bnx2x_link.c 375 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 MCPR_IMC_COMMAND_READ_OP 1
  40. #define MCPR_IMC_COMMAND_WRITE_OP 2
  41. /* LED Blink rate that will achieve ~15.9Hz */
  42. #define LED_BLINK_RATE_VAL_E3 354
  43. #define LED_BLINK_RATE_VAL_E1X_E2 480
  44. /***********************************************************/
  45. /* Shortcut definitions */
  46. /***********************************************************/
  47. #define NIG_LATCH_BC_ENABLE_MI_INT 0
  48. #define NIG_STATUS_EMAC0_MI_INT \
  49. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
  50. #define NIG_STATUS_XGXS0_LINK10G \
  51. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
  52. #define NIG_STATUS_XGXS0_LINK_STATUS \
  53. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
  54. #define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
  55. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
  56. #define NIG_STATUS_SERDES0_LINK_STATUS \
  57. NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
  58. #define NIG_MASK_MI_INT \
  59. NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
  60. #define NIG_MASK_XGXS0_LINK10G \
  61. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
  62. #define NIG_MASK_XGXS0_LINK_STATUS \
  63. NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
  64. #define NIG_MASK_SERDES0_LINK_STATUS \
  65. NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
  66. #define MDIO_AN_CL73_OR_37_COMPLETE \
  67. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
  68. MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
  69. #define XGXS_RESET_BITS \
  70. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
  71. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
  72. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
  73. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
  74. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
  75. #define SERDES_RESET_BITS \
  76. (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
  77. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
  78. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
  79. MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
  80. #define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
  81. #define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
  82. #define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
  83. #define AUTONEG_PARALLEL \
  84. SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
  85. #define AUTONEG_SGMII_FIBER_AUTODET \
  86. SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
  87. #define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
  88. #define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
  89. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
  90. #define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
  91. MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
  92. #define GP_STATUS_SPEED_MASK \
  93. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
  94. #define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
  95. #define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
  96. #define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
  97. #define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
  98. #define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
  99. #define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
  100. #define GP_STATUS_10G_HIG \
  101. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
  102. #define GP_STATUS_10G_CX4 \
  103. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
  104. #define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
  105. #define GP_STATUS_10G_KX4 \
  106. MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
  107. #define GP_STATUS_10G_KR MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KR
  108. #define GP_STATUS_10G_XFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_XFI
  109. #define GP_STATUS_20G_DXGXS MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_20G_DXGXS
  110. #define GP_STATUS_10G_SFI MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_SFI
  111. #define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
  112. #define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
  113. #define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
  114. #define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
  115. #define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
  116. #define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
  117. #define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
  118. #define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
  119. #define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
  120. #define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
  121. #define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
  122. #define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
  123. #define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
  124. #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD
  125. #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD
  126. #define SFP_EEPROM_CON_TYPE_ADDR 0x2
  127. #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
  128. #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
  129. #define SFP_EEPROM_COMP_CODE_ADDR 0x3
  130. #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
  131. #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
  132. #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
  133. #define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
  134. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
  135. #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
  136. #define SFP_EEPROM_OPTIONS_ADDR 0x40
  137. #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
  138. #define SFP_EEPROM_OPTIONS_SIZE 2
  139. #define EDC_MODE_LINEAR 0x0022
  140. #define EDC_MODE_LIMITING 0x0044
  141. #define EDC_MODE_PASSIVE_DAC 0x0055
  142. /* BRB default for class 0 E2 */
  143. #define DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR 170
  144. #define DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR 250
  145. #define DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR 10
  146. #define DEFAULT0_E2_BRB_MAC_FULL_XON_THR 50
  147. /* BRB thresholds for E2*/
  148. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE 170
  149. #define PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  150. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE 250
  151. #define PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  152. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  153. #define PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 90
  154. #define PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE 50
  155. #define PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE 250
  156. /* BRB default for class 0 E3A0 */
  157. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR 290
  158. #define DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR 410
  159. #define DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR 10
  160. #define DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR 50
  161. /* BRB thresholds for E3A0 */
  162. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE 290
  163. #define PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  164. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE 410
  165. #define PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  166. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  167. #define PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 170
  168. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE 50
  169. #define PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE 410
  170. /* BRB default for E3B0 */
  171. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR 330
  172. #define DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR 490
  173. #define DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR 15
  174. #define DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR 55
  175. /* BRB thresholds for E3B0 2 port mode*/
  176. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 1025
  177. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  178. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE 1025
  179. #define PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  180. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  181. #define PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 1025
  182. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE 50
  183. #define PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE 1025
  184. /* only for E3B0*/
  185. #define PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR 1025
  186. #define PFC_E3B0_2P_BRB_FULL_LB_XON_THR 1025
  187. /* Lossy +Lossless GUARANTIED == GUART */
  188. #define PFC_E3B0_2P_MIX_PAUSE_LB_GUART 284
  189. /* Lossless +Lossless*/
  190. #define PFC_E3B0_2P_PAUSE_LB_GUART 236
  191. /* Lossy +Lossy*/
  192. #define PFC_E3B0_2P_NON_PAUSE_LB_GUART 342
  193. /* Lossy +Lossless*/
  194. #define PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART 284
  195. /* Lossless +Lossless*/
  196. #define PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART 236
  197. /* Lossy +Lossy*/
  198. #define PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART 336
  199. #define PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  200. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART 0
  201. #define PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST 0
  202. /* BRB thresholds for E3B0 4 port mode */
  203. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE 304
  204. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE 0
  205. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE 384
  206. #define PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE 0
  207. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE 10
  208. #define PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE 304
  209. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE 50
  210. #define PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE 384
  211. /* only for E3B0*/
  212. #define PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR 304
  213. #define PFC_E3B0_4P_BRB_FULL_LB_XON_THR 384
  214. #define PFC_E3B0_4P_LB_GUART 120
  215. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART 120
  216. #define PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST 80
  217. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART 80
  218. #define PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST 120
  219. /* Pause defines*/
  220. #define DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR 330
  221. #define DEFAULT_E3B0_BRB_FULL_LB_XON_THR 490
  222. #define DEFAULT_E3B0_LB_GUART 40
  223. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART 40
  224. #define DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST 0
  225. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART 40
  226. #define DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST 0
  227. /* ETS defines*/
  228. #define DCBX_INVALID_COS (0xFF)
  229. #define ETS_BW_LIMIT_CREDIT_UPPER_BOUND (0x5000)
  230. #define ETS_BW_LIMIT_CREDIT_WEIGHT (0x5000)
  231. #define ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS (1360)
  232. #define ETS_E3B0_NIG_MIN_W_VAL_20GBPS (2720)
  233. #define ETS_E3B0_PBF_MIN_W_VAL (10000)
  234. #define MAX_PACKET_SIZE (9700)
  235. #define WC_UC_TIMEOUT 100
  236. #define MAX_KR_LINK_RETRY 4
  237. /**********************************************************/
  238. /* INTERFACE */
  239. /**********************************************************/
  240. #define CL22_WR_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  241. bnx2x_cl45_write(_bp, _phy, \
  242. (_phy)->def_md_devad, \
  243. (_bank + (_addr & 0xf)), \
  244. _val)
  245. #define CL22_RD_OVER_CL45(_bp, _phy, _bank, _addr, _val) \
  246. bnx2x_cl45_read(_bp, _phy, \
  247. (_phy)->def_md_devad, \
  248. (_bank + (_addr & 0xf)), \
  249. _val)
  250. static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
  251. {
  252. u32 val = REG_RD(bp, reg);
  253. val |= bits;
  254. REG_WR(bp, reg, val);
  255. return val;
  256. }
  257. static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
  258. {
  259. u32 val = REG_RD(bp, reg);
  260. val &= ~bits;
  261. REG_WR(bp, reg, val);
  262. return val;
  263. }
  264. /******************************************************************/
  265. /* EPIO/GPIO section */
  266. /******************************************************************/
  267. static void bnx2x_get_epio(struct bnx2x *bp, u32 epio_pin, u32 *en)
  268. {
  269. u32 epio_mask, gp_oenable;
  270. *en = 0;
  271. /* Sanity check */
  272. if (epio_pin > 31) {
  273. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to get\n", epio_pin);
  274. return;
  275. }
  276. epio_mask = 1 << epio_pin;
  277. /* Set this EPIO to output */
  278. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  279. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable & ~epio_mask);
  280. *en = (REG_RD(bp, MCP_REG_MCPR_GP_INPUTS) & epio_mask) >> epio_pin;
  281. }
  282. static void bnx2x_set_epio(struct bnx2x *bp, u32 epio_pin, u32 en)
  283. {
  284. u32 epio_mask, gp_output, gp_oenable;
  285. /* Sanity check */
  286. if (epio_pin > 31) {
  287. DP(NETIF_MSG_LINK, "Invalid EPIO pin %d to set\n", epio_pin);
  288. return;
  289. }
  290. DP(NETIF_MSG_LINK, "Setting EPIO pin %d to %d\n", epio_pin, en);
  291. epio_mask = 1 << epio_pin;
  292. /* Set this EPIO to output */
  293. gp_output = REG_RD(bp, MCP_REG_MCPR_GP_OUTPUTS);
  294. if (en)
  295. gp_output |= epio_mask;
  296. else
  297. gp_output &= ~epio_mask;
  298. REG_WR(bp, MCP_REG_MCPR_GP_OUTPUTS, gp_output);
  299. /* Set the value for this EPIO */
  300. gp_oenable = REG_RD(bp, MCP_REG_MCPR_GP_OENABLE);
  301. REG_WR(bp, MCP_REG_MCPR_GP_OENABLE, gp_oenable | epio_mask);
  302. }
  303. static void bnx2x_set_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 val)
  304. {
  305. if (pin_cfg == PIN_CFG_NA)
  306. return;
  307. if (pin_cfg >= PIN_CFG_EPIO0) {
  308. bnx2x_set_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  309. } else {
  310. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  311. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  312. bnx2x_set_gpio(bp, gpio_num, (u8)val, gpio_port);
  313. }
  314. }
  315. static u32 bnx2x_get_cfg_pin(struct bnx2x *bp, u32 pin_cfg, u32 *val)
  316. {
  317. if (pin_cfg == PIN_CFG_NA)
  318. return -EINVAL;
  319. if (pin_cfg >= PIN_CFG_EPIO0) {
  320. bnx2x_get_epio(bp, pin_cfg - PIN_CFG_EPIO0, val);
  321. } else {
  322. u8 gpio_num = (pin_cfg - PIN_CFG_GPIO0_P0) & 0x3;
  323. u8 gpio_port = (pin_cfg - PIN_CFG_GPIO0_P0) >> 2;
  324. *val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  325. }
  326. return 0;
  327. }
  328. /******************************************************************/
  329. /* ETS section */
  330. /******************************************************************/
  331. static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
  332. {
  333. /* ETS disabled configuration*/
  334. struct bnx2x *bp = params->bp;
  335. DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
  336. /* mapping between entry priority to client number (0,1,2 -debug and
  337. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  338. * 3bits client num.
  339. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  340. * cos1-100 cos0-011 dbg1-010 dbg0-001 MCP-000
  341. */
  342. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, 0x4688);
  343. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  344. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  345. * COS0 entry, 4 - COS1 entry.
  346. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  347. * bit4 bit3 bit2 bit1 bit0
  348. * MCP and debug are strict
  349. */
  350. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  351. /* defines which entries (clients) are subjected to WFQ arbitration */
  352. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  353. /* For strict priority entries defines the number of consecutive
  354. * slots for the highest priority.
  355. */
  356. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  357. /* mapping between the CREDIT_WEIGHT registers and actual client
  358. * numbers
  359. */
  360. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0);
  361. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0);
  362. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0);
  363. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, 0);
  364. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, 0);
  365. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, 0);
  366. /* ETS mode disable */
  367. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  368. /* If ETS mode is enabled (there is no strict priority) defines a WFQ
  369. * weight for COS0/COS1.
  370. */
  371. REG_WR(bp, PBF_REG_COS0_WEIGHT, 0x2710);
  372. REG_WR(bp, PBF_REG_COS1_WEIGHT, 0x2710);
  373. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter */
  374. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND, 0x989680);
  375. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND, 0x989680);
  376. /* Defines the number of consecutive slots for the strict priority */
  377. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  378. }
  379. /******************************************************************************
  380. * Description:
  381. * Getting min_w_val will be set according to line speed .
  382. *.
  383. ******************************************************************************/
  384. static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
  385. {
  386. u32 min_w_val = 0;
  387. /* Calculate min_w_val.*/
  388. if (vars->link_up) {
  389. if (vars->line_speed == SPEED_20000)
  390. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  391. else
  392. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
  393. } else
  394. min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
  395. /* If the link isn't up (static configuration for example ) The
  396. * link will be according to 20GBPS.
  397. */
  398. return min_w_val;
  399. }
  400. /******************************************************************************
  401. * Description:
  402. * Getting credit upper bound form min_w_val.
  403. *.
  404. ******************************************************************************/
  405. static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
  406. {
  407. const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
  408. MAX_PACKET_SIZE);
  409. return credit_upper_bound;
  410. }
  411. /******************************************************************************
  412. * Description:
  413. * Set credit upper bound for NIG.
  414. *.
  415. ******************************************************************************/
  416. static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
  417. const struct link_params *params,
  418. const u32 min_w_val)
  419. {
  420. struct bnx2x *bp = params->bp;
  421. const u8 port = params->port;
  422. const u32 credit_upper_bound =
  423. bnx2x_ets_get_credit_upper_bound(min_w_val);
  424. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
  425. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
  426. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
  427. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
  428. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
  429. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
  430. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
  431. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
  432. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
  433. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
  434. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
  435. NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
  436. if (!port) {
  437. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
  438. credit_upper_bound);
  439. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
  440. credit_upper_bound);
  441. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
  442. credit_upper_bound);
  443. }
  444. }
  445. /******************************************************************************
  446. * Description:
  447. * Will return the NIG ETS registers to init values.Except
  448. * credit_upper_bound.
  449. * That isn't used in this configuration (No WFQ is enabled) and will be
  450. * configured acording to spec
  451. *.
  452. ******************************************************************************/
  453. static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
  454. const struct link_vars *vars)
  455. {
  456. struct bnx2x *bp = params->bp;
  457. const u8 port = params->port;
  458. const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
  459. /* Mapping between entry priority to client number (0,1,2 -debug and
  460. * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
  461. * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
  462. * reset value or init tool
  463. */
  464. if (port) {
  465. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
  466. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
  467. } else {
  468. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
  469. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
  470. }
  471. /* For strict priority entries defines the number of consecutive
  472. * slots for the highest priority.
  473. */
  474. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
  475. NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  476. /* Mapping between the CREDIT_WEIGHT registers and actual client
  477. * numbers
  478. */
  479. if (port) {
  480. /*Port 1 has 6 COS*/
  481. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
  482. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
  483. } else {
  484. /*Port 0 has 9 COS*/
  485. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
  486. 0x43210876);
  487. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
  488. }
  489. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  490. * as strict. Bits 0,1,2 - debug and management entries, 3 -
  491. * COS0 entry, 4 - COS1 entry.
  492. * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
  493. * bit4 bit3 bit2 bit1 bit0
  494. * MCP and debug are strict
  495. */
  496. if (port)
  497. REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
  498. else
  499. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
  500. /* defines which entries (clients) are subjected to WFQ arbitration */
  501. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  502. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
  503. /* Please notice the register address are note continuous and a
  504. * for here is note appropriate.In 2 port mode port0 only COS0-5
  505. * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
  506. * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
  507. * are never used for WFQ
  508. */
  509. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  510. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
  511. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  512. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
  513. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  514. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
  515. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
  516. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
  517. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
  518. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
  519. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
  520. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
  521. if (!port) {
  522. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
  523. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
  524. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
  525. }
  526. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
  527. }
  528. /******************************************************************************
  529. * Description:
  530. * Set credit upper bound for PBF.
  531. *.
  532. ******************************************************************************/
  533. static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
  534. const struct link_params *params,
  535. const u32 min_w_val)
  536. {
  537. struct bnx2x *bp = params->bp;
  538. const u32 credit_upper_bound =
  539. bnx2x_ets_get_credit_upper_bound(min_w_val);
  540. const u8 port = params->port;
  541. u32 base_upper_bound = 0;
  542. u8 max_cos = 0;
  543. u8 i = 0;
  544. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
  545. * port mode port1 has COS0-2 that can be used for WFQ.
  546. */
  547. if (!port) {
  548. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
  549. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  550. } else {
  551. base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
  552. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  553. }
  554. for (i = 0; i < max_cos; i++)
  555. REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
  556. }
  557. /******************************************************************************
  558. * Description:
  559. * Will return the PBF ETS registers to init values.Except
  560. * credit_upper_bound.
  561. * That isn't used in this configuration (No WFQ is enabled) and will be
  562. * configured acording to spec
  563. *.
  564. ******************************************************************************/
  565. static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
  566. {
  567. struct bnx2x *bp = params->bp;
  568. const u8 port = params->port;
  569. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  570. u8 i = 0;
  571. u32 base_weight = 0;
  572. u8 max_cos = 0;
  573. /* Mapping between entry priority to client number 0 - COS0
  574. * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
  575. * TODO_ETS - Should be done by reset value or init tool
  576. */
  577. if (port)
  578. /* 0x688 (|011|0 10|00 1|000) */
  579. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
  580. else
  581. /* (10 1|100 |011|0 10|00 1|000) */
  582. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
  583. /* TODO_ETS - Should be done by reset value or init tool */
  584. if (port)
  585. /* 0x688 (|011|0 10|00 1|000)*/
  586. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
  587. else
  588. /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
  589. REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
  590. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
  591. PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
  592. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  593. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
  594. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  595. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
  596. /* In 2 port mode port0 has COS0-5 that can be used for WFQ.
  597. * In 4 port mode port1 has COS0-2 that can be used for WFQ.
  598. */
  599. if (!port) {
  600. base_weight = PBF_REG_COS0_WEIGHT_P0;
  601. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
  602. } else {
  603. base_weight = PBF_REG_COS0_WEIGHT_P1;
  604. max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
  605. }
  606. for (i = 0; i < max_cos; i++)
  607. REG_WR(bp, base_weight + (0x4 * i), 0);
  608. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  609. }
  610. /******************************************************************************
  611. * Description:
  612. * E3B0 disable will return basicly the values to init values.
  613. *.
  614. ******************************************************************************/
  615. static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
  616. const struct link_vars *vars)
  617. {
  618. struct bnx2x *bp = params->bp;
  619. if (!CHIP_IS_E3B0(bp)) {
  620. DP(NETIF_MSG_LINK,
  621. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  622. return -EINVAL;
  623. }
  624. bnx2x_ets_e3b0_nig_disabled(params, vars);
  625. bnx2x_ets_e3b0_pbf_disabled(params);
  626. return 0;
  627. }
  628. /******************************************************************************
  629. * Description:
  630. * Disable will return basicly the values to init values.
  631. *
  632. ******************************************************************************/
  633. int bnx2x_ets_disabled(struct link_params *params,
  634. struct link_vars *vars)
  635. {
  636. struct bnx2x *bp = params->bp;
  637. int bnx2x_status = 0;
  638. if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
  639. bnx2x_ets_e2e3a0_disabled(params);
  640. else if (CHIP_IS_E3B0(bp))
  641. bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
  642. else {
  643. DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
  644. return -EINVAL;
  645. }
  646. return bnx2x_status;
  647. }
  648. /******************************************************************************
  649. * Description
  650. * Set the COS mappimg to SP and BW until this point all the COS are not
  651. * set as SP or BW.
  652. ******************************************************************************/
  653. static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
  654. const struct bnx2x_ets_params *ets_params,
  655. const u8 cos_sp_bitmap,
  656. const u8 cos_bw_bitmap)
  657. {
  658. struct bnx2x *bp = params->bp;
  659. const u8 port = params->port;
  660. const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
  661. const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
  662. const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
  663. const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
  664. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
  665. NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
  666. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
  667. PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
  668. REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
  669. NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
  670. nig_cli_subject2wfq_bitmap);
  671. REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
  672. PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
  673. pbf_cli_subject2wfq_bitmap);
  674. return 0;
  675. }
  676. /******************************************************************************
  677. * Description:
  678. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  679. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  680. ******************************************************************************/
  681. static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
  682. const u8 cos_entry,
  683. const u32 min_w_val_nig,
  684. const u32 min_w_val_pbf,
  685. const u16 total_bw,
  686. const u8 bw,
  687. const u8 port)
  688. {
  689. u32 nig_reg_adress_crd_weight = 0;
  690. u32 pbf_reg_adress_crd_weight = 0;
  691. /* Calculate and set BW for this COS - use 1 instead of 0 for BW */
  692. const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw;
  693. const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw;
  694. switch (cos_entry) {
  695. case 0:
  696. nig_reg_adress_crd_weight =
  697. (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
  698. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
  699. pbf_reg_adress_crd_weight = (port) ?
  700. PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
  701. break;
  702. case 1:
  703. nig_reg_adress_crd_weight = (port) ?
  704. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
  705. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
  706. pbf_reg_adress_crd_weight = (port) ?
  707. PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
  708. break;
  709. case 2:
  710. nig_reg_adress_crd_weight = (port) ?
  711. NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
  712. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
  713. pbf_reg_adress_crd_weight = (port) ?
  714. PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
  715. break;
  716. case 3:
  717. if (port)
  718. return -EINVAL;
  719. nig_reg_adress_crd_weight =
  720. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
  721. pbf_reg_adress_crd_weight =
  722. PBF_REG_COS3_WEIGHT_P0;
  723. break;
  724. case 4:
  725. if (port)
  726. return -EINVAL;
  727. nig_reg_adress_crd_weight =
  728. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
  729. pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
  730. break;
  731. case 5:
  732. if (port)
  733. return -EINVAL;
  734. nig_reg_adress_crd_weight =
  735. NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
  736. pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
  737. break;
  738. }
  739. REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
  740. REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
  741. return 0;
  742. }
  743. /******************************************************************************
  744. * Description:
  745. * Calculate the total BW.A value of 0 isn't legal.
  746. *
  747. ******************************************************************************/
  748. static int bnx2x_ets_e3b0_get_total_bw(
  749. const struct link_params *params,
  750. struct bnx2x_ets_params *ets_params,
  751. u16 *total_bw)
  752. {
  753. struct bnx2x *bp = params->bp;
  754. u8 cos_idx = 0;
  755. u8 is_bw_cos_exist = 0;
  756. *total_bw = 0 ;
  757. /* Calculate total BW requested */
  758. for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
  759. if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
  760. is_bw_cos_exist = 1;
  761. if (!ets_params->cos[cos_idx].params.bw_params.bw) {
  762. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
  763. "was set to 0\n");
  764. /* This is to prevent a state when ramrods
  765. * can't be sent
  766. */
  767. ets_params->cos[cos_idx].params.bw_params.bw
  768. = 1;
  769. }
  770. *total_bw +=
  771. ets_params->cos[cos_idx].params.bw_params.bw;
  772. }
  773. }
  774. /* Check total BW is valid */
  775. if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
  776. if (*total_bw == 0) {
  777. DP(NETIF_MSG_LINK,
  778. "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
  779. return -EINVAL;
  780. }
  781. DP(NETIF_MSG_LINK,
  782. "bnx2x_ets_E3B0_config total BW should be 100\n");
  783. /* We can handle a case whre the BW isn't 100 this can happen
  784. * if the TC are joined.
  785. */
  786. }
  787. return 0;
  788. }
  789. /******************************************************************************
  790. * Description:
  791. * Invalidate all the sp_pri_to_cos.
  792. *
  793. ******************************************************************************/
  794. static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
  795. {
  796. u8 pri = 0;
  797. for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
  798. sp_pri_to_cos[pri] = DCBX_INVALID_COS;
  799. }
  800. /******************************************************************************
  801. * Description:
  802. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  803. * according to sp_pri_to_cos.
  804. *
  805. ******************************************************************************/
  806. static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
  807. u8 *sp_pri_to_cos, const u8 pri,
  808. const u8 cos_entry)
  809. {
  810. struct bnx2x *bp = params->bp;
  811. const u8 port = params->port;
  812. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  813. DCBX_E3B0_MAX_NUM_COS_PORT0;
  814. if (pri >= max_num_of_cos) {
  815. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  816. "parameter Illegal strict priority\n");
  817. return -EINVAL;
  818. }
  819. if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
  820. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
  821. "parameter There can't be two COS's with "
  822. "the same strict pri\n");
  823. return -EINVAL;
  824. }
  825. sp_pri_to_cos[pri] = cos_entry;
  826. return 0;
  827. }
  828. /******************************************************************************
  829. * Description:
  830. * Returns the correct value according to COS and priority in
  831. * the sp_pri_cli register.
  832. *
  833. ******************************************************************************/
  834. static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
  835. const u8 pri_set,
  836. const u8 pri_offset,
  837. const u8 entry_size)
  838. {
  839. u64 pri_cli_nig = 0;
  840. pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
  841. (pri_set + pri_offset));
  842. return pri_cli_nig;
  843. }
  844. /******************************************************************************
  845. * Description:
  846. * Returns the correct value according to COS and priority in the
  847. * sp_pri_cli register for NIG.
  848. *
  849. ******************************************************************************/
  850. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
  851. {
  852. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  853. const u8 nig_cos_offset = 3;
  854. const u8 nig_pri_offset = 3;
  855. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
  856. nig_pri_offset, 4);
  857. }
  858. /******************************************************************************
  859. * Description:
  860. * Returns the correct value according to COS and priority in the
  861. * sp_pri_cli register for PBF.
  862. *
  863. ******************************************************************************/
  864. static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
  865. {
  866. const u8 pbf_cos_offset = 0;
  867. const u8 pbf_pri_offset = 0;
  868. return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
  869. pbf_pri_offset, 3);
  870. }
  871. /******************************************************************************
  872. * Description:
  873. * Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
  874. * according to sp_pri_to_cos.(which COS has higher priority)
  875. *
  876. ******************************************************************************/
  877. static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
  878. u8 *sp_pri_to_cos)
  879. {
  880. struct bnx2x *bp = params->bp;
  881. u8 i = 0;
  882. const u8 port = params->port;
  883. /* MCP Dbg0 and dbg1 are always with higher strict pri*/
  884. u64 pri_cli_nig = 0x210;
  885. u32 pri_cli_pbf = 0x0;
  886. u8 pri_set = 0;
  887. u8 pri_bitmask = 0;
  888. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  889. DCBX_E3B0_MAX_NUM_COS_PORT0;
  890. u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
  891. /* Set all the strict priority first */
  892. for (i = 0; i < max_num_of_cos; i++) {
  893. if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
  894. if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
  895. DP(NETIF_MSG_LINK,
  896. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  897. "invalid cos entry\n");
  898. return -EINVAL;
  899. }
  900. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  901. sp_pri_to_cos[i], pri_set);
  902. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  903. sp_pri_to_cos[i], pri_set);
  904. pri_bitmask = 1 << sp_pri_to_cos[i];
  905. /* COS is used remove it from bitmap.*/
  906. if (!(pri_bitmask & cos_bit_to_set)) {
  907. DP(NETIF_MSG_LINK,
  908. "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
  909. "invalid There can't be two COS's with"
  910. " the same strict pri\n");
  911. return -EINVAL;
  912. }
  913. cos_bit_to_set &= ~pri_bitmask;
  914. pri_set++;
  915. }
  916. }
  917. /* Set all the Non strict priority i= COS*/
  918. for (i = 0; i < max_num_of_cos; i++) {
  919. pri_bitmask = 1 << i;
  920. /* Check if COS was already used for SP */
  921. if (pri_bitmask & cos_bit_to_set) {
  922. /* COS wasn't used for SP */
  923. pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
  924. i, pri_set);
  925. pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
  926. i, pri_set);
  927. /* COS is used remove it from bitmap.*/
  928. cos_bit_to_set &= ~pri_bitmask;
  929. pri_set++;
  930. }
  931. }
  932. if (pri_set != max_num_of_cos) {
  933. DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
  934. "entries were set\n");
  935. return -EINVAL;
  936. }
  937. if (port) {
  938. /* Only 6 usable clients*/
  939. REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
  940. (u32)pri_cli_nig);
  941. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
  942. } else {
  943. /* Only 9 usable clients*/
  944. const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
  945. const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
  946. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
  947. pri_cli_nig_lsb);
  948. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
  949. pri_cli_nig_msb);
  950. REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
  951. }
  952. return 0;
  953. }
  954. /******************************************************************************
  955. * Description:
  956. * Configure the COS to ETS according to BW and SP settings.
  957. ******************************************************************************/
  958. int bnx2x_ets_e3b0_config(const struct link_params *params,
  959. const struct link_vars *vars,
  960. struct bnx2x_ets_params *ets_params)
  961. {
  962. struct bnx2x *bp = params->bp;
  963. int bnx2x_status = 0;
  964. const u8 port = params->port;
  965. u16 total_bw = 0;
  966. const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
  967. const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
  968. u8 cos_bw_bitmap = 0;
  969. u8 cos_sp_bitmap = 0;
  970. u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
  971. const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
  972. DCBX_E3B0_MAX_NUM_COS_PORT0;
  973. u8 cos_entry = 0;
  974. if (!CHIP_IS_E3B0(bp)) {
  975. DP(NETIF_MSG_LINK,
  976. "bnx2x_ets_e3b0_disabled the chip isn't E3B0\n");
  977. return -EINVAL;
  978. }
  979. if ((ets_params->num_of_cos > max_num_of_cos)) {
  980. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
  981. "isn't supported\n");
  982. return -EINVAL;
  983. }
  984. /* Prepare sp strict priority parameters*/
  985. bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
  986. /* Prepare BW parameters*/
  987. bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
  988. &total_bw);
  989. if (bnx2x_status) {
  990. DP(NETIF_MSG_LINK,
  991. "bnx2x_ets_E3B0_config get_total_bw failed\n");
  992. return -EINVAL;
  993. }
  994. /* Upper bound is set according to current link speed (min_w_val
  995. * should be the same for upper bound and COS credit val).
  996. */
  997. bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
  998. bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
  999. for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
  1000. if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
  1001. cos_bw_bitmap |= (1 << cos_entry);
  1002. /* The function also sets the BW in HW(not the mappin
  1003. * yet)
  1004. */
  1005. bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
  1006. bp, cos_entry, min_w_val_nig, min_w_val_pbf,
  1007. total_bw,
  1008. ets_params->cos[cos_entry].params.bw_params.bw,
  1009. port);
  1010. } else if (bnx2x_cos_state_strict ==
  1011. ets_params->cos[cos_entry].state){
  1012. cos_sp_bitmap |= (1 << cos_entry);
  1013. bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
  1014. params,
  1015. sp_pri_to_cos,
  1016. ets_params->cos[cos_entry].params.sp_params.pri,
  1017. cos_entry);
  1018. } else {
  1019. DP(NETIF_MSG_LINK,
  1020. "bnx2x_ets_e3b0_config cos state not valid\n");
  1021. return -EINVAL;
  1022. }
  1023. if (bnx2x_status) {
  1024. DP(NETIF_MSG_LINK,
  1025. "bnx2x_ets_e3b0_config set cos bw failed\n");
  1026. return bnx2x_status;
  1027. }
  1028. }
  1029. /* Set SP register (which COS has higher priority) */
  1030. bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
  1031. sp_pri_to_cos);
  1032. if (bnx2x_status) {
  1033. DP(NETIF_MSG_LINK,
  1034. "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
  1035. return bnx2x_status;
  1036. }
  1037. /* Set client mapping of BW and strict */
  1038. bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
  1039. cos_sp_bitmap,
  1040. cos_bw_bitmap);
  1041. if (bnx2x_status) {
  1042. DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
  1043. return bnx2x_status;
  1044. }
  1045. return 0;
  1046. }
  1047. static void bnx2x_ets_bw_limit_common(const struct link_params *params)
  1048. {
  1049. /* ETS disabled configuration */
  1050. struct bnx2x *bp = params->bp;
  1051. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1052. /* Defines which entries (clients) are subjected to WFQ arbitration
  1053. * COS0 0x8
  1054. * COS1 0x10
  1055. */
  1056. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0x18);
  1057. /* Mapping between the ARB_CREDIT_WEIGHT registers and actual
  1058. * client numbers (WEIGHT_0 does not actually have to represent
  1059. * client 0)
  1060. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1061. * cos1-001 cos0-000 dbg1-100 dbg0-011 MCP-010
  1062. */
  1063. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP, 0x111A);
  1064. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0,
  1065. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1066. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1,
  1067. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1068. /* ETS mode enabled*/
  1069. REG_WR(bp, PBF_REG_ETS_ENABLED, 1);
  1070. /* Defines the number of consecutive slots for the strict priority */
  1071. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
  1072. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1073. * as strict. Bits 0,1,2 - debug and management entries, 3 - COS0
  1074. * entry, 4 - COS1 entry.
  1075. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1076. * bit4 bit3 bit2 bit1 bit0
  1077. * MCP and debug are strict
  1078. */
  1079. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x7);
  1080. /* Upper bound that COS0_WEIGHT can reach in the WFQ arbiter.*/
  1081. REG_WR(bp, PBF_REG_COS0_UPPER_BOUND,
  1082. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1083. REG_WR(bp, PBF_REG_COS1_UPPER_BOUND,
  1084. ETS_BW_LIMIT_CREDIT_UPPER_BOUND);
  1085. }
  1086. void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
  1087. const u32 cos1_bw)
  1088. {
  1089. /* ETS disabled configuration*/
  1090. struct bnx2x *bp = params->bp;
  1091. const u32 total_bw = cos0_bw + cos1_bw;
  1092. u32 cos0_credit_weight = 0;
  1093. u32 cos1_credit_weight = 0;
  1094. DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
  1095. if ((!total_bw) ||
  1096. (!cos0_bw) ||
  1097. (!cos1_bw)) {
  1098. DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
  1099. return;
  1100. }
  1101. cos0_credit_weight = (cos0_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1102. total_bw;
  1103. cos1_credit_weight = (cos1_bw * ETS_BW_LIMIT_CREDIT_WEIGHT)/
  1104. total_bw;
  1105. bnx2x_ets_bw_limit_common(params);
  1106. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, cos0_credit_weight);
  1107. REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, cos1_credit_weight);
  1108. REG_WR(bp, PBF_REG_COS0_WEIGHT, cos0_credit_weight);
  1109. REG_WR(bp, PBF_REG_COS1_WEIGHT, cos1_credit_weight);
  1110. }
  1111. int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
  1112. {
  1113. /* ETS disabled configuration*/
  1114. struct bnx2x *bp = params->bp;
  1115. u32 val = 0;
  1116. DP(NETIF_MSG_LINK, "ETS enabled strict configuration\n");
  1117. /* Bitmap of 5bits length. Each bit specifies whether the entry behaves
  1118. * as strict. Bits 0,1,2 - debug and management entries,
  1119. * 3 - COS0 entry, 4 - COS1 entry.
  1120. * COS1 | COS0 | DEBUG21 | DEBUG0 | MGMT
  1121. * bit4 bit3 bit2 bit1 bit0
  1122. * MCP and debug are strict
  1123. */
  1124. REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1F);
  1125. /* For strict priority entries defines the number of consecutive slots
  1126. * for the highest priority.
  1127. */
  1128. REG_WR(bp, NIG_REG_P0_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
  1129. /* ETS mode disable */
  1130. REG_WR(bp, PBF_REG_ETS_ENABLED, 0);
  1131. /* Defines the number of consecutive slots for the strict priority */
  1132. REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0x100);
  1133. /* Defines the number of consecutive slots for the strict priority */
  1134. REG_WR(bp, PBF_REG_HIGH_PRIORITY_COS_NUM, strict_cos);
  1135. /* Mapping between entry priority to client number (0,1,2 -debug and
  1136. * management clients, 3 - COS0 client, 4 - COS client)(HIGHEST)
  1137. * 3bits client num.
  1138. * PRI4 | PRI3 | PRI2 | PRI1 | PRI0
  1139. * dbg0-010 dbg1-001 cos1-100 cos0-011 MCP-000
  1140. * dbg0-010 dbg1-001 cos0-011 cos1-100 MCP-000
  1141. */
  1142. val = (!strict_cos) ? 0x2318 : 0x22E0;
  1143. REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
  1144. return 0;
  1145. }
  1146. /******************************************************************/
  1147. /* PFC section */
  1148. /******************************************************************/
  1149. static void bnx2x_update_pfc_xmac(struct link_params *params,
  1150. struct link_vars *vars,
  1151. u8 is_lb)
  1152. {
  1153. struct bnx2x *bp = params->bp;
  1154. u32 xmac_base;
  1155. u32 pause_val, pfc0_val, pfc1_val;
  1156. /* XMAC base adrr */
  1157. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1158. /* Initialize pause and pfc registers */
  1159. pause_val = 0x18000;
  1160. pfc0_val = 0xFFFF8000;
  1161. pfc1_val = 0x2;
  1162. /* No PFC support */
  1163. if (!(params->feature_config_flags &
  1164. FEATURE_CONFIG_PFC_ENABLED)) {
  1165. /* RX flow control - Process pause frame in receive direction
  1166. */
  1167. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1168. pause_val |= XMAC_PAUSE_CTRL_REG_RX_PAUSE_EN;
  1169. /* TX flow control - Send pause packet when buffer is full */
  1170. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1171. pause_val |= XMAC_PAUSE_CTRL_REG_TX_PAUSE_EN;
  1172. } else {/* PFC support */
  1173. pfc1_val |= XMAC_PFC_CTRL_HI_REG_PFC_REFRESH_EN |
  1174. XMAC_PFC_CTRL_HI_REG_PFC_STATS_EN |
  1175. XMAC_PFC_CTRL_HI_REG_RX_PFC_EN |
  1176. XMAC_PFC_CTRL_HI_REG_TX_PFC_EN |
  1177. XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1178. /* Write pause and PFC registers */
  1179. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1180. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1181. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1182. pfc1_val &= ~XMAC_PFC_CTRL_HI_REG_FORCE_PFC_XON;
  1183. }
  1184. /* Write pause and PFC registers */
  1185. REG_WR(bp, xmac_base + XMAC_REG_PAUSE_CTRL, pause_val);
  1186. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL, pfc0_val);
  1187. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
  1188. /* Set MAC address for source TX Pause/PFC frames */
  1189. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_LO,
  1190. ((params->mac_addr[2] << 24) |
  1191. (params->mac_addr[3] << 16) |
  1192. (params->mac_addr[4] << 8) |
  1193. (params->mac_addr[5])));
  1194. REG_WR(bp, xmac_base + XMAC_REG_CTRL_SA_HI,
  1195. ((params->mac_addr[0] << 8) |
  1196. (params->mac_addr[1])));
  1197. udelay(30);
  1198. }
  1199. static void bnx2x_emac_get_pfc_stat(struct link_params *params,
  1200. u32 pfc_frames_sent[2],
  1201. u32 pfc_frames_received[2])
  1202. {
  1203. /* Read pfc statistic */
  1204. struct bnx2x *bp = params->bp;
  1205. u32 emac_base = params->port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1206. u32 val_xon = 0;
  1207. u32 val_xoff = 0;
  1208. DP(NETIF_MSG_LINK, "pfc statistic read from EMAC\n");
  1209. /* PFC received frames */
  1210. val_xoff = REG_RD(bp, emac_base +
  1211. EMAC_REG_RX_PFC_STATS_XOFF_RCVD);
  1212. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_RCVD_COUNT;
  1213. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_RCVD);
  1214. val_xon &= EMAC_REG_RX_PFC_STATS_XON_RCVD_COUNT;
  1215. pfc_frames_received[0] = val_xon + val_xoff;
  1216. /* PFC received sent */
  1217. val_xoff = REG_RD(bp, emac_base +
  1218. EMAC_REG_RX_PFC_STATS_XOFF_SENT);
  1219. val_xoff &= EMAC_REG_RX_PFC_STATS_XOFF_SENT_COUNT;
  1220. val_xon = REG_RD(bp, emac_base + EMAC_REG_RX_PFC_STATS_XON_SENT);
  1221. val_xon &= EMAC_REG_RX_PFC_STATS_XON_SENT_COUNT;
  1222. pfc_frames_sent[0] = val_xon + val_xoff;
  1223. }
  1224. /* Read pfc statistic*/
  1225. void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
  1226. u32 pfc_frames_sent[2],
  1227. u32 pfc_frames_received[2])
  1228. {
  1229. /* Read pfc statistic */
  1230. struct bnx2x *bp = params->bp;
  1231. DP(NETIF_MSG_LINK, "pfc statistic\n");
  1232. if (!vars->link_up)
  1233. return;
  1234. if (vars->mac_type == MAC_TYPE_EMAC) {
  1235. DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
  1236. bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
  1237. pfc_frames_received);
  1238. }
  1239. }
  1240. /******************************************************************/
  1241. /* MAC/PBF section */
  1242. /******************************************************************/
  1243. static void bnx2x_set_mdio_clk(struct bnx2x *bp, u32 chip_id, u8 port)
  1244. {
  1245. u32 mode, emac_base;
  1246. /* Set clause 45 mode, slow down the MDIO clock to 2.5MHz
  1247. * (a value of 49==0x31) and make sure that the AUTO poll is off
  1248. */
  1249. if (CHIP_IS_E2(bp))
  1250. emac_base = GRCBASE_EMAC0;
  1251. else
  1252. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1253. mode = REG_RD(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE);
  1254. mode &= ~(EMAC_MDIO_MODE_AUTO_POLL |
  1255. EMAC_MDIO_MODE_CLOCK_CNT);
  1256. if (USES_WARPCORE(bp))
  1257. mode |= (74L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1258. else
  1259. mode |= (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT);
  1260. mode |= (EMAC_MDIO_MODE_CLAUSE_45);
  1261. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_MODE, mode);
  1262. udelay(40);
  1263. }
  1264. static u8 bnx2x_is_4_port_mode(struct bnx2x *bp)
  1265. {
  1266. u32 port4mode_ovwr_val;
  1267. /* Check 4-port override enabled */
  1268. port4mode_ovwr_val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
  1269. if (port4mode_ovwr_val & (1<<0)) {
  1270. /* Return 4-port mode override value */
  1271. return ((port4mode_ovwr_val & (1<<1)) == (1<<1));
  1272. }
  1273. /* Return 4-port mode from input pin */
  1274. return (u8)REG_RD(bp, MISC_REG_PORT4MODE_EN);
  1275. }
  1276. static void bnx2x_emac_init(struct link_params *params,
  1277. struct link_vars *vars)
  1278. {
  1279. /* reset and unreset the emac core */
  1280. struct bnx2x *bp = params->bp;
  1281. u8 port = params->port;
  1282. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1283. u32 val;
  1284. u16 timeout;
  1285. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1286. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1287. udelay(5);
  1288. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1289. (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
  1290. /* init emac - use read-modify-write */
  1291. /* self clear reset */
  1292. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1293. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
  1294. timeout = 200;
  1295. do {
  1296. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1297. DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
  1298. if (!timeout) {
  1299. DP(NETIF_MSG_LINK, "EMAC timeout!\n");
  1300. return;
  1301. }
  1302. timeout--;
  1303. } while (val & EMAC_MODE_RESET);
  1304. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  1305. /* Set mac address */
  1306. val = ((params->mac_addr[0] << 8) |
  1307. params->mac_addr[1]);
  1308. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
  1309. val = ((params->mac_addr[2] << 24) |
  1310. (params->mac_addr[3] << 16) |
  1311. (params->mac_addr[4] << 8) |
  1312. params->mac_addr[5]);
  1313. EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
  1314. }
  1315. static void bnx2x_set_xumac_nig(struct link_params *params,
  1316. u16 tx_pause_en,
  1317. u8 enable)
  1318. {
  1319. struct bnx2x *bp = params->bp;
  1320. REG_WR(bp, params->port ? NIG_REG_P1_MAC_IN_EN : NIG_REG_P0_MAC_IN_EN,
  1321. enable);
  1322. REG_WR(bp, params->port ? NIG_REG_P1_MAC_OUT_EN : NIG_REG_P0_MAC_OUT_EN,
  1323. enable);
  1324. REG_WR(bp, params->port ? NIG_REG_P1_MAC_PAUSE_OUT_EN :
  1325. NIG_REG_P0_MAC_PAUSE_OUT_EN, tx_pause_en);
  1326. }
  1327. static void bnx2x_umac_disable(struct link_params *params)
  1328. {
  1329. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1330. struct bnx2x *bp = params->bp;
  1331. if (!(REG_RD(bp, MISC_REG_RESET_REG_2) &
  1332. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port)))
  1333. return;
  1334. /* Disable RX and TX */
  1335. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, 0);
  1336. }
  1337. static void bnx2x_umac_enable(struct link_params *params,
  1338. struct link_vars *vars, u8 lb)
  1339. {
  1340. u32 val;
  1341. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  1342. struct bnx2x *bp = params->bp;
  1343. /* Reset UMAC */
  1344. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1345. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1346. usleep_range(1000, 1000);
  1347. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1348. (MISC_REGISTERS_RESET_REG_2_UMAC0 << params->port));
  1349. DP(NETIF_MSG_LINK, "enabling UMAC\n");
  1350. /* This register opens the gate for the UMAC despite its name */
  1351. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  1352. val = UMAC_COMMAND_CONFIG_REG_PROMIS_EN |
  1353. UMAC_COMMAND_CONFIG_REG_PAD_EN |
  1354. UMAC_COMMAND_CONFIG_REG_SW_RESET |
  1355. UMAC_COMMAND_CONFIG_REG_NO_LGTH_CHECK;
  1356. switch (vars->line_speed) {
  1357. case SPEED_10:
  1358. val |= (0<<2);
  1359. break;
  1360. case SPEED_100:
  1361. val |= (1<<2);
  1362. break;
  1363. case SPEED_1000:
  1364. val |= (2<<2);
  1365. break;
  1366. case SPEED_2500:
  1367. val |= (3<<2);
  1368. break;
  1369. default:
  1370. DP(NETIF_MSG_LINK, "Invalid speed for UMAC %d\n",
  1371. vars->line_speed);
  1372. break;
  1373. }
  1374. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1375. val |= UMAC_COMMAND_CONFIG_REG_IGNORE_TX_PAUSE;
  1376. if (!(vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1377. val |= UMAC_COMMAND_CONFIG_REG_PAUSE_IGNORE;
  1378. if (vars->duplex == DUPLEX_HALF)
  1379. val |= UMAC_COMMAND_CONFIG_REG_HD_ENA;
  1380. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1381. udelay(50);
  1382. /* Set MAC address for source TX Pause/PFC frames (under SW reset) */
  1383. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR0,
  1384. ((params->mac_addr[2] << 24) |
  1385. (params->mac_addr[3] << 16) |
  1386. (params->mac_addr[4] << 8) |
  1387. (params->mac_addr[5])));
  1388. REG_WR(bp, umac_base + UMAC_REG_MAC_ADDR1,
  1389. ((params->mac_addr[0] << 8) |
  1390. (params->mac_addr[1])));
  1391. /* Enable RX and TX */
  1392. val &= ~UMAC_COMMAND_CONFIG_REG_PAD_EN;
  1393. val |= UMAC_COMMAND_CONFIG_REG_TX_ENA |
  1394. UMAC_COMMAND_CONFIG_REG_RX_ENA;
  1395. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1396. udelay(50);
  1397. /* Remove SW Reset */
  1398. val &= ~UMAC_COMMAND_CONFIG_REG_SW_RESET;
  1399. /* Check loopback mode */
  1400. if (lb)
  1401. val |= UMAC_COMMAND_CONFIG_REG_LOOP_ENA;
  1402. REG_WR(bp, umac_base + UMAC_REG_COMMAND_CONFIG, val);
  1403. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  1404. * length used by the MAC receive logic to check frames.
  1405. */
  1406. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  1407. bnx2x_set_xumac_nig(params,
  1408. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1409. vars->mac_type = MAC_TYPE_UMAC;
  1410. }
  1411. /* Define the XMAC mode */
  1412. static void bnx2x_xmac_init(struct link_params *params, u32 max_speed)
  1413. {
  1414. struct bnx2x *bp = params->bp;
  1415. u32 is_port4mode = bnx2x_is_4_port_mode(bp);
  1416. /* In 4-port mode, need to set the mode only once, so if XMAC is
  1417. * already out of reset, it means the mode has already been set,
  1418. * and it must not* reset the XMAC again, since it controls both
  1419. * ports of the path
  1420. */
  1421. if ((CHIP_NUM(bp) == CHIP_NUM_57840) &&
  1422. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1423. MISC_REGISTERS_RESET_REG_2_XMAC)) {
  1424. DP(NETIF_MSG_LINK,
  1425. "XMAC already out of reset in 4-port mode\n");
  1426. return;
  1427. }
  1428. /* Hard reset */
  1429. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1430. MISC_REGISTERS_RESET_REG_2_XMAC);
  1431. usleep_range(1000, 1000);
  1432. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1433. MISC_REGISTERS_RESET_REG_2_XMAC);
  1434. if (is_port4mode) {
  1435. DP(NETIF_MSG_LINK, "Init XMAC to 2 ports x 10G per path\n");
  1436. /* Set the number of ports on the system side to up to 2 */
  1437. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 1);
  1438. /* Set the number of ports on the Warp Core to 10G */
  1439. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1440. } else {
  1441. /* Set the number of ports on the system side to 1 */
  1442. REG_WR(bp, MISC_REG_XMAC_CORE_PORT_MODE, 0);
  1443. if (max_speed == SPEED_10000) {
  1444. DP(NETIF_MSG_LINK,
  1445. "Init XMAC to 10G x 1 port per path\n");
  1446. /* Set the number of ports on the Warp Core to 10G */
  1447. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 3);
  1448. } else {
  1449. DP(NETIF_MSG_LINK,
  1450. "Init XMAC to 20G x 2 ports per path\n");
  1451. /* Set the number of ports on the Warp Core to 20G */
  1452. REG_WR(bp, MISC_REG_XMAC_PHY_PORT_MODE, 1);
  1453. }
  1454. }
  1455. /* Soft reset */
  1456. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1457. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1458. usleep_range(1000, 1000);
  1459. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  1460. MISC_REGISTERS_RESET_REG_2_XMAC_SOFT);
  1461. }
  1462. static void bnx2x_xmac_disable(struct link_params *params)
  1463. {
  1464. u8 port = params->port;
  1465. struct bnx2x *bp = params->bp;
  1466. u32 pfc_ctrl, xmac_base = (port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1467. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  1468. MISC_REGISTERS_RESET_REG_2_XMAC) {
  1469. /* Send an indication to change the state in the NIG back to XON
  1470. * Clearing this bit enables the next set of this bit to get
  1471. * rising edge
  1472. */
  1473. pfc_ctrl = REG_RD(bp, xmac_base + XMAC_REG_PFC_CTRL_HI);
  1474. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1475. (pfc_ctrl & ~(1<<1)));
  1476. REG_WR(bp, xmac_base + XMAC_REG_PFC_CTRL_HI,
  1477. (pfc_ctrl | (1<<1)));
  1478. DP(NETIF_MSG_LINK, "Disable XMAC on port %x\n", port);
  1479. REG_WR(bp, xmac_base + XMAC_REG_CTRL, 0);
  1480. }
  1481. }
  1482. static int bnx2x_xmac_enable(struct link_params *params,
  1483. struct link_vars *vars, u8 lb)
  1484. {
  1485. u32 val, xmac_base;
  1486. struct bnx2x *bp = params->bp;
  1487. DP(NETIF_MSG_LINK, "enabling XMAC\n");
  1488. xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  1489. bnx2x_xmac_init(params, vars->line_speed);
  1490. /* This register determines on which events the MAC will assert
  1491. * error on the i/f to the NIG along w/ EOP.
  1492. */
  1493. /* This register tells the NIG whether to send traffic to UMAC
  1494. * or XMAC
  1495. */
  1496. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 0);
  1497. /* Set Max packet size */
  1498. REG_WR(bp, xmac_base + XMAC_REG_RX_MAX_SIZE, 0x2710);
  1499. /* CRC append for Tx packets */
  1500. REG_WR(bp, xmac_base + XMAC_REG_TX_CTRL, 0xC800);
  1501. /* update PFC */
  1502. bnx2x_update_pfc_xmac(params, vars, 0);
  1503. /* Enable TX and RX */
  1504. val = XMAC_CTRL_REG_TX_EN | XMAC_CTRL_REG_RX_EN;
  1505. /* Check loopback mode */
  1506. if (lb)
  1507. val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK;
  1508. REG_WR(bp, xmac_base + XMAC_REG_CTRL, val);
  1509. bnx2x_set_xumac_nig(params,
  1510. ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1);
  1511. vars->mac_type = MAC_TYPE_XMAC;
  1512. return 0;
  1513. }
  1514. static int bnx2x_emac_enable(struct link_params *params,
  1515. struct link_vars *vars, u8 lb)
  1516. {
  1517. struct bnx2x *bp = params->bp;
  1518. u8 port = params->port;
  1519. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  1520. u32 val;
  1521. DP(NETIF_MSG_LINK, "enabling EMAC\n");
  1522. /* Disable BMAC */
  1523. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  1524. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  1525. /* enable emac and not bmac */
  1526. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
  1527. /* ASIC */
  1528. if (vars->phy_flags & PHY_XGXS_FLAG) {
  1529. u32 ser_lane = ((params->lane_config &
  1530. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  1531. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  1532. DP(NETIF_MSG_LINK, "XGXS\n");
  1533. /* select the master lanes (out of 0-3) */
  1534. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, ser_lane);
  1535. /* select XGXS */
  1536. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
  1537. } else { /* SerDes */
  1538. DP(NETIF_MSG_LINK, "SerDes\n");
  1539. /* select SerDes */
  1540. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0);
  1541. }
  1542. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1543. EMAC_RX_MODE_RESET);
  1544. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1545. EMAC_TX_MODE_RESET);
  1546. if (CHIP_REV_IS_SLOW(bp)) {
  1547. /* config GMII mode */
  1548. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1549. EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
  1550. } else { /* ASIC */
  1551. /* pause enable/disable */
  1552. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
  1553. EMAC_RX_MODE_FLOW_EN);
  1554. bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1555. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1556. EMAC_TX_MODE_FLOW_EN));
  1557. if (!(params->feature_config_flags &
  1558. FEATURE_CONFIG_PFC_ENABLED)) {
  1559. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  1560. bnx2x_bits_en(bp, emac_base +
  1561. EMAC_REG_EMAC_RX_MODE,
  1562. EMAC_RX_MODE_FLOW_EN);
  1563. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  1564. bnx2x_bits_en(bp, emac_base +
  1565. EMAC_REG_EMAC_TX_MODE,
  1566. (EMAC_TX_MODE_EXT_PAUSE_EN |
  1567. EMAC_TX_MODE_FLOW_EN));
  1568. } else
  1569. bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
  1570. EMAC_TX_MODE_FLOW_EN);
  1571. }
  1572. /* KEEP_VLAN_TAG, promiscuous */
  1573. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
  1574. val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
  1575. /* Setting this bit causes MAC control frames (except for pause
  1576. * frames) to be passed on for processing. This setting has no
  1577. * affect on the operation of the pause frames. This bit effects
  1578. * all packets regardless of RX Parser packet sorting logic.
  1579. * Turn the PFC off to make sure we are in Xon state before
  1580. * enabling it.
