bnx2x_link.c 385 KB

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  1. /* Copyright 2008-2012 Broadcom Corporation
  2. *
  3. * Unless you and Broadcom execute a separate written software license
  4. * agreement governing use of this software, this software is licensed to you
  5. * under the terms of the GNU General Public License version 2, available
  6. * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
  7. *
  8. * Notwithstanding the above, under no circumstances may you combine this
  9. * software in any way with any other Broadcom software provided under a
  10. * license other than the GPL, without Broadcom's express prior written
  11. * consent.
  12. *
  13. * Written by Yaniv Rosner
  14. *
  15. */
  16. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  17. #include <linux/kernel.h>
  18. #include <linux/errno.h>
  19. #include <linux/pci.h>
  20. #include <linux/netdevice.h>
  21. #include <linux/delay.h>
  22. #include <linux/ethtool.h>
  23. #include <linux/mutex.h>
  24. #include "bnx2x.h"
  25. #include "bnx2x_cmn.h"
  26. /********************************************************/
  27. #define ETH_HLEN 14
  28. /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
  29. #define ETH_OVREHEAD (ETH_HLEN + 8 + 8)
  30. #define ETH_MIN_PACKET_SIZE 60
  31. #define ETH_MAX_PACKET_SIZE 1500
  32. #define ETH_MAX_JUMBO_PACKET_SIZE 9600
  33. #define MDIO_ACCESS_TIMEOUT 1000
  34. #define WC_LANE_MAX 4
  35. #define I2C_SWITCH_WIDTH 2
  36. #define I2C_BSC0 0
  37. #define I2C_BSC1 1
  38. #define I2C_WA_RETRY_CNT 3
  39. #define I2C_WA_PWR_ITER (I2C_WA_RETRY_CNT - 1)
  40. #define MCPR_IMC_COMMAND_READ_OP 1
  41. #define MCPR_IMC_COMMAND_WRITE_OP 2
  42. /* LED Blink rate that will achieve ~15.9Hz */
  43. #define LED_BLINK_RATE_VAL_E3 354
  44. #define LED_BLINK_RATE_VAL_E1X_E2 480
  45. /***********************************************************/
  46. /* Shortcut definitions */
  47. /***********************************************************/
  48. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  49. #define NIG_STATUS_EMAC0_MI_INT \
  50. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  51. #define NIG_STATUS_XGXS0_LINK10G \
  52. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  53. #define NIG_STATUS_XGXS0_LINK_STATUS \
  54. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  55. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  56. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  57. #define NIG_STATUS_SERDES0_LINK_STATUS \
  58. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  59. #define NIG_MASK_MI_INT \
  60. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  61. #define NIG_MASK_XGXS0_LINK10G \
  62. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  63. #define NIG_MASK_XGXS0_LINK_STATUS \
  64. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  65. #define NIG_MASK_SERDES0_LINK_STATUS \
  66. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  67. #define MDIO_AN_CL73_OR_37_COMPLETE \
  68. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  69. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  70. #define XGXS_RESET_BITS \
  71. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  75. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  76. #define SERDES_RESET_BITS \
  77. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  80. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  81. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  82. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  83. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  84. #define AUTONEG_PARALLEL \
  85. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  86. #define AUTONEG_SGMII_FIBER_AUTODET \
  87. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  88. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  89. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  90. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  91. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  92. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  93. #define GP_STATUS_SPEED_MASK \
  94. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  95. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  96. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  97. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  98. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  99. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  100. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  101. #define GP_STATUS_10G_HIG \
  102. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  103. #define GP_STATUS_10G_CX4 \
  104. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  105. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  106. #define GP_STATUS_10G_KX4 \
  107. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  108. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  109. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  110. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  111. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  112. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  113. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  114. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  115. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  116. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  117. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  118. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  119. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  120. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  121. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  122. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  123. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  124. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  125. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  126. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  127. #define LINK_UPDATE_MASK \
  128. (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \
  129. LINK_STATUS_LINK_UP | \
  130. LINK_STATUS_PHYSICAL_LINK_FLAG | \
  131. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \
  132. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \
  133. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \
  134. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \
  135. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \
  136. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
  137. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  138. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  139. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  140. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  141. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  142. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  143. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  144. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  145. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  146. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  147. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  148. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  149. #define SFP_EEPROM_OPTIONS_SIZE 2
  150. #define EDC_MODE_LINEAR 0x0022
  151. #define EDC_MODE_LIMITING 0x0044
  152. #define EDC_MODE_PASSIVE_DAC 0x0055
  153. /* ETS defines*/
  154. #define DCBX_INVALID_COS (0xFF)
  155. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  156. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  157. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  158. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  159. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  160. #define MAX_PACKET_SIZE (9700)
  161. #define MAX_KR_LINK_RETRY 4
  162. /**********************************************************/
  163. /* INTERFACE */
  164. /**********************************************************/
  165. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  166. bnx2x_cl45_write(_bp, _phy, \
  167. (_phy)->def_md_devad, \
  168. (_bank + (_addr & 0xf)), \
  169. _val)
  170. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  171. bnx2x_cl45_read(_bp, _phy, \
  172. (_phy)->def_md_devad, \
  173. (_bank + (_addr & 0xf)), \
  174. _val)
  175. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  176. {
  177. u32 val = REG_RD(bp, reg);
  178. val |= bits;
  179. REG_WR(bp, reg, val);
  180. return val;
  181. }
  182. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  183. {
  184. u32 val = REG_RD(bp, reg);
  185. val &= ~bits;
  186. REG_WR(bp, reg, val);
  187. return val;
  188. }
  189. /*
  190. * bnx2x_check_lfa - This function checks if link reinitialization is required,
  191. * or link flap can be avoided.
  192. *
  193. * @params: link parameters
  194. * Returns 0 if Link Flap Avoidance conditions are met otherwise, the failed
  195. * condition code.
  196. */
  197. static int bnx2x_check_lfa(struct link_params *params)
  198. {
  199. u32 link_status, cfg_idx, lfa_mask, cfg_size;
  200. u32 cur_speed_cap_mask, cur_req_fc_auto_adv, additional_config;
  201. u32 saved_val, req_val, eee_status;
  202. struct bnx2x *bp = params->bp;
  203. additional_config =
  204. REG_RD(bp, params->lfa_base +
  205. offsetof(struct shmem_lfa, additional_config));
  206. /* NOTE: must be first condition checked -
  207. * to verify DCC bit is cleared in any case!
  208. */
  209. if (additional_config & NO_LFA_DUE_TO_DCC_MASK) {
  210. DP(NETIF_MSG_LINK, "No LFA due to DCC flap after clp exit\n");
  211. REG_WR(bp, params->lfa_base +
  212. offsetof(struct shmem_lfa, additional_config),
  213. additional_config & ~NO_LFA_DUE_TO_DCC_MASK);
  214. return LFA_DCC_LFA_DISABLED;
  215. }
  216. /* Verify that link is up */
  217. link_status = REG_RD(bp, params->shmem_base +
  218. offsetof(struct shmem_region,
  219. port_mb[params->port].link_status));
  220. if (!(link_status & LINK_STATUS_LINK_UP))
  221. return LFA_LINK_DOWN;
  222. /* Verify that loopback mode is not set */
  223. if (params->loopback_mode)
  224. return LFA_LOOPBACK_ENABLED;
  225. /* Verify that MFW supports LFA */
  226. if (!params->lfa_base)
  227. return LFA_MFW_IS_TOO_OLD;
  228. if (params->num_phys == 3) {
  229. cfg_size = 2;
  230. lfa_mask = 0xffffffff;
  231. } else {
  232. cfg_size = 1;
  233. lfa_mask = 0xffff;
  234. }
  235. /* Compare Duplex */
  236. saved_val = REG_RD(bp, params->lfa_base +
  237. offsetof(struct shmem_lfa, req_duplex));
  238. req_val = params->req_duplex[0] | (params->req_duplex[1] << 16);
  239. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  240. DP(NETIF_MSG_LINK, "Duplex mismatch %x vs. %x\n",
  241. (saved_val & lfa_mask), (req_val & lfa_mask));
  242. return LFA_DUPLEX_MISMATCH;
  243. }
  244. /* Compare Flow Control */
  245. saved_val = REG_RD(bp, params->lfa_base +
  246. offsetof(struct shmem_lfa, req_flow_ctrl));
  247. req_val = params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16);
  248. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  249. DP(NETIF_MSG_LINK, "Flow control mismatch %x vs. %x\n",
  250. (saved_val & lfa_mask), (req_val & lfa_mask));
  251. return LFA_FLOW_CTRL_MISMATCH;
  252. }
  253. /* Compare Link Speed */
  254. saved_val = REG_RD(bp, params->lfa_base +
  255. offsetof(struct shmem_lfa, req_line_speed));
  256. req_val = params->req_line_speed[0] | (params->req_line_speed[1] << 16);
  257. if ((saved_val & lfa_mask) != (req_val & lfa_mask)) {
  258. DP(NETIF_MSG_LINK, "Link speed mismatch %x vs. %x\n",
  259. (saved_val & lfa_mask), (req_val & lfa_mask));
  260. return LFA_LINK_SPEED_MISMATCH;
  261. }
  262. for (cfg_idx = 0; cfg_idx < cfg_size; cfg_idx++) {
  263. cur_speed_cap_mask = REG_RD(bp, params->lfa_base +
  264. offsetof(struct shmem_lfa,
  265. speed_cap_mask[cfg_idx]));
  266. if (cur_speed_cap_mask != params->speed_cap_mask[cfg_idx]) {
  267. DP(NETIF_MSG_LINK, "Speed Cap mismatch %x vs. %x\n",
  268. cur_speed_cap_mask,
  269. params->speed_cap_mask[cfg_idx]);
  270. return LFA_SPEED_CAP_MISMATCH;
  271. }
  272. }
  273. cur_req_fc_auto_adv =
  274. REG_RD(bp, params->lfa_base +
  275. offsetof(struct shmem_lfa, additional_config)) &
  276. REQ_FC_AUTO_ADV_MASK;
  277. if ((u16)cur_req_fc_auto_adv != params->req_fc_auto_adv) {
  278. DP(NETIF_MSG_LINK, "Flow Ctrl AN mismatch %x vs. %x\n",
  279. cur_req_fc_auto_adv, params->req_fc_auto_adv);
  280. return LFA_FLOW_CTRL_MISMATCH;
  281. }
  282. eee_status = REG_RD(bp, params->shmem2_base +
  283. offsetof(struct shmem2_region,
  284. eee_status[params->port]));
  285. if (((eee_status & SHMEM_EEE_LPI_REQUESTED_BIT) ^
  286. (params->eee_mode & EEE_MODE_ENABLE_LPI)) ||
  287. ((eee_status & SHMEM_EEE_REQUESTED_BIT) ^
  288. (params->eee_mode & EEE_MODE_ADV_LPI))) {
  289. DP(NETIF_MSG_LINK, "EEE mismatch %x vs. %x\n", params->eee_mode,
  290. eee_status);
  291. return LFA_EEE_MISMATCH;
  292. }
  293. /* LFA conditions are met */
  294. return 0;
  295. }
  296. /******************************************************************/
  297. /* EPIO/GPIO section */
  298. /******************************************************************/
  299. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  300. {
  301. u32 epio_mask, gp_oenable;
  302. *en = 0;
  303. /* Sanity check */
  304. if (epio_pin > 31) {
  305. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  306. return;
  307. }
  308. epio_mask = 1 << epio_pin;
  309. /* Set this EPIO to output */
  310. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  311. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  312. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  313. }
  314. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  315. {
  316. u32 epio_mask, gp_output, gp_oenable;
  317. /* Sanity check */
  318. if (epio_pin > 31) {
  319. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  320. return;
  321. }
  322. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  323. epio_mask = 1 << epio_pin;
  324. /* Set this EPIO to output */
  325. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  326. if (en)
  327. gp_output |= epio_mask;
  328. else
  329. gp_output &= ~epio_mask;
  330. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  331. /* Set the value for this EPIO */
  332. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  333. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  334. }
  335. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  336. {
  337. if (pin_cfg == PIN_CFG_NA)
  338. return;
  339. if (pin_cfg >= PIN_CFG_EPIO0) {
  340. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  341. } else {
  342. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  343. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  344. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  345. }
  346. }
  347. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  348. {
  349. if (pin_cfg == PIN_CFG_NA)
  350. return -EINVAL;
  351. if (pin_cfg >= PIN_CFG_EPIO0) {
  352. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  353. } else {
  354. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  355. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  356. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  357. }
  358. return 0;
  359. }
  360. /******************************************************************/
  361. /* ETS section */
  362. /******************************************************************/
  363. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  364. {
  365. /* ETS disabled configuration*/
  366. struct bnx2x *bp = params->bp;
  367. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  368. /* mapping between entry priority to client number (0,1,2 -debug and
  369. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  370. * 3bits client num.
  371. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  372. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  373. */
  374. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  375. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  376. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  377. * COS0 entry, 4 - COS1 entry.
  378. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  379. * bit4 bit3 bit2 bit1 bit0
  380. * MCP and debug are strict
  381. */
  382. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  383. /* defines which entries (clients) are subjected to WFQ arbitration */
  384. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  385. /* For strict priority entries defines the number of consecutive
  386. * slots for the highest priority.
  387. */
  388. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  389. /* mapping between the CREDIT_WEIGHT registers and actual client
  390. * numbers
  391. */
  392. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  393. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  394. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  395. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  396. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  397. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  398. /* ETS mode disable */
  399. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  400. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  401. * weight for COS0/COS1.
  402. */
  403. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  404. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  405. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  406. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  407. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  408. /* Defines the number of consecutive slots for the strict priority */
  409. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  410. }
  411. /******************************************************************************
  412. * Description:
  413. * Getting min_w_val will be set according to line speed .
  414. *.
  415. ******************************************************************************/
  416. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  417. {
  418. u32 min_w_val = 0;
  419. /* Calculate min_w_val.*/
  420. if (vars->link_up) {
  421. if (vars->line_speed == SPEED_20000)
  422. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  423. else
  424. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  425. } else
  426. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  427. /* If the link isn't up (static configuration for example ) The
  428. * link will be according to 20GBPS.
  429. */
  430. return min_w_val;
  431. }
  432. /******************************************************************************
  433. * Description:
  434. * Getting credit upper bound form min_w_val.
  435. *.
  436. ******************************************************************************/
  437. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  438. {
  439. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  440. MAX_PACKET_SIZE);
  441. return credit_upper_bound;
  442. }
  443. /******************************************************************************
  444. * Description:
  445. * Set credit upper bound for NIG.
  446. *.
  447. ******************************************************************************/
  448. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  449. const struct link_params *params,
  450. const u32 min_w_val)
  451. {
  452. struct bnx2x *bp = params->bp;
  453. const u8 port = params->port;
  454. const u32 credit_upper_bound =
  455. bnx2x_ets_get_credit_upper_bound(min_w_val);
  456. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  457. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  458. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  459. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  460. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  461. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  462. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  463. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  464. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  465. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  466. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  467. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  468. if (!port) {
  469. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  470. credit_upper_bound);
  471. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  472. credit_upper_bound);
  473. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  474. credit_upper_bound);
  475. }
  476. }
  477. /******************************************************************************
  478. * Description:
  479. * Will return the NIG ETS registers to init values.Except
  480. * credit_upper_bound.
  481. * That isn't used in this configuration (No WFQ is enabled) and will be
  482. * configured acording to spec
  483. *.
  484. ******************************************************************************/
  485. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  486. const struct link_vars *vars)
  487. {
  488. struct bnx2x *bp = params->bp;
  489. const u8 port = params->port;
  490. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  491. /* Mapping between entry priority to client number (0,1,2 -debug and
  492. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  493. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  494. * reset value or init tool
  495. */
  496. if (port) {
  497. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  498. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  499. } else {
  500. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  501. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  502. }
  503. /* For strict priority entries defines the number of consecutive
  504. * slots for the highest priority.
  505. */
  506. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  507. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  508. /* Mapping between the CREDIT_WEIGHT registers and actual client
  509. * numbers
  510. */
  511. if (port) {
  512. /*Port 1 has 6 COS*/
  513. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  514. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  515. } else {
  516. /*Port 0 has 9 COS*/
  517. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  518. 0x43210876);
  519. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  520. }
  521. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  522. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  523. * COS0 entry, 4 - COS1 entry.
  524. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  525. * bit4 bit3 bit2 bit1 bit0
  526. * MCP and debug are strict
  527. */
  528. if (port)
  529. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  530. else
  531. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  532. /* defines which entries (clients) are subjected to WFQ arbitration */
  533. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  534. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  535. /* Please notice the register address are note continuous and a
  536. * for here is note appropriate.In 2 port mode port0 only COS0-5
  537. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  538. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  539. * are never used for WFQ
  540. */
  541. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  542. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  543. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  544. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  545. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  546. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  547. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  548. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  549. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  550. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  551. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  552. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  553. if (!port) {
  554. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  555. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  556. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  557. }
  558. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  559. }
  560. /******************************************************************************
  561. * Description:
  562. * Set credit upper bound for PBF.
  563. *.
  564. ******************************************************************************/
  565. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  566. const struct link_params *params,
  567. const u32 min_w_val)
  568. {
  569. struct bnx2x *bp = params->bp;
  570. const u32 credit_upper_bound =
  571. bnx2x_ets_get_credit_upper_bound(min_w_val);
  572. const u8 port = params->port;
  573. u32 base_upper_bound = 0;
  574. u8 max_cos = 0;
  575. u8 i = 0;
  576. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  577. * port mode port1 has COS0-2 that can be used for WFQ.
  578. */
  579. if (!port) {
  580. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  581. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  582. } else {
  583. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  584. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  585. }
  586. for (i = 0; i < max_cos; i++)
  587. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  588. }
  589. /******************************************************************************
  590. * Description:
  591. * Will return the PBF ETS registers to init values.Except
  592. * credit_upper_bound.
  593. * That isn't used in this configuration (No WFQ is enabled) and will be
  594. * configured acording to spec
  595. *.
  596. ******************************************************************************/
  597. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  598. {
  599. struct bnx2x *bp = params->bp;
  600. const u8 port = params->port;
  601. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  602. u8 i = 0;
  603. u32 base_weight = 0;
  604. u8 max_cos = 0;
  605. /* Mapping between entry priority to client number 0 - COS0
  606. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  607. * TODO_ETS - Should be done by reset value or init tool
  608. */
  609. if (port)
  610. /* 0x688 (|011|0 10|00 1|000) */
  611. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  612. else
  613. /* (10 1|100 |011|0 10|00 1|000) */
  614. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  615. /* TODO_ETS - Should be done by reset value or init tool */
  616. if (port)
  617. /* 0x688 (|011|0 10|00 1|000)*/
  618. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  619. else
  620. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  621. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  622. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  623. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  624. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  625. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  626. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  627. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  628. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  629. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  630. */
  631. if (!port) {
  632. base_weight = PBF_REG_COS0_WEIGHT_P0;
  633. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  634. } else {
  635. base_weight = PBF_REG_COS0_WEIGHT_P1;
  636. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  637. }
  638. for (i = 0; i < max_cos; i++)
  639. REG_WR(bp, base_weight + (0x4 * i), 0);
  640. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  641. }
  642. /******************************************************************************
  643. * Description:
  644. * E3B0 disable will return basicly the values to init values.
  645. *.
  646. ******************************************************************************/
  647. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  648. const struct link_vars *vars)
  649. {
  650. struct bnx2x *bp = params->bp;
  651. if (!CHIP_IS_E3B0(bp)) {
  652. DP(NETIF_MSG_LINK,
  653. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  654. return -EINVAL;
  655. }
  656. bnx2x_ets_e3b0_nig_disabled(params, vars);
  657. bnx2x_ets_e3b0_pbf_disabled(params);
  658. return 0;
  659. }
  660. /******************************************************************************
  661. * Description:
  662. * Disable will return basicly the values to init values.
  663. *
  664. ******************************************************************************/
  665. int bnx2x_ets_disabled(struct link_params *params,
  666. struct link_vars *vars)
  667. {
  668. struct bnx2x *bp = params->bp;
  669. int bnx2x_status = 0;
  670. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  671. bnx2x_ets_e2e3a0_disabled(params);
  672. else if (CHIP_IS_E3B0(bp))
  673. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  674. else {
  675. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  676. return -EINVAL;
  677. }
  678. return bnx2x_status;
  679. }
  680. /******************************************************************************
  681. * Description
  682. * Set the COS mappimg to SP and BW until this point all the COS are not
  683. * set as SP or BW.
  684. ******************************************************************************/
  685. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  686. const struct bnx2x_ets_params *ets_params,
  687. const u8 cos_sp_bitmap,
  688. const u8 cos_bw_bitmap)
  689. {
  690. struct bnx2x *bp = params->bp;
  691. const u8 port = params->port;
  692. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  693. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  694. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  695. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  696. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  697. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  698. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  699. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  700. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  701. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  702. nig_cli_subject2wfq_bitmap);
  703. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  704. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  705. pbf_cli_subject2wfq_bitmap);
  706. return 0;
  707. }
  708. /******************************************************************************
  709. * Description:
  710. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  711. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  712. ******************************************************************************/
  713. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  714. const u8 cos_entry,
  715. const u32 min_w_val_nig,
  716. const u32 min_w_val_pbf,
  717. const u16 total_bw,
  718. const u8 bw,
  719. const u8 port)
  720. {
  721. u32 nig_reg_adress_crd_weight = 0;
  722. u32 pbf_reg_adress_crd_weight = 0;
  723. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  724. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  725. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  726. switch (cos_entry) {
  727. case 0:
  728. nig_reg_adress_crd_weight =
  729. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  730. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  731. pbf_reg_adress_crd_weight = (port) ?
  732. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  733. break;
  734. case 1:
  735. nig_reg_adress_crd_weight = (port) ?
  736. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  737. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  738. pbf_reg_adress_crd_weight = (port) ?
  739. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  740. break;
  741. case 2:
  742. nig_reg_adress_crd_weight = (port) ?
  743. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  744. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  745. pbf_reg_adress_crd_weight = (port) ?
  746. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  747. break;
  748. case 3:
  749. if (port)
  750. return -EINVAL;
  751. nig_reg_adress_crd_weight =
  752. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  753. pbf_reg_adress_crd_weight =
  754. PBF_REG_COS3_WEIGHT_P0;
  755. break;
  756. case 4:
  757. if (port)
  758. return -EINVAL;
  759. nig_reg_adress_crd_weight =
  760. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  761. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  762. break;
  763. case 5:
  764. if (port)
  765. return -EINVAL;
  766. nig_reg_adress_crd_weight =
  767. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  768. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  769. break;
  770. }
  771. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  772. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  773. return 0;
  774. }
  775. /******************************************************************************
  776. * Description:
  777. * Calculate the total BW.A value of 0 isn't legal.
  778. *
  779. ******************************************************************************/
  780. static int bnx2x_ets_e3b0_get_total_bw(
  781. const struct link_params *params,
  782. struct bnx2x_ets_params *ets_params,
  783. u16 *total_bw)
  784. {
  785. struct bnx2x *bp = params->bp;
  786. u8 cos_idx = 0;
  787. u8 is_bw_cos_exist = 0;
  788. *total_bw = 0 ;
  789. /* Calculate total BW requested */
  790. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  791. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  792. is_bw_cos_exist = 1;
  793. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  794. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  795. "was set to 0\n");
  796. /* This is to prevent a state when ramrods
  797. * can't be sent
  798. */
  799. ets_params->cos[cos_idx].params.bw_params.bw
  800. = 1;
  801. }
  802. *total_bw +=
  803. ets_params->cos[cos_idx].params.bw_params.bw;
  804. }
  805. }
  806. /* Check total BW is valid */
  807. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  808. if (*total_bw == 0) {
  809. DP(NETIF_MSG_LINK,
  810. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  811. return -EINVAL;
  812. }
  813. DP(NETIF_MSG_LINK,
  814. "bnx2x_ets_E3B0_config total BW should be 100\n");
  815. /* We can handle a case whre the BW isn't 100 this can happen
  816. * if the TC are joined.
  817. */
  818. }
  819. return 0;
  820. }
  821. /******************************************************************************
  822. * Description:
  823. * Invalidate all the sp_pri_to_cos.
  824. *
  825. ******************************************************************************/
  826. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  827. {
  828. u8 pri = 0;
  829. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  830. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  831. }
  832. /******************************************************************************
  833. * Description:
  834. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  835. * according to sp_pri_to_cos.
  836. *
  837. ******************************************************************************/
  838. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  839. u8 *sp_pri_to_cos, const u8 pri,
  840. const u8 cos_entry)
  841. {
  842. struct bnx2x *bp = params->bp;
  843. const u8 port = params->port;
  844. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  845. DCBX_E3B0_MAX_NUM_COS_PORT0;
  846. if (pri >= max_num_of_cos) {
  847. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  848. "parameter Illegal strict priority\n");
  849. return -EINVAL;
  850. }
  851. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  852. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  853. "parameter There can't be two COS's with "
  854. "the same strict pri\n");
  855. return -EINVAL;
  856. }
  857. sp_pri_to_cos[pri] = cos_entry;
  858. return 0;
  859. }
  860. /******************************************************************************
  861. * Description:
  862. * Returns the correct value according to COS and priority in
  863. * the sp_pri_cli register.
  864. *
  865. ******************************************************************************/
  866. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  867. const u8 pri_set,
  868. const u8 pri_offset,
  869. const u8 entry_size)
  870. {
  871. u64 pri_cli_nig = 0;
  872. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  873. (pri_set + pri_offset));
  874. return pri_cli_nig;
  875. }
  876. /******************************************************************************
  877. * Description:
  878. * Returns the correct value according to COS and priority in the
  879. * sp_pri_cli register for NIG.
  880. *
  881. ******************************************************************************/
  882. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  883. {
  884. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  885. const u8 nig_cos_offset = 3;
  886. const u8 nig_pri_offset = 3;
  887. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  888. nig_pri_offset, 4);
  889. }
  890. /******************************************************************************
  891. * Description:
  892. * Returns the correct value according to COS and priority in the
  893. * sp_pri_cli register for PBF.
  894. *
  895. ******************************************************************************/
  896. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  897. {
  898. const u8 pbf_cos_offset = 0;
  899. const u8 pbf_pri_offset = 0;
  900. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  901. pbf_pri_offset, 3);
  902. }
  903. /******************************************************************************
  904. * Description:
  905. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  906. * according to sp_pri_to_cos.(which COS has higher priority)
  907. *
  908. ******************************************************************************/
  909. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  910. u8 *sp_pri_to_cos)
  911. {
  912. struct bnx2x *bp = params->bp;
  913. u8 i = 0;
  914. const u8 port = params->port;
  915. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  916. u64 pri_cli_nig = 0x210;
  917. u32 pri_cli_pbf = 0x0;
  918. u8 pri_set = 0;
  919. u8 pri_bitmask = 0;
  920. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  921. DCBX_E3B0_MAX_NUM_COS_PORT0;
  922. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  923. /* Set all the strict priority first */
  924. for (i = 0; i < max_num_of_cos; i++) {
  925. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  926. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  927. DP(NETIF_MSG_LINK,
  928. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  929. "invalid cos entry\n");
  930. return -EINVAL;
  931. }
  932. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  933. sp_pri_to_cos[i], pri_set);
  934. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  935. sp_pri_to_cos[i], pri_set);
  936. pri_bitmask = 1 << sp_pri_to_cos[i];
  937. /* COS is used remove it from bitmap.*/
  938. if (!(pri_bitmask & cos_bit_to_set)) {
  939. DP(NETIF_MSG_LINK,
  940. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  941. "invalid There can't be two COS's with"
  942. " the same strict pri\n");
  943. return -EINVAL;
  944. }
  945. cos_bit_to_set &= ~pri_bitmask;
  946. pri_set++;
  947. }
  948. }
  949. /* Set all the Non strict priority i= COS*/
  950. for (i = 0; i < max_num_of_cos; i++) {
  951. pri_bitmask = 1 << i;
  952. /* Check if COS was already used for SP */
  953. if (pri_bitmask & cos_bit_to_set) {
  954. /* COS wasn't used for SP */
  955. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  956. i, pri_set);
  957. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  958. i, pri_set);
  959. /* COS is used remove it from bitmap.*/
  960. cos_bit_to_set &= ~pri_bitmask;
  961. pri_set++;
  962. }
  963. }
  964. if (pri_set != max_num_of_cos) {
  965. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  966. "entries were set\n");
  967. return -EINVAL;
  968. }
  969. if (port) {
  970. /* Only 6 usable clients*/
  971. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  972. (u32)pri_cli_nig);
  973. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  974. } else {
  975. /* Only 9 usable clients*/
  976. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  977. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  978. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  979. pri_cli_nig_lsb);
  980. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  981. pri_cli_nig_msb);
  982. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  983. }
  984. return 0;
  985. }
  986. /******************************************************************************
  987. * Description:
  988. * Configure the COS to ETS according to BW and SP settings.
  989. ******************************************************************************/
  990. int bnx2x_ets_e3b0_config(const struct link_params *params,
  991. const struct link_vars *vars,
  992. struct bnx2x_ets_params *ets_params)
  993. {
  994. struct bnx2x *bp = params->bp;
  995. int bnx2x_status = 0;
  996. const u8 port = params->port;
  997. u16 total_bw = 0;
  998. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  999. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  1000. u8 cos_bw_bitmap = 0;
  1001. u8 cos_sp_bitmap = 0;
  1002. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  1003. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  1004. DCBX_E3B0_MAX_NUM_COS_PORT0;
  1005. u8 cos_entry = 0;
  1006. if (!CHIP_IS_E3B0(bp)) {
  1007. DP(NETIF_MSG_LINK,
  1008. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  1009. return -EINVAL;
  1010. }
  1011. if ((ets_params->num_of_cos > max_num_of_cos)) {
  1012. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  1013. "isn't supported\n");
  1014. return -EINVAL;
  1015. }
  1016. /* Prepare sp strict priority parameters*/
  1017. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  1018. /* Prepare BW parameters*/
  1019. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  1020. &total_bw);
  1021. if (bnx2x_status) {
  1022. DP(NETIF_MSG_LINK,
  1023. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  1024. return -EINVAL;
  1025. }
  1026. /* Upper bound is set according to current link speed (min_w_val
  1027. * should be the same for upper bound and COS credit val).
  1028. */
  1029. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  1030. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  1031. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1032. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1033. cos_bw_bitmap |= (1 << cos_entry);
  1034. /* The function also sets the BW in HW(not the mappin
  1035. * yet)
  1036. */
  1037. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1038. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1039. total_bw,
  1040. ets_params->cos[cos_entry].params.bw_params.bw,
  1041. port);
  1042. } else if (bnx2x_cos_state_strict ==
  1043. ets_params->cos[cos_entry].state){
  1044. cos_sp_bitmap |= (1 << cos_entry);
  1045. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1046. params,
  1047. sp_pri_to_cos,
  1048. ets_params->cos[cos_entry].params.sp_params.pri,
  1049. cos_entry);
  1050. } else {
  1051. DP(NETIF_MSG_LINK,
  1052. "bnx2x_ets_e3b0_config cos state not valid\n");
  1053. return -EINVAL;
  1054. }
  1055. if (bnx2x_status) {
  1056. DP(NETIF_MSG_LINK,
  1057. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1058. return bnx2x_status;
  1059. }
  1060. }
  1061. /* Set SP register (which COS has higher priority) */
  1062. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1063. sp_pri_to_cos);
  1064. if (bnx2x_status) {
  1065. DP(NETIF_MSG_LINK,
  1066. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1067. return bnx2x_status;
  1068. }
  1069. /* Set client mapping of BW and strict */
  1070. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1071. cos_sp_bitmap,
  1072. cos_bw_bitmap);
  1073. if (bnx2x_status) {
  1074. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1075. return bnx2x_status;
  1076. }
  1077. return 0;
  1078. }
  1079. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1080. {
  1081. /* ETS disabled configuration */
  1082. struct bnx2x *bp = params->bp;
  1083. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1084. /* Defines which entries (clients) are subjected to WFQ arbitration
  1085. * COS0 0x8
  1086. * COS1 0x10
  1087. */
  1088. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1089. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1090. * client numbers (WEIGHT_0 does not actually have to represent
  1091. * client 0)
  1092. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1093. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1094. */
  1095. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1096. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1097. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1098. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1099. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1100. /* ETS mode enabled*/
  1101. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1102. /* Defines the number of consecutive slots for the strict priority */
  1103. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1104. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1105. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1106. * entry, 4 - COS1 entry.
  1107. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1108. * bit4 bit3 bit2 bit1 bit0
  1109. * MCP and debug are strict
  1110. */
  1111. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1112. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1113. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1114. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1115. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1116. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1117. }
  1118. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1119. const u32 cos1_bw)
  1120. {
  1121. /* ETS disabled configuration*/
  1122. struct bnx2x *bp = params->bp;
  1123. const u32 total_bw = cos0_bw + cos1_bw;
  1124. u32 cos0_credit_weight = 0;
  1125. u32 cos1_credit_weight = 0;
  1126. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1127. if ((!total_bw) ||
  1128. (!cos0_bw) ||
  1129. (!cos1_bw)) {
  1130. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1131. return;
  1132. }
  1133. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1134. total_bw;
  1135. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1136. total_bw;
  1137. bnx2x_ets_bw_limit_common(params);
  1138. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1139. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1140. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1141. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1142. }
  1143. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1144. {
  1145. /* ETS disabled configuration*/
  1146. struct bnx2x *bp = params->bp;
  1147. u32 val = 0;
  1148. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1149. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1150. * as strict. Bits 0,1,2 - debug and management entries,
  1151. * 3 - COS0 entry, 4 - COS1 entry.
  1152. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1153. * bit4 bit3 bit2 bit1 bit0
  1154. * MCP and debug are strict
  1155. */
  1156. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1157. /* For strict priority entries defines the number of consecutive slots
  1158. * for the highest priority.
  1159. */
  1160. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1161. /* ETS mode disable */
  1162. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1163. /* Defines the number of consecutive slots for the strict priority */
  1164. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1165. /* Defines the number of consecutive slots for the strict priority */
  1166. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1167. /* Mapping between entry priority to client number (0,1,2 -debug and
  1168. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1169. * 3bits client num.
  1170. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1171. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1172. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1173. */
  1174. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1175. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1176. return 0;
  1177. }
  1178. /******************************************************************/
  1179. /* PFC section */
  1180. /******************************************************************/
  1181. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1182. struct link_vars *vars,
  1183. u8 is_lb)
  1184. {
  1185. struct bnx2x *bp = params->bp;
  1186. u32 xmac_base;
  1187. u32 pause_val, pfc0_val, pfc1_val;
  1188. /* XMAC base adrr */
  1189. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1190. /* Initialize pause and pfc registers */
  1191. pause_val = 0x18000;
  1192. pfc0_val = 0xFFFF8000;
  1193. pfc1_val = 0x2;
  1194. /* No PFC support */
  1195. if (!(params->feature_config_flags &
  1196. FEATURE_CONFIG_PFC_ENABLED)) {
  1197. /* RX flow control - Process pause frame in receive direction
  1198. */
  1199. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1200. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1201. /* TX flow control - Send pause packet when buffer is full */
  1202. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1203. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1204. } else {/* PFC support */
  1205. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1206. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1207. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1208. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1209. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1210. /* Write pause and PFC registers */
  1211. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1212. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1213. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1214. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1215. }
  1216. /* Write pause and PFC registers */
  1217. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1218. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1219. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1220. /* Set MAC address for source TX Pause/PFC frames */
  1221. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1222. ((params->mac_addr[2] << 24) |
  1223. (params->mac_addr[3] << 16) |
  1224. (params->mac_addr[4] << 8) |
  1225. (params->mac_addr[5])));
  1226. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1227. ((params->mac_addr[0] << 8) |
  1228. (params->mac_addr[1])));
  1229. udelay(30);
  1230. }
  1231. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1232. u32 pfc_frames_sent[2],
  1233. u32 pfc_frames_received[2])
  1234. {
  1235. /* Read pfc statistic */
  1236. struct bnx2x *bp = params->bp;
  1237. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1238. u32 val_xon = 0;
  1239. u32 val_xoff = 0;
  1240. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1241. /* PFC received frames */
  1242. val_xoff = REG_RD(bp, emac_base +
  1243. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1244. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1245. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1246. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1247. pfc_frames_received[0] = val_xon + val_xoff;
  1248. /* PFC received sent */
  1249. val_xoff = REG_RD(bp, emac_base +
  1250. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1251. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1252. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1253. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1254. pfc_frames_sent[0] = val_xon + val_xoff;
  1255. }
  1256. /* Read pfc statistic*/
  1257. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1258. u32 pfc_frames_sent[2],
  1259. u32 pfc_frames_received[2])
  1260. {
  1261. /* Read pfc statistic */
  1262. struct bnx2x *bp = params->bp;
  1263. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1264. if (!vars->link_up)
  1265. return;
  1266. if (vars->mac_type == MAC_TYPE_EMAC) {
  1267. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1268. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1269. pfc_frames_received);
  1270. }
  1271. }
  1272. /******************************************************************/
  1273. /* MAC/PBF section */
  1274. /******************************************************************/
  1275. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1276. {
  1277. u32 mode, emac_base;
  1278. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1279. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1280. */
  1281. if (CHIP_IS_E2(bp))
  1282. emac_base = GRCBASE_EMAC0;
  1283. else
  1284. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1285. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1286. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1287. EMAC_MDIO_MODE_CLOCK_CNT);
  1288. if (USES_WARPCORE(bp))
  1289. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1290. else
  1291. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1292. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1293. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1294. udelay(40);
  1295. }
  1296. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1297. {
  1298. u32 port4mode_ovwr_val;
  1299. /* Check 4-port override enabled */
  1300. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1301. if (port4mode_ovwr_val & (1<<0)) {
  1302. /* Return 4-port mode override value */
  1303. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1304. }
  1305. /* Return 4-port mode from input pin */
  1306. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1307. }
  1308. static void bnx2x_emac_init(struct link_params *params,
  1309. struct link_vars *vars)
  1310. {
  1311. /* reset and unreset the emac core */
  1312. struct bnx2x *bp = params->bp;
  1313. u8 port = params->port;
  1314. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1315. u32 val;
  1316. u16 timeout;
  1317. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1318. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1319. udelay(5);
  1320. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1321. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1322. /* init emac - use read-modify-write */
  1323. /* self clear reset */
  1324. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1325. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1326. timeout = 200;
  1327. do {
  1328. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1329. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1330. if (!timeout) {
  1331. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1332. return;
  1333. }
  1334. timeout--;
  1335. } while (val & EMAC_MODE_RESET);
  1336. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1337. /* Set mac address */
  1338. val = ((params->mac_addr[0] << 8) |
  1339. params->mac_addr[1]);
  1340. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1341. val = ((params->mac_addr[2] << 24) |
  1342. (params->mac_addr[3] << 16) |
  1343. (params->mac_addr[4] << 8) |
  1344. params->mac_addr[5]);
  1345. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1346. }
  1347. static void bnx2x_set_xumac_nig(struct link_params *params,
  1348. u16 tx_pause_en,
  1349. u8 enable)
  1350. {
  1351. struct bnx2x *bp = params->bp;
  1352. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1353. enable);
  1354. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1355. enable);
  1356. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1357. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1358. }
  1359. static void bnx2x_set_umac_rxtx(struct link_params *params, u8 en)
  1360. {
  1361. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1362. u32 val;
  1363. struct bnx2x *bp = params->bp;
  1364. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1365. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1366. return;
  1367. val = REG_RD(bp, umac_base + UMAC_REG_COMMAND_CONFIG);
  1368. if (en)
  1369. val |= (UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1370. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1371. else
  1372. val &= ~(UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1373. UMAC_COMMAND_CONFIG_REG_RX_ENA);
  1374. /* Disable RX and TX */
  1375. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1376. }
  1377. static void bnx2x_umac_enable(struct link_params *params,
  1378. struct link_vars *vars, u8 lb)
  1379. {
  1380. u32 val;
  1381. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1382. struct bnx2x *bp = params->bp;
  1383. /* Reset UMAC */
  1384. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1385. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1386. usleep_range(1000, 2000);
  1387. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1388. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1389. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1390. /* This register opens the gate for the UMAC despite its name */
  1391. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1392. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1393. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1394. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1395. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1396. switch (vars->line_speed) {
  1397. case SPEED_10:
  1398. val |= (0<<2);
  1399. break;
  1400. case SPEED_100:
  1401. val |= (1<<2);
  1402. break;
  1403. case SPEED_1000:
  1404. val |= (2<<2);
  1405. break;
  1406. case SPEED_2500:
  1407. val |= (3<<2);
  1408. break;
  1409. default:
  1410. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1411. vars->line_speed);
  1412. break;
  1413. }
  1414. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1415. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1416. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1417. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1418. if (vars->duplex == DUPLEX_HALF)
  1419. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1420. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1421. udelay(50);
  1422. /* Configure UMAC for EEE */
  1423. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1424. DP(NETIF_MSG_LINK, "configured UMAC for EEE\n");
  1425. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL,
  1426. UMAC_UMAC_EEE_CTRL_REG_EEE_EN);
  1427. REG_WR(bp, umac_base + UMAC_REG_EEE_WAKE_TIMER, 0x11);
  1428. } else {
  1429. REG_WR(bp, umac_base + UMAC_REG_UMAC_EEE_CTRL, 0x0);
  1430. }
  1431. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1432. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1433. ((params->mac_addr[2] << 24) |
  1434. (params->mac_addr[3] << 16) |
  1435. (params->mac_addr[4] << 8) |
  1436. (params->mac_addr[5])));
  1437. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1438. ((params->mac_addr[0] << 8) |
  1439. (params->mac_addr[1])));
  1440. /* Enable RX and TX */
  1441. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1442. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1443. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1444. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1445. udelay(50);
  1446. /* Remove SW Reset */
  1447. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1448. /* Check loopback mode */
  1449. if (lb)
  1450. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1451. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1452. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1453. * length used by the MAC receive logic to check frames.
  1454. */
  1455. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1456. bnx2x_set_xumac_nig(params,
  1457. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1458. vars->mac_type = MAC_TYPE_UMAC;
  1459. }
  1460. /* Define the XMAC mode */
  1461. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1462. {
  1463. struct bnx2x *bp = params->bp;
  1464. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1465. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1466. * already out of reset, it means the mode has already been set,
  1467. * and it must not* reset the XMAC again, since it controls both
  1468. * ports of the path
  1469. */
  1470. if ((CHIP_NUM(bp) == CHIP_NUM_57840_4_10) &&
  1471. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1472. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1473. DP(NETIF_MSG_LINK,
  1474. "XMAC already out of reset in 4-port mode\n");
  1475. return;
  1476. }
  1477. /* Hard reset */
  1478. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1479. MISC_REGISTERS_RESET_REG_2_XMAC);
  1480. usleep_range(1000, 2000);
  1481. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1482. MISC_REGISTERS_RESET_REG_2_XMAC);
  1483. if (is_port4mode) {
  1484. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1485. /* Set the number of ports on the system side to up to 2 */
  1486. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1487. /* Set the number of ports on the Warp Core to 10G */
  1488. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1489. } else {
  1490. /* Set the number of ports on the system side to 1 */
  1491. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1492. if (max_speed == SPEED_10000) {
  1493. DP(NETIF_MSG_LINK,
  1494. "Init XMAC to 10G x 1 port per path\n");
  1495. /* Set the number of ports on the Warp Core to 10G */
  1496. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1497. } else {
  1498. DP(NETIF_MSG_LINK,
  1499. "Init XMAC to 20G x 2 ports per path\n");
  1500. /* Set the number of ports on the Warp Core to 20G */
  1501. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1502. }
  1503. }
  1504. /* Soft reset */
  1505. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1506. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1507. usleep_range(1000, 2000);
  1508. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1509. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1510. }
  1511. static void bnx2x_set_xmac_rxtx(struct link_params *params, u8 en)
  1512. {
  1513. u8 port = params->port;
  1514. struct bnx2x *bp = params->bp;
  1515. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1516. u32 val;
  1517. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1518. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1519. /* Send an indication to change the state in the NIG back to XON
  1520. * Clearing this bit enables the next set of this bit to get
  1521. * rising edge
  1522. */
  1523. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1524. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1525. (pfc_ctrl & ~(1<<1)));
  1526. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1527. (pfc_ctrl | (1<<1)));
  1528. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1529. val = REG_RD(bp, xmac_base + XMAC_REG_CTRL);
  1530. if (en)
  1531. val |= (XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1532. else
  1533. val &= ~(XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN);
  1534. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1535. }
  1536. }
  1537. static int bnx2x_xmac_enable(struct link_params *params,
  1538. struct link_vars *vars, u8 lb)
  1539. {
  1540. u32 val, xmac_base;
  1541. struct bnx2x *bp = params->bp;
  1542. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1543. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1544. bnx2x_xmac_init(params, vars->line_speed);
  1545. /* This register determines on which events the MAC will assert
  1546. * error on the i/f to the NIG along w/ EOP.
  1547. */
  1548. /* This register tells the NIG whether to send traffic to UMAC
  1549. * or XMAC
  1550. */
  1551. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1552. /* Set Max packet size */
  1553. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1554. /* CRC append for Tx packets */
  1555. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1556. /* update PFC */
  1557. bnx2x_update_pfc_xmac(params, vars, 0);
  1558. if (vars->eee_status & SHMEM_EEE_ADV_STATUS_MASK) {
  1559. DP(NETIF_MSG_LINK, "Setting XMAC for EEE\n");
  1560. REG_WR(bp, xmac_base + XMAC_REG_EEE_TIMERS_HI, 0x1380008);
  1561. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x1);
  1562. } else {
  1563. REG_WR(bp, xmac_base + XMAC_REG_EEE_CTRL, 0x0);
  1564. }
  1565. /* Enable TX and RX */
  1566. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1567. /* Check loopback mode */
  1568. if (lb)
  1569. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1570. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1571. bnx2x_set_xumac_nig(params,
  1572. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1573. vars->mac_type = MAC_TYPE_XMAC;
  1574. return 0;
  1575. }
  1576. static int bnx2x_emac_enable(struct link_params *params,
  1577. struct link_vars *vars, u8 lb)
  1578. {
  1579. struct bnx2x *bp = params->bp;
  1580. u8 port = params->port;
  1581. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1582. u32 val;
  1583. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1584. /* Disable BMAC */
  1585. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1586. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1587. /* enable emac and not bmac */
  1588. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1589. /* ASIC */
  1590. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1591. u32 ser_lane = ((params->lane_config &
  1592. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1593. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1594. DP(NETIF_MSG_LINK, "XGXS\n");
  1595. /* select the master lanes (out of 0-3) */
  1596. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1597. /* select XGXS */
  1598. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1599. } else { /* SerDes */
  1600. DP(NETIF_MSG_LINK, "SerDes\n");
  1601. /* select SerDes */
  1602. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1603. }
  1604. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1605. EMAC_RX_MODE_RESET);
  1606. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1607. EMAC_TX_MODE_RESET);
  1608. /* pause enable/disable */
  1609. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1610. EMAC_RX_MODE_FLOW_EN);
  1611. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1612. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1613. EMAC_TX_MODE_FLOW_EN));
  1614. if (!(params->feature_config_flags &
  1615. FEATURE_CONFIG_PFC_ENABLED)) {
  1616. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1617. bnx2x_bits_en(bp, emac_base +
  1618. EMAC_REG_EMAC_RX_MODE,
  1619. EMAC_RX_MODE_FLOW_EN);
  1620. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1621. bnx2x_bits_en(bp, emac_base +
  1622. EMAC_REG_EMAC_TX_MODE,
  1623. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1624. EMAC_TX_MODE_FLOW_EN));
  1625. } else
  1626. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1627. EMAC_TX_MODE_FLOW_EN);
  1628. /* KEEP_VLAN_TAG, promiscuous */
  1629. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1630. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1631. /* Setting this bit causes MAC control frames (except for pause
  1632. * frames) to be passed on for processing. This setting has no
  1633. * affect on the operation of the pause frames. This bit effects
  1634. * all packets regardless of RX Parser packet sorting logic.
  1635. * Turn the PFC off to make sure we are in Xon state before
  1636. * enabling it.
