  2984. * 28B-3 of the 802.3ab-1999 spec
  2985. */
  2986. switch (phy->req_flow_ctrl) {
  2987. case BNX2X_FLOW_CTRL_AUTO:
  2988. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2989. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2990. else
  2991. *ieee_fc |=
  2992. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2993. break;
  2994. case BNX2X_FLOW_CTRL_TX:
  2995. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2996. break;
  2997. case BNX2X_FLOW_CTRL_RX:
  2998. case BNX2X_FLOW_CTRL_BOTH:
  2999. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3000. break;
  3001. case BNX2X_FLOW_CTRL_NONE:
  3002. default:
  3003. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3004. break;
  3005. }
  3006. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3007. }
  3008. static void set_phy_vars(struct link_params *params,
  3009. struct link_vars *vars)
  3010. {
  3011. struct bnx2x *bp = params->bp;
  3012. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3013. u8 phy_config_swapped = params->multi_phy_config &
  3014. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3015. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3016. phy_index++) {
  3017. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3018. actual_phy_idx = phy_index;
  3019. if (phy_config_swapped) {
  3020. if (phy_index == EXT_PHY1)
  3021. actual_phy_idx = EXT_PHY2;
  3022. else if (phy_index == EXT_PHY2)
  3023. actual_phy_idx = EXT_PHY1;
  3024. }
  3025. params->phy[actual_phy_idx].req_flow_ctrl =
  3026. params->req_flow_ctrl[link_cfg_idx];
  3027. params->phy[actual_phy_idx].req_line_speed =
  3028. params->req_line_speed[link_cfg_idx];
  3029. params->phy[actual_phy_idx].speed_cap_mask =
  3030. params->speed_cap_mask[link_cfg_idx];
  3031. params->phy[actual_phy_idx].req_duplex =
  3032. params->req_duplex[link_cfg_idx];
  3033. if (params->req_line_speed[link_cfg_idx] ==
  3034. SPEED_AUTO_NEG)
  3035. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3036. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3037. " speed_cap_mask %x\n",
  3038. params->phy[actual_phy_idx].req_flow_ctrl,
  3039. params->phy[actual_phy_idx].req_line_speed,
  3040. params->phy[actual_phy_idx].speed_cap_mask);
  3041. }
  3042. }
  3043. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3044. struct bnx2x_phy *phy,
  3045. struct link_vars *vars)
  3046. {
  3047. u16 val;
  3048. struct bnx2x *bp = params->bp;
  3049. /* Read modify write pause advertizing */
  3050. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3051. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3052. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3053. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3054. if ((vars->ieee_fc &
  3055. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3056. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3057. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3058. }
  3059. if ((vars->ieee_fc &
  3060. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3061. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3062. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3063. }
  3064. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3065. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3066. }
  3067. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3068. { /* LD LP */
  3069. switch (pause_result) { /* ASYM P ASYM P */
  3070. case 0xb: /* 1 0 1 1 */
  3071. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3072. break;
  3073. case 0xe: /* 1 1 1 0 */
  3074. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3075. break;
  3076. case 0x5: /* 0 1 0 1 */
  3077. case 0x7: /* 0 1 1 1 */
  3078. case 0xd: /* 1 1 0 1 */
  3079. case 0xf: /* 1 1 1 1 */
  3080. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3081. break;
  3082. default:
  3083. break;
  3084. }
  3085. if (pause_result & (1<<0))
  3086. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3087. if (pause_result & (1<<1))
  3088. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3089. }
  3090. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3091. struct link_params *params,
  3092. struct link_vars *vars)
  3093. {
  3094. u16 ld_pause; /* local */
  3095. u16 lp_pause; /* link partner */
  3096. u16 pause_result;
  3097. struct bnx2x *bp = params->bp;
  3098. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3099. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3100. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3101. } else if (CHIP_IS_E3(bp) &&
  3102. SINGLE_MEDIA_DIRECT(params)) {
  3103. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3104. u16 gp_status, gp_mask;
  3105. bnx2x_cl45_read(bp, phy,
  3106. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3107. &gp_status);
  3108. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3109. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3110. lane;
  3111. if ((gp_status & gp_mask) == gp_mask) {
  3112. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3113. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3114. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3115. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3116. } else {
  3117. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3118. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3119. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3120. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3121. ld_pause = ((ld_pause &
  3122. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3123. << 3);
  3124. lp_pause = ((lp_pause &
  3125. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3126. << 3);
  3127. }
  3128. } else {
  3129. bnx2x_cl45_read(bp, phy,
  3130. MDIO_AN_DEVAD,
  3131. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3132. bnx2x_cl45_read(bp, phy,
  3133. MDIO_AN_DEVAD,
  3134. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3135. }
  3136. pause_result = (ld_pause &
  3137. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3138. pause_result |= (lp_pause &
  3139. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3140. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3141. bnx2x_pause_resolve(vars, pause_result);
  3142. }
  3143. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3144. struct link_params *params,
  3145. struct link_vars *vars)
  3146. {
  3147. u8 ret = 0;
  3148. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3149. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3150. /* Update the advertised flow-controled of LD/LP in AN */
  3151. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3152. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3153. /* But set the flow-control result as the requested one */
  3154. vars->flow_ctrl = phy->req_flow_ctrl;
  3155. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3156. vars->flow_ctrl = params->req_fc_auto_adv;
  3157. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3158. ret = 1;
  3159. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3160. }
  3161. return ret;
  3162. }
  3163. /******************************************************************/
  3164. /* Warpcore section */
  3165. /******************************************************************/
  3166. /* The init_internal_warpcore should mirror the xgxs,
  3167. * i.e. reset the lane (if needed), set aer for the
  3168. * init configuration, and set/clear SGMII flag. Internal
  3169. * phy init is done purely in phy_init stage.
  3170. */
  3171. static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
  3172. struct link_params *params,
  3173. struct link_vars *vars)
  3174. {
  3175. struct bnx2x *bp = params->bp;
  3176. u16 i;
  3177. static struct bnx2x_reg_set reg_set[] = {
  3178. /* Step 1 - Program the TX/RX alignment markers */
  3179. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0xa157},
  3180. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xcbe2},
  3181. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0x7537},
  3182. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0xa157},
  3183. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xcbe2},
  3184. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0x7537},
  3185. /* Step 2 - Configure the NP registers */
  3186. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000a},
  3187. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6400},
  3188. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0620},
  3189. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0157},
  3190. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x6464},
  3191. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x3150},
  3192. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x3150},
  3193. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0157},
  3194. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0620}
  3195. };
  3196. DP(NETIF_MSG_LINK, "Enabling 20G-KR2\n");
  3197. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3198. MDIO_WC_REG_CL49_USERB0_CTRL, (3<<6));
  3199. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3200. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3201. reg_set[i].val);
  3202. /* Start KR2 work-around timer which handles BCM8073 link-parner */
  3203. vars->link_attr_sync |= LINK_ATTR_SYNC_KR2_ENABLE;
  3204. bnx2x_update_link_attr(params, vars->link_attr_sync);
  3205. }
  3206. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3207. struct link_params *params)
  3208. {
  3209. struct bnx2x *bp = params->bp;
  3210. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3211. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3212. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3213. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3214. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3215. }
  3216. static void bnx2x_warpcore_restart_AN_KR(struct bnx2x_phy *phy,
  3217. struct link_params *params)
  3218. {
  3219. /* Restart autoneg on the leading lane only */
  3220. struct bnx2x *bp = params->bp;
  3221. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3222. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3223. MDIO_AER_BLOCK_AER_REG, lane);
  3224. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3225. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3226. /* Restore AER */
  3227. bnx2x_set_aer_mmd(params, phy);
  3228. }
  3229. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3230. struct link_params *params,
  3231. struct link_vars *vars) {
  3232. u16 lane, i, cl72_ctrl, an_adv = 0;
  3233. u16 ucode_ver;
  3234. struct bnx2x *bp = params->bp;
  3235. static struct bnx2x_reg_set reg_set[] = {
  3236. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3237. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3238. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3239. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3240. /* Disable Autoneg: re-enable it after adv is done. */
  3241. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0},
  3242. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2},
  3243. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0},
  3244. };
  3245. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3246. /* Set to default registers that may be overriden by 10G force */
  3247. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3248. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3249. reg_set[i].val);
  3250. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3251. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3252. cl72_ctrl &= 0x08ff;
  3253. cl72_ctrl |= 0x3800;
  3254. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3255. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3256. /* Check adding advertisement for 1G KX */
  3257. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3258. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3259. (vars->line_speed == SPEED_1000)) {
  3260. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3261. an_adv |= (1<<5);
  3262. /* Enable CL37 1G Parallel Detect */
  3263. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3264. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3265. }
  3266. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3267. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3268. (vars->line_speed == SPEED_10000)) {
  3269. /* Check adding advertisement for 10G KR */
  3270. an_adv |= (1<<7);
  3271. /* Enable 10G Parallel Detect */
  3272. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3273. MDIO_AER_BLOCK_AER_REG, 0);
  3274. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3275. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3276. bnx2x_set_aer_mmd(params, phy);
  3277. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3278. }
  3279. /* Set Transmit PMD settings */
  3280. lane = bnx2x_get_warpcore_lane(phy, params);
  3281. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3282. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3283. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3284. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3285. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3286. /* Configure the next lane if dual mode */
  3287. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3288. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3289. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*(lane+1),
  3290. ((0x02 <<
  3291. MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3292. (0x06 <<
  3293. MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3294. (0x09 <<
  3295. MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3296. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3297. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3298. 0x03f0);
  3299. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3300. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3301. 0x03f0);
  3302. /* Advertised speeds */
  3303. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3304. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3305. /* Advertised and set FEC (Forward Error Correction) */
  3306. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3307. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3308. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3309. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3310. /* Enable CL37 BAM */
  3311. if (REG_RD(bp, params->shmem_base +
  3312. offsetof(struct shmem_region, dev_info.
  3313. port_hw_config[params->port].default_cfg)) &
  3314. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3315. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3316. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3317. 1);
  3318. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3319. }
  3320. /* Advertise pause */
  3321. bnx2x_ext_phy_set_pause(params, phy, vars);
  3322. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3323. */
  3324. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3325. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3326. if (ucode_ver < 0xd108) {
  3327. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3328. ucode_ver);
  3329. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3330. }
  3331. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3332. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3333. /* Over 1G - AN local device user page 1 */
  3334. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3335. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3336. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  3337. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)) ||
  3338. (phy->req_line_speed == SPEED_20000)) {
  3339. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3340. MDIO_AER_BLOCK_AER_REG, lane);
  3341. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3342. MDIO_WC_REG_RX1_PCI_CTRL + (0x10*lane),
  3343. (1<<11));
  3344. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3345. MDIO_WC_REG_XGXS_X2_CONTROL3, 0x7);
  3346. bnx2x_set_aer_mmd(params, phy);
  3347. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  3348. }
  3349. /* Enable Autoneg: only on the main lane */
  3350. bnx2x_warpcore_restart_AN_KR(phy, params);
  3351. }
  3352. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3353. struct link_params *params,
  3354. struct link_vars *vars)
  3355. {
  3356. struct bnx2x *bp = params->bp;
  3357. u16 val16, i, lane;
  3358. static struct bnx2x_reg_set reg_set[] = {
  3359. /* Disable Autoneg */
  3360. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3361. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3362. 0x3f00},
  3363. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3364. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3365. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3366. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3367. /* Leave cl72 training enable, needed for KR */
  3368. {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_KR_CONTROL, 0x2}
  3369. };
  3370. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3371. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3372. reg_set[i].val);
  3373. lane = bnx2x_get_warpcore_lane(phy, params);
  3374. /* Global registers */
  3375. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3376. MDIO_AER_BLOCK_AER_REG, 0);
  3377. /* Disable CL36 PCS Tx */
  3378. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3379. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3380. val16 &= ~(0x0011 << lane);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3383. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3385. val16 |= (0x0303 << (lane << 1));
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3388. /* Restore AER */
  3389. bnx2x_set_aer_mmd(params, phy);
  3390. /* Set speed via PMA/PMD register */
  3391. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3392. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3393. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3394. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3395. /* Enable encoded forced speed */
  3396. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3398. /* Turn TX scramble payload only the 64/66 scrambler */
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3401. /* Turn RX scramble payload only the 64/66 scrambler */
  3402. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3404. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3405. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3406. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3407. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3408. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3409. }
  3410. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3411. struct link_params *params,
  3412. u8 is_xfi)
  3413. {
  3414. struct bnx2x *bp = params->bp;
  3415. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3416. /* Hold rxSeqStart */
  3417. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3418. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3419. /* Hold tx_fifo_reset */
  3420. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3421. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3422. /* Disable CL73 AN */
  3423. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3424. /* Disable 100FX Enable and Auto-Detect */
  3425. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3426. MDIO_WC_REG_FX100_CTRL1, 0xFFFA);
  3427. /* Disable 100FX Idle detect */
  3428. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3430. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3431. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3432. MDIO_WC_REG_DIGITAL4_MISC3, 0xFF7F);
  3433. /* Turn off auto-detect & fiber mode */
  3434. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3435. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3436. 0xFFEE);
  3437. /* Set filter_force_link, disable_false_link and parallel_detect */
  3438. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3439. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3440. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3442. ((val | 0x0006) & 0xFFFE));
  3443. /* Set XFI / SFI */
  3444. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3445. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3446. misc1_val &= ~(0x1f);
  3447. if (is_xfi) {
  3448. misc1_val |= 0x5;
  3449. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3450. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3451. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3452. tx_driver_val =
  3453. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3454. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3455. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3456. } else {
  3457. misc1_val |= 0x9;
  3458. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3459. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3460. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3461. tx_driver_val =
  3462. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3463. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3464. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3465. }
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3468. /* Set Transmit PMD settings */
  3469. lane = bnx2x_get_warpcore_lane(phy, params);
  3470. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_TX_FIR_TAP,
  3472. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3473. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3474. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3475. tx_driver_val);
  3476. /* Enable fiber mode, enable and invert sig_det */
  3477. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3478. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3479. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3480. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3482. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3483. /* 10G XFI Full Duplex */
  3484. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3486. /* Release tx_fifo_reset */
  3487. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3489. 0xFFFE);
  3490. /* Release rxSeqStart */
  3491. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x7FFF);
  3493. }
  3494. static void bnx2x_warpcore_set_20G_force_KR2(struct bnx2x_phy *phy,
  3495. struct link_params *params)
  3496. {
  3497. u16 val;
  3498. struct bnx2x *bp = params->bp;
  3499. /* Set global registers, so set AER lane to 0 */
  3500. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3501. MDIO_AER_BLOCK_AER_REG, 0);
  3502. /* Disable sequencer */
  3503. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, ~(1<<13));
  3505. bnx2x_set_aer_mmd(params, phy);
  3506. bnx2x_cl45_read_and_write(bp, phy, MDIO_PMA_DEVAD,
  3507. MDIO_WC_REG_PMD_KR_CONTROL, ~(1<<1));
  3508. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3509. MDIO_AN_REG_CTRL, 0);
  3510. /* Turn off CL73 */
  3511. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3512. MDIO_WC_REG_CL73_USERB0_CTRL, &val);
  3513. val &= ~(1<<5);
  3514. val |= (1<<6);
  3515. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3516. MDIO_WC_REG_CL73_USERB0_CTRL, val);
  3517. /* Set 20G KR2 force speed */
  3518. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x1f);
  3520. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3521. MDIO_WC_REG_DIGITAL4_MISC3, (1<<7));
  3522. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3523. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &val);
  3524. val &= ~(3<<14);
  3525. val |= (1<<15);
  3526. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3527. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, val);
  3528. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3529. MDIO_WC_REG_CL72_USERB0_CL72_TX_FIR_TAP, 0x835A);
  3530. /* Enable sequencer (over lane 0) */
  3531. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3532. MDIO_AER_BLOCK_AER_REG, 0);
  3533. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3534. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL, (1<<13));
  3535. bnx2x_set_aer_mmd(params, phy);
  3536. }
  3537. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3538. struct bnx2x_phy *phy,
  3539. u16 lane)
  3540. {
  3541. /* Rx0 anaRxControl1G */
  3542. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3543. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3544. /* Rx2 anaRxControl1G */
  3545. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3546. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3547. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3548. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3549. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3550. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3551. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3552. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3553. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3554. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3555. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3556. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3557. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3558. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3559. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3560. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3561. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3562. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3563. /* Serdes Digital Misc1 */
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3566. /* Serdes Digital4 Misc3 */
  3567. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3568. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3569. /* Set Transmit PMD settings */
  3570. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3571. MDIO_WC_REG_TX_FIR_TAP,
  3572. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3573. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3574. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3575. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3576. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3577. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3578. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3579. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3580. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3581. }
  3582. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3583. struct link_params *params,
  3584. u8 fiber_mode,
  3585. u8 always_autoneg)
  3586. {
  3587. struct bnx2x *bp = params->bp;
  3588. u16 val16, digctrl_kx1, digctrl_kx2;
  3589. /* Clear XFI clock comp in non-10G single lane mode. */
  3590. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3591. MDIO_WC_REG_RX66_CONTROL, ~(3<<13));
  3592. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3593. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3594. /* SGMII Autoneg */
  3595. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3596. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3597. 0x1000);
  3598. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3599. } else {
  3600. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3601. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3602. val16 &= 0xcebf;
  3603. switch (phy->req_line_speed) {
  3604. case SPEED_10:
  3605. break;
  3606. case SPEED_100:
  3607. val16 |= 0x2000;
  3608. break;
  3609. case SPEED_1000:
  3610. val16 |= 0x0040;
  3611. break;
  3612. default:
  3613. DP(NETIF_MSG_LINK,
  3614. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3615. return;
  3616. }
  3617. if (phy->req_duplex == DUPLEX_FULL)
  3618. val16 |= 0x0100;
  3619. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3620. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3621. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3622. phy->req_line_speed);
  3623. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3624. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3625. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3626. }
  3627. /* SGMII Slave mode and disable signal detect */
  3628. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3629. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3630. if (fiber_mode)
  3631. digctrl_kx1 = 1;
  3632. else
  3633. digctrl_kx1 &= 0xff4a;
  3634. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3635. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3636. digctrl_kx1);
  3637. /* Turn off parallel detect */
  3638. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3640. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3642. (digctrl_kx2 & ~(1<<2)));
  3643. /* Re-enable parallel detect */
  3644. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3645. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3646. (digctrl_kx2 | (1<<2)));
  3647. /* Enable autodet */
  3648. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3649. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3650. (digctrl_kx1 | 0x10));
  3651. }
  3652. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3653. struct bnx2x_phy *phy,
  3654. u8 reset)
  3655. {
  3656. u16 val;
  3657. /* Take lane out of reset after configuration is finished */
  3658. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3659. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3660. if (reset)
  3661. val |= 0xC000;
  3662. else
  3663. val &= 0x3FFF;
  3664. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3665. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3666. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3667. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3668. }
  3669. /* Clear SFI/XFI link settings registers */
  3670. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3671. struct link_params *params,
  3672. u16 lane)
  3673. {
  3674. struct bnx2x *bp = params->bp;
  3675. u16 i;
  3676. static struct bnx2x_reg_set wc_regs[] = {
  3677. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3678. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3679. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3680. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3681. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3682. 0x0195},
  3683. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3684. 0x0007},
  3685. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3686. 0x0002},
  3687. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3688. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3689. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3690. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3691. };
  3692. /* Set XFI clock comp as default. */
  3693. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3694. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3695. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3696. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3697. wc_regs[i].val);
  3698. lane = bnx2x_get_warpcore_lane(phy, params);
  3699. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3700. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3701. }
  3702. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3703. u32 chip_id,
  3704. u32 shmem_base, u8 port,
  3705. u8 *gpio_num, u8 *gpio_port)
  3706. {
  3707. u32 cfg_pin;
  3708. *gpio_num = 0;
  3709. *gpio_port = 0;
  3710. if (CHIP_IS_E3(bp)) {
  3711. cfg_pin = (REG_RD(bp, shmem_base +
  3712. offsetof(struct shmem_region,
  3713. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3714. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3715. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3716. /* Should not happen. This function called upon interrupt
  3717. * triggered by GPIO ( since EPIO can only generate interrupts
  3718. * to MCP).
  3719. * So if this function was called and none of the GPIOs was set,
  3720. * it means the shit hit the fan.
  3721. */
  3722. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3723. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3724. DP(NETIF_MSG_LINK,
  3725. "No cfg pin %x for module detect indication\n",
  3726. cfg_pin);
  3727. return -EINVAL;
  3728. }
  3729. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3730. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3731. } else {
  3732. *gpio_num = MISC_REGISTERS_GPIO_3;
  3733. *gpio_port = port;
  3734. }
  3735. return 0;
  3736. }
  3737. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3738. struct link_params *params)
  3739. {
  3740. struct bnx2x *bp = params->bp;
  3741. u8 gpio_num, gpio_port;
  3742. u32 gpio_val;
  3743. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3744. params->shmem_base, params->port,
  3745. &gpio_num, &gpio_port) != 0)
  3746. return 0;
  3747. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3748. /* Call the handling function in case module is detected */
  3749. if (gpio_val == 0)
  3750. return 1;
  3751. else
  3752. return 0;
  3753. }
  3754. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3755. struct link_params *params)
  3756. {
  3757. u16 gp2_status_reg0, lane;
  3758. struct bnx2x *bp = params->bp;
  3759. lane = bnx2x_get_warpcore_lane(phy, params);
  3760. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3761. &gp2_status_reg0);
  3762. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3763. }
  3764. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3765. struct link_params *params,
  3766. struct link_vars *vars)
  3767. {
  3768. struct bnx2x *bp = params->bp;
  3769. u32 serdes_net_if;
  3770. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3771. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3772. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3773. if (!vars->turn_to_run_wc_rt)
  3774. return;
  3775. /* Return if there is no link partner */
  3776. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3777. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3778. return;
  3779. }
  3780. if (vars->rx_tx_asic_rst) {
  3781. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3782. offsetof(struct shmem_region, dev_info.
  3783. port_hw_config[params->port].default_cfg)) &
  3784. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3785. switch (serdes_net_if) {
  3786. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3787. /* Do we get link yet? */
  3788. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3789. &gp_status1);
  3790. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3791. /*10G KR*/
  3792. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3793. DP(NETIF_MSG_LINK,
  3794. "gp_status1 0x%x\n", gp_status1);
  3795. if (lnkup_kr || lnkup) {
  3796. vars->rx_tx_asic_rst = 0;
  3797. DP(NETIF_MSG_LINK,
  3798. "link up, rx_tx_asic_rst 0x%x\n",
  3799. vars->rx_tx_asic_rst);
  3800. } else {
  3801. /* Reset the lane to see if link comes up.*/
  3802. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3803. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3804. /* Restart Autoneg */
  3805. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3806. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3807. vars->rx_tx_asic_rst--;
  3808. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3809. vars->rx_tx_asic_rst);
  3810. }
  3811. break;
  3812. default:
  3813. break;
  3814. }
  3815. } /*params->rx_tx_asic_rst*/
  3816. }
  3817. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3818. struct link_params *params)
  3819. {
  3820. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3821. struct bnx2x *bp = params->bp;
  3822. bnx2x_warpcore_clear_regs(phy, params, lane);
  3823. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3824. SPEED_10000) &&
  3825. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3826. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3827. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3828. } else {
  3829. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3830. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3831. }
  3832. }
  3833. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3834. struct bnx2x_phy *phy,
  3835. u8 tx_en)
  3836. {
  3837. struct bnx2x *bp = params->bp;
  3838. u32 cfg_pin;
  3839. u8 port = params->port;
  3840. cfg_pin = REG_RD(bp, params->shmem_base +
  3841. offsetof(struct shmem_region,
  3842. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3843. PORT_HW_CFG_E3_TX_LASER_MASK;
  3844. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3845. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3846. /* For 20G, the expected pin to be used is 3 pins after the current */
  3847. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3848. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3849. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3850. }
  3851. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3852. struct link_params *params,
  3853. struct link_vars *vars)
  3854. {
  3855. struct bnx2x *bp = params->bp;
  3856. u32 serdes_net_if;
  3857. u8 fiber_mode;
  3858. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3859. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3860. offsetof(struct shmem_region, dev_info.
  3861. port_hw_config[params->port].default_cfg)) &
  3862. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3863. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3864. "serdes_net_if = 0x%x\n",
  3865. vars->line_speed, serdes_net_if);
  3866. bnx2x_set_aer_mmd(params, phy);
  3867. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3868. vars->phy_flags |= PHY_XGXS_FLAG;
  3869. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3870. (phy->req_line_speed &&
  3871. ((phy->req_line_speed == SPEED_100) ||
  3872. (phy->req_line_speed == SPEED_10)))) {
  3873. vars->phy_flags |= PHY_SGMII_FLAG;
  3874. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3875. bnx2x_warpcore_clear_regs(phy, params, lane);
  3876. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3877. } else {
  3878. switch (serdes_net_if) {
  3879. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3880. /* Enable KR Auto Neg */
  3881. if (params->loopback_mode != LOOPBACK_EXT)
  3882. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3883. else {
  3884. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3885. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3886. }
  3887. break;
  3888. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3889. bnx2x_warpcore_clear_regs(phy, params, lane);
  3890. if (vars->line_speed == SPEED_10000) {
  3891. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3892. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3893. } else {
  3894. if (SINGLE_MEDIA_DIRECT(params)) {
  3895. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3896. fiber_mode = 1;
  3897. } else {
  3898. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3899. fiber_mode = 0;
  3900. }
  3901. bnx2x_warpcore_set_sgmii_speed(phy,
  3902. params,
  3903. fiber_mode,
  3904. 0);
  3905. }
  3906. break;
  3907. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3908. /* Issue Module detection if module is plugged, or
  3909. * enabled transmitter to avoid current leakage in case
  3910. * no module is connected
  3911. */
  3912. if (bnx2x_is_sfp_module_plugged(phy, params))
  3913. bnx2x_sfp_module_detection(phy, params);
  3914. else
  3915. bnx2x_sfp_e3_set_transmitter(params, phy, 1);
  3916. bnx2x_warpcore_config_sfi(phy, params);
  3917. break;
  3918. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3919. if (vars->line_speed != SPEED_20000) {
  3920. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3921. return;
  3922. }
  3923. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3924. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3925. /* Issue Module detection */
  3926. bnx2x_sfp_module_detection(phy, params);
  3927. break;
  3928. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3929. if (!params->loopback_mode) {
  3930. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3931. } else {
  3932. DP(NETIF_MSG_LINK, "Setting KR 20G-Force\n");
  3933. bnx2x_warpcore_set_20G_force_KR2(phy, params);
  3934. }
  3935. break;
  3936. default:
  3937. DP(NETIF_MSG_LINK,
  3938. "Unsupported Serdes Net Interface 0x%x\n",
  3939. serdes_net_if);
  3940. return;
  3941. }
  3942. }
  3943. /* Take lane out of reset after configuration is finished */
  3944. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3945. DP(NETIF_MSG_LINK, "Exit config init\n");
  3946. }
  3947. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3948. struct link_params *params)
  3949. {
  3950. struct bnx2x *bp = params->bp;
  3951. u16 val16, lane;
  3952. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3953. bnx2x_set_mdio_emac_per_phy(bp, params);
  3954. bnx2x_set_aer_mmd(params, phy);
  3955. /* Global register */
  3956. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3957. /* Clear loopback settings (if any) */
  3958. /* 10G & 20G */
  3959. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3960. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0xBFFF);
  3961. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3962. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0xfffe);
  3963. /* Update those 1-copy registers */
  3964. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3965. MDIO_AER_BLOCK_AER_REG, 0);
  3966. /* Enable 1G MDIO (1-copy) */
  3967. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3968. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3969. ~0x10);
  3970. bnx2x_cl45_read_and_write(bp, phy, MDIO_WC_DEVAD,
  3971. MDIO_WC_REG_XGXSBLK1_LANECTRL2, 0xff00);
  3972. lane = bnx2x_get_warpcore_lane(phy, params);
  3973. /* Disable CL36 PCS Tx */
  3974. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3975. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3976. val16 |= (0x11 << lane);
  3977. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3978. val16 |= (0x22 << lane);
  3979. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3980. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3981. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3982. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3983. val16 &= ~(0x0303 << (lane << 1));
  3984. val16 |= (0x0101 << (lane << 1));
  3985. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3986. val16 &= ~(0x0c0c << (lane << 1));
  3987. val16 |= (0x0404 << (lane << 1));
  3988. }
  3989. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3990. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3991. /* Restore AER */
  3992. bnx2x_set_aer_mmd(params, phy);
  3993. }
  3994. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3995. struct link_params *params)
  3996. {
  3997. struct bnx2x *bp = params->bp;
  3998. u16 val16;
  3999. u32 lane;
  4000. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  4001. params->loopback_mode, phy->req_line_speed);
  4002. if (phy->req_line_speed < SPEED_10000 ||
  4003. phy->supported & SUPPORTED_20000baseKR2_Full) {
  4004. /* 10/100/1000/20G-KR2 */
  4005. /* Update those 1-copy registers */
  4006. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  4007. MDIO_AER_BLOCK_AER_REG, 0);
  4008. /* Enable 1G MDIO (1-copy) */
  4009. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4010. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  4011. 0x10);
  4012. /* Set 1G loopback based on lane (1-copy) */
  4013. lane = bnx2x_get_warpcore_lane(phy, params);
  4014. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4015. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  4016. val16 |= (1<<lane);
  4017. if (phy->flags & FLAGS_WC_DUAL_MODE)
  4018. val16 |= (2<<lane);
  4019. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  4020. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  4021. val16);
  4022. /* Switch back to 4-copy registers */
  4023. bnx2x_set_aer_mmd(params, phy);
  4024. } else {
  4025. /* 10G / 20G-DXGXS */
  4026. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4027. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  4028. 0x4000);
  4029. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  4030. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  4031. }
  4032. }
  4033. static void bnx2x_sync_link(struct link_params *params,
  4034. struct link_vars *vars)
  4035. {
  4036. struct bnx2x *bp = params->bp;
  4037. u8 link_10g_plus;
  4038. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4039. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  4040. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  4041. if (vars->link_up) {
  4042. DP(NETIF_MSG_LINK, "phy link up\n");
  4043. vars->phy_link_up = 1;
  4044. vars->duplex = DUPLEX_FULL;
  4045. switch (vars->link_status &
  4046. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  4047. case LINK_10THD:
  4048. vars->duplex = DUPLEX_HALF;
  4049. /* Fall thru */
  4050. case LINK_10TFD:
  4051. vars->line_speed = SPEED_10;
  4052. break;
  4053. case LINK_100TXHD:
  4054. vars->duplex = DUPLEX_HALF;
  4055. /* Fall thru */
  4056. case LINK_100T4:
  4057. case LINK_100TXFD:
  4058. vars->line_speed = SPEED_100;
  4059. break;
  4060. case LINK_1000THD:
  4061. vars->duplex = DUPLEX_HALF;
  4062. /* Fall thru */
  4063. case LINK_1000TFD:
  4064. vars->line_speed = SPEED_1000;
  4065. break;
  4066. case LINK_2500THD:
  4067. vars->duplex = DUPLEX_HALF;
  4068. /* Fall thru */
  4069. case LINK_2500TFD:
  4070. vars->line_speed = SPEED_2500;
  4071. break;
  4072. case LINK_10GTFD:
  4073. vars->line_speed = SPEED_10000;
  4074. break;
  4075. case LINK_20GTFD:
  4076. vars->line_speed = SPEED_20000;
  4077. break;
  4078. default:
  4079. break;
  4080. }
  4081. vars->flow_ctrl = 0;
  4082. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4083. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4084. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4085. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4086. if (!vars->flow_ctrl)
  4087. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4088. if (vars->line_speed &&
  4089. ((vars->line_speed == SPEED_10) ||
  4090. (vars->line_speed == SPEED_100))) {
  4091. vars->phy_flags |= PHY_SGMII_FLAG;
  4092. } else {
  4093. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4094. }
  4095. if (vars->line_speed &&
  4096. USES_WARPCORE(bp) &&
  4097. (vars->line_speed == SPEED_1000))
  4098. vars->phy_flags |= PHY_SGMII_FLAG;
  4099. /* Anything 10 and over uses the bmac */
  4100. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4101. if (link_10g_plus) {
  4102. if (USES_WARPCORE(bp))
  4103. vars->mac_type = MAC_TYPE_XMAC;
  4104. else
  4105. vars->mac_type = MAC_TYPE_BMAC;
  4106. } else {
  4107. if (USES_WARPCORE(bp))
  4108. vars->mac_type = MAC_TYPE_UMAC;
  4109. else
  4110. vars->mac_type = MAC_TYPE_EMAC;
  4111. }
  4112. } else { /* Link down */
  4113. DP(NETIF_MSG_LINK, "phy link down\n");
  4114. vars->phy_link_up = 0;
  4115. vars->line_speed = 0;
  4116. vars->duplex = DUPLEX_FULL;
  4117. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4118. /* Indicate no mac active */
  4119. vars->mac_type = MAC_TYPE_NONE;
  4120. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4121. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4122. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  4123. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  4124. }
  4125. }
  4126. void bnx2x_link_status_update(struct link_params *params,
  4127. struct link_vars *vars)
  4128. {
  4129. struct bnx2x *bp = params->bp;
  4130. u8 port = params->port;
  4131. u32 sync_offset, media_types;
  4132. /* Update PHY configuration */
  4133. set_phy_vars(params, vars);
  4134. vars->link_status = REG_RD(bp, params->shmem_base +
  4135. offsetof(struct shmem_region,
  4136. port_mb[port].link_status));
  4137. if (bnx2x_eee_has_cap(params))
  4138. vars->eee_status = REG_RD(bp, params->shmem2_base +
  4139. offsetof(struct shmem2_region,
  4140. eee_status[params->port]));
  4141. vars->phy_flags = PHY_XGXS_FLAG;
  4142. bnx2x_sync_link(params, vars);
  4143. /* Sync media type */
  4144. sync_offset = params->shmem_base +
  4145. offsetof(struct shmem_region,
  4146. dev_info.port_hw_config[port].media_type);
  4147. media_types = REG_RD(bp, sync_offset);
  4148. params->phy[INT_PHY].media_type =
  4149. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4150. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4151. params->phy[EXT_PHY1].media_type =
  4152. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4153. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4154. params->phy[EXT_PHY2].media_type =
  4155. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4156. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4157. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4158. /* Sync AEU offset */
  4159. sync_offset = params->shmem_base +
  4160. offsetof(struct shmem_region,
  4161. dev_info.port_hw_config[port].aeu_int_mask);
  4162. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4163. /* Sync PFC status */
  4164. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4165. params->feature_config_flags |=
  4166. FEATURE_CONFIG_PFC_ENABLED;
  4167. else
  4168. params->feature_config_flags &=
  4169. ~FEATURE_CONFIG_PFC_ENABLED;
  4170. if (SHMEM2_HAS(bp, link_attr_sync))
  4171. vars->link_attr_sync = SHMEM2_RD(bp,
  4172. link_attr_sync[params->port]);
  4173. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4174. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4175. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4176. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4177. }