  1581. */
  1582. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE, 0);
  1583. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1584. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1585. /* Enable PFC again */
  1586. EMAC_WR(bp, EMAC_REG_RX_PFC_MODE,
  1587. EMAC_REG_RX_PFC_MODE_RX_EN |
  1588. EMAC_REG_RX_PFC_MODE_TX_EN |
  1589. EMAC_REG_RX_PFC_MODE_PRIORITIES);
  1590. EMAC_WR(bp, EMAC_REG_RX_PFC_PARAM,
  1591. ((0x0101 <<
  1592. EMAC_REG_RX_PFC_PARAM_OPCODE_BITSHIFT) |
  1593. (0x00ff <<
  1594. EMAC_REG_RX_PFC_PARAM_PRIORITY_EN_BITSHIFT)));
  1595. val |= EMAC_RX_MODE_KEEP_MAC_CONTROL;
  1596. }
  1597. EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
  1598. /* Set Loopback */
  1599. val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
  1600. if (lb)
  1601. val |= 0x810;
  1602. else
  1603. val &= ~0x810;
  1604. EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
  1605. /* enable emac */
  1606. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
  1607. /* enable emac for jumbo packets */
  1608. EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
  1609. (EMAC_RX_MTU_SIZE_JUMBO_ENA |
  1610. (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
  1611. /* strip CRC */
  1612. REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
  1613. /* disable the NIG in/out to the bmac */
  1614. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
  1615. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
  1616. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
  1617. /* enable the NIG in/out to the emac */
  1618. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
  1619. val = 0;
  1620. if ((params->feature_config_flags &
  1621. FEATURE_CONFIG_PFC_ENABLED) ||
  1622. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1623. val = 1;
  1624. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
  1625. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
  1626. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
  1627. vars->mac_type = MAC_TYPE_EMAC;
  1628. return 0;
  1629. }
  1630. static void bnx2x_update_pfc_bmac1(struct link_params *params,
  1631. struct link_vars *vars)
  1632. {
  1633. u32 wb_data[2];
  1634. struct bnx2x *bp = params->bp;
  1635. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1636. NIG_REG_INGRESS_BMAC0_MEM;
  1637. u32 val = 0x14;
  1638. if ((!(params->feature_config_flags &
  1639. FEATURE_CONFIG_PFC_ENABLED)) &&
  1640. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1641. /* Enable BigMAC to react on received Pause packets */
  1642. val |= (1<<5);
  1643. wb_data[0] = val;
  1644. wb_data[1] = 0;
  1645. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_data, 2);
  1646. /* tx control */
  1647. val = 0xc0;
  1648. if (!(params->feature_config_flags &
  1649. FEATURE_CONFIG_PFC_ENABLED) &&
  1650. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1651. val |= 0x800000;
  1652. wb_data[0] = val;
  1653. wb_data[1] = 0;
  1654. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_data, 2);
  1655. }
  1656. static void bnx2x_update_pfc_bmac2(struct link_params *params,
  1657. struct link_vars *vars,
  1658. u8 is_lb)
  1659. {
  1660. /* Set rx control: Strip CRC and enable BigMAC to relay
  1661. * control packets to the system as well
  1662. */
  1663. u32 wb_data[2];
  1664. struct bnx2x *bp = params->bp;
  1665. u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  1666. NIG_REG_INGRESS_BMAC0_MEM;
  1667. u32 val = 0x14;
  1668. if ((!(params->feature_config_flags &
  1669. FEATURE_CONFIG_PFC_ENABLED)) &&
  1670. (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX))
  1671. /* Enable BigMAC to react on received Pause packets */
  1672. val |= (1<<5);
  1673. wb_data[0] = val;
  1674. wb_data[1] = 0;
  1675. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL, wb_data, 2);
  1676. udelay(30);
  1677. /* Tx control */
  1678. val = 0xc0;
  1679. if (!(params->feature_config_flags &
  1680. FEATURE_CONFIG_PFC_ENABLED) &&
  1681. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  1682. val |= 0x800000;
  1683. wb_data[0] = val;
  1684. wb_data[1] = 0;
  1685. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL, wb_data, 2);
  1686. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED) {
  1687. DP(NETIF_MSG_LINK, "PFC is enabled\n");
  1688. /* Enable PFC RX & TX & STATS and set 8 COS */
  1689. wb_data[0] = 0x0;
  1690. wb_data[0] |= (1<<0); /* RX */
  1691. wb_data[0] |= (1<<1); /* TX */
  1692. wb_data[0] |= (1<<2); /* Force initial Xon */
  1693. wb_data[0] |= (1<<3); /* 8 cos */
  1694. wb_data[0] |= (1<<5); /* STATS */
  1695. wb_data[1] = 0;
  1696. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL,
  1697. wb_data, 2);
  1698. /* Clear the force Xon */
  1699. wb_data[0] &= ~(1<<2);
  1700. } else {
  1701. DP(NETIF_MSG_LINK, "PFC is disabled\n");
  1702. /* disable PFC RX & TX & STATS and set 8 COS */
  1703. wb_data[0] = 0x8;
  1704. wb_data[1] = 0;
  1705. }
  1706. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_PFC_CONTROL, wb_data, 2);
  1707. /* Set Time (based unit is 512 bit time) between automatic
  1708. * re-sending of PP packets amd enable automatic re-send of
  1709. * Per-Priroity Packet as long as pp_gen is asserted and
  1710. * pp_disable is low.
  1711. */
  1712. val = 0x8000;
  1713. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1714. val |= (1<<16); /* enable automatic re-send */
  1715. wb_data[0] = val;
  1716. wb_data[1] = 0;
  1717. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
  1718. wb_data, 2);
  1719. /* mac control */
  1720. val = 0x3; /* Enable RX and TX */
  1721. if (is_lb) {
  1722. val |= 0x4; /* Local loopback */
  1723. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  1724. }
  1725. /* When PFC enabled, Pass pause frames towards the NIG. */
  1726. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  1727. val |= ((1<<6)|(1<<5));
  1728. wb_data[0] = val;
  1729. wb_data[1] = 0;
  1730. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  1731. }
  1732. /* PFC BRB internal port configuration params */
  1733. struct bnx2x_pfc_brb_threshold_val {
  1734. u32 pause_xoff;
  1735. u32 pause_xon;
  1736. u32 full_xoff;
  1737. u32 full_xon;
  1738. };
  1739. struct bnx2x_pfc_brb_e3b0_val {
  1740. u32 per_class_guaranty_mode;
  1741. u32 lb_guarantied_hyst;
  1742. u32 full_lb_xoff_th;
  1743. u32 full_lb_xon_threshold;
  1744. u32 lb_guarantied;
  1745. u32 mac_0_class_t_guarantied;
  1746. u32 mac_0_class_t_guarantied_hyst;
  1747. u32 mac_1_class_t_guarantied;
  1748. u32 mac_1_class_t_guarantied_hyst;
  1749. };
  1750. struct bnx2x_pfc_brb_th_val {
  1751. struct bnx2x_pfc_brb_threshold_val pauseable_th;
  1752. struct bnx2x_pfc_brb_threshold_val non_pauseable_th;
  1753. struct bnx2x_pfc_brb_threshold_val default_class0;
  1754. struct bnx2x_pfc_brb_threshold_val default_class1;
  1755. };
  1756. static int bnx2x_pfc_brb_get_config_params(
  1757. struct link_params *params,
  1758. struct bnx2x_pfc_brb_th_val *config_val)
  1759. {
  1760. struct bnx2x *bp = params->bp;
  1761. DP(NETIF_MSG_LINK, "Setting PFC BRB configuration\n");
  1762. config_val->default_class1.pause_xoff = 0;
  1763. config_val->default_class1.pause_xon = 0;
  1764. config_val->default_class1.full_xoff = 0;
  1765. config_val->default_class1.full_xon = 0;
  1766. if (CHIP_IS_E2(bp)) {
  1767. /* Class0 defaults */
  1768. config_val->default_class0.pause_xoff =
  1769. DEFAULT0_E2_BRB_MAC_PAUSE_XOFF_THR;
  1770. config_val->default_class0.pause_xon =
  1771. DEFAULT0_E2_BRB_MAC_PAUSE_XON_THR;
  1772. config_val->default_class0.full_xoff =
  1773. DEFAULT0_E2_BRB_MAC_FULL_XOFF_THR;
  1774. config_val->default_class0.full_xon =
  1775. DEFAULT0_E2_BRB_MAC_FULL_XON_THR;
  1776. /* Pause able*/
  1777. config_val->pauseable_th.pause_xoff =
  1778. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1779. config_val->pauseable_th.pause_xon =
  1780. PFC_E2_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1781. config_val->pauseable_th.full_xoff =
  1782. PFC_E2_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1783. config_val->pauseable_th.full_xon =
  1784. PFC_E2_BRB_MAC_FULL_XON_THR_PAUSE;
  1785. /* non pause able*/
  1786. config_val->non_pauseable_th.pause_xoff =
  1787. PFC_E2_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1788. config_val->non_pauseable_th.pause_xon =
  1789. PFC_E2_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1790. config_val->non_pauseable_th.full_xoff =
  1791. PFC_E2_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1792. config_val->non_pauseable_th.full_xon =
  1793. PFC_E2_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1794. } else if (CHIP_IS_E3A0(bp)) {
  1795. /* Class0 defaults */
  1796. config_val->default_class0.pause_xoff =
  1797. DEFAULT0_E3A0_BRB_MAC_PAUSE_XOFF_THR;
  1798. config_val->default_class0.pause_xon =
  1799. DEFAULT0_E3A0_BRB_MAC_PAUSE_XON_THR;
  1800. config_val->default_class0.full_xoff =
  1801. DEFAULT0_E3A0_BRB_MAC_FULL_XOFF_THR;
  1802. config_val->default_class0.full_xon =
  1803. DEFAULT0_E3A0_BRB_MAC_FULL_XON_THR;
  1804. /* Pause able */
  1805. config_val->pauseable_th.pause_xoff =
  1806. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1807. config_val->pauseable_th.pause_xon =
  1808. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1809. config_val->pauseable_th.full_xoff =
  1810. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1811. config_val->pauseable_th.full_xon =
  1812. PFC_E3A0_BRB_MAC_FULL_XON_THR_PAUSE;
  1813. /* non pause able*/
  1814. config_val->non_pauseable_th.pause_xoff =
  1815. PFC_E3A0_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1816. config_val->non_pauseable_th.pause_xon =
  1817. PFC_E3A0_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1818. config_val->non_pauseable_th.full_xoff =
  1819. PFC_E3A0_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1820. config_val->non_pauseable_th.full_xon =
  1821. PFC_E3A0_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1822. } else if (CHIP_IS_E3B0(bp)) {
  1823. /* Class0 defaults */
  1824. config_val->default_class0.pause_xoff =
  1825. DEFAULT0_E3B0_BRB_MAC_PAUSE_XOFF_THR;
  1826. config_val->default_class0.pause_xon =
  1827. DEFAULT0_E3B0_BRB_MAC_PAUSE_XON_THR;
  1828. config_val->default_class0.full_xoff =
  1829. DEFAULT0_E3B0_BRB_MAC_FULL_XOFF_THR;
  1830. config_val->default_class0.full_xon =
  1831. DEFAULT0_E3B0_BRB_MAC_FULL_XON_THR;
  1832. if (params->phy[INT_PHY].flags &
  1833. FLAGS_4_PORT_MODE) {
  1834. config_val->pauseable_th.pause_xoff =
  1835. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1836. config_val->pauseable_th.pause_xon =
  1837. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1838. config_val->pauseable_th.full_xoff =
  1839. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1840. config_val->pauseable_th.full_xon =
  1841. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_PAUSE;
  1842. /* non pause able*/
  1843. config_val->non_pauseable_th.pause_xoff =
  1844. PFC_E3B0_4P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1845. config_val->non_pauseable_th.pause_xon =
  1846. PFC_E3B0_4P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1847. config_val->non_pauseable_th.full_xoff =
  1848. PFC_E3B0_4P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1849. config_val->non_pauseable_th.full_xon =
  1850. PFC_E3B0_4P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1851. } else {
  1852. config_val->pauseable_th.pause_xoff =
  1853. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_PAUSE;
  1854. config_val->pauseable_th.pause_xon =
  1855. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_PAUSE;
  1856. config_val->pauseable_th.full_xoff =
  1857. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_PAUSE;
  1858. config_val->pauseable_th.full_xon =
  1859. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_PAUSE;
  1860. /* non pause able*/
  1861. config_val->non_pauseable_th.pause_xoff =
  1862. PFC_E3B0_2P_BRB_MAC_PAUSE_XOFF_THR_NON_PAUSE;
  1863. config_val->non_pauseable_th.pause_xon =
  1864. PFC_E3B0_2P_BRB_MAC_PAUSE_XON_THR_NON_PAUSE;
  1865. config_val->non_pauseable_th.full_xoff =
  1866. PFC_E3B0_2P_BRB_MAC_FULL_XOFF_THR_NON_PAUSE;
  1867. config_val->non_pauseable_th.full_xon =
  1868. PFC_E3B0_2P_BRB_MAC_FULL_XON_THR_NON_PAUSE;
  1869. }
  1870. } else
  1871. return -EINVAL;
  1872. return 0;
  1873. }
  1874. static void bnx2x_pfc_brb_get_e3b0_config_params(
  1875. struct link_params *params,
  1876. struct bnx2x_pfc_brb_e3b0_val
  1877. *e3b0_val,
  1878. struct bnx2x_nig_brb_pfc_port_params *pfc_params,
  1879. const u8 pfc_enabled)
  1880. {
  1881. if (pfc_enabled && pfc_params) {
  1882. e3b0_val->per_class_guaranty_mode = 1;
  1883. e3b0_val->lb_guarantied_hyst = 80;
  1884. if (params->phy[INT_PHY].flags &
  1885. FLAGS_4_PORT_MODE) {
  1886. e3b0_val->full_lb_xoff_th =
  1887. PFC_E3B0_4P_BRB_FULL_LB_XOFF_THR;
  1888. e3b0_val->full_lb_xon_threshold =
  1889. PFC_E3B0_4P_BRB_FULL_LB_XON_THR;
  1890. e3b0_val->lb_guarantied =
  1891. PFC_E3B0_4P_LB_GUART;
  1892. e3b0_val->mac_0_class_t_guarantied =
  1893. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART;
  1894. e3b0_val->mac_0_class_t_guarantied_hyst =
  1895. PFC_E3B0_4P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1896. e3b0_val->mac_1_class_t_guarantied =
  1897. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART;
  1898. e3b0_val->mac_1_class_t_guarantied_hyst =
  1899. PFC_E3B0_4P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1900. } else {
  1901. e3b0_val->full_lb_xoff_th =
  1902. PFC_E3B0_2P_BRB_FULL_LB_XOFF_THR;
  1903. e3b0_val->full_lb_xon_threshold =
  1904. PFC_E3B0_2P_BRB_FULL_LB_XON_THR;
  1905. e3b0_val->mac_0_class_t_guarantied_hyst =
  1906. PFC_E3B0_2P_BRB_MAC_0_CLASS_T_GUART_HYST;
  1907. e3b0_val->mac_1_class_t_guarantied =
  1908. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART;
  1909. e3b0_val->mac_1_class_t_guarantied_hyst =
  1910. PFC_E3B0_2P_BRB_MAC_1_CLASS_T_GUART_HYST;
  1911. if (pfc_params->cos0_pauseable !=
  1912. pfc_params->cos1_pauseable) {
  1913. /* nonpauseable= Lossy + pauseable = Lossless*/
  1914. e3b0_val->lb_guarantied =
  1915. PFC_E3B0_2P_MIX_PAUSE_LB_GUART;
  1916. e3b0_val->mac_0_class_t_guarantied =
  1917. PFC_E3B0_2P_MIX_PAUSE_MAC_0_CLASS_T_GUART;
  1918. } else if (pfc_params->cos0_pauseable) {
  1919. /* Lossless +Lossless*/
  1920. e3b0_val->lb_guarantied =
  1921. PFC_E3B0_2P_PAUSE_LB_GUART;
  1922. e3b0_val->mac_0_class_t_guarantied =
  1923. PFC_E3B0_2P_PAUSE_MAC_0_CLASS_T_GUART;
  1924. } else {
  1925. /* Lossy +Lossy*/
  1926. e3b0_val->lb_guarantied =
  1927. PFC_E3B0_2P_NON_PAUSE_LB_GUART;
  1928. e3b0_val->mac_0_class_t_guarantied =
  1929. PFC_E3B0_2P_NON_PAUSE_MAC_0_CLASS_T_GUART;
  1930. }
  1931. }
  1932. } else {
  1933. e3b0_val->per_class_guaranty_mode = 0;
  1934. e3b0_val->lb_guarantied_hyst = 0;
  1935. e3b0_val->full_lb_xoff_th =
  1936. DEFAULT_E3B0_BRB_FULL_LB_XOFF_THR;
  1937. e3b0_val->full_lb_xon_threshold =
  1938. DEFAULT_E3B0_BRB_FULL_LB_XON_THR;
  1939. e3b0_val->lb_guarantied =
  1940. DEFAULT_E3B0_LB_GUART;
  1941. e3b0_val->mac_0_class_t_guarantied =
  1942. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART;
  1943. e3b0_val->mac_0_class_t_guarantied_hyst =
  1944. DEFAULT_E3B0_BRB_MAC_0_CLASS_T_GUART_HYST;
  1945. e3b0_val->mac_1_class_t_guarantied =
  1946. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART;
  1947. e3b0_val->mac_1_class_t_guarantied_hyst =
  1948. DEFAULT_E3B0_BRB_MAC_1_CLASS_T_GUART_HYST;
  1949. }
  1950. }
  1951. static int bnx2x_update_pfc_brb(struct link_params *params,
  1952. struct link_vars *vars,
  1953. struct bnx2x_nig_brb_pfc_port_params
  1954. *pfc_params)
  1955. {
  1956. struct bnx2x *bp = params->bp;
  1957. struct bnx2x_pfc_brb_th_val config_val = { {0} };
  1958. struct bnx2x_pfc_brb_threshold_val *reg_th_config =
  1959. &config_val.pauseable_th;
  1960. struct bnx2x_pfc_brb_e3b0_val e3b0_val = {0};
  1961. const int set_pfc = params->feature_config_flags &
  1962. FEATURE_CONFIG_PFC_ENABLED;
  1963. const u8 pfc_enabled = (set_pfc && pfc_params);
  1964. int bnx2x_status = 0;
  1965. u8 port = params->port;
  1966. /* default - pause configuration */
  1967. reg_th_config = &config_val.pauseable_th;
  1968. bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
  1969. if (bnx2x_status)
  1970. return bnx2x_status;
  1971. if (pfc_enabled) {
  1972. /* First COS */
  1973. if (pfc_params->cos0_pauseable)
  1974. reg_th_config = &config_val.pauseable_th;
  1975. else
  1976. reg_th_config = &config_val.non_pauseable_th;
  1977. } else
  1978. reg_th_config = &config_val.default_class0;
  1979. /* The number of free blocks below which the pause signal to class 0
  1980. * of MAC #n is asserted. n=0,1
  1981. */
  1982. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XOFF_THRESHOLD_1 :
  1983. BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 ,
  1984. reg_th_config->pause_xoff);
  1985. /* The number of free blocks above which the pause signal to class 0
  1986. * of MAC #n is de-asserted. n=0,1
  1987. */
  1988. REG_WR(bp, (port) ? BRB1_REG_PAUSE_0_XON_THRESHOLD_1 :
  1989. BRB1_REG_PAUSE_0_XON_THRESHOLD_0 , reg_th_config->pause_xon);
  1990. /* The number of free blocks below which the full signal to class 0
  1991. * of MAC #n is asserted. n=0,1
  1992. */
  1993. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XOFF_THRESHOLD_1 :
  1994. BRB1_REG_FULL_0_XOFF_THRESHOLD_0 , reg_th_config->full_xoff);
  1995. /* The number of free blocks above which the full signal to class 0
  1996. * of MAC #n is de-asserted. n=0,1
  1997. */
  1998. REG_WR(bp, (port) ? BRB1_REG_FULL_0_XON_THRESHOLD_1 :
  1999. BRB1_REG_FULL_0_XON_THRESHOLD_0 , reg_th_config->full_xon);
  2000. if (pfc_enabled) {
  2001. /* Second COS */
  2002. if (pfc_params->cos1_pauseable)
  2003. reg_th_config = &config_val.pauseable_th;
  2004. else
  2005. reg_th_config = &config_val.non_pauseable_th;
  2006. } else
  2007. reg_th_config = &config_val.default_class1;
  2008. /* The number of free blocks below which the pause signal to
  2009. * class 1 of MAC #n is asserted. n=0,1
  2010. */
  2011. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XOFF_THRESHOLD_1 :
  2012. BRB1_REG_PAUSE_1_XOFF_THRESHOLD_0,
  2013. reg_th_config->pause_xoff);
  2014. /* The number of free blocks above which the pause signal to
  2015. * class 1 of MAC #n is de-asserted. n=0,1
  2016. */
  2017. REG_WR(bp, (port) ? BRB1_REG_PAUSE_1_XON_THRESHOLD_1 :
  2018. BRB1_REG_PAUSE_1_XON_THRESHOLD_0,
  2019. reg_th_config->pause_xon);
  2020. /* The number of free blocks below which the full signal to
  2021. * class 1 of MAC #n is asserted. n=0,1
  2022. */
  2023. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XOFF_THRESHOLD_1 :
  2024. BRB1_REG_FULL_1_XOFF_THRESHOLD_0,
  2025. reg_th_config->full_xoff);
  2026. /* The number of free blocks above which the full signal to
  2027. * class 1 of MAC #n is de-asserted. n=0,1
  2028. */
  2029. REG_WR(bp, (port) ? BRB1_REG_FULL_1_XON_THRESHOLD_1 :
  2030. BRB1_REG_FULL_1_XON_THRESHOLD_0,
  2031. reg_th_config->full_xon);
  2032. if (CHIP_IS_E3B0(bp)) {
  2033. bnx2x_pfc_brb_get_e3b0_config_params(
  2034. params,
  2035. &e3b0_val,
  2036. pfc_params,
  2037. pfc_enabled);
  2038. REG_WR(bp, BRB1_REG_PER_CLASS_GUARANTY_MODE,
  2039. e3b0_val.per_class_guaranty_mode);
  2040. /* The hysteresis on the guarantied buffer space for the Lb
  2041. * port before signaling XON.
  2042. */
  2043. REG_WR(bp, BRB1_REG_LB_GUARANTIED_HYST,
  2044. e3b0_val.lb_guarantied_hyst);
  2045. /* The number of free blocks below which the full signal to the
  2046. * LB port is asserted.
  2047. */
  2048. REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD,
  2049. e3b0_val.full_lb_xoff_th);
  2050. /* The number of free blocks above which the full signal to the
  2051. * LB port is de-asserted.
  2052. */
  2053. REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD,
  2054. e3b0_val.full_lb_xon_threshold);
  2055. /* The number of blocks guarantied for the MAC #n port. n=0,1
  2056. */
  2057. /* The number of blocks guarantied for the LB port. */
  2058. REG_WR(bp, BRB1_REG_LB_GUARANTIED,
  2059. e3b0_val.lb_guarantied);
  2060. /* The number of blocks guarantied for the MAC #n port. */
  2061. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_0,
  2062. 2 * e3b0_val.mac_0_class_t_guarantied);
  2063. REG_WR(bp, BRB1_REG_MAC_GUARANTIED_1,
  2064. 2 * e3b0_val.mac_1_class_t_guarantied);
  2065. /* The number of blocks guarantied for class #t in MAC0. t=0,1
  2066. */
  2067. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED,
  2068. e3b0_val.mac_0_class_t_guarantied);
  2069. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED,
  2070. e3b0_val.mac_0_class_t_guarantied);
  2071. /* The hysteresis on the guarantied buffer space for class in
  2072. * MAC0. t=0,1
  2073. */
  2074. REG_WR(bp, BRB1_REG_MAC_0_CLASS_0_GUARANTIED_HYST,
  2075. e3b0_val.mac_0_class_t_guarantied_hyst);
  2076. REG_WR(bp, BRB1_REG_MAC_0_CLASS_1_GUARANTIED_HYST,
  2077. e3b0_val.mac_0_class_t_guarantied_hyst);
  2078. /* The number of blocks guarantied for class #t in MAC1.t=0,1
  2079. */
  2080. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED,
  2081. e3b0_val.mac_1_class_t_guarantied);
  2082. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED,
  2083. e3b0_val.mac_1_class_t_guarantied);
  2084. /* The hysteresis on the guarantied buffer space for class #t
  2085. * in MAC1. t=0,1
  2086. */
  2087. REG_WR(bp, BRB1_REG_MAC_1_CLASS_0_GUARANTIED_HYST,
  2088. e3b0_val.mac_1_class_t_guarantied_hyst);
  2089. REG_WR(bp, BRB1_REG_MAC_1_CLASS_1_GUARANTIED_HYST,
  2090. e3b0_val.mac_1_class_t_guarantied_hyst);
  2091. }
  2092. return bnx2x_status;
  2093. }
  2094. /******************************************************************************
  2095. * Description:
  2096. * This function is needed because NIG ARB_CREDIT_WEIGHT_X are
  2097. * not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
  2098. ******************************************************************************/
  2099. int bnx2x_pfc_nig_rx_priority_mask(struct bnx2x *bp,
  2100. u8 cos_entry,
  2101. u32 priority_mask, u8 port)
  2102. {
  2103. u32 nig_reg_rx_priority_mask_add = 0;
  2104. switch (cos_entry) {
  2105. case 0:
  2106. nig_reg_rx_priority_mask_add = (port) ?
  2107. NIG_REG_P1_RX_COS0_PRIORITY_MASK :
  2108. NIG_REG_P0_RX_COS0_PRIORITY_MASK;
  2109. break;
  2110. case 1:
  2111. nig_reg_rx_priority_mask_add = (port) ?
  2112. NIG_REG_P1_RX_COS1_PRIORITY_MASK :
  2113. NIG_REG_P0_RX_COS1_PRIORITY_MASK;
  2114. break;
  2115. case 2:
  2116. nig_reg_rx_priority_mask_add = (port) ?
  2117. NIG_REG_P1_RX_COS2_PRIORITY_MASK :
  2118. NIG_REG_P0_RX_COS2_PRIORITY_MASK;
  2119. break;
  2120. case 3:
  2121. if (port)
  2122. return -EINVAL;
  2123. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS3_PRIORITY_MASK;
  2124. break;
  2125. case 4:
  2126. if (port)
  2127. return -EINVAL;
  2128. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS4_PRIORITY_MASK;
  2129. break;
  2130. case 5:
  2131. if (port)
  2132. return -EINVAL;
  2133. nig_reg_rx_priority_mask_add = NIG_REG_P0_RX_COS5_PRIORITY_MASK;
  2134. break;
  2135. }
  2136. REG_WR(bp, nig_reg_rx_priority_mask_add, priority_mask);
  2137. return 0;
  2138. }
  2139. static void bnx2x_update_mng(struct link_params *params, u32 link_status)
  2140. {
  2141. struct bnx2x *bp = params->bp;
  2142. REG_WR(bp, params->shmem_base +
  2143. offsetof(struct shmem_region,
  2144. port_mb[params->port].link_status), link_status);
  2145. }
  2146. static void bnx2x_update_pfc_nig(struct link_params *params,
  2147. struct link_vars *vars,
  2148. struct bnx2x_nig_brb_pfc_port_params *nig_params)
  2149. {
  2150. u32 xcm_mask = 0, ppp_enable = 0, pause_enable = 0, llfc_out_en = 0;
  2151. u32 llfc_enable = 0, xcm_out_en = 0, hwpfc_enable = 0;
  2152. u32 pkt_priority_to_cos = 0;
  2153. struct bnx2x *bp = params->bp;
  2154. u8 port = params->port;
  2155. int set_pfc = params->feature_config_flags &
  2156. FEATURE_CONFIG_PFC_ENABLED;
  2157. DP(NETIF_MSG_LINK, "updating pfc nig parameters\n");
  2158. /* When NIG_LLH0_XCM_MASK_REG_LLHX_XCM_MASK_BCN bit is set
  2159. * MAC control frames (that are not pause packets)
  2160. * will be forwarded to the XCM.
  2161. */
  2162. xcm_mask = REG_RD(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2163. NIG_REG_LLH0_XCM_MASK);
  2164. /* NIG params will override non PFC params, since it's possible to
  2165. * do transition from PFC to SAFC
  2166. */
  2167. if (set_pfc) {
  2168. pause_enable = 0;
  2169. llfc_out_en = 0;
  2170. llfc_enable = 0;
  2171. if (CHIP_IS_E3(bp))
  2172. ppp_enable = 0;
  2173. else
  2174. ppp_enable = 1;
  2175. xcm_mask &= ~(port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2176. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2177. xcm_out_en = 0;
  2178. hwpfc_enable = 1;
  2179. } else {
  2180. if (nig_params) {
  2181. llfc_out_en = nig_params->llfc_out_en;
  2182. llfc_enable = nig_params->llfc_enable;
  2183. pause_enable = nig_params->pause_enable;
  2184. } else /* Default non PFC mode - PAUSE */
  2185. pause_enable = 1;
  2186. xcm_mask |= (port ? NIG_LLH1_XCM_MASK_REG_LLH1_XCM_MASK_BCN :
  2187. NIG_LLH0_XCM_MASK_REG_LLH0_XCM_MASK_BCN);
  2188. xcm_out_en = 1;
  2189. }
  2190. if (CHIP_IS_E3(bp))
  2191. REG_WR(bp, port ? NIG_REG_BRB1_PAUSE_IN_EN :
  2192. NIG_REG_BRB0_PAUSE_IN_EN, pause_enable);
  2193. REG_WR(bp, port ? NIG_REG_LLFC_OUT_EN_1 :
  2194. NIG_REG_LLFC_OUT_EN_0, llfc_out_en);
  2195. REG_WR(bp, port ? NIG_REG_LLFC_ENABLE_1 :
  2196. NIG_REG_LLFC_ENABLE_0, llfc_enable);
  2197. REG_WR(bp, port ? NIG_REG_PAUSE_ENABLE_1 :
  2198. NIG_REG_PAUSE_ENABLE_0, pause_enable);
  2199. REG_WR(bp, port ? NIG_REG_PPP_ENABLE_1 :
  2200. NIG_REG_PPP_ENABLE_0, ppp_enable);
  2201. REG_WR(bp, port ? NIG_REG_LLH1_XCM_MASK :
  2202. NIG_REG_LLH0_XCM_MASK, xcm_mask);
  2203. REG_WR(bp, port ? NIG_REG_LLFC_EGRESS_SRC_ENABLE_1 :
  2204. NIG_REG_LLFC_EGRESS_SRC_ENABLE_0, 0x7);
  2205. /* output enable for RX_XCM # IF */
  2206. REG_WR(bp, port ? NIG_REG_XCM1_OUT_EN :
  2207. NIG_REG_XCM0_OUT_EN, xcm_out_en);
  2208. /* HW PFC TX enable */
  2209. REG_WR(bp, port ? NIG_REG_P1_HWPFC_ENABLE :
  2210. NIG_REG_P0_HWPFC_ENABLE, hwpfc_enable);
  2211. if (nig_params) {
  2212. u8 i = 0;
  2213. pkt_priority_to_cos = nig_params->pkt_priority_to_cos;
  2214. for (i = 0; i < nig_params->num_of_rx_cos_priority_mask; i++)
  2215. bnx2x_pfc_nig_rx_priority_mask(bp, i,
  2216. nig_params->rx_cos_priority_mask[i], port);
  2217. REG_WR(bp, port ? NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_1 :
  2218. NIG_REG_LLFC_HIGH_PRIORITY_CLASSES_0,
  2219. nig_params->llfc_high_priority_classes);
  2220. REG_WR(bp, port ? NIG_REG_LLFC_LOW_PRIORITY_CLASSES_1 :
  2221. NIG_REG_LLFC_LOW_PRIORITY_CLASSES_0,
  2222. nig_params->llfc_low_priority_classes);
  2223. }
  2224. REG_WR(bp, port ? NIG_REG_P1_PKT_PRIORITY_TO_COS :
  2225. NIG_REG_P0_PKT_PRIORITY_TO_COS,
  2226. pkt_priority_to_cos);
  2227. }
  2228. int bnx2x_update_pfc(struct link_params *params,
  2229. struct link_vars *vars,
  2230. struct bnx2x_nig_brb_pfc_port_params *pfc_params)
  2231. {
  2232. /* The PFC and pause are orthogonal to one another, meaning when
  2233. * PFC is enabled, the pause are disabled, and when PFC is
  2234. * disabled, pause are set according to the pause result.
  2235. */
  2236. u32 val;
  2237. struct bnx2x *bp = params->bp;
  2238. int bnx2x_status = 0;
  2239. u8 bmac_loopback = (params->loopback_mode == LOOPBACK_BMAC);
  2240. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  2241. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  2242. else
  2243. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  2244. bnx2x_update_mng(params, vars->link_status);
  2245. /* update NIG params */
  2246. bnx2x_update_pfc_nig(params, vars, pfc_params);
  2247. /* update BRB params */
  2248. bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
  2249. if (bnx2x_status)
  2250. return bnx2x_status;
  2251. if (!vars->link_up)
  2252. return bnx2x_status;
  2253. DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n");
  2254. if (CHIP_IS_E3(bp))
  2255. bnx2x_update_pfc_xmac(params, vars, 0);
  2256. else {
  2257. val = REG_RD(bp, MISC_REG_RESET_REG_2);
  2258. if ((val &
  2259. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port))
  2260. == 0) {
  2261. DP(NETIF_MSG_LINK, "About to update PFC in EMAC\n");
  2262. bnx2x_emac_enable(params, vars, 0);
  2263. return bnx2x_status;
  2264. }
  2265. if (CHIP_IS_E2(bp))
  2266. bnx2x_update_pfc_bmac2(params, vars, bmac_loopback);
  2267. else
  2268. bnx2x_update_pfc_bmac1(params, vars);
  2269. val = 0;
  2270. if ((params->feature_config_flags &
  2271. FEATURE_CONFIG_PFC_ENABLED) ||
  2272. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2273. val = 1;
  2274. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + params->port*4, val);
  2275. }
  2276. return bnx2x_status;
  2277. }
  2278. static int bnx2x_bmac1_enable(struct link_params *params,
  2279. struct link_vars *vars,
  2280. u8 is_lb)
  2281. {
  2282. struct bnx2x *bp = params->bp;
  2283. u8 port = params->port;
  2284. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2285. NIG_REG_INGRESS_BMAC0_MEM;
  2286. u32 wb_data[2];
  2287. u32 val;
  2288. DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
  2289. /* XGXS control */
  2290. wb_data[0] = 0x3c;
  2291. wb_data[1] = 0;
  2292. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
  2293. wb_data, 2);
  2294. /* tx MAC SA */
  2295. wb_data[0] = ((params->mac_addr[2] << 24) |
  2296. (params->mac_addr[3] << 16) |
  2297. (params->mac_addr[4] << 8) |
  2298. params->mac_addr[5]);
  2299. wb_data[1] = ((params->mac_addr[0] << 8) |
  2300. params->mac_addr[1]);
  2301. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_data, 2);
  2302. /* mac control */
  2303. val = 0x3;
  2304. if (is_lb) {
  2305. val |= 0x4;
  2306. DP(NETIF_MSG_LINK, "enable bmac loopback\n");
  2307. }
  2308. wb_data[0] = val;
  2309. wb_data[1] = 0;
  2310. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_data, 2);
  2311. /* set rx mtu */
  2312. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2313. wb_data[1] = 0;
  2314. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2315. bnx2x_update_pfc_bmac1(params, vars);
  2316. /* set tx mtu */
  2317. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2318. wb_data[1] = 0;
  2319. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2320. /* set cnt max size */
  2321. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2322. wb_data[1] = 0;
  2323. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2324. /* configure safc */
  2325. wb_data[0] = 0x1000200;
  2326. wb_data[1] = 0;
  2327. REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
  2328. wb_data, 2);
  2329. return 0;
  2330. }
  2331. static int bnx2x_bmac2_enable(struct link_params *params,
  2332. struct link_vars *vars,
  2333. u8 is_lb)
  2334. {
  2335. struct bnx2x *bp = params->bp;
  2336. u8 port = params->port;
  2337. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2338. NIG_REG_INGRESS_BMAC0_MEM;
  2339. u32 wb_data[2];
  2340. DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
  2341. wb_data[0] = 0;
  2342. wb_data[1] = 0;
  2343. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL, wb_data, 2);
  2344. udelay(30);
  2345. /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
  2346. wb_data[0] = 0x3c;
  2347. wb_data[1] = 0;
  2348. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
  2349. wb_data, 2);
  2350. udelay(30);
  2351. /* tx MAC SA */
  2352. wb_data[0] = ((params->mac_addr[2] << 24) |
  2353. (params->mac_addr[3] << 16) |
  2354. (params->mac_addr[4] << 8) |
  2355. params->mac_addr[5]);
  2356. wb_data[1] = ((params->mac_addr[0] << 8) |
  2357. params->mac_addr[1]);
  2358. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
  2359. wb_data, 2);
  2360. udelay(30);
  2361. /* Configure SAFC */
  2362. wb_data[0] = 0x1000200;
  2363. wb_data[1] = 0;
  2364. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
  2365. wb_data, 2);
  2366. udelay(30);
  2367. /* set rx mtu */
  2368. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2369. wb_data[1] = 0;
  2370. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE, wb_data, 2);
  2371. udelay(30);
  2372. /* set tx mtu */
  2373. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
  2374. wb_data[1] = 0;
  2375. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE, wb_data, 2);
  2376. udelay(30);
  2377. /* set cnt max size */
  2378. wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
  2379. wb_data[1] = 0;
  2380. REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE, wb_data, 2);
  2381. udelay(30);
  2382. bnx2x_update_pfc_bmac2(params, vars, is_lb);
  2383. return 0;
  2384. }
  2385. static int bnx2x_bmac_enable(struct link_params *params,
  2386. struct link_vars *vars,
  2387. u8 is_lb)
  2388. {
  2389. int rc = 0;
  2390. u8 port = params->port;
  2391. struct bnx2x *bp = params->bp;
  2392. u32 val;
  2393. /* reset and unreset the BigMac */
  2394. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  2395. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2396. msleep(1);
  2397. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
  2398. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  2399. /* enable access for bmac registers */
  2400. REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
  2401. /* Enable BMAC according to BMAC type*/
  2402. if (CHIP_IS_E2(bp))
  2403. rc = bnx2x_bmac2_enable(params, vars, is_lb);
  2404. else
  2405. rc = bnx2x_bmac1_enable(params, vars, is_lb);
  2406. REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
  2407. REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
  2408. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
  2409. val = 0;
  2410. if ((params->feature_config_flags &
  2411. FEATURE_CONFIG_PFC_ENABLED) ||
  2412. (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX))
  2413. val = 1;
  2414. REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
  2415. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
  2416. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
  2417. REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
  2418. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
  2419. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
  2420. vars->mac_type = MAC_TYPE_BMAC;
  2421. return rc;
  2422. }
  2423. static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
  2424. {
  2425. u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
  2426. NIG_REG_INGRESS_BMAC0_MEM;
  2427. u32 wb_data[2];
  2428. u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
  2429. /* Only if the bmac is out of reset */
  2430. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  2431. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
  2432. nig_bmac_enable) {
  2433. if (CHIP_IS_E2(bp)) {
  2434. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2435. REG_RD_DMAE(bp, bmac_addr +
  2436. BIGMAC2_REGISTER_BMAC_CONTROL,
  2437. wb_data, 2);
  2438. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2439. REG_WR_DMAE(bp, bmac_addr +
  2440. BIGMAC2_REGISTER_BMAC_CONTROL,
  2441. wb_data, 2);
  2442. } else {
  2443. /* Clear Rx Enable bit in BMAC_CONTROL register */
  2444. REG_RD_DMAE(bp, bmac_addr +
  2445. BIGMAC_REGISTER_BMAC_CONTROL,
  2446. wb_data, 2);
  2447. wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
  2448. REG_WR_DMAE(bp, bmac_addr +
  2449. BIGMAC_REGISTER_BMAC_CONTROL,
  2450. wb_data, 2);
  2451. }
  2452. msleep(1);
  2453. }
  2454. }
  2455. static int bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
  2456. u32 line_speed)
  2457. {
  2458. struct bnx2x *bp = params->bp;
  2459. u8 port = params->port;
  2460. u32 init_crd, crd;
  2461. u32 count = 1000;
  2462. /* disable port */
  2463. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
  2464. /* wait for init credit */
  2465. init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
  2466. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2467. DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
  2468. while ((init_crd != crd) && count) {
  2469. msleep(5);
  2470. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2471. count--;
  2472. }
  2473. crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
  2474. if (init_crd != crd) {
  2475. DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
  2476. init_crd, crd);
  2477. return -EINVAL;
  2478. }
  2479. if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
  2480. line_speed == SPEED_10 ||
  2481. line_speed == SPEED_100 ||
  2482. line_speed == SPEED_1000 ||
  2483. line_speed == SPEED_2500) {
  2484. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
  2485. /* update threshold */
  2486. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
  2487. /* update init credit */
  2488. init_crd = 778; /* (800-18-4) */
  2489. } else {
  2490. u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
  2491. ETH_OVREHEAD)/16;
  2492. REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
  2493. /* update threshold */
  2494. REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
  2495. /* update init credit */
  2496. switch (line_speed) {
  2497. case SPEED_10000:
  2498. init_crd = thresh + 553 - 22;
  2499. break;
  2500. default:
  2501. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  2502. line_speed);
  2503. return -EINVAL;
  2504. }
  2505. }
  2506. REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
  2507. DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
  2508. line_speed, init_crd);
  2509. /* probe the credit changes */
  2510. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
  2511. msleep(5);
  2512. REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
  2513. /* enable port */
  2514. REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
  2515. return 0;
  2516. }
  2517. /**
  2518. * bnx2x_get_emac_base - retrive emac base address
  2519. *
  2520. * @bp: driver handle
  2521. * @mdc_mdio_access: access type
  2522. * @port: port id
  2523. *
  2524. * This function selects the MDC/MDIO access (through emac0 or
  2525. * emac1) depend on the mdc_mdio_access, port, port swapped. Each
  2526. * phy has a default access mode, which could also be overridden
  2527. * by nvram configuration. This parameter, whether this is the
  2528. * default phy configuration, or the nvram overrun
  2529. * configuration, is passed here as mdc_mdio_access and selects
  2530. * the emac_base for the CL45 read/writes operations
  2531. */
  2532. static u32 bnx2x_get_emac_base(struct bnx2x *bp,
  2533. u32 mdc_mdio_access, u8 port)
  2534. {
  2535. u32 emac_base = 0;
  2536. switch (mdc_mdio_access) {
  2537. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
  2538. break;
  2539. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
  2540. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2541. emac_base = GRCBASE_EMAC1;
  2542. else
  2543. emac_base = GRCBASE_EMAC0;
  2544. break;
  2545. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
  2546. if (REG_RD(bp, NIG_REG_PORT_SWAP))
  2547. emac_base = GRCBASE_EMAC0;
  2548. else
  2549. emac_base = GRCBASE_EMAC1;
  2550. break;
  2551. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
  2552. emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2553. break;
  2554. case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
  2555. emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
  2556. break;
  2557. default:
  2558. break;
  2559. }
  2560. return emac_base;
  2561. }
  2562. /******************************************************************/
  2563. /* CL22 access functions */
  2564. /******************************************************************/
  2565. static int bnx2x_cl22_write(struct bnx2x *bp,
  2566. struct bnx2x_phy *phy,
  2567. u16 reg, u16 val)
  2568. {
  2569. u32 tmp, mode;
  2570. u8 i;
  2571. int rc = 0;
  2572. /* Switch to CL22 */
  2573. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2574. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2575. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2576. /* address */
  2577. tmp = ((phy->addr << 21) | (reg << 16) | val |
  2578. EMAC_MDIO_COMM_COMMAND_WRITE_22 |
  2579. EMAC_MDIO_COMM_START_BUSY);
  2580. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2581. for (i = 0; i < 50; i++) {
  2582. udelay(10);
  2583. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2584. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2585. udelay(5);
  2586. break;
  2587. }
  2588. }
  2589. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2590. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2591. rc = -EFAULT;
  2592. }
  2593. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2594. return rc;
  2595. }
  2596. static int bnx2x_cl22_read(struct bnx2x *bp,
  2597. struct bnx2x_phy *phy,
  2598. u16 reg, u16 *ret_val)
  2599. {
  2600. u32 val, mode;
  2601. u16 i;
  2602. int rc = 0;
  2603. /* Switch to CL22 */
  2604. mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
  2605. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE,
  2606. mode & ~EMAC_MDIO_MODE_CLAUSE_45);
  2607. /* address */
  2608. val = ((phy->addr << 21) | (reg << 16) |
  2609. EMAC_MDIO_COMM_COMMAND_READ_22 |
  2610. EMAC_MDIO_COMM_START_BUSY);
  2611. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2612. for (i = 0; i < 50; i++) {
  2613. udelay(10);
  2614. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2615. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2616. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2617. udelay(5);
  2618. break;
  2619. }
  2620. }
  2621. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2622. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2623. *ret_val = 0;
  2624. rc = -EFAULT;
  2625. }
  2626. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, mode);
  2627. return rc;
  2628. }
  2629. /******************************************************************/
  2630. /* CL45 access functions */
  2631. /******************************************************************/
  2632. static int bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
  2633. u8 devad, u16 reg, u16 *ret_val)
  2634. {
  2635. u32 val;
  2636. u16 i;
  2637. int rc = 0;
  2638. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2639. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2640. EMAC_MDIO_STATUS_10MB);
  2641. /* address */
  2642. val = ((phy->addr << 21) | (devad << 16) | reg |
  2643. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2644. EMAC_MDIO_COMM_START_BUSY);
  2645. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2646. for (i = 0; i < 50; i++) {
  2647. udelay(10);
  2648. val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2649. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2650. udelay(5);
  2651. break;
  2652. }
  2653. }
  2654. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2655. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2656. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2657. *ret_val = 0;
  2658. rc = -EFAULT;
  2659. } else {
  2660. /* data */
  2661. val = ((phy->addr << 21) | (devad << 16) |
  2662. EMAC_MDIO_COMM_COMMAND_READ_45 |
  2663. EMAC_MDIO_COMM_START_BUSY);
  2664. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
  2665. for (i = 0; i < 50; i++) {
  2666. udelay(10);
  2667. val = REG_RD(bp, phy->mdio_ctrl +
  2668. EMAC_REG_EMAC_MDIO_COMM);
  2669. if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
  2670. *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
  2671. break;
  2672. }
  2673. }
  2674. if (val & EMAC_MDIO_COMM_START_BUSY) {
  2675. DP(NETIF_MSG_LINK, "read phy register failed\n");
  2676. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2677. *ret_val = 0;
  2678. rc = -EFAULT;
  2679. }
  2680. }
  2681. /* Work around for E3 A0 */
  2682. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2683. phy->flags ^= FLAGS_DUMMY_READ;
  2684. if (phy->flags & FLAGS_DUMMY_READ) {
  2685. u16 temp_val;
  2686. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2687. }
  2688. }
  2689. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2690. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2691. EMAC_MDIO_STATUS_10MB);
  2692. return rc;
  2693. }
  2694. static int bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2695. u8 devad, u16 reg, u16 val)
  2696. {
  2697. u32 tmp;
  2698. u8 i;
  2699. int rc = 0;
  2700. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2701. bnx2x_bits_en(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2702. EMAC_MDIO_STATUS_10MB);
  2703. /* address */
  2704. tmp = ((phy->addr << 21) | (devad << 16) | reg |
  2705. EMAC_MDIO_COMM_COMMAND_ADDRESS |
  2706. EMAC_MDIO_COMM_START_BUSY);
  2707. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2708. for (i = 0; i < 50; i++) {
  2709. udelay(10);
  2710. tmp = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
  2711. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2712. udelay(5);
  2713. break;
  2714. }
  2715. }
  2716. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2717. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2718. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2719. rc = -EFAULT;
  2720. } else {
  2721. /* data */
  2722. tmp = ((phy->addr << 21) | (devad << 16) | val |
  2723. EMAC_MDIO_COMM_COMMAND_WRITE_45 |
  2724. EMAC_MDIO_COMM_START_BUSY);
  2725. REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
  2726. for (i = 0; i < 50; i++) {
  2727. udelay(10);
  2728. tmp = REG_RD(bp, phy->mdio_ctrl +
  2729. EMAC_REG_EMAC_MDIO_COMM);
  2730. if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
  2731. udelay(5);
  2732. break;
  2733. }
  2734. }
  2735. if (tmp & EMAC_MDIO_COMM_START_BUSY) {
  2736. DP(NETIF_MSG_LINK, "write phy register failed\n");
  2737. netdev_err(bp->dev, "MDC/MDIO access timeout\n");
  2738. rc = -EFAULT;
  2739. }
  2740. }
  2741. /* Work around for E3 A0 */
  2742. if (phy->flags & FLAGS_MDC_MDIO_WA) {
  2743. phy->flags ^= FLAGS_DUMMY_READ;
  2744. if (phy->flags & FLAGS_DUMMY_READ) {
  2745. u16 temp_val;
  2746. bnx2x_cl45_read(bp, phy, devad, 0xf, &temp_val);
  2747. }
  2748. }
  2749. if (phy->flags & FLAGS_MDC_MDIO_WA_B0)
  2750. bnx2x_bits_dis(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_STATUS,
  2751. EMAC_MDIO_STATUS_10MB);
  2752. return rc;
  2753. }
  2754. /******************************************************************/
  2755. /* BSC access functions from E3 */
  2756. /******************************************************************/
  2757. static void bnx2x_bsc_module_sel(struct link_params *params)
  2758. {
  2759. int idx;
  2760. u32 board_cfg, sfp_ctrl;
  2761. u32 i2c_pins[I2C_SWITCH_WIDTH], i2c_val[I2C_SWITCH_WIDTH];
  2762. struct bnx2x *bp = params->bp;
  2763. u8 port = params->port;
  2764. /* Read I2C output PINs */
  2765. board_cfg = REG_RD(bp, params->shmem_base +
  2766. offsetof(struct shmem_region,
  2767. dev_info.shared_hw_config.board));
  2768. i2c_pins[I2C_BSC0] = board_cfg & SHARED_HW_CFG_E3_I2C_MUX0_MASK;
  2769. i2c_pins[I2C_BSC1] = (board_cfg & SHARED_HW_CFG_E3_I2C_MUX1_MASK) >>
  2770. SHARED_HW_CFG_E3_I2C_MUX1_SHIFT;
  2771. /* Read I2C output value */
  2772. sfp_ctrl = REG_RD(bp, params->shmem_base +
  2773. offsetof(struct shmem_region,
  2774. dev_info.port_hw_config[port].e3_cmn_pin_cfg));
  2775. i2c_val[I2C_BSC0] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX0_MASK) > 0;
  2776. i2c_val[I2C_BSC1] = (sfp_ctrl & PORT_HW_CFG_E3_I2C_MUX1_MASK) > 0;
  2777. DP(NETIF_MSG_LINK, "Setting BSC switch\n");
  2778. for (idx = 0; idx < I2C_SWITCH_WIDTH; idx++)
  2779. bnx2x_set_cfg_pin(bp, i2c_pins[idx], i2c_val[idx]);
  2780. }
  2781. static int bnx2x_bsc_read(struct link_params *params,
  2782. struct bnx2x_phy *phy,
  2783. u8 sl_devid,
  2784. u16 sl_addr,
  2785. u8 lc_addr,
  2786. u8 xfer_cnt,
  2787. u32 *data_array)
  2788. {
  2789. u32 val, i;
  2790. int rc = 0;
  2791. struct bnx2x *bp = params->bp;
  2792. if ((sl_devid != 0xa0) && (sl_devid != 0xa2)) {
  2793. DP(NETIF_MSG_LINK, "invalid sl_devid 0x%x\n", sl_devid);
  2794. return -EINVAL;
  2795. }
  2796. if (xfer_cnt > 16) {
  2797. DP(NETIF_MSG_LINK, "invalid xfer_cnt %d. Max is 16 bytes\n",
  2798. xfer_cnt);
  2799. return -EINVAL;
  2800. }
  2801. bnx2x_bsc_module_sel(params);
  2802. xfer_cnt = 16 - lc_addr;
  2803. /* enable the engine */
  2804. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2805. val |= MCPR_IMC_COMMAND_ENABLE;
  2806. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2807. /* program slave device ID */
  2808. val = (sl_devid << 16) | sl_addr;
  2809. REG_WR(bp, MCP_REG_MCPR_IMC_SLAVE_CONTROL, val);
  2810. /* start xfer with 0 byte to update the address pointer ???*/
  2811. val = (MCPR_IMC_COMMAND_ENABLE) |
  2812. (MCPR_IMC_COMMAND_WRITE_OP <<
  2813. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2814. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) | (0);
  2815. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2816. /* poll for completion */
  2817. i = 0;
  2818. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2819. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2820. udelay(10);
  2821. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2822. if (i++ > 1000) {
  2823. DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
  2824. i);
  2825. rc = -EFAULT;
  2826. break;
  2827. }
  2828. }
  2829. if (rc == -EFAULT)
  2830. return rc;
  2831. /* start xfer with read op */
  2832. val = (MCPR_IMC_COMMAND_ENABLE) |
  2833. (MCPR_IMC_COMMAND_READ_OP <<
  2834. MCPR_IMC_COMMAND_OPERATION_BITSHIFT) |
  2835. (lc_addr << MCPR_IMC_COMMAND_TRANSFER_ADDRESS_BITSHIFT) |
  2836. (xfer_cnt);
  2837. REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
  2838. /* poll for completion */
  2839. i = 0;
  2840. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2841. while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
  2842. udelay(10);
  2843. val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
  2844. if (i++ > 1000) {
  2845. DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
  2846. rc = -EFAULT;
  2847. break;
  2848. }
  2849. }
  2850. if (rc == -EFAULT)
  2851. return rc;
  2852. for (i = (lc_addr >> 2); i < 4; i++) {
  2853. data_array[i] = REG_RD(bp, (MCP_REG_MCPR_IMC_DATAREG0 + i*4));
  2854. #ifdef __BIG_ENDIAN
  2855. data_array[i] = ((data_array[i] & 0x000000ff) << 24) |
  2856. ((data_array[i] & 0x0000ff00) << 8) |
  2857. ((data_array[i] & 0x00ff0000) >> 8) |
  2858. ((data_array[i] & 0xff000000) >> 24);
  2859. #endif
  2860. }
  2861. return rc;
  2862. }
  2863. static void bnx2x_cl45_read_or_write(struct bnx2x *bp, struct bnx2x_phy *phy,
  2864. u8 devad, u16 reg, u16 or_val)
  2865. {
  2866. u16 val;
  2867. bnx2x_cl45_read(bp, phy, devad, reg, &val);
  2868. bnx2x_cl45_write(bp, phy, devad, reg, val | or_val);
  2869. }
  2870. int bnx2x_phy_read(struct link_params *params, u8 phy_addr,
  2871. u8 devad, u16 reg, u16 *ret_val)
  2872. {
  2873. u8 phy_index;
  2874. /* Probe for the phy according to the given phy_addr, and execute
  2875. * the read request on it
  2876. */
  2877. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2878. if (params->phy[phy_index].addr == phy_addr) {
  2879. return bnx2x_cl45_read(params->bp,
  2880. &params->phy[phy_index], devad,
  2881. reg, ret_val);
  2882. }
  2883. }
  2884. return -EINVAL;
  2885. }
  2886. int bnx2x_phy_write(struct link_params *params, u8 phy_addr,
  2887. u8 devad, u16 reg, u16 val)
  2888. {
  2889. u8 phy_index;
  2890. /* Probe for the phy according to the given phy_addr, and execute
  2891. * the write request on it
  2892. */
  2893. for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
  2894. if (params->phy[phy_index].addr == phy_addr) {
  2895. return bnx2x_cl45_write(params->bp,
  2896. &params->phy[phy_index], devad,
  2897. reg, val);
  2898. }
  2899. }
  2900. return -EINVAL;
  2901. }
  2902. static u8 bnx2x_get_warpcore_lane(struct bnx2x_phy *phy,
  2903. struct link_params *params)
  2904. {
  2905. u8 lane = 0;
  2906. struct bnx2x *bp = params->bp;
  2907. u32 path_swap, path_swap_ovr;
  2908. u8 path, port;
  2909. path = BP_PATH(bp);
  2910. port = params->port;
  2911. if (bnx2x_is_4_port_mode(bp)) {
  2912. u32 port_swap, port_swap_ovr;
  2913. /* Figure out path swap value */
  2914. path_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP_OVWR);
  2915. if (path_swap_ovr & 0x1)
  2916. path_swap = (path_swap_ovr & 0x2);
  2917. else
  2918. path_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PATH_SWAP);
  2919. if (path_swap)
  2920. path = path ^ 1;
  2921. /* Figure out port swap value */
  2922. port_swap_ovr = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP_OVWR);
  2923. if (port_swap_ovr & 0x1)
  2924. port_swap = (port_swap_ovr & 0x2);
  2925. else
  2926. port_swap = REG_RD(bp, MISC_REG_FOUR_PORT_PORT_SWAP);
  2927. if (port_swap)
  2928. port = port ^ 1;
  2929. lane = (port<<1) + path;
  2930. } else { /* two port mode - no port swap */
  2931. /* Figure out path swap value */
  2932. path_swap_ovr =
  2933. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP_OVWR);
  2934. if (path_swap_ovr & 0x1) {
  2935. path_swap = (path_swap_ovr & 0x2);
  2936. } else {
  2937. path_swap =
  2938. REG_RD(bp, MISC_REG_TWO_PORT_PATH_SWAP);
  2939. }
  2940. if (path_swap)
  2941. path = path ^ 1;
  2942. lane = path << 1 ;
  2943. }
  2944. return lane;
  2945. }
  2946. static void bnx2x_set_aer_mmd(struct link_params *params,
  2947. struct bnx2x_phy *phy)
  2948. {
  2949. u32 ser_lane;
  2950. u16 offset, aer_val;
  2951. struct bnx2x *bp = params->bp;
  2952. ser_lane = ((params->lane_config &
  2953. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  2954. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  2955. offset = (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ?