  1637. */
  1638. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1639. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1640. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1641. /* Enable PFC again */
  1642. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1643. EMAC_REG_RX_PFC_MODE_RX_EN |
  1644. EMAC_REG_RX_PFC_MODE_TX_EN |
  1645. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1646. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1647. ((0x0101 <<
  1648. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1649. (0x00ff <<
  1650. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1651. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1652. }
  1653. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1654. /* Set Loopback */
  1655. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1656. if (lb)
  1657. val |= 0x810;
  1658. else
  1659. val &= ~0x810;
  1660. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1661. /* Enable emac */
  1662. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1663. /* Enable emac for jumbo packets */
  1664. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1665. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1666. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1667. /* Strip CRC */
  1668. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1669. /* Disable the NIG in/out to the bmac */
  1670. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1671. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1672. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1673. /* Enable the NIG in/out to the emac */
  1674. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1675. val = 0;
  1676. if ((params->feature_config_flags &
  1677. FEATURE_CONFIG_PFC_ENABLED) ||
  1678. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1679. val = 1;
  1680. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1681. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1682. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1683. vars->mac_type = MAC_TYPE_EMAC;
  1684. return 0;
  1685. }
  1686. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1687. struct link_vars *vars)
  1688. {
  1689. u32 wb_data[2];
  1690. struct bnx2x *bp = params->bp;
  1691. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1692. NIG_REG_INGRESS_BMAC0_MEM;
  1693. u32 val = 0x14;
  1694. if ((!(params->feature_config_flags &
  1695. FEATURE_CONFIG_PFC_ENABLED)) &&
  1696. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1697. /* Enable BigMAC to react on received Pause packets */
  1698. val |= (1<<5);
  1699. wb_data[0] = val;
  1700. wb_data[1] = 0;
  1701. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1702. /* TX control */
  1703. val = 0xc0;
  1704. if (!(params->feature_config_flags &
  1705. FEATURE_CONFIG_PFC_ENABLED) &&
  1706. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1707. val |= 0x800000;
  1708. wb_data[0] = val;
  1709. wb_data[1] = 0;
  1710. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1711. }
  1712. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1713. struct link_vars *vars,
  1714. u8 is_lb)
  1715. {
  1716. /* Set rx control: Strip CRC and enable BigMAC to relay
  1717. * control packets to the system as well
  1718. */
  1719. u32 wb_data[2];
  1720. struct bnx2x *bp = params->bp;
  1721. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1722. NIG_REG_INGRESS_BMAC0_MEM;
  1723. u32 val = 0x14;
  1724. if ((!(params->feature_config_flags &
  1725. FEATURE_CONFIG_PFC_ENABLED)) &&
  1726. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1727. /* Enable BigMAC to react on received Pause packets */
  1728. val |= (1<<5);
  1729. wb_data[0] = val;
  1730. wb_data[1] = 0;
  1731. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1732. udelay(30);
  1733. /* Tx control */
  1734. val = 0xc0;
  1735. if (!(params->feature_config_flags &
  1736. FEATURE_CONFIG_PFC_ENABLED) &&
  1737. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1738. val |= 0x800000;
  1739. wb_data[0] = val;
  1740. wb_data[1] = 0;
  1741. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1742. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1743. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1744. /* Enable PFC RX & TX & STATS and set 8 COS */
  1745. wb_data[0] = 0x0;
  1746. wb_data[0] |= (1<<0); /* RX */
  1747. wb_data[0] |= (1<<1); /* TX */
  1748. wb_data[0] |= (1<<2); /* Force initial Xon */
  1749. wb_data[0] |= (1<<3); /* 8 cos */
  1750. wb_data[0] |= (1<<5); /* STATS */
  1751. wb_data[1] = 0;
  1752. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1753. wb_data, 2);
  1754. /* Clear the force Xon */
  1755. wb_data[0] &= ~(1<<2);
  1756. } else {
  1757. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1758. /* Disable PFC RX & TX & STATS and set 8 COS */
  1759. wb_data[0] = 0x8;
  1760. wb_data[1] = 0;
  1761. }
  1762. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1763. /* Set Time (based unit is 512 bit time) between automatic
  1764. * re-sending of PP packets amd enable automatic re-send of
  1765. * Per-Priroity Packet as long as pp_gen is asserted and
  1766. * pp_disable is low.
  1767. */
  1768. val = 0x8000;
  1769. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1770. val |= (1<<16); /* enable automatic re-send */
  1771. wb_data[0] = val;
  1772. wb_data[1] = 0;
  1773. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1774. wb_data, 2);
  1775. /* mac control */
  1776. val = 0x3; /* Enable RX and TX */
  1777. if (is_lb) {
  1778. val |= 0x4; /* Local loopback */
  1779. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1780. }
  1781. /* When PFC enabled, Pass pause frames towards the NIG. */
  1782. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1783. val |= ((1<<6)|(1<<5));
  1784. wb_data[0] = val;
  1785. wb_data[1] = 0;
  1786. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1787. }
  1788. /******************************************************************************
  1789. * Description:
  1790. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  1791. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  1792. ******************************************************************************/
  1793. static int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  1794. u8 cos_entry,
  1795. u32 priority_mask, u8 port)
  1796. {
  1797. u32 nig_reg_rx_priority_mask_add = 0;
  1798. switch (cos_entry) {
  1799. case 0:
  1800. nig_reg_rx_priority_mask_add = (port) ?
  1801. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  1802. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  1803. break;
  1804. case 1:
  1805. nig_reg_rx_priority_mask_add = (port) ?
  1806. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  1807. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  1808. break;
  1809. case 2:
  1810. nig_reg_rx_priority_mask_add = (port) ?
  1811. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  1812. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  1813. break;
  1814. case 3:
  1815. if (port)
  1816. return -EINVAL;
  1817. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  1818. break;
  1819. case 4:
  1820. if (port)
  1821. return -EINVAL;
  1822. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  1823. break;
  1824. case 5:
  1825. if (port)
  1826. return -EINVAL;
  1827. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  1828. break;
  1829. }
  1830. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  1831. return 0;
  1832. }
  1833. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  1834. {
  1835. struct bnx2x *bp = params->bp;
  1836. REG_WR(bp, params->shmem_base +
  1837. offsetof(struct shmem_region,
  1838. port_mb[params->port].link_status), link_status);
  1839. }
  1840. static void bnx2x_update_pfc_nig(struct link_params *params,
  1841. struct link_vars *vars,
  1842. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  1843. {
  1844. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  1845. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  1846. u32 pkt_priority_to_cos = 0;
  1847. struct bnx2x *bp = params->bp;
  1848. u8 port = params->port;
  1849. int set_pfc = params->feature_config_flags &
  1850. FEATURE_CONFIG_PFC_ENABLED;
  1851. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  1852. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  1853. * MAC control frames (that are not pause packets)
  1854. * will be forwarded to the XCM.
  1855. */
  1856. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1857. NIG_REG_LLH0_XCM_MASK);
  1858. /* NIG params will override non PFC params, since it's possible to
  1859. * do transition from PFC to SAFC
  1860. */
  1861. if (set_pfc) {
  1862. pause_enable = 0;
  1863. llfc_out_en = 0;
  1864. llfc_enable = 0;
  1865. if (CHIP_IS_E3(bp))
  1866. ppp_enable = 0;
  1867. else
  1868. ppp_enable = 1;
  1869. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1870. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1871. xcm_out_en = 0;
  1872. hwpfc_enable = 1;
  1873. } else {
  1874. if (nig_params) {
  1875. llfc_out_en = nig_params->llfc_out_en;
  1876. llfc_enable = nig_params->llfc_enable;
  1877. pause_enable = nig_params->pause_enable;
  1878. } else /* Default non PFC mode - PAUSE */
  1879. pause_enable = 1;
  1880. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  1881. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  1882. xcm_out_en = 1;
  1883. }
  1884. if (CHIP_IS_E3(bp))
  1885. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  1886. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  1887. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  1888. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  1889. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  1890. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  1891. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  1892. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  1893. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  1894. NIG_REG_PPP_ENABLE_0, ppp_enable);
  1895. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  1896. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  1897. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  1898. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  1899. /* Output enable for RX_XCM # IF */
  1900. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  1901. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  1902. /* HW PFC TX enable */
  1903. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  1904. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  1905. if (nig_params) {
  1906. u8 i = 0;
  1907. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  1908. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  1909. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  1910. nig_params->rx_cos_priority_mask[i], port);
  1911. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  1912. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  1913. nig_params->llfc_high_priority_classes);
  1914. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  1915. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  1916. nig_params->llfc_low_priority_classes);
  1917. }
  1918. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  1919. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  1920. pkt_priority_to_cos);
  1921. }
  1922. int bnx2x_update_pfc(struct link_params *params,
  1923. struct link_vars *vars,
  1924. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  1925. {
  1926. /* The PFC and pause are orthogonal to one another, meaning when
  1927. * PFC is enabled, the pause are disabled, and when PFC is
  1928. * disabled, pause are set according to the pause result.
  1929. */
  1930. u32 val;
  1931. struct bnx2x *bp = params->bp;
  1932. int bnx2x_status = 0;
  1933. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  1934. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1935. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  1936. else
  1937. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  1938. bnx2x_update_mng(params, vars->link_status);
  1939. /* Update NIG params */
  1940. bnx2x_update_pfc_nig(params, vars, pfc_params);
  1941. if (!vars->link_up)
  1942. return bnx2x_status;
  1943. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  1944. if (CHIP_IS_E3(bp)) {
  1945. if (vars->mac_type == MAC_TYPE_XMAC)
  1946. bnx2x_update_pfc_xmac(params, vars, 0);
  1947. } else {
  1948. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  1949. if ((val &
  1950. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  1951. == 0) {
  1952. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  1953. bnx2x_emac_enable(params, vars, 0);
  1954. return bnx2x_status;
  1955. }
  1956. if (CHIP_IS_E2(bp))
  1957. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  1958. else
  1959. bnx2x_update_pfc_bmac1(params, vars);
  1960. val = 0;
  1961. if ((params->feature_config_flags &
  1962. FEATURE_CONFIG_PFC_ENABLED) ||
  1963. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1964. val = 1;
  1965. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  1966. }
  1967. return bnx2x_status;
  1968. }
  1969. static int bnx2x_bmac1_enable(struct link_params *params,
  1970. struct link_vars *vars,
  1971. u8 is_lb)
  1972. {
  1973. struct bnx2x *bp = params->bp;
  1974. u8 port = params->port;
  1975. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  1976. NIG_REG_INGRESS_BMAC0_MEM;
  1977. u32 wb_data[2];
  1978. u32 val;
  1979. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  1980. /* XGXS control */
  1981. wb_data[0] = 0x3c;
  1982. wb_data[1] = 0;
  1983. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  1984. wb_data, 2);
  1985. /* TX MAC SA */
  1986. wb_data[0] = ((params->mac_addr[2] << 24) |
  1987. (params->mac_addr[3] << 16) |
  1988. (params->mac_addr[4] << 8) |
  1989. params->mac_addr[5]);
  1990. wb_data[1] = ((params->mac_addr[0] << 8) |
  1991. params->mac_addr[1]);
  1992. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  1993. /* MAC control */
  1994. val = 0x3;
  1995. if (is_lb) {
  1996. val |= 0x4;
  1997. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1998. }
  1999. wb_data[0] = val;
  2000. wb_data[1] = 0;
  2001. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2002. /* Set rx mtu */
  2003. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2004. wb_data[1] = 0;
  2005. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2006. bnx2x_update_pfc_bmac1(params, vars);
  2007. /* Set tx mtu */
  2008. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2009. wb_data[1] = 0;
  2010. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2011. /* Set cnt max size */
  2012. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2013. wb_data[1] = 0;
  2014. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2015. /* Configure SAFC */
  2016. wb_data[0] = 0x1000200;
  2017. wb_data[1] = 0;
  2018. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2019. wb_data, 2);
  2020. return 0;
  2021. }
  2022. static int bnx2x_bmac2_enable(struct link_params *params,
  2023. struct link_vars *vars,
  2024. u8 is_lb)
  2025. {
  2026. struct bnx2x *bp = params->bp;
  2027. u8 port = params->port;
  2028. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2029. NIG_REG_INGRESS_BMAC0_MEM;
  2030. u32 wb_data[2];
  2031. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2032. wb_data[0] = 0;
  2033. wb_data[1] = 0;
  2034. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2035. udelay(30);
  2036. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2037. wb_data[0] = 0x3c;
  2038. wb_data[1] = 0;
  2039. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2040. wb_data, 2);
  2041. udelay(30);
  2042. /* TX MAC SA */
  2043. wb_data[0] = ((params->mac_addr[2] << 24) |
  2044. (params->mac_addr[3] << 16) |
  2045. (params->mac_addr[4] << 8) |
  2046. params->mac_addr[5]);
  2047. wb_data[1] = ((params->mac_addr[0] << 8) |
  2048. params->mac_addr[1]);
  2049. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2050. wb_data, 2);
  2051. udelay(30);
  2052. /* Configure SAFC */
  2053. wb_data[0] = 0x1000200;
  2054. wb_data[1] = 0;
  2055. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2056. wb_data, 2);
  2057. udelay(30);
  2058. /* Set RX MTU */
  2059. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2060. wb_data[1] = 0;
  2061. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2062. udelay(30);
  2063. /* Set TX MTU */
  2064. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2065. wb_data[1] = 0;
  2066. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2067. udelay(30);
  2068. /* Set cnt max size */
  2069. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2070. wb_data[1] = 0;
  2071. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2072. udelay(30);
  2073. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2074. return 0;
  2075. }
  2076. static int bnx2x_bmac_enable(struct link_params *params,
  2077. struct link_vars *vars,
  2078. u8 is_lb, u8 reset_bmac)
  2079. {
  2080. int rc = 0;
  2081. u8 port = params->port;
  2082. struct bnx2x *bp = params->bp;
  2083. u32 val;
  2084. /* Reset and unreset the BigMac */
  2085. if (reset_bmac) {
  2086. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2087. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2088. usleep_range(1000, 2000);
  2089. }
  2090. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2091. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2092. /* Enable access for bmac registers */
  2093. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2094. /* Enable BMAC according to BMAC type*/
  2095. if (CHIP_IS_E2(bp))
  2096. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2097. else
  2098. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2099. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2100. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2101. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2102. val = 0;
  2103. if ((params->feature_config_flags &
  2104. FEATURE_CONFIG_PFC_ENABLED) ||
  2105. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2106. val = 1;
  2107. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2108. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2109. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2110. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2111. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2112. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2113. vars->mac_type = MAC_TYPE_BMAC;
  2114. return rc;
  2115. }
  2116. static void bnx2x_set_bmac_rx(struct bnx2x *bp, u32 chip_id, u8 port, u8 en)
  2117. {
  2118. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2119. NIG_REG_INGRESS_BMAC0_MEM;
  2120. u32 wb_data[2];
  2121. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2122. if (CHIP_IS_E2(bp))
  2123. bmac_addr += BIGMAC2_REGISTER_BMAC_CONTROL;
  2124. else
  2125. bmac_addr += BIGMAC_REGISTER_BMAC_CONTROL;
  2126. /* Only if the bmac is out of reset */
  2127. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2128. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2129. nig_bmac_enable) {
  2130. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2131. REG_RD_DMAE(bp, bmac_addr, wb_data, 2);
  2132. if (en)
  2133. wb_data[0] |= BMAC_CONTROL_RX_ENABLE;
  2134. else
  2135. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2136. REG_WR_DMAE(bp, bmac_addr, wb_data, 2);
  2137. usleep_range(1000, 2000);
  2138. }
  2139. }
  2140. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2141. u32 line_speed)
  2142. {
  2143. struct bnx2x *bp = params->bp;
  2144. u8 port = params->port;
  2145. u32 init_crd, crd;
  2146. u32 count = 1000;
  2147. /* Disable port */
  2148. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2149. /* Wait for init credit */
  2150. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2151. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2152. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2153. while ((init_crd != crd) && count) {
  2154. usleep_range(5000, 10000);
  2155. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2156. count--;
  2157. }
  2158. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2159. if (init_crd != crd) {
  2160. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2161. init_crd, crd);
  2162. return -EINVAL;
  2163. }
  2164. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2165. line_speed == SPEED_10 ||
  2166. line_speed == SPEED_100 ||
  2167. line_speed == SPEED_1000 ||
  2168. line_speed == SPEED_2500) {
  2169. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2170. /* Update threshold */
  2171. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2172. /* Update init credit */
  2173. init_crd = 778; /* (800-18-4) */
  2174. } else {
  2175. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2176. ETH_OVREHEAD)/16;
  2177. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2178. /* Update threshold */
  2179. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2180. /* Update init credit */
  2181. switch (line_speed) {
  2182. case SPEED_10000:
  2183. init_crd = thresh + 553 - 22;
  2184. break;
  2185. default:
  2186. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2187. line_speed);
  2188. return -EINVAL;
  2189. }
  2190. }
  2191. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2192. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2193. line_speed, init_crd);
  2194. /* Probe the credit changes */
  2195. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2196. usleep_range(5000, 10000);
  2197. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2198. /* Enable port */
  2199. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2200. return 0;
  2201. }
  2202. /**
  2203. * bnx2x_get_emac_base - retrive emac base address
  2204. *
  2205. * @bp: driver handle
  2206. * @mdc_mdio_access: access type
  2207. * @port: port id
  2208. *
  2209. * This function selects the MDC/MDIO access (through emac0 or
  2210. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2211. * phy has a default access mode, which could also be overridden
  2212. * by nvram configuration. This parameter, whether this is the
  2213. * default phy configuration, or the nvram overrun
  2214. * configuration, is passed here as mdc_mdio_access and selects
  2215. * the emac_base for the CL45 read/writes operations
  2216. */
  2217. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2218. u32 mdc_mdio_access, u8 port)
  2219. {
  2220. u32 emac_base = 0;
  2221. switch (mdc_mdio_access) {
  2222. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2223. break;
  2224. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2225. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2226. emac_base = GRCBASE_EMAC1;
  2227. else
  2228. emac_base = GRCBASE_EMAC0;
  2229. break;
  2230. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2231. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2232. emac_base = GRCBASE_EMAC0;
  2233. else
  2234. emac_base = GRCBASE_EMAC1;
  2235. break;
  2236. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2237. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2238. break;
  2239. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2240. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2241. break;
  2242. default:
  2243. break;
  2244. }
  2245. return emac_base;
  2246. }
  2247. /******************************************************************/
  2248. /* CL22 access functions */
  2249. /******************************************************************/
  2250. static int bnx2x_cl22_write(struct bnx2x *bp,
  2251. struct bnx2x_phy *phy,
  2252. u16 reg, u16 val)
  2253. {
  2254. u32 tmp, mode;
  2255. u8 i;
  2256. int rc = 0;
  2257. /* Switch to CL22 */
  2258. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2259. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2260. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2261. /* Address */
  2262. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2263. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2264. EMAC_MDIO_COMM_START_BUSY);
  2265. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2266. for (i = 0; i < 50; i++) {
  2267. udelay(10);
  2268. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2269. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2270. udelay(5);
  2271. break;
  2272. }
  2273. }
  2274. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2275. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2276. rc = -EFAULT;
  2277. }
  2278. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2279. return rc;
  2280. }
  2281. static int bnx2x_cl22_read(struct bnx2x *bp,
  2282. struct bnx2x_phy *phy,
  2283. u16 reg, u16 *ret_val)
  2284. {
  2285. u32 val, mode;
  2286. u16 i;
  2287. int rc = 0;
  2288. /* Switch to CL22 */
  2289. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2290. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2291. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2292. /* Address */
  2293. val = ((phy->addr << 21) | (reg << 16) |
  2294. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2295. EMAC_MDIO_COMM_START_BUSY);
  2296. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2297. for (i = 0; i < 50; i++) {
  2298. udelay(10);
  2299. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2300. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2301. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2302. udelay(5);
  2303. break;
  2304. }
  2305. }
  2306. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2307. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2308. *ret_val = 0;
  2309. rc = -EFAULT;
  2310. }
  2311. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2312. return rc;
  2313. }
  2314. /******************************************************************/
  2315. /* CL45 access functions */
  2316. /******************************************************************/
  2317. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2318. u8 devad, u16 reg, u16 *ret_val)
  2319. {
  2320. u32 val;
  2321. u16 i;
  2322. int rc = 0;
  2323. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2324. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2325. EMAC_MDIO_STATUS_10MB);
  2326. /* Address */
  2327. val = ((phy->addr << 21) | (devad << 16) | reg |
  2328. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2329. EMAC_MDIO_COMM_START_BUSY);
  2330. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2331. for (i = 0; i < 50; i++) {
  2332. udelay(10);
  2333. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2334. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2335. udelay(5);
  2336. break;
  2337. }
  2338. }
  2339. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2340. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2341. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2342. *ret_val = 0;
  2343. rc = -EFAULT;
  2344. } else {
  2345. /* Data */
  2346. val = ((phy->addr << 21) | (devad << 16) |
  2347. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2348. EMAC_MDIO_COMM_START_BUSY);
  2349. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2350. for (i = 0; i < 50; i++) {
  2351. udelay(10);
  2352. val = REG_RD(bp, phy->mdio_ctrl +
  2353. EMAC_REG_EMAC_MDIO_COMM);
  2354. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2355. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2356. break;
  2357. }
  2358. }
  2359. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2360. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2361. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2362. *ret_val = 0;
  2363. rc = -EFAULT;
  2364. }
  2365. }
  2366. /* Work around for E3 A0 */
  2367. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2368. phy->flags ^= FLAGS_DUMMY_READ;
  2369. if (phy->flags & FLAGS_DUMMY_READ) {
  2370. u16 temp_val;
  2371. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2372. }
  2373. }
  2374. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2375. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2376. EMAC_MDIO_STATUS_10MB);
  2377. return rc;
  2378. }
  2379. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2380. u8 devad, u16 reg, u16 val)
  2381. {
  2382. u32 tmp;
  2383. u8 i;
  2384. int rc = 0;
  2385. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2386. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2387. EMAC_MDIO_STATUS_10MB);
  2388. /* Address */
  2389. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2390. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2391. EMAC_MDIO_COMM_START_BUSY);
  2392. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2393. for (i = 0; i < 50; i++) {
  2394. udelay(10);
  2395. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2396. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2397. udelay(5);
  2398. break;
  2399. }
  2400. }
  2401. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2402. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2403. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2404. rc = -EFAULT;
  2405. } else {
  2406. /* Data */
  2407. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2408. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2409. EMAC_MDIO_COMM_START_BUSY);
  2410. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2411. for (i = 0; i < 50; i++) {
  2412. udelay(10);
  2413. tmp = REG_RD(bp, phy->mdio_ctrl +
  2414. EMAC_REG_EMAC_MDIO_COMM);
  2415. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2416. udelay(5);
  2417. break;
  2418. }
  2419. }
  2420. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2421. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2422. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2423. rc = -EFAULT;
  2424. }
  2425. }
  2426. /* Work around for E3 A0 */
  2427. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2428. phy->flags ^= FLAGS_DUMMY_READ;
  2429. if (phy->flags & FLAGS_DUMMY_READ) {
  2430. u16 temp_val;
  2431. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2432. }
  2433. }
  2434. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2435. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2436. EMAC_MDIO_STATUS_10MB);
  2437. return rc;
  2438. }
  2439. /******************************************************************/
  2440. /* EEE section */
  2441. /******************************************************************/
  2442. static u8 bnx2x_eee_has_cap(struct link_params *params)
  2443. {
  2444. struct bnx2x *bp = params->bp;
  2445. if (REG_RD(bp, params->shmem2_base) <=
  2446. offsetof(struct shmem2_region, eee_status[params->port]))
  2447. return 0;
  2448. return 1;
  2449. }
  2450. static int bnx2x_eee_nvram_to_time(u32 nvram_mode, u32 *idle_timer)
  2451. {
  2452. switch (nvram_mode) {
  2453. case PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED:
  2454. *idle_timer = EEE_MODE_NVRAM_BALANCED_TIME;
  2455. break;
  2456. case PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE:
  2457. *idle_timer = EEE_MODE_NVRAM_AGGRESSIVE_TIME;
  2458. break;
  2459. case PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY:
  2460. *idle_timer = EEE_MODE_NVRAM_LATENCY_TIME;
  2461. break;
  2462. default:
  2463. *idle_timer = 0;
  2464. break;
  2465. }
  2466. return 0;
  2467. }
  2468. static int bnx2x_eee_time_to_nvram(u32 idle_timer, u32 *nvram_mode)
  2469. {
  2470. switch (idle_timer) {
  2471. case EEE_MODE_NVRAM_BALANCED_TIME:
  2472. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_BALANCED;
  2473. break;
  2474. case EEE_MODE_NVRAM_AGGRESSIVE_TIME:
  2475. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_AGGRESSIVE;
  2476. break;
  2477. case EEE_MODE_NVRAM_LATENCY_TIME:
  2478. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_LOW_LATENCY;
  2479. break;
  2480. default:
  2481. *nvram_mode = PORT_FEAT_CFG_EEE_POWER_MODE_DISABLED;
  2482. break;
  2483. }
  2484. return 0;
  2485. }
  2486. static u32 bnx2x_eee_calc_timer(struct link_params *params)
  2487. {
  2488. u32 eee_mode, eee_idle;
  2489. struct bnx2x *bp = params->bp;
  2490. if (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) {
  2491. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2492. /* time value in eee_mode --> used directly*/
  2493. eee_idle = params->eee_mode & EEE_MODE_TIMER_MASK;
  2494. } else {
  2495. /* hsi value in eee_mode --> time */
  2496. if (bnx2x_eee_nvram_to_time(params->eee_mode &
  2497. EEE_MODE_NVRAM_MASK,
  2498. &eee_idle))
  2499. return 0;
  2500. }
  2501. } else {
  2502. /* hsi values in nvram --> time*/
  2503. eee_mode = ((REG_RD(bp, params->shmem_base +
  2504. offsetof(struct shmem_region, dev_info.
  2505. port_feature_config[params->port].
  2506. eee_power_mode)) &
  2507. PORT_FEAT_CFG_EEE_POWER_MODE_MASK) >>
  2508. PORT_FEAT_CFG_EEE_POWER_MODE_SHIFT);
  2509. if (bnx2x_eee_nvram_to_time(eee_mode, &eee_idle))
  2510. return 0;
  2511. }
  2512. return eee_idle;
  2513. }
  2514. static int bnx2x_eee_set_timers(struct link_params *params,
  2515. struct link_vars *vars)
  2516. {
  2517. u32 eee_idle = 0, eee_mode;
  2518. struct bnx2x *bp = params->bp;
  2519. eee_idle = bnx2x_eee_calc_timer(params);
  2520. if (eee_idle) {
  2521. REG_WR(bp, MISC_REG_CPMU_LP_IDLE_THR_P0 + (params->port << 2),
  2522. eee_idle);
  2523. } else if ((params->eee_mode & EEE_MODE_ENABLE_LPI) &&
  2524. (params->eee_mode & EEE_MODE_OVERRIDE_NVRAM) &&
  2525. (params->eee_mode & EEE_MODE_OUTPUT_TIME)) {
  2526. DP(NETIF_MSG_LINK, "Error: Tx LPI is enabled with timer 0\n");
  2527. return -EINVAL;
  2528. }
  2529. vars->eee_status &= ~(SHMEM_EEE_TIMER_MASK | SHMEM_EEE_TIME_OUTPUT_BIT);
  2530. if (params->eee_mode & EEE_MODE_OUTPUT_TIME) {
  2531. /* eee_idle in 1u --> eee_status in 16u */
  2532. eee_idle >>= 4;
  2533. vars->eee_status |= (eee_idle & SHMEM_EEE_TIMER_MASK) |
  2534. SHMEM_EEE_TIME_OUTPUT_BIT;
  2535. } else {
  2536. if (bnx2x_eee_time_to_nvram(eee_idle, &eee_mode))
  2537. return -EINVAL;
  2538. vars->eee_status |= eee_mode;
  2539. }
  2540. return 0;
  2541. }
  2542. static int bnx2x_eee_initial_config(struct link_params *params,
  2543. struct link_vars *vars, u8 mode)
  2544. {
  2545. vars->eee_status |= ((u32) mode) << SHMEM_EEE_SUPPORTED_SHIFT;
  2546. /* Propogate params' bits --> vars (for migration exposure) */
  2547. if (params->eee_mode & EEE_MODE_ENABLE_LPI)
  2548. vars->eee_status |= SHMEM_EEE_LPI_REQUESTED_BIT;
  2549. else
  2550. vars->eee_status &= ~SHMEM_EEE_LPI_REQUESTED_BIT;
  2551. if (params->eee_mode & EEE_MODE_ADV_LPI)
  2552. vars->eee_status |= SHMEM_EEE_REQUESTED_BIT;
  2553. else
  2554. vars->eee_status &= ~SHMEM_EEE_REQUESTED_BIT;
  2555. return bnx2x_eee_set_timers(params, vars);
  2556. }
  2557. static int bnx2x_eee_disable(struct bnx2x_phy *phy,
  2558. struct link_params *params,
  2559. struct link_vars *vars)
  2560. {
  2561. struct bnx2x *bp = params->bp;
  2562. /* Make Certain LPI is disabled */
  2563. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2), 0);
  2564. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, 0x0);
  2565. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2566. return 0;
  2567. }
  2568. static int bnx2x_eee_advertise(struct bnx2x_phy *phy,
  2569. struct link_params *params,
  2570. struct link_vars *vars, u8 modes)
  2571. {
  2572. struct bnx2x *bp = params->bp;
  2573. u16 val = 0;
  2574. /* Mask events preventing LPI generation */
  2575. REG_WR(bp, MISC_REG_CPMU_LP_MASK_EXT_P0 + (params->port << 2), 0xfc20);
  2576. if (modes & SHMEM_EEE_10G_ADV) {
  2577. DP(NETIF_MSG_LINK, "Advertise 10GBase-T EEE\n");
  2578. val |= 0x8;
  2579. }
  2580. if (modes & SHMEM_EEE_1G_ADV) {
  2581. DP(NETIF_MSG_LINK, "Advertise 1GBase-T EEE\n");
  2582. val |= 0x4;
  2583. }
  2584. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, val);
  2585. vars->eee_status &= ~SHMEM_EEE_ADV_STATUS_MASK;
  2586. vars->eee_status |= (modes << SHMEM_EEE_ADV_STATUS_SHIFT);
  2587. return 0;
  2588. }
  2589. static void bnx2x_update_mng_eee(struct link_params *params, u32 eee_status)
  2590. {
  2591. struct bnx2x *bp = params->bp;
  2592. if (bnx2x_eee_has_cap(params))
  2593. REG_WR(bp, params->shmem2_base +
  2594. offsetof(struct shmem2_region,
  2595. eee_status[params->port]), eee_status);
  2596. }
  2597. static void bnx2x_eee_an_resolve(struct bnx2x_phy *phy,
  2598. struct link_params *params,
  2599. struct link_vars *vars)
  2600. {
  2601. struct bnx2x *bp = params->bp;
  2602. u16 adv = 0, lp = 0;
  2603. u32 lp_adv = 0;
  2604. u8 neg = 0;
  2605. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_EEE_ADV, &adv);
  2606. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_LP_EEE_ADV, &lp);
  2607. if (lp & 0x2) {
  2608. lp_adv |= SHMEM_EEE_100M_ADV;
  2609. if (adv & 0x2) {
  2610. if (vars->line_speed == SPEED_100)
  2611. neg = 1;
  2612. DP(NETIF_MSG_LINK, "EEE negotiated - 100M\n");
  2613. }
  2614. }
  2615. if (lp & 0x14) {
  2616. lp_adv |= SHMEM_EEE_1G_ADV;
  2617. if (adv & 0x14) {
  2618. if (vars->line_speed == SPEED_1000)
  2619. neg = 1;
  2620. DP(NETIF_MSG_LINK, "EEE negotiated - 1G\n");
  2621. }
  2622. }
  2623. if (lp & 0x68) {
  2624. lp_adv |= SHMEM_EEE_10G_ADV;
  2625. if (adv & 0x68) {
  2626. if (vars->line_speed == SPEED_10000)
  2627. neg = 1;
  2628. DP(NETIF_MSG_LINK, "EEE negotiated - 10G\n");
  2629. }
  2630. }
  2631. vars->eee_status &= ~SHMEM_EEE_LP_ADV_STATUS_MASK;
  2632. vars->eee_status |= (lp_adv << SHMEM_EEE_LP_ADV_STATUS_SHIFT);
  2633. if (neg) {
  2634. DP(NETIF_MSG_LINK, "EEE is active\n");
  2635. vars->eee_status |= SHMEM_EEE_ACTIVE_BIT;
  2636. }
  2637. }
  2638. /******************************************************************/
  2639. /* BSC access functions from E3 */
  2640. /******************************************************************/
  2641. static void bnx2x_bsc_module_sel(struct link_params *params)
  2642. {
  2643. int idx;
  2644. u32 board_cfg, sfp_ctrl;
  2645. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2646. struct bnx2x *bp = params->bp;
  2647. u8 port = params->port;
  2648. /* Read I2C output PINs */
  2649. board_cfg = REG_RD(bp, params->shmem_base +
  2650. offsetof(struct shmem_region,
  2651. dev_info.shared_hw_config.board));
  2652. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2653. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2654. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2655. /* Read I2C output value */
  2656. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2657. offsetof(struct shmem_region,
  2658. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2659. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2660. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2661. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2662. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2663. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2664. }
  2665. static int bnx2x_bsc_read(struct link_params *params,
  2666. struct bnx2x_phy *phy,
  2667. u8 sl_devid,
  2668. u16 sl_addr,
  2669. u8 lc_addr,
  2670. u8 xfer_cnt,
  2671. u32 *data_array)
  2672. {
  2673. u32 val, i;
  2674. int rc = 0;
  2675. struct bnx2x *bp = params->bp;
  2676. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2677. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2678. return -EINVAL;
  2679. }
  2680. if (xfer_cnt > 16) {
  2681. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2682. xfer_cnt);
  2683. return -EINVAL;
  2684. }
  2685. bnx2x_bsc_module_sel(params);
  2686. xfer_cnt = 16 - lc_addr;
  2687. /* Enable the engine */
  2688. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2689. val |= MCPR_IMC_COMMAND_ENABLE;
  2690. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2691. /* Program slave device ID */
  2692. val = (sl_devid << 16) | sl_addr;
  2693. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2694. /* Start xfer with 0 byte to update the address pointer ???*/
  2695. val = (MCPR_IMC_COMMAND_ENABLE) |
  2696. (MCPR_IMC_COMMAND_WRITE_OP <<
  2697. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2698. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2699. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2700. /* Poll for completion */
  2701. i = 0;
  2702. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2703. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2704. udelay(10);
  2705. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2706. if (i++ > 1000) {
  2707. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2708. i);
  2709. rc = -EFAULT;
  2710. break;
  2711. }
  2712. }
  2713. if (rc == -EFAULT)
  2714. return rc;
  2715. /* Start xfer with read op */
  2716. val = (MCPR_IMC_COMMAND_ENABLE) |
  2717. (MCPR_IMC_COMMAND_READ_OP <<
  2718. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2719. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2720. (xfer_cnt);
  2721. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2722. /* Poll for completion */
  2723. i = 0;
  2724. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2725. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2726. udelay(10);
  2727. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2728. if (i++ > 1000) {
  2729. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2730. rc = -EFAULT;
  2731. break;
  2732. }
  2733. }
  2734. if (rc == -EFAULT)
  2735. return rc;
  2736. for (i = (lc_addr >> 2); i < 4; i++) {
  2737. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2738. #ifdef __BIG_ENDIAN
  2739. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2740. ((data_array[i] & 0x0000ff00) << 8) |
  2741. ((data_array[i] & 0x00ff0000) >> 8) |
  2742. ((data_array[i] & 0xff000000) >> 24);
  2743. #endif
  2744. }
  2745. return rc;
  2746. }
  2747. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2748. u8 devad, u16 reg, u16 or_val)
  2749. {
  2750. u16 val;
  2751. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2752. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2753. }
  2754. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2755. u8 devad, u16 reg, u16 *ret_val)
  2756. {
  2757. u8 phy_index;
  2758. /* Probe for the phy according to the given phy_addr, and execute
  2759. * the read request on it
  2760. */
  2761. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2762. if (params->phy[phy_index].addr == phy_addr) {
  2763. return bnx2x_cl45_read(params->bp,
  2764. &params->phy[phy_index], devad,
  2765. reg, ret_val);
  2766. }
  2767. }
  2768. return -EINVAL;
  2769. }
  2770. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2771. u8 devad, u16 reg, u16 val)
  2772. {
  2773. u8 phy_index;
  2774. /* Probe for the phy according to the given phy_addr, and execute
  2775. * the write request on it
  2776. */
  2777. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2778. if (params->phy[phy_index].addr == phy_addr) {
  2779. return bnx2x_cl45_write(params->bp,
  2780. &params->phy[phy_index], devad,
  2781. reg, val);
  2782. }
  2783. }
  2784. return -EINVAL;
  2785. }
  2786. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2787. struct link_params *params)
  2788. {
  2789. u8 lane = 0;
  2790. struct bnx2x *bp = params->bp;
  2791. u32 path_swap, path_swap_ovr;
  2792. u8 path, port;
  2793. path = BP_PATH(bp);
  2794. port = params->port;
  2795. if (bnx2x_is_4_port_mode(bp)) {
  2796. u32 port_swap, port_swap_ovr;
  2797. /* Figure out path swap value */
  2798. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2799. if (path_swap_ovr & 0x1)
  2800. path_swap = (path_swap_ovr & 0x2);
  2801. else
  2802. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2803. if (path_swap)
  2804. path = path ^ 1;
  2805. /* Figure out port swap value */
  2806. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2807. if (port_swap_ovr & 0x1)
  2808. port_swap = (port_swap_ovr & 0x2);
  2809. else
  2810. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2811. if (port_swap)
  2812. port = port ^ 1;
  2813. lane = (port<<1) + path;
  2814. } else { /* Two port mode - no port swap */
  2815. /* Figure out path swap value */
  2816. path_swap_ovr =
  2817. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2818. if (path_swap_ovr & 0x1) {
  2819. path_swap = (path_swap_ovr & 0x2);
  2820. } else {
  2821. path_swap =
  2822. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2823. }
  2824. if (path_swap)
  2825. path = path ^ 1;
  2826. lane = path << 1 ;
  2827. }
  2828. return lane;
  2829. }
  2830. static void bnx2x_set_aer_mmd(struct link_params *params,
  2831. struct bnx2x_phy *phy)
  2832. {
  2833. u32 ser_lane;
  2834. u16 offset, aer_val;
  2835. struct bnx2x *bp = params->bp;
  2836. ser_lane = ((params->lane_config &
  2837. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2838. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2839. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2840. (phy->addr + ser_lane) : 0;
  2841. if (USES_WARPCORE(bp)) {
  2842. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2843. /* In Dual-lane mode, two lanes are joined together,
  2844. * so in order to configure them, the AER broadcast method is
  2845. * used here.
  2846. * 0x200 is the broadcast address for lanes 0,1
  2847. * 0x201 is the broadcast address for lanes 2,3
  2848. */
  2849. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2850. aer_val = (aer_val >> 1) | 0x200;
  2851. } else if (CHIP_IS_E2(bp))
  2852. aer_val = 0x3800 + offset - 1;
  2853. else
  2854. aer_val = 0x3800 + offset;
  2855. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2856. MDIO_AER_BLOCK_AER_REG, aer_val);
  2857. }
  2858. /******************************************************************/
  2859. /* Internal phy section */
  2860. /******************************************************************/
  2861. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2862. {
  2863. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2864. /* Set Clause 22 */
  2865. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2866. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2867. udelay(500);
  2868. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2869. udelay(500);
  2870. /* Set Clause 45 */
  2871. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2872. }
  2873. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2874. {
  2875. u32 val;
  2876. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2877. val = SERDES_RESET_BITS << (port*16);
  2878. /* Reset and unreset the SerDes/XGXS */
  2879. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2880. udelay(500);
  2881. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2882. bnx2x_set_serdes_access(bp, port);
  2883. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  2884. DEFAULT_PHY_DEV_ADDR);
  2885. }
  2886. static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
  2887. struct link_params *params,
  2888. u32 action)
  2889. {
  2890. struct bnx2x *bp = params->bp;
  2891. switch (action) {
  2892. case PHY_INIT:
  2893. /* Set correct devad */
  2894. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
  2895. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
  2896. phy->def_md_devad);
  2897. break;
  2898. }
  2899. }
  2900. static void bnx2x_xgxs_deassert(struct link_params *params)
  2901. {
  2902. struct bnx2x *bp = params->bp;
  2903. u8 port;
  2904. u32 val;
  2905. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  2906. port = params->port;
  2907. val = XGXS_RESET_BITS << (port*16);
  2908. /* Reset and unreset the SerDes/XGXS */
  2909. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2910. udelay(500);
  2911. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2912. bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
  2913. PHY_INIT);
  2914. }
  2915. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  2916. struct link_params *params, u16 *ieee_fc)
  2917. {
  2918. struct bnx2x *bp = params->bp;
  2919. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  2920. /* Resolve pause mode and advertisement Please refer to Table
  2921. * 28B-3 of the 802.3ab-1999 spec
  2922. */
  2923. switch (phy->req_flow_ctrl) {
  2924. case BNX2X_FLOW_CTRL_AUTO:
  2925. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  2926. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2927. else
  2928. *ieee_fc |=
  2929. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2930. break;
  2931. case BNX2X_FLOW_CTRL_TX:
  2932. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  2933. break;
  2934. case BNX2X_FLOW_CTRL_RX:
  2935. case BNX2X_FLOW_CTRL_BOTH:
  2936. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  2937. break;
  2938. case BNX2X_FLOW_CTRL_NONE:
  2939. default:
  2940. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  2941. break;
  2942. }
  2943. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  2944. }
  2945. static void set_phy_vars(struct link_params *params,
  2946. struct link_vars *vars)
  2947. {
  2948. struct bnx2x *bp = params->bp;
  2949. u8 actual_phy_idx, phy_index, link_cfg_idx;
  2950. u8 phy_config_swapped = params->multi_phy_config &
  2951. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  2952. for (phy_index = INT_PHY; phy_index < params->num_phys;
  2953. phy_index++) {
  2954. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  2955. actual_phy_idx = phy_index;
  2956. if (phy_config_swapped) {
  2957. if (phy_index == EXT_PHY1)
  2958. actual_phy_idx = EXT_PHY2;
  2959. else if (phy_index == EXT_PHY2)
  2960. actual_phy_idx = EXT_PHY1;
  2961. }
  2962. params->phy[actual_phy_idx].req_flow_ctrl =
  2963. params->req_flow_ctrl[link_cfg_idx];
  2964. params->phy[actual_phy_idx].req_line_speed =
  2965. params->req_line_speed[link_cfg_idx];
  2966. params->phy[actual_phy_idx].speed_cap_mask =
  2967. params->speed_cap_mask[link_cfg_idx];
  2968. params->phy[actual_phy_idx].req_duplex =
  2969. params->req_duplex[link_cfg_idx];
  2970. if (params->req_line_speed[link_cfg_idx] ==
  2971. SPEED_AUTO_NEG)
  2972. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  2973. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  2974. " speed_cap_mask %x\n",
  2975. params->phy[actual_phy_idx].req_flow_ctrl,
  2976. params->phy[actual_phy_idx].req_line_speed,
  2977. params->phy[actual_phy_idx].speed_cap_mask);
  2978. }
  2979. }
  2980. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  2981. struct bnx2x_phy *phy,
  2982. struct link_vars *vars)
  2983. {
  2984. u16 val;
  2985. struct bnx2x *bp = params->bp;
  2986. /* Read modify write pause advertizing */
  2987. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  2988. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  2989. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  2990. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  2991. if ((vars->ieee_fc &
  2992. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  2993. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  2994. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  2995. }
  2996. if ((vars->ieee_fc &
  2997. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  2998. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  2999. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3000. }
  3001. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3002. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3003. }
  3004. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3005. { /* LD LP */
  3006. switch (pause_result) { /* ASYM P ASYM P */
  3007. case 0xb: /* 1 0 1 1 */
  3008. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3009. break;
  3010. case 0xe: /* 1 1 1 0 */
  3011. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3012. break;
  3013. case 0x5: /* 0 1 0 1 */
  3014. case 0x7: /* 0 1 1 1 */
  3015. case 0xd: /* 1 1 0 1 */
  3016. case 0xf: /* 1 1 1 1 */
  3017. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3018. break;
  3019. default:
  3020. break;
  3021. }
  3022. if (pause_result & (1<<0))
  3023. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3024. if (pause_result & (1<<1))
  3025. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3026. }
  3027. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3028. struct link_params *params,
  3029. struct link_vars *vars)
  3030. {
  3031. u16 ld_pause; /* local */
  3032. u16 lp_pause; /* link partner */
  3033. u16 pause_result;
  3034. struct bnx2x *bp = params->bp;
  3035. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3036. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3037. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3038. } else if (CHIP_IS_E3(bp) &&
  3039. SINGLE_MEDIA_DIRECT(params)) {
  3040. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3041. u16 gp_status, gp_mask;
  3042. bnx2x_cl45_read(bp, phy,
  3043. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3044. &gp_status);
  3045. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3046. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3047. lane;
  3048. if ((gp_status & gp_mask) == gp_mask) {
  3049. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3050. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3051. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3052. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3053. } else {
  3054. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3055. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3056. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3057. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3058. ld_pause = ((ld_pause &
  3059. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3060. << 3);
  3061. lp_pause = ((lp_pause &
  3062. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3063. << 3);
  3064. }
  3065. } else {
  3066. bnx2x_cl45_read(bp, phy,
  3067. MDIO_AN_DEVAD,
  3068. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3069. bnx2x_cl45_read(bp, phy,
  3070. MDIO_AN_DEVAD,
  3071. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3072. }
  3073. pause_result = (ld_pause &
  3074. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3075. pause_result |= (lp_pause &
  3076. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3077. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3078. bnx2x_pause_resolve(vars, pause_result);
  3079. }
  3080. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3081. struct link_params *params,
  3082. struct link_vars *vars)
  3083. {
  3084. u8 ret = 0;
  3085. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3086. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3087. /* Update the advertised flow-controled of LD/LP in AN */
  3088. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3089. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3090. /* But set the flow-control result as the requested one */
  3091. vars->flow_ctrl = phy->req_flow_ctrl;
  3092. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3093. vars->flow_ctrl = params->req_fc_auto_adv;
  3094. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3095. ret = 1;
  3096. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3097. }
  3098. return ret;
  3099. }
  3100. /******************************************************************/
  3101. /* Warpcore section */
  3102. /******************************************************************/
  3103. /* The init_internal_warpcore should mirror the xgxs,
  3104. * i.e. reset the lane (if needed), set aer for the
  3105. * init configuration, and set/clear SGMII flag. Internal
  3106. * phy init is done purely in phy_init stage.
  3107. */
  3108. static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
  3109. struct link_params *params)
  3110. {
  3111. struct bnx2x *bp = params->bp;
  3112. DP(NETIF_MSG_LINK, "Configure WC for LPI pass through\n");
  3113. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3114. MDIO_WC_REG_EEE_COMBO_CONTROL0, 0x7c);
  3115. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3116. MDIO_WC_REG_DIGITAL4_MISC5, 0xc000);
  3117. }
  3118. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3119. struct link_params *params,
  3120. struct link_vars *vars) {
  3121. u16 lane, i, cl72_ctrl, an_adv = 0;
  3122. u16 ucode_ver;
  3123. struct bnx2x *bp = params->bp;
  3124. static struct bnx2x_reg_set reg_set[] = {
  3125. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3126. {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0},
  3127. {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415},
  3128. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190},
  3129. /* Disable Autoneg: re-enable it after adv is done. */
  3130. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0}
  3131. };
  3132. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3133. /* Set to default registers that may be overriden by 10G force */
  3134. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3135. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3136. reg_set[i].val);
  3137. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3138. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl);
  3139. cl72_ctrl &= 0xf8ff;
  3140. cl72_ctrl |= 0x3800;
  3141. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3142. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl);
  3143. /* Check adding advertisement for 1G KX */
  3144. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3145. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3146. (vars->line_speed == SPEED_1000)) {
  3147. u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2;
  3148. an_adv |= (1<<5);
  3149. /* Enable CL37 1G Parallel Detect */
  3150. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1);
  3151. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3152. }
  3153. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3154. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3155. (vars->line_speed == SPEED_10000)) {
  3156. /* Check adding advertisement for 10G KR */
  3157. an_adv |= (1<<7);
  3158. /* Enable 10G Parallel Detect */
  3159. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3160. MDIO_AER_BLOCK_AER_REG, 0);
  3161. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3162. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3163. bnx2x_set_aer_mmd(params, phy);
  3164. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3165. }
  3166. /* Set Transmit PMD settings */
  3167. lane = bnx2x_get_warpcore_lane(phy, params);
  3168. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3169. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3170. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3171. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3172. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3173. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3174. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3175. 0x03f0);
  3176. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3177. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3178. 0x03f0);
  3179. /* Advertised speeds */
  3180. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3181. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv);
  3182. /* Advertised and set FEC (Forward Error Correction) */
  3183. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3184. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3185. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3186. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3187. /* Enable CL37 BAM */
  3188. if (REG_RD(bp, params->shmem_base +
  3189. offsetof(struct shmem_region, dev_info.