  4178. static void bnx2x_set_master_ln(struct link_params *params,
  4179. struct bnx2x_phy *phy)
  4180. {
  4181. struct bnx2x *bp = params->bp;
  4182. u16 new_master_ln, ser_lane;
  4183. ser_lane = ((params->lane_config &
  4184. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4185. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4186. /* Set the master_ln for AN */
  4187. CL22_RD_OVER_CL45(bp, phy,
  4188. MDIO_REG_BANK_XGXS_BLOCK2,
  4189. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4190. &new_master_ln);
  4191. CL22_WR_OVER_CL45(bp, phy,
  4192. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4193. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4194. (new_master_ln | ser_lane));
  4195. }
  4196. static int bnx2x_reset_unicore(struct link_params *params,
  4197. struct bnx2x_phy *phy,
  4198. u8 set_serdes)
  4199. {
  4200. struct bnx2x *bp = params->bp;
  4201. u16 mii_control;
  4202. u16 i;
  4203. CL22_RD_OVER_CL45(bp, phy,
  4204. MDIO_REG_BANK_COMBO_IEEE0,
  4205. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4206. /* Reset the unicore */
  4207. CL22_WR_OVER_CL45(bp, phy,
  4208. MDIO_REG_BANK_COMBO_IEEE0,
  4209. MDIO_COMBO_IEEE0_MII_CONTROL,
  4210. (mii_control |
  4211. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4212. if (set_serdes)
  4213. bnx2x_set_serdes_access(bp, params->port);
  4214. /* Wait for the reset to self clear */
  4215. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4216. udelay(5);
  4217. /* The reset erased the previous bank value */
  4218. CL22_RD_OVER_CL45(bp, phy,
  4219. MDIO_REG_BANK_COMBO_IEEE0,
  4220. MDIO_COMBO_IEEE0_MII_CONTROL,
  4221. &mii_control);
  4222. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4223. udelay(5);
  4224. return 0;
  4225. }
  4226. }
  4227. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4228. " Port %d\n",
  4229. params->port);
  4230. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4231. return -EINVAL;
  4232. }
  4233. static void bnx2x_set_swap_lanes(struct link_params *params,
  4234. struct bnx2x_phy *phy)
  4235. {
  4236. struct bnx2x *bp = params->bp;
  4237. /* Each two bits represents a lane number:
  4238. * No swap is 0123 => 0x1b no need to enable the swap
  4239. */
  4240. u16 rx_lane_swap, tx_lane_swap;
  4241. rx_lane_swap = ((params->lane_config &
  4242. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4243. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4244. tx_lane_swap = ((params->lane_config &
  4245. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4246. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4247. if (rx_lane_swap != 0x1b) {
  4248. CL22_WR_OVER_CL45(bp, phy,
  4249. MDIO_REG_BANK_XGXS_BLOCK2,
  4250. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4251. (rx_lane_swap |
  4252. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4253. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4254. } else {
  4255. CL22_WR_OVER_CL45(bp, phy,
  4256. MDIO_REG_BANK_XGXS_BLOCK2,
  4257. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4258. }
  4259. if (tx_lane_swap != 0x1b) {
  4260. CL22_WR_OVER_CL45(bp, phy,
  4261. MDIO_REG_BANK_XGXS_BLOCK2,
  4262. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4263. (tx_lane_swap |
  4264. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4265. } else {
  4266. CL22_WR_OVER_CL45(bp, phy,
  4267. MDIO_REG_BANK_XGXS_BLOCK2,
  4268. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4269. }
  4270. }
  4271. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4272. struct link_params *params)
  4273. {
  4274. struct bnx2x *bp = params->bp;
  4275. u16 control2;
  4276. CL22_RD_OVER_CL45(bp, phy,
  4277. MDIO_REG_BANK_SERDES_DIGITAL,
  4278. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4279. &control2);
  4280. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4281. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4282. else
  4283. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4284. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4285. phy->speed_cap_mask, control2);
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_SERDES_DIGITAL,
  4288. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4289. control2);
  4290. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4291. (phy->speed_cap_mask &
  4292. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4293. DP(NETIF_MSG_LINK, "XGXS\n");
  4294. CL22_WR_OVER_CL45(bp, phy,
  4295. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4296. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4297. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4298. CL22_RD_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4300. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4301. &control2);
  4302. control2 |=
  4303. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4304. CL22_WR_OVER_CL45(bp, phy,
  4305. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4306. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4307. control2);
  4308. /* Disable parallel detection of HiG */
  4309. CL22_WR_OVER_CL45(bp, phy,
  4310. MDIO_REG_BANK_XGXS_BLOCK2,
  4311. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4312. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4313. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4314. }
  4315. }
  4316. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4317. struct link_params *params,
  4318. struct link_vars *vars,
  4319. u8 enable_cl73)
  4320. {
  4321. struct bnx2x *bp = params->bp;
  4322. u16 reg_val;
  4323. /* CL37 Autoneg */
  4324. CL22_RD_OVER_CL45(bp, phy,
  4325. MDIO_REG_BANK_COMBO_IEEE0,
  4326. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4327. /* CL37 Autoneg Enabled */
  4328. if (vars->line_speed == SPEED_AUTO_NEG)
  4329. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4330. else /* CL37 Autoneg Disabled */
  4331. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4332. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4333. CL22_WR_OVER_CL45(bp, phy,
  4334. MDIO_REG_BANK_COMBO_IEEE0,
  4335. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4336. /* Enable/Disable Autodetection */
  4337. CL22_RD_OVER_CL45(bp, phy,
  4338. MDIO_REG_BANK_SERDES_DIGITAL,
  4339. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4340. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4341. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4342. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4343. if (vars->line_speed == SPEED_AUTO_NEG)
  4344. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4345. else
  4346. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4347. CL22_WR_OVER_CL45(bp, phy,
  4348. MDIO_REG_BANK_SERDES_DIGITAL,
  4349. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4350. /* Enable TetonII and BAM autoneg */
  4351. CL22_RD_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4353. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4354. &reg_val);
  4355. if (vars->line_speed == SPEED_AUTO_NEG) {
  4356. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4357. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4358. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4359. } else {
  4360. /* TetonII and BAM Autoneg Disabled */
  4361. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4362. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4363. }
  4364. CL22_WR_OVER_CL45(bp, phy,
  4365. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4366. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4367. reg_val);
  4368. if (enable_cl73) {
  4369. /* Enable Cl73 FSM status bits */
  4370. CL22_WR_OVER_CL45(bp, phy,
  4371. MDIO_REG_BANK_CL73_USERB0,
  4372. MDIO_CL73_USERB0_CL73_UCTRL,
  4373. 0xe);
  4374. /* Enable BAM Station Manager*/
  4375. CL22_WR_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_CL73_USERB0,
  4377. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4378. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4379. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4380. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4381. /* Advertise CL73 link speeds */
  4382. CL22_RD_OVER_CL45(bp, phy,
  4383. MDIO_REG_BANK_CL73_IEEEB1,
  4384. MDIO_CL73_IEEEB1_AN_ADV2,
  4385. &reg_val);
  4386. if (phy->speed_cap_mask &
  4387. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4388. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4389. if (phy->speed_cap_mask &
  4390. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4391. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4392. CL22_WR_OVER_CL45(bp, phy,
  4393. MDIO_REG_BANK_CL73_IEEEB1,
  4394. MDIO_CL73_IEEEB1_AN_ADV2,
  4395. reg_val);
  4396. /* CL73 Autoneg Enabled */
  4397. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4398. } else /* CL73 Autoneg Disabled */
  4399. reg_val = 0;
  4400. CL22_WR_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_CL73_IEEEB0,
  4402. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4403. }
  4404. /* Program SerDes, forced speed */
  4405. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4406. struct link_params *params,
  4407. struct link_vars *vars)
  4408. {
  4409. struct bnx2x *bp = params->bp;
  4410. u16 reg_val;
  4411. /* Program duplex, disable autoneg and sgmii*/
  4412. CL22_RD_OVER_CL45(bp, phy,
  4413. MDIO_REG_BANK_COMBO_IEEE0,
  4414. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4415. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4416. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4417. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4418. if (phy->req_duplex == DUPLEX_FULL)
  4419. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4420. CL22_WR_OVER_CL45(bp, phy,
  4421. MDIO_REG_BANK_COMBO_IEEE0,
  4422. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4423. /* Program speed
  4424. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4425. */
  4426. CL22_RD_OVER_CL45(bp, phy,
  4427. MDIO_REG_BANK_SERDES_DIGITAL,
  4428. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4429. /* Clearing the speed value before setting the right speed */
  4430. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4431. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4432. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4433. if (!((vars->line_speed == SPEED_1000) ||
  4434. (vars->line_speed == SPEED_100) ||
  4435. (vars->line_speed == SPEED_10))) {
  4436. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4437. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4438. if (vars->line_speed == SPEED_10000)
  4439. reg_val |=
  4440. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4441. }
  4442. CL22_WR_OVER_CL45(bp, phy,
  4443. MDIO_REG_BANK_SERDES_DIGITAL,
  4444. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4445. }
  4446. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4447. struct link_params *params)
  4448. {
  4449. struct bnx2x *bp = params->bp;
  4450. u16 val = 0;
  4451. /* Set extended capabilities */
  4452. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4453. val |= MDIO_OVER_1G_UP1_2_5G;
  4454. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4455. val |= MDIO_OVER_1G_UP1_10G;
  4456. CL22_WR_OVER_CL45(bp, phy,
  4457. MDIO_REG_BANK_OVER_1G,
  4458. MDIO_OVER_1G_UP1, val);
  4459. CL22_WR_OVER_CL45(bp, phy,
  4460. MDIO_REG_BANK_OVER_1G,
  4461. MDIO_OVER_1G_UP3, 0x400);
  4462. }
  4463. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4464. struct link_params *params,
  4465. u16 ieee_fc)
  4466. {
  4467. struct bnx2x *bp = params->bp;
  4468. u16 val;
  4469. /* For AN, we are always publishing full duplex */
  4470. CL22_WR_OVER_CL45(bp, phy,
  4471. MDIO_REG_BANK_COMBO_IEEE0,
  4472. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4473. CL22_RD_OVER_CL45(bp, phy,
  4474. MDIO_REG_BANK_CL73_IEEEB1,
  4475. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4476. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4477. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4478. CL22_WR_OVER_CL45(bp, phy,
  4479. MDIO_REG_BANK_CL73_IEEEB1,
  4480. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4481. }
  4482. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4483. struct link_params *params,
  4484. u8 enable_cl73)
  4485. {
  4486. struct bnx2x *bp = params->bp;
  4487. u16 mii_control;
  4488. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4489. /* Enable and restart BAM/CL37 aneg */
  4490. if (enable_cl73) {
  4491. CL22_RD_OVER_CL45(bp, phy,
  4492. MDIO_REG_BANK_CL73_IEEEB0,
  4493. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4494. &mii_control);
  4495. CL22_WR_OVER_CL45(bp, phy,
  4496. MDIO_REG_BANK_CL73_IEEEB0,
  4497. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4498. (mii_control |
  4499. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4500. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4501. } else {
  4502. CL22_RD_OVER_CL45(bp, phy,
  4503. MDIO_REG_BANK_COMBO_IEEE0,
  4504. MDIO_COMBO_IEEE0_MII_CONTROL,
  4505. &mii_control);
  4506. DP(NETIF_MSG_LINK,
  4507. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4508. mii_control);
  4509. CL22_WR_OVER_CL45(bp, phy,
  4510. MDIO_REG_BANK_COMBO_IEEE0,
  4511. MDIO_COMBO_IEEE0_MII_CONTROL,
  4512. (mii_control |
  4513. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4514. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4515. }
  4516. }
  4517. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4518. struct link_params *params,
  4519. struct link_vars *vars)
  4520. {
  4521. struct bnx2x *bp = params->bp;
  4522. u16 control1;
  4523. /* In SGMII mode, the unicore is always slave */
  4524. CL22_RD_OVER_CL45(bp, phy,
  4525. MDIO_REG_BANK_SERDES_DIGITAL,
  4526. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4527. &control1);
  4528. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4529. /* Set sgmii mode (and not fiber) */
  4530. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4531. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4532. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4533. CL22_WR_OVER_CL45(bp, phy,
  4534. MDIO_REG_BANK_SERDES_DIGITAL,
  4535. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4536. control1);
  4537. /* If forced speed */
  4538. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4539. /* Set speed, disable autoneg */
  4540. u16 mii_control;
  4541. CL22_RD_OVER_CL45(bp, phy,
  4542. MDIO_REG_BANK_COMBO_IEEE0,
  4543. MDIO_COMBO_IEEE0_MII_CONTROL,
  4544. &mii_control);
  4545. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4546. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4547. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4548. switch (vars->line_speed) {
  4549. case SPEED_100:
  4550. mii_control |=
  4551. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4552. break;
  4553. case SPEED_1000:
  4554. mii_control |=
  4555. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4556. break;
  4557. case SPEED_10:
  4558. /* There is nothing to set for 10M */
  4559. break;
  4560. default:
  4561. /* Invalid speed for SGMII */
  4562. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4563. vars->line_speed);
  4564. break;
  4565. }
  4566. /* Setting the full duplex */
  4567. if (phy->req_duplex == DUPLEX_FULL)
  4568. mii_control |=
  4569. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4570. CL22_WR_OVER_CL45(bp, phy,
  4571. MDIO_REG_BANK_COMBO_IEEE0,
  4572. MDIO_COMBO_IEEE0_MII_CONTROL,
  4573. mii_control);
  4574. } else { /* AN mode */
  4575. /* Enable and restart AN */
  4576. bnx2x_restart_autoneg(phy, params, 0);
  4577. }
  4578. }
  4579. /* Link management
  4580. */
  4581. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4582. struct link_params *params)
  4583. {
  4584. struct bnx2x *bp = params->bp;
  4585. u16 pd_10g, status2_1000x;
  4586. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4587. return 0;
  4588. CL22_RD_OVER_CL45(bp, phy,
  4589. MDIO_REG_BANK_SERDES_DIGITAL,
  4590. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4591. &status2_1000x);
  4592. CL22_RD_OVER_CL45(bp, phy,
  4593. MDIO_REG_BANK_SERDES_DIGITAL,
  4594. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4595. &status2_1000x);
  4596. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4597. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4598. params->port);
  4599. return 1;
  4600. }
  4601. CL22_RD_OVER_CL45(bp, phy,
  4602. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4603. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4604. &pd_10g);
  4605. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4606. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4607. params->port);
  4608. return 1;
  4609. }
  4610. return 0;
  4611. }
  4612. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4613. struct link_params *params,
  4614. struct link_vars *vars,
  4615. u32 gp_status)
  4616. {
  4617. u16 ld_pause; /* local driver */
  4618. u16 lp_pause; /* link partner */
  4619. u16 pause_result;
  4620. struct bnx2x *bp = params->bp;
  4621. if ((gp_status &
  4622. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4623. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4624. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4625. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4626. CL22_RD_OVER_CL45(bp, phy,
  4627. MDIO_REG_BANK_CL73_IEEEB1,
  4628. MDIO_CL73_IEEEB1_AN_ADV1,
  4629. &ld_pause);
  4630. CL22_RD_OVER_CL45(bp, phy,
  4631. MDIO_REG_BANK_CL73_IEEEB1,
  4632. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4633. &lp_pause);
  4634. pause_result = (ld_pause &
  4635. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4636. pause_result |= (lp_pause &
  4637. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4638. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4639. } else {
  4640. CL22_RD_OVER_CL45(bp, phy,
  4641. MDIO_REG_BANK_COMBO_IEEE0,
  4642. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4643. &ld_pause);
  4644. CL22_RD_OVER_CL45(bp, phy,
  4645. MDIO_REG_BANK_COMBO_IEEE0,
  4646. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4647. &lp_pause);
  4648. pause_result = (ld_pause &
  4649. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4650. pause_result |= (lp_pause &
  4651. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4652. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4653. }
  4654. bnx2x_pause_resolve(vars, pause_result);
  4655. }
  4656. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4657. struct link_params *params,
  4658. struct link_vars *vars,
  4659. u32 gp_status)
  4660. {
  4661. struct bnx2x *bp = params->bp;
  4662. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4663. /* Resolve from gp_status in case of AN complete and not sgmii */
  4664. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4665. /* Update the advertised flow-controled of LD/LP in AN */
  4666. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4667. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4668. /* But set the flow-control result as the requested one */
  4669. vars->flow_ctrl = phy->req_flow_ctrl;
  4670. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4671. vars->flow_ctrl = params->req_fc_auto_adv;
  4672. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4673. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4674. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4675. vars->flow_ctrl = params->req_fc_auto_adv;
  4676. return;
  4677. }
  4678. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4679. }
  4680. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4681. }
  4682. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4683. struct link_params *params)
  4684. {
  4685. struct bnx2x *bp = params->bp;
  4686. u16 rx_status, ustat_val, cl37_fsm_received;
  4687. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4688. /* Step 1: Make sure signal is detected */
  4689. CL22_RD_OVER_CL45(bp, phy,
  4690. MDIO_REG_BANK_RX0,
  4691. MDIO_RX0_RX_STATUS,
  4692. &rx_status);
  4693. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4694. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4695. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4696. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4697. CL22_WR_OVER_CL45(bp, phy,
  4698. MDIO_REG_BANK_CL73_IEEEB0,
  4699. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4700. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4701. return;
  4702. }
  4703. /* Step 2: Check CL73 state machine */
  4704. CL22_RD_OVER_CL45(bp, phy,
  4705. MDIO_REG_BANK_CL73_USERB0,
  4706. MDIO_CL73_USERB0_CL73_USTAT1,
  4707. &ustat_val);
  4708. if ((ustat_val &
  4709. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4710. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4711. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4712. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4713. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4714. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4715. return;
  4716. }
  4717. /* Step 3: Check CL37 Message Pages received to indicate LP
  4718. * supports only CL37
  4719. */
  4720. CL22_RD_OVER_CL45(bp, phy,
  4721. MDIO_REG_BANK_REMOTE_PHY,
  4722. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4723. &cl37_fsm_received);
  4724. if ((cl37_fsm_received &
  4725. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4726. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4727. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4728. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4729. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4730. "misc_rx_status(0x8330) = 0x%x\n",
  4731. cl37_fsm_received);
  4732. return;
  4733. }
  4734. /* The combined cl37/cl73 fsm state information indicating that
  4735. * we are connected to a device which does not support cl73, but
  4736. * does support cl37 BAM. In this case we disable cl73 and
  4737. * restart cl37 auto-neg
  4738. */
  4739. /* Disable CL73 */
  4740. CL22_WR_OVER_CL45(bp, phy,
  4741. MDIO_REG_BANK_CL73_IEEEB0,
  4742. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4743. 0);
  4744. /* Restart CL37 autoneg */
  4745. bnx2x_restart_autoneg(phy, params, 0);
  4746. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4747. }
  4748. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4749. struct link_params *params,
  4750. struct link_vars *vars,
  4751. u32 gp_status)
  4752. {
  4753. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4754. vars->link_status |=
  4755. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4756. if (bnx2x_direct_parallel_detect_used(phy, params))
  4757. vars->link_status |=
  4758. LINK_STATUS_PARALLEL_DETECTION_USED;
  4759. }
  4760. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4761. struct link_params *params,
  4762. struct link_vars *vars,
  4763. u16 is_link_up,
  4764. u16 speed_mask,
  4765. u16 is_duplex)
  4766. {
  4767. struct bnx2x *bp = params->bp;
  4768. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4769. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4770. if (is_link_up) {
  4771. DP(NETIF_MSG_LINK, "phy link up\n");
  4772. vars->phy_link_up = 1;
  4773. vars->link_status |= LINK_STATUS_LINK_UP;
  4774. switch (speed_mask) {
  4775. case GP_STATUS_10M:
  4776. vars->line_speed = SPEED_10;
  4777. if (is_duplex == DUPLEX_FULL)
  4778. vars->link_status |= LINK_10TFD;
  4779. else
  4780. vars->link_status |= LINK_10THD;
  4781. break;
  4782. case GP_STATUS_100M:
  4783. vars->line_speed = SPEED_100;
  4784. if (is_duplex == DUPLEX_FULL)
  4785. vars->link_status |= LINK_100TXFD;
  4786. else
  4787. vars->link_status |= LINK_100TXHD;
  4788. break;
  4789. case GP_STATUS_1G:
  4790. case GP_STATUS_1G_KX:
  4791. vars->line_speed = SPEED_1000;
  4792. if (is_duplex == DUPLEX_FULL)
  4793. vars->link_status |= LINK_1000TFD;
  4794. else
  4795. vars->link_status |= LINK_1000THD;
  4796. break;
  4797. case GP_STATUS_2_5G:
  4798. vars->line_speed = SPEED_2500;
  4799. if (is_duplex == DUPLEX_FULL)
  4800. vars->link_status |= LINK_2500TFD;
  4801. else
  4802. vars->link_status |= LINK_2500THD;
  4803. break;
  4804. case GP_STATUS_5G:
  4805. case GP_STATUS_6G:
  4806. DP(NETIF_MSG_LINK,
  4807. "link speed unsupported gp_status 0x%x\n",
  4808. speed_mask);
  4809. return -EINVAL;
  4810. case GP_STATUS_10G_KX4:
  4811. case GP_STATUS_10G_HIG:
  4812. case GP_STATUS_10G_CX4:
  4813. case GP_STATUS_10G_KR:
  4814. case GP_STATUS_10G_SFI:
  4815. case GP_STATUS_10G_XFI:
  4816. vars->line_speed = SPEED_10000;
  4817. vars->link_status |= LINK_10GTFD;
  4818. break;
  4819. case GP_STATUS_20G_DXGXS:
  4820. case GP_STATUS_20G_KR2:
  4821. vars->line_speed = SPEED_20000;
  4822. vars->link_status |= LINK_20GTFD;
  4823. break;
  4824. default:
  4825. DP(NETIF_MSG_LINK,
  4826. "link speed unsupported gp_status 0x%x\n",
  4827. speed_mask);
  4828. return -EINVAL;
  4829. }
  4830. } else { /* link_down */
  4831. DP(NETIF_MSG_LINK, "phy link down\n");
  4832. vars->phy_link_up = 0;
  4833. vars->duplex = DUPLEX_FULL;
  4834. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4835. vars->mac_type = MAC_TYPE_NONE;
  4836. }
  4837. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4838. vars->phy_link_up, vars->line_speed);
  4839. return 0;
  4840. }
  4841. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4842. struct link_params *params,
  4843. struct link_vars *vars)
  4844. {
  4845. struct bnx2x *bp = params->bp;
  4846. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4847. int rc = 0;
  4848. /* Read gp_status */
  4849. CL22_RD_OVER_CL45(bp, phy,
  4850. MDIO_REG_BANK_GP_STATUS,
  4851. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4852. &gp_status);
  4853. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4854. duplex = DUPLEX_FULL;
  4855. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4856. link_up = 1;
  4857. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4858. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4859. gp_status, link_up, speed_mask);
  4860. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4861. duplex);
  4862. if (rc == -EINVAL)
  4863. return rc;
  4864. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4865. if (SINGLE_MEDIA_DIRECT(params)) {
  4866. vars->duplex = duplex;
  4867. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4868. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4869. bnx2x_xgxs_an_resolve(phy, params, vars,
  4870. gp_status);
  4871. }
  4872. } else { /* Link_down */
  4873. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4874. SINGLE_MEDIA_DIRECT(params)) {
  4875. /* Check signal is detected */
  4876. bnx2x_check_fallback_to_cl37(phy, params);
  4877. }
  4878. }
  4879. /* Read LP advertised speeds*/
  4880. if (SINGLE_MEDIA_DIRECT(params) &&
  4881. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4882. u16 val;
  4883. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4884. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4885. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4886. vars->link_status |=
  4887. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4888. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4889. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4890. vars->link_status |=
  4891. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4892. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4893. MDIO_OVER_1G_LP_UP1, &val);
  4894. if (val & MDIO_OVER_1G_UP1_2_5G)
  4895. vars->link_status |=
  4896. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4897. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4898. vars->link_status |=
  4899. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4900. }
  4901. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4902. vars->duplex, vars->flow_ctrl, vars->link_status);
  4903. return rc;
  4904. }
  4905. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4906. struct link_params *params,
  4907. struct link_vars *vars)
  4908. {
  4909. struct bnx2x *bp = params->bp;
  4910. u8 lane;
  4911. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4912. int rc = 0;
  4913. lane = bnx2x_get_warpcore_lane(phy, params);
  4914. /* Read gp_status */
  4915. if ((params->loopback_mode) &&
  4916. (phy->flags & FLAGS_WC_DUAL_MODE)) {
  4917. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4918. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4919. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4920. MDIO_WC_REG_DIGITAL5_LINK_STATUS, &link_up);
  4921. link_up &= 0x1;
  4922. } else if ((phy->req_line_speed > SPEED_10000) &&
  4923. (phy->supported & SUPPORTED_20000baseMLD2_Full)) {
  4924. u16 temp_link_up;
  4925. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4926. 1, &temp_link_up);
  4927. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4928. 1, &link_up);
  4929. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4930. temp_link_up, link_up);
  4931. link_up &= (1<<2);
  4932. if (link_up)
  4933. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4934. } else {
  4935. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4936. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  4937. &gp_status1);
  4938. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4939. /* Check for either KR, 1G, or AN up. */
  4940. link_up = ((gp_status1 >> 8) |
  4941. (gp_status1 >> 12) |
  4942. (gp_status1)) &
  4943. (1 << lane);
  4944. if (phy->supported & SUPPORTED_20000baseKR2_Full) {
  4945. u16 an_link;
  4946. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4947. MDIO_AN_REG_STATUS, &an_link);
  4948. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4949. MDIO_AN_REG_STATUS, &an_link);
  4950. link_up |= (an_link & (1<<2));
  4951. }
  4952. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4953. u16 pd, gp_status4;
  4954. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4955. /* Check Autoneg complete */
  4956. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4957. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4958. &gp_status4);
  4959. if (gp_status4 & ((1<<12)<<lane))
  4960. vars->link_status |=
  4961. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4962. /* Check parallel detect used */
  4963. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4964. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4965. &pd);
  4966. if (pd & (1<<15))
  4967. vars->link_status |=
  4968. LINK_STATUS_PARALLEL_DETECTION_USED;
  4969. }
  4970. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4971. vars->duplex = duplex;
  4972. }
  4973. }
  4974. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4975. SINGLE_MEDIA_DIRECT(params)) {
  4976. u16 val;
  4977. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4978. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4979. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4980. vars->link_status |=
  4981. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4982. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4983. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4984. vars->link_status |=
  4985. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4986. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4987. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4988. if (val & MDIO_OVER_1G_UP1_2_5G)
  4989. vars->link_status |=
  4990. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4991. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4992. vars->link_status |=
  4993. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4994. }
  4995. if (lane < 2) {
  4996. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4997. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4998. } else {
  4999. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  5000. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  5001. }
  5002. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  5003. if ((lane & 1) == 0)
  5004. gp_speed <<= 8;
  5005. gp_speed &= 0x3f00;
  5006. link_up = !!link_up;
  5007. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  5008. duplex);
  5009. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  5010. vars->duplex, vars->flow_ctrl, vars->link_status);
  5011. return rc;
  5012. }
  5013. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  5014. {
  5015. struct bnx2x *bp = params->bp;
  5016. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5017. u16 lp_up2;
  5018. u16 tx_driver;
  5019. u16 bank;
  5020. /* Read precomp */
  5021. CL22_RD_OVER_CL45(bp, phy,
  5022. MDIO_REG_BANK_OVER_1G,
  5023. MDIO_OVER_1G_LP_UP2, &lp_up2);
  5024. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  5025. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  5026. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  5027. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  5028. if (lp_up2 == 0)
  5029. return;
  5030. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  5031. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  5032. CL22_RD_OVER_CL45(bp, phy,
  5033. bank,
  5034. MDIO_TX0_TX_DRIVER, &tx_driver);
  5035. /* Replace tx_driver bits [15:12] */
  5036. if (lp_up2 !=
  5037. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  5038. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  5039. tx_driver |= lp_up2;
  5040. CL22_WR_OVER_CL45(bp, phy,
  5041. bank,
  5042. MDIO_TX0_TX_DRIVER, tx_driver);
  5043. }
  5044. }
  5045. }
  5046. static int bnx2x_emac_program(struct link_params *params,
  5047. struct link_vars *vars)
  5048. {
  5049. struct bnx2x *bp = params->bp;
  5050. u8 port = params->port;
  5051. u16 mode = 0;
  5052. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  5053. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  5054. EMAC_REG_EMAC_MODE,
  5055. (EMAC_MODE_25G_MODE |
  5056. EMAC_MODE_PORT_MII_10M |
  5057. EMAC_MODE_HALF_DUPLEX));
  5058. switch (vars->line_speed) {
  5059. case SPEED_10:
  5060. mode |= EMAC_MODE_PORT_MII_10M;
  5061. break;
  5062. case SPEED_100:
  5063. mode |= EMAC_MODE_PORT_MII;
  5064. break;
  5065. case SPEED_1000:
  5066. mode |= EMAC_MODE_PORT_GMII;
  5067. break;
  5068. case SPEED_2500:
  5069. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  5070. break;
  5071. default:
  5072. /* 10G not valid for EMAC */
  5073. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  5074. vars->line_speed);
  5075. return -EINVAL;
  5076. }
  5077. if (vars->duplex == DUPLEX_HALF)
  5078. mode |= EMAC_MODE_HALF_DUPLEX;
  5079. bnx2x_bits_en(bp,
  5080. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  5081. mode);
  5082. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  5083. return 0;
  5084. }
  5085. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  5086. struct link_params *params)
  5087. {
  5088. u16 bank, i = 0;
  5089. struct bnx2x *bp = params->bp;
  5090. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  5091. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  5092. CL22_WR_OVER_CL45(bp, phy,
  5093. bank,
  5094. MDIO_RX0_RX_EQ_BOOST,
  5095. phy->rx_preemphasis[i]);
  5096. }
  5097. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  5098. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  5099. CL22_WR_OVER_CL45(bp, phy,
  5100. bank,
  5101. MDIO_TX0_TX_DRIVER,
  5102. phy->tx_preemphasis[i]);
  5103. }
  5104. }
  5105. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5106. struct link_params *params,
  5107. struct link_vars *vars)
  5108. {
  5109. struct bnx2x *bp = params->bp;
  5110. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5111. (params->loopback_mode == LOOPBACK_XGXS));
  5112. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5113. if (SINGLE_MEDIA_DIRECT(params) &&
  5114. (params->feature_config_flags &
  5115. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5116. bnx2x_set_preemphasis(phy, params);
  5117. /* Forced speed requested? */
  5118. if (vars->line_speed != SPEED_AUTO_NEG ||
  5119. (SINGLE_MEDIA_DIRECT(params) &&
  5120. params->loopback_mode == LOOPBACK_EXT)) {
  5121. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5122. /* Disable autoneg */
  5123. bnx2x_set_autoneg(phy, params, vars, 0);
  5124. /* Program speed and duplex */
  5125. bnx2x_program_serdes(phy, params, vars);
  5126. } else { /* AN_mode */
  5127. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5128. /* AN enabled */
  5129. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5130. /* Program duplex & pause advertisement (for aneg) */
  5131. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5132. vars->ieee_fc);
  5133. /* Enable autoneg */
  5134. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5135. /* Enable and restart AN */
  5136. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5137. }
  5138. } else { /* SGMII mode */
  5139. DP(NETIF_MSG_LINK, "SGMII\n");
  5140. bnx2x_initialize_sgmii_process(phy, params, vars);
  5141. }
  5142. }
  5143. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5144. struct link_params *params,
  5145. struct link_vars *vars)
  5146. {
  5147. int rc;
  5148. vars->phy_flags |= PHY_XGXS_FLAG;
  5149. if ((phy->req_line_speed &&
  5150. ((phy->req_line_speed == SPEED_100) ||
  5151. (phy->req_line_speed == SPEED_10))) ||
  5152. (!phy->req_line_speed &&
  5153. (phy->speed_cap_mask >=
  5154. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5155. (phy->speed_cap_mask <
  5156. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5157. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5158. vars->phy_flags |= PHY_SGMII_FLAG;
  5159. else
  5160. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5161. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5162. bnx2x_set_aer_mmd(params, phy);
  5163. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5164. bnx2x_set_master_ln(params, phy);
  5165. rc = bnx2x_reset_unicore(params, phy, 0);
  5166. /* Reset the SerDes and wait for reset bit return low */
  5167. if (rc)
  5168. return rc;
  5169. bnx2x_set_aer_mmd(params, phy);
  5170. /* Setting the masterLn_def again after the reset */
  5171. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5172. bnx2x_set_master_ln(params, phy);
  5173. bnx2x_set_swap_lanes(params, phy);
  5174. }
  5175. return rc;
  5176. }
  5177. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5178. struct bnx2x_phy *phy,
  5179. struct link_params *params)
  5180. {
  5181. u16 cnt, ctrl;
  5182. /* Wait for soft reset to get cleared up to 1 sec */
  5183. for (cnt = 0; cnt < 1000; cnt++) {
  5184. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5185. bnx2x_cl22_read(bp, phy,
  5186. MDIO_PMA_REG_CTRL, &ctrl);
  5187. else
  5188. bnx2x_cl45_read(bp, phy,
  5189. MDIO_PMA_DEVAD,
  5190. MDIO_PMA_REG_CTRL, &ctrl);
  5191. if (!(ctrl & (1<<15)))
  5192. break;
  5193. usleep_range(1000, 2000);
  5194. }
  5195. if (cnt == 1000)
  5196. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5197. " Port %d\n",
  5198. params->port);
  5199. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5200. return cnt;
  5201. }
  5202. static void bnx2x_link_int_enable(struct link_params *params)
  5203. {
  5204. u8 port = params->port;
  5205. u32 mask;
  5206. struct bnx2x *bp = params->bp;
  5207. /* Setting the status to report on link up for either XGXS or SerDes */
  5208. if (CHIP_IS_E3(bp)) {
  5209. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5210. if (!(SINGLE_MEDIA_DIRECT(params)))
  5211. mask |= NIG_MASK_MI_INT;
  5212. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5213. mask = (NIG_MASK_XGXS0_LINK10G |
  5214. NIG_MASK_XGXS0_LINK_STATUS);
  5215. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5216. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5217. params->phy[INT_PHY].type !=
  5218. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5219. mask |= NIG_MASK_MI_INT;
  5220. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5221. }
  5222. } else { /* SerDes */
  5223. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5224. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5225. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5226. params->phy[INT_PHY].type !=
  5227. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5228. mask |= NIG_MASK_MI_INT;
  5229. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5230. }
  5231. }
  5232. bnx2x_bits_en(bp,
  5233. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5234. mask);
  5235. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5236. (params->switch_cfg == SWITCH_CFG_10G),
  5237. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5238. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5239. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5240. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5241. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5242. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5243. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5244. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5245. }
  5246. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5247. u8 exp_mi_int)
  5248. {
  5249. u32 latch_status = 0;
  5250. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5251. * status register. Link down indication is high-active-signal,
  5252. * so in this case we need to write the status to clear the XOR
  5253. */
  5254. /* Read Latched signals */
  5255. latch_status = REG_RD(bp,
  5256. NIG_REG_LATCH_STATUS_0 + port*8);
  5257. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5258. /* Handle only those with latched-signal=up.*/
  5259. if (exp_mi_int)
  5260. bnx2x_bits_en(bp,
  5261. NIG_REG_STATUS_INTERRUPT_PORT0
  5262. + port*4,
  5263. NIG_STATUS_EMAC0_MI_INT);
  5264. else
  5265. bnx2x_bits_dis(bp,
  5266. NIG_REG_STATUS_INTERRUPT_PORT0
  5267. + port*4,
  5268. NIG_STATUS_EMAC0_MI_INT);
  5269. if (latch_status & 1) {
  5270. /* For all latched-signal=up : Re-Arm Latch signals */
  5271. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5272. (latch_status & 0xfffe) | (latch_status & 1));
  5273. }
  5274. /* For all latched-signal=up,Write original_signal to status */
  5275. }
  5276. static void bnx2x_link_int_ack(struct link_params *params,
  5277. struct link_vars *vars, u8 is_10g_plus)
  5278. {
  5279. struct bnx2x *bp = params->bp;
  5280. u8 port = params->port;
  5281. u32 mask;
  5282. /* First reset all status we assume only one line will be
  5283. * change at a time
  5284. */
  5285. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5286. (NIG_STATUS_XGXS0_LINK10G |
  5287. NIG_STATUS_XGXS0_LINK_STATUS |
  5288. NIG_STATUS_SERDES0_LINK_STATUS));
  5289. if (vars->phy_link_up) {
  5290. if (USES_WARPCORE(bp))
  5291. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5292. else {
  5293. if (is_10g_plus)
  5294. mask = NIG_STATUS_XGXS0_LINK10G;
  5295. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5296. /* Disable the link interrupt by writing 1 to
  5297. * the relevant lane in the status register
  5298. */
  5299. u32 ser_lane =
  5300. ((params->lane_config &
  5301. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5302. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5303. mask = ((1 << ser_lane) <<
  5304. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5305. } else
  5306. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5307. }
  5308. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5309. mask);
  5310. bnx2x_bits_en(bp,
  5311. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5312. mask);
  5313. }
  5314. }
  5315. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5316. {
  5317. u8 *str_ptr = str;
  5318. u32 mask = 0xf0000000;
  5319. u8 shift = 8*4;
  5320. u8 digit;
  5321. u8 remove_leading_zeros = 1;
  5322. if (*len < 10) {
  5323. /* Need more than 10chars for this format */
  5324. *str_ptr = '\0';
  5325. (*len)--;
  5326. return -EINVAL;
  5327. }
  5328. while (shift > 0) {
  5329. shift -= 4;
  5330. digit = ((num & mask) >> shift);
  5331. if (digit == 0 && remove_leading_zeros) {
  5332. mask = mask >> 4;
  5333. continue;
  5334. } else if (digit < 0xa)
  5335. *str_ptr = digit + '0';
  5336. else
  5337. *str_ptr = digit - 0xa + 'a';
  5338. remove_leading_zeros = 0;
  5339. str_ptr++;
  5340. (*len)--;
  5341. mask = mask >> 4;
  5342. if (shift == 4*4) {
  5343. *str_ptr = '.';
  5344. str_ptr++;
  5345. (*len)--;
  5346. remove_leading_zeros = 1;
  5347. }
  5348. }
  5349. return 0;
  5350. }
  5351. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5352. {
  5353. str[0] = '\0';
  5354. (*len)--;
  5355. return 0;
  5356. }
  5357. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5358. u16 len)
  5359. {
  5360. struct bnx2x *bp;
  5361. u32 spirom_ver = 0;
  5362. int status = 0;
  5363. u8 *ver_p = version;
  5364. u16 remain_len = len;
  5365. if (version == NULL || params == NULL)
  5366. return -EINVAL;
  5367. bp = params->bp;
  5368. /* Extract first external phy*/
  5369. version[0] = '\0';
  5370. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5371. if (params->phy[EXT_PHY1].format_fw_ver) {
  5372. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5373. ver_p,
  5374. &remain_len);
  5375. ver_p += (len - remain_len);
  5376. }
  5377. if ((params->num_phys == MAX_PHYS) &&
  5378. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5379. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5380. if (params->phy[EXT_PHY2].format_fw_ver) {
  5381. *ver_p = '/';
  5382. ver_p++;
  5383. remain_len--;
  5384. status |= params->phy[EXT_PHY2].format_fw_ver(
  5385. spirom_ver,
  5386. ver_p,
  5387. &remain_len);
  5388. ver_p = version + (len - remain_len);
  5389. }
  5390. }
  5391. *ver_p = '\0';
  5392. return status;
  5393. }
  5394. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5395. struct link_params *params)
  5396. {
  5397. u8 port = params->port;
  5398. struct bnx2x *bp = params->bp;
  5399. if (phy->req_line_speed != SPEED_1000) {
  5400. u32 md_devad = 0;
  5401. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5402. if (!CHIP_IS_E3(bp)) {
  5403. /* Change the uni_phy_addr in the nig */
  5404. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5405. port*0x18));
  5406. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5407. 0x5);
  5408. }
  5409. bnx2x_cl45_write(bp, phy,
  5410. 5,
  5411. (MDIO_REG_BANK_AER_BLOCK +
  5412. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5413. 0x2800);
  5414. bnx2x_cl45_write(bp, phy,
  5415. 5,
  5416. (MDIO_REG_BANK_CL73_IEEEB0 +
  5417. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5418. 0x6041);
  5419. msleep(200);
  5420. /* Set aer mmd back */
  5421. bnx2x_set_aer_mmd(params, phy);
  5422. if (!CHIP_IS_E3(bp)) {
  5423. /* And md_devad */
  5424. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5425. md_devad);
  5426. }
  5427. } else {
  5428. u16 mii_ctrl;
  5429. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5430. bnx2x_cl45_read(bp, phy, 5,
  5431. (MDIO_REG_BANK_COMBO_IEEE0 +
  5432. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5433. &mii_ctrl);
  5434. bnx2x_cl45_write(bp, phy, 5,
  5435. (MDIO_REG_BANK_COMBO_IEEE0 +
  5436. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5437. mii_ctrl |
  5438. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5439. }
  5440. }
  5441. int bnx2x_set_led(struct link_params *params,
  5442. struct link_vars *vars, u8 mode, u32 speed)
  5443. {
  5444. u8 port = params->port;
  5445. u16 hw_led_mode = params->hw_led_mode;
  5446. int rc = 0;
  5447. u8 phy_idx;
  5448. u32 tmp;
  5449. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5450. struct bnx2x *bp = params->bp;
  5451. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5452. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5453. speed, hw_led_mode);
  5454. /* In case */
  5455. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5456. if (params->phy[phy_idx].set_link_led) {
  5457. params->phy[phy_idx].set_link_led(
  5458. &params->phy[phy_idx], params, mode);
  5459. }
  5460. }
  5461. switch (mode) {
  5462. case LED_MODE_FRONT_PANEL_OFF:
  5463. case LED_MODE_OFF:
  5464. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5465. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5466. SHARED_HW_CFG_LED_MAC1);
  5467. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5468. if (params->phy[EXT_PHY1].type ==
  5469. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5470. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5471. EMAC_LED_100MB_OVERRIDE |
  5472. EMAC_LED_10MB_OVERRIDE);
  5473. else
  5474. tmp |= EMAC_LED_OVERRIDE;
  5475. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5476. break;
  5477. case LED_MODE_OPER:
  5478. /* For all other phys, OPER mode is same as ON, so in case
  5479. * link is down, do nothing
  5480. */
  5481. if (!vars->link_up)
  5482. break;
  5483. case LED_MODE_ON:
  5484. if (((params->phy[EXT_PHY1].type ==
  5485. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5486. (params->phy[EXT_PHY1].type ==
  5487. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5488. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5489. /* This is a work-around for E2+8727 Configurations */
  5490. if (mode == LED_MODE_ON ||
  5491. speed == SPEED_10000){
  5492. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5493. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5494. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5495. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5496. (tmp | EMAC_LED_OVERRIDE));
  5497. /* Return here without enabling traffic
  5498. * LED blink and setting rate in ON mode.