  2956. (phy->addr + ser_lane) : 0;
  2957. if (USES_WARPCORE(bp)) {
  2958. aer_val = bnx2x_get_warpcore_lane(phy, params);
  2959. /* In Dual-lane mode, two lanes are joined together,
  2960. * so in order to configure them, the AER broadcast method is
  2961. * used here.
  2962. * 0x200 is the broadcast address for lanes 0,1
  2963. * 0x201 is the broadcast address for lanes 2,3
  2964. */
  2965. if (phy->flags & FLAGS_WC_DUAL_MODE)
  2966. aer_val = (aer_val >> 1) | 0x200;
  2967. } else if (CHIP_IS_E2(bp))
  2968. aer_val = 0x3800 + offset - 1;
  2969. else
  2970. aer_val = 0x3800 + offset;
  2971. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  2972. MDIO_AER_BLOCK_AER_REG, aer_val);
  2973. }
  2974. /******************************************************************/
  2975. /* Internal phy section */
  2976. /******************************************************************/
  2977. static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
  2978. {
  2979. u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  2980. /* Set Clause 22 */
  2981. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
  2982. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
  2983. udelay(500);
  2984. REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
  2985. udelay(500);
  2986. /* Set Clause 45 */
  2987. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
  2988. }
  2989. static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
  2990. {
  2991. u32 val;
  2992. DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
  2993. val = SERDES_RESET_BITS << (port*16);
  2994. /* reset and unreset the SerDes/XGXS */
  2995. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  2996. udelay(500);
  2997. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  2998. bnx2x_set_serdes_access(bp, port);
  2999. REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD + port*0x10,
  3000. DEFAULT_PHY_DEV_ADDR);
  3001. }
  3002. static void bnx2x_xgxs_deassert(struct link_params *params)
  3003. {
  3004. struct bnx2x *bp = params->bp;
  3005. u8 port;
  3006. u32 val;
  3007. DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
  3008. port = params->port;
  3009. val = XGXS_RESET_BITS << (port*16);
  3010. /* reset and unreset the SerDes/XGXS */
  3011. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
  3012. udelay(500);
  3013. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
  3014. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
  3015. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  3016. params->phy[INT_PHY].def_md_devad);
  3017. }
  3018. static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
  3019. struct link_params *params, u16 *ieee_fc)
  3020. {
  3021. struct bnx2x *bp = params->bp;
  3022. *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
  3023. /* Resolve pause mode and advertisement Please refer to Table
  3024. * 28B-3 of the 802.3ab-1999 spec
  3025. */
  3026. switch (phy->req_flow_ctrl) {
  3027. case BNX2X_FLOW_CTRL_AUTO:
  3028. if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH)
  3029. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3030. else
  3031. *ieee_fc |=
  3032. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3033. break;
  3034. case BNX2X_FLOW_CTRL_TX:
  3035. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  3036. break;
  3037. case BNX2X_FLOW_CTRL_RX:
  3038. case BNX2X_FLOW_CTRL_BOTH:
  3039. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  3040. break;
  3041. case BNX2X_FLOW_CTRL_NONE:
  3042. default:
  3043. *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
  3044. break;
  3045. }
  3046. DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
  3047. }
  3048. static void set_phy_vars(struct link_params *params,
  3049. struct link_vars *vars)
  3050. {
  3051. struct bnx2x *bp = params->bp;
  3052. u8 actual_phy_idx, phy_index, link_cfg_idx;
  3053. u8 phy_config_swapped = params->multi_phy_config &
  3054. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  3055. for (phy_index = INT_PHY; phy_index < params->num_phys;
  3056. phy_index++) {
  3057. link_cfg_idx = LINK_CONFIG_IDX(phy_index);
  3058. actual_phy_idx = phy_index;
  3059. if (phy_config_swapped) {
  3060. if (phy_index == EXT_PHY1)
  3061. actual_phy_idx = EXT_PHY2;
  3062. else if (phy_index == EXT_PHY2)
  3063. actual_phy_idx = EXT_PHY1;
  3064. }
  3065. params->phy[actual_phy_idx].req_flow_ctrl =
  3066. params->req_flow_ctrl[link_cfg_idx];
  3067. params->phy[actual_phy_idx].req_line_speed =
  3068. params->req_line_speed[link_cfg_idx];
  3069. params->phy[actual_phy_idx].speed_cap_mask =
  3070. params->speed_cap_mask[link_cfg_idx];
  3071. params->phy[actual_phy_idx].req_duplex =
  3072. params->req_duplex[link_cfg_idx];
  3073. if (params->req_line_speed[link_cfg_idx] ==
  3074. SPEED_AUTO_NEG)
  3075. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  3076. DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
  3077. " speed_cap_mask %x\n",
  3078. params->phy[actual_phy_idx].req_flow_ctrl,
  3079. params->phy[actual_phy_idx].req_line_speed,
  3080. params->phy[actual_phy_idx].speed_cap_mask);
  3081. }
  3082. }
  3083. static void bnx2x_ext_phy_set_pause(struct link_params *params,
  3084. struct bnx2x_phy *phy,
  3085. struct link_vars *vars)
  3086. {
  3087. u16 val;
  3088. struct bnx2x *bp = params->bp;
  3089. /* read modify write pause advertizing */
  3090. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
  3091. val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
  3092. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  3093. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  3094. if ((vars->ieee_fc &
  3095. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  3096. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  3097. val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  3098. }
  3099. if ((vars->ieee_fc &
  3100. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  3101. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  3102. val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  3103. }
  3104. DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
  3105. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
  3106. }
  3107. static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
  3108. { /* LD LP */
  3109. switch (pause_result) { /* ASYM P ASYM P */
  3110. case 0xb: /* 1 0 1 1 */
  3111. vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
  3112. break;
  3113. case 0xe: /* 1 1 1 0 */
  3114. vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
  3115. break;
  3116. case 0x5: /* 0 1 0 1 */
  3117. case 0x7: /* 0 1 1 1 */
  3118. case 0xd: /* 1 1 0 1 */
  3119. case 0xf: /* 1 1 1 1 */
  3120. vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  3121. break;
  3122. default:
  3123. break;
  3124. }
  3125. if (pause_result & (1<<0))
  3126. vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
  3127. if (pause_result & (1<<1))
  3128. vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
  3129. }
  3130. static void bnx2x_ext_phy_update_adv_fc(struct bnx2x_phy *phy,
  3131. struct link_params *params,
  3132. struct link_vars *vars)
  3133. {
  3134. u16 ld_pause; /* local */
  3135. u16 lp_pause; /* link partner */
  3136. u16 pause_result;
  3137. struct bnx2x *bp = params->bp;
  3138. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) {
  3139. bnx2x_cl22_read(bp, phy, 0x4, &ld_pause);
  3140. bnx2x_cl22_read(bp, phy, 0x5, &lp_pause);
  3141. } else if (CHIP_IS_E3(bp) &&
  3142. SINGLE_MEDIA_DIRECT(params)) {
  3143. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  3144. u16 gp_status, gp_mask;
  3145. bnx2x_cl45_read(bp, phy,
  3146. MDIO_AN_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_4,
  3147. &gp_status);
  3148. gp_mask = (MDIO_WC_REG_GP2_STATUS_GP_2_4_CL73_AN_CMPL |
  3149. MDIO_WC_REG_GP2_STATUS_GP_2_4_CL37_LP_AN_CAP) <<
  3150. lane;
  3151. if ((gp_status & gp_mask) == gp_mask) {
  3152. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3153. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3154. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3155. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3156. } else {
  3157. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3158. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  3159. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  3160. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  3161. ld_pause = ((ld_pause &
  3162. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3163. << 3);
  3164. lp_pause = ((lp_pause &
  3165. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  3166. << 3);
  3167. }
  3168. } else {
  3169. bnx2x_cl45_read(bp, phy,
  3170. MDIO_AN_DEVAD,
  3171. MDIO_AN_REG_ADV_PAUSE, &ld_pause);
  3172. bnx2x_cl45_read(bp, phy,
  3173. MDIO_AN_DEVAD,
  3174. MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
  3175. }
  3176. pause_result = (ld_pause &
  3177. MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
  3178. pause_result |= (lp_pause &
  3179. MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
  3180. DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n", pause_result);
  3181. bnx2x_pause_resolve(vars, pause_result);
  3182. }
  3183. static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
  3184. struct link_params *params,
  3185. struct link_vars *vars)
  3186. {
  3187. u8 ret = 0;
  3188. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  3189. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  3190. /* Update the advertised flow-controled of LD/LP in AN */
  3191. if (phy->req_line_speed == SPEED_AUTO_NEG)
  3192. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3193. /* But set the flow-control result as the requested one */
  3194. vars->flow_ctrl = phy->req_flow_ctrl;
  3195. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  3196. vars->flow_ctrl = params->req_fc_auto_adv;
  3197. else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  3198. ret = 1;
  3199. bnx2x_ext_phy_update_adv_fc(phy, params, vars);
  3200. }
  3201. return ret;
  3202. }
  3203. /******************************************************************/
  3204. /* Warpcore section */
  3205. /******************************************************************/
  3206. /* The init_internal_warpcore should mirror the xgxs,
  3207. * i.e. reset the lane (if needed), set aer for the
  3208. * init configuration, and set/clear SGMII flag. Internal
  3209. * phy init is done purely in phy_init stage.
  3210. */
  3211. static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
  3212. struct link_params *params,
  3213. struct link_vars *vars) {
  3214. u16 val16 = 0, lane, bam37 = 0;
  3215. struct bnx2x *bp = params->bp;
  3216. DP(NETIF_MSG_LINK, "Enable Auto Negotiation for KR\n");
  3217. /* Set to default registers that may be overriden by 10G force */
  3218. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3219. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3220. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3221. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3222. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3223. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0);
  3224. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3225. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff);
  3226. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3227. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555);
  3228. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3229. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0);
  3230. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3231. MDIO_WC_REG_RX66_CONTROL, 0x7415);
  3232. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3233. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190);
  3234. /* Disable Autoneg: re-enable it after adv is done. */
  3235. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3236. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0);
  3237. /* Check adding advertisement for 1G KX */
  3238. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3239. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  3240. (vars->line_speed == SPEED_1000)) {
  3241. u16 sd_digital;
  3242. val16 |= (1<<5);
  3243. /* Enable CL37 1G Parallel Detect */
  3244. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3245. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &sd_digital);
  3246. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3247. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3248. (sd_digital | 0x1));
  3249. DP(NETIF_MSG_LINK, "Advertize 1G\n");
  3250. }
  3251. if (((vars->line_speed == SPEED_AUTO_NEG) &&
  3252. (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  3253. (vars->line_speed == SPEED_10000)) {
  3254. /* Check adding advertisement for 10G KR */
  3255. val16 |= (1<<7);
  3256. /* Enable 10G Parallel Detect */
  3257. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3258. MDIO_WC_REG_PAR_DET_10G_CTRL, 1);
  3259. DP(NETIF_MSG_LINK, "Advertize 10G\n");
  3260. }
  3261. /* Set Transmit PMD settings */
  3262. lane = bnx2x_get_warpcore_lane(phy, params);
  3263. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3264. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3265. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3266. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3267. (0x09 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3268. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3269. MDIO_WC_REG_CL72_USERB0_CL72_OS_DEF_CTRL,
  3270. 0x03f0);
  3271. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3272. MDIO_WC_REG_CL72_USERB0_CL72_2P5_DEF_CTRL,
  3273. 0x03f0);
  3274. /* Advertised speeds */
  3275. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3276. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16);
  3277. /* Advertised and set FEC (Forward Error Correction) */
  3278. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3279. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2,
  3280. (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY |
  3281. MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ));
  3282. /* Enable CL37 BAM */
  3283. if (REG_RD(bp, params->shmem_base +
  3284. offsetof(struct shmem_region, dev_info.
  3285. port_hw_config[params->port].default_cfg)) &
  3286. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  3287. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3288. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, &bam37);
  3289. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3290. MDIO_WC_REG_DIGITAL6_MP5_NEXTPAGECTRL, bam37 | 1);
  3291. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  3292. }
  3293. /* Advertise pause */
  3294. bnx2x_ext_phy_set_pause(params, phy, vars);
  3295. /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
  3296. */
  3297. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3298. MDIO_WC_REG_UC_INFO_B1_VERSION, &val16);
  3299. if (val16 < 0xd108) {
  3300. DP(NETIF_MSG_LINK, "Enable AN KR work-around\n");
  3301. vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
  3302. }
  3303. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3304. MDIO_WC_REG_DIGITAL5_MISC7, &val16);
  3305. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3306. MDIO_WC_REG_DIGITAL5_MISC7, val16 | 0x100);
  3307. /* Over 1G - AN local device user page 1 */
  3308. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3309. MDIO_WC_REG_DIGITAL3_UP1, 0x1f);
  3310. /* Enable Autoneg */
  3311. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3312. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3313. }
  3314. static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy,
  3315. struct link_params *params,
  3316. struct link_vars *vars)
  3317. {
  3318. struct bnx2x *bp = params->bp;
  3319. u16 val;
  3320. /* Disable Autoneg */
  3321. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3322. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7);
  3323. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3324. MDIO_WC_REG_PAR_DET_10G_CTRL, 0);
  3325. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3326. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00);
  3327. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3328. MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0);
  3329. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3330. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3331. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3332. MDIO_WC_REG_DIGITAL3_UP1, 0x1);
  3333. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3334. MDIO_WC_REG_DIGITAL5_MISC7, 0xa);
  3335. /* Disable CL36 PCS Tx */
  3336. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3337. MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0);
  3338. /* Double Wide Single Data Rate @ pll rate */
  3339. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3340. MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF);
  3341. /* Leave cl72 training enable, needed for KR */
  3342. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3343. MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150,
  3344. 0x2);
  3345. /* Leave CL72 enabled */
  3346. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3347. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3348. &val);
  3349. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3350. MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL,
  3351. val | 0x3800);
  3352. /* Set speed via PMA/PMD register */
  3353. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3354. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3355. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD,
  3356. MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0xB);
  3357. /* Enable encoded forced speed */
  3358. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3359. MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x30);
  3360. /* Turn TX scramble payload only the 64/66 scrambler */
  3361. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3362. MDIO_WC_REG_TX66_CONTROL, 0x9);
  3363. /* Turn RX scramble payload only the 64/66 scrambler */
  3364. bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
  3365. MDIO_WC_REG_RX66_CONTROL, 0xF9);
  3366. /* set and clear loopback to cause a reset to 64/66 decoder */
  3367. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3368. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x4000);
  3369. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3370. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0);
  3371. }
  3372. static void bnx2x_warpcore_set_10G_XFI(struct bnx2x_phy *phy,
  3373. struct link_params *params,
  3374. u8 is_xfi)
  3375. {
  3376. struct bnx2x *bp = params->bp;
  3377. u16 misc1_val, tap_val, tx_driver_val, lane, val;
  3378. /* Hold rxSeqStart */
  3379. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3380. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3381. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3382. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val | 0x8000));
  3383. /* Hold tx_fifo_reset */
  3384. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3385. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3386. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3387. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, (val | 0x1));
  3388. /* Disable CL73 AN */
  3389. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3390. /* Disable 100FX Enable and Auto-Detect */
  3391. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3392. MDIO_WC_REG_FX100_CTRL1, &val);
  3393. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3394. MDIO_WC_REG_FX100_CTRL1, (val & 0xFFFA));
  3395. /* Disable 100FX Idle detect */
  3396. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3397. MDIO_WC_REG_FX100_CTRL3, &val);
  3398. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3399. MDIO_WC_REG_FX100_CTRL3, (val | 0x0080));
  3400. /* Set Block address to Remote PHY & Clear forced_speed[5] */
  3401. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3402. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3403. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3404. MDIO_WC_REG_DIGITAL4_MISC3, (val & 0xFF7F));
  3405. /* Turn off auto-detect & fiber mode */
  3406. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3407. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3408. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3409. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3410. (val & 0xFFEE));
  3411. /* Set filter_force_link, disable_false_link and parallel_detect */
  3412. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3413. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &val);
  3414. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3415. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3416. ((val | 0x0006) & 0xFFFE));
  3417. /* Set XFI / SFI */
  3418. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3419. MDIO_WC_REG_SERDESDIGITAL_MISC1, &misc1_val);
  3420. misc1_val &= ~(0x1f);
  3421. if (is_xfi) {
  3422. misc1_val |= 0x5;
  3423. tap_val = ((0x08 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3424. (0x37 << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3425. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3426. tx_driver_val =
  3427. ((0x00 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3428. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3429. (0x03 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3430. } else {
  3431. misc1_val |= 0x9;
  3432. tap_val = ((0x0f << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3433. (0x2b << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3434. (0x02 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET));
  3435. tx_driver_val =
  3436. ((0x03 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3437. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3438. (0x06 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET));
  3439. }
  3440. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3441. MDIO_WC_REG_SERDESDIGITAL_MISC1, misc1_val);
  3442. /* Set Transmit PMD settings */
  3443. lane = bnx2x_get_warpcore_lane(phy, params);
  3444. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3445. MDIO_WC_REG_TX_FIR_TAP,
  3446. tap_val | MDIO_WC_REG_TX_FIR_TAP_ENABLE);
  3447. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3448. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3449. tx_driver_val);
  3450. /* Enable fiber mode, enable and invert sig_det */
  3451. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3452. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &val);
  3453. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3454. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, val | 0xd);
  3455. /* Set Block address to Remote PHY & Set forced_speed[5], 40bit mode */
  3456. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3457. MDIO_WC_REG_DIGITAL4_MISC3, &val);
  3458. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3459. MDIO_WC_REG_DIGITAL4_MISC3, val | 0x8080);
  3460. /* 10G XFI Full Duplex */
  3461. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3462. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x100);
  3463. /* Release tx_fifo_reset */
  3464. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3465. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, &val);
  3466. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3467. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, val & 0xFFFE);
  3468. /* Release rxSeqStart */
  3469. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3470. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, &val);
  3471. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3472. MDIO_WC_REG_DSC2B0_DSC_MISC_CTRL0, (val & 0x7FFF));
  3473. }
  3474. static void bnx2x_warpcore_set_20G_KR2(struct bnx2x *bp,
  3475. struct bnx2x_phy *phy)
  3476. {
  3477. DP(NETIF_MSG_LINK, "KR2 still not supported !!!\n");
  3478. }
  3479. static void bnx2x_warpcore_set_20G_DXGXS(struct bnx2x *bp,
  3480. struct bnx2x_phy *phy,
  3481. u16 lane)
  3482. {
  3483. /* Rx0 anaRxControl1G */
  3484. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3485. MDIO_WC_REG_RX0_ANARXCONTROL1G, 0x90);
  3486. /* Rx2 anaRxControl1G */
  3487. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3488. MDIO_WC_REG_RX2_ANARXCONTROL1G, 0x90);
  3489. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3490. MDIO_WC_REG_RX66_SCW0, 0xE070);
  3491. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3492. MDIO_WC_REG_RX66_SCW1, 0xC0D0);
  3493. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3494. MDIO_WC_REG_RX66_SCW2, 0xA0B0);
  3495. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3496. MDIO_WC_REG_RX66_SCW3, 0x8090);
  3497. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3498. MDIO_WC_REG_RX66_SCW0_MASK, 0xF0F0);
  3499. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3500. MDIO_WC_REG_RX66_SCW1_MASK, 0xF0F0);
  3501. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3502. MDIO_WC_REG_RX66_SCW2_MASK, 0xF0F0);
  3503. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3504. MDIO_WC_REG_RX66_SCW3_MASK, 0xF0F0);
  3505. /* Serdes Digital Misc1 */
  3506. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3507. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6008);
  3508. /* Serdes Digital4 Misc3 */
  3509. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3510. MDIO_WC_REG_DIGITAL4_MISC3, 0x8088);
  3511. /* Set Transmit PMD settings */
  3512. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3513. MDIO_WC_REG_TX_FIR_TAP,
  3514. ((0x12 << MDIO_WC_REG_TX_FIR_TAP_POST_TAP_OFFSET) |
  3515. (0x2d << MDIO_WC_REG_TX_FIR_TAP_MAIN_TAP_OFFSET) |
  3516. (0x00 << MDIO_WC_REG_TX_FIR_TAP_PRE_TAP_OFFSET) |
  3517. MDIO_WC_REG_TX_FIR_TAP_ENABLE));
  3518. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3519. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane,
  3520. ((0x02 << MDIO_WC_REG_TX0_TX_DRIVER_POST2_COEFF_OFFSET) |
  3521. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IDRIVER_OFFSET) |
  3522. (0x02 << MDIO_WC_REG_TX0_TX_DRIVER_IPRE_DRIVER_OFFSET)));
  3523. }
  3524. static void bnx2x_warpcore_set_sgmii_speed(struct bnx2x_phy *phy,
  3525. struct link_params *params,
  3526. u8 fiber_mode,
  3527. u8 always_autoneg)
  3528. {
  3529. struct bnx2x *bp = params->bp;
  3530. u16 val16, digctrl_kx1, digctrl_kx2;
  3531. /* Clear XFI clock comp in non-10G single lane mode. */
  3532. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3533. MDIO_WC_REG_RX66_CONTROL, &val16);
  3534. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3535. MDIO_WC_REG_RX66_CONTROL, val16 & ~(3<<13));
  3536. if (always_autoneg || phy->req_line_speed == SPEED_AUTO_NEG) {
  3537. /* SGMII Autoneg */
  3538. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3539. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3540. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3541. MDIO_WC_REG_COMBO_IEEE0_MIICTRL,
  3542. val16 | 0x1000);
  3543. DP(NETIF_MSG_LINK, "set SGMII AUTONEG\n");
  3544. } else {
  3545. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3546. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3547. val16 &= 0xcebf;
  3548. switch (phy->req_line_speed) {
  3549. case SPEED_10:
  3550. break;
  3551. case SPEED_100:
  3552. val16 |= 0x2000;
  3553. break;
  3554. case SPEED_1000:
  3555. val16 |= 0x0040;
  3556. break;
  3557. default:
  3558. DP(NETIF_MSG_LINK,
  3559. "Speed not supported: 0x%x\n", phy->req_line_speed);
  3560. return;
  3561. }
  3562. if (phy->req_duplex == DUPLEX_FULL)
  3563. val16 |= 0x0100;
  3564. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3565. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16);
  3566. DP(NETIF_MSG_LINK, "set SGMII force speed %d\n",
  3567. phy->req_line_speed);
  3568. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3569. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3570. DP(NETIF_MSG_LINK, " (readback) %x\n", val16);
  3571. }
  3572. /* SGMII Slave mode and disable signal detect */
  3573. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3574. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, &digctrl_kx1);
  3575. if (fiber_mode)
  3576. digctrl_kx1 = 1;
  3577. else
  3578. digctrl_kx1 &= 0xff4a;
  3579. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3580. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3581. digctrl_kx1);
  3582. /* Turn off parallel detect */
  3583. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3584. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, &digctrl_kx2);
  3585. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3586. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3587. (digctrl_kx2 & ~(1<<2)));
  3588. /* Re-enable parallel detect */
  3589. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3590. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2,
  3591. (digctrl_kx2 | (1<<2)));
  3592. /* Enable autodet */
  3593. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3594. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1,
  3595. (digctrl_kx1 | 0x10));
  3596. }
  3597. static void bnx2x_warpcore_reset_lane(struct bnx2x *bp,
  3598. struct bnx2x_phy *phy,
  3599. u8 reset)
  3600. {
  3601. u16 val;
  3602. /* Take lane out of reset after configuration is finished */
  3603. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3604. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3605. if (reset)
  3606. val |= 0xC000;
  3607. else
  3608. val &= 0x3FFF;
  3609. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3610. MDIO_WC_REG_DIGITAL5_MISC6, val);
  3611. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3612. MDIO_WC_REG_DIGITAL5_MISC6, &val);
  3613. }
  3614. /* Clear SFI/XFI link settings registers */
  3615. static void bnx2x_warpcore_clear_regs(struct bnx2x_phy *phy,
  3616. struct link_params *params,
  3617. u16 lane)
  3618. {
  3619. struct bnx2x *bp = params->bp;
  3620. u16 val16;
  3621. /* Set XFI clock comp as default. */
  3622. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3623. MDIO_WC_REG_RX66_CONTROL, &val16);
  3624. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3625. MDIO_WC_REG_RX66_CONTROL, val16 | (3<<13));
  3626. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3627. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0);
  3628. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3629. MDIO_WC_REG_FX100_CTRL1, 0x014a);
  3630. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3631. MDIO_WC_REG_FX100_CTRL3, 0x0800);
  3632. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3633. MDIO_WC_REG_DIGITAL4_MISC3, 0x8008);
  3634. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3635. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X1, 0x0195);
  3636. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3637. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x0007);
  3638. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3639. MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X3, 0x0002);
  3640. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3641. MDIO_WC_REG_SERDESDIGITAL_MISC1, 0x6000);
  3642. lane = bnx2x_get_warpcore_lane(phy, params);
  3643. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3644. MDIO_WC_REG_TX_FIR_TAP, 0x0000);
  3645. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3646. MDIO_WC_REG_TX0_TX_DRIVER + 0x10*lane, 0x0990);
  3647. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3648. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040);
  3649. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3650. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, 0x0140);
  3651. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3652. }
  3653. static int bnx2x_get_mod_abs_int_cfg(struct bnx2x *bp,
  3654. u32 chip_id,
  3655. u32 shmem_base, u8 port,
  3656. u8 *gpio_num, u8 *gpio_port)
  3657. {
  3658. u32 cfg_pin;
  3659. *gpio_num = 0;
  3660. *gpio_port = 0;
  3661. if (CHIP_IS_E3(bp)) {
  3662. cfg_pin = (REG_RD(bp, shmem_base +
  3663. offsetof(struct shmem_region,
  3664. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3665. PORT_HW_CFG_E3_MOD_ABS_MASK) >>
  3666. PORT_HW_CFG_E3_MOD_ABS_SHIFT;
  3667. /* Should not happen. This function called upon interrupt
  3668. * triggered by GPIO ( since EPIO can only generate interrupts
  3669. * to MCP).
  3670. * So if this function was called and none of the GPIOs was set,
  3671. * it means the shit hit the fan.
  3672. */
  3673. if ((cfg_pin < PIN_CFG_GPIO0_P0) ||
  3674. (cfg_pin > PIN_CFG_GPIO3_P1)) {
  3675. DP(NETIF_MSG_LINK,
  3676. "ERROR: Invalid cfg pin %x for module detect indication\n",
  3677. cfg_pin);
  3678. return -EINVAL;
  3679. }
  3680. *gpio_num = (cfg_pin - PIN_CFG_GPIO0_P0) & 0x3;
  3681. *gpio_port = (cfg_pin - PIN_CFG_GPIO0_P0) >> 2;
  3682. } else {
  3683. *gpio_num = MISC_REGISTERS_GPIO_3;
  3684. *gpio_port = port;
  3685. }
  3686. DP(NETIF_MSG_LINK, "MOD_ABS int GPIO%d_P%d\n", *gpio_num, *gpio_port);
  3687. return 0;
  3688. }
  3689. static int bnx2x_is_sfp_module_plugged(struct bnx2x_phy *phy,
  3690. struct link_params *params)
  3691. {
  3692. struct bnx2x *bp = params->bp;
  3693. u8 gpio_num, gpio_port;
  3694. u32 gpio_val;
  3695. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id,
  3696. params->shmem_base, params->port,
  3697. &gpio_num, &gpio_port) != 0)
  3698. return 0;
  3699. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  3700. /* Call the handling function in case module is detected */
  3701. if (gpio_val == 0)
  3702. return 1;
  3703. else
  3704. return 0;
  3705. }
  3706. static int bnx2x_warpcore_get_sigdet(struct bnx2x_phy *phy,
  3707. struct link_params *params)
  3708. {
  3709. u16 gp2_status_reg0, lane;
  3710. struct bnx2x *bp = params->bp;
  3711. lane = bnx2x_get_warpcore_lane(phy, params);
  3712. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_GP2_STATUS_GP_2_0,
  3713. &gp2_status_reg0);
  3714. return (gp2_status_reg0 >> (8+lane)) & 0x1;
  3715. }
  3716. static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
  3717. struct link_params *params,
  3718. struct link_vars *vars)
  3719. {
  3720. struct bnx2x *bp = params->bp;
  3721. u32 serdes_net_if;
  3722. u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
  3723. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3724. vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
  3725. if (!vars->turn_to_run_wc_rt)
  3726. return;
  3727. /* return if there is no link partner */
  3728. if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
  3729. DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
  3730. return;
  3731. }
  3732. if (vars->rx_tx_asic_rst) {
  3733. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3734. offsetof(struct shmem_region, dev_info.
  3735. port_hw_config[params->port].default_cfg)) &
  3736. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3737. switch (serdes_net_if) {
  3738. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3739. /* Do we get link yet? */
  3740. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, 0x81d1,
  3741. &gp_status1);
  3742. lnkup = (gp_status1 >> (8+lane)) & 0x1;/* 1G */
  3743. /*10G KR*/
  3744. lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
  3745. DP(NETIF_MSG_LINK,
  3746. "gp_status1 0x%x\n", gp_status1);
  3747. if (lnkup_kr || lnkup) {
  3748. vars->rx_tx_asic_rst = 0;
  3749. DP(NETIF_MSG_LINK,
  3750. "link up, rx_tx_asic_rst 0x%x\n",
  3751. vars->rx_tx_asic_rst);
  3752. } else {
  3753. /* Reset the lane to see if link comes up.*/
  3754. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3755. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3756. /* restart Autoneg */
  3757. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  3758. MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x1200);
  3759. vars->rx_tx_asic_rst--;
  3760. DP(NETIF_MSG_LINK, "0x%x retry left\n",
  3761. vars->rx_tx_asic_rst);
  3762. }
  3763. break;
  3764. default:
  3765. break;
  3766. }
  3767. } /*params->rx_tx_asic_rst*/
  3768. }
  3769. static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
  3770. struct link_params *params,
  3771. struct link_vars *vars)
  3772. {
  3773. struct bnx2x *bp = params->bp;
  3774. u32 serdes_net_if;
  3775. u8 fiber_mode;
  3776. u16 lane = bnx2x_get_warpcore_lane(phy, params);
  3777. serdes_net_if = (REG_RD(bp, params->shmem_base +
  3778. offsetof(struct shmem_region, dev_info.
  3779. port_hw_config[params->port].default_cfg)) &
  3780. PORT_HW_CFG_NET_SERDES_IF_MASK);
  3781. DP(NETIF_MSG_LINK, "Begin Warpcore init, link_speed %d, "
  3782. "serdes_net_if = 0x%x\n",
  3783. vars->line_speed, serdes_net_if);
  3784. bnx2x_set_aer_mmd(params, phy);
  3785. vars->phy_flags |= PHY_XGXS_FLAG;
  3786. if ((serdes_net_if == PORT_HW_CFG_NET_SERDES_IF_SGMII) ||
  3787. (phy->req_line_speed &&
  3788. ((phy->req_line_speed == SPEED_100) ||
  3789. (phy->req_line_speed == SPEED_10)))) {
  3790. vars->phy_flags |= PHY_SGMII_FLAG;
  3791. DP(NETIF_MSG_LINK, "Setting SGMII mode\n");
  3792. bnx2x_warpcore_clear_regs(phy, params, lane);
  3793. bnx2x_warpcore_set_sgmii_speed(phy, params, 0, 1);
  3794. } else {
  3795. switch (serdes_net_if) {
  3796. case PORT_HW_CFG_NET_SERDES_IF_KR:
  3797. /* Enable KR Auto Neg */
  3798. if (params->loopback_mode != LOOPBACK_EXT)
  3799. bnx2x_warpcore_enable_AN_KR(phy, params, vars);
  3800. else {
  3801. DP(NETIF_MSG_LINK, "Setting KR 10G-Force\n");
  3802. bnx2x_warpcore_set_10G_KR(phy, params, vars);
  3803. }
  3804. break;
  3805. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  3806. bnx2x_warpcore_clear_regs(phy, params, lane);
  3807. if (vars->line_speed == SPEED_10000) {
  3808. DP(NETIF_MSG_LINK, "Setting 10G XFI\n");
  3809. bnx2x_warpcore_set_10G_XFI(phy, params, 1);
  3810. } else {
  3811. if (SINGLE_MEDIA_DIRECT(params)) {
  3812. DP(NETIF_MSG_LINK, "1G Fiber\n");
  3813. fiber_mode = 1;
  3814. } else {
  3815. DP(NETIF_MSG_LINK, "10/100/1G SGMII\n");
  3816. fiber_mode = 0;
  3817. }
  3818. bnx2x_warpcore_set_sgmii_speed(phy,
  3819. params,
  3820. fiber_mode,
  3821. 0);
  3822. }
  3823. break;
  3824. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  3825. bnx2x_warpcore_clear_regs(phy, params, lane);
  3826. if (vars->line_speed == SPEED_10000) {
  3827. DP(NETIF_MSG_LINK, "Setting 10G SFI\n");
  3828. bnx2x_warpcore_set_10G_XFI(phy, params, 0);
  3829. } else if (vars->line_speed == SPEED_1000) {
  3830. DP(NETIF_MSG_LINK, "Setting 1G Fiber\n");
  3831. bnx2x_warpcore_set_sgmii_speed(
  3832. phy, params, 1, 0);
  3833. }
  3834. /* Issue Module detection */
  3835. if (bnx2x_is_sfp_module_plugged(phy, params))
  3836. bnx2x_sfp_module_detection(phy, params);
  3837. break;
  3838. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  3839. if (vars->line_speed != SPEED_20000) {
  3840. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3841. return;
  3842. }
  3843. DP(NETIF_MSG_LINK, "Setting 20G DXGXS\n");
  3844. bnx2x_warpcore_set_20G_DXGXS(bp, phy, lane);
  3845. /* Issue Module detection */
  3846. bnx2x_sfp_module_detection(phy, params);
  3847. break;
  3848. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  3849. if (vars->line_speed != SPEED_20000) {
  3850. DP(NETIF_MSG_LINK, "Speed not supported yet\n");
  3851. return;
  3852. }
  3853. DP(NETIF_MSG_LINK, "Setting 20G KR2\n");
  3854. bnx2x_warpcore_set_20G_KR2(bp, phy);
  3855. break;
  3856. default:
  3857. DP(NETIF_MSG_LINK,
  3858. "Unsupported Serdes Net Interface 0x%x\n",
  3859. serdes_net_if);
  3860. return;
  3861. }
  3862. }
  3863. /* Take lane out of reset after configuration is finished */
  3864. bnx2x_warpcore_reset_lane(bp, phy, 0);
  3865. DP(NETIF_MSG_LINK, "Exit config init\n");
  3866. }
  3867. static void bnx2x_sfp_e3_set_transmitter(struct link_params *params,
  3868. struct bnx2x_phy *phy,
  3869. u8 tx_en)
  3870. {
  3871. struct bnx2x *bp = params->bp;
  3872. u32 cfg_pin;
  3873. u8 port = params->port;
  3874. cfg_pin = REG_RD(bp, params->shmem_base +
  3875. offsetof(struct shmem_region,
  3876. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  3877. PORT_HW_CFG_TX_LASER_MASK;
  3878. /* Set the !tx_en since this pin is DISABLE_TX_LASER */
  3879. DP(NETIF_MSG_LINK, "Setting WC TX to %d\n", tx_en);
  3880. /* For 20G, the expected pin to be used is 3 pins after the current */
  3881. bnx2x_set_cfg_pin(bp, cfg_pin, tx_en ^ 1);
  3882. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_20G)
  3883. bnx2x_set_cfg_pin(bp, cfg_pin + 3, tx_en ^ 1);
  3884. }
  3885. static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy,
  3886. struct link_params *params)
  3887. {
  3888. struct bnx2x *bp = params->bp;
  3889. u16 val16;
  3890. bnx2x_sfp_e3_set_transmitter(params, phy, 0);
  3891. bnx2x_set_mdio_clk(bp, params->chip_id, params->port);
  3892. bnx2x_set_aer_mmd(params, phy);
  3893. /* Global register */
  3894. bnx2x_warpcore_reset_lane(bp, phy, 1);
  3895. /* Clear loopback settings (if any) */
  3896. /* 10G & 20G */
  3897. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3898. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3899. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3900. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 &
  3901. 0xBFFF);
  3902. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3903. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3904. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3905. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 & 0xfffe);
  3906. /* Update those 1-copy registers */
  3907. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3908. MDIO_AER_BLOCK_AER_REG, 0);
  3909. /* Enable 1G MDIO (1-copy) */
  3910. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3911. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3912. &val16);
  3913. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3914. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3915. val16 & ~0x10);
  3916. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3917. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3918. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3919. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3920. val16 & 0xff00);
  3921. }
  3922. static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy,
  3923. struct link_params *params)
  3924. {
  3925. struct bnx2x *bp = params->bp;
  3926. u16 val16;
  3927. u32 lane;
  3928. DP(NETIF_MSG_LINK, "Setting Warpcore loopback type %x, speed %d\n",
  3929. params->loopback_mode, phy->req_line_speed);
  3930. if (phy->req_line_speed < SPEED_10000) {
  3931. /* 10/100/1000 */
  3932. /* Update those 1-copy registers */
  3933. CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
  3934. MDIO_AER_BLOCK_AER_REG, 0);
  3935. /* Enable 1G MDIO (1-copy) */
  3936. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3937. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3938. &val16);
  3939. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3940. MDIO_WC_REG_XGXSBLK0_XGXSCONTROL,
  3941. val16 | 0x10);
  3942. /* Set 1G loopback based on lane (1-copy) */
  3943. lane = bnx2x_get_warpcore_lane(phy, params);
  3944. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3945. MDIO_WC_REG_XGXSBLK1_LANECTRL2, &val16);
  3946. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3947. MDIO_WC_REG_XGXSBLK1_LANECTRL2,
  3948. val16 | (1<<lane));
  3949. /* Switch back to 4-copy registers */
  3950. bnx2x_set_aer_mmd(params, phy);
  3951. } else {
  3952. /* 10G & 20G */
  3953. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3954. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, &val16);
  3955. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3956. MDIO_WC_REG_COMBO_IEEE0_MIICTRL, val16 |
  3957. 0x4000);
  3958. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  3959. MDIO_WC_REG_IEEE0BLK_MIICNTL, &val16);
  3960. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  3961. MDIO_WC_REG_IEEE0BLK_MIICNTL, val16 | 0x1);
  3962. }
  3963. }
  3964. void bnx2x_sync_link(struct link_params *params,
  3965. struct link_vars *vars)
  3966. {
  3967. struct bnx2x *bp = params->bp;
  3968. u8 link_10g_plus;
  3969. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  3970. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  3971. vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
  3972. if (vars->link_up) {
  3973. DP(NETIF_MSG_LINK, "phy link up\n");
  3974. vars->phy_link_up = 1;
  3975. vars->duplex = DUPLEX_FULL;
  3976. switch (vars->link_status &
  3977. LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
  3978. case LINK_10THD:
  3979. vars->duplex = DUPLEX_HALF;
  3980. /* Fall thru */
  3981. case LINK_10TFD:
  3982. vars->line_speed = SPEED_10;
  3983. break;
  3984. case LINK_100TXHD:
  3985. vars->duplex = DUPLEX_HALF;
  3986. /* Fall thru */
  3987. case LINK_100T4:
  3988. case LINK_100TXFD:
  3989. vars->line_speed = SPEED_100;
  3990. break;
  3991. case LINK_1000THD:
  3992. vars->duplex = DUPLEX_HALF;
  3993. /* Fall thru */
  3994. case LINK_1000TFD:
  3995. vars->line_speed = SPEED_1000;
  3996. break;
  3997. case LINK_2500THD:
  3998. vars->duplex = DUPLEX_HALF;
  3999. /* Fall thru */
  4000. case LINK_2500TFD:
  4001. vars->line_speed = SPEED_2500;
  4002. break;
  4003. case LINK_10GTFD:
  4004. vars->line_speed = SPEED_10000;
  4005. break;
  4006. case LINK_20GTFD:
  4007. vars->line_speed = SPEED_20000;
  4008. break;
  4009. default:
  4010. break;
  4011. }
  4012. vars->flow_ctrl = 0;
  4013. if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
  4014. vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
  4015. if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
  4016. vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
  4017. if (!vars->flow_ctrl)
  4018. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4019. if (vars->line_speed &&
  4020. ((vars->line_speed == SPEED_10) ||
  4021. (vars->line_speed == SPEED_100))) {
  4022. vars->phy_flags |= PHY_SGMII_FLAG;
  4023. } else {
  4024. vars->phy_flags &= ~PHY_SGMII_FLAG;
  4025. }
  4026. if (vars->line_speed &&
  4027. USES_WARPCORE(bp) &&
  4028. (vars->line_speed == SPEED_1000))
  4029. vars->phy_flags |= PHY_SGMII_FLAG;
  4030. /* anything 10 and over uses the bmac */
  4031. link_10g_plus = (vars->line_speed >= SPEED_10000);
  4032. if (link_10g_plus) {
  4033. if (USES_WARPCORE(bp))
  4034. vars->mac_type = MAC_TYPE_XMAC;
  4035. else
  4036. vars->mac_type = MAC_TYPE_BMAC;
  4037. } else {
  4038. if (USES_WARPCORE(bp))
  4039. vars->mac_type = MAC_TYPE_UMAC;
  4040. else
  4041. vars->mac_type = MAC_TYPE_EMAC;
  4042. }
  4043. } else { /* link down */
  4044. DP(NETIF_MSG_LINK, "phy link down\n");
  4045. vars->phy_link_up = 0;
  4046. vars->line_speed = 0;
  4047. vars->duplex = DUPLEX_FULL;
  4048. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4049. /* indicate no mac active */
  4050. vars->mac_type = MAC_TYPE_NONE;
  4051. if (vars->link_status & LINK_STATUS_PHYSICAL_LINK_FLAG)
  4052. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  4053. }
  4054. }
  4055. void bnx2x_link_status_update(struct link_params *params,
  4056. struct link_vars *vars)
  4057. {
  4058. struct bnx2x *bp = params->bp;
  4059. u8 port = params->port;
  4060. u32 sync_offset, media_types;
  4061. /* Update PHY configuration */
  4062. set_phy_vars(params, vars);
  4063. vars->link_status = REG_RD(bp, params->shmem_base +
  4064. offsetof(struct shmem_region,
  4065. port_mb[port].link_status));
  4066. vars->phy_flags = PHY_XGXS_FLAG;
  4067. bnx2x_sync_link(params, vars);
  4068. /* Sync media type */
  4069. sync_offset = params->shmem_base +
  4070. offsetof(struct shmem_region,
  4071. dev_info.port_hw_config[port].media_type);
  4072. media_types = REG_RD(bp, sync_offset);
  4073. params->phy[INT_PHY].media_type =
  4074. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) >>
  4075. PORT_HW_CFG_MEDIA_TYPE_PHY0_SHIFT;
  4076. params->phy[EXT_PHY1].media_type =
  4077. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY1_MASK) >>
  4078. PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT;
  4079. params->phy[EXT_PHY2].media_type =
  4080. (media_types & PORT_HW_CFG_MEDIA_TYPE_PHY2_MASK) >>
  4081. PORT_HW_CFG_MEDIA_TYPE_PHY2_SHIFT;
  4082. DP(NETIF_MSG_LINK, "media_types = 0x%x\n", media_types);
  4083. /* Sync AEU offset */
  4084. sync_offset = params->shmem_base +
  4085. offsetof(struct shmem_region,
  4086. dev_info.port_hw_config[port].aeu_int_mask);
  4087. vars->aeu_int_mask = REG_RD(bp, sync_offset);
  4088. /* Sync PFC status */
  4089. if (vars->link_status & LINK_STATUS_PFC_ENABLED)
  4090. params->feature_config_flags |=
  4091. FEATURE_CONFIG_PFC_ENABLED;
  4092. else
  4093. params->feature_config_flags &=
  4094. ~FEATURE_CONFIG_PFC_ENABLED;
  4095. DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x int_mask 0x%x\n",
  4096. vars->link_status, vars->phy_link_up, vars->aeu_int_mask);
  4097. DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
  4098. vars->line_speed, vars->duplex, vars->flow_ctrl);
  4099. }
  4100. static void bnx2x_set_master_ln(struct link_params *params,
  4101. struct bnx2x_phy *phy)
  4102. {
  4103. struct bnx2x *bp = params->bp;
  4104. u16 new_master_ln, ser_lane;
  4105. ser_lane = ((params->lane_config &
  4106. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  4107. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  4108. /* set the master_ln for AN */
  4109. CL22_RD_OVER_CL45(bp, phy,
  4110. MDIO_REG_BANK_XGXS_BLOCK2,
  4111. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4112. &new_master_ln);
  4113. CL22_WR_OVER_CL45(bp, phy,
  4114. MDIO_REG_BANK_XGXS_BLOCK2 ,
  4115. MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
  4116. (new_master_ln | ser_lane));
  4117. }
  4118. static int bnx2x_reset_unicore(struct link_params *params,
  4119. struct bnx2x_phy *phy,
  4120. u8 set_serdes)
  4121. {
  4122. struct bnx2x *bp = params->bp;
  4123. u16 mii_control;
  4124. u16 i;
  4125. CL22_RD_OVER_CL45(bp, phy,
  4126. MDIO_REG_BANK_COMBO_IEEE0,
  4127. MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
  4128. /* reset the unicore */
  4129. CL22_WR_OVER_CL45(bp, phy,
  4130. MDIO_REG_BANK_COMBO_IEEE0,
  4131. MDIO_COMBO_IEEE0_MII_CONTROL,
  4132. (mii_control |
  4133. MDIO_COMBO_IEEO_MII_CONTROL_RESET));
  4134. if (set_serdes)
  4135. bnx2x_set_serdes_access(bp, params->port);
  4136. /* wait for the reset to self clear */
  4137. for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
  4138. udelay(5);
  4139. /* the reset erased the previous bank value */
  4140. CL22_RD_OVER_CL45(bp, phy,
  4141. MDIO_REG_BANK_COMBO_IEEE0,
  4142. MDIO_COMBO_IEEE0_MII_CONTROL,
  4143. &mii_control);
  4144. if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
  4145. udelay(5);
  4146. return 0;
  4147. }
  4148. }
  4149. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  4150. " Port %d\n",
  4151. params->port);
  4152. DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
  4153. return -EINVAL;
  4154. }
  4155. static void bnx2x_set_swap_lanes(struct link_params *params,
  4156. struct bnx2x_phy *phy)
  4157. {
  4158. struct bnx2x *bp = params->bp;
  4159. /* Each two bits represents a lane number:
  4160. * No swap is 0123 => 0x1b no need to enable the swap
  4161. */
  4162. u16 rx_lane_swap, tx_lane_swap;
  4163. rx_lane_swap = ((params->lane_config &
  4164. PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
  4165. PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
  4166. tx_lane_swap = ((params->lane_config &
  4167. PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
  4168. PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
  4169. if (rx_lane_swap != 0x1b) {
  4170. CL22_WR_OVER_CL45(bp, phy,
  4171. MDIO_REG_BANK_XGXS_BLOCK2,
  4172. MDIO_XGXS_BLOCK2_RX_LN_SWAP,
  4173. (rx_lane_swap |
  4174. MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
  4175. MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
  4176. } else {
  4177. CL22_WR_OVER_CL45(bp, phy,
  4178. MDIO_REG_BANK_XGXS_BLOCK2,
  4179. MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
  4180. }
  4181. if (tx_lane_swap != 0x1b) {
  4182. CL22_WR_OVER_CL45(bp, phy,
  4183. MDIO_REG_BANK_XGXS_BLOCK2,
  4184. MDIO_XGXS_BLOCK2_TX_LN_SWAP,
  4185. (tx_lane_swap |
  4186. MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
  4187. } else {
  4188. CL22_WR_OVER_CL45(bp, phy,
  4189. MDIO_REG_BANK_XGXS_BLOCK2,
  4190. MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
  4191. }
  4192. }
  4193. static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
  4194. struct link_params *params)
  4195. {
  4196. struct bnx2x *bp = params->bp;
  4197. u16 control2;
  4198. CL22_RD_OVER_CL45(bp, phy,
  4199. MDIO_REG_BANK_SERDES_DIGITAL,
  4200. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4201. &control2);
  4202. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4203. control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4204. else
  4205. control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
  4206. DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
  4207. phy->speed_cap_mask, control2);
  4208. CL22_WR_OVER_CL45(bp, phy,
  4209. MDIO_REG_BANK_SERDES_DIGITAL,
  4210. MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
  4211. control2);
  4212. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  4213. (phy->speed_cap_mask &
  4214. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  4215. DP(NETIF_MSG_LINK, "XGXS\n");
  4216. CL22_WR_OVER_CL45(bp, phy,
  4217. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4218. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
  4219. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
  4220. CL22_RD_OVER_CL45(bp, phy,
  4221. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4222. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4223. &control2);
  4224. control2 |=
  4225. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
  4226. CL22_WR_OVER_CL45(bp, phy,
  4227. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4228. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
  4229. control2);
  4230. /* Disable parallel detection of HiG */
  4231. CL22_WR_OVER_CL45(bp, phy,
  4232. MDIO_REG_BANK_XGXS_BLOCK2,
  4233. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
  4234. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
  4235. MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
  4236. }
  4237. }
  4238. static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
  4239. struct link_params *params,
  4240. struct link_vars *vars,
  4241. u8 enable_cl73)
  4242. {
  4243. struct bnx2x *bp = params->bp;
  4244. u16 reg_val;
  4245. /* CL37 Autoneg */
  4246. CL22_RD_OVER_CL45(bp, phy,
  4247. MDIO_REG_BANK_COMBO_IEEE0,
  4248. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4249. /* CL37 Autoneg Enabled */
  4250. if (vars->line_speed == SPEED_AUTO_NEG)
  4251. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
  4252. else /* CL37 Autoneg Disabled */
  4253. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4254. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
  4255. CL22_WR_OVER_CL45(bp, phy,
  4256. MDIO_REG_BANK_COMBO_IEEE0,
  4257. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4258. /* Enable/Disable Autodetection */
  4259. CL22_RD_OVER_CL45(bp, phy,
  4260. MDIO_REG_BANK_SERDES_DIGITAL,
  4261. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
  4262. reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
  4263. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
  4264. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
  4265. if (vars->line_speed == SPEED_AUTO_NEG)
  4266. reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4267. else
  4268. reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
  4269. CL22_WR_OVER_CL45(bp, phy,
  4270. MDIO_REG_BANK_SERDES_DIGITAL,
  4271. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
  4272. /* Enable TetonII and BAM autoneg */
  4273. CL22_RD_OVER_CL45(bp, phy,
  4274. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4275. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4276. &reg_val);
  4277. if (vars->line_speed == SPEED_AUTO_NEG) {
  4278. /* Enable BAM aneg Mode and TetonII aneg Mode */
  4279. reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4280. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4281. } else {
  4282. /* TetonII and BAM Autoneg Disabled */
  4283. reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
  4284. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
  4285. }
  4286. CL22_WR_OVER_CL45(bp, phy,
  4287. MDIO_REG_BANK_BAM_NEXT_PAGE,
  4288. MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
  4289. reg_val);
  4290. if (enable_cl73) {
  4291. /* Enable Cl73 FSM status bits */
  4292. CL22_WR_OVER_CL45(bp, phy,
  4293. MDIO_REG_BANK_CL73_USERB0,
  4294. MDIO_CL73_USERB0_CL73_UCTRL,
  4295. 0xe);
  4296. /* Enable BAM Station Manager*/
  4297. CL22_WR_OVER_CL45(bp, phy,
  4298. MDIO_REG_BANK_CL73_USERB0,
  4299. MDIO_CL73_USERB0_CL73_BAM_CTRL1,
  4300. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
  4301. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
  4302. MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
  4303. /* Advertise CL73 link speeds */
  4304. CL22_RD_OVER_CL45(bp, phy,
  4305. MDIO_REG_BANK_CL73_IEEEB1,
  4306. MDIO_CL73_IEEEB1_AN_ADV2,
  4307. &reg_val);
  4308. if (phy->speed_cap_mask &
  4309. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4310. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