  3190. port_hw_config[params->port].default_cfg)) &
  3191. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3192. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3193. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL,
  3194. 1);
  3195. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3196. }
  3197. /* Advertise pause */
  3198. bnx2x_ext_phy_set_pause(params, phy, vars);
  3199. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3200. */
  3201. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3202. MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
  3203. if (ucode_ver < 0xd108) {
  3204. DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
  3205. ucode_ver);
  3206. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3207. }
  3208. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3209. MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
  3210. /* Over 1G - AN local device user page 1 */
  3211. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3212. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3213. /* Enable Autoneg */
  3214. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3215. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3216. }
  3217. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3218. struct link_params *params,
  3219. struct link_vars *vars)
  3220. {
  3221. struct bnx2x *bp = params->bp;
  3222. u16 val16, i, lane;
  3223. static struct bnx2x_reg_set reg_set[] = {
  3224. /* Disable Autoneg */
  3225. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
  3226. {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3227. 0x3f00},
  3228. {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0},
  3229. {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0},
  3230. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1},
  3231. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa},
  3232. /* Leave cl72 training enable, needed for KR */
  3233. {MDIO_PMA_DEVAD,
  3234. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3235. 0x2}
  3236. };
  3237. for (i = 0; i < sizeof(reg_set)/sizeof(struct bnx2x_reg_set); i++)
  3238. bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
  3239. reg_set[i].val);
  3240. lane = bnx2x_get_warpcore_lane(phy, params);
  3241. /* Global registers */
  3242. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3243. MDIO_AER_BLOCK_AER_REG, 0);
  3244. /* Disable CL36 PCS Tx */
  3245. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3246. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3247. val16 &= ~(0x0011 << lane);
  3248. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3249. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3250. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3251. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3252. val16 |= (0x0303 << (lane << 1));
  3253. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3254. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3255. /* Restore AER */
  3256. bnx2x_set_aer_mmd(params, phy);
  3257. /* Set speed via PMA/PMD register */
  3258. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3259. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3260. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3261. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3262. /* Enable encoded forced speed */
  3263. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3264. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3265. /* Turn TX scramble payload only the 64/66 scrambler */
  3266. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3267. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3268. /* Turn RX scramble payload only the 64/66 scrambler */
  3269. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3270. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3271. /* Set and clear loopback to cause a reset to 64/66 decoder */
  3272. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3273. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3274. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3275. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3276. }
  3277. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3278. struct link_params *params,
  3279. u8 is_xfi)
  3280. {
  3281. struct bnx2x *bp = params->bp;
  3282. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3283. /* Hold rxSeqStart */
  3284. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3285. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, 0x8000);
  3286. /* Hold tx_fifo_reset */
  3287. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x1);
  3289. /* Disable CL73 AN */
  3290. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3291. /* Disable 100FX Enable and Auto-Detect */
  3292. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3293. MDIO_WC_REG_FX100_CTRL1, &val);
  3294. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3295. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3296. /* Disable 100FX Idle detect */
  3297. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_FX100_CTRL3, 0x0080);
  3299. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3300. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3301. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3302. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3303. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3304. /* Turn off auto-detect & fiber mode */
  3305. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3307. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3308. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3309. (val & 0xFFEE));
  3310. /* Set filter_force_link, disable_false_link and parallel_detect */
  3311. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3312. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3313. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3314. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3315. ((val | 0x0006) & 0xFFFE));
  3316. /* Set XFI / SFI */
  3317. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3318. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3319. misc1_val &= ~(0x1f);
  3320. if (is_xfi) {
  3321. misc1_val |= 0x5;
  3322. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3323. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3324. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3325. tx_driver_val =
  3326. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3327. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3328. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3329. } else {
  3330. misc1_val |= 0x9;
  3331. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3332. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3333. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3334. tx_driver_val =
  3335. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3336. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3337. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3338. }
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3341. /* Set Transmit PMD settings */
  3342. lane = bnx2x_get_warpcore_lane(phy, params);
  3343. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3344. MDIO_WC_REG_TX_FIR_TAP,
  3345. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3346. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3348. tx_driver_val);
  3349. /* Enable fiber mode, enable and invert sig_det */
  3350. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3351. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0xd);
  3352. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3353. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3354. MDIO_WC_REG_DIGITAL4_MISC3, 0x8080);
  3355. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3356. /* 10G XFI Full Duplex */
  3357. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3358. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3359. /* Release tx_fifo_reset */
  3360. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3361. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3362. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3363. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3364. /* Release rxSeqStart */
  3365. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3366. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3367. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3369. }
  3370. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3371. struct bnx2x_phy *phy)
  3372. {
  3373. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3374. }
  3375. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3376. struct bnx2x_phy *phy,
  3377. u16 lane)
  3378. {
  3379. /* Rx0 anaRxControl1G */
  3380. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3381. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3382. /* Rx2 anaRxControl1G */
  3383. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3384. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3385. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3386. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3387. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3388. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3389. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3390. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3391. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3393. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3394. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3395. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3396. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3397. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3398. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3399. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3400. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3401. /* Serdes Digital Misc1 */
  3402. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3403. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3404. /* Serdes Digital4 Misc3 */
  3405. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3406. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3407. /* Set Transmit PMD settings */
  3408. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_TX_FIR_TAP,
  3410. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3411. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3412. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3413. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3414. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3416. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3417. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3418. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3419. }
  3420. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3421. struct link_params *params,
  3422. u8 fiber_mode,
  3423. u8 always_autoneg)
  3424. {
  3425. struct bnx2x *bp = params->bp;
  3426. u16 val16, digctrl_kx1, digctrl_kx2;
  3427. /* Clear XFI clock comp in non-10G single lane mode. */
  3428. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3429. MDIO_WC_REG_RX66_CONTROL, &val16);
  3430. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3431. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3432. bnx2x_warpcore_set_lpi_passthrough(phy, params);
  3433. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3434. /* SGMII Autoneg */
  3435. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3436. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3437. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3438. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3439. val16 | 0x1000);
  3440. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3441. } else {
  3442. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3443. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3444. val16 &= 0xcebf;
  3445. switch (phy->req_line_speed) {
  3446. case SPEED_10:
  3447. break;
  3448. case SPEED_100:
  3449. val16 |= 0x2000;
  3450. break;
  3451. case SPEED_1000:
  3452. val16 |= 0x0040;
  3453. break;
  3454. default:
  3455. DP(NETIF_MSG_LINK,
  3456. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3457. return;
  3458. }
  3459. if (phy->req_duplex == DUPLEX_FULL)
  3460. val16 |= 0x0100;
  3461. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3462. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3463. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3464. phy->req_line_speed);
  3465. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3466. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3467. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3468. }
  3469. /* SGMII Slave mode and disable signal detect */
  3470. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3471. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3472. if (fiber_mode)
  3473. digctrl_kx1 = 1;
  3474. else
  3475. digctrl_kx1 &= 0xff4a;
  3476. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3477. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3478. digctrl_kx1);
  3479. /* Turn off parallel detect */
  3480. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3481. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3482. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3483. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3484. (digctrl_kx2 & ~(1<<2)));
  3485. /* Re-enable parallel detect */
  3486. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3487. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3488. (digctrl_kx2 | (1<<2)));
  3489. /* Enable autodet */
  3490. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3491. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3492. (digctrl_kx1 | 0x10));
  3493. }
  3494. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3495. struct bnx2x_phy *phy,
  3496. u8 reset)
  3497. {
  3498. u16 val;
  3499. /* Take lane out of reset after configuration is finished */
  3500. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3501. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3502. if (reset)
  3503. val |= 0xC000;
  3504. else
  3505. val &= 0x3FFF;
  3506. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3507. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3508. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3509. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3510. }
  3511. /* Clear SFI/XFI link settings registers */
  3512. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3513. struct link_params *params,
  3514. u16 lane)
  3515. {
  3516. struct bnx2x *bp = params->bp;
  3517. u16 i;
  3518. static struct bnx2x_reg_set wc_regs[] = {
  3519. {MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0},
  3520. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL1, 0x014a},
  3521. {MDIO_WC_DEVAD, MDIO_WC_REG_FX100_CTRL3, 0x0800},
  3522. {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL4_MISC3, 0x8008},
  3523. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3524. 0x0195},
  3525. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3526. 0x0007},
  3527. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3,
  3528. 0x0002},
  3529. {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000},
  3530. {MDIO_WC_DEVAD, MDIO_WC_REG_TX_FIR_TAP, 0x0000},
  3531. {MDIO_WC_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040},
  3532. {MDIO_WC_DEVAD, MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140}
  3533. };
  3534. /* Set XFI clock comp as default. */
  3535. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3536. MDIO_WC_REG_RX66_CONTROL, (3<<13));
  3537. for (i = 0; i < sizeof(wc_regs)/sizeof(struct bnx2x_reg_set); i++)
  3538. bnx2x_cl45_write(bp, phy, wc_regs[i].devad, wc_regs[i].reg,
  3539. wc_regs[i].val);
  3540. lane = bnx2x_get_warpcore_lane(phy, params);
  3541. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3542. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3543. }
  3544. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3545. u32 chip_id,
  3546. u32 shmem_base, u8 port,
  3547. u8 *gpio_num, u8 *gpio_port)
  3548. {
  3549. u32 cfg_pin;
  3550. *gpio_num = 0;
  3551. *gpio_port = 0;
  3552. if (CHIP_IS_E3(bp)) {
  3553. cfg_pin = (REG_RD(bp, shmem_base +
  3554. offsetof(struct shmem_region,
  3555. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3556. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3557. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3558. /* Should not happen. This function called upon interrupt
  3559. * triggered by GPIO ( since EPIO can only generate interrupts
  3560. * to MCP).
  3561. * So if this function was called and none of the GPIOs was set,
  3562. * it means the shit hit the fan.
  3563. */
  3564. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3565. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3566. DP(NETIF_MSG_LINK,
  3567. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3568. cfg_pin);
  3569. return -EINVAL;
  3570. }
  3571. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3572. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3573. } else {
  3574. *gpio_num = MISC_REGISTERS_GPIO_3;
  3575. *gpio_port = port;
  3576. }
  3577. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3578. return 0;
  3579. }
  3580. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3581. struct link_params *params)
  3582. {
  3583. struct bnx2x *bp = params->bp;
  3584. u8 gpio_num, gpio_port;
  3585. u32 gpio_val;
  3586. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3587. params->shmem_base, params->port,
  3588. &gpio_num, &gpio_port) != 0)
  3589. return 0;
  3590. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3591. /* Call the handling function in case module is detected */
  3592. if (gpio_val == 0)
  3593. return 1;
  3594. else
  3595. return 0;
  3596. }
  3597. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3598. struct link_params *params)
  3599. {
  3600. u16 gp2_status_reg0, lane;
  3601. struct bnx2x *bp = params->bp;
  3602. lane = bnx2x_get_warpcore_lane(phy, params);
  3603. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3604. &gp2_status_reg0);
  3605. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3606. }
  3607. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3608. struct link_params *params,
  3609. struct link_vars *vars)
  3610. {
  3611. struct bnx2x *bp = params->bp;
  3612. u32 serdes_net_if;
  3613. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3614. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3615. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3616. if (!vars->turn_to_run_wc_rt)
  3617. return;
  3618. /* Return if there is no link partner */
  3619. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3620. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3621. return;
  3622. }
  3623. if (vars->rx_tx_asic_rst) {
  3624. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3625. offsetof(struct shmem_region, dev_info.
  3626. port_hw_config[params->port].default_cfg)) &
  3627. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3628. switch (serdes_net_if) {
  3629. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3630. /* Do we get link yet? */
  3631. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3632. &gp_status1);
  3633. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3634. /*10G KR*/
  3635. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3636. DP(NETIF_MSG_LINK,
  3637. "gp_status1 0x%x\n", gp_status1);
  3638. if (lnkup_kr || lnkup) {
  3639. vars->rx_tx_asic_rst = 0;
  3640. DP(NETIF_MSG_LINK,
  3641. "link up, rx_tx_asic_rst 0x%x\n",
  3642. vars->rx_tx_asic_rst);
  3643. } else {
  3644. /* Reset the lane to see if link comes up.*/
  3645. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3646. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3647. /* Restart Autoneg */
  3648. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3649. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3650. vars->rx_tx_asic_rst--;
  3651. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3652. vars->rx_tx_asic_rst);
  3653. }
  3654. break;
  3655. default:
  3656. break;
  3657. }
  3658. } /*params->rx_tx_asic_rst*/
  3659. }
  3660. static void bnx2x_warpcore_config_sfi(struct bnx2x_phy *phy,
  3661. struct link_params *params)
  3662. {
  3663. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3664. struct bnx2x *bp = params->bp;
  3665. bnx2x_warpcore_clear_regs(phy, params, lane);
  3666. if ((params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)] ==
  3667. SPEED_10000) &&
  3668. (phy->media_type != ETH_PHY_SFP_1G_FIBER)) {
  3669. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3670. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3671. } else {
  3672. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3673. bnx2x_warpcore_set_sgmii_speed(phy, params, 1, 0);
  3674. }
  3675. }
  3676. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3677. struct link_params *params,
  3678. struct link_vars *vars)
  3679. {
  3680. struct bnx2x *bp = params->bp;
  3681. u32 serdes_net_if;
  3682. u8 fiber_mode;
  3683. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3684. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3685. offsetof(struct shmem_region, dev_info.
  3686. port_hw_config[params->port].default_cfg)) &
  3687. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3688. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3689. "serdes_net_if = 0x%x\n",
  3690. vars->line_speed, serdes_net_if);
  3691. bnx2x_set_aer_mmd(params, phy);
  3692. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3693. vars->phy_flags |= PHY_XGXS_FLAG;
  3694. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3695. (phy->req_line_speed &&
  3696. ((phy->req_line_speed == SPEED_100) ||
  3697. (phy->req_line_speed == SPEED_10)))) {
  3698. vars->phy_flags |= PHY_SGMII_FLAG;
  3699. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3700. bnx2x_warpcore_clear_regs(phy, params, lane);
  3701. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3702. } else {
  3703. switch (serdes_net_if) {
  3704. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3705. /* Enable KR Auto Neg */
  3706. if (params->loopback_mode != LOOPBACK_EXT)
  3707. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3708. else {
  3709. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3710. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3711. }
  3712. break;
  3713. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3714. bnx2x_warpcore_clear_regs(phy, params, lane);
  3715. if (vars->line_speed == SPEED_10000) {
  3716. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3717. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3718. } else {
  3719. if (SINGLE_MEDIA_DIRECT(params)) {
  3720. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3721. fiber_mode = 1;
  3722. } else {
  3723. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3724. fiber_mode = 0;
  3725. }
  3726. bnx2x_warpcore_set_sgmii_speed(phy,
  3727. params,
  3728. fiber_mode,
  3729. 0);
  3730. }
  3731. break;
  3732. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3733. /* Issue Module detection */
  3734. if (bnx2x_is_sfp_module_plugged(phy, params))
  3735. bnx2x_sfp_module_detection(phy, params);
  3736. bnx2x_warpcore_config_sfi(phy, params);
  3737. break;
  3738. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3739. if (vars->line_speed != SPEED_20000) {
  3740. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3741. return;
  3742. }
  3743. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3744. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3745. /* Issue Module detection */
  3746. bnx2x_sfp_module_detection(phy, params);
  3747. break;
  3748. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3749. if (vars->line_speed != SPEED_20000) {
  3750. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3751. return;
  3752. }
  3753. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3754. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3755. break;
  3756. default:
  3757. DP(NETIF_MSG_LINK,
  3758. "Unsupported Serdes Net Interface 0x%x\n",
  3759. serdes_net_if);
  3760. return;
  3761. }
  3762. }
  3763. /* Take lane out of reset after configuration is finished */
  3764. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3765. DP(NETIF_MSG_LINK, "Exit config init\n");
  3766. }
  3767. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3768. struct bnx2x_phy *phy,
  3769. u8 tx_en)
  3770. {
  3771. struct bnx2x *bp = params->bp;
  3772. u32 cfg_pin;
  3773. u8 port = params->port;
  3774. cfg_pin = REG_RD(bp, params->shmem_base +
  3775. offsetof(struct shmem_region,
  3776. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3777. PORT_HW_CFG_TX_LASER_MASK;
  3778. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3779. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3780. /* For 20G, the expected pin to be used is 3 pins after the current */
  3781. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3782. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3783. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3784. }
  3785. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3786. struct link_params *params)
  3787. {
  3788. struct bnx2x *bp = params->bp;
  3789. u16 val16, lane;
  3790. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3791. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3792. bnx2x_set_aer_mmd(params, phy);
  3793. /* Global register */
  3794. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3795. /* Clear loopback settings (if any) */
  3796. /* 10G & 20G */
  3797. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3798. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3799. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3800. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3801. 0xBFFF);
  3802. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3803. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3804. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3805. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3806. /* Update those 1-copy registers */
  3807. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3808. MDIO_AER_BLOCK_AER_REG, 0);
  3809. /* Enable 1G MDIO (1-copy) */
  3810. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3811. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3812. &val16);
  3813. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3814. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3815. val16 & ~0x10);
  3816. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3817. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3818. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3819. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3820. val16 & 0xff00);
  3821. lane = bnx2x_get_warpcore_lane(phy, params);
  3822. /* Disable CL36 PCS Tx */
  3823. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3824. MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16);
  3825. val16 |= (0x11 << lane);
  3826. if (phy->flags & FLAGS_WC_DUAL_MODE)
  3827. val16 |= (0x22 << lane);
  3828. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3829. MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16);
  3830. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3831. MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16);
  3832. val16 &= ~(0x0303 << (lane << 1));
  3833. val16 |= (0x0101 << (lane << 1));
  3834. if (phy->flags & FLAGS_WC_DUAL_MODE) {
  3835. val16 &= ~(0x0c0c << (lane << 1));
  3836. val16 |= (0x0404 << (lane << 1));
  3837. }
  3838. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3839. MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16);
  3840. /* Restore AER */
  3841. bnx2x_set_aer_mmd(params, phy);
  3842. }
  3843. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3844. struct link_params *params)
  3845. {
  3846. struct bnx2x *bp = params->bp;
  3847. u16 val16;
  3848. u32 lane;
  3849. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3850. params->loopback_mode, phy->req_line_speed);
  3851. if (phy->req_line_speed < SPEED_10000) {
  3852. /* 10/100/1000 */
  3853. /* Update those 1-copy registers */
  3854. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3855. MDIO_AER_BLOCK_AER_REG, 0);
  3856. /* Enable 1G MDIO (1-copy) */
  3857. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3858. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3859. 0x10);
  3860. /* Set 1G loopback based on lane (1-copy) */
  3861. lane = bnx2x_get_warpcore_lane(phy, params);
  3862. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3863. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3864. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3865. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3866. val16 | (1<<lane));
  3867. /* Switch back to 4-copy registers */
  3868. bnx2x_set_aer_mmd(params, phy);
  3869. } else {
  3870. /* 10G & 20G */
  3871. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3872. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3873. 0x4000);
  3874. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3875. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1);
  3876. }
  3877. }
  3878. static void bnx2x_sync_link(struct link_params *params,
  3879. struct link_vars *vars)
  3880. {
  3881. struct bnx2x *bp = params->bp;
  3882. u8 link_10g_plus;
  3883. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3884. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3885. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3886. if (vars->link_up) {
  3887. DP(NETIF_MSG_LINK, "phy link up\n");
  3888. vars->phy_link_up = 1;
  3889. vars->duplex = DUPLEX_FULL;
  3890. switch (vars->link_status &
  3891. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3892. case LINK_10THD:
  3893. vars->duplex = DUPLEX_HALF;
  3894. /* Fall thru */
  3895. case LINK_10TFD:
  3896. vars->line_speed = SPEED_10;
  3897. break;
  3898. case LINK_100TXHD:
  3899. vars->duplex = DUPLEX_HALF;
  3900. /* Fall thru */
  3901. case LINK_100T4:
  3902. case LINK_100TXFD:
  3903. vars->line_speed = SPEED_100;
  3904. break;
  3905. case LINK_1000THD:
  3906. vars->duplex = DUPLEX_HALF;
  3907. /* Fall thru */
  3908. case LINK_1000TFD:
  3909. vars->line_speed = SPEED_1000;
  3910. break;
  3911. case LINK_2500THD:
  3912. vars->duplex = DUPLEX_HALF;
  3913. /* Fall thru */
  3914. case LINK_2500TFD:
  3915. vars->line_speed = SPEED_2500;
  3916. break;
  3917. case LINK_10GTFD:
  3918. vars->line_speed = SPEED_10000;
  3919. break;
  3920. case LINK_20GTFD:
  3921. vars->line_speed = SPEED_20000;
  3922. break;
  3923. default:
  3924. break;
  3925. }
  3926. vars->flow_ctrl = 0;
  3927. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  3928. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  3929. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  3930. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  3931. if (!vars->flow_ctrl)
  3932. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3933. if (vars->line_speed &&
  3934. ((vars->line_speed == SPEED_10) ||
  3935. (vars->line_speed == SPEED_100))) {
  3936. vars->phy_flags |= PHY_SGMII_FLAG;
  3937. } else {
  3938. vars->phy_flags &= ~PHY_SGMII_FLAG;
  3939. }
  3940. if (vars->line_speed &&
  3941. USES_WARPCORE(bp) &&
  3942. (vars->line_speed == SPEED_1000))
  3943. vars->phy_flags |= PHY_SGMII_FLAG;
  3944. /* Anything 10 and over uses the bmac */
  3945. link_10g_plus = (vars->line_speed >= SPEED_10000);
  3946. if (link_10g_plus) {
  3947. if (USES_WARPCORE(bp))
  3948. vars->mac_type = MAC_TYPE_XMAC;
  3949. else
  3950. vars->mac_type = MAC_TYPE_BMAC;
  3951. } else {
  3952. if (USES_WARPCORE(bp))
  3953. vars->mac_type = MAC_TYPE_UMAC;
  3954. else
  3955. vars->mac_type = MAC_TYPE_EMAC;
  3956. }
  3957. } else { /* Link down */
  3958. DP(NETIF_MSG_LINK, "phy link down\n");
  3959. vars->phy_link_up = 0;
  3960. vars->line_speed = 0;
  3961. vars->duplex = DUPLEX_FULL;
  3962. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3963. /* Indicate no mac active */
  3964. vars->mac_type = MAC_TYPE_NONE;
  3965. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3966. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  3967. if (vars->link_status & LINK_STATUS_SFP_TX_FAULT)
  3968. vars->phy_flags |= PHY_SFP_TX_FAULT_FLAG;
  3969. }
  3970. }
  3971. void bnx2x_link_status_update(struct link_params *params,
  3972. struct link_vars *vars)
  3973. {
  3974. struct bnx2x *bp = params->bp;
  3975. u8 port = params->port;
  3976. u32 sync_offset, media_types;
  3977. /* Update PHY configuration */
  3978. set_phy_vars(params, vars);
  3979. vars->link_status = REG_RD(bp, params->shmem_base +
  3980. offsetof(struct shmem_region,
  3981. port_mb[port].link_status));
  3982. if (bnx2x_eee_has_cap(params))
  3983. vars->eee_status = REG_RD(bp, params->shmem2_base +
  3984. offsetof(struct shmem2_region,
  3985. eee_status[params->port]));
  3986. vars->phy_flags = PHY_XGXS_FLAG;
  3987. bnx2x_sync_link(params, vars);
  3988. /* Sync media type */
  3989. sync_offset = params->shmem_base +
  3990. offsetof(struct shmem_region,
  3991. dev_info.port_hw_config[port].media_type);
  3992. media_types = REG_RD(bp, sync_offset);
  3993. params->phy[INT_PHY].media_type =
  3994. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  3995. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  3996. params->phy[EXT_PHY1].media_type =
  3997. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  3998. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  3999. params->phy[EXT_PHY2].media_type =
  4000. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4001. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4002. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4003. /* Sync AEU offset */
  4004. sync_offset = params->shmem_base +
  4005. offsetof(struct shmem_region,
  4006. dev_info.port_hw_config[port].aeu_int_mask);
  4007. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4008. /* Sync PFC status */
  4009. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4010. params->feature_config_flags |=
  4011. FEATURE_CONFIG_PFC_ENABLED;
  4012. else
  4013. params->feature_config_flags &=
  4014. ~FEATURE_CONFIG_PFC_ENABLED;
  4015. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4016. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4017. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4018. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4019. }
  4020. static void bnx2x_set_master_ln(struct link_params *params,
  4021. struct bnx2x_phy *phy)
  4022. {
  4023. struct bnx2x *bp = params->bp;
  4024. u16 new_master_ln, ser_lane;
  4025. ser_lane = ((params->lane_config &
  4026. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4027. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4028. /* Set the master_ln for AN */
  4029. CL22_RD_OVER_CL45(bp, phy,
  4030. MDIO_REG_BANK_XGXS_BLOCK2,
  4031. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4032. &new_master_ln);
  4033. CL22_WR_OVER_CL45(bp, phy,
  4034. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4035. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4036. (new_master_ln | ser_lane));
  4037. }
  4038. static int bnx2x_reset_unicore(struct link_params *params,
  4039. struct bnx2x_phy *phy,
  4040. u8 set_serdes)
  4041. {
  4042. struct bnx2x *bp = params->bp;
  4043. u16 mii_control;
  4044. u16 i;
  4045. CL22_RD_OVER_CL45(bp, phy,
  4046. MDIO_REG_BANK_COMBO_IEEE0,
  4047. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4048. /* Reset the unicore */
  4049. CL22_WR_OVER_CL45(bp, phy,
  4050. MDIO_REG_BANK_COMBO_IEEE0,
  4051. MDIO_COMBO_IEEE0_MII_CONTROL,
  4052. (mii_control |
  4053. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4054. if (set_serdes)
  4055. bnx2x_set_serdes_access(bp, params->port);
  4056. /* Wait for the reset to self clear */
  4057. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4058. udelay(5);
  4059. /* The reset erased the previous bank value */
  4060. CL22_RD_OVER_CL45(bp, phy,
  4061. MDIO_REG_BANK_COMBO_IEEE0,
  4062. MDIO_COMBO_IEEE0_MII_CONTROL,
  4063. &mii_control);
  4064. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4065. udelay(5);
  4066. return 0;
  4067. }
  4068. }
  4069. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4070. " Port %d\n",
  4071. params->port);
  4072. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4073. return -EINVAL;
  4074. }
  4075. static void bnx2x_set_swap_lanes(struct link_params *params,
  4076. struct bnx2x_phy *phy)
  4077. {
  4078. struct bnx2x *bp = params->bp;
  4079. /* Each two bits represents a lane number:
  4080. * No swap is 0123 => 0x1b no need to enable the swap
  4081. */
  4082. u16 rx_lane_swap, tx_lane_swap;
  4083. rx_lane_swap = ((params->lane_config &
  4084. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4085. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4086. tx_lane_swap = ((params->lane_config &
  4087. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4088. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4089. if (rx_lane_swap != 0x1b) {
  4090. CL22_WR_OVER_CL45(bp, phy,
  4091. MDIO_REG_BANK_XGXS_BLOCK2,
  4092. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4093. (rx_lane_swap |
  4094. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4095. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4096. } else {
  4097. CL22_WR_OVER_CL45(bp, phy,
  4098. MDIO_REG_BANK_XGXS_BLOCK2,
  4099. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4100. }
  4101. if (tx_lane_swap != 0x1b) {
  4102. CL22_WR_OVER_CL45(bp, phy,
  4103. MDIO_REG_BANK_XGXS_BLOCK2,
  4104. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4105. (tx_lane_swap |
  4106. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4107. } else {
  4108. CL22_WR_OVER_CL45(bp, phy,
  4109. MDIO_REG_BANK_XGXS_BLOCK2,
  4110. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4111. }
  4112. }
  4113. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4114. struct link_params *params)
  4115. {
  4116. struct bnx2x *bp = params->bp;
  4117. u16 control2;
  4118. CL22_RD_OVER_CL45(bp, phy,
  4119. MDIO_REG_BANK_SERDES_DIGITAL,
  4120. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4121. &control2);
  4122. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4123. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4124. else
  4125. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4126. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4127. phy->speed_cap_mask, control2);
  4128. CL22_WR_OVER_CL45(bp, phy,
  4129. MDIO_REG_BANK_SERDES_DIGITAL,
  4130. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4131. control2);
  4132. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4133. (phy->speed_cap_mask &
  4134. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4135. DP(NETIF_MSG_LINK, "XGXS\n");
  4136. CL22_WR_OVER_CL45(bp, phy,
  4137. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4138. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4139. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4140. CL22_RD_OVER_CL45(bp, phy,
  4141. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4142. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4143. &control2);
  4144. control2 |=
  4145. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4146. CL22_WR_OVER_CL45(bp, phy,
  4147. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4148. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4149. control2);
  4150. /* Disable parallel detection of HiG */
  4151. CL22_WR_OVER_CL45(bp, phy,
  4152. MDIO_REG_BANK_XGXS_BLOCK2,
  4153. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4154. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4155. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4156. }
  4157. }
  4158. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4159. struct link_params *params,
  4160. struct link_vars *vars,
  4161. u8 enable_cl73)
  4162. {
  4163. struct bnx2x *bp = params->bp;
  4164. u16 reg_val;
  4165. /* CL37 Autoneg */
  4166. CL22_RD_OVER_CL45(bp, phy,
  4167. MDIO_REG_BANK_COMBO_IEEE0,
  4168. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4169. /* CL37 Autoneg Enabled */
  4170. if (vars->line_speed == SPEED_AUTO_NEG)
  4171. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4172. else /* CL37 Autoneg Disabled */
  4173. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4174. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4175. CL22_WR_OVER_CL45(bp, phy,
  4176. MDIO_REG_BANK_COMBO_IEEE0,
  4177. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4178. /* Enable/Disable Autodetection */
  4179. CL22_RD_OVER_CL45(bp, phy,
  4180. MDIO_REG_BANK_SERDES_DIGITAL,
  4181. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4182. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4183. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4184. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4185. if (vars->line_speed == SPEED_AUTO_NEG)
  4186. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4187. else
  4188. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4189. CL22_WR_OVER_CL45(bp, phy,
  4190. MDIO_REG_BANK_SERDES_DIGITAL,
  4191. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4192. /* Enable TetonII and BAM autoneg */
  4193. CL22_RD_OVER_CL45(bp, phy,
  4194. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4195. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4196. &reg_val);
  4197. if (vars->line_speed == SPEED_AUTO_NEG) {
  4198. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4199. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4200. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4201. } else {
  4202. /* TetonII and BAM Autoneg Disabled */
  4203. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4204. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4205. }
  4206. CL22_WR_OVER_CL45(bp, phy,
  4207. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4208. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4209. reg_val);
  4210. if (enable_cl73) {
  4211. /* Enable Cl73 FSM status bits */
  4212. CL22_WR_OVER_CL45(bp, phy,
  4213. MDIO_REG_BANK_CL73_USERB0,
  4214. MDIO_CL73_USERB0_CL73_UCTRL,
  4215. 0xe);
  4216. /* Enable BAM Station Manager*/
  4217. CL22_WR_OVER_CL45(bp, phy,
  4218. MDIO_REG_BANK_CL73_USERB0,
  4219. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4220. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4221. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4222. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4223. /* Advertise CL73 link speeds */
  4224. CL22_RD_OVER_CL45(bp, phy,
  4225. MDIO_REG_BANK_CL73_IEEEB1,
  4226. MDIO_CL73_IEEEB1_AN_ADV2,
  4227. &reg_val);
  4228. if (phy->speed_cap_mask &
  4229. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4230. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4231. if (phy->speed_cap_mask &
  4232. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4233. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4234. CL22_WR_OVER_CL45(bp, phy,
  4235. MDIO_REG_BANK_CL73_IEEEB1,
  4236. MDIO_CL73_IEEEB1_AN_ADV2,
  4237. reg_val);
  4238. /* CL73 Autoneg Enabled */
  4239. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4240. } else /* CL73 Autoneg Disabled */
  4241. reg_val = 0;
  4242. CL22_WR_OVER_CL45(bp, phy,
  4243. MDIO_REG_BANK_CL73_IEEEB0,
  4244. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4245. }
  4246. /* Program SerDes, forced speed */
  4247. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4248. struct link_params *params,
  4249. struct link_vars *vars)
  4250. {
  4251. struct bnx2x *bp = params->bp;
  4252. u16 reg_val;
  4253. /* Program duplex, disable autoneg and sgmii*/
  4254. CL22_RD_OVER_CL45(bp, phy,
  4255. MDIO_REG_BANK_COMBO_IEEE0,
  4256. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4257. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4258. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4259. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4260. if (phy->req_duplex == DUPLEX_FULL)
  4261. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4262. CL22_WR_OVER_CL45(bp, phy,
  4263. MDIO_REG_BANK_COMBO_IEEE0,
  4264. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4265. /* Program speed
  4266. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4267. */
  4268. CL22_RD_OVER_CL45(bp, phy,
  4269. MDIO_REG_BANK_SERDES_DIGITAL,
  4270. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4271. /* Clearing the speed value before setting the right speed */
  4272. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4273. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4274. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4275. if (!((vars->line_speed == SPEED_1000) ||
  4276. (vars->line_speed == SPEED_100) ||
  4277. (vars->line_speed == SPEED_10))) {
  4278. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4279. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4280. if (vars->line_speed == SPEED_10000)
  4281. reg_val |=
  4282. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4283. }
  4284. CL22_WR_OVER_CL45(bp, phy,
  4285. MDIO_REG_BANK_SERDES_DIGITAL,
  4286. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4287. }
  4288. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4289. struct link_params *params)
  4290. {
  4291. struct bnx2x *bp = params->bp;
  4292. u16 val = 0;
  4293. /* Set extended capabilities */
  4294. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4295. val |= MDIO_OVER_1G_UP1_2_5G;
  4296. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4297. val |= MDIO_OVER_1G_UP1_10G;
  4298. CL22_WR_OVER_CL45(bp, phy,
  4299. MDIO_REG_BANK_OVER_1G,
  4300. MDIO_OVER_1G_UP1, val);
  4301. CL22_WR_OVER_CL45(bp, phy,
  4302. MDIO_REG_BANK_OVER_1G,
  4303. MDIO_OVER_1G_UP3, 0x400);
  4304. }
  4305. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4306. struct link_params *params,
  4307. u16 ieee_fc)
  4308. {
  4309. struct bnx2x *bp = params->bp;
  4310. u16 val;
  4311. /* For AN, we are always publishing full duplex */
  4312. CL22_WR_OVER_CL45(bp, phy,
  4313. MDIO_REG_BANK_COMBO_IEEE0,
  4314. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4315. CL22_RD_OVER_CL45(bp, phy,
  4316. MDIO_REG_BANK_CL73_IEEEB1,
  4317. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4318. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4319. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4320. CL22_WR_OVER_CL45(bp, phy,
  4321. MDIO_REG_BANK_CL73_IEEEB1,
  4322. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4323. }
  4324. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4325. struct link_params *params,
  4326. u8 enable_cl73)
  4327. {
  4328. struct bnx2x *bp = params->bp;
  4329. u16 mii_control;
  4330. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4331. /* Enable and restart BAM/CL37 aneg */
  4332. if (enable_cl73) {
  4333. CL22_RD_OVER_CL45(bp, phy,
  4334. MDIO_REG_BANK_CL73_IEEEB0,
  4335. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4336. &mii_control);
  4337. CL22_WR_OVER_CL45(bp, phy,
  4338. MDIO_REG_BANK_CL73_IEEEB0,
  4339. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4340. (mii_control |
  4341. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4342. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4343. } else {
  4344. CL22_RD_OVER_CL45(bp, phy,
  4345. MDIO_REG_BANK_COMBO_IEEE0,
  4346. MDIO_COMBO_IEEE0_MII_CONTROL,
  4347. &mii_control);
  4348. DP(NETIF_MSG_LINK,
  4349. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4350. mii_control);
  4351. CL22_WR_OVER_CL45(bp, phy,
  4352. MDIO_REG_BANK_COMBO_IEEE0,
  4353. MDIO_COMBO_IEEE0_MII_CONTROL,
  4354. (mii_control |
  4355. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4356. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4357. }
  4358. }
  4359. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4360. struct link_params *params,
  4361. struct link_vars *vars)
  4362. {
  4363. struct bnx2x *bp = params->bp;
  4364. u16 control1;
  4365. /* In SGMII mode, the unicore is always slave */
  4366. CL22_RD_OVER_CL45(bp, phy,
  4367. MDIO_REG_BANK_SERDES_DIGITAL,
  4368. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4369. &control1);
  4370. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4371. /* Set sgmii mode (and not fiber) */
  4372. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4373. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4374. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4375. CL22_WR_OVER_CL45(bp, phy,
  4376. MDIO_REG_BANK_SERDES_DIGITAL,
  4377. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4378. control1);
  4379. /* If forced speed */
  4380. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4381. /* Set speed, disable autoneg */
  4382. u16 mii_control;
  4383. CL22_RD_OVER_CL45(bp, phy,
  4384. MDIO_REG_BANK_COMBO_IEEE0,
  4385. MDIO_COMBO_IEEE0_MII_CONTROL,
  4386. &mii_control);
  4387. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4388. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4389. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4390. switch (vars->line_speed) {
  4391. case SPEED_100:
  4392. mii_control |=
  4393. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4394. break;
  4395. case SPEED_1000:
  4396. mii_control |=
  4397. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4398. break;
  4399. case SPEED_10:
  4400. /* There is nothing to set for 10M */
  4401. break;
  4402. default:
  4403. /* Invalid speed for SGMII */
  4404. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4405. vars->line_speed);
  4406. break;
  4407. }
  4408. /* Setting the full duplex */
  4409. if (phy->req_duplex == DUPLEX_FULL)
  4410. mii_control |=
  4411. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4412. CL22_WR_OVER_CL45(bp, phy,
  4413. MDIO_REG_BANK_COMBO_IEEE0,
  4414. MDIO_COMBO_IEEE0_MII_CONTROL,
  4415. mii_control);
  4416. } else { /* AN mode */
  4417. /* Enable and restart AN */
  4418. bnx2x_restart_autoneg(phy, params, 0);
  4419. }
  4420. }
  4421. /* Link management
  4422. */
  4423. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4424. struct link_params *params)
  4425. {
  4426. struct bnx2x *bp = params->bp;
  4427. u16 pd_10g, status2_1000x;
  4428. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4429. return 0;
  4430. CL22_RD_OVER_CL45(bp, phy,
  4431. MDIO_REG_BANK_SERDES_DIGITAL,
  4432. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4433. &status2_1000x);
  4434. CL22_RD_OVER_CL45(bp, phy,
  4435. MDIO_REG_BANK_SERDES_DIGITAL,
  4436. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4437. &status2_1000x);
  4438. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4439. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4440. params->port);
  4441. return 1;
  4442. }
  4443. CL22_RD_OVER_CL45(bp, phy,
  4444. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4445. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4446. &pd_10g);
  4447. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4448. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4449. params->port);
  4450. return 1;
  4451. }
  4452. return 0;
  4453. }
  4454. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4455. struct link_params *params,
  4456. struct link_vars *vars,
  4457. u32 gp_status)
  4458. {
  4459. u16 ld_pause; /* local driver */
  4460. u16 lp_pause; /* link partner */
  4461. u16 pause_result;
  4462. struct bnx2x *bp = params->bp;
  4463. if ((gp_status &
  4464. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4465. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4466. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4467. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4468. CL22_RD_OVER_CL45(bp, phy,
  4469. MDIO_REG_BANK_CL73_IEEEB1,
  4470. MDIO_CL73_IEEEB1_AN_ADV1,
  4471. &ld_pause);
  4472. CL22_RD_OVER_CL45(bp, phy,
  4473. MDIO_REG_BANK_CL73_IEEEB1,
  4474. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4475. &lp_pause);
  4476. pause_result = (ld_pause &
  4477. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4478. pause_result |= (lp_pause &
  4479. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4480. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4481. } else {
  4482. CL22_RD_OVER_CL45(bp, phy,
  4483. MDIO_REG_BANK_COMBO_IEEE0,
  4484. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4485. &ld_pause);
  4486. CL22_RD_OVER_CL45(bp, phy,
  4487. MDIO_REG_BANK_COMBO_IEEE0,
  4488. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4489. &lp_pause);
  4490. pause_result = (ld_pause &
  4491. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4492. pause_result |= (lp_pause &
  4493. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4494. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4495. }
  4496. bnx2x_pause_resolve(vars, pause_result);
  4497. }
  4498. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4499. struct link_params *params,
  4500. struct link_vars *vars,
  4501. u32 gp_status)
  4502. {
  4503. struct bnx2x *bp = params->bp;
  4504. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4505. /* Resolve from gp_status in case of AN complete and not sgmii */
  4506. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4507. /* Update the advertised flow-controled of LD/LP in AN */
  4508. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4509. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4510. /* But set the flow-control result as the requested one */
  4511. vars->flow_ctrl = phy->req_flow_ctrl;
  4512. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4513. vars->flow_ctrl = params->req_fc_auto_adv;
  4514. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4515. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4516. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4517. vars->flow_ctrl = params->req_fc_auto_adv;
  4518. return;
  4519. }
  4520. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4521. }
  4522. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4523. }
  4524. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4525. struct link_params *params)
  4526. {
  4527. struct bnx2x *bp = params->bp;
  4528. u16 rx_status, ustat_val, cl37_fsm_received;
  4529. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4530. /* Step 1: Make sure signal is detected */
  4531. CL22_RD_OVER_CL45(bp, phy,
  4532. MDIO_REG_BANK_RX0,
  4533. MDIO_RX0_RX_STATUS,
  4534. &rx_status);
  4535. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4536. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4537. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4538. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4539. CL22_WR_OVER_CL45(bp, phy,
  4540. MDIO_REG_BANK_CL73_IEEEB0,
  4541. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4542. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4543. return;
  4544. }
  4545. /* Step 2: Check CL73 state machine */
  4546. CL22_RD_OVER_CL45(bp, phy,
  4547. MDIO_REG_BANK_CL73_USERB0,
  4548. MDIO_CL73_USERB0_CL73_USTAT1,
  4549. &ustat_val);
  4550. if ((ustat_val &
  4551. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4552. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4553. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4554. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4555. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4556. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4557. return;
  4558. }
  4559. /* Step 3: Check CL37 Message Pages received to indicate LP
  4560. * supports only CL37
  4561. */
  4562. CL22_RD_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_REMOTE_PHY,
  4564. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4565. &cl37_fsm_received);
  4566. if ((cl37_fsm_received &
  4567. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4568. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4569. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4570. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4571. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4572. "misc_rx_status(0x8330) = 0x%x\n",
  4573. cl37_fsm_received);
  4574. return;
  4575. }
  4576. /* The combined cl37/cl73 fsm state information indicating that
  4577. * we are connected to a device which does not support cl73, but
  4578. * does support cl37 BAM. In this case we disable cl73 and
  4579. * restart cl37 auto-neg
  4580. */
  4581. /* Disable CL73 */
  4582. CL22_WR_OVER_CL45(bp, phy,
  4583. MDIO_REG_BANK_CL73_IEEEB0,
  4584. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4585. 0);
  4586. /* Restart CL37 autoneg */
  4587. bnx2x_restart_autoneg(phy, params, 0);
  4588. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4589. }
  4590. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4591. struct link_params *params,
  4592. struct link_vars *vars,
  4593. u32 gp_status)
  4594. {
  4595. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4596. vars->link_status |=