  5499. * In oper mode, enabling LED blink
  5500. * and setting rate is needed.
  5501. */
  5502. if (mode == LED_MODE_ON)
  5503. return rc;
  5504. }
  5505. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5506. /* This is a work-around for HW issue found when link
  5507. * is up in CL73
  5508. */
  5509. if ((!CHIP_IS_E3(bp)) ||
  5510. (CHIP_IS_E3(bp) &&
  5511. mode == LED_MODE_ON))
  5512. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5513. if (CHIP_IS_E1x(bp) ||
  5514. CHIP_IS_E2(bp) ||
  5515. (mode == LED_MODE_ON))
  5516. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5517. else
  5518. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5519. hw_led_mode);
  5520. } else if ((params->phy[EXT_PHY1].type ==
  5521. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5522. (mode == LED_MODE_ON)) {
  5523. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5524. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5525. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5526. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5527. /* Break here; otherwise, it'll disable the
  5528. * intended override.
  5529. */
  5530. break;
  5531. } else
  5532. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5533. hw_led_mode);
  5534. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5535. /* Set blinking rate to ~15.9Hz */
  5536. if (CHIP_IS_E3(bp))
  5537. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5538. LED_BLINK_RATE_VAL_E3);
  5539. else
  5540. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5541. LED_BLINK_RATE_VAL_E1X_E2);
  5542. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5543. port*4, 1);
  5544. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5545. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5546. (tmp & (~EMAC_LED_OVERRIDE)));
  5547. if (CHIP_IS_E1(bp) &&
  5548. ((speed == SPEED_2500) ||
  5549. (speed == SPEED_1000) ||
  5550. (speed == SPEED_100) ||
  5551. (speed == SPEED_10))) {
  5552. /* For speeds less than 10G LED scheme is different */
  5553. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5554. + port*4, 1);
  5555. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5556. port*4, 0);
  5557. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5558. port*4, 1);
  5559. }
  5560. break;
  5561. default:
  5562. rc = -EINVAL;
  5563. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5564. mode);
  5565. break;
  5566. }
  5567. return rc;
  5568. }
  5569. /* This function comes to reflect the actual link state read DIRECTLY from the
  5570. * HW
  5571. */
  5572. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5573. u8 is_serdes)
  5574. {
  5575. struct bnx2x *bp = params->bp;
  5576. u16 gp_status = 0, phy_index = 0;
  5577. u8 ext_phy_link_up = 0, serdes_phy_type;
  5578. struct link_vars temp_vars;
  5579. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5580. if (CHIP_IS_E3(bp)) {
  5581. u16 link_up;
  5582. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5583. > SPEED_10000) {
  5584. /* Check 20G link */
  5585. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5586. 1, &link_up);
  5587. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5588. 1, &link_up);
  5589. link_up &= (1<<2);
  5590. } else {
  5591. /* Check 10G link and below*/
  5592. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5593. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5594. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5595. &gp_status);
  5596. gp_status = ((gp_status >> 8) & 0xf) |
  5597. ((gp_status >> 12) & 0xf);
  5598. link_up = gp_status & (1 << lane);
  5599. }
  5600. if (!link_up)
  5601. return -ESRCH;
  5602. } else {
  5603. CL22_RD_OVER_CL45(bp, int_phy,
  5604. MDIO_REG_BANK_GP_STATUS,
  5605. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5606. &gp_status);
  5607. /* Link is up only if both local phy and external phy are up */
  5608. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5609. return -ESRCH;
  5610. }
  5611. /* In XGXS loopback mode, do not check external PHY */
  5612. if (params->loopback_mode == LOOPBACK_XGXS)
  5613. return 0;
  5614. switch (params->num_phys) {
  5615. case 1:
  5616. /* No external PHY */
  5617. return 0;
  5618. case 2:
  5619. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5620. &params->phy[EXT_PHY1],
  5621. params, &temp_vars);
  5622. break;
  5623. case 3: /* Dual Media */
  5624. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5625. phy_index++) {
  5626. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5627. ETH_PHY_SFPP_10G_FIBER) ||
  5628. (params->phy[phy_index].media_type ==
  5629. ETH_PHY_SFP_1G_FIBER) ||
  5630. (params->phy[phy_index].media_type ==
  5631. ETH_PHY_XFP_FIBER) ||
  5632. (params->phy[phy_index].media_type ==
  5633. ETH_PHY_DA_TWINAX));
  5634. if (is_serdes != serdes_phy_type)
  5635. continue;
  5636. if (params->phy[phy_index].read_status) {
  5637. ext_phy_link_up |=
  5638. params->phy[phy_index].read_status(
  5639. &params->phy[phy_index],
  5640. params, &temp_vars);
  5641. }
  5642. }
  5643. break;
  5644. }
  5645. if (ext_phy_link_up)
  5646. return 0;
  5647. return -ESRCH;
  5648. }
  5649. static int bnx2x_link_initialize(struct link_params *params,
  5650. struct link_vars *vars)
  5651. {
  5652. int rc = 0;
  5653. u8 phy_index, non_ext_phy;
  5654. struct bnx2x *bp = params->bp;
  5655. /* In case of external phy existence, the line speed would be the
  5656. * line speed linked up by the external phy. In case it is direct
  5657. * only, then the line_speed during initialization will be
  5658. * equal to the req_line_speed
  5659. */
  5660. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5661. /* Initialize the internal phy in case this is a direct board
  5662. * (no external phys), or this board has external phy which requires
  5663. * to first.
  5664. */
  5665. if (!USES_WARPCORE(bp))
  5666. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5667. /* init ext phy and enable link state int */
  5668. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5669. (params->loopback_mode == LOOPBACK_XGXS));
  5670. if (non_ext_phy ||
  5671. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5672. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5673. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5674. if (vars->line_speed == SPEED_AUTO_NEG &&
  5675. (CHIP_IS_E1x(bp) ||
  5676. CHIP_IS_E2(bp)))
  5677. bnx2x_set_parallel_detection(phy, params);
  5678. if (params->phy[INT_PHY].config_init)
  5679. params->phy[INT_PHY].config_init(phy,
  5680. params,
  5681. vars);
  5682. }
  5683. /* Init external phy*/
  5684. if (non_ext_phy) {
  5685. if (params->phy[INT_PHY].supported &
  5686. SUPPORTED_FIBRE)
  5687. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5688. } else {
  5689. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5690. phy_index++) {
  5691. /* No need to initialize second phy in case of first
  5692. * phy only selection. In case of second phy, we do
  5693. * need to initialize the first phy, since they are
  5694. * connected.
  5695. */
  5696. if (params->phy[phy_index].supported &
  5697. SUPPORTED_FIBRE)
  5698. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5699. if (phy_index == EXT_PHY2 &&
  5700. (bnx2x_phy_selection(params) ==
  5701. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5702. DP(NETIF_MSG_LINK,
  5703. "Not initializing second phy\n");
  5704. continue;
  5705. }
  5706. params->phy[phy_index].config_init(
  5707. &params->phy[phy_index],
  5708. params, vars);
  5709. }
  5710. }
  5711. /* Reset the interrupt indication after phy was initialized */
  5712. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5713. params->port*4,
  5714. (NIG_STATUS_XGXS0_LINK10G |
  5715. NIG_STATUS_XGXS0_LINK_STATUS |
  5716. NIG_STATUS_SERDES0_LINK_STATUS |
  5717. NIG_MASK_MI_INT));
  5718. return rc;
  5719. }
  5720. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5721. struct link_params *params)
  5722. {
  5723. /* Reset the SerDes/XGXS */
  5724. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5725. (0x1ff << (params->port*16)));
  5726. }
  5727. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5728. struct link_params *params)
  5729. {
  5730. struct bnx2x *bp = params->bp;
  5731. u8 gpio_port;
  5732. /* HW reset */
  5733. if (CHIP_IS_E2(bp))
  5734. gpio_port = BP_PATH(bp);
  5735. else
  5736. gpio_port = params->port;
  5737. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5738. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5739. gpio_port);
  5740. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5741. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5742. gpio_port);
  5743. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5744. }
  5745. static int bnx2x_update_link_down(struct link_params *params,
  5746. struct link_vars *vars)
  5747. {
  5748. struct bnx2x *bp = params->bp;
  5749. u8 port = params->port;
  5750. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5751. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5752. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5753. /* Indicate no mac active */
  5754. vars->mac_type = MAC_TYPE_NONE;
  5755. /* Update shared memory */
  5756. vars->link_status &= ~LINK_UPDATE_MASK;
  5757. vars->line_speed = 0;
  5758. bnx2x_update_mng(params, vars->link_status);
  5759. /* Activate nig drain */
  5760. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5761. /* Disable emac */
  5762. if (!CHIP_IS_E3(bp))
  5763. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5764. usleep_range(10000, 20000);
  5765. /* Reset BigMac/Xmac */
  5766. if (CHIP_IS_E1x(bp) ||
  5767. CHIP_IS_E2(bp))
  5768. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5769. if (CHIP_IS_E3(bp)) {
  5770. /* Prevent LPI Generation by chip */
  5771. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5772. 0);
  5773. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5774. 0);
  5775. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5776. SHMEM_EEE_ACTIVE_BIT);
  5777. bnx2x_update_mng_eee(params, vars->eee_status);
  5778. bnx2x_set_xmac_rxtx(params, 0);
  5779. bnx2x_set_umac_rxtx(params, 0);
  5780. }
  5781. return 0;
  5782. }
  5783. static int bnx2x_update_link_up(struct link_params *params,
  5784. struct link_vars *vars,
  5785. u8 link_10g)
  5786. {
  5787. struct bnx2x *bp = params->bp;
  5788. u8 phy_idx, port = params->port;
  5789. int rc = 0;
  5790. vars->link_status |= (LINK_STATUS_LINK_UP |
  5791. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5792. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5793. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5794. vars->link_status |=
  5795. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5796. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5797. vars->link_status |=
  5798. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5799. if (USES_WARPCORE(bp)) {
  5800. if (link_10g) {
  5801. if (bnx2x_xmac_enable(params, vars, 0) ==
  5802. -ESRCH) {
  5803. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5804. vars->link_up = 0;
  5805. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5806. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5807. }
  5808. } else
  5809. bnx2x_umac_enable(params, vars, 0);
  5810. bnx2x_set_led(params, vars,
  5811. LED_MODE_OPER, vars->line_speed);
  5812. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5813. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5814. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5815. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5816. (params->port << 2), 1);
  5817. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5818. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5819. (params->port << 2), 0xfc20);
  5820. }
  5821. }
  5822. if ((CHIP_IS_E1x(bp) ||
  5823. CHIP_IS_E2(bp))) {
  5824. if (link_10g) {
  5825. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5826. -ESRCH) {
  5827. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5828. vars->link_up = 0;
  5829. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5830. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5831. }
  5832. bnx2x_set_led(params, vars,
  5833. LED_MODE_OPER, SPEED_10000);
  5834. } else {
  5835. rc = bnx2x_emac_program(params, vars);
  5836. bnx2x_emac_enable(params, vars, 0);
  5837. /* AN complete? */
  5838. if ((vars->link_status &
  5839. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5840. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5841. SINGLE_MEDIA_DIRECT(params))
  5842. bnx2x_set_gmii_tx_driver(params);
  5843. }
  5844. }
  5845. /* PBF - link up */
  5846. if (CHIP_IS_E1x(bp))
  5847. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5848. vars->line_speed);
  5849. /* Disable drain */
  5850. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5851. /* Update shared memory */
  5852. bnx2x_update_mng(params, vars->link_status);
  5853. bnx2x_update_mng_eee(params, vars->eee_status);
  5854. /* Check remote fault */
  5855. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5856. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5857. bnx2x_check_half_open_conn(params, vars, 0);
  5858. break;
  5859. }
  5860. }
  5861. msleep(20);
  5862. return rc;
  5863. }
  5864. /* The bnx2x_link_update function should be called upon link
  5865. * interrupt.
  5866. * Link is considered up as follows:
  5867. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5868. * to be up
  5869. * - SINGLE_MEDIA - The link between the 577xx and the external
  5870. * phy (XGXS) need to up as well as the external link of the
  5871. * phy (PHY_EXT1)
  5872. * - DUAL_MEDIA - The link between the 577xx and the first
  5873. * external phy needs to be up, and at least one of the 2
  5874. * external phy link must be up.
  5875. */
  5876. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5877. {
  5878. struct bnx2x *bp = params->bp;
  5879. struct link_vars phy_vars[MAX_PHYS];
  5880. u8 port = params->port;
  5881. u8 link_10g_plus, phy_index;
  5882. u8 ext_phy_link_up = 0, cur_link_up;
  5883. int rc = 0;
  5884. u8 is_mi_int = 0;
  5885. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5886. u8 active_external_phy = INT_PHY;
  5887. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5888. vars->link_status &= ~LINK_UPDATE_MASK;
  5889. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5890. phy_index++) {
  5891. phy_vars[phy_index].flow_ctrl = 0;
  5892. phy_vars[phy_index].link_status = 0;
  5893. phy_vars[phy_index].line_speed = 0;
  5894. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5895. phy_vars[phy_index].phy_link_up = 0;
  5896. phy_vars[phy_index].link_up = 0;
  5897. phy_vars[phy_index].fault_detected = 0;
  5898. /* different consideration, since vars holds inner state */
  5899. phy_vars[phy_index].eee_status = vars->eee_status;
  5900. }
  5901. if (USES_WARPCORE(bp))
  5902. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5903. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5904. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5905. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5906. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5907. port*0x18) > 0);
  5908. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5909. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5910. is_mi_int,
  5911. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5912. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5913. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5914. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5915. /* Disable emac */
  5916. if (!CHIP_IS_E3(bp))
  5917. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5918. /* Step 1:
  5919. * Check external link change only for external phys, and apply
  5920. * priority selection between them in case the link on both phys
  5921. * is up. Note that instead of the common vars, a temporary
  5922. * vars argument is used since each phy may have different link/
  5923. * speed/duplex result
  5924. */
  5925. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5926. phy_index++) {
  5927. struct bnx2x_phy *phy = &params->phy[phy_index];
  5928. if (!phy->read_status)
  5929. continue;
  5930. /* Read link status and params of this ext phy */
  5931. cur_link_up = phy->read_status(phy, params,
  5932. &phy_vars[phy_index]);
  5933. if (cur_link_up) {
  5934. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5935. phy_index);
  5936. } else {
  5937. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5938. phy_index);
  5939. continue;
  5940. }
  5941. if (!ext_phy_link_up) {
  5942. ext_phy_link_up = 1;
  5943. active_external_phy = phy_index;
  5944. } else {
  5945. switch (bnx2x_phy_selection(params)) {
  5946. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5947. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5948. /* In this option, the first PHY makes sure to pass the
  5949. * traffic through itself only.
  5950. * Its not clear how to reset the link on the second phy
  5951. */
  5952. active_external_phy = EXT_PHY1;
  5953. break;
  5954. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5955. /* In this option, the first PHY makes sure to pass the
  5956. * traffic through the second PHY.
  5957. */
  5958. active_external_phy = EXT_PHY2;
  5959. break;
  5960. default:
  5961. /* Link indication on both PHYs with the following cases
  5962. * is invalid:
  5963. * - FIRST_PHY means that second phy wasn't initialized,
  5964. * hence its link is expected to be down
  5965. * - SECOND_PHY means that first phy should not be able
  5966. * to link up by itself (using configuration)
  5967. * - DEFAULT should be overriden during initialiazation
  5968. */
  5969. DP(NETIF_MSG_LINK, "Invalid link indication"
  5970. "mpc=0x%x. DISABLING LINK !!!\n",
  5971. params->multi_phy_config);
  5972. ext_phy_link_up = 0;
  5973. break;
  5974. }
  5975. }
  5976. }
  5977. prev_line_speed = vars->line_speed;
  5978. /* Step 2:
  5979. * Read the status of the internal phy. In case of
  5980. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5981. * otherwise this is the link between the 577xx and the first
  5982. * external phy
  5983. */
  5984. if (params->phy[INT_PHY].read_status)
  5985. params->phy[INT_PHY].read_status(
  5986. &params->phy[INT_PHY],
  5987. params, vars);
  5988. /* The INT_PHY flow control reside in the vars. This include the
  5989. * case where the speed or flow control are not set to AUTO.
  5990. * Otherwise, the active external phy flow control result is set
  5991. * to the vars. The ext_phy_line_speed is needed to check if the
  5992. * speed is different between the internal phy and external phy.
  5993. * This case may be result of intermediate link speed change.
  5994. */
  5995. if (active_external_phy > INT_PHY) {
  5996. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5997. /* Link speed is taken from the XGXS. AN and FC result from
  5998. * the external phy.
  5999. */
  6000. vars->link_status |= phy_vars[active_external_phy].link_status;
  6001. /* if active_external_phy is first PHY and link is up - disable
  6002. * disable TX on second external PHY
  6003. */
  6004. if (active_external_phy == EXT_PHY1) {
  6005. if (params->phy[EXT_PHY2].phy_specific_func) {
  6006. DP(NETIF_MSG_LINK,
  6007. "Disabling TX on EXT_PHY2\n");
  6008. params->phy[EXT_PHY2].phy_specific_func(
  6009. &params->phy[EXT_PHY2],
  6010. params, DISABLE_TX);
  6011. }
  6012. }
  6013. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  6014. vars->duplex = phy_vars[active_external_phy].duplex;
  6015. if (params->phy[active_external_phy].supported &
  6016. SUPPORTED_FIBRE)
  6017. vars->link_status |= LINK_STATUS_SERDES_LINK;
  6018. else
  6019. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  6020. vars->eee_status = phy_vars[active_external_phy].eee_status;
  6021. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  6022. active_external_phy);
  6023. }
  6024. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  6025. phy_index++) {
  6026. if (params->phy[phy_index].flags &
  6027. FLAGS_REARM_LATCH_SIGNAL) {
  6028. bnx2x_rearm_latch_signal(bp, port,
  6029. phy_index ==
  6030. active_external_phy);
  6031. break;
  6032. }
  6033. }
  6034. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  6035. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  6036. vars->link_status, ext_phy_line_speed);
  6037. /* Upon link speed change set the NIG into drain mode. Comes to
  6038. * deals with possible FIFO glitch due to clk change when speed
  6039. * is decreased without link down indicator
  6040. */
  6041. if (vars->phy_link_up) {
  6042. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  6043. (ext_phy_line_speed != vars->line_speed)) {
  6044. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  6045. " different than the external"
  6046. " link speed %d\n", vars->line_speed,
  6047. ext_phy_line_speed);
  6048. vars->phy_link_up = 0;
  6049. } else if (prev_line_speed != vars->line_speed) {
  6050. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  6051. 0);
  6052. usleep_range(1000, 2000);
  6053. }
  6054. }
  6055. /* Anything 10 and over uses the bmac */
  6056. link_10g_plus = (vars->line_speed >= SPEED_10000);
  6057. bnx2x_link_int_ack(params, vars, link_10g_plus);
  6058. /* In case external phy link is up, and internal link is down
  6059. * (not initialized yet probably after link initialization, it
  6060. * needs to be initialized.
  6061. * Note that after link down-up as result of cable plug, the xgxs
  6062. * link would probably become up again without the need
  6063. * initialize it
  6064. */
  6065. if (!(SINGLE_MEDIA_DIRECT(params))) {
  6066. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  6067. " init_preceding = %d\n", ext_phy_link_up,
  6068. vars->phy_link_up,
  6069. params->phy[EXT_PHY1].flags &
  6070. FLAGS_INIT_XGXS_FIRST);
  6071. if (!(params->phy[EXT_PHY1].flags &
  6072. FLAGS_INIT_XGXS_FIRST)
  6073. && ext_phy_link_up && !vars->phy_link_up) {
  6074. vars->line_speed = ext_phy_line_speed;
  6075. if (vars->line_speed < SPEED_1000)
  6076. vars->phy_flags |= PHY_SGMII_FLAG;
  6077. else
  6078. vars->phy_flags &= ~PHY_SGMII_FLAG;
  6079. if (params->phy[INT_PHY].config_init)
  6080. params->phy[INT_PHY].config_init(
  6081. &params->phy[INT_PHY], params,
  6082. vars);
  6083. }
  6084. }
  6085. /* Link is up only if both local phy and external phy (in case of
  6086. * non-direct board) are up and no fault detected on active PHY.
  6087. */
  6088. vars->link_up = (vars->phy_link_up &&
  6089. (ext_phy_link_up ||
  6090. SINGLE_MEDIA_DIRECT(params)) &&
  6091. (phy_vars[active_external_phy].fault_detected == 0));
  6092. /* Update the PFC configuration in case it was changed */
  6093. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  6094. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  6095. else
  6096. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  6097. if (vars->link_up)
  6098. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  6099. else
  6100. rc = bnx2x_update_link_down(params, vars);
  6101. /* Update MCP link status was changed */
  6102. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  6103. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  6104. return rc;
  6105. }
  6106. /*****************************************************************************/
  6107. /* External Phy section */
  6108. /*****************************************************************************/
  6109. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  6110. {
  6111. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6112. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6113. usleep_range(1000, 2000);
  6114. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6115. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6116. }
  6117. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6118. u32 spirom_ver, u32 ver_addr)
  6119. {
  6120. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6121. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6122. if (ver_addr)
  6123. REG_WR(bp, ver_addr, spirom_ver);
  6124. }
  6125. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6126. struct bnx2x_phy *phy,
  6127. u8 port)
  6128. {
  6129. u16 fw_ver1, fw_ver2;
  6130. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6131. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6132. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6133. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6134. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6135. phy->ver_addr);
  6136. }
  6137. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6138. struct bnx2x_phy *phy,
  6139. struct link_vars *vars)
  6140. {
  6141. u16 val;
  6142. bnx2x_cl45_read(bp, phy,
  6143. MDIO_AN_DEVAD,
  6144. MDIO_AN_REG_STATUS, &val);
  6145. bnx2x_cl45_read(bp, phy,
  6146. MDIO_AN_DEVAD,
  6147. MDIO_AN_REG_STATUS, &val);
  6148. if (val & (1<<5))
  6149. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6150. if ((val & (1<<0)) == 0)
  6151. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6152. }
  6153. /******************************************************************/
  6154. /* common BCM8073/BCM8727 PHY SECTION */
  6155. /******************************************************************/
  6156. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6157. struct link_params *params,
  6158. struct link_vars *vars)
  6159. {
  6160. struct bnx2x *bp = params->bp;
  6161. if (phy->req_line_speed == SPEED_10 ||
  6162. phy->req_line_speed == SPEED_100) {
  6163. vars->flow_ctrl = phy->req_flow_ctrl;
  6164. return;
  6165. }
  6166. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6167. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6168. u16 pause_result;
  6169. u16 ld_pause; /* local */
  6170. u16 lp_pause; /* link partner */
  6171. bnx2x_cl45_read(bp, phy,
  6172. MDIO_AN_DEVAD,
  6173. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6174. bnx2x_cl45_read(bp, phy,
  6175. MDIO_AN_DEVAD,
  6176. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6177. pause_result = (ld_pause &
  6178. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6179. pause_result |= (lp_pause &
  6180. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6181. bnx2x_pause_resolve(vars, pause_result);
  6182. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6183. pause_result);
  6184. }
  6185. }
  6186. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6187. struct bnx2x_phy *phy,
  6188. u8 port)
  6189. {
  6190. u32 count = 0;
  6191. u16 fw_ver1, fw_msgout;
  6192. int rc = 0;
  6193. /* Boot port from external ROM */
  6194. /* EDC grst */
  6195. bnx2x_cl45_write(bp, phy,
  6196. MDIO_PMA_DEVAD,
  6197. MDIO_PMA_REG_GEN_CTRL,
  6198. 0x0001);
  6199. /* Ucode reboot and rst */
  6200. bnx2x_cl45_write(bp, phy,
  6201. MDIO_PMA_DEVAD,
  6202. MDIO_PMA_REG_GEN_CTRL,
  6203. 0x008c);
  6204. bnx2x_cl45_write(bp, phy,
  6205. MDIO_PMA_DEVAD,
  6206. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6207. /* Reset internal microprocessor */
  6208. bnx2x_cl45_write(bp, phy,
  6209. MDIO_PMA_DEVAD,
  6210. MDIO_PMA_REG_GEN_CTRL,
  6211. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6212. /* Release srst bit */
  6213. bnx2x_cl45_write(bp, phy,
  6214. MDIO_PMA_DEVAD,
  6215. MDIO_PMA_REG_GEN_CTRL,
  6216. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6217. /* Delay 100ms per the PHY specifications */
  6218. msleep(100);
  6219. /* 8073 sometimes taking longer to download */
  6220. do {
  6221. count++;
  6222. if (count > 300) {
  6223. DP(NETIF_MSG_LINK,
  6224. "bnx2x_8073_8727_external_rom_boot port %x:"
  6225. "Download failed. fw version = 0x%x\n",
  6226. port, fw_ver1);
  6227. rc = -EINVAL;
  6228. break;
  6229. }
  6230. bnx2x_cl45_read(bp, phy,
  6231. MDIO_PMA_DEVAD,
  6232. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6233. bnx2x_cl45_read(bp, phy,
  6234. MDIO_PMA_DEVAD,
  6235. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6236. usleep_range(1000, 2000);
  6237. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6238. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6239. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6240. /* Clear ser_boot_ctl bit */
  6241. bnx2x_cl45_write(bp, phy,
  6242. MDIO_PMA_DEVAD,
  6243. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6244. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6245. DP(NETIF_MSG_LINK,
  6246. "bnx2x_8073_8727_external_rom_boot port %x:"
  6247. "Download complete. fw version = 0x%x\n",
  6248. port, fw_ver1);
  6249. return rc;
  6250. }
  6251. /******************************************************************/
  6252. /* BCM8073 PHY SECTION */
  6253. /******************************************************************/
  6254. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6255. {
  6256. /* This is only required for 8073A1, version 102 only */
  6257. u16 val;
  6258. /* Read 8073 HW revision*/
  6259. bnx2x_cl45_read(bp, phy,
  6260. MDIO_PMA_DEVAD,
  6261. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6262. if (val != 1) {
  6263. /* No need to workaround in 8073 A1 */
  6264. return 0;
  6265. }
  6266. bnx2x_cl45_read(bp, phy,
  6267. MDIO_PMA_DEVAD,
  6268. MDIO_PMA_REG_ROM_VER2, &val);
  6269. /* SNR should be applied only for version 0x102 */
  6270. if (val != 0x102)
  6271. return 0;
  6272. return 1;
  6273. }
  6274. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6275. {
  6276. u16 val, cnt, cnt1 ;
  6277. bnx2x_cl45_read(bp, phy,
  6278. MDIO_PMA_DEVAD,
  6279. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6280. if (val > 0) {
  6281. /* No need to workaround in 8073 A1 */
  6282. return 0;
  6283. }
  6284. /* XAUI workaround in 8073 A0: */
  6285. /* After loading the boot ROM and restarting Autoneg, poll
  6286. * Dev1, Reg $C820:
  6287. */
  6288. for (cnt = 0; cnt < 1000; cnt++) {
  6289. bnx2x_cl45_read(bp, phy,
  6290. MDIO_PMA_DEVAD,
  6291. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6292. &val);
  6293. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6294. * system initialization (XAUI work-around not required, as
  6295. * these bits indicate 2.5G or 1G link up).
  6296. */
  6297. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6298. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6299. return 0;
  6300. } else if (!(val & (1<<15))) {
  6301. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6302. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6303. * MSB (bit15) goes to 1 (indicating that the XAUI
  6304. * workaround has completed), then continue on with
  6305. * system initialization.
  6306. */
  6307. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6308. bnx2x_cl45_read(bp, phy,
  6309. MDIO_PMA_DEVAD,
  6310. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6311. if (val & (1<<15)) {
  6312. DP(NETIF_MSG_LINK,
  6313. "XAUI workaround has completed\n");
  6314. return 0;
  6315. }
  6316. usleep_range(3000, 6000);
  6317. }
  6318. break;
  6319. }
  6320. usleep_range(3000, 6000);
  6321. }
  6322. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6323. return -EINVAL;
  6324. }
  6325. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6326. {
  6327. /* Force KR or KX */
  6328. bnx2x_cl45_write(bp, phy,
  6329. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6330. bnx2x_cl45_write(bp, phy,
  6331. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6332. bnx2x_cl45_write(bp, phy,
  6333. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6334. bnx2x_cl45_write(bp, phy,
  6335. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6336. }
  6337. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6338. struct bnx2x_phy *phy,
  6339. struct link_vars *vars)
  6340. {
  6341. u16 cl37_val;
  6342. struct bnx2x *bp = params->bp;
  6343. bnx2x_cl45_read(bp, phy,
  6344. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6345. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6346. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6347. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6348. if ((vars->ieee_fc &
  6349. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6350. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6351. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6352. }
  6353. if ((vars->ieee_fc &
  6354. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6355. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6356. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6357. }
  6358. if ((vars->ieee_fc &
  6359. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6360. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6361. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6362. }
  6363. DP(NETIF_MSG_LINK,
  6364. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6365. bnx2x_cl45_write(bp, phy,
  6366. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6367. msleep(500);
  6368. }
  6369. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6370. struct link_params *params,
  6371. u32 action)
  6372. {
  6373. struct bnx2x *bp = params->bp;
  6374. switch (action) {
  6375. case PHY_INIT:
  6376. /* Enable LASI */
  6377. bnx2x_cl45_write(bp, phy,
  6378. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6379. bnx2x_cl45_write(bp, phy,
  6380. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6381. break;
  6382. }
  6383. }
  6384. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6385. struct link_params *params,
  6386. struct link_vars *vars)
  6387. {
  6388. struct bnx2x *bp = params->bp;
  6389. u16 val = 0, tmp1;
  6390. u8 gpio_port;
  6391. DP(NETIF_MSG_LINK, "Init 8073\n");
  6392. if (CHIP_IS_E2(bp))
  6393. gpio_port = BP_PATH(bp);
  6394. else
  6395. gpio_port = params->port;
  6396. /* Restore normal power mode*/
  6397. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6398. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6399. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6400. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6401. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6402. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6403. bnx2x_cl45_read(bp, phy,
  6404. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6405. bnx2x_cl45_read(bp, phy,
  6406. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6407. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6408. /* Swap polarity if required - Must be done only in non-1G mode */
  6409. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6410. /* Configure the 8073 to swap _P and _N of the KR lines */
  6411. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6412. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6413. bnx2x_cl45_read(bp, phy,
  6414. MDIO_PMA_DEVAD,
  6415. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6416. bnx2x_cl45_write(bp, phy,
  6417. MDIO_PMA_DEVAD,
  6418. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6419. (val | (3<<9)));
  6420. }
  6421. /* Enable CL37 BAM */
  6422. if (REG_RD(bp, params->shmem_base +
  6423. offsetof(struct shmem_region, dev_info.
  6424. port_hw_config[params->port].default_cfg)) &
  6425. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6426. bnx2x_cl45_read(bp, phy,
  6427. MDIO_AN_DEVAD,
  6428. MDIO_AN_REG_8073_BAM, &val);
  6429. bnx2x_cl45_write(bp, phy,
  6430. MDIO_AN_DEVAD,
  6431. MDIO_AN_REG_8073_BAM, val | 1);
  6432. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6433. }
  6434. if (params->loopback_mode == LOOPBACK_EXT) {
  6435. bnx2x_807x_force_10G(bp, phy);
  6436. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6437. return 0;
  6438. } else {
  6439. bnx2x_cl45_write(bp, phy,
  6440. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6441. }
  6442. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6443. if (phy->req_line_speed == SPEED_10000) {
  6444. val = (1<<7);
  6445. } else if (phy->req_line_speed == SPEED_2500) {
  6446. val = (1<<5);
  6447. /* Note that 2.5G works only when used with 1G
  6448. * advertisement
  6449. */
  6450. } else
  6451. val = (1<<5);
  6452. } else {
  6453. val = 0;
  6454. if (phy->speed_cap_mask &
  6455. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6456. val |= (1<<7);
  6457. /* Note that 2.5G works only when used with 1G advertisement */
  6458. if (phy->speed_cap_mask &
  6459. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6460. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6461. val |= (1<<5);
  6462. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6463. }
  6464. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6465. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6466. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6467. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6468. (phy->req_line_speed == SPEED_2500)) {
  6469. u16 phy_ver;
  6470. /* Allow 2.5G for A1 and above */
  6471. bnx2x_cl45_read(bp, phy,
  6472. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6473. &phy_ver);
  6474. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6475. if (phy_ver > 0)
  6476. tmp1 |= 1;
  6477. else
  6478. tmp1 &= 0xfffe;
  6479. } else {
  6480. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6481. tmp1 &= 0xfffe;
  6482. }
  6483. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6484. /* Add support for CL37 (passive mode) II */
  6485. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6486. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6487. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6488. 0x20 : 0x40)));
  6489. /* Add support for CL37 (passive mode) III */
  6490. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6491. /* The SNR will improve about 2db by changing BW and FEE main
  6492. * tap. Rest commands are executed after link is up
  6493. * Change FFE main cursor to 5 in EDC register
  6494. */
  6495. if (bnx2x_8073_is_snr_needed(bp, phy))
  6496. bnx2x_cl45_write(bp, phy,
  6497. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6498. 0xFB0C);
  6499. /* Enable FEC (Forware Error Correction) Request in the AN */
  6500. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6501. tmp1 |= (1<<15);
  6502. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6503. bnx2x_ext_phy_set_pause(params, phy, vars);
  6504. /* Restart autoneg */
  6505. msleep(500);
  6506. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6507. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6508. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6509. return 0;
  6510. }
  6511. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6512. struct link_params *params,
  6513. struct link_vars *vars)
  6514. {
  6515. struct bnx2x *bp = params->bp;
  6516. u8 link_up = 0;
  6517. u16 val1, val2;
  6518. u16 link_status = 0;
  6519. u16 an1000_status = 0;
  6520. bnx2x_cl45_read(bp, phy,
  6521. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6522. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6523. /* Clear the interrupt LASI status register */
  6524. bnx2x_cl45_read(bp, phy,
  6525. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6526. bnx2x_cl45_read(bp, phy,
  6527. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6528. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6529. /* Clear MSG-OUT */
  6530. bnx2x_cl45_read(bp, phy,
  6531. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6532. /* Check the LASI */
  6533. bnx2x_cl45_read(bp, phy,
  6534. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6535. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6536. /* Check the link status */
  6537. bnx2x_cl45_read(bp, phy,
  6538. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6539. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6540. bnx2x_cl45_read(bp, phy,
  6541. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6542. bnx2x_cl45_read(bp, phy,
  6543. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6544. link_up = ((val1 & 4) == 4);
  6545. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6546. if (link_up &&
  6547. ((phy->req_line_speed != SPEED_10000))) {
  6548. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6549. return 0;
  6550. }
  6551. bnx2x_cl45_read(bp, phy,
  6552. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6553. bnx2x_cl45_read(bp, phy,
  6554. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6555. /* Check the link status on 1.1.2 */
  6556. bnx2x_cl45_read(bp, phy,
  6557. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6558. bnx2x_cl45_read(bp, phy,
  6559. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6560. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6561. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6562. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6563. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6564. /* The SNR will improve about 2dbby changing the BW and FEE main
  6565. * tap. The 1st write to change FFE main tap is set before
  6566. * restart AN. Change PLL Bandwidth in EDC register
  6567. */
  6568. bnx2x_cl45_write(bp, phy,
  6569. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6570. 0x26BC);
  6571. /* Change CDR Bandwidth in EDC register */
  6572. bnx2x_cl45_write(bp, phy,
  6573. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6574. 0x0333);
  6575. }
  6576. bnx2x_cl45_read(bp, phy,
  6577. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6578. &link_status);
  6579. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6580. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6581. link_up = 1;
  6582. vars->line_speed = SPEED_10000;
  6583. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6584. params->port);
  6585. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6586. link_up = 1;
  6587. vars->line_speed = SPEED_2500;
  6588. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6589. params->port);
  6590. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6591. link_up = 1;
  6592. vars->line_speed = SPEED_1000;
  6593. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6594. params->port);
  6595. } else {
  6596. link_up = 0;
  6597. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6598. params->port);
  6599. }
  6600. if (link_up) {
  6601. /* Swap polarity if required */
  6602. if (params->lane_config &
  6603. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6604. /* Configure the 8073 to swap P and N of the KR lines */
  6605. bnx2x_cl45_read(bp, phy,
  6606. MDIO_XS_DEVAD,
  6607. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6608. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6609. * when it`s in 10G mode.