  4311. if (phy->speed_cap_mask &
  4312. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
  4313. reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
  4314. CL22_WR_OVER_CL45(bp, phy,
  4315. MDIO_REG_BANK_CL73_IEEEB1,
  4316. MDIO_CL73_IEEEB1_AN_ADV2,
  4317. reg_val);
  4318. /* CL73 Autoneg Enabled */
  4319. reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
  4320. } else /* CL73 Autoneg Disabled */
  4321. reg_val = 0;
  4322. CL22_WR_OVER_CL45(bp, phy,
  4323. MDIO_REG_BANK_CL73_IEEEB0,
  4324. MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
  4325. }
  4326. /* program SerDes, forced speed */
  4327. static void bnx2x_program_serdes(struct bnx2x_phy *phy,
  4328. struct link_params *params,
  4329. struct link_vars *vars)
  4330. {
  4331. struct bnx2x *bp = params->bp;
  4332. u16 reg_val;
  4333. /* program duplex, disable autoneg and sgmii*/
  4334. CL22_RD_OVER_CL45(bp, phy,
  4335. MDIO_REG_BANK_COMBO_IEEE0,
  4336. MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
  4337. reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
  4338. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4339. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
  4340. if (phy->req_duplex == DUPLEX_FULL)
  4341. reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4342. CL22_WR_OVER_CL45(bp, phy,
  4343. MDIO_REG_BANK_COMBO_IEEE0,
  4344. MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
  4345. /* Program speed
  4346. * - needed only if the speed is greater than 1G (2.5G or 10G)
  4347. */
  4348. CL22_RD_OVER_CL45(bp, phy,
  4349. MDIO_REG_BANK_SERDES_DIGITAL,
  4350. MDIO_SERDES_DIGITAL_MISC1, &reg_val);
  4351. /* clearing the speed value before setting the right speed */
  4352. DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
  4353. reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
  4354. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4355. if (!((vars->line_speed == SPEED_1000) ||
  4356. (vars->line_speed == SPEED_100) ||
  4357. (vars->line_speed == SPEED_10))) {
  4358. reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
  4359. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
  4360. if (vars->line_speed == SPEED_10000)
  4361. reg_val |=
  4362. MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
  4363. }
  4364. CL22_WR_OVER_CL45(bp, phy,
  4365. MDIO_REG_BANK_SERDES_DIGITAL,
  4366. MDIO_SERDES_DIGITAL_MISC1, reg_val);
  4367. }
  4368. static void bnx2x_set_brcm_cl37_advertisement(struct bnx2x_phy *phy,
  4369. struct link_params *params)
  4370. {
  4371. struct bnx2x *bp = params->bp;
  4372. u16 val = 0;
  4373. /* set extended capabilities */
  4374. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
  4375. val |= MDIO_OVER_1G_UP1_2_5G;
  4376. if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  4377. val |= MDIO_OVER_1G_UP1_10G;
  4378. CL22_WR_OVER_CL45(bp, phy,
  4379. MDIO_REG_BANK_OVER_1G,
  4380. MDIO_OVER_1G_UP1, val);
  4381. CL22_WR_OVER_CL45(bp, phy,
  4382. MDIO_REG_BANK_OVER_1G,
  4383. MDIO_OVER_1G_UP3, 0x400);
  4384. }
  4385. static void bnx2x_set_ieee_aneg_advertisement(struct bnx2x_phy *phy,
  4386. struct link_params *params,
  4387. u16 ieee_fc)
  4388. {
  4389. struct bnx2x *bp = params->bp;
  4390. u16 val;
  4391. /* for AN, we are always publishing full duplex */
  4392. CL22_WR_OVER_CL45(bp, phy,
  4393. MDIO_REG_BANK_COMBO_IEEE0,
  4394. MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
  4395. CL22_RD_OVER_CL45(bp, phy,
  4396. MDIO_REG_BANK_CL73_IEEEB1,
  4397. MDIO_CL73_IEEEB1_AN_ADV1, &val);
  4398. val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
  4399. val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
  4400. CL22_WR_OVER_CL45(bp, phy,
  4401. MDIO_REG_BANK_CL73_IEEEB1,
  4402. MDIO_CL73_IEEEB1_AN_ADV1, val);
  4403. }
  4404. static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
  4405. struct link_params *params,
  4406. u8 enable_cl73)
  4407. {
  4408. struct bnx2x *bp = params->bp;
  4409. u16 mii_control;
  4410. DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
  4411. /* Enable and restart BAM/CL37 aneg */
  4412. if (enable_cl73) {
  4413. CL22_RD_OVER_CL45(bp, phy,
  4414. MDIO_REG_BANK_CL73_IEEEB0,
  4415. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4416. &mii_control);
  4417. CL22_WR_OVER_CL45(bp, phy,
  4418. MDIO_REG_BANK_CL73_IEEEB0,
  4419. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4420. (mii_control |
  4421. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
  4422. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
  4423. } else {
  4424. CL22_RD_OVER_CL45(bp, phy,
  4425. MDIO_REG_BANK_COMBO_IEEE0,
  4426. MDIO_COMBO_IEEE0_MII_CONTROL,
  4427. &mii_control);
  4428. DP(NETIF_MSG_LINK,
  4429. "bnx2x_restart_autoneg mii_control before = 0x%x\n",
  4430. mii_control);
  4431. CL22_WR_OVER_CL45(bp, phy,
  4432. MDIO_REG_BANK_COMBO_IEEE0,
  4433. MDIO_COMBO_IEEE0_MII_CONTROL,
  4434. (mii_control |
  4435. MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4436. MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
  4437. }
  4438. }
  4439. static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
  4440. struct link_params *params,
  4441. struct link_vars *vars)
  4442. {
  4443. struct bnx2x *bp = params->bp;
  4444. u16 control1;
  4445. /* in SGMII mode, the unicore is always slave */
  4446. CL22_RD_OVER_CL45(bp, phy,
  4447. MDIO_REG_BANK_SERDES_DIGITAL,
  4448. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4449. &control1);
  4450. control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
  4451. /* set sgmii mode (and not fiber) */
  4452. control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
  4453. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
  4454. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
  4455. CL22_WR_OVER_CL45(bp, phy,
  4456. MDIO_REG_BANK_SERDES_DIGITAL,
  4457. MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
  4458. control1);
  4459. /* if forced speed */
  4460. if (!(vars->line_speed == SPEED_AUTO_NEG)) {
  4461. /* set speed, disable autoneg */
  4462. u16 mii_control;
  4463. CL22_RD_OVER_CL45(bp, phy,
  4464. MDIO_REG_BANK_COMBO_IEEE0,
  4465. MDIO_COMBO_IEEE0_MII_CONTROL,
  4466. &mii_control);
  4467. mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
  4468. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
  4469. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
  4470. switch (vars->line_speed) {
  4471. case SPEED_100:
  4472. mii_control |=
  4473. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
  4474. break;
  4475. case SPEED_1000:
  4476. mii_control |=
  4477. MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
  4478. break;
  4479. case SPEED_10:
  4480. /* there is nothing to set for 10M */
  4481. break;
  4482. default:
  4483. /* invalid speed for SGMII */
  4484. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4485. vars->line_speed);
  4486. break;
  4487. }
  4488. /* setting the full duplex */
  4489. if (phy->req_duplex == DUPLEX_FULL)
  4490. mii_control |=
  4491. MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
  4492. CL22_WR_OVER_CL45(bp, phy,
  4493. MDIO_REG_BANK_COMBO_IEEE0,
  4494. MDIO_COMBO_IEEE0_MII_CONTROL,
  4495. mii_control);
  4496. } else { /* AN mode */
  4497. /* enable and restart AN */
  4498. bnx2x_restart_autoneg(phy, params, 0);
  4499. }
  4500. }
  4501. /* Link management
  4502. */
  4503. static int bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
  4504. struct link_params *params)
  4505. {
  4506. struct bnx2x *bp = params->bp;
  4507. u16 pd_10g, status2_1000x;
  4508. if (phy->req_line_speed != SPEED_AUTO_NEG)
  4509. return 0;
  4510. CL22_RD_OVER_CL45(bp, phy,
  4511. MDIO_REG_BANK_SERDES_DIGITAL,
  4512. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4513. &status2_1000x);
  4514. CL22_RD_OVER_CL45(bp, phy,
  4515. MDIO_REG_BANK_SERDES_DIGITAL,
  4516. MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
  4517. &status2_1000x);
  4518. if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
  4519. DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
  4520. params->port);
  4521. return 1;
  4522. }
  4523. CL22_RD_OVER_CL45(bp, phy,
  4524. MDIO_REG_BANK_10G_PARALLEL_DETECT,
  4525. MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
  4526. &pd_10g);
  4527. if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
  4528. DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
  4529. params->port);
  4530. return 1;
  4531. }
  4532. return 0;
  4533. }
  4534. static void bnx2x_update_adv_fc(struct bnx2x_phy *phy,
  4535. struct link_params *params,
  4536. struct link_vars *vars,
  4537. u32 gp_status)
  4538. {
  4539. u16 ld_pause; /* local driver */
  4540. u16 lp_pause; /* link partner */
  4541. u16 pause_result;
  4542. struct bnx2x *bp = params->bp;
  4543. if ((gp_status &
  4544. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4545. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
  4546. (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
  4547. MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
  4548. CL22_RD_OVER_CL45(bp, phy,
  4549. MDIO_REG_BANK_CL73_IEEEB1,
  4550. MDIO_CL73_IEEEB1_AN_ADV1,
  4551. &ld_pause);
  4552. CL22_RD_OVER_CL45(bp, phy,
  4553. MDIO_REG_BANK_CL73_IEEEB1,
  4554. MDIO_CL73_IEEEB1_AN_LP_ADV1,
  4555. &lp_pause);
  4556. pause_result = (ld_pause &
  4557. MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK) >> 8;
  4558. pause_result |= (lp_pause &
  4559. MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK) >> 10;
  4560. DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n", pause_result);
  4561. } else {
  4562. CL22_RD_OVER_CL45(bp, phy,
  4563. MDIO_REG_BANK_COMBO_IEEE0,
  4564. MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
  4565. &ld_pause);
  4566. CL22_RD_OVER_CL45(bp, phy,
  4567. MDIO_REG_BANK_COMBO_IEEE0,
  4568. MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
  4569. &lp_pause);
  4570. pause_result = (ld_pause &
  4571. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
  4572. pause_result |= (lp_pause &
  4573. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
  4574. DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n", pause_result);
  4575. }
  4576. bnx2x_pause_resolve(vars, pause_result);
  4577. }
  4578. static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
  4579. struct link_params *params,
  4580. struct link_vars *vars,
  4581. u32 gp_status)
  4582. {
  4583. struct bnx2x *bp = params->bp;
  4584. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4585. /* resolve from gp_status in case of AN complete and not sgmii */
  4586. if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO) {
  4587. /* Update the advertised flow-controled of LD/LP in AN */
  4588. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4589. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4590. /* But set the flow-control result as the requested one */
  4591. vars->flow_ctrl = phy->req_flow_ctrl;
  4592. } else if (phy->req_line_speed != SPEED_AUTO_NEG)
  4593. vars->flow_ctrl = params->req_fc_auto_adv;
  4594. else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
  4595. (!(vars->phy_flags & PHY_SGMII_FLAG))) {
  4596. if (bnx2x_direct_parallel_detect_used(phy, params)) {
  4597. vars->flow_ctrl = params->req_fc_auto_adv;
  4598. return;
  4599. }
  4600. bnx2x_update_adv_fc(phy, params, vars, gp_status);
  4601. }
  4602. DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
  4603. }
  4604. static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
  4605. struct link_params *params)
  4606. {
  4607. struct bnx2x *bp = params->bp;
  4608. u16 rx_status, ustat_val, cl37_fsm_received;
  4609. DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
  4610. /* Step 1: Make sure signal is detected */
  4611. CL22_RD_OVER_CL45(bp, phy,
  4612. MDIO_REG_BANK_RX0,
  4613. MDIO_RX0_RX_STATUS,
  4614. &rx_status);
  4615. if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
  4616. (MDIO_RX0_RX_STATUS_SIGDET)) {
  4617. DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
  4618. "rx_status(0x80b0) = 0x%x\n", rx_status);
  4619. CL22_WR_OVER_CL45(bp, phy,
  4620. MDIO_REG_BANK_CL73_IEEEB0,
  4621. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4622. MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
  4623. return;
  4624. }
  4625. /* Step 2: Check CL73 state machine */
  4626. CL22_RD_OVER_CL45(bp, phy,
  4627. MDIO_REG_BANK_CL73_USERB0,
  4628. MDIO_CL73_USERB0_CL73_USTAT1,
  4629. &ustat_val);
  4630. if ((ustat_val &
  4631. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4632. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
  4633. (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
  4634. MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
  4635. DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
  4636. "ustat_val(0x8371) = 0x%x\n", ustat_val);
  4637. return;
  4638. }
  4639. /* Step 3: Check CL37 Message Pages received to indicate LP
  4640. * supports only CL37
  4641. */
  4642. CL22_RD_OVER_CL45(bp, phy,
  4643. MDIO_REG_BANK_REMOTE_PHY,
  4644. MDIO_REMOTE_PHY_MISC_RX_STATUS,
  4645. &cl37_fsm_received);
  4646. if ((cl37_fsm_received &
  4647. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4648. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
  4649. (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
  4650. MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
  4651. DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
  4652. "misc_rx_status(0x8330) = 0x%x\n",
  4653. cl37_fsm_received);
  4654. return;
  4655. }
  4656. /* The combined cl37/cl73 fsm state information indicating that
  4657. * we are connected to a device which does not support cl73, but
  4658. * does support cl37 BAM. In this case we disable cl73 and
  4659. * restart cl37 auto-neg
  4660. */
  4661. /* Disable CL73 */
  4662. CL22_WR_OVER_CL45(bp, phy,
  4663. MDIO_REG_BANK_CL73_IEEEB0,
  4664. MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
  4665. 0);
  4666. /* Restart CL37 autoneg */
  4667. bnx2x_restart_autoneg(phy, params, 0);
  4668. DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
  4669. }
  4670. static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
  4671. struct link_params *params,
  4672. struct link_vars *vars,
  4673. u32 gp_status)
  4674. {
  4675. if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
  4676. vars->link_status |=
  4677. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4678. if (bnx2x_direct_parallel_detect_used(phy, params))
  4679. vars->link_status |=
  4680. LINK_STATUS_PARALLEL_DETECTION_USED;
  4681. }
  4682. static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy,
  4683. struct link_params *params,
  4684. struct link_vars *vars,
  4685. u16 is_link_up,
  4686. u16 speed_mask,
  4687. u16 is_duplex)
  4688. {
  4689. struct bnx2x *bp = params->bp;
  4690. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4691. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
  4692. if (is_link_up) {
  4693. DP(NETIF_MSG_LINK, "phy link up\n");
  4694. vars->phy_link_up = 1;
  4695. vars->link_status |= LINK_STATUS_LINK_UP;
  4696. switch (speed_mask) {
  4697. case GP_STATUS_10M:
  4698. vars->line_speed = SPEED_10;
  4699. if (vars->duplex == DUPLEX_FULL)
  4700. vars->link_status |= LINK_10TFD;
  4701. else
  4702. vars->link_status |= LINK_10THD;
  4703. break;
  4704. case GP_STATUS_100M:
  4705. vars->line_speed = SPEED_100;
  4706. if (vars->duplex == DUPLEX_FULL)
  4707. vars->link_status |= LINK_100TXFD;
  4708. else
  4709. vars->link_status |= LINK_100TXHD;
  4710. break;
  4711. case GP_STATUS_1G:
  4712. case GP_STATUS_1G_KX:
  4713. vars->line_speed = SPEED_1000;
  4714. if (vars->duplex == DUPLEX_FULL)
  4715. vars->link_status |= LINK_1000TFD;
  4716. else
  4717. vars->link_status |= LINK_1000THD;
  4718. break;
  4719. case GP_STATUS_2_5G:
  4720. vars->line_speed = SPEED_2500;
  4721. if (vars->duplex == DUPLEX_FULL)
  4722. vars->link_status |= LINK_2500TFD;
  4723. else
  4724. vars->link_status |= LINK_2500THD;
  4725. break;
  4726. case GP_STATUS_5G:
  4727. case GP_STATUS_6G:
  4728. DP(NETIF_MSG_LINK,
  4729. "link speed unsupported gp_status 0x%x\n",
  4730. speed_mask);
  4731. return -EINVAL;
  4732. case GP_STATUS_10G_KX4:
  4733. case GP_STATUS_10G_HIG:
  4734. case GP_STATUS_10G_CX4:
  4735. case GP_STATUS_10G_KR:
  4736. case GP_STATUS_10G_SFI:
  4737. case GP_STATUS_10G_XFI:
  4738. vars->line_speed = SPEED_10000;
  4739. vars->link_status |= LINK_10GTFD;
  4740. break;
  4741. case GP_STATUS_20G_DXGXS:
  4742. vars->line_speed = SPEED_20000;
  4743. vars->link_status |= LINK_20GTFD;
  4744. break;
  4745. default:
  4746. DP(NETIF_MSG_LINK,
  4747. "link speed unsupported gp_status 0x%x\n",
  4748. speed_mask);
  4749. return -EINVAL;
  4750. }
  4751. } else { /* link_down */
  4752. DP(NETIF_MSG_LINK, "phy link down\n");
  4753. vars->phy_link_up = 0;
  4754. vars->duplex = DUPLEX_FULL;
  4755. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  4756. vars->mac_type = MAC_TYPE_NONE;
  4757. }
  4758. DP(NETIF_MSG_LINK, " phy_link_up %x line_speed %d\n",
  4759. vars->phy_link_up, vars->line_speed);
  4760. return 0;
  4761. }
  4762. static int bnx2x_link_settings_status(struct bnx2x_phy *phy,
  4763. struct link_params *params,
  4764. struct link_vars *vars)
  4765. {
  4766. struct bnx2x *bp = params->bp;
  4767. u16 gp_status, duplex = DUPLEX_HALF, link_up = 0, speed_mask;
  4768. int rc = 0;
  4769. /* Read gp_status */
  4770. CL22_RD_OVER_CL45(bp, phy,
  4771. MDIO_REG_BANK_GP_STATUS,
  4772. MDIO_GP_STATUS_TOP_AN_STATUS1,
  4773. &gp_status);
  4774. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
  4775. duplex = DUPLEX_FULL;
  4776. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS)
  4777. link_up = 1;
  4778. speed_mask = gp_status & GP_STATUS_SPEED_MASK;
  4779. DP(NETIF_MSG_LINK, "gp_status 0x%x, is_link_up %d, speed_mask 0x%x\n",
  4780. gp_status, link_up, speed_mask);
  4781. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, speed_mask,
  4782. duplex);
  4783. if (rc == -EINVAL)
  4784. return rc;
  4785. if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
  4786. if (SINGLE_MEDIA_DIRECT(params)) {
  4787. bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
  4788. if (phy->req_line_speed == SPEED_AUTO_NEG)
  4789. bnx2x_xgxs_an_resolve(phy, params, vars,
  4790. gp_status);
  4791. }
  4792. } else { /* link_down */
  4793. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  4794. SINGLE_MEDIA_DIRECT(params)) {
  4795. /* Check signal is detected */
  4796. bnx2x_check_fallback_to_cl37(phy, params);
  4797. }
  4798. }
  4799. /* Read LP advertised speeds*/
  4800. if (SINGLE_MEDIA_DIRECT(params) &&
  4801. (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)) {
  4802. u16 val;
  4803. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_CL73_IEEEB1,
  4804. MDIO_CL73_IEEEB1_AN_LP_ADV2, &val);
  4805. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4806. vars->link_status |=
  4807. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4808. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4809. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4810. vars->link_status |=
  4811. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4812. CL22_RD_OVER_CL45(bp, phy, MDIO_REG_BANK_OVER_1G,
  4813. MDIO_OVER_1G_LP_UP1, &val);
  4814. if (val & MDIO_OVER_1G_UP1_2_5G)
  4815. vars->link_status |=
  4816. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4817. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4818. vars->link_status |=
  4819. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4820. }
  4821. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4822. vars->duplex, vars->flow_ctrl, vars->link_status);
  4823. return rc;
  4824. }
  4825. static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
  4826. struct link_params *params,
  4827. struct link_vars *vars)
  4828. {
  4829. struct bnx2x *bp = params->bp;
  4830. u8 lane;
  4831. u16 gp_status1, gp_speed, link_up, duplex = DUPLEX_FULL;
  4832. int rc = 0;
  4833. lane = bnx2x_get_warpcore_lane(phy, params);
  4834. /* Read gp_status */
  4835. if (phy->req_line_speed > SPEED_10000) {
  4836. u16 temp_link_up;
  4837. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4838. 1, &temp_link_up);
  4839. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4840. 1, &link_up);
  4841. DP(NETIF_MSG_LINK, "PCS RX link status = 0x%x-->0x%x\n",
  4842. temp_link_up, link_up);
  4843. link_up &= (1<<2);
  4844. if (link_up)
  4845. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4846. } else {
  4847. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4848. MDIO_WC_REG_GP2_STATUS_GP_2_1, &gp_status1);
  4849. DP(NETIF_MSG_LINK, "0x81d1 = 0x%x\n", gp_status1);
  4850. /* Check for either KR or generic link up. */
  4851. gp_status1 = ((gp_status1 >> 8) & 0xf) |
  4852. ((gp_status1 >> 12) & 0xf);
  4853. link_up = gp_status1 & (1 << lane);
  4854. if (link_up && SINGLE_MEDIA_DIRECT(params)) {
  4855. u16 pd, gp_status4;
  4856. if (phy->req_line_speed == SPEED_AUTO_NEG) {
  4857. /* Check Autoneg complete */
  4858. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4859. MDIO_WC_REG_GP2_STATUS_GP_2_4,
  4860. &gp_status4);
  4861. if (gp_status4 & ((1<<12)<<lane))
  4862. vars->link_status |=
  4863. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  4864. /* Check parallel detect used */
  4865. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4866. MDIO_WC_REG_PAR_DET_10G_STATUS,
  4867. &pd);
  4868. if (pd & (1<<15))
  4869. vars->link_status |=
  4870. LINK_STATUS_PARALLEL_DETECTION_USED;
  4871. }
  4872. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  4873. }
  4874. }
  4875. if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) &&
  4876. SINGLE_MEDIA_DIRECT(params)) {
  4877. u16 val;
  4878. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  4879. MDIO_AN_REG_LP_AUTO_NEG2, &val);
  4880. if (val & MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX)
  4881. vars->link_status |=
  4882. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  4883. if (val & (MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4 |
  4884. MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KR))
  4885. vars->link_status |=
  4886. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4887. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4888. MDIO_WC_REG_DIGITAL3_LP_UP1, &val);
  4889. if (val & MDIO_OVER_1G_UP1_2_5G)
  4890. vars->link_status |=
  4891. LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE;
  4892. if (val & (MDIO_OVER_1G_UP1_10G | MDIO_OVER_1G_UP1_10GH))
  4893. vars->link_status |=
  4894. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  4895. }
  4896. if (lane < 2) {
  4897. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4898. MDIO_WC_REG_GP2_STATUS_GP_2_2, &gp_speed);
  4899. } else {
  4900. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  4901. MDIO_WC_REG_GP2_STATUS_GP_2_3, &gp_speed);
  4902. }
  4903. DP(NETIF_MSG_LINK, "lane %d gp_speed 0x%x\n", lane, gp_speed);
  4904. if ((lane & 1) == 0)
  4905. gp_speed <<= 8;
  4906. gp_speed &= 0x3f00;
  4907. rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
  4908. duplex);
  4909. DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
  4910. vars->duplex, vars->flow_ctrl, vars->link_status);
  4911. return rc;
  4912. }
  4913. static void bnx2x_set_gmii_tx_driver(struct link_params *params)
  4914. {
  4915. struct bnx2x *bp = params->bp;
  4916. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  4917. u16 lp_up2;
  4918. u16 tx_driver;
  4919. u16 bank;
  4920. /* read precomp */
  4921. CL22_RD_OVER_CL45(bp, phy,
  4922. MDIO_REG_BANK_OVER_1G,
  4923. MDIO_OVER_1G_LP_UP2, &lp_up2);
  4924. /* bits [10:7] at lp_up2, positioned at [15:12] */
  4925. lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
  4926. MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
  4927. MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
  4928. if (lp_up2 == 0)
  4929. return;
  4930. for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
  4931. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
  4932. CL22_RD_OVER_CL45(bp, phy,
  4933. bank,
  4934. MDIO_TX0_TX_DRIVER, &tx_driver);
  4935. /* replace tx_driver bits [15:12] */
  4936. if (lp_up2 !=
  4937. (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
  4938. tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
  4939. tx_driver |= lp_up2;
  4940. CL22_WR_OVER_CL45(bp, phy,
  4941. bank,
  4942. MDIO_TX0_TX_DRIVER, tx_driver);
  4943. }
  4944. }
  4945. }
  4946. static int bnx2x_emac_program(struct link_params *params,
  4947. struct link_vars *vars)
  4948. {
  4949. struct bnx2x *bp = params->bp;
  4950. u8 port = params->port;
  4951. u16 mode = 0;
  4952. DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
  4953. bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
  4954. EMAC_REG_EMAC_MODE,
  4955. (EMAC_MODE_25G_MODE |
  4956. EMAC_MODE_PORT_MII_10M |
  4957. EMAC_MODE_HALF_DUPLEX));
  4958. switch (vars->line_speed) {
  4959. case SPEED_10:
  4960. mode |= EMAC_MODE_PORT_MII_10M;
  4961. break;
  4962. case SPEED_100:
  4963. mode |= EMAC_MODE_PORT_MII;
  4964. break;
  4965. case SPEED_1000:
  4966. mode |= EMAC_MODE_PORT_GMII;
  4967. break;
  4968. case SPEED_2500:
  4969. mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
  4970. break;
  4971. default:
  4972. /* 10G not valid for EMAC */
  4973. DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
  4974. vars->line_speed);
  4975. return -EINVAL;
  4976. }
  4977. if (vars->duplex == DUPLEX_HALF)
  4978. mode |= EMAC_MODE_HALF_DUPLEX;
  4979. bnx2x_bits_en(bp,
  4980. GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
  4981. mode);
  4982. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  4983. return 0;
  4984. }
  4985. static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
  4986. struct link_params *params)
  4987. {
  4988. u16 bank, i = 0;
  4989. struct bnx2x *bp = params->bp;
  4990. for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
  4991. bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
  4992. CL22_WR_OVER_CL45(bp, phy,
  4993. bank,
  4994. MDIO_RX0_RX_EQ_BOOST,
  4995. phy->rx_preemphasis[i]);
  4996. }
  4997. for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
  4998. bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
  4999. CL22_WR_OVER_CL45(bp, phy,
  5000. bank,
  5001. MDIO_TX0_TX_DRIVER,
  5002. phy->tx_preemphasis[i]);
  5003. }
  5004. }
  5005. static void bnx2x_xgxs_config_init(struct bnx2x_phy *phy,
  5006. struct link_params *params,
  5007. struct link_vars *vars)
  5008. {
  5009. struct bnx2x *bp = params->bp;
  5010. u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
  5011. (params->loopback_mode == LOOPBACK_XGXS));
  5012. if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
  5013. if (SINGLE_MEDIA_DIRECT(params) &&
  5014. (params->feature_config_flags &
  5015. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
  5016. bnx2x_set_preemphasis(phy, params);
  5017. /* forced speed requested? */
  5018. if (vars->line_speed != SPEED_AUTO_NEG ||
  5019. (SINGLE_MEDIA_DIRECT(params) &&
  5020. params->loopback_mode == LOOPBACK_EXT)) {
  5021. DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
  5022. /* disable autoneg */
  5023. bnx2x_set_autoneg(phy, params, vars, 0);
  5024. /* program speed and duplex */
  5025. bnx2x_program_serdes(phy, params, vars);
  5026. } else { /* AN_mode */
  5027. DP(NETIF_MSG_LINK, "not SGMII, AN\n");
  5028. /* AN enabled */
  5029. bnx2x_set_brcm_cl37_advertisement(phy, params);
  5030. /* program duplex & pause advertisement (for aneg) */
  5031. bnx2x_set_ieee_aneg_advertisement(phy, params,
  5032. vars->ieee_fc);
  5033. /* enable autoneg */
  5034. bnx2x_set_autoneg(phy, params, vars, enable_cl73);
  5035. /* enable and restart AN */
  5036. bnx2x_restart_autoneg(phy, params, enable_cl73);
  5037. }
  5038. } else { /* SGMII mode */
  5039. DP(NETIF_MSG_LINK, "SGMII\n");
  5040. bnx2x_initialize_sgmii_process(phy, params, vars);
  5041. }
  5042. }
  5043. static int bnx2x_prepare_xgxs(struct bnx2x_phy *phy,
  5044. struct link_params *params,
  5045. struct link_vars *vars)
  5046. {
  5047. int rc;
  5048. vars->phy_flags |= PHY_XGXS_FLAG;
  5049. if ((phy->req_line_speed &&
  5050. ((phy->req_line_speed == SPEED_100) ||
  5051. (phy->req_line_speed == SPEED_10))) ||
  5052. (!phy->req_line_speed &&
  5053. (phy->speed_cap_mask >=
  5054. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
  5055. (phy->speed_cap_mask <
  5056. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  5057. (phy->type == PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT_SD))
  5058. vars->phy_flags |= PHY_SGMII_FLAG;
  5059. else
  5060. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5061. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  5062. bnx2x_set_aer_mmd(params, phy);
  5063. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
  5064. bnx2x_set_master_ln(params, phy);
  5065. rc = bnx2x_reset_unicore(params, phy, 0);
  5066. /* reset the SerDes and wait for reset bit return low */
  5067. if (rc != 0)
  5068. return rc;
  5069. bnx2x_set_aer_mmd(params, phy);
  5070. /* setting the masterLn_def again after the reset */
  5071. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) {
  5072. bnx2x_set_master_ln(params, phy);
  5073. bnx2x_set_swap_lanes(params, phy);
  5074. }
  5075. return rc;
  5076. }
  5077. static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
  5078. struct bnx2x_phy *phy,
  5079. struct link_params *params)
  5080. {
  5081. u16 cnt, ctrl;
  5082. /* Wait for soft reset to get cleared up to 1 sec */
  5083. for (cnt = 0; cnt < 1000; cnt++) {
  5084. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5085. bnx2x_cl22_read(bp, phy,
  5086. MDIO_PMA_REG_CTRL, &ctrl);
  5087. else
  5088. bnx2x_cl45_read(bp, phy,
  5089. MDIO_PMA_DEVAD,
  5090. MDIO_PMA_REG_CTRL, &ctrl);
  5091. if (!(ctrl & (1<<15)))
  5092. break;
  5093. msleep(1);
  5094. }
  5095. if (cnt == 1000)
  5096. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  5097. " Port %d\n",
  5098. params->port);
  5099. DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
  5100. return cnt;
  5101. }
  5102. static void bnx2x_link_int_enable(struct link_params *params)
  5103. {
  5104. u8 port = params->port;
  5105. u32 mask;
  5106. struct bnx2x *bp = params->bp;
  5107. /* Setting the status to report on link up for either XGXS or SerDes */
  5108. if (CHIP_IS_E3(bp)) {
  5109. mask = NIG_MASK_XGXS0_LINK_STATUS;
  5110. if (!(SINGLE_MEDIA_DIRECT(params)))
  5111. mask |= NIG_MASK_MI_INT;
  5112. } else if (params->switch_cfg == SWITCH_CFG_10G) {
  5113. mask = (NIG_MASK_XGXS0_LINK10G |
  5114. NIG_MASK_XGXS0_LINK_STATUS);
  5115. DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
  5116. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5117. params->phy[INT_PHY].type !=
  5118. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
  5119. mask |= NIG_MASK_MI_INT;
  5120. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5121. }
  5122. } else { /* SerDes */
  5123. mask = NIG_MASK_SERDES0_LINK_STATUS;
  5124. DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
  5125. if (!(SINGLE_MEDIA_DIRECT(params)) &&
  5126. params->phy[INT_PHY].type !=
  5127. PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
  5128. mask |= NIG_MASK_MI_INT;
  5129. DP(NETIF_MSG_LINK, "enabled external phy int\n");
  5130. }
  5131. }
  5132. bnx2x_bits_en(bp,
  5133. NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  5134. mask);
  5135. DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
  5136. (params->switch_cfg == SWITCH_CFG_10G),
  5137. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5138. DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
  5139. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5140. REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
  5141. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
  5142. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5143. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5144. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5145. }
  5146. static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
  5147. u8 exp_mi_int)
  5148. {
  5149. u32 latch_status = 0;
  5150. /* Disable the MI INT ( external phy int ) by writing 1 to the
  5151. * status register. Link down indication is high-active-signal,
  5152. * so in this case we need to write the status to clear the XOR
  5153. */
  5154. /* Read Latched signals */
  5155. latch_status = REG_RD(bp,
  5156. NIG_REG_LATCH_STATUS_0 + port*8);
  5157. DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
  5158. /* Handle only those with latched-signal=up.*/
  5159. if (exp_mi_int)
  5160. bnx2x_bits_en(bp,
  5161. NIG_REG_STATUS_INTERRUPT_PORT0
  5162. + port*4,
  5163. NIG_STATUS_EMAC0_MI_INT);
  5164. else
  5165. bnx2x_bits_dis(bp,
  5166. NIG_REG_STATUS_INTERRUPT_PORT0
  5167. + port*4,
  5168. NIG_STATUS_EMAC0_MI_INT);
  5169. if (latch_status & 1) {
  5170. /* For all latched-signal=up : Re-Arm Latch signals */
  5171. REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
  5172. (latch_status & 0xfffe) | (latch_status & 1));
  5173. }
  5174. /* For all latched-signal=up,Write original_signal to status */
  5175. }
  5176. static void bnx2x_link_int_ack(struct link_params *params,
  5177. struct link_vars *vars, u8 is_10g_plus)
  5178. {
  5179. struct bnx2x *bp = params->bp;
  5180. u8 port = params->port;
  5181. u32 mask;
  5182. /* First reset all status we assume only one line will be
  5183. * change at a time
  5184. */
  5185. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5186. (NIG_STATUS_XGXS0_LINK10G |
  5187. NIG_STATUS_XGXS0_LINK_STATUS |
  5188. NIG_STATUS_SERDES0_LINK_STATUS));
  5189. if (vars->phy_link_up) {
  5190. if (USES_WARPCORE(bp))
  5191. mask = NIG_STATUS_XGXS0_LINK_STATUS;
  5192. else {
  5193. if (is_10g_plus)
  5194. mask = NIG_STATUS_XGXS0_LINK10G;
  5195. else if (params->switch_cfg == SWITCH_CFG_10G) {
  5196. /* Disable the link interrupt by writing 1 to
  5197. * the relevant lane in the status register
  5198. */
  5199. u32 ser_lane =
  5200. ((params->lane_config &
  5201. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
  5202. PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
  5203. mask = ((1 << ser_lane) <<
  5204. NIG_STATUS_XGXS0_LINK_STATUS_SIZE);
  5205. } else
  5206. mask = NIG_STATUS_SERDES0_LINK_STATUS;
  5207. }
  5208. DP(NETIF_MSG_LINK, "Ack link up interrupt with mask 0x%x\n",
  5209. mask);
  5210. bnx2x_bits_en(bp,
  5211. NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
  5212. mask);
  5213. }
  5214. }
  5215. static int bnx2x_format_ver(u32 num, u8 *str, u16 *len)
  5216. {
  5217. u8 *str_ptr = str;
  5218. u32 mask = 0xf0000000;
  5219. u8 shift = 8*4;
  5220. u8 digit;
  5221. u8 remove_leading_zeros = 1;
  5222. if (*len < 10) {
  5223. /* Need more than 10chars for this format */
  5224. *str_ptr = '\0';
  5225. (*len)--;
  5226. return -EINVAL;
  5227. }
  5228. while (shift > 0) {
  5229. shift -= 4;
  5230. digit = ((num & mask) >> shift);
  5231. if (digit == 0 && remove_leading_zeros) {
  5232. mask = mask >> 4;
  5233. continue;
  5234. } else if (digit < 0xa)
  5235. *str_ptr = digit + '0';
  5236. else
  5237. *str_ptr = digit - 0xa + 'a';
  5238. remove_leading_zeros = 0;
  5239. str_ptr++;
  5240. (*len)--;
  5241. mask = mask >> 4;
  5242. if (shift == 4*4) {
  5243. *str_ptr = '.';
  5244. str_ptr++;
  5245. (*len)--;
  5246. remove_leading_zeros = 1;
  5247. }
  5248. }
  5249. return 0;
  5250. }
  5251. static int bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  5252. {
  5253. str[0] = '\0';
  5254. (*len)--;
  5255. return 0;
  5256. }
  5257. int bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 *version,
  5258. u16 len)
  5259. {
  5260. struct bnx2x *bp;
  5261. u32 spirom_ver = 0;
  5262. int status = 0;
  5263. u8 *ver_p = version;
  5264. u16 remain_len = len;
  5265. if (version == NULL || params == NULL)
  5266. return -EINVAL;
  5267. bp = params->bp;
  5268. /* Extract first external phy*/
  5269. version[0] = '\0';
  5270. spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
  5271. if (params->phy[EXT_PHY1].format_fw_ver) {
  5272. status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
  5273. ver_p,
  5274. &remain_len);
  5275. ver_p += (len - remain_len);
  5276. }
  5277. if ((params->num_phys == MAX_PHYS) &&
  5278. (params->phy[EXT_PHY2].ver_addr != 0)) {
  5279. spirom_ver = REG_RD(bp, params->phy[EXT_PHY2].ver_addr);
  5280. if (params->phy[EXT_PHY2].format_fw_ver) {
  5281. *ver_p = '/';
  5282. ver_p++;
  5283. remain_len--;
  5284. status |= params->phy[EXT_PHY2].format_fw_ver(
  5285. spirom_ver,
  5286. ver_p,
  5287. &remain_len);
  5288. ver_p = version + (len - remain_len);
  5289. }
  5290. }
  5291. *ver_p = '\0';
  5292. return status;
  5293. }
  5294. static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
  5295. struct link_params *params)
  5296. {
  5297. u8 port = params->port;
  5298. struct bnx2x *bp = params->bp;
  5299. if (phy->req_line_speed != SPEED_1000) {
  5300. u32 md_devad = 0;
  5301. DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
  5302. if (!CHIP_IS_E3(bp)) {
  5303. /* change the uni_phy_addr in the nig */
  5304. md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
  5305. port*0x18));
  5306. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5307. 0x5);
  5308. }
  5309. bnx2x_cl45_write(bp, phy,
  5310. 5,
  5311. (MDIO_REG_BANK_AER_BLOCK +
  5312. (MDIO_AER_BLOCK_AER_REG & 0xf)),
  5313. 0x2800);
  5314. bnx2x_cl45_write(bp, phy,
  5315. 5,
  5316. (MDIO_REG_BANK_CL73_IEEEB0 +
  5317. (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
  5318. 0x6041);
  5319. msleep(200);
  5320. /* set aer mmd back */
  5321. bnx2x_set_aer_mmd(params, phy);
  5322. if (!CHIP_IS_E3(bp)) {
  5323. /* and md_devad */
  5324. REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
  5325. md_devad);
  5326. }
  5327. } else {
  5328. u16 mii_ctrl;
  5329. DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
  5330. bnx2x_cl45_read(bp, phy, 5,
  5331. (MDIO_REG_BANK_COMBO_IEEE0 +
  5332. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5333. &mii_ctrl);
  5334. bnx2x_cl45_write(bp, phy, 5,
  5335. (MDIO_REG_BANK_COMBO_IEEE0 +
  5336. (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
  5337. mii_ctrl |
  5338. MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
  5339. }
  5340. }
  5341. int bnx2x_set_led(struct link_params *params,
  5342. struct link_vars *vars, u8 mode, u32 speed)
  5343. {
  5344. u8 port = params->port;
  5345. u16 hw_led_mode = params->hw_led_mode;
  5346. int rc = 0;
  5347. u8 phy_idx;
  5348. u32 tmp;
  5349. u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
  5350. struct bnx2x *bp = params->bp;
  5351. DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
  5352. DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
  5353. speed, hw_led_mode);
  5354. /* In case */
  5355. for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
  5356. if (params->phy[phy_idx].set_link_led) {
  5357. params->phy[phy_idx].set_link_led(
  5358. &params->phy[phy_idx], params, mode);
  5359. }
  5360. }
  5361. switch (mode) {
  5362. case LED_MODE_FRONT_PANEL_OFF:
  5363. case LED_MODE_OFF:
  5364. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
  5365. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5366. SHARED_HW_CFG_LED_MAC1);
  5367. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5368. if (params->phy[EXT_PHY1].type ==
  5369. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE)
  5370. tmp &= ~(EMAC_LED_1000MB_OVERRIDE |
  5371. EMAC_LED_100MB_OVERRIDE |
  5372. EMAC_LED_10MB_OVERRIDE);
  5373. else
  5374. tmp |= EMAC_LED_OVERRIDE;
  5375. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp);
  5376. break;
  5377. case LED_MODE_OPER:
  5378. /* For all other phys, OPER mode is same as ON, so in case
  5379. * link is down, do nothing
  5380. */
  5381. if (!vars->link_up)
  5382. break;
  5383. case LED_MODE_ON:
  5384. if (((params->phy[EXT_PHY1].type ==
  5385. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
  5386. (params->phy[EXT_PHY1].type ==
  5387. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722)) &&
  5388. CHIP_IS_E2(bp) && params->num_phys == 2) {
  5389. /* This is a work-around for E2+8727 Configurations */
  5390. if (mode == LED_MODE_ON ||
  5391. speed == SPEED_10000){
  5392. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5393. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5394. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5395. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5396. (tmp | EMAC_LED_OVERRIDE));
  5397. /* Return here without enabling traffic
  5398. * LED blink and setting rate in ON mode.
  5399. * In oper mode, enabling LED blink
  5400. * and setting rate is needed.
  5401. */
  5402. if (mode == LED_MODE_ON)
  5403. return rc;
  5404. }
  5405. } else if (SINGLE_MEDIA_DIRECT(params)) {
  5406. /* This is a work-around for HW issue found when link
  5407. * is up in CL73
  5408. */
  5409. if ((!CHIP_IS_E3(bp)) ||
  5410. (CHIP_IS_E3(bp) &&
  5411. mode == LED_MODE_ON))
  5412. REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
  5413. if (CHIP_IS_E1x(bp) ||
  5414. CHIP_IS_E2(bp) ||
  5415. (mode == LED_MODE_ON))
  5416. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5417. else
  5418. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5419. hw_led_mode);
  5420. } else if ((params->phy[EXT_PHY1].type ==
  5421. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE) &&
  5422. (mode == LED_MODE_ON)) {
  5423. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
  5424. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5425. EMAC_WR(bp, EMAC_REG_EMAC_LED, tmp |
  5426. EMAC_LED_OVERRIDE | EMAC_LED_1000MB_OVERRIDE);
  5427. /* Break here; otherwise, it'll disable the
  5428. * intended override.
  5429. */
  5430. break;
  5431. } else
  5432. REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
  5433. hw_led_mode);
  5434. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
  5435. /* Set blinking rate to ~15.9Hz */
  5436. if (CHIP_IS_E3(bp))
  5437. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5438. LED_BLINK_RATE_VAL_E3);
  5439. else
  5440. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
  5441. LED_BLINK_RATE_VAL_E1X_E2);
  5442. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
  5443. port*4, 1);
  5444. tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
  5445. EMAC_WR(bp, EMAC_REG_EMAC_LED,
  5446. (tmp & (~EMAC_LED_OVERRIDE)));
  5447. if (CHIP_IS_E1(bp) &&
  5448. ((speed == SPEED_2500) ||
  5449. (speed == SPEED_1000) ||
  5450. (speed == SPEED_100) ||
  5451. (speed == SPEED_10))) {
  5452. /* For speeds less than 10G LED scheme is different */
  5453. REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
  5454. + port*4, 1);
  5455. REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
  5456. port*4, 0);
  5457. REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
  5458. port*4, 1);
  5459. }
  5460. break;
  5461. default:
  5462. rc = -EINVAL;
  5463. DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
  5464. mode);
  5465. break;
  5466. }
  5467. return rc;
  5468. }
  5469. /* This function comes to reflect the actual link state read DIRECTLY from the
  5470. * HW
  5471. */
  5472. int bnx2x_test_link(struct link_params *params, struct link_vars *vars,
  5473. u8 is_serdes)
  5474. {
  5475. struct bnx2x *bp = params->bp;
  5476. u16 gp_status = 0, phy_index = 0;
  5477. u8 ext_phy_link_up = 0, serdes_phy_type;
  5478. struct link_vars temp_vars;
  5479. struct bnx2x_phy *int_phy = &params->phy[INT_PHY];
  5480. if (CHIP_IS_E3(bp)) {
  5481. u16 link_up;
  5482. if (params->req_line_speed[LINK_CONFIG_IDX(INT_PHY)]
  5483. > SPEED_10000) {
  5484. /* Check 20G link */
  5485. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5486. 1, &link_up);
  5487. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5488. 1, &link_up);
  5489. link_up &= (1<<2);
  5490. } else {
  5491. /* Check 10G link and below*/
  5492. u8 lane = bnx2x_get_warpcore_lane(int_phy, params);
  5493. bnx2x_cl45_read(bp, int_phy, MDIO_WC_DEVAD,
  5494. MDIO_WC_REG_GP2_STATUS_GP_2_1,
  5495. &gp_status);
  5496. gp_status = ((gp_status >> 8) & 0xf) |
  5497. ((gp_status >> 12) & 0xf);
  5498. link_up = gp_status & (1 << lane);
  5499. }
  5500. if (!link_up)
  5501. return -ESRCH;
  5502. } else {
  5503. CL22_RD_OVER_CL45(bp, int_phy,
  5504. MDIO_REG_BANK_GP_STATUS,
  5505. MDIO_GP_STATUS_TOP_AN_STATUS1,
  5506. &gp_status);
  5507. /* link is up only if both local phy and external phy are up */
  5508. if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
  5509. return -ESRCH;
  5510. }
  5511. /* In XGXS loopback mode, do not check external PHY */
  5512. if (params->loopback_mode == LOOPBACK_XGXS)
  5513. return 0;
  5514. switch (params->num_phys) {
  5515. case 1:
  5516. /* No external PHY */
  5517. return 0;
  5518. case 2:
  5519. ext_phy_link_up = params->phy[EXT_PHY1].read_status(
  5520. &params->phy[EXT_PHY1],
  5521. params, &temp_vars);
  5522. break;
  5523. case 3: /* Dual Media */
  5524. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5525. phy_index++) {
  5526. serdes_phy_type = ((params->phy[phy_index].media_type ==
  5527. ETH_PHY_SFP_FIBER) ||
  5528. (params->phy[phy_index].media_type ==
  5529. ETH_PHY_XFP_FIBER) ||
  5530. (params->phy[phy_index].media_type ==
  5531. ETH_PHY_DA_TWINAX));
  5532. if (is_serdes != serdes_phy_type)
  5533. continue;
  5534. if (params->phy[phy_index].read_status) {
  5535. ext_phy_link_up |=
  5536. params->phy[phy_index].read_status(
  5537. &params->phy[phy_index],
  5538. params, &temp_vars);
  5539. }
  5540. }
  5541. break;
  5542. }
  5543. if (ext_phy_link_up)
  5544. return 0;
  5545. return -ESRCH;
  5546. }
  5547. static int bnx2x_link_initialize(struct link_params *params,
  5548. struct link_vars *vars)
  5549. {
  5550. int rc = 0;
  5551. u8 phy_index, non_ext_phy;
  5552. struct bnx2x *bp = params->bp;
  5553. /* In case of external phy existence, the line speed would be the
  5554. * line speed linked up by the external phy. In case it is direct
  5555. * only, then the line_speed during initialization will be
  5556. * equal to the req_line_speed
  5557. */
  5558. vars->line_speed = params->phy[INT_PHY].req_line_speed;
  5559. /* Initialize the internal phy in case this is a direct board
  5560. * (no external phys), or this board has external phy which requires
  5561. * to first.
  5562. */
  5563. if (!USES_WARPCORE(bp))
  5564. bnx2x_prepare_xgxs(&params->phy[INT_PHY], params, vars);
  5565. /* init ext phy and enable link state int */
  5566. non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
  5567. (params->loopback_mode == LOOPBACK_XGXS));
  5568. if (non_ext_phy ||
  5569. (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
  5570. (params->loopback_mode == LOOPBACK_EXT_PHY)) {
  5571. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  5572. if (vars->line_speed == SPEED_AUTO_NEG &&
  5573. (CHIP_IS_E1x(bp) ||
  5574. CHIP_IS_E2(bp)))
  5575. bnx2x_set_parallel_detection(phy, params);
  5576. if (params->phy[INT_PHY].config_init)
  5577. params->phy[INT_PHY].config_init(phy,
  5578. params,
  5579. vars);
  5580. }
  5581. /* Init external phy*/
  5582. if (non_ext_phy) {
  5583. if (params->phy[INT_PHY].supported &
  5584. SUPPORTED_FIBRE)
  5585. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5586. } else {
  5587. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5588. phy_index++) {
  5589. /* No need to initialize second phy in case of first
  5590. * phy only selection. In case of second phy, we do
  5591. * need to initialize the first phy, since they are
  5592. * connected.
  5593. */
  5594. if (params->phy[phy_index].supported &
  5595. SUPPORTED_FIBRE)
  5596. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5597. if (phy_index == EXT_PHY2 &&
  5598. (bnx2x_phy_selection(params) ==
  5599. PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
  5600. DP(NETIF_MSG_LINK,
  5601. "Not initializing second phy\n");
  5602. continue;
  5603. }
  5604. params->phy[phy_index].config_init(
  5605. &params->phy[phy_index],
  5606. params, vars);
  5607. }
  5608. }
  5609. /* Reset the interrupt indication after phy was initialized */
  5610. bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
  5611. params->port*4,
  5612. (NIG_STATUS_XGXS0_LINK10G |
  5613. NIG_STATUS_XGXS0_LINK_STATUS |
  5614. NIG_STATUS_SERDES0_LINK_STATUS |
  5615. NIG_MASK_MI_INT));
  5616. return rc;
  5617. }
  5618. static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
  5619. struct link_params *params)
  5620. {
  5621. /* reset the SerDes/XGXS */
  5622. REG_WR(params->bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
  5623. (0x1ff << (params->port*16)));
  5624. }
  5625. static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
  5626. struct link_params *params)
  5627. {
  5628. struct bnx2x *bp = params->bp;
  5629. u8 gpio_port;
  5630. /* HW reset */
  5631. if (CHIP_IS_E2(bp))
  5632. gpio_port = BP_PATH(bp);
  5633. else
  5634. gpio_port = params->port;
  5635. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  5636. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5637. gpio_port);
  5638. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  5639. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  5640. gpio_port);
  5641. DP(NETIF_MSG_LINK, "reset external PHY\n");
  5642. }
  5643. static int bnx2x_update_link_down(struct link_params *params,
  5644. struct link_vars *vars)
  5645. {
  5646. struct bnx2x *bp = params->bp;
  5647. u8 port = params->port;
  5648. DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
  5649. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  5650. vars->phy_flags &= ~PHY_PHYSICAL_LINK_FLAG;
  5651. /* indicate no mac active */
  5652. vars->mac_type = MAC_TYPE_NONE;
  5653. /* update shared memory */
  5654. vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK |
  5655. LINK_STATUS_LINK_UP |
  5656. LINK_STATUS_PHYSICAL_LINK_FLAG |
  5657. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE |
  5658. LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK |
  5659. LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK |
  5660. LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK |
  5661. LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE |
  5662. LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE);
  5663. vars->line_speed = 0;
  5664. bnx2x_update_mng(params, vars->link_status);
  5665. /* activate nig drain */
  5666. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  5667. /* disable emac */
  5668. if (!CHIP_IS_E3(bp))
  5669. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5670. msleep(10);
  5671. /* reset BigMac/Xmac */
  5672. if (CHIP_IS_E1x(bp) ||
  5673. CHIP_IS_E2(bp)) {
  5674. bnx2x_bmac_rx_disable(bp, params->port);
  5675. REG_WR(bp, GRCBASE_MISC +
  5676. MISC_REGISTERS_RESET_REG_2_CLEAR,
  5677. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  5678. }
  5679. if (CHIP_IS_E3(bp)) {
  5680. bnx2x_xmac_disable(params);
  5681. bnx2x_umac_disable(params);
  5682. }
  5683. return 0;
  5684. }
  5685. static int bnx2x_update_link_up(struct link_params *params,
  5686. struct link_vars *vars,
  5687. u8 link_10g)
  5688. {
  5689. struct bnx2x *bp = params->bp;
  5690. u8 phy_idx, port = params->port;
  5691. int rc = 0;
  5692. vars->link_status |= (LINK_STATUS_LINK_UP |
  5693. LINK_STATUS_PHYSICAL_LINK_FLAG);
  5694. vars->phy_flags |= PHY_PHYSICAL_LINK_FLAG;
  5695. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
  5696. vars->link_status |=
  5697. LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
  5698. if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
  5699. vars->link_status |=
  5700. LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
  5701. if (USES_WARPCORE(bp)) {
  5702. if (link_10g) {
  5703. if (bnx2x_xmac_enable(params, vars, 0) ==
  5704. -ESRCH) {
  5705. DP(NETIF_MSG_LINK, "Found errors on XMAC\n");
  5706. vars->link_up = 0;
  5707. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5708. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5709. }
  5710. } else
  5711. bnx2x_umac_enable(params, vars, 0);
  5712. bnx2x_set_led(params, vars,
  5713. LED_MODE_OPER, vars->line_speed);
  5714. }
  5715. if ((CHIP_IS_E1x(bp) ||
  5716. CHIP_IS_E2(bp))) {
  5717. if (link_10g) {
  5718. if (bnx2x_bmac_enable(params, vars, 0) ==
  5719. -ESRCH) {
  5720. DP(NETIF_MSG_LINK, "Found errors on BMAC\n");
  5721. vars->link_up = 0;
  5722. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  5723. vars->link_status &= ~LINK_STATUS_LINK_UP;
  5724. }
  5725. bnx2x_set_led(params, vars,
  5726. LED_MODE_OPER, SPEED_10000);
  5727. } else {
  5728. rc = bnx2x_emac_program(params, vars);
  5729. bnx2x_emac_enable(params, vars, 0);
  5730. /* AN complete? */
  5731. if ((vars->link_status &
  5732. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  5733. && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
  5734. SINGLE_MEDIA_DIRECT(params))
  5735. bnx2x_set_gmii_tx_driver(params);
  5736. }
  5737. }
  5738. /* PBF - link up */
  5739. if (CHIP_IS_E1x(bp))
  5740. rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
  5741. vars->line_speed);
  5742. /* disable drain */
  5743. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
  5744. /* update shared memory */
  5745. bnx2x_update_mng(params, vars->link_status);
  5746. /* Check remote fault */
  5747. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  5748. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  5749. bnx2x_check_half_open_conn(params, vars, 0);
  5750. break;
  5751. }
  5752. }
  5753. msleep(20);
  5754. return rc;
  5755. }
  5756. /* The bnx2x_link_update function should be called upon link
  5757. * interrupt.
  5758. * Link is considered up as follows:
  5759. * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
  5760. * to be up
  5761. * - SINGLE_MEDIA - The link between the 577xx and the external
  5762. * phy (XGXS) need to up as well as the external link of the
  5763. * phy (PHY_EXT1)
  5764. * - DUAL_MEDIA - The link between the 577xx and the first
  5765. * external phy needs to be up, and at least one of the 2
  5766. * external phy link must be up.
  5767. */
  5768. int bnx2x_link_update(struct link_params *params, struct link_vars *vars)
  5769. {
  5770. struct bnx2x *bp = params->bp;
  5771. struct link_vars phy_vars[MAX_PHYS];
  5772. u8 port = params->port;
  5773. u8 link_10g_plus, phy_index;
  5774. u8 ext_phy_link_up = 0, cur_link_up;
  5775. int rc = 0;
  5776. u8 is_mi_int = 0;
  5777. u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
  5778. u8 active_external_phy = INT_PHY;
  5779. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  5780. for (phy_index = INT_PHY; phy_index < params->num_phys;
  5781. phy_index++) {
  5782. phy_vars[phy_index].flow_ctrl = 0;
  5783. phy_vars[phy_index].link_status = 0;
  5784. phy_vars[phy_index].line_speed = 0;
  5785. phy_vars[phy_index].duplex = DUPLEX_FULL;
  5786. phy_vars[phy_index].phy_link_up = 0;
  5787. phy_vars[phy_index].link_up = 0;
  5788. phy_vars[phy_index].fault_detected = 0;
  5789. }
  5790. if (USES_WARPCORE(bp))
  5791. bnx2x_set_aer_mmd(params, &params->phy[INT_PHY]);
  5792. DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
  5793. port, (vars->phy_flags & PHY_XGXS_FLAG),
  5794. REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
  5795. is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
  5796. port*0x18) > 0);
  5797. DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
  5798. REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
  5799. is_mi_int,
  5800. REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
  5801. DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
  5802. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
  5803. REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
  5804. /* disable emac */
  5805. if (!CHIP_IS_E3(bp))
  5806. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  5807. /* Step 1:
  5808. * Check external link change only for external phys, and apply
  5809. * priority selection between them in case the link on both phys
  5810. * is up. Note that instead of the common vars, a temporary
  5811. * vars argument is used since each phy may have different link/
  5812. * speed/duplex result
  5813. */
  5814. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5815. phy_index++) {
  5816. struct bnx2x_phy *phy = &params->phy[phy_index];
  5817. if (!phy->read_status)
  5818. continue;
  5819. /* Read link status and params of this ext phy */
  5820. cur_link_up = phy->read_status(phy, params,
  5821. &phy_vars[phy_index]);
  5822. if (cur_link_up) {
  5823. DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
  5824. phy_index);
  5825. } else {
  5826. DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
  5827. phy_index);
  5828. continue;
  5829. }
  5830. if (!ext_phy_link_up) {
  5831. ext_phy_link_up = 1;
  5832. active_external_phy = phy_index;
  5833. } else {
  5834. switch (bnx2x_phy_selection(params)) {
  5835. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  5836. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  5837. /* In this option, the first PHY makes sure to pass the
  5838. * traffic through itself only.