  4597. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4598. if (bnx2x_direct_parallel_detect_used(phy, params))
  4599. vars->link_status |=
  4600. LINK_STATUS_PARALLEL_DETECTION_USED;
  4601. }
  4602. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4603. struct link_params *params,
  4604. struct link_vars *vars,
  4605. u16 is_link_up,
  4606. u16 speed_mask,
  4607. u16 is_duplex)
  4608. {
  4609. struct bnx2x *bp = params->bp;
  4610. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4611. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4612. if (is_link_up) {
  4613. DP(NETIF_MSG_LINK, "phy link up\n");
  4614. vars->phy_link_up = 1;
  4615. vars->link_status |= LINK_STATUS_LINK_UP;
  4616. switch (speed_mask) {
  4617. case GP_STATUS_10M:
  4618. vars->line_speed = SPEED_10;
  4619. if (is_duplex == DUPLEX_FULL)
  4620. vars->link_status |= LINK_10TFD;
  4621. else
  4622. vars->link_status |= LINK_10THD;
  4623. break;
  4624. case GP_STATUS_100M:
  4625. vars->line_speed = SPEED_100;
  4626. if (is_duplex == DUPLEX_FULL)
  4627. vars->link_status |= LINK_100TXFD;
  4628. else
  4629. vars->link_status |= LINK_100TXHD;
  4630. break;
  4631. case GP_STATUS_1G:
  4632. case GP_STATUS_1G_KX:
  4633. vars->line_speed = SPEED_1000;
  4634. if (is_duplex == DUPLEX_FULL)
  4635. vars->link_status |= LINK_1000TFD;
  4636. else
  4637. vars->link_status |= LINK_1000THD;
  4638. break;
  4639. case GP_STATUS_2_5G:
  4640. vars->line_speed = SPEED_2500;
  4641. if (is_duplex == DUPLEX_FULL)
  4642. vars->link_status |= LINK_2500TFD;
  4643. else
  4644. vars->link_status |= LINK_2500THD;
  4645. break;
  4646. case GP_STATUS_5G:
  4647. case GP_STATUS_6G:
  4648. DP(NETIF_MSG_LINK,
  4649. "link speed unsupported gp_status 0x%x\n",
  4650. speed_mask);
  4651. return -EINVAL;
  4652. case GP_STATUS_10G_KX4:
  4653. case GP_STATUS_10G_HIG:
  4654. case GP_STATUS_10G_CX4:
  4655. case GP_STATUS_10G_KR:
  4656. case GP_STATUS_10G_SFI:
  4657. case GP_STATUS_10G_XFI:
  4658. vars->line_speed = SPEED_10000;
  4659. vars->link_status |= LINK_10GTFD;
  4660. break;
  4661. case GP_STATUS_20G_DXGXS:
  4662. vars->line_speed = SPEED_20000;
  4663. vars->link_status |= LINK_20GTFD;
  4664. break;
  4665. default:
  4666. DP(NETIF_MSG_LINK,
  4667. "link speed unsupported gp_status 0x%x\n",
  4668. speed_mask);
  4669. return -EINVAL;
  4670. }
  4671. } else { /* link_down */
  4672. DP(NETIF_MSG_LINK, "phy link down\n");
  4673. vars->phy_link_up = 0;
  4674. vars->duplex = DUPLEX_FULL;
  4675. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4676. vars->mac_type = MAC_TYPE_NONE;
  4677. }
  4678. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4679. vars->phy_link_up, vars->line_speed);
  4680. return 0;
  4681. }
  4682. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4683. struct link_params *params,
  4684. struct link_vars *vars)
  4685. {
  4686. struct bnx2x *bp = params->bp;
  4687. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4688. int rc = 0;
  4689. /* Read gp_status */
  4690. CL22_RD_OVER_CL45(bp, phy,
  4691. MDIO_REG_BANK_GP_STATUS,
  4692. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4693. &gp_status);
  4694. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4695. duplex = DUPLEX_FULL;
  4696. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4697. link_up = 1;
  4698. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4699. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4700. gp_status, link_up, speed_mask);
  4701. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4702. duplex);
  4703. if (rc == -EINVAL)
  4704. return rc;
  4705. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4706. if (SINGLE_MEDIA_DIRECT(params)) {
  4707. vars->duplex = duplex;
  4708. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4709. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4710. bnx2x_xgxs_an_resolve(phy, params, vars,
  4711. gp_status);
  4712. }
  4713. } else { /* Link_down */
  4714. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4715. SINGLE_MEDIA_DIRECT(params)) {
  4716. /* Check signal is detected */
  4717. bnx2x_check_fallback_to_cl37(phy, params);
  4718. }
  4719. }
  4720. /* Read LP advertised speeds*/
  4721. if (SINGLE_MEDIA_DIRECT(params) &&
  4722. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4723. u16 val;
  4724. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4725. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4726. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4727. vars->link_status |=
  4728. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4729. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4730. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4731. vars->link_status |=
  4732. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4733. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4734. MDIO_OVER_1G_LP_UP1, &val);
  4735. if (val & MDIO_OVER_1G_UP1_2_5G)
  4736. vars->link_status |=
  4737. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4738. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4739. vars->link_status |=
  4740. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4741. }
  4742. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4743. vars->duplex, vars->flow_ctrl, vars->link_status);
  4744. return rc;
  4745. }
  4746. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4747. struct link_params *params,
  4748. struct link_vars *vars)
  4749. {
  4750. struct bnx2x *bp = params->bp;
  4751. u8 lane;
  4752. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4753. int rc = 0;
  4754. lane = bnx2x_get_warpcore_lane(phy, params);
  4755. /* Read gp_status */
  4756. if (phy->req_line_speed > SPEED_10000) {
  4757. u16 temp_link_up;
  4758. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4759. 1, &temp_link_up);
  4760. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4761. 1, &link_up);
  4762. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4763. temp_link_up, link_up);
  4764. link_up &= (1<<2);
  4765. if (link_up)
  4766. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4767. } else {
  4768. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4769. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4770. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4771. /* Check for either KR or generic link up. */
  4772. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4773. ((gp_status1 >> 12) & 0xf);
  4774. link_up = gp_status1 & (1 << lane);
  4775. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4776. u16 pd, gp_status4;
  4777. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4778. /* Check Autoneg complete */
  4779. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4780. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4781. &gp_status4);
  4782. if (gp_status4 & ((1<<12)<<lane))
  4783. vars->link_status |=
  4784. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4785. /* Check parallel detect used */
  4786. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4787. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4788. &pd);
  4789. if (pd & (1<<15))
  4790. vars->link_status |=
  4791. LINK_STATUS_PARALLEL_DETECTION_USED;
  4792. }
  4793. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4794. vars->duplex = duplex;
  4795. }
  4796. }
  4797. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4798. SINGLE_MEDIA_DIRECT(params)) {
  4799. u16 val;
  4800. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4801. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4802. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4803. vars->link_status |=
  4804. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4805. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4806. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4807. vars->link_status |=
  4808. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4809. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4810. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4811. if (val & MDIO_OVER_1G_UP1_2_5G)
  4812. vars->link_status |=
  4813. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4814. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4815. vars->link_status |=
  4816. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4817. }
  4818. if (lane < 2) {
  4819. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4820. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4821. } else {
  4822. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4823. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4824. }
  4825. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4826. if ((lane & 1) == 0)
  4827. gp_speed <<= 8;
  4828. gp_speed &= 0x3f00;
  4829. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4830. duplex);
  4831. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4832. vars->duplex, vars->flow_ctrl, vars->link_status);
  4833. return rc;
  4834. }
  4835. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4836. {
  4837. struct bnx2x *bp = params->bp;
  4838. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4839. u16 lp_up2;
  4840. u16 tx_driver;
  4841. u16 bank;
  4842. /* Read precomp */
  4843. CL22_RD_OVER_CL45(bp, phy,
  4844. MDIO_REG_BANK_OVER_1G,
  4845. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4846. /* Bits [10:7] at lp_up2, positioned at [15:12] */
  4847. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4848. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4849. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4850. if (lp_up2 == 0)
  4851. return;
  4852. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4853. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4854. CL22_RD_OVER_CL45(bp, phy,
  4855. bank,
  4856. MDIO_TX0_TX_DRIVER, &tx_driver);
  4857. /* Replace tx_driver bits [15:12] */
  4858. if (lp_up2 !=
  4859. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4860. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4861. tx_driver |= lp_up2;
  4862. CL22_WR_OVER_CL45(bp, phy,
  4863. bank,
  4864. MDIO_TX0_TX_DRIVER, tx_driver);
  4865. }
  4866. }
  4867. }
  4868. static int bnx2x_emac_program(struct link_params *params,
  4869. struct link_vars *vars)
  4870. {
  4871. struct bnx2x *bp = params->bp;
  4872. u8 port = params->port;
  4873. u16 mode = 0;
  4874. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4875. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4876. EMAC_REG_EMAC_MODE,
  4877. (EMAC_MODE_25G_MODE |
  4878. EMAC_MODE_PORT_MII_10M |
  4879. EMAC_MODE_HALF_DUPLEX));
  4880. switch (vars->line_speed) {
  4881. case SPEED_10:
  4882. mode |= EMAC_MODE_PORT_MII_10M;
  4883. break;
  4884. case SPEED_100:
  4885. mode |= EMAC_MODE_PORT_MII;
  4886. break;
  4887. case SPEED_1000:
  4888. mode |= EMAC_MODE_PORT_GMII;
  4889. break;
  4890. case SPEED_2500:
  4891. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4892. break;
  4893. default:
  4894. /* 10G not valid for EMAC */
  4895. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4896. vars->line_speed);
  4897. return -EINVAL;
  4898. }
  4899. if (vars->duplex == DUPLEX_HALF)
  4900. mode |= EMAC_MODE_HALF_DUPLEX;
  4901. bnx2x_bits_en(bp,
  4902. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4903. mode);
  4904. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4905. return 0;
  4906. }
  4907. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4908. struct link_params *params)
  4909. {
  4910. u16 bank, i = 0;
  4911. struct bnx2x *bp = params->bp;
  4912. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4913. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4914. CL22_WR_OVER_CL45(bp, phy,
  4915. bank,
  4916. MDIO_RX0_RX_EQ_BOOST,
  4917. phy->rx_preemphasis[i]);
  4918. }
  4919. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4920. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4921. CL22_WR_OVER_CL45(bp, phy,
  4922. bank,
  4923. MDIO_TX0_TX_DRIVER,
  4924. phy->tx_preemphasis[i]);
  4925. }
  4926. }
  4927. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  4928. struct link_params *params,
  4929. struct link_vars *vars)
  4930. {
  4931. struct bnx2x *bp = params->bp;
  4932. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  4933. (params->loopback_mode == LOOPBACK_XGXS));
  4934. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  4935. if (SINGLE_MEDIA_DIRECT(params) &&
  4936. (params->feature_config_flags &
  4937. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  4938. bnx2x_set_preemphasis(phy, params);
  4939. /* Forced speed requested? */
  4940. if (vars->line_speed != SPEED_AUTO_NEG ||
  4941. (SINGLE_MEDIA_DIRECT(params) &&
  4942. params->loopback_mode == LOOPBACK_EXT)) {
  4943. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  4944. /* Disable autoneg */
  4945. bnx2x_set_autoneg(phy, params, vars, 0);
  4946. /* Program speed and duplex */
  4947. bnx2x_program_serdes(phy, params, vars);
  4948. } else { /* AN_mode */
  4949. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  4950. /* AN enabled */
  4951. bnx2x_set_brcm_cl37_advertisement(phy, params);
  4952. /* Program duplex & pause advertisement (for aneg) */
  4953. bnx2x_set_ieee_aneg_advertisement(phy, params,
  4954. vars->ieee_fc);
  4955. /* Enable autoneg */
  4956. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  4957. /* Enable and restart AN */
  4958. bnx2x_restart_autoneg(phy, params, enable_cl73);
  4959. }
  4960. } else { /* SGMII mode */
  4961. DP(NETIF_MSG_LINK, "SGMII\n");
  4962. bnx2x_initialize_sgmii_process(phy, params, vars);
  4963. }
  4964. }
  4965. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  4966. struct link_params *params,
  4967. struct link_vars *vars)
  4968. {
  4969. int rc;
  4970. vars->phy_flags |= PHY_XGXS_FLAG;
  4971. if ((phy->req_line_speed &&
  4972. ((phy->req_line_speed == SPEED_100) ||
  4973. (phy->req_line_speed == SPEED_10))) ||
  4974. (!phy->req_line_speed &&
  4975. (phy->speed_cap_mask >=
  4976. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  4977. (phy->speed_cap_mask <
  4978. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  4979. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  4980. vars->phy_flags |= PHY_SGMII_FLAG;
  4981. else
  4982. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4983. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  4984. bnx2x_set_aer_mmd(params, phy);
  4985. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  4986. bnx2x_set_master_ln(params, phy);
  4987. rc = bnx2x_reset_unicore(params, phy, 0);
  4988. /* Reset the SerDes and wait for reset bit return low */
  4989. if (rc)
  4990. return rc;
  4991. bnx2x_set_aer_mmd(params, phy);
  4992. /* Setting the masterLn_def again after the reset */
  4993. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  4994. bnx2x_set_master_ln(params, phy);
  4995. bnx2x_set_swap_lanes(params, phy);
  4996. }
  4997. return rc;
  4998. }
  4999. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5000. struct bnx2x_phy *phy,
  5001. struct link_params *params)
  5002. {
  5003. u16 cnt, ctrl;
  5004. /* Wait for soft reset to get cleared up to 1 sec */
  5005. for (cnt = 0; cnt < 1000; cnt++) {
  5006. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5007. bnx2x_cl22_read(bp, phy,
  5008. MDIO_PMA_REG_CTRL, &ctrl);
  5009. else
  5010. bnx2x_cl45_read(bp, phy,
  5011. MDIO_PMA_DEVAD,
  5012. MDIO_PMA_REG_CTRL, &ctrl);
  5013. if (!(ctrl & (1<<15)))
  5014. break;
  5015. usleep_range(1000, 2000);
  5016. }
  5017. if (cnt == 1000)
  5018. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5019. " Port %d\n",
  5020. params->port);
  5021. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5022. return cnt;
  5023. }
  5024. static void bnx2x_link_int_enable(struct link_params *params)
  5025. {
  5026. u8 port = params->port;
  5027. u32 mask;
  5028. struct bnx2x *bp = params->bp;
  5029. /* Setting the status to report on link up for either XGXS or SerDes */
  5030. if (CHIP_IS_E3(bp)) {
  5031. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5032. if (!(SINGLE_MEDIA_DIRECT(params)))
  5033. mask |= NIG_MASK_MI_INT;
  5034. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5035. mask = (NIG_MASK_XGXS0_LINK10G |
  5036. NIG_MASK_XGXS0_LINK_STATUS);
  5037. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5038. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5039. params->phy[INT_PHY].type !=
  5040. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5041. mask |= NIG_MASK_MI_INT;
  5042. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5043. }
  5044. } else { /* SerDes */
  5045. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5046. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5047. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5048. params->phy[INT_PHY].type !=
  5049. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5050. mask |= NIG_MASK_MI_INT;
  5051. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5052. }
  5053. }
  5054. bnx2x_bits_en(bp,
  5055. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5056. mask);
  5057. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5058. (params->switch_cfg == SWITCH_CFG_10G),
  5059. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5060. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5061. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5062. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5063. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5064. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5065. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5066. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5067. }
  5068. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5069. u8 exp_mi_int)
  5070. {
  5071. u32 latch_status = 0;
  5072. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5073. * status register. Link down indication is high-active-signal,
  5074. * so in this case we need to write the status to clear the XOR
  5075. */
  5076. /* Read Latched signals */
  5077. latch_status = REG_RD(bp,
  5078. NIG_REG_LATCH_STATUS_0 + port*8);
  5079. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5080. /* Handle only those with latched-signal=up.*/
  5081. if (exp_mi_int)
  5082. bnx2x_bits_en(bp,
  5083. NIG_REG_STATUS_INTERRUPT_PORT0
  5084. + port*4,
  5085. NIG_STATUS_EMAC0_MI_INT);
  5086. else
  5087. bnx2x_bits_dis(bp,
  5088. NIG_REG_STATUS_INTERRUPT_PORT0
  5089. + port*4,
  5090. NIG_STATUS_EMAC0_MI_INT);
  5091. if (latch_status & 1) {
  5092. /* For all latched-signal=up : Re-Arm Latch signals */
  5093. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5094. (latch_status & 0xfffe) | (latch_status & 1));
  5095. }
  5096. /* For all latched-signal=up,Write original_signal to status */
  5097. }
  5098. static void bnx2x_link_int_ack(struct link_params *params,
  5099. struct link_vars *vars, u8 is_10g_plus)
  5100. {
  5101. struct bnx2x *bp = params->bp;
  5102. u8 port = params->port;
  5103. u32 mask;
  5104. /* First reset all status we assume only one line will be
  5105. * change at a time
  5106. */
  5107. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5108. (NIG_STATUS_XGXS0_LINK10G |
  5109. NIG_STATUS_XGXS0_LINK_STATUS |
  5110. NIG_STATUS_SERDES0_LINK_STATUS));
  5111. if (vars->phy_link_up) {
  5112. if (USES_WARPCORE(bp))
  5113. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5114. else {
  5115. if (is_10g_plus)
  5116. mask = NIG_STATUS_XGXS0_LINK10G;
  5117. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5118. /* Disable the link interrupt by writing 1 to
  5119. * the relevant lane in the status register
  5120. */
  5121. u32 ser_lane =
  5122. ((params->lane_config &
  5123. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5124. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5125. mask = ((1 << ser_lane) <<
  5126. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5127. } else
  5128. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5129. }
  5130. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5131. mask);
  5132. bnx2x_bits_en(bp,
  5133. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5134. mask);
  5135. }
  5136. }
  5137. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5138. {
  5139. u8 *str_ptr = str;
  5140. u32 mask = 0xf0000000;
  5141. u8 shift = 8*4;
  5142. u8 digit;
  5143. u8 remove_leading_zeros = 1;
  5144. if (*len < 10) {
  5145. /* Need more than 10chars for this format */
  5146. *str_ptr = '\0';
  5147. (*len)--;
  5148. return -EINVAL;
  5149. }
  5150. while (shift > 0) {
  5151. shift -= 4;
  5152. digit = ((num & mask) >> shift);
  5153. if (digit == 0 && remove_leading_zeros) {
  5154. mask = mask >> 4;
  5155. continue;
  5156. } else if (digit < 0xa)
  5157. *str_ptr = digit + '0';
  5158. else
  5159. *str_ptr = digit - 0xa + 'a';
  5160. remove_leading_zeros = 0;
  5161. str_ptr++;
  5162. (*len)--;
  5163. mask = mask >> 4;
  5164. if (shift == 4*4) {
  5165. *str_ptr = '.';
  5166. str_ptr++;
  5167. (*len)--;
  5168. remove_leading_zeros = 1;
  5169. }
  5170. }
  5171. return 0;
  5172. }
  5173. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5174. {
  5175. str[0] = '\0';
  5176. (*len)--;
  5177. return 0;
  5178. }
  5179. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5180. u16 len)
  5181. {
  5182. struct bnx2x *bp;
  5183. u32 spirom_ver = 0;
  5184. int status = 0;
  5185. u8 *ver_p = version;
  5186. u16 remain_len = len;
  5187. if (version == NULL || params == NULL)
  5188. return -EINVAL;
  5189. bp = params->bp;
  5190. /* Extract first external phy*/
  5191. version[0] = '\0';
  5192. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5193. if (params->phy[EXT_PHY1].format_fw_ver) {
  5194. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5195. ver_p,
  5196. &remain_len);
  5197. ver_p += (len - remain_len);
  5198. }
  5199. if ((params->num_phys == MAX_PHYS) &&
  5200. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5201. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5202. if (params->phy[EXT_PHY2].format_fw_ver) {
  5203. *ver_p = '/';
  5204. ver_p++;
  5205. remain_len--;
  5206. status |= params->phy[EXT_PHY2].format_fw_ver(
  5207. spirom_ver,
  5208. ver_p,
  5209. &remain_len);
  5210. ver_p = version + (len - remain_len);
  5211. }
  5212. }
  5213. *ver_p = '\0';
  5214. return status;
  5215. }
  5216. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5217. struct link_params *params)
  5218. {
  5219. u8 port = params->port;
  5220. struct bnx2x *bp = params->bp;
  5221. if (phy->req_line_speed != SPEED_1000) {
  5222. u32 md_devad = 0;
  5223. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5224. if (!CHIP_IS_E3(bp)) {
  5225. /* Change the uni_phy_addr in the nig */
  5226. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5227. port*0x18));
  5228. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5229. 0x5);
  5230. }
  5231. bnx2x_cl45_write(bp, phy,
  5232. 5,
  5233. (MDIO_REG_BANK_AER_BLOCK +
  5234. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5235. 0x2800);
  5236. bnx2x_cl45_write(bp, phy,
  5237. 5,
  5238. (MDIO_REG_BANK_CL73_IEEEB0 +
  5239. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5240. 0x6041);
  5241. msleep(200);
  5242. /* Set aer mmd back */
  5243. bnx2x_set_aer_mmd(params, phy);
  5244. if (!CHIP_IS_E3(bp)) {
  5245. /* And md_devad */
  5246. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5247. md_devad);
  5248. }
  5249. } else {
  5250. u16 mii_ctrl;
  5251. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5252. bnx2x_cl45_read(bp, phy, 5,
  5253. (MDIO_REG_BANK_COMBO_IEEE0 +
  5254. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5255. &mii_ctrl);
  5256. bnx2x_cl45_write(bp, phy, 5,
  5257. (MDIO_REG_BANK_COMBO_IEEE0 +
  5258. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5259. mii_ctrl |
  5260. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5261. }
  5262. }
  5263. int bnx2x_set_led(struct link_params *params,
  5264. struct link_vars *vars, u8 mode, u32 speed)
  5265. {
  5266. u8 port = params->port;
  5267. u16 hw_led_mode = params->hw_led_mode;
  5268. int rc = 0;
  5269. u8 phy_idx;
  5270. u32 tmp;
  5271. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5272. struct bnx2x *bp = params->bp;
  5273. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5274. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5275. speed, hw_led_mode);
  5276. /* In case */
  5277. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5278. if (params->phy[phy_idx].set_link_led) {
  5279. params->phy[phy_idx].set_link_led(
  5280. &params->phy[phy_idx], params, mode);
  5281. }
  5282. }
  5283. switch (mode) {
  5284. case LED_MODE_FRONT_PANEL_OFF:
  5285. case LED_MODE_OFF:
  5286. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5287. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5288. SHARED_HW_CFG_LED_MAC1);
  5289. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5290. if (params->phy[EXT_PHY1].type ==
  5291. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5292. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5293. EMAC_LED_100MB_OVERRIDE |
  5294. EMAC_LED_10MB_OVERRIDE);
  5295. else
  5296. tmp |= EMAC_LED_OVERRIDE;
  5297. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5298. break;
  5299. case LED_MODE_OPER:
  5300. /* For all other phys, OPER mode is same as ON, so in case
  5301. * link is down, do nothing
  5302. */
  5303. if (!vars->link_up)
  5304. break;
  5305. case LED_MODE_ON:
  5306. if (((params->phy[EXT_PHY1].type ==
  5307. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5308. (params->phy[EXT_PHY1].type ==
  5309. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5310. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5311. /* This is a work-around for E2+8727 Configurations */
  5312. if (mode == LED_MODE_ON ||
  5313. speed == SPEED_10000){
  5314. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5315. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5316. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5317. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5318. (tmp | EMAC_LED_OVERRIDE));
  5319. /* Return here without enabling traffic
  5320. * LED blink and setting rate in ON mode.
  5321. * In oper mode, enabling LED blink
  5322. * and setting rate is needed.
  5323. */
  5324. if (mode == LED_MODE_ON)
  5325. return rc;
  5326. }
  5327. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5328. /* This is a work-around for HW issue found when link
  5329. * is up in CL73
  5330. */
  5331. if ((!CHIP_IS_E3(bp)) ||
  5332. (CHIP_IS_E3(bp) &&
  5333. mode == LED_MODE_ON))
  5334. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5335. if (CHIP_IS_E1x(bp) ||
  5336. CHIP_IS_E2(bp) ||
  5337. (mode == LED_MODE_ON))
  5338. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5339. else
  5340. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5341. hw_led_mode);
  5342. } else if ((params->phy[EXT_PHY1].type ==
  5343. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5344. (mode == LED_MODE_ON)) {
  5345. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5346. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5347. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5348. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5349. /* Break here; otherwise, it'll disable the
  5350. * intended override.
  5351. */
  5352. break;
  5353. } else
  5354. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5355. hw_led_mode);
  5356. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5357. /* Set blinking rate to ~15.9Hz */
  5358. if (CHIP_IS_E3(bp))
  5359. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5360. LED_BLINK_RATE_VAL_E3);
  5361. else
  5362. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5363. LED_BLINK_RATE_VAL_E1X_E2);
  5364. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5365. port*4, 1);
  5366. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5367. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5368. (tmp & (~EMAC_LED_OVERRIDE)));
  5369. if (CHIP_IS_E1(bp) &&
  5370. ((speed == SPEED_2500) ||
  5371. (speed == SPEED_1000) ||
  5372. (speed == SPEED_100) ||
  5373. (speed == SPEED_10))) {
  5374. /* For speeds less than 10G LED scheme is different */
  5375. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5376. + port*4, 1);
  5377. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5378. port*4, 0);
  5379. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5380. port*4, 1);
  5381. }
  5382. break;
  5383. default:
  5384. rc = -EINVAL;
  5385. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5386. mode);
  5387. break;
  5388. }
  5389. return rc;
  5390. }
  5391. /* This function comes to reflect the actual link state read DIRECTLY from the
  5392. * HW
  5393. */
  5394. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5395. u8 is_serdes)
  5396. {
  5397. struct bnx2x *bp = params->bp;
  5398. u16 gp_status = 0, phy_index = 0;
  5399. u8 ext_phy_link_up = 0, serdes_phy_type;
  5400. struct link_vars temp_vars;
  5401. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5402. if (CHIP_IS_E3(bp)) {
  5403. u16 link_up;
  5404. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5405. > SPEED_10000) {
  5406. /* Check 20G link */
  5407. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5408. 1, &link_up);
  5409. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5410. 1, &link_up);
  5411. link_up &= (1<<2);
  5412. } else {
  5413. /* Check 10G link and below*/
  5414. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5415. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5416. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5417. &gp_status);
  5418. gp_status = ((gp_status >> 8) & 0xf) |
  5419. ((gp_status >> 12) & 0xf);
  5420. link_up = gp_status & (1 << lane);
  5421. }
  5422. if (!link_up)
  5423. return -ESRCH;
  5424. } else {
  5425. CL22_RD_OVER_CL45(bp, int_phy,
  5426. MDIO_REG_BANK_GP_STATUS,
  5427. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5428. &gp_status);
  5429. /* Link is up only if both local phy and external phy are up */
  5430. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5431. return -ESRCH;
  5432. }
  5433. /* In XGXS loopback mode, do not check external PHY */
  5434. if (params->loopback_mode == LOOPBACK_XGXS)
  5435. return 0;
  5436. switch (params->num_phys) {
  5437. case 1:
  5438. /* No external PHY */
  5439. return 0;
  5440. case 2:
  5441. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5442. &params->phy[EXT_PHY1],
  5443. params, &temp_vars);
  5444. break;
  5445. case 3: /* Dual Media */
  5446. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5447. phy_index++) {
  5448. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5449. ETH_PHY_SFPP_10G_FIBER) ||
  5450. (params->phy[phy_index].media_type ==
  5451. ETH_PHY_SFP_1G_FIBER) ||
  5452. (params->phy[phy_index].media_type ==
  5453. ETH_PHY_XFP_FIBER) ||
  5454. (params->phy[phy_index].media_type ==
  5455. ETH_PHY_DA_TWINAX));
  5456. if (is_serdes != serdes_phy_type)
  5457. continue;
  5458. if (params->phy[phy_index].read_status) {
  5459. ext_phy_link_up |=
  5460. params->phy[phy_index].read_status(
  5461. &params->phy[phy_index],
  5462. params, &temp_vars);
  5463. }
  5464. }
  5465. break;
  5466. }
  5467. if (ext_phy_link_up)
  5468. return 0;
  5469. return -ESRCH;
  5470. }
  5471. static int bnx2x_link_initialize(struct link_params *params,
  5472. struct link_vars *vars)
  5473. {
  5474. int rc = 0;
  5475. u8 phy_index, non_ext_phy;
  5476. struct bnx2x *bp = params->bp;
  5477. /* In case of external phy existence, the line speed would be the
  5478. * line speed linked up by the external phy. In case it is direct
  5479. * only, then the line_speed during initialization will be
  5480. * equal to the req_line_speed
  5481. */
  5482. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5483. /* Initialize the internal phy in case this is a direct board
  5484. * (no external phys), or this board has external phy which requires
  5485. * to first.
  5486. */
  5487. if (!USES_WARPCORE(bp))
  5488. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5489. /* init ext phy and enable link state int */
  5490. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5491. (params->loopback_mode == LOOPBACK_XGXS));
  5492. if (non_ext_phy ||
  5493. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5494. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5495. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5496. if (vars->line_speed == SPEED_AUTO_NEG &&
  5497. (CHIP_IS_E1x(bp) ||
  5498. CHIP_IS_E2(bp)))
  5499. bnx2x_set_parallel_detection(phy, params);
  5500. if (params->phy[INT_PHY].config_init)
  5501. params->phy[INT_PHY].config_init(phy,
  5502. params,
  5503. vars);
  5504. }
  5505. /* Init external phy*/
  5506. if (non_ext_phy) {
  5507. if (params->phy[INT_PHY].supported &
  5508. SUPPORTED_FIBRE)
  5509. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5510. } else {
  5511. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5512. phy_index++) {
  5513. /* No need to initialize second phy in case of first
  5514. * phy only selection. In case of second phy, we do
  5515. * need to initialize the first phy, since they are
  5516. * connected.
  5517. */
  5518. if (params->phy[phy_index].supported &
  5519. SUPPORTED_FIBRE)
  5520. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5521. if (phy_index == EXT_PHY2 &&
  5522. (bnx2x_phy_selection(params) ==
  5523. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5524. DP(NETIF_MSG_LINK,
  5525. "Not initializing second phy\n");
  5526. continue;
  5527. }
  5528. params->phy[phy_index].config_init(
  5529. &params->phy[phy_index],
  5530. params, vars);
  5531. }
  5532. }
  5533. /* Reset the interrupt indication after phy was initialized */
  5534. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5535. params->port*4,
  5536. (NIG_STATUS_XGXS0_LINK10G |
  5537. NIG_STATUS_XGXS0_LINK_STATUS |
  5538. NIG_STATUS_SERDES0_LINK_STATUS |
  5539. NIG_MASK_MI_INT));
  5540. return rc;
  5541. }
  5542. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5543. struct link_params *params)
  5544. {
  5545. /* Reset the SerDes/XGXS */
  5546. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5547. (0x1ff << (params->port*16)));
  5548. }
  5549. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5550. struct link_params *params)
  5551. {
  5552. struct bnx2x *bp = params->bp;
  5553. u8 gpio_port;
  5554. /* HW reset */
  5555. if (CHIP_IS_E2(bp))
  5556. gpio_port = BP_PATH(bp);
  5557. else
  5558. gpio_port = params->port;
  5559. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5560. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5561. gpio_port);
  5562. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5563. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5564. gpio_port);
  5565. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5566. }
  5567. static int bnx2x_update_link_down(struct link_params *params,
  5568. struct link_vars *vars)
  5569. {
  5570. struct bnx2x *bp = params->bp;
  5571. u8 port = params->port;
  5572. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5573. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5574. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5575. /* Indicate no mac active */
  5576. vars->mac_type = MAC_TYPE_NONE;
  5577. /* Update shared memory */
  5578. vars->link_status &= ~LINK_UPDATE_MASK;
  5579. vars->line_speed = 0;
  5580. bnx2x_update_mng(params, vars->link_status);
  5581. /* Activate nig drain */
  5582. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5583. /* Disable emac */
  5584. if (!CHIP_IS_E3(bp))
  5585. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5586. usleep_range(10000, 20000);
  5587. /* Reset BigMac/Xmac */
  5588. if (CHIP_IS_E1x(bp) ||
  5589. CHIP_IS_E2(bp))
  5590. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  5591. if (CHIP_IS_E3(bp)) {
  5592. /* Prevent LPI Generation by chip */
  5593. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 + (params->port << 2),
  5594. 0);
  5595. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 + (params->port << 2),
  5596. 0);
  5597. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  5598. SHMEM_EEE_ACTIVE_BIT);
  5599. bnx2x_update_mng_eee(params, vars->eee_status);
  5600. bnx2x_set_xmac_rxtx(params, 0);
  5601. bnx2x_set_umac_rxtx(params, 0);
  5602. }
  5603. return 0;
  5604. }
  5605. static int bnx2x_update_link_up(struct link_params *params,
  5606. struct link_vars *vars,
  5607. u8 link_10g)
  5608. {
  5609. struct bnx2x *bp = params->bp;
  5610. u8 phy_idx, port = params->port;
  5611. int rc = 0;
  5612. vars->link_status |= (LINK_STATUS_LINK_UP |
  5613. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5614. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5615. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5616. vars->link_status |=
  5617. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5618. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5619. vars->link_status |=
  5620. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5621. if (USES_WARPCORE(bp)) {
  5622. if (link_10g) {
  5623. if (bnx2x_xmac_enable(params, vars, 0) ==
  5624. -ESRCH) {
  5625. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5626. vars->link_up = 0;
  5627. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5628. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5629. }
  5630. } else
  5631. bnx2x_umac_enable(params, vars, 0);
  5632. bnx2x_set_led(params, vars,
  5633. LED_MODE_OPER, vars->line_speed);
  5634. if ((vars->eee_status & SHMEM_EEE_ACTIVE_BIT) &&
  5635. (vars->eee_status & SHMEM_EEE_LPI_REQUESTED_BIT)) {
  5636. DP(NETIF_MSG_LINK, "Enabling LPI assertion\n");
  5637. REG_WR(bp, MISC_REG_CPMU_LP_FW_ENABLE_P0 +
  5638. (params->port << 2), 1);
  5639. REG_WR(bp, MISC_REG_CPMU_LP_DR_ENABLE, 1);
  5640. REG_WR(bp, MISC_REG_CPMU_LP_MASK_ENT_P0 +
  5641. (params->port << 2), 0xfc20);
  5642. }
  5643. }
  5644. if ((CHIP_IS_E1x(bp) ||
  5645. CHIP_IS_E2(bp))) {
  5646. if (link_10g) {
  5647. if (bnx2x_bmac_enable(params, vars, 0, 1) ==
  5648. -ESRCH) {
  5649. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5650. vars->link_up = 0;
  5651. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5652. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5653. }
  5654. bnx2x_set_led(params, vars,
  5655. LED_MODE_OPER, SPEED_10000);
  5656. } else {
  5657. rc = bnx2x_emac_program(params, vars);
  5658. bnx2x_emac_enable(params, vars, 0);
  5659. /* AN complete? */
  5660. if ((vars->link_status &
  5661. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5662. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5663. SINGLE_MEDIA_DIRECT(params))
  5664. bnx2x_set_gmii_tx_driver(params);
  5665. }
  5666. }
  5667. /* PBF - link up */
  5668. if (CHIP_IS_E1x(bp))
  5669. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5670. vars->line_speed);
  5671. /* Disable drain */
  5672. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5673. /* Update shared memory */
  5674. bnx2x_update_mng(params, vars->link_status);
  5675. bnx2x_update_mng_eee(params, vars->eee_status);
  5676. /* Check remote fault */
  5677. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5678. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5679. bnx2x_check_half_open_conn(params, vars, 0);
  5680. break;
  5681. }
  5682. }
  5683. msleep(20);
  5684. return rc;
  5685. }
  5686. /* The bnx2x_link_update function should be called upon link
  5687. * interrupt.
  5688. * Link is considered up as follows:
  5689. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5690. * to be up
  5691. * - SINGLE_MEDIA - The link between the 577xx and the external
  5692. * phy (XGXS) need to up as well as the external link of the
  5693. * phy (PHY_EXT1)
  5694. * - DUAL_MEDIA - The link between the 577xx and the first
  5695. * external phy needs to be up, and at least one of the 2
  5696. * external phy link must be up.
  5697. */
  5698. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5699. {
  5700. struct bnx2x *bp = params->bp;
  5701. struct link_vars phy_vars[MAX_PHYS];
  5702. u8 port = params->port;
  5703. u8 link_10g_plus, phy_index;
  5704. u8 ext_phy_link_up = 0, cur_link_up;
  5705. int rc = 0;
  5706. u8 is_mi_int = 0;
  5707. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5708. u8 active_external_phy = INT_PHY;
  5709. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5710. vars->link_status &= ~LINK_UPDATE_MASK;
  5711. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5712. phy_index++) {
  5713. phy_vars[phy_index].flow_ctrl = 0;
  5714. phy_vars[phy_index].link_status = 0;
  5715. phy_vars[phy_index].line_speed = 0;
  5716. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5717. phy_vars[phy_index].phy_link_up = 0;
  5718. phy_vars[phy_index].link_up = 0;
  5719. phy_vars[phy_index].fault_detected = 0;
  5720. /* different consideration, since vars holds inner state */
  5721. phy_vars[phy_index].eee_status = vars->eee_status;
  5722. }
  5723. if (USES_WARPCORE(bp))
  5724. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5725. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5726. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5727. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5728. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5729. port*0x18) > 0);
  5730. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5731. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5732. is_mi_int,
  5733. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5734. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5735. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5736. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5737. /* Disable emac */
  5738. if (!CHIP_IS_E3(bp))
  5739. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5740. /* Step 1:
  5741. * Check external link change only for external phys, and apply
  5742. * priority selection between them in case the link on both phys
  5743. * is up. Note that instead of the common vars, a temporary
  5744. * vars argument is used since each phy may have different link/
  5745. * speed/duplex result
  5746. */
  5747. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5748. phy_index++) {
  5749. struct bnx2x_phy *phy = &params->phy[phy_index];
  5750. if (!phy->read_status)
  5751. continue;
  5752. /* Read link status and params of this ext phy */
  5753. cur_link_up = phy->read_status(phy, params,
  5754. &phy_vars[phy_index]);
  5755. if (cur_link_up) {
  5756. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5757. phy_index);
  5758. } else {
  5759. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5760. phy_index);
  5761. continue;
  5762. }
  5763. if (!ext_phy_link_up) {
  5764. ext_phy_link_up = 1;
  5765. active_external_phy = phy_index;
  5766. } else {
  5767. switch (bnx2x_phy_selection(params)) {
  5768. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5769. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5770. /* In this option, the first PHY makes sure to pass the
  5771. * traffic through itself only.
  5772. * Its not clear how to reset the link on the second phy
  5773. */
  5774. active_external_phy = EXT_PHY1;
  5775. break;
  5776. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5777. /* In this option, the first PHY makes sure to pass the
  5778. * traffic through the second PHY.
  5779. */
  5780. active_external_phy = EXT_PHY2;
  5781. break;
  5782. default:
  5783. /* Link indication on both PHYs with the following cases
  5784. * is invalid:
  5785. * - FIRST_PHY means that second phy wasn't initialized,
  5786. * hence its link is expected to be down
  5787. * - SECOND_PHY means that first phy should not be able
  5788. * to link up by itself (using configuration)
  5789. * - DEFAULT should be overriden during initialiazation
  5790. */
  5791. DP(NETIF_MSG_LINK, "Invalid link indication"
  5792. "mpc=0x%x. DISABLING LINK !!!\n",
  5793. params->multi_phy_config);
  5794. ext_phy_link_up = 0;
  5795. break;
  5796. }
  5797. }
  5798. }
  5799. prev_line_speed = vars->line_speed;
  5800. /* Step 2:
  5801. * Read the status of the internal phy. In case of
  5802. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5803. * otherwise this is the link between the 577xx and the first
  5804. * external phy
  5805. */
  5806. if (params->phy[INT_PHY].read_status)
  5807. params->phy[INT_PHY].read_status(
  5808. &params->phy[INT_PHY],
  5809. params, vars);
  5810. /* The INT_PHY flow control reside in the vars. This include the
  5811. * case where the speed or flow control are not set to AUTO.
  5812. * Otherwise, the active external phy flow control result is set
  5813. * to the vars. The ext_phy_line_speed is needed to check if the
  5814. * speed is different between the internal phy and external phy.
  5815. * This case may be result of intermediate link speed change.
  5816. */
  5817. if (active_external_phy > INT_PHY) {
  5818. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5819. /* Link speed is taken from the XGXS. AN and FC result from
  5820. * the external phy.
  5821. */
  5822. vars->link_status |= phy_vars[active_external_phy].link_status;
  5823. /* if active_external_phy is first PHY and link is up - disable
  5824. * disable TX on second external PHY
  5825. */
  5826. if (active_external_phy == EXT_PHY1) {
  5827. if (params->phy[EXT_PHY2].phy_specific_func) {
  5828. DP(NETIF_MSG_LINK,
  5829. "Disabling TX on EXT_PHY2\n");
  5830. params->phy[EXT_PHY2].phy_specific_func(
  5831. &params->phy[EXT_PHY2],
  5832. params, DISABLE_TX);
  5833. }
  5834. }
  5835. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5836. vars->duplex = phy_vars[active_external_phy].duplex;
  5837. if (params->phy[active_external_phy].supported &
  5838. SUPPORTED_FIBRE)
  5839. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5840. else
  5841. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5842. vars->eee_status = phy_vars[active_external_phy].eee_status;
  5843. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5844. active_external_phy);
  5845. }
  5846. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5847. phy_index++) {
  5848. if (params->phy[phy_index].flags &
  5849. FLAGS_REARM_LATCH_SIGNAL) {
  5850. bnx2x_rearm_latch_signal(bp, port,
  5851. phy_index ==
  5852. active_external_phy);
  5853. break;
  5854. }
  5855. }
  5856. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5857. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5858. vars->link_status, ext_phy_line_speed);
  5859. /* Upon link speed change set the NIG into drain mode. Comes to
  5860. * deals with possible FIFO glitch due to clk change when speed
  5861. * is decreased without link down indicator
  5862. */
  5863. if (vars->phy_link_up) {
  5864. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5865. (ext_phy_line_speed != vars->line_speed)) {
  5866. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5867. " different than the external"
  5868. " link speed %d\n", vars->line_speed,
  5869. ext_phy_line_speed);
  5870. vars->phy_link_up = 0;
  5871. } else if (prev_line_speed != vars->line_speed) {
  5872. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5873. 0);
  5874. usleep_range(1000, 2000);
  5875. }
  5876. }
  5877. /* Anything 10 and over uses the bmac */
  5878. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5879. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5880. /* In case external phy link is up, and internal link is down
  5881. * (not initialized yet probably after link initialization, it
  5882. * needs to be initialized.
  5883. * Note that after link down-up as result of cable plug, the xgxs
  5884. * link would probably become up again without the need
  5885. * initialize it
  5886. */
  5887. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5888. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5889. " init_preceding = %d\n", ext_phy_link_up,
  5890. vars->phy_link_up,
  5891. params->phy[EXT_PHY1].flags &
  5892. FLAGS_INIT_XGXS_FIRST);
  5893. if (!(params->phy[EXT_PHY1].flags &
  5894. FLAGS_INIT_XGXS_FIRST)
  5895. && ext_phy_link_up && !vars->phy_link_up) {
  5896. vars->line_speed = ext_phy_line_speed;
  5897. if (vars->line_speed < SPEED_1000)
  5898. vars->phy_flags |= PHY_SGMII_FLAG;
  5899. else
  5900. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5901. if (params->phy[INT_PHY].config_init)
  5902. params->phy[INT_PHY].config_init(
  5903. &params->phy[INT_PHY], params,
  5904. vars);
  5905. }
  5906. }
  5907. /* Link is up only if both local phy and external phy (in case of
  5908. * non-direct board) are up and no fault detected on active PHY.
  5909. */
  5910. vars->link_up = (vars->phy_link_up &&
  5911. (ext_phy_link_up ||
  5912. SINGLE_MEDIA_DIRECT(params)) &&
  5913. (phy_vars[active_external_phy].fault_detected == 0));
  5914. /* Update the PFC configuration in case it was changed */
  5915. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  5916. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  5917. else
  5918. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  5919. if (vars->link_up)
  5920. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5921. else
  5922. rc = bnx2x_update_link_down(params, vars);
  5923. /* Update MCP link status was changed */
  5924. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  5925. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  5926. return rc;
  5927. }
  5928. /*****************************************************************************/
  5929. /* External Phy section */
  5930. /*****************************************************************************/
  5931. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5932. {
  5933. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5934. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  5935. usleep_range(1000, 2000);
  5936. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5937. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  5938. }
  5939. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  5940. u32 spirom_ver, u32 ver_addr)
  5941. {
  5942. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  5943. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  5944. if (ver_addr)
  5945. REG_WR(bp, ver_addr, spirom_ver);
  5946. }
  5947. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  5948. struct bnx2x_phy *phy,
  5949. u8 port)
  5950. {
  5951. u16 fw_ver1, fw_ver2;
  5952. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5953. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  5954. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  5955. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  5956. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  5957. phy->ver_addr);
  5958. }
  5959. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  5960. struct bnx2x_phy *phy,
  5961. struct link_vars *vars)
  5962. {
  5963. u16 val;
  5964. bnx2x_cl45_read(bp, phy,
  5965. MDIO_AN_DEVAD,
  5966. MDIO_AN_REG_STATUS, &val);
  5967. bnx2x_cl45_read(bp, phy,
  5968. MDIO_AN_DEVAD,
  5969. MDIO_AN_REG_STATUS, &val);
  5970. if (val & (1<<5))
  5971. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  5972. if ((val & (1<<0)) == 0)
  5973. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  5974. }
  5975. /******************************************************************/
  5976. /* common BCM8073/BCM8727 PHY SECTION */
  5977. /******************************************************************/
  5978. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  5979. struct link_params *params,
  5980. struct link_vars *vars)
  5981. {
  5982. struct bnx2x *bp = params->bp;
  5983. if (phy->req_line_speed == SPEED_10 ||
  5984. phy->req_line_speed == SPEED_100) {
  5985. vars->flow_ctrl = phy->req_flow_ctrl;
  5986. return;
  5987. }
  5988. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  5989. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  5990. u16 pause_result;
  5991. u16 ld_pause; /* local */
  5992. u16 lp_pause; /* link partner */
  5993. bnx2x_cl45_read(bp, phy,
  5994. MDIO_AN_DEVAD,
  5995. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  5996. bnx2x_cl45_read(bp, phy,
  5997. MDIO_AN_DEVAD,
  5998. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  5999. pause_result = (ld_pause &
  6000. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6001. pause_result |= (lp_pause &
  6002. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6003. bnx2x_pause_resolve(vars, pause_result);
  6004. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6005. pause_result);
  6006. }
  6007. }
  6008. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6009. struct bnx2x_phy *phy,
  6010. u8 port)
  6011. {
  6012. u32 count = 0;
  6013. u16 fw_ver1, fw_msgout;
  6014. int rc = 0;
  6015. /* Boot port from external ROM */
  6016. /* EDC grst */
  6017. bnx2x_cl45_write(bp, phy,
  6018. MDIO_PMA_DEVAD,
  6019. MDIO_PMA_REG_GEN_CTRL,
  6020. 0x0001);
  6021. /* Ucode reboot and rst */
  6022. bnx2x_cl45_write(bp, phy,
  6023. MDIO_PMA_DEVAD,
  6024. MDIO_PMA_REG_GEN_CTRL,
  6025. 0x008c);
  6026. bnx2x_cl45_write(bp, phy,
  6027. MDIO_PMA_DEVAD,
  6028. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6029. /* Reset internal microprocessor */
  6030. bnx2x_cl45_write(bp, phy,
  6031. MDIO_PMA_DEVAD,
  6032. MDIO_PMA_REG_GEN_CTRL,
  6033. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6034. /* Release srst bit */
  6035. bnx2x_cl45_write(bp, phy,
  6036. MDIO_PMA_DEVAD,
  6037. MDIO_PMA_REG_GEN_CTRL,
  6038. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6039. /* Delay 100ms per the PHY specifications */
  6040. msleep(100);
  6041. /* 8073 sometimes taking longer to download */
  6042. do {
  6043. count++;
  6044. if (count > 300) {
  6045. DP(NETIF_MSG_LINK,
  6046. "bnx2x_8073_8727_external_rom_boot port %x:"
  6047. "Download failed. fw version = 0x%x\n",
  6048. port, fw_ver1);
  6049. rc = -EINVAL;
  6050. break;
  6051. }
  6052. bnx2x_cl45_read(bp, phy,
  6053. MDIO_PMA_DEVAD,
  6054. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6055. bnx2x_cl45_read(bp, phy,
  6056. MDIO_PMA_DEVAD,
  6057. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6058. usleep_range(1000, 2000);
  6059. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6060. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6061. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6062. /* Clear ser_boot_ctl bit */
  6063. bnx2x_cl45_write(bp, phy,
  6064. MDIO_PMA_DEVAD,
  6065. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6066. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6067. DP(NETIF_MSG_LINK,
  6068. "bnx2x_8073_8727_external_rom_boot port %x:"
  6069. "Download complete. fw version = 0x%x\n",
  6070. port, fw_ver1);
  6071. return rc;
  6072. }
  6073. /******************************************************************/
  6074. /* BCM8073 PHY SECTION */
  6075. /******************************************************************/
  6076. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6077. {
  6078. /* This is only required for 8073A1, version 102 only */
  6079. u16 val;
  6080. /* Read 8073 HW revision*/
  6081. bnx2x_cl45_read(bp, phy,
  6082. MDIO_PMA_DEVAD,
  6083. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6084. if (val != 1) {
  6085. /* No need to workaround in 8073 A1 */
  6086. return 0;
  6087. }
  6088. bnx2x_cl45_read(bp, phy,
  6089. MDIO_PMA_DEVAD,
  6090. MDIO_PMA_REG_ROM_VER2, &val);
  6091. /* SNR should be applied only for version 0x102 */
  6092. if (val != 0x102)
  6093. return 0;
  6094. return 1;
  6095. }
  6096. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6097. {
  6098. u16 val, cnt, cnt1 ;
  6099. bnx2x_cl45_read(bp, phy,
  6100. MDIO_PMA_DEVAD,
  6101. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6102. if (val > 0) {
  6103. /* No need to workaround in 8073 A1 */
  6104. return 0;
  6105. }
  6106. /* XAUI workaround in 8073 A0: */
  6107. /* After loading the boot ROM and restarting Autoneg, poll
  6108. * Dev1, Reg $C820:
  6109. */
  6110. for (cnt = 0; cnt < 1000; cnt++) {
  6111. bnx2x_cl45_read(bp, phy,
  6112. MDIO_PMA_DEVAD,
  6113. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6114. &val);
  6115. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6116. * system initialization (XAUI work-around not required, as
  6117. * these bits indicate 2.5G or 1G link up).
  6118. */
  6119. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6120. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6121. return 0;
  6122. } else if (!(val & (1<<15))) {
  6123. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6124. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6125. * MSB (bit15) goes to 1 (indicating that the XAUI
  6126. * workaround has completed), then continue on with
  6127. * system initialization.