  6610. */
  6611. if (vars->line_speed == SPEED_1000) {
  6612. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6613. "the 8073\n");
  6614. val1 |= (1<<3);
  6615. } else
  6616. val1 &= ~(1<<3);
  6617. bnx2x_cl45_write(bp, phy,
  6618. MDIO_XS_DEVAD,
  6619. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6620. val1);
  6621. }
  6622. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6623. bnx2x_8073_resolve_fc(phy, params, vars);
  6624. vars->duplex = DUPLEX_FULL;
  6625. }
  6626. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6627. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6628. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6629. if (val1 & (1<<5))
  6630. vars->link_status |=
  6631. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6632. if (val1 & (1<<7))
  6633. vars->link_status |=
  6634. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6635. }
  6636. return link_up;
  6637. }
  6638. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6639. struct link_params *params)
  6640. {
  6641. struct bnx2x *bp = params->bp;
  6642. u8 gpio_port;
  6643. if (CHIP_IS_E2(bp))
  6644. gpio_port = BP_PATH(bp);
  6645. else
  6646. gpio_port = params->port;
  6647. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6648. gpio_port);
  6649. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6650. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6651. gpio_port);
  6652. }
  6653. /******************************************************************/
  6654. /* BCM8705 PHY SECTION */
  6655. /******************************************************************/
  6656. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6657. struct link_params *params,
  6658. struct link_vars *vars)
  6659. {
  6660. struct bnx2x *bp = params->bp;
  6661. DP(NETIF_MSG_LINK, "init 8705\n");
  6662. /* Restore normal power mode*/
  6663. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6664. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6665. /* HW reset */
  6666. bnx2x_ext_phy_hw_reset(bp, params->port);
  6667. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6668. bnx2x_wait_reset_complete(bp, phy, params);
  6669. bnx2x_cl45_write(bp, phy,
  6670. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6671. bnx2x_cl45_write(bp, phy,
  6672. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6673. bnx2x_cl45_write(bp, phy,
  6674. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6675. bnx2x_cl45_write(bp, phy,
  6676. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6677. /* BCM8705 doesn't have microcode, hence the 0 */
  6678. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6679. return 0;
  6680. }
  6681. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6682. struct link_params *params,
  6683. struct link_vars *vars)
  6684. {
  6685. u8 link_up = 0;
  6686. u16 val1, rx_sd;
  6687. struct bnx2x *bp = params->bp;
  6688. DP(NETIF_MSG_LINK, "read status 8705\n");
  6689. bnx2x_cl45_read(bp, phy,
  6690. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6691. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6692. bnx2x_cl45_read(bp, phy,
  6693. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6694. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6695. bnx2x_cl45_read(bp, phy,
  6696. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6697. bnx2x_cl45_read(bp, phy,
  6698. MDIO_PMA_DEVAD, 0xc809, &val1);
  6699. bnx2x_cl45_read(bp, phy,
  6700. MDIO_PMA_DEVAD, 0xc809, &val1);
  6701. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6702. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6703. if (link_up) {
  6704. vars->line_speed = SPEED_10000;
  6705. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6706. }
  6707. return link_up;
  6708. }
  6709. /******************************************************************/
  6710. /* SFP+ module Section */
  6711. /******************************************************************/
  6712. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6713. struct bnx2x_phy *phy,
  6714. u8 pmd_dis)
  6715. {
  6716. struct bnx2x *bp = params->bp;
  6717. /* Disable transmitter only for bootcodes which can enable it afterwards
  6718. * (for D3 link)
  6719. */
  6720. if (pmd_dis) {
  6721. if (params->feature_config_flags &
  6722. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6723. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6724. else {
  6725. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6726. return;
  6727. }
  6728. } else
  6729. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6730. bnx2x_cl45_write(bp, phy,
  6731. MDIO_PMA_DEVAD,
  6732. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6733. }
  6734. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6735. {
  6736. u8 gpio_port;
  6737. u32 swap_val, swap_override;
  6738. struct bnx2x *bp = params->bp;
  6739. if (CHIP_IS_E2(bp))
  6740. gpio_port = BP_PATH(bp);
  6741. else
  6742. gpio_port = params->port;
  6743. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6744. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6745. return gpio_port ^ (swap_val && swap_override);
  6746. }
  6747. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6748. struct bnx2x_phy *phy,
  6749. u8 tx_en)
  6750. {
  6751. u16 val;
  6752. u8 port = params->port;
  6753. struct bnx2x *bp = params->bp;
  6754. u32 tx_en_mode;
  6755. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6756. tx_en_mode = REG_RD(bp, params->shmem_base +
  6757. offsetof(struct shmem_region,
  6758. dev_info.port_hw_config[port].sfp_ctrl)) &
  6759. PORT_HW_CFG_TX_LASER_MASK;
  6760. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6761. "mode = %x\n", tx_en, port, tx_en_mode);
  6762. switch (tx_en_mode) {
  6763. case PORT_HW_CFG_TX_LASER_MDIO:
  6764. bnx2x_cl45_read(bp, phy,
  6765. MDIO_PMA_DEVAD,
  6766. MDIO_PMA_REG_PHY_IDENTIFIER,
  6767. &val);
  6768. if (tx_en)
  6769. val &= ~(1<<15);
  6770. else
  6771. val |= (1<<15);
  6772. bnx2x_cl45_write(bp, phy,
  6773. MDIO_PMA_DEVAD,
  6774. MDIO_PMA_REG_PHY_IDENTIFIER,
  6775. val);
  6776. break;
  6777. case PORT_HW_CFG_TX_LASER_GPIO0:
  6778. case PORT_HW_CFG_TX_LASER_GPIO1:
  6779. case PORT_HW_CFG_TX_LASER_GPIO2:
  6780. case PORT_HW_CFG_TX_LASER_GPIO3:
  6781. {
  6782. u16 gpio_pin;
  6783. u8 gpio_port, gpio_mode;
  6784. if (tx_en)
  6785. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6786. else
  6787. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6788. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6789. gpio_port = bnx2x_get_gpio_port(params);
  6790. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6791. break;
  6792. }
  6793. default:
  6794. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6795. break;
  6796. }
  6797. }
  6798. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6799. struct bnx2x_phy *phy,
  6800. u8 tx_en)
  6801. {
  6802. struct bnx2x *bp = params->bp;
  6803. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6804. if (CHIP_IS_E3(bp))
  6805. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6806. else
  6807. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6808. }
  6809. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6810. struct link_params *params,
  6811. u16 addr, u8 byte_cnt, u8 *o_buf)
  6812. {
  6813. struct bnx2x *bp = params->bp;
  6814. u16 val = 0;
  6815. u16 i;
  6816. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6817. DP(NETIF_MSG_LINK,
  6818. "Reading from eeprom is limited to 0xf\n");
  6819. return -EINVAL;
  6820. }
  6821. /* Set the read command byte count */
  6822. bnx2x_cl45_write(bp, phy,
  6823. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6824. (byte_cnt | 0xa000));
  6825. /* Set the read command address */
  6826. bnx2x_cl45_write(bp, phy,
  6827. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6828. addr);
  6829. /* Activate read command */
  6830. bnx2x_cl45_write(bp, phy,
  6831. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6832. 0x2c0f);
  6833. /* Wait up to 500us for command complete status */
  6834. for (i = 0; i < 100; i++) {
  6835. bnx2x_cl45_read(bp, phy,
  6836. MDIO_PMA_DEVAD,
  6837. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6838. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6839. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6840. break;
  6841. udelay(5);
  6842. }
  6843. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6844. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6845. DP(NETIF_MSG_LINK,
  6846. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6847. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6848. return -EINVAL;
  6849. }
  6850. /* Read the buffer */
  6851. for (i = 0; i < byte_cnt; i++) {
  6852. bnx2x_cl45_read(bp, phy,
  6853. MDIO_PMA_DEVAD,
  6854. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6855. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6856. }
  6857. for (i = 0; i < 100; i++) {
  6858. bnx2x_cl45_read(bp, phy,
  6859. MDIO_PMA_DEVAD,
  6860. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6861. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6862. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6863. return 0;
  6864. usleep_range(1000, 2000);
  6865. }
  6866. return -EINVAL;
  6867. }
  6868. static void bnx2x_warpcore_power_module(struct link_params *params,
  6869. u8 power)
  6870. {
  6871. u32 pin_cfg;
  6872. struct bnx2x *bp = params->bp;
  6873. pin_cfg = (REG_RD(bp, params->shmem_base +
  6874. offsetof(struct shmem_region,
  6875. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6876. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6877. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6878. if (pin_cfg == PIN_CFG_NA)
  6879. return;
  6880. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6881. power, pin_cfg);
  6882. /* Low ==> corresponding SFP+ module is powered
  6883. * high ==> the SFP+ module is powered down
  6884. */
  6885. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6886. }
  6887. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6888. struct link_params *params,
  6889. u16 addr, u8 byte_cnt,
  6890. u8 *o_buf, u8 is_init)
  6891. {
  6892. int rc = 0;
  6893. u8 i, j = 0, cnt = 0;
  6894. u32 data_array[4];
  6895. u16 addr32;
  6896. struct bnx2x *bp = params->bp;
  6897. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6898. DP(NETIF_MSG_LINK,
  6899. "Reading from eeprom is limited to 16 bytes\n");
  6900. return -EINVAL;
  6901. }
  6902. /* 4 byte aligned address */
  6903. addr32 = addr & (~0x3);
  6904. do {
  6905. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6906. bnx2x_warpcore_power_module(params, 0);
  6907. /* Note that 100us are not enough here */
  6908. usleep_range(1000, 2000);
  6909. bnx2x_warpcore_power_module(params, 1);
  6910. }
  6911. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6912. data_array);
  6913. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6914. if (rc == 0) {
  6915. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6916. o_buf[j] = *((u8 *)data_array + i);
  6917. j++;
  6918. }
  6919. }
  6920. return rc;
  6921. }
  6922. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6923. struct link_params *params,
  6924. u16 addr, u8 byte_cnt, u8 *o_buf)
  6925. {
  6926. struct bnx2x *bp = params->bp;
  6927. u16 val, i;
  6928. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6929. DP(NETIF_MSG_LINK,
  6930. "Reading from eeprom is limited to 0xf\n");
  6931. return -EINVAL;
  6932. }
  6933. /* Need to read from 1.8000 to clear it */
  6934. bnx2x_cl45_read(bp, phy,
  6935. MDIO_PMA_DEVAD,
  6936. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6937. &val);
  6938. /* Set the read command byte count */
  6939. bnx2x_cl45_write(bp, phy,
  6940. MDIO_PMA_DEVAD,
  6941. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6942. ((byte_cnt < 2) ? 2 : byte_cnt));
  6943. /* Set the read command address */
  6944. bnx2x_cl45_write(bp, phy,
  6945. MDIO_PMA_DEVAD,
  6946. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6947. addr);
  6948. /* Set the destination address */
  6949. bnx2x_cl45_write(bp, phy,
  6950. MDIO_PMA_DEVAD,
  6951. 0x8004,
  6952. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6953. /* Activate read command */
  6954. bnx2x_cl45_write(bp, phy,
  6955. MDIO_PMA_DEVAD,
  6956. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6957. 0x8002);
  6958. /* Wait appropriate time for two-wire command to finish before
  6959. * polling the status register
  6960. */
  6961. usleep_range(1000, 2000);
  6962. /* Wait up to 500us for command complete status */
  6963. for (i = 0; i < 100; i++) {
  6964. bnx2x_cl45_read(bp, phy,
  6965. MDIO_PMA_DEVAD,
  6966. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6967. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6968. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6969. break;
  6970. udelay(5);
  6971. }
  6972. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6973. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6974. DP(NETIF_MSG_LINK,
  6975. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6976. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6977. return -EFAULT;
  6978. }
  6979. /* Read the buffer */
  6980. for (i = 0; i < byte_cnt; i++) {
  6981. bnx2x_cl45_read(bp, phy,
  6982. MDIO_PMA_DEVAD,
  6983. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6984. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6985. }
  6986. for (i = 0; i < 100; i++) {
  6987. bnx2x_cl45_read(bp, phy,
  6988. MDIO_PMA_DEVAD,
  6989. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6990. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6991. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6992. return 0;
  6993. usleep_range(1000, 2000);
  6994. }
  6995. return -EINVAL;
  6996. }
  6997. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6998. struct link_params *params, u16 addr,
  6999. u8 byte_cnt, u8 *o_buf)
  7000. {
  7001. int rc = -EOPNOTSUPP;
  7002. switch (phy->type) {
  7003. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7004. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  7005. byte_cnt, o_buf);
  7006. break;
  7007. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7008. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7009. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  7010. byte_cnt, o_buf);
  7011. break;
  7012. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7013. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  7014. byte_cnt, o_buf, 0);
  7015. break;
  7016. }
  7017. return rc;
  7018. }
  7019. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  7020. struct link_params *params,
  7021. u16 *edc_mode)
  7022. {
  7023. struct bnx2x *bp = params->bp;
  7024. u32 sync_offset = 0, phy_idx, media_types;
  7025. u8 gport, val[2], check_limiting_mode = 0;
  7026. *edc_mode = EDC_MODE_LIMITING;
  7027. phy->media_type = ETH_PHY_UNSPECIFIED;
  7028. /* First check for copper cable */
  7029. if (bnx2x_read_sfp_module_eeprom(phy,
  7030. params,
  7031. SFP_EEPROM_CON_TYPE_ADDR,
  7032. 2,
  7033. (u8 *)val) != 0) {
  7034. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  7035. return -EINVAL;
  7036. }
  7037. switch (val[0]) {
  7038. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  7039. {
  7040. u8 copper_module_type;
  7041. phy->media_type = ETH_PHY_DA_TWINAX;
  7042. /* Check if its active cable (includes SFP+ module)
  7043. * of passive cable
  7044. */
  7045. if (bnx2x_read_sfp_module_eeprom(phy,
  7046. params,
  7047. SFP_EEPROM_FC_TX_TECH_ADDR,
  7048. 1,
  7049. &copper_module_type) != 0) {
  7050. DP(NETIF_MSG_LINK,
  7051. "Failed to read copper-cable-type"
  7052. " from SFP+ EEPROM\n");
  7053. return -EINVAL;
  7054. }
  7055. if (copper_module_type &
  7056. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  7057. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  7058. check_limiting_mode = 1;
  7059. } else if (copper_module_type &
  7060. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  7061. DP(NETIF_MSG_LINK,
  7062. "Passive Copper cable detected\n");
  7063. *edc_mode =
  7064. EDC_MODE_PASSIVE_DAC;
  7065. } else {
  7066. DP(NETIF_MSG_LINK,
  7067. "Unknown copper-cable-type 0x%x !!!\n",
  7068. copper_module_type);
  7069. return -EINVAL;
  7070. }
  7071. break;
  7072. }
  7073. case SFP_EEPROM_CON_TYPE_VAL_LC:
  7074. check_limiting_mode = 1;
  7075. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  7076. SFP_EEPROM_COMP_CODE_LR_MASK |
  7077. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  7078. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  7079. gport = params->port;
  7080. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  7081. phy->req_line_speed = SPEED_1000;
  7082. if (!CHIP_IS_E1x(bp))
  7083. gport = BP_PATH(bp) + (params->port << 1);
  7084. netdev_err(bp->dev, "Warning: Link speed was forced to 1000Mbps."
  7085. " Current SFP module in port %d is not"
  7086. " compliant with 10G Ethernet\n",
  7087. gport);
  7088. } else {
  7089. int idx, cfg_idx = 0;
  7090. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  7091. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  7092. if (params->phy[idx].type == phy->type) {
  7093. cfg_idx = LINK_CONFIG_IDX(idx);
  7094. break;
  7095. }
  7096. }
  7097. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  7098. phy->req_line_speed = params->req_line_speed[cfg_idx];
  7099. }
  7100. break;
  7101. default:
  7102. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  7103. val[0]);
  7104. return -EINVAL;
  7105. }
  7106. sync_offset = params->shmem_base +
  7107. offsetof(struct shmem_region,
  7108. dev_info.port_hw_config[params->port].media_type);
  7109. media_types = REG_RD(bp, sync_offset);
  7110. /* Update media type for non-PMF sync */
  7111. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  7112. if (&(params->phy[phy_idx]) == phy) {
  7113. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  7114. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7115. media_types |= ((phy->media_type &
  7116. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  7117. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  7118. break;
  7119. }
  7120. }
  7121. REG_WR(bp, sync_offset, media_types);
  7122. if (check_limiting_mode) {
  7123. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  7124. if (bnx2x_read_sfp_module_eeprom(phy,
  7125. params,
  7126. SFP_EEPROM_OPTIONS_ADDR,
  7127. SFP_EEPROM_OPTIONS_SIZE,
  7128. options) != 0) {
  7129. DP(NETIF_MSG_LINK,
  7130. "Failed to read Option field from module EEPROM\n");
  7131. return -EINVAL;
  7132. }
  7133. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  7134. *edc_mode = EDC_MODE_LINEAR;
  7135. else
  7136. *edc_mode = EDC_MODE_LIMITING;
  7137. }
  7138. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  7139. return 0;
  7140. }
  7141. /* This function read the relevant field from the module (SFP+), and verify it
  7142. * is compliant with this board
  7143. */
  7144. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  7145. struct link_params *params)
  7146. {
  7147. struct bnx2x *bp = params->bp;
  7148. u32 val, cmd;
  7149. u32 fw_resp, fw_cmd_param;
  7150. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  7151. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  7152. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  7153. val = REG_RD(bp, params->shmem_base +
  7154. offsetof(struct shmem_region, dev_info.
  7155. port_feature_config[params->port].config));
  7156. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7157. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  7158. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  7159. return 0;
  7160. }
  7161. if (params->feature_config_flags &
  7162. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  7163. /* Use specific phy request */
  7164. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  7165. } else if (params->feature_config_flags &
  7166. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  7167. /* Use first phy request only in case of non-dual media*/
  7168. if (DUAL_MEDIA(params)) {
  7169. DP(NETIF_MSG_LINK,
  7170. "FW does not support OPT MDL verification\n");
  7171. return -EINVAL;
  7172. }
  7173. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7174. } else {
  7175. /* No support in OPT MDL detection */
  7176. DP(NETIF_MSG_LINK,
  7177. "FW does not support OPT MDL verification\n");
  7178. return -EINVAL;
  7179. }
  7180. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7181. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7182. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7183. DP(NETIF_MSG_LINK, "Approved module\n");
  7184. return 0;
  7185. }
  7186. /* Format the warning message */
  7187. if (bnx2x_read_sfp_module_eeprom(phy,
  7188. params,
  7189. SFP_EEPROM_VENDOR_NAME_ADDR,
  7190. SFP_EEPROM_VENDOR_NAME_SIZE,
  7191. (u8 *)vendor_name))
  7192. vendor_name[0] = '\0';
  7193. else
  7194. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7195. if (bnx2x_read_sfp_module_eeprom(phy,
  7196. params,
  7197. SFP_EEPROM_PART_NO_ADDR,
  7198. SFP_EEPROM_PART_NO_SIZE,
  7199. (u8 *)vendor_pn))
  7200. vendor_pn[0] = '\0';
  7201. else
  7202. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7203. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7204. " Port %d from %s part number %s\n",
  7205. params->port, vendor_name, vendor_pn);
  7206. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7207. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7208. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7209. return -EINVAL;
  7210. }
  7211. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7212. struct link_params *params)
  7213. {
  7214. u8 val;
  7215. int rc;
  7216. struct bnx2x *bp = params->bp;
  7217. u16 timeout;
  7218. /* Initialization time after hot-plug may take up to 300ms for
  7219. * some phys type ( e.g. JDSU )
  7220. */
  7221. for (timeout = 0; timeout < 60; timeout++) {
  7222. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7223. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
  7224. params, 1,
  7225. 1, &val, 1);
  7226. else
  7227. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
  7228. &val);
  7229. if (rc == 0) {
  7230. DP(NETIF_MSG_LINK,
  7231. "SFP+ module initialization took %d ms\n",
  7232. timeout * 5);
  7233. return 0;
  7234. }
  7235. usleep_range(5000, 10000);
  7236. }
  7237. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
  7238. return rc;
  7239. }
  7240. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7241. struct bnx2x_phy *phy,
  7242. u8 is_power_up) {
  7243. /* Make sure GPIOs are not using for LED mode */
  7244. u16 val;
  7245. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7246. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7247. * output
  7248. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7249. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7250. * where the 1st bit is the over-current(only input), and 2nd bit is
  7251. * for power( only output )
  7252. *
  7253. * In case of NOC feature is disabled and power is up, set GPIO control
  7254. * as input to enable listening of over-current indication
  7255. */
  7256. if (phy->flags & FLAGS_NOC)
  7257. return;
  7258. if (is_power_up)
  7259. val = (1<<4);
  7260. else
  7261. /* Set GPIO control to OUTPUT, and set the power bit
  7262. * to according to the is_power_up
  7263. */
  7264. val = (1<<1);
  7265. bnx2x_cl45_write(bp, phy,
  7266. MDIO_PMA_DEVAD,
  7267. MDIO_PMA_REG_8727_GPIO_CTRL,
  7268. val);
  7269. }
  7270. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7271. struct bnx2x_phy *phy,
  7272. u16 edc_mode)
  7273. {
  7274. u16 cur_limiting_mode;
  7275. bnx2x_cl45_read(bp, phy,
  7276. MDIO_PMA_DEVAD,
  7277. MDIO_PMA_REG_ROM_VER2,
  7278. &cur_limiting_mode);
  7279. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7280. cur_limiting_mode);
  7281. if (edc_mode == EDC_MODE_LIMITING) {
  7282. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7283. bnx2x_cl45_write(bp, phy,
  7284. MDIO_PMA_DEVAD,
  7285. MDIO_PMA_REG_ROM_VER2,
  7286. EDC_MODE_LIMITING);
  7287. } else { /* LRM mode ( default )*/
  7288. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7289. /* Changing to LRM mode takes quite few seconds. So do it only
  7290. * if current mode is limiting (default is LRM)
  7291. */
  7292. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7293. return 0;
  7294. bnx2x_cl45_write(bp, phy,
  7295. MDIO_PMA_DEVAD,
  7296. MDIO_PMA_REG_LRM_MODE,
  7297. 0);
  7298. bnx2x_cl45_write(bp, phy,
  7299. MDIO_PMA_DEVAD,
  7300. MDIO_PMA_REG_ROM_VER2,
  7301. 0x128);
  7302. bnx2x_cl45_write(bp, phy,
  7303. MDIO_PMA_DEVAD,
  7304. MDIO_PMA_REG_MISC_CTRL0,
  7305. 0x4008);
  7306. bnx2x_cl45_write(bp, phy,
  7307. MDIO_PMA_DEVAD,
  7308. MDIO_PMA_REG_LRM_MODE,
  7309. 0xaaaa);
  7310. }
  7311. return 0;
  7312. }
  7313. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7314. struct bnx2x_phy *phy,
  7315. u16 edc_mode)
  7316. {
  7317. u16 phy_identifier;
  7318. u16 rom_ver2_val;
  7319. bnx2x_cl45_read(bp, phy,
  7320. MDIO_PMA_DEVAD,
  7321. MDIO_PMA_REG_PHY_IDENTIFIER,
  7322. &phy_identifier);
  7323. bnx2x_cl45_write(bp, phy,
  7324. MDIO_PMA_DEVAD,
  7325. MDIO_PMA_REG_PHY_IDENTIFIER,
  7326. (phy_identifier & ~(1<<9)));
  7327. bnx2x_cl45_read(bp, phy,
  7328. MDIO_PMA_DEVAD,
  7329. MDIO_PMA_REG_ROM_VER2,
  7330. &rom_ver2_val);
  7331. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7332. bnx2x_cl45_write(bp, phy,
  7333. MDIO_PMA_DEVAD,
  7334. MDIO_PMA_REG_ROM_VER2,
  7335. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7336. bnx2x_cl45_write(bp, phy,
  7337. MDIO_PMA_DEVAD,
  7338. MDIO_PMA_REG_PHY_IDENTIFIER,
  7339. (phy_identifier | (1<<9)));
  7340. return 0;
  7341. }
  7342. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7343. struct link_params *params,
  7344. u32 action)
  7345. {
  7346. struct bnx2x *bp = params->bp;
  7347. u16 val;
  7348. switch (action) {
  7349. case DISABLE_TX:
  7350. bnx2x_sfp_set_transmitter(params, phy, 0);
  7351. break;
  7352. case ENABLE_TX:
  7353. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7354. bnx2x_sfp_set_transmitter(params, phy, 1);
  7355. break;
  7356. case PHY_INIT:
  7357. bnx2x_cl45_write(bp, phy,
  7358. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7359. (1<<2) | (1<<5));
  7360. bnx2x_cl45_write(bp, phy,
  7361. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7362. 0);
  7363. bnx2x_cl45_write(bp, phy,
  7364. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7365. /* Make MOD_ABS give interrupt on change */
  7366. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7367. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7368. &val);
  7369. val |= (1<<12);
  7370. if (phy->flags & FLAGS_NOC)
  7371. val |= (3<<5);
  7372. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7373. * status which reflect SFP+ module over-current
  7374. */
  7375. if (!(phy->flags & FLAGS_NOC))
  7376. val &= 0xff8f; /* Reset bits 4-6 */
  7377. bnx2x_cl45_write(bp, phy,
  7378. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7379. val);
  7380. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7381. * to 100Khz since some DACs(direct attached cables) do
  7382. * not work at 400Khz.
  7383. */
  7384. bnx2x_cl45_write(bp, phy,
  7385. MDIO_PMA_DEVAD,
  7386. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7387. 0xa001);
  7388. break;
  7389. default:
  7390. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7391. action);
  7392. return;
  7393. }
  7394. }
  7395. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7396. u8 gpio_mode)
  7397. {
  7398. struct bnx2x *bp = params->bp;
  7399. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7400. offsetof(struct shmem_region,
  7401. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7402. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7403. switch (fault_led_gpio) {
  7404. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7405. return;
  7406. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7407. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7408. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7409. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7410. {
  7411. u8 gpio_port = bnx2x_get_gpio_port(params);
  7412. u16 gpio_pin = fault_led_gpio -
  7413. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7414. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7415. "pin %x port %x mode %x\n",
  7416. gpio_pin, gpio_port, gpio_mode);
  7417. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7418. }
  7419. break;
  7420. default:
  7421. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7422. fault_led_gpio);
  7423. }
  7424. }
  7425. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7426. u8 gpio_mode)
  7427. {
  7428. u32 pin_cfg;
  7429. u8 port = params->port;
  7430. struct bnx2x *bp = params->bp;
  7431. pin_cfg = (REG_RD(bp, params->shmem_base +
  7432. offsetof(struct shmem_region,
  7433. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7434. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7435. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7436. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7437. gpio_mode, pin_cfg);
  7438. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7439. }
  7440. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7441. u8 gpio_mode)
  7442. {
  7443. struct bnx2x *bp = params->bp;
  7444. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7445. if (CHIP_IS_E3(bp)) {
  7446. /* Low ==> if SFP+ module is supported otherwise
  7447. * High ==> if SFP+ module is not on the approved vendor list
  7448. */
  7449. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7450. } else
  7451. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7452. }
  7453. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7454. struct link_params *params)
  7455. {
  7456. struct bnx2x *bp = params->bp;
  7457. bnx2x_warpcore_power_module(params, 0);
  7458. /* Put Warpcore in low power mode */
  7459. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7460. /* Put LCPLL in low power mode */
  7461. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7462. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7463. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7464. }
  7465. static void bnx2x_power_sfp_module(struct link_params *params,
  7466. struct bnx2x_phy *phy,
  7467. u8 power)
  7468. {
  7469. struct bnx2x *bp = params->bp;
  7470. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7471. switch (phy->type) {
  7472. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7473. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7474. bnx2x_8727_power_module(params->bp, phy, power);
  7475. break;
  7476. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7477. bnx2x_warpcore_power_module(params, power);
  7478. break;
  7479. default:
  7480. break;
  7481. }
  7482. }
  7483. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7484. struct bnx2x_phy *phy,
  7485. u16 edc_mode)
  7486. {
  7487. u16 val = 0;
  7488. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7489. struct bnx2x *bp = params->bp;
  7490. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7491. /* This is a global register which controls all lanes */
  7492. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7493. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7494. val &= ~(0xf << (lane << 2));
  7495. switch (edc_mode) {
  7496. case EDC_MODE_LINEAR:
  7497. case EDC_MODE_LIMITING:
  7498. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7499. break;
  7500. case EDC_MODE_PASSIVE_DAC:
  7501. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7502. break;
  7503. default:
  7504. break;
  7505. }
  7506. val |= (mode << (lane << 2));
  7507. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7508. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7509. /* A must read */
  7510. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7511. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7512. /* Restart microcode to re-read the new mode */
  7513. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7514. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7515. }
  7516. static void bnx2x_set_limiting_mode(struct link_params *params,
  7517. struct bnx2x_phy *phy,
  7518. u16 edc_mode)
  7519. {
  7520. switch (phy->type) {
  7521. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7522. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7523. break;
  7524. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7525. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7526. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7527. break;
  7528. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7529. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7530. break;
  7531. }
  7532. }
  7533. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7534. struct link_params *params)
  7535. {
  7536. struct bnx2x *bp = params->bp;
  7537. u16 edc_mode;
  7538. int rc = 0;
  7539. u32 val = REG_RD(bp, params->shmem_base +
  7540. offsetof(struct shmem_region, dev_info.
  7541. port_feature_config[params->port].config));
  7542. /* Enabled transmitter by default */
  7543. bnx2x_sfp_set_transmitter(params, phy, 1);
  7544. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7545. params->port);
  7546. /* Power up module */
  7547. bnx2x_power_sfp_module(params, phy, 1);
  7548. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7549. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7550. return -EINVAL;
  7551. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7552. /* Check SFP+ module compatibility */
  7553. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7554. rc = -EINVAL;
  7555. /* Turn on fault module-detected led */
  7556. bnx2x_set_sfp_module_fault_led(params,
  7557. MISC_REGISTERS_GPIO_HIGH);
  7558. /* Check if need to power down the SFP+ module */
  7559. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7560. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7561. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7562. bnx2x_power_sfp_module(params, phy, 0);
  7563. return rc;
  7564. }
  7565. } else {
  7566. /* Turn off fault module-detected led */
  7567. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7568. }
  7569. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7570. * is done automatically
  7571. */
  7572. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7573. /* Disable transmit for this module if the module is not approved, and
  7574. * laser needs to be disabled.
  7575. */
  7576. if ((rc) &&
  7577. ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7578. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER))
  7579. bnx2x_sfp_set_transmitter(params, phy, 0);
  7580. return rc;
  7581. }
  7582. void bnx2x_handle_module_detect_int(struct link_params *params)
  7583. {
  7584. struct bnx2x *bp = params->bp;
  7585. struct bnx2x_phy *phy;
  7586. u32 gpio_val;
  7587. u8 gpio_num, gpio_port;
  7588. if (CHIP_IS_E3(bp)) {
  7589. phy = &params->phy[INT_PHY];
  7590. /* Always enable TX laser,will be disabled in case of fault */
  7591. bnx2x_sfp_set_transmitter(params, phy, 1);
  7592. } else {
  7593. phy = &params->phy[EXT_PHY1];
  7594. }
  7595. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7596. params->port, &gpio_num, &gpio_port) ==
  7597. -EINVAL) {
  7598. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7599. return;
  7600. }
  7601. /* Set valid module led off */
  7602. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7603. /* Get current gpio val reflecting module plugged in / out*/
  7604. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7605. /* Call the handling function in case module is detected */
  7606. if (gpio_val == 0) {
  7607. bnx2x_set_mdio_emac_per_phy(bp, params);
  7608. bnx2x_set_aer_mmd(params, phy);
  7609. bnx2x_power_sfp_module(params, phy, 1);
  7610. bnx2x_set_gpio_int(bp, gpio_num,
  7611. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7612. gpio_port);
  7613. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7614. bnx2x_sfp_module_detection(phy, params);
  7615. if (CHIP_IS_E3(bp)) {
  7616. u16 rx_tx_in_reset;
  7617. /* In case WC is out of reset, reconfigure the
  7618. * link speed while taking into account 1G
  7619. * module limitation.
  7620. */
  7621. bnx2x_cl45_read(bp, phy,
  7622. MDIO_WC_DEVAD,
  7623. MDIO_WC_REG_DIGITAL5_MISC6,
  7624. &rx_tx_in_reset);
  7625. if (!rx_tx_in_reset) {
  7626. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7627. bnx2x_warpcore_config_sfi(phy, params);
  7628. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7629. }
  7630. }
  7631. } else {
  7632. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7633. }
  7634. } else {
  7635. bnx2x_set_gpio_int(bp, gpio_num,
  7636. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7637. gpio_port);
  7638. /* Module was plugged out.