  5839. * Its not clear how to reset the link on the second phy
  5840. */
  5841. active_external_phy = EXT_PHY1;
  5842. break;
  5843. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  5844. /* In this option, the first PHY makes sure to pass the
  5845. * traffic through the second PHY.
  5846. */
  5847. active_external_phy = EXT_PHY2;
  5848. break;
  5849. default:
  5850. /* Link indication on both PHYs with the following cases
  5851. * is invalid:
  5852. * - FIRST_PHY means that second phy wasn't initialized,
  5853. * hence its link is expected to be down
  5854. * - SECOND_PHY means that first phy should not be able
  5855. * to link up by itself (using configuration)
  5856. * - DEFAULT should be overriden during initialiazation
  5857. */
  5858. DP(NETIF_MSG_LINK, "Invalid link indication"
  5859. "mpc=0x%x. DISABLING LINK !!!\n",
  5860. params->multi_phy_config);
  5861. ext_phy_link_up = 0;
  5862. break;
  5863. }
  5864. }
  5865. }
  5866. prev_line_speed = vars->line_speed;
  5867. /* Step 2:
  5868. * Read the status of the internal phy. In case of
  5869. * DIRECT_SINGLE_MEDIA board, this link is the external link,
  5870. * otherwise this is the link between the 577xx and the first
  5871. * external phy
  5872. */
  5873. if (params->phy[INT_PHY].read_status)
  5874. params->phy[INT_PHY].read_status(
  5875. &params->phy[INT_PHY],
  5876. params, vars);
  5877. /* The INT_PHY flow control reside in the vars. This include the
  5878. * case where the speed or flow control are not set to AUTO.
  5879. * Otherwise, the active external phy flow control result is set
  5880. * to the vars. The ext_phy_line_speed is needed to check if the
  5881. * speed is different between the internal phy and external phy.
  5882. * This case may be result of intermediate link speed change.
  5883. */
  5884. if (active_external_phy > INT_PHY) {
  5885. vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
  5886. /* Link speed is taken from the XGXS. AN and FC result from
  5887. * the external phy.
  5888. */
  5889. vars->link_status |= phy_vars[active_external_phy].link_status;
  5890. /* if active_external_phy is first PHY and link is up - disable
  5891. * disable TX on second external PHY
  5892. */
  5893. if (active_external_phy == EXT_PHY1) {
  5894. if (params->phy[EXT_PHY2].phy_specific_func) {
  5895. DP(NETIF_MSG_LINK,
  5896. "Disabling TX on EXT_PHY2\n");
  5897. params->phy[EXT_PHY2].phy_specific_func(
  5898. &params->phy[EXT_PHY2],
  5899. params, DISABLE_TX);
  5900. }
  5901. }
  5902. ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
  5903. vars->duplex = phy_vars[active_external_phy].duplex;
  5904. if (params->phy[active_external_phy].supported &
  5905. SUPPORTED_FIBRE)
  5906. vars->link_status |= LINK_STATUS_SERDES_LINK;
  5907. else
  5908. vars->link_status &= ~LINK_STATUS_SERDES_LINK;
  5909. DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
  5910. active_external_phy);
  5911. }
  5912. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  5913. phy_index++) {
  5914. if (params->phy[phy_index].flags &
  5915. FLAGS_REARM_LATCH_SIGNAL) {
  5916. bnx2x_rearm_latch_signal(bp, port,
  5917. phy_index ==
  5918. active_external_phy);
  5919. break;
  5920. }
  5921. }
  5922. DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
  5923. " ext_phy_line_speed = %d\n", vars->flow_ctrl,
  5924. vars->link_status, ext_phy_line_speed);
  5925. /* Upon link speed change set the NIG into drain mode. Comes to
  5926. * deals with possible FIFO glitch due to clk change when speed
  5927. * is decreased without link down indicator
  5928. */
  5929. if (vars->phy_link_up) {
  5930. if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
  5931. (ext_phy_line_speed != vars->line_speed)) {
  5932. DP(NETIF_MSG_LINK, "Internal link speed %d is"
  5933. " different than the external"
  5934. " link speed %d\n", vars->line_speed,
  5935. ext_phy_line_speed);
  5936. vars->phy_link_up = 0;
  5937. } else if (prev_line_speed != vars->line_speed) {
  5938. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4,
  5939. 0);
  5940. msleep(1);
  5941. }
  5942. }
  5943. /* anything 10 and over uses the bmac */
  5944. link_10g_plus = (vars->line_speed >= SPEED_10000);
  5945. bnx2x_link_int_ack(params, vars, link_10g_plus);
  5946. /* In case external phy link is up, and internal link is down
  5947. * (not initialized yet probably after link initialization, it
  5948. * needs to be initialized.
  5949. * Note that after link down-up as result of cable plug, the xgxs
  5950. * link would probably become up again without the need
  5951. * initialize it
  5952. */
  5953. if (!(SINGLE_MEDIA_DIRECT(params))) {
  5954. DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
  5955. " init_preceding = %d\n", ext_phy_link_up,
  5956. vars->phy_link_up,
  5957. params->phy[EXT_PHY1].flags &
  5958. FLAGS_INIT_XGXS_FIRST);
  5959. if (!(params->phy[EXT_PHY1].flags &
  5960. FLAGS_INIT_XGXS_FIRST)
  5961. && ext_phy_link_up && !vars->phy_link_up) {
  5962. vars->line_speed = ext_phy_line_speed;
  5963. if (vars->line_speed < SPEED_1000)
  5964. vars->phy_flags |= PHY_SGMII_FLAG;
  5965. else
  5966. vars->phy_flags &= ~PHY_SGMII_FLAG;
  5967. if (params->phy[INT_PHY].config_init)
  5968. params->phy[INT_PHY].config_init(
  5969. &params->phy[INT_PHY], params,
  5970. vars);
  5971. }
  5972. }
  5973. /* Link is up only if both local phy and external phy (in case of
  5974. * non-direct board) are up and no fault detected on active PHY.
  5975. */
  5976. vars->link_up = (vars->phy_link_up &&
  5977. (ext_phy_link_up ||
  5978. SINGLE_MEDIA_DIRECT(params)) &&
  5979. (phy_vars[active_external_phy].fault_detected == 0));
  5980. /* Update the PFC configuration in case it was changed */
  5981. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  5982. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  5983. else
  5984. vars->link_status &= ~LINK_STATUS_PFC_ENABLED;
  5985. if (vars->link_up)
  5986. rc = bnx2x_update_link_up(params, vars, link_10g_plus);
  5987. else
  5988. rc = bnx2x_update_link_down(params, vars);
  5989. /* Update MCP link status was changed */
  5990. if (params->feature_config_flags & FEATURE_CONFIG_BC_SUPPORTS_AFEX)
  5991. bnx2x_fw_command(bp, DRV_MSG_CODE_LINK_STATUS_CHANGED, 0);
  5992. return rc;
  5993. }
  5994. /*****************************************************************************/
  5995. /* External Phy section */
  5996. /*****************************************************************************/
  5997. void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
  5998. {
  5999. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6000. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  6001. msleep(1);
  6002. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6003. MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
  6004. }
  6005. static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
  6006. u32 spirom_ver, u32 ver_addr)
  6007. {
  6008. DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
  6009. (u16)(spirom_ver>>16), (u16)spirom_ver, port);
  6010. if (ver_addr)
  6011. REG_WR(bp, ver_addr, spirom_ver);
  6012. }
  6013. static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
  6014. struct bnx2x_phy *phy,
  6015. u8 port)
  6016. {
  6017. u16 fw_ver1, fw_ver2;
  6018. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6019. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6020. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  6021. MDIO_PMA_REG_ROM_VER2, &fw_ver2);
  6022. bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
  6023. phy->ver_addr);
  6024. }
  6025. static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
  6026. struct bnx2x_phy *phy,
  6027. struct link_vars *vars)
  6028. {
  6029. u16 val;
  6030. bnx2x_cl45_read(bp, phy,
  6031. MDIO_AN_DEVAD,
  6032. MDIO_AN_REG_STATUS, &val);
  6033. bnx2x_cl45_read(bp, phy,
  6034. MDIO_AN_DEVAD,
  6035. MDIO_AN_REG_STATUS, &val);
  6036. if (val & (1<<5))
  6037. vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  6038. if ((val & (1<<0)) == 0)
  6039. vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
  6040. }
  6041. /******************************************************************/
  6042. /* common BCM8073/BCM8727 PHY SECTION */
  6043. /******************************************************************/
  6044. static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
  6045. struct link_params *params,
  6046. struct link_vars *vars)
  6047. {
  6048. struct bnx2x *bp = params->bp;
  6049. if (phy->req_line_speed == SPEED_10 ||
  6050. phy->req_line_speed == SPEED_100) {
  6051. vars->flow_ctrl = phy->req_flow_ctrl;
  6052. return;
  6053. }
  6054. if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
  6055. (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
  6056. u16 pause_result;
  6057. u16 ld_pause; /* local */
  6058. u16 lp_pause; /* link partner */
  6059. bnx2x_cl45_read(bp, phy,
  6060. MDIO_AN_DEVAD,
  6061. MDIO_AN_REG_CL37_FC_LD, &ld_pause);
  6062. bnx2x_cl45_read(bp, phy,
  6063. MDIO_AN_DEVAD,
  6064. MDIO_AN_REG_CL37_FC_LP, &lp_pause);
  6065. pause_result = (ld_pause &
  6066. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
  6067. pause_result |= (lp_pause &
  6068. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
  6069. bnx2x_pause_resolve(vars, pause_result);
  6070. DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
  6071. pause_result);
  6072. }
  6073. }
  6074. static int bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
  6075. struct bnx2x_phy *phy,
  6076. u8 port)
  6077. {
  6078. u32 count = 0;
  6079. u16 fw_ver1, fw_msgout;
  6080. int rc = 0;
  6081. /* Boot port from external ROM */
  6082. /* EDC grst */
  6083. bnx2x_cl45_write(bp, phy,
  6084. MDIO_PMA_DEVAD,
  6085. MDIO_PMA_REG_GEN_CTRL,
  6086. 0x0001);
  6087. /* ucode reboot and rst */
  6088. bnx2x_cl45_write(bp, phy,
  6089. MDIO_PMA_DEVAD,
  6090. MDIO_PMA_REG_GEN_CTRL,
  6091. 0x008c);
  6092. bnx2x_cl45_write(bp, phy,
  6093. MDIO_PMA_DEVAD,
  6094. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  6095. /* Reset internal microprocessor */
  6096. bnx2x_cl45_write(bp, phy,
  6097. MDIO_PMA_DEVAD,
  6098. MDIO_PMA_REG_GEN_CTRL,
  6099. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  6100. /* Release srst bit */
  6101. bnx2x_cl45_write(bp, phy,
  6102. MDIO_PMA_DEVAD,
  6103. MDIO_PMA_REG_GEN_CTRL,
  6104. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  6105. /* Delay 100ms per the PHY specifications */
  6106. msleep(100);
  6107. /* 8073 sometimes taking longer to download */
  6108. do {
  6109. count++;
  6110. if (count > 300) {
  6111. DP(NETIF_MSG_LINK,
  6112. "bnx2x_8073_8727_external_rom_boot port %x:"
  6113. "Download failed. fw version = 0x%x\n",
  6114. port, fw_ver1);
  6115. rc = -EINVAL;
  6116. break;
  6117. }
  6118. bnx2x_cl45_read(bp, phy,
  6119. MDIO_PMA_DEVAD,
  6120. MDIO_PMA_REG_ROM_VER1, &fw_ver1);
  6121. bnx2x_cl45_read(bp, phy,
  6122. MDIO_PMA_DEVAD,
  6123. MDIO_PMA_REG_M8051_MSGOUT_REG, &fw_msgout);
  6124. msleep(1);
  6125. } while (fw_ver1 == 0 || fw_ver1 == 0x4321 ||
  6126. ((fw_msgout & 0xff) != 0x03 && (phy->type ==
  6127. PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)));
  6128. /* Clear ser_boot_ctl bit */
  6129. bnx2x_cl45_write(bp, phy,
  6130. MDIO_PMA_DEVAD,
  6131. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  6132. bnx2x_save_bcm_spirom_ver(bp, phy, port);
  6133. DP(NETIF_MSG_LINK,
  6134. "bnx2x_8073_8727_external_rom_boot port %x:"
  6135. "Download complete. fw version = 0x%x\n",
  6136. port, fw_ver1);
  6137. return rc;
  6138. }
  6139. /******************************************************************/
  6140. /* BCM8073 PHY SECTION */
  6141. /******************************************************************/
  6142. static int bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
  6143. {
  6144. /* This is only required for 8073A1, version 102 only */
  6145. u16 val;
  6146. /* Read 8073 HW revision*/
  6147. bnx2x_cl45_read(bp, phy,
  6148. MDIO_PMA_DEVAD,
  6149. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6150. if (val != 1) {
  6151. /* No need to workaround in 8073 A1 */
  6152. return 0;
  6153. }
  6154. bnx2x_cl45_read(bp, phy,
  6155. MDIO_PMA_DEVAD,
  6156. MDIO_PMA_REG_ROM_VER2, &val);
  6157. /* SNR should be applied only for version 0x102 */
  6158. if (val != 0x102)
  6159. return 0;
  6160. return 1;
  6161. }
  6162. static int bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
  6163. {
  6164. u16 val, cnt, cnt1 ;
  6165. bnx2x_cl45_read(bp, phy,
  6166. MDIO_PMA_DEVAD,
  6167. MDIO_PMA_REG_8073_CHIP_REV, &val);
  6168. if (val > 0) {
  6169. /* No need to workaround in 8073 A1 */
  6170. return 0;
  6171. }
  6172. /* XAUI workaround in 8073 A0: */
  6173. /* After loading the boot ROM and restarting Autoneg, poll
  6174. * Dev1, Reg $C820:
  6175. */
  6176. for (cnt = 0; cnt < 1000; cnt++) {
  6177. bnx2x_cl45_read(bp, phy,
  6178. MDIO_PMA_DEVAD,
  6179. MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6180. &val);
  6181. /* If bit [14] = 0 or bit [13] = 0, continue on with
  6182. * system initialization (XAUI work-around not required, as
  6183. * these bits indicate 2.5G or 1G link up).
  6184. */
  6185. if (!(val & (1<<14)) || !(val & (1<<13))) {
  6186. DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
  6187. return 0;
  6188. } else if (!(val & (1<<15))) {
  6189. DP(NETIF_MSG_LINK, "bit 15 went off\n");
  6190. /* If bit 15 is 0, then poll Dev1, Reg $C841 until it's
  6191. * MSB (bit15) goes to 1 (indicating that the XAUI
  6192. * workaround has completed), then continue on with
  6193. * system initialization.
  6194. */
  6195. for (cnt1 = 0; cnt1 < 1000; cnt1++) {
  6196. bnx2x_cl45_read(bp, phy,
  6197. MDIO_PMA_DEVAD,
  6198. MDIO_PMA_REG_8073_XAUI_WA, &val);
  6199. if (val & (1<<15)) {
  6200. DP(NETIF_MSG_LINK,
  6201. "XAUI workaround has completed\n");
  6202. return 0;
  6203. }
  6204. msleep(3);
  6205. }
  6206. break;
  6207. }
  6208. msleep(3);
  6209. }
  6210. DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
  6211. return -EINVAL;
  6212. }
  6213. static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
  6214. {
  6215. /* Force KR or KX */
  6216. bnx2x_cl45_write(bp, phy,
  6217. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  6218. bnx2x_cl45_write(bp, phy,
  6219. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
  6220. bnx2x_cl45_write(bp, phy,
  6221. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
  6222. bnx2x_cl45_write(bp, phy,
  6223. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  6224. }
  6225. static void bnx2x_8073_set_pause_cl37(struct link_params *params,
  6226. struct bnx2x_phy *phy,
  6227. struct link_vars *vars)
  6228. {
  6229. u16 cl37_val;
  6230. struct bnx2x *bp = params->bp;
  6231. bnx2x_cl45_read(bp, phy,
  6232. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
  6233. cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6234. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  6235. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  6236. if ((vars->ieee_fc &
  6237. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
  6238. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
  6239. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
  6240. }
  6241. if ((vars->ieee_fc &
  6242. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  6243. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
  6244. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
  6245. }
  6246. if ((vars->ieee_fc &
  6247. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  6248. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
  6249. cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
  6250. }
  6251. DP(NETIF_MSG_LINK,
  6252. "Ext phy AN advertize cl37 0x%x\n", cl37_val);
  6253. bnx2x_cl45_write(bp, phy,
  6254. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
  6255. msleep(500);
  6256. }
  6257. static int bnx2x_8073_config_init(struct bnx2x_phy *phy,
  6258. struct link_params *params,
  6259. struct link_vars *vars)
  6260. {
  6261. struct bnx2x *bp = params->bp;
  6262. u16 val = 0, tmp1;
  6263. u8 gpio_port;
  6264. DP(NETIF_MSG_LINK, "Init 8073\n");
  6265. if (CHIP_IS_E2(bp))
  6266. gpio_port = BP_PATH(bp);
  6267. else
  6268. gpio_port = params->port;
  6269. /* Restore normal power mode*/
  6270. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6271. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6272. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  6273. MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
  6274. /* enable LASI */
  6275. bnx2x_cl45_write(bp, phy,
  6276. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL, (1<<2));
  6277. bnx2x_cl45_write(bp, phy,
  6278. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x0004);
  6279. bnx2x_8073_set_pause_cl37(params, phy, vars);
  6280. bnx2x_cl45_read(bp, phy,
  6281. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  6282. bnx2x_cl45_read(bp, phy,
  6283. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  6284. DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
  6285. /* Swap polarity if required - Must be done only in non-1G mode */
  6286. if (params->lane_config & PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6287. /* Configure the 8073 to swap _P and _N of the KR lines */
  6288. DP(NETIF_MSG_LINK, "Swapping polarity for the 8073\n");
  6289. /* 10G Rx/Tx and 1G Tx signal polarity swap */
  6290. bnx2x_cl45_read(bp, phy,
  6291. MDIO_PMA_DEVAD,
  6292. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL, &val);
  6293. bnx2x_cl45_write(bp, phy,
  6294. MDIO_PMA_DEVAD,
  6295. MDIO_PMA_REG_8073_OPT_DIGITAL_CTRL,
  6296. (val | (3<<9)));
  6297. }
  6298. /* Enable CL37 BAM */
  6299. if (REG_RD(bp, params->shmem_base +
  6300. offsetof(struct shmem_region, dev_info.
  6301. port_hw_config[params->port].default_cfg)) &
  6302. PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
  6303. bnx2x_cl45_read(bp, phy,
  6304. MDIO_AN_DEVAD,
  6305. MDIO_AN_REG_8073_BAM, &val);
  6306. bnx2x_cl45_write(bp, phy,
  6307. MDIO_AN_DEVAD,
  6308. MDIO_AN_REG_8073_BAM, val | 1);
  6309. DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
  6310. }
  6311. if (params->loopback_mode == LOOPBACK_EXT) {
  6312. bnx2x_807x_force_10G(bp, phy);
  6313. DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
  6314. return 0;
  6315. } else {
  6316. bnx2x_cl45_write(bp, phy,
  6317. MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
  6318. }
  6319. if (phy->req_line_speed != SPEED_AUTO_NEG) {
  6320. if (phy->req_line_speed == SPEED_10000) {
  6321. val = (1<<7);
  6322. } else if (phy->req_line_speed == SPEED_2500) {
  6323. val = (1<<5);
  6324. /* Note that 2.5G works only when used with 1G
  6325. * advertisement
  6326. */
  6327. } else
  6328. val = (1<<5);
  6329. } else {
  6330. val = 0;
  6331. if (phy->speed_cap_mask &
  6332. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
  6333. val |= (1<<7);
  6334. /* Note that 2.5G works only when used with 1G advertisement */
  6335. if (phy->speed_cap_mask &
  6336. (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
  6337. PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
  6338. val |= (1<<5);
  6339. DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
  6340. }
  6341. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
  6342. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
  6343. if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
  6344. (phy->req_line_speed == SPEED_AUTO_NEG)) ||
  6345. (phy->req_line_speed == SPEED_2500)) {
  6346. u16 phy_ver;
  6347. /* Allow 2.5G for A1 and above */
  6348. bnx2x_cl45_read(bp, phy,
  6349. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
  6350. &phy_ver);
  6351. DP(NETIF_MSG_LINK, "Add 2.5G\n");
  6352. if (phy_ver > 0)
  6353. tmp1 |= 1;
  6354. else
  6355. tmp1 &= 0xfffe;
  6356. } else {
  6357. DP(NETIF_MSG_LINK, "Disable 2.5G\n");
  6358. tmp1 &= 0xfffe;
  6359. }
  6360. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
  6361. /* Add support for CL37 (passive mode) II */
  6362. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
  6363. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
  6364. (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
  6365. 0x20 : 0x40)));
  6366. /* Add support for CL37 (passive mode) III */
  6367. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  6368. /* The SNR will improve about 2db by changing BW and FEE main
  6369. * tap. Rest commands are executed after link is up
  6370. * Change FFE main cursor to 5 in EDC register
  6371. */
  6372. if (bnx2x_8073_is_snr_needed(bp, phy))
  6373. bnx2x_cl45_write(bp, phy,
  6374. MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
  6375. 0xFB0C);
  6376. /* Enable FEC (Forware Error Correction) Request in the AN */
  6377. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
  6378. tmp1 |= (1<<15);
  6379. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
  6380. bnx2x_ext_phy_set_pause(params, phy, vars);
  6381. /* Restart autoneg */
  6382. msleep(500);
  6383. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  6384. DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
  6385. ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
  6386. return 0;
  6387. }
  6388. static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
  6389. struct link_params *params,
  6390. struct link_vars *vars)
  6391. {
  6392. struct bnx2x *bp = params->bp;
  6393. u8 link_up = 0;
  6394. u16 val1, val2;
  6395. u16 link_status = 0;
  6396. u16 an1000_status = 0;
  6397. bnx2x_cl45_read(bp, phy,
  6398. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  6399. DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
  6400. /* clear the interrupt LASI status register */
  6401. bnx2x_cl45_read(bp, phy,
  6402. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6403. bnx2x_cl45_read(bp, phy,
  6404. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
  6405. DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
  6406. /* Clear MSG-OUT */
  6407. bnx2x_cl45_read(bp, phy,
  6408. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  6409. /* Check the LASI */
  6410. bnx2x_cl45_read(bp, phy,
  6411. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  6412. DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
  6413. /* Check the link status */
  6414. bnx2x_cl45_read(bp, phy,
  6415. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
  6416. DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
  6417. bnx2x_cl45_read(bp, phy,
  6418. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6419. bnx2x_cl45_read(bp, phy,
  6420. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6421. link_up = ((val1 & 4) == 4);
  6422. DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
  6423. if (link_up &&
  6424. ((phy->req_line_speed != SPEED_10000))) {
  6425. if (bnx2x_8073_xaui_wa(bp, phy) != 0)
  6426. return 0;
  6427. }
  6428. bnx2x_cl45_read(bp, phy,
  6429. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6430. bnx2x_cl45_read(bp, phy,
  6431. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
  6432. /* Check the link status on 1.1.2 */
  6433. bnx2x_cl45_read(bp, phy,
  6434. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  6435. bnx2x_cl45_read(bp, phy,
  6436. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  6437. DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
  6438. "an_link_status=0x%x\n", val2, val1, an1000_status);
  6439. link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
  6440. if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
  6441. /* The SNR will improve about 2dbby changing the BW and FEE main
  6442. * tap. The 1st write to change FFE main tap is set before
  6443. * restart AN. Change PLL Bandwidth in EDC register
  6444. */
  6445. bnx2x_cl45_write(bp, phy,
  6446. MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
  6447. 0x26BC);
  6448. /* Change CDR Bandwidth in EDC register */
  6449. bnx2x_cl45_write(bp, phy,
  6450. MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
  6451. 0x0333);
  6452. }
  6453. bnx2x_cl45_read(bp, phy,
  6454. MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
  6455. &link_status);
  6456. /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
  6457. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  6458. link_up = 1;
  6459. vars->line_speed = SPEED_10000;
  6460. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  6461. params->port);
  6462. } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
  6463. link_up = 1;
  6464. vars->line_speed = SPEED_2500;
  6465. DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
  6466. params->port);
  6467. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  6468. link_up = 1;
  6469. vars->line_speed = SPEED_1000;
  6470. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  6471. params->port);
  6472. } else {
  6473. link_up = 0;
  6474. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  6475. params->port);
  6476. }
  6477. if (link_up) {
  6478. /* Swap polarity if required */
  6479. if (params->lane_config &
  6480. PORT_HW_CFG_SWAP_PHY_POLARITY_ENABLED) {
  6481. /* Configure the 8073 to swap P and N of the KR lines */
  6482. bnx2x_cl45_read(bp, phy,
  6483. MDIO_XS_DEVAD,
  6484. MDIO_XS_REG_8073_RX_CTRL_PCIE, &val1);
  6485. /* Set bit 3 to invert Rx in 1G mode and clear this bit
  6486. * when it`s in 10G mode.
  6487. */
  6488. if (vars->line_speed == SPEED_1000) {
  6489. DP(NETIF_MSG_LINK, "Swapping 1G polarity for"
  6490. "the 8073\n");
  6491. val1 |= (1<<3);
  6492. } else
  6493. val1 &= ~(1<<3);
  6494. bnx2x_cl45_write(bp, phy,
  6495. MDIO_XS_DEVAD,
  6496. MDIO_XS_REG_8073_RX_CTRL_PCIE,
  6497. val1);
  6498. }
  6499. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  6500. bnx2x_8073_resolve_fc(phy, params, vars);
  6501. vars->duplex = DUPLEX_FULL;
  6502. }
  6503. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  6504. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  6505. MDIO_AN_REG_LP_AUTO_NEG2, &val1);
  6506. if (val1 & (1<<5))
  6507. vars->link_status |=
  6508. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  6509. if (val1 & (1<<7))
  6510. vars->link_status |=
  6511. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  6512. }
  6513. return link_up;
  6514. }
  6515. static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
  6516. struct link_params *params)
  6517. {
  6518. struct bnx2x *bp = params->bp;
  6519. u8 gpio_port;
  6520. if (CHIP_IS_E2(bp))
  6521. gpio_port = BP_PATH(bp);
  6522. else
  6523. gpio_port = params->port;
  6524. DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
  6525. gpio_port);
  6526. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6527. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  6528. gpio_port);
  6529. }
  6530. /******************************************************************/
  6531. /* BCM8705 PHY SECTION */
  6532. /******************************************************************/
  6533. static int bnx2x_8705_config_init(struct bnx2x_phy *phy,
  6534. struct link_params *params,
  6535. struct link_vars *vars)
  6536. {
  6537. struct bnx2x *bp = params->bp;
  6538. DP(NETIF_MSG_LINK, "init 8705\n");
  6539. /* Restore normal power mode*/
  6540. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  6541. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  6542. /* HW reset */
  6543. bnx2x_ext_phy_hw_reset(bp, params->port);
  6544. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  6545. bnx2x_wait_reset_complete(bp, phy, params);
  6546. bnx2x_cl45_write(bp, phy,
  6547. MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
  6548. bnx2x_cl45_write(bp, phy,
  6549. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
  6550. bnx2x_cl45_write(bp, phy,
  6551. MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
  6552. bnx2x_cl45_write(bp, phy,
  6553. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
  6554. /* BCM8705 doesn't have microcode, hence the 0 */
  6555. bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
  6556. return 0;
  6557. }
  6558. static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
  6559. struct link_params *params,
  6560. struct link_vars *vars)
  6561. {
  6562. u8 link_up = 0;
  6563. u16 val1, rx_sd;
  6564. struct bnx2x *bp = params->bp;
  6565. DP(NETIF_MSG_LINK, "read status 8705\n");
  6566. bnx2x_cl45_read(bp, phy,
  6567. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6568. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6569. bnx2x_cl45_read(bp, phy,
  6570. MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
  6571. DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
  6572. bnx2x_cl45_read(bp, phy,
  6573. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  6574. bnx2x_cl45_read(bp, phy,
  6575. MDIO_PMA_DEVAD, 0xc809, &val1);
  6576. bnx2x_cl45_read(bp, phy,
  6577. MDIO_PMA_DEVAD, 0xc809, &val1);
  6578. DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
  6579. link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
  6580. if (link_up) {
  6581. vars->line_speed = SPEED_10000;
  6582. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  6583. }
  6584. return link_up;
  6585. }
  6586. /******************************************************************/
  6587. /* SFP+ module Section */
  6588. /******************************************************************/
  6589. static void bnx2x_set_disable_pmd_transmit(struct link_params *params,
  6590. struct bnx2x_phy *phy,
  6591. u8 pmd_dis)
  6592. {
  6593. struct bnx2x *bp = params->bp;
  6594. /* Disable transmitter only for bootcodes which can enable it afterwards
  6595. * (for D3 link)
  6596. */
  6597. if (pmd_dis) {
  6598. if (params->feature_config_flags &
  6599. FEATURE_CONFIG_BC_SUPPORTS_SFP_TX_DISABLED)
  6600. DP(NETIF_MSG_LINK, "Disabling PMD transmitter\n");
  6601. else {
  6602. DP(NETIF_MSG_LINK, "NOT disabling PMD transmitter\n");
  6603. return;
  6604. }
  6605. } else
  6606. DP(NETIF_MSG_LINK, "Enabling PMD transmitter\n");
  6607. bnx2x_cl45_write(bp, phy,
  6608. MDIO_PMA_DEVAD,
  6609. MDIO_PMA_REG_TX_DISABLE, pmd_dis);
  6610. }
  6611. static u8 bnx2x_get_gpio_port(struct link_params *params)
  6612. {
  6613. u8 gpio_port;
  6614. u32 swap_val, swap_override;
  6615. struct bnx2x *bp = params->bp;
  6616. if (CHIP_IS_E2(bp))
  6617. gpio_port = BP_PATH(bp);
  6618. else
  6619. gpio_port = params->port;
  6620. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  6621. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  6622. return gpio_port ^ (swap_val && swap_override);
  6623. }
  6624. static void bnx2x_sfp_e1e2_set_transmitter(struct link_params *params,
  6625. struct bnx2x_phy *phy,
  6626. u8 tx_en)
  6627. {
  6628. u16 val;
  6629. u8 port = params->port;
  6630. struct bnx2x *bp = params->bp;
  6631. u32 tx_en_mode;
  6632. /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
  6633. tx_en_mode = REG_RD(bp, params->shmem_base +
  6634. offsetof(struct shmem_region,
  6635. dev_info.port_hw_config[port].sfp_ctrl)) &
  6636. PORT_HW_CFG_TX_LASER_MASK;
  6637. DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x "
  6638. "mode = %x\n", tx_en, port, tx_en_mode);
  6639. switch (tx_en_mode) {
  6640. case PORT_HW_CFG_TX_LASER_MDIO:
  6641. bnx2x_cl45_read(bp, phy,
  6642. MDIO_PMA_DEVAD,
  6643. MDIO_PMA_REG_PHY_IDENTIFIER,
  6644. &val);
  6645. if (tx_en)
  6646. val &= ~(1<<15);
  6647. else
  6648. val |= (1<<15);
  6649. bnx2x_cl45_write(bp, phy,
  6650. MDIO_PMA_DEVAD,
  6651. MDIO_PMA_REG_PHY_IDENTIFIER,
  6652. val);
  6653. break;
  6654. case PORT_HW_CFG_TX_LASER_GPIO0:
  6655. case PORT_HW_CFG_TX_LASER_GPIO1:
  6656. case PORT_HW_CFG_TX_LASER_GPIO2:
  6657. case PORT_HW_CFG_TX_LASER_GPIO3:
  6658. {
  6659. u16 gpio_pin;
  6660. u8 gpio_port, gpio_mode;
  6661. if (tx_en)
  6662. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_HIGH;
  6663. else
  6664. gpio_mode = MISC_REGISTERS_GPIO_OUTPUT_LOW;
  6665. gpio_pin = tx_en_mode - PORT_HW_CFG_TX_LASER_GPIO0;
  6666. gpio_port = bnx2x_get_gpio_port(params);
  6667. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  6668. break;
  6669. }
  6670. default:
  6671. DP(NETIF_MSG_LINK, "Invalid TX_LASER_MDIO 0x%x\n", tx_en_mode);
  6672. break;
  6673. }
  6674. }
  6675. static void bnx2x_sfp_set_transmitter(struct link_params *params,
  6676. struct bnx2x_phy *phy,
  6677. u8 tx_en)
  6678. {
  6679. struct bnx2x *bp = params->bp;
  6680. DP(NETIF_MSG_LINK, "Setting SFP+ transmitter to %d\n", tx_en);
  6681. if (CHIP_IS_E3(bp))
  6682. bnx2x_sfp_e3_set_transmitter(params, phy, tx_en);
  6683. else
  6684. bnx2x_sfp_e1e2_set_transmitter(params, phy, tx_en);
  6685. }
  6686. static int bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6687. struct link_params *params,
  6688. u16 addr, u8 byte_cnt, u8 *o_buf)
  6689. {
  6690. struct bnx2x *bp = params->bp;
  6691. u16 val = 0;
  6692. u16 i;
  6693. if (byte_cnt > 16) {
  6694. DP(NETIF_MSG_LINK,
  6695. "Reading from eeprom is limited to 0xf\n");
  6696. return -EINVAL;
  6697. }
  6698. /* Set the read command byte count */
  6699. bnx2x_cl45_write(bp, phy,
  6700. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6701. (byte_cnt | 0xa000));
  6702. /* Set the read command address */
  6703. bnx2x_cl45_write(bp, phy,
  6704. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6705. addr);
  6706. /* Activate read command */
  6707. bnx2x_cl45_write(bp, phy,
  6708. MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6709. 0x2c0f);
  6710. /* Wait up to 500us for command complete status */
  6711. for (i = 0; i < 100; i++) {
  6712. bnx2x_cl45_read(bp, phy,
  6713. MDIO_PMA_DEVAD,
  6714. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6715. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6716. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6717. break;
  6718. udelay(5);
  6719. }
  6720. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6721. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6722. DP(NETIF_MSG_LINK,
  6723. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6724. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6725. return -EINVAL;
  6726. }
  6727. /* Read the buffer */
  6728. for (i = 0; i < byte_cnt; i++) {
  6729. bnx2x_cl45_read(bp, phy,
  6730. MDIO_PMA_DEVAD,
  6731. MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
  6732. o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
  6733. }
  6734. for (i = 0; i < 100; i++) {
  6735. bnx2x_cl45_read(bp, phy,
  6736. MDIO_PMA_DEVAD,
  6737. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6738. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6739. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6740. return 0;
  6741. msleep(1);
  6742. }
  6743. return -EINVAL;
  6744. }
  6745. static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6746. struct link_params *params,
  6747. u16 addr, u8 byte_cnt,
  6748. u8 *o_buf)
  6749. {
  6750. int rc = 0;
  6751. u8 i, j = 0, cnt = 0;
  6752. u32 data_array[4];
  6753. u16 addr32;
  6754. struct bnx2x *bp = params->bp;
  6755. if (byte_cnt > 16) {
  6756. DP(NETIF_MSG_LINK,
  6757. "Reading from eeprom is limited to 16 bytes\n");
  6758. return -EINVAL;
  6759. }
  6760. /* 4 byte aligned address */
  6761. addr32 = addr & (~0x3);
  6762. do {
  6763. rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt,
  6764. data_array);
  6765. } while ((rc != 0) && (++cnt < I2C_WA_RETRY_CNT));
  6766. if (rc == 0) {
  6767. for (i = (addr - addr32); i < byte_cnt + (addr - addr32); i++) {
  6768. o_buf[j] = *((u8 *)data_array + i);
  6769. j++;
  6770. }
  6771. }
  6772. return rc;
  6773. }
  6774. static int bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6775. struct link_params *params,
  6776. u16 addr, u8 byte_cnt, u8 *o_buf)
  6777. {
  6778. struct bnx2x *bp = params->bp;
  6779. u16 val, i;
  6780. if (byte_cnt > 16) {
  6781. DP(NETIF_MSG_LINK,
  6782. "Reading from eeprom is limited to 0xf\n");
  6783. return -EINVAL;
  6784. }
  6785. /* Need to read from 1.8000 to clear it */
  6786. bnx2x_cl45_read(bp, phy,
  6787. MDIO_PMA_DEVAD,
  6788. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6789. &val);
  6790. /* Set the read command byte count */
  6791. bnx2x_cl45_write(bp, phy,
  6792. MDIO_PMA_DEVAD,
  6793. MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
  6794. ((byte_cnt < 2) ? 2 : byte_cnt));
  6795. /* Set the read command address */
  6796. bnx2x_cl45_write(bp, phy,
  6797. MDIO_PMA_DEVAD,
  6798. MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
  6799. addr);
  6800. /* Set the destination address */
  6801. bnx2x_cl45_write(bp, phy,
  6802. MDIO_PMA_DEVAD,
  6803. 0x8004,
  6804. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
  6805. /* Activate read command */
  6806. bnx2x_cl45_write(bp, phy,
  6807. MDIO_PMA_DEVAD,
  6808. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
  6809. 0x8002);
  6810. /* Wait appropriate time for two-wire command to finish before
  6811. * polling the status register
  6812. */
  6813. msleep(1);
  6814. /* Wait up to 500us for command complete status */
  6815. for (i = 0; i < 100; i++) {
  6816. bnx2x_cl45_read(bp, phy,
  6817. MDIO_PMA_DEVAD,
  6818. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6819. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6820. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
  6821. break;
  6822. udelay(5);
  6823. }
  6824. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
  6825. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
  6826. DP(NETIF_MSG_LINK,
  6827. "Got bad status 0x%x when reading from SFP+ EEPROM\n",
  6828. (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
  6829. return -EFAULT;
  6830. }
  6831. /* Read the buffer */
  6832. for (i = 0; i < byte_cnt; i++) {
  6833. bnx2x_cl45_read(bp, phy,
  6834. MDIO_PMA_DEVAD,
  6835. MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
  6836. o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
  6837. }
  6838. for (i = 0; i < 100; i++) {
  6839. bnx2x_cl45_read(bp, phy,
  6840. MDIO_PMA_DEVAD,
  6841. MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
  6842. if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
  6843. MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
  6844. return 0;
  6845. msleep(1);
  6846. }
  6847. return -EINVAL;
  6848. }
  6849. int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
  6850. struct link_params *params, u16 addr,
  6851. u8 byte_cnt, u8 *o_buf)
  6852. {
  6853. int rc = -EINVAL;
  6854. switch (phy->type) {
  6855. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  6856. rc = bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
  6857. byte_cnt, o_buf);
  6858. break;
  6859. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  6860. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  6861. rc = bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
  6862. byte_cnt, o_buf);
  6863. break;
  6864. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  6865. rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr,
  6866. byte_cnt, o_buf);
  6867. break;
  6868. }
  6869. return rc;
  6870. }
  6871. static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
  6872. struct link_params *params,
  6873. u16 *edc_mode)
  6874. {
  6875. struct bnx2x *bp = params->bp;
  6876. u32 sync_offset = 0, phy_idx, media_types;
  6877. u8 val, check_limiting_mode = 0;
  6878. *edc_mode = EDC_MODE_LIMITING;
  6879. phy->media_type = ETH_PHY_UNSPECIFIED;
  6880. /* First check for copper cable */
  6881. if (bnx2x_read_sfp_module_eeprom(phy,
  6882. params,
  6883. SFP_EEPROM_CON_TYPE_ADDR,
  6884. 1,
  6885. &val) != 0) {
  6886. DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
  6887. return -EINVAL;
  6888. }
  6889. switch (val) {
  6890. case SFP_EEPROM_CON_TYPE_VAL_COPPER:
  6891. {
  6892. u8 copper_module_type;
  6893. phy->media_type = ETH_PHY_DA_TWINAX;
  6894. /* Check if its active cable (includes SFP+ module)
  6895. * of passive cable
  6896. */
  6897. if (bnx2x_read_sfp_module_eeprom(phy,
  6898. params,
  6899. SFP_EEPROM_FC_TX_TECH_ADDR,
  6900. 1,
  6901. &copper_module_type) != 0) {
  6902. DP(NETIF_MSG_LINK,
  6903. "Failed to read copper-cable-type"
  6904. " from SFP+ EEPROM\n");
  6905. return -EINVAL;
  6906. }
  6907. if (copper_module_type &
  6908. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
  6909. DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
  6910. check_limiting_mode = 1;
  6911. } else if (copper_module_type &
  6912. SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
  6913. DP(NETIF_MSG_LINK,
  6914. "Passive Copper cable detected\n");
  6915. *edc_mode =
  6916. EDC_MODE_PASSIVE_DAC;
  6917. } else {
  6918. DP(NETIF_MSG_LINK,
  6919. "Unknown copper-cable-type 0x%x !!!\n",
  6920. copper_module_type);
  6921. return -EINVAL;
  6922. }
  6923. break;
  6924. }
  6925. case SFP_EEPROM_CON_TYPE_VAL_LC:
  6926. phy->media_type = ETH_PHY_SFP_FIBER;
  6927. DP(NETIF_MSG_LINK, "Optic module detected\n");
  6928. check_limiting_mode = 1;
  6929. break;
  6930. default:
  6931. DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
  6932. val);
  6933. return -EINVAL;
  6934. }
  6935. sync_offset = params->shmem_base +
  6936. offsetof(struct shmem_region,
  6937. dev_info.port_hw_config[params->port].media_type);
  6938. media_types = REG_RD(bp, sync_offset);
  6939. /* Update media type for non-PMF sync */
  6940. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  6941. if (&(params->phy[phy_idx]) == phy) {
  6942. media_types &= ~(PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  6943. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6944. media_types |= ((phy->media_type &
  6945. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  6946. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT * phy_idx));
  6947. break;
  6948. }
  6949. }
  6950. REG_WR(bp, sync_offset, media_types);
  6951. if (check_limiting_mode) {
  6952. u8 options[SFP_EEPROM_OPTIONS_SIZE];
  6953. if (bnx2x_read_sfp_module_eeprom(phy,
  6954. params,
  6955. SFP_EEPROM_OPTIONS_ADDR,
  6956. SFP_EEPROM_OPTIONS_SIZE,
  6957. options) != 0) {
  6958. DP(NETIF_MSG_LINK,
  6959. "Failed to read Option field from module EEPROM\n");
  6960. return -EINVAL;
  6961. }
  6962. if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
  6963. *edc_mode = EDC_MODE_LINEAR;
  6964. else
  6965. *edc_mode = EDC_MODE_LIMITING;
  6966. }
  6967. DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
  6968. return 0;
  6969. }
  6970. /* This function read the relevant field from the module (SFP+), and verify it
  6971. * is compliant with this board
  6972. */
  6973. static int bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
  6974. struct link_params *params)
  6975. {
  6976. struct bnx2x *bp = params->bp;
  6977. u32 val, cmd;
  6978. u32 fw_resp, fw_cmd_param;
  6979. char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
  6980. char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
  6981. phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
  6982. val = REG_RD(bp, params->shmem_base +
  6983. offsetof(struct shmem_region, dev_info.
  6984. port_feature_config[params->port].config));
  6985. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  6986. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
  6987. DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
  6988. return 0;
  6989. }
  6990. if (params->feature_config_flags &
  6991. FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
  6992. /* Use specific phy request */
  6993. cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
  6994. } else if (params->feature_config_flags &
  6995. FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
  6996. /* Use first phy request only in case of non-dual media*/
  6997. if (DUAL_MEDIA(params)) {
  6998. DP(NETIF_MSG_LINK,
  6999. "FW does not support OPT MDL verification\n");
  7000. return -EINVAL;
  7001. }
  7002. cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
  7003. } else {
  7004. /* No support in OPT MDL detection */
  7005. DP(NETIF_MSG_LINK,
  7006. "FW does not support OPT MDL verification\n");
  7007. return -EINVAL;
  7008. }
  7009. fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
  7010. fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
  7011. if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
  7012. DP(NETIF_MSG_LINK, "Approved module\n");
  7013. return 0;
  7014. }
  7015. /* format the warning message */
  7016. if (bnx2x_read_sfp_module_eeprom(phy,
  7017. params,
  7018. SFP_EEPROM_VENDOR_NAME_ADDR,
  7019. SFP_EEPROM_VENDOR_NAME_SIZE,
  7020. (u8 *)vendor_name))
  7021. vendor_name[0] = '\0';
  7022. else
  7023. vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
  7024. if (bnx2x_read_sfp_module_eeprom(phy,
  7025. params,
  7026. SFP_EEPROM_PART_NO_ADDR,
  7027. SFP_EEPROM_PART_NO_SIZE,
  7028. (u8 *)vendor_pn))
  7029. vendor_pn[0] = '\0';
  7030. else
  7031. vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
  7032. netdev_err(bp->dev, "Warning: Unqualified SFP+ module detected,"
  7033. " Port %d from %s part number %s\n",
  7034. params->port, vendor_name, vendor_pn);
  7035. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7036. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_WARNING_MSG)
  7037. phy->flags |= FLAGS_SFP_NOT_APPROVED;
  7038. return -EINVAL;
  7039. }
  7040. static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
  7041. struct link_params *params)
  7042. {
  7043. u8 val;
  7044. struct bnx2x *bp = params->bp;
  7045. u16 timeout;
  7046. /* Initialization time after hot-plug may take up to 300ms for
  7047. * some phys type ( e.g. JDSU )
  7048. */
  7049. for (timeout = 0; timeout < 60; timeout++) {
  7050. if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
  7051. == 0) {
  7052. DP(NETIF_MSG_LINK,
  7053. "SFP+ module initialization took %d ms\n",
  7054. timeout * 5);
  7055. return 0;
  7056. }
  7057. msleep(5);
  7058. }
  7059. return -EINVAL;
  7060. }
  7061. static void bnx2x_8727_power_module(struct bnx2x *bp,
  7062. struct bnx2x_phy *phy,
  7063. u8 is_power_up) {
  7064. /* Make sure GPIOs are not using for LED mode */
  7065. u16 val;
  7066. /* In the GPIO register, bit 4 is use to determine if the GPIOs are
  7067. * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
  7068. * output
  7069. * Bits 0-1 determine the GPIOs value for OUTPUT in case bit 4 val is 0
  7070. * Bits 8-9 determine the GPIOs value for INPUT in case bit 4 val is 1
  7071. * where the 1st bit is the over-current(only input), and 2nd bit is
  7072. * for power( only output )
  7073. *
  7074. * In case of NOC feature is disabled and power is up, set GPIO control
  7075. * as input to enable listening of over-current indication
  7076. */
  7077. if (phy->flags & FLAGS_NOC)
  7078. return;
  7079. if (is_power_up)
  7080. val = (1<<4);
  7081. else
  7082. /* Set GPIO control to OUTPUT, and set the power bit
  7083. * to according to the is_power_up
  7084. */
  7085. val = (1<<1);
  7086. bnx2x_cl45_write(bp, phy,
  7087. MDIO_PMA_DEVAD,
  7088. MDIO_PMA_REG_8727_GPIO_CTRL,
  7089. val);
  7090. }
  7091. static int bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
  7092. struct bnx2x_phy *phy,
  7093. u16 edc_mode)
  7094. {
  7095. u16 cur_limiting_mode;
  7096. bnx2x_cl45_read(bp, phy,
  7097. MDIO_PMA_DEVAD,
  7098. MDIO_PMA_REG_ROM_VER2,
  7099. &cur_limiting_mode);
  7100. DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
  7101. cur_limiting_mode);
  7102. if (edc_mode == EDC_MODE_LIMITING) {
  7103. DP(NETIF_MSG_LINK, "Setting LIMITING MODE\n");
  7104. bnx2x_cl45_write(bp, phy,
  7105. MDIO_PMA_DEVAD,
  7106. MDIO_PMA_REG_ROM_VER2,
  7107. EDC_MODE_LIMITING);
  7108. } else { /* LRM mode ( default )*/
  7109. DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
  7110. /* Changing to LRM mode takes quite few seconds. So do it only
  7111. * if current mode is limiting (default is LRM)
  7112. */
  7113. if (cur_limiting_mode != EDC_MODE_LIMITING)
  7114. return 0;
  7115. bnx2x_cl45_write(bp, phy,
  7116. MDIO_PMA_DEVAD,
  7117. MDIO_PMA_REG_LRM_MODE,
  7118. 0);
  7119. bnx2x_cl45_write(bp, phy,
  7120. MDIO_PMA_DEVAD,
  7121. MDIO_PMA_REG_ROM_VER2,
  7122. 0x128);
  7123. bnx2x_cl45_write(bp, phy,
  7124. MDIO_PMA_DEVAD,
  7125. MDIO_PMA_REG_MISC_CTRL0,
  7126. 0x4008);
  7127. bnx2x_cl45_write(bp, phy,
  7128. MDIO_PMA_DEVAD,
  7129. MDIO_PMA_REG_LRM_MODE,
  7130. 0xaaaa);
  7131. }
  7132. return 0;
  7133. }
  7134. static int bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
  7135. struct bnx2x_phy *phy,
  7136. u16 edc_mode)
  7137. {
  7138. u16 phy_identifier;
  7139. u16 rom_ver2_val;
  7140. bnx2x_cl45_read(bp, phy,
  7141. MDIO_PMA_DEVAD,
  7142. MDIO_PMA_REG_PHY_IDENTIFIER,
  7143. &phy_identifier);
  7144. bnx2x_cl45_write(bp, phy,
  7145. MDIO_PMA_DEVAD,
  7146. MDIO_PMA_REG_PHY_IDENTIFIER,
  7147. (phy_identifier & ~(1<<9)));
  7148. bnx2x_cl45_read(bp, phy,
  7149. MDIO_PMA_DEVAD,
  7150. MDIO_PMA_REG_ROM_VER2,
  7151. &rom_ver2_val);
  7152. /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
  7153. bnx2x_cl45_write(bp, phy,
  7154. MDIO_PMA_DEVAD,
  7155. MDIO_PMA_REG_ROM_VER2,
  7156. (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
  7157. bnx2x_cl45_write(bp, phy,
  7158. MDIO_PMA_DEVAD,
  7159. MDIO_PMA_REG_PHY_IDENTIFIER,
  7160. (phy_identifier | (1<<9)));
  7161. return 0;
  7162. }
  7163. static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
  7164. struct link_params *params,
  7165. u32 action)
  7166. {
  7167. struct bnx2x *bp = params->bp;
  7168. switch (action) {
  7169. case DISABLE_TX:
  7170. bnx2x_sfp_set_transmitter(params, phy, 0);
  7171. break;
  7172. case ENABLE_TX:
  7173. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
  7174. bnx2x_sfp_set_transmitter(params, phy, 1);
  7175. break;
  7176. default:
  7177. DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
  7178. action);
  7179. return;
  7180. }
  7181. }
  7182. static void bnx2x_set_e1e2_module_fault_led(struct link_params *params,
  7183. u8 gpio_mode)
  7184. {
  7185. struct bnx2x *bp = params->bp;
  7186. u32 fault_led_gpio = REG_RD(bp, params->shmem_base +
  7187. offsetof(struct shmem_region,
  7188. dev_info.port_hw_config[params->port].sfp_ctrl)) &
  7189. PORT_HW_CFG_FAULT_MODULE_LED_MASK;
  7190. switch (fault_led_gpio) {
  7191. case PORT_HW_CFG_FAULT_MODULE_LED_DISABLED:
  7192. return;
  7193. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO0:
  7194. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO1:
  7195. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO2:
  7196. case PORT_HW_CFG_FAULT_MODULE_LED_GPIO3:
  7197. {
  7198. u8 gpio_port = bnx2x_get_gpio_port(params);
  7199. u16 gpio_pin = fault_led_gpio -
  7200. PORT_HW_CFG_FAULT_MODULE_LED_GPIO0;
  7201. DP(NETIF_MSG_LINK, "Set fault module-detected led "
  7202. "pin %x port %x mode %x\n",
  7203. gpio_pin, gpio_port, gpio_mode);
  7204. bnx2x_set_gpio(bp, gpio_pin, gpio_mode, gpio_port);
  7205. }
  7206. break;
  7207. default:
  7208. DP(NETIF_MSG_LINK, "Error: Invalid fault led mode 0x%x\n",
  7209. fault_led_gpio);
  7210. }
  7211. }
  7212. static void bnx2x_set_e3_module_fault_led(struct link_params *params,
  7213. u8 gpio_mode)
  7214. {
  7215. u32 pin_cfg;
  7216. u8 port = params->port;
  7217. struct bnx2x *bp = params->bp;
  7218. pin_cfg = (REG_RD(bp, params->shmem_base +
  7219. offsetof(struct shmem_region,
  7220. dev_info.port_hw_config[port].e3_sfp_ctrl)) &
  7221. PORT_HW_CFG_E3_FAULT_MDL_LED_MASK) >>
  7222. PORT_HW_CFG_E3_FAULT_MDL_LED_SHIFT;
  7223. DP(NETIF_MSG_LINK, "Setting Fault LED to %d using pin cfg %d\n",
  7224. gpio_mode, pin_cfg);
  7225. bnx2x_set_cfg_pin(bp, pin_cfg, gpio_mode);
  7226. }
  7227. static void bnx2x_set_sfp_module_fault_led(struct link_params *params,
  7228. u8 gpio_mode)
  7229. {
  7230. struct bnx2x *bp = params->bp;
  7231. DP(NETIF_MSG_LINK, "Setting SFP+ module fault LED to %d\n", gpio_mode);
  7232. if (CHIP_IS_E3(bp)) {
  7233. /* Low ==> if SFP+ module is supported otherwise
  7234. * High ==> if SFP+ module is not on the approved vendor list
  7235. */
  7236. bnx2x_set_e3_module_fault_led(params, gpio_mode);
  7237. } else
  7238. bnx2x_set_e1e2_module_fault_led(params, gpio_mode);
  7239. }
  7240. static void bnx2x_warpcore_power_module(struct link_params *params,
  7241. struct bnx2x_phy *phy,
  7242. u8 power)
  7243. {
  7244. u32 pin_cfg;
  7245. struct bnx2x *bp = params->bp;
  7246. pin_cfg = (REG_RD(bp, params->shmem_base +
  7247. offsetof(struct shmem_region,
  7248. dev_info.port_hw_config[params->port].e3_sfp_ctrl)) &
  7249. PORT_HW_CFG_E3_PWR_DIS_MASK) >>
  7250. PORT_HW_CFG_E3_PWR_DIS_SHIFT;
  7251. if (pin_cfg == PIN_CFG_NA)
  7252. return;
  7253. DP(NETIF_MSG_LINK, "Setting SFP+ module power to %d using pin cfg %d\n",
  7254. power, pin_cfg);
  7255. /* Low ==> corresponding SFP+ module is powered
  7256. * high ==> the SFP+ module is powered down
  7257. */
  7258. bnx2x_set_cfg_pin(bp, pin_cfg, power ^ 1);
  7259. }
  7260. static void bnx2x_warpcore_hw_reset(struct bnx2x_phy *phy,
  7261. struct link_params *params)
  7262. {
  7263. struct bnx2x *bp = params->bp;
  7264. bnx2x_warpcore_power_module(params, phy, 0);
  7265. /* Put Warpcore in low power mode */
  7266. REG_WR(bp, MISC_REG_WC0_RESET, 0x0c0e);
  7267. /* Put LCPLL in low power mode */
  7268. REG_WR(bp, MISC_REG_LCPLL_E40_PWRDWN, 1);
  7269. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_ANA, 0);
  7270. REG_WR(bp, MISC_REG_LCPLL_E40_RESETB_DIG, 0);
  7271. }
  7272. static void bnx2x_power_sfp_module(struct link_params *params,
  7273. struct bnx2x_phy *phy,
  7274. u8 power)
  7275. {
  7276. struct bnx2x *bp = params->bp;
  7277. DP(NETIF_MSG_LINK, "Setting SFP+ power to %x\n", power);
  7278. switch (phy->type) {
  7279. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7280. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7281. bnx2x_8727_power_module(params->bp, phy, power);
  7282. break;
  7283. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7284. bnx2x_warpcore_power_module(params, phy, power);
  7285. break;
  7286. default:
  7287. break;
  7288. }
  7289. }
  7290. static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
  7291. struct bnx2x_phy *phy,
  7292. u16 edc_mode)
  7293. {
  7294. u16 val = 0;
  7295. u16 mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7296. struct bnx2x *bp = params->bp;
  7297. u8 lane = bnx2x_get_warpcore_lane(phy, params);
  7298. /* This is a global register which controls all lanes */
  7299. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7300. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7301. val &= ~(0xf << (lane << 2));
  7302. switch (edc_mode) {
  7303. case EDC_MODE_LINEAR:
  7304. case EDC_MODE_LIMITING:
  7305. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
  7306. break;
  7307. case EDC_MODE_PASSIVE_DAC:
  7308. mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
  7309. break;
  7310. default:
  7311. break;
  7312. }
  7313. val |= (mode << (lane << 2));
  7314. bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD,
  7315. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, val);
  7316. /* A must read */
  7317. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  7318. MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
  7319. /* Restart microcode to re-read the new mode */
  7320. bnx2x_warpcore_reset_lane(bp, phy, 1);
  7321. bnx2x_warpcore_reset_lane(bp, phy, 0);
  7322. }
  7323. static void bnx2x_set_limiting_mode(struct link_params *params,
  7324. struct bnx2x_phy *phy,
  7325. u16 edc_mode)
  7326. {
  7327. switch (phy->type) {
  7328. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  7329. bnx2x_8726_set_limiting_mode(params->bp, phy, edc_mode);
  7330. break;
  7331. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  7332. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  7333. bnx2x_8727_set_limiting_mode(params->bp, phy, edc_mode);
  7334. break;
  7335. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
  7336. bnx2x_warpcore_set_limiting_mode(params, phy, edc_mode);
  7337. break;
  7338. }
  7339. }
  7340. int bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
  7341. struct link_params *params)
  7342. {
  7343. struct bnx2x *bp = params->bp;
  7344. u16 edc_mode;
  7345. int rc = 0;
  7346. u32 val = REG_RD(bp, params->shmem_base +
  7347. offsetof(struct shmem_region, dev_info.