  6128. */
  6129. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6130. bnx2x_cl45_read(bp, phy,
  6131. MDIO_PMA_DEVAD,
  6132. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6133. if (val & (1<<15)) {
  6134. DP(NETIF_MSG_LINK,
  6135. "XAUI workaround has completed\n");
  6136. return 0;
  6137. }
  6138. usleep_range(3000, 6000);
  6139. }
  6140. break;
  6141. }
  6142. usleep_range(3000, 6000);
  6143. }
  6144. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6145. return -EINVAL;
  6146. }
  6147. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6148. {
  6149. /* Force KR or KX */
  6150. bnx2x_cl45_write(bp, phy,
  6151. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6152. bnx2x_cl45_write(bp, phy,
  6153. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6154. bnx2x_cl45_write(bp, phy,
  6155. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6156. bnx2x_cl45_write(bp, phy,
  6157. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6158. }
  6159. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6160. struct bnx2x_phy *phy,
  6161. struct link_vars *vars)
  6162. {
  6163. u16 cl37_val;
  6164. struct bnx2x *bp = params->bp;
  6165. bnx2x_cl45_read(bp, phy,
  6166. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6167. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6168. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6169. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6170. if ((vars->ieee_fc &
  6171. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6172. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6173. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6174. }
  6175. if ((vars->ieee_fc &
  6176. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6177. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6178. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6179. }
  6180. if ((vars->ieee_fc &
  6181. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6182. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6183. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6184. }
  6185. DP(NETIF_MSG_LINK,
  6186. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6187. bnx2x_cl45_write(bp, phy,
  6188. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6189. msleep(500);
  6190. }
  6191. static void bnx2x_8073_specific_func(struct bnx2x_phy *phy,
  6192. struct link_params *params,
  6193. u32 action)
  6194. {
  6195. struct bnx2x *bp = params->bp;
  6196. switch (action) {
  6197. case PHY_INIT:
  6198. /* Enable LASI */
  6199. bnx2x_cl45_write(bp, phy,
  6200. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6201. bnx2x_cl45_write(bp, phy,
  6202. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6203. break;
  6204. }
  6205. }
  6206. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6207. struct link_params *params,
  6208. struct link_vars *vars)
  6209. {
  6210. struct bnx2x *bp = params->bp;
  6211. u16 val = 0, tmp1;
  6212. u8 gpio_port;
  6213. DP(NETIF_MSG_LINK, "Init 8073\n");
  6214. if (CHIP_IS_E2(bp))
  6215. gpio_port = BP_PATH(bp);
  6216. else
  6217. gpio_port = params->port;
  6218. /* Restore normal power mode*/
  6219. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6220. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6221. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6222. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6223. bnx2x_8073_specific_func(phy, params, PHY_INIT);
  6224. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6225. bnx2x_cl45_read(bp, phy,
  6226. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6227. bnx2x_cl45_read(bp, phy,
  6228. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6229. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6230. /* Swap polarity if required - Must be done only in non-1G mode */
  6231. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6232. /* Configure the 8073 to swap _P and _N of the KR lines */
  6233. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6234. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6235. bnx2x_cl45_read(bp, phy,
  6236. MDIO_PMA_DEVAD,
  6237. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6238. bnx2x_cl45_write(bp, phy,
  6239. MDIO_PMA_DEVAD,
  6240. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6241. (val | (3<<9)));
  6242. }
  6243. /* Enable CL37 BAM */
  6244. if (REG_RD(bp, params->shmem_base +
  6245. offsetof(struct shmem_region, dev_info.
  6246. port_hw_config[params->port].default_cfg)) &
  6247. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6248. bnx2x_cl45_read(bp, phy,
  6249. MDIO_AN_DEVAD,
  6250. MDIO_AN_REG_8073_BAM, &val);
  6251. bnx2x_cl45_write(bp, phy,
  6252. MDIO_AN_DEVAD,
  6253. MDIO_AN_REG_8073_BAM, val | 1);
  6254. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6255. }
  6256. if (params->loopback_mode == LOOPBACK_EXT) {
  6257. bnx2x_807x_force_10G(bp, phy);
  6258. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6259. return 0;
  6260. } else {
  6261. bnx2x_cl45_write(bp, phy,
  6262. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6263. }
  6264. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6265. if (phy->req_line_speed == SPEED_10000) {
  6266. val = (1<<7);
  6267. } else if (phy->req_line_speed == SPEED_2500) {
  6268. val = (1<<5);
  6269. /* Note that 2.5G works only when used with 1G
  6270. * advertisement
  6271. */
  6272. } else
  6273. val = (1<<5);
  6274. } else {
  6275. val = 0;
  6276. if (phy->speed_cap_mask &
  6277. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6278. val |= (1<<7);
  6279. /* Note that 2.5G works only when used with 1G advertisement */
  6280. if (phy->speed_cap_mask &
  6281. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6282. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6283. val |= (1<<5);
  6284. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6285. }
  6286. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6287. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6288. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6289. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6290. (phy->req_line_speed == SPEED_2500)) {
  6291. u16 phy_ver;
  6292. /* Allow 2.5G for A1 and above */
  6293. bnx2x_cl45_read(bp, phy,
  6294. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6295. &phy_ver);
  6296. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6297. if (phy_ver > 0)
  6298. tmp1 |= 1;
  6299. else
  6300. tmp1 &= 0xfffe;
  6301. } else {
  6302. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6303. tmp1 &= 0xfffe;
  6304. }
  6305. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6306. /* Add support for CL37 (passive mode) II */
  6307. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6308. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6309. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6310. 0x20 : 0x40)));
  6311. /* Add support for CL37 (passive mode) III */
  6312. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6313. /* The SNR will improve about 2db by changing BW and FEE main
  6314. * tap. Rest commands are executed after link is up
  6315. * Change FFE main cursor to 5 in EDC register
  6316. */
  6317. if (bnx2x_8073_is_snr_needed(bp, phy))
  6318. bnx2x_cl45_write(bp, phy,
  6319. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6320. 0xFB0C);
  6321. /* Enable FEC (Forware Error Correction) Request in the AN */
  6322. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6323. tmp1 |= (1<<15);
  6324. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6325. bnx2x_ext_phy_set_pause(params, phy, vars);
  6326. /* Restart autoneg */
  6327. msleep(500);
  6328. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6329. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6330. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6331. return 0;
  6332. }
  6333. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6334. struct link_params *params,
  6335. struct link_vars *vars)
  6336. {
  6337. struct bnx2x *bp = params->bp;
  6338. u8 link_up = 0;
  6339. u16 val1, val2;
  6340. u16 link_status = 0;
  6341. u16 an1000_status = 0;
  6342. bnx2x_cl45_read(bp, phy,
  6343. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6344. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6345. /* Clear the interrupt LASI status register */
  6346. bnx2x_cl45_read(bp, phy,
  6347. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6348. bnx2x_cl45_read(bp, phy,
  6349. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6350. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6351. /* Clear MSG-OUT */
  6352. bnx2x_cl45_read(bp, phy,
  6353. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6354. /* Check the LASI */
  6355. bnx2x_cl45_read(bp, phy,
  6356. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6357. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6358. /* Check the link status */
  6359. bnx2x_cl45_read(bp, phy,
  6360. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6361. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6362. bnx2x_cl45_read(bp, phy,
  6363. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6364. bnx2x_cl45_read(bp, phy,
  6365. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6366. link_up = ((val1 & 4) == 4);
  6367. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6368. if (link_up &&
  6369. ((phy->req_line_speed != SPEED_10000))) {
  6370. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6371. return 0;
  6372. }
  6373. bnx2x_cl45_read(bp, phy,
  6374. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6375. bnx2x_cl45_read(bp, phy,
  6376. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6377. /* Check the link status on 1.1.2 */
  6378. bnx2x_cl45_read(bp, phy,
  6379. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6380. bnx2x_cl45_read(bp, phy,
  6381. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6382. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6383. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6384. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6385. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6386. /* The SNR will improve about 2dbby changing the BW and FEE main
  6387. * tap. The 1st write to change FFE main tap is set before
  6388. * restart AN. Change PLL Bandwidth in EDC register
  6389. */
  6390. bnx2x_cl45_write(bp, phy,
  6391. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6392. 0x26BC);
  6393. /* Change CDR Bandwidth in EDC register */
  6394. bnx2x_cl45_write(bp, phy,
  6395. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6396. 0x0333);
  6397. }
  6398. bnx2x_cl45_read(bp, phy,
  6399. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6400. &link_status);
  6401. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6402. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6403. link_up = 1;
  6404. vars->line_speed = SPEED_10000;
  6405. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6406. params->port);
  6407. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6408. link_up = 1;
  6409. vars->line_speed = SPEED_2500;
  6410. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6411. params->port);
  6412. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6413. link_up = 1;
  6414. vars->line_speed = SPEED_1000;
  6415. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6416. params->port);
  6417. } else {
  6418. link_up = 0;
  6419. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6420. params->port);
  6421. }
  6422. if (link_up) {
  6423. /* Swap polarity if required */
  6424. if (params->lane_config &
  6425. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6426. /* Configure the 8073 to swap P and N of the KR lines */
  6427. bnx2x_cl45_read(bp, phy,
  6428. MDIO_XS_DEVAD,
  6429. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6430. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6431. * when it`s in 10G mode.
  6432. */
  6433. if (vars->line_speed == SPEED_1000) {
  6434. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6435. "the 8073\n");
  6436. val1 |= (1<<3);
  6437. } else
  6438. val1 &= ~(1<<3);
  6439. bnx2x_cl45_write(bp, phy,
  6440. MDIO_XS_DEVAD,
  6441. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6442. val1);
  6443. }
  6444. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6445. bnx2x_8073_resolve_fc(phy, params, vars);
  6446. vars->duplex = DUPLEX_FULL;
  6447. }
  6448. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6449. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6450. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6451. if (val1 & (1<<5))
  6452. vars->link_status |=
  6453. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6454. if (val1 & (1<<7))
  6455. vars->link_status |=
  6456. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6457. }
  6458. return link_up;
  6459. }
  6460. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6461. struct link_params *params)
  6462. {
  6463. struct bnx2x *bp = params->bp;
  6464. u8 gpio_port;
  6465. if (CHIP_IS_E2(bp))
  6466. gpio_port = BP_PATH(bp);
  6467. else
  6468. gpio_port = params->port;
  6469. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6470. gpio_port);
  6471. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6472. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6473. gpio_port);
  6474. }
  6475. /******************************************************************/
  6476. /* BCM8705 PHY SECTION */
  6477. /******************************************************************/
  6478. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6479. struct link_params *params,
  6480. struct link_vars *vars)
  6481. {
  6482. struct bnx2x *bp = params->bp;
  6483. DP(NETIF_MSG_LINK, "init 8705\n");
  6484. /* Restore normal power mode*/
  6485. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6486. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6487. /* HW reset */
  6488. bnx2x_ext_phy_hw_reset(bp, params->port);
  6489. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6490. bnx2x_wait_reset_complete(bp, phy, params);
  6491. bnx2x_cl45_write(bp, phy,
  6492. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6493. bnx2x_cl45_write(bp, phy,
  6494. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6495. bnx2x_cl45_write(bp, phy,
  6496. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6497. bnx2x_cl45_write(bp, phy,
  6498. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6499. /* BCM8705 doesn't have microcode, hence the 0 */
  6500. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6501. return 0;
  6502. }
  6503. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6504. struct link_params *params,
  6505. struct link_vars *vars)
  6506. {
  6507. u8 link_up = 0;
  6508. u16 val1, rx_sd;
  6509. struct bnx2x *bp = params->bp;
  6510. DP(NETIF_MSG_LINK, "read status 8705\n");
  6511. bnx2x_cl45_read(bp, phy,
  6512. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6513. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6514. bnx2x_cl45_read(bp, phy,
  6515. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6516. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6517. bnx2x_cl45_read(bp, phy,
  6518. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6519. bnx2x_cl45_read(bp, phy,
  6520. MDIO_PMA_DEVAD, 0xc809, &val1);
  6521. bnx2x_cl45_read(bp, phy,
  6522. MDIO_PMA_DEVAD, 0xc809, &val1);
  6523. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6524. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6525. if (link_up) {
  6526. vars->line_speed = SPEED_10000;
  6527. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6528. }
  6529. return link_up;
  6530. }
  6531. /******************************************************************/
  6532. /* SFP+ module Section */
  6533. /******************************************************************/
  6534. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6535. struct bnx2x_phy *phy,
  6536. u8 pmd_dis)
  6537. {
  6538. struct bnx2x *bp = params->bp;
  6539. /* Disable transmitter only for bootcodes which can enable it afterwards
  6540. * (for D3 link)
  6541. */
  6542. if (pmd_dis) {
  6543. if (params->feature_config_flags &
  6544. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6545. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6546. else {
  6547. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6548. return;
  6549. }
  6550. } else
  6551. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6552. bnx2x_cl45_write(bp, phy,
  6553. MDIO_PMA_DEVAD,
  6554. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6555. }
  6556. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6557. {
  6558. u8 gpio_port;
  6559. u32 swap_val, swap_override;
  6560. struct bnx2x *bp = params->bp;
  6561. if (CHIP_IS_E2(bp))
  6562. gpio_port = BP_PATH(bp);
  6563. else
  6564. gpio_port = params->port;
  6565. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6566. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6567. return gpio_port ^ (swap_val && swap_override);
  6568. }
  6569. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6570. struct bnx2x_phy *phy,
  6571. u8 tx_en)
  6572. {
  6573. u16 val;
  6574. u8 port = params->port;
  6575. struct bnx2x *bp = params->bp;
  6576. u32 tx_en_mode;
  6577. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6578. tx_en_mode = REG_RD(bp, params->shmem_base +
  6579. offsetof(struct shmem_region,
  6580. dev_info.port_hw_config[port].sfp_ctrl)) &
  6581. PORT_HW_CFG_TX_LASER_MASK;
  6582. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6583. "mode = %x\n", tx_en, port, tx_en_mode);
  6584. switch (tx_en_mode) {
  6585. case PORT_HW_CFG_TX_LASER_MDIO:
  6586. bnx2x_cl45_read(bp, phy,
  6587. MDIO_PMA_DEVAD,
  6588. MDIO_PMA_REG_PHY_IDENTIFIER,
  6589. &val);
  6590. if (tx_en)
  6591. val &= ~(1<<15);
  6592. else
  6593. val |= (1<<15);
  6594. bnx2x_cl45_write(bp, phy,
  6595. MDIO_PMA_DEVAD,
  6596. MDIO_PMA_REG_PHY_IDENTIFIER,
  6597. val);
  6598. break;
  6599. case PORT_HW_CFG_TX_LASER_GPIO0:
  6600. case PORT_HW_CFG_TX_LASER_GPIO1:
  6601. case PORT_HW_CFG_TX_LASER_GPIO2:
  6602. case PORT_HW_CFG_TX_LASER_GPIO3:
  6603. {
  6604. u16 gpio_pin;
  6605. u8 gpio_port, gpio_mode;
  6606. if (tx_en)
  6607. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6608. else
  6609. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6610. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6611. gpio_port = bnx2x_get_gpio_port(params);
  6612. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6613. break;
  6614. }
  6615. default:
  6616. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6617. break;
  6618. }
  6619. }
  6620. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6621. struct bnx2x_phy *phy,
  6622. u8 tx_en)
  6623. {
  6624. struct bnx2x *bp = params->bp;
  6625. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6626. if (CHIP_IS_E3(bp))
  6627. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6628. else
  6629. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6630. }
  6631. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6632. struct link_params *params,
  6633. u16 addr, u8 byte_cnt, u8 *o_buf)
  6634. {
  6635. struct bnx2x *bp = params->bp;
  6636. u16 val = 0;
  6637. u16 i;
  6638. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6639. DP(NETIF_MSG_LINK,
  6640. "Reading from eeprom is limited to 0xf\n");
  6641. return -EINVAL;
  6642. }
  6643. /* Set the read command byte count */
  6644. bnx2x_cl45_write(bp, phy,
  6645. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6646. (byte_cnt | 0xa000));
  6647. /* Set the read command address */
  6648. bnx2x_cl45_write(bp, phy,
  6649. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6650. addr);
  6651. /* Activate read command */
  6652. bnx2x_cl45_write(bp, phy,
  6653. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6654. 0x2c0f);
  6655. /* Wait up to 500us for command complete status */
  6656. for (i = 0; i < 100; i++) {
  6657. bnx2x_cl45_read(bp, phy,
  6658. MDIO_PMA_DEVAD,
  6659. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6660. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6661. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6662. break;
  6663. udelay(5);
  6664. }
  6665. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6666. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6667. DP(NETIF_MSG_LINK,
  6668. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6669. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6670. return -EINVAL;
  6671. }
  6672. /* Read the buffer */
  6673. for (i = 0; i < byte_cnt; i++) {
  6674. bnx2x_cl45_read(bp, phy,
  6675. MDIO_PMA_DEVAD,
  6676. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6677. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6678. }
  6679. for (i = 0; i < 100; i++) {
  6680. bnx2x_cl45_read(bp, phy,
  6681. MDIO_PMA_DEVAD,
  6682. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6683. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6684. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6685. return 0;
  6686. usleep_range(1000, 2000);
  6687. }
  6688. return -EINVAL;
  6689. }
  6690. static void bnx2x_warpcore_power_module(struct link_params *params,
  6691. struct bnx2x_phy *phy,
  6692. u8 power)
  6693. {
  6694. u32 pin_cfg;
  6695. struct bnx2x *bp = params->bp;
  6696. pin_cfg = (REG_RD(bp, params->shmem_base +
  6697. offsetof(struct shmem_region,
  6698. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  6699. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  6700. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  6701. if (pin_cfg == PIN_CFG_NA)
  6702. return;
  6703. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  6704. power, pin_cfg);
  6705. /* Low ==> corresponding SFP+ module is powered
  6706. * high ==> the SFP+ module is powered down
  6707. */
  6708. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  6709. }
  6710. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6711. struct link_params *params,
  6712. u16 addr, u8 byte_cnt,
  6713. u8 *o_buf, u8 is_init)
  6714. {
  6715. int rc = 0;
  6716. u8 i, j = 0, cnt = 0;
  6717. u32 data_array[4];
  6718. u16 addr32;
  6719. struct bnx2x *bp = params->bp;
  6720. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6721. DP(NETIF_MSG_LINK,
  6722. "Reading from eeprom is limited to 16 bytes\n");
  6723. return -EINVAL;
  6724. }
  6725. /* 4 byte aligned address */
  6726. addr32 = addr & (~0x3);
  6727. do {
  6728. if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) {
  6729. bnx2x_warpcore_power_module(params, phy, 0);
  6730. /* Note that 100us are not enough here */
  6731. usleep_range(1000, 2000);
  6732. bnx2x_warpcore_power_module(params, phy, 1);
  6733. }
  6734. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6735. data_array);
  6736. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6737. if (rc == 0) {
  6738. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6739. o_buf[j] = *((u8 *)data_array + i);
  6740. j++;
  6741. }
  6742. }
  6743. return rc;
  6744. }
  6745. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6746. struct link_params *params,
  6747. u16 addr, u8 byte_cnt, u8 *o_buf)
  6748. {
  6749. struct bnx2x *bp = params->bp;
  6750. u16 val, i;
  6751. if (byte_cnt > SFP_EEPROM_PAGE_SIZE) {
  6752. DP(NETIF_MSG_LINK,
  6753. "Reading from eeprom is limited to 0xf\n");
  6754. return -EINVAL;
  6755. }
  6756. /* Need to read from 1.8000 to clear it */
  6757. bnx2x_cl45_read(bp, phy,
  6758. MDIO_PMA_DEVAD,
  6759. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6760. &val);
  6761. /* Set the read command byte count */
  6762. bnx2x_cl45_write(bp, phy,
  6763. MDIO_PMA_DEVAD,
  6764. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6765. ((byte_cnt < 2) ? 2 : byte_cnt));
  6766. /* Set the read command address */
  6767. bnx2x_cl45_write(bp, phy,
  6768. MDIO_PMA_DEVAD,
  6769. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6770. addr);
  6771. /* Set the destination address */
  6772. bnx2x_cl45_write(bp, phy,
  6773. MDIO_PMA_DEVAD,
  6774. 0x8004,
  6775. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6776. /* Activate read command */
  6777. bnx2x_cl45_write(bp, phy,
  6778. MDIO_PMA_DEVAD,
  6779. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6780. 0x8002);
  6781. /* Wait appropriate time for two-wire command to finish before
  6782. * polling the status register
  6783. */
  6784. usleep_range(1000, 2000);
  6785. /* Wait up to 500us for command complete status */
  6786. for (i = 0; i < 100; i++) {
  6787. bnx2x_cl45_read(bp, phy,
  6788. MDIO_PMA_DEVAD,
  6789. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6790. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6791. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6792. break;
  6793. udelay(5);
  6794. }
  6795. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6796. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6797. DP(NETIF_MSG_LINK,
  6798. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6799. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6800. return -EFAULT;
  6801. }
  6802. /* Read the buffer */
  6803. for (i = 0; i < byte_cnt; i++) {
  6804. bnx2x_cl45_read(bp, phy,
  6805. MDIO_PMA_DEVAD,
  6806. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6807. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6808. }
  6809. for (i = 0; i < 100; i++) {
  6810. bnx2x_cl45_read(bp, phy,
  6811. MDIO_PMA_DEVAD,
  6812. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6813. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6814. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6815. return 0;
  6816. usleep_range(1000, 2000);
  6817. }
  6818. return -EINVAL;
  6819. }
  6820. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6821. struct link_params *params, u16 addr,
  6822. u8 byte_cnt, u8 *o_buf)
  6823. {
  6824. int rc = -EOPNOTSUPP;
  6825. switch (phy->type) {
  6826. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6827. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6828. byte_cnt, o_buf);
  6829. break;
  6830. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6831. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6832. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6833. byte_cnt, o_buf);
  6834. break;
  6835. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6836. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6837. byte_cnt, o_buf, 0);
  6838. break;
  6839. }
  6840. return rc;
  6841. }
  6842. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6843. struct link_params *params,
  6844. u16 *edc_mode)
  6845. {
  6846. struct bnx2x *bp = params->bp;
  6847. u32 sync_offset = 0, phy_idx, media_types;
  6848. u8 val[2], check_limiting_mode = 0;
  6849. *edc_mode = EDC_MODE_LIMITING;
  6850. phy->media_type = ETH_PHY_UNSPECIFIED;
  6851. /* First check for copper cable */
  6852. if (bnx2x_read_sfp_module_eeprom(phy,
  6853. params,
  6854. SFP_EEPROM_CON_TYPE_ADDR,
  6855. 2,
  6856. (u8 *)val) != 0) {
  6857. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6858. return -EINVAL;
  6859. }
  6860. switch (val[0]) {
  6861. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6862. {
  6863. u8 copper_module_type;
  6864. phy->media_type = ETH_PHY_DA_TWINAX;
  6865. /* Check if its active cable (includes SFP+ module)
  6866. * of passive cable
  6867. */
  6868. if (bnx2x_read_sfp_module_eeprom(phy,
  6869. params,
  6870. SFP_EEPROM_FC_TX_TECH_ADDR,
  6871. 1,
  6872. &copper_module_type) != 0) {
  6873. DP(NETIF_MSG_LINK,
  6874. "Failed to read copper-cable-type"
  6875. " from SFP+ EEPROM\n");
  6876. return -EINVAL;
  6877. }
  6878. if (copper_module_type &
  6879. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6880. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6881. check_limiting_mode = 1;
  6882. } else if (copper_module_type &
  6883. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6884. DP(NETIF_MSG_LINK,
  6885. "Passive Copper cable detected\n");
  6886. *edc_mode =
  6887. EDC_MODE_PASSIVE_DAC;
  6888. } else {
  6889. DP(NETIF_MSG_LINK,
  6890. "Unknown copper-cable-type 0x%x !!!\n",
  6891. copper_module_type);
  6892. return -EINVAL;
  6893. }
  6894. break;
  6895. }
  6896. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6897. check_limiting_mode = 1;
  6898. if ((val[1] & (SFP_EEPROM_COMP_CODE_SR_MASK |
  6899. SFP_EEPROM_COMP_CODE_LR_MASK |
  6900. SFP_EEPROM_COMP_CODE_LRM_MASK)) == 0) {
  6901. DP(NETIF_MSG_LINK, "1G Optic module detected\n");
  6902. phy->media_type = ETH_PHY_SFP_1G_FIBER;
  6903. phy->req_line_speed = SPEED_1000;
  6904. } else {
  6905. int idx, cfg_idx = 0;
  6906. DP(NETIF_MSG_LINK, "10G Optic module detected\n");
  6907. for (idx = INT_PHY; idx < MAX_PHYS; idx++) {
  6908. if (params->phy[idx].type == phy->type) {
  6909. cfg_idx = LINK_CONFIG_IDX(idx);
  6910. break;
  6911. }
  6912. }
  6913. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  6914. phy->req_line_speed = params->req_line_speed[cfg_idx];
  6915. }
  6916. break;
  6917. default:
  6918. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6919. val[0]);
  6920. return -EINVAL;
  6921. }
  6922. sync_offset = params->shmem_base +
  6923. offsetof(struct shmem_region,
  6924. dev_info.port_hw_config[params->port].media_type);
  6925. media_types = REG_RD(bp, sync_offset);
  6926. /* Update media type for non-PMF sync */
  6927. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6928. if (&(params->phy[phy_idx]) == phy) {
  6929. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6930. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6931. media_types |= ((phy->media_type &
  6932. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6933. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6934. break;
  6935. }
  6936. }
  6937. REG_WR(bp, sync_offset, media_types);
  6938. if (check_limiting_mode) {
  6939. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6940. if (bnx2x_read_sfp_module_eeprom(phy,
  6941. params,
  6942. SFP_EEPROM_OPTIONS_ADDR,
  6943. SFP_EEPROM_OPTIONS_SIZE,
  6944. options) != 0) {
  6945. DP(NETIF_MSG_LINK,
  6946. "Failed to read Option field from module EEPROM\n");
  6947. return -EINVAL;
  6948. }
  6949. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6950. *edc_mode = EDC_MODE_LINEAR;
  6951. else
  6952. *edc_mode = EDC_MODE_LIMITING;
  6953. }
  6954. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6955. return 0;
  6956. }
  6957. /* This function read the relevant field from the module (SFP+), and verify it
  6958. * is compliant with this board
  6959. */
  6960. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6961. struct link_params *params)
  6962. {
  6963. struct bnx2x *bp = params->bp;
  6964. u32 val, cmd;
  6965. u32 fw_resp, fw_cmd_param;
  6966. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6967. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6968. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6969. val = REG_RD(bp, params->shmem_base +
  6970. offsetof(struct shmem_region, dev_info.
  6971. port_feature_config[params->port].config));
  6972. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6973. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6974. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6975. return 0;
  6976. }
  6977. if (params->feature_config_flags &
  6978. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6979. /* Use specific phy request */
  6980. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6981. } else if (params->feature_config_flags &
  6982. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6983. /* Use first phy request only in case of non-dual media*/
  6984. if (DUAL_MEDIA(params)) {
  6985. DP(NETIF_MSG_LINK,
  6986. "FW does not support OPT MDL verification\n");
  6987. return -EINVAL;
  6988. }
  6989. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  6990. } else {
  6991. /* No support in OPT MDL detection */
  6992. DP(NETIF_MSG_LINK,
  6993. "FW does not support OPT MDL verification\n");
  6994. return -EINVAL;
  6995. }
  6996. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  6997. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  6998. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  6999. DP(NETIF_MSG_LINK, "Approved module\n");
  7000. return 0;
  7001. }
  7002. /* Format the warning message */
  7003. if (bnx2x_read_sfp_module_eeprom(phy,
  7004. params,
  7005. SFP_EEPROM_VENDOR_NAME_ADDR,
  7006. SFP_EEPROM_VENDOR_NAME_SIZE,
  7007. (u8 *)vendor_name))
  7008. vendor_name[0] = '\0';
  7009. else
  7010. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7011. if (bnx2x_read_sfp_module_eeprom(phy,
  7012. params,
  7013. SFP_EEPROM_PART_NO_ADDR,
  7014. SFP_EEPROM_PART_NO_SIZE,
  7015. (u8 *)vendor_pn))
  7016. vendor_pn[0] = '\0';
  7017. else
  7018. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7019. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7020. " Port %d from %s part number %s\n",
  7021. params->port, vendor_name, vendor_pn);
  7022. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7023. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7024. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7025. return -EINVAL;
  7026. }
  7027. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7028. struct link_params *params)
  7029. {
  7030. u8 val;
  7031. int rc;
  7032. struct bnx2x *bp = params->bp;
  7033. u16 timeout;
  7034. /* Initialization time after hot-plug may take up to 300ms for
  7035. * some phys type ( e.g. JDSU )
  7036. */
  7037. for (timeout = 0; timeout < 60; timeout++) {
  7038. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  7039. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy,
  7040. params, 1,
  7041. 1, &val, 1);
  7042. else
  7043. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1,
  7044. &val);
  7045. if (rc == 0) {
  7046. DP(NETIF_MSG_LINK,
  7047. "SFP+ module initialization took %d ms\n",
  7048. timeout * 5);
  7049. return 0;
  7050. }
  7051. usleep_range(5000, 10000);
  7052. }
  7053. rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val);
  7054. return rc;
  7055. }
  7056. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7057. struct bnx2x_phy *phy,
  7058. u8 is_power_up) {
  7059. /* Make sure GPIOs are not using for LED mode */
  7060. u16 val;
  7061. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7062. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7063. * output
  7064. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7065. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7066. * where the 1st bit is the over-current(only input), and 2nd bit is
  7067. * for power( only output )
  7068. *
  7069. * In case of NOC feature is disabled and power is up, set GPIO control
  7070. * as input to enable listening of over-current indication
  7071. */
  7072. if (phy->flags & FLAGS_NOC)
  7073. return;
  7074. if (is_power_up)
  7075. val = (1<<4);
  7076. else
  7077. /* Set GPIO control to OUTPUT, and set the power bit
  7078. * to according to the is_power_up
  7079. */
  7080. val = (1<<1);
  7081. bnx2x_cl45_write(bp, phy,
  7082. MDIO_PMA_DEVAD,
  7083. MDIO_PMA_REG_8727_GPIO_CTRL,
  7084. val);
  7085. }
  7086. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7087. struct bnx2x_phy *phy,
  7088. u16 edc_mode)
  7089. {
  7090. u16 cur_limiting_mode;
  7091. bnx2x_cl45_read(bp, phy,
  7092. MDIO_PMA_DEVAD,
  7093. MDIO_PMA_REG_ROM_VER2,
  7094. &cur_limiting_mode);
  7095. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7096. cur_limiting_mode);
  7097. if (edc_mode == EDC_MODE_LIMITING) {
  7098. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7099. bnx2x_cl45_write(bp, phy,
  7100. MDIO_PMA_DEVAD,
  7101. MDIO_PMA_REG_ROM_VER2,
  7102. EDC_MODE_LIMITING);
  7103. } else { /* LRM mode ( default )*/
  7104. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7105. /* Changing to LRM mode takes quite few seconds. So do it only
  7106. * if current mode is limiting (default is LRM)
  7107. */
  7108. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7109. return 0;
  7110. bnx2x_cl45_write(bp, phy,
  7111. MDIO_PMA_DEVAD,
  7112. MDIO_PMA_REG_LRM_MODE,
  7113. 0);
  7114. bnx2x_cl45_write(bp, phy,
  7115. MDIO_PMA_DEVAD,
  7116. MDIO_PMA_REG_ROM_VER2,
  7117. 0x128);
  7118. bnx2x_cl45_write(bp, phy,
  7119. MDIO_PMA_DEVAD,
  7120. MDIO_PMA_REG_MISC_CTRL0,
  7121. 0x4008);
  7122. bnx2x_cl45_write(bp, phy,
  7123. MDIO_PMA_DEVAD,
  7124. MDIO_PMA_REG_LRM_MODE,
  7125. 0xaaaa);
  7126. }
  7127. return 0;
  7128. }
  7129. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7130. struct bnx2x_phy *phy,
  7131. u16 edc_mode)
  7132. {
  7133. u16 phy_identifier;
  7134. u16 rom_ver2_val;
  7135. bnx2x_cl45_read(bp, phy,
  7136. MDIO_PMA_DEVAD,
  7137. MDIO_PMA_REG_PHY_IDENTIFIER,
  7138. &phy_identifier);
  7139. bnx2x_cl45_write(bp, phy,
  7140. MDIO_PMA_DEVAD,
  7141. MDIO_PMA_REG_PHY_IDENTIFIER,
  7142. (phy_identifier & ~(1<<9)));
  7143. bnx2x_cl45_read(bp, phy,
  7144. MDIO_PMA_DEVAD,
  7145. MDIO_PMA_REG_ROM_VER2,
  7146. &rom_ver2_val);
  7147. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7148. bnx2x_cl45_write(bp, phy,
  7149. MDIO_PMA_DEVAD,
  7150. MDIO_PMA_REG_ROM_VER2,
  7151. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7152. bnx2x_cl45_write(bp, phy,
  7153. MDIO_PMA_DEVAD,
  7154. MDIO_PMA_REG_PHY_IDENTIFIER,
  7155. (phy_identifier | (1<<9)));
  7156. return 0;
  7157. }
  7158. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7159. struct link_params *params,
  7160. u32 action)
  7161. {
  7162. struct bnx2x *bp = params->bp;
  7163. u16 val;
  7164. switch (action) {
  7165. case DISABLE_TX:
  7166. bnx2x_sfp_set_transmitter(params, phy, 0);
  7167. break;
  7168. case ENABLE_TX:
  7169. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7170. bnx2x_sfp_set_transmitter(params, phy, 1);
  7171. break;
  7172. case PHY_INIT:
  7173. bnx2x_cl45_write(bp, phy,
  7174. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7175. (1<<2) | (1<<5));
  7176. bnx2x_cl45_write(bp, phy,
  7177. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7178. 0);
  7179. bnx2x_cl45_write(bp, phy,
  7180. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0006);
  7181. /* Make MOD_ABS give interrupt on change */
  7182. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7183. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7184. &val);
  7185. val |= (1<<12);
  7186. if (phy->flags & FLAGS_NOC)
  7187. val |= (3<<5);
  7188. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7189. * status which reflect SFP+ module over-current
  7190. */
  7191. if (!(phy->flags & FLAGS_NOC))
  7192. val &= 0xff8f; /* Reset bits 4-6 */
  7193. bnx2x_cl45_write(bp, phy,
  7194. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7195. val);
  7196. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7197. * to 100Khz since some DACs(direct attached cables) do
  7198. * not work at 400Khz.
  7199. */
  7200. bnx2x_cl45_write(bp, phy,
  7201. MDIO_PMA_DEVAD,
  7202. MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7203. 0xa001);
  7204. break;
  7205. default:
  7206. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7207. action);
  7208. return;
  7209. }
  7210. }
  7211. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7212. u8 gpio_mode)
  7213. {
  7214. struct bnx2x *bp = params->bp;
  7215. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7216. offsetof(struct shmem_region,
  7217. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7218. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7219. switch (fault_led_gpio) {
  7220. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7221. return;
  7222. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7223. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7224. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7225. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7226. {
  7227. u8 gpio_port = bnx2x_get_gpio_port(params);
  7228. u16 gpio_pin = fault_led_gpio -
  7229. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7230. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7231. "pin %x port %x mode %x\n",
  7232. gpio_pin, gpio_port, gpio_mode);
  7233. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7234. }
  7235. break;
  7236. default:
  7237. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7238. fault_led_gpio);
  7239. }
  7240. }
  7241. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7242. u8 gpio_mode)
  7243. {
  7244. u32 pin_cfg;
  7245. u8 port = params->port;
  7246. struct bnx2x *bp = params->bp;
  7247. pin_cfg = (REG_RD(bp, params->shmem_base +
  7248. offsetof(struct shmem_region,
  7249. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7250. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7251. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7252. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7253. gpio_mode, pin_cfg);
  7254. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7255. }
  7256. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7257. u8 gpio_mode)
  7258. {
  7259. struct bnx2x *bp = params->bp;
  7260. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7261. if (CHIP_IS_E3(bp)) {
  7262. /* Low ==> if SFP+ module is supported otherwise
  7263. * High ==> if SFP+ module is not on the approved vendor list
  7264. */
  7265. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7266. } else
  7267. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7268. }
  7269. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7270. struct link_params *params)
  7271. {
  7272. struct bnx2x *bp = params->bp;
  7273. bnx2x_warpcore_power_module(params, phy, 0);
  7274. /* Put Warpcore in low power mode */
  7275. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7276. /* Put LCPLL in low power mode */
  7277. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7278. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7279. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7280. }
  7281. static void bnx2x_power_sfp_module(struct link_params *params,
  7282. struct bnx2x_phy *phy,
  7283. u8 power)
  7284. {
  7285. struct bnx2x *bp = params->bp;
  7286. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7287. switch (phy->type) {
  7288. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7289. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7290. bnx2x_8727_power_module(params->bp, phy, power);
  7291. break;
  7292. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7293. bnx2x_warpcore_power_module(params, phy, power);
  7294. break;
  7295. default:
  7296. break;
  7297. }
  7298. }
  7299. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7300. struct bnx2x_phy *phy,
  7301. u16 edc_mode)
  7302. {
  7303. u16 val = 0;
  7304. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7305. struct bnx2x *bp = params->bp;
  7306. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7307. /* This is a global register which controls all lanes */
  7308. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7309. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7310. val &= ~(0xf << (lane << 2));
  7311. switch (edc_mode) {
  7312. case EDC_MODE_LINEAR:
  7313. case EDC_MODE_LIMITING:
  7314. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7315. break;
  7316. case EDC_MODE_PASSIVE_DAC:
  7317. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7318. break;
  7319. default:
  7320. break;
  7321. }
  7322. val |= (mode << (lane << 2));
  7323. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7324. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7325. /* A must read */
  7326. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7327. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7328. /* Restart microcode to re-read the new mode */
  7329. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7330. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7331. }
  7332. static void bnx2x_set_limiting_mode(struct link_params *params,
  7333. struct bnx2x_phy *phy,
  7334. u16 edc_mode)
  7335. {
  7336. switch (phy->type) {
  7337. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7338. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7339. break;
  7340. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7341. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7342. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7343. break;
  7344. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7345. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7346. break;
  7347. }
  7348. }
  7349. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7350. struct link_params *params)
  7351. {
  7352. struct bnx2x *bp = params->bp;
  7353. u16 edc_mode;
  7354. int rc = 0;
  7355. u32 val = REG_RD(bp, params->shmem_base +
  7356. offsetof(struct shmem_region, dev_info.
  7357. port_feature_config[params->port].config));
  7358. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7359. params->port);
  7360. /* Power up module */
  7361. bnx2x_power_sfp_module(params, phy, 1);
  7362. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7363. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7364. return -EINVAL;
  7365. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7366. /* Check SFP+ module compatibility */
  7367. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7368. rc = -EINVAL;
  7369. /* Turn on fault module-detected led */
  7370. bnx2x_set_sfp_module_fault_led(params,
  7371. MISC_REGISTERS_GPIO_HIGH);
  7372. /* Check if need to power down the SFP+ module */
  7373. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7374. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7375. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7376. bnx2x_power_sfp_module(params, phy, 0);
  7377. return rc;
  7378. }
  7379. } else {
  7380. /* Turn off fault module-detected led */
  7381. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7382. }
  7383. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7384. * is done automatically
  7385. */
  7386. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7387. /* Enable transmit for this module if the module is approved, or
  7388. * if unapproved modules should also enable the Tx laser
  7389. */
  7390. if (rc == 0 ||
  7391. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7392. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7393. bnx2x_sfp_set_transmitter(params, phy, 1);
  7394. else
  7395. bnx2x_sfp_set_transmitter(params, phy, 0);
  7396. return rc;
  7397. }
  7398. void bnx2x_handle_module_detect_int(struct link_params *params)
  7399. {
  7400. struct bnx2x *bp = params->bp;
  7401. struct bnx2x_phy *phy;
  7402. u32 gpio_val;
  7403. u8 gpio_num, gpio_port;
  7404. if (CHIP_IS_E3(bp))
  7405. phy = &params->phy[INT_PHY];
  7406. else
  7407. phy = &params->phy[EXT_PHY1];
  7408. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7409. params->port, &gpio_num, &gpio_port) ==
  7410. -EINVAL) {
  7411. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7412. return;
  7413. }
  7414. /* Set valid module led off */
  7415. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7416. /* Get current gpio val reflecting module plugged in / out*/
  7417. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7418. /* Call the handling function in case module is detected */
  7419. if (gpio_val == 0) {
  7420. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  7421. bnx2x_set_aer_mmd(params, phy);
  7422. bnx2x_power_sfp_module(params, phy, 1);
  7423. bnx2x_set_gpio_int(bp, gpio_num,
  7424. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7425. gpio_port);
  7426. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0) {
  7427. bnx2x_sfp_module_detection(phy, params);
  7428. if (CHIP_IS_E3(bp)) {
  7429. u16 rx_tx_in_reset;
  7430. /* In case WC is out of reset, reconfigure the
  7431. * link speed while taking into account 1G
  7432. * module limitation.
  7433. */
  7434. bnx2x_cl45_read(bp, phy,
  7435. MDIO_WC_DEVAD,
  7436. MDIO_WC_REG_DIGITAL5_MISC6,
  7437. &rx_tx_in_reset);
  7438. if (!rx_tx_in_reset) {
  7439. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7440. bnx2x_warpcore_config_sfi(phy, params);
  7441. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7442. }
  7443. }
  7444. } else {
  7445. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7446. }
  7447. } else {
  7448. u32 val = REG_RD(bp, params->shmem_base +
  7449. offsetof(struct shmem_region, dev_info.
  7450. port_feature_config[params->port].
  7451. config));
  7452. bnx2x_set_gpio_int(bp, gpio_num,
  7453. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7454. gpio_port);
  7455. /* Module was plugged out.