  7639. * Disable transmit for this module
  7640. */
  7641. phy->media_type = ETH_PHY_NOT_PRESENT;
  7642. }
  7643. }
  7644. /******************************************************************/
  7645. /* Used by 8706 and 8727 */
  7646. /******************************************************************/
  7647. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7648. struct bnx2x_phy *phy,
  7649. u16 alarm_status_offset,
  7650. u16 alarm_ctrl_offset)
  7651. {
  7652. u16 alarm_status, val;
  7653. bnx2x_cl45_read(bp, phy,
  7654. MDIO_PMA_DEVAD, alarm_status_offset,
  7655. &alarm_status);
  7656. bnx2x_cl45_read(bp, phy,
  7657. MDIO_PMA_DEVAD, alarm_status_offset,
  7658. &alarm_status);
  7659. /* Mask or enable the fault event. */
  7660. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7661. if (alarm_status & (1<<0))
  7662. val &= ~(1<<0);
  7663. else
  7664. val |= (1<<0);
  7665. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7666. }
  7667. /******************************************************************/
  7668. /* common BCM8706/BCM8726 PHY SECTION */
  7669. /******************************************************************/
  7670. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7671. struct link_params *params,
  7672. struct link_vars *vars)
  7673. {
  7674. u8 link_up = 0;
  7675. u16 val1, val2, rx_sd, pcs_status;
  7676. struct bnx2x *bp = params->bp;
  7677. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7678. /* Clear RX Alarm*/
  7679. bnx2x_cl45_read(bp, phy,
  7680. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7681. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7682. MDIO_PMA_LASI_TXCTRL);
  7683. /* Clear LASI indication*/
  7684. bnx2x_cl45_read(bp, phy,
  7685. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7686. bnx2x_cl45_read(bp, phy,
  7687. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7688. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7689. bnx2x_cl45_read(bp, phy,
  7690. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7691. bnx2x_cl45_read(bp, phy,
  7692. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7693. bnx2x_cl45_read(bp, phy,
  7694. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7695. bnx2x_cl45_read(bp, phy,
  7696. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7697. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7698. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7699. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7700. * are set, or if the autoneg bit 1 is set
  7701. */
  7702. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7703. if (link_up) {
  7704. if (val2 & (1<<1))
  7705. vars->line_speed = SPEED_1000;
  7706. else
  7707. vars->line_speed = SPEED_10000;
  7708. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7709. vars->duplex = DUPLEX_FULL;
  7710. }
  7711. /* Capture 10G link fault. Read twice to clear stale value. */
  7712. if (vars->line_speed == SPEED_10000) {
  7713. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7714. MDIO_PMA_LASI_TXSTAT, &val1);
  7715. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7716. MDIO_PMA_LASI_TXSTAT, &val1);
  7717. if (val1 & (1<<0))
  7718. vars->fault_detected = 1;
  7719. }
  7720. return link_up;
  7721. }
  7722. /******************************************************************/
  7723. /* BCM8706 PHY SECTION */
  7724. /******************************************************************/
  7725. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7726. struct link_params *params,
  7727. struct link_vars *vars)
  7728. {
  7729. u32 tx_en_mode;
  7730. u16 cnt, val, tmp1;
  7731. struct bnx2x *bp = params->bp;
  7732. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7733. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7734. /* HW reset */
  7735. bnx2x_ext_phy_hw_reset(bp, params->port);
  7736. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7737. bnx2x_wait_reset_complete(bp, phy, params);
  7738. /* Wait until fw is loaded */
  7739. for (cnt = 0; cnt < 100; cnt++) {
  7740. bnx2x_cl45_read(bp, phy,
  7741. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7742. if (val)
  7743. break;
  7744. usleep_range(10000, 20000);
  7745. }
  7746. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7747. if ((params->feature_config_flags &
  7748. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7749. u8 i;
  7750. u16 reg;
  7751. for (i = 0; i < 4; i++) {
  7752. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7753. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7754. MDIO_XS_8706_REG_BANK_RX0);
  7755. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7756. /* Clear first 3 bits of the control */
  7757. val &= ~0x7;
  7758. /* Set control bits according to configuration */
  7759. val |= (phy->rx_preemphasis[i] & 0x7);
  7760. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7761. " reg 0x%x <-- val 0x%x\n", reg, val);
  7762. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7763. }
  7764. }
  7765. /* Force speed */
  7766. if (phy->req_line_speed == SPEED_10000) {
  7767. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7768. bnx2x_cl45_write(bp, phy,
  7769. MDIO_PMA_DEVAD,
  7770. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7771. bnx2x_cl45_write(bp, phy,
  7772. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7773. 0);
  7774. /* Arm LASI for link and Tx fault. */
  7775. bnx2x_cl45_write(bp, phy,
  7776. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7777. } else {
  7778. /* Force 1Gbps using autoneg with 1G advertisement */
  7779. /* Allow CL37 through CL73 */
  7780. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7781. bnx2x_cl45_write(bp, phy,
  7782. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7783. /* Enable Full-Duplex advertisement on CL37 */
  7784. bnx2x_cl45_write(bp, phy,
  7785. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7786. /* Enable CL37 AN */
  7787. bnx2x_cl45_write(bp, phy,
  7788. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7789. /* 1G support */
  7790. bnx2x_cl45_write(bp, phy,
  7791. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7792. /* Enable clause 73 AN */
  7793. bnx2x_cl45_write(bp, phy,
  7794. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7795. bnx2x_cl45_write(bp, phy,
  7796. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7797. 0x0400);
  7798. bnx2x_cl45_write(bp, phy,
  7799. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7800. 0x0004);
  7801. }
  7802. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7803. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7804. * power mode, if TX Laser is disabled
  7805. */
  7806. tx_en_mode = REG_RD(bp, params->shmem_base +
  7807. offsetof(struct shmem_region,
  7808. dev_info.port_hw_config[params->port].sfp_ctrl))
  7809. & PORT_HW_CFG_TX_LASER_MASK;
  7810. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7811. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7812. bnx2x_cl45_read(bp, phy,
  7813. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7814. tmp1 |= 0x1;
  7815. bnx2x_cl45_write(bp, phy,
  7816. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7817. }
  7818. return 0;
  7819. }
  7820. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7821. struct link_params *params,
  7822. struct link_vars *vars)
  7823. {
  7824. return bnx2x_8706_8726_read_status(phy, params, vars);
  7825. }
  7826. /******************************************************************/
  7827. /* BCM8726 PHY SECTION */
  7828. /******************************************************************/
  7829. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7830. struct link_params *params)
  7831. {
  7832. struct bnx2x *bp = params->bp;
  7833. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7834. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7835. }
  7836. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7837. struct link_params *params)
  7838. {
  7839. struct bnx2x *bp = params->bp;
  7840. /* Need to wait 100ms after reset */
  7841. msleep(100);
  7842. /* Micro controller re-boot */
  7843. bnx2x_cl45_write(bp, phy,
  7844. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7845. /* Set soft reset */
  7846. bnx2x_cl45_write(bp, phy,
  7847. MDIO_PMA_DEVAD,
  7848. MDIO_PMA_REG_GEN_CTRL,
  7849. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7850. bnx2x_cl45_write(bp, phy,
  7851. MDIO_PMA_DEVAD,
  7852. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7853. bnx2x_cl45_write(bp, phy,
  7854. MDIO_PMA_DEVAD,
  7855. MDIO_PMA_REG_GEN_CTRL,
  7856. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7857. /* Wait for 150ms for microcode load */
  7858. msleep(150);
  7859. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7860. bnx2x_cl45_write(bp, phy,
  7861. MDIO_PMA_DEVAD,
  7862. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7863. msleep(200);
  7864. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7865. }
  7866. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7867. struct link_params *params,
  7868. struct link_vars *vars)
  7869. {
  7870. struct bnx2x *bp = params->bp;
  7871. u16 val1;
  7872. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7873. if (link_up) {
  7874. bnx2x_cl45_read(bp, phy,
  7875. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7876. &val1);
  7877. if (val1 & (1<<15)) {
  7878. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7879. link_up = 0;
  7880. vars->line_speed = 0;
  7881. }
  7882. }
  7883. return link_up;
  7884. }
  7885. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7886. struct link_params *params,
  7887. struct link_vars *vars)
  7888. {
  7889. struct bnx2x *bp = params->bp;
  7890. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7891. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7892. bnx2x_wait_reset_complete(bp, phy, params);
  7893. bnx2x_8726_external_rom_boot(phy, params);
  7894. /* Need to call module detected on initialization since the module
  7895. * detection triggered by actual module insertion might occur before
  7896. * driver is loaded, and when driver is loaded, it reset all
  7897. * registers, including the transmitter
  7898. */
  7899. bnx2x_sfp_module_detection(phy, params);
  7900. if (phy->req_line_speed == SPEED_1000) {
  7901. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7902. bnx2x_cl45_write(bp, phy,
  7903. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7904. bnx2x_cl45_write(bp, phy,
  7905. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7906. bnx2x_cl45_write(bp, phy,
  7907. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7908. bnx2x_cl45_write(bp, phy,
  7909. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7910. 0x400);
  7911. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7912. (phy->speed_cap_mask &
  7913. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7914. ((phy->speed_cap_mask &
  7915. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7916. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7917. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7918. /* Set Flow control */
  7919. bnx2x_ext_phy_set_pause(params, phy, vars);
  7920. bnx2x_cl45_write(bp, phy,
  7921. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7922. bnx2x_cl45_write(bp, phy,
  7923. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7924. bnx2x_cl45_write(bp, phy,
  7925. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7930. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7931. * change
  7932. */
  7933. bnx2x_cl45_write(bp, phy,
  7934. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7935. bnx2x_cl45_write(bp, phy,
  7936. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7937. 0x400);
  7938. } else { /* Default 10G. Set only LASI control */
  7939. bnx2x_cl45_write(bp, phy,
  7940. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7941. }
  7942. /* Set TX PreEmphasis if needed */
  7943. if ((params->feature_config_flags &
  7944. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7945. DP(NETIF_MSG_LINK,
  7946. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7947. phy->tx_preemphasis[0],
  7948. phy->tx_preemphasis[1]);
  7949. bnx2x_cl45_write(bp, phy,
  7950. MDIO_PMA_DEVAD,
  7951. MDIO_PMA_REG_8726_TX_CTRL1,
  7952. phy->tx_preemphasis[0]);
  7953. bnx2x_cl45_write(bp, phy,
  7954. MDIO_PMA_DEVAD,
  7955. MDIO_PMA_REG_8726_TX_CTRL2,
  7956. phy->tx_preemphasis[1]);
  7957. }
  7958. return 0;
  7959. }
  7960. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7961. struct link_params *params)
  7962. {
  7963. struct bnx2x *bp = params->bp;
  7964. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7965. /* Set serial boot control for external load */
  7966. bnx2x_cl45_write(bp, phy,
  7967. MDIO_PMA_DEVAD,
  7968. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7969. }
  7970. /******************************************************************/
  7971. /* BCM8727 PHY SECTION */
  7972. /******************************************************************/
  7973. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7974. struct link_params *params, u8 mode)
  7975. {
  7976. struct bnx2x *bp = params->bp;
  7977. u16 led_mode_bitmask = 0;
  7978. u16 gpio_pins_bitmask = 0;
  7979. u16 val;
  7980. /* Only NOC flavor requires to set the LED specifically */
  7981. if (!(phy->flags & FLAGS_NOC))
  7982. return;
  7983. switch (mode) {
  7984. case LED_MODE_FRONT_PANEL_OFF:
  7985. case LED_MODE_OFF:
  7986. led_mode_bitmask = 0;
  7987. gpio_pins_bitmask = 0x03;
  7988. break;
  7989. case LED_MODE_ON:
  7990. led_mode_bitmask = 0;
  7991. gpio_pins_bitmask = 0x02;
  7992. break;
  7993. case LED_MODE_OPER:
  7994. led_mode_bitmask = 0x60;
  7995. gpio_pins_bitmask = 0x11;
  7996. break;
  7997. }
  7998. bnx2x_cl45_read(bp, phy,
  7999. MDIO_PMA_DEVAD,
  8000. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8001. &val);
  8002. val &= 0xff8f;
  8003. val |= led_mode_bitmask;
  8004. bnx2x_cl45_write(bp, phy,
  8005. MDIO_PMA_DEVAD,
  8006. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  8007. val);
  8008. bnx2x_cl45_read(bp, phy,
  8009. MDIO_PMA_DEVAD,
  8010. MDIO_PMA_REG_8727_GPIO_CTRL,
  8011. &val);
  8012. val &= 0xffe0;
  8013. val |= gpio_pins_bitmask;
  8014. bnx2x_cl45_write(bp, phy,
  8015. MDIO_PMA_DEVAD,
  8016. MDIO_PMA_REG_8727_GPIO_CTRL,
  8017. val);
  8018. }
  8019. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  8020. struct link_params *params) {
  8021. u32 swap_val, swap_override;
  8022. u8 port;
  8023. /* The PHY reset is controlled by GPIO 1. Fake the port number
  8024. * to cancel the swap done in set_gpio()
  8025. */
  8026. struct bnx2x *bp = params->bp;
  8027. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  8028. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  8029. port = (swap_val && swap_override) ^ 1;
  8030. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  8031. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  8032. }
  8033. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  8034. struct link_params *params)
  8035. {
  8036. struct bnx2x *bp = params->bp;
  8037. u16 tmp1, val;
  8038. /* Set option 1G speed */
  8039. if ((phy->req_line_speed == SPEED_1000) ||
  8040. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  8041. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  8042. bnx2x_cl45_write(bp, phy,
  8043. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  8044. bnx2x_cl45_write(bp, phy,
  8045. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  8046. bnx2x_cl45_read(bp, phy,
  8047. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  8048. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  8049. /* Power down the XAUI until link is up in case of dual-media
  8050. * and 1G
  8051. */
  8052. if (DUAL_MEDIA(params)) {
  8053. bnx2x_cl45_read(bp, phy,
  8054. MDIO_PMA_DEVAD,
  8055. MDIO_PMA_REG_8727_PCS_GP, &val);
  8056. val |= (3<<10);
  8057. bnx2x_cl45_write(bp, phy,
  8058. MDIO_PMA_DEVAD,
  8059. MDIO_PMA_REG_8727_PCS_GP, val);
  8060. }
  8061. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8062. ((phy->speed_cap_mask &
  8063. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  8064. ((phy->speed_cap_mask &
  8065. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  8066. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  8067. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  8068. bnx2x_cl45_write(bp, phy,
  8069. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  8070. bnx2x_cl45_write(bp, phy,
  8071. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  8072. } else {
  8073. /* Since the 8727 has only single reset pin, need to set the 10G
  8074. * registers although it is default
  8075. */
  8076. bnx2x_cl45_write(bp, phy,
  8077. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  8078. 0x0020);
  8079. bnx2x_cl45_write(bp, phy,
  8080. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  8081. bnx2x_cl45_write(bp, phy,
  8082. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  8083. bnx2x_cl45_write(bp, phy,
  8084. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  8085. 0x0008);
  8086. }
  8087. }
  8088. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  8089. struct link_params *params,
  8090. struct link_vars *vars)
  8091. {
  8092. u32 tx_en_mode;
  8093. u16 tmp1, mod_abs, tmp2;
  8094. struct bnx2x *bp = params->bp;
  8095. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  8096. bnx2x_wait_reset_complete(bp, phy, params);
  8097. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  8098. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  8099. /* Initially configure MOD_ABS to interrupt when module is
  8100. * presence( bit 8)
  8101. */
  8102. bnx2x_cl45_read(bp, phy,
  8103. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8104. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  8105. * When the EDC is off it locks onto a reference clock and avoids
  8106. * becoming 'lost'
  8107. */
  8108. mod_abs &= ~(1<<8);
  8109. if (!(phy->flags & FLAGS_NOC))
  8110. mod_abs &= ~(1<<9);
  8111. bnx2x_cl45_write(bp, phy,
  8112. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8113. /* Enable/Disable PHY transmitter output */
  8114. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  8115. bnx2x_8727_power_module(bp, phy, 1);
  8116. bnx2x_cl45_read(bp, phy,
  8117. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  8118. bnx2x_cl45_read(bp, phy,
  8119. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  8120. bnx2x_8727_config_speed(phy, params);
  8121. /* Set TX PreEmphasis if needed */
  8122. if ((params->feature_config_flags &
  8123. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  8124. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  8125. phy->tx_preemphasis[0],
  8126. phy->tx_preemphasis[1]);
  8127. bnx2x_cl45_write(bp, phy,
  8128. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  8129. phy->tx_preemphasis[0]);
  8130. bnx2x_cl45_write(bp, phy,
  8131. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  8132. phy->tx_preemphasis[1]);
  8133. }
  8134. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  8135. * power mode, if TX Laser is disabled
  8136. */
  8137. tx_en_mode = REG_RD(bp, params->shmem_base +
  8138. offsetof(struct shmem_region,
  8139. dev_info.port_hw_config[params->port].sfp_ctrl))
  8140. & PORT_HW_CFG_TX_LASER_MASK;
  8141. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  8142. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  8143. bnx2x_cl45_read(bp, phy,
  8144. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  8145. tmp2 |= 0x1000;
  8146. tmp2 &= 0xFFEF;
  8147. bnx2x_cl45_write(bp, phy,
  8148. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  8149. bnx2x_cl45_read(bp, phy,
  8150. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8151. &tmp2);
  8152. bnx2x_cl45_write(bp, phy,
  8153. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  8154. (tmp2 & 0x7fff));
  8155. }
  8156. return 0;
  8157. }
  8158. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  8159. struct link_params *params)
  8160. {
  8161. struct bnx2x *bp = params->bp;
  8162. u16 mod_abs, rx_alarm_status;
  8163. u32 val = REG_RD(bp, params->shmem_base +
  8164. offsetof(struct shmem_region, dev_info.
  8165. port_feature_config[params->port].
  8166. config));
  8167. bnx2x_cl45_read(bp, phy,
  8168. MDIO_PMA_DEVAD,
  8169. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  8170. if (mod_abs & (1<<8)) {
  8171. /* Module is absent */
  8172. DP(NETIF_MSG_LINK,
  8173. "MOD_ABS indication show module is absent\n");
  8174. phy->media_type = ETH_PHY_NOT_PRESENT;
  8175. /* 1. Set mod_abs to detect next module
  8176. * presence event
  8177. * 2. Set EDC off by setting OPTXLOS signal input to low
  8178. * (bit 9).
  8179. * When the EDC is off it locks onto a reference clock and
  8180. * avoids becoming 'lost'.
  8181. */
  8182. mod_abs &= ~(1<<8);
  8183. if (!(phy->flags & FLAGS_NOC))
  8184. mod_abs &= ~(1<<9);
  8185. bnx2x_cl45_write(bp, phy,
  8186. MDIO_PMA_DEVAD,
  8187. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8188. /* Clear RX alarm since it stays up as long as
  8189. * the mod_abs wasn't changed
  8190. */
  8191. bnx2x_cl45_read(bp, phy,
  8192. MDIO_PMA_DEVAD,
  8193. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8194. } else {
  8195. /* Module is present */
  8196. DP(NETIF_MSG_LINK,
  8197. "MOD_ABS indication show module is present\n");
  8198. /* First disable transmitter, and if the module is ok, the
  8199. * module_detection will enable it
  8200. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8201. * 2. Restore the default polarity of the OPRXLOS signal and
  8202. * this signal will then correctly indicate the presence or
  8203. * absence of the Rx signal. (bit 9)
  8204. */
  8205. mod_abs |= (1<<8);
  8206. if (!(phy->flags & FLAGS_NOC))
  8207. mod_abs |= (1<<9);
  8208. bnx2x_cl45_write(bp, phy,
  8209. MDIO_PMA_DEVAD,
  8210. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8211. /* Clear RX alarm since it stays up as long as the mod_abs
  8212. * wasn't changed. This is need to be done before calling the
  8213. * module detection, otherwise it will clear* the link update
  8214. * alarm
  8215. */
  8216. bnx2x_cl45_read(bp, phy,
  8217. MDIO_PMA_DEVAD,
  8218. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8219. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8220. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8221. bnx2x_sfp_set_transmitter(params, phy, 0);
  8222. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8223. bnx2x_sfp_module_detection(phy, params);
  8224. else
  8225. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8226. /* Reconfigure link speed based on module type limitations */
  8227. bnx2x_8727_config_speed(phy, params);
  8228. }
  8229. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8230. rx_alarm_status);
  8231. /* No need to check link status in case of module plugged in/out */
  8232. }
  8233. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8234. struct link_params *params,
  8235. struct link_vars *vars)
  8236. {
  8237. struct bnx2x *bp = params->bp;
  8238. u8 link_up = 0, oc_port = params->port;
  8239. u16 link_status = 0;
  8240. u16 rx_alarm_status, lasi_ctrl, val1;
  8241. /* If PHY is not initialized, do not check link status */
  8242. bnx2x_cl45_read(bp, phy,
  8243. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8244. &lasi_ctrl);
  8245. if (!lasi_ctrl)
  8246. return 0;
  8247. /* Check the LASI on Rx */
  8248. bnx2x_cl45_read(bp, phy,
  8249. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8250. &rx_alarm_status);
  8251. vars->line_speed = 0;
  8252. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8253. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8254. MDIO_PMA_LASI_TXCTRL);
  8255. bnx2x_cl45_read(bp, phy,
  8256. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8257. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8258. /* Clear MSG-OUT */
  8259. bnx2x_cl45_read(bp, phy,
  8260. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8261. /* If a module is present and there is need to check
  8262. * for over current
  8263. */
  8264. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8265. /* Check over-current using 8727 GPIO0 input*/
  8266. bnx2x_cl45_read(bp, phy,
  8267. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8268. &val1);
  8269. if ((val1 & (1<<8)) == 0) {
  8270. if (!CHIP_IS_E1x(bp))
  8271. oc_port = BP_PATH(bp) + (params->port << 1);
  8272. DP(NETIF_MSG_LINK,
  8273. "8727 Power fault has been detected on port %d\n",
  8274. oc_port);
  8275. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8276. "been detected and the power to "
  8277. "that SFP+ module has been removed "
  8278. "to prevent failure of the card. "
  8279. "Please remove the SFP+ module and "
  8280. "restart the system to clear this "
  8281. "error.\n",
  8282. oc_port);
  8283. /* Disable all RX_ALARMs except for mod_abs */
  8284. bnx2x_cl45_write(bp, phy,
  8285. MDIO_PMA_DEVAD,
  8286. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8287. bnx2x_cl45_read(bp, phy,
  8288. MDIO_PMA_DEVAD,
  8289. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8290. /* Wait for module_absent_event */
  8291. val1 |= (1<<8);
  8292. bnx2x_cl45_write(bp, phy,
  8293. MDIO_PMA_DEVAD,
  8294. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8295. /* Clear RX alarm */
  8296. bnx2x_cl45_read(bp, phy,
  8297. MDIO_PMA_DEVAD,
  8298. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8299. bnx2x_8727_power_module(params->bp, phy, 0);
  8300. return 0;
  8301. }
  8302. } /* Over current check */
  8303. /* When module absent bit is set, check module */
  8304. if (rx_alarm_status & (1<<5)) {
  8305. bnx2x_8727_handle_mod_abs(phy, params);
  8306. /* Enable all mod_abs and link detection bits */
  8307. bnx2x_cl45_write(bp, phy,
  8308. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8309. ((1<<5) | (1<<2)));
  8310. }
  8311. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8312. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8313. bnx2x_sfp_set_transmitter(params, phy, 1);
  8314. } else {
  8315. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8316. return 0;
  8317. }
  8318. bnx2x_cl45_read(bp, phy,
  8319. MDIO_PMA_DEVAD,
  8320. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8321. /* Bits 0..2 --> speed detected,
  8322. * Bits 13..15--> link is down
  8323. */
  8324. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8325. link_up = 1;
  8326. vars->line_speed = SPEED_10000;
  8327. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8328. params->port);
  8329. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8330. link_up = 1;
  8331. vars->line_speed = SPEED_1000;
  8332. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8333. params->port);
  8334. } else {
  8335. link_up = 0;
  8336. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8337. params->port);
  8338. }
  8339. /* Capture 10G link fault. */
  8340. if (vars->line_speed == SPEED_10000) {
  8341. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8342. MDIO_PMA_LASI_TXSTAT, &val1);
  8343. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8344. MDIO_PMA_LASI_TXSTAT, &val1);
  8345. if (val1 & (1<<0)) {
  8346. vars->fault_detected = 1;
  8347. }
  8348. }
  8349. if (link_up) {
  8350. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8351. vars->duplex = DUPLEX_FULL;
  8352. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8353. }
  8354. if ((DUAL_MEDIA(params)) &&
  8355. (phy->req_line_speed == SPEED_1000)) {
  8356. bnx2x_cl45_read(bp, phy,
  8357. MDIO_PMA_DEVAD,
  8358. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8359. /* In case of dual-media board and 1G, power up the XAUI side,
  8360. * otherwise power it down. For 10G it is done automatically
  8361. */
  8362. if (link_up)
  8363. val1 &= ~(3<<10);
  8364. else
  8365. val1 |= (3<<10);
  8366. bnx2x_cl45_write(bp, phy,
  8367. MDIO_PMA_DEVAD,
  8368. MDIO_PMA_REG_8727_PCS_GP, val1);
  8369. }
  8370. return link_up;
  8371. }
  8372. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8373. struct link_params *params)
  8374. {
  8375. struct bnx2x *bp = params->bp;
  8376. /* Enable/Disable PHY transmitter output */
  8377. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8378. /* Disable Transmitter */
  8379. bnx2x_sfp_set_transmitter(params, phy, 0);
  8380. /* Clear LASI */
  8381. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8382. }
  8383. /******************************************************************/
  8384. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8385. /******************************************************************/
  8386. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8387. struct bnx2x *bp,
  8388. u8 port)
  8389. {
  8390. u16 val, fw_ver2, cnt, i;
  8391. static struct bnx2x_reg_set reg_set[] = {
  8392. {MDIO_PMA_DEVAD, 0xA819, 0x0014},
  8393. {MDIO_PMA_DEVAD, 0xA81A, 0xc200},
  8394. {MDIO_PMA_DEVAD, 0xA81B, 0x0000},
  8395. {MDIO_PMA_DEVAD, 0xA81C, 0x0300},
  8396. {MDIO_PMA_DEVAD, 0xA817, 0x0009}
  8397. };
  8398. u16 fw_ver1;
  8399. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8400. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8401. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8402. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8403. phy->ver_addr);
  8404. } else {
  8405. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8406. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8407. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set);
  8408. i++)
  8409. bnx2x_cl45_write(bp, phy, reg_set[i].devad,
  8410. reg_set[i].reg, reg_set[i].val);
  8411. for (cnt = 0; cnt < 100; cnt++) {
  8412. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8413. if (val & 1)
  8414. break;
  8415. udelay(5);
  8416. }
  8417. if (cnt == 100) {
  8418. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8419. "phy fw version(1)\n");
  8420. bnx2x_save_spirom_version(bp, port, 0,
  8421. phy->ver_addr);
  8422. return;
  8423. }
  8424. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8425. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8426. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8427. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8428. for (cnt = 0; cnt < 100; cnt++) {
  8429. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8430. if (val & 1)
  8431. break;
  8432. udelay(5);
  8433. }
  8434. if (cnt == 100) {
  8435. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8436. "version(2)\n");
  8437. bnx2x_save_spirom_version(bp, port, 0,
  8438. phy->ver_addr);
  8439. return;
  8440. }
  8441. /* lower 16 bits of the register SPI_FW_STATUS */
  8442. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8443. /* upper 16 bits of register SPI_FW_STATUS */
  8444. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8445. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8446. phy->ver_addr);
  8447. }
  8448. }
  8449. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8450. struct bnx2x_phy *phy)
  8451. {
  8452. u16 val, offset, i;
  8453. static struct bnx2x_reg_set reg_set[] = {
  8454. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED1_MASK, 0x0080},
  8455. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED2_MASK, 0x0018},
  8456. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_MASK, 0x0006},
  8457. {MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_LED3_BLINK, 0x0000},
  8458. {MDIO_PMA_DEVAD, MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8459. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ},
  8460. {MDIO_AN_DEVAD, 0xFFFB, 0xFFFD}
  8461. };
  8462. /* PHYC_CTL_LED_CTL */
  8463. bnx2x_cl45_read(bp, phy,
  8464. MDIO_PMA_DEVAD,
  8465. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8466. val &= 0xFE00;
  8467. val |= 0x0092;
  8468. bnx2x_cl45_write(bp, phy,
  8469. MDIO_PMA_DEVAD,
  8470. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8471. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  8472. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  8473. reg_set[i].val);
  8474. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8475. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
  8476. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8477. else
  8478. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8479. /* stretch_en for LED3*/
  8480. bnx2x_cl45_read_or_write(bp, phy,
  8481. MDIO_PMA_DEVAD, offset,
  8482. MDIO_PMA_REG_84823_LED3_STRETCH_EN);
  8483. }
  8484. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8485. struct link_params *params,
  8486. u32 action)
  8487. {
  8488. struct bnx2x *bp = params->bp;
  8489. switch (action) {
  8490. case PHY_INIT:
  8491. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8492. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8493. /* Save spirom version */
  8494. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8495. }
  8496. /* This phy uses the NIG latch mechanism since link indication
  8497. * arrives through its LED4 and not via its LASI signal, so we
  8498. * get steady signal instead of clear on read
  8499. */
  8500. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8501. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8502. bnx2x_848xx_set_led(bp, phy);
  8503. break;
  8504. }
  8505. }
  8506. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8507. struct link_params *params,
  8508. struct link_vars *vars)
  8509. {
  8510. struct bnx2x *bp = params->bp;
  8511. u16 autoneg_val, an_1000_val, an_10_100_val;
  8512. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8513. bnx2x_cl45_write(bp, phy,
  8514. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8515. /* set 1000 speed advertisement */
  8516. bnx2x_cl45_read(bp, phy,
  8517. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8518. &an_1000_val);
  8519. bnx2x_ext_phy_set_pause(params, phy, vars);
  8520. bnx2x_cl45_read(bp, phy,
  8521. MDIO_AN_DEVAD,
  8522. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8523. &an_10_100_val);
  8524. bnx2x_cl45_read(bp, phy,
  8525. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8526. &autoneg_val);
  8527. /* Disable forced speed */
  8528. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8529. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8530. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8531. (phy->speed_cap_mask &
  8532. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8533. (phy->req_line_speed == SPEED_1000)) {
  8534. an_1000_val |= (1<<8);
  8535. autoneg_val |= (1<<9 | 1<<12);
  8536. if (phy->req_duplex == DUPLEX_FULL)
  8537. an_1000_val |= (1<<9);
  8538. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8539. } else
  8540. an_1000_val &= ~((1<<8) | (1<<9));
  8541. bnx2x_cl45_write(bp, phy,
  8542. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8543. an_1000_val);
  8544. /* set 100 speed advertisement */
  8545. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8546. (phy->speed_cap_mask &
  8547. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8548. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8549. an_10_100_val |= (1<<7);
  8550. /* Enable autoneg and restart autoneg for legacy speeds */
  8551. autoneg_val |= (1<<9 | 1<<12);
  8552. if (phy->req_duplex == DUPLEX_FULL)
  8553. an_10_100_val |= (1<<8);
  8554. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8555. }
  8556. /* set 10 speed advertisement */
  8557. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8558. (phy->speed_cap_mask &
  8559. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8560. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8561. (phy->supported &
  8562. (SUPPORTED_10baseT_Half |
  8563. SUPPORTED_10baseT_Full)))) {
  8564. an_10_100_val |= (1<<5);
  8565. autoneg_val |= (1<<9 | 1<<12);
  8566. if (phy->req_duplex == DUPLEX_FULL)
  8567. an_10_100_val |= (1<<6);
  8568. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8569. }
  8570. /* Only 10/100 are allowed to work in FORCE mode */
  8571. if ((phy->req_line_speed == SPEED_100) &&
  8572. (phy->supported &
  8573. (SUPPORTED_100baseT_Half |
  8574. SUPPORTED_100baseT_Full))) {
  8575. autoneg_val |= (1<<13);
  8576. /* Enabled AUTO-MDIX when autoneg is disabled */
  8577. bnx2x_cl45_write(bp, phy,
  8578. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8579. (1<<15 | 1<<9 | 7<<0));
  8580. /* The PHY needs this set even for forced link. */
  8581. an_10_100_val |= (1<<8) | (1<<7);
  8582. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8583. }
  8584. if ((phy->req_line_speed == SPEED_10) &&
  8585. (phy->supported &
  8586. (SUPPORTED_10baseT_Half |
  8587. SUPPORTED_10baseT_Full))) {
  8588. /* Enabled AUTO-MDIX when autoneg is disabled */
  8589. bnx2x_cl45_write(bp, phy,
  8590. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8591. (1<<15 | 1<<9 | 7<<0));
  8592. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8593. }
  8594. bnx2x_cl45_write(bp, phy,
  8595. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8596. an_10_100_val);
  8597. if (phy->req_duplex == DUPLEX_FULL)
  8598. autoneg_val |= (1<<8);
  8599. /* Always write this if this is not 84833/4.
  8600. * For 84833/4, write it only when it's a forced speed.
  8601. */
  8602. if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8603. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
  8604. ((autoneg_val & (1<<12)) == 0))
  8605. bnx2x_cl45_write(bp, phy,
  8606. MDIO_AN_DEVAD,
  8607. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8608. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8609. (phy->speed_cap_mask &
  8610. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8611. (phy->req_line_speed == SPEED_10000)) {
  8612. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8613. /* Restart autoneg for 10G*/
  8614. bnx2x_cl45_read_or_write(
  8615. bp, phy,
  8616. MDIO_AN_DEVAD,
  8617. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8618. 0x1000);
  8619. bnx2x_cl45_write(bp, phy,
  8620. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8621. 0x3200);
  8622. } else
  8623. bnx2x_cl45_write(bp, phy,
  8624. MDIO_AN_DEVAD,
  8625. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8626. 1);
  8627. return 0;
  8628. }
  8629. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8630. struct link_params *params,
  8631. struct link_vars *vars)
  8632. {
  8633. struct bnx2x *bp = params->bp;
  8634. /* Restore normal power mode*/
  8635. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8636. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8637. /* HW reset */
  8638. bnx2x_ext_phy_hw_reset(bp, params->port);
  8639. bnx2x_wait_reset_complete(bp, phy, params);
  8640. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8641. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8642. }
  8643. #define PHY84833_CMDHDLR_WAIT 300
  8644. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8645. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8646. struct link_params *params, u16 fw_cmd,
  8647. u16 cmd_args[], int argc)
  8648. {
  8649. int idx;
  8650. u16 val;
  8651. struct bnx2x *bp = params->bp;
  8652. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8653. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8654. MDIO_84833_CMD_HDLR_STATUS,
  8655. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8656. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8657. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8658. MDIO_84833_CMD_HDLR_STATUS, &val);
  8659. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8660. break;
  8661. usleep_range(1000, 2000);
  8662. }
  8663. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8664. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8665. return -EINVAL;
  8666. }
  8667. /* Prepare argument(s) and issue command */
  8668. for (idx = 0; idx < argc; idx++) {
  8669. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8670. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8671. cmd_args[idx]);
  8672. }
  8673. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8674. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8675. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8676. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8677. MDIO_84833_CMD_HDLR_STATUS, &val);
  8678. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8679. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8680. break;
  8681. usleep_range(1000, 2000);
  8682. }
  8683. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8684. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8685. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8686. return -EINVAL;
  8687. }
  8688. /* Gather returning data */
  8689. for (idx = 0; idx < argc; idx++) {
  8690. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8691. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8692. &cmd_args[idx]);
  8693. }
  8694. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8695. MDIO_84833_CMD_HDLR_STATUS,
  8696. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8697. return 0;
  8698. }
  8699. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8700. struct link_params *params,
  8701. struct link_vars *vars)
  8702. {
  8703. u32 pair_swap;
  8704. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8705. int status;
  8706. struct bnx2x *bp = params->bp;
  8707. /* Check for configuration. */
  8708. pair_swap = REG_RD(bp, params->shmem_base +
  8709. offsetof(struct shmem_region,
  8710. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8711. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8712. if (pair_swap == 0)
  8713. return 0;
  8714. /* Only the second argument is used for this command */
  8715. data[1] = (u16)pair_swap;
  8716. status = bnx2x_84833_cmd_hdlr(phy, params,
  8717. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8718. if (status == 0)
  8719. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8720. return status;
  8721. }
  8722. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8723. u32 shmem_base_path[],
  8724. u32 chip_id)
  8725. {
  8726. u32 reset_pin[2];
  8727. u32 idx;
  8728. u8 reset_gpios;
  8729. if (CHIP_IS_E3(bp)) {
  8730. /* Assume that these will be GPIOs, not EPIOs. */
  8731. for (idx = 0; idx < 2; idx++) {
  8732. /* Map config param to register bit. */
  8733. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8734. offsetof(struct shmem_region,
  8735. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8736. reset_pin[idx] = (reset_pin[idx] &
  8737. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8738. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8739. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8740. reset_pin[idx] = (1 << reset_pin[idx]);
  8741. }
  8742. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8743. } else {
  8744. /* E2, look from diff place of shmem. */
  8745. for (idx = 0; idx < 2; idx++) {
  8746. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8747. offsetof(struct shmem_region,
  8748. dev_info.port_hw_config[0].default_cfg));
  8749. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8750. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8751. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8752. reset_pin[idx] = (1 << reset_pin[idx]);
  8753. }
  8754. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8755. }
  8756. return reset_gpios;
  8757. }
  8758. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8759. struct link_params *params)
  8760. {
  8761. struct bnx2x *bp = params->bp;
  8762. u8 reset_gpios;
  8763. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8764. offsetof(struct shmem2_region,
  8765. other_shmem_base_addr));
  8766. u32 shmem_base_path[2];
  8767. /* Work around for 84833 LED failure inside RESET status */
  8768. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8769. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8770. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8771. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8772. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8773. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8774. shmem_base_path[0] = params->shmem_base;
  8775. shmem_base_path[1] = other_shmem_base_addr;
  8776. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8777. params->chip_id);
  8778. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8779. udelay(10);
  8780. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8781. reset_gpios);
  8782. return 0;
  8783. }
  8784. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8785. struct link_params *params,
  8786. struct link_vars *vars)
  8787. {
  8788. int rc;
  8789. struct bnx2x *bp = params->bp;
  8790. u16 cmd_args = 0;
  8791. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8792. /* Prevent Phy from working in EEE and advertising it */
  8793. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8794. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8795. if (rc) {
  8796. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8797. return rc;
  8798. }
  8799. return bnx2x_eee_disable(phy, params, vars);
  8800. }
  8801. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8802. struct link_params *params,
  8803. struct link_vars *vars)
  8804. {
  8805. int rc;
  8806. struct bnx2x *bp = params->bp;
  8807. u16 cmd_args = 1;
  8808. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8809. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8810. if (rc) {
  8811. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8812. return rc;
  8813. }
  8814. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8815. }
  8816. #define PHY84833_CONSTANT_LATENCY 1193
  8817. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8818. struct link_params *params,
  8819. struct link_vars *vars)
  8820. {
  8821. struct bnx2x *bp = params->bp;
  8822. u8 port, initialize = 1;
  8823. u16 val;
  8824. u32 actual_phy_selection;
  8825. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8826. int rc = 0;
  8827. usleep_range(1000, 2000);
  8828. if (!(CHIP_IS_E1x(bp)))
  8829. port = BP_PATH(bp);
  8830. else
  8831. port = params->port;
  8832. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8833. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8834. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8835. port);
  8836. } else {
  8837. /* MDIO reset */
  8838. bnx2x_cl45_write(bp, phy,
  8839. MDIO_PMA_DEVAD,
  8840. MDIO_PMA_REG_CTRL, 0x8000);
  8841. }
  8842. bnx2x_wait_reset_complete(bp, phy, params);
  8843. /* Wait for GPHY to come out of reset */
  8844. msleep(50);
  8845. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  8846. (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8847. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8848. * behavior.