  7348. port_feature_config[params->port].config));
  7349. DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
  7350. params->port);
  7351. /* Power up module */
  7352. bnx2x_power_sfp_module(params, phy, 1);
  7353. if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
  7354. DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
  7355. return -EINVAL;
  7356. } else if (bnx2x_verify_sfp_module(phy, params) != 0) {
  7357. /* check SFP+ module compatibility */
  7358. DP(NETIF_MSG_LINK, "Module verification failed!!\n");
  7359. rc = -EINVAL;
  7360. /* Turn on fault module-detected led */
  7361. bnx2x_set_sfp_module_fault_led(params,
  7362. MISC_REGISTERS_GPIO_HIGH);
  7363. /* Check if need to power down the SFP+ module */
  7364. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7365. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN) {
  7366. DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
  7367. bnx2x_power_sfp_module(params, phy, 0);
  7368. return rc;
  7369. }
  7370. } else {
  7371. /* Turn off fault module-detected led */
  7372. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_LOW);
  7373. }
  7374. /* Check and set limiting mode / LRM mode on 8726. On 8727 it
  7375. * is done automatically
  7376. */
  7377. bnx2x_set_limiting_mode(params, phy, edc_mode);
  7378. /* Enable transmit for this module if the module is approved, or
  7379. * if unapproved modules should also enable the Tx laser
  7380. */
  7381. if (rc == 0 ||
  7382. (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
  7383. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  7384. bnx2x_sfp_set_transmitter(params, phy, 1);
  7385. else
  7386. bnx2x_sfp_set_transmitter(params, phy, 0);
  7387. return rc;
  7388. }
  7389. void bnx2x_handle_module_detect_int(struct link_params *params)
  7390. {
  7391. struct bnx2x *bp = params->bp;
  7392. struct bnx2x_phy *phy;
  7393. u32 gpio_val;
  7394. u8 gpio_num, gpio_port;
  7395. if (CHIP_IS_E3(bp))
  7396. phy = &params->phy[INT_PHY];
  7397. else
  7398. phy = &params->phy[EXT_PHY1];
  7399. if (bnx2x_get_mod_abs_int_cfg(bp, params->chip_id, params->shmem_base,
  7400. params->port, &gpio_num, &gpio_port) ==
  7401. -EINVAL) {
  7402. DP(NETIF_MSG_LINK, "Failed to get MOD_ABS interrupt config\n");
  7403. return;
  7404. }
  7405. /* Set valid module led off */
  7406. bnx2x_set_sfp_module_fault_led(params, MISC_REGISTERS_GPIO_HIGH);
  7407. /* Get current gpio val reflecting module plugged in / out*/
  7408. gpio_val = bnx2x_get_gpio(bp, gpio_num, gpio_port);
  7409. /* Call the handling function in case module is detected */
  7410. if (gpio_val == 0) {
  7411. bnx2x_power_sfp_module(params, phy, 1);
  7412. bnx2x_set_gpio_int(bp, gpio_num,
  7413. MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
  7414. gpio_port);
  7415. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  7416. bnx2x_sfp_module_detection(phy, params);
  7417. else
  7418. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  7419. } else {
  7420. u32 val = REG_RD(bp, params->shmem_base +
  7421. offsetof(struct shmem_region, dev_info.
  7422. port_feature_config[params->port].
  7423. config));
  7424. bnx2x_set_gpio_int(bp, gpio_num,
  7425. MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
  7426. gpio_port);
  7427. /* Module was plugged out.
  7428. * Disable transmit for this module
  7429. */
  7430. phy->media_type = ETH_PHY_NOT_PRESENT;
  7431. if (((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  7432. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER) ||
  7433. CHIP_IS_E3(bp))
  7434. bnx2x_sfp_set_transmitter(params, phy, 0);
  7435. }
  7436. }
  7437. /******************************************************************/
  7438. /* Used by 8706 and 8727 */
  7439. /******************************************************************/
  7440. static void bnx2x_sfp_mask_fault(struct bnx2x *bp,
  7441. struct bnx2x_phy *phy,
  7442. u16 alarm_status_offset,
  7443. u16 alarm_ctrl_offset)
  7444. {
  7445. u16 alarm_status, val;
  7446. bnx2x_cl45_read(bp, phy,
  7447. MDIO_PMA_DEVAD, alarm_status_offset,
  7448. &alarm_status);
  7449. bnx2x_cl45_read(bp, phy,
  7450. MDIO_PMA_DEVAD, alarm_status_offset,
  7451. &alarm_status);
  7452. /* Mask or enable the fault event. */
  7453. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, &val);
  7454. if (alarm_status & (1<<0))
  7455. val &= ~(1<<0);
  7456. else
  7457. val |= (1<<0);
  7458. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, alarm_ctrl_offset, val);
  7459. }
  7460. /******************************************************************/
  7461. /* common BCM8706/BCM8726 PHY SECTION */
  7462. /******************************************************************/
  7463. static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
  7464. struct link_params *params,
  7465. struct link_vars *vars)
  7466. {
  7467. u8 link_up = 0;
  7468. u16 val1, val2, rx_sd, pcs_status;
  7469. struct bnx2x *bp = params->bp;
  7470. DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
  7471. /* Clear RX Alarm*/
  7472. bnx2x_cl45_read(bp, phy,
  7473. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &val2);
  7474. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  7475. MDIO_PMA_LASI_TXCTRL);
  7476. /* clear LASI indication*/
  7477. bnx2x_cl45_read(bp, phy,
  7478. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  7479. bnx2x_cl45_read(bp, phy,
  7480. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  7481. DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
  7482. bnx2x_cl45_read(bp, phy,
  7483. MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
  7484. bnx2x_cl45_read(bp, phy,
  7485. MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
  7486. bnx2x_cl45_read(bp, phy,
  7487. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7488. bnx2x_cl45_read(bp, phy,
  7489. MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
  7490. DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
  7491. " link_status 0x%x\n", rx_sd, pcs_status, val2);
  7492. /* Link is up if both bit 0 of pmd_rx_sd and bit 0 of pcs_status
  7493. * are set, or if the autoneg bit 1 is set
  7494. */
  7495. link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
  7496. if (link_up) {
  7497. if (val2 & (1<<1))
  7498. vars->line_speed = SPEED_1000;
  7499. else
  7500. vars->line_speed = SPEED_10000;
  7501. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  7502. vars->duplex = DUPLEX_FULL;
  7503. }
  7504. /* Capture 10G link fault. Read twice to clear stale value. */
  7505. if (vars->line_speed == SPEED_10000) {
  7506. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7507. MDIO_PMA_LASI_TXSTAT, &val1);
  7508. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  7509. MDIO_PMA_LASI_TXSTAT, &val1);
  7510. if (val1 & (1<<0))
  7511. vars->fault_detected = 1;
  7512. }
  7513. return link_up;
  7514. }
  7515. /******************************************************************/
  7516. /* BCM8706 PHY SECTION */
  7517. /******************************************************************/
  7518. static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
  7519. struct link_params *params,
  7520. struct link_vars *vars)
  7521. {
  7522. u32 tx_en_mode;
  7523. u16 cnt, val, tmp1;
  7524. struct bnx2x *bp = params->bp;
  7525. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  7526. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  7527. /* HW reset */
  7528. bnx2x_ext_phy_hw_reset(bp, params->port);
  7529. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
  7530. bnx2x_wait_reset_complete(bp, phy, params);
  7531. /* Wait until fw is loaded */
  7532. for (cnt = 0; cnt < 100; cnt++) {
  7533. bnx2x_cl45_read(bp, phy,
  7534. MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
  7535. if (val)
  7536. break;
  7537. msleep(10);
  7538. }
  7539. DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
  7540. if ((params->feature_config_flags &
  7541. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7542. u8 i;
  7543. u16 reg;
  7544. for (i = 0; i < 4; i++) {
  7545. reg = MDIO_XS_8706_REG_BANK_RX0 +
  7546. i*(MDIO_XS_8706_REG_BANK_RX1 -
  7547. MDIO_XS_8706_REG_BANK_RX0);
  7548. bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
  7549. /* Clear first 3 bits of the control */
  7550. val &= ~0x7;
  7551. /* Set control bits according to configuration */
  7552. val |= (phy->rx_preemphasis[i] & 0x7);
  7553. DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
  7554. " reg 0x%x <-- val 0x%x\n", reg, val);
  7555. bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
  7556. }
  7557. }
  7558. /* Force speed */
  7559. if (phy->req_line_speed == SPEED_10000) {
  7560. DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
  7561. bnx2x_cl45_write(bp, phy,
  7562. MDIO_PMA_DEVAD,
  7563. MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
  7564. bnx2x_cl45_write(bp, phy,
  7565. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7566. 0);
  7567. /* Arm LASI for link and Tx fault. */
  7568. bnx2x_cl45_write(bp, phy,
  7569. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 3);
  7570. } else {
  7571. /* Force 1Gbps using autoneg with 1G advertisement */
  7572. /* Allow CL37 through CL73 */
  7573. DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
  7574. bnx2x_cl45_write(bp, phy,
  7575. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7576. /* Enable Full-Duplex advertisement on CL37 */
  7577. bnx2x_cl45_write(bp, phy,
  7578. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
  7579. /* Enable CL37 AN */
  7580. bnx2x_cl45_write(bp, phy,
  7581. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7582. /* 1G support */
  7583. bnx2x_cl45_write(bp, phy,
  7584. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
  7585. /* Enable clause 73 AN */
  7586. bnx2x_cl45_write(bp, phy,
  7587. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7588. bnx2x_cl45_write(bp, phy,
  7589. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7590. 0x0400);
  7591. bnx2x_cl45_write(bp, phy,
  7592. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  7593. 0x0004);
  7594. }
  7595. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7596. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7597. * power mode, if TX Laser is disabled
  7598. */
  7599. tx_en_mode = REG_RD(bp, params->shmem_base +
  7600. offsetof(struct shmem_region,
  7601. dev_info.port_hw_config[params->port].sfp_ctrl))
  7602. & PORT_HW_CFG_TX_LASER_MASK;
  7603. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7604. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7605. bnx2x_cl45_read(bp, phy,
  7606. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, &tmp1);
  7607. tmp1 |= 0x1;
  7608. bnx2x_cl45_write(bp, phy,
  7609. MDIO_PMA_DEVAD, MDIO_PMA_REG_DIGITAL_CTRL, tmp1);
  7610. }
  7611. return 0;
  7612. }
  7613. static int bnx2x_8706_read_status(struct bnx2x_phy *phy,
  7614. struct link_params *params,
  7615. struct link_vars *vars)
  7616. {
  7617. return bnx2x_8706_8726_read_status(phy, params, vars);
  7618. }
  7619. /******************************************************************/
  7620. /* BCM8726 PHY SECTION */
  7621. /******************************************************************/
  7622. static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
  7623. struct link_params *params)
  7624. {
  7625. struct bnx2x *bp = params->bp;
  7626. DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
  7627. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
  7628. }
  7629. static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
  7630. struct link_params *params)
  7631. {
  7632. struct bnx2x *bp = params->bp;
  7633. /* Need to wait 100ms after reset */
  7634. msleep(100);
  7635. /* Micro controller re-boot */
  7636. bnx2x_cl45_write(bp, phy,
  7637. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
  7638. /* Set soft reset */
  7639. bnx2x_cl45_write(bp, phy,
  7640. MDIO_PMA_DEVAD,
  7641. MDIO_PMA_REG_GEN_CTRL,
  7642. MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
  7643. bnx2x_cl45_write(bp, phy,
  7644. MDIO_PMA_DEVAD,
  7645. MDIO_PMA_REG_MISC_CTRL1, 0x0001);
  7646. bnx2x_cl45_write(bp, phy,
  7647. MDIO_PMA_DEVAD,
  7648. MDIO_PMA_REG_GEN_CTRL,
  7649. MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
  7650. /* wait for 150ms for microcode load */
  7651. msleep(150);
  7652. /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
  7653. bnx2x_cl45_write(bp, phy,
  7654. MDIO_PMA_DEVAD,
  7655. MDIO_PMA_REG_MISC_CTRL1, 0x0000);
  7656. msleep(200);
  7657. bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
  7658. }
  7659. static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
  7660. struct link_params *params,
  7661. struct link_vars *vars)
  7662. {
  7663. struct bnx2x *bp = params->bp;
  7664. u16 val1;
  7665. u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
  7666. if (link_up) {
  7667. bnx2x_cl45_read(bp, phy,
  7668. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7669. &val1);
  7670. if (val1 & (1<<15)) {
  7671. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  7672. link_up = 0;
  7673. vars->line_speed = 0;
  7674. }
  7675. }
  7676. return link_up;
  7677. }
  7678. static int bnx2x_8726_config_init(struct bnx2x_phy *phy,
  7679. struct link_params *params,
  7680. struct link_vars *vars)
  7681. {
  7682. struct bnx2x *bp = params->bp;
  7683. DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
  7684. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  7685. bnx2x_wait_reset_complete(bp, phy, params);
  7686. bnx2x_8726_external_rom_boot(phy, params);
  7687. /* Need to call module detected on initialization since the module
  7688. * detection triggered by actual module insertion might occur before
  7689. * driver is loaded, and when driver is loaded, it reset all
  7690. * registers, including the transmitter
  7691. */
  7692. bnx2x_sfp_module_detection(phy, params);
  7693. if (phy->req_line_speed == SPEED_1000) {
  7694. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7695. bnx2x_cl45_write(bp, phy,
  7696. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7697. bnx2x_cl45_write(bp, phy,
  7698. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7699. bnx2x_cl45_write(bp, phy,
  7700. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x5);
  7701. bnx2x_cl45_write(bp, phy,
  7702. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7703. 0x400);
  7704. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7705. (phy->speed_cap_mask &
  7706. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
  7707. ((phy->speed_cap_mask &
  7708. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7709. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7710. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7711. /* Set Flow control */
  7712. bnx2x_ext_phy_set_pause(params, phy, vars);
  7713. bnx2x_cl45_write(bp, phy,
  7714. MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
  7715. bnx2x_cl45_write(bp, phy,
  7716. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
  7717. bnx2x_cl45_write(bp, phy,
  7718. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
  7719. bnx2x_cl45_write(bp, phy,
  7720. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
  7721. bnx2x_cl45_write(bp, phy,
  7722. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
  7723. /* Enable RX-ALARM control to receive interrupt for 1G speed
  7724. * change
  7725. */
  7726. bnx2x_cl45_write(bp, phy,
  7727. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x4);
  7728. bnx2x_cl45_write(bp, phy,
  7729. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7730. 0x400);
  7731. } else { /* Default 10G. Set only LASI control */
  7732. bnx2x_cl45_write(bp, phy,
  7733. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 1);
  7734. }
  7735. /* Set TX PreEmphasis if needed */
  7736. if ((params->feature_config_flags &
  7737. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7738. DP(NETIF_MSG_LINK,
  7739. "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7740. phy->tx_preemphasis[0],
  7741. phy->tx_preemphasis[1]);
  7742. bnx2x_cl45_write(bp, phy,
  7743. MDIO_PMA_DEVAD,
  7744. MDIO_PMA_REG_8726_TX_CTRL1,
  7745. phy->tx_preemphasis[0]);
  7746. bnx2x_cl45_write(bp, phy,
  7747. MDIO_PMA_DEVAD,
  7748. MDIO_PMA_REG_8726_TX_CTRL2,
  7749. phy->tx_preemphasis[1]);
  7750. }
  7751. return 0;
  7752. }
  7753. static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
  7754. struct link_params *params)
  7755. {
  7756. struct bnx2x *bp = params->bp;
  7757. DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
  7758. /* Set serial boot control for external load */
  7759. bnx2x_cl45_write(bp, phy,
  7760. MDIO_PMA_DEVAD,
  7761. MDIO_PMA_REG_GEN_CTRL, 0x0001);
  7762. }
  7763. /******************************************************************/
  7764. /* BCM8727 PHY SECTION */
  7765. /******************************************************************/
  7766. static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
  7767. struct link_params *params, u8 mode)
  7768. {
  7769. struct bnx2x *bp = params->bp;
  7770. u16 led_mode_bitmask = 0;
  7771. u16 gpio_pins_bitmask = 0;
  7772. u16 val;
  7773. /* Only NOC flavor requires to set the LED specifically */
  7774. if (!(phy->flags & FLAGS_NOC))
  7775. return;
  7776. switch (mode) {
  7777. case LED_MODE_FRONT_PANEL_OFF:
  7778. case LED_MODE_OFF:
  7779. led_mode_bitmask = 0;
  7780. gpio_pins_bitmask = 0x03;
  7781. break;
  7782. case LED_MODE_ON:
  7783. led_mode_bitmask = 0;
  7784. gpio_pins_bitmask = 0x02;
  7785. break;
  7786. case LED_MODE_OPER:
  7787. led_mode_bitmask = 0x60;
  7788. gpio_pins_bitmask = 0x11;
  7789. break;
  7790. }
  7791. bnx2x_cl45_read(bp, phy,
  7792. MDIO_PMA_DEVAD,
  7793. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7794. &val);
  7795. val &= 0xff8f;
  7796. val |= led_mode_bitmask;
  7797. bnx2x_cl45_write(bp, phy,
  7798. MDIO_PMA_DEVAD,
  7799. MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7800. val);
  7801. bnx2x_cl45_read(bp, phy,
  7802. MDIO_PMA_DEVAD,
  7803. MDIO_PMA_REG_8727_GPIO_CTRL,
  7804. &val);
  7805. val &= 0xffe0;
  7806. val |= gpio_pins_bitmask;
  7807. bnx2x_cl45_write(bp, phy,
  7808. MDIO_PMA_DEVAD,
  7809. MDIO_PMA_REG_8727_GPIO_CTRL,
  7810. val);
  7811. }
  7812. static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
  7813. struct link_params *params) {
  7814. u32 swap_val, swap_override;
  7815. u8 port;
  7816. /* The PHY reset is controlled by GPIO 1. Fake the port number
  7817. * to cancel the swap done in set_gpio()
  7818. */
  7819. struct bnx2x *bp = params->bp;
  7820. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  7821. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  7822. port = (swap_val && swap_override) ^ 1;
  7823. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
  7824. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  7825. }
  7826. static int bnx2x_8727_config_init(struct bnx2x_phy *phy,
  7827. struct link_params *params,
  7828. struct link_vars *vars)
  7829. {
  7830. u32 tx_en_mode;
  7831. u16 tmp1, val, mod_abs, tmp2;
  7832. u16 rx_alarm_ctrl_val;
  7833. u16 lasi_ctrl_val;
  7834. struct bnx2x *bp = params->bp;
  7835. /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
  7836. bnx2x_wait_reset_complete(bp, phy, params);
  7837. rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
  7838. /* Should be 0x6 to enable XS on Tx side. */
  7839. lasi_ctrl_val = 0x0006;
  7840. DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
  7841. /* enable LASI */
  7842. bnx2x_cl45_write(bp, phy,
  7843. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  7844. rx_alarm_ctrl_val);
  7845. bnx2x_cl45_write(bp, phy,
  7846. MDIO_PMA_DEVAD, MDIO_PMA_LASI_TXCTRL,
  7847. 0);
  7848. bnx2x_cl45_write(bp, phy,
  7849. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, lasi_ctrl_val);
  7850. /* Initially configure MOD_ABS to interrupt when module is
  7851. * presence( bit 8)
  7852. */
  7853. bnx2x_cl45_read(bp, phy,
  7854. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7855. /* Set EDC off by setting OPTXLOS signal input to low (bit 9).
  7856. * When the EDC is off it locks onto a reference clock and avoids
  7857. * becoming 'lost'
  7858. */
  7859. mod_abs &= ~(1<<8);
  7860. if (!(phy->flags & FLAGS_NOC))
  7861. mod_abs &= ~(1<<9);
  7862. bnx2x_cl45_write(bp, phy,
  7863. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  7864. /* Enable/Disable PHY transmitter output */
  7865. bnx2x_set_disable_pmd_transmit(params, phy, 0);
  7866. /* Make MOD_ABS give interrupt on change */
  7867. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
  7868. &val);
  7869. val |= (1<<12);
  7870. if (phy->flags & FLAGS_NOC)
  7871. val |= (3<<5);
  7872. /* Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
  7873. * status which reflect SFP+ module over-current
  7874. */
  7875. if (!(phy->flags & FLAGS_NOC))
  7876. val &= 0xff8f; /* Reset bits 4-6 */
  7877. bnx2x_cl45_write(bp, phy,
  7878. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
  7879. bnx2x_8727_power_module(bp, phy, 1);
  7880. bnx2x_cl45_read(bp, phy,
  7881. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
  7882. bnx2x_cl45_read(bp, phy,
  7883. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT, &tmp1);
  7884. /* Set option 1G speed */
  7885. if (phy->req_line_speed == SPEED_1000) {
  7886. DP(NETIF_MSG_LINK, "Setting 1G force\n");
  7887. bnx2x_cl45_write(bp, phy,
  7888. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
  7889. bnx2x_cl45_write(bp, phy,
  7890. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
  7891. bnx2x_cl45_read(bp, phy,
  7892. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
  7893. DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
  7894. /* Power down the XAUI until link is up in case of dual-media
  7895. * and 1G
  7896. */
  7897. if (DUAL_MEDIA(params)) {
  7898. bnx2x_cl45_read(bp, phy,
  7899. MDIO_PMA_DEVAD,
  7900. MDIO_PMA_REG_8727_PCS_GP, &val);
  7901. val |= (3<<10);
  7902. bnx2x_cl45_write(bp, phy,
  7903. MDIO_PMA_DEVAD,
  7904. MDIO_PMA_REG_8727_PCS_GP, val);
  7905. }
  7906. } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  7907. ((phy->speed_cap_mask &
  7908. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
  7909. ((phy->speed_cap_mask &
  7910. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
  7911. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
  7912. DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
  7913. bnx2x_cl45_write(bp, phy,
  7914. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
  7915. bnx2x_cl45_write(bp, phy,
  7916. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
  7917. } else {
  7918. /* Since the 8727 has only single reset pin, need to set the 10G
  7919. * registers although it is default
  7920. */
  7921. bnx2x_cl45_write(bp, phy,
  7922. MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
  7923. 0x0020);
  7924. bnx2x_cl45_write(bp, phy,
  7925. MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
  7926. bnx2x_cl45_write(bp, phy,
  7927. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
  7928. bnx2x_cl45_write(bp, phy,
  7929. MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
  7930. 0x0008);
  7931. }
  7932. /* Set 2-wire transfer rate of SFP+ module EEPROM
  7933. * to 100Khz since some DACs(direct attached cables) do
  7934. * not work at 400Khz.
  7935. */
  7936. bnx2x_cl45_write(bp, phy,
  7937. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
  7938. 0xa001);
  7939. /* Set TX PreEmphasis if needed */
  7940. if ((params->feature_config_flags &
  7941. FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
  7942. DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
  7943. phy->tx_preemphasis[0],
  7944. phy->tx_preemphasis[1]);
  7945. bnx2x_cl45_write(bp, phy,
  7946. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
  7947. phy->tx_preemphasis[0]);
  7948. bnx2x_cl45_write(bp, phy,
  7949. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
  7950. phy->tx_preemphasis[1]);
  7951. }
  7952. /* If TX Laser is controlled by GPIO_0, do not let PHY go into low
  7953. * power mode, if TX Laser is disabled
  7954. */
  7955. tx_en_mode = REG_RD(bp, params->shmem_base +
  7956. offsetof(struct shmem_region,
  7957. dev_info.port_hw_config[params->port].sfp_ctrl))
  7958. & PORT_HW_CFG_TX_LASER_MASK;
  7959. if (tx_en_mode == PORT_HW_CFG_TX_LASER_GPIO0) {
  7960. DP(NETIF_MSG_LINK, "Enabling TXONOFF_PWRDN_DIS\n");
  7961. bnx2x_cl45_read(bp, phy,
  7962. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, &tmp2);
  7963. tmp2 |= 0x1000;
  7964. tmp2 &= 0xFFEF;
  7965. bnx2x_cl45_write(bp, phy,
  7966. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_OPT_CFG_REG, tmp2);
  7967. bnx2x_cl45_read(bp, phy,
  7968. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7969. &tmp2);
  7970. bnx2x_cl45_write(bp, phy,
  7971. MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
  7972. (tmp2 & 0x7fff));
  7973. }
  7974. return 0;
  7975. }
  7976. static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
  7977. struct link_params *params)
  7978. {
  7979. struct bnx2x *bp = params->bp;
  7980. u16 mod_abs, rx_alarm_status;
  7981. u32 val = REG_RD(bp, params->shmem_base +
  7982. offsetof(struct shmem_region, dev_info.
  7983. port_feature_config[params->port].
  7984. config));
  7985. bnx2x_cl45_read(bp, phy,
  7986. MDIO_PMA_DEVAD,
  7987. MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
  7988. if (mod_abs & (1<<8)) {
  7989. /* Module is absent */
  7990. DP(NETIF_MSG_LINK,
  7991. "MOD_ABS indication show module is absent\n");
  7992. phy->media_type = ETH_PHY_NOT_PRESENT;
  7993. /* 1. Set mod_abs to detect next module
  7994. * presence event
  7995. * 2. Set EDC off by setting OPTXLOS signal input to low
  7996. * (bit 9).
  7997. * When the EDC is off it locks onto a reference clock and
  7998. * avoids becoming 'lost'.
  7999. */
  8000. mod_abs &= ~(1<<8);
  8001. if (!(phy->flags & FLAGS_NOC))
  8002. mod_abs &= ~(1<<9);
  8003. bnx2x_cl45_write(bp, phy,
  8004. MDIO_PMA_DEVAD,
  8005. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8006. /* Clear RX alarm since it stays up as long as
  8007. * the mod_abs wasn't changed
  8008. */
  8009. bnx2x_cl45_read(bp, phy,
  8010. MDIO_PMA_DEVAD,
  8011. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8012. } else {
  8013. /* Module is present */
  8014. DP(NETIF_MSG_LINK,
  8015. "MOD_ABS indication show module is present\n");
  8016. /* First disable transmitter, and if the module is ok, the
  8017. * module_detection will enable it
  8018. * 1. Set mod_abs to detect next module absent event ( bit 8)
  8019. * 2. Restore the default polarity of the OPRXLOS signal and
  8020. * this signal will then correctly indicate the presence or
  8021. * absence of the Rx signal. (bit 9)
  8022. */
  8023. mod_abs |= (1<<8);
  8024. if (!(phy->flags & FLAGS_NOC))
  8025. mod_abs |= (1<<9);
  8026. bnx2x_cl45_write(bp, phy,
  8027. MDIO_PMA_DEVAD,
  8028. MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
  8029. /* Clear RX alarm since it stays up as long as the mod_abs
  8030. * wasn't changed. This is need to be done before calling the
  8031. * module detection, otherwise it will clear* the link update
  8032. * alarm
  8033. */
  8034. bnx2x_cl45_read(bp, phy,
  8035. MDIO_PMA_DEVAD,
  8036. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8037. if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
  8038. PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
  8039. bnx2x_sfp_set_transmitter(params, phy, 0);
  8040. if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
  8041. bnx2x_sfp_module_detection(phy, params);
  8042. else
  8043. DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
  8044. }
  8045. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
  8046. rx_alarm_status);
  8047. /* No need to check link status in case of module plugged in/out */
  8048. }
  8049. static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
  8050. struct link_params *params,
  8051. struct link_vars *vars)
  8052. {
  8053. struct bnx2x *bp = params->bp;
  8054. u8 link_up = 0, oc_port = params->port;
  8055. u16 link_status = 0;
  8056. u16 rx_alarm_status, lasi_ctrl, val1;
  8057. /* If PHY is not initialized, do not check link status */
  8058. bnx2x_cl45_read(bp, phy,
  8059. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL,
  8060. &lasi_ctrl);
  8061. if (!lasi_ctrl)
  8062. return 0;
  8063. /* Check the LASI on Rx */
  8064. bnx2x_cl45_read(bp, phy,
  8065. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXSTAT,
  8066. &rx_alarm_status);
  8067. vars->line_speed = 0;
  8068. DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
  8069. bnx2x_sfp_mask_fault(bp, phy, MDIO_PMA_LASI_TXSTAT,
  8070. MDIO_PMA_LASI_TXCTRL);
  8071. bnx2x_cl45_read(bp, phy,
  8072. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  8073. DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
  8074. /* Clear MSG-OUT */
  8075. bnx2x_cl45_read(bp, phy,
  8076. MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
  8077. /* If a module is present and there is need to check
  8078. * for over current
  8079. */
  8080. if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
  8081. /* Check over-current using 8727 GPIO0 input*/
  8082. bnx2x_cl45_read(bp, phy,
  8083. MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
  8084. &val1);
  8085. if ((val1 & (1<<8)) == 0) {
  8086. if (!CHIP_IS_E1x(bp))
  8087. oc_port = BP_PATH(bp) + (params->port << 1);
  8088. DP(NETIF_MSG_LINK,
  8089. "8727 Power fault has been detected on port %d\n",
  8090. oc_port);
  8091. netdev_err(bp->dev, "Error: Power fault on Port %d has "
  8092. "been detected and the power to "
  8093. "that SFP+ module has been removed "
  8094. "to prevent failure of the card. "
  8095. "Please remove the SFP+ module and "
  8096. "restart the system to clear this "
  8097. "error.\n",
  8098. oc_port);
  8099. /* Disable all RX_ALARMs except for mod_abs */
  8100. bnx2x_cl45_write(bp, phy,
  8101. MDIO_PMA_DEVAD,
  8102. MDIO_PMA_LASI_RXCTRL, (1<<5));
  8103. bnx2x_cl45_read(bp, phy,
  8104. MDIO_PMA_DEVAD,
  8105. MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
  8106. /* Wait for module_absent_event */
  8107. val1 |= (1<<8);
  8108. bnx2x_cl45_write(bp, phy,
  8109. MDIO_PMA_DEVAD,
  8110. MDIO_PMA_REG_PHY_IDENTIFIER, val1);
  8111. /* Clear RX alarm */
  8112. bnx2x_cl45_read(bp, phy,
  8113. MDIO_PMA_DEVAD,
  8114. MDIO_PMA_LASI_RXSTAT, &rx_alarm_status);
  8115. return 0;
  8116. }
  8117. } /* Over current check */
  8118. /* When module absent bit is set, check module */
  8119. if (rx_alarm_status & (1<<5)) {
  8120. bnx2x_8727_handle_mod_abs(phy, params);
  8121. /* Enable all mod_abs and link detection bits */
  8122. bnx2x_cl45_write(bp, phy,
  8123. MDIO_PMA_DEVAD, MDIO_PMA_LASI_RXCTRL,
  8124. ((1<<5) | (1<<2)));
  8125. }
  8126. if (!(phy->flags & FLAGS_SFP_NOT_APPROVED)) {
  8127. DP(NETIF_MSG_LINK, "Enabling 8727 TX laser\n");
  8128. bnx2x_sfp_set_transmitter(params, phy, 1);
  8129. } else {
  8130. DP(NETIF_MSG_LINK, "Tx is disabled\n");
  8131. return 0;
  8132. }
  8133. bnx2x_cl45_read(bp, phy,
  8134. MDIO_PMA_DEVAD,
  8135. MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
  8136. /* Bits 0..2 --> speed detected,
  8137. * Bits 13..15--> link is down
  8138. */
  8139. if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
  8140. link_up = 1;
  8141. vars->line_speed = SPEED_10000;
  8142. DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
  8143. params->port);
  8144. } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
  8145. link_up = 1;
  8146. vars->line_speed = SPEED_1000;
  8147. DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
  8148. params->port);
  8149. } else {
  8150. link_up = 0;
  8151. DP(NETIF_MSG_LINK, "port %x: External link is down\n",
  8152. params->port);
  8153. }
  8154. /* Capture 10G link fault. */
  8155. if (vars->line_speed == SPEED_10000) {
  8156. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8157. MDIO_PMA_LASI_TXSTAT, &val1);
  8158. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
  8159. MDIO_PMA_LASI_TXSTAT, &val1);
  8160. if (val1 & (1<<0)) {
  8161. vars->fault_detected = 1;
  8162. }
  8163. }
  8164. if (link_up) {
  8165. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8166. vars->duplex = DUPLEX_FULL;
  8167. DP(NETIF_MSG_LINK, "duplex = 0x%x\n", vars->duplex);
  8168. }
  8169. if ((DUAL_MEDIA(params)) &&
  8170. (phy->req_line_speed == SPEED_1000)) {
  8171. bnx2x_cl45_read(bp, phy,
  8172. MDIO_PMA_DEVAD,
  8173. MDIO_PMA_REG_8727_PCS_GP, &val1);
  8174. /* In case of dual-media board and 1G, power up the XAUI side,
  8175. * otherwise power it down. For 10G it is done automatically
  8176. */
  8177. if (link_up)
  8178. val1 &= ~(3<<10);
  8179. else
  8180. val1 |= (3<<10);
  8181. bnx2x_cl45_write(bp, phy,
  8182. MDIO_PMA_DEVAD,
  8183. MDIO_PMA_REG_8727_PCS_GP, val1);
  8184. }
  8185. return link_up;
  8186. }
  8187. static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
  8188. struct link_params *params)
  8189. {
  8190. struct bnx2x *bp = params->bp;
  8191. /* Enable/Disable PHY transmitter output */
  8192. bnx2x_set_disable_pmd_transmit(params, phy, 1);
  8193. /* Disable Transmitter */
  8194. bnx2x_sfp_set_transmitter(params, phy, 0);
  8195. /* Clear LASI */
  8196. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0);
  8197. }
  8198. /******************************************************************/
  8199. /* BCM8481/BCM84823/BCM84833 PHY SECTION */
  8200. /******************************************************************/
  8201. static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
  8202. struct bnx2x *bp,
  8203. u8 port)
  8204. {
  8205. u16 val, fw_ver1, fw_ver2, cnt;
  8206. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8207. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
  8208. bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
  8209. phy->ver_addr);
  8210. } else {
  8211. /* For 32-bit registers in 848xx, access via MDIO2ARM i/f. */
  8212. /* (1) set reg 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
  8213. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
  8214. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8215. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
  8216. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
  8217. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
  8218. for (cnt = 0; cnt < 100; cnt++) {
  8219. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8220. if (val & 1)
  8221. break;
  8222. udelay(5);
  8223. }
  8224. if (cnt == 100) {
  8225. DP(NETIF_MSG_LINK, "Unable to read 848xx "
  8226. "phy fw version(1)\n");
  8227. bnx2x_save_spirom_version(bp, port, 0,
  8228. phy->ver_addr);
  8229. return;
  8230. }
  8231. /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
  8232. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
  8233. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
  8234. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
  8235. for (cnt = 0; cnt < 100; cnt++) {
  8236. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
  8237. if (val & 1)
  8238. break;
  8239. udelay(5);
  8240. }
  8241. if (cnt == 100) {
  8242. DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw "
  8243. "version(2)\n");
  8244. bnx2x_save_spirom_version(bp, port, 0,
  8245. phy->ver_addr);
  8246. return;
  8247. }
  8248. /* lower 16 bits of the register SPI_FW_STATUS */
  8249. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
  8250. /* upper 16 bits of register SPI_FW_STATUS */
  8251. bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
  8252. bnx2x_save_spirom_version(bp, port, (fw_ver2<<16) | fw_ver1,
  8253. phy->ver_addr);
  8254. }
  8255. }
  8256. static void bnx2x_848xx_set_led(struct bnx2x *bp,
  8257. struct bnx2x_phy *phy)
  8258. {
  8259. u16 val, offset;
  8260. /* PHYC_CTL_LED_CTL */
  8261. bnx2x_cl45_read(bp, phy,
  8262. MDIO_PMA_DEVAD,
  8263. MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
  8264. val &= 0xFE00;
  8265. val |= 0x0092;
  8266. bnx2x_cl45_write(bp, phy,
  8267. MDIO_PMA_DEVAD,
  8268. MDIO_PMA_REG_8481_LINK_SIGNAL, val);
  8269. bnx2x_cl45_write(bp, phy,
  8270. MDIO_PMA_DEVAD,
  8271. MDIO_PMA_REG_8481_LED1_MASK,
  8272. 0x80);
  8273. bnx2x_cl45_write(bp, phy,
  8274. MDIO_PMA_DEVAD,
  8275. MDIO_PMA_REG_8481_LED2_MASK,
  8276. 0x18);
  8277. /* Select activity source by Tx and Rx, as suggested by PHY AE */
  8278. bnx2x_cl45_write(bp, phy,
  8279. MDIO_PMA_DEVAD,
  8280. MDIO_PMA_REG_8481_LED3_MASK,
  8281. 0x0006);
  8282. /* Select the closest activity blink rate to that in 10/100/1000 */
  8283. bnx2x_cl45_write(bp, phy,
  8284. MDIO_PMA_DEVAD,
  8285. MDIO_PMA_REG_8481_LED3_BLINK,
  8286. 0);
  8287. /* Configure the blink rate to ~15.9 Hz */
  8288. bnx2x_cl45_write(bp, phy,
  8289. MDIO_PMA_DEVAD,
  8290. MDIO_PMA_REG_84823_CTL_SLOW_CLK_CNT_HIGH,
  8291. MDIO_PMA_REG_84823_BLINK_RATE_VAL_15P9HZ);
  8292. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
  8293. offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
  8294. else
  8295. offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
  8296. bnx2x_cl45_read(bp, phy,
  8297. MDIO_PMA_DEVAD, offset, &val);
  8298. val |= MDIO_PMA_REG_84823_LED3_STRETCH_EN; /* stretch_en for LED3*/
  8299. bnx2x_cl45_write(bp, phy,
  8300. MDIO_PMA_DEVAD, offset, val);
  8301. /* 'Interrupt Mask' */
  8302. bnx2x_cl45_write(bp, phy,
  8303. MDIO_AN_DEVAD,
  8304. 0xFFFB, 0xFFFD);
  8305. }
  8306. static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
  8307. struct link_params *params,
  8308. struct link_vars *vars)
  8309. {
  8310. struct bnx2x *bp = params->bp;
  8311. u16 autoneg_val, an_1000_val, an_10_100_val, an_10g_val;
  8312. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8313. /* Save spirom version */
  8314. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8315. }
  8316. /* This phy uses the NIG latch mechanism since link indication
  8317. * arrives through its LED4 and not via its LASI signal, so we
  8318. * get steady signal instead of clear on read
  8319. */
  8320. bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
  8321. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  8322. bnx2x_cl45_write(bp, phy,
  8323. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
  8324. bnx2x_848xx_set_led(bp, phy);
  8325. /* set 1000 speed advertisement */
  8326. bnx2x_cl45_read(bp, phy,
  8327. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8328. &an_1000_val);
  8329. bnx2x_ext_phy_set_pause(params, phy, vars);
  8330. bnx2x_cl45_read(bp, phy,
  8331. MDIO_AN_DEVAD,
  8332. MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8333. &an_10_100_val);
  8334. bnx2x_cl45_read(bp, phy,
  8335. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8336. &autoneg_val);
  8337. /* Disable forced speed */
  8338. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  8339. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
  8340. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8341. (phy->speed_cap_mask &
  8342. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  8343. (phy->req_line_speed == SPEED_1000)) {
  8344. an_1000_val |= (1<<8);
  8345. autoneg_val |= (1<<9 | 1<<12);
  8346. if (phy->req_duplex == DUPLEX_FULL)
  8347. an_1000_val |= (1<<9);
  8348. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  8349. } else
  8350. an_1000_val &= ~((1<<8) | (1<<9));
  8351. bnx2x_cl45_write(bp, phy,
  8352. MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
  8353. an_1000_val);
  8354. /* set 100 speed advertisement */
  8355. if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8356. (phy->speed_cap_mask &
  8357. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  8358. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
  8359. an_10_100_val |= (1<<7);
  8360. /* Enable autoneg and restart autoneg for legacy speeds */
  8361. autoneg_val |= (1<<9 | 1<<12);
  8362. if (phy->req_duplex == DUPLEX_FULL)
  8363. an_10_100_val |= (1<<8);
  8364. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  8365. }
  8366. /* set 10 speed advertisement */
  8367. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8368. (phy->speed_cap_mask &
  8369. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  8370. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
  8371. (phy->supported &
  8372. (SUPPORTED_10baseT_Half |
  8373. SUPPORTED_10baseT_Full)))) {
  8374. an_10_100_val |= (1<<5);
  8375. autoneg_val |= (1<<9 | 1<<12);
  8376. if (phy->req_duplex == DUPLEX_FULL)
  8377. an_10_100_val |= (1<<6);
  8378. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  8379. }
  8380. /* Only 10/100 are allowed to work in FORCE mode */
  8381. if ((phy->req_line_speed == SPEED_100) &&
  8382. (phy->supported &
  8383. (SUPPORTED_100baseT_Half |
  8384. SUPPORTED_100baseT_Full))) {
  8385. autoneg_val |= (1<<13);
  8386. /* Enabled AUTO-MDIX when autoneg is disabled */
  8387. bnx2x_cl45_write(bp, phy,
  8388. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8389. (1<<15 | 1<<9 | 7<<0));
  8390. /* The PHY needs this set even for forced link. */
  8391. an_10_100_val |= (1<<8) | (1<<7);
  8392. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  8393. }
  8394. if ((phy->req_line_speed == SPEED_10) &&
  8395. (phy->supported &
  8396. (SUPPORTED_10baseT_Half |
  8397. SUPPORTED_10baseT_Full))) {
  8398. /* Enabled AUTO-MDIX when autoneg is disabled */
  8399. bnx2x_cl45_write(bp, phy,
  8400. MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
  8401. (1<<15 | 1<<9 | 7<<0));
  8402. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  8403. }
  8404. bnx2x_cl45_write(bp, phy,
  8405. MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
  8406. an_10_100_val);
  8407. if (phy->req_duplex == DUPLEX_FULL)
  8408. autoneg_val |= (1<<8);
  8409. /* Always write this if this is not 84833.
  8410. * For 84833, write it only when it's a forced speed.
  8411. */
  8412. if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
  8413. ((autoneg_val & (1<<12)) == 0))
  8414. bnx2x_cl45_write(bp, phy,
  8415. MDIO_AN_DEVAD,
  8416. MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
  8417. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  8418. (phy->speed_cap_mask &
  8419. PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
  8420. (phy->req_line_speed == SPEED_10000)) {
  8421. DP(NETIF_MSG_LINK, "Advertising 10G\n");
  8422. /* Restart autoneg for 10G*/
  8423. bnx2x_cl45_read(bp, phy,
  8424. MDIO_AN_DEVAD,
  8425. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8426. &an_10g_val);
  8427. bnx2x_cl45_write(bp, phy,
  8428. MDIO_AN_DEVAD,
  8429. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8430. an_10g_val | 0x1000);
  8431. bnx2x_cl45_write(bp, phy,
  8432. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
  8433. 0x3200);
  8434. } else
  8435. bnx2x_cl45_write(bp, phy,
  8436. MDIO_AN_DEVAD,
  8437. MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
  8438. 1);
  8439. return 0;
  8440. }
  8441. static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
  8442. struct link_params *params,
  8443. struct link_vars *vars)
  8444. {
  8445. struct bnx2x *bp = params->bp;
  8446. /* Restore normal power mode*/
  8447. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  8448. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  8449. /* HW reset */
  8450. bnx2x_ext_phy_hw_reset(bp, params->port);
  8451. bnx2x_wait_reset_complete(bp, phy, params);
  8452. bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  8453. return bnx2x_848xx_cmn_config_init(phy, params, vars);
  8454. }
  8455. #define PHY84833_CMDHDLR_WAIT 300
  8456. #define PHY84833_CMDHDLR_MAX_ARGS 5
  8457. static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
  8458. struct link_params *params,
  8459. u16 fw_cmd,
  8460. u16 cmd_args[])
  8461. {
  8462. u32 idx;
  8463. u16 val;
  8464. struct bnx2x *bp = params->bp;
  8465. /* Write CMD_OPEN_OVERRIDE to STATUS reg */
  8466. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8467. MDIO_84833_CMD_HDLR_STATUS,
  8468. PHY84833_STATUS_CMD_OPEN_OVERRIDE);
  8469. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8470. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8471. MDIO_84833_CMD_HDLR_STATUS, &val);
  8472. if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
  8473. break;
  8474. msleep(1);
  8475. }
  8476. if (idx >= PHY84833_CMDHDLR_WAIT) {
  8477. DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
  8478. return -EINVAL;
  8479. }
  8480. /* Prepare argument(s) and issue command */
  8481. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8482. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8483. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8484. cmd_args[idx]);
  8485. }
  8486. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8487. MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
  8488. for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
  8489. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8490. MDIO_84833_CMD_HDLR_STATUS, &val);
  8491. if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
  8492. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
  8493. break;
  8494. msleep(1);
  8495. }
  8496. if ((idx >= PHY84833_CMDHDLR_WAIT) ||
  8497. (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
  8498. DP(NETIF_MSG_LINK, "FW cmd failed.\n");
  8499. return -EINVAL;
  8500. }
  8501. /* Gather returning data */
  8502. for (idx = 0; idx < PHY84833_CMDHDLR_MAX_ARGS; idx++) {
  8503. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8504. MDIO_84833_CMD_HDLR_DATA1 + idx,
  8505. &cmd_args[idx]);
  8506. }
  8507. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8508. MDIO_84833_CMD_HDLR_STATUS,
  8509. PHY84833_STATUS_CMD_CLEAR_COMPLETE);
  8510. return 0;
  8511. }
  8512. static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
  8513. struct link_params *params,
  8514. struct link_vars *vars)
  8515. {
  8516. u32 pair_swap;
  8517. u16 data[PHY84833_CMDHDLR_MAX_ARGS];
  8518. int status;
  8519. struct bnx2x *bp = params->bp;
  8520. /* Check for configuration. */
  8521. pair_swap = REG_RD(bp, params->shmem_base +
  8522. offsetof(struct shmem_region,
  8523. dev_info.port_hw_config[params->port].xgbt_phy_cfg)) &
  8524. PORT_HW_CFG_RJ45_PAIR_SWAP_MASK;
  8525. if (pair_swap == 0)
  8526. return 0;
  8527. /* Only the second argument is used for this command */
  8528. data[1] = (u16)pair_swap;
  8529. status = bnx2x_84833_cmd_hdlr(phy, params,
  8530. PHY84833_CMD_SET_PAIR_SWAP, data);
  8531. if (status == 0)
  8532. DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
  8533. return status;
  8534. }
  8535. static u8 bnx2x_84833_get_reset_gpios(struct bnx2x *bp,
  8536. u32 shmem_base_path[],
  8537. u32 chip_id)
  8538. {
  8539. u32 reset_pin[2];
  8540. u32 idx;
  8541. u8 reset_gpios;
  8542. if (CHIP_IS_E3(bp)) {
  8543. /* Assume that these will be GPIOs, not EPIOs. */
  8544. for (idx = 0; idx < 2; idx++) {
  8545. /* Map config param to register bit. */
  8546. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8547. offsetof(struct shmem_region,
  8548. dev_info.port_hw_config[0].e3_cmn_pin_cfg));
  8549. reset_pin[idx] = (reset_pin[idx] &
  8550. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  8551. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  8552. reset_pin[idx] -= PIN_CFG_GPIO0_P0;
  8553. reset_pin[idx] = (1 << reset_pin[idx]);
  8554. }
  8555. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8556. } else {
  8557. /* E2, look from diff place of shmem. */
  8558. for (idx = 0; idx < 2; idx++) {
  8559. reset_pin[idx] = REG_RD(bp, shmem_base_path[idx] +
  8560. offsetof(struct shmem_region,
  8561. dev_info.port_hw_config[0].default_cfg));
  8562. reset_pin[idx] &= PORT_HW_CFG_EXT_PHY_GPIO_RST_MASK;
  8563. reset_pin[idx] -= PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0;
  8564. reset_pin[idx] >>= PORT_HW_CFG_EXT_PHY_GPIO_RST_SHIFT;
  8565. reset_pin[idx] = (1 << reset_pin[idx]);
  8566. }
  8567. reset_gpios = (u8)(reset_pin[0] | reset_pin[1]);
  8568. }
  8569. return reset_gpios;
  8570. }
  8571. static int bnx2x_84833_hw_reset_phy(struct bnx2x_phy *phy,
  8572. struct link_params *params)
  8573. {
  8574. struct bnx2x *bp = params->bp;
  8575. u8 reset_gpios;
  8576. u32 other_shmem_base_addr = REG_RD(bp, params->shmem2_base +
  8577. offsetof(struct shmem2_region,
  8578. other_shmem_base_addr));
  8579. u32 shmem_base_path[2];
  8580. /* Work around for 84833 LED failure inside RESET status */
  8581. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8582. MDIO_AN_REG_8481_LEGACY_MII_CTRL,
  8583. MDIO_AN_REG_8481_MII_CTRL_FORCE_1G);
  8584. bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD,
  8585. MDIO_AN_REG_8481_1G_100T_EXT_CTRL,
  8586. MIDO_AN_REG_8481_EXT_CTRL_FORCE_LEDS_OFF);
  8587. shmem_base_path[0] = params->shmem_base;
  8588. shmem_base_path[1] = other_shmem_base_addr;
  8589. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path,
  8590. params->chip_id);
  8591. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  8592. udelay(10);
  8593. DP(NETIF_MSG_LINK, "84833 hw reset on pin values 0x%x\n",
  8594. reset_gpios);
  8595. return 0;
  8596. }
  8597. #define PHY84833_CONSTANT_LATENCY 1193
  8598. static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
  8599. struct link_params *params,
  8600. struct link_vars *vars)
  8601. {
  8602. struct bnx2x *bp = params->bp;
  8603. u8 port, initialize = 1;
  8604. u16 val;
  8605. u32 actual_phy_selection, cms_enable;
  8606. u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
  8607. int rc = 0;
  8608. msleep(1);
  8609. if (!(CHIP_IS_E1(bp)))
  8610. port = BP_PATH(bp);
  8611. else
  8612. port = params->port;
  8613. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8614. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8615. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  8616. port);
  8617. } else {
  8618. /* MDIO reset */
  8619. bnx2x_cl45_write(bp, phy,
  8620. MDIO_PMA_DEVAD,
  8621. MDIO_PMA_REG_CTRL, 0x8000);
  8622. }
  8623. bnx2x_wait_reset_complete(bp, phy, params);
  8624. /* Wait for GPHY to come out of reset */
  8625. msleep(50);
  8626. if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8627. /* BCM84823 requires that XGXS links up first @ 10G for normal
  8628. * behavior.