  7456. * Disable transmit for this module
  7457. */
  7458. phy->media_type = ETH_PHY_NOT_PRESENT;
  7459. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7460. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7461. CHIP_IS_E3(bp))
  7462. bnx2x_sfp_set_transmitter(params, phy, 0);
  7463. }
  7464. }
  7465. /******************************************************************/
  7466. /* Used by 8706 and 8727 */
  7467. /******************************************************************/
  7468. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7469. struct bnx2x_phy *phy,
  7470. u16 alarm_status_offset,
  7471. u16 alarm_ctrl_offset)
  7472. {
  7473. u16 alarm_status, val;
  7474. bnx2x_cl45_read(bp, phy,
  7475. MDIO_PMA_DEVAD, alarm_status_offset,
  7476. &alarm_status);
  7477. bnx2x_cl45_read(bp, phy,
  7478. MDIO_PMA_DEVAD, alarm_status_offset,
  7479. &alarm_status);
  7480. /* Mask or enable the fault event. */
  7481. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7482. if (alarm_status & (1<<0))
  7483. val &= ~(1<<0);
  7484. else
  7485. val |= (1<<0);
  7486. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7487. }
  7488. /******************************************************************/
  7489. /* common BCM8706/BCM8726 PHY SECTION */
  7490. /******************************************************************/
  7491. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7492. struct link_params *params,
  7493. struct link_vars *vars)
  7494. {
  7495. u8 link_up = 0;
  7496. u16 val1, val2, rx_sd, pcs_status;
  7497. struct bnx2x *bp = params->bp;
  7498. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7499. /* Clear RX Alarm*/
  7500. bnx2x_cl45_read(bp, phy,
  7501. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7502. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7503. MDIO_PMA_LASI_TXCTRL);
  7504. /* Clear LASI indication*/
  7505. bnx2x_cl45_read(bp, phy,
  7506. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7507. bnx2x_cl45_read(bp, phy,
  7508. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7509. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7510. bnx2x_cl45_read(bp, phy,
  7511. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7512. bnx2x_cl45_read(bp, phy,
  7513. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7514. bnx2x_cl45_read(bp, phy,
  7515. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7516. bnx2x_cl45_read(bp, phy,
  7517. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7518. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7519. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7520. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7521. * are set, or if the autoneg bit 1 is set
  7522. */
  7523. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7524. if (link_up) {
  7525. if (val2 & (1<<1))
  7526. vars->line_speed = SPEED_1000;
  7527. else
  7528. vars->line_speed = SPEED_10000;
  7529. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7530. vars->duplex = DUPLEX_FULL;
  7531. }
  7532. /* Capture 10G link fault. Read twice to clear stale value. */
  7533. if (vars->line_speed == SPEED_10000) {
  7534. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7535. MDIO_PMA_LASI_TXSTAT, &val1);
  7536. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7537. MDIO_PMA_LASI_TXSTAT, &val1);
  7538. if (val1 & (1<<0))
  7539. vars->fault_detected = 1;
  7540. }
  7541. return link_up;
  7542. }
  7543. /******************************************************************/
  7544. /* BCM8706 PHY SECTION */
  7545. /******************************************************************/
  7546. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7547. struct link_params *params,
  7548. struct link_vars *vars)
  7549. {
  7550. u32 tx_en_mode;
  7551. u16 cnt, val, tmp1;
  7552. struct bnx2x *bp = params->bp;
  7553. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7554. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7555. /* HW reset */
  7556. bnx2x_ext_phy_hw_reset(bp, params->port);
  7557. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7558. bnx2x_wait_reset_complete(bp, phy, params);
  7559. /* Wait until fw is loaded */
  7560. for (cnt = 0; cnt < 100; cnt++) {
  7561. bnx2x_cl45_read(bp, phy,
  7562. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7563. if (val)
  7564. break;
  7565. usleep_range(10000, 20000);
  7566. }
  7567. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7568. if ((params->feature_config_flags &
  7569. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7570. u8 i;
  7571. u16 reg;
  7572. for (i = 0; i < 4; i++) {
  7573. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7574. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7575. MDIO_XS_8706_REG_BANK_RX0);
  7576. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7577. /* Clear first 3 bits of the control */
  7578. val &= ~0x7;
  7579. /* Set control bits according to configuration */
  7580. val |= (phy->rx_preemphasis[i] & 0x7);
  7581. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7582. " reg 0x%x <-- val 0x%x\n", reg, val);
  7583. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7584. }
  7585. }
  7586. /* Force speed */
  7587. if (phy->req_line_speed == SPEED_10000) {
  7588. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7589. bnx2x_cl45_write(bp, phy,
  7590. MDIO_PMA_DEVAD,
  7591. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7592. bnx2x_cl45_write(bp, phy,
  7593. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7594. 0);
  7595. /* Arm LASI for link and Tx fault. */
  7596. bnx2x_cl45_write(bp, phy,
  7597. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7598. } else {
  7599. /* Force 1Gbps using autoneg with 1G advertisement */
  7600. /* Allow CL37 through CL73 */
  7601. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7602. bnx2x_cl45_write(bp, phy,
  7603. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7604. /* Enable Full-Duplex advertisement on CL37 */
  7605. bnx2x_cl45_write(bp, phy,
  7606. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7607. /* Enable CL37 AN */
  7608. bnx2x_cl45_write(bp, phy,
  7609. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7610. /* 1G support */
  7611. bnx2x_cl45_write(bp, phy,
  7612. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7613. /* Enable clause 73 AN */
  7614. bnx2x_cl45_write(bp, phy,
  7615. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7616. bnx2x_cl45_write(bp, phy,
  7617. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7618. 0x0400);
  7619. bnx2x_cl45_write(bp, phy,
  7620. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7621. 0x0004);
  7622. }
  7623. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7624. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7625. * power mode, if TX Laser is disabled
  7626. */
  7627. tx_en_mode = REG_RD(bp, params->shmem_base +
  7628. offsetof(struct shmem_region,
  7629. dev_info.port_hw_config[params->port].sfp_ctrl))
  7630. & PORT_HW_CFG_TX_LASER_MASK;
  7631. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7632. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7633. bnx2x_cl45_read(bp, phy,
  7634. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7635. tmp1 |= 0x1;
  7636. bnx2x_cl45_write(bp, phy,
  7637. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7638. }
  7639. return 0;
  7640. }
  7641. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7642. struct link_params *params,
  7643. struct link_vars *vars)
  7644. {
  7645. return bnx2x_8706_8726_read_status(phy, params, vars);
  7646. }
  7647. /******************************************************************/
  7648. /* BCM8726 PHY SECTION */
  7649. /******************************************************************/
  7650. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7651. struct link_params *params)
  7652. {
  7653. struct bnx2x *bp = params->bp;
  7654. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7655. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7656. }
  7657. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7658. struct link_params *params)
  7659. {
  7660. struct bnx2x *bp = params->bp;
  7661. /* Need to wait 100ms after reset */
  7662. msleep(100);
  7663. /* Micro controller re-boot */
  7664. bnx2x_cl45_write(bp, phy,
  7665. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7666. /* Set soft reset */
  7667. bnx2x_cl45_write(bp, phy,
  7668. MDIO_PMA_DEVAD,
  7669. MDIO_PMA_REG_GEN_CTRL,
  7670. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7671. bnx2x_cl45_write(bp, phy,
  7672. MDIO_PMA_DEVAD,
  7673. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7674. bnx2x_cl45_write(bp, phy,
  7675. MDIO_PMA_DEVAD,
  7676. MDIO_PMA_REG_GEN_CTRL,
  7677. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7678. /* Wait for 150ms for microcode load */
  7679. msleep(150);
  7680. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7681. bnx2x_cl45_write(bp, phy,
  7682. MDIO_PMA_DEVAD,
  7683. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7684. msleep(200);
  7685. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7686. }
  7687. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7688. struct link_params *params,
  7689. struct link_vars *vars)
  7690. {
  7691. struct bnx2x *bp = params->bp;
  7692. u16 val1;
  7693. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7694. if (link_up) {
  7695. bnx2x_cl45_read(bp, phy,
  7696. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7697. &val1);
  7698. if (val1 & (1<<15)) {
  7699. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7700. link_up = 0;
  7701. vars->line_speed = 0;
  7702. }
  7703. }
  7704. return link_up;
  7705. }
  7706. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7707. struct link_params *params,
  7708. struct link_vars *vars)
  7709. {
  7710. struct bnx2x *bp = params->bp;
  7711. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7712. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7713. bnx2x_wait_reset_complete(bp, phy, params);
  7714. bnx2x_8726_external_rom_boot(phy, params);
  7715. /* Need to call module detected on initialization since the module
  7716. * detection triggered by actual module insertion might occur before
  7717. * driver is loaded, and when driver is loaded, it reset all
  7718. * registers, including the transmitter
  7719. */
  7720. bnx2x_sfp_module_detection(phy, params);
  7721. if (phy->req_line_speed == SPEED_1000) {
  7722. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7723. bnx2x_cl45_write(bp, phy,
  7724. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7725. bnx2x_cl45_write(bp, phy,
  7726. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7727. bnx2x_cl45_write(bp, phy,
  7728. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7729. bnx2x_cl45_write(bp, phy,
  7730. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7731. 0x400);
  7732. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7733. (phy->speed_cap_mask &
  7734. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7735. ((phy->speed_cap_mask &
  7736. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7737. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7738. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7739. /* Set Flow control */
  7740. bnx2x_ext_phy_set_pause(params, phy, vars);
  7741. bnx2x_cl45_write(bp, phy,
  7742. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7743. bnx2x_cl45_write(bp, phy,
  7744. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7745. bnx2x_cl45_write(bp, phy,
  7746. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7747. bnx2x_cl45_write(bp, phy,
  7748. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7749. bnx2x_cl45_write(bp, phy,
  7750. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7751. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7752. * change
  7753. */
  7754. bnx2x_cl45_write(bp, phy,
  7755. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7756. bnx2x_cl45_write(bp, phy,
  7757. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7758. 0x400);
  7759. } else { /* Default 10G. Set only LASI control */
  7760. bnx2x_cl45_write(bp, phy,
  7761. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7762. }
  7763. /* Set TX PreEmphasis if needed */
  7764. if ((params->feature_config_flags &
  7765. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7766. DP(NETIF_MSG_LINK,
  7767. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7768. phy->tx_preemphasis[0],
  7769. phy->tx_preemphasis[1]);
  7770. bnx2x_cl45_write(bp, phy,
  7771. MDIO_PMA_DEVAD,
  7772. MDIO_PMA_REG_8726_TX_CTRL1,
  7773. phy->tx_preemphasis[0]);
  7774. bnx2x_cl45_write(bp, phy,
  7775. MDIO_PMA_DEVAD,
  7776. MDIO_PMA_REG_8726_TX_CTRL2,
  7777. phy->tx_preemphasis[1]);
  7778. }
  7779. return 0;
  7780. }
  7781. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7782. struct link_params *params)
  7783. {
  7784. struct bnx2x *bp = params->bp;
  7785. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7786. /* Set serial boot control for external load */
  7787. bnx2x_cl45_write(bp, phy,
  7788. MDIO_PMA_DEVAD,
  7789. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7790. }
  7791. /******************************************************************/
  7792. /* BCM8727 PHY SECTION */
  7793. /******************************************************************/
  7794. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7795. struct link_params *params, u8 mode)
  7796. {
  7797. struct bnx2x *bp = params->bp;
  7798. u16 led_mode_bitmask = 0;
  7799. u16 gpio_pins_bitmask = 0;
  7800. u16 val;
  7801. /* Only NOC flavor requires to set the LED specifically */
  7802. if (!(phy->flags & FLAGS_NOC))
  7803. return;
  7804. switch (mode) {
  7805. case LED_MODE_FRONT_PANEL_OFF:
  7806. case LED_MODE_OFF:
  7807. led_mode_bitmask = 0;
  7808. gpio_pins_bitmask = 0x03;
  7809. break;
  7810. case LED_MODE_ON:
  7811. led_mode_bitmask = 0;
  7812. gpio_pins_bitmask = 0x02;
  7813. break;
  7814. case LED_MODE_OPER:
  7815. led_mode_bitmask = 0x60;
  7816. gpio_pins_bitmask = 0x11;
  7817. break;
  7818. }
  7819. bnx2x_cl45_read(bp, phy,
  7820. MDIO_PMA_DEVAD,
  7821. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7822. &val);
  7823. val &= 0xff8f;
  7824. val |= led_mode_bitmask;
  7825. bnx2x_cl45_write(bp, phy,
  7826. MDIO_PMA_DEVAD,
  7827. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7828. val);
  7829. bnx2x_cl45_read(bp, phy,
  7830. MDIO_PMA_DEVAD,
  7831. MDIO_PMA_REG_8727_GPIO_CTRL,
  7832. &val);
  7833. val &= 0xffe0;
  7834. val |= gpio_pins_bitmask;
  7835. bnx2x_cl45_write(bp, phy,
  7836. MDIO_PMA_DEVAD,
  7837. MDIO_PMA_REG_8727_GPIO_CTRL,
  7838. val);
  7839. }
  7840. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7841. struct link_params *params) {
  7842. u32 swap_val, swap_override;
  7843. u8 port;
  7844. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7845. * to cancel the swap done in set_gpio()
  7846. */
  7847. struct bnx2x *bp = params->bp;
  7848. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7849. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7850. port = (swap_val && swap_override) ^ 1;
  7851. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7852. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7853. }
  7854. static void bnx2x_8727_config_speed(struct bnx2x_phy *phy,
  7855. struct link_params *params)
  7856. {
  7857. struct bnx2x *bp = params->bp;
  7858. u16 tmp1, val;
  7859. /* Set option 1G speed */
  7860. if ((phy->req_line_speed == SPEED_1000) ||
  7861. (phy->media_type == ETH_PHY_SFP_1G_FIBER)) {
  7862. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7863. bnx2x_cl45_write(bp, phy,
  7864. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7865. bnx2x_cl45_write(bp, phy,
  7866. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7867. bnx2x_cl45_read(bp, phy,
  7868. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7869. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7870. /* Power down the XAUI until link is up in case of dual-media
  7871. * and 1G
  7872. */
  7873. if (DUAL_MEDIA(params)) {
  7874. bnx2x_cl45_read(bp, phy,
  7875. MDIO_PMA_DEVAD,
  7876. MDIO_PMA_REG_8727_PCS_GP, &val);
  7877. val |= (3<<10);
  7878. bnx2x_cl45_write(bp, phy,
  7879. MDIO_PMA_DEVAD,
  7880. MDIO_PMA_REG_8727_PCS_GP, val);
  7881. }
  7882. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7883. ((phy->speed_cap_mask &
  7884. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7885. ((phy->speed_cap_mask &
  7886. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7887. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7888. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7889. bnx2x_cl45_write(bp, phy,
  7890. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7891. bnx2x_cl45_write(bp, phy,
  7892. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7893. } else {
  7894. /* Since the 8727 has only single reset pin, need to set the 10G
  7895. * registers although it is default
  7896. */
  7897. bnx2x_cl45_write(bp, phy,
  7898. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7899. 0x0020);
  7900. bnx2x_cl45_write(bp, phy,
  7901. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7902. bnx2x_cl45_write(bp, phy,
  7903. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7904. bnx2x_cl45_write(bp, phy,
  7905. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7906. 0x0008);
  7907. }
  7908. }
  7909. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7910. struct link_params *params,
  7911. struct link_vars *vars)
  7912. {
  7913. u32 tx_en_mode;
  7914. u16 tmp1, mod_abs, tmp2;
  7915. struct bnx2x *bp = params->bp;
  7916. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7917. bnx2x_wait_reset_complete(bp, phy, params);
  7918. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7919. bnx2x_8727_specific_func(phy, params, PHY_INIT);
  7920. /* Initially configure MOD_ABS to interrupt when module is
  7921. * presence( bit 8)
  7922. */
  7923. bnx2x_cl45_read(bp, phy,
  7924. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7925. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7926. * When the EDC is off it locks onto a reference clock and avoids
  7927. * becoming 'lost'
  7928. */
  7929. mod_abs &= ~(1<<8);
  7930. if (!(phy->flags & FLAGS_NOC))
  7931. mod_abs &= ~(1<<9);
  7932. bnx2x_cl45_write(bp, phy,
  7933. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7934. /* Enable/Disable PHY transmitter output */
  7935. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7936. bnx2x_8727_power_module(bp, phy, 1);
  7937. bnx2x_cl45_read(bp, phy,
  7938. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7939. bnx2x_cl45_read(bp, phy,
  7940. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7941. bnx2x_8727_config_speed(phy, params);
  7942. /* Set TX PreEmphasis if needed */
  7943. if ((params->feature_config_flags &
  7944. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7945. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7946. phy->tx_preemphasis[0],
  7947. phy->tx_preemphasis[1]);
  7948. bnx2x_cl45_write(bp, phy,
  7949. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7950. phy->tx_preemphasis[0]);
  7951. bnx2x_cl45_write(bp, phy,
  7952. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7953. phy->tx_preemphasis[1]);
  7954. }
  7955. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7956. * power mode, if TX Laser is disabled
  7957. */
  7958. tx_en_mode = REG_RD(bp, params->shmem_base +
  7959. offsetof(struct shmem_region,
  7960. dev_info.port_hw_config[params->port].sfp_ctrl))
  7961. & PORT_HW_CFG_TX_LASER_MASK;
  7962. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7963. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7964. bnx2x_cl45_read(bp, phy,
  7965. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7966. tmp2 |= 0x1000;
  7967. tmp2 &= 0xFFEF;
  7968. bnx2x_cl45_write(bp, phy,
  7969. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7970. bnx2x_cl45_read(bp, phy,
  7971. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7972. &tmp2);
  7973. bnx2x_cl45_write(bp, phy,
  7974. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7975. (tmp2 & 0x7fff));
  7976. }
  7977. return 0;
  7978. }
  7979. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7980. struct link_params *params)
  7981. {
  7982. struct bnx2x *bp = params->bp;
  7983. u16 mod_abs, rx_alarm_status;
  7984. u32 val = REG_RD(bp, params->shmem_base +
  7985. offsetof(struct shmem_region, dev_info.
  7986. port_feature_config[params->port].
  7987. config));
  7988. bnx2x_cl45_read(bp, phy,
  7989. MDIO_PMA_DEVAD,
  7990. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7991. if (mod_abs & (1<<8)) {
  7992. /* Module is absent */
  7993. DP(NETIF_MSG_LINK,
  7994. "MOD_ABS indication show module is absent\n");
  7995. phy->media_type = ETH_PHY_NOT_PRESENT;
  7996. /* 1. Set mod_abs to detect next module
  7997. * presence event
  7998. * 2. Set EDC off by setting OPTXLOS signal input to low
  7999. * (bit 9).
  8000. * When the EDC is off it locks onto a reference clock and
  8001. * avoids becoming 'lost'.
  8002. */
  8003. mod_abs &= ~(1<<8);
  8004. if (!(phy->flags & FLAGS_NOC))
  8005. mod_abs &= ~(1<<9);
  8006. bnx2x_cl45_write(bp, phy,
  8007. MDIO_PMA_DEVAD,
  8008. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8009. /* Clear RX alarm since it stays up as long as
  8010. * the mod_abs wasn't changed
  8011. */
  8012. bnx2x_cl45_read(bp, phy,
  8013. MDIO_PMA_DEVAD,
  8014. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8015. } else {
  8016. /* Module is present */
  8017. DP(NETIF_MSG_LINK,
  8018. "MOD_ABS indication show module is present\n");
  8019. /* First disable transmitter, and if the module is ok, the
  8020. * module_detection will enable it
  8021. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8022. * 2. Restore the default polarity of the OPRXLOS signal and
  8023. * this signal will then correctly indicate the presence or
  8024. * absence of the Rx signal. (bit 9)
  8025. */
  8026. mod_abs |= (1<<8);
  8027. if (!(phy->flags & FLAGS_NOC))
  8028. mod_abs |= (1<<9);
  8029. bnx2x_cl45_write(bp, phy,
  8030. MDIO_PMA_DEVAD,
  8031. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8032. /* Clear RX alarm since it stays up as long as the mod_abs
  8033. * wasn't changed. This is need to be done before calling the
  8034. * module detection, otherwise it will clear* the link update
  8035. * alarm
  8036. */
  8037. bnx2x_cl45_read(bp, phy,
  8038. MDIO_PMA_DEVAD,
  8039. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8040. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8041. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8042. bnx2x_sfp_set_transmitter(params, phy, 0);
  8043. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8044. bnx2x_sfp_module_detection(phy, params);
  8045. else
  8046. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8047. /* Reconfigure link speed based on module type limitations */
  8048. bnx2x_8727_config_speed(phy, params);
  8049. }
  8050. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8051. rx_alarm_status);
  8052. /* No need to check link status in case of module plugged in/out */
  8053. }
  8054. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8055. struct link_params *params,
  8056. struct link_vars *vars)
  8057. {
  8058. struct bnx2x *bp = params->bp;
  8059. u8 link_up = 0, oc_port = params->port;
  8060. u16 link_status = 0;
  8061. u16 rx_alarm_status, lasi_ctrl, val1;
  8062. /* If PHY is not initialized, do not check link status */
  8063. bnx2x_cl45_read(bp, phy,
  8064. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8065. &lasi_ctrl);
  8066. if (!lasi_ctrl)
  8067. return 0;
  8068. /* Check the LASI on Rx */
  8069. bnx2x_cl45_read(bp, phy,
  8070. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8071. &rx_alarm_status);
  8072. vars->line_speed = 0;
  8073. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8074. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8075. MDIO_PMA_LASI_TXCTRL);
  8076. bnx2x_cl45_read(bp, phy,
  8077. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8078. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8079. /* Clear MSG-OUT */
  8080. bnx2x_cl45_read(bp, phy,
  8081. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8082. /* If a module is present and there is need to check
  8083. * for over current
  8084. */
  8085. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8086. /* Check over-current using 8727 GPIO0 input*/
  8087. bnx2x_cl45_read(bp, phy,
  8088. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8089. &val1);
  8090. if ((val1 & (1<<8)) == 0) {
  8091. if (!CHIP_IS_E1x(bp))
  8092. oc_port = BP_PATH(bp) + (params->port << 1);
  8093. DP(NETIF_MSG_LINK,
  8094. "8727 Power fault has been detected on port %d\n",
  8095. oc_port);
  8096. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8097. "been detected and the power to "
  8098. "that SFP+ module has been removed "
  8099. "to prevent failure of the card. "
  8100. "Please remove the SFP+ module and "
  8101. "restart the system to clear this "
  8102. "error.\n",
  8103. oc_port);
  8104. /* Disable all RX_ALARMs except for mod_abs */
  8105. bnx2x_cl45_write(bp, phy,
  8106. MDIO_PMA_DEVAD,
  8107. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8108. bnx2x_cl45_read(bp, phy,
  8109. MDIO_PMA_DEVAD,
  8110. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8111. /* Wait for module_absent_event */
  8112. val1 |= (1<<8);
  8113. bnx2x_cl45_write(bp, phy,
  8114. MDIO_PMA_DEVAD,
  8115. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8116. /* Clear RX alarm */
  8117. bnx2x_cl45_read(bp, phy,
  8118. MDIO_PMA_DEVAD,
  8119. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8120. return 0;
  8121. }
  8122. } /* Over current check */
  8123. /* When module absent bit is set, check module */
  8124. if (rx_alarm_status & (1<<5)) {
  8125. bnx2x_8727_handle_mod_abs(phy, params);
  8126. /* Enable all mod_abs and link detection bits */
  8127. bnx2x_cl45_write(bp, phy,
  8128. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8129. ((1<<5) | (1<<2)));
  8130. }
  8131. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8132. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8133. bnx2x_sfp_set_transmitter(params, phy, 1);
  8134. } else {
  8135. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8136. return 0;
  8137. }
  8138. bnx2x_cl45_read(bp, phy,
  8139. MDIO_PMA_DEVAD,
  8140. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8141. /* Bits 0..2 --> speed detected,
  8142. * Bits 13..15--> link is down
  8143. */
  8144. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8145. link_up = 1;
  8146. vars->line_speed = SPEED_10000;
  8147. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8148. params->port);
  8149. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8150. link_up = 1;
  8151. vars->line_speed = SPEED_1000;
  8152. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8153. params->port);
  8154. } else {
  8155. link_up = 0;
  8156. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8157. params->port);
  8158. }
  8159. /* Capture 10G link fault. */
  8160. if (vars->line_speed == SPEED_10000) {
  8161. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8162. MDIO_PMA_LASI_TXSTAT, &val1);
  8163. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8164. MDIO_PMA_LASI_TXSTAT, &val1);
  8165. if (val1 & (1<<0)) {
  8166. vars->fault_detected = 1;
  8167. }
  8168. }
  8169. if (link_up) {
  8170. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8171. vars->duplex = DUPLEX_FULL;
  8172. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8173. }
  8174. if ((DUAL_MEDIA(params)) &&
  8175. (phy->req_line_speed == SPEED_1000)) {
  8176. bnx2x_cl45_read(bp, phy,
  8177. MDIO_PMA_DEVAD,
  8178. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8179. /* In case of dual-media board and 1G, power up the XAUI side,
  8180. * otherwise power it down. For 10G it is done automatically
  8181. */
  8182. if (link_up)
  8183. val1 &= ~(3<<10);
  8184. else
  8185. val1 |= (3<<10);
  8186. bnx2x_cl45_write(bp, phy,
  8187. MDIO_PMA_DEVAD,
  8188. MDIO_PMA_REG_8727_PCS_GP, val1);
  8189. }
  8190. return link_up;
  8191. }
  8192. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8193. struct link_params *params)
  8194. {
  8195. struct bnx2x *bp = params->bp;
  8196. /* Enable/Disable PHY transmitter output */
  8197. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8198. /* Disable Transmitter */
  8199. bnx2x_sfp_set_transmitter(params, phy, 0);
  8200. /* Clear LASI */
  8201. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8202. }
  8203. /******************************************************************/
  8204. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8205. /******************************************************************/
  8206. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8207. struct bnx2x *bp,
  8208. u8 port)
  8209. {
  8210. u16 val, fw_ver1, fw_ver2, cnt;
  8211. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8212. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8213. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8214. phy->ver_addr);
  8215. } else {
  8216. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8217. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8218. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8219. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8220. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8221. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8222. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8223. for (cnt = 0; cnt < 100; cnt++) {
  8224. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8225. if (val & 1)
  8226. break;
  8227. udelay(5);
  8228. }
  8229. if (cnt == 100) {
  8230. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8231. "phy fw version(1)\n");
  8232. bnx2x_save_spirom_version(bp, port, 0,
  8233. phy->ver_addr);
  8234. return;
  8235. }
  8236. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8237. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8238. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8239. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8240. for (cnt = 0; cnt < 100; cnt++) {
  8241. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8242. if (val & 1)
  8243. break;
  8244. udelay(5);
  8245. }
  8246. if (cnt == 100) {
  8247. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8248. "version(2)\n");
  8249. bnx2x_save_spirom_version(bp, port, 0,
  8250. phy->ver_addr);
  8251. return;
  8252. }
  8253. /* lower 16 bits of the register SPI_FW_STATUS */
  8254. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8255. /* upper 16 bits of register SPI_FW_STATUS */
  8256. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8257. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8258. phy->ver_addr);
  8259. }
  8260. }
  8261. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8262. struct bnx2x_phy *phy)
  8263. {
  8264. u16 val, offset;
  8265. /* PHYC_CTL_LED_CTL */
  8266. bnx2x_cl45_read(bp, phy,
  8267. MDIO_PMA_DEVAD,
  8268. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8269. val &= 0xFE00;
  8270. val |= 0x0092;
  8271. bnx2x_cl45_write(bp, phy,
  8272. MDIO_PMA_DEVAD,
  8273. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8274. bnx2x_cl45_write(bp, phy,
  8275. MDIO_PMA_DEVAD,
  8276. MDIO_PMA_REG_8481_LED1_MASK,
  8277. 0x80);
  8278. bnx2x_cl45_write(bp, phy,
  8279. MDIO_PMA_DEVAD,
  8280. MDIO_PMA_REG_8481_LED2_MASK,
  8281. 0x18);
  8282. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD,
  8285. MDIO_PMA_REG_8481_LED3_MASK,
  8286. 0x0006);
  8287. /* Select the closest activity blink rate to that in 10/100/1000 */
  8288. bnx2x_cl45_write(bp, phy,
  8289. MDIO_PMA_DEVAD,
  8290. MDIO_PMA_REG_8481_LED3_BLINK,
  8291. 0);
  8292. /* Configure the blink rate to ~15.9 Hz */
  8293. bnx2x_cl45_write(bp, phy,
  8294. MDIO_PMA_DEVAD,
  8295. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8296. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8297. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8298. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8299. else
  8300. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8301. bnx2x_cl45_read(bp, phy,
  8302. MDIO_PMA_DEVAD, offset, &val);
  8303. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8304. bnx2x_cl45_write(bp, phy,
  8305. MDIO_PMA_DEVAD, offset, val);
  8306. /* 'Interrupt Mask' */
  8307. bnx2x_cl45_write(bp, phy,
  8308. MDIO_AN_DEVAD,
  8309. 0xFFFB, 0xFFFD);
  8310. }
  8311. static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
  8312. struct link_params *params,
  8313. u32 action)
  8314. {
  8315. struct bnx2x *bp = params->bp;
  8316. switch (action) {
  8317. case PHY_INIT:
  8318. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8319. /* Save spirom version */
  8320. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8321. }
  8322. /* This phy uses the NIG latch mechanism since link indication
  8323. * arrives through its LED4 and not via its LASI signal, so we
  8324. * get steady signal instead of clear on read
  8325. */
  8326. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8327. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8328. bnx2x_848xx_set_led(bp, phy);
  8329. break;
  8330. }
  8331. }
  8332. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8333. struct link_params *params,
  8334. struct link_vars *vars)
  8335. {
  8336. struct bnx2x *bp = params->bp;
  8337. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8338. bnx2x_848xx_specific_func(phy, params, PHY_INIT);
  8339. bnx2x_cl45_write(bp, phy,
  8340. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8341. /* set 1000 speed advertisement */
  8342. bnx2x_cl45_read(bp, phy,
  8343. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8344. &an_1000_val);
  8345. bnx2x_ext_phy_set_pause(params, phy, vars);
  8346. bnx2x_cl45_read(bp, phy,
  8347. MDIO_AN_DEVAD,
  8348. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8349. &an_10_100_val);
  8350. bnx2x_cl45_read(bp, phy,
  8351. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8352. &autoneg_val);
  8353. /* Disable forced speed */
  8354. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8355. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8356. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8357. (phy->speed_cap_mask &
  8358. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8359. (phy->req_line_speed == SPEED_1000)) {
  8360. an_1000_val |= (1<<8);
  8361. autoneg_val |= (1<<9 | 1<<12);
  8362. if (phy->req_duplex == DUPLEX_FULL)
  8363. an_1000_val |= (1<<9);
  8364. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8365. } else
  8366. an_1000_val &= ~((1<<8) | (1<<9));
  8367. bnx2x_cl45_write(bp, phy,
  8368. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8369. an_1000_val);
  8370. /* set 100 speed advertisement */
  8371. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8372. (phy->speed_cap_mask &
  8373. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8374. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8375. an_10_100_val |= (1<<7);
  8376. /* Enable autoneg and restart autoneg for legacy speeds */
  8377. autoneg_val |= (1<<9 | 1<<12);
  8378. if (phy->req_duplex == DUPLEX_FULL)
  8379. an_10_100_val |= (1<<8);
  8380. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8381. }
  8382. /* set 10 speed advertisement */
  8383. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8384. (phy->speed_cap_mask &
  8385. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8386. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8387. (phy->supported &
  8388. (SUPPORTED_10baseT_Half |
  8389. SUPPORTED_10baseT_Full)))) {
  8390. an_10_100_val |= (1<<5);
  8391. autoneg_val |= (1<<9 | 1<<12);
  8392. if (phy->req_duplex == DUPLEX_FULL)
  8393. an_10_100_val |= (1<<6);
  8394. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8395. }
  8396. /* Only 10/100 are allowed to work in FORCE mode */
  8397. if ((phy->req_line_speed == SPEED_100) &&
  8398. (phy->supported &
  8399. (SUPPORTED_100baseT_Half |
  8400. SUPPORTED_100baseT_Full))) {
  8401. autoneg_val |= (1<<13);
  8402. /* Enabled AUTO-MDIX when autoneg is disabled */
  8403. bnx2x_cl45_write(bp, phy,
  8404. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8405. (1<<15 | 1<<9 | 7<<0));
  8406. /* The PHY needs this set even for forced link. */
  8407. an_10_100_val |= (1<<8) | (1<<7);
  8408. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8409. }
  8410. if ((phy->req_line_speed == SPEED_10) &&
  8411. (phy->supported &
  8412. (SUPPORTED_10baseT_Half |
  8413. SUPPORTED_10baseT_Full))) {
  8414. /* Enabled AUTO-MDIX when autoneg is disabled */
  8415. bnx2x_cl45_write(bp, phy,
  8416. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8417. (1<<15 | 1<<9 | 7<<0));
  8418. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8419. }
  8420. bnx2x_cl45_write(bp, phy,
  8421. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8422. an_10_100_val);
  8423. if (phy->req_duplex == DUPLEX_FULL)
  8424. autoneg_val |= (1<<8);
  8425. /* Always write this if this is not 84833.
  8426. * For 84833, write it only when it's a forced speed.
  8427. */
  8428. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8429. ((autoneg_val & (1<<12)) == 0))
  8430. bnx2x_cl45_write(bp, phy,
  8431. MDIO_AN_DEVAD,
  8432. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8433. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8434. (phy->speed_cap_mask &
  8435. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8436. (phy->req_line_speed == SPEED_10000)) {
  8437. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8438. /* Restart autoneg for 10G*/
  8439. bnx2x_cl45_read(bp, phy,
  8440. MDIO_AN_DEVAD,
  8441. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8442. &an_10g_val);
  8443. bnx2x_cl45_write(bp, phy,
  8444. MDIO_AN_DEVAD,
  8445. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8446. an_10g_val | 0x1000);
  8447. bnx2x_cl45_write(bp, phy,
  8448. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8449. 0x3200);
  8450. } else
  8451. bnx2x_cl45_write(bp, phy,
  8452. MDIO_AN_DEVAD,
  8453. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8454. 1);
  8455. return 0;
  8456. }
  8457. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8458. struct link_params *params,
  8459. struct link_vars *vars)
  8460. {
  8461. struct bnx2x *bp = params->bp;
  8462. /* Restore normal power mode*/
  8463. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8464. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8465. /* HW reset */
  8466. bnx2x_ext_phy_hw_reset(bp, params->port);
  8467. bnx2x_wait_reset_complete(bp, phy, params);
  8468. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8469. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8470. }
  8471. #define PHY84833_CMDHDLR_WAIT 300
  8472. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8473. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8474. struct link_params *params,
  8475. u16 fw_cmd,
  8476. u16 cmd_args[], int argc)
  8477. {
  8478. int idx;
  8479. u16 val;
  8480. struct bnx2x *bp = params->bp;
  8481. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8482. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8483. MDIO_84833_CMD_HDLR_STATUS,
  8484. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8485. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8486. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8487. MDIO_84833_CMD_HDLR_STATUS, &val);
  8488. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8489. break;
  8490. usleep_range(1000, 2000);
  8491. }
  8492. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8493. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8494. return -EINVAL;
  8495. }
  8496. /* Prepare argument(s) and issue command */
  8497. for (idx = 0; idx < argc; idx++) {
  8498. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8499. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8500. cmd_args[idx]);
  8501. }
  8502. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8503. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8504. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8505. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8506. MDIO_84833_CMD_HDLR_STATUS, &val);
  8507. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8508. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8509. break;
  8510. usleep_range(1000, 2000);
  8511. }
  8512. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8513. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8514. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8515. return -EINVAL;
  8516. }
  8517. /* Gather returning data */
  8518. for (idx = 0; idx < argc; idx++) {
  8519. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8520. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8521. &cmd_args[idx]);
  8522. }
  8523. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8524. MDIO_84833_CMD_HDLR_STATUS,
  8525. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8526. return 0;
  8527. }
  8528. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8529. struct link_params *params,
  8530. struct link_vars *vars)
  8531. {
  8532. u32 pair_swap;
  8533. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8534. int status;
  8535. struct bnx2x *bp = params->bp;
  8536. /* Check for configuration. */
  8537. pair_swap = REG_RD(bp, params->shmem_base +
  8538. offsetof(struct shmem_region,
  8539. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8540. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8541. if (pair_swap == 0)
  8542. return 0;
  8543. /* Only the second argument is used for this command */
  8544. data[1] = (u16)pair_swap;
  8545. status = bnx2x_84833_cmd_hdlr(phy, params,
  8546. PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
  8547. if (status == 0)
  8548. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8549. return status;
  8550. }
  8551. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8552. u32 shmem_base_path[],
  8553. u32 chip_id)
  8554. {
  8555. u32 reset_pin[2];
  8556. u32 idx;
  8557. u8 reset_gpios;
  8558. if (CHIP_IS_E3(bp)) {
  8559. /* Assume that these will be GPIOs, not EPIOs. */
  8560. for (idx = 0; idx < 2; idx++) {
  8561. /* Map config param to register bit. */
  8562. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8563. offsetof(struct shmem_region,
  8564. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8565. reset_pin[idx] = (reset_pin[idx] &
  8566. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8567. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8568. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8569. reset_pin[idx] = (1 << reset_pin[idx]);
  8570. }
  8571. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8572. } else {
  8573. /* E2, look from diff place of shmem. */
  8574. for (idx = 0; idx < 2; idx++) {
  8575. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8576. offsetof(struct shmem_region,
  8577. dev_info.port_hw_config[0].default_cfg));
  8578. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8579. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8580. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8581. reset_pin[idx] = (1 << reset_pin[idx]);
  8582. }
  8583. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8584. }
  8585. return reset_gpios;
  8586. }
  8587. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8588. struct link_params *params)
  8589. {
  8590. struct bnx2x *bp = params->bp;
  8591. u8 reset_gpios;
  8592. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8593. offsetof(struct shmem2_region,
  8594. other_shmem_base_addr));
  8595. u32 shmem_base_path[2];
  8596. /* Work around for 84833 LED failure inside RESET status */
  8597. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8598. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8599. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8600. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8601. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8602. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8603. shmem_base_path[0] = params->shmem_base;
  8604. shmem_base_path[1] = other_shmem_base_addr;
  8605. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8606. params->chip_id);
  8607. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8608. udelay(10);
  8609. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8610. reset_gpios);
  8611. return 0;
  8612. }
  8613. static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
  8614. struct link_params *params,
  8615. struct link_vars *vars)
  8616. {
  8617. int rc;
  8618. struct bnx2x *bp = params->bp;
  8619. u16 cmd_args = 0;
  8620. DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
  8621. /* Prevent Phy from working in EEE and advertising it */
  8622. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8623. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8624. if (rc) {
  8625. DP(NETIF_MSG_LINK, "EEE disable failed.\n");
  8626. return rc;
  8627. }
  8628. return bnx2x_eee_disable(phy, params, vars);
  8629. }
  8630. static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
  8631. struct link_params *params,
  8632. struct link_vars *vars)
  8633. {
  8634. int rc;
  8635. struct bnx2x *bp = params->bp;
  8636. u16 cmd_args = 1;
  8637. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8638. PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
  8639. if (rc) {
  8640. DP(NETIF_MSG_LINK, "EEE enable failed.\n");
  8641. return rc;
  8642. }
  8643. return bnx2x_eee_advertise(phy, params, vars, SHMEM_EEE_10G_ADV);
  8644. }
  8645. #define PHY84833_CONSTANT_LATENCY 1193
  8646. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8647. struct link_params *params,
  8648. struct link_vars *vars)
  8649. {
  8650. struct bnx2x *bp = params->bp;
  8651. u8 port, initialize = 1;
  8652. u16 val;
  8653. u32 actual_phy_selection, cms_enable;
  8654. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8655. int rc = 0;
  8656. usleep_range(1000, 2000);
  8657. if (!(CHIP_IS_E1x(bp)))
  8658. port = BP_PATH(bp);
  8659. else
  8660. port = params->port;
  8661. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8662. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8663. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8664. port);
  8665. } else {
  8666. /* MDIO reset */
  8667. bnx2x_cl45_write(bp, phy,
  8668. MDIO_PMA_DEVAD,
  8669. MDIO_PMA_REG_CTRL, 0x8000);
  8670. }
  8671. bnx2x_wait_reset_complete(bp, phy, params);
  8672. /* Wait for GPHY to come out of reset */
  8673. msleep(50);
  8674. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8675. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8676. * behavior.
  8677. */
  8678. u16 temp;
  8679. temp = vars->line_speed;
  8680. vars->line_speed = SPEED_10000;
  8681. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8682. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8683. vars->line_speed = temp;
  8684. }
  8685. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8686. MDIO_CTL_REG_84823_MEDIA, &val);
  8687. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8688. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8689. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8690. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8691. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8692. if (CHIP_IS_E3(bp)) {
  8693. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8694. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8695. } else {
  8696. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8697. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8698. }
  8699. actual_phy_selection = bnx2x_phy_selection(params);
  8700. switch (actual_phy_selection) {
  8701. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8702. /* Do nothing. Essentially this is like the priority copper */
  8703. break;
  8704. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8705. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8706. break;
  8707. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8708. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8709. break;
  8710. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8711. /* Do nothing here. The first PHY won't be initialized at all */
  8712. break;
  8713. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8714. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8715. initialize = 0;
  8716. break;
  8717. }
  8718. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8719. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8720. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8721. MDIO_CTL_REG_84823_MEDIA, val);
  8722. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8723. params->multi_phy_config, val);
  8724. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8725. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8726. /* Keep AutogrEEEn disabled. */
  8727. cmd_args[0] = 0x0;
  8728. cmd_args[1] = 0x0;
  8729. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8730. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8731. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8732. PHY84833_CMD_SET_EEE_MODE, cmd_args,
  8733. PHY84833_CMDHDLR_MAX_ARGS);
  8734. if (rc)
  8735. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8736. }
  8737. if (initialize)
  8738. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8739. else
  8740. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8741. /* 84833 PHY has a better feature and doesn't need to support this. */
  8742. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8743. cms_enable = REG_RD(bp, params->shmem_base +
  8744. offsetof(struct shmem_region,
  8745. dev_info.port_hw_config[params->port].default_cfg)) &
  8746. PORT_HW_CFG_ENABLE_CMS_MASK;
  8747. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8748. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8749. if (cms_enable)
  8750. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8751. else
  8752. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8753. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8754. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8755. }
  8756. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8757. MDIO_84833_TOP_CFG_FW_REV, &val);
  8758. /* Configure EEE support */
  8759. if ((val >= MDIO_84833_TOP_CFG_FW_EEE) &&
  8760. (val != MDIO_84833_TOP_CFG_FW_NO_EEE) &&
  8761. bnx2x_eee_has_cap(params)) {
  8762. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_10G_ADV);
  8763. if (rc) {
  8764. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  8765. bnx2x_8483x_disable_eee(phy, params, vars);
  8766. return rc;
  8767. }
  8768. if ((params->req_duplex[actual_phy_selection] == DUPLEX_FULL) &&
  8769. (params->eee_mode & EEE_MODE_ADV_LPI) &&
  8770. (bnx2x_eee_calc_timer(params) ||
  8771. !(params->eee_mode & EEE_MODE_ENABLE_LPI)))
  8772. rc = bnx2x_8483x_enable_eee(phy, params, vars);
  8773. else
  8774. rc = bnx2x_8483x_disable_eee(phy, params, vars);
  8775. if (rc) {
  8776. DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n");
  8777. return rc;
  8778. }
  8779. } else {
  8780. vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
  8781. }
  8782. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8783. /* Bring PHY out of super isolate mode as the final step. */
  8784. bnx2x_cl45_read(bp, phy,
  8785. MDIO_CTL_DEVAD,
  8786. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8787. val &= ~MDIO_84833_SUPER_ISOLATE;
  8788. bnx2x_cl45_write(bp, phy,
  8789. MDIO_CTL_DEVAD,
  8790. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8791. }
  8792. return rc;
  8793. }
  8794. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8795. struct link_params *params,
  8796. struct link_vars *vars)
  8797. {
  8798. struct bnx2x *bp = params->bp;
  8799. u16 val, val1, val2;
  8800. u8 link_up = 0;
  8801. /* Check 10G-BaseT link status */
  8802. /* Check PMD signal ok */
  8803. bnx2x_cl45_read(bp, phy,
  8804. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8805. bnx2x_cl45_read(bp, phy,
  8806. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8807. &val2);
  8808. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8809. /* Check link 10G */
  8810. if (val2 & (1<<11)) {
  8811. vars->line_speed = SPEED_10000;
  8812. vars->duplex = DUPLEX_FULL;
  8813. link_up = 1;
  8814. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8815. } else { /* Check Legacy speed link */
  8816. u16 legacy_status, legacy_speed;
  8817. /* Enable expansion register 0x42 (Operation mode status) */
  8818. bnx2x_cl45_write(bp, phy,
  8819. MDIO_AN_DEVAD,
  8820. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8821. /* Get legacy speed operation status */
  8822. bnx2x_cl45_read(bp, phy,
  8823. MDIO_AN_DEVAD,
  8824. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8825. &legacy_status);
  8826. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8827. legacy_status);
  8828. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8829. legacy_speed = (legacy_status & (3<<9));
  8830. if (legacy_speed == (0<<9))
  8831. vars->line_speed = SPEED_10;
  8832. else if (legacy_speed == (1<<9))
  8833. vars->line_speed = SPEED_100;
  8834. else if (legacy_speed == (2<<9))
  8835. vars->line_speed = SPEED_1000;
  8836. else { /* Should not happen: Treat as link down */
  8837. vars->line_speed = 0;
  8838. link_up = 0;
  8839. }
  8840. if (link_up) {
  8841. if (legacy_status & (1<<8))
  8842. vars->duplex = DUPLEX_FULL;
  8843. else
  8844. vars->duplex = DUPLEX_HALF;
  8845. DP(NETIF_MSG_LINK,
  8846. "Link is up in %dMbps, is_duplex_full= %d\n",
  8847. vars->line_speed,
  8848. (vars->duplex == DUPLEX_FULL));
  8849. /* Check legacy speed AN resolution */
  8850. bnx2x_cl45_read(bp, phy,
  8851. MDIO_AN_DEVAD,
  8852. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8853. &val);
  8854. if (val & (1<<5))
  8855. vars->link_status |=
  8856. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8857. bnx2x_cl45_read(bp, phy,
  8858. MDIO_AN_DEVAD,
  8859. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8860. &val);
  8861. if ((val & (1<<0)) == 0)
  8862. vars->link_status |=
  8863. LINK_STATUS_PARALLEL_DETECTION_USED;
  8864. }
  8865. }
  8866. if (link_up) {
  8867. DP(NETIF_MSG_LINK, "BCM848x3: link speed is %d\n",
  8868. vars->line_speed);
  8869. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8870. /* Read LP advertised speeds */
  8871. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8872. MDIO_AN_REG_CL37_FC_LP, &val);
  8873. if (val & (1<<5))
  8874. vars->link_status |=
  8875. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8876. if (val & (1<<6))
  8877. vars->link_status |=
  8878. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8879. if (val & (1<<7))
  8880. vars->link_status |=
  8881. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8882. if (val & (1<<8))
  8883. vars->link_status |=
  8884. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8885. if (val & (1<<9))
  8886. vars->link_status |=
  8887. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8888. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8889. MDIO_AN_REG_1000T_STATUS, &val);
  8890. if (val & (1<<10))
  8891. vars->link_status |=
  8892. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8893. if (val & (1<<11))
  8894. vars->link_status |=
  8895. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8896. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8897. MDIO_AN_REG_MASTER_STATUS, &val);
  8898. if (val & (1<<11))
  8899. vars->link_status |=
  8900. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8901. /* Determine if EEE was negotiated */
  8902. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8903. bnx2x_eee_an_resolve(phy, params, vars);
  8904. }
  8905. return link_up;
  8906. }
  8907. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8908. {
  8909. int status = 0;
  8910. u32 spirom_ver;
  8911. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8912. status = bnx2x_format_ver(spirom_ver, str, len);
  8913. return status;
  8914. }
  8915. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8916. struct link_params *params)
  8917. {
  8918. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8919. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8920. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8921. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8922. }
  8923. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8924. struct link_params *params)
  8925. {
  8926. bnx2x_cl45_write(params->bp, phy,
  8927. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8928. bnx2x_cl45_write(params->bp, phy,
  8929. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8930. }
  8931. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8932. struct link_params *params)
  8933. {
  8934. struct bnx2x *bp = params->bp;
  8935. u8 port;
  8936. u16 val16;
  8937. if (!(CHIP_IS_E1x(bp)))
  8938. port = BP_PATH(bp);
  8939. else
  8940. port = params->port;
  8941. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8942. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8943. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8944. port);
  8945. } else {
  8946. bnx2x_cl45_read(bp, phy,
  8947. MDIO_CTL_DEVAD,
  8948. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8949. val16 |= MDIO_84833_SUPER_ISOLATE;
  8950. bnx2x_cl45_write(bp, phy,
  8951. MDIO_CTL_DEVAD,
  8952. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8953. }
  8954. }
  8955. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8956. struct link_params *params, u8 mode)
  8957. {
  8958. struct bnx2x *bp = params->bp;
  8959. u16 val;
  8960. u8 port;
  8961. if (!(CHIP_IS_E1x(bp)))
  8962. port = BP_PATH(bp);
  8963. else
  8964. port = params->port;
  8965. switch (mode) {
  8966. case LED_MODE_OFF:
  8967. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8968. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8969. SHARED_HW_CFG_LED_EXTPHY1) {
  8970. /* Set LED masks */
  8971. bnx2x_cl45_write(bp, phy,
  8972. MDIO_PMA_DEVAD,
  8973. MDIO_PMA_REG_8481_LED1_MASK,
  8974. 0x0);
  8975. bnx2x_cl45_write(bp, phy,
  8976. MDIO_PMA_DEVAD,
  8977. MDIO_PMA_REG_8481_LED2_MASK,
  8978. 0x0);
  8979. bnx2x_cl45_write(bp, phy,
  8980. MDIO_PMA_DEVAD,
  8981. MDIO_PMA_REG_8481_LED3_MASK,
  8982. 0x0);
  8983. bnx2x_cl45_write(bp, phy,
  8984. MDIO_PMA_DEVAD,
  8985. MDIO_PMA_REG_8481_LED5_MASK,
  8986. 0x0);
  8987. } else {
  8988. bnx2x_cl45_write(bp, phy,
  8989. MDIO_PMA_DEVAD,
  8990. MDIO_PMA_REG_8481_LED1_MASK,
  8991. 0x0);
  8992. }
  8993. break;
  8994. case LED_MODE_FRONT_PANEL_OFF:
  8995. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8996. port);
  8997. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8998. SHARED_HW_CFG_LED_EXTPHY1) {
  8999. /* Set LED masks */
  9000. bnx2x_cl45_write(bp, phy,
  9001. MDIO_PMA_DEVAD,
  9002. MDIO_PMA_REG_8481_LED1_MASK,
  9003. 0x0);
  9004. bnx2x_cl45_write(bp, phy,
  9005. MDIO_PMA_DEVAD,
  9006. MDIO_PMA_REG_8481_LED2_MASK,
  9007. 0x0);
  9008. bnx2x_cl45_write(bp, phy,
  9009. MDIO_PMA_DEVAD,
  9010. MDIO_PMA_REG_8481_LED3_MASK,
  9011. 0x0);
  9012. bnx2x_cl45_write(bp, phy,
  9013. MDIO_PMA_DEVAD,
  9014. MDIO_PMA_REG_8481_LED5_MASK,
  9015. 0x20);
  9016. } else {
  9017. bnx2x_cl45_write(bp, phy,
  9018. MDIO_PMA_DEVAD,
  9019. MDIO_PMA_REG_8481_LED1_MASK,
  9020. 0x0);
  9021. }
  9022. break;
  9023. case LED_MODE_ON:
  9024. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  9025. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9026. SHARED_HW_CFG_LED_EXTPHY1) {
  9027. /* Set control reg */
  9028. bnx2x_cl45_read(bp, phy,
  9029. MDIO_PMA_DEVAD,
  9030. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9031. &val);
  9032. val &= 0x8000;
  9033. val |= 0x2492;
  9034. bnx2x_cl45_write(bp, phy,
  9035. MDIO_PMA_DEVAD,
  9036. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9037. val);
  9038. /* Set LED masks */
  9039. bnx2x_cl45_write(bp, phy,
  9040. MDIO_PMA_DEVAD,
  9041. MDIO_PMA_REG_8481_LED1_MASK,
  9042. 0x0);
  9043. bnx2x_cl45_write(bp, phy,
  9044. MDIO_PMA_DEVAD,
  9045. MDIO_PMA_REG_8481_LED2_MASK,
  9046. 0x20);
  9047. bnx2x_cl45_write(bp, phy,
  9048. MDIO_PMA_DEVAD,
  9049. MDIO_PMA_REG_8481_LED3_MASK,
  9050. 0x20);
  9051. bnx2x_cl45_write(bp, phy,
  9052. MDIO_PMA_DEVAD,
  9053. MDIO_PMA_REG_8481_LED5_MASK,
  9054. 0x0);
  9055. } else {
  9056. bnx2x_cl45_write(bp, phy,
  9057. MDIO_PMA_DEVAD,
  9058. MDIO_PMA_REG_8481_LED1_MASK,
  9059. 0x20);
  9060. }
  9061. break;
  9062. case LED_MODE_OPER:
  9063. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  9064. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  9065. SHARED_HW_CFG_LED_EXTPHY1) {
  9066. /* Set control reg */
  9067. bnx2x_cl45_read(bp, phy,
  9068. MDIO_PMA_DEVAD,
  9069. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9070. &val);
  9071. if (!((val &
  9072. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  9073. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  9074. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  9075. bnx2x_cl45_write(bp, phy,
  9076. MDIO_PMA_DEVAD,
  9077. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9078. 0xa492);
  9079. }
  9080. /* Set LED masks */
  9081. bnx2x_cl45_write(bp, phy,
  9082. MDIO_PMA_DEVAD,
  9083. MDIO_PMA_REG_8481_LED1_MASK,
  9084. 0x10);
  9085. bnx2x_cl45_write(bp, phy,
  9086. MDIO_PMA_DEVAD,
  9087. MDIO_PMA_REG_8481_LED2_MASK,
  9088. 0x80);
  9089. bnx2x_cl45_write(bp, phy,
  9090. MDIO_PMA_DEVAD,
  9091. MDIO_PMA_REG_8481_LED3_MASK,
  9092. 0x98);
  9093. bnx2x_cl45_write(bp, phy,
  9094. MDIO_PMA_DEVAD,
  9095. MDIO_PMA_REG_8481_LED5_MASK,
  9096. 0x40);
  9097. } else {
  9098. bnx2x_cl45_write(bp, phy,
  9099. MDIO_PMA_DEVAD,
  9100. MDIO_PMA_REG_8481_LED1_MASK,
  9101. 0x80);
  9102. /* Tell LED3 to blink on source */
  9103. bnx2x_cl45_read(bp, phy,
  9104. MDIO_PMA_DEVAD,
  9105. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9106. &val);
  9107. val &= ~(7<<6);
  9108. val |= (1<<6); /* A83B[8:6]= 1 */
  9109. bnx2x_cl45_write(bp, phy,
  9110. MDIO_PMA_DEVAD,
  9111. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9112. val);
  9113. }
  9114. break;
  9115. }
  9116. /* This is a workaround for E3+84833 until autoneg
  9117. * restart is fixed in f/w
  9118. */
  9119. if (CHIP_IS_E3(bp)) {
  9120. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9121. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9122. }
  9123. }
  9124. /******************************************************************/
  9125. /* 54618SE PHY SECTION */
  9126. /******************************************************************/
  9127. static void bnx2x_54618se_specific_func(struct bnx2x_phy *phy,
  9128. struct link_params *params,
  9129. u32 action)
  9130. {
  9131. struct bnx2x *bp = params->bp;
  9132. u16 temp;
  9133. switch (action) {
  9134. case PHY_INIT:
  9135. /* Configure LED4: set to INTR (0x6). */
  9136. /* Accessing shadow register 0xe. */
  9137. bnx2x_cl22_write(bp, phy,
  9138. MDIO_REG_GPHY_SHADOW,
  9139. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9140. bnx2x_cl22_read(bp, phy,
  9141. MDIO_REG_GPHY_SHADOW,
  9142. &temp);
  9143. temp &= ~(0xf << 4);
  9144. temp |= (0x6 << 4);
  9145. bnx2x_cl22_write(bp, phy,
  9146. MDIO_REG_GPHY_SHADOW,
  9147. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9148. /* Configure INTR based on link status change. */
  9149. bnx2x_cl22_write(bp, phy,
  9150. MDIO_REG_INTR_MASK,
  9151. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9152. break;
  9153. }
  9154. }
  9155. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9156. struct link_params *params,
  9157. struct link_vars *vars)
  9158. {
  9159. struct bnx2x *bp = params->bp;
  9160. u8 port;
  9161. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9162. u32 cfg_pin;
  9163. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9164. usleep_range(1000, 2000);
  9165. /* This works with E3 only, no need to check the chip
  9166. * before determining the port.