  8849. */
  8850. u16 temp;
  8851. temp = vars->line_speed;
  8852. vars->line_speed = SPEED_10000;
  8853. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8854. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8855. vars->line_speed = temp;
  8856. }
  8857. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8858. MDIO_CTL_REG_84823_MEDIA, &val);
  8859. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8860. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8861. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8862. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8863. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8864. if (CHIP_IS_E3(bp)) {
  8865. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8866. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8867. } else {
  8868. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8869. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8870. }
  8871. actual_phy_selection = bnx2x_phy_selection(params);
  8872. switch (actual_phy_selection) {
  8873. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8874. /* Do nothing. Essentially this is like the priority copper */
  8875. break;
  8876. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8877. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8878. break;
  8879. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8880. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8881. break;
  8882. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8883. /* Do nothing here. The first PHY won't be initialized at all */
  8884. break;
  8885. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8886. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8887. initialize = 0;
  8888. break;
  8889. }
  8890. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8891. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8892. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8893. MDIO_CTL_REG_84823_MEDIA, val);
  8894. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8895. params->multi_phy_config, val);
  8896. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8897. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8898. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8899. /* Keep AutogrEEEn disabled. */
  8900. cmd_args[0] = 0x0;
  8901. cmd_args[1] = 0x0;
  8902. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8903. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8904. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8905. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8906. PHY84833_CMDHDLR_MAX_ARGS);
  8907. if (rc)
  8908. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8909. }
  8910. if (initialize)
  8911. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8912. else
  8913. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8914. /* 84833 PHY has a better feature and doesn't need to support this. */
  8915. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8916. u32 cms_enable = REG_RD(bp, params->shmem_base +
  8917. offsetof(struct shmem_region,
  8918. dev_info.port_hw_config[params->port].default_cfg)) &
  8919. PORT_HW_CFG_ENABLE_CMS_MASK;
  8920. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8921. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8922. if (cms_enable)
  8923. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8924. else
  8925. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8926. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8927. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8928. }
  8929. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8930. MDIO_84833_TOP_CFG_FW_REV, &val);
  8931. /* Configure EEE support */
  8932. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8933. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8934. bnx2x_eee_has_cap(params)) {
  8935. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8936. if (rc) {
  8937. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8938. bnx2x_8483x_disable_eee(phy, params, vars);
  8939. return rc;
  8940. }
  8941. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8942. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8943. (bnx2x_eee_calc_timer(params) ||
  8944. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8945. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8946. else
  8947. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8948. if (rc) {
  8949. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8950. return rc;
  8951. }
  8952. } else {
  8953. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8954. }
  8955. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8956. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
  8957. /* Bring PHY out of super isolate mode as the final step. */
  8958. bnx2x_cl45_read_and_write(bp, phy,
  8959. MDIO_CTL_DEVAD,
  8960. MDIO_84833_TOP_CFG_XGPHY_STRAP1,
  8961. (u16)~MDIO_84833_SUPER_ISOLATE);
  8962. }
  8963. return rc;
  8964. }
  8965. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8966. struct link_params *params,
  8967. struct link_vars *vars)
  8968. {
  8969. struct bnx2x *bp = params->bp;
  8970. u16 val, val1, val2;
  8971. u8 link_up = 0;
  8972. /* Check 10G-BaseT link status */
  8973. /* Check PMD signal ok */
  8974. bnx2x_cl45_read(bp, phy,
  8975. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8976. bnx2x_cl45_read(bp, phy,
  8977. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8978. &val2);
  8979. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8980. /* Check link 10G */
  8981. if (val2 & (1<<11)) {
  8982. vars->line_speed = SPEED_10000;
  8983. vars->duplex = DUPLEX_FULL;
  8984. link_up = 1;
  8985. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8986. } else { /* Check Legacy speed link */
  8987. u16 legacy_status, legacy_speed;
  8988. /* Enable expansion register 0x42 (Operation mode status) */
  8989. bnx2x_cl45_write(bp, phy,
  8990. MDIO_AN_DEVAD,
  8991. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8992. /* Get legacy speed operation status */
  8993. bnx2x_cl45_read(bp, phy,
  8994. MDIO_AN_DEVAD,
  8995. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8996. &legacy_status);
  8997. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8998. legacy_status);
  8999. link_up = ((legacy_status & (1<<11)) == (1<<11));
  9000. legacy_speed = (legacy_status & (3<<9));
  9001. if (legacy_speed == (0<<9))
  9002. vars->line_speed = SPEED_10;
  9003. else if (legacy_speed == (1<<9))
  9004. vars->line_speed = SPEED_100;
  9005. else if (legacy_speed == (2<<9))
  9006. vars->line_speed = SPEED_1000;
  9007. else { /* Should not happen: Treat as link down */
  9008. vars->line_speed = 0;
  9009. link_up = 0;
  9010. }
  9011. if (link_up) {
  9012. if (legacy_status & (1<<8))
  9013. vars->duplex = DUPLEX_FULL;
  9014. else
  9015. vars->duplex = DUPLEX_HALF;
  9016. DP(NETIF_MSG_LINK,
  9017. "Link is up in %dMbps, is_duplex_full= %d\n",
  9018. vars->line_speed,
  9019. (vars->duplex == DUPLEX_FULL));
  9020. /* Check legacy speed AN resolution */
  9021. bnx2x_cl45_read(bp, phy,
  9022. MDIO_AN_DEVAD,
  9023. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  9024. &val);
  9025. if (val & (1<<5))
  9026. vars->link_status |=
  9027. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9028. bnx2x_cl45_read(bp, phy,
  9029. MDIO_AN_DEVAD,
  9030. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  9031. &val);
  9032. if ((val & (1<<0)) == 0)
  9033. vars->link_status |=
  9034. LINK_STATUS_PARALLEL_DETECTION_USED;
  9035. }
  9036. }
  9037. if (link_up) {
  9038. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  9039. vars->line_speed);
  9040. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9041. /* Read LP advertised speeds */
  9042. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9043. MDIO_AN_REG_CL37_FC_LP, &val);
  9044. if (val & (1<<5))
  9045. vars->link_status |=
  9046. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9047. if (val & (1<<6))
  9048. vars->link_status |=
  9049. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9050. if (val & (1<<7))
  9051. vars->link_status |=
  9052. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9053. if (val & (1<<8))
  9054. vars->link_status |=
  9055. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9056. if (val & (1<<9))
  9057. vars->link_status |=
  9058. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9059. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9060. MDIO_AN_REG_1000T_STATUS, &val);
  9061. if (val & (1<<10))
  9062. vars->link_status |=
  9063. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9064. if (val & (1<<11))
  9065. vars->link_status |=
  9066. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9067. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  9068. MDIO_AN_REG_MASTER_STATUS, &val);
  9069. if (val & (1<<11))
  9070. vars->link_status |=
  9071. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9072. /* Determine if EEE was negotiated */
  9073. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  9074. bnx2x_eee_an_resolve(phy, params, vars);
  9075. }
  9076. return link_up;
  9077. }
  9078. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  9079. {
  9080. int status = 0;
  9081. u32 spirom_ver;
  9082. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  9083. status = bnx2x_format_ver(spirom_ver, str, len);
  9084. return status;
  9085. }
  9086. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  9087. struct link_params *params)
  9088. {
  9089. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9090. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  9091. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9092. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  9093. }
  9094. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  9095. struct link_params *params)
  9096. {
  9097. bnx2x_cl45_write(params->bp, phy,
  9098. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  9099. bnx2x_cl45_write(params->bp, phy,
  9100. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  9101. }
  9102. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  9103. struct link_params *params)
  9104. {
  9105. struct bnx2x *bp = params->bp;
  9106. u8 port;
  9107. u16 val16;
  9108. if (!(CHIP_IS_E1x(bp)))
  9109. port = BP_PATH(bp);
  9110. else
  9111. port = params->port;
  9112. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  9113. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  9114. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  9115. port);
  9116. } else {
  9117. bnx2x_cl45_read(bp, phy,
  9118. MDIO_CTL_DEVAD,
  9119. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  9120. val16 |= MDIO_84833_SUPER_ISOLATE;
  9121. bnx2x_cl45_write(bp, phy,
  9122. MDIO_CTL_DEVAD,
  9123. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  9124. }
  9125. }
  9126. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  9127. struct link_params *params, u8 mode)
  9128. {
  9129. struct bnx2x *bp = params->bp;
  9130. u16 val;
  9131. u8 port;
  9132. if (!(CHIP_IS_E1x(bp)))
  9133. port = BP_PATH(bp);
  9134. else
  9135. port = params->port;
  9136. switch (mode) {
  9137. case LED_MODE_OFF:
  9138. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  9139. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9140. SHARED_HW_CFG_LED_EXTPHY1) {
  9141. /* Set LED masks */
  9142. bnx2x_cl45_write(bp, phy,
  9143. MDIO_PMA_DEVAD,
  9144. MDIO_PMA_REG_8481_LED1_MASK,
  9145. 0x0);
  9146. bnx2x_cl45_write(bp, phy,
  9147. MDIO_PMA_DEVAD,
  9148. MDIO_PMA_REG_8481_LED2_MASK,
  9149. 0x0);
  9150. bnx2x_cl45_write(bp, phy,
  9151. MDIO_PMA_DEVAD,
  9152. MDIO_PMA_REG_8481_LED3_MASK,
  9153. 0x0);
  9154. bnx2x_cl45_write(bp, phy,
  9155. MDIO_PMA_DEVAD,
  9156. MDIO_PMA_REG_8481_LED5_MASK,
  9157. 0x0);
  9158. } else {
  9159. bnx2x_cl45_write(bp, phy,
  9160. MDIO_PMA_DEVAD,
  9161. MDIO_PMA_REG_8481_LED1_MASK,
  9162. 0x0);
  9163. }
  9164. break;
  9165. case LED_MODE_FRONT_PANEL_OFF:
  9166. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  9167. port);
  9168. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9169. SHARED_HW_CFG_LED_EXTPHY1) {
  9170. /* Set LED masks */
  9171. bnx2x_cl45_write(bp, phy,
  9172. MDIO_PMA_DEVAD,
  9173. MDIO_PMA_REG_8481_LED1_MASK,
  9174. 0x0);
  9175. bnx2x_cl45_write(bp, phy,
  9176. MDIO_PMA_DEVAD,
  9177. MDIO_PMA_REG_8481_LED2_MASK,
  9178. 0x0);
  9179. bnx2x_cl45_write(bp, phy,
  9180. MDIO_PMA_DEVAD,
  9181. MDIO_PMA_REG_8481_LED3_MASK,
  9182. 0x0);
  9183. bnx2x_cl45_write(bp, phy,
  9184. MDIO_PMA_DEVAD,
  9185. MDIO_PMA_REG_8481_LED5_MASK,
  9186. 0x20);
  9187. } else {
  9188. bnx2x_cl45_write(bp, phy,
  9189. MDIO_PMA_DEVAD,
  9190. MDIO_PMA_REG_8481_LED1_MASK,
  9191. 0x0);
  9192. }
  9193. break;
  9194. case LED_MODE_ON:
  9195. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9196. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9197. SHARED_HW_CFG_LED_EXTPHY1) {
  9198. /* Set control reg */
  9199. bnx2x_cl45_read(bp, phy,
  9200. MDIO_PMA_DEVAD,
  9201. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9202. &val);
  9203. val &= 0x8000;
  9204. val |= 0x2492;
  9205. bnx2x_cl45_write(bp, phy,
  9206. MDIO_PMA_DEVAD,
  9207. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9208. val);
  9209. /* Set LED masks */
  9210. bnx2x_cl45_write(bp, phy,
  9211. MDIO_PMA_DEVAD,
  9212. MDIO_PMA_REG_8481_LED1_MASK,
  9213. 0x0);
  9214. bnx2x_cl45_write(bp, phy,
  9215. MDIO_PMA_DEVAD,
  9216. MDIO_PMA_REG_8481_LED2_MASK,
  9217. 0x20);
  9218. bnx2x_cl45_write(bp, phy,
  9219. MDIO_PMA_DEVAD,
  9220. MDIO_PMA_REG_8481_LED3_MASK,
  9221. 0x20);
  9222. bnx2x_cl45_write(bp, phy,
  9223. MDIO_PMA_DEVAD,
  9224. MDIO_PMA_REG_8481_LED5_MASK,
  9225. 0x0);
  9226. } else {
  9227. bnx2x_cl45_write(bp, phy,
  9228. MDIO_PMA_DEVAD,
  9229. MDIO_PMA_REG_8481_LED1_MASK,
  9230. 0x20);
  9231. }
  9232. break;
  9233. case LED_MODE_OPER:
  9234. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9235. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9236. SHARED_HW_CFG_LED_EXTPHY1) {
  9237. /* Set control reg */
  9238. bnx2x_cl45_read(bp, phy,
  9239. MDIO_PMA_DEVAD,
  9240. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9241. &val);
  9242. if (!((val &
  9243. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9244. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9245. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9246. bnx2x_cl45_write(bp, phy,
  9247. MDIO_PMA_DEVAD,
  9248. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9249. 0xa492);
  9250. }
  9251. /* Set LED masks */
  9252. bnx2x_cl45_write(bp, phy,
  9253. MDIO_PMA_DEVAD,
  9254. MDIO_PMA_REG_8481_LED1_MASK,
  9255. 0x10);
  9256. bnx2x_cl45_write(bp, phy,
  9257. MDIO_PMA_DEVAD,
  9258. MDIO_PMA_REG_8481_LED2_MASK,
  9259. 0x80);
  9260. bnx2x_cl45_write(bp, phy,
  9261. MDIO_PMA_DEVAD,
  9262. MDIO_PMA_REG_8481_LED3_MASK,
  9263. 0x98);
  9264. bnx2x_cl45_write(bp, phy,
  9265. MDIO_PMA_DEVAD,
  9266. MDIO_PMA_REG_8481_LED5_MASK,
  9267. 0x40);
  9268. } else {
  9269. bnx2x_cl45_write(bp, phy,
  9270. MDIO_PMA_DEVAD,
  9271. MDIO_PMA_REG_8481_LED1_MASK,
  9272. 0x80);
  9273. /* Tell LED3 to blink on source */
  9274. bnx2x_cl45_read(bp, phy,
  9275. MDIO_PMA_DEVAD,
  9276. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9277. &val);
  9278. val &= ~(7<<6);
  9279. val |= (1<<6); /* A83B[8:6]= 1 */
  9280. bnx2x_cl45_write(bp, phy,
  9281. MDIO_PMA_DEVAD,
  9282. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9283. val);
  9284. }
  9285. break;
  9286. }
  9287. /* This is a workaround for E3+84833 until autoneg
  9288. * restart is fixed in f/w
  9289. */
  9290. if (CHIP_IS_E3(bp)) {
  9291. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9292. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9293. }
  9294. }
  9295. /******************************************************************/
  9296. /* 54618SE PHY SECTION */
  9297. /******************************************************************/
  9298. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9299. struct link_params *params,
  9300. u32 action)
  9301. {
  9302. struct bnx2x *bp = params->bp;
  9303. u16 temp;
  9304. switch (action) {
  9305. case PHY_INIT:
  9306. /* Configure LED4: set to INTR (0x6). */
  9307. /* Accessing shadow register 0xe. */
  9308. bnx2x_cl22_write(bp, phy,
  9309. MDIO_REG_GPHY_SHADOW,
  9310. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9311. bnx2x_cl22_read(bp, phy,
  9312. MDIO_REG_GPHY_SHADOW,
  9313. &temp);
  9314. temp &= ~(0xf << 4);
  9315. temp |= (0x6 << 4);
  9316. bnx2x_cl22_write(bp, phy,
  9317. MDIO_REG_GPHY_SHADOW,
  9318. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9319. /* Configure INTR based on link status change. */
  9320. bnx2x_cl22_write(bp, phy,
  9321. MDIO_REG_INTR_MASK,
  9322. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9323. break;
  9324. }
  9325. }
  9326. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9327. struct link_params *params,
  9328. struct link_vars *vars)
  9329. {
  9330. struct bnx2x *bp = params->bp;
  9331. u8 port;
  9332. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9333. u32 cfg_pin;
  9334. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9335. usleep_range(1000, 2000);
  9336. /* This works with E3 only, no need to check the chip
  9337. * before determining the port.
  9338. */
  9339. port = params->port;
  9340. cfg_pin = (REG_RD(bp, params->shmem_base +
  9341. offsetof(struct shmem_region,
  9342. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9343. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9344. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9345. /* Drive pin high to bring the GPHY out of reset. */
  9346. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9347. /* wait for GPHY to reset */
  9348. msleep(50);
  9349. /* reset phy */
  9350. bnx2x_cl22_write(bp, phy,
  9351. MDIO_PMA_REG_CTRL, 0x8000);
  9352. bnx2x_wait_reset_complete(bp, phy, params);
  9353. /* Wait for GPHY to reset */
  9354. msleep(50);
  9355. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9356. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9357. bnx2x_cl22_write(bp, phy,
  9358. MDIO_REG_GPHY_SHADOW,
  9359. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9360. bnx2x_cl22_read(bp, phy,
  9361. MDIO_REG_GPHY_SHADOW,
  9362. &temp);
  9363. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9364. bnx2x_cl22_write(bp, phy,
  9365. MDIO_REG_GPHY_SHADOW,
  9366. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9367. /* Set up fc */
  9368. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9369. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9370. fc_val = 0;
  9371. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9372. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9373. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9374. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9375. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9376. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9377. /* Read all advertisement */
  9378. bnx2x_cl22_read(bp, phy,
  9379. 0x09,
  9380. &an_1000_val);
  9381. bnx2x_cl22_read(bp, phy,
  9382. 0x04,
  9383. &an_10_100_val);
  9384. bnx2x_cl22_read(bp, phy,
  9385. MDIO_PMA_REG_CTRL,
  9386. &autoneg_val);
  9387. /* Disable forced speed */
  9388. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9389. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9390. (1<<11));
  9391. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9392. (phy->speed_cap_mask &
  9393. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9394. (phy->req_line_speed == SPEED_1000)) {
  9395. an_1000_val |= (1<<8);
  9396. autoneg_val |= (1<<9 | 1<<12);
  9397. if (phy->req_duplex == DUPLEX_FULL)
  9398. an_1000_val |= (1<<9);
  9399. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9400. } else
  9401. an_1000_val &= ~((1<<8) | (1<<9));
  9402. bnx2x_cl22_write(bp, phy,
  9403. 0x09,
  9404. an_1000_val);
  9405. bnx2x_cl22_read(bp, phy,
  9406. 0x09,
  9407. &an_1000_val);
  9408. /* Set 100 speed advertisement */
  9409. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9410. (phy->speed_cap_mask &
  9411. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9412. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9413. an_10_100_val |= (1<<7);
  9414. /* Enable autoneg and restart autoneg for legacy speeds */
  9415. autoneg_val |= (1<<9 | 1<<12);
  9416. if (phy->req_duplex == DUPLEX_FULL)
  9417. an_10_100_val |= (1<<8);
  9418. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9419. }
  9420. /* Set 10 speed advertisement */
  9421. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9422. (phy->speed_cap_mask &
  9423. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9424. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9425. an_10_100_val |= (1<<5);
  9426. autoneg_val |= (1<<9 | 1<<12);
  9427. if (phy->req_duplex == DUPLEX_FULL)
  9428. an_10_100_val |= (1<<6);
  9429. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9430. }
  9431. /* Only 10/100 are allowed to work in FORCE mode */
  9432. if (phy->req_line_speed == SPEED_100) {
  9433. autoneg_val |= (1<<13);
  9434. /* Enabled AUTO-MDIX when autoneg is disabled */
  9435. bnx2x_cl22_write(bp, phy,
  9436. 0x18,
  9437. (1<<15 | 1<<9 | 7<<0));
  9438. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9439. }
  9440. if (phy->req_line_speed == SPEED_10) {
  9441. /* Enabled AUTO-MDIX when autoneg is disabled */
  9442. bnx2x_cl22_write(bp, phy,
  9443. 0x18,
  9444. (1<<15 | 1<<9 | 7<<0));
  9445. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9446. }
  9447. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9448. int rc;
  9449. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9450. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9451. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9452. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9453. temp &= 0xfffe;
  9454. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9455. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9456. if (rc) {
  9457. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9458. bnx2x_eee_disable(phy, params, vars);
  9459. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9460. (phy->req_duplex == DUPLEX_FULL) &&
  9461. (bnx2x_eee_calc_timer(params) ||
  9462. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9463. /* Need to advertise EEE only when requested,
  9464. * and either no LPI assertion was requested,
  9465. * or it was requested and a valid timer was set.
  9466. * Also notice full duplex is required for EEE.
  9467. */
  9468. bnx2x_eee_advertise(phy, params, vars,
  9469. SHMEM_EEE_1G_ADV);
  9470. } else {
  9471. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9472. bnx2x_eee_disable(phy, params, vars);
  9473. }
  9474. } else {
  9475. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9476. SHMEM_EEE_SUPPORTED_SHIFT;
  9477. if (phy->flags & FLAGS_EEE) {
  9478. /* Handle legacy auto-grEEEn */
  9479. if (params->feature_config_flags &
  9480. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9481. temp = 6;
  9482. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9483. } else {
  9484. temp = 0;
  9485. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9486. }
  9487. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9488. MDIO_AN_REG_EEE_ADV, temp);
  9489. }
  9490. }
  9491. bnx2x_cl22_write(bp, phy,
  9492. 0x04,
  9493. an_10_100_val | fc_val);
  9494. if (phy->req_duplex == DUPLEX_FULL)
  9495. autoneg_val |= (1<<8);
  9496. bnx2x_cl22_write(bp, phy,
  9497. MDIO_PMA_REG_CTRL, autoneg_val);
  9498. return 0;
  9499. }
  9500. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9501. struct link_params *params, u8 mode)
  9502. {
  9503. struct bnx2x *bp = params->bp;
  9504. u16 temp;
  9505. bnx2x_cl22_write(bp, phy,
  9506. MDIO_REG_GPHY_SHADOW,
  9507. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9508. bnx2x_cl22_read(bp, phy,
  9509. MDIO_REG_GPHY_SHADOW,
  9510. &temp);
  9511. temp &= 0xff00;
  9512. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9513. switch (mode) {
  9514. case LED_MODE_FRONT_PANEL_OFF:
  9515. case LED_MODE_OFF:
  9516. temp |= 0x00ee;
  9517. break;
  9518. case LED_MODE_OPER:
  9519. temp |= 0x0001;
  9520. break;
  9521. case LED_MODE_ON:
  9522. temp |= 0x00ff;
  9523. break;
  9524. default:
  9525. break;
  9526. }
  9527. bnx2x_cl22_write(bp, phy,
  9528. MDIO_REG_GPHY_SHADOW,
  9529. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9530. return;
  9531. }
  9532. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9533. struct link_params *params)
  9534. {
  9535. struct bnx2x *bp = params->bp;
  9536. u32 cfg_pin;
  9537. u8 port;
  9538. /* In case of no EPIO routed to reset the GPHY, put it
  9539. * in low power mode.
  9540. */
  9541. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9542. /* This works with E3 only, no need to check the chip
  9543. * before determining the port.
  9544. */
  9545. port = params->port;
  9546. cfg_pin = (REG_RD(bp, params->shmem_base +
  9547. offsetof(struct shmem_region,
  9548. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9549. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9550. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9551. /* Drive pin low to put GPHY in reset. */
  9552. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9553. }
  9554. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9555. struct link_params *params,
  9556. struct link_vars *vars)
  9557. {
  9558. struct bnx2x *bp = params->bp;
  9559. u16 val;
  9560. u8 link_up = 0;
  9561. u16 legacy_status, legacy_speed;
  9562. /* Get speed operation status */
  9563. bnx2x_cl22_read(bp, phy,
  9564. MDIO_REG_GPHY_AUX_STATUS,
  9565. &legacy_status);
  9566. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9567. /* Read status to clear the PHY interrupt. */
  9568. bnx2x_cl22_read(bp, phy,
  9569. MDIO_REG_INTR_STATUS,
  9570. &val);
  9571. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9572. if (link_up) {
  9573. legacy_speed = (legacy_status & (7<<8));
  9574. if (legacy_speed == (7<<8)) {
  9575. vars->line_speed = SPEED_1000;
  9576. vars->duplex = DUPLEX_FULL;
  9577. } else if (legacy_speed == (6<<8)) {
  9578. vars->line_speed = SPEED_1000;
  9579. vars->duplex = DUPLEX_HALF;
  9580. } else if (legacy_speed == (5<<8)) {
  9581. vars->line_speed = SPEED_100;
  9582. vars->duplex = DUPLEX_FULL;
  9583. }
  9584. /* Omitting 100Base-T4 for now */
  9585. else if (legacy_speed == (3<<8)) {
  9586. vars->line_speed = SPEED_100;
  9587. vars->duplex = DUPLEX_HALF;
  9588. } else if (legacy_speed == (2<<8)) {
  9589. vars->line_speed = SPEED_10;
  9590. vars->duplex = DUPLEX_FULL;
  9591. } else if (legacy_speed == (1<<8)) {
  9592. vars->line_speed = SPEED_10;
  9593. vars->duplex = DUPLEX_HALF;
  9594. } else /* Should not happen */
  9595. vars->line_speed = 0;
  9596. DP(NETIF_MSG_LINK,
  9597. "Link is up in %dMbps, is_duplex_full= %d\n",
  9598. vars->line_speed,
  9599. (vars->duplex == DUPLEX_FULL));
  9600. /* Check legacy speed AN resolution */
  9601. bnx2x_cl22_read(bp, phy,
  9602. 0x01,
  9603. &val);
  9604. if (val & (1<<5))
  9605. vars->link_status |=
  9606. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9607. bnx2x_cl22_read(bp, phy,
  9608. 0x06,
  9609. &val);
  9610. if ((val & (1<<0)) == 0)
  9611. vars->link_status |=
  9612. LINK_STATUS_PARALLEL_DETECTION_USED;
  9613. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9614. vars->line_speed);
  9615. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9616. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9617. /* Report LP advertised speeds */
  9618. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9619. if (val & (1<<5))
  9620. vars->link_status |=
  9621. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9622. if (val & (1<<6))
  9623. vars->link_status |=
  9624. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9625. if (val & (1<<7))
  9626. vars->link_status |=
  9627. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9628. if (val & (1<<8))
  9629. vars->link_status |=
  9630. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9631. if (val & (1<<9))
  9632. vars->link_status |=
  9633. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9634. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9635. if (val & (1<<10))
  9636. vars->link_status |=
  9637. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9638. if (val & (1<<11))
  9639. vars->link_status |=
  9640. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9641. if ((phy->flags & FLAGS_EEE) &&
  9642. bnx2x_eee_has_cap(params))
  9643. bnx2x_eee_an_resolve(phy, params, vars);
  9644. }
  9645. }
  9646. return link_up;
  9647. }
  9648. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9649. struct link_params *params)
  9650. {
  9651. struct bnx2x *bp = params->bp;
  9652. u16 val;
  9653. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9654. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9655. /* Enable master/slave manual mmode and set to master */
  9656. /* mii write 9 [bits set 11 12] */
  9657. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9658. /* forced 1G and disable autoneg */
  9659. /* set val [mii read 0] */
  9660. /* set val [expr $val & [bits clear 6 12 13]] */
  9661. /* set val [expr $val | [bits set 6 8]] */
  9662. /* mii write 0 $val */
  9663. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9664. val &= ~((1<<6) | (1<<12) | (1<<13));
  9665. val |= (1<<6) | (1<<8);
  9666. bnx2x_cl22_write(bp, phy, 0x00, val);
  9667. /* Set external loopback and Tx using 6dB coding */
  9668. /* mii write 0x18 7 */
  9669. /* set val [mii read 0x18] */
  9670. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9671. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9672. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9673. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9674. /* This register opens the gate for the UMAC despite its name */
  9675. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9676. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9677. * length used by the MAC receive logic to check frames.