  8629. */
  8630. u16 temp;
  8631. temp = vars->line_speed;
  8632. vars->line_speed = SPEED_10000;
  8633. bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
  8634. bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
  8635. vars->line_speed = temp;
  8636. }
  8637. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8638. MDIO_CTL_REG_84823_MEDIA, &val);
  8639. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8640. MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
  8641. MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
  8642. MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
  8643. MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
  8644. if (CHIP_IS_E3(bp)) {
  8645. val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
  8646. MDIO_CTL_REG_84823_MEDIA_LINE_MASK);
  8647. } else {
  8648. val |= (MDIO_CTL_REG_84823_CTRL_MAC_XFI |
  8649. MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L);
  8650. }
  8651. actual_phy_selection = bnx2x_phy_selection(params);
  8652. switch (actual_phy_selection) {
  8653. case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
  8654. /* Do nothing. Essentially this is like the priority copper */
  8655. break;
  8656. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  8657. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
  8658. break;
  8659. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  8660. val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
  8661. break;
  8662. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  8663. /* Do nothing here. The first PHY won't be initialized at all */
  8664. break;
  8665. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  8666. val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
  8667. initialize = 0;
  8668. break;
  8669. }
  8670. if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
  8671. val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
  8672. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8673. MDIO_CTL_REG_84823_MEDIA, val);
  8674. DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
  8675. params->multi_phy_config, val);
  8676. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8677. bnx2x_84833_pair_swap_cfg(phy, params, vars);
  8678. /* Keep AutogrEEEn disabled. */
  8679. cmd_args[0] = 0x0;
  8680. cmd_args[1] = 0x0;
  8681. cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
  8682. cmd_args[3] = PHY84833_CONSTANT_LATENCY;
  8683. rc = bnx2x_84833_cmd_hdlr(phy, params,
  8684. PHY84833_CMD_SET_EEE_MODE, cmd_args);
  8685. if (rc != 0)
  8686. DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
  8687. }
  8688. if (initialize)
  8689. rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
  8690. else
  8691. bnx2x_save_848xx_spirom_version(phy, bp, params->port);
  8692. /* 84833 PHY has a better feature and doesn't need to support this. */
  8693. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8694. cms_enable = REG_RD(bp, params->shmem_base +
  8695. offsetof(struct shmem_region,
  8696. dev_info.port_hw_config[params->port].default_cfg)) &
  8697. PORT_HW_CFG_ENABLE_CMS_MASK;
  8698. bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
  8699. MDIO_CTL_REG_84823_USER_CTRL_REG, &val);
  8700. if (cms_enable)
  8701. val |= MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8702. else
  8703. val &= ~MDIO_CTL_REG_84823_USER_CTRL_CMS;
  8704. bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
  8705. MDIO_CTL_REG_84823_USER_CTRL_REG, val);
  8706. }
  8707. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) {
  8708. /* Bring PHY out of super isolate mode as the final step. */
  8709. bnx2x_cl45_read(bp, phy,
  8710. MDIO_CTL_DEVAD,
  8711. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  8712. val &= ~MDIO_84833_SUPER_ISOLATE;
  8713. bnx2x_cl45_write(bp, phy,
  8714. MDIO_CTL_DEVAD,
  8715. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  8716. }
  8717. return rc;
  8718. }
  8719. static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
  8720. struct link_params *params,
  8721. struct link_vars *vars)
  8722. {
  8723. struct bnx2x *bp = params->bp;
  8724. u16 val, val1, val2;
  8725. u8 link_up = 0;
  8726. /* Check 10G-BaseT link status */
  8727. /* Check PMD signal ok */
  8728. bnx2x_cl45_read(bp, phy,
  8729. MDIO_AN_DEVAD, 0xFFFA, &val1);
  8730. bnx2x_cl45_read(bp, phy,
  8731. MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
  8732. &val2);
  8733. DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
  8734. /* Check link 10G */
  8735. if (val2 & (1<<11)) {
  8736. vars->line_speed = SPEED_10000;
  8737. vars->duplex = DUPLEX_FULL;
  8738. link_up = 1;
  8739. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  8740. } else { /* Check Legacy speed link */
  8741. u16 legacy_status, legacy_speed;
  8742. /* Enable expansion register 0x42 (Operation mode status) */
  8743. bnx2x_cl45_write(bp, phy,
  8744. MDIO_AN_DEVAD,
  8745. MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
  8746. /* Get legacy speed operation status */
  8747. bnx2x_cl45_read(bp, phy,
  8748. MDIO_AN_DEVAD,
  8749. MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
  8750. &legacy_status);
  8751. DP(NETIF_MSG_LINK, "Legacy speed status = 0x%x\n",
  8752. legacy_status);
  8753. link_up = ((legacy_status & (1<<11)) == (1<<11));
  8754. if (link_up) {
  8755. legacy_speed = (legacy_status & (3<<9));
  8756. if (legacy_speed == (0<<9))
  8757. vars->line_speed = SPEED_10;
  8758. else if (legacy_speed == (1<<9))
  8759. vars->line_speed = SPEED_100;
  8760. else if (legacy_speed == (2<<9))
  8761. vars->line_speed = SPEED_1000;
  8762. else /* Should not happen */
  8763. vars->line_speed = 0;
  8764. if (legacy_status & (1<<8))
  8765. vars->duplex = DUPLEX_FULL;
  8766. else
  8767. vars->duplex = DUPLEX_HALF;
  8768. DP(NETIF_MSG_LINK,
  8769. "Link is up in %dMbps, is_duplex_full= %d\n",
  8770. vars->line_speed,
  8771. (vars->duplex == DUPLEX_FULL));
  8772. /* Check legacy speed AN resolution */
  8773. bnx2x_cl45_read(bp, phy,
  8774. MDIO_AN_DEVAD,
  8775. MDIO_AN_REG_8481_LEGACY_MII_STATUS,
  8776. &val);
  8777. if (val & (1<<5))
  8778. vars->link_status |=
  8779. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  8780. bnx2x_cl45_read(bp, phy,
  8781. MDIO_AN_DEVAD,
  8782. MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
  8783. &val);
  8784. if ((val & (1<<0)) == 0)
  8785. vars->link_status |=
  8786. LINK_STATUS_PARALLEL_DETECTION_USED;
  8787. }
  8788. }
  8789. if (link_up) {
  8790. DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
  8791. vars->line_speed);
  8792. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  8793. /* Read LP advertised speeds */
  8794. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8795. MDIO_AN_REG_CL37_FC_LP, &val);
  8796. if (val & (1<<5))
  8797. vars->link_status |=
  8798. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  8799. if (val & (1<<6))
  8800. vars->link_status |=
  8801. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  8802. if (val & (1<<7))
  8803. vars->link_status |=
  8804. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  8805. if (val & (1<<8))
  8806. vars->link_status |=
  8807. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  8808. if (val & (1<<9))
  8809. vars->link_status |=
  8810. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  8811. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8812. MDIO_AN_REG_1000T_STATUS, &val);
  8813. if (val & (1<<10))
  8814. vars->link_status |=
  8815. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  8816. if (val & (1<<11))
  8817. vars->link_status |=
  8818. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  8819. bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
  8820. MDIO_AN_REG_MASTER_STATUS, &val);
  8821. if (val & (1<<11))
  8822. vars->link_status |=
  8823. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  8824. }
  8825. return link_up;
  8826. }
  8827. static int bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
  8828. {
  8829. int status = 0;
  8830. u32 spirom_ver;
  8831. spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
  8832. status = bnx2x_format_ver(spirom_ver, str, len);
  8833. return status;
  8834. }
  8835. static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
  8836. struct link_params *params)
  8837. {
  8838. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8839. MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
  8840. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  8841. MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
  8842. }
  8843. static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
  8844. struct link_params *params)
  8845. {
  8846. bnx2x_cl45_write(params->bp, phy,
  8847. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
  8848. bnx2x_cl45_write(params->bp, phy,
  8849. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
  8850. }
  8851. static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
  8852. struct link_params *params)
  8853. {
  8854. struct bnx2x *bp = params->bp;
  8855. u8 port;
  8856. u16 val16;
  8857. if (!(CHIP_IS_E1x(bp)))
  8858. port = BP_PATH(bp);
  8859. else
  8860. port = params->port;
  8861. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823) {
  8862. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
  8863. MISC_REGISTERS_GPIO_OUTPUT_LOW,
  8864. port);
  8865. } else {
  8866. bnx2x_cl45_read(bp, phy,
  8867. MDIO_CTL_DEVAD,
  8868. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val16);
  8869. val16 |= MDIO_84833_SUPER_ISOLATE;
  8870. bnx2x_cl45_write(bp, phy,
  8871. MDIO_CTL_DEVAD,
  8872. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val16);
  8873. }
  8874. }
  8875. static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
  8876. struct link_params *params, u8 mode)
  8877. {
  8878. struct bnx2x *bp = params->bp;
  8879. u16 val;
  8880. u8 port;
  8881. if (!(CHIP_IS_E1x(bp)))
  8882. port = BP_PATH(bp);
  8883. else
  8884. port = params->port;
  8885. switch (mode) {
  8886. case LED_MODE_OFF:
  8887. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", port);
  8888. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8889. SHARED_HW_CFG_LED_EXTPHY1) {
  8890. /* Set LED masks */
  8891. bnx2x_cl45_write(bp, phy,
  8892. MDIO_PMA_DEVAD,
  8893. MDIO_PMA_REG_8481_LED1_MASK,
  8894. 0x0);
  8895. bnx2x_cl45_write(bp, phy,
  8896. MDIO_PMA_DEVAD,
  8897. MDIO_PMA_REG_8481_LED2_MASK,
  8898. 0x0);
  8899. bnx2x_cl45_write(bp, phy,
  8900. MDIO_PMA_DEVAD,
  8901. MDIO_PMA_REG_8481_LED3_MASK,
  8902. 0x0);
  8903. bnx2x_cl45_write(bp, phy,
  8904. MDIO_PMA_DEVAD,
  8905. MDIO_PMA_REG_8481_LED5_MASK,
  8906. 0x0);
  8907. } else {
  8908. bnx2x_cl45_write(bp, phy,
  8909. MDIO_PMA_DEVAD,
  8910. MDIO_PMA_REG_8481_LED1_MASK,
  8911. 0x0);
  8912. }
  8913. break;
  8914. case LED_MODE_FRONT_PANEL_OFF:
  8915. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
  8916. port);
  8917. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8918. SHARED_HW_CFG_LED_EXTPHY1) {
  8919. /* Set LED masks */
  8920. bnx2x_cl45_write(bp, phy,
  8921. MDIO_PMA_DEVAD,
  8922. MDIO_PMA_REG_8481_LED1_MASK,
  8923. 0x0);
  8924. bnx2x_cl45_write(bp, phy,
  8925. MDIO_PMA_DEVAD,
  8926. MDIO_PMA_REG_8481_LED2_MASK,
  8927. 0x0);
  8928. bnx2x_cl45_write(bp, phy,
  8929. MDIO_PMA_DEVAD,
  8930. MDIO_PMA_REG_8481_LED3_MASK,
  8931. 0x0);
  8932. bnx2x_cl45_write(bp, phy,
  8933. MDIO_PMA_DEVAD,
  8934. MDIO_PMA_REG_8481_LED5_MASK,
  8935. 0x20);
  8936. } else {
  8937. bnx2x_cl45_write(bp, phy,
  8938. MDIO_PMA_DEVAD,
  8939. MDIO_PMA_REG_8481_LED1_MASK,
  8940. 0x0);
  8941. }
  8942. break;
  8943. case LED_MODE_ON:
  8944. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", port);
  8945. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8946. SHARED_HW_CFG_LED_EXTPHY1) {
  8947. /* Set control reg */
  8948. bnx2x_cl45_read(bp, phy,
  8949. MDIO_PMA_DEVAD,
  8950. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8951. &val);
  8952. val &= 0x8000;
  8953. val |= 0x2492;
  8954. bnx2x_cl45_write(bp, phy,
  8955. MDIO_PMA_DEVAD,
  8956. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8957. val);
  8958. /* Set LED masks */
  8959. bnx2x_cl45_write(bp, phy,
  8960. MDIO_PMA_DEVAD,
  8961. MDIO_PMA_REG_8481_LED1_MASK,
  8962. 0x0);
  8963. bnx2x_cl45_write(bp, phy,
  8964. MDIO_PMA_DEVAD,
  8965. MDIO_PMA_REG_8481_LED2_MASK,
  8966. 0x20);
  8967. bnx2x_cl45_write(bp, phy,
  8968. MDIO_PMA_DEVAD,
  8969. MDIO_PMA_REG_8481_LED3_MASK,
  8970. 0x20);
  8971. bnx2x_cl45_write(bp, phy,
  8972. MDIO_PMA_DEVAD,
  8973. MDIO_PMA_REG_8481_LED5_MASK,
  8974. 0x0);
  8975. } else {
  8976. bnx2x_cl45_write(bp, phy,
  8977. MDIO_PMA_DEVAD,
  8978. MDIO_PMA_REG_8481_LED1_MASK,
  8979. 0x20);
  8980. }
  8981. break;
  8982. case LED_MODE_OPER:
  8983. DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", port);
  8984. if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
  8985. SHARED_HW_CFG_LED_EXTPHY1) {
  8986. /* Set control reg */
  8987. bnx2x_cl45_read(bp, phy,
  8988. MDIO_PMA_DEVAD,
  8989. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8990. &val);
  8991. if (!((val &
  8992. MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
  8993. >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)) {
  8994. DP(NETIF_MSG_LINK, "Setting LINK_SIGNAL\n");
  8995. bnx2x_cl45_write(bp, phy,
  8996. MDIO_PMA_DEVAD,
  8997. MDIO_PMA_REG_8481_LINK_SIGNAL,
  8998. 0xa492);
  8999. }
  9000. /* Set LED masks */
  9001. bnx2x_cl45_write(bp, phy,
  9002. MDIO_PMA_DEVAD,
  9003. MDIO_PMA_REG_8481_LED1_MASK,
  9004. 0x10);
  9005. bnx2x_cl45_write(bp, phy,
  9006. MDIO_PMA_DEVAD,
  9007. MDIO_PMA_REG_8481_LED2_MASK,
  9008. 0x80);
  9009. bnx2x_cl45_write(bp, phy,
  9010. MDIO_PMA_DEVAD,
  9011. MDIO_PMA_REG_8481_LED3_MASK,
  9012. 0x98);
  9013. bnx2x_cl45_write(bp, phy,
  9014. MDIO_PMA_DEVAD,
  9015. MDIO_PMA_REG_8481_LED5_MASK,
  9016. 0x40);
  9017. } else {
  9018. bnx2x_cl45_write(bp, phy,
  9019. MDIO_PMA_DEVAD,
  9020. MDIO_PMA_REG_8481_LED1_MASK,
  9021. 0x80);
  9022. /* Tell LED3 to blink on source */
  9023. bnx2x_cl45_read(bp, phy,
  9024. MDIO_PMA_DEVAD,
  9025. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9026. &val);
  9027. val &= ~(7<<6);
  9028. val |= (1<<6); /* A83B[8:6]= 1 */
  9029. bnx2x_cl45_write(bp, phy,
  9030. MDIO_PMA_DEVAD,
  9031. MDIO_PMA_REG_8481_LINK_SIGNAL,
  9032. val);
  9033. }
  9034. break;
  9035. }
  9036. /* This is a workaround for E3+84833 until autoneg
  9037. * restart is fixed in f/w
  9038. */
  9039. if (CHIP_IS_E3(bp)) {
  9040. bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
  9041. MDIO_WC_REG_GP2_STATUS_GP_2_1, &val);
  9042. }
  9043. }
  9044. /******************************************************************/
  9045. /* 54618SE PHY SECTION */
  9046. /******************************************************************/
  9047. static int bnx2x_54618se_config_init(struct bnx2x_phy *phy,
  9048. struct link_params *params,
  9049. struct link_vars *vars)
  9050. {
  9051. struct bnx2x *bp = params->bp;
  9052. u8 port;
  9053. u16 autoneg_val, an_1000_val, an_10_100_val, fc_val, temp;
  9054. u32 cfg_pin;
  9055. DP(NETIF_MSG_LINK, "54618SE cfg init\n");
  9056. usleep_range(1000, 1000);
  9057. /* This works with E3 only, no need to check the chip
  9058. * before determining the port.
  9059. */
  9060. port = params->port;
  9061. cfg_pin = (REG_RD(bp, params->shmem_base +
  9062. offsetof(struct shmem_region,
  9063. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9064. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9065. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9066. /* Drive pin high to bring the GPHY out of reset. */
  9067. bnx2x_set_cfg_pin(bp, cfg_pin, 1);
  9068. /* wait for GPHY to reset */
  9069. msleep(50);
  9070. /* reset phy */
  9071. bnx2x_cl22_write(bp, phy,
  9072. MDIO_PMA_REG_CTRL, 0x8000);
  9073. bnx2x_wait_reset_complete(bp, phy, params);
  9074. /* Wait for GPHY to reset */
  9075. msleep(50);
  9076. /* Configure LED4: set to INTR (0x6). */
  9077. /* Accessing shadow register 0xe. */
  9078. bnx2x_cl22_write(bp, phy,
  9079. MDIO_REG_GPHY_SHADOW,
  9080. MDIO_REG_GPHY_SHADOW_LED_SEL2);
  9081. bnx2x_cl22_read(bp, phy,
  9082. MDIO_REG_GPHY_SHADOW,
  9083. &temp);
  9084. temp &= ~(0xf << 4);
  9085. temp |= (0x6 << 4);
  9086. bnx2x_cl22_write(bp, phy,
  9087. MDIO_REG_GPHY_SHADOW,
  9088. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9089. /* Configure INTR based on link status change. */
  9090. bnx2x_cl22_write(bp, phy,
  9091. MDIO_REG_INTR_MASK,
  9092. ~MDIO_REG_INTR_MASK_LINK_STATUS);
  9093. /* Flip the signal detect polarity (set 0x1c.0x1e[8]). */
  9094. bnx2x_cl22_write(bp, phy,
  9095. MDIO_REG_GPHY_SHADOW,
  9096. MDIO_REG_GPHY_SHADOW_AUTO_DET_MED);
  9097. bnx2x_cl22_read(bp, phy,
  9098. MDIO_REG_GPHY_SHADOW,
  9099. &temp);
  9100. temp |= MDIO_REG_GPHY_SHADOW_INVERT_FIB_SD;
  9101. bnx2x_cl22_write(bp, phy,
  9102. MDIO_REG_GPHY_SHADOW,
  9103. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9104. /* Set up fc */
  9105. /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
  9106. bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
  9107. fc_val = 0;
  9108. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
  9109. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC)
  9110. fc_val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
  9111. if ((vars->ieee_fc & MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
  9112. MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH)
  9113. fc_val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
  9114. /* read all advertisement */
  9115. bnx2x_cl22_read(bp, phy,
  9116. 0x09,
  9117. &an_1000_val);
  9118. bnx2x_cl22_read(bp, phy,
  9119. 0x04,
  9120. &an_10_100_val);
  9121. bnx2x_cl22_read(bp, phy,
  9122. MDIO_PMA_REG_CTRL,
  9123. &autoneg_val);
  9124. /* Disable forced speed */
  9125. autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
  9126. an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8) | (1<<10) |
  9127. (1<<11));
  9128. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9129. (phy->speed_cap_mask &
  9130. PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
  9131. (phy->req_line_speed == SPEED_1000)) {
  9132. an_1000_val |= (1<<8);
  9133. autoneg_val |= (1<<9 | 1<<12);
  9134. if (phy->req_duplex == DUPLEX_FULL)
  9135. an_1000_val |= (1<<9);
  9136. DP(NETIF_MSG_LINK, "Advertising 1G\n");
  9137. } else
  9138. an_1000_val &= ~((1<<8) | (1<<9));
  9139. bnx2x_cl22_write(bp, phy,
  9140. 0x09,
  9141. an_1000_val);
  9142. bnx2x_cl22_read(bp, phy,
  9143. 0x09,
  9144. &an_1000_val);
  9145. /* set 100 speed advertisement */
  9146. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9147. (phy->speed_cap_mask &
  9148. (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
  9149. PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
  9150. an_10_100_val |= (1<<7);
  9151. /* Enable autoneg and restart autoneg for legacy speeds */
  9152. autoneg_val |= (1<<9 | 1<<12);
  9153. if (phy->req_duplex == DUPLEX_FULL)
  9154. an_10_100_val |= (1<<8);
  9155. DP(NETIF_MSG_LINK, "Advertising 100M\n");
  9156. }
  9157. /* set 10 speed advertisement */
  9158. if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
  9159. (phy->speed_cap_mask &
  9160. (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
  9161. PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
  9162. an_10_100_val |= (1<<5);
  9163. autoneg_val |= (1<<9 | 1<<12);
  9164. if (phy->req_duplex == DUPLEX_FULL)
  9165. an_10_100_val |= (1<<6);
  9166. DP(NETIF_MSG_LINK, "Advertising 10M\n");
  9167. }
  9168. /* Only 10/100 are allowed to work in FORCE mode */
  9169. if (phy->req_line_speed == SPEED_100) {
  9170. autoneg_val |= (1<<13);
  9171. /* Enabled AUTO-MDIX when autoneg is disabled */
  9172. bnx2x_cl22_write(bp, phy,
  9173. 0x18,
  9174. (1<<15 | 1<<9 | 7<<0));
  9175. DP(NETIF_MSG_LINK, "Setting 100M force\n");
  9176. }
  9177. if (phy->req_line_speed == SPEED_10) {
  9178. /* Enabled AUTO-MDIX when autoneg is disabled */
  9179. bnx2x_cl22_write(bp, phy,
  9180. 0x18,
  9181. (1<<15 | 1<<9 | 7<<0));
  9182. DP(NETIF_MSG_LINK, "Setting 10M force\n");
  9183. }
  9184. /* Check if we should turn on Auto-GrEEEn */
  9185. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &temp);
  9186. if (temp == MDIO_REG_GPHY_ID_54618SE) {
  9187. if (params->feature_config_flags &
  9188. FEATURE_CONFIG_AUTOGREEEN_ENABLED) {
  9189. temp = 6;
  9190. DP(NETIF_MSG_LINK, "Enabling Auto-GrEEEn\n");
  9191. } else {
  9192. temp = 0;
  9193. DP(NETIF_MSG_LINK, "Disabling Auto-GrEEEn\n");
  9194. }
  9195. bnx2x_cl22_write(bp, phy,
  9196. MDIO_REG_GPHY_CL45_ADDR_REG, MDIO_AN_DEVAD);
  9197. bnx2x_cl22_write(bp, phy,
  9198. MDIO_REG_GPHY_CL45_DATA_REG,
  9199. MDIO_REG_GPHY_EEE_ADV);
  9200. bnx2x_cl22_write(bp, phy,
  9201. MDIO_REG_GPHY_CL45_ADDR_REG,
  9202. (0x1 << 14) | MDIO_AN_DEVAD);
  9203. bnx2x_cl22_write(bp, phy,
  9204. MDIO_REG_GPHY_CL45_DATA_REG,
  9205. temp);
  9206. }
  9207. bnx2x_cl22_write(bp, phy,
  9208. 0x04,
  9209. an_10_100_val | fc_val);
  9210. if (phy->req_duplex == DUPLEX_FULL)
  9211. autoneg_val |= (1<<8);
  9212. bnx2x_cl22_write(bp, phy,
  9213. MDIO_PMA_REG_CTRL, autoneg_val);
  9214. return 0;
  9215. }
  9216. static void bnx2x_5461x_set_link_led(struct bnx2x_phy *phy,
  9217. struct link_params *params, u8 mode)
  9218. {
  9219. struct bnx2x *bp = params->bp;
  9220. u16 temp;
  9221. bnx2x_cl22_write(bp, phy,
  9222. MDIO_REG_GPHY_SHADOW,
  9223. MDIO_REG_GPHY_SHADOW_LED_SEL1);
  9224. bnx2x_cl22_read(bp, phy,
  9225. MDIO_REG_GPHY_SHADOW,
  9226. &temp);
  9227. temp &= 0xff00;
  9228. DP(NETIF_MSG_LINK, "54618x set link led (mode=%x)\n", mode);
  9229. switch (mode) {
  9230. case LED_MODE_FRONT_PANEL_OFF:
  9231. case LED_MODE_OFF:
  9232. temp |= 0x00ee;
  9233. break;
  9234. case LED_MODE_OPER:
  9235. temp |= 0x0001;
  9236. break;
  9237. case LED_MODE_ON:
  9238. temp |= 0x00ff;
  9239. break;
  9240. default:
  9241. break;
  9242. }
  9243. bnx2x_cl22_write(bp, phy,
  9244. MDIO_REG_GPHY_SHADOW,
  9245. MDIO_REG_GPHY_SHADOW_WR_ENA | temp);
  9246. return;
  9247. }
  9248. static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
  9249. struct link_params *params)
  9250. {
  9251. struct bnx2x *bp = params->bp;
  9252. u32 cfg_pin;
  9253. u8 port;
  9254. /* In case of no EPIO routed to reset the GPHY, put it
  9255. * in low power mode.
  9256. */
  9257. bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
  9258. /* This works with E3 only, no need to check the chip
  9259. * before determining the port.
  9260. */
  9261. port = params->port;
  9262. cfg_pin = (REG_RD(bp, params->shmem_base +
  9263. offsetof(struct shmem_region,
  9264. dev_info.port_hw_config[port].e3_cmn_pin_cfg)) &
  9265. PORT_HW_CFG_E3_PHY_RESET_MASK) >>
  9266. PORT_HW_CFG_E3_PHY_RESET_SHIFT;
  9267. /* Drive pin low to put GPHY in reset. */
  9268. bnx2x_set_cfg_pin(bp, cfg_pin, 0);
  9269. }
  9270. static u8 bnx2x_54618se_read_status(struct bnx2x_phy *phy,
  9271. struct link_params *params,
  9272. struct link_vars *vars)
  9273. {
  9274. struct bnx2x *bp = params->bp;
  9275. u16 val;
  9276. u8 link_up = 0;
  9277. u16 legacy_status, legacy_speed;
  9278. /* Get speed operation status */
  9279. bnx2x_cl22_read(bp, phy,
  9280. 0x19,
  9281. &legacy_status);
  9282. DP(NETIF_MSG_LINK, "54618SE read_status: 0x%x\n", legacy_status);
  9283. /* Read status to clear the PHY interrupt. */
  9284. bnx2x_cl22_read(bp, phy,
  9285. MDIO_REG_INTR_STATUS,
  9286. &val);
  9287. link_up = ((legacy_status & (1<<2)) == (1<<2));
  9288. if (link_up) {
  9289. legacy_speed = (legacy_status & (7<<8));
  9290. if (legacy_speed == (7<<8)) {
  9291. vars->line_speed = SPEED_1000;
  9292. vars->duplex = DUPLEX_FULL;
  9293. } else if (legacy_speed == (6<<8)) {
  9294. vars->line_speed = SPEED_1000;
  9295. vars->duplex = DUPLEX_HALF;
  9296. } else if (legacy_speed == (5<<8)) {
  9297. vars->line_speed = SPEED_100;
  9298. vars->duplex = DUPLEX_FULL;
  9299. }
  9300. /* Omitting 100Base-T4 for now */
  9301. else if (legacy_speed == (3<<8)) {
  9302. vars->line_speed = SPEED_100;
  9303. vars->duplex = DUPLEX_HALF;
  9304. } else if (legacy_speed == (2<<8)) {
  9305. vars->line_speed = SPEED_10;
  9306. vars->duplex = DUPLEX_FULL;
  9307. } else if (legacy_speed == (1<<8)) {
  9308. vars->line_speed = SPEED_10;
  9309. vars->duplex = DUPLEX_HALF;
  9310. } else /* Should not happen */
  9311. vars->line_speed = 0;
  9312. DP(NETIF_MSG_LINK,
  9313. "Link is up in %dMbps, is_duplex_full= %d\n",
  9314. vars->line_speed,
  9315. (vars->duplex == DUPLEX_FULL));
  9316. /* Check legacy speed AN resolution */
  9317. bnx2x_cl22_read(bp, phy,
  9318. 0x01,
  9319. &val);
  9320. if (val & (1<<5))
  9321. vars->link_status |=
  9322. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
  9323. bnx2x_cl22_read(bp, phy,
  9324. 0x06,
  9325. &val);
  9326. if ((val & (1<<0)) == 0)
  9327. vars->link_status |=
  9328. LINK_STATUS_PARALLEL_DETECTION_USED;
  9329. DP(NETIF_MSG_LINK, "BCM54618SE: link speed is %d\n",
  9330. vars->line_speed);
  9331. /* Report whether EEE is resolved. */
  9332. bnx2x_cl22_read(bp, phy, MDIO_REG_GPHY_PHYID_LSB, &val);
  9333. if (val == MDIO_REG_GPHY_ID_54618SE) {
  9334. if (vars->link_status &
  9335. LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
  9336. val = 0;
  9337. else {
  9338. bnx2x_cl22_write(bp, phy,
  9339. MDIO_REG_GPHY_CL45_ADDR_REG,
  9340. MDIO_AN_DEVAD);
  9341. bnx2x_cl22_write(bp, phy,
  9342. MDIO_REG_GPHY_CL45_DATA_REG,
  9343. MDIO_REG_GPHY_EEE_RESOLVED);
  9344. bnx2x_cl22_write(bp, phy,
  9345. MDIO_REG_GPHY_CL45_ADDR_REG,
  9346. (0x1 << 14) | MDIO_AN_DEVAD);
  9347. bnx2x_cl22_read(bp, phy,
  9348. MDIO_REG_GPHY_CL45_DATA_REG,
  9349. &val);
  9350. }
  9351. DP(NETIF_MSG_LINK, "EEE resolution: 0x%x\n", val);
  9352. }
  9353. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9354. if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
  9355. /* Report LP advertised speeds */
  9356. bnx2x_cl22_read(bp, phy, 0x5, &val);
  9357. if (val & (1<<5))
  9358. vars->link_status |=
  9359. LINK_STATUS_LINK_PARTNER_10THD_CAPABLE;
  9360. if (val & (1<<6))
  9361. vars->link_status |=
  9362. LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE;
  9363. if (val & (1<<7))
  9364. vars->link_status |=
  9365. LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE;
  9366. if (val & (1<<8))
  9367. vars->link_status |=
  9368. LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE;
  9369. if (val & (1<<9))
  9370. vars->link_status |=
  9371. LINK_STATUS_LINK_PARTNER_100T4_CAPABLE;
  9372. bnx2x_cl22_read(bp, phy, 0xa, &val);
  9373. if (val & (1<<10))
  9374. vars->link_status |=
  9375. LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE;
  9376. if (val & (1<<11))
  9377. vars->link_status |=
  9378. LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE;
  9379. }
  9380. }
  9381. return link_up;
  9382. }
  9383. static void bnx2x_54618se_config_loopback(struct bnx2x_phy *phy,
  9384. struct link_params *params)
  9385. {
  9386. struct bnx2x *bp = params->bp;
  9387. u16 val;
  9388. u32 umac_base = params->port ? GRCBASE_UMAC1 : GRCBASE_UMAC0;
  9389. DP(NETIF_MSG_LINK, "2PMA/PMD ext_phy_loopback: 54618se\n");
  9390. /* Enable master/slave manual mmode and set to master */
  9391. /* mii write 9 [bits set 11 12] */
  9392. bnx2x_cl22_write(bp, phy, 0x09, 3<<11);
  9393. /* forced 1G and disable autoneg */
  9394. /* set val [mii read 0] */
  9395. /* set val [expr $val & [bits clear 6 12 13]] */
  9396. /* set val [expr $val | [bits set 6 8]] */
  9397. /* mii write 0 $val */
  9398. bnx2x_cl22_read(bp, phy, 0x00, &val);
  9399. val &= ~((1<<6) | (1<<12) | (1<<13));
  9400. val |= (1<<6) | (1<<8);
  9401. bnx2x_cl22_write(bp, phy, 0x00, val);
  9402. /* Set external loopback and Tx using 6dB coding */
  9403. /* mii write 0x18 7 */
  9404. /* set val [mii read 0x18] */
  9405. /* mii write 0x18 [expr $val | [bits set 10 15]] */
  9406. bnx2x_cl22_write(bp, phy, 0x18, 7);
  9407. bnx2x_cl22_read(bp, phy, 0x18, &val);
  9408. bnx2x_cl22_write(bp, phy, 0x18, val | (1<<10) | (1<<15));
  9409. /* This register opens the gate for the UMAC despite its name */
  9410. REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4, 1);
  9411. /* Maximum Frame Length (RW). Defines a 14-Bit maximum frame
  9412. * length used by the MAC receive logic to check frames.
  9413. */
  9414. REG_WR(bp, umac_base + UMAC_REG_MAXFR, 0x2710);
  9415. }
  9416. /******************************************************************/
  9417. /* SFX7101 PHY SECTION */
  9418. /******************************************************************/
  9419. static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
  9420. struct link_params *params)
  9421. {
  9422. struct bnx2x *bp = params->bp;
  9423. /* SFX7101_XGXS_TEST1 */
  9424. bnx2x_cl45_write(bp, phy,
  9425. MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
  9426. }
  9427. static int bnx2x_7101_config_init(struct bnx2x_phy *phy,
  9428. struct link_params *params,
  9429. struct link_vars *vars)
  9430. {
  9431. u16 fw_ver1, fw_ver2, val;
  9432. struct bnx2x *bp = params->bp;
  9433. DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
  9434. /* Restore normal power mode*/
  9435. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  9436. MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
  9437. /* HW reset */
  9438. bnx2x_ext_phy_hw_reset(bp, params->port);
  9439. bnx2x_wait_reset_complete(bp, phy, params);
  9440. bnx2x_cl45_write(bp, phy,
  9441. MDIO_PMA_DEVAD, MDIO_PMA_LASI_CTRL, 0x1);
  9442. DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
  9443. bnx2x_cl45_write(bp, phy,
  9444. MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
  9445. bnx2x_ext_phy_set_pause(params, phy, vars);
  9446. /* Restart autoneg */
  9447. bnx2x_cl45_read(bp, phy,
  9448. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
  9449. val |= 0x200;
  9450. bnx2x_cl45_write(bp, phy,
  9451. MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
  9452. /* Save spirom version */
  9453. bnx2x_cl45_read(bp, phy,
  9454. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
  9455. bnx2x_cl45_read(bp, phy,
  9456. MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
  9457. bnx2x_save_spirom_version(bp, params->port,
  9458. (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
  9459. return 0;
  9460. }
  9461. static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
  9462. struct link_params *params,
  9463. struct link_vars *vars)
  9464. {
  9465. struct bnx2x *bp = params->bp;
  9466. u8 link_up;
  9467. u16 val1, val2;
  9468. bnx2x_cl45_read(bp, phy,
  9469. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val2);
  9470. bnx2x_cl45_read(bp, phy,
  9471. MDIO_PMA_DEVAD, MDIO_PMA_LASI_STAT, &val1);
  9472. DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
  9473. val2, val1);
  9474. bnx2x_cl45_read(bp, phy,
  9475. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
  9476. bnx2x_cl45_read(bp, phy,
  9477. MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
  9478. DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
  9479. val2, val1);
  9480. link_up = ((val1 & 4) == 4);
  9481. /* if link is up print the AN outcome of the SFX7101 PHY */
  9482. if (link_up) {
  9483. bnx2x_cl45_read(bp, phy,
  9484. MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
  9485. &val2);
  9486. vars->line_speed = SPEED_10000;
  9487. vars->duplex = DUPLEX_FULL;
  9488. DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
  9489. val2, (val2 & (1<<14)));
  9490. bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
  9491. bnx2x_ext_phy_resolve_fc(phy, params, vars);
  9492. /* read LP advertised speeds */
  9493. if (val2 & (1<<11))
  9494. vars->link_status |=
  9495. LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
  9496. }
  9497. return link_up;
  9498. }
  9499. static int bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
  9500. {
  9501. if (*len < 5)
  9502. return -EINVAL;
  9503. str[0] = (spirom_ver & 0xFF);
  9504. str[1] = (spirom_ver & 0xFF00) >> 8;
  9505. str[2] = (spirom_ver & 0xFF0000) >> 16;
  9506. str[3] = (spirom_ver & 0xFF000000) >> 24;
  9507. str[4] = '\0';
  9508. *len -= 5;
  9509. return 0;
  9510. }
  9511. void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
  9512. {
  9513. u16 val, cnt;
  9514. bnx2x_cl45_read(bp, phy,
  9515. MDIO_PMA_DEVAD,
  9516. MDIO_PMA_REG_7101_RESET, &val);
  9517. for (cnt = 0; cnt < 10; cnt++) {
  9518. msleep(50);
  9519. /* Writes a self-clearing reset */
  9520. bnx2x_cl45_write(bp, phy,
  9521. MDIO_PMA_DEVAD,
  9522. MDIO_PMA_REG_7101_RESET,
  9523. (val | (1<<15)));
  9524. /* Wait for clear */
  9525. bnx2x_cl45_read(bp, phy,
  9526. MDIO_PMA_DEVAD,
  9527. MDIO_PMA_REG_7101_RESET, &val);
  9528. if ((val & (1<<15)) == 0)
  9529. break;
  9530. }
  9531. }
  9532. static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
  9533. struct link_params *params) {
  9534. /* Low power mode is controlled by GPIO 2 */
  9535. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
  9536. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9537. /* The PHY reset is controlled by GPIO 1 */
  9538. bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
  9539. MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
  9540. }
  9541. static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
  9542. struct link_params *params, u8 mode)
  9543. {
  9544. u16 val = 0;
  9545. struct bnx2x *bp = params->bp;
  9546. switch (mode) {
  9547. case LED_MODE_FRONT_PANEL_OFF:
  9548. case LED_MODE_OFF:
  9549. val = 2;
  9550. break;
  9551. case LED_MODE_ON:
  9552. val = 1;
  9553. break;
  9554. case LED_MODE_OPER:
  9555. val = 0;
  9556. break;
  9557. }
  9558. bnx2x_cl45_write(bp, phy,
  9559. MDIO_PMA_DEVAD,
  9560. MDIO_PMA_REG_7107_LINK_LED_CNTL,
  9561. val);
  9562. }
  9563. /******************************************************************/
  9564. /* STATIC PHY DECLARATION */
  9565. /******************************************************************/
  9566. static struct bnx2x_phy phy_null = {
  9567. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
  9568. .addr = 0,
  9569. .def_md_devad = 0,
  9570. .flags = FLAGS_INIT_XGXS_FIRST,
  9571. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9572. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9573. .mdio_ctrl = 0,
  9574. .supported = 0,
  9575. .media_type = ETH_PHY_NOT_PRESENT,
  9576. .ver_addr = 0,
  9577. .req_flow_ctrl = 0,
  9578. .req_line_speed = 0,
  9579. .speed_cap_mask = 0,
  9580. .req_duplex = 0,
  9581. .rsrv = 0,
  9582. .config_init = (config_init_t)NULL,
  9583. .read_status = (read_status_t)NULL,
  9584. .link_reset = (link_reset_t)NULL,
  9585. .config_loopback = (config_loopback_t)NULL,
  9586. .format_fw_ver = (format_fw_ver_t)NULL,
  9587. .hw_reset = (hw_reset_t)NULL,
  9588. .set_link_led = (set_link_led_t)NULL,
  9589. .phy_specific_func = (phy_specific_func_t)NULL
  9590. };
  9591. static struct bnx2x_phy phy_serdes = {
  9592. .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
  9593. .addr = 0xff,
  9594. .def_md_devad = 0,
  9595. .flags = 0,
  9596. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9597. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9598. .mdio_ctrl = 0,
  9599. .supported = (SUPPORTED_10baseT_Half |
  9600. SUPPORTED_10baseT_Full |
  9601. SUPPORTED_100baseT_Half |
  9602. SUPPORTED_100baseT_Full |
  9603. SUPPORTED_1000baseT_Full |
  9604. SUPPORTED_2500baseX_Full |
  9605. SUPPORTED_TP |
  9606. SUPPORTED_Autoneg |
  9607. SUPPORTED_Pause |
  9608. SUPPORTED_Asym_Pause),
  9609. .media_type = ETH_PHY_BASE_T,
  9610. .ver_addr = 0,
  9611. .req_flow_ctrl = 0,
  9612. .req_line_speed = 0,
  9613. .speed_cap_mask = 0,
  9614. .req_duplex = 0,
  9615. .rsrv = 0,
  9616. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9617. .read_status = (read_status_t)bnx2x_link_settings_status,
  9618. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9619. .config_loopback = (config_loopback_t)NULL,
  9620. .format_fw_ver = (format_fw_ver_t)NULL,
  9621. .hw_reset = (hw_reset_t)NULL,
  9622. .set_link_led = (set_link_led_t)NULL,
  9623. .phy_specific_func = (phy_specific_func_t)NULL
  9624. };
  9625. static struct bnx2x_phy phy_xgxs = {
  9626. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9627. .addr = 0xff,
  9628. .def_md_devad = 0,
  9629. .flags = 0,
  9630. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9631. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9632. .mdio_ctrl = 0,
  9633. .supported = (SUPPORTED_10baseT_Half |
  9634. SUPPORTED_10baseT_Full |
  9635. SUPPORTED_100baseT_Half |
  9636. SUPPORTED_100baseT_Full |
  9637. SUPPORTED_1000baseT_Full |
  9638. SUPPORTED_2500baseX_Full |
  9639. SUPPORTED_10000baseT_Full |
  9640. SUPPORTED_FIBRE |
  9641. SUPPORTED_Autoneg |
  9642. SUPPORTED_Pause |
  9643. SUPPORTED_Asym_Pause),
  9644. .media_type = ETH_PHY_CX4,
  9645. .ver_addr = 0,
  9646. .req_flow_ctrl = 0,
  9647. .req_line_speed = 0,
  9648. .speed_cap_mask = 0,
  9649. .req_duplex = 0,
  9650. .rsrv = 0,
  9651. .config_init = (config_init_t)bnx2x_xgxs_config_init,
  9652. .read_status = (read_status_t)bnx2x_link_settings_status,
  9653. .link_reset = (link_reset_t)bnx2x_int_link_reset,
  9654. .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
  9655. .format_fw_ver = (format_fw_ver_t)NULL,
  9656. .hw_reset = (hw_reset_t)NULL,
  9657. .set_link_led = (set_link_led_t)NULL,
  9658. .phy_specific_func = (phy_specific_func_t)NULL
  9659. };
  9660. static struct bnx2x_phy phy_warpcore = {
  9661. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
  9662. .addr = 0xff,
  9663. .def_md_devad = 0,
  9664. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9665. FLAGS_TX_ERROR_CHECK),
  9666. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9667. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9668. .mdio_ctrl = 0,
  9669. .supported = (SUPPORTED_10baseT_Half |
  9670. SUPPORTED_10baseT_Full |
  9671. SUPPORTED_100baseT_Half |
  9672. SUPPORTED_100baseT_Full |
  9673. SUPPORTED_1000baseT_Full |
  9674. SUPPORTED_10000baseT_Full |
  9675. SUPPORTED_20000baseKR2_Full |
  9676. SUPPORTED_20000baseMLD2_Full |
  9677. SUPPORTED_FIBRE |
  9678. SUPPORTED_Autoneg |
  9679. SUPPORTED_Pause |
  9680. SUPPORTED_Asym_Pause),
  9681. .media_type = ETH_PHY_UNSPECIFIED,
  9682. .ver_addr = 0,
  9683. .req_flow_ctrl = 0,
  9684. .req_line_speed = 0,
  9685. .speed_cap_mask = 0,
  9686. /* req_duplex = */0,
  9687. /* rsrv = */0,
  9688. .config_init = (config_init_t)bnx2x_warpcore_config_init,
  9689. .read_status = (read_status_t)bnx2x_warpcore_read_status,
  9690. .link_reset = (link_reset_t)bnx2x_warpcore_link_reset,
  9691. .config_loopback = (config_loopback_t)bnx2x_set_warpcore_loopback,
  9692. .format_fw_ver = (format_fw_ver_t)NULL,
  9693. .hw_reset = (hw_reset_t)bnx2x_warpcore_hw_reset,
  9694. .set_link_led = (set_link_led_t)NULL,
  9695. .phy_specific_func = (phy_specific_func_t)NULL
  9696. };
  9697. static struct bnx2x_phy phy_7101 = {
  9698. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
  9699. .addr = 0xff,
  9700. .def_md_devad = 0,
  9701. .flags = FLAGS_FAN_FAILURE_DET_REQ,
  9702. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9703. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9704. .mdio_ctrl = 0,
  9705. .supported = (SUPPORTED_10000baseT_Full |
  9706. SUPPORTED_TP |
  9707. SUPPORTED_Autoneg |
  9708. SUPPORTED_Pause |
  9709. SUPPORTED_Asym_Pause),
  9710. .media_type = ETH_PHY_BASE_T,
  9711. .ver_addr = 0,
  9712. .req_flow_ctrl = 0,
  9713. .req_line_speed = 0,
  9714. .speed_cap_mask = 0,
  9715. .req_duplex = 0,
  9716. .rsrv = 0,
  9717. .config_init = (config_init_t)bnx2x_7101_config_init,
  9718. .read_status = (read_status_t)bnx2x_7101_read_status,
  9719. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9720. .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
  9721. .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
  9722. .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
  9723. .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
  9724. .phy_specific_func = (phy_specific_func_t)NULL
  9725. };
  9726. static struct bnx2x_phy phy_8073 = {
  9727. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
  9728. .addr = 0xff,
  9729. .def_md_devad = 0,
  9730. .flags = FLAGS_HW_LOCK_REQUIRED,
  9731. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9732. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9733. .mdio_ctrl = 0,
  9734. .supported = (SUPPORTED_10000baseT_Full |
  9735. SUPPORTED_2500baseX_Full |
  9736. SUPPORTED_1000baseT_Full |
  9737. SUPPORTED_FIBRE |
  9738. SUPPORTED_Autoneg |
  9739. SUPPORTED_Pause |
  9740. SUPPORTED_Asym_Pause),
  9741. .media_type = ETH_PHY_KR,
  9742. .ver_addr = 0,
  9743. .req_flow_ctrl = 0,
  9744. .req_line_speed = 0,
  9745. .speed_cap_mask = 0,
  9746. .req_duplex = 0,
  9747. .rsrv = 0,
  9748. .config_init = (config_init_t)bnx2x_8073_config_init,
  9749. .read_status = (read_status_t)bnx2x_8073_read_status,
  9750. .link_reset = (link_reset_t)bnx2x_8073_link_reset,
  9751. .config_loopback = (config_loopback_t)NULL,
  9752. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9753. .hw_reset = (hw_reset_t)NULL,
  9754. .set_link_led = (set_link_led_t)NULL,
  9755. .phy_specific_func = (phy_specific_func_t)NULL
  9756. };
  9757. static struct bnx2x_phy phy_8705 = {
  9758. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
  9759. .addr = 0xff,
  9760. .def_md_devad = 0,
  9761. .flags = FLAGS_INIT_XGXS_FIRST,
  9762. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9763. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9764. .mdio_ctrl = 0,
  9765. .supported = (SUPPORTED_10000baseT_Full |
  9766. SUPPORTED_FIBRE |
  9767. SUPPORTED_Pause |
  9768. SUPPORTED_Asym_Pause),
  9769. .media_type = ETH_PHY_XFP_FIBER,
  9770. .ver_addr = 0,
  9771. .req_flow_ctrl = 0,
  9772. .req_line_speed = 0,
  9773. .speed_cap_mask = 0,
  9774. .req_duplex = 0,
  9775. .rsrv = 0,
  9776. .config_init = (config_init_t)bnx2x_8705_config_init,
  9777. .read_status = (read_status_t)bnx2x_8705_read_status,
  9778. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9779. .config_loopback = (config_loopback_t)NULL,
  9780. .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
  9781. .hw_reset = (hw_reset_t)NULL,
  9782. .set_link_led = (set_link_led_t)NULL,
  9783. .phy_specific_func = (phy_specific_func_t)NULL
  9784. };
  9785. static struct bnx2x_phy phy_8706 = {
  9786. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
  9787. .addr = 0xff,
  9788. .def_md_devad = 0,
  9789. .flags = FLAGS_INIT_XGXS_FIRST,
  9790. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9791. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9792. .mdio_ctrl = 0,
  9793. .supported = (SUPPORTED_10000baseT_Full |
  9794. SUPPORTED_1000baseT_Full |
  9795. SUPPORTED_FIBRE |
  9796. SUPPORTED_Pause |
  9797. SUPPORTED_Asym_Pause),
  9798. .media_type = ETH_PHY_SFP_FIBER,
  9799. .ver_addr = 0,
  9800. .req_flow_ctrl = 0,
  9801. .req_line_speed = 0,
  9802. .speed_cap_mask = 0,
  9803. .req_duplex = 0,
  9804. .rsrv = 0,
  9805. .config_init = (config_init_t)bnx2x_8706_config_init,
  9806. .read_status = (read_status_t)bnx2x_8706_read_status,
  9807. .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
  9808. .config_loopback = (config_loopback_t)NULL,
  9809. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9810. .hw_reset = (hw_reset_t)NULL,
  9811. .set_link_led = (set_link_led_t)NULL,
  9812. .phy_specific_func = (phy_specific_func_t)NULL
  9813. };
  9814. static struct bnx2x_phy phy_8726 = {
  9815. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
  9816. .addr = 0xff,
  9817. .def_md_devad = 0,
  9818. .flags = (FLAGS_HW_LOCK_REQUIRED |
  9819. FLAGS_INIT_XGXS_FIRST |
  9820. FLAGS_TX_ERROR_CHECK),
  9821. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9822. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9823. .mdio_ctrl = 0,
  9824. .supported = (SUPPORTED_10000baseT_Full |
  9825. SUPPORTED_1000baseT_Full |
  9826. SUPPORTED_Autoneg |
  9827. SUPPORTED_FIBRE |
  9828. SUPPORTED_Pause |
  9829. SUPPORTED_Asym_Pause),
  9830. .media_type = ETH_PHY_NOT_PRESENT,
  9831. .ver_addr = 0,
  9832. .req_flow_ctrl = 0,
  9833. .req_line_speed = 0,
  9834. .speed_cap_mask = 0,
  9835. .req_duplex = 0,
  9836. .rsrv = 0,
  9837. .config_init = (config_init_t)bnx2x_8726_config_init,
  9838. .read_status = (read_status_t)bnx2x_8726_read_status,
  9839. .link_reset = (link_reset_t)bnx2x_8726_link_reset,
  9840. .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
  9841. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9842. .hw_reset = (hw_reset_t)NULL,
  9843. .set_link_led = (set_link_led_t)NULL,
  9844. .phy_specific_func = (phy_specific_func_t)NULL
  9845. };
  9846. static struct bnx2x_phy phy_8727 = {
  9847. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
  9848. .addr = 0xff,
  9849. .def_md_devad = 0,
  9850. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9851. FLAGS_TX_ERROR_CHECK),
  9852. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9853. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9854. .mdio_ctrl = 0,
  9855. .supported = (SUPPORTED_10000baseT_Full |
  9856. SUPPORTED_1000baseT_Full |
  9857. SUPPORTED_FIBRE |
  9858. SUPPORTED_Pause |
  9859. SUPPORTED_Asym_Pause),
  9860. .media_type = ETH_PHY_NOT_PRESENT,
  9861. .ver_addr = 0,
  9862. .req_flow_ctrl = 0,
  9863. .req_line_speed = 0,
  9864. .speed_cap_mask = 0,
  9865. .req_duplex = 0,
  9866. .rsrv = 0,
  9867. .config_init = (config_init_t)bnx2x_8727_config_init,
  9868. .read_status = (read_status_t)bnx2x_8727_read_status,
  9869. .link_reset = (link_reset_t)bnx2x_8727_link_reset,
  9870. .config_loopback = (config_loopback_t)NULL,
  9871. .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
  9872. .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
  9873. .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
  9874. .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
  9875. };
  9876. static struct bnx2x_phy phy_8481 = {
  9877. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
  9878. .addr = 0xff,
  9879. .def_md_devad = 0,
  9880. .flags = FLAGS_FAN_FAILURE_DET_REQ |
  9881. FLAGS_REARM_LATCH_SIGNAL,
  9882. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9883. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9884. .mdio_ctrl = 0,
  9885. .supported = (SUPPORTED_10baseT_Half |
  9886. SUPPORTED_10baseT_Full |
  9887. SUPPORTED_100baseT_Half |
  9888. SUPPORTED_100baseT_Full |
  9889. SUPPORTED_1000baseT_Full |
  9890. SUPPORTED_10000baseT_Full |
  9891. SUPPORTED_TP |
  9892. SUPPORTED_Autoneg |
  9893. SUPPORTED_Pause |
  9894. SUPPORTED_Asym_Pause),
  9895. .media_type = ETH_PHY_BASE_T,
  9896. .ver_addr = 0,
  9897. .req_flow_ctrl = 0,
  9898. .req_line_speed = 0,
  9899. .speed_cap_mask = 0,
  9900. .req_duplex = 0,
  9901. .rsrv = 0,
  9902. .config_init = (config_init_t)bnx2x_8481_config_init,
  9903. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9904. .link_reset = (link_reset_t)bnx2x_8481_link_reset,
  9905. .config_loopback = (config_loopback_t)NULL,
  9906. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9907. .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
  9908. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9909. .phy_specific_func = (phy_specific_func_t)NULL
  9910. };
  9911. static struct bnx2x_phy phy_84823 = {
  9912. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
  9913. .addr = 0xff,
  9914. .def_md_devad = 0,
  9915. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9916. FLAGS_REARM_LATCH_SIGNAL |
  9917. FLAGS_TX_ERROR_CHECK),
  9918. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9919. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9920. .mdio_ctrl = 0,
  9921. .supported = (SUPPORTED_10baseT_Half |
  9922. SUPPORTED_10baseT_Full |
  9923. SUPPORTED_100baseT_Half |
  9924. SUPPORTED_100baseT_Full |
  9925. SUPPORTED_1000baseT_Full |
  9926. SUPPORTED_10000baseT_Full |
  9927. SUPPORTED_TP |
  9928. SUPPORTED_Autoneg |
  9929. SUPPORTED_Pause |
  9930. SUPPORTED_Asym_Pause),
  9931. .media_type = ETH_PHY_BASE_T,
  9932. .ver_addr = 0,
  9933. .req_flow_ctrl = 0,
  9934. .req_line_speed = 0,
  9935. .speed_cap_mask = 0,
  9936. .req_duplex = 0,
  9937. .rsrv = 0,
  9938. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9939. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9940. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9941. .config_loopback = (config_loopback_t)NULL,
  9942. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9943. .hw_reset = (hw_reset_t)NULL,
  9944. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9945. .phy_specific_func = (phy_specific_func_t)NULL
  9946. };
  9947. static struct bnx2x_phy phy_84833 = {
  9948. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833,
  9949. .addr = 0xff,
  9950. .def_md_devad = 0,
  9951. .flags = (FLAGS_FAN_FAILURE_DET_REQ |
  9952. FLAGS_REARM_LATCH_SIGNAL |
  9953. FLAGS_TX_ERROR_CHECK),
  9954. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9955. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9956. .mdio_ctrl = 0,
  9957. .supported = (SUPPORTED_100baseT_Half |
  9958. SUPPORTED_100baseT_Full |
  9959. SUPPORTED_1000baseT_Full |
  9960. SUPPORTED_10000baseT_Full |
  9961. SUPPORTED_TP |
  9962. SUPPORTED_Autoneg |
  9963. SUPPORTED_Pause |
  9964. SUPPORTED_Asym_Pause),
  9965. .media_type = ETH_PHY_BASE_T,
  9966. .ver_addr = 0,
  9967. .req_flow_ctrl = 0,
  9968. .req_line_speed = 0,
  9969. .speed_cap_mask = 0,
  9970. .req_duplex = 0,
  9971. .rsrv = 0,
  9972. .config_init = (config_init_t)bnx2x_848x3_config_init,
  9973. .read_status = (read_status_t)bnx2x_848xx_read_status,
  9974. .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
  9975. .config_loopback = (config_loopback_t)NULL,
  9976. .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
  9977. .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
  9978. .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
  9979. .phy_specific_func = (phy_specific_func_t)NULL
  9980. };
  9981. static struct bnx2x_phy phy_54618se = {
  9982. .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
  9983. .addr = 0xff,
  9984. .def_md_devad = 0,
  9985. .flags = FLAGS_INIT_XGXS_FIRST,
  9986. .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9987. .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
  9988. .mdio_ctrl = 0,
  9989. .supported = (SUPPORTED_10baseT_Half |
  9990. SUPPORTED_10baseT_Full |
  9991. SUPPORTED_100baseT_Half |
  9992. SUPPORTED_100baseT_Full |
  9993. SUPPORTED_1000baseT_Full |
  9994. SUPPORTED_TP |
  9995. SUPPORTED_Autoneg |
  9996. SUPPORTED_Pause |
  9997. SUPPORTED_Asym_Pause),
  9998. .media_type = ETH_PHY_BASE_T,
  9999. .ver_addr = 0,
  10000. .req_flow_ctrl = 0,
  10001. .req_line_speed = 0,
  10002. .speed_cap_mask = 0,
  10003. /* req_duplex = */0,
  10004. /* rsrv = */0,
  10005. .config_init = (config_init_t)bnx2x_54618se_config_init,
  10006. .read_status = (read_status_t)bnx2x_54618se_read_status,
  10007. .link_reset = (link_reset_t)bnx2x_54618se_link_reset,
  10008. .config_loopback = (config_loopback_t)bnx2x_54618se_config_loopback,
  10009. .format_fw_ver = (format_fw_ver_t)NULL,
  10010. .hw_reset = (hw_reset_t)NULL,
  10011. .set_link_led = (set_link_led_t)bnx2x_5461x_set_link_led,
  10012. .phy_specific_func = (phy_specific_func_t)NULL
  10013. };
  10014. /*****************************************************************/
  10015. /* */
  10016. /* Populate the phy according. Main function: bnx2x_populate_phy */
  10017. /* */
  10018. /*****************************************************************/
  10019. static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
  10020. struct bnx2x_phy *phy, u8 port,
  10021. u8 phy_index)
  10022. {
  10023. /* Get the 4 lanes xgxs config rx and tx */
  10024. u32 rx = 0, tx = 0, i;
  10025. for (i = 0; i < 2; i++) {
  10026. /* INT_PHY and EXT_PHY1 share the same value location in
  10027. * the shmem. When num_phys is greater than 1, than this value
  10028. * applies only to EXT_PHY1
  10029. */
  10030. if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
  10031. rx = REG_RD(bp, shmem_base +
  10032. offsetof(struct shmem_region,
  10033. dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
  10034. tx = REG_RD(bp, shmem_base +
  10035. offsetof(struct shmem_region,
  10036. dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
  10037. } else {
  10038. rx = REG_RD(bp, shmem_base +
  10039. offsetof(struct shmem_region,
  10040. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10041. tx = REG_RD(bp, shmem_base +
  10042. offsetof(struct shmem_region,
  10043. dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
  10044. }
  10045. phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
  10046. phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
  10047. phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
  10048. phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
  10049. }
  10050. }
  10051. static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
  10052. u8 phy_index, u8 port)
  10053. {
  10054. u32 ext_phy_config = 0;
  10055. switch (phy_index) {
  10056. case EXT_PHY1:
  10057. ext_phy_config = REG_RD(bp, shmem_base +
  10058. offsetof(struct shmem_region,
  10059. dev_info.port_hw_config[port].external_phy_config));
  10060. break;
  10061. case EXT_PHY2:
  10062. ext_phy_config = REG_RD(bp, shmem_base +
  10063. offsetof(struct shmem_region,
  10064. dev_info.port_hw_config[port].external_phy_config2));
  10065. break;
  10066. default:
  10067. DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
  10068. return -EINVAL;
  10069. }
  10070. return ext_phy_config;
  10071. }
  10072. static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
  10073. struct bnx2x_phy *phy)
  10074. {
  10075. u32 phy_addr;
  10076. u32 chip_id;
  10077. u32 switch_cfg = (REG_RD(bp, shmem_base +
  10078. offsetof(struct shmem_region,
  10079. dev_info.port_feature_config[port].link_config)) &
  10080. PORT_FEATURE_CONNECTED_SWITCH_MASK);
  10081. chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
  10082. ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
  10083. DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
  10084. if (USES_WARPCORE(bp)) {
  10085. u32 serdes_net_if;
  10086. phy_addr = REG_RD(bp,
  10087. MISC_REG_WC0_CTRL_PHY_ADDR);
  10088. *phy = phy_warpcore;
  10089. if (REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR) == 0x3)
  10090. phy->flags |= FLAGS_4_PORT_MODE;
  10091. else
  10092. phy->flags &= ~FLAGS_4_PORT_MODE;
  10093. /* Check Dual mode */
  10094. serdes_net_if = (REG_RD(bp, shmem_base +
  10095. offsetof(struct shmem_region, dev_info.