  9167. */
  9168. port = params->port;
  9169. cfg_pin = (REG_RD(bp, params->shmem_base +
  9170. offsetof(struct shmem_region,
  9171. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9172. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9173. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9174. /* Drive pin high to bring the GPHY out of reset. */
  9175. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9176. /* wait for GPHY to reset */
  9177. msleep(50);
  9178. /* reset phy */
  9179. bnx2x_cl22_write(bp, phy,
  9180. MDIO_PMA_REG_CTRL, 0x8000);
  9181. bnx2x_wait_reset_complete(bp, phy, params);
  9182. /* Wait for GPHY to reset */
  9183. msleep(50);
  9184. bnx2x_54618se_specific_func(phy, params, PHY_INIT);
  9185. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9186. bnx2x_cl22_write(bp, phy,
  9187. MDIO_REG_GPHY_SHADOW,
  9188. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9189. bnx2x_cl22_read(bp, phy,
  9190. MDIO_REG_GPHY_SHADOW,
  9191. &temp);
  9192. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9193. bnx2x_cl22_write(bp, phy,
  9194. MDIO_REG_GPHY_SHADOW,
  9195. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9196. /* Set up fc */
  9197. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9198. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9199. fc_val = 0;
  9200. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9201. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9202. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9203. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9204. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9205. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9206. /* Read all advertisement */
  9207. bnx2x_cl22_read(bp, phy,
  9208. 0x09,
  9209. &an_1000_val);
  9210. bnx2x_cl22_read(bp, phy,
  9211. 0x04,
  9212. &an_10_100_val);
  9213. bnx2x_cl22_read(bp, phy,
  9214. MDIO_PMA_REG_CTRL,
  9215. &autoneg_val);
  9216. /* Disable forced speed */
  9217. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9218. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9219. (1<<11));
  9220. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9221. (phy->speed_cap_mask &
  9222. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9223. (phy->req_line_speed == SPEED_1000)) {
  9224. an_1000_val |= (1<<8);
  9225. autoneg_val |= (1<<9 | 1<<12);
  9226. if (phy->req_duplex == DUPLEX_FULL)
  9227. an_1000_val |= (1<<9);
  9228. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9229. } else
  9230. an_1000_val &= ~((1<<8) | (1<<9));
  9231. bnx2x_cl22_write(bp, phy,
  9232. 0x09,
  9233. an_1000_val);
  9234. bnx2x_cl22_read(bp, phy,
  9235. 0x09,
  9236. &an_1000_val);
  9237. /* Set 100 speed advertisement */
  9238. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9239. (phy->speed_cap_mask &
  9240. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9241. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9242. an_10_100_val |= (1<<7);
  9243. /* Enable autoneg and restart autoneg for legacy speeds */
  9244. autoneg_val |= (1<<9 | 1<<12);
  9245. if (phy->req_duplex == DUPLEX_FULL)
  9246. an_10_100_val |= (1<<8);
  9247. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9248. }
  9249. /* Set 10 speed advertisement */
  9250. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9251. (phy->speed_cap_mask &
  9252. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9253. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9254. an_10_100_val |= (1<<5);
  9255. autoneg_val |= (1<<9 | 1<<12);
  9256. if (phy->req_duplex == DUPLEX_FULL)
  9257. an_10_100_val |= (1<<6);
  9258. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9259. }
  9260. /* Only 10/100 are allowed to work in FORCE mode */
  9261. if (phy->req_line_speed == SPEED_100) {
  9262. autoneg_val |= (1<<13);
  9263. /* Enabled AUTO-MDIX when autoneg is disabled */
  9264. bnx2x_cl22_write(bp, phy,
  9265. 0x18,
  9266. (1<<15 | 1<<9 | 7<<0));
  9267. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9268. }
  9269. if (phy->req_line_speed == SPEED_10) {
  9270. /* Enabled AUTO-MDIX when autoneg is disabled */
  9271. bnx2x_cl22_write(bp, phy,
  9272. 0x18,
  9273. (1<<15 | 1<<9 | 7<<0));
  9274. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9275. }
  9276. if ((phy->flags & FLAGS_EEE) && bnx2x_eee_has_cap(params)) {
  9277. int rc;
  9278. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS,
  9279. MDIO_REG_GPHY_EXP_ACCESS_TOP |
  9280. MDIO_REG_GPHY_EXP_TOP_2K_BUF);
  9281. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, &temp);
  9282. temp &= 0xfffe;
  9283. bnx2x_cl22_write(bp, phy, MDIO_REG_GPHY_EXP_ACCESS_GATE, temp);
  9284. rc = bnx2x_eee_initial_config(params, vars, SHMEM_EEE_1G_ADV);
  9285. if (rc) {
  9286. DP(NETIF_MSG_LINK, "Failed to configure EEE timers\n");
  9287. bnx2x_eee_disable(phy, params, vars);
  9288. } else if ((params->eee_mode & EEE_MODE_ADV_LPI) &&
  9289. (phy->req_duplex == DUPLEX_FULL) &&
  9290. (bnx2x_eee_calc_timer(params) ||
  9291. !(params->eee_mode & EEE_MODE_ENABLE_LPI))) {
  9292. /* Need to advertise EEE only when requested,
  9293. * and either no LPI assertion was requested,
  9294. * or it was requested and a valid timer was set.
  9295. * Also notice full duplex is required for EEE.
  9296. */
  9297. bnx2x_eee_advertise(phy, params, vars,
  9298. SHMEM_EEE_1G_ADV);
  9299. } else {
  9300. DP(NETIF_MSG_LINK, "Don't Advertise 1GBase-T EEE\n");
  9301. bnx2x_eee_disable(phy, params, vars);
  9302. }
  9303. } else {
  9304. vars->eee_status &= ~SHMEM_EEE_1G_ADV <<
  9305. SHMEM_EEE_SUPPORTED_SHIFT;
  9306. if (phy->flags & FLAGS_EEE) {
  9307. /* Handle legacy auto-grEEEn */
  9308. if (params->feature_config_flags &
  9309. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9310. temp = 6;
  9311. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9312. } else {
  9313. temp = 0;
  9314. DP(NETIF_MSG_LINK, "Don't Adv. EEE\n");
  9315. }
  9316. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  9317. MDIO_AN_REG_EEE_ADV, temp);
  9318. }
  9319. }
  9320. bnx2x_cl22_write(bp, phy,
  9321. 0x04,
  9322. an_10_100_val | fc_val);
  9323. if (phy->req_duplex == DUPLEX_FULL)
  9324. autoneg_val |= (1<<8);
  9325. bnx2x_cl22_write(bp, phy,
  9326. MDIO_PMA_REG_CTRL, autoneg_val);
  9327. return 0;
  9328. }
  9329. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9330. struct link_params *params, u8 mode)
  9331. {
  9332. struct bnx2x *bp = params->bp;
  9333. u16 temp;
  9334. bnx2x_cl22_write(bp, phy,
  9335. MDIO_REG_GPHY_SHADOW,
  9336. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9337. bnx2x_cl22_read(bp, phy,
  9338. MDIO_REG_GPHY_SHADOW,
  9339. &temp);
  9340. temp &= 0xff00;
  9341. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9342. switch (mode) {
  9343. case LED_MODE_FRONT_PANEL_OFF:
  9344. case LED_MODE_OFF:
  9345. temp |= 0x00ee;
  9346. break;
  9347. case LED_MODE_OPER:
  9348. temp |= 0x0001;
  9349. break;
  9350. case LED_MODE_ON:
  9351. temp |= 0x00ff;
  9352. break;
  9353. default:
  9354. break;
  9355. }
  9356. bnx2x_cl22_write(bp, phy,
  9357. MDIO_REG_GPHY_SHADOW,
  9358. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9359. return;
  9360. }
  9361. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9362. struct link_params *params)
  9363. {
  9364. struct bnx2x *bp = params->bp;
  9365. u32 cfg_pin;
  9366. u8 port;
  9367. /* In case of no EPIO routed to reset the GPHY, put it
  9368. * in low power mode.
  9369. */
  9370. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9371. /* This works with E3 only, no need to check the chip
  9372. * before determining the port.
  9373. */
  9374. port = params->port;
  9375. cfg_pin = (REG_RD(bp, params->shmem_base +
  9376. offsetof(struct shmem_region,
  9377. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9378. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9379. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9380. /* Drive pin low to put GPHY in reset. */
  9381. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9382. }
  9383. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9384. struct link_params *params,
  9385. struct link_vars *vars)
  9386. {
  9387. struct bnx2x *bp = params->bp;
  9388. u16 val;
  9389. u8 link_up = 0;
  9390. u16 legacy_status, legacy_speed;
  9391. /* Get speed operation status */
  9392. bnx2x_cl22_read(bp, phy,
  9393. MDIO_REG_GPHY_AUX_STATUS,
  9394. &legacy_status);
  9395. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9396. /* Read status to clear the PHY interrupt. */
  9397. bnx2x_cl22_read(bp, phy,
  9398. MDIO_REG_INTR_STATUS,
  9399. &val);
  9400. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9401. if (link_up) {
  9402. legacy_speed = (legacy_status & (7<<8));
  9403. if (legacy_speed == (7<<8)) {
  9404. vars->line_speed = SPEED_1000;
  9405. vars->duplex = DUPLEX_FULL;
  9406. } else if (legacy_speed == (6<<8)) {
  9407. vars->line_speed = SPEED_1000;
  9408. vars->duplex = DUPLEX_HALF;
  9409. } else if (legacy_speed == (5<<8)) {
  9410. vars->line_speed = SPEED_100;
  9411. vars->duplex = DUPLEX_FULL;
  9412. }
  9413. /* Omitting 100Base-T4 for now */
  9414. else if (legacy_speed == (3<<8)) {
  9415. vars->line_speed = SPEED_100;
  9416. vars->duplex = DUPLEX_HALF;
  9417. } else if (legacy_speed == (2<<8)) {
  9418. vars->line_speed = SPEED_10;
  9419. vars->duplex = DUPLEX_FULL;
  9420. } else if (legacy_speed == (1<<8)) {
  9421. vars->line_speed = SPEED_10;
  9422. vars->duplex = DUPLEX_HALF;
  9423. } else /* Should not happen */
  9424. vars->line_speed = 0;
  9425. DP(NETIF_MSG_LINK,
  9426. "Link is up in %dMbps, is_duplex_full= %d\n",
  9427. vars->line_speed,
  9428. (vars->duplex == DUPLEX_FULL));
  9429. /* Check legacy speed AN resolution */
  9430. bnx2x_cl22_read(bp, phy,
  9431. 0x01,
  9432. &val);
  9433. if (val & (1<<5))
  9434. vars->link_status |=
  9435. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9436. bnx2x_cl22_read(bp, phy,
  9437. 0x06,
  9438. &val);
  9439. if ((val & (1<<0)) == 0)
  9440. vars->link_status |=
  9441. LINK_STATUS_PARALLEL_DETECTION_USED;
  9442. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9443. vars->line_speed);
  9444. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9445. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9446. /* Report LP advertised speeds */
  9447. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9448. if (val & (1<<5))
  9449. vars->link_status |=
  9450. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9451. if (val & (1<<6))
  9452. vars->link_status |=
  9453. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9454. if (val & (1<<7))
  9455. vars->link_status |=
  9456. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9457. if (val & (1<<8))
  9458. vars->link_status |=
  9459. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9460. if (val & (1<<9))
  9461. vars->link_status |=
  9462. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9463. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9464. if (val & (1<<10))
  9465. vars->link_status |=
  9466. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9467. if (val & (1<<11))
  9468. vars->link_status |=
  9469. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9470. if ((phy->flags & FLAGS_EEE) &&
  9471. bnx2x_eee_has_cap(params))
  9472. bnx2x_eee_an_resolve(phy, params, vars);
  9473. }
  9474. }
  9475. return link_up;
  9476. }
  9477. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9478. struct link_params *params)
  9479. {
  9480. struct bnx2x *bp = params->bp;
  9481. u16 val;
  9482. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9483. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9484. /* Enable master/slave manual mmode and set to master */
  9485. /* mii write 9 [bits set 11 12] */
  9486. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9487. /* forced 1G and disable autoneg */
  9488. /* set val [mii read 0] */
  9489. /* set val [expr $val & [bits clear 6 12 13]] */
  9490. /* set val [expr $val | [bits set 6 8]] */
  9491. /* mii write 0 $val */
  9492. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9493. val &= ~((1<<6) | (1<<12) | (1<<13));
  9494. val |= (1<<6) | (1<<8);
  9495. bnx2x_cl22_write(bp, phy, 0x00, val);
  9496. /* Set external loopback and Tx using 6dB coding */
  9497. /* mii write 0x18 7 */
  9498. /* set val [mii read 0x18] */
  9499. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9500. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9501. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9502. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9503. /* This register opens the gate for the UMAC despite its name */
  9504. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9505. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9506. * length used by the MAC receive logic to check frames.
  9507. */
  9508. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9509. }
  9510. /******************************************************************/
  9511. /* SFX7101 PHY SECTION */
  9512. /******************************************************************/
  9513. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9514. struct link_params *params)
  9515. {
  9516. struct bnx2x *bp = params->bp;
  9517. /* SFX7101_XGXS_TEST1 */
  9518. bnx2x_cl45_write(bp, phy,
  9519. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9520. }
  9521. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9522. struct link_params *params,
  9523. struct link_vars *vars)
  9524. {
  9525. u16 fw_ver1, fw_ver2, val;
  9526. struct bnx2x *bp = params->bp;
  9527. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9528. /* Restore normal power mode*/
  9529. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9530. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9531. /* HW reset */
  9532. bnx2x_ext_phy_hw_reset(bp, params->port);
  9533. bnx2x_wait_reset_complete(bp, phy, params);
  9534. bnx2x_cl45_write(bp, phy,
  9535. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9536. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9537. bnx2x_cl45_write(bp, phy,
  9538. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9539. bnx2x_ext_phy_set_pause(params, phy, vars);
  9540. /* Restart autoneg */
  9541. bnx2x_cl45_read(bp, phy,
  9542. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9543. val |= 0x200;
  9544. bnx2x_cl45_write(bp, phy,
  9545. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9546. /* Save spirom version */
  9547. bnx2x_cl45_read(bp, phy,
  9548. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9549. bnx2x_cl45_read(bp, phy,
  9550. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9551. bnx2x_save_spirom_version(bp, params->port,
  9552. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9553. return 0;
  9554. }
  9555. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9556. struct link_params *params,
  9557. struct link_vars *vars)
  9558. {
  9559. struct bnx2x *bp = params->bp;
  9560. u8 link_up;
  9561. u16 val1, val2;
  9562. bnx2x_cl45_read(bp, phy,
  9563. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9564. bnx2x_cl45_read(bp, phy,
  9565. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9566. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9567. val2, val1);
  9568. bnx2x_cl45_read(bp, phy,
  9569. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9570. bnx2x_cl45_read(bp, phy,
  9571. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9572. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9573. val2, val1);
  9574. link_up = ((val1 & 4) == 4);
  9575. /* If link is up print the AN outcome of the SFX7101 PHY */
  9576. if (link_up) {
  9577. bnx2x_cl45_read(bp, phy,
  9578. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9579. &val2);
  9580. vars->line_speed = SPEED_10000;
  9581. vars->duplex = DUPLEX_FULL;
  9582. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9583. val2, (val2 & (1<<14)));
  9584. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9585. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9586. /* Read LP advertised speeds */
  9587. if (val2 & (1<<11))
  9588. vars->link_status |=
  9589. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9590. }
  9591. return link_up;
  9592. }
  9593. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9594. {
  9595. if (*len < 5)
  9596. return -EINVAL;
  9597. str[0] = (spirom_ver & 0xFF);
  9598. str[1] = (spirom_ver & 0xFF00) >> 8;
  9599. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9600. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9601. str[4] = '\0';
  9602. *len -= 5;
  9603. return 0;
  9604. }
  9605. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9606. {
  9607. u16 val, cnt;
  9608. bnx2x_cl45_read(bp, phy,
  9609. MDIO_PMA_DEVAD,
  9610. MDIO_PMA_REG_7101_RESET, &val);
  9611. for (cnt = 0; cnt < 10; cnt++) {
  9612. msleep(50);
  9613. /* Writes a self-clearing reset */
  9614. bnx2x_cl45_write(bp, phy,
  9615. MDIO_PMA_DEVAD,
  9616. MDIO_PMA_REG_7101_RESET,
  9617. (val | (1<<15)));
  9618. /* Wait for clear */
  9619. bnx2x_cl45_read(bp, phy,
  9620. MDIO_PMA_DEVAD,
  9621. MDIO_PMA_REG_7101_RESET, &val);
  9622. if ((val & (1<<15)) == 0)
  9623. break;
  9624. }
  9625. }
  9626. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9627. struct link_params *params) {
  9628. /* Low power mode is controlled by GPIO 2 */
  9629. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9630. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9631. /* The PHY reset is controlled by GPIO 1 */
  9632. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9633. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9634. }
  9635. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9636. struct link_params *params, u8 mode)
  9637. {
  9638. u16 val = 0;
  9639. struct bnx2x *bp = params->bp;
  9640. switch (mode) {
  9641. case LED_MODE_FRONT_PANEL_OFF:
  9642. case LED_MODE_OFF:
  9643. val = 2;
  9644. break;
  9645. case LED_MODE_ON:
  9646. val = 1;
  9647. break;
  9648. case LED_MODE_OPER:
  9649. val = 0;
  9650. break;
  9651. }
  9652. bnx2x_cl45_write(bp, phy,
  9653. MDIO_PMA_DEVAD,
  9654. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9655. val);
  9656. }
  9657. /******************************************************************/
  9658. /* STATIC PHY DECLARATION */
  9659. /******************************************************************/
  9660. static struct bnx2x_phy phy_null = {
  9661. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9662. .addr = 0,
  9663. .def_md_devad = 0,
  9664. .flags = FLAGS_INIT_XGXS_FIRST,
  9665. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9666. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9667. .mdio_ctrl = 0,
  9668. .supported = 0,
  9669. .media_type = ETH_PHY_NOT_PRESENT,
  9670. .ver_addr = 0,
  9671. .req_flow_ctrl = 0,
  9672. .req_line_speed = 0,
  9673. .speed_cap_mask = 0,
  9674. .req_duplex = 0,
  9675. .rsrv = 0,
  9676. .config_init = (config_init_t)NULL,
  9677. .read_status = (read_status_t)NULL,
  9678. .link_reset = (link_reset_t)NULL,
  9679. .config_loopback = (config_loopback_t)NULL,
  9680. .format_fw_ver = (format_fw_ver_t)NULL,
  9681. .hw_reset = (hw_reset_t)NULL,
  9682. .set_link_led = (set_link_led_t)NULL,
  9683. .phy_specific_func = (phy_specific_func_t)NULL
  9684. };
  9685. static struct bnx2x_phy phy_serdes = {
  9686. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9687. .addr = 0xff,
  9688. .def_md_devad = 0,
  9689. .flags = 0,
  9690. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9691. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9692. .mdio_ctrl = 0,
  9693. .supported = (SUPPORTED_10baseT_Half |
  9694. SUPPORTED_10baseT_Full |
  9695. SUPPORTED_100baseT_Half |
  9696. SUPPORTED_100baseT_Full |
  9697. SUPPORTED_1000baseT_Full |
  9698. SUPPORTED_2500baseX_Full |
  9699. SUPPORTED_TP |
  9700. SUPPORTED_Autoneg |
  9701. SUPPORTED_Pause |
  9702. SUPPORTED_Asym_Pause),
  9703. .media_type = ETH_PHY_BASE_T,
  9704. .ver_addr = 0,
  9705. .req_flow_ctrl = 0,
  9706. .req_line_speed = 0,
  9707. .speed_cap_mask = 0,
  9708. .req_duplex = 0,
  9709. .rsrv = 0,
  9710. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9711. .read_status = (read_status_t)bnx2x_link_settings_status,
  9712. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9713. .config_loopback = (config_loopback_t)NULL,
  9714. .format_fw_ver = (format_fw_ver_t)NULL,
  9715. .hw_reset = (hw_reset_t)NULL,
  9716. .set_link_led = (set_link_led_t)NULL,
  9717. .phy_specific_func = (phy_specific_func_t)NULL
  9718. };
  9719. static struct bnx2x_phy phy_xgxs = {
  9720. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9721. .addr = 0xff,
  9722. .def_md_devad = 0,
  9723. .flags = 0,
  9724. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9725. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9726. .mdio_ctrl = 0,
  9727. .supported = (SUPPORTED_10baseT_Half |
  9728. SUPPORTED_10baseT_Full |
  9729. SUPPORTED_100baseT_Half |
  9730. SUPPORTED_100baseT_Full |
  9731. SUPPORTED_1000baseT_Full |
  9732. SUPPORTED_2500baseX_Full |
  9733. SUPPORTED_10000baseT_Full |
  9734. SUPPORTED_FIBRE |
  9735. SUPPORTED_Autoneg |
  9736. SUPPORTED_Pause |
  9737. SUPPORTED_Asym_Pause),
  9738. .media_type = ETH_PHY_CX4,
  9739. .ver_addr = 0,
  9740. .req_flow_ctrl = 0,
  9741. .req_line_speed = 0,
  9742. .speed_cap_mask = 0,
  9743. .req_duplex = 0,
  9744. .rsrv = 0,
  9745. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9746. .read_status = (read_status_t)bnx2x_link_settings_status,
  9747. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9748. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9749. .format_fw_ver = (format_fw_ver_t)NULL,
  9750. .hw_reset = (hw_reset_t)NULL,
  9751. .set_link_led = (set_link_led_t)NULL,
  9752. .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
  9753. };
  9754. static struct bnx2x_phy phy_warpcore = {
  9755. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9756. .addr = 0xff,
  9757. .def_md_devad = 0,
  9758. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9759. FLAGS_TX_ERROR_CHECK),
  9760. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9761. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9762. .mdio_ctrl = 0,
  9763. .supported = (SUPPORTED_10baseT_Half |
  9764. SUPPORTED_10baseT_Full |
  9765. SUPPORTED_100baseT_Half |
  9766. SUPPORTED_100baseT_Full |
  9767. SUPPORTED_1000baseT_Full |
  9768. SUPPORTED_10000baseT_Full |
  9769. SUPPORTED_20000baseKR2_Full |
  9770. SUPPORTED_20000baseMLD2_Full |
  9771. SUPPORTED_FIBRE |
  9772. SUPPORTED_Autoneg |
  9773. SUPPORTED_Pause |
  9774. SUPPORTED_Asym_Pause),
  9775. .media_type = ETH_PHY_UNSPECIFIED,
  9776. .ver_addr = 0,
  9777. .req_flow_ctrl = 0,
  9778. .req_line_speed = 0,
  9779. .speed_cap_mask = 0,
  9780. /* req_duplex = */0,
  9781. /* rsrv = */0,
  9782. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9783. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9784. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9785. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9786. .format_fw_ver = (format_fw_ver_t)NULL,
  9787. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9788. .set_link_led = (set_link_led_t)NULL,
  9789. .phy_specific_func = (phy_specific_func_t)NULL
  9790. };
  9791. static struct bnx2x_phy phy_7101 = {
  9792. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9793. .addr = 0xff,
  9794. .def_md_devad = 0,
  9795. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9796. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9797. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9798. .mdio_ctrl = 0,
  9799. .supported = (SUPPORTED_10000baseT_Full |
  9800. SUPPORTED_TP |
  9801. SUPPORTED_Autoneg |
  9802. SUPPORTED_Pause |
  9803. SUPPORTED_Asym_Pause),
  9804. .media_type = ETH_PHY_BASE_T,
  9805. .ver_addr = 0,
  9806. .req_flow_ctrl = 0,
  9807. .req_line_speed = 0,
  9808. .speed_cap_mask = 0,
  9809. .req_duplex = 0,
  9810. .rsrv = 0,
  9811. .config_init = (config_init_t)bnx2x_7101_config_init,
  9812. .read_status = (read_status_t)bnx2x_7101_read_status,
  9813. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9814. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9815. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9816. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9817. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9818. .phy_specific_func = (phy_specific_func_t)NULL
  9819. };
  9820. static struct bnx2x_phy phy_8073 = {
  9821. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9822. .addr = 0xff,
  9823. .def_md_devad = 0,
  9824. .flags = FLAGS_HW_LOCK_REQUIRED,
  9825. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9826. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9827. .mdio_ctrl = 0,
  9828. .supported = (SUPPORTED_10000baseT_Full |
  9829. SUPPORTED_2500baseX_Full |
  9830. SUPPORTED_1000baseT_Full |
  9831. SUPPORTED_FIBRE |
  9832. SUPPORTED_Autoneg |
  9833. SUPPORTED_Pause |
  9834. SUPPORTED_Asym_Pause),
  9835. .media_type = ETH_PHY_KR,
  9836. .ver_addr = 0,
  9837. .req_flow_ctrl = 0,
  9838. .req_line_speed = 0,
  9839. .speed_cap_mask = 0,
  9840. .req_duplex = 0,
  9841. .rsrv = 0,
  9842. .config_init = (config_init_t)bnx2x_8073_config_init,
  9843. .read_status = (read_status_t)bnx2x_8073_read_status,
  9844. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9845. .config_loopback = (config_loopback_t)NULL,
  9846. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9847. .hw_reset = (hw_reset_t)NULL,
  9848. .set_link_led = (set_link_led_t)NULL,
  9849. .phy_specific_func = (phy_specific_func_t)bnx2x_8073_specific_func
  9850. };
  9851. static struct bnx2x_phy phy_8705 = {
  9852. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9853. .addr = 0xff,
  9854. .def_md_devad = 0,
  9855. .flags = FLAGS_INIT_XGXS_FIRST,
  9856. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9857. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9858. .mdio_ctrl = 0,
  9859. .supported = (SUPPORTED_10000baseT_Full |
  9860. SUPPORTED_FIBRE |
  9861. SUPPORTED_Pause |
  9862. SUPPORTED_Asym_Pause),
  9863. .media_type = ETH_PHY_XFP_FIBER,
  9864. .ver_addr = 0,
  9865. .req_flow_ctrl = 0,
  9866. .req_line_speed = 0,
  9867. .speed_cap_mask = 0,
  9868. .req_duplex = 0,
  9869. .rsrv = 0,
  9870. .config_init = (config_init_t)bnx2x_8705_config_init,
  9871. .read_status = (read_status_t)bnx2x_8705_read_status,
  9872. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9873. .config_loopback = (config_loopback_t)NULL,
  9874. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9875. .hw_reset = (hw_reset_t)NULL,
  9876. .set_link_led = (set_link_led_t)NULL,
  9877. .phy_specific_func = (phy_specific_func_t)NULL
  9878. };
  9879. static struct bnx2x_phy phy_8706 = {
  9880. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9881. .addr = 0xff,
  9882. .def_md_devad = 0,
  9883. .flags = FLAGS_INIT_XGXS_FIRST,
  9884. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9885. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9886. .mdio_ctrl = 0,
  9887. .supported = (SUPPORTED_10000baseT_Full |
  9888. SUPPORTED_1000baseT_Full |
  9889. SUPPORTED_FIBRE |
  9890. SUPPORTED_Pause |
  9891. SUPPORTED_Asym_Pause),
  9892. .media_type = ETH_PHY_SFPP_10G_FIBER,
  9893. .ver_addr = 0,
  9894. .req_flow_ctrl = 0,
  9895. .req_line_speed = 0,
  9896. .speed_cap_mask = 0,
  9897. .req_duplex = 0,
  9898. .rsrv = 0,
  9899. .config_init = (config_init_t)bnx2x_8706_config_init,
  9900. .read_status = (read_status_t)bnx2x_8706_read_status,
  9901. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9902. .config_loopback = (config_loopback_t)NULL,
  9903. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9904. .hw_reset = (hw_reset_t)NULL,
  9905. .set_link_led = (set_link_led_t)NULL,
  9906. .phy_specific_func = (phy_specific_func_t)NULL
  9907. };
  9908. static struct bnx2x_phy phy_8726 = {
  9909. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9910. .addr = 0xff,
  9911. .def_md_devad = 0,
  9912. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9913. FLAGS_INIT_XGXS_FIRST |
  9914. FLAGS_TX_ERROR_CHECK),
  9915. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9916. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9917. .mdio_ctrl = 0,
  9918. .supported = (SUPPORTED_10000baseT_Full |
  9919. SUPPORTED_1000baseT_Full |
  9920. SUPPORTED_Autoneg |
  9921. SUPPORTED_FIBRE |
  9922. SUPPORTED_Pause |
  9923. SUPPORTED_Asym_Pause),
  9924. .media_type = ETH_PHY_NOT_PRESENT,
  9925. .ver_addr = 0,
  9926. .req_flow_ctrl = 0,
  9927. .req_line_speed = 0,
  9928. .speed_cap_mask = 0,
  9929. .req_duplex = 0,
  9930. .rsrv = 0,
  9931. .config_init = (config_init_t)bnx2x_8726_config_init,
  9932. .read_status = (read_status_t)bnx2x_8726_read_status,
  9933. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9934. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9935. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9936. .hw_reset = (hw_reset_t)NULL,
  9937. .set_link_led = (set_link_led_t)NULL,
  9938. .phy_specific_func = (phy_specific_func_t)NULL
  9939. };
  9940. static struct bnx2x_phy phy_8727 = {
  9941. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9942. .addr = 0xff,
  9943. .def_md_devad = 0,
  9944. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9945. FLAGS_TX_ERROR_CHECK),
  9946. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9947. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9948. .mdio_ctrl = 0,
  9949. .supported = (SUPPORTED_10000baseT_Full |
  9950. SUPPORTED_1000baseT_Full |
  9951. SUPPORTED_FIBRE |
  9952. SUPPORTED_Pause |
  9953. SUPPORTED_Asym_Pause),
  9954. .media_type = ETH_PHY_NOT_PRESENT,
  9955. .ver_addr = 0,
  9956. .req_flow_ctrl = 0,
  9957. .req_line_speed = 0,
  9958. .speed_cap_mask = 0,
  9959. .req_duplex = 0,
  9960. .rsrv = 0,
  9961. .config_init = (config_init_t)bnx2x_8727_config_init,
  9962. .read_status = (read_status_t)bnx2x_8727_read_status,
  9963. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9964. .config_loopback = (config_loopback_t)NULL,
  9965. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9966. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9967. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9968. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9969. };
  9970. static struct bnx2x_phy phy_8481 = {
  9971. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9972. .addr = 0xff,
  9973. .def_md_devad = 0,
  9974. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9975. FLAGS_REARM_LATCH_SIGNAL,
  9976. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9977. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9978. .mdio_ctrl = 0,
  9979. .supported = (SUPPORTED_10baseT_Half |
  9980. SUPPORTED_10baseT_Full |
  9981. SUPPORTED_100baseT_Half |
  9982. SUPPORTED_100baseT_Full |
  9983. SUPPORTED_1000baseT_Full |
  9984. SUPPORTED_10000baseT_Full |
  9985. SUPPORTED_TP |
  9986. SUPPORTED_Autoneg |
  9987. SUPPORTED_Pause |
  9988. SUPPORTED_Asym_Pause),
  9989. .media_type = ETH_PHY_BASE_T,
  9990. .ver_addr = 0,
  9991. .req_flow_ctrl = 0,
  9992. .req_line_speed = 0,
  9993. .speed_cap_mask = 0,
  9994. .req_duplex = 0,
  9995. .rsrv = 0,
  9996. .config_init = (config_init_t)bnx2x_8481_config_init,
  9997. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9998. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9999. .config_loopback = (config_loopback_t)NULL,
  10000. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10001. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  10002. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10003. .phy_specific_func = (phy_specific_func_t)NULL
  10004. };
  10005. static struct bnx2x_phy phy_84823 = {
  10006. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  10007. .addr = 0xff,
  10008. .def_md_devad = 0,
  10009. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10010. FLAGS_REARM_LATCH_SIGNAL |
  10011. FLAGS_TX_ERROR_CHECK),
  10012. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10013. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10014. .mdio_ctrl = 0,
  10015. .supported = (SUPPORTED_10baseT_Half |
  10016. SUPPORTED_10baseT_Full |
  10017. SUPPORTED_100baseT_Half |
  10018. SUPPORTED_100baseT_Full |
  10019. SUPPORTED_1000baseT_Full |
  10020. SUPPORTED_10000baseT_Full |
  10021. SUPPORTED_TP |
  10022. SUPPORTED_Autoneg |
  10023. SUPPORTED_Pause |
  10024. SUPPORTED_Asym_Pause),
  10025. .media_type = ETH_PHY_BASE_T,
  10026. .ver_addr = 0,
  10027. .req_flow_ctrl = 0,
  10028. .req_line_speed = 0,
  10029. .speed_cap_mask = 0,
  10030. .req_duplex = 0,
  10031. .rsrv = 0,
  10032. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10033. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10034. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10035. .config_loopback = (config_loopback_t)NULL,
  10036. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10037. .hw_reset = (hw_reset_t)NULL,
  10038. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10039. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10040. };
  10041. static struct bnx2x_phy phy_84833 = {
  10042. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  10043. .addr = 0xff,
  10044. .def_md_devad = 0,
  10045. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  10046. FLAGS_REARM_LATCH_SIGNAL |
  10047. FLAGS_TX_ERROR_CHECK),
  10048. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10049. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10050. .mdio_ctrl = 0,
  10051. .supported = (SUPPORTED_100baseT_Half |
  10052. SUPPORTED_100baseT_Full |
  10053. SUPPORTED_1000baseT_Full |
  10054. SUPPORTED_10000baseT_Full |
  10055. SUPPORTED_TP |
  10056. SUPPORTED_Autoneg |
  10057. SUPPORTED_Pause |
  10058. SUPPORTED_Asym_Pause),
  10059. .media_type = ETH_PHY_BASE_T,
  10060. .ver_addr = 0,
  10061. .req_flow_ctrl = 0,
  10062. .req_line_speed = 0,
  10063. .speed_cap_mask = 0,
  10064. .req_duplex = 0,
  10065. .rsrv = 0,
  10066. .config_init = (config_init_t)bnx2x_848x3_config_init,
  10067. .read_status = (read_status_t)bnx2x_848xx_read_status,
  10068. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  10069. .config_loopback = (config_loopback_t)NULL,
  10070. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  10071. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  10072. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  10073. .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
  10074. };
  10075. static struct bnx2x_phy phy_54618se = {
  10076. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  10077. .addr = 0xff,
  10078. .def_md_devad = 0,
  10079. .flags = FLAGS_INIT_XGXS_FIRST,
  10080. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10081. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  10082. .mdio_ctrl = 0,
  10083. .supported = (SUPPORTED_10baseT_Half |
  10084. SUPPORTED_10baseT_Full |
  10085. SUPPORTED_100baseT_Half |
  10086. SUPPORTED_100baseT_Full |
  10087. SUPPORTED_1000baseT_Full |
  10088. SUPPORTED_TP |
  10089. SUPPORTED_Autoneg |
  10090. SUPPORTED_Pause |
  10091. SUPPORTED_Asym_Pause),
  10092. .media_type = ETH_PHY_BASE_T,
  10093. .ver_addr = 0,
  10094. .req_flow_ctrl = 0,
  10095. .req_line_speed = 0,
  10096. .speed_cap_mask = 0,
  10097. /* req_duplex = */0,
  10098. /* rsrv = */0,
  10099. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10100. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10101. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10102. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10103. .format_fw_ver = (format_fw_ver_t)NULL,
  10104. .hw_reset = (hw_reset_t)NULL,
  10105. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10106. .phy_specific_func = (phy_specific_func_t)bnx2x_54618se_specific_func
  10107. };
  10108. /*****************************************************************/
  10109. /* */
  10110. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10111. /* */
  10112. /*****************************************************************/
  10113. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10114. struct bnx2x_phy *phy, u8 port,
  10115. u8 phy_index)
  10116. {
  10117. /* Get the 4 lanes xgxs config rx and tx */
  10118. u32 rx = 0, tx = 0, i;
  10119. for (i = 0; i < 2; i++) {
  10120. /* INT_PHY and EXT_PHY1 share the same value location in
  10121. * the shmem. When num_phys is greater than 1, than this value
  10122. * applies only to EXT_PHY1
  10123. */
  10124. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10125. rx = REG_RD(bp, shmem_base +
  10126. offsetof(struct shmem_region,
  10127. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10128. tx = REG_RD(bp, shmem_base +
  10129. offsetof(struct shmem_region,
  10130. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10131. } else {
  10132. rx = REG_RD(bp, shmem_base +
  10133. offsetof(struct shmem_region,
  10134. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10135. tx = REG_RD(bp, shmem_base +
  10136. offsetof(struct shmem_region,
  10137. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10138. }
  10139. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10140. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10141. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10142. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10143. }
  10144. }
  10145. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10146. u8 phy_index, u8 port)
  10147. {
  10148. u32 ext_phy_config = 0;
  10149. switch (phy_index) {
  10150. case EXT_PHY1:
  10151. ext_phy_config = REG_RD(bp, shmem_base +
  10152. offsetof(struct shmem_region,
  10153. dev_info.port_hw_config[port].external_phy_config));
  10154. break;
  10155. case EXT_PHY2:
  10156. ext_phy_config = REG_RD(bp, shmem_base +
  10157. offsetof(struct shmem_region,
  10158. dev_info.port_hw_config[port].external_phy_config2));
  10159. break;
  10160. default:
  10161. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10162. return -EINVAL;
  10163. }
  10164. return ext_phy_config;
  10165. }
  10166. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10167. struct bnx2x_phy *phy)
  10168. {
  10169. u32 phy_addr;
  10170. u32 chip_id;
  10171. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10172. offsetof(struct shmem_region,
  10173. dev_info.port_feature_config[port].link_config)) &
  10174. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10175. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10176. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10177. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10178. if (USES_WARPCORE(bp)) {
  10179. u32 serdes_net_if;
  10180. phy_addr = REG_RD(bp,
  10181. MISC_REG_WC0_CTRL_PHY_ADDR);
  10182. *phy = phy_warpcore;
  10183. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10184. phy->flags |= FLAGS_4_PORT_MODE;
  10185. else
  10186. phy->flags &= ~FLAGS_4_PORT_MODE;
  10187. /* Check Dual mode */
  10188. serdes_net_if = (REG_RD(bp, shmem_base +
  10189. offsetof(struct shmem_region, dev_info.
  10190. port_hw_config[port].default_cfg)) &
  10191. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10192. /* Set the appropriate supported and flags indications per
  10193. * interface type of the chip
  10194. */
  10195. switch (serdes_net_if) {
  10196. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10197. phy->supported &= (SUPPORTED_10baseT_Half |
  10198. SUPPORTED_10baseT_Full |
  10199. SUPPORTED_100baseT_Half |
  10200. SUPPORTED_100baseT_Full |
  10201. SUPPORTED_1000baseT_Full |
  10202. SUPPORTED_FIBRE |
  10203. SUPPORTED_Autoneg |
  10204. SUPPORTED_Pause |
  10205. SUPPORTED_Asym_Pause);
  10206. phy->media_type = ETH_PHY_BASE_T;
  10207. break;
  10208. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10209. phy->supported &= (SUPPORTED_1000baseT_Full |
  10210. SUPPORTED_10000baseT_Full |
  10211. SUPPORTED_FIBRE |
  10212. SUPPORTED_Pause |
  10213. SUPPORTED_Asym_Pause);
  10214. phy->media_type = ETH_PHY_XFP_FIBER;
  10215. break;
  10216. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10217. phy->supported &= (SUPPORTED_1000baseT_Full |
  10218. SUPPORTED_10000baseT_Full |
  10219. SUPPORTED_FIBRE |
  10220. SUPPORTED_Pause |
  10221. SUPPORTED_Asym_Pause);
  10222. phy->media_type = ETH_PHY_SFPP_10G_FIBER;
  10223. break;
  10224. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10225. phy->media_type = ETH_PHY_KR;
  10226. phy->supported &= (SUPPORTED_1000baseT_Full |
  10227. SUPPORTED_10000baseT_Full |
  10228. SUPPORTED_FIBRE |
  10229. SUPPORTED_Autoneg |
  10230. SUPPORTED_Pause |
  10231. SUPPORTED_Asym_Pause);
  10232. break;
  10233. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10234. phy->media_type = ETH_PHY_KR;
  10235. phy->flags |= FLAGS_WC_DUAL_MODE;
  10236. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10237. SUPPORTED_FIBRE |
  10238. SUPPORTED_Pause |
  10239. SUPPORTED_Asym_Pause);
  10240. break;
  10241. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10242. phy->media_type = ETH_PHY_KR;
  10243. phy->flags |= FLAGS_WC_DUAL_MODE;
  10244. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10245. SUPPORTED_FIBRE |
  10246. SUPPORTED_Pause |
  10247. SUPPORTED_Asym_Pause);
  10248. break;
  10249. default:
  10250. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10251. serdes_net_if);
  10252. break;
  10253. }
  10254. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10255. * was not set as expected. For B0, ECO will be enabled so there
  10256. * won't be an issue there
  10257. */
  10258. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10259. phy->flags |= FLAGS_MDC_MDIO_WA;
  10260. else
  10261. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10262. } else {
  10263. switch (switch_cfg) {
  10264. case SWITCH_CFG_1G:
  10265. phy_addr = REG_RD(bp,
  10266. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10267. port * 0x10);
  10268. *phy = phy_serdes;
  10269. break;
  10270. case SWITCH_CFG_10G:
  10271. phy_addr = REG_RD(bp,
  10272. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10273. port * 0x18);
  10274. *phy = phy_xgxs;
  10275. break;
  10276. default:
  10277. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10278. return -EINVAL;
  10279. }
  10280. }
  10281. phy->addr = (u8)phy_addr;
  10282. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10283. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10284. port);
  10285. if (CHIP_IS_E2(bp))
  10286. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10287. else
  10288. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10289. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10290. port, phy->addr, phy->mdio_ctrl);
  10291. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10292. return 0;
  10293. }
  10294. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10295. u8 phy_index,
  10296. u32 shmem_base,
  10297. u32 shmem2_base,
  10298. u8 port,
  10299. struct bnx2x_phy *phy)
  10300. {
  10301. u32 ext_phy_config, phy_type, config2;
  10302. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10303. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10304. phy_index, port);
  10305. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10306. /* Select the phy type */
  10307. switch (phy_type) {
  10308. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10309. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10310. *phy = phy_8073;
  10311. break;
  10312. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10313. *phy = phy_8705;
  10314. break;
  10315. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10316. *phy = phy_8706;
  10317. break;
  10318. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10319. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10320. *phy = phy_8726;
  10321. break;
  10322. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10323. /* BCM8727_NOC => BCM8727 no over current */
  10324. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10325. *phy = phy_8727;
  10326. phy->flags |= FLAGS_NOC;
  10327. break;
  10328. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10329. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10330. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10331. *phy = phy_8727;
  10332. break;
  10333. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10334. *phy = phy_8481;
  10335. break;
  10336. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10337. *phy = phy_84823;
  10338. break;
  10339. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10340. *phy = phy_84833;
  10341. break;
  10342. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10343. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10344. *phy = phy_54618se;
  10345. if (phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  10346. phy->flags |= FLAGS_EEE;
  10347. break;
  10348. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10349. *phy = phy_7101;
  10350. break;
  10351. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10352. *phy = phy_null;
  10353. return -EINVAL;
  10354. default:
  10355. *phy = phy_null;
  10356. /* In case external PHY wasn't found */
  10357. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10358. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10359. return -EINVAL;
  10360. return 0;
  10361. }
  10362. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10363. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10364. /* The shmem address of the phy version is located on different
  10365. * structures. In case this structure is too old, do not set
  10366. * the address
  10367. */
  10368. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10369. dev_info.shared_hw_config.config2));
  10370. if (phy_index == EXT_PHY1) {
  10371. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10372. port_mb[port].ext_phy_fw_version);
  10373. /* Check specific mdc mdio settings */
  10374. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10375. mdc_mdio_access = config2 &
  10376. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10377. } else {
  10378. u32 size = REG_RD(bp, shmem2_base);
  10379. if (size >
  10380. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10381. phy->ver_addr = shmem2_base +
  10382. offsetof(struct shmem2_region,
  10383. ext_phy_fw_version2[port]);
  10384. }
  10385. /* Check specific mdc mdio settings */
  10386. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10387. mdc_mdio_access = (config2 &
  10388. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10389. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10390. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10391. }
  10392. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10393. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10394. (phy->ver_addr)) {
  10395. /* Remove 100Mb link supported for BCM84833 when phy fw
  10396. * version lower than or equal to 1.39
  10397. */
  10398. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10399. if (((raw_ver & 0x7F) <= 39) &&
  10400. (((raw_ver & 0xF80) >> 7) <= 1))
  10401. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10402. SUPPORTED_100baseT_Full);
  10403. }
  10404. /* In case mdc/mdio_access of the external phy is different than the
  10405. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10406. * to prevent one port interfere with another port's CL45 operations.
  10407. */
  10408. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10409. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10410. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10411. phy_type, port, phy_index);
  10412. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10413. phy->addr, phy->mdio_ctrl);
  10414. return 0;
  10415. }
  10416. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10417. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10418. {
  10419. int status = 0;
  10420. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10421. if (phy_index == INT_PHY)
  10422. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10423. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10424. port, phy);
  10425. return status;
  10426. }
  10427. static void bnx2x_phy_def_cfg(struct link_params *params,
  10428. struct bnx2x_phy *phy,
  10429. u8 phy_index)
  10430. {
  10431. struct bnx2x *bp = params->bp;
  10432. u32 link_config;
  10433. /* Populate the default phy configuration for MF mode */
  10434. if (phy_index == EXT_PHY2) {
  10435. link_config = REG_RD(bp, params->shmem_base +
  10436. offsetof(struct shmem_region, dev_info.
  10437. port_feature_config[params->port].link_config2));
  10438. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10439. offsetof(struct shmem_region,
  10440. dev_info.
  10441. port_hw_config[params->port].speed_capability_mask2));
  10442. } else {
  10443. link_config = REG_RD(bp, params->shmem_base +
  10444. offsetof(struct shmem_region, dev_info.
  10445. port_feature_config[params->port].link_config));
  10446. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10447. offsetof(struct shmem_region,
  10448. dev_info.