  9678. */
  9679. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9680. }
  9681. /******************************************************************/
  9682. /* SFX7101 PHY SECTION */
  9683. /******************************************************************/
  9684. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9685. struct link_params *params)
  9686. {
  9687. struct bnx2x *bp = params->bp;
  9688. /* SFX7101_XGXS_TEST1 */
  9689. bnx2x_cl45_write(bp, phy,
  9690. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9691. }
  9692. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9693. struct link_params *params,
  9694. struct link_vars *vars)
  9695. {
  9696. u16 fw_ver1, fw_ver2, val;
  9697. struct bnx2x *bp = params->bp;
  9698. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9699. /* Restore normal power mode*/
  9700. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9701. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9702. /* HW reset */
  9703. bnx2x_ext_phy_hw_reset(bp, params->port);
  9704. bnx2x_wait_reset_complete(bp, phy, params);
  9705. bnx2x_cl45_write(bp, phy,
  9706. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9707. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9708. bnx2x_cl45_write(bp, phy,
  9709. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9710. bnx2x_ext_phy_set_pause(params, phy, vars);
  9711. /* Restart autoneg */
  9712. bnx2x_cl45_read(bp, phy,
  9713. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9714. val |= 0x200;
  9715. bnx2x_cl45_write(bp, phy,
  9716. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9717. /* Save spirom version */
  9718. bnx2x_cl45_read(bp, phy,
  9719. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9720. bnx2x_cl45_read(bp, phy,
  9721. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9722. bnx2x_save_spirom_version(bp, params->port,
  9723. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9724. return 0;
  9725. }
  9726. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9727. struct link_params *params,
  9728. struct link_vars *vars)
  9729. {
  9730. struct bnx2x *bp = params->bp;
  9731. u8 link_up;
  9732. u16 val1, val2;
  9733. bnx2x_cl45_read(bp, phy,
  9734. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9735. bnx2x_cl45_read(bp, phy,
  9736. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9737. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9738. val2, val1);
  9739. bnx2x_cl45_read(bp, phy,
  9740. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9741. bnx2x_cl45_read(bp, phy,
  9742. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9743. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9744. val2, val1);
  9745. link_up = ((val1 & 4) == 4);
  9746. /* If link is up print the AN outcome of the SFX7101 PHY */
  9747. if (link_up) {
  9748. bnx2x_cl45_read(bp, phy,
  9749. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9750. &val2);
  9751. vars->line_speed = SPEED_10000;
  9752. vars->duplex = DUPLEX_FULL;
  9753. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9754. val2, (val2 & (1<<14)));
  9755. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9756. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9757. /* Read LP advertised speeds */
  9758. if (val2 & (1<<11))
  9759. vars->link_status |=
  9760. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9761. }
  9762. return link_up;
  9763. }
  9764. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9765. {
  9766. if (*len < 5)
  9767. return -EINVAL;
  9768. str[0] = (spirom_ver & 0xFF);
  9769. str[1] = (spirom_ver & 0xFF00) >> 8;
  9770. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9771. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9772. str[4] = '\0';
  9773. *len -= 5;
  9774. return 0;
  9775. }
  9776. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9777. {
  9778. u16 val, cnt;
  9779. bnx2x_cl45_read(bp, phy,
  9780. MDIO_PMA_DEVAD,
  9781. MDIO_PMA_REG_7101_RESET, &val);
  9782. for (cnt = 0; cnt < 10; cnt++) {
  9783. msleep(50);
  9784. /* Writes a self-clearing reset */
  9785. bnx2x_cl45_write(bp, phy,
  9786. MDIO_PMA_DEVAD,
  9787. MDIO_PMA_REG_7101_RESET,
  9788. (val | (1<<15)));
  9789. /* Wait for clear */
  9790. bnx2x_cl45_read(bp, phy,
  9791. MDIO_PMA_DEVAD,
  9792. MDIO_PMA_REG_7101_RESET, &val);
  9793. if ((val & (1<<15)) == 0)
  9794. break;
  9795. }
  9796. }
  9797. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9798. struct link_params *params) {
  9799. /* Low power mode is controlled by GPIO 2 */
  9800. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9801. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9802. /* The PHY reset is controlled by GPIO 1 */
  9803. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9804. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9805. }
  9806. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9807. struct link_params *params, u8 mode)
  9808. {
  9809. u16 val = 0;
  9810. struct bnx2x *bp = params->bp;
  9811. switch (mode) {
  9812. case LED_MODE_FRONT_PANEL_OFF:
  9813. case LED_MODE_OFF:
  9814. val = 2;
  9815. break;
  9816. case LED_MODE_ON:
  9817. val = 1;
  9818. break;
  9819. case LED_MODE_OPER:
  9820. val = 0;
  9821. break;
  9822. }
  9823. bnx2x_cl45_write(bp, phy,
  9824. MDIO_PMA_DEVAD,
  9825. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9826. val);
  9827. }
  9828. /******************************************************************/
  9829. /* STATIC PHY DECLARATION */
  9830. /******************************************************************/
  9831. static const struct bnx2x_phy phy_null = {
  9832. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9833. .addr = 0,
  9834. .def_md_devad = 0,
  9835. .flags = FLAGS_INIT_XGXS_FIRST,
  9836. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9837. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9838. .mdio_ctrl = 0,
  9839. .supported = 0,
  9840. .media_type = ETH_PHY_NOT_PRESENT,
  9841. .ver_addr = 0,
  9842. .req_flow_ctrl = 0,
  9843. .req_line_speed = 0,
  9844. .speed_cap_mask = 0,
  9845. .req_duplex = 0,
  9846. .rsrv = 0,
  9847. .config_init = (config_init_t)NULL,
  9848. .read_status = (read_status_t)NULL,
  9849. .link_reset = (link_reset_t)NULL,
  9850. .config_loopback = (config_loopback_t)NULL,
  9851. .format_fw_ver = (format_fw_ver_t)NULL,
  9852. .hw_reset = (hw_reset_t)NULL,
  9853. .set_link_led = (set_link_led_t)NULL,
  9854. .phy_specific_func = (phy_specific_func_t)NULL
  9855. };
  9856. static const struct bnx2x_phy phy_serdes = {
  9857. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9858. .addr = 0xff,
  9859. .def_md_devad = 0,
  9860. .flags = 0,
  9861. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9862. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9863. .mdio_ctrl = 0,
  9864. .supported = (SUPPORTED_10baseT_Half |
  9865. SUPPORTED_10baseT_Full |
  9866. SUPPORTED_100baseT_Half |
  9867. SUPPORTED_100baseT_Full |
  9868. SUPPORTED_1000baseT_Full |
  9869. SUPPORTED_2500baseX_Full |
  9870. SUPPORTED_TP |
  9871. SUPPORTED_Autoneg |
  9872. SUPPORTED_Pause |
  9873. SUPPORTED_Asym_Pause),
  9874. .media_type = ETH_PHY_BASE_T,
  9875. .ver_addr = 0,
  9876. .req_flow_ctrl = 0,
  9877. .req_line_speed = 0,
  9878. .speed_cap_mask = 0,
  9879. .req_duplex = 0,
  9880. .rsrv = 0,
  9881. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9882. .read_status = (read_status_t)bnx2x_link_settings_status,
  9883. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9884. .config_loopback = (config_loopback_t)NULL,
  9885. .format_fw_ver = (format_fw_ver_t)NULL,
  9886. .hw_reset = (hw_reset_t)NULL,
  9887. .set_link_led = (set_link_led_t)NULL,
  9888. .phy_specific_func = (phy_specific_func_t)NULL
  9889. };
  9890. static const struct bnx2x_phy phy_xgxs = {
  9891. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9892. .addr = 0xff,
  9893. .def_md_devad = 0,
  9894. .flags = 0,
  9895. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9896. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9897. .mdio_ctrl = 0,
  9898. .supported = (SUPPORTED_10baseT_Half |
  9899. SUPPORTED_10baseT_Full |
  9900. SUPPORTED_100baseT_Half |
  9901. SUPPORTED_100baseT_Full |
  9902. SUPPORTED_1000baseT_Full |
  9903. SUPPORTED_2500baseX_Full |
  9904. SUPPORTED_10000baseT_Full |
  9905. SUPPORTED_FIBRE |
  9906. SUPPORTED_Autoneg |
  9907. SUPPORTED_Pause |
  9908. SUPPORTED_Asym_Pause),
  9909. .media_type = ETH_PHY_CX4,
  9910. .ver_addr = 0,
  9911. .req_flow_ctrl = 0,
  9912. .req_line_speed = 0,
  9913. .speed_cap_mask = 0,
  9914. .req_duplex = 0,
  9915. .rsrv = 0,
  9916. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9917. .read_status = (read_status_t)bnx2x_link_settings_status,
  9918. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9919. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9920. .format_fw_ver = (format_fw_ver_t)NULL,
  9921. .hw_reset = (hw_reset_t)NULL,
  9922. .set_link_led = (set_link_led_t)NULL,
  9923. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9924. };
  9925. static const struct bnx2x_phy phy_warpcore = {
  9926. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9927. .addr = 0xff,
  9928. .def_md_devad = 0,
  9929. .flags = FLAGS_TX_ERROR_CHECK,
  9930. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9931. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9932. .mdio_ctrl = 0,
  9933. .supported = (SUPPORTED_10baseT_Half |
  9934. SUPPORTED_10baseT_Full |
  9935. SUPPORTED_100baseT_Half |
  9936. SUPPORTED_100baseT_Full |
  9937. SUPPORTED_1000baseT_Full |
  9938. SUPPORTED_10000baseT_Full |
  9939. SUPPORTED_20000baseKR2_Full |
  9940. SUPPORTED_20000baseMLD2_Full |
  9941. SUPPORTED_FIBRE |
  9942. SUPPORTED_Autoneg |
  9943. SUPPORTED_Pause |
  9944. SUPPORTED_Asym_Pause),
  9945. .media_type = ETH_PHY_UNSPECIFIED,
  9946. .ver_addr = 0,
  9947. .req_flow_ctrl = 0,
  9948. .req_line_speed = 0,
  9949. .speed_cap_mask = 0,
  9950. /* req_duplex = */0,
  9951. /* rsrv = */0,
  9952. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9953. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9954. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9955. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9956. .format_fw_ver = (format_fw_ver_t)NULL,
  9957. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9958. .set_link_led = (set_link_led_t)NULL,
  9959. .phy_specific_func = (phy_specific_func_t)NULL
  9960. };
  9961. static const struct bnx2x_phy phy_7101 = {
  9962. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9963. .addr = 0xff,
  9964. .def_md_devad = 0,
  9965. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9966. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9967. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9968. .mdio_ctrl = 0,
  9969. .supported = (SUPPORTED_10000baseT_Full |
  9970. SUPPORTED_TP |
  9971. SUPPORTED_Autoneg |
  9972. SUPPORTED_Pause |
  9973. SUPPORTED_Asym_Pause),
  9974. .media_type = ETH_PHY_BASE_T,
  9975. .ver_addr = 0,
  9976. .req_flow_ctrl = 0,
  9977. .req_line_speed = 0,
  9978. .speed_cap_mask = 0,
  9979. .req_duplex = 0,
  9980. .rsrv = 0,
  9981. .config_init = (config_init_t)bnx2x_7101_config_init,
  9982. .read_status = (read_status_t)bnx2x_7101_read_status,
  9983. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9984. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9985. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9986. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9987. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9988. .phy_specific_func = (phy_specific_func_t)NULL
  9989. };
  9990. static const struct bnx2x_phy phy_8073 = {
  9991. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9992. .addr = 0xff,
  9993. .def_md_devad = 0,
  9994. .flags = 0,
  9995. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9996. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9997. .mdio_ctrl = 0,
  9998. .supported = (SUPPORTED_10000baseT_Full |
  9999. SUPPORTED_2500baseX_Full |
  10000. SUPPORTED_1000baseT_Full |
  10001. SUPPORTED_FIBRE |
  10002. SUPPORTED_Autoneg |
  10003. SUPPORTED_Pause |
  10004. SUPPORTED_Asym_Pause),
  10005. .media_type = ETH_PHY_KR,
  10006. .ver_addr = 0,
  10007. .req_flow_ctrl = 0,
  10008. .req_line_speed = 0,
  10009. .speed_cap_mask = 0,
  10010. .req_duplex = 0,
  10011. .rsrv = 0,
  10012. .config_init = (config_init_t)bnx2x_8073_config_init,
  10013. .read_status = (read_status_t)bnx2x_8073_read_status,
  10014. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  10015. .config_loopback = (config_loopback_t)NULL,
  10016. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10017. .hw_reset = (hw_reset_t)NULL,
  10018. .set_link_led = (set_link_led_t)NULL,
  10019. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  10020. };
  10021. static const struct bnx2x_phy phy_8705 = {
  10022. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  10023. .addr = 0xff,
  10024. .def_md_devad = 0,
  10025. .flags = FLAGS_INIT_XGXS_FIRST,
  10026. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10027. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10028. .mdio_ctrl = 0,
  10029. .supported = (SUPPORTED_10000baseT_Full |
  10030. SUPPORTED_FIBRE |
  10031. SUPPORTED_Pause |
  10032. SUPPORTED_Asym_Pause),
  10033. .media_type = ETH_PHY_XFP_FIBER,
  10034. .ver_addr = 0,
  10035. .req_flow_ctrl = 0,
  10036. .req_line_speed = 0,
  10037. .speed_cap_mask = 0,
  10038. .req_duplex = 0,
  10039. .rsrv = 0,
  10040. .config_init = (config_init_t)bnx2x_8705_config_init,
  10041. .read_status = (read_status_t)bnx2x_8705_read_status,
  10042. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10043. .config_loopback = (config_loopback_t)NULL,
  10044. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  10045. .hw_reset = (hw_reset_t)NULL,
  10046. .set_link_led = (set_link_led_t)NULL,
  10047. .phy_specific_func = (phy_specific_func_t)NULL
  10048. };
  10049. static const struct bnx2x_phy phy_8706 = {
  10050. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  10051. .addr = 0xff,
  10052. .def_md_devad = 0,
  10053. .flags = FLAGS_INIT_XGXS_FIRST,
  10054. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10055. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10056. .mdio_ctrl = 0,
  10057. .supported = (SUPPORTED_10000baseT_Full |
  10058. SUPPORTED_1000baseT_Full |
  10059. SUPPORTED_FIBRE |
  10060. SUPPORTED_Pause |
  10061. SUPPORTED_Asym_Pause),
  10062. .media_type = ETH_PHY_SFPP_10G_FIBER,
  10063. .ver_addr = 0,
  10064. .req_flow_ctrl = 0,
  10065. .req_line_speed = 0,
  10066. .speed_cap_mask = 0,
  10067. .req_duplex = 0,
  10068. .rsrv = 0,
  10069. .config_init = (config_init_t)bnx2x_8706_config_init,
  10070. .read_status = (read_status_t)bnx2x_8706_read_status,
  10071. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  10072. .config_loopback = (config_loopback_t)NULL,
  10073. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10074. .hw_reset = (hw_reset_t)NULL,
  10075. .set_link_led = (set_link_led_t)NULL,
  10076. .phy_specific_func = (phy_specific_func_t)NULL
  10077. };
  10078. static const struct bnx2x_phy phy_8726 = {
  10079. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  10080. .addr = 0xff,
  10081. .def_md_devad = 0,
  10082. .flags = (FLAGS_INIT_XGXS_FIRST |
  10083. FLAGS_TX_ERROR_CHECK),
  10084. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10085. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10086. .mdio_ctrl = 0,
  10087. .supported = (SUPPORTED_10000baseT_Full |
  10088. SUPPORTED_1000baseT_Full |
  10089. SUPPORTED_Autoneg |
  10090. SUPPORTED_FIBRE |
  10091. SUPPORTED_Pause |
  10092. SUPPORTED_Asym_Pause),
  10093. .media_type = ETH_PHY_NOT_PRESENT,
  10094. .ver_addr = 0,
  10095. .req_flow_ctrl = 0,
  10096. .req_line_speed = 0,
  10097. .speed_cap_mask = 0,
  10098. .req_duplex = 0,
  10099. .rsrv = 0,
  10100. .config_init = (config_init_t)bnx2x_8726_config_init,
  10101. .read_status = (read_status_t)bnx2x_8726_read_status,
  10102. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  10103. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  10104. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10105. .hw_reset = (hw_reset_t)NULL,
  10106. .set_link_led = (set_link_led_t)NULL,
  10107. .phy_specific_func = (phy_specific_func_t)NULL
  10108. };
  10109. static const struct bnx2x_phy phy_8727 = {
  10110. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  10111. .addr = 0xff,
  10112. .def_md_devad = 0,
  10113. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10114. FLAGS_TX_ERROR_CHECK),
  10115. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10116. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10117. .mdio_ctrl = 0,
  10118. .supported = (SUPPORTED_10000baseT_Full |
  10119. SUPPORTED_1000baseT_Full |
  10120. SUPPORTED_FIBRE |
  10121. SUPPORTED_Pause |
  10122. SUPPORTED_Asym_Pause),
  10123. .media_type = ETH_PHY_NOT_PRESENT,
  10124. .ver_addr = 0,
  10125. .req_flow_ctrl = 0,
  10126. .req_line_speed = 0,
  10127. .speed_cap_mask = 0,
  10128. .req_duplex = 0,
  10129. .rsrv = 0,
  10130. .config_init = (config_init_t)bnx2x_8727_config_init,
  10131. .read_status = (read_status_t)bnx2x_8727_read_status,
  10132. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  10133. .config_loopback = (config_loopback_t)NULL,
  10134. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  10135. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  10136. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  10137. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  10138. };
  10139. static const struct bnx2x_phy phy_8481 = {
  10140. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  10141. .addr = 0xff,
  10142. .def_md_devad = 0,
  10143. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10144. FLAGS_REARM_LATCH_SIGNAL,
  10145. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10146. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10147. .mdio_ctrl = 0,
  10148. .supported = (SUPPORTED_10baseT_Half |
  10149. SUPPORTED_10baseT_Full |
  10150. SUPPORTED_100baseT_Half |
  10151. SUPPORTED_100baseT_Full |
  10152. SUPPORTED_1000baseT_Full |
  10153. SUPPORTED_10000baseT_Full |
  10154. SUPPORTED_TP |
  10155. SUPPORTED_Autoneg |
  10156. SUPPORTED_Pause |
  10157. SUPPORTED_Asym_Pause),
  10158. .media_type = ETH_PHY_BASE_T,
  10159. .ver_addr = 0,
  10160. .req_flow_ctrl = 0,
  10161. .req_line_speed = 0,
  10162. .speed_cap_mask = 0,
  10163. .req_duplex = 0,
  10164. .rsrv = 0,
  10165. .config_init = (config_init_t)bnx2x_8481_config_init,
  10166. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10167. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  10168. .config_loopback = (config_loopback_t)NULL,
  10169. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10170. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10171. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10172. .phy_specific_func = (phy_specific_func_t)NULL
  10173. };
  10174. static const struct bnx2x_phy phy_84823 = {
  10175. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10176. .addr = 0xff,
  10177. .def_md_devad = 0,
  10178. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10179. FLAGS_REARM_LATCH_SIGNAL |
  10180. FLAGS_TX_ERROR_CHECK),
  10181. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10182. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10183. .mdio_ctrl = 0,
  10184. .supported = (SUPPORTED_10baseT_Half |
  10185. SUPPORTED_10baseT_Full |
  10186. SUPPORTED_100baseT_Half |
  10187. SUPPORTED_100baseT_Full |
  10188. SUPPORTED_1000baseT_Full |
  10189. SUPPORTED_10000baseT_Full |
  10190. SUPPORTED_TP |
  10191. SUPPORTED_Autoneg |
  10192. SUPPORTED_Pause |
  10193. SUPPORTED_Asym_Pause),
  10194. .media_type = ETH_PHY_BASE_T,
  10195. .ver_addr = 0,
  10196. .req_flow_ctrl = 0,
  10197. .req_line_speed = 0,
  10198. .speed_cap_mask = 0,
  10199. .req_duplex = 0,
  10200. .rsrv = 0,
  10201. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10202. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10203. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10204. .config_loopback = (config_loopback_t)NULL,
  10205. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10206. .hw_reset = (hw_reset_t)NULL,
  10207. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10208. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10209. };
  10210. static const struct bnx2x_phy phy_84833 = {
  10211. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10212. .addr = 0xff,
  10213. .def_md_devad = 0,
  10214. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10215. FLAGS_REARM_LATCH_SIGNAL |
  10216. FLAGS_TX_ERROR_CHECK),
  10217. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10218. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10219. .mdio_ctrl = 0,
  10220. .supported = (SUPPORTED_100baseT_Half |
  10221. SUPPORTED_100baseT_Full |
  10222. SUPPORTED_1000baseT_Full |
  10223. SUPPORTED_10000baseT_Full |
  10224. SUPPORTED_TP |
  10225. SUPPORTED_Autoneg |
  10226. SUPPORTED_Pause |
  10227. SUPPORTED_Asym_Pause),
  10228. .media_type = ETH_PHY_BASE_T,
  10229. .ver_addr = 0,
  10230. .req_flow_ctrl = 0,
  10231. .req_line_speed = 0,
  10232. .speed_cap_mask = 0,
  10233. .req_duplex = 0,
  10234. .rsrv = 0,
  10235. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10236. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10237. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10238. .config_loopback = (config_loopback_t)NULL,
  10239. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10240. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10241. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10242. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10243. };
  10244. static const struct bnx2x_phy phy_84834 = {
  10245. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834,
  10246. .addr = 0xff,
  10247. .def_md_devad = 0,
  10248. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  10249. FLAGS_REARM_LATCH_SIGNAL,
  10250. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10251. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10252. .mdio_ctrl = 0,
  10253. .supported = (SUPPORTED_100baseT_Half |
  10254. SUPPORTED_100baseT_Full |
  10255. SUPPORTED_1000baseT_Full |
  10256. SUPPORTED_10000baseT_Full |
  10257. SUPPORTED_TP |
  10258. SUPPORTED_Autoneg |
  10259. SUPPORTED_Pause |
  10260. SUPPORTED_Asym_Pause),
  10261. .media_type = ETH_PHY_BASE_T,
  10262. .ver_addr = 0,
  10263. .req_flow_ctrl = 0,
  10264. .req_line_speed = 0,
  10265. .speed_cap_mask = 0,
  10266. .req_duplex = 0,
  10267. .rsrv = 0,
  10268. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10269. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10270. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10271. .config_loopback = (config_loopback_t)NULL,
  10272. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10273. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10274. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10275. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10276. };
  10277. static const struct bnx2x_phy phy_54618se = {
  10278. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10279. .addr = 0xff,
  10280. .def_md_devad = 0,
  10281. .flags = FLAGS_INIT_XGXS_FIRST,
  10282. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10283. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10284. .mdio_ctrl = 0,
  10285. .supported = (SUPPORTED_10baseT_Half |
  10286. SUPPORTED_10baseT_Full |
  10287. SUPPORTED_100baseT_Half |
  10288. SUPPORTED_100baseT_Full |
  10289. SUPPORTED_1000baseT_Full |
  10290. SUPPORTED_TP |
  10291. SUPPORTED_Autoneg |
  10292. SUPPORTED_Pause |
  10293. SUPPORTED_Asym_Pause),
  10294. .media_type = ETH_PHY_BASE_T,
  10295. .ver_addr = 0,
  10296. .req_flow_ctrl = 0,
  10297. .req_line_speed = 0,
  10298. .speed_cap_mask = 0,
  10299. /* req_duplex = */0,
  10300. /* rsrv = */0,
  10301. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10302. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10303. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10304. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10305. .format_fw_ver = (format_fw_ver_t)NULL,
  10306. .hw_reset = (hw_reset_t)NULL,
  10307. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10308. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10309. };
  10310. /*****************************************************************/
  10311. /* */
  10312. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10313. /* */
  10314. /*****************************************************************/
  10315. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10316. struct bnx2x_phy *phy, u8 port,
  10317. u8 phy_index)
  10318. {
  10319. /* Get the 4 lanes xgxs config rx and tx */
  10320. u32 rx = 0, tx = 0, i;
  10321. for (i = 0; i < 2; i++) {
  10322. /* INT_PHY and EXT_PHY1 share the same value location in
  10323. * the shmem. When num_phys is greater than 1, than this value
  10324. * applies only to EXT_PHY1
  10325. */
  10326. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10327. rx = REG_RD(bp, shmem_base +
  10328. offsetof(struct shmem_region,
  10329. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10330. tx = REG_RD(bp, shmem_base +
  10331. offsetof(struct shmem_region,
  10332. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10333. } else {
  10334. rx = REG_RD(bp, shmem_base +
  10335. offsetof(struct shmem_region,
  10336. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10337. tx = REG_RD(bp, shmem_base +
  10338. offsetof(struct shmem_region,
  10339. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10340. }
  10341. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10342. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10343. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10344. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10345. }
  10346. }
  10347. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10348. u8 phy_index, u8 port)
  10349. {
  10350. u32 ext_phy_config = 0;
  10351. switch (phy_index) {
  10352. case EXT_PHY1:
  10353. ext_phy_config = REG_RD(bp, shmem_base +
  10354. offsetof(struct shmem_region,
  10355. dev_info.port_hw_config[port].external_phy_config));
  10356. break;
  10357. case EXT_PHY2:
  10358. ext_phy_config = REG_RD(bp, shmem_base +
  10359. offsetof(struct shmem_region,
  10360. dev_info.port_hw_config[port].external_phy_config2));
  10361. break;
  10362. default:
  10363. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10364. return -EINVAL;
  10365. }
  10366. return ext_phy_config;
  10367. }
  10368. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10369. struct bnx2x_phy *phy)
  10370. {
  10371. u32 phy_addr;
  10372. u32 chip_id;
  10373. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10374. offsetof(struct shmem_region,
  10375. dev_info.port_feature_config[port].link_config)) &
  10376. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10377. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10378. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10379. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10380. if (USES_WARPCORE(bp)) {
  10381. u32 serdes_net_if;
  10382. phy_addr = REG_RD(bp,
  10383. MISC_REG_WC0_CTRL_PHY_ADDR);
  10384. *phy = phy_warpcore;
  10385. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10386. phy->flags |= FLAGS_4_PORT_MODE;
  10387. else
  10388. phy->flags &= ~FLAGS_4_PORT_MODE;
  10389. /* Check Dual mode */
  10390. serdes_net_if = (REG_RD(bp, shmem_base +
  10391. offsetof(struct shmem_region, dev_info.
  10392. port_hw_config[port].default_cfg)) &
  10393. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10394. /* Set the appropriate supported and flags indications per
  10395. * interface type of the chip
  10396. */
  10397. switch (serdes_net_if) {
  10398. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10399. phy->supported &= (SUPPORTED_10baseT_Half |
  10400. SUPPORTED_10baseT_Full |
  10401. SUPPORTED_100baseT_Half |
  10402. SUPPORTED_100baseT_Full |
  10403. SUPPORTED_1000baseT_Full |
  10404. SUPPORTED_FIBRE |
  10405. SUPPORTED_Autoneg |
  10406. SUPPORTED_Pause |
  10407. SUPPORTED_Asym_Pause);
  10408. phy->media_type = ETH_PHY_BASE_T;
  10409. break;
  10410. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10411. phy->supported &= (SUPPORTED_1000baseT_Full |
  10412. SUPPORTED_10000baseT_Full |
  10413. SUPPORTED_FIBRE |
  10414. SUPPORTED_Pause |
  10415. SUPPORTED_Asym_Pause);
  10416. phy->media_type = ETH_PHY_XFP_FIBER;
  10417. break;
  10418. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10419. phy->supported &= (SUPPORTED_1000baseT_Full |
  10420. SUPPORTED_10000baseT_Full |
  10421. SUPPORTED_FIBRE |
  10422. SUPPORTED_Pause |
  10423. SUPPORTED_Asym_Pause);
  10424. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10425. break;
  10426. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10427. phy->media_type = ETH_PHY_KR;
  10428. phy->supported &= (SUPPORTED_1000baseT_Full |
  10429. SUPPORTED_10000baseT_Full |
  10430. SUPPORTED_FIBRE |
  10431. SUPPORTED_Autoneg |
  10432. SUPPORTED_Pause |
  10433. SUPPORTED_Asym_Pause);
  10434. break;
  10435. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10436. phy->media_type = ETH_PHY_KR;
  10437. phy->flags |= FLAGS_WC_DUAL_MODE;
  10438. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10439. SUPPORTED_FIBRE |
  10440. SUPPORTED_Pause |
  10441. SUPPORTED_Asym_Pause);
  10442. break;
  10443. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10444. phy->media_type = ETH_PHY_KR;
  10445. phy->flags |= FLAGS_WC_DUAL_MODE;
  10446. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10447. SUPPORTED_Autoneg |
  10448. SUPPORTED_FIBRE |
  10449. SUPPORTED_Pause |
  10450. SUPPORTED_Asym_Pause);
  10451. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10452. break;
  10453. default:
  10454. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10455. serdes_net_if);
  10456. break;
  10457. }
  10458. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10459. * was not set as expected. For B0, ECO will be enabled so there
  10460. * won't be an issue there
  10461. */
  10462. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10463. phy->flags |= FLAGS_MDC_MDIO_WA;
  10464. else
  10465. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10466. } else {
  10467. switch (switch_cfg) {
  10468. case SWITCH_CFG_1G:
  10469. phy_addr = REG_RD(bp,
  10470. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10471. port * 0x10);
  10472. *phy = phy_serdes;
  10473. break;
  10474. case SWITCH_CFG_10G:
  10475. phy_addr = REG_RD(bp,
  10476. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10477. port * 0x18);
  10478. *phy = phy_xgxs;
  10479. break;
  10480. default:
  10481. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10482. return -EINVAL;
  10483. }
  10484. }
  10485. phy->addr = (u8)phy_addr;
  10486. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10487. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10488. port);
  10489. if (CHIP_IS_E2(bp))
  10490. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10491. else
  10492. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10493. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10494. port, phy->addr, phy->mdio_ctrl);
  10495. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10496. return 0;
  10497. }
  10498. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10499. u8 phy_index,
  10500. u32 shmem_base,
  10501. u32 shmem2_base,
  10502. u8 port,
  10503. struct bnx2x_phy *phy)
  10504. {
  10505. u32 ext_phy_config, phy_type, config2;
  10506. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10507. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10508. phy_index, port);
  10509. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10510. /* Select the phy type */
  10511. switch (phy_type) {
  10512. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10513. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10514. *phy = phy_8073;
  10515. break;
  10516. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10517. *phy = phy_8705;
  10518. break;
  10519. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10520. *phy = phy_8706;
  10521. break;
  10522. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10523. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10524. *phy = phy_8726;
  10525. break;
  10526. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10527. /* BCM8727_NOC => BCM8727 no over current */
  10528. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10529. *phy = phy_8727;
  10530. phy->flags |= FLAGS_NOC;
  10531. break;
  10532. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10533. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10534. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10535. *phy = phy_8727;
  10536. break;
  10537. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10538. *phy = phy_8481;
  10539. break;
  10540. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10541. *phy = phy_84823;
  10542. break;
  10543. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10544. *phy = phy_84833;
  10545. break;
  10546. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  10547. *phy = phy_84834;
  10548. break;
  10549. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10550. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10551. *phy = phy_54618se;
  10552. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10553. phy->flags |= FLAGS_EEE;
  10554. break;
  10555. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10556. *phy = phy_7101;
  10557. break;
  10558. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10559. *phy = phy_null;
  10560. return -EINVAL;
  10561. default:
  10562. *phy = phy_null;
  10563. /* In case external PHY wasn't found */
  10564. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10565. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10566. return -EINVAL;
  10567. return 0;
  10568. }
  10569. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10570. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10571. /* The shmem address of the phy version is located on different
  10572. * structures. In case this structure is too old, do not set
  10573. * the address
  10574. */
  10575. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10576. dev_info.shared_hw_config.config2));
  10577. if (phy_index == EXT_PHY1) {
  10578. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10579. port_mb[port].ext_phy_fw_version);
  10580. /* Check specific mdc mdio settings */
  10581. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10582. mdc_mdio_access = config2 &
  10583. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10584. } else {
  10585. u32 size = REG_RD(bp, shmem2_base);
  10586. if (size >
  10587. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10588. phy->ver_addr = shmem2_base +
  10589. offsetof(struct shmem2_region,
  10590. ext_phy_fw_version2[port]);
  10591. }
  10592. /* Check specific mdc mdio settings */
  10593. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10594. mdc_mdio_access = (config2 &
  10595. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10596. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10597. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10598. }
  10599. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10600. if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  10601. (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
  10602. (phy->ver_addr)) {
  10603. /* Remove 100Mb link supported for BCM84833/4 when phy fw
  10604. * version lower than or equal to 1.39
  10605. */
  10606. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10607. if (((raw_ver & 0x7F) <= 39) &&
  10608. (((raw_ver & 0xF80) >> 7) <= 1))
  10609. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10610. SUPPORTED_100baseT_Full);
  10611. }
  10612. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10613. phy_type, port, phy_index);
  10614. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10615. phy->addr, phy->mdio_ctrl);
  10616. return 0;
  10617. }
  10618. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10619. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10620. {
  10621. int status = 0;
  10622. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10623. if (phy_index == INT_PHY)
  10624. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10625. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10626. port, phy);
  10627. return status;
  10628. }
  10629. static void bnx2x_phy_def_cfg(struct link_params *params,
  10630. struct bnx2x_phy *phy,
  10631. u8 phy_index)
  10632. {
  10633. struct bnx2x *bp = params->bp;
  10634. u32 link_config;
  10635. /* Populate the default phy configuration for MF mode */
  10636. if (phy_index == EXT_PHY2) {
  10637. link_config = REG_RD(bp, params->shmem_base +
  10638. offsetof(struct shmem_region, dev_info.
  10639. port_feature_config[params->port].link_config2));
  10640. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10641. offsetof(struct shmem_region,
  10642. dev_info.
  10643. port_hw_config[params->port].speed_capability_mask2));
  10644. } else {
  10645. link_config = REG_RD(bp, params->shmem_base +
  10646. offsetof(struct shmem_region, dev_info.
  10647. port_feature_config[params->port].link_config));
  10648. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10649. offsetof(struct shmem_region,
  10650. dev_info.
  10651. port_hw_config[params->port].speed_capability_mask));
  10652. }
  10653. DP(NETIF_MSG_LINK,
  10654. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10655. phy_index, link_config, phy->speed_cap_mask);
  10656. phy->req_duplex = DUPLEX_FULL;
  10657. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10658. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10659. phy->req_duplex = DUPLEX_HALF;
  10660. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10661. phy->req_line_speed = SPEED_10;
  10662. break;
  10663. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10664. phy->req_duplex = DUPLEX_HALF;
  10665. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10666. phy->req_line_speed = SPEED_100;
  10667. break;
  10668. case PORT_FEATURE_LINK_SPEED_1G:
  10669. phy->req_line_speed = SPEED_1000;
  10670. break;
  10671. case PORT_FEATURE_LINK_SPEED_2_5G:
  10672. phy->req_line_speed = SPEED_2500;
  10673. break;
  10674. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10675. phy->req_line_speed = SPEED_10000;
  10676. break;
  10677. default:
  10678. phy->req_line_speed = SPEED_AUTO_NEG;
  10679. break;
  10680. }
  10681. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10682. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10683. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10684. break;
  10685. case PORT_FEATURE_FLOW_CONTROL_TX:
  10686. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10687. break;
  10688. case PORT_FEATURE_FLOW_CONTROL_RX:
  10689. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10690. break;
  10691. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10692. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10693. break;
  10694. default:
  10695. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10696. break;
  10697. }
  10698. }
  10699. u32 bnx2x_phy_selection(struct link_params *params)
  10700. {
  10701. u32 phy_config_swapped, prio_cfg;
  10702. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10703. phy_config_swapped = params->multi_phy_config &
  10704. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10705. prio_cfg = params->multi_phy_config &
  10706. PORT_HW_CFG_PHY_SELECTION_MASK;
  10707. if (phy_config_swapped) {
  10708. switch (prio_cfg) {
  10709. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10710. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10711. break;
  10712. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10713. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10714. break;
  10715. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10716. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10717. break;
  10718. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10719. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10720. break;
  10721. }
  10722. } else
  10723. return_cfg = prio_cfg;
  10724. return return_cfg;
  10725. }
  10726. int bnx2x_phy_probe(struct link_params *params)
  10727. {
  10728. u8 phy_index, actual_phy_idx;
  10729. u32 phy_config_swapped, sync_offset, media_types;
  10730. struct bnx2x *bp = params->bp;
  10731. struct bnx2x_phy *phy;
  10732. params->num_phys = 0;
  10733. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10734. phy_config_swapped = params->multi_phy_config &
  10735. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10736. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10737. phy_index++) {
  10738. actual_phy_idx = phy_index;
  10739. if (phy_config_swapped) {
  10740. if (phy_index == EXT_PHY1)
  10741. actual_phy_idx = EXT_PHY2;
  10742. else if (phy_index == EXT_PHY2)
  10743. actual_phy_idx = EXT_PHY1;
  10744. }
  10745. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10746. " actual_phy_idx %x\n", phy_config_swapped,
  10747. phy_index, actual_phy_idx);
  10748. phy = &params->phy[actual_phy_idx];
  10749. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10750. params->shmem2_base, params->port,
  10751. phy) != 0) {
  10752. params->num_phys = 0;
  10753. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10754. phy_index);
  10755. for (phy_index = INT_PHY;
  10756. phy_index < MAX_PHYS;
  10757. phy_index++)
  10758. *phy = phy_null;
  10759. return -EINVAL;
  10760. }
  10761. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10762. break;
  10763. if (params->feature_config_flags &
  10764. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10765. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10766. if (!(params->feature_config_flags &
  10767. FEATURE_CONFIG_MT_SUPPORT))
  10768. phy->flags |= FLAGS_MDC_MDIO_WA_G;
  10769. sync_offset = params->shmem_base +
  10770. offsetof(struct shmem_region,
  10771. dev_info.port_hw_config[params->port].media_type);
  10772. media_types = REG_RD(bp, sync_offset);
  10773. /* Update media type for non-PMF sync only for the first time
  10774. * In case the media type changes afterwards, it will be updated
  10775. * using the update_status function
  10776. */
  10777. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10778. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10779. actual_phy_idx))) == 0) {
  10780. media_types |= ((phy->media_type &
  10781. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10782. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10783. actual_phy_idx));
  10784. }
  10785. REG_WR(bp, sync_offset, media_types);
  10786. bnx2x_phy_def_cfg(params, phy, phy_index);
  10787. params->num_phys++;
  10788. }
  10789. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10790. return 0;
  10791. }
  10792. static void bnx2x_init_bmac_loopback(struct link_params *params,
  10793. struct link_vars *vars)
  10794. {
  10795. struct bnx2x *bp = params->bp;
  10796. vars->link_up = 1;
  10797. vars->line_speed = SPEED_10000;
  10798. vars->duplex = DUPLEX_FULL;
  10799. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10800. vars->mac_type = MAC_TYPE_BMAC;
  10801. vars->phy_flags = PHY_XGXS_FLAG;
  10802. bnx2x_xgxs_deassert(params);
  10803. /* set bmac loopback */
  10804. bnx2x_bmac_enable(params, vars, 1, 1);
  10805. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10806. }
  10807. static void bnx2x_init_emac_loopback(struct link_params *params,
  10808. struct link_vars *vars)
  10809. {
  10810. struct bnx2x *bp = params->bp;
  10811. vars->link_up = 1;
  10812. vars->line_speed = SPEED_1000;
  10813. vars->duplex = DUPLEX_FULL;
  10814. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10815. vars->mac_type = MAC_TYPE_EMAC;
  10816. vars->phy_flags = PHY_XGXS_FLAG;
  10817. bnx2x_xgxs_deassert(params);
  10818. /* set bmac loopback */
  10819. bnx2x_emac_enable(params, vars, 1);
  10820. bnx2x_emac_program(params, vars);
  10821. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10822. }
  10823. static void bnx2x_init_xmac_loopback(struct link_params *params,
  10824. struct link_vars *vars)
  10825. {
  10826. struct bnx2x *bp = params->bp;
  10827. vars->link_up = 1;
  10828. if (!params->req_line_speed[0])
  10829. vars->line_speed = SPEED_10000;
  10830. else
  10831. vars->line_speed = params->req_line_speed[0];
  10832. vars->duplex = DUPLEX_FULL;
  10833. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10834. vars->mac_type = MAC_TYPE_XMAC;
  10835. vars->phy_flags = PHY_XGXS_FLAG;
  10836. /* Set WC to loopback mode since link is required to provide clock
  10837. * to the XMAC in 20G mode
  10838. */
  10839. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10840. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10841. params->phy[INT_PHY].config_loopback(
  10842. &params->phy[INT_PHY],
  10843. params);
  10844. bnx2x_xmac_enable(params, vars, 1);
  10845. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10846. }
  10847. static void bnx2x_init_umac_loopback(struct link_params *params,
  10848. struct link_vars *vars)
  10849. {
  10850. struct bnx2x *bp = params->bp;
  10851. vars->link_up = 1;
  10852. vars->line_speed = SPEED_1000;
  10853. vars->duplex = DUPLEX_FULL;
  10854. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10855. vars->mac_type = MAC_TYPE_UMAC;
  10856. vars->phy_flags = PHY_XGXS_FLAG;
  10857. bnx2x_umac_enable(params, vars, 1);
  10858. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10859. }
  10860. static void bnx2x_init_xgxs_loopback(struct link_params *params,
  10861. struct link_vars *vars)
  10862. {
  10863. struct bnx2x *bp = params->bp;
  10864. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  10865. vars->link_up = 1;
  10866. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10867. vars->duplex = DUPLEX_FULL;
  10868. if (params->req_line_speed[0] == SPEED_1000)
  10869. vars->line_speed = SPEED_1000;
  10870. else if ((params->req_line_speed[0] == SPEED_20000) ||
  10871. (int_phy->flags & FLAGS_WC_DUAL_MODE))
  10872. vars->line_speed = SPEED_20000;
  10873. else
  10874. vars->line_speed = SPEED_10000;
  10875. if (!USES_WARPCORE(bp))
  10876. bnx2x_xgxs_deassert(params);
  10877. bnx2x_link_initialize(params, vars);
  10878. if (params->req_line_speed[0] == SPEED_1000) {
  10879. if (USES_WARPCORE(bp))
  10880. bnx2x_umac_enable(params, vars, 0);
  10881. else {
  10882. bnx2x_emac_program(params, vars);
  10883. bnx2x_emac_enable(params, vars, 0);
  10884. }
  10885. } else {
  10886. if (USES_WARPCORE(bp))
  10887. bnx2x_xmac_enable(params, vars, 0);
  10888. else
  10889. bnx2x_bmac_enable(params, vars, 0, 1);
  10890. }
  10891. if (params->loopback_mode == LOOPBACK_XGXS) {
  10892. /* Set 10G XGXS loopback */
  10893. int_phy->config_loopback(int_phy, params);
  10894. } else {
  10895. /* Set external phy loopback */
  10896. u8 phy_index;
  10897. for (phy_index = EXT_PHY1;
  10898. phy_index < params->num_phys; phy_index++)
  10899. if (params->phy[phy_index].config_loopback)
  10900. params->phy[phy_index].config_loopback(
  10901. &params->phy[phy_index],
  10902. params);
  10903. }
  10904. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10905. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10906. }
  10907. void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10908. {
  10909. struct bnx2x *bp = params->bp;
  10910. u8 val = en * 0x1F;
  10911. /* Open / close the gate between the NIG and the BRB */
  10912. if (!CHIP_IS_E1x(bp))
  10913. val |= en * 0x20;
  10914. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10915. if (!CHIP_IS_E1(bp)) {
  10916. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10917. en*0x3);
  10918. }
  10919. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10920. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10921. }
  10922. static int bnx2x_avoid_link_flap(struct link_params *params,
  10923. struct link_vars *vars)
  10924. {
  10925. u32 phy_idx;
  10926. u32 dont_clear_stat, lfa_sts;
  10927. struct bnx2x *bp = params->bp;
  10928. /* Sync the link parameters */
  10929. bnx2x_link_status_update(params, vars);
  10930. /*
  10931. * The module verification was already done by previous link owner,
  10932. * so this call is meant only to get warning message
  10933. */
  10934. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10935. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10936. if (phy->phy_specific_func) {
  10937. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10938. phy->phy_specific_func(phy, params, PHY_INIT);
  10939. }
  10940. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10941. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10942. (phy->media_type == ETH_PHY_DA_TWINAX))
  10943. bnx2x_verify_sfp_module(phy, params);
  10944. }
  10945. lfa_sts = REG_RD(bp, params->lfa_base +
  10946. offsetof(struct shmem_lfa,
  10947. lfa_sts));
  10948. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10949. /* Re-enable the NIG/MAC */
  10950. if (CHIP_IS_E3(bp)) {
  10951. if (!dont_clear_stat) {
  10952. REG_WR(bp, GRCBASE_MISC +
  10953. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10954. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10955. params->port));
  10956. REG_WR(bp, GRCBASE_MISC +
  10957. MISC_REGISTERS_RESET_REG_2_SET,
  10958. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10959. params->port));
  10960. }
  10961. if (vars->line_speed < SPEED_10000)
  10962. bnx2x_umac_enable(params, vars, 0);
  10963. else
  10964. bnx2x_xmac_enable(params, vars, 0);
  10965. } else {
  10966. if (vars->line_speed < SPEED_10000)
  10967. bnx2x_emac_enable(params, vars, 0);
  10968. else
  10969. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  10970. }
  10971. /* Increment LFA count */
  10972. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  10973. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  10974. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  10975. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  10976. /* Clear link flap reason */
  10977. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10978. REG_WR(bp, params->lfa_base +
  10979. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10980. /* Disable NIG DRAIN */
  10981. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10982. /* Enable interrupts */
  10983. bnx2x_link_int_enable(params);
  10984. return 0;
  10985. }
  10986. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  10987. struct link_vars *vars,
  10988. int lfa_status)
  10989. {
  10990. u32 lfa_sts, cfg_idx, tmp_val;
  10991. struct bnx2x *bp = params->bp;
  10992. bnx2x_link_reset(params, vars, 1);
  10993. if (!params->lfa_base)
  10994. return;
  10995. /* Store the new link parameters */
  10996. REG_WR(bp, params->lfa_base +
  10997. offsetof(struct shmem_lfa, req_duplex),
  10998. params->req_duplex[0] | (params->req_duplex[1] << 16));
  10999. REG_WR(bp, params->lfa_base +
  11000. offsetof(struct shmem_lfa, req_flow_ctrl),
  11001. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  11002. REG_WR(bp, params->lfa_base +
  11003. offsetof(struct shmem_lfa, req_line_speed),
  11004. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  11005. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  11006. REG_WR(bp, params->lfa_base +
  11007. offsetof(struct shmem_lfa,
  11008. speed_cap_mask[cfg_idx]),
  11009. params->speed_cap_mask[cfg_idx]);
  11010. }
  11011. tmp_val = REG_RD(bp, params->lfa_base +
  11012. offsetof(struct shmem_lfa, additional_config));
  11013. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  11014. tmp_val |= params->req_fc_auto_adv;
  11015. REG_WR(bp, params->lfa_base +
  11016. offsetof(struct shmem_lfa, additional_config), tmp_val);
  11017. lfa_sts = REG_RD(bp, params->lfa_base +
  11018. offsetof(struct shmem_lfa, lfa_sts));
  11019. /* Clear the "Don't Clear Statistics" bit, and set reason */
  11020. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  11021. /* Set link flap reason */
  11022. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  11023. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  11024. LFA_LINK_FLAP_REASON_OFFSET);
  11025. /* Increment link flap counter */
  11026. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  11027. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  11028. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  11029. << LINK_FLAP_COUNT_OFFSET));
  11030. REG_WR(bp, params->lfa_base +
  11031. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  11032. /* Proceed with regular link initialization */
  11033. }
  11034. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  11035. {
  11036. int lfa_status;
  11037. struct bnx2x *bp = params->bp;
  11038. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  11039. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  11040. params->req_line_speed[0], params->req_flow_ctrl[0]);
  11041. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  11042. params->req_line_speed[1], params->req_flow_ctrl[1]);
  11043. vars->link_status = 0;
  11044. vars->phy_link_up = 0;
  11045. vars->link_up = 0;
  11046. vars->line_speed = 0;
  11047. vars->duplex = DUPLEX_FULL;
  11048. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  11049. vars->mac_type = MAC_TYPE_NONE;
  11050. vars->phy_flags = 0;
  11051. /* Driver opens NIG-BRB filters */
  11052. bnx2x_set_rx_filter(params, 1);
  11053. /* Check if link flap can be avoided */
  11054. lfa_status = bnx2x_check_lfa(params);
  11055. if (lfa_status == 0) {
  11056. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  11057. return bnx2x_avoid_link_flap(params, vars);
  11058. }
  11059. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  11060. lfa_status);
  11061. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  11062. /* Disable attentions */
  11063. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11064. (NIG_MASK_XGXS0_LINK_STATUS |
  11065. NIG_MASK_XGXS0_LINK10G |
  11066. NIG_MASK_SERDES0_LINK_STATUS |
  11067. NIG_MASK_MI_INT));
  11068. bnx2x_emac_init(params, vars);
  11069. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  11070. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  11071. if (params->num_phys == 0) {
  11072. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  11073. return -EINVAL;
  11074. }
  11075. set_phy_vars(params, vars);
  11076. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  11077. switch (params->loopback_mode) {
  11078. case LOOPBACK_BMAC:
  11079. bnx2x_init_bmac_loopback(params, vars);
  11080. break;
  11081. case LOOPBACK_EMAC:
  11082. bnx2x_init_emac_loopback(params, vars);
  11083. break;
  11084. case LOOPBACK_XMAC:
  11085. bnx2x_init_xmac_loopback(params, vars);
  11086. break;
  11087. case LOOPBACK_UMAC:
  11088. bnx2x_init_umac_loopback(params, vars);
  11089. break;
  11090. case LOOPBACK_XGXS:
  11091. case LOOPBACK_EXT_PHY:
  11092. bnx2x_init_xgxs_loopback(params, vars);
  11093. break;
  11094. default:
  11095. if (!CHIP_IS_E3(bp)) {
  11096. if (params->switch_cfg == SWITCH_CFG_10G)
  11097. bnx2x_xgxs_deassert(params);
  11098. else
  11099. bnx2x_serdes_deassert(bp, params->port);
  11100. }
  11101. bnx2x_link_initialize(params, vars);
  11102. msleep(30);
  11103. bnx2x_link_int_enable(params);
  11104. break;
  11105. }
  11106. bnx2x_update_mng(params, vars->link_status);
  11107. bnx2x_update_mng_eee(params, vars->eee_status);
  11108. return 0;
  11109. }
  11110. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  11111. u8 reset_ext_phy)
  11112. {
  11113. struct bnx2x *bp = params->bp;
  11114. u8 phy_index, port = params->port, clear_latch_ind = 0;
  11115. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  11116. /* Disable attentions */
  11117. vars->link_status = 0;
  11118. bnx2x_update_mng(params, vars->link_status);
  11119. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  11120. SHMEM_EEE_ACTIVE_BIT);
  11121. bnx2x_update_mng_eee(params, vars->eee_status);
  11122. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  11123. (NIG_MASK_XGXS0_LINK_STATUS |
  11124. NIG_MASK_XGXS0_LINK10G |
  11125. NIG_MASK_SERDES0_LINK_STATUS |
  11126. NIG_MASK_MI_INT));
  11127. /* Activate nig drain */
  11128. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  11129. /* Disable nig egress interface */
  11130. if (!CHIP_IS_E3(bp)) {
  11131. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  11132. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  11133. }
  11134. if (!CHIP_IS_E3(bp)) {
  11135. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  11136. } else {
  11137. bnx2x_set_xmac_rxtx(params, 0);
  11138. bnx2x_set_umac_rxtx(params, 0);
  11139. }
  11140. /* Disable emac */
  11141. if (!CHIP_IS_E3(bp))
  11142. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  11143. usleep_range(10000, 20000);
  11144. /* The PHY reset is controlled by GPIO 1
  11145. * Hold it as vars low
  11146. */
  11147. /* Clear link led */
  11148. bnx2x_set_mdio_emac_per_phy(bp, params);
  11149. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  11150. if (reset_ext_phy) {
  11151. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  11152. phy_index++) {
  11153. if (params->phy[phy_index].link_reset) {
  11154. bnx2x_set_aer_mmd(params,
  11155. &params->phy[phy_index]);
  11156. params->phy[phy_index].link_reset(
  11157. &params->phy[phy_index],
  11158. params);
  11159. }
  11160. if (params->phy[phy_index].flags &
  11161. FLAGS_REARM_LATCH_SIGNAL)
  11162. clear_latch_ind = 1;
  11163. }
  11164. }
  11165. if (clear_latch_ind) {
  11166. /* Clear latching indication */
  11167. bnx2x_rearm_latch_signal(bp, port, 0);
  11168. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  11169. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  11170. }
  11171. if (params->phy[INT_PHY].link_reset)
  11172. params->phy[INT_PHY].link_reset(
  11173. &params->phy[INT_PHY], params);
  11174. /* Disable nig ingress interface */
  11175. if (!CHIP_IS_E3(bp)) {
  11176. /* Reset BigMac */
  11177. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  11178. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  11179. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  11180. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  11181. } else {
  11182. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11183. bnx2x_set_xumac_nig(params, 0, 0);
  11184. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11185. MISC_REGISTERS_RESET_REG_2_XMAC)
  11186. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  11187. XMAC_CTRL_REG_SOFT_RESET);
  11188. }
  11189. vars->link_up = 0;
  11190. vars->phy_flags = 0;
  11191. return 0;
  11192. }
  11193. int bnx2x_lfa_reset(struct link_params *params,
  11194. struct link_vars *vars)
  11195. {
  11196. struct bnx2x *bp = params->bp;
  11197. vars->link_up = 0;
  11198. vars->phy_flags = 0;
  11199. if (!params->lfa_base)
  11200. return bnx2x_link_reset(params, vars, 1);
  11201. /*
  11202. * Activate NIG drain so that during this time the device won't send
  11203. * anything while it is unable to response.