  10096. port_hw_config[port].default_cfg)) &
  10097. PORT_HW_CFG_NET_SERDES_IF_MASK);
  10098. /* Set the appropriate supported and flags indications per
  10099. * interface type of the chip
  10100. */
  10101. switch (serdes_net_if) {
  10102. case PORT_HW_CFG_NET_SERDES_IF_SGMII:
  10103. phy->supported &= (SUPPORTED_10baseT_Half |
  10104. SUPPORTED_10baseT_Full |
  10105. SUPPORTED_100baseT_Half |
  10106. SUPPORTED_100baseT_Full |
  10107. SUPPORTED_1000baseT_Full |
  10108. SUPPORTED_FIBRE |
  10109. SUPPORTED_Autoneg |
  10110. SUPPORTED_Pause |
  10111. SUPPORTED_Asym_Pause);
  10112. phy->media_type = ETH_PHY_BASE_T;
  10113. break;
  10114. case PORT_HW_CFG_NET_SERDES_IF_XFI:
  10115. phy->media_type = ETH_PHY_XFP_FIBER;
  10116. break;
  10117. case PORT_HW_CFG_NET_SERDES_IF_SFI:
  10118. phy->supported &= (SUPPORTED_1000baseT_Full |
  10119. SUPPORTED_10000baseT_Full |
  10120. SUPPORTED_FIBRE |
  10121. SUPPORTED_Pause |
  10122. SUPPORTED_Asym_Pause);
  10123. phy->media_type = ETH_PHY_SFP_FIBER;
  10124. break;
  10125. case PORT_HW_CFG_NET_SERDES_IF_KR:
  10126. phy->media_type = ETH_PHY_KR;
  10127. phy->supported &= (SUPPORTED_1000baseT_Full |
  10128. SUPPORTED_10000baseT_Full |
  10129. SUPPORTED_FIBRE |
  10130. SUPPORTED_Autoneg |
  10131. SUPPORTED_Pause |
  10132. SUPPORTED_Asym_Pause);
  10133. break;
  10134. case PORT_HW_CFG_NET_SERDES_IF_DXGXS:
  10135. phy->media_type = ETH_PHY_KR;
  10136. phy->flags |= FLAGS_WC_DUAL_MODE;
  10137. phy->supported &= (SUPPORTED_20000baseMLD2_Full |
  10138. SUPPORTED_FIBRE |
  10139. SUPPORTED_Pause |
  10140. SUPPORTED_Asym_Pause);
  10141. break;
  10142. case PORT_HW_CFG_NET_SERDES_IF_KR2:
  10143. phy->media_type = ETH_PHY_KR;
  10144. phy->flags |= FLAGS_WC_DUAL_MODE;
  10145. phy->supported &= (SUPPORTED_20000baseKR2_Full |
  10146. SUPPORTED_FIBRE |
  10147. SUPPORTED_Pause |
  10148. SUPPORTED_Asym_Pause);
  10149. break;
  10150. default:
  10151. DP(NETIF_MSG_LINK, "Unknown WC interface type 0x%x\n",
  10152. serdes_net_if);
  10153. break;
  10154. }
  10155. /* Enable MDC/MDIO work-around for E3 A0 since free running MDC
  10156. * was not set as expected. For B0, ECO will be enabled so there
  10157. * won't be an issue there
  10158. */
  10159. if (CHIP_REV(bp) == CHIP_REV_Ax)
  10160. phy->flags |= FLAGS_MDC_MDIO_WA;
  10161. else
  10162. phy->flags |= FLAGS_MDC_MDIO_WA_B0;
  10163. } else {
  10164. switch (switch_cfg) {
  10165. case SWITCH_CFG_1G:
  10166. phy_addr = REG_RD(bp,
  10167. NIG_REG_SERDES0_CTRL_PHY_ADDR +
  10168. port * 0x10);
  10169. *phy = phy_serdes;
  10170. break;
  10171. case SWITCH_CFG_10G:
  10172. phy_addr = REG_RD(bp,
  10173. NIG_REG_XGXS0_CTRL_PHY_ADDR +
  10174. port * 0x18);
  10175. *phy = phy_xgxs;
  10176. break;
  10177. default:
  10178. DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
  10179. return -EINVAL;
  10180. }
  10181. }
  10182. phy->addr = (u8)phy_addr;
  10183. phy->mdio_ctrl = bnx2x_get_emac_base(bp,
  10184. SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
  10185. port);
  10186. if (CHIP_IS_E2(bp))
  10187. phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
  10188. else
  10189. phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
  10190. DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
  10191. port, phy->addr, phy->mdio_ctrl);
  10192. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
  10193. return 0;
  10194. }
  10195. static int bnx2x_populate_ext_phy(struct bnx2x *bp,
  10196. u8 phy_index,
  10197. u32 shmem_base,
  10198. u32 shmem2_base,
  10199. u8 port,
  10200. struct bnx2x_phy *phy)
  10201. {
  10202. u32 ext_phy_config, phy_type, config2;
  10203. u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
  10204. ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
  10205. phy_index, port);
  10206. phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  10207. /* Select the phy type */
  10208. switch (phy_type) {
  10209. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  10210. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
  10211. *phy = phy_8073;
  10212. break;
  10213. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
  10214. *phy = phy_8705;
  10215. break;
  10216. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
  10217. *phy = phy_8706;
  10218. break;
  10219. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  10220. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10221. *phy = phy_8726;
  10222. break;
  10223. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  10224. /* BCM8727_NOC => BCM8727 no over current */
  10225. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10226. *phy = phy_8727;
  10227. phy->flags |= FLAGS_NOC;
  10228. break;
  10229. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  10230. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  10231. mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
  10232. *phy = phy_8727;
  10233. break;
  10234. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
  10235. *phy = phy_8481;
  10236. break;
  10237. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
  10238. *phy = phy_84823;
  10239. break;
  10240. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  10241. *phy = phy_84833;
  10242. break;
  10243. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
  10244. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
  10245. *phy = phy_54618se;
  10246. break;
  10247. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
  10248. *phy = phy_7101;
  10249. break;
  10250. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  10251. *phy = phy_null;
  10252. return -EINVAL;
  10253. default:
  10254. *phy = phy_null;
  10255. /* In case external PHY wasn't found */
  10256. if ((phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
  10257. (phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
  10258. return -EINVAL;
  10259. return 0;
  10260. }
  10261. phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
  10262. bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
  10263. /* The shmem address of the phy version is located on different
  10264. * structures. In case this structure is too old, do not set
  10265. * the address
  10266. */
  10267. config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
  10268. dev_info.shared_hw_config.config2));
  10269. if (phy_index == EXT_PHY1) {
  10270. phy->ver_addr = shmem_base + offsetof(struct shmem_region,
  10271. port_mb[port].ext_phy_fw_version);
  10272. /* Check specific mdc mdio settings */
  10273. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
  10274. mdc_mdio_access = config2 &
  10275. SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
  10276. } else {
  10277. u32 size = REG_RD(bp, shmem2_base);
  10278. if (size >
  10279. offsetof(struct shmem2_region, ext_phy_fw_version2)) {
  10280. phy->ver_addr = shmem2_base +
  10281. offsetof(struct shmem2_region,
  10282. ext_phy_fw_version2[port]);
  10283. }
  10284. /* Check specific mdc mdio settings */
  10285. if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
  10286. mdc_mdio_access = (config2 &
  10287. SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
  10288. (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
  10289. SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
  10290. }
  10291. phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
  10292. if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
  10293. (phy->ver_addr)) {
  10294. /* Remove 100Mb link supported for BCM84833 when phy fw
  10295. * version lower than or equal to 1.39
  10296. */
  10297. u32 raw_ver = REG_RD(bp, phy->ver_addr);
  10298. if (((raw_ver & 0x7F) <= 39) &&
  10299. (((raw_ver & 0xF80) >> 7) <= 1))
  10300. phy->supported &= ~(SUPPORTED_100baseT_Half |
  10301. SUPPORTED_100baseT_Full);
  10302. }
  10303. /* In case mdc/mdio_access of the external phy is different than the
  10304. * mdc/mdio access of the XGXS, a HW lock must be taken in each access
  10305. * to prevent one port interfere with another port's CL45 operations.
  10306. */
  10307. if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
  10308. phy->flags |= FLAGS_HW_LOCK_REQUIRED;
  10309. DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
  10310. phy_type, port, phy_index);
  10311. DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
  10312. phy->addr, phy->mdio_ctrl);
  10313. return 0;
  10314. }
  10315. static int bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
  10316. u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
  10317. {
  10318. int status = 0;
  10319. phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
  10320. if (phy_index == INT_PHY)
  10321. return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
  10322. status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
  10323. port, phy);
  10324. return status;
  10325. }
  10326. static void bnx2x_phy_def_cfg(struct link_params *params,
  10327. struct bnx2x_phy *phy,
  10328. u8 phy_index)
  10329. {
  10330. struct bnx2x *bp = params->bp;
  10331. u32 link_config;
  10332. /* Populate the default phy configuration for MF mode */
  10333. if (phy_index == EXT_PHY2) {
  10334. link_config = REG_RD(bp, params->shmem_base +
  10335. offsetof(struct shmem_region, dev_info.
  10336. port_feature_config[params->port].link_config2));
  10337. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10338. offsetof(struct shmem_region,
  10339. dev_info.
  10340. port_hw_config[params->port].speed_capability_mask2));
  10341. } else {
  10342. link_config = REG_RD(bp, params->shmem_base +
  10343. offsetof(struct shmem_region, dev_info.
  10344. port_feature_config[params->port].link_config));
  10345. phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
  10346. offsetof(struct shmem_region,
  10347. dev_info.
  10348. port_hw_config[params->port].speed_capability_mask));
  10349. }
  10350. DP(NETIF_MSG_LINK,
  10351. "Default config phy idx %x cfg 0x%x speed_cap_mask 0x%x\n",
  10352. phy_index, link_config, phy->speed_cap_mask);
  10353. phy->req_duplex = DUPLEX_FULL;
  10354. switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
  10355. case PORT_FEATURE_LINK_SPEED_10M_HALF:
  10356. phy->req_duplex = DUPLEX_HALF;
  10357. case PORT_FEATURE_LINK_SPEED_10M_FULL:
  10358. phy->req_line_speed = SPEED_10;
  10359. break;
  10360. case PORT_FEATURE_LINK_SPEED_100M_HALF:
  10361. phy->req_duplex = DUPLEX_HALF;
  10362. case PORT_FEATURE_LINK_SPEED_100M_FULL:
  10363. phy->req_line_speed = SPEED_100;
  10364. break;
  10365. case PORT_FEATURE_LINK_SPEED_1G:
  10366. phy->req_line_speed = SPEED_1000;
  10367. break;
  10368. case PORT_FEATURE_LINK_SPEED_2_5G:
  10369. phy->req_line_speed = SPEED_2500;
  10370. break;
  10371. case PORT_FEATURE_LINK_SPEED_10G_CX4:
  10372. phy->req_line_speed = SPEED_10000;
  10373. break;
  10374. default:
  10375. phy->req_line_speed = SPEED_AUTO_NEG;
  10376. break;
  10377. }
  10378. switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
  10379. case PORT_FEATURE_FLOW_CONTROL_AUTO:
  10380. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
  10381. break;
  10382. case PORT_FEATURE_FLOW_CONTROL_TX:
  10383. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
  10384. break;
  10385. case PORT_FEATURE_FLOW_CONTROL_RX:
  10386. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
  10387. break;
  10388. case PORT_FEATURE_FLOW_CONTROL_BOTH:
  10389. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
  10390. break;
  10391. default:
  10392. phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10393. break;
  10394. }
  10395. }
  10396. u32 bnx2x_phy_selection(struct link_params *params)
  10397. {
  10398. u32 phy_config_swapped, prio_cfg;
  10399. u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
  10400. phy_config_swapped = params->multi_phy_config &
  10401. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10402. prio_cfg = params->multi_phy_config &
  10403. PORT_HW_CFG_PHY_SELECTION_MASK;
  10404. if (phy_config_swapped) {
  10405. switch (prio_cfg) {
  10406. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
  10407. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
  10408. break;
  10409. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
  10410. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
  10411. break;
  10412. case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
  10413. return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
  10414. break;
  10415. case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
  10416. return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
  10417. break;
  10418. }
  10419. } else
  10420. return_cfg = prio_cfg;
  10421. return return_cfg;
  10422. }
  10423. int bnx2x_phy_probe(struct link_params *params)
  10424. {
  10425. u8 phy_index, actual_phy_idx;
  10426. u32 phy_config_swapped, sync_offset, media_types;
  10427. struct bnx2x *bp = params->bp;
  10428. struct bnx2x_phy *phy;
  10429. params->num_phys = 0;
  10430. DP(NETIF_MSG_LINK, "Begin phy probe\n");
  10431. phy_config_swapped = params->multi_phy_config &
  10432. PORT_HW_CFG_PHY_SWAPPED_ENABLED;
  10433. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  10434. phy_index++) {
  10435. actual_phy_idx = phy_index;
  10436. if (phy_config_swapped) {
  10437. if (phy_index == EXT_PHY1)
  10438. actual_phy_idx = EXT_PHY2;
  10439. else if (phy_index == EXT_PHY2)
  10440. actual_phy_idx = EXT_PHY1;
  10441. }
  10442. DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
  10443. " actual_phy_idx %x\n", phy_config_swapped,
  10444. phy_index, actual_phy_idx);
  10445. phy = &params->phy[actual_phy_idx];
  10446. if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
  10447. params->shmem2_base, params->port,
  10448. phy) != 0) {
  10449. params->num_phys = 0;
  10450. DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
  10451. phy_index);
  10452. for (phy_index = INT_PHY;
  10453. phy_index < MAX_PHYS;
  10454. phy_index++)
  10455. *phy = phy_null;
  10456. return -EINVAL;
  10457. }
  10458. if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
  10459. break;
  10460. if (params->feature_config_flags &
  10461. FEATURE_CONFIG_DISABLE_REMOTE_FAULT_DET)
  10462. phy->flags &= ~FLAGS_TX_ERROR_CHECK;
  10463. sync_offset = params->shmem_base +
  10464. offsetof(struct shmem_region,
  10465. dev_info.port_hw_config[params->port].media_type);
  10466. media_types = REG_RD(bp, sync_offset);
  10467. /* Update media type for non-PMF sync only for the first time
  10468. * In case the media type changes afterwards, it will be updated
  10469. * using the update_status function
  10470. */
  10471. if ((media_types & (PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK <<
  10472. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10473. actual_phy_idx))) == 0) {
  10474. media_types |= ((phy->media_type &
  10475. PORT_HW_CFG_MEDIA_TYPE_PHY0_MASK) <<
  10476. (PORT_HW_CFG_MEDIA_TYPE_PHY1_SHIFT *
  10477. actual_phy_idx));
  10478. }
  10479. REG_WR(bp, sync_offset, media_types);
  10480. bnx2x_phy_def_cfg(params, phy, phy_index);
  10481. params->num_phys++;
  10482. }
  10483. DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
  10484. return 0;
  10485. }
  10486. void bnx2x_init_bmac_loopback(struct link_params *params,
  10487. struct link_vars *vars)
  10488. {
  10489. struct bnx2x *bp = params->bp;
  10490. vars->link_up = 1;
  10491. vars->line_speed = SPEED_10000;
  10492. vars->duplex = DUPLEX_FULL;
  10493. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10494. vars->mac_type = MAC_TYPE_BMAC;
  10495. vars->phy_flags = PHY_XGXS_FLAG;
  10496. bnx2x_xgxs_deassert(params);
  10497. /* set bmac loopback */
  10498. bnx2x_bmac_enable(params, vars, 1);
  10499. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10500. }
  10501. void bnx2x_init_emac_loopback(struct link_params *params,
  10502. struct link_vars *vars)
  10503. {
  10504. struct bnx2x *bp = params->bp;
  10505. vars->link_up = 1;
  10506. vars->line_speed = SPEED_1000;
  10507. vars->duplex = DUPLEX_FULL;
  10508. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10509. vars->mac_type = MAC_TYPE_EMAC;
  10510. vars->phy_flags = PHY_XGXS_FLAG;
  10511. bnx2x_xgxs_deassert(params);
  10512. /* set bmac loopback */
  10513. bnx2x_emac_enable(params, vars, 1);
  10514. bnx2x_emac_program(params, vars);
  10515. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10516. }
  10517. void bnx2x_init_xmac_loopback(struct link_params *params,
  10518. struct link_vars *vars)
  10519. {
  10520. struct bnx2x *bp = params->bp;
  10521. vars->link_up = 1;
  10522. if (!params->req_line_speed[0])
  10523. vars->line_speed = SPEED_10000;
  10524. else
  10525. vars->line_speed = params->req_line_speed[0];
  10526. vars->duplex = DUPLEX_FULL;
  10527. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10528. vars->mac_type = MAC_TYPE_XMAC;
  10529. vars->phy_flags = PHY_XGXS_FLAG;
  10530. /* Set WC to loopback mode since link is required to provide clock
  10531. * to the XMAC in 20G mode
  10532. */
  10533. bnx2x_set_aer_mmd(params, &params->phy[0]);
  10534. bnx2x_warpcore_reset_lane(bp, &params->phy[0], 0);
  10535. params->phy[INT_PHY].config_loopback(
  10536. &params->phy[INT_PHY],
  10537. params);
  10538. bnx2x_xmac_enable(params, vars, 1);
  10539. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10540. }
  10541. void bnx2x_init_umac_loopback(struct link_params *params,
  10542. struct link_vars *vars)
  10543. {
  10544. struct bnx2x *bp = params->bp;
  10545. vars->link_up = 1;
  10546. vars->line_speed = SPEED_1000;
  10547. vars->duplex = DUPLEX_FULL;
  10548. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10549. vars->mac_type = MAC_TYPE_UMAC;
  10550. vars->phy_flags = PHY_XGXS_FLAG;
  10551. bnx2x_umac_enable(params, vars, 1);
  10552. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10553. }
  10554. void bnx2x_init_xgxs_loopback(struct link_params *params,
  10555. struct link_vars *vars)
  10556. {
  10557. struct bnx2x *bp = params->bp;
  10558. vars->link_up = 1;
  10559. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10560. vars->duplex = DUPLEX_FULL;
  10561. if (params->req_line_speed[0] == SPEED_1000)
  10562. vars->line_speed = SPEED_1000;
  10563. else
  10564. vars->line_speed = SPEED_10000;
  10565. if (!USES_WARPCORE(bp))
  10566. bnx2x_xgxs_deassert(params);
  10567. bnx2x_link_initialize(params, vars);
  10568. if (params->req_line_speed[0] == SPEED_1000) {
  10569. if (USES_WARPCORE(bp))
  10570. bnx2x_umac_enable(params, vars, 0);
  10571. else {
  10572. bnx2x_emac_program(params, vars);
  10573. bnx2x_emac_enable(params, vars, 0);
  10574. }
  10575. } else {
  10576. if (USES_WARPCORE(bp))
  10577. bnx2x_xmac_enable(params, vars, 0);
  10578. else
  10579. bnx2x_bmac_enable(params, vars, 0);
  10580. }
  10581. if (params->loopback_mode == LOOPBACK_XGXS) {
  10582. /* set 10G XGXS loopback */
  10583. params->phy[INT_PHY].config_loopback(
  10584. &params->phy[INT_PHY],
  10585. params);
  10586. } else {
  10587. /* set external phy loopback */
  10588. u8 phy_index;
  10589. for (phy_index = EXT_PHY1;
  10590. phy_index < params->num_phys; phy_index++) {
  10591. if (params->phy[phy_index].config_loopback)
  10592. params->phy[phy_index].config_loopback(
  10593. &params->phy[phy_index],
  10594. params);
  10595. }
  10596. }
  10597. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  10598. bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
  10599. }
  10600. int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
  10601. {
  10602. struct bnx2x *bp = params->bp;
  10603. DP(NETIF_MSG_LINK, "Phy Initialization started\n");
  10604. DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
  10605. params->req_line_speed[0], params->req_flow_ctrl[0]);
  10606. DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
  10607. params->req_line_speed[1], params->req_flow_ctrl[1]);
  10608. vars->link_status = 0;
  10609. vars->phy_link_up = 0;
  10610. vars->link_up = 0;
  10611. vars->line_speed = 0;
  10612. vars->duplex = DUPLEX_FULL;
  10613. vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
  10614. vars->mac_type = MAC_TYPE_NONE;
  10615. vars->phy_flags = 0;
  10616. /* disable attentions */
  10617. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  10618. (NIG_MASK_XGXS0_LINK_STATUS |
  10619. NIG_MASK_XGXS0_LINK10G |
  10620. NIG_MASK_SERDES0_LINK_STATUS |
  10621. NIG_MASK_MI_INT));
  10622. bnx2x_emac_init(params, vars);
  10623. if (params->feature_config_flags & FEATURE_CONFIG_PFC_ENABLED)
  10624. vars->link_status |= LINK_STATUS_PFC_ENABLED;
  10625. if (params->num_phys == 0) {
  10626. DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
  10627. return -EINVAL;
  10628. }
  10629. set_phy_vars(params, vars);
  10630. DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
  10631. switch (params->loopback_mode) {
  10632. case LOOPBACK_BMAC:
  10633. bnx2x_init_bmac_loopback(params, vars);
  10634. break;
  10635. case LOOPBACK_EMAC:
  10636. bnx2x_init_emac_loopback(params, vars);
  10637. break;
  10638. case LOOPBACK_XMAC:
  10639. bnx2x_init_xmac_loopback(params, vars);
  10640. break;
  10641. case LOOPBACK_UMAC:
  10642. bnx2x_init_umac_loopback(params, vars);
  10643. break;
  10644. case LOOPBACK_XGXS:
  10645. case LOOPBACK_EXT_PHY:
  10646. bnx2x_init_xgxs_loopback(params, vars);
  10647. break;
  10648. default:
  10649. if (!CHIP_IS_E3(bp)) {
  10650. if (params->switch_cfg == SWITCH_CFG_10G)
  10651. bnx2x_xgxs_deassert(params);
  10652. else
  10653. bnx2x_serdes_deassert(bp, params->port);
  10654. }
  10655. bnx2x_link_initialize(params, vars);
  10656. msleep(30);
  10657. bnx2x_link_int_enable(params);
  10658. break;
  10659. }
  10660. bnx2x_update_mng(params, vars->link_status);
  10661. return 0;
  10662. }
  10663. int bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
  10664. u8 reset_ext_phy)
  10665. {
  10666. struct bnx2x *bp = params->bp;
  10667. u8 phy_index, port = params->port, clear_latch_ind = 0;
  10668. DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
  10669. /* disable attentions */
  10670. vars->link_status = 0;
  10671. bnx2x_update_mng(params, vars->link_status);
  10672. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
  10673. (NIG_MASK_XGXS0_LINK_STATUS |
  10674. NIG_MASK_XGXS0_LINK10G |
  10675. NIG_MASK_SERDES0_LINK_STATUS |
  10676. NIG_MASK_MI_INT));
  10677. /* activate nig drain */
  10678. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
  10679. /* disable nig egress interface */
  10680. if (!CHIP_IS_E3(bp)) {
  10681. REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
  10682. REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
  10683. }
  10684. /* Stop BigMac rx */
  10685. if (!CHIP_IS_E3(bp))
  10686. bnx2x_bmac_rx_disable(bp, port);
  10687. else {
  10688. bnx2x_xmac_disable(params);
  10689. bnx2x_umac_disable(params);
  10690. }
  10691. /* disable emac */
  10692. if (!CHIP_IS_E3(bp))
  10693. REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
  10694. msleep(10);
  10695. /* The PHY reset is controlled by GPIO 1
  10696. * Hold it as vars low
  10697. */
  10698. /* clear link led */
  10699. bnx2x_set_mdio_clk(bp, params->chip_id, port);
  10700. bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
  10701. if (reset_ext_phy) {
  10702. for (phy_index = EXT_PHY1; phy_index < params->num_phys;
  10703. phy_index++) {
  10704. if (params->phy[phy_index].link_reset) {
  10705. bnx2x_set_aer_mmd(params,
  10706. &params->phy[phy_index]);
  10707. params->phy[phy_index].link_reset(
  10708. &params->phy[phy_index],
  10709. params);
  10710. }
  10711. if (params->phy[phy_index].flags &
  10712. FLAGS_REARM_LATCH_SIGNAL)
  10713. clear_latch_ind = 1;
  10714. }
  10715. }
  10716. if (clear_latch_ind) {
  10717. /* Clear latching indication */
  10718. bnx2x_rearm_latch_signal(bp, port, 0);
  10719. bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
  10720. 1 << NIG_LATCH_BC_ENABLE_MI_INT);
  10721. }
  10722. if (params->phy[INT_PHY].link_reset)
  10723. params->phy[INT_PHY].link_reset(
  10724. &params->phy[INT_PHY], params);
  10725. /* disable nig ingress interface */
  10726. if (!CHIP_IS_E3(bp)) {
  10727. /* reset BigMac */
  10728. REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
  10729. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
  10730. REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
  10731. REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
  10732. } else {
  10733. u32 xmac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  10734. bnx2x_set_xumac_nig(params, 0, 0);
  10735. if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  10736. MISC_REGISTERS_RESET_REG_2_XMAC)
  10737. REG_WR(bp, xmac_base + XMAC_REG_CTRL,
  10738. XMAC_CTRL_REG_SOFT_RESET);
  10739. }
  10740. vars->link_up = 0;
  10741. vars->phy_flags = 0;
  10742. return 0;
  10743. }
  10744. /****************************************************************************/
  10745. /* Common function */
  10746. /****************************************************************************/
  10747. static int bnx2x_8073_common_init_phy(struct bnx2x *bp,
  10748. u32 shmem_base_path[],
  10749. u32 shmem2_base_path[], u8 phy_index,
  10750. u32 chip_id)
  10751. {
  10752. struct bnx2x_phy phy[PORT_MAX];
  10753. struct bnx2x_phy *phy_blk[PORT_MAX];
  10754. u16 val;
  10755. s8 port = 0;
  10756. s8 port_of_path = 0;
  10757. u32 swap_val, swap_override;
  10758. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10759. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10760. port ^= (swap_val && swap_override);
  10761. bnx2x_ext_phy_hw_reset(bp, port);
  10762. /* PART1 - Reset both phys */
  10763. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10764. u32 shmem_base, shmem2_base;
  10765. /* In E2, same phy is using for port0 of the two paths */
  10766. if (CHIP_IS_E1x(bp)) {
  10767. shmem_base = shmem_base_path[0];
  10768. shmem2_base = shmem2_base_path[0];
  10769. port_of_path = port;
  10770. } else {
  10771. shmem_base = shmem_base_path[port];
  10772. shmem2_base = shmem2_base_path[port];
  10773. port_of_path = 0;
  10774. }
  10775. /* Extract the ext phy address for the port */
  10776. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10777. port_of_path, &phy[port]) !=
  10778. 0) {
  10779. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  10780. return -EINVAL;
  10781. }
  10782. /* disable attentions */
  10783. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10784. port_of_path*4,
  10785. (NIG_MASK_XGXS0_LINK_STATUS |
  10786. NIG_MASK_XGXS0_LINK10G |
  10787. NIG_MASK_SERDES0_LINK_STATUS |
  10788. NIG_MASK_MI_INT));
  10789. /* Need to take the phy out of low power mode in order
  10790. * to write to access its registers
  10791. */
  10792. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10793. MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10794. port);
  10795. /* Reset the phy */
  10796. bnx2x_cl45_write(bp, &phy[port],
  10797. MDIO_PMA_DEVAD,
  10798. MDIO_PMA_REG_CTRL,
  10799. 1<<15);
  10800. }
  10801. /* Add delay of 150ms after reset */
  10802. msleep(150);
  10803. if (phy[PORT_0].addr & 0x1) {
  10804. phy_blk[PORT_0] = &(phy[PORT_1]);
  10805. phy_blk[PORT_1] = &(phy[PORT_0]);
  10806. } else {
  10807. phy_blk[PORT_0] = &(phy[PORT_0]);
  10808. phy_blk[PORT_1] = &(phy[PORT_1]);
  10809. }
  10810. /* PART2 - Download firmware to both phys */
  10811. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10812. if (CHIP_IS_E1x(bp))
  10813. port_of_path = port;
  10814. else
  10815. port_of_path = 0;
  10816. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  10817. phy_blk[port]->addr);
  10818. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  10819. port_of_path))
  10820. return -EINVAL;
  10821. /* Only set bit 10 = 1 (Tx power down) */
  10822. bnx2x_cl45_read(bp, phy_blk[port],
  10823. MDIO_PMA_DEVAD,
  10824. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10825. /* Phase1 of TX_POWER_DOWN reset */
  10826. bnx2x_cl45_write(bp, phy_blk[port],
  10827. MDIO_PMA_DEVAD,
  10828. MDIO_PMA_REG_TX_POWER_DOWN,
  10829. (val | 1<<10));
  10830. }
  10831. /* Toggle Transmitter: Power down and then up with 600ms delay
  10832. * between
  10833. */
  10834. msleep(600);
  10835. /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
  10836. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10837. /* Phase2 of POWER_DOWN_RESET */
  10838. /* Release bit 10 (Release Tx power down) */
  10839. bnx2x_cl45_read(bp, phy_blk[port],
  10840. MDIO_PMA_DEVAD,
  10841. MDIO_PMA_REG_TX_POWER_DOWN, &val);
  10842. bnx2x_cl45_write(bp, phy_blk[port],
  10843. MDIO_PMA_DEVAD,
  10844. MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
  10845. msleep(15);
  10846. /* Read modify write the SPI-ROM version select register */
  10847. bnx2x_cl45_read(bp, phy_blk[port],
  10848. MDIO_PMA_DEVAD,
  10849. MDIO_PMA_REG_EDC_FFE_MAIN, &val);
  10850. bnx2x_cl45_write(bp, phy_blk[port],
  10851. MDIO_PMA_DEVAD,
  10852. MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
  10853. /* set GPIO2 back to LOW */
  10854. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
  10855. MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
  10856. }
  10857. return 0;
  10858. }
  10859. static int bnx2x_8726_common_init_phy(struct bnx2x *bp,
  10860. u32 shmem_base_path[],
  10861. u32 shmem2_base_path[], u8 phy_index,
  10862. u32 chip_id)
  10863. {
  10864. u32 val;
  10865. s8 port;
  10866. struct bnx2x_phy phy;
  10867. /* Use port1 because of the static port-swap */
  10868. /* Enable the module detection interrupt */
  10869. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  10870. val |= ((1<<MISC_REGISTERS_GPIO_3)|
  10871. (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
  10872. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  10873. bnx2x_ext_phy_hw_reset(bp, 0);
  10874. msleep(5);
  10875. for (port = 0; port < PORT_MAX; port++) {
  10876. u32 shmem_base, shmem2_base;
  10877. /* In E2, same phy is using for port0 of the two paths */
  10878. if (CHIP_IS_E1x(bp)) {
  10879. shmem_base = shmem_base_path[0];
  10880. shmem2_base = shmem2_base_path[0];
  10881. } else {
  10882. shmem_base = shmem_base_path[port];
  10883. shmem2_base = shmem2_base_path[port];
  10884. }
  10885. /* Extract the ext phy address for the port */
  10886. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10887. port, &phy) !=
  10888. 0) {
  10889. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10890. return -EINVAL;
  10891. }
  10892. /* Reset phy*/
  10893. bnx2x_cl45_write(bp, &phy,
  10894. MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
  10895. /* Set fault module detected LED on */
  10896. bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
  10897. MISC_REGISTERS_GPIO_HIGH,
  10898. port);
  10899. }
  10900. return 0;
  10901. }
  10902. static void bnx2x_get_ext_phy_reset_gpio(struct bnx2x *bp, u32 shmem_base,
  10903. u8 *io_gpio, u8 *io_port)
  10904. {
  10905. u32 phy_gpio_reset = REG_RD(bp, shmem_base +
  10906. offsetof(struct shmem_region,
  10907. dev_info.port_hw_config[PORT_0].default_cfg));
  10908. switch (phy_gpio_reset) {
  10909. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P0:
  10910. *io_gpio = 0;
  10911. *io_port = 0;
  10912. break;
  10913. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P0:
  10914. *io_gpio = 1;
  10915. *io_port = 0;
  10916. break;
  10917. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P0:
  10918. *io_gpio = 2;
  10919. *io_port = 0;
  10920. break;
  10921. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P0:
  10922. *io_gpio = 3;
  10923. *io_port = 0;
  10924. break;
  10925. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO0_P1:
  10926. *io_gpio = 0;
  10927. *io_port = 1;
  10928. break;
  10929. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO1_P1:
  10930. *io_gpio = 1;
  10931. *io_port = 1;
  10932. break;
  10933. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO2_P1:
  10934. *io_gpio = 2;
  10935. *io_port = 1;
  10936. break;
  10937. case PORT_HW_CFG_EXT_PHY_GPIO_RST_GPIO3_P1:
  10938. *io_gpio = 3;
  10939. *io_port = 1;
  10940. break;
  10941. default:
  10942. /* Don't override the io_gpio and io_port */
  10943. break;
  10944. }
  10945. }
  10946. static int bnx2x_8727_common_init_phy(struct bnx2x *bp,
  10947. u32 shmem_base_path[],
  10948. u32 shmem2_base_path[], u8 phy_index,
  10949. u32 chip_id)
  10950. {
  10951. s8 port, reset_gpio;
  10952. u32 swap_val, swap_override;
  10953. struct bnx2x_phy phy[PORT_MAX];
  10954. struct bnx2x_phy *phy_blk[PORT_MAX];
  10955. s8 port_of_path;
  10956. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  10957. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  10958. reset_gpio = MISC_REGISTERS_GPIO_1;
  10959. port = 1;
  10960. /* Retrieve the reset gpio/port which control the reset.
  10961. * Default is GPIO1, PORT1
  10962. */
  10963. bnx2x_get_ext_phy_reset_gpio(bp, shmem_base_path[0],
  10964. (u8 *)&reset_gpio, (u8 *)&port);
  10965. /* Calculate the port based on port swap */
  10966. port ^= (swap_val && swap_override);
  10967. /* Initiate PHY reset*/
  10968. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_LOW,
  10969. port);
  10970. msleep(1);
  10971. bnx2x_set_gpio(bp, reset_gpio, MISC_REGISTERS_GPIO_OUTPUT_HIGH,
  10972. port);
  10973. msleep(5);
  10974. /* PART1 - Reset both phys */
  10975. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  10976. u32 shmem_base, shmem2_base;
  10977. /* In E2, same phy is using for port0 of the two paths */
  10978. if (CHIP_IS_E1x(bp)) {
  10979. shmem_base = shmem_base_path[0];
  10980. shmem2_base = shmem2_base_path[0];
  10981. port_of_path = port;
  10982. } else {
  10983. shmem_base = shmem_base_path[port];
  10984. shmem2_base = shmem2_base_path[port];
  10985. port_of_path = 0;
  10986. }
  10987. /* Extract the ext phy address for the port */
  10988. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  10989. port_of_path, &phy[port]) !=
  10990. 0) {
  10991. DP(NETIF_MSG_LINK, "populate phy failed\n");
  10992. return -EINVAL;
  10993. }
  10994. /* disable attentions */
  10995. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
  10996. port_of_path*4,
  10997. (NIG_MASK_XGXS0_LINK_STATUS |
  10998. NIG_MASK_XGXS0_LINK10G |
  10999. NIG_MASK_SERDES0_LINK_STATUS |
  11000. NIG_MASK_MI_INT));
  11001. /* Reset the phy */
  11002. bnx2x_cl45_write(bp, &phy[port],
  11003. MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
  11004. }
  11005. /* Add delay of 150ms after reset */
  11006. msleep(150);
  11007. if (phy[PORT_0].addr & 0x1) {
  11008. phy_blk[PORT_0] = &(phy[PORT_1]);
  11009. phy_blk[PORT_1] = &(phy[PORT_0]);
  11010. } else {
  11011. phy_blk[PORT_0] = &(phy[PORT_0]);
  11012. phy_blk[PORT_1] = &(phy[PORT_1]);
  11013. }
  11014. /* PART2 - Download firmware to both phys */
  11015. for (port = PORT_MAX - 1; port >= PORT_0; port--) {
  11016. if (CHIP_IS_E1x(bp))
  11017. port_of_path = port;
  11018. else
  11019. port_of_path = 0;
  11020. DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
  11021. phy_blk[port]->addr);
  11022. if (bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
  11023. port_of_path))
  11024. return -EINVAL;
  11025. /* Disable PHY transmitter output */
  11026. bnx2x_cl45_write(bp, phy_blk[port],
  11027. MDIO_PMA_DEVAD,
  11028. MDIO_PMA_REG_TX_DISABLE, 1);
  11029. }
  11030. return 0;
  11031. }
  11032. static int bnx2x_84833_common_init_phy(struct bnx2x *bp,
  11033. u32 shmem_base_path[],
  11034. u32 shmem2_base_path[],
  11035. u8 phy_index,
  11036. u32 chip_id)
  11037. {
  11038. u8 reset_gpios;
  11039. reset_gpios = bnx2x_84833_get_reset_gpios(bp, shmem_base_path, chip_id);
  11040. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_LOW);
  11041. udelay(10);
  11042. bnx2x_set_mult_gpio(bp, reset_gpios, MISC_REGISTERS_GPIO_OUTPUT_HIGH);
  11043. DP(NETIF_MSG_LINK, "84833 reset pulse on pin values 0x%x\n",
  11044. reset_gpios);
  11045. return 0;
  11046. }
  11047. static int bnx2x_84833_pre_init_phy(struct bnx2x *bp,
  11048. struct bnx2x_phy *phy)
  11049. {
  11050. u16 val, cnt;
  11051. /* Wait for FW completing its initialization. */
  11052. for (cnt = 0; cnt < 1500; cnt++) {
  11053. bnx2x_cl45_read(bp, phy,
  11054. MDIO_PMA_DEVAD,
  11055. MDIO_PMA_REG_CTRL, &val);
  11056. if (!(val & (1<<15)))
  11057. break;
  11058. msleep(1);
  11059. }
  11060. if (cnt >= 1500) {
  11061. DP(NETIF_MSG_LINK, "84833 reset timeout\n");
  11062. return -EINVAL;
  11063. }
  11064. /* Put the port in super isolate mode. */
  11065. bnx2x_cl45_read(bp, phy,
  11066. MDIO_CTL_DEVAD,
  11067. MDIO_84833_TOP_CFG_XGPHY_STRAP1, &val);
  11068. val |= MDIO_84833_SUPER_ISOLATE;
  11069. bnx2x_cl45_write(bp, phy,
  11070. MDIO_CTL_DEVAD,
  11071. MDIO_84833_TOP_CFG_XGPHY_STRAP1, val);
  11072. /* Save spirom version */
  11073. bnx2x_save_848xx_spirom_version(phy, bp, PORT_0);
  11074. return 0;
  11075. }
  11076. int bnx2x_pre_init_phy(struct bnx2x *bp,
  11077. u32 shmem_base,
  11078. u32 shmem2_base,
  11079. u32 chip_id)
  11080. {
  11081. int rc = 0;
  11082. struct bnx2x_phy phy;
  11083. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11084. if (bnx2x_populate_phy(bp, EXT_PHY1, shmem_base, shmem2_base,
  11085. PORT_0, &phy)) {
  11086. DP(NETIF_MSG_LINK, "populate_phy failed\n");
  11087. return -EINVAL;
  11088. }
  11089. switch (phy.type) {
  11090. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11091. rc = bnx2x_84833_pre_init_phy(bp, &phy);
  11092. break;
  11093. default:
  11094. break;
  11095. }
  11096. return rc;
  11097. }
  11098. static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
  11099. u32 shmem2_base_path[], u8 phy_index,
  11100. u32 ext_phy_type, u32 chip_id)
  11101. {
  11102. int rc = 0;
  11103. switch (ext_phy_type) {
  11104. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
  11105. rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
  11106. shmem2_base_path,
  11107. phy_index, chip_id);
  11108. break;
  11109. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8722:
  11110. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
  11111. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
  11112. rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
  11113. shmem2_base_path,
  11114. phy_index, chip_id);
  11115. break;
  11116. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
  11117. /* GPIO1 affects both ports, so there's need to pull
  11118. * it for single port alone
  11119. */
  11120. rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
  11121. shmem2_base_path,
  11122. phy_index, chip_id);
  11123. break;
  11124. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
  11125. /* GPIO3's are linked, and so both need to be toggled
  11126. * to obtain required 2us pulse.
  11127. */
  11128. rc = bnx2x_84833_common_init_phy(bp, shmem_base_path,
  11129. shmem2_base_path,
  11130. phy_index, chip_id);
  11131. break;
  11132. case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
  11133. rc = -EINVAL;
  11134. break;
  11135. default:
  11136. DP(NETIF_MSG_LINK,
  11137. "ext_phy 0x%x common init not required\n",
  11138. ext_phy_type);
  11139. break;
  11140. }
  11141. if (rc != 0)
  11142. netdev_err(bp->dev, "Warning: PHY was not initialized,"
  11143. " Port %d\n",
  11144. 0);
  11145. return rc;
  11146. }
  11147. int bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
  11148. u32 shmem2_base_path[], u32 chip_id)
  11149. {
  11150. int rc = 0;
  11151. u32 phy_ver, val;
  11152. u8 phy_index = 0;
  11153. u32 ext_phy_type, ext_phy_config;
  11154. bnx2x_set_mdio_clk(bp, chip_id, PORT_0);
  11155. bnx2x_set_mdio_clk(bp, chip_id, PORT_1);
  11156. DP(NETIF_MSG_LINK, "Begin common phy init\n");
  11157. if (CHIP_IS_E3(bp)) {
  11158. /* Enable EPIO */
  11159. val = REG_RD(bp, MISC_REG_GEN_PURP_HWG);
  11160. REG_WR(bp, MISC_REG_GEN_PURP_HWG, val | 1);
  11161. }
  11162. /* Check if common init was already done */
  11163. phy_ver = REG_RD(bp, shmem_base_path[0] +
  11164. offsetof(struct shmem_region,
  11165. port_mb[PORT_0].ext_phy_fw_version));
  11166. if (phy_ver) {
  11167. DP(NETIF_MSG_LINK, "Not doing common init; phy ver is 0x%x\n",
  11168. phy_ver);
  11169. return 0;
  11170. }
  11171. /* Read the ext_phy_type for arbitrary port(0) */
  11172. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11173. phy_index++) {
  11174. ext_phy_config = bnx2x_get_ext_phy_config(bp,
  11175. shmem_base_path[0],
  11176. phy_index, 0);
  11177. ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
  11178. rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
  11179. shmem2_base_path,
  11180. phy_index, ext_phy_type,
  11181. chip_id);
  11182. }
  11183. return rc;
  11184. }
  11185. static void bnx2x_check_over_curr(struct link_params *params,
  11186. struct link_vars *vars)
  11187. {
  11188. struct bnx2x *bp = params->bp;
  11189. u32 cfg_pin;
  11190. u8 port = params->port;
  11191. u32 pin_val;
  11192. cfg_pin = (REG_RD(bp, params->shmem_base +
  11193. offsetof(struct shmem_region,
  11194. dev_info.port_hw_config[port].e3_cmn_pin_cfg1)) &
  11195. PORT_HW_CFG_E3_OVER_CURRENT_MASK) >>
  11196. PORT_HW_CFG_E3_OVER_CURRENT_SHIFT;
  11197. /* Ignore check if no external input PIN available */
  11198. if (bnx2x_get_cfg_pin(bp, cfg_pin, &pin_val) != 0)
  11199. return;
  11200. if (!pin_val) {
  11201. if ((vars->phy_flags & PHY_OVER_CURRENT_FLAG) == 0) {
  11202. netdev_err(bp->dev, "Error: Power fault on Port %d has"
  11203. " been detected and the power to "
  11204. "that SFP+ module has been removed"
  11205. " to prevent failure of the card."
  11206. " Please remove the SFP+ module and"
  11207. " restart the system to clear this"
  11208. " error.\n",
  11209. params->port);
  11210. vars->phy_flags |= PHY_OVER_CURRENT_FLAG;
  11211. }
  11212. } else
  11213. vars->phy_flags &= ~PHY_OVER_CURRENT_FLAG;
  11214. }
  11215. static void bnx2x_analyze_link_error(struct link_params *params,
  11216. struct link_vars *vars, u32 lss_status,
  11217. u8 notify)
  11218. {
  11219. struct bnx2x *bp = params->bp;
  11220. /* Compare new value with previous value */
  11221. u8 led_mode;
  11222. u32 half_open_conn = (vars->phy_flags & PHY_HALF_OPEN_CONN_FLAG) > 0;
  11223. if ((lss_status ^ half_open_conn) == 0)
  11224. return;
  11225. /* If values differ */
  11226. DP(NETIF_MSG_LINK, "Link changed:%x %x->%x\n", vars->link_up,
  11227. half_open_conn, lss_status);
  11228. /* a. Update shmem->link_status accordingly
  11229. * b. Update link_vars->link_up
  11230. */
  11231. if (lss_status) {
  11232. DP(NETIF_MSG_LINK, "Remote Fault detected !!!\n");
  11233. vars->link_status &= ~LINK_STATUS_LINK_UP;
  11234. vars->link_up = 0;
  11235. vars->phy_flags |= PHY_HALF_OPEN_CONN_FLAG;
  11236. /* activate nig drain */
  11237. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 1);
  11238. /* Set LED mode to off since the PHY doesn't know about these
  11239. * errors
  11240. */
  11241. led_mode = LED_MODE_OFF;
  11242. } else {
  11243. DP(NETIF_MSG_LINK, "Remote Fault cleared\n");
  11244. vars->link_status |= LINK_STATUS_LINK_UP;
  11245. vars->link_up = 1;
  11246. vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG;
  11247. led_mode = LED_MODE_OPER;
  11248. /* Clear nig drain */
  11249. REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
  11250. }
  11251. bnx2x_sync_link(params, vars);
  11252. /* Update the LED according to the link state */
  11253. bnx2x_set_led(params, vars, led_mode, SPEED_10000);
  11254. /* Update link status in the shared memory */
  11255. bnx2x_update_mng(params, vars->link_status);
  11256. /* C. Trigger General Attention */
  11257. vars->periodic_flags |= PERIODIC_FLAGS_LINK_EVENT;
  11258. if (notify)
  11259. bnx2x_notify_link_changed(bp);
  11260. }
  11261. /******************************************************************************
  11262. * Description:
  11263. * This function checks for half opened connection change indication.
  11264. * When such change occurs, it calls the bnx2x_analyze_link_error
  11265. * to check if Remote Fault is set or cleared. Reception of remote fault
  11266. * status message in the MAC indicates that the peer's MAC has detected
  11267. * a fault, for example, due to break in the TX side of fiber.
  11268. *
  11269. ******************************************************************************/
  11270. int bnx2x_check_half_open_conn(struct link_params *params,
  11271. struct link_vars *vars,
  11272. u8 notify)
  11273. {
  11274. struct bnx2x *bp = params->bp;
  11275. u32 lss_status = 0;
  11276. u32 mac_base;
  11277. /* In case link status is physically up @ 10G do */
  11278. if (((vars->phy_flags & PHY_PHYSICAL_LINK_FLAG) == 0) ||
  11279. (REG_RD(bp, NIG_REG_EGRESS_EMAC0_PORT + params->port*4)))
  11280. return 0;
  11281. if (CHIP_IS_E3(bp) &&
  11282. (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11283. (MISC_REGISTERS_RESET_REG_2_XMAC))) {
  11284. /* Check E3 XMAC */
  11285. /* Note that link speed cannot be queried here, since it may be
  11286. * zero while link is down. In case UMAC is active, LSS will
  11287. * simply not be set
  11288. */
  11289. mac_base = (params->port) ? GRCBASE_XMAC1 : GRCBASE_XMAC0;
  11290. /* Clear stick bits (Requires rising edge) */
  11291. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS, 0);
  11292. REG_WR(bp, mac_base + XMAC_REG_CLEAR_RX_LSS_STATUS,
  11293. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS |
  11294. XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS);
  11295. if (REG_RD(bp, mac_base + XMAC_REG_RX_LSS_STATUS))
  11296. lss_status = 1;
  11297. bnx2x_analyze_link_error(params, vars, lss_status, notify);
  11298. } else if (REG_RD(bp, MISC_REG_RESET_REG_2) &
  11299. (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) {
  11300. /* Check E1X / E2 BMAC */
  11301. u32 lss_status_reg;
  11302. u32 wb_data[2];
  11303. mac_base = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
  11304. NIG_REG_INGRESS_BMAC0_MEM;
  11305. /* Read BIGMAC_REGISTER_RX_LSS_STATUS */
  11306. if (CHIP_IS_E2(bp))
  11307. lss_status_reg = BIGMAC2_REGISTER_RX_LSS_STAT;
  11308. else
  11309. lss_status_reg = BIGMAC_REGISTER_RX_LSS_STATUS;
  11310. REG_RD_DMAE(bp, mac_base + lss_status_reg, wb_data, 2);
  11311. lss_status = (wb_data[0] > 0);
  11312. bnx2x_analyze_link_error(params, vars, lss_status, notify);
  11313. }
  11314. return 0;
  11315. }
  11316. void bnx2x_period_func(struct link_params *params, struct link_vars *vars)
  11317. {
  11318. u16 phy_idx;
  11319. struct bnx2x *bp = params->bp;
  11320. for (phy_idx = INT_PHY; phy_idx < MAX_PHYS; phy_idx++) {
  11321. if (params->phy[phy_idx].flags & FLAGS_TX_ERROR_CHECK) {
  11322. bnx2x_set_aer_mmd(params, &params->phy[phy_idx]);
  11323. if (bnx2x_check_half_open_conn(params, vars, 1) !=
  11324. 0)
  11325. DP(NETIF_MSG_LINK, "Fault detection failed\n");
  11326. break;
  11327. }
  11328. }
  11329. if (CHIP_IS_E3(bp)) {
  11330. struct bnx2x_phy *phy = &params->phy[INT_PHY];
  11331. bnx2x_set_aer_mmd(params, phy);
  11332. bnx2x_check_over_curr(params, vars);
  11333. bnx2x_warpcore_config_runtime(phy, params, vars);
  11334. }
  11335. }
  11336. u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
  11337. {
  11338. u8 phy_index;
  11339. struct bnx2x_phy phy;
  11340. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11341. phy_index++) {
  11342. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11343. 0, &phy) != 0) {
  11344. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11345. return 0;
  11346. }
  11347. if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
  11348. return 1;
  11349. }
  11350. return 0;
  11351. }
  11352. u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
  11353. u32 shmem_base,
  11354. u32 shmem2_base,
  11355. u8 port)
  11356. {
  11357. u8 phy_index, fan_failure_det_req = 0;
  11358. struct bnx2x_phy phy;
  11359. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11360. phy_index++) {
  11361. if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
  11362. port, &phy)
  11363. != 0) {
  11364. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11365. return 0;
  11366. }
  11367. fan_failure_det_req |= (phy.flags &
  11368. FLAGS_FAN_FAILURE_DET_REQ);
  11369. }
  11370. return fan_failure_det_req;
  11371. }
  11372. void bnx2x_hw_reset_phy(struct link_params *params)
  11373. {
  11374. u8 phy_index;
  11375. struct bnx2x *bp = params->bp;
  11376. bnx2x_update_mng(params, 0);
  11377. bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
  11378. (NIG_MASK_XGXS0_LINK_STATUS |
  11379. NIG_MASK_XGXS0_LINK10G |
  11380. NIG_MASK_SERDES0_LINK_STATUS |
  11381. NIG_MASK_MI_INT));
  11382. for (phy_index = INT_PHY; phy_index < MAX_PHYS;
  11383. phy_index++) {
  11384. if (params->phy[phy_index].hw_reset) {
  11385. params->phy[phy_index].hw_reset(
  11386. &params->phy[phy_index],
  11387. params);
  11388. params->phy[phy_index] = phy_null;
  11389. }
  11390. }
  11391. }
  11392. void bnx2x_init_mod_abs_int(struct bnx2x *bp, struct link_vars *vars,
  11393. u32 chip_id, u32 shmem_base, u32 shmem2_base,
  11394. u8 port)
  11395. {
  11396. u8 gpio_num = 0xff, gpio_port = 0xff, phy_index;
  11397. u32 val;
  11398. u32 offset, aeu_mask, swap_val, swap_override, sync_offset;
  11399. if (CHIP_IS_E3(bp)) {
  11400. if (bnx2x_get_mod_abs_int_cfg(bp, chip_id,
  11401. shmem_base,
  11402. port,
  11403. &gpio_num,
  11404. &gpio_port) != 0)
  11405. return;
  11406. } else {
  11407. struct bnx2x_phy phy;
  11408. for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
  11409. phy_index++) {
  11410. if (bnx2x_populate_phy(bp, phy_index, shmem_base,
  11411. shmem2_base, port, &phy)
  11412. != 0) {
  11413. DP(NETIF_MSG_LINK, "populate phy failed\n");
  11414. return;
  11415. }
  11416. if (phy.type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
  11417. gpio_num = MISC_REGISTERS_GPIO_3;
  11418. gpio_port = port;
  11419. break;
  11420. }
  11421. }
  11422. }
  11423. if (gpio_num == 0xff)
  11424. return;
  11425. /* Set GPIO3 to trigger SFP+ module insertion/removal */
  11426. bnx2x_set_gpio(bp, gpio_num, MISC_REGISTERS_GPIO_INPUT_HI_Z, gpio_port);
  11427. swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
  11428. swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
  11429. gpio_port ^= (swap_val && swap_override);
  11430. vars->aeu_int_mask = AEU_INPUTS_ATTN_BITS_GPIO0_FUNCTION_0 <<
  11431. (gpio_num + (gpio_port << 2));
  11432. sync_offset = shmem_base +
  11433. offsetof(struct shmem_region,
  11434. dev_info.port_hw_config[port].aeu_int_mask);
  11435. REG_WR(bp, sync_offset, vars->aeu_int_mask);
  11436. DP(NETIF_MSG_LINK, "Setting MOD_ABS (GPIO%d_P%d) AEU to 0x%x\n",
  11437. gpio_num, gpio_port, vars->aeu_int_mask);
  11438. if (port == 0)
  11439. offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
  11440. else
  11441. offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
  11442. /* Open appropriate AEU for interrupts */
  11443. aeu_mask = REG_RD(bp, offset);
  11444. aeu_mask |= vars->aeu_int_mask;
  11445. REG_WR(bp, offset, aeu_mask);
  11446. /* Enable the GPIO to trigger interrupt */
  11447. val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
  11448. val |= 1 << (gpio_num + (gpio_port << 2));
  11449. REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
  11450. }