  10449. port_hw_config[params->port].speed_capability_mask));
  10450. }
  10451. DP(NETIF_MSG_LINK,
  10452. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10453. phy_index, link_config, phy->speed_cap_mask);
  10454. phy->req_duplex = DUPLEX_FULL;
  10455. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10456. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10457. phy->req_duplex = DUPLEX_HALF;
  10458. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10459. phy->req_line_speed = SPEED_10;
  10460. break;
  10461. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10462. phy->req_duplex = DUPLEX_HALF;
  10463. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10464. phy->req_line_speed = SPEED_100;
  10465. break;
  10466. case PORT_FEATURE_LINK_SPEED_1G:
  10467. phy->req_line_speed = SPEED_1000;
  10468. break;
  10469. case PORT_FEATURE_LINK_SPEED_2_5G:
  10470. phy->req_line_speed = SPEED_2500;
  10471. break;
  10472. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10473. phy->req_line_speed = SPEED_10000;
  10474. break;
  10475. default:
  10476. phy->req_line_speed = SPEED_AUTO_NEG;
  10477. break;
  10478. }
  10479. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10480. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10481. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10482. break;
  10483. case PORT_FEATURE_FLOW_CONTROL_TX:
  10484. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10485. break;
  10486. case PORT_FEATURE_FLOW_CONTROL_RX:
  10487. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10488. break;
  10489. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10490. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10491. break;
  10492. default:
  10493. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10494. break;
  10495. }
  10496. }
  10497. u32 bnx2x_phy_selection(struct link_params *params)
  10498. {
  10499. u32 phy_config_swapped, prio_cfg;
  10500. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10501. phy_config_swapped = params->multi_phy_config &
  10502. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10503. prio_cfg = params->multi_phy_config &
  10504. PORT_HW_CFG_PHY_SELECTION_MASK;
  10505. if (phy_config_swapped) {
  10506. switch (prio_cfg) {
  10507. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10508. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10509. break;
  10510. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10511. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10512. break;
  10513. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10514. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10515. break;
  10516. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10517. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10518. break;
  10519. }
  10520. } else
  10521. return_cfg = prio_cfg;
  10522. return return_cfg;
  10523. }
  10524. int bnx2x_phy_probe(struct link_params *params)
  10525. {
  10526. u8 phy_index, actual_phy_idx;
  10527. u32 phy_config_swapped, sync_offset, media_types;
  10528. struct bnx2x *bp = params->bp;
  10529. struct bnx2x_phy *phy;
  10530. params->num_phys = 0;
  10531. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10532. phy_config_swapped = params->multi_phy_config &
  10533. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10534. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10535. phy_index++) {
  10536. actual_phy_idx = phy_index;
  10537. if (phy_config_swapped) {
  10538. if (phy_index == EXT_PHY1)
  10539. actual_phy_idx = EXT_PHY2;
  10540. else if (phy_index == EXT_PHY2)
  10541. actual_phy_idx = EXT_PHY1;
  10542. }
  10543. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10544. " actual_phy_idx %x\n", phy_config_swapped,
  10545. phy_index, actual_phy_idx);
  10546. phy = &params->phy[actual_phy_idx];
  10547. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10548. params->shmem2_base, params->port,
  10549. phy) != 0) {
  10550. params->num_phys = 0;
  10551. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10552. phy_index);
  10553. for (phy_index = INT_PHY;
  10554. phy_index < MAX_PHYS;
  10555. phy_index++)
  10556. *phy = phy_null;
  10557. return -EINVAL;
  10558. }
  10559. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10560. break;
  10561. if (params->feature_config_flags &
  10562. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10563. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10564. sync_offset = params->shmem_base +
  10565. offsetof(struct shmem_region,
  10566. dev_info.port_hw_config[params->port].media_type);
  10567. media_types = REG_RD(bp, sync_offset);
  10568. /* Update media type for non-PMF sync only for the first time
  10569. * In case the media type changes afterwards, it will be updated
  10570. * using the update_status function
  10571. */
  10572. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10573. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10574. actual_phy_idx))) == 0) {
  10575. media_types |= ((phy->media_type &
  10576. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10577. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10578. actual_phy_idx));
  10579. }
  10580. REG_WR(bp, sync_offset, media_types);
  10581. bnx2x_phy_def_cfg(params, phy, phy_index);
  10582. params->num_phys++;
  10583. }
  10584. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10585. return 0;
  10586. }
  10587. void bnx2x_init_bmac_loopback(struct link_params *params,
  10588. struct link_vars *vars)
  10589. {
  10590. struct bnx2x *bp = params->bp;
  10591. vars->link_up = 1;
  10592. vars->line_speed = SPEED_10000;
  10593. vars->duplex = DUPLEX_FULL;
  10594. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10595. vars->mac_type = MAC_TYPE_BMAC;
  10596. vars->phy_flags = PHY_XGXS_FLAG;
  10597. bnx2x_xgxs_deassert(params);
  10598. /* set bmac loopback */
  10599. bnx2x_bmac_enable(params, vars, 1, 1);
  10600. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10601. }
  10602. void bnx2x_init_emac_loopback(struct link_params *params,
  10603. struct link_vars *vars)
  10604. {
  10605. struct bnx2x *bp = params->bp;
  10606. vars->link_up = 1;
  10607. vars->line_speed = SPEED_1000;
  10608. vars->duplex = DUPLEX_FULL;
  10609. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10610. vars->mac_type = MAC_TYPE_EMAC;
  10611. vars->phy_flags = PHY_XGXS_FLAG;
  10612. bnx2x_xgxs_deassert(params);
  10613. /* set bmac loopback */
  10614. bnx2x_emac_enable(params, vars, 1);
  10615. bnx2x_emac_program(params, vars);
  10616. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10617. }
  10618. void bnx2x_init_xmac_loopback(struct link_params *params,
  10619. struct link_vars *vars)
  10620. {
  10621. struct bnx2x *bp = params->bp;
  10622. vars->link_up = 1;
  10623. if (!params->req_line_speed[0])
  10624. vars->line_speed = SPEED_10000;
  10625. else
  10626. vars->line_speed = params->req_line_speed[0];
  10627. vars->duplex = DUPLEX_FULL;
  10628. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10629. vars->mac_type = MAC_TYPE_XMAC;
  10630. vars->phy_flags = PHY_XGXS_FLAG;
  10631. /* Set WC to loopback mode since link is required to provide clock
  10632. * to the XMAC in 20G mode
  10633. */
  10634. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10635. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10636. params->phy[INT_PHY].config_loopback(
  10637. &params->phy[INT_PHY],
  10638. params);
  10639. bnx2x_xmac_enable(params, vars, 1);
  10640. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10641. }
  10642. void bnx2x_init_umac_loopback(struct link_params *params,
  10643. struct link_vars *vars)
  10644. {
  10645. struct bnx2x *bp = params->bp;
  10646. vars->link_up = 1;
  10647. vars->line_speed = SPEED_1000;
  10648. vars->duplex = DUPLEX_FULL;
  10649. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10650. vars->mac_type = MAC_TYPE_UMAC;
  10651. vars->phy_flags = PHY_XGXS_FLAG;
  10652. bnx2x_umac_enable(params, vars, 1);
  10653. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10654. }
  10655. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10656. struct link_vars *vars)
  10657. {
  10658. struct bnx2x *bp = params->bp;
  10659. vars->link_up = 1;
  10660. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10661. vars->duplex = DUPLEX_FULL;
  10662. if (params->req_line_speed[0] == SPEED_1000)
  10663. vars->line_speed = SPEED_1000;
  10664. else
  10665. vars->line_speed = SPEED_10000;
  10666. if (!USES_WARPCORE(bp))
  10667. bnx2x_xgxs_deassert(params);
  10668. bnx2x_link_initialize(params, vars);
  10669. if (params->req_line_speed[0] == SPEED_1000) {
  10670. if (USES_WARPCORE(bp))
  10671. bnx2x_umac_enable(params, vars, 0);
  10672. else {
  10673. bnx2x_emac_program(params, vars);
  10674. bnx2x_emac_enable(params, vars, 0);
  10675. }
  10676. } else {
  10677. if (USES_WARPCORE(bp))
  10678. bnx2x_xmac_enable(params, vars, 0);
  10679. else
  10680. bnx2x_bmac_enable(params, vars, 0, 1);
  10681. }
  10682. if (params->loopback_mode == LOOPBACK_XGXS) {
  10683. /* set 10G XGXS loopback */
  10684. params->phy[INT_PHY].config_loopback(
  10685. &params->phy[INT_PHY],
  10686. params);
  10687. } else {
  10688. /* set external phy loopback */
  10689. u8 phy_index;
  10690. for (phy_index = EXT_PHY1;
  10691. phy_index < params->num_phys; phy_index++) {
  10692. if (params->phy[phy_index].config_loopback)
  10693. params->phy[phy_index].config_loopback(
  10694. &params->phy[phy_index],
  10695. params);
  10696. }
  10697. }
  10698. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10699. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10700. }
  10701. static void bnx2x_set_rx_filter(struct link_params *params, u8 en)
  10702. {
  10703. struct bnx2x *bp = params->bp;
  10704. u8 val = en * 0x1F;
  10705. /* Open the gate between the NIG to the BRB */
  10706. if (!CHIP_IS_E1x(bp))
  10707. val |= en * 0x20;
  10708. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + params->port*4, val);
  10709. if (!CHIP_IS_E1(bp)) {
  10710. REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + params->port*4,
  10711. en*0x3);
  10712. }
  10713. REG_WR(bp, (params->port ? NIG_REG_LLH1_BRB1_NOT_MCP :
  10714. NIG_REG_LLH0_BRB1_NOT_MCP), en);
  10715. }
  10716. static int bnx2x_avoid_link_flap(struct link_params *params,
  10717. struct link_vars *vars)
  10718. {
  10719. u32 phy_idx;
  10720. u32 dont_clear_stat, lfa_sts;
  10721. struct bnx2x *bp = params->bp;
  10722. /* Sync the link parameters */
  10723. bnx2x_link_status_update(params, vars);
  10724. /*
  10725. * The module verification was already done by previous link owner,
  10726. * so this call is meant only to get warning message
  10727. */
  10728. for (phy_idx = INT_PHY; phy_idx < params->num_phys; phy_idx++) {
  10729. struct bnx2x_phy *phy = &params->phy[phy_idx];
  10730. if (phy->phy_specific_func) {
  10731. DP(NETIF_MSG_LINK, "Calling PHY specific func\n");
  10732. phy->phy_specific_func(phy, params, PHY_INIT);
  10733. }
  10734. if ((phy->media_type == ETH_PHY_SFPP_10G_FIBER) ||
  10735. (phy->media_type == ETH_PHY_SFP_1G_FIBER) ||
  10736. (phy->media_type == ETH_PHY_DA_TWINAX))
  10737. bnx2x_verify_sfp_module(phy, params);
  10738. }
  10739. lfa_sts = REG_RD(bp, params->lfa_base +
  10740. offsetof(struct shmem_lfa,
  10741. lfa_sts));
  10742. dont_clear_stat = lfa_sts & SHMEM_LFA_DONT_CLEAR_STAT;
  10743. /* Re-enable the NIG/MAC */
  10744. if (CHIP_IS_E3(bp)) {
  10745. if (!dont_clear_stat) {
  10746. REG_WR(bp, GRCBASE_MISC +
  10747. MISC_REGISTERS_RESET_REG_2_CLEAR,
  10748. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10749. params->port));
  10750. REG_WR(bp, GRCBASE_MISC +
  10751. MISC_REGISTERS_RESET_REG_2_SET,
  10752. (MISC_REGISTERS_RESET_REG_2_MSTAT0 <<
  10753. params->port));
  10754. }
  10755. if (vars->line_speed < SPEED_10000)
  10756. bnx2x_umac_enable(params, vars, 0);
  10757. else
  10758. bnx2x_xmac_enable(params, vars, 0);
  10759. } else {
  10760. if (vars->line_speed < SPEED_10000)
  10761. bnx2x_emac_enable(params, vars, 0);
  10762. else
  10763. bnx2x_bmac_enable(params, vars, 0, !dont_clear_stat);
  10764. }
  10765. /* Increment LFA count */
  10766. lfa_sts = ((lfa_sts & ~LINK_FLAP_AVOIDANCE_COUNT_MASK) |
  10767. (((((lfa_sts & LINK_FLAP_AVOIDANCE_COUNT_MASK) >>
  10768. LINK_FLAP_AVOIDANCE_COUNT_OFFSET) + 1) & 0xff)
  10769. << LINK_FLAP_AVOIDANCE_COUNT_OFFSET));
  10770. /* Clear link flap reason */
  10771. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10772. REG_WR(bp, params->lfa_base +
  10773. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10774. /* Disable NIG DRAIN */
  10775. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10776. /* Enable interrupts */
  10777. bnx2x_link_int_enable(params);
  10778. return 0;
  10779. }
  10780. static void bnx2x_cannot_avoid_link_flap(struct link_params *params,
  10781. struct link_vars *vars,
  10782. int lfa_status)
  10783. {
  10784. u32 lfa_sts, cfg_idx, tmp_val;
  10785. struct bnx2x *bp = params->bp;
  10786. bnx2x_link_reset(params, vars, 1);
  10787. if (!params->lfa_base)
  10788. return;
  10789. /* Store the new link parameters */
  10790. REG_WR(bp, params->lfa_base +
  10791. offsetof(struct shmem_lfa, req_duplex),
  10792. params->req_duplex[0] | (params->req_duplex[1] << 16));
  10793. REG_WR(bp, params->lfa_base +
  10794. offsetof(struct shmem_lfa, req_flow_ctrl),
  10795. params->req_flow_ctrl[0] | (params->req_flow_ctrl[1] << 16));
  10796. REG_WR(bp, params->lfa_base +
  10797. offsetof(struct shmem_lfa, req_line_speed),
  10798. params->req_line_speed[0] | (params->req_line_speed[1] << 16));
  10799. for (cfg_idx = 0; cfg_idx < SHMEM_LINK_CONFIG_SIZE; cfg_idx++) {
  10800. REG_WR(bp, params->lfa_base +
  10801. offsetof(struct shmem_lfa,
  10802. speed_cap_mask[cfg_idx]),
  10803. params->speed_cap_mask[cfg_idx]);
  10804. }
  10805. tmp_val = REG_RD(bp, params->lfa_base +
  10806. offsetof(struct shmem_lfa, additional_config));
  10807. tmp_val &= ~REQ_FC_AUTO_ADV_MASK;
  10808. tmp_val |= params->req_fc_auto_adv;
  10809. REG_WR(bp, params->lfa_base +
  10810. offsetof(struct shmem_lfa, additional_config), tmp_val);
  10811. lfa_sts = REG_RD(bp, params->lfa_base +
  10812. offsetof(struct shmem_lfa, lfa_sts));
  10813. /* Clear the "Don't Clear Statistics" bit, and set reason */
  10814. lfa_sts &= ~SHMEM_LFA_DONT_CLEAR_STAT;
  10815. /* Set link flap reason */
  10816. lfa_sts &= ~LFA_LINK_FLAP_REASON_MASK;
  10817. lfa_sts |= ((lfa_status & LFA_LINK_FLAP_REASON_MASK) <<
  10818. LFA_LINK_FLAP_REASON_OFFSET);
  10819. /* Increment link flap counter */
  10820. lfa_sts = ((lfa_sts & ~LINK_FLAP_COUNT_MASK) |
  10821. (((((lfa_sts & LINK_FLAP_COUNT_MASK) >>
  10822. LINK_FLAP_COUNT_OFFSET) + 1) & 0xff)
  10823. << LINK_FLAP_COUNT_OFFSET));
  10824. REG_WR(bp, params->lfa_base +
  10825. offsetof(struct shmem_lfa, lfa_sts), lfa_sts);
  10826. /* Proceed with regular link initialization */
  10827. }
  10828. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10829. {
  10830. int lfa_status;
  10831. struct bnx2x *bp = params->bp;
  10832. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10833. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10834. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10835. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10836. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10837. vars->link_status = 0;
  10838. vars->phy_link_up = 0;
  10839. vars->link_up = 0;
  10840. vars->line_speed = 0;
  10841. vars->duplex = DUPLEX_FULL;
  10842. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10843. vars->mac_type = MAC_TYPE_NONE;
  10844. vars->phy_flags = 0;
  10845. /* Driver opens NIG-BRB filters */
  10846. bnx2x_set_rx_filter(params, 1);
  10847. /* Check if link flap can be avoided */
  10848. lfa_status = bnx2x_check_lfa(params);
  10849. if (lfa_status == 0) {
  10850. DP(NETIF_MSG_LINK, "Link Flap Avoidance in progress\n");
  10851. return bnx2x_avoid_link_flap(params, vars);
  10852. }
  10853. DP(NETIF_MSG_LINK, "Cannot avoid link flap lfa_sta=0x%x\n",
  10854. lfa_status);
  10855. bnx2x_cannot_avoid_link_flap(params, vars, lfa_status);
  10856. /* Disable attentions */
  10857. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10858. (NIG_MASK_XGXS0_LINK_STATUS |
  10859. NIG_MASK_XGXS0_LINK10G |
  10860. NIG_MASK_SERDES0_LINK_STATUS |
  10861. NIG_MASK_MI_INT));
  10862. bnx2x_emac_init(params, vars);
  10863. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10864. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10865. if (params->num_phys == 0) {
  10866. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10867. return -EINVAL;
  10868. }
  10869. set_phy_vars(params, vars);
  10870. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10871. switch (params->loopback_mode) {
  10872. case LOOPBACK_BMAC:
  10873. bnx2x_init_bmac_loopback(params, vars);
  10874. break;
  10875. case LOOPBACK_EMAC:
  10876. bnx2x_init_emac_loopback(params, vars);
  10877. break;
  10878. case LOOPBACK_XMAC:
  10879. bnx2x_init_xmac_loopback(params, vars);
  10880. break;
  10881. case LOOPBACK_UMAC:
  10882. bnx2x_init_umac_loopback(params, vars);
  10883. break;
  10884. case LOOPBACK_XGXS:
  10885. case LOOPBACK_EXT_PHY:
  10886. bnx2x_init_xgxs_loopback(params, vars);
  10887. break;
  10888. default:
  10889. if (!CHIP_IS_E3(bp)) {
  10890. if (params->switch_cfg == SWITCH_CFG_10G)
  10891. bnx2x_xgxs_deassert(params);
  10892. else
  10893. bnx2x_serdes_deassert(bp, params->port);
  10894. }
  10895. bnx2x_link_initialize(params, vars);
  10896. msleep(30);
  10897. bnx2x_link_int_enable(params);
  10898. break;
  10899. }
  10900. bnx2x_update_mng(params, vars->link_status);
  10901. bnx2x_update_mng_eee(params, vars->eee_status);
  10902. return 0;
  10903. }
  10904. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10905. u8 reset_ext_phy)
  10906. {
  10907. struct bnx2x *bp = params->bp;
  10908. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10909. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10910. /* Disable attentions */
  10911. vars->link_status = 0;
  10912. bnx2x_update_mng(params, vars->link_status);
  10913. vars->eee_status &= ~(SHMEM_EEE_LP_ADV_STATUS_MASK |
  10914. SHMEM_EEE_ACTIVE_BIT);
  10915. bnx2x_update_mng_eee(params, vars->eee_status);
  10916. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10917. (NIG_MASK_XGXS0_LINK_STATUS |
  10918. NIG_MASK_XGXS0_LINK10G |
  10919. NIG_MASK_SERDES0_LINK_STATUS |
  10920. NIG_MASK_MI_INT));
  10921. /* Activate nig drain */
  10922. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10923. /* Disable nig egress interface */
  10924. if (!CHIP_IS_E3(bp)) {
  10925. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10926. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10927. }
  10928. if (!CHIP_IS_E3(bp)) {
  10929. bnx2x_set_bmac_rx(bp, params->chip_id, port, 0);
  10930. } else {
  10931. bnx2x_set_xmac_rxtx(params, 0);
  10932. bnx2x_set_umac_rxtx(params, 0);
  10933. }
  10934. /* Disable emac */
  10935. if (!CHIP_IS_E3(bp))
  10936. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10937. usleep_range(10000, 20000);
  10938. /* The PHY reset is controlled by GPIO 1
  10939. * Hold it as vars low
  10940. */
  10941. /* Clear link led */
  10942. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10943. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10944. if (reset_ext_phy) {
  10945. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10946. phy_index++) {
  10947. if (params->phy[phy_index].link_reset) {
  10948. bnx2x_set_aer_mmd(params,
  10949. &params->phy[phy_index]);
  10950. params->phy[phy_index].link_reset(
  10951. &params->phy[phy_index],
  10952. params);
  10953. }
  10954. if (params->phy[phy_index].flags &
  10955. FLAGS_REARM_LATCH_SIGNAL)
  10956. clear_latch_ind = 1;
  10957. }
  10958. }
  10959. if (clear_latch_ind) {
  10960. /* Clear latching indication */
  10961. bnx2x_rearm_latch_signal(bp, port, 0);
  10962. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10963. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10964. }
  10965. if (params->phy[INT_PHY].link_reset)
  10966. params->phy[INT_PHY].link_reset(
  10967. &params->phy[INT_PHY], params);
  10968. /* Disable nig ingress interface */
  10969. if (!CHIP_IS_E3(bp)) {
  10970. /* Reset BigMac */
  10971. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10972. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10973. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10974. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10975. } else {
  10976. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10977. bnx2x_set_xumac_nig(params, 0, 0);
  10978. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10979. MISC_REGISTERS_RESET_REG_2_XMAC)
  10980. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10981. XMAC_CTRL_REG_SOFT_RESET);
  10982. }
  10983. vars->link_up = 0;
  10984. vars->phy_flags = 0;
  10985. return 0;
  10986. }
  10987. int bnx2x_lfa_reset(struct link_params *params,
  10988. struct link_vars *vars)
  10989. {
  10990. struct bnx2x *bp = params->bp;
  10991. vars->link_up = 0;
  10992. vars->phy_flags = 0;
  10993. if (!params->lfa_base)
  10994. return bnx2x_link_reset(params, vars, 1);
  10995. /*
  10996. * Activate NIG drain so that during this time the device won't send
  10997. * anything while it is unable to response.
  10998. */
  10999. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11000. /*
  11001. * Close gracefully the gate from BMAC to NIG such that no half packets
  11002. * are passed.
  11003. */
  11004. if (!CHIP_IS_E3(bp))
  11005. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 0);
  11006. if (CHIP_IS_E3(bp)) {
  11007. bnx2x_set_xmac_rxtx(params, 0);
  11008. bnx2x_set_umac_rxtx(params, 0);
  11009. }
  11010. /* Wait 10ms for the pipe to clean up*/
  11011. usleep_range(10000, 20000);
  11012. /* Clean the NIG-BRB using the network filters in a way that will
  11013. * not cut a packet in the middle.
  11014. */
  11015. bnx2x_set_rx_filter(params, 0);
  11016. /*
  11017. * Re-open the gate between the BMAC and the NIG, after verifying the
  11018. * gate to the BRB is closed, otherwise packets may arrive to the
  11019. * firmware before driver had initialized it. The target is to achieve
  11020. * minimum management protocol down time.
  11021. */
  11022. if (!CHIP_IS_E3(bp))
  11023. bnx2x_set_bmac_rx(bp, params->chip_id, params->port, 1);
  11024. if (CHIP_IS_E3(bp)) {
  11025. bnx2x_set_xmac_rxtx(params, 1);
  11026. bnx2x_set_umac_rxtx(params, 1);
  11027. }
  11028. /* Disable NIG drain */
  11029. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11030. return 0;
  11031. }
  11032. /****************************************************************************/
  11033. /* Common function */
  11034. /****************************************************************************/
  11035. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  11036. u32 shmem_base_path[],
  11037. u32 shmem2_base_path[], u8 phy_index,
  11038. u32 chip_id)
  11039. {
  11040. struct bnx2x_phy phy[PORT_MAX];
  11041. struct bnx2x_phy *phy_blk[PORT_MAX];
  11042. u16 val;
  11043. s8 port = 0;
  11044. s8 port_of_path = 0;
  11045. u32 swap_val, swap_override;
  11046. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11047. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11048. port ^= (swap_val && swap_override);
  11049. bnx2x_ext_phy_hw_reset(bp, port);
  11050. /* PART1 - Reset both phys */
  11051. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11052. u32 shmem_base, shmem2_base;
  11053. /* In E2, same phy is using for port0 of the two paths */
  11054. if (CHIP_IS_E1x(bp)) {
  11055. shmem_base = shmem_base_path[0];
  11056. shmem2_base = shmem2_base_path[0];
  11057. port_of_path = port;
  11058. } else {
  11059. shmem_base = shmem_base_path[port];
  11060. shmem2_base = shmem2_base_path[port];
  11061. port_of_path = 0;
  11062. }
  11063. /* Extract the ext phy address for the port */
  11064. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11065. port_of_path, &phy[port]) !=
  11066. 0) {
  11067. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11068. return -EINVAL;
  11069. }
  11070. /* Disable attentions */
  11071. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11072. port_of_path*4,
  11073. (NIG_MASK_XGXS0_LINK_STATUS |
  11074. NIG_MASK_XGXS0_LINK10G |
  11075. NIG_MASK_SERDES0_LINK_STATUS |
  11076. NIG_MASK_MI_INT));
  11077. /* Need to take the phy out of low power mode in order
  11078. * to write to access its registers
  11079. */
  11080. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11081. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11082. port);
  11083. /* Reset the phy */
  11084. bnx2x_cl45_write(bp, &phy[port],
  11085. MDIO_PMA_DEVAD,
  11086. MDIO_PMA_REG_CTRL,
  11087. 1<<15);
  11088. }
  11089. /* Add delay of 150ms after reset */
  11090. msleep(150);
  11091. if (phy[PORT_0].addr & 0x1) {
  11092. phy_blk[PORT_0] = &(phy[PORT_1]);
  11093. phy_blk[PORT_1] = &(phy[PORT_0]);
  11094. } else {
  11095. phy_blk[PORT_0] = &(phy[PORT_0]);
  11096. phy_blk[PORT_1] = &(phy[PORT_1]);
  11097. }
  11098. /* PART2 - Download firmware to both phys */
  11099. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11100. if (CHIP_IS_E1x(bp))
  11101. port_of_path = port;
  11102. else
  11103. port_of_path = 0;
  11104. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11105. phy_blk[port]->addr);
  11106. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11107. port_of_path))
  11108. return -EINVAL;
  11109. /* Only set bit 10 = 1 (Tx power down) */
  11110. bnx2x_cl45_read(bp, phy_blk[port],
  11111. MDIO_PMA_DEVAD,
  11112. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11113. /* Phase1 of TX_POWER_DOWN reset */
  11114. bnx2x_cl45_write(bp, phy_blk[port],
  11115. MDIO_PMA_DEVAD,
  11116. MDIO_PMA_REG_TX_POWER_DOWN,
  11117. (val | 1<<10));
  11118. }
  11119. /* Toggle Transmitter: Power down and then up with 600ms delay
  11120. * between
  11121. */
  11122. msleep(600);
  11123. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  11124. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11125. /* Phase2 of POWER_DOWN_RESET */
  11126. /* Release bit 10 (Release Tx power down) */
  11127. bnx2x_cl45_read(bp, phy_blk[port],
  11128. MDIO_PMA_DEVAD,
  11129. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  11130. bnx2x_cl45_write(bp, phy_blk[port],
  11131. MDIO_PMA_DEVAD,
  11132. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  11133. usleep_range(15000, 30000);
  11134. /* Read modify write the SPI-ROM version select register */
  11135. bnx2x_cl45_read(bp, phy_blk[port],
  11136. MDIO_PMA_DEVAD,
  11137. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  11138. bnx2x_cl45_write(bp, phy_blk[port],
  11139. MDIO_PMA_DEVAD,
  11140. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  11141. /* set GPIO2 back to LOW */
  11142. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  11143. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  11144. }
  11145. return 0;
  11146. }
  11147. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  11148. u32 shmem_base_path[],
  11149. u32 shmem2_base_path[], u8 phy_index,
  11150. u32 chip_id)
  11151. {
  11152. u32 val;
  11153. s8 port;
  11154. struct bnx2x_phy phy;
  11155. /* Use port1 because of the static port-swap */
  11156. /* Enable the module detection interrupt */
  11157. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11158. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  11159. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  11160. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11161. bnx2x_ext_phy_hw_reset(bp, 0);
  11162. usleep_range(5000, 10000);
  11163. for (port = 0; port < PORT_MAX; port++) {
  11164. u32 shmem_base, shmem2_base;
  11165. /* In E2, same phy is using for port0 of the two paths */
  11166. if (CHIP_IS_E1x(bp)) {
  11167. shmem_base = shmem_base_path[0];
  11168. shmem2_base = shmem2_base_path[0];
  11169. } else {
  11170. shmem_base = shmem_base_path[port];
  11171. shmem2_base = shmem2_base_path[port];
  11172. }
  11173. /* Extract the ext phy address for the port */
  11174. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11175. port, &phy) !=
  11176. 0) {
  11177. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11178. return -EINVAL;
  11179. }
  11180. /* Reset phy*/
  11181. bnx2x_cl45_write(bp, &phy,
  11182. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  11183. /* Set fault module detected LED on */
  11184. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  11185. MISC_REGISTERS_GPIO_HIGH,
  11186. port);
  11187. }
  11188. return 0;
  11189. }
  11190. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  11191. u8 *io_gpio, u8 *io_port)
  11192. {
  11193. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  11194. offsetof(struct shmem_region,
  11195. dev_info.port_hw_config[PORT_0].default_cfg));
  11196. switch (phy_gpio_reset) {
  11197. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  11198. *io_gpio = 0;
  11199. *io_port = 0;
  11200. break;
  11201. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  11202. *io_gpio = 1;
  11203. *io_port = 0;
  11204. break;
  11205. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  11206. *io_gpio = 2;
  11207. *io_port = 0;
  11208. break;
  11209. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  11210. *io_gpio = 3;
  11211. *io_port = 0;
  11212. break;
  11213. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  11214. *io_gpio = 0;
  11215. *io_port = 1;
  11216. break;
  11217. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  11218. *io_gpio = 1;
  11219. *io_port = 1;
  11220. break;
  11221. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  11222. *io_gpio = 2;
  11223. *io_port = 1;
  11224. break;
  11225. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  11226. *io_gpio = 3;
  11227. *io_port = 1;
  11228. break;
  11229. default:
  11230. /* Don't override the io_gpio and io_port */
  11231. break;
  11232. }
  11233. }
  11234. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  11235. u32 shmem_base_path[],
  11236. u32 shmem2_base_path[], u8 phy_index,
  11237. u32 chip_id)
  11238. {
  11239. s8 port, reset_gpio;
  11240. u32 swap_val, swap_override;
  11241. struct bnx2x_phy phy[PORT_MAX];
  11242. struct bnx2x_phy *phy_blk[PORT_MAX];
  11243. s8 port_of_path;
  11244. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11245. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11246. reset_gpio = MISC_REGISTERS_GPIO_1;
  11247. port = 1;
  11248. /* Retrieve the reset gpio/port which control the reset.
  11249. * Default is GPIO1, PORT1
  11250. */
  11251. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  11252. (u8 *)&reset_gpio, (u8 *)&port);
  11253. /* Calculate the port based on port swap */
  11254. port ^= (swap_val && swap_override);
  11255. /* Initiate PHY reset*/
  11256. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  11257. port);
  11258. usleep_range(1000, 2000);
  11259. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  11260. port);
  11261. usleep_range(5000, 10000);
  11262. /* PART1 - Reset both phys */
  11263. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11264. u32 shmem_base, shmem2_base;
  11265. /* In E2, same phy is using for port0 of the two paths */
  11266. if (CHIP_IS_E1x(bp)) {
  11267. shmem_base = shmem_base_path[0];
  11268. shmem2_base = shmem2_base_path[0];
  11269. port_of_path = port;
  11270. } else {
  11271. shmem_base = shmem_base_path[port];
  11272. shmem2_base = shmem2_base_path[port];
  11273. port_of_path = 0;
  11274. }
  11275. /* Extract the ext phy address for the port */
  11276. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11277. port_of_path, &phy[port]) !=
  11278. 0) {
  11279. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11280. return -EINVAL;
  11281. }
  11282. /* disable attentions */
  11283. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  11284. port_of_path*4,
  11285. (NIG_MASK_XGXS0_LINK_STATUS |
  11286. NIG_MASK_XGXS0_LINK10G |
  11287. NIG_MASK_SERDES0_LINK_STATUS |
  11288. NIG_MASK_MI_INT));
  11289. /* Reset the phy */
  11290. bnx2x_cl45_write(bp, &phy[port],
  11291. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11292. }
  11293. /* Add delay of 150ms after reset */
  11294. msleep(150);
  11295. if (phy[PORT_0].addr & 0x1) {
  11296. phy_blk[PORT_0] = &(phy[PORT_1]);
  11297. phy_blk[PORT_1] = &(phy[PORT_0]);
  11298. } else {
  11299. phy_blk[PORT_0] = &(phy[PORT_0]);
  11300. phy_blk[PORT_1] = &(phy[PORT_1]);
  11301. }
  11302. /* PART2 - Download firmware to both phys */
  11303. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11304. if (CHIP_IS_E1x(bp))
  11305. port_of_path = port;
  11306. else
  11307. port_of_path = 0;
  11308. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11309. phy_blk[port]->addr);
  11310. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11311. port_of_path))
  11312. return -EINVAL;
  11313. /* Disable PHY transmitter output */
  11314. bnx2x_cl45_write(bp, phy_blk[port],
  11315. MDIO_PMA_DEVAD,
  11316. MDIO_PMA_REG_TX_DISABLE, 1);
  11317. }
  11318. return 0;
  11319. }
  11320. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11321. u32 shmem_base_path[],
  11322. u32 shmem2_base_path[],
  11323. u8 phy_index,
  11324. u32 chip_id)
  11325. {
  11326. u8 reset_gpios;
  11327. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11328. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11329. udelay(10);
  11330. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11331. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11332. reset_gpios);
  11333. return 0;
  11334. }
  11335. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11336. struct bnx2x_phy *phy)
  11337. {
  11338. u16 val, cnt;
  11339. /* Wait for FW completing its initialization. */
  11340. for (cnt = 0; cnt < 1500; cnt++) {
  11341. bnx2x_cl45_read(bp, phy,
  11342. MDIO_PMA_DEVAD,
  11343. MDIO_PMA_REG_CTRL, &val);
  11344. if (!(val & (1<<15)))
  11345. break;
  11346. usleep_range(1000, 2000);
  11347. }
  11348. if (cnt >= 1500) {
  11349. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11350. return -EINVAL;
  11351. }
  11352. /* Put the port in super isolate mode. */
  11353. bnx2x_cl45_read(bp, phy,
  11354. MDIO_CTL_DEVAD,
  11355. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11356. val |= MDIO_84833_SUPER_ISOLATE;
  11357. bnx2x_cl45_write(bp, phy,
  11358. MDIO_CTL_DEVAD,
  11359. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11360. /* Save spirom version */
  11361. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11362. return 0;
  11363. }
  11364. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11365. u32 shmem_base,
  11366. u32 shmem2_base,
  11367. u32 chip_id)
  11368. {
  11369. int rc = 0;
  11370. struct bnx2x_phy phy;
  11371. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11372. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11373. PORT_0, &phy)) {
  11374. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11375. return -EINVAL;
  11376. }
  11377. switch (phy.type) {
  11378. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11379. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11380. break;
  11381. default:
  11382. break;
  11383. }
  11384. return rc;
  11385. }
  11386. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11387. u32 shmem2_base_path[], u8 phy_index,
  11388. u32 ext_phy_type, u32 chip_id)
  11389. {
  11390. int rc = 0;
  11391. switch (ext_phy_type) {
  11392. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11393. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11394. shmem2_base_path,
  11395. phy_index, chip_id);
  11396. break;
  11397. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11398. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11399. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11400. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11401. shmem2_base_path,
  11402. phy_index, chip_id);
  11403. break;
  11404. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11405. /* GPIO1 affects both ports, so there's need to pull
  11406. * it for single port alone
  11407. */
  11408. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11409. shmem2_base_path,
  11410. phy_index, chip_id);
  11411. break;
  11412. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11413. /* GPIO3's are linked, and so both need to be toggled
  11414. * to obtain required 2us pulse.
  11415. */
  11416. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11417. shmem2_base_path,
  11418. phy_index, chip_id);
  11419. break;
  11420. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11421. rc = -EINVAL;
  11422. break;
  11423. default:
  11424. DP(NETIF_MSG_LINK,
  11425. "ext_phy 0x%x common init not required\n",
  11426. ext_phy_type);
  11427. break;
  11428. }
  11429. if (rc)
  11430. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11431. " Port %d\n",
  11432. 0);
  11433. return rc;
  11434. }
  11435. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11436. u32 shmem2_base_path[], u32 chip_id)
  11437. {
  11438. int rc = 0;
  11439. u32 phy_ver, val;
  11440. u8 phy_index = 0;
  11441. u32 ext_phy_type, ext_phy_config;
  11442. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11443. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11444. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11445. if (CHIP_IS_E3(bp)) {
  11446. /* Enable EPIO */
  11447. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11448. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11449. }
  11450. /* Check if common init was already done */
  11451. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11452. offsetof(struct shmem_region,
  11453. port_mb[PORT_0].ext_phy_fw_version));
  11454. if (phy_ver) {
  11455. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11456. phy_ver);
  11457. return 0;
  11458. }
  11459. /* Read the ext_phy_type for arbitrary port(0) */
  11460. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11461. phy_index++) {
  11462. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11463. shmem_base_path[0],
  11464. phy_index, 0);
  11465. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11466. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11467. shmem2_base_path,
  11468. phy_index, ext_phy_type,
  11469. chip_id);
  11470. }
  11471. return rc;
  11472. }
  11473. static void bnx2x_check_over_curr(struct link_params *params,
  11474. struct link_vars *vars)
  11475. {
  11476. struct bnx2x *bp = params->bp;
  11477. u32 cfg_pin;
  11478. u8 port = params->port;
  11479. u32 pin_val;
  11480. cfg_pin = (REG_RD(bp, params->shmem_base +
  11481. offsetof(struct shmem_region,
  11482. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11483. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11484. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11485. /* Ignore check if no external input PIN available */
  11486. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11487. return;
  11488. if (!pin_val) {
  11489. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11490. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11491. " been detected and the power to "
  11492. "that SFP+ module has been removed"
  11493. " to prevent failure of the card."
  11494. " Please remove the SFP+ module and"
  11495. " restart the system to clear this"
  11496. " error.\n",
  11497. params->port);
  11498. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11499. }
  11500. } else
  11501. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11502. }
  11503. /* Returns 0 if no change occured since last check; 1 otherwise. */
  11504. static u8 bnx2x_analyze_link_error(struct link_params *params,
  11505. struct link_vars *vars, u32 status,
  11506. u32 phy_flag, u32 link_flag, u8 notify)
  11507. {
  11508. struct bnx2x *bp = params->bp;
  11509. /* Compare new value with previous value */
  11510. u8 led_mode;
  11511. u32 old_status = (vars->phy_flags & phy_flag) ? 1 : 0;
  11512. if ((status ^ old_status) == 0)
  11513. return 0;
  11514. /* If values differ */
  11515. switch (phy_flag) {
  11516. case PHY_HALF_OPEN_CONN_FLAG:
  11517. DP(NETIF_MSG_LINK, "Analyze Remote Fault\n");
  11518. break;
  11519. case PHY_SFP_TX_FAULT_FLAG:
  11520. DP(NETIF_MSG_LINK, "Analyze TX Fault\n");
  11521. break;
  11522. default:
  11523. DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n");
  11524. }
  11525. DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up,
  11526. old_status, status);
  11527. /* a. Update shmem->link_status accordingly
  11528. * b. Update link_vars->link_up
  11529. */
  11530. if (status) {
  11531. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11532. vars->link_status |= link_flag;
  11533. vars->link_up = 0;
  11534. vars->phy_flags |= phy_flag;
  11535. /* activate nig drain */
  11536. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11537. /* Set LED mode to off since the PHY doesn't know about these
  11538. * errors
  11539. */
  11540. led_mode = LED_MODE_OFF;
  11541. } else {
  11542. vars->link_status |= LINK_STATUS_LINK_UP;
  11543. vars->link_status &= ~link_flag;
  11544. vars->link_up = 1;
  11545. vars->phy_flags &= ~phy_flag;
  11546. led_mode = LED_MODE_OPER;
  11547. /* Clear nig drain */
  11548. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11549. }
  11550. bnx2x_sync_link(params, vars);
  11551. /* Update the LED according to the link state */
  11552. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11553. /* Update link status in the shared memory */
  11554. bnx2x_update_mng(params, vars->link_status);
  11555. /* C. Trigger General Attention */
  11556. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11557. if (notify)
  11558. bnx2x_notify_link_changed(bp);
  11559. return 1;
  11560. }
  11561. /******************************************************************************
  11562. * Description:
  11563. * This function checks for half opened connection change indication.
  11564. * When such change occurs, it calls the bnx2x_analyze_link_error
  11565. * to check if Remote Fault is set or cleared. Reception of remote fault
  11566. * status message in the MAC indicates that the peer's MAC has detected
  11567. * a fault, for example, due to break in the TX side of fiber.
  11568. *
  11569. ******************************************************************************/
  11570. int bnx2x_check_half_open_conn(struct link_params *params,
  11571. struct link_vars *vars,
  11572. u8 notify)
  11573. {
  11574. struct bnx2x *bp = params->bp;
  11575. u32 lss_status = 0;
  11576. u32 mac_base;
  11577. /* In case link status is physically up @ 10G do */
  11578. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11579. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11580. return 0;
  11581. if (CHIP_IS_E3(bp) &&
  11582. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11583. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11584. /* Check E3 XMAC */
  11585. /* Note that link speed cannot be queried here, since it may be
  11586. * zero while link is down. In case UMAC is active, LSS will
  11587. * simply not be set
  11588. */
  11589. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11590. /* Clear stick bits (Requires rising edge) */
  11591. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11592. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11593. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11594. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11595. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11596. lss_status = 1;
  11597. bnx2x_analyze_link_error(params, vars, lss_status,
  11598. PHY_HALF_OPEN_CONN_FLAG,
  11599. LINK_STATUS_NONE, notify);
  11600. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11601. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11602. /* Check E1X / E2 BMAC */
  11603. u32 lss_status_reg;
  11604. u32 wb_data[2];
  11605. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11606. NIG_REG_INGRESS_BMAC0_MEM;
  11607. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11608. if (CHIP_IS_E2(bp))
  11609. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11610. else
  11611. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11612. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11613. lss_status = (wb_data[0] > 0);
  11614. bnx2x_analyze_link_error(params, vars, lss_status,
  11615. PHY_HALF_OPEN_CONN_FLAG,
  11616. LINK_STATUS_NONE, notify);
  11617. }
  11618. return 0;
  11619. }
  11620. static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
  11621. struct link_params *params,
  11622. struct link_vars *vars)
  11623. {
  11624. struct bnx2x *bp = params->bp;
  11625. u32 cfg_pin, value = 0;
  11626. u8 led_change, port = params->port;
  11627. /* Get The SFP+ TX_Fault controlling pin ([eg]pio) */
  11628. cfg_pin = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region,
  11629. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  11630. PORT_HW_CFG_E3_TX_FAULT_MASK) >>
  11631. PORT_HW_CFG_E3_TX_FAULT_SHIFT;
  11632. if (bnx2x_get_cfg_pin(bp, cfg_pin, &value)) {
  11633. DP(NETIF_MSG_LINK, "Failed to read pin 0x%02x\n", cfg_pin);
  11634. return;
  11635. }
  11636. led_change = bnx2x_analyze_link_error(params, vars, value,
  11637. PHY_SFP_TX_FAULT_FLAG,
  11638. LINK_STATUS_SFP_TX_FAULT, 1);
  11639. if (led_change) {
  11640. /* Change TX_Fault led, set link status for further syncs */
  11641. u8 led_mode;
  11642. if (vars->phy_flags & PHY_SFP_TX_FAULT_FLAG) {
  11643. led_mode = MISC_REGISTERS_GPIO_HIGH;
  11644. vars->link_status |= LINK_STATUS_SFP_TX_FAULT;
  11645. } else {
  11646. led_mode = MISC_REGISTERS_GPIO_LOW;
  11647. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11648. }
  11649. /* If module is unapproved, led should be on regardless */
  11650. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  11651. DP(NETIF_MSG_LINK, "Change TX_Fault LED: ->%x\n",
  11652. led_mode);
  11653. bnx2x_set_e3_module_fault_led(params, led_mode);
  11654. }
  11655. }
  11656. }
  11657. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11658. {
  11659. u16 phy_idx;
  11660. struct bnx2x *bp = params->bp;
  11661. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11662. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11663. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11664. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11665. 0)
  11666. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11667. break;
  11668. }
  11669. }
  11670. if (CHIP_IS_E3(bp)) {
  11671. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11672. bnx2x_set_aer_mmd(params, phy);
  11673. bnx2x_check_over_curr(params, vars);
  11674. if (vars->rx_tx_asic_rst)
  11675. bnx2x_warpcore_config_runtime(phy, params, vars);
  11676. if ((REG_RD(bp, params->shmem_base +
  11677. offsetof(struct shmem_region, dev_info.
  11678. port_hw_config[params->port].default_cfg))
  11679. & PORT_HW_CFG_NET_SERDES_IF_MASK) ==
  11680. PORT_HW_CFG_NET_SERDES_IF_SFI) {
  11681. if (bnx2x_is_sfp_module_plugged(phy, params)) {
  11682. bnx2x_sfp_tx_fault_detection(phy, params, vars);
  11683. } else if (vars->link_status &
  11684. LINK_STATUS_SFP_TX_FAULT) {
  11685. /* Clean trail, interrupt corrects the leds */
  11686. vars->link_status &= ~LINK_STATUS_SFP_TX_FAULT;
  11687. vars->phy_flags &= ~PHY_SFP_TX_FAULT_FLAG;
  11688. /* Update link status in the shared memory */
  11689. bnx2x_update_mng(params, vars->link_status);
  11690. }
  11691. }
  11692. }
  11693. }
  11694. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11695. {
  11696. u8 phy_index;
  11697. struct bnx2x_phy phy;
  11698. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11699. phy_index++) {
  11700. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11701. 0, &phy) != 0) {
  11702. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11703. return 0;
  11704. }
  11705. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11706. return 1;
  11707. }
  11708. return 0;
  11709. }
  11710. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11711. u32 shmem_base,
  11712. u32 shmem2_base,
  11713. u8 port)
  11714. {
  11715. u8 phy_index, fan_failure_det_req = 0;
  11716. struct bnx2x_phy phy;
  11717. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11718. phy_index++) {
  11719. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11720. port, &phy)
  11721. != 0) {
  11722. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11723. return 0;
  11724. }
  11725. fan_failure_det_req |= (phy.flags &
  11726. FLAGS_FAN_FAILURE_DET_REQ);
  11727. }
  11728. return fan_failure_det_req;
  11729. }
  11730. void bnx2x_hw_reset_phy(struct link_params *params)
  11731. {
  11732. u8 phy_index;
  11733. struct bnx2x *bp = params->bp;
  11734. bnx2x_update_mng(params, 0);
  11735. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11736. (NIG_MASK_XGXS0_LINK_STATUS |
  11737. NIG_MASK_XGXS0_LINK10G |
  11738. NIG_MASK_SERDES0_LINK_STATUS |
  11739. NIG_MASK_MI_INT));
  11740. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11741. phy_index++) {
  11742. if (params->phy[phy_index].hw_reset) {
  11743. params->phy[phy_index].hw_reset(
  11744. &params->phy[phy_index],
  11745. params);
  11746. params->phy[phy_index] = phy_null;
  11747. }
  11748. }
  11749. }
  11750. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11751. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11752. u8 port)
  11753. {
  11754. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11755. u32 val;
  11756. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11757. if (CHIP_IS_E3(bp)) {
  11758. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11759. shmem_base,
  11760. port,
  11761. &gpio_num,
  11762. &gpio_port) != 0)
  11763. return;
  11764. } else {
  11765. struct bnx2x_phy phy;
  11766. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11767. phy_index++) {
  11768. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11769. shmem2_base, port, &phy)
  11770. != 0) {
  11771. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11772. return;
  11773. }
  11774. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11775. gpio_num = MISC_REGISTERS_GPIO_3;
  11776. gpio_port = port;
  11777. break;
  11778. }
  11779. }
  11780. }
  11781. if (gpio_num == 0xff)
  11782. return;
  11783. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11784. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11785. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11786. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11787. gpio_port ^= (swap_val && swap_override);
  11788. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11789. (gpio_num + (gpio_port << 2));
  11790. sync_offset = shmem_base +
  11791. offsetof(struct shmem_region,
  11792. dev_info.port_hw_config[port].aeu_int_mask);
  11793. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11794. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11795. gpio_num, gpio_port, vars->aeu_int_mask);
  11796. if (port == 0)
  11797. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11798. else
  11799. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11800. /* Open appropriate AEU for interrupts */
  11801. aeu_mask = REG_RD(bp, offset);
  11802. aeu_mask |= vars->aeu_int_mask;
  11803. REG_WR(bp, offset, aeu_mask);
  11804. /* Enable the GPIO to trigger interrupt */
  11805. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11806. val |= 1 << (gpio_num + (gpio_port << 2));
  11807. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11808. }