  11204. */
  11205. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11206. /*
  11207. * Close gracefully the gate from BMAC to NIG such that no half packets
  11208. * are passed.
  11209. */
  11210. if (!CHIP_IS_E3(bp))
  11211. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11212. if (CHIP_IS_E3(bp)) {
  11213. bnx2x_set_xmac_rxtx(params, 0);
  11214. bnx2x_set_umac_rxtx(params, 0);
  11215. }
  11216. /* Wait 10ms for the pipe to clean up*/
  11217. usleep_range(10000, 20000);
  11218. /* Clean the NIG-BRB using the network filters in a way that will
  11219. * not cut a packet in the middle.
  11220. */
  11221. bnx2x_set_rx_filter(params, 0);
  11222. /*
  11223. * Re-open the gate between the BMAC and the NIG, after verifying the
  11224. * gate to the BRB is closed, otherwise packets may arrive to the
  11225. * firmware before driver had initialized it. The target is to achieve
  11226. * minimum management protocol down time.
  11227. */
  11228. if (!CHIP_IS_E3(bp))
  11229. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11230. if (CHIP_IS_E3(bp)) {
  11231. bnx2x_set_xmac_rxtx(params, 1);
  11232. bnx2x_set_umac_rxtx(params, 1);
  11233. }
  11234. /* Disable NIG drain */
  11235. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11236. return 0;
  11237. }
  11238. /****************************************************************************/
  11239. /* Common function */
  11240. /****************************************************************************/
  11241. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11242. u32 shmem_base_path[],
  11243. u32 shmem2_base_path[], u8 phy_index,
  11244. u32 chip_id)
  11245. {
  11246. struct bnx2x_phy phy[PORT_MAX];
  11247. struct bnx2x_phy *phy_blk[PORT_MAX];
  11248. u16 val;
  11249. s8 port = 0;
  11250. s8 port_of_path = 0;
  11251. u32 swap_val, swap_override;
  11252. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11253. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11254. port ^= (swap_val && swap_override);
  11255. bnx2x_ext_phy_hw_reset(bp, port);
  11256. /* PART1 - Reset both phys */
  11257. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11258. u32 shmem_base, shmem2_base;
  11259. /* In E2, same phy is using for port0 of the two paths */
  11260. if (CHIP_IS_E1x(bp)) {
  11261. shmem_base = shmem_base_path[0];
  11262. shmem2_base = shmem2_base_path[0];
  11263. port_of_path = port;
  11264. } else {
  11265. shmem_base = shmem_base_path[port];
  11266. shmem2_base = shmem2_base_path[port];
  11267. port_of_path = 0;
  11268. }
  11269. /* Extract the ext phy address for the port */
  11270. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11271. port_of_path, &phy[port]) !=
  11272. 0) {
  11273. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11274. return -EINVAL;
  11275. }
  11276. /* Disable attentions */
  11277. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11278. port_of_path*4,
  11279. (NIG_MASK_XGXS0_LINK_STATUS |
  11280. NIG_MASK_XGXS0_LINK10G |
  11281. NIG_MASK_SERDES0_LINK_STATUS |
  11282. NIG_MASK_MI_INT));
  11283. /* Need to take the phy out of low power mode in order
  11284. * to write to access its registers
  11285. */
  11286. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11287. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11288. port);
  11289. /* Reset the phy */
  11290. bnx2x_cl45_write(bp, &phy[port],
  11291. MDIO_PMA_DEVAD,
  11292. MDIO_PMA_REG_CTRL,
  11293. 1<<15);
  11294. }
  11295. /* Add delay of 150ms after reset */
  11296. msleep(150);
  11297. if (phy[PORT_0].addr & 0x1) {
  11298. phy_blk[PORT_0] = &(phy[PORT_1]);
  11299. phy_blk[PORT_1] = &(phy[PORT_0]);
  11300. } else {
  11301. phy_blk[PORT_0] = &(phy[PORT_0]);
  11302. phy_blk[PORT_1] = &(phy[PORT_1]);
  11303. }
  11304. /* PART2 - Download firmware to both phys */
  11305. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11306. if (CHIP_IS_E1x(bp))
  11307. port_of_path = port;
  11308. else
  11309. port_of_path = 0;
  11310. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11311. phy_blk[port]->addr);
  11312. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11313. port_of_path))
  11314. return -EINVAL;
  11315. /* Only set bit 10 = 1 (Tx power down) */
  11316. bnx2x_cl45_read(bp, phy_blk[port],
  11317. MDIO_PMA_DEVAD,
  11318. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11319. /* Phase1 of TX_POWER_DOWN reset */
  11320. bnx2x_cl45_write(bp, phy_blk[port],
  11321. MDIO_PMA_DEVAD,
  11322. MDIO_PMA_REG_TX_POWER_DOWN,
  11323. (val | 1<<10));
  11324. }
  11325. /* Toggle Transmitter: Power down and then up with 600ms delay
  11326. * between
  11327. */
  11328. msleep(600);
  11329. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11330. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11331. /* Phase2 of POWER_DOWN_RESET */
  11332. /* Release bit 10 (Release Tx power down) */
  11333. bnx2x_cl45_read(bp, phy_blk[port],
  11334. MDIO_PMA_DEVAD,
  11335. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11336. bnx2x_cl45_write(bp, phy_blk[port],
  11337. MDIO_PMA_DEVAD,
  11338. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11339. usleep_range(15000, 30000);
  11340. /* Read modify write the SPI-ROM version select register */
  11341. bnx2x_cl45_read(bp, phy_blk[port],
  11342. MDIO_PMA_DEVAD,
  11343. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11344. bnx2x_cl45_write(bp, phy_blk[port],
  11345. MDIO_PMA_DEVAD,
  11346. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11347. /* set GPIO2 back to LOW */
  11348. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11349. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11350. }
  11351. return 0;
  11352. }
  11353. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11354. u32 shmem_base_path[],
  11355. u32 shmem2_base_path[], u8 phy_index,
  11356. u32 chip_id)
  11357. {
  11358. u32 val;
  11359. s8 port;
  11360. struct bnx2x_phy phy;
  11361. /* Use port1 because of the static port-swap */
  11362. /* Enable the module detection interrupt */
  11363. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11364. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11365. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11366. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11367. bnx2x_ext_phy_hw_reset(bp, 0);
  11368. usleep_range(5000, 10000);
  11369. for (port = 0; port < PORT_MAX; port++) {
  11370. u32 shmem_base, shmem2_base;
  11371. /* In E2, same phy is using for port0 of the two paths */
  11372. if (CHIP_IS_E1x(bp)) {
  11373. shmem_base = shmem_base_path[0];
  11374. shmem2_base = shmem2_base_path[0];
  11375. } else {
  11376. shmem_base = shmem_base_path[port];
  11377. shmem2_base = shmem2_base_path[port];
  11378. }
  11379. /* Extract the ext phy address for the port */
  11380. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11381. port, &phy) !=
  11382. 0) {
  11383. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11384. return -EINVAL;
  11385. }
  11386. /* Reset phy*/
  11387. bnx2x_cl45_write(bp, &phy,
  11388. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11389. /* Set fault module detected LED on */
  11390. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11391. MISC_REGISTERS_GPIO_HIGH,
  11392. port);
  11393. }
  11394. return 0;
  11395. }
  11396. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11397. u8 *io_gpio, u8 *io_port)
  11398. {
  11399. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11400. offsetof(struct shmem_region,
  11401. dev_info.port_hw_config[PORT_0].default_cfg));
  11402. switch (phy_gpio_reset) {
  11403. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11404. *io_gpio = 0;
  11405. *io_port = 0;
  11406. break;
  11407. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11408. *io_gpio = 1;
  11409. *io_port = 0;
  11410. break;
  11411. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11412. *io_gpio = 2;
  11413. *io_port = 0;
  11414. break;
  11415. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11416. *io_gpio = 3;
  11417. *io_port = 0;
  11418. break;
  11419. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11420. *io_gpio = 0;
  11421. *io_port = 1;
  11422. break;
  11423. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11424. *io_gpio = 1;
  11425. *io_port = 1;
  11426. break;
  11427. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11428. *io_gpio = 2;
  11429. *io_port = 1;
  11430. break;
  11431. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11432. *io_gpio = 3;
  11433. *io_port = 1;
  11434. break;
  11435. default:
  11436. /* Don't override the io_gpio and io_port */
  11437. break;
  11438. }
  11439. }
  11440. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11441. u32 shmem_base_path[],
  11442. u32 shmem2_base_path[], u8 phy_index,
  11443. u32 chip_id)
  11444. {
  11445. s8 port, reset_gpio;
  11446. u32 swap_val, swap_override;
  11447. struct bnx2x_phy phy[PORT_MAX];
  11448. struct bnx2x_phy *phy_blk[PORT_MAX];
  11449. s8 port_of_path;
  11450. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11451. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11452. reset_gpio = MISC_REGISTERS_GPIO_1;
  11453. port = 1;
  11454. /* Retrieve the reset gpio/port which control the reset.
  11455. * Default is GPIO1, PORT1
  11456. */
  11457. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11458. (u8 *)&reset_gpio, (u8 *)&port);
  11459. /* Calculate the port based on port swap */
  11460. port ^= (swap_val && swap_override);
  11461. /* Initiate PHY reset*/
  11462. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11463. port);
  11464. usleep_range(1000, 2000);
  11465. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11466. port);
  11467. usleep_range(5000, 10000);
  11468. /* PART1 - Reset both phys */
  11469. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11470. u32 shmem_base, shmem2_base;
  11471. /* In E2, same phy is using for port0 of the two paths */
  11472. if (CHIP_IS_E1x(bp)) {
  11473. shmem_base = shmem_base_path[0];
  11474. shmem2_base = shmem2_base_path[0];
  11475. port_of_path = port;
  11476. } else {
  11477. shmem_base = shmem_base_path[port];
  11478. shmem2_base = shmem2_base_path[port];
  11479. port_of_path = 0;
  11480. }
  11481. /* Extract the ext phy address for the port */
  11482. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11483. port_of_path, &phy[port]) !=
  11484. 0) {
  11485. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11486. return -EINVAL;
  11487. }
  11488. /* disable attentions */
  11489. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11490. port_of_path*4,
  11491. (NIG_MASK_XGXS0_LINK_STATUS |
  11492. NIG_MASK_XGXS0_LINK10G |
  11493. NIG_MASK_SERDES0_LINK_STATUS |
  11494. NIG_MASK_MI_INT));
  11495. /* Reset the phy */
  11496. bnx2x_cl45_write(bp, &phy[port],
  11497. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11498. }
  11499. /* Add delay of 150ms after reset */
  11500. msleep(150);
  11501. if (phy[PORT_0].addr & 0x1) {
  11502. phy_blk[PORT_0] = &(phy[PORT_1]);
  11503. phy_blk[PORT_1] = &(phy[PORT_0]);
  11504. } else {
  11505. phy_blk[PORT_0] = &(phy[PORT_0]);
  11506. phy_blk[PORT_1] = &(phy[PORT_1]);
  11507. }
  11508. /* PART2 - Download firmware to both phys */
  11509. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11510. if (CHIP_IS_E1x(bp))
  11511. port_of_path = port;
  11512. else
  11513. port_of_path = 0;
  11514. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11515. phy_blk[port]->addr);
  11516. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11517. port_of_path))
  11518. return -EINVAL;
  11519. /* Disable PHY transmitter output */
  11520. bnx2x_cl45_write(bp, phy_blk[port],
  11521. MDIO_PMA_DEVAD,
  11522. MDIO_PMA_REG_TX_DISABLE, 1);
  11523. }
  11524. return 0;
  11525. }
  11526. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11527. u32 shmem_base_path[],
  11528. u32 shmem2_base_path[],
  11529. u8 phy_index,
  11530. u32 chip_id)
  11531. {
  11532. u8 reset_gpios;
  11533. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11534. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11535. udelay(10);
  11536. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11537. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11538. reset_gpios);
  11539. return 0;
  11540. }
  11541. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11542. struct bnx2x_phy *phy,
  11543. u8 port)
  11544. {
  11545. u16 val, cnt;
  11546. /* Wait for FW completing its initialization. */
  11547. for (cnt = 0; cnt < 1500; cnt++) {
  11548. bnx2x_cl45_read(bp, phy,
  11549. MDIO_PMA_DEVAD,
  11550. MDIO_PMA_REG_CTRL, &val);
  11551. if (!(val & (1<<15)))
  11552. break;
  11553. usleep_range(1000, 2000);
  11554. }
  11555. if (cnt >= 1500) {
  11556. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11557. return -EINVAL;
  11558. }
  11559. /* Put the port in super isolate mode. */
  11560. bnx2x_cl45_read(bp, phy,
  11561. MDIO_CTL_DEVAD,
  11562. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11563. val |= MDIO_84833_SUPER_ISOLATE;
  11564. bnx2x_cl45_write(bp, phy,
  11565. MDIO_CTL_DEVAD,
  11566. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11567. /* Save spirom version */
  11568. bnx2x_save_848xx_spirom_version(phy, bp, port);
  11569. return 0;
  11570. }
  11571. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11572. u32 shmem_base,
  11573. u32 shmem2_base,
  11574. u32 chip_id,
  11575. u8 port)
  11576. {
  11577. int rc = 0;
  11578. struct bnx2x_phy phy;
  11579. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11580. port, &phy) != 0) {
  11581. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11582. return -EINVAL;
  11583. }
  11584. bnx2x_set_mdio_clk(bp, chip_id, phy.mdio_ctrl);
  11585. switch (phy.type) {
  11586. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11587. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11588. rc = bnx2x_84833_pre_init_phy(bp, &phy, port);
  11589. break;
  11590. default:
  11591. break;
  11592. }
  11593. return rc;
  11594. }
  11595. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11596. u32 shmem2_base_path[], u8 phy_index,
  11597. u32 ext_phy_type, u32 chip_id)
  11598. {
  11599. int rc = 0;
  11600. switch (ext_phy_type) {
  11601. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11602. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11603. shmem2_base_path,
  11604. phy_index, chip_id);
  11605. break;
  11606. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11607. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11608. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11609. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11610. shmem2_base_path,
  11611. phy_index, chip_id);
  11612. break;
  11613. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11614. /* GPIO1 affects both ports, so there's need to pull
  11615. * it for single port alone
  11616. */
  11617. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11618. shmem2_base_path,
  11619. phy_index, chip_id);
  11620. break;
  11621. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11622. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
  11623. /* GPIO3's are linked, and so both need to be toggled
  11624. * to obtain required 2us pulse.
  11625. */
  11626. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11627. shmem2_base_path,
  11628. phy_index, chip_id);
  11629. break;
  11630. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11631. rc = -EINVAL;
  11632. break;
  11633. default:
  11634. DP(NETIF_MSG_LINK,
  11635. "ext_phy 0x%x common init not required\n",
  11636. ext_phy_type);
  11637. break;
  11638. }
  11639. if (rc)
  11640. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11641. " Port %d\n",
  11642. 0);
  11643. return rc;
  11644. }
  11645. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11646. u32 shmem2_base_path[], u32 chip_id)
  11647. {
  11648. int rc = 0;
  11649. u32 phy_ver, val;
  11650. u8 phy_index = 0;
  11651. u32 ext_phy_type, ext_phy_config;
  11652. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC0);
  11653. bnx2x_set_mdio_clk(bp, chip_id, GRCBASE_EMAC1);
  11654. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11655. if (CHIP_IS_E3(bp)) {
  11656. /* Enable EPIO */
  11657. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11658. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11659. }
  11660. /* Check if common init was already done */
  11661. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11662. offsetof(struct shmem_region,
  11663. port_mb[PORT_0].ext_phy_fw_version));
  11664. if (phy_ver) {
  11665. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11666. phy_ver);
  11667. return 0;
  11668. }
  11669. /* Read the ext_phy_type for arbitrary port(0) */
  11670. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11671. phy_index++) {
  11672. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11673. shmem_base_path[0],
  11674. phy_index, 0);
  11675. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11676. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11677. shmem2_base_path,
  11678. phy_index, ext_phy_type,
  11679. chip_id);
  11680. }
  11681. return rc;
  11682. }
  11683. static void bnx2x_check_over_curr(struct link_params *params,
  11684. struct link_vars *vars)
  11685. {
  11686. struct bnx2x *bp = params->bp;
  11687. u32 cfg_pin;
  11688. u8 port = params->port;
  11689. u32 pin_val;
  11690. cfg_pin = (REG_RD(bp, params->shmem_base +
  11691. offsetof(struct shmem_region,
  11692. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11693. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11694. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11695. /* Ignore check if no external input PIN available */
  11696. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11697. return;
  11698. if (!pin_val) {
  11699. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11700. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11701. " been detected and the power to "
  11702. "that SFP+ module has been removed"
  11703. " to prevent failure of the card."
  11704. " Please remove the SFP+ module and"
  11705. " restart the system to clear this"
  11706. " error.\n",
  11707. params->port);
  11708. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11709. bnx2x_warpcore_power_module(params, 0);
  11710. }
  11711. } else
  11712. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11713. }
  11714. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11715. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11716. struct link_vars *vars, u32 status,
  11717. u32 phy_flag, u32 link_flag, u8 notify)
  11718. {
  11719. struct bnx2x *bp = params->bp;
  11720. /* Compare new value with previous value */
  11721. u8 led_mode;
  11722. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11723. if ((status ^ old_status) == 0)
  11724. return 0;
  11725. /* If values differ */
  11726. switch (phy_flag) {
  11727. case PHY_HALF_OPEN_CONN_FLAG:
  11728. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11729. break;
  11730. case PHY_SFP_TX_FAULT_FLAG:
  11731. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11732. break;
  11733. default:
  11734. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11735. }
  11736. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11737. old_status, status);
  11738. /* a. Update shmem->link_status accordingly
  11739. * b. Update link_vars->link_up
  11740. */
  11741. if (status) {
  11742. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11743. vars->link_status |= link_flag;
  11744. vars->link_up = 0;
  11745. vars->phy_flags |= phy_flag;
  11746. /* activate nig drain */
  11747. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11748. /* Set LED mode to off since the PHY doesn't know about these
  11749. * errors
  11750. */
  11751. led_mode = LED_MODE_OFF;
  11752. } else {
  11753. vars->link_status |= LINK_STATUS_LINK_UP;
  11754. vars->link_status &= ~link_flag;
  11755. vars->link_up = 1;
  11756. vars->phy_flags &= ~phy_flag;
  11757. led_mode = LED_MODE_OPER;
  11758. /* Clear nig drain */
  11759. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11760. }
  11761. bnx2x_sync_link(params, vars);
  11762. /* Update the LED according to the link state */
  11763. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11764. /* Update link status in the shared memory */
  11765. bnx2x_update_mng(params, vars->link_status);
  11766. /* C. Trigger General Attention */
  11767. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11768. if (notify)
  11769. bnx2x_notify_link_changed(bp);
  11770. return 1;
  11771. }
  11772. /******************************************************************************
  11773. * Description:
  11774. * This function checks for half opened connection change indication.
  11775. * When such change occurs, it calls the bnx2x_analyze_link_error
  11776. * to check if Remote Fault is set or cleared. Reception of remote fault
  11777. * status message in the MAC indicates that the peer's MAC has detected
  11778. * a fault, for example, due to break in the TX side of fiber.
  11779. *
  11780. ******************************************************************************/
  11781. int bnx2x_check_half_open_conn(struct link_params *params,
  11782. struct link_vars *vars,
  11783. u8 notify)
  11784. {
  11785. struct bnx2x *bp = params->bp;
  11786. u32 lss_status = 0;
  11787. u32 mac_base;
  11788. /* In case link status is physically up @ 10G do */
  11789. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11790. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11791. return 0;
  11792. if (CHIP_IS_E3(bp) &&
  11793. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11794. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11795. /* Check E3 XMAC */
  11796. /* Note that link speed cannot be queried here, since it may be
  11797. * zero while link is down. In case UMAC is active, LSS will
  11798. * simply not be set
  11799. */
  11800. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11801. /* Clear stick bits (Requires rising edge) */
  11802. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11803. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11804. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11805. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11806. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11807. lss_status = 1;
  11808. bnx2x_analyze_link_error(params, vars, lss_status,
  11809. PHY_HALF_OPEN_CONN_FLAG,
  11810. LINK_STATUS_NONE, notify);
  11811. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11812. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11813. /* Check E1X / E2 BMAC */
  11814. u32 lss_status_reg;
  11815. u32 wb_data[2];
  11816. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11817. NIG_REG_INGRESS_BMAC0_MEM;
  11818. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11819. if (CHIP_IS_E2(bp))
  11820. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11821. else
  11822. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11823. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11824. lss_status = (wb_data[0] > 0);
  11825. bnx2x_analyze_link_error(params, vars, lss_status,
  11826. PHY_HALF_OPEN_CONN_FLAG,
  11827. LINK_STATUS_NONE, notify);
  11828. }
  11829. return 0;
  11830. }
  11831. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11832. struct link_params *params,
  11833. struct link_vars *vars)
  11834. {
  11835. struct bnx2x *bp = params->bp;
  11836. u32 cfg_pin, value = 0;
  11837. u8 led_change, port = params->port;
  11838. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11839. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11840. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11841. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11842. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11843. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11844. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11845. return;
  11846. }
  11847. led_change = bnx2x_analyze_link_error(params, vars, value,
  11848. PHY_SFP_TX_FAULT_FLAG,
  11849. LINK_STATUS_SFP_TX_FAULT, 1);
  11850. if (led_change) {
  11851. /* Change TX_Fault led, set link status for further syncs */
  11852. u8 led_mode;
  11853. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11854. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11855. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11856. } else {
  11857. led_mode = MISC_REGISTERS_GPIO_LOW;
  11858. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11859. }
  11860. /* If module is unapproved, led should be on regardless */
  11861. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11862. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11863. led_mode);
  11864. bnx2x_set_e3_module_fault_led(params, led_mode);
  11865. }
  11866. }
  11867. }
  11868. static void bnx2x_disable_kr2(struct link_params *params,
  11869. struct link_vars *vars,
  11870. struct bnx2x_phy *phy)
  11871. {
  11872. struct bnx2x *bp = params->bp;
  11873. int i;
  11874. static struct bnx2x_reg_set reg_set[] = {
  11875. /* Step 1 - Program the TX/RX alignment markers */
  11876. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
  11877. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
  11878. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
  11879. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
  11880. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
  11881. {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
  11882. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
  11883. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
  11884. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
  11885. {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
  11886. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
  11887. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
  11888. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
  11889. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
  11890. {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
  11891. };
  11892. DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
  11893. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  11894. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  11895. reg_set[i].val);
  11896. vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
  11897. bnx2x_update_link_attr(params, vars->link_attr_sync);
  11898. /* Restart AN on leading lane */
  11899. bnx2x_warpcore_restart_AN_KR(phy, params);
  11900. }
  11901. static void bnx2x_kr2_recovery(struct link_params *params,
  11902. struct link_vars *vars,
  11903. struct bnx2x_phy *phy)
  11904. {
  11905. struct bnx2x *bp = params->bp;
  11906. DP(NETIF_MSG_LINK, "KR2 recovery\n");
  11907. bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
  11908. bnx2x_warpcore_restart_AN_KR(phy, params);
  11909. }
  11910. static void bnx2x_check_kr2_wa(struct link_params *params,
  11911. struct link_vars *vars,
  11912. struct bnx2x_phy *phy)
  11913. {
  11914. struct bnx2x *bp = params->bp;
  11915. u16 base_page, next_page, not_kr2_device, lane;
  11916. int sigdet = bnx2x_warpcore_get_sigdet(phy, params);
  11917. if (!sigdet) {
  11918. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11919. bnx2x_kr2_recovery(params, vars, phy);
  11920. return;
  11921. }
  11922. lane = bnx2x_get_warpcore_lane(phy, params);
  11923. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  11924. MDIO_AER_BLOCK_AER_REG, lane);
  11925. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11926. MDIO_AN_REG_LP_AUTO_NEG, &base_page);
  11927. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  11928. MDIO_AN_REG_LP_AUTO_NEG2, &next_page);
  11929. bnx2x_set_aer_mmd(params, phy);
  11930. /* CL73 has not begun yet */
  11931. if (base_page == 0) {
  11932. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE))
  11933. bnx2x_kr2_recovery(params, vars, phy);
  11934. return;
  11935. }
  11936. /* In case NP bit is not set in the BasePage, or it is set,
  11937. * but only KX is advertised, declare this link partner as non-KR2
  11938. * device.
  11939. */
  11940. not_kr2_device = (((base_page & 0x8000) == 0) ||
  11941. (((base_page & 0x8000) &&
  11942. ((next_page & 0xe0) == 0x2))));
  11943. /* In case KR2 is already disabled, check if we need to re-enable it */
  11944. if (!(vars->link_attr_sync & LINK_ATTR_SYNC_KR2_ENABLE)) {
  11945. if (!not_kr2_device) {
  11946. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page,
  11947. next_page);
  11948. bnx2x_kr2_recovery(params, vars, phy);
  11949. }
  11950. return;
  11951. }
  11952. /* KR2 is enabled, but not KR2 device */
  11953. if (not_kr2_device) {
  11954. /* Disable KR2 on both lanes */
  11955. DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
  11956. bnx2x_disable_kr2(params, vars, phy);
  11957. return;
  11958. }
  11959. }
  11960. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11961. {
  11962. u16 phy_idx;
  11963. struct bnx2x *bp = params->bp;
  11964. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11965. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11966. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11967. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11968. 0)
  11969. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11970. break;
  11971. }
  11972. }
  11973. if (CHIP_IS_E3(bp)) {
  11974. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11975. bnx2x_set_aer_mmd(params, phy);
  11976. if ((phy->supported & SUPPORTED_20000baseKR2_Full) &&
  11977. (phy->speed_cap_mask & SPEED_20000))
  11978. bnx2x_check_kr2_wa(params, vars, phy);
  11979. bnx2x_check_over_curr(params, vars);
  11980. if (vars->rx_tx_asic_rst)
  11981. bnx2x_warpcore_config_runtime(phy, params, vars);
  11982. if ((REG_RD(bp, params->shmem_base +
  11983. offsetof(struct shmem_region, dev_info.
  11984. port_hw_config[params->port].default_cfg))
  11985. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11986. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11987. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11988. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11989. } else if (vars->link_status &
  11990. LINK_STATUS_SFP_TX_FAULT) {
  11991. /* Clean trail, interrupt corrects the leds */
  11992. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11993. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11994. /* Update link status in the shared memory */
  11995. bnx2x_update_mng(params, vars->link_status);
  11996. }
  11997. }
  11998. }
  11999. }
  12000. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  12001. u32 shmem_base,
  12002. u32 shmem2_base,
  12003. u8 port)
  12004. {
  12005. u8 phy_index, fan_failure_det_req = 0;
  12006. struct bnx2x_phy phy;
  12007. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12008. phy_index++) {
  12009. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  12010. port, &phy)
  12011. != 0) {
  12012. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12013. return 0;
  12014. }
  12015. fan_failure_det_req |= (phy.flags &
  12016. FLAGS_FAN_FAILURE_DET_REQ);
  12017. }
  12018. return fan_failure_det_req;
  12019. }
  12020. void bnx2x_hw_reset_phy(struct link_params *params)
  12021. {
  12022. u8 phy_index;
  12023. struct bnx2x *bp = params->bp;
  12024. bnx2x_update_mng(params, 0);
  12025. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  12026. (NIG_MASK_XGXS0_LINK_STATUS |
  12027. NIG_MASK_XGXS0_LINK10G |
  12028. NIG_MASK_SERDES0_LINK_STATUS |
  12029. NIG_MASK_MI_INT));
  12030. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  12031. phy_index++) {
  12032. if (params->phy[phy_index].hw_reset) {
  12033. params->phy[phy_index].hw_reset(
  12034. &params->phy[phy_index],
  12035. params);
  12036. params->phy[phy_index] = phy_null;
  12037. }
  12038. }
  12039. }
  12040. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  12041. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  12042. u8 port)
  12043. {
  12044. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  12045. u32 val;
  12046. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  12047. if (CHIP_IS_E3(bp)) {
  12048. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  12049. shmem_base,
  12050. port,
  12051. &gpio_num,
  12052. &gpio_port) != 0)
  12053. return;
  12054. } else {
  12055. struct bnx2x_phy phy;
  12056. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  12057. phy_index++) {
  12058. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  12059. shmem2_base, port, &phy)
  12060. != 0) {
  12061. DP(NETIF_MSG_LINK, "populate phy failed\n");
  12062. return;
  12063. }
  12064. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  12065. gpio_num = MISC_REGISTERS_GPIO_3;
  12066. gpio_port = port;
  12067. break;
  12068. }
  12069. }
  12070. }
  12071. if (gpio_num == 0xff)
  12072. return;
  12073. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  12074. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  12075. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  12076. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  12077. gpio_port ^= (swap_val && swap_override);
  12078. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  12079. (gpio_num + (gpio_port << 2));
  12080. sync_offset = shmem_base +
  12081. offsetof(struct shmem_region,
  12082. dev_info.port_hw_config[port].aeu_int_mask);
  12083. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  12084. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  12085. gpio_num, gpio_port, vars->aeu_int_mask);
  12086. if (port == 0)
  12087. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  12088. else
  12089. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  12090. /* Open appropriate AEU for interrupts */
  12091. aeu_mask = REG_RD(bp, offset);
  12092. aeu_mask |= vars->aeu_int_mask;
  12093. REG_WR(bp, offset, aeu_mask);
  12094. /* Enable the GPIO to trigger interrupt */
  12095. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  12096. val |= 1 << (gpio_num + (gpio_port << 2));
  12097. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  12098. }